CN219873372U

CN219873372U - Universal circuit breaker

Info

Publication number: CN219873372U
Application number: CN202320533202.7U
Authority: CN
Inventors: 梅安舜; 潘彦甫; 施丹茜; 施晓敏; 王从锡; 施仁海
Original assignee: Minsheng Electric Co ltd
Current assignee: Minsheng Electric Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-10-20
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a universal circuit breaker, which comprises: the circuit breaker, the upper surface fixedly connected with tight spool insulating housing of circuit breaker, the surface fixedly connected with gear box tight spool insulating housing's of the outer surface fixedly connected with terminal, the inside of the tight spool insulating housing rotates and is connected with the worm, the one end of worm rotates with the inside of gear box to be connected with, the worm meshing is connected with the worm wheel, the middle part fixedly connected with worm wheel axle of worm wheel, the surface fixedly connected with gear of worm wheel axle, the gear meshing is connected with the rack, the one end fixedly connected with activity briquetting of rack. At the wiring position of circuit breaker, change traditional bolt fastening into the transmission through worm wheel and worm, drive the rack through inside gear and promote movable briquetting to fixed briquetting, press from both sides the wire in the middle of the briquetting, because worm wheel worm transmission's characteristic, can not appear reversing after its fastening and make the wire loosen take off to and pass through gear drive when tight line, make more laborsaving when wiring.

Description

Universal circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a universal circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking current under normal loop conditions, carrying and breaking current under abnormal loop conditions in a specified time, can be used for distributing electric energy, can protect a power line, prevents damage of the power line caused by improper use, and is intelligent in order to better protect and control the power line. However, the terminals of the circuit breakers on the market at present are usually fastened by bolts to compact the wires, and the bolts are easy to loosen due to factors such as vibration, so that the wires are connected in a virtual way. The Chinese patent discloses a universal circuit breaker, the application number of which is CN202120944507.8, and the influence of vibration on a circuit breaker body can be effectively reduced through the cooperation between a connecting rod and a telescopic spring, so that the looseness of a joint is avoided. But does not solve the problem that loose wires occur during use, resulting in a virtual connection of the wires.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a universal circuit breaker, wherein the traditional bolt fixing is changed into the transmission of a worm wheel and a worm at the wiring position of the circuit breaker, a rack is driven by an internal gear to push a movable pressing block to a fixed pressing block, a wire in the middle of the pressing block is clamped, the wire is not loosened due to the reverse rotation after the fastening due to the characteristic of worm and gear transmission, and the labor is saved during wiring through the gear transmission.

The utility model also provides a universal circuit breaker comprising: the circuit breaker, the upper surface fixedly connected with tight spool insulating housing of circuit breaker, the surface fixedly connected with gear box of tight spool insulating housing the surface fixedly connected with terminal of tight spool insulating housing, the inside rotation of tight spool insulating housing is connected with the worm, the one end of worm is connected with the inside rotation of gear box, the worm meshing is connected with the worm wheel, the middle part fixedly connected with worm wheel axle of worm wheel, the surface fixedly connected with gear of worm wheel axle, the gear meshing is connected with the rack, the one end fixedly connected with activity briquetting of rack.

According to the universal circuit breaker disclosed by the utility model, the inside of the gear box is provided with the sliding groove, and the rack is in sliding connection with the inside of the sliding groove. The rack can slide through the arranged chute.

According to the universal circuit breaker disclosed by the utility model, the worm wheel and the worm are arranged in the gear box, and the outer surface of the gear box is fixedly connected with the circuit breaker. The internal drive structure is mounted in an opposed position by a gear box so that it can be rotated efficiently.

According to the universal circuit breaker disclosed by the utility model, the outer surface of the binding post is provided with the wiring hole, and the inside of the wiring hole is fixedly connected with the fixed pressing block. The wire can be connected with the binding post through the wiring port, and the wire is tightly pressed by the fixed pressing block.

According to the universal circuit breaker disclosed by the utility model, the movable pressing block is movably connected in the wiring hole, and the movable pressing block and the fixed pressing block are mutually clamped. By reducing the gap between the movable pressing block and the fixed pressing block, the internal part of the movable pressing block and the wire can be pressed.

According to the universal circuit breaker disclosed by the utility model, the outer surface of the circuit breaker is fixedly connected with the switch deflector rod, and the outer surface of the circuit breaker is fixedly connected with the fixing seat. The equipment is fixed in the power distribution cabinet through the fixing seat.

According to the universal circuit breaker disclosed by the utility model, one end of the worm is fixedly connected with the cross countersunk head, and the binding post is fixedly connected with the inside of the circuit breaker through a wire. Through the cross countersunk head, the screw driver can rotate the screw driver.

According to the universal circuit breaker disclosed by the utility model, two ends of the worm wheel shaft are rotatably connected with the inside of the gear box. The internal turning structure can effectively move.

Advantageous effects

1. Compared with the prior art, the universal circuit breaker changes the traditional bolt fixation into the transmission through the worm wheel and the worm at the wiring position of the circuit breaker, and drives the rack to push the movable pressing block to the fixed pressing block through the internal gear.

2. Compared with the prior art, the universal circuit breaker clamps the lead in the middle of the pressing block, and due to the characteristics of worm gear transmission, the lead can not be loosened due to reverse rotation after the tightening, and the lead is transmitted through the gears during tightening, so that labor is saved during wiring.

Drawings

The utility model is further illustrated by the following figures and examples;

fig. 1 is an overall construction diagram of a universal circuit breaker of the present utility model;

fig. 2 is a top view of the universal circuit breaker of the present utility model;

fig. 3 is a sectional view of a terminal of the universal circuit breaker of the present utility model;

fig. 4 is a view showing an internal structure of a terminal of the universal circuit breaker of the present utility model;

fig. 5 is a bottom view of the internal structure of the terminal of the universal circuit breaker of the present utility model.

Legend description:

1. a circuit breaker; 2. tightening the spool insulating housing; 3. a gear box; 4. a switch deflector rod; 5. a fixing seat; 6. binding posts; 7. a worm; 8. a movable pressing block; 9. a worm wheel; 10. a rack; 11. a worm wheel shaft; 12. fixing the pressing block; 13. a gear; 14. a chute; 15. a cross countersunk head; 16. and a wiring hole.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 5, the universal circuit breaker according to the embodiment of the present utility model includes: the circuit breaker 1, especially a universal circuit breaker (the universal circuit breaker is used in a power distribution network with alternating current of 50Hz, rated voltage of 400V and 690V and rated current of 200A-6300A, is mainly used for distributing electric energy and protecting circuits and power supply equipment from being damaged by faults such as overload, undervoltage, short circuit, single-phase grounding and the like), has various intelligent protection functions, can perform selective protection, has accurate action, avoids unnecessary power failure and improves the power supply reliability. The surface fixedly connected with switch driving lever 4 of circuit breaker 1 for manual operation, the surface fixedly connected with fixing base 5 of circuit breaker 1. The upper surface of the circuit breaker 1 is fixedly connected with a tightening shaft insulating shell 2 for fixing internal rotating parts and providing insulating effect. The outer surface fixedly connected with gear box 3 of tight spool insulation shell 2 for install inside drive unit, the inside of gear box 3 is provided with spout 14, lets rack 10 slip, and rack 10 is at the inside sliding connection of spout 14, and the outer surface fixedly connected with terminal 6 of tight spool insulation shell 2 is used for the wiring, and the surface of terminal 6 is provided with wiring hole 16, and the inside fixedly connected with of wiring hole 16 is fixed briquetting 12 for compressing tightly the wire.

The inside rotation of tight spool insulating housing 2 is connected with worm 7, and with worm wheel 9 intermeshing rotation, and the one end fixedly connected with cross countersunk head 15 of worm 7 for with cross screwdriver interengagement, terminal 6 passes through wire and the inside fixed connection of circuit breaker 1. One end of the worm 7 is rotationally connected with the inside of the gear box 3, the worm 7 is in meshed connection with the worm wheel 9, the worm wheel 9 and the worm 7 are both arranged in the inside of the gear box 3, the outer surface of the gear box 3 is fixedly connected with the circuit breaker 1, the middle part of the worm wheel 9 is fixedly connected with a worm wheel shaft 11, and two ends of the worm wheel shaft 11 are rotationally connected with the inside of the gear box 3. The outer surface fixedly connected with gear 13 of worm-wheel shaft 11 is used for the transmission, and gear 13 meshing is connected with rack 10 for promote movable briquetting 8, and the one end fixedly connected with movable briquetting 8 of rack 10 is used for compressing tightly the wire, and movable briquetting 8 is at the inside swing joint of wiring hole 16, and movable briquetting 8 and fixed briquetting 12 each other block.

Working principle: install circuit breaker 1 in the inside of accessory case through fixing base 5, insert the inside of terminal 6 with the wire, place in the centre of activity briquetting 8 and fixed briquetting 12, through fixed connection's cross countersunk head 15 on worm 7 with the cross screwdriver instrument, rotate the cross screwdriver and make worm 7 rotate and drive worm wheel 9 rotation, follow the rotation with worm wheel 9 fixed connection's worm wheel shaft 11, the gear 13 of design on worm wheel shaft 11 drives rack 10 and removes this moment, rack 10's one end and activity briquetting 8 interconnect, activity briquetting 8 extrudees the wire to fixed briquetting 12 end this moment, make its wire fastening.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a universal circuit breaker which characterized in that includes:

the circuit breaker (1), the upper surface of circuit breaker (1) is fixedly connected with tight spool insulating housing (2), the surface of tight spool insulating housing (2) is fixedly connected with gear box (3), the surface of tight spool insulating housing (2) is fixedly connected with terminal (6);

the inside rotation of tight spool insulating housing (2) is connected with worm (7), the one end of worm (7) is connected with the inside rotation of gear box (3), worm (7) meshing is connected with worm wheel (9), the middle part fixedly connected with worm wheel axle (11) of worm wheel (9), the surface fixedly connected with gear (13) of worm wheel axle (11), gear (13) meshing is connected with rack (10), the one end fixedly connected with activity briquetting (8) of rack (10).

2. The universal circuit breaker according to claim 1, characterized in that the inside of the gear box (3) is provided with a chute (14), the rack (10) being slidingly connected inside the chute (14).

3. The universal circuit breaker according to claim 1, wherein the worm wheel (9) and the worm (7) are both arranged inside the gear box (3), and the outer surface of the gear box (3) is fixedly connected with the circuit breaker (1).

4. The universal circuit breaker according to claim 1, characterized in that the outer surface of the binding post (6) is provided with a wiring hole (16), and the inside of the wiring hole (16) is fixedly connected with a fixed pressing block (12).

5. The universal circuit breaker according to claim 1, characterized in that the movable press block (8) is movably connected inside the wiring hole (16), and the movable press block (8) and the fixed press block (12) are mutually clamped.

6. The universal circuit breaker according to claim 1, wherein the outer surface of the circuit breaker (1) is fixedly connected with a switch deflector rod (4), and the outer surface of the circuit breaker (1) is fixedly connected with a fixing seat (5).

7. The universal circuit breaker according to claim 1, characterized in that one end of the worm (7) is fixedly connected with a cross countersunk head (15), and the binding post (6) is fixedly connected with the inside of the circuit breaker (1) through a wire.

8. A universal circuit breaker according to claim 1, characterized in that the two ends of the worm wheel shaft (11) are in rotational connection with the inside of the gearbox (3).