CN219328169U - Laminar flow hood box - Google Patents

Abstract

The utility model discloses a laminar flow hood box body, which comprises an inner box shell and an outer box shell, wherein the outer box shell comprises four side plates which are sequentially spliced and welded to form a rectangle and a top plate which is arranged on the upper parts of the four side plates and is detachably connected with the four side plates, the bottom of each side plate is inwards bent to form a Z-shaped high-bending plate which can be connected with the inner box shell through bolts, one side plate of the outer box shell is provided with a ventilation mounting hole, and a ventilation plate with a ventilation hole is detachably arranged in the ventilation mounting hole; the bottoms of the side plates are inwards and upwards bent to form the high-bending plate, so that the waste of materials is reduced compared with a connecting structure adopting the high-efficiency frame in the prior art, the welding of the high-efficiency frame and the inner box shell and the outer box shell respectively can be avoided, and the treatment of gluing and sealing is reduced, so that labor and time are saved; through seting up the ventilation mounting hole on the curb plate to set up detachable ventilation board in the ventilation mounting hole, can dismantle the ventilation board, be convenient for later stage to the clearance and the maintenance of fan part in it.

Description

Laminar flow hood box

Technical Field

The utility model belongs to the technical field of laminar flow hoods, and particularly relates to a laminar flow hood box body.

Background

In the air purification industry, a laminar flow hood is one of the common devices for providing air purification in local high-clean environments, and mainly comprises a box body, a fan, a primary air filter, a high-efficiency air filter and the like, wherein the laminar flow hood can be hung and supported on the ground, is compact in structure and convenient to use, can be singly used, can also be connected into a strip-shaped clean area, and is widely used in departments of precision machinery, electronics, pharmacy, food, fine chemical industry and the like.

The existing laminar flow hood box body is generally divided into an inner box shell (a) and an outer box shell (b) as shown in fig. 1, wherein the inner box shell (a) and the outer box shell (b) are connected by adopting a high-efficiency frame (c), a purifying cavity (d) in which components such as a fan, a primary air filter, a high-efficiency air filter and the like can be arranged is formed between the inner box shell (a) and the outer box shell (b), and one side of the outer box shell (b) is provided with a ventilation hole (e).

In the prior art, the laminar flow hood box similar to the technical scheme has certain defects in the practical process: and (3) a step of: the inner case shell and the outer case shell are connected by adopting the efficient frame, so that the welding cost is increased, and the periphery of the efficient frame and the folded edges of the outer case shell and the inner case shell are required to be glued and sealed after being welded, thereby being labor-saving and time-saving; and II: the ventilation hole is directly formed in the outer case, when dust deposition of the fan on the inner side of the outer case needs to be maintained or cleaned, the whole outer case needs to be detached, and maintenance and disassembly costs are increased.

Disclosure of Invention

In view of the defects and drawbacks existing in the prior art, the utility model aims to provide a laminar flow hood box body, which solves the problems that in the prior art, high-efficiency frames are adopted for connecting an inner box shell and an outer box shell, the welding cost is increased, glue spraying and sealing treatment are needed after the peripheries of the high-efficiency frames are welded with the outer box shell and the inner box shell, labor and time are wasted, and ventilation holes are directly formed in the outer box shell, and when dust deposition of a fan on the inner side of the inner box shell is needed to be maintained or cleaned, the whole outer box shell is needed to be detached, and the maintenance and disassembly cost is increased.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a laminar flow hood box, includes interior shell and outer shell, outer shell including four curb plates of welding the constitution rectangle in proper order and set up on four curb plate upper portions rather than dismantling the roof of being connected, every curb plate bottom all inwards bend a high bent plate that can be in the same place with interior shell bottom hem hasp "Z" font, high bent plate passes through bolted connection with interior shell, has seted up ventilation mounting hole on one of them curb plate of outer shell, the interior detachable of ventilation mounting hole is equipped with the ventilation board that opens the ventilation hole, the curb plate be equipped with round first side folded plate of inwards bending around ventilation mounting hole, be equipped with a plurality of backup pads on the first side folded plate inboard, the ventilation board inboard is equipped with round section shape and is the first board that links of bending of L shape all around, first bending link, backup pad and ventilation board on the homoenergetic correspond be equipped with first bolt hole, the ventilation board is connected through the backup pad on passing the bolt of first bolt hole and the first side folded plate.

As a further improvement of the utility model, the four corners of the first side folded plate are provided with a supporting plate.

As a further improvement of the utility model, a circle of second side folded plates with Z-shaped cross sections are arranged on the inner sides of the upper parts of the four side plates, a second bending connecting plate which is bent inwards is arranged on the periphery of the top plate, the second side folded plates are supported and arranged at the bottoms of the second bending connecting plates, second bolt holes are correspondingly formed in the top plate and the second side folded plates, and the top plate is connected with the second bending connecting plate on the outer case through bolts penetrating through the second bolt holes.

As a further improvement of the utility model, the second side flap and the side plate are integrally formed by bending.

As a further improvement of the utility model, the inner sides of the bottoms of the high-bending plates on the left side and the right side are respectively provided with a connecting plate with L-shaped section.

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

1. the bottom of the side plate of the outer case is inwards and upwards bent to form the high-bending plate, the outer case is directly connected with the inner case through the high-bending plate through bolts, and compared with the connecting structure adopting the high-efficiency frame in the prior art, the material waste is reduced, the welding of the high-efficiency frame and the inner case and the outer case respectively and the treatment of glue sealing are reduced, so that the labor and time are saved; the ventilation mounting holes are formed in the side plates, the detachable ventilation plates are arranged in the ventilation mounting holes, the ventilation plates can be detached, the cleaning and maintenance of fan components in the ventilation plates are facilitated, the periphery of the ventilation plates are inwards bent to form a first bending connecting plate, the periphery of the mounting holes of the side plates are inwards bent to form first side folded plates, the inner sides of the first side folded plates are provided with a plurality of supporting plates, the first side folded plates can support the first bending connecting plates, the firmness is strong, the flatness of the ventilation plates and the outer surfaces of the side plates can be kept, the connection protrusion is avoided, and the ventilation plate is attractive and tidy; through can dismantle the roof with the curb plate and be connected to the roof can dismantle, is convenient for maintain or overhaul its inboard air purification subassembly.

2. Through all being equipped with a backup pad with the four corners of first side folded plate, improve ventilation board and curb plate's firm in connection degree.

3. Through bending the curb plate to the inboard and setting up the second side flap, inwards bend around the roof and set up the second and bend and link the board, the second is folded and is linked the board and support on the second side flap, and the connection fastness is strong, and the second side flap can be used for installing the connecting bolt who links the board with the second is folded, can keep the planarization of roof and curb plate surface, avoids connecting the protrusion, and is more pleasing to the eye clean and tidy.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

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

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is an enlarged view of FIG. 3 at B;

FIG. 6 is a schematic diagram of a cross-sectional structure of the present utility model;

FIG. 7 is an enlarged view of FIG. 6 at C;

in the figure: 1. an outer case; 11. a side plate; 12. a top plate; 121. a second bending connecting plate; 13. a high-bending plate; 14. a first side flap; 15. a support plate; 16. a ventilation mounting hole; 17. a second side flap; 2. an inner case; 3. a bolt; 4. a ventilation board; 5. a first bending connecting plate; 6. a first bolt hole; 7. a second bolt hole; 8. and (5) connecting a plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-7. For the sake of clarity, only the structures related to the utility model are shown in the drawings.

For convenience of description, the coordinate system is defined as shown in fig. 2, and the left-right direction is a transverse direction, the front-rear direction is a longitudinal direction, and the up-down direction is a vertical direction.

The embodiment of the utility model discloses a laminar flow hood box. Referring to fig. 2 and 3, a laminar flow hood box, including interior case 2 and outer case 1, interior case 2 is the same with prior art, and this application does not make the improvement to this, outer case 1 include four curb plates 11 of welding the constitution rectangle in proper order and set up on four curb plate 11 upper portions rather than dismantling the roof 12 of being connected, as shown in fig. 5, every curb plate 11 bottom all inwards bends a high board 13 of bending that can be in the same place with the "Z" font of interior case 2 bottom hem hasp, high board 13 of bending passes through bolted connection with interior case 2, the bottom inboard of high board 13 of bending of left and right sides all is equipped with a connecting plate 8 that the cross-section shape is the L shape. As shown in fig. 3 and 6, a ventilation mounting hole 16 is formed in one side plate 11 of the outer case 1, a ventilation plate 4 with a ventilation hole is detachably arranged in the ventilation mounting hole 16, as shown in fig. 5 and 7, a circle of first side folded plates 14 bent inwards are arranged around the ventilation mounting hole 16 on the side plate 11, a plurality of support plates 15 are arranged on the inner side of the first side folded plates 14, a circle of first bending connecting plates 5 with L-shaped cross sections are arranged on the inner side around the ventilation plate 4, first bolt holes 6 are correspondingly formed in the first bending connecting plates 5, the support plates 15 and the ventilation plate 4, the ventilation plate 4 is connected with the support plates 15 on the first side folded plates 14 through bolts 3 penetrating through the first bolt holes 6, and in addition, four corners of the first side folded plates 14 are respectively provided with one support plate 15 when the support plates 15 are arranged, so that the connection firmness degree of the ventilation plate 4 and the side plate 11 is improved.

As shown in fig. 4, a circle of second side folded plates 17 with a Z-shaped cross section is arranged on the inner side of the upper portion of the four side plates 11, in order to facilitate manufacturing and reduce welding, the second side folded plates 17 and the side plates 11 are integrally formed by bending, a second bending connecting plate 121 which is bent inwards is arranged around the top plate 12, the second side folded plates 17 are supported and arranged at the bottom of the second bending connecting plate 121, second bolt holes 7 are correspondingly formed in the top plate 12 and the second side folded plates 17, and the top plate 12 is connected with the second bending connecting plate 121 on the outer case 1 through bolts 3 passing through the second bolt holes 7 (shown in fig. 7). The second bending connecting plate 121 is supported on the second side folded plate 17, so that the connection firmness is strong, the second side folded plate 17 can be used for installing the connecting bolt 3 connected with the second bending connecting plate 121, the flatness of the outer surfaces of the top plate 12 and the side plates 11 can be maintained, the connection protrusion is avoided, and the appearance is attractive and tidy.

According to the utility model, the bottoms of the side plates 11 of the outer case 1 are respectively bent inwards and upwards to form the high-bending plate 13, the outer case 1 is directly connected with the inner case 2 through the high-bending plate 13 by the bolts 3, and compared with the connecting structure adopting the high-efficiency frame in the prior art, the material waste is reduced, the welding of the high-efficiency frame with the inner case 2 and the outer case 1 respectively and the glue sealing treatment are reduced, so that the labor and the time are saved; the ventilation mounting holes 16 are formed in the side plates 11, and the detachable ventilation plates 4 are arranged in the ventilation mounting holes 16, so that the ventilation plates 4 can be detached, later cleaning and maintenance of fan components in the ventilation plates are facilitated, the periphery of the ventilation plates 4 is inwards bent to form a first bending connecting plate 5, the periphery of the mounting holes of the side plates 11 is inwards bent to form a first side folded plate 14, a plurality of support plates 15 are arranged on the inner sides of the first side folded plates 14, the first side folded plates 14 can support the first bending connecting plate 5, the firmness is strong, the flatness of the outer surfaces of the ventilation plates 4 and the side plates 11 can be kept, the connection bulge is avoided, and the ventilation plate is attractive and tidy; by detachably connecting the top plate 12 with the side plate 11, the top plate 12 can be detached, and maintenance or overhaul of the air purifying assembly on the inner side thereof is facilitated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims (5)

1. The utility model provides a laminar flow hood box, includes interior shell and outer shell, its characterized in that: the outer case shell include four curb plates that splice welding in proper order and set up on four curb plates upper portions rather than the roof of dismantling the connection, every curb plate bottom all inwards bend a high board that bends that can be in the same place with interior case bottom hem hasp "Z" font, high board that bends passes through bolted connection with interior case, set up ventilation mounting hole on one of them curb plate of outer case shell, ventilation mounting hole interior detachable is equipped with the ventilation board that opens the ventilation hole, the curb plate be equipped with the first side folded plate of round inwards bending around ventilation mounting hole, be equipped with a plurality of backup pads on the inboard of first side folded plate, the ventilation board is equipped with round section shape and is the first board that bends of L shape all around, first bending link board, backup pad and ventilation board on the corresponding backup pad that is equipped with first bolt hole, the ventilation board is connected with the backup pad on the first side folded plate through the bolt that passes first bolt hole.

2. The laminar flow hood box according to claim 1, characterized in that: four corners of the first side folded plate are respectively provided with a supporting plate.

3. The laminar flow hood box according to claim 2, characterized in that: four curb plate upper portion inboard be equipped with the second side flap that round cross-section shape is Z shape, the roof is equipped with the second of inwards bending around and bends and link the board, second side flap supports and sets up in the second and bends and link the board bottom, the homoenergetic correspondence is equipped with the second bolt hole on roof and the second side flap, the roof be connected with the second of outer container shell and bend and link the board through the bolt that passes the second bolt hole.

4. A laminar flow hood according to claim 3, characterized in that: the second side folded plate and the side plate are integrally formed through bending.

5. A laminar flow hood according to any one of claims 1 to 4, characterized in that: the inner sides of the bottoms of the high bending plates at the left side and the right side are respectively provided with a connecting plate with an L-shaped section.

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