CN220358041U

CN220358041U - Wiring board for circuit breaker

Info

Publication number: CN220358041U
Application number: CN202321538476.1U
Authority: CN
Inventors: 南晓成; 邓海清
Original assignee: Yueqing Rongtai Electrical Appliance Co ltd
Current assignee: Yueqing Rongtai Electrical Appliance Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-16
Anticipated expiration: 2033-06-15

Abstract

The application relates to a wiring board for a circuit breaker, and relates to the technical field of connecting pieces, comprising a wiring board main body, wherein the wiring board main body comprises a fixing part, a bending part and a connecting part; one side of the connecting part is extended with a connecting sheet, the side surface of the connecting part is provided with a limiting component, and the limiting component comprises a plurality of limiting grooves formed in the surface of the connecting sheet; this application is offered through a plurality of spacing grooves, when welding cable or coil on the connection piece, makes the welding position of cable or coil two on the connection piece more accurate, reduces the cable or coil etc. and appears relative movement or dislocation's possibility when welding with the connection piece, improves the welding effect, makes the welding of cable or coil more firm, reduces the welding department and appears crack or cracked possibility after the welding finishes.

Description

Wiring board for circuit breaker

Technical Field

The application relates to the technical field of connecting pieces, in particular to a wiring board for a circuit breaker.

Background

The wiring board inside the circuit breaker is mainly used for connecting parts inside the circuit breaker, such as connecting and fixing coils and fixed contacts inside the circuit breaker. In electrical systems, it is often necessary to incorporate conductive materials to transfer electrical energy to the components. In high current electrical connections, a lug connection is typically employed and is referred to as a lug connection.

In the lug type connection, a cable inside a circuit breaker is welded and fixed to the surface of a wiring board, and when the cable and the wiring board are welded, a worker holds the exposed end of the cable with one hand to make the exposed end of the cable abut against the surface of the wiring board, and holds a welding gun with the other hand to fix the cable and the wiring board.

However, when a worker welds, the exposed end of the cable may move or deviate from the surface of the wiring board, which may cause the cable to deviate from the original welding position of the wiring board, for example, the welding position of the cable and the wiring board deviates to the edge of the wiring board, so that the welding between the cable and the wiring board is not firm enough, and poor contact or even separation of the welding position may occur after a period of time, which affects the normal operation of the circuit breaker.

Disclosure of Invention

The purpose of this application is to provide a wiring board for circuit breaker, solves among the above-mentioned correlation technique because the cable is in the original welding position of skew wiring board, and then probably leads to the cable not firm enough with the welding of wiring board, just can appear the bad condition of even separation of welding department after a period, influences the problem of circuit breaker normal operating.

The application provides a wiring board for circuit breaker adopts following technical scheme:

the wiring board for the circuit breaker comprises a wiring board main body, wherein the wiring board main body comprises a fixing part, a bending part and a connecting part; one side of connecting portion extends there is the connection piece, the side of connecting portion is equipped with spacing subassembly, spacing subassembly is including seting up in a plurality of spacing grooves of connection piece surface.

Through adopting above-mentioned technical scheme, when welding cable or coil on the connection piece, through the seting up of a plurality of spacing grooves, make the welding position of both cable or coil on the connection piece more accurate, reduce the cable or coil etc. appear relative movement or dislocation's possibility when welding with the connection piece, improve the welding effect, make the welding of cable or coil more firm, reduce the welding place after the welding finishes and appear crack or cracked possibility.

Optionally, a plurality of wire pressing grooves are formed in the side face of the fixing portion.

Through adopting above-mentioned technical scheme, when the wiring board is installed inside the circuit breaker casing, use the fixed part to compress tightly corresponding cable, through the seting up of a plurality of wire pressing grooves, reduce the cable that has been compressed up and appear the possibility of becoming flexible or dislocation once more.

Optionally, the limiting component comprises clamping blocks fixed on two opposite edges of the connecting sheet.

Through adopting above-mentioned technical scheme, when cable or coil are fixed, through the setting of fixture block, can put into the tip of cable or coil between two fixture blocks and with the surface butt of connection piece, then through welding with it with the connection piece is fixed to this further coil or the position when cable welds is spacing, the dislocation or the possibility of skew appear when further reducing the welding.

Optionally, the clamping block and the connecting sheet are integrally arranged, and the clamping block is formed by stamping equipment.

Through adopting above-mentioned technical scheme, because fixture block and the integrative setting of connection piece, and the fixture block has stamping equipment punching press to form, the machine-shaping of the fixture block of being convenient for improves the machining efficiency of fixture block.

Optionally, a plurality of anti-slip tooth grooves are formed on opposite side surfaces of the two clamping blocks.

Through adopting above-mentioned technical scheme, when putting into two fixture blocks with the tip of cable or coil, through the setting of anti-skidding tooth's socket, reduce cable or coil and fixture block inner wall and appear not hard up or the possibility of shifting to this stability when further reinforcing cable or coil with fixture block inner wall butt.

Optionally, the spacing subassembly includes fixed apron, fixed apron opposite both sides all extends has the locating plate, two be equipped with the trip on the side that the locating plate is close to each other, two offer on the side that the fixture block is kept away from each other and supply trip male draw-in groove.

Through adopting above-mentioned technical scheme, after fixing coil or cable welded connection piece portion between two fixture blocks, through the setting of fixed apron, establish the upside at the fixture block with fixed apron lid again, insert the draw-in groove inside on the fixture block with the trip on the locating plate to this is located cable or coil tip between two fixture blocks and further spacing fixedly, improves the connection stability of cable or cable etc. with the connection piece.

Optionally, a plurality of anti-slip strips are arranged on the side surfaces of the two positioning plates, which are far away from each other.

Through adopting above-mentioned technical scheme, when installing the wiring board with fixed apron, through the setting of antislip strip, the fixed apron of staff's hand of being convenient for reduces the gliding possibility appearing between the palm of staff and the locating plate, improves the installation effectiveness of installing the wiring board with fixed apron.

Optionally, a bump is arranged on the side edge of the bending part.

Through adopting above-mentioned technical scheme, when installing the circuit breaker with the wiring board inside, through the setting of lug, cooperate with the inside recess of circuit breaker casing, improve the mounting stability of wiring board inside the circuit breaker casing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setups of a plurality of spacing grooves, when welding cable or coil on the connection piece, make the welding position of cable or coil two on the connection piece more accurate, reduce the cable or coil etc. appear relative movement or dislocation's possibility when welding with the connection piece, improve the welding effect, make the welding of cable or coil more firm, reduce the welding department after the welding finishes and appear the possibility of crack or fracture.

2. Through the setting of fixture block, when cable or coil are fixed, can put into cable or coil's tip between two fixture blocks and with the surface butt of connection piece, then fix it with the connection piece through the welding to this further coil or cable position when welding carries out spacingly, the possibility that dislocation or skew appear when further reducing the welding.

3. Through the setting of fixed apron, after fixing coil or cable welded connection piece portion between two fixture blocks, establish the upside at the fixture block with fixed apron lid again, insert the draw-in groove inside on the fixture block with the trip on the locating plate to this is located cable or coil tip between two fixture blocks and further spacing fixedly, improves the connection stability of cable or cable etc. with the connection piece.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic view of the structure of embodiment 1 of the present application showing the mounting locations of the bumps and mounting blocks;

fig. 3 is a schematic structural view showing a mounting position of a wire pressing groove in embodiment 1 of the present application;

FIG. 4 is a schematic overall structure of embodiment 2 of the present application;

FIG. 5 is a schematic diagram of an exploded construction of example 2 of the present application;

fig. 6 is a schematic view of a partial sectional structure embodying a fixed cover plate mounting fit of embodiment 2 of the present application.

In the figure, 1, a wiring board main body; 11. a fixing part; 111. a mounting block; 112. wire pressing grooves; 12. a bending part; 121. a bump; 13. a connection part; 14. a connecting sheet; 2. a limit component; 21. a limit groove; 22. a clamping block; 221. anti-slip tooth slots; 222. a clamping groove; 23. fixing the cover plate; 231. a positioning plate; 232. a hook; 233. an anti-slip strip.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1:

referring to fig. 1, a wiring board for a circuit breaker includes a wiring board body 1, wherein the wiring board body 1 includes a fixing portion 11, a bending portion 12 and a connecting portion 13, the fixing portion 11, the bending portion 12 and the connecting portion 13 are formed by integrally bending conductive metal sheets, the fixing portion 11 is used for pressing a cable to be connected inside the circuit breaker, and the connecting portion 13 is used for welding and fixing the cable or a coil inside the circuit breaker.

Referring to fig. 1, a connection piece 14 extends from one side of the connection portion 13, and the connection piece 14 and the connection portion 13 are integrally formed; the side surface of the connecting part 13 is provided with a limiting component 2, wherein the limiting component 2 comprises a plurality of limiting grooves 21 which are formed in the surface of the connecting sheet 14; when the cable or the coil is welded on the connecting sheet 14, the possibility of relative movement or dislocation of the cable or the coil and the like when the cable or the coil is welded with the connecting sheet 14 is reduced through the arrangement of the limiting grooves 21, so that the welding position of the cable or the coil on the connecting sheet 14 is more accurate, the welding effect is improved, and the possibility of cracking or breaking at the welding position after the welding is finished is reduced.

Referring to fig. 2, a protrusion 121 is provided on a side edge of the bent portion 12, and when the terminal block is mounted inside the circuit breaker, the protrusion 121 is provided to be engaged with a groove inside the circuit breaker case, thereby improving the mounting stability of the terminal block inside the circuit breaker case. The edge of the fixing part 11 far away from the bending part 12 is provided with a mounting block 111 which is also used for mounting and fixing the wiring board in the circuit breaker.

Referring to fig. 3, a plurality of wire pressing grooves 112 are formed in a side surface of the fixing portion 11, when the terminal block is mounted in the circuit breaker housing, corresponding cables are pressed by the fixing portion 11, and the possibility that the pressed cables are loosened or misplaced again is reduced by the arrangement of the plurality of wire pressing grooves 112.

The implementation principle of the embodiment of the application is as follows:

when the cable or the coil is connected with the wiring board, the cable or the coil is abutted with the area of the connecting sheet 14 provided with the limiting groove 21, and then the abutting part of the cable and the connecting sheet 14 is welded and fixed through a welding gun; after the welding is completed, the terminal block is mounted inside the circuit breaker by the arrangement of the projection 121 and the mounting block 111, and simultaneously the cable inside the circuit breaker is pressed by the area of the fixing portion 11 where the wire pressing groove 112 is opened.

Example 2:

referring to fig. 4, the difference between the embodiment of the present application and embodiment 1 is that the limiting component 2 includes clamping blocks 22 fixed on two opposite edges of the connecting sheet 14, the clamping blocks 22 are integrally arranged with the connecting sheet 14, the clamping blocks 22 are punched by a punching device, and a mounting cavity for placing a cable or a coil end is formed in an area between the two clamping blocks 22; when the cable or the coil is fixed, the end part of the cable or the coil can be placed into the mounting cavity and then fixed with the connecting sheet 14 through welding, so that the position of the coil or the coil during welding is further limited, and the possibility of dislocation or deflection during welding is further reduced; a plurality of anti-slip tooth grooves 221 are formed on the side surfaces of the two clamping blocks 22, which are close to each other, so that the stability of the cable or the coil when the cable or the coil is abutted against the inner wall of the clamping block 22 is further enhanced.

Referring to fig. 5 and 6, the limiting component 2 includes a fixed cover plate 23, positioning plates 231 extend from opposite edges of the fixed cover plate 23, hooks 232 are disposed on sides of the two positioning plates 231, which are close to each other, the fixed cover plate 23, the positioning plates 231 and the hooks 232 are made of plastic, and are integrally injection molded, and a clamping groove 222 into which the hooks 232 are inserted is formed on sides of the two clamping blocks 22, which are far away from each other; after the coil or the cable is mutually fixed with the connecting sheet 14, the fixing cover plate 23 is covered on the upper side of the clamping block 22, and the clamping hooks 232 on the positioning plate 231 are inserted into the clamping grooves 222 on the clamping block 22, so that the end part of the cable or the coil positioned in the mounting cavity is further limited and fixed, and the connection stability of the cable or the cable and the like with the connecting sheet 14 is improved.

Referring to fig. 6, a plurality of anti-slip strips 233 are provided on the sides of the two positioning plates 231 which are far away from each other, and when the fixing cover plate 23 is mounted on the wiring board, the possibility of slipping between the palm of the worker and the positioning plates 231 is reduced by the arrangement of the anti-slip strips 233, so that the worker can hold the fixing cover plate 23 conveniently.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The wiring board for the circuit breaker comprises a wiring board main body (1), wherein the wiring board main body (1) comprises a fixing part (11), a bending part (12) and a connecting part (13); the connecting piece is characterized in that a connecting piece (14) extends from one side of the connecting portion (13), a limiting component (2) is arranged on the side face of the connecting portion (13), and the limiting component (2) comprises a plurality of limiting grooves (21) formed in the surface of the connecting piece (14).

2. The circuit breaker wiring board according to claim 1, wherein a plurality of wire-pressing grooves (112) are formed in the side surface of the fixing portion (11).

3. A circuit breaker terminal block according to claim 1, wherein the limiting assembly (2) comprises a latch (22) secured to opposite edges of the connecting tab (14).

4. A wiring board for a circuit breaker according to claim 3, characterized in that the clamping block (22) is integrally provided with the connecting piece (14), the clamping block (22) being punched by a punching device.

5. A circuit breaker terminal block according to claim 3, characterized in that a plurality of anti-slip slots (221) are provided in opposite sides of both said blocks (22).

6. A wiring board for a circuit breaker according to claim 3, wherein the limiting assembly (2) comprises a fixed cover plate (23), two opposite edges of the fixed cover plate (23) are respectively extended with a positioning plate (231), two positioning plates (231) are respectively provided with a clamping hook (232) on the side surfaces close to each other, and two clamping grooves (222) for inserting the clamping hooks (232) are respectively formed on the side surfaces far away from each other.

7. A terminal block for a circuit breaker according to claim 6, characterized in that the two positioning plates (231) are provided with a number of anti-slip strips (233) on the sides facing away from each other.

8. The circuit breaker terminal block according to claim 1, characterized in that the lateral edges of the bent portion (12) are provided with bumps (121).