CN218633056U

CN218633056U - Protection device of universal circuit breaker

Info

Publication number: CN218633056U
Application number: CN202223103910.1U
Authority: CN
Inventors: 伍伟杰; 伍于池
Original assignee: Guangzhou Chihong Mechanical And Electrical Equipment Co ltd
Current assignee: Guangzhou Chihong Mechanical And Electrical Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-14
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses an omnipotent circuit breaker's protector, including the protecting frame, diapire fixed mounting has the circuit breaker in the protecting frame, has seted up a plurality of bar spouts on the relative both sides inner wall of protecting frame, is provided with the installation piece on the relative both sides outer wall of circuit breaker, has seted up the perforation on the relative both sides wall of protecting frame, and it has the locating pin to run through in the perforation, and the locating pin is located the tip fixedly connected with arm-tie in the protecting frame outside, is provided with reset spring between arm-tie and the protecting frame, and reset spring is around locating on the locating pin outer wall. The utility model discloses in, protect the operation through the protective frame that sets up to the circuit breaker, and for making the dismouting of being convenient for between circuit breaker and the protective frame, through the cooperation between bar spout, installation piece, locating pin, reset spring and the arm-tie, with the detachable fixed mounting of circuit breaker in the protective frame, and the circuit breaker outer wall all not with the contact of protective frame lateral wall to improve the radiating effect of circuit breaker.

Description

Protective device of universal circuit breaker

Technical Field

The utility model relates to an universal circuit breaker technical field specifically is a protective device of universal circuit breaker.

Background

The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the current for a certain time under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc.

By searching, the notice number is: CN217115363U, a chinese patent, discloses a protection device for a universal circuit breaker, which is characterized in that an insulation protection plate is arranged on a drawer seat, and is triggered through a thimble arranged on a circuit breaker body, and the insulation protection plate is driven by the insertion and separation between a bridge-shaped contact and a connecting row so as to perform insulation protection on a space between the bridge-shaped contact and the connecting row, and the jack is driven to be automatically opened in one step through the movement of the bridge-shaped contact, so that the insertion of the bridge-shaped contact is not affected, the possible conflict between the independent control and the independent control is avoided, and the separation is synchronously closed and isolated after the separation, and the automatic opening and closing is realized; set up the inseparable butt of tight structure inflation bridgehead contact messenger its tip and jack inner wall of expanding, avoided the contact gap that probably produces and the inseparable scheduling problem of contact that leads to, the utility model discloses a circuit breaker simple structure, the design science, the safety in utilization is high, has avoided the potential safety hazard that prior art exists, has good commercial and spreading value.

This patent suffers from the following disadvantages: the existing protection device is inconvenient to disassemble and assemble, and the conventional universal circuit breaker is inconvenient to overhaul in the actual use process.

Therefore, the present application now proposes a protection device for a universal circuit breaker to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device of universal circuit breaker to solve the protection device and be not convenient for carry out the dismouting, this problem that just leads to universal circuit breaker not convenient to overhaul in the in-service use.

In order to achieve the above object, the utility model provides a following technical scheme:

a protection device of a universal circuit breaker comprises a protection frame, wherein a circuit breaker is fixedly arranged on the inner bottom wall of the protection frame;

a plurality of strip-shaped sliding grooves are formed in the inner walls of two opposite sides of the protection frame;

the outer walls of two opposite sides of the circuit breaker are provided with mounting blocks;

the protection frame is characterized in that through holes are formed in two opposite side walls of the protection frame, positioning pins penetrate through the through holes, the positioning pins are located on a pull plate fixedly connected with the end portion of the outer side of the protection frame, reset springs are arranged between the pull plate and the protection frame and wound on the outer walls of the positioning pins, one ends of the reset springs are fixedly connected with the outer walls of the protection frame, and the other ends of the reset springs are fixedly connected with the side walls of the pull plate.

Furthermore, the top end of the pulling plate is rotatably connected with a push rod through a rotating shaft, and the outer walls of two opposite sides of the protective frame are fixedly connected with limiting blocks.

Furthermore, a plurality of heat dissipation holes are formed in two opposite side walls of the protection frame.

Furthermore, a plurality of dust screens are arranged in the heat dissipation holes.

Further, the outer diameter of the locating pin is smaller than the inner diameter of the through hole.

Furthermore, the mounting block vertically slides in the strip-shaped sliding groove.

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

the utility model discloses in, protect the operation through the protective frame that sets up to the circuit breaker, and for making the dismouting of being convenient for between circuit breaker and the protective frame, through the cooperation between bar spout, installation piece, locating pin, reset spring and the arm-tie, with the detachable fixed mounting of circuit breaker in the protective frame, and the circuit breaker outer wall all not with the contact of protective frame lateral wall to improve the radiating effect of circuit breaker, and accelerate the circulation of hot air in the protective frame through the louvre that sets up, further improve the radiating effect of circuit breaker.

Drawings

Fig. 1 is a schematic perspective view of a protection device of a conventional circuit breaker;

fig. 2 is a front view schematically illustrating a protection device of a conventional circuit breaker;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a right-side view structural diagram of a protection device of a universal circuit breaker.

In the figure: 10. a protective frame; 11. a circuit breaker; 12. a strip-shaped chute; 13. mounting blocks; 14. perforating; 15. positioning pins; 16. pulling a plate; 17. a return spring; 18. a top rod; 19. a limiting block; 20. and (4) heat dissipation holes.

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 all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

in the scheme, the bottom wall of the protective frame 10 is fixedly provided with a circuit breaker 11 through a bolt;

a plurality of strip-shaped sliding grooves 12 are formed in the inner walls of two opposite sides of the protective frame 10;

the outer walls of two opposite sides of the circuit breaker 11 are provided with mounting blocks 13, and the mounting blocks 13 vertically slide in the strip-shaped sliding grooves 12;

the two opposite side walls of the protective frame 10 are provided with through holes 14, positioning pins 15 penetrate through the through holes 14, pull plates 16 are fixedly welded to the end portions, located on the outer sides of the protective frame 10, of the positioning pins 15, reset springs 17 are arranged between the pull plates 16 and the protective frame 10, the reset springs 17 are wound on the outer walls of the positioning pins 15, one ends of the reset springs 17 are fixedly welded to the outer walls of the protective frame 10, and the other ends of the reset springs 17 are fixedly welded to the side walls of the pull plates 16.

In addition, the top end of the pulling plate 16 is rotatably connected with a push rod 18 through a rotating shaft, and the outer walls of two opposite sides of the protection frame 10 are fixedly welded with limit blocks 19.

The end of the ejector 18 is rotated to below the positioning block so that the ejector 18 abuts against the positioning block, thus fixing the positioning pin 15.

Wherein, a plurality of louvres 20 have all been seted up on the relative both sides wall of protection frame 10, can further improve circuit breaker 11's radiating effect through the louvre 20 that sets up.

Wherein, all be provided with the dust screen in a plurality of louvres 20, can avoid the dust to enter into in protective frame 10 through louvre 20 through the dust screen that sets up.

Wherein the outer diameter of the positioning pin 15 is smaller than the inner diameter of the through hole 14, so that the positioning pin 15 can transversely shuttle in the through hole 14.

The working principle is as follows: when the protective frame is used, the circuit breaker 11 is protected through the arranged protective frame 10, and the circuit breaker 11 and the protective frame 10 are convenient to disassemble and assemble;

when the circuit breaker 11 is installed in the protection frame 10: firstly, pulling arm-tie 16 makes the tip of keeping away from arm-tie 16 of locating pin 15 be located inside perforation 14, then rotate the tip of ejector pin 18 to the locating piece below, so ejector pin 18 supports the locating piece, so fix locating pin 15, then aim at bar spout 12 with installation piece 13, push circuit breaker 11 into to inside protection frame 10 afterwards, then take ejector pin 18 off, so make locating pin 15 run through perforation 14 with locating pin 15 through reset spring 17's elasticity performance, so with circuit breaker 11 detachable pass through bolt fixed mounting in protection frame 10, and circuit breaker 11 outer wall all not with protection frame 10 lateral wall contact, thereby improve circuit breaker 11's radiating effect, and accelerate the circulation of hot air in protection frame 10 through the louvre 20 that sets up, further improve circuit breaker 11's radiating effect.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments.

Claims

1. A protection device of a universal circuit breaker comprises a protection frame (10), and is characterized in that: a circuit breaker (11) is fixedly mounted on the inner bottom wall of the protective frame (10);

a plurality of strip-shaped sliding grooves (12) are formed in the inner walls of two opposite sides of the protection frame (10);

the outer walls of two opposite sides of the circuit breaker (11) are provided with mounting blocks (13);

the utility model discloses a safety protection frame, including protection frame (10), perforation (14) have been seted up on the relative both sides wall of protection frame (10), it has locating pin (15) to run through in perforation (14), locating pin (15) are located tip fixedly connected with arm-tie (16) in the protection frame (10) outside, be provided with reset spring (17) between arm-tie (16) and protection frame (10), reset spring (17) are around locating on locating pin (15) outer wall, reset spring (17) one end and protection frame (10) outer wall fixed connection, reset spring (17) other end and arm-tie (16) lateral wall fixed connection.

2. A conventional circuit breaker protection device as claimed in claim 1, wherein: the top end of the pulling plate (16) is rotatably connected with a push rod (18) through a rotating shaft, and the outer walls of two opposite sides of the protective frame (10) are fixedly connected with limit blocks (19).

3. A protection device of universal circuit breaker according to claim 1, characterized in that: a plurality of heat dissipation holes (20) are formed in two opposite side walls of the protection frame (10).

4. A conventional circuit breaker protection device as claimed in claim 3, characterized in that: and dust screens are arranged in the heat dissipation holes (20).

5. A conventional circuit breaker protection device as claimed in claim 1, wherein: the outer diameter of the positioning pin (15) is smaller than the inner diameter of the through hole (14).

6. A protection device of universal circuit breaker according to claim 1, characterized in that: the mounting block (13) vertically slides in the strip-shaped sliding groove (12).