CN208573559U - Dust catcher and its filter assemblies - Google Patents

Abstract

The utility model discloses a kind of filter assemblies, are arranged in dust catcher, and filter assemblies include: filtering screen, to be cylindric, are placed with multiple through-holes on the side wall of the filtering screen, filtering screen is longitudinally disposed；Whirlwind cone, is inverted cone shape, and whirlwind cone is co-axially located in filtering screen, and the upper portion side wall of whirlwind cone is equipped with air inlet, and upper end is equipped with air outlet, and lower end is equipped with dust-exhausting port；Wind deflector is funnel type, which is co-axially located at the upper end of whirlwind cone, and Open Side Down extends in whirlwind cone for the tubular portion of the wind deflector；The upper end of wind deflector is arranged in filter layer；And dust guiding tube, to be horn-like, which is co-axially located at the lower end of filtering screen, and the wide mouth part of the dust guiding tube is connected with the lower end of filtering screen upward.The invention also discloses a kind of dust catchers.The filter assemblies of the utility model are using coaxial arrangement, compact-sized, compact.

Description

Dust catcher and its filter assemblies

Technical field

The utility model relates to cleaner field, in particular to a kind of dust catcher and its filter assemblies.

Background technique

In order to reach good filter effect, the filter assemblies of existing dust catcher usually have the function of multistage filtering, because This is provided with various filter element, such as filter screen, cyclone separator, HEPA filtration members, this causes its structure more dispersed, Occupy larger space.For hand-held cleaners, compact facilitates gripping to be always its advantage place.

Therefore, need one kind can reach good filter effect and filter assemblies, thus keep or add Rival holds the advantage of dust catcher compact.

The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.

Utility model content

The purpose of this utility model is to provide a kind of dust catcher and its filter assemblies, to overcome existing structure of dust collector The problems such as dispersion, volume is larger.

To achieve the above object, according to the present utility model in a first aspect, the utility model provides a kind of filter assemblies, It is arranged in dust catcher, and filter assemblies include: filtering screen, to be cylindric, is placed on the side wall of the filtering screen more A through-hole, filtering screen are longitudinally disposed；Whirlwind cone, is inverted cone shape, and whirlwind cone is co-axially located in filtering screen, the whirlwind The upper portion side wall of cone is equipped with air inlet, and upper end is equipped with air outlet, and lower end is equipped with dust-exhausting port；Wind deflector, is funnel type, this is led Aerofoil is co-axially located at the upper end of whirlwind cone, and Open Side Down extends in whirlwind cone for the tubular portion of the wind deflector；Filter layer is set It sets in the upper end of wind deflector；And dust guiding tube, to be horn-like, which is co-axially located at the lower end of filtering screen, this is led The wide mouth part of dirt pipe is connected with the lower end of filtering screen upward.

Further, in above-mentioned technical proposal, filter assemblies further include connecting bracket, the connecting bracket round frame under including:, It is coaxially disposed with filtering screen, and round frame is connected with the wide mouth part of dust guiding tube under this；Upper round frame, round frame is same under Axis setting, round frame is connected with the upper end of wind deflector on this, the overall diameter of the overall diameter of round frame round frame under being greater than on this； And multiple columns, round frame is extended to down vertically from upper round frame, and circumferentially, multiple columns are centered around whirlwind cone Outside, filtering screen is wrapped on the outside of multiple columns.

Further, in above-mentioned technical proposal, the lateral wall lower part of whirlwind cone round frame under is tightly connected.

Further, in above-mentioned technical proposal, upper round frame extends inwardly to form supporting plate, the shape of the supporting plate and wind deflector The shape of taper portion matches, which is equipped with circular hole, and the tubular portion of wind deflector passes through circular hole.

Further, in above-mentioned technical proposal, the dust-exhausting port of whirlwind cone is extended in the wide mouth part of dust guiding tube.

Further, it is coaxially provided in above-mentioned technical proposal, in dust guiding tube and leads dirt cone, which is arranged upward.

Further, in above-mentioned technical proposal, filter assemblies further include handle, which is arranged in the upper end of wind deflector.

Further, in above-mentioned technical proposal, the outer sheath of dust guiding tube is equipped with dust-break pipe, which is horn-like, the gear The size of dirt pipe and the size of dust guiding tube match.

Further, in above-mentioned technical proposal, at least one dust-break wing is provided on the lateral wall of dust-break pipe.

Further, in above-mentioned technical proposal, the dust-break wing extends radially outwardly along dust-break pipe.

Further, in above-mentioned technical proposal, the dust-break wing is shape wide at the top and narrow at the bottom.

Further, in above-mentioned technical proposal, the quantity of the dust-break wing is two.

Further, in above-mentioned technical proposal, the wide mouth part of dust-break pipe has extended downwardly cyclic annular enclosing.

Further, in above-mentioned technical proposal, filter layer is filter cotton, filter screen and/or HEPA filtration members.

Second aspect according to the present utility model, the utility model provide a kind of dust catcher, the dust pocket of the dust catcher For cylindrical cup, dust catcher includes the filter assemblies of any one of the claims, and filter assemblies are co-axially located at suction In the dust pocket of dirt device.

Further, in above-mentioned technical proposal, the side wall upper part of dust pocket is equipped with air inlet.

Further, in above-mentioned technical proposal, the slot end of dust guiding tube and the bottom surface of dust pocket are removably tightly connected.

Further, in above-mentioned technical proposal, sealing ring is equipped between dust guiding tube and dust pocket.

Further, in above-mentioned technical proposal, the bottom of dust pocket is equipped with seal groove, the shape of the seal groove and dust guiding tube The shape at slot end matches.

Further, in above-mentioned technical proposal, the bottom of dust pocket is equipped with guide part, the shape of the guide part and dust guiding tube The shape at slot end matches.

Further, in above-mentioned technical proposal, guide part is cross one another two halfround bar slices.

Compared with prior art, the utility model has the following beneficial effects:

1. passing through the coaxially arranged of all parts of filter assemblies, the filter assemblies structure of the utility model is more compact, Small volume improves the usage experience of user.

2. preventing the dust granule spiral isolated in dust pocket from conducting progress two upwards by setting dust-break structure Secondary filtering reduces the filter pressure of filter assemblies, improves filter efficiency.

3. the connection by filter assemblies and dust pocket is arranged, secondary dust-collecting cavity is formed, the classification of dust granule is facilitated to receive Collection improves filter effect.

4. being convenient for changing or clearing up by the design for disassembly of filter assemblies.

Above description is only the general introduction of technical solutions of the utility model, in order to more clearly understand the utility model Technological means can be simultaneously practiced according to the content of specification, while above and other purpose, skill in order to make the utility model Art feature and advantage are more understandable, are exemplified below one or more preferred embodiments, and be described in detail with the accompanying drawings as follows.

Detailed description of the invention

Fig. 1 is the appearance diagram of the dust catcher of an embodiment according to the present utility model.

Fig. 2 is the decomposition diagram of the dust catcher of an embodiment according to the present utility model.

Fig. 3 a is the schematic internal view of the dust catcher of an embodiment according to the present utility model.

Fig. 3 b is the internal breakup schematic diagram of the dust catcher of an embodiment according to the present utility model.

Fig. 3 c is the schematic diagram of the partition of an embodiment according to the present utility model.

Fig. 4 is the schematic diagram of the dust catcher of an embodiment according to the present utility model, wherein the low portion of dust catcher For schematic cross-sectional view.

Fig. 5 is the schematic cross-sectional view of the low portion of the dust catcher of an embodiment according to the present utility model.

Fig. 6 a is the stereoscopic schematic diagram of the dust pocket of an embodiment according to the present utility model.

Fig. 6 b is another stereoscopic schematic diagram of the dust pocket of an embodiment according to the present utility model.

Fig. 6 c is the dust pocket of an embodiment according to the present utility model and the stereoscopic schematic diagram of blast pipe.

Fig. 6 d is the dust pocket of an embodiment according to the present utility model and the decomposition diagram of associated components.

Fig. 6 e is the decomposition diagram of the low portion of the dust catcher of an embodiment according to the present utility model.

Fig. 7 a is the decomposition diagram of the filter assemblies of an embodiment according to the present utility model.

Fig. 7 b is the schematic cross-sectional view of the filter assemblies of an embodiment according to the present utility model.

Fig. 7 c is that the connecting bracket of the filter assemblies of an embodiment according to the present utility model and the decomposition of dust guiding tube fill With schematic diagram.

Fig. 7 d is the connecting bracket and wind deflector, filter layer of the filter assemblies of an embodiment according to the present utility model Decompose assembling schematic diagram.

Fig. 7 e is the stereoscopic schematic diagram of the dust-break pipe of the filter assemblies of an embodiment according to the present utility model.

Fig. 7 f is the stereoscopic schematic diagram of the dust pocket of an embodiment according to the present utility model, and it illustrates dust pockets Internal structure.

Fig. 8 a is the decomposition diagram of the battery bracket of an embodiment according to the present utility model.

Fig. 8 b is the battery bracket of an embodiment according to the present utility model and the decomposition diagram of motor cover.

Fig. 8 c is the battery bracket of an embodiment according to the present utility model and the assembling schematic diagram of motor cover.

Fig. 9 a is the stereoscopic schematic diagram of the motor cover of an embodiment according to the present utility model.

Fig. 9 b is the elevational schematic view of the motor cover of an embodiment according to the present utility model.

Fig. 9 c is the schematic cross-sectional view of the motor cover of another embodiment according to the present utility model.

Fig. 9 d is the decomposition diagram of the motor cover of another embodiment according to the present utility model.

Fig. 9 e is the stereoscopic schematic diagram of the inner casing of the motor cover of another embodiment according to the present utility model.

Figure 10 a is the schematic top plan view of the dust catcher of an embodiment according to the present utility model.

Figure 10 b is the partial schematic sectional view of the upper cover of an embodiment according to the present utility model.

Figure 10 c is the vertical view partial enlargement diagram of the upper cover of an embodiment according to the present utility model.

Figure 10 d is the three-dimensional partial enlargement diagram of the upper cover of an embodiment according to the present utility model.

Figure 11 a is the stereoscopic schematic diagram of the handle of an embodiment according to the present utility model.

Figure 11 b is the decomposition diagram of the handle of an embodiment according to the present utility model.

Figure 11 c is the stereoscopic schematic diagram of the upper cover of an embodiment according to the present utility model.

Figure 11 d is the decomposition diagram of the dust catcher of an embodiment according to the present utility model.

Figure 11 e is another decomposition diagram of the dust catcher of an embodiment according to the present utility model.

Main appended drawing reference explanation:

10- low portion, 100- blast pipe, 100a- transitional crust, 101- guide duct, 101a- cover board, 101b- sealing ring, 101c- decorative panel, 11- dust pocket, 111- air inlet, 112- convex ribs, 113- guide part, the first fitting groove of 114-, 115- second Fitting groove, 116- contraction section, 12- filtering screen, 13- whirlwind cone, 14- filter layer, 15- wind deflector, 16- dust guiding tube, 161- are led Dirt is bored, 17- connecting bracket, the upper round frame of 171-, round frame under 172-, 173- column, 18- dust-break pipe, the 181- dust-break wing, 182- Cyclic annular enclosing, 19- handle,

20- upper part, 210- battery bracket, 21- upper bracket, 211- top plate, 212- epipleural, the upper demarcation plate of 213-, 22- lower bracket, 221- bottom plate, 222- lower side panel, demarcation plate under 223-, 23a- straight pin, 23b- pin hole, 23c- buckle, 23d- Retaining ring, 24- motor cover, 241- main body, 242- arc-shaped base, 243- air-exhausting duct, 244- inner casing, 244a- motor exhaust outlet, 245- Cushion blocking, 245a- cushion blocking cavity, 246- damping ring, 25- partition, 251- drainage trough, 252- wind exhausting outlet, 26- upper cover, 261- gas vent, 261a- racetrack groove, the first mounting groove of 262-, the second mounting groove of 263-,

30- handle, 300- gripping space, 31- straightway, 32- bending section, the extended segment 33-, 34- anti-slip part, 35- dirt cup Control key, the first keyway of 35a-, 36- on & off switch, 37- adjusting key, the second keyway of 38a-, 38b- third keyway, 39- cosmetic sheet.

Specific embodiment

With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.

Explicitly indicate that, otherwise in entire disclosure and claims, term " includes " or its change unless otherwise other Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other yuan Part or other components.

Herein, for convenience of description, spatially relative term can be used, such as " following ", " lower section ", "lower", " above ", " top ", "upper" etc., to describe an elements or features and the relationship of another elements or features in the accompanying drawings.Ying Li Solution, spatially relative term are intended to comprising the not Tongfang of object in use or operation other than direction painted in figure To.For example, the element for being described as be in other elements or feature " lower section " or "lower" will if the object in figure is reversed Orientation is in " top " of elements or features.Therefore, exemplary term " lower section " may include following above and both direction.Object There can also be other orientations (be rotated by 90 ° or other are orientated) and reply spatially relative term used herein makes corresponding solution It releases.

Herein, term " first ", " second " etc. be distinguishing two different elements or position, be not to Limit specific position or relativeness.In other words, in some embodiments, term " first ", " second " etc. can also be each other It exchanges.

As shown in Figures 1 to 5, according to the dust catcher of specific embodiment of the present invention, with 10 He of low portion Upper part 20, low portion 10 are removably tightly connected with upper part 20, and the bottom end of low portion 10 is equipped with blast pipe 100, handle 30 is arranged in upper part 20.Low portion 10 contains filter assemblies, and upper part 20 contains motor group Part and battery component.Electric machine assembly includes motor cover and induced-draught electric motor, and battery component includes battery and battery bracket.

In conjunction with shown in Fig. 6 a to Fig. 6 e, in one or more embodiments of the utility model, the dust pocket of dust catcher 11 are located at the low portion 10 of dust catcher.Dust pocket 11 is the cylindrical cup of sealed bottom, and the side wall upper part of dust pocket 11 is opened Equipped with air inlet 111.Air inlet 111 is connected by guide duct 101 with blast pipe 100, and guide duct 101 is by 100 edge of blast pipe The outer wall of dust pocket 11 extends upwardly to air inlet 111.Illustratively, blast pipe 100 is generally corresponding to the bottom of dust pocket 11 Center.The filter assemblies of dust catcher are removably co-axially located in dust pocket 11, the dust isolated through filter assemblies Particle is fallen into dust pocket 11.The upper part 20 of dust catcher has upper cover 26 and handle 30, and upper cover 26 is cylindrical shape, inside sets There are battery component and electric machine assembly.26 bottom end of upper cover and 11 upper end of dust pocket are detachably connectable, and electric machine assembly is located at filtering The top of component.Electric machine assembly includes motor cover 24 and induced-draught electric motor (not shown).Dust laden air is successively via blast pipe 100, guide duct 101, the conduction of air inlet 111 are filtered to filter assemblies, and filtered gas (does not show in induced-draught electric motor in figure Motor cover 24 is upwardly by filter assemblies under suction out).Motor cover 24 is substantially cylindrical, the side wall of motor cover 24 Equipped with air-exhausting duct 243 (please referring to Fig. 3 b), air-exhausting duct 243 extends upwardly to the top of upper cover 26, and then from being arranged in upper cover 26 On gas vent 261 be discharged.

It is preferred that and not restrictive, blast pipe 100 is parallel with the axis of dust pocket 11 or is overlapped.It is preferred that rather than limiting Property, air-exhausting duct 243 is located at the two sides of dust catcher with guide duct 101.It is preferred that and not restrictive, the top of motor cover 24 Partition 25 is provided between 26 top of upper cover, and partition 25 is equipped with wind exhausting outlet 252 (please referring to Fig. 3 c), by air-exhausting duct The gas of 243 discharges enters the space between partition 25 and 26 top of upper cover by wind exhausting outlet 252, then from gas vent 261 Discharge.In this way air-exhausting duct 243 be discharged gas will not directly (circuit board can be set in electricity with motor cover 24 or circuit board contacts Between the top and partition of hood), thermal insulation layer is formed between the induced-draught electric motor in the gas and circuit board and motor cover 24 of discharge. It is further preferred that partition 25 is equipped with drainage trough 251, drainage trough 251 can will be from the gas that air-exhausting duct 243 enters to two sides Guidance, avoids gas from entering the central area of partition 25, which corresponds to the position of induced-draught electric motor and circuit board.As a result, more The discharge gas with heat is avoided well to impact induced-draught electric motor and circuit board.Illustratively, in the utility model The drainage trough 251 of partition 25 using 252 position of wind exhausting outlet as starting point respectively to two sides circumferentially, formed two symmetrical arcs Shape slot, it should be understood that be that the utility model is not limited thereto.It is preferred that and not restrictive, the gas vent 261 of dust catcher is distributed The position corresponding with drainage trough 251 in upper cover 26 directly passes through gas vent to be directed into the gas of drainage trough 251 261 discharge.Illustratively, motor cover 24, air-exhausting duct 243 and partition 25 are integrally formed.

It is preferred that and not restrictive, as shown in Fig. 6 a to Fig. 6 e, guide duct 101 is by the outer of cover board 101a and dust pocket 11 Made of wall surface encloses.For example, cover board 101a is c-type pipe, i.e. its cross section is C font, and the vent cover of cover board 101a is located at collection In the outside wall surface of dirt cup 11, guide duct 101 is formed.It is to be understood that the utility model is not limited thereto, the cross of cover board 101a Cross sectional shape can be C font, U-shaped or V-shape.Each cross-sectional shape of cover board 101a is not necessarily identical, for example, The first segment of cover board 101a has C font cross section, and the second segment of cover board 101a has U-shaped cross section.Preferably, dust pocket 11 outside wall surface is equipped with the first fitting groove 114 for assembling cover board 101a, and the shape of the first fitting groove 114 is with cover board 101a's Opening matches, and cover board 101a is sealingly fitted on dust pocket 11.Preferably, between cover board 101a and dust pocket 11 It is additionally provided with sealing ring 101b.Preferably, buckle closure is gone back outside guide duct 101 decorative panel 101c, decorative panel 101c and dust pocket 11 Outside wall surface is connected, and the upper surface of decorative panel 101c is equal with the upper surface of dust pocket 11.Preferably, the outside wall surface of dust pocket 11 Equipped with the second fitting groove 115 for assembling decorative panel 101c, the depth and the thickness phase of decorative panel 101c of the second fitting groove 115 Together, so that decorative panel 101c be assemblied on dust pocket 11 be capable of forming it is streamlined.Decorative panel 101c can protect guide duct 101, Decoration function can also be played simultaneously, so that the low portion 10 of dust catcher has streamline aesthetic feeling.Illustratively, dust pocket 11 is adopted It is made of transparent material, inner wall surface thereof can be with wear-resistant coating.Illustratively, the bottom of dust pocket 11 has contraction section 116, the wall surface of contraction section 116 is cambered surface.The bottom of dust pocket 11 is covered with transitional crust 100a, transitional crust 100a be it is horn-like, Wide mouth part is connected with 11 bottom of dust pocket.Blast pipe 100 is connected across the slot end of transitional crust 100a with guide duct 101. Preferably, after transitional crust 100a is connected with dust pocket 11, smooth surface is formed, appearance has streamlined.

Further, as shown in Fig. 7 a~Fig. 7 e, in one or more embodiments of the utility model, filter assemblies packet Include filtering screen 12, whirlwind bores 13, filter layer 14, wind deflector 15, dust guiding tube 16.Filtering screen 12 is cylinder-like structure, side Multiple through-holes are placed on wall.Filtering screen 12 is longitudinally disposed, axis vertical.Whirlwind cone 13 is inverted cone shape, upper part Side wall is equipped with air inlet, and upper end is equipped with air outlet, and lower end is equipped with dust-exhausting port, and whirlwind cone 13 is co-axially located at filtering screen 12 It is interior.Whirlwind bores 13 upper ends and is coaxially provided with wind deflector 15, and wind deflector 15 is funnel type, and tubular portion is opening down to extend to whirlwind cone In 13, the upper end of whirlwind cone 13 and the cone cell lower surface of wind deflector 15 are abutted against.The upper end of wind deflector 15 is equipped with filter layer 14. Gas through 13 filtering of whirlwind cone continues up conduction to filter layer under the suction of induced-draught electric motor, through wind deflector 15 14.Filter layer 14 filters the gas passed through again, the dust granule isolated along wind deflector 15 fall into whirlwind cone 13, and from The dust-exhausting port that whirlwind bores 13 lower ends is fallen.Filter layer 14 can be filter cotton, filter screen and/or HEPA filtration members, this is practical new Type is not limited thereto.Dust guiding tube 16 be it is horn-like, wide mouth part is connected with the lower end of filtering screen 12 upward, dust guiding tube 16 Slot end connect with the sealing bottom surface of dust pocket 11, the inside of dust guiding tube 16 forms secondary dust-collecting cavity.Preferably, dust guiding tube 16 Sealing ring is equipped between dust pocket 11.The all parts of filter assemblies are using coaxial arrangement, so that the structure of filter assemblies is non- Normal compact, compact, and the loss to negative-pressure sucking can also be reduced.

It is preferred that and not restrictive, the dust-exhausting port that whirlwind bores 13 lower ends extends in the wide-mouth of dust guiding tube 16.Dust guiding tube 16 It is inside coaxially provided with and leads dirt cone 161.The vertex of dirt cone 161 is led upward, so that boring the dust that falls of dust-exhausting port of 13 lower ends from whirlwind Particle can uniformly slide into secondary dust-collecting cavity along dirt cone 161 is led.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, filter assemblies are also Including connecting bracket 17, connecting bracket 17 has upper round frame 171 round frame 172 under, and prolongs vertically from upper round frame 171 Multiple columns 173 of round frame 172 are reached down, multiple columns 173 are circumferentially.Under the overall diameter of upper round frame 171 is greater than The overall diameter of round frame 172.The overall diameter of upper round frame 171 and the interior diameter of 11 upper end of dust pocket match.Filtering screen 12 It can be wrapped in the outside of the column 173 of connecting bracket 17, wind deflector 15 is assemblied in the upper end of connecting bracket 17,13 dress of whirlwind cone It fits in connecting bracket 17, i.e., column 173 is centered around outside whirlwind cone 13.The lower sidewall of whirlwind cone 13 round 172 phase of frame under It is tightly connected.The side wall of round frame 172 and whirlwind cone 13 is formed under filtering screen 12, wind deflector 15, connecting bracket 17 as a result, Unidirectional airflow channel, i.e., the gas entered from filtering screen 12 can only be bored by whirlwind the suction force under the action of 13 into Air port enters inside whirlwind cone 13.The wide mouth part of dust guiding tube 16 is assemblied in the bottom of connecting bracket 17.It is preferred that and not restrictive, Upper round frame 171 extends inwardly to form supporting plate, and the shape of the supporting plate matches with the cone cell lower surface of wind deflector 15, and supporting plate Center is there are circular hole so that the tubular portion of wind deflector 15 passes through.Illustratively, wind deflector 15 and upper round frame 171 pass through fastener It is connected.Illustratively, the lower sidewall of whirlwind cone 13 is connected by fastener round frame 172 under.Illustratively, dirt is led Pipe 16 is connected by fastener round frame 172 under.

It is preferred that and not restrictive, filter assemblies are equipped with handle 19, and illustratively, as shown in figure 7d, handle 19 can be with It is arranged on wind deflector 15, or is arranged on the upper round frame 171 of connecting bracket 17.Needing to clear up or replace filter assemblies When, user can be pulled out filter assemblies by handle from dust pocket 11, easy to operate.

Further, in one or more illustrative embodiments of the utility model, the outside of dust guiding tube 16 is arranged Have a dust-break pipe 18, dust-break pipe 18 be it is horn-like, size matches with dust guiding tube 16.The slot end of dust-break pipe 18 and dust pocket 11 Sealed bottom connection.Dust-break pipe 18 can protect the outer wall of dust guiding tube 16, avoid the outer wall of dust guiding tube 16 by dust pocket 11 Dust granule scratch, with reduce abrasion prolong the service life.At least one dust-break wing is provided on the lateral wall of dust-break pipe 18 181, the dust-break wing 181 can stop the dust granule in dust pocket 11 as spiral air flow is passed along the outside wall surface of dust-break pipe 18 again Filtering screen 12 is led, the dust granule isolated is filtered again with reducing, improves filter efficiency.The institute in figure In the illustrative embodiments shown, the quantity of the dust-break wing 181 is two, is extended radially outward, and the shape of the dust-break wing 181 is It is wide at the top and narrow at the bottom.It is to be understood that the quantity of the dust-break wing 181, location and shape are exemplary only, those skilled in the art can be with It is configured according to actual needs, the utility model is not limited thereto.The wide mouth part of dust-break pipe 18 has extended downwardly ring-type and has enclosed Gear 182, can equally play the role of that the dust granule in dust pocket 11 is prevented to be transmitted to filtering screen 12 upwards.It should be appreciated that It is that in one or more embodiments of the utility model, dust guiding tube 16 and dust-break pipe 18 can be the same part, i.e. dust-break The wing 181 and cyclic annular enclosing 182 are set up directly on dust guiding tube 16, and dust guiding tube 16 avoids having isolated while leading dirt Dust granule is along its outer wall spiral to filtering screen.

It, illustratively, can be with it is preferred that and not restrictive, dust-break pipe 18 and the wide mouth part of dust guiding tube 16 are detachably connected It is connected by card hole with buckle, the utility model is not limited thereto.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, as depicted in fig. 7f, The bottom of dust pocket 11 is equipped with one or more convex ribs 112.The plane perpendicular of convex ribs 112 and dust pocket 11, convex ribs 112 can be set Set dust pocket 11 radially and/or circumferentially on.In the exemplary embodiment of the utility model, the bottom of dust pocket 11 is radial With convex ribs 112 are designed in circumferential direction, the utility model is not limited thereto.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, with reference to Fig. 7 f institute Show, the bottom of dust pocket 11 is equipped with guide part 113, and when installing filter assemblies, the slot end of dust guiding tube 16 can be along guide part 113 downwards, until connecting with the sealed bottom of dust pocket 11.In the illustrative embodiments shown in figure X, guide part 113 is Two halfround bar slices of right-angled intersection setting, on the one hand play the role of guiding role, on the other hand can also play dust-break, in addition, Such guide part 113 can also make the assembly of filter assemblies and dust pocket 11 more firm.It is to be understood that guide part 113 Shape be not limited thereto, those skilled in the art can design according to actual needs.Dust pocket 11 is narrow with dust guiding tube 16 Sealing ring can be equipped between mouth end, which can be located at the bottom of dust pocket 11, can also be located at the narrow of dust guiding tube 16 On mouth end, the utility model is not limited thereto.In the illustrative embodiments of the utility model, the bottom of dust pocket 11 is set There is seal groove, to accommodate the slot end of dust guiding tube 16.It is to be understood that seal groove and sealing ring are provided to reach preferably close Effect is sealed, the two can be used alone or be used cooperatively, and the utility model is not limited thereto.

Further, as shown in Fig. 8 a~8c, in one or more illustrative embodiments of the utility model, dust suction The battery component of device includes battery (not shown) and battery bracket.Battery bracket includes upper bracket 21 and lower bracket 22, on Bracket 21 and the detachably connected multiple battery holding cavities of formation of lower bracket 22.Upper bracket 21 includes top plate 211, and top plate 211 is arc Shape structure.The two sides of top plate 211 extend separately down there are two epipleural 212, and top plate 211 has also extended downwardly multiple upper separations Plate 213, upper demarcation plate 213 are equally spaced between two epipleurals 212.The upper demarcation plate 213 of adjacent two is opposite Face, upper demarcation plate 213 face opposite with epipleural 212 are the cambered surface of indent, so that two upper demarcation plates 213 or upper separation The cylindrical shape of battery holding cavity and battery that plate 213 is surrounded with epipleural 212 matches.Lower bracket 22 includes bottom plate 221, bottom Plate 221 is arcuate structure, and the shape of bottom plate 221 is corresponding with the shape of top plate 211.The two sides of bottom plate 221 have upwardly extended down The position of side plate 222, lower side panel 222 is corresponding with the position of epipleural 212.Bottom plate 221 has also extended downwardly multiple lower separations Plate 223, lower demarcation plate 223 are equally spaced between two lower side panels 222.The quantity of lower demarcation plate 223 and upper demarcation plate 213 quantity is identical.The opposite face of the lower demarcation plate 223 of adjacent two, lower demarcation plate 223 face opposite with lower side panel 222 are equal For the cambered surface of indent so that the battery holding cavity that is surrounded of two lower demarcation plates 223 or lower demarcation plate 223 and lower side panel 222 with The cylindrical shape of battery matches.Top plate 211 is respectively equipped with electrode slice on the face opposite with bottom plate 221.Upper bracket 21 and lower branch Frame 22 can be connected with each other composition battery bracket, form multiple battery holding cavities therebetween.In the exemplary embodiment party of the utility model In formula, two battery brackets are symmetrically enclosed in the two sides of motor cover 24, so that the structure of battery component and electric machine assembly It is very compact, inner space is saved, to reduce the volume of dust catcher.Battery bracket is connected with motor cover 24 by fixed part It is fixed, illustratively, it is mutually permanently connected by multiple fixed columns, it will thus be appreciated that the utility model is not limited thereto.It is excellent And not restrictive, the top plate 211 of battery bracket is higher than the upper end of motor cover 24 for choosing.The top plate 211 and partition 25 of battery bracket It is connected, there are certain intervals therebetween.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, upper bracket 21 with Lower bracket 22 is connected with each other by interconnecting piece, and interconnecting piece can be fastener and/or pin connection.Illustratively, interconnecting piece is arranged In the outside of epipleural 212 and lower side panel 222, as shown in Figure 8 a, the epipleural 212 and lower side panel 222 of side pass through straight pin 23a is connected with pin hole 23b, and the epipleural 212 of the other side is connected with lower side panel 222 by buckling 23c and retaining ring 23d, this Utility model is not limited thereto.It is to be understood that those skilled in the art can select according to actual needs upper bracket 21 with The connection type of lower bracket 22.

Further, as shown in Fig. 9 a, 9b, in one or more illustrative embodiments of the utility model, motor The main body 241 of cover 24 is cylinder, and 241 upper end of main body is sealing surface, lower ending opening for the gas through filtering component filters into Enter.The lower end of main body 241 is outward extended with arc-shaped base 242, is equipped with air-exhausting duct 243, air-exhausting duct along the side wall of main body 241 Arc-shaped base 242 is divided into symmetrical two parts from centre by 243.One end of air-exhausting duct 243 is connected with main body 241, another End upwardly extends the upper surface higher than main body 241, and the filtered gas in main body 241 can enter air-exhausting duct 243 to another End conduction.The gas being discharged in motor cover is discharged according to scheduled air duct in air-exhausting duct, avoids occurring in conductive process Sinuous flow phenomenon improves ventilation efficiency.Arc-shaped base 242 is for installing battery component.It is preferred that and not restrictive, arc-shaped base 242 outer ledge has upwardly extended baffle, defines that battery component assembles position between 241 lateral wall of baffle and main body, so that Battery component assembly is more accurate, while playing position-limiting action.

It is preferred that and not restrictive, as shown in Fig. 9 c~9e, being equipped with inner casing in the 241 inside coaxial sleeve of main body of motor cover 24 244, inner casing 244 is generally cylindrical, and upper surface sealing, lower end is connect with the inner seal of 241 lower end of main body, inner casing 244 Diameter is less than the diameter of main body 241.The bottom opening of inner casing 244 enters for the gas through filtering component filters, inner casing 244 Multiple motor exhaust outlet 244a are offered on side wall, the filtered gas in inner casing 244 can pass through motor exhaust outlet 244a Space between inner casing 244 and main body 241, and then continue to conduct into air-exhausting duct 243.Induced-draught electric motor (not shown) It is mounted in inner casing 244.The motor cover of two layers of design can reduce noise when use.Between inner casing 244 and motor cover 24 Equipped with cushion blocking 245, for example, the top of inner casing 244 is arranged in cushion blocking 245.Illustratively, the main body 241 of motor cover 24 Top is additionally provided with cushion blocking cavity 245a, and when inner casing 244 and the assembly of main body 241 are completed, cushion blocking 245 is entirely or partly accommodated In cushion blocking cavity 245a.In another or multiple illustrative embodiments, it is equipped with and subtracts between inner casing 244 and main body 241 Shake ring 246, for example, damping ring 246 is set between the bottom of inner casing 244 and the bottom of main body 241, the internal diameter of damping ring 246 Match with the outer diameter of inner casing 244, the outer diameter of damping ring 246 and the internal diameter of main body 241 match.On the one hand damping ring 246 rises To damping effect, on the other hand the space between inner casing 244 and main body 241 is sealed.Filtered gas is from inner casing After 244 enter the space between inner casing 244 and main body 241 via motor exhaust outlet 244a, air-exhausting duct 243 can only enter after resuming It leads.It is to be understood that vibration-damped component is arranged between the main body 241 and inner casing 244 of motor cover is not limited to illustrative cushion blocking 245 And/or damping ring 246, those skilled in the art can be arranged according to actual needs, the utility model is not limited thereto.

Further, as shown in Figure 10 a~10d, in one or more illustrative embodiments of the utility model, warp Filtering enters induced-draught electric motor and enters air-exhausting duct 243 by its gas being discharged, and gas conducts upwards along air-exhausting duct 243, and It is discharged by the gas vent 261 in upper cover 26.Upper cover 26 positioned at the upper part 20 of dust catcher overlooks generally circular, air draft Pipe 243 extends along the inner sidewall of upper cover 26.The handle 30 of dust catcher is arranged in upper cover 26, throwing of the handle 30 in upper cover 26 Shadow corresponds to the diameter where air-exhausting duct 243.The top of upper cover 26 position corresponding to air-exhausting duct 243 to two sides circumferentially Multiple racetrack groove 261a, the long axis of racetrack groove 261a is approximately along radial direction.The center of racetrack groove 261a connects Line formed circular arc, the vertex correspondence of the circular arc the position of air-exhausting duct 243.It is to be understood that the center of racetrack groove 261a Line, which is formed by circular arc, can be major arc or minor arc, and the utility model is not limited thereto.Gas vent 261 is provided with groove Side wall surface on.Specifically, in the illustrative embodiments of the utility model, gas vent 261 is provided with racetrack groove 261a is on the closer straight section side wall of air-exhausting duct 243.Preferably, gas vent 261 is extended to the bend of inside by straight section side wall Section.Illustratively, gas vent 261 also extends into the bottom surface of racetrack groove 261a.In the exemplary embodiment of the utility model In, the bed-plate dimension of racetrack groove 261a is less than the size of open end end face, the side wall of racetrack groove 261a be it is inclined, The bottom surface of racetrack groove 261a and the angle of side wall are greater than 90 °.It is exemplary that exhaust outlet 261 shares two groups and not restrictive, Every group seven, symmetrically arc is distributed in the two sides of air-exhausting duct 243.It is to be understood that the shape and quantity of exhaust outlet do not have to The utility model is limited, those skilled in the art can design according to actual needs, smooth and be not easy to meet air draft It is directly blown onto the hand of user.

Further, it as shown in Figure 11 a~11e, in one or more illustrative embodiments of the utility model, inhales The handle 30 of dirt device is J font, and wherein the end of the straightway 31 of J font handle 30 is connected with the bottom end of upper cover 26, J font The end of the bending section 32 of handle 30 is connected with the top of upper cover 26, and between straightway 31 and the side wall of upper cover 26, with And there are gripping space 300 (shown in Figure 1) between bending section 32 and the top of upper cover 26.The shape of handle 30 and position Design allows user to hold dust catcher at different angles, for example, user can hold bending section 32, can also need When hold straightway 31, to cope with the demand of different usage scenarios.Handle 30 is corresponding with the position that upper cover top is connected The position of air-exhausting duct 243.Preferably, the both ends of handle 30 are connected to the two sides of upper cover 26, that is, are connected to upper part 20 two sides.It is preferred that and not restrictive, the end portion width of the bending section 32 of handle 30 gradually increases to form extended segment 33.Extend Section 33 is more smooth with the connection of upper cover 26, and usage experience is more preferable when user's hand is held, and shape is also more beautiful, but this reality It is not limited thereto with novel.

It is preferred that and in non-limiting manner, the length of straightway 31 is 101~109mm, the outer arc of bending section 32 a length of 205~ 210mm, a length of 120~125mm of the inner arc of bending section 32.It is particularly preferred that the length of straightway 31 is 106.72mm, bending section The a length of 207.47mm of 32 outer arc, a length of 122.7mm of the inner arc of bending section 32.

It is preferred that and in non-limiting manner, the inner surface of handle 30 is equipped with anti-slip part 34.Specifically, anti-slip part 34 is arranged curved The inner surface of tune 32.It is further preferred that anti-slip part 34 is additionally arranged on straightway 31 and/or extended segment 33.It is exemplary Ground, anti-slip part 34 are multiple tread plates.

It is preferred that and in non-limiting manner, 26 bottom end side wall of upper cover be equipped with for mounting knob 30 the first mounting groove 262, on The top of cover 26 is equipped with the second mounting groove 263 for mounting knob 30.Handle 30 passes through fastener (not shown) and the One mounting groove 262 is connected with the second mounting groove 263, it will thus be appreciated that the utility model is not limited thereto.

It is preferred that and in non-limiting manner, the outside of the straightway 31 of handle 30 is equipped with dirt cup control key 35, dirt cup control key 35 It can control the connection between dust pocket 11 and the upper part 20 of dust catcher.31 outside of straightway of handle 30 is close to dust catcher Low portion 10 position be equipped with the first keyway 35a, dirt cup control key 35 be arranged in the first keyway 35a.Handle 30 it is straight The outside of line segment 31 is equipped on & off switch 36, and on & off switch 36 can control the switching on and shutting down of dust catcher.Outside the straightway 31 of handle 30 Side is equipped with adjusting key 37, the suction size of the adjustable dust catcher of adjusting key 37.Second is equipped on the outside of the straightway 31 of handle 30 Keyway 38a, third keyway 38b are arranged in the second keyway 38a, and third keyway 38b is separated into two accommodating spaces, point On & off switch 36 and adjusting key 37 Yong Yu not accommodated.Handle 30 is arranged in dirt cup control key 35, on & off switch 36 and/or adjusting key 37 On straightway 31, convenient for users to regulation and control dust catcher, and shape is succinct, beautiful.

It is preferred that and in non-limiting manner, the outer surface of handle 30 is equipped with cosmetic sheet 39, and cosmetic sheet 39 is covered on straightway 31 On the outer surface of part bending section 32.

The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.For above-mentioned example embodiment made it is any it is simple modification, Equivalent variations and modification, should all fall into the protection scope of the utility model.

Claims (21)

1. a kind of filter assemblies, are arranged in dust catcher, which is characterized in that the filter assemblies include:

Filtering screen is placed with multiple through-holes on the side wall of the filtering screen, the filtering screen is longitudinally set to be cylindric It sets；

Whirlwind cone, is inverted cone shape, and whirlwind cone is co-axially located in the filtering screen, is set in the upper portion side wall of whirlwind cone There is air inlet, upper end is equipped with air outlet, and lower end is equipped with dust-exhausting port；

Wind deflector is funnel type, which is co-axially located at the upper end of the whirlwind cone, the tubular portion opening of the wind deflector It extends downward into the whirlwind cone；

The upper end of the wind deflector is arranged in filter layer；And

Dust guiding tube, to be horn-like, which is co-axially located at the lower end of the filtering screen, the wide mouth part court of the dust guiding tube It is upper to be connected with the lower end of the filtering screen.

2. filter assemblies according to claim 1, which is characterized in that the filter assemblies further include connecting bracket, the company Connecing bracket includes:

Under round frame, with the filtering screen be coaxially disposed, round frame is connected with the wide mouth part of the dust guiding tube under this；

Upper round frame, with it is described under round frame be coaxially disposed, round frame is connected with the upper end of the wind deflector on this, on this The overall diameter of round frame be greater than it is described under round frame overall diameter；And

Multiple columns, from the upper round frame extend to vertically it is described under round frame, circumferentially, the multiple column encloses It is outer to be wound on the whirlwind cone, the filtering screen is wrapped in the multiple column outside.

3. filter assemblies according to claim 2, which is characterized in that the lateral wall lower part of the whirlwind cone and the lower circle Type frame is tightly connected.

4. filter assemblies according to claim 2, which is characterized in that the upper round frame extends inwardly to form supporting plate, should The shape of supporting plate and the shape of the taper portion of the wind deflector match, which is equipped with circular hole, the pipe of the wind deflector Shape portion passes through the circular hole.

5. filter assemblies according to claim 1, which is characterized in that the dust-exhausting port of whirlwind cone, which extends to, described leads dirt In the wide mouth part of pipe.

6. filter assemblies according to claim 1, which is characterized in that be coaxially provided in the dust guiding tube and lead dirt cone, this is led The vertex of dirt cone is arranged upward.

7. filter assemblies according to claim 1, which is characterized in that the filter assemblies further include handle, which sets It sets in the upper end of the wind deflector.

8. filter assemblies according to claim 1, which is characterized in that the outer sheath of the dust guiding tube is equipped with dust-break pipe, should Dust-break pipe be it is horn-like, the size of the dust-break pipe and the size of the dust guiding tube match.

9. filter assemblies according to claim 8, which is characterized in that be provided at least one on the lateral wall of the dust-break pipe A dust-break wing.

10. filter assemblies according to claim 9, which is characterized in that the dust-break wing along the dust-break pipe it is radial to Outer extension.

11. filter assemblies according to claim 9, which is characterized in that the dust-break wing is shape wide at the top and narrow at the bottom.

12. filter assemblies according to claim 9, which is characterized in that the quantity of the dust-break wing is two.

13. filter assemblies according to claim 8, which is characterized in that the wide mouth part of the dust-break pipe has extended downwardly ring Shape enclosing.

14. filter assemblies according to claim 1, which is characterized in that the filter layer be filter cotton, filter screen and/or HEPA filtration members.

15. a kind of dust catcher, the dust pocket of the dust catcher is cylindrical cup, which is characterized in that the dust catcher includes above-mentioned Filter assemblies described in any one of claim, the filter assemblies are co-axially located in the dust pocket of the dust catcher.

16. dust catcher according to claim 15, which is characterized in that the side wall upper part of the dust pocket is equipped with air inlet.

17. dust catcher according to claim 15, which is characterized in that the slot end of the dust guiding tube and the dust pocket Bottom surface is removably tightly connected.

18. dust catcher according to claim 17, which is characterized in that be equipped between the dust guiding tube and the dust pocket close Seal.

19. dust catcher according to claim 17, which is characterized in that the bottom of the dust pocket is equipped with seal groove, this is close The shape of sealing groove and the shape at the slot end of the dust guiding tube match.

20. dust catcher according to claim 17, which is characterized in that the bottom of the dust pocket is equipped with guide part, this is led Match to the shape at the slot end of the shape and dust guiding tube in portion.

21. dust catcher according to claim 20, which is characterized in that the guide part is cross one another two semicircles Piece.