A vacuum dust collection structure, a vacuum cleaner based on the vacuum structure, and a vacuum collection method

Abstract

The present invention relates to the technical field of vacuum cleaners, and discloses a vacuum suction structure, a vacuum cleaner based on the vacuum structure, and a vacuuming method. During vacuuming, the airflow in the suction port drives the detection impeller to rotate, and when debris or clothes are blocked in the suction port, no airflow can be generated in the suction port, so that the detection impeller stops rotating, and then the detection impeller generates a signal to control the push head to start, and the push head moves to push in the direction of the dust hood to push the debris or clothes in the suction port into the dust hood, and then the push claw is started, and the push claw pushes the debris or clothes in the dust hood to one end of the dust hood to prevent the debris or clothes from blocking the suction port again, so that the suction port can be automatically cleared after the debris or clothes are sucked in during vacuum cleaning, avoiding damage to the vacuum cleaner caused by the blockage of the suction port, ensuring the stability of the vacuum cleaner operation, and improving the service life of the vacuum cleaner.

Description

Technical Field

[0001] The present invention relates to the technical field of vacuum cleaners, and in particular to a vacuum dust collection structure, a vacuum cleaner based on the dust collection structure, and a dust collection method. Background Art

[0002] The vacuum cleaner mainly uses the suction unit to generate suction airflow to absorb dust. The absorbed dust is collected by the dust collecting device, and the filtered clean air is discharged into the external environment. Handheld vacuum cleaners are popular and widely used because of their light weight and easy handheld operation.

[0003] Existing vacuum cleaners, such as Chinese patent application CN110432820A, have a handheld vacuum cleaner main unit that is partially detachable, so that the user can lower the center of gravity of the product by transferring a portion of the handheld vacuum cleaner main unit to the lower part of the vacuum cleaner during use; and the entire disassembly and assembly process does not require repeated insertion and removal of hard pipes, which is simple, quick, and more convenient to use.

[0004] However, there are still the following problems: during the vacuuming process, if there are large debris or clothes gathered together and sucked into the head end of the vacuum cleaner, the debris or clothes may be stuck in the inlet end of the vacuum tube or in the dust cover, causing the vacuum cleaner to malfunction and damage the vacuum cleaner. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a vacuum cleaning structure, a vacuum cleaner based on the vacuum cleaning structure, and a vacuum cleaning method, which have the advantages of automatically clearing the vacuum port after sucking in larger debris or clothes gathered together during vacuum cleaning, thereby avoiding damage to the vacuum cleaner caused by blockage in the vacuum port, ensuring the stability of the vacuum cleaner operation, and increasing the service life of the vacuum cleaner. This solves the problem that during the vacuum cleaning process, if there are larger debris or clothes gathered together and sucked into the head end of the vacuum cleaner, the debris or clothes may be easily stuck at the inlet end of the vacuum pipe or in the dust hood, causing the vacuum cleaner to malfunction and cause damage to the vacuum cleaner.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vacuum dust collection structure, comprising a frame, a dust collection mechanism arranged on the frame, and an auxiliary mechanism arranged on the dust collection mechanism, wherein the dust collection mechanism comprises a dust collection hood and a vacuum pump, the dust collection hood is fixedly mounted on the frame, the dust collection hood is adjacent to the ground, the vacuum pump is fixedly mounted on the frame, the vacuum pump is located above the dust collection hood, the vacuum pump generates air suction to vacuum the ground from the dust collection hood, and the airflow connection between the dust collection hood and the vacuum pump is a dust collection port;

[0007] The auxiliary mechanism includes a detection impeller, a push head, and a push claw. The detection impeller is arranged in the dust suction port, and the detection impeller is used to detect the gas flow in the dust suction port. The push head is arranged in the dust suction port, and the push head is adjacent to the detection impeller. The detection impeller is closer to the dust suction cover than the push head. The push claw is arranged in the dust suction cover, and the push claw is used to push the blocked object.

[0008] When the vacuum cleaning structure is in operation, when the detection impeller cannot rotate, it is determined that the dust suction port is blocked, so that the push head is pushed toward the dust suction hood to push the blocked object in the dust suction port into the dust suction hood, and then the push claw moves to push the blocked object away from the dust suction port.

[0009] Preferably, the dust suction mechanism also includes wheels, and the two wheels are rotatably engaged with the bottom end of the frame, the wheels are located at one end of the frame, and the wheels are symmetrically distributed on both sides of the frame. The axes of the wheels on both sides are fixedly connected, and a foot brake is provided on the frame, and a brake pad is provided on the frame. The foot brake is dynamically connected to the brake pad, so that when the foot brake is stepped on, the brake pad is driven to stick to the axis of the wheel.

[0010] Preferably, the dust hood is located at the other end of the frame, the bottom end of the dust hood is an open end, a protective frame is fixedly installed on the bottom end of the dust hood, the protective frame is adapted to the open end of the dust hood, and the bottom end of the protective frame is at the same height as the bottom end of the wheel.

[0011] Preferably, the vacuum pump is located between the wheel and the dust hood, a dust collection barrel is fixedly mounted on the vacuum pump, the suction end of the vacuum pump passes through the wall of the dust collection barrel, a filter ring is fixedly mounted in the dust collection barrel, the filter ring is fixedly connected to the suction end of the vacuum pump, so that when the vacuum pump sucks the air in the dust collection barrel, the gas passes through the filter ring, a dust suction pipe is arranged between the dust collection barrel and the dust collection hood, one end of the dust suction pipe is connected to the dust collection barrel, and the other end of the dust suction pipe is connected to the dust collection hood, and the connecting point between the dust suction pipe and the dust collection hood is a dust suction port.

[0012] Preferably, a dust bin is fixedly installed on the top of the dust collecting cylinder, the dust bin is connected with the filter mesh ring, a filter mesh frame is arranged between the dust bin and the filter mesh ring, a dust gun is arranged on the dust bin, a hose is arranged between the dust gun and the dust bin, one end of the hose is connected with the dust gun, and the other end of the hose is connected with the dust bin, an air pipe is placed on the dust bin, and the bottom end of the air pipe is connected with the exhaust end of the vacuum pump.

[0013] Preferably, the auxiliary mechanism further comprises a detector, the detector is fixedly mounted on the dust suction pipe, the detector is adjacent to the dust suction port, and the detector is dynamically connected to the detection impeller so that the detector can detect the rotation of the detection impeller when the vacuum cleaner is running.

[0014] Preferably, a slide rail is fixedly installed in the dust suction pipe, and the slide rail is located at the dust suction port. The detection impeller is closer to the dust suction hood than the slide rail. A rack is slidably fitted on the slide rail, and the pusher head is fixedly installed on one end of the rack, and the pusher head is located between the rack and the dust suction hood. A gear is provided in the dust suction pipe, and the gear is meshed with the rack. The gear is located in the dust suction port. A first servo motor is fixedly installed on the dust suction pipe, and the first servo motor is adjacent to the dust suction port. The shaft of the first servo motor passes through the dust suction pipe, and the shaft of the first servo motor is fixedly connected to the gear.

[0015] Preferably, a screw is rotatably mounted in the dust hood, a ball nut is sleeved on the screw, the ball nut is helically engaged with the screw, an auxiliary slide is fixedly installed in the dust hood, the auxiliary slide is adjacent to the screw, the auxiliary slide passes through the ball nut, the auxiliary slide is slidably engaged with the ball nut, the push claw is fixedly installed on the ball nut, the bottom end of the push claw is adjacent to the protective frame, a second servo motor is fixedly installed on the dust hood, and the second servo motor is dynamically connected to the screw.

[0016] A vacuum cleaner uses the vacuum dust collection structure.

[0017] A dust collection method uses the above-mentioned dust collector.

[0018] Compared with the prior art, the present invention provides a vacuum cleaning structure with the following beneficial effects:

[0019] 1. The vacuum suction structure moves the device to a place where dust collection is required, starts the vacuum pump, and generates suction force to suck air, so that the airflow generated by the sucked air is generated from the dust cover, so that the device performs dust collection from the dust cover, and during dust collection, the airflow in the dust suction port drives the detection impeller to rotate, and when larger debris or clothes gathered together are blocked in the dust suction port, the dust suction port cannot generate airflow, so that the detection impeller stops rotating, and then the detection impeller generates a signal to control the push head to start, and the push head moves to the suction port The push claw is then started to push the larger debris or gathered clothes in the dust hood to one end of the dust hood to prevent the larger debris or gathered clothes from clogging the dust port again. When vacuum cleaning, the dust port can be automatically cleared after the larger debris or gathered clothes are sucked in, thereby avoiding damage to the vacuum cleaner caused by clogging of the dust port, ensuring the stability of the vacuum cleaner operation, and increasing the service life of the vacuum cleaner.

[0020] 2. The vacuum cleaning structure, through the setting of the vacuum gun and the dust hood, enables the device to vacuum the ground, and can also use the vacuum gun to vacuum other places such as beds and sofas, thereby increasing the working range of the device and improving the applicability of the device.

[0021] 3. The vacuum cleaner structure, through the setting of the push head and the push claw, enables the push head to push the debris or clothes blocking the suction port into the dust cover, and the push claw drives the debris or clothes to move to one end of the dust cover, thereby preventing the debris or clothes from blocking the suction port again and improving the stability of the equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure distribution of the frame of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the dust collection mechanism of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure distribution of the dust suction pipe of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure distribution of the protection frame of the present invention;

[0026] Figure 5 It is a schematic diagram of the auxiliary mechanism structure of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure distribution of the detection impeller of the present invention;

[0028] Figure 7 This is a schematic diagram of the structure distribution of the pusher head of the present invention;

[0029] Figure 8 It is a schematic diagram of the overall structure of the vacuum cleaner of the present invention.

[0030] In the figure: 1. frame; 2. dust suction mechanism; 21. wheels; 22. dust hood; 23. protection frame; 24. vacuum pump; 25. dust collecting cylinder; 26. filter ring; 27. dust suction pipe; 28. dust suction bin; 29. ​​dust suction gun; 210. air pipe; 3. auxiliary mechanism; 31. detection impeller; 32. detector; 33. slide rail; 34. rack; 35. push head; 36. gear; 37. first servo motor; 38. screw; 39. ball nut; 310. auxiliary slide rod; 311. push claw; 312. second servo motor. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, the present application proposes a vacuum cleaning structure, a vacuum cleaner based on the vacuum cleaning structure, and a vacuum cleaning method.

[0033] Example 1

[0034] In a typical implementation of the present application, Figure 1 As shown, a vacuum dust collection structure comprises a frame 1, a dust collection mechanism 2 arranged on the frame 1, and an auxiliary mechanism 3 arranged on the dust collection mechanism 2, wherein the dust collection mechanism 2 comprises a dust collection hood 22 and a vacuum pump 24, the frame 1 is fixedly mounted with the dust collection hood 22, the dust collection hood 22 is adjacent to the ground, the frame 1 is fixedly mounted with the vacuum pump 24, the vacuum pump 24 is located above the dust collection hood 22, the vacuum pump 24 generates air suction to perform dust collection on the ground from the dust collection hood 22, and the airflow connection between the dust collection hood 22 and the vacuum pump 24 is a dust collection port;

[0035] The auxiliary mechanism 3 includes a detection impeller 31, a push head 35, and a push claw 311. The detection impeller 31 is arranged in the dust suction port, and the detection impeller 31 is used to detect the gas flow in the dust suction port. The push head 35 is arranged in the dust suction port, and the push head 35 is adjacent to the detection impeller 31. The detection impeller 31 is closer to the dust suction cover 22 than the push head 35. The push claw 311 is arranged in the dust suction cover 22, and the push claw 311 is used to push the blocked object.

[0036] When the vacuum cleaning structure is in operation, when it is detected that the impeller 31 cannot rotate, it is determined that the dust suction port is blocked, so that the push head 35 is pushed toward the dust suction cover 22 to push the blocked object in the dust suction port into the dust suction cover 22, and then the push claw 311 moves to push the blocked object away from the dust suction port.

[0037] When using the present invention:

[0038] The device is moved to a place where dust collection is required, and the vacuum pump 24 is started. The vacuum pump 24 generates suction to suck air, so that the airflow generated by the sucked air is generated from the dust hood 22, so that the device performs dust collection from the dust hood 22. During dust collection, the airflow in the dust suction port drives the detection impeller 31 to rotate. When larger debris or clothes gathered together are blocked in the dust suction port, no airflow can be generated in the dust suction port, so that the detection impeller 31 stops rotating. Then the detection impeller 31 generates a signal to control the push head 35 to start, and the push head 35 moves to the dust hood 22. The push claw 311 is then started to push the larger debris or gathered clothes in the dust suction port toward one end of the dust suction port 22 to prevent the larger debris or gathered clothes from clogging the dust suction port again. When vacuum cleaning, the dust suction port can be automatically cleared after the larger debris or gathered clothes are sucked in, thereby avoiding damage to the vacuum cleaner caused by clogging of the dust suction port, ensuring the stability of the vacuum cleaner operation, and increasing the service life of the vacuum cleaner.

[0039] Example 2

[0040] like Figure 2-Figure 4 As shown, the difference from the above embodiment is that the dust suction mechanism 2 also includes wheels 21, and the two wheels 21 are rotatably engaged with the bottom end of the frame 1, the wheels 21 are located at one end of the frame 1, and the wheels 21 are symmetrically distributed on both sides of the frame 1, and the axes of the wheels 21 on both sides are fixedly connected, a foot brake is provided on the frame 1, and a brake pad is provided on the frame 1, and the foot brake is dynamically connected to the brake pad, so that the brake pad is driven to stick to the axis of the wheel 21 after the foot brake is stepped on.

[0041] Furthermore, the dust hood 22 is located at the other end of the frame 1, and the bottom end of the dust hood 22 is an open end. A protective frame 23 is fixedly installed on the bottom end of the dust hood 22, and the protective frame 23 is adapted to the open end of the dust hood 22. The bottom end of the protective frame 23 and the bottom end of the wheel 21 are located at the same height.

[0042] Furthermore, the vacuum pump 24 is located between the wheel 21 and the dust hood 22, and a dust collecting cylinder 25 is fixedly installed on the vacuum pump 24. The suction end of the vacuum pump 24 passes through the wall of the dust collecting cylinder 25, and a filter mesh ring 26 is fixedly installed in the dust collecting cylinder 25. The filter mesh ring 26 is fixedly connected to the suction end of the vacuum pump 24, so that when the vacuum pump 24 sucks the air in the dust collecting cylinder 25, the gas passes through the filter mesh ring 26. A dust suction pipe 27 is arranged between the dust collecting cylinder 25 and the dust hood 22, one end of the dust suction pipe 27 is connected to the dust collecting cylinder 25, and the other end of the dust suction pipe 27 is connected to the dust hood 22, and the connection between the dust suction pipe 27 and the dust hood 22 is a dust suction port.

[0043] Furthermore, a dust bin 28 is fixedly installed on the top of the dust collecting cylinder 25, the dust bin 28 is connected to the filter mesh ring 26, a filter mesh frame is arranged between the dust bin 28 and the filter mesh ring 26, a dust gun 29 is arranged on the dust bin 28, a hose is arranged between the dust gun 29 and the dust bin 28, one end of the hose is connected to the dust gun 29, and the other end of the hose is connected to the dust bin 28, an air pipe 210 is placed on the dust bin 28, and the bottom end of the air pipe 210 is connected to the exhaust end of the vacuum pump 24.

[0044] Among them, the device is pushed so that the wheels 21 drive the frame 1 to move, so as to move the device to the position where dust collection is required, and then the vacuum pump 24 is started. The vacuum pump 24 sucks air, so that the air flows from the dust hood 22 into the dust pipe 27, and then flows from the dust pipe 27 into the dust collecting barrel 25, and then flows from the dust collecting barrel 25 into the filter mesh ring 26, and then flows from the filter mesh ring 26 into the vacuum pump 24, and then the air is discharged from the air pipe 210, so that the generated airflow drives the dust into the dust collecting barrel 25, the filter mesh ring 26 filters the dust so that the dust is concentrated in the dust collecting barrel 25, and the airflow generated by the suction of the vacuum pump 24 enters the dust collection bin 28 through the dust collection gun 29, so that the dust absorbed by the dust collection gun 29 during the dust collection process enters the dust collection bin 28 for collection.

[0045] Example 3

[0046] like Figure 5-Figure 8 As shown, the difference from the above embodiment is that the auxiliary mechanism 3 also includes a detector 32, the detector 32 is fixedly mounted on the dust suction pipe 27, the detector 32 is adjacent to the dust suction port, and the detector 32 is dynamically connected to the detection impeller 31, so that the detector 32 can detect the rotation of the detection impeller 31 when the vacuum cleaner is running.

[0047] Furthermore, a slide rail 33 is fixedly installed in the dust suction pipe 27, and the slide rail 33 is located at the dust suction port. The detection impeller 31 is closer to the dust suction hood 22 than the slide rail 33. A rack 34 is slidably fitted on the slide rail 33, and a push head 35 is fixedly installed on one end of the rack 34, and the push head 35 is located between the rack 34 and the dust suction hood 22. A gear 36 is provided in the dust suction pipe 27, and the gear 36 is meshed with the rack 34. The gear 36 is located in the dust suction port. A first servo motor 37 is fixedly installed on the dust suction pipe 27, and the first servo motor 37 is adjacent to the dust suction port. The shaft of the first servo motor 37 passes through the dust suction pipe 27, and the shaft of the first servo motor 37 is fixedly connected to the gear 36.

[0048] Furthermore, a screw rod 38 is rotatably mounted in the dust hood 22, a ball nut 39 is sleeved on the screw rod 38, the ball nut 39 is spirally mounted with the screw rod 38, an auxiliary slide rod 310 is fixedly installed in the dust hood 22, the auxiliary slide rod 310 is adjacent to the screw 38, the auxiliary slide rod 310 passes through the ball nut 39, the auxiliary slide rod 310 is slidably mounted with the ball nut 39, a push claw 311 is fixedly installed on the ball nut 39, the bottom end of the push claw 311 is adjacent to the protective frame 23, a second servo motor 312 is fixedly installed on the dust hood 22, and the second servo motor 312 is power-connected with the screw rod 38.

[0049] Among them, after the dust suction port is blocked, the detection impeller 31 no longer rotates, and the detector 32 detects that the detection impeller 31 no longer rotates, and the detector 32 generates a signal to control the first servo motor 37 to start, and the first servo motor 37 drives the gear 36 to rotate, and the gear 36 drives the rack 34 to move on the slide rail 33, and the rack 34 drives the push head 35 to move, so that the push head 35 pushes the debris or clothes blocked in the dust suction port into the dust hood 22, and then starts the second servo motor 312, and the second servo motor 312 drives the screw 38 to rotate, and the screw 38 drives the ball nut 39 to move on the auxiliary slide bar 310, and the ball nut 39 drives the push claw 311 to move, so that the push claw 311 drives the debris or clothes to move to one end of the dust hood 22 to prevent the debris or clothes from blocking the dust suction port again.

[0050] Working principle:

[0051] The device is moved to a place where dust collection is required, and the vacuum pump 24 is started. The vacuum pump 24 generates suction to suck air, so that the airflow generated by the sucked air is generated from the dust hood 22, so that the device performs dust collection from the dust hood 22. During dust collection, the airflow in the dust suction port drives the detection impeller 31 to rotate. When larger debris or clothes gathered together are blocked in the dust suction port, no airflow can be generated in the dust suction port, so that the detection impeller 31 stops rotating. Then the detection impeller 31 generates a signal to control the push head 35 to start, and the push head 35 moves to the dust hood 22. The push claw 311 is then started to push the larger debris or gathered clothes in the dust suction port into the dust suction cover 22, and then the push claw 311 is started to push the larger debris or gathered clothes in the dust suction cover 22 to one end of the dust suction cover 22 to prevent the larger debris or gathered clothes from blocking the dust suction port again, so that the dust suction port can be automatically cleared after the larger debris or gathered clothes are sucked in during vacuum cleaning, thereby avoiding damage to the vacuum cleaner caused by the blockage of the dust suction port, ensuring the stability of the operation of the vacuum cleaner, and improving the service life of the vacuum cleaner;

[0052] The device is pushed so that the wheels 21 drive the frame 1 to move, so as to move the device to a position where dust collection is required, and then the vacuum pump 24 is started. The vacuum pump 24 sucks air so that the air flows from the dust cover 22 into the dust collection pipe 27, and then flows from the dust collection pipe 27 into the dust collection barrel 25, and then flows from the dust collection barrel 25 into the filter mesh ring 26, and then flows from the filter mesh ring 26 into the vacuum pump 24, and then the air is discharged from the air pipe 210, so that the generated airflow drives the dust into the dust collection barrel 25, and the filter mesh ring 26 filters the dust so that the dust is concentrated in the dust collection barrel 25, and the airflow generated by the suction of the vacuum pump 24 enters the dust collection bin 28 through the dust collection gun 29, so that the dust absorbed by the dust collection gun 29 during the dust collection process enters the dust collection bin 28 for collection;

[0053] After the dust suction port is blocked, the detection impeller 31 no longer rotates, and the detector 32 detects that the detection impeller 31 no longer rotates, and the detector 32 generates a signal to control the first servo motor 37 to start, and the first servo motor 37 drives the gear 36 to rotate, and the gear 36 drives the rack 34 to move on the slide rail 33, and the rack 34 drives the push head 35 to move, so that the push head 35 pushes the debris or clothes blocked in the dust suction port into the dust hood 22, and then starts the second servo motor 312, and the second servo motor 312 drives the screw 38 to rotate, and the screw 38 drives the ball nut 39 to move on the auxiliary slide bar 310, and the ball nut 39 drives the push claw 311 to move, so that the push claw 311 drives the debris or clothes to one end of the dust hood 22 to prevent the debris or clothes from blocking the dust suction port again.

[0054] A vacuum cleaner uses the vacuum dust collection structure.

[0055] A dust collection method uses the above-mentioned dust collector.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum cleaning structure, comprising a frame, a cleaning mechanism disposed on the frame, and an auxiliary mechanism disposed on the cleaning mechanism, characterized in that: The dust collection mechanism includes a dust collection hood and a vacuum pump. The dust collection hood is fixedly mounted on the frame, the dust collection hood is adjacent to the ground, the vacuum pump is fixedly mounted on the frame, the vacuum pump is located above the dust collection hood, the vacuum pump generates air suction to vacuum the ground from the dust collection hood, and the airflow connection between the dust collection hood and the vacuum pump is a dust collection port; The auxiliary mechanism includes a detection impeller, a push head, and a push claw. The detection impeller is arranged in the dust suction port, the detection impeller is used to detect the gas flow in the dust suction port, the push head is arranged in the dust suction port, and the push claw is arranged in the dust suction cover, and the push claw is used to push the blocked object; The auxiliary mechanism further includes a detector, a dust collecting cylinder is fixedly mounted on the vacuum pump, a dust collecting pipe is arranged between the dust collecting cylinder and the dust collecting cover, the detector is fixedly mounted on the dust collecting pipe, the detector is adjacent to the dust collecting port, and the detector is dynamically connected to the detection impeller, so that the detector detects the rotation of the detection impeller when the vacuum cleaner is running; A slide rail is fixedly installed in the dust suction pipe, the slide rail is located at the dust suction port, the detection impeller is closer to the dust suction cover than the slide rail, a rack is slidably fitted on the slide rail, one end of the rack is fixedly installed with the push head, the push head is located between the rack and the dust suction cover, a gear is arranged in the dust suction pipe, the gear is meshed with the rack, a first servo motor is fixedly installed on the dust suction pipe, and the shaft of the first servo motor is fixedly connected to the gear; A screw is rotatably mounted in the dust hood, a ball nut is sleeved on the screw, the ball nut is spirally engaged with the screw, an auxiliary slide is fixedly installed in the dust hood, the auxiliary slide is adjacent to the screw, the auxiliary slide passes through the ball nut, the auxiliary slide is slidably engaged with the ball nut, the push claw is fixedly installed on the ball nut, a second servo motor is fixedly installed on the dust hood, and the second servo motor is dynamically connected to the screw.

2. A vacuum cleaning structure according to claim 1, characterized in that: The dust suction mechanism also includes wheels, two of which are rotatably engaged with the bottom end of the frame, the wheels are located at one end of the frame, and the wheels are symmetrically distributed on both sides of the frame, and the axes of the wheels on both sides are fixedly connected, a foot brake is provided on the frame, and a brake pad is provided on the frame, and the foot brake is dynamically connected to the brake pad so that the brake pad is driven to stick to the axis of the wheel after the foot brake is stepped on.

3. A vacuum cleaning structure according to claim 2, characterized in that: The dust hood is located at the other end of the frame body, the bottom end of the dust hood is an open end, a protective frame is fixedly installed on the bottom end of the dust hood, the bottom end of the push claw is adjacent to the protective frame, the protective frame is adapted to the open end of the dust hood, and the bottom end of the protective frame is at the same height as the bottom end of the wheel.

4. A vacuum cleaning structure according to claim 3, characterized in that: The vacuum pump is located between the wheel and the dust hood, the suction end of the vacuum pump passes through the wall of the dust collecting cylinder, a filter ring is fixedly installed in the dust collecting cylinder, the filter ring is fixedly connected to the suction end of the vacuum pump, so that when the vacuum pump sucks the air in the dust collecting cylinder, the gas passes through the filter ring, one end of the dust suction pipe is connected to the dust collecting cylinder, and the other end of the dust suction pipe is connected to the dust collecting hood, and the connection point between the dust suction pipe and the dust collecting hood is a dust suction port.

5. A vacuum cleaning structure according to claim 4, characterized in that: A dust bin is fixedly installed on the top of the dust collecting cylinder, the dust bin is connected with the filter mesh ring, a filter mesh frame is arranged between the dust bin and the filter mesh ring, a dust gun is arranged on the dust bin, a hose is arranged between the dust gun and the dust bin, one end of the hose is connected with the dust gun, and the other end of the hose is connected with the dust bin, an air pipe is placed on the dust bin, and the bottom end of the air pipe is connected with the exhaust end of the vacuum pump.

6. A vacuum cleaner, characterized in that: The vacuum cleaning structure according to any one of claims 1 to 5 is used.

7. A dust collection method, characterized in that: The vacuum cleaner according to claim 6 is used.

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