CN212967556U

CN212967556U - High temperature resistant type circuit breaker shell

Info

Publication number: CN212967556U
Application number: CN202022009969.9U
Authority: CN
Inventors: 孙健
Original assignee: Wuxi Qianglian Electrical Equipment Co ltd
Current assignee: Wuxi Qianglian Electrical Equipment Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-13
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a high temperature resistant type circuit breaker shell, including bottom plate, circuit breaker body, end cover, ceramic package, fixed plate, lug, screw, limiting plate, fly leaf, cardboard, bolt and spring. The utility model discloses simple structure, convenient operation can improve the high temperature resistance performance of circuit breaker through being provided with ceramic package, and ceramic package simple to operate conveniently carries out spacing to the end cover when ceramic package installs, improves the effect of installation to can reduce the risk that the circuit breaker damaged that the external high temperature caused during operation of circuit breaker, improve the life of circuit breaker, reduce the maintenance risk of circuit breaker and the emergence of dangerous accident; the utility model discloses a bottom plate and convenient installation and the fixing that realize the circuit breaker body of screw to be provided with cardboard and fly leaf convenience and fix the screw, can avoid leading to the screw to take place the problem of droing when using for a long time, improve the installation stability of circuit breaker.

Description

High temperature resistant type circuit breaker shell

Technical Field

The utility model relates to a circuit breaker specifically is a high temperature resistant type circuit breaker housing, belongs to circuit breaker application technology field.

Background

The circuit breaker is a switching device capable of closing, bearing and opening a current under a normal circuit condition and closing, bearing and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, the circuit can be automatically cut off when faults such as serious overload, short circuit, undervoltage and the like occur, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and parts are generally not required to be changed after the fault current is.

The circuit breaker generally comprises contact system, arc extinguishing system, operating device, release and shell etc. and the circuit breaker leads to the damage of circuit breaker easily because of external high temperature service environment when using, is difficult for the long-time use of circuit breaker, and is difficult for fixing when the circuit breaker installation, and long-time use leads to the screw to take place to become flexible easily. Therefore, a high temperature resistant type circuit breaker case is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant type circuit breaker housing just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a high temperature resistant type circuit breaker housing, including circuit breaker body and the end cover that is located the bottom plate top, the mutual block of circuit breaker body and end cover is connected, and circuit breaker body and end cover all cup joint with the ceramic package activity, bottom plate top surface and fixed plate fixed connection, fixed plate inner wall rigid coupling has the lug, and fixed plate and screw threaded connection, circuit breaker body outer wall and limiting plate fixed connection, with fly leaf sliding connection between the limiting plate, and fly leaf bottom rigid coupling has the cardboard, the fly leaf middle part runs through with the bolt and pegs graft, and the bolt tip passes through spring and fly leaf fixed connection.

Preferably, the top of the bottom plate is fixedly connected with the breaker body, the edge of the bottom plate is provided with a fixing plate, and the convex block on the inner wall of the fixing plate is clamped with the outer wall of the ceramic shell.

Preferably, four screws are arranged on two sides of the bottom plate respectively, a cross-shaped groove is formed in the top of each screw, and the top end of each screw is clamped with the clamping plate.

Preferably, the number of limiting plates is four, and every two limiting plates are located circuit breaker body both sides respectively, and every limiting plate all is L shape structure.

Preferably, the movable plate is connected with the outer wall of the circuit breaker body in a sliding mode, the middle of the movable plate is connected with the bolt in a sliding mode, and the end portion of the bolt extends into the circuit breaker body.

Preferably, the square hole has been seted up to ceramic package top both sides, the opening that is used for the limiting plate to place is seted up to ceramic package bottom and be located fly leaf one side.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation can improve the high temperature resistance performance of circuit breaker through being provided with ceramic package, and ceramic package simple to operate conveniently carries out spacing to the end cover when ceramic package installs, improves the effect of installation to can reduce the risk that circuit breaker damage caused by the external high temperature of circuit breaker during operation, improve the life of circuit breaker and improve the life of circuit breaker, reduce the maintenance risk of circuit breaker and the emergence of dangerous accident;

2. the utility model discloses a bottom plate and convenient installation and the fixing that realize the circuit breaker body of screw to be provided with cardboard and fly leaf convenience and fix the screw, can avoid leading to the screw to take place the problem of droing when using for a long time, improve the installation stability of circuit breaker.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the drawings without inventive exercise.

FIG. 1 is a schematic view of the interior of the present invention;

FIG. 2 is a schematic diagram of the external side view structure of the present invention;

fig. 3 is a schematic view of the top view structure of the ceramic case of the present invention.

In the figure: 1. the circuit breaker comprises a bottom plate, 2, a breaker body, 3, an end cover, 4, a ceramic shell, 5, a fixing plate, 6, a lug, 7, a screw, 8, a limiting plate, 9, a movable plate, 10, a clamping plate, 11, a bolt, 12 and a spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Please refer to fig. 1-3, a high temperature resistant circuit breaker housing, includes circuit breaker body 2 and end cover 3 located at the top of bottom plate 1, circuit breaker body 2 and end cover 3 are connected in a clamping manner, and circuit breaker body 2 and end cover 3 are both movably sleeved with ceramic housing 4, for improving the high temperature resistant performance of circuit breaker body 2, bottom plate 1 top surface and fixed plate 5 fixed connection, fixed plate 5 inner wall rigid coupling has lug 6, and fixed plate 5 and screw 7 threaded connection, circuit breaker body 2 outer wall and limiting plate 8 fixed connection, between limiting plate 8 with fly leaf 9 sliding connection, and fly leaf 9 bottom rigid coupling has cardboard 10, fly leaf 9 middle part and bolt 11 run through grafting, and bolt 11 tip passes through spring 12 and fly leaf 9 fixed connection, is used for the spacing of fly leaf 9.

The top of the bottom plate 1 is fixedly connected with the circuit breaker body 2, the fixing plate 5 is arranged at the edge of the bottom plate 1, and the lug 6 on the inner wall of the fixing plate 5 is clamped with the outer wall of the ceramic shell 4, so that the ceramic shell 4 is conveniently fixed, the high-temperature resistance of the circuit breaker body 2 is improved, the problem of damage to the circuit breaker body 2 is avoided, and the service life of the circuit breaker body 2 is prolonged; the two sides of the bottom plate 1 are respectively provided with four screws 7, the top of each screw 7 is provided with a cross-shaped groove, and the top end of each screw 7 is clamped with the clamping plate 10 and used for limiting the screw 7, so that the problem of looseness when the bottom plate 1 is connected is avoided; the number of the limiting plates 8 is four, every two limiting plates 8 are respectively located on two sides of the circuit breaker body 2, and each limiting plate 8 is in an L-shaped structure and used for moving the movable plate 9, so that the clamping plates 10 can be conveniently driven to move simultaneously; the movable plate 9 is connected with the outer wall of the breaker body 2 in a sliding manner, the middle part of the movable plate 9 is connected with the bolt 11 in a sliding manner, and the end part of the bolt 11 extends into the breaker body 2 and is used for moving the bolt 11, so that the position of the movable plate 9 is limited conveniently; the square hole has been seted up to 4 top both sides of ceramic package, 4 bottoms of ceramic package just are located fly leaf 9 one side and offer the opening that is used for limiting plate 8 to place for ceramic package 4's installation improves the life of circuit breaker body 2.

When the utility model is used, firstly, the external power supply and the control switch of the electrical components in the device are fixed on the installation plate surface through the screw 7, then the movable plate 9 in the limiting plate 8 is moved, the movable plate 9 drives the clamping plate 10 to vertically move between the limiting plates 8, the movable plate 9 drives the limiting plate 8 to move to the screw 7, the clamping plate 10 is inserted in the cross-shaped groove at the end part of the screw 7, the screw 7 is limited, the problem that the screw 7 falls off due to long-time use is avoided, the installation stability of the breaker body 2 is improved, the using time is prolonged, when the movable plate 9 drives the bolt 11 to move to the bottom, the bolt 11 is pulled to move the movable plate 9 after the bolt 11 drives the spring 12 to stretch, when the movable plate 9 moves to the bottom of the limiting plate 8, the bolt 9 is loosened, the spring 12 in a stretching state pulls the bolt 11 to, and then realize the spacing of fly leaf 9, after the operation is accomplished, with 3 joints of end cover at 2 tops of circuit breaker body, cup joint ceramic casing 4 at

circuit breaker body

2 and 3 surfaces of end cover again, make ceramic casing 4 bottom remove to inside fixed plate 5, and realize ceramic casing 4's fixing through lug 6, make things convenient for ceramic casing 4's installation, be favorable to improving circuit breaker body 2's high temperature resistance, can reduce the risk that circuit breaker body 2 damaged 2 caused by the external high temperature of during operation, improve the life of circuit breaker, improve circuit breaker body 2's life.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A high temperature resistant type circuit breaker housing which characterized in that: including circuit breaker body (2) and end cover (3) that are located bottom plate (1) top, circuit breaker body (2) and end cover (3) block each other are connected, and circuit breaker body (2) and end cover (3) all cup joint with ceramic package (4) activity, bottom plate (1) top surface and fixed plate (5) fixed connection, fixed plate (5) inner wall rigid coupling has lug (6), and fixed plate (5) and screw (7) threaded connection, circuit breaker body (2) outer wall and limiting plate (8) fixed connection, between limiting plate (8) with fly leaf (9) sliding connection, and fly leaf (9) bottom rigid coupling has cardboard (10), fly leaf (9) middle part runs through grafting with bolt (11), and bolt (11) tip passes through spring (12) and fly leaf (9) fixed connection.

2. A high temperature resistant circuit breaker housing as claimed in claim 1, wherein: the circuit breaker is characterized in that the top of the bottom plate (1) is fixedly connected with the circuit breaker body (2), the edge of the bottom plate (1) is provided with a fixing plate (5), and a lug (6) on the inner wall of the fixing plate (5) is connected with the outer wall of the ceramic shell (4) in a clamping mode.

3. A high temperature resistant circuit breaker housing as claimed in claim 1, wherein: the novel clamping plate is characterized in that four screws (7) are arranged on two sides of the bottom plate (1) respectively, a cross-shaped groove is formed in the top of each screw (7), and the top end of each screw (7) is clamped with the clamping plate (10).

4. A high temperature resistant circuit breaker housing as claimed in claim 1, wherein: the number of the limiting plates (8) is four, every two limiting plates (8) are respectively positioned on two sides of the circuit breaker body (2), and each limiting plate (8) is of an L-shaped structure.

5. A high temperature resistant circuit breaker housing as claimed in claim 1, wherein: fly leaf (9) and circuit breaker body (2) outer wall sliding connection, fly leaf (9) middle part and bolt (11) sliding connection, and inside bolt (11) tip extended to circuit breaker body (2).

6. A high temperature resistant circuit breaker housing as claimed in claim 1, wherein: the square hole has been seted up to ceramic package (4) top both sides, ceramic package (4) bottom just is located fly leaf (9) one side and offers the opening that is used for limiting plate (8) to place.