CN113367613A

CN113367613A - Handheld dust collector of floor brush assembly

Info

Publication number: CN113367613A
Application number: CN202110713253.3A
Authority: CN
Inventors: 薛永升; 阮涛; 许颖华; 陈鹏; 胡斯特
Original assignee: Midea Group Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-10

Abstract

The application discloses a floor brush assembly and a handheld dust collector, wherein the floor brush assembly comprises a floor brush body and a nozzle assembly, the floor brush body is provided with an accommodating cavity with an opening, and a dust suction port communicated with the accommodating cavity; the nozzle assembly comprises a plurality of cyclone nozzles, the nozzle assembly is arranged on the floor brush body, and air outlets of the cyclone nozzles face the opening; and the cyclone nozzle is set in a state that the passing air flow forms a cyclone. This application has promoted dust collection efficiency, has reduced the damage to the carpet.

Description

Handheld dust collector of floor brush assembly

Technical Field

The application relates to the technical field of household appliances, in particular to a floor brush assembly and a handheld dust collector.

Background

The working principle of the dust collector is that vacuum is formed inside the dust collector, and dust is sucked into the dust collector under the action of air pressure difference, so that the aim of cleaning is fulfilled. When a dust collector is used for removing dust from a carpet, the dust embedded in the carpet is difficult to separate from the carpet.

It is currently common to sweep carpets with a brush to peel off the dust, which can cause damage to the carpet after extended use.

Disclosure of Invention

The application provides scrubbing brush subassembly and handheld dust catcher to solve current dust catcher when carrying out the carpet dust removal, dust collection efficiency is not high, and causes the technical problem of damage to the carpet easily.

In order to solve the technical problem, the application adopts a technical scheme that: the floor brush assembly comprises: the floor brush comprises a floor brush body, a dust collecting hole and a dust collecting groove, wherein the floor brush body is provided with an accommodating cavity with an opening and the dust collecting hole communicated with the accommodating cavity; the nozzle assembly comprises a plurality of cyclone nozzles, and is arranged on the floor brush body, wherein the air outlets of the cyclone nozzles face the opening; and the cyclone nozzle is set in a state that the passing air flow forms a cyclone.

According to an embodiment of the application, the cyclone nozzle comprises a wind guide part and a nozzle part, the nozzle part is conical, the wind guide part is communicated with the nozzle part, and airflow of the wind guide part enters the nozzle part along the radial direction of the nozzle part.

According to an embodiment of the application, the nozzle portion includes air inlet end and air-out end, and the size of air inlet end is greater than the size of air-out end, and the wind-guiding portion sets up in the air inlet end of nozzle portion.

According to one embodiment of the application, the cyclone nozzle is arranged obliquely towards the dust suction port in the direction from the air inlet to the air outlet.

According to an embodiment of the present application, the plurality of cyclone nozzles are arranged to form a single row or a plurality of rows.

According to one embodiment of the present application, the plurality of rows of cyclone nozzles are located on the same side of the dust suction opening, or the plurality of rows of cyclone nozzles are located on opposite sides of the dust suction opening.

According to an embodiment of the application, the nozzle assembly further comprises an air inlet structure, the air inlet structure forms an air inlet cavity, and an air inlet of the cyclone nozzle is communicated with the air inlet cavity.

According to an embodiment of the application, the multiple rows of cyclone nozzles are respectively positioned at two opposite sides of the dust suction opening, and the number of the air inlet structures is two and the two cyclone nozzles are respectively communicated with the two opposite sides of the dust suction opening.

According to an embodiment of the application, the air inlet structure is provided with at least two spaced air inlet cavities, the plurality of cyclone nozzles are divided into at least two groups of cyclone nozzles in the arrangement direction, and the air inlet of each group of cyclone nozzles is communicated with one air inlet cavity.

According to an embodiment of the present application, the floor brush assembly further comprises at least two fans, and the fan air outlet of each fan is communicated with one air inlet cavity.

According to one embodiment of the application, an air inlet hole communicated with the accommodating cavity is formed in the floor brush body; the scrubbing brush subassembly still includes the fan, and the fan sets up in holding the intracavity, and the fan air exit of fan communicates in the air intake of whirlwind nozzle.

According to an embodiment of the present application, the floor brush assembly further comprises a traveling mechanism, wherein the traveling mechanism is arranged on the floor brush body and used for moving the floor brush body.

According to one embodiment of the application, the travelling mechanism comprises four universal travelling wheels and four driving motors, and each universal travelling wheel is connected with one driving motor; four universal traveling wheels are arranged side by side two by two.

In order to solve the above technical problem, the present application adopts another technical solution: a handheld dust collector comprises the floor brush assembly.

According to an embodiment of the present application, a hand-held cleaner includes: the dust collection pipeline is connected to the floor brush assembly and communicated with the dust collection port; the dust collection main machine is connected to the dust collection pipeline, and an air suction opening of the dust collection main machine is communicated with the dust collection pipeline.

According to one embodiment of the present application, the exhaust outlet of the main vacuum cleaner communicates with the nozzle assembly.

The beneficial effect of this application is: the cyclone nozzle makes the airflow form a cyclone state, and the air outlet of the cyclone nozzle faces the opening, so that the rotating airflow is blown to the opening position, the substances such as dust on the floor or the carpet are blown out in a rotating mode, and the blown dust is sucked in the dust suction opening. Through above-mentioned a plurality of whirlwind nozzles, rotatory dusting and blowing off of material such as dust in floor or the carpet, then inhaled by the dust absorption mouth, therefore promoted the dust collection efficiency of scrubbing brush subassembly, reduced the damage to the carpet.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a first embodiment of a floor brush assembly according to the present application;

FIG. 2 is an exploded view of the first embodiment of the floor brush assembly shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the first embodiment of the floor brush assembly shown in FIG. 1;

FIG. 4 is another angular schematic view of the first embodiment of the floor brush assembly shown in FIG. 1;

FIG. 5 is a schematic view of a plurality of cyclone nozzles in the first embodiment of the floor brush assembly shown in FIG. 1;

FIG. 6 is a schematic cross-sectional view of the plurality of cyclone nozzles shown in FIG. 5;

FIG. 7 is a schematic view of the structure of a single cyclone nozzle among the plurality of cyclone nozzles shown in FIG. 5;

FIG. 8 is a top view of the single cyclone nozzle shown in FIG. 7;

FIG. 9 is an exploded schematic view of a second embodiment of the brush assembly of the present application;

FIG. 10 is a schematic view, partially in cross-section, of a second embodiment of the floor brush assembly shown in FIG. 9;

FIG. 11 is a schematic view of the construction of a cyclone nozzle in the second embodiment of the floor brush assembly shown in FIG. 9;

FIG. 12 is a schematic structural view of a third embodiment of a floor brush assembly according to the present application;

FIG. 13 is an exploded view of the third embodiment of the floor brush assembly shown in FIG. 12;

FIG. 14 is a schematic cross-sectional view of the third embodiment of the floor brush assembly shown in FIG. 12;

FIG. 15 is a schematic view of a plurality of cyclone nozzles in a third embodiment of the floor brush assembly shown in FIG. 12;

FIG. 16 is a schematic cross-sectional view of the plurality of cyclone nozzles shown in FIG. 15;

FIG. 17 is an exploded schematic view of a fourth embodiment of the brush assembly of the present application;

FIG. 18 is a first partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17;

FIG. 19 is a second partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17;

FIG. 20 is a third partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17;

FIG. 21 is a schematic cross-sectional view A-A of the fourth embodiment of the floor brush assembly shown in FIG. 20;

FIG. 22 is a top view of the fourth embodiment of the floor brush assembly shown in FIG. 17;

FIG. 23 is a schematic cross-sectional view of a fourth embodiment B-B of the floor brush assembly shown in FIG. 22;

FIG. 24 is a bottom view of the fourth embodiment of the floor brush assembly shown in FIG. 17;

FIG. 25 is a schematic view of the construction of the first embodiment of the hand-held cleaner of the present application;

FIG. 26 is a schematic view of a second embodiment of the hand-held cleaner of the present application;

FIG. 27 is a schematic view of a third embodiment of the hand-held cleaner of the present application.

Reference numerals: 10. a floor brush assembly; 1. a floor brush body; 11. an opening; 12. a dust suction port; 13. an accommodating chamber; 14. a floor brush mounting opening; 15. an air inlet hole; 16. an upper cover of the floor brush; 17. a floor brush base; 18. decorating a front cover plate; 2. a cyclone nozzle; 21. a wind guide part; 211. an air inlet; 22. a nozzle portion; 221. an air outlet; 3. an air inlet structure; 31. an air inlet cavity; 4. a fan; 41. an air inlet of the fan; 42. an air outlet of the fan; 61. a fan flow channel; 7. a dust collection port seal; 8. rolling and brushing; 100. a hand-held vacuum cleaner; 20. a dust collection host; 201. an air outlet; 202. a ventilation duct; 30. a dust collection duct; 301. a conducting rod connecting pipe; 302. a connecting hose; 303. a hose connection portion; 304. the connecting part is pressed and covered.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view of a first embodiment of a floor brush assembly according to the present application; FIG. 2 is an exploded view of the FIG. 1 illustration; fig. 3 is a schematic cross-sectional view of fig. 1. In an embodiment, the floor brush assembly 10 includes a floor brush body 1, the floor brush body 1 is formed with a containing cavity 13, the containing cavity 13 is used for containing the subsequently mentioned components, and the like, wherein the floor brush body 1 is provided with an opening 11, and the opening 11 is communicated with the containing cavity 13. When the floor brush assembly is in use, the opening 11 is directed towards the surface to be cleaned, which may in particular be a floor, a carpet or the like; the elements cleaned in the brush assembly are all arranged at the opening 11 for treating the surface to be cleaned, and dust is collected at the opening 11.

The floor brush body 1 is provided with a dust suction port 12, the dust suction port 12 is communicated with the accommodating cavity 13, the dust suction port 12 is also communicated with the opening 11, and substances such as dust on the surface to be cleaned are sucked through the opening 11 and collected through the dust suction port 12 to finish the cleaning of the surface to be cleaned. In this embodiment, a dust suction port sealing member 7 is further disposed at the dust suction port 12, so as to ensure that dust is collected by the dust suction port 12, and prevent the dust from entering other positions of the floor brush body 1.

This embodiment adopts the mode of blowing to raise to the dust that is difficult to clean, then the dust absorption is cleared up it again. For example, when the brush assembly 10 is used to clean dirt from seams or from carpets, the brush is no longer used to brush it out, but rather the air is blown to dislodge the dirt from the seams. Scrubbing brush subassembly 10 includes the nozzle assembly in this embodiment, and the nozzle assembly sets up on scrubbing brush body 1, and the nozzle assembly includes a plurality of whirlwind nozzles 2, and a plurality of whirlwind nozzles 2 are used for connecting the air current, and the air outlet 221 of a plurality of whirlwind nozzles 2 sets up towards opening 11, and the air current flows out from the air outlet 221 of a plurality of whirlwind nozzles 2, and blows to opening 11 position department. The plurality of cyclone nozzles 2 are disposed in a state such that the passing airflow forms a cyclone in the present embodiment. That is, the airflow enters from the air inlets 211 of the plurality of cyclone nozzles 2 and is blown out from the air outlets 211 of the plurality of cyclone nozzles 2 to form a rotating airflow, the cyclone has stronger disturbance effect on the dust, and the dust is easier to blow out. The cyclone nozzle 2 for realizing cyclone has various structures, and the structure of the cyclone nozzle 2 capable of blowing cyclone is in the protection range of the application.

Therefore, through the plurality of cyclone nozzles, substances such as dust in the floor or the carpet can be rotated, blown out and then sucked by the suction inlet, so that the dust removal efficiency of the floor brush assembly 10 is improved, and the damage to the carpet is reduced.

The number of the cyclone nozzles 2 may be two, three or more. When a plurality of cyclone nozzles 2 are provided, adjacent cyclone nozzles 2 can be independently arranged at intervals, and adjacent cyclone nozzles 2 are communicated at intervals. Of course, the plurality of cyclone nozzles 2 may be arranged in a row, and is not limited thereto. In addition, the cyclone nozzle 2 is used to connect with an air flow device (not shown in the figure) which is used to provide air flow to the cyclone nozzle 2, and the air flow can be normal pressure air flow or high pressure air flow. After whirlwind nozzle 2 lifts the dust, inhale by dust absorption mouth 12 and collect, this process all realizes in scrubbing brush body 1, for avoiding the too big dust that leads to of air current dynamics to be blown out scrubbing brush body 1, chooses for use less air current usually, cooperation whirlwind for the dust can be better is raised.

Referring to fig. 4, 5 and 6, fig. 4 is another schematic view from the angle shown in fig. 1; FIG. 5 is a schematic view of the structure of the cyclone nozzle shown in FIG. 1; fig. 6 is a schematic cross-sectional view of fig. 5. Specifically, with reference to fig. 1 to 3, the cyclone nozzle 2 includes an air guiding portion 21 and a nozzle portion 22, the air guiding portion 21 and the nozzle portion 22 are arranged in a communicating manner, the air guiding portion 21 is used for connecting an air flow, and the air flow enters into the air guiding portion 21. Wherein the air flow of the air guiding part 21 enters the nozzle part 22 along the radial direction of the nozzle part 22. After the air flow enters the nozzle portion 22 from the air guide portion 21, the nozzle portion 22 is disposed in a conical shape, so that a swirling air flow is formed from the air outlet 221 in the nozzle portion 22. In addition, the transverse section of the nozzle part 22 arranged in a conical shape is gradually reduced, the airflow velocity is increased, the rotating airflow velocity formed by the nozzle part 22 is larger, the impulsive force of the cyclone airflow at the nozzle part 22 to a carpet is further improved, and dust is easier to blow out from the carpet and the like.

Referring to fig. 7 and 8, fig. 7 is a schematic view showing the structure of a single cyclone nozzle shown in fig. 5; fig. 8 is a top view of fig. 7. With reference to fig. 4 to 6, in order to further increase the flow velocity of the rotational airflow, the airflow in the air guiding portion 21 enters the nozzle portion 22 tangentially, that is, the airflow from the air guiding portion 21 to the nozzle portion 22 is arranged tangentially to the diameter of the nozzle portion 22 in the direction, so that the airflow completely adheres to the inner wall of the nozzle portion 22 to rotate, the rotational length of the airflow is increased, the speed of the rotational airflow is further increased, and the dust removing effect of the floor brush assembly 10 is further improved. The air guide portion 21 and the nozzle portion 22 may be integrally formed or may be fixedly connected to each other, and are not limited herein. In this embodiment, the air guiding portion 21 and the nozzle portion 22 are integrally formed, and the air guiding portion 21 is disposed at a tangential position of the nozzle portion 22, so that the air inlet 211 is perpendicular to the tangential position of the nozzle portion 22. The inner wall of the air duct of the nozzle part 22 can be provided with a spiral structure to facilitate the formation of the rotating air flow.

Specifically, the nozzle portion 22 includes an air inlet end (not shown in the figure) and an air outlet end (not shown in the figure), and when the airflow enters from the air inlet end and exits from the air outlet end to form the cyclone, the airflow velocity can be increased because the size of the air inlet end is larger than that of the air outlet end, and the flow velocity of the cyclone airflow is further increased. The air guiding part 21 is arranged at the air inlet end of the nozzle part 22, and the air flow enters the air inlet end of the nozzle part 22 through the air guiding part 21. Wherein the air outlet 221 is formed at the air outlet end.

In one embodiment, referring to fig. 6, the cyclone nozzle 2 is formed with an air inlet 211 and an air outlet 221, the air inlet 211 is used for connecting the air flow, and the air outlet 221 is communicated with the opening 11 and faces the opening 11. In the direction from the air inlet 211 to the air outlet 221, the cyclone nozzle 2 is obliquely arranged towards the dust collection port 12, namely, the rotating airflow formed by the cyclone nozzle 2 is sprayed out at an oblique angle and blows towards a carpet and the like, and the blowing direction inclines towards the dust collection port 12, so that the dust is blown towards the dust collection port 12, the dust collection port 12 is convenient to suck, and the dust collection effect of the floor brush assembly 10 is improved. The air inlet 211 is formed in the air guide portion 21, and the air outlet 221 is formed in the nozzle portion 22. Specifically, the cyclone nozzle 2 is inclined toward the dust suction port 12 at an angle of 45 to 90 degrees with respect to the floor surface so as to blow up the dust. The included angle may be 45 degrees, 50 degrees, 60 degrees, 90 degrees, and the like.

Referring to fig. 9, 10 and 11, fig. 9 is an exploded view of a second embodiment of a floor brush assembly according to the present application;

FIG. 10 is a schematic view, partially in cross-section, of a second embodiment of a floor brush assembly according to the present application; fig. 11 is a schematic view of the structure of the cyclone nozzle shown in fig. 9. In an embodiment, when the number of the cyclone nozzles 2 is plural, the cyclone nozzles 2 may be arranged in rows. When the cyclone nozzles 2 are arranged in rows, a single row of cyclone nozzles 2, two rows of cyclone nozzles 2, three rows of cyclone nozzles 2, or a plurality of rows of cyclone nozzles 2 may be formed. Be single row or multirow with a plurality of whirlwind nozzles 2, can increase material processing area such as dust, promote material efficiency such as scrubbing brush subassembly 10 processing dust, also do benefit to the structural design of scrubbing brush subassembly 10. The plurality of cyclone nozzles 2 can be integrated together in rows, and the air inlets 211 of the cyclone nozzles 2 in each row are arranged in the same direction, so that the air flow enters the air inlets 211 of the cyclone nozzles 2.

Specifically, referring to fig. 1 and 9, when the plurality of cyclone nozzles 2 are arranged in at least two rows, the plurality of rows of cyclone nozzles 2 can be located on the same side of the dust suction opening 12, so that the flow rate of the rotating airflow is increased, dust in the carpet can be blown out in a rotating manner, and the dust removal efficiency of the floor brush assembly 10 is improved. The at least two rows of cyclone nozzles 2 may be integrally formed or may be spliced, and are not limited herein. When the plurality of rows of cyclone nozzles 2 are all arranged on the same side of the suction opening 12, one or more airflow devices for providing airflow can be shared.

Referring to fig. 12, 13, 14, 15 and 16, fig. 12 is a schematic structural view of a third embodiment of a floor brush assembly according to the present application; FIG. 13 is an exploded view of FIG. 12; FIG. 14 is a schematic cross-sectional view of FIG. 12; FIG. 15 is a schematic view of the structure of the cyclone nozzle shown in FIG. 12; fig. 16 is a schematic cross-sectional view of the cyclone nozzle shown in fig. 15. In other embodiments, when the plurality of cyclone nozzles 2 are arranged in at least two rows, the plurality of rows of cyclone nozzles 2 can be respectively located at two opposite sides of the dust suction opening 12, so that the dust suction area of the floor brush assembly 10 is increased, and the dust suction efficiency of the floor brush assembly 10 is further improved. In order to increase the flow rate of the rotating airflow at two opposite sides of the dust suction opening 12, at least two rows of cyclone nozzles 2 may be arranged at two opposite sides of the dust suction opening 12, for example, two rows of cyclone nozzles 2, three rows of cyclone nozzles 2, or multiple rows of cyclone nozzles 2 are arranged at two opposite sides of the dust suction opening 12. In this embodiment, the two rows of cyclone nozzles 2 are provided on the opposite sides of the dust suction opening 12, and the two rows of cyclone nozzles 2 are provided independently.

The air inlets 211 of the plurality of cyclone nozzles 2 can be independently arranged and respectively communicated with the air flow device to respectively provide air flow for each cyclone nozzle 2. Alternatively, the air inlets 211 of the plurality of cyclone nozzles 2 may be disposed to communicate with each other and then communicate with the air flow device.

Referring to fig. 17, 18 and 19, fig. 17 is an exploded view of a fourth embodiment of a floor brush assembly according to the present application; FIG. 18 is a first partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17; FIG. 19 is a second partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17. In one embodiment, the nozzle assembly further comprises an air inlet structure 3, the air inlet structure 3 is formed with an air inlet cavity 31, and one end of the air inlet cavity 31 is used for connecting with an air flow device, so that the air flow enters the air inlet cavity 31. The other end of the air inlet cavity 31 is used for communicating with the air inlets 211 of the plurality of cyclone nozzles 2. The airflow enters the air inlets 211 of the plurality of cyclone nozzles 2 from the air inlet cavity 31 in the air inlet structure 3 and flows out from the air outlets 221 of the plurality of cyclone nozzles 2 to blow to the position of the opening 11. That is, the plurality of cyclone nozzles 2 share the same air inlet cavity 31, so that the air flow is convenient to converge in the air inlet cavity 31 and then respectively enter the air inlets 211 of the plurality of cyclone nozzles 2, and the flow speed of the air flow flowing to the cyclone nozzles 2 is improved.

In an embodiment, referring to fig. 17, 18 and 19, the air intake structure 3 is formed with one, two or more air intake cavities 31, adjacent air intake cavities 31 are arranged at intervals, the plurality of cyclone nozzles 2 are divided into one, two or more groups of cyclone nozzles 2 in the arrangement direction, wherein the air inlet 211 of each group of cyclone nozzles 2 is independently communicated with one air intake cavity 31. Compare in one row or multirow cyclone nozzle 2 sharing an air inlet structure 3, through the mutual intercommunication of the air intake 211 of above-mentioned every group cyclone nozzle 2 and the air inlet cavity 31 that corresponds, can improve the homogeneity of air current air supply for the air current can get into in every independent cyclone nozzle 2 more evenly, and then promotes the homogeneity of removing dust. In this embodiment, when the one or more rows of the cyclone nozzles 2 are located on the same side of the suction opening 12, the nozzle assembly comprises two air inlet structures 3. Of course, the nozzle assembly may also comprise a plurality of air inlet structures 3, and the number of the air inlet structures 3 may be determined according to actual conditions.

In practice, the floor brush assembly 10 includes a fan 4, and the fan 4 may be disposed on the floor brush assembly 1 for providing an air flow to the nozzle assembly. A plurality of fans 4 can be arranged corresponding to the plurality of air inlet cavities 31 arranged at intervals, and the fan air outlet 42 of each fan is communicated with one air inlet cavity 31 so as to further ensure the air inlet uniformity of the cyclone nozzle corresponding to each air inlet cavity 31.

Wherein the fan 4 may be arranged outside the floor brush assembly 10. When the fan 4 is arranged outside the floor brush assembly 10, the fan 4 comprises a fan air inlet 41 and a fan air outlet 42, the fan air inlet 41 is used for allowing outside air to enter, the fan air outlet 42 is communicated with one end of a fan flow channel 61, and the other end of the fan flow channel 61 is connected with the floor brush body 1 and is communicated with the air inlet structure 3 of the nozzle assembly. Compared with the prior art, the high-pressure air flow is provided by the fan 4 in the embodiment.

Specifically, referring to fig. 1 and 9, when the plurality of rows of cyclone nozzles 2 are located on the same side of the dust suction port 12, one or more fans 4 may be provided, and the plurality of fans 4 are connected in series and only one fan exhaust port 42 needs to be formed. Referring to fig. 12 to 14, when the multiple rows of cyclone nozzles 2 are respectively located at two opposite sides of the dust collection opening 12, due to the interference of the position of the dust collection opening 12, the fan air outlets of one or more fans 4 are difficult to provide air flow for the multiple rows of cyclone nozzles 2 at two opposite sides of the dust collection opening 12 at the same time, so that at least two fans 4 are respectively arranged at two opposite sides of the dust collection opening 12, so that the multiple rows of cyclone nozzles 2 at two opposite sides of the dust collection opening 12 are at least communicated with one fan 4, and thus, air flow is provided conveniently.

Referring to fig. 20 and 21, fig. 20 is a third partial schematic view of the fourth embodiment of the floor brush assembly shown in fig. 17; FIG. 21 is a schematic cross-sectional view A-A of the fourth embodiment of the floor brush assembly shown in FIG. 20. In other embodiments, the fan 4 can also be disposed inside the floor brush assembly 10, for example, the floor brush body 1 is formed with an air inlet hole 15, and the air inlet hole 15 is disposed to communicate with the accommodating cavity 13. The fan 4 is disposed in the accommodating chamber 13. The fan 4 is communicated with the air inlet hole 15 and used for sucking outside air into the accommodating cavity 13, and an air outlet of the fan 4 is communicated with an air inlet 211 of the cyclone nozzle 2 so as to provide airflow for the cyclone nozzle 2. Provide the air current and set up fan 4 in scrubbing brush subassembly 1 for the nozzle assembly through fan 4 for scrubbing brush subassembly 10 compact structure and succinct, has promoted the outward appearance nature. Wherein the fan 4 may be the above mentioned air flow device.

Whether the fan 4 is arranged outside or inside the floor brush assembly 10, the number of the fans 4 can be one, two or more, and the number is more practical. The multiple rows of cyclone nozzles 2 can be divided into one or more groups of cyclone nozzles 2, wherein the number of the fans 4 can be determined according to the number of the groups of cyclone nozzles 2. If the plurality of rows of cyclone nozzles 2 are not grouped, the number of the fans 4 can be one, and the plurality of rows of cyclone nozzles 2 share one fan 4. When multirow whirlwind nozzle 2 divide into two sets ofly, fan 4 quantity is two, and every whirlwind nozzle 2 of group communicates with fan 4 that corresponds, can promote the homogeneity that the air current flows.

In one embodiment, when the plurality of rows of cyclone nozzles 2 are located on the same side of the suction opening 12, one, two or more fans 4 may be used in common. When the plurality of rows of cyclone nozzles 2 are respectively located at opposite sides of the dust suction opening 12, the plurality of rows of cyclone nozzles 2 located at opposite sides of the dust suction opening 12 may be respectively provided in communication with one, two, or more fans 4. The fan 4 may be a centrifugal fan or the like.

Referring to fig. 22, 23 and 24, fig. 22 is a top view of the fourth embodiment of the floor brush assembly shown in fig. 17;

FIG. 23 is a schematic cross-sectional view of a fourth embodiment B-B of the floor brush assembly shown in FIG. 22; figure 24 is a bottom view of the fourth embodiment of the floor brush assembly shown in figure 17.

In one embodiment, the floor brush assembly 10 may include a rolling brush 8, and the rolling brush 8 is rotatably disposed on the floor brush body 1 to assist in cleaning dust in a carpet; meanwhile, the rolling brush 8 is matched with the cyclone nozzle 2, so that the cleaning efficiency of the floor brush assembly 10 is improved. The roll brush 8 may be passively rotated, i.e., rotated by friction with the ground while the floor brush assembly 10 is moved. The roller brush 8 can also be actively rotated, i.e. the roller brush 8 can be connected to a motor (not shown), which drives the roller brush 8 to move when the floor brush assembly 10 is in operation. The rolling brush 8 can be a soft-wool rolling brush, and the winding of the hair can be reduced in the process of cleaning the carpet by the soft-wool rolling brush.

Of course, in other embodiments, the floor brush assembly 10 may be provided without the roll brush 8. The floor brush assembly 10 may be provided with a traveling mechanism (not shown) mounted to the floor brush body 1 for moving the floor brush body 1. The traveling mechanism may have any structure as long as the floor brush body 1 can move, and is not limited herein.

Specifically, running gear includes four universal traveling wheel and four driving motor, and four universal traveling wheel and four driving motor all install on scrubbing brush body 1. Each universal traveling wheel is connected with a driving motor, the four universal traveling wheels are respectively provided with a Maclam wheel, and each Maclam wheel is correspondingly connected with one driving motor. The automatic walking of the floor brush assembly 10 is realized by adopting a driving mode that the driving motor drives the mikaram wheel, and the automatic walking floor brush assembly can be used for equipment such as a floor sweeping robot and a handheld dust collector. When being used for on the handheld dust catcher, can make the process of mopping of sweeping the floor light more, promote the science and technology of handheld dust catcher and feel and intelligent level, promote with product value. In addition, through the miklamer wheel that adopts four driving motor independent control, can realize the motion of scrubbing brush subassembly 10 to all directions, solved scrubbing brush subassembly 10 and can not realize the difficult problem of multi-direction walking, realize the experience of cleaning of multidimension degree, need not the back and forth movement and ask to sweep, promote user satisfaction.

The four universal traveling wheels are arranged in pairs, and are located at the same height, so that the floor brush assembly 10 can stably travel on the ground by arranging the four universal traveling wheels. In addition, because at least one of them universal traveling wheel swing joint in scrubbing brush body 1 to move to not co-altitude, thereby when local brush subassembly 10 walked to uneven ground surface, the universal traveling wheel that this activity set up can the difference in height on relative balance unevenness ground, and universal traveling wheel keeps the state of laminating ground walking, avoids skidding on ground, and universal traveling wheel can maintain its performance itself, and the whole walking of scrubbing brush subassembly 10 is steady.

It should be noted that the four universal traveling wheels are located at the same height, which means that when the four universal traveling wheels are arranged on a normal flat ground, the four universal traveling wheels can all be in contact with the normal flat ground (if the four universal traveling wheels are the same size, the rotation axes of the four universal traveling wheels are located at the same height). And at least one walking wheel is movably connected to the floor brush body 1 in a mode of being capable of moving to different heights besides rotating per se.

In an embodiment, referring to fig. 2, 9 and 13, the floor brush body 1 is provided with a floor brush mounting opening 14, and the position of the floor brush mounting opening 14 is related to the arrangement manner of the multiple rows of cyclone nozzles 2. When the plurality of rows of cyclone nozzles 2 are all located on the same side of the suction opening 12, the floor brush mounting opening 14 may be located only on the same side of the suction opening 12. When the plurality of rows of the cyclone nozzles 2 are positioned at opposite sides of the dust suction opening 12, the floor brush mounting openings 14 are positioned at opposite sides of the dust suction opening 12. The floor brush mounting opening 14 is communicated with the multiple rows of cyclone nozzles 2, meanwhile, the multiple rows of cyclone nozzles 2 are communicated with the air inlet structure 3, and air flow enters the multiple rows of cyclone nozzles 2 through the air inlet structure 3.

Specifically, the floor brush mounting opening 14 is in a long strip shape and is arranged along the length direction of the floor brush body 1, wherein the nozzle part 22 in the cyclone nozzle 2 can be inserted into the floor brush body 1, and then the air guide part 21 in the cyclone nozzle 2 is fixed on the outer surface of the floor brush body 1 through fixing parts such as bolts and the like, so that the mounting and dismounting of the nozzle assembly are realized.

In addition, please refer to fig. 17, the floor brush body 1 includes a floor brush upper cover 16, a floor brush base 17 and a decorative front cover plate 18, wherein the floor brush upper cover 16, the floor brush base 17 and the decorative front cover plate 18 are detachably connected, and the three are surrounded to form an accommodating cavity 13, so that the nozzle assembly and the fan 4 are disposed in the accommodating cavity 13, not only the floor brush assembly 10 is compact and simple in structure, and the appearance is improved. Compared with the prior art, the cyclone nozzle in the embodiment enables the airflow to form a cyclone state, and the air outlet of the cyclone nozzle is arranged towards the opening, so that the rotating airflow is blown to the opening position, the substances such as dust on a floor or a carpet are blown out in a rotating mode, and the blown dust is sucked in the dust suction opening. Through above-mentioned a plurality of whirlwind nozzles, rotatory dusting and blowing off of material such as dust in floor or the carpet, then inhaled by the dust absorption mouth, therefore promoted the dust collection efficiency of scrubbing brush subassembly, reduced the damage to the carpet.

Referring to fig. 25, 26 and 27, fig. 25 is a schematic structural view of the first embodiment of the handheld vacuum cleaner of the present application; FIG. 26 is a schematic view of a second embodiment of the hand-held cleaner of the present application; FIG. 27 is a schematic view of a third embodiment of the hand-held cleaner of the present application. In one embodiment, the handheld vacuum cleaner 100 comprises the floor brush assembly 10, and the handheld vacuum cleaner 100 can improve the dust removal efficiency of the handheld vacuum cleaner 100 by using the floor brush assembly 10, so that the damage to a carpet and the like is reduced. It should be noted that the floor brush assembly 10 in this embodiment is the floor brush assembly 10 explained in the above embodiments, and details are not described herein.

The handheld dust collector can blow up dust in a carpet or a ground gap by utilizing the rotating airflow so as to improve the cleaning effect, and a brush structure is not needed to be used for brushing up the dust, so that the carpet is not damaged. In addition, the air exhausted by the dust suction fan in the handheld dust collector is used as the blown cyclone, so that the energy utilization rate is improved.

Specifically, the handheld vacuum cleaner 100 includes a main vacuum cleaner 20 and a vacuum duct 30, and the vacuum duct 30 is rotatably disposed on the floor brush assembly 10, that is, the vacuum duct 30 can be rotatably disposed relative to the floor brush body 1. That is, the user can rotate relative to the floor brush body 1 through the dust suction duct 30 while holding the dust suction main body 30, so that the user can operate the dust collector conveniently, and the movement of the floor brush assembly 10 in different directions can be realized.

One end of the dust suction pipe 30 is communicated with the dust suction port 12, the other end of the dust suction pipe 30 is communicated with an air suction port of the main dust suction machine 30, and the main dust suction machine 20 is used for providing suction force so that the dust suction port 12 can suck dust into the dust suction pipe 30.

Therefore, the air outlet 201 of the main dust collector 20 is communicated with the nozzle assembly, so that the air flow formed at the tail of the main dust collector 20 can be fully utilized, the waste of energy is avoided, and the cost is saved. In the present embodiment, as mentioned above, the airflow from the cyclone nozzle 2 does not need to be large, so that a part of the airflow in the exhaust outlet 201 of the main dust collector 20 can be utilized, and another part of the airflow is exhausted to the external environment, that is, the exhaust of the main dust collector 20 is divided, and a part of the airflow is communicated with the air intake structure, and another part of the airflow is connected to the external environment, so as to ensure heat dissipation.

Referring to fig. 17 and 23, the dust suction duct 30 may include a conductive rod connection pipe 301 and a connection hose 302, and the connection hose 302 is sleeved in the conductive rod connection pipe 301. Meanwhile, the dust suction duct 30 includes a hose connection portion 303, and the hose connection portion 303 is disposed on the floor brush assembly 10, for example, the hose connection portion 303 can be detached from the floor brush assembly 10. The connection hose 303 is connected to the hose connection portion 303 via a connection portion cover 304. Wherein the connection hose 302 partially leaks out between the wand connector 301 and the hose connector 303 to enable the dust extraction duct 30 to be rotated relative to the floor brush assembly 10.

Optionally, a limiting post (not shown) is disposed on the periphery of the dust suction duct 30, the floor brush body 1 is provided with a limiting lug (not shown), and the limiting post in the dust suction duct 30 rotates in the limiting lug in the floor brush body 1, so that the dust suction duct 30 rotates relative to the floor brush body 1.

In one embodiment, the hand-held cleaner 100 includes an air duct 202, and the air duct 202 may be disposed inside the cleaner main body 20, as shown in fig. 27. Alternatively, the ventilation duct 202 is provided outside the main vacuum cleaner 20, for example, between the outside of the main vacuum cleaner 20 and the floor brush assembly 10, as shown in fig. 25 and 26. The ventilation duct 202 is communicated with the air outlet 201 of the dust collection main unit 20 and the air inlet structure 3, and the air flow discharged by the dust collection main unit 20 can enter the air inlet structure 3 through the air outlet 201 and the ventilation duct 202.

By providing the ventilation duct 202 inside the main cleaner body 20, the compactness of the structure of the hand-held cleaner 100 can be improved, and the beauty of the hand-held cleaner 100 can be improved.

The terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating the number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. A process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements but may alternatively include additional steps or elements not listed or inherent to such process, method, article, or apparatus.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. A floor brush assembly, comprising:

the floor brush comprises a floor brush body, a dust collecting hole and a dust collecting groove, wherein the floor brush body is provided with an accommodating cavity with an opening and the dust collecting hole is communicated with the accommodating cavity;

the nozzle assembly comprises a plurality of cyclone nozzles and is arranged on the floor brush body, wherein air outlets of the cyclone nozzles face the opening; and the cyclone nozzle is arranged in a state that the passing airflow forms cyclone.

2. The floor brush assembly of claim 1, wherein the cyclone nozzle comprises a conical nozzle portion and a conical nozzle portion, the air guide portion is communicated with the nozzle portion, and the airflow of the air guide portion enters the nozzle portion along a radial direction of the nozzle portion.

3. The floor brush assembly of claim 2, wherein the nozzle portion includes an air inlet end and an air outlet end, the air inlet end being larger in size than the air outlet end, the air guide portion being disposed at the air inlet end of the nozzle portion.

4. The floor brush assembly of claim 1, wherein the cyclone nozzle is disposed to be inclined toward the dust suction port in a direction from the air inlet to the air outlet.

5. The floor brush assembly of claim 1, wherein the plurality of cyclone nozzles are arranged to form a single row or a plurality of rows.

6. A floor brush assembly according to claim 5, wherein the rows of the cyclonic nozzles are all located on the same side of the suction opening or the rows of the cyclonic nozzles are located on opposite sides of the suction opening.

7. The floor brush assembly of claim 5, wherein the nozzle assembly further comprises an air inlet structure, the air inlet structure forms an air inlet cavity, and an air inlet of the cyclone nozzle is communicated with the air inlet cavity.

8. The floor brush assembly of claim 7, wherein the plurality of rows of cyclone nozzles are respectively located at two opposite sides of the dust suction opening, and the number of the air inlet structures is two, and the two air inlet structures are respectively communicated with the cyclone nozzles at two opposite sides of the dust suction opening.

9. The floor brush assembly of claim 7, wherein the air inlet structure is formed with at least two spaced air inlet cavities, the plurality of cyclone nozzles are divided into at least two sets of cyclone nozzles in the arrangement direction, and the air inlet of each set of cyclone nozzles is communicated with one of the air inlet cavities.

10. The floor brush assembly of claim 9, further comprising at least two fans, wherein a fan outlet of each fan is in communication with one of the air inlet cavities.

11. The floor brush assembly as claimed in claim 1, wherein the floor brush body is formed with an air inlet hole communicating with the accommodating chamber; the scrubbing brush subassembly still includes the fan, the fan set up in hold the intracavity, the fan air exit of fan communicate in the air intake of whirlwind nozzle.

12. The floor brush assembly of claim 1, further comprising a traveling mechanism disposed on the floor brush body for moving the floor brush body.

13. The floor brush assembly of claim 12, wherein the travel mechanism includes four ground-engaging wheels and four drive motors, one drive motor connected to each ground-engaging wheel; and the four universal traveling wheels are arranged side by side in pairs.

14. A hand-held cleaner, characterised in that the hand-held cleaner comprises a floor brush assembly according to any one of claims 1-13.

15. The hand-held cleaner of claim 14, comprising:

the dust collection pipeline is connected to the floor brush assembly and communicated with the dust collection port;

the dust collection main machine is connected to the dust collection pipeline, and an air suction opening of the dust collection main machine is communicated with the dust collection pipeline.

16. The hand-held vacuum cleaner of claim 15, wherein the exhaust outlet of the vacuum cleaner main body is in communication with the nozzle assembly.