Protective shell assembly of circuit breaker

Abstract

The utility model discloses a circuit breaker protective housing assembly, which comprises a housing body and a circuit breaker body, the right side of the housing body is open, a moving plate is slidably connected to the position, close to the right side, in the housing body, and the left side of the circuit breaker body is connected to the right side wall of the moving plate through a bolt. A cover plate is attached to the right side of the outer shell, threading holes matched with the circuit breaker body are formed in the top and the bottom of the outer shell, an opening and closing plate is hinged to the front side of the outer shell, a handle is connected to the position, close to the bottom, of the front wall of the opening and closing plate through bolts, and the position, close to the right side, of the circuit breaker body is sleeved with an inner shell; the right side of the inner shell is connected to the left side wall of the cover plate through bolts. According to the technical scheme, through mutual cooperation of the outer shell, the inner shell, the T-shaped screw rod, the nut, the connecting rod and other components, the device can be conveniently moved in or out, the device can be effectively and conveniently maintained and replaced, and the use efficiency and the maintenance efficiency of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker protective housing component. Background Art

[0002] The circuit breaker is composed of a zero-sequence current transformer, a leakage release and a circuit breaker with overload and short-circuit protection. It has three protection functions of 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 protective housing assembly is one of the commonly used components of the circuit breaker. However, the circuit breaker protective housing assembly in the prior art cannot be conveniently moved in or out when in use, making it impossible to effectively and conveniently repair and replace it, reducing its use efficiency and maintenance efficiency. Therefore, we propose a circuit breaker protective housing assembly. Utility Model Content

[0003] 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 circuit breaker protective housing assembly that can be conveniently moved in or out so that it can be effectively and conveniently repaired and replaced, thereby improving its use efficiency and maintenance efficiency.

[0004] To achieve the above-mentioned purpose, a circuit breaker protective housing assembly is provided, comprising: an outer shell and a circuit breaker body, wherein the right side of the outer shell is opened, a movable plate is slidably connected to the inner side of the outer shell near the right side, and the left side of the circuit breaker body is connected to the right side wall of the movable plate by bolts, a cover plate is attached to the right side of the outer shell, and threading holes matching the circuit breaker body are provided on the top and bottom of the outer shell, an opening and closing plate is hinged on the front side of the outer shell, and a handle is connected to the front wall of the opening and closing plate by bolts near the bottom.

[0005] According to the circuit breaker protective housing assembly, an inner housing is sleeved outside the circuit breaker body near the right side, and the right side of the inner housing is connected to the left side wall of the cover plate by bolts.

[0006] According to the circuit breaker protective housing assembly, a T-shaped screw is movably connected to the top of the housing body near the left side through a first bearing, and the bottom end of the T-shaped screw passes through the first bearing and is movably connected to the bottom of the inner cavity of the housing body through a second bearing, a nut is sleeved on the outside of the T-shaped screw near the top, and a limit plate is connected to the left side of the nut near the bottom through a bolt, the left side of the limit plate is slidably connected to the left inner wall of the housing body, and a connecting rod is hinged between the right side of the nut and the left side of the movable plate.

[0007] According to the circuit breaker protective housing assembly, the left side of 4) is connected with a first slider by bolts, and a first sliding groove matching the first slider is opened on the left inner wall of the housing.

[0008] According to the circuit breaker protective housing assembly, the cover plate and the right side of the housing body are connected with fastening screws near the top and the bottom.

[0009] According to the circuit breaker protective housing assembly, the top and bottom of the housing body are connected with docking plates near the left and right sides by bolts, and docking holes are provided on the docking plates.

[0010] According to the circuit breaker protective housing assembly, the top and bottom of the movable plate are both connected with a second slider via bolts, and the top and bottom of the inner cavity of the housing are both provided with a second slide groove matching the second slider.

[0011] The above scheme has at least one of the following beneficial effects: the technical scheme enables the outer shell, inner shell, T-shaped screw, nut and connecting rod and other components to be conveniently moved in or out through the mutual cooperation between them, so that they can be effectively and conveniently repaired and replaced, thereby improving their use efficiency and maintenance efficiency.

[0012] 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

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a main perspective view of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure;

[0016] Figure 3 for Figure 1 A in the enlarged view;

[0017] Figure 4 for Figure 1 A partial stereoscopic view of the inner shell, movable plate and other components.

[0018] Legend:

[0019] 1. Outer shell; 2. Opening and closing plate; 3. Cover plate; 4. Fastening screw; 5. T-shaped screw; 6. Docking plate; 7. Threading hole; 8. Docking hole; 9. Handle; 10. Circuit breaker body; 11. Inner shell; 12. Moving plate; 13. Connecting rod; 14. Limiting plate; 15. Nut. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figures 1 to 4 The utility model embodiment is a circuit breaker protective housing assembly, which includes an outer shell 1 and a circuit breaker body 10, and the right side of the outer shell 1 is opened, a movable plate 12 is slidably connected to the outer shell 1 near the right side, and the left side of the circuit breaker body 10 is connected to the right side wall of the movable plate 12 by bolts, a cover plate 3 is attached to the right side of the outer shell 1, a first slider is connected to the left side of the limit plate 14 by bolts, and a first slide groove matching the first slider is provided on the left inner wall of the outer shell 1, and threading holes 7 matching the circuit breaker body 10 are provided on the top and bottom of the outer shell 1, an opening and closing plate 2 is hinged on the front side of the outer shell 1, and a handle 9 is connected to the front wall of the opening and closing plate 2 near the bottom by bolts.

[0022] An inner shell 11 is sleeved on the outside of the circuit breaker body 10 near the right side, and the right side of the inner shell 11 is connected to the left side wall of the cover plate 3 by bolts. A T-shaped screw 5 is movably connected to the top of the outer shell 1 near the left side through a first bearing, and the bottom end of the T-shaped screw 5 passes through the first bearing and is movably connected to the bottom of the inner cavity of the outer shell 1 through a second bearing. A nut 15 is sleeved on the outside of the T-shaped screw 5 near the top, and a limit plate 14 is connected to the left side of the nut 15 near the bottom by bolts. The left side of the limit plate 14 is slidably connected to the left inner wall of the outer shell 1, and a first slider is connected to the left side of the limit plate 14 by bolts, and a first slide groove matching the first slider is opened on the left inner wall of the outer shell 1, and a connecting rod 13 is hinged on the right side of the nut 15 and the left side of the moving plate 12, and a second slider is connected to the top and bottom of the moving plate 12 by bolts, and a second slide groove matching the second slider is opened on the top and bottom of the inner cavity of the outer shell 1. Through this structure, it can be conveniently moved in or out, so that it can be effectively and conveniently repaired and replaced, thereby improving its use efficiency and repair efficiency.

[0023] The top and bottom of the outer shell 1 are connected with a docking plate 6 by bolts near the left and right sides, and a docking hole 8 is provided on the docking plate 6. Through this structure, it can be conveniently installed.

[0024] Working principle: When using this technical solution, first place it in the desired position through the docking plate 6 and the docking hole 8, remove the fastening screw 4, remove the cover plate 3, and rotate the T-shaped screw 5 clockwise or counterclockwise to make the nut 15 slide downward or upward in the outer shell 1. The nut 15 drives the circuit breaker body 10 to the right or left through the connecting rod 13 and the movable plate 12, so that it can be easily moved in or out, so that it can be effectively and conveniently repaired and replaced, improving its use efficiency and maintenance efficiency. When the maintenance is completed, close the cover plate 3, tighten the fastening screw 4 to fix it, and pull the handle 9 to open or close the opening and closing plate 2, so that it can be used conveniently.

[0025] 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 circuit breaker protective housing assembly, characterized in that: include: An outer shell (1) and a circuit breaker body (10), wherein the right side of the outer shell (1) is provided with an opening, a movable plate (12) is slidably connected to the inner side of the outer shell (1) near the right side, and the left side of the circuit breaker body (10) is connected to the right side wall of the movable plate (12) by bolts, a cover plate (3) is attached to the right side of the outer shell (1), and threading holes (7) matching the circuit breaker body (10) are provided on the top and bottom of the outer shell (1), an opening and closing plate (2) is hingedly connected to the front side of the outer shell (1), and a handle (9) is connected to the front wall of the opening and closing plate (2) near the bottom by bolts.

2. A circuit breaker protective housing assembly according to claim 1, characterized in that: An inner housing (11) is sleeved outside the circuit breaker body (10) near the right side, and the right side of the inner housing (11) is connected to the left side wall of the cover plate (3) by means of bolts.

3. A circuit breaker protective housing assembly according to claim 1, characterized in that: A T-shaped screw rod (5) is movably connected to the top of the outer shell (1) near the left side through a first bearing, and the bottom end of the T-shaped screw rod (5) passes through the first bearing and is movably connected to the bottom of the inner cavity of the outer shell (1) through a second bearing. A nut (15) is sleeved on the outside of the T-shaped screw rod (5) near the top, and a limit plate (14) is connected to the left side of the nut (15) near the bottom through a bolt. The left side of the limit plate (14) is slidably connected to the left inner wall of the outer shell (1), and the right side of the nut (15) is hinged to the left side of the movable plate (12) by a connecting rod (13).

4. A circuit breaker protective housing assembly according to claim 3, characterized in that: The left side of the limit plate (14) is connected to a first sliding block via bolts, and a first sliding groove matching the first sliding block is provided on the left inner wall of the outer shell (1).

5. A circuit breaker protective housing assembly according to claim 1, characterized in that: The cover plate (3) is connected to the right side of the outer shell (1) near the top and the bottom with fastening screws (4).

6. A circuit breaker protective housing assembly according to claim 1, characterized in that: The top and bottom of the outer shell (1) are connected to docking plates (6) by bolts near the left and right sides, and docking holes (8) are provided on the docking plates (6).

7. A circuit breaker protective housing assembly according to claim 1, characterized in that: The top and bottom of the movable plate (12) are both connected to a second sliding block via bolts, and the top and bottom of the inner cavity of the outer shell (1) are both provided with a second sliding groove matching the second sliding block.

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