Miniature circuit breaker

Abstract

The utility model belongs to the technical field of circuit breakers, and discloses a miniature circuit breaker, which comprises a circuit breaker main body and a control switch arranged on the circuit breaker main body, positioning plates are arranged on the upper surface and the bottom surface of the circuit breaker main body, and a fixing rod is fixed on the side wall of one side of the circuit breaker main body. A fixing groove is formed in the side wall of the other side of the circuit breaker main body, and a fixing assembly used for fixing a fixing rod on the other circuit breaker main body is arranged on the circuit breaker main body. The device has the effect of reducing the difficulty of butting the circuit breaker by a worker.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, especially small circuit breaker. BACKGROUND

[0002] Small circuit breaker is mainly used for overload and short circuit protection of AC 50 / 60Hz rated voltage 230 / 400V and rated current up to 63A line, and can also be used for infrequent operation conversion of line under normal circumstances, which has the characteristics of reliable performance, strong breaking capacity, beautiful and small appearance and the like, and is mainly used in various places such as industry, commerce, high-rise and residential buildings. In actual use, a corresponding small circuit breaker is often set for each room or a specific socket. The circuit breakers are independently installed during installation, and are prone to looseness between multiple circuit breakers after installation, which has certain safety hazards in use.

[0003] In the Chinese utility model patent with publication number CN218887083U, a small circuit breaker is disclosed, which is composed of a switch and a control switch. Two recesses are formed on one side of the switch, and two nuts are arranged on the side wall of the switch. One end of each nut is fixedly connected with a threaded rod, and one end of each threaded rod extends through the middle part of the switch to the inside of the recess. A positioning groove is formed at one end of each threaded rod, and a positioning column is fixedly connected inside each recess. Two clamping plates are fixedly connected to the side wall of the switch, and a positioning hole is formed in the middle part of each clamping plate. The outer part of each positioning hole is matched with the outer part of the positioning column. Through the above structure, the positioning column and the clamping plate are matched, and the threaded rod is used for positioning, so that multiple circuit breakers are stable during installation, and are not prone to looseness after combination, which can ensure safety during use.

[0004] According to the related technology in the above, the inventors believe that the following defects exist: the above device fixes the clamping plate through the threaded rod connected with the rotating nut, and then connects the two circuit breakers. When using, the staff needs to rotate the rotating nut while keeping the two circuit breakers stable with the help of tools. When one of the circuit breakers has been installed on the wall, the staff needs to make the other circuit breaker close to the circuit breaker and the wall at the same time, which has poor user experience. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a small circuit breaker.

[0006] The utility model discloses a technical scheme above is realized through the following technical scheme: small circuit breaker, including circuit breaker main part and setting control switch on circuit breaker main part, the upper surface and the bottom surface of circuit breaker main part all are provided with the positioning board, the side wall of one side of circuit breaker main part is fixed with fixed link, the side wall of the other side of circuit breaker main part is provided with fixed slot, be provided with the fixed assembly for fixing the fixed link of another circuit breaker main body on circuit breaker main part.

[0007] When the staff needs to install multiple circuit breaker main bodies at the same time, the staff needs to connect multiple circuit breaker main bodies. At this time, the staff needs to connect the fixed link on one of the circuit breaker main bodies with the fixed slot on another circuit breaker main body, so that the fixed assembly is automatically opened and blocks the fixed link, thereby keeping the two circuit breaker main bodies stable. Further, when multiple circuit breaker main bodies are connected to each other, the staff only needs to abut the positioning plate against the wall and connect the fixed bolt with the wall, so that the circuit breaker main body is kept stable.

[0008] Further, a limiting slot is formed in the inner wall of the fixed slot, the fixed assembly includes a limiting rod slidingly arranged in the limiting slot, a limiting spring fixed to the side wall of the limiting rod at one end, and a driving device arranged on the circuit breaker main body for driving the limiting rod, the other end of the limiting spring is fixed to the inner wall of the limiting slot, a first fixing hole is formed through the side wall of the fixed link, and an inclined surface is formed on the upper surface of the limiting rod and the edge of the side wall away from the fixed link.

[0009] Further, a second fixing hole is formed in the inner wall of the fixed slot away from the limiting slot.

[0010] When the staff needs to connect two circuit breaker main bodies, the staff needs to connect the fixed link on one of the circuit breaker main bodies with the fixed slot on another circuit breaker main body, so that the fixed link abuts against the inclined surface, thereby making the limiting rod move completely into the limiting slot under the action of the fixed link. Then, the staff needs to continue to move the fixed link, so that the limiting slot is opposite to the first fixing hole, thereby making the limiting rod pop out under the action of the limiting spring, and further making one end of the limiting rod pass through the first fixing hole and connect with the second fixing hole, thereby keeping the fixed link stable under the action of the limiting rod.

[0011] Further, a rotating slot is formed in the side wall of the circuit breaker main body, the driving device includes a rotating rod rotatably arranged in the inner wall of the rotating slot, a rotating piece fixed to the side wall of the rotating rod, and a connecting rope fixed to the side wall of the rotating piece at one end, and the other end of the connecting rope is fixed to the side wall of the limiting rod close to the limiting spring.

[0012] When the staff needs to separate the two circuit breaker bodies from each other, the staff needs to press one end of the rotating piece, so that the rotating piece rotates, and then the connecting rope moves away from the limiting rod under the action of the rotating piece, and then the limiting rod completely moves into the limiting groove under the action of the connecting rope, so that the limiting rod and the fixed rod are separated from each other, thereby reducing the difficulty of the staff in separating the two circuit breaker bodies.

[0013] Further, the inner wall of the rotating groove is provided with a mounting groove, the inner wall of the mounting groove is fixed with a compression spring, and the other end of the compression spring is fixed on the side wall of the rotating piece close to the mounting groove.

[0014] Further, the side wall of the rotating piece close to the compression spring is fixed with an abutting block.

[0015] By adopting the above technical scheme, when the rotating piece is not subjected to external force, the rotating piece is continuously subjected to the action force of the compression spring, and then the abutting block continuously abuts against the inner wall of the rotating groove under the action of the compression spring, thereby improving the stability of the rotating piece.

[0016] Further, the side wall of the rotating piece is provided with an indicating piece for indicating the pressing position.

[0017] Further, the indicating piece is an indicating piece made of stainless steel.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. In the application, when the staff needs to install multiple circuit breaker bodies at the same time, the staff needs to butt joint the multiple circuit breaker bodies. At this time, the staff needs to connect the fixed rod on one of the circuit breaker bodies with the fixed groove on another circuit breaker body, so that the fixed assembly is automatically opened and the fixed rod is blocked, thereby keeping the two circuit breaker bodies stable. Further, when the multiple circuit breaker bodies are connected with each other, the staff only needs to abut the positioning plate against the wall and connect the fixed bolt with the wall, so that the circuit breaker body is kept stable.

[0020] 2. In the application, when the staff needs to butt joint two circuit breaker bodies, the staff needs to connect the fixed rod on one of the circuit breaker bodies with the fixed groove on another circuit breaker body, so that the fixed rod abuts against the inclined surface, thereby making the limiting rod completely move into the limiting groove under the action of the fixed rod. Then, the staff needs to continue to move the fixed rod, so that the limiting groove is opposite to the first fixed hole, thereby making the limiting rod pop out under the action of the limiting spring, and then the end of the limiting rod passes through the first fixed hole and is connected with the second fixed hole, thereby keeping the fixed rod stable under the action of the limiting rod.

[0021] 3、The utility model discloses, when the staff needs to make two circuit breaker main bodies separate each other, the staff needs to press one end of the rotating piece, can make the rotating piece rotate, and then make the connecting rope move under the action of the rotating piece to the direction of moving away from the limiting rod, and then make the limiting rod completely move into the limiting groove under the action of the connecting rope, thereby the limiting rod and the fixed rod separate each other, and the difficulty of the staff to split two circuit breaker main bodies is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model embodiment;

[0023] Figure 2 It is the fixed groove and its connecting structure schematic diagram of the utility model embodiment;

[0024] Figure 3 It is the accommodation groove and its connecting structure schematic diagram of the utility model embodiment;

[0025] Figure 4 It is the fixed assembly and its connecting structure schematic diagram of the utility model embodiment.

[0026] In the drawing: 1, circuit breaker main body;11, control switch;2, positioning plate;21, fixed rod;3, fixed groove;31, limiting groove;4, fixed assembly;41, limiting rod;42, limiting spring;43, first fixed hole;44, rotating groove;5, drive device;51, rotating rod;52, rotating piece;53, connecting rope;6, second fixed hole;61, accommodation groove;7, compression spring;71, abutting block;8, indicating piece. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application;Obviously, the described embodiments are only part of the embodiments of the present application, and not all embodiments;Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] As Figures 1-4 Indicated, the utility model discloses small -size circuit breaker, including circuit breaker main body 1, control switch 11, positioning plate 2, fixed rod 21, fixed assembly 4, compression spring 7, abutting block 71 and indicating piece 8. Control switch 11 sets up on circuit breaker main body 1, and positioning plate 2 is rectangular plate structure, and positioning plate 2 is equipped with two and is arranged on the upper surface and the bottom surface of circuit breaker main body 1 respectively. Fixed rod 21 is rectangular rod structure, and fixed rod 21 is fixed on the side wall of one side of circuit breaker main body 1.

[0029] A fixing groove 3 is formed on the side wall of the other side of the circuit breaker body 1, and a limiting groove 31 is formed on the inner wall of the fixing groove 3. A fixing assembly 4 is arranged on the circuit breaker body 1 and used for fixing the fixing rod 21 on the other circuit breaker body 1. The fixing assembly 4 comprises a limiting rod 41, a limiting spring 42 and a driving device 5. The limiting rod 41 is in the shape of a long rectangular rod and is slidingly arranged in the limiting groove 31. One end of the limiting spring 42 is fixed on the side wall of the limiting rod 41, and the other end of the limiting spring 42 is fixed on the inner wall of the limiting groove 31. A first fixing hole 43 is formed through the side wall of the fixing rod 21. An inclined surface is formed on the upper surface of the limiting rod 41 and the edge of the limiting rod 41 which is away from the side wall of the fixing rod 21. A second fixing hole 6 is formed on the inner wall of the fixing groove 3 which is away from the limiting groove 31.

[0030] When the workers need to connect the two circuit breaker bodies 1, the workers need to connect the fixing rod 21 on one of the circuit breaker bodies 1 with the fixing groove 3 on the other circuit breaker body 1, so that the fixing rod 21 abuts against the inclined surface, and the limiting rod 41 is completely moved into the limiting groove 31 under the action of the fixing rod 21. Then, the workers need to continue to move the fixing rod 21, so that the limiting groove 31 is opposite to the first fixing hole 43, the limiting rod 41 is popped out under the action of the limiting spring 42, and then the one end of the limiting rod 41 passes through the first fixing hole 43 and is connected with the second fixing hole 6, so that the fixing rod 21 is kept stable under the action of the limiting rod 41.

[0031] The driving device 5 is arranged on the circuit breaker body 1 and used for driving the limiting rod 41. The driving device 5 comprises a rotating rod 51, a rotating sheet 52 and a connecting rope 53. The rotating rod 51 is in the shape of a round rod and is rotatingly arranged on the inner wall of the rotating groove 44. The rotating sheet 52 is in the shape of a sheet and is fixed on the side wall of the rotating rod 51. One end of the connecting rope 53 is fixed on the side wall of the rotating sheet 52, and the other end of the connecting rope 53 is fixed on the side wall of the limiting rod 41 which is close to the limiting spring 42.

[0032] When the workers need to separate the two circuit breaker bodies 1, the workers need to press one end of the rotating sheet 52, so that the rotating sheet 52 is rotated, the connecting rope 53 is moved away from the limiting rod 41 under the action of the rotating sheet 52, the limiting rod 41 is completely moved into the limiting groove 31 under the action of the connecting rope 53, the limiting rod 41 is separated from the fixing rod 21, and the difficulty of the workers in separating the two circuit breaker bodies 1 is reduced.

[0033] The inner wall of the rotating groove 44 is provided with a mounting groove 61, one end of the compression spring 7 is fixed on the inner wall of the mounting groove 61, and the other end of the compression spring 7 is fixed on the side wall of the rotating piece 52 close to the mounting groove 61. The abutting block 71 is a rectangular block structure, and the abutting block 71 is fixed on the side wall of the rotating piece 52 close to the compression spring 7.

[0034] When the rotating piece 52 is not subjected to external force, the rotating piece 52 is continuously subjected to the force of the compression spring 7, so that the abutting block 71 continuously abuts against the inner wall of the rotating groove 44 under the action of the compression spring 7, thereby improving the stability of the rotating piece 52.

[0035] In order to improve the use experience of the staff, the side wall of the rotating piece 52 is provided with an indicating piece 8 for indicating the pressing position, and the indicating piece 8 is made of stainless steel sheet.

[0036] The use principle of the small circuit breaker in the embodiment is as follows: when the staff needs to install multiple circuit breaker bodies 1 at the same time, the staff needs to connect multiple circuit breaker bodies 1. At this time, the staff needs to connect the fixing rod 21 on one of the circuit breaker bodies 1 with the fixing groove 3 on another circuit breaker body 1, so that the fixing assembly 4 is automatically opened and blocks the fixing rod 21, so that the two circuit breaker bodies 1 are kept stable. Further, when multiple circuit breaker bodies 1 are connected with each other, the staff only needs to abut the positioning plate 2 against the wall and connect the fixing bolt with the wall, so that the circuit breaker body 1 is kept stable.

[0037] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A miniature circuit breaker comprising a circuit breaker body (1) and a control switch (11) arranged on the circuit breaker body (1), characterized in that: The upper surface and the bottom surface of the circuit breaker body (1) are provided with positioning plates (2), the side wall of one side of the circuit breaker body (1) is fixedly provided with a fixed rod (21), the side wall of the other side of the circuit breaker body (1) is provided with a fixed groove (3), and the circuit breaker body (1) is provided with a fixing assembly (4) for fixing the fixed rod (21) on the other circuit breaker body (1).

2. The miniature circuit breaker according to claim 1, characterized in that: The inner wall of the fixed groove (3) is provided with a limiting groove (31), the fixing assembly (4) comprises a limiting rod (41) slidably arranged in the limiting groove (31), a limiting spring (42) fixed to the side wall of the limiting rod (41) at one end, and a driving device (5) arranged on the circuit breaker body (1) for driving the limiting rod (41), the other end of the limiting spring (42) is fixed to the inner wall of the limiting groove (31), the side wall of the fixed rod (21) is provided with a first fixing hole (43), and the upper surface of the limiting rod (41) is provided with an inclined surface on the edge of the side wall away from the fixed rod (21).

3. The miniature circuit breaker according to claim 2, characterized in that: The inner wall of the fixed groove (3) away from the limiting groove (31) is provided with a second fixing hole (6).

4. The miniature circuit breaker according to claim 3, characterized in that: The side wall of the circuit breaker body (1) is provided with a rotating groove (44), the driving device (5) comprises a rotating rod (51) rotatably arranged on the inner wall of the rotating groove (44), a rotating piece (52) fixed to the side wall of the rotating rod (51), and a connecting rope (53) fixed to the side wall of the rotating piece (52) at one end, and the other end of the connecting rope (53) is fixed to the side wall of the limiting rod (41) close to the limiting spring (42).

5. The miniature circuit breaker according to claim 4, characterized in that: The inner wall of the rotating groove (44) is provided with a mounting groove (61), the inner wall of the mounting groove (61) is fixedly provided with a compression spring (7), and the other end of the compression spring (7) is fixed to the side wall of the rotating piece (52) close to the mounting groove (61).

6. The miniature circuit breaker according to claim 5, characterized in that: The side wall of the rotating piece (52) close to the compression spring (7) is fixedly provided with an abutting block (71).

7. A miniature circuit breaker according to claim 6, characterized in that: The side wall of the rotating piece (52) is provided with an indicating piece (8) for indicating the pressing position.

8. The miniature circuit breaker according to claim 7, characterized in that: The indicating piece (8) is made of stainless steel.

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