CN220208864U

CN220208864U - Circuit breaker

Info

Publication number: CN220208864U
Application number: CN202321795203.5U
Authority: CN
Inventors: 景山墩
Original assignee: Chengxi Electric Co ltd
Current assignee: Chengxi Electric Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2023-12-19
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a circuit breaker, which comprises a circuit breaker shell, wherein an opening and closing mechanism is arranged in the circuit breaker shell, wiring terminals electrically connected with the opening and closing mechanism are arranged at the upper end and the lower end of the circuit breaker shell, each wiring terminal comprises a key body, a wire pressing frame, a conductive spring and a conductive piece, a key opening and a wiring opening which are mutually communicated are arranged at the end part of the shell, the key body is slidably arranged on the key opening, a detachable fastening structure is arranged between the key opening and the key body, the wire pressing frame is fixedly arranged at the bottom of the key body, the conductive spring is arranged between the bottom of the wire pressing frame and the conductive piece, and a wiring elastic piece positioned at the bottom in the wire pressing frame is arranged on the conductive piece. The binding post of this circuit breaker is button structure, presses the button body after the wire is put into the line ball frame and can realize effectively fixing the wire through the wiring shell fragment, still is equipped with conductive spring between line ball frame and the electrically conductive piece and contacts, is difficult to produce not hard up problem that leads to the contact failure, product dismouting wiring is convenient.

Description

Circuit breaker

Technical Field

The utility model relates to the field of circuit breakers, in particular to an air circuit breaker convenient to wire.

Background

An automatic switching-on and switching-off mechanism is usually arranged in the circuit breaker, and when the short-circuit current passing through the circuit breaker is increased to a certain value, the electromagnetic release enables the circuit breaker to trip rapidly, so that the circuit protection function is achieved. The existing circuit breaker is generally connected through adopting a line pressing frame and a screw, so that the problem of poor contact caused by looseness is easily generated, and the disassembly and assembly are inconvenient.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the circuit breaker which is convenient to assemble and disassemble and is not easy to generate poor contact.

The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a circuit breaker, includes the circuit breaker casing, and the inside divide-shut brake mechanism that is equipped with of circuit breaker casing, the upper and lower both ends of circuit breaker casing are equipped with the binding post with divide-shut brake mechanism electric connection, its characterized in that: binding post includes button body, line ball frame, conductive spring and electrically conductive spare, and the tip of casing is equipped with button mouth and the wiring mouth of intercommunication each other, slidable mounting button body on the button mouth is equipped with detachable buckle structure between button mouth and the button body, and the bottom fixed mounting line ball frame of button body is equipped with conductive spring between the bottom of line ball frame and the electrically conductive spare, is equipped with the wiring shell fragment that is located the line ball frame in the electrically conductive spare.

Further perfects, detachable buckle structure is including setting up the elasticity trip on the button mouth and setting up the draw-in groove on the button body, and elasticity trip and draw-in groove cooperation realize buckle connection.

Further perfecting, the wiring shell fragment is L shape, comprises bending deformation limit and wiring limit, and bending deformation limit is located the outside of line ball frame, and the wiring limit is located the inside of line ball frame, and wiring edge side is equipped with friction line.

Further perfecting, the bottom of line ball frame is equipped with the interface, the electrically conductive piece is equipped with the plug piece, and plug piece and interface can peg graft the cooperation.

The beneficial effects of the utility model are as follows: the binding post of circuit breaker is button structure, presses the button body after the wire is put into the line ball frame and can realize effectively fixing the wire through the wiring shell fragment, still is equipped with conductive spring between line ball frame and the electrically conductive piece and contacts, is difficult to produce not hard up problem that leads to the contact failure, product dismouting wiring is convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

reference numerals illustrate: 1. the circuit breaker comprises a circuit breaker shell, 2, a key body, 3, a wire pressing frame, 4, a conductive spring, 5, a conductive piece, 6, a key opening, 7, a wiring opening, 8, a wiring spring piece, 9, an elastic clamping hook, 10, a clamping groove, 11, friction lines, 12, a plug-in port, 13 and a plug-in piece.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

referring to fig. 1: the circuit breaker comprises a circuit breaker shell 1, an opening and closing mechanism is arranged in the circuit breaker shell 1, wiring terminals electrically connected with the opening and closing mechanism are arranged at the upper end and the lower end of the circuit breaker shell 1, each wiring terminal comprises a key body 2, a wire pressing frame 3, a conductive spring 4 and a conductive piece 5, a key opening 6 and a wiring opening 7 which are mutually communicated are arranged at the end of the shell, the key body 2 is slidably mounted on the key opening 6, a detachable fastening structure is arranged between the key opening 6 and the key body 2, the wire pressing frame 3 is fixedly mounted at the bottom of the key body 2, the conductive spring 4 is arranged between the bottom of the wire pressing frame 3 and the conductive piece 5, and a wire connecting elastic piece 8 positioned at the bottom in the wire pressing frame 3 is arranged on the conductive piece 5.

Through the technical scheme, when the wiring operation is carried out on the wiring terminals on two sides, the buckle is firstly released, the key opening 6 is separated from the key body 2, the key body 2 can automatically spring up under the elastic action of the conductive spring 4, then the lead is inserted into the wiring opening 7 and placed into the wire pressing frame 3, then the key body 2 is pressed down, the buckle is combined again, the key body 2 is fixed on the key opening 6, the lead can be pressed after the wire pressing frame 3 moves downwards, the conductive spring 4 is compressed, meanwhile, the wiring elastic sheet 8 generates elastic deformation, the lead is elastically clamped, the effective fixation of the lead is realized, the wire pressing frame and the conductive piece are conducted through the conductive spring and the wiring elastic sheet 8, the problem of poor contact caused by looseness is not easy to generate, and the product is convenient to disassemble and assemble and wire. The switching-on and switching-off mechanism is provided with a movable contact and a fixed contact, and the movable contact can move between a switching-on position and a switching-off position; when the movable contact is positioned at the closing position, the movable contact is contacted with the fixed contact; in the open position, the movable contact is separated from the stationary contact 220. The conductive member 5 is in contact with a movable contact or a stationary contact. The binding post can be as the input of circuit breaker, also can be as the output of circuit breaker, and divide-shut brake mechanism locates between input and the output. The two wiring terminals are electrically connected with the switching-on/off mechanism to form a main loop, the switching-on/off mechanism is provided with a switching-off state and a switching-on state, and the switching-on/off of the power supply of the main loop can be controlled manually through switching between the switching-on state and the switching-off state of the handle. In the closing state, the moving contact is contacted with the fixed contact, and the conductive pieces 5 of the two wiring terminals are conducted; in the opening state, the moving contact is separated from the fixed contact, so that the conductive pieces 5 of the two wiring terminals are connected and disconnected.

The detachable buckle structure comprises an elastic hook 9 arranged on the key opening 6 and a clamping groove 10 arranged on the key body 2, and the elastic hook 9 and the clamping groove 10 are matched to realize buckle connection. The elastic clamping hook 9 can be separated from the clamping groove 10 by pulling outwards. After the key body 2 is pressed down, the elastic clamping hook 9 and the clamping groove 10 are combined again.

The wiring shell fragment 8 is L shape, comprises bending deformation limit and wiring limit, and bending deformation limit is located the outside of line ball frame 3, and wiring limit is located the inside of line ball frame 3, and wiring edge side is equipped with friction line 11. The wiring edge is downwards deflected when the wiring spring plate 8 is deformed to form a slope surface, so that the anti-loosening performance can be improved. The friction lines 11 on the upper side of the wiring edge can enhance friction force and prevent the wires from slipping.

The bottom of the wire pressing frame 3 is provided with an inserting port 12, the conductive piece 5 is provided with an inserting piece 13, and the inserting piece 13 and the inserting port 12 can be in inserting fit. The plug 13 is in plug-in engagement with the plug 12, which further improves the electrical conductivity between the wire frame 3 and the conductive element 5. The plug 13 can also act as a positioning for the conductive spring 4.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. The utility model provides a circuit breaker, includes circuit breaker casing (1), and circuit breaker casing (1) is inside to be equipped with divide-shut brake mechanism, and the upper and lower both ends of circuit breaker casing (1) are equipped with the binding post with divide-shut brake mechanism electric connection, its characterized in that: binding post includes button body (2), line ball frame (3), conductive spring (4) and electrically conductive spare (5), the tip of casing is equipped with button mouth (6) and the wiring mouth (7) of intercommunication each other, slidable mounting button body (2) on button mouth (6), be equipped with detachable buckle structure between button mouth (6) and button body (2), the bottom fixed mounting line ball frame (3) of button body (2), be equipped with conductive spring (4) between the bottom of line ball frame (3) and electrically conductive spare (5), be equipped with wiring shell fragment (8) that are located the bottom in line ball frame (3) on electrically conductive spare (5).

2. A circuit breaker according to claim 1, characterized in that: the detachable buckle structure comprises an elastic clamping hook (9) arranged on the key opening (6) and a clamping groove (10) arranged on the key body (2), and the elastic clamping hook (9) and the clamping groove (10) are matched to realize buckle connection.

3. A circuit breaker according to claim 1, characterized in that: the wiring shell fragment (8) is L shape, comprises bending deformation limit and wiring limit, and bending deformation limit is located the outside of line ball frame (3), and wiring limit is located the inside of line ball frame (3), and wiring edge side is equipped with friction line (11).

4. A circuit breaker according to claim 1, characterized in that: the bottom of line ball frame (3) is equipped with interface (12), conducting piece (5) are equipped with spliced piece (13), spliced piece (13) and interface (12) can peg graft the cooperation.