CN101849800A

CN101849800A - Cleaning appliance

Info

Publication number: CN101849800A
Application number: CN201010158013A
Authority: CN
Inventors: 彼得·D·甘马克; 戴维·R·森德兰; 斯图尔特·L·盖恩
Original assignee: Dyson Ltd
Current assignee: Dyson Technology Ltd; Dyson Ltd
Priority date: 2009-03-31
Filing date: 2010-03-31
Publication date: 2010-10-06
Anticipated expiration: 2030-03-31
Also published as: EP2413761B1; US20100242208A1; EP2413761A1; GB2469053A; AU2010231170A1; GB2469053B; CN101849800B; GB0905496D0; JP2010240441A; WO2010112882A1; JP5022466B2

Abstract

A kind of cartridge type cleaning appliance, comprise the separation equipment (12) that is used for foul is separated from the fluid stream of band foul, have fluid intake and be used to suck fluid flow and cross the ground engagement rolling assembly (20) of the device of this fluid intake, be used for that the fluid from separation equipment is spread the pipe (30) of delivering to rolling assembly and being used to and realize device (28,32) between separation equipment and the rolling assembly around the motion that is pivoted relative to each other of the axis that passes this pipe.

Description

Cleaning appliance

Technical field

The present invention relates to a kind of cleaning appliance.

Background technology

Such as the such cleaning appliance of vacuum cleaner is known.(being referred to as pot type or bucket formula machine) majority of vacuum cleaner or " vertical " type or " cartridge type " type in some countries.Cylinder vacuum cleaner generally includes main body and separation equipment, this main body contains and is useful on the fluid stream that will carry foul secretly and is drawn onto motor-driven fan unit in the vacuum cleaner, this separation equipment for example is cyclone separator or sack, is used for foul is separated from fluid stream with dust.The fluid flow of carrying foul secretly is crossed the suction hose and the rod assembly that are connected to main body and is introduced in the main body.When the user indoor when mobile, the main body of vacuum cleaner is pulled together in company with flexible pipe.Burnisher is attached to the far-end of flexible pipe and rod assembly.

For example, GB2,407,022 have described a kind of cylinder vacuum cleaner with frame of supporting Cyclonic separating apparatus.This vacuum cleaner has two main wheels and castor, has a main wheel, this castor to be positioned at the frame front below on each side at frame rear portion, and it allows vacuum cleaner to be pulled from the teeth outwards.This castor trends towards being installed on the circular supporting member, and this circle supporting member is installed in again on the frame, allows the castor revolution with the change of the direction that pulled from the teeth outwards in response to vacuum cleaner.

Summary of the invention

In first aspect, the invention provides a kind of cleaning appliance, cartridge type preferably comprises the separation equipment that is used for foul is separated from the fluid stream of band foul, comprises fluid intake and is used to suck fluid flow and crosses the ground engagement rolling assembly of the device of this fluid intake, is used for the fluid from separation equipment spread and delivers to the pipe of rolling assembly and be used to realize the device around the motion that is pivoted relative to each other of the axis that passes this pipe between separation equipment and the rolling assembly.

By allowing separation equipment pivot with respect to rolling assembly, separation equipment can for example towards the direction that utensil was diverted, move the center of gravity of cleaning appliance and improve towards the direction that utensil was diverted the stability of utensil thus with respect to rolling assembly " rotation ".Separation equipment rotates towards the direction that utensil was diverted can also reduce the risk that utensil is blocked by the upright object on the floor surface.

Pipe is arranged so that pivot axis passes this pipe and can keep the fluid sealing when separation equipment pivots with respect to rolling assembly between pipe and separation equipment.Pipe comprises the fluid intake that is used to receive from the fluid stream of separation equipment, and pivot axis preferably passes the fluid intake of pipe.

The fluid intake of pipe preferably includes convex external surface, is used to engage the concave surface of the fluid issuing of separation equipment.Pipe preferably is connected to separation equipment by ball-and-socket joint, and by this joint, fluid stream can enter pipe.At the fluid issuing of separation equipment during with respect to the fluid intake rotation of pipe, the use of ball-and-socket joint can further help to keep the basic fluid sealing between separation equipment and the outlet.

Pipe preferably extends to rolling assembly from the upper surface of separation equipment.Pipe preferably can break away from from separation equipment, dismantles from utensil to allow separation equipment.In order to help pipe to dismantle from separation equipment, pipe preferably is pivotably connected to rolling assembly.Pipe preferably is connected to the upper surface of the main body of rolling assembly, so that it can move to down position from raised position, allows separation equipment also to be repositioned at subsequently on the utensil from the utensil dismounting at raised position, is connected to separation equipment at the down position pipe.At this down position, pipe preferably is configured to separation equipment is remained on the utensil.Pipe preferably forms with rigid material, plastic material preferably, and preferably include the handle that can therewith move.This utensil preferably includes and is used for will guaranteeing the device that is held in down position releasedly.This can prevent that in the use of utensil pipe unexpectedly breaks away from from separation equipment, and also allows utensil to carry with the handle that is connected to pipe.

Separation equipment preferably has the outer wall around the longitudinal axis extension of separation equipment, and this longitudinal axis preferably tilts around axis with respect to the motion institute that is pivoted relative to each other that is realized.Thus in a second aspect of the present invention, a kind of cartridge type cleaning appliance is provided, comprise be used for foul from the fluid flow point of band foul from separation equipment, comprise and be used to suck the ground engagement rolling assembly that fluid flow is crossed the device of this separation equipment, and be used to realize the device of the motion that is pivoted relative to each other between separation equipment and the rolling assembly, the outer wall that this separation equipment has longitudinal axis and extends around this longitudinal axis, the longitudinal phase of separation equipment for axis to the motion that is pivoted relative to each other that is realized around axis tilt.The longitudinal axis of separation equipment preferably with respect to the motion that is pivoted relative to each other that is realized around tilt angle in 20 to 50 ° of scopes of axis.

Rolling assembly is preferably spherical.Rolling assembly can comprise the housing of substantially spherical, and this housing rotates when cleaning appliance moves on floor surface.But utensil preferably includes main body and a plurality of ground engagement rolling element, and this element is rotatably connected to main body, and they limit the ground engagement rolling assembly of substantially spherical together.Be used to suck fluid flow and cross the device of separation equipment and preferably be connected to main body, so that it does not rotate when cleaning appliance is mobile on floor surface.Be used to suck fluid flow and cross the fan unit that the device of separation equipment preferably includes the motor driving.Rolling assembly preferably also comprises filter, is used for particle is removed from the fluid stream that passes rolling assembly.Filter preferably extends around motor, and preferably can dismantle from main body.The part of shell that for example, can be by dismounting rolling assembly main body or connect and near filter by one in the rolling element of rolling assembly is broken away from from main body.

Each preferably is rotatably connected to the wheel of rolling assembly main body respective side a plurality of rolling elements.Each preferably has crooked, dome shape outer surface preferably these rolling elements, and preferably have the edge substantially flush with the corresponding bound fraction of rolling assembly main body, so that rolling assembly can have relative continuous exterior surface, this can improve the navigability of utensil.Convex ridge can be arranged on the rolling element outer surface, to improve grasping on the floor surface.Anti-skidding texture or coating can be set on the rolling element outmost surface, on such as hard, light or damp ground, grasp helping.

The rotation of rolling element upwards tilts towards main body with respect to the floor surface at cleaning appliance place, so that the edge join floor surface of rolling element.The angle of inclination of rotation is preferably 5 ° to 15 ° scopes, more preferably 6 ° to 10 ° scopes.

The result that the rolling element rotation tilts is, the part of main body outer surface is exposed, and---as be used for starter or cable is recoiled the exercisable switch of user of mechanism---is positioned at the exposed portions serve of main body with the parts with cleaning appliance.In a preferred embodiment, be used for fluid stream from one or more port locations of cleaning appliance discharging outer surface in main body.As another result that the rotation of rolling element tilts, the rotation of rolling element can by with respect to the motion that is pivoted relative to each other of described realization around axis tilt.Therefore, in a third aspect of the present invention, a kind of cleaning appliance is provided, be preferably cartridge type, comprise and being used for the separation equipment of foul from the fluid stream separation of band foul, the ground engagement rolling assembly, this rolling assembly comprise ccontaining be used to suck fluid flow cross separation equipment device main body and with respect to the rotatable a plurality of ground engagement rolling elements of this main body, and be used to realize the device that is pivoted relative to each other between separation equipment and the rolling assembly around an axis, wherein the rotation of rolling element with respect to the motion that is pivoted relative to each other of described realization around axis tilt.The rotation of each rolling element preferably with respect to the motion that is pivoted relative to each other of described realization around tilt angle in 70 to 85 ° of scopes of axis, more preferably be 80 to 84 ° of angles in the scope.

Separation equipment preferably moves around the radian that preferably is not more than 90 ° with respect to rolling assembly, and preferably is not more than 60 °.Separation equipment is the form of Cyclonic separating apparatus preferably, has at least one cyclone, and it preferably includes the chamber that is used for the dust collection of separating from fluid stream is got up.Other forms of separator or separation equipment also can be used, and the example of suitable isolation technics comprises whizzer, filter bag, porous container and electrostatic separator or based on the separator of liquid.Separation equipment preferably includes filter, is used for before fluid flows to pipe particle being removed from the fluid diffluence.Filter preferably removably is contained in the cyclonic separation unit of separation equipment.

Separation equipment preferably includes handle, dismantles from utensil with auxiliary its.This handle preferred orientation is below pipe, so that handle is covered by pipe at least in part in the utensil use when this pipe is in its down position.Handle preferably can move between stowed position and expanded position, and handle can easily be operated by the user in expanded position.Handle is preferably by towards the expanded position bias voltage.Pipe can be arranged to handle and engage, and when moving to its down position with this pipe of box lunch handle is actuated towards its stowed position.

Separation equipment preferably includes wall and base element, and this base element is maintained in its closed position by the holding section and pivotablely is connected to described wall.Separation equipment preferably includes actuation mechanism, is used to handle this holding section, and the handle of separation equipment preferably include can manually operated button, be used for this actuation mechanism of start.This button below pipe preferably also is positioned at pipe during at its down position and preferably when handle is in its stowed position between handle and rolling assembly main body, to reduce actuation mechanism by the risk of unexpected start.

Utensil preferably includes the supporting member that is used for supporting separation equipment when separation equipment is positioned on the utensil.This supporting member is preferably by towards the pipe bias voltage, so that with the fluid intake of the fluid issuing backup pipe of separation equipment.Supporting member is preferably by towards the pipe bias voltage, and with the fluid intake of the fluid issuing backup pipe of separation equipment, the fluid between the maintenance separation equipment and this pipe is tightly connected when separation equipment pivots with respect to rolling assembly to help.Separation equipment preferably includes the outer wall of substantially cylindrical, the curved bearing surface supporting of its supported part.Supporting member preferably includes protuberance, and it is arranged in the recess of the base portion that is formed on separation equipment.

The device of motion of being used to realize to be pivoted relative to each other between separation equipment and the rolling assembly preferably includes inlet tube, and this inlet tube is used for the fluid of band foul spread delivers to separation equipment.This inlet tube preferably is positioned under the separation equipment.Supporting member preferably is connected to inlet tube, or forms with its integral body.Separation equipment preferably includes fluid intake, and it is positioned at when separation equipment is positioned on the supporting member near the fluid issuing from inlet tube.

Utensil preferably includes frame.This frame preferably is connected to rolling assembly, more preferably is connected to the main body of rolling assembly.Frame preferably includes the body that is connected to the rolling assembly main body and is connected to or is incorporated into a counter-lateral quadrents of frame body.Each sidepiece preferably has antetheca, and described wall tilts with 60 ° of angles to 120 ° of scopes.

Inlet tube preferably is connected to this frame.Inlet tube can comprise the entrance zone, threshold zone of relative flexibility and the exit zone of relative stiffness.Entrance zone, threshold zone preferably includes flexible hose, and described flexible hose is connected to the exit zone of inlet tube.The exit zone of inlet tube preferably is pivotably connected to frame, so that the motion of the entrance zone, threshold zone of inlet tube causes the exit zone of inlet tube and separation equipment all around pivot axis.The supporting member that is used to support separation equipment can be connected to the exit zone of inlet tube.Connecting portion can be arranged on an end of inlet tube, is used to be connected to flexible pipe and rod assembly, and the user spurs this flexible pipe and rod assembly is used for spurring utensil on floor surface.

Utensil preferably includes hose support, and this supporting member is used for supports hoseline and can pivoting with respect to rolling assembly, and preferably be connected the frame body the front end place or near so that stretch out from frame.Hose support preferably includes the ground engagement rolling element, steadily moves on floor surface when utensil is handled on floor surface to allow hose support.The pivot axis of hose support is preferably spaced apart with the pivot axis of separation equipment, and preferably is basically parallel to the pivot axis of separation equipment.Hose support preferably can pivot more preferably no more than 142 ° radians with respect to rolling assembly around being not more than 180 °.

Although the reference vacuum dust catcher has been described embodiments of the invention, it should be understood that the present invention can also be applied to other forms of cleaning appliance.Term " cleaning appliance " purpose is to have wide in range implication, and comprises manyly having main body and be used for taking fluid to floor surface or suck the device of fluid from floor surface.It especially comprises the machine that only applies suction to the surface, as vacuum cleaner (dry type, wet type and dried/wet variant), so that material is picked up from the surface, and with material put on the surface machine, as polishing/waxing machine, pressure washer and carpet cleaner.

Above-mentioned feature comparable applications about first aspect present invention is in of the present invention second and the third aspect, and vice versa.

Description of drawings

With reference to appended accompanying drawing, existing will only the description embodiments of the invention in the mode of example, in the accompanying drawings:

Fig. 1 is the perspective view of vacuum cleaner;

Fig. 2 is the side view of the vacuum cleaner of Fig. 1;

Fig. 3 is the bottom view of the vacuum cleaner of Fig. 1;

Fig. 4 is the top view of the vacuum cleaner of Fig. 1;

Fig. 5 is the sectional view along the intercepting of the F-F line among Fig. 2;

Fig. 6 is the sectional view along the intercepting of the G-G line among Fig. 4;

Fig. 7 is the perspective view of the vacuum cleaner of Fig. 1, and its mid frame is along a directional steering;

Fig. 8 is the bottom view of the vacuum cleaner of Fig. 1, and its mid frame is disassembled along a directional steering and separation equipment;

Fig. 9 is the top view of the vacuum cleaner of Fig. 1, and its mid frame is disassembled along a directional steering and separation equipment;

Figure 10 is the front view of the vacuum cleaner of Fig. 1, and wherein separation equipment is disassembled;

Figure 11 is the perspective view of the vacuum cleaner of Fig. 1, and wherein separation equipment is disassembled;

Figure 12 is the top view of separation equipment of the vacuum cleaner of Fig. 1;

Figure 13 is the rearview of the separation equipment of Figure 12;

Figure 14 (a) is the top view of a part of the separation equipment of Figure 12;

Figure 14 (b) is the sectional view through the I-I line among Figure 12;

Figure 14 (c) is the perspective view of the overlapping pipe assembly (cross-over duct assembly) of the separation equipment of Figure 12;

Figure 15 is the side view of filter of the separation equipment of Figure 12;

Figure 16 is the side view of the separation equipment of Figure 12, and wherein the filter of Figure 15 is partly shifted out from separation equipment;

Figure 17 is the side view of the separation equipment of Figure 12, and wherein the filter of Figure 15 is fully inserted in the separation equipment and the handle of separation equipment is in the stowed position;

Figure 18 is the side view of the separation equipment of Figure 12, and wherein the filter of Figure 15 is fully inserted in the separation equipment, and the handle of separation equipment is in expanded position;

Figure 19 is in the sectional view of its stowed position for the handle of the separation equipment of Figure 12;

Figure 20 is in the sectional view of its expanded position for the handle of the separation equipment of Figure 12;

Figure 21 (a) is the side view of the vacuum cleaner of Fig. 1, and wherein the pipe that extends to main body from separation equipment is in raised position;

Figure 21 (b) is the side cross-sectional view along the intercepting of the J-J line among Fig. 4;

Figure 22 is the enlarged side view of main body of the vacuum cleaner of Fig. 1; With

Figure 23 is the sectional view along the intercepting of the F-F line among Figure 22.

The specific embodiment

Fig. 1 to 4 has shown the external view of the cleaning appliance of vacuum cleaner 10 forms.Vacuum cleaner 10 is cartridge type or pot type (cylinder or canister type).Generally speaking, vacuum cleaner 10 comprises and is used for separation equipment 12 that foul and dust are separated from air-flow.Separation equipment 12 is the form of Cyclonic separating apparatus preferably, and comprises the outer container 14 of the outer wall 16 with substantially cylindrical.The base portion 18 that the lower end of outer container 14 is bent is closed, and this base portion 18 is attached to outer wall 16 pivotally.Be used for producing suction and be supported in rolling assembly 20 with the fan unit that the air that will carry booty is drawn into the motor driving of separation equipment 12, this rolling assembly is positioned at separation equipment 12 rears.Rolling assembly 20 comprises main body 22 and two

wheels

24,26, and described two wheels are rotatably connected to main body 22 to be used for the ground-engaging surface.The air that the inlet tube 28 that is arranged in separation equipment 12 belows will carry foul is sent to separation equipment 12, and outlet 30 will be sent to the rolling assembly 20 from the air that separation equipment 12 is discharged.Steering mechanism 32 turns to vacuum cleaner 10 when the manipulation vacuum cleaner is crossed on the floor surface that will be cleared up.

Steering mechanism 32 comprises frame 34, and this frame 34 is connected to the main body 22 of rolling assembly 20.Frame 34 roughly is an arrowhead form, and comprises a slender body 36 and a counter-lateral quadrents 38, and described slender body is connected to the main body 22 of rolling assembly 20 in its back-end, and each front end from slender body 36 of this counter-lateral quadrents extends back and tilt to slender body 36.The inclination of the antetheca of the sidepiece 38 of frame 34 can help in the corner, furniture or other are handled vacuum cleaner 10 around the upright object of floor surface, because in case contact with this object, these antethecas of the sidepiece 38 of frame 34 trend towards sliding against upright object, to guide rolling assembly 20 around upright object.

Steering mechanism 32 also comprise be used for the one wheel pairs assembly that engages with floor surface 40 and be used to control wheel assembly 40 with respect to frame 34 towards the controlling organization of controlling vacuum cleaner 10 moving direction on floor surface thus.Wheel assembly 40 is positioned at sidepiece 38 rears of frame 34, and in the place ahead of the

wheel

24,26 of rolling assembly 20.Wheel assembly 40 can be considered to the steering front wheel (articulated front wheel) of vacuum cleaner 10, and the

wheel

24,26 of rolling assembly 20 can be considered to the trailing wheel of vacuum cleaner 10.

Except on floor surface, making vacuum cleaner 10 turns to, when rolling assembly 20 is handled on floor surface, wheel assembly 40 is formed for supporting the supporting member of rolling assembly 20, and restriction rolling assembly 20 is around the rotation that is orthogonal to wheel assembly 40 and be basically parallel to the rotation of the axis of floor surface, and wherein vacuum cleaner 10 is handled on this floor surface.Distance between the point that distance between the contact point of wheel assembly 40 and floor surface contacts with floor surface greater than the

wheel

24,26 of rolling assembly 20.In this example, the distance between the point that wheel assembly 40 contacts with floor surface approximately is the twice of distance between the

wheel

24,26 of rolling assembly 20 and the floor surface contact point.

Controlling organization comprises a pair of steering arm 42, and each steering arm is connected to frame 34 with corresponding wheel assembly 40.Each steering arm 42 is L shaped shape substantially, so that around its corresponding wheel assembly 40 bendings.Each steering arm 42 is pivotably connected to the end of the respective side portion 38 of frame 34 at its first end place, be used for doing pivoting action around corresponding hub axis (hub axis) H.Every hub axis H is orthogonal to the rotation of wheel assembly 40 substantially.Second end of each steering arm 42 is connected to corresponding wheel assembly 40, so that wheel assembly 40 can rotate freely when vacuum cleaner 10 is mobile on floor surface.As shown in the figure, for example, in Fig. 3, the antetheca that the outer surface of steering arm 42 has with the sidepiece 38 of frame 34 similarly tilts, if so that the sidepiece 38 of frame 34 contacts with upright object, the steering arm 42 that then is connected to this sidepiece 38 also helps to guide rolling assembly 20 and wheel assembly 40 around upright object.

Controlling organization also comprises elongated TRAJECTORY CONTROL arm 44, and this TRAJECTORY CONTROL arm is used to control the pivoting action of steering arm 42 around their hub axis H, controls the moving direction of vacuum cleaner 10 on floor surface thus.Also referring to Fig. 5 and 6, frame 34 comprises lower bearing bracket section 46 and upper spider section 48, and the lower bearing bracket section is connected to the main body 22 of rolling assembly 20, and the upper spider section is connected to lower bearing bracket section 46.Each

frame section

46,48 can form with one or more building blocks.Upper spider section 48 comprises the bottom 50 of substantially flat, and this bottom 50 forms the body 36 and the sidepiece 38 of frame 34 with lower bearing bracket section 46.Upper spider section 48 also comprises end wall 52 and shaping top (profiled upper portion) 54, and this end wall is upright from the bottom 50, and this top is connected to end wall 52 and extend above the part of bottom 50.The mid portion of TRAJECTORY CONTROL arm 44 is maintained between the bottom 50 and top 54 of upper spider section 48.TRAJECTORY CONTROL arm 44 is orientated so that be orthogonal to the body 36 of frame 34 substantially when vacuum cleaner 10 moves forward on floor surface with respect to frame 34.Each end of TRAJECTORY CONTROL arm 44 is connected to second end of corresponding steering arm 42, so that TRAJECTORY CONTROL arm 44 causes each steering arm 42 to pivot around its hub axis H with respect to the motion of frame 34.This makes each wheel assembly 40 move around the end of its respective side portion 38 of frame 34 again, to change the direction of motion of vacuum cleaner 10 on floor surface.

Referring to Fig. 6, lower bearing bracket section 46 comprises axostylus axostyle 56, and this axostylus axostyle extends upward from it substantially orthogonally, and this axostylus axostyle passes the hole in the bottom 50 that is formed on upper shell section 48.The top 54 of upper shell section 48 comprises the recess that is used to receive axostylus axostyle 56 upper ends.The longitudinal axis of axostylus axostyle 56 limits the main pivot axis P of steering mechanism 32.Pivot axis P is basically parallel to hub axis H.

The inlet tube 28 that the air that is used for carrying foul is sent to separation equipment 12 is pivotably connected to frame 34.Inlet tube 28 comprises the arm 58 that extends back, and this arm also is maintained between the bottom 50 and top 54 of upper spider section 48.Arm 58 comprises the hole of the axostylus axostyle 56 that is used to receive lower bearing bracket section 46, so that arm 58 can pivot around axis P.Arm 58 also comprises groove 60, is used to hold the pin 62 that is connected to TRAJECTORY CONTROL arm 44, and sells 62 when arm 58 when axis P pivots and can move in this groove.Groove 60 and sell joint between 62 make arm 58 when axis P pivots TRAJECTORY CONTROL arm 44 with respect to frame 34 motions.Arm 58 and therefore inlet tube 28 can be considered to be formed for to allow the part of the steering mechanism 32 that vacuum cleaner 10 turns on floor surface.

Referring to Fig. 1 to 5, inlet tube 28 comprises the entrance zone, threshold zone of relative flexibility and the exit zone of relative stiffness, and arm 58 is connected to this exit zone.The entrance zone, threshold zone of inlet tube 28 comprises flexible hose 64, this flexible hose is connected to the exit zone of inlet tube 28 and is connected to connecting portion 66 at its other end at the one end, this connecting portion is used to be connected to rod and hose (not shown), to be used for that the air-flow of band dust is sent to inlet tube 28.Rod and hose are connected to the cleaning head (not shown), and this cleaning head comprises suction opening, and the air communication of band foul is crossed this suction opening and is inhaled in the vacuum cleaner 10.Only for the sake of clarity, from Fig. 6 to 10, omitted flexible pipe 64.Steering mechanism 32 comprises bar 68, is used for supports hoseline 64 and connecting portion 66 and is used for connecting portion 66 is connected to frame 34.Bar 68 comprise the front section of extending forward from the front portion of frame 34 and be positioned at lower bearing bracket section 46 and upper spider section 48 between back section.The back section of bar 68 is connected to frame 34, is used for doing pivoting action around the pivot axis Y of bar.Axis Y is spaced apart with axis P and substantially parallel with it.Frame 34 is shaped as and limits opening 70, and it is outstanding from frame 34 that bar 68 passes this opening, and this opening with bar 68 with respect to the pivoting action of frame 34 be limited in ± 65 ° scope in.Bar 68 comprises ground engagement rolling element 72, be used for bar 68 is bearing in floor surface, and this ground engagement rolling element has the rotation that is orthogonal to axis Y substantially.

Vacuum cleaner 10 comprises supporting member 74, and separation equipment 12 is removably mounted on this supporting member.Supporting member 74 is connected to the exit zone of inlet tube 28, is used for moving with this exit zone when axis P pivots at arm 58.Specifically referring to Fig. 6,9 and 11, in this example, supporting member 74 comprises sleeve 76 and platform 80, and this sleeve extends around the sloping portion 78 of the exit zone of inlet tube 28, and this platform extends forward and essentially horizontally from sleeve 76.Platform 80 has crooked rear wall 82, this rear wall is connected to sleeve 76, and this rear wall has a radius of curvature, and this radius of curvature substantially radius of curvature with the outer wall 16 of the outer container 14 of separation equipment 12 is identical, to help the location of separation equipment 12 on support 74.Protuberance 84 extends upward from platform 80, is used for being positioned at the recess 86 on the base portion 18 that is formed at outer container 14.

Supporting member 74 is by bias voltage in the upward direction preferably, so that separation equipment 12 is towards outlet 30 bias voltages of vacuum cleaner 10.This helps to keep the hermetic seal between separation equipment 12 and the outlet 30.For example, flexible member 88---preferably helical spring---is positioned in the chamber at the place, rear portion that is formed on inlet tube 28, be used to engage supporting member 74, upwards actuate supporting member 74 along the direction that preferably is basically parallel to outer container 14 longitudinal axis when being installed on the supporting member 74 at separation equipment 12.

When separation equipment 12 was installed on the supporting member 74, the longitudinal axis of outer container 14 tilted with respect to axis P, in this example, and the angle of inclination from 30 ° to 40 ° of scopes.As a result, inlet tube 28 makes separation equipment 12 pivot with respect to frame 34, rolling assembly 20 and outlet 30 around axis P around the pivoting action of axis P in the clean operation process, or swing.

The sloping portion 78 of inlet tube 28 extend side by side with the outer wall 16 of the outer container 14 of separation equipment 12, and is basically parallel to the longitudinal axis of outer container 14 when separation equipment 12 is installed on the supporting member 74.Arm 58 preferably is connected to the rear portion of the sloping portion 78 of inlet tube 28.The exit zone of inlet tube 28 also comprises horizontal component 90, and this horizontal component is positioned at platform 80 belows, is used to receive from the air-flow of the band foul of flexible pipe 64 and with air-flow be sent to sloping portion 78.The exit zone of inlet tube 28 also comprises outlet 92, and the air-flow of band foul enters into separation equipment 12 from this outlet.

For on floor surface, handling vacuum cleaner 10, user's pulling is connected to the flexible pipe of connecting portion 66 and the flexible pipe of rod assembly, to pull vacuum cleaner 10 on floor surface, this makes wheel 24,26, wheel assembly 40 and the rolling element 70 of rolling assembly 20 rotate and moving vacuum cleaner 10 on floor surface again.Referring to Fig. 7 to 9, when vacuum cleaner 10 is mobile on floor surface, for example, for vacuum cleaner 10 is turned left to, the user spurs the flexible pipe of flexible pipe and rod assembly left, so that connecting portion 66 pivots left around axis Y with the bar 68 that is attached thereto.Bar 68 applies power on the pivoting action of axis Y makes crooked and the horizontal component 90 at the exit zone of inlet tube 28 of flexible pipe 64.This is made every effort to promote the arm 58 that makes sloping portion 78 and be attached to this sloping portion and pivots left around axis P.Specifically referring to Fig. 9, since the flexibility of flexible pipe 64, the amount that the amount that bar 68 pivots around axis Y pivots around axis P greater than inlet tube 28.For example, when bar 68 pivots 65 ° around axis Y, inlet tube 28 pivots about 25 ° around axis P.When arm 58 when axis P pivots, the pin 62 that is connected to TRAJECTORY CONTROL arm 44 is therewith motion in the groove 60 of arm 58, makes TRAJECTORY CONTROL arm 44 with respect to frame 34 motions.Specifically referring to Fig. 8 and 9, the motion of TRAJECTORY CONTROL arm 44 makes each steering arm 42 pivot around its corresponding hub axis H, so that wheel assembly 40 turns left, changes the direction that vacuum cleaner 10 moves thus on floor surface.Controlling organization is arranged so that preferably TRAJECTORY CONTROL arm 44 causes each wheel assembly 40 to turn over corresponding different amount with respect to frame 34 with respect to the motion of frame 34.

With reference to Fig. 6, Figure 12 to 14 and Figure 16 to 18 separation equipment 12 is described.The concrete overall shape of separation equipment 12 can change according to the size and the type of separation equipment 12 applied vacuum cleaners.For example, the overall length of separation equipment 12 can add deduct little with respect to the increasing diameter of equipment, or the shape of base portion 18 can change.

As mentioned above, separation equipment 12 comprises outer container 14, and this outer container has the outer wall 16 of substantially cylindrical.The lower end of outer container 14 is bent base portion 18 and closes, and this base portion is attached to outer wall 16 pivotly by pivot 94 and is maintained in its closed position by holding section 96, and this holding section engages the antelabium 98 that is positioned on the outer wall 16.In the closed position, base portion 18 sealings are against the lower end of outer wall 16.Holding section 96 elastically deformables, so that when downward pressure is applied to the topmost of holding section 96, holding section 96 is left and is disengaged with it from antelabium 98.In this case, base portion 18 will break away from from outer wall 16.

Specifically referring to Figure 14 (b), separation equipment also comprises second cylindrical wall 100.Second cylindrical wall 100 orientate as radially be positioned at outer wall 16 with and spaced apart with this outer wall so that between them, form annular compartment 102.Second cylindrical wall 100 contact with base portion 18 (when base portion 18 is in the closed position) and in the contact position by base portion 18 against sealing.Annular compartment 102 is roughly defined by outer wall 16, second cylindrical wall 100, base portion 18 and the upper wall 104 that is positioned at outer container 14 upper ends.

Dirty air intake 106 is arranged on upper end, the place, upper wall 104 belows of outer container 14, is used to receive the air-flow from the outlet 92 of inlet tube 28.Dirty air intake 106 is arranged as and outer container 14 tangent (as shown in Figure 6), advances so that guarantee that the dirty air that enters is impelled and follow a spiral path around annular compartment 102.The air-flow that dirty air intake 106 receives from pipeline 108, this pipeline for example is connected to the outer wall 16 of outer container 14 by welding.Pipeline 108 has inlet 110, and this inlet has the identical size of outlet 92 of basic and inlet tube 28, and this inlet is positioned at and exports above in the of 92 when separation equipment 12 is installed on the supporting member 74.

Fluid issuing is arranged in the outer container 14 with the form of shade.This shade has the top 112 of the frustoconical of forming, the following cylindrical wall 114 that hangs down from this top and skirt section 116.Skirt section 116 along towards the direction of outer wall 16 from cylindrical wall 114 outwards tapered (taper) down.Many perforation are formed in the top 112 of shade and in the cylindrical wall 114 of shade.The unique fluid issuing that comes from outer container 14 forms by the perforation in the shade.Passage 118 is formed between the shade and second cylindrical wall 100.Passage 118 is communicated with collection chamber (plenum chamber) 120.Collection chamber 120 radially is arranged in beyond the shade and is positioned at 112 tops, top of shade.

The 3rd wall 122 of substantial cylindrical is near the part of the outer wall that extends to collection chamber 120 base portion 18 and form the chamber 124 of substantially cylindrical.The lower end of cylindrical chamber 124 is closed by end wall 126.Cylindrical chamber 124 is shaped as and can holds the detachable filter assembly 128 with the pipe assembly 130 that overlaps, and this will describe in detail later.Filter assemblies 128 removably is received in the cylindrical chamber 124, so that do not have the relative rotation of filter assemblies 128 with respect to separation equipment 12 remainders in the use of vacuum cleaner 10.For example, separation equipment 12 can be provided with one or more grooves, and described groove receives the structure (formation) that is formed on the filter assemblies 128 when filter assemblies 128 is inserted in the separation equipment 12.

A plurality of cyclones that are set parallel to each other 132 are arranged circumferentially around collection chamber 120.Referring to Figure 14 (a) and 14 (b), each cyclone 132 has tangential inlet 134, and this inlet is communicated with collection chamber 120.Each cyclone 132 and other cyclones 132 are identical and comprise cylindrical upper section 136 and the tapering part 138 that hangs down from this cylindrical upper section.The tapering part 138 of each cyclone 132 be frustoconical and stop with tapered opening.Cyclone 132 extend into annular region 140 and with this regional connectivity, this zone be formed on second and three cylindrical shape wall 100,122 between.Vortex finder (vortex finder) 142 is arranged on the upper end of each cyclone 132, leaves cyclone 132 to allow air.Each vortex finder 142 is communicated with the collector finger that is positioned at cyclone 132 tops (manifold finger) 144.In this preferred embodiment, 12 cyclones 132 and 12 collector finger 144 are arranged.12 cyclones 132 are arranged to ring-type, are the center with the longitudinal axis X of outer container 14.Each cyclone 132 has axis C, and this axis C tilts downwards and towards axis X.Axis C all tilts with respect to axis X with identical angle.12 cyclones 132 can be considered to form the second cyclonic separation unit, and annular compartment 102 forms the first cyclonic separation unit.

In the second cyclonic separation unit, each cyclone 132 has the diameter littler than annular compartment 102, so compare with the first cyclonic separation unit, the second cyclonic separation unit can separate more tiny foul and dust.This second cyclonic separation unit also has additional benefits: can handle the air-flow that had been cleaned by the first cyclonic separation unit, so compare with other situations, the amount of entrained particles and average-size are all littler.The separative efficiency of the second cyclonic separation unit is higher than the first cyclonic separation unit.

Each collector finger 144 is inverted U-shaped substantially and is defined by the upper wall 146 and the lower wall 148 of the collector 150 of the second cyclonic separation unit.Collector finger 144 extends to the pipe assembly 130 that overlaps from the upper end of each cyclone 132.

Specifically referring to Figure 14 (c), the pipe assembly 130 that overlaps comprises lip ring 152 and the pipe 154 that overlaps.Removable filter device assembly 128 is positioned at the below of the pipe 154 that overlaps, in cylindrical chamber 124.In this preferred embodiment, seal 152 is rubber parts, and fixes around the outer surface of the pipe 154 that overlaps with frictional fit.The pipe 154 that overlaps comprises the upper and lower.Seal 152 is positioned on the top of the pipe 154 that overlaps.The top of overlapping pipe 154 comprises the part 156 of basic cup-shaped, and this part provides from the fluid issuing of separation equipment 12 and has the preferably outstanding outer surface of sphere curved surface.The bottom of overlapping pipe 154 comprises the shell 160 of antelabium 158 and substantially cylindrical, and this shell is configured as the size and dimension corresponding to cylindrical chamber 124.Antelabium 158 is configured as to have the diameter that is a bit larger tham cylinder blanket 160 and is positioned near the upper end of cylinder blanket 160.Inlet chamber 162 is formed between the upper and lower of the pipe 154 that overlaps.Inlet chamber 162 is defined by the lower surface of cup-like portion 156, the upper surface and the antelabium 158 of cylinder blanket 160.Referring to Figure 14 (b), the outlet of each collector finger 144 ends at inlet chamber 162 places of the pipe assembly 130 that overlaps.

The pipe 154 that overlaps comprises first group of pipeline and second group of pipeline, and air passes the pipe 154 that overlaps along first direction in this first group of pipeline, and air passes the pipe 154 that overlaps along the second direction that is different from first direction in this second group of pipeline.In this embodiment, eight pipelines are positioned in the cylinder blanket 160 of the pipe 154 that overlaps.These pipelines comprise first group of four filter inlet pipe 164 and second group of four filter outlet pipe 166.Filter inlet pipe 164 is arranged as ring form, this annular center be on the axis X and wherein filter inlet pipe 164 be evenly spaced apart.Filter outlet pipe 166 is arranged with spaced apart equably around axis X similarly, still is positioned between the filter inlet pipe 164, preferably departs from the angles of about 45 degree on angle from filter inlet pipe 164.

Each filter inlet pipe 164 has inlet opening and exit opening, and this inlet opening is positioned near and the neighboring entry chamber 162 of upper surface of cylinder blanket 160, and this exit opening is positioned near the bottom of cylinder blanket 160.Each filter inlet pipe 164 is included in the passage that extends between inlet opening and the exit opening thus.This passage has the cross section of level and smooth change, is used for reducing the noise and the turbulent flow of the air-flow that passes the pipe 154 that overlaps.

Each filter outlet pipe 166 comprises inlet opening 168 and exit opening 170, this inlet opening is arranged near the outer surface of the cylinder blanket 160 the cylindrical chamber 124, and this exit opening is used for by pipeline clean air being carried away from filter assemblies 128 and towards outlet 30.Each filter outlet pipe 166 is included in the passage that extends between inlet opening 168 and the exit opening 170 thus, and this passage passes cylinder blanket 160 from the outer surface of cylinder blanket 160 towards axis X.As a result, exit opening 170 is positioned as than inlet opening 168 more close axis X.Exit opening 170 preferred rounded shapes.

The cup-like portion 156 of overlapping pipe 154 comprises the cylindrical portion 172 that can grasp, and is used for allowing the user to pull out filter assemblies 128 from separation equipment 12, is used for cleaning.Can grasp cylindrical portion 172 be arranged as along axis X from cup-like portion on 156 the bottom upright so that it extends beyond the second cyclonic separation unit.The pipe 154 that overlaps also comprises a plurality of pleurapophysis sheets 173, and described tab is arranged as from the lower surface of cup-like portion 166 and hangs down and be used for upper support with the pipe 154 that overlaps in the bottom.

Referring to Figure 14 (b), and referring to Figure 15 and 16, filter assemblies 128 comprises top edge 174, base portion 176 and four cylindrical filter elements, and described filter element is positioned between edge 174 and the base portion 176.Filter assemblies 128 is columniform substantially, and comprises inner chamber 178, and this inner chamber is defined by the first interior filter element 180 of edge 174, base portion 176 and filter assemblies 128.Edge 174 is maintained in the ring-shaped groove, and this groove is arranged in the bottom of the pipe 154 that overlaps.

Filter assemblies 128 is constructed so that it is easy complications, flexibility and flexible.Edge 174 is having along the width W perpendicular to the axis X direction of annular.Edge 174 usefulness have the material manufacturing of such hardness and deformability, make the user to make edge 174 distortion (and making filter assemblies 128 distortion thus) by depressing with gripping 174 and reversing or squeeze filter assemblies 128 (particularly in cleaning operation) with hand.In this embodiment, edge 174 and base portion 176 usefulness polyurethanes (polyurethane) form.

Each filter element of filter assemblies 128 is fabricated to rectangle.Four filter elements subsequently by along they longest edge by sew up, gluing or other suitable technique and in conjunction with and be fixed together so that form the tubular length of the filtering material with basic open circles cylindricality, it has along the height H of axis X direction.The upper end of each cylindrical filter element is linked to edge 174 subsequently, and the lower end of each filter element is attached to base portion 176, and preferably the polyurethane material that links by over-molded in the manufacture process of filter assemblies 128 (overmoulding) edge 174 and base portion 176 realizes.The replacement manufacturing technology that is used for attached filter element comprises the gluing and centrifugal casting polyurethane in top and bottom of walking around the filter parts.By this way, filter element is sealed by polyurethane in manufacture process, to produce the reinforcement structure of manipulation and the operation (particularly in the cleaning process of filter assemblies 128) that can bear the user.

First filter element 180 comprises having weaving or the scrim or the net materials layer (a layer of scrim or web material) of grid lattice structure of opening.Second filter element 182 forms around first filter element 180 and with non-woven (non-woven) filter media, as hair (fleece).The shape of second filter element 182 and volume are selected as basic the filling by the width W at edge 174 and filter assemblies 128 along the space that height H defined that axis X is measured.Therefore, the width of second filter element 182 is basic identical with the width W at edge 174.

The 3rd filter element 184 centers on second filter element 182, and is included in the electrostatic filter media of covering protection fabric on the both sides.These layers are kept together with known manner by stitching or other encapsulating methods.The 4th filter element 186 surrounds the 3rd filter element 184, and comprises having weaving or the scrim or the net materials layer of network of opening.

In manufacture process, be linked to edge 174 and base portion 176 at the two ends of first filter element 180, and be close to second filter element 182.The two ends of the 3rd filter element 184 are linked to edge 174 and base portion 176, and are close to second filter element 182, and the two ends of the 4th filter element 186 are linked to edge 174 and base portion 176 and are close to the 3rd filter element 184.By this way, filter element 180,182,184,186 is held in place with respect to edge 174 and base portion 176 in filter assemblies 128, so that air-flow at first hits on first filter element, hit successively then on second, third and the 4th filter element.For the 3rd filter element 184; it is included in the electrostatic filter media that both sides all protected property fabric covers; preferably, all layers of the 3rd filter element 184 are attached to edge 174 and base portion 176, so that the risk of the 3rd filter element 184 layerings in use reduces.

With reference to Fig. 6,21 (a) and 21 (b) outlet 30 is described.Outlet 30 comprises the arm of basic bending, and this arm strides across separation equipment 12 and rolling assembly 20.Outlet 30 comprises the fluid intake of globe joint 188 forms and is used for from the elongated tubular 190 of globe joint 188 admission of airs that this joint 188 has convex external surface.Elongated tubular 190 provides passage 192, and being used in the future, the air of self-separation equipment 12 is sent to rolling assembly 20.Referring to Fig. 6, pivot axis P is passed outlet 30, preferably passes the globe joint 188 of outlet 30.

Globe joint 188 is normally hemispheric and removably can be positioned in the cup-like portion 156 of the pipe 154 that overlaps, and this cupule exposes by the open upper of collector 150.Ball-and-socket joint is formed between separation equipment 12 and the outlet 30 thus.Globe joint 188 comprises the flexible annular seal 194 around its extension, and the sealing part comprises and is used for the antelabium 196 that engages with the inner surface of the cup-like portion 156 of the pipe 154 that overlaps.This helps at globe joint 188 and overlaps to form effective and firm sealing between the pipe 154.Alternatively, the outer surface of globe joint 188 comprises the such structure division of protuberance, flange or rib such as outside guiding, and these structure divisions engage with the cup-like portion 156 of the pipe 154 that overlaps.In addition, in this preferred embodiment, the seal 152 of the pipe assembly 130 that overlaps is flexible and is shaped so that the upper part diameter of seal 152 is slightly less than the diameter of globe joint 188, so that proper, the flexible cooperation around the outer surface of globe joint 188 to be provided.Seal 152 also can be with any clearance seal between the globe joint 188 and the second cyclonic separation unit.

As previously mentioned, inlet tube 28 makes separation equipment 12 swing around axis P with respect to outlet 30 around the rotation of axis P in the clean operation process.As shown in Figure 6, the top edge of seal 196 and seal 152 is connected with the continuous fluid that being combined with of globe joint 188 helps between (movable) exit opening 170 of (fixing) the outlet passage 192 and the pipe 154 that overlaps.As a result, when vacuum cleaner 10 inswept floor surface between moving period, separation equipment 12 during, between separation equipment 12 and outlet 30, keep the hermetic seal formula to connect with respect to outlet 30 motions.

With reference to Figure 22 and 23 rolling assembly 20 is described.Rolling assembly 20 comprises the

wheel

24,26 of main body 22 and two bendings, and described wheel is attached to main body 22 rotationally, is used for the ground-engaging surface.In this embodiment, main body 22 and

wheel

24,26 limit the rolling assembly 20 of substantially spherical.The rotation of

wheel

24,26 is inclined upwardly towards main body 22 with respect to the floor surface at vacuum cleaner 10 places, so that the edge join floor surface of wheel 24,26.The angle of inclination of the rotation of

wheel

24,26 more preferably in 6 ° to 10 ° scopes, and is about 8 ° preferably in 5 ° to 15 ° scopes in this embodiment.Each wheel the 24, the 26th of rolling assembly 20, dome shape, and have the outer surface of substantially spherical curved surface, so that each

wheel

24,26 is hemispherical substantially.In this preferred embodiment, the diameter of the outer surface of each

wheel

24,26 is less than the diameter of rolling assembly 20, and preferably in 80% to 90% scope of the diameter of rolling assembly 20.

Rolling assembly 20 takes up fan unit 200, cable recoil assembly 202 and the filter assemblies 204 that motor drives, this cable is recoiled assembly and is used for a part that ends at the cable (not shown) of plug 203 being regained and being left in main body 22, and this cable especially provides electric power to the motor of fan unit 200.Fan unit 200 comprises motor and impeller, and this impeller is driven by motor, sucking and pass vacuum cleaner 10 with the air-flow of foul.Fan unit 200 is housed in the motor seat 206.Motor seat 206 is connected to main body 22, so that fan unit 200 can rotation when vacuum cleaner 10 is handled on floor surface.Filter assemblies 204 is positioned at the downstream of fan unit 200.Filter assemblies 204 be a cuff shape (cuff shaped) and a part that is positioned at motor seat 206 around.A plurality of perforation 207 are formed on motor seat 206 and are filtered in the part that device assembly 204 centers on.

Seal 208 is recoiled assembly 202 with cable and is isolated with motor seat 206.Seal 208 helps main body 22 is divided into the first area that comprises fan unit 200 and holds the second area that cable is recoiled assembly 202, fan unit 200 in use will produce heat, for cable recoil assembly 202 heats be harmful to and its need cooling in use.

Filter assemblies 204 can be cleared up to allow filter assemblies 204 periodically from rolling assembly 20 dismountings.Can be by the wheel 26 of dismounting rolling assembly 20 near filter assemblies 204.To be positioned at wheel installing sleeve 212 on wheel shaft 214 ends and be disengaged 26 dismountings of this wheel thereby for example can at first reverse the end cap 210 that is installed on the wheel 26 by the user, this wheel shaft 214 is connected to motor seat 206.Wheel installing sleeve 212 can be between wheel shaft 214 and wheel bearing structure 216.Wheel 26 is pulled out from wheel shaft 214 by the user subsequently, so that wheel installing sleeve 212, wheel bearing structure 216 and end cap 210 leave from wheel shaft 214 with wheel 26.Can be subsequently filter assemblies 204 be connected to the holding section 218 of motor seat 206 and filter assemblies 204 is pulled out and from rolling assembly 20 dismounting filter assemblies 204 from rolling assembly 20 by pressing.

The main body 22 of rolling assembly 20 also comprises fluid intake port 220, be used to receive from the annular compartment 222 of the air of ingress port 220 and the passage 224 that is defined by chamber 222.Chamber 222 is shaped so that the cross-sectional area that flows to the air-flow of fan unit 200 from ingress port 220 has level and smooth change.Chamber 222 helps the direction of passage 224 is changed about 90 degree.Be used for the smooth change of cross-sectional area of gas channel and the poor efficiency that smooth paths can reduce system, for example pass through the loss of motor seat 206.Grid can be positioned between ingress port 220 and the motor cavity 222; for example from the process of main body 22 dismountings, to protect fan unit 200 and motor seat 206 not to be subjected to the infringement of object at separation equipment 12; otherwise; for example described object may enter, stops up and/or stop motor cavity 222 from main body 22 dismounting separation equipments 12 time, and is as mentioned below.

Fan unit 200 comprises a series of blast pipes 230, and described blast pipe is around the location, neighboring of fan unit 200.In this preferred embodiment, four blast pipes 230 are arranged in around the fan unit 200 and connection between fan unit 200 and the motor seat 206 are provided.Filter assemblies 204 is positioned at around the motor seat 206, and bores a hole and 218 help being communicated with between motor seat 206 and the main body 22.Main body 22 also comprises air outlet ports, is used for clean air is discharged from vacuum cleaner 10.Exhaust port is formed near the rear portion of main body 22.In this preferred embodiment, exhaust port comprises a plurality of outlet openings 232, and described outlet opening is positioned in the bottom of main body 22, and described outlet opening is orientated the environmental perturbation that makes in vacuum cleaner 10 outsides existence minimum as.

First user's operable switch 234 is arranged on the main body and is arranged so that fan unit 200 energisings when it is pressed.Fan unit 200 also can cut off the power supply by pressing this first switch 234.Second user's operable switch 236 is arranged near first switch 234.Second switch 236 allows the user can activate cable and recoils assembly 202.The circuit 238 that is used for drive fan unit 200 and cable recoil assembly 202 also is housed in rolling assembly 20.

Main body 22 comprises air delivery valve 240, is used for allowing air-flow to be sent to fan unit 200 at for example rod and hose under the situation that takes place to stop up.This can prevent that fan unit 200 is overheated or otherwise be damaged.Air delivery valve 240 comprises the plunger shaft 242 that takes up piston 244.Hole 246 is formed on an end of plunger shaft 242, be used for plunger shaft 242 is exposed to external environment via outlet opening 232, and pipeline 248 is formed on the other end of plunger shaft 242, is used for plunger shaft 242 is communicated with passage 224 fluids.

Be positioned at spiral compression spring 250 in the plunger shaft 242 towards annular seating 252 actuation piston 244 that are inserted into by hole 246 in the plunger shaft 242.In the use of vacuum cleaner 10,, act on the biasing force F of antagonistic spring 250 on the piston 244 owing to act on the difference of the air pressure on piston 244 each side ₂Power F ₁Be lower than the biasing force F of spring 250 ₂So hole 246 keeps closing.Under the situation that takes place to block in pipeline 248 gas stream upstream paths, the air pressure difference that acts on piston 244 opposite sides significantly increases.The biasing force F of spring 250 ₂Be selected as feasible power F in this case ₁Become specific force F ₂Bigger, this makes piston 244 remove from seat 252, to open hole 246.This allows air to pass plunger shaft 242 and admission passage 224 from external environment.

In use, fan unit 200 is started by the user, and for example by pressing switch 234, and the suction opening that the air communication of band foul is crossed in the cleaning head is inhaled in the vacuum cleaner 10.The air of band foul passes flexible pipe and rod assembly, and enters into inlet tube 28.The air of band foul passes inlet tube 28 and enters the dirty air intake 106 of separation equipment 12.Because the cutting orientation structure of dirty air intake 106, air-flow is followed spiral path with respect to outer wall 16 and is advanced.Bigger foul and dust granule are by the whirlwind effect sedimentation in the annular compartment 102 and be collected in wherein.

The clean air-flow of part leaves annular compartment 102 and admission passage 118 via the perforation in the shade.Air-flow enter collection chamber 120 subsequently and from this collection chamber in inlet 134 one of entering in 12 cyclones 132, wherein, further cyclonic separation effect some fouls and the dust that will still be carried in the air-flow removed.Foul and ash fall are in annular region 140, and clean air leaves cyclone 132 and enters collector finger 144 via vortex finder 142.Air-flow enters four filter inlet pipes 164 of the overlap pipe 154 and the pipe 154 that overlaps subsequently via inlet chamber 162.From filter inlet pipe 164, air-flow enters the unlimited chamber 178 of central authorities of filter assemblies 124.

Air flow stream is crossed the chamber 178 that central authorities open wide, and is forced to tangentially and outwards advances towards the filter element of filter assemblies 124.Air-flow at first enters first filter element 180, and subsequently in succession by second filter element 182, the 3rd filter element 184 and the 4th filter element 186, foul and dust are removed from air-flow when each filter element of air-flow process.

The air-flow of discharging from filter element 128 enters cylindrical chamber 124 and is inhaled into the filter outlet pipe 166 of the pipe 154 that overlaps.Air-flow passes filter outlet pipe 166 and the cup-like portion 156 by the pipe 154 that overlaps four and discharges ports 190 and leave the pipe 154 that overlaps.Air-flow enters the globe joint 188 of outlet 30, along passage 192 through and the main body 22 that enters rolling assembly 20 by fluid intake port 220.

In rolling assembly 20, air-flow one after the other passes grid and passage 224 and enters chamber 222.Chamber 222 is directed to air-flow in the fan unit 200.Seal 208 prevents that air communication from crossing cable and recoiling assembly 202.Air-flow escapes and enter motor seat 206 from motor blast pipe 230.Air-flow subsequently tangentially direction 218 leave motor seat 206 and pass filter assemblies 204 via perforation.The curved surface that last air-flow is followed main body 22 arrives the outlet opening 232 in the main body 22, and clean air-flow is discharged from vacuum cleaner 10 from this outlet opening 232.

Outlet 30 can be pulled down from separation equipment 12, to allow separation equipment 12 from vacuum cleaner 10 dismountings.The end away from the globe joint 188 of outlet 30 of pipe 190 is pivotably connected to the main body 22 of rolling assembly 20, so that outlet 30 can as shown in Figure 2 dip and raised position shown in Figure 21 (a) between move, be communicated with separation equipment 12 fluids at this outlet 30 that dips, allow separation equipment 12 from vacuum cleaner 10 dismountings at this raised position outlet 30.

Refer again to Figure 21 (a) and 21 (b), and referring to Fig. 4, outlet 30 is positioned at spring 260 in the main body 22 towards the raised position bias voltage.Main body 22 also comprises holding section 262 and holding section release-push 264, and this holding section is used for the power of antagonistic spring 260 and outlet 30 remained on dipping.Outlet 30 comprises handle 266, dips when middle to allow being maintained at it at outlet 30, and vacuum cleaner 10 can be carried by the user.In this preferred embodiment, spring 260 is to be set to the torsion spring that engages with the part of handle 266.Holding section 262 is positioned on the main body 22, locatees near outlet 30 and along the G-G line of Fig. 4.

Holding section 262 is set to cooperate with the flange 268 of outlet 30.Flange 268 extends from the direction that downside hangs down and extend towards main body 22 on the edge of outlet 30.Flange 268 is positioned at groove 270 belows, and this groove 270 is configured as the engagement member that holds holding section 262.

Holding section 262 comprises crook 272 and bar 274.Bar 274 flatly extends between holding section release-push 264 and holding section 262.Crook 272 is arranged with the angle of 90 degree with respect to bar 274, and is connected near the end of bar 274 outlet 30.The size of crook 272 is set to can be accommodated in the groove 270 of flange 268.The crook of holding section 262 and bar assembly are pivotably mounted on the main body 22 and are arranged to the rotation around pivot axis Q, and this pivot axis Q is orthogonal to the pivot axis P of separation equipment 12 substantially.

Holding section release-push 264 comprises upper surface, and this upper surface can or be indicated other architectural features of its function with color, so that the user is highlighted this holding section release-push 264.Holding section release-push 264 also comprises pin 276 and guide channel 278.Pin 276 upper surfaces from holding section release-push 264 hang down, and are slidably mounted in the guide channel 278.Pin 276 can be from the top active position do not move to the below active position along guide channel 278.At active position, pin 276 extends beyond guide channel 278 and is arranged as the bar part 274 of bump holding section 262.

In use, filter assemblies 128 is arranged in the air flow path of vacuum cleaner 10, as mentioned above.By using, filter assemblies 128 obstructions that can become causes the filter efficiency reduction.In order to alleviate this problem, filter assemblies 128 needs periodically cleaning or changes.In this preferred embodiment, filter assemblies 128 and all filter elements can obtain cleaning by cleaning.Filter assemblies 128 can be approaching so that cleaning by the user when outlet 30 is in its raised position.The cylindrical portion 172 of filter assemblies 128 extends beyond collector 150, and is used to point out the position at user's filter assemblies 128 places, the dismounting of after-filter assembly 128 thus.The user is by grasping cylindrical portion 172 and outwards and upwards spur column 172 from the cylindrical chamber 124 of separation equipment 12, and from separation equipment 12 dismounting filter assemblies 128.By this way, the user does not need the obstruction filter element of direct processing filters assembly 128.This makes changes or clears up the work that filter assemblies 128 becomes a kind of health.By under family's tap, washing filter rinsed assembly 128 in a usual manner and making its drying.Filter assemblies 128 is re-inserted in the cylindrical chamber 124 of separation equipment 12 subsequently, and outlet 30 moves to its down position and can continue to use vacuum cleaner 10.

In order to make outlet 30 to move to its raised position from its down position, the user presses holding section release-push 264.The motion of holding section release-push 264 and sell 276 declines in guide channel 278 and make the bottom of pin 276 impinge upon on the bar 274 of holding section 262.Bar 274 is impelled away from the position of not activating and is impelled in the counterclockwise direction and rotate around pivot axis Q.The crook 272 that is connected to bar 274 is also impelled around pivot axis Q to rotate in the counterclockwise direction and move away and the engaging of the groove 270 of flange 268.The crook 272 of holding section 262 allows the biasing force actuation handle 266 of spring 260 away from the motion of flange 294, and actuates outlet 30 thus away from main body 22, and thus outlet 30 is swung away from its down position and towards its raised position.

When outlet 30 was in its raised position, separation equipment 12 can be used to empty and clear up from vacuum cleaner 10 dismountings.Separation equipment 12 comprises the handle 280 that is used to assist separation equipment 12 to remove from vacuum cleaner 10.Handle 280 is positioned on the separation equipment 12, is positioned at the below of outlet 30 when being in its down position with convenient outlet 30.As be described in more detail below, handle 280 can move between stowed position shown in Figure 17 and 19 and the expanded position shown in Figure 18 and 20 with respect to the outer container 14 of separation equipment 12, and handle is easy to be operated by the user in this expanded position.Handle 280 its pack up and expanded position between the limitation of the movement preferably 10 to the 30mm scope, and in the preferred embodiment preferably about 15mm.

Handle 280 comprises the head 282 that is attached to slender body 284, and this slender body is positioned in the recess 286 in the second cyclonic separation unit that is formed at separation equipment 12 slidably.Body 284 is positioned between two adjacent cyclones 132 of the second cyclonic separation unit, and tilts with respect to axis X with the axis C similar angle with cyclone 132.Body 284 comprises exterior section 284b and is connected to the interior section 284a of head 282.Head 280 is positioned at elastomeric element in the recess 286 towards its expanded position bias voltage.In this embodiment, this elastomeric element comprises first helical spring 288.The lower end of first helical spring 288 engages with the lower surface 290 of recess 286, and the upper end of first helical spring 288 engages with the lower end 292 of the interior section 284a of main body 284, so that the elastic energy that is stored in first helical spring 288 impels the lower surface 290 of main body 284 away from recess 286.

Handle 280 is actuated towards its stowed position by outlet 30.Referring to Figure 21, outlet 30 comprises flange 294, and this flange hangs down from outlet 30, is used to engage the head 282 of handle 280.Get back to Figure 17 to 20, head 282 comprises the groove 296 of the flange 294 that is used to receive outlet 30.When outlet 30 when its raised position shown in Figure 21 moves to down position shown in Figure 2, flange 294 is positioned in the groove 296 and the biasing force of resisting first helical spring 288 promotes handle 280 towards its stowed position.In case handle 280 has arrived its stowed position, outlet 30 impels separation equipment 12 against supporting member 74 towards any further athletic meeting of its down position, securely separation equipment 12 is remained on the frame 34.

In order to make that separation equipment subsequently can be from vacuum cleaner 10 dismountings so that empty, the user can press holding section release-push 264, so that outlet 30 is moved to its raised position.The flange 294 of outlet 30 allows the lower end 292 of body 284 that the biasing force of first helical spring 288 impels handle 280 away from the lower surface 290 of recess 286 away from the motion of separation equipment 12, and thus towards its expanded position push handle 280.As shown in figure 21, when outlet 30 is in its raised position, head 282 is enough to exceed separation equipment 12, so that the user can grasp the head 282 of handle 280 and the direction pull handle 280 that the edge makes progress substantially, so that pull out the base portion 18 of separation equipment 12 from the protuberance 84 of supporting member 74.The holding section that is positioned on the lower end 292 of main body 284 of handle 280 can engage with the shoulder on being positioned at cyclone group (cyclone pack), extracts out from recess 286 fully to prevent handle 280.

Handle 280 comprises can manually operated button 298, is used for start one mechanism, and this mechanism is applied to the topmost portion of holding section 96 with downward pressure, so that holding section 96 distortion and be disengaged with antelabium 98 on the outer wall 16 that is positioned at outer container 14.This makes base portion 18 leave from outer wall 16, is poured onto in dustbin or other containers with foul and the dust that allows to be collected in the separation equipment 12.Button 298 is positioned on the handle 280 so that button 298 when outlet 30 is in its down position, be positioned at outlet 30 below and towards the main body 22 of rolling assembly 20.

This actuation mechanism comprises that the bottom promotes member 300, and this member is the form of bar preferably, is slidably mounted on the outer wall 16 of outer container 14.The outer wall 16 of outer container 14 comprises a plurality of retaining members 302, be used for that the bottom is promoted member 300 and remain on outer container 14, and retaining member 302 with the bottom promote member 300 be restricted to towards or slide away from holding section 96.The bottom promotes member 300 and comprises near the upper end 304 and the lower end 306 that is used to engage holding section 96, the second cyclonic separation unit that is positioned at separation equipment 12.It is not biased in any direction that the bottom promotes member 300.

Actuation mechanism comprises that also top promotes member 308, and this member preferably also is the form of bar, is positioned at slidably in the interior section 284a and the recess 310 between the exterior section 284b of the body 284 of handle 280.Top promotes member 308 and comprises the following body 312 with lower end 314, is used for engaging with the upper end 304 of bottom promotion member 300.Lower end 314 is radially outward passed the hole in the outer wall that is formed on the second cyclonic separation unit and is given prominence to.Top promotes member 308 and also comprises upper body 316, and this upper body is connected to (preferably being incorporated into) following body 312 and comprises the housing 318 that extends around arm 320.Arm 320 can pivot with respect to following body 312, and towards the interior section 284a of the body 284 of handle 280 by inside bias voltage.

Can manually operated button 298 by second elastomeric element along the direction bias voltage that makes progress substantially.This elastomeric element is the form of second helical spring 322.The lower end of second helical spring 322 engages with the upper end 324 of the interior section 284a of body 284, and the lower surface engages of the upper end of second helical spring 322 and button 298, so that button 298 is upwards actuated, so that the upper surface of button 298 is basic and the upper surface flush of handle 280.Button 298 also comprises the part 328 of downward extension, and this extends partially in the recess 310 in the body 284 that is formed on handle 280.

Specifically referring to Figure 19, when handle 280 was in its retrieving position, the part 328 of the downward extension of button 298 promoted between the upper body 316 of member 308 on the interior section 284a and the top of body 284.This has prevented under button 298 is pressed when handle 280 is in its retrieving position the situation, and holding section 96 is promoted member 300 by the bottom and impels and leave antelabium 98.The part 328 of the downward extension of button 298 engages and actuates top and promotes the interior section 284a of the arm 320 of member 308 away from body 284.At handle 280 during towards the motion of its extended position, under the effect of second helical spring 322, button 298 is forced to handle 280 motions, and upwards slide with respect to top promotion member 308 in the downward extension 328 that causes button 298 and motion exceeds the upper end that top promotes the arm 320 of member 308.This allows arm 320 towards the interior section 284a of the body 284 of handle 280 motion.As shown in figure 20, when handle 280 was in its extended position, the downward extension 328 of button 298 was positioned at arm 320 tops.

In order to make foul and the dust collected to empty from separation equipment 12, the user is from vacuum cleaner 10 dismounting separation equipments 12.When gripping separation equipment 12 by handle 280, this moment, handle was in its extended position, and the user presses the button 298, and the biasing force of this button 298 opposings second helical spring 322 moves downward and abut the upper end that top promotes the arm 320 of member 308.The continuing of the biasing force of button 298 opposing second helical spring 322 moves downward the lower end 314 that top is promoted member 308 and pushes against the upper end 304 that the bottom promotes member 300.This lower end 306 that again bottom is promoted member 300 pushes against holding section 96.The downward pressure that is applied to holding section 96 thus makes holding section 96 motions away from the antelabium on the outer wall 16 of outer container 14, allows base portion 18 to fall from outer wall 16, so that the foul and the dust that are collected in the separation equipment 12 can be from wherein removing.

When the user from button 298 during release pressure, second helical spring 322 turns back to position shown in Figure 20 respectively with button 298.Do not have biased because the bottom promotes member 300 along any direction, the bottom promotes member 300 and top promotion member 308 can not turn back to the position shown in Figure 13 and 20, moving again the antelabium on the outer wall 16 of holding section 96 and outer container 14 is engaged up to base portion 18 to backswing, at this place, holding section 96 will promote bottom promotion member 300 and turn back to the position shown in Figure 13 and 20.

The present invention is not limited to the above detailed description that provides.It is tangible changing for those skilled in the art.

Claims

1. cartridge type cleaning appliance comprises the separation equipment that is used for foul is separated from the fluid stream of band foul, has fluid intake and is used to suck fluid flow and crosses the ground engagement rolling assembly of the device of this fluid intake, is used for the fluid from separation equipment spread and delivers to the pipe of rolling assembly and be used to realize the device around the motion that is pivoted relative to each other of the axis that passes this pipe between separation equipment and the rolling assembly.

2. cleaning appliance as claimed in claim 1, wherein, described pipe comprises the inlet that is used to receive from the fluid stream of separation equipment, and wherein, described axis passes the inlet of pipe.

3. cleaning appliance as claimed in claim 2, wherein, the inlet of described pipe comprises convex external surface, is used to engage the concave surface of the outlet of separation equipment.

4. cleaning appliance as claimed in claim 1, wherein, described pipe extends to rolling assembly from the upper surface of separation equipment.

5. cleaning appliance as claimed in claim 1, wherein, described Guan Nengcong separation equipment dismounting.

6. cleaning appliance as claimed in claim 5, wherein, described pipe can pivot with respect to rolling assembly.

7. cleaning appliance as claimed in claim 1, wherein, rolling assembly comprises main body, and wherein, described pipe extends to the upper surface of this main body from separation equipment.

8. cleaning appliance as claimed in claim 1, wherein, separation equipment has the outer wall that extends around the longitudinal axis of separation equipment, and wherein, this longitudinal axis with respect to the motion that is pivoted relative to each other of described realization around axis tilt.

9. cartridge type cleaning appliance, comprise be used for foul from the fluid flow point of band foul from separation equipment, have be used to suck fluid flow cross this separation equipment device the ground engagement rolling assembly and be used to realize the device of the motion that is pivoted relative to each other between separation equipment and the rolling assembly, the outer wall that this separation equipment has longitudinal axis and extends around this longitudinal axis, the longitudinal axis of separation equipment with respect to the motion that is pivoted relative to each other of described realization around axis tilt.

10. cleaning appliance as claimed in claim 8 or 9, wherein, the longitudinal axis of separation equipment with respect to the motion that is pivoted relative to each other of described realization around tilt angle in 20 to 50 ° of scopes of axis.

11. as each described cleaning appliance of claim 1 to 9, wherein, rolling assembly comprises a plurality of ground engagement rolling elements.

12. cleaning appliance as claimed in claim 11, wherein, the rotation of described rolling element with respect to the motion that is pivoted relative to each other of described realization around axis tilt.

13. cartridge type cleaning appliance, comprise and be used for separation equipment, the ground engagement rolling assembly that foul is separated from the fluid stream of band foul and be used to realize the device that is pivoted relative to each other between separation equipment and the rolling assembly around an axis, this rolling assembly comprise ccontaining be used to suck fluid flow cross separation equipment device main body and with respect to the rotatable a plurality of ground engagement rolling elements of this main body, the rotation of wherein said rolling element with respect to the motion that is pivoted relative to each other of described realization around axis tilt.

14. as claim 12 or 13 described cleaning appliances, wherein, the rotation of each rolling element with respect to the motion that is pivoted relative to each other of described realization around tilt angle in 70 to 85 ° of scopes of axis.

15. as each described cleaning appliance in claim 1 to 9 and the claim 13, wherein, described rolling assembly is spherical basically.

16. as each described cleaning appliance in claim 1 to 9 and the claim 13, wherein, separation equipment can pivot around the radian that is not more than 90 ° with respect to rolling assembly, and preferably is not more than 60 °.

17. as each described cleaning appliance in claim 1 to 9 and the claim 13, wherein, the device that is used to realize the being pivoted relative to each other motion between separation equipment and the rolling assembly comprises and is used for the fluid of band foul is spread the inlet tube of delivering to separation equipment.

18. cleaning appliance as claimed in claim 17, wherein, inlet tube can pivot with separation equipment.

19. cleaning appliance as claimed in claim 17, wherein, separation equipment is installed on the supporting member that is connected to inlet tube.

20. cleaning appliance as claimed in claim 17, wherein, inlet tube comprises the entrance zone, threshold zone of relative flexibility and is pivotably connected to the exit zone of the relative stiffness of rolling assembly.

21. cleaning appliance as claimed in claim 20, wherein, entrance zone, threshold zone comprises flexible hose.

22. cleaning appliance as claimed in claim 21 comprises the hose support that is used to support flexible hose, this hose support can pivot with respect to rolling assembly.

23. cleaning appliance as claimed in claim 22, wherein, hose support can pivot around an axis, being pivoted relative to each other of this axis and described realization move around axis spaced apart.

24. cleaning appliance as claimed in claim 22, wherein, hose support can pivot around an axis, this axis be arranged essentially parallel to described realization the motion that is pivoted relative to each other around axis.

25. cleaning appliance as claimed in claim 23, wherein, hose support can pivot more preferably no more than 142 ° radians with respect to rolling assembly around being not more than 180 °.

26. cleaning appliance as claimed in claim 22, wherein, hose support comprises the ground engagement rolling element.

27. cleaning appliance as claimed in claim 26, wherein, flexible pipe is restricted in the plane of the rotation that is arranged essentially parallel to rolling element and moves.

28. cleaning appliance as claimed in claim 21, wherein, flexible pipe is connected to the connecting portion that is used for inlet tube is connected to rod and hose.

29. as each described cleaning appliance in claim 1 to 9 and the claim 13, wherein, separation equipment comprises Cyclonic separating apparatus.