CN111820818A - Cleaning equipment and its brushes - Google Patents

Abstract

Embodiments of the present invention provide a cleaning device and a roller brush thereof. The roller brush includes a roller brush body and at least one cleaning assembly connected to the roller brush body, and each of the cleaning assemblies includes a first row of bristles arranged side by side. A brush and a second row of brushes, the bristle height of the first row of brushes is greater than the bristle height of the second row of brushes, and the first row of brushes on the same cleaning assembly when the roller brush rotates The brushes are located before the second row of brushes. The roller brush provided by the embodiment of the present invention can be adapted to the surfaces to be cleaned with different properties, which improves the application range of the roller brush, and also has a protective effect on the surface to be cleaned, thereby improving the cleaning quality.

Description

Cleaning equipment and its brushes

technical field

The invention belongs to the field of household appliance manufacturing, in particular to a cleaning device and a roller brush thereof.

Background technique

The roller brush is a very important structure in cleaning equipment (such as sweeping robots, etc.), and it mainly arranges tops around the body of the roller brush to clean and wipe off the dirt on the surface to be cleaned (such as floors, carpets, etc.).

Due to the different properties of the surfaces to be cleaned, tops with different properties are often required to achieve better cleaning effects. However, at this stage, the properties of the tops on the roller brush are generally unique, and the shape layout will limit its use on multiple surfaces to be cleaned, even Some surfaces to be cleaned may be damaged during use.

SUMMARY OF THE INVENTION

In view of this, an embodiment of the present invention provides a roller brush, which includes a roller brush body and at least one cleaning assembly connected to the roller brush body, each of the cleaning assemblies including a first row of brushes arranged side by side and The second row of brushes, the height of the bristles of the first row of brushes is greater than the height of the bristles of the second row of brushes, and the first row of bristles on the same cleaning assembly when the roller brushes rotate The brushes are located before the second row of brushes.

Further, the bristle wire diameter of the first row of brushes is smaller than the bristle wire diameter of the second row of brushes.

Further, the bristle wire diameter of the first row of brushes is 0.03-0.06 mm, and the bristle wire diameter of the second row of brushes is 0.1-0.2 mm.

Further, the bristle height of the first row of brushes is 1.5-3.5 mm greater than the bristle height of the second row of brushes.

Further, the bristle hardness of the first row of brushes is smaller than the bristle hardness of the second row of brushes.

Further, one of the cleaning components is connected to the roller brush body;

Both the first row of brushes and the second row of brushes are arranged in a V-shape on the rolling brush body, and the V-shaped apex is located in the V-shaped opening when the rolling brush body is arranged, or is located in the V-shaped opening. On the straight line between the two ends of the V-shape.

Further, the first row of brushes is located inside the V-shaped opening, and the second row of brushes is located outside the V-shaped opening.

Further, at least two of the cleaning assemblies are connected to the roller brush body;

The first row of brushes and the second row of brushes of each cleaning assembly are arranged in a V-shape on the roller brush body, and rotate along the roller brush when the roller brush body is arranged. The V-shaped apex of the previous row of brushes in the working direction is located in the V-shaped opening of the latter row of brushes, or on the straight line between the V-shaped ends of the latter row of brushes.

Further, the first row of brushes of each cleaning assembly is located inside the V-shaped opening, and the second row of brushes of each cleaning assembly is located outside the V-shaped opening.

In addition, an embodiment of the present invention also provides a cleaning device, which includes any one of the above-described roller brushes, a roller brush chamber, and a negative pressure device;

The rolling brush is arranged in the rolling brush cavity, and rotates in the rolling brush cavity during operation; the negative pressure device is connected with the rolling brush cavity, and the interface is located in the middle of the rolling brush cavity.

In the roller brush provided by the embodiment of the present invention, by arranging the longer first row of brushes and the shorter second row of brushes side by side on the roller brush body, the first row of brushes is always located in the second row when the roller brush rotates. Before the brushes are discharged, the first row of brushes is always in direct contact with the surface to be cleaned, and the rear is always supported by the second row of brushes, so that the roller brushes can adapt to the surfaces to be cleaned with different properties and improve the application range of the roller brushes. In addition, it also has a protective effect on the surface to be cleaned and improves the cleaning quality.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

The accompanying drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic cross-sectional structure diagram of a roller brush provided by an embodiment of the present invention;

2 is a partial three-dimensional structural schematic diagram of a roller brush provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a surface of a rolling brush provided in an embodiment of the present invention in an unfolded state;

4 is a schematic diagram of another surface unfolding state of the roller brush provided by the embodiment of the present invention;

FIG. 5 is a schematic cross-sectional structural diagram of a cleaning device provided by an embodiment of the present invention.

Detailed ways

The embodiments of the present invention will be described in detail below with the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects.

As used in the specification and claims, certain terms are used to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different nouns. The description and claims do not use the difference in name as a way to distinguish components, but use the difference in function of the components as a criterion for distinguishing. As mentioned in the entire specification and claims, "comprising" is an open-ended term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range, and basically achieve the technical effect. Furthermore, the term "coupled" or "electrically connected" herein includes any means of direct and indirect electrical coupling. Therefore, if a first device is described as being coupled to a second device, it means that the first device can be directly electrically coupled to the second device, or indirectly electrically coupled through other devices or coupling means connected to the second device. Subsequent descriptions in the specification are preferred embodiments for implementing the present invention, however, the descriptions are for the purpose of illustrating the general principles of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be determined by the appended claims.

It should also be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or system comprising a series of elements includes not only those elements, but also Other elements not expressly listed or inherent to such a process, method, commodity or system are also included. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article of manufacture or system that includes the element.

specific embodiment

At present, there are generally two types of roller brushes on the market. One is that the soft bristle strip and the hard bristle strip are embedded in the grooves of the roller brush body. The soft bristle strip is thinner and the hard bristle strip is thicker. The fine hair is higher than the coarse hair, and the fine hair is used to clean the floor. The bristles work when cleaning the carpet. The disadvantage of this kind of roller brush is that the bristles will scrape off part of the hair on the carpet when cleaning the carpet, causing damage to the carpet; the other is a combination of thickness and thickness. The thick and thin tops are embedded in the groove of the same roller brush body. The height of its soft and hard tops is the same. This kind of roller brush can protect the carpet when cleaning the carpet, but the disadvantage is that it cannot It is used on the floor, because the height of the thick and thin tops is the same, and there is no contact with the ground when cleaning the floor. Thicker bristle strips can scratch the floor if there is contact.

In view of the above technical problems, an embodiment of the present invention provides a rolling brush. Please refer to FIG. 1 , which is a schematic cross-sectional structure diagram of the rolling brush provided by the embodiment of the present invention. The rolling brush includes a rolling brush body 10 and a At least one cleaning assembly 20 of the roller brush body 10, each of the cleaning assemblies 20 includes a first row of brushes 210 and a second row of brushes 220 arranged side by side, and the bristles of the first row of brushes 210 have a height greater than that of the The height of the bristles of the second row of brushes 220, and the first row of brushes 210 on the same cleaning assembly 20 is located before the second row of brushes 220 when the roller brushes rotate.

Specifically, referring to FIG. 2 , the shape of the roller brush body 10 includes, but is not limited to, a cylindrical structure, which is driven to rotate by a power structure during operation, and the number of the cleaning components 20 is limited to at least one here, that is, The cleaning assembly 20 needs to be connected to the brush body 10. As shown in the figure, three cleaning assemblies 20 are connected to the brush body 10; wherein, one end of at least one cleaning assembly 20 It is connected to the rolling brush body 10, and the other end extends away from the axis of the rolling brush body 10. The specific connection method between the rolling brush body 10 and the cleaning assembly 20 is not limited here. In an example, the cleaning assembly 20 further includes a base plate 230 , one end of the first row of brushes 210 and the second row of brushes 220 are connected side by side on the base plate 230 , and the other end faces away from the base plate 230 . The roller brush body 10 is provided with a T-shaped groove 110, the base plate 230 is penetrated at the bottom of the T-shaped groove 110, and the first row of hairs The brush 210 and the second row of brushes 220 sink into the upper part of the T-shaped groove 110 and protrude from the surface of the rolling brush body 10 , thus completing the rolling brush body 10 and the cleaning assembly 20 The movable plug-in connection between them facilitates the quick installation and replacement of the cleaning assembly 20 .

It should be noted that, it is indicated above that the first row of brushes 210 and the ends of the second row of brushes 220 are connected side by side on the base plate 230. Here, it is only emphasized that the two rows of brushes are arranged side by side, and it is not limited whether they are arranged side by side. Direct contact, it is conceivable that the first row of brushes 210 and the second row of brushes 220 may be in contact with each other, or may be between the first row of brushes 210 and the second row of brushes 220 There is a distance between them, and the distance is generally not more than 1 cm.

The height of the bristles of the first row of brushes 210 is greater than the height of the bristles of the second row of brushes 220, that is, the length of the bristles of the first row of brushes 210 protruding from the T-shaped groove 110 is greater than the length of the bristles of the first row of brushes 210. The bristles of the second row of brushes 220 protrude out of the length of the T-shaped groove 110, and when the roller brushes rotate (in the direction shown by the arrows in the figure), the first brushes on the same cleaning assembly 20 A row of brushes 210 is located before the second row of brushes 220, that is, when the cleaning assembly 20 contacts the surface to be cleaned, the first row of brushes 210 always contacts the surface to be cleaned first, and then continues to rotate. The first row of brushes 210 is bent, and the second row of brushes 220 is located above the bent first row of brushes 210. A row of brushes 210 acts as a support to increase the service life of the cleaning assembly 20; on the other hand, the first row of brushes 210 is pressed by the second row of brushes 220 so that the roller brushes are in continuous contact with the surface to be cleaned. The cleaning efficiency is improved; in addition, the longer first row of brushes 210 is softer for floor cleaning, while the shorter second row of brushes 220 is harder for carpet cleaning. The combination of the brush 220 and the first row of brushes 210 enables the roller brush to simultaneously have the cleaning ability of the surface to be cleaned with different properties, which improves the application range of the roller brush, and the shorter the first row of brushes. Although the second-row brushes 220 are relatively hard, they do not directly contact the surface to be cleaned, and also play a protective role on the surface to be cleaned, thereby improving the cleaning quality.

Further, in other preferred embodiments of the present invention, in order to increase the protection of the surface to be cleaned and improve the cleaning effect of the surface to be cleaned, in the material selection of the cleaning component 20, the first row is generally selected. The diameter of the bristles of the brushes 210 is smaller than the diameter of the bristles of the second row of brushes 220 .

Further, in order to make the roller brush have better cleanliness when cleaning the surface to be cleaned, the diameter of the bristles of the first row of brushes 210 is generally set to be 0.03-0.06 mm, and the second row of bristles The diameter of the bristles of the brush 220 is 0.1 to 0.2 mm.

In addition, in order to ensure that the second row of brushes 220 has a good supporting effect on the first row of brushes 210, and to ensure that the second row of brushes 220 has a good support for the first row of brushes 210 The pressing action makes the roller brush and the surface to be cleaned continuously contact, so as to improve the cleaning efficiency, the bristle height of the first row of brushes 210 is 1.5-3.5mm larger than the bristle height of the second row of brushes 220; Furthermore, the above technical effect can also be achieved by selecting the bristles of the first row of brushes 210 and the second row of brushes 220 of different materials. Specifically, bristles with greater hardness are selected as the second row. For the bristles of the brush 220 , bristles with lower hardness are selected as the bristles of the first row of brushes 210 , that is, the bristle hardness of the first row of brushes 210 is smaller than that of the second row of brushes 220 .

The layout of the cleaning assembly 20 on the roller brush body 10 will be described below.

In one case, please refer to FIG. 3 , the cleaning assembly 20 is connected to the roller brush body 10 , and the first row of brushes 210 and the second row of brushes 220 are on the roller brush body 10 They are all arranged in a V-shape, and when the roller brush body 10 is arranged, the apex 240 of the V-shape is located in the V-shape opening, or on a straight line between the two ends 250 of the V-shape. Specifically, please refer to the accompanying drawings, which is a surface development view of the rolling brush body 10 , one of the cleaning components 20 is connected to the rolling brush body 10 , the first row of brushes 210 and the second row of brushes 210 The brushes 220 are arranged side by side and are arranged in a V-shaped arrangement on the rolling brush body 10, wherein the V-shaped apex 240 of the cleaning assembly 20 is located in the V-shaped opening when the rolling brush body 10 is arranged, that is, the The V-shaped apex 240 is located inside the V-shaped opening; or, the V-shaped apex 240 is located on a straight line where the two end points 250 of the cleaning assembly 20 are connected to each other. Through the above structure, the bristles of the cleaning assembly 20 can always be in contact with the surface to be cleaned at one point within the 360-degree rotation range of the roller brush, which can effectively prevent the bristles from contacting the surface to be cleaned and the surface to be cleaned when the roller brush rotates. No bristles switch between contacting the surface to be cleaned and make the noise of beating the surface to be cleaned, which improves the comfort of the user experience. cleaning efficiency.

Further, referring to the drawings, the first row of brushes 210 is located inside the V-shaped opening, and the second row of brushes 220 is located outside the V-shaped opening, that is, when the rolling brush body 10 rotates in the direction of the arrow, To ensure that the first row of brushes 210 is located before the second row of brushes 220, the cleaning components arranged in a V-shaped arrangement can play a role in collecting the dirt on the surface to be cleaned, and collect on the roller brush body The middle position of 10 is convenient for the suction device connected with the roller brush to absorb concentratedly.

In another case, please refer to FIG. 4 , the roller brush body 10 is connected with at least two cleaning assemblies 20 , and the first row of brushes 210 and the second row of hairs of each of the cleaning assemblies 20 The brushes 220 are arranged in a V-shape on the rolling brush body 10. When the rolling brush body 10 is arranged, the V-shaped apex 240 of the brushes in the previous row along the rotating working direction of the rolling brush is located in the rear row of brushes. In the V-shaped opening of the brush, or on the straight line of the V-shaped end points 250 of the brush in the next row. Specifically, referring to the accompanying drawings, it is a surface development view of the rolling brush body 10. At least two of the cleaning assemblies 20 are connected to the rolling brush body 10. As shown in the figure, three are shown here. The cleaning assembly 20 is connected to the rolling brush body 10, but this does not constitute a limitation on the number of the cleaning assemblies 20, wherein the first row of brushes 210 and all the cleaning assemblies 20 The second row of brushes 220 are arranged side by side and are arranged in a V shape on the rolling brush body 10 , and each of the cleaning assemblies 20 works along the rolling brush when the rolling brush body 10 is arranged. In the rotation direction (as shown by the arrow), the V-shaped vertex 240 of the previous cleaning component 20 is located in the V-shaped opening of the latter cleaning component 20, that is, the V-shaped opening of the previous cleaning component 20 The V-shaped apex 240 is located inside the V-shaped opening of the latter cleaning component 20; 250 are connected to each other on a straight line, as far as the roller brush body 10 is connected with three cleaning assemblies 20, the angle covered by a V-shaped arrangement of the cleaning assemblies 20 is at least 120 degrees. The angle covered by the cleaning assembly 20 is 360 degrees, which constitutes the perfect circle of the roller brush body 10 . Through the above structure, the bristles of the cleaning assembly 20 can always be in contact with the surface to be cleaned at one point within the 360-degree rotation range of the roller brush, which can effectively prevent the bristles from contacting the surface to be cleaned and the surface to be cleaned when the roller brush rotates. No bristles switch between contacting the surface to be cleaned and make the noise of beating the surface to be cleaned, which improves the comfort of the user experience; at the same time, the roller brush maintains continuous and uninterrupted contact with the surface to be cleaned, which can also improve the cleaning performance of the surface to be cleaned. cleaning efficiency.

Further, referring to the drawings, the first row of brushes 210 of each cleaning assembly 20 is located inside the V-shaped opening, and the second row of brushes 220 of each cleaning assembly 20 is located outside the V-shaped opening, That is, when the roller brush body 10 rotates in the direction of the arrow, it is ensured that the first row of brushes 210 is located in front of the second row of brushes 220, and the cleaning components arranged in a V-shaped arrangement can be used to clean the dirt on the surface to be cleaned. It has the function of collecting, and is collected in the middle position of the roller brush body 10, so that when the dust collecting device connected with the roller brush is connected, centralized adsorption is carried out from the middle part of the roller brush.

Of course, in the above two cases, the moving direction of the rolling brush is that the V-shaped opening of the cleaning assembly 20 is behind the front V-shaped vertex. It is conceivable that the moving direction of the rolling brush can also be the cleaning The V-shaped apex of the assembly 20 is behind the front V-shaped opening, then the arrangement direction of the first row of brushes 210 and the second row of brushes 220 needs to be adjusted accordingly, that is, the first row of brushes 210 is located outside the V-shaped opening, and the second row of brushes 220 is located at the inner side of the V-shaped opening, so as to ensure that the first row of brushes 210 is located before the second row of brushes 220 during operation, so it needs to be cleaned at this time. When the dirt on the surface is cleaned, it will not be collected in the middle of the roller brush, but will be concentrated on the two ends of the roller brush. Connect the dust collector to absorb it.

In addition, an embodiment of the present invention further provides a cleaning device, please refer to FIG. 5 , the cleaning device includes the roller brush 1 , the roller brush chamber 2 and the negative pressure device 3 described in the above embodiments.

Wherein, the rolling brush 1 is arranged in the rolling brush cavity 2, and the rolling brush 1 can rotate in the rolling brush cavity 20 when the cleaning setting works. Specifically, the rolling brush 1 Driven by the power assembly of the cleaning device, it can rotate in the roller brush cavity 20, and the roller brushes are arranged side by side with a longer first row of brushes and a shorter second row of brushes to play the role of the surface to be cleaned. To the cleaning effect, and the first row of brushes is always located in front of the second row of brushes when the roller brushes rotate, so that the first row of brushes is always in direct contact with the surface to be cleaned, and the rear is always supported by the second row of brushes, The roller brush can be adapted to different properties of the surface to be cleaned, the application range of the roller brush is improved, and the soft and long first row of brushes can effectively protect the surface to be cleaned and improve the cleaning quality; the negative The pressure device 3 is connected with the rolling brush cavity 2, and the interface is located in the middle of the rolling brush cavity 2. Specifically, the negative pressure device 3 can provide continuous negative pressure for the rolling brush cavity 2, so as to facilitate the The dirt after the cleaning of the rolling brush is concentrated and adsorbed. The interface between the negative pressure device 3 and the rolling brush cavity 2 is arranged in the middle of the rolling brush cavity 2, because the rolling brush has a certain collection effect. The dirt on the surface to be cleaned can be collected in the middle of the roller brush, thus improving the concentrated adsorption force of the negative pressure device 3 on the dirt after cleaning by the roller brush, and effectively improving the cleaning efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A rolling brush, characterized in that it comprises a rolling brush body and at least one cleaning assembly connected to the rolling brush body, each of the cleaning assemblies comprising a first row of brushes and a second row of brushes arranged side by side , the height of the bristles of the first row of brushes is greater than the height of the bristles of the second row of brushes, and the first row of brushes on the same cleaning assembly is located in the second row when the roller brushes are rotating. Before the second row of brushes. 2 . The roller brush according to claim 1 , wherein the diameter of the bristles of the first row of brushes is smaller than the diameter of the bristles of the second row of brushes. 3 . 3 . The roller brush according to claim 2 , wherein the bristle wire diameter of the first row of brushes is 0.03-0.06 mm, and the bristle wire diameter of the second row of brushes is 0.1-0.2 mm. 4 . 4 . The roller brush according to claim 1 , wherein the bristle height of the first row of brushes is 1.5-3.5 mm greater than the bristle height of the second row of brushes. 5 . 5 . The roller brush according to claim 1 , wherein the bristle hardness of the first row of brushes is smaller than the bristle hardness of the second row of brushes. 6 . 6. The rolling brush according to any one of claims 1-5, wherein one of the cleaning components is connected to the rolling brush body; Both the first row of brushes and the second row of brushes are arranged in a V-shape on the rolling brush body, and the V-shaped apex is located in the V-shaped opening when the rolling brush body is arranged, or is located in the V-shaped opening. On the straight line between the two ends of the V-shape. 7 . The roller brush according to claim 6 , wherein the first row of brushes is located inside the V-shaped opening, and the second row of brushes is located outside the V-shaped opening. 8 . 8. The rolling brush according to any one of claims 1-5, wherein at least two cleaning assemblies are connected to the rolling brush body; The first row of brushes and the second row of brushes of each cleaning assembly are arranged in a V-shape on the roller brush body, and rotate along the roller brush when the roller brush body is arranged. The V-shaped apex of the previous row of brushes in the working direction is located in the V-shaped opening of the latter row of brushes, or on the straight line between the V-shaped ends of the latter row of brushes. 9 . The roller brush according to claim 8 , wherein the first row of brushes of each cleaning assembly is located inside the V-shaped opening, and the second row of brushes of each cleaning assembly is located in the V-shaped opening. 10 . outside of the opening. 10. A cleaning device, characterized in that it comprises the roller brush described in any one of claims 1-9, a roller brush chamber and a negative pressure device; The rolling brush is arranged in the rolling brush cavity, and rotates in the rolling brush cavity during operation; the negative pressure device is connected with the rolling brush cavity, and the interface is located in the middle of the rolling brush cavity.

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