CN108125615A - Dust catcher and its assemble method - Google Patents
Dust catcher and its assemble method Download PDFInfo
- Publication number
- CN108125615A CN108125615A CN201611139122.4A CN201611139122A CN108125615A CN 108125615 A CN108125615 A CN 108125615A CN 201611139122 A CN201611139122 A CN 201611139122A CN 108125615 A CN108125615 A CN 108125615A
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- Prior art keywords
- filter
- screw thread
- dust catcher
- filter assemblies
- nose assembly
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- 239000000428 dust Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 51
- 238000000429 assembly Methods 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 28
- 238000011144 upstream manufacturing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000011045 prefiltration Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
Abstract
Present invention is disclosed a kind of dust catchers, and including nose assembly, the nose assembly includes the fan housing being mutually fastened and connected（1）And motor cabinet（6）, the motor cabinet（6）Including side wall（61）And bottom wall（62）；Filter assemblies（2）, the filter assemblies（2）With the motor cabinet（6）It is arranged on the fan housing（1）The same side, the filter assemblies（2）It is arranged on the side wall（61）With the bottom wall（62）Periphery；The filter assemblies（2）Free end and the nose assembly between have seal clearance（3）, the seal clearance（3）It is interior to be equipped with second seal（7）；The filter assemblies（2）Free end and the nose assembly between be equipped with threaded engagement structure, the threaded engagement respective outer side edges screw to reduce the seal clearance（3）.Present invention further teaches the assemble methods of above-mentioned dust catcher.
Description
Technical field
The present invention relates to a kind of dust catcher more particularly to a kind of dust catchers with sealing structure.The invention further relates to one
The assemble method of the kind dust catcher.
Background technology
The application of dust catcher is relatively broad, higher to seal request, needs to prevent dust from invading motor chamber, once it is grey
Dirt intrusion is internal to be impacted device, and severe patient even results in dust catcher damage, causes economic loss.In the prior art
Structure of dust collector it is as shown in figure 13, the bottom end of filter 3 ' is removably sealingly mounted on filter holder 21 ', filter 3 '
Top and fan housing 1 ', 6 ' outer of motor cabinet between be provided with sealing element 7 ', generally use bolt will in the bottom of motor cabinet 6 '
Motor cabinet 6 ' is fastenedly connected with filter holder 21 ', and is given filter holder 21 ' and centainly upwarded pressure, and makes 3 ' lower end of filter
It compresses between filter holder 21 ', and then is compressed between 3 ' upper end of 6 ' outer of motor cabinet, fan housing 1 ' and filter, realized close
Envelope.In the prior art, the seal preload between motor cabinet 6 ', fan housing 1 ', filter 3 ' and filter holder 21 ' is completely the bottom of by
Portion's bolt 61 ' provides.But due to dust catcher during the work time, motor cabinet 6 ' can shake with the vibrations of motor, cause
Filter 3 ' deforms upon, and loosens or filters so as to cause the sealing between 6 ' outer of 3 ' top of filter and motor cabinet, fan housing 1 '
Sealing between 3 ' bottom end of device and filter holder 21 ' loosens, and leads to the problem of seal failure, dust can invade inside, to equipment
Damage is generated, reduces service life.Further, since the sealing of above-mentioned dust catcher includes multiple mating surfaces, any one cooperation
Face seal failure will result in the seal failure of entire dust catcher.
Invention content
It is an object of the invention to solve defect of the existing technology, a kind of dust catcher for avoiding seal failure is provided.
The technical solution of the present invention is a kind of dust catcher, and including nose assembly, the nose assembly includes mutually tight
Admittedly the fan housing and motor cabinet that are tightly connected, the motor cabinet includes side wall and bottom wall；Filter assemblies, the filter assemblies with
The motor cabinet is arranged on the same side of the fan housing, and the filter assemblies are arranged on the outer of the side wall and the bottom wall
Week；Between the free end of the filter assemblies and the nose assembly there is seal clearance, the is equipped in the seal clearance
Two sealing elements；Threaded engagement structure is equipped between the free end of the filter assemblies and the nose assembly, the spiral is matched
Respective outer side edges are closed to screw to reduce the seal clearance.
Further, thickness of the second seal on the direction of travel screwed is not less than the filter group
Minimum clearance between the free end of part and the nose assembly.
Further, thickness of the second seal on the direction of travel screwed is not less than the filter group
Minimum clearance between the free end of part and the nose assembly.
Further, first screw thread is the external screw thread being arranged on the outside of the free end of the filter assemblies；It is described
Nose assembly is equipped with the first threaded walls extended to the bottom wall direction, and second screw thread is is arranged on first threaded walls
The internal thread of inside.
Further, first screw thread is the internal thread being arranged on the inside of the free end of the filter assemblies；It is described
Second screw thread is the external screw thread for being arranged on the wall outer surface.
Further, the one end of the side wall far from the bottom wall is equipped with the second threaded walls, and second screw thread is setting
External screw thread in the second threaded walls outer surface.
Further, second threaded walls radially protrude from the side wall in motor cabinet.
Further, the free end of the filter assemblies is equipped with the second protrusion towards the side of the nose assembly.
Further, the free end of the filter assemblies is equipped with the end being fastened and connected with the filter assemblies
Lid, the inner or outer side of the end cap are equipped with the first screw thread, and the end cap is convex equipped with second towards the side of the nose assembly
Portion.
Further, the filter assemblies include filter holder and first filter, the first of the first filter
End is fastened and connected with the filter holder.
The invention further relates to a kind of assemble methods of above-mentioned dust catcher, include the following steps：By the filter assemblies from
One end far from the nose assembly covers on the periphery of the motor cabinet, makes the threaded engagement structure corresponding；Rotate the mistake
Filter module screws the threaded engagement structure, makes described in the free end of the filter assemblies and nose assembly compression
Second seal.
After implementing technical solution of the present invention, significant technological progress is as described below：The end cap and motor cabinet of filter
Close-fitting one, filter, end cap, filter holder and motor cabinet be relatively fixed two-by-two, thus when dust catcher works motor cabinet shake
The dynamic deformation that will not cause filter, sealing element will not loosen, and ensure leakproofness；The protrusion and sealing element of the top end face of end cap
Bottom surface abut against, further improve leakproofness；The sealing mating surface of the present invention is only focusing only on filter end cap, the second spiral shell
Line wall and fan housing reduce the quantity of sealing mating surface, not only enormously simplify assembling process, but also improve integral sealing
Stability and reliability.
Description of the drawings
Fig. 1 is a kind of schematic diagram of embodiment of dust catcher of the present invention；
Fig. 2 is the structure enlargement diagram of a-quadrant in Fig. 1；
Fig. 3 is the structure enlargement diagram of B area in Fig. 1；
Fig. 4 is the schematic diagram and partial enlargement of fan housing in the present invention；
Fig. 5 is the schematic diagram and partial enlargement of filter holder in the present invention；
Fig. 6 is the schematic diagram of end cap in the present invention；
Fig. 7 is the C-C sectional views in Fig. 6；
Fig. 8 is a kind of schematic diagram of embodiment of ash leakage hole and inclined-plane in the present invention；
Fig. 9 is ash leakage hole and the schematic diagram of another embodiment in inclined-plane in the present invention；
Figure 10 is the schematic diagram for not installing filter in the dust catcher another embodiment of the present invention；
Figure 11 is the schematic diagram that a filter is only installed in the dust catcher another embodiment of the present invention；
Figure 12 is the schematic diagram that two filters are installed in the dust catcher another embodiment of the present invention.
Figure 13 is the connection mode of filter holder and motor cabinet in the prior art；
Figure 14 is nose assembly and one embodiment of filter assemblies connection mode in the present invention；
Figure 15 is nose assembly and another embodiment of filter assemblies connection mode in the present invention；
Figure 16 is nose assembly and the further embodiment of filter assemblies connection mode in the present invention.
In above-mentioned attached drawing, 1- fan housings；11- through-holes；111- thirds protrusion；121- elastic arms；1211- pressure heads；The first spiral shells of 12-
Line wall；2- filter assemblies；21- filter holders；The first mounting portions of 211-；The second mounting portions of 212-；2121- ash leakage holes；2122-
Shrapnel；2123- inclined-planes；23- first filters；The first end of 231- first filters；The second end of 232- first filters；
24- end caps；The first protrusions of 241-；The first screw threads of 242-；The second protrusions of 243-；2431- high male members；The low male members of 2432-；25-
Tow filtrator；The first end of the second filters of 251-；The second end of the second filters of 252-；2531- the first bound edge parts；2532-
Second bound edge part；3- seal clearances；41- upper covers；42- covers；5- state sensors；52- first seals；6- motor cabinets；61-
Side wall；62- bottom walls；The second threaded walls of 63-；The second screw threads of 631-；632- flanges；7- second seals；8- vacuum generators；9-
Linkage portion；91- supporters；The first end of 911- supporters；The second end of 912- supporters；92- trigger member；921- trigger member
First end；The second end of 922- trigger member；923- sliding slots.
Specific embodiment
Below in conjunction with attached drawing, the specific embodiment of the present invention is described in further detail, so that technical scheme of the present invention
It is more readily understood and grasps.
The present invention provides a kind of dust catcher with twinfilter, including dirty air entrance（It is not shown）, clean air goes out
Mouthful（It is not shown）And the air duct being arranged between dirty air entrance and clean air outlet, vacuum generator 8, tool are equipped in air duct
Body, vacuum generator 8 is impeller motor.The upstream of vacuum generator 8 is equipped with first filter 23, specifically, the first filtering
Device is HEPA filter cores.The upstream of first filter 23 is equipped with the second filter 25, and specifically, the second filter 25 is iron net cover.
Such as Fig. 1, in this embodiment, dust catcher further includes fan housing 1, filter holder 21, motor cabinet 6, goes out including clean air
Upper cover 41, the storage dust barrel including dirty air entrance of mouth（It is not shown）With cover 42.Wherein, vacuum generator 8 is mounted on motor
Inside seat 6, motor cabinet 6 includes side wall 61 and the bottom wall 62 being connect with 61 one end of side wall, in the present embodiment, side wall 61 and bottom
Wall 62 is integrally formed.Bottom wall 62 is equipped with motor air inlet, and the one end of side wall 61 far from bottom wall 62 has the second threaded walls 63.The
Two threaded walls 63 radially protrude from side wall 61 motor cabinet 6, i.e. the internal diameter of the second threaded walls 63 is more than the internal diameter of side wall 61,
In this way, when first filter 23 is mounted on 6 periphery of motor cabinet, in side wall 61 and 23 inside of first filter of motor cabinet 6
Between can form an air duct.Second one end of threaded walls 63 far from bottom wall 62 is equipped with and outward extends flange 632.Motor cabinet 6
It is securedly mounted to 1 lower part of fan housing, i.e., be fastenedly connected between the second threaded walls 63 and fan housing 1；Upper cover 41 is mounted on 1 top of fan housing,
Filter holder 21 is mounted on 62 lower part of motor cabinet bottom wall, and 23 and second filter 25 of first filter is mounted on motor cabinet side wall 61
Between the filter holder 21 in outside and fan housing 1, and first filter 23 is in the inside of the second filter 25, storage dust barrel installation cover
The lower section of 42 outers；The flange 632 of motor cabinet 6 is folded in cover 42 along between fan housing, passing through between cover 42 and fan housing 1
Screw is fastenedly connected, in addition, being additionally provided with sealing element or setting sealing structure between motor cabinet 6 and fan housing, makes motor cabinet 6 and wind
It covers and is fastened and connected between 1 three.In above structure, under the action of vacuum generator 8, dirty air from dirty air entrance into
Enter and store up dust barrel, and the second filter 25 and first filter 23 are passed sequentially through along path H1, the second filter 25 is by coarse ash
Trifle in the world matter intercepts, and first filter 23 further intercepts more very thin dust impurity；The dust impurity intercepted by filter is stagnant
It stays in storage dust barrel, clean air is along path H2, from air duct of the first filter 23 between filter holder 21 and motor cabinet 6
The motor air inlet of 6 lower part of motor cabinet is reached, then enters the inner space of motor cabinet 6 and the restriction of fan housing 1 along path H3, then via
The space that fan housing 1 and upper cover 41 limit, is finally discharged from clean air outlet.In this embodiment, dust catcher also wraps
Include a state sensor 5.During first state, 23 and second filter 25 of first filter joint triggering state inductor 5；The
During two-state, 23 and second filter 25 of first filter is not combined, and state sensor 5 does not trigger.In the present invention, it is mutually tight
Admittedly the fan housing 1 and motor cabinet 6 that are tightly connected constitute nose assembly, certainly, nose assembly further includes upper cover 41, cover 42, true
Empty generator 8 etc.；The first filter 23 and filter holder 21 being mutually fastened and connected constitute filter assemblies, certainly,
Filter assemblies further include the second filter 25, end cap 24 etc..
The outer of fan housing 1 is equipped with through-hole 11.Specifically, through-hole 11 is arranged on fan housing 1 relative to the outside of motor cabinet 6,
That is the upstream side of motor cabinet 6.State sensor 5 corresponds to through-hole 11 and sets.Specifically, in the present embodiment, state sensor 5 is
Microswitch.Microswitch is arranged near through-hole 11, and makes the contact of microswitch corresponding with through-hole 11.In other implementations
In example, the periphery of through-hole 11 is equipped with the convex wall extended to 1 top of fan housing, which forms a microswitch holding tank, fine motion
Switch is mounted on the downward state in contact in the holding tank, makes its contact towards through-hole.
For convenience of description, the orientation restriction in invention is made and is defined as below.First, by above-mentioned air stream on the basis of,
" upstream " is defined as close to the direction of dirty air entrance, " downstream " is defined as, such as upper close to the direction of clean air outlet
It states in structure, first filter 23 is arranged on the downstream of the second filter 25, and first filter 23 is close to the second filter 25
It is known as upstream face on one side, the one side far from the second filter 25 is known as downstream face.Second, with the longitudinal axis of vacuum generator 8
On the basis of, it is known as " interior " close to the longitudinal axially direction of vacuum generator 8, the direction of the longitudinal axis far from vacuum generator 8
Referred to as " outer ", such as in above structure, first filter 23 is arranged on the inside of the second filter 25, first filter 23 is close
The one side of second filter 25 is known as its lateral surface.Third, alleged in of the invention " on " " under " it is opposite in description attached drawing
Orientation.
First embodiment
In the present embodiment, such as Fig. 2 ~ Fig. 9, through-hole 11 is interior to be equipped with elastic arm 121.One end of elastic arm 121 is equipped with pressure head 1211,
The thickness of pressure head 1211 is significantly greater than the thickness of elastic arm 121, and specifically, pressure head 1211 is downwardly projecting, in other embodiments,
Pressure head 1211 is protruding upward；The other end of elastic arm 121 is connect with the inner wall of through-hole 11, specifically, elastic arm 121 and 1 one of fan housing
Molding, since elastic arm 121 is as elastic material, so pressure head 1211 can be moved up and down along the axial direction of through-hole 11.Specifically,
When being under pressure, pressure head 1211 is moved along pressure direction；During pressure releases, pressure head 1211 resets under the action of elastic arm 121.
In other embodiments, elastic arm 121 and the inner wall elasticity of through-hole 11 are pivotally connected.
In the present embodiment, first seal 52 is equipped between microswitch and through-hole 11.Specifically, first seal
52 be elastic material, is arranged between microswitch contact and pressure head 1211.Further, first seal 52 is substantially in tablet
Shape is filled in microswitch holding tank, and through-hole 11 is sealed.When 1211 stress of pressure head towards microswitch contact move, pressure
Compel first seal 52, at least local elastic deformation, elastic deformation part compressing fine motion occur for first seal 52 itself
Switch contact triggers microswitch；When 1211 stress of pressure head cancels, pressure head 1211 is detached with first seal 52, and first is close
Sealing 52 restore to the original state and with microswitch contact separation, microswitch triggering release.The setting of first seal 52, was both played
Gearing, and can effectively seal through-hole 11, preventing dust from entering microswitch causes microswitch to damage, and plays biography
Action is used.
The first end 231 of first filter 23 is unremovably tightly connected with filter holder 21.In the present embodiment,
The outer rim of filter holder 21 be equipped with the first mounting portion 211, specifically, the first mounting portion 211 be slot, the first of first filter 23
End 231 is inserted into interference in the first mounting portion 211.In further embodiments, the first end 231 of first filter 23 and filtering
It is fixed between stent 21 using adhesive sealing.In further embodiments, the first end 231 of first filter 23 and filtering branch
It is fixed between frame 21 using helicitic texture sealing.In further embodiments, the first end 231 of first filter 23 and filtering branch
Frame 21 is integrally formed.The upstream side of the second end 232 of first filter 23 is equipped with the first protrusion 241.In the present embodiment,
The second end 232 of one filter 23 is equipped with end cap 24, and end cap 24 wraps up the second end 232 of first filter 23.Specifically, end cap
It is connected between 24 and the second end 232 of first filter 23 by adhesive.In further embodiments, 24 and first mistake of end cap
The second end 232 of filter 23 is integrally formed.The first protrusion 241 is equipped in the upstream side of end cap 24, in the downstream side of end cap 24
Equipped with the first screw thread 242, the second protrusion 243 is equipped in the side of first end 231 of the end cap 24 far from first filter 23, specifically
Ground, the second protrusion 243 have slightly pointed end.In further embodiments, the second protrusion 243 includes at least one high male member 2431
With at least one low male member 2432, wherein the height of high male member 2431 be more than low male member 2432.In further embodiments, second
Protrusion 243 includes the high male member 2431 and low male member 2432 from upstream side to downstream side successively.In further embodiments, second
Protrusion 243 includes one high male member, 2431, two low male members 2432 and a high male member successively from upstream side to downstream side
2431.The setting of above-mentioned second protrusion 243, can be after high 2431 wear out failure of male member in upstream side, by low male member 2432 then
It works.
The outer of filter holder 21 is equipped with the second mounting portion 212, and specifically, the second mounting portion 212 is arranged on the first installation
The upstream side in portion 211.In the present embodiment, the second mounting portion 212 is equipped with the slot of at least one ash leakage hole 2121 for bottom.By
The dust impurity that second filter 25 intercepts is fallen into the slot of the second mounting portion 212, and pass through ash leakage hole 2121 and fall into dust bucket
It is interior, avoid the accumulation of dust impurity.In the present embodiment, inclined-plane 2123 is equipped between two neighboring ash leakage hole 2121.Such as
Fig. 8, the middle part highest between two neighboring ash leakage hole 2121 are to dip down towards ash leakage hole 2121 in the highest on both sides of the middle
Oblique inclined-plane 2123.In further embodiments, such as Fig. 9, the one side highest of ash leakage hole 2121, another side is minimum, also
It is to say between two neighboring ash leakage hole 2121, tilts down to form inclined-plane 2123 from an ash leakage hole towards another ash leakage hole.
Inclined-plane 2123 is set between ash leakage hole 2121, make to fall dust impurity in the second mounting portion 212 under gravity to
Ash leakage hole moves, and further prevents the accumulation of dust impurity.In the present embodiment, it is equipped at least one ash leakage hole 2121
Acclivitous shrapnel 2122 gives the second filter 25 in the second mounting portion 212 upward pretightning force.
In the present embodiment, the first end 251 of the second filter 25 is equipped with the first bound edge part 2531, the second filter 25
Second end 252 be equipped with the second bound edge part 2532.Specifically, the first bound edge part 2531 and the second bound edge part 2532 are elastic material
Material can prevent the edge of the second filter 25 from the other component of dust catcher is damaged and being played certain sealing and make
With.
During first state, second end 232 and the fan housing 1 of first filter 23 are tightly connected, and the first of the second filter 25
End 251 is removably tightly connected with the second mounting portion 212, and the second end 252 of the second filter 25 is inserted into through-hole 11, and first is convex
Portion 241 has limited the second end 252 of the second filter 25, and jack up pressure head upwards with through-hole 11 in the radial direction of through-hole 11
1211, pressure head 1211 gives first seal 52 1 and upwards pressure, and makes first seal 52 that elastic deformation locally occur, should
Microswitch contact is withstood upwards in elastically-deformable part.At this point, the control device judgement filter of dust catcher is all installed to
Position allows dust catcher to start.
If it is only mounted with first filter 23 and the second filter 25 is not installed, due to the limitation of above structure so that
Microswitch can not be triggered, then the control device judgement filter of dust catcher is not installed in place all, does not allow dust catcher
Start.If not installing first filter 23, due to lacking filter holder 21, the second filter 25 is made to lack lower support,
And then microswitch can not be triggered, then the control device judgement filter of dust catcher is not installed in place all, does not allow to inhale
Dirt device starts.The state that above-mentioned filter is not installed in place all is known as the second state.
The present invention also provides the connection mode of nose assembly and filter assemblies 2, as shown in Figure 14 ~ Figure 16.Due to
Dust catcher has substantially symmetric structure under normal conditions, illustrates only dust catcher half for simplicity, in Figure 14 ~ Figure 16
Diagrammatic cross-section, the nose assembly in figure illustrates only the fan housing 1 being mutually fastened and connected and motor cabinet 6, filter group
Part 2 is shown as an entirety.In the present embodiment, filter assemblies 2 are arranged on the same side of fan housing 1, mistake with motor cabinet 6
Filter module 2 is wrapped in the periphery of side wall 61 and bottom wall 62, i.e. filter assemblies 2 are arranged on the upstream of motor cabinet 6.Filter group
There is seal clearance 3 between the free end of part 2 and nose assembly.One of the free end of filter assemblies 2 and nose assembly
Including being arranged on its first circumferential screw thread 242, wherein another including second spiral shell corresponding and complementary to 242 position of the first screw thread
Line 631.First screw thread 242 and the second screw thread 631 define the fastening road between the free end of filter assemblies 2 and nose assembly
Diameter.When the first screw thread 242 and the cooperation of the second screw thread 631 screw, the free ends of filter assemblies 2 is along the direction of travel T screwed
Nose assembly is moved closer to, direction T is perpendicular to helicoid and substantially parallel with the axial direction of dust catcher, and seal clearance 3 is made gradually to subtract
It is small.When the first screw thread 242 and the second screw thread 631 are tightened onto screw tip along fastening path, the free end of filter assemblies 2 with
The distance between nose assembly minimum is minimum clearance.Setting second seal 7, second seal 7 exist in seal clearance 3
The thickness on direction of travel screwed is not less than the minimum clearance.
In one embodiment, the first screw thread 242 is the external screw thread being arranged on the outside of the free end of filter assemblies 2；
Nose assembly is equipped with the first threaded walls 12 extended to 62 direction of bottom wall, and the second screw thread 631 is is arranged in the first threaded walls 12
The internal thread of side.In one embodiment, the first threaded walls 12 are extended downwardly by fan housing 1, such as Figure 14.In another embodiment
In, the first threaded walls 12 are extended downwardly by the outwardly extending outer rim in the one end of the side wall 61 of motor cabinet 6 far from bottom wall 62, are such as schemed
15.In the present embodiment, the outer diameter of the internal diameter and filter assemblies 2 of the first spiral wall 12 is adapted, specifically, the first spiral
The internal diameter of wall 12 is not less than the outer diameter of filter assemblies 12.On the basis of present embodiment, those skilled in the art can hold
It is readily conceivable that, additional internal thread is set on the inside of the free end of filter assemblies 2, while is set in 61 outside of side wall of motor cabinet 6
In the corresponding and complementary additional external screw thread in additional internal thread position, it can further enhance fastening and sealing effect.
In another embodiment, the first screw thread 242 is the interior spiral shell being arranged on the inside of the free end of filter assemblies 2
Line；Second screw thread 631 is the external screw thread for being arranged on 61 outer surface of side wall, as shown in figure 16.In the present embodiment, motor cabinet 6
The internal diameter of outer diameter and filter assemblies 2 of side wall 61 be adapted, specifically, the outer diameter of the side wall 61 of motor cabinet 6 was not more than
The internal diameter of filter module 2.
Specifically, such as Fig. 1 ~ Fig. 2, the second screw thread 631 is arranged on the outside of the second threaded walls 63, first filter 23
Second end 232 clamps second seal 7 and flange 632 with fan housing 1.When the installation for carrying out dust catcher, by filter assemblies 2
The periphery of motor cabinet 6 is covered on, and make the first screw thread 242 corresponding with the second screw thread 631 from one end far from the second threaded walls 63；
Rotating filter device assembly 2, the first screw thread 242 and the second screw thread 631 fasten mating along the direction of travel T that screws, make end cap 24 with
Fan housing 1 compresses second seal 7.Particularly, thickness of the second seal 7 on the direction of travel T screwed is not less than end cap
Minimum clearance between 24 and fan housing 1.That is, the first screw thread 242 and the second screw thread 631 are on the direction of travel T screwed
When screwing completely, there are prepsetting gap g between end cap 24 and fan housing 1, thickness of the second seal 7 in fastening direction is d, then
d≥g.In this way, the degree that screws of the sealing effect and the first screw thread 242 and the second screw thread 631 between end cap 24 and fan housing 1 has
Close, that is, screw that degree is about big, then the actual gap between end cap 24 and fan housing 1 is smaller, second seal 7 held it is tighter, into
And sealing effect is better.Moreover, when the thickness or other component of second seal 7 are there are during certain foozle, as long as
One screw thread 242 and the second screw thread 631 clamp second seal 7, then sealing effect will not decay because of the error.Especially
Ground, when prepsetting gap g is 0, the influence of the thickness d of first seal 7 to sealing effect can be ignored substantially.
During first state, it is upward can not only to provide first filter 23 for the first screw thread 242 and the cooperation clamping of the second screw thread 631
The pretightning force of fan housing 1, and it is further close between the space and outside being capable of providing between first filter 23 and motor cabinet 6
Envelope.The mounting structure of this motor cabinet and filter can be effectively prevented from causing during the vibrations of the motor when dust catcher works
Seal failure.Specifically, when dust catcher works, since motor is fixed on motor cabinet 6, so motor cabinet 6 can be in its radial direction
It is shaken on direction and axial direction.Due to will not between 1 and second threaded walls 63 of second end 232 and fan housing of first filter 23
It relatively moves, no matter whether first filter 23 itself deforms upon, the sealing at this will not fail due to vibrations.
When the second end 232 of first filter 23 is tightly connected with fan housing 1,24 upward second seal 7 of end cap.
The second protrusion 243 on end cap 24 squeezes second seal 7, since the second protrusion 243 has slightly pointed top, so can be with bigger
Pressure squeeze second seal 7, be even at least inserted partially into second seal 7, further enhance the effect of sealing.
Second embodiment
In the present embodiment, such as Figure 10, fan housing 1 further includes linkage portion 9, and linkage portion 9 includes being arranged on 1 upstream side of fan housing
Supporter 91 and the trigger member 92 hinged with 91 middle part of supporter, trigger member 92 is in through-hole 11 along its axial movement.Specifically,
Supporter 91 and trigger member 92 are rod-shaped.The first end 911 of supporter 91 is corresponding with the installation site of first filter 23,
The second end 912 of supporter 91 is corresponding with the installation site of the second filter 25.The first end 921 of trigger member 92 passes through pivot
93 are pivotally connected with the middle part of supporter 91, and trigger member on both sides of the middle is arranged with sliding slot 923.11 inner wall of through-hole corresponds to sliding slot 923
Symmetrical third protrusion 111 is extended in position to 11 center of through-hole, and third protrusion 111 coordinates with sliding slot 923, makes trigger member 92 big
Cause is moved axially along through-hole 11.When being fitted without first filter 23 and the second filter 25, under gravity, linkage
Portion 9 declines, and the second end 922 of trigger member 92 is detached from the contact of microswitch or is contacted in not exerting a force, so microswitch without
Method is triggered, then the control device judgement filter of dust catcher is not installed in place all, dust catcher is not allowed to start.Such as figure
11, when only install first filter 23 and the second filter 25 is not installed, the first end 911 of supporter 91 is due to first filter
23 effects for applying upward power F1 are lifted, however the second end 912 of first filter 23 declines due to not stressing, and entirely supports
Lever 91 is only rotated without around pivot 93 makes the whole apparent rising of linkage portion 9, therefore can not touch the contact of microswitch or hold
Continuous to exert a force to it, and then microswitch be triggered, then the control device judgement filter of dust catcher is not installed to all
Position, does not allow dust catcher to start.Situation when only installing the second filter 25 and do not install first filter 23 repeats no more.
Such as Figure 12, when all installations of 23 and second filter of first filter 25, the first end 911 of supporter 91 is due to the first mistake
The effect that filter 23 applies upward power F1 is lifted, and the second end 912 of supporter 91 is upward since the second filter 25 applies
The effect of power F2 is lifted, and then 9 entirety of linkage portion is lifted, and the contact of the touching microswitch of second end 922 of trigger member 92 is simultaneously right
It persistently exerts a force, and the control device judgement filter of dust catcher is all installed in place, and dust catcher is allowed to start.
By above description it can be found that the anti-neglected loading system of dust catcher of the present invention can be simultaneously by a micro-control switch
It realizes that the anti-neglected loading to main filter, prefilter detects, has saved cost；Main filter top and the top of prefilter are real
Now joint driving, controls microswitch, plays effective anti-neglected loading detection；Joint driving mechanism structure is simple, passes through
The joint driving mechanism simplifies the mounting means of main filter and prefilter, while saves space cost, reduces production
The overall volume of product；Elastic sealing element is equipped between microswitch contact and the top of through-hole, which can be used as and pass
Dynamic structure, while play the role of dust-separation again, prevent dust from invading；In addition, in sealing system of the present invention main filter end cap
With motor cabinet close-fitting one, main filter, end cap, filter holder and motor cabinet are relatively fixed two-by-two, therefore during dust catcher work
The vibrations of motor cabinet will not cause the deformation of main filter, and sealing element will not loosen, and ensure leakproofness；The top end face of end cap
A plurality of protrusions and the bottom surface of sealing element abut against, and further improve leakproofness；Prefilter is additionally arranged, can realize pre-filtering
Function, effective protection main filter；Filter holder has inner groovy and external groove, can be simultaneously to main filter and prefilter
It is supported limiting；External groove has elastic component, which can give thrust of the prefilter towards fan housing；External groove has
Ash leakage hole can prevent dust accumulation in time by intrusion dust discharge.
The specific embodiment of the present invention is simultaneously not limited by the description set out above, and those of ordinary skill in the art are according to this hair
Bright Spirit Essence, in all technologies that structure, method or function etc. are formed using equivalents or equivalent transformation
Scheme is all fallen within the claimed scope of the invention.
Claims (11)
1. a kind of dust catcher, including
Nose assembly, the nose assembly include the fan housing being mutually fastened and connected（1）And motor cabinet（6）, the motor cabinet
（6）Including side wall（61）And bottom wall（62）；
Filter assemblies（2）, the filter assemblies（2）With the motor cabinet（6）It is arranged on the fan housing（1）The same side,
The filter assemblies（2）It is arranged on the side wall（61）With the bottom wall（62）Periphery；The filter assemblies（2）From
By having seal clearance between end and the nose assembly（3）, the seal clearance（3）It is interior to be equipped with second seal（7）；
It is characterized in that the filter assemblies（2）Free end and the nose assembly between be equipped with threaded engagement structure, it is described
Threaded engagement respective outer side edges screw to reduce the seal clearance（3）.
2. dust catcher according to claim 1, it is characterized in that, the second seal（7）In the traveling side screwed
Upward thickness is not less than the filter assemblies（2）Free end and the nose assembly between minimum clearance.
3. dust catcher according to claim 1, it is characterized in that, the filter assemblies（2）Free end and the head
One of component includes being arranged on its first circumferential screw thread（242）, wherein it is another including with first screw thread（242）Position
Put the second corresponding and complementary screw thread（631）；First screw thread（242）With second screw thread（631）Cooperation screws to subtract
The small seal clearance（3）.
4. dust catcher according to claim 3, it is characterized in that, first screw thread（242）To be arranged on the filter
Component（2）Free end on the outside of external screw thread；The nose assembly is equipped with to the bottom wall（62）First screw thread of direction extension
Wall（12）, second screw thread（631）To be arranged on first threaded walls（12）The internal thread of inside.
5. dust catcher according to claim 3, it is characterized in that, first screw thread（242）To be arranged on the filter
Component（2）Free end on the inside of internal thread；Second screw thread（631）To be arranged on the side wall（61）The outer spiral shell of outer surface
Line.
6. dust catcher according to claim 5, it is characterized in that, the side wall（61）Far from the bottom wall（62）One end set
There are the second threaded walls（63）, second screw thread（631）To be arranged on second threaded walls（63）The external screw thread of outer surface.
7. dust catcher according to claim 6, it is characterized in that, second threaded walls（63）In motor cabinet（6）Radial direction
On protrude from the side wall（61）.
8. dust catcher according to claim 3, it is characterized in that, the filter assemblies（2）Free end towards the machine
The side of head assembly is equipped with the second protrusion（243）.
9. dust catcher according to claim 3, it is characterized in that, the filter assemblies（2）Free end be equipped with it is described
Filter assemblies（2）The end cap being fastened and connected（24）, the end cap（24）Inner or outer side be equipped with the first screw thread
（242）, the end cap（24）The second protrusion is equipped with towards the side of the nose assembly（243）.
10. dust catcher according to claim 1, it is characterized in that, the filter assemblies（2）Including filter holder（21）With
First filter（23）, the first filter（23）First end（231）With the filter holder（21）It is fastened and connected.
11. a kind of assemble method of the dust catcher as described in claim 1 ~ 10 any one, includes the following steps：By the filtering
Device assembly（2）The motor cabinet is covered on from one end far from the nose assembly（6）Periphery, make the threaded engagement structure phase
It should；Rotate the filter assemblies（2）, the threaded engagement structure is screwed, makes the filter assemblies（2）Free end and institute
It states nose assembly and compresses the second seal（7）.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/114537 WO2018099489A1 (en) | 2016-12-01 | 2017-12-05 | Vacuum cleaner |
| EP17877042.6A EP3549504B1 (en) | 2016-12-01 | 2017-12-05 | Vacuum cleaner |
| US16/465,279 US20230190058A1 (en) | 2016-12-01 | 2017-12-05 | Vacuum cleaner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087795X | 2016-12-01 | ||
| CN201611087795 | 2016-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108125615A true CN108125615A (en) | 2018-06-08 |
Family
ID=59937596
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360293.5U Active CN206924038U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201621360291.6U Active CN206534591U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201611139125.8A Pending CN108125617A (en) | 2016-12-01 | 2016-12-12 | Filter holder, the filter assemblies and dust catcher for including it |
| CN201621360292.0U Active CN206612747U (en) | 2016-12-01 | 2016-12-12 | A kind of sealing structure and the dust catcher including it |
| CN201611139122.4A Pending CN108125615A (en) | 2016-12-01 | 2016-12-12 | Dust catcher and its assemble method |
| CN201621360294.XU Active CN206612748U (en) | 2016-12-01 | 2016-12-12 | Filter holder including its filter assemblies and dust catcher |
| CN201611139114.XA Pending CN108125616A (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360293.5U Active CN206924038U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201621360291.6U Active CN206534591U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201611139125.8A Pending CN108125617A (en) | 2016-12-01 | 2016-12-12 | Filter holder, the filter assemblies and dust catcher for including it |
| CN201621360292.0U Active CN206612747U (en) | 2016-12-01 | 2016-12-12 | A kind of sealing structure and the dust catcher including it |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360294.XU Active CN206612748U (en) | 2016-12-01 | 2016-12-12 | Filter holder including its filter assemblies and dust catcher |
| CN201611139114.XA Pending CN108125616A (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
Country Status (1)
| Country | Link |
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| CN (7) | CN206924038U (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108606722A (en) * | 2016-12-12 | 2018-10-02 | 天佑电器（苏州）有限公司 | A kind of sealing structure and the dust catcher including it |
| WO2018099489A1 (en) * | 2016-12-01 | 2018-06-07 | 天佑电器（苏州）有限公司 | Vacuum cleaner |
| CN206924038U (en) * | 2016-12-01 | 2018-01-26 | 天佑电器（苏州）有限公司 | Dust catcher |
| CN209107206U (en) * | 2018-03-31 | 2019-07-16 | 天佑电器（苏州）有限公司 | Box combination tool |
| WO2020047303A1 (en) * | 2018-08-30 | 2020-03-05 | Irobot Corporation | Control of evacuation stations |
| CN112205921B (en) * | 2019-07-09 | 2021-11-12 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner |
| CN112274060A (en) * | 2020-11-11 | 2021-01-29 | 追创科技(苏州)有限公司 | Dust catcher filter core neglected loading detection mechanism and dust catcher |
| WO2022100558A1 (en) * | 2020-11-11 | 2022-05-19 | 追觅创新科技(苏州)有限公司 | Neglected installation detection mechanism for filter elements of dust collector and dust collector |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN206534591U (en) | 2017-10-03 |
| CN108125616A (en) | 2018-06-08 |
| CN206924038U (en) | 2018-01-26 |
| CN206612747U (en) | 2017-11-07 |
| CN206612748U (en) | 2017-11-07 |
| CN108125617A (en) | 2018-06-08 |
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