Auxiliary switch structure of circuit breaker

Abstract

The utility model belongs to the field of auxiliary switch structures, and particularly relates to a circuit breaker auxiliary switch structure which comprises a circuit breaker, junction boxes are fixedly connected to the upper end and the lower end of the circuit breaker, two connecting frames which are symmetrically distributed up and down are connected to the front face of the circuit breaker in a sliding mode, and the outer sides of the two connecting frames are jointly and fixedly connected with an insulating cover. A mounting mechanism is arranged on the connecting frame, a rubber door is hinged to the front face of the insulating cover, an insulating button is slidably connected into the insulating cover, and a toggle switch is arranged in the circuit breaker. According to the auxiliary switch structure, the limiting frame, the insulating handle, the reset nail and other structures are additionally arranged on the connecting frame, the limiting frame can be driven by the elastic force of the second spring to slide into the limiting seat of the circuit breaker to limit the connecting frame and the insulating cover, and when the auxiliary switch structure needs to be disassembled, only the limiting frame needs to be separated from the limiting seat, so that the auxiliary switch structure is convenient to disassemble. Therefore, the auxiliary switch structure is more convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary switch structures, in particular to an auxiliary switch structure of a circuit breaker. Background Art

[0002] A circuit breaker is a switching 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. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The boundary between high and low voltage is relatively vague. Generally, those above 3kV are called high-voltage electrical appliances. When the circuit breaker is in use and the voltage is high, the circuit breaker can be closed through the auxiliary switch structure. However, the auxiliary switch structure in the prior art is fixedly installed on the outside of the circuit breaker, which affects the installation and debugging of the circuit breaker, and cannot be quickly closed during the use of the circuit breaker. Therefore, there is a need to improve the prior art. Utility Model Content

[0003] The utility model aims to provide a circuit breaker auxiliary switch structure, which solves the problem that the auxiliary switch structure is inconvenient to disassemble and the circuit breaker cannot be quickly closed.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit breaker auxiliary switch structure, comprising a circuit breaker, wherein the upper and lower ends of the circuit breaker are fixedly connected to junction boxes, the front of the circuit breaker is slidably connected to two connecting frames symmetrically distributed up and down, the outer sides of the two connecting frames are commonly fixedly connected to an insulating cover, a mounting mechanism is provided on the connecting frame, a rubber door is hinged on the front of the insulating cover, an insulating button is slidably connected to the inside of the insulating cover, a toggle switch is provided inside the circuit breaker, a connecting frame is bonded to the outside of the toggle switch, a steel wire is fixedly connected to the lower end of the connecting frame, a guide nail is fixedly connected to the inside of the insulating cover, a connecting plate is slidably connected to the outside of the guide nail, and a spring is provided on the outside of the guide nail.

[0005] Preferably, a guide wheel is installed inside the insulating cover, the guide wheel is in contact with the steel wire, and one end of the steel wire away from the connecting frame is fixedly connected to the insulating button, and the steel wire can drive the connecting frame to move.

[0006] Preferably, one end of the spring one is fixedly connected to the guide pin, the other end of the spring one is fixedly connected to the connecting plate, the connecting plate is fixedly connected to the insulating button, and the spring one can drive the connecting plate to automatically reset through elastic force.

[0007] Preferably, the mounting mechanism includes a limit seat, and two pairs of symmetrically distributed limit seats are fixedly connected to the upper and lower ends of the circuit breaker, and two symmetrically distributed reset pins are slidably connected to the inside of the connecting frame, and the end of the reset pin away from the connecting frame is fixedly connected to the limit frame, and the side of the limit frame away from the circuit breaker is fixedly connected to an insulating handle, and a second spring is arranged on the outer side of the reset pin, and the front side of the circuit breaker is fixedly connected to the limit column, which can assist the limit frame to limit the connecting frame.

[0008] Preferably, the limit seat is fixedly connected to the junction box, the limit column is slidably connected to the connecting frame, the limit frame is slidably connected to the limit seat, the limit frame is in contact with the circuit breaker, and the limit frame can limit the connecting frame and the insulating cover through the limit seat.

[0009] Preferably, one end of the second spring is fixedly connected to the connecting frame, and the other end of the second spring is fixedly connected to the reset pin, and the second spring can support the reset pin through elastic force.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model adds structures such as a limit frame, an insulating handle and a reset nail on the connecting frame, and can drive the limit frame to slide into the limit seat of the circuit breaker through the elastic force of the second spring to limit the connecting frame and the insulating cover. When the auxiliary switch structure needs to be disassembled, it is only necessary to separate the limit frame from the limit seat, so that the auxiliary switch structure can be more convenient to disassemble and install.

[0012] 2. The utility model adds structures such as steel wire, guide wheel and insulating button inside the insulating cover. When emergency manual closing is required, the insulating button can be pressed, and the insulating button can be deflected by the toggle switch on the circuit breaker driven by the steel wire, thereby effectively improving the closing of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0014] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0015] Figure 3 For the utility model Figure 1 Left side sectional view of

[0016] Figure 4 For the utility model Figure 2 A magnified view of the structure of part A;

[0017] Figure 5 For the utility model Figure 3 Enlarged view of the structure of part B.

[0018] In the figure: 1. Circuit breaker; 2. Junction box; 3. Connecting frame; 4. Insulating cover; 5. Mounting mechanism; 6. Rubber door; 7. Insulating button; 8. Steel wire; 9. Toggle switch; 10. Connecting frame; 11. Guide wheel; 12. Guide pin; 13. Connecting plate; 14. Spring 1; 51. Limit seat; 52. Reset pin; 53. Limiting frame; 54. Insulating handle; 55. Spring 2; 56. Limiting column. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A circuit breaker auxiliary switch structure includes a circuit breaker 1, wherein the upper and lower ends of the circuit breaker 1 are fixedly connected to a junction box 2, the front of the circuit breaker 1 is slidably connected to two connecting frames 3 symmetrically distributed up and down, the outer sides of the two connecting frames 3 are commonly fixedly connected to an insulating cover 4, a mounting mechanism 5 is arranged on the connecting frame 3, a rubber door 6 is hinged on the front of the insulating cover 4, an insulating button 7 is slidably connected inside the insulating cover 4, a toggle switch 9 is arranged inside the circuit breaker 1, a connecting frame 10 is bonded to the outer side of the toggle switch 9, a steel wire 8 is fixedly connected to the lower end of the connecting frame 10, a guide nail 12 is fixedly connected to the inside of the insulating cover 4, a connecting plate 13 is slidably connected to the outer side of the guide nail 12, and a spring 14 is arranged on the outer side of the guide nail 12.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A guide wheel 11 is installed inside the insulating cover 4, and the guide wheel 11 contacts the steel wire 8. The end of the steel wire 8 away from the connecting frame 10 is fixedly connected to the insulating button 7, and the steel wire 8 can drive the connecting frame 10 to move. One end of the spring 14 is fixedly connected to the guide nail 12, and the other end of the spring 14 is fixedly connected to the connecting plate 13. The connecting plate 13 is fixedly connected to the insulating button 7. The spring 14 can drive the connecting plate 13 to automatically reset through elastic force.

[0022] See also Figure 1 , Figure 2 , Figure 4 The mounting mechanism 5 includes a limit seat 51. Two pairs of symmetrically distributed limit seats 51 are fixedly connected to the upper and lower ends of the circuit breaker 1. Two symmetrically distributed reset pins 52 are slidably connected to the inside of the connecting frame 3. The end of the reset pin 52 away from the connecting frame 3 is fixedly connected to the limit frame 53. The side of the limit frame 53 away from the circuit breaker 1 is fixedly connected to an insulating handle 54. A spring 55 is arranged on the outside of the reset pin 52. A limit column 56 is fixedly connected to the front of the circuit breaker 1. The limit column 56 can assist The limiting frame 53 limits the connecting frame 3, the limiting seat 51 is fixedly connected to the junction box 2, the limiting column 56 is slidably connected to the connecting frame 3, the limiting frame 53 is slidably connected to the limiting seat 51, the limiting frame 53 contacts the circuit breaker 1, and the limiting frame 53 can limit the connecting frame 3 and the insulating cover 4 through the limiting seat 51. One end of the spring 55 is fixedly connected to the connecting frame 3, and the other end of the spring 55 is fixedly connected to the reset nail 52. The spring 55 can support the reset nail 52 through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, the insulating handle 54 is pulled to drive the limit frame 53 to move, and the spring 2 55 is compressed by the reset nail 52. When the limit frame 53 moves a certain distance, the connecting frame 3 is placed on the outside of the circuit breaker 1, and the limit column 56 is slid into the inside of the connecting frame 3. When the connecting frame 3 contacts the circuit breaker 1, the insulating handle 54 is released, and the spring 2 55 is reset. The spring 2 55 can drive the limit frame 53 to slide into the inside of the limit seat 51 through elastic force, and the installation of the auxiliary switch structure can be completed;

[0024] When the circuit breaker 1 needs to be disconnected quickly, the insulating button 7 is pressed, and the insulating button 7 drives the steel wire 8 to move and compresses the spring 14. The steel wire 8 is guided by the guide wheel 11 during the movement, and then drives the connecting frame 10 to move. The connecting frame 10 can drive the toggle switch 9 to deflect during the movement, so that the circuit breaker 1 can be quickly closed.

[0025] 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 auxiliary switch structure, comprising a circuit breaker (1), characterized in that: The upper and lower ends of the circuit breaker (1) are fixedly connected to a junction box (2); the front of the circuit breaker (1) is slidably connected to two connecting frames (3) symmetrically distributed in an upper and lower direction; the outer sides of the two connecting frames (3) are commonly fixedly connected to an insulating cover (4); a mounting mechanism (5) is provided on the connecting frame (3); a rubber door (6) is hingedly connected to the front of the insulating cover (4); an insulating button (7) is slidably connected to the inside of the insulating cover (4); a toggle switch (9) is provided inside the circuit breaker (1); a connecting frame (10) is bonded to the outer side of the toggle switch (9); a steel wire (8) is fixedly connected to the lower end of the connecting frame (10); a guide nail (12) is fixedly connected to the inside of the insulating cover (4); a connecting plate (13) is slidably connected to the outer side of the guide nail (12); a spring (14) is provided on the outer side of the guide nail (12).

2. A circuit breaker auxiliary switch structure according to claim 1, characterized in that: A guide wheel (11) is installed inside the insulating cover (4), the guide wheel (11) is in contact with the steel wire (8), and one end of the steel wire (8) away from the connecting frame (10) is fixedly connected to the insulating button (7).

3. A circuit breaker auxiliary switch structure according to claim 1, characterized in that: One end of the spring one (14) is fixedly connected to the guide pin (12), the other end of the spring one (14) is fixedly connected to the connecting plate (13), and the connecting plate (13) is fixedly connected to the insulating button (7).

4. A circuit breaker auxiliary switch structure according to claim 1, characterized in that: The mounting mechanism (5) comprises a limit seat (51), and two pairs of symmetrically distributed limit seats (51) are fixedly connected at both upper and lower ends of the circuit breaker (1); two symmetrically distributed reset pins (52) are slidably connected inside the connecting frame (3); one end of the reset pin (52) away from the connecting frame (3) is fixedly connected to a limit frame (53); a side of the limit frame (53) away from the circuit breaker (1) is fixedly connected to an insulating handle (54); a second spring (55) is arranged on the outside of the reset pin (52); and a limit column (56) is fixedly connected to the front of the circuit breaker (1).

5. A circuit breaker auxiliary switch structure according to claim 4, characterized in that: The limiting seat (51) is fixedly connected to the junction box (2), the limiting column (56) is slidably connected to the connecting frame (3), the limiting frame (53) is slidably connected to the limiting seat (51), and the limiting frame (53) is in contact with the circuit breaker (1).

6. A circuit breaker auxiliary switch structure according to claim 4, characterized in that: One end of the second spring (55) is fixedly connected to the connecting frame (3), and the other end of the second spring (55) is fixedly connected to the reset pin (52).

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