Laboratory purification device with filtering function

Abstract

The utility model discloses a laboratory purification device with a filtering function, which relates to the technical field of laboratory purification and comprises a purification box body, a motor is mounted at the top of the purification box body through two supporting rods, and the motor is lifted by the two supporting rods. And the output end of the motor is fixedly connected with a first rotating shaft penetrating into the purifying box body, and the outer side of the top end of the first rotating shaft is fixedly connected with a first gear. A second gear is driven by an electric telescopic rod to move upwards, so that the second gear is meshed with a first gear, then the first gear is driven by a motor to rotate, a second rotating shaft is driven to rotate through the second gear meshed with the first gear when the first gear rotates, and a third gear is driven to rotate when the second rotating shaft rotates. When the third gear rotates, a connecting rod is driven to move through a rack meshed with the third gear, when the connecting rod moves, a cleaning rod is driven to move through a mounting frame, and in the design, filtering holes in the filter screen can be cleaned when needed.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory purification, in particular to a laboratory purification device with a filtering function. Background Art

[0002] A laboratory is a place where experiments are conducted. It is the cradle of science and the source of scientific and technological development. It plays a very important role in the development of science and technology. However, laboratories produce toxic substances during use, so the air in the laboratory needs to be filtered and purified.

[0003] In a laboratory energy-saving purification device with filtering function, patent number CN220214351U, air is sucked in by starting the suction fan, and then the inhaled air is filtered through the filter element. At the same time, the air inlet tube and the suction fan are rotated by gears to improve the air suction efficiency.

[0004] However, in this device, the bottom of the inner side of the purification box cannot be cleaned, and the filter screen may be clogged after being used for a period of time, thereby reducing the purification efficiency. Utility Model Content

[0005] The utility model aims to provide a laboratory purification device with a filtering function in order to solve the problem that the bottom of the inner side of the purification box cannot be cleaned and the filter screen may be blocked after being used for a period of time, thereby reducing the purification efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory purification device with a filtering function, comprising a purification box, a motor is installed on the top of the purification box through two support rods, which can provide a power source, and the motor is lifted by the two support rods, the output end of the motor is fixedly connected to a first rotating shaft that runs through the interior of the purification box and can rotate, the outer side of the top of the first rotating shaft is fixedly connected to a first gear, which can be transmitted by meshing, the outer side of the first rotating shaft is fixedly connected to a first pulley below the first gear, which can be transmitted by a belt, the bottom of the first rotating shaft is fixedly connected to a disc, which can rotate, the disc The bottom of the disk is fixedly connected with a fixed shaft, which can play a role of connection and fixing. The bottom of the inner side of the purification box is fixedly connected with two supporting columns, which can play a role of support and connection. A connecting frame is slidably connected inside the supporting column, which can play a role of connection. Brushes are fixedly connected at both ends of the connecting frame to clean the bottom of the inner side of the purification box. The top of the purification box is located on one side of the motor and is rotatably connected to a first air intake fan, which can suck air into the purification box. A second air intake fan is fixedly connected to one side of the first air intake fan, which can suck air into the purification box. A second pulley is fixedly connected to the outer side of the bottom end of the first air intake fan, which can be driven by a belt.

[0007] As a further solution of the utility model: a second rotating shaft that runs through the interior of the purification box is rotatably connected at the middle position of the top of the purification box and can be rotated; an electric telescopic rod is installed on the top of the second rotating shaft, which can be extended or shortened; the top of the electric telescopic rod is fixedly connected with a second gear, which can be meshed with the first gear for transmission; the outer side of the bottom end of the second rotating shaft is fixedly connected with a third gear, which can be transmitted through meshing; the bottom of the inner side of the purification box is slidably connected with a connecting rod, which can play a connecting role; one side of the connecting rod is fixedly connected with a rack that meshes with the third gear, which can be meshed with the third gear for transmission; the interior of the purification box is slidably connected with a mounting bracket, which can play a supporting and fixing role; the mounting bracket is fixedly connected to the connecting rod, and one side of the mounting bracket is fixedly connected with a cleaning rod, which can clean the filter holes on the filter screen.

[0008] As a further solution of the utility model: a filter is fixedly connected to one side of the interior of the purification box, which can filter the air. The filter is provided with filter holes. An air outlet groove is provided on one side of the purification box to discharge the purified air. An observation port is provided on the other side of the purification box to observe the interior of the purification box.

[0009] As a further solution of the utility model: belts are arranged on the outer sides of the first belt pulley and the second belt pulley, and the first belt pulley and the second belt pulley can be driven by the belts.

[0010] As a further solution of the utility model: the positions of the filter holes and the cleaning rods correspond one to one, and the inner diameter of the filter holes is larger than the diameter of the cleaning rods, so that the cleaning rods can clean the filter holes.

[0011] As a further solution of the utility model: an annular groove matching with the fixed shaft is opened in the middle of the connecting frame, so that the rotation of the fixed shaft can drive the connecting frame to move, and a square hole matching with the connecting frame is opened on the support column, so that the connecting frame can slide in the support column.

[0012] As a further solution of the utility model: a sliding groove cooperating with the connecting rod is provided at the bottom of the inner side of the purification box, so that the connecting rod can slide in the purification box.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. During the movement, the second gear is driven upward by the electric telescopic rod, so that the second gear is meshed with the first gear, and then the motor is started. The motor drives the first gear to rotate through the first rotating shaft. When the first gear rotates, the second rotating shaft is driven to rotate through the second gear meshed with it. When the second rotating shaft rotates, the third gear is driven to rotate. When the third gear rotates, the connecting rod is driven to move through the rack meshed with it. When the connecting rod moves, the cleaning rod is driven to move through the mounting frame. In this design, the filter holes on the filter screen can be cleaned when needed;

[0015] 2. During movement, the motor drives the first rotating shaft to rotate, the first rotating shaft drives the disc to rotate, the disc drives the fixed shaft to rotate, the fixed shaft drives the connecting frame to move back and forth, and the connecting frame drives the brush to move. In this design, the bottom of the inner side of the purification box can be cleaned without adding a motor, which can prevent the accumulation of harmful substances at the bottom of the inner side of the purification box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structural disassembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the cleaning structure of the utility model;

[0019] Figure 4 It is an enlarged view of point A of the present utility model.

[0020] In the figure: 1. purification box; 2. motor; 3. first air intake fan; 4. second air intake fan; 5. first rotating shaft; 6. first gear; 7. first pulley; 8. second pulley; 9. second gear; 10. electric telescopic rod; 11. second rotating shaft; 12. disc; 13. fixed shaft; 14. connecting frame; 15. support column; 16. brush; 17. third gear; 18. rack; 19. connecting rod; 20. mounting frame; 21. cleaning rod; 22. filter; 23. filter hole. DETAILED DESCRIPTION

[0021] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 4In an embodiment of the utility model, a laboratory purification device with a filtering function comprises a purification box 1, a motor 2 is installed on the top of the purification box 1 through two support rods, and the motor 2 is lifted by the two support rods, the output end of the motor 2 is fixedly connected with a first rotating shaft 5 that runs through the inside of the purification box 1, the outer side of the top of the first rotating shaft 5 is fixedly connected with a first gear 6, the outer side of the first rotating shaft 5 is located below the first gear 6 and is fixedly connected with a first pulley 7, the bottom of the first rotating shaft 5 is fixedly connected with a disc 12, and the bottom of the disc 12 is fixedly connected with a fixed shaft 13, the bottom of the inner side of the purification box 1 is fixedly connected with two supporting columns 15, the support columns 15 are slidably connected with a connecting frame 14, and the two ends of the connecting frame 14 are fixedly connected with brushes 16, the top of the purification box 1 is located on one side of the motor 2 and is rotatably connected with a first air intake fan 3, one side of the first air intake fan 3 is fixedly connected with a second air intake fan 4, the outer side of the bottom end of the first air intake fan 3 is fixedly connected with a second pulley 8, and belts are provided on the outer sides of the first pulley 7 and the second pulley 8.

[0023] In this embodiment: the first air intake fan 3 and the second air intake fan 4 are turned on, and the first air intake fan 3 and the second air intake fan 4 send the air to be purified into the purification box 1. When in use, the motor 2 can be started, and the motor 2 drives the first rotating shaft 5 to rotate. When the first rotating shaft 5 rotates, it drives the first pulley 7 to rotate. When the first pulley 7 rotates, it drives the second pulley 8 to rotate through the belt. When the second pulley 8 rotates, it drives the first air intake fan 3 to rotate. When the first air intake fan 3 rotates, it drives the second air intake fan 4 to rotate, which can improve the efficiency of inhaling air. At the same time, the rotation of the first rotating shaft 5 drives the disc 12 to rotate. When the disc 12 rotates, it drives the connecting frame 14 to reciprocate through the fixed shaft 13. When the connecting frame 14 moves, it drives the brush 16 to move to clean the bottom of the inner side of the purification box 1.

[0024] Please refer to Figure 2 and Figure 4 A second rotating shaft 11 that runs through the interior of the purification box 1 is rotatably connected at the middle position of the top of the purification box 1, an electric telescopic rod 10 is installed on the top of the second rotating shaft 11, and a second gear 9 is fixedly connected to the top of the electric telescopic rod 10, and a third gear 17 is fixedly connected to the outer side of the bottom end of the second rotating shaft 11, and a connecting rod 19 is slidably connected to the bottom of the inner side of the purification box 1, and a rack 18 that meshes with the third gear 17 is fixedly connected to one side of the connecting rod 19, and a mounting frame 20 is slidably connected to the inside of the purification box 1, and the mounting frame 20 is fixedly connected to the connecting rod 19, and a cleaning rod 21 is fixedly connected to one side of the mounting frame 20.

[0025] In this embodiment: the electric telescopic rod 10 is started, the electric telescopic rod 10 drives the second gear 9 to move upward, so that the second gear 9 is meshed with the first gear 6, and then the motor 2 is started, the motor 2 drives the first rotating shaft 5 to rotate, and when the first rotating shaft 5 rotates, it drives the first gear 6 to rotate, and when the first gear 6 rotates, it drives the second gear 9 meshed with it to rotate, and when the second gear 9 rotates, it drives the electric telescopic rod 10 to rotate, and when the electric telescopic rod 10 rotates, it drives the second rotating shaft 11 to rotate, and when the second rotating shaft 11 rotates, it drives the third gear 17 to rotate, and when the third gear 17 rotates, it drives the connecting rod 19 to move through the rack 18 meshed with it, and when the connecting rod 19 moves, it drives the mounting frame 20 to move, and when the mounting frame 20 moves, it drives the cleaning rod 21 to move, and the filter holes 23 on the filter screen 22 are cleaned to prevent the filter plate from being blocked. After the cleaning is completed, it only needs to turn off the motor 2, and then start the electric telescopic rod 10 to move the second gear 9 downward.

[0026] Please refer to Figure 2 and Figure 3 A filter screen 22 is fixedly connected to one side of the interior of the purification box 1, and a filter hole 23 is opened on the filter screen 22. The filter hole 23 corresponds to the position of the cleaning rod 21 one by one, and the inner diameter of the filter hole 23 is larger than the diameter of the cleaning rod 21. An air outlet groove is opened on one side of the purification box 1, and an observation port is provided on the other side of the purification box 1. An annular groove matching the fixed shaft 13 is opened in the middle of the connecting frame 14, and a square hole matching the connecting frame 14 is opened on the supporting column 15. A sliding groove matching the connecting rod 19 is opened at the bottom of the inner side of the purification box 1.

[0027] In this embodiment: when cleaning the filter 22, the cleaning rod 21 passes through the filter hole 23 to clean the harmful substances accumulated in the filter hole 23 to prevent the filter 22 from being blocked. The air outlet groove opened on the purification box 1 can discharge the purified air. The observation port provided can observe the interior when the device is working. The annular groove opened on the connecting frame 14 can drive the connecting frame 14 to move when the fixed shaft 13 rotates. The square hole opened on the support column 15 allows the connecting frame 14 to slide in the support column 15. The sliding groove opened on the inner bottom of the purification box 1 allows the connecting rod 19 to drive the mounting frame 20 to move.

[0028] The working principle of the utility model is as follows: the first air intake fan 3 and the second air intake fan 4 are turned on, the first air intake fan 3 and the second air intake fan 4 send the air to be purified into the purification box 1, and the air is discharged after being filtered through the filter screen 22. When in use, the motor 2 can be started, and the motor 2 drives the first rotating shaft 5 to rotate. When the first rotating shaft 5 rotates, it drives the first pulley 7 to rotate. When the first pulley 7 rotates, it drives the second pulley 8 to rotate through the belt. When the second pulley 8 rotates, it drives the first air intake fan 3 to rotate. When the first air intake fan 3 rotates, it drives the second air intake fan 4 to rotate, which can improve the efficiency of inhaling air. At the same time, the rotation of the first rotating shaft 5 drives the disc 12 to rotate. When the disc 12 rotates, it drives the connecting frame 14 to reciprocate through the fixed shaft 13. When the connecting frame 14 moves, it drives the brush 16 to move to clean the bottom of the inner side of the purification box 1. After using for a period of time, the filter hole 23 on the filter screen 22 may be blocked. At this time, it only needs to start the electric telescopic rod 10, and the electric telescopic rod 10 drives the second The gear 9 moves upward, so that the second gear 9 is meshed with the first gear 6, and then the motor 2 is started, and the motor 2 drives the first rotating shaft 5 to rotate. When the first rotating shaft 5 rotates, it drives the first gear 6 to rotate. When the first gear 6 rotates, it drives the second gear 9 meshed with it to rotate. When the second gear 9 rotates, it drives the electric telescopic rod 10 to rotate. When the electric telescopic rod 10 rotates, it drives the second rotating shaft 11 to rotate. When the second rotating shaft 11 rotates, it drives the third gear 17 to rotate. When the third gear 17 rotates, it drives the connecting rod 19 to move through the rack 18 meshed with it. When the connecting rod 19 moves, it drives the mounting frame 20 to move. When the mounting frame 20 moves, it drives the cleaning rod 21 to move, and the filter holes 23 on the filter screen 22 are cleaned to prevent the filter plate from being blocked. After cleaning, it only needs to turn off the motor 2, and then start the electric telescopic rod 10 to move the second gear 9 downward. It can only participate in the movement when the filter screen 22 needs to be cleaned, and does not participate in the movement at other times, which can effectively reduce the cost of use.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A laboratory purification device with filtering function, comprising a purification box (1), characterized in that: A motor (2) is installed on the top of the purification box (1) via two support rods, and the motor (2) is raised by the two support rods. The output end of the motor (2) is fixedly connected to a first rotating shaft (5) that penetrates into the purification box (1). The outer side of the top of the first rotating shaft (5) is fixedly connected to a first gear (6). The outer side of the first rotating shaft (5) is located below the first gear (6) and is fixedly connected to a first pulley (7). The bottom of the first rotating shaft (5) is fixedly connected to a disc (12). The bottom of the disc (12) is fixedly connected to a first gear (6). The top of the purification box (1) is fixedly connected to a fixed shaft (13); the bottom of the inner side of the purification box (1) is fixedly connected to two support columns (15); a connecting frame (14) is slidably connected inside the support column (15); brushes (16) are fixedly connected to both ends of the connecting frame (14); the top of the purification box (1) is located on one side of the motor (2) and is rotatably connected to a first air intake fan (3); one side of the first air intake fan (3) is fixedly connected to a second air intake fan (4); and the outer side of the bottom end of the first air intake fan (3) is fixedly connected to a second pulley (8).

2. A laboratory purification device with filtering function according to claim 1, characterized in that: A second rotating shaft (11) is rotatably connected to the middle position of the top of the purification box (1) and penetrates the inside thereof; an electric telescopic rod (10) is installed at the top of the second rotating shaft (11); a second gear (9) is fixedly connected to the top of the electric telescopic rod (10); a third gear (17) is fixedly connected to the outer side of the bottom end of the second rotating shaft (11); a connecting rod (19) is slidably connected to the bottom of the inner side of the purification box (1); a rack (18) meshing with the third gear (17) is fixedly connected to one side of the connecting rod (19); a mounting frame (20) is slidably connected to the inside of the purification box (1); the mounting frame (20) is fixedly connected to the connecting rod (19); and a cleaning rod (21) is fixedly connected to one side of the mounting frame (20).

3. A laboratory purification device with filtering function according to claim 1, characterized in that: A filter screen (22) is fixedly connected to one side of the purification box (1), and a filter hole (23) is provided on the filter screen (22). An air outlet groove is provided on one side of the purification box (1), and an observation port is provided on the other side of the purification box (1).

4. A laboratory purification device with filtering function according to claim 1, characterized in that: Belts are arranged on the outer sides of the first pulley (7) and the second pulley (8).

5. A laboratory purification device with filtering function according to claim 3, characterized in that: The filter holes (23) correspond to the positions of the cleaning rods (21) one by one, and the inner diameter of the filter holes (23) is greater than the diameter of the cleaning rods (21).

6. A laboratory purification device with filtering function according to claim 1, characterized in that: An annular groove matching with the fixed shaft (13) is provided in the middle of the connecting frame (14), and a square hole matching with the connecting frame (14) is provided on the supporting column (15).

7. A laboratory purification device with filtering function according to claim 2, characterized in that: The bottom of the inner side of the purification box (1) is provided with a sliding groove which cooperates with the connecting rod (19).

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