CN219267587U

CN219267587U - External magnetism increasing column with riveting function for direct current breaker

Info

Publication number: CN219267587U
Application number: CN202320705724.0U
Authority: CN
Inventors: 谢昕; 黄珏; 罗旭; 王本领; 金青华
Original assignee: Zhejiang Chuangqi Electric Co ltd
Current assignee: Zhejiang Chuangqi Electric Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-27
Anticipated expiration: 2033-03-28

Abstract

External magnetism increasing column with riveting function of direct current breaker. The direct current circuit breaker mainly solves the problem that the phenomena such as bulge appear in the shell caused by the fact that a connecting structure is not installed at the position of a magnetic conduction column of the current direct current circuit breaker. The method is characterized in that: the static contact piece comprises a main piece (31) and an arc piece (32) formed by bending the main piece, and the main piece and the inner wall of the arc piece form a hollow groove (33); an insulating tube (4) is further arranged in the shell, the insulating tube is partially arranged in the empty slot, and the magnetic conduction column (5) used for fixing the shell is further included, and penetrates through the insulating tube. The utility model provides an external magnetism increasing column with a riveting function of a direct current breaker, and the magnetism increasing column has the function of rivets, so that the bulge of a shell can be prevented, and the service life is prolonged.

Description

External magnetism increasing column with riveting function for direct current breaker

Technical Field

The utility model relates to the field of circuit breakers, in particular to an external magnetism increasing column with a riveting function of a direct current circuit breaker.

Background

At present, a miniature direct current breaker is a very wide electric switch applied to a direct current power grid, and can play a role in breaking a protected circuit when overload or short-circuit fault occurs in the circuit.

In order to increase the effect of the guide arc, a magnetism increasing column is usually arranged at the fixed contact of the direct current breaker, and when the high current direct current short circuit device is used, the shell can bulge at the fixed contact due to high temperature gas expansion.

Disclosure of Invention

In order to overcome the defects of the background technology, the utility model provides an external magnetism increasing column with a riveting function of a direct current breaker, which mainly solves the problems that the existing direct current breaker is not provided with a connecting structure at the magnetism increasing column, so that a shell bulges and the like.

The technical scheme adopted by the utility model is as follows:

the external magnetism increasing column with the riveting function of the direct current breaker comprises a shell, wherein a moving contact and a static contact are relatively arranged in the shell, the static contact comprises a main sheet and an arc-shaped sheet formed by bending the main sheet, and a hollow groove is formed between the main sheet and the inner wall of the arc-shaped sheet;

the shell is internally provided with an insulating tube, the insulating tube is partially arranged in the empty slot, and the shell further comprises a magnetic conduction column used for fixing the shell, and the magnetic conduction column penetrates through the insulating tube.

The housing includes a first housing and a second housing detachably connected.

The inner wall of the first shell is provided with a first half pipe, the second shell is internally provided with a second half pipe, and the first half pipe and the second half pipe are in contact to form the insulating pipe.

The outer wall of the first half pipe is provided with reinforcing ribs.

The outer wall of the first shell is provided with a sinking groove, the magnetic conduction column comprises a cap part, and the cap part is arranged in the sinking groove.

The inner wall of the arc-shaped piece is contacted with the circumferential outer wall of the insulating tube.

The beneficial effects of the utility model are as follows: the utility model provides an external magnetism increasing column with a riveting function of a direct current breaker, and the magnetism increasing column has the function of rivets, so that the bulge of a shell can be prevented, and the service life is prolonged.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

FIG. 2 is a schematic cross-sectional view of one embodiment of the present utility model.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a partial perspective view of an embodiment of the present utility model.

Fig. 5 is an enlarged schematic view at B in fig. 4.

Fig. 6 is a partial perspective view of an embodiment of the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings: as shown in the figure, an external magnetism increasing column with a riveting function of a direct current breaker comprises a shell 1, wherein a moving contact 2 and a static contact 3 are relatively arranged in the shell, the static contact comprises a main sheet 31 and an arc sheet 32 formed by bending the main sheet, and a hollow groove 33 is formed between the main sheet and the inner wall of the arc sheet; the shell is internally provided with an insulating tube 4, the insulating tube is partially arranged in the empty slot, and the shell further comprises a magnetic conduction column 5 for fixing the shell, and the magnetic conduction column penetrates through the insulating tube. The magnetic conduction column plays the effect of magnetic conduction on the one hand, and on the other hand plays the effect of strengthening the casing, and one thing is multi-purpose, has strengthened the intensity of casing when not increasing the part, prevents to warp, has increased life, and the insulating tube can be the part of casing, also is made by plastics.

In this embodiment, as shown, the housing includes a first housing 11 and a second housing 12 that are detachably connected. The first housing and the second housing may be connected by a fastener.

In this embodiment, as shown in the drawing, the first casing inner wall is provided with a first half pipe 111, the second casing is provided with a second half pipe 121, and the first half pipe and the second half pipe are in contact to form the insulating pipe. And the insulating pipes are formed after the combination, so that the disassembly and assembly are not influenced.

In this embodiment, as shown in the figure, the outer wall of the first half pipe is provided with a reinforcing rib 112. The service life is prolonged.

In this embodiment, as shown in the drawing, the outer wall of the first housing is provided with a sinking groove 113, and the magnetic conductive column includes a cap 51, and the cap is disposed in the sinking groove. The outer wall of the shell can not be protruded, and the structure is more compact.

In this embodiment, as shown, the inner wall of the arcuate tab is in contact with the circumferential outer wall of the insulating tube. Plays a certain supporting role and prolongs the service life.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.

Claims

1. The utility model provides an external magnetism increasing post that has riveting function of direct current circuit breaker, includes casing (1), be equipped with moving contact (2) and static contact (3) relatively in the casing, its characterized in that: the static contact piece comprises a main piece (31) and an arc piece (32) formed by bending the main piece, and the main piece and the inner wall of the arc piece form a hollow groove (33);

an insulating tube (4) is further arranged in the shell, the insulating tube is partially arranged in the empty slot, and the magnetic conduction column (5) used for fixing the shell is further included, and penetrates through the insulating tube.

2. The external magnetizing pole with riveting function of the direct current breaker as claimed in claim 1, wherein: the housing comprises a first housing (11) and a second housing (12) which are detachably connected.

3. The external magnetizing pole with riveting function of the direct current breaker as claimed in claim 2, wherein: the first shell inner wall is provided with a first half pipe (111), the second shell is internally provided with a second half pipe (121), and the first half pipe and the second half pipe are in contact to form the insulating pipe.

4. The external magnetizing pole with riveting function of the direct current breaker as claimed in claim 3, wherein: the outer wall of the first half pipe is provided with a reinforcing rib (112).

5. The external magnetizing pole with riveting function of the direct current breaker as claimed in claim 4, wherein: the outer wall of the first shell is provided with a sinking groove (113), the magnetic conduction column comprises a cap (51), and the cap is arranged in the sinking groove.

6. The external magnetizing pole with riveting function of the direct current breaker as claimed in claim 5, wherein: the inner wall of the arc-shaped piece is contacted with the circumferential outer wall of the insulating tube.