Centrifugal dust removal ventilator

Abstract

The utility model provides a centrifugal dust removal ventilator, which relates to the technical field of ventilators, and comprises a shell, a first motor is arranged on one side of the shell, an air inlet pipe is arranged on one side of the shell, an air outlet pipe is arranged on one side of the shell, and a filter screen is arranged on one side, far away from the shell, of the air inlet pipe. A cleaning device is arranged on one side of the air inlet pipe, the cleaning device comprises a fixing plate, one side of the fixing plate is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a placing plate, and one side of the placing plate is fixedly connected with a second motor. And dust intercepted and filtered on the surface of the filter screen can be cleaned, the situation that dust is continuously accumulated on the surface of the filter screen, and then holes in the surface of the filter screen are blocked is avoided, and therefore the air inlet efficiency of the ventilator can be improved, and the using effect of the ventilator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilators, in particular to a centrifugal dust removal ventilator. Background Art

[0002] A centrifugal dust removal fan is a mechanical device that can transport clean air and air containing dust and can separate dust.

[0003] When the ventilator is in use, the first motor on the surface of the shell can be started to make the air inlet pipe on the surface of the shell suck in air, and the filter at the air inlet pipe filters the dust in the air, and then the air is discharged from the air outlet pipe after centrifugal filtration and dust removal. When the filter is used to filter dust, dust will continue to accumulate on the surface of the filter, and then the holes on the surface of the filter will be blocked, which will affect the air intake efficiency of the ventilator. Utility Model Content

[0004] The utility model proposes a centrifugal dust removal fan to solve the problem that when the filter screen is used to filter dust, dust will continuously accumulate on the filter screen surface, which will then cause the holes on the filter screen surface to be blocked, thereby affecting the air intake efficiency of the fan.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal dust removal fan, comprising a shell, a first motor is provided on one side of the shell, an air inlet pipe is provided on one side of the shell, an air outlet pipe is provided on one side of the shell, a filter is provided on the side of the air inlet pipe away from the shell, a cleaning device is provided on one side of the air inlet pipe, the cleaning device comprises a fixed plate, one side of the fixed plate is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a placement plate, one side of the placement plate is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a threaded rod, the threaded rod is rotatably connected to the placement plate, one side of the threaded rod is threadedly connected to a moving block, one side of the moving block is fixedly connected to a cleaning brush, the size of the cleaning brush is adapted to the size of the filter.

[0006] The effect achieved by the above components is: when using the ventilator, the first motor on the surface of the shell can be started to make the air inlet pipe on the surface of the shell suck in air, and the filter at the air inlet pipe filters the dust in the air, and then the air is discharged from the air outlet pipe after centrifugal filtration and dust removal. After dust accumulates on the surface of the filter, the electric telescopic rod on the surface of the fixed plate is started to make the placement plate close to the filter, and then the cleaning brush is contacted with the filter, and then the second motor is started to rotate the threaded rod, and then the threaded rod drives the moving block to move, and then the moving block drives the cleaning brush to move and clean the surface of the filter, so that the dust accumulated on the surface of the filter is separated from the filter. By using the cleaning device, the dust intercepted and filtered on the surface of the filter can be cleaned to avoid the continuous accumulation of dust on the surface of the filter, which will cause the holes on the surface of the filter to be blocked, thereby improving the air intake efficiency of the ventilator and thus improving the use effect of the ventilator.

[0007] Preferably, a reinforcing block is fixedly connected to one side of the moving block, and a side of the reinforcing block away from the moving block is fixedly connected to the cleaning brush.

[0008] The effect achieved by the above components is: by using the reinforcing block, the connection strength between the moving block and the cleaning brush is improved, thereby avoiding stress deformation at the connection between the cleaning brush and the moving block.

[0009] Preferably, a rubber ring is fixedly connected to one side of the electric telescopic rod close to the output end, and the size of the rubber ring is matched with the size of the electric telescopic rod.

[0010] The effect achieved by the above components is: the output end of the electric telescopic rod is sealed by the rubber ring to prevent dust from reaching the inside of the electric telescopic rod, thereby improving the use effect of the electric telescopic rod.

[0011] Preferably, a sliding groove is provided on one side of the placement plate close to the threaded rod, a sliding block is slidably connected inside the sliding groove on the surface of the placement plate, and one side of the sliding block is fixedly connected to the moving block.

[0012] The effect achieved by the above components is: by using the sliding block moving inside the slide groove, the moving trajectory of the moving block is restricted, thereby improving the stability of the moving block during movement.

[0013] Preferably, a collecting device is provided on one side of the air inlet pipe, and the collecting device includes a square tube, one side of the square tube is fixedly connected to the air inlet pipe, a bolt is inserted into the internal thread of the square tube, a mounting block is threadedly connected to the surface of the bolt, one side of the mounting block is fixedly connected to a collecting box, and the size of the collecting box is adapted to the size of the air inlet pipe.

[0014] The effect achieved by the above components is: before using the cleaning device, the collection box can be moved so that the mounting block on one side of the collection box is inserted into the square tube, and then the bolt is turned so that the bolt passes through the square tube and is fixed to the mounting block to complete the fixation of the position of the collection box. Then the collection box collects the cleaned dust. By using the collection device, the cleaned dust can be collected to prevent the dust from being dispersed in the air and then returning to the filter again.

[0015] Preferably, an operating block is fixedly connected to one side of the bolt, and a plurality of anti-slip protrusions are provided on the surface of the operating block.

[0016] The effect achieved by the above components is: by using the operating block, the friction between the bolt and the operator is increased, making it easier for the operator to turn the bolt.

[0017] Preferably, a trapezoidal block is fixedly connected to one side of the mounting block away from the collecting box, and the size of the trapezoidal block on the side away from the mounting block is smaller than the size on the other side.

[0018] The effect achieved by the above components is: by using the trapezoidal block, the size of one side of the mounting block is reduced, thereby facilitating the insertion of the mounting block into the square passage.

[0019] Preferably, auxiliary frames are fixedly connected to both sides of the collection box, and the cross-section of the auxiliary frames is U-shaped.

[0020] The effect achieved by the above components is: by using the auxiliary frame, the contact area between the collection box and the operator is increased, so that the operator can move the collection box more easily.

[0021] In summary, the beneficial effects of the utility model are:

[0022] By using a cleaning device, the dust intercepted and filtered on the surface of the filter can be cleaned to prevent the dust from continuously accumulating on the surface of the filter and then causing the holes on the surface of the filter to be blocked, thereby improving the air intake efficiency of the ventilator and further improving the use effect of the ventilator. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the cleaning device of the utility model;

[0025] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the collecting device of the utility model.

[0027] Legend: 1. Casing; 2. Cleaning device; 21. Fixed plate; 22. Electric telescopic rod; 23. Placement plate; 24. Second motor; 25. Threaded rod; 26. Moving block; 27. Cleaning brush; 28. Reinforcement block; 29. ​​Rubber ring; 210. Slide groove; 211. Sliding block; 3. Collecting device; 31. Square tube; 32. Bolt; 33. Mounting block; 34. Collecting box; 35. Operating block; 36. Trapezoidal block; 37. Auxiliary frame; 4. First motor; 5. Air inlet duct; 6. Air outlet duct; 7. Filter. DETAILED DESCRIPTION

[0028] Reference Figure 1-4 As shown, this embodiment discloses a centrifugal dust removal fan, including a shell 1, a first motor 4 is provided on one side of the shell 1, an air inlet pipe 5 is provided on one side of the shell 1, an air outlet pipe 6 is provided on one side of the shell 1, a filter screen 7 is provided on the side of the air inlet pipe 5 away from the shell 1, and a cleaning device 2 is provided on one side of the air inlet pipe 5.

[0029] Reference Figure 1-4 As shown, the present embodiment discloses a cleaning device 2 including a fixed plate 21, a side of the fixed plate 21 is fixedly connected with an electric telescopic rod 22, an output end of the electric telescopic rod 22 is fixedly connected with a placement plate 23, a side of the placement plate 23 is fixedly connected with a second motor 24, an output end of the second motor 24 is fixedly connected with a threaded rod 25, the threaded rod 25 is rotatably connected to the placement plate 23, a side of the threaded rod 25 is threadedly connected with a moving block 26, a side of the moving block 26 is fixedly connected with a cleaning brush 27, and the size of the cleaning brush 27 is adapted to the size of the filter screen 7. When the ventilator is used, the first motor 4 on the surface of the housing 1 can be started to make the air inlet pipe 5 on the surface of the housing 1 suck in air, and the filter screen 7 at the air inlet pipe 5 filters dust in the air, and then the air is discharged from the air outlet pipe 6 after centrifugal filtration and dust removal. After dust accumulates on the surface of the filter 7, the electric telescopic rod 22 on the surface of the fixed plate 21 is started to make the placement plate 23 close to the filter 7, and then the cleaning brush 27 is brought into contact with the filter 7, and then the second motor 24 is started to make the threaded rod 25 rotate, and then the threaded rod 25 drives the moving block 26 to move, and then the moving block 26 drives the cleaning brush 27 to move and clean the surface of the filter 7, so that the dust accumulated on the surface of the filter 7 is separated from the filter 7. By using the cleaning device 2, the dust intercepted and filtered on the surface of the filter 7 can be cleaned to avoid the continuous accumulation of dust on the surface of the filter, which will then cause the holes on the surface of the filter 7 to be blocked, thereby improving the air intake efficiency of the ventilator and further improving the use effect of the ventilator.

[0030] Reference Figure 1-4As shown, this embodiment discloses that a reinforcing block 28 is fixedly connected to one side of the moving block 26, and a side of the reinforcing block 28 away from the moving block 26 is fixedly connected to the cleaning brush 27. By using the reinforcing block 28, the connection strength between the moving block 26 and the cleaning brush 27 is improved, and the deformation of the connection between the cleaning brush 27 and the moving block 26 is avoided. A rubber ring 29 is fixedly connected to one side of the electric telescopic rod 22 near the output end, and the size of the rubber ring 29 is adapted to the size of the electric telescopic rod 22. The rubber ring 29 is used to seal the output end of the electric telescopic rod 22 to prevent dust from reaching the inside of the electric telescopic rod 22, thereby improving the use effect of the electric telescopic rod 22. A sliding groove 210 is provided on one side of the placement plate 23 near the threaded rod 25, and a sliding block 211 is slidably connected inside the sliding groove 210 on the surface of the placement plate 23, and one side of the sliding block 211 is fixedly connected to the moving block 26. By using the sliding block 211 that moves inside the slide groove 210 , the moving track of the moving block 26 is restricted, thereby improving the stability of the moving block 26 during movement.

[0031] Reference Figure 1-4 As shown, the present embodiment discloses that a collecting device 3 is provided on one side of the air inlet pipe 5, and the collecting device 3 includes a square tube 31, one side of the square tube 31 is fixedly connected to the air inlet pipe 5, a bolt 32 is inserted into the inner thread of the square tube 31, a mounting block 33 is threadedly connected to the surface of the bolt 32, and one side of the mounting block 33 is fixedly connected to a collecting box 34, and the size of the collecting box 34 is adapted to the size of the air inlet pipe 5. Before using the cleaning device 2, the collecting box 34 can be moved so that the mounting block 33 on one side of the collecting box 34 is inserted into the square tube 31, and then the bolt 32 is rotated so that the bolt 32 passes through the square tube 31 and is fixed to the mounting block 33 to complete the fixing of the position of the collecting box 34, and then the collecting box 34 collects the cleaned dust. By using the collecting device 3, the cleaned dust can be collected to avoid the dust being scattered in the air and then returning to the filter 7 again.

[0032] Reference Figure 1-4 As shown, the present embodiment discloses that an operating block 35 is fixedly connected to one side of the bolt 32, and a plurality of anti-skid protrusions are provided on the surface of the operating block 35. By using the operating block 35, the friction between the bolt 32 and the operator is increased, so that the operator can turn the bolt 32 more easily. A trapezoidal block 36 is fixedly connected to the side of the mounting block 33 away from the collecting box 34, and the size of the trapezoidal block 36 on the side away from the mounting block 33 is smaller than the size on the other side. By using the trapezoidal block 36, the size of one side of the mounting block 33 is reduced, so that the mounting block 33 is conveniently inserted into the square tube 31. Auxiliary frames 37 are fixedly connected to both sides of the collecting box 34, and the cross-section of the auxiliary frames 37 is U-shaped. By using the auxiliary frames 37, the contact area between the collecting box 34 and the operator is increased, so that the operator can move the collecting box 34 more easily.

[0033] Working principle: When using the fan, the first motor 4 on the surface of the shell 1 can be started to make the air inlet pipe 5 on the surface of the shell 1 inhale air, and the filter screen 7 at the air inlet pipe 5 filters the dust in the air, and then the air is discharged from the air outlet pipe 6 after centrifugal filtration and dust removal. After dust accumulates on the surface of the filter 7, the electric telescopic rod 22 with the rubber ring 2 on the surface of the fixing plate 21 is started to make the placement plate 23 close to the filter 7, and then the cleaning brush 27 is brought into contact with the filter 7, and then the second motor 24 is started to make the threaded rod 25 rotate, and then the threaded rod 25 drives the moving block 26 with the reinforcing block 28 to move, at this time, by using the sliding block 211 moving inside the slide groove 210, the moving trajectory of the moving block 26 is restricted, and then the moving block 26 drives the cleaning brush 27 to move and clean the surface of the filter 7, so that the dust accumulated on the surface of the filter 7 is separated from the filter 7, and by using the cleaning device 2, the dust intercepted and filtered on the surface of the filter 7 can be cleaned to avoid the continuous accumulation of dust on the surface of the filter, which will then cause the holes on the surface of the filter 7 to be blocked, thereby improving the air intake efficiency of the ventilator and thus improving the use effect of the ventilator.

[0034] Before using the cleaning device 2, the collecting box 34 can be moved by the auxiliary frame 37 so that the mounting block 33 with the trapezoidal block 36 on one side of the collecting box 34 is inserted into the square tube 31, and then the bolt 32 is rotated by the operating block 35 so that the bolt 32 passes through the square tube 31 and is fixed to the mounting block 33 to complete the fixation of the position of the collecting box 34. Then the collecting box 34 collects the cleaned dust. By using the collecting device 3, the cleaned dust can be collected to prevent the dust from being dispersed in the air and then returning to the filter 7 again.

Claims

1. A centrifugal dust removal fan, comprising a housing (1), characterized in that: A first motor (4) is provided on one side of the housing (1); an air inlet pipe (5) is provided on one side of the housing (1); an air outlet pipe (6) is provided on one side of the housing (1); a filter screen (7) is provided on the side of the air inlet pipe (5) away from the housing (1); a cleaning device (2) is provided on one side of the air inlet pipe (5); the cleaning device (2) comprises a fixing plate (21); an electric telescopic rod (22) is fixedly connected to one side of the fixing plate (21); an output end of the electric telescopic rod (22) is fixedly connected to a placement plate (23); a second motor (24) is fixedly connected to one side of the placement plate (23); a threaded rod (25) is fixedly connected to the output end of the second motor (24); the threaded rod (25) is rotatably connected to the placement plate (23); a moving block (26) is threadedly connected to one side of the threaded rod (25); a cleaning brush (27) is fixedly connected to one side of the moving block (26); the size of the cleaning brush (27) is matched with the size of the filter screen (7).

2. A centrifugal dust removal fan according to claim 1, characterized in that: A reinforcing block (28) is fixedly connected to one side of the moving block (26), and a side of the reinforcing block (28) away from the moving block (26) is fixedly connected to a cleaning brush (27).

3. A centrifugal dust removal fan according to claim 2, characterized in that: A rubber ring (29) is fixedly connected to one side of the electric telescopic rod (22) close to the output end, and the size of the rubber ring (29) is compatible with the size of the electric telescopic rod (22).

4. A centrifugal dust removal fan according to claim 3, characterized in that: A sliding groove (210) is provided on one side of the placement plate (23) close to the threaded rod (25), and a sliding block (211) is slidably connected inside the sliding groove (210) on the surface of the placement plate (23), and one side of the sliding block (211) is fixedly connected to the moving block (26).

5. A centrifugal dust removal fan according to claim 4, characterized in that: A collecting device (3) is provided on one side of the air inlet pipe (5), and the collecting device (3) comprises a square tube (31), one side of the square tube (31) is fixedly connected to the air inlet pipe (5), a bolt (32) is inserted into the internal thread of the square tube (31), a mounting block (33) is threadedly connected to the surface of the bolt (32), one side of the mounting block (33) is fixedly connected to a collecting box (34), and the size of the collecting box (34) is compatible with the size of the air inlet pipe (5).

6. A centrifugal dust removal fan according to claim 5, characterized in that: An operating block (35) is fixedly connected to one side of the bolt (32), and a surface of the operating block (35) is provided with a plurality of anti-slip protrusions.

7. A centrifugal dust removal fan according to claim 6, characterized in that: A trapezoidal block (36) is fixedly connected to one side of the mounting block (33) away from the collecting box (34); the size of the trapezoidal block (36) on the side away from the mounting block (33) is smaller than the size of the other side.

8. A centrifugal dust removal fan according to claim 7, characterized in that: Auxiliary frames (37) are fixedly connected to both sides of the collection box (34), and the cross section of the auxiliary frame (37) is U-shaped.

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