CN212517088U

CN212517088U - Tripping assembly on circuit breaker device

Info

Publication number: CN212517088U
Application number: CN202021596130.3U
Authority: CN
Inventors: 滕荣招
Original assignee: Zhejiang Furence Intelligent Technology Co Ltd
Current assignee: Zhejiang Furence Intelligent Technology Co Ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-02-09
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a tripping assembly on a circuit breaker device, which comprises a shell, a motor, a transmission mechanism and a tripping mechanism, wherein the motor is arranged in the shell, the motor is provided with the transmission mechanism through an output shaft, the transmission mechanism comprises a transmission gear and a multi-stage gear, the transmission gear is respectively provided with a tripping block and a matching gear, the matching gear is meshed with a handle meshing tooth on a handle through the meshing tooth, the tripping mechanism comprises a first swing arm, a second swing arm, a tripping piece and a rotating block, and the second swing arm is provided with a reset spring; the utility model has the advantages of simple and reasonable structure, the bipolar gear who constitutes through handle interlock tooth and cooperation gear realizes rotating a week and just in time is the divide-shut brake cycle, and transmission efficiency is high.

Description

Tripping assembly on circuit breaker device

Technical Field

The utility model relates to a tripping assembly on circuit breaker device belongs to low pressure electron technical field.

Background

For conventional circuit breakers, the width of the product currently produced on the market is generally the width required by the product within the enterprise standards established by the national and southern power grids, namely: 2P, 54 mm (3 modulus), 4P, 90 mm (5 modulus), and the current prepaid electricity meter dedicated circuit breaker only has the arrearage power-off function, and after the user continues to pay the prepaid electricity charge, the electricity meter can not control the automatic closing of the circuit breaker, and the circuit breaker can be powered back by manually going to the distribution box to perform the circuit breaker closing operation.

The existing circuit breaker device is different in gear design mode, the opening and closing cycle is usually too long, and remote operation cannot be effectively realized.

Disclosure of Invention

Technical problem to be solved

In order to solve the problem, the utility model provides a tripping assembly on circuit breaker device that switching-on and switching-off cycle is short.

(II) technical scheme

The utility model discloses a tripping assembly on circuit breaker device, including casing, motor, drive mechanism and tripping mechanism, be equipped with the motor in the casing, the motor is equipped with drive mechanism through output shaft, drive mechanism includes drive gear and multistage gear, be equipped with trip block and cooperation gear on the drive gear respectively, the cooperation gear passes through the interlock tooth and meshes with the handle interlock tooth on the handle, tripping mechanism includes first swing arm, second swing arm, trip piece, turning block, be equipped with the ejector pin in the second swing arm, be equipped with the overhead tank on the turning block, be equipped with reset spring in the second swing arm.

Furthermore, the transmission mechanism is formed by mutually meshing a plurality of gears, the motor is provided with an output shaft, and the output shaft is meshed with the nearest gear on the transmission mechanism to realize multi-stage speed reduction of the transmission mechanism.

Furthermore, a groove is formed in the front end of the first swing arm, a protruding portion is formed in the front end of the groove, a tripping block is arranged on the transmission gear, the tripping block is triangular in structure and can normally slide out of the groove in the first swing arm to push the first swing arm to the protruding portion at the front end, the tripping block can smoothly push the first swing arm open, and therefore equipment brake opening is achieved.

Furthermore, the handle meshing teeth are meshed with the matching gear, the number of teeth is one fourth of that of the transmission gear, the handle meshing teeth and the matching gear form a bipolar gear, and the switching-on period is just finished when the handle meshing teeth and the matching gear rotate for one circle through the structural design.

Furthermore, the tripping mechanism is arranged at the back of the shell, a cylindrical rotating shaft is arranged on the tripping piece, a rotating block and a movable contact piece are placed in the rotating shaft, one end of the rotating block and the upper end of the tripping piece are designed to be of a limiting structure, the middle end of the movable contact piece and the tripping piece are of a limiting structure, and the movable contact piece is matched with the static contact piece to form a complete tripping mechanism, so that equipment tripping is realized.

Furthermore, a top groove is formed in one side of the rotating block and designed to be a U-shaped groove, a top rod is arranged at the front end of the second swing arm and matched with the top groove, and the depth of the top groove is the movement stroke of the top rod, so that the equipment can be normally tripped.

(III) advantageous effects

Compared with the prior art, the utility model, it has following beneficial effect: the utility model has the advantages of simple and reasonable structure, the bipolar gear who constitutes through handle interlock tooth and cooperation gear realizes rotating a week and just in time is the divide-shut brake cycle, and transmission efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a trip assembly of a circuit breaker apparatus according to the present invention.

Fig. 2 is a schematic diagram of a back structure of a trip assembly of a circuit breaker apparatus according to the present invention.

Fig. 3 is an enlarged view of a portion of a trip assembly of the circuit breaker apparatus of the present invention.

1. The handle, 2, drive gear, 3, trip block, 4, second swing arm, 5, first swing arm, 6, handle interlock tooth, 7, trip spare, 8, turning block, 9, movable contact, 10, static contact, 11, cooperation gear, 12, ejector pin, 13, apical trough, 14, casing, 15, motor, 16, drive mechanism, 17, reset spring.

Detailed Description

The tripping assembly on the circuit breaker device shown in the attached drawing comprises a shell 14, a motor 15, a transmission mechanism 16 and a tripping mechanism, wherein the motor 15 is arranged in the shell 14, the motor 15 is provided with the transmission mechanism 16 through an output shaft, the transmission mechanism 16 comprises a transmission gear 2 and a multi-stage gear, the transmission gear 2 is respectively provided with a tripping block 3 and a matching gear 11, the matching gear 11 is meshed with a handle meshing tooth 6 on a handle through a meshing tooth, the tripping mechanism comprises a first swing arm 5, a second swing arm 4, a tripping piece 7 and a rotating block 8, a mandril 12 is arranged on the second swing arm 4, a jacking groove 13 is arranged on the rotating block 8, and a reset spring 17 is arranged on the second swing arm 4. The transmission mechanism 16 is driven to act under the action of the motor 15, the transmission gear 2 starts to rotate, when the tripping block 3 on the rotating gear 2 is contacted with the first swing arm 5, the matching gear 11 is meshed with the handle meshing teeth 6, when the tripping block 3 jacks the first swing arm 5, the matching gear 11 drives the handle 1 to move through the handle meshing teeth 6, and meanwhile, the first swing arm 5 drives the second swing arm 4 and the ejector rod 12 to move. The ejector rod 12 drives the return spring 17 to eject to the inner wall of the ejector groove 13, the rotating block 8 and the release fastener 7 are driven to act, and the release fastener 7 drives the movable contact spring 9 to separate so as to realize brake opening.

When the transmission gear 2 rotates for a half turn again, the tripping block 3 pushes away from the first swing arm 5, and the ejector rod 12 is reset to the initial position under the action of the reset spring 17, so that the switch-on is realized.

The transmission mechanism 16 is formed by mutually meshing a plurality of gears, and the motor 15 is provided with an output shaft which is meshed with the nearest gear on the transmission mechanism 16.

The front end of the first swing arm 5 is provided with a groove, the front end of the groove is provided with a protruding part, the transmission gear 2 is provided with a tripping block 3, the structure of the tripping block 3 is triangular, and the tripping block can normally slide out of the groove on the first swing arm 5 and prop against the protruding part at the front end.

The handle meshing teeth 6 are meshed with the matching gear 11, the number of teeth is one fourth of that of the transmission gear 2, and the handle meshing teeth 6 and the matching gear 11 form a bipolar gear.

The tripping mechanism is arranged at the back of the shell 14, the tripping element 7 is provided with a cylindrical rotating shaft, a rotating block 8 and a movable contact piece 9 are arranged in the rotating shaft, one end of the rotating block 8 and the upper end of the tripping element 7 are designed to be of a limiting structure, the middle end of the movable contact piece 9 and the tripping element 7 are of a limiting structure, and the movable contact piece 9 is matched with the static contact piece 10.

A top groove 13 is formed in one side of the rotating block 8, the top groove 13 is designed to be a U-shaped groove, a top rod 12 is arranged at the front end of the second swing arm 4, the top rod 12 is matched with the top groove 13, and the depth of the top groove 13 is the movement stroke of the top rod 12.

The utility model has the advantages of simple and reasonable structure, the bipolar gear who constitutes through handle interlock tooth and cooperation gear realizes rotating a week and just in time is the divide-shut brake cycle, and transmission efficiency is high.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A trip assembly on a circuit breaker apparatus comprising a housing (14), a motor (15), a transmission (16) and a trip mechanism, characterized in that: be equipped with motor (15) in casing (14), motor (15) are equipped with drive mechanism (16) through output shaft, drive mechanism (16) are including drive gear (2) and multi-stage gear, be equipped with trip block (3) and cooperation gear (11) on drive gear (2) respectively, handle interlock tooth (6) meshing on cooperation gear (11) and the handle through the interlock tooth, trip mechanism includes first swing arm (5), second swing arm (4), trip piece (7), turning block (8), be equipped with ejector pin (12) on second swing arm (4), be equipped with top groove (13) on turning block (8), be equipped with reset spring (17) on second swing arm (4).

2. A trip assembly on a circuit breaker apparatus as claimed in claim 1, wherein: the transmission mechanism (16) is formed by mutually meshing a plurality of gears, the motor (15) is provided with an output shaft, and the output shaft is meshed with the nearest gear on the transmission mechanism (16).

3. A trip assembly on a circuit breaker apparatus as claimed in claim 1, wherein: the front end of the first swing arm (5) is provided with a groove, the front end of the groove is provided with a protruding part, the transmission gear (2) is provided with a tripping block (3), the structure of the tripping block (3) is triangular, and the tripping block can normally slide out of the groove on the first swing arm (5) and pushes the first swing arm to the protruding part at the front end.

4. A trip assembly on a circuit breaker apparatus as claimed in claim 1, wherein: the handle meshing teeth (6) are meshed with the matching gear (11), the number of teeth is one fourth of that of the transmission gear (2), and the handle meshing teeth (6) and the matching gear (11) form a bipolar gear.

5. A trip assembly on a circuit breaker apparatus as claimed in claim 1, wherein: the tripping mechanism is arranged at the back of the shell (14), the tripping element (7) is provided with a cylindrical rotating shaft, a rotating block (8) and a movable contact piece (9) are placed in the rotating shaft, one end of the rotating block (8) and the upper end of the tripping element (7) are designed to be of a limiting structure, the middle end of the movable contact piece (9) and the tripping element (7) are of a limiting structure, and the movable contact piece (9) is matched with the static contact piece (10).

6. A trip assembly on a circuit breaker apparatus as claimed in claim 1, wherein: a top groove (13) is formed in one side of the rotating block (8), the top groove (13) is designed to be a U-shaped groove, a top rod (12) is arranged at the front end of the second swing arm (4), the top rod (12) is matched with the top groove (13), and the depth of the top groove (13) is the movement stroke of the top rod (12).