Cleaning assembly and cleaning robot

Abstract

The utility model discloses a cleaning assembly and a cleaning robot, the cleaning assembly comprises: a housing, which is provided with a rolling brush cavity for accommodating a rolling brush, and one side of the rolling brush cavity is connected with a dust suction port; the first comb tooth group comprises a plurality of first comb teeth, and the first comb teeth are arranged on the inner wall of the rolling brush cavity at intervals in the length direction of the rolling brush cavity; the second comb tooth group comprises a plurality of second comb teeth, the second comb teeth are arranged on the inner wall of the rolling brush cavity at intervals in the length direction of the rolling brush cavity, and the second comb teeth and the first comb teeth are distributed in a staggered mode in the length direction of the rolling brush cavity; the rolling brush is rotatably installed in the rolling brush cavity, the rolling brush is provided with bristles, in the rotating process of the rolling brush, the bristles can interfere with the first comb tooth set and the second comb tooth set, and the first comb tooth set and the second comb tooth set are used for being matched with a dust collection fan communicated with the dust collection opening. And the entanglement on the rolling brush is removed.

Description

Technical Field

[0001] The utility model belongs to the technical field related to cleaning equipment, and specifically relates to a cleaning component and a cleaning robot. Background Art

[0002] With the rapid development of science and technology and the continuous improvement of people's living standards, various cleaning devices have entered people's lives, such as handheld cleaning devices such as vacuum cleaners and mite removers, as well as cleaning robots such as sweeping robots, sweeping and mopping robots, and floor scrubbing robots. These cleaning devices are usually equipped with cleaning components, which can usually be divided into dry cleaning components and wet cleaning components. The dry cleaning component usually has a dust collection component and a roller brush component. The dust collection component and the roller brush component can complete sweeping, dust collection and other tasks.

[0003] Since the roller brush can easily get entangled with hair, animal hair and other entanglements during its rotation, these entanglements need to be cleaned by the user, which brings great inconvenience to the user and seriously affects the user experience. Existing hair cutting and hair removal technologies are often less effective in removing entanglements such as hair and fur. For example, a Chinese patent with publication number CN112956945B discloses a hair removal tooth assembly, which includes two sets of comb teeth. However, this double comb tooth structure is more likely to cause hair clusters to get stuck on the comb teeth, or the hair on the roller brush cannot be removed because the comb teeth have a small force on the hair clusters. Utility Model Content

[0004] The main purpose of the utility model is to provide a cleaning component and a cleaning robot to improve the effect of removing objects entangled in a roller brush, especially to improve the effect of removing objects such as hair clusters, thereby improving the user experience.

[0005] The utility model provides a cleaning component on one hand, the component comprising:

[0006] The housing has a roller brush cavity for accommodating a roller brush, and one side of the roller brush cavity is connected to a dust suction port;

[0007] A roller brush is rotatably mounted in the roller brush cavity, and bristles are arranged on the surface of the roller brush;

[0008] A first comb tooth group, comprising a plurality of first comb teeth, wherein the plurality of first comb teeth are arranged on the inner wall of the rolling brush cavity at intervals along the length direction of the rolling brush cavity, and the first comb tooth group is located at one side of the dust suction port;

[0009] A second comb tooth group, comprising a plurality of second comb teeth, wherein the plurality of second comb teeth are arranged on the inner wall of the roller brush cavity at intervals along the length direction of the roller brush cavity, and the second comb tooth group is located between the first comb tooth group and the dust suction port;

[0010] Wherein, in the length direction of the rolling brush cavity, a plurality of the second comb teeth and a plurality of the first comb teeth are staggeredly distributed, and in the height direction of the rolling brush cavity, a line connecting the highest point of the second comb tooth and the highest point of the adjacent first comb tooth forms an angle α with the width direction of the rolling brush cavity, and the angle satisfies 5°≤α≤25°;

[0011] During the rotation of the roller brush, the roller brush can interfere with the first comb tooth group and the second comb tooth group. The first comb tooth group and the second comb tooth group are used to cooperate with the dust suction fan connected to the dust suction port to remove the entanglement on the roller brush.

[0012] In the working state of removing entanglements, the rotation speed of the roller brush is greater than 1100 rpm and less than 1500 rpm.

[0013] According to another aspect of the present invention, a cleaning robot is provided, including a robot body, a control unit, and a driving unit, wherein the robot body is installed with the above-mentioned cleaning assembly.

[0014] In the current household cleaning environment, hair is entangled and attracted to each other to form clumps of hair, which are difficult to clean on the roller brush. The hair removal teeth in the prior art are difficult to effectively comb the hair clumps and open the clumps of hair to facilitate the suction of the dust box by the suction port.

[0015] In one embodiment of the present application, in the axial direction of the roller brush shaft, a double row of comb teeth are arranged, and a plurality of second comb teeth and a plurality of first comb teeth are staggered. Since the first comb teeth and the second comb teeth are staggered, the points of application of the first comb teeth on the entangled object and the points of application of the second comb teeth on the entangled object are offset in the length direction of the roller brush cavity, resulting in the first comb teeth and the second comb teeth exerting opposite stresses on the entangled object in the length direction, thereby forming frictional force on the entangled object on the two groups of comb teeth, which can comb out the clumped hair and facilitate the suction port to suck it into the dust collection box.

[0016] In addition, the inventors found that the offset of the force points of the first comb teeth on the entangled object and the force points of the second comb teeth on the entangled object in the length direction of the roller brush chamber, as well as the rotation speed in the working state of removing the entangled object, are both very important for combing out the clumped hair clusters and subsequently sucking in the combed hair through the suction port.

[0017] Specifically, in the height direction of the roller brush cavity, the line between the highest point of the second comb tooth and the highest point of the first comb tooth adjacent thereto forms an angle α with the width direction of the roller brush cavity. When the angle satisfies 5°≤α≤25°, the combing effect is better. If the angle is too large, the hair clusters between the first comb teeth and the second comb teeth will be prematurely broken due to the excessive pulling of the opposite stresses generated by the first comb teeth and the second comb teeth on the winding object, which will cause the remaining hair clusters to be completely entangled on the roller brush. As the roller brush rotates, the hair clusters will become tighter and tighter, making them more difficult to remove. In addition, if the angle continues to increase excessively, the hair clusters will not enter the comb tooth gap at all, and effective combing cannot be achieved. If the angle is too small, on the one hand, the lateral spacing between the adjacent first comb teeth and the second comb teeth is too small, and the agglomerated hair clusters are difficult to enter the narrow space, making it difficult to form effective combing. Even if a small number of small-volume hair clusters enter the narrow space, it is difficult to achieve effective combing and removal of the hair clusters due to the small friction between the adjacent first comb teeth and the second comb teeth on the hair clusters.

[0018] In addition, in this example, the roller brush speed is set to be greater than 1100 rpm, which can not only increase the impact force of the comb teeth on the entangled objects, especially the hair clusters, but also can more concentratedly comb the hair clusters between the comb teeth, so as to further utilize the friction, stress and suction of the dust suction port of the comb teeth to separate the hair clusters from the roller brush, and will not cause the roller brush speed to drop below the normal working speed due to the resistance generated by the interference between the comb teeth and the roller brush bristles. If the roller brush speed is less than 1500 rpm, on the one hand, if the speed is too high, it is easy to cause the hair clusters to be unable to be effectively combed by the comb teeth, and they will all be entangled on the roller brush. On the other hand, if the speed is too high, it will generate dust and affect normal work. In the hair removal state, the roller brush rotates at a speed within the above range, which can improve the hair removal effect while not affecting the normal cleaning effect of the cleaning component.

[0019] Furthermore, the rotation speed of the roller brush of the present application when removing hair clusters and the above-mentioned angle α are two parameters that work together. After experimental testing and verification, they jointly ensure that the hair clusters are easy to remove after being combed by the double-row comb teeth, and are not easy to break, and will not cause the hair clusters remaining on the roller brush to become more and more tangled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a cleaning component provided by an embodiment of the utility model.

[0022] Figure 2 It is a schematic cross-sectional view of a three-dimensional structure of a cleaning component provided by an embodiment of the utility model.

[0023] Figure 3 It is a top view of the planar structure of a cleaning component provided by an embodiment of the utility model.

[0024] Figure 4 It is a partial side cross-sectional view of a cleaning component provided by an embodiment of the utility model.

[0025] Figure 5 yes Figure 3 A magnified view of a cleaning component.

[0026] Figure 6 It is a schematic diagram of force analysis of a hair cluster in a hair removal scenario provided by an embodiment of the utility model.

[0027] Figure 7 It is a structural schematic diagram of a cleaning robot provided by an embodiment of the utility model in a state where a roller brush is not installed.

[0028] Figure 8 It is a structural schematic diagram of a cleaning robot provided by an embodiment of the utility model.

[0029] Fig. 9 It is a curve test diagram of the influence of the roller brush working speed and the angle α1 on the hair retention rate in the working state of removing entanglements provided by an embodiment of the utility model.

[0030] Description of reference numerals:

[0031] 1. Shell; 2. Roller brush chamber; 3. Dust suction port; 4. First comb tooth group; 41. First comb teeth; 5. Second comb tooth group; 51. Second comb teeth; 6. Roller brush; 61. Bristles; 62. Roller brush body; 7. Robot body; 8. Driving wheel; 9. Rag plate. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0034] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0035] Example 1

[0036] Figure 1 It is a partial three-dimensional structural schematic diagram of a cleaning component provided by an embodiment of the utility model. Figure 2 It is a schematic cross-sectional view of a three-dimensional structure of a cleaning component provided by an embodiment of the utility model. Figure 3 It is a partial planar structural schematic diagram of a cleaning component provided by an embodiment of the utility model. The cleaning component can be applied to cleaning equipment, including but not limited to cleaning robots, vacuum cleaners and other equipment. The implementation method applied to the cleaning robot is that it can be set at the bottom of the cleaning robot. When the cleaning robot is cleaning the floor, the roller brush in the cleaning component can rotate and sweep the floor. The dust suction fan connected to the cleaning component can form a negative pressure, so that the dirt on the floor can be sucked through the dust suction port on the cleaning component. Of course, other functional units can also be provided on the cleaning robot, which will not be described one by one here. Specifically, Figures 1 to 3 As shown, the cleaning component may include:

[0037] The housing 1 has a roller brush chamber 2 for accommodating a roller brush, and a dust suction port 3 is provided on one side of the roller brush chamber 2.

[0038] The shape and size of the roller brush chamber 2 match the roller brush, the rotation axis direction of the roller brush is roughly the same as the length direction of the roller brush chamber, and the two ends of the roller brush 6 can be rotatably connected to the two ends of the roller brush chamber 2, or only one end can be rotatably connected to one end of the roller brush chamber 2, and the other end is a free end. The roller brush 6 can rotate at a specific speed along its circumference driven by the motor, and can sweep the dirt on the cleaning surface to the dust suction port 3.

[0039] In this example, if Figures 1 to 3 As shown, the edge of the dust suction port 3 can be connected to the roller brush chamber 2, and is arranged on one side of the roller brush chamber 2. The dust suction port 3 can be connected to a dust suction fan through a dust suction air duct. When the dust suction fan is working, negative pressure can be formed at the dust suction port, and the garbage under the roller brush chamber and the hair and other garbage detached from the roller brush can be sucked into the dust box or dust bag of the cleaning device through the dust suction port.

[0040] Among them, in some embodiments of the present invention, the edge of the dust suction port 3 can be flexible, and the dust suction port 3 can be flexibly connected to the roller brush chamber 2 through the flexible edge, and the roller brush chamber 2 can move relative to the dust suction port 3. Of course, in other embodiments of the present invention, if the roller brush chamber does not need to be movable relative to the dust suction port, the edge of the dust suction port can also be rigid, and the present invention does not limit this.

[0041] The first comb tooth group 4 includes a plurality of first comb teeth 41, and the plurality of first comb teeth 41 are arranged on the inner wall of the roller brush cavity 2 at intervals along the length direction of the roller brush cavity 2. The first comb tooth group 4 is located on one side of the dust suction port 3. Furthermore, the spacing between two adjacent first comb teeth 41 is greater than 5 mm and less than 10 mm.

[0042] The plurality of first comb teeth 41 may be arranged at equal intervals or at unequal intervals, but it is preferred that the interval between adjacent first comb teeth 41 is greater than 5 mm and less than 10 mm, such as 6 mm, 8 mm, 9 mm, 8.1 mm, 8.5 mm, 10 mm, etc.

[0043] The first comb teeth group 4 is usually arranged in the roller brush cavity, above the suction port 3 , and its arrangement direction is roughly parallel to the length direction of the suction port 3 .

[0044] like Figure 3 As shown, when the thickness of the first comb teeth 41 is inconsistent, the spacing between adjacent first comb teeth 41 can generally refer to the spacing d1 between the top ends (tooth tips) of adjacent first comb teeth 41. Of course, in other embodiments of the present invention, the spacing between the bottom of the comb teeth or the spacing between the middle parts can also be used as the spacing between the two.

[0045] The second comb tooth group 5 includes a plurality of second comb teeth 51, and the plurality of second comb teeth 51 are arranged on the inner wall of the roller brush cavity 2 at intervals along the length direction of the roller brush cavity 2. The second comb tooth group is located between the first comb tooth group and the dust suction port. Furthermore, the spacing between two adjacent second comb teeth is greater than 5 mm and less than 10 mm.

[0046] The plurality of second comb teeth 51 may be arranged at equal intervals or at unequal intervals, but the interval between adjacent second comb teeth 51 is preferably kept within a range of greater than 5 mm and less than 10 mm, such as 6 mm, 8 mm, 9 mm, 8.1 mm, 8.5 mm, 10 mm, etc.

[0047] like Figure 3As shown, in the case where the thickness of the second comb teeth 51 is inconsistent, the spacing between adjacent second comb teeth 51 can generally refer to the spacing d2 between the top ends (tooth tips) of adjacent second comb teeth. Of course, in other embodiments of the present invention, the spacing between the bottom of the comb teeth or the spacing in the middle can also be used as the spacing between the two.

[0048] Among them, for thicker entanglements such as hair clusters, if the first comb teeth spacing and the second comb teeth spacing are too small, the hair clusters cannot be combed between the comb teeth, which may cause the hair clusters to be squeezed and entangled on the comb teeth. In severe cases, the roller brush may stop rotating. If the first comb teeth spacing and the second comb teeth spacing are too large, the friction force on the hair clusters may be too small, and the hair clusters cannot be separated from the roller brush. The friction force of the comb teeth on both sides of the hair clusters on the hair clusters can be increased as much as possible. Combined with the dragging force of the comb teeth, the possibility of separating the hair clusters from the roller brush can be increased, and the hair removal effect can be improved. Combined with the spacing setting of the first comb teeth, the hair clusters can be combed twice and rubbed in two places, which can further improve the effect of removing entanglements.

[0049] In the length direction of the rolling brush chamber, a plurality of the second comb teeth and a plurality of the first comb teeth are staggered, and in the height direction of the rolling brush chamber, a deflection angle α is formed between the line between the highest point of the second comb tooth and the highest point of the adjacent first comb tooth and the width direction of the rolling brush chamber, and the angle satisfies 5°≤α≤25°. Figure 5 It can be understood that, taking any second comb tooth 51 in the second comb tooth group 5 as an example, there are two adjacent first comb teeth, one is the first comb tooth 41 on the left, and the other is the first comb tooth 41 on the right. In the first embodiment, the line between the highest point C of the second comb tooth 51 and the highest point B of the first comb tooth 41 adjacent to the right, and the extension line of the width direction of the roller brush cavity form an angle α1, wherein the angle satisfies 5°≤α1≤25°. In the second embodiment, the line between the highest point C of the second comb tooth 51 and the highest point A of the first comb tooth 41 adjacent to the left, and the extension line of the width direction of the roller brush cavity may also form an angle α2, wherein the angle may also be 5°≤α1≤25°.

[0050] When the angle satisfies 5°≤α≤25°, the combing effect is better. If the angle is too large, the first comb teeth and the second comb teeth will generate opposite stresses f2 and f3 on the entangled material (see Figure 6) is pulled excessively, causing the hair clusters between the first comb teeth and the second comb teeth to break prematurely, which will cause the remaining hair clusters to be entangled on the roller brush. As the roller brush rotates, the entanglement becomes tighter and tighter, making it more difficult to remove. In addition, if the included angle continues to increase excessively, the hair clusters will not enter the comb tooth gaps at all, and effective combing cannot be achieved. If the included angle is too small, on the one hand, the lateral spacing between adjacent first comb teeth and second comb teeth is too small, and it is difficult for the agglomerated hair clusters to enter the narrow space, making it difficult to effectively comb. Even if a small number of small-volume hair clusters enter the narrow space, it is difficult to effectively comb and remove the hair clusters due to the small friction force f1 of the adjacent first comb teeth and second comb teeth on the hair clusters.

[0051] In one embodiment, the line connecting the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 adjacent to it forms an angle α with the width direction of the rolling brush chamber, and the angle satisfies 8°≤α≤15°. Figure 5 For example, a line connecting the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 closest to it forms an angle α1 with the width direction of the roller brush chamber, wherein the angle satisfies 8°≤α1≤15°.

[0052] In one embodiment, the line between the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 adjacent to it and the width direction of the rolling brush chamber forms an angle α, and the angle satisfies 15°≤α≤25°. Figure 5 For example, a line connecting the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 adjacent to it and farther away forms an angle α2 with the width direction of the roller brush chamber, wherein the angle is most appropriately 10°≤α2≤25°.

[0053] During the rotation of the roller brush 6, the roller brush 6 can interfere with the first comb tooth group 4 and the second comb tooth group 5. The first comb tooth group 4 and the second comb tooth group 5 cooperate with the dust suction fan connected to the dust suction port to remove the entanglement on the roller brush 6. In the working state of removing the entanglement, the rotation speed of the roller brush 6 is greater than 1100 rpm and less than 1500 rpm. The rotation speed of the roller brush 6 is set to be greater than 1100 rpm, which can not only increase the impact force of the comb teeth on the entanglement, especially the hair cluster, but also more concentratedly comb the hair cluster between the comb teeth, so as to further use the friction, stress of the comb teeth and the suction force of the dust suction port to separate the hair cluster from the roller brush. Moreover, this impact force can also produce the effect of making the hair cluster separate from the roller brush, and the resistance generated by the interference between the comb teeth and the brush bristles of the roller brush will not cause the rotation speed of the roller brush to be reduced below the normal working speed. If the rotation speed of the roller brush is less than 1500 rpm, on the one hand, if the rotation speed is too high, it is easy to cause the hair cluster to be unable to be effectively combed, and on the other hand, if the rotation speed is too high, dust will be generated, affecting normal work. In the hair removal state, the roller brush rotates at a speed within the above range, which can improve the hair removal effect without affecting the normal cleaning effect of the cleaning component.

[0054] In one embodiment, in the height direction of the roller brush chamber 2, the distance between the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 closest to it is 5mm-10mm, and the highest point of the second comb tooth 51 is a pointed tooth type. The pointed tooth type design ensures that the tip of the second comb tooth 51 can easily penetrate into the root of the bristle 61 to pick up the hair entangled at the root of the bristle 61, and the height difference between the highest point of the second comb tooth 51 and the highest point of the first comb tooth 41 closest to it is between 5mm-10mm, maintaining a certain height difference space, which is conducive to better combing of the hair clusters.

[0055] In one embodiment, the second comb tooth group 5 is arranged between the first comb tooth group 4 and the dust suction port 3, and the roller brush can rotate in the direction from the dust suction port 3 to the second comb tooth group 5 and then to the first comb tooth group 4 during rotation, that is, first passing through the second comb teeth and then passing through the first comb teeth.

[0056] See also Figure 4 In one embodiment, the roller brush chamber 2 has at least one arc surface, and the first comb tooth group 4 and the second comb tooth group 5 are both located on the arc surface. The advantage of this arrangement is that the first comb teeth 41 and the second comb teeth 51 located on the arc-shaped roller brush chamber can better match with the circular roller brush and better scrape off the hair clusters on the roller brush.

[0057] In one embodiment, the bristles 61 of the roller brush 6 are inclined in the direction of rotation of the roller brush, forming an angle greater than 0 degrees with the radial direction of the roller brush body. Since the bristles are elastic, the bristles are inclined in the direction of rotation of the roller brush, and the elastic force generated by the deformation of the bristles when interfering with the comb teeth can be used to further increase the impact force between the comb teeth and the entangled objects, thereby improving the combing effect and the hair removal effect.

[0058] In one embodiment, in the length direction of the rolling brush chamber 2, a plurality of the second comb teeth 51 and a plurality of the first comb teeth 41 are staggered and arranged. Figure 4 , the extension direction from the bottom 411 of the first comb teeth to the top 412 of the first comb teeth is substantially perpendicular to the axial direction of the roller brush 6, and the extension direction from the bottom 511 of the second comb teeth to the top 512 of the second comb teeth is substantially perpendicular to the axial direction of the roller brush 6; the inventors have found that by designing the comb teeth of the first comb tooth group 4 and the second comb tooth group 5 to be substantially perpendicular to the axial direction of the roller brush 6, it can be ensured that the front end of the hair cluster will not be prematurely broken off due to the sharp top of the comb teeth. Once the front end of the hair cluster is broken off, the remaining part of the hair cluster will be completely entangled on the roller brush 6, and will become more and more tightly entangled as the roller brush 6 rotates, making it more difficult to remove.

[0059] In one embodiment, see Figure 8 The bristles 61 of the roller brush are arranged in a V-shape in the axial direction of the roller brush, and the apex of the V-shape is formed near the middle area of ​​the roller brush. The advantage of this arrangement is that the cleaned garbage (such as hair) can be better gathered in the middle area of ​​the roller brush, which is convenient for the suction port to suck dust.

[0060] Fig. 9 This is a curve diagram showing the influence of the roller brush working speed and the angle α1 on the hair retention rate in the working state of removing entanglements provided by an embodiment of the utility model. Fig. 9 As shown in the figure, when the roller brush rotates at 1200 rpm and the deflection angle is between 5° and 25°, the hair retention rate is lower, that is, the effect of removing hair clusters is better. However, the inventors found that even if the deflection angle is within the appropriate range, if the roller brush rotates at too high or too low a speed, the hair cluster removal effect cannot be achieved.

[0061] Example 2

[0062] See also Figure 1-Figure 4 The utility model also provides a cleaning component, the component comprising:

[0063] The housing 1 has a roller brush chamber 2 for accommodating a roller brush 6, and a dust suction port 3 is connected to one side of the roller brush chamber 2;

[0064] A first comb tooth group 4, comprising a plurality of first comb teeth 41, wherein the plurality of first comb teeth 41 are arranged on the inner wall of the rolling brush cavity along the length direction of the rolling brush cavity 2 at intervals, the first comb tooth group is located at one side of the suction port, and the distance between two adjacent first comb teeth is greater than 5 mm and less than 10 mm;

[0065] The second comb teeth group 5 includes a plurality of second comb teeth 51, which are arranged on the inner wall of the rolling brush cavity along the length direction of the rolling brush cavity 2 at intervals, and the second comb teeth group 5 is located between the first comb teeth group 4 and the dust suction port 3, and the distance between two adjacent second comb teeth 51 is greater than 5 mm and less than 10 mm;

[0066] Since the spacing between adjacent first comb teeth and the spacing between adjacent second comb teeth are both greater than 5mm, and this spacing is usually greater than the width of the hair cluster, the hair cluster can be combed between the comb teeth more effectively. And since there is a certain spacing between the first comb tooth group and the second comb tooth group, and both can comb the entangled material, during the rotation of the roller brush, the entangled material on the roller brush can be combed at two places, and the entangled material can be combed between the comb teeth of the two groups of comb teeth more effectively. Furthermore, since the spacing between adjacent first comb teeth is less than 10mm, and the spacing between adjacent second comb teeth is less than 10mm, it can be ensured that the first comb teeth 41 and the second comb teeth 51 both have a certain frictional contact with the entangled material, and since the frictional contact area between the two groups of comb teeth and the entangled material is larger, the friction force of the comb teeth on the entangled material can be increased. At the same time, since the first comb teeth 41 and the second comb teeth 51 are staggered, the force points of the first comb teeth on the winding object and the force points of the second comb teeth on the winding object are offset in the length direction of the roller brush chamber, resulting in the first comb teeth and the second comb teeth also generating opposite stresses on the winding object in the length direction, which can further increase the friction force of the two groups of comb teeth on the winding object. In addition, the extension direction from the bottom 411 of the first comb teeth to the top 412 of the first comb teeth is basically perpendicular to the axial direction of the roller brush 6, and the extension direction from the bottom 511 of the second comb teeth to the top 512 of the second comb teeth is basically perpendicular to the axial direction of the roller brush 6. The advantage of such a setting is that it can work synergistically with the friction force of the comb teeth on the winding object to ensure the friction force that makes the hair clusters easy to detach, and the front end of the hair cluster will not be prematurely broken due to the sharp top of the comb teeth, because once the front end of the hair cluster is broken, the remaining hair clusters will be completely entangled on the roller brush 6, and as the roller brush 6 rotates, it will become tighter and tighter, making it more difficult to remove.

[0067] Based on the cleaning components described in the above embodiments, the utility model also provides a cleaning robot. Figure 7 It is a structural schematic diagram of a cleaning robot provided by an embodiment of the utility model in a state where a roller brush is not installed. Figure 8 Schematic diagram of a cleaning robot provided by an embodiment of the utility model. Figure 7 , Figure 8 As shown, the cleaning robot may include a robot body 7, a control unit, and a driving unit, the driving unit having at least two driving wheels 8, the control unit can control the driving unit to realize automatic movement of the robot, the robot body is equipped with the cleaning components described in the above embodiments, and the control unit can control the operation of the cleaning components.

[0068] In one embodiment, when the cleaning robot is placed on a cleaning surface, the first comb tooth group and the second comb tooth group are fixed above or obliquely above the dust suction port in the roller brush chamber.

[0069] In an embodiment of the utility model, the cleaning robot is further provided with a rag assembly, which is located at the rear of the cleaning assembly.

[0070] like Figure 7 , Figure 8 As shown, in one embodiment of the utility model, the rag assembly includes two rag plates 9 rotatably mounted on the robot body, one of which can automatically swing outward to clean the corner areas.

[0071] In addition, it should be noted that those skilled in the art can clearly understand that the various embodiments of the present application can refer to each other. For example, the design of the cleaning component in the cleaning robot can refer to the description of the aforementioned cleaning component embodiment, and the various embodiments can refer to each other. For the convenience and simplicity of description, the same or corresponding specific working processes in each embodiment can refer to the corresponding process description in other method embodiments of the utility model.

[0072] Obviously, the above described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, ordinary technicians in this field can make other different forms of changes or modifications without creative work, which should fall within the scope of protection of the utility model.

Claims

1. A cleaning component, characterized in that: The components include: The housing has a roller brush cavity for accommodating a roller brush, and a dust suction port is provided on one side of the roller brush cavity; A roller brush is rotatably mounted in the roller brush cavity, and bristles are arranged on the surface of the roller brush; A first comb tooth group, comprising a plurality of first comb teeth, wherein the plurality of first comb teeth are arranged on the inner wall of the rolling brush cavity at intervals along the length direction of the rolling brush cavity, and the first comb tooth group is located at one side of the dust suction port; A second comb tooth group, comprising a plurality of second comb teeth, wherein the plurality of second comb teeth are arranged on the inner wall of the roller brush cavity at intervals along the length direction of the roller brush cavity, and the second comb tooth group is located between the first comb tooth group and the dust suction port; Wherein, in the length direction of the rolling brush cavity, a plurality of the second comb teeth and a plurality of the first comb teeth are staggeredly distributed, and in the height direction of the rolling brush cavity, an angle α is formed between a line connecting the highest point of the second comb tooth and the highest point of the adjacent first comb tooth and the width direction of the rolling brush cavity, and the angle satisfies 5°≤α≤25°; During the rotation of the roller brush, the roller brush can interfere with the first comb tooth group and the second comb tooth group. The first comb tooth group and the second comb tooth group are used to cooperate with the dust suction fan connected to the dust suction port to remove the entanglement on the roller brush. In the working state of removing entanglements, the rotation speed of the roller brush is greater than 1100 rpm and less than 1500 rpm.

2. The cleaning assembly according to claim 1, characterized in that In the height direction of the rolling brush chamber, the distance between the highest point of the second comb tooth and the highest point of the first comb tooth closest to it is 5mm-10mm, and the highest point of the second comb tooth is a pointed tooth type.

3. The cleaning assembly according to claim 1 or 2, characterized in that: In the height direction of the roller brush cavity, an angle α is formed between a line connecting the highest point of the second comb tooth and the highest point of the first comb tooth closest to it and the width direction of the roller brush cavity, and the angle satisfies 8°≤α≤15°.

4. The cleaning assembly according to claim 1 or 2, characterized in that: In the height direction of the roller brush cavity, an angle α is formed between a line connecting the highest point of the second comb tooth and the highest point of the first comb tooth adjacent to it and the width direction of the roller brush cavity, and the angle satisfies 10°≤α≤25°.

5. A cleaning assembly as claimed in claim 1 or 2, characterized in that: In the working state of removing entanglements, the rotation direction of the roller brush is from the suction port to the second comb tooth group and then to the first comb tooth group.

6. A cleaning assembly as claimed in claim 1 or 2, characterized in that: The rolling brush chamber has at least one arc surface, and the first comb tooth group and the second comb tooth group are both located on the arc surface.

7. A cleaning assembly as claimed in claim 1 or 2, characterized in that: The bristles of the roller brush are inclined toward the rotation direction of the roller brush, and form an angle greater than 0 degrees with the radial direction of the roller brush body.

8. A cleaning assembly as claimed in claim 7, characterized in that: The bristles of the roller brush are arranged in a V-shape in the axial direction of the roller brush, forming a V-shaped apex near the middle area of ​​the roller brush, and the middle area of ​​the roller brush is arranged opposite to the dust suction port.

9. A cleaning assembly as claimed in claim 1 or 2, characterized in that: The distance between two adjacent first comb teeth is greater than 5 mm and less than 10 mm, and the distance between two adjacent second comb teeth is greater than 5 mm and less than 10 mm.

10. A cleaning assembly according to claim 1 or 2, characterized in that: An extension direction from the bottom of the first comb teeth to the top of the first comb teeth is substantially perpendicular to the axial direction of the roller brush, and an extension direction from the bottom of the second comb teeth to the top of the second comb teeth is substantially perpendicular to the axial direction of the roller brush.

11. A cleaning assembly according to claim 10, characterized in that: The distance between two adjacent first comb teeth is greater than 5 mm and less than 10 mm, and the distance between two adjacent second comb teeth is greater than 5 mm and less than 10 mm.

12. A cleaning component, characterized in that: The components include: The housing has a roller brush cavity for accommodating a roller brush, and one side of the roller brush cavity is connected to a dust suction port; A first comb tooth group, comprising a plurality of first comb teeth, wherein the plurality of first comb teeth are arranged on the inner wall of the rolling brush cavity at intervals along the length direction of the rolling brush cavity, the first comb tooth group is located at one side of the dust suction port, and a distance between two adjacent first comb teeth is greater than 5 mm and less than 10 mm; The second comb tooth group includes a plurality of second comb teeth, wherein the plurality of second comb teeth are arranged on the inner wall of the rolling brush cavity at intervals along the length direction of the rolling brush cavity, the second comb tooth group is located between the first comb tooth group and the dust suction port, and the spacing between two adjacent second comb teeth is greater than 5 mm and less than 10 mm. In the length direction of the roller brush chamber, multiple second comb teeth and multiple first comb teeth are staggered, the extension direction from the bottom of the first comb teeth to the top of the first comb teeth is basically perpendicular to the axial direction of the roller brush, and the extension direction from the bottom of the second comb teeth to the top of the second comb teeth is basically perpendicular to the axial direction of the roller brush.

13. A cleaning robot, characterized in that: The robot comprises a robot body, a control unit and a driving unit, wherein the robot body is equipped with a cleaning component as claimed in any one of claims 1 to 12.

14. A cleaning robot as claimed in claim 13, characterized in that: When the cleaning robot is placed on a cleaning surface, the first comb tooth group and the second comb tooth group are fixed above or obliquely above the dust suction port in the roller brush chamber.

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