CN205625809U - 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 filter screen shell, the splendid attire has liquid in the box, air inlet and gas outlet have on the box, the filter screen shell is established just be located in the box the top of liquid, the gas outlet intercommunication extremely inside the filter screen shell, the filter screen shell with bottom gap between the box is greater than the crest clearance. According to the utility model discloses a filtering component is because the bottom gap between filter screen shell and the box is great to not only improved the homogeneity of admitting air effectively, but also reduced the gas flow rate effectively, avoided because the too high liquid drop that carries that causes of gas flow rate gets into the problem in the filter screen shell.

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.Gas-liquid separation mechanism is the core component of water tank with strainer, and its effect is to separate the drop entrained by upstream gas, And the spray splash on rear side of water fender is stopped effectively.

Judge that the performance of gas-liquid separation mechanism is the most excellent, depend on following three points: the first, see gas-liquid separation mechanism pair Whether the drop that upstream airflow is carried can be completely separated；The second, see whether gas-liquid separation mechanism can stop dash effectively Plate fail stop splash spray；3rd, see that gas-liquid separation mechanism is the biggest to the flow resistance of gas.But, relevant skill Gas-liquid separation mechanism in art all cannot accomplish all sidedly above some, the most in use, otherwise cannot by gas and Drop is completely separated, or cannot effectively stop and splash spray, or increases the flow resistance of gas, thus causes gas-liquid Separating effect is undesirable.

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 performance 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；And drainage screen shell, described drainage screen shell is located in described casing and is positioned at described liquid Top, described gas outlet is communicated to the bottom gap inside described drainage screen shell, between described drainage screen shell and described casing More than top clearance.

According to filter assemblies of the present utility model, owing to the bottom gap between drainage screen shell and casing is relatively big, thus not only have Improve intake uniformity to effect, but also significantly reduce gas flow rate, it is to avoid cause owing to gas flow rate is too high takes The problem in drainage screen shell is entered with drop.

In certain embodiments, the gap between described drainage screen shell and described casing is gradually increased from the top down.

In certain embodiments, the cross-sectional area of described drainage screen shell is from up to down gradually reduced.

In certain embodiments, the diapire of described drainage screen shell is horizontal and non-horizontal is arranged, and on the sidewall of described drainage screen shell The position that is connected of the lowest part with described diapire be formed with perforation.

In certain embodiments, the setting spaced apart with the inner surface of described casing of the outer surface of described drainage screen shell, and described mistake Remaining each surface in addition to diapire of filter screen shell has been respectively formed on filtering holes.

In certain embodiments, the centrage of described gas outlet overlaps with the centrage of described drainage screen shell.

In certain embodiments, described drainage screen shell includes: annular sidewall, and described annular sidewall is along away from described gas outlet Direction extend；And two end walls, said two end wall is connected to the axial two ends of described annular sidewall, and described two One of them in individual end wall and described annular sidewall are integrated part, another and the described annular sidewall in said two end wall It is detachably connected.

In certain embodiments, the inner surface of described annular sidewall is smooth.

In certain embodiments, described filter assemblies also includes: air inlet pipe, and described air inlet pipe is stretched into described by described air inlet In casing, described air inlet pipe has the first locating part；Escape pipe, described escape pipe is stretched into described casing by described gas outlet In, described escape pipe has the second locating part, wherein, described drainage screen shell by with described first locating part and described the The cooperation of two locating parts is fixed in described casing.

In certain embodiments, described first locating part is the support platform supporting described drainage screen shell diapire, described second limit That supports described drainage screen roof wall till the part of position only supports projection.

In certain embodiments, the mouth of pipe inserting of one end of described escape pipe is in described drainage screen shell, and described projection of only supporting is Around described escape pipe one week and spaced apart with the described mouth of pipe to be only against the annular protrusion on described drainage screen shell outer surface.

In certain embodiments, the vertical setting of described air inlet pipe, described air inlet pipe is provided with the water fender of vertical setting, along Away from the direction of described water fender, the diapire of described drainage screen shell tilts upward extension.

In certain embodiments, described drainage screen shell has the recess caving inward to dodge described air inlet pipe.

In certain embodiments, it is filled with filter element in described drainage screen shell.

According to the vacuum cleaner of this utility model second aspect, including: dust sucting pipeline and the mistake according to this utility model first aspect Filter assembly, described air inlet 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 explosive view of the filter assemblies shown in Fig. 1；

Fig. 4 is the schematic diagram of the water fender shown in Fig. 3, case lid, air inlet pipe and escape pipe；

Fig. 5 is the explosive view of the drainage screen shell shown in Fig. 2.

Reference:

Filter assemblies 100；

Casing 1；Liquid A；First cavity B1；Second cavity B2；Block 11；Case lid 12；

Air inlet 13；Gas outlet 14；Air inlet pipe 2；First pipeline section 21；Second pipeline section 22；Support platform 23；

Escape pipe 3；Only support protruding 31；Water fender 4；

Drainage screen shell 5；Upper end wall 51；Annular sidewall 52；Recess 521；Lower end wall 53.

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. 5, 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.Such as in the example shown in Fig. 1 and Fig. 2, case Body 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 cuboid cavity, can contain liquid A, the part being positioned at liquid A top in cavity in cavity For gas cavity.Wherein, the cumulative volume of cavity can be constant, so, when increasing liquid A in cavity and making liquid level raise, The volume of gas cavity is the most corresponding to be reduced, and when taking out liquid A in cavity and making liquid level reduce, the volume of gas cavity is with regard to phase Should increase.Certainly, shape and the composition of casing 1 are not limited to this, as long as the container of liquid A can be contained.

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, and discharges from gas outlet 14 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 casing On the roof of 1, such as, it is formed on case lid 12, thus, it is possible to improve filter effect, and is easy to processing.Certainly, air inlet The position that arranges of mouth 13 and gas outlet 14 is not limited to this, specifically can arrange according to actual requirement, preferably to meet reality Requirement.

Filter assemblies 100 according to this utility model embodiment, also includes: drainage screen shell 5, and drainage screen shell 5 is located at casing 1 In and be positioned at the top of liquid A, it is internal that gas outlet 14 is communicated to drainage screen shell 5, say, that the gas in casing 1 After being only introduced into drainage screen shell 5 inside, gas outlet 14 could be passed through and be discharged to casing 1 outside, thus casing 1 is internal If purified gas carries drop, during it enters drainage screen shell 5, it is possible to carry out gas-liquid separation so that Drop after separation drips back in the liquid A in casing 1 again, and the purification air after separating can pass through gas outlet 14 Discharge.Thus, it is possible to avoid droplets from entering air channel, downstream the motor in electrical equipment (such as vacuum cleaner) is produced harmful effect, And exhaust steam moisture can be reduced.

As in figure 2 it is shown, the bottom gap between drainage screen shell 5 and casing 1 is more than the top between drainage screen shell 5 and casing 1 So on the one hand gap, portion, can be effectively prevented from that bottom gap between drainage screen shell 5 and casing 1 sidewall is less to be caused Air-flow accelerate and carry drop enter drainage screen shell 5 problem (i.e. significantly reduce gas enter drainage screen shell 5 flow velocity, Prevent high flow rate gas from carrying the problem that drop enters drainage screen shell 5), on the other hand, by increasing drainage screen shell 5 and casing Bottom gap between 1 so that more gas can enter between drainage screen shell 5 and casing 1, with drainage screen shell 5 Sidewall contact more fully with roof, thus improve the intake uniformity of drainage screen shell 5, in a disguised form increase air inlet face Long-pending, such that it is able to be effectively improved gas-liquid separation effect, and owing to the bottom gap between drainage screen shell 5 and casing 1 is relatively big, So that gas to enter drainage screen shell 5 by other surfaces beyond drainage screen shell 5 bottom surface internal, and then improve into Gas uniformity and intake efficiency.

Preferably, the gap between drainage screen shell 5 and casing 1 is gradually increased from the top down.Thus, convenient processing, and enter Gas uniformity is more preferable.Further, as in figure 2 it is shown, the cross-sectional area of drainage screen shell 5 is from up to down gradually reduced, i.e. mistake Filter screen shell 5 from up to down pattern draft is gradually increased, thus when drainage screen shell 5 is formed as substantially cuboid, can be true The gap protected between drainage screen shell 5 and casing 1 sidewall can from up to down be gradually increased, as such, it is possible to be effectively prevented from Between filter screen shell 5 and casing 1 sidewall, the less air-flow caused of bottom gap accelerates and carries drop and enter asking of drainage screen shell 5 Topic, such that it is able to be effectively improved gas-liquid separation effect.It addition, by increasing between drainage screen shell 5 and casing 1 inwall Distance, it is also possible to improve gas and enter the intake uniformity of drainage screen shell 5, improve Liquid Flow effect, and drainage screen shell 5 Convenient processing.

Filter assemblies 100 according to this utility model embodiment, by being processed into the most tapered shape by drainage screen shell 5 (such as inverted round table shape), such that it is able to avoid drainage screen shell 5 and casing 1 medial wall and with casing 1 internal part (example Air inlet pipe 2 as mentioned below) apart from too near, and then intake uniformity can be effectively improved, improve gas flowing.And And, owing to the gap between drainage screen shell 5 and casing 1 sidewall can from up to down be gradually increased, such that it is able to effectively keep away Exempt from the less air-flow caused of bottom gap between drainage screen shell 5 and casing 1 sidewall to accelerate and carry drop and enter drainage screen shell 5 Problem, and then gas-liquid separation effect can be effectively improved.

In an embodiment of the present utility model, with reference to Fig. 2, the diapire of drainage screen shell 5 is horizontal and non-horizontal is arranged, and mistake The position that the lowest part with diapire on the sidewall of filter screen shell 5 is connected is formed with perforation (such as, mesh-structured perforation, i.e. The perforation of filtering holes structure), say, that the diapire general horizontal of drainage screen shell 5 arrange (i.e. the diapire of drainage screen shell 5 with Horizontal plane is in the angle less than 45 ° and more than 0 °), perforation penetrates the sidewall of filter screen shell 5, and the lowest part of adjacent bottom wall, It is to say, the nearest position of the distance liquid level of drainage screen shell 5 sidewall is formed with perforation.Thus, drainage screen shell 5 is entered Interior a small amount of water droplet can converge at minimum point along the diapire inclined-plane of drainage screen shell 5, is then discharged by perforation and liquid A mixes, thus effectively improves the hydrops problem within drainage screen shell 5, it is to avoid hydrops under the drive of air-flow from giving vent to anger Mouth 14 is discharged.In addition, it is necessary to explanation, on the sidewall of drainage screen shell 5 in addition to being formed with perforation, the most all right Being formed with filtering holes, filtering holes can also play the effect discharged by hydrops, it addition, perforation also can make as filtering holes certainly With, play the effect of air inlet separation drop.

It addition, in concrete examples more of the present utility model, when being provided with water fender 4 (the most described hereinafter) in casing 1, Along the direction away from water fender 4, the diapire of drainage screen shell 5 tilts upward extension, say, that the end of drainage screen shell 5 One end of the neighbouring water fender 4 of wall is relatively low, and one end away from water fender 4 of the diapire of drainage screen shell 5 is higher.Thus, logical The air-flow crossing water fender 4 would generally make liquid A splash spray in the side away from water fender 4, when being processed by drainage screen shell 5 When becoming said structure, can effectively improve spray and splash problem.

In an embodiment of the present utility model, with reference to Fig. 2, the outer surface of drainage screen shell 5 and the inner surface interval of casing 1 Open, say, that drainage screen shell 5 be suspended at casing 1 internal and and the inner surface of casing 1 between there is certain interval, Thus gas (including containing liquid gas) can contact with each surface of drainage screen shell 5, so, when removing of drainage screen shell 5 When remaining surface beyond diapire has been respectively formed on filtering holes, gas can be uniform by these filtering holes on drainage screen shell 5 Ground enters in drainage screen shell 5, thus, is effectively improved intake uniformity and the intake efficiency of drainage screen shell 5, reduce into Atmidometer, reduces inlet loss.

Here, it should be noted that filtering holes generally can be not provided with on the diapire of drainage screen shell 5, splash spray to improve The problem in drainage screen shell 5 is entered by the diapire of drainage screen shell 5.But, this utility model is not limited to this, in this practicality In other novel embodiments, the diapire of drainage screen shell 5 could be formed with the filtering holes that aperture is less, so on the one hand can To improve the problem splashing spray entrance drainage screen shell 5, on the other hand air inlet area and intake uniformity can also be improved.

In short, drainage screen shell 5 be processed into top, surrounding, (even bottom) all can with the structure of air inlet, such that it is able to Effectively increase the air inlet area of drainage screen shell 5, improve air inlet uniformity degree, improve gas-liquid separation effect, reduce induction air flow ratio, Reduce intake resistance, reduce inlet loss.It addition, when the aperture of filtering holes is processed larger time, can be further Ground increases air inlet area, reduces the gas-liquid flow velocity by filtering holes, improves gas-liquid separation effect, and can reduce gas further The liquid resistance by filtering holes, improves the adverse effect caused complete machine (such as vacuum cleaner) suction because of inlet loss further.

In a preferred embodiment of the present utility model, the centrage of gas outlet 14 overlaps with the centrage of drainage screen shell 5, It is to say, drainage screen shell 5 is symmetrically installed at the gas outlet 14 of casing 1, thus, gas can be more evenly and symmetrically Ground is discharged by gas outlet 14 by drainage screen shell 5 is internal, thus solves the flow losses problem that inequality of giving vent to anger causes, simultaneously Also improve the gas flow condition within drainage screen shell 5, improve gas-liquid separation effect.

Below, the drainage screen shell 5 according to one specific embodiment of this utility model is described.

As shown in Figure 2 and Figure 4, drainage screen shell 5 includes: annular sidewall 52 and two end wall (upper ends the most hereinafter described Wall 51 and lower end wall 53), the cross section of annular sidewall 52 is formed as closed ring (being not limited to straight-flanked ring, circular rings etc.) And extend along the direction away from gas outlet 14, say, that the axially extending line of annular sidewall 52 is along away from giving vent to anger The direction of mouthfuls 14 extends, and two end walls are connected to the axial two ends of annular sidewall 52, the most in the example of fig. 4, Gas outlet 14 is formed on the roof of casing 1, and the axially extending line of annular sidewall 52 downwardly extends, the top of annular sidewall 52 End is provided with upper end wall 51, and the bottom of annular sidewall 52 is provided with lower end wall 53.Thus, except the filtration formed on drainage screen shell 5 Outside hole, drainage screen shell 5 is capsul structure, such that it is able to be loaded in drainage screen shell 5 by filter element etc., to play preferably Gas-liquid separation effect.Here, it should be noted that filter element selects the material with gas-liquid separating characteristic to make, such as silica gel Or sponge etc..

Preferably, one of them in two end walls and annular sidewall 52 are integrated part (i.e. can not be split), in two end walls Another be detachably connected with annular sidewall 52, thus, the simple in construction of drainage screen shell 5, be easy to processing, be easy to clear Clean, be easy to load filter element, and the structural reliability of the drainage screen shell 5 of this kind of structure is high.Such as in the example shown in Fig. 4 In, upper end wall 51 is detachably connected with annular sidewall 52, such as can by snapping connection, interference fit connect, spiral shell Stricture of vagina connection etc. is detachably connected, and lower end wall 53 and annular sidewall 52 are the integral piece that can not be split, the most one-body molded or It is adhesively fixed.Thus, convenient processing and dismounting.Certainly, this utility model is not limited to this, annular sidewall 52 can also with under End wall 53 is detachably connected and is configured to integral piece with upper end wall 51.

Alternatively, the inner surface of annular sidewall 52 is smooth, say, that the inner surface of annular sidewall 52 does not has corner angle, by This, can be effectively reduced flow losses.The most in the example depicted in fig. 4, the inner surface of annular sidewall 52 can construct Become the smooth face of cylinder, thus, it is possible to improve the intake uniformity of drainage screen shell 5, but also drainage screen shell 5 can be optimized Interior fluid flowing, reduces drag losses.

It addition, in other embodiments of the present utility model, drainage screen shell 5 has the recess 521 caved inward, thus The effect of the miscellaneous part (air inlet pipe 2 the most hereinafter described) dodged in casing 1 can be played, thus improve filtration group The structural compactness of part 100 entirety, the structure making filter assemblies 100 can more miniaturization.Such as in showing shown in Fig. 4 In example, recess 521 is formed on the annular sidewall 52 of drainage screen shell 5, and by the appearance on annular sidewall 52 towards it Axis direction depression is formed, and now, the inner surface of annular sidewall 52 still can be smooth, thus recess 521 is kept away playing Allow while acting on, it is also possible to be effectively reduced gas flow resistance.

In an embodiment of the present utility model, filter assemblies 100 also includes: air inlet pipe 2 and escape pipe 3, air inlet pipe 2 Can stretch in casing 1 by air inlet 13, escape pipe 3 can stretch in casing 1 by gas outlet 14, thus, and casing 1 It is internal that extraneous gas can input casing 1 by air inlet pipe 2, and the purification gas after the internal purification of casing 1 can pass through It is outside that trachea 3 is discharged to casing 1.Thus, the clean-up effect of filter assemblies 100 is more preferable.In addition, it is necessary to explanation, Either air inlet pipe 2 or escape pipe 3, all can be configured to, with casing 1, the integral piece that can not be split, or with casing 1 It is detachably connected, to meet actual requirement.

The most in the illustrated example shown in fig. 2, air inlet 13 and gas outlet 14 are both formed on case lid 12, and escape pipe 3 is vertical Running through gas outlet 14 and be configured to, with case lid 12, the integral piece that can not be split, air inlet pipe 2 includes the first pipeline section 21 and the second pipe Section 22, the first pipeline section 21 is vertical to be run through air inlet 13 and is the integral piece that can not be split with case lid 12, and the second pipeline section 22 sets In casing 1, and the upper end of the second pipeline section 22 can be connected with the dismountable grafting in lower end of the first pipeline section 21, the second pipe The lower end of section 22 can be submerged inside liquid A, the gas purified will be needed to be directly inputted in liquid A, thus improves Gas-liquid mixed clean-up effect.Certainly, the lower end of the second pipeline section 22 can also be without submerging in liquid A, such as non-with liquid A Very close to, such that it is able to impacted in liquid A by the impulsive force of gas self.Here, it should be noted that " vertical Arrange " refer to be vertically arranged or be vertically arranged into being obliquely installed less than 45 ° of angles.

Wherein, as shown in Figures 2 and 3, air inlet pipe 2 has the first locating part, escape pipe 3 has the second locating part, Drainage screen shell 5 can by with the first locating part and the second locating part coordinate static housing 1 in.Thus, drainage screen is facilitated The assembling of shell 5, and simplify the structure complexity within casing 1, thus reduce cost, improve structural compactness, Improve the functional reliability of filter assemblies 100.

As shown in Figures 2 and 3, the first locating part is the support platform 23 supporting drainage screen shell 5 diapire, and the second locating part is That only supports drainage screen shell 5 roof only supports protruding 31.Thus, by support platform 23 with only to the clamping up and down of projection 31, Thus it is effectively improved reliability and the convenience of dismounting that drainage screen shell 5 is installed.

Further, with reference to Fig. 2 and Fig. 3, the mouth of pipe inserting of one end (the such as lower end shown in Fig. 2) of escape pipe 3 exists In drainage screen shell 5, only support protruding 31 for around escape pipe 3 one weeks and spaced apart with the above-mentioned mouth of pipe to be only against drainage screen shell 5 Annular protrusion on outer surface (the such as upper surface shown in Fig. 2), thus in escape pipe 3 and drainage screen shell 5 assembling During, the first locating part puts in place with drainage screen shell 5 automatic spacing, thus improves efficiency of assembling and connection reliability.

It addition, by the first locating part and second locating part positioning action to drainage screen shell 5, it can be ensured that drainage screen shell 5 With casing 1 spaced apart from inner walls, so, when each surface (the such as upper end wall 51, annular sidewall 52, very of drainage screen shell 5 To lower end wall 53) on when all there is filtering holes, drainage screen shell 5 fully and air inlet equably can increase air inlet area, fall Low induction air flow ratio, thus improve gas-liquid separation effect.Certainly, this utility model is not limited to this, each table of drainage screen shell 5 Face (such as upper end wall 51, annular sidewall 52 and lower end wall 53) nor is it necessary that the most processed filter opening, specifically will basis Actual requirement selects to arrange.

It addition, with reference to Fig. 3 and Fig. 5, air inlet pipe 2 is also provided with the water fender 4 of vertical setting, such as water fender 4 can To be detachably arranged in air inlet pipe 2 or with air inlet pipe 2 for the integral piece that can not be split, wherein, water fender 4 with enter The space above liquid A that is positioned in casing 1 is separated into the both sides that are positioned on water fender 4 thickness direction by trachea 2 jointly First cavity B1 and the second cavity B2, say, that water fender 4 place there is certain thickness plane by gas cavity It is separated into two parts, is the first cavity B1 and the second cavity B2 respectively.

Further, with reference to Fig. 2 and Fig. 4, have on water fender 4 and/or between water fender 4 and the liquid level of liquid A and connect First cavity B1 and the flow channels of the second cavity B2 so that the gas in the first cavity B1 can by flow channels to Circulation in second cavity B2.Wherein, flow channels is preferably located at more than liquid level, such as in some embodiments of utility model, The bottom of water fender 4 is positioned at the top of liquid A, and now, flow channels not only can be formed on water fender 4, but also can be by Jointly limit between bottom side edge edge and the liquid level of water fender 4, and for example in the other embodiment of utility model, dash The lower submerged of plate 4 is in liquid A, and now, flow channels can be formed on water fender 4.

Preferably, the outlet side of air inlet pipe 2 towards with the first cavity B1 the most just to direction open wide, the second cavity B2 with Gas outlet 14 connects, and thus, air inlet pipe 2 gas being passed through in liquid A can be introduced into the first cavity B1, then by mistake Circulation road enters in the second cavity B2, finally discharges from gas outlet 14, thus completes liquid A filter process.

Thus, owing to water fender 4 is located in air inlet pipe 2, thus avoid being formed between water fender 4 and air inlet pipe 2 narrow and small seam Gap, causes accumulating foulants to be herein difficult to the problem cleared up, and is additionally, since water fender 4 and is located in air inlet pipe 2, thus simplifies Water fender 4 structure so that water fender 4 is easily installed and processes, reduce production and processing difficulty, improve easy making process Property and efficiency, reduce cost, when water fender 4 and air inlet pipe 2 are for being integrated part, filtration can be simplified to a greater degree The structural complexity of assembly 100 so that the structure of filter assemblies 100 can be compacter, degree of miniaturization is high.It addition, By water fender 4 is located in air inlet pipe 2, thus improves water fender 4 and coordinate the best with air inlet pipe 2, the gas-liquid caused The problem of mixed effect difference, and the problem that gas flow resistance is big.

Preferably, according in the example shown in this utility model Fig. 2, the volume of the first cavity B1 is less than the second cavity B2's Volume, say, that the small volume of the gas cavity of the side away from gas outlet 14 of air inlet pipe 2.So, due to gear Gas cavity is separated into small one and large one two cavitys by water plate 4 and air inlet pipe 2 jointly, thus gas can be at small volume More fully mix with liquid A, meanwhile, when gas passed through from the first cavity B1 of small volume in first cavity B1 When circulation road enters in the second cavity B2 that volume is bigger, the flow velocity of gas can effectively reduce, consequently facilitating gas carries The globule and gas send gas-liquid separation, thus reduce exhaust steam moisture.

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 Mixing with the liquid A in escape pipe 3 in end and gradually crumble and fall into little yardstick bubble, the least yardstick dust-laden bubble is by outlet side The mouth of pipe is sufficiently mixed with liquid A in being discharged to liquid A, under the common effect of water fender 4 and casing 1, and dusty gas Being vigorously mixed with liquid A in the first cavity B1, dust is soluble in water, and gas carries the globule and flowed by the downside of water fender 4 In the second cavity B2, make the flow velocity of gas reduce due to the enlarged areas of the second cavity B2, thus improve gas-liquid and divide From effect, gas rises through drainage screen shell 5, and drainage screen shell 5 (or filter element internal with it) filters out in gas further Contained a small amount of globule, final clean air can be discharged by escape pipe 3, and the downstream pipe being transported in vacuum cleaner.

Thus, according to the vacuum cleaner of this utility model embodiment, by arranging the filter assemblies 100 of above-mentioned first aspect embodiment, The performance of vacuum cleaner can be effectively improved.In addition, it is necessary to explanation, with according to this utility model embodiment vacuum cleaner Other constitute and operation be the most all known, be not detailed herein.

In sum, according to filter assemblies 100 and the vacuum cleaner of this utility model embodiment, (1) efficiently solves sponge Filter element is blocked up or other high molecular filter elements cause the problem that gas-liquid separation resistance is big because of material behavior, thus is effectively improved gas Liquid separating effect, (2) efficiently solve and pour drainage screen shell 5 owing to the little high-speed gas caused of air inlet area carries drop Problem, and due to the problem that the little intake resistance caused of air inlet area is big and filter efficiency is low, (3) efficiently solve The spray entrance drainage screen shell 5 that splashes caused near casing 1 inwall due to drainage screen shell 5 affects the problem of gas-liquid separation effect, (4) efficiently solve and cause flowing owing to giving vent to anger of causing of drainage screen shell 5 asymmetric installation at gas outlet 14 is uneven Lose big problem.

In description of the present utility model, it is to be understood that term " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", Orientation or the position relationship of the instruction such as " outward ", " radially ", " circumferential " are based on orientation shown in the drawings or position relationship, It is for only for ease of description this utility model and simplifies description rather than instruction or imply that the device of indication or element must have Specific 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 (15)

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；And

Drainage screen shell, described drainage screen shell is located in described casing and is positioned at the top of described liquid, and described gas outlet is communicated to Inside described drainage screen shell, the bottom gap between described drainage screen shell and described casing is more than top clearance.

Filter assemblies the most according to claim 1, it is characterised in that between described drainage screen shell and described casing Gap is gradually increased from the top down.

Filter assemblies the most according to claim 2, it is characterised in that the cross-sectional area of described drainage screen shell is from up to down It is gradually reduced.

Filter assemblies the most according to claim 1, it is characterised in that the diapire of described drainage screen shell is horizontal and non-horizontal Arrange, and the position that the lowest part with described diapire on the sidewall of described drainage screen shell is connected is formed with perforation.

Filter assemblies the most according to claim 1, it is characterised in that the outer surface of described drainage screen shell and described casing The spaced apart setting of inner surface, and the remaining surface in addition to diapire of described drainage screen shell has been respectively formed on filtering holes.

Filter assemblies the most according to claim 1, it is characterised in that the centrage of described gas outlet and described drainage screen The centrage of shell overlaps.

Filter assemblies the most according to claim 1, it is characterised in that described drainage screen shell includes:

Annular sidewall, described annular sidewall extends along the direction away from described gas outlet；And

Two end walls, said two end wall is connected to the axial two ends of described annular sidewall, its in said two end wall In one with described annular sidewall be integrated part, another in said two end wall is detachably connected with described annular sidewall.

Filter assemblies the most according to claim 7, it is characterised in that the inner surface of described annular sidewall is smooth.

9. according to the filter assemblies according to any one of claim 1-8, it is characterised in that described filter assemblies also includes:

Air inlet pipe, described air inlet pipe is stretched in described casing by described air inlet, described air inlet pipe has the first locating part,

Escape pipe, described escape pipe is stretched in described casing by described gas outlet, described escape pipe has the second locating part,

Wherein, described drainage screen shell is by fixing in described casing with described first locating part and coordinating of described second locating part.

Filter assemblies the most according to claim 9, it is characterised in that described first locating part is for supporting described filtration The support platform of net shell diapire, that supports described drainage screen roof wall till described second locating part only supports projection.

11. filter assemblies according to claim 10, it is characterised in that the mouth of pipe inserting of one end of described escape pipe exists In described drainage screen shell, described projection of only supporting is for around described escape pipe one week and spaced apart with the described mouth of pipe with described in being only against Annular protrusion on drainage screen shell outer surface.

12. filter assemblies according to claim 9, it is characterised in that the vertical setting of described air inlet pipe, described air inlet Pipe is provided with the water fender of vertical setting, and along the direction away from described water fender, the diapire of described drainage screen shell tilts upward Extend.

13. filter assemblies according to claim 9, it is characterised in that have on described drainage screen shell cave inward with Dodge the recess of described air inlet pipe.

14. filter assemblies according to claim 1, it is characterised in that be filled with filter element in described drainage screen shell.

15. 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 1-14, described air inlet connects with described dust sucting pipeline.