Roller brush assembly and cleaning device
A roller brush assembly and a cleaning device are provided. The above roller brush assembly is applied in the cleaning device, including: a main roller brush; an electric motor configured to drive the main roller brush to rotate to sweep a surface to be cleaned; and an auxiliary roller brush driven by the main roller brush to rotate and sweep the surface to be cleaned towards the main roller brush.
1. A roller brush assembly for a cleaning device, comprising:
a main roller brush;
an electric motor configured to drive the main roller brush to rotate to sweep a surface to be cleaned; and
an auxiliary roller brush driven by the main roller brush to rotate and sweep the surface to be cleaned towards the main roller brush;
wherein the main roller brush comprises:
a rotatable main roller brush body driven by the electric motor; and
a sweeping member extending outward from a surface of the rotatable main roller brush body to sweep the surface to be cleaned;
wherein the auxiliary roller brush comprises:
an auxiliary roller brush body; and
a plurality of protrusions spaced apart from each other on a surface of the auxiliary roller brush body to sweep the surface to be cleaned;
wherein the sweeping member contacts and pushes a protrusion to drive the auxiliary roller brush body to rotate in a direction opposite to rotation of the main roller brush body.
2. The roller brush assembly according to claim 1 , wherein the auxiliary roller brush is arranged at a rear of the main roller brush along a moving direction of the cleaning device.
3. The roller brush assembly according to claim 1 , wherein the auxiliary roller brush body is an elastic body and the protrusion is an elastic protrusion.
4. The roller brush assembly according to claim 1 , wherein the auxiliary roller brush further comprises a plurality of flexible supports, the auxiliary roller brush body is provided with an inner cavity, the flexible support is arranged in the inner cavity, and a first end of the flexible support is connected with a wall surface of the inner cavity.
5. The roller brush assembly according to claim 4 , wherein a second end of a flexible support is a free end, wherein free ends of the plurality of flexible supports are combined to define a mounting cavity, and the mounting cavity is configured to mount a connecting shaft connected to the auxiliary roller brush body.
6. The roller brush assembly according to claim 5 , wherein the free end is in an arc shape, and curvature of the free ends of each flexible support are the same.
7. The roller brush assembly according to claim 4 , wherein connecting points of the flexible supports and the inner cavity are distributed evenly along a circumferential direction of the inner cavity.
8. A cleaning device, comprising:
a roller brush assembly, comprising:
a main roller brush;
an electric motor configured to drive the main roller brush to rotate to sweep a surface to be cleaned; and
an auxiliary roller brush driven by the main roller brush to rotate and sweep the surface to be cleaned towards the main roller brush;
wherein the main roller brush comprises:
a rotatable main roller brush body driven by the electric motor; and
a sweeping member extending outward from a surface of the rotatable main roller brush body to sweep the surface to be cleaned;
wherein the auxiliary roller brush comprises:
an auxiliary roller brush body; and
a plurality of protrusions spaced apart from each other on a surface of the auxiliary roller brush body to sweep the surface to be cleaned;
wherein the sweeping member contacts and pushes a protrusion to drive the auxiliary roller brush body to rotate in a direction opposite to rotation of the main roller brush body.
9. The cleaning device according to claim 8 , wherein the auxiliary roller brush is arranged at a rear of the main roller brush along a moving direction of the cleaning device.
10. The cleaning device according to claim 8 , wherein the auxiliary roller brush body is an elastic body and the protrusion is an elastic protrusion.
11. The cleaning device according to claim 8 , wherein the auxiliary roller brush further comprises a plurality of flexible supports, the auxiliary roller brush body is provided with an inner cavity, the flexible support is arranged in the inner cavity, and a first end of the flexible support is connected with a wall surface of the inner cavity.
12. The cleaning device according to claim 11 , wherein a second end of a flexible support is a free end, wherein free ends of the plurality of flexible supports are combined to define a mounting cavity, and the mounting cavity is configured to mount a connecting shaft connected to the auxiliary roller brush body.
13. The cleaning device according to claim 12 , wherein the free end is in an arc shape, and curvature of the free ends of each flexible support are the same.
14. The cleaning device according to claim 11 , wherein connecting points of the flexible supports and the inner cavity are distributed evenly along a circumferential direction of the inner cavity.