WO2023193549A1

WO2023193549A1 - Ground brush and vacuum cleaner

Info

Publication number: WO2023193549A1
Application number: PCT/CN2023/079271
Authority: WO
Inventors: 袁广运; 夏苏宇
Original assignee: 追觅创新科技(苏州)有限公司
Priority date: 2022-04-06
Filing date: 2023-03-02
Publication date: 2023-10-12

Abstract

The present application relates to a ground brush and a vacuum cleaner. The vacuum cleaner of the present application comprises: a housing, the housing being provided with an accommodating cavity that is open toward one side; a rolling brush, the rolling brush being mounted in the accommodating cavity and being capable of being exposed from the opening to clean ground to be cleaned; and a driving assembly, mounted on the housing and configured to drive the rolling brush to rotate. The rolling brush comprises a brush roller mounted to the housing and at least one leather strip disposed on the surface of the brush roller, and at least one closed through hole is disposed on the leather strip. In the present application, damage to the surface of an object is reduced while anti-winding of the rolling brush is realized, noise is reduced, the structure is simple, and the cost is low.

Description

A floor brush and vacuum cleaner

This application requests the priority of the Chinese patent application with application number 202220784262.1 and the invention name "Floor Brush and Vacuum Cleaner" and is submitted to the China Patent Office on April 6, 2022. , the priority of the Chinese patent application with application number 202220772971.8 and the invention name "Rolling Brush and Vacuum Cleaner", the entire content of which is incorporated into this application by reference.

Technical field

The present application relates to the technical field of cleaning equipment, particularly a floor brush and a vacuum cleaner.

Background technique

For the current vacuum cleaning equipment on the market, during vacuum cleaning work, the roller brush is prone to hair entanglement, thus affecting normal work.

In order to prevent hair from being entangled on the roller brush during operation, some solutions divide the roller brush into two parts laterally, and set blades on the butt surfaces of the two parts, one of which is a moving blade and the other is a fixed blade. There is zero contact between them, and the movable blade can move back and forth in the transverse direction to cut off the hair wrapped around the roller brush, so that the hair can fall off and be sucked away by the vacuum cleaner. However, this solution complicates the mechanical structure of the reciprocating motion of the movable blade, and it takes a relatively long time for the hair to be cut.

Some technical solutions to prevent hair entanglement make the roller brush into a tapered shape, and only one end of the roller brush is fixed on the end cover of the roller brush, and the other end is a long distance from the end cover of the roller brush, and there is wind at this end. The hair is guided to one end of the air duct through the tapered structure, and the hair will fall off the roller brush and be sucked away. The air duct structure of this solution is complex and the cost is high.

There are also technical solutions to prevent hair entanglement. The roller brush is composed of leather strips, top strips, and a roller brush body. The main functions of the leather strips and top strips are to beat up stationary dust when the vacuum cleaner is working, and the dust is then taken away by the air flow. When the hair becomes tangled, use the comb tooth structure to comb the knotted hair and cooperate with the suction to remove the hair while combing and sucking. During the working process, this solution requires the ground to scrape the hair to effectively move the hair laterally. Coupled with combing, the comprehensive effect can prevent entanglement, but it will cause damage to the ground or other items that need to be cleaned (floors, carpets). Or fabric, etc.) surface damage. In addition, when the machine is working, the tooth comb will interfere with the leather strips or tops, making the work noisy.

Contents of the invention

In view of this, the present disclosure aims to provide a floor brush and a vacuum cleaner to solve one or more of the problems of hair entanglement, high noise, etc. existing in the background art.

The present application first provides a floor brush, which includes a housing having an accommodation cavity open toward one side; and a roller brush. The roller brush is installed in the accommodation cavity and can be exposed from the opening to perform cleaning on the ground to be cleaned. Cleaning; a driving assembly, installed on the housing, used to drive the roller brush to rotate; the roller brush includes a brush roller for installation with the housing and at least one leather strip provided on the surface of the brush roller, the leather strip At least one closed through hole is provided on it. Brush roller brush roller pimp brush roller brush roller brush roller pimp

According to an embodiment of the present application, the hole penetrates along the thickness direction of the leather strip.

According to an embodiment of the present application, the leather strip is elastic, the leather strip has a flapping edge, and the distance between the hole and the edge is 4mm-20mm.

According to an embodiment of the present application, the holes are arranged periodically and/or non-periodically.

According to an embodiment of the present application, the hole includes one or more shapes of a circle, a rectangle, a semicircle, an ellipse, or a polygon.

According to an embodiment of the present application, the total area of the holes does not exceed 80% of the projected area of the outer surface of the leather strip that penetrates the holes.

According to an embodiment of the present application, the roller brush further includes a stopper configured to abut the radial outer peripheral surface of the leather strip at an end of the leather strip.

According to an embodiment of the present application, the stop portion includes a circumferentially arranged radial stop, the radial stop interferes with the outer circumferential surface of the leather strip by 0-5 mm in the radial direction, and the radial stop The stop should cover the end of the leather strip in the axial direction by more than 1 mm, or the stop should be provided at both ends of the leather strip. The stop should be a retaining ring structure, and the stop should be a single component or other components. part of a component; or

The leather strip is in a "V" shape or a spiral shape or a straight shape along the length direction of the brush roller.

This application also provides a vacuum cleaner, including the floor brush described in any of the above embodiments.

This application also proposes a roller brush, which includes a first suction port, a second suction port, and a roller brush body disposed between the first suction port and the second suction port. The airflow passes through the first suction port, the roller brush body, and the roller brush body in sequence. The second suction port enters the vacuum cleaner, which is characterized in that: the roller brush body includes a body and a cleaning part, the body is provided with a mounting part, the cleaning part is installed on the mounting part, the mounting part includes a middle section and two ends The side section, the middle section spirally extends along the circumference of the body, and the angle formed by at least one of the end side sections and the middle section is an obtuse angle.

According to an embodiment of the present application, the mounting part is a mounting groove integrally formed on the body, the middle section is connected with the end side section, and the cleaning member is integrally formed and installed in the mounting groove. .

According to an embodiment of the present application, the cleaning element includes an installation area and a working area, the installation area is installed in the installation groove, and the working area is in a sheet shape.

According to an embodiment of the present application, the first suction port, the second suction port, and the roller brush body extend in the same direction, the extension length of the first suction port is greater than the extension length of the second suction port, and the extension length of the body The extension length of the first suction port is greater than or equal to the first suction port, and the middle section includes a region where the roller brush body and the second suction port overlap in the extension direction.

According to an embodiment of the present application, there are at least two mounting parts, and the at least two mounting parts are evenly spaced on the body. The number of mounting parts is defined as N, and the circumferential direction of the middle section is The extension angle is equal to 360°/N.

According to an embodiment of the present application, on a plane perpendicular to the extension direction of the body, the projection of the cleaning member forms a ring shape and surrounds the projection of the body therein.

According to an embodiment of the present application, the roller brush is provided with a retaining ring near the end side of the body, and the inner diameter of the retaining ring is larger than the outer diameter of the body and smaller than the outer diameter of the cleaning member.

According to an embodiment of the present application, the angle formed by the contact point between the cleaning member and the retaining ring is an obtuse angle.

According to an embodiment of the present application, the cleaning member has a certain elasticity, and the cleaning member has an interference fit with the retaining ring.

This application also proposes a vacuum cleaner, which includes a main body, and the main body can be connected to any of the roller brushes.

This application also proposes a vacuum cleaner, which includes a main body, and the main body can be connected to the roller brush described in any one of claims 1 to 9. A roller brush includes a first suction port, a second suction port and a roller brush body arranged between the first suction port and the second suction port. The airflow enters the vacuum cleaner through the first suction port, the roller brush body and the second suction port in sequence. It is characterized in that: the roller brush body includes a body and a cleaning part, the body is provided with a mounting part, the cleaning part is installed on the mounting part, the mounting part includes a middle section and two end side sections, the middle section is along the The body extends in a circumferential spiral, and the angle formed by at least one of the intersections of the end side sections and the middle section is an obtuse angle.

According to an embodiment of the present application, the cleaning member has a certain elasticity, so The cleaning piece has an interference fit with the retaining ring.

According to an embodiment of the present application, the main body can be connected to any of the roller brushes.

By arranging the noise reduction structure and the anti-winding structure on the roller brush, this application not only solves the problem of anti-winding of the roller brush, but also reduces the damage to the surface of the object and reduces the noise. It has a simple structure and low cost.

In order to further understand the features and technical content of this application, please refer to the following detailed description and drawings of this application. However, these descriptions and drawings are only used to illustrate this application and do not limit the scope of protection of this application. .

Description of the drawings

The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings, which constitute a part of this disclosure, are included to provide a further understanding of the disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute improper limitations on the present disclosure. In the attached picture:

Figure 1a shows a schematic three-dimensional structural diagram of a roller brush with a leather strip according to an exemplary embodiment of the present application;

Figure 1b shows a schematic three-dimensional structural diagram of a roller brush with leather strips according to another embodiment of the present application;

Figure 1c shows a schematic three-dimensional structural diagram of a roller brush with leather strips according to another embodiment of the present application;

Figure 1d shows a schematic cross-sectional structural diagram of a roller brush with a leather strip according to an embodiment of the present application;

Figure 2a shows a schematic cross-sectional structural diagram of a leather strip according to an exemplary embodiment of the present application;

Figure 2b shows a schematic structural diagram of a leather strip with round holes on the side according to an exemplary embodiment of the present application;

Figure 2c shows a schematic structural diagram of a leather strap with round holes on its side according to another embodiment of the present application;

Figure 2d shows a schematic structural diagram of a leather strap with rectangular holes on the side according to another embodiment of the present application;

Figure 2e shows a schematic structural diagram of an oval hole provided on the side of a leather strip according to another embodiment of the present application;

Figure 2f shows that the side of the leather strap is provided with semicircular shapes according to another embodiment of the present application. Schematic diagram of pore structure;

Figure 2g shows a schematic three-dimensional structural diagram of a leather strap according to an exemplary embodiment of the present application;

Figure 3a shows a schematic structural diagram of a roller brush with a stopper according to an example embodiment of the present application;

Figure 3b shows a schematic three-dimensional structural view of the stopper according to an example embodiment of the present application;

Figure 3c shows another three-dimensional structural schematic diagram of the stopper according to an example embodiment of the present application;

Figure 3d shows a schematic bottom view of a partial structure of a vacuum cleaner according to an example embodiment of the present application;

Figure 4a shows a partial structural schematic diagram of a vacuum cleaner according to an example embodiment of the present application;

Fig. 4b shows a schematic structural diagram of the vacuum cleaner in direction A according to the exemplary embodiment of the present application according to Fig. 4a.

Figure 5 is a schematic three-dimensional structural diagram of the floor brush provided by this application;

Figure 6 is a bottom view of the floor brush shown in Figure 5;

Figure 7 is a schematic three-dimensional structural view of the roller brush body of the floor brush shown in Figure 5;

Figure 8 is a schematic three-dimensional structural view of the main body of the roller brush body shown in Figure 7;

Figure 9 is a side view of the roller brush body shown in Figure 7;

FIG. 10 is another three-dimensional structural diagram of the floor brush shown in FIG. 5 .

Reference signs:

1 vacuum cleaner; 10 roller brush; 110 leather strap; 1101 side; 1102 radial outer surface; 11011 hole; 120 stop; 1201 radial stop; 1202 axial stop; 12021 snap portion; 130 brush roller; 20 shell body; 210 suction port; 220 contact part; 2201 air inlet; 100' roller brush; 20' first suction port; 22' second suction port; 24' roller brush body; 26' shell; 28' bottom plate; 30' tubular member ; 32' body; 34' cleaning parts; 36' installation part; 38' middle section; 40' end side section; 42' inner groove; 44' outer groove; 46' installation area; 48' working area; 50' retaining ring.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of example embodiments to those skilled in the art. The same reference numerals in the drawings represent the same or similar parts, and thus their repeated description will be omitted.

The described features, structures or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of these specific details, or other manners, components, materials, devices, etc. may be employed. In these cases, well-known structures, methods, devices, implementations, materials or operations will not be shown or described in detail.

The terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish different objects, rather than describing a specific sequence. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes: Other steps or units inherent to such processes, methods, products or equipment.

This application provides a noise reduction structure and an anti-winding structure on the roller brush of the vacuum cleaner. Specifically, at least one leather strip is provided on the roller brush to guide the hair during vacuuming work and prevent the hair from being entangled on the roller brush. There are closed holes penetrating the thickness of the leather strip along the thickness of the leather strip, which allows the air to flow through the leather strip when the roller brush rotates, reducing the wind resistance caused by the surface of the leather strip when the roller brush is working, thereby reducing the noise of the roller brush operation. .

Since the leather strip is elastic when the driving assembly drives the brush roller body to rotate, a certain deformation will occur when the edge is slapped when it contacts the ground. The holes on the leather strip can circulate air during the high-speed rotation of the leather strip and reduce the wind resistance caused by the leather strip. However, in order to avoid the hole deforming during the leather strip's deformation process and affecting the contact area between the hole and the air, the distance between the hole and the beating edge of the leather strip is preferably set. For 4mm-20mm. Designed in this way, when the rotating roller brush cleans the surface to be cleaned, the holes will not be deformed or be deformed due to air resistance, thereby not affecting the function of the holes in reducing wind resistance.

Furthermore, in this application, by setting the stopper to radially contact the leather strip, it can not only limit the floating range of the hair in the radial space at the end, but also form a limiting effect on the installation of the leather strip, preventing it from accidentally falling out in the radial direction. ; The stop portion forms a stop for the leather strip in the axial direction, and can also play the role of limiting the floating range of the hair in the axial direction and limiting the installation of the leather strip. In summary, the stopper can effectively prevent hair from getting entangled at both ends of the roller brush.

Figure 1a shows a schematic structural diagram of a leather strip 110 used on a roller brush 10 according to an embodiment of the present application.

As shown in Figure 1a, the leather strip 110 is arranged on the brush roller 130 in a radially protruding manner along the axial direction. The leather strip 110 is provided with a closed through hole 11011 on its protruding side 1101, and the leather strip 110 is patted to clean the surface. When the beating edge covers the entire length of the leather strip, the cleaning surface of the leather strip can be more completely beaten and the beating ability is better.

The leather strip 110 can have different shapes along the length direction of the brush roller 10, such as a "V" shape in Figure 1a, a spiral shape in another embodiment as Figure 1b, or a spiral shape in another embodiment as Figure 1c. Straight. Different shaped structures can be used as different guides. For example, the "V"-shaped leather strip 110 causes the hair near the roller brush 10 to tend to gather toward the middle suction port, which is also more conducive to protecting the hair from entanglement at both ends of the roller brush 10 . Of course, the shape and structure of the leather strap may not be limited by the above embodiment.

Preferably, according to some embodiments of the present application, the leather strips 110 are symmetrically arranged on the roller brush 10 along the circumferential direction. According to some embodiments of the present application, the number of leather straps 110 is two circumferentially symmetrical ones. In some other embodiments, multiple sets of straps may also be provided. In Figure 1a, only one leather strip is shown as an illustration, and other variable examples are not illustrated.

In order to avoid damage to the suction surface by the leather strip as much as possible, preferably, the leather strip 110 is an elastic strip. More preferably, the leather strip 110 is a rubber strip. This setting can minimize the adhesion of hair to the brush roller during high-speed movement, so that it will not wrap around the roller brush, and the hair will be directly sent to the suction port following the air flow.

Of course, the strap 110 can also be other plastic strips or a composite strap of rubber and other materials.

According to some embodiments of the present application, as shown in Figure 1d, in order to facilitate the installation and fixation of the leather strap 110, the cross-section of the leather strap 110 is roughly "T" shaped. In this way, the leather strip can be properly fixed at the end of the "T" shape with a larger bottom area.

More preferably, as shown in Figure 2a, considering the optimized design of the material, the cross-section of the leather strap 110 gradually narrows in a step-like manner from the large end of the "T" shape to the other end.

According to some embodiments of the present application, in order to keep the outermost end of the leather strip 110 as far away from the center of the roller brush 10 as possible, the radial protruding length of the leather strip 110 on the roller brush 10 can be as large as possible. According to an embodiment of the present application , the radial protruding length of the leather strip 110 on the roller brush 10 is approximately half of the overall radius length of the roller brush 10 .

According to some embodiments of the present application, there are one or more holes 11011 on the side 1101 of the leather strip 110 .

According to some embodiments of the present application, when the number of holes 11011 on the side 1101 of the leather strip 110 is set to one, a long hole can be provided along the length direction of the leather strip.

According to some embodiments of the present application, when there are multiple holes 11011 on the side 1101 of the strap 110, the holes are arranged periodically and/or non-periodically. When the holes are arranged periodically, the sizes of the holes can be the same or different, for example, one large and one small, one large and one small, and the intervals can also be the same or different.

The holes 11011 may be uniformly arranged or unevenly arranged. More preferably, the holes 11011 are arranged in one or more rows evenly along the length direction of the leather strip 110 .

Preferably, the hole 11011 may include one or more shapes of circular, rectangular, semicircular, oval, polygonal, etc.

The size of the holes 11011 is also not limited. If the holes are set smaller and denser, they can be formed into a mesh structure.

The shapes of the straps 110 having different holes after being unfolded are shown in Figures 2b to 2f. This diagram only shows that the leather strip contains a row of holes arranged uniformly in one of the shapes. Other variable implementations are not exhaustive.

In order to achieve the purpose of better reducing noise and ensuring the strength of the leather strap, Preferably, the total area of all holes 11011 does not exceed 80% of the projected area of the outer surface of the leather strip 110 with these holes, that is, the total area of the holes 11011 does not exceed the projected area of the side 110 of the leather strip 110 (the side surface does not include the surface area of the holes) 80% pimp.

In some embodiments, the thickness of both ends of the leather strip 110 is greater than the thickness in the middle, as shown in Figure 2g, which facilitates the installation and fixation of the ends of the leather strip.

The stopper 120 is configured to contact the radial outer peripheral surface 1102 of the leather strap 110 at the end of the leather strap 110 .

The stopper 120 may form a stop in the axial direction of the strap 110 .

Figure 3a shows a schematic perspective view of the structure of a roller brush with a stopper 120 according to an exemplary embodiment of the present application.

In some embodiments, as shown in Figure 3a, the stop portion 120 includes a radial stop 1201 and an axial stop 1202 to respectively achieve a radial stop and an axial stop for the strap.

When the leather strap 110 is elastic, it is preferable that the radial stop 1201 interferes with the outer circumferential surface of the leather strap 110 by 0-5 mm in the radial direction, so that the radial stop 1201 will not affect the normal rotation of the leather strap 110 during operation.

Preferably, stoppers 120 are provided at both ends of the strap 110 .

Preferably, each end radial stop 1201 axially covers the end of the strap 110 by more than 1 mm.

The radial stop 1201 and the axial stop 1202 can be an integral structure or a separate structure.

When the radial stop 1201 and the axial stop 1202 are separate structures, they can be connected and fixed together, or respectively fixedly connected to other components of the equipment.

When the radial stop 1201 and the axial stop 1202 are an integral structure, preferably the stop 120 is a retaining ring structure, as shown in Figure 3b.

In some embodiments, a protruding snap portion 12021 is provided outside the axial stop 1202 of the stop portion 120. As shown in FIG. 3c, the snap portion 12021 is used to install and fix the stop portion 120.

In some embodiments, as shown in Figure 3d, the stop 120 only includes a radial stop 1201. In this figure, the radial stop 1201 and the housing 20 are made into an integrated structure. Of course, the radial stop 1201 can also be a single structure, fixedly connected to the housing 20 or other fixed and non-rotating parts.

This application also proposes a roller brush. The roller brush 10 includes a brush roller 130 and the leather strip 110 in any of the above embodiments. Of course, the roller brush can also include other parts. Unless otherwise specified here, other parts can adopt conventional designs or matching design structures.

The leather strip 110 can be snap-fitted, screwed, riveted, or adhesively connected to the brush roller 130, and its fixing method can be unrestricted.

According to some embodiments, when the leather strips are arranged into two symmetrical ones, as shown in Figure 1b, the cross-section of the brush roller 130 is generally in the shape of a jujube stone or an ellipse, and the two sharper ends of the jujube stone or ellipse are Set pimp 110.

According to some embodiments, the brush roller 130 is provided with grooves 1301 at both ends of the jujube stone shape, and the leather strip 110 is provided with a mounting portion, and the mounting portion is adapted to be embedded in the groove 1301. Preferably, the groove 1301 is in a "T" shape so as to match and install with a "T" shaped leather strip.

In order to further prevent hair from being entangled on the roller brush, it is preferred that the surface of the brush roller has a smooth structure, so that hair is less likely to stick to it.

Furthermore, the above-mentioned roller brush 110 may also include the stopper 120 of any of the above embodiments.

This application also proposes a floor brush, including a housing 20, a roller brush 10 and a driving assembly. The driving assembly is installed on the housing 20 and is used to drive the roller brush 10 to rotate. The driving component can be implemented using existing technology and will not be illustrated or described in detail here.

The housing 20 has an accommodating cavity open toward one side. The roller brush 10 is installed in the accommodating cavity and can be exposed from the opening to clean the floor to be cleaned.

The roller brush 10 includes a brush roller 130 for installation with the housing and at least one leather strip 110 provided on the surface of the brush roller 130. The leather strip 110 is provided with at least one closed through hole 11011.

The roller brush 10 can adopt the roller brush structure of any of the above embodiments.

This application also proposes a vacuum cleaner 1 that includes a leather strip 110 with holes 11011 presented in any of the above embodiments. The leather strip 110 serves as a noise reduction structure and an anti-entanglement structure of the vacuum cleaner 1 .

Furthermore, the vacuum cleaner 1 further includes the floor brush in any of the above embodiments.

Further, as shown in FIG. 4a , the roller brush 10 is provided in the housing 20 , and the housing 20 is provided with a suction inlet 210 below the roller brush 10 .

During installation, the roller brush 10 can assemble the brush roller 130 through the bearing structure, and install the fixed stopper 120 through the end cover or the housing 20. The leather strip 110 is fixedly connected to the brush roller 130, and will rotate with the brush roller 130 during operation.

According to some embodiments, as shown in Figure 4a, the housing 20 is provided with a contact portion 220 around the suction inlet 210, and the contact portion 220 is used to contact the ground. Further, the contact portion 220 is provided with an air inlet 2201 to allow airflow to enter during vacuuming. Preferably, as shown in FIG. 4b , the bottom surface of the contact portion 220 is configured with alternately concave and convex surfaces, and an air inlet 2201 is formed on the concave surface.

In the solution provided by this application, the roller brush adopts a leather strip structure and a stopper with a noise reduction and anti-winding structure. When working, it can absorb dust and hair under the guidance of the leather strip, and the end stopper is limited by the stopper. Under the action, the hair can be effectively prevented from being entangled on the roller brush. The arrangement of the holes on the leather strip enables the purpose of noise reduction. The structure of this application is simple and the cost is low.

Please combine Figure 5 and Figure 6 to provide a roller brush 100', including a first suction port 20', a second suction port 22', and a roller brush body 24' disposed between the first suction port 20' and the second suction port 22'. , the airflow enters the vacuum cleaner through the first suction port 20', the roller brush body 24', and the second suction port 22' in sequence, thereby sucking the dust-containing airflow into the vacuum cleaner to achieve the purpose of cleaning.

Specifically, the roller brush 100' includes a housing 26' for accommodating the roller brush body 24'. The bottom of the housing 26' is provided with or connected to a bottom plate 28', and the first suction port 20' is provided through the bottom plate 28'. A tubular member 30' is provided on the side of the roller brush 100' away from the first suction port 20'. The tubular member 30' is used to be connected to the vacuum cleaner. Therefore, the housing 26' is also provided with a distal outlet connected to the tubular member 30'. The second suction port 22′. The roller brush body 24′ and the first suction port 20′ and the The two suction ports 22' are air-flow connected, that is, the air flow can enter from the first suction port 20', flow through the roller brush body 24' and enter the second suction port 22'.

When the roller brush 100' is working, the bottom plate 28' is in contact with the surface to be cleaned, the roller brush body 24' rotates to stir dust away from the surface to be cleaned, and the vacuum cleaner connected to the roller brush 100' generates negative pressure, which causes the first suction port 20 to 'Inhale the dust and airflow (dust-containing airflow) stirred by the roller brush 100' into the vacuum cleaner. Then, the dust-containing airflow passes through the roller brush body 24' and the second suction port 22' in sequence, and finally enters the filtering device of the vacuum cleaner. The filtering device removes the dust. It is collected in it and the clean air is discharged out of the vacuum cleaner to achieve the purpose of cleaning.

Please combine Figure 7 and Figure 8. The roller brush body 24' includes a body 32' and a cleaning part 34'. The body 32' is provided with a mounting part 36', and the cleaning part 34' is installed on the mounting part 36'. Each component is simple to manufacture and easy to install.

Specifically, the body 32' extends longitudinally and is roughly columnar. The outer circumferential surface of the body 32' is provided with a mounting portion 36'. The end of the body 32' can be connected to a driving device to be driven to rotate. When the body 32' is driven to rotate, it drives The cleaning member 34' rotates to achieve cleaning.

There are at least two mounting parts 36', and at least two mounting parts 36' are evenly spaced on the body 32'. The number of cleaning parts 34' corresponds to the number of mounting parts 36', and at least two cleaning parts 34' are evenly arranged on the body 32'. Therefore, during one rotation of the main body 32', at least two cleaning members 34' take turns to beat the ground, thereby improving cleaning efficiency.

The mounting part 36' includes a middle section 38' and two end side sections 40'. The middle section 38' extends spirally along the circumference of the body 32'. The angle formed by the intersection of at least one of the end side sections 40' and the middle section 38' is Obtuse angle. In this embodiment, one of the two end side sections 40' forms an obtuse angle with the middle section 38'. Those skilled in the art can imagine that both the two end side sections 40' and the middle section 38' can also form an obtuse angle.

During the rotation of the brush roller body 24', the cleaning member 34' rotates to clean the dust. There is a high possibility of hairs in the dust. If the hair rotates with the cleaning member 34', the hair will easily get wrapped around the brush roller body 24', and the hair will be easily As the inertia of the rotation of the brush roller body 24' reaches the end of the brush roller body 24', as time goes by, more and more hair accumulates at the end, which is not only difficult to clean, but also And it greatly affects the working efficiency of the brush roller body 24'.

In this embodiment, the junction between the end section 40' and the middle section 38' forms an obtuse angle. With this arrangement, when the hair rotates with the roller brush 100' from the middle section 38' to the junction, the junction not only interrupts the hair but continues to slide towards the end. trend; and because the angle between the end side section 40' and the middle section 38' is an obtuse angle, and the two directions are different, when the roller brush body 24' rotates, the end side section 40' and the middle section 38' have opposite pushing effects on the hair. After the hair reaches the end section 40' from the middle section 38', as the brush roller body 24' continues to rotate, the end side section 40' will push the hair towards the middle section 38', thereby preventing the hair from being wrapped around the brush roller body 24' The end side section 40'. That is to say, during the rotation of the brush roller body 24', the inertial force generated by the rotation of the middle section 38' pushes the hair towards the end side section 40', and the inertial force generated by the rotation of the end side section 40' pushes the hair towards the middle section 38'. The two forces are offset, and the hair is not easily entangled on the roller brush body 24', but is easily thrown off by the roller brush body 24' to prevent hair from getting entangled. After experimental testing, this design has excellent anti-tangle effect, but the structure is very simple and the design is very clever.

As mentioned above, there are at least two mounting portions 36', the number of mounting portions 36' is defined as N, and the circumferential extension angle of the middle section 38' is equal to 360°/N. For example, if the number of mounting parts 36' is two, then the circumferential extension angle of each middle section 38' is 180°; if the number of mounting parts 36' is three, then the circumferential extension angle of each middle section 38' is 120°. With this arrangement, the middle sections 38' of at least two mounting parts 36' are distributed in the entire circumferential direction of the body 32', which not only has a regular layout, but also improves the cleaning efficiency of the cleaning member 34' installed on the mounting parts 36'.

Please return to Figure 5. As mentioned above, the airflow enters the vacuum cleaner through the first suction port 20', the roller brush body 24', and the second suction port 22' in sequence. Preferably, the first suction port 20', the second suction port 22', and the roller brush body 24' extend in the same direction, the extension length of the first suction port 20' is greater than the extension length of the second suction port 22', and the extension length of the body 32' is greater than or equal to The extended length of the first suction port 20', the middle section 38' includes the area where the roller brush body 24' and the second suction port 22' overlap in the extension direction.

The first suction port 20' is the suction port of the entire roller brush 100', and the extended length of the body 32' Being larger than the extension length of the first suction port 20' can ensure that the roller brush 100' can clean the dust near the position of the first suction port 20', thereby improving the cleaning efficiency. As mentioned above, the end section 40' and the middle section 38' form an obtuse angle, and the extension length of the second suction port 22' is smaller than the extension length of the first suction port 20'. The middle section 38' includes the roller brush body 24' and the second suction port 22 'In the overlapping area in the extension direction, the end side section 40' is located outside the area of the second suction port 22'. From the perspective of air flow, the end side section 40' will cause a lag in the air flow flowing along the middle section 38'. This jam will prevent hair from getting entangled in the end and side sections 40', but it will also cause a certain amount of noise. The air flow outside the area of the second suction port 22' is lower than the air flow in the area of the second suction port 22'. Therefore, when the end side section 40' is located outside the area of the second suction port 22', relatively speaking, the noise can be greatly reduced. To sum up, the roller brush body 24' of the embodiment not only has a good anti-hair tangle effect, but also has low operating noise and a very reasonable design, which greatly improves the user experience.

Please refer to Figures 7 and 8. The body 32' is integrally formed, and the mounting portion 36' is a mounting groove integrally formed on the body 32'. In other words, the mounting groove is recessed inwardly from the outer surface of the body 32'. The cleaning member 34' can be installed by inserting into the mounting portion 36'. The main body 32' and the mounting portion 36' are simple to manufacture, and the installation operation of the cleaning member 34' is also simpler.

The installation groove includes a connected inner groove 42' and an outer groove 44' along the radial direction. The width of the inner groove 42' is greater than the width of the outer groove 44'. Specifically, the cross-section of the installation groove is roughly radial from inside to outside. It is in the shape of a "T". The cleaning member 34' includes an installation area 46' and a working area 48'. The installation area 46' is installed in the installation groove, and the shape of the installation area 46' matches the shape of the installation groove. Since the inside of the installation groove is wide and the outside is narrow, after the cleaning part 34' is installed, the shape of the installation groove itself can prevent the cleaning part 34' from falling off, and the structure design is reasonable.

The middle section 38' of the installation groove is connected with the end side section 40', thereby facilitating the installation of the cleaning member 34'. The entire roller brush body 24' has a simple structure and is easy to install.

Specifically, the mounting groove formed by connecting the middle section 38' and the end side section 40' extends over the entire extended length of the body 32', that is to say, the two end surfaces of the mounting groove are flush with the two end surfaces of the body 32'. Preferably, the cleaning member 34' is integrally formed and integrally installed in the installation groove. Depend on Therefore, the manufacturing and installation of the cleaning member 34' are very simple. Specifically, when installing the cleaning element 34', the installation area 46' of the cleaning element 34' can be inserted into the installation groove from one end surface, and the working area 48' of the cleaning element 34' can be pulled to the installation area of the cleaning element 34'. 46′ are all installed in the entire installation slot, with reasonable structural design and very convenient installation.

As mentioned above, the mounting part 36' includes a middle section 38' and an end side section 40'. The middle section 38' and the end side section 40' provided at an obtuse angle can prevent hair from getting entangled, and the cleaning member 34' is installed behind the installation groove for cleaning. The member 34' also includes two sections arranged at an obtuse angle. The two sections can further prevent hair from getting entangled. The principle will not be described again.

As previously mentioned, the cleaning member 34' includes a mounting area 46' and a working area 48'. Preferably, the working area 48' is in the shape of a sheet. There is no gap visible to the naked eye in the sheet-shaped working area 48', and there is no situation where hair is caught in the gap, which can further prevent hair from getting tangled.

The cleaning member 34' is integrally formed of elastic materials such as rubber, for example, polyurethane, which is not only simple to manufacture, but also effectively prevents lint and has wear resistance.

Referring to FIG. 9 , on a plane perpendicular to the extension direction of the body 32 ′, the projection of the cleaning member 34 ′ forms a ring shape and surrounds the projection of the body 32 ′. That is to say, viewed from the side, there is no gap in the projection of the cleaning element 34' on a plane perpendicular to the extension direction of the body 32', so that the cleaning element 34' contacts the ground without interruption during rotation and evenly and continuously contacts the ground, which can Greatly reduce the impact and noise of the roller brush 100′ when working.

Referring to Figure 10, the roller brush 100' is provided with a retaining ring 50' near the end of the main body 32'. The inner diameter of the retaining ring 50' is larger than the outer diameter of the main body 32' and smaller than the outer diameter of the cleaning member 34'. Therefore, the cleaning element 34' is radially engaged between the inner wall surface of the retaining ring 50' and the body 32'. There is no gap in the radial direction between the cleaning element 34' and the retaining ring 50', and hair cannot enter the retaining ring. 50′, thereby further preventing the hair from moving toward the ends and being concentrated on the ends.

The cleaning member 34' has a certain degree of elasticity, and the cleaning member 34' has an interference fit with the retaining ring 50'. Therefore, the retaining ring 50' will not affect the rotation and cleaning of the cleaning member 34', and at the same time, it can also prevent hair from moving to the end and being entangled on the end. The structure is simple and ingenious.

The included angle formed by the contact point between the cleaning member 34' and the retaining ring 50' is an obtuse angle. Installed with the aforementioned The middle section 38' of the part 36' forms an obtuse angle with the end section 40'. In the same way, the obtuse angle formed by the contact between the cleaning member 34' and the retaining ring 50' can also reduce the impact of the cleaning member 34' on the hair to the end during rotation. The tendency is to guide the ends, thereby reducing the probability of hair tangles at the ends.

To sum up, the middle section 38' of the mounting part 36' of the roller brush body 24' of this embodiment forms an obtuse angle with the end side section 40', which reduces hair entanglement; the middle section 34' of the cleaning member 34' forms an obtuse angle with the end side section, which reduces Tangle; the contact point between the cleaning member 34' and the retaining ring 50' forms an obtuse angle to reduce lint. Therefore, the roller brush 100' of this embodiment reduces the probability of hair tangles from multiple design angles, and experiments have proven that the anti-hair tangle effect is excellent. However, the structure of the entire roller brush body 24' is very simple. It can be said that small changes, big results, and design Very clever. Moreover, the roller brush body 24' of this embodiment has low noise and good user experience.

This embodiment provides a vacuum cleaner, which includes a main body, and the main body can be connected to the roller brush 100' of Embodiment 1. Since the roller brush 100' of Embodiment 1 can reduce the probability of hair entanglement and improve user experience, the vacuum cleaner of this embodiment can also reduce the probability of hair entanglement and improve user experience.

It should be noted that the vacuum cleaner in this embodiment may be an ordinary upright vacuum cleaner, a horizontal vacuum cleaner, or a handheld vacuum cleaner; it may also be a self-moving smart vacuum cleaner. The vacuum cleaner of this embodiment can be a vacuum cleaner that cleans the floor, or it can also be a vacuum cleaner that removes mites and cleans bedding. The above will not be described in detail. Any solution that is the same or similar to this embodiment is covered by within the protection scope of this application.

Finally, it should be noted that the above are only exemplary embodiments of the present disclosure and are not intended to limit the present disclosure. Although the present disclosure is described in detail with reference to the foregoing embodiments, those skilled in the art can still Modify the technical solutions described in the foregoing embodiments, or make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this disclosure shall be included in the protection scope of this disclosure.

Claims

A floor brush, including

A housing having a receiving chamber open toward one side;

A roller brush, which is installed in the accommodation cavity and can be exposed from the opening to clean the floor to be cleaned;

A driving component, installed on the housing, is used to drive the roller brush to rotate;

It is characterized in that the roller brush includes a brush roller for being installed with the housing and at least one leather strip arranged on the surface of the brush roller, and at least one closed through hole is provided on the leather strip.
The floor brush according to claim 1, wherein the hole penetrates along the thickness direction of the leather strip.
The floor brush according to claim 2, characterized in that: the leather strip is elastic, the leather strip has a flapping edge, and the distance between the hole and the edge is 4mm-20mm.
The floor brush according to claim 1, wherein the holes are arranged periodically and/or non-periodically.
The floor brush according to any one of claims 1 to 4, wherein the holes are arranged in one or more rows evenly along the length direction of the leather strip.
The floor brush according to any one of claims 1 to 4, wherein the hole has one or more shapes selected from the group consisting of circular, rectangular, semicircular, oval or polygonal.
The floor brush according to any one of claims 1 to 4, characterized in that the total area of the holes does not exceed 80% of the projected area of the outer surface of the leather strip penetrating the holes.
The floor brush according to any one of claims 1 to 4, wherein the roller brush further includes a stopper configured to abut an end of the leather strip. Radial outer surface.
The floor brush according to claim 8, wherein the stop portion includes a circumferentially arranged radial stop, and the radial stop interferes with the outer peripheral surface of the leather strip by 0-5 mm in the radial direction. The radial stop covers the end of the strap in the axial direction by more than 1 mm; or

The stopper is provided at both ends of the leather strap, the stopper is a retaining ring structure, and the stopper is a single component or a part of other components; or

The leather strip is in a "V" shape or a spiral shape or a straight shape along the length direction of the brush roller.
A vacuum cleaner, characterized by comprising the floor brush according to any one of claims 1 to 9.
A roller brush includes a first suction port, a second suction port and a roller brush body arranged between the first suction port and the second suction port. The airflow enters the vacuum cleaner through the first suction port, the roller brush body and the second suction port in sequence. It is characterized in that: the roller brush body includes a body and a cleaning part, the body is provided with a mounting part, the cleaning part is installed on the mounting part, the mounting part includes a middle section and two end side sections, the middle section is along the The body extends in a circumferential spiral, and the angle formed by at least one of the intersections of the end side sections and the middle section is an obtuse angle.
The roller brush according to claim 11, characterized in that: the mounting part is a mounting groove integrally formed on the body, the middle section is connected with the end side section, and the cleaning member is integrally formed and installed as a whole. in the mounting slot.
The roller brush according to claim 12, wherein the cleaning member includes an installation area and a working area, the installation area is installed in the installation slot, and the working area is in a sheet shape.
The roller brush according to claim 11, characterized in that: the first suction port, the second suction port and the roller brush body extend in the same direction, and the extension length of the first suction port is greater than the extension length of the second suction port, so The extension length of the body is greater than or equal to the extension length of the first suction port, and the middle section includes an area where the roller brush body and the second suction port overlap in the extension direction.
The roller brush according to claim 11, characterized in that: there are at least two mounting parts, and the at least two mounting parts are evenly spaced on the body, and the number of the mounting parts is defined as N, so The circumferential extension angle of the middle section is equal to 360°/N.
The roller brush according to claim 11, characterized in that: on a plane perpendicular to the extension direction of the body, the projection of the cleaning member forms an annular shape and the projection of the body Surrounded by it.
The roller brush according to claim 11, characterized in that: the roller brush is provided with a retaining ring near the end side of the body, and the inner diameter of the retaining ring is larger than the outer diameter of the body and smaller than the cleaning ring. The outer diameter of the piece.
The roller brush according to claim 17, wherein the angle formed by the contact point between the cleaning member and the retaining ring is an obtuse angle.
The roller brush according to claim 17, characterized in that: the cleaning member has a certain elasticity, and the cleaning member has an interference fit with the retaining ring.
A vacuum cleaner includes a main body, characterized in that the main body can be connected to the roller brush described in any one of claims 11 to 19.