CN205900477U

CN205900477U - Circuit breaker with self -locking function

Info

Publication number: CN205900477U
Application number: CN201620858849.7U
Authority: CN
Inventors: 金英花
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-09
Filing date: 2016-08-09
Publication date: 2017-01-18
Anticipated expiration: 2026-08-09

Abstract

The utility model discloses a circuit breaker with self -locking function, including last shell, lower shell, auto -lock solenoid and auto -lock elastic rubber sheet, going up the shell and passing through the buckle with shell down and connect, it has starting switch to go up shell middle part through connection, and upside and the downside of going up the shell are equipped with inlet wire groove and wire -out grooves respectively, inlet wire groove and wire -out grooves's inboard all is equipped with the wire guide, the inner chamber upside and the downside of shell are equipped with input contact piece and output contact piece respectively down, be equipped with the connection piece between input contact piece and the output contact piece, the utility model discloses simple structure can effectually play the effect of the auto -lock of opening circuit, the safety of protective circuit breaker itself and consumer.

Description

A kind of chopper with auto-lock function

Technical field

This utility model is related to field of circuit breakers, specially a kind of chopper with auto-lock function.

Background technology

Chopper (English name: circuit-breaker, circuit breaker) is to refer to close, carry and open Electric current under normal loop condition of breaking simultaneously can close, carry and cut-off the electric current under abnormal loop condition within the time specifying Switching device.Chopper is divided into primary cut-out and low-voltage circuit breaker by its range.

Existing chopper does not have auto-lock function, therefore occurs that chopper burns in itself when using, the showing of damage As, and due to not having auto-lock function, also result in the damage of electrical equipment, cause larger economic loss.Traditional not The chopper with auto-lock function needs regular maintenance and replacing, increases unnecessary expenditure.

Utility model content

The purpose of this utility model is to provide a kind of chopper with auto-lock function, to solve in above-mentioned background technology The problem proposing.

For achieving the above object, this utility model provides a kind of following technical scheme: chopper with auto-lock function, bag Include shell, lower casing, self-locking solenoid and self-locking elastic sheet rubber, wherein: described upper shell and lower casing pass through buckle Connect, run through in the middle part of described upper shell and be connected with activate switch, and the upper side and lower side of upper shell is respectively equipped with into wire casing and goes out Wire casing, described enter wire casing and line outlet groove inner side be equipped with wire guide

The outer side edges of described lower casing are provided with installing rack, offer installing hole in the middle part of described installing rack, described lower casing Inner chamber the upper side and lower side is respectively equipped with input contact chip and outfan contact chip, described input contact chip and output end in contact It is provided with connection sheet between piece；

The middle part of described connection sheet is embedded on ceramics insulator, and described ceramics insulator is fixedly mounted on connection sheet and installs Frame top, the downside of described connection sheet installing rack is fixedly connected with self-locking rotating shaft, and the two ends of described self-locking rotating shaft are outer with lower respectively The two side of shell is rotatably connected；

The bottom of described connection sheet is fixedly connected with permanent magnet, the position of described permanent magnet and the position pair of activate switch Should, described self-locking solenoid is located at the downside of permanent magnet, and described self-locking solenoid is fixedly connected with the inwall of lower casing, and Self-locking solenoid is electrically connected with outfan contact chip；

The upper end of described connection sheet is located at the downside of input contact chip, and self-locking elastic sheet rubber is located at connection sheet upper end Downside.

Preferably, described input contact chip and outfan contact chip are equipped with three groups, and input contact chip and output Termination contact in the vertical direction corresponds to.

Preferably, the quantity of described connection sheet and permanent magnet is equipped with three groups, and described connection sheet is respectively used to connection line A, b, c three-phase, the quantity of the corresponding connection sheet of described self-locking solenoid, and be respectively positioned on the downside of connection sheet.

Preferably, described installing rack is at least provided with four groups, and is evenly arranged in the outside of lower casing.

Compared with prior art, the beneficial effects of the utility model are: this utility model passes through to add input contact chip With outfan contact chip, the break-make of control circuit can be easy to such that it is able to play the effect of open circuit, by adding self-locking electromagnetism Coil, can connect self-locking solenoid in circuit malfunctions short circuit, thus producing identical magnetic polarity with permanent magnet, Produce and repel, so that connection sheet is rotated centered on self-locking rotating shaft, through the clamping effect of self-locking elastic sheet rubber, circuit is broken Open, and ensure connection sheet will not resilience, thus playing the effect of self-locking, this utility model structure is simple, can effectively rise To the effect of breaking self-locking, the safety of protective breaker itself and electrical equipment.

Brief description

Fig. 1 is this utility model structural representation；

Fig. 2 is this utility model lower casing top view；

Fig. 3 is this utility model lower casing side view.

In figure: shell on 1,2 lower casings, 3 enter wire casing, 4 line outlet grooves, 5 wire guides, 6 installing racks, 7 installing holes, 8 inputs Contact chip, 9 outfan contact chips, 10 connection sheets, 11 ceramics insulators, 12 connection sheet installing racks, 13 self-locking rotating shafts, 14 permanent magnetism Body, 15 self-locking solenoids, 16 self-locking elastic sheet rubbers, 17 activate switches.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

Refer to Fig. 1-3, this utility model provides a kind of a kind of technical scheme: chopper with auto-lock function, including Upper shell 1, lower casing 2, self-locking solenoid 15 and self-locking elastic sheet rubber 16, upper shell 1 and lower casing 2 are by buckle even Connect, run through in the middle part of upper shell 1 and be connected with activate switch 17, the upper side and lower side of upper shell 1 is respectively equipped with into wire casing 3 and line outlet groove 4, enter wire casing 3 and the inner side of line outlet groove 4 is equipped with wire guide 5, for interting wire.

The outer side edges of lower casing 2 are provided with installing rack 6, and installing rack 6 is at least provided with four groups, and is evenly arranged in lower casing 2 Outside, offers installing hole 7 in the middle part of installing rack 6, this chopper of installation that so can be more stable, on the inner chamber of lower casing 2 Side and downside are respectively equipped with input contact chip 8 and outfan contact chip 9, and input contact chip 8 and outfan contact chip 9 are all provided with There are three groups, and input contact chip 8 is corresponding with outfan contact chip 9 in the vertical direction, input contact chip 8 and output terminate It is provided with connection sheet 10 between contact 9, by controlling the connection of connection sheet 10 and two groups of contact chips, and then control whole circuit Break-make, play protection electrical equipment effect.

The middle part of connection sheet 10 is embedded on ceramics insulator 11, and ceramics insulator 11 is fixedly mounted on connection sheet installing rack 12 tops, the downside of connection sheet installing rack 12 is fixedly connected with self-locking rotating shaft 13, the two ends of self-locking rotating shaft 13 respectively with lower casing 2 Two side be rotatably connected, when breaking down, connection sheet 10 can be made to rotate centered on self-locking rotating shaft 13, thus avoid burn Ruin chopper.

The bottom of connection sheet 10 is fixedly connected with permanent magnet 14, the position pair of the position of permanent magnet 14 and activate switch 17 Should, self-locking solenoid 15 is located at the downside of permanent magnet 14, and self-locking solenoid 15 is fixedly connected with the inwall of lower casing 2, from Lock solenoid 15 is electrically connected with outfan contact chip 9, and the quantity of connection sheet 10 and permanent magnet 14 is equipped with three groups, connection sheet 10 a, b, c three-phases being respectively used to connection line, the quantity of the corresponding connection sheet 10 of self-locking solenoid 15, and it is respectively positioned on connection sheet 10 downside, in line failure short circuit, self-locking solenoid 15 is energized, thus producing identical magnetic with permanent magnet 14 Pole, produces repulsive interaction, so that connection sheet 10 is disconnected and input contact chip 8 and outfan contact chip 9 between respectively, play The effect of open circuit protection.

The upper end of connection sheet 10 is located at the downside of input contact chip 8, and self-locking elastic sheet rubber 16 is located at connection sheet 10 The downside of upper end, under the position-limiting action of self-locking elastic sheet rubber 16, the connection sheet 10 being flicked will not touch input again Termination contact 8 and outfan contact chip 9, thus playing the effect of self-locking, until activate switch 17 is pressed by operator again, By closing of power circuit breaker.

Structure of the present utility model and principle are simple, are thus susceptible to produce and use, and are easy to keep in repair, and have preferably Breaking self-lock protection effect.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of chopper with auto-lock function, including upper shell, lower casing, self-locking solenoid and self-locking gum elastic Piece it is characterised in that: described upper shell and lower casing pass through to snap connection, and run through being connected with startup and open in the middle part of described upper shell Close, and the upper side and lower side of upper shell be respectively equipped with into wire casing and line outlet groove, described enter wire casing and line outlet groove inner side be equipped with Wire guide；

Inner chamber the upper side and lower side of described lower casing is respectively equipped with input contact chip and outfan contact chip, described input termination It is provided with connection sheet between contact and outfan contact chip；

The middle part of described connection sheet is embedded on ceramics insulator, and described ceramics insulator is fixedly mounted on connection sheet installing rack Portion, the downside of described connection sheet installing rack is fixedly connected with self-locking rotating shaft, the two ends of described self-locking rotating shaft respectively with lower casing Two side is rotatably connected；

The bottom of described connection sheet is fixedly connected with permanent magnet, and the position of described permanent magnet is corresponding with the position of activate switch, institute State the downside that self-locking solenoid is located at permanent magnet, described self-locking solenoid is fixedly connected with the inwall of lower casing, and self-locking Solenoid is electrically connected with outfan contact chip；

The upper end of described connection sheet is located at the downside of input contact chip, and self-locking elastic sheet rubber is located under connection sheet upper end Side.

2. a kind of chopper with auto-lock function according to claim 1 it is characterised in that: the outside of described lower casing While being provided with installing rack, in the middle part of described installing rack, offer installing hole.