Biosafety cabinet capable of testing wind direction

Abstract

The utility model relates to the technical field of biological safety cabinets, in particular to a biological safety cabinet capable of testing wind direction, which comprises a safety cabinet body, a storage box is fixedly arranged at the top of the safety cabinet body, a movable opening is arranged at the top of the storage box, and a top cover is movably arranged at the top of the movable opening. A lifting handle is fixedly arranged at the top of the top cover, and fixing blocks are fixedly arranged at the upper end and the lower end of the inner wall of the top cover. According to the biological safety cabinet capable of testing the wind direction, a motor runs to drive a lead screw to rotate, so that a sliding block in threaded connection with the lead screw can move up and down, a lifting plate is driven to move up and down, when the wind direction needs to be tested, the lifting plate is lifted to the top, a base is exposed out of the storage box, and a wind indicator is located at the top of the storage box; by means of the design, it is ensured that the direction and the speed of airflow in the device meet the standard requirements by detecting the wind direction, and therefore the safety of experimenters and experiment samples is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to biological safety cabinet technical field, concretely is a biological safety cabinet that can test wind direction. BACKGROUND

[0002] At present, biological safety cabinet is widely used in medical health, disease prevention and control, food hygiene, biological pharmacy, environmental monitoring and all kinds of biological laboratory etc. field, and biological safety cabinet is a kind of box type air purification negative safety device that can prevent some biological particles containing danger or unknownness in the process of experimental operation and handling from aerosol diffusion.

[0003] A biological safety cabinet is disclosed in Chinese utility model patent application publication specification CN219879947U, and the biological safety cabinet includes a cabinet body, a cabinet door, a traction assembly and a cabinet door anti-falling assembly, the cabinet body has an operation window on the side, the traction assembly includes a traction rope, and the traction rope is connected to the cabinet door to close or open the operation window;The cabinet door anti-falling assembly includes a rotating unit and a blocking strip, the rotating unit includes a rotating piece, the rotating piece is rotatably connected to the cabinet body, the blocking strip is fixedly connected to the cabinet door, the rotating piece rotates around a horizontal shaft, the extension direction of the blocking strip is consistent with the lifting direction of the cabinet door, the blocking strip has a plurality of blocking notches, the plurality of blocking notches are arranged at intervals along the extension direction of the blocking strip, and the rotating piece includes a blocking piece, the blocking piece is configured to rotate with the rotating piece when the traction rope breaks to insert into the blocking notch. The safety factor of the biological safety cabinet of the utility model is higher when used, but the device cannot conveniently observe the wind direction outside the device, the air tightness of the device cannot be evaluated, and the safety of the operator cannot be guaranteed if the air tightness of the device is not strict. Therefore, we provide a biological safety cabinet that can test wind direction. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a biological safety cabinet that can test wind direction to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A biological safety cabinet that can test wind direction, including safety cabinet body, the top of safety cabinet body is fixedly provided with the storage box, the top of storage box is provided with the movable mouth, the top of movable mouth is movably provided with the top cover, the top of top cover is fixedly provided with the pull handle, the inner wall of top cover is fixedly provided with fixed block on both ends, the inside of fixed block is rotatably connected with lead screw, the bottom of storage box is fixedly provided with motor, the output end of motor is fixedly connected with one end of lead screw, the inside of storage box is movably provided with lifting plate, the top of lifting plate is fixedly provided with base.

[0007] Preferably, the top of the base is fixedly provided with a bearing, and the inside of the bearing is rotatably connected with a rotating column.

[0008] Through the above scheme, the rotating column can rotate through the setting of the bearing.

[0009] Preferably, the top of the rotating column is fixedly provided with a wind vane, and the two ends of the lifting plate are fixedly provided with sliding blocks.

[0010] Through the above scheme, the direction of the wind is tested through the rotation of the wind vane through the setting of the wind vane.

[0011] Preferably, the inside of the sliding block is provided with a sliding hole, and the lead screw penetrates through the sliding hole and is in threaded connection with the sliding block.

[0012] Through the above scheme, the sliding block can move up and down along with the rotation of the lead screw through the setting of the sliding hole.

[0013] Preferably, the other two ends of the lifting plate are fixedly provided with clamping blocks, and the inside of the safe box is provided with clamping grooves on the two sides.

[0014] Through the above scheme, the clamping blocks can be clamped in the clamping grooves through the setting of the clamping grooves, and the lifting plate is limited.

[0015] Preferably, the clamping blocks are movable in the clamping grooves, and one side of the safe cabinet body is rotatably connected with a movable door through a hinge.

[0016] Through the above scheme, the movable door is convenient to open the safe cabinet body.

[0017] Preferably, one side of the movable door is fixedly provided with a glass window, the bottom of the safe cabinet body is fixedly provided with a supporting table, and the bottom of the supporting table is fixedly provided with supporting legs at four corners.

[0018] Through the above scheme, the device can be supported through the setting of the supporting legs, and it is convenient for the staff to operate.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The biological safety cabinet capable of testing the wind direction drives the lead screw to rotate through the rotation of the motor, so that the sliding block in threaded connection with the lead screw can move up and down, thereby driving the lifting plate to move up and down, when the wind direction needs to be tested, the lifting plate is lifted to the top, the base is exposed inside the safe box, and the wind vane is located at the top of the safe box, so as to detect the wind direction, through the above design, the airflow direction and speed inside are ensured to meet the standard requirements through the detection of the wind direction, so as to protect the safety of the experimental personnel and the experimental sample.

[0021] 2. The biological safety cabinet can test the wind direction, when the biological safety cabinet is not used, the lead screw rotates, so that the lifting plate descends, the wind vane is retracted to the inside of the storage box, then the top of the storage box is covered by pulling the handle, external dust is prevented from entering the storage box to pollute the inside, and the wind vane is also protected. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic view of the utility model;

[0023] Figure 2 It is the inside structure schematic view of the storage box of the utility model;

[0024] Figure 3 It is the lifting plate and sliding block schematic view of the utility model;

[0025] Figure 4 It is the clamping groove schematic view of the utility model.

[0026] In the drawing: 1, safety cabinet body; 2, storage box; 3, movable mouth; 4, top cover; 5, pull handle; 6, fixed block; 7, lead screw; 8, motor; 9, lifting plate; 10, base; 11, bearing; 12, rotating column; 13, wind vane; 14, sliding block; 15, sliding hole; 16, clamping block; 17, clamping groove; 18, movable door; 19, glass window; 20, support table; 21, support leg. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0029] A biological safety cabinet capable of testing wind direction, comprising a safety cabinet body 1, a storage box 2 is fixedly arranged at the top of the safety cabinet body 1, a movable mouth 3 is formed at the top of the storage box 2, a top cover 4 is movably arranged at the top of the movable mouth 3, a pull handle 5 is fixedly arranged at the top of the top cover 4, fixed blocks 6 are fixedly arranged on the inner wall of the top cover 4 at both ends, a lead screw 7 is rotatably connected in the fixed blocks 6, a motor 8 is fixedly arranged at the bottom of the storage box 2, the output end of the motor 8 is fixedly connected with one end of the lead screw 7, a lifting plate 9 is movably arranged in the storage box 2, and a base 10 is fixedly arranged at the top of the lifting plate 9.

[0030] The motor 8 is operated to drive the screw rod 7 to rotate, so that the lifting plate 9 can be lifted up and down through the sliding block 14. When the wind vane 13 is retracted into the storage box 2, the storage box 2 is covered to prevent dust from falling into the storage box 2.

[0031] In this embodiment, preferably, the top of the base 10 is fixedly provided with a bearing 11, the inside of the bearing 11 is rotatably connected with a rotating column 12, the top of the rotating column 12 is fixedly provided with a wind vane 13, both ends of the lifting plate 9 are fixedly provided with a sliding block 14, the inside of the sliding block 14 is provided with a sliding hole 15, the screw rod 7 penetrates through the sliding hole 15 and is threadedly connected with the sliding block 14, the other two ends of the lifting plate 9 are fixedly provided with a clamping block 16, both sides of the inside of the storage box 2 are provided with a clamping groove 17, the clamping block 16 is movable in the clamping groove 17, one side of the safety cabinet body 1 is rotatably connected with a movable door 18 through a hinge, one side of the movable door 18 is fixedly provided with a glass window 19, the bottom of the safety cabinet body 1 is fixedly provided with a supporting table 20, the bottom of the supporting table 20 is fixedly provided with a supporting leg 21 at four corners.

[0032] Through the above scheme, the setting of the bearing 11 enables the rotating column 12 to rotate, the setting of the wind vane 13 enables the direction of the wind to be tested through the rotation of the wind vane 13, the setting of the sliding hole 15 enables the sliding block 14 to move up and down with the rotation of the screw rod 7, the setting of the clamping groove 17 enables the clamping block 16 to be clamped in the clamping groove 17, which limits the lifting plate 9, the setting of the movable door 18 facilitates the opening of the safety cabinet body 1, and the setting of the supporting leg 21 enables the device to be supported, which is convenient for the relevant operation of the staff.

[0033] When the biological safety cabinet for testing the direction of the wind is used, the motor 8 is operated to drive the screw rod 7 to rotate, so that the sliding block 14 threadedly connected with the screw rod 7 can move up and down, thereby driving the lifting plate 9 to move up and down. When the direction of the wind needs to be tested, the lifting plate 9 is lifted to the top, so that the base 10 is exposed inside the storage box 2, and the wind vane 13 is located at the top of the storage box 2, thereby detecting the direction of the wind. Through the above design, the direction and speed of the airflow inside the biological safety cabinet are ensured to meet the standard requirements through the detection of the direction of the wind, thereby protecting the safety of the experimental personnel and the experimental sample. When the biological safety cabinet is not used, the screw rod 7 is rotated to make the lifting plate 9 descend, and the wind vane 13 is retracted into the inside of the storage box 2. Then the top of the storage box 2 is covered by pulling the handle 5, so as to avoid the external dust from entering the inside of the storage box 2 to pollute it, and also to protect the wind vane 13.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A biosafety cabinet capable of testing the direction of the wind, comprising a biosafety cabinet body (1), characterized in that: The top of the safe cabinet body (1) is fixedly provided with a storage box (2), the top of the storage box (2) is provided with a movable opening (3), the top of the movable opening (3) is movably provided with a top cover (4), the top of the top cover (4) is fixedly provided with a pull handle (5), the inner wall of the top cover (4) is fixedly provided with a fixed block (6) at the top and bottom, the inside of the fixed block (6) is rotatably connected with a lead screw (7), the bottom of the storage box (2) is fixedly provided with a motor (8), the output end of the motor (8) is fixedly connected with one end of the lead screw (7), the inside of the storage box (2) is movably provided with a lifting plate (9), the top of the lifting plate (9) is fixedly provided with a base (10).

2. The biological safety cabinet capable of testing wind direction according to claim 1, wherein: The top of the base (10) is fixedly provided with a bearing (11), the inside of the bearing (11) is rotatably connected with a rotating column (12).

3. The biological safety cabinet capable of testing wind direction according to claim 2, wherein: The top of the rotating column (12) is fixedly provided with a wind vane (13), the two ends of the lifting plate (9) are fixedly provided with a sliding block (14).

4. The biological safety cabinet capable of testing wind direction according to claim 3, wherein: The inside of the sliding block (14) is provided with a sliding hole (15), the lead screw (7) penetrates through the sliding hole (15) and is threadedly connected with the sliding block (14).

5. The biological safety cabinet capable of testing wind direction according to claim 4, wherein: The other two ends of the lifting plate (9) are fixedly provided with a clamping block (16), the inside of the storage box (2) is provided with a clamping groove (17) on both sides.

6. The biological safety cabinet capable of testing wind direction according to claim 5, wherein: The clamping block (16) is movably arranged in the clamping groove (17), one side of the safe cabinet body (1) is rotatably connected with a movable door (18) through a hinge.

7. The biological safety cabinet capable of testing wind direction according to claim 6, characterized in that: One side of the movable door (18) is fixedly provided with a glass window (19), the bottom of the safe cabinet body (1) is fixedly provided with a support table (20), the bottom of the support table (20) is fixedly provided with a support leg (21) at four corners.

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