CN219232390U

CN219232390U - Biological safety cabinet

Info

Publication number: CN219232390U
Application number: CN202320037155.7U
Authority: CN
Inventors: 芦慧敏; 王岩; 覃艳
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-23
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to the technical field of biosafety cabinets, in particular to a biosafety cabinet which comprises a biosafety cabinet body, a connecting plate, a driving part and a limiting part, wherein a base is arranged at the bottom of the biosafety cabinet body, the connecting plate is slidably arranged at the top of the inside of the base, and the bottom of the biosafety cabinet body is arranged on the connecting plate; the driving part is arranged in the base and used for driving the connecting plate to move up and down along the vertical direction so as to adjust the height of the biosafety cabinet body; the limiting part is arranged on the outer side face of the bottom of the base and used for limiting the base, so that the base is stable on the ground. According to the utility model, the hydraulic cylinder and the connecting plate are arranged, and the connecting plate is pushed by a piston rod in the hydraulic cylinder to move up and down along the vertical direction, so that the connecting plate pushes the biosafety cabinet body to move up and down, and the height of an operating platform on the biosafety cabinet body is adjusted according to the height of an operator.

Description

Biological safety cabinet

Technical Field

The utility model relates to the technical field of biosafety cabinets, in particular to a biosafety cabinet.

Background

The biosafety cabinet is designed to protect the operator himself, the laboratory environment and the laboratory materials from exposure to infectious aerosols and splashes which may occur during the above-mentioned operation, when handling infectious laboratory materials such as primary cultures, bacterial strains and diagnostic specimens.

In the prior art, the biosafety cabinet has the following defects: because the height of the biosafety cabinet is fixed, the height of the biosafety cabinet cannot be adjusted according to the height of an operator, the operator cannot keep comfort in the operation process, and when the height of the operator is higher or lower than the biosafety cabinet, the operator can be damaged to a certain extent by long-time bending operation. In view of this, we propose a biosafety cabinet.

Disclosure of Invention

In order to make up for the defects, the utility model provides a biosafety cabinet.

The technical scheme of the utility model is as follows:

the utility model provides a biosafety cabinet, includes biosafety cabinet body, biosafety cabinet body bottom is equipped with the base, one side of biosafety cabinet body is equipped with the support, still includes:

the connecting plate is slidably arranged at the top of the inside of the base, and the bottom of the biosafety cabinet body is arranged on the connecting plate;

the driving part is arranged in the base and used for driving the connecting plate to move up and down along the vertical direction so as to adjust the height of the biosafety cabinet body;

the limiting part is arranged on the outer side face of the bottom of the base and used for limiting the base, so that the base is stable on the ground, and a locking part is arranged between the limiting part and the base.

Further, four corners in the base are all provided with auxiliary blocks, each auxiliary block top surface is provided with a groove, each groove is internally provided with a hydraulic cylinder, and piston rods in the four hydraulic cylinders are connected to the bottom surface of the connecting plate.

Further, the bottom surface of connecting plate is equipped with the gag lever post of four L shape structures, the one end of gag lever post is equipped with the slider, and the inside relative both sides wall of base all is equipped with two spouts that match each other with the slider, and the slider inlays to be established in the spout and can remove along the spout, the both sides of slider all are equipped with the lug, and the inside relative both sides wall of spout all is equipped with the bar groove that matches each other with the lug, and the tip that the slider was kept away from to the lug inserts bar inslot sliding connection.

Further, the limiting part comprises a antiskid plate hinged to the outer side face of the base, and a plurality of equidistant convex teeth are arranged on the antiskid plate.

Further, the locking part comprises bolt sleeves fixed on two sides of the antiskid plate, the two bolts in the bolt sleeves are connected through a connecting rod, and the base is provided with a slot matched with the bolts in the bolt sleeves.

Furthermore, springs are sleeved outside the two ends of the connecting rod, one ends of the springs are fixed on the connecting rod, and the other ends of the springs are fixed on the antiskid plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the hydraulic cylinder and the connecting plate are arranged, and the connecting plate is pushed by the piston rod in the hydraulic cylinder to move up and down along the vertical direction, so that the connecting plate pushes the biosafety cabinet body to move up and down, the height of the operating table on the biosafety cabinet body is adjusted according to the height of an operator, and the operator is prevented from being possibly damaged to a certain extent when the operator is higher or lower than the operating table on the biosafety cabinet body by bending over for a long time.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B;

FIG. 4 is a schematic view of a base structure of the present utility model;

FIG. 5 is a schematic view of the internal structure of the base of the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 5C.

In the figure:

1. a biosafety cabinet body; 2. a bracket;

3. a base; 31. a wheel; 32. a chute;

4. a cleat; 41. convex teeth;

5. a connecting rod; 6. a bolt sleeve; 7. a spring; 8. a connecting plate;

9. a limit rod; 91. a slide block;

10. an auxiliary block; 11. and a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the present utility model is described in detail by the following embodiments:

the biological safety cabinet comprises a biological safety cabinet body 1, a connecting plate 8, a driving part and a limiting part, wherein a base 3 is arranged at the bottom of the biological safety cabinet body 1, a bracket 2 is fixedly arranged on one side of the biological safety cabinet body 1, the connecting plate 8 is slidably arranged at the top inside the base 3, and the bottom of the biological safety cabinet body 1 is arranged on the connecting plate 8; the driving part is arranged in the base 3 and is used for driving the connecting plate 8 to move up and down along the vertical direction so as to adjust the height of the biosafety cabinet body 1; the spacing portion sets up the bottom lateral surface at base 3 for carry out spacingly to base 3, make base 3 subaerial stable, be equipped with locking part between spacing portion and the base 3.

In this embodiment, fixed connection between connecting plate 8 and biosafety cabinet body 1, the inside four corners of base 3 all are equipped with auxiliary block 10, and the drive division includes four pneumatic cylinders 11, and every auxiliary block 10 top surface has all been seted up and is used for the recess, all is provided with pneumatic cylinder 11 in every recess, and the bottom surface at connecting plate 8 is all connected to the piston rod in four pneumatic cylinders 11. The connecting plate 8 is pushed by a piston rod in the hydraulic cylinder 11 to move up and down along the vertical direction, so that the connecting plate 8 drives the biosafety cabinet body 1 to move up and down, and the height of the biosafety cabinet body 1 is adjusted.

In this embodiment, the bottom surface of connecting plate 8 is equipped with the gag lever post 9 of four L shape structures, the one end fixed mounting of gag lever post 9 has slider 91, the other end fixed connection is in the bottom surface of connecting plate 8, the inside relative both sides wall of base 3 all is equipped with two spouts 32 that match each other with slider 91, slider 91 inlays and establishes in spout 32 and can remove along spout 32, the equal fixed mounting in both sides of slider 91 has the lug, and the inside relative both sides wall of spout 32 all is equipped with the bar groove that matches each other with the lug, the tip that slider 91 was kept away from to the lug inserts bar inslot sliding connection. By providing the stop lever 9 and the slider 91, the connecting plate 8 is not deviated during the movement.

In this embodiment, the limiting portion includes a cleat 4 disposed on an outer side surface of the base 3, and the bottom side edge of the cleat 4 is hinged to the base 3, and the top surface of the cleat 4 is fixedly provided with equally spaced protruding teeth 41. Through setting up antiskid ribbed tile 4 and dogtooth 41, after upset antiskid ribbed tile 4, overturn the face that installs dogtooth 41 on the antiskid ribbed tile 4 downwards for dogtooth 41 supports subaerial, thereby makes base 3 stabilize subaerial. Wherein, the number of antiskid plates 4 is two, and two antiskid plates 4 are respectively hinged on two opposite lateral surfaces of the base 3, so that the front and back directions of the movement of the base 3 are limited.

In this embodiment, the locking part is including being fixed in the bolt cover 6 of antiskid plate 4 both sides, is connected through connecting rod 5 between the bolt in two bolt covers 6, and connecting rod 5 and the bolt fixed connection in the bolt cover 6 are equipped with the slot that matches each other with the bolt in the bolt cover 6 on the base 3, and fixed mounting has the hemisphere lug on the bolt of bolt cover 6, and is equipped with the recess that matches each other with the hemisphere lug in the slot for the tip of bolt can insert in the recess. Through setting up bolt cover 6, when outwards pulling connecting rod 5, make the bolt in the bolt cover 6 break away from the slot on base 3, antiskid ribbed tile 4 loses fixedly on base 3, makes antiskid ribbed tile 4 upset get off for protruding tooth 41 supports subaerial, thereby forms the stability to base 3.

In this embodiment, springs 7 are respectively sleeved on the outer sides of two ends of the connecting rod 5, one end of each spring 7 is fixed on the connecting rod 5, and the other end is fixed on the antiskid plate 4. Through setting up spring 7, at the in-process of spacing placing antiskid plate 4, utilize spring 7's resilience of recovering, drive connecting rod 5 promotes the bolt in the bolt cover 6 and inserts in the slot on the base 3, prevent antiskid plate 4 from overturning down from base 3.

In this embodiment, the bottom of the base 3 is fixedly provided with a plurality of wheels 31 arranged side by side, the biosafety cabinet body 1 is fixedly provided with a switch, a closed loop is formed between the switch and the hydraulic cylinder 11, and the switch is used for controlling the starting and closing of the hydraulic cylinder 11.

Working principle: firstly, the wheels 31 at the bottom of the base 3 move along with the bracket 2 by pushing or pulling, so as to drive the utility model to move; when the utility model is moved to a required position, the connecting rod 5 is pulled, the bolt in the bolt sleeve 6 is separated from the slot on the base 3, the antiskid plate 4 loses fixation on the base 3, the top of the antiskid plate 4 is turned over and moves downwards, the face of the antiskid plate 4 with the convex teeth 41 is contacted with the ground, the wheels 31 are stabilized on the ground by friction, and the wheels 31 can not drive the whole movement; the switch of the hydraulic cylinder 11 is turned on, a piston rod in the hydraulic cylinder 11 pushes the connecting plate 8 to move up and down along the vertical direction, the connecting plate 8 drives the biosafety cabinet body 1 to move up and down, so that the height of an operation table on the biosafety cabinet body 1 is adjusted according to the height of an operator, when the height of the operation table on the biosafety cabinet body 1 is adjusted to a proper height, the switch of the hydraulic cylinder 11 is turned off, and the operator operates on the operation table of the biosafety cabinet body 1.

Through setting up pneumatic cylinder 11 and connecting plate 8, promote connecting plate 8 along the vertical direction reciprocates through the piston rod in the pneumatic cylinder 11 for connecting plate 8 promotes biological safety cabinet body 1 and reciprocates, thereby adjusts the height of operation panel on the biological safety cabinet body 1 according to operator's height, makes the operator have certain travelling comfort at the in-process of operation, prevents that the operator's height from being higher than or being less than when the operation panel on the biological safety cabinet body 1, and the operation of bending over for a long time probably has certain damage to the operator.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a biosafety cabinet, includes biosafety cabinet body (1), biosafety cabinet body (1) bottom is equipped with base (3), one side of biosafety cabinet body (1) is equipped with support (2), its characterized in that still includes:

the connecting plate (8), the connecting plate (8) is slidably arranged at the top of the inside of the base (3), and the bottom of the biosafety cabinet body (1) is arranged on the connecting plate (8);

the driving part is arranged in the base (3) and is used for driving the connecting plate (8) to move up and down along the vertical direction so as to adjust the height of the biosafety cabinet body (1);

the limiting part is arranged on the outer side face of the bottom of the base (3) and used for limiting the base (3) to enable the base (3) to be stable on the ground, and a locking part is arranged between the limiting part and the base (3).

2. The biosafety cabinet of claim 1 wherein: four corners in the base (3) are all equipped with auxiliary block (10), every auxiliary block (10) top surface has all been seted up and has been used for the recess, every all be provided with pneumatic cylinder (11) in the recess, four piston rod in pneumatic cylinder (11) all is connected in the bottom surface of connecting plate (8).

3. The biosafety cabinet of claim 2 wherein: four limiting rods (9) with L-shaped structures are arranged on the bottom surface of the connecting plate (8), one end of each limiting rod (9) is provided with a sliding block (91), two sliding grooves (32) which are matched with the sliding blocks (91) are respectively arranged on the two opposite side walls inside the base (3), the slider (91) is embedded in the chute (32) and can move along the chute (32), the two sides of the slider (91) are provided with the convex blocks, the two opposite side walls of the inside of the chute (32) are provided with the strip-shaped grooves matched with the convex blocks, and the end parts of the convex blocks, far away from the slider (91), are inserted into the strip-shaped grooves for sliding connection.

4. The biosafety cabinet of claim 1 wherein: the limiting part comprises a antiskid plate (4) hinged to the outer side face of the base (3), and a plurality of equidistant convex teeth (41) are arranged on the antiskid plate (4).

5. The biosafety cabinet of claim 4 wherein: the locking part comprises bolt sleeves (6) fixed on two sides of the antiskid plate (4), two bolts in the bolt sleeves (6) are connected through a connecting rod (5), and slots matched with the bolts in the bolt sleeves (6) are formed in the base (3).

6. The biosafety cabinet of claim 5 wherein: springs (7) are sleeved on the outer sides of the two ends of the connecting rod (5), one ends of the springs (7) are fixed on the connecting rod (5), and the other ends of the springs are fixed on the antiskid plate (4).