Purifying biological safety cabinet
By introducing lifting and ventilating mechanism and exhaust fan into the biosafety cabinet, the problem of lack of lifting plate and adjustment flexibility in the existing biosafety cabinet is solved, and the space flexibility and exhaust efficiency of the biosafety cabinet are improved, effectively preventing Aerosol pollution.
Patent Information
- Application Number
- CN202421030257.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The existing biosafety cabinet has no hoisting plate inside, which has poor regulation flexibility and cannot meet the needs of efficient purification and space lifting, resulting in aerosol pollution and experimental environment pollution in biological experiments.
A purification biosafety cabinet is designed, including a lifting adjustment mechanism and an exhaust fan. The lifting adjustment mechanism realizes flexible lifting of the hoist plate, improves the space adjustment capability of the biological cabinet, and installs an exhaust fan at the bottom of the exhaust port to improve the exhaust air. efficiency.
It realizes flexible adjustment of the internal space of the biosafety cabinet and improves the exhaust efficiency, enhances the flexibility and purification ability of the biosafety cabinet, and avoids the dissipation of aerosols and pollution of the experimental environment.
Smart Images

Figure CN222305833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of safety cabinets, and more specifically to a purification biological safety cabinet. Background Art
[0002] Today's biopharmaceutical equipment and storage equipment have become more and more of a concern to people. With the progress of the times and the development of technology, more and more different types of biosafety cabinets have appeared. At the same time, companies may have lower requirements for biosafety processes for their costs and benefits. Biosafety cabinets are common and important equipment in biosafety laboratories. When operating experimental equipment in biological experiments, a large amount of aerosols may be generated during the operation. Aerosols floating in the environment will pollute the surrounding experimental environment and cause harm to the human body. Tiny particles in the environment will also contaminate experimental samples. With the development of science and technology, people's requirements for biosafety cabinets are getting higher and higher, resulting in the existing biosafety cabinets failing to meet people's usage requirements; there is no lifting plate inside the existing biosafety cabinet, and the internal lifting plate cannot be raised or lowered, and the adjustment flexibility is poor. Utility Model Content
[0003] In order to solve at least one of the above technical problems, the utility model proposes a purification biological safety cabinet.
[0004] The first aspect of the utility model provides a purification biological safety cabinet, comprising: a device body and an exhaust port arranged on the top of the device body;
[0005] The device body comprises a first cabinet, a second cabinet and a third cabinet, the first cabinet is arranged on the top of the second cabinet, and the second cabinet is arranged on the top of the third cabinet;
[0006] The exhaust port is arranged at the top of the first cabinet, an exhaust fan is arranged inside the first cabinet, and the exhaust fan is connected to the bottom of the exhaust port;
[0007] A communication hole is provided at a position corresponding to the first cabinet and the second cabinet, and a grille plate is provided on the top of the communication hole;
[0008] A diversion hole is provided at the bottom of the second cabinet, and the diversion hole connects the second cabinet with the third cabinet;
[0009] A lifting and lowering adjustment mechanism is arranged inside the third cabinet, and a lifting plate is arranged on the top of the lifting and lowering adjustment mechanism, and the lifting plate moves in a vertical direction.
[0010] In a preferred embodiment of the utility model, a fixed plate is provided at the bottom of the lifting and adjusting mechanism, and the lifting and adjusting mechanism includes a first adjusting frame and a second adjusting frame arranged in parallel, the bottoms of the first adjusting frame and the second adjusting frame are fixedly installed on the top of the fixed plate, and the tops of the first adjusting frame and the second adjusting frame are fixedly installed on the bottom of the jacking plate.
[0011] In a preferred embodiment of the utility model, a lifting cylinder is arranged on the top of the fixed plate, and the lifting cylinder is arranged between the first adjusting frame and the second adjusting frame. A hinge shaft is connected to the top of the lifting cylinder, and the hinge shaft is respectively connected to the side corresponding to the first adjusting frame and the second adjusting frame. The lifting cylinder is used to control the synchronous lifting and lowering of the first adjusting frame and the second adjusting frame.
[0012] In a preferred embodiment of the utility model, a groove with the same size as the fixed plate is provided at the bottom of the second cabinet. When the lifting plate rises, the lifting plate rises to the inside of the second cabinet, and when the lifting plate descends, the lifting plate descends to the inside of the third cabinet.
[0013] In a preferred embodiment of the utility model, two partitions are arranged inside the third cabinet, and the fixing plate is fixedly installed on the inner sides of the two partitions.
[0014] In a preferred embodiment of the utility model, pillars are arranged at four corners of the bottom of the device body, and supporting feet are arranged at the bottom of the pillars.
[0015] In a preferred embodiment of the present invention, an operation panel is provided on one side of the first cabinet.
[0016] In a preferred embodiment of the present invention, two first cabinet doors are arranged in parallel on one side of the second cabinet body, and a button is arranged on one side of any of the first cabinet doors.
[0017] In a preferred embodiment of the utility model, two second cabinet doors are arranged in parallel on one side of the third cabinet body, a handle is arranged on one side of the second cabinet door, and the second cabinet door is hinged to the third cabinet body.
[0018] The above technical solution of the utility model has the following advantages compared with the prior art:
[0019] By arranging a lifting and adjusting mechanism inside the third cabinet, the lifting plate can be controlled to be flexibly lifted and lowered within the third cabinet and the second cabinet, and the height of the lifting plate can be flexibly adjusted, thereby realizing the lifting and lowering of the space inside the biological cabinet and improving the flexibility of the biological safety cabinet. In addition, an exhaust fan is arranged at the bottom of the exhaust port to improve the exhaust efficiency of the biological safety cabinet. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, some of the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the purification biological safety cabinet according to the embodiment of the utility model;
[0022] Figure 2 This is a schematic diagram of the internal structure of the purification biological safety cabinet according to an embodiment of the utility model;
[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the lifting and lowering adjustment mechanism of the embodiment of the utility model.
[0024] In the figure, 1, exhaust vent, 2, main body, 3, button, 4, first cabinet door, 5, second cabinet door, 6, handle, 7, pillar, 8, support leg, 9, operation panel, 10, first cabinet body, 11, second cabinet body, 12, third cabinet body, 13, exhaust fan, 14, lifting plate, 15, grille plate, 16, diversion hole, 17, lifting adjustment mechanism, 1701, first adjustment frame, 1702, second adjustment frame, 1703, hinge shaft, 1704, lifting cylinder; 18, fixing plate. DETAILED DESCRIPTION
[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.
[0027] Embodiment 1
[0028] See also Figure 1-Figure 3 As shown, the utility model provides a purification biological safety cabinet, comprising: a device body 2 and an exhaust port 1 arranged on the top of the device body 2;
[0029] The device body 2 includes a first cabinet 10, a second cabinet 11 and a third cabinet 12. The first cabinet 10 is arranged on the top of the second cabinet 11, and the second cabinet 11 is arranged on the top of the third cabinet 12.
[0030] The air outlet 1 is arranged at the top of the first cabinet 10, and an exhaust fan 13 is arranged inside the first cabinet 10, and the exhaust fan 13 is connected to the bottom of the air outlet 1;
[0031] A communication hole is provided at a position corresponding to the first cabinet 10 and the second cabinet 11, and a grille plate 15 is provided at the top of the communication hole;
[0032] A diversion hole 16 is provided at the bottom of the second cabinet 11, and the diversion hole 16 connects the second cabinet 11 with the third cabinet 12;
[0033] A lifting and lowering adjustment mechanism 17 is disposed inside the third cabinet 12 , and a lifting plate 14 is disposed on the top of the lifting and lowering adjustment mechanism 17 . The lifting plate 14 moves in a vertical direction.
[0034] According to an embodiment of the utility model, a fixed plate 18 is arranged at the bottom of the lifting and adjusting mechanism 17, and the lifting and adjusting mechanism 17 includes a first adjusting frame 1701 and a second adjusting frame 1702 arranged in parallel, and the bottoms of the first adjusting frame 1701 and the second adjusting frame 1702 are fixedly installed on the top of the fixed plate 18, and the tops of the first adjusting frame 1701 and the second adjusting frame 1702 are fixedly installed on the bottom of the lifting plate 14.
[0035] According to the embodiment of the utility model, a lifting cylinder 1704 is arranged on the top of the fixed plate 18, and the lifting cylinder 1704 is arranged between the first adjusting frame 1701 and the second adjusting frame 1702. A hinge shaft 1703 is connected to the top of the lifting cylinder 1704, and the hinge shaft 1703 is respectively connected to the side corresponding to the first adjusting frame 1701 and the second adjusting frame 1702. The lifting cylinder 1704 is used to control the synchronous lifting of the first adjusting frame 1701 and the second adjusting frame 1702.
[0036] According to an embodiment of the utility model, a slot with the same size as the fixing plate 18 is provided at the bottom of the second cabinet body 11. When the lifting plate 14 rises, the lifting plate 14 rises to the inside of the second cabinet body 11. When the lifting plate 14 descends, the lifting plate 14 descends to the inside of the third cabinet body 12.
[0037] According to the embodiment of the utility model, two partitions are arranged inside the third cabinet 12, and the fixing plate 18 is fixedly installed inside the two partitions.
[0038] According to the embodiment of the utility model, pillars 7 are arranged at the four corners of the bottom of the device body 2 , and supporting feet 8 are arranged at the bottom of the pillars 7 .
[0039] According to the embodiment of the utility model, an operation panel 9 is provided on one side of the first cabinet 10 .
[0040] According to the embodiment of the utility model, two first cabinet doors 4 are arranged in parallel on one side of the second cabinet body 11 , and a button 3 is arranged on one side of any first cabinet door 4 .
[0041] According to the embodiment of the utility model, two second cabinet doors 5 are arranged in parallel on one side of the third cabinet body 12 , a handle 6 is arranged on one side of the second cabinet door 5 , and the second cabinet door 5 is hinged to the third cabinet body 12 .
[0042] To sum up, by arranging a lifting and lowering adjustment mechanism 17 inside the third cabinet body 12, the lifting plate 14 can be controlled to be flexibly lifted and lowered inside the third cabinet body 12 and the second cabinet body 11, and the height of the lifting plate 14 can be flexibly adjusted, thereby realizing the lifting and lowering of the space inside the biological cabinet and improving the flexibility of the biological safety cabinet. In addition, an exhaust fan 13 is arranged at the bottom of the exhaust port 1 to improve the exhaust efficiency of the biological safety cabinet.
[0043] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0044] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the above embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
[0045] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A purification biological safety cabinet, comprising: The device body and the exhaust port on the top of the device body are characterized in that: The device body comprises a first cabinet, a second cabinet and a third cabinet, the first cabinet is arranged on the top of the second cabinet, and the second cabinet is arranged on the top of the third cabinet; The exhaust port is arranged at the top of the first cabinet, an exhaust fan is arranged inside the first cabinet, and the exhaust fan is connected to the bottom of the exhaust port; A communication hole is provided at a position corresponding to the first cabinet and the second cabinet, and a grille plate is provided on the top of the communication hole; A diversion hole is provided at the bottom of the second cabinet, and the diversion hole connects the second cabinet with the third cabinet; A lifting and lowering adjustment mechanism is arranged inside the third cabinet, and a lifting plate is arranged on the top of the lifting and lowering adjustment mechanism, and the lifting plate moves in a vertical direction.
2. A purification biological safety cabinet according to claim 1, characterized in that: A fixed plate is arranged at the bottom of the lifting and adjusting mechanism, and the lifting and adjusting mechanism comprises a first adjusting frame and a second adjusting frame arranged in parallel, the bottoms of the first adjusting frame and the second adjusting frame are fixedly installed on the top of the fixed plate, and the tops of the first adjusting frame and the second adjusting frame are fixedly installed on the bottom of the lifting plate.
3. A purification biological safety cabinet according to claim 2, characterized in that: A lifting cylinder is arranged on the top of the fixed plate, and the lifting cylinder is arranged between the first adjusting frame and the second adjusting frame. A hinge shaft is connected to the top of the lifting cylinder, and the hinge shaft is respectively connected to the side corresponding to the first adjusting frame and the second adjusting frame. The lifting cylinder is used to control the synchronous lifting of the first adjusting frame and the second adjusting frame.
4. A purification biological safety cabinet according to claim 3, characterized in that: The bottom of the second cabinet is provided with a notch having the same size as the fixing plate. When the lifting plate rises, the lifting plate rises to the inside of the second cabinet, and when the lifting plate descends, the lifting plate descends to the inside of the third cabinet.
5. A purification biological safety cabinet according to claim 4, characterized in that: Two partitions are arranged inside the third cabinet, and the fixing plate is fixedly installed inside the two partitions.
6. A purification biological safety cabinet according to claim 1, characterized in that: The four corners of the bottom of the device body are all provided with pillars, and the bottom of the pillars is provided with supporting feet.
7. A purification biological safety cabinet according to claim 1, characterized in that: An operation panel is arranged on one side of the first cabinet.
8. A purification biological safety cabinet according to claim 1, characterized in that: Two first cabinet doors are arranged in parallel on one side of the second cabinet body, and a button is arranged on one side of any of the first cabinet doors.
9. A purification biological safety cabinet according to claim 1, characterized in that: Two second cabinet doors are arranged in parallel on one side of the third cabinet body, a handle is arranged on one side of the second cabinet door, and the second cabinet door is hinged to the third cabinet body.