CN217134302U

CN217134302U - High-breaking small circuit breaker

Info

Publication number: CN217134302U
Application number: CN202220799893.0U
Authority: CN
Inventors: 管巍伟
Original assignee: Longwei Electric Co ltd
Current assignee: Longwei Electric Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-05
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a high disconnected miniature circuit breaker that divides, including body and the electric end of connecting of setting in body one end inside, the top that the body is close to the electric end of connecting still can dismantle and be provided with the apron, the fixed restriction that is provided with in top of electric end, the bottom of apron is fixed to be provided with keeps off the piece, and body, the electric end of connecting, apron, restriction piece and keep off and form the die cavity between the piece, and the wire embedding sets up in the die cavity. The utility model discloses an open the apron, arrange the wire in and connect the electricity to serve, close and fixed apron, the body, connect the electricity end, apron, restriction piece and keep off the die cavity that forms between the piece and fix the wire and connect the electricity to serve, this circuit breaker is connected the back with the wire, and not only the steadiness is good, effectively avoids the wire fracture moreover, guarantees the normal use of circuit breaker.

Description

High-breaking small circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to high branch divides disconnected miniature circuit breaker.

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 within a prescribed time.

The prior art has the following defects: the connected mode of current circuit breaker and wire does, inserts the circuit breaker's the end that connects the electricity back with the wire, screws the screw and fixes the wire at the end that connects the electricity, however, this kind of mode connecting wire, if the screw is rotatory when tension, probably leads to the wire fracture, if the screw is rotatory when pine, probably leads to the wire to follow the end that connects the electricity and drop, above-mentioned two kinds of circumstances all can lead to wire and the unable normal coupling of circuit breaker to influence the normal use of circuit breaker.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide the disconnected miniature circuit breaker of high branch.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the high-breaking miniature circuit breaker comprises a body and an electric connection end arranged in one end of the body, wherein a cover plate can be detachably arranged on the top of the body close to the electric connection end, a limiting piece is fixedly arranged on the top of the electric connection end, a blocking piece is fixedly arranged at the bottom of the cover plate, a cavity is formed among the body, the electric connection end, the cover plate, the limiting piece and the blocking piece, and a lead is embedded in the cavity;

preferably, the limiting piece is a copper plate and is welded at the electric connection end, so that the electric connection end and the lead can better transmit current after being fixed;

preferably, the stopper is made of plastic, and the cost is low.

Preferably, the cover plate is opened, the lead is placed on the power connection end, the cover plate is closed and fixed, the body, the power connection end, the cover plate, the limiting piece and the blocking piece form a cavity for fixing the lead on the power connection end, and after the circuit breaker is connected with the lead, the stability is good, the lead is effectively prevented from being broken, and the normal use of the circuit breaker is ensured;

preferably, in order to avoid fracturing the lead when the stopper presses the lead, a ceramic strip is fixedly arranged at the bottom end of the stopper and is bonded with the stopper, the bottom of the ceramic strip is in an arc shape, the lead is pressed by the ceramic strip, the stability is good, and the lead is prevented from cracking;

preferably, a first clamping plate is fixedly arranged at the bottom of one end of the cover plate, a second clamping plate is fixedly arranged at the top of one end, close to the first clamping plate, of the power connection end, notches are formed in the adjacent ends of the first clamping plate and the second clamping plate, the two notches are just combined into a circular hole, rubber strips are arranged in the two notches, and the two rubber strips are respectively bonded with the first clamping plate and the second clamping plate;

preferably, close fixed back at the apron, first cardboard and second cardboard with the wire restriction in the circular port, and the rubber strip presss from both sides tight wire, not only has sealed effect, but also has further consolidated the wire.

The utility model has the advantages that:

the utility model discloses an open the apron, arrange the wire in and connect the electricity to serve, close and fixed apron, the body, connect the electricity end, apron, restriction piece and keep off the die cavity that forms between the piece and fix the wire and connect the electricity to serve, this circuit breaker is connected the back with the wire, and not only the steadiness is good, effectively avoids the wire fracture moreover, guarantees the normal use of circuit breaker.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention;

FIG. 2 is a diagram illustrating the usage of the present invention;

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

fig. 4 is a schematic structural diagram of the limiting member of the present invention.

In the figure: 1. a body; 2. connecting the electric terminal; 3. a cover plate; 4. a limiting member; 5. a stopper; 51. a ceramic strip; 6. a cavity; 7. a first clamping plate; 8. a second clamping plate; 9. a rubber strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

Referring to fig. 1, the high breaking miniature circuit breaker of the present embodiment includes a body 1 and an electric terminal 2 disposed inside one end of the body 1, wherein a cover plate 3 is detachably disposed on the top of the body 1 near the electric terminal 2, unlike the prior art,

the top of the electric connection end 2 is fixedly provided with a limiting piece 4, the bottom of the cover plate 3 is fixedly provided with a blocking piece 5, a cavity 6 is formed among the body 1, the electric connection end 2, the cover plate 3, the limiting piece 4 and the blocking piece 5, and a lead is embedded in the cavity 6;

furthermore, the limiting piece 4 is a copper plate and is welded to the electric connection end 2, so that the electric connection end 2 and a lead can better transmit current after being fixed;

furthermore, the stopper 5 is made of plastic, so that the cost is low.

Referring to fig. 2, when the breaker is used, the cover plate 3 is opened, the lead is placed on the electric connection end 2, the cover plate 3 is closed and fixed, and the body 1, the electric connection end 2, the cover plate 3, the limiting piece 4 and the blocking piece 5 form a cavity 6 for fixing the lead on the electric connection end 2;

referring to fig. 3, further, in order to prevent the stopper 5 from fracturing the wires when pressing the wires, a ceramic strip 51 is fixedly disposed at the bottom end of the stopper 5, the ceramic strip 51 is bonded to the stopper 5, the bottom of the ceramic strip 51 is designed in an arc shape, the ceramic strip 51 presses the wires, the stability is good, and the wires are prevented from cracking;

referring to fig. 3 and 4, further, a first clamping plate 7 is fixedly arranged at the bottom of one end of the cover plate 3, a second clamping plate 8 is fixedly arranged at the top of one end of the electric connection end 2 close to the first clamping plate 7, notches are formed in the close ends of the first clamping plate 7 and the second clamping plate 8, the two notches are just combined into a circular hole, rubber strips 9 are arranged in the two notches, and the two rubber strips 9 are respectively bonded with the first clamping plate 7 and the second clamping plate 8;

after the cover plate 3 is closed and fixed, the wires are limited in the circular holes by the first clamping plate 7 and the second clamping plate 8, and the wires are clamped by the rubber strips 9, so that the sealing effect is achieved, and the wires are further reinforced.

It should be noted that, in this document, if there are first and second, etc., relational terms are only used for distinguishing one entity or operation from another entity or operation, and there is no necessarily any requirement or suggestion that any actual relation or order exists between the entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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. High disconnected miniature circuit breaker that divides, including body (1) and set up at the inside electric end (2) that connects of body one end, body (1) is close still can to dismantle at the top of connecting electric end (2) and is provided with apron (3), its characterized in that:

the limiting piece (4) is fixedly arranged at the top of the electric connection end (2);

the stopper (5) is fixedly arranged at the bottom of the cover plate (3), a cavity (6) is formed among the body (1), the electric connection end (2), the cover plate (3), the limiting part (4) and the stopper (5), and the lead is embedded in the cavity (6).

2. A high breaking small size circuit breaker according to claim 1, wherein: the bottom end of the stopper (5) is fixedly provided with a ceramic strip (51), and the ceramic strip (51) is bonded with the stopper (5).

3. A high breaking small size circuit breaker according to claim 2, wherein: the bottom of the ceramic strip (51) is arc-shaped.

4. A high breaking small size circuit breaker according to claim 1, wherein: the bottom of one end of the cover plate (3) is fixedly provided with a first clamping plate (7), and the top of one end, close to the first clamping plate (7), of the power connection end (2) is fixedly provided with a second clamping plate (8).

5. A high breaking small size circuit breaker according to claim 3, wherein: and the similar end of first cardboard (7) and second cardboard (8) has all been seted up and has been lacked the groove, and two lack the groove and make up into a circular port, all are provided with rubber strip (9) in two lack grooves, and two rubber strips (9) bond with first cardboard (7) and second cardboard (8) respectively.

6. A high breaking small size circuit breaker according to any one of claims 1 to 5, wherein: the limiting piece (4) is a copper plate, and the blocking piece (5) is made of plastic.