Magnetic control type circuit breaker

Abstract

The utility model relates to the technical field of magnetic control type circuit breakers, in particular to a magnetic control type circuit breaker which comprises a magnetic control type circuit breaker, a connector lug is arranged at the bottom of the magnetic control type circuit breaker, a wiring port is formed in the rear end of the connector lug, telescopic grooves are formed in the two sides of the wiring port, springs are arranged at the rear ends of the telescopic grooves, and the front ends of the springs are connected with telescopic blocks. Clamping blocks are arranged at the front ends of the telescopic blocks, the clamping blocks are clamped on the two sides of the wiring port, and the inner sides of the clamping blocks are connected with insulating rubber pads; the magnetic control type circuit breaker has the beneficial effects that when the magnetic control type circuit breaker provided by the utility model is connected with a wire and passes through a circuit, the front end of the wire is firstly inserted into the wiring port formed in the front end of the connector lug, and then the wire is inserted into the wiring port through screwing the screw; the pressing plate at the bottom of the screw presses a copper wire at the front end of the electric wire to the communication plate extending into the connector lug to communicate with a circuit, and the pressing plate can tightly press the connection between the electric wire and the communication plate.

Description

Technical Field

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

[0002] A magnetically controlled circuit breaker is a power protection device that is used to automatically cut off a circuit when an overload, short circuit or other fault occurs in the circuit to prevent damage to electrical equipment or dangers such as fire.

[0003] In the prior art, magnetically controlled circuit breakers are connected to circuits through wires to cut off the circuit by using the electromagnetic force generated by the current passing through the coil. When the current exceeds the set rated value, the electromagnetic force of the current passing through the coil attracts the trigger mechanism, causing the circuit breaker contacts to open quickly and cut off the circuit.

[0004] However, in the prior art, the wires and the magnetically controlled circuit breaker are mostly connected by simple wiring, and the connected wires are easily disconnected, resulting in the magnetically controlled circuit breaker being unable to control the circuit. Utility Model Content

[0005] The purpose of the utility model is to provide a magnetically controlled circuit breaker to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a magnetically controlled circuit breaker, wherein a terminal head is arranged at the bottom of the magnetically controlled circuit breaker, a terminal port is arranged at the rear end of the terminal head, telescopic grooves are arranged on both sides of the terminal port, a spring is arranged at the rear end of the telescopic groove, a telescopic block is connected to the front end of the spring, a holding block is arranged at the front end of the telescopic block, the holding block is held on both sides of the terminal port, and an insulating rubber pad is connected to the inner side of the holding block.

[0007] Preferably, a switch is provided on the surface of the magnetically controlled circuit breaker, and the switch can control the opening and closing of the magnetically controlled circuit breaker. A control button is also provided on the surface of the magnetically controlled circuit breaker, and the control button can control the magnetically controlled circuit breaker.

[0008] Preferably, a connecting plate is provided at the bottom of the magnetically controlled circuit breaker, and the connecting plate is plugged into the interior of the terminal head. The connecting plate can be connected to the wire so that the magnetically controlled circuit breaker can connect the line.

[0009] Preferably, a thread groove is provided at the top of the terminal head, a screw is inserted in the thread groove, a pressure plate is provided at the bottom of the screw, and the screw can drive the pressure plate to descend to tighten the connection between the wire and the connecting plate.

[0010] Preferably, the terminal head is provided with installation grooves on both sides of the top of the screw, and a cover plate can be inserted into the installation groove. The cover plate can seal the screw to prevent the screw from being accidentally touched by humans and causing the screw to loosen.

[0011] Preferably, a slot is provided at the front end of the terminal head and the cover plate, the slot passes through the terminal head, an arc-shaped opening is provided in the middle of the telescopic block, a plug-in plate can be inserted into the slot, and the plug-in plate can squeeze the arc-shaped opening of the telescopic block so that the telescopic block drives the clamping block to extend and retract to clamp the wire.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a magnetically controlled circuit breaker. When the magnetically controlled circuit breaker is connected to the electric wire to pass the circuit, the front end of the electric wire is first inserted into the wiring port provided at the front end of the wiring head. Then, by screwing the screw, the pressure plate at the bottom of the screw presses the copper wire at the front end of the electric wire to the connecting plate extending into the inside of the wiring head to connect the circuit. The pressure plate can press the connection between the electric wire and the connecting plate tightly. Then, the cover plate is inserted into the installation grooves provided at both sides of the top of the screw of the magnetically controlled circuit breaker to seal the screw to prevent the screw from loosening due to human error. The cover plate is connected to the front end of the wiring head. A slot is provided, which runs through the wiring head. The slot is located in the middle of the telescopic slot. Inserting a plug board into the slot can make the arc surface at the bottom of the plug board squeeze the arc opening at the beginning of the middle of the rear end of the telescopic block, so that the telescopic block drives the holding block to expand and contract, so that the holding block clamps the wires plugged in the wiring port to prevent the wires from falling. The plug board fixes the cover plate at the same time to prevent the cover plate from sliding off the installation slot. The inner side of the holding block is connected to an insulating rubber pad, which protects the wires to prevent the holding block from clamping the wires and damaging them, and at the same time prevents the wires from leaking electricity and causing safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the wiring head of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the other side of the wiring head of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the telescopic slot of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the plug board of the utility model.

[0019] In the figure: magnetically controlled circuit breaker 1, switch 2, control button 3, terminal head 4, wiring port 5, cover plate 6, screw 7, pressure plate 8, connecting plate 9, holding block 10, insulating rubber pad 11, mounting groove 12, slot 13, telescopic groove 14, spring 15, telescopic block 16, arc-shaped port 17, plug plate 18. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a magnetically controlled circuit breaker 1, wherein a terminal head 4 is arranged at the bottom of the magnetically controlled circuit breaker 1, a terminal port 5 is arranged at the rear end of the terminal head 4, telescopic grooves 14 are arranged on both sides of the terminal port 5, a spring 15 is arranged at the rear end of the telescopic groove 14, a telescopic block 16 is connected to the front end of the spring 15, a clamping block 10 is arranged at the front end of the telescopic block 16, the clamping block 10 is clamped on both sides of the terminal port 5, and an insulating rubber pad 11 is connected to the inner side of the clamping block 10; a switch 2 is arranged on the surface of the magnetically controlled circuit breaker 1, the switch 2 can control the opening and closing of the magnetically controlled circuit breaker 1, and a control button 3 is arranged on the surface of the magnetically controlled circuit breaker 1, and the control button 3 can control the magnetically controlled circuit breaker 1; a connecting plate 9 is arranged at the bottom of the magnetically controlled circuit breaker 1, and the connecting plate 9 is plugged into the inside of the terminal head 4, and the connecting plate 9 is connected to the inner side of the connecting plate 10. The connecting plate 9 can be connected to the wire so that the magnetically controlled circuit breaker 1 can connect the line; a threaded groove is provided at the top of the terminal head 4, a screw 7 is inserted in the threaded groove, and a pressure plate 8 is provided at the bottom of the screw 7, and the screw 7 can drive the pressure plate 8 to descend to tighten the connection between the wire and the connecting plate 9; the terminal head 4 is provided with mounting grooves 12 on both sides of the top of the screw 7, and the cover plate 6 can be inserted in the mounting groove 12, and the cover plate 6 can seal the screw 7 to prevent the screw 7 from being accidentally touched by humans, causing the screw 7 to loosen; a slot 13 is provided at the front end of the terminal head 4 and the cover plate 6, and the slot 13 runs through the terminal head 4, and an arc-shaped opening 17 is provided in the middle of the telescopic block 16, and a plug plate 18 can be inserted in the slot 13, and the plug plate 18 can squeeze the arc-shaped opening 17 of the telescopic block 16 so that the telescopic block 16 drives the clamping block 10 to extend and retract to clamp the wire.

[0022] The utility model discloses a magnetically controlled circuit breaker. When the magnetically controlled circuit breaker 1 is connected to the electric wire to pass the circuit, the front end of the electric wire is first inserted into the wiring port 5 provided at the front end of the terminal head 4. Then, by screwing the screw 7, the pressure plate 8 at the bottom of the screw 7 presses the copper wire at the front end of the electric wire onto the connecting plate 9 extending into the inside of the terminal head 4 to connect the circuit. The pressure plate 8 can press the connection between the electric wire and the connecting plate 9 tightly. Then, the cover plate 6 is inserted into the installation grooves 12 provided on both sides of the top of the screw 7 of the magnetically controlled circuit breaker 1 to seal the screw 7 to prevent the screw 7 from loosening due to human error. The cover plate 6 and the front end of the terminal head 4 are provided with a slot 13. The slot 13 The plug-in board 18 penetrates the wiring head 4, and the slot 13 is located in the middle of the telescopic slot 14. Inserting the plug-in board 18 into the slot 13 can make the arc surface at the bottom of the plug-in board 18 squeeze the arc opening 17 at the beginning of the middle of the rear end of the telescopic block 16, so that the telescopic block 16 drives the holding block 10 to extend and retract, so that the holding block 10 clamps the wires plugged in the wiring port 5 to prevent the wires from falling. The plug-in board 18 also fixes the cover plate 6 to prevent the cover plate 6 from sliding off the mounting slot 12. The inner side of the holding block 10 is connected to the insulating rubber pad 11, and the insulating rubber pad 11 protects the wires to prevent the holding block 10 from clamping the wires and preventing the wires from leaking electricity and causing safety accidents.

[0023] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A magnetically controlled circuit breaker, characterized in that: include: A magnetically controlled circuit breaker (1), wherein a terminal head (4) is provided at the bottom of the magnetically controlled circuit breaker (1), a terminal port (5) is provided at the rear end of the terminal head (4), telescopic grooves (14) are provided on both sides of the terminal port (5), a spring (15) is provided at the rear end of the telescopic groove (14), a front end of the spring (15) is connected to a telescopic block (16), a clamping block (10) is provided at the front end of the telescopic block (16), the clamping block (10) is clamped on both sides of the terminal port (5), and an insulating rubber pad (11) is connected to the inner side of the clamping block (10); A thread groove is provided at the top of the terminal head (4), a screw (7) is inserted into the thread groove, a pressing plate (8) is provided at the bottom of the screw (7), and the screw (7) can drive the pressing plate (8) to descend to tighten the connection between the wire and the connecting plate (9); The terminal head (4) is provided with mounting grooves (12) on both sides of the top of the screw (7), and a cover plate (6) can be inserted into the mounting groove (12). The cover plate (6) can seal the screw (7) to prevent the screw (7) from being accidentally touched by a person, thereby causing the screw (7) to loosen; The front ends of the wiring head (4) and the cover plate (6) are provided with a slot (13), the slot (13) penetrates the wiring head (4), the middle part of the telescopic block (16) is provided with an arc-shaped opening (17), a plug plate (18) can be inserted into the slot (13), and the plug plate (18) can press the arc-shaped opening (17) of the telescopic block (16) so that the telescopic block (16) drives the clamping block (10) to expand and contract to clamp the electric wire.

2. A magnetically controlled circuit breaker according to claim 1, characterized in that: The surface of the magnetically controlled circuit breaker (1) is provided with a switch (2), and the switch (2) can control the opening and closing of the magnetically controlled circuit breaker (1). The surface of the magnetically controlled circuit breaker (1) is also provided with a control button (3), and the control button (3) can control the magnetically controlled circuit breaker (1).

3. A magnetically controlled circuit breaker according to claim 2, characterized in that: A connecting plate (9) is provided at the bottom of the magnetically controlled circuit breaker (1). The connecting plate (9) is plugged into the interior of the terminal head (4). The connecting plate (9) can be connected to an electric wire so that the magnetically controlled circuit breaker (1) can connect the circuit.

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