CN216093726U - Biosafety cabinet with low pollution and replaceable filter net - Google Patents
Biosafety cabinet with low pollution and replaceable filter net Download PDFInfo
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- CN216093726U CN216093726U CN202122290209.4U CN202122290209U CN216093726U CN 216093726 U CN216093726 U CN 216093726U CN 202122290209 U CN202122290209 U CN 202122290209U CN 216093726 U CN216093726 U CN 216093726U
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Abstract
The utility model discloses a biological safety cabinet with a low-pollution replaceable filter net, which relates to the technical field of biological safety cabinets and comprises a biological safety cabinet, wherein a filtering device is arranged above the biological safety cabinet, a supporting frame is arranged below the biological safety cabinet, a glass observation port is arranged on the front surface of the biological safety cabinet, a controller is arranged on the surface of the biological safety cabinet, and the biological safety cabinet comprises a biological safety cabinet shell. According to the utility model, through the matching work of the handle, the fixing block and the first telescopic rod, when the filter is replaced, the handle is pulled to pull the first telescopic rod to pull the fixing block back, so that the outer filtering frame is taken out for replacement, and the problems that the whole safety cabinet needs to be disassembled for replacement, a large amount of time is needed, time and labor are wasted, the working efficiency of equipment is reduced, and the use cost is increased in the conventional biological safety cabinet are solved, so that the effects of improving the working efficiency of the equipment and reducing the use cost are achieved.
Description
Technical Field
The utility model relates to the technical field of biological safety cabinets, in particular to a low-pollution biological safety cabinet with a replaceable filter net.
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 is provided with a filter for filtering harmful particles in air to avoid environmental pollution.
The following problems exist in the prior art:
1. after the filter is used for a long time, the filtering effect of the filter is reduced and needs to be replaced, the whole safety cabinet needs to be disassembled and then replaced in the conventional biological safety cabinet, a large amount of time is needed, time and labor are wasted, the working efficiency of equipment is reduced, and the use cost is increased;
2. the biological safety cabinet adopts ultraviolet lamp to disinfect mostly, and the ultraviolet lamp of current biological safety cabinet fixes the inner wall at biological safety cabinet, can not remove, and the abundant inside to biological safety cabinet of no way carries out abundant disinfection, leads to the availability factor of equipment to reduce, the problem that the practicality reduces.
SUMMERY OF THE UTILITY MODEL
The utility model provides a biological safety cabinet with a low-pollution replaceable filter net, which has the function of conveniently replacing a filter, and solves the problems that after the filter is used for a long time, the filtering effect of the filter is reduced, and the filter needs to be replaced; wherein another kind of purpose is disinfected in order to solve the biological safety cabinet and adopt ultraviolet lamp mostly, and the ultraviolet lamp of current biological safety cabinet is fixed at the inner wall of biological safety cabinet, can not remove, and the abundant inside to biological safety cabinet of no way carries out abundant disinfection, leads to the availability factor of equipment to reduce, the problem that the practicality reduces to reach the availability factor of improve equipment and the effect of practicality.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a biological safety cabinet of removable filter net of low pollution, includes biological safety cabinet, biological safety cabinet's top is provided with filter equipment, biological safety cabinet's below is provided with the support frame, biological safety cabinet's front is provided with the glass viewing aperture, biological safety cabinet's surface is provided with the controller.
The biological safety cabinet comprises a biological safety cabinet shell, the lower portion of the biological safety cabinet shell is arranged above the supporting frame, a motor is arranged inside the biological safety cabinet shell, a threaded rod is arranged at the output end of the motor, a moving block is arranged on the surface of the threaded rod, an ultraviolet lamp is arranged on the side face of the moving block, the surface of the ultraviolet lamp is arranged inside the biological safety cabinet shell, and a mounting groove is formed in the upper portion of the biological safety cabinet shell.
The technical scheme of the utility model is further improved as follows: the inner wall of the shell of the biological safety cabinet is provided with a groove, a ball is arranged in the groove, and the surface of the ball is movably connected to the surface of the threaded rod.
Adopt above-mentioned technical scheme, the ball auxiliary threaded rod in this scheme rotates, reduces the frictional force between recess and the threaded rod, prevents that the threaded rod from damaging because frictional force is too big.
The technical scheme of the utility model is further improved as follows: the filtering device comprises a filtering outer frame, the surface of the filtering outer frame is arranged in the mounting groove, a handle is arranged above the side face of the filtering outer frame, and a filter is arranged in the filtering outer frame.
Adopt above-mentioned technical scheme, the filter in this scheme filters the gaseous of pollution, and the setting up of handle is convenient to the change of filtering the frame.
The technical scheme of the utility model is further improved as follows: the outer wall of the filtering outer frame is provided with a fixing groove, a fixing block is arranged inside the fixing groove, a first telescopic rod is arranged on the side face of the fixing block, and the surface of the first telescopic rod is arranged inside the mounting groove.
Adopt above-mentioned technical scheme, the fixed block in this scheme is changing the filter and is following the inside roll-off of fixed slot, and after the change, telescopic link one promotes the fixed block and fixes filtering the frame.
The technical scheme of the utility model is further improved as follows: the filter frame is characterized in that a push block is arranged below the filter frame, a second telescopic rod is arranged below the push block, a connecting frame is arranged below the second telescopic rod, and the side face of the connecting frame is arranged on the surface of the mounting groove.
By adopting the technical scheme, the telescopic rod II in the scheme pushes the push block to provide assistance when the filter is replaced.
The technical scheme of the utility model is further improved as follows: the middle of the connecting frame is provided with a fan, an air suction opening is arranged below the connecting frame, and the surface of the air suction opening is arranged inside the shell of the biological safety cabinet.
By adopting the technical scheme, the fan in the scheme rotates to perform air draft on the inside of the shell of the biological safety cabinet through the air draft inlet, the air inside the shell of the biological safety cabinet is drawn out, and the air is ventilated inside the shell of the biological safety cabinet.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a biological safety cabinet with a low-pollution replaceable filter net, which is characterized in that a fixing block is clamped in a fixing groove to fix a filtering outer frame through the matching work of a handle, the fixing block and a first telescopic rod, and when a filter is replaced, the handle is pulled to enable the first telescopic rod to pull back the fixing block, so that the filtering outer frame is taken out to be replaced.
2. The utility model provides a biological safety cabinet with a low-pollution replaceable filter net, which is characterized in that a movable block is driven to move by rotating a threaded rod, so that an ultraviolet lamp is driven to move up and down along the inner wall of a shell of the biological safety cabinet, the biological safety cabinet is more comprehensively sterilized, and the problems that the ultraviolet lamp of the conventional biological safety cabinet cannot move, the inside of the biological safety cabinet cannot be sufficiently sterilized, the use efficiency of equipment is reduced, and the practicability is reduced are solved, so that the effects of improving the use efficiency and the practicability of the equipment are achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a section of the biosafety cabinet of the present invention;
FIG. 3 is a schematic structural view of a cross section of a filter device according to the present invention;
FIG. 4 is a schematic view of the structure of the filtration frame of the present invention.
In the figure: 1. a biological safety cabinet; 2. a filtration device; 3. a support frame; 4. a glass viewing port; 5. a controller; 11. a biosafety cabinet housing; 12. a motor; 13. a threaded rod; 14. a moving block; 15. an ultraviolet lamp; 16. a ball bearing; 17. mounting grooves; 18. a groove; 20. fixing grooves; 21. filtering the outer frame; 22. a handle; 23. a filter; 24. a first telescopic rod; 25. a fan; 26. a fixed block; 27. a second telescopic rod; 28. a push block; 29. a connecting frame; 30. an air suction opening.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the present invention provides a biological safety cabinet with a low pollution and replaceable filter net, comprising a biological safety cabinet 1, wherein a filtering device 2 is arranged above the biological safety cabinet 1, a supporting frame 3 is arranged below the biological safety cabinet 1, a glass viewing port 4 is arranged on the front surface of the biological safety cabinet 1, a controller 5 is arranged on the surface of the biological safety cabinet 1, a fan 25 is arranged in the middle of a connecting frame 29, an air suction port 30 is arranged below the connecting frame 29, and the surface of the air suction port 30 is arranged inside a shell 11 of the biological safety cabinet.
In this embodiment, the inside of the biosafety cabinet 1 is observed through the glass observation port 4, various functions of the biosafety cabinet 1 are controlled through the controller 5, the fan 25 rotates to draw air into the inside of the biosafety cabinet shell 11 through the air suction port 30, air inside the biosafety cabinet shell 11 is drawn out, and the inside of the biosafety cabinet shell 11 is ventilated.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the biosafety cabinet 1 comprises a biosafety cabinet shell 11, the lower part of the biosafety cabinet shell 11 is arranged above the supporting frame 3, a motor 12 is arranged inside the biosafety cabinet shell 11, an output end of the motor 12 is provided with a threaded rod 13, a moving block 14 is arranged on the surface of the threaded rod 13, an ultraviolet lamp 15 is arranged on the side surface of the moving block 14, the surface of the ultraviolet lamp 15 is arranged inside the biosafety cabinet shell 11, an installation groove 17 is formed in the upper part of the biosafety cabinet shell 11, a groove 18 is formed in the inner wall of the biosafety cabinet shell 11, a ball 16 is arranged inside the groove 18, and the surface of the ball 16 is movably connected to the surface of the threaded rod 13.
In this embodiment, the motor 12 is started to drive the threaded rod 13 to rotate, so as to drive the moving block 14 and the ultraviolet lamp 15 to move, so as to uniformly disinfect the inside of the shell 11 of the biosafety cabinet, and the balls 16 assist the threaded rod 13 to rotate, so as to reduce the friction force between the groove 18 and the threaded rod 13 and prevent the threaded rod 13 from being damaged due to too large friction force.
Example 3
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the filtering device 2 includes the filtering frame 21, the surface of the filtering frame 21 is arranged in the mounting groove 17, the handle 22 is arranged above the side surface of the filtering frame 21, the filter 23 is arranged in the filtering frame 21, the fixing groove 20 is formed in the outer wall of the filtering frame 21, the fixing block 26 is arranged in the fixing groove 20, the first telescopic rod 24 is arranged on the side surface of the fixing block 26, the surface of the first telescopic rod 24 is arranged in the mounting groove 17, the push block 28 is arranged below the filtering frame 21, the second telescopic rod 27 is arranged below the push block 28, the connecting frame 29 is arranged below the second telescopic rod 27, and the side surface of the connecting frame 29 is arranged on the surface of the mounting groove 17.
In this embodiment, the filter 23 filters polluted gas, the pulling handle 22 is used for replacing the filtering outer frame 21, the fixing block 26 slides out of the fixing groove 20 when the filter is replaced, after the replacement is finished, the first telescopic rod 24 pushes the fixing block 26 to fix the filtering outer frame 21, and the second telescopic rod 27 pushes the push block 28 to provide assistance when the filter is replaced.
The working principle of the biosafety cabinet with low-pollution replaceable filter net is described in detail below.
As shown in fig. 1-4, the filtering outer frame 21 is replaced by pulling the handle 22, the fixing block 26 slides out from the inside of the fixing groove 20 when the filter is replaced, the second expansion link 27 pushes the pushing block 28 to provide assistance when the filter is replaced, after the replacement is finished, the first expansion link 24 pushes the fixing block 26 to fix the filtering outer frame 21, the fan 25 rotates to exhaust the inside of the biosafety cabinet shell 11 through the air suction opening 30, air inside the biosafety cabinet shell 11 is exhausted, the inside of the biosafety cabinet shell 11 is ventilated, the filter 23 filters polluted gas, the motor 12 is started to drive the threaded rod 13 to rotate, so as to drive the moving block 14 and the ultraviolet lamp 15 to move, the inside of the biosafety cabinet shell 11 is uniformly disinfected, the ball 16 assists the threaded rod 13 to rotate, and friction between the groove 18 and the threaded rod 13 is reduced, the threaded rod 13 is prevented from being damaged due to too much friction.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (6)
1. A biosafety cabinet with low pollution and replaceable filter net, comprising a biosafety cabinet (1), characterized in that: a filtering device (2) is arranged above the biological safety cabinet (1), a support frame (3) is arranged below the biological safety cabinet (1), a glass observation port (4) is arranged on the front surface of the biological safety cabinet (1), and a controller (5) is arranged on the surface of the biological safety cabinet (1);
the biological safety cabinet (1) comprises a biological safety cabinet shell (11), the lower portion of the biological safety cabinet shell (11) is arranged above the support frame (3), a motor (12) is arranged inside the biological safety cabinet shell (11), a threaded rod (13) is arranged at the output end of the motor (12), a moving block (14) is arranged on the surface of the threaded rod (13), an ultraviolet lamp (15) is arranged on the side surface of the moving block (14), the surface of the ultraviolet lamp (15) is arranged inside the biological safety cabinet shell (11), and a mounting groove (17) is formed in the upper portion of the biological safety cabinet shell (11).
2. A biosafety cabinet with low contamination and replaceable filter web as claimed in claim 1 wherein: a groove (18) is formed in the inner wall of the biological safety cabinet shell (11), a ball (16) is arranged in the groove (18), and the surface of the ball (16) is movably connected to the surface of the threaded rod (13).
3. A biosafety cabinet with low contamination and replaceable filter web as claimed in claim 1 wherein: filter equipment (2) is including filtering frame (21), the surface setting of filtering frame (21) is in the inside of mounting groove (17), the side top of filtering frame (21) is provided with handle (22), the inside of filtering frame (21) is provided with filter (23).
4. A biosafety cabinet with low contamination and replaceable filter web according to claim 3, wherein: the outer wall of the filtering outer frame (21) is provided with a fixing groove (20), a fixing block (26) is arranged inside the fixing groove (20), a first telescopic rod (24) is arranged on the side face of the fixing block (26), and the surface of the first telescopic rod (24) is arranged inside the mounting groove (17).
5. A biosafety cabinet with low contamination and replaceable filter web according to claim 3, wherein: a push block (28) is arranged below the filtering outer frame (21), a second telescopic rod (27) is arranged below the push block (28), a connecting frame (29) is arranged below the second telescopic rod (27), and the side face of the connecting frame (29) is arranged on the surface of the mounting groove (17).
6. The biosafety cabinet with low contamination and replaceable filter mesh of claim 5, wherein: the middle of the connecting frame (29) is provided with a fan (25), an air suction opening (30) is arranged below the connecting frame (29), and the surface of the air suction opening (30) is arranged inside the biological safety cabinet shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290209.4U CN216093726U (en) | 2021-09-22 | 2021-09-22 | Biosafety cabinet with low pollution and replaceable filter net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290209.4U CN216093726U (en) | 2021-09-22 | 2021-09-22 | Biosafety cabinet with low pollution and replaceable filter net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216093726U true CN216093726U (en) | 2022-03-22 |
Family
ID=80735233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122290209.4U Active CN216093726U (en) | 2021-09-22 | 2021-09-22 | Biosafety cabinet with low pollution and replaceable filter net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216093726U (en) |
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2021
- 2021-09-22 CN CN202122290209.4U patent/CN216093726U/en active Active
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