CN211562994U

CN211562994U - Biosafety cabinet with good sealing performance

Info

Publication number: CN211562994U
Application number: CN201922301658.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Hebei Sanzang Biotechnology Co ltd
Current assignee: Hebei Sanzang Biotechnology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-25
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a biosafety cabinet with good sealing performance, which relates to the technical field of biosafety cabinets and comprises a biosafety cabinet body, wherein a window installation frame with a rectangular structure is embedded in the biosafety cabinet body, a window which is matched with the window installation frame is fixedly installed in the window installation frame, an operation assembly is fixedly installed at the bottom of the window, the existing biosafety cabinet is designed into a full-sealing structure, in the actual use process, a worker can extend an arm into the biosafety cabinet through the operation assembly to operate, when the totally-sealing biosafety cabinet is not used, harmful fungi in the external environment are not easy to enter the interior of the cabinet body, and the biosafety cabinet is matched with a disinfection assembly which mainly realizes the sterilization treatment by emitting ultraviolet light, when the biosafety cabinet is not used, the disinfection assembly can be opened to sterilize the interior of the cabinet body, avoid the influence when later stage is used.

Description

Biosafety cabinet with good sealing performance

Technical Field

The utility model relates to a biosafety cabinet technical field specifically is a biosafety cabinet that leakproofness is good.

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. The biological safety cabinet can be divided into three categories, namely a first-level category, a second-level category and a third-level category so as to meet different biological research and epidemic prevention requirements. The biological safety cabinet is widely applied to the fields of medical health, disease prevention and control, food sanitation, biological pharmacy, environmental monitoring, various biological laboratories and the like, is an important basis for guaranteeing biological safety and environmental safety, and belongs to the category of 'livelihood' metering.

However, the biosafety cabinet that appears in the existing market is not only complicated structurally, but also is single in function, the operating area of the existing biosafety cabinet is in an open shape when in use, the sealing is realized through the electric roller shutter when not in use, and because the sealing performance of the electric roller shutter is general, when the biosafety cabinet is not in use, harmful bacteria are easily bred in the cabinet, and the influence is caused to the use in the later stage, therefore, the biosafety cabinet with good sealing performance is provided by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a biosafety cabinet that leakproofness is good, the operation area who has solved current biosafety cabinet is for opening the form when using, realizes sealedly through electronic book curtain when not using, because the sealing performance of electronic book curtain self is general, consequently when not using the biosafety cabinet, harmful fungus class is multiplied easily to the inside of the cabinet body, causes the problem of influence to the use in later stage.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a biosafety cabinet that leakproofness is good, bears the support including equipment, the top terminal surface fixed mounting that equipment bore the support has the biosafety cabinet body, the positive top of the biosafety cabinet body is the inclined plane, and the window installation frame of rectangle structure is installed in the inside embedding on inclined plane, the inside fixed mounting of window installation frame has the window of supporting use mutually, the bottom fixed mounting of window has the operation subassembly, the top terminal surface symmetrical formula of the biosafety cabinet body is installed respectively and is admitted air and handle subassembly and outlet duct, the positive bottom fixed mounting of the biosafety cabinet body has operating switch, the inside bottom fixed mounting of the biosafety cabinet body has the operation panel, the top of the biosafety cabinet body just is located the fixed mounting of the position department between processing subassembly and the outlet.

The air inlet processing assembly comprises an air inlet pipe communicated with the interior of the biological safety cabinet body, a flow guide cylinder body is fixedly connected in series above the air inlet pipe, a plurality of cambered plates are fixedly mounted on the side wall of the flow guide cylinder body, and each cambered plate and the inner adjacent end face of the flow guide cylinder body are fixedly connected with a dust removal net.

The disinfection subassembly includes the installation frame of fixed mounting on the internal top of biological safety cabinet, the multiunit lamp stand is installed on the inside top of installation frame, and fixed mounting has the lamp shade between per two lamp stands, the internally mounted of lamp shade has an ultraviolet ray disinfection lamp.

Preferably, the bottom end face of the equipment bearing support is respectively and fixedly provided with four supporting feet and universal rollers, the four supporting feet are located on the inner sides of the four universal rollers, and the four supporting feet and the four universal rollers are distributed at four points of a rectangular structure on the bottom end face of the equipment bearing support.

Preferably, one side end face of the biological safety cabinet body is rotatably connected with a sealing door through a hinge, visual glass is installed in the sealing door in an embedded mode, and a sealing gasket made of rubber is arranged at the joint of the edge of the sealing door and the biological safety cabinet body.

Preferably, the operation subassembly includes the solid fixed ring of fixed mounting on the window, gu fixed ring is towards the terminal surface fixedly connected with operation gloves of biological safety cabinet internal portion, gu fixed ring and operation gloves formula structure as an organic whole, operation gloves's finger end is located the inside of the biological safety cabinet body.

Preferably, a pressure sensor is fixedly installed on the inner wall of the end face at the other side of the biological safety cabinet, and a temperature sensor is fixedly installed at the position, below the pressure sensor, of the inner wall of the end face at the other side of the biological safety cabinet.

Preferably, a communicating structure is arranged between the air inlet pipe and the flow guide cylinder body, and a detachable connecting structure is formed between the air inlet pipe and the flow guide cylinder body through a flange plate.

Preferably, the height of the top end surface of the operating platform is the same as the height of the bottom end of the inclined surface of the biological safety cabinet body, and the operating platform is a component made of 304 stainless steel.

Preferably, the number of the operation assemblies is provided with two groups, and the two groups of operation assemblies respectively correspond to the left arm and the right arm of an operator.

Advantageous effects

The utility model provides a biosafety cabinet with good sealing performance. Compared with the prior art, the method has the following beneficial effects:

1. this biological safety cabinet that leakproofness is good, through being full seal structure with current biological safety cabinet design, at the in-process of in-service use, the staff can stretch into the inside of biological safety cabinet through operating assembly with the arm and operate, full seal biological safety cabinet is when not using, harmful fungus class among the external environment is difficult to the inside that gets into the cabinet body, and this biological safety cabinet is supporting to have the disinfection subassembly, the disinfection subassembly mainly realizes germicidal treatment through the mode that sends ultraviolet ray, when not using biological safety cabinet, can open the disinfection subassembly and disinfect the inside of the cabinet body, when avoiding later stage use, cause the influence, the practicality of current biological safety cabinet has been improved.

2. This biological safety cabinet that leakproofness is good is provided with the processing subassembly that admits air through the top at current biological safety cabinet, when needs let in the outside air to the inside of biological safety cabinet, admits air the dust removal net among the processing subassembly, can carry out filtration treatment to the dust that contains in the air, can avoid this biological safety cabinet when using equally, causes the influence, and structure scientific and reasonable, convenience safe in utilization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention with the window removed;

FIG. 3 is an internal side view of the bio-safety cabinet of the present invention;

FIG. 4 is a schematic structural diagram of the operation assembly of the present invention;

fig. 5 is a schematic structural view of the intake air treatment assembly of the present invention;

fig. 6 is a schematic structural view of the disinfecting assembly of the present invention.

In the figure: 1. an equipment carrying bracket; 2. supporting feet; 3. a universal roller; 4. a biological safety cabinet body; 5. a sealing door; 6. a window mounting frame; 7. a window; 8. an operating component; 81. a fixing ring; 82. operating gloves; 9. an intake air treatment assembly; 91. an air inlet pipe; 92. a flow guide cylinder; 93. a cambered plate; 94. a dust removal net; 95. a flange plate; 10. an air outlet pipe; 11. an operating switch; 12. an operation table; 13. a sterilizing assembly; 131. a mounting frame; 132. a lamp socket; 133. a lamp shade; 134. an ultraviolet disinfection lamp; 14. a pressure sensor; 15. a temperature sensor.

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. 1-3, the present invention provides a technical solution: a biosafety cabinet with good sealing performance comprises an equipment bearing support 1, a biosafety cabinet body 4 is fixedly installed on the top end face of the equipment bearing support 1, a sealing door 5 is rotatably connected to one side end face of the biosafety cabinet body 4 through a hinge, visible glass is installed in the sealing door 5 in an embedded mode, a rubber sealing gasket is arranged on the portion, where the edge of the sealing door 5 is connected with the biosafety cabinet body 4, of the sealing door, the top of the front face of the biosafety cabinet body 4 is an inclined face, a window installation frame 6 with a rectangular structure is embedded in the inclined face, a window 7 used in a matched mode is fixedly installed in the window installation frame 6, operation assemblies 8 are fixedly installed at the bottom of the window 7, two groups of the operation assemblies 8 are arranged, the two groups of the operation assemblies 8 respectively correspond to left and right arms of an operator, and air inlet processing, the positive bottom fixed mounting of the biological safety cabinet body 4 has operating switch 11, the inside bottom fixed mounting of the biological safety cabinet body 4 has operation panel 12, the height of operation panel 12 top end face is the same with the height of the biological safety cabinet body 4 inclined plane bottom, operation panel 12 is the component of a 304 stainless steel material, the top of the biological safety cabinet body 4 and the position department fixed mounting that is located between processing assembly 9 and the outlet duct 10 that admits air have disinfection subassembly 13, the inner wall fixed mounting of the biological safety cabinet body 4 other side terminal surface has pressure sensor 14, and the inner wall of the biological safety cabinet body 4 other side terminal surface is located the lower position department fixed mounting of pressure sensor 14 and has temperature sensor 15.

Referring to fig. 5, the air inlet processing assembly 9 includes an air inlet pipe 91 communicated with the inside of the biosafety cabinet body 4, a flow guide cylinder 92 is fixedly connected above the air inlet pipe 91 in series, a plurality of arc panels 93 are fixedly mounted on the side wall of the flow guide cylinder 92, a dust removing net 94 is fixedly connected to each arc panel 93 and the adjacent end surface inside the flow guide cylinder 92, a communicating structure is formed between the air inlet pipe 91 and the flow guide cylinder 92, and a detachable connecting structure is formed between the air inlet pipe 91 and the flow guide cylinder 92 through a flange 95.

Referring to fig. 6, the sterilizing assembly 13 includes a mounting frame 131 fixedly mounted on the top end of the inside of the biosafety cabinet 4, a plurality of lamp holders 132 are mounted on the top end of the inside of the mounting frame 131, a lamp cover 133 is fixedly mounted between every two lamp holders 132, and an ultraviolet sterilizing lamp 134 is mounted inside the lamp cover 133.

The bottom terminal surface that the support 1 was born to equipment fixed mounting respectively has four to support footing 2 and universal gyro wheel 3, and four support footing 2 all are located four universal gyro wheel 3's inboard, and four support footing 2 and four universal gyro wheels 3 all are four-point distribution of rectangle structure at the bottom terminal surface that support 1 was born to equipment.

Referring to fig. 4, the operation assembly 8 includes a fixing ring 81 fixedly mounted on the window 7, an operation glove 82 is fixedly connected to an end surface of the fixing ring 81 facing the inside of the bio-safety cabinet 4, the fixing ring 81 and the operation glove 82 are of an integrated structure, and a finger end of the operation glove 82 is located inside the bio-safety cabinet 4.

When in use, firstly, the sealing door 5 is opened, experimental materials with infectivity such as primary cultures, strains of bacteria and virus, diagnostic specimens and the like and tools required for operating the objects are placed on the operation table 12 together, then, the sealing door 5 is closed, a worker can sit right in front of the window 7 and respectively insert the left arm and the right arm into the two groups of operation components 8, then, the operation can be carried out, when external air needs to be introduced into the biological safety cabinet body 4 in the operation process, an external air source can be introduced into the equipment and is connected in series above the flow guide cylinder body 92, then, the introduced air is filtered by the multilayer dust removal net 94 arranged in the flow guide cylinder body 92, dust contained in the air can be effectively removed, after the operation is finished, the objects and the tools are taken out, the sealing door 5 is also closed, and the whole biological safety cabinet body 4 is in a sealing state, subsequently, open ultraviolet ray sterilamp 134, send ultraviolet ray, carry out germicidal treatment to the remaining culture or other harmful fungus that the biological safe cabinet body 4 exists, be convenient for reuse, structure scientific and reasonable, convenience safe in utilization.

In the present embodiment, the model of the uv disinfection lamp 134 adopts GS-801B, and the structural features, the operation principle and the specific circuit structure electrically connected to the outside are all the prior art, and will not be described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biohazard safety equipment that leakproofness is good, includes equipment bearing support (1), its characterized in that: a biological safety cabinet body (4) is fixedly arranged on the top end surface of the equipment bearing bracket (1), the top of the front surface of the biological safety cabinet body (4) is an inclined surface, a window mounting frame (6) with a rectangular structure is embedded in the inclined surface, a window (7) which is matched with the window is fixedly arranged in the window mounting frame (6), an operation assembly (8) is fixedly arranged at the bottom of the window (7), an air inlet processing assembly (9) and an air outlet pipe (10) are symmetrically and respectively arranged on the top end surface of the biological safety cabinet body (4), an operating switch (11) is fixedly arranged at the bottom of the front surface of the biological safety cabinet body (4), an operation table (12) is fixedly arranged at the bottom end inside the biological safety cabinet body (4), a disinfection component (13) is fixedly arranged at the top end of the top of the biological safety cabinet body (4) and between the air inlet treatment component (9) and the air outlet pipe (10);

the air inlet processing assembly (9) comprises an air inlet pipe (91) communicated with the interior of the biological safety cabinet body (4), a flow guide cylinder body (92) is fixedly connected above the air inlet pipe (91) in series, a plurality of cambered plates (93) are fixedly installed on the side wall of the flow guide cylinder body (92), and a dust removal net (94) is fixedly connected to the end face, adjacent to the interior of the flow guide cylinder body (92), of each cambered plate (93);

disinfection subassembly (13) are including installation frame (131) on the inside top of the biological safety cabinet body (4) of fixed mounting, multiunit lamp stand (132) are installed on the inside top of installation frame (131), and fixed mounting has lamp shade (133) between per two lamp stands (132), the internally mounted of lamp shade (133) has an ultraviolet ray disinfection lamp (134).

2. The biosafety cabinet with good sealing performance according to claim 1, wherein: the bottom terminal surface that equipment bore support (1) is fixed mounting respectively has four to support footing (2) and universal gyro wheel (3), four support footing (2) all are located the inboard of four universal gyro wheels (3), four support footing (2) and four universal gyro wheels (3) all are four-point distribution of rectangle structure at the bottom terminal surface that equipment bore support (1).

3. The biosafety cabinet with good sealing performance according to claim 1, wherein: one side end face of the biological safety cabinet body (4) is rotatably connected with a sealing door (5) through a hinge, visual glass is installed in the sealing door (5) in an embedded mode, and a sealing gasket made of rubber is arranged on the edge of the sealing door (5) and the part where the biological safety cabinet body (4) is connected.

4. The biosafety cabinet with good sealing performance according to claim 1, wherein: operation subassembly (8) are including fixed ring (81) of fixed mounting on window (7), fixed ring (81) are towards terminal surface fixedly connected with operation gloves (82) of biological safety cabinet body (4) inside, fixed ring (81) and operation gloves (82) formula structure as an organic whole, the finger tip of operation gloves (82) is located the inside of biological safety cabinet body (4).

5. The biosafety cabinet with good sealing performance according to claim 1, wherein: the inner wall of the end face of the other side of the biological safety cabinet body (4) is fixedly provided with a pressure sensor (14), and the inner wall of the end face of the other side of the biological safety cabinet body (4) is fixedly provided with a temperature sensor (15) at the position below the pressure sensor (14).

6. The biosafety cabinet with good sealing performance according to claim 1, wherein: the air inlet pipe (91) and the flow guide cylinder body (92) are in a communicated structure, and a detachable connecting structure is formed between the air inlet pipe (91) and the flow guide cylinder body (92) through a flange plate (95).

7. The biosafety cabinet with good sealing performance according to claim 1, wherein: the height of the top end face of the operating platform (12) is the same as that of the bottom end of the inclined plane of the biological safety cabinet body (4), and the operating platform (12) is a component made of 304 stainless steel.

8. The biosafety cabinet with good sealing performance according to claim 1, wherein: the number of the operation components (8) is provided with two groups, and the two groups of operation components (8) respectively correspond to the left arm and the right arm of an operator.