Overload protection circuit breaker

Abstract

The utility model discloses an overload protection circuit breaker, and relates to the technical field of circuit breakers. The circuit breaker comprises a bottom frame, the middle part of the bottom frame is provided with a circuit breaker body, the surface of the bottom frame is provided with a clamping positioning assembly used for limiting the circuit breaker body, the top and the bottom of the circuit breaker body are respectively provided with a jack used for connecting an electric wire, and the front surface of the clamping positioning assembly is provided with a sliding control assembly. The surface of the sliding control assembly is provided with a wire guide assembly used for limiting a wire, and the top surface and the bottom surface of the bottom frame are fixedly connected with mounting lugs, thereby achieving the effect of facilitating the quick replacement of the circuit breaker in use, achieving the effective limiting of the wire in the replacement process, avoiding the winding and confusion of the wire, and improving the replacement efficiency of the circuit breaker. And the electric wire and the replaced circuit breaker can be quickly aligned and connected without repeated comparison and confirmation, so that the replacement efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an overload protection circuit breaker. Background Art

[0002] An overload protection circuit breaker is a safety device used to protect circuits from faults such as overload and short circuit. It combines the functions of overload protection and circuit breakers, which can detect and respond to overload conditions in the circuit and cut off the power supply to the circuit to prevent short circuits. Overload protection and circuit breakers play a vital role in power systems. They can detect and respond to circuit faults in a timely manner, protect the safe operation of circuit equipment, and prevent fires and other accidents.

[0003] A Chinese patent document with the authorization announcement number CN211605060U discloses a power overload circuit breaker, including a circuit breaker body and a fixing mechanism, the fixing mechanism including two clamping units, the two clamping units are respectively arranged on the left and right sides of the circuit breaker body, and the clamping units include a long strip-shaped connecting plate, an upper positioning cylinder, a lower positioning cylinder, an upper clamping rod and a lower clamping rod. With respect to the above technical scheme, there are the following defects in use: when a traditional circuit breaker fails and needs to be replaced, it is necessary to first disconnect the wires from the circuit breaker, and then reconnect the wires after replacing the circuit breaker. However, a multi-pole circuit breaker has a large number of connected wires. After disconnection, adjacent wires are easily entangled and confused. When reconnecting the wires, repeated comparison and confirmation are required, which takes a long time, resulting in a more troublesome process of replacing the circuit breaker.

[0004] For this purpose, an overload protection circuit breaker is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems mentioned in the above background technology, and the utility model provides an overload protection circuit breaker.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] An overload protection circuit breaker comprises a bottom frame, a circuit breaker body is arranged in the middle of the bottom frame, a clamping and positioning assembly for limiting the circuit breaker body is arranged on the surface of the bottom frame, sockets for connecting electric wires are arranged on the top and bottom of the circuit breaker body, a sliding control assembly is arranged on the front of the clamping and positioning assembly, a wire guide assembly for limiting the wires is arranged on the surface of the sliding control assembly, and mounting ears are fixedly connected to the top and bottom surfaces of the bottom frame.

[0008] Furthermore, the clamping and positioning assembly includes an installation cavity, and the installation cavity is opened at the top of the front side of the bottom frame, the inner wall of the installation cavity is rotatably connected with a double-headed screw, the right end of the double-headed screw is fixedly connected with a knob, the surface of the double-headed screw is threadedly connected with a mounting rod, the bottom of the inner wall of the installation cavity is provided with an extension groove, and the inner wall of the extension groove is slidably connected to the surface of the mounting rod, the bottom of the inner wall of the bottom frame is provided with a limiting groove, and the inner wall of the limiting groove is slidably connected to the bottom end of the mounting rod, the front side of the mounting rod is fixedly connected with a positioning block, and the left and right sides of the circuit breaker body are provided with alignment holes, and the inner walls of the alignment holes are movably connected to the positioning blocks.

[0009] Furthermore, the sliding control component includes a sliding groove, and the sliding groove is opened on the front side of the mounting rod, the inner wall of the sliding groove is slidably connected to a support rod, the back side of the support rod is fixedly connected to a connecting rod, and the end of the connecting rod is fixedly connected to a magnet bar.

[0010] Furthermore, the wire guide assembly includes a mounting plate, and the mounting plate is fixedly connected to the front side of the support rod by bolts, the bottom end of the mounting plate is fixedly connected to a guide tube, and the inner wall of the guide tube is fixedly connected to an anti-slip lining.

[0011] Furthermore, the anti-slip lining is made of rubber material, and the guide tube is an L-shaped structure.

[0012] Furthermore, the number of the wire guide assemblies is the same as the sockets, and the positions of the wire guide assemblies correspond to the sockets.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model can fix the bottom frame on the wall or other installation positions by matching the mounting ears with the bolts, and isolate the wires connected to the circuit breaker body through the wire guide assembly. When the circuit breaker body needs to be replaced, the connection between the wires and the sockets of the circuit breaker body is first released, and the sliding control assembly is pulled to drive the wire guide assembly to move, thereby pulling the ends of the wires away from the circuit breaker body, and fixing the wire guide assembly and the ends of the wires through the sliding control assembly to provide space for disassembling the circuit breaker body, and then releasing the limit of the circuit breaker body through the clamping positioning assembly, and pulling the circuit breaker outward. The circuit breaker body can be quickly disassembled. After replacing the new circuit breaker body, it is quickly fixed by the clamping positioning assembly, and then the sliding control assembly drives the wire guide assembly and the wire end to move, so that the corresponding wires can be directly sent into the correct socket. The replacement can be completed by fixing the wires and the socket. During use, the circuit breaker can be quickly replaced. During the replacement process, the wires can be effectively limited, and the wires will not be entangled or confused. The wires can be quickly aligned and connected to the replaced circuit breaker without repeated comparison and confirmation, which effectively improves the replacement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is an enlarged view of the mounting rod structure of the utility model;

[0017] Figure 3 It is an enlarged view of the bottom frame structure of the utility model;

[0018] Figure 4 It is an enlarged view of the main structure of the circuit breaker of the utility model;

[0019] Figure 5 It is an enlarged view of the support rod structure of the utility model;

[0020] Figure numerals: 1. bottom frame; 2. circuit breaker body; 3. clamping and positioning assembly; 301. mounting cavity; 302. double-headed screw rod; 303. knob; 304. mounting rod; 305. extension slot; 306. limit slot; 307. positioning block; 308. alignment hole; 4. sliding control assembly; 401. slide slot; 402. support rod; 403. connecting rod; 404. magnet bar; 5. wire guide assembly; 501. mounting plate; 502. guide tube; 503. anti-slip lining; 6. mounting ear. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0025] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] like Figures 1 to 5 As shown, an overload protection circuit breaker includes a bottom frame 1, a circuit breaker body 2 is arranged in the middle of the bottom frame 1, a clamping and positioning assembly 3 for limiting the circuit breaker body 2 is arranged on the surface of the bottom frame 1, and sockets for connecting wires are arranged on the top and bottom of the circuit breaker body 2, a sliding control assembly 4 is arranged on the front of the clamping and positioning assembly 3, and a wire guide assembly 5 for limiting the wires is arranged on the surface of the sliding control assembly 4, and mounting ears 6 are fixedly connected to the top and bottom surfaces of the bottom frame 1. More specifically, the mounting ears 6 cooperate with bolts to fix the bottom frame 1 on a wall or other installation positions, and the wires connected to the circuit breaker body 2 are isolated by the wire guide assembly 5. When the circuit breaker body 2 needs to be replaced First, release the connection between the wire and the socket of the circuit breaker body 2, pull the sliding control component 4, drive the wire guide component 5 to move, thereby pulling the end of the wire away from the circuit breaker body 2, and fix the wire guide component 5 and the wire end through the sliding control component 4 to provide space for disassembling the circuit breaker body 2, and then release the limit of the circuit breaker body 2 through the clamping and positioning component 3, and pull the circuit breaker body 2 outward to quickly disassemble it. After replacing the new circuit breaker body 2, quickly fix it through the clamping and positioning component 3, and then drive the wire guide component 5 and the wire end to move through the sliding control component 4, so that the corresponding wire can be directly sent into the correct socket, and the wire and the socket can be fixed to complete the replacement.

[0027] The clamping and positioning assembly 3 includes a mounting cavity 301, and the mounting cavity 301 is opened at the top of the front of the bottom frame 1. The inner wall of the mounting cavity 301 is rotatably connected to a double-headed screw rod 302, and the right end of the double-headed screw rod 302 is fixedly connected to a knob 303. The surface of the double-headed screw rod 302 is threadedly connected to a mounting rod 304. The bottom of the inner wall of the mounting cavity 301 is provided with a projection groove 305, and the inner wall of the projection groove 305 is slidably connected to the surface of the mounting rod 304. The bottom of the inner wall of the bottom frame 1 is provided with a limiting groove 306, and the inner wall of the limiting groove 306 is slidably connected to the bottom end of the mounting rod 304. A positioning block 307 is fixedly connected to the front of the mounting rod 304, and alignment holes 308 are opened on the left and right sides of the circuit breaker body 2, and the inner walls of the alignment holes 308 are movably connected with the positioning blocks 307. It should be noted that by rotating the knob 303, the double-headed screw rod 302 is driven to rotate, and under the action of the thread, the mounting rod 304 is driven to slide along the inner walls of the extension groove 305 and the inner walls of the limit groove 306, thereby driving the positioning block 307 to move, so that the positioning block 307 is away from the circuit breaker body 2 and disengaged from the inner wall of the alignment hole 308, and the circuit breaker body 2 can be released from the limit.

[0028] The sliding control component 4 includes a sliding groove 401, and the sliding groove 401 is opened on the front side of the mounting rod 304. The inner wall of the sliding groove 401 is slidably connected to the support rod 402, and the back side of the support rod 402 is fixedly connected to the connecting rod 403. The end of the connecting rod 403 is fixedly connected to the magnet bar 404. More specifically, by pulling the support rod 402 to slide along the inner wall of the sliding groove 401, the wire guide component 5 and the end of the wire can be pulled to move, so that the wire guide component 5 and the wire are away from the circuit breaker body 2. When the wire guide component 5 reaches the farthest position, the magnet bar 404 adheres to the inner wall of the bottom frame 1 and realizes magnetic adsorption, thereby fixing the position of the sliding control component 4 and the wire guide component 5.

[0029] The wire guide assembly 5 includes a mounting plate 501, and the mounting plate 501 is fixedly connected to the front of the support rod 402 by bolts, and the bottom end of the mounting plate 501 is fixedly connected to a guide tube 502, and the inner wall of the guide tube 502 is fixedly connected to a non-slip lining 503. It should be noted that the wires connected to the socket of the circuit breaker body 2 pass through the middle of the guide tube 502, so that different wires are isolated from each other, and when the sliding control assembly 4 drives the wire guide assembly 5 to move, the wire guide assembly 5 can drive the wires away from the circuit breaker body 2, providing an operating space for the installation and disassembly of the circuit breaker body 2. By setting the guide tube 502, the friction with the surface of the wire is increased, so that the guide tube 502 is not easy to slide relative to the wire when moving.

[0030] The anti-slip lining 503 is made of rubber material, and the guide tube 502 is an L-shaped structure. More specifically, by setting the rubber material, the friction with the surface of the wire is increased, so that when the wire is pulled, it is not easy for relative sliding to occur between the wires. By setting the L-shaped structure, the wire is bent inside the guide tube 502, and it is even less likely to slide relative to the guide tube 502.

[0031] The number of wire guide assemblies 5 is the same as the sockets, and the positions of the wire guide assemblies 5 correspond to the sockets. It should be noted that by setting multiple groups of wire guide assemblies 5 whose positions and numbers correspond to the sockets, each bundle of wires connected to the circuit breaker body 2 is limited.

[0032] In summary, the utility model can fix the bottom frame 1 on the wall or other installation positions by cooperating with the mounting ears 6 and the bolts, and isolate the wires connected to the circuit breaker body 2 through the wire guide assembly 5. When the circuit breaker body 2 needs to be replaced, the connection between the wire and the socket of the circuit breaker body 2 is first released, and the sliding control assembly 4 is pulled to drive the wire guide assembly 5 to move, thereby pulling the end of the wire away from the circuit breaker body 2, and the wire guide assembly 5 and the end of the wire are fixed by the sliding control assembly 4 to provide space for disassembling the circuit breaker body 2, and then the clamping and positioning assembly 3 is used to release the restriction on the circuit breaker body 2. The circuit breaker body 2 can be quickly disassembled by pulling it outwards. After replacing the new circuit breaker body 2, it can be quickly fixed by clamping the positioning component 3, and then the sliding control component 4 drives the wire guide component 5 and the wire end to move, so that the corresponding wire can be directly sent into the correct socket. The replacement can be completed by fixing the wire and the socket. In use, the circuit breaker can be quickly replaced. During the replacement process, the wires can be effectively limited, and the wires will not be entangled or confused. The wires can be quickly aligned and connected to the replaced circuit breaker without repeated comparison and confirmation, which effectively improves the replacement efficiency.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An overload protection circuit breaker, characterized in that: The invention comprises a base frame (1), a circuit breaker body (2) is arranged in the middle of the base frame (1), a clamping and positioning assembly (3) for limiting the position of the circuit breaker body (2) is arranged on the surface of the base frame (1), sockets for connecting electric wires are arranged on the top and bottom of the circuit breaker body (2), a sliding control assembly (4) is arranged on the front of the clamping and positioning assembly (3), a wire guide assembly (5) for limiting the position of the electric wires is arranged on the surface of the sliding control assembly (4), and mounting ears (6) are fixedly connected to the top and bottom surfaces of the base frame (1).

2. An overload protection circuit breaker according to claim 1, characterized in that: The clamping and positioning assembly (3) comprises an installation cavity (301), and the installation cavity (301) is opened at the front top of the bottom frame (1), the inner wall of the installation cavity (301) is rotatably connected to a double-headed screw rod (302), the right end of the double-headed screw rod (302) is fixedly connected to a knob (303), the surface of the double-headed screw rod (302) is threadedly connected to a mounting rod (304), and the bottom of the inner wall of the installation cavity (301) is provided with a extending groove (305), and the extending groove (305) is provided to the bottom of the inner wall of the installation cavity (301). The inner wall of the outlet groove (305) is slidably connected to the surface of the mounting rod (304); a limiting groove (306) is provided at the bottom of the inner wall of the bottom frame (1); and the inner wall of the limiting groove (306) is slidably connected to the bottom end of the mounting rod (304); a positioning block (307) is fixedly connected to the front of the mounting rod (304); and alignment holes (308) are provided on both the left and right sides of the circuit breaker body (2); and the inner walls of the alignment holes (308) are movably plugged into the positioning blocks (307).

3. An overload protection circuit breaker according to claim 2, characterized in that: The sliding control component (4) includes a sliding groove (401), and the sliding groove (401) is opened on the front side of the mounting rod (304), the inner wall of the sliding groove (401) is slidably connected to a support rod (402), the back side of the support rod (402) is fixedly connected to a connecting rod (403), and the end of the connecting rod (403) is fixedly connected to a magnet bar (404).

4. An overload protection circuit breaker according to claim 3, characterized in that: The wire guide assembly (5) comprises a mounting plate (501), and the mounting plate (501) is fixedly connected to the front of the support rod (402) by means of bolts, the bottom end of the mounting plate (501) is fixedly connected to a guide tube (502), and the inner wall of the guide tube (502) is fixedly connected to an anti-slip lining (503).

5. An overload protection circuit breaker according to claim 4, characterized in that: The anti-slip lining (503) is made of rubber, and the guide tube (502) is an L-shaped structure.

6. An overload protection circuit breaker according to claim 4, characterized in that: The number of the wire guide components (5) is the same as the sockets, and the positions of the wire guide components (5) correspond to the sockets.

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