CN218742034U

CN218742034U - Biological safety cabinet convenient to it is clean

Info

Publication number: CN218742034U
Application number: CN202222991541.8U
Authority: CN
Inventors: 张晓燕; 丁相卿
Original assignee: Shanghai Sinobay Bio Tech Co ltd
Current assignee: Shanghai Sinobay Bio Tech Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-28
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a biological safety cabinet convenient to it is clean relates to biological safety cabinet technical field, including the biological safety cabinet body and set up in the internal portion of biological safety cabinet operation platform, the outside transmission of reciprocal lead screw is connected with the butt in the screw-nut of the internal lateral wall of biological safety cabinet, and the internal lateral wall fixed mounting of the biological safety cabinet body has the fixed rack with gear engagement, and the filter screen is installed along the horizontal direction in the inside of the dirty box of collection. The utility model discloses a reciprocal lead screw, the drive wheel, driving belt, screw-nut, the round brush, the cooperation setting of gear and fixed rack, improvement that can be very big to the clean effect of operation platform upper surface and, guarantee clean quality, through the cooperation setting of the dirty box of collection, filter screen, guide arm, closing plate, sealing ring and pin, can filter the washing water in clear while, prevent that impurity from falling on the interior diapire in water storage chamber, improve this biosafety cabinet's ease for use and practicality.

Description

Biological safety cabinet convenient to it is clean

Technical Field

The utility model relates to a biological safety cabinet technical field specifically is a biological safety cabinet convenient to it is clean.

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 screen 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 most basic safety protective equipment in the primary protective screen in the biological safety of laboratories.

The biosafety cabinet convenient to clean disclosed in prior art CN 212417976U, including the cabinet body and commentaries on classics board, the sleeve inboard all is equipped with gloves, and be equipped with the zip fastener between sleeve and the gloves, the zip fastener comprises chain belt and pull head, and the chain belt of zip fastener is two and scarf joint in the close end of sleeve and gloves respectively, the glove dismouting of being convenient for, guarantee the connectivity between gloves and the sleeve, prevent that the experimenter from breaking away from the hand when carrying out the operation gloves, wash the chamber bottom and install electric telescopic handle adjacent to water storage chamber position fixed mounting, and wash intracavity wall front end and install the controller through the bolt, cabinet body rear end just is located and washs the positive rear end in chamber and installs the water pump, although the utility model does not need artifical manual to clean the commentaries on classics board, when just doing benefit to experimenter work, keep the cleanness of operating environment in the cabinet body, but the utility model only relies on the mode of rivers washing and carry out self-cleaning, although can carry out certain cleanness, but cleaning effect is limited, just hardly wash the spot on the operating platform, the clean ability has a space in addition, and the sewage that the sewage after this utility model washed is directly discharged is relatively more troublesome in the water storage cavity, the adhesion, the practicality of adhering to be relatively.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a biosafety cabinet convenient to it is clean has solved the problem of proposing among the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a biosafety cabinet convenient to clean comprises a biosafety cabinet body and an operation platform arranged inside the biosafety cabinet body, wherein reciprocating screw rods extending to the rear part are longitudinally and rotatably arranged on two inner side walls of the biosafety cabinet body, a driving wheel is fixedly arranged on the rear part of each reciprocating screw rod, a driving belt is connected to the external part of each driving wheel in a driving way, screw nuts abutted to the inner side walls of the biosafety cabinet body are connected to the external part of each reciprocating screw rod in a driving way, a rolling brush is transversely and rotatably arranged between the two screw nuts, a gear is fixedly arranged on one side of each rolling brush, and a fixed rack meshed with the gear is fixedly arranged on the inner side wall of the biosafety cabinet body;

the inner diapire rear portion of the biological safety cabinet body is provided with the water storage chamber, the dirty box of collection that is the level setting is installed along longitudinal sliding in the inside in water storage chamber, and the equal fixed mounting in two inside walls in water storage chamber has the butt in the guide arm of the dirty box lower surface both sides of collection, the filter screen is installed along the horizontal direction in the inside of the dirty box of collection, and the back fixed mounting of the dirty box of collection has the closing plate of pegging graft in the biological safety cabinet is internal, the sealing ring at the dirty box rear portion of collection is installed in the front of closing plate, and the back lower part of the biological safety cabinet body rotates and installs the pin of butt in the closing plate back.

Optionally, the reciprocating screw rod is arranged in an inclined manner, and a servo motor with an output end fixed with the rear end of the reciprocating screw rod is fixedly installed at the rear side of the biological safety cabinet body.

Optionally, the round brush is located the inside rear of biological safety cabinet body, and fixed rack is located reciprocal lead screw under, and both are parallel.

Optionally, the internal bottom wall front portion of the biological safety cabinet body has first electric telescopic handle and second electric telescopic handle from the front to the back fixed mounting in proper order, and the internal bottom wall front portion of the biological safety cabinet body is and inclines the setting backward, first electric telescopic handle's flexible end has the crane along horizontal fixed mounting, operation platform's front portion is rotated through pivot and crane and is connected, second electric telescopic handle's flexible end is rotated and is installed the top wheel of butt in the operation platform lower surface, the internal fixed surface of the biological safety cabinet body installs the dog of butt in operation platform upper surface rear portion.

Optionally, the rear portion of the biological safety cabinet body is sequentially fixedly provided with a heater and a water pump from top to bottom, the heater is located above the operating platform, the water pump is located below the operating platform, and the front surface of the water pump is provided with a water outlet nozzle.

Optionally, a closed window is installed on the front face of the biological safety cabinet body, and supporting legs are arranged at four corners of the lower portion of the biological safety cabinet body.

Optionally, the lower part of the water storage cavity is of an inverted square frustum shape, and a drain pipe extending to the outside is fixedly inserted in the middle of the lower part of the water storage cavity.

Optionally, the dirt collecting box is hollow and is vertically communicated, the sealing ring abuts against the space between the biological safety cabinet body and the sealing plate, and a handle is arranged in the middle of the back of the sealing plate.

Advantageous effects

The utility model provides a biosafety cabinet convenient to it is clean possesses following beneficial effect:

1. according to the biosafety cabinet convenient to clean, the reciprocating screw rod, the transmission wheel, the transmission belt, the screw rod nut, the rolling brush, the gear and the fixed rack are arranged in a matched mode, the upper surface of the operation platform can be cleaned in a reciprocating mode, water flow sprayed by the water feeding pump is matched, impurities falling on the upper surface of the operation platform can be removed, the impurities adhered to the upper surface can be cleaned, the cleaning effect on the upper surface of the operation platform can be greatly improved, the cleaning quality is guaranteed, and the automatic cleaning capability of the cleaning mechanism is further improved;

2. this biosafety cabinet convenient to it is clean, through the dirty box of collection, the filter screen, the guide arm, the closing plate, sealing ring and pin's cooperation setting, this mechanism can filter the washing water in the cleanness, prevent that impurity from dropping on the interior diapire in water storage chamber to can prevent effectively that impurity from piling up the adhesion at the interior diapire in water storage chamber, but also very convenient derive the impurity under filtering, can improve this biosafety cabinet's ease for a certain extent and practicality.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic view of the rear perspective structure of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic top sectional view of the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2;

fig. 7 is a schematic view of the side-view three-dimensional structure of the sewage collecting box of the present invention.

In the figure: 1. supporting legs; 2. a biological safety cabinet body; 3. an operating platform; 4. a stopper; 5. closing the window; 6. a drain pipe; 7. a drive belt; 8. a handle; 9. a sealing plate; 10. a servo motor; 11. a heater; 12. a water pump; 13. a reciprocating screw rod; 14. a driving wheel; 15. a water storage cavity; 16. a dirt collecting box; 17. a filter screen; 18. fixing a rack; 19. a top wheel; 20. a lifting frame; 21. a first electric telescopic rod; 22. a second electric telescopic rod; 23. rolling and brushing; 24. a gear; 25. a feed screw nut; 26. a stop lever; 27. a seal ring; 28. a guide 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.

Example 1

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a biosafety cabinet convenient to it is clean, including the biosafety cabinet body 2 and set up in the inside operation platform 3 of the biosafety cabinet body 2, two inside walls of the biosafety cabinet body 2 are installed along longitudinal rotation and are extended to the reciprocal lead screw 13 at rear portion, reciprocal lead screw 13 is the slope setting, and the rear side fixed mounting of the biosafety cabinet body 2 has output and the fixed servo motor 10 of rear end of reciprocal lead screw 13, the equal fixed mounting in rear portion of reciprocal lead screw 13 has drive wheel 14, the external transmission of drive wheel 14 is connected with driving belt 7, the external transmission of reciprocal lead screw 13 is connected with the screw-nut 25 of butt in the biosafety cabinet body 2 inside wall, install round brush 23 along the horizontal rotation between two screw-nut 25, round brush 23 is located the inside rear of the biosafety cabinet body 2, fixed rack 18 is located under reciprocal lead screw 13, and both are parallel, one side fixed mounting of round brush 23 has gear 24, and the fixed rack 18 with gear 24 meshing with the inside wall fixed rack of gear 24 fixed mounting of the biosafety cabinet body 2, and the interior bottom wall front portion of the biosafety cabinet body 2 is fixed mounting has first electronic electric lifting rack 21 and the telescopic link that the telescopic link 20 is connected in the operation platform 20 of the telescopic link that the telescopic link is installed along the horizontal rotation of the top surface of the flexible platform 20 of the flexible platform that the flexible platform 3 is connected with the telescopic link that the front portion of the top surface of the telescopic handle 20.

When the multifunctional cleaning machine is used, the operation platform 3 is used for placing bearing experiments or inspection objects, when the upper surface of the operation platform needs to be cleaned, the operation platform 3 is driven to descend by controlling the telescopic ends of the first electric telescopic rod 21 and the second electric telescopic rod 22 to simultaneously contract and descend, then the first electric telescopic rod 21 is stopped, the telescopic end of the second electric telescopic rod 22 continues to contract and descend, so that the operation platform 3 rotates downwards by a certain angle around the rotating shaft on the lifting frame 20, the rear part of the operation platform 3 rotates downwards into the water storage cavity 15 until the operation platform 3 is parallel to the fixed rack 18 and the upper surfaces of the two parts are the same in height, then the output end of the servo motor 10 is controlled to rotate for a certain number of turns, and one of the reciprocating screw rods 13 can be driven to rotate in the process, reciprocating screw 13 drives another reciprocating screw 13 to rotate synchronously through driving wheel 14 and driving belt 7, so reciprocating screw 13 of both sides can drive middle round brush 23 to slide forward to the upper surface of operation platform 3 through screw nuts 25 of both sides, and accessible gear 24 drives round brush 23 and also can the rotation while sliding forward under the effect of fixed rack 18, thereby reciprocal cleaning is carried out to the upper surface of operation platform 3, cooperate the water pump 12 again and pass through the rivers of water-out shower nozzle to the upper surface spun of operation platform 3, not only can clear away the impurity that falls on the upper surface of operation platform 3, still can clear up the impurity of adhesion at the upper surface, can very big improvement to the clean effect of operation platform 3 upper surface and, guarantee cleaning quality, further improve the self-cleaning ability of cleaning mechanism.

Example 2

Referring to fig. 2, fig. 3, fig. 6 and fig. 7, the present invention provides a technical solution: the utility model provides a biosafety cabinet convenient to it is clean, the rear portion of the biosafety cabinet body 2 is from last to having heater 11 and water pump 12 down fixed mounting in proper order, and heater 11 is located operation platform 3's top, water pump 12 is located operation platform 3's below, and the front of water pump 12 installs the water spray nozzle, closed window 5 is installed in the front of the biosafety cabinet body 2, and the lower part four corners department of the biosafety cabinet body 2 all is provided with supporting leg 1, the inner bottom wall rear portion of the biosafety cabinet body 2 is provided with water storage cavity 15, the lower part of water storage cavity 15 is the type of four arriss, and the middle part grafting of water storage cavity 15 lower part is fixed with the drain pipe 6 that extends to the outside, the dirty box 16 that is the level setting is installed along longitudinal sliding in the inside of water storage cavity 15, and both equal fixed mounting of inside lateral walls of water storage cavity 15 has the butt in the guide arm 28 of dirty box 16 lower surface both sides that collects, the inside of dirty box 16 installs filter screen 17 along the horizontal direction, and the back fixed mounting of dirty box 16 has the closing plate 9 that pegs graft in the biological safety cabinet body 2, and the handle that the dirty box 9 of the safety cabinet body is installed in the inside of the butt sealing plate 2, and the dirty box sealing ring 27 that the handle that the safety cabinet body is provided with the handle that the butt is run through in the back of the safety cabinet body 2, the dirty box that the safety cabinet body 9, the back of the safety cabinet body is the butt is the sealing plate 9, the back of the biological sealing plate 9 is the back of the biological safety cabinet body is provided with the sealing ring 27.

When the biological safety cabinet is used, cleaned water flow is collected into the water storage cavity 15 and can be filtered through the filter screen 17 in the sewage collection box 16 and then is discharged through the drain pipe 6 at the lower part, the residual impurity stains after filtering are left in the sewage collection box 16, then the baffle rod 26 is screwed to separate the baffle plate 9, then the sewage collection box 16 and the filter screen 17 can be drawn out from the biological safety cabinet body 2 by pulling the handle 8 and the inner stains are poured out, wherein the guide rod 28 plays a role in supporting and guiding the sewage collection box 16, the sealing ring 27 can ensure the sealing performance after the sealing plate 9 and the sewage collection box 16 are installed, the mechanism can filter flushing water while cleaning, and prevent impurities from falling on the inner bottom wall of the water storage cavity 15, so that the impurities can be effectively prevented from being accumulated and adhered on the inner bottom wall of the water storage cavity 15, the filtered impurities can be conveniently led out, and the usability and the practicability of the biological safety cabinet can be improved to a certain degree.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a biosafety cabinet convenient to it is clean, includes the biosafety cabinet body and sets up in the operation platform of the internal portion of biosafety cabinet, its characterized in that: reciprocating screw rods extending to the rear part of the two inner side walls of the biological safety cabinet body are longitudinally and rotatably installed, a driving wheel is fixedly installed at the rear part of each reciprocating screw rod, a driving belt is connected to the outside of each driving wheel in a driving manner, screw nuts abutted against the inner side walls of the biological safety cabinet body are connected to the outside of each reciprocating screw rod in a driving manner, a rolling brush is transversely and rotatably installed between the two screw nuts, a gear is fixedly installed on one side of the rolling brush, and a fixed rack meshed with the gear is fixedly installed on the inner side walls of the biological safety cabinet body;

the inner bottom wall rear portion of the biological safety cabinet body is provided with the water storage chamber, the dirty box of collection that is the level setting is installed along longitudinal sliding in the inside in water storage chamber, and the equal fixed mounting of two inside walls in water storage chamber has the butt in the guide arm of the dirty box lower surface both sides of collection, the filter screen is installed along the horizontal direction in the inside of the dirty box of collection, and the back fixed mounting of the dirty box of collection has the closing plate of pegging graft in the biological safety cabinet body, the sealing ring at the dirty box rear portion of collection is installed in the front of closing plate, and the back lower part of the biological safety cabinet body rotates and installs the pin of butt in the closing plate back.

2. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: reciprocating screw rod is the slope setting, and the rear side fixed mounting of the biological safety cabinet body has the output and the fixed servo motor in rear end of reciprocating screw rod.

3. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the round brush is located the inside rear of biological safety cabinet body, and fixed rack is located reciprocal lead screw under, and both are parallel.

4. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the internal bottom wall front portion of the biological safety cabinet body has first electric telescopic handle and second electric telescopic handle from the front to the back fixed mounting in proper order, and the internal bottom wall front portion of the biological safety cabinet body is and inclines the setting backward, first electric telescopic handle's flexible end has the crane along horizontal fixed mounting, operation platform's front portion is rotated through pivot and crane and is connected, second electric telescopic handle's flexible end is rotated and is installed the top wheel of butt in the operation platform lower surface, the internal fixed surface of the biological safety cabinet body installs the dog of butt in operation platform upper surface rear portion.

5. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the rear portion of the biological safety cabinet body is provided with a heater and a water pump from top to bottom in sequence, the heater is located above the operating platform, the water pump is located below the operating platform, and the front of the water pump is provided with a water outlet nozzle.

6. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the front of the biological safety cabinet body is provided with a closed window, and the four corners of the lower part of the biological safety cabinet body are provided with supporting legs.

7. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the lower part of the water storage cavity is of an inverted square-truncated-pyramid shape, and a drain pipe extending to the outside is fixedly inserted in the middle of the lower part of the water storage cavity.

8. A biosafety cabinet to facilitate cleaning according to claim 1, wherein: the inside of the dirt collecting box is in a hollow shape which is communicated up and down, the sealing ring is abutted between the biological safety cabinet body and the sealing plate, and the middle part of the back surface of the sealing plate is provided with a handle.