CN214378193U - Vacuum circuit breaker shell - Google Patents

Abstract

The application relates to the technical field of vacuum circuit breakers, and discloses a vacuum circuit breaker shell which comprises a bottom plate, wherein four side plates are arranged on the upper end surface of the bottom plate, a cavity is formed by enclosing the bottom plate and the four side plates, fixing holes communicated with the cavity are formed in the side plates, an operation plate is arranged on one side of each side plate, which is far away from the cavity, an operation hole is formed in one side of each operation plate, which is far away from the side plates, and the operation plates are connected with the side plates through locking structures; the jack of intercommunication cavity is seted up to the curb plate, locking structure is including wearing to locate the action bars of jack, the action bars is kept away from one side of operation panel and can be dismantled and be connected with the operation piece, the one end fixedly connected with spring of operation piece towards the operation panel, when the operation panel was installed on the curb plate, the spring was in compression state and the spring was kept away from the one end of operation piece and the terminal surface butt that the operation panel was kept away from to the curb plate, fixed orifices and operation hole intercommunication, and this application has the effect that improves curb plate intensity.

Description

Vacuum circuit breaker shell

Technical Field

The application relates to the technical field of vacuum circuit breakers, in particular to a vacuum circuit breaker shell.

Background

At present, outdoor vacuum circuit breakers are used more and more widely in power distribution networks and have the advantages of small size, light weight, suitability for frequent operation and no need of maintenance for arc extinction.

The shell of the outdoor high-voltage vacuum circuit breaker in the related art comprises a bottom plate, a side plate is arranged above the bottom plate, a mounting hole is formed in the side plate, and a sleeve is mounted in the mounting hole.

With respect to the related art in the above, the inventor considers that the side plate of the circuit breaker has poor strength, and the side plate is easily deformed when the force of a worker installing the bushing is too large, thereby affecting the performance of the circuit breaker.

SUMMERY OF THE UTILITY MODEL

In order to improve the weak problem of curb plate intensity, this application provides a vacuum circuit breaker casing.

The application provides a vacuum circuit breaker casing adopts following technical scheme:

a vacuum circuit breaker shell comprises a bottom plate, wherein four side plates are arranged on the upper end surface of the bottom plate, a cavity is formed by the bottom plate and the four side plates in an enclosing mode, fixing holes communicated with the cavity are formed in the side plates, an operation plate is arranged on one side of each side plate, which is far away from the cavity, an operation hole is formed in one side of each operation plate, which is far away from the side plates, and the operation plates are connected with the side plates through locking structures; the jack of intercommunication cavity is seted up to the curb plate, locking structure is including wearing to locate the action bars of jack, the action bars is kept away from one side of operation panel and can be dismantled and be connected with the operation piece, the one end fixedly connected with spring of operation piece towards the operation panel, when the operation panel was installed on the curb plate, the spring was in compression state and the spring was kept away from the one end of operation piece and the terminal surface butt that the operation panel was kept away from to the curb plate, fixed orifices and operation hole intercommunication.

By adopting the technical scheme, the operation plate is connected with the side plate, and the side plate is thickened, so that the strength of the side plate is improved, and the deformation resistance of the fixing hole of the side plate is improved; when installing the operation panel on the curb plate, insert the fixed orifices in the action bars follow the curb plate outside earlier, be connected operation piece and action bars again to make the both ends of spring respectively with operation piece and curb plate butt, the restriction action bars moves along the axis of fixed orifices, is connected operation panel and curb plate, otherwise, with operation panel and curb plate separation.

Optionally, the end face of the spring far away from the operation block is fixedly connected with a support block.

Through adopting above-mentioned technical scheme, when spring and curb plate butt, the contact surface of spring and curb plate is little, and so the spring is powerful to the curb plate pressure, causes the damage to the curb plate easily, and sets up the supporting shoe, and the supporting shoe is big with the curb plate contact surface, and so the supporting shoe is little to the pressure of curb plate, makes the curb plate not fragile.

Optionally, a guide rod is arranged on one side of the supporting block facing the spring, and a guide hole for the guide rod to pass through is formed on one side of the operating block facing the supporting block.

Through adopting above-mentioned technical scheme, the guide bar is worn to locate in the guiding hole, makes the supporting shoe only can move along the axis direction of guide bar, has the effect of direction, makes the supporting shoe can be smoothly with the curb plate butt.

Optionally, the spring is sleeved outside the guide rod.

Through adopting above-mentioned technical scheme, the spring receives the spacing of guide bar, and when the spring compression or extension, the skew can not take place for the position of spring.

Optionally, a nut is connected to the guide rod in a threaded manner, and an end face of the nut, facing the support block, abuts against an end face of the operating block, far away from the operating rod.

Through adopting above-mentioned technical scheme, set up the nut and have spacing effect, prevent that the guide bar from breaking away from the guiding hole.

Optionally, the locking structure is provided with a plurality of locking structures, and the plurality of locking structures are distributed along the axis of the fixing hole in a circumferential array.

Through adopting above-mentioned technical scheme, through a plurality of locking structure, improve the stability that operation panel and curb plate are connected.

Optionally, the fixing holes are arrayed in a horizontal direction.

Through adopting above-mentioned technical scheme, set up a plurality of fixed orificess, can install a plurality of pipes.

Optionally, a through hole is formed below the bottom plate.

Through adopting above-mentioned technical scheme, when the circuit breaker internal plant during operation, can make the inside temperature of circuit breaker rise, make circuit breaker internals damage easily when the inside high temperature of circuit breaker, set up the through-hole and make the air in the cavity pass through the outside of bleeder vent to circuit breaker, and in external air enters into the cavity through the bleeder vent, dispel the heat to circuit breaker inside, reduce the inside temperature of circuit breaker.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the operation plate is connected with the side plate, and the side plate is thickened, so that the strength of the side plate is improved, and the deformation resistance of the fixing hole of the side plate is improved; when the operation plate is installed on the side plate, the operation rod is firstly inserted into the fixing hole from the outside of the side plate, then the operation block is connected with the operation rod, two ends of the spring are respectively abutted against the operation block and the side plate, the operation rod is limited to move along the axis of the fixing hole, the operation plate is connected with the side plate, otherwise, the operation plate is separated from the side plate;

2. the supporting block is arranged, so that the locking structure can better compress the side plates and limit the movement of the operating rod.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of the raised side wall in connected relation to the operator panel;

fig. 3 is an exploded view highlighting the locking mechanism.

Reference numerals: 1. a base plate; 11. a through hole; 2. a side plate; 21. a fixing hole; 22. a jack; 3. a cavity; 4. an operation panel; 41. an operation hole; 5. a locking structure; 51. an operating lever; 511. a threaded hole; 52. an operation block; 521. a threaded rod; 522. a guide hole; 53. a spring; 54. a support block; 55. a guide bar; 56. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment discloses a vacuum circuit breaker housing. Referring to fig. 1 and 2, the circuit breaker case includes a bottom plate 1 and a side plate 2. Curb plate 2 is provided with four, four equal fixed connection in bottom plate 1's top of curb plate 2, and bottom plate 1 encloses with four curb plates 2 and closes to be formed with cavity 3.

Referring to fig. 1 and 2, three fixing holes 21 are formed in the side plate 2, the three fixing holes 21 are distributed in an array manner along the horizontal direction, and the three fixing holes 21 are communicated with the cavity 3. One side that cavity 3 was kept away from to curb plate 2 is provided with three operation panel 4, and operation hole 41 has all been seted up to one side that curb plate 2 was kept away from to three operation panel 4.

Referring to fig. 2 and 3, the operating plate 4 is connected to the side plate 2 by two locking structures 5, the two locking structures 5 being distributed in a circumferential array along the axis of the fixing hole 21. The lock structure 5 includes an operation lever 51, an operation block 52, and a spring 53. The side plate 2 is provided with an insertion hole 22 through which the operating lever 51 passes. The operating rod 51 is fixedly connected to an end surface of the operating plate 4 facing the side plate 2, and a threaded hole 511 is opened in an end surface of the operating rod 51 remote from the operating plate 4. The side of the operating lever 51 remote from the operating plate 4 is detachably connected to the operating block 52. A threaded rod 521 is fixedly connected to one side of the operating block 52, and the threaded rod 521 is in threaded connection with the threaded hole 511.

Referring to fig. 2 and 3, the springs 53 are provided in four, four springs 53 circumferentially arrayed along the axis of the operating rod 51. The four springs 53 are each fixedly connected to an end face of the operating block 52 facing the operating plate 4. The end of each of the four springs 53 remote from the operating block 52 is fixedly connected with a supporting block 54. The end faces of the four supporting blocks 54 facing the operating block 52 are fixedly connected with guide rods 55, so that the springs 53 are sleeved outside the guide rods 55. The end surface of the operating block 52 facing the support block 54 is opened with four guide holes 522, and the four guide rods 55 are respectively inserted into the four guide holes 522.

Referring to fig. 2 and 3, the four guide rods 55 are threaded at their outer circumferential surfaces, and a nut 56 is threadedly coupled to each guide rod 55. When the operation plate 4 is mounted on the side plate 2, the fixing hole 21 is aligned with the operation hole 41, the spring 53 is in a compressed state, and the end surface of the spring 53 remote from the support block 54 abuts against the end surface of the side plate 2 close to the cavity 3.

Referring to fig. 1, a plurality of through-hole 11 has been seted up to one side that curb plate 2 was kept away from to bottom plate 1, makes the inside air and the external circulation of circuit breaker, has the radiating effect, prevents the inside high temperature of circuit breaker.

The implementation principle of the vacuum circuit breaker shell in the embodiment of the application is as follows: when the operation panel 4 is attached, the operation rod 51 is first inserted through the insertion hole 22, and then the threaded rod 521 is screwed to the operation rod 51 until the support block 54 abuts against the side plate 2, thereby fixing the operation panel 4.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the design concept of the present application should be included in the protection scope of the present application.

Claims (8)

1. The utility model provides a vacuum circuit breaker casing, includes bottom plate (1), the up end of bottom plate (1) is provided with four curb plates (2), its characterized in that: the bottom plate (1) and the four side plates (2) are enclosed to form a cavity (3), the side plates (2) are provided with fixing holes (21) communicated with the cavity (3), one side of each side plate (2) far away from the cavity (3) is provided with an operating plate (4), one side of each operating plate (4) far away from the side plate (2) is provided with an operating hole (41), and the operating plates (4) are connected with the side plates (2) through locking structures (5); jack (22) of intercommunication cavity (3) are seted up in curb plate (2), locking structure (5) are including wearing to locate action bars (51) of jack (22), one side that action bars (51) kept away from action plates (4) can be dismantled and be connected with operation piece (52), one end fixedly connected with spring (53) of operation piece (52) orientation action plates (4), when operation plates (4) are installed on curb plate (2), spring (53) are in compression state and spring (53) keep away from the one end of operation piece (52) and curb plate (2) and keep away from the terminal surface butt of action plates (4), fixed orifices (21) and operation hole (41) intercommunication.

2. A vacuum interrupter housing according to claim 1, wherein: the end face, far away from the operating block (52), of the spring (53) is fixedly connected with a supporting block (54).

3. A vacuum interrupter housing according to claim 2, wherein: one side of the supporting block (54) facing the spring (53) is provided with a guide rod (55), and one side of the operating block (52) facing the supporting block (54) is provided with a guide hole (522) for the guide rod (55) to pass through.

4. A vacuum interrupter housing according to claim 3, wherein: the spring (53) is sleeved outside the guide rod (55).

5. A vacuum interrupter housing according to claim 4, wherein: the guide rod (55) is in threaded connection with a nut (56), and the end face, facing the supporting block (54), of the nut (56) is abutted to the end face, far away from the operating rod (51), of the operating block (52).

6. A vacuum interrupter housing according to claim 1, wherein: the locking structures (5) are arranged in a plurality, and the locking structures (5) are distributed in a circumferential array along the axis of the fixing hole (21).

7. A vacuum interrupter housing according to claim 1, wherein: the fixing holes (21) are arrayed in a plurality along the horizontal direction.

8. A vacuum interrupter housing according to claim 1, wherein: and a through hole (11) is formed below the bottom plate (1).

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