CN215844776U - Ventilation cabinet for detection - Google Patents
Ventilation cabinet for detection Download PDFInfo
- Publication number
- CN215844776U CN215844776U CN202121648608.7U CN202121648608U CN215844776U CN 215844776 U CN215844776 U CN 215844776U CN 202121648608 U CN202121648608 U CN 202121648608U CN 215844776 U CN215844776 U CN 215844776U
- Authority
- CN
- China
- Prior art keywords
- air suction
- fume hood
- shell
- paint
- processing chamber
- 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
- 238000001514 detection method Methods 0.000 title abstract description 12
- 238000009423 ventilation Methods 0.000 title description 5
- 239000003517 fume Substances 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 235000009161 Espostoa lanata Nutrition 0.000 claims description 62
- 240000001624 Espostoa lanata Species 0.000 claims description 62
- 238000001914 filtration Methods 0.000 claims description 62
- 238000007790 scraping Methods 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 19
- 241000238008 Cerithidea rhizophorarum Species 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 73
- 239000007789 gas Substances 0.000 abstract description 25
- 238000005507 spraying Methods 0.000 abstract description 21
- 239000011521 glass Substances 0.000 abstract description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000007921 spray Substances 0.000 description 10
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fume hood for detection, which relates to the field of fume hoods for detection, and comprises a fume hood, wherein a processing chamber is arranged in the fume hood, an inlet and an outlet are arranged at the front end of the processing chamber, an air suction hole is arranged on the front side surface of the fume hood, an air suction pump is arranged on the upper end surface of the fume hood, an air suction pipeline is communicated and arranged at the bottom of the air suction pump, in order to reduce the influence of harmful gas generated during paint spraying on personnel and environment, the fume hood is arranged, paint spraying is carried out in the processing chamber during paint spraying, a corresponding automatic paint spraying mechanism is arranged in the existing fume hood, the details are not repeated, a piece to be painted enters and exits the processing chamber from the inlet and the outlet, when paint spraying, the air suction pump is started, a glass door is arranged at the inlet and the outlet, air suction holes are used for sucking air into the processing chamber, the harmful gas is sequentially discharged from the air suction piece, the air suction pipeline and the air suction pump, and the existing air suction pump is intensively connected with a filter through the pipeline, the harmful gas is discharged after being intensively purified.
Description
Technical Field
The utility model relates to the field of detection fume hoods, in particular to a detection fume hood.
Background
The fume hood mainly has an exhaust function, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated in the experiment operation in a chemical laboratory, and the fume hood is used near a pollution source in order to protect the safety of a user and prevent the diffusion of the pollutants in the experiment to the laboratory.
And the ventilation cabinet in the laboratory can hold the piece of spraying paint, is discharged harmful gas when the piece of spraying paint is sprayed paint, but the in-process that sprays paint partly can be followed wind and got into discharge pipe and filtration equipment, causes the jam, gathers the paint vehicle in discharge pipe and the filtration equipment, easily releases harmful gas such as formaldehyde for a long time.
Therefore, it is necessary to provide a fume hood for testing to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fume hood for detection, which aims to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fume chamber is used in detection, includes the fume chamber, the inside of fume chamber is provided with the processing cavity, and the front end of processing cavity is provided with exit, the leading flank of fume chamber is provided with the hole of induced drafting, and the upper end surface of fume chamber is provided with the air suction pump, and the bottom intercommunication of air suction pump is provided with the air suction pipeline, and the lower extreme of air suction pipeline extends to in the processing cavity, and the one end that the air suction pipeline extends to in the processing cavity is provided with the piece of induced drafting, the piece of induced drafting is including the loudspeaker casing of fixed welding in the air suction pipeline bottom, and the opening of loudspeaker casing is down, the inside of loudspeaker casing and the inside intercommunication of air suction pipeline, and the activity is provided with the scraping mechanism that filters cotton ball and scraping filter cotton ball surface in the loudspeaker casing.
Preferably, scraping mechanism includes the base plate of fixed welding on loudspeaker shells inner wall, the spring of fixed welding in the base plate bottom, and the scraping board of fixed welding in the spring bottom, scraping board activity laminating is on the surface of filtering the cotton ball, and the scraping board laminating is provided with the raised grain in one side of filtering the cotton ball surface.
In order to reduce the harmful gas that produces when spraying paint to the influence of personnel and environment, be provided with the fume chamber, spray paint in the processing cavity during spraying paint, be provided with corresponding automatic mechanism that sprays paint in the current fume chamber, do not do the repeated description here, treat that the piece that sprays paint from the business turn over department processing cavity, when spraying paint, the induced draft pump starts, business turn over department is provided with the glass door and closes, induced draft department induced drafts and gets into in the processing cavity, follow the piece that induced drafts in proper order with harmful gas, the air suction pipeline, the induced draft pump is discharged, and the induced draft pump among the current is connected with the filter through pipeline centralization, purify the back discharge to harmful gas, the feature of environmental protection is good.
When the air is pumped out from the air suction piece, the air can bring out a part of paint, the air with the paint is directly discharged into the air suction pipeline, the air suction pump and the filter, a large amount of paint exists in the air suction piece, the air suction pipeline, the air suction pump and the filter for a long time, the blockage is formed, and the formaldehyde and other harmful substances are easily released for a long time;
it should be noted that the filtering cotton balls are movably arranged in the horn shell and completely block the opening at the lower end of the horn shell, and the gas can only enter the air suction pipeline after passing through the filtering cotton balls;
preferably, the filtering cotton balls can be arranged to be in an eccentric ball structure and can easily rotate with the wind.
Furthermore, when the paint in the gas is attached to the filtering cotton balls, the filtering cotton balls rotate by taking the middle shaft as a shaft, the upper surfaces of the filtering cotton balls are scraped through the concave-convex patterns on the surfaces of the scraping plates, the paint on the surfaces of the filtering cotton balls is removed in real time, and the ventilation efficiency of the filtering cotton balls is ensured;
wherein, the spring can exert pressure to the scraping board for the scraping board is laminated all the time on the surface of filtering the cotton ball, has guaranteed that the paint vehicle on filtering the cotton ball surface scrapes completely.
Preferably, the scraping plate is of an arc-shaped plate structure and is attached to the upper half outer ring of the filtering cotton ball.
Specifically, the scraping plate is arranged to be an arc-shaped plate-shaped structure, so that the scraping plate can be better attached to the outer ring of the filtering cotton ball, and when the filtering cotton ball rotates, the scraping plate scrapes paint on all the surfaces of the filtering cotton ball.
Preferably, the bottom inner ring of the horn shell is integrally provided with a collection shell which is turned upwards, a collection cavity is formed between the collection shell and the horn shell, and the upper end of the collection cavity is provided with a collection opening communicated with the interior of the horn shell.
In the embodiment, collect the opening and correspond in one side of filtering the cotton ball, can drop through collecting the opening when the paint vehicle of filtering the cotton ball outer lane is scraped off and collect in collecting the chamber, conveniently collect dumped paint vehicle.
Preferably, the middle part of the filtering cotton ball is fixedly provided with a rotating sleeve, the middle part of the rotating sleeve is movably inserted with an intermediate shaft, the intermediate shaft is transversely arranged, and two ends of the intermediate shaft are respectively movably inserted on the inner walls of the collecting shells at two sides of the horn shell.
Furthermore, the middle part of the filtering cotton ball is fixedly provided with a rotating sleeve, and the filtering cotton ball is convenient to rotate through the matching between the rotating sleeve and the middle shaft.
Preferably, the bottom of the collecting shell is provided with cleaning holes, the sealing plugs at the cleaning holes are provided with plungers, and the cleaning holes are provided with multiple groups along the circular track at the bottom of the collecting shell.
In this embodiment, for the convenient paint vehicle that collects in the collection chamber discharges, be provided with the clearance hole in the bottom of collecting the casing, can clear up the paint vehicle that collects in the collection chamber of discharging when opening the plunger in the clearance hole, and the clearance hole is provided with the multiunit, can arrange the paint vehicle of storage in the collection chamber clean.
Preferably, the bottom of the collecting shell is of an arc groove structure protruding downwards, and the cleaning holes are formed in the lower end of the arc groove structure.
It should be noted that, in order to further completely discharge the paint vehicle collected in the collection cavity, the bottom of the collection housing is provided with an arc-shaped groove structure, so that the paint vehicle can be conveniently discharged from the bottom cleaning hole of the collection housing where the paint vehicle is concentrated downward.
The utility model has the technical effects and advantages that:
1. the utility model relates to a fume hood for detection, which comprises a fume hood, wherein a processing cavity is arranged in the fume hood, an inlet and an outlet are arranged at the front end of the processing cavity, an air suction hole is arranged on the front side surface of the fume hood, an air suction pump is arranged on the upper end surface of the fume hood, an air suction pipeline is communicated and arranged at the bottom of the air suction pump, the fume hood is arranged for reducing the influence of harmful gas generated in paint spraying on personnel and environment, paint spraying is carried out in the processing cavity in paint spraying, a corresponding automatic paint spraying mechanism is arranged in the existing fume hood, the details are not repeated, a piece to be painted enters and exits the processing cavity from the inlet and the outlet, the air suction pump is started when paint spraying, a glass door is arranged at the inlet and the outlet, air is sucked into the processing cavity at the air suction hole, the harmful gas is discharged from the air suction piece, the air suction pipeline and the air suction pump in sequence, and the existing air suction pump is intensively connected with a filter through the pipeline, harmful gas is discharged after being intensively purified, so that the environmental protection property is good;
2. according to the ventilating hood for detection, when gas is extracted from the air suction piece, the gas can bring out a part of paint, the gas with the paint is directly discharged into the air suction pipeline, the air suction pump and the filter, the air suction piece, the air suction pipeline, the air suction pump and the filter can be blocked due to the existence of a large amount of paint for a long time, and harmful substances such as formaldehyde and the like can be easily released for a long time, so that the filtering cotton balls are movably arranged in the air suction piece, and when wind power enters the air suction pipeline from the air suction piece, the paint can be adhered to the surfaces of the filtering cotton balls and cannot enter the air suction pipeline, so that the purpose of filtering the paint is achieved;
3. according to the ventilating hood for detection, when the paint in the air is attached to the filtering cotton balls, the filtering cotton balls rotate by taking the middle shaft as the shaft, the upper surfaces of the filtering cotton balls are scraped through the concave-convex grains on the surfaces of the scraping plates, the paint on the surfaces of the filtering cotton balls is removed in real time, and the ventilating efficiency of the filtering cotton balls is guaranteed.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.
In the figure: 1. a fume hood; 2. a processing chamber; 3. an inlet and an outlet; 4. an air suction hole; 5. an air suction member; 6. a suction pump; 7. an air suction pipeline; 8. a horn housing; 9. a collection housing; 10. a collection opening; 11. a collection chamber; 12. filtering the cotton balls; 13. a scraping plate; 14. a spring; 15. a substrate; 16. rotating the sleeve; 17. an intermediate shaft; 18. cleaning the holes; 19. and a plunger.
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.
The utility model provides a fume hood for detection as shown in figures 1-4, which comprises a fume hood 1, wherein a processing chamber 2 is arranged inside the fume hood 1, an inlet and an outlet 3 are arranged at the front end of the processing chamber 2, an air suction hole 4 is arranged on the front side surface of the fume hood 1, an air suction pump 6 is arranged on the upper end surface of the fume hood 1, an air suction pipeline 7 is communicated with the bottom of the air suction pump 6, the lower end of the air suction pipeline 7 extends into the processing chamber 2, an air suction piece 5 is arranged at one end of the air suction pipeline 7 extending into the processing chamber 2, the air suction piece 5 comprises a horn shell 8 fixedly welded at the bottom of the air suction pipeline 7, the opening of the horn shell 8 is downward, the inside of the horn shell 8 is communicated with the inside of the air suction pipeline 7, and a scraping mechanism for filtering cotton balls 12 and scraping the surfaces of the filtering cotton balls 12 is movably arranged in the horn shell 8.
The scraping mechanism comprises a base plate 15 fixedly welded on the inner wall of the horn shell 8, a spring 14 fixedly welded at the bottom of the base plate 15, and a scraping plate 13 fixedly welded at the bottom of the spring 14, wherein the scraping plate 13 is movably attached to the surface of the filtering cotton ball 12, and one side of the scraping plate 13 attached to the surface of the filtering cotton ball 12 is provided with raised grains.
In order to reduce the harmful gas that produces when spraying paint to the influence of personnel and environment, be provided with fume chamber 1, spray paint in processing cavity 2 when spraying paint, be provided with corresponding automatic mechanism that sprays paint in the current fume chamber 1, do not need here to be repeated, treat that the piece that sprays paint passes in and out processing cavity 2 from importing and exporting 3, when spraying paint, induced draft pump 6 starts, import and export 3 departments are provided with the glass door and close, 4 departments of induced draft are induced drafted and are got into processing cavity 2, with harmful gas in proper order from induced draft piece 5, induced draft pipeline 7, induced draft pump 6 discharges, and induced draft pump 6 among the current has the filter through pipeline centralized connection, concentrate the exhaust after purifying harmful gas, the feature of environmental protection is good.
When the air is pumped out from the air suction piece 5, the air can bring out a part of paint, the air with the paint is directly discharged into the air suction pipeline 7, the air suction pump 6 and the filter, and a large amount of paint exists in the air suction piece 5, the air suction pipeline 7, the air suction pump 6 and the filter for a long time to form blockage, so that harmful substances such as formaldehyde and the like are easily released for a long time, therefore, the filtering cotton balls 12 are movably arranged in the air suction piece 5, and when wind power enters the air suction pipeline 7 from the air suction piece 5, the paint can be adhered to the surfaces of the filtering cotton balls 12 and cannot enter the air suction pipeline 7, so that the purpose of filtering the paint is achieved;
it should be noted that the filtering cotton balls 12 are movably arranged in the horn housing 8 and completely block the opening at the lower end of the horn housing 8, and the gas can only enter the air suction pipeline 7 after passing through the filtering cotton balls 12;
preferably, the filtering cotton ball 12 can be arranged in an eccentric sphere structure, and can easily rotate with the wind.
Furthermore, when the paint in the gas is attached to the filtering cotton balls 12, the filtering cotton balls 12 rotate by taking the middle shaft 17 as a shaft, the upper surfaces of the filtering cotton balls 12 are scraped through the concave-convex patterns on the surfaces of the scraping plates 13, the paint on the surfaces of the filtering cotton balls 12 is removed in real time, and the ventilation efficiency of the filtering cotton balls 12 is ensured;
wherein, the spring 14 can exert pressure to the scraping plate 13, so that the scraping plate 13 is always attached to the surface of the filtering cotton ball 12, and the paint on the surface of the filtering cotton ball 12 is completely scraped.
The scraping plate 13 is in an arc-shaped plate structure and is attached to the upper half outer ring of the filtering cotton ball 12.
Specifically, the scraping plate 13 is provided with an arc-shaped plate-shaped structure, so that the scraping plate can be better attached to the outer ring of the filtering cotton ball 12, and when the filtering cotton ball 12 rotates, paint on all the surface positions of the filtering cotton ball 12 is scraped.
The bottom inner ring of loudspeaker shell 8 department an organic whole is provided with the collection casing 9 of upwards rolling, collects and forms between casing 9 and the loudspeaker shell 8 and collects the chamber 11, collects the upper end of chamber 11 and is provided with the inside collection opening 10 of intercommunication loudspeaker shell 8.
In the embodiment, the collection opening 10 corresponds to one side of the filtering cotton ball 12, and when the paint on the outer ring of the filtering cotton ball 12 is scraped, the paint can fall into the collection cavity 11 through the collection opening 10 to be collected, so that the waste paint is convenient to collect.
The middle part of the filtering cotton ball 12 is fixedly provided with a rotating sleeve 16, the middle part of the rotating sleeve 16 is movably inserted with a middle shaft 17, the middle shaft 17 is transversely arranged, and two ends of the middle shaft 17 are respectively movably inserted on the inner walls of the collecting shells 9 at two sides of the horn shell 8.
Furthermore, a rotating sleeve 16 is fixedly arranged in the middle of the filtering cotton ball 12, and the filtering cotton ball 12 is convenient to rotate through the matching between the rotating sleeve 16 and the middle shaft 17.
The bottom of the collecting shell 9 is provided with cleaning holes 18, the cleaning holes 18 are sealed and plugged with plungers 19, and the cleaning holes 18 are provided with a plurality of groups along the circular track of the cleaning holes 18 at the bottom of the collecting shell 9.
In this embodiment, in order to facilitate the discharge of the paint collected in the collection chamber 11, the bottom of the collection housing 9 is provided with cleaning holes 18, the paint collected in the collection chamber 11 can be cleaned when the plungers 19 in the cleaning holes 18 are opened, and the cleaning holes 18 are provided with a plurality of groups, so that the paint stored in the collection chamber 11 can be completely discharged.
The bottom of the collecting shell 9 is of an arc groove structure protruding downwards, and the cleaning holes 18 are formed in the lower end of the arc groove structure.
It should be noted that, in order to further completely discharge the paint collected in the collection cavity 11, the bottom of the collection housing 9 is provided with an arc-shaped groove structure, so that the paint can be discharged from the position of the bottom cleaning hole 18 of the collection housing 9 where the paint is collected downward.
The working principle is as follows: in order to reduce the harmful gas that produces when spraying paint to the influence of personnel and environment, be provided with fume chamber 1, spray paint in processing cavity 2 when spraying paint, be provided with corresponding automatic mechanism that sprays paint in the current fume chamber 1, do not need here to be repeated, treat that the piece that sprays paint passes in and out processing cavity 2 from importing and exporting 3, when spraying paint, induced draft pump 6 starts, import and export 3 departments are provided with the glass door and close, 4 departments of induced draft are induced drafted and are got into processing cavity 2, with harmful gas in proper order from induced draft piece 5, induced draft pipeline 7, induced draft pump 6 discharges, and induced draft pump 6 among the current has the filter through pipeline centralized connection, concentrate the exhaust after purifying harmful gas, the feature of environmental protection is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a detect and use fume chamber, includes fume chamber (1), its characterized in that: a processing chamber (2) is arranged in the fume hood (1), an inlet and an outlet (3) are arranged at the front end of the processing chamber (2), an air suction hole (4) is arranged on the front side surface of the fume hood (1), an air suction pump (6) is arranged on the upper end surface of the fume hood (1), an air suction pipeline (7) is communicated with the bottom of the air suction pump (6), the lower end of the air suction pipeline (7) extends into the processing chamber (2), and one end of the air suction pipeline (7) extending into the processing chamber (2) is provided with an air suction piece (5), induced draft piece (5) are including fixed welding loudspeaker casing (8) in air suction pipeline (7) bottom, and the opening of loudspeaker casing (8) is down, and the inside of loudspeaker casing (8) and the inside intercommunication of air suction pipeline (7), the activity is provided with in loudspeaker casing (8) and filters cotton ball (12) and scrapes the scraping mechanism that filters cotton ball (12) surface.
2. A fume hood for testing according to claim 1, wherein: scraping mechanism is including fixed welding base plate (15), the spring (14) of fixed welding in base plate (15) bottom on loudspeaker casing (8) inner wall, fixed welding is scraping board (13) in spring (14) bottom, scrape the surface of scraping board (13) activity laminating at filtration cotton ball (12), and one side of scraping board (13) laminating at filtration cotton ball (12) surface is provided with the raised grain.
3. A fume hood for testing according to claim 2, wherein: the scraping plate (13) is of an arc-shaped plate structure and is attached to the outer ring of the upper half of the filtering cotton ball (12).
4. A fume hood for testing according to claim 1, wherein: the horn shell is characterized in that a collection shell (9) which is turned upwards is integrally arranged at the inner ring of the bottom of the horn shell (8), a collection cavity (11) is formed between the collection shell (9) and the horn shell (8), and a collection opening (10) communicated with the interior of the horn shell (8) is formed in the upper end of the collection cavity (11).
5. A fume hood for testing according to claim 4, wherein: the middle part of the filtering cotton ball (12) is fixedly provided with a rotating sleeve (16), the middle part of the rotating sleeve (16) is movably inserted with an intermediate shaft (17), the intermediate shaft (17) is transversely arranged, and two ends of the intermediate shaft (17) are movably inserted on the inner walls of the collecting shells (9) at two sides of the horn shell (8) respectively.
6. A fume hood for testing according to claim 5, wherein: the bottom of the collecting shell (9) is provided with cleaning holes (18), plungers (19) are plugged in the cleaning holes (18) in a sealing mode, and multiple groups of cleaning holes (18) are arranged at the bottom of the collecting shell (9) along the circular track of the collecting shell.
7. A fume hood for testing according to claim 6, wherein: the bottom of the collecting shell (9) is of an arc groove structure protruding downwards, and the cleaning holes (18) are formed in the lower end of the arc groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648608.7U CN215844776U (en) | 2021-07-20 | 2021-07-20 | Ventilation cabinet for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648608.7U CN215844776U (en) | 2021-07-20 | 2021-07-20 | Ventilation cabinet for detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215844776U true CN215844776U (en) | 2022-02-18 |
Family
ID=80330524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121648608.7U Expired - Fee Related CN215844776U (en) | 2021-07-20 | 2021-07-20 | Ventilation cabinet for detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215844776U (en) |
-
2021
- 2021-07-20 CN CN202121648608.7U patent/CN215844776U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |