CN211743795U

CN211743795U - Dustproof power distribution box

Info

Publication number: CN211743795U
Application number: CN202020447565.5U
Authority: CN
Inventors: 徐峥璞; 赵东炜; 陈慎
Original assignee: State Grid Henan Power Co Tanghe County Power Supply Co
Current assignee: State Grid Henan Power Co Tanghe County Power Supply Co
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-23
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to an electric power facility field, concretely relates to dustproof power distribution box. The power distribution box comprises a box body, box roof lower extreme is fixed with the fixed plate, be fixed with the fixed column on the fixed plate, the round hole has been seted up on the board of the left and right sides of box, sliding seal is provided with the tuber pipe in the round hole, tuber pipe pot head is established sealedly on the fixed column, the tuber pipe other end extends to the box outside, the tuber pipe internal fixation has the fan, the elongated slot has been seted up to the tuber pipe lower extreme between fan and the fixed column, the cover is equipped with the shroud on the outside tuber pipe of box, set up rather than endocentric through-hole on the shroud, the through-hole internal fixation has last filter screen, the shroud outer fringe is fixed with the pin of two symmetries, be. The utility model discloses, dustproof effectual, the radiating efficiency is high, part easy maintenance.

Description

Dustproof power distribution box

Technical Field

The utility model relates to an electric power facility field, concretely relates to dustproof power distribution box.

Background

A large number of connectors and various electronic components are installed in the distribution box, and a large number of wires exist, resulting in a high total resistance value of the distribution box, and thus a large amount of heat is emitted under the condition of electric conduction, and if the heat is not effectively treated, the electric devices in the distribution box can be damaged due to high temperature. Traditional block terminal can dispel the heat through setting up the air vent, though can play ventilative function, but the dust gets into easily, is covered with the electrical component long-term operation of dust, takes place the short circuit easily, leads to power equipment operation trouble. The patent document with publication number CN209419055U discloses an outdoor dustproof distribution box, which comprises a box body, a convenient fixing device, a box door, a lifting hole, a hinge, a wire frame, a wire outlet hole, a fixing plate, a groove, a baffle plate and a push block, wherein the convenient fixing device is arranged on the back of the distribution box, the push block is pulled to pull a first fixing rod out from the lower end of a chute on the inner end face of the groove, the baffle plate enters the baffle plate groove through a transmission rod under the pulling force of a rubber belt, then a hook on the plane plate is pulled out through pulling a handle, and second fixing rods on the front end face and the rear end face of the plane plate are pulled into the fixing grooves for fixing, and then the fixing work is performed through the hook, the dustproof distribution box is mainly characterized in that when the existing outdoor dustproof distribution box is installed outdoors, a support frame is firstly installed for placing the distribution box, so that the labor cost, and the problems of time and space consumption are also wasted, and a solution is not provided for the problem of heat dissipation while dust prevention is achieved.

Disclosure of Invention

The utility model aims to solve the technical problem that a simple structure, simple to operate, easy maintenance, dustproof effectual, the radiating efficiency is high, part easy maintenance's dustproof power distribution box.

In order to realize the purpose, the utility model provides a technical scheme is:

the utility model provides a dustproof power distribution box, the power distribution box comprises a box body, box roof lower extreme is fixed with the fixed plate, be fixed with horizontal fixed column on the fixed plate, the fixed column runs through the fixed plate, set up on the board of the left and right sides of box with the concentric round hole of fixed column, sliding seal is provided with the tuber pipe in the round hole, tuber pipe pot head is established sealedly on the fixed column, the tuber pipe other end extends to the box outside, the tuber pipe internal fixation has the fan, the elongated slot has been seted up to the tuber pipe lower extreme between fan and the fixed column, the cover is equipped with the dustcoat on the outside tuber pipe of box, dustcoat and tuber pipe end seal are connected, set up on the dustcoat rather than endocentric through-hole, the through-hole internal fixation has the filter screen, the dustcoat outer fringe is.

Specifically, the length direction of the long groove is parallel to the length direction of the air pipe.

The slips are characterized by comprising an arc plate fixed on the box body, the arc plate is concentric with the air pipe, one end, away from the box body, of the arc plate is bent by 90 degrees towards the direction of the air pipe to form a blocking plate, the stop lever is located between the blocking plate and the box body and tightly supports the blocking plate, and the guide slope surface used for guiding the stop lever is machined at the front end and the rear end of the blocking plate.

Specifically, a hole is formed in a bottom plate of the box body, and a lower filter screen is fixed in the hole.

Specifically, the fixed column is sleeved with a third sealing ring, and one end of an air pipe in the box body is connected with the fixed column in a sealing mode through the third sealing ring.

Specifically, a second sealing ring is fixedly sealed on the hole wall of the round hole, and the outer edge of the air pipe is connected with the inner edge of the second sealing ring in a sliding and sealing manner.

Specifically, the end part of the air pipe outside the box body is fixedly provided with a first sealing ring, and the sleeve cover is connected with the end part of the air pipe in a sealing mode through the first sealing ring.

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

the utility model discloses a set up the tuber pipe on the box roof, tuber pipe pot head is established sealedly on the fixed column, the tuber pipe other end extends to the box outside, the tuber pipe internal fixation has the fan, rotate the tuber pipe, make the elongated slot of tuber pipe aim at the electrical components in the box, then overlap the cover and establish the tuber pipe one end outside the box, it makes the pin and the slips crisscross to rotate the cover, then extrude the cover, make the cover be close to the box, then rotate the cover, make the pin be located between barrier plate and the box, later release the cover, barrier plate stabilizes the cover on the tuber pipe one end outside the box through the pin, at this moment the cover is connected with tuber pipe end seal through first sealing ring, start the fan, the air outside the box enters the tuber pipe inside and blows to electrical components in the box through the elongated slot after the filtration of the upper filter screen on the cover, dispel the heat to it, the air in the box discharges through lower discharge filter screen and, this dustproof block terminal both can realize ventilation cooling and can block dust outside again, simple structure, simple to operate, and dustproof effectual, the radiating efficiency is high, and part easy maintenance leads to the air-out through the elongated slot of seting up the air-out at the tuber pipe lower extreme, and then makes the air-out directly act on electrical components and carries out the forced air cooling heat dissipation, has improved the radiating efficiency.

Drawings

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

Fig. 2 is a side view of a pull shoe.

Detailed Description

As shown in fig. 1-2, a dustproof power distribution box comprises a box body 1, a bottom plate of the box body 1 is provided with a hole, a lower filter screen 2 is fixed in the hole, a fixed plate 3 is fixed at the lower end of a top plate of the box body 1, a transverse fixed column 4 is fixed on the fixed plate 3, the fixed column 4 penetrates through the fixed plate 3, round holes concentric with the fixed column 4 are formed in left and right side plates of the box body 1, an air pipe 5 is arranged in the round holes in a sliding sealing manner, a second sealing ring 12 is fixed on the hole wall of the round hole in a sealing manner, the outer edge of the air pipe 5 is connected with the inner edge of the second sealing ring 12 in a sliding sealing manner, one end of the air pipe 5 is sleeved and sealed on the fixed column 4, a third sealing ring 13 is sleeved on the fixed column 4, one end of the air pipe 5 in the, an elongated slot 6 is formed in the lower end of an air pipe 5 between a fan 7 and a fixed column 4, the length direction of the elongated slot 6 is parallel to the length direction of the air pipe 5, a sleeve cover 15 is sleeved on the air pipe 5 outside a box body 1, the sleeve cover 15 is connected with the end part of the air pipe 5 in a sealing mode, a first sealing ring 11 is fixed to the end part of the air pipe 5 outside the box body 1, the sleeve cover 15 is connected with the end part of the air pipe 5 in a sealing mode through the first sealing ring 11, a through hole concentric with the sleeve cover 15 is formed in the sleeve cover 15, an upper filter screen 8 is fixed in the through hole, two symmetrical stop levers 10 are fixed to the outer edge of the sleeve cover 15, slips 9 corresponding to the stop levers 10 are fixed to the box body 1 outside.

The slips 9 is including fixing the arc 16 on box 1, and arc 16 is concentric with tuber pipe 5, and the one end that box 1 was kept away from to arc 16 is 90 degrees bending types to tuber pipe 5 directions and forms barrier plate 17, and pin 10 is located between barrier plate 17 and the box 1 and tightly supports barrier plate 17, and both ends all process around the barrier plate 17 and are used for carrying out the domatic 14 of direction to pin 10.

When the utility model is assembled, the air pipe 5 penetrates through the round hole and one end of the air pipe 5 in the box body 1 is sleeved on the fixed column 4, the air pipe 5 is rotated to make the long groove 6 of the air pipe 5 align with the electrical component in the box body 1, then the sleeve cover 15 is sleeved on one end of the air pipe 5 outside the box body 1, the sleeve cover 15 is rotated to make the stop lever 10 staggered with the slips 9, then the sleeve cover 15 is extruded to make the sleeve cover 15 close to the box body 1, then the sleeve cover 15 is rotated to make the stop lever 10 positioned between the stop plate 17 and the box body 1, then the sleeve cover 15 is released, the stop plate 17 stabilizes the sleeve cover 15 on one end of the air pipe 5 outside the box body 1 through the stop lever 10, at the moment, the sleeve cover 15 is connected with the end part of the air pipe 5 in a sealing way through the first sealing ring 11, the fan 7 is started, the air outside the box body 1 enters the interior of the air pipe 5 after being filtered by the upper filtering screen 8 on, the air in the box body 1 is discharged through the lower filter screen 2 to finish heat dissipation.

The utility model discloses, simple structure, simple to operate, dustproof effectual, the radiating efficiency is high, and part easy maintenance leads to the air-out through the elongated slot 6 of seting up the air-out at 5 lower extremes of tuber pipe, can be fine, and then makes the air-out directly act on electrical components and carries out the forced air cooling heat dissipation, has improved the radiating efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The dustproof power distribution box comprises a box body (1) and is characterized in that a fixing plate (3) is fixed at the lower end of a top plate of the box body (1), a transverse fixing column (4) is fixed on the fixing plate (3), the fixing column (4) penetrates through the fixing plate (3), round holes concentric with the fixing column (4) are formed in left and right side plates of the box body (1), an air pipe (5) is arranged in the round holes in a sliding and sealing mode, one end of the air pipe (5) is sleeved on the fixing column (4) in a sealing mode, the other end of the air pipe (5) extends to the outside of the box body (1), a fan (7) is fixed in the air pipe (5), an elongated slot (6) is formed in the lower end of the air pipe (5) between the fan (7) and the fixing column (4), a sleeve cover (15) is sleeved on the air pipe (5) outside the box body (1), the sleeve cover (15, an upper filter screen (8) is fixed in the through hole, two symmetrical stop levers (10) are fixed on the outer edge of the sleeve cover (15), a slip (9) corresponding to the stop levers (10) is fixed on the box body (1) on the outer side of the sleeve cover (15), and the stop levers (10) are located in the slip (9).

2. The dustproof power distribution box according to claim 1, wherein the length direction of the elongated slot (6) is parallel to the length direction of the air duct (5).

3. The dustproof power distribution box according to claim 1, wherein the slip (9) comprises an arc plate (16) fixed on the box body (1), the arc plate (16) is concentric with the air pipe (5), one end, away from the box body (1), of the arc plate (16) is bent by 90 degrees towards the direction of the air pipe (5) to form a blocking plate (17), the stop lever (10) is located between the blocking plate (17) and the box body (1) and tightly abuts against the blocking plate (17), and guide slope surfaces (14) used for guiding the stop lever (10) are machined at the front end and the rear end of the blocking plate (17).

4. The dustproof power distribution box according to claim 1, wherein a bottom plate of the box body (1) is provided with a hole, and a lower filter screen (2) is fixed in the hole.

5. The dustproof power distribution box according to claim 1, wherein a third sealing ring (13) is sleeved on the fixed column (4), and one end of the air pipe (5) in the box body (1) is hermetically connected with the fixed column (4) through the third sealing ring (13).

6. The dustproof power distribution box according to claim 1, wherein a second sealing ring (12) is fixed and sealed on the wall of the circular hole, and the outer edge of the air pipe (5) is connected with the inner edge of the second sealing ring (12) in a sliding and sealing manner.

7. The dustproof power distribution box according to claim 1, wherein a first sealing ring (11) is fixed at the end of the air pipe (5) outside the box body (1), and the sleeve cover (15) is connected with the end of the air pipe (5) in a sealing manner through the first sealing ring (11).