CN211820994U - Water hammer prevention front valve - Google Patents
Water hammer prevention front valve Download PDFInfo
- Publication number
- CN211820994U CN211820994U CN202020100147.9U CN202020100147U CN211820994U CN 211820994 U CN211820994 U CN 211820994U CN 202020100147 U CN202020100147 U CN 202020100147U CN 211820994 U CN211820994 U CN 211820994U
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- China
- Prior art keywords
- valve
- valve body
- buffer tank
- cavity
- rod
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- Expired - Fee Related
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Abstract
The utility model provides a water hammer prevention preposed valve which has simple structure and low production cost, can absorb and reduce the harm of water hammer, and protects pipe fittings and other water heating accessories, comprising a first valve body, a first water inlet channel and a first water outlet channel are arranged on the valve body, a valve seat is arranged between the first water inlet channel and the first water outlet channel and a valve plate for controlling fluid is arranged on the first valve body, a first valve rod is arranged at the upper end part of the valve plate, a linkage structure which is linked with a second valve rod on an external valve body is arranged on the first valve body, a buffer tank is arranged on the first valve body, a baffle plate can slide up and down in the buffer tank, the tank body divides the tank body into a first cavity at the upper part and a second cavity at the lower part, a sealing element is arranged between the baffle plate and the buffer tank, the first cavity is respectively communicated with the first water inlet channel and the first water outlet channel through a first communicating pipe, a, a plurality of connecting rods are arranged in parallel in the first communicating pipe, and threaded guide plates are arranged outside the connecting rods in a winding mode.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to leading valve of waterproof hammer.
Background
When the valve is used for controlling the on-off of fluid, the valve is instantly closed, the kinetic energy of the inertia of the fluid is acted, and the fluid can impact the valve and other pipe fittings and cause damage to the valve and the pipe fittings.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, low in production cost can absorb and reduce the water hammer harm, protect the leading valve of waterproof hammer of pipe fitting and other hot-water heating accessories.
In order to achieve the technical problem, the utility model discloses a leading valve of water hammer is prevented to the solution that the valve comprises a first valve body, first inlet channel and first outlet channel have been seted up on the valve body, first valve body is located be provided with the disk seat between first inlet channel and the first outlet channel, and be provided with the valve plate that is used for control fluid, valve plate upper end is provided with first valve rod, be provided with the interlock structure that links with the second valve rod on the external valve body on the first valve body, be provided with the buffer tank on the first valve body, can slide from top to bottom in the buffer tank and be provided with the baffle, the baffle is divided into the first cavity on upper portion and the second cavity of lower part in the buffer tank, the baffle with be provided with the sealing member between the buffer tank, first cavity is respectively through first communicating pipe, second communicating pipe and first inlet channel, second communicating pipe, The first water outlet channel is communicated, a plurality of connecting rods are arranged in the first communicating pipe in parallel, and threaded guide plates are arranged outside the connecting rods in a winding mode.
The further improvement is that: the linkage structure comprises a transmission rod, a first through hole is formed in the valve body and used for the transmission rod to penetrate through, the transmission rod can be linked with a second valve rod of the external valve body, a first gear is fixedly arranged on the transmission rod, and a gear row arranged on the first valve rod is meshed with the first gear.
The further improvement is that: and a spring is arranged below the partition plate, and two ends of the spring are respectively abutted against the partition plate and the buffer tank.
The further improvement is that: the number of the connecting rods is two.
The further improvement is that: the sealing element is a sealing ring.
By adopting the technical scheme, the beneficial effects of the utility model are that: the kinetic energy of water is converted into heat energy through the impact of water flow, so that the impact of a water hammer on the valve and the pipe fitting is reduced, and the service life of the valve and the pipe fitting is prolonged; the protection is provided, the water hammer is prevented from directly impacting the valve body, and the sealing performance of the valve body is improved.
Drawings
Fig. 1 is a schematic structural diagram of a water hammer prevention front valve according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the linkage structure.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 and 2, disclosed in the embodiment of the present invention is a water hammer preventing front valve, including a first valve body 3, the valve body is provided with a first water inlet channel 32 and a first water outlet channel 31, the first valve body 3 is located between the first water inlet channel 32 and the first water outlet channel 31 and is provided with a valve seat, a valve plate 34 is arranged between the first water inlet channel 32 and the first water outlet channel 31 and is used for controlling fluid, the upper end of the valve plate 34 is provided with a first valve rod 33, the first valve body 3 is provided with a first through hole, a transmission rod 21 is inserted into the first through hole, the transmission rod 21 is rotatably connected with the first valve body 3 through a bearing, one end of the transmission rod 21 located in the first valve body 3 is provided with a first gear 23, the first valve rod 33 is provided with a tooth row engaged with the first gear 23, the water hammer preventing front valve is arranged at the water inlet end of a ball valve, the first water outlet channel 31 is communicated with the second water inlet end 12 of the ball valve, one end of the transmission rod 21 penetrates into the second valve body 1 of the ball valve, one end of the transmission rod 21, which is positioned in the second valve body 1, is fixedly provided with a first turbine tooth 22, a first worm gear 141 is fixedly arranged on the second valve rod 14 of the ball valve, the first worm gear 141 is in meshing transmission with the first turbine tooth 22, when the ball valve is closed, the valve plate 34 descends by driving the rotation of the transmission rod 21, the fluid channel is closed by matching with the valve seat, the direct impact of a water hammer on the ball valve is avoided, the first valve body 3 is provided with a buffer tank 42, a partition board 421 is arranged in the buffer tank 42 in a sliding manner up and down, the partition board divides the buffer tank into a first cavity at the upper part and a second cavity at the lower part, and a sealing ring is arranged between the partition board 421 and, the below of baffle 421 is provided with spring 422, spring 422 both ends respectively with baffle 421 and buffer tank 42 inconsistent, first cavity is linked together with first inlet channel 32, first outlet channel 31 through first communicating pipe 4, second communicating pipe 43 respectively, the parallel is provided with two connecting rods 41 in the first communicating pipe 4, connecting rod 41 is outer around being equipped with screw thread form guide plate 411.
Principle of operation
When the second valve rod 14 of the ball valve is rotated, the transmission rod 21 is driven to rotate, the valve plate 34 is driven to slide, when the second valve rod 14 is rotated to close the ball valve, the valve plate 34 descends to enable the valve plate 34 to be matched with the valve seat to close fluid flow of the waterproof hammer preposed valve, at the moment, the fluid enters the first communication pipe 4 under the action of inertia, the fluid acts on the flow guide of the two thread-shaped guide plates 411 in the communication pipe, the fluid collides in the first communication pipe 4, the dynamic potential energy is converted into heat energy due to mutual collision of the fluid, the heat energy enters the first cavity after the fluid enters the buffer tank 42 and extrudes the partition plate 421 downwards, at the moment, air in the second cavity is compressed, the spring 422 is also compressed, the kinetic energy of the fluid is converted into elastic potential energy and the heat energy of the air again, and the energy of the fluid is.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (5)
1. Leading valve of waterproof hammer, its characterized in that: comprises a first valve body, a first water inlet channel and a first water outlet channel are arranged on the valve body, a valve seat is arranged between the first water inlet channel and the first water outlet channel of the first valve body, a valve plate for controlling fluid is arranged on the first valve body, the upper end part of the valve plate is provided with a first valve rod, the first valve body is provided with a linkage structure which is linked with a second valve rod on the external valve body, the first valve body is provided with a buffer tank, a clapboard is arranged in the buffer tank in a sliding way up and down, the baffle plate divides the interior of the buffer tank into a first cavity at the upper part and a second cavity at the lower part, a sealing element is arranged between the baffle plate and the buffer tank, the first cavity is communicated with the first water inlet channel and the first water outlet channel through a first communicating pipe and a second communicating pipe respectively, a plurality of connecting rods are arranged in parallel in the first connecting pipe, and threaded guide plates are arranged outside the connecting rods in a winding mode.
2. The waterproof hammer forward valve of claim 1, wherein: the linkage structure comprises a transmission rod, a first through hole is formed in the valve body and used for the transmission rod to penetrate through, the transmission rod can be linked with a second valve rod of the external valve body, a first gear is fixedly arranged on the transmission rod, and a gear row arranged on the first valve rod is meshed with the first gear.
3. The waterproof hammer forward valve of claim 1, wherein: and a spring is arranged below the partition plate, and two ends of the spring are respectively abutted against the partition plate and the buffer tank.
4. The waterproof hammer forward valve of claim 1, wherein: the number of the connecting rods is two.
5. The waterproof hammer forward valve of claim 1, wherein: the sealing element is a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100147.9U CN211820994U (en) | 2020-01-16 | 2020-01-16 | Water hammer prevention front valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100147.9U CN211820994U (en) | 2020-01-16 | 2020-01-16 | Water hammer prevention front valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820994U true CN211820994U (en) | 2020-10-30 |
Family
ID=72991198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100147.9U Expired - Fee Related CN211820994U (en) | 2020-01-16 | 2020-01-16 | Water hammer prevention front valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771929A (en) * | 2023-07-14 | 2023-09-19 | 深圳市摩控自动化设备有限公司 | Multi-rotation electric valve actuator |
-
2020
- 2020-01-16 CN CN202020100147.9U patent/CN211820994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771929A (en) * | 2023-07-14 | 2023-09-19 | 深圳市摩控自动化设备有限公司 | Multi-rotation electric valve actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |