Circuit breaker

Abstract

The utility model discloses a circuit breaker. The circuit breaker comprises a circuit breaker body and a terminal shell, the circuit breaker body is used for supporting device elements, the terminal shell is used for being connected with the circuit breaker body in a butt joint mode, and the circuit breaker body is provided with a terminal butt joint assembly, a line connection assembly and a line communication assembly; the utility model relates to the technical field of circuit breaker wiring, and has the following beneficial effects: a circuit is firstly connected to the wiring terminal through the circuit connecting assembly, and then the terminal can be quickly disassembled and assembled on a circuit breaker through the terminal butt-joint assembly, so that the terminal can be conveniently and repeatedly disassembled to complete circuit conversion; therefore, the service life of the wiring mechanism of the circuit breaker is prolonged.

Description

Technical Field

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

[0002] At present, the conventional circuit breaker wiring method on the market usually requires rotating bolts to adjust the tightness of the wiring clamp to clamp the wire cores of the wires to complete the docking. However, in circuit experiments and production inspections, when the circuits on the circuit breaker need to be disassembled and assembled repeatedly, the bolts can be easily loosened after repeated rotation, which may make it impossible to clamp the wire cores. At the same time, this method of docking requires mastering the insertion position of the wire core to complete the connection of the line. Therefore, this process is very time-consuming and inconvenient to perform repeated wiring work. Utility Model Content

[0003] To achieve the above objectives, the utility model is implemented through the following technical solutions: a circuit breaker, comprising a circuit breaker body and a terminal housing; the circuit breaker body is used to support device elements, the terminal housing is used to connect and dock with the circuit breaker body, and the circuit breaker body is provided with a terminal docking assembly, a line connection assembly and a line connection assembly;

[0004] The terminal docking assembly includes: a wiring frame, a wiring hole, a locking hole, a clamping frame, a fixing frame, a buckle frame and a spring;

[0005] The wiring frame is installed on the upper end of the terminal housing, the wiring hole is opened on the wiring frame, the clamping frame is installed on the side of the terminal housing, the locking hole is opened on the outside of the wiring frame, the terminal housing is inserted into the wiring hole and clamped on the wiring frame through the clamping frame, the buckle frame is installed on the clamping frame, the fixing frame is installed on the clamping frame and buckled on the buckle frame, and the spring is installed between the buckle frame and the fixing frame.

[0006] The line connection assembly comprises: a wiring sleeve, a handle, a rotating hole, a positive threaded rod, a negative threaded rod, a slider, a threaded sleeve and a clamping frame;

[0007] The wiring sleeve is installed on the upper end of the terminal housing, the rotating hole is opened on the side of the terminal housing, the positive threaded rod is connected to the negative threaded rod and is installed on the inner wall of the terminal housing and one end of the positive threaded rod is extended out of the terminal housing through the rotating hole, the handle is connected to the positive threaded rod, the threaded sleeve is installed inside the slider, and the slider is respectively installed on the positive threaded rod and the negative threaded rod through the threaded sleeve, and the clamping frame is arranged on both sides of the wiring sleeve at the upper end of the terminal housing and the bottom is connected to the slider.

[0008] The line connection assembly comprises: a conductor housing, a sub-bracket, a conductive core, a circuit breaker contact conductive sheet and a docking conductive sheet;

[0009] The conductor housing is installed inside the terminal housing, the sub-bracket is installed on the upper end of the conductor housing, the conductive core is installed in the conductor housing and the sub-bracket, the docking conductive sheet is installed in the wiring sleeve and connected to the conductive core, and the circuit breaker contact conductive sheet is arranged in the wiring hole.

[0010] The conductive core is exposed at the bottom of the conductor housing.

[0011] The sub-brackets need to be arranged on both sides of the positive threaded rod and the negative threaded rod.

[0012] Beneficial Effects

[0013] The circuit breaker has the following beneficial effects:

[0014] In this case, the line is first connected to the wiring terminal through the line connection component, and then the terminal can be quickly disassembled and assembled on the circuit breaker through the terminal docking component. The terminal can be easily disassembled repeatedly to complete the line conversion, thereby extending the service life of the wiring mechanism of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1-2 The figure is a schematic diagram of the three-dimensional appearance structure of a circuit breaker described in the utility model.

[0016] Figure 3 This is a schematic diagram of the front structural view of a terminal docking assembly of a circuit breaker described in the utility model.

[0017] Figure 4 The utility model is a schematic diagram of a front and sectional view of a terminal housing of a circuit breaker.

[0018] Figure 5 The utility model is a schematic side cross-sectional view of a terminal housing of a circuit breaker.

[0019] Figure 6 It is a partially enlarged schematic diagram of a split installation method of a circuit breaker described in the utility model.

[0020] Figure 7 It is a schematic diagram of a partially enlarged terminal docking assembly of a circuit breaker described in the utility model.

[0021] In the figure: 1. circuit breaker body; 2. terminal housing; 3. wiring frame; 4. wiring hole; 5. locking hole; 6. clamping frame; 7. fixing frame; 8. buckle frame; 9. spring; 10. wiring sleeve; 11. handle; 12. rotating hole; 13. positive thread rod; 14. reverse thread rod; 15. slider; 16. thread sleeve; 17. clamping frame; 18. conductor housing; 19. sub-bracket; 20. conductive core; 21. circuit breaker contact conductive sheet; 22. docking conductive sheet; DETAILED DESCRIPTION

[0022] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0023] See also Figure 1-7 , the utility model provides a technical solution.

[0024] A circuit breaker comprises a circuit breaker body 1 and a terminal housing 2; the circuit breaker body 1 is used to support device elements, the terminal housing 2 is used to connect and dock with the circuit breaker body 1, and the circuit breaker body 1 is provided with a terminal docking assembly, a line connection assembly and a line connection assembly;

[0025] The terminal docking assembly includes: a wiring frame 3, a wiring hole 4, a locking hole 5, a clamping frame 6, a fixing frame 7, a buckle frame 8 and a spring 9;

[0026] The wiring frame 3 is installed on the upper end of the terminal housing 2, the wiring hole 4 is opened on the wiring frame 3, the clamping frame 6 is installed on the side of the terminal housing 2, the locking hole 5 is opened on the outside of the wiring frame 3, the terminal housing 2 is inserted into the wiring hole 4 and clamped on the wiring frame 3 through the clamping frame 6, the buckle frame 8 is installed on the clamping frame 6, the fixing frame 7 is installed on the clamping frame 6 and buckled on the buckle frame 8, and the spring 9 is installed between the buckle frame 8 and the fixing frame 7;

[0027] It should be noted that when the terminal housing 2 needs to be connected to the wiring frame 3, the terminal housing 2 is inserted into the wiring hole 4, the clamping frame 6 is clamped on the wiring frame 3, and then the clamping frame 8 is inserted into the lock hole 5, so that the terminal housing 2 can be fixed. When the terminal housing 2 needs to be disassembled, the clamping frame 8 is pulled outward, so that the clamping frame 8 can be pulled out of the lock hole 5, so that the terminal housing 2 can be disassembled. The spring 9 can be used to reset the clamping frame 8;

[0028] The line connection assembly includes: a wiring sleeve 10, a handle 11, a rotating hole 12, a positive threaded rod 13, a reverse threaded rod 14, a slider 15, a threaded sleeve 16 and a clamping frame 17;

[0029] The wiring sleeve 10 is installed on the upper end of the terminal housing 2, the rotating hole 12 is opened on the side of the terminal housing 2, the positive thread rod 13 is connected with the reverse thread rod 14 and is installed on the inner wall of the terminal housing 2 and one end of the positive thread rod 13 is extended out of the terminal housing 2 through the rotating hole 12, the handle 11 is connected to the positive thread rod 13, the threaded sleeve 16 is installed inside the slider 15, and the slider 15 is respectively installed on the positive thread rod 13 and the reverse thread rod 14 through the threaded sleeve 16, and the clamping frame 17 is arranged on both sides of the wiring sleeve 10 at the upper end of the terminal housing 2 and the bottom is connected to the slider 15;

[0030] It should be noted that when connecting the lines, the peeled wires are inserted into the wiring sleeve 10, and then the handle 11 is rotated to drive the positive thread rod 13 and the reverse thread rod 14 to rotate, and the slider 15 can drive the clamping frame 17 on the positive thread rod 13 and the reverse thread rod 14 to move in relative directions through the threaded sleeve 16, so as to clamp and fix the wires, thereby completing the wire docking;

[0031] The line connection assembly includes: a conductor housing 18, a sub-bracket 19, a conductive core 20, a circuit breaker contact conductive sheet 21 and a docking conductive sheet 22;

[0032] The conductor housing 18 is installed inside the terminal housing 2, the sub-bracket 19 is installed on the upper end of the conductor housing 18, the conductive core 20 is installed in the conductor housing 18 and the sub-bracket 19, the docking conductive sheet 22 is installed in the wiring sleeve 10 and connected to the conductive core 20, and the circuit breaker contact conductive sheet 21 is arranged in the wiring hole 4;

[0033] It should be noted that after the terminal housing 2 is installed into the wiring hole 4, the conductive core 20 will be in contact and connected with the docking conductive sheet 22. The current can be conducted to the circuit breaker contact conductive sheet 21 of the circuit breaker itself through the branch bracket 19 and the conductive core 20 inside the conductor housing 18, thereby completing the line terminal docking process.

[0034] The conductive core 20 is exposed at the bottom of the conductor housing 18;

[0035] It should be noted that the conductive core 20 exposed at the bottom of the conductor housing 18 can facilitate line connection.

[0036] The sub-brackets 19 need to be arranged on both sides of the positive threaded rod 13 and the reverse threaded rod 14 .

[0037] It should be noted that the shape and the setting position of the sub-bracket 19 can ensure that the rotation of the positive threaded rod 13 and the reverse threaded rod 14 is not affected when the line connection is completed.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker, comprising a circuit breaker body and a terminal housing; the circuit breaker body is used to support device components, and the terminal housing is used to connect and dock with the circuit breaker body, characterized in that , the circuit breaker body is provided with a terminal docking assembly, a line connection assembly and a line connection assembly; The terminal docking assembly includes: a wiring frame, a wiring hole, a locking hole, a clamping frame, a fixing frame, a buckle frame and a spring; The wiring frame is installed on the upper end of the terminal housing, the wiring hole is opened on the wiring frame, the clamping frame is installed on the side of the terminal housing, the locking hole is opened on the outside of the wiring frame, the terminal housing is inserted into the wiring hole and clamped on the wiring frame through the clamping frame, the buckle frame is installed on the clamping frame, the fixing frame is installed on the clamping frame and buckled on the buckle frame, and the spring is installed between the buckle frame and the fixing frame; The line connection assembly comprises: a wiring sleeve, a handle, a rotating hole, a positive threaded rod, a negative threaded rod, a slider, a threaded sleeve and a clamping frame; The wiring sleeve is installed at the upper end of the terminal housing, the rotating hole is opened on the side of the terminal housing, the positive threaded rod is connected to the reverse threaded rod and installed on the inner wall of the terminal housing, and one end of the positive threaded rod is extended out of the terminal housing through the rotating hole, the handle is connected to the positive threaded rod, the threaded sleeve is installed inside the slider, and the slider is respectively installed on the positive threaded rod and the reverse threaded rod through the threaded sleeve, and the clamping frame is arranged on both sides of the wiring sleeve at the upper end of the terminal housing and the bottom is connected to the slider; The line connection assembly comprises: a conductor housing, a sub-bracket, a conductive core, a circuit breaker contact conductive sheet and a docking conductive sheet; The conductor housing is installed inside the terminal housing, the sub-bracket is installed on the upper end of the conductor housing, the conductive core is installed in the conductor housing and the sub-bracket, the butt conductive sheet is installed in the wiring sleeve and connected to the conductive core, and the circuit breaker contact conductive sheet is arranged in the wiring hole; The conductive core is exposed at the bottom of the conductor housing; The sub-brackets need to be arranged on both sides of the positive threaded rod and the negative threaded rod.

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