CN219679120U - Dustproof and moistureproof sheet metal case - Google Patents

Abstract

The utility model relates to the technical field of sheet metal boxes, in particular to a dustproof and moistureproof sheet metal box, which comprises a box body and ventilation plates arranged on two sides of the box body, wherein bolts are arranged at four corners of the ventilation plates, the ventilation plates are fixedly connected with the box body through the bolts in a screwed manner, a plurality of ventilation holes which are uniformly distributed are formed in the surface of the ventilation plates, and a plurality of foam positioning strips are fixedly arranged on the inner side walls of the ventilation plates; through set up detachable ventilation board in the both sides of box to correspond ventilation hole department at the inboard of ventilation board and set up the cotton dry piece of bubble, the cotton dry piece of bubble can effectively block the dust granule in the air current and get into quick-witted incasement, and can absorb the moisture in the air current, also can play the effect of making an uproar of falling simultaneously, the cotton dry piece of bubble is at the air-out side in ventilation hole, and the cotton dry piece dislocation distribution of bubble on the route of air current can provide bigger blocking area, slows down the flow velocity of air current, and separates the dust impurity in the air current.

Description

Dustproof and moistureproof sheet metal case

Technical Field

The utility model relates to the technical field of sheet metal boxes, in particular to a dustproof and moistureproof sheet metal box.

Background

The sheet metal case is a case formed by processing sheet metal processing equipment (a laser cutting machine, a foaming machine, a numerical control punch press, a bending machine and the like), has wide application fields, comprises a communication case, an electric power case and the like, and has a solid shell which protects internal electric elements and can prevent pressure and impact.

In order to avoid the influence of overhigh temperature on the performance of the electric elements in the case, the electric elements generally have ventilation and heat dissipation requirements, ventilation windows are arranged on two sides of the case generally, and heat dissipation fans are arranged on the other sides of the case, so that air flow inside and outside the case flows to perform heat exchange, but the conventional ventilation windows basically have no function of dust filtration and moisture, and after the electric elements in the case are used for a long time, dust can be collected to influence the heat dissipation effect.

Disclosure of Invention

The utility model provides a dustproof and moistureproof sheet metal case which comprises a case body and ventilation plates arranged on two sides of the case body, wherein bolts are arranged at four corners of the ventilation plates, the ventilation plates are fixedly connected with the case body through the bolts in a screwed mode, a plurality of uniformly distributed ventilation holes are formed in the surface of the ventilation plates, a plurality of foam positioning strips are fixedly arranged on the inner side walls of the ventilation plates, the foam positioning strips are positioned between two adjacent ventilation holes, a plurality of foam drying sheets are fixedly arranged on the foam positioning strips, and the foam drying sheets are positioned on the inner sides of the ventilation holes.

Preferably, the air outlet side of the vent hole is provided with more than three foam drying sheets, and the more than three foam drying sheets are distributed in a staggered manner on the air flow path.

Preferably, the cross section of the foam drying sheet is larger than the cross section of the vent hole.

Preferably, a plurality of foam drying sheets corresponding to the same vent hole are fixedly connected through an auxiliary bracket.

Preferably, a main bracket is arranged between the foam positioning strip and the foam drying sheet, and two ends of the main bracket are respectively and fixedly connected with the foam positioning strip and the foam drying sheet.

Preferably, the foam positioning strip is provided as a metal strip or a plastic strip.

Preferably, the foam positioning strips are fixedly connected with the ventilating plate through screws.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the detachable ventilation plates are arranged on two sides of the box body, the foam drying sheets are arranged at the positions, corresponding to the ventilation holes, of the inner sides of the ventilation plates, and the foam drying sheets adopt PU foam containing drying particles, so that dust particles in air flow can be effectively prevented from entering the box and can absorb moisture in the air flow, meanwhile, the noise reduction effect can be achieved, the foam drying sheets are arranged on the air outlet side of the ventilation holes, and the foam drying sheets are distributed in a staggered manner on the air flow path, so that a larger blocking area can be provided, the flow speed of the air flow is slowed down, and dust impurities in the air flow are blocked.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic perspective view of a dustproof and moistureproof sheet metal case according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a distribution structure of foam drying sheets on the inner side of a ventilation board in a dustproof and dampproof sheet metal case according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a vent plate in a dustproof and moisture-proof sheet metal chassis according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a foam positioning strip and a foam drying sheet in a dustproof and dampproof sheet metal case according to an embodiment of the present utility model;

1. a case; 2. a ventilation board; 201. a vent hole; 3. a bolt; 4. a foam positioning strip; 41. a main support; 42. an auxiliary bracket; 5. and (5) soaking cotton drying tablets.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings.

As shown in fig. 1-4, the utility model provides a technical scheme, namely a dustproof and moistureproof sheet metal case, which is mainly applied to an electric power case, and aims to improve the dustproof and moistureproof effects of the case under the condition that the case has good ventilation capacity, and the case mainly comprises a case body 1 and ventilation plates 2 arranged on two sides of the case body 1.

Specifically, the four corners department of ventilation board 2 all is equipped with bolt 3, fixes through bolt 3 spiro union between ventilation board 2 and the box 1, and wherein, bolt 3 adopts screw cap or hexagonal etc. of twisting by hand, makes convenient dismantlement between ventilation board 2 and the box 1, and ventilation board 2's surface has seted up a plurality of evenly distributed's ventilation hole 201, and ventilation hole 201 is set up to be circular, rectangle or waist circular.

Further, a plurality of foam positioning strips 4 are fixedly arranged on the inner side wall of the ventilation board 2, the foam positioning strips 4 are positioned between two adjacent ventilation holes 201, a plurality of foam drying sheets 5 are fixedly arranged on the foam positioning strips 4, and the foam drying sheets 5 are positioned on the inner sides of the ventilation holes 201.

Specifically, the foam drying sheet 5 adopts PU foam to contain drying particles, forms a sheet with the thickness of about one millimeter, is arranged on the exhaust side of the vent hole 201, can effectively prevent dust particles in air flow from entering the machine box, can absorb moisture in the air flow, and can also play a role in noise reduction.

In this way, the inside of the ventilation board 2 is provided with the plurality of foam drying sheets 5, so that dust and moisture in the air can be effectively prevented from entering the inside of the case, and the case has the dustproof and dampproof effects.

In the preferred embodiment, the foam drying sheets 5 are provided with more than three on the air outlet side of the vent 201, and the foam drying sheets 5 with more than three are distributed in a staggered manner on the air flow path, and the cross section of the foam drying sheets 5 is larger than that of the vent 201, so that the foam drying sheets 5 are distributed in a staggered manner on the air flow path, thereby providing a larger blocking area, slowing down the flow speed of the air flow, and blocking dust and impurities in the air flow.

Further, the plurality of foam drying sheets 5 corresponding to the same vent 201 are fixedly connected through the auxiliary support 42, a main support 41 is arranged between the foam positioning strip 4 and the foam drying sheets 5, and two ends of the main support 41 are respectively fixedly connected with the foam positioning strip 4 and the foam drying sheets 5.

The main support 41 and the auxiliary support 42 are made of stainless steel or plastic sheets, and can position the foam drying sheets 5, so that the foam drying sheets 5 can keep a fixed position, and dust, impurities and water vapor in air flow are absorbed.

Specifically, the foam positioning strip 4 is set to be a metal strip or a plastic strip, and the foam positioning strip 4 is fixedly connected with the ventilation board 2 through a screw, so that the foam positioning strip 4 is integrally and conveniently detached, and when the drying effect of the foam positioning strip 4 fails, the foam positioning strip 4 can be replaced to completely replace the foam drying sheets 5 thereon.

In combination with the above embodiment, through set up detachable ventilation board 2 in the both sides of box 1 to correspond ventilation hole 201 department at ventilation board 2's inboard and set up bubble cotton dry piece 5, bubble cotton dry piece 5 adopts PU bubble cotton to contain dry granule, can effectively block the dust granule in the air current and get into quick-witted incasement, and can absorb the moisture in the air current, also can play the effect of making an uproar falls simultaneously, bubble cotton dry piece 5 is at ventilation hole 201's air-out side, and bubble cotton dry piece 5 dislocation distribution on the route of air current, can provide bigger blocking area, slow down the velocity of flow of air current, and the dust impurity in the separation air current.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.

Claims (7)

1. Dustproof and moistureproof sheet metal case, a serial communication port, be in including box (1) and setting ventilation board (2) of box (1) both sides, the four corners department of ventilation board (2) all is equipped with bolt (3), pass through between ventilation board (2) and box (1) bolt (3) spiro union is fixed, ventilation hole (201) of a plurality of evenly distributed have been seted up on the surface of ventilation board (2), be fixed on the inside wall of ventilation board (2) and be equipped with many bubble cotton locating strips (4), bubble cotton locating strips (4) are located adjacent two between ventilation hole (201), fixed mounting has a plurality of bubble cotton dry pieces (5) on bubble cotton locating strips (4), bubble cotton dry piece (5) are located the inboard of ventilation hole (201).

2. The dustproof and moistureproof sheet metal box according to claim 1, wherein more than three foam drying sheets (5) are arranged on the air outlet side of the vent hole (201), and more than three foam drying sheets (5) are distributed in a staggered manner on an air flow path.

3. A dustproof and moistureproof sheet metal box according to claim 1, characterized in that the cross section of the foam drying sheet (5) is larger than the cross section of the vent (201).

4. A dustproof and moistureproof sheet metal box according to claim 2, wherein a plurality of foam drying sheets (5) corresponding to the same vent hole (201) are fixedly connected through an auxiliary bracket (42).

5. The dustproof and moistureproof sheet metal box of claim 4, wherein a main bracket (41) is arranged between the foam positioning strip (4) and the foam drying sheet (5), and two ends of the main bracket (41) are fixedly connected with the foam positioning strip (4) and the foam drying sheet (5) respectively.

6. A dust and moisture resistant sheet metal box as claimed in claim 1, characterized in that the foam positioning strip (4) is provided as a metal strip or a plastic strip.

7. The dustproof and moistureproof sheet metal case according to claim 1, wherein the foam positioning strips (4) are fixedly connected with the ventilating plate (2) through screws.