CN211649196U - Safety valve capable of adapting to large flow - Google Patents
Safety valve capable of adapting to large flow Download PDFInfo
- Publication number
- CN211649196U CN211649196U CN201922148282.0U CN201922148282U CN211649196U CN 211649196 U CN211649196 U CN 211649196U CN 201922148282 U CN201922148282 U CN 201922148282U CN 211649196 U CN211649196 U CN 211649196U
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- valve
- valve body
- chamber
- stroke nut
- rod
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
The utility model discloses a safety valve capable of adapting to large flow, which comprises a lower valve body, a valve core, a valve rod, a spring, a stroke nut, a valve cap and an upper valve body, wherein the interior of the upper valve body is respectively arranged into a stroke nut installation chamber and a sealing chamber from top to bottom, the stroke nut installation chamber is communicated with the sealing chamber, the bottom of the interior of the lower valve body is provided with a water inlet, the middle position of the interior of the lower valve body is arranged into a connection chamber, one side of the interior of the lower valve body is provided with a water outlet, the connection chamber is communicated with the water inlet and the water outlet, the upper valve body is fixedly arranged on the top surface of the lower valve body through screws, the top of the upper valve body is provided with the valve cap, the upper surface and the lower surface of the valve rod are provided with threads, when pressure is adjusted, the valve cap is screwed and pulled, the pressure adjusting mode is simple and effective.
Description
Technical Field
The utility model relates to a relief valve technical field specifically is a can adapt to large-traffic relief valve.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation.
The existing safety valve for the large-flow pipeline needs to be disassembled when pressure is adjusted, and adjustment is troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can adapt to large-traffic relief valve to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a safety valve capable of adapting to large flow comprises a lower valve body, a valve core, a valve rod, a spring, a stroke nut, a valve cap and an upper valve body, wherein the interior of the upper valve body is respectively provided with a stroke nut installation chamber and a sealing chamber from top to bottom, the stroke nut installation chamber is communicated with the sealing chamber, the bottom of the interior of the lower valve body is provided with a water inlet, the middle position of the interior of the lower valve body is provided with a connection chamber, one side of the interior of the lower valve body is provided with a water outlet, the connection chamber is communicated with the water inlet and the water outlet, the upper valve body is fixedly installed on the top surface of the lower valve body through screws, the top of the upper valve body is provided with the valve cap, the upper surface and the lower surface of the valve rod are provided with threads, the valve rod is arranged inside the upper valve body, the stroke nut, the lower part of the stroke nut is provided with a spring sleeved on the surface of the valve rod, the lower part of the spring is provided with a valve core sleeved on the surface of the valve rod, the lower part of the valve core is provided with a lower limiting nut in threaded connection with the valve rod, the valve core is arranged inside the connecting chamber, the upper surface of the valve rod is sleeved with an upper limiting nut, the top of the valve rod penetrates through the valve cover, and the top of the valve rod is provided with a hand wheel.
Preferably, a rubber sealing ring is arranged between the upper valve body and the lower valve body, and the valve cover is in threaded connection with the upper valve body.
Preferably, the top of valve gap is provided with the valve cap, and the valve cap is threaded connection with the valve gap.
Preferably, the valve core consists of a valve core main body, an upper rubber sealing ring and a lower rubber sealing gasket, the upper rubber sealing ring is sleeved on the upper surface of the valve core main body, and the lower rubber sealing gasket is fixedly arranged on the bottom surface of the valve core main body through a screw.
Preferably, the valve core is slidable on the surface of the valve stem.
Preferably, the side wall of the stroke nut installation chamber is provided with a spline, the spline and the upper valve body are of an integrated structure, and spline grooves matched with the spline are formed in two sides of the stroke nut.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses when carrying out pressure adjustment, twist the valve cap soon earlier and twist the drop-down, then rotatory hand wheel can, the utility model discloses it is rational in infrastructure effective, pressure adjustment's mode is simple effective.
2. After the safety valve is opened, the valve core moves upwards and enters the sealing chamber, the upper rubber sealing ring on the upper portion of the valve core seals the top of the sealing chamber, and the lower rubber sealing gasket on the lower portion of the valve core can seal the bottom of the sealing chamber, so that the safety valve is prevented from being leaked.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is a schematic view of the valve core structure of the present invention.
In the figure: 1. a lower valve body; 2. a valve core; 3. a rubber seal ring; 4. a valve stem; 5. a spring; 6. a travel nut; 7. a hand wheel; 8. a bonnet; 9. a valve cover; 10. an upper restraining nut; 11. a travel nut mounting chamber; 12. a spline; 13. an upper valve body; 14. a sealed chamber; 15. a connection chamber; 16. draining; 17. a water inlet; 18. a lower restraint nut; 19. a lower rubber gasket; 20. a valve core main body; 21. and (4) an upper rubber sealing ring.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a safety valve capable of adapting to a large flow rate includes a lower valve body 1, a valve core 2, a valve rod 4, a spring 5, a stroke nut 6, a valve cap 8, a valve cap 9, and an upper valve body 13, where the interior of the upper valve body 13 is respectively set from top to bottom as a stroke nut installation chamber 11 and a sealing chamber 14, the stroke nut installation chamber 11 is communicated with the sealing chamber 14, the bottom of the interior of the lower valve body 1 is set as a water inlet 17, the middle position of the interior of the lower valve body 1 is set as a connection chamber 15, one side of the interior of the lower valve body 1 is set as a water outlet 16, the connection chamber 15 is communicated with the water inlet 17 and the water outlet 16, the upper valve body 13 is fixedly installed on the top surface of the lower valve body 1 through screws, the top of the upper valve body 13 is provided with the valve cap 9, the upper surface and the lower surface of, and the stroke nut 6 is arranged in the stroke nut mounting chamber 11, the lower part of the stroke nut 6 is provided with a spring 5 sleeved on the surface of the valve rod 4, the lower part of the spring 5 is provided with a valve core 2 sleeved on the surface of the valve rod 4, the lower part of the valve core 2 is provided with a lower limiting nut 18 in threaded connection with the valve rod 4, the valve core 2 is arranged in the connecting chamber 15, the upper part of the valve rod 4 is sleeved with an upper limiting nut 10, the top of the valve rod 4 penetrates through the valve cover 9, and the top of the valve rod 4 is provided with a hand.
Referring to fig. 1, a rubber seal ring 3 is disposed between an upper valve body 13 and a lower valve body 1, a bonnet 9 is in threaded connection with the upper valve body 13, a bonnet 8 is disposed on the top of the bonnet 9, and the bonnet 8 is in threaded connection with the bonnet 9.
Referring to fig. 2, the valve core 2 is composed of a valve core main body 20, an upper rubber seal 21 and a lower rubber seal 19, the upper rubber seal 21 is sleeved on the upper surface of the valve core main body 20, the lower rubber seal 19 is fixedly mounted on the bottom surface of the valve core main body 20 through screws, and the valve core 2 can slide on the surface of the valve rod 4.
Referring to fig. 1, a spline 12 is disposed on a side wall of the travel nut mounting chamber 11, the spline 12 and the upper valve body 13 are of an integrated structure, and spline grooves matched with the spline 12 are formed on two sides of the travel nut 6; when pressure adjustment is carried out, the valve cap 8 is screwed and pulled down firstly, then the hand wheel 7 is rotated, when the hand wheel 7 rotates, the valve rod 4 is driven to rotate, when the valve rod 4 rotates, the stroke nut 6 can move upwards or downwards according to the rotating direction of the valve rod 4, when the stroke nut 6 moves upwards, the spring 5 can become long and loose, the spring 5 can reduce the pressure on the valve core 2, at the moment, the pressure specified value of the safety valve is reduced, when the stroke nut 6 descends, the spring 5 can shorten and tighten, the spring 5 can improve the pressure on the valve core 2, at the moment, the pressure specified value of the safety valve can be improved, after adjustment, the safety valve can be normally used after a pressure test, the utility model has the advantages of reasonable and effective structure, simple and effective pressure adjustment mode, after the safety valve core 2 is opened, the valve core 2 moves upwards and enters the sealing chamber 14, at the moment, the upper rubber sealing ring 21 positioned on the upper part of, the lower rubber gasket 19 at the lower part of the valve core 2 seals the bottom of the sealing chamber 14, which is beneficial to avoiding leakage of the safety valve.
The utility model discloses a theory of operation and use flow: the utility model discloses when carrying out pressure adjustment, twist earlier the valve cap 8 and twist and draw down, then rotatory hand wheel 7 can, can drive valve rod 4 rotatory when hand wheel 7 is rotatory, when valve rod 4 produces the rotation, stroke nut 6 can move up or descend according to the direction of rotation of valve rod 4, when stroke nut 6 moves up, spring 5 can become long and become loose, spring 5 can reduce the pressure to case 2, the pressure regulation value of relief valve reduces this moment, when stroke nut 6 descends, spring 5 can shorten and become tight, spring 5 can improve the pressure to case 2, the pressure regulation value of relief valve can improve this moment, after the adjustment, the relief valve need can normally be used after the pressure test, the utility model discloses rational in infrastructure is effective, the mode of pressure adjustment is simple and effective, after the relief valve is opened, case 2 upwards moves and enters seal chamber 14, the upper rubber seal 21 that lies in case 2 upper portion this moment seals the top of seal chamber 14, the lower rubber gasket 19 at the lower part of the valve core 2 seals the bottom of the sealing chamber 14, which is beneficial to avoiding leakage of the safety valve.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a can adapt to large-traffic relief valve, includes lower valve body (1), case (2), valve rod (4), spring (5), stroke nut (6), valve cap (8), valve gap (9) and last valve body (13), its characterized in that: the inner part of the upper valve body (13) is respectively provided with a stroke nut installation chamber (11) and a sealing chamber (14) from top to bottom, the stroke nut installation chamber (11) is communicated with the sealing chamber (14), the inner bottom of the lower valve body (1) is provided with a water inlet (17), the inner middle position of the lower valve body (1) is provided with a connection chamber (15), one side of the inner part of the lower valve body (1) is provided with a water outlet (16), the connection chamber (15) is communicated with the water inlet (17) and the water outlet (16), the upper valve body (13) is fixedly installed on the top surface of the lower valve body (1) through screws, the top of the upper valve body (13) is provided with a valve cover (9), the upper surface and the lower surface of the valve rod (4) are provided with threads, the valve rod (4) is arranged in the upper valve body (13), the stroke nut (6) is installed on the surface of the upper part of, and stroke nut (6) set up in the inside of stroke nut installation room (11), the lower part of stroke nut (6) is provided with spring (5) of suit on valve rod (4) surface, the lower part of spring (5) is provided with case (2) of suit on valve rod (4) surface, the lower part of case (2) is provided with lower limiting nut (18) with valve rod (4) threaded connection, case (2) set up inside connecting chamber (15), the upper portion of valve rod (4) is overlapped on the surface and is equipped with upper limiting nut (10), valve gap (9) is passed at the top of valve rod (4), and hand wheel (7) are installed at the top of valve rod (4).
2. A safety valve capable of accommodating high flows according to claim 1, wherein: a rubber sealing ring (3) is arranged between the upper valve body (13) and the lower valve body (1), and the valve cover (9) is in threaded connection with the upper valve body (13).
3. A safety valve capable of accommodating high flows according to claim 2, wherein: the top of valve gap (9) is provided with valve cap (8), and valve cap (8) and valve gap (9) are threaded connection.
4. A safety valve capable of accommodating high flows according to claim 1, wherein: the valve core (2) is composed of a valve core main body (20), an upper rubber sealing ring (21) and a lower rubber sealing gasket (19), the upper rubber sealing ring (21) is sleeved on the upper surface of the valve core main body (20), and the lower rubber sealing gasket (19) is fixedly installed on the bottom surface of the valve core main body (20) through a screw.
5. A safety valve capable of accommodating high flows according to claim 1 or 4, characterized in that: the valve core (2) can slide on the surface of the valve rod (4).
6. A safety valve capable of accommodating high flows according to claim 1, wherein: the stroke nut installation chamber is characterized in that a spline (12) is arranged on the side wall of the stroke nut installation chamber (11), the spline (12) and the upper valve body (13) are of an integrated structure, and spline grooves matched with the spline (12) are formed in two sides of the stroke nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148282.0U CN211649196U (en) | 2019-12-04 | 2019-12-04 | Safety valve capable of adapting to large flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148282.0U CN211649196U (en) | 2019-12-04 | 2019-12-04 | Safety valve capable of adapting to large flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649196U true CN211649196U (en) | 2020-10-09 |
Family
ID=72694494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922148282.0U Expired - Fee Related CN211649196U (en) | 2019-12-04 | 2019-12-04 | Safety valve capable of adapting to large flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294568A (en) * | 2021-06-21 | 2021-08-24 | 安泰科技股份有限公司 | Safety valve for pressure container |
| CN117180668A (en) * | 2023-09-28 | 2023-12-08 | 宜春市富锐气体有限责任公司 | A kitchen fire extinguishing device nitrogen bottle head valve with safety release function |
-
2019
- 2019-12-04 CN CN201922148282.0U patent/CN211649196U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294568A (en) * | 2021-06-21 | 2021-08-24 | 安泰科技股份有限公司 | Safety valve for pressure container |
| CN117180668A (en) * | 2023-09-28 | 2023-12-08 | 宜春市富锐气体有限责任公司 | A kitchen fire extinguishing device nitrogen bottle head valve with safety release function |
| CN117180668B (en) * | 2023-09-28 | 2026-01-23 | 宜春市富锐气体有限责任公司 | Kitchen fire extinguishing device nitrogen cylinder head valve with safety release function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |