CN220585165U

CN220585165U - Automatic tripping circuit breaker

Info

Publication number: CN220585165U
Application number: CN202322067948.6U
Authority: CN
Inventors: 杨朋; 褚海东; 魏延辉; 曹建鹏
Original assignee: Beijing Tongshi Switch Technology Co ltd
Current assignee: Beijing Tongshi Switch Technology Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-03-12
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses an automatic tripping circuit breaker, which comprises a circuit breaker main body, wherein a wiring hole for connecting a circuit is formed in one side wall of the circuit breaker main body, a structure seat is arranged outside the side wall of the wiring hole of the circuit breaker main body, mounting pieces are arranged at two ends of the structure seat, a threading groove opposite to the wiring hole is formed in the structure seat, and a clamping mechanism capable of clamping the circuit is arranged at the edge of the inner side of the threading groove.

Description

Automatic tripping circuit breaker

Technical Field

The utility model relates to the technical field of circuit equipment, in particular to an automatic tripping circuit breaker.

Background

A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time.

The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like. And the parts are not required to be changed after breaking the fault current.

The existing automatic tripping circuit breaker still has certain defects: when the existing automatic tripping circuit breaker is used, most of the circuit is connected from the rear, most of the circuit is connected at will in a bending mode at the rear of the circuit breaker, and a mechanism for arranging the flat cable is not helpful, so that the condition that the circuit is staggered and easy to have overhigh temperature to cause short circuit in the actual use process, and the subsequent use is affected.

Disclosure of Invention

The utility model aims to provide an automatic tripping circuit breaker so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic circuit breaker of tripping operation, includes the circuit breaker main part, a circuit breaker main part lateral wall is provided with the wiring hole that is used for connecting the circuit, the circuit breaker main part sets up the lateral wall of wiring hole and is provided with the structure seat outward, structure seat both ends are provided with the installed part, set up the threading groove just to the wiring hole on the structure seat, threading groove inboard edge is provided with the fixture that can hold the circuit, the structure seat inboard is provided with the backing plate mechanism that can just to fixture.

Preferably, the fixture includes locating shaft, collar, torsion spring, holder and antenna ring piece, the locating shaft is on a parallel with the length direction of threading groove, and the locating shaft rotates and sets up in the structure seat inboard, the collar is fixed to be set up in the locating shaft outside, torsion spring encircles and sets up outside the locating shaft, and torsion spring one end is connecting the collar, the holder cover is established outside the locating shaft, and holder one end edge is connecting torsion spring, antenna ring piece is fixed to be set up in the one side that the holder kept away from the locating shaft.

Preferably, the antenna ring block is a rubber ring block, and the bottom end of the antenna ring block is provided with a ring groove attached to the diameter of the wiring hole.

Preferably, the side wall of the breaker main body is provided with a plurality of wiring holes, the number of the clamping mechanisms is the same as that of the wiring holes, and the clamping mechanisms are in one-to-one correspondence with the wiring holes.

Preferably, the backing plate mechanism comprises a base plate, a sliding vertical frame, an arc backing plate and a reset spring, wherein the base plate is fixedly arranged on the inner side of the structural seat, the sliding vertical frame is slidably mounted on the base plate in the vertical direction, the arc backing plate is arranged at one end, close to the clamping mechanism, of the sliding vertical frame, the reset spring is arranged at one end, far away from the arc backing plate, of the sliding vertical frame, and acts on the sliding vertical frame, so that the sliding vertical frame keeps a trend of sliding towards one side of the clamping mechanism.

Preferably, a plurality of sliding uprights are arranged on the base plate in parallel, and the sliding uprights are in one-to-one correspondence with the clamping mechanisms.

Preferably, one side of the arc-shaped base plate, which is close to the wire penetrating groove, is lower than the other side, and the cambered surface at the end part of the arc-shaped base plate faces the antenna loop block.

Preferably, the mounting piece comprises a mounting base plate, two locking studs and a backing ring, wherein the two mounting base plates are symmetrically arranged at two ends of the structural base in a group, the locking studs are perpendicular to the side wall of the mounting base plate and penetrate through threads, and the backing ring is arranged at the joint of the locking studs and the mounting base plate.

The utility model has the technical effects and advantages that:

1. when the circuit breaker is used, a circuit can pass through the threading groove of the structure seat, at the moment, the circuit is extruded with the contact ring block, so that the clamping frame is outwards rotated and is extruded with the torsion spring, meanwhile, the extruded arc-shaped base plate and the sliding vertical frame are downwards moved, the circuit is connected into the wiring hole of the circuit breaker main body, at the moment, the contact ring block and the arc-shaped base plate are clamped by the upper end and the lower end of the circuit under the torsion of the torsion spring and the elasticity of the reset spring, and the wiring is realized by respectively clamping each circuit, so that the circuit is prevented from being bent and staggered, and the circuit breaker is safer to use.

2. When the anti-rust mounting bracket is mounted, the locking stud on the mounting base plate can be screwed into the bracket or the wall to finish locking, and the backing ring can be prevented from being rusted and locked at the joint of the locking stud and the mounting base plate, so that the anti-rust mounting bracket is more convenient to assemble and disassemble.

Drawings

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

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of the back structure of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;

fig. 5 is a sectional view in the direction B-B of fig. 3.

In the figure: 1. a breaker main body; 2. a wiring hole; 3. a structural seat; 4. a mounting member; 401. installing a backing plate; 402. locking the stud; 403. a backing ring; 5. a wire penetrating groove; 6. a clamping mechanism; 601. positioning a shaft; 602. a mounting ring; 603. a torsion spring; 604. a clamping frame; 605. a antenna loop block; 7. a backing plate mechanism; 701. a substrate; 702. a sliding vertical frame; 703. an arc-shaped backing plate; 704. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an automatic tripping's circuit breaker, includes circuit breaker main part 1, circuit breaker main part 1 is the low voltage circuit breaker that can automatic trip, and circuit breaker main part 1 side wall is provided with the wiring hole 2 that is used for connecting the circuit, and circuit breaker main part 1 sets up the lateral wall of wiring hole 2 and is provided with structure seat 3 outward, and structure seat 3 both ends are provided with installed part 4, have seted up on the structure seat 3 just to wiring hole 2's threading groove 5, and threading groove 5 inboard edge is provided with fixture 6 that can the centre gripping circuit, and structure seat 3 inboard is provided with the backing plate mechanism 7 that can just fixture 6.

The fixture 6 includes locating shaft 601, collar 602, torsion spring 603, carriage 604 and antenna ring piece 605, and locating shaft 601 is on a parallel with the length direction of threading groove 5, and locating shaft 601 rotates and sets up in structure seat 3 inboard, and collar 602 is fixed to be set up in the locating shaft 601 outside, and torsion spring 603 encircles and sets up outside locating shaft 601, and torsion spring 603 one end is being connected collar 602, and carriage 604 cover is established outside locating shaft 601, and carriage 604 one end edge is connected torsion spring 603, and antenna ring piece 605 is fixed to be set up in carriage 604 one side of keeping away from locating shaft 601.

The antenna ring block 605 is a rubber ring block, and the bottom end of the antenna ring block 605 is provided with a ring groove attached to the diameter of the wiring hole 2.

The side wall of the breaker main body 1 is provided with a plurality of wiring holes 2, the number of the clamping mechanisms 6 is the same as that of the wiring holes 2, and the clamping mechanisms 6 are in one-to-one correspondence with the wiring holes 2.

The backing plate mechanism 7 comprises a base plate 701, a sliding stand 702, an arc backing plate 703 and a return spring 704, wherein the base plate 701 is fixedly arranged on the inner side of the structural seat 3, the sliding stand 702 is slidably mounted on the base plate 701 in the vertical direction, the arc backing plate 703 is arranged at one end of the sliding stand 702 close to the clamping mechanism 6, the return spring 704 is arranged at one end of the sliding stand 702 far away from the arc backing plate 703, and the return spring 704 acts on the sliding stand 702, so that the sliding stand 702 keeps a sliding trend towards one side of the clamping mechanism 6.

The plurality of sliding uprights 702 are arranged on the base plate 701 in parallel, and the sliding uprights 702 are in one-to-one correspondence with the clamping mechanisms 6.

The height of one side of the arc-shaped base plate 703 close to the wire through groove 5 is lower than that of the other side, and the arc surface of the end of the arc-shaped base plate 703 faces the antenna loop block 605.

Through the threading groove 5 with the circuit passing structure seat 3, the circuit is pressing the feeler ring piece 605 this moment for the clamping frame 604 is outer to be rotated and is pressing torsion spring 603, will press arc backing plate 703 and slip grudging post 702 simultaneously move down, insert circuit in the wiring hole 2 of circuit breaker main part 1, at this moment under torsion spring 603's torsion, feeler ring piece 605 centre gripping circuit one end, simultaneously under reset spring 704's elasticity, arc backing plate 703 will centre gripping circuit other end, utilize feeler ring piece 605 and the centre gripping stable circuit of arc backing plate 703 subtended, carry out the centre gripping with a plurality of circuits through the fixture 6 with wiring hole 2 one-to-one respectively and backing plate mechanism 7, can realize the centre gripping respectively of each circuit, realize the effect of winding displacement simultaneously, also can prevent that the circuit from buckling and crisscross, it is safer to use.

Example 2

Referring to fig. 1-5, based on the above embodiment 1, the mounting member 4 includes a mounting plate 401, locking studs 402 and a backing ring 403, wherein the two mounting plates 401 are symmetrically disposed at two ends of the structural base 3, the locking studs 402 are perpendicular to the side wall of the mounting plate 401 and are threaded through, and the backing ring 403 is disposed at the connection position between the locking studs 402 and the mounting plate 401.

By abutting the structure seat 3 on the wall or the frame body, the locking stud 402 on the mounting base plate 401 is utilized to screw into the wall or the frame to complete locking, and the backing ring 403 can be prevented from being rusted and locked at the joint of the locking stud 402 and the mounting base plate 401, so that the mounting base plate is more convenient to assemble and disassemble.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic circuit breaker of tripping operation, includes circuit breaker main part (1), its characterized in that, circuit breaker main part (1) lateral wall is provided with wiring hole (2) that are used for connecting the circuit, circuit breaker main part (1) set up lateral wall of wiring hole (2) and are provided with structure seat (3) outward, structure seat (3) both ends are provided with installed part (4), set up threading groove (5) just to wiring hole (2) on structure seat (3), threading groove (5) inboard edge is provided with fixture (6) that can hold the circuit, structure seat (3) inboard is provided with backing plate mechanism (7) that can just to fixture (6).

2. The automatic trip circuit breaker according to claim 1, wherein the clamping mechanism (6) comprises a positioning shaft (601), a mounting ring (602), a torsion spring (603), a clamping frame (604) and a contact ring block (605), the positioning shaft (601) is parallel to the length direction of the threading groove (5), the positioning shaft (601) is rotatably arranged on the inner side of the structural seat (3), the mounting ring (602) is fixedly arranged on the outer side of the positioning shaft (601), the torsion spring (603) is arranged outside the positioning shaft (601) in a surrounding manner, one end of the torsion spring (603) is connected with the mounting ring (602), the clamping frame (604) is sleeved outside the positioning shaft (601), one end edge of the clamping frame (604) is connected with the torsion spring (603), and the contact ring block (605) is fixedly arranged on one side, far away from the positioning shaft (601), of the clamping frame (604).

3. The automatic trip circuit breaker according to claim 2, wherein the antenna ring block (605) is a rubber ring block, and the bottom end of the antenna ring block (605) is provided with a ring groove with the diameter of the joint wiring hole (2).

4. The automatic trip circuit breaker according to claim 2, wherein a plurality of wiring holes (2) are provided on a side wall of the circuit breaker main body (1), the number of the clamping mechanisms (6) is the same as the number of the wiring holes (2), and the clamping mechanisms (6) are in one-to-one correspondence with the wiring holes (2).

5. The automatic trip circuit breaker according to claim 1, wherein the pad mechanism (7) includes a base plate (701), a slide stand (702), an arc-shaped pad (703) and a return spring (704), the base plate (701) is fixedly disposed inside the structural seat (3), the slide stand (702) is slidably mounted on the base plate (701) in a vertical direction, the arc-shaped pad (703) is disposed at one end of the slide stand (702) close to the clamping mechanism (6), the return spring (704) is disposed at one end of the slide stand (702) away from the arc-shaped pad (703), and the return spring (704) acts on the slide stand (702) so that the slide stand (702) maintains a tendency to slide toward the clamping mechanism (6) side.

6. The automatic trip circuit breaker according to claim 5, wherein a plurality of the sliding uprights (702) are arranged in parallel on the base plate (701), and the sliding uprights (702) are in one-to-one correspondence with the clamping mechanisms (6).

7. The automatic trip circuit breaker according to claim 5, characterized in that the arc-shaped pad (703) is lower in height near one side of the wire-passing slot (5) than the other side, and the arc-shaped pad (703) has an end arc surface facing the contact ring block (605).

8. The automatic trip circuit breaker according to claim 1, wherein the mounting member (4) comprises a mounting base plate (401), locking studs (402) and a backing ring (403), the two mounting base plates (401) are symmetrically arranged at two ends of the structural base (3) in a group, the locking studs (402) are perpendicular to the side wall of the mounting base plate (401) and penetrate through the side wall of the mounting base plate in a threaded manner, and the backing ring (403) is arranged at the joint of the locking studs (402) and the mounting base plate (401).