Dust collector accessory with comb tooth part
By designing two rows of staggered comb teeth on the vacuum cleaner's roller brush, the problem of hair getting tangled is solved, achieving seamless cleaning protection and improving the vacuum cleaner's cleaning efficiency and user experience.
Patent Information
- Application Number
- CN202422624186.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing vacuum cleaner roller brushes are prone to getting tangled in hairy environments, leading to blind spots in cleaning and motor blockage, which affects the user experience.
It adopts a two-row staggered comb design, with the first and second comb teeth set out in a staggered manner to reduce the gap between single rows of comb teeth, forming staggered protection to prevent hair from getting tangled.
It effectively prevents bristle tangling and ensures that there are no blind spots in the axial direction of the entire roller brush, thereby improving cleaning effect and user experience.
Smart Images

Figure CN223759747U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleaning appliances, specifically to a vacuum cleaner accessory with comb teeth. Background Technology
[0002] As people's living standards improve, vacuum cleaners have become commonplace in households. To complement vacuum cleaners, the roller brush, as an accessory to cleaning appliances, plays an increasingly important role. Existing vacuum cleaner roller brushes use comb-like teeth. Because of the large gaps between these teeth, hair can easily become tangled on the brush body in environments with a lot of hair, making it difficult to clean and even causing the brush motor to clog, affecting the user experience. A similar technology can be found in Chinese Invention Publication Patent CN104146658A.
[0003] Therefore, it is necessary to provide a vacuum cleaner accessory with comb teeth to overcome the above-mentioned defects. Utility Model Content
[0004] The purpose of this utility model is to provide a vacuum cleaner accessory with comb teeth that can effectively solve the above-mentioned technical problems. The comb teeth are arranged in two rows, and the entire roller brush body can be protected by the comb teeth in the axial direction. There are no blind spots in cleaning caused by the gaps between the single row of comb teeth, which can effectively prevent hair from getting tangled.
[0005] To achieve the purpose of this utility model, the following technical solution is adopted: a vacuum cleaner accessory with comb teeth, comprising a floor brush base that can reciprocate on a horizontal plane and has a roller brush chamber and a roller brush motor chamber, a roller brush body located in the roller brush chamber and rotatable about a horizontal axis, a first comb tooth portion disposed above the roller brush chamber, a roller brush cover plate connected to the floor brush base and jointly defining the upper part of the roller brush chamber, and a second comb tooth portion located inside the roller brush cover plate and adjacent to and staggered with the first comb tooth portion, so as to reduce the cleaning blind spots caused by the gaps between the single row of comb teeth.
[0006] Based on the above technical solution, the following supplementary technical solutions are further included:
[0007] The first comb portion includes a plurality of spaced first comb teeth and a plurality of first tooth gaps located between two adjacent first comb teeth, wherein the first comb teeth have a first comb tooth outer surface facing the center of the roller brush chamber.
[0008] The second comb tooth portion includes a plurality of second comb teeth spaced apart and a plurality of second tooth gaps located between two adjacent second comb teeth. The second comb teeth include a second comb tooth outer surface that is offset from the outer surface of the first comb teeth, a second comb tooth bottom end face located at the bottom of the outer surface of the second comb teeth, and second comb tooth side surfaces located on both sides of the outer surface of the second comb teeth. The first comb teeth and the second comb teeth are spaced apart along a direction parallel to the horizontal axis.
[0009] It also includes a roller brush chamber outlet located inside the roller brush chamber, wherein the first comb teeth are divided into two groups by the roller brush chamber outlet, and the second comb teeth are located above the roller brush chamber outlet and arranged in a group.
[0010] It also includes a wheel axle portion disposed at the rear end of the brush base, and a roller groove located between the wheel axle portion and the roller brush chamber, wherein the wheel axle portion includes a wheel axle for mounting a rotating wheel, and wherein the cross-sectional area of the first comb tooth along the axial direction of the roller brush body is greater than the cross-sectional area of the second comb tooth along the axial direction of the roller brush body.
[0011] The roller brush cover plate includes an arc-shaped portion, a roller brush cavity disposed inside the arc-shaped portion and defining the upper part of the roller brush chamber, and a fixed end located at the bottom of the arc-shaped portion and connected to the floor brush base.
[0012] The outer surface of the first comb tooth is offset from the outer surface of the adjacent second comb tooth, and the two have an overlap area of more than 0.1 mm in the width direction.
[0013] The width of the outer surface of the first comb tooth and the outer surface of the adjacent second comb tooth are both in the range of 1-3 mm.
[0014] The bottom surface of the second comb tooth is a barbed surface, wherein the outer surface of the first comb tooth is parallel to the outer surface of the adjacent second comb tooth.
[0015] The bottom end face of the second comb tooth overlaps at least partially with the outer surface of the second comb tooth, and the floor brush base and the roller brush cover are independent parts.
[0016] Compared with the prior art, the present invention has the following advantages: the two rows of staggered comb teeth can protect the entire axial direction of the roller brush body, and there is no blind spot in cleaning caused by the gaps between the single row of comb teeth, which can effectively prevent hair tangling. Attached Figure Description
[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0018] Figure 1 This is a partial perspective view of the present invention from a first-view perspective.
[0019] Figure 2 This is a partial perspective view of the present invention from a second perspective.
[0020] Figure 3 This is a partial perspective view of the present invention from a third-person perspective.
[0021] Figure 4 for Figure 3 Enlarged view of part A in the middle.
[0022] Figure 5 This is a perspective view of the base of the floor brush in this utility model.
[0023] Figure 6 This is a perspective view of the roller brush cover plate in this utility model.
[0024] Figure 7 This is a cross-sectional view of the present invention.
[0025] Figure 8 This is a perspective view of the present invention. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0027] In the description of this utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. When a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.
[0028] like Figures 1 to 8As shown, this utility model provides an embodiment of a vacuum cleaner accessory with comb teeth, which includes a floor brush base 1000 that can reciprocate on a horizontal plane and has a roller brush chamber 1200 and a roller brush motor chamber 1600; a roller brush body 3000 located inside the roller brush chamber 1200 and rotatable about a horizontal axis; a first comb tooth portion 1400 disposed above the roller brush chamber 1200; a roller brush cover plate 2000 connected to the top of the floor brush base 1000 and jointly defining the top of the roller brush chamber 1200; a second comb tooth portion 2240 located inside the roller brush cover plate 2000 and adjacent to and staggered with the first comb tooth portion 1400; a floor brush cover 4000 covering the floor brush base 1000 and allowing the roller brush cover plate 2000 to be partially exposed; and a floor brush connector 5000 with one end connected to the floor brush base 1000 and the other end connected to the vacuum cleaner connecting pipe. The floor brush connector 5000 is located upstream of the air inlet of the vacuum cleaner.
[0029] The first comb tooth portion 1400 includes a plurality of spaced first comb teeth 1420 and a plurality of first tooth gaps 1440 located between two adjacent first comb teeth 1420, wherein the first comb teeth 1420 have a first comb tooth outer surface 1422 facing the center of the roller brush chamber 1200.
[0030] The roller brush cover 2000 includes an arc-shaped portion 2200, a roller brush cavity 2220 disposed inside the arc-shaped portion 2200 and defining the area above the roller brush chamber 1200, and a fixed end 2260 located at the bottom of the arc-shaped portion 2200 and connected to the floor brush base 1000. The second comb tooth portion 2240 includes a plurality of spaced second comb teeth and a plurality of second tooth gaps 2248 located between adjacent second comb teeth, wherein the second comb teeth include a second comb tooth outer surface 2422 offset from the outer surface 1422 of the first comb teeth, a second comb tooth bottom end face 2244 located at the bottom of the second comb tooth outer surface 2422, and second comb tooth side surfaces 2246 disposed on both sides of the second comb tooth outer surface 2422. The outer surface 1422 of the first comb teeth and the adjacent outer surface 2422 of the second comb teeth are offset and have an overlap area greater than 0.1 mm in the width direction. The width of the outer surface 1422 of the first comb tooth and the outer surface 2422 of the adjacent second comb tooth are both within the range of 1-3 mm. The bottom end face 2244 of the second comb tooth is a barbed surface, wherein the outer surface 1422 of the first comb tooth and the outer surface 2422 of the adjacent second comb tooth are parallel to each other. The bottom end face 2244 of the second comb tooth at least partially overlaps with the outer surface 2422 of the second comb tooth. The cross-sectional area of the first comb tooth 1420 along the axial direction of the brush body 3000 is larger than the cross-sectional area of the second comb tooth 2242 along the axial direction of the brush body 3000.
[0031] This embodiment also includes a roller brush chamber outlet 1220 located within the roller brush chamber 1200, wherein the first comb teeth 1400 are divided into two groups by the roller brush chamber outlet 1220, and the second comb teeth 2240 are located above the roller brush chamber outlet 1220 and arranged in a group.
[0032] This embodiment also includes an axle portion 1800 disposed at the rear end of the brush base 1000, and a roller groove 1900 located between the axle portion 1800 and the roller brush chamber 1200. The axle portion 1800 includes an axle 1820 for mounting a rotating wheel. The axle 1820 is provided with a rotating wheel that can roll on a horizontal surface, while the roller groove 1900 is provided with a roller with a smaller diameter than the rotating wheel that can also roll on a horizontal surface.
[0033] During operation, as the roller brush rotates in the circumferential direction, it passes through multiple first comb teeth 1420 and multiple second comb teeth in sequence for cross-combing. In the horizontal axis direction, there are no blind spots in cleaning caused by the gaps between the single row of comb teeth, which can effectively prevent hair tangling.
[0034] The advantages of this invention are: the two rows of staggered comb teeth protect the entire roller brush, eliminating blind spots caused by gaps between the single rows of comb teeth and effectively preventing hair tangling.
[0035] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0036] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.
Claims
1. A dust cleaner attachment having a comb section, characterized in that The application relates to a ground brush base (1000) capable of reciprocating on a horizontal plane and provided with a rolling brush chamber (1200) and a rolling brush motor chamber (1600), a rolling brush body (3000) capable of rotating around a horizontal shaft and located in the rolling brush chamber (1200), a first comb section (1400) arranged above the rolling brush chamber (1200), a rolling brush cover plate (2000) connected above the ground brush base (1000) and jointly defining the rolling brush chamber (1200) above, and a second comb section (2240) located inside the rolling brush cover plate (2000) and adjacent to and staggered with the first comb section (1400), wherein the first comb section (1400) comprises a plurality of first combs (1420) arranged at intervals and a plurality of first comb gaps (1440) located between two adjacent first combs (1420), the first comb (1420) is provided with a first comb outer surface (1422) facing the center of the rolling brush chamber (1200), the second comb section (2240) comprises a plurality of second combs (2242) arranged at intervals and a plurality of second comb gaps (2248) located between two adjacent second combs (2242), the second comb (2242) comprises a second comb outer surface (2422) staggered with the first comb outer surface (1422), a second comb bottom end surface (2244) located at the bottom of the second comb outer surface (2422) and a second comb side surface (2246) arranged on both sides of the second comb outer surface (2422), and the first comb (1420) and the second comb (2242) are arranged at intervals along a direction parallel to the horizontal shaft.
2. The dust cup assembly of claim 1, wherein The application further comprises a rolling brush chamber outlet (1220) located in the rolling brush chamber (1200), the first comb section (1400) is divided into two groups by the rolling brush chamber outlet (1220), and the second comb section (2240) is located above the rolling brush chamber outlet (1220) and arranged in one group.
3. A dust cup assembly according to claim 1 or 2, wherein The application further comprises an axle section (1800) arranged at the rear end of the ground brush base (1000) and a rolling wheel groove (1900) located between the axle section (1800) and the rolling brush chamber (1200), the axle section (1800) comprises an axle (1820) for mounting a rotating wheel, and the sectional area of the first comb (1420) along the axial direction of the rolling brush body (3000) is larger than the sectional area of the second comb (2242) along the axial direction of the rolling brush body (3000).
4. The dust cup assembly of claim 3, wherein: The rolling brush cover plate (2000) comprises an arc section (2200), a rolling brush cavity (2220) arranged inside the arc section (2200) and defining the rolling brush chamber (1200) above, and a fixed end (2260) located at the bottom of the arc section (2200) and connected with the ground brush base (1000).
5. The dust cup assembly of claim 3, wherein: The first comb outer surface (1422) is staggered with the adjacent second comb outer surface (2422) and the two surfaces have an overlapping area of greater than 0.1 mm in the width direction.
6. The dust cup assembly of claim 4, wherein: The width of the first comb tooth outer surface (1422) and the width of the adjacent second comb tooth outer surface (2422) are both in the range of 1-3 mm.
7. The dust cup assembly of claim 3, wherein: The second comb tooth bottom end surface (2244) is a reverse hook surface, wherein the first comb tooth outer surface (1422) and the adjacent second comb tooth outer surface (2422) are parallel to each other.
8. The dust cup assembly of claim 3, wherein: The second comb tooth bottom end surface (2244) at least partially overlaps with the second comb tooth outer surface (2422), and the brush base (1000) and the roll brush cover plate (2000) are independent parts.
Citation Information
Patent Citations
Efficient floor brush
CN104146658A