CN209333367U - A kind of laminar flow hood - Google Patents
A kind of laminar flow hood Download PDFInfo
- Publication number
- CN209333367U CN209333367U CN201822122099.9U CN201822122099U CN209333367U CN 209333367 U CN209333367 U CN 209333367U CN 201822122099 U CN201822122099 U CN 201822122099U CN 209333367 U CN209333367 U CN 209333367U
- Authority
- CN
- China
- Prior art keywords
- cover
- blast pipe
- laminar flow
- air
- flow hood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 244000309464 bull Species 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 14
- 238000004887 air purification Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of laminar flow hood, blast pipe, air inlet fan, high efficiency particulate air filter and air outlet are successively tightly connected from top to bottom, cover is provided with outside blast pipe, cover is set on blast pipe, and the side of cover body lower end and blast pipe is tightly connected, the upper surface of cover is fixed with electric machine support, motor is fixed on electric machine support, the end that motor output shaft passes through cover roof is connected with U-shaped cleaning bull stick, U-shaped cleaning bull stick two sides lower end is connected with cleaning brush, cleaning brush is in the crack between blast pipe and cover, multiple bar shaped air inlets are offered on the circumference side of cover, upper end positioned at the blast pipe of cleaning brush level height is provided with filter screen, the upper end of filter screen is provided with sealing plate；The structure design of the utility model is reasonable, and air purification efficiency is high, can effectively be purged to filter screen surface dirt, is suitble to promote the use of.
Description
Technical field
The utility model relates to purification techniques fields, and in particular to a kind of laminar flow hood.
Background technique
Laminar flow hood is operator to be shielded one of the equipment being isolated with product, is mainly used for avoiding contamination of products.
Then the air drawn from toilet uses the fan installed in the pressure cabin of top to pass perpendicularly through operating space by HEPA filtering
Domain provides the one-way flow air of ISO5 for key area.If but existing laminar flow hood does not use for a long time, the ash in air
Dirt can be deposited in the primary filter of laminar flow hood air inlet, so that the gap to primary filter results in blockage.
The utility model of Patent No. CN204891461U discloses a kind of purification laminar flow hood, which includes covering this
Body is set to the cover body top edge and protrudes from the wall of the cover body and be set to the wall surface both ends and this is enclosed
Wall is rotatably connected and is used to cover the first protective cover and the second protective cover of the wall surface, which is equipped with first
Axis hole, which, which is equipped with, is fixedly connected with first protective cover and be used to driving the of first protective cover rotation
One shaft, the first rotating shaft are inserted into the first shaft hole；The utility model passes through the first control switch and the second control switch
Control first rotating shaft and the second shaft rotation so that the first protective cover and the second protective cover rotation lid close, play prevent dust into
Enter the effect in filter screen, but prolonged use, in strainer also can adhesive dust result in blockage to filter screen, and this is practical
It is novel can not be to the function that filter screen gap is dredged.The laminar flow hood that can solve the above problem because the invention is a kind of is one
Item has technical problem to be solved.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of laminar flow hood.
To realize the above-mentioned technical purpose, the utility model is achieved through the following technical solutions:
A kind of laminar flow hood, including air inlet fan, high efficiency particulate air filter, air outlet and blast pipe, the blast pipe, air inlet fan,
High efficiency particulate air filter and air outlet are successively tightly connected from top to bottom, and cover is provided with outside the blast pipe, and the cover is arranged
On blast pipe, and the side of cover body lower end and blast pipe is tightly connected, and the upper surface of the cover is fixed with electric machine support, institute
It states and is fixed with motor on electric machine support, the end that the motor output shaft passes through cover roof is connected with U-shaped cleaning bull stick, described
U-shaped cleaning bull stick two sides lower end is connected with cleaning brush, and the cleaning brush is in the crack between blast pipe and cover, the cover
Multiple bar shaped air inlets are offered on the circumference side of body, the upper end positioned at the blast pipe of the cleaning brush level height is provided with
The upper end of filter screen, the filter screen is provided with sealing plate.
Further, dust removal hole is offered on the bottom wall of the cover body lower end, is provided with sealing stopple on the dust removal hole.
Further, the air outlet is internally provided with flow distribution plate.
Further, the motor output shaft passes through and realizes rotation connection by bearing at cover roof.
Further, the bar shaped air inlet on cover circumference side totally ten four.
Further, the cleaning silk on the cleaning brush realizes seamless contact with filter screen.
The beneficial effects of the utility model are:
The utility model is by opening up multiple bar shaped air inlets for the circumference side of cover, so as to avoid opening upwards
Air inlet is easy the deficiency of accumulation dust；Simultaneously by the U-shaped cleaning bull stick of motor driven, so that cleaning brush is on filtering net surface
Dust be dusted, solve and use for a long time, dust is attached to the problem of filter screen causes gap to block, and under clearing up
Dust can be removed from dirt hole, keep the inner clean of entire laminar flow hood.The structure design of the utility model is reasonable, uses peace
Convenient and reliable, air purification efficiency height is filled, it is suitable to promote the use of.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the main view planar structure schematic diagram of the utility model；
Fig. 2 is the main view inner plane structural schematic diagram of the utility model；
Fig. 3 is the U-shaped schematic perspective view for cleaning bull stick and cleaning brush in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1- air inlet fan, 2- high efficiency particulate air filter, 3- air outlet, 4- cover, 5- stop nut, 6- electric machine support, 7- motor, 8-
U-shaped cleaning bull stick, 9- cleaning brush, 10- bar shaped air inlet, 11- filter screen, 12- sealing plate, 13- dust removal hole, 14- seal stopple,
15- flow distribution plate, 16- bearing, 901- clean silk.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-3, a kind of laminar flow hood, including air inlet fan 1, high efficiency particulate air filter 2, air outlet 3 and blast pipe
4, wherein blast pipe 4, air inlet fan 1, high efficiency particulate air filter 2 and air outlet 3 are successively tightly connected from top to bottom, are set outside blast pipe 4
It is equipped with cover 5, cover 5 is set on blast pipe 4, and 5 lower end of cover and the side of blast pipe 4 are tightly connected, the upper table of cover 5
Face is fixed with electric machine support 6, and motor 7 is fixed on electric machine support 6.
The end that 7 output shaft of motor passes through 5 roof of cover is connected with U-shaped cleaning bull stick 8, and wherein 7 output shaft of motor passes through
Rotation connection is realized by bearing 16 at 5 roof of cover, U-shaped 8 two sides lower end of cleaning bull stick is connected with cleaning brush 9, and cleaning brush 9
Cleaning silk 901 in crack between blast pipe 4 and cover 5, and on cleaning brush 9 and filter screen 11 realize it is seamless contact, cover
Multiple bar shaped air inlets 10 are offered on the circumference side of body 5, wherein the bar shaped air inlet 10 on 5 circumference side of cover totally ten four
It is a, the upper end of the blast pipe 4 of 9 level height of cleaning brush is provided with filter screen 11, the upper end of filter screen 11 is provided with sealing
Plate 12.
In addition, offering dust removal hole 13 on the bottom wall of 5 lower end of cover, sealing stopple 14, outlet air are provided on dust removal hole 13
Mouth 3 is internally provided with the flow distribution plate 15 for being shunted to clean gas.
One concrete application of the present embodiment are as follows:
When the utility model is used, exhausting is carried out by air inlet fan 1, the air with dust positioned at 5 outside of outer cover
Enter inside outer cover 5 from bar shaped air inlet 10, enters in high efficiency particulate air filter 2 after then carrying out primary filtration by filter screen 11
It is filtered, the purification air after high efficiency particulate air filter 2 is filtered vertically is blown down from air outlet 3, and passes through flow distribution plate
15 carry out gas distribution.
When laminar flow hood use overlong time when, when clean-up effect is bad, start motor 7,7 output shaft lower end of motor it is U-shaped
It cleans bull stick 8 to rotate, so that cleaning brush 9 cleans the surface of filter screen 11.Since cleaning silk 901 and filter screen 11 are seamless
Contact, can clear up 11 surface of filter screen, the blocked hole of filter screen 11 be dredged, so that clean-up effect
More preferably, the structure design of the utility model is reasonable, and easy to install and use reliable, air purification efficiency is high, is suitble to promote the use of.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific embodiment that the utility model is only yet.Obviously, according to this specification
Content, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, be in order to preferably explain
The principles of the present invention and practical application, so that skilled artisan be enable to better understand and utilize this practical
It is novel.The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. a kind of laminar flow hood, including air inlet fan (1), high efficiency particulate air filter (2), air outlet (3) and blast pipe (4), the air inlet
Pipe (4), air inlet fan (1), high efficiency particulate air filter (2) and air outlet (3) are successively tightly connected from top to bottom, it is characterised in that: described
It is provided with cover (5) outside blast pipe (4), the cover (5) is set on blast pipe (4), and cover (5) lower end and blast pipe
(4) side is tightly connected, and the upper surface of the cover (5) is fixed with electric machine support (6), fixed on the electric machine support (6)
Have motor (7), the end that motor (7) output shaft passes through cover (5) roof is connected with U-shaped cleaning bull stick (8), described U-shaped
It cleans bull stick (8) two sides lower end to be connected with cleaning brush (9), the cleaning brush (9) is located between blast pipe (4) and cover (5)
In crack, multiple bar shaped air inlets (10) are offered on the circumference side of the cover (5), and it is horizontal to be located at the cleaning brush (9)
The upper end of the blast pipe (4) of height is provided with filter screen (11), and the upper end of the filter screen (11) is provided with sealing plate (12).
2. a kind of laminar flow hood according to claim 1, it is characterised in that: offered on the bottom wall of cover (5) lower end
Dust removal hole (13) is provided with sealing stopple (14) on the dust removal hole (13).
3. a kind of laminar flow hood according to claim 1, it is characterised in that: the air outlet (3) is internally provided with flow distribution plate
(15)。
4. a kind of laminar flow hood according to claim 1, it is characterised in that: motor (7) output shaft is pushed up across cover (5)
Rotation connection is realized by bearing (16) at wall.
5. a kind of laminar flow hood according to claim 1, it is characterised in that: bar shaped on cover (5) the circumference side into
Totally ten four, air port (10).
6. a kind of laminar flow hood according to claim 1, it is characterised in that: cleaning silk (901) on the cleaning brush (9) with
Filter screen (11) realizes seamless contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122099.9U CN209333367U (en) | 2018-12-18 | 2018-12-18 | A kind of laminar flow hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122099.9U CN209333367U (en) | 2018-12-18 | 2018-12-18 | A kind of laminar flow hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333367U true CN209333367U (en) | 2019-09-03 |
Family
ID=67757415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822122099.9U Expired - Fee Related CN209333367U (en) | 2018-12-18 | 2018-12-18 | A kind of laminar flow hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209333367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980975A (en) * | 2020-09-02 | 2020-11-24 | 中科圣杰(深圳)科技集团有限公司 | Explosion-proof type FFU fan filter unit |
| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
| CN118881604A (en) * | 2024-09-27 | 2024-11-01 | 台州天工医化设备有限公司 | A vacuum generating device based on Venturi effect and its process method |
-
2018
- 2018-12-18 CN CN201822122099.9U patent/CN209333367U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980975A (en) * | 2020-09-02 | 2020-11-24 | 中科圣杰(深圳)科技集团有限公司 | Explosion-proof type FFU fan filter unit |
| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
| CN118881604A (en) * | 2024-09-27 | 2024-11-01 | 台州天工医化设备有限公司 | A vacuum generating device based on Venturi effect and its process method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |