CN220488392U - Emergency closing mechanism of stop valve - Google Patents
Emergency closing mechanism of stop valve Download PDFInfo
- Publication number
- CN220488392U CN220488392U CN202321783183.XU CN202321783183U CN220488392U CN 220488392 U CN220488392 U CN 220488392U CN 202321783183 U CN202321783183 U CN 202321783183U CN 220488392 U CN220488392 U CN 220488392U
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- Prior art keywords
- magnet
- machine body
- driven rod
- sleeve
- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 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
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model relates to the technical field of stop valves, in particular to an emergency closing mechanism of a stop valve, which comprises a machine body, wherein the machine body is internally provided with: the through hole is arranged on the partition plate, and the water inlet and the water outlet are arranged on the machine body; the driving rod is movably arranged in the threaded sleeve, and the driving rod is movably propped against the through hole; the sleeve is fixedly connected to the left cavity, the spring and the driven rod are arranged in the sleeve, and the driven rod is movably abutted against the through hole; the fixing mechanism is arranged in the left cavity and is used for fixing the driven rod. When the driving rod breaks, the fourth magnet is pulled to slide downwards in the first sliding groove, the opposite poles of the fourth magnet and the third magnet are attracted, the moving block is separated from the wedge-shaped block, and meanwhile, the driven rod is movably abutted against the through hole under the elastic acting force of the spring, so that the machine body is sealed in an emergency mode.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to an emergency closing mechanism of a stop valve.
Background
The stop valve disclosed by Chinese patent publication No. CN217328482U, the device comprises a valve body, a valve cover arranged on the valve body, a valve rod arranged on the valve cover and extending into the valve body, an actuator arranged on the valve rod and a valve clack, wherein a butt joint hole for the valve rod to be inserted is formed in the valve clack, a limit assembly for circumferential rotation and axial limit between the valve clack and the valve rod is formed in the outer limit groove in a matched manner, and the valve rod is inserted into the butt joint hole to form limit matching of the inner limit groove and the limit assembly. This scheme simple structure just can realize the convenient equipment between valve rod and the valve clack to very big reduction the work load of manual assembly, reduced manufacturing cost and the cost of labor of enterprise, but still because the structure is limited lead to there are following problems in the use:
when the stop valve is closed, the valve clack is propped against the valve seat through the driving valve rod to block the flow of fluid in the stop valve, but the valve rod is required to resist the fluid when moving, so that the fluid resistance is large, the valve rod is easy to incline under the impact of long-time fluid resistance, and is broken when serious, so that the stop valve cannot be closed, the stop valve in the state cannot be reclosed in the prior device and the technology, and a large amount of fluid is lost in the process, so that irrecoverable loss is caused.
Disclosure of Invention
The utility model aims to solve the problem that a stop valve cannot be closed again after a valve rod is broken in the prior art, and provides an emergency closing mechanism of the stop valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an emergency closing mechanism of a stop valve, comprising a machine body, wherein the machine body is provided with:
the device comprises a machine body, a baffle, a left chamber and a right chamber, wherein the baffle is fixedly connected in the machine body, and the machine body separates the left chamber and the right chamber through the baffle;
the through hole is formed in the partition board, the water inlet and the water outlet are formed in the machine body, the water inlet is communicated with the left cavity, and the water outlet is communicated with the right cavity;
the driving rod is movably arranged in the threaded sleeve, and the driving rod is movably propped against the through hole;
the sleeve is fixedly connected to the left cavity, the spring and the driven rod are arranged in the sleeve, and the driven rod is movably abutted against the through hole;
the first magnet is fixedly arranged on the driving rod, the second magnet is fixedly arranged on the driven rod, and homopolar repulsion is realized between the first magnet and the second magnet;
the fixing mechanism is arranged in the left cavity and is used for fixing the driven rod.
Preferably, the left cavity is communicated with the right cavity through a through hole, and the driving rod is in threaded connection with the threaded sleeve.
Preferably, the spring is welded in the sleeve, the driven rod is sleeved in the sleeve in a sliding manner, and the free end of the spring is fixedly connected with the driven rod.
Preferably, the fixing mechanism includes:
the wedge-shaped block is fixedly connected to the driven rod, the first chute is arranged on the left cavity, and the second chute is arranged on the outer end of the machine body;
the third magnet is arranged in the second sliding groove, the moving block is fixedly connected to the third magnet, the fourth magnet is sleeved in the first sliding groove in a sliding mode, and the third magnet corresponds to the fourth magnet.
Preferably, the first chute and the second chute are both vertically arranged, and the third magnet is slidably sleeved in the second chute.
Preferably, the moving block is provided with a wedge-shaped groove, the wedge-shaped groove is in wedge-shaped connection with the wedge-shaped block, and the third magnet and the fourth magnet are attracted by different poles.
Compared with the prior art, the utility model has the following advantages:
1. when the driving rod breaks, the fourth magnet is pulled to slide downwards in the first sliding groove, the opposite poles of the fourth magnet and the third magnet attract each other, the third magnet drives the moving block to move downwards, the moving block is separated from the wedge-shaped block, and meanwhile, the driven rod is movably abutted against the through hole under the elastic acting force of the spring, so that the machine body is sealed in an emergency mode.
2. The utility model drives the driving rod to move downwards in the threaded sleeve, the driving rod drives the first magnet to move downwards, the same poles of the first magnet and the second magnet repel each other, the driven rod drives the wedge block to move downwards, and the wedge block is in wedge connection with the wedge groove of the moving block, so that the driven rod is fixed.
Drawings
FIG. 1 is a schematic view of an emergency closing mechanism of a stop valve according to the present utility model;
FIG. 2 is a schematic illustration of an emergency closure mechanism for a shut-off valve according to the present utility model;
FIG. 3 is a schematic left-sectional view of an emergency closing mechanism of a shut-off valve according to the present utility model;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;
fig. 5 is a schematic diagram of a moving block of an emergency closing mechanism of a stop valve according to the present utility model.
In the figure: 1. a body; 2. a partition plate; 3. a left chamber; 4. a right chamber; 5. a through hole; 6. a water inlet; 7. a water outlet; 8. a thread sleeve; 9. a driving rod; 10. a sleeve; 11. a spring; 12. a driven rod; 13. a first magnet; 14. a second magnet; 15. wedge blocks; 16. a first chute; 17. a second chute; 18. a third magnet; 19. a moving block; 20. and a fourth magnet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 5, an emergency closing mechanism of a shut-off valve includes a body 1, and the body 1 is provided with:
the separation plate 2, the left chamber 3 and the right chamber 4 can be made of nonferrous, nickel, cobalt and other materials, so that the separation plate 2 is prevented from influencing homopolar repulsive force between the first magnet 13 and the second magnet 14, the separation plate 2 is fixedly connected in the machine body 1, and the machine body 1 separates the left chamber 3 and the right chamber 4 through the separation plate 2;
the through hole 5, the water inlet 6 and the water outlet 7 are formed in the partition board 2, the water inlet 6 and the water outlet 7 are formed in the machine body 1, the water inlet 6 is communicated with the left cavity 3, and the water outlet 7 is communicated with the right cavity 4;
the driving rod 9 is movably arranged in the threaded sleeve 8, and the driving rod 9 is movably abutted against the through hole 5;
the device comprises a sleeve 10, a spring 11 and a driven rod 12, wherein the sleeve 10 is fixedly connected to the left cavity 3, the spring 11 and the driven rod 12 are arranged in the sleeve 10, and the driven rod 12 is movably abutted against the through hole 5;
the driving rod 9 can be used for opening and closing operation at the moment;
a fixing mechanism provided in the left chamber 3 and for fixing the driven lever 12.
The left chamber 3 is communicated with the right chamber 4 through the through hole 5, and the driving rod 9 is in threaded connection with the threaded sleeve 8.
The spring 11 is welded in the sleeve 10, the driven rod 12 is sleeved in the sleeve 10 in a sliding manner, and the free end of the spring 11 is fixedly connected with the driven rod 12.
The fixing mechanism includes:
the wedge-shaped block 15, the first chute 16 and the second chute 17, the wedge-shaped block 15 is fixedly connected to the driven rod 12, the first chute 16 is arranged on the left cavity 3, and the second chute 17 is arranged on the outer end of the machine body 1;
the third magnet 18, the movable block 19 and the fourth magnet 20, the third magnet 18 is arranged in the second chute 17, the movable block 19 is fixedly connected to the third magnet 18, the fourth magnet 20 is slidably sleeved in the first chute 16, and the third magnet 18 and the fourth magnet 20 correspond to each other.
The first chute 16 and the second chute 17 are vertically arranged, and the third magnet 18 is slidably sleeved in the second chute 17.
The movable block 19 is provided with a wedge-shaped groove, the wedge-shaped groove is in wedge-shaped connection with the wedge-shaped block 15, the movable block 19 is indirectly driven to move downwards by the heteropolar attraction between the third magnet 18 and the fourth magnet 20 so as to release the connection between the movable block 19 and the wedge-shaped block 15, and under the elastic acting force of the spring 11, the driven rod 12 is movably abutted against the through hole 5 to carry out emergency sealing on the machine body 1.
The utility model can explain its functional principle by the following modes of operation:
the water inlet 6 and the water outlet 7 are respectively arranged on a pipeline, the driving rod 9 is rotated to enable the driving rod 9 to move downwards in the threaded sleeve 8, the driving rod 9 drives the first magnet 13 to move downwards, the first magnet 13 and the second magnet 14 repel each other in the same polarity, the driven rod 12 slides downwards in the sleeve 10, the driven rod 12 extrudes the spring 11, the driven rod 12 drives the wedge block 15 to move downwards, the wedge block 15 is in wedge connection with a wedge groove of the moving block 19, the driven rod 12 is further fixed, the driving rod 9 is continuously driven to move downwards, the driving rod 9 is enabled to be in movable contact with the through hole 5, and the communication between the left cavity 3 and the right cavity 4 is closed;
when the driving rod 9 breaks, the fourth magnet 20 is pulled to slide downwards in the first sliding groove 16, the opposite poles of the fourth magnet 20 and the third magnet 18 are attracted, the third magnet 18 slides downwards in the second sliding groove 17, the third magnet 18 drives the moving block 19 to move downwards, the moving block 19 is separated from the wedge-shaped block 15, meanwhile, under the elastic acting force of the spring 11, the driven rod 12 moves upwards in the sleeve 10, the driven rod 12 and the through hole 5 are in movable contact, and the machine body 1 is sealed in an emergency.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Emergency closing mechanism of a shut-off valve, comprising a machine body (1), characterized in that, the machine body (1) is provided with:
the device comprises a partition board (2), a left chamber (3) and a right chamber (4), wherein the partition board (2) is fixedly connected into a machine body (1), and the machine body (1) is divided into the left chamber (3) and the right chamber (4) through the partition board (2);
the device comprises a through hole (5), a water inlet (6) and a water outlet (7), wherein the through hole (5) is formed in a partition plate (2), the water inlet (6) and the water outlet (7) are formed in a machine body (1), the water inlet (6) is communicated with a left cavity (3), and the water outlet (7) is communicated with a right cavity (4);
the device comprises a threaded sleeve (8) and a driving rod (9), wherein the threaded sleeve (8) is fixedly connected to a right cavity (4), the driving rod (9) is movably arranged in the threaded sleeve (8), and the driving rod (9) is movably abutted against the through hole (5);
the device comprises a sleeve (10), a spring (11) and a driven rod (12), wherein the sleeve (10) is fixedly connected to a left cavity (3), the spring (11) and the driven rod (12) are arranged in the sleeve (10), and the driven rod (12) is movably abutted against the through hole (5);
the device comprises a first magnet (13) and a second magnet (14), wherein the first magnet (13) is fixedly arranged on a driving rod (9), the second magnet (14) is fixedly arranged on a driven rod (12), and the first magnet (13) and the second magnet (14) are in homopolar repulsion;
the fixing mechanism is arranged in the left chamber (3) and is used for fixing the driven rod (12).
2. An emergency closing mechanism of a shut-off valve according to claim 1, characterized in that the left chamber (3) communicates with the right chamber (4) through a through hole (5), and the driving rod (9) is screwed with a threaded sleeve (8).
3. An emergency closing mechanism of a shut-off valve according to claim 1, characterized in that the spring (11) is welded in the sleeve (10), the driven rod (12) is slidably sleeved in the sleeve (10), and the free end of the spring (11) is fixedly connected with the driven rod (12).
4. The emergency closure mechanism for a shut-off valve of claim 1, wherein said securing mechanism comprises:
the device comprises a wedge block (15), a first chute (16) and a second chute (17), wherein the wedge block (15) is fixedly connected to a driven rod (12), the first chute (16) is arranged on a left cavity (3), and the second chute (17) is arranged at the outer end of a machine body (1);
the movable magnet comprises a third magnet (18), a movable block (19) and a fourth magnet (20), wherein the third magnet (18) is arranged in a second chute (17), the movable block (19) is fixedly connected to the third magnet (18), the fourth magnet (20) is slidably sleeved in a first chute (16), and the third magnet (18) and the fourth magnet (20) are corresponding.
5. The emergency closing mechanism of a shut-off valve according to claim 4, wherein the first runner (16) and the second runner (17) are vertically arranged, and the third magnet (18) is slidably sleeved in the second runner (17).
6. The emergency closing mechanism of a stop valve according to claim 4, wherein the moving block (19) is provided with a wedge-shaped groove, the wedge-shaped groove is in wedge-shaped connection with the wedge-shaped block (15), and the third magnet (18) and the fourth magnet (20) are attracted by opposite poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321783183.XU CN220488392U (en) | 2023-07-08 | 2023-07-08 | Emergency closing mechanism of stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321783183.XU CN220488392U (en) | 2023-07-08 | 2023-07-08 | Emergency closing mechanism of stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488392U true CN220488392U (en) | 2024-02-13 |
Family
ID=89829719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321783183.XU Active CN220488392U (en) | 2023-07-08 | 2023-07-08 | Emergency closing mechanism of stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488392U (en) |
-
2023
- 2023-07-08 CN CN202321783183.XU patent/CN220488392U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |