CN219377178U

CN219377178U - Easily wash biological safety cabinet

Info

Publication number: CN219377178U
Application number: CN202320355236.1U
Authority: CN
Inventors: 刘立霞
Original assignee: Langfang Luoqi Medical Laboratory Co ltd
Current assignee: Langfang Luoqi Medical Laboratory Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-21
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses an easy-to-clean biosafety cabinet, which comprises a biosafety cabinet, a workbench opening, supporting legs, an air filter unit, connecting pipes, a control groove, a cleaning supporting block, a placement groove, a cleaning cotton pad, a support, a rotation adjusting mechanism, a transverse moving adjusting mechanism and a lifting adjusting mechanism, wherein a sterilizing mechanism is arranged in the cleaning supporting block, the bottom end of the inside of the control groove is fixedly connected with frame-shaped sealing pads, sealing top plates are hinged to two sides of the top end of the inside of the workbench opening, limiting electric push rods matched with the sealing top plates are fixedly inserted into the upper ends of the inner side walls of the two side walls of the workbench opening, a guide hole structure is formed in the lower end of the front wall of the control groove, and cover plates matched with the guide hole structure of the control groove are hinged to two sides of the front end of the biosafety cabinet. Compared with the prior art, the utility model has the advantages that: reducing the influence of vibration conduction on the air filtering system during operation; the cleaning effect is improved, and the pollution influence is reduced.

Description

Easily wash biological safety cabinet

Technical Field

The utility model relates to the technical field of biosafety cabinets, in particular to an easily-cleaned biosafety cabinet.

Background

The biological safety cabinet is a box-type air purification negative pressure safety device capable of preventing aerosol from escaping from some dangerous or unknown biological particles in the experimental operation treatment process. The biological safety cabinet is widely applied to scientific research, teaching, clinical examination and production in fields of microbiology, biomedicine, genetic engineering, biological products and the like, is the most basic safety protection equipment in a first-level protection barrier in laboratory biosafety, and needs to be strictly cleaned and disinfected before and after the use of the biosafety cabinet. The utility model discloses an easy abluent safety cabinet of publication number CN207694823U, the jack top is provided with a plurality of shower nozzles, branch tip symmetry is connected with the brush-holder stud, the brush-holder stud passes safety cabinet body top and extends to the safety cabinet internally, the brush-holder stud lower extreme is provided with the brush head that contradicts with the inside safety cabinet body; the bottom wall of the accommodating box and the top wall of the safety cabinet body are respectively provided with a through hole which is movably sealed with the brush rod, so that the cleaning can be performed without taking out a glass slide, the cleaning is simple and convenient, and the overflow of the infectious aerosol can be prevented; the inner wall of the safety cabinet body can be cleaned, and the cleaning effect is good; can detect the overflow of the dyeable aerosol and automatically alarm, remind staff, further improve the security. However, the prior art still has the defects that:

1. the prior art can effectively realize the cleaning function of the inside of the biosafety cabinet, but the control component of the brush rod and the brush head top of the biosafety cabinet is arranged at the top of the biosafety cabinet, and the top of the biosafety cabinet is provided with an air filtering system which is the basis for ensuring the safety of the biosafety cabinet and cannot be interfered by other components, and the telescopic mechanism and the connecting rod in the prior art can all influence the normal operation of the air filtering system.

2. Because the cleaning and disinfection requirements of the biosafety cabinet are strict, strict cleaning steps need to be executed, the prior art simply relies on the brush head to clean the inside of the biosafety cabinet, and the brush head cannot be directly detached and replaced after cleaning, and still is stored in the biosafety cabinet, so that the biosafety cabinet cannot play an effective cleaning role, and the pollution of the biosafety cabinet also can interfere with the subsequent biosafety experiment safety, so that the normal use of the biosafety cabinet is influenced.

Disclosure of Invention

The utility model aims to overcome the defects and provide the easy-to-clean biosafety cabinet.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an easy washs biological safety cabinet, includes biological safety cabinet, the forward workstation mouth of opening has been seted up to biological safety cabinet inside lower extreme, all fixedly connected with landing leg around the outside bottom both sides of biological safety cabinet, biological safety cabinet top center department is fixed to peg graft there is the air filter unit with workstation mouth intercommunication, air filter unit top both sides fixedly connected with connecting pipe, the control tank with workstation mouth intercommunication has all been seted up to biological safety cabinet upper end both sides, the inside lower extreme of control tank is provided with triangle-shaped washs the piece, the mounting groove has all been seted up on the three face of washs the piece, the inside joint of mounting groove has the clearance cotton pad, the inside support that is provided with of control tank, the inside rotation adjustment mechanism that is provided with of cooperation support used of washs piece rear end, the inside top of control tank is provided with the sideslip adjustment mechanism that cooperates the support to use, one side that the air filter unit was kept away from to the control tank is provided with the lift adjustment mechanism that cooperation adjustment mechanism used, the inside control tank that is provided with of washs piece, the inside control tank bottom fixed connection has a triangular cleaning support piece, the mounting groove has the mounting groove, the inside seal groove has the sealed guide hole of top plate, the inside sealing structure has the sealed roof of top of the sealed top plate, the top of the top has the sealed top of the top plate has the sealed top of the control tank.

As an improvement, rotation adjustment mechanism includes the lower gear of fixed connection in wasing a piece rear end center department, lower gear rear end and support rotation are connected, lower gear upper end meshing is connected with drive gear, drive gear upper end meshing is connected with the gear, drive gear and last gear rear end and support rotation are connected, it is provided with the steering wheel rather than being connected to go up the gear front end, steering wheel front end fixedly connected with L shape's fixed bolster, fixed bolster top rear side and support fixed connection.

As an improvement, sideslip adjustment mechanism is including setting up in the branch piece of the inside top both sides of control tank, the position between the branch piece is provided with lead screw and guide arm respectively from top to bottom, the lead screw rotates with the branch piece to be connected, the lead screw passes through threaded structure with the support top and is connected, the guide arm is pegged graft on the support top, one side the inside fixedly connected with of branch piece is with the internal motor that the lead screw is connected.

As an improvement, lifting adjustment mechanism is including setting up the lift groove on the lateral wall that keeps away from each other in the control groove, the inside upper end grafting of lift groove has the lift to prop up the piece, lift is propped up piece one end and is propped up piece fixed connection, the inside rotation of lift groove is connected with the side lead screw, the side lead screw upper end is propped up and is connected through threaded structure between the piece with the lift.

As an improvement, the disinfection mechanism comprises a disinfection solution storage cavity formed in the cleaning support block, an atomization nozzle is fixedly inserted into one end of the cleaning support block, which is close to the air filter unit, a pressure supply device connected with the atomization nozzle is fixedly connected with one end of the interior of the disinfection solution storage cavity, a guide pipe communicated with the disinfection solution storage cavity is fixedly inserted into the center of the front wall of the cleaning support block, and a sealing cover is in threaded connection with the front end of the guide pipe.

Compared with the prior art, the utility model has the advantages that: 1. according to the utility model, the air filtering system with a larger volume is arranged at the middle position of the upper end inside the biosafety cabinet, the cleaning components are arranged at the two side positions of the biosafety cabinet and are not communicated with the biosafety cabinet, all the electric control components are far away from the air filtering system, the influence of vibration conduction on the air filtering system during operation is reduced, and the normal operation of the biosafety cabinet is ensured.

2. The cleaning support blocks with triangular sections are arranged, the cleaning cotton pads are arranged on three sides of each cleaning support block, different cleaning cotton pads can absorb highly concentrated soapy water, absorb clean water and dry cotton pads, the inner wall of the biosafety cabinet is cleaned according to the sequence, the whole cleaning cotton pad is detachable and replaceable, pollution caused when the biosafety cabinet is cleaned is avoided, and meanwhile, the whole cleaning cotton pad can be stored in the control groove for sealing, so that normal use of the biosafety cabinet is not affected.

Drawings

FIG. 1 is a schematic diagram of an easy-to-clean biosafety cabinet according to the utility model.

Fig. 2 is a perspective cross-sectional view of an easy-to-clean biosafety cabinet of the utility model.

FIG. 3 is a schematic side cross-sectional view of a rotary adjustment mechanism for an easy-to-clean biosafety cabinet of the utility model.

Fig. 4 is an exterior perspective view of an easy-to-clean biosafety cabinet of the utility model.

As shown in the figure: 1. a biosafety cabinet; 2. a workbench opening; 3. a support leg; 4. an air filter unit; 5. a connecting pipe; 6. a control groove; 7. cleaning the support blocks; 8. a placement groove; 9. cleaning cotton pads; 10. a bracket; 11. a rotation adjustment mechanism; 11.1, lower gears; 11.2, a transmission gear; 11.3, upper gear; 11.4, steering engine; 11.5, fixing the bracket; 12. a lateral movement adjusting mechanism; 12.1, supporting blocks; 12.2, a screw rod; 12.3, a guide rod; 12.4, an internal motor; 13. a lifting adjusting mechanism; 13.1, lifting groove; 13.2, lifting the supporting block; 13.3, a lateral screw rod; 14. a sterilizing mechanism; 14.1, a disinfectant storage cavity; 14.2, atomizing nozzle; 14.3, a pressure supplier; 14.4, catheters; 14.5, sealing the cover; 15. a sealing gasket; 16. sealing the top plate; 17. limiting the electric push rod; 18. and a cover plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In the embodiment 1, in order to ensure that the air filter unit 4 is not interfered, the air filter unit 4 is fixedly arranged at the center of the upper end of the biosafety cabinet 1, rubber protection pads can be added at two sides of the air filter unit, the influence caused by equipment vibration is reduced, connecting pipes 5 are fixedly arranged at two sides of the top of the biosafety cabinet, the biosafety cabinet is mainly divided into an air inlet pipe connecting port and an air outlet pipe connecting port, the biosafety cabinet is convenient to externally connect a pipeline, and the bottom of the biosafety cabinet is communicated with a workbench port 2 arranged at the lower side of the biosafety cabinet 1, so that the normal working capacity of the biosafety cabinet 1 is realized.

In order to realize an effective cleaning and sterilizing function and avoid reducing the influence and pollution of a cleaning component on a biosafety cabinet 1, the utility model is characterized in that two sides of the upper end of the biosafety cabinet 1 are provided with control grooves 6 communicated with a workbench opening 2, the lower ends of the inner parts of the control grooves 6 are provided with cleaning support blocks 7 with triangular cross sections, three sides of each cleaning support block 7 are provided with a mounting groove 8, the inside of each mounting groove 8 can be clamped with a cleaning cotton pad 9, three cleaning cotton pads 9 can be simultaneously arranged, the three cleaning cotton pads 9 respectively realize the capability of high concentration soapy water, hot water and drying, then the cleaning function on the inner wall of the biosafety cabinet 1 is sequentially realized through the rotation switching of the cleaning support blocks 7, the cleaning effect is improved, in order to realize the rotatability, a bracket 10 is arranged in the control groove 6, the rear end of the cleaning support blocks 7 is fixedly connected with a lower gear 11.1, the lower gear 11.1 is in rotary connection with the bracket 10, the lower gear 11.1 plays a role in supporting and controlling the cleaning support block 7, the upper end of the lower gear 11.1 is provided with a mutually meshed transmission gear 11.2 and an upper gear 11.3, and the steering engine is sequentially arranged on the upper end of the lower gear 11.1, and the steering engine is further controlled by means of the rotation 11.4.

In addition, the disinfection solution storage cavity 14.1 is arranged in the cleaning support block 7, the atomizing nozzle 14.2 connected with the disinfection solution storage cavity 14.1 is fixedly connected to one end of the cleaning support block 7 in a plug-in mode, the pressure feeder 14.3 is fixedly arranged in the disinfection solution storage cavity 14.1 to achieve the function of enabling disinfection solution to enter the atomizing nozzle 14.2, the principle of the disinfection solution storage cavity is similar to a water pump structure, meanwhile, the guide pipe 14.4 is fixedly connected to the front end of the cleaning support block 7 in a plug-in mode and communicated with the disinfection solution storage cavity 14.1, later addition of disinfection solution is facilitated, and sealing is conducted through the sealing cover 14.5 arranged at the front end.

Embodiment 2, an easy washs biological safety cabinet, on embodiment 1's basis, need guarantee to wash supporting shoe 7 and reciprocate and realize cleaning function and can fall back to the inside influence that reduces the operation to biological safety cabinet 1 of control slot 6, set up supporting shoe 12.1 in the inside both sides of control slot 6, and rotate between supporting shoe 12.1 and set up lead screw 12.2 and fixed guide arm 12.3 that sets up, guide arm 12.3 runs through support 10 upper end and plays the guiding restriction effect, lead screw 12.2 plays transverse driving control effect with support 10 threaded connection, it is more convenient to control it at the inside internal motor 12.4 that sets up of supporting shoe 12.1, can let wash supporting shoe 7 lateral movement one end distance, make things convenient for its rotation regulation.

In order to achieve lifting effect, a lifting groove 13.1 is formed in a side wall, which is far away from each other, of a control groove 6, a side screw rod 13.3 is rotatably connected and arranged in the lifting groove 13.1, a lifting support block 13.2 is arranged at the upper end in the lifting groove 13.1, the side screw rod 13.3 is connected with a threaded structure of the lifting support block 13.2, the lifting support block 13.2 moves up and down through rotation of the side screw rod 13.3 so as to drive a support 10 and a cleaning support block 7 to move up and down, a driving motor can be added to drive the side screw rod 13.3 when the cleaning support block is particularly used, so that the control function of the cleaning support block 7 is completed.

In order to ensure the sealing effect of the control groove 6, the sealing top plate 16 is hinged at two ends of the inside of the workbench opening 2 for sealing, meanwhile, the sealing gasket 15 is arranged at the inner section of the control groove 6 for enhancing the sealing performance, and in order to ensure the sealing effect of the sealing top plate 16, the limiting electric push rods 17 are arranged at the upper ends of two side walls of the workbench opening 2, the principle is similar to that of an electric push rod, the bottom of the sealing top plate 16 is supported and fixed by utilizing a pushed rod structure, and sealing stability is ensured.

In the concrete implementation, as shown in fig. 1-4, when the biological safety cabinet is used, before and after the biological safety cabinet works, the sealing of the control groove 6 by the limiting electric push rod 17 is released, the control side screw rod 13.3 operates to control the cleaning support block 7 to move downwards until the cleaning support block moves into the workbench opening 2, the internal motor 12.4 operates to control the transverse movement of the cleaning support block, the cleaning cotton pad 9 with concentrated soapy water initially contacts the inner wall of the biological safety cabinet 1, then controls the cleaning support block to move up and down for one time, then transversely controls the cleaning support block 7 to move, the steering engine 11.4 is started to control the cleaning support block 7 to switch the cleaning cotton pad 9 to be provided with hot water, then the operation is repeated, finally the operation is switched to the dry cleaning cotton pad 9 to finish the final cleaning, then an atomization nozzle in the disinfection liquid storage cavity 14.1 is started, the disinfection liquid is sprayed to the inner wall to perform the disinfection treatment, the cleaning support block 7 is controlled to move up into the control groove 6, the sealing top plate 16 is plugged again, the whole cleaning process is finished, the cotton pad 9 can be opened through the outside, the cleaning cover plate 18 is replaced, the cleaning cotton pad 9 is controlled to be strictly controlled to be in the inner part, and the whole disinfection process is performed, and the disinfection process is finished.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides an easy washs biological safety cabinet, includes biological safety cabinet (1), its characterized in that: the utility model discloses a biological safety cabinet, including biological safety cabinet (1), including biological safety cabinet (1), support leg (3) are all fixedly connected with around the inside lower extreme of opening, biological safety cabinet (1) outside bottom both sides are all fixedly connected with landing leg (3), biological safety cabinet (1) top center department is fixed grafting has air filter unit (4) with workstation mouth (2) intercommunication, air filter unit (4) top both sides fixedly connected with connecting pipe (5), control groove (6) with workstation mouth (2) intercommunication are all seted up on the both sides of biological safety cabinet (1) upper end, control groove (6) inside lower extreme is provided with triangle-shaped's wash supporting piece (7), wash supporting piece (7) all offer on the trilateral spread groove (8), inside joint of positioning groove (8) has clearance cotton pad (9), control groove (6) inside is provided with L shape's support (10), wash supporting piece (7) rear end is provided with rotation adjustment mechanism (11) that cooperate support (10) use, control groove (6) inside top is provided with control groove (6) and uses control groove (6) to make lateral movement adjustment mechanism (12), lateral movement adjustment mechanism (14) are kept away from to use in the side of the filter unit (14), the sealing gasket is characterized in that the frame-shaped sealing gasket (15) is fixedly connected to the bottom end inside the control groove (6), sealing top plates (16) are hinged to two sides of the top end inside the workbench opening (2), a limiting electric push rod (17) matched with the sealing top plates (16) is fixedly inserted into the upper ends inside two side walls of the workbench opening (2), a guide hole structure is formed in the lower end of the front wall of the control groove (6), and cover plates (18) matched with the guide hole structure of the control groove (6) are hinged to two sides of the front end of the biosafety cabinet (1).

2. An easy-to-clean biosafety cabinet according to claim 1, wherein: the utility model provides a rotary adjusting mechanism (11) is including fixed connection in lower gear (11.1) of wasing a piece (7) rear end center department, lower gear (11.1) rear end and support (10) rotate to be connected, lower gear (11.1) upper end meshing is connected with drive gear (11.2), drive gear (11.2) upper end meshing is connected with gear (11.3), drive gear (11.2) and last gear (11.3) rear end and support (10) rotate to be connected, last gear (11.3) front end is provided with steering wheel (11.4) rather than being connected, steering wheel (11.4) front end fixedly connected with L shape fixed bolster (11.5), fixed bolster (11.5) top rear side and support (10) fixed connection.

3. An easy-to-clean biosafety cabinet according to claim 1, wherein: sideslip adjustment mechanism (12) are including setting up in the branch piece (12.1) of the inside top both sides of control slot (6), the position between branch piece (12.1) is provided with lead screw (12.2) and guide arm (12.3) respectively about, lead screw (12.2) are connected with branch piece (12.1) rotation, lead screw (12.2) are connected through screw structure with support (10) top, guide arm (12.3) are pegged graft in support (10) top, one side branch piece (12.1) inside fixedly connected with is connected with interior motor (12.4) with lead screw (12.2).

4. A washable biosafety cabinet according to claim 3, wherein: lifting adjustment mechanism (13) are including seting up in control groove (6) each other keep away from lift groove (13.1) on a lateral wall, it has lift branch piece (13.2) to peg graft in the inside upper end of lift groove (13.1), lift branch piece (13.2) one end and branch piece (12.1) fixed connection, the inside rotation of lift groove (13.1) is connected with side lead screw (13.3), pass through threaded structure connection between side lead screw (13.3) upper end and lift branch piece (13.2).

5. An easy-to-clean biosafety cabinet according to claim 1, wherein: the disinfection mechanism (14) comprises a disinfection solution storage cavity (14.1) formed in the cleaning support block (7), an atomization nozzle (14.2) is fixedly inserted into one end, close to the air filter unit (4), of the cleaning support block (7), a pressure feeder (14.3) connected with the atomization nozzle (14.2) is fixedly connected to one end, inside the disinfection solution storage cavity (14.1), a guide pipe (14.4) communicated with the disinfection solution storage cavity (14.1) is fixedly inserted into the center of the front wall of the cleaning support block (7), and a sealing cover (14.5) is connected to the front end of the guide pipe (14.4) in a threaded mode.