Dust-suction brush head

Abstract

The utility model discloses a dust absorption brush head, include: set up respectively with dust absorption room, air inlet's dust absorption casing, rotatably set up in the dust absorption room's rolling brush and with the transmission connection of rolling brush one end's drive assembly, the rolling brush further includes: along the length direction of dust absorption casing and with drive assembly connection's tubular casing and each along the axial extension of tubular casing's moving blade, static blade, the side wall of tubular casing is set up with moving blade, static blade cooperation's blade hole, the body part of moving blade, static blade each that is overlapped in tubular casing is set up with a plurality of blade tooth parts that are spaced distribution and wear blade hole along its length direction, the blade tooth part of static blade fixed mounting on tubular casing with the blade tooth part of moving blade that can along the axial reciprocating movement of tubular casing is staggered setting in its length direction. The utility model can effectively avoid the situation that long hair winding leads to the jamming of the rolling cylinder, and improve the cleaning effect and use experience to the hair.

Description

Technical Field

[0001] This utility model relates to the field of cleaning tools, and in particular to a vacuum cleaner brush head. Background Technology

[0002] In daily life, people have increasingly higher requirements for a clean environment, especially in home cleaning, where thorough cleaning of the interior of the house is necessary. Traditional cleaning tools, such as brooms, are not only ineffective at cleaning but also time-consuming and laborious. Therefore, vacuum cleaners, which offer better cleaning capabilities and higher efficiency, are being used more and more widely. Ordinary vacuum cleaners have a good collection and cleaning function for debris and particles through strong suction. However, when it comes to hair (especially long hair), it is very easy for long hair to get tangled in the vacuum cleaner's floor brush after being sucked into the vacuum cleaner, making the floor brush difficult to clean. Utility Model Content

[0003] The purpose of this invention is to provide a vacuum cleaner brush head that can effectively prevent long hair from getting tangled and causing the roller to jam, thereby improving the cleaning effect on hair and the user experience.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a vacuum cleaner brush head, comprising: a vacuum cleaner housing having a vacuum chamber and an air inlet respectively, a roller brush rotatably disposed in the vacuum chamber, and a drive assembly connected to one end of the roller brush. The roller brush further comprises: a cylindrical housing extending along the length direction of the vacuum cleaner housing and connected to the drive assembly, and a movable blade and a stationary blade each extending axially along the cylindrical housing. A blade hole is provided on the side wall of the cylindrical housing to cooperate with the movable blade and the stationary blade. The movable blade and the stationary blade stacked in the cylindrical housing each have a plurality of blade teeth distributed at intervals along their length direction and passing through the blade holes. The blade teeth of the stationary blade fixedly installed on the cylindrical housing and the blade teeth of the movable blade that can reciprocate along the axial direction of the cylindrical housing are staggered in their length direction.

[0005] The following are further improvements to the above technical solution: 1. In the above scheme, the cutting teeth of both the moving blade and the stationary blade are trapezoidal cutting teeth.

[0006] 2. In the above scheme, both opposite sides of the blade tooth are set as cutting edges.

[0007] 3. In the above scheme, the drive assembly for driving the roller brush to rotate includes: a support frame installed at one end inside the dust collection housing, a motor installed on one side of the support frame, a drive wheel installed on the output shaft of the motor and located on the other side of the support frame, and a driven wheel that is connected to the drive wheel via a belt. One end of a rotating shaft installed on the support frame via a support bearing is connected to the driven wheel, and the other end of the rotating shaft is connected to the cylindrical housing of the roller brush.

[0008] 4. In the above scheme, two support bearings are provided.

[0009] 5. In the above scheme, the cylindrical shell of the roller brush is formed by splicing together at least two injection molded parts to form a plastic shell.

[0010] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art: The present invention relates to a vacuum cleaner brush head, the roller brush of which further comprises: a cylindrical housing extending along the length of the vacuum cleaner housing and connected to a drive assembly, and a movable blade and a stationary blade, each extending axially along the cylindrical housing. A blade hole is provided on the side wall of the cylindrical housing to cooperate with the movable blade and the stationary blade. The movable blade and the stationary blade stacked in the cylindrical housing are each provided with a plurality of blade teeth that are spaced apart along their length and extend out of the blade hole. The blade teeth of the stationary blade, which is fixedly installed on the cylindrical housing, and the blade teeth of the movable blade, which can reciprocate along the axial direction of the cylindrical housing, are staggered in their length direction. Through the cooperation of the movable and stationary blades, the hair is cut and decomposed before being sucked up by negative pressure, which can effectively avoid the situation where long hair gets tangled and causes the roller to jam, thereby improving the cleaning effect and user experience. Attached Figure Description

[0011] Appendix Figure 1 This is a schematic diagram of the structure of the dust suction brush of this utility model; Appendix Figure 2 This is an exploded view of the structure of the vacuum cleaner brush head of this utility model; Appendix Figure 3 This is a partial structural diagram of the vacuum cleaner brush head of this utility model; Appendix Figure 4 This is a cross-sectional schematic diagram of the drive component in the vacuum cleaner brush head of this utility model; Appendix Figure 5 This is a cross-sectional view of the roller brush in the vacuum cleaner brush head of this utility model; Appendix Figure 6 This is a schematic diagram of the internal structure of the roller brush in the vacuum cleaner brush head of this utility model; Appendix Figure 7 This is a magnified view of a portion of the blade structure in the vacuum cleaner brush head of this utility model.

[0012] In the attached diagrams: 1. Suction chamber; 2. Suction housing; 3. Air inlet; 6. Roller brush; 61. Cylindrical housing; 611. Blade hole; 62. Moving blade; 621. Moving body part; 622. Moving blade teeth part; 63. Stationary blade; 631. Stationary body part; 632. Stationary blade teeth part; 71. Support frame; 72. Motor; 73. Drive wheel; 74. Driven wheel; 75. Belt; 76. Support bearing; 77. Rotating shaft. Detailed Implementation

[0013] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.

[0014] Example 1: A vacuum cleaner brush head includes: a vacuum housing 2 having a vacuum chamber 1 and an air inlet 3 respectively; a roller brush 6 rotatably disposed within the vacuum chamber 1; and a drive assembly pulsatorically connected to one end of the roller brush 6. The roller brush 6 further includes: a cylindrical housing 61 extending along the length of the vacuum housing 2 and connected to the drive assembly; and a movable blade 62 and a stationary blade 63 each extending axially along the cylindrical housing 61. A blade hole 611 is provided on the side wall of the cylindrical housing 61 to mate with the movable blade 62 and the stationary blade 63; and the body portions 621 of the movable blade 62 and the stationary blade 63 are stacked within the cylindrical housing 61. Each of the blades 631 and 641 is provided with several blade teeth 622 and 632 that are spaced apart along their length and pass through the blade holes 611. The blade teeth 632 of the stationary blade 63, which is fixedly installed on the cylindrical shell 61, and the blade teeth 622 of the movable blade 62, which can reciprocate along the axial direction of the cylindrical shell 61, are staggered along their length. A bristle strip or brush (not shown in the figure) can be provided on the outside of the cylindrical shell 61 to avoid the movable blade 62 and stationary blade 63, which rotate with the roller brush 6, from contacting and colliding with the ground during the rotation of the roller brush 6, and to prevent the parts of the movable blade 62 and stationary blade 63 that extend out of the cylindrical shell 61 from being damaged.

[0015] The cutting teeth 632 of both the moving blade 62 and the stationary blade 63 are trapezoidal.

[0016] The two opposite sides of the aforementioned toothed portions 622 and 632 are both configured as cutting edges.

[0017] The cylindrical shell 61 of the roller brush 6 is a plastic shell formed by splicing together at least two injection molded parts.

[0018] Example 2: A vacuum cleaner brush head includes: a vacuum cleaner housing 2 with a vacuum chamber 1 and an air inlet 3 respectively, a roller brush 6 rotatably disposed in the vacuum chamber 1, and a drive assembly pulsator connected to one end of the roller brush 6. The roller brush 6 further includes: a cylindrical housing 61 extending along the length direction of the vacuum cleaner housing 2 and connected to the drive assembly, and a movable blade 62 and a stationary blade 63 each extending axially along the cylindrical housing 61. A blade hole 611 is provided on the side wall of the cylindrical housing 61 to cooperate with the movable blade 62 and the stationary blade 63. The main body parts 621 and 631 of the movable blade 62 and the stationary blade 63 stacked in the cylindrical housing 61 are provided with a plurality of blade teeth 622 and 632 that are spaced apart along their length direction and pass through the blade hole 611. The blade teeth 632 of the stationary blade 63 fixedly installed on the cylindrical housing 61 and the blade teeth 622 of the movable blade 62 that can reciprocate along the axial direction of the cylindrical housing 61 are staggered in their length direction.

[0019] The drive assembly for driving the roller brush 6 to rotate includes: a support frame 71 installed at one end inside the dust collection housing 2, a motor 72 installed on one side of the support frame 71, a drive wheel 73 installed on the output shaft of the motor 72 and located on the other side of the support frame 71, and a driven wheel 74 that is connected to the drive wheel 73 by a belt 75. One end of a rotating shaft 77 installed on the support frame 71 by a support bearing 76 is connected to the driven wheel 74, and the other end of the rotating shaft 77 is connected to the cylindrical housing 61 of the roller brush 6. Two support bearings 76 are provided.

[0020] Working principle: During use, the cylindrical shell of the roller brush is driven to rotate by the drive component, which simultaneously creates negative pressure to suck out the dust particles in the dust collection chamber through the air inlet. While the roller brush rotates, the moving blades on it reciprocate along the axial direction of the cylindrical shell. The moving blade teeth and stationary blade teeth work together to cut the hair that is wrapped between adjacent stationary blade teeth, cutting the long hair into small segments that are easy to be sucked out by negative pressure, thus avoiding the situation where the roller gets stuck due to the long hair getting tangled. The specific structure for driving the moving blade can be achieved by using existing technologies such as reciprocating lead screws or worm gears combined with motors, as needed, and will not be elaborated here.

[0021] When using the above-mentioned vacuum brush head, the combination of moving and stationary blades cuts and breaks down the hair before applying negative pressure suction, which can effectively prevent long hair from getting tangled and causing the roller to jam, thus improving the cleaning effect and user experience.

[0022] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A vacuum cleaner brush head, comprising: The vacuum housing (2) has a vacuum chamber (1) and an air inlet (3) respectively, a roller brush (6) rotatably disposed in the vacuum chamber (1), and a drive assembly that is drivenly connected to one end of the roller brush (6). The roller brush (6) is characterized in that: the roller brush (6) further includes: a cylindrical housing (61) extending along the length direction of the vacuum housing (2) and connected to the drive assembly, and a moving blade (62) and a stationary blade (63) each extending axially along the cylindrical housing (61). A joint is provided on the side wall of the cylindrical housing (61) for the moving blade (62) and the stationary blade. (63) The blade hole (611) of the moving blade (62) and the stationary blade (63) stacked in the cylindrical shell (61) are provided with a number of blade teeth (622, 632) that are spaced apart along their length and pass through the blade hole (611). The blade teeth (632) of the stationary blade (63) fixedly installed on the cylindrical shell (61) and the blade teeth (622) of the moving blade (62) that can reciprocate along the axial direction of the cylindrical shell (61) are staggered in their length direction.

2. The vacuum brush head according to claim 1, characterized in that: The moving blade (62) and the stationary blade (63) each have trapezoidal cutting teeth (632).

3. The vacuum brush head according to claim 2, characterized in that: The two opposite sides of the blade teeth (622, 632) are both configured as cutting edges.

4. The vacuum brush head according to claim 1, characterized in that: The drive assembly for driving the roller brush (6) to rotate includes: a support frame (71) installed inside one end of the vacuum housing (2), a motor (72) installed on one side of the support frame (71), a drive wheel (73) installed on the output shaft of the motor (72) and located on the other side of the support frame (71), and a driven wheel (74) connected to the drive wheel (73) by a belt (75). One end of a rotating shaft (77) installed on the support frame (71) by a support bearing (76) is connected to the driven wheel (74), and the other end of the rotating shaft (77) is connected to the cylindrical housing (61) of the roller brush (6).

5. The vacuum brush head according to claim 4, characterized in that: Two support bearings (76) are provided.

6. The vacuum brush head according to claim 1, characterized in that: The cylindrical shell (61) of the roller brush (6) is a plastic shell formed by splicing together at least two injection molded parts.

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