US 12,133,622 B2
Vacuum cleaner floor brush with height-adjustable suction inlet
Qi Zhang, Suzhou (CN); Mingming Zhu, Suzhou (CN); and Yongbi Chai, Suzhou (CN)
Appl. No. 17/595,502
Filed by Jashen (Suzhou) Technology Co., Ltd, Suzhou (CN)
PCT Filed Apr. 24, 2020, PCT No. PCT/CN2020/086635
§ 371(c)(1), (2) Date Nov. 17, 2021,
PCT Pub. No. WO2020/238513, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 201910443337.2 (CN), filed on May 24, 2019.
Prior Publication US 2022/0313038 A1, Oct. 6, 2022
Int. Cl. A47L 9/06 (2006.01); A46B 13/00 (2006.01); A46B 13/02 (2006.01); A47L 9/04 (2006.01)
CPC A47L 9/066 (2013.01) [A46B 13/001 (2013.01); A46B 13/02 (2013.01); A47L 9/0477 (2013.01); A46B 2200/3033 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A vacuum cleaner floor brush with a height-adjustable suction inlet, wherein the vacuum cleaner floor brush comprises a floor brush main body (1), a rolling brush (2), and a rolling brush cover (21); the rolling brush cover (21) has an arc-shaped cross section; the rolling brush (2) is fixedly mounted on a preset rolling brush chamber (11) on the floor brush main body (1); the floor brush main body (1) is provided with a suction inlet adjustment plate (12); an inner wall of the suction inlet adjustment plate (12) is a cambered surface; a lengthwise direction of the suction inlet adjustment plate (12) is parallel to an axial direction of the rolling brush (2); two opposite ends in a width direction of the suction inlet adjustment plate (12) respectively extend towards the rolling brush cover (21) and a bottom suction inlet (13) of the floor brush main body (1); and the suction inlet adjustment plate (12) is capable of flipping along a circumferential direction of the rolling brush (2); wherein a sealing strip (122) with an arc-shaped cross section is fixedly connected to the inner wall of the suction inlet adjustment plate (12); and the sealing strip (122) extends along the lengthwise direction of the suction inlet adjustment plate (12).