CN106108778A - Floor brush of dust collector and vacuum cleaner - Google Patents
Floor brush of dust collector and vacuum cleaner Download PDFInfo
- Publication number
- CN106108778A CN106108778A CN201610669310.1A CN201610669310A CN106108778A CN 106108778 A CN106108778 A CN 106108778A CN 201610669310 A CN201610669310 A CN 201610669310A CN 106108778 A CN106108778 A CN 106108778A
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- China
- Prior art keywords
- dust collector
- floor brush
- dust
- air
- clearance
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Classifications
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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
-
- 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
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a kind of floor brush of dust collector and there is its vacuum cleaner, floor brush of dust collector includes: body and front dust bar, basis is the most internal limits air channel, there is on the base plate of body the pump orifice connected with air channel, the rear side of body has air vent, and body covers and forms bubble-tight space when surface for clearance between air channel and surface for clearance；Front dust bar is located at the front end of body to support floor brush of dust collector on surface for clearance, and front dust bar is provided with the multiple nose air intakes connected with air channel, and front dust bar tilts relative to normal to a surface direction for clearance.According to the floor brush of dust collector of the present invention, optimize the air channel of floor brush of dust collector, improve the air flow state in floor brush of dust collector, be effectively improved the dust collection capacity of floor brush of dust collector and reduce the noise of floor brush of dust collector, and simple in construction, low cost.
Description
Technical field
The present invention relates to household electrical appliance technical field, especially relate to a kind of floor brush of dust collector and vacuum cleaner.
Background technology
In correlation technique, vacuum cleaner such as vacuum cleaner is to suck the foreign material such as dust, hair by generation negative pressure to reach
The household electrical appliance of cleaning effect.The performance of vacuum cleaner depends primarily on two factors: dust collection capacity and noise, both of which
Closely related with the air channel of scrubbing brush.Wherein, the suction that on the one hand dust collection capacity is produced by dust collector host determines, but in dust suction
On the premise of device main frame determines, the air channel structure of scrubbing brush, as the effective area of scrubbing brush air inlet, road clearance etc. determine air-flow
VELOCITY DISTRIBUTION, scrubbing brush internal pressure when entering scrubbing brush are distributed, and then affect dust removing effects.The noise source of vacuum cleaner is the most main
Machine and scrubbing brush.Main frame runs up and mechanical vibration generation noise due to motor internal, and scrubbing brush noise is mainly air-flow at a high speed
The aerodynamic noise that flowing produces, is directly affected by scrubbing brush air channel.
But, the dust collection capacity of vacuum cleaner and noise are often the index of conflict: improving dust collection capacity needs to improve
Air-flow enters the speed of scrubbing brush, and the increase of flow velocity generally results in the increase of aerodynamic noise；Reduce flow velocity and can reduce pneumatic making an uproar
Sound, but also can reduce dust collection capacity simultaneously.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, one object of the present invention
Being to propose a kind of floor brush of dust collector, the dust collection capacity of this floor brush of dust collector is strong, noise is little and simple in construction, low cost.
Further object is that a kind of vacuum cleaner with above-mentioned floor brush of dust collector of proposition.
Floor brush of dust collector according to a first aspect of the present invention, including: body, described the internal air channel that limits, described
Having the pump orifice connected with described air channel on the base plate of body, the rear side of described body has air vent, and described body covers
Bubble-tight space is formed between described air channel and described surface for clearance during surface for clearance；Front dust bar, described front dust
Bar is located at the front end of described body to support described floor brush of dust collector on described surface for clearance, and described front dust bar is provided with
The multiple nose air intakes connected with described air channel, described front dust bar tilts relative to described normal to a surface direction for clearance.
According to the floor brush of dust collector of the present invention, by tilting to set relative to normal to a surface direction for clearance by front dust bar
Put, optimize the air channel of floor brush of dust collector, improve the air flow state in floor brush of dust collector, be effectively improved vacuum cleaner
The dust collection capacity of scrubbing brush also reduces the noise of floor brush of dust collector.Additionally, arrange roller, wind in floor brush of dust collector with traditional
Fanning or arrange in ground brush body silencing cavity, the noise reduction schemes filling sound-absorbing medium is compared, the floor brush of dust collector knot in this programme
Structure is simple and low cost.
It addition, can also have the technical characteristic added as follows according to the floor brush of dust collector of the present invention:
Angle according to some embodiments of the present invention, between described front dust bar and described normal to a surface direction for clearance
Degree α meets: 30 °≤α≤60 °.
Alternatively, the angle [alpha] between described front dust bar and described normal to a surface direction for clearance meets: α=45 °.
According to some embodiments of the present invention, distance a between upper end and the described base plate of described nose air intake meets: a
≥3mm。
According to some embodiments of the present invention, the plurality of nose air intake is symmetrical relative to the centrosymmetry face of described body
Arrange, and the distance between adjacent nose air intake.
Specifically, on the direction towards described centrosymmetry face, the distance between adjacent nose air intake is gradually reduced.
According to some embodiments of the present invention, area summation S1 of the plurality of nose air intake meets: 200mm2≤S1≤
400mm2。
Further, at least side of described body also has the side-inlet connected with described air channel.
Specifically, the height of described side-inlet is less than the height of described nose air intake, and degree of depth d of described side-inlet
Meet: d >=5mm.
Specifically, area summation S2 of described side-inlet meets: 100mm2≤S2≤300mm2。
Alternatively, area summation S1 of the plurality of nose air intake, area summation S2 of described side-inlet meet:
300mm2≤S1+S2≤500mm2。
According to some embodiments of the present invention, described air channel includes: front face, and described front face is from front to back, from two
Side is gradually increased to the distance between on middle direction and described surface for clearance, and described air vent is located at described front face
On；Rear surface, the cross section of described rear surface is arc and its upper end and described front face rounding off, and described air vent is located at
On described rear surface and with described rear surface rounding off；Two side wall surfaces, said two side wall surface be connected to described before
Wall and the both sides of rear surface；Lower wall surface, described lower wall surface is connected with described air vent, and described lower wall surface is formed as curved surface, institute
State the angle between the tangent line of any point of lower wall surface projection on the centrosymmetry face of described body and described surface for clearance
Degree β meets: β≤45 °.
Specifically, the height h of described side wall surface meets: h≤3mm.
According to some embodiments of the present invention, the cambered surface radius of the arc transition between described rear surface and described air vent
D meets: D >=25mm.
According to some embodiments of the present invention, the cross section of described air vent is formed as oval, the length of described ellipse
Axle is parallel to described base plate, and the short axle of described ellipse is perpendicular to described base plate.
According to other embodiments of the present invention, the cross section of described air vent is formed as circular or is more than the polygon of four limits
Shape.
Vacuum cleaner according to a second aspect of the present invention, including: body and the vacuum cleaner according to the above-mentioned first aspect of the present invention
Scrubbing brush, described floor brush of dust collector is connected with described body by connecting tube.
Vacuum cleaner according to a second aspect of the present invention, by arranging the vacuum cleaner ground according to the above-mentioned first aspect of the present invention
Brush, the dust collection capacity that improve vacuum cleaner, the noise reducing vacuum cleaner and simplify the structure of vacuum cleaner, reduce vacuum cleaner
Cost.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the structural representation of floor brush of dust collector according to embodiments of the present invention；
Fig. 2 is another structural representation of the floor brush of dust collector shown in Fig. 1；
Fig. 3 is the partial sectional view of floor brush of dust collector according to embodiments of the present invention；
Fig. 4 is another partial sectional view of floor brush of dust collector according to embodiments of the present invention.
Reference:
Floor brush of dust collector 100,
Body 1, air channel 11, front face 111, rear surface 112, side wall surface 113, lower wall surface 114, base plate 12, air vent 13,
Side-inlet 14,
Front dust bar 2, nose air intake 21,
Rear dust bar 3.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the instruction such as " outward "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not understood that
For indicating or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include one or more this feature.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Below with reference to Fig. 1-Fig. 4, floor brush of dust collector 100 according to embodiments of the present invention is described.Wherein, floor brush of dust collector 100
May be used for vacuum cleaner, such as vacuum cleaner etc..
As depicted in figs. 1 and 2, the floor brush of dust collector 100 of embodiment according to a first aspect of the present invention, including: body 1 and front
Dust bar 2.
Specifically, in body 1, limit air channel 11, the base plate 12 of body 1 has the pump orifice connected with air channel 11, this
The rear side of body 1 has air vent 13.Body 1 covers when surface for clearance (such as, carpet, floor, sofa etc.), air channel 11 with
Bubble-tight space is formed between surface for clearance.Wherein, air vent 13 can be with connecting tube such as flexible pipe (not shown) phase
Even, with by the dust-collection element being delivered in the vacuum cleaner such as dirt cup on surface for clearance.
Front dust bar 2 is located at the front end of body 1 to support floor brush of dust collector 100 on surface for clearance, and can be by air channel
11 keep apart with surface to be cleaned.Front dust bar 2 is provided with multiple (such as, six, eight etc.) connected with air channel 11 and advances
QI KOU 21, front dust bar 2 tilts relative to normal to a surface direction for clearance.Air-flow can enter dust suction through nose air intake 21
In device scrubbing brush 100, and air-flow is when nose air intake 21, can effectively accelerate, consequently facilitating thing for clearance is sucked air channel
11。
Here, it should be noted that in describing the invention, except as otherwise noted, " multiple " be meant that two or
Two or more.It addition, " normal to a surface for clearance " refers to the line vertical with surface for clearance.
Wherein, front dust bar 2 can be relative to normal to a surface direction for clearance towards in floor brush of dust collector 100
The direction of the heart tilts, it is also possible to be directed away from the side at the center of floor brush of dust collector 100 relative to normal to a surface direction for clearance
To inclination.
For example, referring to Fig. 3 and Fig. 4, front dust bar 2 relative to normal to a surface direction for clearance towards near vacuum cleaner ground
The direction at the center of brush 100 tilts, say, that front dust bar 2 can be along the direction of air current flow to floor brush of dust collector 100
Tilted installation, i.e. tilts to install towards air channel 11.Thus, the air-flow entering nose air intake 21 can be played by front dust bar 2
The effect of water conservancy diversion, meanwhile, is parallel to the mounting means of normal to a surface to be cleaned, front dust compared to traditional front dust bar 2
Bar 2 tilts relative to normal to a surface to be cleaned installs the angle reducing front dust bar 2 with the top in air channel 11, thus reduces
The eddy current stagnation region that air-flow is formed in above-mentioned angle because entering the most long-pending drastically expansion the in air channel 11, and then reduce and make an uproar
Sound.
Additionally, front dust bar 2 tilts to install relative to normal to a surface direction to be cleaned, can make to enter from nose air intake 21
The air-flow part entering floor brush of dust collector 100 impacts surface to be cleaned obliquely, thus is easier to roll on surface to be cleaned
Thing for clearance, and through surface for clearance reflection rear portion air-flow velocity attitude be diagonal upward direction, can the row of being directly entered
QI KOU 13, decreases the air channel 11 impact to air-flow, thus reduce further noise, and at the consistency of thickness of front dust bar 2
In the case of, front dust bar 2 tilts to install relative to normal to a surface direction to be cleaned, can effectively increase front dust bar 2
With the contact area on surface to be cleaned, thus improve floor brush of dust collector 100 when working, between air channel 11 and surface to be cleaned
Sealing, and then improve the dust collection capacity of floor brush of dust collector 100.
Alternatively, the longitudinal cross-section of nose air intake 21 can be formed as rectangle, square, trapezoidal etc., simple in construction, easily
In processing.
Such as, during vacuum cleaner work, the body 1 of floor brush of dust collector 100 covers on surface for clearance, and air-flow can be in the past
Air inlet 21 enters in floor brush of dust collector 100, and the thing for clearance such as dust on surface for clearance, hair is inhaled into dust suction with air-flow
In the dirt cup of device.
Alternatively, front dust bar 2 can be the lath being made up of plastics or plastics hair, but is not limited to this.
Floor brush of dust collector 100 according to embodiments of the present invention, by by front dust bar 2 relative to normal to a surface for clearance
Direction is obliquely installed, and optimizes the air channel 11 of floor brush of dust collector 100, improves the air flow state in floor brush of dust collector 100,
It is effectively improved the dust collection capacity of floor brush of dust collector 100 and reduces the noise of floor brush of dust collector 100.Additionally, with traditional
Arranging roller, fan in floor brush of dust collector or arrange silencing cavity on body, the noise reduction schemes filling sound-absorbing medium is compared, this
Floor brush of dust collector 100 simple in construction in scheme and low cost.
According to some embodiments of the present invention, the angle [alpha] between front dust bar 2 and normal to a surface direction for clearance is full
Foot: 30 °≤α≤60 °.Its concrete numerical value can be according to the concrete specifications and models adjusted design of floor brush of dust collector 100, and such as, α can
To meet further: α=45 °, α=30 ° or α=60 ° degree.Thus, it is simple to the assembling of front dust bar 2 and can being effectively improved
The dust collection capacity of floor brush of dust collector 100, and significantly reduce the noise of front dust bar 2.
According to some embodiments of the present invention, distance a between upper end and the base plate 12 of nose air intake 21 meets: a >=
3mm.Its concrete numerical value can be according to the concrete specifications and models adjusted design of floor brush of dust collector 100, and such as, a can expire further
Foot: a=3mm or a=5mm etc..Thus, it is possible to the distance efficiently controlled between the upper end of nose air intake 21 and base plate 12, protect
The water conservancy diversion effect of dust bar 2 before card.
Further, at least side of body 1 also has the side-inlet 14 connected with air channel 11.It is to say, it is permissible
In the left side of body 1, the side-inlet 14 connected with air channel 11 is set with the wherein arbitrarily side in right side, it is also possible at body 1
Left side the side-inlet 14 connected with air channel 11 is set with right side simultaneously.For example, referring to Fig. 1 and Fig. 2, the left side of body 1 and
Right side is respectively equipped with a side-inlet 14.It is, of course, understood that the left side of body 1 and right side can also be respectively equipped with
Multiple side-inlets 14.Thus, air-flow can enter in floor brush of dust collector 100 from side-inlet 14.For convenience of describing, at this
In bright explained below, the air-flow entering floor brush of dust collector 100 from nose air intake 21 is referred to as " forward direction air-flow ", will be from side air inlet
Mouth 14 enters the air-flows of floor brush of dust collector 100 and is referred to as " lateral airflow ".
Alternatively, the longitudinal cross-section of side-inlet 14 can be formed as square, square or trapezoidal, but is not limited to this.
According to some embodiments of the present invention, multiple nose air intakes 21 are arranged symmetrically with relative to the centrosymmetry face of body 1,
And the distance between adjacent nose air intake 21.Such as, it is positioned in multiple nose air intakes 21 of the same side, centrosymmetry face, phase
The adjacent distance between nose air intake 21 is unequal.Specifically, on the direction towards centrosymmetry face, adjacent nose air intake 21
Between distance be gradually reduced.
Such as, in the example of fig. 1, multiple nose air intakes 21 of centrosymmetry right side of face, towards centrosymmetry face
On direction (such as, direction from right to left in Fig. 1), the distance between adjacent nose air intake 21 is gradually reduced.Thus, it is possible to increase
The air-flow i.e. circulation area of lateral airflow entered from side-inlet 14 greatly, reduces the flow velocity of lateral airflow, thus reduces and make an uproar
Sound.Owing to the closer to centrosymmetry face, the cross-sectional area in air channel 11 is the biggest, by reducing the adjacent advance near centrosymmetry face
Distance between QI KOU 21, can reduce from the air-flow i.e. forward direction air-flow of nose air intake 21 entrance effectively to from side-inlet 14
The impact of the air-flow i.e. circulation area of lateral airflow entered, thus reduce the noise that two bursts of gas shocks produce.
Such as, in the example of fig. 1, front dust bar 2 is provided with six nose air intakes 21, wherein, the left side in centrosymmetry face
Side is provided with three nose air intakes 21, and the right side in centrosymmetry face is provided with above three nose air intake 21 about centrosymmetry
Three nose air intakes 21 that face is symmetrical.Specifically, for ease of describing, will be located in three nose air intakes 21 of centrosymmetry right side of face
Being called the first nose air intake the 21, second nose air intake 21 and the 3rd nose air intake 21, wherein the first nose air intake 21 is neighbouring
Centrosymmetry face, the 3rd nose air intake 21 is away from centrosymmetry face, and the second nose air intake 21 is positioned at the first nose air intake 21 and
Between three nose air intakes 21.Wherein, the distance between the first nose air intake 21 and the second nose air intake 21 is d1, air inlet before second
Spacing between mouth 21 and the 3rd nose air intake 21 is that d2, d1 and d2 meet: d1 ＜ d2.
According to some embodiments of the present invention, area summation S1 of multiple nose air intakes 21 meets: 200mm2≤S1≤
400mm2.Its concrete numerical value can be according to the concrete specifications and models adjusted design of floor brush of dust collector 100, and this is not made to have by the present invention
Body limits.Such as, S1 can meet further: S1=200mm2、300mm2Or 400mm2Deng.Thus, nose air intake 21 can be made
Area summation moderate, ensureing on the premise of floor brush of dust collector 100 dust collection capacity, significantly reducing floor brush of dust collector 100
Noise.
According to some embodiments of the present invention, area summation S2 of multiple side-inlets 14 meets: 100mm2≤S2≤
300mm2.Its concrete numerical value can be according to the concrete specifications and models adjusted design of floor brush of dust collector 100, and this is not made to have by the present invention
Body limits.Such as, S2 can meet further: S2=100mm2、200mm2Or 300mm2Deng.Thus, side-inlet 14 can be made
Area summation moderate, ensureing on the premise of floor brush of dust collector 100 dust collection capacity, create a further reduction floor brush of dust collector
The noise of 100.
According to other embodiments of the present invention, area summation S1 of multiple nose air intakes 21, the area of side-inlet 14
Summation S2 meets: 300mm2≤S1+S2≤500mm2.Thus, equally before ensureing floor brush of dust collector 100 dust collection capacity
Put, reduce the noise of floor brush of dust collector 100.
Specifically, the height of side-inlet 14 is less than the height of nose air intake 21, and degree of depth e of side-inlet 14 meets: e
≥5mm.Its concrete numerical value can be according to the concrete specifications and models adjusted design of floor brush of dust collector 100, and this is not made to have by the present invention
Body limits.Such as, e can meet further: e=5mm, 10mm or 15mm etc..Thus, lateral airflow can be made at table for clearance
Produce bigger tangential force on face, improve dust removing effects, and so that forward direction air-flow is layered with lateral airflow, reduce two strands of gas
The impact of stream, thus create a further reduction the noise of floor brush of dust collector 100.
Here, it should be noted that " height of side-inlet 14 " described in the application refers to side-inlet 14
Distance between upper end and surface for clearance, " height of nose air intake 21 " refers to the upper end of nose air intake 21 and table for clearance
Distance between face.
According to some embodiments of the present invention, with reference to Fig. 3 and combine Fig. 4, air channel 11 includes: front face 111, rear surface
112, two side wall surfaces 113 and lower wall surface 114.
Wherein, the front face 111 distance from front to back, from both sides to middle direction and surface for clearance by
Cumulative adding, air vent 13 is located on front face 111.Thus, it is possible to increase the circulation area of air-flow, reduce the flow velocity of air-flow, from
And significantly reduce noise.Alternatively, front face 111 can be formed as arcwall face, but is not limited to this.
The cross section of rear surface 112 is arc and its upper end and front face 111 rounding off, and air vent 13 is located at rear surface
On 112 and with rear surface 112 rounding off.Thus, it is possible to make lateral airflow move near rear surface 112, and along rear wall
Air vent 13 is discharged in face 112, thus reduces the flow resistance of lateral airflow, reduces the noise of floor brush of dust collector 100.
Two side wall surfaces 113 are connected to front face 111 and the both sides of rear surface 112, lower wall surface 114 and air vent 13
Connect.Thus, when floor brush of dust collector 100 works, it is simple to form bubble-tight space between air channel 11 and surface to be cleaned, thus
Improve the dust removing effects of floor brush of dust collector 100.
Specifically, lower wall surface 114 is formed as curved surface, the lower wall surface 114 projection on the centrosymmetry face of body 1 arbitrary
Angle beta between tangent line and the surface for clearance of point meets: β≤45 °.Its concrete numerical value can be according to floor brush of dust collector 100
Concrete specifications and models adjusted design, this is not especially limited by the present invention.Such as, β can meet further: β=30 °, β=
15 ° etc..Thus, it is possible to efficiently control the curvature of lower wall surface 114, such that it is able to reduce the angle of inclination of lower wall surface 114, reduce
The air-flow impact to lower wall surface 114, and then efficiently reduce the noise of floor brush of dust collector 100.
Specifically, the height h of side wall surface 113 meets: h≤3mm.Such as, h can meet further: h=2mm etc..By
This, can reduce the expansion of airflow area, thus create a further reduction noise.
Alternatively, cambered surface radius D of the arc transition between rear surface 112 and air vent 13 meets: D >=25mm.Thus,
The transition between rear surface 112 and air vent 13 can be made smooth, effectively reduce the flow resistance of air-flow, and gas can be reduced
The impulsive force of stream, reduces the noise of floor brush of dust collector 100 further.
According to some embodiments of the present invention, the cross section of air vent 13 is formed as oval, oval longer axis parallel
In base plate 12, oval short axle is perpendicular to base plate 12.Thus, increase rear surface 112 further and be transitioned into air vent 13
Arc surface radius, make transition smooth, decrease the separation that brings owing to turning round when lateral airflow enters air vent 13, and permissible
While ensureing larger arc transition face, reduce the longitudinal length of air vent 13, control the angle of inclination of lower wall surface 114, make
The angle of inclination obtaining lower wall surface 114 is less, thus forward direction air-flow can be directly entered air vent 13, further reduces forward direction
The air-flow impact to lower wall surface 114, and then create a further reduction noise.
According to other embodiments of the present invention, the cross section of air vent 13 may be formed as circle or more than four limits
Polygon.Thus, the noise of floor brush of dust collector 100 is equally reduced.
Further, body 1 is provided with rear dust bar 3.With reference to Fig. 2, rear dust bar 3 can be located at the front end of base plate 12.
Rear dust bar 3 can be the fine hair shape lath being made up of plastic optical fibre, plays the effect of sealing.Specifically, floor brush of dust collector 100
When covering over a surface to be cleaned, rear dust bar 3 can be effectively improved the sealing in air channel 11, thus improves vacuum cleaner ground
The suction force of brush 100, and then improve the dust collection capacity of floor brush of dust collector 100.
Such as, during vacuum cleaner work, air-flow is inhaled into from nose air intake 21 and side-inlet 14, enters from nose air intake 21
Forward direction air-flow enter air channel 11, be expelled to connecting tube such as flexible pipe through air vent 13, subsequently into the fan unit of vacuum cleaner,
The lateral airflow entered from side-inlet 14 enters air channel 11, along the rear surface 112 in air channel 11 through air vent 13 company of being expelled to
Adapter, subsequently into fan unit, the thing for clearance on surface for clearance is inhaled in the dust arrester of vacuum cleaner such as with air-flow
In dirt cup.
A specific embodiment referring to Fig. 1-Fig. 4 description floor brush of dust collector 100 according to embodiments of the present invention.
As depicted in figs. 1 and 2, floor brush of dust collector 100 according to embodiments of the present invention, including: body 1, front dust bar 2 and
Rear dust bar 3.
Specifically, in body 1, limit air channel 11, the base plate 12 of body 1 has the pump orifice connected with air channel 11, this
The rear side of body 1 has air vent 13.Body 1 covers when surface for clearance, is formed airtight between air channel 11 and surface for clearance
The space of property.
Front dust bar 2 is located at the front end of body 1 to support floor brush of dust collector 100 on surface for clearance, and can be by air channel
11 keep apart with surface to be cleaned.It is rectangular advance that front dust bar 2 is provided with six longitudinal cross-sections connected with air channel 11
QI KOU 21, front dust bar 2 is relative to normal to a surface direction for clearance, towards the direction at center near floor brush of dust collector 100
Tilt, tilt angle alpha=45 °.Three nose air intakes 21 of the centrosymmetry left side of face of body 1 and the centrosymmetry face of body 1
Three nose air intakes 21 on right side are arranged symmetrically with relative to the centrosymmetry face of body 1, and in the direction towards centrosymmetry face
On, the distance between adjacent nose air intake 21 is gradually reduced.Distance a between upper end and the base plate 12 of nose air intake 21 meets: a
=3mm.
The left side of body 1 and right side are respectively equipped with a longitudinal cross-section side-inlet 14.The height of side-inlet 14 is less than
The height of nose air intake 21, and degree of depth e of side-inlet 14 is satisfied: e=8mm.
Area summation S1 of six nose air intakes 21 meets: S1=350mm2, area summation S2 of two side-inlets 14
Meet: S2=150mm2。
Air channel 11 includes: front face 111,112, two side wall surfaces 113 of rear surface and lower wall surface 114.Wherein, front face
111 distances from front to back, from both sides to middle direction and surface for clearance are gradually increased, front face 111 shape
Becoming arcwall face, air vent 13 is located on front face 111.The cross section of rear surface 112 is arc and its upper end and front face 111
Rounding off, air vent 13 be located on rear surface 112 and with rear surface 112 rounding off, between rear surface 112 and air vent 13
Arc transition cambered surface radius D meet: D=30mm.
Two side wall surfaces 113 are connected to front face 111 and the both sides of rear surface 112, lower wall surface 114 and air vent 13
Connecting, lower wall surface 114 is formed as curved surface, the tangent line of any point of the lower wall surface 114 projection on the centrosymmetry face of body 1 with
Angle beta between surface for clearance meets: β=40 °.The height h of side wall surface 113 meets: h=1.5mm.Air vent 13 transversal
Face is formed as oval, and oval longer axis parallel is perpendicular to base plate 12 in base plate 12, oval short axle.
Rear dust bar 3 is located at the front end of base plate 12.Rear dust bar 3 is the fine hair shape lath being made up of plastic optical fibre, permissible
It is effectively improved the sealing in air channel 11, thus improves the suction force of floor brush of dust collector 100, and then improve floor brush of dust collector
The dust collection capacity of 100.
For the anti-acoustic capability of floor brush of dust collector 100 of the checking embodiment of the present invention, special make palm, and represent existing market
A floor brush of dust collector 100 of upper scrubbing brush performance general level carries out noise and floor dust collection capacity test comparison.Wherein, noise
The test procedure of the airborne noise that method of testing reference standard IEC60704-1 domestic and similar applications electrical equipment send, uses hemisphere
Face layout method arrange microphone position, radius r=1.5m.
Can be seen that the floor brush of dust collector 100 of the embodiment of the present invention is in low-frequency range (< 200HZ) and medium-high frequency section by test
(> 800HZ) level of noise declines to a great extent.Wherein, the reason that low-frequency range level of noise declines is: oval air vent 13 with after
Wall 112 uses big arc surface to smoothly transit, and makes air current flow separate minimizing with rear surface 112, decreases big whirlpool.
Additionally, front dust bar 2 normal to a surface the most to be cleaned direction is obliquely installed, nose air intake 21 and lower wall surface 114
Setting, decrease impact noise.The reason that high band noise declines is: front dust bar 2 normal to a surface side the most to be cleaned
To being obliquely installed and so that the flow direction of part forward direction air-flow is diagonal upward direction, form layering with lateral airflow, with
Time side, centrosymmetry face adjacent air inlet between the non-homogeneous set-up mode of distance decrease forward direction air-flow to lateral airflow
Interference, thus decrease flow perturbation produce little whirlpool.
Dust collection capacity method of testing reference standard IEC60312, after tested, the dust collection capacity of reference floor brush of dust collector 100 is i.e.
Efficiency of dust collection is about 94.5%, and the efficiency of dust collection of the floor brush of dust collector 100 of the embodiment of the present invention is about 96.5%, has bright
Aobvious lifting, its reason is that side-inlet 14 makes air-flow have bigger impact to ground, the most front dust bar 2 surface the most to be cleaned
Normal direction be obliquely installed, increase the sealing in floor brush of dust collector 100 moving process, also improve efficiency of dust collection.
Experiment shows, compared with the floor brush of dust collector 100 representing floor brush of dust collector performance general level in the market, makes an uproar
Sound declines about 6dB, and dust collection capacity about improves two percentage points, and effect is notable, and multiple experimental result is stable.
Floor brush of dust collector 100 according to embodiments of the present invention, optimizes the air channel 11 of floor brush of dust collector 100, improves suction
Air flow state in dirt device scrubbing brush 100, is effectively improved the dust collection capacity of floor brush of dust collector 100 and reduces vacuum cleaner
The noise of scrubbing brush 100, and simple in construction, low cost.
The vacuum cleaner of embodiment according to a second aspect of the present invention, including: body and real according to the above-mentioned first aspect of the present invention
Executing the floor brush of dust collector 100 of example, floor brush of dust collector 100 is connected with body by connecting tube such as flexible pipe.Wherein, vacuum cleaner is permissible
For vertical type dust collector or horizontal dust collector etc..
The vacuum cleaner of embodiment according to a second aspect of the present invention, by arranging according to the present invention above-mentioned first aspect embodiment
Floor brush of dust collector 100, the dust collection capacity that improve vacuum cleaner, the noise reducing vacuum cleaner and simplify the knot of vacuum cleaner
Structure, reduce the cost of vacuum cleaner.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot
Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
These embodiments can be carried out multiple change in the case of departing from the principle of the present invention and objective, revise, replace and modification, this
The scope of invention is limited by claim and equivalent thereof.
Claims (17)
1. a floor brush of dust collector, it is characterised in that including:
Body, described the internal air channel that limits, the base plate of described body has the pump orifice connected with described air channel, described
The rear side of body has an air vent, and described body covers when surface for clearance shape between described air channel and described surface for clearance
Become bubble-tight space；
Front dust bar, described front dust bar is located at the front end of described body to support described vacuum cleaner on described surface for clearance
Scrubbing brush, described front dust bar is provided with the multiple nose air intakes connected with described air channel, and described front dust bar is treated relative to described
Cleaning normal to a surface direction tilts.
Floor brush of dust collector the most according to claim 1, it is characterised in that described front dust bar and described surface for clearance
Angle [alpha] between normal direction meets: 30 °≤α≤60 °.
Floor brush of dust collector the most according to claim 2, it is characterised in that described front dust bar and described surface for clearance
Angle [alpha] between normal direction meets: α=45 °.
Floor brush of dust collector the most according to claim 1, it is characterised in that the upper end of described nose air intake and described base plate it
Between distance a meet: a >=3mm.
Floor brush of dust collector the most according to claim 1, it is characterised in that the plurality of nose air intake is relative to described body
Centrosymmetry face be arranged symmetrically with, and the distance between adjacent nose air intake.
Floor brush of dust collector the most according to claim 5, it is characterised in that on the direction towards described centrosymmetry face,
Distance between described adjacent nose air intake is gradually reduced.
Floor brush of dust collector the most according to claim 1, it is characterised in that area summation S1 of the plurality of nose air intake is full
Foot: 200mm2≤S1≤400mm2。
Floor brush of dust collector the most according to claim 1, it is characterised in that at least side of described body also has with described
The side-inlet of air channel connection.
Floor brush of dust collector the most according to claim 8, it is characterised in that the height of described side-inlet is less than described advance
The height of QI KOU, and degree of depth d of described side-inlet is satisfied: d >=5mm.
Floor brush of dust collector the most according to claim 8, it is characterised in that area summation S2 of described side-inlet meets:
100mm2≤S2≤300mm2。
11. floor brush of dust collector according to claim 10, it is characterised in that the area summation of the plurality of nose air intake
S1, area summation S2 of described side-inlet meet: 300mm2≤S1+S2≤500mm2。
12. according to the floor brush of dust collector according to any one of claim 1-11, it is characterised in that described air channel includes:
Front face, described front face from front to back, from both sides to middle direction and described surface for clearance away from
From being gradually increased, described air vent is located on described front face；
Rear surface, the cross section of described rear surface is arc and its upper end and described front face rounding off, and described air vent sets
In the rear on wall and with described rear surface rounding off；
Two side wall surfaces, said two side wall surface is connected to the both sides of described front face and rear surface；
Lower wall surface, described lower wall surface is connected with described air vent, and described lower wall surface is formed as curved surface, and described lower wall surface is at described
Angle beta between tangent line and the described surface for clearance of any point of the projection on the centrosymmetry face of body meets: β≤45 °.
13. floor brush of dust collector according to claim 12, it is characterised in that the height h of described side wall surface meets: h≤
3mm。
14. floor brush of dust collector according to claim 12, it is characterised in that between described rear surface and described air vent
Cambered surface radius D of arc transition meets: D >=25mm.
15. floor brush of dust collector according to claim 1, it is characterised in that the cross section of described air vent is formed as oval
Shape, the longer axis parallel of described ellipse is perpendicular to described base plate in described base plate, the short axle of described ellipse.
16. floor brush of dust collector according to claim 1, it is characterised in that the cross section of described air vent is formed as circular
Or the polygon more than four limits.
17. 1 kinds of vacuum cleaners, it is characterised in that including:
Body；
According to the floor brush of dust collector according to any one of claim 1-16, described floor brush of dust collector is by connecting tube and described machine
Body connects.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669310.1A CN106108778B (en) | 2016-08-15 | 2016-08-15 | Dust collector floor brush and dust collector |
| EP16913370.9A EP3461384B1 (en) | 2016-08-15 | 2016-10-31 | Floor brush of dust collector and dust collector |
| PCT/CN2016/104125 WO2018032615A1 (en) | 2016-08-15 | 2016-10-31 | Floor brush of dust collector and dust collector |
| US16/233,133 US11103114B2 (en) | 2016-08-15 | 2018-12-27 | Ground brush for cleaning appliance and cleaning appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669310.1A CN106108778B (en) | 2016-08-15 | 2016-08-15 | Dust collector floor brush and dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106108778A true CN106108778A (en) | 2016-11-16 |
| CN106108778B CN106108778B (en) | 2020-08-04 |
Family
ID=57258237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610669310.1A Active CN106108778B (en) | 2016-08-15 | 2016-08-15 | Dust collector floor brush and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106108778B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710136A (en) * | 2018-11-09 | 2021-11-26 | 广东美的白色家电技术创新中心有限公司 | Floor sweeping robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113710136A (en) * | 2018-11-09 | 2021-11-26 | 广东美的白色家电技术创新中心有限公司 | Floor sweeping robot |
| CN113710136B (en) * | 2018-11-09 | 2023-03-31 | 广东美的白色家电技术创新中心有限公司 | Floor sweeping robot |
| US11910972B2 (en) | 2018-11-09 | 2024-02-27 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Sweeping robot |
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| CN106108778B (en) | 2020-08-04 |
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Effective date of registration: 20201217 Address after: 528311 4 Global Innovation Center, industrial road, Beijiao Town, Shunde District, Foshan, Guangdong, China Patentee after: GUANGDONG MEIDI WHITE HOUSEHOLD ELECTRICAL APPLIANCE TECHNOLOGY INNOVATION CENTER Co.,Ltd. Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. |
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