Biological safety cabinet

Abstract

According to the technical scheme, the biological safety cabinet is characterized in that the biological safety cabinet comprises a safety cabinet body, a taking hole is formed in one side of the safety cabinet body, a first containing plate is arranged in the safety cabinet body, a first sliding groove is formed in one side of the first containing plate, the first sliding groove is a groove hole with the T-shaped cross section, and a second sliding groove is formed in the other side of the first containing plate. A second placing plate is arranged on the outer wall surface of the first placing plate, the second placing plate is composed of a horizontal plate and a vertical plate, a first sliding block is fixedly installed on one side of the vertical plate part of the second placing plate, and the first sliding block is of a T-shaped structure; the second placing plate is clamped on the outer wall surface of the first placing plate through the first sliding blocks and the first sliding grooves, and by arranging the first placing plate and the design of arranging the first placing plate and the second placing plate, the first placing plate can be pulled out and the second placing plate can be unfolded when organisms needing internal culture need to be operated.

Description

Technical Field

[0001] The utility model relates to the technical field of biosafety, in particular to a biosafety cabinet. Background Art

[0002] Biological safety cabinets are designed to protect operators, the laboratory environment, and experimental materials when operating infectious experimental materials such as primary cultures, bacterial strains, and diagnostic specimens, so as to avoid exposure to infectious aerosols and splashes that may be generated during the above operations.

[0003] A biological safety cabinet with publication number CN220919260U has the following defects during use:

[0004] The utility model is provided with a top plate, a bottom plate, a mounting seat, a support rod, a linkage rod, a pulley, a slide groove, a matching wheel, a mounting frame, a connecting rod, a connecting rod and a hydraulic rod. The hydraulic rod is started and the connecting rod is driven to slide and rise in the mounting frame through the connecting rod. With the cooperation of various parts, the top plate is slowly raised to achieve the height adjustment of the safety cabinet body, which is convenient for the user to use; by arranging the slide rail, the fixed sleeve rod, the matching frame and the slot, it is possible to achieve that as the support rod moves upward, the mounting frame is driven to slide on the slide rail through the connecting rod, and at the same time drive the hydraulic rod to slide in the slot to ensure the stability of the lifting. During actual use of the utility model, when it is necessary to operate the organisms cultured inside, the part for placing the culture dish inside needs to be pulled out. In order to adapt to the device, the placement part is designed to be relatively small, which is inconvenient for the staff to perform manual operation. For this reason, we have proposed a biological safety cabinet. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the present invention provides a biological safety cabinet that solves the problem that during actual use, when it is necessary to operate the organisms cultured inside, the part where the culture dishes are placed needs to be pulled out. In order to adapt to the device, the placement part is designed to be relatively small, which is inconvenient for staff to perform manual operation.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A biological safety cabinet includes a safety cabinet body, a retrieval hole is provided on one side of the safety cabinet body, a first placement plate is provided inside the safety cabinet body, a first sliding groove is provided on one side of the first placement plate, the first sliding groove is a slot with a T-shaped cross-section, a second placement plate is provided on the outer wall surface of the first placement plate, the second placement plate is composed of a horizontal plate and a vertical plate, a first sliding block is fixedly installed on one side of the vertical plate portion of the second placement plate, the first sliding block is a T-shaped structure, and the second placement plate is clamped to the outer wall surface of the first placement plate through the first sliding block and the first sliding groove.

[0008] Preferably, second sliding blocks are fixedly installed on both sides of the first placement plate, two sliding bars are fixedly installed inside the safety cabinet body, a second sliding groove is opened on one side of the sliding bar, and the first placement plate is clamped inside the safety cabinet body through the second sliding block and the second sliding groove.

[0009] Preferably, a third sliding groove is provided on the inner top surface of the taking hole, a baffle is provided inside the third sliding groove, a contact groove is provided on the inner bottom surface of the taking hole, and a sealing gasket is fixedly installed inside the contact groove.

[0010] Preferably, a fixing hole is opened on one side of the safety cabinet body, a perspective block is fixedly installed inside the fixing hole, and an ultraviolet lamp is fixedly installed inside the safety cabinet body.

[0011] Preferably, the top surface of the safety cabinet body is provided with a connecting pipe, the connecting pipe is connected to the safety cabinet body, the top surface of the connecting pipe is provided with a plurality of air holes, and an air-permeable film is fixedly installed inside the air holes.

[0012] Preferably, a top cover is clamped on the outer wall surface of the communicating pipe, and a communicating hole is formed on the top surface of the top cover.

[0013] In summary, the present invention has the following beneficial effects:

[0014] 1. By providing the first placement plate and the design of the first placement plate and the second placement plate, when the first placement plate needs to be pulled out for operating the internally cultured organisms, the second placement plate can be unfolded by cooperating with the sliding design of the first placement plate and the second placement plate, thereby effectively increasing the actual operating area during operation and making it more convenient for the staff to use;

[0015] 2. By setting up a breathable film, the entry of miscellaneous bacteria can be reduced while ensuring air permeability, and the internal biological culture can be prevented from being disturbed by miscellaneous bacteria in the air as much as possible. Through the design of the top cover, the alignment of the connecting hole and the air hole can be controlled by rotation, which makes it convenient to switch the sealing and ventilation conditions of the inner wall of the safety cabinet at any time. Both aerobic and anaerobic organisms can be cultivated, making the use of the device more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the safety cabinet of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the first placement plate of the present utility model.

[0020] Figure numerals: 1. Safety cabinet body; 2. Removal hole; 3. First placement plate; 4. First sliding groove; 5. Second placement plate; 6. First sliding block; 7. Second sliding block; 8. Sliding bar; 9. Second sliding groove; 10. Third sliding groove; 11. Baffle; 12. Contact groove; 13. Sealing gasket; 14. Fixing hole; 15. Perspective block; 16. Ultraviolet lamp; 17. Connecting pipe; 18. Air vent; 19. Breathable film; 20. Top cover; 21. Connecting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] refer to Figures 1-4, a biological safety cabinet, including a safety cabinet body 1, one side of the safety cabinet body 1 is provided with a taking hole 2, the interior of the safety cabinet body 1 is provided with a first placement plate 3, one side of the first placement plate 3 is provided with a first sliding groove 4, the first sliding groove 4 is a slot with a T-shaped cross-section, the outer wall of the first placement plate 3 is provided with a second placement plate 5, the second placement plate 5 is composed of a horizontal plate and a vertical plate, by setting the design of the first placement plate 3 and the second placement plate 5, when the first placement plate 3 needs to be pulled out to operate the internal cultured organisms, the sliding design of the first placement plate 3 and the second placement plate 5 can be used to unfold the second placement plate 5, effectively increasing the actual operating area during operation, making it more convenient for staff to use it, and a first sliding block 6 is fixedly installed on one side of the vertical plate part of the second placement plate 5, the first sliding block 6 is a T-shaped structure, and the second placement plate 5 is clamped on the outer wall of the first placement plate 3 through the first sliding block 6 and the first sliding groove 4;

[0023] The first placement plate 3 is fixedly mounted with a second sliding block 7 on both sides, and two sliding bars 8 are fixedly mounted inside the safety cabinet body 1. A second sliding groove 9 is provided on one side of the sliding bar 8. The first placement plate 3 is clamped in the interior of the safety cabinet body 1 through the second sliding block 7 and the second sliding groove 9. By setting the design of the sliding bar 8 and the second sliding groove 9, the first placement plate 3 can be supported. At the same time, the second sliding groove 9 thereon can cooperate with the second sliding block 7 to limit the sliding track of the first placement plate 3, so as to avoid deviation during the pulling process, which leads to failure to perform normally. The third sliding groove 10 is provided on the top surface of the inner side of the taking hole 2, and the inner side of the third sliding groove 10 is provided with a baffle 11. The inner bottom surface of the taking hole 2 is provided with a contact groove 12, and the inner side of the contact groove 12 is fixedly installed with a sealing gasket 13. Through the design of the baffle 11, the contact groove 12 and the sealing gasket 13, after the operation is completed, the baffle 11 can be pulled down, and the sealing gasket 13 can be used to seal the interior of the safety cabinet body 1, so as to avoid excessive contact between the internal biological culture dish and the outside air as much as possible, which may cause the bacteria to affect the cultured organisms. There is a fixing hole 14, and a perspective block 15 is fixedly installed inside the fixing hole 14. Through the design of the perspective block 15, it is convenient for the staff to monitor and record the specific internal conditions at any time. An ultraviolet lamp 16 is fixedly installed inside the safety cabinet body 1. Through the design of the ultraviolet lamp 16, after the cultivation is completed, the overall auxiliary sterilization operation can be performed on the interior to facilitate a new round of biological cultivation. The top surface of the safety cabinet body 1 has a connecting pipe 17, which is connected to the safety cabinet body 1. The top surface of the connecting pipe 17 is provided with a plurality of air holes 18, and the air holes 18 are A breathable film 19 is fixedly installed on the inside. Through the design of the breathable film 19, the entry of miscellaneous bacteria can be reduced while ensuring air permeability, and the internal biological culture can be prevented from being disturbed by miscellaneous bacteria in the air as much as possible. The outer wall of the connecting pipe 17 is clamped with a top cover 20. Through the design of the top cover 20, the alignment of the connecting hole 21 and the air hole 18 can be controlled by rotation, so that the sealing and ventilation conditions of the inner wall of the safety cabinet body 1 can be switched at any time. Both aerobic and anaerobic organisms can be cultured, making the device more flexible to use. A connecting hole 21 is provided on the top surface of the top cover 20.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biological safety cabinet, comprising a safety cabinet body (1), characterized in that: A taking hole (2) is provided on one side of the safety cabinet body (1), a first placement plate (3) is provided inside the safety cabinet body (1), a first sliding groove (4) is provided on one side of the first placement plate (3), the first sliding groove (4) is a slot with a T-shaped cross section, a second placement plate (5) is provided on the outer wall surface of the first placement plate (3), the second placement plate (5) is composed of a horizontal plate and a vertical plate, a first sliding block (6) is fixedly installed on one side of the vertical plate portion of the second placement plate (5), the first sliding block (6) is a T-shaped structure, and the second placement plate (5) is clamped on the outer wall surface of the first placement plate (3) through the first sliding block (6) and the first sliding groove (4).

2. A biological safety cabinet according to claim 1, characterized in that: Second sliding blocks (7) are fixedly installed on both sides of the first placement plate (3); two sliding bars (8) are fixedly installed inside the safety cabinet body (1); a second sliding groove (9) is opened on one side of the sliding bar (8); and the first placement plate (3) is clamped inside the safety cabinet body (1) through the second sliding blocks (7) and the second sliding groove (9).

3. A biological safety cabinet according to claim 1, characterized in that: A third sliding groove (10) is provided on the inner top surface of the taking hole (2), a baffle (11) is sleeved inside the third sliding groove (10), a contact groove (12) is provided on the inner bottom surface of the taking hole (2), and a sealing gasket (13) is fixedly installed inside the contact groove (12).

4. A biological safety cabinet according to claim 1, characterized in that: A fixing hole (14) is provided on one side of the safety cabinet body (1), a perspective block (15) is fixedly installed inside the fixing hole (14), and an ultraviolet lamp (16) is fixedly installed inside the safety cabinet body (1).

5. A biological safety cabinet according to claim 1, characterized in that: The top surface of the safety cabinet body (1) is provided with a connecting pipe (17), the connecting pipe (17) is connected to the safety cabinet body (1), the top surface of the connecting pipe (17) is provided with a plurality of air holes (18), and an air permeable film (19) is fixedly installed inside the air holes (18).

6. A biological safety cabinet according to claim 5, characterized in that: The outer wall surface of the communicating tube (17) is clamped with a top cover (20), and a communicating hole (21) is opened on the top surface of the top cover (20).

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