CN220870171U - Stop valve with pressure release protection function - Google Patents
Stop valve with pressure release protection function Download PDFInfo
- Publication number
- CN220870171U CN220870171U CN202322737479.4U CN202322737479U CN220870171U CN 220870171 U CN220870171 U CN 220870171U CN 202322737479 U CN202322737479 U CN 202322737479U CN 220870171 U CN220870171 U CN 220870171U
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- valve
- pressure relief
- sealing block
- sealing
- pressure
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- 238000007789 sealing Methods 0.000 claims description 83
- 239000000945 filler Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a stop valve with a pressure relief protection function, which comprises a valve body, a valve core and a valve rod, wherein two ends of the valve body are respectively provided with an inflow channel, an outflow channel and a valve cavity communicated with the inflow channel; the utility model can automatically release pressure and can not generate the condition that the pressure cannot be released due to medium leakage.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a stop valve with a pressure relief protection function.
Background
The stop valve is used for controlling the on-off of fluid in a pipeline, the control of the stop valve on the fluid is completely regulated through the control of the valve clack and the valve seat, the stop valve is widely applied, and is often used for controlling medium circulation in a pipeline in industries such as petroleum, chemical industry and the like, when the pressure of the pipeline where the existing stop valve is located is overlarge, if the pressure release valve is not arranged, the damage of pipeline parts can be caused, thereby causing medium leakage and environmental pollution.
According to the stop valve with the automatic pressure relief function, the release block is arranged on the stop valve, so that partial release of pressure generated in the valve body can be realized, the valve body is protected, the service life of the valve body is prolonged, and the sealing performance can be maintained after the pressure of the device is released due to the restoring force generated by the spring, so that the device is simple and easy to operate; however, in the process that the medium extrudes the pressure release block due to the overlarge pressure, the medium easily flows into the rear side of the pressure release block between the pressure release block and the mounting seat, and when the subsequent pressure release is easily caused, the pressure release block is blocked by the medium and cannot move, so that the pressure release cannot be realized.
Disclosure of utility model
The utility model aims to provide a stop valve with a pressure relief protection function, which can automatically relieve pressure and can not cause the condition that the pressure cannot be relieved due to medium leakage.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a stop valve with pressure release protect function, includes valve body, case and valve rod, the valve body both ends are equipped with inflow channel and outflow channel respectively and rather than communicating valve pocket, be located in the valve body the lower extreme of inflow channel one side is equipped with the pressure release mouth, the embedding is equipped with the sealing block in the pressure release mouth, the valve body outside is located pressure release mouth department is fixed to be equipped with the trunk line, the trunk line lower extreme is equipped with adjusting structure, the sealing block with fixedly between the adjusting structure be equipped with supporting spring, adjusting structure keeps away from the one end of sealing block is equipped with storage structure.
By adopting the technical scheme, the utility model has the following advantages:
According to the utility model, the pressure relief opening and the sealing block are arranged, so that when the pressure in the valve body is overlarge, the pressure can extrude the sealing block, thereby extruding the supporting spring to play a role in pressure relief, and the valve and the pipeline can be effectively protected, so that the leakage of a medium caused by rupture of the valve due to overlarge pressure can be prevented; the arrangement of the adjusting structure of the utility model enables the opening pressure of the sealing block to be adjustable; the storage structure is arranged, so that the medium leaked to the rear side of the sealing block can be stored in the storage structure and discharged, and the subsequent pressure relief function of the sealing block is not affected.
Further, the sealing block is matched with the pressure relief opening, the section of the sealing block is trapezoid, sliding blocks are fixedly arranged on two sides of the lower end of the sealing block, sliding grooves are formed in the positions, corresponding to the two sides of the main pipeline, of the pressure relief opening, and the sliding blocks are clamped in the corresponding sliding grooves.
By adopting the technical scheme, the utility model has the following advantages:
The cross section of the sealing block is trapezoid, the sealing performance of the sealing block and the pressure relief opening is enhanced, the sealing block can be effectively prevented from moving upwards to be separated from the pressure relief opening, and the sliding block and the sliding groove are arranged to play a role in limiting the displacement of the sealing block, so that the sealing block can be effectively prevented from moving downwards to be separated from the pressure relief opening.
Further, the adjusting structure comprises an internal thread ring, a bottom plate is fixedly arranged at the lower end of the inner side of the internal thread ring, a ring is fixedly arranged at the upper end of the bottom plate, the supporting spring is clamped in the ring, and a circulation port is arranged at the position, corresponding to the inner side of the supporting spring, of the bottom plate.
By adopting the technical scheme, the utility model has the following advantages:
According to the utility model, the internal thread ring and the bottom plate are arranged, so that when the internal thread ring is spirally close to the main pipeline, the supporting spring can be extruded, the pushing pressure of the sealing block is increased, the opening pressure of the sealing block can be effectively regulated, and the pressure can be regulated according to the temperature environment.
Further, an external thread surface is arranged on the outer side of the main pipeline, and the internal thread ring is sleeved outside the main pipeline and is in threaded connection with the main pipeline.
By adopting the technical scheme, the utility model has the following advantages:
The arrangement of the external thread surface enables the internal thread ring to adjust the distance by threads.
Further, the storage structure comprises a sealing cover and a connecting ring, wherein the upper end of the connecting ring is fixedly connected with the lower end of the internal thread ring, an internal thread groove is formed in the upper end of the sealing cover, and the internal thread groove is in threaded connection with the lower end of the connecting ring.
By adopting the technical scheme, the utility model has the following advantages:
the sealing cover is arranged, so that the medium leaked into the connecting ring can be discharged through opening the sealing cover, and the medium leaked to the rear side of the sealing block is prevented from affecting the pressure release function of the sealing block.
Furthermore, an inclined plate is fixedly arranged on one side of the pressure relief opening in the valve body.
By adopting the technical scheme, the utility model has the following advantages:
The inclined plate is arranged to prevent the sealing block from being impacted due to overlarge impact force when the medium enters, so that the sealing block is not affected by the impact force of the medium, the pressure of the water inlet is not changed, and the medium is not refluxed.
Further, the valve pocket internal fixation is equipped with the disk seat, the case lower extreme with the disk seat upper end offsets, the valve body upper end is equipped with the valve gap through the bolt fastening, go up the valve gap center and run through threaded connection and be equipped with the valve rod, the valve rod lower extreme with case fixed connection, valve rod upper end and hand wheel fixed connection, the valve rod with be equipped with sealing filler between the upper valve gap upper end, it is equipped with sealing cover plate through the bolt fastening to go up the valve cover upper end, sealing cover plate lower extreme with sealing filler offsets.
By adopting the technical scheme, the utility model has the following advantages:
The valve rod is in threaded connection with the upper valve cover, so that when the hand wheel is rotated to open the valve, the valve rod can be driven to move upwards, and the valve core is driven to leave the valve seat, so that medium circulation is realized.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.
Reference numerals: 1. a valve body; 101. an inflow channel; 102. a valve cavity; 103. an outflow channel; 2. a cover; 201. an internal thread groove; 3. a bottom plate; 301. a flow port; 4. a main pipe; 401. an external thread; 5. an external thread; 501. a slide block; 6. an external thread; 7. a valve stem; 8. an upper valve cover; 9. sealing filler; 10. sealing the cover plate; 11. a hand wheel; 12. an inclined plate; 13. a pressure relief port; 14. a connecting ring; 15. a loop; 16. a support spring; 17. an internally threaded ring; 18. and a sliding groove.
Detailed Description
As shown in fig. 1 to 2, in the specific embodiment, a stop valve with pressure relief protection function includes a valve body 1, a valve core and a valve rod 7, two ends of the valve body 1 are respectively provided with an inflow channel 101, an outflow channel 103 and a valve cavity 102 communicated with the inflow channel 101, a pressure relief opening 13 is arranged at the lower end of one side of the inflow channel 101 in the valve body 1, a sealing block is embedded in the pressure relief opening 13, a main pipe 4 is fixedly arranged at the position of the pressure relief opening 13 outside the valve body 1, an adjusting structure is arranged at the lower end of the main pipe 4, a supporting spring 16 is fixedly arranged between the sealing block and the adjusting structure, and a storage structure is arranged at one end of the adjusting structure far away from the sealing block.
Through the arrangement, the pressure relief opening 13 and the sealing block are arranged, so that when the pressure in the valve body 1 is overlarge, the pressure can squeeze the sealing block, thereby squeezing the supporting spring 16 to play a role in pressure relief, and the valve and the pipeline can be effectively protected, and medium leakage caused by rupture due to overlarge pressure can be prevented; the arrangement of the adjusting structure of the utility model enables the opening pressure of the sealing block to be adjustable; the storage structure is arranged, so that the medium leaked to the rear side of the sealing block can be stored in the storage structure and discharged, and the subsequent pressure relief function of the sealing block is not affected.
As shown in fig. 2, the sealing block is matched with the pressure relief opening 13, the cross section of the sealing block is in a trapezoid shape, sliding blocks 501 are fixedly arranged on two sides of the lower end of the sealing block, sliding grooves 18 are respectively arranged at positions, corresponding to the sliding blocks 501, of the two sides of the pressure relief opening 13 and the main pipeline 4, of the sealing block, and the sliding blocks 501 are clamped in the corresponding sliding grooves 18; the adjusting structure comprises an internal thread ring 17, a bottom plate 3 is fixedly arranged at the lower end of the inner side of the internal thread ring 17, a ring 15 is fixedly arranged at the upper end of the bottom plate 3, a supporting spring 16 is clamped in the ring 15, and a circulation port 301 is arranged at the position of the bottom plate 3 corresponding to the inner side of the supporting spring 16; the outer side of the main pipeline 4 is provided with an external thread 65401 surface, and an internal thread ring 17 is sleeved outside the main pipeline 4 and is in threaded connection with the main pipeline 4; the storage structure comprises a sealing cover 2 and a connecting ring 14, wherein the upper end of the connecting ring 14 is fixedly connected with the lower end of an internal thread ring 17, an internal thread groove 201 is formed in the upper end of the sealing cover 2, and the internal thread groove 201 is in threaded connection with the lower end of the connecting ring 14; an inclined plate 12 is fixedly arranged on one side of the pressure relief opening 13 in the valve body 1.
Through the arrangement, the cross section of the sealing block is trapezoid, the sealing property of the sealing block and the pressure relief opening 13 is enhanced, the sealing block can be effectively prevented from moving upwards to be separated from the pressure relief opening 13, and the arrangement of the sliding block 501 and the sliding groove 18 plays a role in limiting the displacement of the sealing block and can be effectively prevented from moving downwards to be separated from the pressure relief opening 13; according to the utility model, the internal thread ring 17 and the bottom plate 3 are arranged, so that when the internal thread ring 17 is spirally close to the main pipeline 4, the supporting spring 16 can be extruded, the pushing pressure of the sealing block is increased, the opening pressure of the sealing block can be effectively regulated, and the pressure can be regulated according to the temperature environment; the arrangement of the external thread 65401 surface enables the internal thread ring 17 to adjust the distance by threads; the sealing cover 2 is arranged, so that the medium leaked into the connecting ring 14 can be discharged through opening the sealing cover 2, and the medium leaked to the rear side of the sealing block is prevented from affecting the pressure release function of the sealing block; the inclined plate 12 is arranged to prevent the sealing block from being impacted due to overlarge impact force when the medium enters, so that the sealing block is not affected by the impact force of the medium, the pressure of the water inlet is not changed, and the medium is not refluxed.
As shown in fig. 1, a valve seat is fixedly arranged in a valve cavity 102, the lower end of a valve core is propped against the upper end of the valve seat, an upper valve cover 8 is fixedly arranged at the upper end of a valve body 1 through a bolt, a valve rod 7 is arranged in the center of the upper valve cover 8 in a penetrating manner through threaded connection, the lower end of the valve rod 7 is fixedly connected with the valve core, the upper end of the valve rod 7 is fixedly connected with a hand wheel 11, sealing filler 9 is arranged between the valve rod 7 and the upper end of the upper valve cover 8, a sealing cover 2 plate is fixedly arranged at the upper end of the upper valve cover 8 through a bolt, and the lower end of the sealing cover 2 plate is propped against the sealing filler 9.
Through the arrangement, the valve rod 7 is in threaded connection with the upper valve cover 8, so that when the hand wheel 11 is rotated to open the valve, the valve rod 7 can be driven to move upwards, and the valve core is driven to leave the valve seat, so that medium circulation is realized.
Working principle: when the valve is used, the valve rod 7 is driven to move upwards through the hand wheel 11 to enable the valve core to leave the valve seat, media can circulate at the moment, when the pressure in the valve body 1 is overlarge, the sealing block can be extruded to the supporting spring 16, so that the internal pressure of the valve body 1 can be released, when the internal pressure is normal, the elastic force of the supporting spring 16 can push the sealing block to return, a worker can rotate to control the extrusion of the supporting spring 16 according to the temperature environment used by the valve according to the pressure requirement, the opening pressure of the sealing block can be changed, when the pressure of the valve body 1 is overlarge, the media can flow into the connecting ring 14 through the circulation port 301 when the media leaks from between the sealing block and the main pipeline 4, and the worker can discharge the media in the connecting ring 14 by unscrewing the sealing cover 2, so that the media is prevented from remaining, and the subsequent pressure release function of the sealing block is affected.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a stop valve with pressure release protect function, includes valve body (1), case and valve rod (7), valve body (1) both ends are equipped with inflow channel (101) and outflow channel (103) respectively and rather than communicating valve pocket (102), its characterized in that, be located in valve body (1) the lower extreme of inflow channel (101) one side is equipped with pressure release mouth (13), the embedding is equipped with sealing block in pressure release mouth (13), valve body (1) outside is located pressure release mouth (13) department is fixed and is equipped with trunk line (4), trunk line (4) lower extreme is equipped with adjusting structure, sealing block with the fixed supporting spring (16) that is equipped with between the adjusting structure, adjusting structure keeps away from the one end of sealing block is equipped with storage structure.
2. The stop valve with the pressure relief protection function according to claim 1, wherein the sealing block is matched with the pressure relief opening (13), the cross section of the sealing block is trapezoid, sliding blocks (501) are fixedly arranged on two sides of the lower end of the sealing block, sliding grooves (18) are formed in positions, corresponding to the sliding blocks (501), of the two sides of the pressure relief opening (13) and the two sides of the main pipeline (4), and the sliding blocks (501) are clamped in the corresponding sliding grooves (18).
3. The stop valve with the pressure relief protection function according to claim 2, characterized in that the adjusting structure comprises an internal thread ring (17), a bottom plate (3) is fixedly arranged at the lower end of the inner side of the internal thread ring (17), a ring (15) is fixedly arranged at the upper end of the bottom plate (3), the supporting spring (16) is clamped in the ring (15), and a circulation port (301) is arranged at the position of the bottom plate (3) corresponding to the inner side of the supporting spring (16).
4. A shut-off valve with pressure relief protection function according to claim 3, characterized in that the outside of the main pipe (4) is provided with an external thread (6) (5) (401) surface, and the internal thread ring (17) is sleeved outside the main pipe (4) and is in threaded connection with the main pipe (4).
5. The stop valve with the pressure relief protection function according to claim 4, wherein the storage structure comprises a sealing cover (2) and a connecting ring (14), the upper end of the connecting ring (14) is fixedly connected with the lower end of the internal thread ring (17), an internal thread groove (201) is formed in the upper end of the sealing cover (2), and the internal thread groove (201) is in threaded connection with the lower end of the connecting ring (14).
6. The stop valve with the pressure relief protection function according to claim 5, wherein an inclined plate (12) is fixedly arranged on one side of the pressure relief opening (13) in the valve body (1).
7. The stop valve with the pressure relief protection function according to claim 1, characterized in that a valve seat is fixedly arranged in the valve cavity (102), the lower end of the valve core is propped against the upper end of the valve seat, an upper valve cover (8) is fixedly arranged at the upper end of the valve body (1) through bolts, a valve rod (7) is arranged at the center of the upper valve cover (8) in a penetrating manner through threads, the lower end of the valve rod (7) is fixedly connected with the valve core, the upper end of the valve rod (7) is fixedly connected with a hand wheel (11), sealing filler (9) is arranged between the upper end of the valve rod (7) and the upper end of the upper valve cover (8), a sealing cover (2) plate is fixedly arranged at the upper end of the upper valve cover (8) through bolts, and the lower end of the sealing cover (2) plate is propped against the sealing filler (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737479.4U CN220870171U (en) | 2023-10-12 | 2023-10-12 | Stop valve with pressure release protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737479.4U CN220870171U (en) | 2023-10-12 | 2023-10-12 | Stop valve with pressure release protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870171U true CN220870171U (en) | 2024-04-30 |
Family
ID=90818321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322737479.4U Active CN220870171U (en) | 2023-10-12 | 2023-10-12 | Stop valve with pressure release protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870171U (en) |
-
2023
- 2023-10-12 CN CN202322737479.4U patent/CN220870171U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |