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WO2019080364A1 - Faucet - Google Patents

Faucet

Info

Publication number
WO2019080364A1
WO2019080364A1 PCT/CN2018/000371 CN2018000371W WO2019080364A1 WO 2019080364 A1 WO2019080364 A1 WO 2019080364A1 CN 2018000371 W CN2018000371 W CN 2018000371W WO 2019080364 A1 WO2019080364 A1 WO 2019080364A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
piece
outer casing
static
valve stem
Prior art date
Application number
PCT/CN2018/000371
Other languages
French (fr)
Chinese (zh)
Inventor
张南新
Original Assignee
新化县新园电子陶瓷有限公司
张南新
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新化县新园电子陶瓷有限公司, 张南新 filed Critical 新化县新园电子陶瓷有限公司
Publication of WO2019080364A1 publication Critical patent/WO2019080364A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/12Covers for housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details

Definitions

  • the invention relates to the technical field of water flow control switch structures, in particular to a water tap.
  • the faucet is a commonly used household water flow control switch, and the water flow control part often adopts a spool mechanism.
  • the existing valve body mechanism has a complicated structure, including a valve sleeve, a valve stem, a moving piece, a static piece, a sealing ring and other auxiliary structures, and needs to be waterproof and leakproof inside the valve core mechanism and between the valve body mechanism and the valve body. Measures, and double-layer waterproof and leak-proof measures will contact the water flow erosion in the valve body cavity. Once there is leakage in one part, it will easily lead to leakage of the entire valve body structure.
  • valve stem is one of the frequently rotating parts in the sealing water valve, and it is difficult to completely seal between the valve stem and the surrounding structure, generally sealed by a sealing ring, but once the water enters and contacts the sealing ring, the valve When the rod is frequently rotated, the seal ring is easily worn out, causing water leakage.
  • the invention provides a faucet to solve the technical problem that the existing faucet has a complicated structure, short service life, short life span and easy water leakage.
  • the invention provides a faucet comprising an outer casing, the outer casing is provided with an inlet connection nozzle, a water outlet and a fitting opening, and the assembly opening is connected to a circulation passage between the inlet connection nozzle and the water outlet, and the assembly port is provided with a control mechanism for regulating the flow of water flowing from the inlet connection nozzle to the water outlet, the control mechanism comprising a flow passage disposed at a bottom end of the inner cavity of the assembly opening and sealing between the inlet connection port and the water outlet for
  • the static sheet and the surface-fitted sealing gland forming the fixed circulation passage are formed on the static sheet to form an active circulation passage and are rotatably engaged with the fixed circulation passage of the static piece to form a flow passage of different radial sizes to control the flow and flow of the flow.
  • a sealing gland is disposed on the movable piece for closing the assembly opening and fixing the fastener for positioning the movable piece and the static piece in the axial direction, and the enclosed cavity in the fastener and the moving piece, and connecting the moving piece for controlling the moving piece
  • a valve stem for adjusting and restricting the radial movement of the rotor is rotated, and a drive mechanism for driving the rotation of the valve stem is disposed on the overhanging end of the valve stem.
  • the static sheet is capped on the circulation passage of the water outlet, or the static sheet is sealed on the circulation passage of the inlet connection nozzle.
  • the inner wall surface of the outer casing is provided with at least one circular cantilevered step which is cantilevered radially inward; the static piece is pressed on the surface of the ring of the cantilevered step, and is disposed between the static piece and the cantilevered step.
  • the sealing groove and the sealing ring are pressed and sealed between the static piece and the outer casing; the outer side wall of the static piece is further provided with a circumferential positioning member for circumferentially fixing the static piece in the inner cavity of the outer casing.
  • the inner wall surface of the outer casing is provided with a ring of cantilevered steps that are radially inwardly suspended; the static piece is pressed by a sealing ring for sealing between the static piece and the outer casing and buffering the upper pressing force.
  • the sealing ring is clamped between the static piece and the cantilevered step and abuts against the side wall surface of the inner body cavity; the outer side wall of the static piece is further provided with a circumferential surface for the static piece in the inner cavity of the outer casing Fixed positioning circumferential positioning member.
  • the sealing ring includes a first end surface for abutting against the end surface of the stationary piece and a second end surface for abutting against the surface of the ring surface of the cantilever step, the first end surface and the second end surface forming a pair of opposite ends a clamping surface;
  • the sealing ring further comprises an outer side surface for contacting the side wall surface of the outer casing of the outer casing and for contacting the inlet fluid to withstand the water flow pressure and compressing the sealing ring radially to the inner cavity side of the outer casing by the water flow pressure
  • the inner annular surface on the wall surface, the outer side surface and the inner annular surface constitute a set of unidirectional force receiving surfaces from the inside to the outside.
  • At least two layers are arranged between the valve stem and the inner wall of the fastener in a circumferential direction and are used for axial movement limitation and radial movement limitation of the valve stem to ensure stability of the circumferential rotation of the valve stem. Position the ring.
  • the fastener includes a sealing cover for covering the assembly opening, and the lower portion of the sealing cover is provided for sealing contact with the movable piece to close the valve stem in a cavity formed by the fastening of the fastener and the movable piece and
  • the sealing portion of the sealing opening is fastened, and the upper portion of the sealing cover is provided with a biasing portion for applying force when the sealing portion is connected with the mounting opening of the outer casing, and the middle portion of the fastener is provided with a through hole for sealing and assembling the valve stem in the axial direction.
  • a fastening connection is provided between the fastener and the outer casing, and a sealing mechanism is provided between the fastener and the inner cavity of the outer casing.
  • the static piece is provided with at least one fixed fluid passage extending in the axial direction, and the fixed fluid passage is disposed toward the outer surface of the outer casing as a small outer small bell mouth, and the fixed fluid passage is disposed toward the movable piece in a direction of the movable piece.
  • the static piece having an adjusting surface for sealingly engaging the moving piece and being rotationally fitted by the surface contact to close the fluid passage or forming a flow passage of different radial dimensions and for the sealing ring
  • the ring surface is pressed against the sealing surface of the sealing fit; and/or the rotor comprises a sealing section for pressing the fastener into contact with the fastener to close the cavity of the valve stem and connected to the valve stem for rotation with the valve stem and
  • the end face shape of the adjustment section is matched with the shape of the matching port on the static piece, and the corner portion of the adjustment section is matched and/or is formed by pressing the sealing contact with the static piece and rotatingly engaging to form an adjustment section of the fluid passage of different radial sizes.
  • the corner portion between the adjusting section and the sealing section is provided with a diagonal strut structure for increasing the strength of the wall body, and the outer side wall surface of the moving piece is provided for engaging with the inner wall of the outer casing body to limit Circumferential stop member movable piece rotational range; employed between the movable plate and screwing the valve stem, plug, snap, socket, insert solid, at least one hot-melt welding, adhesively bonding.
  • At least one of the outer casing, the static piece, the moving piece, the fastener, the valve stem, and the driving mechanism is an integrally molded integrally formed piece, and the integral piece is a ceramic body, a glass body, a plastic body or a metal body.
  • the faucet of the invention improves the traditional valve core structure into a novel control mechanism, fixes the positioning static piece directly on the circulation passage in the inner cavity of the outer casing, limits the radial movement of the static piece, and uses the static piece to cover the circulation passage, and the static passage on the static piece
  • the fixed flow channel serves as a passage for the flow passage in the inner cavity of the outer casing; by attaching the gland on the static plate and attaching the gland fastener to the movable piece to form an axial limit on the movable piece and the static piece Acting, and axially and radially positioning the rotor through the valve stem, so that the rotor can only rotate circumferentially with the valve stem, forming a cooperative relationship between the active flow passage on the rotor and the fixed circulation passage on the stator.
  • the tightening and fitting of the fastener and the moving piece make the valve stem completely enclosed in the cavity enclosed by the fastener and the moving piece, and the valve stem does not make any contact with the water flow in the inner cavity of the outer casing, thereby effectively preventing Water flows from the valve stem to the fastener.
  • the whole structure has good sealing and leakproof performance. Since the dynamic sealing mating part does not involve easy-wearing parts, it can effectively improve the sealing and water leakage prevention performance of the entire faucet structure, thereby increasing the opening and closing times of the faucet and improving the service life of the faucet.
  • FIG. 1 is a schematic cross-sectional structural view of a water outlet type faucet according to a preferred embodiment of the present invention
  • Figure 2 is a schematic structural view showing a cross section of a water inlet regulating faucet according to a preferred embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of a fastener according to a preferred embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a flare end of a static lens according to a preferred embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a mating end of a static piece according to a preferred embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a rotor of a preferred embodiment of the present invention.
  • FIG. 1 is a cross-sectional structural view of a water-regulating faucet according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic structural view of a cross-section of a water-intake faucet according to a preferred embodiment of the present invention
  • FIG. 3 is a fastener of a preferred embodiment of the present invention
  • 4 is a schematic structural view of a flared end of a preferred embodiment of the present invention
  • FIG. 5 is a schematic structural view of a mating end of a preferred embodiment of the present invention
  • FIG. 6 is a schematic view of a movable embodiment of the preferred embodiment of the present invention. Schematic.
  • the faucet of the embodiment includes an outer casing 1.
  • the outer casing 1 is provided with a water inlet connection nozzle 101, a water outlet 102, and a fitting opening 103.
  • the assembly opening 103 communicates with the inlet connection nozzle 101 and the outlet.
  • the assembly port 103 is provided with a control mechanism 2 for regulating the flow of water flowing from the inlet connection nozzle 101 to the water outlet 102.
  • the control mechanism 2 is provided at the bottom end of the inner cavity of the assembly opening 103.
  • the static sheet 201 for forming a fixed circulation passage on the circulation passage between the inlet connection nozzle 101 and the water outlet 102, and the surface-fitting sealing gland is formed on the static sheet 201 to form an active circulation passage and
  • the fixed flow passage of the static piece 201 is rotatably coupled to form a flow piece 202 of different radial size flow passages for controlling the flow rate of the water flow, and the surface-fitting sealing gland is disposed on the movable piece 202 for closing the assembly opening 103 and fixedly positioning in the axial direction.
  • the fasteners 203 of the piece 202 and the static piece 201 and the enclosed cavity of the fastener 203 and the moving piece 202 and the connecting piece 202 are used to control the rotation of the moving piece 202 to adjust and limit the radial movement of the moving piece 202.
  • the outer end of the valve stem 204 is provided for driving Rotating the valve stem 204 rotation driving mechanism 3.
  • the faucet of the invention improves the traditional valve core structure into a novel control mechanism 2, and fixes the positioning static piece 201 directly on the circulation passage in the inner cavity of the outer casing 1, restricting the radial movement of the static piece 201, and sealing with the static piece 201
  • the fixed circulation passage on the static piece 201 serves as a passage for the circulation passage in the inner cavity of the outer casing 1.
  • the pressure cover piece 202 is attached to the static piece 201 and the gland is fastened to the movable piece 202.
  • the member 203 is configured to form an axial limiting action on the movable piece 202 and the static piece 201, and axially and radially position the moving piece 202 through the valve rod 204, so that the moving piece 202 can only be wound around the valve rod 204.
  • the whole structure is simple, the adjustment stability is good, and the tight pressing fit between the fastener 203 and the moving piece 202 and between the moving piece 202 and the static piece 201 is combined to form a double-layer dynamic sealing fit;
  • the mating fit improves the tightness of the tight-fitting seal.
  • the tightening fit of the fastener 203 and the movable piece 202 is such that the valve stem 204 is completely enclosed in the cavity enclosed by the fastener 203 and the movable piece 202, and the valve stem 204 does not overlap with the inner cavity of the outer casing 1.
  • the water flow makes any contact to effectively prevent water flow from leaking between the valve stem 204 and the fastener 203.
  • the whole structure has good sealing and leakproof performance.
  • the peripheral portion of the valve stem 204 that projects outwardly of the fastener 203 is provided with a drive mechanism 3 for applying torque.
  • the drive mechanism 3 employs a cylindrical handle, an L-shaped handle or a T-shaped handle.
  • the drive mechanism 3 employs an electric actuator for electric drive or a pneumatic actuator for pneumatic drive.
  • the projecting end of the valve stem 204 extending into the inner cavity of the outer casing 1 is provided as a rod end connection for connecting the rotor 202.
  • the rod end connecting portion adopts one of a cylindrical structure, a tapered structure, a frustum-shaped structure, a spherical structure, a hemispherical structure, an elliptical structure, and a semi-elliptical structure.
  • the maximum radial dimension of the rod end connection is greater than the radial dimension of the through bore 2034 to prevent the assembled valve stem 204 from escaping from within the fastener 203.
  • the corner portions of the rod end connecting portion are all disposed at an arc angle to prevent the stress concentration damage caused by the joint connection with the movable piece 202.
  • the valve rod 204 is provided with a connection structure for assembling the drive mechanism 3 toward the outer end of the outer casing 1.
  • connection structure is a card slot, a threaded hole, a buckle, a hot-melt welding hole, a plug hole, and a plug connection. At least one of the slots.
  • the axial length of the valve stem 204 is 10 mm to 100 mm: the radial diameter of the valve stem 204 is 3 mm to 20 mm.
  • the static sheet 201 is sealed on the flow passage of the water outlet 102.
  • One end of the water outlet 102 forms a fixed circulation passage, and is adjusted by the rotation of the movable piece 202 to form different water inlet amounts, thereby precisely controlling the water flow rate of the water outlet 102.
  • the movable piece 202 has a function of buffering water pressure, and can be applied to a large water flow environment for reducing water pressure.
  • the static sheet 201 is capped on the flow passage of the inlet connection nozzle 101, as shown in FIG.
  • the movable piece 202 has the function of pressurized drainage, and can be applied to an environment with a small water flow rate for pressurized output of the water flow.
  • the inner wall surface of the outer casing 1 is provided with at least one ring of cantilevered steps 104 which are cantilevered radially inward.
  • the static sheet 201 is pressed over the surface of the loop of the cantilevered step 104.
  • a seal groove 4 and a seal ring 5 for forming a compression seal between the static piece 201 and the outer casing 1 are provided between the static piece 201 and the cantilevered step 104.
  • a circumferential positioning member 2011 for the stationary positioning of the static sheet 201 in the inner cavity of the outer casing 1 is further provided on the outer side wall of the static piece 201.
  • the inner cavity of the outer casing 1 is directly used as the assembly cavity of the static piece 201, and the static piece 201 is directly assembled in the inner cavity of the outer casing 1.
  • the static piece 201 is directly pressed over the surface of the ring of the cantilevered step 104 of the outer casing 1 and passes through Sealing groove 4 and sealing ring 5 to form a water stop and seal between the static piece 201 and the outer casing 1, the water flow intruding between the static piece 201 and the cantilevered step 104 to form a sealing water film, and the sealing water film extends to the sealing groove 4
  • the mating portion with the seal ring 5 is stopped and the seal cross section is formed by the seal ring 5, so that the water flow cannot continue to leak inward, thereby ensuring the seal between the seal piece 201 and the outer casing 1.
  • the static sheet 201 may adopt a structure that is separate from the outer casing 1.
  • the static sheet 201 may also adopt a unitary structure integrally formed with the outer casing 1. In this case, the sealing structure between the static sheet 201 and the outer casing 1 can be eliminated.
  • a support ring is embedded in the surface and/or the wall of the sealing ring 5 to form a support along the direction of the force of the sealing ring 5, thereby ensuring the sealing effect and the deformation resistance of the sealing ring 5, and effectively preventing the sealing ring. 5 Seal failure, can extend the service life of the seal 5 and support ability.
  • the corner portions of the static sheet 201 are all set to chamfered or curved corners to reduce mutual collision damage when the static sheets 201 are assembled or used, and at the same time, can form a guide for the assembly of the static sheets 201, which is convenient and quiet.
  • the sheet 201 is assembled.
  • a sealing ring 5 and/or a water stop is also provided between the sealing ring 6 and the inner side wall surface of the outer casing 1. It is used for fixing the positioning static piece 201, restricting the radial movement of the static piece 201, and forcing the static piece 201 to be centered by the elastic action of the sealing ring 5, and restricting the circumferential rotation of the static piece 201 by the surface frictional force of the sealing ring 5.
  • the static piece 201 is positioned by a positioning member to be placed at a specific position of the inner cavity of the outer casing 1.
  • the static sheet 201 is one of a cylinder, a cone, a frustum body, a polygonal body, and a hemisphere.
  • the inner wall surface of the outer casing 1 is provided with a cantilevered step 104 which is radially inwardly suspended.
  • the static sheet 201 is pressed over the surface of the loop of the cantilevered step 104 by a sealing ring 6 for sealing between the static sheet 201 and the outer casing 1 and buffering the upper pressing force.
  • the sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104 and abuts against the side wall surface of the inner casing of the outer casing 1.
  • a circumferential positioning member 2011 for the stationary positioning of the static sheet 201 in the inner cavity of the outer casing 1 is further provided on the outer side wall of the static piece 201.
  • the inner cavity of the outer casing 1 is used as the assembly cavity of the static piece 201, and the static piece 201 is directly assembled in the inner cavity of the outer casing 1.
  • the static piece 201 is pressed over the annular surface of the cantilevered step 104 of the outer casing 1 by the sealing ring 6.
  • the sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104 to ensure the structural stability of the sealing ring 6; and the sealing ring 6
  • the inner ring faces are subjected to water flow pressure, and are not easily eroded by the water flow pressure; as the water flow pressure increases and acts on the inner ring surface of the seal ring 6, the seal ring 6 is attached to the outer casing.
  • the whole structure is simple, the sealing property is good, it is not easily eroded by the influent water flow, and the service life is long.
  • the seal ring 6 includes a first end face for abutting against the end face of the stationary piece 201 and a second end face for abutting against the ring surface of the cantilevered step 104.
  • the first end surface and the second end surface form a set of opposing clamping faces.
  • the sealing ring 6 further includes an outer side surface for contacting the inner wall surface of the outer casing 1 and for contacting the influent fluid to withstand the water flow pressure and compressing the sealing ring 6 radially into the outer casing 1 by the water flow pressure.
  • the outer side surface and the inner ring surface form a set of unidirectional force receiving surfaces from the inside to the outside.
  • the static piece 201 is pressed onto the overhanging step 104 of the outer casing 1 by the sealing ring 6 to form a seal between the static piece 201 and the outer casing 1.
  • the sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104.
  • the sealing ring 6 is fitted in three directions, only the inner ring surface is subjected to water flow and water pressure, and is not easily eroded by water flow;
  • the sealing ring 6 is attached to the inner wall surface of the outer casing 1 to be tighter, and the sealing effect is better, thereby improving the sealing performance between the static piece 201 and the outer casing 1 and ensuring the sealing performance.
  • the service life of the sealing ring 6. The whole structure is simple, the sealing property is good, it is not easily eroded by the influent water flow, and the service life is long.
  • the static sheet 201 may adopt a structure that is separate from the outer casing 1.
  • the outer side of the sealing ring 6 has a tapered side to ensure that the sealing ring 6 can be assembled in position to prevent assembly deflection and water leakage.
  • the inner annular surface of the sealing ring 6 has a tapered wall surface, so that the inner annular surface is subjected to a water flow force to force the outer side surface to be pressed against the inner wall side surface of the outer casing 1 to form a compression seal.
  • the first end surface extends radially to the periphery to form a radial top against the inner cavity side wall surface of the outer casing 1 and is spaced apart from the corresponding outer surface of the outer casing 1 to form an axial movement limit. The outer edge of the ring.
  • the contact surface between the first end surface and the static sheet 201 can be increased, the waterproof effect of the joint surface can be improved, and the downward pressure of the static sheet 201 can be uniformly transmitted downward, and the wall surface pressure is excessively large to crush the seal ring 6.
  • the sealing ring 6 has an annular outer edge, and a lower cavity is formed during assembly, which can form a cavity buffering force to prevent the upper structure during assembly from directly colliding with the inner wall of the outer casing 1; and at the same time, sufficient downward pressure can be formed Space, reduce the crushing force on the outer edge of the ring during assembly, and effectively avoid directly crushing the outer edge of the ring.
  • the inner ring surface of the sealing ring 6 is embedded with a support ring which is inherently used for supporting the sealing ring 6 to prevent the sealing ring 6 from being deformed from the inner cavity of the outer casing 1 after being deformed by pressure.
  • the support ring is radially embedded in the inner annular surface to form a radial and axial structural fault on the inner annular surface.
  • the structural fault can be used to buffer the bidirectional repeated impact caused by the water hammer effect, and can also be used for buffer sealing.
  • the sealing ring 6 and/or the support ring are made of a silicone ring or a rubber ring.
  • the cross-sectional shape of the support ring is one of an L shape, a T shape, and a U shape. Support rings of different structural forms can be selected as needed to meet the requirements of use.
  • the L-shaped support ring constitutes an axial restriction on the seal ring 6 and a one-way barrier limit on the inner ring surface.
  • the T-shaped support ring constitutes an axial restriction on the seal ring 6 and a two-way barrier limit on the inner ring surface.
  • the U-shaped support ring constitutes an axial restriction on the double portion of the seal ring 6 and an integral barrier limit on the inner ring surface.
  • the support ring includes an insert portion for fitting into the inner annular wall body and an attachment portion attached to the inner annular surface.
  • one end of the attaching portion facing the first end surface abuts against the end surface of the static piece 201.
  • a distance is left between the end of the attaching portion facing the first end surface and the static sheet 201.
  • the inner portion of the inner ring surface groove is embedded by the insert portion to form a restriction on the axial deformation of the seal ring 6 and an axial buffering action.
  • the inner annular surface is attached by the attaching portion to limit the radial deformation of the sealing ring 6 and to buffer the radial force.
  • a first end surface of the sealing ring 6 and/or a second end surface of the sealing ring 6 is provided with a sealing water stop ring for abutting the pressure by the compression deformation buffer during the top contact and sealing the water stop; and/or
  • the two end faces are provided with an embedded convex ring for being embedded in the cantilevered step 104 of the inner cavity of the outer casing 1 to form a sealing ring.
  • the cross-sectional shape of the embedded convex ring is at least one of a rectangle, a cone, a triangle, and a U. Different shape of the embedded convex ring can be selected according to the need, and the surface taper can facilitate the structure to be assembled.
  • the inner annulus of the sealing collar 6 is a vertical plane, a beveled surface or a concave curved surface. The vertical plane is adopted to form a vertical passage, which reduces the force of the passing water flow and the vertical plane, and reduces the influence of the water flow on the seal ring 6.
  • the inclined surface is inclined inward toward the water inlet direction, which can prevent the impact of the passing water flow on the inclined surface, and can form the water inlet flaring, which can increase the water inflow.
  • the inclined surface is inclined inward toward the water discharge direction, and the radially outward force is formed by the water flow impact force, so that the sealing ring 6 is tightly fitted to the inner side wall surface of the outer casing 1 to improve the sealing property; water flow and water pressure The larger the sealing ring 6 is, the closer it is, and the better the sealing.
  • the outer edge of the sealing ring 6 extends axially and is wrapped around the outer side wall of the static sheet 201 to form a sealing layer and a buffer layer sandwiched between the static sheet 201 and the inner side wall surface of the outer casing 1.
  • the support ring may be embedded on the surface of the inner annulus wall.
  • the support ring is wrapped in the wall of the sealing ring 6, and the sealing ring 6 forms a composite structure containing the support ring.
  • At least two layers are disposed between the valve stem 204 and the inner wall of the fastener 203 in a circumferential direction and are used for axial movement restriction and diameter of the valve stem 204.
  • the positioning collar 7 is adjusted to the movement to ensure that the valve stem 204 is rotated circumferentially to adjust stability.
  • the valve stem 204 is ensured by the positioning ring 7 that the rotating shaft does not shift, and the rotor 202 rotates with the valve stem 204 while ensuring that the rotating shaft of the rotor 202 is not displaced by the valve stem 204, thereby ensuring that the rotor 202 is
  • the rotation adjustment accuracy of the static piece 201 and the dynamic sealing stability of the position of the upper end surface and the lower end surface of the rotor piece 202 are ensured.
  • the positioning ring 7 is fastened in the first positioning groove formed by the outer surface of the valve stem 204 and/or the positioning ring 7 is fastened in the second positioning groove formed by the hole of the through hole 2034 of the fastener 203. .
  • the installation position and the number of the positioning ring 7 can be flexibly selected to ensure the relative stability between the valve stem 204 and the fastener 203, and the valve stem 204 only has a circumferential rotation motion to avoid the valve stem. 204 collides with the surrounding components.
  • the fastener 203 forms a triangular sealing fit with the valve stem 204 and the movable piece 202, thereby effectively providing the sealing property of the joint portion;
  • the rotational stability of the valve stem 204 effectively prevents the stem 204 from deflecting and deflecting.
  • the first positioning groove and/or the second positioning groove adopt at least one of a semicircular groove, a U-shaped groove, a V-shaped groove and a dovetail groove.
  • the first positioning slot and/or the second positioning slot adopt a narrow slot with an outer narrow inner width.
  • the fastener 203 includes a sealing cover 2031 for covering the fitting opening 103.
  • the lower portion of the sealing cover 2031 is provided with a sealing portion 2032 for sealingly contacting the movable piece 202 to close the valve rod 204 in a cavity formed by the fastener 203 and the movable piece 202 and fastened to the mounting opening 103.
  • the upper portion of the seal cover 2031 is provided with a biasing portion 2033 for biasing when the seal portion 2032 is connected to the fitting port 103 of the outer casing 1.
  • a through hole 2034 for sealing the valve stem 204 is axially opened in the middle of the fastener 203.
  • the valve rod 204 is assembled in the through hole 2034 of the fastener 203 and the fastening connection assembly of the sealing portion 2032 and the close contact sealing of the sealing cover 2031 with the end surface of the outer casing 1 are achieved by applying force to the urging portion 2033; The end surface of the sealing portion 2032 is pressed against the moving piece 202 to ensure the structural stability of the static piece 201 and the moving piece 202 in the inner cavity of the outer casing 1.
  • the valve rod 204 is connected to the inner cavity of the moving piece 202, and the valve stem 204 can be twisted.
  • the channel of the movable piece 202 and the static piece 201 is matched to realize water flow control, and the whole structure has few accessories and simple assembly.
  • the conventional valve core control mechanism is changed, and the movable piece 202 and the static piece 201 are directly abutted against the inner cavity of the outer casing 1 by the fastener 203, and the assembly opening of the outer casing 1 is sealed, and the inner casing of the outer casing 1 is directly disposed.
  • the movable piece 202 in the middle cooperates with the rotation of the static piece 201 to realize water flow in the inner cavity of the outer casing 1.
  • the entire fastener 203 structure adopts an injection-molded integral structure, and has a simple structure and good stability.
  • the outer wall surface of the urging portion 2033 is provided with at least one set of opposing force planes for urging; and/or the outer contour shape of the radial section of the urging portion 2033 is triangular, quadrangular, pentagon, One of the hexagons.
  • the outer shape structure of the urging portion 2033 can be selected as needed to facilitate the force assembly of the fastener 203, and is suitable for assembly of various parts.
  • the outer surface of the sealing portion 2032 is provided with a fastener, a fitting or an elastic pull member for fastening.
  • the sealing portion 2032 and the inner wall of the fitting opening of the outer casing 1 are heat-welded.
  • a water seal or an oil seal is provided between the sealing portion 2032 and the sealing cover 2031 for blocking the flow of water and preventing water flow between the fastener 203 and the outer casing 1.
  • the sealing portion of the sealing portion 2032, the water seal or the seal formed by the oil seal By providing a water seal or an oil seal between the sealing portion 2032 and the sealing cover 2031, or by using a structure between the sealing portion 2032 and the sealing cover 2031 to form a water seal or an oil seal, the sealing portion of the sealing portion 2032, the water seal or the seal formed by the oil seal.
  • the water sealing ring and the sealing seal between the sealing cover 2031 and the end surface of the outer casing 1 form a multi-layer seal, and the fastener 203 is statically fastened with the outer casing 1, so that the fastener 203 and the outer casing can be completely ensured.
  • the sealing of the joint of the body 1 has a sealing life of at least ten times higher than that of the existing spool valve.
  • the surface of the sealing portion 2032 is provided with an external thread, and the sealing portion 2032 is threadedly engaged with the outer casing 1 by an external thread, and the external thread is provided with a non-return groove for preventing the thread from being reversely released after the screwing.
  • the connection stability between the fastener 203 and the outer casing 1 is ensured, the structural stability of the multi-layer static seal is ensured, water leakage is avoided, fatigue damage of the sealing portion is avoided, and the service life of the sealing water valve is effectively extended.
  • the outer corners of the fasteners 203 are all set to arc angles to prevent collision damage or damage to the periphery.
  • the inner corners of the fasteners 203 are all set to chamfers or arc angles to prevent collision damage between each other during assembly; at the same time, forming a guiding structure during assembly, guiding the assembly into the assembly position, and improving assembly efficiency. Improve assembly accuracy.
  • the fastener 203 has an axial length of 5 mm to 20 mm.
  • the fastener 203 is fastened to the outer casing 1 , and the sealing mechanism 8 is disposed between the fastener 203 and the inner cavity of the outer casing 1 .
  • the sealing mechanism 8 employs at least one of a sealing ring, a sealing nip thread, a water stop strip, a water stop, a water seal, and an oil seal.
  • the sealing structure between the fastener 203 and the outer casing 1 can be selected as needed, and the complete sealing of the joint portion can be distinguished while ensuring the stability of the connection to each other, thereby effectively preventing the water flow in the inner cavity of the outer casing 1 from leaking outward.
  • the static sheet 201 is provided with at least one fixed fluid passage extending in the axial direction.
  • the fixed fluid passage is disposed in a direction toward the outside of the outer casing 1 as a small flared opening 2012.
  • the direction in which the fixed fluid passage faces the rotor 202 is set to a matching port 2013 that matches the size of the rotating sealing surface of the rotor 202.
  • the static sheet 201 has an adjustment surface for sealingly engaging the movable piece 202 and being rotationally fitted by surface contact to close the fluid passage or to form a flow passage of different radial dimensions and for sealing and sealing the surface with the sealing ring 6 Sealing surface.
  • the movable piece 202 rotates and the movable circulation passage on the movable piece 202 communicates with the fixed fluid passage of the static piece 201, thereby opening the circulation passage, the water flow can flow freely; when the movable piece 202 rotates, the rotary sealing surface blocks the fixed fluid passage When the circulation channel is closed.
  • the fixed fluid passage is disposed in a direction toward the outside of the outer casing 1 as a small flared opening 2012. The flow of water through the bell mouth 2012 achieves fluid concentration.
  • the fluid output can be increased: the bell mouth 2012 is not easy to retain and accumulate solid particles in the water body, and the flowing water flow can continuously flush the fixed fluid passage by opening the fluid passage, Prevents blockage of the fixed fluid passage and ensures the smoothness of the fixed fluid passage.
  • the direction in which the fixed fluid passage faces the rotor 202 is set to a mating port 2013 that matches the size of the rotating sealing surface on the rotor 202.
  • the rotation adjustment of the fluid passage between the static piece 201 and the moving piece 202 is facilitated, and the water flow opening and closing control and the water flow flow control are facilitated.
  • the adjusting surface is provided with a water stop ring groove or a water stop ring for adjusting the radial contact and the water stop when the surface is in contact with the moving piece 202; and/or a plurality of adjusting surfaces are provided for receiving
  • the fluid and the fluid contained therein form a liquid storage hole of the fluid sealing film on the rotating mating surface of the static piece 201 and the movable piece 202, and the liquid storage hole is disposed on the rotating track of the rotary sealing member of the moving piece 202.
  • a sealing water film can be formed between the adjusting surface and the moving piece 202 to achieve the sealing of the joint surface and reduce the friction of the joint surface, so that the rotation of the moving piece 202 is more smoothly adjusted, and the water ring groove or the water stop ring can be effectively used.
  • the barrier sealing water film extends outward. Thereby avoiding fluid leakage.
  • the liquid storage hole is used for storing the fluid, and the fluid in the liquid storage hole moves in the circumferential direction as the moving piece 202 rotates, thereby reducing the friction between the adjusting surface and the moving piece 202, so that the moving piece 202 rotates more smoothly. And forming a sealing water film to block the passage of the fluid, thereby improving the sealing of the joint surface.
  • the movable piece 202 is provided with a plurality of movable circulation channels and a plurality of sealing blocks for closing the fixed circulation passages on the static piece 201, and the movable circulation channels are arranged at intervals from the sealing block.
  • a fixed flow passage of the static piece 201 is simultaneously matched with the movable communication passage of the movable piece 202.
  • a sealing block of the movable piece 202 is simultaneously matched with a plurality of fixed circulation passages of the static piece 201.
  • the plurality of movable communication passages of the movable piece 202 communicate with the same water flow output port of the outer casing 1, or the plurality of movable communication passages of the movable piece 202 are respectively connected to different water flow output outlets of the outer casing 1.
  • the plurality of fixed flow passages of the static piece 201 communicate with the same water flow input port of the outer casing 1, or the plurality of fixed flow passages of the static piece 201 are respectively connected to different water flow input ports of the outer casing 1.
  • the moving piece 202 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm.
  • the static piece 201 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm.
  • the movable piece 202 includes a press-fit contact with the fastener 203 to close the cavity where the valve stem 204 is located and is connected with the valve stem 204 to follow
  • the sealing section 2021 of the valve stem 204 rotates and an adjustment section 2022 for pressing the sealing contact with the static sheet 201 and by rotationally engaging to form fluid passages of different radial dimensions.
  • the shape of the end face of the adjustment section 2022 matches the shape of the mating port 2013 on the static sheet 201.
  • a corner portion between the corner portion of the adjusting portion 2022 and/or the adjusting portion 2022 and the sealing portion 2021 is provided with a diagonal strut structure 2023 for increasing the strength of the wall body, and the outer wall surface of the moving piece 202 is provided for the inner cavity of the outer casing 1
  • the wall body cooperates to limit the limiting member 2024 of the circumferential rotation range of the movable piece 202.
  • At least one of a threaded connection, a plug, a snap, a socket, an insert, a hot melt welding, and a bonding is used between the movable piece 202 and the valve stem 204.
  • connection modes can be selected according to the needs and the size of the sealing water valve structure to ensure the stability of the connection between the moving piece 202 and the valve stem 204, and ensure that the valve flow 204 can accurately adjust and control the flow of water.
  • the connection position between the valve stem 204 and the rotor piece 202 is further provided with a locking structure for preventing loosening of each other.
  • the threaded connection between the valve stem 204 and the rotor 202 is prevented from coming loose by opening the anti-reverse groove.
  • the valve stem 204 and the movable piece 202 are connected by a plug connection, and the plug is prevented from being loosened by a buckle or a check protrusion.
  • valve rod 204 and the movable piece 202 are connected by a snap connection, and the snap-in is prevented from being loosened by the check buckle.
  • the valve rod 204 and the movable piece 202 are connected by a socket, and the socket is prevented from being loosened by a buckle or a check protrusion.
  • the valve rod 204 and the rotor piece 202 are connected by inserting and fixing, and the inserting body is prevented from being loosened by an interference fit.
  • the valve stem 204 and the rotor 202 are thermally welded or bonded, and are hot-melt welded or bonded through the non-reversing projection, the anti-reverse buckle or the anti-reverse thread.
  • At least one of the outer casing 1, the static piece 201, the movable piece 202, the fastener 203, the valve stem 204, and the drive mechanism 3 is integrally molded by integral injection molding, and the integral piece is a ceramic body, a glass body, Plastic body or metal body.
  • the vitreous body is injection molded with high-strength tempered heat-resistant glass.
  • the internal structure of the outer casing can be seen, the appearance of the shell is bleached, and it can be corrosion-proof; there is no problem of aging of the plastic shell structure and fluid contamination caused by the incoming fluid, environmental protection and health. ,Safety.
  • the plastic body can be made of high-strength plastic, and the structure is light and cheap.
  • a faucet is provided by sequentially assembling a sealing ring 6, a static piece 201, a moving piece 202, and a fastener 203 sheathed with a valve stem in the fitting opening 103 of the inner cavity of the outer casing 1.
  • the static piece 201, the moving piece 202 and the valve stem 204 are assembled in position.
  • the static piece 201 is fixedly positioned in the inner cavity of the outer casing 1 by the circumferential positioning member 2011, and the circumferential movement and radial movement of the static piece 201 are restricted by the circumferential positioning member 2011.
  • the movable piece 202 is assembled in the limiting groove of the inner cavity of the outer casing 1 through the limiting member 2024.
  • the valve stem 204 is inserted or threaded into the connecting groove of the rotor 202.
  • the assembly is pressed by the fastener 203 to limit the axial position of the rotor 202 and the stator 201, and the radial movement of the rotor 202 is restricted by the valve stem 204.
  • the static piece 201 is supported by the sealing ring 6, and the elastic support of the sealing ring 6 is slightly changed according to the direction in which the lower surface of the moving piece 202 is disposed according to the pressing portion 203 of the upper fastening and the pressing surface of the fastener 203.
  • the small change of the automatic adapting piece 202 is applied and the state of the upper surface of the static piece 201 is coordinated and corrected in time, so that the fastener 203 and the moving piece 202 are always kept in close contact with each other and the static piece 201 and the moving piece 202 are maintained.
  • the surface fit and tight fit are always maintained, thereby ensuring the dynamic sealing effect of the upper and lower surfaces of the movable piece 202.
  • Attached to the lower surface of the fastener 203 and the static sheet 201 is always closely attached to the surface of the movable piece 202, so that the static piece 201 and the moving piece 202 and between the moving piece 202 and the fastener 203 are not manufactured.
  • Accuracy, assembly accuracy, wear and other problems lead to the dynamic sealing of the upper and lower surfaces of the rotor 202 to separate the sealing surface to ensure the stability and sealing of the dynamic seal to extend the service life of the dynamic seal.
  • the drive mechanism 3 is then assembled to form a complete faucet.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

A faucet, comprising a shell (1). An assembling opening (103) is connected to a flowing channel between a water inlet connecting pipe opening (101) and a water outlet (102), and the assembling opening (103) is provided with a control mechanism (2) used for adjusting and controlling the flow of water flowing from the water inlet connecting pipe opening (101) to the water outlet (102). The control mechanism (2) comprises a fixed sheet (201), a moving sheet (202), a fastening piece (203) and a valve rod (204), wherein the fixed sheet (201) is disposed at the bottom end of an inner cavity of the assembling opening (103) and covers the flowing channel between the water inlet connecting pipe opening (101) and the water outlet (102) to form a fixed flowing channel; the moving sheet (202) presses and covers the fixed sheet (201) in a face-to-face attachment sealing manner, is used for forming a moving flow channel and rotationally fits to the fixed flowing channel of the fixed sheet (201) so as to form flowing channels which are different radial sizes for controlling the amount of water flow; the fastening piece (203) presses and covers the moving sheet (202) in a face-to-face attachment sealing manner and is used for sealing the assembling opening (203) and fixing and positioning the moving sheet (202) and the fixed sheet (201) in the axial direction; and the valve rod (204) is located in a cavity defined by the fastening piece (203) and the moving sheet (202), is connected to the moving sheet (202), and is used for controlling rotation adjustment of the moving sheet (202) and limiting radial movement of the moving sheet (202), an outwardly-extending end of the valve rod (204) being provided thereon with a driving mechanism (3) used for driving the valve rod (204) to rotate.

Description

水龙头Faucet 技术领域Technical field
本发明涉及水流控制开关结构技术领域,特别地,涉及一种水龙头。The invention relates to the technical field of water flow control switch structures, in particular to a water tap.
背景技术Background technique
水龙头都是比较常用的家用水流控制开关,其水流控制部分往往采用阀芯机构。现有阀芯机构结构复杂,包括有阀套、阀杆、动片、静片、密封圈以及其它附属结构,需要进行阀芯机构内部以及阀芯机构与阀体之间双层的防水防漏措施,并且双层的防水防漏措施均会接触到阀体内腔的水流侵蚀,一旦有一个部分存在渗漏,很容易导致整个阀体结构的渗漏。The faucet is a commonly used household water flow control switch, and the water flow control part often adopts a spool mechanism. The existing valve body mechanism has a complicated structure, including a valve sleeve, a valve stem, a moving piece, a static piece, a sealing ring and other auxiliary structures, and needs to be waterproof and leakproof inside the valve core mechanism and between the valve body mechanism and the valve body. Measures, and double-layer waterproof and leak-proof measures will contact the water flow erosion in the valve body cavity. Once there is leakage in one part, it will easily lead to leakage of the entire valve body structure.
另一方面,阀杆是密封水阀中频繁转动的部件之一,而阀杆与周边结构之间很难进行完全密封,一般采用密封圈密封,但是一旦水流进入并与密封圈接触,在阀杆频繁转动下极易磨损密封圈造成向外漏水的现象。On the other hand, the valve stem is one of the frequently rotating parts in the sealing water valve, and it is difficult to completely seal between the valve stem and the surrounding structure, generally sealed by a sealing ring, but once the water enters and contacts the sealing ring, the valve When the rod is frequently rotated, the seal ring is easily worn out, causing water leakage.
发明内容Summary of the invention
本发明提供了一种水龙头,以解决现有水龙头结构复杂,使用年限短寿命短,容易导致漏水的技术问题。The invention provides a faucet to solve the technical problem that the existing faucet has a complicated structure, short service life, short life span and easy water leakage.
本发明提供一种水龙头,包括外壳体,外壳体设有进水连接管口、出水口以及装配口,装配口连通至进水连接管口与出水口之间的流通通道上,装配口上装有用于调节控制从进水连接管口流通至出水口的水流量的控制机构,控制机构包括设于装配口内腔底端并封盖在进水连接管口与出水口之间的流通通道上用于形成固定流通通道的静片、面贴合密封压盖在静片上用于形成活动流通通道并与静片的固定流通通道转动配合以形成不同径向尺寸的流通通道控制水流流量的动片、面贴合密封压盖在动片上用于封闭装配口并沿轴向固定定位动片和静片的紧固件以及处于紧固件与动片的围合腔体内并连接动片用于控制动片转动调节和限制动片径向移动的阀杆,阀杆的外伸端上设有用于驱动阀杆转动的驱转机构。The invention provides a faucet comprising an outer casing, the outer casing is provided with an inlet connection nozzle, a water outlet and a fitting opening, and the assembly opening is connected to a circulation passage between the inlet connection nozzle and the water outlet, and the assembly port is provided with a control mechanism for regulating the flow of water flowing from the inlet connection nozzle to the water outlet, the control mechanism comprising a flow passage disposed at a bottom end of the inner cavity of the assembly opening and sealing between the inlet connection port and the water outlet for The static sheet and the surface-fitted sealing gland forming the fixed circulation passage are formed on the static sheet to form an active circulation passage and are rotatably engaged with the fixed circulation passage of the static piece to form a flow passage of different radial sizes to control the flow and flow of the flow. a sealing gland is disposed on the movable piece for closing the assembly opening and fixing the fastener for positioning the movable piece and the static piece in the axial direction, and the enclosed cavity in the fastener and the moving piece, and connecting the moving piece for controlling the moving piece A valve stem for adjusting and restricting the radial movement of the rotor is rotated, and a drive mechanism for driving the rotation of the valve stem is disposed on the overhanging end of the valve stem.
进一步地,静片封盖在出水口的流通通道上,或者静片封盖在进水连接管口的流通通道上。Further, the static sheet is capped on the circulation passage of the water outlet, or the static sheet is sealed on the circulation passage of the inlet connection nozzle.
进一步地,外壳体的内壁面上设有至少一圈沿径向向内悬挑的悬挑台阶;静片压盖于悬挑台阶的环圈表面上,静片与悬挑台阶之间设有用于形成静片与外壳体之间压紧密封的密封槽和密封圈;静片外侧壁上还设有用于静片在外壳体内腔中周向固定定位的周向定位件。Further, the inner wall surface of the outer casing is provided with at least one circular cantilevered step which is cantilevered radially inward; the static piece is pressed on the surface of the ring of the cantilevered step, and is disposed between the static piece and the cantilevered step. The sealing groove and the sealing ring are pressed and sealed between the static piece and the outer casing; the outer side wall of the static piece is further provided with a circumferential positioning member for circumferentially fixing the static piece in the inner cavity of the outer casing.
进一步地,外壳体的内壁面上设有一圈沿径向向内悬挑的悬挑台阶;静片通过用于静片与外壳体之间密封和缓冲上部压紧作用力的密封环圈压盖于悬挑台阶的环圈表面上,密封环圈夹持于静片与悬挑台阶之间并贴靠于外壳体内腔侧壁面上;静片外侧壁上还设有用于静片 在外壳体内腔中周向固定定位的周向定位件。Further, the inner wall surface of the outer casing is provided with a ring of cantilevered steps that are radially inwardly suspended; the static piece is pressed by a sealing ring for sealing between the static piece and the outer casing and buffering the upper pressing force. On the surface of the ring of the cantilevered step, the sealing ring is clamped between the static piece and the cantilevered step and abuts against the side wall surface of the inner body cavity; the outer side wall of the static piece is further provided with a circumferential surface for the static piece in the inner cavity of the outer casing Fixed positioning circumferential positioning member.
进一步地,密封环圈包括用于与静片端面顶抵接触的第一端面以及用于与悬挑台阶的环圈表面顶抵接触的第二端面,第一端面与第二端面构成一组相对夹持面;密封环圈还包括用于与外壳体内腔侧壁面接触的外侧面以及用于与进水流体接触承受水流压力并通过水流压力将密封环圈沿径向压紧于外壳体内腔侧壁面上的内环面,外侧面与内环面构成一组由内向外的单向受力面。Further, the sealing ring includes a first end surface for abutting against the end surface of the stationary piece and a second end surface for abutting against the surface of the ring surface of the cantilever step, the first end surface and the second end surface forming a pair of opposite ends a clamping surface; the sealing ring further comprises an outer side surface for contacting the side wall surface of the outer casing of the outer casing and for contacting the inlet fluid to withstand the water flow pressure and compressing the sealing ring radially to the inner cavity side of the outer casing by the water flow pressure The inner annular surface on the wall surface, the outer side surface and the inner annular surface constitute a set of unidirectional force receiving surfaces from the inside to the outside.
进一步地,阀杆与紧固件内壁之间设有至少二层沿周向布置成环状并用于对阀杆进行轴向运动限制和径向运动限制以保证阀杆周向转动调节稳定性的定位环圈。Further, at least two layers are arranged between the valve stem and the inner wall of the fastener in a circumferential direction and are used for axial movement limitation and radial movement limitation of the valve stem to ensure stability of the circumferential rotation of the valve stem. Position the ring.
进一步地,紧固件包括用于封盖装配口的密封盖,密封盖下部设有用于与动片紧贴密封接触以将阀杆封闭在紧固件与动片围合形成的腔体内并与装配口紧固连接的密封部,密封盖的上部设有用于密封部与外壳体的装配口连接时施力的施力部,紧固件中部沿轴向开设有用于密封装配阀杆的贯通孔。Further, the fastener includes a sealing cover for covering the assembly opening, and the lower portion of the sealing cover is provided for sealing contact with the movable piece to close the valve stem in a cavity formed by the fastening of the fastener and the movable piece and The sealing portion of the sealing opening is fastened, and the upper portion of the sealing cover is provided with a biasing portion for applying force when the sealing portion is connected with the mounting opening of the outer casing, and the middle portion of the fastener is provided with a through hole for sealing and assembling the valve stem in the axial direction. .
进一步地,紧固件与外壳体之间为紧固连接,紧固件与外壳体内腔之间设有密封机构。Further, a fastening connection is provided between the fastener and the outer casing, and a sealing mechanism is provided between the fastener and the inner cavity of the outer casing.
进一步地,静片上开设有至少一个沿轴向贯通的固定流体通道,固定流体通道朝向外壳体外的方向设置为外大内小的喇叭口,固定流体通道朝向动片的方向设置为与动片的旋转密封面大小相匹配的匹配口,静片具有用于与动片紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流通通道的调节面以及用于与密封环圈表面压紧密封配合的密封面;和/或动片包括用于与紧固件压紧贴合接触以封闭阀杆所处腔体并与阀杆连接以随阀杆转动的密封段以及用于与静片压紧贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段,调节段的端面形状与静片上的匹配口形状相匹配,调节段的转角部位和/或调节段与密封段之间的转角部位设有用于增加壁体强度的斜撑构造,动片的外侧壁面上设有用于与外壳体内腔壁体配合以限制动片周向转动范围的限位件;动片与阀杆之间采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。Further, the static piece is provided with at least one fixed fluid passage extending in the axial direction, and the fixed fluid passage is disposed toward the outer surface of the outer casing as a small outer small bell mouth, and the fixed fluid passage is disposed toward the movable piece in a direction of the movable piece. a matching sealing port of a matching size of the rotating sealing surface, the static piece having an adjusting surface for sealingly engaging the moving piece and being rotationally fitted by the surface contact to close the fluid passage or forming a flow passage of different radial dimensions and for the sealing ring The ring surface is pressed against the sealing surface of the sealing fit; and/or the rotor comprises a sealing section for pressing the fastener into contact with the fastener to close the cavity of the valve stem and connected to the valve stem for rotation with the valve stem and The end face shape of the adjustment section is matched with the shape of the matching port on the static piece, and the corner portion of the adjustment section is matched and/or is formed by pressing the sealing contact with the static piece and rotatingly engaging to form an adjustment section of the fluid passage of different radial sizes. The corner portion between the adjusting section and the sealing section is provided with a diagonal strut structure for increasing the strength of the wall body, and the outer side wall surface of the moving piece is provided for engaging with the inner wall of the outer casing body to limit Circumferential stop member movable piece rotational range; employed between the movable plate and screwing the valve stem, plug, snap, socket, insert solid, at least one hot-melt welding, adhesively bonding.
进一步地,外壳体、静片、动片、紧固件、阀杆、驱转机构中的至少一个采用一体注塑成型的整体件,整体件为陶瓷体、玻璃体、塑料体或金属体。Further, at least one of the outer casing, the static piece, the moving piece, the fastener, the valve stem, and the driving mechanism is an integrally molded integrally formed piece, and the integral piece is a ceramic body, a glass body, a plastic body or a metal body.
本发明具有以下有益效果:The invention has the following beneficial effects:
本发明水龙头,将传统的阀芯结构改进成新型的控制机构,直接在外壳体内腔中的流通通道上固定定位静片,限制静片径向运动,利用静片封盖流通通道,静片上的固定流通道道作为外壳体内腔中的流通通道必经通道;通过在静片上贴合压盖动片以及在动片上贴合压盖紧固件,以形成对动片和静片的轴向限位作用,并通过阀杆对动片进行轴向和径向的定位,使得动片仅能够随阀杆绕周向转动,形成动片上的活动流通通道与静片上的固定流通通道之间的配合关系,精确控制外壳体内腔中流通通道的径向尺寸大小,从而精确控制从进水流通管口进水到出水口出水的水流量。整个结构简单,调节稳定性好,通过紧固件与动片之间以及动片与静片之间的紧压贴合配合,以形成双层动态密封配合;利用镜面级的贴合面配合能够提高紧压贴合密封的密封性。利用紧固件与动片的紧压贴合配合,使得阀杆完全封闭于紧固件与动片围合的腔体内,阀杆不会与外壳体内腔中的水流进行任何接触,从而有效防止水 流从阀杆与紧固件之间渗漏。整个结构密封和防漏性能好,由于动态密封配合部位不涉及易磨损件,能够有效提高整个水龙头结构的密封和防漏水性能,从而提高水龙头的开闭次数,提高水龙头的使用寿命。The faucet of the invention improves the traditional valve core structure into a novel control mechanism, fixes the positioning static piece directly on the circulation passage in the inner cavity of the outer casing, limits the radial movement of the static piece, and uses the static piece to cover the circulation passage, and the static passage on the static piece The fixed flow channel serves as a passage for the flow passage in the inner cavity of the outer casing; by attaching the gland on the static plate and attaching the gland fastener to the movable piece to form an axial limit on the movable piece and the static piece Acting, and axially and radially positioning the rotor through the valve stem, so that the rotor can only rotate circumferentially with the valve stem, forming a cooperative relationship between the active flow passage on the rotor and the fixed circulation passage on the stator. Precisely control the radial size of the flow passage in the inner cavity of the outer casing, so as to precisely control the flow of water from the inlet water inlet nozzle to the outlet outlet water. The whole structure is simple, the adjustment stability is good, and the two-layer dynamic sealing fit is formed by the tight pressing fit between the fastener and the moving piece and between the moving piece and the static piece; the matching surface matching by the mirror level can be used Improve the tightness of the tight-fitting seal. The tightening and fitting of the fastener and the moving piece make the valve stem completely enclosed in the cavity enclosed by the fastener and the moving piece, and the valve stem does not make any contact with the water flow in the inner cavity of the outer casing, thereby effectively preventing Water flows from the valve stem to the fastener. The whole structure has good sealing and leakproof performance. Since the dynamic sealing mating part does not involve easy-wearing parts, it can effectively improve the sealing and water leakage prevention performance of the entire faucet structure, thereby increasing the opening and closing times of the faucet and improving the service life of the faucet.
除了上面所描述的目的、特征和优点之外,本发明还有其它的目的、特征和优点。下面将参照图,对本发明作进一步详细的说明。In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings.
附图说明DRAWINGS
构成本申请的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:The accompanying drawings, which are incorporated in the claims In the drawing:
图1是本发明优选实施例的出水调节式水龙头的剖面结构示意图;1 is a schematic cross-sectional structural view of a water outlet type faucet according to a preferred embodiment of the present invention;
图2是本发明优选实施例的进水调节式水龙头的剖面的结构示意图;Figure 2 is a schematic structural view showing a cross section of a water inlet regulating faucet according to a preferred embodiment of the present invention;
图3是本发明优选实施例的紧固件的结构示意图;Figure 3 is a schematic view showing the structure of a fastener according to a preferred embodiment of the present invention;
图4是本发明优选实施例的静片喇叭口端的结构示意图;4 is a schematic structural view of a flare end of a static lens according to a preferred embodiment of the present invention;
图5是本发明优选实施例的静片匹配口端的结构示意图;5 is a schematic structural view of a mating end of a static piece according to a preferred embodiment of the present invention;
图6是本发明优选实施例的动片的结构示意图。Figure 6 is a schematic view showing the structure of a rotor of a preferred embodiment of the present invention.
图例说明:illustration:
1、外壳体;101、进水连接管口;102、出水口;103、装配口;104、悬挑台阶;2、控制机构;201、静片;2011、周向定位件;2012、喇叭口;2013、匹配口;202、动片;2021、密封段;2022、调节段;2023、斜撑构造;2024、限位件;203、紧固件;2031、密封盖;2032、密封部;2033、施力部;2034、贯通孔;204、阀杆;3、驱转机构;4、密封槽;5、密封圈;6、密封环圈;7、定位环圈;8、密封机构。1, outer casing; 101, inlet connection pipe; 102, water outlet; 103, assembly port; 104, cantilevered steps; 2, control mechanism; 201, static film; 2011, circumferential positioning parts; 2013, matching port; 202, moving piece; 2021, sealing section; 2022, adjusting section; 2023, diagonal strut structure; 2024, limiting piece; 203, fastener; 2031, sealing cover; 2032, sealing part; , force unit; 2034, through hole; 204, valve stem; 3, drive mechanism; 4, sealing groove; 5, sealing ring; 6, sealing ring; 7, positioning ring; 8, sealing mechanism.
具体实施方式Detailed ways
以下结合附图对本发明的实施例进行详细说明,但是本发明可以由下述所限定和覆盖的多种不同方式实施。The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various different ways as defined and covered below.
图1是本发明优选实施例的出水调节式水龙头的剖面结构示意图;图2是本发明优选实施例的进水调节式水龙头的剖面的结构示意图;图3是本发明优选实施例的紧固件的结构示意图;图4是本发明优选实施例的静片喇叭口端的结构示意图;图5是本发明优选实施例的静片匹配口端的结构示意图;图6是本发明优选实施例的动片的结构示意图。1 is a cross-sectional structural view of a water-regulating faucet according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of a cross-section of a water-intake faucet according to a preferred embodiment of the present invention; and FIG. 3 is a fastener of a preferred embodiment of the present invention; 4 is a schematic structural view of a flared end of a preferred embodiment of the present invention; FIG. 5 is a schematic structural view of a mating end of a preferred embodiment of the present invention; and FIG. 6 is a schematic view of a movable embodiment of the preferred embodiment of the present invention. Schematic.
如图1所示,本实施例的水龙头,包括外壳体1,外壳体1设有进水连接管口101、出水口102以及装配口103,装配口103连通至进水连接管口101与出水口102之间的流通通道上,装配口103上装有用于调节控制从进水连接管口101流通至出水口102的水流量的控制机构2,控制机构2包括设于装配口103内腔底端并封盖在进水连接管口101与出水口102之间的流 通通道上用于形成固定流通通道的静片201、面贴合密封压盖在静片201上用于形成活动流通通道并与静片201的固定流通通道转动配合以形成不同径向尺寸的流通通道控制水流流量的动片202、面贴合密封压盖在动片202上用于封闭装配口103并沿轴向固定定位动片202和静片201的紧固件203以及处于紧固件203与动片202的围合腔体内并连接动片202用于控制动片202转动调节和限制动片202径向移动的阀杆204,阀杆204的外伸端上设有用于驱动阀杆204转动的驱转机构3。本发明水龙头,将传统的阀芯结构改进成新型的控制机构2,直接在外壳体1内腔中的流通通道上固定定位静片201,限制静片201径向运动,利用静片201封盖流通通道,静片201上的固定流通通道作为外壳体1内腔中的流通通道必经通道;通过在静片201上贴合压盖动片202以及在动片202上贴合压盖紧固件203,以形成对动片202和静片201的轴向限位作用,并通过阀杆204对动片202进行轴向和径向的定位,使得动片202仅能够随阀杆204绕周向转动,形成动片202上的活动流通通道与静片201上的固定流通通道之间的配合关系,精确控制外壳体1内腔中流通通道的径向尺寸大小,从而精确控制从进水流通管口进水到出水口102出水的水流量。整个结构简单,调节稳定性好,通过紧固件203与动片202之间以及动片202与静片201之间的紧压贴合配合,以形成双层动态密封配合;利用镜面级的贴合面配合能够提高紧压贴合密封的密封性。利用紧固件203与动片202的紧压贴合配合,使得阀杆204完全封闭于紧固件203与动片202围合的腔体内,阀杆204不会与外壳体1内腔中的水流进行任何接触,从而有效防止水流从阀杆204与紧固件203之间渗漏。整个结构密封和防漏性能好,由于动态密封配合部位不涉及易磨损件,能够有效提高整个水龙头结构的密封和防漏水性能,从而提高水龙头的开闭次数,提高水龙头的使用寿命。阀杆204朝向紧固件203外伸出的外设部位装有用于施加扭矩的驱转机构3。可选地,驱转机构3采用柱形手柄、L形手柄或T形手柄。可选地,驱转机构3采用用于电动驱转的电动执行机构或者用于气动驱转的气动执行机构。可选地,阀杆204伸入外壳体1内腔中的伸入端设置为用于连接动片202的杆端连接部。可选地,杆端连接部采用柱形结构、锥形结构、锥台形结构、球形结构、半球性结构、椭圆结构、半椭圆结构中的一种。可选地,杆端连接部的最大径向尺寸大于贯通孔2034的径向尺寸,以防止装配好的阀杆204从紧固件203内脱出。可选地,杆端连接部的转角部位均设置为弧形角,以防止与动片202连接结合而造成应力集中破坏。可选地阀杆204朝向外壳体1外的外伸端设有用于装配驱转机构3的连接构造,连接构造为卡槽、螺纹孔、卡扣、热熔焊接孔、插接孔、插接槽中的至少一种。可选的,阀杆204的轴向长度为10mm~100mm:阀杆204的径向直径为3mm~20mm。As shown in FIG. 1, the faucet of the embodiment includes an outer casing 1. The outer casing 1 is provided with a water inlet connection nozzle 101, a water outlet 102, and a fitting opening 103. The assembly opening 103 communicates with the inlet connection nozzle 101 and the outlet. On the flow passage between the nozzles 102, the assembly port 103 is provided with a control mechanism 2 for regulating the flow of water flowing from the inlet connection nozzle 101 to the water outlet 102. The control mechanism 2 is provided at the bottom end of the inner cavity of the assembly opening 103. And sealing the static sheet 201 for forming a fixed circulation passage on the circulation passage between the inlet connection nozzle 101 and the water outlet 102, and the surface-fitting sealing gland is formed on the static sheet 201 to form an active circulation passage and The fixed flow passage of the static piece 201 is rotatably coupled to form a flow piece 202 of different radial size flow passages for controlling the flow rate of the water flow, and the surface-fitting sealing gland is disposed on the movable piece 202 for closing the assembly opening 103 and fixedly positioning in the axial direction. The fasteners 203 of the piece 202 and the static piece 201 and the enclosed cavity of the fastener 203 and the moving piece 202 and the connecting piece 202 are used to control the rotation of the moving piece 202 to adjust and limit the radial movement of the moving piece 202. 204, the outer end of the valve stem 204 is provided for driving Rotating the valve stem 204 rotation driving mechanism 3. The faucet of the invention improves the traditional valve core structure into a novel control mechanism 2, and fixes the positioning static piece 201 directly on the circulation passage in the inner cavity of the outer casing 1, restricting the radial movement of the static piece 201, and sealing with the static piece 201 In the circulation passage, the fixed circulation passage on the static piece 201 serves as a passage for the circulation passage in the inner cavity of the outer casing 1. The pressure cover piece 202 is attached to the static piece 201 and the gland is fastened to the movable piece 202. The member 203 is configured to form an axial limiting action on the movable piece 202 and the static piece 201, and axially and radially position the moving piece 202 through the valve rod 204, so that the moving piece 202 can only be wound around the valve rod 204. Rotating to form a matching relationship between the movable circulation passage on the movable piece 202 and the fixed circulation passage on the static piece 201, and precisely controlling the radial size of the circulation passage in the inner cavity of the outer casing 1, thereby precisely controlling the flow from the inlet water The flow of water from the nozzle into the outlet 102. The whole structure is simple, the adjustment stability is good, and the tight pressing fit between the fastener 203 and the moving piece 202 and between the moving piece 202 and the static piece 201 is combined to form a double-layer dynamic sealing fit; The mating fit improves the tightness of the tight-fitting seal. The tightening fit of the fastener 203 and the movable piece 202 is such that the valve stem 204 is completely enclosed in the cavity enclosed by the fastener 203 and the movable piece 202, and the valve stem 204 does not overlap with the inner cavity of the outer casing 1. The water flow makes any contact to effectively prevent water flow from leaking between the valve stem 204 and the fastener 203. The whole structure has good sealing and leakproof performance. Since the dynamic sealing mating part does not involve easy-wearing parts, it can effectively improve the sealing and water leakage prevention performance of the entire faucet structure, thereby increasing the opening and closing times of the faucet and improving the service life of the faucet. The peripheral portion of the valve stem 204 that projects outwardly of the fastener 203 is provided with a drive mechanism 3 for applying torque. Alternatively, the drive mechanism 3 employs a cylindrical handle, an L-shaped handle or a T-shaped handle. Alternatively, the drive mechanism 3 employs an electric actuator for electric drive or a pneumatic actuator for pneumatic drive. Optionally, the projecting end of the valve stem 204 extending into the inner cavity of the outer casing 1 is provided as a rod end connection for connecting the rotor 202. Optionally, the rod end connecting portion adopts one of a cylindrical structure, a tapered structure, a frustum-shaped structure, a spherical structure, a hemispherical structure, an elliptical structure, and a semi-elliptical structure. Optionally, the maximum radial dimension of the rod end connection is greater than the radial dimension of the through bore 2034 to prevent the assembled valve stem 204 from escaping from within the fastener 203. Optionally, the corner portions of the rod end connecting portion are all disposed at an arc angle to prevent the stress concentration damage caused by the joint connection with the movable piece 202. Optionally, the valve rod 204 is provided with a connection structure for assembling the drive mechanism 3 toward the outer end of the outer casing 1. The connection structure is a card slot, a threaded hole, a buckle, a hot-melt welding hole, a plug hole, and a plug connection. At least one of the slots. Optionally, the axial length of the valve stem 204 is 10 mm to 100 mm: the radial diameter of the valve stem 204 is 3 mm to 20 mm.
如图2所示,本实施例中,静片201封盖在出水口102的流通通道上。出水口102一端形成固定流通通道,通过动片202的转动调节以形成不同的进水量,从而精确控制出水口102出水的水流量。动片202具有缓冲水压的作用,可以适用于水流量大环境,用于降低水压。可选地,静片201封盖在进水连接管口101的流通通道上,如图1所示。进水连接管口101一端形成固定流通通道,通过动片202的转动调节输出水量,从而精确控制出水口102出水的水流量。动片202具有加压排水的作用,可以适用于水流量小的环境,用于水流加压输出。As shown in FIG. 2, in the present embodiment, the static sheet 201 is sealed on the flow passage of the water outlet 102. One end of the water outlet 102 forms a fixed circulation passage, and is adjusted by the rotation of the movable piece 202 to form different water inlet amounts, thereby precisely controlling the water flow rate of the water outlet 102. The movable piece 202 has a function of buffering water pressure, and can be applied to a large water flow environment for reducing water pressure. Optionally, the static sheet 201 is capped on the flow passage of the inlet connection nozzle 101, as shown in FIG. One end of the inlet water connection nozzle 101 forms a fixed circulation passage, and the output water amount is adjusted by the rotation of the rotor piece 202, thereby precisely controlling the water flow rate of the outlet water of the outlet port 102. The movable piece 202 has the function of pressurized drainage, and can be applied to an environment with a small water flow rate for pressurized output of the water flow.
如图1所示,本实施例中,外壳体1的内壁面上设有至少一圈沿径向向内悬挑的悬挑台阶104。静片201压盖于悬挑台阶104的环圈表面上。静片201与悬挑台阶104之间设有用于形成静片201与外壳体1之间压紧密封的密封槽4和密封圈5。静片201外侧壁上还设有用于静片201在外壳体1内腔中周向固定定位的周向定位件2011。采用外壳体1内腔直接作为静 片201的装配腔,直接在外壳体1内腔中装配静片201,静片201直接压盖在外壳体1的悬挑台阶104的环圈表面上并通过密封槽4和密封圈5以形成静片201与外壳体1之间的止水和密封,水流侵入到静片201与悬挑台阶104之间形成密封水膜,密封水膜延伸至密封槽4与密封圈5的配合部位停止并由密封圈5形成密封截断面,使得水流无法继续向内渗漏,从而保证静片201与外壳体1之间的密封。整个结构简单,密封性好,不易受到进水水流侵蚀,使用寿命长。可选地,静片201可以采用与外壳体1分体的结构。可选地,静片201也可以采用与外壳体1一体成型的整体结构,此时可以取消静片201与外壳体1之间的密封构造。可选地,密封圈5的表面和/或壁体内嵌有支撑圈,用以构成沿密封圈5受力方向的支撑,从而保证密封圈5的密封效果以及抗变形能力,有效防止密封圈5密封失效,能够延长密封圈5的使用寿命以及支撑能力。可选地,静片201的转角部位均设置为倒角或者弧形角,以减少静片201装配或使用时发生相互间的碰撞伤害,同时还能够构成静片201装配时的引导,方便静片201装配。可选地,密封环圈6与外壳体1内侧壁面之间也设有密封圈5和/或止水槽。用于固定定位静片201,限制静片201径向运动,并通过密封圈5的弹性作用迫使静片201对中,利用密封圈5的表面摩擦力限制静片201周向转动。从而保证静片201的设置稳定性。静片201通过定位件定位放置在外壳体1内腔的特定设置位置。可选地,静片201为圆柱体、锥体、锥台体、多边形体、半球体中的一种。As shown in FIG. 1, in the present embodiment, the inner wall surface of the outer casing 1 is provided with at least one ring of cantilevered steps 104 which are cantilevered radially inward. The static sheet 201 is pressed over the surface of the loop of the cantilevered step 104. A seal groove 4 and a seal ring 5 for forming a compression seal between the static piece 201 and the outer casing 1 are provided between the static piece 201 and the cantilevered step 104. A circumferential positioning member 2011 for the stationary positioning of the static sheet 201 in the inner cavity of the outer casing 1 is further provided on the outer side wall of the static piece 201. The inner cavity of the outer casing 1 is directly used as the assembly cavity of the static piece 201, and the static piece 201 is directly assembled in the inner cavity of the outer casing 1. The static piece 201 is directly pressed over the surface of the ring of the cantilevered step 104 of the outer casing 1 and passes through Sealing groove 4 and sealing ring 5 to form a water stop and seal between the static piece 201 and the outer casing 1, the water flow intruding between the static piece 201 and the cantilevered step 104 to form a sealing water film, and the sealing water film extends to the sealing groove 4 The mating portion with the seal ring 5 is stopped and the seal cross section is formed by the seal ring 5, so that the water flow cannot continue to leak inward, thereby ensuring the seal between the seal piece 201 and the outer casing 1. The whole structure is simple, the sealing property is good, it is not easily eroded by the influent water flow, and the service life is long. Alternatively, the static sheet 201 may adopt a structure that is separate from the outer casing 1. Alternatively, the static sheet 201 may also adopt a unitary structure integrally formed with the outer casing 1. In this case, the sealing structure between the static sheet 201 and the outer casing 1 can be eliminated. Optionally, a support ring is embedded in the surface and/or the wall of the sealing ring 5 to form a support along the direction of the force of the sealing ring 5, thereby ensuring the sealing effect and the deformation resistance of the sealing ring 5, and effectively preventing the sealing ring. 5 Seal failure, can extend the service life of the seal 5 and support ability. Optionally, the corner portions of the static sheet 201 are all set to chamfered or curved corners to reduce mutual collision damage when the static sheets 201 are assembled or used, and at the same time, can form a guide for the assembly of the static sheets 201, which is convenient and quiet. The sheet 201 is assembled. Optionally, a sealing ring 5 and/or a water stop is also provided between the sealing ring 6 and the inner side wall surface of the outer casing 1. It is used for fixing the positioning static piece 201, restricting the radial movement of the static piece 201, and forcing the static piece 201 to be centered by the elastic action of the sealing ring 5, and restricting the circumferential rotation of the static piece 201 by the surface frictional force of the sealing ring 5. Thereby, the setting stability of the static sheet 201 is ensured. The static piece 201 is positioned by a positioning member to be placed at a specific position of the inner cavity of the outer casing 1. Optionally, the static sheet 201 is one of a cylinder, a cone, a frustum body, a polygonal body, and a hemisphere.
如图2所示,本实施例中,外壳体1的内壁面上设有一圈沿径向向内悬挑的悬挑台阶104。静片201通过用于静片201与外壳体1之间密封和缓冲上部压紧作用力的密封环圈6压盖于悬挑台阶104的环圈表面上。密封环圈6夹持于静片201与悬挑台阶104之间并贴靠于外壳体1内腔侧壁面上。静片201外侧壁上还设有用于静片201在外壳体1内腔中周向固定定位的周向定位件2011。采用外壳体1内腔作为静片201的装配腔,直接在外壳体1内腔中装配静片201,静片201通过密封环圈6压盖在外壳体1的悬挑台阶104的环圈表面上,以形成静片201与外壳体1之间的密封,密封环圈6夹持于静片201与悬挑台阶104之间,能够保证密封环圈6的结构稳定性;并且密封环圈6三个方向贴合,仅有内环面承受水流压力,不易受到水流压力时侵蚀;随着水流压力的增大并作用于密封环圈6的内环面上,反而使得密封环圈6贴附外壳体1内腔侧壁面越紧,密封效果越好,从而提高静片201与外壳体1之间的密封性能,保证外壳体1的使用寿命。整个结构简单,密封性好,不易受到进水水流侵蚀,使用寿命长。As shown in FIG. 2, in the present embodiment, the inner wall surface of the outer casing 1 is provided with a cantilevered step 104 which is radially inwardly suspended. The static sheet 201 is pressed over the surface of the loop of the cantilevered step 104 by a sealing ring 6 for sealing between the static sheet 201 and the outer casing 1 and buffering the upper pressing force. The sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104 and abuts against the side wall surface of the inner casing of the outer casing 1. A circumferential positioning member 2011 for the stationary positioning of the static sheet 201 in the inner cavity of the outer casing 1 is further provided on the outer side wall of the static piece 201. The inner cavity of the outer casing 1 is used as the assembly cavity of the static piece 201, and the static piece 201 is directly assembled in the inner cavity of the outer casing 1. The static piece 201 is pressed over the annular surface of the cantilevered step 104 of the outer casing 1 by the sealing ring 6. In order to form a seal between the static piece 201 and the outer casing 1, the sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104 to ensure the structural stability of the sealing ring 6; and the sealing ring 6 The inner ring faces are subjected to water flow pressure, and are not easily eroded by the water flow pressure; as the water flow pressure increases and acts on the inner ring surface of the seal ring 6, the seal ring 6 is attached to the outer casing. The tighter the side wall surface of the body 1 is, the better the sealing effect is, thereby improving the sealing performance between the static sheet 201 and the outer casing 1, and ensuring the service life of the outer casing 1. The whole structure is simple, the sealing property is good, it is not easily eroded by the influent water flow, and the service life is long.
如图2所示,本实施例中,密封环圈6包括用于与静片201端面顶抵接触的第一端面以及用于与悬挑台阶104的环圈表面顶抵接触的第二端面。第一端面与第二端面构成一组相对夹持面。密封环圈6还包括用于与外壳体1内腔侧壁面接触的外侧面以及用于与进水流体接触承受水流压力并通过水流压力将密封环圈6沿径向压紧于外壳体1内腔侧壁面上的内环面。外侧面与内环面构成一组由内向外的单向受力面。静片201通过密封环圈6压盖在外壳体1的悬挑台阶104上,以形成静片201与外壳体1之间的密封,密封环圈6夹持于静片201与悬挑台阶104之间,能够保证密封环圈6的结构稳定性;并且密封环圈6三个方向贴合,仅有内环面承受水流水压,不易受到水流的侵蚀;随着水流水压的增大并作用于密封环圈6的内环面上,反而使得密封环圈6贴附外壳体1内腔侧壁面越紧,密封效果越好,从而提高静片201与外壳体1之间的密封性能,保证密封环圈6的使用寿命。整个结构简单,密封性好,不易受到进水水流侵蚀,使用寿命长。可选地,静片201可以采用与外壳体1分体的结构。 可选地,密封环圈6外侧面呈锥形侧面,以保证密封环圈6能够装配到位,防止装配偏斜而导致漏水。可选地,密封环圈6内环面呈锥形壁面,使得内环面受到水流作用力而迫使外侧面压紧于外壳体1内腔侧壁面上,形成压紧密封。可选地,第一端面沿径向向四周延伸构成用于沿径向顶抵在外壳体1内腔侧壁面上并与外壳体1内腔相应悬挑台阶面间隔布置以形成轴向移动限位的环形外缘。能够提高第一端面与静片201的接触面,能够提高结合面的防水效果,同时能够使得静片201的下压力均匀向下传递,而壁面压力过大而压破密封环圈6。可选地,密封环圈6具有环形外缘,在装配时存在下部空腔,能够形成空腔缓冲力,防止装配时的上部结构直接与外壳体1内壁发生碰撞;同时能够形成足够的下压空间,减少装配时对环形外缘的压破力,有效避免直接压破环形外缘。可选地,密封环圈6的内环面上嵌固有用于支撑密封环圈6以防止密封环圈6受压变形后从外壳体1内腔脱落的支撑圈。支撑圈沿径向嵌固在内环面内,构成内环面上沿径向和轴向的结构断层,结构断层能够用于缓冲水锤效应所产生的双向反复冲击,也能够用于缓冲密封环圈6受到的轴向压力变化;同时对密封环圈6的轴向变形和径向变形构成限制,避免密封环圈6由于变形过大而发生脱落的现象,从而保证整体结构的稳定性。可选地,密封环圈6和/或支撑圈采用硅胶圈或者橡胶圈。支撑圈的截面形状为L形、T形、U形中的一种。可以根据需要选择不同结构形式的支撑圈以满足使用要求。L形的支撑圈构成对密封环圈6轴向限制以及内环面表面的单向隔挡限制。T形的支撑圈构成对密封环圈6轴向限制以及内环面表面的双向隔挡限制。U形的支撑圈构成对密封环圈6双部位轴向限制以及内环面表面的整体隔挡限制。支撑圈包括用于嵌固在内环面壁体内的嵌固部以及贴附于内环面表面的贴附部。可选地,贴附部朝向第一端面的一端顶抵于静片201端面。可选地,贴附部朝向第一端面的一端与静片201之间留有间距。通过嵌固部嵌固于内环面表面凹槽内,以形成对密封环圈6轴向变形的限制以及轴向缓冲作用。通过贴附部贴附在内环面表面,以限制密封环圈6的径向变形以及缓冲径向作用力。密封环圈6的第一端面和/或密封环圈6的第二端面上设有用于顶抵接触过程中通过压缩变形缓冲顶抵作用力并密封止水的密封止水环;和/或第二端面上设有用于嵌固在外壳体1内腔悬挑台阶104内形成密封环的嵌固凸环。嵌固凸环的截面形状为矩形、锥形、三角形、U形中的至少一种。可以根据需要选择不同的嵌固凸环截面形状,表面锥形能够方便结构拼装到位。可选地,密封环圈6的内环面采用竖直平面、斜面或者内凹弧面。采用竖直平面,形成竖直通道,减少通过的水流与竖直平面的作用力,降低水流对密封环圈6的影响。可选地,斜面朝向水流进口方向向内倾斜,可以避免通过的水流对斜面造成冲击力影响,同时能够形成进水扩口,能够增大进水水量。可选地,斜面朝向出水方向向内倾斜,利用水流冲击力形成径向向外的作用力,使得密封环圈6紧紧贴合外壳体1内侧壁面,从而提高密封性;水流量和水压越大,密封坏圈6贴合更紧密,密封性越好。可选地,密封环圈6的外边缘沿轴向延伸并包裹于静片201的外侧壁上,构成夹持于静片201与外壳体1内侧壁面之间的密封层和缓冲层。可选地,支撑圈可以嵌固于内环面壁体表面。可选地,支撑圈包覆于密封环圈6壁体内,密封环圈6形成内含支撑圈的复合结构。As shown in FIG. 2, in the present embodiment, the seal ring 6 includes a first end face for abutting against the end face of the stationary piece 201 and a second end face for abutting against the ring surface of the cantilevered step 104. The first end surface and the second end surface form a set of opposing clamping faces. The sealing ring 6 further includes an outer side surface for contacting the inner wall surface of the outer casing 1 and for contacting the influent fluid to withstand the water flow pressure and compressing the sealing ring 6 radially into the outer casing 1 by the water flow pressure. The inner annulus on the side wall of the cavity. The outer side surface and the inner ring surface form a set of unidirectional force receiving surfaces from the inside to the outside. The static piece 201 is pressed onto the overhanging step 104 of the outer casing 1 by the sealing ring 6 to form a seal between the static piece 201 and the outer casing 1. The sealing ring 6 is clamped between the static piece 201 and the cantilevered step 104. Between, the structural stability of the sealing ring 6 can be ensured; and the sealing ring 6 is fitted in three directions, only the inner ring surface is subjected to water flow and water pressure, and is not easily eroded by water flow; On the inner annular surface of the sealing ring 6, the sealing ring 6 is attached to the inner wall surface of the outer casing 1 to be tighter, and the sealing effect is better, thereby improving the sealing performance between the static piece 201 and the outer casing 1 and ensuring the sealing performance. The service life of the sealing ring 6. The whole structure is simple, the sealing property is good, it is not easily eroded by the influent water flow, and the service life is long. Alternatively, the static sheet 201 may adopt a structure that is separate from the outer casing 1. Optionally, the outer side of the sealing ring 6 has a tapered side to ensure that the sealing ring 6 can be assembled in position to prevent assembly deflection and water leakage. Optionally, the inner annular surface of the sealing ring 6 has a tapered wall surface, so that the inner annular surface is subjected to a water flow force to force the outer side surface to be pressed against the inner wall side surface of the outer casing 1 to form a compression seal. Optionally, the first end surface extends radially to the periphery to form a radial top against the inner cavity side wall surface of the outer casing 1 and is spaced apart from the corresponding outer surface of the outer casing 1 to form an axial movement limit. The outer edge of the ring. The contact surface between the first end surface and the static sheet 201 can be increased, the waterproof effect of the joint surface can be improved, and the downward pressure of the static sheet 201 can be uniformly transmitted downward, and the wall surface pressure is excessively large to crush the seal ring 6. Optionally, the sealing ring 6 has an annular outer edge, and a lower cavity is formed during assembly, which can form a cavity buffering force to prevent the upper structure during assembly from directly colliding with the inner wall of the outer casing 1; and at the same time, sufficient downward pressure can be formed Space, reduce the crushing force on the outer edge of the ring during assembly, and effectively avoid directly crushing the outer edge of the ring. Optionally, the inner ring surface of the sealing ring 6 is embedded with a support ring which is inherently used for supporting the sealing ring 6 to prevent the sealing ring 6 from being deformed from the inner cavity of the outer casing 1 after being deformed by pressure. The support ring is radially embedded in the inner annular surface to form a radial and axial structural fault on the inner annular surface. The structural fault can be used to buffer the bidirectional repeated impact caused by the water hammer effect, and can also be used for buffer sealing. The axial pressure of the ring 6 is changed; at the same time, the axial deformation and the radial deformation of the sealing ring 6 are restricted, and the sealing ring 6 is prevented from falling off due to excessive deformation, thereby ensuring the stability of the overall structure. Optionally, the sealing ring 6 and/or the support ring are made of a silicone ring or a rubber ring. The cross-sectional shape of the support ring is one of an L shape, a T shape, and a U shape. Support rings of different structural forms can be selected as needed to meet the requirements of use. The L-shaped support ring constitutes an axial restriction on the seal ring 6 and a one-way barrier limit on the inner ring surface. The T-shaped support ring constitutes an axial restriction on the seal ring 6 and a two-way barrier limit on the inner ring surface. The U-shaped support ring constitutes an axial restriction on the double portion of the seal ring 6 and an integral barrier limit on the inner ring surface. The support ring includes an insert portion for fitting into the inner annular wall body and an attachment portion attached to the inner annular surface. Optionally, one end of the attaching portion facing the first end surface abuts against the end surface of the static piece 201. Optionally, a distance is left between the end of the attaching portion facing the first end surface and the static sheet 201. The inner portion of the inner ring surface groove is embedded by the insert portion to form a restriction on the axial deformation of the seal ring 6 and an axial buffering action. The inner annular surface is attached by the attaching portion to limit the radial deformation of the sealing ring 6 and to buffer the radial force. a first end surface of the sealing ring 6 and/or a second end surface of the sealing ring 6 is provided with a sealing water stop ring for abutting the pressure by the compression deformation buffer during the top contact and sealing the water stop; and/or The two end faces are provided with an embedded convex ring for being embedded in the cantilevered step 104 of the inner cavity of the outer casing 1 to form a sealing ring. The cross-sectional shape of the embedded convex ring is at least one of a rectangle, a cone, a triangle, and a U. Different shape of the embedded convex ring can be selected according to the need, and the surface taper can facilitate the structure to be assembled. Optionally, the inner annulus of the sealing collar 6 is a vertical plane, a beveled surface or a concave curved surface. The vertical plane is adopted to form a vertical passage, which reduces the force of the passing water flow and the vertical plane, and reduces the influence of the water flow on the seal ring 6. Optionally, the inclined surface is inclined inward toward the water inlet direction, which can prevent the impact of the passing water flow on the inclined surface, and can form the water inlet flaring, which can increase the water inflow. Optionally, the inclined surface is inclined inward toward the water discharge direction, and the radially outward force is formed by the water flow impact force, so that the sealing ring 6 is tightly fitted to the inner side wall surface of the outer casing 1 to improve the sealing property; water flow and water pressure The larger the sealing ring 6 is, the closer it is, and the better the sealing. Optionally, the outer edge of the sealing ring 6 extends axially and is wrapped around the outer side wall of the static sheet 201 to form a sealing layer and a buffer layer sandwiched between the static sheet 201 and the inner side wall surface of the outer casing 1. Alternatively, the support ring may be embedded on the surface of the inner annulus wall. Optionally, the support ring is wrapped in the wall of the sealing ring 6, and the sealing ring 6 forms a composite structure containing the support ring.
如图1和图2所示,本实施例中,阀杆204与紧固件203内壁之间设有至少二层沿周向布置成环状并用于对阀杆204进行轴向运动限制和径向运动限制以保证阀杆204周向转动调节稳定性的定位环圈7。阀杆204由定位环圈7确保旋转中轴不发生偏移,同时动片202随阀杆204转动的同时通过阀杆204确保动片202转动中轴不发生偏移,从而确保动片202与静 片201的转动调节精度以及确保动片202上端面与下端面位置的动态密封稳定性。可选地,定位环圈7卡固于阀杆204外表面开设的第一定位槽内和/或定位环圈7卡固于紧固件203的贯通孔2034孔壁开设的第二定位槽内。可以根据阀杆204的长度灵活选择定位环圈7的设置部位以及设置数量,保证阀杆204与紧固件203之间的相对稳定性,确保阀杆204仅存在周向转动运动,避免阀杆204与周边部件发生摩擦碰撞。当第一定位槽和第二定位槽设于转角部位时,紧固件203与阀杆204和动片202三者之间构成三角密封配合,有效提供接缝部位的密封性;同时也能够提高阀杆204的转动稳定性,有效避免阀杆204偏斜和偏转。可选地,第一定位槽和/或第二定位槽采用半圆槽、U形槽、V形槽、燕尾槽中的至少一种。可选地,第一定位槽和/或第二定位槽采用外窄内宽的窄口槽。As shown in FIG. 1 and FIG. 2, in the present embodiment, at least two layers are disposed between the valve stem 204 and the inner wall of the fastener 203 in a circumferential direction and are used for axial movement restriction and diameter of the valve stem 204. The positioning collar 7 is adjusted to the movement to ensure that the valve stem 204 is rotated circumferentially to adjust stability. The valve stem 204 is ensured by the positioning ring 7 that the rotating shaft does not shift, and the rotor 202 rotates with the valve stem 204 while ensuring that the rotating shaft of the rotor 202 is not displaced by the valve stem 204, thereby ensuring that the rotor 202 is The rotation adjustment accuracy of the static piece 201 and the dynamic sealing stability of the position of the upper end surface and the lower end surface of the rotor piece 202 are ensured. Optionally, the positioning ring 7 is fastened in the first positioning groove formed by the outer surface of the valve stem 204 and/or the positioning ring 7 is fastened in the second positioning groove formed by the hole of the through hole 2034 of the fastener 203. . According to the length of the valve stem 204, the installation position and the number of the positioning ring 7 can be flexibly selected to ensure the relative stability between the valve stem 204 and the fastener 203, and the valve stem 204 only has a circumferential rotation motion to avoid the valve stem. 204 collides with the surrounding components. When the first positioning groove and the second positioning groove are disposed at the corner portion, the fastener 203 forms a triangular sealing fit with the valve stem 204 and the movable piece 202, thereby effectively providing the sealing property of the joint portion; The rotational stability of the valve stem 204 effectively prevents the stem 204 from deflecting and deflecting. Optionally, the first positioning groove and/or the second positioning groove adopt at least one of a semicircular groove, a U-shaped groove, a V-shaped groove and a dovetail groove. Optionally, the first positioning slot and/or the second positioning slot adopt a narrow slot with an outer narrow inner width.
如图1、图2和图3所示,本实施例中,紧固件203包括用于封盖装配口103的密封盖2031。密封盖2031下部设有用于与动片202紧贴密封接触以将阀杆204封闭在紧固件203与动片202围合形成的腔体内并与装配口103紧固连接的密封部2032。密封盖2031的上部设有用于密封部2032与外壳体1的装配口103连接时施力的施力部2033。紧固件203中部沿轴向开设有用于密封装配阀杆204的贯通孔2034。在紧固件203的贯通孔2034内装配阀杆204并通过对施力部2033施力即可实现密封部2032的紧固连接装配以及密封盖2031与外壳体1端面的紧密接触密封封盖;通过密封部2032的端面压靠动片202,以保证静片201和动片202在外壳体1内腔的结构稳定性;阀杆204连接于动片202内腔,通过扭转阀杆204即可实现动片202与静片201的通道配合,实现水流控制,整个结构配件少,装配简单。改变传统的阀芯控制机构,直接采用紧固件203依次将动片202和静片201顶抵在外壳体1内腔中并密封外壳体1的装配口,利用直接布设于外壳体1内腔中的动片202与静片201的转动配合以实现外壳体1内腔中的水流通断。可选地,整个紧固件203结构采用注塑成型的整体结构,结构简单稳定性好。直接做好紧固件203与外壳体1之间的静态密封以及紧固件203与阀杆204之间的动态密封两处密封,即可实现外壳体1的装配口的密封,使得水龙头的使用寿命明显提高。可选地,施力部2033的外壁面上开设有至少一组相对布设用于着力的着力平面;和/或施力部2033的径向断面的外轮廓形状为三角形、四边形、五边形、六边形中的一种。可以根据需要选择施力部2033的外形结构,以方便紧固件203的施力装配,适用于各种零件装配。可选地,密封部2032的外表面设有用于卡固的卡固件、契合件或者弹性拉结件。可选地,密封部2032与外壳体1的装配口内壁体采用热熔焊接。可选地,密封部2032与密封盖2031之间设置为用于阻隔水流并防止紧固件203与外壳体1之间水流通过的水封或油封。通过在密封部2032与密封盖2031之间设置水封或油封,或者利用密封部2032与密封盖2031之间的结构构成水封或油封,密封部2032的连接段、水封或油封形成的密封止水圈以及密封盖2031与外壳体1端面之间的贴合密封形成多层密封,并且紧固件203与外壳体1之间为静态紧固配合,因此完全能够保证紧固件203与外壳体1连接部位的密封性,密封使用年限至少高于现有阀芯水阀数十倍。可选地,密封部2032表面设有外螺纹,密封部2032通过外螺纹与外壳体1螺纹咬合,外螺纹上开设有用于防止螺纹配合后逆向松脱的止逆槽。保证紧固件203与外壳体1之间的连接稳定性,保证多层静态密封的结构稳定性,避免漏水,避免密封部位的疲劳破坏,有效延长密封水阀的使用寿命。可选地,紧固件203的外转角均设置为弧形角,以防止与周边发生碰撞伤害或造成破损。可选地,紧固件203的内转角均设置为倒角或者弧形角,以防止装配时发生彼此间的碰撞损害;同时形成装配时的引导结构,引导装配件引入 装配位置,提高装配效率,提高装配精度。可选地,紧固件203的轴向长度为5mm~20mm。As shown in FIGS. 1, 2 and 3, in the present embodiment, the fastener 203 includes a sealing cover 2031 for covering the fitting opening 103. The lower portion of the sealing cover 2031 is provided with a sealing portion 2032 for sealingly contacting the movable piece 202 to close the valve rod 204 in a cavity formed by the fastener 203 and the movable piece 202 and fastened to the mounting opening 103. The upper portion of the seal cover 2031 is provided with a biasing portion 2033 for biasing when the seal portion 2032 is connected to the fitting port 103 of the outer casing 1. A through hole 2034 for sealing the valve stem 204 is axially opened in the middle of the fastener 203. The valve rod 204 is assembled in the through hole 2034 of the fastener 203 and the fastening connection assembly of the sealing portion 2032 and the close contact sealing of the sealing cover 2031 with the end surface of the outer casing 1 are achieved by applying force to the urging portion 2033; The end surface of the sealing portion 2032 is pressed against the moving piece 202 to ensure the structural stability of the static piece 201 and the moving piece 202 in the inner cavity of the outer casing 1. The valve rod 204 is connected to the inner cavity of the moving piece 202, and the valve stem 204 can be twisted. The channel of the movable piece 202 and the static piece 201 is matched to realize water flow control, and the whole structure has few accessories and simple assembly. The conventional valve core control mechanism is changed, and the movable piece 202 and the static piece 201 are directly abutted against the inner cavity of the outer casing 1 by the fastener 203, and the assembly opening of the outer casing 1 is sealed, and the inner casing of the outer casing 1 is directly disposed. The movable piece 202 in the middle cooperates with the rotation of the static piece 201 to realize water flow in the inner cavity of the outer casing 1. Optionally, the entire fastener 203 structure adopts an injection-molded integral structure, and has a simple structure and good stability. The static sealing between the fastener 203 and the outer casing 1 and the dynamic sealing between the fastener 203 and the valve stem 204 can be directly sealed, so that the sealing of the assembly opening of the outer casing 1 can be realized, and the use of the faucet can be realized. Life expectancy has increased significantly. Optionally, the outer wall surface of the urging portion 2033 is provided with at least one set of opposing force planes for urging; and/or the outer contour shape of the radial section of the urging portion 2033 is triangular, quadrangular, pentagon, One of the hexagons. The outer shape structure of the urging portion 2033 can be selected as needed to facilitate the force assembly of the fastener 203, and is suitable for assembly of various parts. Optionally, the outer surface of the sealing portion 2032 is provided with a fastener, a fitting or an elastic pull member for fastening. Optionally, the sealing portion 2032 and the inner wall of the fitting opening of the outer casing 1 are heat-welded. Optionally, a water seal or an oil seal is provided between the sealing portion 2032 and the sealing cover 2031 for blocking the flow of water and preventing water flow between the fastener 203 and the outer casing 1. By providing a water seal or an oil seal between the sealing portion 2032 and the sealing cover 2031, or by using a structure between the sealing portion 2032 and the sealing cover 2031 to form a water seal or an oil seal, the sealing portion of the sealing portion 2032, the water seal or the seal formed by the oil seal The water sealing ring and the sealing seal between the sealing cover 2031 and the end surface of the outer casing 1 form a multi-layer seal, and the fastener 203 is statically fastened with the outer casing 1, so that the fastener 203 and the outer casing can be completely ensured. The sealing of the joint of the body 1 has a sealing life of at least ten times higher than that of the existing spool valve. Optionally, the surface of the sealing portion 2032 is provided with an external thread, and the sealing portion 2032 is threadedly engaged with the outer casing 1 by an external thread, and the external thread is provided with a non-return groove for preventing the thread from being reversely released after the screwing. The connection stability between the fastener 203 and the outer casing 1 is ensured, the structural stability of the multi-layer static seal is ensured, water leakage is avoided, fatigue damage of the sealing portion is avoided, and the service life of the sealing water valve is effectively extended. Optionally, the outer corners of the fasteners 203 are all set to arc angles to prevent collision damage or damage to the periphery. Optionally, the inner corners of the fasteners 203 are all set to chamfers or arc angles to prevent collision damage between each other during assembly; at the same time, forming a guiding structure during assembly, guiding the assembly into the assembly position, and improving assembly efficiency. Improve assembly accuracy. Optionally, the fastener 203 has an axial length of 5 mm to 20 mm.
如图1、图2和图3所示,本实施例中,紧固件203与外壳体1之间为紧固连接,紧固件203与外壳体1内腔之间设有密封机构8。从而实现紧固件203的紧固作用以及装配口103位置的密封作用。可选地,密封机构8采用密封圈、密封咬合螺纹、止水条、止水槽、水封、油封中的至少一种。可以根据需要选择紧固件203与外壳体1之间的密封结构,在确保彼此连接稳定性的同时,区别连接部位的完全密封,有效防止外壳体1内腔中的水流向外渗漏。As shown in FIG. 1 , FIG. 2 and FIG. 3 , in the present embodiment, the fastener 203 is fastened to the outer casing 1 , and the sealing mechanism 8 is disposed between the fastener 203 and the inner cavity of the outer casing 1 . Thereby, the fastening action of the fastener 203 and the sealing action of the position of the fitting opening 103 are achieved. Optionally, the sealing mechanism 8 employs at least one of a sealing ring, a sealing nip thread, a water stop strip, a water stop, a water seal, and an oil seal. The sealing structure between the fastener 203 and the outer casing 1 can be selected as needed, and the complete sealing of the joint portion can be distinguished while ensuring the stability of the connection to each other, thereby effectively preventing the water flow in the inner cavity of the outer casing 1 from leaking outward.
如图1、图2、图4和图5所示,本实施例中,静片201上开设有至少一个沿轴向贯通的固定流体通道。固定流体通道朝向外壳体1外的方向设置为外大内小的喇叭口2012。固定流体通道朝向动片202的方向设置为与动片202的旋转密封面大小相匹配的匹配口2013。静片201具有用于与动片202紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流通通道的调节面以及用于与密封环圈6表面压紧密封配合的密封面。当动片202旋转并使动片202上的活动流通通道与静片201的固定流体通道连通,从而实现流通通道的打开,水流可以自由流动;当动片202旋转使得旋转密封面遮挡固定流体通道时,流通通道关闭。固定流体通道朝向外壳体1外的方向设置为外大内小的喇叭口2012。水流通过喇叭口2012实现流体汇聚,当开启流体通道时,能够增加流体出水量:喇叭口2012不易留置和堆积水体内的固体颗粒,同时流动水流能够通过打开流体通道而不断冲刷固定流体通道,以防止固定流体通道的堵塞,保证固定流体通道的通畅。固定流体通道朝向动片202的方向设置为与动片202上的旋转密封面大小相匹配的匹配口2013。方便静片201与动片202之间流体通道的旋转调节配合,方便水流开闭控制以及水流流量控制。可选地,调节面上设有用于调节面与动片202面接触时径向挡水和止水的止水环槽或止水环条;和/或调节面上设有多个用于容纳流体并利用容纳的流体形成静片201与动片202转动配合面上的流体密封膜的储液孔,储液孔布设于动片202的旋转封口件的转动轨迹上。在调节面与动片202之间能够产生密封水膜以实现结合面的密封和减小结合面摩擦力,使得动片202转动调节更顺畅,并且通过止水环槽或止水环条能够有效阻隔密封水膜向外延伸。从而避免流体渗漏。储液孔用于储存流体,并随着动片202的转动带动储液孔内的流体沿周向运动,从而减小调节面与动片202之间的摩擦力,使得动片202转动更顺畅,并形成密封水膜阻隔流体穿过,从而提高结合面的密封性。可选地,动片202上开设有多个活动流通通道以及多个用于封闭静片201上的固定流通通道的密封块,活动流通通道与密封块间隔排布。可选地,静片201一个固定流通通道同时与动片202的通过活动连通通道匹配设置。可选地,动片202的一个密封块同时与静片201的多个固定流通通道匹配设置。可选地,动片202的多个活动连通通道连通外壳体1的同一个水流输出口,或者动片202的多个活动连通通道分别连通至外壳体1的不同水流输出出口。可选地,静片201的多个固定流通通道连通至外壳体1的同一个水流输入口,或者静片201的多个固定流通通道分别连通至外壳体1的不同水流输入口。可选地,动片202的轴向高度为2mm~30mm;径向直径为5mm~30mm。可选地,静片201的轴向高度为2mm~30mm;径向直径为5mm~30mm。As shown in FIG. 1, FIG. 2, FIG. 4 and FIG. 5, in the embodiment, the static sheet 201 is provided with at least one fixed fluid passage extending in the axial direction. The fixed fluid passage is disposed in a direction toward the outside of the outer casing 1 as a small flared opening 2012. The direction in which the fixed fluid passage faces the rotor 202 is set to a matching port 2013 that matches the size of the rotating sealing surface of the rotor 202. The static sheet 201 has an adjustment surface for sealingly engaging the movable piece 202 and being rotationally fitted by surface contact to close the fluid passage or to form a flow passage of different radial dimensions and for sealing and sealing the surface with the sealing ring 6 Sealing surface. When the movable piece 202 rotates and the movable circulation passage on the movable piece 202 communicates with the fixed fluid passage of the static piece 201, thereby opening the circulation passage, the water flow can flow freely; when the movable piece 202 rotates, the rotary sealing surface blocks the fixed fluid passage When the circulation channel is closed. The fixed fluid passage is disposed in a direction toward the outside of the outer casing 1 as a small flared opening 2012. The flow of water through the bell mouth 2012 achieves fluid concentration. When the fluid passage is opened, the fluid output can be increased: the bell mouth 2012 is not easy to retain and accumulate solid particles in the water body, and the flowing water flow can continuously flush the fixed fluid passage by opening the fluid passage, Prevents blockage of the fixed fluid passage and ensures the smoothness of the fixed fluid passage. The direction in which the fixed fluid passage faces the rotor 202 is set to a mating port 2013 that matches the size of the rotating sealing surface on the rotor 202. The rotation adjustment of the fluid passage between the static piece 201 and the moving piece 202 is facilitated, and the water flow opening and closing control and the water flow flow control are facilitated. Optionally, the adjusting surface is provided with a water stop ring groove or a water stop ring for adjusting the radial contact and the water stop when the surface is in contact with the moving piece 202; and/or a plurality of adjusting surfaces are provided for receiving The fluid and the fluid contained therein form a liquid storage hole of the fluid sealing film on the rotating mating surface of the static piece 201 and the movable piece 202, and the liquid storage hole is disposed on the rotating track of the rotary sealing member of the moving piece 202. A sealing water film can be formed between the adjusting surface and the moving piece 202 to achieve the sealing of the joint surface and reduce the friction of the joint surface, so that the rotation of the moving piece 202 is more smoothly adjusted, and the water ring groove or the water stop ring can be effectively used. The barrier sealing water film extends outward. Thereby avoiding fluid leakage. The liquid storage hole is used for storing the fluid, and the fluid in the liquid storage hole moves in the circumferential direction as the moving piece 202 rotates, thereby reducing the friction between the adjusting surface and the moving piece 202, so that the moving piece 202 rotates more smoothly. And forming a sealing water film to block the passage of the fluid, thereby improving the sealing of the joint surface. Optionally, the movable piece 202 is provided with a plurality of movable circulation channels and a plurality of sealing blocks for closing the fixed circulation passages on the static piece 201, and the movable circulation channels are arranged at intervals from the sealing block. Optionally, a fixed flow passage of the static piece 201 is simultaneously matched with the movable communication passage of the movable piece 202. Optionally, a sealing block of the movable piece 202 is simultaneously matched with a plurality of fixed circulation passages of the static piece 201. Optionally, the plurality of movable communication passages of the movable piece 202 communicate with the same water flow output port of the outer casing 1, or the plurality of movable communication passages of the movable piece 202 are respectively connected to different water flow output outlets of the outer casing 1. Optionally, the plurality of fixed flow passages of the static piece 201 communicate with the same water flow input port of the outer casing 1, or the plurality of fixed flow passages of the static piece 201 are respectively connected to different water flow input ports of the outer casing 1. Optionally, the moving piece 202 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm. Optionally, the static piece 201 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm.
如图1、图2和图6所示,本实施例中,动片202包括用于与紧固件203压紧贴合接触以封闭阀杆204所处腔体并与阀杆204连接以随阀杆204转动的密封段2021以及用于与静片201压紧贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段2022。调节段 2022的端面形状与静片201上的匹配口2013形状相匹配。调节段2022的转角部位和/或调节段2022与密封段2021之间的转角部位设有用于增加壁体强度的斜撑构造2023,动片202的外侧壁面上设有用于与外壳体1内腔壁体配合以限制动片202周向转动范围的限位件2024。动片202与阀杆204之间采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。可以根据需要以及密封水阀结构尺寸,选择不同的连接方式,以保证动片202与阀杆204之间连接稳定性,保证通过阀杆204能够做到精确调节控制水流流量。可选地,阀杆204与动片202之间的连接位置还设有用于防止彼此松脱的防松结构。可选地,阀杆204与动片202之间的螺纹连接通过开设止逆槽防松脱。阀杆204与动片202之间通过插接连接,插接通过卡扣或止逆凸起等防松脱。阀杆204与动片202之间通过卡接连接,卡接通过止逆卡扣防松脱。阀杆204与动片202之间通过套接连接,套接通过卡扣或止逆凸起等防松脱。阀杆204与动片202之间通过嵌固连接,嵌固通过过盈配合防松脱。阀杆204与动片202之间通过热熔焊接或粘接连接,热熔焊接或粘接通过止逆凸起、止逆卡扣或止逆螺纹防松脱。As shown in FIG. 1 , FIG. 2 and FIG. 6 , in the embodiment, the movable piece 202 includes a press-fit contact with the fastener 203 to close the cavity where the valve stem 204 is located and is connected with the valve stem 204 to follow The sealing section 2021 of the valve stem 204 rotates and an adjustment section 2022 for pressing the sealing contact with the static sheet 201 and by rotationally engaging to form fluid passages of different radial dimensions. The shape of the end face of the adjustment section 2022 matches the shape of the mating port 2013 on the static sheet 201. A corner portion between the corner portion of the adjusting portion 2022 and/or the adjusting portion 2022 and the sealing portion 2021 is provided with a diagonal strut structure 2023 for increasing the strength of the wall body, and the outer wall surface of the moving piece 202 is provided for the inner cavity of the outer casing 1 The wall body cooperates to limit the limiting member 2024 of the circumferential rotation range of the movable piece 202. At least one of a threaded connection, a plug, a snap, a socket, an insert, a hot melt welding, and a bonding is used between the movable piece 202 and the valve stem 204. Different connection modes can be selected according to the needs and the size of the sealing water valve structure to ensure the stability of the connection between the moving piece 202 and the valve stem 204, and ensure that the valve flow 204 can accurately adjust and control the flow of water. Optionally, the connection position between the valve stem 204 and the rotor piece 202 is further provided with a locking structure for preventing loosening of each other. Optionally, the threaded connection between the valve stem 204 and the rotor 202 is prevented from coming loose by opening the anti-reverse groove. The valve stem 204 and the movable piece 202 are connected by a plug connection, and the plug is prevented from being loosened by a buckle or a check protrusion. The valve rod 204 and the movable piece 202 are connected by a snap connection, and the snap-in is prevented from being loosened by the check buckle. The valve rod 204 and the movable piece 202 are connected by a socket, and the socket is prevented from being loosened by a buckle or a check protrusion. The valve rod 204 and the rotor piece 202 are connected by inserting and fixing, and the inserting body is prevented from being loosened by an interference fit. The valve stem 204 and the rotor 202 are thermally welded or bonded, and are hot-melt welded or bonded through the non-reversing projection, the anti-reverse buckle or the anti-reverse thread.
本实施例中,外壳体1、静片201、动片202、紧固件203、阀杆204、驱转机构3中的至少一个采用一体注塑成型的整体件,整体件为陶瓷体、玻璃体、塑料体或金属体。玻璃体,采用高强度钢化耐热玻璃注塑成型,可以查看到外壳体内部结构,外观漂壳,且可以防腐蚀;不存在塑料壳体结构老化以及通入的流体产生流体污染的问题,环保、健康、安全。塑料体,可以采用高强度塑料制成,结构轻便,价格便宜;当用于工业应用,且不用于饮用时,也可以采用废旧塑料制作成型。金属体,质感好,外观漂亮,结实;适用于腐蚀性不高的环境使用。陶瓷体,具有传热慢且热量均匀传递的特性,即使通入开水也不易造成外部的灼热感,不易造成烫伤;不存在塑料壳体结构老化以及通入的流体产生流体污染的问题,环保、健康、安全;可以耐高温、耐腐蚀,一体成型外观美观。In this embodiment, at least one of the outer casing 1, the static piece 201, the movable piece 202, the fastener 203, the valve stem 204, and the drive mechanism 3 is integrally molded by integral injection molding, and the integral piece is a ceramic body, a glass body, Plastic body or metal body. The vitreous body is injection molded with high-strength tempered heat-resistant glass. The internal structure of the outer casing can be seen, the appearance of the shell is bleached, and it can be corrosion-proof; there is no problem of aging of the plastic shell structure and fluid contamination caused by the incoming fluid, environmental protection and health. ,Safety. The plastic body can be made of high-strength plastic, and the structure is light and cheap. When used for industrial applications and not used for drinking, it can also be made of waste plastic. Metal body, good texture, beautiful appearance, strong; suitable for corrosive environment. The ceramic body has the characteristics of slow heat transfer and uniform heat transfer. Even if it is opened, it is not easy to cause external burning sensation, and it is not easy to cause burns. There is no problem that the plastic shell structure is aged and the fluid flowing into the fluid is contaminated. Health and safety; can withstand high temperature, corrosion resistance, and beautiful appearance.
实施时,提供一种水龙头,通过在外壳体1内腔的装配口103内依次装配密封环圈6、静片201、动片202以及套设有阀杆的紧固件203。其中静片201、动片202和阀杆204装配到位。静片201通过周向定位件2011固定定位在外壳体1内腔中,通过周向定位件2011限制静片201的周向运动以及径向移动。动片202通过限位件2024装配在外壳体1内腔的限位槽内。阀杆204端部插接或者螺纹连接至动片202的连接槽内。通过紧固件203装配压紧以限制动片202和静片201的轴向位置,通过阀杆204限制动片202的径向移动。通过密封环圈6支承静片201,根据上部紧固下压的紧固件203紧压面贴合动片202而导致的动片202下表面布设方向的微小变化,密封环圈6的弹性支撑作用自动的适应动片202的该微小变化并及时协调和校正静片201上表面的布设状态,使得紧固件203与动片202始终保持面贴合结合紧密配合以及静片201与动片202始终保持面贴合结合紧密配合,从而保证动片202上下表面的动态密封的密封效果。当紧固件203与动片202之间以及静片201与动片202之间经过长时间转动配合而发生摩擦磨损后,利用密封环圈6的弹性支撑作用,迫使动片202始终紧密面贴附于紧固件203下表面以及静片201始终紧密面贴附于动片202表面上,使得静片201与动片202之间以及动片202与紧固件203之间不会随着制造精度、装配精度稳定、使用磨损等问题而导致动片202上下表面的动态密封压紧贴合面分离,确保动态密封的稳定性和密封性,以延长动态密封的使用寿命。然后装配驱转机构3,从而形成完整的水龙头。In practice, a faucet is provided by sequentially assembling a sealing ring 6, a static piece 201, a moving piece 202, and a fastener 203 sheathed with a valve stem in the fitting opening 103 of the inner cavity of the outer casing 1. The static piece 201, the moving piece 202 and the valve stem 204 are assembled in position. The static piece 201 is fixedly positioned in the inner cavity of the outer casing 1 by the circumferential positioning member 2011, and the circumferential movement and radial movement of the static piece 201 are restricted by the circumferential positioning member 2011. The movable piece 202 is assembled in the limiting groove of the inner cavity of the outer casing 1 through the limiting member 2024. The valve stem 204 is inserted or threaded into the connecting groove of the rotor 202. The assembly is pressed by the fastener 203 to limit the axial position of the rotor 202 and the stator 201, and the radial movement of the rotor 202 is restricted by the valve stem 204. The static piece 201 is supported by the sealing ring 6, and the elastic support of the sealing ring 6 is slightly changed according to the direction in which the lower surface of the moving piece 202 is disposed according to the pressing portion 203 of the upper fastening and the pressing surface of the fastener 203. The small change of the automatic adapting piece 202 is applied and the state of the upper surface of the static piece 201 is coordinated and corrected in time, so that the fastener 203 and the moving piece 202 are always kept in close contact with each other and the static piece 201 and the moving piece 202 are maintained. The surface fit and tight fit are always maintained, thereby ensuring the dynamic sealing effect of the upper and lower surfaces of the movable piece 202. After frictional wear occurs between the fastener 203 and the rotor 202 and between the static plate 201 and the rotor 202 by a long time of rotation, the elastic support of the sealing ring 6 forces the rotor 202 to be closely attached. Attached to the lower surface of the fastener 203 and the static sheet 201 is always closely attached to the surface of the movable piece 202, so that the static piece 201 and the moving piece 202 and between the moving piece 202 and the fastener 203 are not manufactured. Accuracy, assembly accuracy, wear and other problems lead to the dynamic sealing of the upper and lower surfaces of the rotor 202 to separate the sealing surface to ensure the stability and sealing of the dynamic seal to extend the service life of the dynamic seal. The drive mechanism 3 is then assembled to form a complete faucet.
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员 来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

  1. 一种水龙头,包括外壳体(1),a faucet comprising an outer casing (1),
    所述外壳体(1)设有进水连接管口(101)、出水口(102)以及装配口(103),The outer casing (1) is provided with a water inlet connection nozzle (101), a water outlet (102) and a fitting opening (103).
    所述装配口(103)连通至所述进水连接管口(101)与所述出水口(102)之间的流通通道上,The assembly opening (103) is connected to a circulation passage between the water inlet connection port (101) and the water outlet (102),
    所述装配口(103)上装有用于调节控制从所述进水连接管口(101)流通至所述出水口(102)的水流量的控制机构(2),The assembly port (103) is provided with a control mechanism (2) for regulating the flow of water flowing from the inlet connection nozzle (101) to the water outlet (102),
    其特征在于,It is characterized in that
    所述控制机构(2)包括设于所述装配口(103)内腔底端并封盖在所述进水连接管口(101)与所述出水口(102)之间的流通通道上用于形成固定流通通道的静片(201)、面贴合密封压盖在所述静片(201)上用于形成活动流通通道并与所述静片(201)的固定流通通道转动配合以形成不同径向尺寸的流通通道控制水流流量的动片(202)、面贴合密封压盖在所述动片(202)上用于封闭所述装配口(103)并沿轴向固定定位所述动片(202)和所述静片(201)的紧固件(203)以及处于所述紧固件(203)与所述动片(202)的围合腔体内并连接所述动片(202)用于控制所述动片(202)转动调节和限制所述动片(202)径向移动的阀杆(204),The control mechanism (2) includes a bottom end of the inner cavity of the assembly opening (103) and is closed on a circulation passage between the water inlet connection port (101) and the water outlet (102). The static sheet (201) forming the fixed circulation passage, the surface-fitting sealing gland is formed on the static sheet (201) for forming an active circulation passage and is rotationally coupled with the fixed circulation passage of the static piece (201) to form a flow piece (202) for controlling the flow rate of the flow of the flow channels of different radial sizes, a face-fit seal gland on the movable piece (202) for closing the assembly opening (103) and fixedly positioning in the axial direction a movable piece (202) and a fastener (203) of the static piece (201) and in an enclosed cavity of the fastener (203) and the movable piece (202) and connected to the movable piece ( 202) a valve stem (204) for controlling rotation of the rotor (202) and restricting radial movement of the rotor (202),
    所述阀杆(204)的外伸端上设有用于驱动所述阀杆(204)转动的驱转机构(3)。The overhanging end of the valve stem (204) is provided with a drive mechanism (3) for driving the rotation of the valve stem (204).
  2. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述静片(201)封盖在所述出水口(102)的流通通道上,或者The static piece (201) is capped on the circulation passage of the water outlet (102), or
    所述静片(201)封盖在所述进水连接管口(101)的流通通道上.The static piece (201) is capped on the flow passage of the inlet connection nozzle (101).
  3. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述外壳体(1)的内壁面上设有至少一圈沿径向向内悬挑的悬挑台阶(104);The outer wall surface of the outer casing (1) is provided with at least one ring of cantilevered steps (104) that are radially inwardly cantilevered;
    所述静片(201)压盖于所述悬挑台阶(104)的环圈表面上,The static piece (201) is pressed over the surface of the loop of the cantilevered step (104),
    所述静片(201)与所述悬挑台阶(104)之间设有用于形成所述静片(201)与所述外壳体(1)之间压紧密封的密封槽(4)和密封圈(5):A sealing groove (4) and a seal for forming a compression seal between the static piece (201) and the outer casing (1) are provided between the static piece (201) and the overhanging step (104). Circle (5):
    所述静片(201)外侧壁上还设有用于所述静片(201)在所述外壳体(1)内腔中周向固定定位的周向定位件(2011)。The outer side wall of the static piece (201) is further provided with a circumferential positioning member (2011) for circumferentially fixing the static piece (201) in the inner cavity of the outer casing (1).
  4. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述外壳体(1)的内壁面上设有一圈沿径向向内悬挑的悬挑台阶(104):The inner wall surface of the outer casing (1) is provided with a ring of cantilevered steps (104) that are cantilevered radially inward:
    所述静片(201)通过用于所述静片(201)与所述外壳体(1)之间密封和缓冲上部压紧作用力的密封环圈(6)压盖于所述悬挑台阶(104)的环圈表面上,The static piece (201) is pressed over the cantilevered step by a sealing ring (6) for sealing and buffering an upper pressing force between the static piece (201) and the outer casing (1) (104) on the surface of the ring,
    所述密封环圈(6)夹持于所述静片(201)与所述悬挑台阶(104)之间并贴靠于所述外壳体(1)内腔侧壁面上;The sealing ring (6) is clamped between the static piece (201) and the cantilevered step (104) and abuts against the side wall surface of the inner casing of the outer casing (1);
    所述静片(201)外侧壁上还设有用于所述静片(201)在所述外壳体(1)内腔中周向固定定位的周向定位件(2011)。The outer side wall of the static piece (201) is further provided with a circumferential positioning member (2011) for circumferentially fixing the static piece (201) in the inner cavity of the outer casing (1).
  5. 根据权利要求4所述的水龙头,其特征在于,The faucet according to claim 4, characterized in that
    所述密封环圈(6)包括用于与所述静片(201)端面顶抵接触的第一端面以及用于与所述悬挑台阶(104)的环圈表面顶抵接触的第二端面,The seal ring (6) includes a first end face for abutting against an end surface of the static piece (201) and a second end face for abutting against a ring surface of the cantilever step (104) ,
    所述第一端面与所述第二端面构成一组相对夹持面;The first end surface and the second end surface form a set of opposing clamping faces;
    所述密封环圈(6)还包括用于与所述外壳体(1)内腔侧壁面接触的外侧面以及用于与进水流体接触承受水流压力并通过水流压力将所述密封环圈(6)沿径向压紧于所述外壳体(1)内腔侧壁面上的内环面,The seal ring (6) further includes an outer side surface for contacting the inner wall surface of the outer casing (1) and for contacting the influent fluid to withstand the water flow pressure and to press the seal ring by the water flow pressure ( 6) pressing radially against the inner annulus on the side wall of the inner cavity of the outer casing (1),
    所述外侧面与所述内环面构成一组由内向外的单向受力面。The outer side surface and the inner annular surface form a set of unidirectional force receiving surfaces from the inside to the outside.
  6. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述阀杆(204)与所述紧固件(203)内壁之间设有至少二层沿周向布置成环状并用于对所述阀杆(204)进行轴向运动限制和径向运动限制以保证所述阀杆(204)周向转动调节稳定性的定位环圈(7)。Between the valve stem (204) and the inner wall of the fastener (203), at least two layers are circumferentially arranged in a ring shape for axial movement restriction and radial movement of the valve stem (204). A positioning collar (7) is provided to ensure stability of the valve stem (204) in the circumferential direction.
  7. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述紧固件(203)包括用于封盖所述装配口(103)的密封盖(2031),The fastener (203) includes a sealing cover (2031) for covering the fitting opening (103),
    所述密封盖(2031)下部设有用于与所述动片(202)紧贴密封接触以将所述阀杆(204)封闭在所述紧固件(203)与所述动片(202)围合形成的腔体内并与所述装配口(103)紧固连接的密封部(2032),a lower portion of the sealing cover (2031) is provided for in close sealing contact with the moving piece (202) to enclose the valve stem (204) in the fastener (203) and the moving piece (202) a sealing portion (2032) enclosed in the cavity formed and fastened to the fitting opening (103),
    所述密封盖(2031)的上部设有用于所述密封部(2032)与所述外壳体(1)的所述装配口(103)连接时施力的施力部(2033),An upper portion of the sealing cover (2031) is provided with a biasing portion (2033) for applying a force when the sealing portion (2032) is coupled to the fitting opening (103) of the outer casing (1),
    所述紧固件(203)中部沿轴向开设有用于密封装配所述阀杆(204)的贯通孔(2034)。A through hole (2034) for sealingly fitting the valve stem (204) is axially opened in a middle portion of the fastener (203).
  8. 根据权利要求7所述的水龙头,其特征在于,The faucet according to claim 7, wherein
    所述紧固件(203)与所述外壳体(1)之间为紧固连接,a fastening connection between the fastener (203) and the outer casing (1),
    所述紧固件(203)与所述外壳体(1)内腔之间设有密封机构(8)。A sealing mechanism (8) is disposed between the fastener (203) and the inner cavity of the outer casing (1).
  9. 根据权利要求4所述的水龙头,其特征在于,The faucet according to claim 4, characterized in that
    所述静片(201)上开设有至少一个沿轴向贯通的固定流体通道,所述固定流体通道朝向所述外壳体(1)外的方向设置为外大内小的喇叭口(2012),所述固定流体通道朝向所述动片(202)的方向设置为与所述动片(202)的旋转密封面大小相匹配的匹配口 (2013),所述静片(201)具有用于与所述动片(202)紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流通通道的调节面以及用于与所述密封环圈(6)表面压紧密封配合的密封面;和/或The static piece (201) is provided with at least one fixed fluid passage extending in the axial direction, and the fixed fluid passage is disposed in a direction outward of the outer casing (1) as a small outer small bell mouth (2012). The fixed fluid passage is disposed toward the moving piece (202) in a matching port (2013) matching the size of the rotating sealing surface of the moving piece (202), and the static piece (201) has a The movable piece (202) is in close contact with the sealing fit and is rotationally fitted by the surface contact to close the fluid passage or the adjustment surface of the flow passage forming different radial sizes and for sealing and sealing with the surface of the sealing ring (6) Sealing surface; and/or
    所述动片(202)包括用于与所述紧固件(203)压紧贴合接触以封闭所述阀杆(204)所处腔体并与所述阀杆(204)连接以随所述阀杆(204)转动的密封段(2021)以及用于与所述静片(201)压紧贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段(2022),所述调节段(2022)的端面形状与所述静片(201)上的匹配口(2013)形状相匹配,所述调节段(2022)的转角部位和/或所述调节段(2022)与所述密封段(2021)之间的转角部位设有用于增加壁体强度的斜撑构造(2023),所述动片(202)的外侧壁面上设有用于与所述外壳体(1)内腔壁体配合以限制所述动片(202)周向转动范围的限位件(2024);所述动片(202)与所述阀杆(204)之间采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。The movable piece (202) includes a press-fit contact with the fastener (203) to close a cavity in which the valve stem (204) is located and is connected to the valve stem (204) for a sealing section (2021) for rotating the valve stem (204) and an adjustment section (2022) for pressing and sealing the sealing contact with the static piece (201) and rotatably engaging to form fluid passages of different radial dimensions, The shape of the end face of the adjustment section (2022) matches the shape of the matching port (2013) on the static piece (201), and the corner portion of the adjustment section (2022) and/or the adjustment section (2022) a corner portion between the sealing segments (2021) is provided with a diagonal strut structure (2023) for increasing the strength of the wall body, and an outer wall surface of the movable piece (202) is provided for being inside the outer casing (1) The cavity wall body cooperates to limit the range of the circumferential rotation of the rotor (202) (2024); the rotor (202) and the valve stem (204) are screwed, plugged, and carded At least one of joining, socketing, inserting, hot-melt welding, bonding.
  10. 根据权利要求1所述的水龙头,其特征在于,The faucet according to claim 1, wherein
    所述外壳体(1)、静片(201)、动片(202)、紧固件(203)、阀杆(204)、驱转机构(3)中的至少一个采用一体注塑成型的整体件,At least one of the outer casing (1), the static piece (201), the movable piece (202), the fastener (203), the valve stem (204), and the drive mechanism (3) is integrally molded by integral injection molding. ,
    所述整体件为陶瓷体、玻璃体、塑料体或金属体.The monolith is a ceramic body, a glass body, a plastic body or a metal body.
PCT/CN2018/000371 2017-10-26 2018-10-26 Faucet WO2019080364A1 (en)

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CN110925436A (en) * 2019-12-10 2020-03-27 浙江科博电器有限公司 Waste water ratio electromagnetic valve capable of manually adjusting waste water flow

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CN107575615B (en) * 2017-10-26 2024-05-28 新化县新园电子陶瓷有限公司 Water tap
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CN110925436A (en) * 2019-12-10 2020-03-27 浙江科博电器有限公司 Waste water ratio electromagnetic valve capable of manually adjusting waste water flow

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