CN117137372A - Cleaning assembly and cleaning robot - Google Patents

Abstract

The invention discloses a cleaning assembly and a cleaning robot. The cleaning assembly comprises a shaft body, a first adhesive tape and a second adhesive tape, wherein the shaft body comprises a first end and a second end which are axially along the shaft body, the shaft body is provided with a rotating axis, the first adhesive tape is spirally arranged on the circumferential side surface of the shaft body along the axial direction of the shaft body and extends from the first end to the second end, a first distance between the side edge of the circumferential side surface of the shaft body, which is far away from the first adhesive tape, and the rotating axis is kept unchanged, the second adhesive tape is spirally arranged on the circumferential side surface of the shaft body along the axial direction of the shaft body and extends from the first end to the second end, the second adhesive tape comprises a first section and a second section which are mutually connected, a second distance between the side edge of the circumferential side surface of the shaft body, which is far away from the first end and the rotating axis, is kept unchanged, and a third distance between the side edge of the circumferential side surface of the shaft body, which is far away from the second section is gradually reduced from the direction from the first end to the second end. The cleaning component can improve the dust removal rate.

Description

Cleaning assembly and cleaning robot

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to a cleaning assembly and a cleaning robot.

Background

Cleaning robots have become increasingly popular in recent years as an intelligent cleaning appliance. Along with the development of robot product of sweeping floor, put forward new demand to the clean ability of robot of sweeping floor, there is longer foreign matter such as hair, pet hair often in the family and is difficult to clear away, can remain on ground sometimes, can twine on clean subassembly sometimes, can lead to clean subassembly card to die even lead to clean subassembly motor stall to burn. In the related art robot for sweeping floor, the diameter of the cleaning assembly is controlled so that hair, etc. move toward the smaller diameter end and finally are sucked into the dust box. However, because the cleaning component is large at one end and small at one end in the structure, the clearance between the cleaning component and the ground and the clearance between the cleaning component and the dust collecting port are large, and the small end of the cleaning component cannot contact the ground, so that the ground cannot be cleaned, and the dust removal rate is low.

Disclosure of Invention

Embodiments of the present invention provide a cleaning assembly and a cleaning robot to solve at least one technical problem as described above.

An embodiment of the present invention provides a cleaning assembly comprising:

a shaft body including a first end and a second end along an axial direction of the shaft body, the shaft body having a rotational axis;

A first adhesive tape which is spirally arranged on the circumferential side surface of the shaft body along the axial direction of the shaft body, extends from the first end to the second end, and is a first distance from the side edge of the circumferential side surface of the shaft body away from the rotation axis, wherein the first distance is kept unchanged from the first end to the second end;

the second adhesive tape, the second adhesive tape is followed the axis body axial is the heliciform and is established the circumference side of axis body and follow first end extends to the second end, the second adhesive tape includes interconnect's first section and second section, first section is kept away from the side of axis body circumference side with distance between the axis of rotation is the second distance, follow first end to the direction of second end, the second distance remains unchanged, the second section is kept away from the side of axis body circumference side with distance between the axis of rotation is the third distance, follow first end to the direction of second end, the third distance reduces gradually. In the above-mentioned clean subassembly, the first distance between the side of first adhesive tape far away axis body circumference side and the axis of rotation of axis body keeps unchanged from the direction of first end to the second end, the side of axis body circumference side is kept unchanged from the direction of first end to the second distance between the axis of rotation of axis body to the first section, make when clean subassembly work, whole first adhesive tape and first section can clean subaerial hair, hair etc. whole first adhesive tape and first section can contact with ground, the dust removal rate has been promoted, and the second section can make hair, hair etc. easily get into the dust collection mouth.

In certain embodiments, the first strip has a hardness that is less than the hardness of the second strip.

In some embodiments, the thickness of the first strip of adhesive decreases progressively in a direction radially of the shaft away from the shaft.

In some embodiments, the first strip of adhesive includes a first portion and a second portion, the first portion connecting the shaft and the second portion in a direction radially away from the shaft, the second portion having a thickness less than a thickness of the first portion.

In certain embodiments, the first strip comprises a third section and a fourth section that are connected to each other, the fourth section comprising a third portion and a fourth portion, the third portion connecting the shaft and the fourth portion in a direction radially away from the shaft, the fourth portion having a thickness that is less than a thickness of the third portion.

In some embodiments, the third section and the first section are disposed corresponding to each other in a circumferential direction of the shaft body, the fourth section and the second section are disposed corresponding to each other in the circumferential direction of the shaft body, and the shape of the third portion is the same as the shape of the second section.

In certain embodiments, the outer boundary line of the orthographic projection of the first and second strips together on a perpendicular to the rotation axis is 360 degrees around the rotation axis.

In some embodiments, the shaft body is provided with two first adhesive tapes and two second adhesive tapes, and the first adhesive tapes and the second adhesive tapes are alternately arranged along the circumferential direction of the shaft body.

In some embodiments, the cleaning assembly includes a bristle row disposed along the axial direction of the shaft in a spiral shape on a circumferential side of the shaft and extending from the first end to the second end, and at least one bristle row is disposed between adjacent one of the first and second strips.

In some embodiments, the cleaning assembly includes a first end cap, a support, and a stopper Mao Huan, the first end is provided with a protrusion along an axial direction of the shaft body, a bearing is sleeved on the protrusion, the support is mounted at the first end and connected to an outer ring of the bearing, the stopper Mao Huan is disposed on a circumferential side surface of the shaft body and separates the bearing from the first adhesive tape, and separates the bearing from the second adhesive tape, the support is provided with a through hole, and the first end cap is penetrated through the through hole and is fixedly connected to the protrusion.

In some embodiments, the circumferential side of the shaft body is provided with a first clamping groove and a second clamping groove, the first adhesive tape is connected with a first clamping strip, the second adhesive tape is connected with a second clamping strip, the first clamping strip is clamped in the first clamping groove to enable the first adhesive tape to be mounted on the circumferential side of the shaft body, and the second clamping strip is clamped in the second clamping groove to enable the second adhesive tape to be mounted on the circumferential side of the shaft body.

In some embodiments, the first slot defines a first opening in an end face of the second end and the second slot defines a second opening in an end face of the second end, and the cleaning assembly includes a second end cap mounted to the second end and closing the first opening and the second opening.

In certain embodiments, the shaft is a hollow structure.

A cleaning robot according to an embodiment of the present invention includes the cleaning assembly of any of the above embodiments.

In the cleaning robot, the first distance between the side edge of the circumferential side surface of the shaft body and the rotating axis of the shaft body is unchanged from the first end to the second end, the second distance between the side edge of the circumferential side surface of the shaft body and the rotating axis of the shaft body is unchanged from the first end to the second end, so that when the cleaning assembly works, the whole first adhesive tape and the first section can clean hair, hair and the like on the ground, the whole first adhesive tape and the first section can be in contact with the ground, the dust removal rate is improved, and the second section can enable the hair, the hair and the like to easily enter the dust collecting port.

In certain embodiments, the cleaning assembly is configured to be disposed parallel to the floor.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 to 3 are perspective views of a cleaning assembly according to an embodiment of the present invention;

FIG. 4 is a right side view of a cleaning assembly according to an embodiment of the present invention;

FIG. 5 is a front view of a cleaning assembly according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the cleaning assembly of FIG. 5 taken along line A-A;

FIG. 7 is another front view of a cleaning assembly according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of the cleaning assembly of FIG. 7 taken along line B-B;

FIG. 9 is a schematic view of the distance between the rotational axis of the shaft and the side of the first strip according to an embodiment of the present invention;

FIG. 10 is a schematic view of the distance between the axis of rotation of the shaft and the side of the second strip according to an embodiment of the present invention;

FIG. 11 is a schematic view of the first strip of the present embodiment when laid flat;

FIG. 12 is a schematic view of the structure of a second strip of an embodiment of the present invention when laid flat;

Fig. 13 to 14 are schematic structural views of the connection of the first adhesive tape and the first clip strip according to the embodiment of the present invention;

fig. 15 to 18 are schematic structural views of the connection of the second adhesive tape and the second clip according to the embodiment of the present invention;

FIG. 19 is another schematic view of the connection of the first adhesive strip and the first clip strip according to the embodiment of the present invention;

FIGS. 20-22 are schematic cross-sectional views of a first adhesive strip according to an embodiment of the present invention;

fig. 23 to 24 are front views of a cleaning assembly according to an embodiment of the present invention;

FIG. 25 is a right side view of a cleaning assembly according to an embodiment of the present invention;

FIG. 26 is a cross-sectional view of a cleaning assembly according to an embodiment of the present invention;

fig. 27 is a schematic illustration of the relationship between the orthographic projection of the adhesive strip of an embodiment of the present invention on a perpendicular to the axis of rotation of the shaft and the axis of rotation.

Description of main reference numerals:

the cleaning assembly 100, the shaft 12, the first strip 14, the second strip 16, the first end 18, the second end 20, the first section 22, the second section 24, the first section 26, the second section 28, the third section 30, the fourth section 32, the third section 34, the fourth section 36, the bristle row 38, the first end cap 40, the bracket 42, the stopper Mao Huan, the boss 46, the bearing 48, the through hole 50, the cap 52, the connection 54, the first clip groove 56, the second clip groove 58, the first clip 60, the second clip 62, the first opening 64, the second opening 66, the second end cap 68, the mounting groove 68, the body 70, the closure 72.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-8, a cleaning assembly 100 embodying the present invention includes a shaft 12, a first adhesive strip 14, and a second adhesive strip 16. The shaft 12 includes a first end 18 and a second end 20 along an axial direction of the shaft 12, the shaft 12 having an axis of rotation L. The first adhesive tape 14 is spirally arranged on the circumferential side surface of the shaft body 12 along the axial direction of the shaft body 12 and extends from the first end 18 to the second end 20, the distance between the side edge of the first adhesive tape 14 away from the circumferential side surface of the shaft body 12 and the rotation axis L of the shaft body 12 is a first distance D1, and the first distance D1 is kept unchanged from the first end 18 to the second end 20.

The second adhesive strip 16 is spirally disposed along the axial direction of the shaft body 12 on the circumferential side surface of the shaft body 12 and extends from the first end 18 to the second end 20, the second adhesive strip 16 comprises a first section 22 and a second section 24 which are connected with each other, the distance between the side edge of the first section 22 away from the circumferential side surface of the shaft body 12 and the rotation axis L of the shaft body 12 is a second distance D2, the second distance D2 is kept unchanged from the first end 18 to the second end 20, the distance between the side edge of the second section 24 away from the circumferential side surface of the shaft body 12 and the rotation axis L of the shaft body 12 is a third distance D3, and the third distance D3 gradually decreases from the first end 18 to the second end 20.

In the cleaning assembly 100, the first distance D1 between the side edge of the first adhesive tape 14 away from the circumferential side surface of the shaft body 12 and the rotation axis L of the shaft body 12 is kept unchanged from the first end 18 to the second end 20, the second distance D2 between the side edge of the first section 22 away from the circumferential side surface of the shaft body 12 and the rotation axis L of the shaft body 12 is kept unchanged from the first end 18 to the second end 20, so that when the cleaning assembly 100 works, the whole first adhesive tape 14 and the first section 22 can clean hair, hair and the like on the ground, the whole first adhesive tape 14 and the first section 22 can contact the ground, the dust removal rate is improved, and the second section 24 can enable the hair, the hair and the like to easily enter the dust collecting opening.

In particular, the cleaning assembly 100 may be applied to a cleaning robot. Cleaning robots include, but are not limited to, sweeping robots, sweeping machines, sweeping and mopping machines, double turntable sweeping machines, floor washing machines (e.g., hand-held floor washing machines), dust collectors, and the like.

The cleaning robot may include a housing having a receiving groove in a bottom surface thereof, the cleaning assembly 100 may be partially received in the receiving groove, and the first end 18 of the shaft 12 may be coupled to a motor in the housing such that the motor can drive the cleaning assembly 100 to rotate. When the cleaning robot is placed on the ground, the first adhesive tape 14 and the first section 22 can be in contact with the ground, the second section 24 can be separated from the ground by a certain distance to form a gap, and the side wall of the accommodating groove can be provided with a dust collecting opening which is close to the second end 20. Alternatively, the cleaning assembly 100 may act as a mid-sweep assembly.

When the cleaning robot works, the motor drives the cleaning assembly 100 to rotate around the rotation axis L, the first adhesive tape 14 and the first section 22 can collect slender sundries such as hair and hair, as the first adhesive tape 14 is spirally arranged on the circumferential side surface of the shaft body 12 along the axial direction of the shaft body 12 and extends from the first end 18 to the second end 20, the second adhesive tape 16 is spirally arranged on the circumferential side surface of the shaft body 12 along the axial direction of the shaft body 12 and extends from the first end 18 to the second end 20, and when the cleaning assembly 100 rotates, the first adhesive tape 14 and the second adhesive tape 16 can push the slender sundries from the first end 18 to the second end 20.

When the elongated debris (e.g., hair) is in a spiral around the outer edge of the strip from the first end 18 to the second end 20 to the second section 24, the third distance is reduced, and the elongated debris is spaced from the first section 22, the blower creates a negative pressure within the dust box, and the cleaning assembly 100 is positioned at about the outside of the dust collection opening at atmospheric pressure, thereby allowing the elongated debris to be more easily dislodged from the second section 24 and absorbed into the dust box through the dust collection opening. In the working process of the cleaning robot, when the first adhesive tape 14 is in contact with the ground and the first section 22 is in contact with the ground, the whole side edge of the first adhesive tape 14, which is far away from the circumferential side surface of the shaft body 12, can be in contact with the ground, the whole side edge of the first section 22, which is far away from the circumferential side surface of the shaft body 12, can be in contact with the ground, and the first adhesive tape 16 and the first section 22 can be supported outside the shaft body 12 on the premise that the elongated sundries are not influenced to be separated from the cleaning assembly 100, so that the elongated sundries are prevented from being wound on the shaft body 12, the dust removal rate and the particle recovery rate are improved as much as possible, and the cleaning effect is ensured. The second section 24 of the second adhesive strip 16 is spaced from the floor surface by a distance, and the second section 24 is effective to facilitate separation of elongated debris from the adhesive strip, and the first adhesive strip 14 and the second adhesive strip 16 complement each other to provide both anti-entanglement and dust removal capabilities of the cleaning assembly 100. The shaft body 12 is axially oriented along the rotation axis L of fig. 3.

Alternatively, the material of the first adhesive strip 14 and the material of the second adhesive strip 16 may be the same or different, which is not particularly limited. In one example, the material of the first and second strips 14, 16 is silicone.

Optionally, the first strip 14 is spaced a distance from the second strip 16.

The length of the first section 22 may be equal to or unequal to the length of the second section 24. When not equal, the length of the first section 22 may be greater than the length of the second section 24 (as shown in fig. 15-16), or may be less than the length of the second section 24 (as shown in fig. 17-18), which is not particularly limited herein. Optionally, the first distance D1 is equal to the second distance D2, and the maximum value of the third distance D3 is equal to the second distance D2.

The distance may be a perpendicular distance between the side and the rotation axis L of the shaft body 12, and the distance may be the same throughout the distance between the side and the rotation axis L of the shaft body 12, or may be a difference between two distances between the side and the rotation axis L of the shaft body 12 at two arbitrary positions within a desired range. The distance gradually decreases, and the distance may decrease continuously or stepwise.

The first distance D1 remains the same from the first end 18 to the second end 20. Referring to fig. 9, two points can be arbitrarily taken on the side of the first strip 14 away from the circumferential side of the shaft body 12: m1 and M2, the distance between M1 and the rotation axis L of the shaft body 12 is D11, the distance between M2 and the rotation axis L of the shaft body 12 is D12, d11=d12, or |d11-d12| is within a desired range.

The second distance D2 remains the same from the first end 18 to the second end 20. Referring to fig. 10, two points can be arbitrarily taken on the side of the first section 22 away from the circumferential side of the shaft body 12: n1 and N2, the distance between N1 and the rotation axis L of the shaft body 12 is D21, the distance between N2 and the rotation axis L of the shaft body 12 is D22, d21=d22, or |d21-d22| is within a desired range.

The third distance D3 gradually decreases in a direction from the first end 18 to the second end 20. Referring to fig. 10, two points may be taken on the side of the second section 24 away from the circumferential side of the shaft body 12: k1 and K2, K1 being closer to the first end 18, K2 being closer to the second end 20, the distance between K1 and the axis of rotation L of the shaft 12 being D31, the distance between K2 and the axis of rotation L of the shaft 12 being D32, D31> D32.

In one embodiment, referring to fig. 11, the planar shape of the first adhesive tape 14 when it is laid flat is rectangular, and it can be understood that the first adhesive tape 14 is not yet mounted on the shaft body 14. Referring to fig. 12, when the second adhesive strip 16 is laid flat, the planar shape of the first section 22 is rectangular, and the height of the second section 24 gradually decreases from the first end 18 to the second end 20, which is understood to be a state in which the second adhesive strip 16 is not yet mounted on the shaft 14.

Alternatively, the first adhesive strip 14 may be an integrally structured adhesive strip and the second adhesive strip 16 may be an integrally structured adhesive strip.

Optionally, the spiral line along which the first adhesive tape 14 spirals is the same as the spiral line along which the second adhesive tape 16 spirals, so that the space between the first adhesive tape 14 and the second adhesive tape 16 is more regular, which is beneficial to the collection of sundries.

In certain embodiments, the shaft 12 is a hollow structure.

Thus, the arrangement and the cruising of the cleaning robot 100 in space are facilitated, and the cost is reduced.

Specifically, the shaft body 12 of the cleaning assembly 100 is of a cantilever structure, only the first end 18 is connected with the motor of the cleaning robot, and the second end 20 is suspended to facilitate the separation of the slender sundries, so that compared with the shaft body of a solid structure, the shaft body 12 of the hollow structure is lighter in weight, the load generated at the cantilever end (the second end 20) is smaller, the service life of the cleaning assembly 100 is prolonged, meanwhile, the weight is lighter, the power of the output motor can be smaller, and the arrangement, the cruising and the cost reduction of the cleaning robot in space are facilitated.

In one embodiment, the first strip 14 has a hardness that is less than the hardness of the second strip 16.

In this way, the first glue strip 14 is more flexible, reducing the resistance when the cleaning robot is moving.

Specifically, when the cleaning robot is placed on the ground, the whole side edge of the first adhesive tape 14 away from the circumferential side surface of the shaft body 12 is in contact with the ground, a part (the first section 22) of the second adhesive tape 16 is in contact with the ground, and the hardness of the first adhesive tape 14 is smaller than that of the second adhesive tape 16, so that the first adhesive tape 14 is easier to bend than the second adhesive tape 16, and further the resistance of the cleaning robot during movement can be reduced, and the cleaning efficiency is improved. The first adhesive tape 14 which is easy to bend can form a larger contact area with the ground, so that more sundries can be cleaned.

In one example, the first strip 14 has a hardness of 40 degrees and the second strip 16 has a hardness of 60 degrees. It will be appreciated that the present invention is not specifically limited in the number of hardness of the first strip 14 and the second strip 16.

In some embodiments, referring to fig. 13 and 14, the thickness T1 of the first adhesive strip 14 gradually decreases in a direction away from the shaft 12 along a radial direction of the shaft 12.

Thus, the first adhesive tape 14 is smaller in thickness at the part contacting the ground, is easier to bend, and reduces the resistance when the cleaning robot moves.

Specifically, the thickness T1 of the first adhesive tape 14 gradually decreases along the radial direction of the shaft body 12 in a direction away from the shaft body 12, so that the thickness T1 of the first adhesive tape 14 from the root to the end gradually decreases, the thickness of the root is larger, the connection with the shaft body 12 can be more stable, the thickness of the end is smaller, the end is easier to bend when the end contacts the ground, and the resistance of the cleaning robot during movement is reduced. The radial direction of the shaft body 12 is perpendicular to the axial direction of the shaft body 12.

In other embodiments, the thickness T1 of the first adhesive strip 14 is constant in the radial direction of the shaft 12 away from the shaft 12, i.e., the first adhesive strip 14 is an equal thickness adhesive strip. The thickness of the second adhesive strip 16 may be the same as or different from the thickness of the first adhesive strip 14, which is not particularly limited in the present invention.

In certain embodiments, referring to fig. 19-22, the first strip 14 includes a first portion 26 and a second portion 28, the first portion 26 connecting the shaft 12 and the second portion 28 in a direction radially away from the shaft 12, the thickness T2 of the second portion 28 being less than the thickness T3 of the first portion 26.

In this way, the thickness T2 of the second portion 28 is smaller, more flexible, reducing the resistance to movement of the cleaning robot.

Specifically, along the radial direction of the shaft body 12 away from the shaft body 12, the first portion 26 connects the shaft body 12 and the second portion 28, the second portion 28 serves as a portion of the first adhesive tape 14 contacting the ground, the first portion 26 serves as a portion of the first adhesive tape 14 connected to the shaft body 12, the thickness T3 of the first portion 26 is larger, connection with the shaft body 12 can be more stable, the thickness T2 of the second portion 28 is smaller, the second portion 28 is easier to bend when the second portion 28 contacts the ground, and resistance when the cleaning robot moves is reduced.

In some embodiments, the thickness of the second adhesive strip 16 may be the same as or different from the thickness of the first adhesive strip 14, which is not particularly limited in the present invention.

In certain embodiments, referring to fig. 23 and 25, the first strip 14 includes a third segment 30 and a fourth segment 32 that are connected to each other, the fourth segment 32 includes a third portion 34 and a fourth portion 36, the third portion 34 connects the shaft 12 and the fourth portion 36 in a direction radially away from the shaft 12, and the fourth portion 36 has a thickness that is less than the thickness of the third portion 34.

In this way, the first adhesive tape 14 can be thinned, and the resistance when the cleaning robot moves can be reduced.

Specifically, when the cleaning robot is placed on the floor, both the third section 30 and the fourth section 32 are in contact with the floor. Along the direction that the shaft body 12 is radially far away from the shaft body 12, the third part 34 is connected with the shaft body 12 and the fourth part 36, the fourth part 36 is used as a part of the fourth section 32 which is in contact with the ground, the third part 34 is used as a part of the fourth section 32 which is connected with the shaft body 12, the thickness of the third part 34 is larger, the connection with the shaft body 12 can be more stable, the thickness of the fourth part 36 is smaller, the fourth part 36 is easier to bend when the fourth part 36 is in contact with the ground, and the resistance when the cleaning robot moves is reduced. The fourth portion 36 may be provided in the manner shown in figures 20 to 22. Alternatively, the third section 30 may be of uniform thickness or may be of graded thickness.

Alternatively, the length of the third section 30 may be greater than or less than or equal to the length of the fourth section 32, not specifically defined herein.

It should be noted that when the thickness of a portion is gradual, the thickness of the portion may be characterized by the average thickness of the portion.

In some embodiments, the thickness of the second adhesive strip 16 may be the same as or different from the thickness of the first adhesive strip 14, which is not particularly limited in the present invention.

In certain embodiments, referring to fig. 23 and 24, the third segment 30 is disposed corresponding to the first segment 22 along the circumferential direction C1 of the shaft body 12, the fourth segment 32 is disposed corresponding to the second segment 24 along the circumferential direction C1 of the shaft body 12, and the shape of the third portion 34 is the same as the shape of the second segment 24.

Therefore, the long and thin sundries such as hair, hair and the like can be collected more effectively, and the cleaning effect is improved.

Specifically, when the cleaning robot is placed on the floor, the fourth section 32 is bent by the floor, and a certain gap exists between a portion of the bent fourth section 32 and the floor. The gap between the bent fourth section 32 and the ground and the gap between the second section 24 and the ground correspond in the circumferential direction C1 of the shaft body 12. When the cleaning assembly 100 is rotated, the first and second strips 14, 16 have substantially the same shape, making it easier for the elongate debris to fall off the strips.

In certain embodiments, referring to fig. 27, the outer boundary line of the orthographic projection P2 of the first and second strips 14, 16 together on the perpendicular plane P1 of the rotation axis L is 360 degrees around the rotation axis L.

Thus, the dust removal rate can be further improved.

Specifically, the orthographic projection P2 of the first adhesive tape 14 and the second adhesive tape 16 on the perpendicular plane P1 of the rotation axis L together, it is understood that the first adhesive tape 14 and the second adhesive tape 16 provided on the shaft body 12 are as a whole, and the orthographic projection P2 of the whole on the perpendicular plane P1 of the rotation axis L. When the cleaning assembly 100 rotates around the rotation axis L, at different angles in the rotation direction, the cleaning assembly 100 always has the adhesive tape (the first adhesive tape 14 or the first section 22) contacting the floor, so that the area of missed cleaning is reduced, and the dust removal rate is further improved.

In one embodiment, the shaft 12 may be provided with a first adhesive strip 14 and a second adhesive strip 16, where the first adhesive strip 14 may be disposed spirally around the first angle in the circumferential direction C1 of the shaft 12, and the second adhesive strip 16 may be disposed spirally around the second angle in the circumferential direction C1 of the shaft 12. Wherein the first angle may be less than or equal to or greater than 360 degrees. The second angle may be less than or equal to or greater than 360 degrees. When the first angle and the second angle are both smaller than 360 degrees, the sum of the first angle and the second angle is equal to or larger than 360 degrees.

In one embodiment, the shaft 12 may be provided with a first adhesive strip 14 and a plurality of second adhesive strips 16, and the first adhesive strip 14 may be located between two adjacent second adhesive strips 16 along the circumferential direction C1 of the shaft 12. The first strips 14 may be disposed helically around the shaft 12 at a first angle in the circumferential direction C1, and each of the second strips 16 may be disposed helically around the shaft 12 at a second angle in the circumferential direction C1. Wherein the first angle may be less than or equal to or greater than 360 degrees. The second angle may be less than or equal to or greater than 360 degrees. When the first angle and the second angle are both smaller than 360 degrees, the sum of the first angle and all the second angles is equal to or larger than 360 degrees. Plural may mean two or more than two.

In one embodiment, the shaft 12 may be provided with a plurality of first adhesive strips 14 and a second adhesive strip 16, and the second adhesive strip 16 may be located between two adjacent first adhesive strips 14 along the circumferential direction C1 of the shaft 12. Each first strip 14 may be disposed helically around the shaft 12 at a first angle in the circumferential direction C1 and each second strip 16 may be disposed helically around the shaft 12 at a second angle in the circumferential direction C1. Wherein the first angle may be less than or equal to or greater than 360 degrees. The second angle may be less than or equal to or greater than 360 degrees. When the first angle and the second angle are both smaller than 360 degrees, the sum of all the first angles and the second angles is equal to or larger than 360 degrees.

In one embodiment, the shaft 12 may be provided with a plurality of first adhesive strips 14 and a plurality of second adhesive strips 16, alternatively, the first adhesive strips 14 and the second adhesive strips 16 may be alternately arranged along the circumferential direction C1 of the shaft 12. Each first strip 14 may be disposed helically around the shaft 12 at a first angle in the circumferential direction C1 and each second strip 16 may be disposed helically around the shaft 12 at a second angle in the circumferential direction C1. Wherein the first angle may be less than or equal to or greater than 360 degrees. The second angle may be less than or equal to or greater than 360 degrees. When the first angle and the second angle are both smaller than 360 degrees, the sum of all the first angles and all the second angles is equal to or larger than 360 degrees. Plural may mean two or more than two.

It will be appreciated that the manner in which the first strip 14 and the second strip 16 are disposed with respect to each other is not particularly limited in the present invention.

In some embodiments, the shaft 12 is provided with two first adhesive strips 14 and two second adhesive strips 16, and the first adhesive strips 14 and the second adhesive strips 16 are alternately arranged along the circumferential direction C1 of the shaft 12.

Thus, the dust removal rate can be further improved.

Specifically, along the circumferential direction C1 of the shaft body 12, the first adhesive strips 14 and the second adhesive strips 16 are alternately arranged, on one hand, four adhesive strips are arranged on the shaft body 12, when the cleaning assembly 100 rotates, the frequency of the adhesive strips contacting with the ground can be increased, the cleaning effect is improved, and on the other hand, along the circumferential direction C1 of the shaft body 12, the first adhesive strips 14 and the second adhesive strips 16 are alternately arranged, so that the first adhesive strips 14 between two adjacent second adhesive strips 16 can clean slender sundries, dust, particles and the like falling from the second section 24 of the second adhesive strips 16, the dust removal rate is further improved, the leakage is reduced, and the cleaning effect is improved.

In fig. 4, four strips are arranged at regular intervals along the circumferential direction C1 of the shaft body 12, i.e. the angle of interval between two adjacent strips is 90 degrees. The direction of rotation of the cleaning assembly 100 may be along the circumferential direction C1 of the shaft 12. Each first strip 14 is helically arranged at 90 degrees around the circumferential direction C1 of the shaft body 12. Each second strip 16 is helically arranged at 90 degrees around the circumferential direction C1 of the shaft body 12.

In certain embodiments, the cleaning assembly 100 includes bristle rows 38, the bristle rows 38 being disposed axially along the shaft 12 helically on a circumferential side of the shaft 12 and extending from the first end 18 to the second end 20, at least one bristle row 38 being disposed between adjacent ones of the first strips 14 and second strips 16.

Thus, the dust removal rate can be improved.

In particular, the bristle rows 38 are beneficial for cleaning purposes because the strips do not contact the ground surface as a result of the greater friction with the ground surface. The bristle row 38 can make up for the point, the bristle row 38 can be contacted with the ground in a larger area, and dust, particles and the like on the ground can be cleaned, so that the dust removal rate is improved. The bristle row 38 is disposed on a circumferential side of the shaft 12 in a spiral shape and extends from the first end 18 to the second end 20, and debris swept by the bristle row 38 can be pushed from the first end 18 to the second end 20 by the bristle row 38 as the cleaning assembly 100 rotates, and can be sucked into the dust collection port as the debris reaches the vicinity of the dust collection port.

Optionally, the spiral line along which the bristle row 38 spirals is the same as the spiral line along which the first adhesive tape 14 spirals and the spiral line along which the second adhesive tape 16 spirals, so that the space between the bristle row 38 and the second adhesive tape 16 is more regular, and the space between the bristle row 38 and the first adhesive tape 14 is more regular, which is beneficial to the collection of sundries.

In fig. 4, a row of bristles 38 is provided between adjacent ones of the first strips 14 and the second strips 16. It will be appreciated that the present invention is not particularly limited in the number of rows of bristles 38 disposed between adjacent ones of the first strips 14 and the second strips 16.

In some embodiments, the cleaning assembly 100 includes a first end cap 40, a bracket 42 and a stopper Mao Huan, the first end 18 is provided with a protrusion 46 along the axial direction of the shaft body 12, the protrusion 46 is sleeved with a bearing 48, the bracket 42 is mounted on the first end 18 and is connected with an outer ring of the bearing 48, the stopper hair ring 44 is arranged on a circumferential side surface of the shaft body 12 and separates the bearing 48 and the first adhesive tape 14, and separates the bearing 48 and the second adhesive tape 16, the bracket 42 is provided with a through hole 50, and the first end cap 40 is fixedly connected with the protrusion 46 through the through hole 50.

In this way, it is possible to prevent foreign matter from entering the bearing 48 to cause failure of the bearing 48.

Specifically, the hair blocking ring 44 is provided on the circumferential side of the shaft body 12 and separates the bearing 48 and the first adhesive tape 14, and separates the bearing 48 and the second adhesive tape 16. As the cleaning assembly 100 rotates, debris caught or swept by the glue strips, bristles may accidentally fall into the bearings 48, causing damage to the bearings 48. The retaining ring 44 can shield the impurities from falling into the bearing 48 to prevent the bearing 48 from failure.

The first end cap 40 may be detachably coupled to the motor output shaft of the cleaning robot, and the first end cap 40 and the motor output shaft are relatively non-rotatable when the first end cap 40 is coupled to the motor output shaft. In fig. 26, the first end cap 40 has a cap 52 and a connecting portion 54, the connecting portion 54 is provided on one side of the cap 52, and the cap 52 is located in the through hole 50. The connecting portion 54 is non-cylindrical, specifically, in fig. 3, the connecting portion 54 is square, and the output shaft may be provided with a connecting hole matching the shape of the connecting portion 54. The connection portion 54 is located in the connection hole.

The protruding portion 46 may penetrate through an inner ring of the bearing 48 and be fixedly connected with the inner ring of the bearing 48. The cover 52 is fixedly connected to the boss 46. In fig. 3, the first end cap 40 is fixedly attached to the boss 46 by a screw.

In some embodiments, the circumferential side of the shaft body 12 is provided with a first clamping groove 56 and a second clamping groove 58, the first adhesive tape 14 is connected with a first clamping strip 60, the second adhesive tape 16 is connected with a second clamping strip 62, the first clamping strip 60 is clamped in the first clamping groove 56 to enable the first adhesive tape 14 to be mounted on the circumferential side of the shaft body 12, and the second clamping strip 62 is clamped in the second clamping groove 58 to enable the second adhesive tape 16 to be mounted on the circumferential side of the shaft body 12.

Thus, the adhesive tape can be installed by utilizing the matching of the clamping strip and the clamping groove.

Specifically, the first and second clamping grooves 56, 58 are each helically disposed on a circumferential side of the shaft body 12 and extend from the first end 18 to the second end 20. The spiral shape of the first detent 56 defines the spiral shape of the first strip 14 and the spiral shape of the second detent 58 defines the spiral shape of the second strip 16. Alternatively, the spiral shape of the corresponding first and second detents 56, 58 may be designed according to the spiral shape of the first and second strips 14, 16.

The first adhesive tape 14 is connected with the first clamping strip 60 to form a T-shaped structure, the second adhesive tape 16 is connected with the second clamping strip 62 to form a T-shaped structure, and the shape of the clamping groove is matched with that of the T-shaped structure, so that the adhesive tape is mounted on the shaft body 12 through the matching of the clamping strip and the clamping groove, and the adhesive tape can be prevented from falling off from the shaft body 12 when the cleaning assembly 100 rotates.

Alternatively, the first adhesive strip 14 and the first clip strip 60 may be connected in a unitary structure, and the second adhesive strip 16 and the second clip strip 62 may be connected in a unitary structure. Thus, the slender sundries such as hair can be prevented from being gathered in the clamping groove, and further the winding can be removed.

In certain embodiments, the first slot 56 defines a first opening 64 in an end surface of the second end 20, the second slot 58 defines a second opening 66 in an end surface of the second end 20, and the cleaning assembly 100 includes a second end cap 68, the second end cap 68 being mounted to the second end 20 and closing the first opening 64 and the second opening 66.

In this way, the clip strip is prevented from being removed from the shaft body 12 from the opening of the clip groove.

Specifically, in fig. 4, four adhesive strips are provided on the shaft body 12: the two first adhesive strips 14 and the two second adhesive strips 16, the first adhesive strips 14 and the second adhesive strips 16 being alternately arranged along the circumferential direction C1 of the shaft body 12. Correspondingly, the shaft body 12 is provided with four clamping grooves: the two first card grooves 56 and the two second card grooves 58, the first card grooves 56 and the second card grooves 58 being alternately arranged along the circumferential direction C1 of the shaft body 12. The four clamping grooves are respectively provided with four openings on the end face of the second end 20: two first openings 64 and two second openings 66. The slot does not have an opening at the first end 18, i.e., one end of the strip and strip may abut against one end sidewall of the slot.

The second end 20 is provided with a mounting slot 68, the mounting slot 68 being in communication with the clamping slot. Referring to fig. 1 and 4, the second end cap 68 includes a body 70 and four closing portions 72, and the four closing portions 72 are connected to the periphery of the body 70 at intervals. The body 70 can be located in the mounting groove 68, and four closing portions 72 respectively close four openings, so that the other ends of the clamping strips and the adhesive tapes can be propped against the closing portions 72, and then the clamping strips can be limited in the clamping groove, so that the clamping strips are prevented from being separated from the shaft body 12 from the openings of the clamping groove, and then the adhesive tapes are prevented from being separated from the shaft body 12.

When the adhesive tape is installed, the second end cover 68 can be separated from the second end 20, and one end of the adhesive tape structure formed by connecting the adhesive tape and the clamping strip can extend into the clamping groove from the opening and continuously push into the clamping groove towards the first end 18 until the end of the adhesive tape structure abuts against the side wall of the clamping groove. The opening of the clamping groove can then be closed with the second end cap 68, with the second end cap 68 abutting the other end of the strip structure. In the process of continuously pushing the adhesive tape structure into the clamping groove, the adhesive tape structure is screwed by the clamping groove which is spirally arranged, so that the adhesive tape structure is in a spiral shape.

A cleaning robot according to an embodiment of the present invention includes the cleaning assembly 100 of any of the above embodiments.

In the above-mentioned cleaning robot, the first distance D1 between the side edge of the circumferential side of the first adhesive tape 14 away from the shaft body 12 and the rotation axis L of the shaft body 12 is unchanged from the first end 18 to the second end 20, the first section 22 is kept away from the second distance D2 between the side edge of the circumferential side of the shaft body 12 and the rotation axis L of the shaft body 12 from the first end 18 to the second end 20, so that when the cleaning assembly 100 works, the entire first adhesive tape 14 and the first section 22 can clean the hair, etc. on the ground, the entire first adhesive tape 14 and the first section 22 can contact the ground, the dust removal rate is improved, and the second section 24 can make the hair, etc. easy to enter the dust collecting port.

In certain embodiments, the cleaning assembly 100 is configured to be disposed parallel to the floor.

In this way, the occupation of the cleaning assembly 100 to the inner space of the cleaning robot in the height direction can be reduced.

In particular, in the present invention, the entire external appearance of the cleaning assembly 100 is approximately cylindrical, the cleaning assembly 100 is configured to be disposed parallel to the floor, and occupation of the cleaning assembly 100 to the inner space of the cleaning robot in the height direction can be reduced, facilitating arrangement of other components inside the cleaning robot. When the cleaning assembly 100 is disposed parallel to the floor, the axis of rotation L of the shaft 12 is parallel to the floor.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many variations, combinations, modifications, substitutions and alterations of these embodiments may be made without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. A cleaning assembly, comprising:

a shaft body including a first end and a second end along an axial direction of the shaft body, the shaft body having a rotational axis;

a first adhesive tape which is spirally arranged on the circumferential side surface of the shaft body along the axial direction of the shaft body, extends from the first end to the second end, and is a first distance from the side edge of the circumferential side surface of the shaft body away from the rotation axis, wherein the first distance is kept unchanged from the first end to the second end;

the second adhesive tape, the second adhesive tape is followed the axis body axial is the heliciform and is established the circumference side of axis body and follow first end extends to the second end, the second adhesive tape includes interconnect's first section and second section, first section is kept away from the side of axis body circumference side with distance between the axis of rotation is the second distance, follow first end to the direction of second end, the second distance remains unchanged, the second section is kept away from the side of axis body circumference side with distance between the axis of rotation is the third distance, follow first end to the direction of second end, the third distance reduces gradually.

2. The cleaning assembly of claim 1, wherein the first adhesive strip has a hardness that is less than a hardness of the second adhesive strip.

3. The cleaning assembly of claim 1, wherein the thickness of the first strip of adhesive decreases progressively in a direction radially of the shaft away from the shaft.

4. The cleaning assembly of claim 1, wherein the first strip of adhesive includes a first portion and a second portion, the first portion connecting the shaft and the second portion in a direction radially away from the shaft, the second portion having a thickness less than a thickness of the first portion.

5. The cleaning assembly of claim 1, wherein the first strip of adhesive includes third and fourth segments connected to each other, the fourth segment including third and fourth portions, the third portion connecting the shaft and the fourth portion in a direction radially away from the shaft, the fourth portion having a thickness less than a thickness of the third portion.

6. The cleaning assembly of claim 5, wherein the third section is disposed in correspondence with the first section along a circumferential direction of the shaft, the fourth section is disposed in correspondence with the second section along a circumferential direction of the shaft, and the third portion is the same shape as the second section.

7. The cleaning assembly of claim 1, wherein an outer boundary line of an orthographic projection of the first and second adhesive strips together on a perpendicular to the axis of rotation is 360 degrees around the axis of rotation.

8. The cleaning assembly of claim 1, wherein two of the first adhesive strips and two of the second adhesive strips are provided on the shaft body, and the first adhesive strips and the second adhesive strips are alternately arranged along the circumferential direction of the shaft body.

9. The cleaning assembly of claim 8, including a row of bristles disposed axially along said shaft helically on a circumferential side of said shaft and extending from said first end to said second end, at least one of said rows of bristles being disposed between adjacent ones of said first and second strips.

10. The cleaning assembly of claim 1, comprising a first end cap, a bracket and a retainer Mao Huan, wherein the first end is provided with a protrusion axially along the shaft, the protrusion is sleeved with a bearing, the bracket is mounted on the first end and connected to an outer ring of the bearing, the retainer Mao Huan is disposed on a circumferential side of the shaft and separates the bearing from the first adhesive strip, and separates the bearing from the second adhesive strip, the bracket is provided with a through hole, and the first end cap is fixedly connected to the protrusion through the through hole.

11. The cleaning assembly of claim 1, wherein the circumferential side of the shaft is provided with a first clamping groove and a second clamping groove, the first adhesive strip is connected with a first clamping strip, the second adhesive strip is connected with a second clamping strip, the first clamping strip is clamped in the first clamping groove to enable the first adhesive strip to be mounted on the circumferential side of the shaft, and the second clamping strip is clamped in the second clamping groove to enable the second adhesive strip to be mounted on the circumferential side of the shaft.

12. The cleaning assembly of claim 11, wherein the first slot defines a first opening in an end face of the second end and the second slot defines a second opening in an end face of the second end, the cleaning assembly including a second end cap mounted to the second end and closing the first and second openings.

13. The cleaning assembly of any one of claims 1-12, wherein the shaft is a hollow structure.

14. A cleaning robot comprising a cleaning assembly according to any one of claims 1-13.

15. The cleaning robot of claim 14, wherein the cleaning assembly is configured to be disposed parallel to a floor surface.