CN220277013U

CN220277013U - Biological safety cabinet

Info

Publication number: CN220277013U
Application number: CN202320672821.4U
Authority: CN
Inventors: 何江玉; 邵瑞建; 李鹏华
Original assignee: Jiangsu Juyuan Experimental Technology Co ltd
Current assignee: Jiangsu Juyuan Experimental Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2024-01-02
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a biological safety cabinet, and belongs to the technical field of safety cabinets. The utility model provides a biosafety cabinet, including biosafety cabinet and the workstation of setting in its inside, biosafety cabinet's side surface is provided with the mounting panel, the internally mounted of mounting panel has the motor, the output of motor is equipped with the lead screw, the surface of lead screw is provided with the slider, the side surface of slider is equipped with the fixed plate, the lower surface of fixed plate is provided with the fixed column, the bottom swing joint of fixed column has the brush board, the bottom joint of brush board has the brush strip, this biosafety cabinet for the alcohol on workstation surface can be paintd evenly, avoided alcohol to lead to too much long-time unable the volatilizing to influence going on of experiment because of spraying, the storage tank realizes the hiding of brush board and brush strip, the baffle has realized the seal to the storage tank, the baffle has prevented that alcohol from getting into the storage tank in addition, also makes biosafety cabinet more pleasing to the eye simultaneously.

Description

Biological safety cabinet

Technical Field

The utility model relates to the field of safety cabinets, in particular to a biological safety cabinet.

Background

Biological experiments often use some microbial species, wherein pathogenic microorganisms are not lacking, if incorrect operation can cause cross contamination between experimental samples, harmful microorganisms are diffused in a laboratory, and gradually diffuse along with air flow, so that not only is experimental accuracy affected, but also great harm is caused to human bodies and the environment, and therefore, the biological experiment is operated in a biosafety cabinet.

After the experiment is finished, a part of microorganisms or experimental reagents can be remained in the existing biosafety cabinet, so ultraviolet sterilization is needed, then alcohol is sprayed and disinfected, however, the alcohol spraying nozzle sprays alcohol, uneven alcohol spraying can be caused, even the alcohol at some parts cannot volatilize for a long time due to excessive spraying, and waste is caused and the next experiment is influenced.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a biosafety cabinet, which solves the problems in the prior art:

after the experiment is finished, a part of microorganisms or experimental reagents can be remained in the existing biosafety cabinet, so ultraviolet sterilization is needed, and then the microorganisms cannot be completely killed by alcohol spraying, in addition, the alcohol spraying nozzle can spray alcohol, uneven alcohol spraying can be caused, even the alcohol at some parts cannot volatilize for a long time due to excessive spraying, waste is caused, and the next experiment is influenced.

2. Technical proposal

The utility model provides a biosafety cabinet, includes biosafety cabinet and sets up at its inside workstation, biosafety cabinet's side surface is provided with the mounting panel, the internally mounted of mounting panel has the motor, the output of motor is equipped with the lead screw, the surface of lead screw is provided with the slider, the side surface of slider is equipped with the fixed plate, the lower surface of fixed plate is provided with the fixed column, the bottom swing joint of fixed column has the brush board, the bottom joint of brush board has the brush strip.

Preferably, the inner wall of the biosafety cabinet is provided with a slide block groove matched with the slide block, and the fixing plate is in sliding connection with the inner wall of the biosafety cabinet through the slide block arranged in the slide block groove.

Preferably, the inner wall of the biosafety cabinet is provided with an alcohol spray head.

Preferably, a first spring is arranged outside the fixing column between the fixing plate and the brush plate, one end of the first spring is connected with the fixing plate, the other end of the first spring is connected with the brush plate, a base groove is formed in the brush plate, and a base is arranged inside the base groove and at the bottom of the fixing column.

Preferably, one end of the screw rod, which is far away from the motor, is provided with a stop ring.

Preferably, the inside of workstation one side biosafety cabinet is offered and is used for hiding the storage tank of brush strip, storage tank one side is provided with the baffle, the top of baffle is provided with the pivot, the baffle is connected with the upper surface rotation of storage tank through the pivot.

Preferably, the surface of baffle has seted up the I-shaped slider groove, the inside sliding connection in I-shaped slider groove has the I-shaped slider, the side surface of I-shaped slider is provided with the cylinder piece, the inner wall of accomodating the groove is provided with the second spring holder, be provided with the second spring between cylinder piece and the second spring holder.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1) When the biological safety cabinet is used, the motor rotates to drive the screw rod to rotate, the sliding block matched with the screw rod moves smoothly in the sliding block groove along with the movement of the sliding block, the fixing plate moves along with the movement of the fixing plate, the brush plate connected with the fixing plate moves along with the movement of the brush plate, the brush strip clamped with the brush plate moves along with the movement of the brush plate, the brush strip moves on the surface of the workbench, the brush strip is tightly attached to the workbench under the action of the first spring, so that alcohol on the surface of the workbench can be smeared uniformly, and the problem that the experiment is affected by long-time incapacity of volatilizing due to excessive spraying of the alcohol is avoided.

2) This biosafety cabinet is when using along with the motion of slider, when brush board and brush strip smear even to the workstation, make the baffle by the roof open, at this moment the baffle is rotatory through the pivot, I-shaped slider moves in I-shaped slider inslot under the effect of second spring, when brush board and brush strip break away from the baffle, cylinder piece and I-shaped slider that the second spring passed through makes the baffle reset, when brush board and brush strip need enter into the storage tank, brush board and brush strip can extrude the baffle, baffle pass through type slider and cylinder piece compression second spring, when brush board and brush strip enter into the storage tank inside, the second spring makes the baffle reset through slider and cylinder piece, the storage tank realizes hiding brush board and brush strip, the baffle has realized the seal to the storage tank, the baffle has prevented that alcohol from getting into the storage tank in addition, simultaneously also make biosafety cabinet more pleasing to the eye.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a screw rod according to the present utility model;

FIG. 4 is an enlarged view of a baffle;

FIG. 5 is a schematic diagram of an automatic cleaning apparatus according to the present utility model.

The reference numerals in the figures illustrate: 1. a biosafety cabinet; 2. a motor; 3. a mounting plate; 4. a rotating shaft; 5. an alcohol spray head; 6. a work table; 7. a screw rod; 8. a slide block; 9. a fixing plate; 10. fixing the column; 11. a base; 12. brushing a plate; 13. brushing strips; 14. a first spring; 15. a second spring seat; 16. a second spring; 17. a cylindrical block; 18. an I-shaped sliding block; 19. an I-shaped sliding block groove; 20. a baffle; 21. a slider groove; 22. a stop ring; 23. a storage groove; 24. a base groove.

Detailed Description

Example 1:

Referring to fig. 1 to 5, a biosafety cabinet, including biosafety cabinet 1 and the workstation 6 of setting in its inside, the side surface of biosafety cabinet 1 is provided with mounting panel 3, mounting panel 3 internally mounted has motor 2, motor 2's output is equipped with lead screw 7, lead screw 7's surface is provided with slider 8, slider 8 and lead screw 7 are worm structure, make slider 8 smooth motion in slider groove 21, slider 8's side surface is equipped with fixed plate 9, fixed plate 9's lower surface is provided with fixed column 10, fixed column 10's bottom swing joint has brush plate 12, brush plate 12's bottom joint has brush bar 13, such joint mode makes brush bar 13 and brush plate 12 easily separate, be convenient for change brush bar 13, motor 2 rotates and drives lead screw 7 and rotate, at this moment with lead screw 7 assorted slider 8 in slider groove 21's motion, at this moment, fixed plate 9 also follows the motion of fixed plate 9, at this moment, brush plate 12 that is connected with fixed plate 9 follows the motion, brush plate 12 at this moment follows motion 12 with fixed plate 9 and brush bar 13 makes the brush bar 13 and can's the time even with the side surface of a long time and can's effect on brush bar 13, can's the experiment is realized because the brush bar 13 is contacted with the bottom of the workstation 13, can's the time, the effect on the surface is even brush bar 13 is volatilized, can's with the experiment table 13 at this time, can's effect on the surface is avoided.

As a further aspect of the utility model: the inner wall of the biosafety cabinet 1 is provided with a slide block groove 21 matched with the slide block 8, and the fixed plate 9 is in sliding connection with the inner wall of the biosafety cabinet 1 through the slide block 8 arranged in the slide block groove 21, so that the slide block 8 and the fixed plate 9 move smoothly in the slide block groove 21.

As a further aspect of the utility model: the inner wall of the biosafety cabinet 1 is provided with the alcohol spray head 5, so that the alcohol spray head 5 is more convenient to spray, and manual operation is avoided.

As a further aspect of the utility model: the outside of fixed column 10 is provided with first spring 14 between fixed plate 9 and the brush board 12, and the one end and the fixed plate 9 of first spring 14 are connected, and the other end and the brush board 12 of first spring 14 are connected, and the inside of brush board 12 is equipped with base groove 24, and the inside base 11 that is equipped with of base groove 24 and the bottom of fixed column 10, the effect of first spring 14 lets brush strip 13 and workstation 6 close fit for the cleaner of workstation 6 clearance.

As a further aspect of the utility model: one end of the screw rod 7, which is far away from the motor 2, is provided with a stop ring 22, and the action of the stop ring 22 prevents the slider 8 from working over distance.

As a further aspect of the utility model: the inside of biological safety cabinet 1 on one side of workstation 6 has been seted up and has been used for hiding storage tank 23 of brush strip 13, and storage tank 23 one side is provided with baffle 20, and baffle 20 in order to prevent when alcohol sprays, alcohol gets into storage tank 23, has avoided cleaning device's damage, and baffle 20's top is provided with pivot 4, and baffle 20 rotates with storage tank 23's upper surface through pivot 4 to be connected.

The utility model comprises the following steps: when the biosafety cabinet is used, after detection is completed by a worker, alcohol is sprayed through an alcohol spray head, after alcohol spraying is completed, the worker only needs to start the motor 2, at this time, the motor 2 rotates to drive the screw rod 7 to rotate, along with the rotation of the screw rod 7, at this time, the sliding block 8 matched with the screw rod 7 moves smoothly in the sliding block groove 21, along with the movement of the sliding block 8, the fixed plate 9 moves along with the movement of the fixed plate 9, at this time, the brush plate 12 connected with the fixed plate 9 moves along with the movement of the brush plate 12, at this time, the brush 13 clamped with the brush plate 12 moves along with the movement, and at this time, the brush 13 is tightly attached to the workbench 6 under the action of the first spring 14, so that the alcohol on the surface of the workbench 6 can be smeared uniformly, and the long-time incapacity of affecting the experiment caused by excessive spraying of the alcohol is avoided.

Example 2:

to a biosafety cabinet, when spraying alcohol, alcohol can get into and accomodate the inslot, can lead to the fact the influence to accomodating inslot part for a long time, accomodate the inslot and not seal the pleasing to the eye that influences biosafety cabinet, solve through following scheme.

Referring to fig. 1 to 5, the foundation of the combination embodiment 1 is different in that an i-shaped slide block groove 19 is formed in the surface of a baffle 20, an i-shaped slide block 18 is slidably connected to the inside of the i-shaped slide block groove 19, the i-shaped slide block 18 is slidably connected with the baffle 20 through the i-shaped slide block groove 19, thereby reducing bending of a second spring 16 caused by rotation of the baffle 20, a cylindrical block 17 is arranged on the side surface of the i-shaped slide block 18, a second spring seat 15 is arranged on the inner wall of a containing groove 23, a second spring 16 is arranged between the cylindrical block 17 and the second spring seat 15, along with compression and extension of the second spring 16, automatic reset of the baffle 20 is realized, when the brush plate 12 and the brush bar 13 wipe a work table 6 evenly, the baffle 20 is jacked up, the baffle 20 is rotated through a rotating shaft 4, the i-shaped slide block 18 moves in the i-shaped slide block groove 19 under the action of the second spring 16, when the brush plate 12 and the brush bar 13 are separated from the baffle 20, the cylindrical block 17 and the i-shaped slide block 18 through the cylindrical block 17, the second spring 16 enables the brush plate 12 and the brush bar 13 to be more compressed and the brush bar 23 to enter the baffle 20, and the baffle 20 is also prevented from being pushed into the containing groove 23, and the baffle plate 13 is required to be pushed into the containing groove 23, and the baffle plate 13 is prevented from being pushed into the containing groove and the baffle 20, and the baffle bar 13 is also pushed into the containing groove and the baffle 20, and the baffle plate 13 is prevented from being pushed into the groove and the baffle 20.

The utility model comprises the following steps: when the biosafety cabinet is used, when the brush plate 12 and the brush strip 13 wipe the workbench 6 evenly, the baffle 20 is pushed open, at this time, the baffle 20 rotates through the rotating shaft 4, the I-shaped sliding block 18 moves in the I-shaped sliding block groove 19 under the action of the second spring 16, when the brush plate 12 and the brush strip 13 are separated from the baffle 20, the baffle 20 is reset through the cylindrical block 17 and the I-shaped sliding block 18 which are passed through by the second spring 16, when the brush plate 12 and the brush strip 13 need to enter the containing groove 23, the baffle 20 can be extruded by the brush plate 12 and the brush strip 13, the baffle 20 compresses the second spring 16 through the I-shaped sliding block 18 and the cylindrical block 17, when the brush plate 12 and the brush strip 13 enter the containing groove 23, the baffle 20 is reset through the sliding block 18 and the cylindrical block 17, the containing groove 23 is hidden for the brush plate 12 and the brush strip 13, the baffle 20 is sealed for the containing groove 23, in addition, the baffle 20 prevents alcohol from entering the containing groove 23, and simultaneously enables the biosafety cabinet 1 to be more attractive.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A biosafety cabinet, comprising a biosafety cabinet (1) and a workbench (6) arranged in the biosafety cabinet, characterized in that: the biological safety cabinet is characterized in that a mounting plate (3) is arranged on the side surface of the biological safety cabinet (1), a motor (2) is arranged in the mounting plate (3), a screw rod (7) is arranged at the output end of the motor (2), a sliding block (8) is arranged on the surface of the screw rod (7), a fixing plate (9) is arranged on the side surface of the sliding block (8), a fixing column (10) is arranged on the lower surface of the fixing plate (9), a brush plate (12) is movably connected to the bottom of the fixing column (10), and a brush strip (13) is clamped at the bottom of the brush plate (12).

2. A biosafety cabinet according to claim 1, wherein: the inner wall of the biosafety cabinet (1) is provided with a slide block groove (21) matched with the slide block (8), and the fixed plate (9) is in sliding connection with the inner wall of the biosafety cabinet (1) through the slide block (8) arranged in the slide block groove (21).

3. A biosafety cabinet according to claim 1, wherein: the inner wall of the biosafety cabinet (1) is provided with an alcohol spray head (5).

4. A biosafety cabinet according to claim 1, wherein: the novel brush is characterized in that a first spring (14) is arranged outside a fixing column (10) between the fixing plate (9) and the brush plate (12), one end of the first spring (14) is connected with the fixing plate (9), the other end of the first spring (14) is connected with the brush plate (12), a base groove (24) is formed in the brush plate (12), and a base (11) is arranged at the bottom of the base groove (24) and the bottom of the fixing column (10).

5. A biosafety cabinet according to claim 1, wherein: one end of the screw rod (7) far away from the motor (2) is provided with a stop ring (22).

6. A biosafety cabinet according to claim 1, wherein: the novel multifunctional brush holder is characterized in that a storage groove (23) for hiding the brush strip (13) is formed in the biosafety cabinet (1) on one side of the workbench (6), a baffle (20) is arranged on one side of the storage groove (23), a rotating shaft (4) is arranged at the top of the baffle (20), and the baffle (20) is rotationally connected with the upper surface of the storage groove (23) through the rotating shaft (4).

7. A biosafety cabinet according to claim 6, wherein: i-shaped slider groove (19) have been seted up on the surface of baffle (20), the inside sliding connection in I-shaped slider groove (19) has I-shaped slider (18), the side surface of I-shaped slider (18) is provided with cylinder piece (17), the inner wall of accomodating groove (23) is provided with second spring holder (15), be provided with second spring (16) between cylinder piece (17) and second spring holder (15).