WO2020107822A1

WO2020107822A1 - Roller brush capable of preventing trash from scattering and applicable to underwater cleaning robot

Info

Publication number: WO2020107822A1
Application number: PCT/CN2019/088056
Authority: WO
Inventors: 曹鑫; 李伟锦
Original assignee: 宁波普乐菲智能科技有限公司
Priority date: 2018-11-29
Filing date: 2019-05-23
Publication date: 2020-06-04
Also published as: CN109441156A

Abstract

A roller brush capable of preventing trash from scattering and applicable to an underwater cleaning robot, comprising a brush component (3) rotatably disposed in a forward direction of a dirt suction port (2). The dirt suction port (2) is disposed at a bottom portion of a main unit (1). The brush component (3) comprises a tapered portion (31) located in the forward direction of the dirt suction port (2). The tapered portion (31) forms an arch-shaped dirt collection channel (32) with respect to the ground. During operation of a device, the brush component (3) rotates and generates an eddy current, such that trash in front of the device enters the dirt suction port (2) via a gap between the brush component (3) and the ground. The tapered portion (31) causes trash near the brush component (3) to be collected at the dirt collection channel (32). The structure has a reasonable layout and stable operation, and can prevent trash from scattering towards two ends of the roller brush.

Description

Roller brush suitable for underwater cleaning robot and capable of preventing garbage from escaping

Technical field

The invention relates to cleaning equipment, in particular to a structure for cleaning garbage, in particular to a rolling brush suitable for underwater cleaning robots and capable of preventing garbage from escaping.

Background technique

The underwater cleaning robot has begun to be widely used as a cleaning device for cleaning pool bottoms. In an appearance patent number CN201830213470.5 in China, the patent titled "Underwater Cleaning Robot" discloses an underwater cleaning robot whose suction port is provided at the bottom of the host and in front of the host There is a roller brush, which is driven by the drive mechanism inside the host, and can sweep leaves, mud and other garbage into the suction port.

However, in the actual application process of the existing roller brush, garbage will escape to the ends of the roller brush, especially under water. Because the resistance of water is greater than that of air, the roller brush will flip the water body during the rolling process. , The garbage escapes with the water body to both ends of the roller brush before passing through the roller brush; and some of the garbage passing through the roller brush will escape with the water body to both ends of the roller brush, and the amount of garbage eventually sent into the suction port is very small Every time an underwater robot cleans a place, garbage will escape at both ends, which greatly reduces the cleaning effect.

In addition, the spilled garbage will fall into the drive wheels on both sides of the roller brush, which not only hinders the rotation of the drive wheel, but also damages the drive wheel and the drive shaft of the roller brush, respectively.

technical problem

The technical problem to be solved by the present invention is to provide a reasonable structure layout, stable operation, and can prevent garbage from escaping to both ends of the roller brush, which is suitable for underwater cleaning robots and can prevent garbage from escaping. brush.

Technical solution

The technical solution adopted by the present invention to solve the above technical problems is as follows: a roller brush suitable for underwater cleaning robots, which can prevent garbage from escaping, includes a rotating roller brush body provided in the forward direction of the sewage suction port, and the sewage suction port is provided on the host At the bottom of the body, the roller brush body includes a tapered portion located in the forward direction of the dirt suction port, and the tapered portion forms an arched dirt collection channel with the ground.

The roller can be used alone as a roller brush body to send garbage into the dirt suction port by vortex flow. Preferred solutions of the roller brush body include a rotating roller and a cleaning layer provided on the outer peripheral surface of the roller.

The cleaning layer of Example 1 is a rubber sleeve sleeved on the outer peripheral surface of the drum. The rubber sleeve includes brush blades distributed on the surface of the drum and facing the dirt collection channel.

The cleaning layer of Example 2 is a fabric sleeved on the outer peripheral surface of the drum.

The cleaning layer of Example 3 is an arrangement of bristles fixed on the surface of the drum. The arrangement of the bristles is composed of needle-like bristles. The arrangement of the bristles is arranged spirally on the surface of the drum and faces the dirt collection channel.

Example 4 is further optimized on the basis of Example 1 to make the outer contour of the drum cylindrical. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

Example 5 is further optimized on the basis of Example 1, so that the outer contour of the drum is a tapered type adapted to the tapered portion. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

The only difference between Embodiment 6 and Embodiment 4 is that the tapered portion is an arc-shaped tapered body.

The only difference between Example 7 and Example 5 is that the tapered portion is an arc-shaped tapered body.

Example 8 is further optimized on the basis of Example 2 to make the outer contour of the drum cylindrical. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

Example 9 is further optimized on the basis of Example 2 so that the outer contour of the drum is tapered to match the tapered portion. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

The only difference between Embodiment 10 and Embodiment 8 is that the tapered portion is an arc-shaped tapered body.

The only difference between Example 11 and Example 9 is that the tapered portion is an arc-shaped tapered body.

Example 12 is further optimized on the basis of Example 3, so that the outer contour of the drum is cylindrical. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

Example 13 is further optimized on the basis of Example 3, so that the outer contour of the drum is tapered to fit the tapered portion. In particular, the roller is sleeved on the small diameter end of the tapered portion, and a bracket is provided. The cleaning layer is provided on both sides of the bracket in a disconnected shape, and the bracket is fixed on the host. In particular, the tapered portion is a linear tapered stage.

The only difference between Embodiment 14 and Embodiment 12 is that the tapered portion is an arc-shaped tapered body.

The only difference between Embodiment 15 and Embodiment 13 is that the tapered portion is an arc-shaped tapered body.

Beneficial effect

Compared with the prior art, a rolling brush suitable for underwater cleaning robots of the present invention, which can prevent garbage from escaping, includes a rotating rolling brush body arranged in the forward direction of the suction port, and the suction port is provided at the bottom of the host, The roller brush body includes a tapered portion located in the forward direction of the dirt suction port, and the tapered portion forms an arch-shaped dirt collection channel with the ground. The tapered part is a linear tapered table body, which includes a rotating roller and a cleaning layer provided on the outer periphery of the roller. The outer contour of the drum is cylindrical, and the cleaning layer is a rubber sleeve provided with a sheet-shaped brush piece, and the brush piece is obliquely arranged on the surface of the rubber sleeve and faces the dirt collection channel. During the operation of the equipment, the roller brush body rotates and generates eddy currents. Garbage in front of the equipment will enter the dirt suction port through the gap between the roller brush body and the ground. Sewage collection channels to prevent garbage from escaping to both ends of the roller brush with the water body. The structural layout is reasonable, the operation is stable, and the garbage can be prevented from escaping to both ends of the roller brush.

BRIEF DESCRIPTION

Figure 1 is a schematic diagram of the bottom structure of the device of the present invention;

2 is a schematic structural view of the corresponding roller brush body in the case of the present invention having one dirt suction port;

3 is a schematic structural view of the corresponding roller brush body in the case of the present invention having two suction ports;

4 is a schematic diagram of the positional relationship between the roller brush body and the ground of the present invention;

5 is a schematic structural view of the cylindrical drum of Example 1, Example 4 and Example 6;

6 is a schematic diagram of the structure of the tapered drum of Example 1, Example 5 and Example 7;

7 is a schematic view of the structure of the brush arrangement of the embodiment with a brush;

8 is a schematic structural view of a cylindrical drum of Example 2, Example 8 and Example 10;

9 is a schematic diagram of the structure of the tapered drum of Example 2, Example 9 and Example 11;

10 is a schematic structural view of the cylindrical drum of Example 3, Example 12 and Example 14;

11 is a schematic diagram of the structure of the tapered drum of Example 3, Example 13 and Example 15;

12 is a schematic diagram of the structure of the tapered portion of the present invention is linear tapered;

13 is a schematic diagram of a tapered structure of the present invention where the tapered portion is an arc-shaped tapered;

14 is a schematic diagram of a concave arc-shaped tapered structure in which the tapered portion of the present invention is an arc-shaped tapered.

Embodiments of the invention

The embodiments of the present invention are described in further detail below with reference to the drawings.

1 to 14 are schematic structural diagrams of the present invention.

The reference signs are: host machine 1, suction port 2, roller brush body 3, tapered portion 31, dirt collection channel 32, rubber sleeve 4, brush blade 41, roller 5, bracket 6, fabric 7, bristle arrangement 8 、洁层9。 Cleaning layer 9.

1 to 14 are schematic structural views of the present invention. As shown in the figure, a rolling brush suitable for underwater cleaning robots of the present invention, which can prevent garbage from escaping, includes a rotating rolling brush provided in the forward direction of the suction port 2 The body 3 and the dirt suction port 2 are provided at the bottom of the main body 1. The roller brush body 3 includes a tapered portion 31 located in the forward direction of the dirt suction port 2. The tapered portion 31 and the ground form an arch-shaped dirt collection channel 32. As shown in Figures 1 and 2, when the number of suction ports 2 is one, the corresponding number of tapered portions 31 is also one; as shown in Figure 3, when the number of suction ports 2 is two Generally, two suction ports 2 are arranged side by side at the bottom of the main unit 1, and the corresponding tapered portions 31 are also arranged side by side to match two.

The roller 5 can be used alone as the roller brush body 3 to send garbage into the dirt suction port 2 by vortex. The preferred solution of the roller brush body 3 includes a rotating roller 5 and a cleaning layer 9 provided on the outer peripheral surface of the roller 5.

15 specific examples are given below to explain the present invention.

Embodiment 1: As shown in FIG. 5, FIG. 6 and FIG. 7, the cleaning layer 9 is a rubber sleeve 4 sleeved on the outer circumferential surface of the drum 5, and the rubber sleeve 4 includes brush blades 41 distributed on its surface and facing the dirt collection channel 32 The brush blades 41 on both sides of the tapered portion 31 are distributed in an “eight” shape, and are distributed spirally outside the rubber sleeve 4. When the roller brush body 3 performs the cleaning operation, the brush blade 41 will sweep the garbage toward the central position of the dirt collection channel 32.

Embodiment 2: As shown in FIGS. 8 and 9, the cleaning layer 9 is a fabric 7 sleeved on the outer peripheral surface of the drum 5. The fabric 7 can absorb underwater dust, and due to the rough material on the surface of the fabric 7, it can drive the water body to generate eddy currents, thereby collecting small particles of garbage and flocculent garbage in front of the roller body 3 to the dirt collection channel 32.

Embodiment 3: As shown in FIGS. 10 and 11, the cleaning layer 9 is a bristle arrangement 8 fixed on the surface of the drum 5. The bristle arrangement 8 is composed of needle-like bristles, and the bristle arrangement 8 on both sides of the tapered portion 31 is “ Eight-shaped distribution, distributed in a spiral arrangement on the outer periphery of the drum 5, and facing the dirt collection channel 32. When the roller brush body 3 performs the cleaning operation, the bristle arrangement 8 will sweep the garbage toward the central position of the dirt collection channel 32.

Example 4 is further optimized on the basis of Example 1 and, as shown in FIG. 5, the outer contour of the drum 5 is cylindrical. In particular, the drum 5 is rotatably provided with a bracket 6 at the small-diameter end of the tapered portion 31, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, as shown in FIG. 12, the tapered portion 31 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage.

Embodiment 5 is further optimized on the basis of Embodiment 1. As shown in FIG. 6, the outer contour of the drum 5 is a tapered type adapted to the tapered portion 31. In particular, the drum 5 is rotatably provided with a bracket 6 at the small-diameter end of the tapered portion 31, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, as shown in FIG. 12, the tapered portion 31 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage. The roller brush body 3 will be axially pressed by the garbage collected in the dirt collection channel 32 during the working process. This pressure will cause the cleaning layer 9 to slide toward both ends of the drum 5, and the outer contour of the second drum 5 is set to a tapered type , Providing resistance that opposes this oppression.

The only difference between Embodiment 6 and Embodiment 4 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered stage. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope suddenly decreases near the center of the dirt collection channel 32. This structure can make the ends of the roller brush body 3 The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

The only difference between Embodiment 7 and Embodiment 5 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered stage. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope suddenly decreases near the center of the dirt collection channel 32. This structure can make the ends of the roller brush body 3 The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

Example 8 is further optimized on the basis of Example 2 and as shown in FIG. 8, the outer contour of the drum 5 is cylindrical. In particular, the drum 5 is rotatably provided with a bracket 6 at the small-diameter end of the tapered portion 31, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, the tapered portion 31 shown in FIG. 12 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage.

Example 9 is further optimized on the basis of Example 2, as shown in FIG. 9, the outer contour of the drum 5 is tapered to match the tapered portion 31. In particular, the drum 5 is rotatably provided with a bracket 6 at the small-diameter end of the tapered portion 31, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, the tapered portion 31 shown in FIG. 12 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage. The roller brush body 3 will be axially pressed by the garbage collected in the dirt collection channel 32 during the working process. This pressure will cause the cleaning layer 9 to slide toward both ends of the drum 5, and the outer contour of the second drum 5 is set to a tapered type , Providing resistance that opposes this oppression.

The only difference between Embodiment 10 and Embodiment 8 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered body. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope gradually decreases near the center of the dirt collection channel 32. The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

The only difference between Embodiment 11 and Embodiment 9 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered stage. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope suddenly decreases near the center of the dirt collection channel 32. This structure can make the ends of the roller brush body 3 The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

Example 12 is further optimized on the basis of Example 3, and as shown in FIG. 10, the outer contour of the drum 5 is cylindrical. In particular, the drum 5 is rotatably provided with a bracket 6 at the small-diameter end of the tapered portion 31, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, the tapered portion 31 shown in FIG. 12 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage.

Example 13 is further optimized on the basis of Example 3, and as shown in FIG. 11, the outer contour of the drum 5 is tapered to match the tapered portion 31. In particular, the drum 5 is rotatably sleeved with a bracket 6 at the small-diameter end of the tapered portion 31. As shown in FIG. 8, the cleaning layer 9 is provided on both sides of the bracket 6 in a disconnected shape, and the bracket 6 is fixed to the host 1. In particular, the tapered portion 31 shown in FIG. 12 is a linear tapered stage. The tapered portion 31 will continue to be pressed by the garbage, and the bracket 6 can prevent the tapered portion 31 from being deformed by the garbage. The roller brush body 3 will be axially pressed by the garbage collected in the dirt collection channel 32 during the working process. This pressure will cause the cleaning layer 9 to slide toward both ends of the drum 5. , Providing resistance that opposes this oppression.

The only difference between Embodiment 14 and Embodiment 12 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered stage. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope suddenly decreases near the center of the dirt collection channel 32. This structure can make the ends of the roller brush body 3 The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

The only difference between Embodiment 15 and Embodiment 13 is that, as shown in FIGS. 13 and 14, the tapered portion 31 is an arc-shaped tapered stage. In particular, the concave arc-shaped tapering as shown in FIG. 14 can quickly collect the garbage at both ends of the roller brush. As shown in FIG. 11, the concave arc-shaped tapered structure has a large slope on both sides of the dirt collection channel 32, and the slope suddenly decreases near the center of the dirt collection channel 32. This structure can make the ends of the roller brush body 3 The garbage quickly collects along the longitudinal direction of the roller brush body 3 toward the dirt collection channel 32, and can quickly reduce the lateral movement speed when approaching the center of the dirt collection channel 32. Therefore, the garbage at both ends of the roller brush body 3 can be quickly collected to the dirt collection channel 32, and excessive dust can be prevented from suddenly accumulating at the center of the dirt collection channel 32.

In the above embodiment of "the outer contour of the roller 5 is a tapered type adapted to the tapered portion 31", the tapered roller 5 can also ensure that the thickness of the cleaning layer 9 is uniform, thereby enhancing the cleaning layer 9 in rolling Brush the strength at both ends of the body 3. The rollers 5 of the embodiment 4 to the embodiment 15 can also be connected to the bracket 6 independently and rotatably. Observation data compared with the same year compared with the test. The bottom high-speed camera recorded images. At the same speed, the tapered roller brush body increased the inlet water flow by 70%-120% compared with the cylindrical roller brush body, and the concentration rate of impurities increased by 120%-150% . Embodiment 4 is the best embodiment of the present invention.

The preferred embodiment of the present invention has clarified that various changes or modifications made by those of ordinary skill in the art will not depart from the scope of the present invention.

Claims

A roller brush suitable for underwater cleaning robots, which can prevent garbage from escaping, includes a roller brush body (3) which is arranged in a forward direction of a sewage suction port (2), and the sewage suction port (2) is arranged on a host ( 1) The bottom part is characterized in that the roller brush body (3) includes a tapered portion (31) located in the forward direction of the dirt suction port (2), and the tapered portion (31) is The ground is formed with an arch-shaped sewage collection channel (32).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 1, wherein the roller brush body (3) includes a rotating roller (5), and is provided on the The cleaning layer (9) on the outer peripheral surface of the roller (5).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 2, wherein the cleaning layer (9) is sleeved on the outer peripheral surface of the roller (5) A rubber sleeve (4). The rubber sleeve (4) includes brush blades (41) distributed on the surface of the body and facing the dirt collection channel (32).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 2, wherein the cleaning layer (9) is sleeved on the outer peripheral surface of the roller (5) Fabric (7).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 2, wherein the cleaning layer (9) is bristles fixed on the surface of the drum (5) Arrangement (8), the bristle arrangement (8) is composed of needle-shaped bristles, and the bristle arrangement (8) is spirally arranged on the surface of the drum (5) and faces the dirt collection channel ( 32).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to any one of claims 3 to 5, wherein the outer contour of the roller (5) is cylindrical.
According to any one of claims 3 to 5, a roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping is characterized in that the outer contour of the roller (5) is the same as the The tapered part (31) is a tapered type.
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 6, wherein the roller (5) is sleeved on the small diameter end of the tapered portion (31) There is a bracket (6), and the cleaning layer (9) is provided on both sides of the bracket (6) in a disconnected shape, and the bracket (6) is fixed to the host (1).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 8, wherein the tapered portion (31) is a linear tapered platform.
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 8, wherein the tapered portion (31) is an arc-shaped tapered platform.
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 7, wherein the roller (5) is sleeved on the small diameter end of the tapered portion (31) There is a bracket (6), the cleaning layer (9) is provided on both sides of the bracket (6), and the bracket (6) is fixed on the host (1).
A roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 11, wherein the tapered portion (31) is a linear tapered platform.
The roller brush suitable for underwater cleaning robots capable of preventing garbage from escaping according to claim 11, wherein the tapered portion (31) is an arc-shaped tapered platform.