CN211555778U - Vacuum circuit breaker convenient to pressure release - Google Patents
Vacuum circuit breaker convenient to pressure release Download PDFInfo
- Publication number
- CN211555778U CN211555778U CN201922484124.2U CN201922484124U CN211555778U CN 211555778 U CN211555778 U CN 211555778U CN 201922484124 U CN201922484124 U CN 201922484124U CN 211555778 U CN211555778 U CN 211555778U
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- China
- Prior art keywords
- cover plate
- guide post
- pressure relief
- circuit breaker
- vacuum circuit
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- 238000007789 sealing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a vacuum circuit breaker convenient for pressure relief, belonging to the technical field of vacuum circuit breakers, comprising a box body, a cover plate, a guide post and a limiting block; the cover plate is connected with the top of the box body and is provided with a plurality of connecting holes; the guide posts are a plurality of, one end of each guide post is connected with the interior of the box body, and the other end of each guide post extends out of one connecting hole and is connected with the connecting hole in a sliding manner; the limiting block is connected with one end, extending out of the cover plate, of the guide column, and a gap is reserved between the limiting block and the cover plate; the utility model discloses a cooperation of box, apron, guide post and stopper, after the arc appears burning in the box, atmospheric pressure in the box increases, and the apron is backed down in the effect of box internal gas pressure, because the both ends of guide post are connected with stopper and box respectively, and the guide post passes the apron, consequently can move along the axis direction of guide post after the apron is backed down, and the stopper can block the apron, reduces the condition of apron departure to reduce the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of vacuum circuit breaker, more specifically say, relate to a vacuum circuit breaker convenient to pressure release.
Background
An outdoor high-voltage alternating-current vacuum circuit breaker is switching equipment which can close, bear and break normal current of an operation loop and can also close, bear and break specified overload current within specified time; the outdoor high-voltage alternating-current vacuum circuit breaker in the prior art comprises a sealed box body, a main shaft, an insulating pull rod, a connecting lever, a vacuum arc extinguish chamber and a hoisting device, wherein the main shaft, the insulating pull rod, the connecting lever and the vacuum arc extinguish chamber are installed in the sealed box; however, after an arc occurs in the sealed box body, the gas pressure in the sealed box body is increased, and a cover plate of the box body is opened, so that potential safety hazards are generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum circuit breaker convenient to pressure release aims at solving because there is the technical problem of potential safety hazard in the seal box after the arc, the lid.
In order to achieve the above object, the utility model adopts the following technical scheme: the vacuum circuit breaker convenient for pressure relief comprises a box body, a cover plate, a guide post and a limiting block; the cover plate is connected with the top of the box body and is provided with a plurality of connecting holes; the guide posts are a plurality of, one end of each guide post is connected with the interior of the box body, and the other end of each guide post extends out of one connecting hole and is connected with the connecting hole in a sliding manner; the limiting block is connected with one end, extending out of the cover plate, of the guide column, and a gap is reserved between the limiting block and the cover plate and used for limiting the cover plate to move.
As another embodiment of this application, the stopper with be provided with between the apron and be used for right the apron is popped out the back and is carried out the elastic component who cushions, elastic component's one end with stopper fixed connection, the other end with apron fixed connection.
As another embodiment of the application, a supporting block is fixedly arranged in the box body, threaded holes are formed in the supporting block and the limiting block, threads with opposite rotation directions are arranged at two ends of the guide column respectively, and two ends of the guide column are connected with the threaded holes of the supporting block and the limiting block respectively.
As another embodiment of the application, a clamp is fixedly arranged in the box body and used for clamping the guide post.
As another embodiment of the application, a clamping groove is formed in the guide column, and the clamp is clamped on the clamping groove.
As another embodiment of the application, the cover plate is provided with a plurality of grooves facing the interior of the box body, the bottoms of the grooves are provided with through holes, and the cover plate is provided with a cover body for covering the through holes; the cover plate is provided with a connecting assembly used for connecting the cover body.
As another embodiment of the present application, the cover and the cover plate are attracted by a ferromagnetic component.
As another embodiment of this application, coupling assembling includes wire rope, wire rope's one end with cover body fixed connection, the other end with apron fixed connection.
As another embodiment of this application, the cover body with be provided with the connecting pipe between the through-hole, the connecting pipe with apron fixed connection, cover body lid closes behind the through-hole, the parcel the connecting pipe.
As another embodiment of the application, a sealing strip is arranged between the cover plate and the box body.
The utility model provides a pair of vacuum circuit breaker convenient to pressure release's beneficial effect lies in: compared with the prior art, the vacuum circuit breaker convenient for pressure relief of the utility model has the advantages that through the matching of the box body, the cover plate, the guide post and the limiting block, after the arc is burnt in the box body, the air pressure in the box body is increased, the cover plate is ejected under the action of the air pressure in the box body, because the two ends of the guide post are respectively connected with the limiting block and the box body, and the guide post passes through the cover plate, the cover plate can move along the axial direction of the guide post after being ejected, the limiting block can block the cover plate, the flying-out condition of the cover plate is reduced, and the potential safety hazard is reduced; the guide post is connected with the connecting hole in a sealing manner, so that the sealing between the cover plate and the box body can be ensured, and the movement of the cover plate can be limited when the cover plate is jacked open; the space between the limiting block and the cover plate can provide a space for the cover plate to move, and after the cover plate is separated from the box body, the air pressure in the box body can be the same as the air pressure outside the box body, so that the flying-out condition of the cover plate is convenient to reduce, and the potential safety hazard is convenient to reduce.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vacuum circuit breaker facilitating pressure relief according to an embodiment of the present invention;
fig. 2 is a schematic view of a guide post portion of a vacuum circuit breaker facilitating pressure relief according to an embodiment of the present invention;
FIG. 3 is a schematic view of the method of section A of FIG. 2;
fig. 4 is a schematic diagram of a groove portion of a vacuum circuit breaker facilitating pressure relief according to an embodiment of the present invention.
In the figure: 1. a box body; 11. a support block; 12. a clip; 2. a cover plate; 21. connecting holes; 22. a spring; 23. a groove; 231. a through hole; 24. a cover body; 25. a wire rope; 26. a connecting pipe; 3. a guide post; 31. a clamping groove; 4. and a limiting block.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a vacuum circuit breaker with convenient pressure relief will be described. A vacuum circuit breaker convenient for pressure relief comprises a box body 1, a cover plate 2, a guide post 3 and a limiting block 4; the cover plate 2 is connected with the top of the box body 1 and is provided with a plurality of connecting holes 21; the number of the guide posts 3 is multiple, one end of each guide post 3 is connected with the inside of the box body 1, and the other end of each guide post 3 extends out of one connecting hole 21 and is connected with the connecting hole 21 in a sliding mode; the limiting block 4 is connected with one end of the guide column 3 extending out of the cover plate 2, and a gap is reserved between the limiting block and the cover plate 2 and used for limiting the movement of the cover plate 2.
The utility model provides a vacuum circuit breaker convenient to pressure release, compared with the prior art, the utility model relates to a vacuum circuit breaker convenient to pressure release passes through box 1, apron 2, guide post 3 and stopper 4's cooperation, after appearing burning the arc in box 1, the atmospheric pressure in box 1 increases, apron 2 is backed down under the effect of the atmospheric pressure in box 1, because the both ends of guide post 3 are connected with stopper 4 and box 1 respectively, and guide post 3 passes apron 2, therefore can move along the axis direction of guide post 3 after apron 2 is backed down, stopper 4 can block apron 2, reduce the condition that apron 2 flies out, thereby reduce the potential safety hazard; the guide post 3 is hermetically connected with the connecting hole 21, so that the sealing between the cover plate 2 and the box body 1 can be ensured, and the movement of the cover plate 2 can be limited when the cover plate 2 is jacked open; the space between the limiting block 4 and the cover plate 2 can provide a space for the cover plate 2 to move, and after the cover plate 2 is separated from the box body 1, the air pressure in the box body 1 can be the same as the air pressure outside the box body, so that the flying-out condition of the cover plate 2 can be reduced conveniently, and the potential safety hazard can be reduced conveniently.
As a specific embodiment of the vacuum circuit breaker convenient for pressure relief, please refer to fig. 1 to 4, an elastic component for buffering the cover plate 2 after being popped out is arranged between the limiting block 4 and the cover plate 2, one end of the elastic component is fixedly connected with the limiting block 4, and the other end is fixedly connected with the cover plate 2; the cover plate 2 is connected with the box body 1 through bolts, steel stranded wires are fixedly connected to the bolts and the nuts, and the steel stranded wires are fixedly connected with the cover plate 2; after the cover plate 2 is jacked open, the bolts and the nuts are likely to fly out, and the bolts and the nuts are connected with the cover plate 2 through the steel stranded wires and can provide tension for the flying bolts and nuts, so that potential safety hazards caused by the flying bolts and the flying nuts are reduced; the elastic component comprises a plurality of springs 22, the springs 22 are arranged between the limiting block 4 and the cover plate 2, one end of each spring 22 is fixedly connected with the limiting block 4, and the other end of each spring 22 is fixedly connected with the cover plate 2; after apron 2 is backed out, apron 2 can be to stopper 4 motion, and the effect of buffering can be played to the motion of apron 2 to spring 22 between apron 2 and the stopper 4, can reduce the impact force of apron 2 to stopper 4, is convenient for reduce the condition of apron 2 departure, reduces the potential safety hazard.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a supporting block 11 is fixedly disposed in a box body 1, threaded holes are respectively disposed on the supporting block 11 and a limiting block 4, threads with opposite turning directions are respectively disposed at two ends of a guiding column 3, and two ends of the guiding column 3 are respectively connected with the threaded holes on the supporting block 11 and the limiting block 4; the screw hole on the supporting shoe 11 and the screw hole on the stopper 4 revolve to opposite directions, and guide post 3 passes through threaded connection with supporting shoe 11 and stopper 4 to be convenient for guide post 3 and box 1 and stopper 4's dismouting, can fix box 1 and stopper 4, thereby when apron 2 is backed down, guide post 3 can lead apron 2, and stopper 4 is spacing to apron 2, thereby reduces the condition of apron 2 departure.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, a clamp 12 is fixedly disposed in the box body 1, and the clamp 12 is used for clamping the guide post 3; the clamp 12 clamps the guide post 3, can strengthen the connection between the guide post 3 and the box body 1, is convenient for fix the guide post 3 on the box body 1, thereby being convenient for the guide post 3 to limit the movement of the cover plate 2 and reducing the flying-out condition of the cover plate 2.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a clamping groove 31 is formed on the guide post 3, and the clamp 12 is clamped on the clamping groove 31; the clamp 12 clamps the guide post 3 through the clamping groove 31, so that when the guide post 3 tends to move along the axis direction, the clamp 12 can provide force along the axis direction for the guide post 3, the movement of the guide post 3 is reduced, and the guide post 3 is convenient to fix on the box body 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a plurality of grooves 23 facing the inside of the box body 1 are formed on the cover plate 2, a through hole 231 is formed at the bottom of the groove 23, and a cover body 24 for covering the through hole 231 is arranged on the cover plate 2; the cover plate 2 is provided with a connecting component for connecting the cover body 24; after the inside atmospheric pressure of box 1 increases, cover body 24 is backed down in the effect of atmospheric pressure to make through-hole 231 and external intercommunication, be convenient for carry out preliminary pressure release to box 1, can reduce the impulsive force that box 1 was backed up, thereby reduce the condition of apron 2 departure.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the cover body 24 is attracted to the cover plate 2 through a ferromagnetic component, the ferromagnetic component includes a magnet and an iron sheet, the magnet is fixedly connected to the cover body 24, the iron sheet is fixedly connected to the cover plate 2, the cover body 24 is attracted to the cover plate 2 through the magnet, so as to seal the through hole 231, which is convenient for the daily use of the cover plate 2; after the air pressure in the box body 1 is increased, the cover body 24 can be firstly pushed open to carry out preliminary pressure relief in the box body 1, so that the impact force for pushing open the cover plate 2 is convenient to reduce, and the condition that the cover plate 2 flies out is convenient to reduce.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the connection assembly includes a steel wire 25, one end of the steel wire 25 is fixedly connected to the cover body 24, and the other end is fixedly connected to the cover plate 2; after the cover body 24 is jacked open, the steel wire rope 25 can provide pulling force for the cover body 24, the flying-out condition of the cover body 24 is reduced, the through hole 231 on the cover plate 2 is convenient to communicate with the outside, and preliminary pressure relief is convenient to be carried out on the box body 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a connecting pipe 26 is disposed between the cover body 24 and the through hole 231, the connecting pipe 26 is fixedly connected to the cover plate 2, and the cover body 24 covers the through hole 231 and wraps the connecting pipe 26; the connection pipe 26 between the cover 24 and the through hole 231 can reduce water entering the case 1 through the through hole 231 in rainy and snowy weather, thereby facilitating normal use of the vacuum circuit breaker.
As a specific implementation of the embodiment of the utility model, please refer to fig. 1 to 4, be provided with the sealing strip between apron 2 and the box 1, the sealing strip can increase the sealing performance between apron 2 and the box 1, after apron 2 is opened and falls down by the top, the sealing strip also can cushion apron 2, reduces the damage that the collision of apron 2 and box 1 and led to the fact.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A vacuum interrupter convenient for pressure relief, comprising:
a box body (1);
the cover plate (2) is connected with the top of the box body (1) and is provided with a plurality of connecting holes (21);
the number of the guide posts (3) is multiple, one end of each guide post (3) is connected with the interior of the box body (1), and the other end of each guide post (3) extends out of one connecting hole (21) and is connected with the connecting hole (21) in a sliding mode; and
and the limiting block (4) is connected with one end, extending out of the cover plate (2), of the guide column (3), and a gap is reserved between the limiting block and the cover plate (2) and used for limiting the movement of the cover plate (2).
2. The vacuum circuit breaker convenient for pressure relief according to claim 1, wherein an elastic component for buffering the cover plate (2) after the cover plate (2) is ejected is arranged between the limit block (4) and the cover plate (2), one end of the elastic component is fixedly connected with the limit block (4), and the other end is fixedly connected with the cover plate (2).
3. The vacuum circuit breaker convenient for pressure relief according to claim 2, wherein a supporting block (11) is fixedly arranged in the box body (1), the supporting block (11) and the limiting block (4) are both provided with threaded holes, two ends of the guiding column (3) are respectively provided with threads with opposite rotation directions, and two ends of the guiding column (3) are respectively connected with the threaded holes on the supporting block (11) and the limiting block (4).
4. A vacuum interrupter facilitating pressure relief according to claim 3, wherein a clip (12) is fixedly arranged in the case (1), and the clip (12) is used for clamping the guide post (3).
5. The vacuum circuit breaker convenient for pressure relief as claimed in claim 4, wherein said guide post (3) is provided with a clamping groove (31), and said clamp (12) is used for clamping on said clamping groove (31).
6. The vacuum circuit breaker convenient for pressure relief according to claim 1, wherein the cover plate (2) is provided with a plurality of grooves (23) facing the inside of the case (1), the bottom of each groove (23) is provided with a through hole (231), and the cover plate (2) is provided with a cover body (24) for covering the through hole (231); the cover plate (2) is provided with a connecting assembly used for connecting the cover body (24).
7. Vacuum interrupter facilitating pressure relief according to claim 6, characterized in that the cover (24) is attached to the cover plate (2) by a ferromagnetic component.
8. The vacuum circuit breaker facilitating pressure relief according to claim 6, wherein the connecting assembly comprises a steel cable (25), one end of the steel cable (25) is fixedly connected with the cover (24), and the other end is fixedly connected with the cover plate (2).
9. The vacuum circuit breaker convenient for pressure relief according to claim 6, wherein a connecting pipe (26) is arranged between the cover body (24) and the through hole (231), the connecting pipe (26) is fixedly connected with the cover plate (2), and the cover body (24) covers the through hole (231) and wraps the connecting pipe (26).
10. Vacuum circuit breaker facilitating pressure relief according to claim 1, characterized in that a sealing strip is arranged between the cover plate (2) and the tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484124.2U CN211555778U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker convenient to pressure release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484124.2U CN211555778U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker convenient to pressure release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555778U true CN211555778U (en) | 2020-09-22 |
Family
ID=72512863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484124.2U Active CN211555778U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker convenient to pressure release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555778U (en) |
-
2019
- 2019-12-31 CN CN201922484124.2U patent/CN211555778U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 050035 No. 498 Taihang street, high tech Zone, Shijiazhuang, Hebei Patentee after: Hebei Tuopu Electric Co.,Ltd. Country or region after: China Address before: 050000 No. 498 Taihang street, high tech Zone, Shijiazhuang City, Hebei Province Patentee before: HEBEI TUOPU ELECTRICITY Co.,Ltd. Country or region before: China |