CN209153418U - A kind of hand-held cleaning device - Google Patents

Abstract

Application discloses a kind of hand-held cleaning device, belongs to household appliance technical field.The hand-held cleaning device, including air-flow generating unit and handle, which is characterized in that airflow channel is equipped in the handle, the airflow channel upstream is communicated with air-flow generating unit air stream outlet, and the airflow channel downstream is communicated with outside.The air outlet of the lower end of the handle of the hand-held cleaning device is diffusion structure, and the diameter of air outlet becomes larger, increases the area of air outlet, reduce air velocity, reduce out wind resistance and wind noise；The setting of the air channel structure of the hand-held cleaning device is so that the windage of air outlet is small, and the direction of the air-flow blown out will not be directly blown into user, and user experience is good；It is safer that ground wire connection is arranged in handle, and the connecting line of ground wire is not easy to wear in handle.

Description

A kind of hand-held cleaning device

Technical field

This application involves a kind of cleaning devices, and in particular to a kind of hand-held cleaning device belongs to household appliance technical field.

Background technique

Vacuum cleaner is one of product of modern development in science and technology, brings very big convenience to our life, is doing Housework is more light during either working.The dust suction principle of vacuum cleaner are as follows: utilize motor band movable vane piece high speed Rotation generates air negative pressure in the shell of sealing, draws dust, and the dust of absorption is separated by being segregated into dust compartment Dust catcher is discharged in the air of dust.

US20170215663A1 discloses a kind of dust catcher, the air-flow of dust catcher disclosed in this application after battery from Handle excludes, which has biggish gas-flow resistance；The air-flow of dust catcher in some embodiments is flowed out from handle Direction is to flow out perpendicular to air outlet plate, which directly blows to the dust that ground is easily blown afloat on ground, works as dust catcher Be placed on plane using when fraction be back to handle gas outlet and increase wind resistance out；Dust catcher in some embodiments Handle gas outlet air airflow direction is horizontal direction, directly blows to user, reduces user experience.

Summary of the invention

According to the one aspect of the application, a kind of hand-held cleaning device, the handle of the hand-held cleaning device are provided The diameter of downstream opening of outlet air become larger, increase the area of air outlet, reduce air velocity, reduce out wind resistance and Wind noise.

The hand-held cleaning device, including air-flow generating unit and handle, which is characterized in that gas is equipped in the handle Circulation road, the airflow channel upstream are communicated with air-flow generating unit air stream outlet, and the airflow channel downstream is communicated with outside.

As an implementation, the hand-held cleaning device further includes that sucking unit, separator and air-flow occur Unit sucks unit, has air intake vent, and air-flow enters from air intake vent；Separator is separated from the air-flow that sucking unit enters Waste；Air-flow generating unit generates air-flow, and the air-flow is along the sucking unit, separator, flow generator and handle Flowing.The sucking unit, separator, air-flow generating unit, handle and exhaust structure are sequentially communicated.

Optionally, the hand-held cleaning device further includes exhaust structure, and the exhaust structure internal structure has exhaust slow Room is rushed, the handle upper end is connected with air-flow generating unit, and the handle, at its lower end is connected with the exhaust structure, in the handle Airflow channel is connected to exhaust surge chamber, and the air outlet of the handle has the first cross-sectional area, and the exhaust surge chamber has Second cross-sectional area, second cross-sectional area are greater than first cross-sectional area.

Optionally, the air inlet of handle has third cross-sectional area, and handle main body interior air-flow channel has the 4th cross section Product；First cross-sectional area at least more than the 4th cross-sectional area minimum value and/or, the third cross-sectional area is at least Greater than the minimum value of the 4th cross-sectional area.

Optionally, the exhaust structure further includes the end cap of surface hollow-out, and the end cap at least partly limits the exhaust Hand-held cleaners are discharged through end cap hollowed out area in the boundary of surge chamber, the air-flow.Optionally, the hand-held cleaning device is also Indoor filter element is buffered in exhaust including setting, the filter element is configured such that air-flow first passes through filtering element, then It is discharged through end cap hollowed out area.

Optionally, the handle extending direction and air-flow generating unit axis direction are in 20-90 ° of angle.It is further optional The lower limit of the angle of ground, the handle extending direction and air-flow generating unit axis direction is selected from 25 °, 30 °, 35 °, 40 °, 45 ° Or 50 °, the upper limit is selected from 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 ° or 85 °.The angle makes the bending angle of air-flow be blunt Gas-flow resistance reduction may be implemented in angle.

Optionally, when being horizontally arranged, the back edge of the end cap is higher than leading edge, and the leading edge is along side upward backward To extending to back edge.

Optionally, the end cap hollowed out area is lattice structure, and dust catcher, the air-flow row is discharged through lattice structure in air-flow Direction and air-flow generating unit axis angle are 10-80 ° out.Still optionally further, the air-flow discharge direction and air-flow occur The angle lower limit of unit axis be selected from 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 ° or 50 °, the upper limit be selected from 50 °, 55 °, 60 °, 65 °, 70 ° or 75 °.Still optionally further, the end cap has the channel of the fence structure to turn forward, the outlet air of end cap Direction is rear obliquely downward.The angle makes the bending angle of air-flow be obtuse angle, and gas-flow resistance reduction may be implemented.

Optionally, the electric wire that the handle is additionally provided with conductive member and is attached thereto, the conductive member are at least partly sudden and violent Outer surface and/or handle inner airflow channel of the dew with handle.

Optionally, sleeve is arranged in handle inner, and the sleeve extends along the inner surface of handle, and the electric wire is in sleeve and hand Cabling between handle.

As an implementation, the diameter of the handle end air outlet is gradually expanded.

Optionally, the first cross-sectional area of the air outlet of the handle has serrated end and discharge end and/or third transversal Area has serrated end and discharge end.The diameter of the handle end air outlet expands along a direction, and the handle goes out The serrated end in air port to the direction of discharge end be to the sucking cell orientation.

Optionally, the exhaust structure includes the end cap of top plate and surface hollow-out, the top plate and the fixed company of the handle It connects, the top plate is connected to the air outlet of the handle.Configuration of the configuration of the opening of the top plate substantially with handle air outlet It is identical.

Optionally, the leading edge of the top plate of the exhaust structure is radially contracted to back edge, and the handle end is fixed At the rear portion of the top plate.As an implementation, arranged symmetrically, top plate and the end of the top plate of the exhaust structure and end cap The shape of lid substantially configuration is identical, and for trapezium structure, the other parts junction of exhaust structure and dust catcher is trapezium structure Long side.

As an implementation, the filter element is filter cotton, and the inner surface of end cap is arranged in the filter cotton, will After end cap is mounted on exhaust structure, the filter cotton is fixed between the inside ring wall and end cap of exhaust surge chamber.

Optionally, the hand-held cleaners further include conductive member at least one.The material of conductive member can be selected to lead The metal material of electricity, conductive metallic material can be selected from least one of iron, copper, rigid or alloy.As an implementation, institute State the outer surface that the lower part of the handle is arranged in conductive member.At the setting of sucking the unit conductive member, with the handle Conductive member cooperation, can discharge hand-held cleaner cleaning head and clean surface friction generate electrostatic.

Optionally, the sleeve has inwardly protruding item, the channel of the inner surface formation of the raised item and the handle Accommodate the electric wire.As an implementation, sealing structure is arranged in the end in the gap having between sleeve and handle.

Optionally, the hand-held cleaning device further includes power supply unit, before the handle is arranged in institute's power supply unit Side；Said supply unit is external in hand-held cleaning device.Said supply unit can be rechargeable battery, the rechargeable battery It is mounted in the non-enclosed bracket of the hand-held cleaning device, rechargeable battery easy heat radiation.

In the application, the top, lower section, top, bottom and the side noun of locality refer to that hand-held cleaning device is horizontal positioned When spatial relation.The nouns of locality such as front-end and back-end refer to positional relationship when holding hand-held cleaning device handle.

The beneficial effect that the application can generate includes but is not limited to:

1) lower ending opening of the handle of hand-held cleaning device provided herein is diffusion structure, the diameter of opening by Gradual change is big, increases the area of air outlet, reduces air velocity, reduces out wind resistance and wind noise.

2) airflow channel of hand-held cleaning device provided herein directly flows into handle, gas from air-flow generating unit Stream reduces the length and resistance that air-flow flows through, reduces windage, power supply is external before the handle of dust catcher without power supply Side, needing not move through air-flow cooling can be with air cooling-down.

3) inclined bottom surface of the exhaust structure of the handle base of hand-held cleaning device provided herein is set up, Handle base outlet air, which not will cause, when dust catcher is placed on horizontal plane blocks.

4) air-out direction of the exhaust structure of the handle base of hand-held cleaning device provided herein be to tiltedly after Side, dust catcher will not directly be blown to ground when in use and kick up a dust, and air-flow will not be direct when dust catcher is placed on plane use Blowing to plane causes reflux to increase windage, and air-flow will not directly be blown to user reduces user experience with it.

5) ground wire is arranged in the handle surfaces of hand-held cleaning device provided herein, improves when dust catcher uses Safety, the connecting line of ground wire are arranged between the sleeve in handle to which route is not easy to wear.

6) good sealing row is formed in the exhaust structure of the handle base of hand-held cleaning device provided herein Gas surge chamber will not make air-flow flow out from other parts, and exhaust surge chamber has the function of buffer gas flow.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of hand held cleaner of the application.

Fig. 2 is a kind of schematic diagram of hand held cleaner of the application.

Fig. 3 is a kind of schematic diagram of hand held cleaner of the application.

Fig. 4 is a kind of air-flow flow schematic diagram of hand held cleaner of the application.

Fig. 5 is a kind of schematic diagram of hand held cleaner of the application.

Fig. 6 a is a kind of schematic top plan view of hand held cleaner of the application, the second separation of hand held cleaner removal The top cover of room and the second filter；Fig. 6 b is the schematic diagram of the top cover of the second separation chamber；Fig. 6 c is the top cover of the second separation chamber Elevational schematic view.

Fig. 7 a is a kind of elevational schematic view of the second filter of hand held cleaner of the application；Fig. 7 b is the application's A kind of stereoscopic schematic diagram of second filter of hand held cleaner.

Fig. 8 is a kind of schematic diagram of hand held cleaner of the application.

Fig. 9 is a kind of elevational schematic view of the end cap of the exhaust structure of hand held cleaner of the application.

Figure 10 is a kind of elevational schematic view of the exhaust surge chamber of hand held cleaner of the application.

Figure 11 is a kind of schematic diagram of hand held cleaner of the application.

Figure 12 is a kind of elevational schematic view of the top plate of the exhaust structure of hand held cleaner of the application.

Specific embodiment

The application is described in detail below with reference to embodiment, but the application is not limited to these embodiments.

To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

In addition, in the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", The orientation of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It is not considered as limiting the invention.

Specifically, in the present invention, direction " preceding " can be understood as hand-held cleaning device position in actual use The direction of separate human body when the front side of human body, opposite direction are defined as " rear ", i.e., hold in actual use Formula cleaning device is located at the direction towards human body when the front side of human body.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result, Sign can explicitly or implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two It is a or more than two, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.In retouching for this specification In stating, the description of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the invention In embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical embodiment Or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples It can be combined in any suitable manner.

With reference to Fig. 1, dust catcher includes intake line 2, separator 4, air-flow generating unit 6, handle 8 and battery 10, gas Stream is successively removed by intake line 2, separator 4, air-flow generating unit 6 and 8 heel row of handle.Handle 8 after separator 4 Outlet air extends the length in air duct, has erasure effect.

With reference to Fig. 2, air-flow generating unit 6 includes motor, fan and external shell, and external shell surrounds motor and fan, The longitudinal axis X1 of air intake vent of the longitudinal axis X1 of the air-flow generating unit 6 with air-flow generating unit 6.

Separator 4 includes the first separative unit 41 and the second separative unit 42.Intake line 2, the second separative unit 42 It is fixedly connected sequentially with air-flow generating unit 6 and constitutes the top of dust catcher, intake line 2, the second separative unit 42 and air-flow hair Raw unit 6 is substantially the same as longitudinal axis X1.The lower section of the second separative unit 42, the first separative unit is arranged in first separative unit 41 The longitudinal axis X1 of 41 longitudinal axis X2 and second separative unit 42 are substantially parallel.

With reference to Fig. 3, the first separative unit 41 includes the first separation chamber 414 and first filter 412, first filter 412 With the first separation chamber 414 with longitudinal axis X2, the inner wall of the first separation chamber 414 be it is cylindric, the setting of first filter 412 is the Inside one separation chamber 414.Skilled person will appreciate that first filter 412 can be metal screen.

Hand held cleaner further includes dust storage chamber 12, and the lower section of the first separation chamber 414 is arranged in dust storage chamber 12, with first point It is arranged substantially in parallel from room 414.Dust storage chamber 12 essentially tilts rectangular parallelepiped, and the width of dust storage chamber 12 is separated with first substantially The diameter of room 414 is roughly equal, and the side wall of dust storage chamber 12 extends upwardly to the tangent company of outer wall substantially with the first separation chamber 414 It connects, the rear end face of dust storage chamber 12 turns forward setting, and the front end face of dust storage chamber 12 is bending side, and bending side includes flat with rear end face Capable inclined-plane and the plane being aligned with 414 front end of the first separation chamber.

With reference to Fig. 4, handle 8 is arranged between air-flow generating unit 6 and exhaust structure 14, the longitudinal axis X3 of handle 8 with The first angle β of the longitudinal axis X1 of air-flow generating unit 6 is 70-90 °, the tail portion opening direction and exhaust structure 14 of handle 8 Bottom plate air outlet direction it is different.

Intake line 2 has air intake vent, and air-flow enters from air intake vent along first direction A, and first direction A is along longitudinal axis Line X1 flows through after separator 4, air-flow generating unit 6 and handle 8 that B is discharged in a second direction from air outlet, second direction B along Axis X 4；The second angle α of first direction A and the second direction B are 5~70 °.First direction A and second direction B has arrow Amount property, the measurement of angle is identical as the angle measurement method of the direction vector in mathematics.As an implementation, suction line Road 2 and the longitudinal axis of the handle 8 are coplanar, then first direction A and second direction B are coplanar, and first direction A is level side To second direction B is the direction oliquely downward extended.

Air-flow flows out second direction B from dust catcher and the opening direction of 8 tail portion of handle is inconsistent.The longitudinal axis of handle 8 The first angle β of the longitudinal axis X1 of line X3 and intake line be gripping angle between 70-90 °, when using dust catcher with The operating angle of the cleaning head of dust catcher connection is more comfortable and convenient for operation.It is arranged on the end cap of the exhaust structure of 8 lower section of handle Air outlet, the second angle α is less than the first angle β.The direction of the outlet air of dust catcher neither directly blows to ground and kicks up a dust, and not Can directly be blown to user it is direct with, user using degree it is good.

Battery 10 is substantially secured to the position of centre of gravity of dust catcher, and the front of handle 8, battery 10 and handle is arranged in battery 10 8 substantially parallel settings, battery 10 are fixed on battery mounting 101, battery mounting 101 and the first separative unit 41 and dust storage chamber 12 are disposed adjacent.As an implementation, battery is provided in the battery carrier 101 of main body connection of dust catcher, battery 10 It is at least partially exposed through in air.Battery carrier 101 be it is non-enclosed, battery 10 is at least partially exposed through in air.

With reference to Fig. 5, first filter 412 is fixedly connected on the rear end face of the first separation chamber 414.First separation chamber 414 Rear end face position corresponding with the open rearward end of first filter 412 has the first air outlet, and the first air outlet is round intermediate Stop support is set, and stop support is cross, and air-flow flows out after first filter 412 from the first air outlet.

Intake line 2 is connected to the first separation chamber 414 by the first air duct, and the first air duct is bent downwardly extension from its air intake vent To its air outlet to the first separation chamber 414, the air outlet in the first air duct tangentially enters the first separation chamber 414, and the first air duct goes out Air port is located at the front of the first separation chamber 414.As an implementation, the outlet air of the air intake vent in the first air duct and the first air duct The diameter of mouth is roughly the same.

The air-flow of first separation chamber 414 is swirling eddy, effect of the heavier bulky grain waste in centrifugal force in swirling eddy Under rear end from the front end screw of the first separation chamber 414 to the first separation chamber 414 dust storage chamber is entered by dust removal port 4141 12, the air-flow for carrying fine dust enters the second separative unit 42 by first filter 412.

First separation chamber 414 and dust storage chamber 12 are transparent material, and material can be rigidity plastics, and transparent material can be clear Chu, real-time situation about observing in the first separation chamber 414 and dust storage chamber 12.

The drive end bearing bracket that the front end face of first separation chamber 414 and dust storage chamber 12 is integrally formed.The drive end bearing bracket has open shape State and closed state, the bottom end of drive end bearing bracket are hinged to the bottom plate of dust storage chamber 12；In closed state, the upper end of drive end bearing bracket passes through key Be connected to the outer wall of the first separation chamber 414.The contact portion of the front end face of drive end bearing bracket and the first separation chamber 414 and dust storage chamber 12 Set up separately and set elastic sealing strip, elastic sealing strip is arranged in track.Drive end bearing bracket is in closed state, drive end bearing bracket and elastic sealing strip It squeezes and is tightly connected.

First filter 412 includes the first filter screen 4121, the first support portion 4122 and the first fixed part 4123, the first mistake Strainer 4121 is supported by the first support portion 4122, and the first fixed part 4123 is fixedly connected with the rear end face of the first separation chamber 414, the One filter screen 4121 is cylindric.First support portion 4122 includes front, middle part and rear portion, and middle part is more support bars, front For the cylinder of end part seal, rear portion is the cylinder connecting with the first fixed part 4123, and front and rear is connected by bar shaped support bar, preceding Portion and rear portion are rigid imperforate structure.First filter screen 4121 is fixedly connected with front and rear respectively, the first filter screen 4121 The periphery of support bar is set.The length ratio of front, filter screen 4124 and rear portion substantially 1:1-2:0.5-1, the first filtering The structure of device 412 is unlikely to deform, and surface area ratio and position of the filter screen 4124 in first filter 412 both can guarantee dust catcher Suction, and windage is small.The setting of the non-porous structure at rear portion can in the first separation chamber 414 a small amount of waste of temporary deposition without It blocks the first filter screen 4121 and enters the second separative unit 42.

The front end face of first filter 412 is closing structure, and the front end face of first filter 412 is first filter Elastic material is arranged on front end face for the front end face of 412 front, when drive end bearing bracket is closed, before drive end bearing bracket and first filter 412 End face is in and is press-connected, and can both prevent waste from squeezing at gap, and can reinforce the stability of first filter 412.

There is irregular chamber 16, the outer wall of the first separation chamber 414 between first separation chamber 414 and battery mounting 101 It is integrally formed the irregular chamber 16 of composition after extending to battery fixing bracket 101, the top of irregular chamber 16 has opening, no Regular chamber 16 is identical as the material of the first separation chamber 414, the rear end face of irregular chamber 16 and the rear end face for being dust arrester 12 Upwardly extend integrally formed chamber back plate, chamber back plate is fixedly connected with battery fixing bracket to turn forward.Irregular chamber 16 There are two pillars for interior tool.The rear end of first separation chamber 414 is symmetrical arranged two bloops towards irregular 16 sunken inside of chamber, disappears The tail end of sound hole is fixedly connected with the pillar being fixed in chamber back plate.

Independent second air duct 18 is set inside irregular chamber 16, the second air duct 18 is set in irregular chamber 16, Irregular chamber 16 is closed structure.The antetheca in the second air duct 18 is the rear end face of the first separation chamber 414, behind the second air duct 18 Wall is arranged in parallel with antetheca, and the bottom plate in the second air duct 18 is that cambered surface is substantially flat with the lower edge of the air outlet of first filter 412 Together, the symmetrical side in the second air duct 18 is perpendicular to rear wall.The rear wall in the second air duct 18, the outer surface of symmetrical side top with not The inner surface palette on the top of the chamber 16 of rule makes irregular chamber 16 become closed structure.Behind second air duct 18 Wall and symmetrical side extend upwardly to highest point that is slightly higher or flushing in the first separation chamber 414.

With reference to Fig. 6 a, the second separation chamber 421 includes that the rectangular chamber 4211 of lower part and bore are greater than rectangular chamber 4211 Top including cylindrical configuration.The outlet of first separation chamber, 414 atop part and the second air duct 18 is embedded in rectangular chamber In 4211, rectangular chamber 4211 and the second air duct 18 are integrally formed.The wall portion top edge of rectangular chamber 4211 substantially with first point Vertex from room 414 is concordant or slightly higher；The top plate that the antetheca of rectangular chamber 4211 intersects vertically with the first separation chamber 414；Rectangle The side wall of chamber 4211 includes the partial sidewall in the second air duct 18, and part is intersected with the wall portion of the first separation chamber 414；Rectangular cavity The part rear wall in the second air duct of rear wall, that is, part 18 of room 4211.As an implementation, the first separation chamber 414 is transparent material Matter, the first filtering 412 can arrive from the top, so can real time monitoring in real first separation chamber 414.

First separation chamber 414, dust storage chamber 12, irregular chamber 16, the second air duct 18 are fixedly connected with rectangular chamber 4211 Integrally, it can be separated with the other parts of dust catcher, material is identical, and transparent tempering material is made.

Second separative unit 42 includes the second separation chamber 421 and the second filter 422, and the second filter 422 is dismountable It is fixed in the second separation chamber 421, the substantially same longitudinal axis of the second filter 422 and the second separation chamber 421, the second separation chamber 421 chamber can accommodate columned second filter 422.

With reference to Fig. 6 a, Fig. 6 b and Fig. 6 c, the top of the second separation chamber 421 is dismountable top cover 4216, top cover 4216 The extension of front end and intake line 2 is fixed to use insert key connector 4212, the rear end of top cover and the shell of air-flow generating unit 6 Body is keyed part 4213.Setting extends downward into the sealing baffle 4217 contacted with the column sections of the second filter on top cover, close Block plate 4217 is arranged around the second filter 422, is equipped with sealing strip 4214 with sealing baffle, close when top cover closes Second filter 422 is surrounded closed structure, sealing baffle 4217 and the second filter 422 by block plate 4217 and sealing strip 4214 Surface contact, top cover insertion connector 4212 and be keyed part 4213 internal structure be arranged except closed structure.

Second separation chamber 421 is connected to the second air duct 18, and the lower plate of the second separation chamber 421 is the first separation chamber 414 Upper plate, the second separation chamber 421 include rectangular chamber 4211.

The supporting element of the second filter 422 is arranged in the front end face of second separation chamber 421, for the second filter of fixed support 422.The rear end face of second separation chamber 421 includes tilting backwards end face, and setting is connected to air-flow generating unit 6 on inclined end face Beveled 4215.Fenestral fabric is arranged in the surface of beveled 4215, and bulky grain is prevented to enter air-flow generating unit 6.Incline Diagonal cut joint 4215 is connected to the cooperation of the inclined end face of the second filter 412, and junction setting elastic component reaches sealing effect.

With reference to Fig. 7 a, Fig. 7 b, the second filter 422 includes the second filtration members 4221 and fixing axle 4222, fixing axle 4222 It was connected to the second filtration members 4221 and air-flow generating unit 6, wind deflector 4223 is symmetrical arranged in the circumferential direction of fixing axle 4222, keeps out the wind Plate 4223 includes first pair of wind deflector 42231 and second pair of wind deflector 42232, and first pair of wind deflector 42231 is located at second pair of gear The lower section of aerofoil 42232, first pair of wind deflector 42231 is planar structure, and second pair of wind deflector 42232 is the song being bent upwards Face structure.The end of wind deflector 4223 has the gap with the extending direction of wind deflector 4223 and the inner wall of the second separation chamber 421.First To the end of wind deflector 42231 greater than the end of second pair of wind deflector 42232 and the at a distance from the inner wall of the second separation chamber 421 The distance of the inner wall of two separation chambers 421.Wind deflector 4223 also has the function of that the second filter 422 is fixed in support.Fixing axle 4222 front end face is bonded setting with the second filtration members 4221, and the rear end face of fixing axle 4222 is inclined-plane.Under fixing axle 4222 Hold width substantially equal with the width in the second air duct 18.

Second filtration members 4221 include by-pass filtration part 42211 and secondary filtration part, and secondary filtration part is covered in by-pass filtration The outside of part 42211.Secondary filtration part is cyclic annular filter cotton, and by-pass filtration part 42211 is fixedly connected with fixing axle 4222 Fabric filtration net.The aperture of by-pass filtration part 42211 is less than the aperture of secondary filtration part.The outer peripheral surface of secondary filtration part substantially with The inner wall of second separation chamber 421 is bonded.Inner wall of the cylindrical peripheral face of second filtration members 4221 substantially with the second separation chamber 421 Contact.

Two airflow channels are formed with rectangular chamber 4211 when second filtration members 4221 are placed in the second separation chamber 421. Air-flow can flow directly into the airflow channel into the second filtration members 4221 from the second air duct 18.

With reference to Fig. 8, it is exhaust structure 14 below handle that handle 8, which includes air inlet 81 and air outlet 82,.Handle air outlet 82 Bore include serrated end and discharge end, the direction of serrated end to discharge end is to the direction of intake line.Exhaust structure 14 wraps Top plate 141 and end cap 142 are included, top plate 141 is fixedly connected and is connected to handle 8.The cross-sectional area of air outlet 82 is less than end cap 142 Cross-sectional area, the cross-sectional area of air outlet 82 is greater than the cross-sectional area of the main body of handle 8.Between top plate 1421 and end cap 142 There can be chamber, be shown in Fig. 8；It can be directly connected to not form chamber between top plate 141 and end cap 142.

The back edge of end cap 142 is higher than leading edge, and the leading edge extends to back edge along upwardly direction backward.Top plate 141 leading edge is radially contracted to back edge, and 8 end of handle is fixed on the rear portion of the top plate 141.

With reference to Fig. 9, the empty surface on 142 surface of end cap has the channel 1422 of the fence structure 1421 to turn forward.

With reference to Figure 10, exhaust structure 14 includes top plate 141, end cap 142 and exhaust surge chamber 19.Surge chamber 19 is vented to be arranged Inside exhaust structure 14.The upper face 191, internal ring wall 192 and end cap 142 for being vented surge chamber 19 surround seal chamber, dust suction Device further included stratiform filter pulp, and filter cotton is placed on the inner surface of end cap 142, was vented the inside ring wall 191 of surge chamber 19 for hand 8 air outlet of handle and filter cotton surround seal chamber and close structure.The upper face 191 of exhaust surge chamber 19 can be not provided with, exhaust structure 14 top plate 141 is directly as upper face 191.

Exhaust surge chamber 19 upper face 191 can be with the top plate 141 of exhaust structure it is detachable, be vented surge chamber 19 it is upper Plate face 191 is threadably secured with top plate 141 and connect, and end cap 142 is connected by key with exhaust surge chamber 19.It is vented surge chamber 19 Upper face 191 and 141 contact position of top plate be arranged sealing strip.

With reference to Figure 11, Figure 12, the outer surface of 8 lower part of handle is arranged conductive member 83, inside conductive member 83 and handle 8 Electric wire connects, and sleeve 85 is arranged inside handle 8, and sleeve 85 extends along the inner surface of handle 8, and sleeve 85 has inwardly protruding item 851, electric wire is arranged in raised item 851.

The above is only several embodiments of the application, not does any type of limitation to the application, although this Shen Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to Case study on implementation is imitated, is belonged in technical proposal scope.

Claims (10)

1. a kind of hand-held cleaning device, including air-flow generating unit and handle, which is characterized in that be equipped with air-flow in the handle Channel, the airflow channel upstream are communicated with air-flow generating unit air stream outlet, and the airflow channel downstream is communicated with outside.

2. hand-held cleaning device according to claim 1, which is characterized in that it further include exhaust structure, the exhaust knot Structure internal structure has exhaust surge chamber, and the handle upper end is connected with air-flow generating unit, the handle, at its lower end and exhaust structure It is connected, handle interior air-flow channel is connected to exhaust surge chamber, and the air outlet of the handle has the first cross-sectional area, described Being vented surge chamber has the second cross-sectional area, and second cross-sectional area is greater than first cross-sectional area.

3. hand-held cleaning device according to claim 2, which is characterized in that the air inlet of handle has third cross section Product, handle main body interior air-flow channel have the 4th cross-sectional area；

First cross-sectional area at least more than the 4th cross-sectional area minimum value and/or, the third cross-sectional area is extremely It is greater than the minimum value of the 4th cross-sectional area less.

4. hand-held cleaning device according to claim 2, which is characterized in that the exhaust structure further includes surface hollow-out End cap, the end cap at least partly limit it is described exhaust surge chamber boundary, the air-flow through end cap hollowed out area be discharged hand Hold dust catcher.

5. hand-held cleaning device according to claim 4, which is characterized in that further include that setting is indoor in exhaust buffering Filter element, the filter element is configured such that air-flow first passes through filtering element, then is discharged through end cap hollowed out area.

6. hand-held cleaning device according to claim 4, which is characterized in that the handle extending direction and air-flow occur Unit axis direction is in 20-90 ° of angle.

7. hand-held cleaning device according to claim 4, which is characterized in that when horizontal positioned, the back of the end cap Edge is higher than leading edge, and the leading edge extends to back edge along upwardly direction backward.

8. hand-held cleaning device according to claim 4, which is characterized in that the end cap hollowed out area is grid knot Dust catcher is discharged through lattice structure in structure, air-flow, and the air-flow discharge direction and air-flow generating unit axis angle are 10-80 °.

9. hand-held cleaning device according to claim 2, which is characterized in that the handle be additionally provided with conductive member and with Connected electric wire, at least partly exposed outer surface and/or handle inner airflow channel with handle of the conductive member.

10. hand-held cleaning device according to claim 9, which is characterized in that sleeve is arranged in the handle inner, described Sleeve extends along the inner surface of handle, electric wire cabling between sleeve and handle.