Biological safety cabinet
By setting up an adjustable lighting mechanism in the biosafety cabinet, the problem of unclear operation caused by fixed light irradiation is solved, and the reliability and convenience of operation is improved, especially during liquid transfer operations.
Patent Information
- Application Number
- CN202421041151.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The existing biosafety cabinet uses fixed and non-adjustable lights, which causes manual blocking of the lights during operation, resulting in unclear operation and inreliable use.
The adjustable lighting mechanism is arranged inside the protective cabinet of the biosafety cabinet, including the suspension mechanism and searchlight. The angle and lighting area of the searchlight are adjusted through the suspension mechanism to avoid human hands from blocking the light and provide special lighting when needed.
By adjusting the lighting mechanism, ensuring sufficient lighting in the operating area is improved, and operation reliability and convenience are reduced, especially when transferring liquid from large-volume bags to other containers, the effort and difficulty of handling are reduced.
Smart Images

Figure CN222287338U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biological safety cabinets, in particular to a biological safety cabinet. Background Art
[0002] A biological safety cabinet is a box-type air purification negative pressure safety device that can prevent the aerosol dispersion of certain dangerous or unknown biological particles during experimental operations. It is widely used in scientific research, teaching, clinical testing and production in the fields of microbiology, biomedicine, genetic engineering, and biological products.
[0003] For example, the application publication number is CN220214960U, a biological safety cabinet, which includes a safety cabinet body and a waste liquid collection device, the waste liquid collection device includes a waste liquid receiving portion and a collection container, the waste liquid receiving portion and the collection container are connected through a connecting pipe, the waste liquid receiving portion is located inside the safety cabinet body, the collection container is located outside the safety cabinet body, and the connecting pipe extends from the inside of the safety cabinet body through the operation port of the safety cabinet body to the outside of the safety cabinet body;
[0004] The above application can achieve the purpose of automatically transferring waste liquid out of the protected environment in a relatively simple way, and the collection container does not occupy the space in the protected environment. However, most of the biological safety cabinets currently used use fixed and non-adjustable lighting. During operation, human hands can easily block the light, resulting in unclear vision during operation and unreliable use. Therefore, the market urgently needs to develop a biological safety cabinet to help people solve the existing problems. Utility Model Content
[0005] The utility model aims to provide a biological safety cabinet to solve the problem mentioned in the above background technology that most of the currently used biological safety cabinets adopt fixed and non-adjustable lighting. During operation, human hands can easily block the light, resulting in unclear vision during operation and unreliable use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological safety cabinet, comprising a table and an adjustable lighting mechanism, the adjustable lighting mechanism comprising a suspension mechanism and a searchlight, the end of the suspension mechanism is connected to the searchlight, the suspension mechanism comprises a first limit seat, a first cantilever, a second limit seat, a second cantilever and an angle adjuster, a protective cabinet is arranged on the table, and the adjustable lighting mechanism is arranged inside the protective cabinet.
[0007] Through the above technical solution, an adjustable lighting mechanism is added inside the protective cabinet, and the adjustable lighting mechanism includes a hanging mechanism and a searchlight. The searchlight is connected and hung by the hanging mechanism, and the angle and lighting area of the searchlight can be adjusted in a targeted manner through the hanging mechanism, so that the searchlight can be swung to any angle to provide lighting, thereby avoiding human hands blocking the light, allowing the operation to be seen more clearly, and improving reliability of use.
[0008] In a preferred example, the utility model can be further configured as follows: hooks are provided on both sides of the interior of the protection cabinet, and a lighting lamp is provided inside the protection cabinet.
[0009] Through the above technical solution, when transferring liquid from a large bag to other containers, it needs to be lifted up by hand, which is laborious. By installing a hook on the side of the protective cabinet, the container bag can be hung on it and then the liquid can be put in, thereby improving the convenience of use.
[0010] In a preferred example, the utility model can be further configured as follows: an operating table is arranged on the table, an air hole groove is arranged on the operating table, and air hole grooves are arranged on both sides of the inner wall of the protective cabinet.
[0011] Through the above technical solution, the air hole grooves on the inner wall of the protective cabinet discharge air, and the air hole grooves on the operating table inhale air.
[0012] In a preferred example, the present invention can be further configured as follows: an air filter is disposed below the table, and a table frame is disposed below the table.
[0013] Through the above technical solution, the air filter is connected to the protective cabinet and the operating table, and the table frame is used to support and fix the table.
[0014] In a preferred example, the utility model can be further configured as follows: the first cantilever is rotatably connected to the first limit seat, the second cantilever is rotatably connected to the second limit seat, a fastening rubber pad is provided on the inner side of the first limit seat to dampingly contact with the first cantilever, the second limit seat has the same structure as the first limit seat, a ball head is provided in the angle adjuster, a damping rubber sleeve is provided between the ball head and the angle adjuster, a fixed arm is provided below the ball head, and the fixed arm is connected to the searchlight
[0015] Through the above technical solution, the first cantilever and the first limit seat are rotated to adjust the angle of the second limit seat, the second cantilever and the second limit seat are rotated to adjust the angle of the angle adjuster, the searchlight is connected to the fixed arm, and the ball head is rotated in the angle adjuster to adjust the angle of the searchlight.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The utility model adds an adjustable lighting mechanism inside the protective cabinet, and the adjustable lighting mechanism includes a hanging mechanism and a searchlight. The searchlight is connected and hung by the hanging mechanism, and the angle and lighting area of the searchlight can be adjusted in a targeted manner through the hanging mechanism, so that the searchlight can be swung to any angle and then provide lighting, thereby avoiding human hands blocking the light, allowing the operation to be more clearly seen, and improving the reliability of use.
[0018] 2. When transferring liquid from a large bag to other containers, the utility model needs to be lifted up by hand, which is laborious. A hook is installed on the side of the protective cabinet, and the container bag can be hung on it and then the liquid can be put in, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view of a biological safety cabinet of the utility model;
[0020] Figure 2 It is a front view of the first limiting seat of the utility model;
[0021] Figure 3 It is a cross-sectional view of the angle adjuster of the utility model.
[0022] In the figure: 1. table frame; 2. table; 3. protective cabinet; 4. operating table; 5. air filter; 6. hook; 7. lighting lamp; 8. first limit seat; 9. first cantilever; 10. second limit seat; 11. second cantilever; 12. angle adjuster; 13. searchlight; 14. fastening rubber pad; 15. ball head; 16. damping rubber sleeve; 17. fixed arm. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0026] See also Figure 1 The utility model provides an embodiment: a biological safety cabinet, including a table 2 and an adjustable lighting mechanism, the adjustable lighting mechanism includes a suspension mechanism and a searchlight 13, the end of the suspension mechanism is connected to the searchlight 13, the suspension mechanism includes a first limit seat 8, a first cantilever 9, a second limit seat 10, a second cantilever 11 and an angle adjuster 12, a protective cabinet 3 is arranged on the table 2, the adjustable lighting mechanism is arranged inside the protective cabinet 3, and the first limit seat 8 is fixedly connected to the protective cabinet 3 by fastening screws.
[0027] See also Figure 1 Hooks 6 are provided on both sides of the interior of the protective cabinet 3, and a lighting lamp 7 is provided inside the protective cabinet 3. The hooks 6 are fixedly connected to the protective cabinet 3 by fastening screws, and the lighting lamp 7 is fixedly connected to the protective cabinet 3 by fastening screws.
[0028] See also Figure 1 An operating table 4 is arranged on the table 2, and an air hole groove is arranged on the operating table 4. Air hole grooves are arranged on both sides of the inner wall of the protective cabinet 3, and the operating table 4 is fixedly connected to the table 2 by bolts.
[0029] See also Figure 1 An air filter 5 is arranged below the table 2, a table frame 1 is arranged below the table 2, the air filter 5 is fixedly connected to the table 2 by bolts, and the table frame 1 is fixedly connected to the table 2 by bolts.
[0030] See also Figure 1 and Figure 2 The first cantilever 9 is rotatably connected to the first limit seat 8, the second cantilever 11 is rotatably connected to the second limit seat 10, a fastening rubber pad 14 is provided on the inner side of the first limit seat 8 to damp the contact with the first cantilever 9, the second limit seat 10 has the same structure as the first limit seat 8, the second limit seat 10 is fixedly connected to the first cantilever 9 by fastening screws, and the angle adjuster 12 is fixedly connected to the second cantilever 11 by fastening screws.
[0031] See also Figure 1 and Figure 3A ball head 15 is provided in the angle adjuster 12, a damping rubber sleeve 16 is provided between the ball head 15 and the angle adjuster 12, a fixed arm 17 is provided below the ball head 15, the fixed arm 17 is connected to the searchlight 13, the ball head 15 and the fixed arm 17 are welded, and the fixed arm 17 and the searchlight 13 are fixedly connected by fastening screws.
[0032] Working principle: When in use, the operator operates on the operating table 4, and the air filter 5 is used to provide purified air. The holes and slots on the operating table 4 inhale the air on the operating table 4, and then discharge it from the holes and slots of the protective cabinet 3 through the air filter 5 to form a cycle. Under normal circumstances, the lighting is provided by the lighting lamp 7. When special lighting is required, the angle of the searchlight 13 is adjusted by the suspension mechanism. The angle, height and lighting direction of the searchlight 13 are adjusted by the rotation between the first cantilever 9 and the first limit seat 8, the rotation between the second cantilever 11 and the second limit seat 10, and the rotation between the ball head 15 and the angle adjuster 12, so that the operation can be seen more clearly. When it is necessary to transfer liquid from a large-volume bag to other containers, the container bag is hung on the hook 6, and then the liquid is added to improve the convenience of use.
[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A biological safety cabinet, comprising a table (2) and an adjustable lighting mechanism, characterized in that: The adjustable lighting mechanism comprises a suspension mechanism and a searchlight (13), the end of the suspension mechanism is connected to the searchlight (13), the suspension mechanism comprises a first limit seat (8), a first cantilever (9), a second limit seat (10), a second cantilever (11) and an angle adjuster (12), a protective cabinet (3) is arranged on the table (2), and the adjustable lighting mechanism is arranged inside the protective cabinet (3).
2. A biological safety cabinet according to claim 1, characterized in that: Hooks (6) are provided on both sides of the protection cabinet (3), and a lighting lamp (7) is provided inside the protection cabinet (3).
3. A biological safety cabinet according to claim 1, characterized in that: An operating table (4) is arranged on the table (2), an air hole groove is arranged on the operating table (4), and air hole grooves are arranged on both sides of the inner wall of the protective cabinet (3).
4. A biological safety cabinet according to claim 3, characterized in that: An air filter (5) is arranged below the table (2), and a table frame (1) is arranged below the table (2).
5. A biological safety cabinet according to claim 1, characterized in that: The first cantilever (9) is rotatably connected to the first limit seat (8), and the second cantilever (11) is rotatably connected to the second limit seat (10). A fastening rubber pad (14) is provided on the inner side of the first limit seat (8) and is in damping contact with the first cantilever (9). The second limit seat (10) has the same structure as the first limit seat (8).
6. A biological safety cabinet according to claim 5, characterized in that: A ball head (15) is arranged inside the angle adjuster (12), a damping rubber sleeve (16) is arranged between the ball head (15) and the angle adjuster (12), a fixed arm (17) is arranged below the ball head (15), and the fixed arm (17) is connected to the searchlight (13).