Wiring protection cover of plug-in circuit breaker

Abstract

The utility model discloses a wiring protection cover of a plug-in circuit breaker, and relates to the technical field of basic electrical elements. A wiring protective cover of a plug-in circuit breaker comprises a circuit breaker body, a protective cover assembly, a wiring terminal and a shell, the protective cover assembly is composed of a cover plate, an insulating partition plate and an operating handle, the cover plate is provided with a screw hole, and the outer wall of the lower end of the upper cover plate of the protective cover assembly is provided with a screw positioning block. The protective cover assembly is rapidly clamped on the left side of the circuit breaker main body through the installation positioning columns on the two sides of the cover plate, preliminary positioning is completed, the screw positioning block at the upper end of the protective cover assembly is aligned with a wiring screw of the wiring terminal, and the screw penetrates through the screw hole to be screwed with the wiring screw in a matched mode. Therefore, the protective cover assembly is simple and fast to mount, the mounting and dismounting efficiency of the protective cover assembly is effectively improved, and the workload of workers is reduced at the same time.

Description

Technical Field

[0001] This utility model relates to the field of basic electrical components technology, and in particular to a wiring protection cover for a plug-in circuit breaker. Background Technology

[0002] In modern power systems, plug-in circuit breakers are used extensively in various industrial, commercial and civil electrical installations as key equipment to ensure the safe operation of circuits. With the widespread use and continuous upgrading of electrical equipment, the requirements for its safety, stability and reliability are becoming increasingly stringent. As a key connection point for current transmission, the wiring part of the plug-in circuit breaker must not only ensure the stability of the electrical connection, but also effectively prevent electrical insulation failure and creepage between different electrodes in complex working environments.

[0003] Although there are various protective covers available on the market for the wiring parts of plug-in circuit breakers, the installation of these covers often requires tedious bolt tightening operations using tools such as screwdrivers. This not only involves complex installation steps, consuming a lot of time and manpower, but also presents significant challenges for non-professionals. Furthermore, disassembling these protective covers is equally difficult when the circuit breaker needs inspection or maintenance. Frequent disassembly and installation can easily damage the threads on the protective cover or the circuit breaker housing, affecting the service life of the equipment. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a wiring protection cover for a plug-in circuit breaker. This solves the problem that during the installation of the cover, it is often necessary to use tools such as screwdrivers to perform tedious bolt tightening operations. Not only are the installation steps complicated and time-consuming, but the operation is also difficult for non-professionals. When it is necessary to inspect or maintain the circuit breaker, it is also difficult to disassemble these protective covers. Frequent disassembly and installation processes can also easily damage the threads on the protective cover or the circuit breaker housing, affecting the service life of the equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wiring protection cover for a plug-in circuit breaker, comprising a circuit breaker body, a cover assembly, wiring terminals, and a housing, wherein the cover assembly consists of a cover plate, an insulating partition, and an operating handle, and the cover plate is provided with screw holes;

[0006] Among them, a screw positioning block is installed on the lower outer wall of the cover plate of the cover assembly.

[0007] Preferably, the screw positioning groove on the screw positioning block is positioned opposite to the screw hole.

[0008] The operating handle is tilted on the cover assembly, and the insulating partition is located at the lower end of the cover assembly.

[0009] Preferably, the circuit breaker body has wiring terminals installed inside, and mounting positioning posts are fixedly connected to both outer walls of the cover plate. The cover assembly is snapped onto the left side of the circuit breaker body by the mounting positioning posts.

[0010] The upper end of the cover assembly is fitted onto the wiring screw on the terminal block by means of a screw positioning block and a screw hole.

[0011] Preferably, the insulating partition and the lower end of the cover assembly cooperate to form a wire placement groove, and a housing is installed on one side of the circuit breaker body;

[0012] Guide grooves are provided on both sides of the outer wall of the insulating partition.

[0013] Preferably, the insulating partition is provided with a pressure block inside, and a fixed slider is fixedly connected to both outer walls of the pressure block. The fixed slider is "T" shaped.

[0014] The outer walls of the two fixed sliders are slidably connected to the interior of the corresponding guide grooves.

[0015] Preferably, the outer walls of both fixed sliders are threaded with two fixing bolts;

[0016] The ends of the two fixing bolts near the insulating partition are both threaded to the outside of the fixing slider and are in contact with the outer wall of the insulating partition.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The wiring protection cover of this plug-in circuit breaker can be quickly snapped onto the left side of the circuit breaker body via the mounting positioning posts on both sides of the cover assembly, completing the initial positioning. Align the screw positioning block at the upper end of the cover assembly with the wiring screw of the terminal block, and tighten the screw through the screw hole to secure the cover assembly to the wiring part. This simple and quick installation of the cover assembly effectively improves the efficiency of installation and removal of the cover assembly, while reducing the workload of the staff. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of the circuit breaker body of this utility model;

[0022] Figure 3 This is a schematic diagram of the external structure of the cover assembly of this utility model;

[0023] Figure 4 This is a schematic diagram of the external structure of the pressure block of this utility model;

[0024] Figure 5 This is a structural schematic diagram of the front view of the cover assembly of this utility model;

[0025] Figure 6 This is a structural schematic diagram of the left view of the cover assembly of this utility model.

[0026] Reference numerals in the attached drawings: 1. Circuit breaker body; 2. Cover assembly; 3. Terminal block; 4. Housing; 5. Cover plate; 6. Screw hole; 7. Mounting positioning post; 8. Guide groove; 9. Fixing slider; 10. Fixing bolt; 11. Pressure block; 12. Insulating partition; 13. Operating handle; 14. Screw positioning block; 15. Wire placement groove. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequential relationship of the indicated technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Please see Figure 1-4 This utility model provides a technical solution: a wiring protection cover for a plug-in circuit breaker, comprising a circuit breaker body 1, a cover assembly 2, wiring terminals 3, and a housing 4;

[0032] The cover assembly 2 consists of a cover plate 5, an insulating partition 12, and an operating handle 13. The cover plate 5 has screw holes 6. A screw positioning block 14 is installed on the lower outer wall of the cover plate 5 of the cover assembly 2. The screw positioning groove on the screw positioning block 14 is opposite to the screw hole 6. The operating handle 13 is inclined on the cover assembly 2. The insulating partition 12 is located at the lower end of the cover assembly 2. A terminal block 3 is installed inside the circuit breaker body 1. Mounting positioning posts 7 are fixedly connected to both outer walls of the cover plate 5. The cover assembly 2 is snapped onto the left side of the circuit breaker body 1 via the mounting positioning posts 7. The upper end of the cover assembly 2 is fitted onto the terminal block 3 via the screw positioning block 14 engaging with the screw hole 6. On the wiring screw, the insulating partition 12 and the lower end of the cover assembly 2 cooperate to form a wire placement groove 15. The outer shell 4 is installed on one side of the circuit breaker body 1. Guide grooves 8 are opened on both sides of the outer wall of the insulating partition 12. A pressure block 11 is provided inside the insulating partition 12. Fixed sliders 9 are fixedly connected to both sides of the outer wall of the pressure block 11. The fixed sliders 9 are "T" shaped. The outer walls of the two fixed sliders 9 are slidably connected to the interior of the corresponding guide grooves 8. Two fixing bolts 10 are threadedly connected to the outer walls of the two fixed sliders 9. The ends of the two fixing bolts 10 near the insulating partition 12 are threaded to the outside of the fixed sliders 9 and are in contact with the outer wall of the insulating partition 12.

[0033] Furthermore, when using this device, the cover assembly 2 is quickly snapped onto the left side of the circuit breaker body 1 via the mounting positioning posts 7 on both sides of the cover plate 5, completing the initial positioning. The screw positioning block 14 at the upper end of the cover assembly 2 is aligned with the wiring screw of the terminal 3. The screw passes through the screw hole 6 and engages with the wiring screw to tighten it, ensuring the cover assembly 2 is securely fitted onto the wiring location. The wire is placed into the wire placement groove 15 formed by the insulating partition 12 and the cover plate 5, ensuring the wire is in the designated area. The fixing slider 9 of the sliding pressure block 11 is adjusted along the guide groove 8 to adjust the position of the pressure block 11. By tightening the fixing bolt 10, the pressure block 11 presses the wire firmly, preventing loosening. The user can open and close the cover assembly 2 via the operating handle 13 for easy wiring operations or maintenance. The cover assembly 2, especially the insulating partition 12, isolates the external environment, preventing the terminal 3 from being exposed, avoiding the risk of electric shock and foreign object intrusion, and ensuring electrical safety.

[0034] The cover assembly 2 is quickly snapped onto the left side of the circuit breaker body 1 via the mounting positioning posts 7 on both sides of the cover plate 5, completing the initial positioning. The screw positioning block 14 at the upper end of the cover assembly 2 is aligned with the wiring screw of the terminal 3. The screw passes through the screw hole 6 and engages with the wiring screw to tighten it, so that the cover assembly 2 is securely fitted onto the wiring part. This method of installing the cover assembly 2 is simple and quick, effectively improving the efficiency of installation and disassembly of the cover assembly 2, while reducing the workload of the staff.

[0035] Structural Description: Circuit Breaker Body 1: As the core component, it has internal wiring terminals 3 and a housing 4 on one side, providing basic support and circuit connection functions for the circuit breaker;

[0036] Cover assembly 2: It consists of cover plate 5, insulating partition 12 and operating handle 13. It is installed on the left side of circuit breaker body 1 by mounting positioning post 7 to protect the wiring part.

[0037] Terminal 3: Located inside the circuit breaker body 1, it is used to connect wires and is a key component for circuit connection;

[0038] Housing 4: Installed on one side of the circuit breaker body 1 to help protect the internal structure and enhance the overall integrity of the equipment;

[0039] Cover plate 5: Screw holes 6 are provided on the top, which cooperate with screw positioning blocks 14 to fix the wiring screws on the terminal block 3. Positioning posts 7 are fixedly installed on both sides for locking and positioning with the circuit breaker body 1.

[0040] Insulating partition 12: Located at the lower end of the cover assembly 2, it cooperates with the cover plate 5 to form a wire placement groove 15, providing space for wire placement. Guide grooves 8 are opened on both sides, and pressure blocks 11 are set inside to fix the wires.

[0041] Operating handle 13: It is installed at an angle on the cover assembly 2 to facilitate the user's operation of opening and closing the cover;

[0042] Pressure block 11: T-shaped fixed sliders 9 are fixed on both sides and are slidably connected to the guide grooves 8 of the insulating partition 12. The position of the fixed sliders 9 is adjusted by the fixing bolts 10 to achieve the pressing and fixing of the wire.

[0043] Screw positioning block 14: Installed at the lower end of cover plate 5, its screw positioning groove corresponds to screw hole 6 to ensure that wiring screws pass through and are fixed.

[0044] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A wiring protection cover for a plug-in circuit breaker, comprising a circuit breaker body (1), a cover assembly (2), wiring terminals (3), and a housing (4), characterized in that: The cover assembly (2) consists of a cover plate (5), an insulating partition (12) and an operating handle (13), and the cover plate (5) has screw holes (6). Among them, the lower outer wall of the cover plate (5) of the cover assembly (2) is equipped with a screw positioning block (14).

2. The wiring protection cover for a plug-in circuit breaker according to claim 1, characterized in that: The screw positioning groove provided on the screw positioning block (14) is positioned opposite to the screw hole (6); The operating handle (13) is tilted on the cover assembly (2), and the insulating partition (12) is located at the lower end of the cover assembly (2).

3. The wiring protection cover for a plug-in circuit breaker according to claim 1, characterized in that: The circuit breaker body (1) is equipped with wiring terminals (3) inside, and the outer walls of both sides of the cover plate (5) are fixedly connected with mounting positioning posts (7). The cover assembly (2) is snapped onto the left side of the circuit breaker body (1) by the mounting positioning posts (7). The upper end of the cover assembly (2) is fitted onto the wiring screw on the terminal block (3) through the screw positioning block (14) and the screw hole (6).

4. The wiring protection cover for a plug-in circuit breaker according to claim 1, characterized in that: The insulating partition (12) and the lower end of the cover assembly (2) cooperate to form a wire placement groove (15), and a housing (4) is installed on one side of the circuit breaker body (1). Among them, guide grooves (8) are provided on both sides of the outer wall of the insulating partition (12).

5. The wiring protection cover for a plug-in circuit breaker according to claim 1, characterized in that: The insulating partition (12) is provided with a pressure block (11) inside. Both sides of the outer wall of the pressure block (11) are fixedly connected with a fixed slider (9). The fixed slider (9) is "T" shaped. The outer walls of the two fixed sliders (9) are slidably connected to the interior of the corresponding guide grooves (8).

6. The wiring protection cover for a plug-in circuit breaker according to claim 5, characterized in that: The outer walls of the two fixed sliders (9) are each threaded with two fixing bolts (10); Among them, the ends of the two fixing bolts (10) near the insulating partition (12) are threaded to the outside of the fixing slider (9) and are in contact with the outer wall of the insulating partition (12).

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