CN214965057U

CN214965057U - Dust collector with rotating wheel assembly

Info

Publication number: CN214965057U
Application number: CN202022896695.XU
Authority: CN
Inventors: 刘福建
Original assignee: Suzhou Kabite Intelligent Technology Co ltd
Current assignee: Suzhou Kabite Intelligent Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-12-03
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a dust catcher with swiveling wheel subassembly, its including the casing of acceping the motor, be connected with the casing and have the cup in dirt cup chamber and set up the swiveling wheel subassembly that just carries out dust separation in dirt cup chamber, wherein swiveling wheel subassembly is used for acceping the mount of detaching wheel and following wheel, one end with the coaxial and adjacent setting of detaching wheel including the detaching wheel that has a plurality of airflow channel and rotatable separation dust, set up at the mount other end and with the coaxial impeller that sets up of detaching wheel and pass the detaching wheel, with the rotation axis in wheel, impeller three axle center, just swiveling wheel subassembly is initiative rotation or passive rotation. The utility model has the advantages that: the use of a prefilter such as sponge or HEPA is avoided, the use cost is reduced, the dust can be sucked in a dry and wet mode, and the user experience is improved.

Description

Dust collector with rotating wheel assembly

Technical Field

The utility model relates to a dust catcher with swiveling wheel subassembly.

Background

The existing handheld dust collector on the market usually comprises a cyclone dust cup, a filter screen arranged in the cyclone dust cup and sponge or HEPA positioned at the downstream of the filter screen for dust and air separation, however, the sponge or HEPA needs to be cleaned regularly, and the existing handheld dust collector can only absorb dry dust and cannot absorb liquid.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: provides a dust collector with a rotating wheel assembly, which avoids the use of a prefilter such as sponge or HEPA, reduces the use cost and can collect dust in both dry and wet modes.

The utility model discloses a concrete technical scheme is: the utility model provides a dust catcher with swiveling wheel subassembly, its is including the casing of acceping the motor, be connected with the casing and have the cup in dirt cup chamber and set up the swiveling wheel subassembly that just carries out the dust separation in dirt cup chamber, wherein swiveling wheel subassembly is including the separating wheel that has a plurality of airflow channel and rotatable separation dust, with the coaxial and adjacent following wheel that sets up of separating wheel, one end are used for acceping the mount of separating wheel and following wheel, set up at the mount other end and with the coaxial impeller that sets up of separating wheel and pass the rotating shaft in separating wheel, following wheel, impeller three axle center, just swiveling wheel subassembly is initiative rotation or passive rotation.

On the basis of the technical scheme, the method further comprises the following subsidiary technical scheme:

the separating wheel comprises a separating wheel shaft part with a separating wheel shaft hole, a separating wheel grid part positioned on the outer side of the separating wheel shaft part and a separating wheel circumferential part positioned at the top end of the separating wheel grid part, wherein the separating wheel grid part is provided with a plurality of grid ribs which are obliquely or spirally arranged at intervals, and the two adjacent grid ribs are provided with an air flow channel.

The following wheel comprises a following wheel shaft part with a following wheel shaft hole, a plurality of following wheel air outlets positioned on the outer side of the following wheel shaft part and a following wheel rim positioned on the outer side of the following wheel air outlets, wherein the following wheel rim comprises an inclined plane formed on the outer surface and a vertical plane connected with one end of the inclined plane.

The fixing frame comprises a fixing frame shaft part with a fixing frame shaft hole and a fixing frame bearing chamber, a fixing frame gas collecting cavity formed outside the fixing frame shaft part, a fixing frame air inlet arranged in the fixing frame gas collecting cavity, a fixing frame outer edge located outside the fixing frame gas collecting cavity, a fixing frame annular cavity located between the fixing frame gas collecting cavity and the fixing frame outer edge, and a fixing frame end part which extends upwards from the fixing frame outer edge and contains the impeller.

The impeller comprises an impeller shaft part with an impeller shaft hole, a hub positioned on the outer side of the impeller shaft part, a plurality of arc-shaped blades connected with the outer surface of the hub, and an impeller connecting part connected between the impeller shaft part and the hub.

The impeller is characterized by further comprising a cover plate arranged above the impeller, wherein the cover plate comprises 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.

A transition cavity is arranged between the fixing frame of the rotating wheel assembly and the cup body, and an air leakage hole with one end communicated with the transition cavity and the other end communicated with the outer side of the following wheel is arranged at the outer edge of the fixing frame.

The electric cup further comprises a handle positioned on the rear side of the cup body, a motor rear filter positioned at the upper end of the handle and adjacent to the motor, and a battery pack positioned at the lower end of the handle, wherein the motor is positioned above the cup body.

The central axis of the cup body is perpendicular to the horizontal plane and is provided with an air inlet pipe, and the direction of the central axis of the air inlet pipe is intersected with the handle to form an obtuse angle.

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

The utility model has the advantages that: the use of a prefilter such as sponge or HEPA is avoided, the use cost is reduced, the dust can be sucked in a dry and wet mode, and the user experience is improved.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a perspective view of a separator wheel according to the present invention;

FIG. 5 is a perspective view of the follower wheel of the present invention;

FIG. 6 is a bottom schematic view of FIG. 5;

fig. 7 is a perspective view of the middle fixing frame of the present invention;

fig. 8 is a perspective view of a separator wheel according to the present invention;

fig. 9 is a perspective view of the impeller of the present invention;

fig. 10 is a perspective view of the middle cover plate of the present invention.

Detailed Description

Example (b): as shown in fig. 1 to 10, the present invention discloses a vacuum cleaner having a rotary wheel assembly, which includes a housing 20 for accommodating a motor 30, a cup 100 connected to the housing 20 and having a cup cavity 102, a handle 22 at a rear side of the cup 100, a post-motor filter at an upper end of the handle 22 and adjacent to the motor 30, and a battery pack 50 at a lower end of the handle 22, wherein the motor 30 is located above the cup 100, and the rotary wheel assembly disposed in the cup cavity 102 for dust separation, wherein the rotary wheel assembly includes a separating wheel 200 having a plurality of air flow passages 234 and rotatably separating dust, a following wheel 300 disposed coaxially and adjacent to the separating wheel 200, a holder 400 having one end for accommodating the separating wheel 200 and the following wheel 300, an impeller 500 disposed at the other end of the holder 400 and coaxially disposed with the separating wheel 200, and a cover plate 600 disposed above the impeller 500, and the rotating wheel assembly is actively rotated or passively rotated. 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 the handle 22 at an obtuse angle.

The separating wheel 200 comprises a separating wheel shaft part 210 with a separating wheel shaft hole 212, a separating wheel grid part 230 positioned outside the separating wheel shaft part 210, and a separating wheel circumferential part 220 positioned at the top end of the separating wheel grid part 230, wherein the separating wheel grid part 230 is provided with a plurality of grid ribs 232 which are obliquely or spirally arranged at intervals, and two adjacent grid ribs 232 are provided with an air flow channel 234.

The following wheel 300 includes 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 includes an inclined surface 340 formed on an outer surface, and a vertical surface 342 connected to one end of the inclined surface 340. The inclined surface 340 corresponds to a circumferential angle greater than 60 degrees. The vertical height of vertical face 342 is greater than half the axial height of trailing wheel 300. The inclined surface 340 and the vertical surface 342 form a space therebetween for receiving the air flow and prevent the air flow from moving upward in the axial direction. The inclined surface 340 and the vertical surface 342 are preferably 4 in this embodiment, and may be 3 or more.

The holder 400 includes a holder shaft portion 410 having a holder shaft hole 412 and a holder bearing chamber 414, a holder gas-collecting chamber 420 formed outside the holder shaft portion 410, a holder gas inlet 430 disposed in the holder gas-collecting chamber 420, a holder outer rim 440 located outside the holder gas-collecting chamber 420, a holder annular chamber 450 located between the holder gas-collecting chamber 420 and the holder outer rim 440, and a holder end portion 460 extending upward from the holder outer rim 440 and accommodating the impeller 500. The cross-sectional area of the follower wheel outlet 320 is larger than the cross-sectional area of the mount inlet 430. A transition cavity 104 is formed between the holder 400 of the rotary wheel assembly and the cup body 100, and an air release hole 442 is formed in the outer edge 440 of the holder such that one end is communicated with the transition cavity 104 and the other end is communicated with the outer side of the follower wheel 300. The holder end 460 is provided with an end cavity 462 communicating with the holder shaft hole 412, and an end inlet 464 located within the end cavity 462 and communicating with the holder inlet 430. The cross-sectional area of the bleed holes 442 is smaller than the cross-sectional area of the airflow passage 234.

The impeller 500 includes 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 attached to an outer surface of the hub 520, and an impeller attaching portion 540 connecting between the impeller shaft portion 510 and the hub 520. The diameter of the impeller 500 is greater than half of the diameter of the impeller of the motor 30 and less than the diameter of the impeller of the motor 30. For better separation efficiency, the rotation speed of the impeller 500 is preferably 2000-10000 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, and 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 sufficiently drive the airflow to separate. The axial height of the separating wheel 200 is greater than the axial height of the following wheel 300 or the impeller 500, and 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 separator wheel 200 has an axial height of preferably 25-45mm, a bottom diameter of 50-65mm and a top diameter of 65-80 mm. The impeller 500 preferably has an axial height of 8 to 20mm and a diameter of 50 to 75mm, thereby achieving efficient separation and space-intensification, a more compact structure, and superior separation performance.

The cover 600 includes a cover base 604, a cover bearing chamber 610 provided on the cover base 604, a cover outlet 620 provided adjacent to the cover bearing chamber 610, and a rotary shaft 700 passing through the axial centers of the separator 200, the follower 300, and the impeller 500. The cross-sectional area of the cover plate outlet 620 is also smaller than the cross-sectional area of the follower wheel outlet 320. The end air inlet 464 and the projection of the cover plate air outlet 620 on the horizontal plane are at least partially overlapped so as to shorten the air flow path and reduce the air flow loss.

The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All equivalent changes or modifications made according to the spirit of the main technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A cleaner having a rotation wheel assembly, comprising: accommodate casing (20) of motor (30), be connected with casing (20) and have cup (100) of dirt cup chamber (102) and set up in dirt cup chamber (102) and carry out the swiveling wheel subassembly of dust separation, wherein swiveling wheel subassembly is including having a plurality of airflow channel (234) and rotatable separation dust separation separating wheel (200), with separating wheel (200) coaxial and adjacent following wheel (300) that set up, mount (400) that one end is used for acceping separating wheel (200) and following wheel (300), set up at the mount (400) other end and with separating wheel (200) coaxial impeller (500) setting, and pass separating wheel (200), follow wheel (300), impeller (500) three axle center rotation axis (700), just swiveling wheel subassembly is for the initiative rotation or passive rotation.

2. A cleaner having a rotation wheel assembly as claimed in claim 1, wherein: the separating wheel (200) comprises a separating wheel shaft part (210) with a separating wheel shaft hole (212), a separating wheel grid part (230) located on the outer side of the separating wheel shaft part (210), and a separating wheel circumferential part (220) located at the top end of the separating wheel grid part (230), wherein the separating wheel grid part (230) is provided with a plurality of grid ribs (232) which are obliquely or spirally arranged at intervals, and an air flow channel (234) is formed in two adjacent grid ribs (232).

3. A cleaner having a rotation wheel assembly as claimed in claim 2, wherein: the follow-up wheel (300) comprises a follow-up wheel shaft part (310) with a follow-up wheel shaft hole (312), a plurality of follow-up wheel air outlets (320) located on the outer side of the follow-up wheel shaft part (310), and a follow-up wheel rim located on the outer side of the follow-up wheel air outlets (320), wherein the follow-up wheel rim comprises an inclined surface (340) formed on the outer surface and a vertical surface (342) connected with one end of the inclined surface (340).

4. A cleaner having a rotation wheel assembly as claimed in claim 3, wherein: the fixing frame (400) comprises a fixing frame shaft part (410) with a fixing frame shaft hole (412) and a fixing frame bearing chamber (414), a fixing frame gas collecting cavity (420) formed outside the fixing frame shaft part (410), a fixing frame gas inlet (430) arranged in the fixing frame gas collecting cavity (420), a fixing frame outer edge (440) located outside the fixing frame gas collecting cavity (420), a fixing frame annular cavity (450) located between the fixing frame gas collecting cavity (420) and the fixing frame outer edge (440), and a fixing frame end part (460) which extends upwards from the fixing frame outer edge (440) and accommodates the impeller (500).

5. A cleaner having a rotation wheel assembly as claimed in claim 4, wherein: the impeller (500) comprises an impeller shaft part (510) with an impeller shaft hole (512), a hub (520) positioned outside the impeller shaft part (510), a plurality of arc-shaped blades (530) connected with the outer surface of the hub (520), and an impeller connecting part (540) connected between the impeller shaft part (510) and the hub (520).

6. A cleaner having a rotating wheel assembly according to claim 4, further comprising a cover plate (600) provided above the impeller (500), the cover plate (600) comprising a cover plate base (604), a cover plate bearing chamber (610) provided on the cover plate base (604), and a cover plate air outlet (620) provided adjacent to the cover plate bearing chamber (610).

7. A cleaner having a rotation wheel assembly as claimed in claim 6, wherein: a transition cavity (104) is arranged between the fixing frame (400) of the rotating wheel assembly and the cup body (100), and an air leakage hole (442) with one end communicated with the transition cavity (104) and the other end communicated with the outer side of the following wheel 300 is arranged on the outer edge (440) of the fixing frame.

8. A vacuum cleaner having a rotation wheel assembly as claimed in claim 1 or 2 or 3 or 4 or 5 or 6 or 7, further comprising a handle (22) at a rear side of the bowl (100), a post-motor filter at an upper end of the handle (22) adjacent to the motor (30), and a battery pack (50) at a lower end of the handle (22), wherein the motor (30) is located above the bowl (100).

9. A cleaner having a rotation wheel assembly as claimed in claim 8, wherein: the central axis of the cup body (100) is vertical to the horizontal plane and is provided with an air inlet pipe (120), and the direction of the central axis of the air inlet pipe (120) is intersected with the handle (22) to form an obtuse angle.

10. A vacuum cleaner having a rotating wheel assembly as claimed in claim 3, 4, 5, 6 or 7, wherein: the circumferential angle corresponding to the inclined surface (340) is more than 60 degrees; the vertical height of the vertical surface (342) is greater than half the axial height of the following wheel (300).