CN220627716U - Circuit breaker with dustproof construction - Google Patents

Abstract

The utility model discloses a circuit breaker with a dustproof structure, and relates to the technical field of circuit breakers. This circuit breaker with dustproof construction drives the piston rod through the gas expansion in the piston section of thick bamboo and upwards promotes, drives the drive plate and promotes the ring and drive first bull stick and be connected with the second bull stick to make the disc drive the lug and rotate, make bar frame and bar brush left and right reciprocating sliding, drive the dust on U type frame and bar brush left and right reciprocating sliding brush dust screen surface, be convenient for clear up the dust screen automatically, through the cooperation of dust screen and dust proof case, the effectual interior deposition of circuit breaker that prevents increases the life of circuit breaker.

Description

Circuit breaker with dustproof construction

Technical Field

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

Background

A circuit breaker is an electrical device for controlling and protecting a circuit, which is capable of breaking or connecting a current in the circuit, and is commonly used in low voltage circuits, including home, business, and industrial circuits. A large circuit breaker is a device for controlling and protecting a circuit in an electric power system, which can rapidly separate or connect the circuit and rapidly cut off current when a fault occurs, to protect electric network equipment and personal safety. Large circuit breakers are commonly used in high voltage power grids, mainly to break or connect power and loads, and to cut off current in case of short circuits or overloads. They can withstand high voltages and high currents and have reliable power outage capability and long operating life.

The existing large-scale circuit breaker does not have the dustproof function, the circuit in the circuit breaker is damaged easily after long-time use, the existing dustproof is usually protected by using a dustproof net, but the dustproof net is inconvenient to clean after long-time use, and the circuit breaker is damaged easily.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a circuit breaker with a dustproof structure, and solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a circuit breaker with dustproof construction, includes the circuit breaker main part, the outside of circuit breaker main part is provided with the dust proof case, the right side fixedly connected with dust screen of dust proof case, be fixed with radiator fan on the left side inner wall of dust proof case, the inside of dust proof case is provided with the clearance subassembly, the clearance subassembly includes:

the dust-proof device comprises a piston cylinder, a piston rod is fixedly connected with the bottom surface of a dust-proof box, a piston rod is connected with the inner piston of the piston cylinder, a driving plate is fixedly connected with the top surface of the piston rod, a circular ring is hinged to the top of the driving plate, a first rotating rod is penetrated in the circular ring and is rotationally connected with the circular ring, a disc is fixedly connected with the right side surface of the first rotating rod, a lug is fixedly connected with the surface of the disc, a supporting plate is fixedly connected with the inner wall surface of the dust-proof box, the surface of the lug penetrates through a bar frame and is rotationally connected with the lug, two side surface fixedly connected with bar plates of the bar frame are fixedly connected with a guide frame, the bar plate penetrates through the guide frame and is in sliding connection with the guide frame, a U-shaped frame is fixedly connected with the surface of the bar plate, a bar brush is fixedly connected with the right side surface of the U-shaped frame, when a dust-proof net is blocked for a long time, the temperature in the dust-proof box rises, the gas expansion in the piston cylinder drives the upward pushing, and drives the driving plate to push the circular ring to drive the first and the second rotating rod to be connected with the bar plate, so that the bar frame and the left rotating rod and the right rotating rod are reciprocally slide, and the bar frame are reciprocally and the left rotating, and the dust-proof rod are reciprocally slide down, and the dust-proof rod is cleaned, and the dust is completely removed, and the dust is reciprocally and the dust-proof box.

Optionally, the output shaft fixedly connected with second bull stick of radiator fan, the recess has been seted up to the right-hand member surface of second bull stick, be fixed with the latch on the recess inner wall of second bull stick.

Optionally, sliding connection has the slider on the recess inner wall of second bull stick, the right-hand member fixed surface of slider is connected with branch, the right-hand member and the first bull stick of branch are articulated, drive first bull stick promotion branch when the driver plate promotes the ring, and branch promotes the slider and get into the latch to make first bull stick follow the rotation of second bull stick, thereby follow radiator fan and rotate simultaneously, be convenient for automatic control.

Optionally, the surface of dust proof case articulates there is the hand push door, the fixed connection of surface of hand push door has the handle.

Optionally, the inside of the piston cylinder is fixed with easy inflation gas, and when the temperature in the dust box rises, the gas can push the piston rod to slide upwards conveniently.

Optionally, the size of the sliding block is the same as that of the latch, and the supporting rod pushes the sliding block to enter the latch, so that the first rotating rod is connected with the second rotating rod conveniently.

(III) beneficial effects

The utility model provides a circuit breaker with a dustproof structure. The beneficial effects are as follows:

(1) This circuit breaker with dustproof construction drives the piston rod through the gas expansion in the piston section of thick bamboo and upwards promotes, drives the drive plate and promotes the ring and drive first bull stick and be connected with the second bull stick to make the disc drive the lug and rotate, make bar frame and bar board left and right reciprocating sliding, drive U type frame and bar brush left and right reciprocating sliding brush and remove the dust on dust screen surface, be convenient for clear up the dust screen automatically.

(2) This circuit breaker with dustproof construction, through the cooperation of dust screen and dust proof case, effectual dust deposit in preventing the circuit breaker, effectual increase circuit breaker's life.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of the present utility model;

FIG. 5 is a schematic view of the enlarged structure of FIG. 4A according to the present utility model;

fig. 6 is a schematic diagram of the front cross-sectional structure of the present utility model.

In the figure: 1. a breaker main body; 2. a dust box; 3. a dust screen; 4. a heat radiation fan; 5. cleaning the assembly; 501. a piston cylinder; 502. a piston rod; 503. a driving plate; 504. a circular ring; 505. a first rotating lever; 506. a disc; 507. a bump; 508. a support plate; 509. a bar frame; 510. a strip-shaped plate; 511. a guide frame; 512. a U-shaped frame; 513. a strip brush; 6. a second rotating rod; 7. a slide block; 8. a support rod; 9. a hand-operated door; 10. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a circuit breaker with dustproof construction, includes circuit breaker main part 1, and circuit breaker main part 1's outside is provided with dust proof case 2, and dust proof case 2's right side fixedly connected with dust screen 3 is fixed with radiator fan 4 on dust proof case 2's the left side inner wall, and dust proof case 2's inside is provided with clearance subassembly 5, and clearance subassembly 5 includes:

the piston cylinder 501 is fixedly connected with the bottom surface of the dust box 2, the piston rod 502 is connected with the inner piston of the piston cylinder 501, the driving plate 503 is fixedly connected with the top surface of the piston rod 502, the top of the driving plate 503 is hinged with the circular ring 504, the first rotating rod 505 penetrates through the inside of the circular ring 504 and is rotationally connected with the circular ring 504, the right side surface of the first rotating rod 505 is fixedly connected with the circular disc 506, the surface of the circular disc 506 is fixedly connected with the convex block 507, the inner wall surface of the dust box 2 is fixedly connected with the supporting plate 508, the surface of the convex block 507 penetrates through the bar frame 509 and is rotationally connected with the convex block 507, the two side surfaces of the bar frame 509 are fixedly connected with the bar plates 510, the surface of the supporting plate 508 is fixedly connected with the guide frame 511, the bar plates 510 penetrate through the guide frame 511 and are slidingly connected with the guide frame 511, the surface of the strip plate 510 is fixedly connected with a U-shaped frame 512, the right side surface of the U-shaped frame 512 is fixedly connected with a strip brush 513, when the dust screen 3 is blocked for a long time, the temperature in the dust screen 2 rises, the gas in the piston cylinder 501 expands to drive the piston rod 502 to push upwards, the driving plate 503 pushes the circular ring 504 to drive the first rotating rod 505 to be connected with the second rotating rod 6, so that the circular disc 506 drives the bump 507 to rotate, the strip frame 509 and the strip plate 510 slide left and right to drive the U-shaped frame 512 and the strip brush 513 to slide left and right to brush dust on the surface of the dust screen 3, after the dust is cleaned, the temperature in the dust screen 2 is reduced to enable the piston rod 502 to slide downwards, the first rotating rod 505 is driven to be separated from the second rotating rod 6, rotation is stopped, and cleaning is completed.

The output shaft fixedly connected with second bull stick 6 of radiator fan 4, the recess has been seted up to the right-hand member surface of second bull stick 6, is fixed with the latch on the recess inner wall of second bull stick 6.

The sliding connection has slider 7 on the recess inner wall of second bull stick 6, and slider 7's right-hand member fixed surface is connected with branch 8, and branch 8's right-hand member is articulated with first dwang 505, drives first dwang 505 when driving plate 503 promotes ring 504 and promotes branch 8, and branch 8 promotes slider 7 and gets into the latch to make first bull stick 505 follow second bull stick 6 and rotate, thereby follow radiator fan 4 and rotate simultaneously, be convenient for automatic control.

The surface of the dust box 2 is hinged with a hand-operated door 9, and the surface of the hand-operated door 9 is fixedly connected with a handle 10.

The inside of the piston cylinder 501 is fixed with the easily-expanding gas dust box 2, so that the gas can push the piston rod 502 to slide upwards when the temperature in the gas dust box rises.

The size of the sliding block 7 is the same as that of the latch, and the supporting rod 8 pushes the sliding block 7 into the latch, so that the first rotating rod 505 is connected with the second rotating rod 6.

Working principle: when the circuit breaker is used for a long time, dust is adsorbed by the dust screen 3 and is blocked, heat in the dust screen 2 cannot be discharged by the cooling fan 4, the temperature in the dust screen 2 rises, gas in the piston cylinder 501 expands to drive the piston rod 502 to push upwards, the driving plate 503 pushes the circular ring 504 to drive the first rotating rod 505 to push the supporting rod 8, the supporting rod 8 pushes the sliding block 7 to enter the latch, the first rotating rod 505 rotates along with the second rotating rod 6, and then the cooling fan 4 rotates simultaneously, the disc 506 drives the convex block 507 to rotate, the bar-shaped frame 509 and the bar-shaped plate 510 slide left and right to drive the U-shaped frame 512 and the bar-shaped brush 513 to brush dust on the surface of the dust screen 3, after dust cleaning is finished, the temperature in the dust screen 2 reduces to enable the piston rod 502 to slide downwards to drive the first rotating rod 505 to separate from the second rotating rod 6, and rotation is stopped.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Circuit breaker with dustproof construction, including circuit breaker main part (1), its characterized in that: the outside of circuit breaker main part (1) is provided with dust proof case (2), the right side fixed surface of dust proof case (2) is connected with dust screen (3), be fixed with radiator fan (4) on the left side inner wall of dust proof case (2), the inside of dust proof case (2) is provided with clearance subassembly (5), clearance subassembly (5) include:

piston tube (501), the bottom surface fixedly connected with piston tube (501) of dust proof box (2), the inside piston of piston tube (501) is connected with piston rod (502), the top surface fixedly connected with drive plate (503) of piston rod (502), the top of drive plate (503) articulates there is ring (504), the inside of ring (504) runs through have first bull stick (505) and with ring (504) rotation to be connected, the right side surface fixedly connected with disc (506) of first bull stick (505), the surface fixedly connected with lug (507) of disc (506), the inner wall surface fixedly connected with backup pad (508) of dust proof box (2), the surface of lug (507) runs through have bar frame (509) and with lug (507) rotation to be connected, the both sides surface fixedly connected with bar frame (511) of backup pad (508), bar frame (510) run through guide frame (511) and with guide frame (511) sliding connection, bar frame (512) surface fixedly connected with bar frame (512).

2. A circuit breaker with dust protection structure according to claim 1, characterized in that: the output shaft of radiator fan (4) fixedly connected with second bull stick (6), the recess has been seted up on the right-hand member surface of second bull stick (6), be fixed with the latch on the recess inner wall of second bull stick (6).

3. A circuit breaker with dust-proof structure as claimed in claim 2, wherein: the sliding connection has slider (7) on the recess inner wall of second bull stick (6), the right-hand member fixed surface of slider (7) is connected with branch (8), the right-hand member of branch (8) is articulated with first bull stick (505).

4. A circuit breaker with dust protection structure according to claim 1, characterized in that: the surface of the dust box (2) is hinged with a hand-operated door (9), and the surface of the hand-operated door (9) is fixedly connected with a handle (10).

5. A circuit breaker with dust protection structure according to claim 1, characterized in that: an easily expandable gas is fixed inside the piston cylinder (501).

6. A circuit breaker with dust protection structure according to claim 3, characterized in that: the size of the sliding block (7) is the same as that of the latch.