An AC circuit breaker for installation in a cabinet

Abstract

This utility model relates to the field of AC circuit breaker technology, and more particularly to an easy-to-install cabinet AC circuit breaker, comprising a circuit breaker body, on which rotating discs are symmetrically mounted, and on which locking hooks are integrally formed. Two adjacent locking hooks are movably abutted, and two adjacent circuit breaker bodies are provided with locking mechanisms for locking the two circuit breaker bodies. This utility model first rotates one adjusting disc so that its indicator arrow points horizontally, then rotates the other adjusting disc so that its indicator arrow points horizontally, then pulls the two adjusting discs in opposite directions to move them away from each other, causing the two locking hooks to abut. Finally, the locking pin is inserted into the locking hole to lock the two adjacent circuit breaker bodies. Thus, only the mounting holes on the left and right sides of the three connected circuit breaker bodies need to be screwed in for fixing, thereby reducing installation steps and time.

Description

Technical Field

[0001] This utility model relates to the field of AC circuit breaker technology, and in particular to an easy-to-install cabinet AC circuit breaker. Background Technology

[0002] A circuit breaker is a switching device that can close, carry, and interrupt current under normal circuit conditions and close, carry, and interrupt current under abnormal circuit conditions within a specified time. Circuit breakers are classified into high-voltage circuit breakers and low-voltage circuit breakers according to their application range. The boundary between high and low voltage is relatively blurred. Generally, circuit breakers above 3kV are referred to as high-voltage electrical appliances.

[0003] When installing existing AC circuit breakers into electrical cabinets, they are usually fixed in place with bolts. However, there is a lack of interlocking components between adjacent AC circuit breakers. As a result, when installing three or more AC circuit breakers, each one must be tightly aligned and each circuit breaker must be screwed in with enough bolts, which undoubtedly increases the installation process and time. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the prior art where two adjacent AC circuit breakers lack interlocking components, requiring each AC circuit breaker to be screwed in with enough bolts for installation, thus increasing the installation process. The invention proposes an AC circuit breaker that is easy to install inside the cabinet.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An easy-to-install cabinet AC circuit breaker includes a circuit breaker body, with rotating discs symmetrically installed at both ends of the circuit breaker body. Each rotating disc has an integrally formed locking hook. Two adjacent locking hooks are movably abutted against each other. Two adjacent circuit breaker bodies are provided with a locking mechanism for locking the two circuit breaker bodies.

[0007] Preferably, the circuit breaker body has symmetrically arranged installation chambers at both ends, and one of the installation chambers is movably fitted with a dust cover.

[0008] Preferably, the locking mechanism includes a transverse slide groove extending through the installation chamber, a push slide rod slidably mounted on the transverse slide groove, a rotating shaft rotatably mounted on the push slide rod, a rotating disc fixedly connected to one end of the rotating shaft in the installation chamber, an adjusting disc fixedly mounted at the other end of the rotating shaft, and locking blocks provided on two adjacent adjusting discs.

[0009] Preferably, the adjusting disc has a locking hole, and the locking block is integrally formed with a locking pin that is slidably connected to the locking hole.

[0010] Preferably, the adjusting disc is integrally formed with an indicator arrow, and the direction indicated by the indicator arrow is consistent with the direction of the locking hook.

[0011] Preferably, the lower end of the circuit breaker body is fixedly installed with a mounting plate hole, and the circuit breaker body is fixedly installed through the mounting plate hole and bolts.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] This invention first rotates one of the adjusting discs so that its indicator arrow points horizontally, then rotates the other adjusting disc so that its indicator arrow points horizontally. Next, the two adjusting discs are pulled in opposite directions to move away from each other, causing the two locking hooks to abut. Finally, the locking pin of the locking block is inserted into the locking hole of the adjusting disc to lock the two adjacent circuit breaker bodies. This allows for fixed installation by simply screwing screws into the mounting holes on the left and right sides of the three connected circuit breaker bodies, reducing installation steps and time. Attached Figure Description

[0014] Figure 1 This utility model provides a structural schematic diagram of an AC circuit breaker for easy installation inside a cabinet.

[0015] Figure 2 This is a front sectional view of an AC circuit breaker in a cabinet that is easy to install, as proposed in this utility model.

[0016] Figure 3 In this utility model Figure 2 Enlarged schematic diagram of part A;

[0017] Figure 4 This is a rear view schematic diagram of an AC circuit breaker in a cabinet that is easy to install, as proposed in this utility model.

[0018] Figure 5 In this utility model Figure 4 Enlarged diagram of part B;

[0019] Figure 6 In this utility model Figure 4 Enlarged schematic diagram of part C.

[0020] In the diagram: 1. Circuit breaker body; 2. Rotating disc; 3. Locking hook; 4. Installation chamber; 5. Dustproof cover; 6. Horizontal slide rail; 7. Push slide rod; 8. Rotating shaft; 9. Adjusting disc; 10. Locking block; 11. Locking hole; 12. Locking post; 13. Indicator arrow; 14. Hanging plate hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-6 An easy-to-install cabinet AC circuit breaker includes a circuit breaker body 1. A rotating disc 2 is symmetrically installed on both ends of the circuit breaker body 1. The rotating disc 2 is integrally formed with a locking hook 3. Two adjacent locking hooks 3 move against each other to allow two adjacent circuit breaker bodies 1 to be initially connected. The two adjacent circuit breaker bodies 1 are provided with a locking mechanism for locking the two circuit breaker bodies 1. The lower end of the circuit breaker body 1 is fixedly installed with a mounting plate hole 14. Thus, only one bolt needs to be screwed into the mounting plate hole 14 on each of the three connected circuit breaker bodies 1 on the left and right sides for fixed installation, so as to reduce the installation process and time.

[0023] Preferably, a circuit breaker body 1 has symmetrically arranged installation chambers 4 at its left and right ends. Among them, the installation chambers 4 far away from the adjacent parts of the two circuit breaker bodies 1 are movably installed with dustproof covers 5, and the dustproof covers 5 prevent external dust from entering.

[0024] The locking mechanism includes a transverse slide 6 that runs through the installation chamber 4. A push slide rod 7 is slidably mounted on the transverse slide 6 and is limited and guided by the transverse slide 6. A rotating shaft 8 is rotatably mounted on the push slide rod 7. A rotating disc 2 is fixedly connected to one end of the rotating shaft 8 in the installation chamber 4. An adjusting disc 9 is fixedly mounted on the other end of the rotating shaft 8. The direction of the locking hook 3 is adjusted by rotating the adjusting disc 9. Locking blocks 10 are provided on two adjacent adjusting discs 9.

[0025] Preferably, when locking two adjacent circuit breaker bodies 1, since the adjusting disc 9 is integrally formed with an indicator arrow 13, the direction of the indicator arrow 13 is consistent with the direction of the locking hook 3, and one indicator arrow 13 is positioned below the other indicator arrow 13, so that one locking hook 3 is positioned below the other locking hook 3, then the two adjusting discs 9 are pulled to move away from each other, so that the two locking hooks 3 abut against each other. At the same time, since the adjusting disc 9 is provided with a locking hole 11, the locking block 10 is integrally formed with a locking pin 12 that is slidably connected to the locking hole 11. Finally, the locking pin 12 of the locking block 10 is placed into the locking hole 11 of the adjusting disc 9 to lock the two adjacent circuit breaker bodies 1.

[0026] The functional principle of this utility model can be explained through the following operation methods:

[0027] When locking the two circuit breaker bodies 1, first rotate one of the adjustment discs 9 so that the indicator arrow 13 of the adjustment disc 9 points to the horizontal direction, then rotate the other adjustment disc 9 so that the indicator arrow 13 of the adjustment disc 9 points to the horizontal direction, then pull the two adjustment discs 9 to move away from each other in opposite directions so that the two locking hooks 3 abut against each other, and finally put the locking pin 12 of the locking block 10 into the locking hole 11 of the adjustment disc 9 to lock the two adjacent circuit breaker bodies 1.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An AC circuit breaker for installation in a cabinet, comprising a circuit breaker body (1), characterized in that, A rotating disc (2) is symmetrically installed on both the left and right ends of a circuit breaker body (1). The rotating disc (2) is integrally formed with a locking hook (3). Two adjacent locking hooks (3) move against each other. Two adjacent circuit breaker bodies (1) are provided with a locking mechanism for locking the two circuit breaker bodies (1).

2. An AC circuit breaker for installation in a cabinet according to claim 1, characterized in that The circuit breaker body (1) has symmetrically opened installation chambers (4) at both ends, and a dust cover (5) is movably installed in one of the installation chambers (4).

3. An AC circuit breaker for installation in a cabinet according to claim 1, wherein The locking mechanism includes a transverse slide groove (6) that runs through the installation chamber (4). A push slide rod (7) is slidably installed in the transverse slide groove (6). A rotating shaft (8) is rotatably installed on the push slide rod (7). A rotating disc (2) is fixedly connected to one end of the rotating shaft (8) in the installation chamber (4). An adjusting disc (9) is fixedly installed at the other end of the rotating shaft (8). Locking blocks (10) are provided on two adjacent adjusting discs (9).

4. An AC circuit breaker for installation in a cabinet according to claim 3, wherein The adjusting disc (9) has a locking hole (11), and the locking block (10) is integrally formed with a locking post (12) that is slidably connected to the locking hole (11).

5. The cabinet-mounted AC circuit breaker for easy installation according to claim 3, characterized in that, The adjusting disc (9) is integrally formed with an indicator arrow (13), and the direction indicated by the indicator arrow (13) is consistent with the direction of the locking hook (3).

6. An AC circuit breaker for installation in a cabinet according to claim 3, wherein The circuit breaker body (1) has a mounting plate hole (14) fixedly installed at the lower end, and the circuit breaker body (1) is fixedly installed through the mounting plate hole (14) and bolts.

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