CN216573137U

CN216573137U - Biological safety cabinet convenient to overhaul

Info

Publication number: CN216573137U
Application number: CN202122639918.9U
Authority: CN
Inventors: 李新平
Original assignee: Nanjing Lingxin Biotechnology Co ltd
Current assignee: Nanjing Lingxin Biotechnology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-24
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a convenient-to-overhaul biological safety cabinet, relating to the technical field of biological safety cabinets and comprising a control box and an operation box, the operation box is fixedly arranged at the top of the control box, one side of the control box is connected with a pull plate in a sliding way, the inner wall of one side of the drawing plate is fixedly connected with a fixed block, the outer wall of one side of the fixed block is fixedly connected with two telescopic air rods, the other end of the telescopic air rod is fixedly connected with the inner wall of the control box, a return spring is sleeved on the circumferential outer wall of the telescopic air rod, the bottom of the operation box is fixedly connected with an exhaust tube, the inside of the control box is detachably provided with a filtering device, the air suction pipe is arranged at the top of the filtering device, the bottom of the filtering device is provided with a blower, the output end of the air blower is connected with an air guide pipe, and an air outlet communicated with the air guide pipe is fixedly arranged on the inner wall of the operation box. The utility model is convenient for opening the control box and carrying out maintenance on the control box.

Description

Biological safety cabinet convenient to overhaul

Technical Field

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

Background

The biological safety cabinet is a box-shaped air purification negative pressure safety device which can prevent aerosol from dissipating when some dangerous or unknown biological particles are contained in the experimental operation and treatment process. The protective barrier is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like, and is the primary protective barrier in the biological safety of laboratories, namely the most basic safety protective equipment.

Biosafety cabinets are an important piece of equipment in biological laboratories designed to protect workers, the laboratory environment, and the laboratory materials from exposure to aerosols and spills that may be generated when workers handle materials containing infectious agents.

After the biosafety cabinet is put into use, regular maintenance is needed, but the existing biosafety cabinet is fixed through screws, and the screws are needed to be disassembled for disassembly and maintenance, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a biosafety cabinet convenient to overhaul. Its advantage is easy maintenance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a biosafety cabinet convenient to overhaul, includes control box and control box, control box fixed mounting is at the top of control box, one side sliding connection of control box has the pull board, one side inner wall fixedly connected with fixed block of pull board, two flexible gas poles of fixed block one side outer wall fixedly connected with, the other end fixed connection of flexible gas pole is at the inner wall of control box, the circumference outer wall cover of flexible gas pole is equipped with reset spring the outer wall fixedly connected with handle of pull board.

Through the technical scheme: when needing to overhaul the biosafety cabinet and maintain, holding the handle, promoting the pull board, the flexible gas pole of pull board atress can be drawed and reset spring extends, is convenient for overhaul the inside device of control box and maintains, simultaneously, under flexible gas pole and reset spring's effect, the pull board can resume to original state, seals to sheltering from to the control box inside, the convenience of overhauing that provides of very big degree.

The utility model is further arranged in that sliding plates are fixedly connected to the inner walls of the two sides of the control box, sliding grooves are formed in the sliding plates, and the upper end and the lower end of the pull plate are slidably embedded in the sliding grooves.

Through the technical scheme: when the pull board moves, the pull board can move in the sliding groove more stably, and the durability is enhanced.

The air-extracting device is characterized in that an air extracting pipe is fixedly connected to the bottom of the operation box, a filtering device is detachably mounted in the control box, the air extracting pipe is mounted at the top of the filtering device, an air blower is mounted at the bottom of the filtering device, an air guide pipe is connected to the output end of the air blower, and an air outlet communicated with the air guide pipe is fixedly mounted on the inner wall of the operation box.

Through the technical scheme: and starting the air blower, wherein under the action of the air blower, the gas in the operation box can enter the filtering device from the air exhaust pipe to be filtered, and then flows into the operation box from the air outlet through the air guide pipe, so that the gas can be circularly filtered.

The utility model is further provided that the inner wall of the top of the control box is fixedly connected with a fixed plate, and the filtering device is placed on the fixed plate.

Through the technical scheme: utilize the fixed plate that sets up, be convenient for place filter equipment for filter equipment can conveniently take and clear up or change.

The filter device is further provided with a fixing plate which is in a U-shaped structure, notches are formed in the inner walls of the two sides of the fixing plate, and the outer walls of the two sides of the filter device are fixedly connected with lugs.

Through the technical scheme: the convex block fixedly connected with the two sides of the filtering device can better slide in the groove, so that the filtering device is convenient to take and is stable.

The utility model further provides that the filter device comprises an activated carbon filter layer, a preliminary filter layer and a depth filter layer which are hermetically arranged inside.

Through the technical scheme: utilize the three-layer to filter, strengthen the filter effect, convenient to detach installs simultaneously.

The utility model is further provided that the top and the bottom of the filtering device are both fixedly connected with mounting blocks, and the exhaust tube and the blower are both hermetically connected on the mounting blocks through nut threads.

Through the technical scheme: when taking out filter equipment, only need rotate the nut for filter equipment can be convenient for take out, and when connecting, turn round tight nut, make to connect tightly.

The utility model has the beneficial effects that:

1. the utility model provides a biosafety cabinet convenient to overhaul, when needing to overhaul the biosafety cabinet and maintain, hold the handle, promote the pull board, the pull board atress can stimulate flexible gas pole and reset spring to extend, is convenient for overhaul the device of control box inside and maintains, simultaneously, under flexible gas pole and reset spring's effect, the pull board can resume to original state, seals to the inside sheltering from of control box, the very big degree provides the convenience of overhauing.

2. The utility model provides a biosafety cabinet convenient to overhaul, through being provided with air-blower and filter equipment, starts the air-blower, under the effect of air-blower, the inside gas of control box can be followed exhaust tube and got into filter equipment and filtered the back, flows into inside the control box from the air outlet through the guide duct for gas can the loop filter.

3. The utility model provides a biosafety cabinet convenient to overhaul, the shape of fixed plate is the U-shaped structure, and the notch has been seted up to the both sides inner wall of fixed plate, and filter equipment's both sides outer wall fixedly connected with lug, slide in the recess that filter equipment both sides fixed connection's lug can be better, the filter equipment of being convenient for take, and comparatively stable.

Drawings

FIG. 1 is a schematic perspective view of a biosafety cabinet convenient for maintenance according to the present invention;

FIG. 2 is a schematic cross-sectional view of a biosafety cabinet convenient for maintenance according to the present invention;

fig. 3 is a schematic partial perspective view of a biosafety cabinet convenient to overhaul according to the present invention.

In the figure: 1. a control box; 2. an operation box; 5. a drawing plate; 7. a fixed block; 8. a slide plate; 9. a chute; 10. a telescopic air rod; 11. a return spring; 12. a filtration device; 14. an air exhaust pipe; 15. mounting blocks; 16. a blower; 17. an air guide pipe; 18. an air outlet; 19. a fixing frame.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a biosafety cabinet convenient to overhaul, including control box 1 and

control box

2, 2 fixed mounting of control box are at the top of control box 1, one side sliding connection of control box 1 has pull board 5, one side inner wall fixedly connected with fixed block 7 of

pull board

5, 7 one side outer wall fixedly connected with of fixed block have two flexible gas poles 10, the other end fixed connection of flexible gas pole 10 is at the inner wall of control box 1, the circumference outer wall cover of flexible gas pole 10 is equipped with reset spring 11 pull board 5's outer wall fixedly connected with handle.

Concretely, the both sides inner wall fixedly connected with slide 8 of control box 1 has all seted up spout 9 on the slide 8, and the gomphosis that slides at the upper and lower both ends of pull board 5 is in spout 9, when pull board 5 removed, can be comparatively stable remove in spout 9, reinforcing durability.

Specifically, the bottom fixedly connected with exhaust tube 14 of control box 2, the inside demountable installation of control box 1 has filter equipment 12, exhaust tube 14 is installed at filter equipment 12 top, air-blower 16 is installed to filter equipment 12's bottom, the output of air-blower 16 is connected with

guide duct

17, 2 inner wall fixed mounting of control box has the air outlet 18 with guide duct 17 intercommunication, start air-blower 16, under air-blower 16's effect, the inside gas of control box 2 can get into filter equipment 12 from exhaust tube 14 and filter the back, flow into inside control box 2 from air outlet 18 through guide duct 17, make gas can the loop filter.

Specifically, the top inner wall fixedly connected with mount 19 of control box 1, filter equipment 12 places on mount 19, utilizes the mount 19 that sets up, is convenient for place filter equipment 12 for filter equipment 12 can conveniently take and clear up or change.

Specifically, mount 19's shape is the U-shaped structure, and the notch has been seted up to mount 19's both sides inner wall, and filter equipment 12's both sides outer wall fixedly connected with lug, filter equipment 12 both sides fixed connection's lug can be better slide in the recess, be convenient for take of filter equipment 12, and comparatively stable.

Specifically, filter device 12 includes the activated carbon filter layer, preliminary filter layer and the depth filter layer of inside seal installation, utilizes the three-layer to filter, strengthens the filter effect, and convenient to detach installs simultaneously.

Specifically, the top and the bottom of the filtering device 12 are fixedly connected with the mounting block 15, the exhaust tube 14 and the air blower 16 are connected to the mounting block 15 through nut threads in a sealing mode, when the filtering device 12 is taken out, the nut only needs to be rotated, the filtering device 12 can be taken out conveniently, and when the filtering device 12 is connected, the nut is screwed tightly, and connection is tight.

The working principle is as follows: when needing to overhaul the biosafety cabinet and maintain, hold the handle, promote pull board 5, pull board 5 atress can stimulate flexible gas pole 10 and reset spring 11 extension, is convenient for overhaul the maintenance to the device of control box 1 inside, simultaneously, under flexible gas pole 10 and reset spring 11's effect, pull board 5 can resume to original state, seals to sheltering from to control box 1 inside, the convenience of overhauing that provides of very big degree.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a biosafety cabinet convenient to overhaul, includes control box (1) and control box (2), its characterized in that, control box (2) fixed mounting is at the top of control box (1), one side sliding connection of control box (1) has pull board (5), one side inner wall fixedly connected with fixed block (7) of pull board (5), two flexible gas poles (10) of fixed block (7) one side outer wall fixedly connected with, the other end fixed connection of flexible gas pole (10) is at the inner wall of control box (1), the circumference outer wall cover of flexible gas pole (10) is equipped with reset spring (11) the outer wall fixedly connected with handle of pull board (5).

2. The biosafety cabinet convenient to overhaul according to claim 1, wherein sliding plates (8) are fixedly connected to inner walls of two sides of the control box (1), sliding grooves (9) are formed in the sliding plates (8), and upper and lower ends of the pull-out plate (5) are slidably embedded in the sliding grooves (9).

3. The biosafety cabinet convenient to overhaul according to claim 1, wherein an air suction pipe (14) is fixedly connected to the bottom of the operation box (2), a filtering device (12) is detachably mounted inside the control box (1), the air suction pipe (14) is mounted at the top of the filtering device (12), an air blower (16) is mounted at the bottom of the filtering device (12), an air guide pipe (17) is connected to an output end of the air blower (16), and an air outlet (18) communicated with the air guide pipe (17) is fixedly mounted on the inner wall of the operation box (2).

4. An easy-to-overhaul biosafety cabinet according to claim 3, characterized in that a fixing frame (19) is fixedly connected to the top inner wall of the control box (1), and the filtering device (12) is placed on the fixing frame (19).

5. The biosafety cabinet convenient to overhaul as claimed in claim 4, wherein the shape of the fixing frame (19) is a U-shaped structure, notches are formed in the inner walls of two sides of the fixing frame (19), and the outer walls of two sides of the filtering device (12) are fixedly connected with protruding blocks.

6. An easy-to-service biosafety cabinet according to claim 5, characterized in that the filter device (12) comprises an activated carbon filter layer, a preliminary filter layer and a depth filter layer which are hermetically mounted inside.

7. An easy-to-overhaul biosafety cabinet according to claim 6, characterized in that the top and bottom of the filtering device (12) are fixedly connected with mounting blocks (15), and the air suction pipe (14) and the air blower (16) are hermetically connected on the mounting blocks (15) through nuts and threads.