CN217645117U - Dirt cup subassembly and surface cleaning equipment - Google Patents

Abstract

The utility model discloses a dust cup assembly and surface cleaning equipment. The dust cup assembly includes a cyclone separation chamber and a dust collection chamber, and the dust cup assembly further includes an air outlet and a filter structure arranged at the air outlet. The filter structure is rotatably arranged on the air outlet. Mounting brackets in the dust cup assembly to filter the airflow before it exits the air outlet. A fan is arranged in the filter structure, and the fan rotates through the airflow flowing out of the air outlet, thereby driving the filter structure to rotate. The fan includes a proximal end close to the rotation axis and a distal end far away from the rotation axis in the radial direction, and the proximal end of the fan is suspended relative to the mounting bracket. The proximal end of the fan is suspended relative to the mounting frame, which on the one hand can increase the air circulation area, and on the other hand, can effectively prevent hair from entangling on the fan blades and improve the reliability of the fan.

Description

Dust cup assembly and surface cleaning equipment

technical field

The utility model relates to the technical field of cleaning equipment, in particular to a dust cup assembly and surface cleaning equipment.

Background technique

As a part of the vacuum cleaner, the dust cup assembly plays a particularly important role. The dust cup assembly generally includes a cyclone separation chamber and a dust cup chamber. The cyclone separation chamber containing dirt separates dust and gas, and the separated dirt is stored in the dust cup chamber. In order to improve the separation efficiency, a rotating filter structure can be included in the cyclone separation chamber. Generally, the filter structure can be driven by a fan. When the fan rotates, the filter structure rotates with the fan.

In the existing structure, the filter structure is generally driven to rotate by the rotating shaft. At this time, if fine particles such as hair enter the rotating structure, it is easy to jam the fan and cause the fan to fail.

Utility model content

Aiming at the deficiencies in the above technologies, the utility model provides a dust cup assembly and a surface cleaning device, the fan is suspended relative to the mounting frame, even if the hair is entangled on the mounting frame, it will not be affected by the fan.

In one aspect, the present invention provides a dust cup assembly, which includes a cyclone separation chamber and a dust collection chamber, the dust cup assembly further includes an air outlet and a filter structure disposed at the air outlet, and the filter structure is rotatable. is arranged in the dust cup assembly to filter the airflow before being discharged from the air outlet;

The filter structure is provided with a fan, and the fan rotates by the airflow flowing out of the air outlet, thereby driving the filter structure to rotate;

Wherein, the fan includes a proximal end close to the rotation axis and a distal end far away from the rotation axis in the radial direction, and the proximal end of the fan is suspended to form a channel.

Optionally, the fan includes a plurality of fan blades, and the proximal ends of the plurality of fan blades are suspended.

Optionally, it further includes a mounting bracket for supporting the filter structure, the mounting bracket is disposed at the air outlet, and at least part of the mounting bracket penetrates the channel.

Optionally, the filter structure includes a filter frame, the filter frame is arranged in a accommodating groove, at least one bearing is arranged in the accommodating groove, and the filter frame is rotatably mounted on the filter frame through the at least one bearing. Mount.

Optionally, the installation frame includes a fixed shaft, and the bearing is installed on an end of the fixed shaft away from the air outlet.

Optionally, an outer bearing is provided on the outer periphery of the filtering structure, and is installed at the air outlet through the outer bearing.

Optionally, the filter structure includes a first end close to the air outlet and a second end far away from the air outlet, and the outer periphery of the first end is provided with a protective plate extending radially outward.

Optionally, the fixed shaft is detachably arranged on the mounting frame.

Optionally, the filter structure includes a filter screen and a guide rib disposed outside the filter screen, and the guide rib protrudes from an outer surface formed by the filter screen.

On the other hand, the present invention also provides a surface cleaning device, wherein the surface cleaning device includes the dust cup assembly described in any of the above embodiments.

The utility model discloses a dust cup assembly and surface cleaning equipment. The dust cup assembly includes a cyclone separation chamber and a dust collection chamber, and the dust cup assembly further includes an air outlet and a filter structure arranged at the air outlet. The filter structure is rotatably arranged on the air outlet. Mounting brackets in the dust cup assembly to filter the airflow before it exits the air outlet. A fan is arranged in the filter structure, and the fan rotates through the airflow flowing out of the air outlet, thereby driving the filter structure to rotate. Wherein, the fan includes a proximal end close to the rotation axis and a distal end far away from the rotation axis in the radial direction, and the proximal end of the fan is suspended relative to the mounting frame. The proximal end of the fan is suspended relative to the mounting frame, which on the one hand can increase the air circulation area, and on the other hand, can effectively prevent hair from entangling on the fan blades and improve the reliability of the fan.

Description of drawings

1 is a schematic structural diagram of a handheld vacuum cleaner in an embodiment of the present invention;

2 is a schematic structural diagram of a dust cup assembly in an embodiment;

Fig. 3 is a sectional view along the A-A direction in Fig. 2;

Fig. 4 is a partial enlarged view of area A in Fig. 3;

Fig. 5 is the sectional view under another angle along the A-A direction in Fig. 2;

Fig. 6 is an exploded view of the rotating structure in the dust cup assembly;

7 is a schematic structural diagram of a filter frame in an embodiment;

Fig. 8 is a structural schematic view of the filter frame viewed from the second end toward the first end;

9 is a schematic structural diagram of a fan in an embodiment;

Fig. 10 is a sectional view of the dust cup assembly in another embodiment;

Fig. 11 is a schematic diagram of a filtering structure in another embodiment.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication involved in the embodiments of the present invention, the directional indication is only used to explain the relative positional relationship, motion, etc. between the components under a certain posture. If the specific posture changes , the directional indication changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as instructions or Implicit their relative importance or implicitly indicate the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" in the whole text includes three parallel schemes. Taking "A and/or B" as an example, it includes scheme A, scheme B, or scheme satisfying both of A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood through specific situations.

Fig. 1 is a schematic structural diagram of a handheld vacuum cleaner in an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a dust cup assembly in an embodiment. Fig. 3 is a cross-sectional view along the direction A-A in Fig. 2 . FIG. 4 is a partially enlarged view of area A in FIG. 3 . Fig. 5 is a cross-sectional view at another angle along the direction A-A in Fig. 2 . Fig. 6 is an exploded view of the rotating structure in the dust cup assembly. Fig. 7 is a schematic structural view of a filter holder in an embodiment. Fig. 8 is a structural schematic view of the filter holder viewed from the second end toward the first end. Fig. 9 is a schematic structural diagram of a fan in an embodiment. Referring to FIG. 1, FIG. 1 discloses a surface cleaning device 10, which includes a dust cup assembly 1 and a fan assembly 3, the fan assembly 3 is used to generate suction airflow, and the dust cup assembly 1 is used to clean the airflow carrying dirt Dust and gas separation. Referring to FIGS. 2-9 , the dust cup assembly 1 includes a cyclone separation chamber 12 and a dust collection chamber 13 . The cyclone separation chamber 12 is arranged outside the dust collection chamber 13 and communicates with the dust collection chamber 13 through an ash rejection port 14 . The air carrying dirt enters from the air inlet of the cyclone separation chamber 12 and is cyclone separated in the cyclone cavity. The separated dust and sundries enter the dust collection chamber 13 through the dust removal port 14, and the separated air flows through the dust cup. The air outlet 123 of the module 1 flows out of the cyclone separation chamber 12 . Referring to FIG. 6 , the dust cup assembly 1 also includes an air outlet 123 and a filter structure 7 arranged at the air outlet 123 , the filter structure 7 is rotatably arranged on the mounting bracket 75 in the dust cup assembly 1 to prevent airflow from being discharged from the air outlet 123 to filter.

Referring to FIGS. 3-9 , the filter structure 7 is provided with a fan 8 , and the fan 8 is rotated by the airflow flowing out of the air outlet 123 , thereby driving the filter structure 7 to rotate. The fan 8 includes a proximal end 84 close to the rotation axis P and a distal end 83 away from the rotation axis P along the radial direction, and the proximal end 84 of the fan 8 is suspended. In an implementation manner, the fan 8 may be ring-shaped, and the center of the fan 8 is a hollow structure, defining a passage for objects to pass through. The fan 8 includes a plurality of fan blades 81 , both ends of the fan blades 81 are fixed to corresponding rings, and the channel defined by the inner ring (ie the proximal end of the fan) can ensure that objects can pass through freely. Further, the fan 8 includes a plurality of fan blades 81 , and the proximal ends 84 of the plurality of fan blades 81 are suspended. In one embodiment, the fan blade 81 can be directly formed on the filter frame 71 . In another implementation manner, the fan 8 may be a separately manufactured part, and after the fan 8 is manufactured, it may be fixed to the inner side or the outer side of the filter frame 71 by clamping, gluing or ultrasonic welding. The fan blade 81 is suspended in the air, on the one hand, it can increase the air circulation area, and on the other hand, it can effectively prevent hair from being entangled on the fan blade 81 .

3-6, the dust cup assembly 1 further includes a mounting bracket 75 for supporting the filter structure 7. The filter structure 7 includes a first end 711 close to the air outlet 123 and a second end 712 away from the air outlet 123. The end 712 is rotatably mounted to the mounting bracket 75 so that the filter structure 7 can be rotated relative to the mounting bracket 75 . The mounting bracket 75 is disposed at the air outlet 123 . It can be understood that the mounting bracket 75 can be disposed in the air outlet 123 or at a position near the upstream and downstream of the air outlet 123 , and the specific location is not limited here. And at least part of the mounting bracket 75 penetrates through the channel, and the proximal end 84 of the fan 8 is suspended relative to the mounting bracket 75 . Referring to the figure, the mounting frame 75 includes a support member 751 fixed to the air outlet 123, and the support member 751 is a cross support structure. Of course, in other implementations, the support member 751 can be any support structure, and the support structure is used for the filter structure. 7 is rotatably mounted to the air outlet 123 . In order to facilitate the disassembly and assembly of the filter structure 7, the filter structure 7 is installed to one end of the fixed shaft 752 through the bearing 753, and the other end of the fixed shaft 752 is fixed to the support structure, so that the fixed shaft 752 is stationary relative to the support structure, and the fixed shaft 752 penetrates the fan The proximal end 84 of 8 defines the channel. The advantage of the stationary shaft 752 being stationary relative to the support structure is that it reduces the chance of entanglement of hair entering the interior of the filter structure 7 . Further, the fixed shaft 752 is detachably mounted on the support structure, so that the user can easily disassemble it to clean the filter structure 7. Even if there are debris such as hair remaining inside the filter structure 7, the user only needs to simply clean it up. Can. Referring to the drawings, the filter frame is disposed in the accommodating groove 713 , and at least one bearing 753 is disposed in the accommodating groove 713 , and the filter frame 71 is rotatably mounted on the mounting frame 75 through the at least one bearing 713 .

Continuing to refer to Figures 3-6, the filter structure 7 includes a filter frame 71 and a filter screen 74 arranged on the filter frame 71, the filter screen 74 can be a metal mesh, and the metal mesh can be fixed to the filter by gluing or other methods after the metal mesh is processed. Rack 71. Of course, the filter screen 74 can also be integrally formed with the filter frame 71 . The filtering structure 7 also includes at least one guiding rib 76 arranged outside the filtering net 74 , the guiding rib 76 protrudes from the outer surface formed by the filtering net 74 , and the guiding rib 76 extends along the circumferential direction and the longitudinal direction of the filtering structure 7 at the same time. The guiding ribs 76 can prevent the hairs from abutting against the filter screen 74 , and can guide the hairs to move downwards so as to separate the hairs from the filter structure 7 . Referring to FIGS. 7-8 , the filter frame 71 includes a fan mounting bracket and a bearing mounting bracket, and the fan mounting bracket and the bearing mounting bracket are connected by a plurality of guide ribs 76 . The outer diameter of the filter structure 7 gradually decreases along the direction away from the air outlet 123 . That is, the hair entwined on the filter frame 71 is gradually thrown off during the rotation of the filter structure 7, and then enters into the ash removal port 14. 7 and 8, the filtering structure 7 includes a first end 711 close to the air outlet 123 and a second end 712 away from the air outlet 123, the outer periphery of the first end 711 is provided with a protective plate 77 extending radially outward. The protective plate 77 extends radially outward for an end distance, which can effectively prevent hair from entering the filter structure 7 from here.

10 is a cross-sectional view of a dust cup assembly in another embodiment. Figure 11 is a schematic diagram of a filter structure in another embodiment. The structure in this embodiment can adopt the structure described in the above-mentioned embodiment except that the installation manner of the filter structure is different from that in the above-mentioned embodiment. Referring to FIGS. 10-11 , in another implementation manner, the outer periphery of the filter structure 7 is provided with an outer bearing 82 , which is installed at the air outlet 123 through the outer bearing 82 . In this way, the interior of the filter structure 7 is basically empty, and the hair is basically not entangled, and the reliability of the filter structure 7 is improved.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the application listed in the description and the embodiment, and it can be applied to various fields suitable for the present invention. Additional modifications may readily be effected, therefore, the invention is not limited to the specific details and illustrations herein shown and described without departing from the general concept defined by the claims and the scope of equivalents.

Claims (10)

1. A dirt cup assembly comprising a cyclonic separation chamber and a dirt collection chamber, the dirt cup assembly further comprising an air outlet and a filter structure disposed at the air outlet, the filter structure being rotatably disposed within the dirt cup assembly to filter an air flow before exiting the air outlet;

a fan is arranged in the filter structure and rotates through airflow flowing out of the air outlet, so that the filter structure is driven to rotate;

wherein the fan comprises a near shaft end close to the rotation axis and a far shaft end far away from the rotation axis in the radial direction, and the near shaft end of the fan is suspended to form a channel.

2. The dirt cup assembly of claim 1,

the fan includes a plurality of flabellums, and is a plurality of the nearly axle head of flabellum is all unsettled setting.

3. The dirt cup assembly of claim 1 or 2,

still including being used for supporting filtration's mounting bracket, the mounting bracket set up in gas outlet department, and at least partial mounting bracket runs through the passageway.

4. The dirt cup assembly of claim 3,

the filtering structure comprises a filtering frame, the filtering frame is arranged in a containing groove, at least one bearing is arranged in the containing groove, and the filtering frame is rotatably arranged on the mounting frame through the at least one bearing.

5. The dirt cup assembly of claim 4,

the mounting bracket includes the fixed axle, the bearing install in the fixed axle is kept away from the one end of gas outlet.

6. The dirt cup assembly of claim 1 or 2,

the periphery of the filtering structure is provided with an outer bearing, and the outer bearing is arranged at the air outlet.

7. The dirt cup assembly of claim 1 or 2,

the filter structure includes being close to the first end of gas outlet and keeping away from the second end of gas outlet, the periphery of first end is provided with the guard plate that outwards extends along radial direction.

8. The dirt cup assembly of claim 5,

the fixed shaft is detachably arranged on the mounting frame.

9. The dirt cup assembly of claim 1 or 2,

the filter structure comprises a filter screen and a guide rib arranged on the outer side of the filter screen, wherein the guide rib protrudes out of the outer surface formed by the filter screen.

10. A surface cleaning apparatus, comprising a dirt cup assembly as recited in any one of claims 1-9.

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