阅读说明：本技术 一种主回路接插组件 (Main loop plugging assembly ) 是由 潘斌华 朱小民 李勇 于 2020-06-30 设计创作，主要内容包括：本发明涉及一种主回路接插组件,属于开关设备技术领域；包括电连接组件、连接排和接线排；接线排通过电连接组件与连接排连接；电连接组件包括柔性连接件和连接件外周支持结构；接线排通过柔性连接件与连接排连接,柔性连接件和连接件外周支持结构之间设有弹性连接结构。连接件外周支持结构上设有用于限制柔性连接件位置的限位结构和用于柔性连接件活动的空间。本发明解决了现有开关设备结构中接插不可靠、耗能、温升高的问题,连接排与柔性连接片既能保证足够的接触面积,又能保证足够的接触压力,不仅降低了接触内阻,而且可以承载大电流的电动斥力；具有高可靠、低能耗、高寿命、温升性能卓越、用铜量低等优点。(The invention relates to a main loop plug-in assembly, belonging to the technical field of switch equipment; the device comprises an electric connection assembly, a connection bar and a wiring bar; the wiring bar is connected with the connecting bar through the electric connecting assembly; the electric connection assembly comprises a flexible connecting piece and a connecting piece peripheral supporting structure; the wiring bar is connected with the connecting bar through a flexible connecting piece, and an elastic connecting structure is arranged between the flexible connecting piece and the connecting piece periphery supporting structure. The connecting piece periphery supporting structure is provided with a limiting structure for limiting the position of the flexible connecting piece and a space for the movement of the flexible connecting piece. The invention solves the problems of unreliable insertion, energy consumption and high temperature rise in the existing switch equipment structure, the connecting bar and the flexible connecting sheet can ensure enough contact area and enough contact pressure, thereby not only reducing the contact internal resistance, but also bearing the electric repulsion force of large current; has the advantages of high reliability, low energy consumption, long service life, excellent temperature rise performance, low copper consumption and the like.)

1. A main loop plug assembly comprises an electric connection assembly, a connection bar and a wiring bar, wherein the wiring bar is connected with the connection bar through the electric connection assembly; the method is characterized in that: the electric connection assembly comprises a flexible connecting piece and a connecting piece peripheral supporting structure; the wiring bar is connected with the connecting bar through a flexible connecting piece, and an elastic connecting structure is arranged between the flexible connecting piece and the connecting piece periphery supporting structure.

2. A main loop connector assembly as claimed in claim 1, wherein: and the connecting piece peripheral supporting structure is provided with a limiting structure for limiting the position of the flexible connecting piece and a space for the movement of the flexible connecting piece.

3. A main loop connector assembly as claimed in claim 2, wherein: the flexible connecting piece comprises two parallel and corresponding flexible connecting pieces; the flexible connecting sheet is provided with a connecting row connecting part, a flexible connecting part and a connecting row connecting part; and a flexible connecting part is arranged between the connecting row connecting part and the connecting row connecting part.

4. A main loop connector assembly as claimed in claim 3, wherein: and an elastic connecting structure is arranged between the flexible connecting sheet and the peripheral supporting structure of the connecting piece.

5. The main loop connector assembly of claim 4, wherein: a wiring bar is arranged between the wiring bar connecting parts arranged on the two parallel corresponding flexible connecting pieces; a gap for inserting the connecting row is arranged between the connecting row connecting parts arranged on the two parallel corresponding flexible connecting sheets; the gap width is less than the thickness of the inserted connecting row; the connecting piece periphery supporting structure is provided with a through hole for the flexible connecting sheet to pass through.

6. A main loop connector assembly as claimed in claim 5, wherein: the peripheral supporting structure of the connecting piece is provided with a fixing frame; a flexible connecting sheet is arranged in the fixing frame in a penetrating way; and an elastic connecting structure is arranged between the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting sheets and the fixing frame.

7. The main loop connector assembly of claim 6, wherein: the elastic connecting structure comprises an elastic piece, a mounting piece and a cushion block; mounting pieces for mounting elastic pieces are arranged on the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting pieces; the flexible connecting sheet, the cushion block, the elastic piece and the fixing frame are provided with mounting holes for fixedly connecting mounting pieces; the mounting part is connected with the fixing frame, the elastic part, the cushion block and the flexible connecting sheet in sequence.

8. A main loop connector assembly as claimed in claim 7, wherein: the connecting piece periphery supporting structure also comprises a mounting box, and a fixing frame is arranged in the mounting box; be equipped with the guiding hole that is used for installing the mount on the mounting box lateral wall, the periphery of mount is equipped with the guide structure who is used for installing the mount that corresponds with the guiding hole that is equipped with on the mounting box lateral wall.

9. The main loop connector assembly of claim 6, wherein: the elastic connecting structure comprises an elastic piece and an elastic piece limiting structure; an elastic part is arranged between the back of the corresponding surface of the two parallel corresponding flexible connecting sheets and the fixed frame; the inner side wall of the fixing frame is provided with an elastic part limiting structure for installing an elastic part.

10. A main loop connector assembly as claimed in claim 9, wherein: the elastic part limiting structure is provided with a mounting hole arranged on the elastic part and a boss arranged on the inner side wall of the fixing frame and used for mounting the elastic part; the mounting hole is sleeved on the outer edge of the boss.

Technical Field

The invention relates to a main loop plug assembly, and belongs to the technical field of switch equipment.

Background

The main circuit connector is a key accessory product in the draw-out switch equipment, the main circuit connectors in the current market are mainly of U-shaped springs and linear spring structures, and the contact pressure between plug chucks is small; and the contact surface of the breaker plug and the conducting strip chuck is very small, and the contact surface is mainly in line contact, because the breaker is usually required to bear large current, and the electric repulsion generated by large current ensures that good contact pressure between the plug and the chuck must be ensured, and particularly when the breaker is applied to a motor starting scheme, the breaker needs to bear 5 times of instantaneous current of the starting current of a motor. The motor is started for 6-7 times for 20-30 seconds, the resistance value of a main circuit in plugging does not need to be greatly changed, the plugging pressure does not need to be greatly changed, and otherwise, the temperature rise can be multiplied; however, in the application of the current main circuit connector in the starting of the motor, the contact pressure between the plug chucks is unstable, so that the plug is often burnt, and the safety and the reliability of the operation of equipment are influenced.

Disclosure of Invention

The invention aims to solve the technical problem that the contact pressure between a plug and a chuck is unstable when the existing plug-in or pull-out type switch equipment is plugged.

In order to solve the above problems, the present invention provides a main circuit connector assembly, which includes an electrical connection assembly, a connection bar and a wiring bar; the wiring bar is connected with the connecting bar through an electric connecting assembly; the electric connection assembly comprises a flexible connecting piece and a connecting piece peripheral supporting structure; the wiring bar is connected with the connecting bar through a flexible connecting piece, and an elastic connecting structure is arranged between the flexible connecting piece and the connecting piece periphery supporting structure.

Preferably, the connecting piece periphery supporting structure is provided with a limiting structure for limiting the position of the flexible connecting piece and a space for the movement of the flexible connecting piece.

Preferably, the flexible connecting piece comprises two parallel corresponding flexible connecting pieces; the flexible connecting sheet is provided with a connecting row connecting part, a flexible connecting part and a connecting row connecting part; and a flexible connecting part is arranged between the connecting row connecting part and the connecting row connecting part.

Preferably, an elastic connecting structure is arranged between the flexible connecting sheet and the peripheral supporting structure of the connecting piece.

Preferably, a wiring bar is arranged between the wiring bar connecting parts arranged on the two parallel corresponding flexible connecting pieces; a gap for inserting the connecting row is arranged between the connecting row connecting parts arranged on the two parallel corresponding flexible connecting sheets; the gap width is less than the thickness of the inserted connecting row; the connecting piece periphery supporting structure is provided with a through hole for the flexible connecting sheet to pass through.

Preferably, the connecting piece peripheral support structure is provided with a fixing frame; a flexible connecting sheet is arranged in the fixing frame in a penetrating way; and an elastic connecting structure is arranged between the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting sheets and the fixing frame.

Preferably, the elastic connecting structure comprises an elastic piece, a mounting piece and a cushion block; mounting pieces for mounting elastic pieces are arranged on the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting pieces; the flexible connecting sheet, the cushion block, the elastic piece and the fixing frame are provided with mounting holes for fixedly connecting mounting pieces; the mounting part is connected with the fixing frame, the elastic part, the cushion block and the flexible connecting sheet in sequence.

Preferably, the connecting piece periphery supporting structure further comprises a mounting box, and a fixing frame is arranged in the mounting box; be equipped with the guiding hole that is used for installing the mount on the mounting box lateral wall, the periphery of mount is equipped with the guide structure who is used for installing the mount that corresponds with the guiding hole that is equipped with on the mounting box lateral wall.

Preferably, the elastic connecting structure comprises an elastic piece and an elastic piece limiting structure; an elastic part is arranged between the back of the corresponding surface of the two parallel corresponding flexible connecting sheets and the fixed frame; the inner side wall of the fixing frame is provided with an elastic part limiting structure for installing an elastic part.

Preferably, the elastic part limiting structure is provided with a mounting hole arranged on the elastic part and a boss arranged on the inner side wall of the fixing frame and used for mounting the elastic part; the mounting hole is sleeved on the outer edge of the boss. .

Compared with the prior art, the invention has the following beneficial effects:

the invention solves the problems of unreliable insertion, energy consumption and high temperature rise in the existing switch equipment structure, the connecting bar and the flexible connecting sheet can ensure enough contact area and enough contact pressure, thereby not only reducing the contact internal resistance, but also bearing the electric repulsion force of large current; the invention has the advantages of high reliability, low energy consumption, long service life, excellent temperature rise performance, low copper consumption and the like. .

Drawings

FIG. 1 is a schematic view of a main loop connector assembly row of the present invention;

FIG. 2 is a schematic view of a main circuit connector assembly according to the present invention when the connector row is not inserted;

FIG. 3 is a schematic view of the electrical connection assembly structure of a main loop connector assembly in accordance with the present invention;

FIG. 4 is a schematic view showing the structure of an elastic member of the elastic connecting structure according to the present invention;

FIG. 5 is a schematic view of a holder according to the present invention;

FIG. 6 is a schematic view of a spacer block of a resilient connecting structure according to the present invention;

FIG. 7 is a schematic structural view of a flexible web according to the present invention;

FIG. 8 is a schematic view of a mounting member of a resilient connection according to the present invention;

FIG. 9 is a schematic structural view of a mounting box of a main circuit connector assembly according to the present invention;

FIG. 10 is a schematic view of a terminal block of a main loop connector assembly in accordance with the present invention;

FIG. 11 is a schematic view of a main circuit connector assembly according to the present invention when the connector row is not inserted;

FIG. 12 is a schematic view of a main circuit connector assembly row according to the present invention;

FIG. 13 is a schematic view of a resilient connection structure of another main circuit connector assembly electrical connection assembly structure in accordance with the present invention;

Detailed Description

In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

as shown in fig. 1-13, the present invention provides a main loop connector assembly comprising an electrical connection assembly 1, a connection bar 3 and a terminal bar 4; the wiring bar 4 is connected with the connecting bar 3 through the electric connecting component 1; the electric connection component 1 comprises a flexible connecting piece and a connecting piece peripheral supporting structure; the wiring bar 4 is connected with the connecting bar 3 through a flexible connecting piece, and an elastic connecting structure is arranged between the flexible connecting piece and the peripheral supporting structure of the connecting piece; the connecting piece periphery supporting structure is provided with a limiting structure for limiting the position of the flexible connecting piece and a space for the movement of the flexible connecting piece. The flexible connecting piece comprises two parallel corresponding flexible connecting pieces 105; the flexible connecting sheet 105 is provided with a connecting row connecting part 107, a flexible connecting part 106 and a connecting row connecting part 1053; a flexible connection 106 is provided between the connection bank connection 107 and the connection bank connection 1053. An elastic connection structure is provided between the flexible connection piece 105 and the connector peripheral support structure. A wiring bar 4 is arranged between the wiring bar connecting parts 107 arranged on the two parallel corresponding flexible connecting pieces 105; a gap for inserting the connecting row 3 is arranged between the connecting row connecting parts 1053 arranged on the two parallel corresponding flexible connecting sheets 105; the gap width is smaller than the thickness of the inserted connecting row 3; the connector peripheral support structure is provided with a through hole 1021 for the flexible connecting piece 105 to pass through. The peripheral supporting structure of the connecting piece is provided with a fixing frame 102; a flexible connecting sheet 105 is arranged in the fixing frame 102 in a penetrating way; an elastic connecting structure is arranged between the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting sheets 105 and the fixing frame 102. The elastic connecting structure comprises an elastic piece 101, a mounting piece 108 and a cushion block 104; the back surfaces of the corresponding surfaces of the two parallel corresponding flexible connecting sheets 105 are provided with mounting pieces 108 for mounting the elastic pieces 101; the flexible connecting sheet 105, the cushion block 104, the elastic piece 101 and the fixing frame 102 are provided with mounting holes for fixedly connecting the mounting pieces 108; the mounting member 108 is connected to the fixing frame 102, the elastic member 101, the cushion block 104 and the flexible connecting piece 105 in sequence. The connecting piece periphery supporting structure also comprises a mounting box 2, and a fixing frame 102 is arranged in the mounting box 2; a guide hole 205 for installing the fixing frame 102 is formed in the side wall of the installation box 2, and a guide structure 1025 for installing the fixing frame 102 corresponding to the guide hole 205 formed in the side wall of the installation box 2 is arranged on the periphery of the fixing frame 102;

the other elastic connecting structure comprises an elastic part 101 and an elastic part limiting structure; an elastic part 101 is arranged between the back of the corresponding surface of the two parallel corresponding flexible connecting sheets 105 and the fixed frame 102; the inner side wall of the fixing frame is provided with an elastic part limiting structure for installing an elastic part. The elastic part limiting structure is provided with a mounting hole 1011 arranged on the elastic part 101 and a boss 1012 arranged on the inner side wall of the fixing frame 102 and used for mounting the elastic part 101; the mounting hole 1011 is sleeved on the outer edge of the boss 1021.