CN219804653U - Two-stage biological safety cabinet - Google Patents
Two-stage biological safety cabinet Download PDFInfo
- Publication number
- CN219804653U CN219804653U CN202320157385.7U CN202320157385U CN219804653U CN 219804653 U CN219804653 U CN 219804653U CN 202320157385 U CN202320157385 U CN 202320157385U CN 219804653 U CN219804653 U CN 219804653U
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- Prior art keywords
- cabin
- disinfection
- plate
- observation
- fixed
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- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000006096 absorbing agent Substances 0.000 claims abstract description 6
- 230000035939 shock Effects 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000002955 isolation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a two-level biosafety cabinet, which comprises a cabinet body, wherein an observation cabin is arranged in the middle of the cabinet body, a disinfection cabin is arranged at the bottom of the cabinet body, two sealing plates are slidably arranged at the joint of the disinfection cabin and the observation cabin, a translation mechanism for driving the sealing plates to open is arranged in the disinfection cabin, a placing plate is arranged in the observation cabin, a lifting mechanism for driving the placing plate to lift and move is arranged at the top of the observation cabin, the shaking of the placing plate in moving is reduced through the cooperation of a base plate, a shock absorber and a sponge pressing plate, the pollution problem caused by the leakage of liquid is prevented, compared with the prior art, the communication between the observation cabin and the disinfection cabin is realized through the opening and closing of the sealing plates through the translation mechanism, the placing plate in the observation cabin and the objects are sent into the disinfection cabin to be disinfected under the action of the lifting mechanism, the isolation between the observation cabin and the disinfection cabin can be realized in the process, and the pollution to the observation cabin is avoided.
Description
Technical Field
The utility model relates to the field of secondary biosafety cabinets, in particular to a secondary biosafety cabinet.
Background
Secondary biosafety cabinet the same as secondary biosafety cabinet, gas also flows into the secondary biosafety cabinet from outside, commonly called inflow, which can prevent aerosols generated when microorganisms are operated from escaping from the front operation window of the safety cabinet into the laboratory, however, they are different from the primary biosafety cabinet in that only HEPA filtered (sterile) air is allowed to flow through the countertop, the built-in blower introduces air into the safety cabinet through the front opening and into the front air inlet grille, so that air not filtered by the filter does not directly enter the working area, thereby protecting samples and instruments stored inside the safety cabinet from being contaminated by external air;
the biosafety cabinet is placed into the observed microorganism culture dish by opening the cabinet door, and before placing the articles, the biosafety cabinet is usually required to be disinfected to avoid damaging the air environment in the cabinet body to pollute the environment, and when the articles are taken out, the articles are also required to be disinfected to prevent pathogenic microorganisms from being brought out to pollute the environment
For the prior art, the articles are required to be disinfected when being put in and taken out, the disinfection is generally carried out through manual operation, especially when external disinfection is moved into the cabinet body, bacteria in the air or other factors which can destroy the environment in the cabinet are adhered to the surfaces of the articles easily in the middle process, and the existing safety cabinet is disinfected and observed in one cabin, so that better separation and isolation cannot be achieved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a secondary biosafety cabinet to solve the problems in the background art, the secondary biosafety cabinet is novel in structure, the sealing plate is opened and closed through the translation mechanism, the communication between the observation cabin and the disinfection cabin is realized, the placing plate in the observation cabin and the articles are sent into the disinfection cabin for disinfection treatment under the action of the lifting mechanism, and in the process, the isolation between the observation cabin and the disinfection cabin can be realized, so that the pollution to the observation cabin is avoided.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a second grade biosafety cabinet, includes the cabinet body, cabinet body middle part is equipped with the observation cabin, and cabinet body bottom is equipped with the disinfection cabin, disinfection cabin and observation cabin junction slidable mounting have two closing plates, the inside translation mechanism that drives the closing plate and open that is equipped with of disinfection cabin, the inside board that places that is equipped with of observation cabin, and observation cabin top is equipped with the elevating system that drives and places board lift and remove.
Further, elevating system includes the expansion plate, all be fixed with two sets of expansion plates on the inner wall of observation cabin both sides, and the expansion plate bottom extension end is fixed with placing the board, expansion plate extension end top is fixed with the connecting plate, the position fixed mounting that the observation cabin top corresponds the connecting plate has first electric putter, and first electric putter extension end is fixed with the connecting plate.
Further, a second electric push rod is fixed at the bottom of the connecting plate, and a sponge pressing plate is fixed at the bottom of the second electric push rod.
Further, translation mechanism includes the bi-directional screw rod, disinfection cabin one side rotates installs the bi-directional screw rod, and disinfection cabin opposite side is fixed with the slide bar, disinfection cabin outer wall corresponds the position fixed mounting of bi-directional screw rod has the motor, and motor output and bi-directional screw rod fixed connection, the closing plate bottom is fixed with the diaphragm, and diaphragm one end meshing cup joints on bi-directional screw rod surface, the diaphragm other end slides and cup joints on the slide bar.
Further, the bottom of the disinfection cabin is provided with a base plate, and a shock absorber is arranged between the bottom of the base plate and the inner wall of the disinfection cabin at equal intervals.
Furthermore, the two sides of the inner wall of the disinfection cabin are equidistantly provided with disinfection spray heads.
Further, glass windows are rotatably connected to the outer surfaces of the observation cabin and the disinfection cabin.
The utility model has the beneficial effects that: the utility model relates to a secondary biosafety cabinet, which comprises a cabinet body; an observation cabin; a disinfection cabin; sterilizing the spray head; a sealing plate; a backing plate; a damper; a glazing; placing a plate; a sponge pressing plate; a translation mechanism; a motor; a bidirectional screw; a cross plate; a slide bar; a lifting mechanism; a first electric push rod; a connecting plate; a telescoping plate; a second electric push rod;
this second grade biosafety cabinet passes through the cooperation of backing plate, bumper shock absorber and sponge clamp plate, reduces to place the rocking of board article in moving, prevents that the leakage of liquid from causing pollution problem.
Under the effect of the lifting mechanism, the two-stage biosafety cabinet stably sends the placing plate and the articles into the disinfection cabin for disinfection treatment.
Under the action of the translation mechanism, the two sealing plates are driven to do horizontal opposite movements, so that the communication and isolation of the observation cabin and the disinfection cabin are realized.
This second grade biosafety cabinet is for prior art, opens and closes the closing plate through translation mechanism, realizes observing the intercommunication in cabin and disinfection cabin, under the effect through elevating system, sends into the disinfection cabin with placing the board in the cabin and with article and carries out disinfection treatment to this in-process can realize observing the isolation in cabin and disinfection cabin, avoids causing the pollution to the cabin.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a secondary biosafety cabinet of the utility model;
FIG. 2 is a schematic view of the structure of a view cabin of a secondary biosafety cabinet according to the utility model;
FIG. 3 is a schematic view of a disinfection cabin structure of a secondary biosafety cabinet according to the utility model;
FIG. 4 is a schematic view of a translation mechanism of a secondary biosafety cabinet according to the utility model;
in the figure: 1. a cabinet body; 11. an observation cabin; 12. a disinfection cabin; 121. sterilizing the spray head; 122. a sealing plate; 13. a backing plate; 131. a damper; 14. a glazing; 2. placing a plate; 3. a sponge pressing plate; 4. a translation mechanism; 41. a motor; 42. a bidirectional screw; 43. a cross plate; 44. a slide bar; 5. a lifting mechanism; 51. a first electric push rod; 52. a connecting plate; 53. a telescoping plate; 54. and the second electric push rod.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a second grade biosafety cabinet, includes cabinet body 1, cabinet body 1 middle part is equipped with observation cabin 11, and cabinet body 1 bottom is equipped with disinfection cabin 12, disinfection cabin 12 and observation cabin 11 junction slidable mounting have two closing plates 122, the inside translation mechanism 4 that drives closing plate 122 and open that is equipped with of disinfection cabin 12, the inside board 2 that is equipped with of observation cabin 11, and observation cabin 11 top is equipped with the elevating system 5 that drives and place board 2 lift and remove, during the use device, will place board 2 and remove disinfection cabin 12 inside through elevating system 5, place the article on placing board 2, carry out the disinfection later, transfer to observation cabin 11 after the disinfection is accomplished, and keep the isolation of observation cabin 11 and disinfection cabin 12 through closing plate 122, when taking out the article, take out after taking place board 2 into disinfection cabin 12, take out, cabinet body 1 is current second grade biosafety cabinet, comprises box and support two parts, the box part mainly includes following structure:
air filtration system: the air filtering system is a system for ensuring the main performance of the equipment, and consists of a driving fan, an air duct, a circulating air filter and an external exhaust air filter, and has the main functions of continuously enabling clean air to enter a working chamber, enabling the flow speed of sinking airflow (vertical airflow) of the working area to be not less than 0.3m/s and ensuring the cleanliness in the working area to reach 100 levels. Simultaneously, the external exhaust gas flow is purified to prevent environmental pollution; the core component of the system is a HEPA filter, a special fireproof material is adopted as a frame, corrugated aluminum sheets are used for separating the frame into grids, emulsified glass fiber submicron particles are filled in the frames, and the filtering efficiency can reach 99.99% -100%. The pre-filtering cover or the pre-filter of the air inlet enables air to enter the HEPA filter after being pre-filtered and purified, so that the service life of the HEPA filter can be prolonged;
an outer exhaust box system: the outer exhaust box system consists of an outer exhaust box shell, a fan and an exhaust pipeline. The outer exhaust fan provides exhaust power, unclean air in the working chamber is pumped out and purified by the outer exhaust filter to play a role in protecting samples and experimental articles in the cabinet, and the working chamber is negative pressure due to the outer exhaust effect, so that the air in the working chamber is prevented from overflowing, and the purpose of protecting operators is achieved;
the illumination light source and the ultraviolet light source are positioned at the inner side of the glass door to ensure certain brightness in the working chamber and are used for disinfecting the table top and the air in the working chamber; the control panel is provided with a power supply, an ultraviolet lamp, an illuminating lamp, a fan switch, a front glass door moving control device and the like, and the main functions are to set and display the system state.
In this embodiment, elevating system 5 includes expansion plate 53, all be fixed with two sets of expansion plates 53 on the inner wall of observation cabin 11 both sides, and expansion plate 53 bottom extension end is fixed with placing plate 2, expansion plate 53 extension end top is fixed with connecting plate 52, the position fixed mounting that corresponds connecting plate 52 at observation cabin 11 top has first electric putter 51, and first electric putter 51 extension end is fixed with connecting plate 52, connecting plate 52 bottom is fixed with second electric putter 54, and second electric putter 54 bottom is fixed with sponge clamp plate 3, opens the back at closing plate 122 at first, and second electric putter 54 drives sponge clamp plate 3 and descends to press and cover at the top of article, keeps vertical moving process's stability, opens first electric putter 51 afterwards, drives placing plate 2 and descends to stretch into disinfection cabin 12 inside at expansion plate 53 guiding connection's effect.
In this embodiment, the translation mechanism 4 includes the bi-directional screw 42, the bi-directional screw 42 is installed in rotation of disinfection cabin 12 one side, and disinfection cabin 12 opposite side is fixed with slide bar 44, disinfection cabin 12 outer wall corresponds the position fixed mounting of bi-directional screw 42 has motor 41, and motor 41 output and bi-directional screw 42 fixed connection, closing plate 122 bottom is fixed with diaphragm 43, and diaphragm 43 one end meshing cup joints on bi-directional screw 42 surface, the diaphragm 43 other end sliding cup joints on slide bar 44, opens motor 41, and motor 41 drives bi-directional screw 42 rotation, and diaphragm 43 and bi-directional screw 42 meshing of two closing plate 122 bottoms are done horizontal opposite motion along slide bar 44, realize the intercommunication and the isolation of observation cabin 11 and disinfection cabin 12.
In this embodiment, the bottom of the disinfection cabin 12 is provided with the pad 13, and the shock absorber 131 is installed between the bottom of the pad 13 and the inner wall of the disinfection cabin 12 at equal intervals, and through the cooperation of the pad 13, the shock absorber 131 and the sponge pressing plate 3, the shaking of the articles in the moving process of the placing plate 2 is reduced, and the pollution problem caused by the leakage of liquid is prevented.
In this embodiment, the disinfection spray nozzles 121 are installed on two sides of the inner wall of the disinfection cabin 12 at equal intervals, a storage tank and a water pump for disinfection solution are installed inside two sides of the disinfection cabin 12, and the disinfection solution is sprayed on the surface of the article through the disinfection spray nozzles 121 for disinfection treatment.
In this embodiment, the outer surfaces of the observation cabin 11 and the disinfection cabin 12 are respectively and rotatably connected with a glass window 14, and the observation cabin 11 and the disinfection cabin 12 can be opened through the glass windows 14 to take out articles or disinfect and clean the interior of the cabin body.
When the device is used, the motor 41 is started, the motor 41 drives the bidirectional screw rods 42 to rotate, the transverse plates 43 at the bottoms of the two sealing plates 122 are meshed with the bidirectional screw rods 42 and do horizontal opposite movements along the sliding rods 44, communication and isolation of the observation cabin 11 and the disinfection cabin 12 are achieved, after the sealing plates 122 are opened, the second electric push rod 54 is started firstly to drive the sponge pressing plate 3 to descend to cover the tops of objects, stability in the vertical movement process is kept, the first electric push rod 51 is started later, the placing plate 2 is driven to descend under the guiding connection of the telescopic plates 53 to extend into the disinfection cabin 12, the objects are placed on the placing plate 2, then disinfection treatment is carried out, the objects are transferred to the observation cabin 11 after disinfection is completed, isolation between the observation cabin 11 and the disinfection cabin 12 is kept through the sealing plates 122, and when the objects are taken out, the placing plate 2 is transferred into the disinfection cabin 12 for disinfection in the same way, and then the objects are taken out.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a second grade biosafety cabinet, includes cabinet body (1), its characterized in that: the cabinet body (1) middle part is equipped with observation cabin (11), and cabinet body (1) bottom is equipped with disinfection cabin (12), disinfection cabin (12) and observation cabin (11) junction slidable mounting have two closing plates (122), the inside translation mechanism (4) that drive closing plate (122) to open that are equipped with of disinfection cabin (12), the inside board (2) that place that is equipped with of observation cabin (11), and observation cabin (11) top is equipped with elevating system (5) that drive to place board (2) elevating movement.
2. A secondary biosafety cabinet according to claim 1, wherein: elevating system (5) are including expansion plate (53), all be fixed with two sets of expansion plate (53) on the inner wall of observation cabin (11) both sides, and expansion plate (53) bottom extension end is fixed with placing board (2), expansion plate (53) extension end top is fixed with connecting plate (52), the position fixed mounting that observation cabin (11) top corresponds connecting plate (52) has first electric putter (51), and first electric putter (51) extension end is fixed with connecting plate (52).
3. A secondary biosafety cabinet according to claim 2, wherein: the bottom of the connecting plate (52) is fixed with a second electric push rod (54), and the bottom of the second electric push rod (54) is fixed with a sponge pressing plate (3).
4. A secondary biosafety cabinet according to claim 1, wherein: the translation mechanism (4) comprises a bidirectional screw (42), the bidirectional screw (42) is rotatably arranged on one side of the disinfection cabin (12), a slide bar (44) is fixed on the other side of the disinfection cabin (12), a motor (41) is fixedly arranged on the outer wall of the disinfection cabin (12) corresponding to the position of the bidirectional screw (42), the output end of the motor (41) is fixedly connected with the bidirectional screw (42), a transverse plate (43) is fixed on the bottom of the sealing plate (122), one end of the transverse plate (43) is meshed and sleeved on the surface of the bidirectional screw (42), and the other end of the transverse plate (43) is slidably sleeved on the slide bar (44).
5. A secondary biosafety cabinet according to claim 1, wherein: the bottom of the disinfection cabin (12) is provided with a base plate (13), and a shock absorber (131) is arranged between the bottom of the base plate (13) and the inner wall of the disinfection cabin (12) at equal intervals.
6. A secondary biosafety cabinet according to claim 1, wherein: and disinfection spray heads (121) are equidistantly arranged on two sides of the inner wall of the disinfection cabin (12).
7. A secondary biosafety cabinet according to claim 1, wherein: the outer surfaces of the observation cabin (11) and the disinfection cabin (12) are respectively and rotatably connected with a glass window (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320157385.7U CN219804653U (en) | 2023-02-08 | 2023-02-08 | Two-stage biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320157385.7U CN219804653U (en) | 2023-02-08 | 2023-02-08 | Two-stage biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219804653U true CN219804653U (en) | 2023-10-10 |
Family
ID=88210701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320157385.7U Active CN219804653U (en) | 2023-02-08 | 2023-02-08 | Two-stage biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219804653U (en) |
-
2023
- 2023-02-08 CN CN202320157385.7U patent/CN219804653U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |