CN218182125U

CN218182125U - Outdoor vacuum circuit breaker shell

Info

Publication number: CN218182125U
Application number: CN202222611507.3U
Authority: CN
Inventors: 马彩红; 汲海舰
Original assignee: Wuxi Zhongzhixin Machinery Technology Co ltd
Current assignee: Wuxi Zhongzhixin Machinery Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-30
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to the technical field of vacuum circuit breakers, and discloses an outdoor vacuum circuit breaker shell, which comprises a shell, wherein a plurality of perforations are arranged at the top end of the shell, a plurality of fastening components are arranged on the surface of the top end of the shell, each fastening component comprises a fastening ring, an extrusion ring is arranged outside each fastening ring, and a plurality of hidden holes are arranged on the surface of the inner wall of each extrusion ring along the circumferential direction; the utility model discloses simple structure makes stagger one by one between hidden hole and the ball groove of extrusion ring inner wall, so the ball can outwards extend under the extrusion of extrusion ring inner wall for the third distribution of ball can protrude the ball groove, convex ball then can strut the elastic component to the outside, and the ball also can the butt on the insulator outer wall simultaneously, then can lock the insulator fixedly, has guaranteed the fastness of insulator installation, avoids appearing the condition of insulator skew in the use.

Description

Outdoor vacuum circuit breaker shell

Technical Field

The utility model relates to a vacuum circuit breaker technical field specifically is an outdoor vacuum circuit breaker casing.

Background

At present, the outdoor vacuum circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks.

Through the retrieval, in chinese patent application No. 202120309249.6, disclosed an outdoor vacuum circuit breaker casing, it includes the body, the side of body is rotated and is connected with the handle, two fixed blocks of the side fixedly connected with of body, the fixed orifices has been seted up to one side that the fixed block kept away from each other, set up two inserted bars, two on hand the inserted bar is embedded into in two jacks respectively, be provided with restriction inserted bar pivoted limit structure on the fixed block, the draw-in groove has been seted up to the outer periphery of inserted bar, limit structure is including setting up spring and the kelly in the draw-in groove, open-ended terminal surface and kelly fixed connection are kept away from with the draw-in groove respectively to the both ends of spring, the card hole that supplies the kelly embedding is seted up to the inner wall of jack, and this application has the effect that prevents the handle whipping in the transportation.

However, in the above patent, since the through hole for mounting the insulator is fixed, if the diameter of the insulator is smaller than that of the through hole and a gap is left between the insulator and the through hole, it is difficult to secure the strength of the insulator, and the insulator is likely to be displaced during use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor vacuum circuit breaker casing to solve in above-mentioned patent, because the perforation of installation insulator is fixed, lead to when the perforation diameter of the diameter ratio of insulator is little, still leave the clearance between insulator and the perforation, then be difficult to guarantee the firm intensity of insulator, the problem of insulator skew appears easily when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outdoor vacuum circuit breaker casing, includes the shell, a plurality of is perforated has been seted up on the shell top, shell top surface is provided with a plurality of fastening components, fastening components includes the tighrening ring, the tighrening ring outside is provided with the extrusion ring, a plurality of hidden hole has been seted up along the circumferencial direction to extrusion ring inner wall surface, a plurality of ball groove has been seted up along the circumferencial direction to tighrening ring inner wall surface, ball inslot portion is provided with the ball.

Preferably, an elastic member is fixedly installed on the inner wall surface of the fastening ring at the ball groove.

Preferably, the outer wall surface of the fastening ring is provided with limiting rings at two sides of the extrusion ring.

Preferably, lifting lugs are fixedly mounted on two sides of the top end of the shell close to the edges, and through holes are formed in the surfaces of the lifting lugs.

Preferably, the mounting plates are fixedly mounted at the two ends of the shell, and bolt holes are formed in the surfaces of the mounting plates.

Preferably, the inner diameter of the opening of the ball groove is smaller than the diameter of the ball.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, when the in-service use, inside passing the tighrening ring with the insulator, then rotatory extrusion ring again, make stagger one by one between the hidden hole of extrusion ring inner wall and the ball groove, so the ball can outwards extend under the extrusion of extrusion ring inner wall, make the third distribution of ball can protrude the ball groove, convex ball then can strut the elastic component to the outside, the ball also can the butt on the insulator outer wall simultaneously, then can lock the insulator fixedly, the fastness of insulator installation has been guaranteed, avoid the condition that the insulator squinted to appear in the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the outdoor vacuum circuit breaker housing of the present invention;

fig. 2 is a front view of the outdoor vacuum circuit breaker housing of the present invention;

fig. 3 is a schematic structural view of a fastening assembly of the outdoor vacuum circuit breaker housing of the present invention;

fig. 4 is the internal structure schematic diagram of the fastening assembly of the outdoor vacuum circuit breaker housing of the present invention.

In the figure: 10-a housing; 11-perforating; 20-mounting a plate; 30-a fastening assembly; 31-a fastening ring; 32-an extrusion ring; 33-an elastic member; 34-a limit ring; 35-ball grooves; 36-a ball bearing; 37-hidden hole; and 40-lifting lugs.

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. 1-4, the present invention provides a technical solution: the utility model provides an outdoor vacuum circuit breaker casing, which comprises an outer shell 10, three perforation 11 has been seted up on shell 10 top, perforation 11 is used for the installation of insulator, shell 10 top surface is provided with three fastening components 30, fastening components 30 includes tighrening ring 31, tighrening ring 31 fixed mounting is on shell 10 top, tighrening ring 31 outside rotates installs extrusion ring 32, extrusion ring 32 inner wall is unanimous with tighrening ring 31 outer wall diameter, make extrusion ring 32 can hug closely tighrening ring 31 outer wall rotatory, a plurality of hidden hole 37 has been seted up along the circumferencial direction in extrusion ring 32 inner wall surface, the quantity of hiding hole 37 is unanimous with the quantity in ball groove 35, when hiding hole 37 and ball groove 35's position one-to-one, ball 36 can get into in hiding the hole 37, so ball 36 can lose the extrusion of extrusion ring 32 inner wall, then can make ball 36 withdraw to ball groove 35 in, can realize the dismantlement of insulator, a plurality of ball groove 35 has been seted up along the circumferencial direction in tighrening ring 31 inner wall surface, ball groove 35 has ball 36 is rolled and is installed ball 36, ball groove 35 is installed ball 36, the internal diameter of ball groove is less than the opening part of ball groove 35, can prevent ball 36 from the ball groove from the installation of ball groove 35 in.

Further, pass inside the fastening ring 31 with the insulator, then rotatory extrusion ring 32 again, stagger one by one between hidden hole 37 and the ball groove 35 of messenger's extrusion ring 32 inner wall, so ball 36 can outwards extend under the extrusion of extrusion ring 32 inner wall for the one-third distribution of ball 36 can bulge ball groove 35, convex ball 36 then can strut elastic component 33 to the outside, and ball 36 also can butt on the insulator outer wall simultaneously, then can lock the insulator fixedly.

In the preferred technical scheme of this embodiment, the inner wall surface of tighrening ring 31 is located ball groove 35 department fixed mounting elastic component 33, elastic component 33 chooses the rubber material for use, very good elasticity has, when under the normal condition, elastic component 33 hugs closely at the inner wall of tighrening ring 31, when ball 36 is outside protruding, can strut elastic component 33, make elastic component 33 can hug closely the outer wall at the insulator, can improve the leakproofness between tighrening ring 31 and the insulator, avoid dust or water stain entering.

In the preferred technical scheme of this embodiment, there is the spacing ring 34 on the surface of the outer wall of the fastening ring 31 is located and locates fixed mounting at both sides of the extrusion ring 32, the spacing ring 34 can improve the stability of the rotation of the extrusion ring 32, avoid the extrusion ring 32 to produce the skew, the antiskid tooth has been seted up on a side surface of the spacing ring 34 close to the extrusion ring 32, can improve the frictional force between the spacing ring 34 and the extrusion ring 32, and the realization is to the locking of the extrusion ring 32.

In the preferred technical solution of this embodiment, the lifting lugs 40 are fixedly mounted on two sides of the top end of the housing 10 near the edges, through holes are formed on the surfaces of the lifting lugs 40, and the housing is conveniently mounted through the lifting lugs 40.

In the preferred technical solution of the present embodiment, the mounting plates 20 are fixedly mounted at two ends of the housing 10, bolt holes are formed on the surfaces of the mounting plates 20, and the mounting and fixing of the housing can be realized through the mounting plates 20.

The working principle is as follows: when using, pass inside the tighrening ring 31 with the insulator, then rotatory extrusion ring 32 again, stagger one by one between hidden hole 37 and the ball groove 35 of messenger's extrusion ring 32 inner wall, so ball 36 can outwards extend under the extrusion of extrusion ring 32 inner wall for the one-third distribution of ball 36 can bulge ball groove 35, convex ball 36 then can strut elastic component 33 outside, ball 36 also can the butt on the insulator outer wall simultaneously, then can lock the insulator fixedly.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an outdoor vacuum circuit breaker casing, includes shell (10), a plurality of perforation (11) have been seted up on shell (10) top, shell (10) top surface is provided with a plurality of fastening components (30), its characterized in that: fastening components (30) include tighrening ring (31), tighrening ring (31) outside is provided with extrusion ring (32), a plurality of hidden hole (37) have been seted up along the circumferencial direction to extrusion ring (32) inner wall surface, a plurality of ball groove (35) have been seted up along the circumferencial direction to tighrening ring (31) inner wall surface, ball (36) are provided with to ball groove (35) inside.

2. An outdoor vacuum interrupter housing according to claim 1, wherein: an elastic piece (33) is fixedly arranged on the inner wall surface of the fastening ring (31) at the ball groove (35).

3. An outdoor vacuum interrupter housing according to claim 1, wherein: limiting rings (34) are arranged on the outer wall surfaces of the fastening ring (31) and positioned on two sides of the extrusion ring (32).

4. An outdoor vacuum interrupter housing according to claim 1, wherein: lifting lugs (40) are fixedly mounted on two sides of the top end of the shell (10) close to the edges, and through holes are formed in the surfaces of the lifting lugs (40).

5. An outdoor vacuum interrupter housing according to claim 1, wherein: the mounting plate (20) is fixedly mounted at two ends of the shell (10), and bolt holes are formed in the surface of the mounting plate (20).

6. An outdoor vacuum interrupter housing according to claim 1, wherein: the inner diameter of the opening of the ball groove (35) is smaller than the diameter of the ball (36).