CN208941986U - Pre-flock device assembly and cleaning equipment for cleaning equipment - Google Patents

Abstract

The utility model discloses a kind of pre-flock device assemblies and cleaning equipment for cleaning equipment, wherein, pre-flock device assembly includes: bracket, bracket includes base portion and column sections, column sections are to have venthole on the open tubular column with inner cavity and peripheral wall, base portion limits installation cavity, and installation cavity is connected to the inner cavity of column sections；Level-one prefilter, level-one prefilter are set in outside column sections and block venthole, so that air-flow is previously obtained the filtering of level-one prefilter before entering venthole；And second level prefilter, second level prefilter are located in installation cavity, to filter the air-flow for flowing to installation cavity from inner cavity.Pre-flock device assembly according to the present utility model, pass through setting level-one prefilter and second level prefilter, air-flow needs before entering suction motor by level-one prefilter and second level prefilter, two layers of filtering to air-flow may be implemented, to improve the filter effect of pre-flock device assembly, it avoids dust from entering suction motor, and then extends the service life of suction motor.

Description

Pre-flock device assembly and cleaning equipment for cleaning equipment

Technical field

The utility model relates to cleaning equipment fields, more particularly, to a kind of pre-flock device assembly for cleaning equipment and clearly Clean equipment.

Background technique

Cleaning equipment in the related technology, the suction motor upstream of cleaning equipment are provided with the prefilter group of filtering dust Part, but in actual use, pre-flock device assembly is poor to the filter effect of dust, and part dust can still enter the interior of suction motor Portion influences the service life of suction motor.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose that a kind of pre-flock device assembly for cleaning equipment, the pre-flock device assembly for cleaning equipment have The good advantage of filter effect.

Another purpose of the utility model is to propose that a kind of cleaning equipment, the cleaning equipment include above-mentioned for clear The pre-flock device assembly of clean equipment.

According to the pre-flock device assembly for cleaning equipment of the utility model embodiment, comprising: bracket, the bracket include Base portion and column sections, the column sections are to have venthole on the open tubular column with inner cavity and peripheral wall, and the base portion limits Installation cavity out, the installation cavity are connected to the inner cavity of the column sections；Level-one prefilter, the level-one prefilter are set in The column sections are outer and block the venthole, so that air-flow is previously obtained the level-one pre-flock before entering the venthole The filtering of device；And second level prefilter, the second level prefilter are located in the installation cavity, flow to institute from the inner cavity with filtering State the air-flow of installation cavity.

According to the pre-flock device assembly for cleaning equipment of the utility model embodiment, by the way that level-one prefilter and two is arranged Grade prefilter, air-flow need to may be implemented by level-one prefilter and second level prefilter to air-flow before entering suction motor Two layers filtering, to improve the filter effect of pre-flock device assembly, dust is avoided to enter suction motor, and then extend suction The service life of motor.

Some embodiments according to the present utility model, the base portion are located at the bottom of the column sections, and the level-one is pre- Filter is set in outside the column sections and is supported on the top of the base portion.

Further, the axial height of the level-one prefilter is less than the axial height of the column sections, the column sections Top be emerging on the upper surface of the level-one prefilter.

In some embodiments of the utility model, the installation cavity by the base portion the upwardly recessed formation in bottom surface.

Further, the second level prefilter is interference fitted in the installation cavity by way of location fit.

Some embodiments according to the present utility model, the venthole are multiple and along the circumferentially spaced of the column sections Distribution, each venthole is along the axially extending of the column sections.

Further, the length h of each venthole is all satisfied: 1mm≤h≤3mm, the width of each venthole G is all satisfied: 40mm≤g≤60mm.

According to the cleaning equipment of the utility model embodiment, comprising: cylinder block set, the cylinder block set include suction electricity Machine；Air handling assemblies, the air handling assemblies are set to the cylinder block set and separate for dust and gas；Above-mentioned prefilter group Part, the pre-flock device assembly be set to the cylinder block set and be in fluid communication the air handling assemblies and the suction motor it Between.

According to the cleaning equipment of the utility model embodiment, existed by setting level-one prefilter and second level prefilter, air-flow It needs that two layers of filtering to air-flow may be implemented by level-one prefilter and second level prefilter before into suction motor, thus The filter effect of pre-flock device assembly is improved, dust is avoided to enter suction motor, and then extends the service life of suction motor.

Some embodiments according to the present utility model, the cleaning equipment are hand-held cleaners, are had on the cylinder block set There is handle, the longitudinal axis of the air handling assemblies extends transversely in the longitudinal direction, and the suction motor is located at the sky The rear side of gas disposal component, the pre-flock device assembly are located at the top of the suction motor.

Further, the axis of the suction motor is overlapped with the axis of the column sections.

Further, the axis of suction motor extension tilted backwards from top to bottom, the axis of the suction motor with Angle theta between vertical line meets: 5 °≤θ≤45 °.

In some embodiments of the utility model, the cylinder block set includes: main frame, upper outlet body and lower cover, institute It states upper outlet body to be installed on the main frame and limit upper chamber between the main frame, the lower cover is installed on the master Body frame and lower chambers are limited between the main frame, the pre-flock device assembly is set in the upper chamber, and the suction is electric Machine is set to the bottom chamber.

It further, include box body and box cover on the upper outlet body, the box body is installed on the main frame, the box cover It is switchably connected to the box body, the pre-flock device assembly is detachably arranged in the upper chamber, to be in the box cover It can be taken out out of described upper chamber when existing opening state.

Some embodiments according to the present utility model, the air handling assemblies and the cylinder block set removably phase Even.

In some embodiments of the utility model, the cylinder block set further includes the air intake duct extended along the longitudinal direction, The air intake duct is located at the top of the air handling assemblies and is located at the front side of the pre-flock device assembly, after the air intake duct End is connected to convey dirty air to the air handling assemblies with the air handling assemblies.

Further, the air handling assemblies include: dirt cup and multi-cyclone, are had and institute in the dirt cup The air inlet of air intake duct connection is stated, the multi-cyclone includes the primary cyclone being located in the dirt cup, institute Stating primary cyclone is that tubular and axis extend transversely in the longitudinal direction, the primary cyclone and it is described into Port along the dirt cup diametrically.

Further, the diameter c of the primary cyclone meets: 60mm≤c≤70mm, the one cyclonic separation On device have multiple filter opening regions, the multiple filter opening region along the primary cyclone circumferentially spaced distribution, often The ratio between the length b and width a in a filter opening region are all satisfied: 1.2≤b/a≤2, each filter opening region is by being evenly arranged Multiple filter hole composition, the diameter a of each filter hole is all satisfied: 2.1mm≤a≤3mm.

In some embodiments of the utility model, the multi-cyclone further includes dust-collecting cylinder and second level whirlwind point From device, the dust-collecting cylinder is located in the dirt cup and axis extends transversely in the longitudinal direction, the front end of the dust-collecting cylinder with The front end of the dirt cup abuts, and the rear end of the dust-collecting cylinder is abutted with the front end of the primary cyclone, the second level rotation The axis of wind separator extends transversely in the longitudinal direction, and the secondary cyclone is arranged in the one cyclonic separation It device and the dust-collecting cylinder and is connected in the downstream of the primary cyclone, to be filtered to via the primary cyclone Air-flow it is for re-filtering, the foul filtered out through the primary cyclone enter the dust-collecting cylinder and the dirt cup it Between single stage of dust collection it is intracavitary, the foul filtered out through the secondary cyclone enter the dust-collecting cylinder in second level dust-collecting cavity It is interior.

Further, have on the dust-collecting cylinder and be located at the intracavitary baffle of the single stage of dust collection, the baffle is by the collection The periphery wall of dirt barrel projects radially outward and along the dust-collecting cylinder along the axially extending of the dust-collecting cylinder, the extension of the baffle The ratio between length d and protrusion height e meet: 4mm≤d/e≤6mm, the most narrow spacing between the baffle and the internal perisporium of the dirt cup Meet from f: 1mm≤f≤3mm.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the perspective view according to the cleaning equipment of the utility model embodiment；

Fig. 2 is the explosive view according to the cleaning equipment of the utility model embodiment；

Fig. 3 is the main view according to the cleaning equipment of the utility model embodiment；

Fig. 4 is the sectional view according to the cleaning equipment of the utility model embodiment；

Fig. 5 is the explosive view according to the pre-flock device assembly for cleaning equipment of the utility model embodiment；

Fig. 6 is the structural representation according to the bracket of the pre-flock device assembly for cleaning equipment of the utility model embodiment Figure；

Fig. 7 is the structural schematic diagram according to the dust-collecting cylinder of the cleaning equipment of the utility model embodiment；

Fig. 8 is the sectional view of the dirt cup and dust-collecting cylinder according to the cleaning equipment of the utility model embodiment；

Fig. 9 is the structural schematic diagram according to the primary cyclone of the cleaning equipment of the utility model embodiment；

Figure 10 is the explosive view according to the air handling assemblies of the utility model embodiment.

Appended drawing reference:

Cleaning equipment 100；

Pre-flock device assembly 1；

Bracket 11；

Base portion 111；Installation cavity 1111；

Column sections 112；Inner cavity 1121；Venthole 1122；

Level-one prefilter 12；

Second level prefilter 13；

Cylinder block set 2；

Suction motor 21；Main frame 22；

Upper outlet body 23；Box body 231；Box cover 232；

Lower cover 24；Air intake duct 25；

Upper chamber 201；Lower chambers 202；

Air handling assemblies 3；

Dirt cup 31；Air inlet 310；

Primary cyclone 32；Filter opening region 320；Filter hole 321；

Dust-collecting cylinder 33；Single stage of dust collection chamber 331；Second level dust-collecting cavity 332；Baffle 333；

Secondary cyclone 34；

End cap 35.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.For The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set Relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this field is common Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.

Below with reference to Fig. 1-Figure 10 description according to the pre-flock device assembly for cleaning equipment 100 of the utility model embodiment 1。

According to the pre-flock device assembly 1 for cleaning equipment 100 of the utility model embodiment, as shown in figs 1 to 6, packet Include: bracket 11, level-one prefilter 12 and second level prefilter 13, bracket 11 include base portion 111 and column sections 112, column sections 112 To have venthole 1122 on the open tubular column with inner cavity 1121 and peripheral wall, base portion 111 limits installation cavity 1111, installation cavity 1111 are connected to the inner cavity 1121 of column sections 112, and level-one prefilter 12 is set in outside column sections 112 and blocks venthole 1122, So that air-flow is previously obtained the filtering of level-one prefilter 12 before entering venthole 1122, second level prefilter 13 is located at installation cavity In 1111, to filter the air-flow for flowing to installation cavity 1111 from inner cavity 1121.

That is, pre-flock device assembly 1 includes at least bracket 11, level-one prefilter 12 and second level prefilter 13, wherein one Grade prefilter 12 and second level prefilter 13 are mounted on bracket 11, and level-one prefilter 12 is located at the upstream of air flow path, and two Grade prefilter 13 is located at the downstream of air flow path.When cleaning equipment 100 works, under the action of the suction force of suction motor 21, The air-flow with dust outside pre-flock device assembly 1 can flow successively through be converted into after level-one prefilter 12 and second level prefilter 13 it is clean Net air then drains into suction motor 21, so as to realize the pre-filtering before 21 suction airflow of suction motor.

Air-flow needs two layers by level-one prefilter 12 and second level prefilter 13 when flowing through pre-flock device assembly 1 as a result, Filtering avoids the dust in air-flow because filtering not so as to promote pre-flock device assembly 1 to the filter efficiency of the dust in air-flow Well into suction motor 21, and then the service life of suction motor 21 can be extended.In addition, the filtering of pre-flock device assembly 1 is imitated The promotion of fruit can also reduce the operating noise of cleaning equipment 100, to promote the comfort that user uses.

In addition, the clever structure of bracket 11, it can be ensured that air-flow must could pass through after by level-one prefilter 12 Second level prefilter 13, to guarantee that pre-flock device assembly 1 plays optimal cleaning effect.In addition, working as level-one prefilter 12 and second level The filter capacity of prefilter 13 is not simultaneously as level-one prefilter 12 is different with the installation site of second level prefilter 13, to tie Structure may exist difference, in this way, user can match according to the architectural difference of level-one prefilter 12 and second level prefilter 13 Suitable position installation avoids so as to avoid level-one prefilter 12 and the anti-loaded problem of second level prefilter 13 by level-one Prefilter 12 is mounted in the problem of 13 downstream of second level prefilter, so that it is guaranteed that the cleaning effect of pre-flock device assembly 1 is reliable.

According to the pre-flock device assembly 1 for cleaning equipment 100 of the utility model embodiment, by the way that level-one prefilter is arranged 12 and second level prefilter 13, air-flow needs before entering suction motor 21 by level-one prefilter 12 and second level prefilter 13, Two layers of filtering to air-flow may be implemented, to improve the filter effect of pre-flock device assembly 1, dust is avoided to enter suction motor 21, and then extend the service life of suction motor 21.In addition, level-one prefilter 12 is set in column sections 112, while two Grade prefilter 13 is located in the installation cavity 1111 of base portion 111, it can be ensured that air-flow can successively obtain 12 He of level-one prefilter The filtering of second level prefilter 13, and problem that can be anti-loaded to avoid level-one prefilter 12 and second level prefilter 13, and then can be with Improve the functional reliability of pre-flock device assembly 1.

Some embodiments according to the present utility model, as shown in Fig. 2, Fig. 4 and Fig. 5, base portion 111 can be located at column sections 112 bottom, level-one prefilter 12 can be set in outside column sections 112 and be supported on the top of base portion 111.It is understood that It is that after a period of operation, the dust on level-one prefilter 12 is compared on bracket 11 and second level prefilter 13 for pre-flock device assembly 1 Dust can be more, this just needs user to clean level-one prefilter 12 in time.As a result, by the way that level-one prefilter 12 is set in branch Column portion 112 is outer and is supported on the top of base portion 111, under level-one prefilter 12 is dismantled directly from column sections 112 Come, so as to reduce user to the difficulty of 12 disassembly, cleaning of level-one prefilter.

Further, as shown in Figure 4 and Figure 5, the axial height of level-one prefilter 12 can be less than the axial direction of column sections 112 Highly, the top of column sections 112 is emerging on the upper surface of level-one prefilter 12.As a result, when user needs level-one pre-flock Device 12, bracket 11 and second level prefilter 13 disassemble when being cleaned, and can hold the top of column sections 112, at least will Bracket 11 takes out together with level-one prefilter 12, to eliminate demounting procedure, and then can reduce the difficulty of disassembly, time saving It is laborsaving.

In some embodiments of the utility model, as shown in Figure 2 and Figure 4, installation cavity 1111 can be by base portion 111 The upwardly recessed formation in bottom surface.Thus, it is possible to reduce the manufacture difficulty of installation cavity 1111, the manufacturing cost of installation cavity 1111 is reduced, Shorten the production cycle of pre-flock device assembly 1, while the space of base portion 111 can also be made full use of, so that the knot of base portion 111 Structure is more compact, and it is possible to reduce the assembly or disassembly difficulty of second level prefilter 13, improves the dismounting effect of second level prefilter 13 Rate, it is convenient for the user to operate.Certainly, the utility model is without being limited thereto, in the other embodiments of the utility model, installation cavity 1111 It can be opened wide with side, at this point, second level prefilter 13 can pullably be assemblied in installation cavity 1111.

Further, as shown in figure 4, second level prefilter 13 can by way of interference fit location fit in installation cavity In 1111.As a result, when user lifts bracket 11, bracket 11 can lift second level prefilter 13 together, then again easily Second level prefilter 13 is taken out out of bracket 11 and is cleaned, to eliminate the operation for individually dismounting second level prefilter 13 from complete machine Step reduces dismounting difficulty and labor intensity.In addition, guaranteeing the same of second level prefilter 13 and 1111 bonding strength of installation cavity When can also reduce cost.

Some embodiments according to the present utility model, as shown in Figure 4 and Figure 6, venthole 1122 can be multiple and along branch The circumferentially spaced distribution in column portion 112, each venthole 1122 is along the axially extending of column sections 112.1122 pairs of gas of venthole The flowing of stream has guiding role, and the air-flow being discharged from level-one prefilter 12 is preferably flowed towards second level prefilter 13 It is dynamic.Furthermore venthole 1122 is arranged multiple, it can also be ensured that air-flow flows through smoothness when column sections 112, and air-flow is avoided to flow Through getting congestion when column sections 112.For example, in the embodiment shown in fig. 6, in the circumferential direction of column sections 112, between uniform It is separated with 14 ventholes 1122.

Further, as shown in fig. 6, the length h (h as shown in FIG. 6) of each venthole 1122 is all satisfied: 1mm≤h≤ The width g (g as shown in FIG. 6) of 3mm, each venthole 1122 are all satisfied: 40mm≤g≤60mm.Thus, it is possible to further mention The smoothness of air-flow flowing is risen, while column sections 112 can also be guaranteed to the filter efficiency of dust.Furthermore it can also be by air-flow Flow control in suitable range, to promote second level prefilter 13 to the filter effect of dust.It should be noted that above-mentioned " length " is front projection size of the venthole 1122 on 112 axial direction of column sections, and above-mentioned " width " is venthole 1122 Front projection size in 112 circumferential direction of column sections.

Below with reference to Fig. 1-Figure 10 description according to the cleaning equipment 100 of the utility model embodiment.

As shown in Figure 2 and Figure 4, according to the cleaning equipment of the utility model embodiment 100, comprising: cylinder block set 2, air Processing component 3 and pre-flock device assembly 1, cylinder block set 2 include suction motor 21, and air handling assemblies 3 are set to cylinder block set 2 and use It being separated in dust and gas, pre-flock device assembly 1 is set to cylinder block set 2 and is in fluid communication between air handling assemblies 3 and suction motor 21, Pre-flock device assembly 1 is the pre-flock device assembly 1 of any of the above-described embodiment.

That is, cleaning equipment 100 include at least cylinder block set 2, air handling assemblies 3 and pre-flock device assembly 1 this three Part, wherein pre-flock device assembly 1 and air handling assemblies 3 are mounted on cylinder block set 2, and 1 one side fluid of pre-flock device assembly connects Lead to the downstream in air handling assemblies 3, on the other hand pre-flock device assembly 1 is in fluid communication in the upstream of suction motor 21, is aspirating When motor 21 works, the dirty air outside cleaning equipment 100 can convert followed by air handling assemblies 3 and pre-flock device assembly 1 It at cleaned air, is discharged to outside cleaning equipment 100 after then flowing through suction motor 21, to realize dust suction, cleaning.

According to the cleaning equipment 100 of the utility model embodiment, by the way that level-one prefilter 12 and second level prefilter 13 is arranged, Air-flow before entering suction motor 21 needs that two to air-flow may be implemented by level-one prefilter 12 and second level prefilter 13 Layer filtering, to improve the filter effect of pre-flock device assembly 1, avoids dust from entering suction motor 21, and then extend suction The service life of motor 21.In addition, level-one prefilter 12 is set in column sections 112, second level prefilter 13 is located at base portion 111 Installation cavity 1111 in, the functional reliability of pre-flock device assembly 1 can be improved.

Some embodiments according to the present utility model, as shown in Figure 2 and Figure 4, cleaning equipment 100 are hand-held cleaners, machine There is handle (handle is not shown in the figure, in addition, cylinder block set 2 can also include appearance shell, does not also show in figure on body component 2 Out), the longitudinal axis of air handling assemblies 3 extends transversely in the longitudinal direction, and suction motor 21 is located at air handling assemblies 3 Rear side, pre-flock device assembly 1 are located at the top of suction motor 21.

It is understood that the longitudinal axis of air handling assemblies 3 extends transversely in the longitudinal direction, it can be with ingenious land productivity With space, facilitate design and layout, and the airflow path of air handling assemblies 3 can be extended, promotes air handling assemblies 3 To the filter effect of dust.In addition, it should be noted that, the orientation of the instructions such as "upper" as described herein, "lower", "front", "rear" Or positional relationship, it is orientation or positional relationship in the horizontal plane based on the positive placement location of hand-held cleaning device and cleaning system 100, wherein It is " preceding " when carrying out cleaning operation using hand-held cleaning device and cleaning system 100 for user, side of the hand-held cleaning device and cleaning system 100 far from user, " rear " is hand-held cleaning device and cleaning system 100 close to the side of user.

Suction motor 21 is arranged in the rear side of air handling assemblies 3, air-flow needs first before entering suction motor 21 The processing that pass through air handling assemblies 3, can be more clean hence into the air-flow of suction motor 21, and then is conducive to prolong The service life of long suction motor 21.In addition, when suction motor 21 is run, the air handling assemblies under the suction of suction motor 21 3 inside can form negative pressure, and air-flow is moved in air handling assemblies 3, to no longer need to increase additional The component of certain driving air-flow movement, and then the cost of cleaning equipment 100 can be reduced.Furthermore the suction motor 21 of rear side can be with The weight of equilibrium air processing component 3 holds user more easily and uses.

As shown in figure 4, the axis of suction motor 21 can be overlapped with the axis of column sections 112.Air-flow passes through second level as a result, After prefilter 13 filters, air-flow can flow to suction motor 21 straight, so as to reduce the variation of air current flow direction, in turn The power and working efficiency that suction motor 21 can be promoted, reduce the energy consumption of suction motor 21.

As shown in figure 4, the axis of suction motor 21 can extension tilted backwards from top to bottom, the axis of suction motor 21 with Angle theta between vertical line meets: 5 °≤θ≤45 °.Thus, it is possible to further promote the power and work effect of suction motor 21 Rate, further decreases the energy consumption of suction motor 21, and the structural compactness of complete machine can be improved.For example, suction motor 21 Angle theta between axis and vertical line can be 5 °, 15 °, 25 °, 35 ° or 45 °, and specific value can be according to concrete application Environment and position adjusted design.

In some embodiments of the utility model, as shown in Figure 2 and Figure 4, cylinder block set 2 may include: main frame 22, Upper outlet body 23 and lower cover 24, upper outlet body 23 are installed on main frame 22 and limit upper chamber 201, lower cover between main frame 22 Body 24 is installed on main frame 22 and limits lower chambers 202 between main frame 22, and pre-flock device assembly 1 is set in upper chamber 201, Suction motor 21 is set in lower chambers 202.

It is understood that main frame 22, upper outlet body 23 and lower cover 24 can limit a closed chamber, pre-flock Device assembly 1 and suction motor 21 can be contained in the chamber that main frame 22, upper outlet body 23 and lower cover 24 limit, so that pre-flock Device assembly 1 and suction motor 21 can be separated with external environment.As a result, cleaning equipment 100 at work, pre-flock device assembly 1 When being filtered to dust, dust can be enclosed in upper chamber 201, to be not easy to pollute indoor environment.In addition, main Body frame 22, upper outlet body 23 and lower cover 24 can also limit the air duct of fraction flowing, so that the work of suction motor 21 It is more efficient.

As shown in figs 2-4, upper outlet body 23 may include box body 231 and box cover 232, and box body 231 is installed on main frame 22, Box cover 232 is switchably connected to box body 231, and pre-flock device assembly 1 is detachably arranged in upper chamber 201, to be in box cover 232 It is taken out in existing opening state Shi Kecong upper chamber 201.Thus, it is only necessary to box cover 232 is opened or removed, it can be to pre-flock device assembly 1 is cleaned, and more specifically, after level-one prefilter 12, bracket 11 and second level prefilter 13 being taken out is carried out respectively single Solely cleaning to ensure that the cleanliness of cleaning, and can reduce the difficulty of the disassembly of pre-flock device assembly 1, to no longer need Entire upper outlet body 23 is disassembled from cleaning equipment 100, it is only necessary to the component cleaned will be needed to disassemble, thus Advantageously reduce the difficulty of user's cleaning.

Some embodiments according to the present utility model, as shown in Fig. 2, Fig. 4 and Figure 10, air handling assemblies 3 and body group Part 2 is detachably connected.Air handling assemblies 3 are when needing to clear up as a result, can be by air handling assemblies 3 from cylinder block set 2 It directly disassembles, so as to reduce the cleaning difficulty of air handling assemblies 3.In addition it is also possible to reduce air handling assemblies 3 Maintenance difficulty and maintenance cost.

In some embodiments of the utility model, as shown in Figure 2 and Figure 4, cylinder block set 2 further includes prolonging along the longitudinal direction The air intake duct 25 stretched, air intake duct 25 are located at the top of air handling assemblies 3 and are located at the front side of pre-flock device assembly 1, air intake duct 25 Rear end be connected to air handling assemblies 3 with to air handling assemblies 3 convey dirty air.Thus, it is possible to make full use of space, make The structure for obtaining cleaning equipment 100 is more compact.

As shown in figure 4, air handling assemblies 3 may include: dirt cup 31 and multi-cyclone, have in dirt cup 31 with The air inlet 310 that air intake duct 25 is connected to, multi-cyclone includes the primary cyclone 32 being located in dirt cup 31, level-one Cyclone separator 32 is tubular and axis extends transversely in the longitudinal direction, and the air-flow in air intake duct 25 is entering dirt as a result, After cup 31, the sundries such as the biggish dust of weight and hair in air-flow can be between dirt cup 31 and primary cyclone 32 The one cyclonic limited is intracavitary, opens under the influence of centrifugal force with clean air separation, and the cleaned air isolated can be with It enters in primary cyclone 32.

Wherein, as shown in figure 4, primary cyclone 32 can with air inlet 310 along dirt cup 31 diametrically, by This, can promote dust and gas separative efficiency, the problem of charge air flow rolls dust be reduced, so that the dedusting of air handling assemblies 3 Effect is substantially improved.

Further, as shown in figures 4 and 9, the diameter c (c as shown in Figure 9) of primary cyclone 32 can expire Foot: 60mm≤c≤70mm, that is to say, that the diameter maximum of primary cyclone 32 be no more than 70mm, at diameter minimum not Less than 60mm, there are multiple filter opening regions 320 on primary cyclone 32, multiple filter opening regions 320 are separated along one cyclonic The circumferentially spaced distribution of device 32, the length b (b as shown in Figure 9, i.e., in primary cyclone 32 in each filter opening region 320 Axial direction on front projection size) and width a (a as shown in Figure 9, i.e., in the circumferential direction of primary cyclone 32 just Face projection size) the ratio between can be all satisfied: 1.2≤b/a≤2, such as can be 1.5,1.8 etc., each filter opening region 320 is by equal Multiple filter hole 321 of even arrangement form, and the diameter a of each filter hole 321 can be all satisfied: 2.1mm≤a≤3mm, such as can Think 2.5mm, 2.8mm etc..Thus, it is possible to the dust for being effectively prevented from major diameter enters the inside of primary cyclone 32, So as to promote primary cyclone 32 to the filter effect of dust, moreover, the one cyclonic of such structure size separates The air intake efficiency of device 32 is high, structural reliability is good.

In some embodiments of the utility model, as shown in figs. 4 and 7, multi-cyclone further includes dust-collecting cylinder 33 and secondary cyclone 34, dust-collecting cylinder 33 is located in dirt cup 31 and axis extends transversely in the longitudinal direction, dust-collecting cylinder 33 front end is abutted with the front end of dirt cup 31, and the rear end of dust-collecting cylinder 33 is abutted with the front end of primary cyclone 32, second level rotation The axis of wind separator 34 extends transversely in the longitudinal direction, and secondary cyclone 34 is arranged in primary cyclone 32 With dust-collecting cylinder 33 and be connected in the downstream of primary cyclone 32, with to the air-flow filtered via primary cyclone 32 into Row filters again, and the foul filtered out through primary cyclone 32 enters the single stage of dust collection chamber between dust-collecting cylinder 33 and dirt cup 31 In 331, the foul filtered out through secondary cyclone 34 enters in the second level dust-collecting cavity 332 in dust-collecting cylinder 33.

Secondary cyclone 34 can do further place to by the processed air-flow of primary cyclone 32 as a result, Reason, so that the dust of minor diameter is further separated, to further improve multi-cyclone to the mistake of air-flow Filter effect.In addition, the foul filtered out through primary cyclone 32 is accommodated in single stage of dust collection chamber 331, second level cyclonic separation The foul that device 34 filters out is accommodated in second level dust-collecting cavity 332, can be to avoid generation secondary pollution by separated storage.In addition, can With understanding, 34 structure of secondary cyclone and working principle are well known to the skilled person, such as can be joined According to Fig. 4 and specific structure shown in Fig. 10, therefore do not repeat them here.

As shown in Fig. 4, Fig. 7 and Fig. 8, there is the baffle 333 being located in single stage of dust collection chamber 331, baffle 333 on dust-collecting cylinder 33 By dust-collecting cylinder 33 periphery wall along dust-collecting cylinder 33 project radially outward and along the axially extending of dust-collecting cylinder 33, baffle 333 prolongs The ratio between elongation d (d as shown in Figure 7) and protrusion height e (e as shown in Figure 7) meet: 4mm≤d/e≤6mm, such as can be with Meet for 5mm, the minimum range f (f as shown in Figure 8) between baffle 333 and the internal perisporium of dirt cup 31: 1mm≤f≤3mm, example It such as can be 2mm.Baffle 333 can hinder the foul backrush in single stage of dust collection chamber 331 as a result, so that it is secondary to reduce generation The probability of pollution, and then the filter effect of air handling assemblies 3 can be promoted.

It is set below with reference to Fig. 1-Figure 10 description according to the pre-flock device assembly 1 and cleaning of this practical new type specific embodiment Standby 100.It is worth understanding, described below is exemplary, it is intended to for explaining the utility model, and should not be understood as pair The limitation of the utility model.

As shown in Figure 1, Figure 2 and Figure 4, cleaning equipment 100 is hand-held cleaners, and cleaning equipment 100 includes pre-flock device assembly 1, air handling assemblies 3 and cylinder block set 2.Wherein, air handling assemblies 3 and pre-flock device assembly 1 are each provided on cylinder block set 2.

As shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 6, pre-flock device assembly 1 includes: bracket 11, level-one prefilter 12 and second level pre-flock Device 13.Wherein, bracket 11 includes base portion 111 and column sections 112, and base portion 111 is located at the bottom of column sections 112 and installation cavity 1111 by base portion 111 the upwardly recessed formation in bottom surface, column sections 112 are to have on the open tubular column with inner cavity 1121 and peripheral wall Venthole 1122, base portion 111 limit installation cavity 1111, and installation cavity 1111 is connected to the inner cavity 1121 of column sections 112.

As shown in Figure 4 and Figure 6, venthole 1122 is multiple and along column sections 112 circumferentially spaced distributions, each ventilation Along the axially extending of column sections 112, the length h (h as shown in FIG. 6) of each venthole 1122 is all satisfied in hole 1122: 1mm≤ The width g (g as shown in FIG. 6) of h≤3mm, each venthole 1122 are all satisfied: 40mm≤g≤60mm.

As shown in Figure 4 and Figure 6, level-one prefilter 12 is the open tubular column with inner cavity 1121, and level-one prefilter 12 is set in Column sections 112 are outer and are supported on the top of base portion 111, and level-one prefilter 12 also blocks venthole 1122 so that air-flow into The filtering of level-one prefilter 12 is previously obtained before entering venthole 1122.Second level prefilter 13 is slab construction, second level prefilter 13 location fit is in installation cavity 1111 by way of interference fit, to filter the gas for flowing to from inner cavity 1121 installation cavity 1111 Stream.In addition, the axial height of level-one prefilter 12 is less than the axial height of column sections 112, the top of column sections 112 is emerging in one On the upper surface of grade prefilter 12.

As shown in figs 2-4, cylinder block set 2 include upper outlet body 23, air intake duct 25, main frame body 22, suction motor 21 and under Cover 24.Upper outlet body 23 is installed on main frame 22 and limits upper chamber 201 between main frame 22, and lower cover 24 is installed on master Body frame 22 and lower chambers 202 are limited between main frame 22, pre-flock device assembly 1 is set in upper chamber 201, and suction motor 21 is set In in lower chambers 202.In addition, including box body 231 and box cover 232 on upper outlet body 23, box body 231 is installed on main frame 22, box cover 232 are switchably connected to box body 231, and pre-flock device assembly 1 is detachably arranged in upper chamber 201, to beat in the presentation of box cover 232 It is taken out in open state Shi Kecong upper chamber 201.

As shown in Figure 2 and Figure 4, before air intake duct 25 is located at the top of air handling assemblies 3 and is located at pre-flock device assembly 1 Side, the rear end of air intake duct 25 are connected to convey dirty air to air handling assemblies 3 with air handling assemblies 3.Suction motor 21 Axis is overlapped with the axis of column sections 112, the extension tilted backwards from top to bottom of the axis of suction motor 21, the axis of suction motor 21 Angle theta between line and vertical line meets: 5 °≤θ≤45 °.

As shown in Figure 2 and Figure 4, air handling assemblies 3 are set to cylinder block set 2 and air handling assemblies 3 and cylinder block set 2 can Releasably it is connected.The longitudinal axis of air handling assemblies 3 extends transversely in the longitudinal direction, and suction motor 21 is located at air-treatment The rear side of component 3, pre-flock device assembly 1 are located at the top of suction motor 21.

As shown in Fig. 4, Fig. 7 and Figure 10, air handling assemblies 3 include: dirt cup 31, multi-cyclone and end cap 35, There is the air inlet 310 being connected to air intake duct 25, multi-cyclone includes the level-one rotation being located in dirt cup 31 in dirt cup 31 Wind separator 32, secondary cyclone 34 and dust-collecting cylinder 33, primary cyclone 32 is tubular and axis is in front-rear direction On extend transversely, diametrically along dirt cup 31, end cap 35 is located at multistage cyclone for primary cyclone 32 and air inlet 310 Right side one end of separator.

As shown in figures 4 and 9, the diameter c (c as shown in Figure 9) of primary cyclone 32 meets: 60mm≤c≤ 70mm has multiple filter opening regions 320 on primary cyclone 32, and multiple filter opening regions 320 are along primary cyclone 32 Circumferentially spaced distribution, the length b (b as shown in Figure 9) and width a (a as shown in Figure 9) in each filter opening region 320 it Than being all satisfied: 1.2≤b/a≤2, each filter opening region 320 are made of the multiple filter hole 321 being evenly arranged, each filter hole 321 diameter a is all satisfied: 2.1mm≤a≤3mm.

As shown in figs. 4 and 7, dust-collecting cylinder 33 is located in dirt cup 31 and axis extends transversely in the longitudinal direction, dust The front end of cylinder 33 is abutted with the front end of dirt cup 31, and the rear end of dust-collecting cylinder 33 is abutted with the front end of primary cyclone 32, second level The axis of cyclone separator 34 extends transversely in the longitudinal direction, and secondary cyclone 34 is arranged in primary cyclone 32 with dust-collecting cylinder 33 and be connected in the downstream of primary cyclone 32, to the air-flow filtered via primary cyclone 32 For re-filtering, the foul filtered out through primary cyclone 32 enters the single stage of dust collection between dust-collecting cylinder 33 and dirt cup 31 In chamber 331, the foul filtered out through secondary cyclone 34 enters in the second level dust-collecting cavity 332 in dust-collecting cylinder 33.

As shown in Fig. 4, Fig. 7 and Fig. 8, there is the baffle 333 being located in single stage of dust collection chamber 331, baffle 333 on dust-collecting cylinder 33 By dust-collecting cylinder 33 periphery wall along dust-collecting cylinder 33 project radially outward and along the axially extending of dust-collecting cylinder 33, baffle 333 prolongs The ratio between elongation d (d as shown in Figure 7) and protrusion height e (e as shown in Figure 7) meet: 4mm≤d/e≤6mm, baffle 333 Minimum range f (f as shown in Figure 8) between the internal perisporium of dirt cup 31 meets: 1mm≤f≤3mm.

As shown in Fig. 2, Fig. 4 and Fig. 5, cleaning equipment 100 at work, under the swabbing action of suction motor 21, air-breathing Negative pressure is formed at pipe 25, cleaning equipment 100 starts suction airstream, motion process of the air-flow in cleaning equipment 100 from environment Including following sequentially continuous path:

Path S1: air-flow is moved along the extending direction of air intake duct 25 towards air handling assemblies 3；

Path S2, S3: air-flow enters air handling assemblies 3 from the air inlet 310 of air handling assemblies 3, then around one The periphery wall rotation of grade cyclone separator 32, and the dust being relatively large in diameter is isolated, the dust that this part is separated can court Single stage of dust collection chamber 331 (T1 as shown in Figure 4) is moved to the left side of air handling assemblies 3；

Path S4, S5, S6, S7, S8: air-flow passes through the filter hole 321 on primary cyclone 32 and enters second level whirlwind It in separator 34, and is separated in 34 internal cyclone of secondary cyclone, isolates the lesser dust of diameter, this section diameter is smaller Dust second level dust-collecting cavity 332 (T2 as shown in Figure 4) can be moved to towards the left side of secondary cyclone 34；

Path S9, S10: air-flow is discharged from the end cap 35 for being located at 34 end of secondary cyclone, and towards upper chamber 201 In the movement of pre-flock device assembly 1 (here, it should be noted that exhaust outlet on end cap 35 and the mode of communicating of upper chamber 201 are not Limit, such as can be connected to by the airflow channel formed in main frame 22, in another example can also be by being located in main frame 22 Airflow duct connection)；

Path S11, S12: air-flow sequentially passes through the level-one prefilter 12, bracket 11 and second level prefilter of pre-flock device assembly 1 It is converted into clean air after 13, then drains into the suction motor 21 in lower chambers 202；

Path S13: clean air is discharged under the action of suction motor 21 from lower cover 24.

In the description of this specification, reference term " one embodiment ", " illustrative examples ", " is shown " some embodiments " The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure, Material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (19)

1. a kind of pre-flock device assembly for cleaning equipment characterized by comprising

Bracket, the bracket include base portion and column sections, and the column sections are to have on the open tubular column with inner cavity and peripheral wall Venthole, the base portion limit installation cavity, and the installation cavity is connected to the inner cavity of the column sections；

Level-one prefilter, it is outer and block the venthole that the level-one prefilter is set in the column sections so that air-flow into The filtering of the level-one prefilter is previously obtained before entering the venthole；And

Second level prefilter, the second level prefilter are located in the installation cavity, flow to the installation cavity from the inner cavity with filtering Air-flow.

2. the pre-flock device assembly according to claim 1 for cleaning equipment, which is characterized in that the base portion is located at institute The bottom of column sections is stated, the level-one prefilter is set in outside the column sections and is supported on the top of the base portion.

3. the pre-flock device assembly according to claim 2 for cleaning equipment, which is characterized in that the level-one prefilter Axial height is less than the axial height of the column sections, and the top of the column sections is emerging in the upper surface of the level-one prefilter On.

4. the pre-flock device assembly according to claim 2 for cleaning equipment, which is characterized in that the installation cavity is by described The upwardly recessed formation in the bottom surface of base portion.

5. the pre-flock device assembly according to claim 4 for cleaning equipment, which is characterized in that the second level prefilter is logical The mode for crossing location fit is interference fitted in the installation cavity.

6. the pre-flock device assembly according to any one of claims 1-5 for cleaning equipment, which is characterized in that described logical Stomata is multiple and along the column sections circumferentially spaced distributions, and axial direction of each venthole along the column sections is prolonged It stretches.

7. the pre-flock device assembly according to claim 6 for cleaning equipment, which is characterized in that each venthole Length h is all satisfied: 1mm≤h≤3mm, and the width g of each venthole is all satisfied: 40mm≤g≤60mm.

8. a kind of cleaning equipment characterized by comprising

Cylinder block set, the cylinder block set include suction motor；

Air handling assemblies, the air handling assemblies are set to the cylinder block set and separate for dust and gas；

Pre-flock device assembly, the pre-flock device assembly are set to the cylinder block set and are in fluid communication in the air handling assemblies and institute It states between suction motor, the pre-flock device assembly is according to pre-flock device assembly of any of claims 1-7.

9. cleaning equipment according to claim 8, which is characterized in that the cleaning equipment is hand-held cleaners, the machine There is handle, the longitudinal axis of the air handling assemblies extends transversely in the longitudinal direction, the suction motor on body component Positioned at the rear side of the air handling assemblies, the pre-flock device assembly is located at the top of the suction motor.

10. cleaning equipment according to claim 9, which is characterized in that the axis of the suction motor and the column sections Axis be overlapped.

11. cleaning equipment according to claim 10, which is characterized in that the axis of the suction motor tilts from top to bottom It extends back, the angle theta between the axis and vertical line of the suction motor meets: 5 °≤θ≤45 °.

12. the cleaning equipment according to any one of claim 9-11, which is characterized in that the cylinder block set includes: master Body frame, upper outlet body and lower cover, the upper outlet body are installed on the main frame and limit upper chamber between the main frame, The lower cover is installed on the main frame and limits lower chambers between the main frame, and the pre-flock device assembly is set to institute It states in upper chamber, the suction motor is set to the bottom chamber.

13. cleaning equipment according to claim 12, which is characterized in that include box body and box cover, institute on the upper outlet body It states box body and is installed on the main frame, the box cover is switchably connected to the box body, and the pre-flock device assembly is removably In the upper chamber, can be taken out out of described upper chamber when opening state is presented in the box cover.

14. cleaning equipment according to claim 8, which is characterized in that the air handling assemblies and the cylinder block set It is detachably connected.

15. cleaning equipment according to claim 9, which is characterized in that the cylinder block set further includes prolonging along the longitudinal direction The air intake duct stretched, the air intake duct are located at the top of the air handling assemblies and are located at the front side of the pre-flock device assembly, institute It states the rear end of air intake duct and the air handling assemblies is connected to convey dirty air to the air handling assemblies.

16. cleaning equipment according to claim 15, which is characterized in that the air handling assemblies include: dirt cup and more Grade cyclone separator has air inlet be connected to the air intake duct in the dirt cup, and the multi-cyclone is including setting Primary cyclone in the dirt cup, the primary cyclone be tubular and axis in the longitudinal direction transversely Extend, the primary cyclone and the air inlet along the dirt cup diametrically.

17. cleaning equipment according to claim 16, which is characterized in that the diameter c of the primary cyclone meets: 60mm≤c≤70mm has multiple filter opening regions on the primary cyclone, and the multiple filter opening region is along the level-one The circumferentially spaced distribution of cyclone separator, the ratio between the length b and width a in each filter opening region are all satisfied: 1.2≤b/a ≤ 2, each filter opening region is made of the multiple filter hole being evenly arranged, and the diameter a of each filter hole is all satisfied: 2.1mm≤a≤3mm。

18. cleaning equipment according to claim 16, which is characterized in that the multi-cyclone further includes dust-collecting cylinder And secondary cyclone, the dust-collecting cylinder is located in the dirt cup and axis extends transversely in the longitudinal direction, the collection The front end of dirt barrel is abutted with the front end of the dirt cup, and the rear end of the dust-collecting cylinder and the front end of the primary cyclone are supported It connects, the axis of the secondary cyclone extends transversely in the longitudinal direction, and the secondary cyclone is arranged in institute It states primary cyclone and the dust-collecting cylinder and is connected in the downstream of the primary cyclone, to via the level-one The air-flow of cyclone separator filtering is for re-filtering, and the foul filtered out through the primary cyclone enters the dust Single stage of dust collection between cylinder and the dirt cup is intracavitary, and the foul filtered out through the secondary cyclone enters the dust-collecting cylinder In interior second level dust-collecting cavity.

19. cleaning equipment according to claim 18, which is characterized in that have on the dust-collecting cylinder and be located at the level-one collection The intracavitary baffle of dirt, the baffle by the dust-collecting cylinder periphery wall projecting radially outward and along the collection along the dust-collecting cylinder Axially extending, the ratio between development length d and protrusion height e of the baffle satisfaction: 4mm≤d/e≤6mm, the baffle of dirt barrel Minimum range f between the internal perisporium of the dirt cup meets: 1mm≤f≤3mm.