CN214416418U

CN214416418U - Double-exhaust filter structure of biological safety cabinet

Info

Publication number: CN214416418U
Application number: CN202120120908.1U
Authority: CN
Inventors: 吴桐澍; 徐立伟; 宋宏宇
Original assignee: Jilin Gene Zhihe Biological Treatment Technology Co ltd
Current assignee: Jilin Gene Zhihe Biological Treatment Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-19
Anticipated expiration: 2031-01-18

Abstract

The utility model provides a two filter structure of airing exhaust of biological safety cabinet relates to biological safety cabinet technical field, the intelligent cabinet temperature adjusting device comprises a cabinet body, the top of the cabinet body is fixed with bellows, the inside of bellows is equipped with the fan. The utility model discloses, make the gag lever post can be located vertically through rotating the swivel, make can slide the gag lever post and run through first dust guard, secondly slide to the inside of spacing groove because a circular recess has been seted up to the inside of spacing groove, so when the gag lever post slides to the spacing inslot, it rotates in order to reach the transverse position to rotate the swivel drive gag lever post and above stopper, thereby make first dust guard and bellows can reach fixed purpose, make first dust guard and bellows can be convenient for dismantle and clear up, the practicality of device has been strengthened, the device is when using, flow through fan and exhaust fan like the inside wind that carries on of device, dual setting of airing exhaust can improve the ventilation efficiency of device.

Description

Double-exhaust filter structure of biological safety cabinet

Technical Field

The utility model relates to a filter technical field especially relates to double exhaust filter structure of biological safety cabinet.

Background

The biosafety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosols and splashes which may be generated in the operation process when operating infectious experimental materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens.

But among the prior art, current biological safety cabinet is constantly blown the safety cabinet work area through the sunken air current to the test article in the protection cabinet is not polluted by external dust or bacterium, however current biological safety cabinet is efficient inadequately in the degree of airing exhaust, and the long-term ventilation of the exhaust equipment of device can lead to the device to save a large amount of ash beds, and traditional biological safety cabinet can not dismantle, so lead to equipping can not be convenient for clean, make the practicality of device reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, make the gag lever post can be located vertically through rotating the swivel for can slide the gag lever post and run through first dust guard, make the device can convenient to detach.

In order to achieve the above purpose, the utility model adopts the following technical scheme: two filter structures of airing exhaust of biological safety cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the top of the cabinet body is fixed with bellows, the inside of bellows is equipped with the fan, and the air intake of fan and the inside top surface fixed connection of bellows, four spacing grooves have all been seted up in the top four corners of bellows, the top block of bellows is connected with first dust guard, four the inside bottom surface of spacing groove all is fixed with spring, four the interior table wall of spring all overlaps and is equipped with the telescopic link, the top four corners of first dust guard all slides and runs through there is the gag lever post, and the surface of gag lever post and the interior table wall sliding connection of spacing groove, four the top of gag lever post all is fixed with the change, four the both sides surface of gag lever post all is fixed with two stoppers.

As a preferred embodiment, a cabinet door is rotatably connected to the front surface of the cabinet body through a hinge, and an exhaust layer is fixed to the outer surface of one side of the cabinet body.

As a preferable embodiment, a ventilation layer is fixed on the top of the cabinet body, a support frame is fixed on the bottom of the cabinet body, and an operating table is arranged on the bottom surface inside the cabinet body.

As a preferred embodiment, built-in dust-proof boards are fixed between the top surface and the bottom surface of the interior of the cabinet body and the bottom surface of the interior of the air box, and a fan frame is fixed on the outer surface of the other side of the cabinet body.

In a preferred embodiment, an exhaust fan is fixed on the outer surface of one side of the fan frame, the exhaust fan is located in the cabinet body, and a second dust guard is connected to the outer surface of the other side of the cabinet body in a clamping manner.

As a preferred embodiment, four fixing rods are fixed on the outer surface of one side of the second dust-proof plate at equal intervals along the circumferential direction, and a negative magnetic layer is fixed at one end of each of the four fixing rods.

As a preferred embodiment, four fixing grooves are equidistantly formed in the outer surface of the other side of the cabinet body in the circumferential direction, the positive magnetic layer is fixed in each of the four fixing grooves, two limiting elastic pieces are fixed in each of the four fixing grooves, and the limiting elastic pieces are connected with the fixing rods in a clamping mode.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, make the gag lever post can be located vertically through rotating the swivel, make can slide the gag lever post and run through first dust guard, secondly slide to the inside of spacing groove because a circular recess has been seted up to the inside of spacing groove, so when the gag lever post slides to the spacing inslot, the swivel that rotates drives the gag lever post and above stopper rotate in order to reach the lateral position, thereby make first dust guard and bellows can reach fixed purpose, make first dust guard and bellows can be convenient for dismantle and clear up, the practicality of device has been strengthened, the device is when using, flow through fan and exhaust fan like the inside wind that carries on of device, dual setting of airing exhaust can improve the ventilation efficiency of device.

2. The utility model discloses in, after the device has been used for a long time, can pull out the second dust guard hard, then clear up it, when the clearance finishes the installation, carry out the school with dead lever and fixed slot and right, then insert the inside of fixed slot, spacing shell fragment can reach the purpose of block with the hole groove on fixed rod surface, and the adsorption force of positive magnetic layer and negative magnetic layer makes the second dust guard more fixed with the surface of the cabinet body, make the second dust guard of device can reach convenient to detach, make things convenient for abluent purpose, it is dual dustproof, make the protection internal plant that the device can not receive the harm.

Drawings

FIG. 1 is a front sectional view of a double exhaust filter structure of a biosafety cabinet of the present invention;

FIG. 2 is a side sectional view of the double exhaust filter structure of the biosafety cabinet of the present invention;

FIG. 3 is a side sectional view of a fixing groove part of a double exhaust filter structure of the biosafety cabinet of the present invention;

fig. 4 is an enlarged schematic structural view of a position a in fig. 1 of the biosafety cabinet double-exhaust filter structure of the present invention.

Illustration of the drawings:

1. a cabinet body; 101. fixing grooves; 102. a positive magnetic layer; 103. a limiting elastic sheet; 2. an exhaust layer; 3. a cabinet door; 4. a second dust-proof plate; 401. fixing the rod; 402. a negative magnetic layer; 5. an exhaust fan; 6. a dust guard is arranged in the dust guard; 7. a breathable layer; 8. an operation table; 9. a first dust-proof plate; 10. a fan; 11. a support frame; 12. a fan frame; 13. a limiting rod; 1301. rotating the ring; 1302. a limiting block; 14. an air box; 1401. a limiting groove; 1402. a spring; 1403. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: two air exhaust filter structures of biosafety cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body 1, the top of the cabinet body 1 is fixed with bellows 14, the inside of bellows 14 is equipped with fan 10, and the inside top surface fixed connection of the air intake of fan 10 and bellows 14, four spacing grooves 1401 have all been seted up in bellows 14's top four corners, the top block of bellows 14 is connected with first dust guard 9, the inside bottom surface of four spacing grooves 1401 all is fixed with spring 1402, the interior table wall of four spring 1402 all overlaps and is equipped with telescopic link 1403, the top four corners of first dust guard 9 all slides and runs through gag lever post 13, and the surface of gag lever post 13 and the interior table wall sliding connection of gag lever post 1401, the top of four gag lever posts 13 all is fixed with swivel 1301, the both sides surface of four gag lever posts 13 all is fixed with two stopper 1302.

The front surface of the cabinet body 1 is rotatably connected with a cabinet door 3 through a hinge, and the outer surface of one side of the cabinet body 1 is fixed with an exhaust layer 2, so that the device can exhaust air conveniently.

The top of the cabinet body 1 is fixed with ventilative layer 7, and the bottom of the cabinet body 1 is fixed with support frame 11, and the inside bottom surface of the cabinet body 1 is equipped with operation panel 8, makes things convenient for the staff to carry out normal operating.

Built-in dust-proof plates 6 are fixed between the top surface and the bottom surface of the interior of the cabinet body 1 and the bottom surface of the interior of the air box 14, and a fan frame 12 is fixed on the outer surface of the other side of the cabinet body 1 to prevent the interior of the device from entering an ash layer.

An exhaust fan 5 is fixed on the outer surface of one side of the fan frame 12, the exhaust fan 5 is positioned inside the cabinet 1, and a second dust guard 4 is clamped and connected on the outer surface of the other side of the cabinet 1.

Four fixing rods 401 are fixed to the outer surface of one side of the second dust-proof plate 4 at equal intervals in the circumferential direction, and a negative magnetic layer 402 is fixed to one end of each of the four fixing rods 401, so that the second dust-proof plate 4 can be fixed better.

Four fixed slots 101 have been seted up along the circumferencial direction equidistance to the opposite side surface of the cabinet body 1, and the inside of four fixed slots 101 all is fixed with anodal magnetic layer 102, and the inside of four fixed slots 101 all is fixed with two spacing shell fragments 103, and spacing shell fragment 103 is connected with dead lever 401 block, further makes that second dust guard 4 can be better fixed.

The working principle of the embodiment is as follows: when the double-exhaust filter structure of the biosafety cabinet is used, firstly, as shown in fig. 1-3 and fig. 4, after the device is used for a long time, the limiting rod 13 can be positioned in the longitudinal direction by rotating the rotating ring 1301, so that the limiting rod 13 can slide to penetrate through the first dust-proof plate 9, secondly, the limiting rod 13 slides to the inside of the limiting groove 1401, because the inside of the limiting groove 1401 is provided with a circular groove, when the limiting rod 13 slides to the limiting groove 1401, the rotating ring 1301 rotates the limiting rod 13 and the limiting block 1302 to achieve the transverse position, so that the first dust-proof plate 9 and the air box 14 can achieve the fixing purpose, when the limiting rod 13 slides to the inside of the sliding groove, the spring 1402 is pressed downwards, when the limiting block 1302 is limited by the circular groove inside the limiting groove 1401, the upward acting force of the spring 1402 can prevent the limiting block 1302 from generating the dislocation phenomenon, and the fixing effect has stability, the use of the telescopic link 1403 can prevent the spring 1402 from being dislocated, and when the device is used, the fan 10 and the exhaust fan 5 can flow wind to the inside of the device, so that the double air exhaust arrangement can improve the ventilation efficiency of the device and enhance the practicability of the device;

according to the illustration in fig. 1-2, when the device is used, because the outer surface of one side of the second dust guard 4 is fixed with the handle, after the device is used for a long time, the second dust guard 4 can be pulled out with force to be cleaned, when the device is cleaned and installed, the fixed rod 401 and the fixed groove 101 are calibrated, then the fixed groove 101 is inserted into the device, the limiting elastic piece 103 can be clamped with the hole groove on the surface of the fixed rod 401, and the adsorption force of the positive magnetic layer 102 and the negative magnetic layer 402 can make the second dust guard 4 and the outer surface of the cabinet body 1 fixed, so that the second dust guard 4 of the device can be conveniently detached and cleaned, and the practicability of the device is enhanced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. Two exhaust filter structure of biological safety cabinet, including the cabinet body (1), its characterized in that: an air box (14) is fixed at the top of the cabinet body (1), a fan (10) is arranged inside the air box (14), an air inlet of the fan (10) is fixedly connected with the inner top surface of the air box (14), four limiting grooves (1401) are respectively arranged at four corners of the top of the air box (14), the top of the air box (14) is connected with a first dust guard (9) in a clamping way, springs (1402) are fixed on the inner bottom surfaces of the four limiting grooves (1401), telescopic rods (1403) are sleeved on the inner surface walls of the four springs (1402), limiting rods (13) are penetrated through the four corners of the top of the first dustproof plate (9) in a sliding manner, the outer surfaces of the limiting rods (13) are connected with the inner surface wall of the limiting groove (1401) in a sliding mode, the tops of the four limiting rods (13) are fixed with rotating rings (1301), and the outer surfaces of the two sides of the four limiting rods (13) are fixed with two limiting blocks (1302).

2. The biosafety cabinet double-exhaust filter structure according to claim 1, characterized in that: the front surface of the cabinet body (1) is rotatably connected with a cabinet door (3) through a hinge, and an exhaust layer (2) is fixed on the outer surface of one side of the cabinet body (1).

3. The biosafety cabinet double-exhaust filter structure according to claim 1, characterized in that: the top of the cabinet body (1) is fixed with a breathable layer (7), the bottom of the cabinet body (1) is fixed with a support frame (11), and the bottom surface of the inside of the cabinet body (1) is provided with an operating table (8).

4. The biosafety cabinet double-exhaust filter structure according to claim 1, characterized in that: built-in dust-proof plates (6) are fixed between the top surface and the bottom surface of the interior of the cabinet body (1) and the bottom surface of the interior of the air box (14), and a fan frame (12) is fixed on the outer surface of the other side of the cabinet body (1).

5. The biosafety cabinet double-exhaust filter structure according to claim 4, wherein: the outer fixed surface of one side of fan frame (12) has air discharge fan (5), and air discharge fan (5) are located the inside of the cabinet body (1), the opposite side surface block of the cabinet body (1) is connected with second dust guard (4).

6. The dual exhaust filter structure of biological safety cabinet according to claim 5, wherein: four fixing rods (401) are fixed on the outer surface of one side of the second dust guard (4) at equal intervals in the circumferential direction, and a negative magnetic layer (402) is fixed at one end of each fixing rod (401).

7. The biosafety cabinet double-exhaust filter structure according to claim 1, characterized in that: four fixed slots (101) have been seted up along the circumferencial direction equidistance to the opposite side surface of the cabinet body (1), four the inside of fixed slot (101) all is fixed with anodal magnetic layer (102), four the inside of fixed slot (101) all is fixed with two spacing shell fragments (103), and spacing shell fragment (103) are connected with dead lever (401) block.