CN206924038U - Dust catcher - Google Patents
Dust catcher Download PDFInfo
- Publication number
- CN206924038U CN206924038U CN201621360293.5U CN201621360293U CN206924038U CN 206924038 U CN206924038 U CN 206924038U CN 201621360293 U CN201621360293 U CN 201621360293U CN 206924038 U CN206924038 U CN 206924038U
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- China
- Prior art keywords
- filter
- screw thread
- dust catcher
- filter assemblies
- motor cabinet
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 70
- 230000000712 assembly Effects 0.000 claims abstract description 49
- 238000000429 assembly Methods 0.000 claims abstract description 49
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 27
- 238000009434 installation Methods 0.000 description 17
- 238000011144 upstream manufacturing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 7
- 238000011045 prefiltration Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of dust catcher, including nose assembly, and 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 there is seal clearance（3）, the seal clearance（3）It is interior to be provided with second seal（7）；The filter assemblies（2）Free end and the nose assembly between be provided with threaded engagement structure, the threaded engagement respective outer side edges are screwed to reduce the seal clearance（3）.
Description
Technical field
It the utility model is related to a kind of dust catcher, more particularly to a kind of dust catcher with sealing structure.
Background technology
The application of dust catcher is relatively broad, its it is higher to seal request, it is necessary to prevent dust invade motor chamber, once it is grey
Dirt intrusion is internal to be impacted to 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 of filter 3 ' is removably sealingly mounted on filter holder 21 ', filter
Seal 7 ' is provided between 3 ' top and fan housing 1 ', the outer of motor cabinet 6 ', generally use bolt is in the bottom of motor cabinet 6 '
Motor cabinet 6 ' and filter holder 21 ' are fastenedly connected, and gives filter holder 21 ' and necessarily upwards pressure, is made under filter 3 '
Compress between end and filter holder 21 ', and then compressed between the outer of motor cabinet 6 ', fan housing 1 ' and the upper end of filter 3 ', realized
Sealing.In the prior art, the seal preload between motor cabinet 6 ', fan housing 1 ', filter 3 ' and filter holder 21 ' is complete
There is provided by bottom bolts 61 '.But, motor cabinet 6 ' can shake with the vibrations of motor, lead. due to dust catcher in the course of the work
Filter 3 ' is caused to deform upon, so as to cause the sealing between the top of filter 3 ' and the outer of motor cabinet 6 ', fan housing 1 ' to loosen, or
Sealing between the bottom of filter 3 ' and filter holder 21 ' loosens, the problem of producing seal failure, and dust can invade inside, right
Equipment produces damage, reduces service life.Further, since the sealing of above-mentioned dust catcher includes multiple mating surfaces, any one
Mating face seal fails, and will result in the seal failure of whole dust catcher.
The content of the invention
The purpose of this utility model is solve the defects of prior art is present, there is provided a kind of dust suction for avoiding seal failure
Device.
Technical solution of the present utility model is a kind of dust catcher, including nose assembly, and the nose assembly includes phase
The fan housing and motor cabinet being mutually fastened and connected, the motor cabinet include side wall and bottom wall；Filter assemblies, the filter group
Part and the motor cabinet are arranged on the same side of the fan housing, and the filter assemblies are arranged on the side wall and the bottom wall
Periphery；There is seal clearance between the free end of the filter assemblies and the nose assembly, be provided with the seal clearance
Second seal；Threaded engagement structure, the spiral are provided between the free end of the filter assemblies and the nose assembly
Fit structure, which coordinates, to be screwed to reduce the seal clearance.
Further, thickness of the second seal on the direct of travel screwed is not less than the filter group
Minimum clearance between the free end of part and the nose assembly.
Further, one of the free end of the filter assemblies and the nose assembly include being arranged on its circumference
The first screw thread, wherein another including second screw thread corresponding and complementary to first screw position；First screw thread with
Second screw thread, which coordinates, to be screwed to reduce the seal clearance.
Further, first screw thread is to be arranged on the external screw thread on the outside of the free end of the filter assemblies；It is described
Nose assembly is provided with the first threaded walls extended to the bottom wall direction, and second screw thread is to be arranged on first threaded walls
The internal thread of inner side.
Further, first screw thread is to be arranged on the internal thread 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 away from the bottom wall is provided 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 provided with the second convex portion towards the side of the nose assembly.
Further, the free end of the filter assemblies is provided with the end being fastened and connected with the filter assemblies
Lid, the inner or outer side of the end cap are provided with the first screw thread, and the end cap is convex provided with second towards the side of the nose assembly
Portion.
Further, the filter assemblies include filter holder and first filter, and the first of the first filter
End is fastened and connected with the filter holder.
The utility model further relates to a kind of assemble method of above-mentioned dust catcher, comprises the following steps：By the filter group
Part covers on the periphery of the motor cabinet from one end away from the nose assembly, makes the threaded engagement structure corresponding；Rotation institute
Filter assemblies are stated, screw the threaded engagement structure, the free end and the nose assembly for making the filter assemblies compress
The second seal.
After implementing technical solutions of the utility model, its significant technological progress is as described below：The end cap of filter and electricity
Support close-fitting one, filter, end cap, filter holder and motor cabinet are relatively fixed two-by-two, therefore motor cabinet during dust catcher work
Vibrations will not cause the deformation of filter, seal will not loosen, and ensure sealing；The top end face of end cap it is raised with it is close
The bottom surface of sealing abuts against, and further increases sealing；Sealing mating surface of the present utility model is only focusing only on filter end
Lid, the second threaded walls and fan housing, reduce the quantity of sealing mating surface, not only enormously simplify assembling process, and improve
The stability and reliability of integral sealing.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of embodiment of dust catcher of the present utility model；
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 utility model；
Fig. 5 is the schematic diagram and partial enlargement of filter holder in the utility model；
Fig. 6 is the schematic diagram of end cap in the utility model；
Fig. 7 is the C-C profiles in Fig. 6；
Fig. 8 is a kind of schematic diagram of embodiment of ash leakage hole and inclined-plane in the utility model；
Fig. 9 is ash leakage hole and the schematic diagram of another embodiment in inclined-plane in the utility model；
Figure 10 is the schematic diagram for not installing filter in dust catcher another embodiment of the present utility model；
Figure 11 is the schematic diagram that a filter is only installed in dust catcher another embodiment of the present utility model；
Figure 12 is the schematic diagram that two filters are installed in dust catcher another embodiment of the present utility model.
Figure 13 is the connected mode of filter holder and motor cabinet in the prior art；
Figure 14 is nose assembly and one embodiment of filter assemblies connected mode in the utility model；
Figure 15 is nose assembly and another embodiment of filter assemblies connected mode in the utility model；
Figure 16 is nose assembly and the further embodiment of filter assemblies connected mode in the utility model.
In above-mentioned accompanying drawing, 1- fan housings；11- through holes；The convex portions of 111- the 3rd；121- elastic arms；1211- pressure heads；The spiral shells of 12- first
Line wall；2- filter assemblies；21- filter holders；The installation portions of 211- first；The installation portions of 212- second；2121- ash leakage holes；2122-
Shell fragment；2123- inclined-planes；23- first filters；The first end of 231- first filters；Second end of 232- first filters；
24- end caps；The convex portions of 241- first；The screw threads of 242- first；The convex portions of 243- second；The high male members of 2431-；The low male members of 2432-；25-
Tow filtrator；The first end of the filters of 251- second；Second end of the filters of 252- second；2531- the first bound edge parts；2532-
Second bound edge part；3- seal clearances；Covered on 41-；42- covers；5- state sensors；52- first seals；6- motor cabinets；61-
Side wall；62- bottom walls；The threaded walls of 63- second；The screw threads of 631- second；632- flanges；7- second seals；8- vacuum generators；9-
Linkage portion；91- supporters；The first end of 911- supporters；Second end of 912- supporters；92- trigger member；921- trigger member
First end；Second end of 922- trigger member；923- chutes.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail, so that of the present utility model
Technical scheme is more readily understood and grasped.
The utility model provides a kind of dust catcher with twinfilter, including dirty air entrance (not shown), cleaning sky
Gas exports (not shown) and the air channel being arranged between dirty air entrance and clean air outlet, and vacuum generator is provided with air channel
8, specifically, vacuum generator 8 is impeller motor.The upstream of vacuum generator 8 is provided with first filter 23, specifically, first
Filter is HEPA filter cores.The upstream of first filter 23 is provided with the second filter 25, and specifically, the second filter 25 is iron
Guard.Such as Fig. 1, in this embodiment, it is empty that dust catcher also includes fan housing 1, filter holder 21, motor cabinet 6 including cleaning
The upper lid 41 of gas outlet includes the storage dust barrel (not shown) and cover 42 of dirty air entrance.Wherein, vacuum generator 8 is arranged on
Inside motor cabinet 6, motor cabinet 6 includes side wall 61 and the bottom wall 62 being connected with the one end of side wall 61, in the present embodiment, side wall 61
It is formed in one with bottom wall 62.Bottom wall 62 is provided with motor air inlet, and the one end of side wall 61 away from bottom wall 62 has the second threaded walls
63.Second 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 side wall 61
Internal diameter, in this way, when first filter 23 is arranged on 6 periphery of motor cabinet, in the side wall 61 and first filter 23 of motor cabinet 6
An air channel can be formed between side.Second one end of threaded walls 63 away from bottom wall 62 is provided with and outward extends flange 632.Electricity
Support 6 is securedly mounted to the bottom of fan housing 1, i.e., be fastenedly connected between the second threaded walls 63 and fan housing 1；Upper lid 41 is arranged on fan housing 1
Top, filter holder 21 are arranged on the bottom of motor cabinet bottom wall 62, and the filter 25 of first filter 23 and second is arranged on motor cabinet
Between the filter holder 21 and fan housing 1 in the outside of side wall 61, and first filter 23 is in the inner side of the second filter 25, storage dust barrel peace
The lower section of the outer of fitted tube lid 42；The flange 632 of motor cabinet 6 is folded between the interior edge of cover 42 and fan housing, cover 42 and fan housing 1
Between be fastenedly connected by screw, in addition, be additionally provided between motor cabinet 6 and fan housing seal or set sealing structure, make electricity
It is fastened and connected between support 6 and the three of fan housing 1.In said structure, in the presence of vacuum generator 8, dirty air is from dirty
Air intake enters storage dust barrel, and passes sequentially through the second filter 25 and first filter 23, the second filter 25 along path H1
Thick dust impurity is intercepted, first filter 23 further intercepts more very thin dust impurity；Intercepted by filter
Dust impurity is trapped in storage dust barrel, and clean air is along path H2, from first filter 23 via filter holder 21 and motor cabinet 6
Between air channel reach the motor air inlet of motor cabinet 6 bottom, then enter the inside that motor cabinet 6 and fan housing 1 limit along path H3
Space, then the space limited via fan housing 1 and upper lid 41, are finally discharged from clean air outlet.In this embodiment,
Dust catcher also includes a state sensor 5.During first state, the filter 25 of first filter 23 and second joint triggering state
Inductor 5；During the second state, the filter 25 of first filter 23 and second is not combined, and state sensor 5 does not trigger.In this reality
In new, the fan housing 1 and motor cabinet 6 that are mutually fastened and connected constitute nose assembly, and certainly, nose assembly also includes upper
Lid 41, cover 42, vacuum generator 8 etc.；The first filter 23 and filter holder 21 being mutually fastened and connected constituted
Filter module, certainly, filter assemblies also include the second filter 25, end cap 24 etc..
The outer of fan housing 1 is provided 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.The corresponding through hole 11 of state sensor 5 is set.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 provided with the convex wall to the extension of the top of fan housing 1, and the convex wall forms a microswitch holding tank, fine motion
Switch is arranged in the holding tank with the downward state in contact, makes its contact towards through hole.
For convenience of description, the orientation restriction in utility model is made and is defined as below.First, using above-mentioned air flow as base
Standard, " upstream " is defined as close to the direction of dirty air entrance, is defined as in " downstream " close to the direction of clean air outlet, such as
In said 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
One side be referred to as upstream face, be referred to as downstream face away from the one side of the second filter 25.Second, with the longitudinal axis of vacuum generator 8
On the basis of line, it is referred to as " interior " close to 8 longitudinal axially direction of vacuum generator, the side of the longitudinal axis away from vacuum generator 8
To " outer " is referred to as, such as in said structure, first filter 23 is arranged on the inner side of the second filter 25, and first filter 23 is leaned on
The one side of nearly second filter 25 is referred to as its lateral surface.3rd, alleged in the utility model " on " " under " it is in description accompanying drawing
Relative bearing.
First embodiment
In the present embodiment, such as Fig. 2~Fig. 9, through hole 11 is interior to be provided with elastic arm 121.One end of elastic arm 121 is provided 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 embodiment party
In formula, pressure head 1211 is protruding upward；The other end of elastic arm 121 is connected with the inwall of through hole 11, specifically, elastic arm 121 and fan housing
1 is integrally formed, because elastic arm 121 is as elastomeric material, so pressure head 1211 can move up and down along the axial direction of through hole 11.Tool
Body, when being under pressure, pressure head 1211 moves along pressure direction；During pressure releases, pressure head 1211 is multiple in the presence of elastic arm 121
Position.In further embodiments, the inwall elasticity of elastic arm 121 and through hole 11 is pivotally connected.
In the present embodiment, first seal 52 is provided between microswitch and through hole 11.Specifically, first seal
52 be elastomeric material, is arranged between microswitch contact and pressure head 1211.Further, first seal 52 is substantially in flat
Tabular, it is filled in microswitch holding tank, through hole 11 is sealed.When the stress of pressure head 1211 towards microswitch contact move,
First seal 52 is oppressed, at least local elastic deformation occurs for first seal 52 itself, and elastic deformation part compressing is micro-
Dynamic switch contact, triggers microswitch；When the stress of pressure head 1211 cancels, pressure head 1211 separates with first seal 52, and first
Seal 52 restores to the original state and released with microswitch contact separation, microswitch triggering.The setting of first seal 52, both rose
To gearing, and can effectively seals through hole 11, prevents dust from entering microswitch and causing microswitch to damage, plays again
Gearing.
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 is provided with the first installation portion 211, and specifically, the first installation portion 211 is groove, and the first of first filter 23
End 231 is inserted in the first installation portion 211 with interference.In further embodiments, the first end 231 and mistake of first filter 23
Fixed between filter support 21 using adhesive sealing.In further embodiments, the first end 231 and mistake of first filter 23
Fixed between filter support 21 using helicitic texture sealing.In further embodiments, the first end 231 of first filter 23 with
Filter holder 21 is integrally formed.The upstream side at the second end 232 of first filter 23 is provided with the first convex portion 241.In this embodiment party
In formula, the second end 232 of first filter 23 is provided with end cap 24, and end cap 24 wraps up the second end 232 of first filter 23.Specifically
Connected between second end 232 of ground, end cap 24 and first filter 23 by adhesive.In further embodiments, end cap 24
It is formed in one with the second end 232 of first filter 23.The first convex portion 241 is provided with the upstream side of end cap 24, in end cap 24
Downstream be provided with the first screw thread 242, be provided with the side of first end 231 of the end cap 24 away from first filter 23 second convex
Portion 243, specifically, the second convex portion 243 have slightly pointed end.In further embodiments, the second convex portion 243 includes at least one
High male member 2431 and at least one low male member 2432, wherein the height of high male member 2431 is more than low male member 2432.In other realities
Apply in example, the second convex portion 243 includes the high male member 2431 and low male member 2432 from upstream side to downstream successively.At other
In embodiment, the second convex portion 243 includes the low and of male member 2432 of one high male member 2431, two successively from upstream side to downstream
One high male member 2431.The setting of above-mentioned second convex portion 243, can be after the high wear out failure of male member 2431 in upstream side, by low convex
Part 2432 then works.
The outer of filter holder 21 is provided with the second installation portion 212, and specifically, the second installation portion 212 is arranged on the first installation
The upstream side in portion 211.In the present embodiment, the second installation portion 212 is the groove that bottom is provided with least one ash leakage hole 2121.
The dust impurity intercepted by the second filter 25 falls into the groove of the second installation portion 212, and falls into dust by ash leakage hole 2121
In bucket, the accumulation of dust impurity is avoided.In the present embodiment, inclined-plane 2123 is provided between two neighboring ash leakage hole 2121.
The middle part highest between two neighboring ash leakage hole 2121, it is downward towards ash leakage hole 2121 in the highest on both sides of the middle such as Fig. 8
Inclined inclined-plane 2123.In further embodiments, such as Fig. 9, the one side highest of ash leakage hole 2121, another side is minimum,
That is between two neighboring ash leakage hole 2121, tilt down to form inclined-plane from an ash leakage hole towards another ash leakage hole
2123.Inclined-plane 2123 is set between ash leakage hole 2121, makes to fall effect of the dust impurity in the second installation portion 212 in gravity
It is lower to be moved to ash leakage hole, further prevent the accumulation of dust impurity.In the present embodiment, at least one ash leakage hole 2121
Provided with acclivitous shell fragment 2122, the pretightning force upward to the second filter 25 in the second installation portion 212.
In the present embodiment, the first end 251 of the second filter 25 is provided with the first bound edge part 2531, the second filter 25
The second end 252 be provided 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 being damaged to the miscellaneous part of dust catcher, and and can plays certain sealing and made
With.
During first state, the 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 installation portion 212, the second end 252 insertion through hole 11 of the second filter 25, and first
Convex portion 241 and through hole 11 jack up pressure head upwards at spacing second end 252 of the second filter 25 of radial direction of through hole 11
1211, pressure head 1211 is given first seal 52 1 and upwarded pressure, and makes first seal 52 that elastic deformation locally occur, should
Microswitch contact is withstood upwards in elastically-deformable part.Now, the control device of dust catcher judges that filter is all installed to
Position, it is allowed to which dust catcher starts.
If only it is mounted with first filter 23 and the second filter 25 is not installed, due to the limitation of said structure so that
Microswitch can not be triggered, then the control device of dust catcher judges that filter 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 set to lack lower support,
And then microswitch can not be triggered, then the control device of dust catcher judges that filter 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 referred to as the second state.
The utility model additionally provides the connected mode of nose assembly and filter assemblies 2, as shown in Figure 14~Figure 16.By
There is substantially symmetric structure in dust catcher under normal circumstances, illustrate only dust catcher one for simplicity, in Figure 14~Figure 16
Half diagrammatic cross-section, the nose assembly in figure illustrate only the fan housing 1 and motor cabinet 6 being mutually fastened and connected, filter
Component 2 is shown as an entirety.In the present embodiment, filter assemblies 2 are arranged on the same side of fan housing 1 with motor cabinet 6,
Filter assemblies 2 are 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
There is seal clearance 3 between the free end of component 2 and nose assembly.The free ends of filter assemblies 2 and nose assembly wherein it
One includes being arranged on its first circumferential screw thread 242, wherein another including corresponding and complementary to the position of the first screw thread 242 second
Screw thread 631.First screw thread 242 and the second screw thread 631 define the fastening between the free end of filter assemblies 2 and nose assembly
Path.When the first screw thread 242 and the second screw thread 631, which coordinate, to be screwed, the free ends of filter assemblies 2 is along the direct of travel screwed
T moves closer to nose assembly, and direction T is perpendicular to helicoid and substantially axially in parallel with dust catcher, seal clearance 3 is gradually subtracted
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, it is minimum clearance.Second seal 7 is set in seal clearance 3, and second seal 7 exists
The thickness on direct of travel screwed is not less than the minimum clearance.
In one embodiment, the first screw thread 242 is to be arranged on the external screw thread on the outside of the free end of filter assemblies 2；
Nose assembly is provided with the first threaded walls 12 extended to the direction of bottom wall 62, and the second screw thread 631 is to be 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 outer rim that the first threaded walls 12 are stretched out by the one end of the side wall 61 of motor cabinet 6 away from bottom wall 62 extends downwardly, and such as schemes
15.In the present embodiment, the external 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 external 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 the outside of side wall 61 of motor cabinet 6
In the corresponding and complementary additional external screw thread in additional internal thread position, it can further strengthen fastening and sealing effectiveness.
In another embodiment, the first screw thread 242 is to be arranged on the interior spiral shell 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 the outer surface of side wall 61, as shown in figure 16.In the present embodiment, motor cabinet 6
The internal diameter of external diameter and filter assemblies 2 of side wall 61 be adapted, specifically, the external diameter of the side wall 61 of motor cabinet 6 was not more than
The internal diameter of filter module 2.
Specifically, as Fig. 1~Fig. 2, the second screw thread 631 are 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 carrying out the installation of dust catcher, by filter assemblies 2
The periphery of motor cabinet 6 is covered on from one end away from the second threaded walls 63, and makes the first screw thread 242 relative with the second screw thread 631
Should；Rotating filter device assembly 2, the first screw thread 242 and the second screw thread 631 fasten mating along the direct of travel T screwed, make end cap 24
Second seal 7 is compressed with fan housing 1.Especially, thickness of the second seal 7 on the direct of travel T screwed is not less than end
Minimum clearance between lid 24 and fan housing 1.That is, the first screw thread 242 and the second screw thread 631 are in the direct of travel T screwed
On when screwing completely, prepsetting gap g between end cap 24 and fan housing 1 be present, thickness of the second seal 7 in fastening direction is d,
Then d >=g.In this way, the degree that screws of the sealing effectiveness 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, and second seal 7 is held tighter, is entered
And sealing effectiveness is better.Moreover, when the thickness or miscellaneous part of second seal 7 have certain foozle, as long as the
One screw thread 242 and the second screw thread 631 clamp second seal 7, then sealing effectiveness 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 effectiveness can be ignored substantially.
During first state, the first screw thread 242 and the second screw thread 631 coordinate clamping, and it is upward can not only to provide first filter 23
The pretightning force of fan housing 1, and can provide further close between space and outside between first filter 23 and motor cabinet 6
Envelope.The mounting structure of this motor cabinet and filter, can be effectively prevented from when dust catcher works motor vibrations and caused by
Seal failure.Specifically, when dust catcher works, because motor is fixed on motor cabinet 6, so motor cabinet 6 can be in its radial direction
Shaken on direction and axial direction.Due to will not between the second end 232 of first filter 23 and the threaded walls 63 of fan housing 1 and second
Relatively move, no matter whether first filter 23 itself deforms upon, the sealing at this will not fail because of vibrations.
When the second end 232 of first filter 23 is tightly connected with fan housing 1, the upward second seal 7 of end cap 24.
The second convex portion 243 extruding second seal 7 on end cap 24, because the second convex portion 243 has slightly pointed top, so can be with bigger
Pressure extruding second seal 7, be even at least inserted partially into second seal 7, further enhancing the effect of sealing.
Second embodiment
In the present embodiment, such as Figure 10, fan housing 1 also includes linkage portion 9, and linkage portion 9 includes being arranged on the upstream side of fan housing 1
Supporter 91 and the trigger member 92 be hinged with the middle part of supporter 91, trigger member 92 is in its axial movement of the interior edge of through hole 11.Specifically
Ground, supporter 91 and trigger member 92 are shaft-like.The first end 911 of supporter 91 is relative with the installation site of first filter 23
Should, 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
The middle part of pivot 93 and supporter 91 is pivotally connected, and trigger member on both sides of the middle is arranged with chute 923.The inwall of through hole 11 corresponds to chute
Symmetrical 3rd convex portion 111 is extended in 923 position to the center of through hole 11, and the 3rd convex portion 111 coordinates with chute 923, makes triggering
Part 92 moves axially approximately along through hole 11.When being fitted without first filter 23 and the second filter 25, in the effect of gravity
Under, linkage portion 9 declines, and the second end 922 of trigger member 92 departs from the contact of microswitch or contacted in not exerting a force, and then fine motion
Switch can not be triggered, then the control device of dust catcher judges that filter is not installed in place all, does not allow dust catcher to start.
Such as Figure 11, the second filter 25 is not installed when only installing first filter 23, the first end 911 of supporter 91 is due to the first mistake
The effect that filter 23 applies upward power F1 is lifted, but the second end 912 of first filter 23 declines due to not stressing,
Whole supporter 91 only rotates without around pivot 93 makes the overall obvious rising of linkage portion 9, therefore can not touch touching for microswitch
Point persistently exerts a force to it, and then microswitch can not be triggered, then the control device of dust catcher judges filter without all
It is installed in place, does not allow dust catcher to start.Situation when only installing the second filter 25 and do not install first filter 23 is not
Repeat again.Such as Figure 12, when all installations of 23 and second filter of first filter 25, the first end 911 of supporter 91 due to
The effect that first filter 23 applies upward power F1 is lifted, and the second end 912 of supporter 91 applies due to the second filter 25
Upward power F2 effect is lifted, and then the entirety of linkage portion 9 is lifted, and the second end 922 touching microswitch of trigger member 92 touches
Point simultaneously judges that filter is all installed in place to its lasting force, the control device of dust catcher, it is allowed to which dust catcher starts.
By above description it can be found that the anti-neglected loading system of the utility model dust catcher passes through a micro-control switch
The anti-neglected loading detection to main filter, prefilter is realized simultaneously, has saved cost；Main filter top and the top of prefilter
Joint driving is realized at end, and microswitch is controlled, and plays effective anti-neglected loading detection；Joint driving mechanism structure is simple,
The mounting means of main filter and prefilter is simplified by the joint drive mechanism, while saves space cost, is reduced
The overall volume of product；Elastic sealing element is provided between microswitch contact and the top of through hole, the elastic sealing element can be made
For drive mechanism, while play a part of dust-separation again, prevent dust from invading；In addition, main filtering in the utility model sealing system
The end cap of device and motor cabinet close-fitting one, main filter, end cap, filter holder and motor cabinet are relatively fixed two-by-two, therefore dust suction
The vibrations of motor cabinet will not cause the deformation of main filter when device works, and seal will not loosen, and ensure sealing；End cap
A plurality of raised bottom surfaces with seal of top end face abut against, and further increase sealing；Prefilter is additionally arranged, can be real
Existing pre-filter function, effectively protects main filter；Filter holder has inner groovy and external groove, can simultaneously to main filter and
Prefilter is supported spacing；The flexible part of external groove, the elastic component can give thrust of the prefilter towards fan housing；Outside
Groove has ash leakage hole, can prevent laying dust in time by intrusion dust discharge.
Specific embodiment of the present utility model is simultaneously not limited by the description set out above, one of ordinary skill in the art's foundation
Spirit Essence of the present utility model, formed in structure, method or function etc. using equivalents or equivalent transformation
All technical schemes, all fall within the utility model requires protection scope.
Claims (10)
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 there is seal clearance between end and the nose assembly（3）, the seal clearance（3）It is interior to be provided with second seal（7）；
It is characterized in that the filter assemblies（2）Free end and the nose assembly between be provided with threaded engagement structure, it is described
Threaded engagement respective outer side edges are screwed 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 is screwed 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 provided 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 inner side.
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）Away 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 provided with the second convex portion（243）.
9. dust catcher according to claim 3, it is characterized in that, the filter assemblies（2）Free end be provided with it is described
Filter assemblies（2）The end cap being fastened and connected（24）, the end cap（24）Inner or outer side be provided with the first screw thread
（242）, the end cap（24）The second convex portion is provided 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.
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 |
|---|---|
| CN206924038U true CN206924038U (en) | 2018-01-26 |
Family
ID=59937596
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139122.4A Pending CN108125615A (en) | 2016-12-01 | 2016-12-12 | Dust catcher and its assemble method |
| CN201621360293.5U Active CN206924038U (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 |
| CN201611139114.XA Active CN108125616B (en) | 2016-12-01 | 2016-12-12 | Dust collector |
| CN201621360291.6U Active CN206534591U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201621360294.XU Active CN206612748U (en) | 2016-12-01 | 2016-12-12 | Filter holder including its filter assemblies and dust catcher |
| CN201621360292.0U Active CN206612747U (en) | 2016-12-01 | 2016-12-12 | A kind of sealing structure and the dust catcher including it |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139122.4A Pending CN108125615A (en) | 2016-12-01 | 2016-12-12 | Dust catcher and its assemble method |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139125.8A Pending CN108125617A (en) | 2016-12-01 | 2016-12-12 | Filter holder, the filter assemblies and dust catcher for including it |
| CN201611139114.XA Active CN108125616B (en) | 2016-12-01 | 2016-12-12 | Dust collector |
| CN201621360291.6U Active CN206534591U (en) | 2016-12-01 | 2016-12-12 | Dust catcher |
| CN201621360294.XU Active CN206612748U (en) | 2016-12-01 | 2016-12-12 | Filter holder including its filter assemblies and dust catcher |
| CN201621360292.0U Active CN206612747U (en) | 2016-12-01 | 2016-12-12 | A kind of sealing structure and the dust catcher including it |
Country Status (1)
| Country | Link |
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| CN (7) | CN108125615A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108125615A (en) * | 2016-12-01 | 2018-06-08 | 天佑电器（苏州）有限公司 | Dust catcher and its assemble method |
| CN109077656A (en) * | 2018-03-31 | 2018-12-25 | 天佑电器（苏州）有限公司 | Box combination tool |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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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| 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 |
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2016
- 2016-12-12 CN CN201611139122.4A patent/CN108125615A/en active Pending
- 2016-12-12 CN CN201621360293.5U patent/CN206924038U/en active Active
- 2016-12-12 CN CN201611139125.8A patent/CN108125617A/en active Pending
- 2016-12-12 CN CN201611139114.XA patent/CN108125616B/en active Active
- 2016-12-12 CN CN201621360291.6U patent/CN206534591U/en active Active
- 2016-12-12 CN CN201621360294.XU patent/CN206612748U/en active Active
- 2016-12-12 CN CN201621360292.0U patent/CN206612747U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108125615A (en) * | 2016-12-01 | 2018-06-08 | 天佑电器（苏州）有限公司 | Dust catcher and its assemble method |
| CN109077656A (en) * | 2018-03-31 | 2018-12-25 | 天佑电器（苏州）有限公司 | Box combination tool |
| CN109077656B (en) * | 2018-03-31 | 2024-05-03 | 天佑电器（苏州）有限公司 | Box type combined tool |
| 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 |
| CN112274060B (en) * | 2020-11-11 | 2024-07-19 | 追创科技(苏州)有限公司 | Dust collector filter core neglected loading detection mechanism and dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206534591U (en) | 2017-10-03 |
| CN206612748U (en) | 2017-11-07 |
| CN108125617A (en) | 2018-06-08 |
| CN108125616A (en) | 2018-06-08 |
| CN108125616B (en) | 2024-06-14 |
| CN108125615A (en) | 2018-06-08 |
| CN206612747U (en) | 2017-11-07 |
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