CN114680724B

CN114680724B - Floor brush structure and dust collection device

Info

Publication number: CN114680724B
Application number: CN202011639923.3A
Authority: CN
Inventors: 周庆东; 卢晓莹; 王文浩; 喻治安; 程福萍
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2024-02-23
Anticipated expiration: 2040-12-31
Also published as: CN114680724A

Abstract

The embodiment of the invention provides a floor brush structure and a dust collection device, wherein the floor brush structure comprises a main body and a rolling brush assembly arranged on the main body, and the rolling brush assembly comprises: an outer drum; the balance piece is arranged in the outer roller and connected with the outer roller; the running piece is arranged in the outer roller, the running piece can move circumferentially relative to the outer roller, the gravity center of the running piece is not overlapped with that of the outer roller, and when the running piece and the balancing piece are positioned at opposite positions in the outer roller, the gravity center of the rolling brush assembly is positioned on the axis of the outer roller. According to the technical scheme, the ground brush structure controls the integral gravity center, so that the gravity center of the rolling brush assembly can be continuously adjusted according to a preset function, and further continuously changing pressure is formed on the ground, and the ground brush structure vibrates stubborn dirt when dust collection and cleaning are performed, so that the cleaning capability is improved.

Description

Floor brush structure and dust collection device

Technical Field

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

Background

At present, the dust collector is gradually widely used, so that the household cleaning work is greatly facilitated, and the household intensity of people is relieved. The floor brush is used as an important structural part of the dust collector and plays a role in cleaning dust on the floor so that the dust collector can collect dust better. The cleaning force applied by the floor brush is insufficient and the floor brush cannot be cleaned due to the fact that the floor is stuck for a long time and the floor is air-dried Shang Zi, and the cleaning effect of the dust collector is greatly reduced.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

In view of this, a first aspect of the embodiments of the present invention provides a ground brush structure.

A second aspect of an embodiment of the present invention provides a dust extraction device.

To achieve the above object, an embodiment of a first aspect of the present invention provides a floor brush structure, including: main part and locate the round brush subassembly in the main part, round brush subassembly includes: an outer drum; the balance piece is arranged in the outer roller and connected with the outer roller; the running piece is arranged in the outer roller, the moving piece can move circumferentially relative to the outer roller, the gravity center of the running piece is not overlapped with that of the outer roller, and when the running piece and the balancing piece are positioned at opposite positions in the outer roller, the gravity center of the rolling brush assembly is positioned on the axis line of the outer roller.

According to the ground brush structure provided by the embodiment of the first aspect of the invention, the ground brush structure comprises a main body and a rolling brush assembly, wherein the rolling brush assembly is arranged on the main body so as to clean under the action of the rolling brush assembly, the rolling brush assembly comprises an outer roller, a balancing piece is further arranged in the outer roller, and the balancing piece is connected with the outer roller and rotates synchronously with the outer roller. Still be equipped with the moving part in outer cylinder, the moving part can take place the week looks motion for outer cylinder, in addition, the focus of moving part and the focus of outer cylinder do not coincide, therefore, when outer cylinder takes place to rotate, the moving part can be through rotating the circumference position angle of adjustment self for outer cylinder and balancing piece, the whole focus of ground brush structure is controlled, make the focus of round brush subassembly can carry out the constant adjustment according to preset function, and then form the pressure of constantly changing to ground, make the ground brush structure when carrying out dust absorption cleaning, form the vibration to intractable dirt, in order to improve cleaning ability.

It should be emphasized that when the running member moves in the outer roller, if the running member moves to a position opposite to the balancing member, that is, if the phase difference between the running member and the balancing member is 180 degrees, the center of gravity of the rolling brush assembly is located on the axis of the outer roller, so that a user can conveniently adjust the center of gravity of the whole machine, different cleaning requirements of the user can be met, in other words, normal cleaning can be achieved under the condition that eccentric cleaning is not needed.

Generally, the outer drum is a drum for directly cleaning the ground in a ground brush structure, and the outer drum wall of the outer drum can be made of materials such as fluff or flocking which are convenient for adsorbing ground dirt. The balancing piece is arranged in the outer roller and is connected with the outer roller, and the balancing piece is connected with the outer roller, so that the gravity centers of the balancing piece and the outer roller are not overlapped with the axis of the outer roller, and an eccentric structure common to the outer roller is formed, therefore, when the outer roller rotates, the gravity centers of the balancing piece and the outer roller are synchronously changed. Obviously, the gravity center of the water-based water pump can be changed up and down in addition to the front and back change. The running piece is also arranged in the outer roller, the gravity center of the running piece is not coincident with that of the outer roller, and the gravity centers of the running piece and the outer roller can jointly form a composite gravity center. When the outer roller rotates, the combined gravity center formed by the outer roller and the running piece can be changed according to the cleaning requirement by adjusting the running piece to rotate, so that the cleaning function of the ground brush structure is realized. If the formed synthetic gravity center is always changed up and down, up and down vibration is realized, and the stubborn stains can be cleaned in a weighting way; or the formed synthetic gravity center is downward and repeatedly changed back and forth, so that stubborn stains can be repeatedly cleaned in a weighting way, and the like.

In addition, the ground brush structure in the scheme provided by the invention can also have the following additional technical characteristics:

among the above-mentioned technical scheme, the scrubbing brush structure still includes: the first driving piece is arranged on the outer roller and is in transmission connection with the running piece to drive the running piece to move.

In the technical scheme, a first driving piece is arranged on the outer roller, and the first driving piece is in transmission connection with the running piece and can drive the running piece to move. Generally, the first driving member uses a motor as a driving element to drive the running member to move. Here, the first driving member is disposed on the outer drum, and when the outer drum rotates, the first driving member rotates together with the outer drum.

Among the above-mentioned technical scheme, the scrubbing brush structure still includes: the gesture sensor is used for acquiring a gesture angle formed by the central line of the balancing piece and the extended line of the gravity center of the outer roller along the gravity direction; and the controller is electrically connected with the first driving piece and the gesture sensor and is used for controlling the operation of the first driving piece according to the gesture angle.

In the technical scheme, the ground brush structure comprises a posture sensor, and the posture sensor can acquire a posture angle formed by the central line of the balance piece and the extension line of the gravity center of the outer roller along the gravity direction. The gravity center direction of the balancing piece is located on the center line of the balancing piece, and the gesture angle is the angle direction formed by the gravity center direction of the balancing piece and the gravity direction. In addition, the ground brush structure further comprises a controller, wherein the controller is electrically connected with the first driving piece and the attitude sensor and is used for controlling the operation of the first driving piece according to the attitude angle. It is apparent that, when the attitude sensor acquires the attitude angle, since the balance is connected to the outer drum, the angle between the center of gravity formed by the outer drum and the balance and the direction of gravity can be determined. And the first driving part is controlled to operate by the controller so as to control the operation part to rotate, and then the position of the synthetic gravity center formed by the operation part, the outer roller and the balance part is changed, so that the synthetic gravity center is changed within a preset range.

In the technical scheme, when the attitude angle is a first angle, the controller controls the first driving piece to rotate in a first direction; when the attitude angle is a second angle, the controller controls the first driving piece to rotate in a second direction, wherein the first direction is opposite to the second direction, and the center line of the balancing piece corresponding to the first angle and the center line of the balancing piece of the second angle are respectively positioned at two sides of the extended line of the gravity center of the outer roller along the gravity direction.

In the technical scheme, when the attitude angle is a first angle, the controller controls the first driving piece to rotate in a first direction; when the attitude angle is a second angle, the controller controls the first driving piece to rotate in a second direction opposite to the first direction. The center line corresponding to the first angle and the center line corresponding to the second angle are respectively located at two sides of the gravity direction, so that the balance piece moves between the first angle and the second angle, in other words, the first angle is the maximum angle which can be achieved by the gesture angle in one direction, and the second angle is the maximum angle which can be achieved by the gesture angle in the other direction.

Specifically, setting the first angle and the second angle of the attitude angle can be understood as limiting the maximum range of the rotation angles of the balance member and the rolling outer cylinder, ensuring that the balance member can swing between the first angle and the second angle. In order to offset the front and back shaking of the gravity center formed by the swinging of the balancing piece, the use of the ground brush structure is influenced, the running piece can be rotated in the opposite direction, so that the front and back swinging of the combined gravity center of the running piece, the balancing piece and the outer roller is not generated as much as possible, the periodical gravity center movement is only formed in the up-down direction, the periodical pressure on the ground is formed, and the deep cleaning of stubborn stains is realized.

Among the above-mentioned technical scheme, the scrubbing brush structure still includes: the second driving piece is electrically connected with the outer roller and is used for driving the outer roller to rotate.

In the technical scheme, the second driving piece is electrically connected with the outer roller, and the second driving piece can drive the outer roller to rotate. Here, the second driving member may drive the outer drum to rotate at a certain speed in a certain direction, and may also drive the outer drum to change a rotation direction when rotating.

In general, the center of gravity formed by the outer drum and the balance member does not coincide with the axis of the outer drum, and therefore, when the outer drum rotates, the center of gravity thereof also rotates around the axis of the outer drum. The second driving piece controls the outer roller to rotate, so that the ground brush structure can form pressure changing on the ground while cleaning, and cleaning of stubborn stains is realized.

Among the above-mentioned technical scheme, the scrubbing brush structure still includes: the controller is also used for controlling the second driving piece to keep the current gesture of the outer roller and controlling the first driving piece to rotate along a third direction according to the fixed-point cleaning instruction received by the instruction receiving device.

In the technical scheme, the floor brush structure further comprises an instruction receiving device electrically connected with the controller, and the controller controls the second driving piece to keep the current posture of the outer roller according to the fixed-point cleaning instruction received by the instruction receiving device. Obviously, the outer drum is in a position locking state and does not rotate, so that the gravity center position of the outer drum is not changed.

At this time, the controller controls the first driving piece to rotate along the third direction, and the gravity center position of the running piece can be adjusted, so that the ground brush structure can realize the action of wiping stains back and forth. The third direction is the rotation direction of the first driving piece relative to the outer roller.

Among the above-mentioned technical scheme, the scrubbing brush structure still includes: and the timer is electrically connected with the controller and used for determining the rotation time of the operation piece, and the controller can control the operation of the first driving piece according to the rotation time.

In this technical scheme, the scrubbing brush structure still includes the time-recorder, and the time-recorder is connected with the controller electricity, can set for the rotation time of running piece through the time-recorder, and the operation of first driving piece can be controlled to the controller according to the rotation time that the time-recorder set for. Especially, when the floor brush structure erases the dirt before and after fixed point, the timer can provide preset time, so that a user can automatically finish fixed point cleaning of the stubborn dirt on the floor by using the floor brush structure, and the floor brush structure is convenient for the user to use.

In the above technical scheme, the running member can rotate around the axis of the outer roller between the first position and the second position, and the balancing member is located outside the circumferential range formed by the first position and the second position.

In this solution, the running member is rotatable about the axis of the outer drum between a first position and a second position. The first position and the second position are two positions at which the maximum angle can be achieved when the running member rotates around the outer drum. That is, the running member can oscillate about the axis of the outer drum between a first position and a second position. In addition, the balance piece is located outside the circumferential range formed by the first position and the second position, namely, the swing radius of the balance piece located on the running piece is smaller than the rotation radius of the balance piece, and the balance piece and the running piece do not interfere with each other during movement, so that the running piece can rotate simultaneously.

In the technical scheme, the balancing piece is arc-shaped, the running piece is arc-shaped, and the axis of the balancing piece, the axis of the running piece and the axis of the outer roller are collinear.

In this technical scheme, balancing piece and moving piece are the arcuation. The axis of the balance member is collinear with the axis of the running member and the axis of the outer drum. It can be understood that the three parts are coaxial, so that the arrangement of the moving structure in the outer roller can be simplified, and the interference between the three parts can be avoided to the greatest extent.

In addition, the center of gravity of the arc-shaped structure deviates from the axial center position of the arc-shaped structure, so that centrifugal force can be effectively formed during rotation, and vibration action on stains is generated during cleaning of the ground brush structure.

In the above technical solution, the radial positions of the balancing member and the running member are different with respect to the axis of the outer drum.

In the technical scheme, the radial positions of the balancing piece and the running piece relative to the axis of the outer roller are different, so that the radial positions of the balancing piece and the running piece can be overlapped, and the balancing piece and the running piece can synchronously rotate without interference.

Among the above-mentioned technical scheme, the scrubbing brush structure still includes: the shell is internally provided with an outer roller, wherein the two opposite sides of the shell are respectively provided with a first hole and a second hole, and a medium can flow into the shell through the first holes and is discharged outwards through the second holes under the action of the outer roller.

In this technical scheme, the scrubbing brush structure still includes the casing, and outer cylinder is in the casing. The opposite sides of the housing are respectively provided with a first hole and a second hole, and the medium can flow into the housing through the first hole and be discharged outwards through the second hole under the action of the outer roller.

Generally, a floor brush structure may be used for a vacuum cleaner, and an outer drum within the floor brush structure may be rotated to perform a sweeping or brushing-like action to clean the floor. In addition, the shell both sides still are equipped with first hole and second hole, can add the negative air pressure to the scrubbing brush structure, inhale subaerial medium from first hole, discharge into the second hole in order to collect.

Because the outer roller can move through the inner structure, the ground brush structure forms variable pressure on the ground, and the stubborn stains on the ground can be cleaned in a key way.

In the above technical scheme, the number of the outer rollers is two, and the two outer rollers are respectively arranged at two sides of the first hole, wherein the rotation directions of the two outer rollers are opposite.

In the technical scheme, the number of the outer rollers of the ground brush structure is two, and the outer rollers are arranged on two sides of the first hole and have opposite rotation directions. When the outer roller rotates, the sweeping or brushing action can be realized on the ground, so that the medium such as dirt, chips, sundries and the like on the ground is carried away from the ground and enters the shell. It is apparent that when the two outer drums are rotated at the same time, it is easier to bring the media into the inside of the housing and to feed the media to the second hole and then to discharge the media outwardly due to the opposite directions of rotation. The two outer rollers can more effectively collect the medium inside the housing than a structure having only one outer roller.

In the above technical scheme, the two outer rollers are arranged in the shell along the front-rear direction.

In this technical scheme, two outer cylinders are located the fore-and-aft direction in the casing respectively, and during cleaning, two cylinders can drive the medium and enter into inside the casing. Generally, the track of the floor brush structure moves forward and backward when cleaning is performed. Therefore, the two outer rollers are arranged in tandem, and the medium can be effectively prevented from falling off during cleaning.

Embodiments of the second aspect of the present invention provide a dust extraction apparatus comprising a dust extraction link; the structure of any one of the above embodiments of the first aspect is provided at one end of the dust collection link.

According to the dust collection device provided by the embodiment of the second aspect of the invention, the dust collection device comprises the dust collection connecting rod, and the ground brush structure is arranged at one end of the dust collection connecting rod, so that dust collection can be better carried out when the dust collection device cleans dust on the ground.

In addition, the dust collection connecting rod comprises any floor brush structure of the first aspect, so that any of the advantages of any of the embodiments described above is achieved, and the description is omitted here.

In the above technical scheme, dust extraction still includes: the host is arranged on the dust collection connecting rod; the handle is arranged at the other end of the dust collection connecting rod far away from the ground brush structure.

In this technical scheme, dust extraction still includes host computer and handle. Wherein the host is arranged on a connecting rod of the dust collection device and used for controlling the operation of each structure in the dust collection device. The handle is arranged at the other end of the dust collection connecting rod far away from the ground brush structure, and a user can clean the ground by holding the handle and using the dust collection device when using the dust collection device.

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

Drawings

FIG. 1 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 2 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 3 shows a schematic structural view of a floor brush structure according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of a dust suction device according to an embodiment of the present invention;

FIG. 5 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 6 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 7 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 8 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 9 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 10 shows a schematic structural view of a roller brush assembly according to one embodiment of the invention;

FIG. 11 shows a schematic structural view of a roller brush assembly according to an embodiment of the present invention;

fig. 12 shows a schematic structural view of a roll brush assembly according to an embodiment of the present invention.

The correspondence between the reference numerals and the component names in fig. 1 to 12 is:

100: a ground brush structure; 1001: a main body; 1002: a roller brush assembly; 102: an outer drum; 104: a balance member; 106: a running member; 108: a first driving member; 110: an attitude sensor; 112: a controller; 114: a second driving member; 116: an instruction receiving device; 118: a timer; 120: a housing; 122: a first hole; 124: a second hole; 200: a dust collection device; 202: a dust collection connecting rod; 204: a host; 206: a handle.

Detailed Description

In order that the above-recited objects, features and advantages of embodiments of the present invention can be more clearly understood, a further detailed description of embodiments of the present invention will be rendered by reference to the appended drawings and detailed description thereof. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, embodiments of the invention may be practiced otherwise than as described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

Some embodiments according to the present invention are described below with reference to fig. 1 to 12.

Example 1

As shown in fig. 1, a floor brush structure 100 according to this embodiment includes a main body 1001, and a rolling brush assembly 1002 disposed on the main body 1001, where the rolling brush assembly 1002 includes an outer roller 102, a balancing member 104 is further disposed in the outer roller 102, and the balancing member 104 is connected to the outer roller 102 and rotates synchronously with the outer roller 102. The outer drum 102 is further internally provided with a running piece 106, the running piece 106 can move around relative to the outer drum 102, and in addition, the gravity center of the running piece 106 is not overlapped with the gravity center of the outer drum 102, so that when the outer drum 102 rotates, the running piece 106 can adjust the circumferential position angle of the running piece relative to the outer drum 102 and the balance piece 104 through rotation, the whole gravity center of the ground brush structure 100 is controlled, the gravity center of the ground brush structure 100 can be continuously adjusted according to a preset function, and continuously changing pressure is formed on the ground, so that when the ground brush structure 100 is used for dust collection and cleaning, the vibration is formed on stubborn dirt, and the cleaning capability is improved.

It should be emphasized that when the running member 106 moves in the outer drum 102, if the running member moves to a position opposite to the balance member, that is, when the phase difference between the running member and the balance member is 180 °, the center of gravity of the whole ground brush structure is located at the axis of the outer drum 102, so that a user can conveniently adjust the center of gravity of the whole machine to meet different cleaning requirements of the user, in other words, normal cleaning can be realized without eccentric cleaning.

Generally, the outer drum 102 is a drum for directly cleaning the ground in the floor brush structure 100, and the outer drum wall thereof may be made of a material such as fluff or flocking for adsorbing dirt on the ground. The balance member 104 is disposed in the outer drum 102 and is connected to the outer drum 102, and the balance member 104 is connected to the outer drum 102 such that the center of gravity of the balance member and the center of gravity of the balance member do not coincide with the center of gravity of the outer drum 102, thereby forming an eccentric structure common to the outer drum 102, and therefore, when the outer drum 102 rotates, the center of gravity of the balance member and the center of gravity of the balance member are synchronously changed. Obviously, the gravity center of the water-based water pump can be changed up and down in addition to the front and back change. The running member 106 is also disposed within the outer drum 102 such that its center of gravity is not coincident with the outer drum 102, and the centers of gravity of the two together form a resultant center of gravity. During the external rolling rotation, the operation member 106 can be adjusted to rotate, so that the resultant gravity center formed by the operation member and the external roller 102 is changed according to the cleaning requirement, thereby realizing the cleaning function of the ground brush structure 100. If the formed synthetic gravity center is always changed up and down, up and down vibration is realized, and the stubborn stains can be cleaned in a weighting way; or the formed synthetic gravity center is downward and repeatedly changed back and forth, so that stubborn stains can be repeatedly cleaned in a weighting way, and the like.

The shapes of the balance member 104 and the running member 106 may be arc-shaped, as shown in fig. 1, or rectangular, as shown in fig. 12.

Example two

Further, as shown in fig. 2, a first driving member 108 is provided on the outer drum 102, and the first driving member 108 is in driving connection with the running member 106 to drive the running member 106 to move. Generally, the first driving member 108 uses a motor as a driving element to move the moving member 106. Here, the first driving member 108 is disposed on the outer drum 102, and when the outer drum 102 is rotating, the first driving member 108 itself rotates in a same step.

Example III

Further, the ground brush structure 100 includes an attitude sensor 110, and the attitude sensor 110 can obtain an attitude angle formed by a center line of the balance member 104 and an extension line of the center of gravity of the outer drum along the gravity direction. The gravity center direction of the balance member 104 is located on the center line of the balance member 104, and the posture angle is an angle direction formed by the gravity center direction of the balance member 104 and the gravity direction. In addition, the floor brush structure 100 further includes a controller 112, and the controller 112 is electrically connected to the first driving member 108 and the posture sensor 110, for controlling the operation of the first driving member 108 according to the posture angle. It is apparent that, when the attitude sensor 110 acquires the attitude angle, since the balance 104 is connected to the outer drum 102, the angle of the center of gravity formed by the outer drum 102 and the balance 104 with respect to the direction of gravity can be determined. And the controller 112 controls the first driving member 108 to operate so as to control the operation member 106 to rotate, and further change the position of the resultant center of gravity formed by the operation member 106, the outer drum 102 and the balance member 104 together, so that the resultant center of gravity is changed within a preset range.

Example IV

Further, the ground brush structure 100 includes a posture sensor 110, and the posture sensor 110 may obtain a posture angle formed by a center line of the balance member 104 and a gravity direction. The gravity center direction of the balance member 104 is located on the center line of the balance member 104, and the posture angle is an angle direction formed by the gravity center direction of the balance member 104 and the gravity direction. In addition, the floor brush structure 100 further includes a controller 112, and the controller 112 is electrically connected to the first driving member 108 and the posture sensor 110, for controlling the operation of the first driving member 108 according to the posture angle. It is apparent that, when the attitude sensor 110 acquires the attitude angle, since the balance 104 is connected to the outer drum 102, the angle of the center of gravity formed by the outer drum 102 and the balance 104 with respect to the direction of gravity can be determined. And the controller 112 controls the first driving member 108 to operate so as to control the operation member 106 to rotate, and further change the position of the resultant center of gravity formed by the operation member 106, the outer drum 102 and the balance member 104 together, so that the resultant center of gravity is changed within a preset range.

Further, when the attitude angle is the first angle, the controller 112 controls the first driving member 108 to rotate in the first direction; when the attitude angle is the second angle, the controller 112 controls the first driving member 108 to rotate in a second direction opposite to the first direction. The first angle is the maximum angle which can be reached by the attitude angle in one direction, and the second angle is the maximum angle which can be reached by the attitude angle in the other direction.

Specifically, setting the first angle and the second angle of the attitude angle can be understood as limiting the maximum range of the rotation angles of the balance piece 104 and the rolling outer cylinder, ensuring that the balance piece 104 can swing between the first angle and the second angle. In order to counteract the back-and-forth swinging of the center of gravity formed by the swinging of the balance member 104, the use of the ground brush structure 100 is affected, and the running member 106 can be rotated in opposite directions, so that the position of the combined center of gravity of the running member 106, the balance member 104 and the outer drum 102 does not swing back and forth as much as possible, and only a periodical center of gravity movement is formed in the up-and-down direction, so that a periodical pressure on the ground is formed, and the deep cleaning of stubborn stains is realized.

Example five

Further, the second driving member 114 is electrically connected to the outer drum 102, and the second driving member 114 can drive the outer drum 102 to rotate. Here, the second driving member 114 may drive the outer drum 102 to change the rotation direction when rotating, in addition to driving the outer drum 102 to rotate at a certain speed in a certain direction.

In general, the center of gravity formed by the outer drum 102 and the balance 104 does not coincide with the axis of the outer drum 102, and therefore, when the outer drum 102 rotates, the center of gravity also rotates around the axis of the outer drum 102. The second driving member 114 controls the outer drum 102 to rotate, so that the floor brush structure 100 can form variable pressure on the ground while cleaning, and cleaning of stubborn stains can be realized.

Example six

Further, when the attitude angle is the first angle, the controller 112 controls the first driving member 108 to rotate in the first direction; when the attitude angle is the second angle, the controller 112 controls the first driving member 108 to rotate in a second direction opposite to the first direction. The center line corresponding to the first angle and the center line corresponding to the second angle are respectively located at two sides of the gravity direction, so that the balance piece moves between the first angle and the second angle, in other words, the first angle is the maximum angle which can be achieved by the gesture angle in one direction, and the second angle is the maximum angle which can be achieved by the gesture angle in the other direction.

Further, the floor brush structure 100 further includes an instruction receiving device 116 electrically connected to the controller 112, and the controller 112 controls the second driving member 114 to maintain the current posture of the outer drum 102 according to the fixed-point cleaning instruction received by the instruction receiving device 116. It is obvious that the outer drum 102 is in the position-locked state and is not rotated by itself, so that the position of its center of gravity is not changed.

At this time, the controller 112 controls the first driving member 108 to rotate along the third direction, so as to adjust the center of gravity of the operating member 106, so that the floor brush structure 100 can erase dirt back and forth. Wherein the third direction is the rotation direction of the first driving member 108 relative to the outer drum 102.

Further, the ground brush structure 100 further includes a timer 118, the timer 118 is electrically connected to the controller 112, the rotation time of the operation member 106 can be set by the timer 118, and the controller 112 can control the operation of the first driving member 108 according to the rotation time set by the timer 118. Particularly, when the floor brush structure 100 performs the action of cleaning stains before and after the fixed point, the timer can provide preset time, so that a user can automatically finish the fixed point cleaning of the stubborn stains on the floor by using the floor brush structure 100, and the floor brush structure is convenient for the user to use.

Example seven

Further, the runner 106 is rotatable about the axis of the outer drum 102 between a first position and a second position. Here, the first position and the second position are two positions at which the maximum angle can be achieved when the operation member 106 rotates around the outer drum 102. That is, the runnability component 106 can oscillate about the axis of the outer drum 102 between a first position and a second position. In addition, the balance member 104 is located outside the circumferential range formed by the first position and the second position, that is, the radius of the swing of the balance member 104 on the running member 106 is smaller than the radius of the rotation of the balance member 104, and the balance member 104 and the running member are not interfered with each other during movement, so that the running member can rotate simultaneously.

Further, the balance member 104 and the running member 106 are each arc-shaped. The axis of the balance member 104 is collinear with the axis of the running member 106 and the axis of the outer drum 102. It will be appreciated that the three are coaxial, simplifying the arrangement of the moving structure within the outer drum 102 and avoiding interference to the greatest extent.

In addition, the center of gravity of the arc structure is deviated from the axial center position thereof, so that a centrifugal force can be effectively formed during rotation, and a vibration effect on stains is generated during cleaning of the floor brush structure 100.

Further, the radial positions of the balance member 104 and the running member 106 with respect to the axis of the outer drum 102 are different, so that the positions in the radial directions of the two can overlap, enabling synchronous rotation without interference.

Further, as shown in fig. 3, the floor brush structure 100 further includes a housing 120, and the outer roller 102 is disposed in the housing 120. The housing 120 has first and second holes 122 and 124 at opposite sides thereof, respectively, and the medium can flow into the housing 120 through the first holes 122 and be discharged outside through the second holes 124 by the outer drum 102.

Generally, the floor brush structure 100 may be used in a vacuum cleaner, and the outer drum 102 within the floor brush structure 100 may be rotated to perform a sweeping or brushing-like action to clean the floor. In addition, the two sides of the housing 120 are further provided with a first hole 122 and a second hole 124, so that negative air pressure can be applied to the ground brush structure 100, and the medium on the ground is sucked from the first hole 122 and discharged into the second hole 124 for collection.

Because the outer roller 102 can move through the internal structure, the floor brush structure 100 can form variable pressure on the floor, and the stubborn stains on the floor can be cleaned with emphasis.

Further, the number of the outer rollers 102 of the floor brush structure 100 is two, and the rotation directions of the outer rollers are opposite to each other and are disposed at two sides of the first hole 122. When the outer drum 102 rotates, a sweeping or brushing action can be performed on the floor so that dirt, debris, etc. on the floor is carried away from the floor and into the housing 120. It is apparent that when the two outer drums 102 are rotated at the same time, it is easier to take the media into the inside of the case 120 due to the opposite rotation directions, and to feed the media to the second holes 124 and then to be discharged outward. The two outer rollers 102 can more effectively collect the medium inside the housing 120, relative to a structure having only one outer roller 102.

In another embodiment, two outer rollers 102 are respectively disposed in the front-to-back direction in the housing 120, and can drive the medium into the housing 120 during cleaning. Generally, the ground brush structure 100 moves forward and backward along the track of the ground brush structure 100 when cleaning. Therefore, the two outer rollers 102 are provided in tandem, and the medium can be effectively prevented from falling off at the time of cleaning.

Example eight

As shown in fig. 4, a dust collection device 200 according to the present embodiment includes a dust collection link 202, and a floor brush structure 100 is disposed at one end of the dust collection link 202, where the floor brush structure 100 can perform dust collection better when the dust collection device 200 cleans dust on the floor. Further, the dust extraction 200 also includes a main machine 204 and a handle 206. Wherein the host 204 is arranged on a connecting rod of the dust collection device 200 and is used for controlling the operation of each structure in the dust collection device 200. The handle 206 is provided at the other end of the suction wand 202 remote from the floor brush structure 100, and a user may use the suction device 200 to clean a floor by grasping the handle 206 during use.

In addition, the dust collection link 202 includes any of the floor brush structures 100 in the above embodiments, so any of the above embodiments has any of the advantages, and will not be described herein.

Example nine

As shown in fig. 1, the present embodiment provides a floor brush structure, which includes an outer roller (i.e., outer roller 102), a balance half-cylinder (i.e., balance member 104), a motion half-cylinder (i.e., operation member 106), an actuator (e.g., motor, solenoid valve, etc.), and the outer roller may be a structure for planting hair, nap, etc.

The principle of the synthetic gravity center among the outer roller, the balance half cylinder and the movable half cylinder in the floor brush structure is shown in figure 5, wherein m is as follows ₁ To balance the half cylinder mass, m ₂ For moving the half-cylinder mass, m _c For the equivalent mass synthesized by two half cylinders, alpha is the included angle between the synthesized gravity center and the reference coordinate system of the gravity center of the balance half cylinder, and beta is the included angle between the gravity center of the motion half cylinder and the reference coordinate system of the gravity center of the balance half cylinder, as shown in the figure m ₁ Has a polar coordinate of (0, r) ₁ )，m ₂ Has a polar coordinate of (beta, r) ₂ ) According to the coordinates and the mass of the two half cylinders, m can be calculated _c Has a polar coordinate of (alpha, r) _c ) And then the magnitude of the generated exciting force can be obtained according to the formula of the exciting force:

F＝m _c r _c w ² ，

wherein F is exciting force, and w is motor rotation angular velocity.

Fig. 5, 6, 7 and 8 show the working principle of the coordinated control of the inner and outer cylinders, when the outer cylinder (i.e. the outer cylinder 102) of the floor brush structure is detected to rotate to an angle theta ₁ And when the angle theta is the included angle between the gravity center reference coordinate system of the balance half cylinder and the ground in the vertical direction, the actuating mechanism controls the motion half cylinder to rotate anticlockwise, and the target is controlled to move to a required angle according to the eccentric moment. When the outer cylinder moves to an angle theta ₂ When the exciting force is vertical to the ground, the friction force is maximum. The outer cylinder continues to rotate to an angle theta ₃ And when the actuating mechanism controls the motion half cylinder to rotate clockwise, the balance state is restored, and the system eccentric control is finished. Thereby realizing the average maximum boost control in one period of the outer cylinder, and controlling the angle amplitude to be theta ₃ -θ ₁ 。

In another specific application scenario, when the floor brush structure encounters a spot needing to be cleaned, the relative positions of the outer cylinder and the balance half cylinder are controlled by the dust collector to be locked, and the motion half cylinder is controlled by the executing mechanism to reciprocate, so that forward acting force shown in fig. 9 and downward acting force shown in fig. 10 are respectively realized, and backward acting force shown in fig. 11 is realized, and the action of wiping the spot before and after the rolling brush is realized. The erased force-time curve can be analyzed to become a position control track planning target curve of the motor, so that the structure can realize intelligent force curve control.

In summary, the ground brush structure generates ground cleaning force pressurization by an eccentric structure, so that the cleaning capability of the ground brush in the process of stubborn dirt and stains can be effectively improved, and the dust removing effect of the dust collector is enhanced. In addition, through the eccentric structure of executor control, can realize the eccentric control of timing location, effectively solve eccentric vibration and to the experience inadequacy that the user caused. The ground brush structure in the embodiment can realize intelligent force curve control through a double-motor synchronous control strategy, and meets more diversified and complicated application scenes.

The ground brush structure in the embodiment can realize fixed-point pressurization on the ground. The actuator structure automatically controls the eccentricity without human intervention. The synchronous control of the double motors realizes an intelligent moment curve. The design realizes derivative control such as up-and-down vibration beating, backward or forward power assistance and the like.

According to the embodiment of the ground brush structure and the dust collection device, the gravity center of the rolling brush assembly can be continuously adjusted according to the preset function by controlling the whole gravity center of the ground brush structure, so that continuously changing pressure is formed on the ground, and the ground brush structure vibrates stubborn dirt when dust collection and cleaning are performed, so that the cleaning capability is improved.

In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

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

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A floor brush structure, characterized by comprising:

the main part, and locate the round brush subassembly on the main part, the round brush subassembly includes:

an outer drum;

the balance piece is arranged in the outer roller and is connected with the outer roller;

the running piece is arranged in the outer roller and can move circumferentially relative to the outer roller,

wherein, the center of gravity of the running piece is not coincident with the center of gravity of the outer roller, and when the running piece and the balancing piece are positioned at opposite positions in the outer roller, the center of gravity of the rolling brush assembly is positioned on the axis of the outer roller;

the first driving piece is arranged on the outer roller and is in transmission connection with the running piece to drive the running piece to move.

2. The floor brush structure according to claim 1, further comprising:

the gesture sensor is used for acquiring a gesture angle formed by the central line of the balancing piece and the extended line of the gravity center of the outer roller along the gravity direction;

and the controller is electrically connected with the first driving piece and the attitude sensor and is used for controlling the operation of the first driving piece according to the attitude angle.

3. The floor brush structure according to claim 2, wherein,

when the attitude angle is a first angle, the controller controls the first driving piece to rotate in a first direction;

when the attitude angle is a second angle, the controller controls the first driving piece to rotate in a second direction,

the center line of the balancing piece corresponding to the first angle and the center line of the balancing piece corresponding to the second angle are respectively positioned at two sides of an extension line of the gravity center of the outer roller along the gravity direction.

4. The floor brush structure according to claim 2, further comprising:

the second driving piece and the outer roller are used for driving the outer roller to rotate.

5. The floor brush structure according to claim 4, further comprising:

the instruction receiving device is electrically connected with the controller,

the second driving piece is electrically connected with the controller, and the controller is further used for controlling the second driving piece to keep the current posture of the outer roller and controlling the first driving piece to rotate along a third direction according to the fixed-point cleaning instruction received by the instruction receiving device.

6. The floor brush structure according to claim 5, further comprising:

and the timer is electrically connected with the controller and is used for determining the rotation time of the operation piece, and the controller can control the operation of the first driving piece according to the rotation time.

7. The floor brush structure of claim 1, wherein said running member is rotatable about an axis of said outer drum between a first position and a second position, said balance member being located outside a circumferential extent defined by said first position and said second position.

8. The floor brush structure according to claim 7, wherein the balance member is arc-shaped, the running member is arc-shaped, and the axes of the balance member, the running member and the outer drum are collinear.

9. The floor brush structure of claim 8, wherein the balance member is positioned at a different radial location from the running member relative to the axis of the outer drum.

10. The floor brush structure according to claim 1, characterized by comprising:

a shell, the shell is internally provided with the outer roller,

the medium can flow into the shell through the first holes and be discharged outwards through the second holes under the action of the outer roller.

11. The floor brush structure according to claim 10, wherein the number of the outer rollers is two, the two outer rollers are respectively disposed at both sides of the first hole,

wherein the rotation directions of the two outer rollers are opposite.

12. The floor brush structure according to claim 10, wherein two of the outer rollers are provided in the housing in the front-rear direction.

13. A dust extraction device, comprising:

a dust collection connecting rod;

the floor brush structure according to any one of claims 1 to 12, provided at one end of the dust collection link.

14. The dust extraction device of claim 13, further comprising:

the host is arranged on the dust collection connecting rod;

the handle is arranged at the other end of the dust collection connecting rod, which is far away from the floor brush structure.