CN103082945A

CN103082945A - Lightweight vacuum cleaner

Info

Publication number: CN103082945A
Application number: CN201210437655.6A
Authority: CN
Inventors: C·J·摩根; V·B·麦克利伦; E·M·小查瓦纳; B·M·基恩; C·A·利特; G·V·希布斯; D·T·拉姆; T·科洛迪; C·M·帕特松
Original assignee: Oreck Holdings LLC
Current assignee: Oreck Holdings LLC
Priority date: 2011-11-03
Filing date: 2012-10-31
Publication date: 2013-05-08
Also published as: US20130111694A1; GB201218858D0; GB2496272A; CA2790357A1

Abstract

A base plate for a vacuum cleaner is described. In some embodiments, the base plate includes a first portion adapted to support a motor, a second portion including a beater bar housing, wherein the base bottom includes magnesium and is of unitary construction.

Description

Lightweight vacuum cleaner

Technical field

The present invention is directed to cleaning and the durability of the improvement of vacuum cleaner.

Background technology

Have realized that the life-span of needs increase and lighter weight in the vacuum cleaner industry that is used for upright vacuum cleaners.Along with increase average time (MTBF) between the inefficacy of the moving component of vacuum, moving component is in fact more lasting than the housing parts of vacuum.Equally, along with vacuum cleaner begins to add additional functional character, for example stronger and larger motor and integrated attachment component, the weight of vacuum cleaner increases.Therefore, need a kind of vacuum, this vacuum can provide supplementary features, but has enough durabilities so that lasting as moving component, and enough light so that the user is convenient and cosily use.

The known workaround that improves other performances for increasing the motor dimension of vacuum or when keeping or reducing the weight of vacuum or durability has multiple shortcoming.For example, plastics and resin can be used to form the housing of vacuum cleaner pedestal when design is sought to increase motor dimension equally.But these designs and material can have defective.It is very heavy that these vacuum cleaners can become, and therefore be difficult to promote and pull, and be difficult to transport between each floor of residence or building.The excessive weight of in addition, adding vacuum to can cause many stress on the vacuum housing.Long-time stress on the vacuum housing can cause other plastic components on vacuum housing and vacuum housing to become fragile, and along with the time damages.

Internal feature in vertical vacuum device housing is along with the time keeps relatively constant.Many upright vacuum cleaners comprise motor, beating bar, air path and the rotating band that is positioned at base housing traditionally.Along with vacuum cleaner has the motor dimension of increase and has other features of the pedestal that is integrated into vacuum cleaner, the size of the pedestal of vacuum cleaner increases (for example having larger " footmark "), to hold the feature of increase.But prior art is not given in the example that has the upright vacuum cleaners that increases function when reducing the vacuum cleaner base size.

Other defective can be understood by the disclosure herein content.

Summary of the invention

According to a kind of embodiment, vacuum cleaner is formed by the material that comprises magnesium.For example, magnesium can be used to form housing or the parts (for example structure member) of vacuum.Magnesium can be used to form vacuum structural support member, be used for forming vacuum shell, be used for forming handle, be used for forming other mechanical parts of vacuum cleaner.The material (or combination of materials) that is susceptible to magnesium or has a feature that roughly is similar to magnesium can use in some embodiments of the present invention.

According to a kind of embodiment, the base bottom that is used for vacuum cleaner is described.In some embodiments, base bottom comprises the first that can support motor, comprises the second portion of patting rod shell, and wherein base bottom comprises magnesium and has Construction integration.

In some embodiments, base bottom also comprises the passage that connects first and second portion.In some embodiments, the width of passage is less than the width of first.In some embodiments, the width of passage is less than the width of first and the width of second portion.In some embodiments, base bottom also comprises the slit of circuit board for receiving.

In some embodiments, second portion also comprises the supporting member that the beating bar is installed.In some embodiments, base bottom also comprises two wheel mount pads.In some embodiments, base bottom also comprises the wheel mount pad that can receive motor and is arranged in the wheel mount pad so that at least two fastening point of fastening motor.In some embodiments, magnesium is die casting.

According to some embodiments, a kind of vacuum cleaner pedestal is described, it comprises the wheel mount pad that can receive motor and is arranged in the wheel mount pad so that at least one fastening point of fastening motor, and load axle that bar is patted in a wherein said fastening point, motor drive shaft and driving is conllinear roughly.

In some embodiments, a described fastening point comprises the generally flat part that is arranged on the wheel mount pad and can receives the motor lock fixed rack.In some embodiments, the vacuum cleaner pedestal also comprises the motor supporting bracket that is fixed to described at least one fastening point.In some embodiments, the wheel mount pad comprises the magnesium of die casting.In some embodiments, the wheel mount pad comprises the generally flat part that can receive the motor lock fixed rack.In some embodiments, the wheel mount pad comprises and can receive the holder that is arranged in the lock bolt on wheel hub.

According to numerous embodiments, a kind of vacuum cleaner is described, it comprises that generation in operation is used for the motor of the suction of vacuum cleaner, has the housing of one or more structure support members, this structure support member has and is less than or equal to the thickness of 0.10 inch, and wherein at least one structure support member and motor are with the relation configuration of load capacity.

In some embodiments, wall is formed by the material that comprises magnesium.In some embodiments, one or more structure support members support motor in operation.In some embodiments, one or more structure support member supportings are patted rod shell.In some embodiments, this thickness is less than or equal to 0.060 inch.

Description of drawings

Identical Reference numeral represents identical element in institute's drawings attached.Should be noted that accompanying drawing needn't be proportionally.With reference to accompanying drawing, above and other purpose, aspect and advantage are better understood from the following detailed description of the preferred embodiment of the present invention, in accompanying drawing:

Fig. 1 represents the front perspective view of a kind of embodiment of upright vacuum cleaners;

Fig. 2 represents the rearview of a kind of embodiment of upright vacuum cleaners;

Fig. 3 represents the inside according to a kind of pedestal of upright vacuum cleaners of embodiment;

Fig. 4 represents according to a kind of wheel of upright vacuum cleaners of embodiment and wheel hub;

Fig. 5 A represents the front view according to a kind of bag mount pad of upright vacuum cleaners of embodiment;

Fig. 5 B represents the profile view according to a kind of rear portion of bag mount pad of upright vacuum cleaners of embodiment;

Fig. 6 represents the axis of the motor mount of prior art vacuum cleaner;

Fig. 7 represents the axis according to a kind of motor mount of upright vacuum cleaners of embodiment;

Fig. 8 represents the bag mount pad according to a kind of upright vacuum cleaners of embodiment; And

Fig. 9 represents the base part according to a kind of vacuum cleaner of embodiment.

The specific embodiment

The invention provides a kind of upright vacuum cleaners, it comprises the vacuum cleaner pedestal that improved cleaning feature and life-span are provided.The structure of vacuum cleaner can comprise handle, main body, pedestal and can hold the wheel mount pad of motor.The placement of motor in the wheel mount pad reduced the weight of vacuum cleaner, reduces thus manufacturing cost.The wheel diameter that increases makes the operation of vacuum cleaner very convenient, and for consumer's use, this unit is simple and light thus.

Fig. 1 and 2 represents the illustrative embodiments of upright vacuum cleaners 100.Vacuum cleaner pedestal 102 can be connected to dirt collecting 104 and handle portion 106.The hall effect sensor that improves cleaning capacity 122 that vacuum cleaner pedestal 102 also can comprise wheel 108, pat the window of rod shell 116 and encirclement light emitting diode 118/lamp housing lid 120 and be used for the upright vacuum cleaners unit.Vacuum cleaner pedestal 102 has vacuum cleaner pedestal top cover 124 and the air path lid 125 of other internal parts that can surround motor and vacuum cleaner pedestal 102.The sidepiece of vacuum cleaner pedestal 102 can be by track 110 cappings, and the sidepiece of track 110 protection vacuum cleaner pedestals 102 also is connected to stablize vacuum cleaner pedestal 102 (seeing Fig. 3) by the rear portion with vacuum cleaner pedestal 102 with the front portion that surrounds the beating bar.Track 110 can be attached to vacuum cleaner pedestal 102 via wheel hub 112.Track 110 also can surround motor drive shaft (seeing Fig. 3), and can comprise the rotating band housing parts 114 (Fig. 3) that can surround beating bar rotating band.Track 110 can be made by any suitable material, including, but not limited to polymer, plastics, thermoplastic, elastomer plastic, metal or its combination.

Dirt collecting 104 can comprise dirt collecting external shell 126.In one embodiment, dirt collecting external shell 126 can be flexible, half flexible or semirigid bag.In one embodiment, dirt collecting 104 can comprise cyclone separator.In some embodiments, the dispersion section of dirt collecting external shell 126 can comprise air-locked material.In one embodiment, front section 134 is breathables.This makes clean air be discharged, and makes fin crooked.In one embodiment, side wall section 132 is airtight and semirigid.Can keep the shape of wishing as this side wall section 132, and not weight and manufacturing cost improperly.In some embodiments, vacuum cleaner 100 comprises that outer bag stablizes projection 200 (shown in Figure 3), makes dirt collecting external shell 126 be fixed to vacuum cleaner pedestal 102 and makes it stable.

In this embodiment, front section 134 is expressed as comprising breathable half flexible pouch of skin 128 and internal layer 130.Internal layer 130 can be by providing flexibility, half any material flexible or semi-rigid internal layer to make.The example of suitable material comprises thermoplastic (TPE) or elastomeric material, comprises polyurethane, polyureas, polystyrene, polyolefin, ethane-acetic acid ethyenyl ester (EVA) or other thermoplastics known in the art or the elastomer of thermoplasticity or elastomeric material.Outer 128 can be by providing flexibility or semiflexible outer field any material to make.The example that is used for the suitable material of skin 128 comprises polypropylene known in the art, nylon, polyester or staple fibre etc.

In this embodiment, section 132 is expressed as comprising air-locked half flexible pouch of skin 138 and internal layer 136.Internal layer 136 can be by providing flexibility, half any material flexible or semirigid internal layer to make.The example of suitable material comprises thermoplasticity (TPE) or elastomeric material, comprises polyurethane, polyureas, polystyrene, polyolefin, ethane-acetic acid ethyenyl ester (EVA) or other thermoplastics known in the art or the elastomer of thermoplasticity or elastomeric material.Outer 136 can be by providing flexibility or semiflexible outer field any material to make.The example that is used for the suitable material of skin 136 comprises polypropylene known in the art, nylon, polyester or staple fibre etc.

Dirt collecting external shell 126 can comprise opening or the aperture 142 that makes collection of debris be removed.In some embodiments, the chip of collection is contained in filter bag 140 after through foul atmosphere pipe 174.Filter bag 140 can comprise rigidity or semirigid flange 146, and flange 146 comprises entrance 144, slit 148 and pulling-on piece 152.Flange 146 slidably arrives in the bag mount pad 156 of bag installation component 154.The other details of relevant bag installation component 154 can find in Fig. 8.In some embodiments, dirt collecting also can comprise the one or more filters for the cleaning foul atmosphere.This filter can comprise one or more silk threads, grid, carbon, activated carbon, filter paper or HEPA filter.Filter can be used as that dust is collected the part of the various piece of external shell 126, filter bag 140 or it makes up to comprise.

Handle 106 can comprise is connected two handle support 158 that connect with grip via handle bracket 160.Handle support 158 can be via covering the top that 162 attachment post (Fig. 5 A) that cover are connected to dirt collecting 104 by attachment post.Handle 106 can be made by any material with suitable strength-to-weight ratio.In one embodiment, magnesium is the suitable material for handle 106.In one embodiment, for example the material of carbon fiber (for example graphite) or titanium or other alloys can provide suitable intensity, light weight, and has low manufacturing cost.According to the configuration of its application ﹠ design, for example material of aluminium, steel and the iron requirement that may not can have simultaneously suitable intensity and light weight.In addition, when considering raw material and cost of transportation, aluminium, steel and iron may have the manufacturing cost of increase.But these materials be considered not to be got rid of outside all embodiments of disclosed numerous embodiments here.

As shown in Figure 2, vacuum 100 can be included as the cable 182 that motor provides electric power.Cable can be deposited around subjacent cable hook 178 and upper cable hook 180, in order to deposit and manage.Cable 182 can enter vacuum cleaner pedestal 102 (Fig. 9) via parallel aperture with cable 186.Cable 182 is that vacuum cleaner pedestal 102 and motor sub-assembly 187 are supplied alternating currents (AC) (Fig. 3).Cable 186 can be transferred to user instruction the control panel in base housing 102.For example, but cable 186 transmission user requirements, to switch on and off the electric power of vacuum cleaner by pressing power button 184.Cable 186 can be provided at the electric power that produces signal (for example on/off electric power, the speed control of patting bar, ON/OFF and the brush on/off of LED lamp) in vacuum between the control button (for example power button 184) in handle 106.

Foul atmosphere pipe 174 also can provide a plurality of functions except foul atmosphere is transported to dirt collecting 104 from pedestal.Foul atmosphere pipe 174 can be the part of the handle of motion vacuum before and after coming in week on the floor.Foul atmosphere pipe 174 can comprise the handle area 176 that makes the user have grasping and promote the convenient position of vacuum cleaner 100.Be positioned at the internal thread (not shown) on the far-end that lock flange 172 on the far-end of foul atmosphere pipe 174 comprises section of the scroll section of being received in/volute 170.By foul atmosphere pipe 174 being attached to section of scroll section/volute 170, form continuous foul atmosphere path, make dirt and chip be transported in dirt collecting 104 from vacuum pedestal 102 always.

Fig. 3 is the interior views of the illustrative embodiments of vacuum cleaner pedestal 102.The foul atmosphere path at foul atmosphere through base plate 198 with pat rod shell 116, leave to pat when rod shell air outlet slit 210 enters foul atmosphere suction lead 175 and enters scroll section/volute section 170 via section of scroll section/volute air intake 212 and form.Foul atmosphere suction lead 175 sucks pad 173 via the foul atmosphere that gas-tight seal is provided and is directly connected to beating rod shell 116 between foul atmosphere suction lead 175 and beating rod shell 116.Foul atmosphere suction lead 175 can connect the air outlet slit of volute section's air intake 212 and beating rod shell 210.In some embodiments, foul atmosphere suction lead 172 is patted rod shell 116 along with the foul atmosphere suction lead approaches and is expanded.In some embodiments, section of scroll section/volute 170 can comprise and is parallel to the volute section air intake 212 of patting that rod shell 116 arranges.In some embodiments, volute section air outlet slit 214 can be perpendicular to patting rod shell 116.Screw thread 171 on the outside of the far-end of section of scroll section/volute 170 receives by the lock flange 172 on foul atmosphere pipe 174.

As shown in axis " B ", pat rod shell air outlet slit 210 and volute section air outlet slit 214 is conllinear basically.As shown in axis " C ", in some embodiments, the center of volute section air intake 212 and the center of patting rod shell air outlet slit 210 are vertical basically.It is minimum that the length in the foul atmosphere path of vacuum cleaner keeps.The resistance in air path that reduces to make of air path length reduces.The 211 places appearance of bar outlet/air conduit entrance is being patted in the suction of foul atmosphere.Therefore, motor sub-assembly 187 needs less power with the enough air of motion in vacuum, and is pumped in more evenly distribution on beating bar 182.Can produce the average maximum air flow amount (patting the 211 places measurement of bar outlet/air conduit entrance) of about 50 cubic feet/min (CFM) when preferably, the motor sub-assembly 187 in vacuum 100 operates in air.Preferably, the motor sub-assembly 187 of vacuum 100 adopts the motor of about 416 watts under maximum CFM.The vacuum cleaner of prior art must suck and the similar air movement of the place's of blowing generation with the motor of larger wattage.Therefore, the less motor of vacuum cleaner 100 use produces enough air movements.Weight and the running cost of vacuum that reduced the size of vacuum motor and power reduction in the ability of keeping clean.Therefore, for consumers, convenience and convenience that vacuum is used have been increased.Those skilled in the art will appreciate that not to be that every kind of embodiment all must comprise these features.

Vacuum cleaner pedestal 102 can comprise track 110, wheel hub 112, vacuum cleaner base plate 103, motor sub-assembly 187, be arranged in wheel 108 and vacuum cleaner base seat lid 124 on wheel assembly 109.Vacuum cleaner base seat lid 124 can be fixed to vacuum cleaner base plate 103 via the securing member (not shown).The assembly of track 110, wheel hub 112 and wheel can fix via the combination of frictional fit and twist-lock feature.Wheel hub 112 can be received in the track hub receiving unit 111 of track 110.Wheel hub 112 can comprise the lock tab 113 in the locking slit (Fig. 9) that is received on wheel mount pad 107.In case lock tab 113 is received in the locking slit, wheel hub 112 is rotatable, so that with wheel hub 112 and track 110 locks in place.Wheel assembly 109 can be fixed to the outer peripheral portion of wheel mount pad 107.

In some embodiments, vacuum cleaner base plate 103 can be single parts or Construction integration.Vacuum cleaner base plate 103 comprises pats rod shell 116 and wheel mount pad 107 (Fig. 9).Motor sub-assembly 187 can be arranged in wheel mount pad 107.Motor sub-assembly 187 can remain in wheel mount pad 107 by holding it in motor support and via frictional fit.In other words, in the example shown, motor sub-assembly 187 does not need the additional fasteners (screw, fixture, rivet etc.) that motor sub-assembly 187 remained fixed to vacuum cleaner 100 and be positioned at vacuum cleaner 100.In this configuration, the minimizing used of securing member can coordinate and keep motor sub-assembly 187 to realize with motor sub-assembly 187 reality when motor sub-assembly 187, base plate 103, wheel mount pad 107 or other structure members are configured to when making vacuum all parts assembling.How concentric the axis of Fig. 3 " A " expression wheel assembly 109, motor sub-assembly 187 and wheel mount pad 107 be.

The air stream that the impeller that rotates by motor sub-assembly 187 produces from foul atmosphere suction lead 175 suction air and via section 170 of scroll section/volute with Bas Discharged to the bag assembly 104 that wherein can contain chip (Fig. 1 and 2).The impeller (not shown) drives and is contained in section of scroll section/volute 170 by motor drive shaft 193.Motor sub-assembly 187 also can drive via flexible-belt 204 and pat bar 192.The flexible drawing band of the vacuum cleaner of prior art lost efficacy before 100 hours.In some embodiments, flexible-belt 204 surpassed 100 and uses hour before damaging.In some embodiments, flexible-belt uses and surpasses average time (MTBF) between the inefficacy of vacuum cleaner itself.Therefore, flexible-belt needn't be changed in the life period of vacuum.In some embodiments, band is circular band or serpentine band.In a preferred embodiment, are bands of tying up with rope with 204.In some embodiments, band can comprise flat or with the surface of length direction groove.If band comprises surface with groove, this surface and can comprise 1,2,3,4,5 or more groove.Band can be made by material known in the art, including, but not limited to rubber, nylon, plastics with such as polymer of polybutadiene and polyamide etc.In some embodiments, flexible-belt can slightly stretch and maybe can not stretch.In some embodiments, flexible-belt can in the situation that tensioning install.In preferred embodiment, the stretching of flexible-belt 204 is no more than 3%.In a preferred embodiment, flexible-belt 204 is bands of about 20-251b bearing capacity.

Vacuum cleaner pedestal 102 also can comprise band housing unit 119, and band housing unit 119 can comprise band housing inner cap 115 and band housing enclosing cover 114.When band housing

inner cap

115 and 114 assembling of band housing enclosing cover, they surround flexible-belt 204.In the vacuum cleaner use procedure, air is inhaled into band housing unit 119 and on flexible-belt 204, makes flexible-belt 204 cooling.In use by cooling flexible-belt 204, keep the globality of flexible-belt 204, extend the MTBF of flexible-belt 204.Band housing strainer cover 117 surrounds air cleaner on band housing unit 119, at air intake and through clean air before motor 189.

Motor sub-assembly 187 can comprise motor 189, motor tape spool 191 and motor end plate 195.Motor end plate 195 can comprise one or more motor end plate breach 197 and horizontal edge 188, makes motor end plate 195 remain in wheel mount pad 107 by frictional fit.Motor end plate 195 also can the motor sub-assembly 187 in being arranged in wheel mount pad 107 on actuating air.Advantageously, but by the air stream cooling motor assembly 187 that motor sub-assembly 187 produces, reduce thus to be exposed to the long-time heat of motor sub-assembly.By the amount of stress that reduces to cause on motor sub-assembly 187 due to heat, the MTBF of motor sub-assembly 187 can reduce greatly, makes the life of vacuum cleaner.

Circuit board 190 can offer electric current one or more in motor sub-assembly 187, LED lamp 118 (Fig. 1) or hall effect sensor 122 (Fig. 1).Hall effect transducer 122 can detect the velocity of rotation of patting bar 192.Embed the magnetic metal balls 196 of patting in bar 192 and can be used to start Hall effect transducer 122, therefore detect the velocity of rotation of patting bar.The beating bar 192 that is wound around or is stained with chip can be placed in large load on motor sub-assembly 187 or it be burnt out.Be wound or bonding beating bar can form strain on rotating band 204.When the rotational motion of circuit board 190 detection beating bars 192 was slow, circuit board 190 can turn-off the electric power of motor sub-assembly 187.In other words, be stuck if pat bar 192, be turned off to the electric power of motor sub-assembly 187, prevent that thus motor sub-assembly 187 is overheated, and prevent rotating band 204 damages.In a preferred embodiment, drop to per minute 120 and turn following if pat bar 192, be turned off to the electric power of motor sub-assembly 187.Circuit board 190 also can be provided to the electric current of multiple other parts (such as LED lamp 118 (Fig. 1), electronic hand-held attachment arrangement, temperature sensor, height sensor, magnetic sensor, indicator lamp etc.) of vacuum cleaner.

Vacuum cleaner 100 and circuit board 190 can comprise a plurality of sensors and switch.In a broad sense, " sensor " used herein is can receive signal or excitation (electricity, temperature, time etc.) and with the device of concrete mode (open or closed circuit etc.) to its response." switch " used herein can be for the machinery or the electric device that connect or disconnect or change connection at circuit.In some embodiments, sensor can be switch.In other embodiments, sensor is connected on indicator lamp or analog, maybe needs to carry out necessary operation to inform that the user is broken down.Vacuum cleaner 100 or circuit board 190 can adopt flow blockage, light, temperature, " bag is full " sensor and handle height sensor.Signal from these sensors can help the user to use and assess the various states of vacuum.Sensor can comprise electric, magnetic known in the art, optics, gravity etc.Vacuum cleaner 100 or circuit board 190 also can comprise " braking is known in mistake " or " cancellation " switch of the power that can be terminated to vacuum under the user becomes the incapacitation situation.

Vacuum cleaner pedestal 102 is by wheel assembly 109 supportings.Vacuum cleaner pedestal 102 also can be by little front-wheel (not shown) supporting.Pedestal 102 slides on the clean surface on for example floor usually.Contact clean surface when vacuum cleaner pedestal 102 can for example be dark husky lattice carpet in the clean surface.The agitating device of for example patting bar 192, squeegee 206 and sidepiece brush (not shown) can provide the stirring of clean surface, so that chip is dislocated and chip is directed to foul atmosphere suction apparatus 172.As mentioned above, patting bar 196 can drive by motor sub-assembly 187 via flexible-belt 204 or other mechanism.Anti-blocked shot 202 in base plate 198 prevents that large-sized article from sucking foul atmosphere suction lead 175.Pat bar 192 and can comprise the configuration that particle is swept the mane bundle 194 of foul atmosphere suction lead 175.Flexible-belt 204 can be arranged in to be patted on bar axle 208, pats bar 192 in order to drive.In some embodiments, pat bar axle 208 and can comprise that reception is arranged in the groove of the corresponding recesses on flexible-belt 204.Mane bundle 194 can many different orientations be configured on the beating bar.As required, the mane fiber can have roughly the same hardness, diameter and geometry, perhaps has different hardness, diameter and geometry.The mane fiber can be made by natural or synthetic material or its combination, and these materials are including, but not limited to nylon, plastics, polymer, rubber, hair (for example hair of pig).In some embodiments, mane bundle 194 can dual or single spiral form configuration.

Dual or single spiral form can be put upside down its rotation direction.The average length of the fiber of mane bundle can be from about 0.300 inch to about 0.500 inch.The average diameter of the fiber of mane bundle can be from about 0.008 inch to about 0.015 inch.In addition, the mane bundle can be from axle outward-dipping or out of plumb place so that the kinetic characteristic of " the embedding dirt " of vacuum is maximum.The mane bundle can be from disalignment about 0.08 inch to about 0.15 inch.In a preferred embodiment, the mane bundle can comprise the filament of Ny1on6-6.The average diameter of each filament can be about 0.012 inch.The mean amplitude of tide of each filament is about 0.022 inch.The mean beam length of each filament can be about 0.370 inch.The skew of mane bundle and center line can be about 0.120 inch.In some embodiments, single spiral brush sifter can be advantageously used in dark husky lattice carpet, because its velocity of rotation is not limited to the degree identical with the velocity of rotation of double helix brush roll.

Arm of force D can with scroll section/volute section 170 and foul atmosphere pipe 174 conllinear, and finally be connected to handle 106.After arm of force D can randomly be arranged in axis C.The axle handle afterwards that limits by being positioned at axis A can move effectively along any power of arm of force D transmission.In theory by anterior arm of force D, the power that is applied to handle 106 through section of scroll section/volute 170, causes the power transmission section of scroll section/volute promote towards the clean surface, rather than promotes vacuum cleaner pedestal 102 towards the clean surface.Therefore, any downward component that is applied to the power of handle 106 does not promote pedestal 102 downwards yet.This has reduced the frictional force of pedestal 102 with the clean surface.The friction that obtains reduces to make that the user is easier promotes and control vacuum on the clean surface, and " head suspends " be provided.

Fig. 4 represents the illustrative embodiments of wheel assembly 109.Wheel assembly 109 can comprise wheel 108, comprises the roller bearing of roller 404, inner ring 406 and outer ring 408.Roller 404 is by support 410 encapsulation, thus the internal chamber that formation roller 404 rotates therein.Roller 404 rotates (Fig. 3 and 9) around the outer surface of wheel mount pad 107.Roller 404 is expressed as cylindrical.But, should be understood that roller 404 can be any suitable shape, including, but not limited to spheroid and ellipsoid.The quantity of the interior contained roller 404 of wheel assembly 109 can change, and is enough to as long as this quantity provides the low-friction coefficient (Fig. 3 and 9) that makes wheel 108 easily rotate around wheel mount pad 107.In some embodiments, wheel assembly 109 can comprise 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,25,30,35,40,45,50 or more roller 404.In a preferred embodiment, wheel assembly comprises 19 cylindrical roller 404.For example, wheel assembly 109 can comprise the roller 404 of odd number or even number.In some instances, roller 404 is along the interior diameter of inner ring 406 interval equally.In some embodiments, roller 404 is along the interior diameter of wheel assembly 109 interval unequally.Roller bearing can comprise any suitable material, including, but not limited to steel or other metal, plastics or other polymer or its combination.

As mentioned above, track hub 114 locks onto in wheel mount pad 107 (Fig. 3 and 9) via track hub lock tab 113.Track hub 114 can comprise helping the track hub recess (we11) 115 of track hub 114 rotations with

track hub

114 and 107 lockings of wheel mount pad or release the time.Track hub 114 also can comprise horizontal edge 410, and this horizontal edge 410 can comprise the lip 412 of supporting track hub lock tab 113.Track hub 114 is expressed as round-shaped.But track hub 114 can be any suitable shape, as long as the track hub comprises lock tab 113 in order to track hub 114 is fixed to wheel mount pad 107.Track hub 114 can be complete or local, and namely the part of track hub rim 210 and lip 412 can be removed, as long as the track hub comprises lock tab 113.For example, as shown in Figure 3, track hub 114 can have the track hub rim 210 that is removed and the part of lip 412, with adaptive zone 204.In some embodiments, vacuum cleaner pedestal 102 can comprise one or more vacuumizing parts (such as motor sub-assembly 187, circuit board 190 etc.), two or more wheel assembly 109 and the bearing 404 in the rear portion that is positioned at vacuum cleaner pedestal 102, and its middle (center) bearing 404 forms with respect to wheel assembly 109 and rotates configuration.In some embodiments, wheel assembly 109 can comprise inner ring 406, outer ring 402 and bearing 404.In some embodiments, bearing 404 can rotate around the interior aperture of motor mount 107, so that wheel assembly 109 motions.In some embodiments, wheel assembly 109 is positioned on the rear portion of vacuum cleaner pedestal 102.In some embodiments, the aperture of wheel mount pad 107 has at least the diameter greater than the height of functional unit.

Equally, as shown in Fig. 3 and 9, wheel mount pad 109 can be positioned at the wheel mount pad part 901 at the rear portion that is positioned at vacuum pedestal 102.But, should be understood that wheel mount pad part 901 (comprising corresponding wheel mount pad 107) can be positioned at vacuum cleaner pedestal 102 interior Anywhere.For example, wheel mount pad 107 can be positioned near the front portion (for example in patting bar part 903 or) of vacuum pedestal 102.Wheel mount pad 107 can be positioned in the mid portion of vacuum pedestal 102 (for example in channel part 902 or near).Vacuum cleaner 100 can be including, but not limited to one, two, three, four or more wheel mount pad.In some embodiments, vacuum cleaner 100 can comprise the wheel mount pad 107 of odd number and the wheel mount pad 107 of even number.As using here, " functional unit " and " functional part " is synonym, and refers to any concrete parts of vacuum.For example, motor sub-assembly 187, to pat section of bar 192, LED lamp 118, cable 182, filter bag 140, wheel assembly 109, dirt collecting 104, flexible-belt 204 and scroll section/volute 170 be all " functional unit " and " functional part ".Term " functional unit " and " functional part " can use interchangeably.

In some embodiments, can adopt the structure combination, it can be the physical bond point for the difference in functionality parts, thereby makes on different component physicals location adjacent one another are roughly and provide supporting at least some of these parts.For example, being used for supporting member that supporting member, the vacuum bag retainer (for example being used for bag is connected to the attachment arrangement of foul atmosphere pipe) of vacuum handle and being used for keep cable can design on vacuum and be embodied as and make these functional parts be combined in together in integrated assembly.If wish, the foul atmosphere pipe can be the part of assembly, and can be used to bearing assembly fully.For example, through fastening, make or its combination, another functional part can be fixed or be attached to each functional part.For example, Fig. 5 A and 5B represent respectively can be on 26S Proteasome Structure and Function the bottom (for example foul atmosphere pipe 174 and vacuum cleaner pedestal 102) of vacuum cleaner 100 to be connected to the illustrative embodiments of front and rear of the bag mount pad 154 of handle 104.Advantageously, at bag mount pad 154 places with foul atmosphere pipe 154 and vacuum cleaner pedestal 102 in conjunction with/be attached to handle 104 to form multifunctional elements, (1) this element receives vacuum bag; (2) this element forms air path; (3) this element load-bearing cable; (4) this element is transported to the other end with kinergety from an end of vacuum; And (5) this element provides the position of waist height easily of power switch.Bag mount pad 154 preferably uses material and the parts that lack than the prior art vacuum, and the prior art vacuum has adopted a plurality of parts that similar functions is provided.In some embodiments, structure integrated or one has reduced manufacturing cost, inventory cost, and less parts damage in the vacuum life period.Bag mount pad 154 for example can be made by Construction integration, is not namely assembly but single moulded parts.

Fig. 5 A represents the front view of bag mount pad 154.Bag mount pad 154 receives foul atmosphere (Fig. 1 and 2) from the foul atmosphere pipe 174 that is connected to the vacuum cleaner pedestal.The far-end of bag mount pad 154 can comprise handle post receiver 514.The far-end of handle support 158 can comprise handle attachment post 502.Springlock 504 on handle attachment post 502 can be received in the interior corresponding lock hole 512 of handle post receiver 514, in order to handle attachment post 502 is fixed to vacuum cleaner.Handle attachment post 502 can cover by handle attachment post lid 162.Bag mount pad support column 510 connecting handle post receivers 514 and bag mount pad foul atmosphere suction apparatus 506.Bag mount pad support column 510 can comprise one or more in bag mount pad flange hook lock door bolt or locking folder 522, the bag vertical locking key of mount pad or protuberance 518 and bag mount pad horizontal lock key or protuberance 520.Bag mount pad flange hook lock is fastened or is locked folder 522, the bag vertical locking key of mount pad or protuberance 518 and bag mount pad horizontal lock key or protuberance 520 with a bolt or latch and can be used to make filter bag 140 orientations and fix (seeing Fig. 8 for details).From the air process foul atmosphere pipe 174 that is full of chip of vacuum cleaner pedestal 102 and through a bag mount pad foul atmosphere suction apparatus 506.Bag mount pad baffle plate 508 can change the direction that enters air, and it is directed to receiving filtration bag 140 (Fig. 8).The securing member (not shown) is received in the fastening receiver 516 of bag installed part in order to bag mount pad 154 is fixed to foul atmosphere pipe 174.

For the assembling of vacuum cleaner, the aperture of process dirt collecting 104 makes handle post 502, bag mount pad 154 and foul atmosphere pipe 174 to be fixed together, as shown in Fig. 5 B.In an example, handle attachment post 502 can be received in handle post receiver 514 via handle aperture 524.In an example, securing member 536 can be fixing via the aperture 530 that securing member receives in aperture 534 and dirt collecting 104.This is fixed to bag mount pad 154 with bag mount pad lock flange 183.Upper cable hook 180 and power button 184 are arranged on bag mount pad lock flange 183 or inside.Electric power on/off button 184 electrically contacts by aperture 526 and microswitch 532 via the spring (not shown) when bag mount pad 154 is assembled on dirt collecting 104.Foul atmosphere pipe 174 can be assembled into bag mount pad 154 via aperture 528 when bag mount pad 154 is assembled into dirt collecting 104.

Fig. 6 represents a kind of form of the prior art motor mount of vacuum cleaner.In this design, the prior art motor mount 608 of motor 601 and 610 is with respect to clean surface 612 levels.For example, the prior art vacuum cleaner have motor 601, drive make pat that bar 604 rotates with 606 motor drive shaft 602.As shown,

motor mount

608 and 610 apart from the clean surface 612 same distance.In other words, between motor mount 608 and clean surface apart from being identical (d1=d2) apart from d2 between d1 and motor mount 610 and clean surface 612.Therefore, the axis 614 that passes through

motor mount

608 and 610 is levels, and is parallel to clean surface 612.

Application for different motor mounts can be carried out multiple improvement.For example, the motor mount of the vacuum cleaner of Fig. 7 representation case such as convenient type vacuum cleaner.Motor 701 and motor drive shaft 702 rotating bands 706 are so that pat bar 704 rotations.In the convenient type vacuum cleaner,

motor mount

708 and 710 is 712 different distance apart from the clean surface.In an example, between motor mount 708 and clean surface apart from d1 less than between motor mount 710 and clean surface 712 apart from d2 (d1＜d2).Axis 715 represents the prior art axis 614 of prior art vacuum shown in Figure 6.In an example, between motor mount 708 and clean surface 712 apart from d1 less than between motor mount 710 and clean surface 712 apart from d2.Can cross the center of patting bar 704 due to such axis of imaginaries 714, motor mount 708, motor drive shaft 702 and motor 710 are relations of conllinear roughly.Therefore, axis of imaginaries 714 is not parallel to the clean surface, and this axis of imaginaries 715 from prior art is different, although the axis of imaginaries 715 of prior art is roughly parallel to clean surface 712, does not cross the center (seeing Fig. 6) of patting bar.Along axis 714 roughly conllinear aim at and to have reduced motor 701, motor drive shaft 712 and with the load on 706.This can reduce significantly motor 701, rotating band 702 and pats the wearing and tearing on bar 714 and tear.

Fig. 8 represents to be positioned to engage bag to the perspective view of the filter bag 140 of connected components 154.Filter bag 140 has foul atmosphere can enter filter bag 140 in order to collect the bag entrance 144 that carries dirt by it.Filter bag 140 can have the dirt bearing capacity of about 1-10 quart.In some embodiments, the dirt bearing capacity between about 4-8 quart, the perhaps dirt bearing capacity of 6-8 quart more preferably.In highly preferred embodiment, the dirt bearing capacity of filter bag 140 is about 8 quarts.

Bag entrance 144 by strengthen flange 146 around.Bag entrance 144 also can by elastic flange seal 812 around so that roughly airtight sealing of formation when filter bag 140 engages with a bag mount pad foul atmosphere suction apparatus 506.Filter bag 140 can be included in the sliding component 816 that slides on bag entrance 144 between open position and closing position.When sliding component 816 was positioned at closing position, when it is thrown off with vacuum cleaner 100 at filter bag 140, (Fig. 1) prevented that the dirt that is trapped from overflowing.Flange fixed orifice 814 can be positioned on sliding component 816 to be provided for keeping the grip part of flange 146 and motion sliding component 816.Flange 146 also can comprise

recess

818 and 820, and is interior fixing and directed in support body 156 to help flange 146.

Bag mounting bracket assembly 154 can comprise support body 156.Support body 156 is attached to bag mounting bracket assembly 154 pivotally at support body pivot member 804 places.Support body 156 is pivotable between loading position and operating position, and on loading position, the flange 146 of filter bag 140 can engage or throw off with support body 156, and on the operating position, bag entrance 144 engages bag mount pad foul atmosphere suction apparatus.Support body 156 also can comprise the fixing projection 808 of flange that limits passage 802.Passage 802 can reception bag flange 146 the edge, and help flange 146 is remained to support body 156.Passage 802 receives the edge of flange 146 slidably on filter bag 140.Passage 802 makes the user easily to slide into flange 146 on support body 156 and to slide off support body 156.Passage 802 also can have and is formed on its inner pressure characteristic (not shown), is firmly held in support body 156 to guarantee bag flange 146.Preferably, compare with the bag mount pad of prior art, bag mount pad 154 can come with less material receiving filtration bag flange 146.Use less material and less parts can reduce manufacturing cost, and less parts can cause and may along with the parts minimizing of time damage or wearing and tearing, can increase thus the life-span of vacuum cleaner.

Support body 156 also can comprise for the one or more flange fixation fastener 810 that flange 146 are fixed to support body 156.Flange fixation fastener 810 is positioned to engage the flange fixed orifice 814 in the sliding component 816 that is arranged in filter bag 140.Advantageously, flange fixation fastener 810 is the edge of fixing bag flange 146 directly, is different from the prior art securing member that the bag mount pad partly is fastened to another bag mount pad zone.By flange directly is fastened to bag mount pad 154, the user can more easily confirm the placement of suitable bag flange 146.Equally, because flange fixation fastener 810 can be made by material or the color different from bag flange 146, the user easily identifies the placement of suitable bag flange 146 and/or removes.In addition, a plurality of flange fixation fastener 810 provide the stronger attached of bag flange 146 and bag mount pad 154, have reduced the possibility that flange becomes and breaks away from.

Bag mounting bracket assembly 154 also can comprise a bag mount pad support column 510, and bag mount pad support column 510 can comprise making the directed and fixing bag mount pad flange lock clamp of filter bag 140 or hook lock door bolt 522, the bag vertical locking key 518 of mount pad and bag mount pad horizontal lock key 520.The vertical locking key 518 of bag mount pad and bag mount pad horizontal lock key 520 are corresponding to the recess 818 and 820 in flange 146, and when support body 156 was positioned at the operating position, they were fitted to each other.At the vertical locking key 518 of bag mount pad, when bag mount pad horizontal lock key 520 engages fully with recess 818 and 820, bag flange 146 is suitably aimed at, and support body 156 can be closed.In another preferred embodiment, locking key itself is vertically and level, guaranteeing that bag flange is not put upside down or to insert backward, otherwise can cause the misalignment of bag flange 146 and the leakage that foul atmosphere flows.For example the distally of latch mechanism lock flange 146 when support body 156 is positioned at the operating position of bag mount pad flange lock clamp 522 engages, so that the support column 510 that reclines keeps flange 146 and support body 156, is about to support body 156 and remains on the operating position.

In a preferred embodiment, support body 156 is formed by plastics, and plastics are injection-molded into the main body of general plane.Support body 156 is formed with opening 822, and the flange 146 that opening 822 is positioned in filter bag 140 remains in support body 156 on the appropriate location so that corresponding with bag entrance 144 when engaging with bag mount pad foul atmosphere suction apparatus.

Filter bag 140 can receive in gap 802 and engages with bag mounting bracket assembly 154 by flange 146 being inserted flange on support body 156.When filter bag 140 engaged fully with support body 156, bag entrance 144 was aimed at the support body opening 822 in support body 156, and the flange fixed orifice is aimed at flange fixation fastener 810.When support body 156 turns to the operating position, bag entrance 144 is aimed at and engages with the

recess

818 and 820 of bag mount pad foul atmosphere suction apparatus 506 and flange 146, aims at the vertical locking key 518 of bag mount pad and bag mount pad horizontal lock key 520 on support column 510.

Flange 146 can be included in the sliding component 816 that slides between open position and closing position.The user can catch and pull projection 152 in order to bag flange 146 is pulled out support body 156.Flange fixation fastener 810 has hook portion 824 at its far-end, joint flange fixed orifice 814 when hook portion 824 engages with support body 156 fully at flange 146.The joint of flange fixation fastener 810 and flange fixed orifice 814 is used for when filter bag 140 removes from support body 156, sliding component 816 being closed on bag entrance 144.When pulling projection 152 to remove filter bag 140 from support body 156, the hook portion 824 of flange fixation fastener 824 bears the power that the user applies the user.The required power of motion sliding component 816 is less than making flange fixation fastener 810 and flange fixed orifice 814 break away from required power.Therefore, sliding component 816 keeps fixing when bag flange 146 removes from support body 156.Flange sliding part 150 is fixed to the far-end of sliding component 186, and is positioned at flange slit 148.Flange slit 148 can provide reliable backstop in flange 146, so that anti-skidding member 816 is completely pulled out of flange 146.

In case sliding component 816 is fully closed on bag entrance 144, the flange fixation fastener 810 that is transferred to effectively that the user applies.This additional power makes flange fixed orifice 814 leave the flange fixation fastener, and then makes flange 146 and filter bag 140 break away from from support body 156.

Advantageously, bag flange 146 is less than the bag flange of the prior art with sliding component.Size reduce to have reduced manufacturing cost, finally cause consumer's cost.The extensible top edge that surpasses bag of the top edge of flange.

Fig. 9 represents the decomposition view of vacuum cleaner base plate 103, vacuum cleaner base seat lid 124 and vacuum cleaner air path lid.Vacuum cleaner base plate 103 can comprise wheel mount pad part 901, and it comprises one or more wheel mount pads 107.Vacuum cleaner base plate 103 can comprise pats bar part 903, pats bar part 903 and comprises beating rod shell 116.Base plate 103 can comprise channel part 902, and channel part 902 is connected to motor mount 107 and pats bar part 903.The vacuum cleaner base plate 103 that comprises wheel mount pad part 901, beating bar part 903 and channel part 902 can be one-piece construction.Channel part 902 can be connected to motor mount part 901 pats bar part 903.Channel part 902 can comprise wall 940 and floor 942.Channel part 902 also is used for surrounding and supporting other internal features of vacuum cleaner 100, for example circuit board 190 and foul atmosphere suction lead 175 (seeing Fig. 3).Internal part may be received in channel part 902 interior slit or holder.For example, circuit board 190 can be fixed in circuit board reception slit 926.

In some embodiments, channel part 902 has parallel sidepiece.In some embodiments, channel part 902 has the rear portion near wheel mount pad part 901, this rear portion is than anterior wide near beating bar part 903, and for example the width of channel part 902 can be from the rear portion of vacuum cleaner pedestal 102 to the anterior convergent of vacuum cleaner pedestal 102.In some embodiments, the width of channel part 902 is narrower than the wheel mount pad part 901 of base plate 103.In some embodiments, the width of channel part 902 is narrower than patting bar part 903.In some embodiments, channel part 902 is all narrower than wheel mount pad part 901 and beating bar part 903.In some embodiments, pat bar part 903 and comprise the fixing holder (not shown) of patting bar 192 (Fig. 3).In some embodiments, the thickness of the various piece of channel part can be about 1.25mm.But, should be understood that the thickness of channel part 902 can change to about 2.5mm from about 1.0mm.In some embodiments, base plate 103 has consistent thickness.In some embodiments, base plate 103 has different thickness in the zones of different of base plate 103 or different parts.For example, motor mount part 901 can be thicker than channel part 902, and channel part 902 is thicker than patting bar part 903.Motor mount part 901 can be thicker than channel part 902 or beating bar part 903.Channel part 902 can be thicker than motor mount part 901 or beating bar part 903.Patting the bar part can be thicker than channel part 902 or motor mount part 901.Should be understood that even motor mount part 901, channel part 902 or beating bar part 903 interior subregions can have different-thickness or similar thickness.Wall thickness can be along with change of shape, because for identical wall thickness, curve and jog are more firm than flat part.The 26S Proteasome Structure and Function that those of ordinary skill in the art will recognize that thickness and the base plate 103 in the different piece of base plate 103 and zone require and zones of different in or near contained any structure or the relation of functional part, thereby make enough and the base plate 103 of functionalization.

In some embodiments, base plate 103 can comprise the wall 940 with thickness.In some embodiments, base plate 103 can comprise the wall 940 with different-thickness.For example base plate 103 can have the wall 940 (for example wall 940 attenuation or thickening) gradually of convergent.This is called " draft angle ", and is mainly used to make die-cast part easier of coordinating die casting to remove, otherwise after casting, suction and friction can hinder and remove.In some embodiments, the thickness of wall 940 can be at about 1.5mm in the scope of about 2.5mm.Those of ordinary skill in the art can know that the 26S Proteasome Structure and Function of the thickness of each wall 940 of base plate 103 and base plate 103 requires and wall in or near contained any structure or the relation of functional part, thereby make the base plate 103 of enough and functionalization.In some embodiments, floor 942 can have consistent thickness, perhaps comprises the zone with different-thickness.In some embodiments, the thickness on floor 942 can be at about 1.0mm in the scope of about 2.0mm.Usually, base plate 103 can comprise structural support member, for example gudgeon, fin, sidewall and motor mount.Usually, base plate 103 can have gudgeon fin, thread protrusion and gudgeon, and its thickness is preferably 0.75mm to 2.5mm from 0.5mm to 5mm.If wish, for example the some parts of supporting member, fin or other structural detail can be formed by magnesium, and other parts can be formed by other material.In some embodiments, wheel mount pad 107 can have consistent thickness, perhaps comprises the zone with different-thickness.In some embodiments, the thickness of wheel mount pad 107 can be at about 0.75mm in the scope of about 1.75mm.

As shown in Figure 9, base plate 103 can comprise one or more wheel mount pads 107.In a preferred embodiment, base plate 103 can comprise at least two wheel mount pads 107.Wheel mount pad 107 can comprise planar section and curved surface portion.For example, in a preferred embodiment, wheel mount pad 107 can comprise directed planar section 912 and the curved surface portion 914 with fixing (Fig. 3) of motor sub-assembly 187 that help wherein receives.When motor sub-assembly 187 suitably inserted wheel mount pad 107, planar section prevented that motor sub-assembly is in the interior rotation of wheel mount pad 107.Wheel mount pad 107 also comprises the locking slit 916 that receives track hub lock tab 113, in order to wheel assembly 109 and track 110 are fixed to vacuum cleaner pedestal 102 (Fig. 4).Each wheel mount pad 107 can comprise one, two or more locking slit 916.In addition, wheel mount pad fin 938 can be used to prevent lateral movement when wheel assembly 109 is on being assembled into wheel mount pad 107.

Wheel mount pad 107 can comprise and makes motor sub-assembly 187 be fastened on one, two or more zone in wheel mount pad 107.For example, wheel mount pad 107 can be included in the motor lock tab 928 (seeing Fig. 3) that motor end plate 188 suitably inserts wheel mount pad 107 and frictional fit corresponding with the motor end plate breach 197 on motor end plate 188 when interior.When motor end plate 188 suitably inserts wheel mount pad 107, the planar section 912 of wheel mount pad 107 and frictional fit (see Fig. 3) corresponding with motor end plate flat edge 188.The combination of the planar section 912 of motor lock tab 928 and wheel mount pad 107 allows frictional fit, with fixing motor end plate 188.But the top of vacuum cleaner base seat lid 124 fixing motor assemblies 187.Motor sub-assembly 187 is fixed in wheel mount pad 107 thus, and without any additional securing member.

Base plate 103 can comprise the bracket portion 904 (for example gudgeon) that is positioned at wheel mount pad part 901.Bracket portion 904 can comprise one or more motor support platforms 930 (for example gudgeon fin) that the one or more cradle walls 918 by the distal part that limits bracket portion 904 form.Cradle walls 918 prevents that motor directly the recline outside of base plate 103 from placing, and forms internal chamber thus between motor sub-assembly 197 and base plate 103.A plurality of passages 906 make air enter and leave base plate 103, and make heat and any trapped particles in base plate 103 leave easily vacuum cleaner pedestal 102 when assembling.Although not shown, can comprise additional passage on the distal part of bracket portion 904.

Wheel mount pad part 901 also can comprise and makes

cable

182 and 186 enter in order to A/C electric power is provided or the cable aperture 908 and 910 of signal electric power (seeing Fig. 2) is provided for the internal part of vacuum for motor sub-assembly 187.

As mentioned above, wheel mount pad 107 can hold motor sub-assembly and drives the beating bar.The one-piece construction that is used for base plate 103 can advantageously reduce " footmark " of vacuum cleaner pedestal, and reduces and make required quantity of material and the time of vacuum.But, by holding motor in wheel mount pad 107, and be fixed in the vacuum housing via frictional fit, can form especially many stress on base plate 103 and wheel mount pad 107.

Base plate 103 can comprise any material with suitable strength-to-weight ratio.In one embodiment, magnesium is the suitable material for base plate 103.In one embodiment, for example the material of carbon fiber (for example graphite) or titanium or other alloy can provide suitable intensity, lightweight weight and have low manufacturing cost.In some embodiments, this material can provide the buffer capacity of increase, and can reduce thus the noise of the interior any moving component of vacuum or motor generation.Those of ordinary skill in the art will know desirable structure/functional characteristic in material, and can select to satisfy as far as possible best the material prescription of the numerous characteristics of these characteristics.In one embodiment, base plate 103 can be made by the die casting suitable material.But, should be understood that any suitable manufacturing process can be used for making base plate 103.In a preferred embodiment, base plate 103 comprises the magnesium die-cast metal.For example, AZ91D is the concrete ASM material prescription of magnesium, and it provides the intensity-thickness of hope.AZ91D comprises: the Zn of the A1 of 8.3-9.7%, minimum 0.15% Mn, 0.35-1.0%, maximum 0.10% S i, maximum 0.005% Fe, maximum 0.030% Cu, maximum 0.002% Ni, other material (every kind) of maximum 0.02% and the magnesium of surplus.Has the material of similar or larger intensity-thickness also in the scope of this instruction.The other information of relevant magnesium die-cast metal AZ91D can for example find at address mg.tripod.com/asm-prop.htm.

According to its application ﹠ design configuration, for example the article of aluminium, steel and iron can not have the requirement of suitable intensity and lightweight weight.In addition, when considering the raw material that comprise and cost of transportation, aluminium, steel and iron can have the manufacturing cost of increase.Use the steel with suitable intensity may cause base plate to have the weight that is four times in the magnesium base plate in base plate.In addition, according to the application ﹠ design configuration, injection molded can not be suitable for by its base plate that forms 103.The use of injection molded may cause base plate to have the weight that doubles the magnesium base plate.The use of injection molded also can cause thicker base plate, therefore needs the manufacturing cost of more product and increase.

In some embodiments, the extention of vacuum cleaner can comprise magnesium.For example, although handle 106 and vacuum pedestal 102 are expressed as comprising magnesium, other parts such as air conduit, wheel, cable hook also can comprise magnesium.In some embodiments, all or basically all vacuum cleaner 100 can comprise magnesium.Those of ordinary skill can know how to determine the multiple parts of vacuum cleaner and appropriate configuration, intensity and the weight characteristic of part with magnesium.In some embodiments, the part that comprises magnesium of vacuum cleaner can there is no other material.In some embodiments, the part that comprises magnesium of vacuum cleaner can comprise about 0.1% to about 100% magnesium.Unrestricted, this part can comprise about 0.1,0.5,1.0,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,96,97,98,99,99.9 to about 99.99% magnesium.In some embodiments, the extention of vacuum cleaner can comprise the material with the characteristic that is similar to magnesium.In these embodiments, the part that comprises the material with the characteristic that is similar to magnesium of vacuum cleaner there is no other material.In some embodiments, the part that comprises the material with the characteristic that is similar to magnesium of vacuum cleaner can comprise about 0.1% to about 100% magnesium.Unrestricted, this part can comprise about material with the characteristic that is similar to magnesium of 0.1,0.5,1.0,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,96,97,98,99,99.9 to about 99.99%.

Vacuum cleaner base seat lid 124 can be fixed to base plate 103 via securing member.Securing member receiver 920 in base plate 103 (for example projection) can be corresponding to the securing member receiver 932 in base seat lid 124.For example the securing member (not shown) of screw or rivet can be used for base plate is fixed to base seat lid 124.In addition, air path lid 125 can be fixed to base plate 103 via securing member.Securing member receiver (not shown) in base plate 103 can cover 125 interior securing member receivers 934 corresponding to air path.For example the securing member (not shown) of screw or rivet can be used to base plate 103 is fixed to air path lid 124.

In some embodiments, the weight of vacuum cleaner 100 is between about 5 to about 10 pounds.In some embodiments, the weight of vacuum cleaner 100 is between about 6 to about 8 pounds.In a preferred embodiment, the weight of vacuum cleaner is about 7 pounds.

In some embodiments, vacuum cleaner 100 also can comprise attached flexible pipe and hand-held attachment arrangement.For example, a kind of embodiment of hand-held attachment arrangement can comprise flexible hose or rigid hose.Vacuum cleaner 100 can comprise the extendible opening tool that partially or completely is attached in the flexibility or rigidity flexible pipe.In some embodiments, hand-held attachment arrangement can be including, but not limited to brush, squeegee, beating bar, extension hose, nozzle etc.In some embodiments, upright vacuum cleaners can comprise and the convenient tool box deposited convenient for hand-held attachment arrangement (for example extendible opening tool).The tool box can be arranged on dirt collecting 104 or vacuum cleaner pedestal 102.The tool box can be around extendible opening tool frictional fit, so that the depositing and managing of flexibility or rigidity flexible pipe, extendible opening tool or other hand-held attachment arrangement.

It is also contemplated that the combination in conjunction with the different characteristic of the exemplary description of each embodiment.Although embodiment described herein relates to upright vacuum cleaners, also it is contemplated that the vacuum cleaner structure that substitutes (such as hand-held, pot type cleaner etc.).

Numerous embodiments described above only provides by example, should not be considered as restriction the present invention.Those of ordinary skills easily recognize and can carry out many remodeling and modification and the adhere rigidly to illustrative embodiments describing and illustrate not here for the present invention, and do not depart from true spirit of the present invention and the scope that claim provides.

Claims

1. base bottom that is used for vacuum cleaner comprises:

Can support the first of motor;

Comprise the second portion of patting rod shell;

Wherein, described base bottom comprises magnesium and has Construction integration.

2. the base bottom for vacuum cleaner according to claim 1, also comprise the passage that connects described first and second portion.

3. the base bottom for vacuum cleaner according to claim 2, wherein, the width of described passage is less than the width of described first.

4. the base bottom for vacuum cleaner according to claim 2, wherein, the width of described passage is less than the width of described first and the width of described second portion.

5. the base bottom for vacuum cleaner according to claim 1 also comprises the slit of circuit board for receiving.

6. the base bottom for vacuum cleaner according to claim 1, wherein, described second portion also comprises installs the supporting member of patting bar.

7. the base bottom for vacuum cleaner according to claim 1, also comprise two wheel mount pads.

8. the base bottom for vacuum cleaner according to claim 1, also comprise the wheel mount pad that can receive motor and be arranged in described wheel mount pad so that at least two fastening point of fastening motor.

9. the base bottom for vacuum cleaner according to claim 1, wherein, magnesium is die casting.

10. vacuum cleaner pedestal comprises:

Can receive the wheel mount pad of motor and be arranged in described wheel mount pad so that at least two fastening point of fastening motor;

Wherein, to pat the load axle of bar be conllinear roughly for described two fastening point, motor drive shaft and driving.

11. vacuum cleaner pedestal according to claim 10, wherein, described two fastening point comprise two generally flat parts that are arranged on described wheel mount pad and can receive the motor lock fixed rack.

12. vacuum cleaner pedestal according to claim 10 also comprises the motor supporting bracket that is fixed to described at least two fastening point.

13. vacuum cleaner pedestal according to claim 10, wherein, described wheel mount pad comprises the magnesium of die casting.

14. vacuum cleaner pedestal according to claim 10, wherein, described wheel mount pad comprises the generally flat part that can receive the motor lock fixed rack.

15. vacuum cleaner pedestal according to claim 10, wherein, described wheel mount pad comprises can receive the holder that is arranged in the lock bolt on wheel hub.

16. a vacuum cleaner comprises:

Motor, it produces the suction that is used for described vacuum cleaner in operation;

Housing has one or more structure support members, and described structure support member has the thickness that is less than or equal to the extremely about 2.5mm of about 0.75mm;

Wherein, at least one structure support member is with respect to the relation configuration of described motor with load capacity.

17. vacuum cleaner according to claim 16, wherein, wall is formed by the material that comprises magnesium.

18. vacuum cleaner according to claim 16, wherein, described one or more structure support members are the described motor of supporting in operation.

19. vacuum cleaner according to claim 16, wherein, described one or more structure support member supportings are patted rod shell.

20. vacuum cleaner according to claim 16, wherein, described thickness is less than or equal to about 1 to about 2mm.

21. vacuum cleaner according to claim 16, wherein, described one or more structure support members have the thickness that is less than or equal to about 3mm.

22. a vacuum cleaner comprises:

Pedestal, described pedestal comprise first, be connected to the second portion of described first and be arranged in a plurality of wheels in described first;

The dirt-collecting parts, described dirt-collecting parts are collection of debris in forming vacuum process, and can be connected to described pedestal;

Motor, described motor arrangement is in described pedestal; And

Path, described path are formed in described pedestal, are used for chip from the surface towards described dirt-collecting parts guiding;

Wherein, described first is basically formed by magnesium and can receive described motor.

23. a vacuum cleaner comprises:

Pedestal, described pedestal comprises the support section that is basically formed by magnesium;

Pair of rear wheels, described rear wheel uses bearing element and is being arranged at least a portion of described support section on described pedestal; And

The multipurpose support assembly, described multipurpose support assembly connects vacuum handle, bag mount pad and cable supporting component;

The thrust that wherein said multipurpose support assembly will be applied to described vacuum handle is transported to the vacuum pedestal.

24. vacuum cleaner according to claim 23 also comprises being parallel to the volute section air intake of patting that rod shell arranges.

25. vacuum cleaner according to claim 23 also comprises a bag mount pad, described bag mount pad can make basically all filter bags fill below described bag mount pad.