CN209913312U - a distribution box - Google Patents

Abstract

The utility model discloses a distribution box, comprising a box body, a box cover and a box door. The box cover is arranged above the box body, the box body is hinged with a box door, and a ventilation window is detachably connected to the side of the box body; the ventilation window includes A first ventilation window and a second ventilation window, the first ventilation window includes a first window frame, a first ventilation block is fixed on the first window frame, a number of first ventilation grids are opened on the first ventilation block, and the second ventilation The window includes a second window frame, a second ventilation block is fixed on the second window frame, a plurality of second ventilation grids are opened on the second ventilation block, the first ventilation grid and the second ventilation grid are arranged alternately, and the first ventilation grid is arranged in a staggered manner. A filter screen is fixedly installed on one side of the ventilation block close to the first drainage hole, and the dust removal structure is in contact with the filter screen. In rainy days, the utility model can dissipate heat and prevent rain without manual operation, and is also convenient for cleaning the filter screen. The utility model has the advantages of simple structure and long service life. The triple action of dust.

Description

a distribution box

technical field

The utility model relates to the field of power distribution equipment, in particular to a power distribution box.

Background technique

The power distribution box is the last stage of the power distribution system. The power distribution box is used in situations where the load is relatively scattered and there are few circuits. It distributes the electric energy of a certain circuit of the previous power distribution device to the nearby load. The internal circuit of the distribution box will generate heat during operation. If the heat is too high, the current and voltage will be unstable, and most of the distribution boxes need to be used outdoors. The exposed components may lead to insulation reduction, short circuit, grounding and other faults for a long time, and may even lead to the danger of electric shock; The components are short-circuited and damaged, which will affect the normal use of the distribution box. In the existing distribution box, when it rains, the vents need to be closed artificially to prevent rain, but at this time, the distribution box is in a closed state and cannot be dissipated. Therefore, there is an urgent need for a rain-proof At the same time, the distribution box can dissipate heat.

Utility model content

The purpose of the utility model is to provide a power distribution box to solve the above-mentioned problems in the prior art, so that the switch cabinet has a rainproof function and good heat dissipation in rainy days.

For achieving the above object, the utility model provides the following scheme:

A distribution box, comprising a box body, a box cover and a box door, the box cover is arranged above the box body, and the box body is hinged with a box door, characterized in that: the side of the box body is detachably connected with ventilation window; the ventilation window includes a first ventilation window and a second ventilation window, the first ventilation window includes a first window frame, and a first ventilation block is fixed on the first window frame, and the first ventilation block is A number of first ventilation grids are opened, and the distance between the adjacent first ventilation grids is the same. The second ventilation window includes a second window frame, and a second ventilation block is fixed on the second window frame. , the second ventilation block is provided with a number of second ventilation grids, the spacing between the adjacent second ventilation grids is the same, and the first ventilation grids and the second ventilation grids are staggered. , the bottom of the first window frame and the second window frame are respectively provided with a first drainage hole and a second drainage hole, the two sides of the first window frame are provided with rectangular through holes, and the two sides of the second window frame are provided with rectangular through holes. A chute is provided, and the rectangular through hole and the chute have the same size; a filter screen is fixedly installed on the side of the first ventilation block close to the first drainage hole, and the dust removal structure is in contact with the filter screen, and the dust removal The structure is arranged between the first ventilation window and the second ventilation window, the dust removal structure includes a brush, a connecting plate, a column and a slider, the slider is slidably connected with the second ventilation window, and the The brush is fixedly installed on the connecting plate, the two ends of the connecting plate are fixedly installed with the column, the bottom of the column is fixed with the sliding block, the column is adapted to the rectangular through hole, and the sliding block is connected to the bottom of the column. The chute is adapted.

Preferably, both the first ventilation window and the second ventilation window are provided with screw holes.

Preferably, a baffle plate is fixedly installed on the second window frame, and the baffle plate is arranged opposite to the second ventilation block.

Preferably, one side of the second ventilation window on which the baffle is installed is connected to the box body, and the side of the first ventilation window without the first ventilation block is connected to the other side of the second ventilation window.

Preferably, the width of the first ventilation grid is smaller than the spacing between the adjacent second ventilation grids, and the width of the second ventilation grid is smaller than the spacing between the adjacent first ventilation grids .

Preferably, the height of the baffle is one third of the height of the ventilation window.

The beneficial effects brought about by the above technical solutions are: the utility model installs ventilation windows on the box body, staggers the two layers of ventilation grids on the ventilation windows, and installs baffles at the positions of the ventilation windows close to the box body, The ventilation and heat dissipation inside the power distribution box are realized, and in rainy days, the effect of heat dissipation can be achieved while preventing rain without manual operation, and the utility model is also equipped with a filter screen and a brush in the ventilation window, which can It prevents dust from entering the distribution box and facilitates cleaning of the filter screen. The utility model has simple structure and long service life. The ventilation window is easy to disassemble and can be reused, and has triple functions of rainproof, heat dissipation and dustproof.

Description of drawings

FIG. 1 is a schematic structural diagram of a distribution box in the present invention.

FIG. 2 is a schematic front view of the first ventilation window in the present invention.

3 is a schematic front view of the second ventilation window in the present invention.

FIG. 4 is a schematic view of the rear view of the second ventilation window in the present invention.

Figure 5 is a schematic diagram of the dust removal structure in the present invention.

FIG. 6 is a transverse sectional view of the ventilation window in the present invention.

In the figure: 1. Box body; 2. Box cover; 3. Box door; 4. Ventilation window; 5. First ventilation window; 6. Second ventilation window; 7. First window frame; 8. First ventilation block 9, the first ventilation grid; 10, the first drainage hole; 11, the rectangular through hole; 12, the second window frame; 13, the second ventilation block; 14, the second ventilation grid; 15, the second drainage hole ; 16, baffle; 17, chute; 18, connecting plate; 19, brush; 20, slider; 21 column; 22, filter.

Detailed ways

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection method of each part adopts the mature bolts, rivets, Conventional means such as welding and pasting will not be described in detail here.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

1-6, a specific embodiment of the present invention, a power distribution box, includes a box body 1, a box cover 2 and a box door 3, the box cover 2 is arranged above the box body 1, and the box body 1 is hinged with a The box door 3, in order to enable the distribution box to dissipate heat, a ventilation window 4 is detachably connected to the side of the box body 1, and the ventilation window 4 includes a first ventilation window 5 and a second ventilation window 6, in order to protect the distribution box from rain in rainy days At the same time, it can dissipate heat. The first ventilation window 5 includes a first window frame 7, and a first ventilation block 8 is fixed on the first window frame 7. The first ventilation block 8 is provided with a number of first ventilation grids 9, adjacent to each other. The distance between the first ventilation grids 9 is the same, the second ventilation window 6 includes a second window frame 12, a second ventilation block 13 is fixed on the second window frame 12, and a number of second ventilation blocks 13 are opened on the second ventilation block 13. The ventilation grids 14 have the same spacing between the adjacent second ventilation grids 14 , the first ventilation grids 9 and the second ventilation grids 14 are alternately arranged, the first window frame 7 and the second window The bottom of the frame 12 is provided with a first drain hole 10 and a second drain hole 15 respectively, the first window frame 7 is provided with rectangular through holes 11 on both sides, the second window frame 12 is provided with slide grooves 17 on both sides, the rectangular through holes 11 and The size of the chute 17 is the same; the filter screen 22 is fixedly installed on the side of the first ventilation block 8 close to the first drainage hole 10, the dust removal structure is in contact with the filter screen 22, and the dust removal structure is arranged on the first ventilation window 5 and the second ventilation window 6 In between, the dust removal structure includes a brush 19, a connecting plate 18, a column 21 and a sliding block 20, the sliding block 20 is slidably connected with the second ventilation window 6, and the brush 19 is fixedly installed on the connecting plate 18, Both ends of the connecting plate 18 are fixedly mounted with the uprights 21 , the bottom of the uprights 21 is fixed with the slider 20 , the uprights 21 are adapted to the rectangular through holes 11 , and the sliders 20 are fitted with the The chute 17 is adapted. This structure does not need to close the ventilation window 4 in rainy days, and the staggered grids can be used to block the rainwater from the outside of the distribution box, and the filter screen 22 can also play the role of slow flow to ensure that the rainwater cannot enter the distribution box. Inside, the blocked rainwater is discharged out of the ventilation window 4 along the drainage holes. This process can realize the function of rainproof and heat dissipation without manual operation; in sunny days, the filter screen 22 can also play an interception role, blocking dust and the like in the ventilation window. Outside the window 4, the dust accumulation inside the distribution box is prevented, and the exposed components in the distribution box are prevented from being corroded by dust accumulation. Move the column 21 within the range of 11 to make the slider 20 slide in the chute 17, and drive the brush 19 to clean the filter screen 22 to ensure good ventilation of the filter screen 22.

Further optimizing the scheme, the first ventilation window 5 and the second ventilation window 6 are provided with screw holes, and the ventilation window 4 is fixed on the box body 1 through the use of bolts with the screw holes, which facilitates the installation and disassembly of the ventilation window 4. The ventilation window 4 on the damaged distribution box can be removed and installed on other distribution boxes for use, so that the ventilation window 4 can be reused and resources are saved.

To further optimize the solution, the second window frame 12 is fixedly installed with a baffle 16, the baffle 16 is arranged opposite the second ventilation block 13, the height of the baffle 16 is one third of the height of the ventilation window 4, and the baffle 16 can prevent rainwater from The space between the first ventilation block 8 and the second ventilation block 13 is splashed into the distribution box, and to a certain extent, it can prevent the dust entering the ventilation window 4 from the drain hole from entering the distribution box, and protect the distribution box. Components in the electrical box are not damaged.

To further optimize the solution, a rubber pad is installed between the box body 1 and the second ventilation window 6 and between the second ventilation window 6 and the first ventilation window 5, and the rubber pad is provided with a screw hole matching the screw hole on the ventilation window , and the through hole matching the rectangular through hole 11, can make the ventilation window 4 and the gap between the ventilation window 4 and the box body 1 better sealed, prevent rainwater from flowing into the distribution box along the installation gap, and the power distribution When the box is in use, it will often move, and the rubber pad can also play a shock-absorbing effect, preventing the ventilation window 4 from being damaged during the moving process and affecting the rainproof effect.

To further optimize the solution, the width of the first ventilation grids 9 is smaller than the spacing between the adjacent second ventilation grids 14, and the width of the second ventilation grids 14 is smaller than the spacing between the adjacent first ventilation grids 9 to ensure the first ventilation grid. The grids on the first ventilation block 8 and the second ventilation block 13 can be shielded by the second ventilation block 13 and the first ventilation block 8, so that the rainwater cannot directly enter the distribution box.

The power distribution box of the utility model is arranged in a staggered manner by grids, and cooperates with the filter screen 22 and the baffle 16 to prevent rain and dust. At the same time, it has a rainproof effect, which solves the disadvantage that the distribution box cannot dissipate heat in rainy days. Moreover, the distribution box itself has a dust removal structure, which is easy to clean, has a simple structure, and has a long service life. The ventilation window 4 is easy to disassemble and can be reused. It has the triple function of rainproof, heat dissipation and dustproof.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A distribution box, comprising a box body (1), a box cover (2) and a box door (3), the box cover (2) being arranged above the box body (1), the box body (1) A box door (3) is hinged on the top, and is characterized in that: the side of the box body (1) is detachably connected with a ventilation window (4); the ventilation window (4) includes a first ventilation window (5) and a second ventilation window (5) A window (6), the first ventilation window (5) comprises a first window frame (7), a first ventilation block (8) is fixed on the first window frame (7), and the first ventilation block ( 8) A plurality of first ventilation grids (9) are provided on the upper part, the distance between the adjacent first ventilation grids (9) is the same, and the second ventilation window (6) includes a second window frame (12). ), a second ventilation block (13) is fixed on the second window frame (12), and a plurality of second ventilation grids (14) are opened on the second ventilation block (13), and the adjacent ventilation The distances between the second ventilation grids (14) are the same, the first ventilation grids (9) and the second ventilation grids (14) are staggered, and the first window frame (7) and the A first drain hole (10) and a second drain hole (15) are respectively provided at the bottom of the two window frames (12), and rectangular through holes (11) are provided on both sides of the first window frame (7). The two sides of the window frame (12) are provided with chute (17), the rectangular through hole (11) and the chute (17) have the same size; the first ventilation block (8) is close to the first drainage hole (10) ) a filter screen (22) is fixedly installed on one side, the dust removal structure is in contact with the filter screen (22), and the dust removal structure is arranged on the first ventilation window (5) and the second ventilation window (6) In between, the dust removal structure includes a brush (19), a connecting plate (18), a column (21) and a sliding block (20), and the sliding block (20) is slidably connected with the second ventilation window (6), The brushes (19) are fixedly installed on the connecting plate (18), the uprights (21) are fixedly installed at both ends of the connecting plate (18), and the sliders (20) are fixed at the bottom of the uprights (21). ), the column (21) is adapted to the rectangular through hole (11), and the slider (20) is adapted to the chute (17). 2 . The power distribution box according to claim 1 , wherein the first ventilation window ( 5 ) and the second ventilation window ( 6 ) are both provided with screw holes. 3 . 3 . The distribution box according to claim 1 , wherein a baffle plate ( 16 ) is fixedly installed on the second window frame ( 12 ), and the baffle plate ( 16 ) is connected to the second ventilation block ( 3 . 13) Relative settings. 4. The distribution box according to claim 3, characterized in that: one side of the second ventilation window (6) with a baffle plate (16) installed is connected to the box (1), and the first ventilation window (6) is connected to the box (1). The side of the window (5) on which the first ventilation block (8) is not installed is connected to the other side of the second ventilation window (6). 5. The distribution box according to claim 1, characterized in that: the width of the first ventilation grids (9) is smaller than the distance between the adjacent second ventilation grids (14), and the first ventilation grid The width of the two ventilation grids (14) is smaller than the distance between the adjacent first ventilation grids (9). 6. The distribution box according to claim 3, characterized in that: the height of the baffle plate (16) is one third of the height of the ventilation window (4).

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