CN220919241U

CN220919241U - Biological safety cabinet

Info

Publication number: CN220919241U
Application number: CN202322456920.1U
Authority: CN
Inventors: 刘飞飞; 孔维益; 岳刚; 关文慧; 江文龙; 崔波
Original assignee: Qingdao Haier Biomedical Co Ltd
Current assignee: Qingdao Haier Biomedical Co Ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-10
Anticipated expiration: 2033-09-11

Abstract

The application relates to a biosafety cabinet, and belongs to the technical field of medical appliances. The biosafety cabinet provided by the application comprises a cabinet body, a workbench, a water receiving box and a clamping assembly, wherein an operation space is arranged in the cabinet body, an operation window communicated with the operation space is arranged on the side wall of the cabinet body, and the workbench is arranged in the operation space. The clamping assembly comprises a clamping groove arranged on the workbench and a limiting block arranged in the operation space. When the workbench is in an open state, one end of the workbench, which is close to the operation window, is lifted, the workbench rotates by taking one end, which is far away from the operation window, as an axle center, the limiting block is positioned on a rotating path of the clamping groove, and the limiting block is clamped into the clamping groove in the rotating process of the workbench so as to fix the workbench. Through setting up the joint subassembly and directly fixing the workstation at clean angle, no longer need support the workstation with the hand, also more make things convenient for people to clear up the water box when saving strength.

Description

Biological safety cabinet

Technical Field

The application belongs to the technical field of medical appliances, and particularly relates to a biosafety cabinet.

Background

The biological safety cabinet is a box-type air purification negative pressure safety device capable of preventing aerosol from escaping from some dangerous or unknown biological particles in the experimental operation treatment process. The protective screen is widely applied to scientific research, teaching, clinical examination and production in fields of microbiology, biomedicine, genetic engineering, biological products and the like, and is the most basic safety protection equipment in the primary protective screen in laboratory biosafety.

The biological safety cabinet in the prior art comprises a box body and a workbench, wherein an accommodating space is formed in the box body and is divided into a filtering space and an operating space, the filtering space is positioned above the operating space, and an operating window communicated with the operating space is formed in a first side surface of the box body; the workbench is transversely arranged in the operation space, and a water receiving box is arranged at the bottom of the workbench and used for collecting sewage on the workbench.

However, in the above technical scheme, because the space at the bottom of the workbench and the water receiving box are all required to be cleaned regularly, and the workbench is made of stainless steel, the thickness is generally greater than 1.0mm, and the workbench is heavier, and the workbench is required to be lifted for a long time in the cleaning process, so that the cleaning is not only laborious but also inconvenient.

Disclosure of utility model

The application provides a biological safety cabinet, which is used for solving the problem that a water receiving box of the safety cabinet is inconvenient to clean in the prior art.

The utility model provides a biosafety cabinet, includes the cabinet body, workstation, water receiving box and joint subassembly, the internal portion of cabinet is provided with operating space, the lateral wall of box be provided with operating window of operating space intercommunication, the workstation set up in the operating space.

The clamping assembly comprises a clamping groove arranged on the workbench and a limiting block arranged in the operation space.

The water receiving box is arranged below the workbench and is used for receiving water falling from the workbench.

When the workbench is in an open state, one end, close to the operation window, of the workbench is lifted, one end, far away from the operation window, of the workbench is used as an axis to rotate, the limiting block is located on a rotating path of the clamping groove, and the limiting block is clamped into the clamping groove in the rotating process of the workbench so as to fix the workbench.

In the embodiment of the utility model, the side wall of the clamping groove is provided with a limiting groove, and the limiting block moves into the limiting groove from the clamping groove and is abutted with the upper groove wall of the limiting groove.

In an embodiment of the utility model, the workbench comprises a panel and a first supporting block connected with the panel, wherein the first supporting block is positioned at one end of the panel, which is close to the operation window, and the clamping groove is arranged in the first supporting block.

The bottom of the operation space is provided with a second supporting block, one end of the panel, which is far away from the operation window, is placed on the second supporting block, and the first supporting block and the second supporting block jointly support the panel so that the panel is kept horizontal.

In the embodiment of the utility model, the number of the clamping assemblies is two, and the clamping assemblies are respectively arranged at two opposite sides of the workbench.

In an embodiment of the utility model, the upper surface of the first support block is parallel to the upper surface of the panel.

In the embodiment of the utility model, the groove wall and the bottom wall of the limiting groove are arc-shaped.

In an embodiment of the present utility model, the clamping groove is horn-shaped.

In an embodiment of the utility model, a plurality of through holes are formed in one end, close to the operation window, of the workbench, and the water receiving box is located below the through holes.

In an embodiment of the present utility model, when the workbench is in an open state, an included angle between the workbench and the horizontal direction is greater than or equal to 30 ° and less than or equal to 60 °.

In an embodiment of the utility model, a handle is provided on the upper surface of the first support block, and the handle is used for lifting the workbench.

Those skilled in the art will appreciate that: the utility model provides a biosafety cabinet which comprises a cabinet body, a workbench, a water receiving box and a clamping assembly, wherein an operation space is arranged in the cabinet body, an operation window communicated with the operation space is arranged on the side wall of the cabinet body, and the workbench is arranged in the operation space. The clamping assembly comprises a clamping groove arranged on the workbench and a limiting block arranged in the operation space. The water receiving box is arranged below the workbench and is used for receiving water falling from the workbench. When the workbench is in an open state, one end of the workbench, which is close to the operation window, is lifted, the workbench rotates by taking one end, which is far away from the operation window, as an axle center, the limiting block is positioned on a rotating path of the clamping groove, and the limiting block is clamped into the clamping groove in the rotating process of the workbench so as to fix the workbench. The clamping assembly is arranged to directly fix the workbench at a cleaning angle, the workbench is not required to be supported by hands, the labor is saved, meanwhile, the workbench is more convenient to clean, and the workbench is simple in structure and easy to manufacture.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic diagram of a biosafety cabinet according to the present utility model;

FIG. 2 is a schematic diagram showing the results of an operation space in a biosafety cabinet according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

Fig. 4 is a schematic structural view of a limiting block in a clamping groove in a biosafety cabinet according to the utility model;

Fig. 5 is a schematic structural view of a limiting block in a limiting groove in a biosafety cabinet according to the utility model;

FIG. 6 is a top view of an operator's station in a biosafety cabinet according to the utility model;

FIG. 7 is a front view of a console in a biosafety cabinet according to the utility model;

Fig. 8 is a side view of an operator's station in a biosafety cabinet according to the utility model.

Reference numerals:

100-a cabinet body; 110-an operating space; 120-an operation window; 130-cabinet door;

200-working table; 210-a first support block; 220-a second support block; 230-panel; 240-through holes;

300-clamping assembly; 310-clamping groove; 320-limit grooves; 330-limiting blocks; 340-avoiding holes;

400-water receiving box;

500-handle.

Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present application, it should be understood that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "bottom", "front", "rear", etc., if any, are based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

The biological safety cabinet in the prior art comprises a box body and a workbench, wherein an accommodating space is formed in the box body and is divided into a filtering space and an operating space, the filtering space is positioned above the operating space and is used for filtering air entering the operating space, the operating space is used for providing a sterile environment and an operating platform for experiments, and an operating window communicated with the operating space is formed in the first side surface of the box body; the workbench is transversely arranged in the operation space, and a water receiving box is arranged at the bottom of the workbench and used for collecting sewage on the workbench.

At present, the cleaning of the biological safety cabinet aiming at the water box is generally as follows: the front end of the workbench is lifted by one hand, and the water receiving box is wiped by the other hand, so that the workbench is always lifted by the hand in the cleaning process, and the workbench is laborious and inconvenient to clean; or after the front end of the workbench is lifted, the front end of the workbench is supported by a supporting rod, and the supporting rod has the risk of sliding down and has high risk coefficient; or directly take out the worktable in the cabinet body, the worktable is heavier and difficult to carry.

In view of the above, the present utility model provides a biosafety cabinet that is labor-saving and convenient to clean, and the present utility model will be described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a biosafety cabinet according to the present utility model; FIG. 2 is a schematic diagram showing the results of an operation space in a biosafety cabinet according to the present utility model; FIG. 3 is an enlarged view of FIG. 2 at A; fig. 4 is a schematic structural view of a limiting block in a clamping groove in a biosafety cabinet according to the utility model; fig. 5 is a schematic structural view of a limiting block in a limiting groove in a biosafety cabinet according to the utility model; FIG. 6 is a top view of an operator's station in a biosafety cabinet according to the utility model; FIG. 7 is a front view of a console in a biosafety cabinet according to the utility model; fig. 8 is a side view of an operator's station in a biosafety cabinet according to the utility model.

Referring to fig. 1, 2 and 3, the present utility model provides a biosafety cabinet, which includes a cabinet body 100, a workbench 200, a water receiving box 400 and a clamping assembly 300, wherein an operation space 110 is provided in the cabinet body 100, an operation window 120 communicating with the operation space 110 is provided on a side wall of the cabinet body, and the workbench 200 is provided in the operation space 110. The top of the operation space 110 is further provided with a filtering space, and a filtering system is arranged in the filtering space and is used for filtering air entering the operation space 110 from the outside, so that the operation space 110 maintains a sterile environment.

Wherein, the operation window 120 is provided with a cabinet door 130 capable of moving up and down, and the cabinet door 130 is a glass door.

The clamping assembly 300 includes a clamping groove 310 disposed on the workbench 200 and a limiting block 330 disposed in the operation space 110. The workbench 200 is horizontally disposed at the bottom of the operation space 110, the limiting block 330 is mounted on a side wall of the operation space 110, and is welded or detachably connected with a side wall of the socket space, and the detachable connection comprises clamping connection or bolting connection. The opening width of the clamping groove 310 is larger than the diameter of the limiting block 330.

The limiting block 330 is rectangular, and at least a portion of the limiting block 330 is clamped into the clamping groove.

Referring to fig. 6 again, the side wall of the slot 310 is provided with a avoiding hole 340, and the stopper 330 enters from the opening of the slot 310 and moves into the slot 310 along the avoiding hole 340.

The water receiving box 400 is disposed below the table 200 for receiving water falling from the table 200. The material of the water receiving box 400 is a plastic box or a metal box.

When the workbench 200 is in the open state, the end of the workbench 200 close to the operation window 120 is lifted, the workbench 200 rotates with the end far away from the operation window 120 as the axis, the limiting block 330 is located on the rotating path of the clamping groove 310, and the limiting block 330 is clamped into the clamping groove 310 during the rotation of the workbench 200, so as to fix the workbench 200. It should be noted that the stopper 330 moves along the escape hole 340 during the process of entering the card slot 310.

As shown in fig. 4 and 5, in the embodiment of the present utility model, a limiting groove 320 is provided on a side wall of the clamping groove 310, and a limiting block 330 moves from the clamping groove 310 into the limiting groove 320 and abuts against an upper groove wall of the limiting groove 320. The limiting groove 320 is perpendicular to the groove wall of the clamping groove 310.

For example, in other embodiments, the clamping manner of the clamping groove 310 and the limiting block 330 is that the limiting block 330 is directly clamped through the structure of the clamping groove 310, and the limiting groove 320 is not required to be adopted.

Referring to fig. 6, 7 and 8, in the embodiment of the present utility model, the workbench 200 includes a panel 230 and a first support block 210 connected to the panel 230, the first support block 210 is located at one end of the panel 230 near the operation window 120, and the clamping groove 310 is disposed in the first support block 210. The first support block 210 has a thickness greater than that of the panel 230 in order to support the panel 230.

In the above technical solution, the panel 230 and the first supporting block 210 are integrally formed, and the length of the first supporting block 210 is the same as the length of the panel 230.

The bottom of the operation space 110 is provided with a second support block 220, and an end of the panel 230 remote from the operation window 120 is placed on the second support block 220, and the first support block 210 and the second support block 220 support the panel 230 together so that the panel 230 is maintained horizontal. The panel 230 is not fixedly connected with the second supporting block 220, so that the workbench 200 is not affected by the second supporting block 220 in the lifting process, and the workbench 200 is ensured to be opened and closed.

In the embodiment of the utility model, the number of the clamping assemblies 300 is two, and the clamping assemblies are respectively arranged at two opposite sides of the workbench 200.

In the above technical solution, the two clamping assemblies 300 on two sides together form a support for the workbench 200, so as to ensure the stability of the support.

In an embodiment of the present utility model, the upper surface of the first support block 210 is parallel to the upper surface of the panel 230. Making the table 200 look flatter and convenient to handle.

In the embodiment of the present utility model, both the groove wall and the bottom wall of the limiting groove 320 are arc-shaped. When the limiting block 330 is clamped into the limiting groove 320, the limiting block 330 contacts with the upper side wall of the limiting groove 320 under the action of gravity of the workbench 200, and the arc-shaped groove wall of the limiting groove 320 can enable the fixing between the limiting block 330 and the limiting groove 320 to be more stable, so that the limiting block 330 is prevented from sliding along the limiting groove 320.

In the embodiment of the present utility model, the clamping groove 310 is horn-shaped. When the workbench 200 is lifted, the limiting block 330 is not necessarily directly clamped into the clamping groove 310, so that the clamping groove 310 is configured into a horn shape to increase the opening width of the clamping groove 310, so that the limiting groove 320 is more easily clamped into the clamping groove 310.

In the embodiment of the present utility model, a plurality of through holes 240 are provided at one end of the table 200 near the operation window 120, and the water receiving case 400 is positioned below the through holes 240. The plurality of through holes 240 are arranged at intervals, so that sewage on the surface of the table 200 can enter the water receiving box 400 from the through holes 240 more quickly.

In the embodiment of the present utility model, when the table 200 is in the open state, the angle between the table 200 and the horizontal direction is greater than or equal to 30 ° and less than or equal to 60 °. The position of the table 200 may also be adjusted according to the height of the glass door of the operation window 120.

As shown in fig. 6, in the embodiment of the present utility model, the upper surface of the first support block 210 is provided with a handle 500, and the handle 500 is used to lift the table 200.

Illustratively, the top of the operation space 110 is further provided with a filtering system, the filtering system comprises a wind box, a fan and a filter, wherein the fan and the filter are all installed inside the wind box, an air outlet of the wind box is communicated with the top of the operation space, an air inlet of the wind box is arranged at the top of the box body and is communicated with the outside, and outside air enters the wind box from the air inlet and enters the operation space from the air outlet after being filtered by the filter.

As shown in connection with fig. 3, 4 and 5, the present patent is to solve the inconvenience in cleaning the water receiving cartridge 400. Mainly, the limiting blocks 330 are installed on the left and right sides of the operation space 110. Clamping grooves 310 matched with limiting blocks 330 are formed in the left side and the right side of the workbench 200.

When the water receiving box 400 needs to be cleaned, the front end of the workbench 200 is pulled up, the rear end of the workbench 200 rotates with the second supporting block 220 as the axis, when the front end of the workbench 200 rotates to a preset height, the limiting block 330 enters the clamping groove 310, the workbench 200 is pulled outwards again, the limiting block 330 moves from the clamping groove 310 to the limiting groove 320, and at the moment, under the action of gravity, the limiting block 330 abuts against the upper side wall of the limiting groove 320, namely, the front end of the workbench 200 is hung by the limiting block 330.

At this time, the cleaning space for cleaning the water receiving box 400 is left at the bottom of the front end of the working table 200, and the worker directly stretches his hand into the cleaning space to wipe the water receiving box 400. Meanwhile, when the fan of the safety cabinet is operated, the water receiving box 400 can be cleaned, so that the workbench 200 can be prevented from being taken out of the cabinet. Because of the virus on the table 200, if the virus is not killed in place, the virus may overflow when the table 200 is removed.

The limiting block 330 is installed in the operation space 110, and the clamping groove 310 is designed on the workbench 200 and is matched with the workbench, so that the front end of the workbench 200 can be suspended, and the space for cleaning the water receiving box 400 is reserved. The table 200 does not need to be removed from the cabinet to prevent unwanted aerosol from spilling out. The utility model has simple structure and is easy to produce and manufacture.

While the present application has been described with reference to the preferred embodiments shown in the drawings, it will be readily understood by those skilled in the art that the scope of the application is not limited to those specific embodiments, and the above examples are intended only to illustrate the technical aspects of the application, not to limit it; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on something" but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

Claims

1. The biosafety cabinet is characterized by comprising a cabinet body, a workbench, a clamping assembly and a water receiving box, wherein an operation space is arranged in the cabinet body, an operation window communicated with the operation space is arranged on the side wall of the cabinet body, and the workbench is arranged in the operation space;

The clamping assembly comprises a clamping groove arranged on the workbench and a limiting block arranged in the operation space;

The water receiving box is arranged below the workbench and is used for receiving water falling from the workbench;

2. The biosafety cabinet according to claim 1, wherein a limiting groove is provided on a side wall of the clamping groove, and the limiting block moves from the clamping groove into the limiting groove and abuts against an upper groove wall of the limiting groove.

3. The biosafety cabinet according to claim 2, wherein the workbench comprises a panel and a first supporting block connected with the panel, the first supporting block is positioned at one end of the panel near the operation window, and the clamping groove is arranged in the first supporting block;

4. A biosafety cabinet according to claim 3, wherein the number of the clamping assemblies is two, and the clamping assemblies are respectively arranged at two opposite sides of the workbench.

5. A biosafety cabinet according to claim 3, wherein an upper surface of the first support block is parallel to an upper surface of the panel.

6. The biosafety cabinet of claim 5 wherein the slot walls and bottom wall of the limit slot are both arcuate.

7. The biosafety cabinet of claim 6 wherein said clip slot is horn-shaped.

8. The biosafety cabinet according to any one of claims 1-7, wherein a plurality of through holes are provided at an end of the table near the operation window, and the water receiving box is located below the through holes.

9. The biosafety cabinet according to any one of claims 1-7, wherein an angle of the table to a horizontal direction is greater than or equal to 30 ° and less than or equal to 60 ° when the table is in an open state.

10. The biosafety cabinet according to any one of claims 3-7, wherein an upper surface of the first support block is provided with a handle.