CN206228290U - Floor brush of dust collector and dust catcher - Google Patents
Floor brush of dust collector and dust catcher Download PDFInfo
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- CN206228290U CN206228290U CN201620883805.XU CN201620883805U CN206228290U CN 206228290 U CN206228290 U CN 206228290U CN 201620883805 U CN201620883805 U CN 201620883805U CN 206228290 U CN206228290 U CN 206228290U
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- floor brush
- dust collector
- dust
- clearance
- collector according
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Abstract
The utility model discloses a kind of floor brush of dust collector and the dust catcher with it, floor brush of dust collector includes:Body and preceding dust bar, limit air channel in body, have the pump orifice connected with air channel on the base plate of body, and the rear side of body has exhaust outlet, forms the space of air-tightness when body is covered in surface for clearance between air channel and surface for clearance;Preceding dust bar is located at the front end of body to support floor brush of dust collector, preceding dust bar to be provided with the multiple nose air intakes connected with air channel on surface for clearance, and preceding dust bar is inclined relative to normal to a surface direction for clearance.According to floor brush of dust collector of the present utility model, the air channel of floor brush of dust collector is optimized, 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 structure, low cost.
Description
Technical field
The utility model is related to household electrical appliance technical field, more particularly, to a kind of floor brush of dust collector and dust catcher.
Background technology
In correlation technique, dust catcher such as vacuum cleaner is reached by producing negative pressure to suck the debris such as dust, hair
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
Air channel with scrubbing brush is closely related.Wherein, dust collection capacity on the one hand by dust collector host produce suction determine, but in dust suction
On the premise of device main frame determines, the air channel structure of scrubbing brush, such as effective area of scrubbing brush air inlet, road clearance determine air-flow
It is distributed into VELOCITY DISTRIBUTION during scrubbing brush, scrubbing brush internal pressure, and then influences dust removing effects.Based on the noise source of dust catcher is main
Machine and scrubbing brush.Main frame produce noise, scrubbing brush noise to be mainly air-flow at a high speed with mechanical oscillation due to running at high speed for motor internal
The aerodynamic noise for producing is flowed, is directly affected by scrubbing brush air channel.
However, the dust collection capacity of dust catcher and the index that noise is often 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;Reducing flow velocity can reduce pneumatic making an uproar
Sound, but dust collection capacity can be also reduced simultaneously.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of floor brush of dust collector, and the dust collection capacity of the floor brush of dust collector is strong, small noise and simple structure, cost
It is low.
Another purpose of the present utility model is to propose a kind of dust catcher with above-mentioned floor brush of dust collector.
According to the floor brush of dust collector of the utility model first aspect, including:Body, limits air channel, institute in the body
The pump orifice for having on the base plate of body and being connected with the air channel is stated, the rear side of the body has exhaust outlet, and the body covers
Cover the space for forming air-tightness between the air channel and the surface for clearance at surface for clearance;Preceding dust bar, it is described before
Dust bar is located at the front end of the body to support the floor brush of dust collector on the surface for clearance, on the preceding dust bar
The multiple nose air intakes connected with the air channel are provided with, the preceding dust bar inclines relative to the normal to a surface direction for clearance
Tiltedly.
According to floor brush of dust collector of the present utility model, incline relative to normal to a surface direction for clearance by by preceding dust bar
Tiltedly set, optimize the air channel of floor brush of dust collector, improve the air flow state in floor brush of dust collector, be effectively improved suction
The dust collection capacity of dirt device scrubbing brush simultaneously reduces the noise of floor brush of dust collector.Additionally, setting rolling in floor brush of dust collector with traditional
Wheel, fan set silencing cavity in ground brush body, and the noise reduction schemes for filling sound-absorbing medium are compared, the dust catcher ground in this programme
Brush configuration is simple and low cost.
In addition, can also have following additional technical characteristic according to floor brush of dust collector of the present utility model:
According to some embodiments of the present utility model, between the preceding dust bar and the normal to a surface direction for clearance
Angle [alpha] meet:30°≤α≤60°.
Alternatively, the angle [alpha] between the preceding dust bar and the normal to a surface direction for clearance meets:α=45 °.
According to some embodiments of the present utility model, the distance between the upper end of the nose air intake and described base plate a expire
Foot:a≥3mm.
According to some embodiments of the present utility model, Central Symmetry face of the multiple nose air intake relative to the body
The distance between it is arranged symmetrically, and adjacent nose air intake.
Specifically, on the direction towards the Central Symmetry face, the distance between adjacent nose air intake is gradually reduced.
According to some embodiments of the present utility model, the area summation S1 of the multiple nose air intake meets:200mm2≤
S1≤400mm2。
Further, at least side of the body also has the side-inlet connected with the air channel.
Specifically, the height of the side-inlet less than the nose air intake height, and the side-inlet depth d
Meet:d≥5mm.
Specifically, the area summation S2 of the side-inlet meets:100mm2≤S2≤300mm2。
Alternatively, the area summation S1 of the multiple nose air intake, the area summation S2 of the side-inlet meet:
300mm2≤S1+S2≤500mm2。
According to some embodiments of the present utility model, the air channel includes:Front face, the front face from front to back,
Gradually increase from both sides to middle direction with the distance between the surface for clearance, the exhaust outlet is located at the antetheca
On face;Rear surface, the cross section of the rear surface is arc and its upper end and the front face rounding off, and the exhaust outlet sets
In the rear on wall and with the rear surface rounding off;Two side walls, described two side walls are connected to described
The both sides of front face and rear surface;Lower wall surface, the lower wall surface is connected with the exhaust outlet, and the lower wall surface is formed as curved surface,
Between the tangent line of any point of projection of the lower wall surface on the Central Symmetry face of the body and the surface for clearance
Angle beta meets:β≤45°.
Specifically, the height h of the side wall meets:h≤3mm.
According to some embodiments of the present utility model, the cambered surface of the arc transition between the rear surface and the exhaust outlet
Radius D meets:D≥25mm.
According to some embodiments of the present utility model, the cross section of the exhaust outlet is formed as oval, the ellipse
Longer axis parallel in the base plate, the oval short axle is perpendicular to the base plate.
According to other embodiments of the present utility model, the cross section of the exhaust outlet is formed as circle or more than four sides
Polygon.
According to the dust catcher of the utility model second aspect, including:Body and according to the above-mentioned first aspect of the utility model
Floor brush of dust collector, the floor brush of dust collector connected by connecting tube with the body.
According to the dust catcher of the utility model second aspect, by setting the suction according to the above-mentioned first aspect of the utility model
Dirt device scrubbing brush, the dust collection capacity that improve dust catcher, the noise for reducing dust catcher and simplify dust catcher structure, reduce
The cost of dust catcher.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of the floor brush of dust collector according to the utility model embodiment;
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 the floor brush of dust collector according to the utility model embodiment;
Fig. 4 is another partial sectional view of the floor brush of dust collector according to the utility model embodiment.
Reference:
Floor brush of dust collector 100,
Body 1, air channel 11, front face 111, rear surface 112, side wall 113, lower wall surface 114, base plate 12, exhaust outlet 13,
Side-inlet 14,
Preceding dust bar 2, nose air intake 21,
Dust bar 3 afterwards.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " etc.
The orientation or position relationship of instruction are, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model
Described with simplified, must be with specific orientation, with specific orientation structure rather than the device or element for indicating or imply meaning
Make and operate, therefore it is not intended that to limitation of the present utility model.Additionally, term " first ", " second " are only used for describing mesh
, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection;Can mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The floor brush of dust collector 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 4.Wherein, dust catcher ground
Brush 100 can be used for dust catcher, such as vacuum cleaner etc..
As depicted in figs. 1 and 2, according to the floor brush of dust collector 100 of the utility model first aspect embodiment, including:Body 1
With preceding dust bar 2.
Specifically, exhaust passage 11 is limited in body 1, there is the pump orifice connected with air channel 11 on the base plate 12 of body 1, this
The rear side of body 1 has exhaust outlet 13.When body 1 is covered in surface for clearance (for example, carpet, floor, sofa etc.), air channel 11 with
The space of air-tightness is formed between surface for clearance.Wherein, exhaust outlet 13 can be with connecting tube such as flexible pipe (not shown) phase
Even, by the dust-collection element being delivered in the dust catcher such as dirt cup on surface for clearance.
Preceding 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.Preceding dust bar 2 is provided with the multiple (for example, six, eight etc.) connected with air channel 11 and advances
Gas port 21, preceding dust bar 2 is inclined relative to normal to a surface direction for clearance.Air-flow can enter dust suction by nose air intake 21
In device scrubbing brush 100, and air-flow by nose air intake 21 when, can effectively accelerate, consequently facilitating by thing for clearance suck air channel
11。
Here, it is necessary to explanation, in description of the present utility model, unless otherwise indicated, " multiple " is meant that two
Individual or two or more.In addition, " normal to a surface for clearance " refers to the line vertical with surface for clearance.
Wherein, preceding 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 inclines, it is also possible to relative to the side at the center that normal to a surface direction for clearance is directed away from floor brush of dust collector 100
To inclination.
For example, referring to Fig. 3 and Fig. 4, preceding dust bar 2 is relative to normal to a surface direction for clearance towards near dust catcher ground
The direction at the center of brush 100 inclines, that is to say, that preceding dust bar 2 can be along the direction of air current flow to floor brush of dust collector 100
Tilted installation, i.e., incline towards air channel 11 and install.Thus, preceding dust bar 2 can be played to the air-flow for entering nose air intake 21
The effect of water conservancy diversion, meanwhile, compared to traditional preceding dust bar 2 parallel to normal to a surface to be cleaned mounting means, preceding dust
Bar 2 inclines the angle installed and reduce preceding dust bar 2 and the top in air channel 11 relative to normal to a surface to be cleaned, so as to reduce
Air-flow is made an uproar because entering the vortex stagnation region that product drastically expands and formed in above-mentioned angle below of air channel 11, and then reducing
Sound.
Additionally, preceding dust bar 2 is inclined relative to normal to a surface direction to be cleaned installing, may be such that and enter from nose air intake 21
The air-flow part for entering floor brush of dust collector 100 impacts surface to be cleaned obliquely, so as to be easier to roll on surface to be cleaned
Thing for clearance, and be diagonal upward direction through the velocity attitude that rear portion air-flow is reflected on surface for clearance, can the row of being directly entered
Gas port 13, reduces impact of the air channel 11 to air-flow, so as to reduce further noise, and in the consistency of thickness of preceding dust bar 2
In the case of, preceding dust bar 2 is inclined relative to normal to a surface direction to be cleaned and installed, and can effectively increase preceding dust bar 2
With the contact area on surface to be cleaned, so as to improve floor brush of dust collector 100 work when, 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 structure, easily
In processing.
For example, when dust catcher works, the body 1 of floor brush of dust collector 100 is covered on surface for clearance, 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, hair on surface for clearance is inhaled into dust suction with air-flow
In the dirt cup of device.
Alternatively, preceding dust bar 2 can be but the not limited to this by plastics or the plastics lath that is made of hair.
Floor brush of dust collector 100 according to the utility model embodiment, by by preceding dust bar 2 relative to surface for clearance
Normal direction is obliquely installed, and optimizes the air channel 11 of floor brush of dust collector 100, improves the air current flow in floor brush of dust collector 100
State, 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 biography
Setting roller, the fan in floor brush of dust collector of system sets silencing cavity on body, fills the noise reduction schemes phase of sound-absorbing medium
Than the simple structure of floor brush of dust collector 100 and low cost in this programme.
According to some embodiments of the present utility model, the angle [alpha] between preceding dust bar 2 and normal to a surface direction for clearance
Meet:30°≤α≤60°.Its concrete numerical value can be according to the The concrete specification model adjusted design of floor brush of dust collector 100, for example, α
Can further meet:α=45 °, α=30 ° or α=60 ° degree.Thus, it is easy to the assembling of preceding dust bar 2 and can effectively carries
The dust collection capacity of floor brush of dust collector high 100, and significantly reduce the noise of preceding dust bar 2.
According to some embodiments of the present utility model, the distance between the upper end of nose air intake 21 and base plate 12 a meet:a
≥3mm.Its concrete numerical value can be according to the The concrete specification model adjusted design of floor brush of dust collector 100, for example, a can be further
Meet:A=3mm or a=5mm etc..Thus, it is possible to the distance between upper end and base plate 12 of nose air intake 21 are efficiently controlled,
The water conservancy diversion effect of dust bar 2 before ensureing.
Further, at least side of body 1 also has the side-inlet 14 connected with air channel 11.That is, can be with
Wherein any side in the left side and right side of body 1 sets the side-inlet 14 connected with air channel 11, it is also possible in body 1
Left side and right side the side-inlet 14 connected with air channel 11 is set 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 and right side of body 1 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, in this reality
With in new following description, " forward direction air-flow " will be referred to as from nose air intake 21 into the air-flow of floor brush of dust collector 100, will be from side
Air inlet 14 is referred to as " lateral airflow " into the air-flow of floor brush of dust collector 100.
Alternatively, the longitudinal cross-section of side-inlet 14 can be formed as square, square or trapezoidal, but not limited to this.
According to some embodiments of the present utility model, multiple nose air intakes 21 are symmetrical relative to the Central Symmetry face of body 1
The distance between arrangement, and adjacent nose air intake 21.For example, positioned at multiple nose air intakes 21 of Central Symmetry face the same side
In, the distance between adjacent nose air intake 21 is unequal.Specifically, on the direction towards Central Symmetry face, adjacent advance
The distance between gas port 21 is gradually reduced.
For example, in the example of fig. 1, multiple nose air intakes 21 of Central Symmetry right side of face, towards Central Symmetry face
On direction (for example, the direction in Fig. 1 from right to left), the distance between adjacent nose air intake 21 is gradually reduced.Thus, it is possible to increase
The big air-flow from the entrance of side-inlet 14 is the circulation area of lateral airflow, reduces the flow velocity of lateral airflow, is made an uproar so as to reduce
Sound.Because closer to Central Symmetry face, the cross-sectional area in air channel 11 is bigger, by reducing the adjacent advance near Central Symmetry face
The distance between gas port 21, to air-flow to from side-inlet 14 before can effectively reducing the air-flow entered from nose air intake 21 i.e.
The air-flow of entrance is the influence of the circulation area of lateral airflow, so as to reduce the noise that two bursts of gas shocks are produced.
For example, in the example of fig. 1, preceding dust bar 2 is provided with six nose air intakes 21, wherein, the left side in Central Symmetry face
Side is provided with three nose air intakes 21, is provided with the right side of Central Symmetry face with above three nose air intake 21 on Central Symmetry
Three symmetrical nose air intakes 21 of face.Specifically, for ease of description, three nose air intakes 21 of Central Symmetry right side of face will be located at
The first nose air intake 21, the second nose air intake 21 and the 3rd nose air intake 21 are referred to as, wherein the first nose air intake 21 is neighbouring
Central Symmetry face, away from Central Symmetry face, the second nose air intake 21 is located at the first nose air intake 21 and the to the 3rd nose air intake 21
Between three nose air intakes 21.Wherein, the distance between the first nose air intake 21 and the second nose air intake 21 are d1, air inlet before second
Spacing between the nose air intake 21 of mouth 21 and the 3rd is that d2, d1 and d2 meet:D1 < d2.
According to some embodiments of the present utility model, the area summation S1 of multiple nose air intakes 21 meets:200mm2≤S1
≤400mm2.Its concrete numerical value can be according to the The concrete specification model adjusted design of floor brush of dust collector 100, and the utility model is to this
It is not especially limited.For example, S1 can further meet:S1=200mm2、300mm2Or 400mm2Deng.Thus, may be such that advance
The area summation of gas port 21 is moderate, on the premise of the dust collection capacity of floor brush of dust collector 100 is ensured, significantly reduces dust catcher ground
The noise of brush 100.
According to some embodiments of the present utility model, the area summation S2 of multiple side-inlets 14 meets:100mm2≤S2
≤300mm2.Its concrete numerical value can be according to the The concrete specification model adjusted design of floor brush of dust collector 100, and the utility model is to this
It is not especially limited.For example, S2 can further meet:S2=100mm2、200mm2Or 300mm2Deng.Thus, may be such that side is entered
The area summation of gas port 14 is moderate, on the premise of the dust collection capacity of floor brush of dust collector 100 is ensured, create a further reduction dust catcher
The noise of scrubbing brush 100.
According to other embodiments of the present utility model, the area summation S1 of multiple nose air intakes 21, side-inlet 14
Area summation S2 meets:300mm2≤S1+S2≤500mm2.Thus, can equally the dust collection capacity of floor brush of dust collector 100 ensured
On the premise of, 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 the depth e of side-inlet 14 meets:e
≥5mm.Its concrete numerical value can according to the The concrete specification model adjusted design of floor brush of dust collector 100, the utility model to this not
Make specific restriction.For example, e can further meet:E=5mm, 10mm or 15mm etc..Thus, may be such that lateral airflow is treating clear
Reason produces larger tangential force on surface, improves dust removing effects, and is layered to air-flow and lateral airflow before can causing, reduces two
The impact of stock air-flow, so as to create a further reduction the noise of floor brush of dust collector 100.
Here, it is necessary to explanation, described " height of side-inlet 14 " refers to side-inlet 14 in the application
The 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
The distance between face.
According to some embodiments of the present utility model, reference picture 3 simultaneously combines Fig. 4, and air channel 11 includes:Front face 111, rear wall
112, two, face side wall 113 and lower wall surface 114.
Wherein, front face 111 from front to back, from both sides to middle direction with the distance surface for clearance by
Cumulative to add, exhaust outlet 13 is located on front face 111.Thus, it is possible to increase the circulation area of air-flow, the flow velocity of air-flow is reduced, from
And significantly reduce noise.Alternatively, front face 111 can be formed as arcwall face, but not limited to this.
The cross section of rear surface 112 is arc and its upper end and the rounding off of front face 111, and exhaust outlet 13 is located at rear surface
On 112 and with the rounding off of rear surface 112.Thus, it is possible to so that lateral airflow is moved near rear surface 112, and along rear wall
Exhaust outlet 13 is discharged in face 112, so as to reduce the flow resistance of lateral airflow, reduces the noise of floor brush of dust collector 100.
Two side walls 113 are connected to the both sides of front face 111 and rear surface 112, lower wall surface 114 and exhaust outlet 13
Connection.Thus, when floor brush of dust collector 100 works, it is easy between air channel 11 and surface to be cleaned form the space of air-tightness, so that
Improve the dust removing effects of floor brush of dust collector 100.
Specifically, lower wall surface 114 is formed as curved surface, any of projection of the lower wall surface 114 on the Central Symmetry face of body 1
Angle beta between the tangent line of point and surface for clearance meets:β≤45°.Its concrete numerical value can be according to floor brush of dust collector 100
The concrete specification model adjusted design, the utility model is not especially limited to this.For example, β can further meet: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, subtract
Small impact of the air-flow 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 113 meets:h≤3mm.For example, h can further meet:H=2mm etc..By
This, can reduce the expansion of airflow area, so as to create a further reduction noise.
Alternatively, the cambered surface radius D of the arc transition between rear surface 112 and exhaust outlet 13 meets:D≥25mm.Thus,
May be such that the transition between rear surface 112 and exhaust outlet 13 is smooth, effectively reduce the flow resistance of air-flow, and gas can be reduced
The impulsive force of stream, further reduces the noise of floor brush of dust collector 100.
According to some embodiments of the present utility model, the cross section of exhaust outlet 13 is formed as oval, oval major axis
Parallel to base plate 12, oval short axle is perpendicular to base plate 12.Thus, further increase rear surface 112 and be transitioned into exhaust
The circular arc radius surface of mouth 13, makes transition smooth, reduces lateral airflow into the separation brought due to turning round during exhaust outlet 13, and
The longitudinal length of exhaust outlet 13 while larger arc transition face is ensured, can be reduced, the inclination angle of lower wall surface 114 is controlled
Degree so that the angle of inclination of lower wall surface 114 is smaller, so that forward direction air-flow can be directly entered exhaust outlet 13, further reduces
Impact of the forward direction air-flow to lower wall surface 114, and then create a further reduction noise.
According to other embodiments of the present utility model, the cross section of exhaust outlet 13 may be formed as circle or more than four
The polygon on side.Thus, the noise of floor brush of dust collector 100 can equally be reduced.
Further, body 1 is provided with rear dust bar 3.Reference picture 2, rear dust bar 3 can be located at the front end of base plate 12.
Dust bar 3 can be the villiform lath being made up of plastic optical fibre afterwards, play a part of sealing.Specifically, floor brush of dust collector 100
Cover when over a surface to be cleaned, rear dust bar 3 can effectively improve the sealing in air channel 11, so as to improve dust catcher ground
The suction force of brush 100, and then improve the dust collection capacity of floor brush of dust collector 100.
For example, when dust catcher works, 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 exhaust outlet 13, subsequently into the fan unit of dust catcher,
The lateral airflow entered from side-inlet 14 enters air channel 11, along the rear surface 112 in air channel 11 through the company of being expelled to of exhaust outlet 13
Adapter, subsequently into fan unit, the thing for clearance on surface for clearance is inhaled into the dust arrester of dust catcher for example with air-flow
In dirt cup.
It is embodied according to one of the floor brush of dust collector 100 of the utility model embodiment referring to Fig. 1-Fig. 4 descriptions
Example.
As depicted in figs. 1 and 2, the floor brush of dust collector 100 according to the utility model embodiment, including:Body 1, preceding dust
Bar 2 and rear dust bar 3.
Specifically, exhaust passage 11 is limited in body 1, there is the pump orifice connected with air channel 11 on the base plate 12 of body 1, this
The rear side of body 1 has exhaust outlet 13.When body 1 is covered in surface for clearance, form airtight between air channel 11 and surface for clearance
The space of property.
Preceding 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 preceding dust bar 2 is provided with six longitudinal cross-sections connected with air channel 11
Gas port 21, preceding dust bar 2 is relative to normal to a surface direction for clearance, the direction towards the center for being close to floor brush of dust collector 100
Incline, tilt angle alpha=45 °.Three nose air intakes 21 of the Central Symmetry left side of face of body 1 and the Central Symmetry face of body 1
Three nose air intakes 21 on right side are arranged symmetrically relative to the Central Symmetry face of body 1, and in the direction towards Central Symmetry face
On, the distance between adjacent nose air intake 21 is gradually reduced.The distance between the upper end of nose air intake 21 and base plate 12 a meet:a
=3mm.
The left side and right side of body 1 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 side-inlet 14 depth e meet:E=8mm.
Six area summation S1 of nose air intake 21 meet:S1=350mm2, two area summation S2 of side-inlet 14
Meet:S2=150mm2。
Air channel 11 includes:Front face 111,112, two side walls 113 of rear surface and lower wall surface 114.Wherein, front face
111 gradually increase from front to back, from both sides to middle direction with the distance surface for clearance, the shape of front face 111
As arcwall face, exhaust outlet 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, exhaust outlet 13 be located on rear surface 112 and with the rounding off of rear surface 112, between rear surface 112 and exhaust outlet 13
Arc transition cambered surface radius D meet:D=30mm.
Two side walls 113 are connected to the both sides of front face 111 and rear surface 112, lower wall surface 114 and exhaust outlet 13
Connection, lower wall surface 114 is formed as curved surface, the tangent line of any point of projection of the lower wall surface 114 on the Central Symmetry face of body 1 with
Angle beta between surface for clearance meets:β=40 °.The height h of side wall 113 meets:H=1.5mm.Exhaust outlet 13 it is transversal
Face is formed as oval, and, in base plate 12, oval short axle is perpendicular to base plate 12 for oval longer axis parallel.
Dust bar 3 is located at the front end of base plate 12 afterwards.Dust bar 3 is the villiform lath being made up of plastic optical fibre afterwards, can be with
The sealing in air channel 11 is effectively improved, so as to improve the suction force of floor brush of dust collector 100, and then floor brush of dust collector is improve
100 dust collection capacity.
It is special to make palm to verify the anti-acoustic capability of the floor brush of dust collector 100 of the utility model embodiment, it is current with representing
A floor brush of dust collector 100 of in the market scrubbing brush performance general level enters Row noise and floor dust collection capacity test comparison.Wherein,
The test procedure of the airborne noise that Noise Testing reference standard IEC60704-1 family expenses and similar applications electrical equipment send, uses
Hemisphere face layout method arrangement microphone position, radius r=1.5m.
By test it can be seen that the utility model embodiment floor brush of dust collector 100 low-frequency range (<200HZ) with middle height
Frequency range (>800HZ) level of noise declines to a great extent.Wherein, the reason for low-frequency range level of noise declines be:Oval exhaust outlet 13
Smoothly transitted using big arc surface with rear surface 112, air current flow is separated reduction with rear surface 112, reduced
Big whirlpool.
Additionally, preceding dust bar 2 normal to a surface direction relatively to be cleaned be obliquely installed, nose air intake 21 and lower wall surface 114
Setting, reduce impact noise.The reason for high band noise declines be:The preceding normal to a surface side relatively to be cleaned of dust bar 2
To being obliquely installed and can cause that the preceding flow direction to air-flow in part is diagonal upward direction, formed with lateral airflow and be layered, together
When Central Symmetry face side the non-homogeneous set-up mode of the distance between adjacent air inlet reduce before to air-flow to lateral airflow
Interference, so as to reduce flow perturbation generation small whirlpool.
Dust collection capacity method of testing reference standard IEC60312, after tested, be with reference to the dust collection capacity of floor brush of dust collector 100
Efficiency of dust collection is 94.5% or so, and the efficiency of dust collection of the floor brush of dust collector 100 of the utility model embodiment is 96.5% or so,
It is obviously improved, its reason makes air-flow have larger impact to ground for side-inlet 14, while preceding dust bar 2 is relatively to be cleaned
Normal to a surface direction is obliquely installed, and increases the sealing in the moving process of floor brush of dust collector 100, also improves dedusting effect
Rate.
Experiment shows, compared with the floor brush of dust collector 100 of floor brush of dust collector performance general level in the market is represented, makes an uproar
Sound declines about 6dB, and dust collection capacity about improves two percentage points, effect is significant, and experimental result stabilization repeatedly.
Floor brush of dust collector 100 according to the utility model embodiment, optimizes the air channel 11 of floor brush of dust collector 100, improves
Air flow state in floor brush of dust collector 100, is effectively improved the dust collection capacity of floor brush of dust collector 100 and reduces suction
The noise of dirt device scrubbing brush 100, and simple structure, low cost.
According to the dust catcher of the utility model second aspect embodiment, including:Body and according to the utility model above-mentioned
The floor brush of dust collector 100 of one side embodiment, floor brush of dust collector 100 is connected by connecting tube such as flexible pipe with body.Wherein, inhale
Dirt device can be vertical type dust collector or horizontal dust collector etc..
According to the dust catcher of the utility model second aspect embodiment, by setting according to the above-mentioned first party of the utility model
The floor brush of dust collector 100 of face embodiment, the dust collection capacity that improve dust catcher, the noise for reducing dust catcher and simplifies dust suction
The structure of device, the cost for reducing dust catcher.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can in an appropriate manner be combined in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (17)
1. a kind of floor brush of dust collector, it is characterised in that including:
Body, limits air channel in the body, have the pump orifice connected with the air channel on the base plate of the body, described
The rear side of body has an exhaust outlet, and the body is covered in during surface for clearance shape between the air channel and the surface for clearance
Into the space of air-tightness;
Preceding dust bar, the preceding dust bar is located at the front end of the body and supports the dust catcher with the surface for clearance
Scrubbing brush, the preceding dust bar is provided with the multiple nose air intakes connected with the air channel, and the preceding dust bar is treated relative to described
Cleaning normal to a surface direction inclines.
2. floor brush of dust collector according to claim 1, it is characterised in that the preceding dust bar and the surface for clearance
Angle [alpha] between normal direction meets:30°≤α≤60°.
3. floor brush of dust collector according to claim 2, it is characterised in that the preceding dust bar and the surface for clearance
Angle [alpha] between normal direction meets:α=45 °.
4. floor brush of dust collector according to claim 1, it is characterised in that the upper end of the nose air intake and the base plate it
Between apart from a meet:a≥3mm.
5. floor brush of dust collector according to claim 1, it is characterised in that the multiple nose air intake is relative to the body
Central Symmetry face be arranged symmetrically, and the distance between adjacent nose air intake.
6. floor brush of dust collector according to claim 5, it is characterised in that on the direction towards the Central Symmetry face,
The distance between described adjacent nose air intake is gradually reduced.
7. floor brush of dust collector according to claim 1, it is characterised in that the area summation S1 of the multiple nose air intake expires
Foot:200mm2≤S1≤400mm2。
8. floor brush of dust collector according to claim 1, it is characterised in that at least side of the body also have with it is described
The side-inlet of air channel connection.
9. floor brush of dust collector according to claim 8, it is characterised in that the height of the side-inlet is less than the advance
The height of gas port, and the side-inlet depth d meet:d≥5mm.
10. floor brush of dust collector according to claim 8, it is characterised in that the area summation S2 of the 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 multiple nose air intake
S1, the area summation S2 of the side-inlet meet:300mm2≤S1+S2≤500mm2。
12. floor brush of dust collector according to any one of claim 1-11, it is characterised in that the air channel includes:
Front face, the front face from front to back, from both sides to middle direction with the surface for clearance away from
From gradually increasing, the exhaust outlet is located on the front face;
Rear surface, the cross section of the rear surface is arc and its upper end and the front face rounding off, and the exhaust outlet sets
In the rear on wall and with the rear surface rounding off;
Two side walls, described two side walls are connected to the both sides of the front face and rear surface;
Lower wall surface, the lower wall surface is connected with the exhaust outlet, and the lower wall surface is formed as curved surface, and the lower wall surface is at described
Angle beta between the tangent line of any point of the projection on the Central Symmetry face of body and the surface for clearance meets:β≤45°.
13. floor brush of dust collector according to claim 12, it is characterised in that the height h of the side wall meets:h≤
3mm。
14. floor brush of dust collector according to claim 12, it is characterised in that between the rear surface and the exhaust outlet
The 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 the exhaust outlet is formed as oval
Shape, in the base plate, the oval short axle is perpendicular to the base plate for the oval longer axis parallel.
16. floor brush of dust collector according to claim 1, it is characterised in that the cross section of the exhaust outlet is formed as circular
Or more than the polygon on four sides.
A kind of 17. dust catchers, it is characterised in that including:
Body;
Floor brush of dust collector according to any one of claim 1-16, the floor brush of dust collector passes through connecting tube and the machine
Body is connected.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620883805.XU CN206228290U (en) | 2016-08-15 | 2016-08-15 | Floor brush of dust collector and dust catcher |
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 |
---|---|---|---|
CN201620883805.XU CN206228290U (en) | 2016-08-15 | 2016-08-15 | Floor brush of dust collector and dust catcher |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206228290U true CN206228290U (en) | 2017-06-09 |
Family
ID=58986785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620883805.XU Withdrawn - After Issue CN206228290U (en) | 2016-08-15 | 2016-08-15 | Floor brush of dust collector and dust catcher |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206228290U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106108778A (en) * | 2016-08-15 | 2016-11-16 | 美的集团股份有限公司 | Floor brush of dust collector and vacuum cleaner |
-
2016
- 2016-08-15 CN CN201620883805.XU patent/CN206228290U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106108778A (en) * | 2016-08-15 | 2016-11-16 | 美的集团股份有限公司 | Floor brush of dust collector and vacuum cleaner |
CN106108778B (en) * | 2016-08-15 | 2020-08-04 | 美的集团股份有限公司 | Dust collector floor brush and dust collector |
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Granted publication date: 20170609 Effective date of abandoning: 20200804 |