Connecting structure of moving contact group

Abstract

The utility model discloses a connecting structure of a moving contact group, which relates to the technical field of circuit breakers and comprises a connecting piece and a moving contact piece connected with the connecting piece, a connecting part is arranged on the side, facing the connecting piece, of the moving contact piece, and the connecting part and the connecting piece are connected through flexible connection. The connecting piece and the contact piece are connected through flexible connection, the structure of a moving contact set is replaced, the assembly rate is improved, meanwhile, the temperature rise of a product in use is effectively reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a connection structure of a moving contact group. Background Art

[0002] A circuit breaker is an electrical device used to protect electrical circuits from faults such as overloads, short circuits, and ground flashes. It acts as a switch, quickly interrupting the circuit when excessive current or a fault occurs, preventing damage to electrical equipment, threats to personal safety, and fire.

[0003] A structure of a wire-free moving contact group and a circuit breaker disclosed in Chinese patent CN202311016011.4, wherein the Figure 3 As shown in the figure, the movable contact piece is connected to the movable contact seat and is inserted into this part of the structure through a rotating shaft, and then connected to the connecting piece through the movable contact seat. This structure is complicated to assemble, which affects the assembly efficiency. In addition, the setting of multiple movable contact seats can easily increase the temperature rise of the contact group during use, thereby affecting the use of the product. Utility Model Content

[0004] The purpose of the present utility model is to provide a connection structure of a moving contact group to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a connection structure of a moving contact group, including a connecting piece and a moving contact piece connected to the connecting piece, the moving contact piece is provided with a connecting portion on the side facing the connecting piece, the connecting portion and the connecting piece are connected by a soft connection, and a static contact piece is provided on the other side of the moving contact piece for achieving contact.

[0006] Preferably, the movable contact piece is arranged in a multi-level structure and the connecting parts are arranged adjacent to each other.

[0007] Preferably, a bent plate is provided on the static contact piece, and a static contact point is provided on the bent plate.

[0008] Preferably, the movable contact piece is provided with a movable contact that contacts with the static contact to achieve conduction.

[0009] Preferably, a protective shell is provided on the outer side of the movable contact piece, and the movable contact piece is connected to the inside of the protective shell via a rotating shaft.

[0010] Compared with the prior art, the beneficial effects of the present invention are: connecting the connecting piece and the contact piece through a soft connection, replacing the structure of the moving contact group, improving the assembly speed while effectively reducing the temperature rise of the product and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0012] Figure 2 It is the structure schematic view of the protective shell and the moving contact piece of the utility model embodiment.

[0013] Figure 3 It is the structure schematic view of the connecting piece and the moving contact piece of the utility model embodiment.

[0014] In the drawing:

[0015] 10, connecting piece;

[0016] 20, protective shell;

[0017] 30, static contact piece;

[0018] 40, soft connection;

[0019] 50, moving contact piece; 501, connecting portion. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-3 A connecting structure of a moving contact group, comprising a connecting piece 10 and a moving contact piece 50 connected with the connecting piece 10, the moving contact piece 50 is provided with a connecting portion 501 on the side towards the connecting piece 10, the connecting portion 501 and the connecting piece 10 are connected through a soft connection 40, the other side of the moving contact piece 50 is provided with a static contact piece 30 for realizing contact, the connecting piece 10 and the contact piece are connected through the soft connection 40, instead of the structure of the moving contact group, improving the assembly rate while effectively reducing the temperature rise of product use and prolonging the service life.

[0022] Specifically, the moving contact piece 50 is provided with a multi-level structure and the connecting portion 501 is provided adjacently, the connecting portion 501 of each moving contact piece 50 is welded with a soft connection 40, connected with the connecting piece 10 through the soft connection 40, realizing the conduction of the two structures.

[0023] Specifically, the static contact piece 30 is provided with a bending plate, the bending plate is provided with a static contact point, and the static contact point is arranged to facilitate realizing contact conduction.

[0024] Specifically, the moving contact piece 50 is provided with a moving contact point which realizes conduction with the static contact point, and the moving contact point is arranged to facilitate cooperation with the static contact point, thereby realizing conduction of the moving contact piece 50 and the static contact piece 30.

[0025] Specifically, the moving contact piece 50 is provided with a moving contact point which realizes conduction with the static contact point, and the moving contact point is arranged to facilitate cooperation with the static contact point, thereby realizing conduction of the moving contact piece 50 and the static contact piece 30.

[0026] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are therefore to be seen as exemplary and not restrictive, and the scope of the present application is defined by the appended claims and not by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore to be embraced. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A connection structure of a moving contact group, characterized in that: It includes a connecting piece and a moving contact piece connected to the connecting piece. The moving contact piece is provided with a connecting portion on the side facing the connecting piece. The connecting portion and the connecting piece are connected by a soft connection. The other side of the moving contact piece is provided with a static contact piece for achieving contact.

2. The connection structure of the moving contact group according to claim 1, characterized in that: The movable contact pieces are arranged in a multi-level structure and the connecting parts are arranged adjacent to each other.

3. The connection structure of the moving contact group according to claim 1, characterized in that: A bent plate is provided on the static contact piece, and a static contact point is provided on the bent plate.

4. The connection structure of the moving contact group according to claim 2, characterized in that: The movable contact piece is provided with a movable contact that contacts with the static contact to achieve conduction.

5. The connection structure of the moving contact group according to claim 1, characterized in that: A protective shell is provided on the outside of the movable contact piece, and the movable contact piece is connected via a rotating shaft inside the protective shell.

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