CN108366704A - Vacuum cleaner - Google Patents
Vacuum cleaner Download PDFInfo
- Publication number
- CN108366704A CN108366704A CN201580085057.9A CN201580085057A CN108366704A CN 108366704 A CN108366704 A CN 108366704A CN 201580085057 A CN201580085057 A CN 201580085057A CN 108366704 A CN108366704 A CN 108366704A
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- CN
- China
- Prior art keywords
- assembly
- motor sub
- lid component
- lid
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000428 dust Substances 0.000 claims abstract description 63
- 238000010276 construction Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000006098 acoustic absorber Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of vacuum cleaner (1) is provided, which includes：Motor sub-assembly (16), the motor sub-assembly are used to generate in air sucking dust arrester room (11) that air-flow will carry dust；Lid (17) for the motor sub-assembly；And shell (18),The shell is for the motor sub-assembly and the lid,The lid and shell provide wall construction,The wall construction includes multiple walls and defines the air flow passage (31) with multiple turning parts of the gas outlet on from the motor sub-assembly to the shell (27),Wherein the lid includes internal motor component The lid component (32) and external motors component The lid component (33),Each motor sub-assembly The lid component is across the end of the motor sub-assembly (16b) in the gas outlet (27) nearby and along the extension of the side of the motor sub-assembly,So that double wall (the 32b of the wall construction is formed between the motor sub-assembly and the gas outlet in the region that air leaves the motor sub-assembly,33b),And each motor sub-assembly The lid component has the edge (32c that other walls relative to the wall construction position,33c),So that air reaches the outlet around the edge flowing,An and turning part in these turning parts to form the air flow passage.
Description
Technical field
This specification is related to vacuum cleaner.Specifically, this specification be related to one kind in shell have motor sub-assembly and
The vacuum cleaner of motor sub-assembly lid, wherein motor sub-assembly lid and shell are provided flows to shell for air from motor sub-assembly
The flow channel of gas outlet.
Background technology
It is relatively popular in terms of dust of the vacuum cleaner on removing surface.Vacuum cleaner is commonly equipped with electronic horse
It reaches and fan component, the fan component will be in the air sucking dust arrester device that carry dust.Vacuum cleaner in the market
Problem is that they will produce interference noise in operation.Noise source in vacuum cleaner include such as electric motor assembly,
Air-flow itself and it is transmitted to electro-motor shell, dust arrester device case and vacuum cleaner shell from electric motor assembly
Vibration.
In many vacuum cleaners, motor sub-assembly is arranged in shell, and air flow to shell from motor sub-assembly
In gas outlet.In some vacuum cleaners, motor sub-assembly setting of the single wall formula motor cover in shell, and the material that absorbs sound
Material can be arranged in the air duct around motor sub-assembly and lid, to attempt to absorb acoustic energy from motor sub-assembly and make air
VELOCITY DIFFUSION flows caused noise to reduce.Air-flow from motor sub-assembly to outlet is often difficult to control, and in shell
Air-flow still there may be noises caused by apparent flowing.In addition, a large amount of acoustic energy from motor sub-assembly may be still transferred to
The outside of shell.
Invention content
According to an aspect of the present invention, a kind of vacuum cleaner is provided, which includes：
Motor sub-assembly, the motor sub-assembly include motor and fan, and the air that dust will be carried for generating air-flow is inhaled
Enter in dust arrester room；Lid for motor sub-assembly；And the shell around motor sub-assembly and lid, the lid and shell provide wall knot
Structure, the wall construction include multiple walls and define from motor sub-assembly to shell in gas outlet the sky with multiple turning parts
Flow of air channel, the wherein lid include internal motor component The lid component and external motors component The lid component, each motor sub-assembly lid
The end of component spaning electrode component extends near gas outlet and along the side of motor sub-assembly, to leave groups of motors in air
The double wall of wall construction is formed in the region of part between motor sub-assembly and gas outlet, and each motor sub-assembly The lid component has
The edge that other walls relative to wall construction position, to allow air to reach outlet around edge flowing, to form sky
A turning part in multiple turning parts in flow of air channel.
By providing double wall in the region that air leaves motor sub-assembly, the sound from motor to gas outlet is significantly reduced
It can transmission.
The double wall forms air cavity between motor sub-assembly and gas outlet.In addition, the flow channel provided by wall construction
Multiple turning parts increase the length of the air duct from motor sub-assembly to outlet, this allows to increase the suction to acoustic energy in the channel
It receives.
Internal The lid component is at least partially situated in external The lid component to form double wall.Each edge of The lid component can
Be located so that air must along The lid component wall section, surround the edge flowing, and in the other side of the wall section
Upper return.
The lid can also include intermediate The lid component, which includes having internally positioned The lid component and outer cover structure
The wall at the edge between part, the wall form the midfeather of wall construction.
Flow channel has the multiple flow ducts for being connected to crooked pipeline, to provide turning part in flow channel.
The edge of internal wall member, intermediate wall member and external wall member can be arranged in a staggered fashion so that air flow passage packet
It includes the flow duct in the space between internal The lid component and intermediate The lid component, the turning around the edge of intermediate member is provided
Flowing in the bent intermediate pipeline of a turning part in portion, and space between intermediate The lid component and external The lid component
Pipeline.
Flow channel can have flow duct between internal The lid component and motor sub-assembly.Flow channel can also be outside
There is flow duct between portion's The lid component and the wall of shell.
Intermediate The lid component may include the substantial cylindrical wall around motor sub-assembly.
Each of internal The lid component and external The lid component can curve inwardly.They may, for example, be bowl-type.It can
Alternatively, they can have U-shaped or rectangular cross section.Internal The lid component and external The lid component may include side wall section, this
A little side wall sections form substantial cylindrical and concentric wall together with intermediate The lid component around motor sub-assembly.
Internal The lid component, external The lid component and intermediate The lid component and shell can be arranged with respect to one another to form tool
There is flow channel constant or close to constant cross section.By keeping the cross section of flow channel consistent always, effect can be improved
Rate and reduce noise.
Multiple turning parts may include the turning part of multiple 180 degrees or substantially 180 degree.Flow channel may include at least
The turning part of three 180 degrees.Flow channel can also include additional turning part.
Flow channel can be symmetrical on the opposite side of motor sub-assembly.Motor sub-assembly may include being revolved in operation around axis
The rotating part turned, and the outlet in shell can be located on the axis.Air flow passage from motor sub-assembly to outlet
It is in symmetrical around the axis that can be or substantially 360 degree symmetrical.
At least one of described edge can have undulations, the undulations to have multiple peak and valleys to increase
The length at edge, such as sinusoidal shape.Undulations can provide to increase the table in the place that air is turned
Area, to reduce the local velocity of the air on edge.At least one of described edge can be corrugated.At some
In realization method, the edge around each of the turning part of internal The lid component, external The lid component and intermediate The lid component is wave
Shape wave edge.
The flow channel from motor sub-assembly to gas outlet can include partially or completely acoustic absorber.The acoustic absorption
Body can be gas permeability composite fibre materials.The material can also be such that the velocity field of air-flow spreads, to reduce turbulent flow.
Therefore, the embodiment of vacuum cleaner provides noise reduction for the air-flow in motor sub-assembly downstream.According to some embodiments,
A kind of flow channel is provided, which can absorb acoustic energy and at the same time making making an uproar for the flowing generation in motor sub-assembly downstream
Sound minimizes.
According to another aspect of the present invention, a kind of vacuum cleaner is provided, which includes：Motor sub-assembly,
The motor sub-assembly is used to generate in the air sucking dust room that air-flow will carry dust；Lid for motor sub-assembly；And shell
Body, the shell are used for motor sub-assembly and lid, and the lid and shell provide wall construction, which defines from motor sub-assembly to shell
The air flow passage of gas outlet in body, which has at least one turning part, wherein when air is in the wall
Direction can be changed when being flowed on the edge of the wall of structure, which is corrugated, has multiple peak and valleys to increase at this
The length at the edge at turning part.
Description of the drawings
Each embodiment is described by way of example with reference to the drawings, in the accompanying drawings：
Fig. 1 is shown in which the vacuum cleaner using noise reduction flow generator device；
Fig. 2 is the exploded view of the component of the main body of vacuum cleaner；
Fig. 3 is the schematic diagram of the component of the flow generator device of vacuum cleaner；
Fig. 4 is the schematic diagram of the component of the flow generator device in another realization method；
Fig. 5 a are the sectional views along plane shown in Fig. 5 b of the component of flow generator device；And
Fig. 6 a and Fig. 6 b are on the part and component for some components for illustrating in greater detail flow generator device
The schematic diagram of airflow direction.
Specific implementation mode
Fig. 1 shows vacuum cleaner 1, which includes vacuum cleaner main body 2, hose 3, pipe 4 and suction nozzle
5.The air for carrying dust granule is inhaled into vacuum cleaner 1 by suction nozzle 5, pipe 4 and hose 3 and is collected in main body.
Hose 3, pipe 4 and suction nozzle 5 can be removably attached in main body 2.Main body includes the shell 6 for the internal part for encapsulating main body.
Shell includes port 7, and the port is for being connected on hose 3 and air being allowed to be inhaled into main body 2.Shell 6 further includes using
In the outlet diffusor 8 for allowing purification air to be discharged from vacuum cleaner 1.
With reference to figure 1 and Fig. 2, main body 2 includes dust arrester device 11 and flow generator dress in vacuum cleaner shell 6
Set 12.Flow generator device 12 generates vacuum, then generates suction.Suction allow vacuum cleaner 1 by suction nozzle 5, pipe 4,
Hose 3 and ingress port 7 suck extraneous air and dust from clean surface.Dust then divides in dust arrester device 11 with air
From then air flows through flow generator device 12 and externally discharged by outlet diffusor 8.
Dust arrester device 11 can collect dust by the combination filtered, detached or both.Dust arrester device has shape
At the shell 13 of dust room 14.For filtering air and thus when dust arrester device is by filtering to collect dust, such as will
Dust, which collects the dust bag (not shown) in bag, to be located in dust room 14.Alternatively, dust arrester device may include
The cyclone arrangement that dust granule is detached with air.Shell 13 can have be pivotably connected to shell rest part or
Therefrom removable section so that when dust arrester device is arranged to including dust bag in such as room 14, dust room 14 can
To be opened and can be inserted or take out dust bag.
Flow generator device 12 includes electric motor assembly 16, the lid 17 for motor sub-assembly, and encapsulation groups of motors
The motor shell 18 of part and lid.Electric motor assembly 16 is located in motor cover 17, is then located in shell 18.Electro-motor
Component includes the fan 19 being located in shell 21 and motor 20.Lid 17 and shell 18 form wall construction, which is from electricity
The air of dynamic motor sub-assembly limits flow channel.
In order to allow air to pass through vacuum cleaner and collect dust, dust arrester device 11 includes：Air inlet 24, should be into
Gas port cooperates with the ingress port 7 of vacuum cleaner；And gas outlet 25 purifies air and leaves dust arrester dress by the gas outlet
Set 11.Flow generator device 12 includes：Air inlet 26, the air inlet is for receiving the air from dust arrester device 11；With
And gas outlet 27, the gas outlet cooperate with outlet diffusor 8.The air inlet 24,26 of dust arrester device 11 and gas outlet 25,27 and
Flow generator device 12 can be formed as the opening on the wall of dust arrester device case 13 and flow generator device case 18.
The air inlet 26 of flow generator device 12 is positioned adjacent to the gas outlet 25 of dust arrester device 11, and sealing element (does not show
Go out) it can be arranged between gas outlet 25 and air inlet 26, to ensure that all air for leaving dust arrester device 11 all enter gas
Flow-generator device 12.In some implementations, dust arrester device case 13 and flow generator device case 18 are provided
In the two or the single wall of a part of one can be arranged between dust room 14 and electric motor assembly 16.Air-flow occurs
The air inlet 26 of device device 12 will then form a part for opening identical with the gas outlet 25 of dust arrester device 11 in wall.
In this case, sealing element (not shown) can be arranged between air inlet 26 and fan 19, all into air inlet to ensure
The air of mouth 26 all enters fan 19.
When electric motor assembly 16 operates, fan and motor will produce suction.Air enters vacuum cleaning by port 7
The main body of device, flows through dust arrester device 11 at the air inlet 24 in dust arrester device 11, and by dust deposit in dust room
In 14 then dust arrester device 11 is left at outlet 25.Air enters flow generator device 12, by horse at air inlet 26
The gas outlet 27 of flow generator device is gone to and be directed to up to 16 inspiration of component, and then passes through outlet 27 and outlet diffusor 8
It leaves.
Dust arrester device 11 can cross air filtering gas outlet 25 includes filter (not shown).When dust room is wrapped
When including dust bag, in the case where dust bag ruptures, filter is also used as ' the accident filtering for protecting motor sub-assembly 16
Device '.Flow generator device 12 can also include filter at outlet 27, will be more fully described with reference to figure 3.In addition, true
Vacuum cleaner can include other filter at outlet diffusor 8.
Although fig 1 illustrate that canister type vacuum cleaner, but the present disclosure is not limited to canister type vacuum cleaners.Vacuum cleaner can
To be alternatively upright vacuum cleaner, battery hand-held vacuum cleaner, battery stick type vacuum cleaner, automatic vacuum
The vacuum cleaner of dust catcher, robot cleaner or any other suitable type.Suction nozzle 5,4 and of pipe of any suitable type
Hose 3 may be used to vacuum cleaner.Suction nozzle, pipe and hose for vacuum cleaner are well-known, and herein
It will not be described in detail further.
Flow generator device 12 will be described in further detail now.As shown in figure 3, motor shell surrounds electric motor assembly
16 define volume V.Motor sub-assembly lid is located around in the volume V of electric motor assembly.Fig. 3, which is shown, to be left in volume V
The path of the air of motor sub-assembly 16.Referring to figs. 2 and 3, be used for air from motor sub-assembly to gas outlet 27 flow channel 31
It is limited by motor sub-assembly lid 17 and shell 18.Motor sub-assembly lid 17 includes internal The lid component 32 and external The lid component 33.Groups of motors
Part further includes the intermediate The lid component 34 being positioned partially between internal The lid component 32 and external The lid component 33.Internal The lid component 32,
Intermediate The lid component 34, external The lid component 33 and shell 18 form the wall construction for limiting flow channel 31.Arrow in Fig. 3 is shown
The direction of air-flow in flow channel 31.Have it can clearly be seen from figure 3 that flow channel changes nyctitropic position in air-flow
There are multiple turning parts.
As further shown in Figure 3 and as described above, filter 35 is located at outlet 27 to be used to provide another grade of mistake
Filter.The filter may, for example, be microfilter or high efficiency particle capture (HEPA) filter, but it is to be understood that it can be with
It is the suitable filter of any types.Flow generator device further includes outstanding between internal The lid component 32 and motor sub-assembly 16
Hang element 36.Flow generator device can also include the attachment element for motor sub-assembly lid 17 to be held in place
(not shown).
With reference to figure 3, motor sub-assembly 16 has front end 16a and rear end 16b.Front end 16a object gas flows where fan occur
The air inlet 26 of device device 12.Rear end 16b is close to the gas outlet of flow generator device 27.Gas outlet 27 is located at and air inlet 26
The end of opposite volume V.Motor sub-assembly 16 includes the rotating part rotated around axis X.Motor sub-assembly is generally surround this
Axisymmetrical, and front end 16a and rear end 16b are located on the axis.Air inlet 26, gas outlet 27 and filter 35 also position
In axis X.When being operated by motor, fan draws air into electric assembly 16, and subsequent air is by motor sub-assembly shell
21 are directed across motor sub-assembly and leave electric motor assembly by the outlet 16c on shell.When air leaves electro-motor
When component, which is guided through flow channel 31 and reaches the gas outlet 27 of flow generator device 12.Motor shell has
There is the first wall section 18a for being roughly parallel to the extension of motor sub-assembly axis X.The shell, which can also have, is approximately perpendicular to axis X
The the second wall section 18b extended.Air inlet 26 can be formed in the second wall section 18b.In some implementations, the second wall
Section 18b is the single plate between dust room and motor sub-assembly.Therefore, the second wall section 18b can form dust arrester device 11
Shell 13 a part.Alternatively, it can be replaced with multiple components between motor sub-assembly and dust arrester device, or
Person it can be the edge to form motor shell 18 narrow inner peripheral portion, for by motor shell 18 be installed to dust arrester dress
Set 11 shell 13.Also there is motor shell 18 third wall section 18c, the third wall section to continue simultaneously from the first wall section 18a
And it is shaped as and makes the taper in width of shell to form gas outlet 27.Filter 35 in gas outlet 27 and gas outlet is generally
It is orthogonal to axis X extension.
It will be described in The lid component 32,33 and 34 now and the wall construction of flow channel be provided.Referring to figs. 2 and 3, interior
Portion's The lid component 32 is located in external The lid component 33.The rear end of internal The lid component 32 and each comfortable motor sub-assembly of external The lid component 33
Side upper and along motor sub-assembly 16b extends.Therefore, in the region that air leaves motor sub-assembly 16, internal The lid component 32
And external The lid component 33 forms double wall between motor sub-assembly 16 and gas outlet 27.Intermediate The lid component 34 is along motor sub-assembly 16
Side extend and midfeather is formed in wall construction.
Internal The lid component 32 has the first wall section 32a of the side along and about motor sub-assembly, first wall section
It is connected to the second wall section 32b at the rear portion along motor sub-assembly.The first wall section 32a is terminated to be extended around motor sub-assembly
Edge 32c.Connected as shown in figure 3, the first wall section 32a and the second wall section 32b can connect wall section 32d by third
It connects.External The lid component 33 also has the first wall section 33a of the side along and about motor sub-assembly, first wall section connection
The second wall section 33b at the rear portion of motor sub-assembly.First wall section of external The lid component is also terminated in around motor sub-assembly
The edge 33c of extension.As shown in figure 3, the first wall section 33a and the second wall section 33b of external The lid component can pass through third
Connection wall section 33d is attached.Second wall section 32b, 33b and third jointing 32d, 33d can be in internal The lid components
Bridge section is formed between the opposite side of the first wall section 32a, 33a in external The lid component.Inner cover structure is surrounded in air-flow
The place of edge 32c, 33c bending of part and external The lid component, forms two turning parts of flow channel 31.
Intermediate member 34 includes the wall for having at least one section 34a, side of the section along and about motor sub-assembly
Extend and is positioned partially between internal first wall section and external first wall section.As shown in figure 3, intermediate member has position
The second end 34c in the edge of first end 34b and formation wall section 34a on the direction of dust arrester device 11.First
End 34b can be positioned so that between close or adjacent housing wall 18b or motor sub-assembly 16 and the shell 13 of dust arrester device 11
Component.The edge of wall section 34a extends around motor sub-assembly.The side of internal The lid component, intermediate The lid component and external The lid component
Edge can be arranged in a staggered fashion so that the edge of midfeather 34c is located at the first wall area of inner cover component and external The lid component
Between section 32a, 33a.In the place that air is bent around the edge 34c of intermediate member, another in flow channel is formed
Turning part.
By the first wall area of the first wall section 32a of inside and outside the first wall section 33a, intermediate member wall 34a and shell
The wall construction that section 18a is provided forms the folding mobile channel 31 for the air from motor sub-assembly.Internal second wall section
32b and the second wall section 33b of outside form double wall at the rear portion of motor sub-assembly, and the rear portion of motor sub-assembly 16 with go out
Air cavity is provided between gas port 27.
In more detail, the first wall section 32a of inside and outside the first wall section 33a, intermediate member wall section 34a and shell
First wall section 18a of body extends along motor sub-assembly on the axial direction of motor sub-assembly.Wall section 32a, 33a, 34a, 18a
Can be parallel or substantially parallel.It will be such as more fully described with reference to figure 5, first wall section 32a, 33a, 34 and of intermediate member
Shell wall section 18a can form the cylindrical wall with increased radius.The second wall section 32b of inside and external second wall section
33b is usually orthogonal with the first wall section 32a of inside and the first wall section 33a of outside.As shown in Figures 2 and 3, internal The lid component 32
It can be curved inwardly with each of external The lid component 33 to form concave shape.First wall section 32a, 33a can be
It is straight or substantially straight.Second wall section can be straight or curved.Wall section 32d, 33d is connected in the first wall section and the
Bending connection is provided between two wall sections.As shown in Figures 2 and 3, internal The lid component and external The lid component are bowl-types.It is alternative
Ground, internal The lid component and external The lid component can have rectangle or U-shaped cross-section.If internal The lid component and external The lid component have
Have rectangular cross section, then the first wall and the second wall can be connected directly to one another, and can need not connect wall section 32d,
33d.Internal The lid component 32 can be concentrically arranged in external The lid component 33.
Motor sub-assembly lid 17 may be mounted in motor shell 18, and motor sub-assembly lid 17 and motor shell 18 then may be used
To be attached on the shell 13 of dust arrester device 11.In more detail, internal The lid component 32, intermediate The lid component 34 and outer cover structure
Part 33 is installed together and is subsequently fastened in shell 18.Internal The lid component 32 and intermediate The lid component 34 can be used in inside
Multiple ribs in the channel formed between The lid component and the wall of intermediate The lid component and be injection molded into integral type.Alternatively, interior
Portion's The lid component can be attached to intermediate The lid component 34 using attachment element (not shown).For example, internal The lid component can have card
The attachment element being anchored among or on the correspondence attachment element of intermediate The lid component.Rib and other attachment elements can be arranged at it
To the limited position of airflow influence.
Outer cover 33 can be installed to internal The lid component 32, wherein other attachment element (not shown) is also disposed at them
To the limited position of airflow influence.For example, external The lid component 33 can be installed to internal The lid component 32 using multiple screws.It can replace
Attachment element on Dai Di, the second wall section 33b of external The lid component can buckle on the second wall section 32b of internal The lid component
Attachment element among or on.As specific example, external The lid component 33 can be by internal The lid component and external The lid component
The second wall section 32b, 33b between single screw and on the direction of external The lid component from the second wall area of internal The lid component
The rib attachment that section 32b stretches out, the rib can support external The lid component and ensure the external The lid component relative to inner cover
Component disposes in a symmetrical.
Motor cover 17 can be by screw (for example, four radial screws) near the second wall section 18b of motor shell
Or internal attachment is to motor shell 18.Alternatively, motor cover 17 can be attached to motor shell 18 using for example following item
The interior section of first wall section 18a：Multiple guiding pieces on the interior section of first wall section 18a of motor shell and in
Between The lid component wall section 34a exterior section on correspondence protrusion, these protrusions slide into guiding piece in and thus by motor
Lid is fixed in the housing.Guiding piece can be disposed close to the wall for separating motor sub-assembly and dust room 14, to minimize convection current
The interference of air-flow in dynamic channel 31.Motor sub-assembly 16 is placed in motor sub-assembly lid 17 and is maintained at suitable by hanging element 36
Work as position.Motor shell 18 then for example can be connected to dust arrester device case 13 using screw.
In order to make air leave flow generator device 12, air will be needed across the wall knot formed by The lid component and shell
Structure.The lid component 32,33,34 is made of solid material, without the hole for allowing air to pass through wall.Therefore, in order to make air arrive
Up to outlet 27, air will need surrounding wall to flow.When edge 32c, 33c, 34c flowing of air surrounding wall, air is forced to change
It changes direction.The direction of flow channel is varied multiple times, and is varied multiple times so as to cause the direction of exhaust airstream.Air will need to flow through interior
Portion's The lid component, intermediate The lid component and external The lid component edge 32c, 33c, 34c and be bent.
Space between motor sub-assembly 16 and the first The lid component 32 forms the first flowing for being connected to the first crooked pipeline 31b
Pipeline 31a, herein air-flow flow through the edge 32c of the first The lid component.Sky between first The lid component 32 and intermediate The lid component 34
Between form the second flow duct 31c.In the substantially parallel wall area of the first wall section 32a and intermediate The lid component of the first The lid component
The place of section 34a overlappings, forms flow duct.By positioning and 16 the first The lid component of immediate bowl-type of motor sub-assembly, in horse
Force air substantially when air leaves motor sub-assembly up to the first pipe part 31a formed between component and the first The lid component
Motor sub-assembly is flowed upwardly through transverse to the side of air-flow.Air from motor sub-assembly can be turned to when it leaves gas outlet 16c
To enter the first flow duct 31a.Air then along the first wall section 32a of internal The lid component, in internal The lid component
It flows on edge 32c, and is returned along the other side of internal The lid component.
When air is around edge flowing and is returned along the other side of intermediate The lid component 34, the second crooked pipeline 31d
It is formed by the edge 34c of intermediate covering member.Volume between intermediate The lid component and external The lid component 33 forms third flow duct
Road 31e.In the place Chong Die with external The lid component 33 of intermediate The lid component 34, flow duct is formed in the volume.Around outer cover
The edge 33c of component forms third crooked pipeline 31f.Crooked pipeline is connected to the 4th flow duct 31g, the 4th flow duct
It is formed in the space between the second The lid component 33 and the first wall section 18a of shell.4th flow duct goes successively to the 5th
Flow duct 31h, the 5th flow duct are formed in the space between the second The lid component of shell and third wall section 18c.
As shown in figure 3, air from motor along the first flow duct 31a, the first crooked pipeline 31b, the second flow duct
31c, the second crooked pipeline 31d, third flow duct 31e, third crooked pipeline 31f, the streams of the 4th flow duct 31g and the 5th
Dynamic pipeline 31h flows to housing outlets 27.Flow duct and crooked pipeline can all surround motor sub-assembly 16 and extend.First flowing
Pipeline 31a, the second flow duct 31c, third flow duct 31e and the 4th flow duct 31g have alternate flow direction.The
One crooked pipeline 31b, the second crooked pipeline 31d and third crooked pipeline 31f force air to be turned through 180 degree or about 180
Degree turning.Air-flow is reversed so that air is turned along the side flowing of wall, the edge of surrounding wall and flowed back on another side.
5th flow duct 31h also provides smaller bending in flow path.As shown in figure 3, outlet 27 can have than in shell
The first wall section 18a at the smaller width of width of shell that measures, and the 5th flow duct 31h can be bent with will be empty
Gas is directed to relatively narrow gas outlet 27.Flow channel can also include additional turning part.It should be appreciated that can be arranged additional
The lid component turns through 180 degree so that the length and increase that further increase flow channel are additional.
By having double wall around the region that air leaves motor sub-assembly, external sound is transmitted to from motor and fan
It can significantly reduce.Double wall the side of outlet 27 be upwardly formed air cavity and with motor case 21, intermediate The lid component 34 and
Shell 18 cooperates, to form the folding flow channel for leaving flow generator device for air.Air cavity limitation is reached by covering
The acoustic energy transmissions of shell and gas outlet.In addition, including the foldable air flow channel of multiple turning parts, air stream by offer
The length in dynamic channel increases, the result is that acoustic energy that can be other in shell body absorption.In addition, internal The lid component, external The lid component
It is efficiently used in the spaces Lai little of the space with the specific arrangement of intermediate The lid component and multiple turning parts is provided.For example, inner cover
Component is oriented to cooperate in order to provide the initial part of flow channel with motor sub-assembly shell.Internal The lid component is relative to motor
The arrangement of component forces air itself back to be advanced along motor sub-assembly shell and on the edge of internal The lid component, is thus flowing
Another turning part is provided in dynamic channel, while also providing wall on the direction of outlet 27.
Fig. 4 shows that another embodiment of the flow generator device 12 of Fig. 2, wherein sound-absorbing material 37 are disposed around
In the volume V of motor sub-assembly 16.The position of sound-absorbing material is in Fig. 4 with dark shadow representation.The realization of other component and Fig. 3
Mode is consistent.In the realization method of Fig. 4, absorbing material is set throughout the major part of volume V.In other realization methods
In, sound-absorbing material can be arranged in whole volume V or in the smaller portions of the volume.It can be arranged logical in entire flowing
In road 31 or in a part for flow channel.For example, it can be arranged in the first flow duct 31a, the second flow duct
In 31c, third flow duct 31e, the 4th flow duct 31g and the 5th flow duct 31h.Sound-absorbing material 37 may, for example, be out
Hole foam or Fiber Composite Material, but it is to be understood that any suitable gas permeability sound-absorbing material can be used.As specific reality
Example, it can include polyethylene terephthalate (PET) fiber.Air flowing is increased by using The lid component 32,33 and 34
The length in channel 31, as by reference to described by Fig. 2 and 3, can in entire longer channel setting absorbing material and can
To absorb more acoustic energy.Folding channel 31 is used as sound wave labyrinth and increases sound wave being reflected into absorbing material.The material
It can also contribute to making the velocity field of the air-flow to spread, to for example reduce turbulent flow.This will reduce the noise of flowing generation in turn.
The lid component and shell could be formed such that flow path on the side of motor sub-assembly 16 and motor sub-assembly
Opposite side is symmetrical.As shown in Figures 2 to 5, The lid component 32,33 and 34 and shell 18 are so shaped that from the motor in shell
It is symmetrical or symmetrical close to 360 degree that the flow channel of component to outlet 27 surrounds motor sub-assembly.In other words, flow path is around figure
3 and motor sub-assembly shown in Fig. 4 the degree of axis X substantially 360 it is symmetrical.This is for realizing that air evenly flows and reduce turbulent flow
It is beneficial.By reducing turbulent flow, it is possible to reduce loss and noise.
Internal The lid component, external The lid component and intermediate The lid component and shell can be shaped and be arranged relative to each other, with
Just being formed between the walls has constant or close to constant cross-section air duct.As shown in Figure 5 a, the cross of these air ducts
Section A 1, A2, A3 and A4 correspond to the first flow duct 31a described with reference to FIG. 3, the second flow duct 31c, third flowing
Pipeline 31e and the 4th flow duct 31g.View in Fig. 5 a be along the cross section of plane P shown in Fig. 5 b, it illustrates
Another example of flow generator device.Plane P is orthogonal with motor sub-assembly axis X.As shown in Figure 5 a, internal The lid component, in
Between The lid component and substantially parallel wall section 32a, 33a, 34a, 18a of external The lid component and shell can be by concentric cylindrical
Wall section provides.As shown in Figure 5 a, the shell 21 of motor sub-assembly 16 can have the section being located on the cylinder that radius is R1.
The radius R2 of first wall section 32a of internal The lid component is more than radius R1, but is less than the radius of intermediate member wall section 34a
R3, the radius R3 of intermediate member wall section are less than the radius R4 of the first wall section 33a of external The lid component, which is less than shell again
The radius R5 of first wall section 18a of body.Difference between the radius of adjacent column body in entire wall construction can it is identical or
The almost the same cross section in order to provide constant.In other words, radius R2 can greatly go out than radius R1 distance D or about away from
From D, radius R3 can go out distance D or about D etc. greatly than radius R2.It is substantially uniform by having in entire flow channel
Cross section can improve flow channel efficiency and reduce noise.When motor sub-assembly lid and shell surround motor sub-assembly axis X phase
To it is symmetrical when, it is easier to design with substantially invariable cross section air duct.
With reference to figure 2, Fig. 6 a and Fig. 6 b, internal The lid component 32, external The lid component 33 and intermediate The lid component 34 edge 32c,
At least some of 33c, 34c, which can be shaped as, provides longer edge length.As shown in the arrow in Fig. 6 b, longer side
Edge increases the surface area that air turns through 180 degree, to reduce the local velocity of the air on edge.Therefore, rapid
Noise can reduce caused by stream and flowing.Edge can have undulations, the undulations to have multiple peak and valleys.It edge can
To have fluctuating curved shape.It edge can be for example in sinusoidal shape.As shown in figures 6 a and 6b, internal The lid component
32, each in edge 32c, 33c and 34c of external The lid component 33 and intermediate The lid component 34 can be corrugated.At it
In his realization method, only some edges can be formed to have longer edge length.In some implementations, and
As shown in Figure 6 b, wave-like or fluctuating pattern are set along edge and perpendicular to airflow direction.In other words, when air passes through
When crossing edge, air is flowed across rather than along wave.
The amplitude of each peaks or valleys may, for example, be several millimeters.Wave pattern can be for example with the ' wave between 8mm and 20mm
It is long ' it repeats.As specific example, edge can have a series of undulations for forming semicircles.Each semicircle can have 3mm
Radius so that from the paddy formed by a semicircle to the height at the peak formed by adjacent semicircle be 6mm.Bending pattern will be with
It is repeated once afterwards per 12mm.In other instances, a series of amplitude of ' wave ' or semicircles can be between 2mm and 4mm so that
The height of wall from paddy to peak is between 4mm and 8mm.It will be appreciated, however, that other sizes and wave pattern can be used in other
In realization method.
Motor cover and shell can be made of synthetic resin, including but not limited to plastics.It will be appreciated, however, that motor cover
It can be made using any suitable method and material with shell.In some embodiments, they can be injection molded.
Although it have been described that the specific example and embodiment of the present invention, but the scope of the present invention is by appended claims
It limits, and is not limited to described example and embodiment.Therefore, the present invention can otherwise be implemented, and can be with
It is expected that many modifications and substitutions arrangements, as will be understood by those skilled.
It, can be in other realization methods for example, although showing The lid component in the accompanying drawings with specific shape
Use the alternative form that identical function is provided.In addition, although flow channel has been described as having substantially homogeneous cross section,
It is the cross section that flow channel can alternatively be designed to have variation.From the point of view of noise point, if being designed to work as, variation
May be beneficial.In addition, dust arrester device and flow generator device may include the additional of component shown in Fig. 2 or replace
For component.
Claims (15)
1. a kind of vacuum cleaner (1), including：
Motor sub-assembly (16), the motor sub-assembly are used to generate in air sucking dust arrester room (11) that air-flow will carry dust；
Lid (17) for the motor sub-assembly；And
Shell (18), the shell provide wall construction for the motor sub-assembly and the lid, the lid and shell, which includes multiple
Wall and the air flow passage with multiple turning parts for defining the gas outlet on from the motor sub-assembly to the shell (27)
(31),
Wherein the lid includes internal motor component The lid component (32) and external motors component The lid component (33), each motor sub-assembly lid
Component across the end of the motor sub-assembly (16b) the gas outlet (27) nearby and along the side of the motor sub-assembly extend, so as to
The double wall of the wall construction is formed between the motor sub-assembly and the gas outlet in the region that air leaves the motor sub-assembly
(32b, 33b), and each motor sub-assembly The lid component have edge that other walls relative to the wall construction position (32c,
33c) so that air reaches the outlet around the edge flowing, and to formed the air flow passage these are multiple
A turning part in turning part.
2. vacuum cleaner according to claim 1, the wherein lid further comprise intermediate The lid component (34), the middle cover
Component includes the wall with the edge between the inside The lid component and the outside The lid component, which forms in the wall construction
Partition.
3. vacuum cleaner according to claim 2, wherein the inside wall member (32), the intermediate wall member (34) and should
The edge (32c, 33c, 34c) of external wall member (33) is arranged in a staggered fashion so that the air flow passage includes interior at this
Flow duct (31c), offer in space between portion's The lid component and the intermediate The lid component is around the edge of the intermediate member
The bent intermediate pipeline (31d) of a turning part in these turning parts of (34c) and among this The lid component (34) with should
The flow duct (31e) in space between external The lid component (33).
4. vacuum cleaner according to claim 2 or 3, the wherein intermediate The lid component include around the big of the motor sub-assembly
Cause cylindrical wall.
5. according to the vacuum cleaner described in claim 2,3 or 4, wherein inside The lid component and the outside The lid component includes side
Wall section (32a, 33a), these side wall sections are formed substantially together with the intermediate The lid component (34) around the motor sub-assembly
Cylindrical and concentric wall.
6. the vacuum cleaner according to any one of claim 2 to 5, wherein inside The lid component (32), the outer cover
Component (33) and the intermediate The lid component (34) and the shell (18) are arranged with respect to one another to be formed with constant cross
The flow channel (31) in section.
7. vacuum cleaner according to any one of the preceding claims, wherein the inside The lid component (32) and the outer cover
Each in component (33) is bowl-type.
8. vacuum cleaner according to any one of the preceding claims, the wherein flow channel have in the outer cover structure
Flow duct (31g) between part (33) and the wall (18a) of the shell.
9. vacuum cleaner according to any one of the preceding claims, wherein these multiple turning parts include multiple 180
Spend turning part.
10. vacuum cleaner according to any one of the preceding claims, the wherein flow channel (31) have interior at this
Flow duct (31a) between portion's The lid component (32) and the motor sub-assembly (16).
11. vacuum cleaner according to any one of the preceding claims, the wherein motor sub-assembly (16) are included in operation
When the rotating part that is rotated around axis (X), and the outlet (27) wherein on the shell is located on the axis.
12. vacuum cleaner according to claim 11, wherein from the motor sub-assembly (16) to the stream of the outlet (27)
Dynamic channel is symmetrical around substantially 360 degree of the axis (X).
13. vacuum cleaner according to any one of the preceding claims, wherein in the edge (32c, 33c, 34c)
It is at least one that there are undulations, the undulations to have multiple peak and valleys.
14. vacuum cleaner according to any one of the preceding claims, wherein in the edge (32c, 33c, 34c)
It is at least one be it is corrugated, at least one of preferably described edge (32c, 33c, 34c) be in sinusoidal shape.
15. vacuum cleaner according to any one of the preceding claims, wherein from the motor sub-assembly (16) to the outlet
The flow channel (31) of mouth (27) includes partially or completely gas permeability composite fibre materials.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/078722 WO2017092832A1 (en) | 2015-12-04 | 2015-12-04 | A vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108366704A true CN108366704A (en) | 2018-08-03 |
Family
ID=54780351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580085057.9A Pending CN108366704A (en) | 2015-12-04 | 2015-12-04 | Vacuum cleaner |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP3383241B1 (en) |
| CN (1) | CN108366704A (en) |
| WO (1) | WO2017092832A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040698A (en) * | 2019-07-08 | 2022-02-11 | 伊莱克斯公司 | Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3046046B1 (en) | 2015-12-23 | 2017-12-22 | Seb Sa | GEOMETRY OF AERAULIC CIRCUIT FOR A HAND VACUUM |
| AU2017101395A4 (en) | 2016-11-01 | 2017-11-16 | Bissell Inc. | Handheld extraction cleaner |
| DE102018126736A1 (en) | 2018-10-26 | 2020-04-30 | Miele & Cie. Kg | Blower capsule device for reducing noise for a blower, blower system with a blower capsule device, and method for manufacturing a blower system |
| CN109589042B (en) * | 2018-12-29 | 2021-01-12 | 江苏美的清洁电器股份有限公司 | Motor cover for dust collector, motor module of dust collector and dust collector |
| IT202100008114A1 (en) * | 2021-03-31 | 2022-10-01 | Diversey Inc | FLOOR CLEANING EQUIPMENT |
| US11793378B2 (en) | 2021-11-17 | 2023-10-24 | Bissell Inc. | Handheld extraction cleaner |
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| KR100844130B1 (en) * | 2006-12-06 | 2008-07-04 | 삼성광주전자 주식회사 | Fan motor case assembly |
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2015
- 2015-12-04 EP EP15804551.8A patent/EP3383241B1/en active Active
- 2015-12-04 EP EP22173809.9A patent/EP4088636B1/en active Active
- 2015-12-04 WO PCT/EP2015/078722 patent/WO2017092832A1/en active Application Filing
- 2015-12-04 CN CN201580085057.9A patent/CN108366704A/en active Pending
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| CN1144075A (en) * | 1995-08-31 | 1997-03-05 | 大宇电子株式会社 | Vaccum cleaner having noise reduction system |
| CN1179025A (en) * | 1996-09-10 | 1998-04-15 | 光州电子株式会社 | Noise reducing mechanism for vacuum cleaner motor |
| WO2001074025A1 (en) * | 2000-03-24 | 2001-10-04 | Nilfisk-Advance A/S | A silencer for an air flow generator |
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| CN114040698A (en) * | 2019-07-08 | 2022-02-11 | 伊莱克斯公司 | Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3383241B1 (en) | 2022-05-18 |
| WO2017092832A1 (en) | 2017-06-08 |
| EP4088636B1 (en) | 2024-03-20 |
| EP3383241A1 (en) | 2018-10-10 |
| EP4088636A1 (en) | 2022-11-16 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
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