A circuit breaker mounting mechanism

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a mounting mechanism of a circuit breaker, including a mounting seat and a circuit breaker body, wherein a mounting slot is provided on the back of the mounting seat, an assembly slot is provided on the front of the mounting seat, the circuit breaker body is slidably inserted into the assembly slot, a first terminal and a second terminal are fixedly installed inside the mounting seat, two conductive blocks are embedded in the inner wall of the assembly slot, the two conductive blocks are electrically connected to the first terminal and the second terminal through wires, and two elastic terminals are embedded on the surface of the circuit breaker body. The mounting mechanism of the circuit breaker is provided with a separate mounting seat and a circuit breaker body, and after the mounting seat is fixed, since the wiring terminal is provided on the mounting seat and the wire is inserted into the wiring terminal, the circuit breaker body is electrically connected to the wiring terminal through the elastic terminal, and the circuit breaker body can be removed separately without pulling out the wire in the wiring terminal in advance, thereby achieving the effect of facilitating replacement and maintenance of the circuit breaker.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a mounting mechanism for a circuit breaker. Background Art

[0002] A circuit breaker refers to a switch device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under abnormal circuit conditions within a specified time. In order to solve the problem of inconvenient installation, the prior art has a notice number of CN206460927U, which discloses a mounting mechanism for a small circuit breaker, including a housing, a mounting plate on which the housing can be fixedly mounted, a support member slidably mounted on one side below the housing, and a fixed guide rail slidably matched with the support member, one side of the housing mounting support member is provided with a slope formed by cutting off a corner of the housing, and the other side of the housing is provided with a groove for the mounting plate to be inserted. The utility model has the advantages of being applicable to both fixed installation and guide rail installation, and being easy to operate.

[0003] In actual use, many circuit breakers are often installed in a distribution box. If one of the circuit breakers is damaged and needs to be removed separately, it is very inconvenient to separate the wires from the wiring terminals of the circuit breaker and then reconnect them due to the small and crowded space in the distribution box. Based on this, most existing circuit breakers are of an integral structure, with the wiring terminals hidden in the shell, which makes it inconvenient to plug and unplug the wires and install them, and further improvement is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a mounting mechanism for a circuit breaker to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a circuit breaker mounting mechanism, comprising a mounting seat and a circuit breaker body, wherein the mounting seat is provided with a mounting slot on the back side, and an assembly slot is provided on the front side of the mounting seat, and the circuit breaker body is slidably inserted into the assembly slot;

[0006] The first terminal and the second terminal are fixedly installed inside the mounting seat, and two conductive blocks are embedded in the inner wall of the assembly groove. The two conductive blocks are electrically connected to the first terminal and the second terminal through wires, and two elastic terminals are embedded on the surface of the circuit breaker body. When the circuit breaker body is slidably installed in the assembly groove, the two elastic terminals are electrically connected to the two conductive blocks, and the circuit breaker body can be removed separately without pulling out the wires in the wiring terminals in advance, thereby achieving the effect of facilitating replacement and maintenance of the circuit breaker.

[0007] In some embodiments, positioning grooves are provided on the upper and lower inner walls of the assembly groove, guide plates are fixedly installed on the upper and lower surfaces of the circuit breaker body, and the guide plates are slidably inserted into the positioning grooves. Connecting plates are fixedly installed on the upper and lower side surfaces of the circuit breaker body, and bolt holes are provided on the surfaces of the connecting plates, and assembly screws are inserted into the bolt holes. The assembly screws are threadedly connected to the front surface of the mounting seat, so that the circuit breaker body and the mounting seat are fixedly assembled together, which facilitates the assembly of the circuit breaker body and the mounting seat.

[0008] In some embodiments, the elastic terminal includes a conductive column and a support spring. A sliding hole is opened in the circuit breaker body. The conductive column is slidably installed in the sliding hole. The support spring is arranged in the sliding hole and presses the conductive column outwardly so that the end of the conductive column extends outward through the guide plate and contacts the conductive block. An insulating pad is fixedly installed at one end of the conductive column away from the conductive block, and the end of the support spring presses against the insulating pad to realize electrical connection between the mounting seat and the circuit breaker body, and the mounting seat and the circuit breaker body are easy to disassemble.

[0009] In some embodiments, the first terminal and the second terminal have the same structure, both including a copper ring and a clamping bolt, the clamping bolt is threadedly connected to the copper ring, wire lead-in holes are provided on the upper and lower sides of the circuit breaker body, and two adjustment holes are provided on the front of the circuit breaker body, the two adjustment holes are respectively connected to the wire lead-in holes on the upper and lower sides, the copper ring is arranged in the wire lead-in hole, the clamping bolt is arranged in the adjustment hole, and the wire can be inserted into the first terminal and the second terminal.

[0010] In some embodiments, the mounting seat is provided with insertion slots on both the upper and lower sides, the two insertion slots are connected to the mounting card slot, and the first card connector and the second card connector are respectively installed in the two mounting slots, so that the mounting seat can be installed on the mounting rail.

[0011] Beneficial Effects

[0012] The utility model provides a circuit breaker installation mechanism, which has the following beneficial effects:

[0013] 1. The installation mechanism of the circuit breaker is provided with a separate mounting seat and a circuit breaker body. After the mounting seat is fixed, since the wiring terminals are arranged on the mounting seat and the wires are inserted into the wiring terminals, the circuit breaker body is electrically connected with the wiring terminals through the elastic terminals. The circuit breaker body can be removed separately without pulling out the wires in the wiring terminals in advance, thereby achieving the effect of facilitating replacement and maintenance of the circuit breaker.

[0014] 2. The mounting mechanism of the circuit breaker is provided with elastic terminals. Under the action of the supporting spring, the conductive column presses against the conductive block to realize the electrical connection between the mounting seat and the circuit breaker body. The mounting seat is fixed with the assembly screws, and the assembly screws can be disassembled and assembled on the front of the circuit breaker, which improves the convenience of disassembly and assembly of the assembly screws in a narrow space. The operation is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the side section structure of the utility model (I);

[0017] Figure 3 This is a schematic diagram of the side section structure of the utility model (II);

[0018] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 5 It is a schematic diagram of the rear section structure of the utility model.

[0020] In the figure: 1 mounting base, 2 circuit breaker body, 3 first terminal, 4 second terminal, 5 mounting slot, 6 assembly slot, 7 conductive block, 8 elastic terminal, 9 guide plate, 10 connecting plate, 11 assembly screw, 12 conductive column, 13 support spring, 14 insulating pad, 15 copper ring, 16 clamping bolt, 17 wire lead-in hole, 18 adjustment hole, 19 first clamping piece, 20 second clamping piece. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a mounting mechanism for a circuit breaker, comprising a mounting seat 1 and a circuit breaker body 2, a mounting card slot 5 is provided on the back of the mounting seat 1, an assembly slot 6 is provided on the front of the mounting seat 1, and the circuit breaker body 2 is slidably inserted into the assembly slot 6; both upper and lower sides of the mounting seat 1 are provided with insertion slots, the two insertion slots are connected with the mounting card slot 5, and a first clamping member 19 and a second clamping member 20 are respectively clamped and installed in the two mounting slots, with reference to Figure 5 .

[0023] Specifically, Figure 3 As shown, the upper and lower inner walls of the assembly groove 6 are both provided with positioning grooves, and the upper and lower surfaces of the circuit breaker body 2 are both fixedly mounted with guide plates 9, which are slidably inserted into the positioning grooves.

[0024] The upper and lower side surfaces of the circuit breaker body 2 are fixedly mounted with connecting plates 10, the surface of the connecting plate 10 is provided with bolt holes, and assembly screws 11 are inserted into the bolt holes. The assembly screws 11 are threadedly connected with the front surface of the mounting seat 1, so that the circuit breaker body 2 and the mounting seat 1 are fixedly assembled together. The connecting plate 10 and the mounting seat 1 are fixed by the assembly screws 11. The assembly screws 11 can be disassembled and assembled at the front of the circuit breaker, which improves the convenience of disassembly and assembly of the assembly screws 11 in a narrow space, and is easy to operate and practical.

[0025] Two wiring terminals are embedded inside the mounting base 1, and the two wiring terminals are respectively a first terminal 3 and a second terminal 4. The first terminal 3 and the second terminal 4 have the same structure, and both include a copper ring 15 and a clamping bolt 16. The clamping bolt 16 is threadedly connected to the copper ring 15. Wire lead-in holes 17 are provided on the upper and lower sides of the circuit breaker body 2. Two adjustment holes 18 are provided on the front side of the circuit breaker body 2. The two adjustment holes 18 are respectively connected to the wire lead-in holes 17 on the upper and lower sides. The copper ring 15 is arranged in the wire lead-in hole 17, and the clamping bolt 16 is arranged in the adjustment hole 18.

[0026] Two conductive blocks 7 are embedded in the inner wall of the assembly groove 6. The two conductive blocks 7 are electrically connected to the first terminal 3 and the second terminal 4 through wires. Two elastic terminals 8 are embedded in the surface of the circuit breaker body 2. When the circuit breaker body 2 is slidably installed in the assembly groove 6, the two elastic terminals 8 are electrically connected to the two conductive blocks 7 respectively.

[0027] Among them, Figure 4 As shown, the elastic terminal 8 includes a conductive column 12 and a support spring 13. A sliding hole is opened in the circuit breaker body 2. The conductive column 12 is slidably installed in the sliding hole. The support spring 13 is arranged in the sliding hole and presses the conductive column 12 outwardly, so that the end of the conductive column 12 passes through the guide plate 9 and extends outward to contact the conductive block 7.

[0028] An insulating pad 14 is fixedly installed on one end of the conductive column 12 away from the conductive block 7, and the end of the support spring 13 is pressed against the insulating pad 14. By setting the elastic terminal 8, under the action of the support spring 13, the conductive column 12 is pressed against the conductive block 7, thereby realizing the electrical connection between the mounting base 1 and the circuit breaker body 2, and ensuring that the mounting base 1 and the circuit breaker body 2 are easy to disassemble.

[0029] Working principle: During the installation process, the mounting slot 5 on the back of the mounting base 1 is clamped on the mounting rail of the transformer box, and the upper and lower sides of the mounting rail are clamped by the first clamping piece 19 and the second clamping piece 20. The wires are inserted into the first terminal 3 and the second terminal 4 respectively, and the clamping bolt 16 is used to clamp the wires. When the circuit breaker fails, the circuit breaker body 2 can be removed alone.

[0030] The mounting mechanism of the circuit breaker is provided with a separate mounting seat 1 and a circuit breaker body 2. After the mounting seat 1 is fixed on the mounting rail, since the wiring terminals are provided on the mounting seat 1 and the wires are inserted into the wiring terminals, the circuit breaker body 2 is electrically connected with the wiring terminals through the elastic terminals 8. The circuit breaker body 2 can be removed separately without pulling out the wires in the wiring terminals in advance, thereby achieving the effect of facilitating replacement and maintenance of the circuit breaker.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker mounting mechanism, comprising a mounting base (1) and a circuit breaker body (2), characterized in that: The back of the mounting seat (1) is provided with a mounting slot (5), the front of the mounting seat (1) is provided with an assembly slot (6), and the circuit breaker body (2) is slidably inserted into the assembly slot (6); A first terminal (3) and a second terminal (4) are fixedly mounted inside the mounting seat (1), two conductive blocks (7) are embedded in the inner wall of the assembly slot (6), and the two conductive blocks (7) are electrically connected to the first terminal (3) and the second terminal (4) through wires, respectively. Two elastic terminals (8) are embedded on the surface of the circuit breaker body (2), and when the circuit breaker body (2) is slidably mounted in the assembly slot (6), the two elastic terminals (8) are electrically connected to the two conductive blocks (7) respectively.

2. The installation mechanism of a circuit breaker according to claim 1, characterized in that: The upper and lower inner walls of the assembly groove (6) are both provided with positioning grooves, and the upper and lower surfaces of the circuit breaker body (2) are both fixedly mounted with guide plates (9), which are slidably inserted into the positioning grooves.

3. The installation mechanism of a circuit breaker according to claim 2, characterized in that: The upper and lower side surfaces of the circuit breaker body (2) are both fixedly mounted with connecting plates (10), the surface of the connecting plate (10) is provided with bolt holes, and assembly screws (11) are inserted into the bolt holes, and the assembly screws (11) are threadedly connected to the front surface of the mounting seat (1), so that the circuit breaker body (2) and the mounting seat (1) are fixedly assembled together.

4. The installation mechanism of a circuit breaker according to claim 3, characterized in that: The elastic terminal (8) comprises a conductive column (12) and a supporting spring (13). A sliding hole is provided in the circuit breaker body (2). The conductive column (12) is slidably installed in the sliding hole. The supporting spring (13) is arranged in the sliding hole and presses the conductive column (12) outwardly, so that the end of the conductive column (12) passes through the guide plate (9) and extends outward to contact the conductive block (7).

5. The installation mechanism of a circuit breaker according to claim 4, characterized in that: An insulating pad (14) is fixedly mounted on one end of the conductive column (12) away from the conductive block (7), and the end of the supporting spring (13) is pressed against the insulating pad (14).

6. The installation mechanism of a circuit breaker according to claim 5, characterized in that: The first terminal (3) and the second terminal (4) have the same structure, both comprising a copper ring (15) and a clamping bolt (16), wherein the clamping bolt (16) is threadedly connected to the copper ring (15).

7. The installation mechanism of a circuit breaker according to claim 6, characterized in that: The circuit breaker body (2) is provided with wire lead-in holes (17) on both upper and lower sides, and the front side of the circuit breaker body (2) is provided with two adjustment holes (18), the two adjustment holes (18) are respectively connected to the wire lead-in holes (17) on the upper and lower sides, the copper ring (15) is arranged in the wire lead-in hole (17), and the clamping bolt (16) is arranged in the adjustment hole (18).

8. The installation mechanism of a circuit breaker according to claim 7, characterized in that: The upper and lower sides of the mounting seat (1) are both provided with insertion slots, the two insertion slots are connected to the mounting slot (5), and a first clamping member (19) and a second clamping member (20) are respectively clamped and installed in the two mounting slots.

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