Rolling brush and floor cleaning head

Abstract

The utility model discloses a rolling brush and a floor cleaning head, the rolling brush comprises a brush main body which is in a cylindrical structure and comprises a pair of side end parts, an outer circumferential surface and an inner circumferential surface, the outer circumferential surface and the inner circumferential surface are positioned between the side end parts, and each side end part is provided with an annular side end surface and an opening part positioned on the inner side of the side end surface; the cleaning flannelette comprises a main body part and a pair of side edge parts; the main body part covers the peripheral surface, each side edge part is folded inwards in the radial direction relative to the main body part and wraps the corresponding side end face, and each side edge part is provided with a crimping edge located on the inner side of the corresponding side end face; the overall dimension of each side end cover is matched with the shape dimension of the corresponding opening part, each side end cover is connected to the corresponding opening part and seals the corresponding side end part, each side end cover does not protrude out of the side edge part wrapping the corresponding side end face, and each crimping edge is crimped on the inner circumferential surface by the corresponding side end cover. According to the rolling brush, the side end of the cleaning flannelette is not prone to falling off from the brush body, and therefore the service life of the rolling brush is guaranteed.

Description

Technical Field

[0001] The present application relates to the field of cleaning equipment, and particularly to a roller brush and a floor cleaning head. Background Art

[0002] In common floor cleaning equipment, a roller brush, as a cleaning tool in contact with the floor to be cleaned, is installed on a floor cleaning head that can move along the floor to be cleaned. During the movement of the floor cleaning head along the floor to be cleaned, the rotating roller brush continuously contacts the floor to be cleaned, thereby achieving the cleaning of the floor to be cleaned.

[0003] When the existing roller brush rotates, it usually only contacts the floor to achieve the cleaning work of the floor. When the floor cleaning head moves along the wall root, the roller brush cannot clean the surface of the wall root, which forces the user to resort to tools or manually perform a secondary cleaning operation on the wall root surface alone, affecting the cleaning efficiency of the cleaning equipment and resulting in a low user experience. Summary of the Utility Model

[0004] In view of this, the present application provides a roller brush and a floor cleaning head to solve at least some of the above problems.

[0005] To achieve the above object, in a first aspect, the present application provides a roller brush, comprising: a brush body, having a cylindrical structure and including a pair of side ends spaced apart from each other in the axial direction and an outer peripheral surface and an inner peripheral surface located between the pair of side ends, each of the side ends having an annular side end face and an opening portion located inside the side end face; a cleaning flannelette, including a main body portion and a pair of side edge portions located on both sides of the main body portion; the main body portion covering the outer peripheral surface, each of the side edge portions being folded radially inward relative to the main body portion and covering the corresponding side end face, each of the side edge portions having a crimping edge located inside the corresponding side end face; and a pair of side end caps, the outer dimension of each side end cap being adapted to the shape and dimension of the corresponding opening portion, each side end cap being respectively mounted at the corresponding opening portion to close the corresponding side end, each side end cap not protruding beyond the side edge portion covering the corresponding side end face, and each crimping edge being pressed by the corresponding side end cap against the inner peripheral surface.

[0006] In the technical solution of the first aspect of the present application, by adding a pair of side edge portions with crimping edges to the cleaning flannelette and pressing the crimping edges against the inner peripheral surface of the brush body by the side end caps, the side ends of the cleaning flannelette are not easily detached from the brush body, thus ensuring the service life of the roller brush.

[0007] In some specific embodiments of the above technical solution of the first aspect, a plurality of cutting openings are provided on the crimping edge and distributed circumferentially.

[0008] In the technical solution of the first aspect, in some specific embodiments, the cleaning flannel is composed of long strip-shaped cleaning flannel strips, and the main body portion is composed of the cleaning flannel strips wound around the outer peripheral surface in a spiral winding manner.

[0009] In the technical solution of the first aspect, in some specific embodiments, the cleaning flannel strip includes a cloth base and cleaning fluff planted on the surface of the cloth base, and the cloth base of the cleaning flannel strip constituting the main body portion is adhered to the outer peripheral surface.

[0010] In the technical solution of the first aspect, in some specific embodiments, the cloth base of the cleaning flannel strip constituting the crimping edge is adhered to the inner peripheral surface.

[0011] In the technical solution of the first aspect, in some specific embodiments, each of the side end caps is fixed to the corresponding inner peripheral surface by ultrasonic welding or spot welding.

[0012] In the technical solution of the first aspect, in some specific embodiments, each of the side end caps is fixed to the corresponding inner peripheral surface by a snap connection or a threaded connection.

[0013] In a second aspect, the present application provides a floor cleaning head, including a housing defining a roller brush cavity and the roller brush as described in the technical solution of the first aspect. The housing has at least one side opening that penetrates the roller brush cavity in a lateral direction. The roller brush is disposed at the roller brush cavity and at least one of the side portions thereof protrudes from the corresponding side opening.

[0014] In the floor cleaning head of the second aspect of the present application, the end of the cleaning flannel can cover the side end face of the brush body and protrude from the side opening, which enables the side end face of the roller brush to also participate in the floor cleaning work, expands the cleaning ability of the roller brush, such as realizing the floor cleaning along the wall edge area, and improves its cleaning ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional schematic diagram of a roller brush provided by an embodiment of the present application;

[0016] Figure 2 is an exploded schematic diagram of a roller brush provided by an embodiment of the present application;

[0017] Figure 3 is an axial cross-sectional schematic diagram of a cleaning flannel provided by an embodiment of the present application;

[0018] Figure 4 is an axial cross-sectional schematic diagram of a roller brush provided by an embodiment of the present application;

[0019] Figure 5 A three-dimensional schematic diagram of a floor cleaning head provided by an embodiment of the present application;

[0020] Among them: 100, a roller brush; 1, a brush body; 2, a cleaning flannel; 3, a first side end cover; 4, a second side end cover; 11, a first side end portion; 12, a second side end portion; 13, an outer peripheral surface; 14, an inner peripheral surface; 111, a first side end face; 112, a first opening; 121, a second side end face; 122, a second opening; 21, a main body portion; 22, a first side edge portion; 23, a second side edge portion; 221, a first crimping edge; 231, a second crimping edge; 222, a cutting opening; 232, a cutting opening; 800, a floor cleaning head; 81, a housing; 82, a roller brush cavity; 83, a side opening. Detailed implementation manners

[0021] To make the objectives, technical solutions, and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0022] The roller brush provided by the present application can be installed in cleaning devices such as floor washing machines and autonomous mobile cleaning robots. When the cleaning device is working, the roller brush is driven to rotate and continuously contacts the ground to be cleaned, so as to complete the cleaning of the ground by friction with the ground to be cleaned.

[0023] Refer to Figure 1-2 , which shows a roller brush provided by an embodiment of the present application. The roller brush 100 includes a brush body 1, a cleaning flannel 2, a first side end cover 3, and a second side end cover 4.

[0024] The brush body 1 has a cylindrical tubular structure, which extends along the axial direction and has a first side end portion 11 and a second side end portion 12 that are axially away from each other, and an outer peripheral surface 13 and an inner peripheral surface 14 located between the first side end portion 11 and the second side end portion 12. The first side end portion 11 has an annular first side end face 111 and a first opening 112 located inside the first side end face 111. The second side end portion 12 has an annular second side end face 121 and a second opening 122 located inside the second side end face 121.

[0025] In the present application, the cleaning flannel 2 covers the outer peripheral surface 13, the first side end face 111, and the second side end face 112 of the brush body 1 at the same time. The cleaning flannel 2 is usually a fabric with fluff planted on a cloth base. In this example, the cleaning flannel 2 is composed of rectangular cleaning flannel strips.

[0026] As Figure 3 shown, the cleaning flannel 2 includes a main body portion 21 fixedly covering the outer peripheral surface 13, and a first side portion 22 and a second side portion 23 located on both sides of the main body portion 21. The main body portion 21 is defined by cleaning flannel strips wound around the outer peripheral surface 13 of the brush main body 1 in a spiral winding manner. The fabric base of the cleaning flannel strips constituting the main body portion 21 is adhered to the outer peripheral surface 13 of the brush main body 1. Both the first side portion 22 and the second side portion 23 are folded radially inward relative to the main body portion 21. The first side portion 22 has a first crimping edge 221. The second side portion 23 has a second crimping edge 231. The fabric base of the cleaning flannel strips constituting the first crimping edge 221 and the second crimping edge 231 is adhered to the inner peripheral surface 14 of the brush main body 1. A plurality of cutting slits 222 distributed circumferentially are provided on the first crimping edge 221. A plurality of cutting slits 232 distributed circumferentially are provided on the second crimping edge 231.

[0027] The first side end cap 3 and the second side end cap 4 are in the shape of a cylindrical cap. The outer dimension of the first side end cap 3 is adapted to the shape and dimension of the first opening portion 112, and the outer dimension of the second side end cap 4 is adapted to the shape and dimension of the second opening portion 122.

[0028] As Figure 4As shown, the main body portion 21 of the cleaning flannel 3 is fixedly covered on the outer peripheral surface 13 of the brush main body 1. A pair of side portions 22 of the cleaning flannel 3 are radially folded inwardly and cover the first side end surface 111 of the first side end portion 11 and the second side end surface 121 of the second side end portion 12. The main body portion 21 covering the outer peripheral surface 13 of the brush main body 1 is fixed on the outer peripheral surface 13 of the brush main body 1 by an adhesive method. The first side end cover 3 is assembled at the first opening 112 and closes the first side end portion 11. The second side end cover 4 is assembled at the second opening 122 and closes the second side end portion 12. The first crimping edge 221 is crimped on the inner peripheral surface 14 of the brush main body 1 by the first side end cover 3, and the second crimping edge 231 is also crimped on the inner peripheral surface 14 of the brush main body 1 by the second side end cover 4. In order to ensure the bonding strength between the first crimping edge 221, the second crimping edge 231 and the inner peripheral surface 14 of the brush main body 1, in some embodiments, the cloth bases of the cleaning flannel strips corresponding to the first crimping edge 221 and the second crimping edge 231 are adhesively bonded to the inner peripheral surface 14 by glue. In some embodiments, the first side end cover 3 and the second side end cover 4 can also be fixed on the inner peripheral surface 14 of the brush main body 1 by an adhesive method; in some embodiments, the first side end cover 3 and the second side end cover 4 can be fixedly assembled with the inner peripheral surface 14 of the brush main body 1 by a snap connection method or a threaded connection method. The first side end cover 3 does not protrude from the first side portion 22 covering the first side surface 111, and the second side end cover 4 does not protrude from the second side portion 23 covering the second side surface 111. In some embodiments, the first side end cover 3 is recessed inwardly relative to the first side portion 22 covering the first side surface 111, and the second side end cover 4 is recessed inwardly relative to the second side portion 23 covering the second side surface 121. With this structure, when the rotary brush cleans the ground, while the main body portion 21 of the cleaning flannel 2 cleans the ground, the first side portion 22 and the second side portion 23 can simultaneously clean the furniture surface and the wall root surface perpendicular to the ground.

[0029] In this application, each crimping edge is crimped on the inner peripheral surface of the brush main body by the corresponding side end cover, which can prevent the side portions of the cleaning flannel from spreading, thereby prolonging the service life of the rotary brush; in addition, the multiple cutting openings on each crimping edge can facilitate the fitting of the crimping edge to the inner peripheral surface of the brush main body, so that the corresponding side end cover can crimp the crimping edge on the inner peripheral surface.

[0030] Such as Figure 5As shown, it shows a floor cleaning head according to an embodiment of the present application. The floor cleaning head 800 is configured to be movable along the floor under the operation of a user. The floor cleaning head 800 includes a housing 81 defining a roller brush cavity 82 at the front and a roller brush 100. The housing 81 has a side opening 83 that penetrates the roller brush cavity 82 in the lateral direction. The roller brush 100 is placed at the roller brush cavity 83 and the first side portion 22 is exposed from the side opening 83. A roller brush motor (not shown in the figure) for driving the roller brush 100 to rotate is also provided on the floor cleaning head 800. The roller brush motor can be built inside the roller brush or located at the rear of the roller brush and is arranged in transmission with the roller brush.

[0031] When the floor cleaning head 800 moves along the floor, the roller brush 100 is driven to rotate, and the main body portion 21 of the cleaning flannel 2 continuously performs friction cleaning on the floor. The first side portion 22 of the cleaning flannel 2 is exposed from the side opening 83, and it can perform friction cleaning on the surfaces of areas such as the wall roots where they meet the floor.

[0032] From the above description, it can be seen that for the roller brush and the side portion of the cleaning flannel according to the embodiment of the present application, the side portion will not peel off from the brush body due to long-term use, and its service life is longer. Moreover, the side portion covering the side end face can increase the cleaning area of the roller brush, so that the roller brush is more likely to clean along the wall.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements. The scope of protection required by the present invention is defined by the appended claims, the specification and their equivalents.

Claims

1. A rotary brush, characterized in that, Comprising: A brush body, having a cylindrical structure and including a pair of side ends spaced apart from each other in the axial direction, an outer peripheral surface and an inner peripheral surface located between the pair of side ends, each of the side ends having an annular side end face and an opening portion located inside the side end face; A cleaning flannel, including a main body portion and a pair of side edge portions located on both sides of the main body portion; the main body portion covers the outer peripheral surface, each of the side edge portions is folded radially inward relative to the main body portion and wraps the corresponding side end face, and each of the side edge portions has a crimping edge located inside the corresponding side end face; and A pair of side end caps, the outer dimension of each side end cap being adapted to the shape and dimension of the corresponding opening portion, each of the side end caps being respectively installed at the corresponding opening portion to close the corresponding side end, each of the side end caps not protruding from the side edge portion covering the corresponding side end face, and each of the crimping edges being crimped on the inner peripheral surface by the corresponding side end cap.

2. The roller brush according to claim 1, wherein A plurality of cutting openings distributed circumferentially are provided on the crimping edge.

3. The roller brush according to claim 1, wherein The cleaning flannel is composed of long strip-shaped cleaning flannel strips, and the main body portion is composed of the cleaning flannel strips wound around the outer peripheral surface in a spiral winding manner.

4. The roller brush according to claim 3, characterized in that, The cleaning flannel strip includes a cloth base and cleaning fluff planted on the surface of the cloth base, and the cloth base of the cleaning flannel strip constituting the main body portion is bonded to the outer peripheral surface.

5. The roller brush according to claim 4, characterized in that, The cloth base of the cleaning flannel strip constituting the crimping edge is bonded to the inner peripheral surface.

6. The roller brush according to claim 1, characterized in that, Each of the side end caps and the corresponding inner peripheral surface are fixed by ultrasonic welding.

7. The roller brush according to claim 1, characterized in that, Each of the side end caps and the corresponding inner peripheral surface are fixed by a snap connection method or a threaded connection method.

8. A floor cleaning head, characterized in that, Comprising a housing defining a roller brush chamber and a roller brush as described in any one of claims 1-7, the housing having at least one side opening communicating with the roller brush chamber in the lateral direction, the roller brush being placed at the roller brush chamber and at least one of the side edge portions being exposed from the corresponding side opening.

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