Vacuum cleaner with rotating wheel assembly

Abstract

The present invention discloses a vacuum cleaner with a rotating wheel assembly, which includes a housing for accommodating a motor, a cup body connected to the housing and having a dust cup cavity, and a rotating wheel assembly disposed in the dust cup cavity and performing dust separation, wherein the rotating wheel assembly includes a separation wheel having a plurality of airflow channels and rotatable for separating dust, a following wheel coaxial with and adjacent to the separation wheel, a fixing frame at one end for accommodating the separation wheel and the following wheel, an impeller disposed at the other end of the fixing frame and coaxial with the separation wheel, and a rotating shaft passing through the axes of the separation wheel, the following wheel, and the impeller, and the rotating wheel assembly can rotate actively or passively. The advantages of the present invention are: avoiding the use of pre-filters such as sponges or HEPA, reducing the cost of use, and being capable of both wet and dry vacuuming, thereby improving the user experience.

Description

Technical Field

[0001] The invention relates to a dust collector with a rotating wheel assembly. Background Art

[0002] Currently, handheld vacuum cleaners on the market typically include a cyclonic dust cup, a filter screen disposed within the cyclonic dust cup, and a sponge or HEPA downstream of the filter screen for dust and gas separation. However, the sponge or HEPA requires regular cleaning, and existing handheld vacuum cleaners can only absorb dry dust, not liquids. Summary of the Invention

[0003] The purpose of the present invention is to provide a vacuum cleaner with a rotating wheel assembly, which avoids the use of pre-filters such as sponges or HEPA, reduces the use cost, and can be used for both dry and wet vacuuming.

[0004] The specific technical solution of the present invention is: a vacuum cleaner with a rotating wheel assembly, which includes a shell for accommodating a motor, a cup body connected to the shell and having a dust cup cavity, and a rotating wheel assembly arranged in the dust cup cavity and performing dust separation, wherein the rotating wheel assembly includes a separation wheel having a plurality of air flow channels and rotatable to separate dust, a following wheel coaxial with and adjacent to the separation wheel, a fixing frame at one end for accommodating the separation wheel and the following wheel, an impeller arranged at the other end of the fixing frame and coaxial with the separation wheel, and a rotating shaft passing through the axes of the separation wheel, the following wheel and the impeller, and the rotating wheel assembly rotates actively or passively.

[0005] On the basis of the above technical solution, the following subsidiary technical solutions are further included:

[0006] The separation wheel includes a separation wheel shaft portion having a separation wheel shaft hole, a separation wheel grid portion located outside the separation wheel shaft portion, and a separation wheel circumferential portion located at the top of the separation wheel grid portion, wherein the separation wheel grid portion is provided with a plurality of inclined or spiral and spaced grid ribs, wherein two adjacent grid ribs are provided with an air flow channel.

[0007] The following wheel includes a following wheel shaft portion having a following wheel shaft hole, a plurality of following wheel air outlets located outside the following wheel shaft portion, and a following wheel rim located outside the following wheel air outlets, wherein the following wheel rim includes an inclined surface formed on the outer surface and a vertical surface at one end of the inclined surface.

[0008] The fixing frame includes a fixing frame shaft portion having a fixing frame shaft hole and a fixing frame bearing chamber, a fixing frame air collecting chamber formed outside the fixing frame shaft portion, a fixing frame air inlet arranged in the fixing frame air collecting chamber, a fixing frame outer edge located outside the fixing frame air collecting chamber, a fixing frame annular chamber located between the fixing frame air collecting chamber and the fixing frame outer edge, and a fixing frame end portion extending upward from the fixing frame outer edge and accommodating an impeller.

[0009] The impeller comprises an impeller shaft portion having an impeller shaft hole, a hub located outside the impeller shaft portion, a plurality of arc-shaped blades connected to the outer surface of the hub, and an impeller connecting portion connecting the impeller shaft portion and the hub.

[0010] It also includes a cover plate arranged above the impeller, wherein the cover plate includes a cover plate base, a cover plate bearing chamber arranged on the cover plate base, and a cover plate air outlet arranged adjacent to the cover plate bearing chamber.

[0011] A transition cavity is provided between the fixing frame of the rotating wheel assembly and the cup body, and an air leakage hole is provided on the outer edge of the fixing frame, one end of the air leakage hole being connected to the transition cavity and the other end of the air leakage hole being connected to the outer side of the following wheel.

[0012] The invention also includes a handle located at the rear side of the cup body, a post-motor filter located at the upper end of the handle and adjacent to the motor, and a battery pack located at the lower end of the handle, wherein the motor is located above the cup body.

[0013] The central axis of the cup body is perpendicular to the horizontal plane and is provided with an air inlet pipe, and the central axis of the air inlet pipe intersects with the handle at an obtuse angle.

[0014] The circumferential angle corresponding to the inclined surface is greater than 60 degrees; the vertical height of the vertical surface is greater than half the axial height of the following wheel.

[0015] The advantages of the present invention are: avoiding the use of pre-filters such as sponges or HEPA, reducing the use cost, and being able to vacuum both wet and dry, thereby improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 is a perspective view of the present invention;

[0018] Figure 2 is an exploded view of the present invention;

[0019] Figure 3 is a cross-sectional view of the present invention;

[0020] Figure 4 is a perspective view of the separation wheel of the present invention;

[0021] Figure 5 is a perspective view of a following wheel in the present invention;

[0022] Figure 6 yes Figure 5 Bottom diagram of ;

[0023] Figure 7 is a three-dimensional diagram of the fixing frame of the present invention;

[0024] Figure 8 is a perspective view of the separation wheel of the present invention;

[0025] Figure 9 is a three-dimensional diagram of the impeller of the present invention;

[0026] Figure 10 It is a three-dimensional diagram of the cover plate of the present invention. DETAILED DESCRIPTION

[0027] Example: Figure 1-10 As shown, the present invention discloses a specific embodiment of a vacuum cleaner with a rotating wheel assembly, which includes a shell 20 for accommodating a motor 30, a cup body 100 connected to the shell 20 and having a dust cup cavity 102, a handle 22 located on the rear side of the cup body 100, a motor post-filter located at the upper end of the handle 22 and adjacent to the motor 30, and a battery pack 50 located at the lower end of the handle 22, wherein the motor 30 is located above the cup body 100, and a rotating wheel assembly is arranged in the dust cup cavity 102 and performs dust separation, wherein the rotating wheel assembly includes a separating wheel 200 having a plurality of air flow channels 234 and rotatable to separate dust, a following wheel 300 coaxial with and adjacent to the separating wheel 200, a fixing frame 400 at one end for accommodating the separating wheel 200 and the following wheel 300, an impeller 500 arranged at the other end of the fixing frame 400 and coaxial with the separating wheel 200, and a cover plate 600 arranged above the impeller 500, and the rotating wheel assembly rotates actively or passively. The central axis of the cup body 100 is perpendicular to the horizontal plane and has an air inlet pipe 120 , and the central axis of the air inlet pipe 120 intersects with the handle 22 at an obtuse angle.

[0028] The separation wheel 200 includes a separation wheel shaft portion 210 having a separation wheel shaft hole 212, a separation wheel grid portion 230 located outside the separation wheel shaft portion 210, and a separation wheel circumferential portion 220 located at the top of the separation wheel grid portion 230, wherein the separation wheel grid portion 230 is provided with a plurality of inclined or spiral and spaced grid ribs 232, wherein two adjacent grid ribs 232 are provided with an air flow channel 234.

[0029] The follower wheel 300 includes a follower wheel shaft portion 310 having a follower wheel shaft hole 312, a plurality of follower wheel air outlets 320 located outside the follower wheel shaft portion 310, and a follower wheel rim located outside the follower wheel air outlet 320, wherein the follower wheel rim includes an inclined surface 340 formed on the outer surface, and a vertical surface 342 at one end of the inclined surface 340. The circumferential angle corresponding to the inclined surface 340 is greater than 60 degrees. The vertical height of the vertical surface 342 is greater than half the axial height of the follower wheel 300. A space is formed between the inclined surface 340 and the vertical surface 342 to accommodate the airflow and prevent the airflow from moving upward in the axial direction. In this embodiment, the number of the inclined surface 340 and the vertical surface 342 is preferably 4, but may also be 3 or other numbers.

[0030] The fixed frame 400 includes a fixed frame shaft portion 410 having a fixed frame shaft hole 412 and a fixed frame bearing chamber 414, a fixed frame plenum chamber 420 formed outside the fixed frame shaft portion 410, a fixed frame air inlet 430 disposed within the fixed frame air inlet chamber 420, a fixed frame outer edge 440 located outside the fixed frame air inlet chamber 420, a fixed frame annular chamber 450 located between the fixed frame air inlet chamber 420 and the fixed frame outer edge 440, and a fixed frame end portion 460 extending upward from the fixed frame outer edge 440 and accommodating the impeller 500. The cross-sectional area of the follower wheel air outlet 320 is larger than that of the fixed frame air inlet 430. A transition chamber 104 is disposed between the fixed frame 400 of the rotating wheel assembly and the cup body 100, and an air vent 442 is disposed on the fixed frame outer edge 440, one end of which communicates with the transition chamber 104 and the other end communicates with the outside of the follower wheel 300. The fixing frame end 460 is provided with an end cavity 462 communicating with the fixing frame shaft hole 412 and an end air inlet 464 located in the end cavity 462 and communicating with the fixing frame air inlet 430. The cross-sectional area of the air leakage hole 442 is smaller than the cross-sectional area of the air flow channel 234.

[0031] The impeller 500 includes an impeller shaft 510 having an impeller shaft hole 512, a hub 520 located outside the impeller shaft 510, a plurality of arcuate blades 530 connected to the outer surface of the hub 520, and an impeller connecting portion 540 connecting the impeller shaft 510 and the hub 520. The diameter of the impeller 500 is greater than half the diameter of the impeller of the motor 30 but less than the diameter of the impeller of the motor 30. To achieve optimal separation efficiency, the rotation speed of the impeller 500 is preferably between 2000 and 10000 rpm. The overall height of the rotating wheel assembly is at least greater than 1 / 4 and less than 3 / 4 of the height of the cup body 100. The minimum diameter of the separation wheel 200 in the rotating wheel assembly is greater than 1 / 3 and less than 2 / 3 of the diameter of the cup body 100, so as to fully drive the airflow for separation. The axial height of the separating wheel 200 is greater than that of the following wheel 300 or the impeller 500. Preferably, the axial height of the separating wheel 200 is greater than the sum of the axial heights of the following wheel 300 and the impeller 500. Preferably, the axial height of the separating wheel 200 is 25-45 mm, the bottom diameter is 50-65 mm, and the top diameter is 65-80 mm. The axial height of the impeller 500 is preferably 8-20 mm, and the diameter is 50-75 mm. This achieves effective separation and space-saving, a more compact structure, and superior separation performance.

[0032] The cover plate 600 includes a cover plate base 604, a cover plate bearing chamber 610 disposed on the cover plate base 604, a cover plate air outlet 620 disposed adjacent to the cover plate bearing chamber 610, and a rotating shaft 700 passing through the axes of the separation wheel 200, the following wheel 300, and the impeller 500. The cross-sectional area of the cover plate air outlet 620 is also smaller than that of the following wheel air outlet 320. The horizontal projections of the end air inlet 464 and the cover plate air outlet 620 at least partially overlap, thereby shortening the airflow path and reducing airflow losses.

[0033] The advantages of the present invention are that the use of pre-filters such as sponges or HEPA is avoided, the use cost is reduced, and the vacuum cleaner can be used for both wet and dry purposes, thereby improving the user experience.

[0034] Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vacuum cleaner with a rotating wheel assembly, characterized in that It includes: A housing (20) for accommodating a motor (30), a cup body (100) connected to the housing (20) and having a dust cup cavity (102), and a rotating wheel assembly arranged in the dust cup cavity (102) and performing dust separation, wherein the rotating wheel assembly comprises a separation wheel (200) having a plurality of air flow channels (234) and capable of rotating to separate dust, a following wheel (300) coaxial with and adjacent to the separation wheel (200), a fixing frame (400) for accommodating the separation wheel (200) and the following wheel (300) at one end, an impeller (500) arranged at the other end of the fixing frame (400) and coaxial with the separation wheel (200), and a separator (500) passing through the separation wheel (200). 0), a following wheel (300), and an impeller (500), and the rotating wheel assembly is actively rotating or passively rotating, wherein the separating wheel (200) comprises a separating wheel shaft portion (210) having a separating wheel shaft hole (212), a separating wheel grid portion (230) located outside the separating wheel shaft portion (210), and a separating wheel circumferential portion (220) located at the top of the separating wheel grid portion (230), wherein the separating wheel grid portion (230) is provided with a plurality of inclined or spiral grid ribs (232) arranged at intervals, wherein two adjacent grid ribs (232) are provided with an air flow channel (234); wherein the following wheel The wheel (300) comprises a following wheel shaft portion (310) having a following wheel shaft hole (312), a plurality of following wheel air outlets (320) located outside the following wheel shaft portion (310), and a following wheel rim located outside the following wheel air outlets (320), wherein the following wheel rim comprises an inclined surface (340) formed on the outer surface, and a vertical surface (342) connected to one end of the inclined surface (340); wherein the fixing frame (400) comprises a fixing frame shaft portion (410) having a fixing frame shaft hole (412) and a fixing frame bearing chamber (414), a fixing frame air collecting chamber (420) formed outside the fixing frame shaft portion (410), and a fixing frame air collecting chamber (420) provided in the fixing frame air collecting chamber (420). The invention relates to a rotating wheel assembly comprising a fixed frame air inlet (430) in the fixed frame, an outer edge (440) of the fixed frame located outside the fixed frame air collecting chamber (420), a fixed frame annular chamber (450) located between the fixed frame air collecting chamber (420) and the outer edge (440) of the fixed frame, and a fixed frame end (460) extending upward from the outer edge (440) of the fixed frame and accommodating the impeller (500); wherein a transition chamber (104) is provided between the fixed frame (400) of the rotating wheel assembly and the cup body (100), and an air vent (442) is provided on the outer edge (440) of the fixed frame, one end of which is connected to the transition chamber (104) and the other end of which is connected to the outer side of the following wheel (300).

2. A vacuum cleaner with a rotating wheel assembly according to claim 1, characterized in that: The impeller (500) comprises an impeller shaft portion (510) having an impeller shaft hole (512), a hub (520) located outside the impeller shaft portion (510), a plurality of arc-shaped blades (530) connected to the outer surface of the hub (520), and an impeller connecting portion (540) connecting the impeller shaft portion (510) and the hub (520).

3. A vacuum cleaner with a rotating wheel assembly as claimed in claim 2, characterized in that The invention also includes a cover plate (600) disposed above the impeller (500), wherein the cover plate (600) includes a cover plate base (604), a cover plate bearing chamber (610) disposed on the cover plate base (604), and a cover plate air outlet (620) disposed adjacent to the cover plate bearing chamber (610).

4. A vacuum cleaner with a rotating wheel assembly as claimed in claim 1, 2 or 3, characterized in that The invention also includes a handle (22) located at the rear side of the cup body (100), a motor post-filter located at the upper end of the handle (22) and adjacent to the motor (30), and a battery pack (50) located at the lower end of the handle (22), wherein the motor (30) is located above the cup body (100).

5. A vacuum cleaner with a rotating wheel assembly as claimed in claim 4, characterized in that: The central axis of the cup body (100) is perpendicular to the horizontal plane and has an air inlet pipe (120), and the central axis of the air inlet pipe (120) intersects with the handle (22) at an obtuse angle.

6. A vacuum cleaner with a rotating wheel assembly as claimed in claim 5, characterized in that: The circumferential angle corresponding to the inclined surface (340) is greater than 60 degrees; and the vertical height of the vertical surface (342) is greater than half the axial height of the following wheel (300).

7. A vacuum cleaner with a rotating wheel assembly as claimed in claim 3, characterized in that: The fixing frame end (460) is provided with an end cavity (462) communicating with the fixing frame shaft hole (412), and an end air inlet (464) located in the end cavity (462) and communicating with the fixing frame air inlet (430), wherein the cross-sectional area of the air leakage hole (442) is smaller than the cross-sectional area of the air flow channel (234).

8. A vacuum cleaner with a rotating wheel assembly according to claim 7, characterized in that: The cross-sectional area of the cover plate air outlet (620) is smaller than the cross-sectional area of the follower wheel air outlet (320), wherein the projections of the end air inlet (464) and the cover plate air outlet (620) on the horizontal plane at least partially overlap.

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