CN212155920U - One-way valve for preventing water hammer - Google Patents
One-way valve for preventing water hammer Download PDFInfo
- Publication number
- CN212155920U CN212155920U CN202020492299.8U CN202020492299U CN212155920U CN 212155920 U CN212155920 U CN 212155920U CN 202020492299 U CN202020492299 U CN 202020492299U CN 212155920 U CN212155920 U CN 212155920U
- Authority
- CN
- China
- Prior art keywords
- valve body
- pressure relief
- valve
- relief pipe
- water hammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Valves (AREA)
- Check Valves (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A one-way valve for preventing water hammer comprises a valve body; an arc-shaped limiting ring structure is arranged in the valve body, the valve body is divided into an upper cavity and a lower cavity, and the interior of the valve body is communicated up and down; the upper cavity is internally provided with a ball and a pressure relief pipe, and the pressure relief pipe is provided with a pressure relief hole; one end of the pressure relief pipe is positioned above the ball, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body and is connected with one end of a hose arranged outside the valve body; the other end of the hose is connected with a one-way speed control valve; the one-way speed control valve penetrates through the lower cavity and is arranged on the outer side surface of the valve body; the pressure relief pipe part positioned in the upper cavity is provided with an upward pressure relief hole. The utility model discloses the valve is installed on the pipeline of the export of pump, can effectively prevent the production of water hammer, reduces the impact of water hammer to the impeller of pump, has improved the life of pump.
Description
Technical Field
The utility model relates to a check valve technical field especially relates to a waterproof hammer check valve.
Background
When the existing one-way valve is installed at the outlet of the pump, when the one-way valve is used, due to the factors that the structure of the one-way valve is not perfect enough or the type selection is not reasonable and the like, the impeller of the pump is greatly impacted, the impeller of the pump is damaged, and the service life of the pump is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a waterproof hammer check valve.
The utility model discloses an adopt following technical scheme to realize:
a one-way valve for preventing water hammer comprises a valve body; an arc-shaped limiting ring structure is arranged in the valve body to divide the valve body into an upper cavity and a lower cavity, and the interior of the valve body is communicated up and down; a ball and a pressure relief pipe are arranged in the upper cavity; one end of the pressure relief pipe is positioned above the ball, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body and is connected with one end of a hose arranged outside the valve body; the other end of the hose is connected with a one-way speed control valve; the one-way speed control valve penetrates through the lower cavity and is arranged on the outer side surface of the valve body; the pressure relief pipe part positioned in the upper cavity is provided with an upward pressure relief hole.
Further, the lower cavity of the valve body is an inlet; the upper cavity of the valve body is an outlet.
Further, the one-way speed control valve controls the flow direction to advance from the lower cavity to the upper cavity.
Furthermore, the two ends of the hose are provided with air source pipe quick connectors which are respectively connected with the pressure relief pipe and the one-way speed control valve.
Furthermore, a clamping groove is formed in the outer wall of the valve body, and external threads are formed in the outer walls of the two ends of the valve body.
To sum up the utility model discloses following beneficial effect has: the utility model discloses the valve is installed on the outlet pipe of pump, can effectively prevent the production of water hammer, stops the impact of water hammer to the impeller of pump, has improved the life of pump.
Drawings
Fig. 1 is a schematic view of the structure section structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the top view structure of the present invention.
Fig. 4 to 7 are schematic views of different states and structures of the present invention.
Wherein: a valve body 1; a pressure relief hole 2; a pressure relief pipe 3; a ball 4; a gas source pipe quick connector 5; a one-way speed control valve 6; a hose 7; and a clamping groove 8.
Detailed Description
As shown in fig. 1 to 7, the present invention is further described with reference to the following embodiments and drawings.
Example 1
As shown in fig. 1 to 3, a hammer-resistant check valve includes a valve body 1; an arc-shaped limiting ring structure is arranged in the valve body 1, the valve body 1 is divided into an upper cavity and a lower cavity, and the interior of the valve body 1 is communicated up and down; a ball 4 and a pressure relief pipe 3 are arranged in the upper cavity; one end of the pressure relief pipe 3 is positioned above the ball 4, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body 1 and is connected with one end of a hose 7 arranged outside the valve body 1; the other end of the hose 7 is connected with a one-way speed control valve 6; the one-way speed control valve 6 penetrates through the lower cavity and is arranged on the outer side surface of the valve body 1; the part of the pressure relief pipe 3 positioned in the upper cavity is provided with an upward pressure relief hole 2. As shown in fig. 4 to 7, when the pump is started, the bypass one-way speed control valve 6 is opened before the pump, and the pump is overflowed to reduce the impact of the pump-starting fluid on the pressure relief pipe 3. When the pump is stopped, the ball 4 falls back to block the internal channel of the valve body 1, the bypass is not returned, and the impact of the water hammer on the pump impeller is reduced.
Example 2
A one-way valve for preventing water hammer comprises a valve body 1; an arc-shaped limiting ring structure is arranged in the valve body 1, the valve body 1 is divided into an upper cavity and a lower cavity, and the interior of the valve body 1 is communicated up and down; a ball 4 and a pressure relief pipe 3 are arranged in the upper cavity; one end of the pressure relief pipe 3 is positioned above the ball 4, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body 1 and is connected with one end of a hose 7 arranged outside the valve body 1; the other end of the hose 7 is connected with a one-way speed control valve 6; the one-way speed control valve 6 penetrates through the lower cavity and is arranged on the outer side surface of the valve body 1; the part of the pressure relief pipe 3 positioned in the upper cavity is provided with an upward pressure relief hole 2. The lower cavity of the valve body 1 is an inlet; the upper cavity of the valve body 1 is an outlet. The one-way speed control valve 6 controls the flow direction to advance from the lower cavity to the upper cavity. The size S1 of the inner hole of the inlet end of the lower cavity is larger than the size S2 of the inlet end of the arc-shaped limiting ring, so that the impact of water hammer can be reduced.
Example 3
A one-way valve for preventing water hammer comprises a valve body 1; an arc-shaped limiting ring structure is arranged in the valve body 1, the valve body 1 is divided into an upper cavity and a lower cavity, and the interior of the valve body 1 is communicated up and down; a ball 4 and a pressure relief pipe 3 are arranged in the upper cavity; one end of the pressure relief pipe 3 is positioned above the ball 4, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body 1 and is connected with one end of a hose 7 arranged outside the valve body 1; the other end of the hose 7 is connected with a one-way speed control valve 6; the one-way speed control valve 6 penetrates through the lower cavity and then is arranged on the outer side surface of the valve body 1, and the bypass is started through the one-way speed control valve 6, the hose 7 and the pressure relief pipe 3, so that the impact of the ball 4 on the pressure relief pipe 3 when the pump is started is reduced; the part of the pressure relief pipe 3 positioned in the upper cavity is provided with an upward pressure relief hole 2. The lower cavity of the valve body 1 is an inlet; the upper cavity of the valve body 1 is an outlet. The one-way speed control valve 6 controls the flow direction to advance from the lower cavity to the upper cavity. And air source pipe quick connectors 5 are arranged at two ends of the hose 7 and are respectively connected with the pressure relief pipe 3 and the one-way speed control valve 6 through the air source pipe quick connectors 5. When the pump is stopped, the channel in the valve body 1 is closed under the action of the ball 4, and meanwhile, the bypass is closed under the action of the one-way speed control valve 6, so that the pipeline is sealed. The outer wall of the valve body 1 is provided with a clamping groove 8, and the outer walls of two ends of the valve body 1 are provided with external threads; when being used for installing the export of pump to the check valve, screw through the external screw thread, the rethread bolt is screwed, fixes the export of pump and draw-in groove 8. The utility model discloses a waterproof hammer check valve installs on the outlet pipe of pump, can effectively prevent the production of water hammer, alleviates the impact of water hammer to the impeller of pump.
While particular embodiments of the present invention have been illustrated and described in detail, it should be noted that: equivalent changes and modifications of the above embodiments, which do not depart from the spirit of the invention, are intended to be covered by the scope of the invention.
Claims (5)
1. A one-way valve for preventing water hammer comprises a valve body; the method is characterized in that: an arc-shaped limiting ring structure is arranged in the valve body, the valve body is divided into an upper cavity and a lower cavity, and the interior of the valve body is communicated up and down; a ball and a pressure relief pipe are arranged in the upper cavity; one end of the pressure relief pipe is positioned above the ball, and the other end of the pressure relief pipe penetrates through the outer wall of the valve body and is connected with one end of a hose arranged outside the valve body; the other end of the hose is connected with a one-way speed control valve; the one-way speed control valve penetrates through the lower cavity and is arranged on the outer side surface of the valve body; the pressure relief pipe part positioned in the upper cavity is provided with an upward pressure relief hole.
2. The one-way valve for preventing water hammer of claim 1, wherein: the lower cavity of the valve body is an inlet; the upper cavity of the valve body is an outlet.
3. The one-way valve for preventing water hammer of claim 1, wherein: the one-way speed control valve controls the flow direction to advance from the lower cavity to the upper cavity.
4. The one-way valve for preventing water hammer of claim 1, wherein: and the two ends of the hose are provided with air source pipe quick connectors which are respectively connected with the pressure relief pipe and the one-way speed control valve through the air source pipe quick connectors.
5. The one-way valve for preventing water hammer of claim 1, wherein: the outer wall of the valve body is provided with a clamping groove, and outer threads are arranged on the outer walls of two ends of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020492299.8U CN212155920U (en) | 2020-04-07 | 2020-04-07 | One-way valve for preventing water hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020492299.8U CN212155920U (en) | 2020-04-07 | 2020-04-07 | One-way valve for preventing water hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155920U true CN212155920U (en) | 2020-12-15 |
Family
ID=73726283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020492299.8U Expired - Fee Related CN212155920U (en) | 2020-04-07 | 2020-04-07 | One-way valve for preventing water hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155920U (en) |
-
2020
- 2020-04-07 CN CN202020492299.8U patent/CN212155920U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 231283 Room 401, West building, No. 8 Mozitan Road, high tech Zone, Hefei, Anhui Province Patentee after: Hefei oulijie Intelligent Equipment System Co.,Ltd. Address before: 230000 room 2501, block D, Haydn International Plaza, 660 Ma'anshan South Road, Hefei City, Anhui Province Patentee before: HEFEI OLOGY ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |