Scraping tooth and cleaning robot
By designing sharp-angled arc or oblique scraping teeth and integrating a dust suction port structure, the problems of easily bent comb teeth and difficulty in scraping off small particles of debris in cleaning robots have been solved, thus improving the cleaning effect.
Patent Information
- Application Number
- CN202520435490.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The comb teeth of existing cleaning robots are prone to bending and breaking and cannot effectively scrape off small particles of debris.
The scraper teeth are designed with sharp angles, forming an arc or oblique structure, with the middle part higher than the end. The suction port and scraper components are integrated into the cleaning robot to optimize the force path and improve the scraping effect.
The scraper teeth have been improved in terms of their force-bearing performance, which enhances their ability to scrape off debris, especially small particles.
Smart Images

Figure CN223873888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent sweeper technology field especially relates to a scraping gear and cleaning robot. BACKGROUND
[0002] The cleaning robot is provided with a comb tooth for cleaning the rolling brush, and the comb tooth can scrape off the garbage on the surface of the rolling brush, but the comb tooth is arranged by a plurality of long convex teeth, the convex teeth are easy to be bent and broken under impact force, and there is a gap between the convex teeth, so that part of the small particle garbage cannot be scraped off. SUMMARY
[0003] The utility model discloses a scraping gear and cleaning robot, and the scraping gear has a sharp angle shape and is in an arc or inclined line structure, so that the stress can be improved and the scraping effect can be improved.
[0004] To achieve this purpose, the utility model adopts the following technical scheme:
[0005] A scraping gear, comprising a middle part and an end part, the middle part is higher than the end part, and the middle part and the end part are connected by an arc or an inclined line;
[0006] The cross section of the scraping gear has a sharp angle shape less than or equal to 90 degrees.
[0007] In some embodiments, the scraping gear is a continuous structure.
[0008] A cleaning robot, comprising a scraping gear, further comprising a cavity for assembling a rolling brush, and the inner wall surface of the cavity is provided with the scraping gear;
[0009] The scraping gear is integrally formed in the cavity.
[0010] In some embodiments, the cavity is provided with a dust suction port, and the middle part of the scraping gear is located above the dust suction port.
[0011] In some embodiments, further comprising a chassis, the chassis is provided with a suction port assembly, and a first component of the suction port assembly is provided with the cavity.
[0012] In some embodiments, the suction port assembly further comprises a scraping strip component, the scraping strip component is located behind the advancing direction of the rolling brush, and the scraping strip component can abut against the cleaned surface.
[0013] In some embodiments, the scraping strip component comprises a scraping brush strip and a first plate body, the first plate body is provided with a first groove body, and the top of the scraping brush strip is assembled in the first groove body.
[0014] In some embodiments, the scraping brush strip is a rubber strip, or the scraping brush strip is a brush strip.
[0015] In some embodiments, the first plate body is provided with a positioning convex strip, and the first component is provided with a positioning groove.
[0016] The scraping tooth has a sharp corner shape and an arc or inclined line structure, thereby improving stress and improving scraping effect. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A structure diagram of the scraping tooth of the utility model;
[0018] Figure 2 A front view of the scraping tooth of the utility model;
[0019] Figure 3 A side view of the scraping tooth of the utility model;
[0020] Figure 4 A local enlarged view of A of Figure 3
[0021] Figure 5 A structure diagram of the cleaning robot of the utility model;
[0022] Figure 6 A sectional view of the suction port assembly of the utility model;
[0023] Figure 7 An exploded view of the scraping strip component of the utility model;
[0024] Figure 8 An exploded view of the suction port assembly of the utility model;
[0025] Wherein: 100 - suction port assembly; 1 - rolling brush; 2 - first member; 20 - cavity; 24 - scraping tooth; 241 - middle part; 242 - end part; 26 - dust suction port; 27 - positioning groove; 6 - scraping strip component; 61 - scraping strip; 62 - first plate body; 621 - first groove body; 622 - positioning convex strip; 200 - base plate. DETAILED DESCRIPTION
[0026] The utility model will be further explained in detail in combination with the drawings.
[0027] Reference Figures 1 to 4 A scraping tooth 24 can be in contact with the surface of the rolling brush 1 and is used for scraping off garbage on the surface of the rolling brush 1.
[0028] The scraping tooth 24 comprises a middle part 241 and an end part 242, the middle part 241 is higher than the end part 242, and the middle part 241 and the end part 242 are connected in transition by an arc or an inclined line; of course, the middle part 241 and the end part 242 can both be arc or inclined line structures; therefore, the scraping tooth 24 is roughly in the shape of the middle part 241 being higher and the two end parts 242 being lower.
[0029] The arc or inclined line structure is beneficial to improve the stress of the scraping tooth 24, so that the scraping tooth 24 is in contact with the surface of the rolling brush 1 at a certain angle, and part of the stress is dispersed.
[0030] The cross section of the scraping tooth 24 is in the shape of an acute angle less than or equal to 90 degrees, that is, θ is less than or equal to 90 degrees; the acute angle of the scraping tooth 24 is directed to the rolling brush 1 and in contact with the surface of the rolling brush 1, so that the garbage attached to the surface of the rolling brush 1 is scraped off, the rolling brush 1 is cleaned, and the scraping effect is improved.
[0031] The scraping tooth 24 is a continuous structure, and can also be a discontinuous structure, that is, composed of multiple segments. The continuous extension structure can scrape off the garbage, and the cleaning effect of the rolling brush 1 is better.
[0032] Reference Figure 5 With Figure 6 A cleaning robot comprises the scraping tooth 24, and further comprises a cavity 20 for assembling the rolling brush 1, the inner wall surface of the cavity 20 is provided with the scraping tooth 24; the scraping tooth 24 is arranged in the axial direction of the cavity 20, the scraping tooth 24 is located behind the advancing direction A of the rolling brush 1, and the acute angle of the scraping tooth 24 is in contact with the surface of the rolling brush 1.
[0033] The scraping tooth 24 can be integrally formed on the cavity 20, so that the structure is simplified. Of course, the scraping tooth 24 can also be manufactured separately and then assembled on the cavity 20.
[0034] The cavity 20 is provided with a dust suction port 26, the dust suction port 26 is located behind the advancing direction A of the rolling brush 1, and the middle part 241 of the scraping tooth 24 is located above the dust suction port 26, so that the garbage can be gathered to a certain extent in the direction of the dust suction port 26 under the guidance of the scraping tooth 24, and the garbage is more smoothly sucked into the dust suction port 26.
[0035] The cleaning robot further comprises a chassis 200, the chassis 200 is provided with a suction port assembly 100, and the first member 2 of the suction port assembly 100 is provided with the cavity 20. The cavity 20 can be directly formed on the chassis 200 or the first member 2 of the suction port assembly 100; of course, the cavity 20 is arranged on the suction port assembly 100, which is beneficial to modular manufacturing and assembly.
[0036] The chassis 200 is assembled with a walking system, the walking system comprises wheels and steering wheels, and the wheels and the steering wheels are driven by corresponding motors, so as to drive the cleaning robot to walk along the advancing direction A, so as to realize automatic and intelligent cleaning.
[0037] The rolling brush 11 is rotatably arranged in the cavity 20 of the first member 2, and the rolling brush 1 is rotated along the B direction and cooperates with the advancing direction A.
[0038] The dust suction port 26 is located behind the advancing direction A of the roller brush 11, and the scraping teeth 24 are located between the roller brush 1 and the dust suction port 26; the dust suction port 26 is connected with a dust suction system, and the dust suction system is provided with a fan, a dust collecting box and other components.
[0039] With reference to Figures 6 to 8 The suction port assembly 100 further comprises a scraping strip component 6, which is located behind the advancing direction A of the roller brush 1 and can abut against the cleaned surface, block the garbage and promote the garbage to be sucked into the dust suction port 26, thereby improving the cleaning effect. Of course, the scraping strip component 6 also has a certain cleaning effect on the cleaned surface.
[0040] The scraping strip component 6 comprises a scraping brush strip 61 and a first plate body 62, and the first plate body 62 is provided with a first groove body 621, and the top of the scraping brush strip 61 is assembled in the first groove body 621. The top of the scraping brush strip 61 is embedded or inserted in the first groove body 621, and can also be fixed by glue or buckles and the like.
[0041] Optionally, the scraping brush strip 61 is a rubber strip, i.e. a strip-shaped or sheet-shaped structure made of rubber or soft plastic and the like.
[0042] Optionally, the scraping brush strip 61 is a bristle strip, i.e. a bristle structure made of nylon and the like.
[0043] With reference to Figure 7 And Figure 8 The first plate body 62 is provided with a positioning convex strip 622, and the first component 2 is provided with a positioning groove 27. The positioning convex strip 622 cooperates with the positioning groove 27 to improve the assembly precision.
[0044] The first plate body 62 can be connected to the bottom of the first component 2 by screws and the like fasteners.
[0045] The above only discloses some embodiments of the present application. For those skilled in the art, without departing from the creative concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.
Claims
1. A shaving, characterized in that The scraping tooth (24) comprises a middle part (241) and an end part (242), the middle part (241) is higher than the end part (242), and the middle part (241) and the end part (242) are connected in an arc or inclined line transition; The cross section of the scraping tooth (24) has an acute angle shape less than or equal to 90 degrees.
2. The shaving insert of claim 1 wherein, The scraping tooth (24) is a continuous structure.
3. A cleaning robot, characterized in that, The scraping tooth (24) of claim 1 further comprises a cavity (20) for assembling the rolling brush (1), the inner wall surface of the cavity (20) is provided with the scraping tooth (24). The scraping tooth (24) is integrally formed on the cavity (20).
4. The cleaning robot according to claim 3, wherein The cavity (20) is provided with a dust suction port (26), and the middle part (241) of the scraping tooth (24) is located above the dust suction port (26).
5. The cleaning robot according to claim 4, wherein, Further comprising a bottom disc (200), the bottom disc (200) is provided with a suction port assembly (100), and the first member (2) of the suction port assembly (100) is provided with the cavity (20).
6. The cleaning robot according to claim 5, wherein, Further comprising a scraping strip component (6), the scraping strip component (6) is located behind the advancing direction (A) of the rolling brush (1), and the scraping strip component (6) can be in contact with the cleaned surface.
7. The cleaning robot according to claim 6, wherein The scraping strip component (6) comprises a scraping brush strip (61) and a first plate body (62), the first plate body (62) is provided with a first groove body (621), and the top of the scraping brush strip (61) is assembled in the first groove body (621).
8. The cleaning robot according to claim 7, wherein, The scraping brush strip (61) is a rubber strip. Or the scraping brush strip (61) is a brush strip.
9. The cleaning robot according to claim 7, wherein, The first plate body (62) is provided with a positioning convex strip (622), and the first member (2) is provided with a positioning groove (27).