CN216092735U

CN216092735U - Hundred-level laminar flow cover sealing structure

Info

Publication number: CN216092735U
Application number: CN202122168966.4U
Authority: CN
Inventors: 施剑成; 施信山; 朱雨丰
Original assignee: Suzhou Xingya Clean Technology Co ltd
Current assignee: Suzhou Xingya Clean Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-22
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a hundred-grade laminar flow hood sealing structure which comprises a hood shell, wherein a primary filter, a filtering cotton plate, a high-efficiency filter and a wind homogenizing hood are sequentially arranged in the hood shell from top to bottom, the peripheries of the primary filter, the filtering cotton plate, the high-efficiency filter and the uniform air hood are all provided with frames, a sealing frame is arranged between the primary filter and the filter cotton plate, a sealing frame is arranged between the filter cotton plate and the high-efficiency filter, a sealing frame is arranged between the high-efficiency filter and the uniform air hood, a group of through holes are distributed on the frame and the sealing frame at equal intervals, the bottom of the housing is provided with a limit frame, a group of screw posts which vertically extend upwards are fixedly connected on the limit frame, the screw rod post is in splicing fit with the perforation, the top of the screw rod post is in threaded connection with a locking nut, and the locking nut is pressed on the upper end face of the frame of the primary filter. The utility model has simple structure, convenient disassembly and assembly and good sealing property.

Description

Hundred-level laminar flow cover sealing structure

Technical Field

The utility model relates to the field of laminar flow hoods, in particular to a hundred-level laminar flow hood sealing structure.

Background

The clean laminar flow hood forms a flow equalizing layer after air passes through the high-efficiency filter at a certain ground wind speed, so that the clean air is in vertical unidirectional flow, and the cleanliness meeting the process requirement in a working area is ensured.

The hundred-grade clean laminar flow hood is a device for creating local high-cleanliness environment in low-cleanliness environment, can make local working environment reach hundred grades, can independently form an air return system or be connected with a pipeline system, has flexible purification area, is provided with a low-noise centrifugal fan and a damping device, is installed in a suspension or support supporting mode, adopts high-quality 304 stainless steel as a box body, has firm structure and safe and reliable electrical system, is widely applied to the fields of electronics, medicine, national defense, science and technology, bioengineering and the like, and is ideal equipment for reaching the requirement of high-cleanliness level in a low-cleanliness area.

At present, the existing hundred-level laminar flow hood mostly has the defect of untight sealing, and a certain amount of air is discharged without being processed in the working process, so that a novel hundred-level laminar flow hood sealing structure is urgently needed to overcome the defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hundred-level laminar flow cover sealing structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a hundred-grade laminar flow hood sealing structure comprises a hood, wherein a primary filter, a filtering cotton plate, a high-efficiency filter and a uniform air hood are sequentially arranged in the hood from top to bottom, the peripheries of the primary filter, the filtering cotton plate, the high-efficiency filter and the uniform air hood are all provided with frames, a sealing frame is arranged between the primary filter and the filter cotton plate, a sealing frame is arranged between the filter cotton plate and the high-efficiency filter, a sealing frame is arranged between the high-efficiency filter and the uniform air hood, a group of through holes are distributed on the frame and the sealing frame at equal intervals, the bottom of the housing is provided with a limit frame, a group of screw posts which vertically extend upwards are fixedly connected on the limit frame, the screw rod post is in splicing fit with the perforation, the top of the screw rod post is in threaded connection with a locking nut, and the locking nut is pressed on the upper end face of the frame of the primary filter.

Preferably, a group of connecting plates are fixedly connected to the peripheral outer wall of the housing, and a connecting seat is arranged at the bottom of each connecting plate.

Preferably, the left end and the right end of the housing are provided with avoidance cavities.

Preferably, the top of the locking nut is fixedly connected with a pair of screwing wings.

Preferably, a protective washer is arranged between the locking nut and the upper end face of the frame of the primary filter.

Preferably, the housing is made of an aluminum alloy.

Compared with the prior art, the utility model has the beneficial effects that: when the filter is installed, the primary filter, the filter cotton plate, the high-efficiency filter, the air homogenizing cover and the sealing frame are inserted onto the screw rod column from bottom to top in sequence, and finally the locking nut is screwed up to ensure the sealing performance among the components, so that the risk of untreated air discharge is effectively reduced. The connecting seat is used for fixedly mounting the housing. Each part in the housing is taken out when the cavity is avoided and the maintenance is convenient. The wing screwing is convenient to directly screw the locking nut by hand. The protective gasket prevents crushing the surface of the primary filter. The enclosure made of the aluminum alloy has good rigidity and light weight. The utility model has simple structure, convenient disassembly and assembly and good sealing property.

Drawings

FIG. 1 is a schematic structural diagram of a sealing structure of a hundred-level laminar flow hood;

FIG. 2 is an exploded view of a hundred level laminar flow hood seal configuration;

fig. 3 is a partial enlarged view of fig. 2 at K.

In the figure: 1-housing, 2-limiting frame, 3-screw rod column, 4-connecting plate, 5-connecting seat, 6-avoiding cavity, 7-air homogenizing cover, 8-high efficiency filter, 9-filtering cotton plate, 10-primary efficiency filter, 11-sealing frame, 12-protecting washer, 13-locking nut, 14-screwing fin and 15-perforating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

a hundred-level laminar flow hood sealing structure comprises a hood 1, wherein a primary filter 10, a filter cotton plate 9, a high-efficiency filter 8 and an even wind hood 7 are sequentially arranged in the hood 1 from top to bottom, frames are arranged around the primary filter 10, the filter cotton plate 9, the high-efficiency filter 8 and the even wind hood 7, a sealing frame 11 is arranged between the primary filter 10 and the filter cotton plate 9, a sealing frame 11 is arranged between the filter cotton plate 9 and the high-efficiency filter 8, the sealing frame 11 is arranged between the high-efficiency filter 8 and the even wind hood 7, a group of through holes 15 are equidistantly distributed on the frames and the sealing frame 11, a limiting frame 2 is arranged at the bottom of the hood 1, a group of screw posts 3 which vertically extend upwards are fixedly connected onto the limiting frame 2, the screw posts 3 are in splicing fit with the through holes 15, and locking nuts 13 are in threaded connection with the tops of the screw posts 3, the lock nut 13 is pressed on the upper end face of the frame of the primary filter 10.

During the installation, according to from the bottom up order with primary filter 10, filter cotton board 9, high efficiency filter 8, even wind cover 7 and sealed frame 11 peg graft to screw rod post 3 on, it can to screw up lock nut 13 at last, sealed frame 11 has guaranteed the leakproofness between the above-mentioned part, has effectively reduced the risk that the air was not handled and is discharged.

Preferably, a group of connecting plates 4 are fixedly connected to the peripheral outer wall of the housing 1, and a connecting seat 5 is arranged at the bottom of each connecting plate 4.

The connecting base 5 is used for fixedly mounting the housing 1.

Preferably, the housing 1 is provided with a cavity avoiding cavity 6 at the left and right ends.

The cavity 6 is convenient for taking out all parts in the housing 1 during maintenance.

Preferably, a pair of screwing wings 14 are fixedly connected to the top of the locking nut 13.

The screwing wings 14 facilitate direct manual screwing of the locking nut 13.

Preferably, a protective washer 12 is arranged between the locking nut 13 and the upper end face of the frame of the primary filter 10.

The protective gasket 12 prevents crushing of the surface of the primary filter 10.

Preferably, the housing 1 is made of an aluminum alloy.

The housing 1 made of aluminum alloy has good rigidity and light weight.

The working principle of the utility model is as follows: during the installation, according to from the bottom up order with primary filter 10, filter cotton board 9, high efficiency filter 8, even wind cover 7 and sealed frame 11 peg graft to screw rod post 3 on, it can to screw up lock nut 13 at last, sealed frame 11 has guaranteed the leakproofness between the above-mentioned part, has effectively reduced the risk that the air was not handled and is discharged. The connecting base 5 is used for fixedly mounting the housing 1. The cavity 6 is convenient for taking out all parts in the housing 1 during maintenance. The screwing wings 14 facilitate direct manual screwing of the locking nut 13. The protective gasket 12 prevents crushing of the surface of the primary filter 10. The housing 1 made of aluminum alloy has good rigidity and light weight.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A hundred grades of laminar flow hood seal structure, includes housing (1), its characterized in that: the novel filter is characterized in that a primary filter (10), a filtering cotton plate (9), a high-efficiency filter (8) and an even fan housing (7) are sequentially arranged in the housing (1) from top to bottom, frames are arranged around the primary filter (10), the filtering cotton plate (9), the high-efficiency filter (8) and the even fan housing (7), a sealing frame (11) is arranged between the primary filter (10) and the filtering cotton plate (9), a sealing frame (11) is arranged between the filtering cotton plate (9) and the high-efficiency filter (8), the sealing frame (11) is arranged between the high-efficiency filter (8) and the even fan housing (7), a group of through holes (15) are equidistantly distributed on the frame and the sealing frame (11), a limiting frame (2) is arranged at the bottom of the housing (1), and a group of screw columns (3) which vertically extend upwards are fixedly connected to the limiting frame (2), screw rod post (3) and perforation (15) are pegged graft and are cooperated, the top threaded connection of screw rod post (3) has lock nut (13), lock nut (13) are pressed and are established on the up end of primary filter (10) frame.

2. A hundred-stage laminar flow hood seal structure according to claim 1, characterized in that: the outer wall all around of housing (1) is last fixedly connected with a set of connecting plate (4), connecting seat (5) are provided with to connecting plate (4) bottom.

3. A hundred-stage laminar flow hood seal construction according to claim 2, characterized in that: the left end and the right end of the housing (1) are provided with avoidance cavities (6).

4. A hundred-stage laminar flow hood seal structure according to claim 3, characterized in that: the top of the locking nut (13) is fixedly connected with a pair of screwing wings (14).

5. The hundred-stage laminar flow hood seal structure according to claim 4, characterized in that: and a protective washer (12) is arranged between the locking nut (13) and the upper end face of the frame of the primary filter (10).

6. The hundred-stage laminar flow hood seal structure according to claim 5, characterized in that: the housing (1) is made of aluminum alloy.