CN205625810U - Filtering component and dust catcher that has it - Google Patents

Abstract

The utility model discloses a filtering component and dust catcher that has it, filtering component includes: box and intake pipe, the splendid attire has liquid in the box, has air inlet and gas outlet on the box, the intake pipe links to each other with the air inlet, the intake pipe give vent to anger the end position in the box and towards liquid extend or the submergence in liquid, crescent along the cross -sectional area of the inside fluid flow direction of intake pipe, intake pipe. According to the utility model discloses a filtering component is divergent pipe through the end processing of giving vent to anger with the intake pipe to can reduce the intake pipe effectively and pour into dirty gas's gas flow rate in to liquid into, mixing time and area of contact in order to increase dirty gas and liquid make dirty gas better with the mixed effect of liquid, improve the filter effect, reduce gas -liquid two -phase's impact, effectively restrain the bubble noise that the in -process produced of crumbling and fall, have just reduced the height that splashes of splash, help gas -liquid separation.

Description

Filter assemblies and the vacuum cleaner with it

Technical field

This utility model relates to cleaning apparatus field, especially relates to a kind of filter assemblies and has its vacuum cleaner.

Background technology

Water tank with strainer is the core component of vacuum cleaner with water filtering, and it is using clear water as filtering material, thus replaces conventional cleaners The structures such as conventional dirt cup, dirt box, it is not necessary to extra change the consumptive material such as dirt bag, HEPA net.And, water filtration dust Effect is obvious, and dust can directly carry out toppling over process after mixing with water, the problem that will not produce dust, thus reaches ultimate attainment The effect of cleaning.Air inlet pipe in water tank with strainer is as vitals, and the quality of its performance will directly affect water to dusty gas Filter capacity and follow-up aqueous vapor separating effect.

Some air inlet pipe in correlation technique are prismatic circular pipeline or prismatic rectangle pipeline, but, this air inlet Pipe, owing to being configured to prismatic shapes, will introduce the dusty atmosphere bubble identical with its cross-sectional sizes in water, and these bubbles are difficult to The minute bubbles of defeated and dispersed Cheng Geng little yardstick, thus the poor effect mixed with water；Correlation technique also have some air inlet pipe to use non- Prismatic structure designs, and usually carries out simple Sheet Metal Forming Technology at the mouth of pipe of circular pipeline and its mouth of pipe is stamped into flat tube Structure, but, the flow section area change of such air inlet pipe is uneven, and air current flow loss is big, thus will increase energy Consumption.It addition, also have some air inlet pipe to use the circular circuit design of tapered cross-section, but, the flow section of this kind of air inlet pipe All directions length is consistent, and flow direction area uniformly reduces, and easily causes bulky grain rubbish and blocks the problem of air inlet pipe, and, Either uiform section or the air inlet pipe of tapered cross-section, all can cause the gas severe impact to water, causes bubble to crumble and fall noise Greatly, and affect aqueous vapor separate.

Utility model content

This utility model is intended at least to solve one of technical problem present in prior art.To this end, this utility model is to carry Going out a kind of filter assemblies, the strainability of described filter assemblies is good.

This utility model also proposes a kind of vacuum cleaner with above-mentioned filter assemblies.

According to the filter assemblies of this utility model first aspect, including: casing, it is loaded with liquid, described case in described casing There is on body air inlet and gas outlet；Air inlet pipe, described air inlet pipe is connected with described air inlet, the outlet side of described air inlet pipe It is positioned at described casing and extends towards described liquid or be immersed in described liquid, along the fluid stream within described air inlet pipe Dynamic direction, the cross-sectional area of described air inlet pipe are gradually increased.

According to filter assemblies of the present utility model, by the outlet side of air inlet pipe is processed as increaser, such that it is able to effectively Reduce air inlet pipe in liquid, inject the gas flow rate of dusty gas, such that it is able to increase the incorporation time of dusty gas and liquid And contact area so that dusty gas is more preferable with the mixed effect of liquid, improves filter effect, reduces the impact of gas-liquid two-phase, The noise that effectively suppression bubble produces during crumbling and fall, and reduce splashing highly of spray, contribute to gas-liquid separation.

In certain embodiments, described outlet side is immersed in described liquid and horizontal forward extension or be tilted towards front lower place and prolong Stretch or be tilted towards front upper place and extend.

In certain embodiments, the mouth of pipe of described outlet side is the flat mouth-shaped that lateral length is more than vertical height.

In certain embodiments, the contour line of the mouth of pipe of described outlet side is wave or jaggies.

In certain embodiments, the cross section of the described mouth of pipe is axially symmetric structure.

In certain embodiments, the shape of cross section of described outlet side also includes: in circular, ellipse and Long Circle extremely The inner surface of few one and described air inlet pipe smoothly transits.

In certain embodiments, described air inlet pipe includes: the first pipe, and it is outer, another that one end of described first pipe is positioned at described casing One end is stretched in described casing；With the second pipe, described second pipe is positioned at the described of described casing and one end and described first pipe The other end is connected, the other end is configured to described outlet side and is immersed in described liquid.

In certain embodiments, described first pipe and described second pipe are integrated part and coordinate with described casing grafting.

In certain embodiments, described first pipe is integrated part and coordinates with described second pipe grafting with described casing.

In certain embodiments, described filter assemblies farther includes: water fender, and described water fender is vertical is located at described case Internal and be positioned at the side away from described gas outlet of described air inlet pipe, described water fender will be positioned at described liquid in described casing Space above body is separated into the first cavity and the second cavity being positioned at described water fender both sides, on described water fender and/or described Have between water fender with the liquid level of described liquid and connect described first cavity and the flow channels of described second cavity, described Two cavitys connect with described gas outlet.

According to the vacuum cleaner of this utility model second aspect, including: dust sucting pipeline；With according to this utility model first aspect Filter assemblies, the inlet end of described air inlet pipe connects with described dust sucting pipeline.

According to vacuum cleaner of the present utility model, by arranging the filter assemblies of above-mentioned first aspect, thus improve vacuum cleaner Overall performance.

Additional aspect of the present utility model and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by practice of the present utility model.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the filter assemblies according to this utility model embodiment；

Fig. 2 is the profile of the filter assemblies shown in Fig. 1；

Fig. 3 is the schematic diagram of the second pipe shown in Fig. 2；

Fig. 4 be the second pipe shown in Fig. 3 block figure；

Fig. 5 is the front view of the second pipe shown in Fig. 3；

Fig. 6 is the various deformation exemplary plot of the mouth of pipe shown in Fig. 5.

Reference:

Filter assemblies 100；

Casing 1；Liquid A；Gas cavity B；Block 11；Case lid 12；Air inlet 13；Gas outlet 14；

Air inlet pipe 2；Inlet end 21；Outlet side 22；The mouth of pipe 221；First pipe 201；Second pipe 202；

Escape pipe 3；Water fender 4.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model System.

Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.For letter Changing disclosure of the present utility model, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative, And it is not intended to limit this utility model.Additionally, this utility model can in different examples repeat reference numerals and/or Letter.This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiment and/or arranging Relation.

Below with reference to Fig. 1-Fig. 6, the filter assemblies 100 according to this utility model first aspect embodiment is described.

According to the filter assemblies 100 of this utility model first aspect embodiment, including: casing 1, it is loaded with liquid in casing 1 A, the part being positioned at liquid A top in casing 1 is gas cavity B.Such as in the example shown in Fig. 1 and Fig. 2, Casing 1 includes: the cube shaped block 11 that top is opened wide and lid are located at the case lid 12 at block 11 top, case lid 12 and block 11 coordinate to limit cube shaped cavity, can contain liquid A, the part being positioned at liquid A top in cavity in cavity For gas cavity B.Wherein, the cumulative volume of cavity can be constant, so, makes liquid level raise when increasing liquid A in cavity Time, the volume of gas cavity B is the most corresponding to be reduced, when taking out liquid A in cavity and making liquid level reduce, gas cavity B Volume is the most corresponding to be increased.Certainly, shape and the composition of casing 1 are not limited to this, as long as the container of liquid A can be contained i.e. Can.

Seeing figures.1.and.2, casing 1 has air inlet 13 and gas outlet 14, air inlet 13 is for defeated in casing 1 Entering dusty gas, dusty gas is rear in entering into casing 1 to be mixed, by liquid A with the liquid A (such as water) in casing 1 After dirt matter in dusty gas being filtered totally, clean air can enter in gas cavity B, and from gas outlet 14 It is discharged to outside casing 1.Such as in the example shown in Fig. 1 and Fig. 2, air inlet 13 and gas outlet 14 all can be formed at On the roof of casing 1, such as, it is formed on case lid 12, thus, it is possible to improve filter effect, and is easy to processing.Certainly, The position that arranges of air inlet 13 and gas outlet 14 is not limited to this, specifically can arrange according to actual requirement, with the most satisfied Actual requirement.

Filter assemblies 100 according to this utility model embodiment, also includes: air inlet pipe 2, air inlet pipe 2 and air inlet 13 phase Even, to introduce dusty gas in casing 1, say, that air inlet pipe 2 be directly or indirectly connected on air inlet 13 and Connecting with air inlet 13, thus, air inlet pipe 2 is convenient installs and can be introduced in casing 1 by dusty gas.Such as at Fig. 1 With in the example of Fig. 2, the inlet end 21 of air inlet pipe 2 is positioned at outside casing 1, outlet side 22 is positioned at casing 1, now enters That trachea 2 is through air inlet 13 and be connected with air inlet 13 inserting.Certainly, this utility model is not limited to this, in this reality With in novel some other embodiment, air inlet pipe 2 can also be fully located in casing 1, the inlet end of air inlet pipe 2 21 with Air inlet 13 directly or indirectly connects and connects (this example not shown).

As in figure 2 it is shown, the outlet side 22 of air inlet pipe 2 is positioned at casing 1 and is immersed in liquid A, thus, by air inlet pipe After the dusty gas that the inlet end 21 of 2 introduces flows through air inlet pipe 2, liquid can be discharged into by the outlet side 22 of air inlet pipe 2 In body A, efficiently and securely to contact with liquid A, thus preferably filtered by liquid A.It addition, this utility model is not Being limited to this, in other examples of the present utility model, outlet side 22 can also extend towards the direction of liquid A, with convergence Liquid but do not contact with liquid, at this point it is possible to rely on gas impulsive force guarantee gas-liquid mixed.

With reference to Fig. 2-Fig. 5, according to the air inlet pipe 2 of this utility model embodiment, along the fluid flow direction within air inlet pipe 2, I.e. along the direction of the outlet side 22 from the inlet end 21 of air inlet pipe 2 to air inlet pipe 2, the cross-sectional area of air inlet pipe 2 is gradually Increase, say, that the outlet side 22 of air inlet pipe 2 is increaser, thus, it is possible to be effectively reduced air inlet pipe 2 to liquid The gas flow rate of dusty gas is injected in A.

Air inlet pipe 2 according to this utility model embodiment, by the outlet side 22 of air inlet pipe 2 is processed as increaser, thus Air inlet pipe 2 can be effectively reduced in liquid A, inject the gas flow rate of dusty gas, to reach the useful effect of following several respects Really: (1) increases the incorporation time of dusty gas and liquid A so that dusty gas is more preferable with the mixed effect of liquid A, carries High filtration effect；(2) increase the contact area of dusty gas and liquid A, make the pollutant in gas more be filled by liquid A Divide ground to absorb, improve filter effect；(3) reducing the impact of gas-liquid two-phase, what effectively suppression bubble produced during crumbling and fall makes an uproar Sound；(4) that reduces spray splashes height, contributes to gas-liquid separation, improves gas output humidity etc..

In embodiments more of the present utility model, the horizontal forward extension in outlet side 22 of air inlet pipe 2 or be tilted towards front lower place Extend or be tilted towards front upper place and extend, thus facilitate air inlet pipe 2 to coordinate with the casing 1 of different structure shape, improve and adapt to Property.It is to say, outlet side 22 non-vertical of air inlet pipe 2 is given vent to anger downwards or gives vent to anger straight up.Thus, it is possible to effectively drop Low spray splash height so that the spray splash is away from gas outlet 14, so, not only can improve gas-liquid separation effect Really, and may insure that the size of casing 1 is the least, thus improve space availability ratio, make filter assemblies 100 miniaturization It is possibly realized.

Preferably, with reference to Fig. 3 and Fig. 5, the mouth of pipe 221 of the outlet side 22 of air inlet pipe 2 is formed as lateral length more than vertical The flat mouth-shaped of height, say, that when the outlet side 22 of air inlet pipe 2 uses horizontal flat Section Design, the i.e. mouth of pipe 221 Flat direction consistent with horizontal direction.Thus, on the premise of guaranteeing that air inlet pipe 2 is submerged in below liquid level, can be effective Ground reduces liquid level, reduces the amount filtering liquid A, reduces use cost and water tank service weight, and can reduce accordingly The size of casing 1, the beneficially miniaturization of filter assemblies 100 entirety.And, dusty gas can under liquid level substantially phase Same depth mixes with liquid A, thus improves dusty gas and the liquid A of outlet side 22 discharge of air inlet pipe 2 Overall mixed effect.It addition, use the water inlet pipe of outlet side 22 flattening design, beneficially filter assemblies 100 is small-sized Change.

In embodiments more of the present utility model, with reference to Fig. 3-Fig. 5, the wheel of the mouth of pipe 221 of the outlet side 22 of air inlet pipe 2 Profile is wave.It is to say, the cross section of the outlet side 22 of air inlet pipe 2 (i.e. section) is shaped as ripple section.By This, the mouth of pipe 221 of ripple section can aid in flat bubble and is dispersed into the bubble of less yardstick, increases gas liquid interfacial area, Improve gas-liquid mixed effect, and the mouth of pipe 221 perisporium of outlet side 22 is smooth without corner angle, thus significantly reduce hair, length The strip rubbish such as fiber block the possibility of the mouth of pipe 221.It addition, when the outlet side 22 of air inlet pipe 2 use flaring, flat mouth, During the structure of ripple section, the cross section of outlet side 22 is bigger, not only can preferably reduce speed of giving vent to anger, reduce gas-liquid two-phase Impact, suppression bubble crumble and fall during noise, it is also possible to preferably improve hair etc. and block the possibility of the mouths of pipe 221.When So, this utility model is not limited to this, and the contour line of the mouth of pipe 221 of the outlet side 22 of air inlet pipe 2 can be also configured to jaggies Etc. line style, thus play the action effect of approximation.

With reference to Fig. 6, the contour line of the mouth of pipe 221 can use the cycle of adjustable wave molding, such as wave molding, wavelength, shake The equal scalable of width.As shown in Fig. 6 (a), ripple in periodically and etc. amplitude variations, as shown in Fig. 6 (b), the ripple of ripple Long period is adjustable, as shown in Fig. 6 (c), ripple be aperiodicity and etc. amplitude variations, as shown in Fig. 6 (d), ripple in Aperiodicity and the amplitude variations such as non-.Thus, it is possible to specifically arrange the true form of the mouth of pipe 221 according to actual requirement, thus Contribute to flat bubble and be dispersed into the bubble of less yardstick, increase gas liquid interfacial area, improve gas-liquid mixed effect.

Preferably, the cross section of the mouth of pipe 221 is axially symmetric structure.Such as, the cross section of the mouth of pipe 221 can be formed as along it The axially symmetric structure that cross central line is symmetrical, it is also possible to be formed as the axially symmetric structure along its longitudinal centre line symmetry.Thus, It is easy to the processing of air inlet pipe 2, and it is effective to give vent to anger.Certainly, this utility model is not limited to this, and the cross section of the mouth of pipe 221 is also Other polymorphic structures can be designed to, to facilitate installation according to the actual configuration of casing 1.

In an embodiment of the present utility model, the shape of cross section of the outlet side 22 of air inlet pipe 2 also includes: circular, ellipse At least one in circular and Long Circle, and the inner surface of air inlet pipe 2 smoothly transits.Such as shown in Fig. 3 and Fig. 5 In example, air inlet pipe 2 is along its internal gas flow direction, and cross section is respectively circular, Long Circle and waveform, and The most adjacent cross section all smoothly transits connected.Thus, each cross-sectional area of air inlet pipe 2 can uniformly increase, and convenient increase The lateral dimension of the port of export of air inlet pipe 2, is conducive to expanding gas liquid interfacial area, forms the minute bubbles of more multiply, improved Filter effect, and the smooth inner wall of air inlet pipe 2 may insure that air current flow is more smooth and easy, to reduce flow losses, reduce and inhale merit Loss, reduces energy consumption.

In an embodiment of the present utility model, air inlet pipe 2 includes: the first pipe 201 and the second pipe 202, the first pipe 201 One end be positioned at that casing 1 is outer, the other end stretches into casing 1, the second pipe 202 is positioned at casing 1 and one end and the first pipe 201 The other end be connected, the other end is immersed in liquid A.Thus, it is simple to install and process.

The most in the illustrated example shown in fig. 2, the first pipe 201 can extend along vertical direction and run through the air inlet on case lid 12 13, the upper end of the first pipe 201 is for air inlet and is positioned at outside casing 1, and the lower end of the first pipe 201 is used for giving vent to anger and being positioned at casing In 1, the second pipe 202 is positioned at casing 1 and generally L-shaped, the upper end of the second pipe 202 for air inlet and with the first pipe 201 Lower end be connected, the lower end of the second pipe 202 is immersed in liquid A and horizontal forward opens wide for giving vent to anger, the second pipe 202 Lower end be formed as flaring waveform and twitch one's mouth pipe.Certainly, this utility model is not limited to this, implements at of the present utility model other In example, the first pipe 201 can also run through casing 1 along other directions, such as, can also run through the side of casing 1 in the horizontal direction Wall, the lower end of the second pipe 202 can also be opened wide towards other directions.Here, it should be noted that " vertical " refers to erect Nogata to or in vertical direction with the incline direction less than 45 ° of angles.

In examples more of the present utility model, processing for convenience, the first pipe 201 and the second pipe 202 can be non-disconnectable Point integral piece (the most one-body molded or bonding, welding is fixing etc. integral).Certainly, this utility model is not limited to this, In other examples of the present utility model, processing for convenience, the first pipe 201 can also be can not be split with casing 1 Integral piece (the most one-body molded or bonding, welding is fixing etc. integral) and coordinating with the second pipe 202 grafting, namely Saying, the first pipe 201 is made as one with casing 1 (such as case lid 12), and is individually to process with the second pipe 202 Parts, the upper end of the lower end of the first pipe 201 and the second pipe 202 can coordinate (the i.e. mouth of pipe and the sleeve of the mouth of pipe that be connected with grafting Coordinate).

It addition, see figures.1.and.2, can also include according to the filter assemblies 100 of this utility model embodiment: escape pipe 3, Escape pipe 3 is connected with gas outlet 14, to be discharged by the clean gas after the filtration in casing 1.Such as Fig. 1's and Fig. 2 In example, the outlet side of escape pipe 3 is positioned at outside casing 1, inlet end is positioned at casing 1, and now escape pipe 3 is through out QI KOU 14 and be connected with gas outlet 14 inserting.Certainly, this utility model is not limited to this, of the present utility model other one In a little embodiments, escape pipe 3 can also be fully located at outside casing 1, the inlet end of escape pipe 3 and gas outlet 14 directly or It is indirectly connected with and connects (this example not shown).

Further, can also include according to the filter assemblies 100 of this utility model embodiment: water fender 4, water fender 4 Can be located at the side away from escape pipe 3 of air inlet pipe 2 and vertical setting, water fender 4 will be positioned at liquid A in casing 1 The space of top is separated into the first cavity and the second cavity being positioned at plane both sides, water fender 4 place, wherein, air inlet pipe 2 The part being positioned at more than liquid A may be located at the second cavity, the part submerged in liquid A of air inlet pipe 2 can towards with First cavity just to direction extend and open wide, the volume of the first cavity less than the volume of the second cavity, the second cavity with give vent to anger Mouth 14 connection.

Wherein, no matter whether water fender 4 is immersed in liquid A, on water fender 4 all could be formed with connection the first cavity and The flow channels of the second cavity, when water fender 4 is not immersed in liquid A, can between water fender 4 and the liquid level of liquid A To be formed with connection the first cavity and the flow channels of the second cavity.Such as in the example shown in Fig. 1 and Fig. 2, escape pipe 3 rear sides being located at air inlet pipe 2, water fender 4 is positioned at the front side of air inlet pipe 2, and water fender 4 is downwardly extended and it by case lid 12 Lower end and liquid A surface separate to limit flow channels between the upper and lower.Thus, water fender 4 can play the effect of dash.

According to the vacuum cleaner of this utility model second aspect embodiment, including: dust sucting pipeline with according to this utility model above-mentioned On the one hand the filter assemblies 100 of embodiment, air inlet pipe 2 connects with dust sucting pipeline.Thus, during vacuum cleaner work, The dusty gas that vacuum cleaner draws is input in air inlet pipe 2 by dust sucting pipeline, and dusty gas is flow to give vent to anger by air inlet pipe 2 Time at the flaring of end 22, waveform, the prolate mouth of pipe 221, can slow down and flow and gradually crumble and fall into multiply little yardstick bubble, The least yardstick dust-laden bubble mixes with liquid A, and under the common effect of water fender 4 and casing 1, dusty gas with Liquid A is vigorously mixed in the region on front side of air inlet pipe 2, so that dust is substantially soluble in liquid A, clean gas carries The globule, by moving to water fender 4 posterior region on the downside of water fender 4, owing to this accommodates enlarged areas, thus reduces flow velocity, The globule that gas is carried with it efficiently separates, and the final clean gas without the globule can be by the escape pipe on casing 1 3 discharge, and the downstream pipe being transported in vacuum cleaner.

According to the vacuum cleaner of this utility model embodiment, by arranging the filter assemblies 100 of above-mentioned first aspect embodiment, due to The air inlet pipe 2 of filter assemblies 100 give vent to anger bubble can defeated and dispersed one-tenth little yardstick bubble, thus dust and liquid in improve bubble The hybrid filtering effect of body A, and owing to the cross-sectional area of air inlet pipe 2 changes uniformly, thus reduce air current flow loss, Improve the suction merit of vacuum cleaner complete machine, reduce energy consumption, further, since outlet side 22 mouth of pipe 221 of air inlet pipe 2 is formed as flat Long wavy shaped configuration, thus reduce rubbish and block the probability of the mouth of pipe 221, and, the structure of the outlet side 22 of air inlet pipe 2 can Gas velocity with effective reduction, reduce the impact of dusty gas and liquid A, increase the incorporation time of dusty gas and water and connect Contacting surface is amassed, and reduces spray and splashes height, the noise problem that effectively suppression bubble produces during crumbling and fall, to sum up, and vacuum cleaner Performance is effectively improved.In addition, it is necessary to explanation, with according to this utility model embodiment vacuum cleaner other constitute with And operation is the most all known, it is not detailed herein.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length Degree ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " perpendicular Directly ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to describe this utility model and simplifying describe rather than instruction or the device of hint indication or element must have specifically Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or imply relatively important Property or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " feature permissible Express or implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that Two or more, unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", The term such as " fix " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral； Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals or two elements Interaction relationship.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be Concrete meaning in utility model.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, first Feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than Second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " tool Body example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material Material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned term Schematic representation is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or Person's feature can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the most conflicting feelings Under condition, those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or show The feature of example is combined and combines.

Embodiment the most of the present utility model, it will be understood by those skilled in the art that: not These embodiments can be carried out multiple change in the case of departing from principle of the present utility model and objective, revise, replace and become Type, scope of the present utility model is limited by claim and equivalent thereof.

Claims (11)

1. a filter assemblies, it is characterised in that including:

Casing, is loaded with liquid, described casing has air inlet and gas outlet in described casing；

Air inlet pipe, described air inlet pipe is connected with described air inlet, the outlet side of described air inlet pipe be positioned at described casing and towards Described liquid extends or is immersed in described liquid, along the fluid flow direction within described air inlet pipe, described air inlet pipe Cross-sectional area is gradually increased.

Filter assemblies the most according to claim 1, it is characterised in that described outlet side is immersed in described liquid and water Put down and extend forward or be tilted towards front lower place extension or be tilted towards front upper place extension.

Filter assemblies the most according to claim 2, it is characterised in that the mouth of pipe of described outlet side is that lateral length is more than The flat mouth-shaped of vertical height.

4. according to the filter assemblies according to any one of claim 1-3, it is characterised in that the wheel of the mouth of pipe of described outlet side Profile is wave or jaggies.

Filter assemblies the most according to claim 4, it is characterised in that the cross section of the described mouth of pipe is axially symmetric structure.

Filter assemblies the most according to claim 4, it is characterised in that the shape of cross section of described air inlet pipe also includes: The inner surface of at least one and described air inlet pipe in circular, oval and Long Circle smoothly transits.

Filter assemblies the most according to claim 1, it is characterised in that described air inlet pipe includes:

First pipe, one end of described first pipe is positioned at outside described casing, the other end stretches into described casing；With

Second pipe, described second pipe be positioned at described casing and one end be connected with the described other end of described first pipe, the other end It is configured to described outlet side and is immersed in described liquid.

Filter assemblies the most according to claim 7, it is characterised in that described first pipe and described second pipe are integrated part And coordinate with described casing grafting.

Filter assemblies the most according to claim 7, it is characterised in that described first pipe with described casing be integrated part and Coordinate with described second pipe grafting.

Filter assemblies the most according to claim 1, it is characterised in that farther include:

Water fender, described water fender is vertical be located at described casing in and be positioned at the side away from described gas outlet of described air inlet pipe, The space above described liquid that is positioned in described casing is separated into and is positioned at the first chamber of described water fender both sides by described water fender Body and the second cavity, have on described water fender and/or between described water fender with the liquid level of described liquid and connect described first chamber Body and the flow channels of described second cavity, described second cavity connects with described gas outlet.

11. 1 kinds of vacuum cleaners, it is characterised in that including:

Dust sucting pipeline；With

According to the filter assemblies according to any one of claim 1-10, the inlet end of described air inlet pipe is with described dust sucting pipeline even Logical.