CN217450203U

CN217450203U - Biological safety cabinet with dustproof and dampproof functions

Info

Publication number: CN217450203U
Application number: CN202220650111.7U
Authority: CN
Inventors: 马力
Original assignee: Hunan Hi Tech Jiageng Smart Catering Management Co ltd
Current assignee: Hunan Hi Tech Jiageng Smart Catering Management Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-20
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a biological safety cabinet with dustproof and moistureproof functions, which comprises a bottom plate, wherein the top of the bottom plate is provided with a biological safety cabinet body, the right side of the biological safety cabinet body is fixedly connected with a rectangular groove, an L-shaped pipe is inserted in the middle position of the top of the rectangular groove, by arranging the lifting mechanism and through the mutual matching of the rectangular plate, the electric telescopic rod, the moving block, the rack plate, the transmission gear, the fixed rod, the vertical plate, the swinging plate, the straight rod and the swinging rod, the height of the biological safety cabinet body is convenient to adjust, and the biological safety cabinet is suitable for people with different heights to use, through setting up fixed establishment, through the mutually supporting of these parts of fixed plate, pivot, knob, driven gear, pipe, threaded rod, splint and driving gear, be convenient for to household utensils fixed, avoid it to overturn inside polluting the biosafety cabinet body, improve the practicality of device.

Description

Biological safety cabinet with dustproof and dampproof functions

Technical Field

The utility model relates to a biological safety cabinet technical field especially relates to a biological safety cabinet with dustproof dampproofing function.

Background

A biological safety cabinet (bsc) is a box-type air purification negative pressure safety device that can prevent aerosol from escaping from some dangerous or unknown biological particles contained in the experimental operation 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 existing device is not convenient for fixing the vessel, so that the vessel is easily overturned, and the internal pollution is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a biological safety cabinet with dustproof and moistureproof functions.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a biological safety cabinet with dustproof and moistureproof functions comprises a bottom plate, wherein a biological safety cabinet body is arranged at the top of the bottom plate, a rectangular groove is fixedly connected to the right side of the biological safety cabinet body, an L-shaped pipe is spliced at the middle position of the top of the rectangular groove, one end, far away from the rectangular groove, of the L-shaped pipe is spliced at the right side of the biological safety cabinet body, an air inlet pipe is spliced at the position, close to the top, of the rectangular groove, a valve is arranged at the top of the air inlet pipe, a supporting plate is fixedly connected to the position, close to the middle position, of the inner cavity of the rectangular groove, an exhaust fan is fixedly connected to the top of the supporting plate, a dedusting filter screen is fixedly connected to the position, close to the middle position, of the inner cavity of the rectangular groove, an active carbon filter screen is fixedly connected to the position, close to the bottom, of the right side of the biological safety cabinet body is spliced with an air outlet pipe, and the right end of the air outlet pipe is positioned in the inner cavity of the rectangular groove, the top of bottom plate is equipped with elevating system, the top of bottom plate is close to the equal fixedly connected with spacing telescopic link of left and right sides department, two the top of spacing telescopic link all with biological safety cabinet body fixed connection, biological safety cabinet body inner chamber top intermediate position department fixedly connected with stoving lamp, biological safety cabinet body inner chamber bottom is equipped with fixed establishment.

Further, the opening is opened to biohazard safety equipment body front side, biohazard safety equipment body front side be equipped with opening assorted switch door, the top of switch door is equipped with a plurality of hinge, the switch door is through a plurality of hinge and biohazard safety equipment body swing joint, just the switch door front side is close to bottom department fixedly connected with handle.

Further, the lifting mechanism comprises a rectangular plate which is fixedly connected to the top of the bottom plate near the right side, an electric telescopic rod is fixedly connected at the position, close to the middle position, of the left side of the rectangular plate, a moving block is fixedly connected at the left end of the electric telescopic rod, a rack plate is fixedly connected to the bottom of the left side of the moving block, a transmission gear is meshed to the position, close to the left side, of the top of the rack plate, a fixed rod penetrates through the center of the circle at the front side of the transmission gear, a vertical plate is fixedly connected at the middle position of the top of the bottom plate, the rear end of the fixed rod is movably connected with the vertical plate, the front end of the fixed rod is fixedly connected with a swinging plate, a straight rod is fixedly connected to the position, close to the left side, of the front side of the swinging plate, a swinging rod is movably connected to the front end of the straight rod, and one end, far away from the straight rod, of the swinging rod is movably connected with the biological safety cabinet body.

Furthermore, the bottom of the moving block is fixedly connected with a first sliding block, a first sliding groove is formed in the position, close to the middle, of the top of the bottom plate, and the first sliding block is movably connected to the inner cavity of the first sliding groove.

Further, fixed establishment includes two fixed plates, two fixed plate difference fixed connection is close to left and right sides department in biosafety cabinet body inner chamber bottom, two equal swing joint in one side intermediate position department that the fixed plate kept away from mutually has a pivot, two the equal fixedly connected with knob of one end that the pivot was kept away from.

Further, two the outside intermediate position department of pivot all overlaps and is equipped with the driving gear, two the top and the bottom of driving gear all mesh there is driven gear, a plurality of equal fixedly connected with pipe, two on the driven gear one side that the fixed plate is relative is close to the equal fixedly connected with bearing of top and bottom department, a plurality of the inner chamber, a plurality of adjacent bearing are run through respectively to the pipe the equal swing joint in inner chamber of pipe has the threaded rod, just the pipe inner chamber seted up with threaded rod assorted internal thread, be located the right side both sides the left end of threaded rod and the equal common fixedly connected with splint of right-hand member that are located two threaded rods in left side.

Further, two the equal fixedly connected with second slider in bottom of splint, the biological safety cabinet body inner chamber bottom is close to intermediate position department and has seted up the second spout, two the equal swing joint of second slider is in the second spout inner chamber.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model is provided with the lifting mechanism, and the height of the biosafety cabinet body can be conveniently adjusted by mutually matching the rectangular plate, the electric telescopic rod, the moving block, the rack plate, the transmission gear, the fixed rod, the vertical plate, the swinging plate, the straight rod and the swinging rod, and the lifting mechanism is suitable for people with different heights;

2. the utility model discloses a set up fixed establishment, through mutually supporting of these parts of fixed plate, pivot, knob, driven gear, pipe, threaded rod, splint and driving gear, be convenient for to household utensils fixed, avoid it to overturn inside the pollution biosafety cabinet body, improve device's practicality.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a sectional view of the present embodiment;

FIG. 3 is a partial plan view of the transmission gear of the present embodiment;

fig. 4 is an enlarged view of a portion a in fig. 2 of the present embodiment.

In the figure: 1. a base plate; 2. limiting the telescopic rod; 3. a biological safety cabinet body; 4. a drying lamp; 5. a rectangular groove; 6. an exhaust fan; 7. a dust removal filter screen; 8. an active carbon filter screen; 9. a rectangular plate; 10. an electric telescopic rod; 11. a moving block; 12. a rack plate; 13. a transmission gear; 14. fixing the rod; 15. a vertical plate; 16. a swing plate; 17. a straight rod; 18. a swing lever; 19. a fixing plate; 20. a rotating shaft; 21. a knob; 22. a driven gear; 23. a circular tube; 24. a threaded rod; 25. a splint; 26. a drive gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a biological safety cabinet with dustproof and moistureproof functions comprises a bottom plate 1, a biological safety cabinet body 3 is arranged at the top of the bottom plate 1, a rectangular groove 5 is fixedly connected at the right side of the biological safety cabinet body 3, an L-shaped pipe is inserted at the middle position of the top of the rectangular groove 5, one end of the L-shaped pipe far away from the rectangular groove 5 is inserted at the right side of the biological safety cabinet body 3, an air inlet pipe is inserted at the position of the right side of the rectangular groove 5 close to the top, a valve is arranged at the top of the air inlet pipe, a support plate is fixedly connected at the position of the inner cavity of the rectangular groove 5 close to the middle position, an exhaust fan 6 is fixedly connected at the top of the support plate, a dust removal filter screen 7 is fixedly connected at the position of the inner cavity of the rectangular groove 5 close to the middle position, an activated carbon filter screen 8 is fixedly connected at the position of the inner cavity of the rectangular groove 5 close to the bottom, an air outlet pipe is inserted at the position of the right side of the biological safety cabinet body 3 close to the bottom, and the right end of the air outlet pipe is positioned in the inner cavity of the rectangular groove 5, the top of the bottom plate 1 is provided with a lifting mechanism, the positions, close to the left side and the right side, of the top of the bottom plate 1 are fixedly connected with limiting telescopic rods 2, the top ends of the two limiting telescopic rods 2 are fixedly connected with a biological safety cabinet body 3, a drying lamp 4 is fixedly connected at the middle position of the top of an inner cavity of the biological safety cabinet body 3, the bottom of the inner cavity of the biological safety cabinet body 3 is provided with a fixing mechanism, the front side of the biological safety cabinet body 3 is provided with an opening and closing door matched with the opening, the top of the opening and closing door is provided with a plurality of hinges, the opening and closing door is movably connected with the biological safety cabinet body 3 through the plurality of hinges, and the position, close to the bottom, of the front side of the opening and closing door is fixedly connected with a handle;

the lifting mechanism comprises a rectangular plate 9, the rectangular plate 9 is fixedly connected to the position, close to the right side, of the top of the bottom plate 1, the left side of the rectangular plate 9 is fixedly connected with an electric telescopic rod 10 close to the middle position, the left end of the electric telescopic rod 10 is fixedly connected with a moving block 11, the bottom of the moving block 11 is fixedly connected with a first sliding block, the top of the bottom plate 1 is provided with a first sliding groove close to the middle position, the first sliding block is movably connected to an inner cavity of the first sliding groove, the bottom of the left side of the moving block 11 is fixedly connected with a rack plate 12, the top of the rack plate 12 is engaged with a transmission gear 13 close to the left side, a fixed rod 14 penetrates through the center of the front side of the transmission gear 13, the middle position of the top of the bottom plate 1 is fixedly connected with a vertical plate 15, the rear end of the fixed rod 14 is movably connected with the vertical plate 15, the front end of the fixed rod 14 is fixedly connected with a swinging plate 16, and the front side of the swinging plate 16 is fixedly connected with a straight rod 17 close to the left side, the front end of the straight rod 17 is movably connected with a swing rod 18, and one end of the swing rod 18, which is far away from the straight rod 17, is movably connected with the biological safety cabinet body 3, so that the height of the biological safety cabinet body 3 can be conveniently adjusted, and the biological safety cabinet is suitable for people with different heights;

the fixing mechanism comprises two fixing plates 19, the two fixing plates 19 are respectively fixedly connected at the positions close to the left side and the right side of the bottom of the inner cavity of the biosafety cabinet body 3, the middle position of the far side of the two fixing plates 19 is movably connected with a rotating shaft 20, the far end of the two rotating shafts 20 is fixedly connected with a knob 21, the middle position of the outer side of the two rotating shafts 20 is sleeved with a driving gear 26, the top and the bottom of the two driving gears 26 are respectively engaged with a driven gear 22, a plurality of driven gears 22 are respectively and fixedly connected with a circular tube 23, the positions close to the top and the bottom of the opposite side of the two fixing plates 19 are respectively and fixedly connected with a bearing, a plurality of circular tubes 23 respectively penetrate through the inner cavities of the adjacent bearings, the inner cavities of the plurality of circular tubes 23 are respectively and movably connected with threaded rods 24, the inner cavities of the circular tubes 23 are provided with internal threads matched with the threaded rods 24, the left ends of the threaded rods 24 at the right side and the right ends of the two threaded rods 24 are respectively and fixedly connected with clamping plates 25, the equal fixedly connected with second slider in bottom of two splint 25, the 3 inner chamber bottoms of biosafety cabinet body are close to intermediate position department and have seted up the second spout, and the equal swing joint of two second sliders is convenient for fix the household utensils in second spout inner chamber, avoids it to overturn and pollutes inside biosafety cabinet body 3, improves the practicality of device.

The working principle is as follows: firstly, when the electric telescopic rod 10 is used by a worker, an external power supply of the electric telescopic rod 10 is turned on, the electric telescopic rod 10 extends, so that a moving block 11 fixed at the left end of the electric telescopic rod 10 moves leftwards under the action of a first sliding chute and a first sliding block, so that a rack plate 12 is pushed to move leftwards, the rack plate 12 drives a transmission gear 13 to rotate while moving leftwards, the transmission gear 13 drives a fixed rod 14 to rotate while rotating, so that a swinging plate 16 fixed at the front end of the fixed rod 14 deflects, the swinging rod 18 deflects under the action of a straight rod 17, the swinging rod stably ascends under the action of two limit telescopic rods 2, the electric telescopic rod 10 is adjusted to a proper position, the external power supply of the electric telescopic rod 10 is turned off, a switch door is turned on, a vessel is placed in a biological safety cabinet body 3, two knobs 21 are rotated while two driving gears 26 rotate, and two driven gears 22 are driven to rotate while the two driving gears 26 rotate, thereby rotating the adjacent driven gears 22, and the plurality of driven gears 22 simultaneously rotate the circular tube 23 fixed to the adjacent driven gears 22, under the action of the adjacent threaded rod 24, the clamping plate 25 is pushed to move towards the middle under the action of the second sliding chute and the second sliding block, the vessel is fixed, the switch door is closed, after the biological safety cabinet body 3 finishes working, the vessel is taken out, the switch door is closed, the external power supply of the drying lamp 4 and the exhaust fan 6 is opened, and the valve is opened, the external air removes dust and dehumidifies the air through the dust removal filter screen 7 and the active carbon filter screen 8, and dehumidifies the air in the biological safety cabinet body 3, dustproof dampproofing to biological safety cabinet body 3, after stoving lamp 4 and air exhauster 6 worked a period, closed stoving lamp 4 and air exhauster 6 and valve, above be whole work flow.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A biological safety cabinet with dustproof and moistureproof functions comprises a bottom plate (1), wherein a biological safety cabinet body (3) is arranged at the top of the bottom plate (1), a rectangular groove (5) is fixedly connected to the right side of the biological safety cabinet body (3), an L-shaped pipe is spliced at the middle position of the top of the rectangular groove (5), one end, away from the rectangular groove (5), of the L-shaped pipe is spliced at the right side of the biological safety cabinet body (3), an air inlet pipe is spliced at the position, close to the top, of the right side of the rectangular groove (5), a valve is arranged at the top of the air inlet pipe, a supporting plate is fixedly connected to the position, close to the middle position, of the inner cavity of the rectangular groove (5), an exhaust fan (6) is fixedly connected to the top of the supporting plate, a dust removal filter screen (7) is fixedly connected to the position, a activated carbon filter screen (8) is fixedly connected to the position, close to the bottom, of the inner cavity of the rectangular groove (5), the right side of biological safety cabinet body (3) is close to bottom department and pegs graft and has the outlet duct, the outlet duct right-hand member is arranged in rectangular channel (5) inner chamber, its characterized in that: the top of bottom plate (1) is equipped with elevating system, the top of bottom plate (1) is close to equal fixedly connected with spacing telescopic link (2) of left and right sides department, two the top of spacing telescopic link (2) all with biological safety cabinet body (3) fixed connection, biological safety cabinet body (3) inner chamber top intermediate position department fixedly connected with stoving lamp (4), biological safety cabinet body (3) inner chamber bottom is equipped with fixed establishment.

2. The biological safety cabinet with the dustproof and moistureproof functions as in claim 1, which is characterized in that: the biological safety cabinet is characterized in that an opening is formed in the front side of the biological safety cabinet body (3), a switch door matched with the opening is arranged on the front side of the biological safety cabinet body (3), a plurality of hinges are arranged at the top of the switch door, the switch door is movably connected with the biological safety cabinet body (3) through the plurality of hinges, and the switch door is close to a handle fixedly connected with the bottom.

3. The biological safety cabinet with the dustproof and moistureproof functions as in claim 1, which is characterized in that: the lifting mechanism comprises a rectangular plate (9), the rectangular plate (9) is fixedly connected to the position, close to the right, of the top of the bottom plate (1), an electric telescopic rod (10) is fixedly connected to the position, close to the middle position, of the left side of the rectangular plate (9), a moving block (11) is fixedly connected to the left side of the electric telescopic rod (10), a rack plate (12) is fixedly connected to the bottom of the left side of the moving block (11), a transmission gear (13) is meshed to the position, close to the left side, of the top of the rack plate (12), a fixing rod (14) penetrates through the circle center of the front side of the transmission gear (13), a vertical plate (15) is fixedly connected to the middle position of the top of the bottom plate (1), the rear end of the fixing rod (14) is movably connected with the vertical plate (15), a swing plate (16) is fixedly connected to the front end of the fixing rod (14), a straight rod (17) is fixedly connected to the position, close to the left side of the swing plate (16), the front end of the straight rod (17) is movably connected with a swing rod (18), and one end, far away from the straight rod (17), of the swing rod (18) is movably connected with the biological safety cabinet body (3).

4. The biological safety cabinet with the dustproof and moistureproof functions as in claim 3, wherein: the bottom of the moving block (11) is fixedly connected with a first sliding block, a first sliding groove is formed in the position, close to the middle, of the top of the bottom plate (1), and the first sliding block is movably connected to the inner cavity of the first sliding groove.

5. The biological safety cabinet with the dustproof and moistureproof functions as in claim 1, which is characterized in that: fixed establishment includes two fixed plates (19), two fixed plate (19) fixed connection respectively is close to left and right sides department at biosafety cabinet body (3) inner chamber bottom, two the equal swing joint in one side intermediate position department that fixed plate (19) kept away from mutually has pivot (20), two the equal fixedly connected with knob (21) of one end that pivot (20) kept away from mutually.

6. The biological safety cabinet with the dustproof and moistureproof functions as claimed in claim 5, wherein: two the outside intermediate position department of pivot (20) all overlaps and is equipped with driving gear (26), two the top and the bottom of driving gear (26) all mesh and have driven gear (22), a plurality of equal fixedly connected with pipe (23), two on driven gear (22) one side that fixed plate (19) is relative is close to the equal fixedly connected with bearing of top and bottom department, a plurality of the inner chamber of adjacent bearing is run through respectively in pipe (23), a plurality of the equal swing joint in inner chamber of pipe (23) has threaded rod (24), just pipe (23) inner chamber seted up with threaded rod (24) assorted internal thread, be located the right side both sides the left end of threaded rod (24) and the equal common fixedly connected with splint (25) of right-hand member that are located two threaded rods (24) in left side.

7. The biological safety cabinet with the dustproof and moistureproof functions as in claim 6, wherein: two the equal fixedly connected with second slider in bottom of splint (25), the second spout has been seted up near intermediate position department in biosafety cabinet body (3) inner chamber bottom, two the equal swing joint of second slider is in the second spout inner chamber.