Rolling brush assembly of cleaning robot

Abstract

The utility model belongs to the technical field of cleaning robots, and particularly relates to a cleaning robot rolling brush assembly which comprises a mounting frame, an adapter seat, a left mounting plate, a right mounting plate, two rolling brushes and two rolling brush driving motors, and the two rolling brushes are rotationally arranged between the left mounting plate and the right mounting plate respectively and located on the inner side of the mounting frame. The two rolling brushes are arranged in parallel in the front-back direction and are the same in diameter, the distance between the axial center lines of the two rolling brushes is 0.5-2 mm smaller than the diameter of the single rolling brush, and the two rolling brush driving motors are used for driving the rolling brushes to rotate respectively. According to the utility model, the two rolling brush driving motors can drive the two rolling brushes of which the peripheral brush surfaces are partially intersected to generate differential rotation or reverse rotation, and the two rolling brushes can mutually scrape and clean sundries, so that the self-cleaning function of the rolling brushes is realized, the rolling brushes can be prevented from being frequently disassembled for cleaning or replacing, and the working efficiency is improved. And the longest single cleaning time is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cleaning robot, concretely is a kind of cleaning robot roll brush subassembly. BACKGROUND

[0002] The roll brush installed on the roll brush subassembly provided on the chassis of existing cleaning robot is more likely to attach hair and other sundries, usually needs to be frequently disassembled to clean or replace, to avoid affecting cleaning effect, single cleaning time is shorter, and more time is spent on maintenance. CONTENT OF UTILITY MODEL

[0003] In view of above problem, the utility model aims at providing a kind of cleaning robot roll brush subassembly.

[0004] The utility model aims at realizing by the following technical scheme:

[0005] A kind of cleaning robot roll brush subassembly, including installation frame, adapter seat, left mounting plate, right mounting plate, two roll brushes, two roll brush drive motors;

[0006] The bottom, left side and right side of the installation frame form an opening respectively, the adapter seat is installed on the top of the installation frame, the left mounting plate is installed on the left opening of the installation frame, the right mounting plate is installed on the right opening of the installation frame, two roll brushes are rotatably arranged between the left mounting plate and the right mounting plate and located inside the installation frame, two roll brushes are arranged in parallel along the front-back direction, and the diameters of the two roll brushes are the same, the distance between the axial center lines of the two roll brushes is 0.5-2mm smaller than the diameter of a single roll brush, the shell of one of the roll brush drive motors is installed on the left mounting plate, one of the roll brush drive motors is used to drive one of the roll brushes to rotate, the shell of the other roll brush drive motor is installed on the right mounting plate, and the other roll brush drive motor is used to drive the other roll brush to rotate.

[0007] Each roll brush has a hollow shaft portion and a brush surface, and the brush surface of each roll brush is arranged on the outer periphery of the hollow shaft portion of the roll brush;Each roll brush is arranged between the left mounting plate and the right mounting plate by one driving shaft and one roll brush end cover arranged in cooperation respectively, each driving shaft is rotatably arranged on the left mounting plate or the right mounting plate, each driving shaft is connected to one end of the hollow shaft portion of the corresponding roll brush by spline, and each roll brush end cover is installed on the right mounting plate or the left mounting plate respectively, the center of each roll brush end cover is provided with a support pin portion, and the support pin portion of each roll brush end cover is rotatably connected to the other end of the hollow shaft portion of the corresponding roll brush.

[0008] A transition step part is formed between the center of each of the brush end caps and the support pin part of the brush end cap, a brush end cap positioning opening is formed on the right mounting plate and the left mounting plate at the position corresponding to the brush end cap, the brush end cap positioning opening of the right mounting plate and the brush end cap positioning opening of the left mounting plate are matched with the transition step part of the corresponding brush end cap, three fixed clamping claws are arranged on the right mounting plate and the left mounting plate at the outer side of the corresponding brush end cap, two clamping claw through grooves are formed on the outer circumferential surface of the brush end cap, a notch part is further arranged on the outer circumferential surface of the brush end cap, the positions of the two clamping claw through grooves and the notch part of the brush end cap are respectively matched with the positions of the three fixed clamping claws on the right mounting plate or the left mounting plate, a connecting lug is further arranged on the outer circumferential surface of the brush end cap, a knob plunger is arranged on the connecting lug of the brush end cap, and a positioning hole B is formed on the right mounting plate and the left mounting plate for matching with the knob plunger.

[0009] A driven pulley is arranged on each of the driving shafts, a driving pulley is arranged on the driving shaft of each of the brush driving motors, and each of the driving pulleys is connected with the adjacent driven pulley through a synchronous belt.

[0010] The brush driving motor, the driven pulley, the driving pulley and the synchronous belt are arranged outside the whole formed by the mounting frame, the left mounting plate and the right mounting plate, and a tension pulley is arranged on the left mounting plate and the right mounting plate, and each of the tension pulleys is used for tensioning the adjacent synchronous belt.

[0011] The cleaning robot brush assembly further comprises a dust box, the dust box is arranged at the rear side of one of the brushes, the front side of the dust box is provided with an opening, a comb is arranged on the front side opening of the dust box, the comb is used for directly scraping the sundries on the rear side of the brush, and the dust box is used for accommodating the sundries scraped by the comb.

[0012] A positioning hole A is formed on the right end surface of the dust box, a positioning lug is arranged on the left end surface of the dust box, a positioning protrusion is arranged on the inner surface of the right mounting plate at the position corresponding to the positioning hole A of the dust box, the shape of the positioning protrusion is matched with the shape of the positioning hole A, a dust box taking and placing opening is formed on the left mounting plate, a dust box end cap is arranged on the left mounting plate, the dust box end cap is used for closing the dust box taking and placing opening of the left mounting plate, a positioning slot is formed on the dust box end cap, and the shape of the positioning lug is matched with the shape of the positioning slot.

[0013] The shape of the positioning slot is rectangular.

[0014] The dust box end cover is connected with the left mounting plate through several quick release knobs.

[0015] The front side and the rear side of the mounting frame are respectively provided with guide wheels.

[0016] The utility model discloses the advantages and positive effects are:

[0017] 1. The utility model discloses a mounting frame, left mounting plate, right mounting plate, two roll brushes, two roll brush drive motors cooperate and set up, can make two roll brush drive motors drive two outer circumferences brush face part intersection's roll brush between differential rotation or reverse rotation, and two roll brushes can scrape off and clean each other's sundries, thereby realize the self -cleaning effect of roll brush, can avoid frequently needing to remove roll brush and clean or replace, improve single longest cleaning time.

[0018] 2. The utility model discloses roll brush and dust box dismounting conveniently, also can improve the replacement cleaning efficiency, save maintenance time. DRAWINGS

[0019] Figure 1 It is the whole three -dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram after the utility model's hidden mounting frame;

[0021] Figure 3 It is the setting structure schematic diagram of left mounting plate, right mounting plate and roll brush of the utility model;

[0022] Figure 4 It is the setting structure schematic diagram of left mounting plate, right mounting plate and roll brush end cover of the utility model;

[0023] Figure 5 It is Figure 2 The enlarged view of A of

[0024] In the drawing: 1 is mounting frame, 2 is adapter, 3 is left mounting plate, 4 is right mounting plate, 401 is positioning protrusion, 5 is roll brush, 501 is hollow shaft center, 502 is brush face, 6 is roll brush drive motor, 7 is driving shaft, 8 is roll brush end cover, 801 is pawl through recess, 802 is connecting lug, 803 is support pin part, 9 is guide wheel, 10 is fixed pawl, 11 is knob plunger, 12 is driven pulley, 13 is driving pulley, 14 is synchronous belt, 15 is tension pulley, 16 is dust box, 1601 is positioning hole A, 17 is comb tooth, 18 is positioning lug, 19 is dust box end cover, 1901 is positioning notch, 20 is quick release knob. DETAILED DESCRIPTION

[0025] The utility model is further described below in combination with the drawings. Figures 1-5 The utility model is further described below in combination with the drawings.

[0026] A cleaning robot roller brush assembly, as shown in the embodiment, comprises a mounting frame 1, an adapter 2, a left mounting plate 3, a right mounting plate 4, two roller brushes 5 and two roller brush drive motors 6. Figures 1-5 The bottom, left side and right side of the mounting frame 1 are respectively formed with openings, the adapter 2 is mounted on the top of the mounting frame 1, the left mounting plate 3 is mounted on the left side opening of the mounting frame 1, and the right mounting plate 4 is mounted on the right side opening of the mounting frame 1. In the embodiment, the adapter 2 is used to be connected with a lifting electric cylinder on the body of the cleaning robot, and the connection mode adopts the prior art. When the electric cylinder operates, the roller brush assembly as a whole is lifted to facilitate the use or storage of the roller brush assembly.

[0027] The two roller brushes 5 are respectively arranged in rotation between the left mounting plate 3 and the right mounting plate 4 and inside the mounting frame 1. The two roller brushes 5 are arranged in parallel along the front-rear direction and have the same diameter, and the distance between the axial center lines of the two roller brushes 5 is smaller than the diameter of a single roller brush 5 by 0.5-2 mm, so that the two roller brushes 5 can be self-cleaning and can also avoid excessive interference. In the embodiment, the distance between the axial center lines of the two roller brushes 5 is smaller than the diameter of a single roller brush 5 by 1 mm. The housing of one of the roller brush drive motors 6 is mounted on the left mounting plate 3, and the roller brush drive motor 6 is used to drive one of the roller brushes 5 to rotate. The housing of the other roller brush drive motor 6 is mounted on the right mounting plate 4, and the roller brush drive motor 6 is used to drive the other roller brush 5 to rotate.

[0028] The two roller brushes 5 are respectively arranged in rotation between the left mounting plate 3 and the right mounting plate 4 and inside the mounting frame 1. The two roller brushes 5 are arranged in parallel along the front-rear direction and have the same diameter, and the distance between the axial center lines of the two roller brushes 5 is smaller than the diameter of a single roller brush 5 by 0.5-2 mm, so that the two roller brushes 5 can be self-cleaning and can also avoid excessive interference. In the embodiment, the distance between the axial center lines of the two roller brushes 5 is smaller than the diameter of a single roller brush 5 by 1 mm. The housing of one of the roller brush drive motors 6 is mounted on the left mounting plate 3, and the roller brush drive motor 6 is used to drive one of the roller brushes 5 to rotate. The housing of the other roller brush drive motor 6 is mounted on the right mounting plate 4, and the roller brush drive motor 6 is used to drive the other roller brush 5 to rotate.

[0029] Specifically, each of the roll brushes 5 has a hollow shaft portion 501 and a brush surface 502, and the brush surface 502 of each of the roll brushes 5 is arranged on the outer periphery of the hollow shaft portion 501 of the roll brush 5. In the embodiment, the outer contour diameter of the brush surface 502 of the roll brush 5, that is, the diameter of the roll brush 5 as a whole, is much larger than the diameter of the hollow shaft portion 501 of the roll brush 5, that is, the thickness of the brush surface of the roll brush 5 is much greater than 2 mm, and the above arrangement is the prior art. In the embodiment, the outer contour portions of the brush surfaces 502 of the outer peripheries of the two roll brushes 5 intersect, and the hollow shaft portions 501 of the two roll brushes 5 do not contact each other. Each of the roll brushes 5 is arranged between the left mounting plate 3 and the right mounting plate 4 by a driving shaft 7 and a roll brush end cover 8 arranged in cooperation, each of the driving shafts 7 is rotationally arranged on the left mounting plate 3 or the right mounting plate 4, each of the driving shafts 7 is connected to one end of the hollow shaft portion 501 of the corresponding roll brush 5 through a spline, and the center of each of the roll brush end covers 8 is provided with a support pin portion 803, and each of the roll brush end covers 8 is rotationally connected to the other end of the hollow shaft portion 501 of the corresponding roll brush 5.

[0030] In the embodiment, each of the driving shafts 7 is provided with a driven pulley 12, each of the roll brush driving motors 6 is provided with a driving pulley 13, and each of the driving pulleys 13 is connected to the adjacent driven pulley 12 through a synchronous belt 14. The roll brush driving motor 6, the driven pulley 12, the driving pulley 13, and the synchronous belt 14 are located outside the whole formed by the mounting frame 1, the left mounting plate 3, and the right mounting plate 4, and each of the left mounting plate 3 and the right mounting plate 4 is provided with a tension pulley 15 for tensioning the adjacent synchronous belt 14. In the embodiment, the roll brush driving motor 6 is a waterproof motor available on the market, and the action of the roll brush driving motor 6 is controlled by the controller of the cleaning robot. The roll brush driving motor 6 drives the driving shaft 7 to rotate through the synchronous belt structure composed of the driving pulley 13, the synchronous belt 14, and the driven pulley 12, thereby driving the roll brush 5 to roll to clean the ground, and the support pin portion 803 of the roll brush end cover 8 supports the roll brush 5. In the embodiment, one driving shaft 7 and one roll brush end cover 8 are arranged on the left mounting plate 3, and one roll brush end cover 8 and one driving shaft 7 are arranged on the right mounting plate 4 in a corresponding manner, and the two driving shafts 7 are arranged on the left mounting plate 3 and the right mounting plate 4, respectively, so that the whole structure is more compact, and the synchronous belt structure is easy to arrange. The roll brush driving motor 6 is located outside the whole formed by the mounting frame 1, the left mounting plate 3, and the right mounting plate 4, which can effectively ensure the heat dissipation of the roll brush driving motor 6. The left mounting plate 3 and the right mounting plate 4 can also be provided with a protective cover for covering the synchronous belt structure, which can effectively prevent water and dust from entering the synchronous belt structure.

[0031] Specifically, in this embodiment, a transition step portion is formed between the center of each roller brush end cover 8 and the support pin portion 803 of the roller brush end cover 8, and roller brush end cover positioning openings are respectively opened on the right mounting plate 4 and the left mounting plate 3 and at the setting position of the corresponding roller brush end cover 8. The roller brush end cover positioning opening of the right mounting plate 4 and the roller brush end cover positioning opening of the left mounting plate 3 respectively fit into the transition step portion of the corresponding roller brush end cover 8, and three fixing claws 10 are respectively provided on the right mounting plate 4 and the left mounting plate 3 and on the outer side of the corresponding roller brush end cover 8. Two claws are provided on the outer circumference of the roller brush end cover 8 through grooves 801, and a notch portion (that is, Figure 4 The roller brush end cover 8 has a flat surface on the lower side thereof. The two claws of the roller brush end cover 8 correspond to the three fixed claws 10 on the corresponding right mounting plate 4 or left mounting plate 3 through the positions of the grooves 801 and the notch. A connecting ear 802 is protruding from the outer periphery of the roller brush end cover 8. A knob plunger 11 is provided on the connecting ear 802 of the roller brush end cover 8. Positioning holes B for use with the knob plunger 11 are respectively provided on the right mounting plate 4 and the left mounting plate 3. In this embodiment, the knob plunger 11 is a commercially available product. The knob plunger 11 has an external fixing base, a rotating end, and a telescopic end. The external fixing base of the knob plunger 11 is threadedly connected to the connecting ear 802 of the roller brush end cover 8. Rotating the rotating end of the knob plunger 11 causes the telescopic end of the knob plunger 11 to extend or retract. When installing the roller brush end cover 8, align the transition step portion of the roller brush end cover 8 with the roller brush end cover positioning port of the corresponding right mounting plate 4 or left mounting plate 3, so that the two claws pass through the groove 801 and the notch portion to correspond to the three fixed claws 10 respectively. At this time, the telescopic end of the knob plunger 11 is in a retracted state; then axially insert the transition step portion of the roller brush end cover 8 into the roller brush end cover positioning port, and at this time, the two claws pass through the groove 801 and the notch portion to pass through the corresponding fixed claws 10 respectively; rotate the roller brush end cover 8 so that the three fixed claws 10 can respectively press against the roller brush end cover 8 from the axial direction of the roller brush end cover 8, align the knob plunger 11 with the matching positioning hole B, and rotate the rotating end of the knob plunger 11 so that the telescopic end of the knob plunger 11 extends out and is stuck in the positioning hole B to complete the positioning installation of the roller brush end cover 8; when the roller brush end cover 8 needs to be removed, the reverse operation can be performed, which is convenient for disassembly and assembly.

[0032] Specifically, in this embodiment, two guide wheels 9 are respectively provided on the front side and the rear side of the mounting frame 1, with a total of four guide wheels 9, which facilitate the overall movement of the roller brush assembly on the ground with the cleaning robot.

[0033] Specifically, the cleaning robot roller brush assembly in the embodiment further comprises a dust box 16 arranged at the rear side of one of the roller brushes 5 at the rear side. The front side of the dust box 16 is provided with an opening, and the front side opening of the dust box 16 is provided with a comb 17 mounted by screws. The comb 17 is used to directly scrape the debris on the rear roller brush 5, and the dust box 16 is used to store the debris scraped by the comb 17. In the embodiment, the structure of the comb 17 itself is arranged according to the prior art, which can scrape the hair and cloth strips on the adjacent roller brush 5, further avoiding frequent replacement of the roller brush 5, and only needs to be cleaned regularly.

[0034] Specifically, the right end face of the dust box 16 is provided with a positioning hole A 1601, the left end face of the dust box 16 is provided with a positioning protrusion 602, the inner side of the right mounting plate 4 is provided with a positioning protrusion 401 corresponding to the positioning hole A 1601 of the dust box 16, the shape of the positioning protrusion 401 is matched with the shape of the positioning hole A 1601, the left mounting plate 3 is provided with a dust box taking and placing opening, and the left mounting plate 3 is provided with a dust box end cover 19. The dust box end cover 19 is used to close the dust box taking and placing opening of the left mounting plate 3, and the dust box end cover 19 is provided with a positioning slot 1901. The shape of the positioning protrusion 602 is matched with the shape of the positioning slot 1901. The shape of the positioning slot 1901 is rectangular to prevent the dust box from rotating. The dust box end cover 19 is connected with the left mounting plate 3 through two quick release knobs 20. In the embodiment, the quick release knobs 20 are commercially available products, and each of the quick release knobs 20 is divided into a knob end and a pin end. The knob end of the quick release knob 20 is fixed with the dust box end cover 19, and the pin end of the quick release knob 20 is fixed with the corresponding left mounting plate 3 or right mounting plate 4. By rotating the knob end of the quick release knob 20, the knob end and the pin end of the quick release knob 20 can be separated or connected, so as to realize quick disassembly and assembly of the dust box end cover 19. During normal use, the positioning protrusion 401 on the right mounting plate 4 is inserted into the positioning hole A 1601, and the positioning protrusion 602 is inserted into the positioning slot 1901 of the dust box end cover 19, so as to support and fix the dust box 16. After the dust box end cover 19 is removed, the dust box 16 can be directly taken out from the dust box taking and placing opening of the left mounting plate 3, so as to realize convenient disassembly and assembly.

[0035] Working principle:

[0036] During use, the two roller brush drive motors 6 drive the corresponding roller brushes 5 to rotate, so as to realize the effect of cleaning the ground. By driving the two roller brushes 5 with the outer periphery of the brush surface part intersecting each other to rotate at different speeds or in opposite directions, the two roller brushes 5 can scrape and clean the debris from each other, so as to realize the self-cleaning effect of the roller brushes 5.

Claims

1. A cleaning robot roller brush assembly, characterized by: It comprises a mounting frame (1), an adapter seat (2), a left mounting plate (3), a right mounting plate (4), two roller brushes (5), and two roller brush drive motors (6); The bottom, left side and right side of the mounting frame (1) are respectively formed with openings, the adapter (2) is mounted on the top of the mounting frame (1), the left mounting plate (3) is mounted on the left opening of the mounting frame (1), and the right mounting plate (4) is mounted on the right opening of the mounting frame (1), the two roller brushes (5) are respectively rotatably arranged between the left mounting plate (3) and the right mounting plate (4) and are located inside the mounting frame (1), the two roller brushes (5) are arranged parallel to each other in the front-to-back direction and have a diameter of The roller brushes (5) are of the same size, and the spacing between the axial center lines of the two roller brushes (5) is 0.5-2 mm smaller than the diameter of a single roller brush (5). The housing of one of the roller brush drive motors (6) is mounted on the left mounting plate (3), and one of the roller brush drive motors (6) is used to drive one of the roller brushes (5) to rotate. The housing of the other roller brush drive motor (6) is mounted on the right mounting plate (4), and the other roller brush drive motor (6) is used to drive the other roller brush (5) to rotate.

2. The cleaning robot roller brush assembly according to claim 1, characterized in that: Each of the roller brushes (5) has a hollow axis portion (501) and a brush surface (502), and the brush surface (502) of each roller brush (5) is arranged on the outer periphery of the hollow axis portion (501) of the roller brush (5); each of the roller brushes (5) is arranged between the left mounting plate (3) and the right mounting plate (4) through a matching active drive shaft (7) and a roller brush end cover (8), and each of the active drive shafts (7) is rotatably arranged on the left mounting plate (3) or the right mounting plate (4). Each of the active drive shafts (7) is connected to one end of the hollow shaft portion (501) of the corresponding roller brush (5) through a spline, and each of the roller brush end covers (8) is mounted on the corresponding right mounting plate (4) or left mounting plate (3). A support pin portion (803) is protruding from the center of each roller brush end cover (8), and the support pin portion (803) of each roller brush end cover (8) is used for rotationally connecting to the other end of the hollow shaft portion (501) of the corresponding roller brush (5).

3. The cleaning robot roller brush assembly according to claim 2, characterized in that: A transition step portion is formed between the center of each roller brush end cover (8) and the support pin portion (803) of the roller brush end cover (8), and roller brush end cover positioning openings are respectively provided on the right mounting plate (4) and the left mounting plate (3) and at the corresponding locations of the roller brush end cover (8). The roller brush end cover positioning openings of the right mounting plate (4) and the roller brush end cover positioning openings of the left mounting plate (3) respectively match the transition step portions of the corresponding roller brush end cover (8), and three fixing claws (10) are respectively provided on the right mounting plate (4) and the left mounting plate (3) and at the outer sides of the corresponding roller brush end cover (8). The outer peripheral surface of the roller brush end cover (8) is provided with a roller brush end cover positioning opening. Two claws pass through the groove (801), and a notch portion is further provided on the outer peripheral surface of the roller brush end cover (8). The setting positions of the two claws of the roller brush end cover (8) passing through the groove (801) and the setting position of the notch portion respectively correspond to the setting positions of the three fixed claws (10) on the corresponding right mounting plate (4) or the left mounting plate (3). A connecting ear (802) is further protruded from the outer periphery of the roller brush end cover (8), and a knob plunger (11) is provided on the connecting ear (802) of the roller brush end cover (8). Positioning holes B for use with the knob plunger (11) are respectively opened on the right mounting plate (4) and the left mounting plate (3).

4. The cleaning robot roller brush assembly according to claim 2, characterized in that: A driven pulley (12) is mounted on each active drive shaft (7), a driving pulley (13) is mounted on the drive shaft of each roller brush drive motor (6), and each driving pulley (13) is connected to an adjacent driven pulley (12) via a synchronous belt (14).

5. The cleaning robot roller brush assembly according to claim 4, characterized in that: Each of the roller brush drive motors (6), driven pulleys (12), driving pulleys (13), and synchronous belts (14) are located outside the overall structure formed by the mounting frame (1), the left mounting plate (3), and the right mounting plate (4). A tensioning wheel (15) is provided on the left mounting plate (3) and the right mounting plate (4). Each of the tensioning wheels (15) is used to tension the adjacent synchronous belts (14).

6. The cleaning robot roller brush assembly according to claim 1, characterized in that: The utility model further comprises a dust box (16), wherein the dust box (16) is arranged on the rear side of one of the roller brushes (5) located at the rear side, the front side of the dust box (16) has an opening, and the front side opening of the dust box (16) is installed with comb teeth (17), and the comb teeth (17) are used to directly scrape off debris on one of the roller brushes (5) located at the rear side, and the dust box (16) is used to store the debris scraped off by the comb teeth (17).

7. The cleaning robot roller brush assembly according to claim 6, characterized in that: The right end surface of the dust box (16) is provided with a positioning hole A (1601), the left end surface of the dust box (16) is provided with a positioning protrusion (602), the inner side surface of the right mounting plate (4) is provided with a positioning protrusion (401) at a position corresponding to the positioning hole A (1601) of the dust box (16), the shape of the positioning protrusion (401) is matched with the shape of the positioning hole A (1601), the left mounting plate (3) is provided with a dust box taking-in opening, the left mounting plate (3) is provided with a dust box end cover (19), the dust box end cover (19) is used to close the dust box taking-in opening of the left mounting plate (3), the dust box end cover (19) is provided with a positioning notch (1901), the shape of the positioning protrusion (602) is matched with the shape of the positioning notch (1901).

8. The cleaning robot roller brush assembly according to claim 7, characterized in that: The positioning notch (1901) is in the shape of a rectangle.

9. The cleaning robot roller brush assembly according to claim 7, characterized in that: The dust box end cover (19) is connected to the left mounting plate (3) via a plurality of quick-release knobs (20).

10. The cleaning robot roller brush assembly according to claim 1, characterized in that: Guide wheels (9) are respectively provided on the front side and the rear side of the installation frame (1).

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