CN209269543U - A kind of cleaning device - Google Patents

Abstract

The utility model discloses a kind of cleaning devices, the cleaning device includes air-flow generating unit and separative unit, the separative unit includes exit passageway and at least one separator, the fluid upstream of the exit passageway is connected to the downstream fluid of the separator, and the downstream fluid of the exit passageway is connected to the air flow inlet of the air-flow generating unit；The top of the exit passageway is provided with the manifold being connected to the air stream outlet of the separator；The separative unit further includes the filter being removably mounted in the exit passageway.Exit passageway and filter is arranged in the utility model between the downstream fluid of separator and the fluid upstream of air-flow generating unit; profound isolation of purified has effectively been carried out to the gas before entering air-flow generating unit, protects motor not by the intrusion for being entrained fine dust in the air stream.

Description

A kind of cleaning device

Technical field

The utility model belongs to cleaning technology field more particularly to a kind of cleaning device.

Background technique

Currently, various types of cleaning devices have been widely used in daily life, common cleaning device on the market, example Such as hand held cleaner, increasingly it is familiar with by the majority of consumers, and since its is light, can carry, is not necessarily to electricity in use process The advantages that source line and it is popular with users.

Hand held cleaner generally uses cyclone type separation bin as main separative unit, in dirty air sundries and Dust granule carries out separation and screens out；Negative pressure is provided as driving air flowing using air-stream generating device such as electrodynamic type blower Power unit；Then it is aided with again before dirty air inlet duct, motor after filter element, supply unit such as energy storage battery, motor Filter element, connection connect the auxiliary units such as the connection structure of each unit and the handle for providing handgrip.Wherein, due to rotation Wind formula separation bin can only be separated with certain mass and the biggish particle of volume, for some subtle light-weight particles, Wu Fayou Effect separation, if taken no action to, these light-weight particles will enter air-stream generating device with air-flow, therefore mistake before motor is arranged The effect for filtering unit is mainly profound isolation of purified, to protect motor not by being still entrained fine dust in the air stream Intrusion.

Patent application CN105030148 discloses a kind of vacuum cleaner, including cyclone separator, main body and motor And fan unit, the cyclone separator include dirty air entrance, the ontology is connected to cyclone separator, the electricity Machine and fan unit are used to generate air stream and pass through cyclone separator to clean air outlet from dirty air entrance, wherein described Cyclone separator include at least the first whirlwind cleaning grade and be disposed in the first whirlwind cleaning grade downstream fluid it is elongated Filter.Elongated filter is accommodated at least partly by the circular pipeline of the first cleaning grade, and including intake section, The intake section carries filter-portion, and the filter-portion defines filter chamber.The intake section includes one A or multiple radial entrances are to allow air radially to flow into intake section, and wherein air is in axial direction from entrance Part flow to filter chamber.There are following problems for the vacuum cleaner: 1, the top of the intake section with it is clear by first Not set effective sealing between the top of the circular pipeline of clean grade, it is extraneous under the big suction of motor in use process Air enters from the tight position of the intake section and the first whirlwind cleaning grade unsealing, cleans without first whirlwind Grade, to reduce the working efficiency of the cyclone separator, reduces the suction of cleaning head, to affect cleaning effect Fruit；2, not set effective sealing between the lower part of the intake section and the filter chamber is cleaned by first whirlwind Air after grade cleaning is directed through the gap between the lower part and filter chamber of the intake section and enters the filter chamber, Isolation of purified without filter element before the motor, flows directly into the motor and fan unit, to make motor by still It is so entrained the intrusion of fine dust in the air stream, and leads to the damage of motor.

It can be seen that the existing technology needs further improvement and improves.

Summary of the invention

In place of avoiding above-mentioned the shortcomings of the prior art, the utility model provides a kind of cleaning device, with protection Motor is not by the intrusion for being still entrained fine dust in the air stream.

The technology employed by the present utility model is

A kind of cleaning device, the cleaning device have dirty air entrance and clean air outlet, and the cleaning device is also Including air-flow generating unit and separative unit；The air-flow generating unit is for generating air stream, and the air stream is from described dirty Air intake enters, and flows out through the separative unit from the clean air outlet；The separative unit includes exit passageway With at least one separator, the fluid upstream of the exit passageway is connected to the downstream fluid of the separator, and the outlet is logical The downstream fluid in road is connected to the air flow inlet of the air-flow generating unit；The top of the exit passageway is provided with and described point The manifold of air stream outlet connection from device；The separative unit further includes the mistake being removably mounted in the exit passageway Filter, the filter include installation section and filtration fraction, and the filtration fraction is mounted on described by the installation section In exit passageway；The installation section includes the first containment member, the second containment member and seals structure positioned at described first, second At least one port between part, the port are connected to the manifold, first, second containment member limit air-flow from The manifold enters the installation section through the port, and the inside of the filtration fraction is flowed into through installation section.

It is connected between first containment member and second containment member by a plurality of dowel.

The manifold has upper sealing surface and lower sealing surface, and the upper sealing surface is an annular facade, the lower sealing Face is a flat surface；First, second containment member is configured as, when the filter is packed into the exit passageway, the One containment member is bonded with upper sealing surface, and the second containment member is bonded with the lower sealing surface；Outside first containment member Edge is equipped with elastic card convex, and the limiting section for limiting the elastic card socket part is provided on the downside of the upper sealing surface.

First, second containment member includes lip-type packing, and the lip of the first containment member lip-type packing Upward, the lip of the second containment member lip-type packing is downward.

The installation section further includes sealing cover, and the outer surface of the sealing cover constitutes one of the cleaning device surface Point；The installation section further includes the upper mounting seat below the sealing cover, and the top of the filtration fraction is removably It is mounted on the upper mounting seat；The inside of the upper mounting seat is equipped with airflow channel, and the airflow channel is connected to the port, The air-flow successively enters the inside of the filtration fraction through the port, airflow channel.

It is recessed inwardly in the middle part of the sealing cover, depressed area extends to the airflow channel side.

The installation section further includes more ribs, the top of each rib is connected with the sealing cover, bottom end and it is described on Mounting base is connected, and adjacent two rib forms the restriction to the port；The sealing cover has first axle, the upper installation Seat tool has second axis, and first, second axis is concentric, and the extension line of the length direction of each rib is relative to described First axle or second axis inclination.

The filtration fraction includes filter assemblies, and the installation section further includes the bone for being used to support the filter assemblies Frame, the filter assemblies are set in the outside of the skeleton；The filter further includes lower mounting seat, and the lower mounting seat is arranged In the lower outside of the filtration fraction；The lower part of the exit passageway is provided with positioning chamber, at least portion of the lower mounting seat Divide and is limited in the positioning chamber.

The exit passageway further includes filter chamber, and the fluid upstream of the filter chamber is connected to the port, the filtering Part is located in the filter chamber, and it is convex that at least partly region of the filter chamber side wall along the length direction of side wall is provided with guiding Item；The exit passageway further includes discharge chamber, and the fluid upstream of the discharge chamber is connected to the downstream fluid of the filter chamber, institute The downstream fluid for stating discharge chamber is connected to the clean air outlet；The internal diameter of the discharge chamber is less than the interior of the filter chamber Diameter is provided with baffle in the discharge chamber.

The outer diameter of the filtration fraction is sequentially reduced from top to bottom, and the filter chamber is substantially in coniform, and the filtering The outer diameter of chamber lower part is significantly less than the outer diameter of upper part.

By adopting the above-described technical solution, being had the beneficial effect that acquired by the utility model

1, it is logical that outlet is arranged in the utility model between the downstream fluid of separator and the fluid upstream of air-flow generating unit Road and filter have effectively carried out profound isolation of purified to the gas before entering air-flow generating unit, have protected electricity Machine is not by the intrusion for being still entrained fine dust in the air stream.Meanwhile the exit passageway in the utility model with separate Structure of device itself matches, to keep complete machine structure more compact.

2, manifold is arranged between the downstream fluid of separator and the air flow inlet of filter in the utility model, realizes The collection of air-flow neutralizes water conservancy diversion.In addition, being recessed inwardly in the middle part of sealing cover in the utility model and to the airflow channel of filter one Side extends, and realizes water conservancy diversion；Pass through the axis inclination relative to the sealing cover and upper mounting seat between sealing cover and upper mounting seat The rib of setting connects, and is convenient for water conservancy diversion.Therefore, the utility model realizes the guiding to air-flow, avoids the generation of turbulent flow, subtracts Disturbance and energy consumption are lacked, air-flow are made to flow to the filtration fraction of the filter to greatest extent, the separation realized to gas is net Change.

3, the filter in the utility model is removably mounted in the exit passageway, and is convenient to mount and dismount, energy Enough cleanings or replacement easily realized to the filter.

4, the setting of the first containment member described in the utility model can be realized the sealing cover and the manifold top Effective sealing between portion is only capable of air-flow from the gas vent of the separator through the port of the filter to the mistake Filter part is flowed, and is avoided outside air without the separator and is entered the filtration fraction, improves the separator Working efficiency ensure that the suction force of the cleaning device cleaner head, improve cleaning effect.Second described in the utility model The setting of containment member can guarantee that the air-flow flowed out from the separator is only capable of flowing into institute by the port and airflow channel Filtration fraction is stated, and flows into the air-flow generating unit again after the profound isolation of purified of the filtration fraction, to make electricity Machine is not by the intrusion for being entrained fine dust in the air stream.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model Improper restriction.In the accompanying drawings:

Fig. 1 is the assembling schematic diagram of hand-held part described in the utility model embodiment and separative unit.

Fig. 2 is hand-held part described in the utility model embodiment and the top view after separative unit assembly.

Fig. 3 is the partial structural diagram of separative unit described in the utility model embodiment 1.

Fig. 4 is the cross-sectional view of separative unit described in the utility model embodiment 1.

Fig. 5 is the structural schematic diagram of filter described in the utility model embodiment 1.

Fig. 6 is the cross-sectional view of separative unit described in the utility model embodiment 2.

Fig. 7 is the structural schematic diagram of filter described in the utility model embodiment 2.

Wherein,

1, handle 2, battery 3, air-flow generating unit 4, dirty air entrance 5, clean air outlet 6, separative unit 61, separation bin 62, disengagement chamber 63, cyclone 7, manifold 71, upper sealing surface 72, lower sealing surface 73, annular support 8a, 8b, filter 81, port 82, the first containment member 83, the second containment member 84, sealing cover 84.1, protrusion 84.2, lift-pull handle 85a, 85b, filtration fraction 86, dowel 87, rib 88, air hole 89, upper mounting seat 810, under Mounting base 811, elastic card convex 9a, 9b, filter chamber 10, positioning chamber 11, discharge chamber

Specific embodiment

In order to it is clearer illustrate the utility model general idea, with reference to the accompanying drawings of the specification in an illustrative manner into Row is described in detail.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

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

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms 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 connection, is also possible to be electrically connected, can also be communication；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.In this specification Description in, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc. Description means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model In at least one 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 embodiments Or it can be combined in any suitable manner in example.

Embodiment 1:

As shown in Figures 1 to 5, a kind of cleaning device, including hand-held part, the hand-held part have handle 1, battery 2 gentle Generating unit 3 is flowed, the air-flow generating unit 3 is for generating air stream；Separative unit 6, separative unit 6 are used for in dirty air Sundries and dust granule carry out separation screen out；And dirty air entrance 4 and clean air outlet 5.In use process, the gas The air stream for flowing the suction carrying dust of generating unit 3 enters the separative unit 6 from the dirty air entrance 4, is mixed in air Dirt and dust particle in stream is separated and is retained in the separative unit 6, and the air cleaned is sent out through the air-flow It is discharged after raw unit 3 from the clean air outlet 5.

It should be noted that the cleaning device in the utility model can directly be cleared up by the dirty air entrance 4 to be needed Want clean surface, external can also arbitrarily be connect with the dirty air entrance 4 with formed the connecting tube of extension, hose and Clean the supplementary structure of suction nozzle etc.

As shown in Figure 1, the handle 1 is obliquely installed relative to the separative unit 6；The air-flow generating unit 3 is arranged In the top of the handle 1, air-flow generating unit 3 includes motor and impeller；The lower section of the handle 1 is arranged in the battery 2.

As shown in Figure 1, Figure 2 and Figure 4, the separative unit 6 includes exit passageway and at least one separator, the outlet The fluid upstream in channel 6 is connected to the downstream fluid of the separator, and the downstream fluid of the exit passageway and the air-flow are sent out The air flow inlet connection of raw unit 3.

As shown in Figure 1 and Figure 4, the separative unit 6 is limited at including separation bin 61 and at least partly the separation bin Interior cyclone separator.The separation bin 61 in the present embodiment is substantially cylindrical, and the separation bin 61 is with rotatable The door of opening, to realize the cleaning of sundries or dust granule in separation bin 61.Preferably, the separation bin 61 is transparent, In use process, operator can intuitively observe the dust status of accumulating nutrient in the separation bin 61, to clear up accumulation in time Dust.The cyclone separator include disengagement chamber 62 and be at least partly limited in the disengagement chamber 62 several be in The cyclone 63 of circumference array distribution.

The dirty air entrance 4 tangentially enters the separation bin 61 along the separation bin 61, so that spiral air flow is generated, And advance along the cyclone separator, the sundries in air-flow or dust granule are separated step by step, are settled under the influence of centrifugal force.

As shown in Figure 3 and Figure 4, the exit passageway is limited by the cyclone separator.The top of the exit passageway is set It is equipped with the manifold 7 being connected to the air stream outlet of the separator, the internal diameter of manifold 7 described in the utility model is compared to institute It states and is obviously reduced for the internal diameter of the disengagement chamber 62 of cyclone separator, the air-flow flowed out from the cyclone separator uniformly flows to institute Manifold 7 is stated, and is flowed through the manifold 7 to following ports 81.

As shown in figure 4, the separative unit 6 further includes the filter 8a being removably mounted in the exit passageway, The filter 8a includes that installation section and filtration fraction 85a, the filtration fraction 85a are mounted on institute by the installation section It states in exit passageway.

As shown in Figures 2 to 5, the installation section further includes sealing cover 84, when filter 8a loading is described out After in mouth channel, the top end face of the peripheral edge portion and the cyclone separator of 84 outer surface of sealing cover is substantially flush, described The outer surface of sealing cover 84 constitutes a part on the cleaning device surface.The outer tip end of the sealing cover 84 is provided with lifting The filter 8a can be removed or be packed into from the exit passageway by the lift-pull handle 84.2 by handle 84.2, user.

As shown in figure 5, the installation section one or more port 81, the port 81 are connected to the manifold 7.Institute Stating installation section further includes the upper mounting seat 89 positioned at 84 lower section of sealing cover, and the top of the filtration fraction 85a is detachable It installs to the upper mounting seat 89 on ground.The inside of the upper mounting seat 89 is equipped with airflow channel, and the airflow channel leads to described Mouth 81 is connected to.

The structure type of the port 81 can there are many: for example, it may be using the form of single annular opening, the ring The peripheral portion in region of the shape opening between the sealing cover 84 and the upper mounting seat 89 or integrally extend；Compare again Such as, the port 81 has multiple, region of multiple ports 81 between the sealing cover 84 and the upper mounting seat 89 Peripheral portion is angularly spaced apart, and the gas poured in the manifold 7 flows into the gas apart from nearest port along with it Circulation road.

As shown in figure 5, to further realize water conservancy diversion to the air-flow, enable the gas flowed out from the separator It flows to the filtration fraction 85a to greatest extent to be filtered, the middle part of the sealing cover 84 is recessed inwardly, and depressed area is to institute State the extension of airflow channel side, to form the protrusion 84.1 towards the airflow channel, air-flow through the port 81 radially into Fashionable, raised 84.1 pairs of air-flows form drainage, avoid all gases to be entered in the airflow channel and touch here It hits to form turbulent flow, reduces energy loss, air-flow is made smoothly to flow to the filtration fraction from the airflow channel.

As shown in figure 5, the installation section further includes more ribs 87, the top of each rib 87 and 84 phase of sealing cover Even, bottom end is connected with the upper mounting seat 89.The more ribs 87 are in 84 bottom of sealing cover and the upper mounting seat 89 It is angled uniformly distributed in area of space between top.The bottom end of the sealing cover 84, the top of upper mounting seat 89 and adjacent two Rib 87 cooperatively forms jointly to 81 size of port and opens up the restriction of position.

As shown in figure 4, the sealing cover 84 has a first axle, the upper mounting seat 89 has a second axis, described the One, second axis is concentric.The outer diameter of the sealing cover 84 is greater than the outer diameter of the upper mounting seat 89.The length of each rib 87 The extension line in direction is tilted relative to the first axle or second axis, convenient for carrying out water conservancy diversion to gas.

In addition, each 87 lateral surface of the rib is respectively formed the support to following dowels 86, meanwhile, each rib 87 The clamping slot of a part for clamping the dowel 86 is also provided on lateral surface.

In order to improve the sealing performance of the cleaning device, prevent outside air without the dirty air entrance and described point Enter the exit passageway from unit 6, the installation section further includes the first containment member 82 positioned at 81 top of port And the second containment member 83 positioned at 81 lower section of port.First containment member 82 is nested in the sealing cover 84 Bottom outside, second containment member 83 are nested with the top outer in the upper mounting seat 89.

It is logical into the air-flow through the port 81 from the manifold 7 that first, second containment member limits air-flow Road, and the inside of the filtration fraction 85a is flowed into through the airflow channel, so as to avoid air-flow from the external world through the manifold Gap between the sealing cover enters the filtration fraction, ensure that the vacuum degree of gas flow space, improves separation Efficiency.

It is connected between first containment member 82 and second containment member 83 by a plurality of dowel 86, described the One containment member 82 and the second containment member 83 are an integral molding structure, to facilitate first, second containment member Molding and assembly.

With the extension of use time, when assembling a certain amount of dust in the filter 8a, to guarantee filter effect, With regard to needing to replace or cleaning the filter 8a, therefore, it is necessary to by the filter 8a split out out of described exit passageway with It realizes cleaning or replaces the filtration fraction.It is this that frequently the filter 8a is pulled out and is packed into from the exit passageway Operation, will necessarily to first, second containment member formed wear, therefore, first, second is close described in the utility model Sealing component includes lip-type packing, and the outer of the lip-type packing extends outward relative to the upper mounting seat 89.Lip For shape sealing ring is compared to common sealing ring, after sealing edge is worn, lip-type packing has certain automatic compensation Ability extends the service life of the first, second containment member to ensure that sealing effect.

In addition, forming the first, second containment member more easily with manifold 7 to comply with the flow direction of air-flow and pasting Close sealing, the lip of 82 lip-type packing of the first containment member upward, the lip of 83 lip-type packing of the second containment member Downward.

As shown in figure 3, the manifold 7 has upper sealing surface 71 and lower sealing surface 72.The upper sealing surface 71 is a ring Shape facade, i.e., the described upper sealing surface 71 in a ring, and the upper sealing surface 71 be a vertical face.It is different from the upper sealing surface 71 , the lower sealing surface 72 is a flat surface.First, second containment member is configured as, and the filter 8a is packed into When in the exit passageway, the first containment member 82 is bonded with upper sealing surface 71, the second containment member 83 and the lower sealing surface 72 fittings.In addition, the top of the manifold 7 is additionally provided with the annular to fit with the outer rim bottom surface of the sealing cover 84 Support face 73, when the filter 8a is packed into the exit passageway, the outer rim bottom surface of the sealing cover 84 and the ring Shape support face 73 fits.

As shown in figure 5, the outer rim of first containment member 82 is circumferentially with multiple elastic card convexs 811, the bullet along it Property the arc-shaped flake of card convex 811, and each elastic card convex 811 with first containment member 82 as with upwardly extending Lip.The downside of the upper sealing surface 71 is provided with the limiting section for limiting the elastic card convex 811, specifically, institute It states limiting section to be arranged on the bottom face of the annular facade, and each limiting section is along the radial to the annular of the annular facade The outside of facade extends, to form the blocking to the elastic card convex 811.

When the filter 8a to be downwardly into the exit passageway, the second containment member 83 contacts the manifold 7 lower sealing surface 72, and downward pressure is generated to the lower sealing surface 72, meanwhile, the lower sealing surface 72 is to described second Containment member 83 generates upward reaction force, which is transferred to described by the upper mounting seat 89 and rib 87 One containment member 82, because 82 sealing ring of the first containment member lip inherently upward, in the effect of the reaction force Under, the lip-type packing of first containment member 82 is further sealed to the annular facade expansion.Meanwhile described Under the barrier effect of elastic card convex 811, it is therefore prevented that altered on first containment member 82, make first containment member 82 with Effective sealing is formed between the annular facade.

The exit passageway further includes filter chamber 9a, and the fluid upstream of the filter chamber 9a is connected to the airflow channel, The filtration fraction 85a is located in the filter chamber 9a.The filter chamber 9a is substantially in hollow cylindric in the present embodiment, The filtration fraction 85a is also substantially cylindrical.

The filtration fraction 85a includes filter assemblies, and the filter assemblies are made of flexible material.Because of the filtering group The flexible speciality of part, to avoid for the filter being packed into the exit passageway during the lower parts of the filter assemblies occur The phenomenon that stacking, and cause filter effect to substantially reduce even and lose, also in the inside of the filter assemblies along filter assemblies It is axial to be provided with the skeleton for being used to support the filter assemblies, 89 phase of upper mounting seat of the skeleton and the installation section Even.Preferably, the form that the structure type of the skeleton can choose strut is used to support the filter assemblies, the filtering group Part is the filter of bag filter or elongated tubular product, to be adapted with the global shape of the filter assemblies, the skeleton choosing The distribution angled along the inner wall of the filter assemblies of 2 to 3 struts is selected, is used to support the filtering group to surround one The support construction of part.

As shown in figure 5, the filter assemblies include filter layer and the mesh-supported for being close to the filter layer outer surface setting Part, the mesh-supported part are equipped with several air holes 88, and two neighboring air hole 88 passes through the structure phase of similar braid over braid Even, through-hole of several internal diameters less than the internal diameter of the air hole 88 and is also offered in the structure similar to braid over braid.It is preferred that , the filter layer is thin bed filtration cotton, and the air-flow enters after the filtration fraction is filtered by the filter layer through described The outflow of mesh-supported part.

If in addition, at least partly region of the side wall of filter chamber 9a described in the present embodiment is provided with along the length direction of side wall Dry item guiding raised line reduces the collision of following filter assemblies Yu filter chamber 9a side wall, keeps away to facilitate the loading of the filter 8a Exempt to scratch the filter assemblies during being packed into.

As shown in Figure 4 and Figure 5, the filter further includes lower mounting seat 810, and the lower mounting seat 810 is set in described The lower outside of filtration fraction 85a；The lower part of the exit passageway is provided with positioning chamber 10, and the lower mounting seat 810 is at least Part is limited in the positioning chamber 10.On the one hand the setting of the lower mounting seat 810 avoids the filter assemblies and is packed into On the other hand the stacking of the filter layer and mesh-supported part in the process can position the filter 8a after loading, limit It has made the filtration fraction and has generated shaking under the action of high wind pressure, to reduce noise.

As shown in figure 4, the exit passageway further includes discharge chamber 11, the fluid upstream of the discharge chamber 11 and the filtering The downstream fluid of chamber 9a is connected to, and the downstream fluid of the discharge chamber 11 is connected to the clean air outlet.The discharge chamber 11 Internal diameter be less than the filter chamber 9a internal diameter.The discharge chamber 11 is obliquely installed relative to the filter chamber 9a.

In addition, baffle is provided in the discharge chamber 11, for further preventing in the process for being packed into the filter 8a In, the filtration fraction 85a run-off the straight, so that the lower mounting seat 810 is smoothly fallen into the positioning chamber 10, meanwhile, institute The setting for stating baffle can also prevent filtration fraction 85a run-off the straight under the action of high wind pressure, ensure that filter effect, Reduce noise.

Embodiment 2:

The present embodiment and the structure and principle of the embodiment 1 are essentially identical, and different places are: with the embodiment Generally cylindrical filter chamber 9a and filtration fraction 85a is different in 1, in the present embodiment, as shown in Figure 6 and Figure 7, the mistake The outer diameter of the filtration fraction 85b of filter 8b is sequentially reduced from top to bottom, the filter chamber 9b be substantially in it is coniform, filter chamber 9b's Internal diameter gradually becomes smaller from top to bottom, and the outer diameter of the lower part the filter chamber 9b is significantly less than the outer diameter of upper part.

In the present embodiment, the filter chamber 9b coniform structure design, makes the filtration fraction 85b in the filtering Pressure span in chamber 9b with respect to reduction is more advantageous to resistance to deformation.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method Part explanation.

The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.

Claims (10)

1. a kind of cleaning device, which is characterized in that the cleaning device has dirty air entrance and clean air outlet, described clear Clean device further includes air-flow generating unit and separative unit；

For generating air stream, the air stream enters the air-flow generating unit from the dirty air entrance, and through described point It is flowed out from unit from the clean air outlet；

The separative unit includes exit passageway and at least one separator, and the fluid upstream of the exit passageway is separated with described The downstream fluid of device is connected to, and the downstream fluid of the exit passageway is connected to the air flow inlet of the air-flow generating unit；It is described The top of exit passageway is provided with the manifold being connected to the air stream outlet of the separator；

The separative unit further includes the filter being removably mounted in the exit passageway, and the filter includes installation Part and filtration fraction, the filtration fraction are mounted in the exit passageway by the installation section；The installation section Including the first containment member, the second containment member and at least one port between first, second containment member, institute Port is stated to be connected to the manifold, first, second containment member limit air-flow from the manifold through the port into Enter the installation section, and flows into the inside of the filtration fraction through installation section.

2. a kind of cleaning device according to claim 1, which is characterized in that

It is connected between first containment member and second containment member by a plurality of dowel.

3. a kind of cleaning device according to claim 1, which is characterized in that

The manifold has upper sealing surface and lower sealing surface, and the upper sealing surface is an annular facade, and the lower sealing surface is One plane；First, second containment member is configured as, and when the filter is packed into the exit passageway, first is close Envelope component is bonded with upper sealing surface, and the second containment member is bonded with the lower sealing surface；The outer rim of first containment member is set Flexible card convex is provided with the limiting section for limiting the elastic card convex on the downside of the upper sealing surface.

4. a kind of cleaning device according to claim 1, which is characterized in that

First, second containment member includes lip-type packing, and the lip of the first containment member lip-type packing is upward, The lip of second containment member lip-type packing is downward.

5. a kind of cleaning device according to claim 1, which is characterized in that

The installation section further includes sealing cover, and the outer surface of the sealing cover constitutes a part on the cleaning device surface； The installation section further includes the upper mounting seat below the sealing cover, and the top of the filtration fraction is removably installed In the upper mounting seat；The inside of the upper mounting seat is equipped with airflow channel, and the airflow channel is connected to the port, described Air-flow successively enters the inside of the filtration fraction through the port, airflow channel.

6. a kind of cleaning device according to claim 5, which is characterized in that

It is recessed inwardly in the middle part of the sealing cover, depressed area extends to the airflow channel side.

7. a kind of cleaning device according to claim 5, which is characterized in that

The installation section further includes more ribs, and the top of each rib is connected with the sealing cover, bottom end and the upper installation Seat is connected, and adjacent two rib forms the restriction to the port；The sealing cover has first axle, the upper mounting seat tool There is second axis, first, second axis is concentric, and the extension line of the length direction of each rib is relative to described first Axis or second axis inclination.

8. a kind of cleaning device according to claim 1, which is characterized in that

The filtration fraction includes filter assemblies, and the installation section further includes the skeleton for being used to support the filter assemblies, institute State the outside that filter assemblies are set in the skeleton；The filter further includes lower mounting seat, and the lower mounting seat is set in institute State the lower outside of filtration fraction；The lower part of the exit passageway is provided with positioning chamber, the lower mounting seat at least partly by It is limited in the positioning chamber.

9. a kind of cleaning device according to claim 1, which is characterized in that

The exit passageway further includes filter chamber, and the fluid upstream of the filter chamber is connected to the port, the filtration fraction In the filter chamber, at least partly region of the filter chamber side wall is provided with guiding raised line along the length direction of side wall； The exit passageway further includes discharge chamber, and the fluid upstream of the discharge chamber is connected to the downstream fluid of the filter chamber, described The downstream fluid of discharge chamber is connected to the clean air outlet；The internal diameter of the discharge chamber is less than the internal diameter of the filter chamber, Baffle is provided in the discharge chamber.

10. a kind of cleaning device according to claim 9, which is characterized in that

The outer diameter of the filtration fraction is sequentially reduced from top to bottom, and the filter chamber is substantially in coniform, and under the filter chamber The outer diameter in portion is significantly less than the outer diameter of upper part.