CN113768408A

CN113768408A - Floor brush and dust collector

Info

Publication number: CN113768408A
Application number: CN202010521927.5A
Authority: CN
Inventors: 熊英杰; 朱二杨; 凌宇征; 蔡侬·弗罗里克; 安德采·克鲁杰科; 康拉德·奥索斯基
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-12-10
Also published as: EP3932278A1

Abstract

A floor brush and a dust collector comprising the floor brush are provided. Wherein the scrubbing brush includes casing, lower casing, by the cavity that upper and lower casing formed to and set up the round brush in the cavity, still include: a cleaning assembly disposed within the upper housing and extending into the chamber; the cleaning assembly comprises a driving part at least partially penetrating through the upper shell and a cleaning part which can be connected with the driving part and is arranged in the cavity; when the driving part is acted by external force, the cleaning part can be driven to move towards the direction close to the rolling brush. The driving part of the cleaning assembly penetrates through the upper shell, the structure and the manufacturing and mounting process of the cleaning assembly are simplified, the structure is simple, and the operation is convenient for a user.

Description

Floor brush and dust collector

Technical Field

The invention relates to the technical field of household appliances, in particular to a floor brush and a dust collector.

Background

The dust collector is a common cleaning device in modern families and can be used for cleaning the ground, the furniture surface and the like. A vacuum cleaner usually comprises a floor brush, wherein the floor brush mainly comprises a housing and a roller brush arranged in the housing. When the dust collector works, the rolling brush is driven to rotate by the power assembly or external force.

However, in daily cleaning, a lot of hair is wound on the rolling brush, which causes difficulty in cleaning the rolling brush, reduces cleaning efficiency of the rolling brush, and easily causes a fault of the dust collector.

In the prior art, hair entanglement prevention is provided, and one is that a combing part directly extends into bristles of a rolling brush, and the combing part is fixedly arranged near the rolling brush. The combing part of the proposal keeps contact with the brush hair of the rolling brush at all times, and the long-term use can cause the abrasion of parts. One is to arrange a power mechanism for pushing the rolling brush to be close to the carding part, so as to realize the purpose of cleaning the rolling brush. The scheme needs to improve the structure of the existing rolling brush, increases and decreases additional parts, and has higher cost and more complex process.

Disclosure of Invention

The invention at least aims to provide a floor brush and a dust collector comprising the floor brush, wherein the floor brush is provided with a cleaning assembly, the structure of the cleaning assembly can be simplified, the process complexity is reduced, and the floor brush is convenient for a user to use.

In order to solve the above problems, the present invention provides a floor brush, which comprises an upper shell, a lower shell, a cavity formed by the upper shell and the lower shell, and a rolling brush arranged in the cavity, and further comprises: a cleaning assembly disposed within the upper housing and extending into the chamber; the cleaning assembly comprises a driving part at least partially penetrating through the upper shell and a cleaning part which can be connected with the driving part and is arranged in the cavity; when the driving part is acted by external force, the cleaning part can be driven to move towards the direction close to the rolling brush. The driving part of the cleaning assembly penetrates through the upper shell, the structure and the manufacturing and mounting process of the cleaning assembly are simplified, the structure is simple, and the operation is convenient for a user.

In one possible embodiment, the driving part comprises a button part and an extension part extending towards the rolling brush, and when the button part is acted by external force, the extension part drives the cleaning part to move towards the direction close to the rolling brush. When a user cleans the rolling brush, the cleaning of the rolling brush can be realized only by continuously applying force to the button part.

In a possible embodiment, the driving part further comprises a blocking part which is arranged at the connection position of the button part and the extension part and is abutted against the inner wall of the upper shell when the button part is not acted by external force. The driving part can be restored to the initial position and can not be separated from the upper shell when the force application by the user is finished.

In one possible embodiment, the button portion and the extension portion are integrally formed. Through integrated into one piece's drive division for the action of drive division drive clearance portion is more coherent, and the structure of clearance subassembly is simpler moreover, has also simplified the manufacturing installation technology of drive division.

In one possible embodiment, the extension is curved. The structure makes the push button part and the extension part more easily apply pushing force to the cleaning part, and prolongs the service life of the extension part.

In a possible embodiment, the cleaning assembly further comprises a limiting part, a fixing part is further arranged in the cavity, one end of the limiting part is fixedly connected with the cleaning part, and the other end of the limiting part is abutted against the fixing part. The fixed limiting part can limit the distance of the cleaning part close to the rolling brush on one hand, and the cleaning part is prevented from excessively approaching the rolling brush; on the one hand, the cleaning part can be pushed to reset when the external force is removed.

In one possible embodiment, the stopper portion has an arc shape curved upward. The structure can prolong the service life of the limiting part.

In one possible embodiment, the limiting portion is made of an elastic material.

In one possible embodiment, the limiting part and the cleaning part are integrally formed.

In one possible embodiment, the cleaning portion is disposed within the chamber by a first rotational axis. The cleaning part can rotate around the rotating shaft and is close to the rolling brush during reasoning.

In a possible embodiment, the drive is arranged by means of a second axis of rotation. The driving part can rotate around the shaft when stressed, so that the extending part and the cleaning part are driven to rotate.

In one possible embodiment, the second rotating shaft is arranged at a position of the driving part deviated from the center of gravity, so that when the upper end of the driving part is acted by external force, the driving part rotates around the second rotating shaft along the first direction, so that the lower other end of the driving part pushes the cleaning part to be close to and contact with the rolling brush; when the external force is removed, the driving part rotates around the second rotating shaft along a second direction opposite to the first direction, and then the cleaning part leaves the rolling brush.

In one possible embodiment, the second rotating shaft is arranged at one end of the extending part and is deviated from the center of the end part, so that when the upper end of the driving part is acted by external force, the driving part rotates around the second rotating shaft along the first direction, and the lower end of the driving part pushes the cleaning part to be close to and contact with the rolling brush; when the external force is removed, the driving part rotates around the second rotating shaft along a second direction opposite to the first direction, and then the cleaning part leaves the rolling brush.

In a possible embodiment, the maximum displacement of the drive part in the direction of rotation is 4-5 cm.

A dust collector comprises the floor brush.

Compared with the prior art, the technical scheme of the invention has the following advantages:

by adopting the scheme, the structure and the mounting process of the part for cleaning the rolling brush can be simplified, and the integrally formed driving part enables the working process of the cleaning assembly to be more flow-path; and the extension part with the curved surface design prolongs the service life of the device. In addition, the scheme can also facilitate the user to directly clean the rolling brush by applying force to the button part.

Drawings

FIG. 1 is a schematic view of an overall structure of a floor brush according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 4 is an exploded view of a floor brush according to an embodiment of the present invention;

FIG. 5 is a left side cross-sectional view of a floor brush in an embodiment of the present invention;

FIG. 6 is a side view of a roll brush and cleaning assembly in an embodiment of the invention;

FIG. 7 is a detailed view of the driving portion of FIG. 4 in accordance with an embodiment of the present invention;

FIG. 8 is a right side cross-sectional view of a floor brush in an embodiment of the invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described by the following detailed description.

The cleaner may be an upright cleaner, a hand cleaner or the like, and typically comprises a floor brush 10 for cleaning the floor or the like. In one possible embodiment the cleaner further comprises a handle assembly connected to the floor brush 10, which in combination can perform the cleaning operation.

Fig. 1-4 show a floor brush 10 for use in the vacuum cleaner, and fig. 2 and 3 are sectional views of the floor brush of fig. 1 at angles a-a, B-B, respectively. The floor brush 10 includes an upper casing 101, a lower casing 101', a chamber formed by the upper and lower casings, and a roll brush 20 disposed in the chamber. In one embodiment, the floor brush 10 further comprises a power mechanism for driving the roller brush to rotate. As shown in fig. 2, 3 and 4, the power mechanism may be a wind wheel assembly 30 disposed within the chamber.

Further, as shown in fig. 3, the floor brush 10 may further include a cleaning assembly 40 for cleaning the roll brush 20.

Fig. 4 shows an exploded view of the core components of the floor brush 10, and fig. 5 shows a schematic view of the mounting structure of the cleaning assembly. As can be seen in fig. 4 and 5, the cleaning assembly 40 may be disposed within the upper housing 101 and extend into the chamber. It is understood that a portion of the cleaning assembly is disposed within the chamber and a portion is exposed outside the chamber.

Referring to fig. 3-6, the cleaning assembly 40 includes a drive portion 401 and a cleaning portion 402. The driving portion 401 may at least partially penetrate through the upper housing 101, and the cleaning portion 402 is disposed in the cavity and may be connected to the driving portion 401, that is, the two may be fixedly connected or movably connected. When the driving part 401 is acted by external force, the cleaning part 402 can be driven to move towards the direction close to the rolling brush 20, so that the cleaning part is in contact with the rolling brush to clean the entanglement such as hair on the rolling brush.

In one embodiment, as shown in fig. 1, the upper housing 101 may be provided with an opening 1011, one end of the driving part 401 may pass through the opening 1011 and extend into the chamber, and the other end of the driving part 401 may extend out of the opening 1011 and thus may be exposed outside the chamber, so that a user may contact and apply force to the driving part 401.

In one embodiment, referring to fig. 6 and 7, the driving part 401 includes a button part 4011 and an extension part 4012 extending in a direction of the roll brush. Wherein the button portion 4011 is disposed outside the opening 1011 and the extension 4012 extends within the chamber and towards the location of the roll brush 20.

One end of the extension 4012 is connected to the button portion 4011, and the other end of the extension 4012 may be connected to the cleaning portion 402. When the button portion 4011 is acted by an external force F, the extension portion 4012 can drive the cleaning portion 402 to move toward the rolling brush 20. Specifically, when a user applies an external force to the button portion, the extension portion can be made to drive the cleaning portion to be close to the rolling brush and to be in contact with the rolling brush.

In one embodiment, the extension 4012 may be a connecting rod having a curved surface. The connecting rod may be bent in the direction of the upper case 101 as shown in fig. 6 and 7. The connecting rod may also be of other shapes.

In one embodiment, the button portion 4011 and the extension portion 4012 can be integrally formed.

In one embodiment, as shown in fig. 7, the driving part 401 further includes a blocking part 4013. A stopper 4013 is provided at a junction of the button 4011 and the extension 4012, and the stopper 4013 abuts against an inner wall of the upper housing 101 when the button 4011 is not subjected to an external force. Thereby preventing the driving portion from coming off the opening 1011.

The blocking portion 4013 may be a separate component provided on the driving portion 401, or may be integrally formed with the driving portion 401.

In one embodiment, the driving part 401 may be provided through the second rotation shaft 4014.

Specifically, as shown in fig. 5 and 6, the driving part 401 may be fixed with the upper case 101 by a second rotation shaft 4014, the second rotation shaft 4014 may be provided on the driving part 401, and a shaft hole 4014' that is fitted with the second rotation shaft 4014 may be provided at a position corresponding to the upper case 101.

In one embodiment, the second rotation shaft 4014 may be disposed at a position where the driving part 401 is deviated from the center of gravity. When the upper end of the driving part 401 receives the external force F, the driving part 401 rotates in the first direction X around the second rotating shaft 4014, so that the lower end of the driving part 401 pushes the cleaning part 402 to approach and contact the roller brush 20.

In one embodiment, a spring 60 may be provided on one side of the button portion, fig. 4, with one end of the spring being connected to the inside of the button and one end being connected to the wind wheel housing. The spring is pressed when the driving part 401 rotates in the first direction X; when the external force is removed, the driving part 401 may rotate in the second direction Y opposite to the first direction around the second rotating shaft 4014 by the restoring force of the spring, and then the cleaning part 402 is separated from the roll brush 20.

In one embodiment, the second rotation shaft 4014 may be disposed at one end of the extension 4012 and near the button portion 4011. Preferably, referring to fig. 6, a second rotation shaft 4014 may be provided at one end of the extension 4012 at a position deviated from the center of the end, which may be one side of the end.

In one embodiment, the maximum displacement of the drive portion 401 in the direction of rotation is 4-5 cm. It can be understood that the maximum displacement of the button portion 4011 of the driving portion 401 is 4-5 cm; alternatively, the maximum displacement of the button portion 4011 rotated about the rotation axis is 4-5 cm.

In one embodiment, the cleaning portion 402 is disposed within the chamber via a first rotational shaft 4021. When the driving portion 401 drives the cleaning portion 402 to move, the cleaning portion 402 can rotate around the first rotation shaft 4021.

In an embodiment, with reference to fig. 6 and 8, the cleaning assembly 40 may further include a limiting portion 403, the fixing portion 50 may be disposed in the chamber, one end of the limiting portion 403 may be fixedly connected to the cleaning portion 402, and the other end of the limiting portion 403 abuts against the fixing portion 50.

When the cleaning portion 402 rotates around the first rotation shaft 4021 in the first direction X, the cleaning portion 402 presses the stopper 403 because the stopper 403 is fixed between the cleaning portion 402 and the fixing portion 50. When the external force of the driving portion 401 is removed, the cleaning portion 402 rotates in the second direction Y around the first rotation shaft 4021 due to the restoring force of the stopper portion, and is restored to the original position. The limiting portion 403 can limit the displacement of the cleaning portion, and can enable the cleaning portion and the driving portion to return to the initial positions when the external force is removed.

As shown in fig. 5 and 6, the fixing portion 50 may be disposed in the cavity, or may be fixed to an inner wall of the upper housing 101, or may be a groove formed by the upper housing being recessed into the cavity.

In one embodiment, the position-limiting portion 403 may have an arc shape that is curved upward, which may make it easier to apply a force to the position-limiting portion 403 when the cleaning portion 402 rotates, and may increase the lifespan of the position-limiting portion 403. Of course, the stopper 403 may have another shape.

In one embodiment, the position-limiting portion 403 is made of elastic material and can return to the original state when the external force is removed.

In one embodiment, the stopper 403 and the cleaning part 402 may be integrally formed.

Through the structural design, a user can clean the floor brush as required; meanwhile, the structure and the installation process of parts for cleaning the rolling brush are simplified, and the integrally formed driving part enables the working process of the cleaning assembly to be more flow-path; and the extension part with the curved surface design prolongs the service life of the device. In addition, the scheme can also facilitate the user to directly clean the rolling brush by applying force to the button part.

The working mode of the floor brush is as follows:

when the rolling brush needs to be cleaned, a user can step on the button part by feet, the button part and the extension part rotate around the second rotating shaft according to the first direction X, and the combing part is driven by the extension part to move towards the direction close to the rolling brush. The combing part is driven by the extending part and rotates around the first rotating shaft according to the first direction X, so that the tooth parts of the combing part are close to and in contact with the rolling brush.

When the carding part rotates, the limiting part is extruded. When the force applied by the user is removed, the restoring force of the limiting part enables the carding part to rotate according to the second direction Y and restore to the initial position. Likewise, the extension and button portions also return to the original positions.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a scrubbing brush, includes casing, lower casing, by the cavity that upper and lower casing formed to and set up the round brush in the cavity, its characterized in that still includes:

a cleaning assembly disposed within the upper housing and extending into the chamber;

the cleaning assembly comprises a driving part at least partially penetrating through the upper shell and a cleaning part which can be connected with the driving part and is arranged in the cavity; when the driving part is acted by external force, the cleaning part can be driven to move towards the direction close to the rolling brush.

2. The floor brush as claimed in claim 1, wherein the driving part includes a button part and an extension part extending in a direction of the rolling brush, and the cleaning part is moved in a direction close to the rolling brush by the extension part when the button part is applied with an external force.

3. The floor brush of claim 2, wherein the driving part further comprises a blocking part provided at a junction of the button part and the extension part, and the blocking part abuts against an inner wall of the upper case when the button part is not applied with an external force.

4. A floor brush as claimed in claim 2 wherein the button portion and extension are integrally formed.

5. A floor brush as defined in claim 2 wherein said extension is curved.

6. The floor brush of claim 1, wherein the cleaning assembly further comprises a limiting portion, a fixing portion is further disposed in the chamber, one end of the limiting portion is fixedly connected with the cleaning portion, and the other end of the limiting portion abuts against the fixing portion.

7. A floor brush as claimed in claim 6, wherein the retaining portion is curved upwardly.

8. A floor brush as claimed in claim 6, wherein said retaining portion is of resilient material.

9. A floor brush as claimed in claim 6, wherein the retaining portion and the cleaning portion are integrally formed.

10. A floor brush as claimed in claim 1, wherein the cleaning portion is disposed within the chamber by a first rotational axis.

11. A floor brush according to claim 2, characterized in that the drive is arranged by means of a second rotation shaft.

12. A floor brush according to claim 11, wherein the second rotating shaft is provided at a position of the driving part deviated from the center of gravity such that when the upper end of the driving part is applied with an external force, the driving part rotates in the first direction around the second rotating shaft such that the lower end of the driving part pushes the cleaning part to approach and contact the roll brush; when the external force is removed, the driving part rotates around the second rotating shaft along a second direction opposite to the first direction, and then the cleaning part leaves the rolling brush.

13. A floor brush according to claim 11 wherein the second rotation axis is disposed at one end of the extension portion at a position offset from the center of the one end such that when the upper end of the drive portion is subjected to an external force, the drive portion rotates about the second rotation axis in the first direction such that the lower end of the drive portion pushes the cleaning portion closer to and into contact with the roll brush; when the external force is removed, the driving part rotates around the second rotating shaft along a second direction opposite to the first direction, and then the cleaning part leaves the rolling brush.

14. A floor brush according to claim 11, characterized in that the maximum displacement of the drive part in the direction of rotation is 4-5 cm.

15. A vacuum cleaner comprising a floor brush as claimed in any one of claims 1 to 14.