Clean bench with front window with adjustable inclination angle

Abstract

The clean bench comprises a cabinet body, a fan, a primary filter, a high-efficiency filter and a power source, a window moving system is arranged on the front side of the cabinet body, the window moving system comprises a window moving box body, a movable window and sliding mechanisms on the two sides, and the movable window is arranged in the cabinet body. The movable window is characterized in that an angle adjusting mechanism is arranged on the movable window box body and comprises a hinge arranged at the top of the movable window box body, side wings with the two sides connected with the cabinet body side plates and a locking structure arranged at the bottom, and the movable window box body is opened outwards with the hinge as a rotating shaft and is fixed through the locking structure. Through the arrangement of the angle adjusting mechanism, the opening angle of the fixed sliding window box body can be adjusted, a comfortable observation visual angle is provided for users with different heights and different habits, and the working fatigue is relieved.

Description

Technical Field

[0001] The utility model relates to a clean workbench, in particular to a clean workbench with a front window having an adjustable tilt angle. Background Art

[0002] A clean bench is an air purification device that provides a localized dust-free and sterile working environment. It also uses special filtration channels to manually control the emission of contaminated air within the work area to prevent harm to people and the environment. It is a safe, microbiologically-specific clean bench and is widely used in biological laboratories, healthcare, biopharmaceuticals, and other related industries to improve process conditions.

[0003] The clean bench primarily consists of a cabinet, fan, primary filter, HEPA filter, and power supply. The cabinet features a removable glass window on the front. During operation, the fan draws air in, passes through a static pressure box, and filters it through the HEPA filter. The filtered clean air is then discharged in a vertical or horizontal airflow, ensuring that the operating area maintains Class 100 cleanliness under clean air control, creating a sterile, highly clean work environment.

[0004] The glass windows of the clean bench are usually arranged vertically at 0° or tilted, such as Figure 1 As shown, the glass panel is at a certain angle to the operator's line of sight. During normal experimental operations, due to differences in height and working habits of operators, this tilt angle also has different requirements. The current fixed angle cannot meet the needs of different groups of people. Summary of the Invention

[0005] The purpose of the utility model is to provide a clean workbench with a front window with an adjustable tilt angle. Through structural improvement, the tilt angle of the front glass window can be freely adjusted to meet the observation and operation needs of different groups of people, improve work comfort, and be more ergonomic in operating posture.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a clean workbench with a front window with an adjustable tilt angle, including a cabinet, a fan, a primary filter, a high-efficiency filter and a power supply. A sliding window system is provided on the front side of the cabinet, and the sliding window system includes a sliding window box, a movable window and sliding mechanisms on both sides. The sliding window box is provided with an angle adjustment mechanism, including a hinge arranged at the top of the sliding window box, side wings connected to the side panels of the cabinet on both sides, and a locking structure arranged at the bottom. The sliding window box uses the hinge as a rotating axis, opens outward and is fixed by the locking structure.

[0007] In the above technical solution, the side wing is a fan-shaped plate, one end of which is fixed to the sliding window box body and the other end is a free end. The locking structure is arranged below the fan-shaped plate to limit the positional relationship between the free end and the cabinet body.

[0008] In the above technical solution, the locking structure includes an arc-shaped guide groove arranged on the cabinet body and a slide bar arranged on the fan-shaped plate, which are plugged into each other. Several lock holes are provided along the extension direction of the arc-shaped guide groove, and the slide bar is provided with a protrusion that cooperates with the lock hole positions.

[0009] Furthermore, the locking structure includes an arc-shaped guide groove provided on the cabinet body, an arc-shaped long hole provided on the fan-shaped plate, and a locking screw. A plurality of locking hole positions are provided in the arc-shaped guide groove, and the fan-shaped plate is fixed to the locking hole positions by the locking screw passing through the arc-shaped long hole.

[0010] Another technical solution is that the side wing is a flexible foldable structure, which is connected between the cabinet body and the side of the sliding window box body.

[0011] In the above technical solution, an extension plate is provided on the outer side of the operating platform on the cabinet body, and the extension plate is located below the sliding window box body to close the gap between the sliding window box body and the cabinet body after the sliding window box body is opened outwards.

[0012] Furthermore, one end of the extension plate is connected to the operating platform through a lower hinge, and the other end is a free end. The left and right end surfaces of the extension plate cooperate with the left and right lower side panels of the cabinet, and the free end is folded down and stored under the operating platform.

[0013] Another technical solution is that the extension plate is a multi-section telescopic plate, which matches the sliding window box in the open state and is stored in the operating platform in the retracted state.

[0014] In the above technical solution, the outward opening angle range of the sliding window box is 0° to 10°.

[0015] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] 1. The center-sliding window box of this utility model can be opened outward to a certain angle through an angle-adjustable mechanism, so that the angle of the movable window is suitable for the observer's perspective and the operator's comfort is improved;

[0017] 2. The side wing structure of the sliding window box closes the gap after the sliding window box is opened, and the locking structure at the bottom limits the opening angle of the sliding window box, stabilizing the window viewing angle to meet the various viewing angle requirements of different users;

[0018] 3. The use of extension plates can better seal the clean environment inside the clean workbench. Whether it is flip-type or retractable, it is for the purpose of easy storage and can adapt to the needs of different working conditions;

[0019] 4. The utility model has a simple structure and is easy to implement. It can be used in clean workbenches and biological safety cabinets and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of an embodiment of the present utility model;

[0021] Figure 2 It is a schematic diagram of an embodiment of the present invention in an open state.

[0022] Among them: 1. Cabinet body; 2. Fan; 2. Primary filter; 4. High-efficiency filter; 5. Sliding window box; 6. Movable window; 7. Hinge; 8. Side wing; 9. Arc guide groove; 10. Slide bar; 11. Lock hole; 12. Operating platform; 13. Extension plate; 14. Lower hinge. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0024] Example: See Figures 1-2 As shown, a clean workbench with a front window with an adjustable tilt angle includes a cabinet 1, a fan 2, a primary filter 3, a high-efficiency filter 4 and a power supply. A sliding window system is provided on the front side of the cabinet 1, and the sliding window system includes a sliding window box 5, a movable window 6 and sliding mechanisms on both sides. The sliding window box 5 is provided with an angle adjustment mechanism, including a hinge 7 arranged at the top of the sliding window box 5, side wings 8 connected to the cabinet side panels on both sides, and a locking structure arranged at the bottom. The sliding window box 5 uses the hinge 7 as a rotating axis, opens outward and is fixed by the locking structure. The outward opening angle range of the sliding window box 5 is 0°~10°, which can be freely adjusted within this range according to the needs of the user.

[0025] like Figure 2 As shown, the side wing 8 is a fan-shaped plate (the plate here can be a hard plate with the same material as the cabinet body 1), one end of which is fixed to the sliding window box body 5, and the other end is a free end. The locking structure is arranged below the fan-shaped plate to limit the positional relationship between the free end and the cabinet body 1.

[0026] The locking structure may include an arcuate guide groove 9 provided on the cabinet body 1 and a slide bar 10 provided on the fan-shaped plate, which are plugged together. Lock holes 11 are provided from point A to point K along the extension direction of the arcuate guide groove 9. The slide bar 10 is provided with a protrusion that cooperates with the lock holes 11. After the sliding window box 5 is moved, the protrusion is snapped into the lock hole 11 to achieve positioning.

[0027] The locking structure can also be: including an arc-shaped guide groove 9 arranged on the cabinet body 1, an arc-shaped long hole arranged on the fan-shaped plate and a locking screw, and a plurality of locking hole positions 11 are provided in the arc-shaped guide groove 9, and the fan-shaped plate is fixed to the locking hole position 11 by the locking screw passing through the arc-shaped long hole.

[0028] Alternatively, the side wing 8 is a flexible foldable structure, such as a silicone material, which is connected between the cabinet body and the side of the sliding window box body 5. When positioning, the folding support rod in the existing technology can be used to connect the cabinet body 1 and the sliding window box body 5 respectively.

[0029] like Figure 1 、 2 As shown, an extension plate 13 (front window table) is provided on the outside of the operating platform 12 on the cabinet 1. The extension plate 13 is located below the sliding window box 5 to close the gap between the sliding window box 5 and the cabinet 1 after it is opened outward.

[0030] In this embodiment, one end of the extension plate 13 is connected to the operating platform 12 through a lower hinge 14, and the other end is a free end. The left and right end faces of the extension plate 13 cooperate with the left and right lower side panels of the cabinet 1, and the free end is folded down and stored under the operating platform 12.

[0031] Alternatively, the extension plate 13 is a multi-section telescopic plate, which matches the sliding window box in an open state and is stored in the operating platform in a retracted state.

[0032] In the embodiment, lock holes 11 are provided on both sides of the main body of the clean workbench, respectively from point A to point K. The sliding window system is fixed to the main body of the clean workbench through the top hinge 7, and can be flipped up and down through the hinge 7; the angle adjustment mechanisms on the left and right sides of the bottom of the sliding window system are fixed to points A to K of the main body of the clean workbench through locking screws. When the locking screw is fixed at point A, the extension plate 13 is in a 0° flipped and retracted state, at which time the sliding window system is in a vertical state, and the movable window is tilted at 0°. When the locking screw is fixed at point K, the extension plate 13 is expanded 180° through the lower hinge 14, at which time the sliding window system is tilted at 10°. When the locking screws are fixed at points B to L, respectively, the tilt angles of the sliding window system correspond to 1°, 2°...9°, respectively, forming multi-point adjustment to meet the needs of different users.

Claims

1. A clean workbench with an adjustable front window angle, comprising a cabinet, a fan, a primary filter, a high-efficiency filter, and a power supply. A sliding window system is provided on the front side of the cabinet, comprising a sliding window housing, a movable window, and sliding mechanisms on both sides. The system is characterized by: The sliding window box is provided with an angle adjustment mechanism, including a hinge arranged at the top of the sliding window box, side wings connected to the cabinet side panels on both sides, and a locking structure arranged at the bottom. The sliding window box uses the hinge as a rotating axis, opens outward and is fixed by the locking structure.

2. The clean workbench with a front window having an adjustable tilt angle according to claim 1, characterized in that: The side wing is a fan-shaped plate, one end of which is fixed to the sliding window box body and the other end is a free end. The locking structure is arranged below the fan-shaped plate to limit the positional relationship between the free end and the cabinet body.

3. The clean workbench with a front window having an adjustable tilt angle according to claim 2, characterized in that: The locking structure includes an arc-shaped guide groove arranged on the cabinet body and a slide bar arranged on the fan-shaped plate, which are plugged into each other. Several lock holes are provided along the extension direction of the arc-shaped guide groove, and the slide bar is provided with a protrusion that cooperates with the lock holes.

4. The clean workbench with a front window having an adjustable tilt angle according to claim 2, characterized in that: The locking structure includes an arc-shaped guide groove arranged on the cabinet body, an arc-shaped long hole arranged on the fan-shaped plate and a locking screw. A plurality of locking hole positions are provided in the arc-shaped guide groove, and the fan-shaped plate is fixed to the locking hole positions by the locking screw passing through the arc-shaped long hole.

5. The clean workbench with a front window having an adjustable tilt angle according to claim 1, characterized in that: The side wing is a flexible foldable structure, which is connected between the cabinet body and the side of the sliding window box body.

6. The clean workbench with a front window having an adjustable tilt angle according to claim 1, characterized in that: An extension plate is provided on the outer side of the operating platform on the cabinet body. The extension plate is located below the sliding window box body and closes the gap between the sliding window box body and the cabinet body after the sliding window box body is opened outwards.

7. The clean workbench with a front window having an adjustable tilt angle according to claim 6, characterized in that: One end of the extension plate is connected to the operating platform through a lower hinge, and the other end is a free end. The left and right end surfaces of the extension plate cooperate with the left and right lower side panels of the cabinet, and the free end is folded down and stored under the operating platform.

8. The clean workbench with a front window having an adjustable tilt angle according to claim 6, characterized in that: The extension plate is a multi-section telescopic plate, which matches the sliding window box in the open state and is stored in the operating platform in the retracted state.

9. The clean workbench with a front window having an adjustable tilt angle according to claim 1, characterized in that: The outward opening angle range of the sliding window box is 0° to 10°.

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