CN216519710U - Switch valve of self-adaptive pressure - Google Patents
Switch valve of self-adaptive pressure Download PDFInfo
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- CN216519710U CN216519710U CN202122835881.7U CN202122835881U CN216519710U CN 216519710 U CN216519710 U CN 216519710U CN 202122835881 U CN202122835881 U CN 202122835881U CN 216519710 U CN216519710 U CN 216519710U
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- valve
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- sliding sleeve
- ball
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Abstract
The utility model relates to a self-adaptive pressure-regulating switch valve which comprises a valve body and a ball valve assembly, wherein a water inlet and a water outlet are respectively arranged on two sides of the valve body, a sliding groove is formed in the top of the valve body, a drainage channel is arranged on the lower side wall of the valve body and is communicated with two sides in the valve body, a sliding sleeve is arranged in the valve body in a sliding mode and is connected with the inner wall of the valve body through a spring, the ball valve assembly is arranged in the sliding sleeve, the ball valve assembly is connected with a valve rod, the valve rod penetrates out of the sliding sleeve and is positioned in the sliding groove, and a handheld part is arranged on the top of the valve rod. The problem of the valve among the prior art only have the switch function, the water hammer prevention and cure function is relatively poor, causes the water hammer to strike easily, and frequent water hammer strikes serious influence pipeline and valve life is effectively solved.
Description
Technical Field
The utility model belongs to the technical field of switch valves, and particularly relates to a switch valve capable of self-adaptive pressure regulation.
Background
A large number of liquid conveying pipelines (such as water conveying pipes, oil conveying pipes and the like) are installed in the nuclear power plant, and switching valves are required to be installed on the pipelines so as to realize the transmission and the blocking of the conveyed fluid. When the liquid fluid is conveyed, if the valve is suddenly closed, the liquid fluid can impact on the valve under the action of the inertia of the fluid, and then large impact vibration is generated, and the phenomenon is called a water hammer effect.
However, the existing pipeline valve only has a switching function, the water hammer prevention function is poor, when the flow rate of fluid in the pipeline is high, the valve is closed, or when the valve is closed quickly, water hammer impact is easily generated in the pipeline, frequent water hammer impact easily causes the service life of the pipeline and the valve to be shortened, and even direct damage to the pipeline and the valve can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-adaptive pressure-regulating switch valve, which effectively solves the problems that the valve in the prior art only has a switching function, the water hammer prevention and control function is poor, water hammer impact is easy to cause, and the service life of a pipeline and the service life of the valve are seriously influenced by frequent water hammer impact.
The technical scheme adopted by the utility model is as follows:
the utility model provides a switching valve of self-adaptation pressure, includes valve body and ball valve subassembly, the valve body both sides are equipped with water inlet and delivery port respectively, be equipped with the spout on the valve body top, the lateral wall is equipped with the earial drainage passageway under the valve body, the earial drainage passageway communicates the both sides in the valve body, it is equipped with the sliding sleeve to slide in the valve body, the sliding sleeve pass through the spring with valve body inner wall connection, the ball valve subassembly is located in the sliding sleeve, the ball valve subassembly is connected with the valve rod, the valve rod is worn out the sliding sleeve and is located in the spout, be equipped with handheld portion on the valve rod top.
Furthermore, the two sides of the sliding sleeve are both connected with springs, and the two springs are respectively connected with the two side walls of the valve body.
Furthermore, pipe joints are arranged on the water inlet and the water outlet.
Further, the hand-held part is a hand wheel.
Further, the ball valve assembly comprises a valve ball, the valve ball is arranged in the sliding sleeve and connected with the valve rod, a communicating hole is formed in the valve ball, valve seats are arranged on two sides of the valve ball, the valve seats are fixedly embedded in the sliding sleeve, and a water through hole matched with the communicating hole is formed in the valve seats.
Compared with the prior art, the utility model has the beneficial effects that:
when the flow velocity in the pipeline is low, the valve is closed, fluid acts on the ball valve assembly under the action of inertia, and the ball valve assembly drives the sliding sleeve to slide in the valve body, so that the sliding sleeve compresses the spring for buffering, and the impact of the small hammer can be effectively relieved; when the flow velocity in the pipeline is higher, the valve is closed, a large number of compression springs of the sliding sleeve buffer the liquid inlet end, the sliding sleeve leaves the liquid outlet end of the drainage channel, fluid enters the low-pressure side of the valve body from the high-pressure side through the drainage channel to be effectively decompressed, large-scale water hammer impact can be effectively relieved, and the whole water hammer prevention and control effect is good.
Drawings
FIG. 1 is a schematic view of the overall structure of the open state of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the buffering process of the present invention;
FIG. 3 is a schematic view of the overall structure of the closed state of the present invention;
in the figure: 1. a pipe joint; 2. a valve body; 3. a spring, 4 and a sliding sleeve; 5. a chute; 6. a hand-held portion; 7. a valve stem; 8. a water inlet; 9. a bleed passage; 10. a valve seat; 11. a valve ball; 12. and (7) a water outlet.
Detailed Description
In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the utility model provides a self-adaptive pressure-regulating switch valve, which comprises a valve body 2 and a ball valve assembly, wherein a water inlet 8 and a water outlet 12 are respectively arranged on the left side and the right side of the valve body 2, a chute 5 is arranged on the top of the valve body 2, a discharge channel 9 is arranged in the lower side wall of the valve body 2, a liquid inlet end and a liquid outlet end of the discharge channel 9 are respectively communicated with two sides in the valve body 2, a sliding sleeve 4 is arranged in the valve body 2 in a sliding manner, the sliding sleeve 4 is connected with the inner wall of the valve body 2 through a spring 3, the spring 3 is used for relieving fluid impact, the conduction of the discharge channel 9 can be effectively controlled by the compression of the spring 3, the valve ball 11 assembly is arranged in the sliding sleeve 4, the valve ball 11 assembly is connected with a valve rod 7, the valve rod 7 penetrates through the sliding sleeve 4 and is positioned in the chute 5, and the top of the valve rod 7 is provided with a handheld part 6. When the flow rate is low, the valve is closed, the handle part 6 is rotated to drive the valve rod 7 to rotate, the valve rod 7 drives the ball valve assembly to close the valve, fluid acts on the ball valve assembly under the action of inertia, the ball valve assembly drives the sliding sleeve 4 to slide to the right side in the valve body 2, and in the process, the sliding sleeve 4 drives the sliding rod to slide in the sliding groove 5, so that the sliding sleeve 4 compresses the spring 3 to buffer, and the small hammer can be effectively relieved; when the flow rate is high, the valve is closed, the sliding sleeve 4 compresses the springs 3 in a large amount for buffering, when the movement amount of the sliding sleeve 4 is large, the sliding sleeve 4 leaves the liquid inlet end of the drainage channel 9, so that the drainage channel 9 is communicated, one side (the left side of the ball valve assembly) with high pressure in the valve is decompressed to one side (the right side of the ball valve assembly) with low pressure through the drainage channel 9, the high-pressure side is decompressed, the low-pressure side is boosted, the pressures on the two sides are balanced to a certain degree, the impact of a large water hammer is effectively relieved, and the water hammer prevention effect is good; when the pressure in the pipeline is reduced, the spring 3 drives the sliding sleeve 4 to slide towards the left side and block the drainage channel 9, so as to complete the closing of the valve.
Specifically, the two sides of the sliding sleeve 4 are both connected with springs 3, and the two springs 3 are respectively connected with the two side walls of the valve body 2. The two springs 3 are used for improving the buffering effect on the impact of the water hammer.
Specifically, the water inlet 8 and the water outlet 12 are both provided with pipe joints 1. The pipe joint 1 is convenient for connecting with a pipeline.
Specifically, the hand-held portion 6 is a hand wheel. The hand wheel is convenient for the operator to hold.
Specifically, 11 subassemblies of valve ball include valve ball 11, in the sliding sleeve 4 was located to valve ball 11 and with valve rod 7 is connected, is equipped with the intercommunicating pore on the valve ball 11, and 11 both sides of valve ball all are equipped with disk seat 10, and disk seat 10 is fixed to be inlayed on 4 inner walls of sliding sleeve, be equipped with on the disk seat 10 with intercommunicating pore assorted limbers. The valve rod 7 drives the valve ball 11 to rotate in the valve seat 10, the valve is conducted when the communicating holes are aligned with the limber holes, and the valve is blocked when the communicating holes are staggered with the limber holes, so that the valve is simple in structure and high in use reliability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A self-adaptive pressure-regulating switch valve is characterized in that: including valve body and ball valve subassembly, the valve body both sides are equipped with water inlet and delivery port respectively, be equipped with the spout on the valve body top, lateral wall is equipped with the earial drainage passageway under the valve body, earial drainage passageway communicates the both sides in the valve body, it is equipped with the sliding sleeve to slide in the valve body, the sliding sleeve pass through the spring with valve body inner wall connection, the ball valve subassembly is located in the sliding sleeve, the ball valve subassembly is connected with the valve rod, the valve rod is worn out the sliding sleeve and is located in the spout, be equipped with handheld portion on the valve rod top.
2. The adaptive pressure regulating switch valve according to claim 1, wherein: the sliding sleeve both sides all are connected with the spring, two the spring respectively with valve body both sides wall is connected.
3. The adaptive pressure regulating switch valve according to claim 1, wherein: and pipe joints are arranged on the water inlet and the water outlet.
4. The adaptive pressure regulating switch valve according to claim 1, wherein: the hand-held part is a hand wheel.
5. The adaptive pressure regulating switch valve according to claim 1, wherein: the ball valve assembly comprises a valve ball, the valve ball is arranged in the sliding sleeve and connected with the valve rod, a communicating hole is formed in the valve ball, valve seats are arranged on two sides of the valve ball, the valve seats are embedded in the sliding sleeve, and a water through hole matched with the communicating hole is formed in each valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835881.7U CN216519710U (en) | 2021-11-18 | 2021-11-18 | Switch valve of self-adaptive pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835881.7U CN216519710U (en) | 2021-11-18 | 2021-11-18 | Switch valve of self-adaptive pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519710U true CN216519710U (en) | 2022-05-13 |
Family
ID=81531539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835881.7U Active CN216519710U (en) | 2021-11-18 | 2021-11-18 | Switch valve of self-adaptive pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519710U (en) |
-
2021
- 2021-11-18 CN CN202122835881.7U patent/CN216519710U/en active Active
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