Brushroll, floor brush, and floor cleaning device

Abstract

A brushroll is provided. The brushroll includes a rolling body and a plurality of brush strip sets. The plurality of brush strip sets extend along an axial direction of the rolling body and are arranged at intervals along a circumferential direction of the rolling body. The brush strip set includes a first brush strip and a second brush strip. Both the first brush strip and the second brush strip are protruded from an outer surface of the rolling body, and are continuous along the axial direction of the rolling body. A circumferential spacing between the first brush strip and the second brush strip in a same one of the brush strip sets is less than a circumferential spacing between two adjacent ones of the brush strip sets.

What is claimed is: 
     
         1 . A brushroll, comprising a rolling body and a plurality of brush strip sets, wherein the plurality of brush strip sets extend along an axial direction of the rolling body and are arranged at intervals along a circumferential direction of the rolling body; each brush strip set of the plurality of brush strip sets comprises a first brush strip and a second brush strip; the first brush strip and the second brush strip are protruded from an outer surface of the rolling body, and the first brush strip and the second brush strip are continuous along the axial direction of the rolling body; and a circumferential spacing between the first brush strip and the second brush strip in a same brush strip set of the plurality of brush strip sets is less than a circumferential spacing between two adjacent brush strip sets of the plurality of brush strip sets. 
     
     
         2 . The brushroll according to  claim 1 , wherein in a rotating direction of the rolling body, the first brush strip is positioned in front of the second brush strip to support hair; the first brush strip comprises a first axially continuous and unspaced flexible body; and the second brush strip comprises at least one of a second axially continuous and unspaced flexible body, and axially compact and continuous fine soft bristles. 
     
     
         3 . The brushroll according to  claim 2 , wherein the second brush strip is softer than the first brush strip. 
     
     
         4 . The brushroll according to  claim 2 , wherein the first brush strip is the first axially continuous and unspaced flexible body, and the second brush strip is the axially compact and continuous fine soft bristles. 
     
     
         5 . The brushroll according to  claim 4 , wherein a radial height of the second brush strip is less than a radial height of the first brush strip. 
     
     
         6 . The brushroll according to  claim 1 , wherein the first brush strip and the second brush strip extend spirally. 
     
     
         7 . The brushroll according to  claim 6 , wherein the first brush strip comprises a first segment and a second segment, wherein the first segment and the second segment are connected axially; the first segment and the second segment are of a first shape along the circumferential direction; the second brush strip comprises a third segment and a fourth segment, wherein the third segment and the fourth segment are connected axially; the third segment extends along a track of the first segment; the fourth segment extends along a track of the second segment; the third segment and the fourth segment are of a second shape along the circumferential direction; and the first shape and the second shape are a V shape or a U shape. 
     
     
         8 . The brushroll according to  claim 7 , wherein between the two adjacent brush strip sets of the plurality of brush strip sets, the rolling body is provided with a spiral guiding arc surface extending along the axial direction of the rolling body; a radial height of the spiral guiding arc surface is less than radial heights of the plurality of brush strip sets; and an axial extending track of the spiral guiding arc surface corresponds to a track of the first brush strip and a track of the second brush strip. 
     
     
         9 . The brushroll according to  claim 8 , wherein an outer surface of the rolling body between the two adjacent brush strip sets of the plurality of brush strip sets is recessed radially to form a spiral guiding groove; and a surface of the spiral guiding groove serves as the spiral guiding arc surface. 
     
     
         10 . The brushroll according to  claim 1 , wherein at least one of two axially opposite ends of the rolling body is provided with an end cover; an annular accommodating groove extending along the circumferential direction of the rolling body is formed in the end cover; the annular accommodating groove is exposed out of the brushroll; and a side of the end cover is provided with a notch communicating with the annular accommodating groove, wherein the side of the end cover is away from the rolling body. 
     
     
         11 . A floor brush, comprising:
 an outer housing, wherein the outer housing is provided with an accommodating cavity and a suction channel mouth communicating with the accommodating cavity;   the brushroll according to  claim 1 , wherein the brushroll is provided in the accommodating cavity and configured to rotate; and   a scraping strip, wherein the scraping strip is fixed between the brushroll and the suction channel mouth, and at least one of the first brush strip and the second brush strip is cooperated with the scraping strip under rotation of the rolling body to separate entangled hair through the scraping strip.   
     
     
         12 . The floor brush according to  claim 11 , wherein the scraping strip has a scraping surface; a direction in which a bottom of the scraping surface is tangent with the rolling body is defined as a reference direction; and an included angle between the scraping surface and the reference direction is between 5° and 30°. 
     
     
         13 . The floor brush according to  claim 11 , wherein the first brush strip and the second brush strip extend spirally; the first brush strip comprises a first segment and a second segment, wherein the first segment and the second segment are connected axially; the first segment and the second segment are of a first shape along the circumferential direction; the second brush strip comprises a third segment and a fourth segment, wherein the third segment and the fourth segment are connected axially; the third segment extends along a track of the first segment; the fourth segment extends along a track of the second segment; and the third segment and the fourth segment are of a second shape along the circumferential direction;
 the first shape and the second shape are a V shape or a U shape; and   the floor brush comprises a plurality of scraping strips; wherein the plurality of scraping strips extend along the axial direction of the rolling body and form a scraping strip array; and the suction channel mouth is positioned in a central area of the scraping strip array and aligns with an intersection of the first segment and the second segment.   
     
     
         14 . The floor brush according to  claim 13 , wherein a part of the plurality of scraping strips in the central area of the scraping strip array are deviated along a rotating direction of the rolling body to provide an avoidance area; and the avoidance area communicates with the suction channel mouth. 
     
     
         15 . The floor brush according to  claim 14 , wherein a size of a radial opening of the suction channel mouth decreases gradually from a first side of the suction channel mouth to a second side of the suction channel mouth, wherein the first side of the suction channel mouth is adjacent to the rolling body, and the second side of the suction channel mouth is away from the rolling body; and the part of the plurality of scraping strips deviated along the rotating direction of the rolling body are arranged along an edge of the first side of the suction channel mouth. 
     
     
         16 . A floor cleaning device, comprising:
 a body; and   the floor brush according to  claim 11 , wherein the floor brush is provided on the body.   
     
     
         17 . The floor cleaning device according to  claim 16 , wherein the floor cleaning device is a sweeper. 
     
     
         18 . The floor cleaning device according to  claim 16 , wherein the floor cleaning device is a dust collector.