Biosafety type bilateral operation cabinet

Abstract

The invention discloses a biological safety type double-side operation cabinet which comprises a base, a workbench is arranged at the upper end of the base, a touch screen is arranged on the workbench, a top box is arranged at the upper end of the workbench, a flexible screen is arranged on the top box, and a fixing pipe is slidably connected to the upper end of the inner side of the top box; a fan is fixedly installed in the fixing pipe, a fixing mechanism is arranged on the fixing pipe, and an adjusting mechanism is arranged on the base. The invention relates to a biological safety type bilateral operation cabinet which has the advantages of being convenient to adjust and maintain.

Description

Technical Field

[0001] The invention belongs to the technical field of biosafety cabinets, in particular to a biosafety double-sided operating cabinet. Background Art

[0002] A biosafety double-sided operating cabinet is a device used in biological laboratories to provide protection to prevent the leakage of harmful organisms or toxic substances, while protecting experimenters and the environment. It is usually used to handle infectious pathogens, viruses, bacteria and other dangerous biological materials. According to the invention patent disclosed in the patent authorization announcement number CN114749218B, the biosafety cabinet includes a biosafety cabinet body, a working area is provided on the biosafety cabinet body, and a glass door is provided at the working area, and a support shell is provided on one side of the glass door located at the working area, and an adjustment mechanism for adjusting the support shell up and down relative to the glass door is installed inside the working area; the support shell is provided with a guide mechanism for guiding the air flow inside the glass door; and the support shell is provided with an opening on the side close to the glass door.

[0003] However, it is not convenient to disassemble and repair the fan in the biosafety double-sided operation cabinet when in use, and the bracket is not convenient to adjust when in use, which can easily lead to unstable placement of the base. Summary of the invention

[0004] The purpose of the present invention is to provide a biosafety double-sided operating cabinet to solve the above problems, thereby solving the problems mentioned in the background technology.

[0005] In order to solve the above problems, the present invention provides a technical solution of a biosafety double-sided operation cabinet:

[0006] A biosafety double-sided operating cabinet comprises a base, a workbench is arranged at the upper end of the base, a touch screen is arranged on the workbench, a top box is arranged at the upper end of the workbench, a flexible screen is arranged on the top box, a fixed tube is slidably connected to the inner upper end of the top box, a fan is fixedly installed inside the fixed tube, a fixing mechanism is arranged on the fixed tube, and an adjusting mechanism is arranged on the base.

[0007] The locking mechanism comprises a locking plate, wherein the locking plate is secured on a pivotal position within the locking mechanism, and the locking plate is secured on a pivotal position within the locking mechanism, wherein the locking plate is secured on a pivotal position within the locking mechanism.

[0008] Preferably, the clamping block contacts the mounting block, and the clamping block is slidably connected to the clamping slot. The design of the clamping block can limit the mounting block.

[0009] Preferably, one end of the rotating rod away from the mounting block is fixedly connected with a rotating knob, and the rotating knob is in contact with the mounting block. The rotating rod can be easily rotated through the design of the rotating knob.

[0010] Preferably, the sealing ring is in contact with the fixed tube, and the sealing ring is in contact with the gasket ring. The design of the sealing ring can increase the sealing performance between the fixed tube and the top box.

[0011] Preferably, the adjusting mechanism comprises a connecting plate, the interior of the base is slidably connected with a connecting plate, the lower end of the connecting plate is fixedly connected with a bracket, the bracket is slidably connected with the base, the interior of the base is fixedly connected with a limiting rod, the limiting rod is slidably connected with the connecting plate, the interior of the base is rotatably connected with a threaded rod, the threaded rod is threadedly connected with the connecting plate, the lower end of the threaded rod is fixedly connected with a knob, the knob contacts the base, the lower end of the base contacts with a push block, the push block contacts the knob, the side of the push block close to the knob is fixedly connected with the limiting block, the interior of the knob is provided with a limiting groove, the number of the limiting grooves on each knob is multiple, and the multiple limiting grooves are distributed in an annular shape on the knob, the interior of the limiting groove is slidably connected with a limiting block, the upper end of the push block is fixedly connected with a guide block, the interior of the base is fixedly connected with a guide rod, a second spring is arranged on the outer side of the guide rod, one end of the second spring contacts the guide block, and the other end of the second spring contacts the base, and the supporting point of the base can be adjusted by designing the adjusting mechanism.

[0012] Preferably, a fixing ring is fixedly connected to the outer side of the threaded rod, and the fixing ring contacts the inner wall of the base. The design of the fixing ring can limit the threaded rod.

[0013] Preferably, the guide block is slidably connected to the base, and the guide block is slidably connected to the guide rod. The design of the guide block can guide the push block.

[0014] The beneficial effects of the present invention are as follows: the present invention relates to a biosafety double-sided operation cabinet, which has the characteristics of convenient adjustment and maintenance. In specific use, compared with the traditional biosafety double-sided operation cabinet, the biosafety double-sided operation cabinet has the following beneficial effects:

[0015] Firstly, by providing components such as an installation block, a clamping block, and a rotating rod, the rotating rod can be rotated so that the clamping block no longer engages with the top box, and the fixed pipe and the fan can be disassembled and repaired. In addition, by providing components such as a first spring, a sealing ring, and a gasket, the sealing between the fixed pipe and the top box can be increased to avoid leakage at the connection.

[0016] Secondly, by setting up components such as threaded rods and connecting plates, the threaded rods can be rotated to make the threaded rods and the connecting plates move in a threaded manner, so that the connecting plates drive the brackets to move, and the supporting points of the base can be adjusted, so that the base can be placed stably. By setting up components such as push blocks, limit blocks, and second springs, the knobs can be limited, so that the brackets can remain stable after adjustment, so that the base can remain stable when placed. When the equipment is opened on one side, it can fully meet the parameter requirements of the A2-level biological safety cabinet. When it is opened on both sides, it ensures that the filtering effect of the internal and external air meets the corresponding safety standards. The double-sided operating cabinet should have a good operational safety design to ensure that the operator can get enough protection when conducting experiments. And the front windshield is convenient to open upwards when equipped with a hydraulic rod, which is convenient for placing items. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 For the present invention Figure 1 An enlarged front cross-sectional view of the top box;

[0020] Figure 3 For the present invention Figure 1 A side cross-sectional enlarged view of the top box;

[0021] Figure 4 For the present invention Figure 1A partial structure of the base is enlarged in front view and section;

[0022] Figure 5 For the present invention Figure 2 A magnified view of the structure of part A;

[0023] Figure 6 For the present invention Figure 4 Enlarged view of the structure of part B.

[0024] In the figure: 1. base; 2. workbench; 21. touch screen; 3. top box; 31. flexible screen; 4. fixed tube; 41. fan; 5. fixing mechanism; 51. mounting block; 52. slider; 53. clamping block; 54. clamping slot; 55. rotating rod; 56. retaining ring; 57. knob; 58. mounting plate; 59. sleeve; 510. sliding rod; 511. limiting ring; 512. first spring; 513. sealing ring; 514. gasket; 6. adjusting mechanism; 61. connecting plate; 62. bracket; 63. limiting rod; 64. threaded rod; 65. fixing ring; 66. knob; 67. push block; 68. limiting block; 69. limiting slot; 610. guide block; 611. guide rod; 612. second spring. DETAILED DESCRIPTION

[0025] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions:

[0026] Example:

[0027] A biosafety double-sided operation cabinet comprises a base 1, a workbench 2 is arranged at the upper end of the base 1, a touch screen 21 is arranged on the workbench 2, a top box 3 is arranged at the upper end of the workbench 2, a flexible screen 31 is arranged on the top box 3, a fixed pipe 4 is slidably connected to the inner upper end of the top box 3, a fan 41 is fixedly installed inside the fixed pipe 4, a fixing mechanism 5 is arranged on the fixed pipe 4, and an adjustment mechanism 6 is arranged on the base 1. When one side is opened, it can meet the requirements of the standard A2-level biosafety cabinet, and the performance indicators include cabinet leakage prevention, high-efficiency filter integrity, noise, illumination, vibration, personnel protection, product protection, cross-contamination protection, downflow velocity, inflow velocity, airflow pattern, temperature rise, motor and fan, sump leakage, stability, electrical safety, environmental testing and electromagnetic compatibility experiments, all of which meet the relevant national standards and regulations. When both sides are opened, the parameters must reach the average air intake wind speed at the working opening: ≥0.50m / s; downflow wind speed: ≥0.30m / s. The front windshields of the operating cabinets on both sides can be opened for easy placement of items.

[0028] The fixing mechanism 5 includes a mounting block 51, the outer side of the fixing tube 4 is fixedly connected with the mounting block 51, the mounting block 51 contacts the top box 3, the inside of the mounting block 51 is slidably connected with a slider 52, the lower end of the slider 52 is fixedly connected with a clamping block 53, the inside of the top box 3 is provided with a clamping groove 54, the inside of the mounting block 51 is rotatably connected with a rotating rod 55, the outer side of the rotating rod 55 is provided with positive and negative threads, the rotating rod 55 is threadedly connected with the slider 52, the outer side of the rotating rod 55 is fixedly connected with a retaining ring 56, the retaining ring 56 contacts the inside of the mounting block 51, and the inside of the fixing tube 4 is fixedly connected with a mounting plate 58 The lower end of the mounting plate 58 is fixedly connected with a sleeve 59, and a slide rod 510 is slidably connected inside the sleeve 59. A limit ring 511 is fixedly connected inside the sleeve 59, and the limit ring 511 is slidably connected to the slide rod 510. A first spring 512 is arranged inside the sleeve 59, and one end of the first spring 512 contacts with the sleeve 59, and the other end of the first spring 512 contacts with the slide rod 510. A sealing ring 513 is fixedly connected to the lower end of the slide rod 510, and a gasket 514 is fixedly connected inside the top box 3, and the gasket 514 contacts with the fixed tube 4. The design of the fixing mechanism 5 can facilitate the disassembly of the fixed tube 4.

[0029] The clamping block 53 is in contact with the mounting block 51 , and the clamping block 53 is slidably connected with the clamping slot 54 . The design of the clamping block 53 can limit the mounting block 51 .

[0030] One end of the rotating rod 55 away from the mounting block 51 is fixedly connected with a rotating knob 57 , and the rotating knob 57 is in contact with the mounting block 51 . The rotating rod 55 can be easily rotated through the design of the rotating knob 57 .

[0031] The sealing ring 513 is in contact with the fixed tube 4 , and the sealing ring 513 is in contact with the gasket ring 514 . The design of the sealing ring 513 can increase the sealing performance between the fixed tube 4 and the top box 3 .

[0032] The adjusting mechanism 6 comprises a connecting plate 61, the interior of the base 1 is slidably connected with the connecting plate 61, the lower end of the connecting plate 61 is fixedly connected with a bracket 62, the bracket 62 is slidably connected with the base 1, the interior of the base 1 is fixedly connected with a limiting rod 63, the limiting rod 63 is slidably connected with the connecting plate 61, the interior of the base 1 is rotatably connected with a threaded rod 64, the threaded rod 64 is threadedly connected with the connecting plate 61, the lower end of the threaded rod 64 is fixedly connected with a knob 66, the knob 66 ​​is in contact with the base 1, the lower end of the base 1 is in contact with a push block 67, the push block 67 is in contact with the knob 66, the push block 67 is close to the knob 66 A limiting block 68 is fixedly connected to one side, and a limiting groove 69 is provided inside the knob 66. There are multiple limiting grooves 69 on each knob 66, and the multiple limiting grooves 69 are distributed in a ring shape on the knob 66. The limiting block 68 is slidably connected inside the limiting groove 69. The upper end of the push block 67 is fixedly connected to a guide block 610, and the inside of the base 1 is fixedly connected to a guide rod 611. A second spring 612 is provided on the outer side of the guide rod 611, and one end of the second spring 612 is in contact with the guide block 610, and the other end of the second spring 612 is in contact with the base 1. The support point of the base 1 can be adjusted by the design of the adjustment mechanism 6.

[0033] The outer side of the threaded rod 64 is fixedly connected with a fixing ring 65 , and the fixing ring 65 contacts the inner wall of the base 1 . The fixing ring 65 can limit the threaded rod 64 through its design.

[0034] The guide block 610 is slidably connected to the base 1 , and the guide block 610 is slidably connected to the guide rod 611 . The design of the guide block 610 can guide the push block 67 .

[0035] The use state of the present invention is as follows: when in use, by moving the push block 67 in the direction away from the knob 66, the push block 67 drives the guide block 610 to slide on the guide rod 611, so that the guide block 610 squeezes the second spring 612, and the push block 67 drives the limit block 68 to slide out of the limit groove 69 on the knob 66, so that the limit on the knob 66 ​​can be released, and then the knob 66 ​​is rotated, so that the knob 66 ​​drives the threaded rod 64 to rotate, so that the threaded rod 64 and the connecting plate 61 have a threaded movement, so that the connecting plate 61 drives the bracket 62 to move, so that the support point of the base 1 can be adjusted, so that the base 1 can be kept stable when placed;

[0036] By rotating the knob 57, the knob 57 drives the rotating rod 55 to rotate, so that the rotating rod 55 and the slider 52 are threaded, so that the slider 52 drives the clamping block 53 to slide in the clamping groove 54, so that the clamping block 53 is no longer clamped with the top box 3, and the limit of the mounting block 51 can be released, so that the fixed pipe 4 and the fan 41 can be disassembled, which can facilitate the disassembly and maintenance of the fan 41;

[0037] When installing the fixed tube 4, the fixed tube 4 drives the mounting plate 58 to move, the mounting plate 58 drives the sleeve 59 to move, the sleeve 59 drives the slide rod 510 to move, the slide rod 510 drives the sealing ring 513 to contact the gasket 514, and the sealing ring 513 drives the slide rod 510 to squeeze the second spring 612. The elastic force of the second spring 612 can make the slide rod 510 drive the sealing ring 513 to fit the gasket 514, thereby effectively increasing the sealing effect between the fixed tube 4 and the top box 3 and avoiding leakage at the connection.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A biosafety double-sided operating cabinet, comprising a base (1), characterized in that: A workbench (2) is arranged at the upper end of the base (1), a touch screen (21) is arranged on the workbench (2), a top box (3) is arranged at the upper end of the workbench (2), a flexible screen (31) is arranged on the top box (3), a fixed tube (4) is slidably connected to the inner upper end of the top box (3), a fan (41) is fixedly installed inside the fixed tube (4), a fixing mechanism (5) is arranged on the fixed tube (4), and an adjustment mechanism (6) is arranged on the base (1).

2. A biosafety double-sided operating cabinet according to claim 1, characterized in that: The fixing mechanism (5) comprises a mounting block (51), the outer side of the fixing tube (4) is fixedly connected with the mounting block (51), the mounting block (51) contacts the top box (3), the interior of the mounting block (51) is slidably connected with a slider (52), the lower end of the slider (52) is fixedly connected with a clamping block (53), the interior of the top box (3) is provided with a clamping groove (54), the interior of the mounting block (51) is rotatably connected with a rotating rod (55), the outer side of the rotating rod (55) is provided with positive and negative threads, the rotating rod (55) is connected to the slider (52) by threads, the outer side of the rotating rod (55) is fixedly connected with a retaining ring (56), the retaining ring (56) contacts the interior of the mounting block (51), the interior of the fixing tube (4) is provided with a retaining ring (56), the retaining ring (56) contacts the interior of the mounting block (51), the interior of the fixing tube (4) is provided with a retaining ring (56), and the retaining ring (56) contacts the interior of the mounting block (51). The top box (3) is fixedly connected to a mounting plate (58), the lower end of the mounting plate (58) is fixedly connected to a sleeve (59), the interior of the sleeve (59) is slidably connected to a slide bar (510), the interior of the sleeve (59) is fixedly connected to a limit ring (511), the limit ring (511) is slidably connected to the slide bar (510), a first spring (512) is arranged inside the sleeve (59), one end of the first spring (512) is in contact with the sleeve (59), the other end of the first spring (512) is in contact with the slide bar (510), the lower end of the slide bar (510) is fixedly connected to a sealing ring (513), the interior of the top box (3) is fixedly connected to a gasket (514), and the gasket (514) is in contact with the fixed tube (4).

3. A biosafety double-sided operating cabinet according to claim 2, characterized in that: The clamping block (53) contacts the mounting block (51), and the clamping block (53) is slidably connected to the clamping slot (54).

4. A biosafety double-sided operation cabinet according to claim 2, characterized in that: One end of the rotating rod (55) away from the mounting block (51) is fixedly connected with a rotating button (57), and the rotating button (57) is in contact with the mounting block (51).

5. The biosafety double-sided operation cabinet according to claim 2, characterized in that: The sealing ring (513) is in contact with the fixed pipe (4), and the sealing ring (513) is in contact with the gasket ring (514).

6. The biosafety double-sided operation cabinet according to claim 1, characterized in that: The adjusting mechanism (6) comprises a connecting plate (61), the interior of the base (1) is slidably connected with the connecting plate (61), the lower end of the connecting plate (61) is fixedly connected with a bracket (62), the bracket (62) is slidably connected to the base (1), the interior of the base (1) is fixedly connected with a limiting rod (63), the limiting rod (63) is slidably connected to the connecting plate (61), the interior of the base (1) is rotatably connected with a threaded rod (64), the threaded rod (64) is threadedly connected to the connecting plate (61), the lower end of the threaded rod (64) is fixedly connected with a knob (66), the knob (66) is in contact with the base (1), the lower end of the base (1) is in contact with a push block (67), the push block (67) is in contact with the knob (66) The push block (67) is fixedly connected to a limiting block (68) on one side close to the knob (66); a limiting groove (69) is provided inside the knob (66); there are a plurality of limiting grooves (69) on each knob (66); the plurality of limiting grooves (69) are distributed in a ring shape on the knob (66); the limiting block (68) is slidably connected inside the limiting groove (69); the upper end of the push block (67) is fixedly connected to a guide block (610); the inside of the base (1) is fixedly connected to a guide rod (611); a second spring (612) is provided on the outer side of the guide rod (611); one end of the second spring (612) contacts the guide block (610); and the other end of the second spring (612) contacts the base (1).

7. A biosafety double-sided operation cabinet according to claim 6, characterized in that: A fixing ring (65) is fixedly connected to the outer side of the threaded rod (64), and the fixing ring (65) is in contact with the inner wall of the base (1).

8. The biosafety double-sided operation cabinet according to claim 6, characterized in that: The guide block (610) is slidably connected to the base (1), and the guide block (610) is slidably connected to the guide rod (611).

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