Circuit breaker interlocking device

Abstract

The utility model discloses a circuit breaker interlocking device, which comprises circuit breaker bodies, brake grooves are formed in the front surfaces of the circuit breaker bodies, switches are rotatably connected in the brake grooves, mounting boxes are fixedly mounted on the side walls of the two circuit breaker bodies, placement grooves are formed in the front surfaces of the two mounting boxes, and the placement grooves are fixedly connected with the brake grooves. First rotating shafts are fixedly connected to the interiors of the two placement grooves, first connecting rods are rotatably connected to the two first rotating shafts, first sliding grooves are formed in the side walls of the two first connecting rods, and two second sliding grooves are symmetrically formed in the inner walls of the two first sliding grooves; according to the utility model, the second limiting block is arranged to slide between the first sliding groove and the third sliding groove so as to fix the first rotating rod and the second brake rod, so that the switch can be limited, and the installation process is relatively simple, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker interlocking, in particular to a circuit breaker interlocking device. Background Art

[0002] After searching, patent number CN216389240U discloses an interlocking device for a circuit breaker. The utility model has a reasonable structural design and adopts a reset spring as the output center. It effectively limits multiple switches with a limit rod through a reset plate and a brake plate, effectively preventing technicians from accidentally touching switches during maintenance, causing the circuit to be energized and causing conductive accidents. A snap-fit ​​installation method is adopted, making the whole easy to disassemble and assemble, and to adjust and replace components as needed.

[0003] However, the above-mentioned existing interlocking device for a circuit breaker requires that the installation connection block be installed in the connection device first, and then the limit rod be installed on the brake plate. The installation process is relatively complicated and has small parts that are not convenient to carry, which is time-consuming and labor-intensive.

[0004] In order to solve the above problems, the utility model provides a circuit breaker interlocking device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a circuit breaker interlocking device to solve the technical problem in the prior art that "the device requires first installing the installation connection block in the connection device, and then installing the limit rod on the brake plate. The installation process is relatively complicated and has small parts that are not convenient to carry, and is time-consuming and labor-intensive."

[0006] To achieve the above purpose, the utility model is implemented through the following technical scheme: it includes a circuit breaker body, a brake groove is provided on the front of the circuit breaker body, a switch is rotatably connected in the brake groove, installation boxes are fixedly installed on the side walls of the two circuit breaker bodies, a placement groove is provided on the front of the two installation boxes, a first rotating shaft is fixedly connected in the two placement grooves, a first connecting rod is rotatably connected to the two first rotating shafts, a first sliding groove is provided on the side walls of the two first connecting rods, two second sliding grooves are symmetrically provided on the inner walls of the two first sliding grooves, a first limit block is slidably connected in the two first sliding grooves, two sliding blocks are symmetrically fixedly connected on the two side walls of the two first limit blocks, each sliding block slides in the second sliding groove, the second rotating shaft is fixedly connected in the two placement grooves, and the two The second rotating shaft is rotatably connected to a second connecting rod, and the side walls of the two second connecting rods are provided with a third sliding groove matching the first limit block, and the third sliding groove is symmetrically provided with two identical second sliding grooves, and the other ends of the two second connecting rods are fixedly connected to a third rotating shaft, one of the third rotating shafts is rotatably connected to a first brake rod, and the upper end surface of the first brake rod is provided with an installation groove, and the installation groove is symmetrically provided with two first slide grooves, and the other third rotating shaft is rotatably connected to a second brake rod, and the upper end surface of the second brake rod is provided with a third slide groove, and the third slide groove is symmetrically provided with two second slide grooves matching the first slide groove, and the second limit block is slidably connected to the third slide groove, and two sliding blocks are fixedly connected to the two side walls of the second limit block, and the sliding blocks slide in the second slide groove and the first slide groove.

[0007] As a preferred technical solution of the utility model, the first limit block slides in the third sliding groove, a first permanent magnet is arranged on the upper surface of the first limit block, anti-slip grooves are arranged in the second sliding groove and the third sliding groove, and a second permanent magnet is arranged in the first sliding groove.

[0008] As a preferred technical solution of the utility model, the installation groove, the first slide groove, the third slide groove and the second slide groove are all provided with anti-slip grooves, and the upper end surface of the second limit block is provided with anti-slip grooves.

[0009] As a preferred technical solution of the utility model, the first connecting rod is fixedly connected to the second connecting rod via a first limiting block, and the first brake rod is fixedly connected to the second brake rod via a second limiting block.

[0010] As a preferred technical solution of the utility model, two mounting holes are symmetrically provided on the front of the circuit breaker body, and a power transmission line is fixedly connected to each mounting hole by bolts.

[0011] As a preferred technical solution of the utility model, the lower end surfaces of the first brake rod and the second brake rod are slidably connected to the upper end surface of the switch.

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

[0013] 1. The utility model can fix the first rotating rod and the second braking rod by setting the second limiting block to slide between the first sliding groove and the third sliding groove, so as to limit the switch, and the installation process is relatively simple, saving time and effort.

[0014] 2. The utility model provides a placement groove, so that the first connecting rod, the second connecting rod, the first brake rod, and the second brake rod that are no longer in use can be placed in the placement groove. No small parts are required for installation, and the device is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a circuit breaker interlocking device proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of a first brake rod in a circuit breaker interlocking device proposed by the utility model;

[0017] Figure 3 This is a structural schematic diagram of an installation box in a circuit breaker interlocking device proposed by the utility model;

[0018] Figure 4 The present invention is a schematic diagram of the structure of A in a circuit breaker interlocking device.

[0019] In the figure: 1 circuit breaker body, 2 switch, 3 installation box, 4 placement groove, 5 first rotating shaft, 6 first connecting rod, 7 first sliding groove, 8 second sliding groove, 9 first limit block, 10 second rotating shaft, 11 second connecting rod, 12 third rotating shaft, 13 first brake rod, 14 second brake rod, 15 installation groove, 16 first slide groove, 17 third slide groove, 18 second limit block. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0021] refer to Figure 1-4The utility model provides a technical solution: it includes a circuit breaker body 1, and a place can be provided for installing an installation box 3 by setting the circuit breaker body 1. A brake groove is opened in the front of the circuit breaker body 1, and a switch 2 is rotatably connected in the brake groove. The circuit breaker can be controlled by setting the switch 2. Installation boxes 3 are fixedly installed on the side walls of the two circuit breaker bodies 1. The installation boxes 3 can provide a place for installing a first rotating shaft 5. A placement groove 4 is opened in the front of the two installation boxes 3. The placement groove 4 can provide a place for installing the first rotating shaft 5. The two placement grooves 4 are fixedly connected with the first rotating shaft 5. The first rotating shaft 5 can be easily rotated by setting the first rotating shaft 5. The two first rotating shafts 5 are rotatably connected with the first connecting rod 6. A connecting rod 6, by setting the first connecting rod 6, the second connecting rod 11 can be limited, the side walls of the two first connecting rods 6 are provided with a first sliding groove 7, and the first sliding groove 7 can facilitate the movement of the first limit block 9, and the inner walls of the two first sliding grooves 7 are symmetrically provided with two second sliding grooves 8, and the second sliding groove 8 can facilitate the sliding of the sliding block, and the two first sliding grooves 7 are slidably connected with the first limit block 9, and the first limit block 9 can provide a place for installing the first permanent magnet, and two sliding blocks are symmetrically fixedly connected on the two side walls of the two first limit blocks 9, and each sliding block slides in the second sliding groove 8, and the two placement slots 4 are fixedly connected with the second rotating shaft 10, providing a place for the second rotating shaft The movable shaft 10 can facilitate the rotation of the second connecting rod 11. The second connecting rods 11 are rotatably connected to the two second rotating shafts 10. The third rotating shaft 12 can be connected by setting the second connecting rod 11. The side walls of the two second connecting rods 11 are provided with third sliding grooves matching the first limit block 9. Two identical second sliding grooves 8 are symmetrically provided in the third sliding groove. The second sliding groove 8 can provide a place for installing the second permanent magnet. The other ends of the two second connecting rods 11 are fixedly connected with the third rotating shaft 12. The third rotating shaft 12 can facilitate the rotation of the first brake rod 13 and the second brake rod 14. One of the third rotating shafts 12 is rotatably connected to the first brake rod 13. The first brake rod 13 can be set The switch 2 is locked, and a mounting groove 15 is provided on the upper end surface of the first brake rod 13. The mounting groove 15 is provided to facilitate the installation of the second brake rod 14. Two first slide grooves 16 are symmetrically provided in the mounting groove 15. The second brake rod 14 is rotatably connected to the other third rotating shaft 12. The switch 2 can be fixed by providing the second brake rod 14. A third slide groove 17 is provided on the upper end surface of the second brake rod 14. Two second slide grooves matching the first slide groove 16 are symmetrically provided in the third slide groove 17. A second limit block 18 is slidably connected in the third slide groove 17. The first brake rod 13 and the second brake rod 14 can be connected by providing the second limit block 18. Two sliders are fixedly connected to both side walls of the second limit block 18.The slider slides in the second slide groove and the first slide groove 16.

[0022] Among them, the first limit block 9 slides in the third sliding groove, and a first permanent magnet is arranged on the upper surface of the first limit block 9, which can be connected with the second permanent magnet by setting the first permanent magnet, and anti-slip grooves are arranged in the second sliding groove 8 and the third sliding groove, and a second permanent magnet is arranged in the first sliding groove 7, which can be connected with the first permanent magnet by setting the second permanent magnet.

[0023] Among them, the installation groove 15, the first slide groove 16, the third slide groove 17 and the second slide groove are all provided with anti-slip grooves, and the upper end surface of the second limit block 18 is provided with anti-slip grooves. The friction force of the second limit block 18 can be increased by providing the anti-slip grooves.

[0024] The first connecting rod 6 is fixedly connected to the second connecting rod 11 via the first limiting block 9, and the first brake rod 13 is fixedly connected to the second brake rod 14 via the second limiting block 18. The switch 2 can be fixed by setting the second brake rod 14.

[0025] There are two mounting holes symmetrically arranged on the front of the circuit breaker body 1, and a power transmission line is fixedly connected to each mounting hole by bolts. The installation of the power transmission line can be facilitated by providing the mounting holes.

[0026] The lower end surfaces of the first brake rod 13 and the second brake rod 14 are slidably connected to the upper end surface of the switch 2, and the circuit breaker can be controlled by setting the switch 2.

[0027] The working principle of the utility model is as follows: first, the first brake rod 13 and the second brake rod 14 are folded to the top of the switch 2, and the third slide groove 17 is pushed into the first slide groove 16 to fix the first brake rod 13 and the second brake rod 14, and then the first connecting rod 6 is folded so that the first sliding groove 7 corresponds to the third sliding groove, and then the first limiting block 9 is pushed so that the first permanent magnet on the first limiting block 9 and the second permanent magnet in the first sliding groove 7 are attracted to each other so that the first connecting rod 6 is connected to the second connecting rod 11, when there is no need to limit the switch 2, the third slide groove 17 is pushed to release the connection between the first brake rod 13 and the second brake rod 14, and the first limiting block 9 is pushed to release the connection between the first connecting rod 6 and the second connecting rod 11, and then the first brake rod 13 and the second brake rod 14 are folded so that the first brake rod 13 and the second brake rod 14 are located below the second connecting rod 11, and then the first connecting rod 6, the second connecting rod 11, the first brake rod 13, and the second brake rod 14 are placed into the placement groove 4 respectively;

[0028] The device can fix the first brake rod 13 and the second brake rod 14 by setting the second limit block 18 to slide in the first slide groove 16 and the third slide groove 17, so that the switch 2 can be limited. The installation process is relatively simple, time-saving and labor-saving. A placement groove 4 is set to place the first connecting rod 6, the second connecting rod 11, the first brake rod 13, and the second brake rod 14, and the installation does not require small parts, which is convenient to carry.

[0029] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model.

Claims

1. A circuit breaker interlocking device, comprising a circuit breaker body (1), characterized in that: A brake groove is provided on the front of the circuit breaker body (1), and a switch (2) is rotatably connected in the brake groove. An installation box (3) is fixedly installed on the side walls of the two circuit breaker bodies (1). A placement groove (4) is provided on the front of the two installation boxes (3). A first rotating shaft (5) is fixedly connected in the two placement grooves (4). A first connecting rod (6) is rotatably connected to the two first rotating shafts (5). A first sliding groove (7) is provided on the side walls of the two first connecting rods (6). Two second sliding grooves (8) are symmetrically provided on the inner walls of the two first sliding grooves (7). A first limiting block (9) is slidably connected in the two first sliding grooves (7). Two sliding blocks are symmetrically fixedly connected on the two side walls of the two first limiting blocks (9), and each sliding block slides in the second sliding groove (8). A second rotating shaft (10) is fixedly connected in the two placement grooves (4). A second connecting rod (11) is rotatably connected to the two second rotating shafts (10). The side walls of the two connecting rods (11) are each provided with a third sliding groove matching the first limit block (9), and two identical second sliding grooves (8) are symmetrically provided in the third sliding groove. The other ends of the two second connecting rods (11) are fixedly connected with a third rotating shaft (12), and one of the third rotating shafts (12) is rotatably connected with a first brake rod (13), and the upper end surface of the first brake rod (13) is provided with a mounting groove (15), and two first sliding grooves are symmetrically provided in the mounting groove (15). (16), a second brake rod (14) is rotatably connected to the other third rotating shaft (12), a third slide groove (17) is provided on the upper end surface of the second brake rod (14), two second slide grooves matching the first slide groove (16) are symmetrically provided in the third slide groove (17), a second limit block (18) is slidably connected in the third slide groove (17), two sliding blocks are fixedly connected to the two side walls of the second limit block (18), and the sliding blocks slide in the second slide groove and the first slide groove (16).

2. A circuit breaker interlocking device according to claim 1, characterized in that: The first limit block (9) slides in the third sliding groove, a first permanent magnet is arranged on the upper surface of the first limit block (9), anti-slip grooves are arranged in the second sliding groove (8) and the third sliding groove, and a second permanent magnet is arranged in the first sliding groove (7).

3. A circuit breaker interlocking device according to claim 1, characterized in that: The installation groove (15), the first slide groove (16), the third slide groove (17) and the second slide groove are all provided with anti-slip grooves, and the upper end surface of the second limit block (18) is provided with anti-slip grooves.

4. A circuit breaker interlocking device according to claim 1, characterized in that: The first connecting rod (6) is fixedly connected to the second connecting rod (11) via a first limiting block (9), and the first brake rod (13) is fixedly connected to the second brake rod (14) via a second limiting block (18).

5. A circuit breaker interlocking device according to claim 1, characterized in that: Two mounting holes are symmetrically provided on the front of the circuit breaker body (1), and a power transmission line is fixedly connected to each mounting hole by means of bolts.

6. A circuit breaker interlocking device according to claim 1, characterized in that: The lower end surfaces of the first brake rod (13) and the second brake rod (14) are slidably connected to the upper end surface of the switch (2).

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