Portable clean workbench

Abstract

The utility model discloses a portable clean bench, which relates to the technical field of workbenches, and comprises a fresh air device, two groups of fans are arranged in the fresh air device, a filter is arranged at one end of the fresh air device, two groups of cover plates are arranged at the top and the bottom of one end of the filter, two groups of side plates are arranged on two sides of one end of the filter, and the two groups of side plates are arranged on the top and the bottom of the other end of the filter. The two sides of the two sets of cover plates and the two sides of the two sets of side plates are provided with magnetic attraction strips with opposite poles attracted, and under the action of the magnetic attraction strips, the cover plates and the side plates are easy to disassemble and assemble. Under the action of the fan of the fresh air device, outside air is absorbed, the absorbed air enters the working bin after being filtered by the filter, the interior of the working bin can reach a certain clean grade, the working bin is formed by connecting and fixing two sets of cover plates and two sets of side plates through magnetic attraction strips, and the working bin is convenient to clean. The device is simple in structure, convenient to disassemble, transport and install, meets the requirements of testing and operation in non-fixed places, improves the applicability, and is wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of workbenches, in particular to a portable clean workbench. Background Art

[0002] A clean bench is a box-type air purification device that can provide a local dust-free, clean, and sterile working environment with a grade of 100 (ISO grade 5) for local operating environments. It is divided into horizontal unidirectional flow and vertical unidirectional flow according to the airflow pattern. It is widely used in biological laboratories, medical and health care, biopharmaceuticals and other related industries.

[0003] The working principle of the clean bench is to suck air through the fan, filter it through the static pressure box and high-efficiency filter. The filtered clean air is sent out in the state of vertical or horizontal airflow, so that the operating area can continuously reach 100-level cleanliness under the control of clean air, forming a sterile and highly clean working environment.

[0004] Existing clean workbenches are generally used in fixed laboratories or production sites. Due to their large size, they are difficult to install and relocate, making it difficult to meet the needs of testing and operations in non-fixed locations, reducing their overall applicability and limiting their scope of use. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a portable clean workbench to solve the technical problems in the prior art that the clean workbench is bulky, difficult to install and relocate, resulting in difficulty in meeting the needs of testing and operation in non-fixed locations, reducing the overall applicability and limiting the scope of use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable clean workbench, comprising a fresh air device, wherein two sets of fans are arranged inside the fresh air device;

[0007] A filter is provided at one end of the fresh air device, and the fresh air device and the filter are fixedly connected by double-sided sealant, and the double-sided sealant plays a role in fixing and sealing the fresh air device and the filter;

[0008] Two sets of cover plates are arranged at the top and bottom of one end of the filter, two sets of side plates are arranged at both sides of one end of the filter, and a foam sealing ring located inside the cover plate and the side plate is fixed on the outer side of one end of the filter, and the foam sealing ring plays a role in sealing and fitting the filter with the cover plate and the side plate;

[0009] The two sets of cover plates and the two sets of side plates are both provided with oppositely attracted magnetic strips, and the cover plates and the side plates are easy to disassemble and assemble under the action of the magnetic strips;

[0010] A control module is arranged at the center of the top of the fresh air device, and battery modules are arranged on both sides of the top of the fresh air device, and the control module, the battery module and the two sets of fans are electrically connected.

[0011] By adopting the above technical solution, the external gas is absorbed by the fan of the fresh air device, and the absorbed gas enters the working chamber after being filtered by the filter, so that the inside of the working chamber can reach a certain cleanliness level. The working chamber is composed of two groups of cover plates and two groups of side panels connected and fixed to each other by magnetic strips. The whole is easy to disassemble, transport and install, and at the same time meets the testing and operation requirements of non-fixed places, improves the overall applicability, and has a wide range of uses.

[0012] The utility model is further configured that connecting grooves are opened on both sides between the two groups of cover plates and the two groups of side plates, and connecting plates extending into the connecting grooves are fixed on both sides of one end of the filter.

[0013] By adopting the above technical solution, under the action of the connecting plate and the connecting groove, the connection between the filter and the working chamber is made tighter and more stable.

[0014] The utility model is further configured such that a filter plate is fixed at one end of the fresh air device, and a plurality of groups of filter holes are evenly arranged on the surface of the filter plate, a clamping plate extending into the interior of the fresh air device is fixed on both sides of one end of the filter plate, and a clamping groove matching the clamping plate is arranged on both sides of one end inside the fresh air device.

[0015] By adopting the above technical solution, the filter plate can perform preliminary filtration on large particles of impurities in the inhaled air flow to avoid the problem of large particles of impurities causing damage to the fan blades. With the cooperation of the snap plate and the snap groove, the connection between the filter plate and the fresh air filter can be made tighter and easy to disassemble.

[0016] To sum up, the utility model mainly has the following beneficial effects: the utility model absorbs external gas under the action of the fan of the fresh air fan, and the absorbed gas enters the working chamber after being filtered by the filter, so that the inside of the working chamber can reach a certain cleanliness level, wherein the working chamber is composed of two groups of cover plates and two groups of side panels connected and fixed to each other by magnetic strips, and the whole is easy to disassemble, transport and install, and at the same time meets the testing and operation in non-fixed places, improves the overall applicability, and has a wider range of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an exploded schematic diagram of the utility model as a whole;

[0018] Figure 2 It is a structural schematic diagram of the utility model from the first perspective;

[0019] Figure 3It is an enlarged cross-sectional view of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the utility model from a second viewing angle.

[0021] In the figure: 1. Fresh air device; 2. Filter; 3. Double-sided sealant; 4. Cover plate; 5. Side panel; 6. Magnetic strip; 7. Foam sealing ring; 8. Connecting plate; 9. Connecting groove; 10. Fan; 11. Control module; 12. Battery module; 13. Filter plate; 14. Clamping plate; 15. Clamping groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] A portable clean bench, such as Figure 1-4 As shown, it includes a fresh air device 1, and two sets of fans 10 are arranged inside the fresh air device 1;

[0025] A filter 2 is provided at one end of the fresh air device 1, wherein the filter 2 adopts an H13-level high-efficiency filter module, and the removal rate of 0.3um particles is as high as more than 99.99%, so that the cleanliness level in the working chamber reaches the requirements of ISO grade 5;

[0026] The fresh air device 1 and the filter 2 are fixedly connected by a double-sided sealant 3, and the double-sided sealant 3 plays a role in fixing and sealing the fresh air device 1 and the filter 2;

[0027] Two sets of cover plates 4 are provided at the top and bottom of one end of the filter 2, and two sets of side plates 5 are provided at both sides of one end of the filter 2. The cover plates 4 and side plates 5 constituting the working chamber are made of highly transparent, lightweight organic glass acrylic or plastic PVC, PC, PE, PP and other materials. The highly transparent material can provide a good operating field of view and can be used with the help of external environmental light sources, eliminating the need for internal light sources. The lightweight plate material greatly reduces the weight of the equipment compared with traditional metal materials;

[0028] A foam sealing ring 7 located inside the cover plate 4 and the side plate 5 is fixed to the outside of one end of the filter 2, and the foam sealing ring 7 plays a role in sealing the filter 2 with the cover plate 4 and the side plate 5;

[0029] The two sets of cover plates 4 and the two sets of side plates 5 together form a working chamber, and oppositely attracted magnetic strips 6 are arranged on both sides of the two sets of cover plates 4 and the two sets of side plates 5. Under the action of the magnetic strips 6, the cover plates 4 and the side plates 5 are easy to disassemble and assemble;

[0030] The fan 10 inhales fresh air from the outside, which flows into the working chamber after being filtered by the filter 2. The average wind speed in the working chamber is 0.2-0.5 m / s.

[0031] A control module 11 is provided at the center of the top of the fresh air device 1, wherein the control module 11 contains a control circuit board and a control button, thereby controlling and adjusting the start and stop and wind speed of the fan 10;

[0032] Battery modules 12 are arranged on both sides of the top of the fresh air device 1. The battery modules 12 can power the fan 10, so that the whole does not need to be connected to the external power supply equipment through the power line, and the overall portability is higher. The battery module 12 can adopt the direct charging mode or the charging mode of removing the battery module 12. It is also equipped with multiple battery modules 12, which increases the overall endurance.

[0033] The control module 11 , the battery module 12 and the two sets of fans 10 are electrically connected.

[0034] See also Figure 1 Connecting grooves 9 are provided on both sides between the two sets of cover plates 4 and the two sets of side plates 5, and connecting plates 8 extending to the inside of the connecting grooves 9 are fixed on both sides of one end of the filter 2. By setting the above structure, the utility model makes the connection between the filter 2 and the working chamber tighter and more stable under the action of the connecting plates 8 and the connecting grooves 9.

[0035] See also Figure 1 and Figure 4 A filter plate 13 is fixed at one end of the fresh air device 1, and a plurality of filter holes are evenly arranged on the surface of the filter plate 13. A snap-fitting plate 14 extending into the interior of the fresh air device 1 is fixed on both sides of one end of the filter plate 13, and snap-fitting grooves 15 matching with the snap-fitting plate 14 are arranged on both sides of one end of the fresh air device 1. The utility model sets the above structure, wherein the filter plate 13 can perform preliminary filtering on large particles of impurities in the inhaled air flow to avoid the problem of damage to the blades of the fan 10 caused by large particles of impurities. With the cooperation of the snap-fitting plate 14 and the snap-fitting groove 15, the connection between the filter plate 13 and the fresh air device 1 can be made tighter and easy to disassemble.

[0036] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A portable clean workbench, comprising a fresh air device (1), characterized in that: Two groups of fans (10) are arranged inside the fresh air device (1); A filter (2) is provided at one end of the fresh air device (1); two sets of cover plates (4) are provided at the top and bottom of one end of the filter (2); two sets of side plates (5) are provided at both sides of one end of the filter (2); and magnetic strips (6) of opposite polarities that attract each other are provided on both sides of the two sets of cover plates (4) and the two sets of side plates (5).

2. The portable clean bench according to claim 1, characterized in that: The fresh air device (1) and the filter (2) are fixedly connected via a double-sided sealant (3), and the double-sided sealant (3) plays a role in fixing and sealing the fresh air device (1) and the filter (2).

3. The portable clean bench according to claim 1, characterized in that: A foam sealing ring (7) located inside the cover plate (4) and the side plate (5) is fixed to the outside of one end of the filter (2), and the foam sealing ring (7) plays a role in sealing and fitting the filter (2) with the cover plate (4) and the side plate (5).

4. The portable clean bench according to claim 1, characterized in that: Connecting grooves (9) are provided on both sides between the two groups of cover plates (4) and the two groups of side plates (5), and connecting plates (8) extending into the connecting grooves (9) are fixed on both sides of one end of the filter (2).

5. The portable clean bench according to claim 1, characterized in that: A control module (11) is arranged at the center of the top of the fresh air device (1), battery modules (12) are arranged on both sides of the top of the fresh air device (1), and the control module (11), the battery module (12) and the two sets of fans (10) are electrically connected.

6. The portable clean bench according to claim 1, characterized in that: A filter plate (13) is fixed to one end of the fresh air device (1), and a plurality of groups of filter holes are evenly arranged on the surface of the filter plate (13).

7. The portable clean bench according to claim 6, characterized in that: A clamping plate (14) extending into the interior of the fresh air device (1) is fixed on both sides of one end of the filter plate (13), and a clamping groove (15) matching with the clamping plate (14) is provided on both sides of one end of the interior of the fresh air device (1).

Images