CN219144100U

CN219144100U - Reclosing circuit breaker with manual self-locking device

Info

Publication number: CN219144100U
Application number: CN202223165537.2U
Authority: CN
Inventors: 万洲瑞; 卞十一; 黄皓
Original assignee: Zhejiang Bochuang Electric Power Technology Co ltd
Current assignee: Zhejiang Bochuang Electric Power Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-06
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a reclosing circuit breaker with a manual self-locking device, which belongs to the technical field of reclosing circuit breakers and comprises a reclosing circuit breaker body and a self-locking assembly, wherein an opening is formed in a shell of the reclosing circuit breaker body, the self-locking assembly is arranged in the reclosing circuit breaker body, one end of the self-locking assembly extends out of the opening, the self-locking assembly comprises a clamping piece and a matching piece, the matching piece is arranged in the reclosing circuit breaker body, the clamping piece is clamped on the matching piece, the clamping piece comprises a hook part, a clamping part and a limiting part, the limiting part is contacted with a trip rod in the reclosing circuit breaker body, the clamping part is clamped on the matching piece, the self-locking assembly is arranged in the conventional reclosing circuit breaker body, the position of the trip rod is manually limited through the self-locking assembly, the state that a switch cannot be closed is achieved, the overhaul safety is increased, the electric shock is prevented, the potential safety hazards caused by signal errors and abrupt closing caused by improper operation of remote operators are prevented, the self-locking assembly is small in size and convenient to operate.

Description

Reclosing circuit breaker with manual self-locking device

Technical Field

The utility model belongs to the technical field of reclosing circuit breakers, and particularly relates to a reclosing circuit breaker with a manual self-locking device.

Background

The circuit breaker with the automatic reclosing function is used for indirectly contacting and protecting people, can also be used for preventing fire hazard caused by ground fault current generated by equipment insulation damage, can be used for distributing electric energy and protecting overload and short circuit of a circuit and power supply equipment, and can also be used for infrequent switching of the circuit and infrequent starting of a motor.

The current reclosing circuit breaker is provided with a leakage protection module which is generally positioned inside the circuit breaker and the reclosing mechanism, when the leakage protection module is used for a long time, the service life of a magnetic ring in the leakage protection module is reduced, and the leakage protection module is difficult to replace, so that the whole reclosing circuit breaker can only be scrapped and disposed, and therefore, a self-locking device is needed.

The self-locking devices carried by reclosing circuit breakers in the market at present are divided into two types:

1: the volume is larger, and the beautiful appearance is affected

2: inserting piece type, ejecting the inserting piece in the operation, the inserting piece is provided with small holes and needs to be fixed by inserting bolts, and the operation is complex.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the defects of large volume and complex operation of a self-locking device of a reclosing circuit breaker in the market at present.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a reclosing circuit breaker with a manual self-locking device, which comprises a reclosing circuit breaker body and a self-locking assembly, wherein an opening is formed in a shell of the reclosing circuit breaker body, the self-locking assembly is arranged in the reclosing circuit breaker body, one end of the self-locking assembly extends out of the opening, the self-locking assembly comprises a clamping piece and a matching piece, the matching piece is arranged in the reclosing circuit breaker body, the clamping piece is clamped on the matching piece, the clamping piece comprises a hook part, a clamping part and a limiting part, the limiting part is contacted with a trip rod in the reclosing circuit breaker body, and the clamping part is clamped on the matching piece.

Preferably, the hook part, the clamping part and the limiting part on the clamping piece are of an integrated structure, the hook part is hooked on a stud on the reclosing breaker body, and the hook part is provided with an anti-skid groove.

Preferably, the clamping piece is made of plastic materials, the connection part of the clamping part, the hook part and the limiting part is of a bending structure, and the clamping part has elasticity through the bending structure.

Preferably, the matching piece is provided with a plurality of V-shaped grooves, the clamping part is provided with V-shaped bulges, and the V-shaped bulges are clamped in the V-shaped grooves.

Preferably, the reclosing circuit breaker body is internally provided with a polygonal hole, the matching piece is provided with a polygonal shaft which is used for being inserted into the polygonal hole, and the central shaft of the polygonal hole is coaxial with the center of the bending structure.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the reclosing circuit breaker with the manual self-locking device, the self-locking assembly is arranged in the traditional reclosing circuit breaker body, the position of the tripping rod is manually limited through the self-locking assembly, the state that a switch cannot be closed is achieved, the overhaul safety is improved, electric shock is prevented, potential safety hazards caused by signal errors during remote control and abrupt closing caused by improper operation of remote operators are prevented, and when the reclosing circuit breaker is used, the clamping part is transferred from one position to the other position on the matching piece to be clamped through pulling the hooking part, so that the limiting part is further used for limiting the tripping rod.

Drawings

Fig. 1 is a schematic structural view of a reclosing circuit breaker with a manual self-locking device according to the present utility model;

fig. 2 is a schematic structural view of a self-locking assembly of a recloser circuit breaker with a manual self-locking device according to the present utility model;

fig. 3 is a schematic diagram of a locking state of a self-locking assembly of a recloser circuit breaker with a manual self-locking device according to the present utility model;

fig. 4 is a schematic structural diagram of the reclosing circuit breaker with the manual self-locking device after adjustment.

Reference numerals in the schematic drawings illustrate:

100. reclosing the breaker body; 110. an opening; 120. unhooking rod;

200. a self-locking assembly; 210. a clamping piece; 211. a hook part; 212. a clamping part; 213. a limit part; 214. an anti-skid groove; 215. a bending structure; 220. a mating member; 221. v-grooves; 222. a polygonal axis.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-4, the reclosing circuit breaker with a manual self-locking device in this embodiment includes a reclosing circuit breaker body 100 and a self-locking assembly 200, an opening 110 is provided on a housing of the reclosing circuit breaker body 100, the self-locking assembly 200 is installed inside the reclosing circuit breaker body 100, one end of the self-locking assembly 200 extends out from the opening 110, the self-locking assembly 200 includes a clamping member 210 and a matching member 220, the matching member 220 is installed inside the reclosing circuit breaker body 100, the clamping member 210 is clamped on the matching member 220, the clamping member 210 includes a hook 211, a clamping portion 212 and a limiting portion 213, the limiting portion 213 is contacted with a trip lever 120 in the reclosing circuit breaker body 100, the clamping portion 212 is clamped on the matching member 220, the self-locking assembly 200 is arranged in the conventional reclosing circuit breaker body 100 through the structure, the position of the self-locking assembly 200 is manually limited, the condition that the switch cannot be closed is achieved, maintenance safety is increased, the signal error and the abrupt potential safety hazard caused by the operation of a remote operator is prevented, when the remote control is used, the clamping member 210 is clamped on the matching member 220, the other trip portion is further clamped on the trip lever 120 through the other end, and the limiting portion 212 is further clamped on the trip lever 120 by pulling the limiting portion, and the limiting portion is further convenient.

The hook 211, the clamp 212 and the limit 213 on the clamp 210 of the embodiment are integrally formed, the hook 211 is hooked on a stud on the reclosing breaker body 100, the hook 211 is provided with the anti-slip slot 214, the hook 211 is hooked on the stud on the reclosing breaker body 100, the hook 211 can be prevented from completely sinking into the reclosing breaker body 100, and through the design of the anti-slip slot 214, the hook 211 can be separated from the stud only by pressing the anti-slip slot 214 when an operator uses the clamp, and the whole clamp 210 can be further displaced.

The clamping member 210 of this embodiment is made of plastic material, the connection part between the clamping portion 212 and the hook portion 211 and the limiting portion 213 is a bending structure 215, the clamping portion 212 has elasticity through the bending structure 215, the matching member 220 of this embodiment is provided with a plurality of V grooves 221, the clamping portion 212 is provided with V-shaped protrusions, and the V-shaped protrusions are clamped in the V grooves 221.

The design is structured to facilitate the engagement of the clip 210 with the mating member 220 during use, and the displacement from the V-groove 221 on the mating member 220 into the other V-groove 221.

The reclosing circuit breaker body 100 of this embodiment is provided with a polygonal hole, the mating member 220 is provided with a polygonal shaft 222 for being inserted into the polygonal hole, the central axis of the polygonal hole is coaxial with the center of the bending structure 215, the designed structure adjusts the relative position of the mating member 220 on the reclosing circuit breaker body 100 by changing the cooperation of the polygonal shaft 222 and the polygonal hole, and further changes the bending degree of the clamping portion 212 when the clamping portion 212 is clamped in the V groove 221, and it is noted that the greater the bending degree of the clamping portion 212, the tighter the clamping with the V groove 221, and the greater force is needed for corresponding adjustment. I.e. the difficulty of adjustment is changed.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a take manual self-locking device's reclosing circuit breaker which characterized in that: including reclosing circuit breaker body (100) and auto-lock subassembly (200), be equipped with opening (110) on the casing of reclosing circuit breaker body (100), the inside at reclosing circuit breaker body (100) is installed to auto-lock subassembly (200), the one end of auto-lock subassembly (200) stretches out from opening (110), auto-lock subassembly (200) include fastener (210) and mating part (220), mating part (220) are installed in reclosing circuit breaker body (100), fastener (210) card is on mating part (220), including hook portion (211), clamping portion (212) and spacing portion (213) on fastener (210), trip lever (120) contact in spacing portion (213) and reclosing circuit breaker body (100), clamping portion (212) card is on mating part (220).

2. The reclosing circuit breaker with manual self-locking device of claim 1, wherein: the clamping piece is characterized in that a hook part (211), a clamping part (212) and a limiting part (213) on the clamping piece (210) are of an integrated structure, the hook part (211) is hooked on a stud on the reclosing circuit breaker body (100), and an anti-slip groove (214) is formed in the hook part (211).

3. The reclosing circuit breaker with manual self-locking device of claim 1, wherein: the clamping piece (210) is made of plastic materials, the joint of the clamping part (212), the hook part (211) and the limiting part (213) is a bending structure (215), and the clamping part (212) has elasticity through the bending structure (215).

4. The reclosing circuit breaker with manual self-locking device of claim 1, wherein: the matching piece (220) is provided with a plurality of V-shaped grooves (221), the clamping part (212) is provided with V-shaped bulges, and the V-shaped bulges are clamped in the V-shaped grooves (221).

5. The reclosing circuit breaker with manual self-locking device of claim 1, wherein: be equipped with the polygon hole in reclosing circuit breaker body (100), be equipped with on mating component (220) and be used for inserting polygon downthehole polygon axle (222), the center pin in polygon hole is coaxial with the center of kink structure (215).