CN208957981U - The dust pocket of dust catcher - Google Patents

Abstract

The utility model discloses a kind of dust pocket of dust catcher, which is the cylindrical cup of sealed bottom.Dust pocket includes: air inlet, and the side wall upper part of dust pocket is arranged in；And wind-guiding door, it is arranged in air inlet, the side of the wind-guiding door is fixedly connected on the wall surface of dust pocket, and dusty gas can blow wind-guiding door open, to enter dust pocket along the inner wall of dust pocket by the other side of wind-guiding door.Wind-guiding door is arranged by the air inlet in dust pocket in the utility model; dusty gas is entered along the inner wall of dust pocket; first the bulky grain dust in dusty gas can be separated under the action of the centrifugal, to reduce the filter pressure of filter assemblies, improve filter efficiency.

Description

The dust pocket of dust catcher

Technical field

The utility model relates to cleaner field, in particular to a kind of dust pocket of dust catcher.

Background technique

Dusty gas is sucked dirt by scrubbing brush and/or straight tube in use, induced-draught electric motor can generate negative-pressure sucking by dust catcher In cup, to be filtered by filter assemblies.Usual dusty gas by after air inlet entrance directly by the filtering group in dirt cup Part is filtered, and the filter pressure of filter assemblies is larger, influences filter efficiency.

Therefore, a kind of design that can reduce the filter pressure of the filter assemblies of dust catcher in the prior art is needed, thus Improve filter efficiency.

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 designs of the filter pressure of filter assemblies for reducing dust catcher, thus Improve filter efficiency.

To achieve the above object, the utility model provides a kind of dust pocket of dust catcher, which is sealed bottom Cylindrical cup.Dust pocket includes: air inlet, and the side wall upper part of dust pocket is arranged in；And wind-guiding door, setting into At air port, the side of the wind-guiding door is fixedly connected on the wall surface of dust pocket, and dusty gas can blow wind-guiding door open, thus by leading The other side of air door enters dust pocket along the inner wall of dust pocket.

Further, in above-mentioned technical proposal, the upper end of wind-guiding door is equipped with upper hem, and lower end is equipped with lower hem, upper hem and Lower hem is extended perpendicularly outward by wind-guiding door.

Further, in above-mentioned technical proposal, upper hem and lower hem are sector.

Further, in above-mentioned technical proposal, wind-guiding door is made of rubber.

Further, in above-mentioned technical proposal, wind-guiding door is made of silica gel.

Further, in above-mentioned technical proposal, there are gaps between the other side of wind-guiding door and the side wall of dust pocket.

Further, in above-mentioned technical proposal, there are gaps between the top and bottom of wind-guiding door and the side wall of dust pocket.

Further, in above-mentioned technical proposal, the side of wind-guiding door is equipped with department of assembly, and wind-guiding door is fixedly connected by department of assembly On the wall surface of dust pocket.

Further, in above-mentioned technical proposal, wind-guiding door is fixed by screws on the wall surface of dust pocket.

Further, in above-mentioned technical proposal, the other side of wind-guiding door is equipped with chamfering.

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

1. by dust pocket air inlet be arranged wind-guiding door, enable dusty gas along dust pocket inner wall into Enter, can first separate the bulky grain dust in dusty gas under the action of the centrifugal, to reduce the filtration pressure of filter assemblies Power improves filter efficiency.

2. upper hem is arranged on wind-guiding door and lower hem is further oriented to dusty gas, to ensure dusty gas Inner wall along dust pocket enters.

3. wind-guiding door is made of soft rubber material, elasticity is larger, and wind-guiding door can be with the air force of dusty gas Adaptively change aperture, it is ensured that intake and air inlet angle.

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 perspective exploded view of the dust pocket of an embodiment according to the present utility model.

Fig. 2 is the schematic side view of the dust pocket of an embodiment according to the present utility model.

Fig. 3 is the dust pocket of an embodiment according to the present utility model and the schematic cross-sectional view of filter assemblies assembly.

Fig. 4 is that the dust pocket of an embodiment according to the present utility model and another section view of filter assemblies assembly are illustrated Figure.

Fig. 5 is the schematic side view of the filter assemblies of an embodiment according to the present utility model.

Fig. 6 is the schematic cross-sectional view of the filter assemblies of an embodiment according to the present utility model.

Fig. 7 is the schematic side view of the cyclone separator of an embodiment according to the present utility model.

Fig. 8 is another schematic side view of the cyclone separator of an embodiment according to the present utility model.

Fig. 9 is the schematic top plan view of the cyclone separator of an embodiment according to the present utility model.

Figure 10 is the stereoscopic schematic diagram of the cyclone separator of an embodiment according to the present utility model.

Figure 11 is the schematic cross-sectional view of the cyclone separator of an embodiment according to the present utility model.

Figure 12 is the schematic side view of the wind deflector unit of an embodiment according to the present utility model.

Figure 13 is the schematic top plan view of the wind deflector unit of an embodiment according to the present utility model.

Figure 14 is the stereoscopic schematic diagram of the wind deflector unit of an embodiment according to the present utility model.

Figure 15 is the schematic cross-sectional view of the wind deflector unit of an embodiment according to the present utility model.

Main appended drawing reference explanation:

10- dust pocket, 11- air inlet, 12- wind-guiding door, 121- upper hem, 122- lower hem, the department of assembly 123-, 124- spiral shell Silk；

100- filter assemblies, 20- filtering screen, 21- top plate ring, 30- cyclone separator, the first disengagement chamber of 31-, the bottom 311- Face, 312- wind blade, the section 312a-, the air duct 313-, 313a- tunnel inlet, 313b- ducting outlet, the second disengagement chamber of 32-, The channel 321-, 33- air outlet, 34- dust-exhausting port, 35- separation cone, 351- trunk portion, 352- cone portion, 40- filter layer, 50- are led Wind unit, 51- taper portion, 511- filter layer cavity, 52- tubular portion, 53- baffle, 60- lead dirt unit, 61- dust guiding tube, 62- gear Dirt ring.

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 4, according to the dust pocket 10 of the dust catcher of specific embodiment of the present invention for collecting simultaneously The dust granule for storing the filtering of filter assemblies 100 through dust catcher and isolating.Dust pocket 10 is the cylindric cup of sealed bottom The side wall upper part of body, dust pocket 10 is equipped with air inlet 11.The filter assemblies 100 of dust catcher are removably co-axially located at dust pocket In 10, the dust granule isolated through filter assemblies 100 is fallen into dust pocket 10.It is preferred that and not restrictive, dust pocket 10 Wind-guiding door 12 is equipped at air inlet 11, shape and the air inlet 11 of wind-guiding door 12 match.The side of wind-guiding door 12 is fixedly connected On the wall surface of dust pocket 10, the other side is free end.When dusty gas blows to wind-guiding door 12, the free end meeting of wind-guiding door 12 It opens, so that dusty gas can enter dust pocket 10 from open crack between a door and its frame along the inner wall of dust pocket 10.Illustratively, wind-guiding Door 12 can be fixedly connected on the wall surface of dust pocket 10 by department of assembly 123；Wind-guiding door 12 can connect by the way that screw 124 is fixed It connects on the wall surface of dust pocket 10.It is to be understood that the utility model is not limited thereto, those skilled in the art can basis The assembly method of actual needs selection wind-guiding door.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, wind-guiding door 12 Top and bottom are respectively equipped with upper hem 121 and lower hem 122, and upper hem 121 and lower hem 122 are vertical outward by wind-guiding door 12 Extend.Upper hem 121 and lower hem 122 can form guiding role to dusty gas, and dusty gas blows wind-guiding door 12 open, upwards It is blocked with downward air-flow, dusty gas can only be along the tangential entrance of the inner wall of dust pocket 10.In turn, dusty gas is collecting It is rotated in dirt cup 10, under the action of the centrifugal, biggish dust granule can be fallen in dusty gas, and dusty gas passes through pre-filtering. Illustratively, the shape of upper hem 121 and lower hem 122 can for sector, it should be understood that be the utility model not as Limit.

It is preferred that and not restrictive, wind-guiding door 12 can be made of rubber, it is preferable that wind-guiding door 12 can be by silica gel system At.It is to be understood that those skilled in the art can according to need the material of selection wind-guiding door 12, which should have certain Elasticity, when dusty gas blows to wind-guiding door 12, wind-guiding door 12 can be blown open, so that dusty gas is along dust pocket 10 Inner wall enters.It is preferred that and not restrictive, there are gaps between the free end of wind-guiding door 12 and the side wall of dust pocket 10.It is preferred that and Without limitation, the free end of wind-guiding door 12 is equipped with chamfering (not shown).

Further, with reference to shown in Fig. 3 to Fig. 6, in one or more illustrative embodiments of the utility model, mistake Filter component 100 includes filtering screen 20, cyclone separator 30, filter layer 40, wind deflector unit 50, leads dirt unit 60.Filtering screen 20 be cylinder-like structure, and multiple through-holes are placed on side wall.Filtering screen 20 is longitudinally disposed, axis vertical.Whirlwind Separator 30 is co-axially located in filtering screen 20.30 upper end of cyclone separator is coaxially provided with wind deflector unit 50, wind deflector unit 50 For funnel type, tubular portion is opening down to be extended in cyclone separator 30, the upper end of cyclone separator 30 and wind deflector unit 50 Cone cell lower surface abut against.The upper end of wind deflector unit 50 is equipped with filter layer 40.The gas filtered through cyclone separator 30 exists Under the suction of induced-draught electric motor (not shown), conduction is continued up to filter layer 40 by wind deflector unit 50.Filter layer 40 filter the gas passed through again, and the dust granule isolated falls into cyclone separator 30 along wind deflector unit 50, and from rotation The dust-exhausting port of 30 lower end of wind separator is fallen.Filter layer 40 can be filter cotton, filter screen and/or HEPA filtration members, this is practical It is novel to be not limited thereto.It is preferred that and not restrictive, it includes several in HEPA filter layer that filter layer 40, which is HEPA filter layer, Therefore a fold compared with sponge filter layer, can increase the storage capacity of dust, and the filter effect of HEPA filter layer is excellent In sponge filter layer.Illustratively, HEPA filter layer with a thickness of 15mm~20mm.Leading dirt unit 60 is horn-like, wide-mouth End is connected with the lower end of filtering screen 20 upward.Illustratively, the bottom surface at the slot end and dust pocket 10 of leading dirt unit 60 can It is releasably tightly connected, the inside for leading dirt unit 60 forms secondary dust-collecting cavity.Illustratively, filter layer 40 (HEPA filter layer) Top surface to the height between the bottom surface of dust pocket 10 be 120~150mm, preferably 141.15mm.The all parts of filter assemblies Using coaxial arrangement, so that the structure of filter assemblies is very compact, compact, and the damage to negative-pressure sucking can also be reduced Consumption.

Further, with reference to shown in Fig. 7 to Figure 11, in one or more illustrative embodiments of the utility model, Cyclone separator 30 is arranged on the filtering air duct of dust catcher, for being filtered to dusty gas.Cyclone separator 30 includes Two disengagement chambers, i.e. the first disengagement chamber 31 and the second disengagement chamber 32.First disengagement chamber 31 has the bottom surface 311 of inverted cone shape and multiple Wind blade 312.Wind blade 312 is the identical globoidal structure of size and shape, and equably spiral is set multiple wind blades 312 It sets on bottom surface 311, to form multiple air ducts 313, air outlet 33 is provided with the top of the first disengagement chamber 31.First disengagement chamber 31 relative axis have rotational symmetry.The outer end of wind blade 312 and the outer end of adjacent wind blade 312 form air duct and enter The inner end of mouth 313a, the inner end of wind blade 312 and adjacent wind blade 312 forms ducting outlet 313b.Illustratively, wind Road entrance 313a is greater than ducting outlet 313b.Example and not restrictive, between the outer end and filtering screen 20 of wind blade 312 Distance be more than or equal to 15mm, the distance between filtering screen 20 and dust pocket 10 are more than or equal to 35mm.Second disengagement chamber 32 with The bottom end of first disengagement chamber 31 is connected, and the bottom surface of the second disengagement chamber 32 is the channel 321 of downward spiral, channel 321 and first The bottom surface 311 of the inverted cone shape of disengagement chamber 31 is coaxial, and dust-exhausting port 34 is provided with the end of the helix-type channel 321 of the second disengagement chamber 32 End.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, cyclone separator 30 further include separation cone 35.35 vertex of separation cone are co-axially located at upward on the channel of the second disengagement chamber 32.Illustratively, it separates The vertex of cone 35 extends in the first disengagement chamber 31.Separation cone 35 can be improved cyclonic separation effect, and when dust is fallen to When on separation cone 35, can more uniformly it fall on the helix-type channel 321 of the second disengagement chamber 32, and then from 34 row of dust-exhausting port Out.Illustratively, separation cone 35 includes trunk portion 351 and cone portion 352, the bottom end of trunk portion 351 and the second disengagement chamber 32 Channel 321 is connected, and cone portion 352 is pyramid type structure, and the upper end of trunk portion 351 is arranged in.Illustratively, the first disengagement chamber 31, the second disengagement chamber 32 and separation cone 35 are integrally formed.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, cyclone separator There is section 312a, the section 312a of multiple wind blades 312 to be located on same cylindrical surface for the outer end of 30 wind blade 312.

Further, referring to figs 12 to shown in Figure 15, in one or more illustrative embodiments of the utility model, The wind deflector unit 50 of funnel type includes taper portion 51 and tubular portion 52, and 51 upper end of taper portion is formed with filter layer cavity 511, cone cell Portion 51 is downwardly extending tubular portion 52.Illustratively, the diameter of tubular portion 52 is 20~35mm, preferably 30mm.Filter layer Cavity 511 can be to be columnar, and diameter is identical as the diameter of the upper end of taper portion 51, and filter layer 40 can be contained in filter layer It in cavity 511, and is tapered space between filter layer 40 and taper portion 51.Dusty gas is under the suction of induced-draught electric motor Taper portion 51 is entered by tubular portion 52, enables dusty gas uniformly across filter layer 40.Wind deflector unit 50 further include to A few baffle 53, baffle 53 are extended vertically downward by the end face of tubular portion 52, and illustratively, baffle 53 is along the end of tubular portion 52 Face is arranged radially.Illustratively, the shape of baffle 53 can be semi-circular, trapezoidal or triangle.Reality shown in the figure It applies in mode, the quantity of baffle 53 is two, and two baffles 53 are mutually perpendicular to, and baffle 53 is approximately trapezoidal.It should be appreciated that , quantity, location and shape of baffle 53 etc. are not limited thereto, and those skilled in the art can select according to actual needs It selects.The dust in gas can be formed and be stopped in the lower end of tubular portion 52 setting baffle 53, so that dust is fallen.

It is preferred that and not restrictive, in one or more illustrative embodiments of the utility model, wind deflector unit 50 The outer wall of tubular portion 52 and the distance between the inner end of wind blade 312 of cyclone separator 30 be less than or equal to 7mm.Wind-guiding The distance between the vertex of the separation cone 35 of the baffle 53 and cyclone separator 30 of unit 50 is less than or equal to 30mm.

It is preferred that and not restrictive, the end face of tubular portion 52 is not higher than the water where the center of the air inlet 11 of dust pocket 10 Plane.In the exemplary embodiment shown in the figure, the center institute of the air inlet 11 of the end face of tubular portion 52 and dust pocket 10 Horizontal plane be overlapped (with reference to shown in Fig. 3).Such design is so that the ash filtered out in dust pocket 10 by filtering screen 20 The power that dirt falls to the bottom of dust pocket 10 is greater than upward suction, so that dust to be preferably pressed onto the bottom of dust pocket 10.

Further, with reference to shown in Fig. 4~6, in one or more illustrative embodiments of the utility model, dirt is led Unit 60 includes horn-like dust guiding tube 61, and the wide mouth part of dust guiding tube 61 has extended obliquely downward dust retaining ring 62.It is preferred that rather than limiting Property processed, the angle of dust retaining ring 62 and horizontal plane is 40~60 °, more preferably 45 °.It is preferred that and not restrictive, dust retaining ring 62 width is 14~17mm, more preferably 16.12mm.Illustratively, dust retaining ring 62 is made of rubber.Preferably, dust-break Ring 62 is made of flexible glue.It is further preferred that dust retaining ring 62 is made of silica gel, PVC, TPE or TPU.

It is preferred that and not restrictive, the distance between the outer of dust retaining ring 62 and the inner wall of dust pocket 10 are 6~11mm, excellent It is selected as 7mm.

It is preferred that and not restrictive, the upper end of filtering screen 20 is outward extended with top plate ring 21, the outer diameter of the top plate ring 21 Match with the internal diameter of dust pocket 10, top plate ring 21 is made of plastics.Top plate ring 21 can be to be tilted upward by filtering screen 20 Extend.Preferably, top plate ring 21 is by ABS plastic, PC plastic, POM plastic, PP plastics, PS plastic, PA plastics or PET plastic It is made.The material hardness of top plate ring 21 is bigger than the material hardness of dust retaining ring 62, and dust granule falls after being in contact with top plate ring 21, Eventually fall into the bottom of dust pocket 10.

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 (10)

1. a kind of dust pocket of dust catcher, which is characterized in that the dust pocket is the cylindrical cup of sealed bottom, the dust Cup include:

The side wall upper part of the dust pocket is arranged in air inlet；And

Wind-guiding door is arranged in the air inlet, and the side of the wind-guiding door is fixedly connected on the wall surface of the dust pocket, contains Dust and gas body can blow the wind-guiding door open, to enter the collection along the inner wall of the dust pocket by the other side of the wind-guiding door Dirt cup.

2. the dust pocket of dust catcher according to claim 1, which is characterized in that the upper end of the wind-guiding door is equipped with upper folding Side, lower end are equipped with lower hem, the upper hem and the lower hem and are extended perpendicularly outward by the wind-guiding door.

3. the dust pocket of dust catcher according to claim 2, which is characterized in that the upper hem and the lower hem are fan Shape.

4. the dust pocket of dust catcher according to claim 1, which is characterized in that the wind-guiding door is made of rubber.

5. the dust pocket of dust catcher according to claim 1, which is characterized in that the wind-guiding door is made of silica gel.

6. the dust pocket of dust catcher according to claim 1, which is characterized in that the other side of the wind-guiding door and the collection There are gaps between the side wall of dirt cup.

7. the dust pocket of dust catcher according to claim 1, which is characterized in that the top and bottom of the wind-guiding door and institute State between the side wall of dust pocket that there are gaps.

8. the dust pocket of dust catcher according to claim 1, which is characterized in that the side of the wind-guiding door is equipped with assembly Portion, the wind-guiding door are fixedly connected on the wall surface of the dust pocket by the department of assembly.

9. the dust pocket of dust catcher according to claim 1, which is characterized in that the wind-guiding door is fixed by screws On the wall surface of the dust pocket.

10. the dust pocket of dust catcher according to claim 1, which is characterized in that the other side of the wind-guiding door is equipped with Angle.