CN220770241U - Dead weight type safety valve - Google Patents
Dead weight type safety valve Download PDFInfo
- Publication number
- CN220770241U CN220770241U CN202322535822.7U CN202322535822U CN220770241U CN 220770241 U CN220770241 U CN 220770241U CN 202322535822 U CN202322535822 U CN 202322535822U CN 220770241 U CN220770241 U CN 220770241U
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- valve
- valve rod
- weight
- dead weight
- sealing
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- 238000007789 sealing Methods 0.000 claims description 46
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The application discloses dead weight formula relief valve relates to the relief valve field, and it includes the main valve body, sets up in the inside valve rod of main valve body, the valve rod lateral wall can be dismantled and be connected with a plurality of first counter weight plates, a plurality of first counter weight plate diameter is the same and with the coaxial setting of valve rod. The safety valve has the effect of being convenient for adjust relief valve operating pressure.
Description
Technical Field
The application relates to the field of safety valves, in particular to a dead weight type safety valve.
Background
Dead weight type safety valve is a safety device for preventing pressure equipment and container or pressure in container from rising or exceeding limit
The patent of publication number CN207261751U discloses a low pressure dead weight formula relief valve, including valve body, disk seat and valve gap, the top at the valve body is installed to the valve gap, the disk seat is installed in the valve body bottom, its characterized in that: still include valve clack, uide bushing, bracing piece and aggravate the piece, the lower terminal surface of valve clack is connected to the exit of disk seat, be equipped with the uide bushing between valve clack and the valve gap, the uide bushing suit is outside the upper portion of valve clack, be equipped with the cushion in the valve clack, be equipped with the weight in the valve gap, the bracing piece is located between weight and the cushion, be equipped with a plurality of through-holes in the weight, the up end of valve gap is equipped with the screw hole, the screw plug is installed to the screw hole, the head of screw plug is connected with a bolt.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, and in the use process, the weight of a valve rod in the safety valve is certain, so that the bearable pressure of the safety valve is certain, and when the pressure in a pipeline changes, the safety valve needs to be replaced to be continuously used, and the bearable pressure of the safety valve cannot be regulated.
Disclosure of Invention
In order to facilitate the regulation of relief valve operating pressure, the present application provides a dead weight relief valve.
The dead weight type safety valve provided by the application adopts the following technical scheme:
the utility model provides a dead weight formula relief valve, includes the main valve body, sets up in the inside valve rod of main valve body, the valve rod lateral wall can dismantle and be connected with a plurality of first counter weight boards, a plurality of first counter weight board diameter is the same and with the coaxial setting of valve rod.
Through adopting above-mentioned technical scheme, in the use, can adjust first counter weight board quantity to change the counter weight on the valve rod, reach the purpose to valve rod weight adjustment, after the valve rod weight change, the pressure that its can bear changes, the relief valve of being convenient for adapts to the pipeline of different pressures, makes its adaptability reinforcing.
Optionally, a first flow port is formed in the bottom of the main valve body, a second flow port is formed in the side wall of the main valve body, and a connecting pipe is fixed at the first flow port and is communicated with the first flow port.
Through adopting above-mentioned technical scheme, connecting pipe and first communication mouth intercommunication, first communication mouth and second communication mouth all communicate with the main valve internal portion to the working medium circulation in the main valve internal portion of being convenient for.
Optionally, a sealing guiding surface is formed at the bottom of the valve rod, and a sealing sleeve for enhancing the sealing performance is fixed on the inner side wall of the first flow port.
By adopting the technical scheme, the sealing sleeve is abutted with the sealing guide surface in the initial state, so that the first flow opening is closed, and the sealing sleeve plays a sealing role and reduces the possibility of damaging the inner side wall of the first flow opening.
Optionally, the installation mouth has been seted up at the main valve body top just the installation mouth inside wall diameter is greater than first counter weight board diameter, the installation mouth inside wall can be dismantled and be connected with the sealing block just set up on the sealing block and be used for wearing to establish the mounting hole of valve rod.
Through adopting above-mentioned technical scheme, the installation mouth inside wall diameter is greater than first counter weight board diameter, the installation of first counter weight board of being convenient for, sealing block and valve rod cooperation have played spacing effect to the valve rod simultaneously, have strengthened the leakproofness.
Optionally, the diameter of the inner side wall of the mounting hole is the same as the diameter of the valve rod.
Through adopting above-mentioned technical scheme, mounting hole inside wall diameter is the same with the valve rod diameter, and the valve rod of being convenient for slides in the mounting hole, has reduced the possibility that the valve rod position takes place the skew.
Optionally, the valve rod top can be dismantled and be connected with a plurality of second counter weight boards, and a plurality of second counter weight boards set up with the valve rod is coaxial, the valve rod top can be dismantled and be connected with the fixation nut that is used for fixed second counter weight board.
Through adopting above-mentioned technical scheme, can adjust the valve rod weight in the relief valve outside, the regulation process is comparatively convenient, need not take out the valve rod.
Optionally, a support ring for supporting the second weight plate is fixed to the valve rod side wall.
By adopting the technical scheme, the support is used for supporting the second weight plate, so that the possibility of changing the position of the second weight plate is reduced.
Optionally, a sealing ring for enhancing the sealing performance is fixed at the top of the sealing block.
By adopting the technical scheme, the sealing degree of the diameter of the valve rod and the sealing block is enhanced by the sealing ring, and the possibility of leakage of working medium is reduced.
In summary, the present application includes at least one of the following beneficial technical effects of the dead weight type relief valve:
1. the number of the first weight balancing plates is adjusted, so that the weight on the valve rod is changed, the purpose of adjusting the weight of the valve rod is achieved, after the weight of the valve rod is changed, the bearable pressure of the valve rod is changed, and the safety valve is convenient for adapting to pipelines with different pressures, so that the adaptability of the safety valve is enhanced;
2. the second weight plate can adjust the weight of the valve rod outside the safety valve, and the adjusting process is convenient without taking out the valve rod.
Drawings
FIG. 1 is a semi-sectional view of a body structure of an embodiment of the present application.
Reference numerals illustrate:
1. a main valve body; 2. a valve stem; 3. a first weight plate; 4. a first flow port; 5. a second flow port; 6. a connecting pipe; 7. sealing the guide surface; 8. sealing sleeve; 9. a mounting port; 10. a sealing block; 11. a mounting hole; 12. a second weight plate; 13. a fixing nut; 14. a support ring; 15. and (3) a sealing ring.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a dead weight type safety valve. Referring to fig. 1, the dead weight type safety valve comprises a main valve body 1, wherein the main valve body 1 is hollow, a valve rod 2 is arranged in the main valve body 1, and the valve rod 2 and the main valve body 1 are coaxially arranged; the first circulation port 4 has been seted up to main valve body 1 bottom, and second circulation port 5 has been seted up to main valve body 1 lateral wall, and first circulation port 4 all runs through main valve body 1 with second circulation port 5, and first circulation port 4 department is fixed with connecting pipe 6 through integrated into one piece's mode, and connecting pipe 6 inside wall diameter is the same with first circulation port 4 inside wall diameter and connecting pipe 6 and first circulation port 4 intercommunication to make connecting pipe 6 and the inside intercommunication of main valve body 1.
Referring to fig. 1, a sealing guide surface 7 is formed at the bottom of the valve rod 2, a sealing sleeve 8 is fixed on the inner side wall of the first circulation port 4 in an adhesive manner, the sealing guide surface 7 is abutted against the end surface of the sealing sleeve 8 in an initial state, the sealing sleeve 8 can be made of rubber or metal, the sealing sleeve 8 is abutted against the sealing guide surface 7 to play a sealing role, the possibility that the inner side wall of the first circulation port 4 is damaged is reduced, and the service life of the safety valve is prolonged; the valve rod 2 is arranged on the inside wall of the main valve body 1 in a sleeved mode and is provided with a plurality of first weight plates 3, the first weight plates 3 and the valve rod 2 are coaxially arranged, the valve rod 2 and the first weight plates 3 are connected through threads, the possibility of collision between the two adjacent first weight plates 3 is reduced through the mode of threaded connection, the weight of the valve rod can be adjusted through adjusting the number of the first weight plates 3, and the valve rod is convenient to adapt to pipelines under different pressure demands.
Referring to fig. 1, a mounting opening 9 is formed in the top of a main valve body 1, the diameter of the inner side wall of the mounting opening 9 is larger than that of a first weight plate 3, the mounting opening 9 is convenient for mounting the first weight plate 3, a sealing block 10 is detachably connected to the inner side wall of the mounting opening 9 in time through a threaded connection mode, the sealing block 10 is coaxially arranged with the main valve body 1, a mounting hole 11 is formed in the sealing block 10, the mounting hole 11 is coaxially arranged with the sealing block 10, the mounting hole 11 penetrates through the sealing block 10 along the axis direction of the mounting hole 11, the diameter of the inner side wall of the mounting hole 11 is the same as that of a valve rod 2, and the valve rod 2 penetrates through the mounting hole 11 and can slide along the axis direction of the mounting hole 11 in the mounting hole 11, so that the safety valve is convenient to work; simultaneously, the sealing block 10 up end is fixed with sealing ring 15 through the mode of bonding, and sealing ring 15 is the rubber material, and sealing ring 15 is interference fit with valve rod 2 lateral wall, and sealing ring 15 is used for reinforcing the leakproofness between valve rod 2 lateral wall and the mounting hole 11 inside wall.
Referring to fig. 1, the top of the valve rod 2 is detachably connected with a plurality of second weight plates 12, the plurality of second weight plates 12 are coaxially arranged with the valve rod 2, the side wall of the valve rod 2 is fixedly provided with a supporting ring 14 in an integrated forming manner, the supporting ring 14 is coaxially arranged with the valve rod 2, the supporting ring 14 is used for supporting the second weight plates 12, the side wall of the valve rod 2 is detachably connected with a fixing nut 13 in a threaded connection manner, the position of the second weight plates 12 is fixed by adjusting the fixing nut 13, and the total weight of the valve rod 2 can be adjusted by adjusting the number of the second weight plates 12, so that the safety valve is applicable to pipelines with different pressure requirements, and meanwhile, the second weight plates 12 are arranged outside the safety valve, so that the weight of the safety valve is convenient to adjust.
The implementation principle of the dead weight type safety valve in the embodiment of the application is as follows: when the valve is used, the number of the first weight plates 3 is firstly adjusted, so that the first weight plates 3 are arranged in the required number, the bearable pressure of the safety valve is fixed, the number of the second weight plates 12 is adjusted according to the requirements of different pipelines after the safety valve is installed on the pipelines, and the second weight plates 12 are arranged outside the main valve body 1, so that the adjusting process is more convenient.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a dead weight formula relief valve, includes main valve body (1), sets up in valve rod (2) of main valve body (1) inside, its characterized in that: the valve rod (2) side wall is detachably connected with a plurality of first weight plates (3), and the diameters of the first weight plates (3) are the same and are coaxially arranged with the valve rod (2).
2. The dead weight safety valve of claim 1, wherein: the main valve is characterized in that a first flow port (4) is formed in the bottom of the main valve body (1), a second flow port (5) is formed in the side wall of the main valve body (1), a connecting pipe (6) is fixed at the first flow port (4), and the connecting pipe (6) is communicated with the first flow port (4).
3. The dead weight safety valve of claim 2, wherein: the sealing guide surface (7) is arranged at the bottom of the valve rod (2), and a sealing sleeve (8) for enhancing the sealing performance is fixed on the inner side wall of the first flow port (4).
4. The dead weight safety valve of claim 1, wherein: the main valve is characterized in that the top of the main valve body (1) is provided with a mounting opening (9) and the diameter of the inner side wall of the mounting opening (9) is larger than that of the first weight plate (3), the inner side wall of the mounting opening (9) is detachably connected with a sealing block (10) and a mounting hole (11) for penetrating the valve rod (2) is formed in the sealing block (10).
5. The dead weight safety valve of claim 4, wherein: the diameter of the inner side wall of the mounting hole (11) is the same as the diameter of the valve rod (2).
6. The dead weight safety valve of claim 1, wherein: the valve rod (2) top is detachably connected with a plurality of second weight plates (12), and a plurality of second weight plates (12) and valve rod (2) coaxial setting, valve rod (2) top is detachably connected with fixation nut (13) that are used for fixed second weight plates (12).
7. The dead weight safety valve of claim 1, wherein: the side wall of the valve rod (2) is fixedly provided with a supporting ring (14) for supporting the second weight plate (12).
8. The dead weight safety valve of claim 4, wherein: and a sealing ring (15) for enhancing the sealing performance is fixed at the top of the sealing block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322535822.7U CN220770241U (en) | 2023-09-18 | 2023-09-18 | Dead weight type safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322535822.7U CN220770241U (en) | 2023-09-18 | 2023-09-18 | Dead weight type safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770241U true CN220770241U (en) | 2024-04-12 |
Family
ID=90602837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322535822.7U Active CN220770241U (en) | 2023-09-18 | 2023-09-18 | Dead weight type safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770241U (en) |
-
2023
- 2023-09-18 CN CN202322535822.7U patent/CN220770241U/en active Active
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