Rolling brush and cleaning equipment

Abstract

According to the rolling brush and the cleaning equipment, the cleaning strips made of different materials are arranged on the peripheral face of the roller at intervals, so that an uneven staggered structure is formed on the peripheral face of the roller, particularly on the two sides of the first cleaning strip, and hair attached to the peripheral face of the rolling brush can be swept or supported by the cleaning strips when the rolling brush rotates; by means of the structure, the hair is difficult to form a large-area winding area on the peripheral face of the roller, the hair is easier to remove or suck away, blockage of the dust collection channel caused by dense winding is effectively avoided, and a user can conveniently clean the rolling brush. The rolling brush has the advantages that the hair winding prevention capacity of the rolling brush and the cleaning efficiency of the cleaning equipment are improved.

Description

Technical Field

[0001] This application relates to the field of cleaning equipment, specifically to a roller brush and cleaning equipment. Background Technology

[0002] In existing cleaning equipment, the roller brush that comes into contact with the surface to be cleaned is easily entangled with hair. The brush component on the roller brush adsorbs dust and hair on the surface to be cleaned. Some hair is sucked into the recycling container of the cleaning equipment, while some hair extends or gets tangled on the brush component due to factors such as airflow, making it difficult to clean the roller brush.

[0003] In existing technology, two elastic rubber strips extending to both ends of the roller are set on both sides of the bristle strips on the surface of the roller brush. These strips are only slightly lower than the height of the bristle strips. The elastic rubber strips provide support points for the hair, preventing it from getting tangled at the root of the bristles. However, it is difficult to prevent hair from getting tangled around the circumference of the roller, especially for some long hairs, which can continuously wrap around the surface of the roller brush multiple times along its length. This structure causes most of the bristle strips to be covered by the elastic rubber strips, making them difficult to clean. Furthermore, the length of the extended portion that can be effectively cleaned is too short, affecting the overall cleaning effect of the roller brush. In addition, the elastic rubber strips inevitably generate some noise when in contact with the surface to be cleaned, thus affecting the user experience. Summary of the Invention

[0004] This application provides a roller brush and cleaning device to solve the technical problem of the difficulty in cleaning long hairs from the roller brushes of existing cleaning devices.

[0005] This application provides a roller brush for use in household cleaning equipment, comprising a roller, a first cleaning strip, and at least two second cleaning strips. The roller includes a first end and a second end disposed opposite to each other, and an outer peripheral surface located between the first end and the second end; the first cleaning strip is disposed on the outer peripheral surface and extends from the first end of the roller to the second end of the roller; two second cleaning strips are respectively located on both sides of the first cleaning strip and are adjacent to the first cleaning strip; one second cleaning strip extends from the first end toward the center of the roller; the other second cleaning strip extends from the second end toward the center of the roller; wherein the material of the second cleaning strips is different from the material of the first cleaning strip, and the sum of the projected lengths of the second cleaning strips on the roller axis is greater than or equal to the projected length of the first cleaning strip on the roller axis.

[0006] Because the first and second cleaning strips are made of different materials, they exert different forces on the hair during the rotation of the roller brush. Furthermore, since the first cleaning strip extends to both ends of the roller, and the relatively shorter second cleaning strip is distributed one after the other on either side of the first cleaning strip, a staggered structure is formed on both sides of the first cleaning strip. This staggered structure, combined with the different forces provided by the different materials, causes the hair to exert different pressure points on the roller. This makes it difficult for the roller to provide a stable, uniform, and undisturbed surface for long hair to entangle, which helps prevent long hair from forming a large continuous entanglement area on the outer circumference of the roller. Moreover, the second cleaning strip supports the hair from different pressure points, making the hair looser. Simultaneously, as the roller rotates, the long hair experiences different forces due to the different relative positions of the second and first cleaning strips. This alternating "bending" and "pulling" effect further loosens the tightness of the long hair entanglement, making it easier to remove or suck away.

[0007] The total length of the projection of the second cleaning strip on the roller axis is greater than or equal to the length of the projection of the first cleaning strip on the roller axis, so that on the outer circumference of the roller, from one end of the roller to the other end, each segment of the outer circumference will be provided with the first cleaning strip and the second cleaning strip arranged opposite to each other, so that there will be no cleaning dead corners in the area covered by the roller.

[0008] In the aforementioned roller brush, optionally, the first cleaning strip is a bristle strip, and the second cleaning strip is an elastic rubber strip. Because the rubber strip is relatively stiff, the roller brush produces significant noise when rotating. Compared to the long rubber strips extending to both ends of the roller in the prior art, the elastic rubber strip of this application is shorter, making installation easier and producing less noise.

[0009] In the aforementioned roller brush, optionally, the two second cleaning strips are a first elastic strip and a second elastic strip, with the first elastic strip arranged side-by-side with the bristle strip. This arrangement makes the installation of the first elastic strip and the bristle strip more convenient. Alternatively, in the aforementioned roller brush, the second elastic strip and the bristle strip extend on the outer circumferential surface in a manner that keeps them away from each other. Combining the aforementioned features, the two elastic strips extend on both sides of the bristle strip, and a section of elastic strip and a section of bristle strip arranged opposite each other can be considered a cleaning structure. In one cleaning structure, the elastic strip and the bristle strip are parallel or nearly parallel; in another cleaning structure, they are far apart, thus creating a more complex staggered structure on the roller surface. The points of force and the magnitude of force applied by the hair on the roller are different, making it difficult for the hair to wrap around the roller over a large area.

[0010] In the aforementioned roller brush, optionally, the first elastic rubber strip and the bristle strip each have roots and tops that are opposite to each other; the roots are connected to the outer peripheral surface of the roller, and the tops extend away from the roller; the distance between the first elastic rubber strip and the bristle strip remains constant along the extension direction from the roots to the tops.

[0011] In the aforementioned roller brush, optionally, both the second elastic rubber strip and the bristle strip have roots and tops that are opposite to each other; the roots are connected to the outer peripheral surface of the roller, and the tops extend away from the roller; in the extending direction from the roots to the tops, the distance between the second elastic rubber strip and the bristle strips gradually increases. This structure makes the roller surface more staggered, which is more conducive to preventing hair from getting tangled on the roller over a large area.

[0012] In the aforementioned roller brush, optionally, the included angle between the first elastic rubber strip and the bristle strip on at least one end face of the roller is any value between 45° and 70°.

[0013] In the aforementioned roller brush, optionally, in the rotation direction of the roller, the second elastic strip is located in front of the first elastic strip, so that when the roller is rotated, the second elastic strip contacts the surface to be cleaned before the first elastic strip. When hair on the surface to be cleaned contacts the roller surface, it will wrap around the outer circumference of the roller. The two elastic strips, respectively located on both sides of the bristle strip, can effectively support the hair and prevent it from getting tangled at the base of the bristles.

[0014] In the aforementioned roller brush, optionally, the bristle strip is V-shaped, with the first elastic strip located on the convex side of the bristle strip and the second elastic strip located on the concave side. Existing V-shaped long strips are relatively stiff, resulting in significant noise upon contact with the surface to be cleaned. Two short elastic strips can effectively reduce noise.

[0015] In the aforementioned roller brush, optionally, the bristle strip has a first bristle segment and a second bristle segment; the junction of the first bristle segment and the second bristle segment forms a pointed corner; the first elastic rubber strip extends from one end of the roller to the other end, passing over the pointed corner. The first elastic rubber strip is relatively long, exceeding the length of one bristle segment, while the second elastic rubber strip can be shorter, the same length as the other bristle segment. Compared to the existing V-shaped long rubber strip, both elastic rubber strips are relatively short, which can effectively reduce noise.

[0016] In the aforementioned roller brush, optionally, the distance from the pointed corner to the first end of the roller is less than or equal to the distance from the pointed corner to the second end of the roller. When the roller brush rotates, debris and hair on the surface to be cleaned are swept up by the bristles and collect at the pointed corner. When the pointed corner is positioned opposite the suction port, the debris and hair at the pointed corner are sucked away from the suction port. Since hair and dust in the room tend to accumulate near the walls, if the pointed corner is positioned to the right when the user pushes the cleaning device along the wall with their right hand, debris is more likely to accumulate at the pointed corner. Combining the aforementioned solution, a longer elastic strip can extend one end to the vicinity of the suction port and is positioned opposite the right-handed pointed corner, resulting in better cleaning performance.

[0017] In the aforementioned roller brush, optionally, the bristle strip includes a first bristle strip segment and a second bristle strip segment; each second cleaning strip includes a first adhesive strip segment and / or a second adhesive strip segment, wherein the first adhesive strip segment is disposed opposite to the first bristle strip segment, and the second adhesive strip segment is disposed opposite to the second bristle strip segment.

[0018] In the aforementioned roller brush, optionally, the first cleaning strip is an elastic rubber strip, and the second cleaning strip is a bristle strip.

[0019] Optionally, in the aforementioned roller brush, the elastic strip is composed of a rubber strip and a fabric strip disposed on the rubber strip, and the fabric strip is located in front of the rubber strip in the rotation direction of the roller.

[0020] In the aforementioned roller brush, optionally, the first cleaning strip is a bristle strip, and the height of the first cleaning strip is greater than the height of the second cleaning strip; or, the second cleaning strip is a bristle strip, and the height of the second cleaning strip is greater than the height of the first cleaning strip.

[0021] Optionally, in the aforementioned roller brush, at least a portion of the first cleaning strip and at least a portion of the second cleaning strip lie on a set of equidistant curves; the distance between the set of equidistant curves is 3 to 25 mm.

[0022] This application also provides a household cleaning device, including a floor brush housing and the roller brush, wherein a roller brush chamber is formed inside the floor brush housing, and comb teeth are provided inside the roller brush chamber; the roller brush is rotatably installed into the roller brush chamber.

[0023] Optionally, in the aforementioned household cleaning equipment, the floor brush housing is provided with a suction port that communicates with the roller brush chamber, and the suction port is positioned opposite to one end of the second cleaning strip that extends to the middle of the roller.

[0024] The advantage of this application is that it provides a roller brush and cleaning device, in which cleaning strips of different materials are spaced apart on the outer circumference of the roller, so that the outer circumference of the roller, especially on both sides of the first cleaning strip, forms an uneven staggered structure. This staggered structure, combined with the different forces provided by the different materials, causes the hair to exert different points of force on the roller. The roller is difficult to provide a stable, uniform, and interference-free entanglement surface for long hair, which helps to avoid the formation of a large entanglement area of ​​long hair on the outer circumference of the roller. Furthermore, the second cleaning strip supports the hair from different points of force, which can make the hair looser. At the same time, as the roller rotates, due to the different relative positions of the second cleaning strip and the first cleaning strip, the long hair will be subjected to different forces. This alternating "bending" and "pulling" effect can further loosen the tightness of the long hair entanglement, making it easier to remove or suck away the long hair.

[0025] Compared to existing technologies that use long rubber strips on both sides of the brush bristles to extend to both ends of the roller, the outer surface of the roller brush in this application is significantly uneven, providing a stronger sense of texture, better anti-tangling effect, and easier installation. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of the floor brush shell described in the embodiments of this application; Figure 2 This is a partial structural schematic diagram of the floor brush shell described in the embodiments of this application; Figure 3 This is a schematic diagram of the comb teeth structure described in the embodiments of this application; Figure 4 This is a schematic diagram of the structure of the roller brush described in the embodiments of this application; Figure 5 This is a schematic diagram of the structure of the roller brush described in Embodiment 1 of this application. Figure 1 ; Figure 6 This is a schematic diagram of the structure of the roller brush described in Embodiment 1 of this application. Figure 2 ; Figure 7 This is a schematic diagram of the structure of the roller brush described in Embodiment 1 of this application. Figure 3 ; Figure 8 This is a schematic diagram of the end face structure of the roller brush described in Embodiment 1 of this application. Figure 1 ; Figure 9This is a schematic diagram of the end face structure of the roller brush described in Embodiment 1 of this application. Figure 2 ; Figure 10 This is a schematic diagram of the structure of the roller brush described in Embodiment 2 of this application; Figure 11 This is a schematic diagram of the structure of the roller brush described in Embodiment 3 of this application; Figure 12 This is a schematic diagram of the structure of the roller brush described in Embodiment 4 of this application.

[0028] Explanation of reference numerals in the attached figures: 100 Ground brush housing, 101 Connecting part, 102 Dust suction port, 103 Comb teeth, 104 Roller brush chamber; 103a First comb tooth, 103b Second comb tooth; 200 roller brush, 201 roller, the first end of 202 roller, the second end of 203 roller. 204 Outer circumferential surface of the roller, 205 End face of the roller, 206 First cleaning strip. 207 Second Cleaning Strip; 210 Brush strip, 211 First bristle strip segment, 212 Second bristle strip segment, 213 First root section, 214 First top, 215 Sharp corner, 216 Concave side of the bristle strip, 217 The convex side of the bristle strip; 220 Elastic rubber strip, 221 First elastic rubber strip, 222 Second elastic rubber strip. 223 Second root, 224 Second apex, 225 Third root, 226 Third apex 227 First adhesive strip segment, 228 Second adhesive strip segment, 229 Third adhesive strip segment; 230 Mounting rail, 231 First mounting slot, 232 Second mounting slot. 233 Third mounting slot. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0030] like Figures 1-2As shown, this application provides a household cleaning device (not shown), including a floor brush housing 100 and a handle (not shown). A roller brush chamber 104 is formed within the floor brush housing 100, and a roller brush 200 is installed within the roller brush chamber 104. The handle (not shown) is mounted to the floor brush housing 100 via a connecting part 101. A cleaning device motor (not shown) is provided in the handle (not shown), and a roller brush motor (not shown) is provided within the roller brush 200. The main motor (not shown) of the cleaning device provides suction, and the roller brush motor (not shown) drives the roller brush 200 to rotate. A pipe (not shown) is provided within the handle (not shown), and one end of the pipe (not shown)... One end is connected to the dust collection chamber (not shown) inside the handle (not shown), and the other end is connected to the suction port 102 of the floor brush housing 100. The suction port 102 is connected to the roller brush chamber 104. The suction port 102 is located on one side wall inside the roller brush chamber 104. The comb teeth 103 of the floor brush housing 100 are also located on this side wall. The comb teeth 103 are located above the suction port 102. When the roller brush 200 is driven to rotate, the hair wrapped around the roller brush 200 is combed off by the comb teeth 103 inside the floor brush housing 100. The combed hair is sucked into the suction port 102 by the suction force generated by the main motor (not shown) and enters the dust collection chamber (not shown) through the pipe (not shown).

[0031] In one embodiment of this application, such as Figure 3 As shown, the comb teeth 103 are a first comb tooth 103a and a second comb tooth 103b. The extension line of the connection between the first comb tooth 103a and the side wall of the roller brush chamber 104 forms an angle with the center line of the plane containing the side wall; the extension line of the connection between the second comb tooth 103b and the side wall of the roller brush chamber 104 forms an angle with the center line of the plane containing the side wall; wherein, the included angle is an acute angle, and the opening of the included angle is away from the dust suction port 102. The first comb tooth 103a and the second comb tooth 103b form an angle with the center line of the plane containing the side wall. 03b is symmetrically arranged along the centerline of the plane containing the sidewall. The first comb tooth 103a and the second comb tooth 103b are arranged in an outward octagon shape on the rear sidewall of the roller brush chamber 104. That is, the first comb tooth 103a and the second comb tooth 103b are inclined towards the suction port 102. The design of the first comb tooth 103a and the second comb tooth 103b being inclined towards the suction port 102 is not only to separate hair, but more importantly, to guide the separated hair to the suction port 102, thereby improving the suction efficiency.

[0032] In existing cleaning equipment, the elastic rubber strip on the surface of the roller brush is usually a long strip extending to both ends of the roller. When long hair wraps around the roller brush through the bristles, the long elastic strip provides a uniform and undisturbed path, still providing a fulcrum for the hair to wrap tightly. This makes it easier for the long hair to continuously wrap around along the length of the roller brush. Because the entire path is stable and undisturbed, the long hair is more likely to get tangled tighter and tighter, affecting the normal cleaning of the roller brush and making it more difficult to clean. Therefore, to avoid long hair from tightly wrapping around the roller brush surface and forming a large area of ​​tangling, the key is to avoid providing a fulcrum for the hair to wrap tightly.

[0033] like Figure 4 As shown, this application provides a roller brush 200, which is applied to the household cleaning equipment described above. The roller brush 200 includes a roller 201. The roller 201 includes two end faces 205 and an outer peripheral surface 204 of the roller between the two end faces 205. The outer peripheral surface 204 of the roller is provided with a first cleaning strip 206 and at least two second cleaning strips 207 located on both sides of the first cleaning strip 206. The material of the second cleaning strips 207 is different from that of the first cleaning strip 206. The two ends of the first cleaning strip 206 extend to the two ends of the roller 201, and the at least two second cleaning strips 207 extend from the two ends of the roller 201 toward the middle. The sum of the lengths of the projections of the second cleaning strips 207 on the axis of the roller 201 is greater than or equal to the length of the projection of the first cleaning strip 206 on the axis of the roller 201.

[0034] Because the two cleaning strips 206 and 207 are made of different materials, the different materials exert different forces on the hair during the rotation of the roller brush 200. Since the first cleaning strip 206 extends to both ends of the roller 201, the relatively shorter second cleaning strip 207 extends from both ends of the roller 201 towards the center and is distributed one in front of the other on both sides of the first cleaning strip 206, thus forming a staggered structure on both sides of the first cleaning strip. This staggered structure, combined with the different forces provided by the different materials, causes the hair to exert different pressure points on the roller, making it difficult for long hairs to adhere to the roller. The winding provides a stable, uniform, and undisturbed winding surface, which helps to prevent long hair from forming a large continuous winding area on the outer circumference 204 of the roller. Furthermore, the second cleaning strip 207 supports the hair from different points of force, making the hair looser. At the same time, as the roller rotates, the long hair will be subjected to different forces due to the different relative positions of the second cleaning strip 207 and the first cleaning strip 206. This alternating "bending" and "pulling" effect can further loosen the tightness of the long hair winding, making it easier to remove or suck away the long hair.

[0035] Two or more second cleaning strips 207 extend from both ends of the roller 201 toward the middle. The total length of the projection of the second cleaning strips 207 onto the axis of the roller 201 is greater than or equal to the length of the projection of the first cleaning strip 206 onto the axis of the roller 201. This ensures that on the outer circumferential surface of the roller 201, from one end of the roller 201 to the other end, each section of the outer circumferential surface 204 of the roller is provided with opposing first cleaning strips 206 and second cleaning strips 207, thereby ensuring that there are no cleaning dead corners within the coverage area of ​​the roller 201.

[0036] Example 1 like Figures 4-5 As shown, this application provides a roller brush 200 for use in household cleaning equipment, including a roller 201, a first cleaning strip 206 and at least two second cleaning strips 207. In this embodiment, the first cleaning strip 206 is a bristle strip 210, the second cleaning strip 207 is an elastic rubber strip 220, and the two second cleaning strips 207 are a first elastic rubber strip 221 and a second elastic rubber strip 222, respectively.

[0037] Specifically, such as Figure 6 As shown, the outer circumferential surface 204 of the roller is also provided with an installation track 230. The installation track 230 is provided with a first installation groove 231, a second installation groove 232, and a third installation groove 233. The first installation groove 231 and the third installation groove 233 are located on both sides of the second installation groove 232 and are adjacent to the second installation groove 232. The first installation groove 231 is used to install the first elastic rubber strip 221, the second installation groove 232 is used to install the bristle strip 210, and the third installation groove 233 is used to install the second elastic rubber strip 222. In other embodiments, the first installation groove 231, the second installation groove 232, and the third installation groove 233 are provided on at least two installation tracks 230.

[0038] In this embodiment, the elastic strip 220 is composed of a rubber strip and a fabric strip disposed on the rubber strip. In the rotation direction of the roller 201, the fabric strip is located in front of the rubber strip, so that the fabric strip can contact the hair on the brush strip 210 before the rubber strip after the brush strip 210. While ensuring the effect of preventing long hair from getting tangled, it can also make the elastic strip 220 more wear-resistant and improve its service life.

[0039] The bristle strip 210 is used to clean dust and hair from the surface to be cleaned. It can be formed by several bristle bundles, or it can be a continuous felt strip, or it can be made of other materials or in other forms, which are not limited here.

[0040] like Figure 5As shown, the roller 201 includes a first end 202 and a second end 203 of the roller disposed opposite to each other. The roller 201 also includes an outer peripheral surface 204 of the roller located between the first end 202 and the second end 203 of the roller. A bristle strip 210 is disposed on the outer peripheral surface 204 of the roller and extends from the first end 202 of the roller to the second end 203 of the roller. Two elastic rubber strips 220 are respectively located on both sides of the bristle strip 210 and are adjacent to the bristle strip 210.

[0041] In this application, "proximity" is defined as the first cleaning strip 206 and the second cleaning strip 207 acting as the same set of cleaning components to clean the floor. For example, at least a portion of a bristle strip 210 and at least a portion of an elastic strip 220 lie on a set of equidistant curves; the spacing between these equidistant curves is 3–25 mm. On any cross-section of the roller 201, the distance between the center point of any elastic strip 220 and the center point of the bristle strip 210 is always maintained within a threshold range, said threshold range being 3–25 mm.

[0042] Geometrically, when a curve is uniformly wound around the axis of a cylinder at a fixed angle (pitch angle), the resulting trajectory is called a helix. Another curve that maintains a fixed distance from the given curve is called a parallel curve, also known as an equidistant curve. At least a portion of the bristle strip 210 lies on the first helix, and at least a portion of each elastic strip 220 lies on the second helix. In this embodiment, the first and second helices are two parallel curves. In other embodiments, the bristle strip 210 and the elastic strip 220 can be two non-parallel helices.

[0043] like Figure 5 As shown, the first elastic strip 221 extends from the first end 202 of the roller towards the middle of the roller 201; the second elastic strip 222 extends from the second end 203 of the roller towards the middle of the roller 201. One end of the elastic strip 220 extending to the middle of the roller 201 is positioned opposite to the suction port 102, which is used to remove hair from the elastic strip 220. The sum of the projected lengths of the two elastic strips 221 and 222 on both sides of the bristle strip 210 on the axis of the roller 201 is greater than or equal to the projected length of the bristle strip 210 on the axis of the roller 201. This ensures that there is at least one elastic strip 220 parallel to the bristle strip 210 next to any part of it, ensuring that any hair wrapped around the bristle strip 210 is supported by the corresponding elastic strip 220, thus improving the anti-hair entanglement ability of the roller brush 200.

[0044] In this embodiment, the bristle strip 210 is wound from the first end 202 of the roller to the second end 203 of the roller; the first elastic strip 221 is wound from the first end 202 of the roller to the middle of the roller 201; and the second elastic strip 222 is wound from the second end 203 of the roller to the middle of the roller 201. The spiral bristle strip 210 and the spiral elastic strip 220 can increase the winding area of ​​the bristle strip 210 and the elastic strip 220 on the roller 201, thereby improving the cleaning efficiency of the roller brush 200.

[0045] like Figure 5 As shown, the height of the bristle strip 210 is greater than the height of the elastic rubber strip 220, with a height difference of 2-3 mm, allowing the bristle strip 210 to sweep up hair and dust on the cleaning surface. The bristle strips 210 and the elastic rubber strip 220 of different heights form a staggered structure. This staggered structure disrupts the stability of the contact point between the roller brush 200 surface and the hair, making it difficult for the hair to find a stable "point of contact". This further prevents long hair from forming a large area of ​​entanglement on the outer circumference of the roller, effectively improving the roller brush 200's ability to prevent hair entanglement.

[0046] Optionally, the height of the portion of the elastic strip 220 protruding from the outer circumferential surface 204 of the roller gradually decreases from one end of the roller 201 to the middle, thereby further enhancing the staggeredness of the roller surface. At the same time, it also makes it easier for fine hairs to slide down from one end of the roller 201 to the middle along the top of the elastic strip 220, gather in the middle of the outer circumferential surface of the roller, and be more easily sucked away from the suction port 102.

[0047] like Figure 5 As shown, the projected lengths of the first elastic strip 221 and the second elastic strip 222 on the axis of the roller 201 are both less than the projected length of the bristle strip 210 on the axis of the roller 201. In this embodiment, the projected length of the first elastic strip 221 on the axis of the roller 201 is approximately 50-55% of the roller length, the projected length of the second elastic strip 222 on the axis of the roller 201 is approximately 65-80% of the roller length, and the projected length of the bristle strip 210 on the axis of the roller 201 is approximately the same as the roller length. Because the elastic strip 220 has a certain rigidity, when the roller brush 200 rotates at high speed, the rigid elastic strip 220 comes into rapid contact with the surface to be cleaned, inevitably generating some noise. Since the lengths of both elastic strips 220 are less than the length of the bristle strip 210, compared to the prior art with two long elastic strips 220, the total length of the elastic strips 220 is smaller, resulting in less noise.

[0048] like Figure 5As shown, the first elastic adhesive strip 221 and the bristle strip 210 are arranged side by side. This side-by-side arrangement includes cases where they are parallel or nearly parallel to each other. The elastic adhesive strip 220 and the bristle strip 210 need to maintain a small gap to achieve a better anti-hair entanglement effect. Even if they cannot strictly form a parallel curve structure, their offset angle is extremely small (usually less than 5 degrees). The side-by-side arrangement described below also refers to cases where they are parallel or nearly parallel to each other, and will not be elaborated upon further in this document. This side-by-side arrangement makes the installation of the first elastic adhesive strip 221 and the bristle strip 210 more convenient, and also facilitates the manufacture of the corresponding mounting tracks 230.

[0049] Optionally, the second elastic strip 222 and the bristle strip 210 extend away from each other on the outer peripheral surface 201 of the roller.

[0050] Thus, the first elastic strip 221 and the bristle strip 210 are arranged side by side, and the second elastic strip 222 and the bristle strip 210 extend away from each other on the outer peripheral surface 204 of the roller. On the outer peripheral surface 204 of the roller, when viewed from one end of the roller 201, the second elastic strip 222 and the bristle strip 210 extend away from each other, while when viewed from the other end of the roller 201, the elastic strip 222 and the bristle strip 210 extend close to each other. This creates a more complex staggered structure on the surface of the roller 201 along its length, resulting in different points of contact and varying degrees of contact between the hair and the roller 201. This makes it difficult for hair to become entangled on the roller 201 over a large area and makes it easier to remove or suck it away.

[0051] When the roller brush 200 rotates and the hair on the surface to be cleaned is about to get tangled on the roller brush 200, the two cleaning strips 206 and 207 of different materials provide different forces to the hair. The elastic rubber strip 220 is harder and can provide greater support force, while the bristle strip 210 is softer and provides less support force. This results in support forces of different magnitudes and directions. The bristle strip 210 extends to both ends of the roller 201, and two or more elastic rubber strips 221 and 222 extend from both ends of the roller 201 toward the middle, thus forming a staggered structure. This makes the point of force application of the hair on the roller 201 different, making it difficult for the hair to form a large area of ​​entanglement on the outer circumference 204 of the roller, and making it easier to remove or suck it away.

[0052] Because the support force and point of force of the hair on the surface of the roller 201 are different, the hair is subjected to alternating "bending" and "pulling" during the rotation of the roller brush. This reduces the entanglement force between the hair and the bristle strips 210, and between adjacent elastic strips, preventing the hair from becoming more tightly entangled and forming a dense clump. This makes it easier for the hair to detach from the roller brush and be sucked away from the suction port 102. For hair that is about to be entangled, this staggered structure disrupts the stability of the contact point between the roller brush 200 surface and the hair. The hair has difficulty finding a stable "point of force," disrupting the rhythm of hair entanglement. Without a stable "point of force," the hair cannot be entangled over a large area, preventing the hair from entangled to the root of the bristle strips 210 and improving the anti-entanglement ability of the roller brush 200.

[0053] like Figure 5 and Figure 7 As shown, the first elastic rubber strip 221 and the bristle strip 210 both have roots and tops that are opposite to each other. Specifically, the bristle strip 210 has a first root 213 and a first top 214 that are opposite to each other, and the first elastic rubber strip 221 has a second root 223 and a second top 224 that are opposite to each other. The first root 213 and the second root 223 are connected to the outer peripheral surface 204 of the roller, and the first top 214 and the second top 224 extend away from the roller 201. On the cross-section or end face of the roller brush, the distance between the first elastic rubber strip 221 and the bristle strip 210 remains constant along the extension direction from the root to the top.

[0054] like Figure 5 and Figure 7 As shown, the second elastic rubber strip 222 has a third root 225 and a third top 226 that are opposite to each other; the third root 225 is connected to the outer peripheral surface 204 of the roller, and the third top 226 extends away from the roller 201; on the cross-section or end face of the roller brush, along the extension direction from the root to the top, the distance between the second elastic rubber strip 222 and the bristle strip 210 gradually increases.

[0055] Optionally, on the end face 205 of the roller, the included angle between the second elastic rubber strip 222 and the bristle strip 210 is any value between 45° and 70°. Specifically, on the end face 205 of at least one roller, the central axis of the second elastic rubber strip 222 and the central axis of the bristle strip 210 form the included angle.

[0056] On the outer circumferential surface 201 of the roller, a bristle strip 210 and its two elastic strips 220 form a cleaning structure. At least one section consists of a first elastic strip 221 and a bristle strip 210, with a constant distance between them along the extension direction of the roller 201's cross-section. The other section consists of a second elastic strip 222 and a bristle strip 210, with a gradually increasing distance between them along the extension direction of the roller 201's cross-section. This structure further strengthens the staggered structure formed along the length of the roller 201, resulting in different points of contact and varying degrees of force on the hair on the roller 201. This makes it more difficult for hair to become entangled on the roller 201 over a large area, making it easier to remove or suck it away.

[0057] There may be more than two cleaning structures on the cross-section or circumference of the roller 201. Each cleaning structure is not evenly distributed on the surface of the roller 201, so that the roller 201 with two cleaning strips 206 and 207 is formed into a non-centrally symmetrical structure, and its center of mass is not on the central axis of the roller 201. When the roller brush 200 rotates, the roller 201 will shake or vibrate slightly, thereby reducing the hair entanglement force, so that the hair can be more easily sucked away from the suction port 102 after slipping off.

[0058] Conventional rollers 201 are all centrally symmetrical structures, with their center of mass located on the central axis of the roller. The extension lengths and angles of the multiple mounting tracks 230 used to mount the bristle strips 210 and elastic strips 220 on their surface are all symmetrically arranged. Therefore, the amount of interference between the elastic strips 220 at different positions on the surface of this roller 201 and the comb teeth 103 is the same. When an elastic strip 220 contacts a comb tooth 103, on the cross-section of the roller 201, the plane containing the elastic strip 220 is parallel or approximately parallel to the plane containing the comb tooth 103.

[0059] like Figure 8 As shown, the roller 201 in this embodiment forms a non-centrally symmetrical structure. The first elastic rubber strip 221 and the bristle strip 210 form a first cleaning structure, and the second elastic rubber strip 222 and the bristle strip 210 form a second cleaning structure. The first and second cleaning structures are non-centrally symmetrically arranged on at least a portion of the cross-section or end face of the roller 201. If the spacing between the elastic rubber strip 220 and the bristle strip 210 in both cleaning structures remains constant in the extending direction of the roller cross-section, the second elastic rubber strip 222 will contact the comb teeth 103 with a wider oblique contact surface, resulting in greater interference between the second elastic rubber strip 222 and the comb teeth 103. Conversely, the first elastic rubber strip 222 will contact the comb teeth 103 with a narrower oblique contact surface, resulting in less interference between the first elastic rubber strip 222 and the comb teeth 103. This leads to inconsistent service lives for the first and second elastic rubber strips 221 and 222.

[0060] Therefore, it is necessary to appropriately adjust the form of some of the first elastic rubber strips 221 or the second elastic rubber strips 222, so that some of the elastic rubber strips 220 and the bristle strips 210 extend parallel or nearly parallel to each other on the cross-section or end face of the roller 201, while other elastic rubber strips 220 and the bristle strips 210 extend away from each other on the cross-section or end face of the roller. When the elastic rubber strips 220 contact the comb teeth 103, the amount of interference between the elastic rubber strips 220 and the comb teeth 103 at different positions on the surface of the roller 201 is the same.

[0061] In this embodiment, as Figure 9 As shown, an elastic rubber strip 220 and a bristle strip 210 arranged opposite to each other can be considered as a cleaning structure. Two cleaning structures exist on the cross-section or end face of the roller brush 201. In one cleaning structure, the distance between the first elastic rubber strip 221 and the bristle strip 210 in the extending direction of the roller cross-section remains constant. In the other cleaning structure, the distance between the second elastic rubber strip 222 and the bristle strip 210 in the extending direction of the roller 201 cross-section gradually increases. When the second elastic rubber strip 222 is tilted at a certain angle, the interference between the second elastic rubber strip 222 and the comb teeth 103 decreases, becoming consistent with the interference between the first elastic rubber strip 221 and the comb teeth 103 on the other side.

[0062] Using the parallel bristle strips 210 and the first elastic rubber strip 221 as references, during the rotation of the roller brush 200, when the first elastic rubber strip 221 contacts the comb teeth 103, assuming the interference between the first elastic rubber strip 221 and the comb teeth 103 is 0.5mm, due to the overall non-central symmetry, when the roller brush 200 rotates to the point where the second elastic rubber strip 222 contacts the comb teeth 103, if it maintains the same extension direction as the first elastic rubber strip 221, that is, extends at the same angle as the bristle strip 210, the second elastic rubber strip 222 will contact the comb teeth with a wider oblique contact surface, resulting in a larger interference between the second elastic rubber strip 222 and the comb teeth 103, possibly 1mm, which in turn leads to inconsistent service lives between the second elastic rubber strip 222 and the first elastic rubber strip 221.

[0063] like Figure 9As shown, to avoid inconsistencies in the interference between the first elastic rubber strip 221 and the comb teeth 103, and between the second elastic rubber strip 222 and the comb teeth 103 in the non-centrally symmetrically arranged roller brush 200, the spacing between the first elastic rubber strip 221 and the bristle strip 210 in at least one set of the extending directions in the cross-section of the roller 201 is kept constant, while the spacing between the second elastic rubber strip 222 and the bristle strip 210 in at least one set of the extending directions in the cross-section of the roller 201 is gradually increased. This makes the extension forms of the elastic rubber strips 221 and 222 inconsistent with those of the bristle strip 210, achieving the technical effect that the interference between the elastic rubber strips 221 and 222 and the comb teeth 103 is kept at a fixed value. The fixed value is preferably 0.5 mm, to ensure that the hair wrapped around the first elastic rubber strip 221 and the second elastic rubber strip 222 can be combed off by the comb teeth 103 and enter the dust suction port 102, so that the service life of the first elastic rubber strip 221 and the second elastic rubber strip 222 is consistent, and the roller brush 200 avoids generating excessive noise.

[0064] In order to increase the contact area between the bristle strip 210 and the surface to be cleaned, improve the cleaning efficiency of the roller brush 200, and further improve the anti-tangling ability of the roller brush 200, this application includes the following technical features.

[0065] like Figure 5 As shown, in the rotation direction of the roller 201, the second elastic strip 222 is located in front of the first elastic strip 221, so that when the roller 201 is rotated, the second elastic strip 222 contacts the surface to be cleaned before the first elastic strip 221.

[0066] In this embodiment, to improve the anti-tangling effect, elastic strips are provided on both sides of the bristle strip 210 to form double support. Since the first elastic strip 221 and the second elastic strip 222 extend from both ends of the roller 201 towards the center, the first elastic strip 221 at the rear end must be longer than the second elastic strip 222 at the front end to create an uneven, staggered structure on the outer circumference of the roller 201. In this embodiment, the shorter second elastic strip 222 is approximately 50-55% of the roller length, and the longer second elastic strip 222 is approximately 65-80% of the roller length.

[0067] The first elastic strip 221 extends to one end of the middle of the roller 201 and is positioned opposite the suction port 102. The surfaces of the first elastic strip 221 and the second elastic strip 222 are smooth, and the suction port 102 has a large suction force. When the roller brush 200 rotates, the hair on the surface to be cleaned is rolled up by the roller brush 200. Under the action of the suction force of the suction port 102, some of the hair slides along the surface of the second elastic strip 222 toward the middle of the roller and is then sucked away by the suction port 102. The other part of the hair seeks a point of leverage along the circumference of the roller 201 and is first supported by the second elastic strip 222 on the front side to prevent too much hair from sticking to the brush strip 210.

[0068] The hair supported by the second elastic strip 222 partially adheres to the end of the bristle strip and moves past the bristle strip 210 along the circumference of the roller 201 to find the next point of contact. Under the suction force of the suction port 102, this part of the hair falls into the recessed space between the bristle strip 210 and the first elastic strip 221. Part of it is blocked by the first elastic strip 221 and slides along the surface of the first elastic strip 221 and is sucked away from the suction port 102. The remaining part of the longer hair is supported by the first elastic strip 221 again, causing the hair to move up and down around the roller circumference, unable to find a stable point of contact and unable to wrap around stably.

[0069] At the same time, the number of hairs rolled up by the roller brush decreases after each time they pass over two elastic rubber strips. As the roller brush 200 rotates, the above process is repeated many times. The hairs cannot form a large area of ​​entanglement on the roller surface and can only be sucked away by the suction port 102 in batches. Therefore, the number of hairs on the roller surface will only decrease.

[0070] like Figure 5 As shown, the bristle strip 210 is V-shaped. The first elastic strip 221 is located on the convex side 217 of the bristle strip, and the second elastic strip 222 is located on the concave side 216 of the bristle strip. The V-shaped bristle strip 210 increases the contact area between the bristle strip 210 and the surface to be cleaned, allowing more hair to adhere and improving the cleaning efficiency of the roller brush 200. Existing V-shaped long strips are relatively stiff and produce significant noise when in contact with the surface to be cleaned. This embodiment uses two short elastic strips respectively located on both sides of the bristle strip to effectively reduce noise.

[0071] To further improve the hair tangle prevention capability of the roller brush 200, this application also includes the following technical features.

[0072] like Figure 5As shown, the bristle strip 210 is designed in a V-shape, and has a first bristle segment 211 and a second bristle segment 212; a sharp corner 215 is formed at the junction of the first bristle segment 211 and the second bristle segment 212; a first elastic strip 221 extends from one end of the roller 201 to the other end, and passes over the sharp corner 215. In this embodiment, the extension lengths of the first elastic strip 221 and the second elastic strip 222 are different on the outer circumferential surface of the roller 201. The first elastic strip 221 is longer than the first bristle segment 211 and the second elastic strip 222, and the second elastic strip 222 can be the same length as the second bristle segment 212. In other embodiments, the second elastic strip 222 can be longer than the second bristle segment 212 and the first elastic strip 221. Compared with the existing V-shaped long strips, the two elastic strips 221 and 222 are relatively short, which can effectively reduce noise.

[0073] The distance from the pointed end 215 to the first end 202 of the roller is less than or equal to the distance from the pointed end 215 to the second end 203 of the roller. In this embodiment, the pointed end 215 is located in the middle of the roller 201, and the distance from the pointed end 215 to the first end 202 of the roller is equal to or approximately equal to the distance from the pointed end 215 to the second end 203 of the roller. When the roller brush 200 rotates, the debris and hair on the surface to be cleaned are swept up by the bristles and gather at the V-shaped pointed end 215. The pointed end 215 is positioned opposite to the suction port 102, and the debris and hair at the pointed end 215 are sucked away from the suction port 102.

[0074] In other embodiments, the distance from the pointed corner 215 to the first end 202 of the roller is less than the distance from the pointed corner 215 to the second end 203 of the roller. This increases the overlap area between the second elastic strip 222 and the first elastic strip 221 and the first bristle segment 211 and the second bristle segment 212, allowing more hair on the first bristle segment 211 and the second bristle segment 212 to be supported by the second elastic strip 222 and the first elastic strip 221, thus improving the anti-tangling ability of the roller brush 200. Since hair and dust in the room tend to accumulate in the wall area, in this embodiment, most users (only 5% of people are left-handed) will habitually use their right hand to push the cleaning device in the wall area. If the pointed corner 215 is positioned to the right, debris will more easily accumulate in the pointed corner 215. In conjunction with the aforementioned solution, one end of the longer elastic strip 220 can extend to the vicinity of the suction port 102, and the suction port 102 is positioned opposite to the right-side pointed corner 215. Preferably, the cleaning effect of the roller brush 200 is better when the ratio of the distance between the pointed end 215 and the right end of the roller brush 200 to the length of the roller brush 200 is 20-40%.

[0075] The technical advantage of this embodiment lies in the fact that bristle strips extending to both ends of the roller are provided on the outer circumferential surface of the roller, and an elastic rubber strip is provided on each side of the bristle strip. The two elastic rubber strips extend from both ends of the roller towards the middle, forming a staggered structure. During the rotation of the roller brush, this staggered structure causes the hair to have different points of force and different supporting forces on the roller, making it difficult for the hair to form a large area of ​​entanglement on the outer circumferential surface of the roller, and making it easier to remove or suck it away.

[0076] Example 2 This embodiment includes some features from Embodiment 1, the difference being that, for example... Figure 5 and Figure 10 As shown, the first cleaning strip 206 is an elastic rubber strip 220, and the second cleaning strip 207 is a bristle strip 210. The two second cleaning strips 207 are respectively the first bristle segment 211 and the second bristle segment 212. The two bristle segments 211 and 212 are located on both sides of the elastic rubber strip 220. The elastic rubber strip 220 is V-shaped, and its two ends extend to the two ends of the roller. The sum of the projected lengths of the multiple bristle segments 211 and 212 on the axis of the roller 201 is greater than or equal to the projected length of the elastic rubber strip 220 on the axis of the roller 201.

[0077] Optionally, the height of the bristle strip 210 is greater than the height of the elastic rubber strip 220, with a height difference of 2-3 mm, so as to sweep the surface to be cleaned. Other structural features of the bristle strip 210 and the elastic rubber strip 220 are the same as in Example 1 and will not be described in detail here.

[0078] In this embodiment, when the roller brush 200 rotates and the hair on the surface to be cleaned is about to wrap around the roller brush 200, the two cleaning strips 206 and 207 of different materials provide different forces to the hair. The elastic rubber strip 220 is harder and can provide greater support force, while the bristle strip 210 is softer and provides less support force, thus generating different forces. Furthermore, the elastic rubber strip 220 extends to both ends of the roller 201, and two or more bristle segments 211 and 212 extend from both ends of the roller 201 toward the middle, thus forming a staggered structure. This makes the point of force application of the hair on the roller 201 different, making it difficult for the hair to form a large area of ​​wrapping on the outer circumference 204 of the roller, and making it easier to remove or suck it away.

[0079] Because the support force and point of force of the hair on the surface of the roller 201 are different, the hair is subjected to alternating "bending" and "pulling" during the rotation of the roller brush 200. This reduces the entanglement force between the hair and the bristle strips 210 and the elastic strips 220, preventing the hair from becoming more tightly entangled and forming a dense clump. This makes it easier for the hair to detach from the roller brush 200 and be sucked away from the suction port 102. For hair that is about to be entangled, this staggered structure disrupts the stability of the contact point between the roller brush 200 surface and the hair. The hair has difficulty finding a stable "point of force," disrupting the rhythm of hair entanglement. Without a stable "point of force," the hair cannot undergo a large-area entanglement process, thus preventing the hair from entangled to the root of the bristle strips 210 and improving the anti-entanglement ability of the roller brush 200.

[0080] The sum of the projected lengths of the bristle segments 211 and 212 on the axis of the roller 201 is greater than or equal to the projected length of the elastic rubber strip 220 on the axis of the roller 201. This ensures that on the outer circumferential surface 204 of the roller, from one end of the roller 201 to the other end, each section of the outer circumferential surface 204 of the roller is provided with oppositely arranged bristle strips 210 and elastic rubber strips 220, thereby ensuring that there are no cleaning dead corners in the area covered by the roller 201.

[0081] Other technical features and effects of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

[0082] The technical advantage of this embodiment lies in the fact that elastic rubber strips extending to both ends of the roller are provided on the outer circumferential surface of the roller, and a bristle segment is provided on each side of the elastic rubber strip. The two bristle segments extend from both ends of the roller towards the middle, forming a staggered structure. During the rotation of the roller brush, this staggered structure causes the hair to have different points of force and different supporting forces on the roller, making it difficult for the hair to form a large area of ​​entanglement on the outer circumferential surface 204 of the roller, and making it easier to remove or suck it away.

[0083] Example 3 This embodiment includes some features from Embodiment 1, the difference being that, for example... Figure 5 and Figure 11 As shown, the bristle strip 210 includes a first bristle strip segment 211 and a second bristle strip segment 212; each elastic rubber strip 220 includes a first rubber strip segment 227 and / or a second rubber strip segment 228, the first rubber strip segment 227 and the first bristle strip segment 211 are arranged side by side and opposite to each other, and the second rubber strip segment 228 and the second bristle strip segment 212 are arranged side by side and opposite to each other.

[0084] Multiple brush strips 211 and 212 can be connected to each other or not connected to each other, but the sum of the projected lengths of multiple adhesive strips 227 and 228 on the axis of roller 201 must be greater than or equal to the sum of the projected lengths of multiple brush strips 211 and 212 on the axis of roller 201; the sum of the projected lengths of multiple adhesive strips 227 and 228 on the axis of roller 201 must be greater than or equal to the length of roller 201, so that on the outer peripheral surface 204 of roller 201, from one end of roller 201 to the other end, each section of the outer peripheral surface 204 of roller 201 will have brush strips 211 and 212 and adhesive strips 227 and 228 arranged opposite to each other, so that there will be no cleaning dead corners in the area covered by roller 200.

[0085] In this embodiment, the first elastic adhesive strip 221 includes a first adhesive strip segment 227, and the second elastic adhesive strip 222 includes a second adhesive strip segment 228. The first adhesive strip segment 227 and the second adhesive strip segment 228 extend from both ends of the roller 201 toward the middle of the roller 201. The sum of the projected lengths of the first adhesive strip segment 227 and the second adhesive strip segment 228 on the axis of the roller 201 is equal to the projected length of the bristle strip 210 on the axis of the roller 201. Preferably, the projected lengths of the first adhesive strip segment 227 and the second adhesive strip segment 228 on the axis of the roller 201 are both about 50% of the length of the roller, and the projected length of the bristle strip 210 on the axis of the roller 201 is approximately the same as the length of the roller. This ensures that on the outer peripheral surface 204 of the roller, from one end of the roller 201 to the other end, each section of the outer peripheral surface 204 of the roller is provided with oppositely arranged bristle strip segments 211 and 212 and adhesive strip segments 227 and 228, thereby ensuring that there are no cleaning dead corners within the coverage area of ​​the roller 201.

[0086] The height of the brush strips 211 and 212 is greater than the height of the rubber strips 227 and 228, with a height difference of 2 to 3 mm, so that the brush can reach the surface to be cleaned.

[0087] The other structural features of the bristle segments 211 and 212 are the same as those of the bristle strip 210 in Example 1, and the other structural features of the adhesive strip segments 227 and 228 are the same as those of the elastic adhesive strip 220 in Example 1, and will not be described in detail here.

[0088] In this embodiment, when the roller brush 200 rotates and the hair on the surface to be cleaned is about to wrap around the roller brush 200, the two cleaning strips 206 and 207 of different materials provide different forces to the hair. The rubber strips 227 and 228 are harder and can provide greater support force, while the hair strips 211 and 212 are softer and provide less support force, thus generating different forces.

[0089] Two adhesive strips 227 and 228 extend from both ends of roller 201 to the middle of roller 202; two hair strips 211 and 212 extend from both ends of roller 201 to the middle of roller 201, thus forming a staggered structure. This makes the hair's point of force on roller 201 different, making it difficult for the hair to form a large area of ​​entanglement on the outer circumference 204 of the roller, and making it easier to remove or suck it away.

[0090] Because the support force and the point of force of the hair on the surface of the roller 201 are different, the hair is subjected to alternating "bending" and "pulling" during the rotation of the roller brush 200. This reduces the entanglement force between the hair and the bristle strip 210 and between adjacent hairs, preventing the hair from getting more and more entangled. This makes it easier for the hair to detach from the roller brush 200 and be sucked away from the suction port 102, thus improving the anti-entanglement ability of the roller brush 200.

[0091] Other technical features and effects of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

[0092] The technical advantage of this embodiment lies in the fact that multiple bristle segments are arranged on the outer circumferential surface of the roller, and an adhesive strip segment is arranged on at least one side of each bristle segment, forming a more complex and irregular staggered structure. During the rotation of the roller brush, this staggered structure makes the point of force exerted by the hair on the roller unstable and the supporting force varies, which reduces the hair entanglement force, prevents the hair from starting its entanglement process, and makes it easier for the hair to detach from the roller brush and be sucked away from the suction port.

[0093] Example 4 This embodiment includes some features from Embodiment 1, the difference being that, for example... Figure 5 and Figure 12 As shown, the bristle strip 210 includes a first bristle strip segment 211 and a second bristle strip segment 212; each elastic rubber strip 220 includes a first rubber strip segment 227 and / or a second rubber strip segment 228, the first rubber strip segment 227 and the first bristle strip segment 211 are arranged side by side, and the second rubber strip segment 228 and the second bristle strip segment 212 are arranged side by side.

[0094] In this embodiment, the first elastic strip 221 includes a first strip segment 227, and the second elastic strip 222 includes a second strip segment 228 and a third strip segment 229 connected to each other. The third strip segment 229 is arranged side by side with the first strip segment 211. The third strip segment 229 extends from the middle of the roller 201 to one end of the roller 201. The first strip segment 227 and the second strip segment 228 extend from both ends of the roller 201 to the middle of the roller, respectively. The sum of the projected lengths of the three strip segments 227, 228, and 229 on the axis of the roller 201 is greater than the lengths of the two strip segments 211 and 212 on the axis of the roller 201. The total length of the projections on the line is equal to the length of the projection of the first adhesive strip segment 227 on the axis of the roller 201. The length of the projection of the third adhesive strip segment 229 on the axis of the roller 201 is less than the length of the projection of the second adhesive strip segment 228 on the axis of the roller 201. This ensures that on the outer circumferential surface 204 of the roller, from one end of the roller 201 to the other end, each section of the outer circumferential surface 204 of the roller will have relatively arranged brush strip segments 211, 212 and adhesive strip segments 227, 228, so that there will be no cleaning dead corners in the area covered by the roller 201.

[0095] The height of the brush strips 211 and 212 is greater than the height of the rubber strips 227, 228 and 229, with a height difference of 2 to 3 mm, so that the brush can reach the surface to be cleaned.

[0096] The other structural features of the bristle segments 211 and 212 are the same as those of the bristle strip 210 in Example 1, and the other structural features of the adhesive strip segments 227, 228 and 229 are the same as those of the elastic adhesive strip 220 in Example 1, and will not be described in detail here.

[0097] In this embodiment, when the roller brush 200 rotates and the hair on the surface to be cleaned is about to wrap around the roller brush 200, the two cleaning strips 206 and 207 of different materials provide different forces to the hair. The rubber strips 227, 228 and 229 are harder and can provide greater support force, while the hair strips 211 and 212 are softer and provide less support force, thus generating different forces.

[0098] Adhesive strips 227 and 228 extend from both ends of roller 201 to the middle of roller 202, respectively. A third adhesive strip 229 extends from the middle of roller 201 towards one end. Two hair strips 211 and 212 extend from both ends of roller 201 to the middle of roller 201, forming a staggered structure. This results in different points of contact between the hair and the roller 201, making it difficult for the hair to form a large entanglement area on the outer circumference 204 of the roller, thus making it easier to remove or suck up.

[0099] Because the support force and the point of force of the hair on the surface of the roller 201 are different, the hair is subjected to alternating "bending" and "pulling" during the rotation of the roller brush 200. This reduces the entanglement force between the hair and the bristle strip 210 and between adjacent hairs, preventing the hair from getting more and more entangled. This makes it easier for the hair to detach from the roller brush 200 and be sucked away from the suction port 102, thus improving the anti-entanglement ability of the roller brush 200.

[0100] Other technical features and effects of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

[0101] The technical advantage of this embodiment lies in the fact that multiple bristle segments are arranged on the outer circumferential surface of the roller, and an elastic rubber strip is arranged on at least one side of each elastic rubber strip segment, forming a more complex and irregular staggered structure. During the rotation of the roller brush, this staggered structure makes the point of force exerted by the hair on the roller unstable and the supporting force varies, which reduces the hair entanglement force, prevents the hair from starting its entanglement process, and makes it easier for the hair to detach from the roller brush and be sucked away from the suction port.

[0102] The advantage of this application is that it provides a roller brush and cleaning device, in which cleaning strips of different materials are arranged at intervals on the outer circumference of the roller, so that the outer circumference of the roller, especially on both sides of the first cleaning strip, forms an uneven staggered structure. This allows the hair attached to the circumference of the roller brush to be swept or supported by the cleaning strips when the roller brush rotates, making it difficult for hair to form a large area of ​​entanglement on the outer circumference of the roller. The hair is easier to remove or suck away, effectively avoiding the blockage of the suction channel caused by dense entanglement, and making it convenient for users to clean the roller brush.

[0103] Compared to existing technologies that use long rubber strips on both sides of the brush bristles to extend to both ends of the roller, the outer surface of the roller brush in this application is significantly uneven, providing a stronger sense of texture, better anti-tangling effect, easier installation, and lower cost.

[0104] The above provides a detailed description of the roller brush and cleaning device provided by this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A rolling brush applied to a household cleaning device, characterized in that, The application relates to a roller brush, comprising: a roller, comprising a first end and a second end arranged oppositely, and an outer circumferential surface between the first end and the second end; a first cleaning strip arranged on the outer circumferential surface, the first cleaning strip extending from the first end of the roller to the second end of the roller; at least two second cleaning strips, each arranged on a side of the first cleaning strip and adjacent to the first cleaning strip, one of the second cleaning strips extending from the first end to a middle part of the roller, and the other of the second cleaning strips extending from the second end to the middle part of the roller; wherein the material of the second cleaning strips is different from the material of the first cleaning strip, and the total length of the second cleaning strips projected on the axis of the roller is greater than or equal to the length of the first cleaning strip projected on the axis of the roller.

2. The roller brush of claim 1, wherein: the first cleaning strip is a bristle strip, and the second cleaning strips are elastic rubber strips.

3. The roller brush of claim 2, wherein: the two second cleaning strips are respectively a first elastic rubber strip and a second elastic rubber strip, the first elastic rubber strip is arranged side by side with the bristle strip.

4. The roller brush of claim 3, wherein: the second elastic rubber strip and the bristle strip extend away from each other on the outer circumferential surface.

5. The roller brush of claim 3, wherein: the first elastic rubber strip and the bristle strip each have a root part and a top part facing away from each other, the root part is connected to the outer circumferential surface of the roller, and the top part extends away from the roller; the distance between the first elastic rubber strip and the bristle strip remains unchanged along the extension direction from the root part to the top part.

6. The roller brush of claim 3, wherein: the second elastic rubber strip and the bristle strip each have a root part and a top part facing away from each other, the root part is connected to the outer circumferential surface of the roller, and the top part extends away from the roller; the distance between the second elastic rubber strip and the bristle strip gradually increases along the extension direction from the root part to the top part.

7. The roller brush of claim 6, wherein: on at least one end surface of the roller, the included angle between the first elastic rubber strip and the bristle strip is any value within a range of 45 degrees to 70 degrees.

8. The roller brush of claim 3, wherein: in the rotation direction of the roller, the second elastic rubber strip is located in front of the first elastic rubber strip, so that when the roller is rotated, the second elastic rubber strip contacts the surface to be cleaned earlier than the first elastic rubber strip.

9. The roller brush of claim 3, wherein: the bristle strip is V-shaped, the first elastic rubber strip is located on the convex side of the bristle strip, and the second elastic rubber strip is located on the concave side of the bristle strip.

10. The roller brush of claim 9, wherein: the bristle strip has a first bristle segment and a second bristle segment; a sharp corner part is formed at the joint of the first bristle segment and the second bristle segment; the second elastic rubber strip extends from one end of the roller to the other end of the roller and passes over the sharp corner part.

11. The roller brush of claim 10, wherein: The distance from the sharp corner to the first end of the roller is less than or equal to the distance from the sharp corner to the second end of the roller.

12. The brush roll of claim 2, wherein: the bristle strip comprises a first bristle segment and a second bristle segment; each of the second cleaning strips comprises a first rubber segment arranged in parallel with the first bristle segment, and / or a second rubber segment arranged in parallel with the second bristle segment.

13. The brush roll of claim 1, wherein: the first cleaning strips are bristle strips, and the second cleaning strips are rubber strips.

14. The brush roll of claim 2 or 13, wherein: the rubber strip is composed of a rubber segment and a fabric segment arranged on the rubber segment, and the fabric segment is located in front of the rubber segment in the rotation direction of the roller.

15. The brush roll of claim 1, wherein: the first cleaning strips are bristle strips, and the height of the first cleaning strips is greater than the height of the second cleaning strips; or the second cleaning strips are bristle strips, and the height of the second cleaning strips is greater than the height of the first cleaning strips.

16. The brush roll of claim 1, wherein: at least a portion of the first cleaning strips and at least a portion of the second cleaning strips are located on a set of equidistant curves, and the distance between the equidistant curves is 3-25 mm.

17. A domestic cleaning apparatus characterised in that, including a brush housing, a brush roll chamber is formed in the brush housing, and a comb is arranged in the brush roll chamber; and the brush roll of any one of claims 1-16, which is rotatably arranged in the brush roll chamber.

18. The cleaning device of claim 17, wherein: a suction port is arranged in the brush housing and communicates with the brush roll chamber, the suction port is arranged opposite to an end of the second cleaning strips that extends to the middle of the roller.

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