CN212203354U - Water pressure anti-backflow valve - Google Patents
Water pressure anti-backflow valve Download PDFInfo
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- CN212203354U CN212203354U CN202020509859.6U CN202020509859U CN212203354U CN 212203354 U CN212203354 U CN 212203354U CN 202020509859 U CN202020509859 U CN 202020509859U CN 212203354 U CN212203354 U CN 212203354U
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- valve body
- fixedly connected
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- water pressure
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Abstract
The utility model discloses a water pressure valve against backflow, which comprises a valve body, be equipped with water inlet channel on the valve body, be equipped with the valve wheel on the valve body, fixedly connected with threaded rod is taken turns to the valve, threaded rod bottom fixedly connected with dog, be equipped with water delivery channel in the valve body, be equipped with water outlet channel in the valve body, fixedly connected with sliding sleeve on the water outlet channel inner wall, sliding sleeve sliding connection has the slide bar, the first spring of fixedly connected with between slide bar and the sliding sleeve, fixedly connected with supports the piece on the slide bar, be equipped with buffer on the valve body. The utility model discloses aerify in the installation cover through the one-way admission valve before the use, after dog and the laminating of inhalant canal inner wall, the rivers of inhalant canal department can produce the water hammer to the valve body, and the water hammer that produces this moment can extrude the piston board, and under the effect of second spring and atmospheric pressure, piston board side-to-side motion plays the cushioning effect to the water hammer.
Description
Technical Field
The utility model relates to a check valve technical field especially relates to a water pressure valve against flow backwards.
Background
The lift check valve is a valve that automatically opens and closes a valve flap depending on the flow of a medium to prevent the backflow of the medium, and is also called a check valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium. Check valves may also be used to provide make-up lines to auxiliary systems where the pressure may rise above the system pressure.
The existing lifting check valve has the phenomenon of liquid backflow caused by low valve closing speed, however, the valve closing speed is too high, water hammer (in a pressure pipeline, the flow rate of water is suddenly changed due to the sudden closing of the valve caused by some external reasons, so that water hammer is caused, and the hydraulic phenomenon is called water hammer or water hammer) generates larger acting force, so that the valve body and the water pipe are damaged, and the service life of the valve is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect that the water hammer causes damage to the valve body in the prior art, thereby providing a water pressure anti-backflow valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a water pressure valve of preventing flowing backwards, includes the valve body, be equipped with water intake channel on the valve body, be equipped with the valve wheel on the valve body, fixedly connected with threaded rod on the valve wheel, threaded rod threaded connection is on the valve body and extend to in the water intake channel, threaded rod bottom end fixedly connected with dog, be equipped with water delivery passageway in the valve body, be equipped with exhalant canal in the valve body, fixedly connected with sliding sleeve on the exhalant canal inner wall, sliding sleeve sliding connection has the slide bar, the first spring of fixedly connected with between slide bar and the sliding sleeve, fixedly connected with supports the piece on the slide bar, be equipped with buffer on the valve body.
Preferably, buffer includes the installation cover, installation cover fixed connection on the valve body and communicate with each other with inhalant canal, fixedly connected with intake pipe is sheathe in to the installation, the intake pipe is kept away from installation cover one end and is equipped with one-way admission valve, sliding connection has the piston board in the installation cover, fixedly connected with second spring between piston board and the installation cover inner wall.
Preferably, the abutting block is symmetrically provided with first magnetic poles, the valve body is symmetrically provided with second magnetic poles, and the first magnetic poles are matched with the second magnetic poles.
Preferably, the inner wall of the sliding sleeve is provided with a sealing gasket, and the sealing gasket is tightly attached to the sliding rod.
Preferably, the piston plate is provided with a rubber pad, and the rubber pad is tightly attached to the inner wall of the mounting sleeve.
Preferably, the installation sleeve is internally and fixedly connected with an annular plate, and the annular plate is made of stainless steel.
Preferably, a heat insulation layer is arranged in the valve body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the device is used, the valve wheel is rotated, so that the threaded rod rotates, the check block is driven to move downwards, water flows into the water delivery channel through the water inlet channel, then the abutting block is flushed, the water flows out through the water outlet channel, when the water valve needs to be closed, the valve wheel is rotated, so that the check block moves upwards and abuts against the inner wall of the water inlet channel, then the abutting block moves downwards under the action force of the first spring, and is quickly attached to the inner wall of the water outlet channel under the action of the first magnetic pole and the second magnetic pole, the phenomenon that the water hammer is large in action and damages the valve body due to the fact that the valve is closed too fast is avoided, meanwhile, under the action of the first magnetic pole and the second magnetic pole, even if the valve is slowly closed, the abutting block and the inner wall of the water outlet channel can.
2. Aerify in the installation cover through one-way admission valve before the use, after dog and the laminating of inhalant canal inner wall, the rivers of inhalant canal department can produce the water hammer to the valve body, and the water hammer that produces this moment can extrude the piston board, and under the effect of second spring and atmospheric pressure, piston board side-to-side movement plays the cushioning effect to the water hammer, reduces the device's damage, has increased the device's life.
Drawings
Fig. 1 is a schematic front structural view of a water pressure backflow prevention valve provided by the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1. a valve body; 2. a water inlet channel; 3. a valve wheel; 4. a threaded rod; 5. a stopper; 6. a water delivery channel; 7. a sliding sleeve; 8. a slide bar; 9. a first spring; 10. a resisting block; 11. a water outlet channel; 12. installing a sleeve; 13. a one-way intake valve; 14. a piston plate; 15. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a water pressure valve of preventing flowing backwards, includes valve body 1, is equipped with the heat preservation in the valve body 1, prevents to cause the damage to valve body 1 because of the weather is cold in autumn and winter, is equipped with inhalant canal 2 on the valve body 1, is equipped with valve wheel 3 on the valve body 1, fixedly connected with threaded rod 4 on the valve wheel 3, in threaded rod 4 threaded connection extends to inhalant canal 2 on the valve body 1, threaded rod 4 bottom fixedly connected with dog 5, be equipped with water delivery passageway 6 in the valve body 1, be equipped with out water channel 11 in the valve body 1.
The inner wall of the water outlet channel 11 is fixedly connected with a sliding sleeve 7, the sliding sleeve 7 is slidably connected with a sliding rod 8, the inner wall of the sliding sleeve 7 is provided with a sealing gasket, the sealing gasket is tightly attached to the sliding rod 8 to prevent water from entering the sliding sleeve 7 to corrode internal elements, a first spring 9 is fixedly connected between the sliding rod 8 and the sliding sleeve 7, the sliding rod 8 is fixedly connected with a supporting block 10, the supporting block 10 is symmetrically provided with first magnetic poles, the valve body 1 is symmetrically provided with second magnetic poles, the first magnetic poles are matched with the second magnetic poles, so that the supporting block 10 can be attached to the inner wall of the water outlet channel 11 in time to prevent water from flowing backwards.
Be equipped with buffer on valve body 1, buffer includes installation cover 12, installation cover 12 fixed connection on valve body 1 and communicate with each other with inhalant canal 2, fixedly connected with intake pipe on installation cover 12, the intake pipe is kept away from installation cover 12 one end and is equipped with one-way admission valve 13, sliding connection has piston plate 14 in the installation cover 12, be equipped with the rubber pad on the piston plate 14, the rubber pad closely laminates with installation cover 12 inner wall, prevent the gas leakage in the installation cover 12 and reduce buffering effect, fixedly connected with annular plate in the installation cover 12, the annular plate is stainless steel, prevent that piston plate 14 from breaking away from installation cover 12, fixedly connected with second spring 15 between piston plate 14 and the installation cover 12 inner wall, when making when 1 inside production water hammer of valve body, this buffer of accessible reduces the injury of water hammer effect to the device and pipeline.
In the utility model, when the user uses the device, the valve wheel 3 is rotated to rotate the threaded rod 4 to drive the stop block 5 to move downwards, the water flow flows into the water delivery channel 6 through the water inlet channel 2, then the abutting block 10 is flushed, the water flow flows out through the water outlet channel 11, when the water valve needs to be closed, the valve wheel 3 is rotated to make the stop block 5 move upwards to abut against the inner wall of the water inlet channel 2, then the abutting block 10 moves downwards under the action of the first spring 9 and is quickly attached to the inner wall of the water outlet channel 11 under the action of the first magnetic pole and the second magnetic pole, simultaneously, the mounting sleeve 12 is inflated through the one-way air inlet valve 13 before use, after the stop block 5 is attached to the inner wall of the water inlet channel 2, the water flow at the water inlet channel 2 can generate a water hammer to the valve body 1, the water hammer generated at the moment can extrude the piston plate 14, under the action of the second spring 15 and the air pressure, the piston plate, the buffer function is realized to the water hammer.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a water pressure valve of preventing flowing backwards, includes valve body (1), its characterized in that, be equipped with inhalant canal (2) on valve body (1), be equipped with valve wheel (3) on valve body (1), fixedly connected with threaded rod (4) on valve wheel (3), threaded rod (4) threaded connection is on valve body (1) and extends to inhalant canal (2) in, threaded rod (4) bottom fixedly connected with dog (5), be equipped with water delivery passageway (6) in valve body (1), be equipped with exhalant canal (11) in valve body (1), fixedly connected with sliding sleeve (7) on exhalant canal (11) inner wall, sliding sleeve (7) sliding connection has slide bar (8), fixedly connected with first spring (9) between slide bar (8) and sliding sleeve (7), fixedly connected with supports piece (10) on slide bar (8), and a buffer device is arranged on the valve body (1).
2. The water pressure backflow prevention valve according to claim 1, wherein the buffering device comprises a mounting sleeve (12), the mounting sleeve (12) is fixedly connected to the valve body (1) and communicated with the water inlet channel (2), an air inlet pipe is fixedly connected to the mounting sleeve (12), one end, away from the mounting sleeve (12), of the air inlet pipe is provided with a one-way air inlet valve (13), a piston plate (14) is slidably connected to the mounting sleeve (12), and a second spring (15) is fixedly connected between the piston plate (14) and the inner wall of the mounting sleeve (12).
3. The water pressure backflow prevention valve according to claim 1, wherein the abutting block (10) is symmetrically provided with a first magnetic pole, the valve body (1) is symmetrically provided with a second magnetic pole, and the first magnetic pole is matched with the second magnetic pole.
4. The water pressure backflow prevention valve according to claim 1, wherein a sealing gasket is arranged on the inner wall of the sliding sleeve (7), and the sealing gasket is tightly attached to the sliding rod (8).
5. The water pressure backflow prevention valve according to claim 2, wherein the piston plate (14) is provided with a rubber pad, and the rubber pad is tightly attached to the inner wall of the mounting sleeve (12).
6. The water pressure backflow prevention valve according to claim 2, wherein an annular plate is fixedly connected in the mounting sleeve (12), and the annular plate is made of stainless steel.
7. The water pressure backflow prevention valve according to claim 1, wherein an insulating layer is arranged in the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509859.6U CN212203354U (en) | 2020-04-09 | 2020-04-09 | Water pressure anti-backflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509859.6U CN212203354U (en) | 2020-04-09 | 2020-04-09 | Water pressure anti-backflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203354U true CN212203354U (en) | 2020-12-22 |
Family
ID=73829999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020509859.6U Active CN212203354U (en) | 2020-04-09 | 2020-04-09 | Water pressure anti-backflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203354U (en) |
-
2020
- 2020-04-09 CN CN202020509859.6U patent/CN212203354U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A water pressure anti backflow valve Effective date of registration: 20230306 Granted publication date: 20201222 Pledgee: Weifang Bank Co.,Ltd. Xincheng sub branch Pledgor: Weifang Paier Fire Technology Co.,Ltd. Registration number: Y2023980034067 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |