CN214183143U

CN214183143U - Biological safety cabinet

Info

Publication number: CN214183143U
Application number: CN202022552837.0U
Authority: CN
Inventors: 林梅香; 林梅珍
Original assignee: Zhangzhou Liansheng Biotechnology Co ltd
Current assignee: Zhangzhou Liansheng Biotechnology Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-09-14
Anticipated expiration: 2030-11-07

Abstract

The utility model discloses a biological safety cabinet, including the operation cabinet body, the supporting leg, support the diaphragm, safety cabinet elevating gear and waste bin controlling means, one side has been seted up on operation cabinet body bottom plate roof and has been put in the mouth, put in mouth one side on the operation cabinet body roof and seted up flutedly, the supporting leg is located on operation cabinet body bottom plate diapire, the supporting leg corresponds four corners on operation cabinet body bottom plate and is equipped with four groups, the spout has all been seted up on four groups of supporting legs, equal block slides in four groups's spouts and is equipped with slide bar and upper end all with operation cabinet body fixed connection, it locates between four groups of supporting legs to support the diaphragm, be equipped with the riser on the support diaphragm, safety cabinet elevating gear locates one side on supporting the diaphragm, safety cabinet elevating gear is equipped with two sets ofly on supporting the diaphragm, another group of safety cabinet elevating gear locates and supports the diaphragm opposite side, waste bin controlling means locates on supporting the diaphragm. The utility model relates to a biological safety cabinet technical field specifically is a biological safety cabinet of adjustable height, can open and shut waste bin.

Description

Biological safety cabinet

Technical Field

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

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.

Current biological safety cabinet is mostly the structure of the cabinet body of fixed, can not carry out height control according to operating personnel's specific demand, and current biological safety cabinet is to often need taking out articles such as used abandonment pipettes, blake bottle from the safety cabinet and losing into the garbage bin in biological safety cabinet use, and operating personnel's arm can make a round trip to pass in and out biological safety cabinet this moment, and this can exert an influence to clean operation.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming current technical defect, the utility model provides a can height-adjusting, have the biosafety cabinet of waste bin that can open and shut.

The utility model adopts the following technical scheme: the utility model relates to a biosafety cabinet, which comprises an operation cabinet body, supporting legs, a supporting diaphragm, a safety cabinet lifting device and a waste bucket control device, wherein a bottom plate of the operation cabinet body is of a hollow plate structure, one side of the top wall of the bottom plate of the operation cabinet body is provided with a throwing opening, one side of the throwing opening of the top wall of the operation cabinet body is provided with a groove, the supporting legs are arranged on the bottom wall of the bottom plate of the operation cabinet body, two groups of the supporting legs correspond to the short edges of the bottom plate of the operation cabinet body, the supporting legs are provided with four groups of the supporting legs close to one side, the four groups of the supporting legs are provided with chutes which are all provided with slide rods in a clamping and sliding manner, the upper ends of the four groups of the slide rods are fixedly connected with the bottom plate of the operation cabinet body, the supporting diaphragm is arranged between the four groups of the supporting legs, the supporting diaphragm is a hollow plate, and a vertical plate is arranged on the supporting diaphragm, the safety cabinet lifting device is arranged on one side of the supporting transverse plate, two groups of safety cabinet lifting devices are arranged on the supporting transverse plate, the other group of safety cabinet lifting devices is arranged on the other side of the supporting transverse plate, a rotating rod is rotatably arranged on one side wall of the supporting transverse plate, the other end of the rotating rod penetrates through the other side wall of the supporting transverse plate, and the waste bucket control device is arranged on the supporting transverse plate; the safety cabinet lifting device comprises a crank, a driving bevel gear, a supporting seat, a driven bevel gear, a screw rod, a threaded sleeve and a connecting assembly, wherein the crank is arranged at one end of a rotating rod penetrating through a side wall of a supporting diaphragm, the driving bevel gear is arranged on the rotating rod, the supporting seat is arranged at one side of the top wall of the supporting diaphragm in a penetrating and rotating manner, the driven bevel gear is arranged at the lower end of the supporting seat and is meshed with the driving bevel gear, the screw rod is arranged on the supporting seat, the threaded sleeve is arranged on the screw rod through threaded connection, the connecting assembly is arranged at one side of the threaded sleeve, the connecting assembly comprises a connecting rod, a sliding block and a pulley, the connecting rod is arranged at one side of the threaded sleeve, the sliding block is clamped and slidably arranged in a group of sliding grooves, the pulley is arranged at one side of the sliding block, the pulley slides on the side wall of the sliding grooves, and the connecting assembly is symmetrically arranged in two groups about the axis of the threaded sleeve, the other group of connecting components are arranged on the other side of the threaded sleeve, when the multifunctional electric cabinet is used, the crank is shaken to drive the rotating rod and the driving bevel gear to rotate, the driving bevel gear is meshed to drive the driven bevel gear and the screw rod to rotate, the screw rod drives the threaded sleeve to lift upwards through threaded connection, the threaded sleeve drives the two groups of sliding blocks to upwards cooperate with the threaded sleeve to abut against the bottom plate of the operation cabinet body, and the operation cabinet body is further controlled to lift upwards; the waste bucket control device comprises a motor, a rotating shaft, a transmission belt, a threaded rod, a connecting rod, a first bevel gear, a second bevel gear, a driven rotating shaft, a straight gear, a fixed seat and a sliding plate, wherein a fixed plate is arranged on one side of a vertical plate, the motor is arranged on the fixed plate, the rotating shaft is rotatably arranged on a supporting transverse plate, the upper end of the rotating shaft is connected with an output shaft of the motor, the threaded rod is rotatably arranged on one side of the rotating shaft on the supporting transverse plate, two ends of the transmission belt are respectively sleeved on the rotating shaft and the threaded rod, a threaded block is arranged on the threaded rod through threaded connection, a connecting seat is arranged on the threaded block, a waste bucket is arranged on the connecting seat, the connecting rod is penetratingly arranged on the bottom plate of the operating cabinet, the lower end of the connecting rod is fixedly connected with the threaded rod, the first bevel gear is arranged at one end of the bottom plate of the operating cabinet, the driven rotating shaft is rotatably arranged on the inner wall of the operating cabinet, second bevel gear locate on the driven rotation shaft and with first bevel gear meshing, the spur gear is located on the driven rotation shaft, the fixing base includes first fixing base and second fixing base, first fixing base and second fixing base are close to and set up slottedly on the lateral wall of one side, slide position board both sides block slides and locates two sets of inslots, slide position board downside is equipped with the spur rack, spur rack and spur gear meshing, when specifically using, open motor switch, the motor passes through driving belt and drives threaded rod, connecting rod and first bevel gear and rotate, and first bevel gear meshing drives second bevel gear, driven rotation shaft and spur gear and rotates, and spur gear meshing drives slide position board and shelters from or block in throwing in the mouth top, when realizing that the garbage bin goes up and down, and slide position board side is smooth to be opened.

Further, two sets of supporting legs one side on the long limit of operation cabinet body bottom plate all are equipped with supplementary spacing subassembly.

Furthermore, a plurality of groups of limiting holes are formed in the four groups of slide rods.

Further, supplementary spacing subassembly includes stop collar, gag lever post, stopper, spring and draws the piece, the stop collar is located a set ofly on the supporting leg lateral wall, the gag lever post runs through to slide and locates gag lever post one side, the gag lever post other end runs through gag lever post, supporting leg lateral wall and spacing hole in proper order, the stopper is located on the gag lever post and is located the gag lever post, the spring both ends are connected with stopper and stop collar respectively, the spring slip cap is located on the gag lever post, draw the piece to locate on the gag lever post, when specifically using, cooperate the safety cabinet elevating gear to use, when the operating cabinet body rises to suitable height, the spacing hole of supplementary spacing subassembly block of pulling is spacing.

Further, be equipped with the lug on the operation cabinet body antetheca, the lug is gone up to slide and is equipped with the glass baffle, be equipped with the cylinder on the operation cabinet body antetheca, the cylinder lower extreme is equipped with the piston rod, the piston rod is connected with glass baffle upper end.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: compared with the traditional device, the biological safety cabinet has the advantages that (1) the biological safety cabinet can be lifted through the cooperation of the safety cabinet lifting device and the auxiliary limiting assembly; (2) the waste barrel is controllable, and the process of manually taking waste is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a biosafety cabinet of the present invention;

FIG. 2 is a left side sectional view of the biosafety cabinet of the present invention;

FIG. 3 is a right side sectional view of the waste bin control device of the biosafety cabinet of the present invention;

FIG. 4 is a schematic view of a bottom plate of an operation cabinet body of the biosafety cabinet of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 2.

The safety cabinet comprises an operation cabinet body 1, an operation cabinet body 2, supporting legs 3, a supporting transverse plate 4, a safety cabinet lifting device 5, a waste bucket control device 6, a slide rod 7, a rotating rod 8, a crank 9, a driving bevel gear 10, a supporting seat 11, a driven bevel gear 12, a screw rod 13, a threaded sleeve 14, a connecting assembly 15, a connecting rod 16, a sliding block 17, a pulley 18, a motor 19, a rotating shaft 20, a transmission belt 21, a threaded rod 22, a connecting rod 23, a first bevel gear 24, a second bevel gear 25, a driven rotating shaft 26, a straight gear 27, a fixing seat 28, a slide plate 29, an auxiliary limiting assembly 30, a limiting sleeve 31, a limiting rod 32, a limiting block 33, a spring 34 and a pull block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-5, the technical scheme adopted by the utility model is as follows: the utility model relates to a biosafety cabinet, which comprises an operation cabinet body 1, supporting legs 2, a supporting transverse plate 3, a safety cabinet lifting device 4 and a waste bucket control device 5, wherein a bottom plate of the operation cabinet body is of a hollow plate structure, one side of the top wall of the bottom plate of the operation cabinet body 1 is provided with a throwing port, one side of the throwing port on the top wall of the operation cabinet body 1 is provided with a groove, the supporting legs 2 are arranged on the bottom wall of the bottom plate of the operation cabinet body, two groups of the supporting legs correspond to the short edges of the bottom plate of the operation cabinet body, the supporting legs 2 are respectively provided with four groups of the supporting legs close to one side, the supporting legs 2 are respectively provided with a sliding groove, the sliding grooves of the four groups are respectively clamped and slidably provided with a sliding rod 6, the upper ends of the sliding rods 6 of the four groups are fixedly connected with the bottom plate of the operation cabinet body, the supporting transverse plate 3 is arranged between the supporting legs 2 of the four groups, the supporting transverse plate 3 is of a hollow plate, the supporting transverse plate 3 is provided with a vertical plate, the safety cabinet lifting device 4 is arranged on one side of the supporting transverse plate 3, the safety cabinet lifting device 4 is provided with two groups on the supporting transverse plate 3, the other group of the safety cabinet lifting device 4 is arranged on the other side of the supporting transverse plate 3, a rotating rod 7 is rotatably arranged on one side wall of the supporting transverse plate 3, the other end of the rotating rod 7 penetrates through the other side wall of the supporting transverse plate 3, and the waste bucket control device 5 is arranged on the supporting transverse plate 3; the safety cabinet lifting device 4 comprises a crank 8, a driving bevel gear 9, a supporting seat 10, a driven bevel gear 11, a screw rod 12, a threaded sleeve 13 and a connecting assembly 14, wherein the crank 8 is arranged at one end of a side wall of a supporting transverse plate 3 in a penetrating manner, the driving bevel gear 9 is arranged on the rotating rod 7, the supporting seat 10 is arranged at one side of the top wall of the supporting transverse plate 3 in a penetrating manner, the driven bevel gear 11 is arranged at the lower end of the supporting seat 10 and is meshed with the driving bevel gear 9, the screw rod 12 is arranged on the supporting seat 10, the threaded sleeve 13 is arranged on the screw rod 12 through threaded connection, the connecting assembly 14 is arranged at one side of the threaded sleeve 13, the connecting assembly 14 comprises a connecting rod 15, a slider 16 and a pulley 17, the connecting rod 15 is arranged at one side of the threaded sleeve 13, the slider 16 is clamped and is arranged, the pulleys 17 slide on the side wall of the slide groove, two groups of the connecting assemblies 14 are symmetrically arranged on the axis of the threaded sleeve 13, and the other group of the connecting assemblies 14 is arranged on the other side of the threaded sleeve 13; the waste bucket control device 5 comprises a motor 18, a rotating shaft 19, a transmission belt 20, a threaded rod 21, a connecting rod 22, a first bevel gear 23, a second bevel gear 24, a driven rotating shaft 25, a straight gear 26, a fixing seat 27 and a sliding plate 28, wherein a fixing plate is arranged on one side of the vertical plate, the motor 18 is arranged on the fixing plate, the rotating shaft is rotatably arranged on a supporting transverse plate 3, the upper end of the rotating shaft is connected with an output shaft of the motor 18, the threaded rod 21 is rotatably arranged on one side of the upper rotating shaft of the supporting transverse plate 3, two ends of the transmission belt 20 are respectively sleeved on the rotating shaft 19 and the threaded rod 21, a threaded block is arranged on the threaded rod 21 through threaded connection, a connecting seat is arranged on the threaded block, a waste bucket is arranged on the connecting seat, the connecting rod 22 is arranged on a bottom plate of an operation cabinet body and fixedly connected with the lower end and the threaded rod 21, the first bevel gear 23 is arranged at one end of the connecting rod 22 positioned in the bottom plate of the operation cabinet body, driven spindle 25 rotates and locates on the 1 inner wall of the operation cabinet body, second bevel gear 24 locates on driven spindle 25 and meshes with first bevel gear 23, spur gear 26 locates on driven spindle 25, fixing base 27 includes first fixing base and second fixing base, first fixing base and second fixing base are close to and offer slottedly on one side lateral wall, 28 both sides blocks of slide plate slide and locate two sets of inslot, 28 downside of slide plate is equipped with the spur rack, spur rack and 26 meshing of spur gear.

Specifically, two sets of supporting legs 2 one side on the long limit of operation cabinet body bottom plate all are equipped with supplementary spacing subassembly 29. The four sets of slide rods 35 are all provided with a plurality of sets of limiting holes. Supplementary spacing subassembly 29 includes stop collar 30, gag lever post 31, stopper 32, spring 33 and draws piece 34, stop collar 30 locates a set ofly on the 2 lateral walls of supporting leg, gag lever post 31 runs through to slide and locates gag lever posts 30 one side, the gag lever post 31 other end runs through gag lever post 30, 2 lateral walls of supporting leg and spacing hole in proper order, stopper 32 is located on gag lever post 31 and is located the gag lever post 30, spring 33 both ends are connected with stopper 32 and gag lever post 30 respectively, spring 33 slip cap is located on gag lever post 31, draw piece 34 to locate on gag lever post 31, during the specific use, cooperate safety cabinet elevating gear 4 to use, when the operation cabinet body 1 rises to suitable height, the spacing hole of supplementary spacing subassembly 29 block of pulling is spacing. The improved multifunctional electric cabinet is characterized in that a convex block is arranged on the front wall of the operation cabinet body, a glass baffle is arranged on the convex block in a sliding mode, an air cylinder is arranged on the front wall of the operation cabinet body, a piston rod is arranged at the lower end of the air cylinder, and the piston rod is connected with the upper end of the glass baffle.

When the safe cabinet lifting device is used specifically, when the safe cabinet lifting device needs to be lifted, the crank 8 is shaken, the crank 8 drives the rotating rod 7 and the driving bevel gear 9 to rotate, the driving bevel gear 9 is meshed to drive the driven bevel gear 11 and the screw rod 12 to rotate, the screw rod 12 drives the threaded sleeve 13 to lift upwards through threaded connection, the threaded sleeve 13 drives the two groups of sliders 16 to upwards cooperate with the threaded sleeve 13 to abut against the bottom plate of the operation cabinet body, the operation cabinet body 1 is further controlled to lift upwards to be matched with the safe cabinet lifting device 4 for use, and when the operation cabinet body 1 is lifted to a proper height, the auxiliary limiting assembly 29 is pulled to be clamped with the; when the waste materials need to be delivered, a switch of the motor 18 is turned on, the motor 18 drives the threaded rod 21, the connecting rod 15 and the first bevel gear 23 to rotate through the transmission belt 20, the first bevel gear 23 is meshed to drive the second bevel gear 24, the driven rotating shaft 25 and the straight gear 26 to rotate, the straight gear 26 is meshed to drive the slide plate 28 to be shielded or clamped above the feeding port, the waste material barrel is lifted, meanwhile, the slide plate 28 is opened in a side sliding mode, and the waste materials can be delivered.

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. A biosafety cabinet is characterized in that: the device comprises an operation cabinet body, supporting legs, supporting transverse plates, a safety cabinet lifting device and a waste bucket control device, wherein a bottom plate of the operation cabinet body is of a hollow plate structure, one side of the top wall of the bottom plate of the operation cabinet body is provided with a throwing opening, one side of the throwing opening on the top wall of the operation cabinet body is provided with a groove, the supporting legs are arranged on the bottom wall of the bottom plate of the operation cabinet body, two groups of supporting legs corresponding to the short edges of the bottom plate of the operation cabinet body are provided with slide grooves close to one side, four groups of supporting legs are arranged on the bottom plate of the operation cabinet body correspondingly at four corners, the four groups of supporting legs are provided with slide grooves, slide rods are clamped and slidably arranged in the slide grooves, the upper ends of the slide rods of the four groups of the slide grooves are fixedly connected with the bottom plate of the operation cabinet body, the supporting transverse plates are arranged among the four groups of supporting legs, the supporting transverse plates are hollow plates, vertical plates are arranged on the supporting transverse plates, and the safety cabinet lifting device is arranged on one side of the supporting transverse plates, the safety cabinet lifting devices are arranged on two groups of supporting transverse plates, the other group of safety cabinet lifting devices is arranged on the other side of the supporting transverse plates, a rotating rod is rotatably arranged on one side wall of each supporting transverse plate, the other end of each rotating rod penetrates through the other side wall of each supporting transverse plate, and the waste bucket control device is arranged on each supporting transverse plate; the safety cabinet lifting device comprises a crank, a driving bevel gear, a supporting seat, a driven bevel gear, a screw rod, a threaded sleeve and a connecting assembly, wherein the crank is arranged at one end of a rotating rod penetrating through a side wall of a supporting diaphragm, the driving bevel gear is arranged on the rotating rod, the supporting seat is arranged at one side of the top wall of the supporting diaphragm in a penetrating and rotating manner, the driven bevel gear is arranged at the lower end of the supporting seat and is meshed with the driving bevel gear, the screw rod is arranged on the supporting seat, the threaded sleeve is arranged on the screw rod through threaded connection, the connecting assembly is arranged at one side of the threaded sleeve, the connecting assembly comprises a connecting rod, a sliding block and a pulley, the connecting rod is arranged at one side of the threaded sleeve, the sliding block is clamped and slidably arranged in a group of sliding grooves, the pulley is arranged at one side of, the other group of connecting components are arranged on the other side of the threaded sleeve; the waste bucket control device comprises a motor, a rotating shaft, a transmission belt, a threaded rod, a connecting rod, a first bevel gear, a second bevel gear, a driven rotating shaft, a straight gear, a fixed seat and a sliding plate, wherein a fixed plate is arranged on one side of a vertical plate, the motor is arranged on the fixed plate, the rotating shaft is rotatably arranged on a supporting transverse plate, the upper end of the rotating shaft is connected with an output shaft of the motor, the threaded rod is rotatably arranged on one side of the rotating shaft on the supporting transverse plate, two ends of the transmission belt are respectively sleeved on the rotating shaft and the threaded rod, a threaded block is arranged on the threaded rod through threaded connection, a connecting seat is arranged on the threaded block, a waste bucket is arranged on the connecting seat, the connecting rod is penetratingly arranged on the bottom plate of the operating cabinet, the lower end of the connecting rod is fixedly connected with the threaded rod, the first bevel gear is arranged at one end of the bottom plate of the operating cabinet, the driven rotating shaft is rotatably arranged on the inner wall of the operating cabinet, second bevel gear locate on the driven spindle and with first bevel gear meshing, the spur gear is located on the driven spindle, the fixing base includes first fixing base and second fixing base, first fixing base and second fixing base are close to and set up slottedly on one side lateral wall, slide the slide both sides block and slide and locate two sets of inslot, slide the slide board downside and be equipped with the spur rack, spur rack and spur gear meshing.

2. A biosafety cabinet according to claim 1, wherein: two sets of supporting legs one side on the long limit of operation cabinet body bottom plate all are equipped with supplementary spacing subassembly.

3. A biosafety cabinet according to claim 1, wherein: and a plurality of groups of limiting holes are formed in the four groups of slide rods.

4. A biosafety cabinet according to claim 2, wherein: the auxiliary limiting assembly comprises a limiting sleeve, a limiting rod, a limiting block, a spring and a pulling block, the limiting sleeve is arranged on one side of the supporting leg side wall, the limiting rod penetrates through the limiting sleeve to be slidably arranged on one side of the limiting sleeve, the other end of the limiting rod penetrates through the limiting sleeve, the supporting leg side wall and a limiting hole in sequence, the limiting block is arranged on the limiting rod and located in the limiting sleeve, two ends of the spring are connected with the limiting block and the limiting sleeve respectively, the limiting rod is arranged on the spring sliding sleeve, and the pulling block is arranged on the limiting rod.

5. A biosafety cabinet according to claim 1, wherein: the improved multifunctional electric cabinet is characterized in that a convex block is arranged on the front wall of the operation cabinet body, a glass baffle is arranged on the convex block in a sliding mode, an air cylinder is arranged on the front wall of the operation cabinet body, a piston rod is arranged at the lower end of the air cylinder, and the piston rod is connected with the upper end of the glass baffle.