CN222071741U

CN222071741U - Moving contact assembly

Info

Publication number: CN222071741U
Application number: CN202420485873.5U
Authority: CN
Inventors: 杨晓智
Original assignee: Yueqing Bafeng Electrical Co ltd
Current assignee: Yueqing Bafeng Electrical Co ltd
Priority date: 2024-03-13
Filing date: 2024-03-13
Publication date: 2024-11-26
Anticipated expiration: 2034-03-13

Abstract

The utility model discloses a moving contact assembly, which relates to the field of electrical accessories, and includes a plurality of groups of moving contact components arranged side by side and a connecting seat for linkage connecting two adjacent moving contact components, wherein the moving contact component includes a base, a mounting seat, a moving contact plate, and a fastening component that penetrates and connects the base, the mounting seat, and the moving contact plate laterally; the fastening component includes: a connecting shaft that penetrates and connects the base, the mounting seat, and the moving contact plate; a protective cover that is fixedly installed at both ends of the connecting shaft; and an elastic member that is sleeved on both ends of the connecting shaft and is abutted and arranged between the protective cover and the mounting seat. The utility model has the advantages of simple structure, convenient assembly, low contact resistance between the moving contact and the connecting seat, and stable resistance.

Description

Moving contact assembly

Technical Field

The utility model relates to the field of electrical accessories, in particular to a moving contact assembly.

Background

The moving contact assembly in the prior art, such as a moving contact assembly disclosed in 2023-03-28 with publication number CN218769134U, is composed of a first fastening assembly and a second fastening assembly, so that parts of three groups of moving contact assemblies are different from each other, multiple assembly lines are needed during assembly, and the parts are also multiple groups, so that the production efficiency is greatly influenced.

Disclosure of utility model

In order to overcome the defects of the background technology, the utility model provides the movable contact assembly which is simple in structure and convenient to assemble.

The utility model adopts the technical scheme that: the movable contact assembly comprises a plurality of groups of movable contact assemblies arranged side by side and connecting seats for connecting two adjacent movable contact assemblies in a linkage manner, wherein each movable contact assembly comprises a base, a mounting seat, a movable contact plate and a fastening assembly which transversely penetrates through and is connected with the base, the mounting seat and the movable contact plate; the fastening assembly includes:

The connecting shaft is connected with the base, the mounting seat and the movable contact plate in a penetrating way;

The protecting covers are fixedly arranged at the two ends of the connecting shaft;

The elastic piece is sleeved at two ends of the connecting shaft and is arranged between the protecting cover and the mounting seat in a collision manner.

And a bolt for fixedly connecting the protecting cover and the connecting shaft is arranged between the protecting cover and the connecting shaft.

Conductive sheets in contact fit with the inner walls of the two sides are arranged between the movable contact plates, and the two side walls of the base are respectively in clamping contact fit with the outer surfaces of the two movable contact plates; the conducting strip is fixedly arranged on the base.

The conducting strip is mounted on the base through bolts.

The two side walls of the connecting seat are provided with jacks for the connecting shaft and the protecting cover to be inserted, and the jacks on the two sides are not communicated with each other.

The two side walls of the connecting seat are also provided with a plurality of positioning slots, and the side wall of the mounting seat is provided with a plurality of positioning plug blocks which are inserted into the positioning slots.

The base and the conductive sheet are made of copper.

The beneficial effects of the utility model are as follows: according to the technical scheme, the plurality of groups of movable contact assemblies are all arranged to be of the same structure, then the movable contact assemblies are connected through the connecting seats, parts of each movable contact assembly are identical, the movable contact assemblies can be assembled through one production line, production efficiency is greatly improved, in addition, elastic pieces are arranged at two ends of the connecting shaft and provide elastic pretightening force for reliable contact between the base and the movable contact plate as well as between the conductive sheet and the movable contact plate, the resistance is enabled to be more stable, the contact resistance between the movable contact and the connecting seats is low, and the resistance is stable.

Drawings

Fig. 1 is a schematic structural diagram of a moving contact assembly according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a split structure of the moving contact assembly.

Fig. 3 is a schematic structural view of the moving contact assembly in the housing.

Detailed Description

Embodiments of the utility model are further described below with reference to the accompanying drawings:

As shown in the figure, the movable contact assembly comprises a plurality of groups of movable contact assemblies arranged side by side and a connecting seat 1 for connecting two adjacent movable contact assemblies in a linkage manner, wherein the movable contact assemblies comprise a base 2, an installation seat 3, a movable contact plate 4 and a fastening assembly which transversely penetrates through and is connected with the base 2, the installation seat 3 and the movable contact plate 4; the fastening assembly includes:

The connecting shaft 5 is in penetrating connection with the base 2, the mounting seat 3 and the movable contact plate 4;

A protecting cover 6 fixedly installed at both end positions of the connecting shaft 5;

The elastic pieces 7 are sleeved at two ends of the connecting shaft 5 and are arranged between the protecting cover 6 and the mounting seat 3 in a collision manner; according to the technical scheme, the plurality of groups of movable contact assemblies are all arranged to be of the same structure, then the movable contact assemblies are connected through the connecting seats, parts of each movable contact assembly are identical, the movable contact assemblies can be assembled through one production line, production efficiency is greatly improved, and in addition, elastic pieces are arranged at two ends of the connecting shaft and provide elastic pretightening force for reliable contact between the base and the movable contact plate and between the conductive sheet and the movable contact plate, so that the resistor is more stable.

The bolt 8 fixedly connected with the protecting cover 6 and the connecting shaft 5 is arranged between the protecting cover 6 and the connecting shaft 5, so that the protecting cover is firmly fixed at the end part and provides the reaction force of the elastic piece.

Conductive sheets 9 which are in contact fit with the inner walls of the two sides are arranged between the movable contact plates 4, and the two side walls of the base 2 are respectively in clamping contact fit with the outer surfaces of the two movable contact plates 4; the conducting strip 9 is fixedly arranged on the base 2; the conductive area of the movable contact plate is increased, and the advantages of reducing the resistivity, reducing the temperature rise and ensuring the working stability are achieved.

The conducting strip 9 is mounted on the base 2 through bolts; has the advantage of stable structure.

The two side walls of the connecting seat 1 are provided with jacks 10 for inserting the connecting shaft 5 and the protecting cover 6, the jacks 10 on the two sides are not communicated with each other, the function of partition is achieved, and the safety of the three groups of movable contact assemblies is guaranteed; in addition, the protection cover and the jack can limit the rotation of the protection cover after being matched, and the coaxial rotation effect is kept.

The two side walls of the connecting seat 1 are also provided with a plurality of positioning slots 11, and the side wall of the mounting seat 3 is provided with a plurality of positioning inserting blocks 12 which are inserted into the positioning slots 11; the positioning slot on the connecting seat is in plug-in fit with the positioning plug block on the base, a plurality of groups of movable contact assemblies form a whole, and all the connecting seats are driven by the operating mechanism in FIG. 3 together to realize synchronous movement of the plurality of groups of movable contact assemblies.

The base 2 and the conductive sheet 9 are made of copper.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.

Claims

1. The movable contact assembly comprises a plurality of groups of movable contact assemblies arranged side by side and a connecting seat (1) for connecting two adjacent movable contact assemblies in a linkage manner, wherein the movable contact assemblies comprise a base (2), a mounting seat (3), a movable contact plate (4) and a fastening assembly which transversely penetrates through and is connected with the base (2), the mounting seat (3) and the movable contact plate (4); the method is characterized in that: the fastening assembly includes:

the connecting shaft (5) is connected with the base (2), the mounting seat (3) and the movable contact plate (4) in a penetrating way;

a protecting cover (6) fixedly installed at both end positions of the connecting shaft (5);

the elastic piece (7) is sleeved at two ends of the connecting shaft (5) and is arranged between the protecting cover (6) and the mounting seat (3) in a collision mode.

2. The moving contact assembly of claim 1, wherein: a bolt (8) for fixedly connecting the protecting cover (6) and the connecting shaft (5) is arranged between the protecting cover and the connecting shaft.

3. The moving contact assembly of claim 1, wherein: conductive sheets (9) which are in contact fit with the inner walls of the two sides are arranged between the movable contact plates (4), and the two side walls of the base (2) are respectively in clamping contact fit with the outer surfaces of the two movable contact plates (4); the conducting strip (9) is fixedly arranged on the base (2).

4. A moving contact assembly according to claim 3, wherein: the conducting strip (9) is mounted on the base (2) through bolts.

5. The moving contact assembly of claim 1, wherein: the two side walls of the connecting seat (1) are provided with insertion holes (10) for inserting the connecting shaft (5) and the protecting cover (6), and the insertion holes (10) on the two sides are not communicated with each other.

6. The moving contact assembly of claim 5, wherein: the two side walls of the connecting seat (1) are also provided with a plurality of positioning slots (11), and the side wall of the mounting seat (3) is provided with a plurality of positioning inserting blocks (12) which are inserted into the positioning slots (11).

7. A moving contact assembly according to claim 3, wherein: the base (2) and the conducting strip (9) are made of copper.