The application is the part of the U.S. Patent application for the Serial No. 15/331,045 submitted on October 21st, 2016
Application is connected, which requires the U.S. for the Serial No. 62/244,331 submitted on October 21st, 2015 interim
Patent application, the U.S. Provisional Patent Application for the Serial No. 62/248,813 submitted on October 30th, 2015 and in 2016
The equity of the U.S. Provisional Patent Application for the Serial No. 62/313,394 that on March 25, in submits, above-mentioned US provisional patent Shen
Full content please is fully incorporated herein by reference.The application is also submitted on October 21st, 2016
The continuation in part application of PCT/US2016/058148 international application, the full content of the international application is by reference
It is fully incorporated herein.The United States Patent (USP) Shen for the Serial No. 14/867,599 that the application is still submitted in September in 2015 on the 28th
The full content of continuation in part application please, the U.S. Patent application is incorporated herein by reference.
Specific embodiment
Surface cleaning head according to some embodiments of the disclosure includes that part (for example, front guide roll and brush roll) is stirred in the bispin transfer
With removable lid, the removable lid is for covering group top for stirring part and making it possible to close from the top of surface cleaning head
It dials and stirs part.Double groups are stirred part and are used as helping to capture clast in the air stream being flowed into suction tube, at the suction tube
In the downside of surface cleaning head.Brush roll can be in brushroll chamber and be at least partly in the opening for passing to suction tube.Before
Deflector roll can be positioned so that front that is adjacent with suction tube opening and being located at suction tube opening, engaged with clast so as to front guide roll and
Make clast towards brush roll and opening movement.Front guide roll can be lid can removing from shell and being can be removed and keep just
Position.One or more latch mechanism can be used that removable lid is attached to the shell of surface cleaning head, the latch mechanism by with
Brushroll chamber separates.Surface cleaning head may also include driving mechanism, which drives brush roll an end, and brush roll is another
Rotation is transferred to front guide roll by one end.
In other embodiments, surface cleaning head includes the brush roll in brushroll chamber and the trailing flank in brushroll chamber
Rack structure to stop clast and deenergize to clast, and helps to be moved to clast from the extension of the trailing flank of brushroll chamber
In vacuum passage.Vacuum passage may include the horn-like mouth being connected to brushroll chamber, and at least part of rack structure extends to
In the horn-like mouth.
In other embodiments, surface cleaning head may include the feature for improving the air stream being flowed into suction tube
Portion.Surface cleaning head may include at least part of sealing strip in downside around the opening for passing to suction tube, thus sealing
It closes between item and front guide roll and forms side air access.Surface cleaning head can be equipped with and be enough to provide as needed for brush roll and carpet
The bottom plate gap of engagement, and surface cleaning head can have bristle bars, and which extends from downside to provide in hardwood
Closing needed on plate.Surface cleaning head may also include discharge valve, which has and can retract row by surface cleaning head
The actuator of Cheng Zhidong, to carry out lower suction and be conducive to operability.
Although describing each feature and concept, surface cleaning in the context of the example embodiment of surface cleaning head
Also within the scope of the present disclosure, and feature described herein and concept can be by individually or group for the other embodiments of head
Ground is closed to be used in other embodiments of surface cleaning head.The embodiment of surface cleaning head can be used in different types of vacuum and inhale
In dirt device, including but not limited to: the vacuum cleaner, vertical type vacuum of " head accommodates (all in the head) entirely " type
Dust catcher, box-like vacuum cleaner, bar type vacuum cleaner, robotic vacuum cleaner and Central Vacuum dust pelletizing system.
As used in this article, " surface cleaning head " refers to the equipment for being configured to contact with surface, which uses
In by using suction air flow, dial to stir or combinations thereof and surface cleaned.Surface cleaning head can pass through swivel joint
And it pivotly or is steerably attached to hard tube, which is used to control surface cleaning head and surface cleaning head may include
The surface cleaning head of motor-driven attachment and fixation.Surface cleaning head can be operated so that hard tube or handle can not used.
As used in this article, " closing " or " closed ", which refers to, prevents a large amount of air from passing through suction tube but does not require gas
Sealing.As used in this article, " dial and stir part " is to refer to carry out dialling to surface to stir to help to be moved to clast
Any element in suction air flow, component or structure in surface cleaning head.As used in this article, " softness " and
" relatively soft " refers to the feature of cleaning element submissiveer than another cleaning element or more flexible.As used in this article,
Term " flow path ", which refers to, to be pumped when air due to suction fashionable, which flow to path employed in suction tube.Such as
Used in herein, term " top " and " lower section " are the orientations relative to surface cleaning head on surface to be cleaned
Use, and term " preceding " and " rear " be relative to user push on clean surface surface cleaning head direction (that is,
It uses from back to front).As used in this article, term " leading " refers to the position in the front at least another component
It sets, but does not necessarily mean that the front in all other component.
Referring to Fig.1-4, it shows and describes surface cleaning head 100 according to an embodiment of the present disclosure.Surface cleaning head
100 include shell 110, the shell have leading flank 112, trailing flank 114, the first side face 116a and the second side face 116b,
Upper side 118 and bottom sides or downside 120.Shell 110 limits suction tube, which has in shell 110
Opening 111 (being shown in Fig. 2 and Fig. 4) on downside 120.Suction tube is the inside limited by the inner wall in shell 110
Space, the inner space are received and are guided for example through the another location in surface cleaning head 100 or in vacuum cleaner
Suction motor (not shown) aspirated and the air that extracts.Suction tube opening 111 is the downside of suction tube Yu shell 110
The position of 120 intersections.
Surface cleaning head 100 includes that part 122,124 is stirred in the bispin transfer, and it is, for example, brush roll 122 with before that part is stirred in the bispin transfer
Deflector roll 124.Although example embodiment includes that double dial stirs part, certain in feature and concept described herein is some can also quilt
Used in only stirring part with single dial or dialled in the surface cleaning head for stirring part with more than two.Brush roll 122 and front guide roll 124 can quilts
It is configured to rotate around first rotation and the second rotation axis.The brush roll 122 of rotation is in brushroll chamber 119, and leading
Roller 124 is positioned in the front of brush roll 122 and is spaced apart with brush roll.Brushroll chamber 119 limits a part and brush of suction tube
Roller 122 is at least partly in suction tube opening 111.Therefore, brush roll 122 is in the main sky passed in suction tube opening 111
In air flow path.
Front guide roll 124 is generally in the front of suction tube opening 111 and in suction tube open outside, but front guide roll 124
At least part can be exposed to the main air flow flowing in suction tube opening 111.In certain embodiments, front guide roll 124 is interior
Upper lateral part part (for example, upper half) is not exposed to the main air flow path passed in the opening 111 of suction tube, but front guide roll
At least inside of 124 bottom part is exposed to the mainstream path in the opening 111 for passing to suction tube.In other modifications,
The flow path that the different piece of front guide roll 124 can be exposed to or be not exposed to pass in suction tube is all feasible.In other realities
It applies in example, for example, flow path aloows air in the upper flowing of the upper part of front guide roll 124.
The brush roll 122 of rotation around the outside of brush roll 122 can have bristle, fabric or other cleaning element or its
What is combined.In the U.S. Patent application of No. 9,456,723 United States Patent (USP) and Publication No. 2016/0220082 in more detail
Have shown and described brush roll and the other groups of examples for stirring part, the United States Patent (USP) and the U.S. Patent application by reference by
It is entirely incorporated into herein.One example of the brush roll 122 of rotation may include the shorter harder bristle and use for engaging with carpet
In the combination of the longer softer bristle engaged with hard surface.Specifically, the brush roll 122 of rotation may include one or more shorter
Harder bristle arrangement or bristle pack and one or more longer softer bristle arrangements or bristle pack, wherein longer softer
Bristle is longer and softer compared with shorter harder bristle.
Front guide roll 124 can be selected as more generally softer than the bristle of brush roll 122.May be selected front guide roll 124 bristle and/or
The bristle of brush roll 122 may be selected to form the closing with hard surface in pliability, length, diameter, arrangement and the elasticity of soft suede
Carpet fiber or the like is stirred to dial.Such as pliability can be determined based on the flexibility of used bristle or soft suede.It is leading
Roller 124 can also have the outer diameter of the outer diameter less than brush roll 122.In the U.S. Patent application of Publication No. 2017/0127896 more
The example including used size and material of front guide roll 124 is described in detail, which passes through reference
Mode is fully incorporated herein.
Front guide roll 124 may include into the relatively soft material (example of pattern (for example, pattern spiral or spiral) arrangement
Such as, soft bristle, fabric, felt, villus or soft suede), to help to capture clast.It in one example, can be by harder longer brush
The thin spiral bar of rough lumber matter is used together with the wider spiral bar of softer bristle material.Front guide roll 124 with it is harder longer
The spiral bar of bristle rotates together therefore can produce the air duct for helping to capture the movement of clast.In this example, softer
Bristle may include nylon brush hair, there is the length in 4mm to the 12mm range and the diameter less than 0.08mm.It is longer compared with
The example of hard bristle includes following nylon brush hair, has the length in 6mm to 16mm range and is in 0.06mm
Diameter within the scope of to 0.20mm.
Surface cleaning head 100, which may also include, curries unit 129, this curry unit have curried with what front guide roll 124 engaged
Protrusion curries tooth, to remove hair and other similar clasts from front guide roll 124.In Publication No. 2017/0127896
The example for currying unit is described in further detail in U.S. Patent application and the U.S. Patent application of Serial No. 15/492,320,
Above-mentioned U.S. Patent application is fully incorporated herein by reference.
Surface cleaning head 100 includes one or more wheels 130,132,134, shell to be supported on to table to be cleaned
On face.In the illustrated embodiment, for example, biggish rear-wheel 130 is provided near trailing flank 114, lesser rear-wheel 132
It is arranged between the biggish rear-wheel and on the downside 120 in shell 110, and lesser front-wheel 134 is arranged on shell
On the downside 120 of body 110 and near leading flank 112.Other wheel constructions can also be used.Wheel 130,132,134 can provide
With by the dominant touch on clean surface and help to move surface cleaning head 100 along surface to be cleaned.Biggish rear-wheel
130 also aloow user easily to tilt to surface cleaning head 100 (such as brush roll 122 and/or front guide roll 124)
Or it pivots to leave surface to be cleaned.When surface cleaning head 100 is positioned in by clean surface, it is as follows will more in detail
It carefully describes, front guide roll 124 can also be placed in by clean surface.
Surface cleaning head 100 further includes one or more floor sealing strips 136,138 on the downside of shell 110 120,
To help to be closed against by clean surface (for example, hard surface), and to help to guide air to suction tube
Be open 111 (see Fig. 2, Fig. 4 and Figure 10).Floor sealing strip 136,138 may include the bristle bars formed by soft bristle or may include
Textile material, rubber material other can be contacted with by clean surface largely to prevent air stream to be flowed into suction
Material in tube opening 111.Sealing strip 136,138 may also include the combination of element or material, and such as bristle is being brushed with along item
The combination of the cloth or rubber strip (for example, with longer bristle) that extend between hair, to improve closure.
Floor sealing strip 136,138 may include one or more sections, which, which extends downwardly and had from shell 110, works as
Surface cleaning head 100 is enough the length contacted with by clean hard surface when being supported on hard surface.In one embodiment,
As shown in Figure 10, sealing strip 136,138 has the gap greater than bottom plate 137 or the length of height H, so that the energy on hard surface
It is enough more to close.The degree that the gap of bottom plate 137 or height H and brush roll 122 extend beyond bottom plate enables carpet and brush roll
122 engage well, but engage brush roll minimally with hard surface.Therefore, brush roll 122 extend beyond bottom plate 137 away from
From the gap or height H for being equal to or less than bottom plate 137, and the distance that floor sealing strip 136,138 extends is equal to or more than bottom
The gap of plate 137 or height H.In one example, the gap of bottom plate 137 or height H are in the range of 1.5mm to 7.0mm,
The distance that brush roll 122 extends beyond bottom plate is in the range of 3mm to 6mm, and the distance that floor sealing strip 136,138 extends
In the range of 5mm to 10mm.
In the embodiment illustrated in figure 2, sealing strip 136,138 is arranged to mentions around a part for aspirating tube opening 111
For closing, while also providing the side air access as shown in arrow 139.After rear enclosed item 136 is along suction tube opening 111
Side extends, and side-closed item 138 extends from rear enclosed item 136 along at least part of the side of suction tube opening 111.
Though it is shown that separated sealing strip, but single sealing strip can extend along the two sides and rear portion of suction tube opening.Front guide roll 124
Provide the closing of the leading flank along suction tube opening 111, and the space between side-closed item 138 and front guide roll 124
Side air access 139 is defined, so that the air stream being guided is helping to capture clast in the air stream
It is flowed at position (for example, between brush roll 122 and front guide roll 124) in suction tube opening 111.It is guided through side air
The speed increase of the air stream of access 139 also enhances edge clean.In the illustrated embodiment, side-closed item 138 extends
Exactly shorter than to aspirate tube opening 111, to be formed in the side air access 139 that side is directed toward opening 111.It can also examine
The other constructions for considering sealing strip 136,138, for example, side-closed item 138 can be longer or shorter.
In one embodiment, surface cleaning head 100 includes removable lid 140, and as shown in Figure 5 and Figure 6, the lid is coupled
To shell 110 and cover group top for stirring part 122,124.Lid 140 be it is removable, enable access to dial stir part 122,
124, part is stirred to clear up to become entangled in dial the clast stirred on part 122,124 and/or dial with removal.Lid 140 covers brushroll chamber 119 and brush
Roller 122, and cover the top section of front guide roll 124 and the front of front guide roll 124 is exposed.For removal such as hair
Etc clast purpose, by lid 140 removal allow access to brush roll 122 and front guide roll 124.Lid 140 may include at least locating
Transparent window above brush roll 122, this makes that brush roll 122 can be visually inspected in use.
Lid 140 includes anti-striker 142, which extends outwardly beyond front guide roll 124 and just before front guide roll 124
Thus Fang Yanshen provides preceding limb.As shown, anti-striker 142 can laterally extend along the major part of leading flank 112 with
And it is extended downwardly near each side face 116a, 116b.Anti- striker 142 can be by submissiveer than the other materials for lid 140
It is made with more flexible material, so that anti-striker 142 for example being capable of buckling when touching wall surface.In one example,
Lid 140 can be by all for example polycarbonate (PC) or the duroplasts or hard polymeric material of acrylonitrile-butadiene-styrene (ABS) (ABS)
Material is made, and anti-striker 142 is made of the thermoplastic elastomer (TPE) of all for example thermoplastic polyurethanes (TPU).
Anti- striker 142 is configured to partly be closed against vertical surface (for example, wall) in use, together
When certain positions formed air flow path with improve leading edge cleaning.When contacting with vertical surface, anti-striker 142 is for example
Air can be guided to pass through the leading edge access of the lower section on the side in anti-striker 142.Anti- striker 142 may also include one or more
Form the pressure restraining element 143 (for example, rib) of air flue.When anti-striker 142 is pushed out against vertical surface, pressure restraining element
143 contacted first with vertical surface and locally by anti-striker 142 push backward than anti-striker 142 rest part more
Far, gap thus is formed in the two sides of pressure restraining element 143.The gap of 143 two sides of pressure restraining element, which forms, to be allowed air to
The front of front guide roll 124 is extracted the air path got off, this can cause to disturb to dust and clast, so that dust and clast
It can be guided to towards in the air flow path of suction tube opening 111.
Removable lid 140 further includes closure member 144, which is on the downside of lid 140 and is configured to
Upper peripheral edge around brushroll chamber 119 is engaged with shell 110, to close brushroll chamber 119 in the top side of shell 110.By pushing up
Side seal closes brushroll chamber 119, can improve suction and air stream into suction tube opening 111.Removable lid 140 can be by securely
Shell 110 is held against to maintain to close.In the illustrated embodiment, removable lid 140 includes at the rear end of lid 140
One or more tab 146a-c and the inside in lid 140 and the side of the front end in lid 140 one or more it is prominent
Play 147, the tab for engage with the respective slit 113a-c in shell 110, the protrusion for in the side of shell 110
Respective latch finger 150 engagement at face 116a, 116b.Latch finger 150 can pass through respective latch actuator 152
It is retracted towards shell, to discharge and remove lid 140.
Referring to Fig. 7 and Fig. 8, the embodiment of the latch mechanism on the face 116b of a side is shown and is described in detail.
In this embodiment, latch finger 150 is in an end of sliding component 154, and latch actuator 152 and sliding
Another end of component 154 engages.Latch actuator 152 includes or is connected to and extends downwardly to connect with sliding component 154
The part 153 of conjunction.The elastic component 156 of such as spring etc is in a manner of outside and separate shell 110 to 154 He of sliding component
Latch finger 150 carries out bias, and the sliding component and latch finger are biased into and the protrusion in 140 inside of lid
147 engagements.By sliding backward latch actuator 152 along the direction of arrow, latch finger 150 can be against elastic component
156 bias retracts.Latch finger 150 includes angled top surface 151, to be moved downward into and shell in lid 140
Body 110 enables protrusion 147 slide in latch finger 150 and against pushing after being biased towards of elastic component 156 when engaging
Latch finger 150.When protrusion 147 is moved across latch finger 150, latch finger 150 can be biased to protrusion 147
Thus the position of top engages with protrusion 147 and clasps the front end of lid 140.Other types of latch mechanism also fall in this public affairs
Within the scope of opening.
Latch mechanism is isolated with brushroll chamber 119 and therefore is not influenced the suction entered in suction tube opening 111.Specifically
Ground, as shown in figure 9, latch actuator 152 is opened with the open space for passing to brushroll chamber 119.
In the exemplary embodiment, front guide roll 124 is removable and is held in place by lid 140.Lid 140 extends downwardly
Part 148 engaged with the non-rotary end 126 of front guide roll 124 (see Fig. 5 and Fig. 7) in side.It wraps non-rotary end 126
It includes outwardly extending tab 128, and is connect when lid 140 is latched when mechanism is held in place the inboard portion of lid 140 with tab 128
It closes (see Fig. 8).Front guide roll 124 is configured to the end for being removed and can having the end being driven and being not driven
Portion, for example, the U.S. similar with the brush roll that can be removed described in the U.S. Patent application in Publication No. 2016/0220082
Patent application is fully incorporated herein by reference.Although brush roll 122 is in the example embodiment of surface cleaning head 100
It is non-removable, but similarly, brush roll 122 is also possible to removable in other embodiments.
0-13 referring to Fig.1, the other embodiments of surface cleaning head 100 may include frame plate at the trailing flank of brushroll chamber 119
Structure 160.Rack structure 160 can have various constructions and a shape, but include at least overall downwards and towards under shell 110
The surface of side 120, and the surface is opposite with the rotation of brush roll 122.When clast is due to the rotation of brush roll 122 and in brushroll chamber
It is spread everywhere in 119, so rack structure 160 stops clast and deenergizes to clast, is passing through pumping to help to capture clast
In the air stream of suction pipe, as shown by arrows.Although showing rack structure in the embodiment of surface cleaning head 100 shown
160 include that double dial stirs part 122,124, but rack structure can also be used in other surfaces for example without front guide roll 124
In cleaning head.
In this embodiment, vacuum passage 162 extends from the trailing flank of brushroll chamber 119, to further limit suction tube.Cause
This, suction tube passes through a part of brushroll chamber 119 from suction tube opening 111 and passes through vacuum passage 162.Vacuum passage 162
The embodiment shown includes horn-like mouth 164 in the intersection with brushroll chamber 119, which provides dirty air entrance, this is dirty
Air intake receives the dust and clast being extracted together with air across suction tube.As shown in Figure 10 and Figure 11, rack structure
160 can at least extend into a part of horn-like mouth 164 of vacuum passage 162.
Figure 12 and Figure 13 shows a part of 110a of shell, this part of shell limits the trailing flank of brushroll chamber and true
The horn-like mouth 164 in empty channel 162.As shown in Figure 12 and Figure 13, rack structure 160 may include extending into horn-like mouth
A part of frame plate portions 160b extended of frame plate portions 160a in 164 and the trailing flank at least along brushroll chamber.Plank stage hitch
Structure 160 can have the height of the about depth of 5-10mm and about 12-20mm.Extend into the frame plate portion in horn-like mouth 164
Divide 160a deeper than the frame plate portions 160b that the trailing flank along brushroll chamber extends.
Referring to Fig.1 4, the embodiment of surface cleaning head 100 may additionally include opposite end to brush roll 122 and front guide roll
124 are driven.Driving mechanism 170 directly drives brush at the first brush roll end 121 (for example, via the first driving band 172)
Roller 122, and second brush roll end 123 of the front guide roll 124 at the second leading roll end 127 from brush roll 122 is (for example, via
Two driving bands 174) it is driven.Driving mechanism 170 includes for providing the drive motor 171 of rotation, and the first driving band 172
It is used to transmit rotation with the second driving band 174.In other embodiments, gear can be used to transmit rotation.By in phase
Pair end drive front guide roll 124, front guide roll 124 do not need to be biased and can more be located at center within the case 110.
5 and Figure 16 referring to Fig.1, the embodiment of surface cleaning head 100 may also include the discharge valve 180 of motion actuation.Movement
The discharge valve 180 of actuating includes pivoted actuator 181, which includes the surface joint elements 182 of such as hard bristle
(showing in Fig. 2 and Fig. 4), the surface joint elements are configured to grab during retracting stroke and connect on by clean surface.
Pivoted actuator 181 is attached to pivotal valve member 184, the hole of side of the pivotal valve member covering in vacuum passage 162
Mouth 186.Pivotal valve member 184 is for example biased into covering aperture 186 by the elastic component (not shown) of all for example torque springs
Closed position.When surface joint elements 182 are grabbed during retracting stroke to be connect on the surface, pivoted actuator 181 is pivoted
And valve member 184 is caused to pivot away from aperture 186, so that air can be flowed out from vacuum passage 162 or drainage goes out.The sky
Air-flow, which reduces, aspirates and makes it possible to more easily pull surface cleaning head 100 (that is, when surface cleaning head is attached to vacuum
When the hard tube of dust catcher).Discharge valve it is heavier, especially have for example by techniques described herein generate higher suction
It is useful on the upright vacuum cleaner of power.
Figure 17 shows a type of vacuum cleaner 1700, which may include according to described herein
The surface cleaning head 1702 of embodiment.Surface cleaning head 1702 with front guide roll 1724 can be used in bar type vacuum cleaner
On 1700, which has the hand held cleaner at removable one end for being connected in hard tube 1704
1701, such as type described in the U.S. Patent application of Publication No. 2015/0135474, the U.S. Patent application are
It is jointly owned and be fully incorporated by reference herein.Surface cleaning head with front guide roll can be used in directly
On upright vacuum cleaner (not shown), which has the removable cylinder for being coupled to hard tube, such as
The type described in the U.S. Patent application of Publication No. 2015/0351596, the U.S. Patent application are jointly owned
And it is fully incorporated by reference herein.It can be used according to the surface cleaning head of embodiment described herein
In such as robotic vacuum cleaner of the type described in the U.S. Patent application of Serial No. 62/511,099, the beauty
State's patent application is jointly owned and is fully incorporated by reference herein.
Therefore, suction and air stream can be improved according to the embodiment of the surface cleaning head of the disclosure, improve front cleaning
With edge clean, the versatility improved on carpet and hard surface, the close double groups of sides for stirring part to be cleaned and be removed of improvement
Formula approach, and/or improvement operability.
Although the principle of the present invention is described herein, it will be understood by those skilled in the art that the description is only
It is carrying out in an illustrative manner and not the scope of the present invention is limited.In addition to showing herein and described
Except exemplary embodiment, other embodiments are deemed to be within the scope of the present invention.By those of ordinary skill in the art into
Capable modification and replacement is deemed to be within the scope of the present invention, and the scope of the present invention is not limited by addition to claim.