CN211117739U

CN211117739U - Water quantity regulating valve

Info

Publication number: CN211117739U
Application number: CN201921805755.3U
Authority: CN
Inventors: 陆津生; 朱建荣; 唐文锋
Original assignee: Guangdong Amx Electric Appliances Co ltd
Current assignee: Guangdong Amx Electric Appliances Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-28
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a water regulating valve, include: the valve body, case and rotation adjustment mechanism, the valve body is equipped with two water holes of coaxial setting, be equipped with the cavity that is the sphere form in the valve body, two water holes communicate with each other through the cavity, the case is spherical structure, the case is installed in the cavity, the lateral wall of case and the inner wall sliding seal contact of cavity, the case is equipped with the axis of rotation that is extension from top to bottom, the first via hole of a pair of intercommunication and the second via hole of a pair of intercommunication, the axis of a pair of first via hole, the axis of a pair of second via hole, the axis of water hole, the axis of rotation all passes through the centre of sphere of case, the shortest straight-line distance on the case lateral wall between adjacent second via hole and the first via hole is less than the radius in water hole, rotation adjustment. During the regulation and rotation process of the valve core, the two water holes can be ensured to be communicated with each other through the pair of second through holes and/or the pair of first through holes, and the water quantity regulating valve is kept in a normally open state.

Description

Water quantity regulating valve

Technical Field

The utility model relates to the technical field of valves, in particular to water regulating valve.

Background

Water regulating valve is more commonly used in daily life, generally the end of intaking at water regulating valve generally is connected with the working shaft, when traditional water regulating valve transferred minimum flow, actually the water regulating valve was in the closed condition, and the working shaft is keeping the state at work, so can make the working shaft suppress pressure, correspond the force pump, cause the damage easily, be connected with the instrument at the end of going out simultaneously, if water regulating valve is in case closed, then the possibility of dry combustion method that the lack of water of instrument can cause.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water regulating valve to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

a water regulating valve comprising: the valve body is provided with two water holes which are coaxially arranged, the two water holes are respectively arranged at the left end and the right end of the valve body, a spherical cavity is arranged in the valve body, the two water holes are communicated through the cavity, the valve core is of a spherical structure and is arranged in the cavity, the outer side wall of the valve core is in sliding sealing contact with the inner wall of the cavity, the valve core is provided with a rotating axis which extends up and down, a pair of communicated first through holes and a pair of communicated second through holes, the pair of first through holes are coaxially arranged left and right, the pair of second through holes are coaxially arranged front and back, the axis of the pair of first through holes, the axis of the pair of second through holes, the axis of the water holes and the rotating axis all pass through the spherical center of the valve core, the shortest straight line distance between the adjacent second through holes and the first through holes on the outer side wall of the valve core, the rotation adjusting mechanism is in transmission connection with the valve core and can drive the valve core to rotate around the rotation axis.

The utility model has the advantages that: when the regulating reservoir, drive the case through rotating adjustment mechanism and revolute rotation axis rotation, because the shortest straight-line distance on the case lateral wall between adjacent second via hole and the first via hole is less than the radius of water hole, adjust pivoted in-process at the case, can ensure that two water holes communicate each other through a pair of second via hole and/or a pair of first via hole, keep the water regulation valve in the state of normally opening, prevent rivers from opening circuit, thereby avoid the water shortage of working pump pressure building or instrument to arouse the phenomenon of dry combustion method.

As a further improvement of the technical scheme, the inner ends of the two water holes are coaxially sleeved with an annular seal sleeve body, the inner peripheral side of the seal sleeve body is conical, the inner diameter of the seal sleeve body is gradually increased from the outer end to the inner end, the inner peripheral wall of the seal sleeve body is a spherical surface, the inner peripheral wall of the seal sleeve body is in sliding sealing contact with the outer side wall of the valve core, and the shortest straight-line distance between the adjacent second via hole and the first via hole on the outer side wall of the valve core is smaller than the minimum inner diameter of the seal sleeve body. The two seal sleeve bodies mainly improve the sealing performance between the valve core and the two water holes and improve the water quantity adjusting precision, the shortest straight-line distance between the adjacent second via hole and the first via hole on the outer side wall of the valve core is smaller than the minimum inner diameter of the seal sleeve body, the two water holes are guaranteed to be kept in a communicated state, and the seal sleeve bodies are generally made of sealing materials, such as rubber.

As a further improvement of the above technical solution, the directional device further comprises a directional mechanism, the directional mechanism comprises a directional sleeve connected with the left end of the valve body, the directional sleeve is communicated with the water hole at the left end, a sealing ring, a directional valve block and a positioning ring are sequentially arranged on the inner side of the directional sleeve from left to right, the sealing ring and the positioning ring are respectively and fixedly connected with the directional sleeve, the directional valve block comprises a sealing body in the shape of a round table and a cylindrical guide body, the sealing body and the guide body are coaxially connected from left to right, the outer diameter of the sealing body gradually decreases from left to right, the outer diameter of the left end of the sealing body is larger than the inner diameter of the sealing ring, the guide body is slidably sleeved in the positioning ring, the left end surface of the sealing body is in sealing contact with the right end surface of the sealing ring, a first water through groove extending from left to right is concavely arranged on the peripheral wall of the guide body, and the right, the periphery wall of seal is equipped with the second water trough that is extension about being concave, the left end of first water trough is connected with the right-hand member of second water trough, the left end of second water trough is the shutoff setting. The directional mechanism mainly realizes the function of one-way circulation, generally, a water hole at the right end is communicated with an external terminal, a water hole at the left end is communicated with a water supply starting end, when water is supplied, the water flows from left to right, the sealing body is pushed to move right under the sliding guide of the guide body and the positioning ring, the left end surface of the sealing body is separated from the right end surface of the sealing ring, and the water sequentially flows from left to right, passes through a gap between the sealing body and the sealing ring, the second water through groove and the first water through groove and enters the water hole at the left end; when not needing to supply water, if water backward flow, both be water from the right side to left flow, under the slip guidance of guide body and holding ring, rivers are to left extrusion seal, make the left end face of seal and the right-hand member face of sealing ring keep sealing contact, and water can not flow back, realizes the work of one-way circulation.

As above-mentioned technical scheme's further improvement directional valve piece is still including being discoid sealed dish, the left end face coaxial coupling of sealed dish and seal, but sealed dish slidable cover is located in the directional sleeve, the seal passes through sealed dish and sealing ring sealing contact, the recessed third through-channel that is through-going about being that is of periphery wall of sealed dish, the sealing ring shutoff the left end in third through-channel. The seal accessible seals dish and directional sleeve realizes sliding, realizes the circulation of water through the third water trough, and the seal realizes sealing contact through sealed dish and sealing ring.

As a further improvement of the technical scheme, the right end of the directional sleeve is in threaded connection with the left end of the valve body, the left end of the directional sleeve is in threaded connection with a first joint, the right end of the valve body is connected with a first connecting sleeve communicated with a water hole at the right end, and the right end of the first connecting sleeve is in threaded connection with a second joint. Can be connected with the outside test tube through first joint, second joint respectively.

As a further improvement of the technical scheme, the upper end of the valve body is connected with a second connecting sleeve which is coaxial with the rotating axis, the second connecting sleeve is communicated with the cavity, the rotating adjusting mechanism comprises a shaft core and a positioning sleeve, the positioning sleeve is fixedly sleeved in the second connecting sleeve, the shaft core is rotatably sleeved in the positioning sleeve, and the lower end of the shaft core is connected with the upper end of the valve core. When adjusting water flow, the accessible drives the case and rotates through rotating the axle core.

As a further improvement of the technical scheme, a first clamping block is arranged at the lower end of the shaft core, a first clamping groove is formed in the upper end of the valve core, the shaft core is clamped with the first clamping groove through the first clamping block, an annular positioning step is arranged at the upper end opening of the positioning sleeve, and the positioning step is abutted to the upper end of the shaft core. The rotating shaft core is connected with the valve core in a mode that the first clamping block is clamped with the first clamping groove.

As a further improvement of the technical scheme, a first sealing ring is sleeved between the outer side wall of the shaft core and the inner side wall of the positioning sleeve, and a second sealing ring is sleeved between the outer side wall of the positioning sleeve and the inner side wall of the second connecting sleeve. This prevents mainly the entry of other fluids into the interior and also the seepage of water.

As a further improvement of the above technical solution, the rotation adjusting mechanism further includes a rotation key, the rotation key is provided with a cylindrical insertion block, a second clamping groove is formed in an end surface of the insertion block, a second clamping block matched with the second clamping groove is arranged at the upper end of the shaft core, an installation nut sleeve is connected to an outer side wall of the second connecting sleeve in a threaded manner, an upper end of the installation nut sleeve extends upward to a position above the second clamping block, and an inner diameter of the installation nut sleeve is smaller than an outer diameter of the insertion block. Through the cooperation of rotating key and second fixture block, when the regulating pondage, can only control through rotating the key, avoid the mistake to bump or other personnel in disorder regulating pondage, the upper end of installation nut cover up extends to the top of second fixture block, plays the effect that the protection sheltered from to the axle core.

As a further improvement of the technical scheme, a gasket is sleeved between the lower end of the mounting nut sleeve and the second connecting sleeve. When the water quantity regulating valve is used, the water quantity regulating valve is required to be installed on the water tank cover, when the water tank is installed, the second connecting sleeve stretches out of the installation hole from the inside to the outside, the nut sleeve is connected with the second connecting sleeve in a threaded mode through the installation nut, and the nut sleeve is installed to abut against the water tank cover through the gasket and the hidden installation of the water quantity regulating valve.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic view of the water control valve of the present invention;

fig. 2 is a sectional view of the water quantity regulating valve of the present invention at the time of installation;

FIG. 3 is a partial enlarged view A of FIG. 2;

fig. 4 is a schematic structural diagram of the valve cartridge of the present invention;

fig. 5 is a schematic structural diagram of the directional valve block of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and more than, less than, more than, etc. are understood as not including the number, and more than, less than, etc. are understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the water regulating valve of the present invention is made as follows:

a water quantity regulating valve is disclosed, as shown in fig. 1 and fig. 2, comprising a valve body 100, a valve core 200 and a rotation regulating mechanism, as shown in fig. 4, the valve body 100 is provided with two water holes 110 which are coaxially arranged, the two water holes 110 are respectively arranged at the left end and the right end of the valve body 100, as shown in fig. 3, a spherical cavity 120 is arranged in the valve body 100, the two water holes 110 are communicated with each other through the cavity 120, the valve core 200 is in a spherical structure, the valve core 200 is arranged in the cavity 120, the outer side wall of the valve core 200 is in sliding sealing contact with the inner wall of the cavity 120, the valve core 200 is provided with a rotation axis which extends up and down, a pair of communicated first through holes 210 and a pair of communicated second through holes 220, the pair of first through holes 210 are coaxially arranged left and right, the pair of second through holes 220 are coaxially arranged front and back, the axes of the pair, The rotation axes all pass through the spherical center of the valve core 200, the shortest straight line distance between the adjacent second through holes 220 and the first through holes 210 on the outer side wall of the valve core 200 is smaller than the radius of the water hole 110, the rotation adjusting mechanism is in transmission connection with the valve core 200 and can drive the valve core 200 to rotate around the rotation axes, in some embodiments, the diameters of the first through holes and the second through holes are not equal, the water quantity adjusting range is mainly improved, and the shortest straight line distance between the adjacent second through holes 220 and the first through holes 210 on the outer side wall of the valve core 200 is mainly ensured to be smaller than the radius of the water hole 110.

When the water quantity is regulated, the rotation regulating mechanism drives the valve core 200 to rotate around the rotation axis, and because the shortest straight line distance between the adjacent second through hole 220 and the first through hole 210 on the outer side wall of the valve core 200 is smaller than the radius of the water hole 110, in the process of regulating the rotation of the valve core 200, the two water holes 110 can be ensured to be mutually communicated through the pair of second through holes 220 and/or the pair of first through holes 210, the water quantity regulating valve is kept in a normally open state, the water flow is prevented from being broken, and the phenomenon that the water supply pump is subjected to pressure building or the instrument is lack of water to cause dry burning is avoided.

In some embodiments, the inner ends of the two water holes 110 are coaxially sleeved with an annular gland body 130, the inner peripheral side of the gland body 130 is tapered, the inner diameter of the gland body 130 gradually increases from the outer end to the inner end, the inner peripheral wall of the gland body 130 is a spherical surface, the inner peripheral wall of the gland body 130 is in sliding sealing contact with the outer side wall of the valve element 200, and the shortest straight-line distance between the adjacent second via hole 220 and the first via hole 210 on the outer side wall of the valve element 200 is smaller than the smallest inner diameter of the gland body 130. The two sealing sleeve bodies 130 mainly improve the sealing performance between the valve core 200 and the two water holes 110 and improve the water quantity adjusting precision, the shortest straight-line distance between the adjacent second through hole 220 and the first through hole 210 on the outer side wall of the valve core 200 is smaller than the minimum inner diameter of the sealing sleeve body 130, so that the two water holes 110 are kept in a communicated state, and the sealing sleeve body 130 is generally made of sealing materials such as rubber.

In some embodiments, the water quantity regulating valve further comprises an orientation mechanism, the orientation mechanism comprises an orientation sleeve 300 connected with the left end of the valve body 100, the orientation sleeve 300 is communicated with the water hole 110 at the left end, a sealing ring 310, an orientation valve block 320 and a positioning ring 330 are sequentially arranged on the inner side of the orientation sleeve 300 from left to right, the sealing ring 310 and the positioning ring 330 are respectively and fixedly connected with the orientation sleeve 300, as shown in fig. 5, the orientation valve block 320 comprises a sealing body 321 in a truncated cone shape and a cylindrical guide body 322, the sealing body 321 is coaxially connected with the guide body 322 from left to right, the outer diameter of the sealing body 321 gradually decreases from left to right, the outer diameter of the left end of the sealing body 321 is larger than the inner diameter of the sealing ring 310, the guide body 322 is slidably sleeved in the positioning ring 330, and the left end face of the sealing body 321 is in sealing contact with the, a first water passage groove 323 extending in the left-right direction is recessed in the outer peripheral wall of the guide body 322, the right end of the first water passage groove 323 extends to the right end face of the guide body 322, a second water passage groove 324 extending in the left-right direction is recessed in the outer peripheral wall of the seal body 321, the left end of the first water passage groove 323 is connected to the right end of the second water passage groove 324, and the left end of the second water passage groove 324 is closed. The orienting mechanism mainly realizes the function of one-way circulation, generally, the water hole 110 at the right end is communicated with the external terminal, the water hole 110 at the left end is communicated with the water supply starting end, when water is supplied, the water flows from left to right, the sealing body 321 is pushed to move right under the sliding guide of the guide body 322 and the positioning ring 330, the left end surface of the sealing body 321 is separated from the right end surface of the sealing ring 310, and the water sequentially passes through the gap between the sealing body 321 and the sealing ring 310, the second water passing groove 324 and the first water passing groove 323 from left to right and enters the water hole 110 at the left end; when water supply is not needed, if water flows back, water flows from the right to the left, the sealing body 321 is extruded by water flow towards the left under the sliding guide of the guide body 322 and the positioning ring 330, the left end face of the sealing body 321 is in sealing contact with the right end face of the sealing ring 310, water cannot flow back, one-way circulation is achieved, meanwhile, the second water passing grooves 324 and the first water passing grooves 323 can be arranged in a plurality, and the circulation area is increased.

Further, directional valve piece 320 is still including being discoid sealed dish 325, sealed dish 325 and the left end face coaxial coupling of seal 321, sealed dish 325 slidable cover is located in directional sleeve 300, seal 321 is through sealed dish 325 and sealing ring 310 sealing contact, the concave third through-hole basin 326 that link up about being of peripheral wall of sealed dish 325, sealing ring 310 shutoff the left end of third through-hole basin 326. The sealing body 321 can slide with the directional sleeve 300 through the sealing plate 325, the water can circulate through the third water communication groove 326, and the sealing body 321 can be in sealing contact with the sealing ring 310 through the sealing plate 325. The number of the third water passing grooves 326 may be plural, as required.

In some embodiments, the right end of the directional sleeve 300 is threadedly coupled to the left end of the valve body 100, the left end of the directional sleeve 300 is threadedly coupled to the first connector 340, the right end of the valve body 100 is coupled to the first connection sleeve 140 communicating with the water hole 110 at the right end, and the right end of the first connection sleeve 140 is threadedly coupled to the second connector 141. The test tube can be connected with an external test tube through the first connector 340 and the second connector 141 respectively.

In some embodiments, a second connection sleeve 150 is connected to the upper end of the valve body 100, the second connection sleeve 150 is coaxially disposed with the rotation axis, the second connection sleeve 150 is communicated with the chamber 120, the rotation adjusting mechanism includes a shaft core 400 and a positioning sleeve 410, the positioning sleeve 410 is fixedly sleeved in the second connection sleeve 150, the shaft core 400 is rotatably sleeved in the positioning sleeve 410, and the lower end of the shaft core 400 is connected to the upper end of the valve core 200. When adjusting the water flow, the valve core 200 can be driven to rotate by rotating the shaft core 400.

In some embodiments, a first detent 420 is disposed at a lower end of the shaft core 400, a first detent groove 230 is disposed at an upper end of the valve core 200, the shaft core 400 is clamped with the first detent groove 230 through the first detent 420, an annular positioning step 411 is disposed at an upper port of the positioning sleeve 410, and the positioning step 411 abuts against the upper end of the shaft core 400. The rotary shaft core 400 is coupled to the valve body 200 by engaging the first latch 420 with the first latch groove 230.

In some embodiments, a first sealing ring 430 is disposed between the outer sidewall of the shaft core 400 and the inner sidewall of the positioning sleeve 410, and a second sealing ring 440 is disposed between the outer sidewall of the positioning sleeve 410 and the inner sidewall of the second connecting sleeve 150. This can prevent other fluids from entering the inside and water from leaking out, and the first and

second sealing rings

430 and 440 may be provided in plurality.

In some embodiments, the rotation adjusting mechanism further includes a rotation key 450, the rotation key 450 is provided with a cylindrical insertion block 451, a second locking groove is formed on an end surface of the insertion block 451, a second locking block 460 matched with the second locking groove is formed at an upper end of the shaft core 400, an outer side wall of the second connection sleeve 150 is in threaded connection with a mounting nut sleeve 470, an upper end of the mounting nut sleeve 470 extends upward above the second locking block 460, and an inner diameter of the mounting nut sleeve 470 is smaller than an outer diameter of the insertion block 451. Through the cooperation of rotating key 450 and second fixture block 460, when adjusting the water yield, can only control through rotating key 450, avoid the mistake to bump or other personnel adjust the water yield in disorder, the upper end of installation nut cover 470 upwards extends to the top of second fixture block 460, plays the effect that the protection sheltered from to axle core 400.

In some embodiments, a washer 471 is sleeved between the lower end of the mounting nut sleeve 470 and the second coupling sleeve 150. When the water quantity regulating valve is used, the water quantity regulating valve is required to be installed on the water tank cover, when the water tank is installed, the installation hole is formed in the water tank cover, the second connecting sleeve 150 extends out of the installation hole from inside to outside, the mounting nut sleeve 470 is in threaded connection with the second connecting sleeve 150, and meanwhile the mounting nut sleeve 470 is abutted to the water tank cover through the gasket 471, so that the hidden installation of the water quantity regulating valve is realized.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A water quantity regulating valve is characterized in that: the method comprises the following steps:

the water-saving valve comprises a valve body (100), wherein the valve body (100) is provided with two water holes (110) which are coaxially arranged, the two water holes (110) are respectively arranged at the left end and the right end of the valve body (100), a spherical cavity (120) is arranged in the valve body (100), and the two water holes (110) are communicated through the cavity (120);

the valve core (200) is of a spherical structure, the valve core (200) is installed in the cavity (120), the outer side wall of the valve core (200) is in sliding sealing contact with the inner wall of the cavity (120), the valve core (200) is provided with a rotation axis extending up and down, a pair of communicated first through holes (210) and a pair of communicated second through holes (220), the pair of first through holes (210) are coaxially arranged left and right, the pair of second through holes (220) are coaxially arranged front and back, the axes of the pair of first through holes (210), the axes of the pair of second through holes (220), the axes of the water holes (110) and the rotation axis all pass through the spherical center of the valve core (200), and the shortest straight line distance between the adjacent second through holes (220) and the first through holes (210) on the outer side wall of the valve core (200) is smaller than the radius of the water holes (110;

the rotary adjusting mechanism is in transmission connection with the valve core (200), and can drive the valve core (200) to rotate around a rotary axis.

2. A water quantity regulating valve in accordance with claim 1, characterized in that: the inner of two water holes (110) all the coaxial cover be equipped with annular seal cover body (130), the inner peripheral side of seal cover body (130) is the taper, the internal diameter of seal cover body (130) is crescent from the outer end toward the inner, the internal perisporium of seal cover body (130) is the sphere, the internal perisporium of seal cover body (130) and the lateral wall sliding seal contact of case (200), the shortest straight-line distance between adjacent second via hole (220) and first via hole (210) on case (200) lateral wall is less than the minimum internal diameter of seal cover body (130).

3. A water quantity regulating valve in accordance with claim 1, characterized in that: still include orienting mechanism, orienting mechanism includes directional sleeve (300) be connected with valve body (100) left end, directional sleeve (300) and water hole (110) intercommunication that are in the left end turn right from a left side and be equipped with sealing ring (310), directional valve piece (320), holding ring (330) in proper order directional sleeve (300) inboard, sealing ring (310), holding ring (330) respectively with directional sleeve (300) fixed connection, directional valve piece (320) including be round platform form sealing body (321), be cylindric guide body (322), coaxial coupling about sealing body (321) and guide body (322) are, the external diameter of sealing body (321) turns right from a left side and diminishes gradually, the external diameter of sealing body (321) left end is greater than the internal diameter of sealing ring (310), guide body (322) slidable cover is located holding ring (330), the left end face of sealing contact with the right end face of sealing ring (310) of sealing body (321), the sealing structure is characterized in that a first water passing groove (323) extending leftwards and rightwards is formed in the peripheral wall of the guide body (322) in a concave mode, the right end of the first water passing groove (323) extends to the right end face of the guide body (322), a second water passing groove (324) extending leftwards and rightwards is formed in the peripheral wall of the sealing body (321) in a concave mode, the left end of the first water passing groove (323) is connected with the right end of the second water passing groove (324), and the left end of the second water passing groove (324) is arranged in a sealing mode.

4. A water quantity regulating valve in accordance with claim 3, characterized in that: directional valve piece (320) still including being discoid sealed dish (325), sealed dish (325) and the left end face coaxial coupling of seal (321), sealed dish (325) slidable cover is located in directional sleeve (300), seal (321) are through sealed dish (325) and sealing ring (310) sealing contact, the concave third through basin (326) that link up about being that is equipped with of peripheral wall of sealed dish (325), sealing ring (310) shutoff the left end of third through basin (326).

5. A water quantity regulating valve in accordance with claim 3, characterized in that: the right-hand member of directional sleeve (300) and the left end threaded connection of valve body (100) the left end threaded connection of directional sleeve (300) has first joint (340) the right-hand member of valve body (100) is connected with and is in first connecting sleeve (140) of water hole (110) intercommunication of right-hand member, the right-hand member threaded connection of first connecting sleeve (140) has second joint (141).

6. A water quantity regulating valve in accordance with claim 1, characterized in that: the upper end of the valve body (100) is connected with a second connecting sleeve (150) which is coaxial with the rotating axis, the second connecting sleeve (150) is communicated with the cavity (120), the rotating adjusting mechanism comprises a shaft core (400) and a positioning sleeve (410), the positioning sleeve (410) is fixedly sleeved in the second connecting sleeve (150), the shaft core (400) is rotatably sleeved in the positioning sleeve (410), and the lower end of the shaft core (400) is connected with the upper end of the valve core (200).

7. A water quantity regulating valve in accordance with claim 6, wherein: the lower extreme of axle core (400) is equipped with first fixture block (420), the upper end of case (200) is equipped with first draw-in groove (230), axle core (400) is through first fixture block (420) and first draw-in groove (230) joint the last port of position sleeve (410) is equipped with annular location step (411), location step (411) and the upper end butt of axle core (400).

8. A water quantity regulating valve in accordance with claim 6, wherein: a first sealing ring (430) is sleeved between the outer side wall of the shaft core (400) and the inner side wall of the positioning sleeve (410), and a second sealing ring (440) is sleeved between the outer side wall of the positioning sleeve (410) and the inner side wall of the second connecting sleeve (150).

9. A water quantity regulating valve in accordance with claim 6, wherein: the rotation adjusting mechanism further comprises a rotation key (450), the rotation key (450) is provided with a cylindrical insertion block (451), a second clamping groove is formed in the end face of the insertion block (451), a second clamping block (460) matched with the second clamping groove is arranged at the upper end of the shaft core (400), an installation nut sleeve (470) is connected to the outer side wall of the second connecting sleeve (150) in a threaded mode, the upper end of the installation nut sleeve (470) extends upwards to the upper portion of the second clamping block (460), and the inner diameter of the installation nut sleeve (470) is smaller than the outer diameter of the insertion block (451).

10. A water regulating valve as defined in claim 9, wherein: and a gasket (471) is sleeved between the lower end of the mounting nut sleeve (470) and the second connecting sleeve (150).