CN215232893U

CN215232893U - Liquid tank sealed laminar flow hood

Info

Publication number: CN215232893U
Application number: CN202120966303.4U
Authority: CN
Inventors: 辛均波; 陈文光; 邱外明
Original assignee: Jiangxi Milang Intelligent Manufacturing Co ltd
Current assignee: Jiangxi Milang Intelligent Manufacturing Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-21
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to a laminar flow hood field specifically is a liquid tank sealed laminar flow hood, including shell and inner shell, the inner chamber of shell is pegged graft and is had the inner shell, the fixed grafting of top run-through formula of inner shell has the fan, the tail end fixedly connected with filter of fan. The utility model discloses an utilize the spacing ring to insert in the first ring channel, then pour into the liquid seal glue solution into in the ring channel, thereby utilize the mode of liquid seal to carry out preliminary sealing, then in going into second ring channel and third ring channel respectively through annular rubber circle card, utilize case annular rubber circle in let in gas, make interference fit, thereby seal once more, double seal combines, thereby the effectual sealed effect that has promoted, avoid not filtered air entering clean region, it is comparatively practical, be fit for extensively promoting and using.

Description

Liquid tank sealed laminar flow hood

Technical Field

The utility model relates to a laminar flow hood field specifically is a liquid tank sealed laminar flow hood.

Background

Laminar flow hoods are one of the devices that can shield operators from products, their primary purpose being to avoid product contamination, draw air from the clean room, and then use fans installed in the top plenum to provide ISO 5 (class 100) unidirectional flow air to critical areas by HEPA filtration vertically through the operating area. The exhaust gases are discharged from below and returned to the clean room area. The air filter mainly comprises a box body, a fan, a high-efficiency air filter, a damping layer, a lamp and the like.

When the existing laminar flow cover is installed for sealing, the existing laminar flow cover is always pressed and sealed through the self weight of equipment, but the sealing effect is general, so that unfiltered air can enter a clean space from a part with incomplete sealing. Therefore, we propose a liquid tank sealed laminar flow hood.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid tank sealed laminar flow hood has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid tank sealed laminar flow hood comprises an outer shell and an inner shell, wherein the inner shell is inserted into an inner cavity of the outer shell, a fan is fixedly inserted into the top of the inner shell in a penetrating mode, and a filter is fixedly connected to the tail end of the fan;

a circular ring is mounted on the lower side of the inner wall of the outer shell, a first annular groove is formed in the top of the circular ring, a limiting ring is integrally formed at the bottom of the inner shell, the limiting ring is inserted into the first annular groove, and liquid sealing glue is injected into an inner cavity of the first annular groove;

the second ring channel has been seted up to the inner wall upside of shell, the third ring channel has been seted up at the top of inner shell, annular rubber circle is installed to the inner chamber upside of shell, second ring channel and third ring channel are blocked respectively to the both sides outer lane of annular rubber circle.

As a preferred embodiment of the utility model, the inner wall intercommunication of annular rubber circle has the inflation valve.

As a preferred embodiment of the present invention, the bottom of the housing is fixedly connected with an air guiding cover.

As a preferred embodiment of the present invention, the inner casing and the blower casing are integrally formed.

As a preferred embodiment of the present invention, the ring and the housing are integrally formed.

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

1. the utility model discloses a cistern sealed formula laminar flow hood inserts first ring channel in through utilizing the spacing ring, then pours into the liquid seal glue solution into in the ring channel to the mode that utilizes the liquid seal carries out preliminary sealing, then in going into second ring channel and third ring channel respectively the card through annular rubber circle, let in gas in utilizing case annular rubber circle, make interference fit, thereby seal once more, double sealing combines, thereby effectually promoted sealed effect, avoid not filtered air admission clean region.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the liquid tank sealed laminar flow hood of the present invention;

FIG. 2 is a schematic structural view of an annular rubber ring of the fluid groove sealing type laminar flow hood of the present invention;

fig. 3 is an enlarged schematic structural diagram of a liquid tank sealed laminar flow hood according to the present invention.

In the figure: 1. a housing; 2. an inner shell; 3. a wind scooper; 4. a circular ring; 5. a limiting ring; 6. a first annular groove; 7. liquid sealing glue solution; 8. a filter; 9. a fan; 10. a second annular groove; 11. a third annular groove; 12. an annular rubber ring; 13. an inflation valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a liquid tank sealed laminar flow hood comprises an outer shell 1 and an inner shell 2, wherein the inner shell 2 is inserted into an inner cavity of the outer shell 1, a fan 9 is fixedly inserted into the top of the inner shell 2 in a penetrating mode, and a filter 8 is fixedly connected to the tail end of the fan 9;

a circular ring 4 is mounted on the lower side of the inner wall of the outer shell 1, a first annular groove 6 is formed in the top of the circular ring 4, a limiting ring 5 is integrally formed at the bottom of the inner shell 2, the limiting ring 5 is inserted into the first annular groove 6, and liquid sealing glue 7 is injected into the inner cavity of the first annular groove 6;

second annular groove 10 has been seted up to the inner wall upside of shell 1, third ring channel 11 has been seted up at the top of inner shell 2, annular rubber circle 12 is installed to the inner chamber upside of shell 1, second annular groove 10 and third ring channel 11 are blocked respectively to the both sides outer lane of annular rubber circle 12.

In this embodiment, utilize liquid to seal glue solution 7 and carry out preliminary sealing in through spacing ring 5 and first ring channel 6, then seal again through annular rubber circle 12 and second ring channel 11 and the 12 interference fit of third ring channel, double seal to show promotion sealed effect.

In this embodiment, the inner wall of the annular rubber ring 12 is communicated with an inflation valve 13, and the inflation valve 13 is used for inflating the annular rubber ring 12.

In this embodiment, the bottom of the housing 1 is fixedly connected with an air guiding cover 3, and the air guiding cover 3 guides air.

In this embodiment, the inner casing 2 and the outer casing of the blower 9 are integrally formed, so that no gap is formed between the inner casing 2 and the blower 9.

In this embodiment, the ring 4 and the housing 1 are integrally formed, so that a gap between the ring 4 and the housing 1 is avoided.

The working principle is as follows: at first the inner shell 2 inserts the 1 inner chamber of shell, make spacing ring 5 insert in the first ring channel 6, pour into the liquid seal glue solution 7 into in first ring channel 6 simultaneously, thereby can carry out the liquid seal, then go into second ring channel 10 and third ring channel 11 respectively card with the outer lane of annular rubber circle 12 in, then aerify through inflation valve 13 utilizing the air pump, then to inflation valve 13 sealing process, thereby make annular rubber circle 12 and second ring channel 10 and third ring channel 11 carry out interference fit, thereby make and seal once more, double sealing, thereby can effectually avoid unfiltered air to get into clean area, the user, after filtering through filter 8 through the fan extraction clean air again, it can to get into clean area through wind scooper 3, the device simple structure, and convenient operation, therefore, the clothes hanger is strong in practicability.

In addition, the utility model relates to a part that liquid tank sealed laminar flow cover includes is the parts that general standard component or the technical staff in this field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff, in this device idle department, with all electrical parts in the above-mentioned, its control computer and the power that refers to power component, electrical part and adaptation are connected through the wire, concrete connecting means should refer to in the following theory of operation, successively work order accomplishes electric connection between each electrical part, its detailed connecting means, for the well-known technique in this field, theory of operation and process are mainly introduced to the following, do not explain electrical control.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides a liquid tank sealed laminar flow cover, includes shell (1) and inner shell (2), its characterized in that: an inner shell (2) is inserted into an inner cavity of the outer shell (1), a fan (9) is fixedly inserted into the top of the inner shell (2) in a penetrating manner, and a filter (8) is fixedly connected to the tail end of the fan (9);

a circular ring (4) is mounted on the lower side of the inner wall of the outer shell (1), a first annular groove (6) is formed in the top of the circular ring (4), a limiting ring (5) is integrally formed at the bottom of the inner shell (2), the limiting ring (5) is inserted into the first annular groove (6), and liquid sealing glue (7) is injected into an inner cavity of the first annular groove (6);

second ring channel (10) have been seted up to the inner wall upside of shell (1), third ring channel (11) have been seted up at the top of inner shell (2), annular rubber circle (12) are installed to the inner chamber upside of shell (1), second ring channel (10) and third ring channel (11) are blocked respectively to the both sides outer lane of annular rubber circle (12).

2. The fluid bowl sealed laminar flow hood according to claim 1, wherein: the inner wall of the annular rubber ring (12) is communicated with an inflation valve (13).

3. The fluid bowl sealed laminar flow hood according to claim 1, wherein: the bottom of the shell (1) is fixedly connected with an air guide cover (3).

4. The fluid bowl sealed laminar flow hood according to claim 1, wherein: the inner shell (2) and the outer shell of the fan (9) are integrally formed.

5. The fluid bowl sealed laminar flow hood according to claim 1, wherein: the circular ring (4) and the shell (1) are integrally formed.