CN210204601U - Scrubbing brush subassembly and dust catcher - Google Patents
Scrubbing brush subassembly and dust catcher Download PDFInfo
- Publication number
- CN210204601U CN210204601U CN201920077200.5U CN201920077200U CN210204601U CN 210204601 U CN210204601 U CN 210204601U CN 201920077200 U CN201920077200 U CN 201920077200U CN 210204601 U CN210204601 U CN 210204601U
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- Prior art keywords
- cleaned
- supporting wheel
- brush
- working state
- floor brush
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
Abstract
The utility model discloses a floor brush component, which comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear; the floor brush assembly is configured to have a first working state and a second working state which are suitable for different surfaces to be cleaned; in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned; when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned; the distance between the rear rolling brush and the surface of the first surface to be cleaned in the first working state and the distance between the rear rolling brush and the surface of the second surface to be cleaned in the second working state are not greater than one fiftieth of the radius of the rear rolling brush. The utility model discloses not only can reduce the motor cost of back round brush, but also can guarantee near the gas tightness of suction inlet. The utility model also discloses a dust catcher.
Description
Technical Field
The invention relates to a floor brush assembly, in particular to a floor brush assembly with double rolling brushes. The invention also relates to a dust collector comprising the floor brush assembly.
Background
At present, a common double-rolling-brush floor brush on the market often does not have the function of adjusting the working environment (floor/carpet) according to the change of the working environment, so that a better dust suction effect is achieved. In addition, the double-rolling brush is relative to the single-rolling brush structure, the load of the floor brush rolling body is high when the carpet works, and the conventional means is to increase the motor model to provide higher torque, so that the floor brushes have certain limitations and cause the cost to rise.
Disclosure of Invention
The invention aims to provide a floor brush assembly and a dust collector, wherein the ground clearance of a rear rolling brush is basically unchanged when the rear rolling brush works in different working environments.
In order to solve the technical problem, the invention discloses a floor brush assembly which comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear; the floor brush assembly is configured to have a first working state and a second working state which are suitable for different surfaces to be cleaned; in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned; when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned; the distance between the rear rolling brush and the surface of the first surface to be cleaned in the first working state and the distance between the rear rolling brush and the surface of the second surface to be cleaned in the second working state are different from each other by no more than one fiftieth of the radius of the rear rolling brush.
As an embodiment of the present invention, it is preferable that a difference between a distance from the rear roller brush to the surface of the first surface to be cleaned in the first operating state and a distance from the rear roller brush to the surface of the second surface to be cleaned in the second operating state is not greater than one hundredth of a radius of the rear roller brush.
As an embodiment of the present invention, it is preferable that a difference between a distance from the rear roller brush to the surface of the first surface to be cleaned in the first operating state and a distance from the rear roller brush to the surface of the second surface to be cleaned in the second operating state is not greater than one hundred and fifty times a radius of the rear roller brush.
As a specific embodiment of the present invention, it is preferable that a difference between a distance from the rear roller brush to the surface of the first surface to be cleaned in the first operating state and a distance from the rear roller brush to the surface of the second surface to be cleaned in the second operating state is not greater than one-two percent of a radius of the rear roller brush.
In an embodiment of the present invention, preferably, in the first operation state, the surface of the first surface to be cleaned is tangent to the front supporting wheel and the rear supporting wheel respectively.
In an embodiment of the present invention, in the first operating state, a distance between the lowest point of the front rolling brush and the surface of the first surface to be cleaned is preferably greater than a distance between the lowest point of the rear rolling brush and the surface of the first surface to be cleaned.
As an embodiment of the present invention, it is preferable that the width of the front support wheel is smaller than the width of the rear support wheel.
The invention also discloses a floor brush assembly which comprises a floor brush body, wherein the floor brush body is sequentially provided with a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel from front to rear; the floor brush assembly is configured to have a first working state and a second working state which are suitable for different surfaces to be cleaned; in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned, and the rear roller has a lowest point Ph; in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned, and the rear rolling brush has a lowest point Ps; the distance between the point Ph and the point Ps is not more than the radius of the rear rolling brush.
As an embodiment of the present invention, it is preferable that a distance between the point Ph and the point Ps is not more than one-half of a radius of the rear roll brush.
As an embodiment of the present invention, it is preferable that a distance between the point Ph and the point Ps is not more than a quarter of a radius of the rear roll brush.
As an embodiment of the present invention, it is preferable that a distance between the point Ph and the point Ps is not more than one eighth of a radius of the rear roll brush.
As an embodiment of the present invention, it is preferable that a distance between the point Ph and the point Ps is not more than one tenth of a radius of the rear roll brush.
The invention also discloses a floor brush assembly which comprises a floor brush body, wherein the floor brush body is sequentially provided with a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel from front to rear; the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned; in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned, and the rear rolling brush has a lowest point Ph; when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned; and projecting the side surface of the ground brush assembly onto a reference plane, making a first reference line and a second reference line, wherein the first reference line and the second reference line are compared with a point Pi, a perpendicular line L of a first reference line h-h is made through the point Pi, and the distance from the point Ph to the perpendicular line L is not more than the radius of the rear rolling brush.
As an embodiment of the present invention, it is preferable that a distance from the point Ph to the perpendicular line L is not more than one-half of a radius of the rear roll brush.
As an embodiment of the present invention, it is preferable that the distance from the point Ph to the perpendicular line L is not more than one fifth of the radius of the rear roll brush.
In one embodiment of the present invention, the distance from the point Ph to the perpendicular line L is preferably zero.
The invention also discloses a floor brush assembly which comprises a floor brush body, wherein the floor brush body is sequentially provided with a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel from front to rear; the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned; in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned; when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned; projecting the side surface of the ground brush assembly onto a reference plane, and making a first reference line and a second reference line, wherein the first reference line and the second reference line intersect at a point Pi; making a perpendicular line L of the first reference line through the point Pi, and making a perpendicular line T of the first reference line through a rotating shaft of the rear rolling brush; the distance between the vertical line L and the vertical line T is not more than the radius of the rear rolling brush; the first reference line is a projection of the first surface to be cleaned on the reference plane in the first working state, and the second reference line is a projection of the second surface to be cleaned on the reference plane in the second working state.
As an embodiment of the present invention, it is preferable that a distance between the perpendicular line L and the perpendicular line T is not more than one-half of a radius of the rear roll brush.
As an embodiment of the present invention, it is preferable that a distance between the perpendicular line L and the perpendicular line T is not more than one fifth of a radius of the rear roll brush.
In one embodiment of the present invention, the distance between the perpendicular line L and the perpendicular line T is preferably zero.
The invention also discloses a dust collector comprising the floor brush component
By using the floor brush assembly and the dust collector in the technical scheme of the invention, the load of the rear rolling brush can be basically unchanged when hard ground and soft ground are cleaned, the motor cost of the rear rolling brush can be reduced, and the air tightness near the suction port can be ensured.
Drawings
FIG. 1 is a schematic view of a floor brush assembly according to a first embodiment of the present disclosure, wherein the floor brush assembly is in a first operational state.
FIG. 2 is a schematic view of the floor brush assembly of the first embodiment of the present invention with the wheel of the floor brush assembly in a second operational state.
Figure 3 is an exploded view of a floor brush assembly according to a second embodiment of the invention.
FIG. 4 is a bottom view of a floor brush assembly according to a second embodiment of the present invention.
FIG. 5 is a sectional view taken along line A-A in FIG. 4 of a floor brush assembly in a second embodiment of the present invention, wherein a is the floor brush assembly in a first operating state and b is the floor brush assembly in a second operating state.
FIG. 6 is a cross-sectional view of the floor brush assembly taken along line A-A of FIG. 4 showing the floor brush assembly in a first and second operating configuration in superimposition therewith, according to a second embodiment of the present invention.
FIG. 7 is a cross-sectional view of the brush assembly taken along line B-B of FIG. 4 in a second embodiment of the present invention.
Fig. 8 is a schematic view of a rear support wheel assembly in a second embodiment of the present invention.
Fig. 9 is a cross-sectional view of the rear support wheel assembly of the second embodiment of the present invention taken along C-C of fig. 8.
FIG. 10 is a schematic view of a floor brush assembly according to a third embodiment of the present invention.
FIG. 11 is a top view of a third embodiment of a floor brush assembly according to the present disclosure.
FIG. 12 is an exploded view of a height adjuster for a rear support wheel of a floor brush assembly according to a third embodiment of the invention.
Fig. 13 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels maintained in the raised position.
Fig. 14 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels maintained in the raised position.
Fig. 15 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels in a lowered position.
Fig. 16 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels in a lowered position.
Fig. 17 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels in a raised position.
Fig. 18 is a cross-sectional view taken along line C-C of fig. 11 with the rear support wheels in a raised position.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
It is to be understood that the terms "first," "second," and the like in the description of the embodiments of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the embodiments of the present invention, unless otherwise explicitly stated or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as a fixed connection, a movable connection, a detachable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In particular embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween.
In particular embodiments of the present invention, the term "plurality" means two or more unless explicitly stated or limited otherwise.
To facilitate the description of the embodiments of the invention, the same reference numerals are used for structures or functions that are the same or similar in the different embodiments.
The first embodiment of the invention discloses a floor brush assembly 9, which comprises a floor brush body 902, wherein the floor brush body 902 comprises a front supporting wheel 92, a front rolling brush 96, a rear rolling brush 98 and a rear supporting wheel 94 which are arranged from front to back in sequence. Wherein the radius of the front support wheel 92 is r2The radius of the front roller brush 96 is r6The rear roller brush 98 has a radius r8The radius of the rear supporting wheel is r4. The floor brush assembly 9 is configured to have a first and a second operating state adapted to different surfaces G to be cleaned.
In the first operating state, as shown in fig. 1, the floor brush assembly 9 is supported on a hard surface Gh. Specifically, the front support wheels 92 and the rear support wheels 94h are supported on the surface of the hard surface Gh, that is, the surface of the hard surface Gh is tangent to the front support wheels 92 and the rear support wheels 94h respectively; the distance d between the lowest point of the front roll brush 96 and the surface of the hard surface Gh61(ii) a The distance between the lowest point of the rear roll brush 98 and the surface of the hard surface Gh is d81(ii) a Wherein d is61＞d81，d81And may be positive, zero or negative. The distance between the rolling brush and the ground is positive, and the distance between the rotation axis of the rolling brush and the ground is larger than the radius of the rolling brush; the distance between the rolling brush and the ground is zero, which means that the distance between the rotation axis of the rolling brush shaft and the ground is equal to the radius of the rolling brush; the distance between the rolling brush and the ground is negative, which means that the distance between the rotation axis of the rolling brush and the ground is smaller than the radius of the rolling brush, and the bristles of the rolling brush are stressed to bend. In this embodiment, d81Typically zero or negative. In this application, the radius of the roller brush refers to the maximum radius of the entire roller brush when the bristles of the roller brush are not bent by force. The hard surface Gh means that the hard surface Gh does not significantly deform when the floor brush assembly 9 is supported thereon, such as a wooden floor, a concrete floor, a tile/slate paved floor, a ringEpoxy resin ground, firm and flat soil ground and the like. Fig. 2 shows the hard surface Gh and the rear support wheels 94h supported on the hard surface Gh in the first operating state in broken lines.
In the second working state, as shown in fig. 2, the floor brush assembly 9 is supported on a soft surface Gs. Specifically, the front support wheels 92, due to their smaller width, are at least partially significantly recessed within the soft face Gs; the rear support wheel 94s has a large width, so that it is supported on the soft surface Gs without being substantially sunk into the soft surface Gs, i.e., the surface of the soft surface Gs is tangent to the rear support wheel 94s and intersects the front support wheel 92 below the floor brush body 902; the distance between the lowest point of the front roll brush 96 and the surface of the soft face Gs is d62A minimum distance d between the lowest point of the rear roll brush 98 and the surface of the soft face Gs82Wherein d is62Is a negative number. The soft surface Gs value is such that when the brush assembly 9 is supported thereon, the soft surface Gs undergoes significant sagging, typically such as carpet flooring, soft bedding surfaces, and the like. The surface of the soft face Gs refers to the surface of the soft face Gs that is not deformed by the force. Fig. 1 shows the soft face Gs and the rear support wheels 94s supported on the soft face Gs in the second working state in broken lines.
In the first embodiment, the rear support wheel 94 is configured to be movable in a direction perpendicular to the surface to be cleaned G. As shown in fig. 1 and 2, the rear support wheels 94 have a high position and a low position. Specifically, when the rear support wheel 94 is in the high position, the floor brush assembly 9 is in the first working state; when the rear support wheel 94 is in the low position, the floor brush assembly 9 is in the second working state.
In the first embodiment, the side of the floor brush assembly 9 is projected onto a reference plane (i.e., paper surface), and a first reference line h-h of the front support wheel 92 and the rear support wheel 94h in the high state, which is a lower external common tangent line of the front support wheel 92 and the rear support wheel 94h in the high state, a first reference line h-h, is madeThe reference line h-h is the hard surface Gh. A second reference line s-s of the rear support wheel 94s in the low position is made in the same projection and satisfies the following condition: a second reference line s-s intersects said front support wheel 92 and said rear roller brush 96, respectively, the arc height of the arc of said front support wheel 96 located below the second reference line being equal to d62And a second reference line s-s tangent to the rear support wheel 94s in the low position state, the second reference line s-s being the soft surface Gs.
When the floor brush assembly 9 is in the first working state, the rear rolling brush 98 has a lowest point Ph, the distance from the point Ph to the first reference line H-H is less than the distance from any other point on the rear rolling brush 98 to the first reference line H-H, and the distance from the point Ph to the first reference line H-H is defined as Hh. When the floor brush assembly 9 is in the second working state, the rear rolling brush 98 has a lowest point Ps, the distance from the point Ps to the second reference line s-s is smaller than the distance from any other point on the rear rolling brush 98 to the second reference line s-s, and the distance from the point Ps to the second reference line s-s is defined as Hs. The height floating value H of said floor brush 902 with respect to the surface G to be cleaned is equal to H when switching between said first and second operating statesh-HsAbsolute value of (a). Preferably, the first and second liquid crystal materials are,
it is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
in the first embodiment of the present invention,
defining Ph and PsThe distance between them is m. Preferably, m.ltoreq.r8(ii) a It is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
in the first embodiment of the present invention,
in the first embodiment, the first reference line h-h and the second reference line s-s intersect at a point Pi, the passing point Pi is taken as a perpendicular line L of the first reference line h-h, and the distance from the point Ph to the perpendicular line L is defined as n. Preferably, n ≦ r8(ii) a It is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
in the first embodiment, n is 0.
In the first embodiment, the first reference line h-h and the second reference line s-s intersect at the point Pi, the passing point Pi is a perpendicular line L to the first reference line h-h, the rotating axis of the rear roll brush 98 is a perpendicular line T to the first reference line h-h, and the distance between the perpendicular line L and the perpendicular line T is defined as q. Preferably, q ≦ r8(ii) a It is further preferred that the first and second liquid crystal compositions,
it is further preferred that the first and second liquid crystal compositions,
in the first embodiment, q is 0.
In the first embodiment, suction ports are provided in the bottom surface of the floor brush body 902, and the suction ports are provided in the vicinity of the front and rear roll brushes 96 and 98. Preferably, the suction opening is provided between the front rolling brush 96 and the rear rolling brush 98. The floor brush assembly 9 further includes a connecting body 904 extending upwardly from the floor brush body 902. The connector 904 is adapted to connect with a component of the cleaner, such as a hose, extension pole or the like, to bring a vacuum generator within the cleaner into fluid communication with the suction opening.
A second embodiment of the present invention discloses a floor brush assembly 9, as shown in FIGS. 3-9. For the sake of simplifying the description to facilitate understanding, only the portions of the present embodiment that are different from the above-described first embodiment will be explained below.
The bristles of the front roller brush 96 are configured as stiff bristles adapted to extend into, for example, a carpet in the second operating state to roll up and suck away dirt hidden within the pile of the carpet. In the first operating state, the front roller brush 96 is configured to be moved away from the hard floor so as not to damage the hard floor. The bristles of the rear roller brush 98 are configured as soft bristles suitable for cleaning hard floors in the first operating state.
In the second embodiment, it is preferable
More preferably, q is 30mm or less.
In the second embodiment, the floor brush assembly 9 includes a rear support wheel assembly 940, and the rear support wheel assembly 940 includes a rear support wheel 94 and a height adjuster 942 connected to the rear support wheel 94. In the present embodiment, the height adjuster 942 is configured as an eccentric 9422, the eccentric 9422 is fixedly connected to an end of the rear support wheel shaft 9402 remote from the rear support wheel 94, and the rotational axis x-x of the rear support wheel 94 is parallel to and non-collinear with the rotational axis y-y of the eccentric 9422. In particular, the eccentric 9422 is configured as a cylinder, to one end face of which the rear support axle 9402 is fixedly connected. The other end face of the cylinder is provided with a groove 9426, and the height adjustment of the rear support wheel can be completed by clamping the groove 9426 with a suitable tool and rotating the cylinder. The floor brush 902 is provided with a stopper 9424 for accommodating the eccentric device 9422, corresponding to the eccentric device 9422, the stopper 9424 includes a cavity having a circular arc wall and a diameter corresponding to the diameter of the eccentric device 9422, and the eccentric device 9422 is restricted to rotate in the cavity.
A third embodiment of the invention discloses a floor brush assembly 9, as shown in fig. 10-18. The floor brush assembly 9 includes a floor brush 902 formed by fastening an upper housing 9022 and a lower housing 9024, and the floor brush 902 includes a front support wheel 92, a front rolling brush 96, a rear rolling brush 98, and a rear support wheel 94, which are sequentially disposed from front (front) to rear (rear). In the present embodiment, the front support wheels 92, the front rolling brushes 96 and the rear rolling brushes 98 are substantially the same as those in the second embodiment, and therefore, detailed description thereof is omitted in the present embodiment, and they are not shown in fig. 10 to 18. The floor brush assembly 9 further includes a connecting body 904 extending upwardly (up) from the floor brush body 902, the connecting body 904 being located approximately midway along the rear of the floor brush body 902.
The floor brush body 902 extends rearward from a rear portion thereof to the first and second side portions 72 and 74. The first side portion 72 and the second side portion 74 are located on the left and right sides of the connecting body 904, respectively. In the present embodiment, the first side portion 72 is located on the left (left) side of the connecting body 904, and the second side portion 74 is located on the right (right) side of the connecting body 904. The left rear support wheel 94 is disposed on the first side 72 and the right rear support wheel 94 is disposed on the second side 74.
In this embodiment, the floor brush assembly 9 further includes a height adjuster 942 connected to the rear support wheel 94. Height adjuster 942 includes a first side fitting 762, a second side fitting 764, and a linkage 760, wherein first side fitting 762 is located within the housing of first side 72 and second side fitting 764 is located within the housing of second side 74. The link 760 is substantially U-shaped, and has a link transverse portion 760a and a link longitudinal portion 760b disposed substantially in parallel, wherein the link longitudinal portion 760b extends rearward from both ends of the link transverse portion 760a, and rear free ends of the two link longitudinal portions 760b are fixedly connected to the first side fitting piece 762 and the second side fitting piece 764, respectively. The first side engaging member 762 and the second side engaging member 764 are connected together by a connecting rod 760, and when one of the two is forced to move, the connecting rod 760 is driven to rotate around the connecting rod lateral portion 760a, so as to drive the other one of the two to move.
The first side fitting member 762 includes a first side mounting hole 7622, and the rear support wheel shaft 9402 of the left rear support wheel 94 is fitted and fixed to the first side mounting hole 7622. The first side fitting 762 further includes a first side fitting tab 7624 extending rearward. In this embodiment, the end of the first side fitting part 7624 is completely upward.
The second side engaging member 764 includes a second side receiving hole 7642, and the rear supporting axle 9402 of the right rear supporting wheel 94 is engaged with the second side receiving hole 9642. The second side engagement member 764 also includes a second side engagement member tab 7644 extending rearwardly therefrom. In this embodiment, the end of the second side fitting part 7644 is bent downward and forms an arc-shaped surface on the upper surface thereof.
The height adjuster 942 further includes a first side operating key 722 engaged with the first side engaging member 762, the slider 78, the lateral spring 52, and the longitudinal spring 54 a. The first side operation key 722 is pivotally connected to the upper housing 9022 through an operation key connecting shaft 722a, and the first side operation key 722 is at least partially exposed outside the housing of the floor brush 902 for easy operation. The lower surface of the first side operation key 722 has a first operation key slope 7222, and the first operation key slope 7222 extends substantially from the front upper side to the rear lower side. The slider 78 includes a slider bottom 782 and a slider longitudinal portion 784, wherein the slider bottom 782 is substantially at right angles to the slider longitudinal portion 784, and the slider longitudinal portion 784 extends upwardly from a rear end of the slider bottom 782. The slider longitudinal portion 784 has a slider upper end 7846 and a slider inclined surface 7842, the slider inclined surface 7842 extends forward and downward from the slider upper end 7846 and protrudes forward of the slider longitudinal portion 784, and a slider concave portion 7844 is formed below the slider inclined surface 7842. Accordingly, a first side support part 9024a and a slide slot 9024c are formed at the first side part 72 of the lower housing 9024, and the first side support part 9024a and the support part at the corresponding position on the upper housing 9022 form an elongated hole at the outer side surface of the first side part 72 (i.e., the left side surface thereof) to restrict the first side fitting piece 762 to pivot therein and move in the substantially up-down direction. The sliding groove 9024c is configured to receive the slider bottom 782, so that the slider bottom 782 can move in the front-rear direction. The lateral spring 52 is disposed between the slider 78 and the rear wall of the chute 9024c, and provides the slider 78 with a tendency to move forward. A longitudinal spring 54a is provided between the first side fitting 762 and the bottom wall of the lower housing 9024, giving the first side fitting 762 a tendency to move upward even though the link 760 has a tendency to rotate upward about the link cross-section 760 a.
The height adjuster 942 also includes a second side operating key 742 that engages the second side fitting 764 and a longitudinal spring 54 b. The second side operation key 742 is pivotally connected to the upper housing 9022 via an operation key connecting shaft 742a, and the second side operation key 742 is at least partially exposed outside the housing of the floor brush 902 for easy operation. The lower surface of the second side operation key 742 has a second operation key inclined surface 7422, and the second operation key inclined surface 7422 extends from substantially the front upper side to substantially the rear lower side. The second side portion 74 of the lower casing 9024 is formed with a second side supporting portion 9024b, and the second side supporting portion 9024b and the corresponding supporting portion of the upper casing 9022 are formed with an elongated hole located on the outer side surface of the second side portion 74 (i.e., the right side surface thereof) to restrict the second side fitting piece 764 from pivoting therein and moving in the substantially up-down direction. The longitudinal spring 54b is disposed between the second side fitting 764 and the bottom wall of the lower housing 9024, causing the second side fitting 764 to have a tendency to move upward even though the link 760 has a tendency to rotate upward about the link cross-member 760 a.
Next, the operation of the height adjuster 942 in the present embodiment will be described with reference to fig. 13 to 18.
Figures 13 and 14 illustrate the floor brush assembly 9 with the rear support wheel 94 held in the raised position and the height adjuster 942 not operated and held in the unactuated position, with the floor brush assembly 9 in the first operating position. With respect to the first side portion 72, the lateral spring 52 and the longitudinal spring 54a are both in the non-compressed state, the slider 78 is in the forward position, the first side engaging member 762 is in the up position, and the first side operating key 722 is in the up position. The lower side of the first side fitting piece projection 7624 is fitted with the front of the slider inclined surface 7842, and the lower end of the first operation key inclined surface 7222 is fitted with the rear of the slider inclined surface 7842. For the second side 74, the longitudinal spring 54b is in a non-compressed state and the second side engagement member 764 is in an upper position. The second operation key inclined surface 7422 is engaged with the upper surface of the second side engaging piece projection 7644.
When it is desired to switch the floor brush assembly 9 from the first operation state to the second operation state, the second side operation key 742 is pressed down (or stepped down by foot), as shown in fig. 15 and 16, the second side operation key 742 rotates downward about the operation key connecting shaft 742b, the second operation key inclined surface 7422 applies a downward force to the second side engagement piece projection 7644, and the second side engagement piece 764 moves downward and causes the longitudinal spring 54b to be compressed. The downward movement of the second side engagement member 764 rotates the link 760 downward about the link cross-member 760a, which in turn moves the first side engagement member downward and compresses the longitudinal spring 54 b. Due to the engagement of the lower surface of the first side engagement member tab 7624 with the slider ramp 7842, during downward movement of the first side engagement member 762, the slider 78 is first pushed rearward while compressing the lateral spring 52 until the first side engagement member tab 7624 is able to move from above the slider ramp 7842 to the position of the slider recess 7844. When the first side fitting part 7624 moves to the position of the slider concave part 7844, the slider 78 returns to the forward position again by the resilient force of the lateral spring 52 returning to its original shape. At this time, the first side fitting piece 762 can be stably maintained at the lower position due to the slider recess 7844, and the second side fitting piece 764 can be stably maintained at the lower position due to the link 760, that is, the rear support wheel 94 is stably maintained at the low position, when the floor brush assembly 9 is in the second working state.
When it is necessary to switch the floor brush assembly 9 from the second operation state to the first operation state, the first side operation key 722 is pressed down (or stepped down by foot), as shown in fig. 17 and 18, the first side operation key 722 rotates downward about the operation key connecting shaft 722a, the lower end of the first operation key inclined surface 7222 applies a downward force to the slider inclined surface 7842, the slider 78 moves backward and the lateral spring 52 is compressed until the restraint of the first side fitting piece convex portion 7624 by the first side fitting piece concave portion 7844 is released. At this time, the first side engaging piece 762 returns to the upper position by the elastic force of the longitudinal spring 54a and the second side engaging piece 764 returning to their original positions. The downward force applied to the first side operation key 722 is released and the slider 78 is returned to the forward position by the resilient force of the lateral spring 52 returning to its original state. The first side operating key 722 returns to the up position due to the left and right movement of the slider inclined surface 7842, and the second side operating key 742 also returns to the up position due to the second side engaging piece projection 7644, and accordingly, the link 760 rotates upward about the link horizontal portion 760a in the process. At this time, the floor brush assembly 9 is stably maintained in the first working state.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description of a front end series is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A floor brush assembly comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear;
the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned;
in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned;
when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned;
the distance between the rear rolling brush and the surface of the first surface to be cleaned in the first working state and the distance between the rear rolling brush and the surface of the second surface to be cleaned in the second working state are different from each other by no more than one fiftieth of the radius of the rear rolling brush.
2. A floor brush assembly according to claim 1, wherein in the first operating condition the surface of the first surface to be cleaned is tangent to the front and rear support wheels respectively.
3. A floor brush assembly according to claim 1, wherein in the first operating condition the distance between the lowest point of the front roller brush and the surface of the first surface to be cleaned is greater than the distance between the lowest point of the rear roller brush and the surface of the first surface to be cleaned.
4. The floor brush assembly of claim 1, wherein the width of said front support wheel is less than the width of said rear support wheel.
5. A floor brush assembly comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear;
the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned;
in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned, and the rear rolling brush has a lowest point Ph;
in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned, and the rear rolling brush has a lowest point Ps;
the distance between the point Ph and the point Ps is not more than the radius of the rear rolling brush.
6. A floor brush assembly comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear;
the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned;
in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned, and the rear rolling brush has a lowest point Ph;
when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned;
and projecting the side surface of the ground brush assembly onto a reference plane, making a first reference line and a second reference line, wherein the first reference line and the second reference line are compared with a point Pi, a perpendicular line L of a first reference line h-h is made through the point Pi, and the distance from the point Ph to the perpendicular line L is not more than the radius of the rear rolling brush.
7. A floor brush assembly comprises a floor brush body, wherein a front supporting wheel, a front rolling brush, a rear rolling brush and a rear supporting wheel are sequentially arranged on the floor brush body from front to rear;
the cleaning device is characterized in that the floor brush component is constructed to have a first working state and a second working state which are suitable for different surfaces to be cleaned;
in a first working state, the front supporting wheel and the rear supporting wheel in a high position state are supported on the surface of a first surface to be cleaned;
when the cleaning machine is in a second working state, the front supporting wheel is sunk into a second surface to be cleaned, and the rear supporting wheel in a low position state is supported on the surface of the second surface to be cleaned;
projecting the side surface of the ground brush assembly onto a reference plane, and making a first reference line and a second reference line, wherein the first reference line and the second reference line are compared with a point Pi; making a perpendicular line L of the first reference line through the point Pi, and making a perpendicular line T of the first reference line through a rotating shaft of the rear rolling brush; the distance between the vertical line L and the vertical line T is not more than the radius of the rear rolling brush;
the first reference line is a projection of the first surface to be cleaned on the reference plane in the first working state, and the second reference line is a projection of the second surface to be cleaned on the reference plane in the second working state.
8. A floor brush assembly according to claim 7, wherein the distance between the perpendicular L and the perpendicular T is zero.
9. A vacuum cleaner comprising a floor brush assembly as claimed in any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018114096084 | 2018-11-23 | ||
| CN201811409608 | 2018-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210204601U true CN210204601U (en) | 2020-03-31 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920077200.5U Active CN210204601U (en) | 2018-11-23 | 2019-01-17 | Scrubbing brush subassembly and dust catcher |
| CN201910043013.XA Pending CN109602330A (en) | 2018-11-23 | 2019-01-17 | Ground brush assemblies and dust catcher |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910043013.XA Pending CN109602330A (en) | 2018-11-23 | 2019-01-17 | Ground brush assemblies and dust catcher |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN210204601U (en) |
| WO (1) | WO2020147431A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210204601U (en) * | 2018-11-23 | 2020-03-31 | 天佑电器（苏州）有限公司 | Scrubbing brush subassembly and dust catcher |
| GB2607328A (en) * | 2021-06-03 | 2022-12-07 | Techtronic Cordless Gp | Floor cleaning head for a suction cleaner |
| WO2023117042A1 (en) | 2021-12-20 | 2023-06-29 | Aktiebolaget Electrolux | Nozzle and vacuum cleaner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101637359B1 (en) * | 2010-08-20 | 2016-07-07 | 엘지전자 주식회사 | Cleaner |
| CN104068792B (en) * | 2013-03-26 | 2016-12-28 | 科沃斯机器人股份有限公司 | Floor brush of dust collector and vacuum cleaner thereof |
| GB2542420B (en) * | 2015-09-21 | 2018-01-10 | Dyson Technology Ltd | Cleaner head |
| CN206534590U (en) * | 2016-11-17 | 2017-10-03 | 苏州宝时得电动工具有限公司 | Roller brushes structure and dust catcher |
| CN108968800B (en) * | 2018-08-16 | 2024-03-08 | 天佑电器（苏州）有限公司 | Dust collection floor brush and dust collector with same |
| CN210204601U (en) * | 2018-11-23 | 2020-03-31 | 天佑电器（苏州）有限公司 | Scrubbing brush subassembly and dust catcher |
-
2019
- 2019-01-17 CN CN201920077200.5U patent/CN210204601U/en active Active
- 2019-01-17 CN CN201910043013.XA patent/CN109602330A/en active Pending
- 2019-11-28 WO PCT/CN2019/121511 patent/WO2020147431A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2020147431A1 (en) | 2020-07-23 |
| CN109602330A (en) | 2019-04-12 |
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