CN216259652U - High-efficiency filter for biological safety cabinet - Google Patents
High-efficiency filter for biological safety cabinet Download PDFInfo
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- CN216259652U CN216259652U CN202122279615.0U CN202122279615U CN216259652U CN 216259652 U CN216259652 U CN 216259652U CN 202122279615 U CN202122279615 U CN 202122279615U CN 216259652 U CN216259652 U CN 216259652U
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Abstract
The utility model discloses a high-efficiency filter for a biological safety cabinet in the field of filtering equipment, which comprises a machine body, wherein a mounting seat is arranged in the middle of the right side of the machine body, a limiting seat is arranged at the upper end of the mounting seat and fixedly connected with the mounting seat, an air pump is arranged at the upper end of the limiting seat, two air pipes are arranged at the upper end of the air pump, air storage pipelines are arranged at the upper ends of the air pipes and are communicated with the insides of the air pipes, two limiting rings are arranged at the outer sides of the air storage pipelines, the air pipes are fixedly connected with the air pump through designed air pipes, the air pump is started, air pressure generated in the air pump is conveyed into the two air pipes at the upper end, the air pressure enters the two air storage channels through the two air pipes, a plurality of air outlet holes are arranged at the lower end of each air storage channel and are communicated with the inside of the machine body, the air pressure is sprayed out of the plurality of the air outlet holes to blow off dust adsorbed on the surface of an HEPA filter screen, the HEPA filter screen is convenient to clean, the filter can be automatically cleaned, and the practicability of the filter is effectively improved.
Description
Technical Field
The utility model relates to the field of filtering equipment, in particular to a high-efficiency filter for a biological safety cabinet.
Background
The biological safety cabinet is a box type air purification negative pressure safety device capable of preventing aerosol from dissipating due to the fact that some dangerous or unknown biological particles are contained in the experimental operation and treatment process, is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like, is the most basic safety protection equipment in a primary protection barrier in laboratory biological safety, and has the working principle that air in the cabinet is sucked outwards to keep the interior of the cabinet in a negative pressure state, workers are protected by vertical air flow, outside air is filtered by a high-efficiency air filter and then enters the safety cabinet to avoid pollution of a treatment sample, and air in the cabinet is filtered by an HEPA filter and then is discharged into the atmosphere to protect the environment.
Among the prior art, high efficiency filter for biological safety cabinet needs regularly to pull down the filter screen and clear up or change after using, makes the use of filter inconvenient, and the inconvenient dismantlement of filter screen in the filter reduces the practicality and the convenience of filter, and the filter screen needs artifical manual to be cleaned, has improved the cost of labor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency filter for a biological safety cabinet, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a high efficiency filter for biosafety cabinet, includes the organism, organism right side mid-mounting has the mount pad, spacing seat is installed to the mount pad upper end, spacing seat and mount pad fixed connection, the air pump is installed to spacing seat upper end, two tracheas are installed to the air pump upper end, gas storage pipeline is all installed to the trachea upper end, gas storage pipeline all communicates with the trachea is inside, two spacing rings are all installed in the gas storage pipeline outside, gas storage pipeline all through spacing ring and organism fixed connection, a plurality of gas outlets are all installed to gas storage pipeline lower extreme, the gas outlet all communicates with the organism is inside.
As a further scheme of the utility model: organism mid-mounting has spacing, spacing inside is provided with two fretwork grooves, the fretwork groove all with spacing inside intercommunication, start the air pump, in the strong pressure that the air pump produced got into two gas storage pipelines, spout from a plurality of gas outlets, wash the dust on HEPA filter screen surface.
As a still further scheme of the utility model: the drawer is installed to spacing lower extreme, drawer and organism swing joint, drawer front end mid-mounting helps draws the handle, and the dust falls into the collection in the drawer, and the drawer can be drawn and fall the dust.
As a still further scheme of the utility model: the limiting frame is provided with a groove in the middle, a clamping block is mounted in the middle of the upper end of the machine body, the clamping block is fixedly connected with the machine body, the frame can be inserted into the groove through the groove, and the frame and the HEPA filter screen are limited.
As a still further scheme of the utility model: the frame is installed to the recess upper end, the inside HEPA filter screen that is provided with of frame, HEPA filter screen and frame fixed connection, inside inserting the frame recess, can be spacing with the bottom of frame, make the fixed of frame more convenient.
As a still further scheme of the utility model: the limiting block is installed at the upper end of the frame, the supporting strip is installed at the rear end of the right side of the limiting block, the supporting strip and the limiting block are fixedly connected, the limiting block can be plugged into a gap in the upper end of the frame, the frame is limited, the limiting block can be limited through installation of the clamping block, the supporting strip can be pulled, the limiting block is taken out, the frame can be directly taken out, and the HEPA filter screen is replaced.
As a still further scheme of the utility model: two bases are installed to the organism lower extreme, base and organism fixed connection with base internally mounted nut, use the nut can be spacing with the organism, make the organism more firm when using.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the designed air pipes, the air storage channels, the limiting rings and the air outlets, the air pipes are fixedly connected with the air pump, the air pump is started, air pressure generated in the air pump is conveyed into the two upper air pipes, the air pressure enters the two air storage channels through the two air pipes, the lower ends of the air storage channels are respectively provided with a plurality of air outlets, the air outlets are communicated with the interior of the machine body, and the air pressure is sprayed out of the air outlets to blow off dust adsorbed on the surface of the HEPA filter screen, so that the HEPA filter screen is convenient to clean, the filter can realize automatic cleaning, and the practicability of the filter is effectively improved.
According to the utility model, through the designed clamping block, the groove, the limiting block and the pull assisting strip, the clamping block is arranged in the middle of the upper end of the inner side of the machine body and is fixedly connected with the machine body, the HEPA filter screen is arranged in the groove through the frame, the groove is clamped into the bottom of the frame, the limiting block can be plugged into the upper end of the frame, the upper end of the frame is fixed through the installation of the limiting block, the limiting of the frame is completed, when the frame and the HEPA filter screen are disassembled, the pull assisting strip can be held to draw out the limiting block, the frame is directly taken out, the HEPA filter screen is convenient to disassemble, and the convenience of the machine body is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the groove of the present invention;
FIG. 3 is a schematic structural diagram of a fixture block according to the present invention;
FIG. 4 is a schematic view of the structure of the air outlet of the present invention.
In the figure: 1. a body; 2. a limiting frame; 3. hollowing out the grooves; 4. a groove; 5. a frame; 6. a HEPA filter screen; 7. a drawer; 8. a pull-assisting handle; 9. a base; 10. a mounting seat; 11. a limiting seat; 12. an air pump; 13. an air tube; 14. a gas storage channel; 15. a limiting ring; 16. a limiting block; 17. a bracing aid; 18. a clamping block; 19. and an air outlet.
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 4, in the embodiment of the present invention, an efficient filter for a biological safety cabinet includes a body 1, a mounting base 10 is installed in the middle of the right side of the body 1, a limiting base 11 is installed at the upper end of the mounting base 10, the limiting base 11 is fixedly connected to the mounting base 10, an air pump 12 is installed at the upper end of the limiting base 11, two air pipes 13 are installed at the upper end of the air pump 12, air storage pipes 14 are installed at the upper ends of the air pipes 13, the air storage pipes 14 are all communicated with the interiors of the air pipes 13, two limiting rings 15 are installed at the outer sides of the air storage pipes 14, the air storage pipes 14 are all fixedly connected to the body 1 through the limiting rings 15, a plurality of air outlets 19 are installed at the lower ends of the air storage pipes 14, and the air outlets 19 are all communicated with the interiors of the body 1.
Wherein, 1 mid-mounting of organism has spacing 2, and spacing 2 is inside to be provided with two fretwork grooves 3, and fretwork groove 3 all communicates with spacing 2 is inside, during the use, starts air pump 12, and the strong pressure that air pump 12 produced gets into two gas storage pipeline 14 in, from the blowout of a plurality of gas outlets 19, washes the dust on 6 surfaces of HEPA filter screen, makes the dust fall into inside fretwork groove 3 through its self gravity.
The drawer 7 is installed to spacing 2 lower extreme, and drawer 7 and organism 1 swing joint, and drawer 7 front end middle part is installed and is helped drawing handle 8, and during the use, the dust falls into the collection in the drawer 7, and the drawer 7 can be drawn and fall the dust, the clearance of the dust of being convenient for.
Spacing 2 middle parts are provided with recess 4, and 1 upper end mid-mounting of organism has fixture block 18, and fixture block 18 and 1 fixed connection of organism, during the use, through the setting of recess 4, can insert recess 4 with frame 5, and it is spacing with frame 5 and HEPA filter screen 6, through the installation of fixture block 18, the fixed of frame 5 of can being convenient for.
A limiting block 16 is installed at the upper end of the frame 5, a supporting strip 17 is installed at the rear end of the right side of the limiting block 16, the supporting strip 17 is fixedly connected with the limiting block 16, the limiting block 16 can be plugged into a gap in the upper end of the frame 5 during use, the frame 5 is limited, the limiting block 16 can be limited through installation of a clamping block 18, the supporting strip 17 can be pulled, the limiting block 16 is pulled out, the frame 5 can be directly taken out, and the HEPA filter screen 6 is replaced.
Two bases 9 are installed to 1 lower extreme of organism, and base 9 and 1 fixed connection of organism, during the use, with 9 internally mounted nuts of base, use the nut can be spacing with organism 1, make organism 1 more firm when using.
The working principle of the utility model is as follows: firstly, a machine body 1 is placed in a biological safety cabinet, the machine body 1 is fixed by nuts, a frame 5 with an HEPA filter screen 6 is placed in a groove 4 in the machine body 1, then a limit block 16 is plugged into a gap at the upper end of the frame 5 to limit the frame 5, a clamp block 18 is fixedly installed at the upper end of the inner side of the machine body 1, the limit block 16 can be limited by the clamp block 18, the frame 5 and the HEPA filter screen 6 are convenient to detach, when the machine body 1 is used, the HEPA filter screen 6 needs to be cleaned periodically, an air pump 12 is started, air pressure is generated in the air pump 12, the air pressure enters two air storage channels 14 through two air pipes 13 and is discharged from a plurality of air outlets 19, dust on the surface of the HEPA filter screen 6 can be blown off by strong air pressure, automatic cleaning of the HEPA filter screen 6 is realized, the blown off dust can fall into a hollow groove 3 by gravity and directly fall into a drawer 7, the dust is convenient to clean, after the machine body 1 is used for a long time, need demolish the change with HEPA filter screen 6, need the staff manual will help brace 17 to pull out, help brace 17 to drive stopper 16 and pull out, can directly take out frame 5 in recess 4, accomplish the dismantlement of frame 5 and HEPA filter screen 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a high efficiency filter for biological safety cabinet, includes organism (1), its characterized in that: organism (1) right side mid-mounting has mount pad (10), spacing seat (11) are installed to mount pad (10) upper end, spacing seat (11) and mount pad (10) fixed connection, air pump (12) are installed to spacing seat (11) upper end, two trachea (13) are installed to air pump (12) upper end, gas storage pipeline (14) are all installed to trachea (13) upper end, gas storage pipeline (14) all communicate with trachea (13) are inside, two spacing rings (15) are all installed in gas storage pipeline (14) outside, gas storage pipeline (14) all pass through spacing ring (15) and organism (1) fixed connection, a plurality of gas outlets (19) are all installed to gas storage pipeline (14) lower extreme, gas outlet (19) all communicate with organism (1) are inside.
2. The high efficiency filter for biosafety cabinets of claim 1, wherein: the engine body (1) is provided with a limiting frame (2) in the middle, two hollow grooves (3) are formed in the limiting frame (2), and the hollow grooves (3) are communicated with the limiting frame (2) in the inner portion.
3. The high efficiency filter for biosafety cabinets according to claim 2, wherein: drawer (7) are installed to spacing (2) lower extreme, drawer (7) and organism (1) swing joint, drawer (7) front end mid-mounting helps and draws handle (8).
4. The high efficiency filter for biosafety cabinets according to claim 2, wherein: the middle of the limiting frame (2) is provided with a groove (4), the middle of the upper end of the machine body (1) is provided with a clamping block (18), and the clamping block (18) is fixedly connected with the machine body (1).
5. The high efficiency filter for biosafety cabinets of claim 4, wherein: frame (5) are installed to recess (4) upper end, frame (5) inside is provided with HEPA filter screen (6), HEPA filter screen (6) and frame (5) fixed connection.
6. The high efficiency filter for biosafety cabinets of claim 5, wherein: a limiting block (16) is installed at the upper end of the frame (5), a supporting strip (17) is installed at the rear end of the right side of the limiting block (16), and the supporting strip (17) is fixedly connected with the limiting block (16).
7. The high efficiency filter for biosafety cabinets of claim 1, wherein: two bases (9) are installed to organism (1) lower extreme, base (9) and organism (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122279615.0U CN216259652U (en) | 2021-09-22 | 2021-09-22 | High-efficiency filter for biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122279615.0U CN216259652U (en) | 2021-09-22 | 2021-09-22 | High-efficiency filter for biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216259652U true CN216259652U (en) | 2022-04-12 |
Family
ID=81064005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122279615.0U Active CN216259652U (en) | 2021-09-22 | 2021-09-22 | High-efficiency filter for biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216259652U (en) |
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2021
- 2021-09-22 CN CN202122279615.0U patent/CN216259652U/en active Active
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