CN215771028U

CN215771028U - Compact structure's circuit breaker

Info

Publication number: CN215771028U
Application number: CN202122079548.8U
Authority: CN
Inventors: 胡国洪; 李炜; 宋一飞
Original assignee: Zhejiang Wuxing Power Equipment Engineering Co ltd
Current assignee: Hangzhou Xinyun Electric Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-08
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a circuit breaker with compact structure, wherein a sliding device is arranged in a circuit breaker main body, connecting components are equidistantly arranged in a joint, the sliding device comprises a square plate, one end of the square plate is fixedly connected with an L-shaped rod, a clamping block is slidably connected in the circuit breaker main body, one end of the joint is fixedly connected with a compression spring, one end of the compression spring is fixedly connected in the circuit breaker main body, the outer surface of the joint is provided with a limiting hole, the joint can be ejected out of the circuit breaker main body by arranging the square plate, after a lead is connected with the joint, the joint can be retracted into the circuit breaker main body, so that the circuit breaker main body is compact as a whole, and electric shock can be prevented, the first clamping plate can automatically rise, and practicability is enhanced.

Description

Compact structure's circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with a compact structure.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. Generally, the circuit breaker can be provided with the insulating joint at both ends so as to be connected with a wire, but the joint generally protrudes out of both ends of the circuit breaker, so that the circuit breaker is integrally lengthened, and because the joint is exposed outside, electric shock and electric leakage phenomena are very easy to occur, unnecessary dangers are easy to cause, and a pressing sheet in the existing insulating head is easy to drop and the wire is easy to drop.

Accordingly, those skilled in the art have provided a compact circuit breaker to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit breaker with compact structure, which can make a joint pop out from the inside of a circuit breaker main body by arranging a square plate, can make the joint retract into the inside of the circuit breaker main body after a lead is connected with the joint, make the whole circuit breaker main body compact and prevent electric shock, can tightly interlock the lead due to the shapes of a first clamping plate and a second clamping plate, and can automatically lift the first clamping plate when a bolt rotates anticlockwise by arranging a silica gel block, thereby enhancing the practicability.

The purpose of the utility model can be realized by the following technical scheme:

a circuit breaker with a compact structure comprises a circuit breaker main body, wherein joints are arranged at two ends of the circuit breaker main body, a sliding device is arranged in the circuit breaker main body, and connecting components are arranged in the joints at equal intervals;

the sliding device comprises a square plate, an L-shaped rod is fixedly connected to one end of the square plate, a clamping block is slidably connected to the inside of the breaker main body, a compression spring is fixedly connected to one end of the joint, one end of the compression spring is fixedly connected to the inside of the breaker main body, and a limiting hole is formed in the outer surface of the joint.

As a still further scheme of the utility model: the upper surface of the clamping block is provided with a micro spring, and the clamping block slides downwards under the normal state through the elasticity of the micro spring.

As a still further scheme of the utility model: the side of the clamping block is provided with a triangular opening, and the clamping block can slide upwards by the sliding of the L-shaped rod in the clamping block.

As a still further scheme of the utility model: the diameter of the limiting hole is larger than that of the clamping block, so that clamping is facilitated.

As a still further scheme of the utility model: the surface sliding connection of square plate is in the inside of circuit breaker main part, and the one end of square plate extends to the surface of circuit breaker main part, is convenient for press the square plate.

As a still further scheme of the utility model: coupling assembling includes first splint, and the upper surface of first splint is supported and is leaned on there being the bolt, and the inside equidistance that connects is provided with the silica gel piece, and the inside that connects still is provided with the second splint, strengthens the stability after the wire installation.

As a still further scheme of the utility model: the surfaces of the first clamping plate and the second clamping plate are both wavy, and the wire can be gripped tightly.

As a still further scheme of the utility model: the surface equidistance of first splint is provided with the stopper, and the lower surface of stopper supports and leans on the upper surface at the silica gel piece, through the elasticity of silica gel piece, makes first splint can upwards slide.

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

1. through installation slider, can contract the joint, owing to set up the fixture block, can carry on spacingly to the joint, through setting up the square plate, can make to connect and pop out from the inside of circuit breaker main part, after the wire is connected well with the joint, can make the whole compactness of circuit breaker main part with the inside that connects the withdrawal circuit breaker main part to can prevent to electrocute, strengthened the security, strengthened the practicality.

2. Through setting up coupling assembling, can strengthen the stability of wire installation, because the shape of first splint and second splint, can tightly interlock the wire to through setting up the silica gel piece, when the bolt anticlockwise rotation, first splint can rise automatically, have strengthened the practicality.

Drawings

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

FIG. 2 is a schematic view of the sliding device according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a circuit breaker main body; 2. a joint; 3. a sliding device; 31. a square plate; 32. a clamping block; 33. an L-shaped bar; 34. a compression spring; 35. a limiting hole; 4. a connecting assembly; 41. a bolt; 42. a first splint; 43. a silica gel block; 44. a second splint.

Detailed Description

Example 1

As shown in fig. 1, a circuit breaker with a compact structure comprises a circuit breaker main body 1, wherein joints 2 are arranged at two ends of the circuit breaker main body 1, a sliding device 3 is arranged inside the circuit breaker main body 1, and connecting components 4 are arranged inside the joints 2 at equal intervals.

As shown in fig. 2, the sliding device 3 includes a square plate 31, the outer surface sliding connection of the square plate 31 is in the inside of the circuit breaker main body 1, and one end of the square plate 31 extends to the outer surface of the circuit breaker main body 1, one end of the square plate 31 is fixedly connected with an L-shaped rod 33, the inside sliding connection of the circuit breaker main body 1 is provided with a fixture block 32, the upper surface of the fixture block 32 is provided with a micro spring, the side surface of the fixture block 32 is provided with a triangular opening, one end of the joint 2 is fixedly connected with a compression spring 34, one end of the compression spring 34 is fixedly connected in the inside of the circuit breaker main body 1, the outer surface of the joint 2 is provided with a limiting hole 35, and the diameter of the limiting hole 35 is greater than that of the fixture block 32.

As shown in fig. 3, the connecting assembly 4 includes a first clamping plate 42, the surfaces of the first clamping plate 42 and the second clamping plate 44 are both wavy, the upper surface of the first clamping plate 42 abuts against the bolt 41, the inner portion of the joint 2 is equidistantly provided with a silica gel block 43, the outer surface of the first clamping plate 42 is equidistantly provided with a limiting block, the lower surface of the limiting block abuts against the upper surface of the silica gel block 43, and the inner portion of the joint 2 is further provided with a second clamping plate 44.

The working principle of the utility model is as follows: when connecting a wire, one end of an L-shaped rod 33 is slidably connected in a triangular opening on the right surface of a clamping block 32 by pressing a square plate 31, the clamping block 32 slides upwards, the tail end of the clamping block 32 leaves the inside of a limiting hole 35, at the moment, a connector 2 is ejected from the inside of a breaker main body 1 due to the elasticity of a compression spring 34, then the wire is connected with the connector 2, after the connection is completed, the connector 2 slides leftwards by pressing the connector 2, when the lower surface of the clamping block 32 is connected in the limiting hole 35, the whole connector 2 is connected in the breaker main body 1, the connector 2 can be contracted by installing a sliding device 3, the connector 2 can be limited due to the arrangement of the clamping block 32, the connector 2 can be ejected from the inside of the breaker main body 1 by arranging the square plate 31, and the connector 2 can be retracted into the breaker main body 1 after the wire is connected with the connector 2, make the circuit breaker main part 1 whole compact, and can prevent to electrocute, the security has been strengthened, the practicality has been strengthened, when taking out the wire, through anticlockwise rotation bolt 41, the elasticity of second splint 44 this moment, make first splint 42 upwards slide, when the lower surface of first splint 42 is not with the upper surface contact of second splint 44, can take out the wire, through setting up coupling assembling 4, can strengthen the stability of wire installation, because the shape of first splint 42 and second splint 44, can tightly interlock the wire, and through setting up silica gel piece 43, when bolt 41 anticlockwise rotation, first splint 42 can rise automatically, the practicality has been strengthened.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A circuit breaker with a compact structure comprises a circuit breaker main body (1), wherein joints (2) are arranged at two ends of the circuit breaker main body (1), and the circuit breaker is characterized in that a sliding device (3) is arranged inside the circuit breaker main body (1), and connecting components (4) are arranged inside the joints (2) at equal intervals;

slider (3) are including square plate (31), and the one end rigid coupling of square plate (31) has L shape stick (33), and the inside sliding connection of circuit breaker main part (1) has fixture block (32), and the one end rigid coupling that connects (2) has compression spring (34), and the one end rigid coupling of compression spring (34) is provided with spacing hole (35) in the inside of circuit breaker main part (1), the surface that connects (2).

2. A compact circuit breaker as claimed in claim 1 wherein said latch (32) is provided with a micro-spring on its upper surface.

3. A compact circuit breaker as claimed in claim 1 wherein the sides of said latch (32) are provided with triangular shaped openings.

4. A compact circuit breaker as claimed in claim 1, characterized in that said limiting hole (35) has a diameter larger than that of said latch (32).

5. A compact circuit breaker according to claim 1, characterized in that the outer surface of the square plate (31) is slidably connected inside the circuit breaker main body (1), and one end of the square plate (31) extends to the outer surface of the circuit breaker main body (1).

6. A compact circuit breaker as claimed in claim 1, characterized in that said connecting assembly (4) comprises a first clamping plate (42), the upper surface of said first clamping plate (42) resting against said bolts (41), the interior of said joint (2) being provided with blocks of silicone (43) at equal intervals, and the interior of said joint (2) being further provided with a second clamping plate (44).

7. A compact circuit breaker as claimed in claim 6 wherein said first (42) and second (44) clamping plates have undulating surfaces.

8. A compact circuit breaker as claimed in claim 6, characterized in that the outer surface of said first clamping plate (42) is provided with a stopper at equal distance, the lower surface of the stopper abutting against the upper surface of the silica gel block (43).