Leakage protection circuit breaker convenient to install and fix

Abstract

The leakage protection circuit breaker convenient to install and fix comprises a side plate and a circuit breaker body, the side wall of the right side of the side plate is connected with a cover body through bolts, the left side and the right side of the cover body are open, the left side of the side plate is connected with a box body through bolts, and the box body is connected with a box cover through bolts. The right side of the box body penetrates through the side plate and extends into the cover body, a U-shaped plate is attached to the right side of the box body, the top and the bottom of the U-shaped plate are slidably connected to the top and the bottom of an inner cavity of the cover body respectively, the left side of the circuit breaker body is movably connected to the side wall of the right side of the U-shaped plate, and a plurality of evenly-distributed threading holes are formed in the top and the bottom of the cover body. According to the technical scheme, through mutual cooperation of the inserting groove, the L-shaped inserting plate, the U-shaped plate, the butt joint column, the movable block and other components, the device can be effectively and conveniently installed and fixed, so that the device can be conveniently maintained and replaced, and the use efficiency and the installation efficiency of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage protection circuit breakers, in particular to a leakage protection circuit breaker which is easy to install and fix. Background Art

[0002] The leakage protection circuit breaker is composed of a zero-sequence current transformer and a leakage release circuit breaker with overload and short-circuit protection. It has three protection functions: leakage, short circuit and overload. It is characterized by being unaffected by voltage fluctuations, strong anti-interference ability, and no need for auxiliary working power supply. The plastic shell refers to a plastic insulator used as the shell of the device to isolate the conductors and the grounded metal parts. For example, a molded shell leakage circuit breaker disclosed in patent No. 202122393104.1 drives the fastening plate to clamp and fix the leakage circuit breaker body by rotating the screw to prevent the leakage circuit breaker body from shaking during operation, and will not cause damage to the leakage circuit breaker body due to shaking, thereby preventing safety hazards to the leakage circuit breaker body. Then, a connecting shell is hinged on the outer wall of the mounting base to isolate and protect the leakage circuit breaker body, prevent dust from forming on the leakage circuit breaker body, and protect it. It has a simple structure, is easy to install, and can provide safety protection.

[0003] However, the above structure cannot be effectively and conveniently installed and fixed during use, so it cannot be conveniently repaired and replaced, which reduces its use efficiency and installation efficiency. Therefore, we propose a leakage protection circuit breaker that is easy to install and fix. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a leakage protection circuit breaker that is easy to install and fix, and can be effectively and conveniently installed and fixed, so that it can be conveniently repaired and replaced, thereby improving its use efficiency and installation efficiency.

[0005] To achieve the above-mentioned purpose, a leakage protection circuit breaker that is easy to install and fix is ​​provided, comprising: a side plate and a circuit breaker body, the right side wall of the side plate is connected to a cover body by bolts, and the left and right sides of the cover body are both opened, the left side of the side plate is connected to a box body by bolts, and the right side of the box body penetrates the side plate and extends to the cover body to fit a U-shaped plate, and the top and bottom of the U-shaped plate are respectively slidably connected to the top and bottom of the inner cavity of the cover body, the left side of the circuit breaker body is movably connected to the right side wall of the U-shaped plate, and a plurality of evenly distributed threading holes are opened on the top and bottom of the cover body.

[0006] According to the leakage protection circuit breaker that is easy to install and fix, a movable block is slidably connected in the box body, and a docking column is connected to the right side wall of the movable block by bolts, a through hole is opened on the right side of the box body, and the right end of the docking column passes through the through hole and is connected to the left side wall of the U-shaped plate by bolts, and a buffer spring is connected between the left side of the movable block and the right inner wall of the box body.

[0007] According to the leakage protection circuit breaker that is easy to install and fix, the left side of the circuit breaker body is connected with an L-shaped plug plate by bolts, and the right side wall of the U-shaped plate is connected with a plug slot matching the L-shaped plug plate by bolts.

[0008] According to the leakage protection circuit breaker that is easy to install and fix, the left side wall of the side plate is fitted with moving blocks near the top and bottom, and the side of the moving block opposite to the box body is connected with a translation plate by bolts, the side of the translation plate away from the moving block is slidably connected to the box body, the top and bottom of the moving block are connected with a mounting plate near the left side by bolts, and a mounting hole is opened on the mounting plate.

[0009] According to the leakage protection circuit breaker that is easy to install and fix, the right side wall of the side plate is provided with a T-shaped screw through a threaded hole near the top and the bottom, and the left end of the T-shaped screw is movably connected to the right side wall of the moving block through a bearing.

[0010] According to the leakage protection circuit breaker that is easy to install and fix, a cover plate is attached to the right side of the box body, and a bonding plate is connected to the left side of the cover plate near the top by bolts, and a fastening screw is connected between the bonding plate and the top of the cover body.

[0011] According to the leakage protection circuit breaker that is easy to install and fix, the top and bottom of the U-shaped plate near the left side are connected to sliding blocks by bolts, and the side of the sliding block away from the U-shaped plate is slidably connected to the top and bottom of the inner cavity of the cover body.

[0012] The above scheme has at least one of the following beneficial effects: the technical scheme enables effective and convenient installation and fixation through the mutual cooperation between components such as the plug-in slot, L-shaped plug-in plate, U-shaped plate, docking column and movable block, so that it can be conveniently repaired and replaced, thereby improving its use efficiency and installation efficiency.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a main perspective view of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the cross-section structure in;

[0017] Figure 3 for Figure 1 A in the enlarged view;

[0018] Figure 4 for Figure 1 A partial three-dimensional view of the middle box body, U-shaped plate and other components.

[0019] Legend:

[0020] 1. Side plate; 2. T-shaped screw; 3. Cover; 4. Cover plate; 5. Cover plate; 6. Threading hole; 7. Moving block; 8. Translation plate; 9. Box body; 10. Mounting plate; 11. Mounting hole; 12. Movable block; 13. Buffer spring; 14. Docking column; 15. Sliding block; 16. U-shaped plate; 17. Circuit breaker body; 18. Plug-in slot; 19. L-shaped plug-in plate; 20. Fastening screw. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1 to 4 The utility model embodiment is a leakage protection circuit breaker that is easy to install and fix, which includes: a side plate 1 and a circuit breaker body 17, the right side wall of the side plate 1 is connected to a cover body 3 by bolts, and the left and right sides of the cover body 3 are both opened, the left side of the side plate 1 is connected to a box body 9 by bolts, and the right side of the box body 9 penetrates the side plate 1 and extends to the cover body 3 to be fitted with a U-shaped plate 16, and the top and bottom of the U-shaped plate 16 are respectively slidably connected to the top and bottom of the inner cavity of the cover body 3, and the right side of the box body 9 is fitted with a cover plate 4 , and the left side of the cover plate 4 is connected to a fitting plate 5 by bolts near the top, a fastening screw 20 is connected between the fitting plate 5 and the top of the cover body 3, the left side of the circuit breaker body 17 is movably connected to the right side wall of the U-shaped plate 16, a plurality of evenly distributed threading holes 6 are provided on the top and bottom of the cover body 3, the top and bottom of the U-shaped plate 16 are connected to a sliding block 15 by bolts near the left side, and the side of the sliding block 15 away from the U-shaped plate 16 is slidably connected to the top and bottom of the inner cavity of the cover body 3.

[0023] A movable block 12 is slidably connected in the box body 9, and a docking column 14 is bolted to the right side wall of the movable block 12, a through hole is opened on the right side of the box body 9, and the right end of the docking column 14 passes through the through hole and is bolted to the left side wall of the U-shaped plate 16, a buffer spring 13 is connected between the left side of the movable block 12 and the right inner wall of the box body 9, an L-shaped plug plate 19 is bolted to the left side of the circuit breaker body 17, and a plug-in slot 18 matching the L-shaped plug plate 19 is bolted to the right side wall of the U-shaped plate 16. Through this structure, it can be effectively and conveniently installed and fixed, so that it can be conveniently repaired and replaced, and its use efficiency and installation efficiency are improved.

[0024] The left side wall of the side plate 1 is fitted with a moving block 7 near the top and bottom, and the side of the moving block 7 opposite to the box body 9 is connected with a translation plate 8 by bolts, and the translation plate 8 is slidably connected to the box body 9 on the side away from the moving block 7. The top and bottom of the moving block 7 are connected with a mounting plate 10 near the left side by bolts, and the mounting plate 10 is provided with a mounting hole 11. The right side wall of the side plate 1 is sleeved with a T-shaped screw 2 through a threaded hole near the top and bottom, and the left end of the T-shaped screw 2 is movably connected to the right side wall of the moving block 7 through a bearing. Through this structure, the position of the moving block 7 and the mounting plate 10 can be adjusted, so that it can adapt to installation in different environments.

[0025] Working principle: When using this technical solution, first turn the T-shaped screw 2 clockwise or counterclockwise to move the mounting plate 10 and the translation plate 8 left and right, so as to adjust the position of the moving block 7 and the mounting plate 10 so that it can adapt to the installation in different environments. Then install it at the required position through the mounting hole 11, remove the fastening screw 20 and the cover plate 4, pull the plug-in slot 18 so that the U-shaped plate 16 and the docking column 14 drive the movable block 12 to slide to the right in the box body 9, and stretch the buffer spring 13, so that The U-shaped plate 16 and the plug-in slot 18 are moved out of the cover body 3. At this time, the buffer spring 13 is in a stretched state. The L-shaped plug-in plate 19 on the circuit breaker body 17 is inserted into the plug-in slot 18, and the circuit breaker body 17 is loosened. Under the elastic force of the buffer spring 13, the circuit breaker body 17 is moved into the cover body 3, the cover plate 4 is closed and the fastening screw 20 is tightened to fix it, so that it can be effectively and conveniently installed and fixed, so that it can be conveniently repaired and replaced, and its use efficiency and installation efficiency are improved.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A leakage protection circuit breaker that is easy to install and fix, characterized in that: include: A side plate (1) and a circuit breaker body (17), wherein the right side wall of the side plate (1) is connected to a cover body (3) by bolts, and both left and right sides of the cover body (3) are provided with openings, the left side of the side plate (1) is connected to a box body (9) by bolts, and the right side of the box body (9) penetrates the side plate (1) and extends into the cover body (3) to be fitted with a U-shaped plate (16), and the top and bottom of the U-shaped plate (16) are respectively slidably connected to the top and bottom of the inner cavity of the cover body (3), the left side of the circuit breaker body (17) is movably connected to the right side wall of the U-shaped plate (16), and a plurality of evenly distributed threading holes (6) are provided on the top and bottom of the cover body (3).

2. A leakage protection circuit breaker that is easy to install and fix according to claim 1, characterized in that: A movable block (12) is slidably connected inside the box body (9), and a docking column (14) is connected to the right side wall of the movable block (12) by means of bolts. A through hole is opened on the right side of the box body (9), and the right end of the docking column (14) passes through the through hole and is connected to the left side wall of the U-shaped plate (16) by means of bolts. A buffer spring (13) is connected between the left side of the movable block (12) and the right inner wall of the box body (9).

3. The leakage protection circuit breaker that is easy to install and fix according to claim 1 is characterized in that: The left side of the circuit breaker body (17) is connected to an L-shaped plug plate (19) by bolts, and the right side wall of the U-shaped plate (16) is connected to an inserting groove (18) matching the L-shaped plug plate (19) by bolts.

4. The leakage protection circuit breaker that is easy to install and fix according to claim 1 is characterized in that: The left side wall of the side plate (1) is fitted with a moving block (7) near the top and bottom, and the side of the moving block (7) opposite to the box body (9) is connected to a translation plate (8) by bolts, and the side of the translation plate (8) away from the moving block (7) is slidably connected to the box body (9), and the top and bottom of the moving block (7) near the left side are connected to a mounting plate (10) by bolts, and a mounting hole (11) is opened on the mounting plate (10).

5. The leakage protection circuit breaker that is easy to install and fix according to claim 1 is characterized in that: The right side wall of the side plate (1) is provided with a T-shaped screw rod (2) through a threaded hole near the top and the bottom, and the left end of the T-shaped screw rod (2) is movably connected to the right side wall of the moving block (7) through a bearing.

6. The leakage protection circuit breaker that is easy to install and fix according to claim 1, characterized in that: The right side of the box body (9) is fitted with a cover plate (4), and the left side of the cover plate (4) near the top is connected with a fitting plate (5) by bolts, and a fastening screw (20) is connected between the fitting plate (5) and the top of the cover body (3).

7. The leakage protection circuit breaker that is easy to install and fix according to claim 1 is characterized in that: The top and bottom of the U-shaped plate (16) near the left side are both connected to a sliding block (15) by bolts, and the side of the sliding block (15) away from the U-shaped plate (16) is slidably connected to the top and bottom of the inner cavity of the cover body (3).

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