Frame-type circuit breaker fixed side plate

By designing a frame-type circuit breaker with a fixed side plate, the problem of insufficient distance between the fixed side and the wiring point was solved, achieving electrical distance maintenance and stable connection under high voltage, thus improving the safety and practicality of the circuit breaker.

CN224458045UActive Publication Date: 2026-07-03北京国电科创电器有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
北京国电科创电器有限公司
Filing Date
2025-06-25
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing frame-type circuit breakers have insufficient distance between the fixed side and the wiring point under high voltage conditions, posing a safety hazard.

Method used

A frame-type circuit breaker fixed side plate was designed, including a side frame, support bars, plug blocks, straight plates and inclined plug plates, etc. Through threaded connections and rubber sleeves and other components, the electrical distance is maintained and the connection is stable, reducing interference under high voltage.

Benefits of technology

It reduces interference in the circuit breaker circuit under high voltage, improves the stability and safety of the device, and is easy and aesthetically pleasing to install.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224458045U_ABST
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Abstract

This application discloses a frame-type circuit breaker fixed side plate, belonging to the field of circuit breakers. It includes a circuit breaker body, a base at the bottom of the circuit breaker body, and side frames on both sides of the circuit breaker body. Two sets of support bars and two sets of plug-in blocks are provided on the outer walls of both sides of the circuit breaker body. In use, after the circuit breaker body is wired, the electrical distance between the side frames and the wiring points can be better maintained. After installation, the electrical distance between the circuit breaker body and the base can be maintained, reducing potential interference under high voltage conditions. Installation is also convenient. The support bars and plug-in blocks can cooperate with straight and angled plug-in plates. After installation, multiple sets of connecting bolts can be tightened quickly and easily, resulting in greater stability during use and improving the practicality of the device.
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Description

Technical Field

[0001] This application relates to the field of circuit breakers, and more particularly to the fixed side plate of a frame circuit breaker. Background Technology

[0002] A frame-type circuit breaker is a mechanical switching device that can connect, carry, and disconnect current under normal circuit conditions, and can also connect, carry, and disconnect current for a certain time under specified abnormal circuit conditions. It is used to distribute electrical energy and protect lines and power equipment from overload, undervoltage, short circuit, etc. This type of circuit breaker generally has a steel frame, and all components are installed inside the frame.

[0003] Existing frame-type circuit breakers require installation using a fixed side, but the distance between the fixed side and the wiring point is insufficient. Under high voltage conditions, this may affect the circuit breaker circuit and pose a safety hazard during use. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a fixed side plate for a frame-type circuit breaker, which overcomes the deficiencies of existing technologies. It aims to solve the problem that existing frame-type circuit breakers require a fixed side for installation, but the distance between the existing fixed side and the wiring point is insufficient, which may affect the circuit breaker circuit under high voltage conditions, posing a safety hazard during use.

[0005] To achieve the above objectives, this application provides the following technical solution: a fixed side plate for a frame-type circuit breaker, including a circuit breaker body, a base at the bottom of the circuit breaker body, side frames on both sides of the circuit breaker body, two sets of support bars and two sets of plug-in blocks on the outer walls of both sides of the circuit breaker body, plug-in slots at the bottom of the two sets of plug-in blocks, the two sets of plug-in blocks and the two sets of support bars being arranged intersectingly, two sets of straight plates and two sets of inclined insert plates on the top of the side frames, the inner sides of the two sets of straight plates abutting against the two sets of support bars, the tops of the two sets of inclined insert plates being inserted into the plug-in slots, multiple sets of threaded protrusions inside the side frames, multiple sets of connecting threaded holes at the bottom of the side frames, connecting bolts inside the threaded protrusions and connecting threaded holes, and the two sets of connecting bolts being threadedly connected to the circuit breaker body and the base respectively.

[0006] By adopting the above technical solution and setting the side frames, the electrical distance between the side frames on both sides and the wiring points can be better maintained after the circuit breaker body wiring is completed. After installation, the electrical distance between the circuit breaker body and the base can be maintained, which can reduce possible interference under high voltage conditions. The installation is also relatively convenient. The set support bars and plug blocks can cooperate with the straight plate and the inclined plug plate. After installation, multiple sets of connecting bolts can be tightened quickly and easily, making it more stable during use and improving the practicality of the device.

[0007] As a preferred technical solution of this application, both sets of straight plates are provided with connecting holes, and multiple sets of connecting holes are provided with connecting bolts, which are threaded through the straight plates and the support bars.

[0008] By adopting the above technical solution and setting connection holes, a tighter connection between the support bar and the straight plate can be achieved during use, which can further improve the load-bearing and fastening effect, and make it more convenient and stable during use.

[0009] As a preferred technical solution of this application, the bottom of both sets of insertion slots is provided with rubber sleeves, and the rubber sleeves abut against the top of the inclined insertion plate.

[0010] By adopting the above technical solution and setting a rubber sleeve, a tighter connection can be achieved between the inclined plate and the insertion slot during use, which has a non-slip and stable effect, making the device more stable during use and improving its practicality.

[0011] As a preferred technical solution of this application, a rubber pad is provided on one side of the two sets of support bars, the rubber pad abuts against the straight plate, and a through hole is provided inside the rubber pad.

[0012] By adopting the above technical solution and setting rubber pads, the tightness of the connection between the straight plate and the support strip can be improved during use, thus enhancing the stability of the installation.

[0013] As a preferred technical solution of this application, the multiple sets of connecting threaded holes of different sizes are arranged sequentially.

[0014] By adopting the above technical solution, multiple sets of threaded holes of different sizes can facilitate the installation of connecting bolts of different sizes, making it more convenient to use.

[0015] As a preferred technical solution of this application, the exterior of the side frame is provided with chamfers, and the size of the threaded protrusion is matched with the connecting bolt.

[0016] By adopting the above technical solution, the chamfer can further reduce the generation of burrs, facilitate the installation by workers, enhance the overall aesthetics, and match the size of the threaded protrusion with the connecting bolts. During use, it can achieve a tight connection between the side frame and the circuit breaker body, improving the practicality of the device.

[0017] The beneficial effects of this application are:

[0018] 1. By setting up side frames, the electrical distance between the side frames on both sides and the wiring points can be better maintained after the circuit breaker body wiring is completed. After installation, the electrical distance between the circuit breaker body and the base can also be maintained. This reduces possible interference under high voltage conditions and is relatively easy to install. The set support bars and plug blocks can cooperate with straight plates and angled plug plates. After installation, multiple sets of connecting bolts can be tightened quickly and easily, making it more stable during use and improving the practicality of the device.

[0019] 2. By setting connection holes, a tighter connection can be achieved between the support bar and the straight plate during use, which can further improve the load-bearing and fastening effect, making it more convenient and stable during use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this application;

[0021] Figure 2 This is a schematic diagram of the side structure of the circuit breaker body in this application;

[0022] Figure 3 This is a schematic diagram of the side frame structure of this application;

[0023] Figure 4 This is a schematic diagram of the support bar and plug-in block structure of this application.

[0024] In the diagram: 1. Circuit breaker body; 2. Side frame; 201. Straight plate; 202. Angled insert plate; 203. Threaded protrusion hole; 204. Connecting threaded hole; 205. Connecting bolt; 206. Connecting hole; 3. Base; 4. Support bar; 401. Rubber pad; 402. Through hole; 5. Plug block; 501. Plug slot; 502. Rubber sleeve. Detailed Implementation

[0025] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0026] Reference Figure 1-4 The fixed side plate of the frame-type circuit breaker includes a circuit breaker body 1. A base 3 is provided at the bottom of the circuit breaker body 1. Side frames 2 are provided on both sides of the circuit breaker body 1. Two sets of support bars 4 and two sets of plug-in blocks 5 are provided on the outer walls of both sides of the circuit breaker body 1. The bottom of the two sets of plug-in blocks 5 is provided with plug-in grooves 501. The two sets of plug-in blocks 5 and the two sets of support bars 4 are arranged intersectingly. The top of the side frames 2 is provided with two sets of straight plates 201 and two sets of inclined insert plates 202. The inner side of the two sets of straight plates 201 abuts against the two sets of support bars 4. The top of the two sets of inclined insert plates 202 are inserted into the plug-in grooves 501. Multiple sets of threaded protrusions 203 are provided inside the side frames 2. Multiple sets of connecting threaded holes 204 are provided at the bottom of the side frames 2. Connecting bolts 205 are provided inside the threaded protrusions 203 and the connecting threaded holes 204. The two sets of connecting bolts 205 are threadedly connected to the circuit breaker body 1 and the base 3 respectively. Both sets of insertion slots 501 are provided with rubber sleeves 502 at the bottom, and the rubber sleeves 502 abut against the top of the inclined insertion plate 202.

[0027] By setting the side frames 2, the electrical distance between the side frames 2 and the wiring points can be better maintained after the circuit breaker body 1 is wired. After installation, the electrical distance between the circuit breaker body 1 and the base 3 can also be maintained, reducing potential interference under high voltage conditions. Installation is also convenient. The support bars 4 and plug blocks 5 can cooperate with the straight plate 201 and the inclined plug plate 202. After installation, tightening multiple sets of connecting bolts 205 allows for quick and easy fastening, resulting in greater stability during use and improving the device's practicality. The rubber sleeve 502 ensures a tighter connection between the inclined plug plate 202 and the plug slot 501, providing anti-slip and stability, further enhancing the device's practicality.

[0028] Reference Figure 1-4Both sets of straight plates 201 have connecting holes 206 inside, and connecting bolts 205 are installed inside the multiple sets of connecting holes 206. The connecting bolts 205 pass through the straight plates 201 and threadedly connect the straight plates 201 and the support bars 4. A rubber pad 401 is provided on one side of each of the two sets of support bars 4. The rubber pad 401 abuts against the straight plates 201, and a through hole 402 is provided inside the rubber pad 401. The exterior of the side frame 2 is chamfered, and the size of the threaded protrusion 203 matches the connecting bolt 205. By providing connecting holes 206, the support bars 4 and the straight plates can be connected during use. The tighter connection between 201 further enhances the load-bearing and fastening effect, making it more convenient and stable to use. By setting rubber pads 401, the tightness of the connection between the straight plate 201 and the support bar 4 can be improved during use, thus improving the stability of the installation. The chamfered corners can further reduce the generation of burrs and facilitate the installation by the staff, resulting in a stronger overall aesthetic. The size of the threaded protrusion 203 matches the connecting bolt 205, ensuring a tight connection between the side frame 2 and the circuit breaker body 1 during use, thus improving the practicality of the device.

[0029] Reference Figure 1-4 Multiple sets of threaded holes 204 of different sizes are arranged sequentially; the different sizes of multiple sets of threaded holes 204 can facilitate the installation of connecting bolts 205 of different sizes, making it more convenient to use; the exterior of the side frame 2 is provided with chamfers, and the size of the threaded protrusions 203 matches the connecting bolts 205.

[0030] Working principle: By setting the side frame 2, the electrical distance between the side frame 2 and the wiring point can be better maintained after the circuit breaker body 1 is wired. After installation, the electrical distance between the circuit breaker body 1 and the base 3 can be maintained, which can reduce possible interference under high voltage. The installation is also convenient. The support bar 4 and the plug block 5 can cooperate with the straight plate 201 and the inclined plug plate 202. After installation, the multiple sets of connecting bolts 205 can be tightened quickly, making it more stable during use and improving the practicality of the device. By setting the connecting hole 206, a tighter connection between the support bar 4 and the straight plate 201 can be achieved during use, which can further improve the load-bearing and fastening effect, making it more convenient and stable during use.

[0031] By setting the rubber sleeve 502, a tighter connection can be achieved between the inclined insertion plate 202 and the insertion groove 501 during use, which has an anti-slip and stable effect, making it more stable during use and improving the practicality of the device. By setting the rubber pad 401, the tightness of the connection between the straight plate 201 and the support bar 4 can be improved during use, thus improving the stability of the installation.

[0032] Meanwhile, the different sizes of the multiple sets of threaded holes 204 make it easier to install connecting bolts 205 of different sizes, making it more convenient to use.

[0033] In addition, the chamfered edges further reduce burrs and facilitate installation by workers, resulting in a more aesthetically pleasing overall appearance. The size of the threaded protrusion 203 matches the connecting bolt 205, ensuring a tight connection between the side frame 2 and the circuit breaker body 1 during use, thus enhancing the practicality of the device.

[0034] The above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. Frame circuit breaker fixed side plate, comprising a circuit breaker body (1), characterized in that, The circuit breaker body (1) has a base (3) at its bottom. Side frames (2) are provided on both sides of the circuit breaker body (1). Two sets of support bars (4) and two sets of plug-in blocks (5) are provided on the outer walls of both sides of the circuit breaker body (1). Plug-in slots (501) are provided at the bottom of each of the two sets of plug-in blocks (5). The two sets of plug-in blocks (5) and the two sets of support bars (4) are arranged in a crisscross pattern. Two sets of straight plates (201) and two sets of inclined insert plates (202) are provided on the top of the side frames (2). The inner surfaces of the two sets of straight plates (201)... The side abuts against the two sets of support bars (4), and the tops of the two sets of inclined plates (202) are inserted into the inside of the insertion slot (501). The inside of the side frame (2) is provided with multiple sets of threaded protrusions (203), and the bottom of the side frame (2) is provided with multiple sets of connecting threaded holes (204). The inside of the threaded protrusions (203) and the connecting threaded holes (204) is provided with connecting bolts (205), and the two sets of connecting bolts (205) are threadedly connected to the circuit breaker body (1) and the base (3) respectively.

2. The frame-type circuit breaker fixed side plate of claim 1, wherein, Both sets of straight plates (201) have connecting holes (206) inside, and multiple sets of connecting holes (206) are provided with connecting bolts (205). The connecting bolts (205) are threaded through the straight plate (201) and the support bar (4).

3. The frame circuit breaker dead front plate of claim 1, wherein, Both sets of the insertion slots (501) are provided with rubber sleeves (502) at the bottom, and the rubber sleeves (502) abut against the top of the inclined insertion plate (202).

4. The frame circuit breaker dead front plate of claim 1, wherein, A rubber pad (401) is provided on one side of each of the two sets of support bars (4), and the rubber pad (401) abuts against the straight plate (201). A through hole (402) is provided inside the rubber pad (401).

5. The frame circuit breaker dead front plate of claim 1, wherein, The multiple sets of connecting threaded holes (204) are arranged in sequence with different sizes.

6. The frame circuit breaker dead front plate of claim 1, wherein, The exterior of the side frame (2) is provided with chamfers, and the size of the threaded protrusion (203) matches the size of the connecting bolt (205).