CN213519814U

CN213519814U - Plug-in circuit breaker

Info

Publication number: CN213519814U
Application number: CN202023151851.6U
Authority: CN
Inventors: 高士龙; 赵阔
Original assignee: Wenzhou Nuop Electric Technology Co ltd
Current assignee: Wenzhou Nuop Electric Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-06-22
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a plug-in circuit breaker, including circuit breaker main part, card fastener, back lid and mount pad, the inside top of circuit breaker main part is provided with a plurality of inlet openings, and the both ends of the inside one side of circuit breaker main part all are provided with the jack, the outside all fixedly connected with connecting blocks in both sides of circuit breaker main part, and the inside of connecting block is provided with the draw-in groove, the intermediate position fixedly connected with card fastener of back lid one side, and the inside all first springs of fixedly connected with in both sides of card fastener. The utility model discloses an intermediate position fixedly connected with fastener in back lid one side, the line card board that can push the inside both sides of fastener removes, makes it can extrude first spring, can clamp the pencil card after the installation in the inside of fastener this moment, and then the line card board can receive the elasticity of first spring and press from both sides tightly spacing to the pencil, and the setting of silica gel pad can avoid causing the damage to the pencil in the extrusion, has then avoided the pencil to cause its installation to drop in dragging.

Description

Plug-in circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a plug-in circuit breaker.

Background

The circuit breaker is a switching device which can close, bear and break current under normal circuit conditions, and can close, bear and break current under abnormal circuit conditions within a specified time, and the existing plug-in circuit breaker has many problems in the using process, and the specific problems are as follows:

1. the existing plug-in circuit breaker can not be conveniently installed in the using process, so that the use of the existing plug-in circuit breaker is inconvenient;

2. in the use process of the existing plug-in circuit breaker, the rear cover is inconvenient to disassemble and assemble, so that the internal maintenance of the plug-in circuit breaker is troublesome;

3. the existing plug-in circuit breaker has no limiting structure of a wiring harness in the using process, and the wiring harness is easy to install and fall off in pulling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug-in circuit breaker to solve the installation that can not be convenient that proposes in the above-mentioned background art, the dismouting of back lid is inconvenient, does not have the limit structure scheduling problem of pencil.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plug-in circuit breaker, includes circuit breaker main part, card fastener, back lid and mount pad, the inside top of circuit breaker main part is provided with a plurality of inlet ports, and the both ends of the inside one side of circuit breaker main part all are provided with the jack, the outside all fixedly connected with connecting blocks in both sides of circuit breaker main part, and the inside of connecting block is provided with the draw-in groove, the inside one side swing joint of circuit breaker main part has the back lid, and the inside both sides of back lid all are provided with hollow groove, the intermediate position fixedly connected with card fastener of back lid one side, and the inside first spring of all fixedly connected with in both sides of card fastener, the bottom of circuit breaker main part is provided with.

Preferably, both ends of connecting block one side are all fixedly connected with fixation nut, and fixation nut's inside swing joint has spacing bolt, fixation nut's inside is provided with the internal thread, and the outside of spacing bolt is provided with the external screw thread that matches with the fixation nut internal thread.

Preferably, one side of the first spring is fixedly connected with a wire clamping plate, and the middle position of one side of the wire clamping plate is fixedly connected with a silica gel pad.

Preferably, the bottom end inside the hollow groove is fixedly connected with a second spring, and the top end of the second spring is slidably connected with a sliding block.

Preferably, one side fixedly connected with pull rod of sliding block, and the top fixedly connected with inserted bar of sliding block.

Preferably, both sides of the inside of the mounting seat are fixedly connected with inserting blocks, and both ends of the inside of the inserting blocks are provided with limiting holes.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this kind of plug-in circuit breaker, through the mount pad that sets up in the bottom of circuit breaker main part, with mount pad fixed mounting after suitable position, the circuit breaker main part can just insert to the mount pad, then inside the inserted block can slow insertion groove, can rotate spacing bolt in fixation nut's inside this moment, then spacing bolt can be at the inside removal of fixation nut, and make spacing bolt can insert inside the spacing hole, thereby realize the spacing installation to the circuit breaker main part, then comparatively simple and convenient when installing the circuit breaker main part.

(2) This kind of plug-in circuit breaker, both sides through inside the circuit breaker main part set up the jack, the pull rod that can stimulate both sides drives the sliding block and slides at hollow inslot portion, thereby make the sliding block can drive the inserted bar shrink, and make it can extrude the second spring, cover the back in circuit breaker main part one side this moment, the sliding block can receive the elasticity of second spring to drive the inserted bar and insert inside the jack, thereby realize the fixed of back lid, can realize its dismantlement on the same principle, then can be convenient carry out the dismouting to the back lid, it is comparatively simple and convenient when making the inside maintenance of circuit breaker main part.

(3) This kind of plug-in circuit breaker, through the intermediate position fixedly connected with fastener in back lid one side, can push the removal of the fastener board of the inside both sides of fastener, make it can extrude first spring, can block the pencil card after the installation in the inside of fastener this moment, then the fastener board can receive the elasticity of first spring and press from both sides tightly spacing to the pencil, and the setting of silica gel pad can avoid causing the damage to the pencil in the extrusion, has then avoided the pencil to cause its installation to drop in dragging.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic rear view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a front view structure diagram of the mounting base of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a circuit breaker main body; 101. a wire inlet; 102. a jack; 2. connecting blocks; 201. a card slot; 202. fixing a nut; 203. a limit bolt; 3. a wire clamping clip; 301. a first spring; 302. a silica gel pad; 303. a wire clamping plate; 4. a rear cover; 401. a slider; 402. a hollow groove; 403. a second spring; 404. a pull rod; 405. inserting a rod; 5. a mounting seat; 501. inserting a block; 502. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a plug-in circuit breaker comprises a circuit breaker main body 1, a wire clip 3, a rear cover 4 and a mounting seat 5, wherein a plurality of wire inlets 101 are arranged at the top end inside the circuit breaker main body 1, and both ends of one side inside the circuit breaker main body 1 are provided with insertion holes 102, both sides of the outside of the circuit breaker main body 1 are fixedly connected with connecting blocks 2, a clamping groove 201 is arranged in the connecting block 2, two ends of one side of the connecting block 2 are fixedly connected with fixing nuts 202, and the inside of the fixing nut 202 is movably connected with a limit bolt 203, the inside of the fixing nut 202 is provided with internal threads, and the outer part of the limit bolt 203 is provided with an external thread matching with the internal thread of the fixing nut 202, the limit bolt 203 can be rotated in the fixing nut 202, the limiting bolt 203 can move inside the fixing nut 202, and the limiting bolt 203 can be inserted into the limiting hole 502, so that the limiting installation of the breaker main body 1 is realized;

one side inside the breaker main body 1 is movably connected with a rear cover 4, two sides inside the rear cover 4 are both provided with hollow grooves 402, the bottom end inside the hollow grooves 402 is fixedly connected with a second spring 403, the top end of the second spring 403 is slidably connected with a sliding block 401, one side of the sliding block 401 is fixedly connected with a pull rod 404, and the top end of the sliding block 401 is fixedly connected with an inserted rod 405, so that the rear cover 4 can be conveniently disassembled and assembled, and the inside of the breaker main body 1 can be conveniently overhauled;

the middle position of one side of the rear cover 4 is fixedly connected with the wire clamping clamp 3, two sides of the interior of the wire clamping clamp 3 are fixedly connected with the first spring 301, one side of the first spring 301 is fixedly connected with the wire clamping plate 303, the middle position of one side of the wire clamping plate 303 is fixedly connected with the silica gel pad 302, and the arrangement of the silica gel pad 302 can avoid damage to the wire harness in extrusion and avoid installation and falling of the wire harness in pulling;

the bottom of circuit breaker main part 1 is provided with mount pad 5, and the inside both sides of mount pad 5 are all fixedly connected with inserted block 501, and the inside both ends of inserted block 501 all are provided with spacing hole 502, and circuit breaker main part 1 can just insert to mount pad 5, then inside inserted block 501 can be slowly inserted the draw-in groove 201.

The working principle is as follows: when the circuit breaker is used, the pull rods 404 on two sides can be pulled to drive the sliding block 401 to slide in the hollow groove 402, so that the sliding block 401 can drive the insertion rod 405 to contract and can extrude the second spring 403, at the moment, the rear cover 4 is covered on one side of the circuit breaker main body 1, the sliding block 401 can be driven by the elastic force of the second spring 403 to drive the insertion rod 405 to be inserted into the insertion hole 102, so that the rear cover 4 can be fixed, similarly, the disassembly can be realized, the rear cover 4 can be conveniently disassembled and assembled, so that the maintenance of the interior of the circuit breaker main body 1 is simple and convenient, after the installation seat 5 is fixedly installed at a proper position, the circuit breaker main body 1 can be inserted into the installation seat 5, the insertion block 501 can be slowly inserted into the clamping groove 201, at the moment, the limit bolt 203 can be rotated in the fixing nut 202, the limit bolt 203 can move in the fixing nut 202, and the limit bolt 203 can, thereby realize the spacing installation to circuit breaker main part 1, then it is comparatively simple and convenient when installing use to circuit breaker main part 1, can push the calorie of line board 303 of the inside both sides of calorie of fastener 3 and remove, make it can extrude first spring 301, can be with the pencil card after the installation in the inside of calorie of fastener 3 this moment, then calorie of line board 303 can receive the elasticity of first spring 301 and press from both sides tight spacing to the pencil, and the setting of silica gel pad 302 can avoid causing the damage to the pencil in the extrusion, then avoided the pencil to cause its installation to drop in dragging.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a plug-in circuit breaker, includes circuit breaker main part (1), fastener (3), back lid (4) and mount pad (5), its characterized in that: the circuit breaker comprises a circuit breaker main body (1), wherein the top end of the interior of the circuit breaker main body (1) is provided with a plurality of wire inlets (101), the two ends of one side of the interior of the circuit breaker main body (1) are provided with jacks (102), the two sides of the exterior of the circuit breaker main body (1) are fixedly connected with connecting blocks (2), the interior of each connecting block (2) is provided with a clamping groove (201), one side of the interior of the circuit breaker main body (1) is movably connected with a rear cover (4), the two sides of the interior of the rear cover (4) are provided with hollow grooves (402), the middle position of one side of the rear cover (4) is fixedly connected with a wire clamping clamp (3), the two sides of the interior of the wire clamping clamp (3) are fixedly connected with first springs.

2. A plug-in circuit breaker as claimed in claim 1, characterized in that: the connecting block is characterized in that two ends of one side of the connecting block (2) are fixedly connected with fixing nuts (202), the fixing nuts (202) are movably connected with limiting bolts (203), internal threads are arranged inside the fixing nuts (202), and external threads matched with the internal threads of the fixing nuts (202) are arranged outside the limiting bolts (203).

3. A plug-in circuit breaker as claimed in claim 1, characterized in that: one side fixedly connected with card line board (303) of first spring (301), and the intermediate position fixedly connected with silica gel pad (302) of card line board (303) one side.

4. A plug-in circuit breaker as claimed in claim 1, characterized in that: the bottom end inside the hollow groove (402) is fixedly connected with a second spring (403), and the top end of the second spring (403) is slidably connected with a sliding block (401).

5. A plug-in circuit breaker as claimed in claim 4, characterized in that: one side fixedly connected with pull rod (404) of sliding block (401), and the top fixedly connected with inserted bar (405) of sliding block (401).

6. A plug-in circuit breaker as claimed in claim 1, characterized in that: the mounting base is characterized in that the two sides inside the mounting base (5) are fixedly connected with inserting blocks (501), and limiting holes (502) are formed in the two ends inside the inserting blocks (501).