CN110013194A - Vacuum cleaning unit with filter bag and the filter bag for vacuum cleaning unit - Google Patents
Vacuum cleaning unit with filter bag and the filter bag for vacuum cleaning unit Download PDFInfo
- Publication number
- CN110013194A CN110013194A CN201910016446.6A CN201910016446A CN110013194A CN 110013194 A CN110013194 A CN 110013194A CN 201910016446 A CN201910016446 A CN 201910016446A CN 110013194 A CN110013194 A CN 110013194A
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- CN
- China
- Prior art keywords
- filter bag
- filter
- aspirate
- cleaning unit
- vacuum cleaning
- 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.)
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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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
- A47L9/1436—Connecting plates, e.g. collars, end closures
- A47L9/1445—Connecting plates, e.g. collars, end closures with closure means
-
- 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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
Abstract
The present invention relates to a kind of vacuum cleaning unit (1), fan (2) with the air for conveying load aspirate to filter chamber (3), the filter chamber has the filter bag (4) for accommodating aspirate, wherein, the filter bag (4) has filtering material, the filtering material can at least partially be attracted to the inner wall (5) of filter chamber (3) when fan (2) are run, wherein, the filtering material is flexibly constructed and is arranged in the filter chamber (3), thus according to the pressure difference between the pressure of the pressure in filter bag (4) and filter bag (4) outside, the filter bag (4) reversibly expands or compresses.In order to advantageously improve filter bag (4), suggest herein, filter bag (4) single layer or multilayer construct, wherein, the material and/or the corrugated material under filter bag (4) compressed state that at least one material layer (6,7) has pleating, wherein, the longitudinal extension of the fold of pleating and/or corrugated material is oriented transverse to the main flow direction for the air for flowing through filter bag (4).
Description
Technical field
The present invention relates to a kind of vacuum cleaning unit, there is the wind of the air for conveying load aspirate to filter chamber
Fan, the filter chamber have the filter bag for accommodating aspirate, wherein the filter bag has filtering material, the filtering
Material can at least partially be attracted to the inner wall of filter chamber when fan is run, wherein the filtering material flexibly constructs
And it is arranged in the filter chamber, thus according to the pressure difference between the pressure in filter bag and the pressure outside filter bag, institute
Filter bag is stated reversibly to expand or compress.
Furthermore the invention further relates to a kind of filter bags, for being placed in the filter chamber of vacuum cleaning unit and accommodating pumping
Inhale object, wherein the filter bag has the filtering material and aspirate entrance of the air for filtering load aspirate, the pumping
Object entrance is inhaled with the locking device for opening and closing the aspirate entrance, wherein the locking device, which has, attaches
In the closure elements of aspirate entrance, wherein the filter bag single layer or multilayer construct, wherein at least one material
Layer has elastic material, thus according to the pressure difference between the pressure in filter bag and the pressure outside filter bag, the filter bag
It reversibly expands or compresses.
Background technique
In the prior art, vacuum cleaning unit and the filter bag for vacuum cleaning unit are in a variety of different implementation shapes
It is known in formula.Vacuum cleaning unit for example can be designed as dust catcher, especially ground dust catcher or the battery guided manually
Dust catcher.Fan is by aspirate from the filter bag that surface to be cleaned sucking is arranged in filter chamber.The air of sucking is then worn
The filtering material of filter bag is crossed, to reach the fan of vacuum cleaning unit comprising aerial aspirate is filtered
Material detention, therefore only clean air reaches fan.Filtering material majority is flexible material, will by the operation of fan
The material is aspirated to the direction of fan and therefore the material is expanded in filter chamber after being placed in filter bag for the first time.Filter material
Material expands herein, to provide effective filtering surface as big as possible for filter process.
3 047 778 A1 of patent document EP for example discloses a kind of dust collection equipment of operation power and sets for dust suction
Standby filter bag, wherein the filtering material of filter bag is at least partially attracted to the inner wall of filter chamber when fan is run, so as to
Make the volume maximization of filter bag.Filtering material is substantially soft material, especially web and/or fabric.This material
On the inner wall that easily filter chamber can be adsorbed to when the fan of dust collection equipment is run, therefore filter bag can very quickly
Ground forms desired shape and consistently sticks on inner wall as far as possible.When starting fan, the air for loading aspirate is logical
The aspirate opening for crossing the bottom plate of filter bag sucks and reaches the inside of filter bag.The flip lid of bottom plate is thus since fan generates
Negative pressure and open.The filtering material of filter bag generates resistance to the air flowed in filter bag, therefore filtering material is blown
It rises and is expanded in filter chamber.
Patent document DE 10 2,005 002 420 A1, EP 2 229 859 A1 and US 2 951 553 show by bullet
Filter bag made of property or corrugated material, the material can according to the pressure in filter bag and the pressure outside filter bag it
Between pressure difference reversibly expand or compress.
Summary of the invention
Although filter bag above-mentioned has been verified, the technical problems to be solved by the invention are still especially reducing
Filter bag is improved in terms of filter bag volume, to realize bigger mobile space when taking out filter bag from vacuum cleaning unit.
In order to solve the technical problem suggestion, the filter bag single layer or multilayer construct, wherein at least one
The material and/or the corrugated material under the compressed state of filter bag that material layer has pleating, wherein pleating and/or corrugation
Material fold longitudinal extension transverse to the air for flowing through filter bag main flow direction orient.
According to the present invention, at least one material layer of filtering material can be in the form of folding under the original state of compression
In the presence of.Filter bag realizes expansion by the adjacent fold of expansion pleating or corrugated material.On the one hand by being unfolded
Filter material material and on the other hand may be implemented if necessary additionally by the extendability that filtering material has due to elasticity
The volume of filter bag expands.It is realized by the elasticity of filtering material, pleating or corrugated material are in vacuum cleaning unit
The suction air flow of fan can be returned in the original state of compression again after disappearing.Fold extends transverse to main flow direction
Longitudinal extension make filter bag towards aspirate entrance direction shrink, it is thus achieved that aspirate is in reverse to main flow side
To optimal compression.
Filter bag especially small can structurally construct.Placement this simplifies the transport of filter bag and/or in filter chamber.
In suction, the negative pressure generated in filter chamber causes the volume of filter bag to expand.After aspiration procedure, namely closing
When fan, filter bag is since the elasticity of filtering material is shunk together again, so that collecting the aspirate quilt in filter bag
Compression.Reduce the volume of filter bag also again in the state of filling, thus especially easily realize by filter bag from
It is taken out in filter chamber.In addition, this embodiment is also especially hygienic other than for the design advantage of vacuum cleaning unit,
Because aspirate is compressed and is furthermore possible to abandon during individual cleaning and unlike in general for a long time
Ground stays in vacuum cleaning unit.It therefore can be with the smallest volume configuration filter bag under compression, wherein the filtering
Bag is expanded by the operation of the fan of vacuum cleaning unit, and aspirate is collected herein and finally bears what is generated by fan
Pressure is contracted to the smallest state of volume after disappearing again.Filtering material can have such as elastic portion made of elastomer
Part.The filtering material of elasticity is preferably air permeable, therefore filter bag can have the elasticity being distributed throughout the circumferential
Material layer.Being preferably used can extend to twice of its length, the elastic material no more than ten times.At the beginning of proposed materials fiber
Beginning length is approximatively returned to initial length after revocation extends load again.In addition to filter bag is with substantially equally distributed bullet
Property material components construction except also it can be stated that filtering material for example only partly have elastomeric element.Elastomeric element for example may be used
To be zonally placed in originally soft filtering material.Elastic material is also possible to elastomer in this case.Alternatively
It is also contemplated that be, for example, regional area made of rubber.If the material components of elasticity are unevenly in filtering material
Surface distribution, then the surface can also with air permeable construct.
Suggest herein, the filter bag single layer or multilayer construct, wherein at least one material layer has elastic material
Material.According to this design scheme, filter bag for example can have two material layers along pumping direction arranged in succession, the material
The bed of material can be both comprising elastic material or the flexible material of one of material layer and another material
Layer non-resiliently, for example flexibly constructs.
As special design scheme suggestion, there are two the material layers of elasticity for the filter bag tool, wherein outer layer material
With the modulus of elasticity bigger than inner layers of material or filter bag tool, there are two material layers, wherein outer layer material tool
Flexible material, and inner layers of material has pleating and/or corrugated material.According to former alternative, wherein mistake
The outer layer material of filter bag has than being in contrast arranged in the higher modulus of elasticity of inner layers of material, and filter for example can be with
It is made of the internal ramp of the external auxiliary filter of elasticity and elasticity.It is double-deck or the filter bag of multilayer exists when necessary
In this case it is kept by the external auxiliary layer of elasticity.In second in form of implementation, filter bag for example equally can have bullet
Property external auxiliary filter, wherein inner layers of material has the filtering material of corrugated internal ramp and/or pleating.?
After suction air flow disappears, when external after-filter is shunk, internal ramp is preferably folded in initial position again, from
And particularly compact shape is also formed when accommodating aspirate in filter bag.
It can be stated that the filter chamber of the vacuum cleaning unit has filter space boundary, for against in expansion shape
Filter bag under state, wherein the filter space boundary has multiple air flow openings and/or multiple protrudes into filter chamber
Spacer element.The special tectonic on filter space boundary realizes, and is in filter bag and sticks on the borderline shape of filter space
Air can also flow to the fan of vacuum cleaning unit by the air path thus constituted when state.Filter bag maximum can expand
To filter space boundary.Filter space boundary for example can be orifice plate, and the orifice plate ensures, be expanded to filtering in filter bag
Air, which remains on, when on space boundary can leave the filter bag.Construct and/or be arranged in filter chamber inside between
Achieved the same effect every element, the spacer element at least partially by filter bag and filter space boundary separately and
Thus one or more air duct is constituted, air can flow to fan by the air duct.
It is further recommended that the filter chamber and/or the filter bag have to enter for opening and closing the aspirate of filter bag
The locking device of mouth.Therefore the locking device of aspirate entrance for filter bag can be associated with filter bag itself or filtering
Room.If locking device is associated with filter chamber, the locking device for example can have biggish actuator, for example, electrode or
Person's electromagnet.The closure elements that filter bag itself for example can be operated only with one by locking device.It is thus achieved that special
Not simply, filter bag is constructed especially as low-cost disposable unit, disposable unit is in addition to filtering material and necessity
When the bottom plate with aspirate entrance except do not need other components.The closure elements of locking device can be constructed in mistake itself
On filter chamber.
Especially it can be stated that the locking device has the closure elements for being associated with aspirate entrance and applies to closure elements
Add the operating element of active force.The operating element especially can be motor, electromagnet, permanent magnet, spring element and/or shape
Memory cell.As already explained, such as motor and/or electromagnet are preferably associated with filter chamber.And operating element, such as permanent magnetism
Body, spring element and/or shape memory member can then construct in filter chamber, can also be arranged in filter bag sheet.Example
It such as can be by marmem or bimetallic, such as realization suction in the form of the screw for expanding and shrinking in the longitudinal direction
The opening and closing of object entrance.The temperature change of screw causes the screw to expand or shrink, thus it enables that closure elements
It is mobile.Such as temperature change can be realized by the electric current for being in electrical contact and flowing through alloy material.It is e.g. passive in operating element
Element, such as permanent magnet perhaps overcome the magnetic force of permanent magnet or returning for spring element by air pressure in the case where spring element
Multiple power opens aspirate entrance, and the air pressure is generated by the fan of vacuum cleaning unit when aspirating and running.In suction air
When stream disappears, magnetic force or restoring force are dominant, thus in the position for the aspirate entrance for making closure elements be moved back to closing filter bag.
In addition to vacuum cleaning unit above-mentioned, the present invention also suggests a kind of filter bag, for being placed in vacuum cleaning unit
Filter chamber in and accommodate aspirate, wherein the filter bag have for filter load aspirate air filter material
Material and aspirate entrance, the locking device that the aspirate entrance has for opening and closing the aspirate entrance, wherein
The locking device, which has, is associated with the closure elements of aspirate entrance, wherein the filter bag single layer or multilayer ground structure
It makes, and wherein, at least one material layer has elastic material, thus according to the pressure in filter bag and the pressure outside filter bag
Between pressure difference, the filter bag reversibly expands or compresses, wherein at least one material layer has the material of pleating
Material and/or the corrugated material under the compressed state of filter bag, wherein the longitudinal direction of the fold of pleating and/or corrugated material
Extended segment is oriented transverse to the main flow direction for the air for flowing through filter bag.Filter bag is designed as, so that the filter bag has
Can open with closed aspirate entrance, aspirate can be transported to by the aspirate entrance inside filter bag and
Simultaneously can expand or compress according to the pressure difference of generation, wherein according to generated pressure difference, it is described expansion or
Compression is reversible.Filter bag can be constructed such as suggestion relevant to vacuum cleaning unit precedingly.Feature and advantage above-mentioned
Therefore correspondingly it is also applied for filter bag according to the invention.
It can especially be provided for filter bag, the locking device has the operation that the closure elements are applied with active force
Element, especially permanent magnet and/or spring element and/or shape memory member.Therefore operating element is the element of filter bag, described
Element for example can be preferably disposed adjacently on the bottom plate of filter bag with aspirate entrance.Control element especially can be permanent magnetism
Body, spring element and/or shape memory member.Proposed operating element can be designed small in this way, so that the operation is first
Part will not significantly have the additional requirement to locational space on the bottom plate of filter bag.In addition, the operating element also can
Inexpensively for article as such as disposable filtering bag.
In addition to this also suggest, there are two the material layers of elasticity for the filter bag tool, wherein outer layer material has than interior
There are two material layers for the bigger modulus of elasticity of portion's material layer or filter bag tool, wherein outer layer material is flexible
Material and inner layers of material have pleating and/or corrugated material.Referring to suction cleaning before associated advantage
Equipment illustrate and it is equally applicable herein.
Detailed description of the invention
The present invention is elaborated below according to embodiment.In the accompanying drawings:
Fig. 1 shows vacuum cleaning unit according to the invention,
Fig. 2 shows the regional area of the vacuum cleaning unit with filter bag according to the invention,
Fig. 3 shows the partial zones of the amplification of the vacuum cleaning unit with filter bag under the original state in compression
Domain,
Fig. 4 shows the regional area of the vacuum cleaning unit of the filter bag with expansion,
Fig. 5 is shown in the filter bag being filled under aspirate state and compressive state,
Fig. 6 shows the regional area of the vacuum cleaning unit of the filter bag with compression according to another form of implementation,
Fig. 7 shows the filter bag according to Fig. 6 in the expanded state,
Fig. 8 shows the filter chamber of vacuum cleaning unit, has the filter bag according to another form of implementation,
Fig. 9 shows the filter chamber of vacuum cleaning unit, has the filter bag according to another feasible form of implementation.
Specific embodiment
Fig. 1 shows vacuum cleaning unit 1 according to the invention, and the vacuum cleaning unit is illustratively designed as hand herein
Hold the floor suction device of guiding.Vacuum cleaning unit 1 has infrastructure device 14 and releasably connect with the infrastructure device
Optional equipment 15.Infrastructure device 14 and optional equipment 15 are connected with each other by join domain 21.Infrastructure device 14 has handle
The shank 16 of hand 17, in common ground cleaning, user can aspirate by the way that the handle 17 is mobile over a surface to be cleaned
Cleaning equipment 1.User is usually alternately moved back and forth herein, and user replaces vacuum cleaning unit 1 in reciprocating movement
Ground pushes far from itself or pulls to itself.
Infrastructure device 14 has wheel 19, and the wheel realizes the movement of vacuum cleaning unit 1 over a surface to be cleaned.This
Outside, it is configured with suction nozzle with battery unit 20 on optional equipment 15, aspirate can be collected by the suction nozzle with battery unit 20 by optional equipment 15
In and be thus also integrally collected into vacuum cleaning unit 1.User can be on the handle 17 of infrastructure device 14 by opening
Close the operation of 18 starting vacuum cleaning units 1.The fan 2 being arranged in infrastructure device 14 is for example opened in Operation switch 18.
Filter chamber 3 is located in infrastructure device 14, and the filter chamber 3 has removable filter bag 4.It can by fan 2
Aspirate is picked up from surface to be cleaned, wherein the aspirate passes through the suction nozzle with battery unit 20 of optional equipment 15 and passes through bonding pad
Domain 21 flows into filters in the filter chamber 3 of infrastructure device 14 and herein by filter bag 4, therefore only by clean air energy
Enough flow to fan 2.The aspirate sucked together with air stays in filter bag 4 and is deposited on the filtering material of the filter bag
On.
Fig. 2 and Fig. 3 shows the regional area of the amplification of vacuum cleaning unit 1, wherein the original state shown in of filter bag 4
Under still do not contain aspirate.Filter bag 4 has filtering material, and the filtering material has elastic characteristic, therefore filter bag 4 can
The compressive state shown in is expanded to swelling state.Filtering material is for example made of two material layers 6,7 herein, i.e. exterior material
Layer 6 and inner layers of material 7.Outer layer material 6 is the external auxiliary filter of elasticity herein, and the after-filter can by air
The elastic fabric penetrated is constituted.Inner layers of material 7 is the internal ramp folded, and the internal ramp is in outer layer material 6
It stretches when expansion and is folded again when shrinking.There is the fold of filter bag 4 main flow direction transverse to air to orient
Longitudinal extending amount.It means that the longitudinal extension of fold is transverse to imaginary aspirate entrance 11 and fan in filter bag 4
The linear directional extended between 2.Therefore, filter bag 4 by the preset retraction direction of fold towards the direction of aspirate entrance 11,
To make to include that aspirate in filter bag 4 is compressed towards the direction of aspirate entrance 11 and therefore in aspirate entrance 11
Only most preferably occupy a small amount of volume share in free space between fan 2.Thus, it is possible to reduce the suction of filter bag 4 resistance
Power.Filter bag 4 has the aspirate entrance 11 for being associated with locking device 10.Locking device 10 be herein the part of filter bag 4 simultaneously
And there are closure elements 12, the closure elements 12 are for example configured to the valve flip lid of elasticity herein.It is aspirated when starting fan 2
Load the air of aspirate.Herein by the negative pressure that is generated from fan 2 by making closure elements 12 open closing and turning over to side
Device 10.The filtering material of filter bag 4 has the resistance for the air flowed in filter bag, so that filter bag 4 be made to be blown
It rises and is expanded towards the direction of the inner wall of filter chamber 35.
Fig. 4 shows the swelling state of filter bag 4, wherein aspirate flows into the interior of filter bag 4 by aspirate entrance 11
Portion.Pass through the outer layer material 6 of pressure difference and elasticity between the pressure inside filter bag 4 and the pressure outside filter bag 4
Restoring force establish balance, the balance is maintained at filter bag 4 in the state of expansion.When the fan 2 of vacuum cleaning unit 1
When closing, suction air flow disappears, therefore pressure difference equally disappears.Filter bag 4 is dominated by the restoring force of the filtering material of elasticity,
So that filter bag 4 bounces back in the position of contraction shown in fig. 5.
As shown in figure 5, locking device 10 is re-closing off when suction air flow disappears, therefore aspirate is collected in filter bag
In 4.Aspirate in filter bag 4 is compressed when filtering material is shunk, thus filter bag reaches possible minimum volume.
Filter bag 4 can be particularly easy to take out from the filter chamber of vacuum cleaning unit 13 in this state.Particularly preferably can
Enough to set disposable unit for filter bag 4, disposable unit can directly abandon after individual cleaning process, and not
As being retained in longer time section in vacuum cleaning unit 1 under normal conditions.Design in addition to being directed to vacuum cleaning unit 1
Except advantage, this embodiment is especially hygienic.
There is locking device 10 operating element 13 not being illustrated in detail in the embodiment according to Fig. 1 to Fig. 5 (such as to join
See Fig. 6 and Fig. 7), the operating element for opening and closing suction intake 11, namely operate closure elements 12.It can lead to
Cross the opening and closing that different modes realizes aspirate entrance 11.Operating element 13 for example can be the cloth except filter bag 4
Set the motor in infrastructure device 14.Vacuum cleaning unit 1 can be started by switch 18 and come driving motor and pass through lever
Mechanism offset is designed as the closure elements 12 of flip lid herein.It is also contemplated that electromagnetically driving closure elements 12, wherein Ke Yiqu
Electromagnetic coil is set for motor.It is necessary that being supplied by the infrastructure device 14 of vacuum cleaning unit 1 for two kinds of solutions
To electric energy.In addition, also it is possible that the locking device 10 of automatism other than driving locking device 10.Such as it can seal
It closes on element 12 and applies continuous action and close power.In this case, when the starting fan of vacuum cleaning unit 1, closing
Element opens aspirate entrance 11.In this case, the negative pressure on closure elements is acted on by suction process and is higher than operation
The restoring force of element 13.Typically the lasting power that closes for example can be by spring element, permanent magnet, shape memory member or envelope
The gravity for closing element 12 provides.Furthermore it is also contemplated that driving and automatism closure elements 10 are combined.Herein
It may be implemented to open and close aspirate entrance 11 with being staggered in time when opening and closing fan 2.This can have pass
In be correctly unfolded or be folded over filter bag 4 the advantages of.It is also contemplated that similarly by pneumatics or hydraulic technique
Drive locking device 10.
Fig. 6 and Fig. 7 shows another form of implementation of vacuum cleaning unit 1 or filter bag 4 according to the invention.At this
In kind design scheme, filter chamber 3 has the locking device 10 for the aspirate entrance 11 for being associated with filter bag 4, the locking device
10 include closure elements 12 and operating element 13.Operating element 13 is shape memory member herein and is used to make closure elements 12
It moves into aspirate entrance 11 or is removed from the aspirate entrance 11.In initial position shown in Fig. 6, shape memory
Element is compression, therefore aspirate entrance 11 is closed and aspirate can not reach in filter bag 4.If user opens suction
The fan 2 of cleaning equipment 1, then it is same to open the heating element for being for example associated with operating element 13, to make 13 quilt of operating element
It heats and is expanded due to temperature change.This causes closure elements 12 mobile far from aspirate entrance 11, to make aspirate
Entrance 11 is opened.Fig. 7 shows this state.Once fan 2 is closed, preferably similarly, slightly early if necessary or slightly evening ground
It is also switched off heating element, to make operating element shrink again and close aspirate entrance 11.Since suction air flow disappears,
Pressure balance except filter bag 4 and within filter bag 4, therefore the pressure difference on the filtering material of filter bag 4 is zero and mistake
Filter bag 4 is compressed to possible minimum dimension according to the aspirate for being included.It is then able to take filter bag 4 from filter chamber 3
Out.
Fig. 8 shows another form of implementation of vacuum cleaning unit 1 or filter bag 4.According to this design scheme, take out
The filter chamber 3 that cleaning equipment 1 has filter space boundary 8 is inhaled, the filter space boundary 8 is configured to orifice plate herein.It crosses
Filtering space boundary 8 has multiple air flow openings 9, and when filtering material sticks on filter space boundary 8, air also can
The fan 2 of vacuum cleaning unit 1 is escaped and reached from filter bag 4 by the air flow openings 9.It is alternative also feasible
It is that the filter space boundary 8 with the protrusion according to forms such as burl, fins is set, thus empty in filter bag 4 and filtering
Between flow path to the fan 2 of vacuum cleaning unit 1 is reserved between boundary 8.It filter space boundary 8 in this case can be with
It is the inner wall 5 of filter chamber 3.In illustrative embodiment shown in Fig. 8, filter bag 4 only has unique material layer 6.Institute
Material layer 6 is stated to be made of filtering material, such as filtration fabrics comprising elastomer or the filter fiber net of elasticity.
Fig. 9 finally shows another feasible form of implementation of filter bag 4.This filter bag 4 is by outer layer material 6 and inside
Material layer 7 constructs double-deckly.Outer layer material 6 is the external auxiliary filter of elasticity.Inner layers of material 7 is the inside mistake of elasticity
Filter.Outer layer material 6 is in this case for example with than the higher modulus of elasticity of inner layers of material 7.In outer layer material 6
When contraction, inner layers of material 7 is also shunk simultaneously.
List of numerals
1 vacuum cleaning unit
2 fans
3 filter chambers
4 filter bags
5 inner walls
6 material layers
7 material layers
8 filter space boundaries
9 air flow openings
10 locking devices
11 aspirate entrances
12 closure elements
13 operating elements
14 infrastructure devices
15 optional equipments
16 shanks
17 handles
18 switches
19 wheels
20 suction nozzle with battery unit
21 join domains
Claims (9)
1. a kind of vacuum cleaning unit (1) has the fan (2) of the air for conveying load aspirate to filter chamber (3), institute
Filter chamber is stated with the filter bag (4) for accommodating aspirate, wherein the filter bag (4) has filtering material, the filtering
Material can at least partially be attracted to the inner wall (5) of filter chamber (3) when fan (2) are run, wherein the filtering material bullet
Property construct and be arranged in the filter chamber (3), thus according to pressure and the pressure of filter bag (4) outside in filter bag (4)
Pressure difference between power, the filter bag (4) reversibly expand or compress, which is characterized in that the filter bag (4) is single
Layer ground or multilayer construct, wherein at least one material layer (6,7) have pleating material and/or pressed in filter bag (4)
Corrugated material in the state of contracting, wherein pleating and/or corrugated material fold longitudinal extension transverse to flow through filtering
The main flow direction orientation of the air of bag (4).
2. vacuum cleaning unit (1) described in accordance with the claim 1, which is characterized in that filter bag (4) single layer or it is more
Layer ground construction, wherein at least one material layer (6,7) has elastic material.
3. according to vacuum cleaning unit described in one of preceding claims (1), which is characterized in that the filter bag (4) has
Two elastic material layers (6,7), wherein outer layer material (6) has the modulus of elasticity bigger than inner layers of material (7), or
There are two material layer (6,7) for filter bag described in person (4) tool, wherein outer layer material (6) flexible material, and it is internal
Material layer (7) has pleating and/or corrugated material.
4. according to vacuum cleaning unit described in one of preceding claims (1), which is characterized in that the filter chamber (3) has
Filter space boundary (8), for against the filter bag (4) under swelling state, wherein filter space boundary (8) tool
There are multiple air flow openings (9) and/or multiple spacer elements protruded into filter chamber (3).
5. according to vacuum cleaning unit described in one of preceding claims (1), which is characterized in that the filter chamber (3) and/or
The filter bag (4) has the locking device (10) of the aspirate entrance (11) for opening and closing filter bag (4).
6. vacuum cleaning unit (1) according to claim 4, which is characterized in that the locking device (10), which has, to be attached
In the closure elements (12) of aspirate entrance (11) and to the operating element (13) of closure elements (12) application active force, especially electricity
Machine and/or electromagnet and/or permanent magnet and/or spring element and/or shape memory member.
7. a kind of filter bag (4), for being placed in the filter chamber (3) of vacuum cleaning unit (1) and accommodating aspirate,
In, the filter bag (4) has the filtering material and aspirate entrance (11) of the air for filtering load aspirate, the pumping
Object entrance is inhaled with the locking device (10) for opening and closing the aspirate entrance (11), wherein the locking device
(10) have and be associated with the closure elements (12) of aspirate entrance (11), wherein filter bag (4) single layer or multilayer
Construction, wherein at least one material layer (6,7) has elastic material, thus according to pressure and filter bag in filter bag (4)
(4) pressure difference between pressure outside, the filter bag (4) reversibly expand or compress, which is characterized in that at least one
The material and/or the corrugated material under filter bag (4) compressed state that a material layer (6,7) has pleating, wherein pleating
And/or the longitudinal extension of the fold of corrugated material is oriented transverse to the main flow direction for the air for flowing through filter bag (4).
8. filter bag (4) according to claim 7, which is characterized in that the locking device (10) has to the closing
The operating element (13) of element (12) application active force, especially permanent magnet and/or spring element and/or shape memory member.
9. according to filter bag described in claim 7 or 8, which is characterized in that there are two the materials of elasticity for filter bag (4) tool
Layer (6,7), wherein outer layer material (6) has the modulus of elasticity or the filter bag (4) bigger than inner layers of material (7)
Tool is there are two material layer (6,7), wherein the flexible material of outer layer material (6) and inner layers of material (7) has pleating
And/or corrugated material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018100371.4 | 2018-01-09 | ||
| DE102018100371.4A DE102018100371A1 (en) | 2018-01-09 | 2018-01-09 | Vacuum cleaning device with a filter bag and filter bag for a vacuum cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110013194A true CN110013194A (en) | 2019-07-16 |
Family
ID=66995250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016446.6A Pending CN110013194A (en) | 2018-01-09 | 2019-01-03 | Vacuum cleaning unit with filter bag and the filter bag for vacuum cleaning unit |
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| Country | Link |
|---|---|
| CN (1) | CN110013194A (en) |
| DE (1) | DE102018100371A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813704A (en) * | 2021-09-16 | 2021-12-21 | 南昌大学 | Pleated filter cylinder device with air valve |
| CN114901115A (en) * | 2019-11-12 | 2022-08-12 | 欧罗菲利特斯控股公司 | Vacuum cleaner filter bag for a hand-held vacuum cleaner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021206912B4 (en) | 2021-07-01 | 2023-06-15 | BSH Hausgeräte GmbH | dust collection device |
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| DE102005002420A1 (en) * | 2005-01-18 | 2006-07-27 | Miele & Cie. Kg | Vacuum cleaner bags and vacuum cleaner with a dust collecting space for holding vacuum cleaner bags |
| DE202005010357U1 (en) * | 2005-07-01 | 2005-09-08 | Branofilter Gmbh | A vacuum cleaner dust collection bag has a three layer wall construction in which at least one layer is of a crepe woven material |
| CN102245072A (en) * | 2008-12-08 | 2011-11-16 | 纽麦蒂克国际有限公司 | Vacuum cleaner and filter bag insert for a vacuum cleaner |
| CN107405031A (en) * | 2014-12-24 | 2017-11-28 | 美国 iRobot 公司 | Emptying station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114901115A (en) * | 2019-11-12 | 2022-08-12 | 欧罗菲利特斯控股公司 | Vacuum cleaner filter bag for a hand-held vacuum cleaner |
| CN113813704A (en) * | 2021-09-16 | 2021-12-21 | 南昌大学 | Pleated filter cylinder device with air valve |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018100371A1 (en) | 2019-07-11 |
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