CN218004760U

CN218004760U - Novel circuit breaker

Info

Publication number: CN218004760U
Application number: CN202222382922.6U
Authority: CN
Inventors: 徐�明; 王昭万; 郭耕年
Original assignee: Wenzhou Dongji Electrical Co ltd
Current assignee: Wenzhou Dongji Electrical Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-09
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a novel circuit breaker, including circuit breaker casing, handle, circuit board, static contact and experiment button, still include the experiment torsional spring of suit on the torsional spring post of circuit breaker casing, be connected with the static contact get the electric wire, with the circuit board be connected the wire, with the signal line of circuit board connection and with the connecting wire of signal line connection, experiment torsional spring one end offsets with experiment button lower extreme, and the other end extends to the rotary drum below of handle, is equipped with the step of exerting pressure on the rotary drum. After the structure is adopted, after the circuit breaker trips, the circuit board cannot be electrified, and the use safety of the circuit breaker is improved.

Description

Novel circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to novel circuit breaker.

Background

The leakage short-circuiting device is generally provided with a test button which can play a role of testing the on-off of a circuit, namely when the circuit is electrified, the leakage protection switch can trip when the test button is pressed, and if the circuit is not electrified, the leakage protection switch can not trip when the test button is pressed; on the other hand, the leakage fault can be simulated to prompt the leakage protection switch to trip, so as to judge whether the leakage protection switch can also act correctly. The electricity getting of the experiment button of current circuit breaker is mostly through the live wire get the electricity, still can get the electricity after the circuit breaker disconnection, has great potential safety hazard. In addition, the existing circuit board is still electrified when the switch is tripped, so that potential safety hazards exist, and the service lives of the circuit board and the circuit breaker are influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a novel circuit breaker.

The utility model adopts the technical proposal that: the utility model provides a novel circuit breaker, includes circuit breaker casing, handle, circuit board, static contact and experiment button, still includes the experiment torsional spring of suit on the torsional spring post of circuit breaker casing, the wire of being connected with the static contact, the signal line of being connected with the circuit board and the connecting wire of being connected with the signal line that gets electric wire, experiment torsional spring one end offsets with experiment button lower extreme, and the other end extends to the rotary drum below of handle, be equipped with the step of exerting pressure on the rotary drum, when the handle combined floodgate, the step of exerting pressure supports to press and forces the one end of experiment torsional spring one end down and be connected with getting electric wire, when the button of exerting pressure pushes down to drive the experiment torsional spring other end down, the other end of experiment torsional spring links to each other with the connecting wire one end counterbalance of keeping away from the signal line, the wire is connected with the experiment torsional spring.

Further, the connecting wire includes integrated into one piece's inserted bar section, connecting rod section and linkage segment, be equipped with the jack on the circuit breaker casing of experiment button below, the inserted bar section is pegged graft with the jack.

Furthermore, the connecting section is provided with a U-shaped hook, and one end of the signal line, which is far away from the circuit board, is connected with the U-shaped hook.

Furthermore, the lower end of the experiment button is provided with a limiting groove connected with one end of the experiment torsion spring.

Furthermore, the experimental torsion spring is provided with a U-shaped part at one end of the rotary drum.

Furthermore, get the electric wire and include "U" type couple, straight pole section and "7" font section, "U" type couple is affiliated to the step of being affiliated to of circuit breaker casing.

Furthermore, the hanging step is provided with a hanging groove.

Furthermore, the 7-shaped section is connected with the static contact, and the 7-shaped section is provided with an arc-shaped section protruding towards one side of the static contact.

Furthermore, the torsion spring column is sleeved with a conductive sleeve, and the experimental torsion spring is sleeved outside the conductive sleeve.

Furthermore, the conductive sleeve extends to form an extension section connected with the lead.

The beneficial effects of the utility model are that:

1. after the circuit breaker trips, the circuit board cannot be electrified, and the use safety of the circuit breaker is improved.

2. After the circuit breaker trips, the power is cut off, and electricity cannot be taken after the test button is pressed, so that the use safety of the circuit breaker is further improved.

3. The circuit board is got the electricity and is united to experimental torsional spring with the getting of test button on, simple structure simplifies wiring structure, and the equipment is convenient, greatly reduces the cost of circuit breaker, effectively practices thrift circuit breaker inner space.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

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

Fig. 2 is an internal schematic view of the present invention.

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

Fig. 4 is a schematic view of the structure of the power cord.

FIG. 5 is a schematic diagram of the structure of the experimental torsion spring.

Fig. 6 is a schematic structural diagram of a connecting wire.

Fig. 7 is a schematic structural view of the conductive sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

The utility model provides a novel circuit breaker.

In this embodiment, referring to fig. 1-7, this novel circuit breaker, including circuit breaker casing 1, handle 2, circuit board 3, static contact 4 and experiment button 5, still include the experiment torsional spring 7 of suit on the torsional spring post 6 of circuit breaker casing, get electric wire 8 with static contact is connected, the wire 9 of being connected with the circuit board, the signal line 10 of being connected with the circuit board and the connecting wire 11 of being connected with the signal line, experiment torsional spring one end offsets with the experiment button lower extreme, and the other end extends to the rotary drum 28 below of handle, be equipped with the step 12 of exerting pressure on the rotary drum, when the handle is closed a floodgate, the step of exerting pressure supports to press and forces the one end of experiment torsional spring down and be connected with getting the electric wire in experiment torsional spring one end, when the button of exerting pressure pushes down and drives the experiment torsional spring other end down, the other end of experiment torsional spring offsets with the connecting wire one end of keeping away from the signal line and links to the wire and experiment torsional spring coupling.

After adopting above-mentioned technical scheme, this application has following a plurality of advantages:

1. after the circuit breaker trips, the circuit board cannot be electrified, and the use safety of the circuit breaker is improved. The specific principle is as follows: when the circuit breaker is switched on, the pressing step on the rotary drum of the handle presses down one end of the test button and is connected with the power taking wire, and the power taking wire, the test torsion spring and the wire are communicated, so that power is taken for the circuit board through the static contact. And when the switch is opened, the pressure applying step is removed, and one end of the test torsion spring rebounds to separate one end of the test torsion spring from the power taking wire, so that the circuit board is powered off.

2. After the circuit breaker trips, the power is cut off, and electricity cannot be taken after the test button is pressed, so that the use safety of the circuit breaker is further improved. The specific principle is as follows: when the circuit breaker is switched on, the test torsion spring is electrified, and one end of the test torsion spring is connected with the connecting wire by pressing the test button, so that the signal wire is electrified. On the contrary, when the breaker is opened, the experiment torsional spring is not electrified, and the electricity cannot be obtained by pressing the test button at the moment. The use safety of the circuit breaker is improved.

Specifically, the connecting wire includes integrated into one piece's inserted bar section 13, connecting rod section 14 and linkage segment 15, be equipped with jack 16 on the circuit breaker casing of experiment button below, the inserted bar section is pegged graft with the jack, and the connecting wire passes through jack connection, easy dismounting.

Specifically, the connecting section is provided with a U-shaped hook 17, and one end of the signal line, which is far away from the circuit board, is connected with the U-shaped hook.

Through the U-shaped hook, the connection with the signal line is convenient

Specifically, the lower end of the experiment button is provided with a limiting groove 18 connected with one end of the experiment torsion spring.

During the equipment, the one end card of experiment torsional spring is gone into the spacing inslot, connects stably, need not other fixed knot structure, simple structure.

Specifically, the experimental torsion spring is provided with a "U" shaped portion 19 at one end of the drum.

Through setting up "U" type part, increase area of contact increases and exerts pressure the effect nep of step, guarantees the stability of linkage.

Specifically, the wire taking device comprises a U-shaped hook 20, a straight rod section 21 and a 7-shaped section 22, wherein the U-shaped hook is attached to an attachment step 23 of the shell of the circuit breaker; the hanging step is provided with a hanging groove 24.

The wire is directly hung on the hanging groove through the U-shaped hook, so that the installation is convenient and the structure is simple.

Specifically, the 7-shaped section is connected with the static contact, and the 7-shaped section is provided with an arc-shaped section 25 protruding towards one side of the static contact.

As shown in fig. 3 and 4, the static contact is installed in the clamping groove of the shell of the circuit breaker, and the 7-shaped section is arranged between the static contact and the side wall of the clamping groove, so that the arc-shaped section is arranged on the 7-shaped section, the arc-shaped section can be tightly pressed on the static contact, and the effectiveness of power taking is ensured. The wire is made of metal materials, certain elasticity is achieved after the wire is bent into the arc-shaped section, and the arc-shaped section can be guaranteed to be tightly pressed on the static contact piece under the extrusion of the side wall and the static contact piece.

Specifically, the torsion spring column is sleeved with a conductive sleeve 26, and the experimental torsion spring is sleeved outside the conductive sleeve; the conductive sleeve extends with an extension 27 connected to the wire.

The skilled person should know that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. Novel circuit breaker, including circuit breaker casing, handle, circuit board, static contact and experiment button, its characterized in that: still include the experiment torsional spring of suit on the torsional spring post of circuit breaker casing, the wire of being connected with the static contact, the signal line of being connected with the circuit board and the connecting wire of being connected with the signal line, experiment torsional spring one end offsets with the experiment button lower extreme, and the other end extends to the rotary drum below of handle, be equipped with the step of exerting pressure on the rotary drum, when the handle combined floodgate, the step of exerting pressure supports to press and forces the one end of experiment torsional spring to be down and be connected with getting the electric wire in experiment torsional spring one end, when the button of exerting pressure pushes down and drives the experiment torsional spring other end down, the other end of experiment torsional spring offsets with the connecting wire one end of keeping away from the signal line and links, the wire is connected with the experiment torsional spring.

2. The novel circuit breaker of claim 1, wherein: the connecting wire includes integrated into one piece's inserted bar section, connecting rod section and linkage segment, be equipped with the jack on the circuit breaker casing of experiment button below, the inserted bar section is pegged graft with the jack.

3. The novel circuit breaker of claim 2, wherein: the connecting section is provided with a U-shaped hook, and one end of the signal line, which is far away from the circuit board, is connected with the U-shaped hook.

4. The novel circuit breaker of claim 1, wherein: the lower end of the experiment button is provided with a limiting groove connected with one end of the experiment torsion spring.

5. The novel circuit breaker of claim 1, wherein: and a U-shaped part is arranged at one end of the experimental torsion spring positioned on the rotary drum.

6. The novel circuit breaker of claim 1, wherein: the wire taking device comprises a U-shaped hook, a straight rod section and a 7-shaped section, wherein the U-shaped hook is attached to the step of the breaker shell.

7. The novel circuit breaker of claim 6, wherein: and the hanging step is provided with a hanging groove.

8. The novel circuit breaker of claim 7, wherein: the 7-shaped section is connected with the static contact piece, and the 7-shaped section is provided with an arc section protruding towards one side of the static contact piece.

9. The novel circuit breaker of claim 1, wherein: the torsion spring column is sleeved with a conductive sleeve, and the experimental torsion spring is sleeved outside the conductive sleeve.

10. The novel circuit breaker of claim 9, wherein: the conductive sleeve extends to form an extension section connected with the lead.