CN217940214U

CN217940214U - High biological safety cabinet of security

Info

Publication number: CN217940214U
Application number: CN202221773412.5U
Authority: CN
Inventors: 李书凤; 方力
Original assignee: Hangzhou Huoke Biotechnology Co ltd
Current assignee: Hangzhou Huoke Biotechnology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-02
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a biological safety cabinet technical field provides a high biological safety cabinet of security, including safety cabinet main part, HEPA filter and diaphragm, the inside intermediate position department of safety cabinet main part is fixed with the diaphragm, and the HEPA filter is all installed on the inside top of safety cabinet main part and the top of diaphragm, and the both sides of HEPA filter all are provided with the dismouting structure, and the dismouting structure includes installation piece, butt joint groove, butt joint piece, fixed orifices, supporting shoe, slot and fixed pin. The utility model discloses a be provided with the dismouting structure, utilize the block between butt joint groove and the butt joint piece to dismouting HEPA filter, certain having made things convenient for the staff to overhaul the HEPA filter and maintain or change, prevent with this that the HEPA filter from using for a long time and appearing damaging the scheduling problem, thereby make the filter effect of HEPA filter receive the problem of influence to appear easily.

Description

High biological safety cabinet of security

Technical Field

The utility model relates to a biological safety cabinet technical field, in particular to high biological safety cabinet of security.

Background

The biological safety cabinet is a box type air purification negative pressure safety device capable of preventing aerosol from dissipating due to the fact that some dangerous or unknown biological particles are contained in the experimental operation and treatment process, is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like, is the most basic safety protection equipment in a primary protection barrier in laboratory biological safety, is various in types, and is one of the biological safety cabinets with high safety.

The existing biological safety cabinet has the following defects:

patent document CN215540978U discloses a biosafety cabinet, the on-line screen storage device comprises a base, still include biosafety cabinet box and chamber door, the slider is installed at the both ends of biosafety cabinet box, the equal slidable mounting of slider is in the spout, the bottom fixed mounting of spout is at the upper surface of base, the cylinder is still installed to the base upper surface, the cylinder is located between the spout, the hydraulic stem of cylinder is connected with the bottom of biosafety cabinet box, the atomizer is installed at the top of biosafety cabinet box, the pan feeding end of atomizer and the inner chamber intercommunication of antiseptic solution bin, and the atomizer is provided with a plurality of atomising heads, the atomising head is located inside the biosafety cabinet box, the biosafety cabinet box passes through the blast pipe and is connected with ventilation unit, exhaust apparatus has still been seted up on the biosafety cabinet box, a plurality of universal gyro wheels are installed to the bottom of base. The disinfection is carried out in the biological safety cabinet body by atomizing and spraying the disinfectant through the sprayer, the disinfection area is enlarged, and redundant disinfectant is prevented from remaining in the biological safety cabinet body.

However, the biosafety cabinet of the above publication mainly considers how to solve the problem of sterilization, and does not consider that the existing biosafety cabinet has the problem that the HEPA filter is not convenient to be disassembled, replaced or repaired.

In view of this, the biosafety cabinet with high safety needs to be used to solve the problem that the filtration effect of the HEPA filter is affected if the HEPA filter is damaged due to inconvenient disassembly, assembly, replacement or maintenance of the HEPA filter when the biosafety cabinet is used.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a high biosafety cabinet of security for solve the inconvenient dismouting of the high biosafety cabinet HEPA filter of current security and change or the defect of overhauing.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: a biological safety cabinet with high safety comprises a safety cabinet main body, an HEPA filter and a transverse plate, wherein the transverse plate is fixed at the middle position inside the safety cabinet main body, and the HEPA filter is arranged at the top end inside the safety cabinet main body and the top end of the transverse plate;

the two sides of the HEPA filter are respectively provided with a dismounting structure, the dismounting structure comprises an installation block, a butt joint groove, a butt joint block, a fixing hole, a supporting block, a slot and a fixing pin, the installation block is fixed on the two sides of the HEPA filter, the butt joint groove is formed in the installation block, the butt joint block is inserted in the butt joint groove, the fixing hole is formed in the butt joint block, the supporting block is fixed on both sides of the top end of the safety cabinet main body and both sides of the top end of the transverse plate, the slot is formed in the supporting block, the fixing pin transversely penetrates through the slot, and one side of the fixing pin penetrates through the installation block and extends into the fixing hole;

the novel safety cabinet is characterized in that sterilization mechanisms are arranged on two sides of the bottom end of the transverse plate, an exhaust pipe is arranged on the top end inside the safety cabinet main body, fans are arranged on two sides of the top end inside the safety cabinet main body, an auxiliary structure is arranged on the bottom end inside the safety cabinet main body, an air guide groove is formed in one end of the safety cabinet main body, and a transparent plate is arranged at the other end of the safety cabinet main body.

Preferably, the sterilization mechanism includes sterilamp, mounting panel and connecting block, the sterilamp all sets up in the both sides of diaphragm bottom, the connecting block is installed at the both ends of sterilamp, one side of connecting block is fixed with the mounting panel.

Preferably, the ultraviolet germicidal lamps are arranged in four groups, and the ultraviolet germicidal lamps are symmetrically distributed about a vertical central axis of the transverse plate.

Preferably, the auxiliary structure includes garbage collection box, gyro wheel, slider and spout, the garbage collection box is installed in the inside bottom of safety cabinet main part, the both sides of garbage collection box are fixed with the slider, the slider is inserted and is established to the inside of spout, and the spout is seted up in the inside of safety cabinet main part, the bottom of garbage collection box is provided with the gyro wheel, and the gyro wheel inlays the inside of locating the safety cabinet main part.

Preferably, the rollers are provided with a plurality of groups, and the rollers are distributed at equal intervals at the bottom end of the waste collecting box.

Preferably, the inner diameter of the butt joint groove is larger than the outer diameter of the butt joint block, and the butt joint groove and the butt joint block form a clamping structure.

Preferably, the inside of slot is provided with the internal thread, the outside of fixed pin is provided with the external screw thread, slot and fixed pin constitute helicitic texture.

(III) advantageous effects

The utility model provides a pair of high biosafety cabinet of security, its advantage lies in: through the arrangement of the dismounting structure, the HEPA filter is dismounted by utilizing the clamping between the butt joint groove and the butt joint block, so that the maintenance or replacement of the HEPA filter by workers is facilitated to a certain extent, the problems that the HEPA filter is damaged after being used for a long time and the like are prevented, and the problem that the filtering effect of the HEPA filter is influenced easily occurs;

by arranging the sterilization mechanism, the ultraviolet sterilization lamp is arranged in the working area, and the ultraviolet light generated by the ultraviolet sterilization lamp can be used for performing sterilization and disinfection treatment to a certain extent in the working area, so that bacteria, viruses and the like are prevented from breeding, and the safety of the device is improved;

through being provided with auxiliary structure, install the garbage collection box in safety cabinet main part inner workings area's bottom, utilize the garbage collection box to collect biological test waste material to this makes things convenient for the staff to collect and clear up biological test waste material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic front sectional view of the auxiliary structure of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

fig. 5 is a schematic diagram of the three-dimensional structure of the auxiliary structure of the present invention.

The reference numbers in the figures illustrate: 1. a safety cabinet main body; 2. a HEPA filter; 3. a transverse plate; 4. a sterilization mechanism; 401. an ultraviolet germicidal lamp; 402. mounting a plate; 403. connecting blocks; 5. an auxiliary structure; 501. a waste collection box; 502. a roller; 503. a slider; 504. a chute; 6. a disassembly and assembly structure; 601. mounting blocks; 602. a butt joint groove; 603. a butt joint block; 604. a fixing hole; 605. a support block; 606. a slot; 607. a fixing pin; 7. a fan; 8. an exhaust duct; 9. a wind guide groove; 10. a transparent plate.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1-5, the biosafety cabinet with high safety provided by the present invention comprises a main body 1, an HEPA filter 2 and a horizontal plate 3, the horizontal plate 3 is fixed at the middle position inside the main body 1, the HEPA filter 2 is installed at the top end inside the main body 1 and the top end of the horizontal plate 3, the disassembling structure 6 is installed at both sides of the HEPA filter 2, the disassembling structure 6 comprises an installation block 601, a butt-joint groove 602, a butt-joint block 603, a fixing hole 604, a supporting block 605, a slot 606 and a fixing pin 607, the installation block 601 is fixed at both sides of the HEPA filter 2, the butt-joint groove 602 is opened inside the installation block 601, the butt-joint block 603 is inserted inside the butt-joint groove 602, the fixing hole 604 is opened inside the butt-joint block 603, the supporting blocks 605 are fixed at both sides of the top end inside the main body 1 and both sides of the top end of the horizontal plate 3, slot 606 has been seted up to the inside of supporting shoe 605, the inside of slot 606 transversely runs through there is fixed pin 607, and one side of fixed pin 607 runs through in the inside that installation piece 601 extends to fixed orifices 604, the both sides of diaphragm 3 bottom all are provided with the mechanism 4 that disinfects, the inside top of safety cabinet main part 1 is provided with exhaust pipe 8, fan 7 is all installed to the both sides on the inside top of safety cabinet main part 1, the inside bottom of safety cabinet main part 1 is provided with auxiliary structure 5, the one end of safety cabinet main part 1 is provided with wind-guiding groove 9, the other end of safety cabinet main part 1 is provided with transparent plate 10, the internal diameter of butt joint groove 602 is greater than the external diameter of butt joint block 603, butt joint groove 602 constitutes the block structure with butt joint block 603, the inside of slot 606 is provided with the internal thread, the outside of fixed pin 607 is provided with the external screw thread, slot 606 and 607 constitute the helicitic texture.

The working principle of the biosafety cabinet with high safety based on the first embodiment is as follows: the fan 7 is started to suck the air in the safety cabinet main body 1 outwards to keep the interior of the safety cabinet in a negative pressure state, workers are protected by vertical airflow, and when outside air enters the safety cabinet after being filtered by the HEPA filter 2, the outside air is filtered by the HEPA filter 2 to avoid pollution of a processed sample, when the air in the cabinet is exhausted, the outside air is also filtered by the HEPA filter 2 and then is exhausted into the atmosphere to protect the environment, wherein the workers can periodically carry out maintenance or replacement operation on the HEPA filter 2 to ensure the filtering efficiency of the HEPA filter, when the HEPA filter 2 is disassembled, the fixing pin 607 is screwed out of the fixing hole 604, then the clamping between the butt joint groove 602 and the butt joint block 603 is separated, the HEPA filter 2 can be disassembled, when the HEPA filter 2 is installed, the butt joint groove 602 is clamped with the butt joint block 603, then the fixing pin is screwed into the fixing hole 604, the installation operation on the HEPA filter 2 is completed, the convenient disassembly and assembly of the HEPA filter 2 are convenient, and the maintenance and replacement of the HEPA filter 2 by the workers are facilitated.

Example two

This embodiment still includes: sterilizing mechanism 4 includes sterilamp 401, mounting panel 402 and connecting block 403, sterilamp 401 all sets up in the both sides of diaphragm 3 bottom, connecting block 403 is installed at sterilamp 401's both ends, one side of connecting block 403 is fixed with mounting panel 402, sterilamp 401 is provided with four groups, sterilamp 401 is the symmetric distribution about the perpendicular axis of diaphragm 3, auxiliary structure 5 includes garbage collection box 501, gyro wheel 502, slider 503 and spout 504, garbage collection box 501 installs in the inside bottom of safety cabinet main part 1, garbage collection box 501's both sides are fixed with slider 503, slider 503 inserts the inside of establishing to spout 504, and spout 504 opens in the inside of safety cabinet main part 1, the bottom of garbage collection box 501 is provided with gyro wheel 502, and gyro wheel 502 inlays the inside of safety cabinet main part 1, gyro wheel 502 is provided with a plurality of groups, a plurality of groups of gyro wheel 502 are at the equidistant distribution of bottom of garbage collection box 501.

In this embodiment, firstly, after the device is used, the uv-germicidal lamp 401 connected to the power supply can be started to perform a certain degree of sterilization and disinfection treatment on the internal work area of the safety cabinet main body 1, the uv-germicidal lamp 401 is started, the uv-light generated by the uv-germicidal lamp 401 is utilized, a certain degree of disinfection and disinfection treatment can be performed on the internal work area of the safety cabinet main body 1, secondly, the garbage collection box 501 can be used for carrying the waste of a biological test, so that the worker can clean the waste, when cleaning, the sliding connection between the sliding block 503 and the sliding groove 504 is utilized, the sliding block 503 is pulled out from the inside of the sliding groove 504 by the garbage collection box 501, the garbage collection box 501 can be detached, after cleaning is completed, the sliding block slides into the inside of the sliding groove 504, and the garbage collection box 501 can be installed, wherein the bottom of the garbage collection box 501 is in contact with the roller 502, the friction force generated when the bottom of the garbage collection box 501 is in direct contact with the safety cabinet main body 1 can be reduced to a certain degree by the roller 502, and the pulling of the garbage collection box 501 can be more convenient and fast.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high biological safety cabinet of security, includes safety cabinet main part (1), HEPA filter (2) and diaphragm (3), its characterized in that: a transverse plate (3) is fixed in the middle of the interior of the safety cabinet main body (1), and HEPA filters (2) are mounted at the top end of the interior of the safety cabinet main body (1) and the top end of the transverse plate (3);

both sides of the HEPA filter (2) are provided with dismounting structures (6), each dismounting structure (6) comprises a mounting block (601), a butt joint groove (602), a butt joint block (603), a fixing hole (604), a supporting block (605), a slot (606) and a fixing pin (607), the mounting blocks (601) are fixed on both sides of the HEPA filter (2), the butt joint groove (602) is formed in the mounting block (601), the butt joint block (603) is inserted in the butt joint groove (602), the fixing hole (604) is formed in the butt joint block (603), the supporting blocks (605) are fixed on both sides of the top end of the interior of the safety cabinet main body (1) and both sides of the top end of the transverse plate (3), the slot (606) is formed in the supporting block (605), the fixing pin (607) transversely penetrates through the interior of the slot (606), and one side of the fixing pin (607) penetrates through the mounting block (601) and extends to the inside of the fixing hole (604);

the sterilization device is characterized in that sterilization mechanisms (4) are arranged on two sides of the bottom end of the transverse plate (3), an exhaust pipe (8) is arranged on the top end of the interior of the safety cabinet main body (1), fans (7) are arranged on two sides of the top end of the interior of the safety cabinet main body (1), an auxiliary structure (5) is arranged on the bottom end of the interior of the safety cabinet main body (1), an air guide groove (9) is formed in one end of the safety cabinet main body (1), and a transparent plate (10) is arranged at the other end of the safety cabinet main body (1).

2. A biosafety cabinet with high safety according to claim 1, wherein: sterilizing mechanism (4) include sterilamp (401), mounting panel (402) and connecting block (403), sterilamp (401) all set up in the both sides of diaphragm (3) bottom, connecting block (403) are installed at the both ends of sterilamp (401), one side of connecting block (403) is fixed with mounting panel (402).

3. A biosafety cabinet with high safety according to claim 2, wherein: the ultraviolet germicidal lamps (401) are arranged in four groups, and the ultraviolet germicidal lamps (401) are symmetrically distributed about a vertical central axis of the transverse plate (3).

4. A biosafety cabinet with high safety according to claim 1, wherein: auxiliary structure (5) include garbage collection box (501), gyro wheel (502), slider (503) and spout (504), install in the inside bottom of safety cabinet main part (1) garbage collection box (501), the both sides of garbage collection box (501) are fixed with slider (503), slider (503) are inserted and are established to the inside of spout (504), and spout (504) set up the inside in safety cabinet main part (1), the bottom of garbage collection box (501) is provided with gyro wheel (502), and gyro wheel (502) inlays and locates the inside of safety cabinet main part (1).

5. A biosafety cabinet with high safety according to claim 4, wherein: the rollers (502) are provided with a plurality of groups, and the rollers (502) of the groups are distributed at the bottom end of the waste collecting box (501) at equal intervals.

6. A biosafety cabinet with high safety according to claim 1, wherein: the inner diameter of the butt joint groove (602) is larger than the outer diameter of the butt joint block (603), and the butt joint groove (602) and the butt joint block (603) form a clamping structure.

7. A biosafety cabinet with high safety according to claim 1, wherein: the inside of slot (606) is provided with the internal thread, the outside of fixed pin (607) is provided with the external screw thread, slot (606) and fixed pin (607) constitute helicitic texture.