WO2023179214A1

WO2023179214A1 - Rolling brush and cleaning apparatus

Info

Publication number: WO2023179214A1
Application number: PCT/CN2023/074528
Authority: WO
Inventors: 郭振科; 夏苏宇
Original assignee: 追觅创新科技(苏州)有限公司
Priority date: 2022-03-25
Filing date: 2023-02-06
Publication date: 2023-09-28
Also published as: CN217408704U

Abstract

A rolling brush, which is configured to come into contact with a surface to be cleaned. The rolling brush comprises: a rolling brush body (1); an elastic member (2), which covers an outer circumferential face of the rolling brush body (1) and extends in the axial direction of the rolling brush body (1), cavities (3) being formed in the elastic member (2); and a cleaning member (5), which at least partially covers the outer circumferential face of the elastic member (2). When the rolling brush is subjected to an external force, the elastic member (2) deforms in a forced direction, so as to adjust the contact area between the cleaning member (5) and the surface to be cleaned. The elastic member (2) can increase the amount of deformation of the rolling brush, and the rolling brush is subjected, under self-gravity, to an upward supporting force from the surface to be cleaned, so that the elastic member (2) deforms, and the linear contact between the rolling brush and said surface is thus converted into surface contact, thereby increasing the scrubbing area; and the rolling brush cannot stall due to bouncing in the forced direction when transitioning between surfaces to be cleaned of different heights or materials, such that the transition of the rolling brush between the different surfaces to be cleaned is smoother.

Description

Roller brushes and cleaning equipment

This disclosure claims priority to the following patent application: a Chinese patent application filed with the China Patent Office on March 25, 2022, with application number 202220678442.1 and an invention name of "Rolling Brush and Cleaning Equipment". The entire content of the above patent application is incorporated by reference. incorporated in this disclosure.

【Technical field】

The utility model belongs to the technical field of cleaning equipment, and specifically relates to a roller brush and cleaning equipment.

【Background technique】

With the development of science and technology, various smart homes emerge in endlessly. The quality of life of users continues to improve with the emergence of smart homes. Especially floor cleaning equipment, which greatly reduces the user's workload and improves efficiency. Floor cleaning equipment is the most important at work. The functional component of the machine is its roller brush. The effective area of contact between the roller brush and the ground affects the cleaning effect of the floor cleaning equipment.

When the existing floor cleaning equipment is mopping the floor, the deformation of the roller brush is small, it is easy to block, and the contact between the roller brush and the ground is linear, so the scrubbing area is small.

In addition, when the wiper strip on the floor cleaning equipment is wiping, due to the limited deformation of the roller brush, the deformation of the roller brush is small, and the resistance between the roller brush and the wiper strip will damage the external cleaning parts.

[Content of the invention]

In order to solve the above technical problems, the utility model provides a roller brush for contacting with the surface to be cleaned, including:

Roller brush body;

An elastic member covers the outer circumferential surface of the brush roller body and extends along the axial direction of the brush roller body, with a cavity formed in the elastic member; and

A cleaning member, at least partially covering the outer circumferential surface of the elastic member;

Wherein, when the roller brush is acted upon by an external force, the elastic member deforms in the force-receiving direction to adjust the contact area between the cleaning member and the surface to be cleaned.

Preferably, the number of the above-mentioned cavities is several, and two adjacent ones arranged in the circumferential direction Spoke ribs are provided between the cavities.

Preferably, the spoke ribs extend in a first direction from an end close to the brush roller body to an end far away from the brush roller body, and the extension line in the first direction forms an angle of at least 10° with the brush roller body. At an acute angle, the first direction is opposite to the rotation direction of the roller brush.

Preferably, the above-mentioned spoke ribs extend in a first direction from an end close to the roller brush body to an end far away from the roller brush body and are tangent to the roller brush body, and the first direction is consistent with the direction of the roller brush body. The direction of rotation is opposite.

Preferably, the above-mentioned spoke ribs are bent in a first direction and in an arc shape from an end close to the roller brush body to an end far away from the roller brush body, and the first direction is opposite to the rotation direction of the roller brush. .

Preferably, the above-mentioned cavity is filled with a filler, and the filler is one of gas, liquid, and solid.

Preferably, the plurality of spoke ribs are arranged at equal intervals.

The utility model also provides a cleaning equipment, including:

organism;

The roller brush as described in any one of the above items is installed on the body.

Preferably, the above-mentioned cleaning device includes a wiper strip pressed against the roller brush.

Preferably, in the forward direction of the cleaning device, the projection of the wiper strip is between the lowest end of the roller brush body and the central axis.

The technical solution provided by the utility model has the following advantages: the roller brush of the present application is provided with an elastic member with a cavity between the cleaning part and the roller brush body to increase the deformation amount of the roller brush. , receiving the upward support force from the surface to be cleaned, the elastic member is acted upon by the support force and deforms along the direction of the support force, so that the contact between the roller brush and the surface to be cleaned changes from linear contact to surface contact. , thereby increasing the contact area between the roller brush and the surface to be cleaned, that is, increasing the scrubbing area. At the same time, the elastic member with the cavity increases the deformation amount of the roller brush, so that when the roller brush transitions between surfaces to be cleaned of different heights or materials, it will not bounce up in the direction of the force, thus blocking the rotor. The roller brush makes a smoother transition between surfaces to be cleaned of different heights or materials.

[Picture description]

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the specific embodiments or the prior art will be briefly introduced below. It is obvious that the drawings in the following description The drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic cross-sectional structural view of the roller brush according to Embodiment 1 of the present utility model;

Figure 2 is a schematic side cross-sectional structural diagram of the roller brush shown in Figure 1 deformed by external force;

Figure 3 is a schematic side cross-sectional structural diagram of the roller brush deformed by external force in Embodiment 2 of the present invention;

Figure 4 is a schematic structural diagram of the spoke ribs being tangent to the roller brush body in one of the embodiments of Embodiment 2 of the present invention;

Figure 5 is a schematic structural diagram of the spoke ribs bent into an arc shape in one of the embodiments of Embodiment 2 of the present invention.

Explanation of reference symbols:

1-Rolling brush body; 2-Elastic parts; 3-Cavity; 4-Spoke ribs; 5 Cleaning parts.

【Detailed ways】

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The present application will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, as long as there is no conflict, the embodiments and features in the embodiments of this application can be combined with each other.

It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

In this application, unless otherwise specified, the directional words used such as "upper, lower, top, and bottom" usually refer to the direction shown in the drawings, or to the vertical or vertical position of the component itself. Vertically or in the direction of gravity; similarly, for ease of understanding and description, "inside and outside" refers to the inside and outside relative to the outline of each component itself, but the above directional terms are not used to limit this application.

Example 1

This embodiment provides a roller brush for contacting the surface to be cleaned. Please refer to FIG. 1 . The roller brush includes a roller brush body 1 , an elastic member 2 and a cleaning member 5 . The elastic member 2 covers the outer circumferential surface of the brush roller body 1 and extends along the axial direction of the brush roller body 1. A cavity 3 is formed in the elastic member 2. The cleaning member 5 at least partially covers the outer circumferential surface of the elastic member 2 . When the roller brush is acted upon by an external force, the elastic member 2 deforms in the direction of the force to adjust the contact area between the cleaning member 5 and the surface to be cleaned. It should be noted that the cavity 3 can be filled with filler, such as gas, liquid, a mixture of gas and liquid, or elastic material, to improve the strength of the roller brush. In this embodiment, the filling material in the cavity 3 is air, helium, nitrogen, etc. under standard atmospheric pressure. In other embodiments, the cavity 3 can also be filled with cooling liquid to cool the high temperature generated when the roller brush rotates at high speed. In other embodiments, the cavity 3 can also be filled with solid supports, such as rubber pillars, to avoid excessive deformation of the elastic member 2 .

The roller brush body 1 and the cleaning parts 5 adopt existing technology. In order to facilitate rolling during use, the roller brush body 1 is configured as a cylinder. In this embodiment, in order to save costs and reduce weight, the brush body 1 includes a hollow cylinder and end caps (not numbered) embedded on both ends of the cylinder. In other embodiments, the roller brush body 1 can also be a cylinder with a solid interior or only opening ports at the left and right ends, which can be adjusted according to design requirements. In this embodiment, the cleaning member 5 is a flannel cloth that can perform a cleaning function. In other embodiments, the cleaning member 5 can be other components that have a cleaning function on the surface to be cleaned, such as brushes, tops, leather strips, etc. The cleaning element 5 can be set on the outside of the elastic element 2 by means of glue or Velcro. Wrapping the cleaning element 5 on the cylinder is an existing technology and will not be described in detail here.

When in use, when the roller brush is cleaning the surface to be cleaned, due to the gravity of the roller brush, the roller brush is supported by the surface to be cleaned. At the same time, when the roller brush rotates to move on the surface to be cleaned, , it will also be subject to the friction force generated by the surface to be cleaned, causing the elastic member 2 on the roller brush to deform in the direction of the support force of the surface to be cleaned on the roller brush and the friction force, so that the relationship between the roller brush and the surface to be cleaned is The contact between the roller brushes changes from linear contact to surface contact, thereby increasing the contact area between the roller brush and the surface to be cleaned, that is, increasing the scrubbing area to improve the cleaning efficiency of the roller brush.

Compared with the prior art, since the roller brush substrate in the prior art is made of hard material, when the roller brush is cleaning the surface to be cleaned, it only relies on the deformation of the cleaning piece itself to fit the surface to be cleaned. When in use, when the roller brush transitions between surfaces to be cleaned of different materials or heights, such as transitioning from a hard floor to a carpet surface, or passing through steps, the roller brush may easily jump due to insufficient deformation. This causes the roller brush to block. The roller brush in this embodiment is provided with an elastic member 2 with a cavity 3, which increases the deformation amount of the roller brush, so that the roller brush in this embodiment transitions between surfaces to be cleaned of different heights or materials. , will not bounce up in the direction of force, thereby preventing the roller brush from blocking, making the transition process between the roller brush and the surfaces to be cleaned of different heights or materials smoother.

In this embodiment, the end surface of the elastic member 2 slightly protrudes from the end surface of the cleaning member, and protrusions (not numbered) are formed on both ends of the elastic member 2 along its radial direction. The protrusions are tightly Attached to the end surface of the cleaning member 5 to fix the cleaning member 5 in the protrusions at both ends of the elastic member 2 to limit the movement of the cleaning member 5 relative to the elastic member 2 along the axis direction of the elastic member 2, so that the elastic member 2 , the structure of the roller brush body 1 and the cleaning part 5 is more stable after the assembly is completed, so as to prevent the cleaning part 5 from detaching from the elastic member 2 under the action of external force, affecting the use of the roller brush. In other embodiments, the end surfaces of the elastic member 2 , the roller brush body 1 and the cleaning member 5 can also be arranged on the same surface to prevent hair, dust, etc. from entering the elastic member 2 and the roller brush body 1 when the roller brush is in use. And the gap between the end faces of the cleaning parts 5 produces secondary pollution on the surface to be cleaned, thereby improving cleaning efficiency. The specific arrangement structure of the elastic member 2, the roller brush body 1 and the cleaning member 5 can be selected and adjusted according to the design requirements, and no examples are given here.

Example 2

This embodiment provides a roller brush. Please refer to Figure 3. The roller brush is a roller brush installed on a floor washing machine for cleaning floors or carpets. Of course, in other embodiments, the roller brush can also be installed on other equipment. or used to clean other surfaces to be cleaned. The following is an example of a roller brush installed on a floor washing machine for cleaning floors or carpets.

In this embodiment, the structure of the roller brush is similar to that of the roller brush in Embodiment 1. The difference is that the number of cavities 3 is several, and spoke ribs 4 are provided between two adjacent cavities 3 in the circumferential direction. . By arranging several spoke ribs 4 in the cavity 3 of the roller brush, the elastic member 2 has several cavities 3 to enhance the structural strength of the roller brush. When any one or more cavities 3 of the elastic member 2 are damaged under the action of external force, the elastic member 2 can still support the roller brush to deform in the direction of force, which increases the service life of the roller brush and reduces the cost.

In this embodiment, the spoke ribs 4 extend in a first direction from an end close to the brush roller body 1 to an end far away from the brush roller body 1 , and the extension line in the first direction forms an acute angle of at least 10° with the brush roller body 1 . folder Angle, the first direction is opposite to the rotation direction of the roller brush. When the roller brush is cleaning the ground, the roller brush has downward self-gravity, and accordingly it will be supported upward by the ground. At the same time, the roller brush rotates relative to the ground, and there will be friction in the opposite direction with the ground. . Since the angle formed by the extension line of the extending direction of the spoke ribs 4 and the roller brush body 1 is an acute angle of at least 10°, that is, several spoke ribs 4 are arranged obliquely in the elastic member 2, so that the elastic members 2 A number of cavities 3 extend in the circumferential direction opposite to the direction of movement of the roller brush, so that the cavities 3 and the spoke ribs 4 have a tendency to deform in the direction of movement of the roller brush. When the roller brush rotates, the roller brush contacts the ground. The corresponding cavity 3 and spoke rib 4 are more likely to deform under stress, thereby increasing the deformation degree of the elastic member 2 and increasing the deformation amount of the roller brush. At the same time, when the roller brush is cleaning the ground, since the extension direction of the spoke ribs 4 is opposite to the rotation direction of the roller brush, when the roller brush tends to reverse, it will be resisted by the spoke ribs 4 to avoid its reversal. Thereby improving the safety of using the roller brush.

In another optional embodiment, please refer to Figure 4, the spoke ribs 4 extend in the first direction from the end close to the roller brush body 1 to the end far away from the roller brush body 1 and are tangent to the roller brush body 1. The first The direction is opposite to the rotation direction of the roller brush. The spoke ribs 4 are set to be tangent to the roller brush body 1, so as to increase the support force and friction force of the ground against the roller brush, which can act on the spoke ribs 4 and the cavity 3 and deform the spoke ribs 4 and the cavity 3. The size increases the deformation degree of the elastic member 2, thereby increasing the deformation amount of the roller brush. At the same time, the extension direction of the spoke ribs 4 is opposite to the rotation direction of the roller brush, which can prevent the roller brush from reversing.

In yet another optional embodiment, please refer to Figure 5. The spoke ribs 4 are bent in a first direction and in an arc shape from the end close to the roller brush body 1 to the end far away from the roller brush body 1. The first direction is in line with the roller brush body 1. The direction of rotation is opposite. The spoke ribs 4 are arranged in an arc-shaped structure. The arc-shaped structure is more likely to deform after being stressed, so that when the roller brush acts on the surface to be cleaned with low hardness, such as carpets, the degree of deformation of the elastic member 2 can also be increased. Thereby increasing the deformation amount of the roller brush. At the same time, the bending direction of the spoke ribs 4 is opposite to the rotation direction of the roller brush, which can prevent the roller brush from reversing.

It should be noted that the structures of the spoke ribs 4 in the above three embodiments can be set individually or combined in any two or three combinations. The specific selection can be made according to the design requirements and is not specifically limited here.

In this embodiment, the elastic member 2 and several spoke ribs 4 are integrally integrated. And several spoke ribs 4 are arranged at equal intervals. The integrated arrangement makes the structure of the elastic member 2 and several spoke ribs 4 more stable, and can be processed uniformly through the production line to improve production efficiency. A number of spoke ribs 4 are arranged at equal intervals so that A plurality of spoke ribs 4 are obtained to divide the cavity 3 in the elastic member 2 into several ones of the same size, so that the elastic member 2 is evenly stressed at various positions, thereby making the roller brush more stable when acting on the ground, and the cleaning effect is better. In other embodiments, the elastic member 2 and the plurality of spoke ribs 4 can also be arranged separately and fixed together through fasteners or glue. The spacing between several spoke ribs 4 can also be set to any distance, which can be adjusted based on actual needs and will not be described in detail here.

Example 3

This embodiment provides a cleaning device. The cleaning device includes a machine body and a roller brush. The roller brush is installed on the machine body. Wherein, the roller brush is any one of the two aforementioned embodiments. For details, please refer to the aforementioned embodiments. The cleaning equipment may be a vacuum cleaner or a sweeping robot, etc. The specific connection method and structural features can be adjusted by those skilled in the art according to the actual situation, and examples are not given here. In practical applications, the size and installation position of the roller brush can be adjusted based on the size and type of cleaning equipment. When the roller brush acts on the surface to be cleaned, it will receive the support and friction force of the surface to be cleaned, so that the roller brush deforms in the direction of the force, so that the roller brush changes from linear contact to surface contact with the surface to be cleaned. Sexual contact increases the contact area between the roller brush and the surface to be cleaned, that is, the scrubbing area is increased to improve the cleaning efficiency of the cleaning equipment.

In this embodiment, the cleaning device further includes a wiper strip pressed against the roller brush. Specifically, in the forward direction of the cleaning equipment, the projection of the wiper strip is between the lowest end of the brush body and the central axis. Set the position of the wiper strip between the lowest end of the roller brush body and the central axis so that the wiper strip has the best wiping effect and avoids insufficient wiping caused by setting it too high or setting it too low. , so that when the elastic part is damaged, the wiper strip will scratch the ground directly, thereby damaging the wiper strip or damaging the cleaning equipment. This can improve the safety and service life of cleaning equipment. In addition, due to the large degree of deformation of the elastic member with the cavity, when the wiper strip is wiping, the roller brush is affected by the squeezing and scraping force of the wiper strip, and deforms along the direction of the squeezing and scraping force to avoid scraping. The water strips squeeze and scrape the cleaning parts on the roller brush hard, thereby destroying the cleaning parts, thereby increasing the service life of the roller brush and improving the cleaning efficiency of the cleaning equipment.

To sum up, this application provides an elastic member 2 with a cavity 3 on the roller brush. When the roller brush acts under its own gravity, it receives an upward support force from the surface to be cleaned, and the elastic member 2 is acted upon by this support force. And deformation occurs along the direction of the supporting force, so that the contact between the roller brush and the surface to be cleaned changes from linear contact to surface contact, thereby increasing the contact area between the roller brush and the surface to be cleaned, that is, increasing the contact area between the roller brush and the surface to be cleaned. Added scrubbing area. When the roller brush of the elastic member 2 with the cavity 3 transitions between surfaces to be cleaned of different heights or materials, it will not bounce up in the direction of force, thus blocking the rotor, causing the roller brush to move between surfaces of different heights or materials. Transitions between surfaces to be cleaned are smoother. In addition, applying the roller brush with this structure to cleaning equipment can improve the cleaning efficiency and safety of use of the cleaning equipment.

Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, those of ordinary skill in the art can make other changes or modifications in different forms without making creative efforts, and all of them shall fall within the scope of protection of this application.

Claims

A roller brush used for contacting the surface to be cleaned, which is characterized in that it includes:

Roller brush body;

An elastic member covers the outer circumferential surface of the brush roller body and extends along the axial direction of the brush roller body, with a cavity formed in the elastic member; and

A cleaning member, at least partially covering the outer circumferential surface of the elastic member;

Wherein, when the roller brush is acted upon by an external force, the elastic member deforms in the force-receiving direction to adjust the contact area between the cleaning member and the surface to be cleaned.
The rolling brush according to claim 1, characterized in that the number of the cavities is several, and spoke ribs are provided between two adjacent cavities provided in the circumferential direction.
The roller brush according to claim 2, wherein the spoke ribs extend in a first direction from an end close to the roller brush body to an end far away from the roller brush body, and the extension line in the first direction The first direction forms an acute angle of at least 10° with the roller brush body, and the first direction is opposite to the rotation direction of the roller brush.
The roller brush according to claim 2, wherein the spoke ribs extend in the first direction from an end close to the roller brush body to an end far away from the roller brush body and are tangent to the roller brush body. , the first direction is opposite to the rotation direction of the roller brush.
The roller brush according to claim 2, wherein the spoke ribs are curved in a first direction and in an arc shape from an end close to the roller brush body to an end far away from the roller brush body, and the first The direction is opposite to the rotation direction of the roller brush.
The roller brush according to claim 1, characterized in that the cavity is filled with filler, and the filler is one of gas, liquid and solid.
The roller brush according to claim 2, wherein the plurality of spoke ribs are arranged at equal intervals.
A cleaning equipment, characterized in that it includes:

organism;

The roller brush according to any one of claims 1 to 7 is installed on the body.
The cleaning device according to claim 8, characterized in that the cleaning device includes a wiper strip pressed against the roller brush.
The cleaning equipment according to claim 9, characterized in that in front of the cleaning equipment In the forward direction, the projection of the wiper strip is between the lowest end of the brush roller body and the central axis.