WO2022268199A1 - Ensemble brosse à parquets et aspirateur portatif - Google Patents

Ensemble brosse à parquets et aspirateur portatif Download PDF

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Publication number
WO2022268199A1
WO2022268199A1 PCT/CN2022/101077 CN2022101077W WO2022268199A1 WO 2022268199 A1 WO2022268199 A1 WO 2022268199A1 CN 2022101077 W CN2022101077 W CN 2022101077W WO 2022268199 A1 WO2022268199 A1 WO 2022268199A1
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WO
WIPO (PCT)
Prior art keywords
cyclone
brush assembly
nozzle
air inlet
ground brush
Prior art date
Application number
PCT/CN2022/101077
Other languages
English (en)
Chinese (zh)
Inventor
薛永升
阮涛
许颖华
陈鹏
胡斯特
Original Assignee
广东美的白色家电技术创新中心有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202110713253.3A external-priority patent/CN113367613A/zh
Priority claimed from CN202121439843.3U external-priority patent/CN215959602U/zh
Application filed by 广东美的白色家电技术创新中心有限公司, 美的集团股份有限公司 filed Critical 广东美的白色家电技术创新中心有限公司
Publication of WO2022268199A1 publication Critical patent/WO2022268199A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/08—Nozzles with means adapted for blowing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings

Definitions

  • the present application relates to the technical field of home appliances, in particular to a floor brush assembly and a hand-held vacuum cleaner.
  • the working principle of the vacuum cleaner is to form a vacuum inside, and the dust is sucked into the vacuum cleaner under the action of the air pressure difference, so as to achieve the purpose of cleaning.
  • a vacuum cleaner to remove dust from the carpet, it is difficult to separate the dust from the carpet for the dust embedded in the carpet.
  • the application provides a floor brush assembly and a hand-held vacuum cleaner to solve the technical problem that the existing vacuum cleaner has low dust removal efficiency and is easy to cause damage to the carpet when cleaning carpets.
  • the ground brush assembly includes: the ground brush body, the ground brush body forms an accommodation chamber with an opening, and a dust suction port communicating with the accommodation chamber; the nozzle assembly, the nozzle assembly includes multiple A cyclone nozzle, the nozzle assembly is arranged on the ground brush body, wherein, the air outlet of the cyclone nozzle is arranged towards the opening; and the cyclone nozzle is arranged so that the air flow passing through forms a state of a cyclone.
  • the cyclone nozzle includes an air guide part and a nozzle part, the nozzle part is conical, the air guide part communicates with the nozzle part, and the airflow of the air guide part enters the nozzle part along the radial direction of the nozzle part.
  • the nozzle part includes an air inlet end and an air outlet end, the size of the air inlet end is larger than that of the air outlet end, and the air guide part is disposed at the air inlet end of the nozzle part.
  • the cyclone nozzle is arranged obliquely toward the dust suction port in a direction from the air inlet to the air outlet.
  • a plurality of cyclone nozzles are arranged to form a single row or multiple rows.
  • the multiple rows of cyclone nozzles are all located on the same side of the dust suction opening, or the multiple rows of cyclone nozzles are respectively located on opposite sides of the dust suction opening.
  • the nozzle assembly further includes an air inlet structure, the air inlet structure forms an air inlet chamber, and the air inlet of the cyclone nozzle communicates with the air inlet chamber.
  • the rows of cyclone nozzles are respectively located on opposite sides of the dust suction opening, and the number of air inlet structures is two, which are respectively connected to the cyclone nozzles on opposite sides of the dust suction opening.
  • the air inlet structure is formed with at least two spaced air inlet cavities, and 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 connected to one air inlet. cavity.
  • the ground brush assembly further includes at least two fans, and the fan outlet of each fan is connected to an air inlet cavity.
  • the floor brush body is formed with an air inlet hole communicating with the accommodation chamber;
  • the floor brush assembly further includes a fan, the fan is arranged in the accommodation chamber, and the fan outlet of the fan is connected to the air inlet of the cyclone nozzle.
  • the ground brush assembly further includes a running mechanism, which is arranged on the ground brush body for moving the ground brush body.
  • the traveling mechanism includes four universal traveling wheels and four driving motors, and each universal traveling wheel is connected to a driving motor; the four universal traveling wheels are arranged in pairs.
  • a hand-held vacuum cleaner which includes the above-mentioned ground brush assembly.
  • the handheld vacuum cleaner includes: a dust suction pipe connected to the ground brush assembly and connected to the dust suction port; .
  • the air exhaust port of the vacuum main unit communicates with the nozzle assembly.
  • the cyclone nozzle makes the airflow form a cyclone state, because the air outlet of the cyclone nozzle is set towards the opening, so that the above-mentioned rotating airflow blows to the position of the opening, thereby rotating and blowing out the dust and other substances on the floor or carpet, and being blown out.
  • the blown dust is sucked in at the suction port.
  • Fig. 1 is a schematic structural view of the first embodiment of the ground brush assembly of the present application
  • Fig. 2 is an exploded schematic view of the first embodiment of the ground 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 perspective view of the first embodiment of the ground brush assembly shown in Fig. 1;
  • Fig. 5 is a structural schematic diagram of multiple cyclone nozzles in the first embodiment of the ground brush assembly shown in Fig. 1;
  • Fig. 6 is a schematic cross-sectional view of a plurality of cyclone nozzles shown in Fig. 5;
  • Fig. 7 is a schematic structural view of a single cyclone nozzle among the plurality of cyclone nozzles shown in Fig. 5;
  • Fig. 8 is a top view of a single cyclone nozzle shown in Fig. 7;
  • Fig. 9 is an exploded schematic diagram of the second embodiment of the floor brush assembly of the present application.
  • Fig. 10 is a schematic partial cross-sectional view of the second embodiment of the floor brush assembly shown in Fig. 9;
  • Fig. 11 is a schematic structural view of the cyclone nozzle in the second embodiment of the floor brush assembly shown in Fig. 9;
  • Fig. 12 is a schematic structural view of the third embodiment of the ground brush assembly of the present application.
  • Fig. 13 is an exploded schematic diagram of the third embodiment of the floor brush assembly shown in Fig. 12;
  • Fig. 14 is a schematic cross-sectional view of a third embodiment of the ground brush assembly shown in Fig. 12;
  • Fig. 15 is a schematic structural view of multiple cyclone nozzles in the third embodiment of the ground brush assembly shown in Fig. 12;
  • Fig. 16 is a schematic cross-sectional view of a plurality of cyclone nozzles shown in Fig. 15;
  • Fig. 17 is an exploded schematic diagram of the fourth embodiment of the floor brush assembly of the present application.
  • Fig. 18 is a first partial schematic view of the fourth embodiment of the ground brush assembly shown in Fig. 17;
  • Fig. 19 is a second partial schematic diagram of the fourth embodiment of the ground 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 of A-A in the fourth embodiment of the ground brush assembly shown in Fig. 20;
  • Fig. 22 is a top view of the fourth embodiment of the ground brush assembly shown in Fig. 17;
  • Fig. 23 is a schematic cross-sectional view of the fourth embodiment B-B of the ground brush assembly shown in Fig. 22;
  • Fig. 24 is a bottom view of the fourth embodiment of the ground brush assembly shown in Fig. 17;
  • 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 structural view of the second embodiment of the handheld vacuum cleaner of the present application.
  • Fig. 27 is a schematic structural view of the third embodiment of the handheld vacuum cleaner of the present application.
  • Fig. 1 is a schematic structural view of the first embodiment of the floor brush assembly of the present application
  • Fig. 2 is a schematic diagram of explosion shown in Fig. 1
  • Fig. 3 is a schematic cross-sectional view of Fig. 1
  • the floor brush assembly 10 includes a floor brush body 1, and the floor brush body 1 is formed with an accommodation chamber 13 for accommodating the parts and the like mentioned later, wherein the floor brush body 1 is provided with an opening 11, The opening 11 communicates with the receiving cavity 13 .
  • the opening 11 faces the surface to be cleaned, specifically the floor, carpet, etc.; the cleaning elements in the floor brush assembly are all arranged at the opening 11 to treat the surface to be cleaned, and collect dust at the opening 11 .
  • the floor brush body 1 is provided with a suction port 12, which is communicated with the housing cavity 13, and the dust suction port 12 is also communicated with the opening 11, wherein dust and other substances on the surface to be cleaned are sucked through the opening 11, and then The dust suction port 12 realizes collection to complete the cleaning of the surface to be cleaned.
  • a dust suction port seal 7 is also provided at the dust suction port 12 to ensure that dust is collected by the dust suction port 12 and prevent dust from entering other positions of the floor brush body 1 .
  • the dust that is not easy to clean it is cleaned by blowing it up and then vacuuming it.
  • the floor brush assembly 10 is used to clean the dust in the floor seam or the carpet, the floor brush is no longer used to brush it out, but the dust is separated from the floor seam by blowing.
  • the ground brush assembly 10 includes a nozzle assembly, the nozzle assembly is arranged on the ground brush body 1, the nozzle assembly includes a plurality of cyclone nozzles 2, and the plurality of cyclone nozzles 2 are used to connect the air flow, and the air outlets 221 of the plurality of cyclone nozzles 2 Set toward the opening 11 , the air flows out from the air outlets 221 of the plurality of cyclone nozzles 2 and blows toward the position of the opening 11 .
  • a plurality of cyclone nozzles 2 are arranged so that the passing airflow forms a state of a cyclone.
  • the air flow enters from the air inlets 211 of the plurality of cyclone nozzles 2 to the air outlets 211 of the plurality of cyclone nozzles 2 and blows out to form a swirling air flow.
  • the cyclone has a stronger disturbing effect on the dust and it is easier to blow the dust out.
  • the cyclone nozzle 2 for realizing the cyclone has various structures, and the structures of the cyclone nozzle 2 capable of blowing out the cyclone are all within the protection scope of the present application.
  • the number of the above-mentioned cyclone nozzles 2 can be two, three or more. When there are a plurality of cyclone nozzles 2, adjacent cyclone nozzles 2 may be arranged independently at intervals, and adjacent cyclone nozzles 2 may be arranged at intervals in communication. Of course, multiple cyclone nozzles 2 can also be arranged in a row, which is not limited here.
  • the cyclone nozzle 2 is used to connect with the airflow device (not shown in the figure), and the airflow device is used to provide the airflow to the cyclone nozzle 2, and the airflow can be normal pressure airflow or high pressure airflow. After the dust is raised by the cyclone nozzle 2, it is inhaled and collected by the dust suction port 12. This process is all realized in the floor brush body 1. In order to prevent the dust from being blown out of the floor brush body 1 due to excessive air flow, a smaller one is usually selected. The air flow, combined with the cyclone, enables the dust to be lifted up better.
  • Fig. 4 is a schematic diagram of another angle shown in Fig. 1;
  • Fig. 5 is a schematic structural diagram of the cyclone nozzle shown in Fig. 1;
  • the cyclone nozzle 2 includes an air guide part 21 and a nozzle part 22, the air guide part 21 and the nozzle part 22 are arranged in communication, the air guide part 21 is used to connect the air flow, and the air flow enters the air guide part 21 Inside. The airflow of the air guide part 21 enters the nozzle part 22 along the radial direction of the nozzle part 22 .
  • the nozzle portion 22 is conically arranged so that a swirling air flow is formed from the air outlet 221 of the nozzle portion 22 .
  • the lateral section of the conical nozzle portion 22 gradually decreases, which increases the airflow velocity, making the swirling airflow velocity formed by the nozzle portion 22 larger, thereby improving the impact of the whirlwind airflow on the carpet at the nozzle portion 22, making it easier to clean the carpet.
  • Fig. 7 is a schematic structural diagram of a single cyclone nozzle shown in Fig. 5;
  • Fig. 8 is a top view shown in Fig. 7 . 4 to 6, in order to further increase the velocity of the swirling airflow, the airflow in the air guide part 21 enters the inside of the nozzle part 22 tangentially, that is, the airflow from the air guide part 21 to the nozzle part 22 is in the same direction as the diameter of the nozzle part 22.
  • the tangent is set so that the air flow completely adheres to the inner wall of the nozzle part 22 and rotates, which increases the length of the air flow rotation, thereby increasing the speed of the rotating air flow, and further improving the dust removal effect of the floor brush assembly 10 .
  • the air guide part 21 and the nozzle part 22 can be integrally formed or fixedly connected, which is not limited here. As in this embodiment, the air guiding part 21 and the nozzle part 22 are integrally formed, and the air guiding part 21 is arranged at a tangential position of the nozzle part 22 so that the air inlet 211 is perpendicular to the tangential position of the nozzle part 22 .
  • a helical structure can also be provided on the inner wall of the air duct of the nozzle portion 22 to facilitate the formation of a swirling air flow.
  • the nozzle part 22 includes an air inlet end (not shown on the figure) and an air outlet end (not shown on the figure), when the airflow enters from the air inlet end and goes out from the air outlet end to form a whirlwind, because the size of the air inlet end is larger than The size of the air outlet end can increase the flow velocity of the airflow, further improving the flow velocity of the whirlwind airflow.
  • the air guide part 21 is disposed at the air inlet end of the nozzle part 22 , and the air flow enters into the air inlet end of the nozzle part 22 through the air guide part 21 . Wherein the air outlet 221 is formed at the air outlet.
  • the cyclone nozzle 2 is formed with an air inlet 211 and an air outlet 221 , the air inlet 211 is used to connect the air flow, and the air outlet 221 communicates with the opening 11 and faces the position of the opening 11 .
  • the cyclone nozzle 2 In the direction from the air inlet 211 to the air outlet 221, the cyclone nozzle 2 is inclined toward the dust suction port 12, that is, the swirling airflow formed from the cyclone nozzle 2 is sprayed at an oblique angle and blows to the carpet, etc., and the blowing direction is towards the dust suction.
  • the mouth 12 is inclined, so that dust is conveniently blown to the dust suction port 12, which is convenient for the dust suction port 12 to inhale, and the dust removal effect of the ground brush assembly 10 is improved.
  • the air inlet 211 is formed in the air guiding part 21
  • the air outlet 221 is formed in the nozzle part 22 .
  • the cyclone nozzle 2 is arranged obliquely toward the dust suction port 12, and the angle between it and the ground is between 45 degrees and 90 degrees, so as to blow up the dust.
  • the above included angle may be 45 degrees, 50 degrees, 60 degrees, 90 degrees and so on.
  • Fig. 9 is a schematic exploded view of the second embodiment of the ground brush assembly of the present application
  • Fig. 10 is a partial cross-sectional schematic diagram of the second embodiment of the ground brush assembly of the present application
  • Fig. 11 is a schematic diagram of the second embodiment of the ground brush assembly of the present application
  • the cyclone nozzles 2 may be arranged in rows.
  • cyclone nozzles 2 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 multiple rows of cyclone nozzles 2 can be formed. Arranging multiple cyclone nozzles 2 in a single row or in multiple rows can increase the treatment area of dust and other substances, improve the efficiency of the floor brush assembly 10 in handling dust and other substances, and is also beneficial to the structural design of the floor brush assembly 10 .
  • a plurality of cyclone nozzles 2 can be integrated in rows, and the air inlets 211 of each row of cyclone nozzles 2 are set in the same direction, so that the airflow enters into the air inlets 211 of the cyclone nozzles 2 .
  • the multi-row cyclone nozzles 2 can all be located on the same side of the dust suction port 12, which increases the flow rate of the swirling airflow and is more conducive to The dust in the carpet is rotated and blown out, and the dust removal efficiency of the floor brush assembly 10 is improved.
  • the above-mentioned at least two rows of cyclone nozzles 2 can be formed integrally or spliced together, which is not limited here.
  • one or more airflow devices for providing airflow can be shared.
  • Figure 12 is a schematic structural view of the third embodiment of the ground brush assembly of the present application
  • Figure 13 is a schematic diagram of the explosion shown in Figure 12
  • Figure 15 is a schematic structural view of the cyclone nozzle shown in Figure 12
  • Figure 16 is a schematic cross-sectional view of the cyclone nozzle shown in Figure 15.
  • the multi-row cyclone nozzles 2 can be respectively located on opposite sides of the dust suction port 12, which increases the dust suction area of the ground brush assembly 10, and then improves the The floor brush assembly 10 has dust collection efficiency.
  • At least two rows of cyclone nozzles 2 can be arranged on the opposite sides of the dust suction port 12, such as two rows of cyclone nozzles 2 and three rows of cyclone nozzles can be set on the opposite sides of the dust suction port 12.
  • a row of cyclone nozzles 2 is arranged on opposite sides of the dust suction port 12, and two rows of cyclone nozzles 2 are arranged independently.
  • the air inlets 211 of the above-mentioned plurality of cyclone nozzles 2 can be independently arranged and communicated with the airflow device respectively, so as to provide airflow to each cyclone nozzle 2 respectively.
  • the air inlets 211 of the plurality of cyclone nozzles 2 may be arranged in communication, and then communicate with the air flow device.
  • Fig. 17 is an exploded schematic diagram of the fourth embodiment of the ground brush assembly of the present application
  • Fig. 18 is a first partial schematic diagram of the fourth embodiment of the ground brush assembly shown in Fig. 17
  • Fig. 19 It is the second partial schematic view of the fourth embodiment of the floor brush assembly shown in FIG. 17 .
  • the nozzle assembly further includes 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 to connect with an airflow device, so that the airflow enters the air inlet cavity 31 .
  • the other end of the air inlet cavity 31 is used to communicate 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 chamber 31 of the air inlet structure 3 , flows out from the air outlets 221 of the plurality of cyclone nozzles 2 , and blows toward the position of the opening 11 . That is, a plurality of cyclone nozzles 2 share the same air inlet cavity 31, so that the airflow can converge in the air inlet cavity 31, and then enter into the air inlets 211 of the plurality of cyclone nozzles 2, thereby increasing the flow velocity of the airflow to the cyclone nozzle 2.
  • the air inlet structure 3 is formed with one, two or more air inlet cavities 31, adjacent air inlet cavities 31 are arranged at intervals, and a plurality of The cyclone nozzles 2 are divided into one group, two groups or multiple groups of cyclone nozzles 2 in the arrangement direction, wherein the air inlet 211 of each group of cyclone nozzles 2 independently communicates with an air inlet cavity 31 .
  • the air inlet 211 of each group of cyclone nozzles 2 communicates with the corresponding air inlet cavity 31, which can improve the uniformity of air supply , so that the airflow can enter each independent cyclone nozzle 2 more evenly, thereby improving the uniformity of dust removal.
  • the nozzle assembly includes two air inlet structures 3 .
  • the nozzle assembly can also include multiple air inlet structures 3, and the number of the air inlet structures 3 can be determined according to actual conditions.
  • the floor brush assembly 10 includes a fan 4, which can be arranged on the floor brush assembly 1 to provide airflow to the nozzle assembly.
  • a plurality of fans 4 can be provided, and the fan air outlet 42 of each fan is connected to an air inlet chamber 31 to further ensure that each air inlet chamber 31 The uniformity of the air intake of the corresponding cyclone nozzle.
  • the fan 4 can be arranged outside the ground brush assembly 10 .
  • the fan 4 includes a fan air inlet 41 and a fan exhaust port 42, the fan air inlet 41 is used for outside air to enter, and the fan exhaust port 42 is communicated with one end of the fan flow channel 61.
  • the other end of the fan channel 61 is connected to the ground brush body 1 and communicated with the air inlet structure 3 of the nozzle assembly.
  • the high-pressure airflow is provided by its own fan 4 .
  • Fig. 1 and Fig. 9 when multiple rows of cyclone nozzles 2 are located on the same side of the dust suction port 12, there can be one or more fans 4, and multiple fans 4 are connected in series, and only need to form A fan exhaust port 42.
  • Fig. 12 Please refer to Fig. 12 to Fig.
  • Figure 20 is a third partial schematic view of the fourth embodiment of the floor brush assembly shown in Figure 17;
  • Figure 21 is a schematic cross-sectional view of A-A in the fourth embodiment of the floor brush assembly shown in Figure 20.
  • the blower fan 4 can also be arranged inside the ground brush assembly 10 , for example, the ground brush body 1 is formed with an air inlet hole 15 , and the air inlet hole 15 communicates with the accommodating cavity 13 .
  • the blower 4 is disposed in the accommodation cavity 13 .
  • the fan 4 communicates with the air inlet 15 for drawing outside air into the housing chamber 13 , and the outlet of the fan 4 is connected to the air inlet 211 of the cyclone nozzle 2 to provide airflow to the cyclone nozzle 2 .
  • Airflow is provided for the nozzle assembly by the fan 4 and the fan 4 is arranged in the floor brush assembly 1, so that the structure of the floor brush assembly 10 is compact and simple, and the appearance is improved.
  • the blower 4 may be the aforementioned airflow device.
  • the number of the fan 4 can be one, two or more, and the number depends on the actual situation.
  • the multiple rows of cyclone nozzles 2 can be divided into one or more groups of cyclone nozzles 2 , wherein the number of fans 4 can be determined according to the number of multiple groups of cyclone nozzles 2 . If multiple rows of cyclone nozzles 2 are not grouped, the number of fan 4 can be one, and multiple rows of cyclone nozzles 2 share one fan 4 .
  • the number of fans 4 is two, and each group of cyclone nozzles 2 communicates with the corresponding fan 4, which can improve the uniformity of air flow.
  • one, two or more fans 4 can be shared.
  • the multiple rows of cyclone nozzles 2 located on opposite sides of the dust suction port 12 can be connected to one, two or more fans 4 respectively.
  • Above-mentioned fan 4 can be centrifugal fan etc.
  • Figure 22 is a top view of the fourth embodiment of the ground brush assembly shown in Figure 17;
  • Figure 23 is a schematic cross-sectional view of the fourth embodiment B-B of the ground brush assembly shown in Figure 22;
  • Figure 24 is Figure 17 is a bottom view of a fourth embodiment of a floor brush assembly.
  • the ground brush assembly 10 may include a rolling brush 8, which is rotatably arranged on the ground brush body 1 to assist in cleaning the dust in the carpet; at the same time, the rolling brush 8 cooperates with the cyclone nozzle 2 to improve the floor surface. Brush assembly 10 cleaning efficiency.
  • the rolling brush 8 can be passively rotated, that is, when the floor brush assembly 10 moves, it rotates through friction with the ground.
  • the rolling brush 8 can also actively rotate, that is, the rolling brush 8 can be connected with a motor (not shown on the figure), and the motor (not shown on the figure) drives the rolling brush 8 to move when the floor brush assembly 10 works.
  • the rolling brush 8 can be a soft velvet rolling brush, and the soft velvet rolling brush can reduce the entanglement of hair in the process of cleaning the carpet.
  • the floor brush assembly 10 may not be provided with the rolling brush 8 .
  • the ground brush assembly 10 can be provided with a traveling mechanism (not shown in the figure), which is installed on the ground brush body 1 for moving the ground brush body 1 .
  • the above-mentioned traveling mechanism can be of any structure, as long as it can realize the movement of the ground brush body 1, and there is no limitation here.
  • the traveling mechanism includes four universal traveling wheels and four driving motors, and the four universal traveling wheels and the four driving motors are all installed on the ground brush body 1 .
  • Each universal traveling wheel is respectively connected to a driving motor, and the four universal traveling wheels all adopt Macram wheels, and each Macram wheel is correspondingly connected to a driving motor.
  • the ground brush assembly 10 can move automatically by using the driving mode of the driving motor to drive the Macram wheel, which can be used in sweeping robots, hand-held vacuum cleaners and other equipment. When used on a handheld vacuum cleaner, it can make the process of sweeping and mopping the floor easier, improve the technological sense and intelligence level of the handheld vacuum cleaner, and increase the value of the product.
  • the ground brush assembly 10 can move in all directions by using the Macram wheel independently controlled by four driving motors, which solves the problem that the floor brush assembly 10 cannot walk in multiple directions and realizes multi-dimensional cleaning Experience, no need to move back and forth to scan, improve user satisfaction.
  • the above-mentioned four universal traveling wheels are arranged in pairs, and the four universal traveling wheels are located at the same height, so that the ground brush assembly 10 can walk on the ground stably by arranging the four universal traveling wheels.
  • the movable universal traveling wheels can be relatively balanced Due to the height difference of the uneven ground, the universal traveling wheels keep walking on the ground to avoid slipping on the ground, and the universal traveling wheels can maintain their own performance, and the ground brush assembly 10 runs smoothly as a whole.
  • the four universal road wheels at the same height means that when the four universal road wheels are placed on a normal level ground, the four universal road wheels can all be in contact with the normal level ground (if the four universal road wheels For the same size, the rotation axes of the four universal road wheels are at the same height at this moment).
  • at least one traveling wheel is movably connected to the ground brush body 1 in a manner capable of moving to different heights in addition to its own rotation.
  • the floor brush body 1 is provided with a floor brush installation opening 14 , and the location of the floor brush installation opening 14 is related to the arrangement of the above-mentioned multi-row cyclone nozzles 2 .
  • the ground brush installation opening 14 may only be located on the same side of the dust suction opening 12 .
  • the floor brush installation openings 14 are located on opposite sides of the dust suction opening 12 .
  • the ground brush installation opening 14 communicates with the multi-row cyclone nozzles 2 , and the multi-row cyclone nozzles 2 communicate with the air intake structure 3 , and the air flow enters into the multi-row cyclone nozzles 2 through the air intake structure 3 .
  • the ground brush installation port 14 is elongated, and is arranged along the length direction of the ground brush body 1, wherein the nozzle part 22 in the cyclone nozzle 2 can be inserted into the ground brush body 1, and then the wind guide part in the cyclone nozzle 2 21 is fixed on the outer surface of the ground brush body 1 by bolts and other fasteners to realize the installation and disassembly of the nozzle assembly.
  • the ground brush body 1 includes a ground brush upper cover 16, a ground brush base 17 and a decorative front cover 18, wherein the ground brush upper cover 16, the ground brush base 17 and the decorative front cover 18
  • the detachable connection, and the three are surrounded by an accommodating cavity 13, so that the nozzle assembly and the fan 4 are arranged in the accommodating cavity 13, which not only makes the structure of the floor brush assembly 10 itself compact and simple, but also improves the appearance.
  • the cyclone nozzle in this embodiment makes the airflow form a cyclone state, because the air outlet of the cyclone nozzle is set towards the opening, so that the above-mentioned rotating airflow is blown to the opening position, thereby removing dust and other substances on the floor or carpet.
  • the blown dust is blown out by rotation, and the blown dust is sucked in at the suction port.
  • dust and other substances in the floor or carpet are rotated and blown out, and then sucked by the dust suction port, thereby improving the dust removal efficiency of the floor brush assembly and reducing damage to the carpet.
  • the hand-held vacuum cleaner 100 includes a floor brush assembly 10 .
  • the hand-held vacuum cleaner 100 can improve the dust removal efficiency of the hand-held vacuum cleaner 100 , thereby reducing damage to carpets and the like.
  • the floor brush assembly 10 in this embodiment is the floor brush assembly 10 described in the above-mentioned embodiments, which will not be repeated here.
  • the handheld vacuum cleaner in this embodiment can use the swirling airflow to blow up the dust in the carpet or the floor seam to improve the cleaning effect, and it does not need to use the brush structure to brush up the dust and will not cause damage to the carpet.
  • the wind discharged from the dust suction fan in the hand-held vacuum cleaner is used as a whirlwind blown out to improve the energy utilization rate.
  • the handheld vacuum cleaner 100 includes a dust collection main unit 20 and a dust suction pipe 30 , the dust suction pipe 30 is rotatably arranged on the ground brush assembly 10 , that is, the dust suction pipe 30 can be rotatably arranged relative to the brush body 1 . That is to say, the user holds the vacuum main unit 30 in his hand, and can rotate the brush body 1 relatively through the dust suction pipe 30, and then it is convenient for the user to operate the vacuum cleaner to realize the movement of the floor brush assembly 10 and the movement of the floor brush assembly 10 in different directions.
  • the dust suction host 20 is used to provide suction so that the dust suction port 12 can suck Dust enters into the dust suction duct 30 .
  • the airflow formed at the tail of the main unit 20 can be fully utilized, energy waste is avoided, and cost is saved.
  • the airflow blown by the cyclone nozzle 2 does not need to be very large, so it is enough to use a part of the airflow in the air outlet 201 of the dust collector 20, and the other part is discharged to the external environment, that is, to The exhaust air of the vacuum host 20 is split, and a part is connected with the air intake structure, and the other part is connected with the external environment, which can also ensure heat dissipation.
  • the dust suction duct 30 may include a conductive rod connecting pipe 301 and a connecting hose 302 , and the connecting hose 302 is sleeved in the conducting rod connecting pipe 301 .
  • the dust suction pipe 30 includes a hose connection part 303 , the hose connection part 303 is arranged on the floor brush assembly 10 , for example, the hose connection part 303 is detachable from the floor brush assembly 10 .
  • the connecting hose 303 is connected to the hose connecting part 303 through the connecting part gland 304 . Wherein the connection hose 302 partly leaks out between the conductive rod connecting pipe 301 and the hose connection part 303 , so that the dust suction pipe 30 can be rotated to the ground brush assembly 10 .
  • a limit column (not shown in the figure) is provided on the outer periphery of the dust suction pipe 30, and a limit lug (not shown in the figure) is provided on the floor brush body 1, and the limit post in the dust suction pipe 30 rotates on the floor brush body 1 Inside the middle limiting lug, so that the dust suction pipe 30 rotates relative to the brush body 1 .
  • the handheld vacuum cleaner 100 includes a ventilation duct 202 , and the ventilation duct 202 can be disposed inside the main unit 20 , as shown in FIG. 27 .
  • the ventilation duct 202 is arranged outside the main unit 20 of the dust collector, such as between the main unit 20 and the floor brush assembly 10, as shown in FIG. 25 and FIG. 26 .
  • the air duct 202 communicates with the air outlet 201 of the dust collection host 20 and the air intake structure 3 , and the exhaust air from the dust collection host 20 can enter the air intake structure 3 through the air outlet 201 and the air duct 202 .
  • the ventilation duct 202 By arranging the ventilation duct 202 inside the vacuum main unit 20 , the compactness of the structure of the handheld vacuum cleaner 100 can be improved, thereby improving the aesthetics of the handheld vacuum cleaner 100 .
  • first”, “second”, and “third” in this application are used for description purposes only, and should not be understood as specifying the number of indicated technical features. Thus, features defined as “first”, “second”, and “third” may explicitly or implicitly include at least one of these features. All directional indications (such as up, down, left, right, front, back%) in the embodiments of the present application are only used to explain the relative positional relationship between the components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms “include” and “have”, as well as any variations thereof, are intended to cover a non-exclusive inclusion.
  • a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes For other steps or units inherent in these processes, methods, products or apparatuses.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

La présente invention concerne un ensemble brosse à parquets et un aspirateur portatif. L'ensemble brosse à parquets comprend un corps de brosse à parquets et un ensemble buse. Une cavité de réception ayant une ouverture, et un orifice d'aspiration de poussière en communication avec la cavité de réception sont formés dans le corps de brosse à parquets. L'ensemble buse comprend une pluralité de buses à cyclone, et l'ensemble buse est disposé sur le corps de brosse à parquets, les sorties d'air des buses à cyclone étant disposées en regard de l'ouverture, et les buses à cyclone étant configurées pour permettre à un écoulement d'air passant d'être dans un état de cyclone. La présente invention améliore l'efficacité d'élimination de poussière et réduit les dommages causés à un tapis.
PCT/CN2022/101077 2021-06-25 2022-06-24 Ensemble brosse à parquets et aspirateur portatif WO2022268199A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202110713253.3A CN113367613A (zh) 2021-06-25 2021-06-25 地刷组件手持吸尘器
CN202121439843.3U CN215959602U (zh) 2021-06-25 2021-06-25 地刷组件及手持吸尘器
CN202121439843.3 2021-06-25
CN202110713253.3 2021-06-25

Publications (1)

Publication Number Publication Date
WO2022268199A1 true WO2022268199A1 (fr) 2022-12-29

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Country Link
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB786180A (en) * 1954-12-10 1957-11-13 Asbrink & Co Ab Improvements in or relating to suction and blowing nozzle units for street cleaning
KR20020082983A (ko) * 2001-04-24 2002-11-01 장 조 원 분출을 이용하여 흡입능력을 향상시킨 진공청소기
JP2005028183A (ja) * 2004-10-29 2005-02-03 Mitsubishi Electric Corp 電気掃除機用吸込具
CN206166831U (zh) * 2016-06-22 2017-05-17 曾松珍 一种基于***原理的地毯吸尘器
CN113367613A (zh) * 2021-06-25 2021-09-10 广东美的白色家电技术创新中心有限公司 地刷组件手持吸尘器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB786180A (en) * 1954-12-10 1957-11-13 Asbrink & Co Ab Improvements in or relating to suction and blowing nozzle units for street cleaning
KR20020082983A (ko) * 2001-04-24 2002-11-01 장 조 원 분출을 이용하여 흡입능력을 향상시킨 진공청소기
JP2005028183A (ja) * 2004-10-29 2005-02-03 Mitsubishi Electric Corp 電気掃除機用吸込具
CN206166831U (zh) * 2016-06-22 2017-05-17 曾松珍 一种基于***原理的地毯吸尘器
CN113367613A (zh) * 2021-06-25 2021-09-10 广东美的白色家电技术创新中心有限公司 地刷组件手持吸尘器

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