CN114877084B - Sanitary butterfly valve convenient to wash - Google Patents
Sanitary butterfly valve convenient to wash Download PDFInfo
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- CN114877084B CN114877084B CN202210574865.3A CN202210574865A CN114877084B CN 114877084 B CN114877084 B CN 114877084B CN 202210574865 A CN202210574865 A CN 202210574865A CN 114877084 B CN114877084 B CN 114877084B
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- valve
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- sealing
- rotary
- sanitary
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- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a sanitary butterfly valve convenient to clean, which comprises a valve body, a valve plate, a valve rod and a rotation actuator, wherein the valve plate is arranged in the valve body, the upper end of the valve plate is fixedly connected with the rotation actuator outside the valve body through the valve rod, a rotation cavity is arranged in the valve body, an inlet and an outlet are respectively arranged at the left end and the right end of the rotation cavity, a rotation body valve core is arranged in the rotation cavity, a valve hole which is transversely penetrated is arranged on the side wall of the rotation body valve core, the valve plate is arranged in the valve hole in a sealing rotation manner, an external interface is arranged in the front-rear direction of the rotation cavity, when two ends of the valve hole are respectively communicated with the inlet and the outlet, the rotation body valve core closes the external interface, and when the rotation body valve core closes the inlet and the outlet, the external interface is connected with the valve hole, and a worker can clean or replace the valve plate through the external interface, so that the cleaning efficiency of the valve is improved, and the cost of valve maintenance is effectively reduced.
Description
Technical Field
The invention relates to a butterfly valve, in particular to a sanitary butterfly valve convenient to clean.
Background
The key components of the sanitary butterfly valve are required to be subjected to high-standard polishing treatment, so that smooth surfaces are ensured to be clean, no medium accumulation area exists, and potential pollution is avoided. The butterfly valve is widely applied to the fields of beer, beverage, dairy products, fruit juice, pharmacy, bioengineering and the like.
However, the existing butterfly valve still has the defects in the use process; 1. because the valve body inserts the pipeline, the clearance of valve plate and change need dismantle flange department, and is very inconvenient, 2, current some butterfly valves are after opening, and the circumstances that the medium in the pipeline takes place local refluence easily, uncontrollable, after the valve plate wearing and tearing or after long-time use moreover, it is difficult to wash to remain the medium of expiration on it easily, breeds the bacterium easily. 3. Butterfly valves generally control only one line, and complex control of two lines is not easily achieved.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a sanitary butterfly valve which is convenient to clean and can clean a valve plate without disassembling a valve body.
The invention solves the technical problems by adopting the technical scheme that: the utility model provides a sanitary butterfly valve convenient to wash, includes valve body, valve plate, valve rod and rotation executor, the valve plate sets up in the valve body, and the upper end of valve plate carries out fixed connection through the rotation executor outside valve rod and the valve body, be equipped with the gyration chamber in the valve body, both ends are equipped with import and export respectively about the gyration chamber, install the gyration case in the gyration chamber, be equipped with the valve opening that transversely link up on the lateral wall of gyration case, install in the valve opening sealed rotation the valve plate, the top of gyration case is equipped with the confession the vertical through-hole that the valve rod passed, vertical through-hole is linked together with the valve opening, the bottom fixedly connected with revolution axis of gyration case, the revolution axis is connected with the rotary driving mechanism who sets up in the valve body bottom, be equipped with the external connection in the fore-and-aft direction of gyration chamber, when the both ends of valve opening are linked together with import and export respectively, the external connection is closed to the gyration case, when the gyration case is closed import and export.
In order to further improve, the shape of the rotary body valve core is spherical and is formed by fixedly connecting a left sphere and a right sphere, and sealing rubber strips are arranged between the end faces of the joints of the left sphere and the right sphere.
Further perfecting, the left ball body and the right ball body are provided with elastic fixing sealing belts outside the joints, bayonets are arranged on the inner sides of the elastic fixing sealing belts, the left ball body and the right ball body are respectively provided with left convex blocks and right convex blocks on two sides of the joints, and the left convex blocks and the right convex blocks are matched and then are in buckling connection with the bayonets.
Further perfecting, the upper and lower parts of the rotary body valve core are respectively provided with a sealing hoop, and the upper and lower ends of the elastic fixed sealing belt are respectively and fixedly connected with the two sealing hoops.
Further perfecting, rotary driving mechanism includes reducing gear box and motor, be equipped with in the reducing gear box with the sun gear of swivel joint axle fixed connection, the meshing is connected with a plurality of planetary gear around the sun gear, and planetary gear rotates to be installed in the valve body bottom, and the meshing is connected with the outer ring gear on the planetary gear, and outer ring gear fixed connection worm wheel, worm wheel meshing connection worm, worm and motor's output fixed connection, be equipped with angle sensor on the swivel joint axle, angle sensor and motor electric connection.
Further perfecting, one end of the valve hole is provided with a check valve.
Further perfecting, the check valve comprises a valve clack and a pin, the upper end of the valve clack is rotationally connected with the side wall of the pin, an inclined sealing surface which is in sealing fit with the valve clack is arranged on the valve hole, the inner end of the pin is in plug-in fit with a pin hole which is arranged at the upper end of the inclined sealing surface, and an arc-shaped elastic rod is arranged between the outer end of the pin and the valve clack.
Further perfects, be equipped with seal assembly between valve rod and the vertical through-hole, seal assembly includes fixed disk, compression spring, stirring gear, pressure disk and the elastic sealing filler that set gradually from last down, fixed disk and valve rod fixed connection, stirring gear and valve rod axial sliding connection, be threaded connection between pressure disk and the vertical through-hole, the up end of pressure disk is equipped with and stirs gear matched with ratchet ring.
Further perfecting, the outer interface is provided with a glass observation window and an ultraviolet sterilizing lamp.
Further perfecting, the outer interface is provided with an ultrasonic cleaner, a drain valve and a feed valve.
The beneficial effects of the invention are as follows: the valve plate is provided with the valve hole for installing the valve plate, the valve hole is formed in the valve plate, when two ends of the valve hole are respectively communicated with the inlet and the outlet, the valve plate normally performs opening and closing control on the valve plate by closing the outer interface, and when the valve plate needs to be cleaned, only the valve plate is rotated to close the inlet and the outlet, so that the outer interface is connected with the valve hole, a worker can clean or replace the valve plate through the outer interface, the sanitation of the valve is improved, the problem that the whole valve needs to be disassembled when the valve plate is cleaned by a traditional butterfly valve is solved, the cleaning efficiency of the valve is improved, and the maintenance cost of the valve is effectively reduced. The butterfly valve can be connected with other pipelines, such as a cleaning pipeline or other medium conveying pipelines, through an external interface so as to realize linkage control of the two pipelines.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a seal assembly;
Reference numerals illustrate: 1. valve body, 11, swivel chamber, 12, inlet, 13, outlet, 14, outer interface, 2, valve plate, 3, valve rod, 4, rotary actuator, 5, swivel valve core, 51, valve hole, 52, vertical through hole, 53, swivel shaft, 54, joint strip, 55, seal hoop, 56, inclined sealing surface, 57, pin hole, 6, rotary driving mechanism, 61, reduction gearbox, 62, sun gear, 63, planetary gear, 64, outer gear ring, 65, worm wheel, 66, worm, 67, angle sensor, 7, check valve, 71, valve clack, 72, pin, 73, arc spring rod, 8, seal assembly, 81, fixed disk, 82, pressure spring, 83, toggle gear, 84, pressure plate, 85, ratchet ring, 86, elastic sealing filler.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
Referring to fig. 1: the sanitary butterfly valve convenient to wash comprises a valve body 1, a valve plate 2, a valve rod 3 and a rotation actuator 4, wherein the valve plate 2 is arranged in the valve body 1, the upper end of the valve plate 2 is fixedly connected with the rotation actuator 4 outside the valve body 1 through the valve rod 3, a rotary cavity 11 is arranged in the valve body 1, an inlet 12 and an outlet 13 are respectively arranged at the left end and the right end of the rotary cavity 11, a rotary body valve core 5 is arranged in the rotary cavity 11, a valve hole 51 which is transversely communicated is arranged on the side wall of the rotary body valve core 5, the valve plate 2 is arranged in the valve hole 51 in a sealing and rotating manner, a vertical through hole 52 for the valve rod 3 to pass through is arranged at the top of the rotary body valve core 5, the vertical through hole 52 is communicated with the valve hole 51, a rotary shaft 53 is fixedly connected to the bottom of the rotary body valve core 5, an external interface is arranged in the front-back direction of the rotary cavity 11, and when the two ends of the valve hole 51 are respectively communicated with the inlet 12 and the outlet 13, the rotary body 5 closes the external interface, and when the valve core 5 closes the inlet 12 and the outlet 13, the valve core 51 is connected with the external interface.
Through adopting above-mentioned technical scheme, under normal operating condition, fluid medium flows in from import 12, flows from export 13 after passing through valve opening 51, and the staff carries out 0-90 degrees rotation control to valve plate 2 through rotating actuator 4 according to actual need to realize opening and close and aperture adjustment to the butterfly valve, realize the flow control to the medium through the butterfly valve. After the butterfly valve is used for a long time, impurities are easy to accumulate on the surface of the valve plate 2, bacteria are bred, at the moment, the rotary driving mechanism 6 can be started to drive the rotary body valve core 5 to rotate 90 degrees, the valve hole 51 is communicated with the outer interface 14 when the inlet 12 and the outlet 13 are closed, and the valve plate 2 can be directly cleaned through the outer interface 14 without disassembling the valve body 1. The external interface 14 may also be provided with a glass viewing window and an ultraviolet germicidal lamp. The glass observation window can facilitate the naked eyes of staff to observe the sanitary condition and damage condition of the valve plate 2. The ultraviolet sterilizing lamp can sterilize and disinfect the surface of the valve plate 2, and the sanitation of the surface of the valve plate 2 is improved. In addition, the outer port 14 is provided with an ultrasonic cleaner, a drain valve and a feed valve. The cleaning liquid can be filled into the feeding valve, then an ultrasonic cleaner is started to clean the surface of the valve plate 2 by ultrasonic waves, stubborn stains are removed, sewage is discharged through the drain valve after cleaning is finished, finally the rotary driving mechanism 6 drives the rotary body valve core 5 to rotate for 90 DEG for resetting, the rotary body valve core 5 closes the external interface, two ends of the valve hole 51 are communicated with the inlet 12 and the outlet 13 again, and the butterfly valve is continuously used normally.
The shape of the revolving body valve core 5 is spherical and is formed by fixedly connecting a left sphere and a right sphere, so that the processing and manufacturing cost can be reduced, and the sealing rubber strips 54 are arranged between the joint end surfaces of the left sphere and the right sphere, so that the sealing performance between the left sphere and the right sphere can be enhanced.
The left ball body and the right ball body are provided with the elastic fixing sealing band outside the joint, the sealing performance between the left ball body and the right ball body can be improved in one step, the inner side of the elastic fixing sealing band is provided with the bayonet, the left ball body and the right ball body are respectively provided with the left convex block and the right convex block on two sides of the joint, the left convex block and the right convex block are matched and then are connected with the bayonet in a buckling way, and the left ball body and the right ball body can be connected more tightly.
The upper and lower parts of the revolving body valve core 5 are respectively provided with a sealing hoop 55, the sealing hoops 55 not only can fix a left sphere and a right sphere, but also can enhance the sealing performance between the revolving body valve core 5 and the valve body 1, and the upper and lower ends of the elastic fixing sealing band are respectively fixedly connected with the two sealing hoops 55, so that the overall sealing of the joints of the left sphere and the right sphere can be realized.
The rotary driving mechanism 6 comprises a reduction gearbox 61 and a motor, a sun gear 62 fixedly connected with a rotary shaft 53 is arranged in the reduction gearbox 61, a plurality of planetary gears 63 are connected around the sun gear 62 in a meshed mode, the planetary gears 63 are rotatably arranged at the bottom of the valve body, an outer gear ring 64 is connected to the planetary gears 63 in a meshed mode, a worm wheel 65 is fixedly connected to the outer gear ring 64, a worm 66 is connected to the worm wheel 65 in a meshed mode, the worm 66 is fixedly connected with the output end of the motor, an angle sensor 67 is arranged on the rotary shaft 53, and the angle sensor 67 is electrically connected with the motor. The motor carries out primary speed reduction through the worm gear mechanism, then carries out secondary speed reduction through the planetary gear mechanism, can improve the moment of torsion to the revolution solid valve core 5, easily realizes 0-360 degrees rotations to revolution solid valve core 5, and angle sensor 67 can adjust the rotation angle of revolution solid valve core 5 to the rotation of revolution solid valve core 5, and the feedback control motor improves the rotation precision of revolution solid valve core 5.
One end of the valve hole 51 is provided with a check valve 7. The check valve 7 can enable the medium in the pipeline to flow unidirectionally, so that the medium flows more stably, the condition that the medium locally flows backwards is not easy to happen, and the valve plate is not easy to wear and the expired medium is not easy to remain. The check valve 7 can rotate along with the revolving body valve core 5, so that the unidirectional flow direction of the medium is changed. The check valve 7 comprises a valve clack 71 and a pin 72, the upper end of the valve clack 71 is rotationally connected with the side wall of the pin 72, the valve hole 51 is provided with an inclined sealing surface 56 which is in sealing fit with the valve clack 71, the inner end of the pin 72 is in plug-in fit with a pin hole 57 which is arranged at the upper end of the inclined sealing surface 56, and an arc-shaped elastic rod 73 is arranged between the outer end of the pin 72 and the valve clack 71. When the medium in the valve hole 51 flows forward, the valve clack 71 rotates upwards to open and separate from the inclined sealing surface 56, so that the fluid can normally flow through the valve hole 51, and when the fluid flows reversely or stops flowing, the valve clack 71 rotates downwards under the action of gravity and the elastic force of the arc elastic rod 73 to close the valve hole 51, so that the medium is prevented from flowing back, and the valve plate 1 is protected safely.
As shown in fig. 2, a sealing assembly 8 is arranged between the valve rod 3 and the vertical through hole 52, the sealing assembly 8 comprises a fixed disc 81, a pressure spring 82, a stirring gear 83, a pressure disc 84 and an elastic sealing filler 86 which are sequentially arranged from top to bottom, the fixed disc 81 is fixedly connected with the valve rod 3, the stirring gear 83 is axially and slidably connected with the valve rod 3, the pressure disc 84 is in threaded connection with the vertical through hole 52, and a ratchet ring 85 matched with the stirring gear 83 is arranged on the upper end face of the pressure disc 84. The ratchet ring 85 has a unidirectional transmission characteristic, and has a large friction force in forward rotational contact and a small friction force in reverse rotational contact. When the valve rod 3 rotates positively to close the butterfly valve, the poking gear 83 drives the ratchet ring 85 and the pressure plate 84 to rotate through friction, and the pressure plate 84 moves downwards under the action of threads to squeeze the elastic sealing filler 86, so that the sealing performance between the valve rod 3 and the vertical through hole 52 is enhanced; when the valve rod 3 rotates reversely to open the butterfly valve, the toggle gear 83 and the ratchet ring 85 slide, the pressure plate 84 does not rotate, and the pressure spring 82 is used for keeping the toggle gear 83 and the ratchet ring 85 in contact, so that the anti-loosening function of the pressure plate 84 is achieved.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.
Claims (10)
1. The utility model provides a sanitary-grade butterfly valve convenient to wash, includes valve body (1), valve plate (2), valve rod (3) and rotates executor (4), valve plate (2) set up in valve body (1), and the upper end of valve plate (2) carries out fixed connection with valve body (1) outer rotation executor (4) through valve rod (3), its characterized in that: the valve is characterized in that a rotary cavity (11) is arranged in the valve body (1), an inlet (12) and an outlet (13) are respectively arranged at the left end and the right end of the rotary cavity (11), a rotary valve core (5) is arranged in the rotary cavity (11), a transverse through valve hole (51) is formed in the side wall of the rotary valve core (5), the valve plate (2) is installed in the valve hole (51) in a sealing rotation mode, a vertical through hole (52) for the valve rod (3) to penetrate through is formed in the top of the rotary valve core (5), the vertical through hole (52) is communicated with the valve hole (51), a rotary shaft (53) is fixedly connected with the bottom of the rotary valve core (5), an external interface is arranged on the rotary cavity (11) in the front-back direction, and is connected with the valve hole (51) when the two ends of the valve hole (51) are respectively communicated with the inlet (12) and the outlet (13), and the external interface is closed when the valve core (5) is closed to the inlet (12) and the outlet (13).
2. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: the rotary body valve core (5) is spherical and is formed by fixedly connecting a left sphere and a right sphere, and a sealing rubber strip (54) is arranged between the end faces of the joints of the left sphere and the right sphere.
3. A sanitary butterfly valve for easy cleaning according to claim 2, wherein: the left ball body and the right ball body are provided with elastic fixing sealing belts outside the joints, bayonets are arranged on the inner sides of the elastic fixing sealing belts, left protruding blocks and right protruding blocks are respectively arranged on two sides of the joints, and the left protruding blocks and the right protruding blocks are matched and then are connected with the bayonets in a buckling mode.
4. A sanitary butterfly valve for easy cleaning as recited in claim 3, wherein: the upper and lower parts of the revolving body valve core (5) are respectively provided with a sealing hoop (55), and the upper and lower ends of the elastic fixed sealing belt are respectively and fixedly connected with the two sealing hoops (55).
5. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: the rotary driving mechanism (6) comprises a reduction gearbox (61) and a motor, a sun gear (62) fixedly connected with a rotary shaft (53) is arranged in the reduction gearbox (61), a plurality of planet gears (63) are connected around the sun gear (62) in a meshed mode, the planet gears (63) are rotatably arranged at the bottom of the valve body (1), an outer gear ring (64) is connected to the planet gears (63) in a meshed mode, the outer gear ring (64) is fixedly connected with a worm wheel (65), the worm wheel (65) is connected with a worm (66) in a meshed mode, the worm (66) is fixedly connected with the output end of the motor, an angle sensor (67) is arranged on the rotary shaft (53), and the angle sensor (67) is electrically connected with the motor.
6. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: one end of the valve hole (51) is provided with a check valve (7).
7. A sanitary butterfly valve for easy cleaning as recited in claim 6, wherein: the check valve (7) comprises a valve clack (71) and a pin (72), the upper end of the valve clack (71) is rotationally connected with the side wall of the pin (72), an inclined sealing surface (56) which is in sealing fit with the valve clack (71) is arranged on the valve hole (51), the inner end of the pin (72) is in plugging fit with a pin hole (57) which is arranged at the upper end of the inclined sealing surface (56), and an arc-shaped elastic rod (73) is arranged between the outer end of the pin (72) and the valve clack (71).
8. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: be equipped with seal assembly (8) between valve rod (3) and vertical through-hole (52), seal assembly (8) include from last fixed disk (81), pressure spring (82), stir gear (83), pressure disk (84) and the elastic sealing packing that sets gradually down, fixed disk (81) and valve rod (3) fixed connection, stir gear (83) and valve rod (3) axial sliding connection, be threaded connection between pressure disk (84) and vertical through-hole (52), the up end of pressure disk (84) be equipped with stir gear (83) matched with ratchet circle (85).
9. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: and the outer interface is provided with a glass observation window and an ultraviolet sterilizing lamp.
10. A sanitary butterfly valve for easy cleaning as recited in claim 1, wherein: the outer interface is provided with an ultrasonic cleaner, a drain valve and a feed valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210574865.3A CN114877084B (en) | 2022-05-25 | 2022-05-25 | Sanitary butterfly valve convenient to wash |
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Application Number | Priority Date | Filing Date | Title |
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CN202210574865.3A CN114877084B (en) | 2022-05-25 | 2022-05-25 | Sanitary butterfly valve convenient to wash |
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CN114877084A CN114877084A (en) | 2022-08-09 |
CN114877084B true CN114877084B (en) | 2024-09-20 |
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CN202210574865.3A Active CN114877084B (en) | 2022-05-25 | 2022-05-25 | Sanitary butterfly valve convenient to wash |
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CN (1) | CN114877084B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116220611B (en) * | 2023-02-06 | 2023-09-01 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2527807Y (en) * | 2001-12-21 | 2002-12-25 | 谢清辉 | Ball valve with movable pocket |
CN111396572A (en) * | 2020-03-26 | 2020-07-10 | 韩国昊 | Butterfly valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004049124A1 (en) * | 2004-10-07 | 2006-04-20 | Ina-Schaeffler Kg | Device for changing timing of gas exchange valves of internal combustion engine has control valve in first position of which neither first nor second working connection of control valve communicates with feed connection |
RU2375553C1 (en) * | 2008-06-18 | 2009-12-10 | Закрытое Акционерное Общество Финансовая Компания "Центр-Космос-Нефть-Газ" | Well head return valve of oil well |
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2022
- 2022-05-25 CN CN202210574865.3A patent/CN114877084B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2527807Y (en) * | 2001-12-21 | 2002-12-25 | 谢清辉 | Ball valve with movable pocket |
CN111396572A (en) * | 2020-03-26 | 2020-07-10 | 韩国昊 | Butterfly valve |
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