CN210897156U

CN210897156U - Reclosing circuit breaker

Info

Publication number: CN210897156U
Application number: CN201921875335.2U
Authority: CN
Inventors: 周如兵; 董圆圆; 陈杰灿; 郑旭强
Original assignee: Zhongqun Electric Co ltd
Current assignee: Zhongqun Electric Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-30
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a reclosing circuit breaker, which comprises a circuit breaker main body and a wire holder module which is fixedly connected with the end of an electric wire; the upper end and the lower end of the breaker main body are respectively provided with a clamping groove for inserting the wire holder module, and a conductive bottom plate is fixed at the bottom of each clamping groove; the bottom surface of the wire holder module is provided with an electric connecting block, so that an electric wire is conducted with an internal circuit of the breaker main body through the electric connecting block and the conductive bottom plate; adopt dismantled and assembled integrated configuration between circuit breaker main part and the connection terminal, compare with prior art, need not to carry out the wiring operation in narrow and small space, make the installation more convenient and fast.

Description

Reclosing circuit breaker

Technical Field

The utility model belongs to the technical field of electrical equipment, especially, relate to a reclosing circuit breaker.

Background

Circuit breakers, also known as automatic air switches, can be used to switch on and off a load circuit, and also to control motors that are not activated frequently. The function of the protector is equivalent to the sum of the functions of part or all of the electric appliances such as a knife switch, an overcurrent relay, a voltage loss relay, a thermal relay, a leakage protector and the like, and the protector is an important protective electric appliance in a low-voltage distribution network. The wiring mode of present circuit breaker has the board before, behind the board, bayonet, drawer type, under the condition that does not have special requirement, generally adopts board preceding formula wiring structure, nevertheless whatever kind of wiring mode, the connection terminal is a body structure with the circuit breaker main part, installs the circuit breaker after, inserts the electric wire in the connection terminal again in proper order and connects, to installing the circuit breaker that uses additional, its mounted position all is the wall inslot, and the space is extremely narrow, and connection of electric lines is extremely difficult, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a reclosing circuit breaker adopts dismantled and assembled integrated configuration between circuit breaker main part and the connection terminal, compares with prior art, need not to carry out the operation of working a telephone switchboard in narrow and small space, makes the installation more convenient and fast.

The utility model discloses a reclosing circuit breaker, which comprises a breaker main body and a wire holder module fixedly connected with the end of an electric wire; the upper end and the lower end of the breaker main body are respectively provided with a clamping groove for inserting the wire holder module, a conductive bottom plate is fixed at the bottom of the clamping groove, and the conductive bottom plate is communicated with an internal circuit of the breaker main body; the bottom surface of the wire holder module is provided with an electric connecting block, so that an electric wire is conducted with an internal circuit of the breaker main body through the electric connecting block and the conductive bottom plate, and the breaker main body is a structure of the existing breaker structure except the wire holder; can pull down the connection terminal earlier during the installation and connect at the electric wire end, with the connection terminal cartridge in the circuit breaker main part again after the circuit breaker main part has been installed, when installation space is narrower, the cartridge connection terminal module is easy more than traditional wiring operation for the installation of circuit breaker, wiring are more convenient, practice thrift installation time, ensure the wiring quality.

Further, the wire holder module comprises an insulating base, a screw and a conductive baffle; the wire connecting structure is characterized in that the insulating base is provided with a wiring groove, the conductive baffle is vertically fixed on the inner wall of the wiring groove, the screw is connected with the insulating base through threads and is perpendicular to the center of the conductive baffle, a wire connector is inserted into the wiring groove of the insulating base during connection, the screw is screwed up to clamp an electric wire, and meanwhile, the electric wire is in contact conduction with the conductive baffle.

Further, the electric connection block is fixed on the bottom surface of the insulating base, a conductor connected between the electric connection block and the conductive baffle is arranged in the insulating base, after the electric wire is connected, the electric wire is conducted with the electric connection block through the conductive baffle and the conductor, and after the wiring seat module is inserted into the clamping groove in the breaker main body, the electric wire can be conducted with the conductive bottom plate.

Furthermore, slide rails protruding towards the side surface are arranged on the left side and the right side of the bottom end of the insulating base; the bottom lateral wall of draw-in groove is corresponding to be equipped with the spout, makes the connection terminal module can only insert the draw-in groove from the side of circuit breaker main part in, can carry out effectual location through the cooperation of slide rail and spout to ensure to keep structural stability under the tractive effect that receives the electric wire, avoid the connection terminal module to drop.

Further, the bottom surface of electric connection block is the cambered surface of downward bulge, the top surface of electrically conductive bottom plate is corresponding to be the cambered surface of indent, and the protrusion of cambered surface or sunken range are not more than 0.5mm, and electric connection block adopts the reed to make, has certain elastic deformation performance, does not hinder the cartridge of connection terminal module, and can produce certain positioning action with the cooperation of electrically conductive bottom plate after the installation.

The utility model has the advantages that: the utility model discloses a reclosing lock circuit breaker, with adopting dismantled and assembled integrated configuration between circuit breaker main part and the connection terminal, can pull down the connection terminal earlier during the installation and connect at the electric wire end, compare with prior art with the connection terminal cartridge in the circuit breaker main part after the circuit breaker main part has installed, need not to carry out the wiring operation in narrow and small space, make the installation more convenient and fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of the reclosing circuit breaker of fig. 1.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 and 2: the reclosing circuit breaker comprises a circuit breaker main body 3 and a wire holder module 2, wherein the wire holder module 2 is fixedly connected with the end of an electric wire 1; the upper end and the lower end of the breaker main body 3 are respectively provided with a clamping groove for inserting the wire holder module 2, a conductive bottom plate 8 is fixed at the bottom of the clamping groove, and the conductive bottom plate 8 is communicated with an internal circuit of the breaker main body 3; the bottom surface of the wire holder module 2 is provided with an electric connection block 7, so that the electric wire 1 is conducted with an internal circuit of the breaker main body 3 through the electric connection block 7 and a conductive bottom plate 8, and the breaker main body 3 is a structure of the existing breaker structure except the wire holder; can pull down the connection terminal earlier during the installation and connect at 1 end of electric wire, install the back with the connection terminal cartridge on circuit breaker main part 3 again in circuit breaker main part 3, when installation space is narrower, cartridge connection terminal module 2 is easy more than traditional wiring operation for the installation of circuit breaker, wiring are more convenient, practice thrift installation time, ensure the wiring quality.

In this embodiment, the wire holder module 2 includes an insulating base 6, a screw 5, and a conductive baffle 4; the insulating base 6 is provided with a wiring groove, the conductive baffle 4 is vertically fixed on the inner wall of the wiring groove, the screw 5 is connected with the insulating base through threads and is perpendicular to the center of the conductive baffle 4, a connector 1 of the electric wire is inserted into the wiring groove of the insulating base 6 during connection, the screw 5 is screwed down to clamp the electric wire 1, and meanwhile, the electric wire 1 is in contact conduction with the conductive baffle 4.

In this embodiment, the electric connection block 7 is fixed on the bottom surface of the insulating base 6, a conductor connected between the electric connection block 7 and the conductive baffle plate 4 is arranged in the insulating base 6, after the electric wire 1 is connected, the electric wire 1 is conducted with the electric connection block 7 through the conductive baffle plate 4 and the conductor, and after the wire holder module 2 is inserted into the clamping groove in the breaker main body 3, the electric wire 1 can be conducted with the conductive bottom plate 8.

In this embodiment, the left side and the right side of the bottom end of the insulating base 6 are provided with slide rails protruding towards the side surfaces; the bottom lateral wall of draw-in groove is corresponding to be equipped with the spout, makes wire holder module 2 can only insert the draw-in groove from the side of circuit breaker main part 3 in, can carry out effectual location through the cooperation of slide rail with the spout to ensure to keep structural stability under the tractive effect that receives electric wire 1, avoid wire holder module 2 to drop.

In this embodiment, the bottom surface of electric connection block 7 is the cambered surface of downward bulge, the top surface of electrically conductive bottom plate 8 is corresponding to be the cambered surface of indent, and the range of the bulge or the sunken of cambered surface is not more than 0.5mm, and electric connection block 7 adopts the reed to make, has certain elastic deformation performance, does not hinder connection terminal module 2's cartridge, and can produce certain positioning action with the cooperation of electrically conductive bottom plate 8 after the installation.

Finally, it should be noted that: 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A reclosing circuit breaker, its characterized in that: the circuit breaker comprises a circuit breaker main body and a wire holder module which is fixedly connected with an end of an electric wire; the upper end and the lower end of the breaker main body are respectively provided with a clamping groove for inserting the wire holder module, and a conductive bottom plate is fixed at the bottom of each clamping groove; the bottom surface of the wire holder module is provided with an electric connection block, so that an electric wire is conducted with an internal circuit of the breaker main body through the electric connection block and the conductive bottom plate.

2. The reclosing circuit breaker of claim 1, wherein: the wire holder module comprises an insulating base, a screw and a conductive baffle; the insulating base is provided with a wiring groove, the conductive baffle is vertically fixed on the inner wall of the wiring groove, and the screw is connected to the insulating base through threads and is perpendicular to the center of the conductive baffle.

3. The reclosing circuit breaker of claim 2, wherein: the electric connection block is fixed on the bottom surface of the insulating base, and a conductor connected between the electric connection block and the conductive baffle is arranged in the insulating base.

4. The reclosing circuit breaker of claim 3, wherein: the left side and the right side of the bottom end of the insulating base are provided with slide rails protruding towards the side surface; and the side wall of the bottom end of the clamping groove is correspondingly provided with a sliding groove.

5. The reclosing circuit breaker of claim 4, wherein: the bottom surface of the electric connection block is a cambered surface protruding downwards, and the top surface of the conductive bottom plate is correspondingly an inwards concave cambered surface.