A circuit breaker mounting backplate

Abstract

The utility model relates to circuit breaker mounting plate technical field, concretely to a kind of circuit breaker mounting backplate, including backplate body, the backplate body is installed in the inside of distribution box by bolt, further include: for the positioning assembly of the fastening and fixing circuit breaker body in the top outer wall of the backplate body;Locking assembly preventing the loosening of the positioning assembly, the number of the locking assembly is two groups.In the utility model, the stable installation of circuit breaker body is realized by the positioning assembly and locking assembly on backplate body, the vertical direction positioning is realized by the cooperation of threaded rod and threaded hole in positioning assembly and the compression of circuit breaker body through limiting disc, L-shaped positioning part of locking assembly realizes horizontal limiting, two groups of locking assembly of diagonal distribution are inserted into fixed column locking hole by spring driving locking column, prevent the loosening of positioning assembly, to ensure that circuit breaker is installed firmly in distribution box, positioning accurate, avoid displacement or drop due to vibration and other factors, ensure operation safety.

Description

Technical Field

[0001] This utility model relates to the technical field of circuit breaker mounting plates, specifically a circuit breaker mounting backplate. Background Technology

[0002] In power systems, circuit breakers are key components within distribution boxes, and their installation stability directly affects the safe operation of circuits.

[0003] In existing technologies, circuit breakers are typically fixed inside the distribution box via a backplate. However, traditional installation methods have significant shortcomings: Firstly, most solutions use bolts to directly fix the circuit breaker to the backplate. Since the distribution box is frequently subjected to vibrations during operation (such as equipment operation and environmental interference), the bolts are prone to loosening or even falling off, leading to connection failure between the circuit breaker and the backplate and posing a risk of circuit faults due to poor contact. Secondly, some technologies use steel wires threaded through positioning holes in the backplate to fix the circuit breaker. While this ensures installation stability, later maintenance requires removing the entire backplate from the distribution box to remove the circuit breaker, making the process cumbersome and reducing maintenance efficiency. Therefore, a circuit breaker mounting backplate is urgently needed to solve these problems. Utility Model Content

[0004] In view of the shortcomings of the prior art mentioned in the background, the present invention provides a circuit breaker mounting backplate.

[0005] This utility model overcomes the above technical problems by adopting the following technical solution:

[0006] A circuit breaker mounting backplate includes a backplate body, which is bolted to the interior of a distribution box, and further includes:

[0007] A positioning assembly for fastening and fixing the circuit breaker body to the top outer wall of the back plate body;

[0008] A locking component to prevent the positioning component from loosening, wherein there are two sets of locking components, and the two sets of locking components are diagonally distributed at both ends of the circuit breaker body.

[0009] Preferably, the positioning component includes a threaded hole formed on the top outer wall of the back plate body, and a threaded rod is threadedly connected inside the threaded hole. The threaded rod passes through a through hole formed on the circuit breaker body, and a limiting plate is welded to the top of the threaded rod. The limiting plate is pressed against the top of the through hole.

[0010] Preferably, a fixing post is fixedly connected to the top outer wall of the limiting plate, and a nut is fixedly connected to the top outer wall of the fixing post.

[0011] Preferably, the locking assembly includes a positioning plate fixedly connected to the top outer wall of the back plate body. A vertical plate is fixedly connected to the top outer wall of the positioning plate. A spring is fixedly connected to one side outer wall of the vertical plate. A circular plate is fixedly connected to one end of the spring. A locking pin is fixedly connected to the inner circumference of the circular plate. A locking hole is formed on the outer circumference of the fixing pin. One end of the locking pin passes through the inside of the locking hole. A circular hole is formed on one side outer wall of the vertical plate. The end of the locking pin away from the locking hole passes through the inside of the circular hole.

[0012] Preferably, a positioning part is provided on one side of the positioning plate, the cross-section of the positioning part is L-shaped, and the positioning part abuts against the outer walls of both sides of the circuit breaker body.

[0013] Preferably, a pull ring is fixedly connected to the end of the locking post away from the locking hole.

[0014] With the above structure, this utility model has the following advantages compared with the prior art: the positioning component and locking component on the back plate body realize the stable installation of the circuit breaker body. The threaded rod in the positioning component cooperates with the threaded hole and presses the circuit breaker body with the limiting plate to achieve vertical positioning. The L-shaped positioning part of the locking component realizes horizontal limiting. The two sets of diagonally distributed locking components are driven by springs to insert the locking pin into the locking hole of the fixed pin to prevent the positioning component from loosening. This ensures that the circuit breaker is firmly installed and accurately positioned in the distribution box, avoids displacement or falling off due to vibration and other factors, and ensures safe operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0017] Figure 3 This is a schematic diagram of the structure of this utility model installed inside the distribution box.

[0018] Figure 4 This is a partial structural diagram of the locking component and positioning component of this utility model.

[0019] In the diagram: 1. Backplate; 2. Circuit breaker body; 3. Positioning assembly; 301. Fixing post; 302. Nut; 303. Limiting plate; 304. Threaded rod; 4. Locking assembly; 401. Positioning plate; 402. Vertical plate; 403. Pull ring; 404. Circular plate; 405. Spring; 406. Locking post; 407. Locking hole; 5. Distribution box. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 In this embodiment of the utility model, a circuit breaker mounting backplate includes a backplate body 1, which is bolted to the inside of a distribution box 5, and further includes:

[0022] Positioning assembly 3 for fastening the circuit breaker body 2 to the top outer wall of the back plate body 1;

[0023] The locking components 4 prevent the positioning component 3 from loosening. There are two sets of locking components 4, which are diagonally distributed at both ends of the circuit breaker body 2. This diagonal distribution design can constrain the positioning component 3 from different directions, effectively preventing the threaded rod 304 from loosening due to vibration and other factors. This significantly enhances the reliability of the overall connection, avoids the problem of displacement or detachment of the circuit breaker body 2 caused by the loosening of the positioning component 3, and ensures the stable installation and safe operation of the circuit breaker in the distribution box 5.

[0024] Furthermore, the positioning component 3 includes a threaded hole on the top outer wall of the back plate body 1. A threaded rod 304 is threadedly connected inside the threaded hole. The threaded rod 304 passes through a through hole on the circuit breaker body 2. A limiting plate 303 is welded to the top of the threaded rod 304. The limiting plate 303 is pressed against the top of the through hole, so that the threaded rod 304 of the positioning component 3 passes through the through hole of the circuit breaker body 2 and is screwed into the threaded hole of the back plate body 1. By tightening the nut 302, the fixing column 301 and the limiting plate 303 are driven to press the circuit breaker body 2 downward. At this time, the threaded connection structure between the threaded rod 304 and the threaded hole can achieve the initial fastening of the circuit breaker body 2.

[0025] Furthermore, a fixing post 301 is fixedly connected to the top outer wall of the limiting plate 303, and a nut 302 is fixedly connected to the top outer wall of the fixing post 301. The pressing of the top of the through hole by the limiting plate 303 can ensure the accurate positioning of the circuit breaker body 2 in the vertical direction and prevent shaking.

[0026] Furthermore, the locking assembly 4 includes a positioning plate 401 fixedly connected to the top outer wall of the back plate 1. A vertical plate 402 is fixedly connected to the top outer wall of the positioning plate 401. A spring 405 is fixedly connected to one side outer wall of the vertical plate 402. A circular plate 404 is fixedly connected to one end of the spring 405. A locking pin 406 is fixedly connected to the inner circumference of the circular plate 404. A locking hole 407 is formed on the outer circumference of the fixing pin 401. One end of the locking pin 406 passes through the inside of the locking hole 407. A circular hole is provided on one side of the outer wall of 402. The end of the locking pin 406 away from the locking hole 407 passes through the inside of the circular hole. When the locking pin 406 moves outward against the elastic force of the spring 405, the locking pin 406 is aligned with the locking hole 407 on the fixing pin 301 and the pull ring 403 is released. The spring 405 returns to its original position and pushes the locking pin 406 into the locking hole 407, so that the locking assembly 4 and the positioning assembly 3 form a linkage locking structure, which ensures the stable installation and safe operation of the circuit breaker in the distribution box 5.

[0027] Furthermore, a positioning part is provided on one side of the positioning plate 401. The cross-section of the positioning part is L-shaped. The positioning part abuts against the outer walls of both sides of the circuit breaker body 2. Since the L-shaped positioning parts on the two sets of positioning plates 401 of the locking assembly 4 abut against the outer walls of both sides of the circuit breaker body 2, the circuit breaker body 2 can be precisely limited in the horizontal direction, thereby improving the installation accuracy.

[0028] Furthermore, a pull ring 403 is fixedly connected to the end of the locking pin 406 away from the locking hole 407, which makes it convenient for people to unlock the locking component 4.

[0029] Working principle: When it is necessary to fix the circuit breaker body 2 on the back plate 1, the circuit breaker body 2 can be placed on the top of the back plate 1 first, so that the threaded rod 304 of the positioning component 3 passes through the through hole of the circuit breaker body 2 and is screwed into the threaded hole of the back plate 1. By tightening the nut 302, the fixing column 301 and the limiting plate 303 are driven to press the circuit breaker body 2 downward. At this time, the threaded connection structure between the threaded rod 304 and the threaded hole can achieve the initial fastening of the circuit breaker body 2. The limiting plate 303 pressing the top of the through hole can ensure the accurate positioning of the circuit breaker body 2 in the vertical direction and avoid shaking. Through the fastening of the threaded connection and the pressing effect of the limiting plate 303, the circuit breaker body 2 is initially and stably fixed, ensuring the foundation of the installation is firm.

[0030] Because the L-shaped positioning parts on the two sets of positioning plates 401 of the locking assembly 4 abut against the outer walls on both sides of the circuit breaker body 2, the circuit breaker body 2 can be precisely limited in the horizontal direction, improving the installation accuracy. Then, pulling the pull ring 403 drives the locking pin 406 to move outward against the elastic force of the spring 405. After the locking pin 406 is aligned with the locking hole 407 on the fixing pin 301, the pull ring 403 is released, and the spring 405 returns to its original position, pushing the locking pin 406 into the locking hole 407. This makes the locking assembly 4 and the positioning assembly 3 form a linkage locking structure. The design of the two sets of locking assemblies 4 being diagonally distributed at both ends of the circuit breaker body 2 can constrain the positioning assembly 3 from different directions, effectively preventing the threaded rod 304 from loosening due to vibration and other factors. This significantly enhances the reliability of the overall connection and avoids the problem of displacement or falling off of the circuit breaker body 2 due to the loosening of the positioning assembly 3, ensuring the stable installation and safe operation of the circuit breaker in the distribution box 5.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention.

Claims

1. A circuit breaker mounting backplate, comprising a backplate body (1), the backplate body (1) being bolted to the interior of a distribution box (5), characterized in that, Also includes: Positioning assembly (3) for fastening the circuit breaker body (2) to the top outer wall of the back plate body (1); A locking assembly (4) is provided to prevent the positioning assembly (3) from loosening. There are two sets of locking assemblies (4), which are diagonally distributed at both ends of the circuit breaker body (2). The positioning assembly (3) includes a threaded hole on the top outer wall of the back plate body (1). A threaded rod (304) is threaded inside the threaded hole. The threaded rod (304) passes through a through hole on the circuit breaker body (2). A limiting plate (303) is welded to the top of the threaded rod (304). The limiting plate (303) is pressed against the top of the through hole. A fixing post (301) is fixedly connected to the top outer wall of the limiting plate (303). A nut (302) is fixedly connected to the top outer wall of the fixing post (301). The locking assembly... The component (4) includes a positioning plate (401) fixedly connected to the top outer wall of the back plate body (1). A vertical plate (402) is fixedly connected to the top outer wall of the positioning plate (401). A spring (405) is fixedly connected to one side outer wall of the vertical plate (402). A circular plate (404) is fixedly connected to one end of the spring (405). A locking post (406) is fixedly connected to the inner circumference of the circular plate (404). A locking hole (407) is provided on the outer circumference of the fixing post (301). One end of the locking post (406) passes through the inside of the locking hole (407). A circular hole is provided on one side outer wall of the vertical plate (402). The end of the locking post (406) away from the locking hole (407) passes through the inside of the circular hole.

2. The circuit breaker mounting backplate according to claim 1, characterized in that, A positioning part is provided on one side of the positioning plate (401). The cross-section of the positioning part is L-shaped and the positioning part abuts against the outer walls of both sides of the circuit breaker body (2).

3. A circuit breaker mounting backplate according to claim 2, characterized in that, A pull ring (403) is fixedly connected to the end of the locking pin (406) away from the locking hole (407).

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