CN1502296A - Grillage assembl yand cyclone dust collector of suction cleaner having same - Google Patents

Grillage assembl yand cyclone dust collector of suction cleaner having same Download PDF

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Publication number
CN1502296A
CN1502296A CNA031384366A CN03138436A CN1502296A CN 1502296 A CN1502296 A CN 1502296A CN A031384366 A CNA031384366 A CN A031384366A CN 03138436 A CN03138436 A CN 03138436A CN 1502296 A CN1502296 A CN 1502296A
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CN
China
Prior art keywords
dust
cyclone
grid
block piece
air
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Granted
Application number
CNA031384366A
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Chinese (zh)
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CN1262233C (en
Inventor
吴长根
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Samsung Electronics Co Ltd
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Samsung Gwangju Electronics Co Ltd
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Publication of CN1502296A publication Critical patent/CN1502296A/en
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Publication of CN1262233C publication Critical patent/CN1262233C/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16Arrangement or disposition of cyclones or other devices with centrifugal action
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658Construction of outlets
    • A47L9/1666Construction of outlets with filtering means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)

Abstract

A grill assembly of a cyclone dust collecting apparatus for use in a vacuum cleaner is disclosed. The grill assembly includes provisions that help to block dust ascending towards the grill body and deflect that dust towards a whirling air current. The grill assembly has a blocking member that can include a first member formed as a frustum-cone and a second member formed as a hollow cylinder.

Description

Grid component and cyclone dust collecting unit with vacuum cleaner of grid component
Technical field
The present invention relates in general to a kind of cyclone dust collecting unit that is used for vacuum cleaner, relate in particular to a kind of have grid component that improves structure and cyclone dust collecting unit with described grid component, described grid component can be from the air that enters cyclone dust collecting unit dust-separating and foreign matter (hereinafter referred to as " dust ").
Background technology
Cyclone dust collecting unit can utilize centrifugal force that particulate is separated from fluid, because this device heatproof, withstand voltage to heavens, it is widely used in industrial circle.In vacuum cleaner, also use this cyclone dust collecting unit.
Authorize the representative example that discloses a kind of cyclone dust collecting unit in the applicant's the Korean Patent 317117, Fig. 1 shows the schematic sectional view of the cyclone dust collecting unit that is used for vacuum cleaner.
As shown in Figure 1, cyclone dust collecting unit is installed on extension 1a, the 1b of vacuum cleaner.For convenience of explanation, compare with the cyclone dust collecting unit of upright vacuum cleaner, to be example explanation cyclone dust collecting unit with the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner, the cyclone dust collecting unit of upright vacuum cleaner also will be described below.
Please referring to Fig. 1, the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner comprises cyclone body 20, dust container 30 and grid component 40.
Cyclone body 20 comprises: first tube connector 21, and this first tube connector 21 links to each other with extension 1a towards the suction brush of vacuum cleaner; Second tube connector 22, this second tube connector 22 links to each other with extension 1b towards the main body of vacuum cleaner; Air inlet 23, this air inlet 23 and first tube connector, 21 fluid communication; Exhaust outlet 24, this exhaust outlet 24 and second tube connector, 22 fluid communication.The air that contains dust is inhaled into cyclone body 20 and enters eddy current by air inlet 23.
Dust container 30 links to each other with cyclone body 20 removably, and collects isolated dust the eddy current that moves in cyclone body 20.
Grid component 40 is arranged on the exhaust outlet 24 of cyclone body 20, is used for preventing that the dust in that dust container 30 is collected from flowing backwards to vacuum cleaner main body.Grid component 40 comprises: grid body 41; The a plurality of air ducts 42 that form in the periphery of grid body 41 are with exhaust outlet 24 fluid communication; With Frusto-conical dust block piece 43, it is installed in the end portion of grid body 41.
At the traditional cyclone dust collecting unit that is used for cylinder type of vacuum cleaner that constitutes as mentioned above, produce suction at the suction brush place of vacuum cleaner, the air that contains dust is inhaled in the cyclone body 20 with tilt relationship by first tube connector, 21 relative cyclone bodies 20.Therefore, inhaled air moves to dust container 30 bottoms in eddy current.In this process, dust separates from eddy current owing to centrifugal force, and is collected in the dust container 30.Subsequently, air is from the bottom reflection of dust container 30, and to move upward around track than downward eddy current circlet.By ascending eddy, air is discharged vacuum cleaner main body by air duct 42, exhaust outlet 24 and second tube connector 22.
Some dust is inhaled in the ascending eddy in dust container 30, but is stopped and be present in the eddy current again by dust block piece 43 subsequently.The dust that is stopped by dust block piece 43 can not be by the air duct 42 of grid component 40, and these dust are present in the eddy current again and are collected in the dust container 30.
Fig. 2 is the sectional view that is used for traditional cyclone dust collecting unit of upright vacuum cleaner.
Please referring to Fig. 2, the traditional cyclone dust collecting unit that is used for upright vacuum cleaner is identical with the above-mentioned cyclone dust collecting unit essential structure that is used for cylinder type of vacuum cleaner.Therefore, the traditional cyclone dust collecting unit that is used for upright vacuum cleaner comprises cyclone body 200, dust container 300 and grid component 400.Difference is that the cyclone dust collecting unit of upright vacuum cleaner is installed in the dust storage chamber of vacuum cleaner main body, and the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner is not like this, will describe described difference in detail below.
Cyclone body 200 comprises air inlet pipe 210 and blast pipe 220.When cyclone dust collecting unit being installed in the vacuum cleaner main body (not shown), air inlet pipe 210 links to each other with inlet channel, the suction brush (not shown) fluid communication of described inlet channel and vacuum cleaner main body.Equally, blast pipe 220 links to each other with the exhaust passage, motor room's (not shown) fluid communication of described exhaust passage and vacuum cleaner main body.Therefore, the air that contains dust is inhaled into from inhaling brush institute clean Surface.The air that contains dust tangentially enters cyclone body 200 subsequently subsequently by the inlet channel and the air inlet pipe 210 of vacuum cleaner main body.Therefore, in cyclone body 200, form eddy current, utilize centrifugal force that dust is separated from inhaled air.Air after the cleaning is by blast pipe 220, and the motor room by exhaust passage and vacuum cleaner main body is expelled to the outside subsequently.
Dust container 300 links to each other with cyclone body 200 bottoms removably, and collects by eddy current isolated dust from air.
Grid component 400 is arranged on the inlet of the blast pipe 220 in the cyclone body 200, is used to prevent that isolated dust is by blast pipe 220 effusions.Grid component 400 comprises: grid body 410; The a plurality of air ducts 420 that on the outer surface of grid body 410, form.Air duct 420 makes fluid communication between grid component 400 outsides and the blast pipe 220.Grid component 400 also comprises Frusto-conical dust block piece 430, and it is installed in the bottom of grid body 410.
In the upright vacuum cleaner that is equipped with the cyclone dust collecting unit with said structure, when clean operation began, the motor-driven in the motor room was correspondingly inhaled brush and is produced suction.The air that contains dust is inhaled in the cyclone body 200 by the inlet channel and the air inlet pipe 210 of inhaling brush and process vacuum cleaner main body.Because the tangent line of air inlet pipe 210 is inhaled into cyclone body 200 with incline direction towards, the air that contains dust along cyclone body 200 in interior week.Therefore form eddy current in cyclone body 200, dust is separated from eddy current by centrifugal force, and is collected in the dust container 300.The air of cleaning is discharged by the air duct 420 and the blast pipe 220 of grid component 400.The clean air motor room of exhaust passage and vacuum cleaner main body that flows through subsequently.
In this process, some dust in the ascending eddy in dust container 300 is stopped by dust block piece 430, thereby is present in the eddy current again.Can not be by the dust that dust block piece 430 is stopped by the air duct 420 of grid component 400, these dust are present in the eddy current again and finally are collected in the dust container 300.
In operation, above-mentioned cyclone dust collecting unit can assist to reduce the dust quantity of being collected by paper filter.Consider that paper filter can not use repeatedly, reduce the dust quantity of collecting and to prolong the service life of paper filter, thereby help alleviating user's financial burden by paper filter.
The research of the cyclone dust collecting unit that is used for vacuum cleaner mainly is conceived to retrain dust how effectively and prevents that it from overflowing by grid component.
Please referring to Fig. 1 and Fig. 2, grid component 40,400 has the air duct 42,420 of preliminary dimension, be used to discharge clean air, with regard to its inherent characteristic, because grid component 40,400 is arranged on the porch of the blast pipe 20,220 in the cyclone body 20, some dust is overflowed by the air duct 42,420 of grid component 40,400.Because dust is overflowed, the quantity of the dust that paper filter is collected increases, and perhaps, if there is not paper filter, will have the dust of greater number to discharge dust collect plant.Dust catching efficiency reduces as a result.
In order to prevent the dust effusion, traditionally, Frusto-conical dust block piece 43,430 is installed in the bottom of grid body 41,410.Dust block piece 43,430 stops back the dust in the ascending eddy in the eddy current, thereby dust can not flowed near the air duct 42,420 of grid body 41,410.But traditional dust block piece 43,430 is having limitation aspect the ability that prevents whole dust effusions.
Though the dust of preliminary dimension is stopped by dust block piece 43,430, and be under an embargo and flow into the air duct 42,420 of grid body 41,410, but be enough to by between dust block piece 43 and dust container 30 inside and the space between the inwall of dust block piece 430 and cyclone body 200 such as the dust size of hair etc.This tiny dust blocks grid body 41,410 sometimes, perhaps is discharged to the outside by air duct 42,420, and the dust catching efficiency of vacuum cleaner is reduced.Therefore, need improve this.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of grid component that is used for the cyclone dust collecting unit of vacuum cleaner, described grid component has improved structure, also reduces to comprise the air duct outflow of the fluid of tiny dust (for example hair) by grid component thereby can restrain.
Another object of the present invention provides a kind of cyclone dust collecting unit that is used for vacuum cleaner, and it helps to improve the dust catching efficiency of the vacuum cleaner of the grid component with above-mentioned improvement structure.
Above-mentioned purpose is achieved by a kind of grid component that is used for the cyclone dust collecting unit of vacuum cleaner is provided, and described grid component is arranged on the porch of the blast pipe of cyclone body, and the air that contains dust forms eddy current in described cyclone body.Dust is separated from the air that contains dust by the centrifugal force of eddy current, can prevent the dust effusion like this.The present invention includes: the grid body; The a plurality of air ducts that on the grid body, form; Be arranged on the dust block piece of grid body bottom, this dust block piece stops the dust that exists in the ascending air of grid body, and makes dust towards eddy current deflection.Described dust block piece comprises: first element, this first element are made the conical butt that diameter increases gradually downwards; With second element, this second element is made the hollow circular cylinder that vertically separates with the first element downside, and described second element has predetermined length.
Therefore, even also stopped, and can not rise towards the grid body by the dust block piece such as the little of hair etc. and long dust.Dust changes into again and being present in the eddy current, and therefrom is separated, and falls into the dust container.As a result, prevented to reduce owing to the dust catching efficiency that the dust effusion brings.
A plurality of air ducts are made by a plurality of blades, and described blade makes fluid can pass through air duct along the periphery preset distance setting apart each other of grid body.Therefore can prevent that dust from overflowing by air duct, thereby improve dust catching efficiency.
In one aspect of the invention, the dust block piece removably links to each other with the downside of grid body by connector.
In one aspect of the method, described connector comprises and is formed in a pair of connecting hole in week in the grid body bottom relatively that each connecting hole has: the location guide part, and described location guide partly has unlimited lower end; And the coupling part, the lower end of opening wide of described coupling part and described location guide part separates, and described connector also comprises a pair of connection bump that is formed on the dust block piece upper outside surfaces, and described projection is corresponding with described connecting hole.
In one aspect of the method, described connector comprises screw, and described screw is fixed on the downside of grid body from the downside of dust block piece.
Another object of the present invention is to realize by a kind of cyclone dust collecting unit that is used for vacuum cleaner, and described cyclone dust collecting unit links to each other with the extension of cylinder type of vacuum cleaner and by making the air rotation that contains dust dust separated.Described cyclone dust collecting unit comprises cyclone body, and described cyclone body comprises: first tube connector, and this first tube connector links to each other to suck air with the inlet extension; Second tube connector, this second tube connector links to each other to discharge air with the outlet extension; The dust container, this dust container is removably mounted on the cyclone body, be used for collecting the dust of from the air that contains dust that rotates at cyclone body, separating by centrifugal force, described cyclone dust collecting unit also comprises the grid component of the second tube connector porch that is arranged on cyclone body inside, and the dust that is used to prevent to separate is by the effusion of second tube connector.Described grid component comprises: the grid body, the grid body comprises the first grid body portion, this first grid body portion has the ribs that engages with cyclone body, the grid body also comprises the second grid body portion, and this second grid body portion is made the hollow circular cylinder that extends out from the first grid body portion integratedly; The a plurality of air ducts that on the second grid body portion outer surface of grid body, form, described air duct makes the grid component air outside and the second tube connector fluid communication; Be arranged on the dust block piece of the second grid body portion bottom, this dust block piece stops the dust that exists in the ascending air of grid body, and make dust towards eddy current deflection, described dust block piece comprises: first element, this first element are made the conical butt that diameter increases gradually downwards; With second element, this second element extends vertically down from first element, and described second element has predetermined length.
The cyclone dust collecting unit that is used for upright vacuum cleaner comprises cyclone body, described cyclone body comprises air inlet pipe that links to each other with inlet channel and the blast pipe that links to each other with the exhaust passage, and described cyclone body comprises: make the air that contains dust that sucks by air inlet pipe produce the device of eddy current; The dust container that removably links to each other with cyclone body is used for collecting the dust of separating from the air-swirl that contains dust in the cyclone body by centrifugal force; With the grid component of the porch that is arranged on the blast pipe in the cyclone body, be used for preventing that the dust from the air that contains dust is separated from overflowing by blast pipe.Described grid component comprises: the grid body, and described grid system becomes to have the hollow circular cylinder of unlimited upper end; The a plurality of air ducts that form on the outer surface of grid body, described air duct can make fluid from the outside blast pipe that flows into of grid component; Be arranged on the dust block piece of the second grid body portion bottom, this dust block piece stops the dust that exists in the ascending air of grid body, and make dust towards eddy current deflection, described dust block piece comprises: first element, this first element are made the conical butt that diameter increases gradually downwards; With second element, this second element extends vertically down from first element, and described second element has predetermined length.
Description of drawings
Describe embodiments of the invention in conjunction with the drawings in detail, above-mentioned purpose of the present invention and feature will be clearer, wherein:
Fig. 1 is the schematic sectional view that is used for traditional cyclone dust collecting unit of cylinder type of vacuum cleaner;
Fig. 2 is the schematic sectional view that is used for traditional cyclone dust collecting unit of upright vacuum cleaner;
Fig. 3 is the sectional view of preferred embodiment that is used for the cyclone dust collecting unit of cylinder type of vacuum cleaner, and it has been equipped according to grid component of the present invention;
Fig. 4 is the perspective view of grid component shown in Figure 3;
Fig. 5 is the decomposition diagram of grid component shown in Figure 3;
Fig. 6 is the sectional view of preferred embodiment that is used for the cyclone dust collecting unit of upright vacuum cleaner, and it has been equipped according to grid component of the present invention;
Fig. 7 is the perspective view of grid component shown in Figure 6;
Fig. 8 is the decomposition diagram of grid component shown in Figure 6.
The specific embodiment
Describe the preferred embodiments of the present invention in conjunction with the drawings in detail, purpose of the present invention and other characteristics will be clearer.Similar elements adopts same reference numerals in specification.
Fig. 3 and Fig. 4 have shown the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner, and it has been equipped according to grid component of the present invention.Please referring to Fig. 3 and Fig. 4, the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner comprises cyclone body 20, dust container 30 and grid component 40.
Cyclone body 20 comprises: with first tube connector 21 that inlet extension 1a links to each other, this inlet extension 1a makes first tube connector 21 and the suction of vacuum cleaner brush fluid communication; With second tube connector 22 that outlet extension 1b links to each other, the main body that this outlet extension 1b stretches to vacuum cleaner; Air inlet 23, this air inlet 23 and first tube connector, 21 fluid communication; Exhaust outlet 24, this exhaust outlet 24 and second tube connector, 22 fluid communication.The air that contains dust is inhaled into cyclone body 20 and enters eddy current by air inlet 23.
Dust container 30 links to each other with cyclone body 20 removably, and collects isolated dust the eddy current that moves in cyclone body 20.
Grid component 40 is arranged on the exhaust outlet 24 of cyclone body 20, is used for preventing the dust effusion dust container of collecting at dust container 30 30 and flowing to vacuum cleaner main body.Grid component 40 comprises: grid body 41 and a plurality of air ducts 42 that form in the periphery of grid body 41.Air duct 42 makes the inside and exhaust outlet 24 fluid communication of dust container 30.Dust block piece 43 is installed in the end of grid body 41.
Grid body 41 comprises the first grid body portion 41b and the second grid body portion 41c.The first grid body portion 41b has design and is used for the ribs 41a that engages with cyclone body 20.The second grid body portion 41c makes the hollow circular cylinder that extends out from the first grid body portion 41b integratedly.
On the outer surface of the second grid body portion 41c, make air duct 42, be rendered as the form of a plurality of through holes, as shown in Figure 3.As selection, air duct 42 also can be made slit, and described slit is by forming on the outer surface that a plurality of blades is arranged at a predetermined angle the second grid body portion 41c.Air duct 42 relative other structures of form of slits are more preferred, because it can more effectively prevent the dust effusion.
Dust block piece 43 stops the dust that exists and makes dust towards eddy current deflection, thereby prevents the dust effusion in the ascending air of grid body 41.Dust block piece 43 is installed in the bottom of the second grid body portion 41c, and comprises: the first element 43a, this first element make the conical butt that diameter increases gradually downwards; With the second element 43b, this second element is made the hollow circular cylinder that extends from the first element 43a downside.The second element 43b has predetermined length.
Can adjust to obtain desirable dust blocking effect the length of the second element 43b.In one embodiment, the length of the second element 43b is between 10 to 30mm.In a preferred embodiment, the length of the second element 43b is between 15 to 20mm.
With very little, dust block piece 43 can be made one with grid body 41, as shown in Figure 4, perhaps can make respectively with grid body 41, as shown in Figure 5.
In the embodiment that dust block piece 43 and grid body 41 are made respectively, dust block piece 43 links to each other with grid body 41 by connector 45.In one embodiment, connector 45 comprises a pair of connecting hole 45a and a pair of connection bump 45b that is formed in relatively in the second grid body portion 41c lower inner surface, connection bump 45b is formed on dust block piece 43 outer surface of upper, and is corresponding with a pair of connecting hole 45a.Each connecting hole 45a comprises: the location guide part, and described location guide partly has unlimited lower end; And the coupling part, the lower end of opening wide of described coupling part and described location guide part separates.Connection bump 45b partly aims at and inserts wherein with the location guide of respective connecting 45a, then along the predetermined direction rotation, is positioned at the coupling part of connecting hole 45a until connection bump 45b.Thereby dust block piece 43 fits together with grid body 41.
Except said structure, connector 45 can also adopt other various structures.For example, connector 45 can comprise threaded fastener, perhaps on grid body 41 and dust block piece 43 surface separately screw thread is set.
As mentioned above, cyclone dust collecting unit can be used for cylinder type of vacuum cleaner.In operation, the suction that produces at the suction brush place of vacuum cleaner makes the air that contains dust be inhaled in the cyclone body 20 with the direction that tilts by first tube connector, 21 relative cyclone bodies 20.Therefore, inhaled air has moved to the bottom of cyclone body 20 in eddy current.In this process, dust is separated from eddy current by centrifugal force, and is collected in the dust container 30.Subsequently, air is returned from the bottom reflection of dust container 30, and to move upward around track than downward eddy current circlet.Air in the eddy current that rises is discharged vacuum cleaner main body by air duct 42, exhaust outlet 24 and second tube connector 22.
Some dust still is present in the ascending eddy in the dust container 30, but is stopped and be present in the eddy current again by dust block piece 43 subsequently.Stopped by dust block piece 43 by dust, can not be by the air duct 42 of grid component 40, these dust are present in the eddy current again and are collected in the dust container 30.
Have the dust block piece 43 that improves architectural characteristic by use, can more effectively stop the dust of rising and make it to eddy current deflection.As a result, even the tiny dust such as hair is stopped that also so they no longer rise towards grid body 41, but fall and be collected in the dust container 30.
Fig. 6 and Fig. 7 have shown the cyclone dust collecting unit that is used for upright vacuum cleaner according to of the present invention.As shown in Figure 6 and Figure 7, the cyclone dust collecting unit that is used for upright vacuum cleaner according to the present invention is identical with the above-mentioned cyclone dust collecting unit essential structure that is used for cylinder type of vacuum cleaner.Therefore, the cyclone dust collecting unit that is used for upright vacuum cleaner according to the present invention comprises cyclone body 200, dust container 300 and grid component 400.Difference is that the cyclone dust collecting unit according to upright vacuum cleaner of the present invention is installed in the dust storage chamber of vacuum cleaner main body, and the cyclone dust collecting unit that is used for cylinder type of vacuum cleaner is not like this, will describe described difference in detail below.
Cyclone body 200 comprises air inlet pipe 210 and blast pipe 220.When cyclone dust collecting unit being installed in the vacuum cleaner main body (not shown), air inlet pipe 210 links to each other with inlet channel, the suction brush (not shown) fluid communication of described inlet channel and vacuum cleaner main body.Equally, blast pipe 220 links to each other with the exhaust passage, motor room's (not shown) fluid communication of described exhaust passage and vacuum cleaner main body.Therefore, the air that contains dust is inhaled into from institute's clean Surface by inhaling brush.The air that contains dust tangentially enters cyclone body 200 subsequently subsequently by the inlet channel and the air inlet pipe 210 of vacuum cleaner main body.Therefore, in cyclone body 200, form eddy current, utilize centrifugal force that dust is separated from inhaled air.Air after the cleaning is by blast pipe 220, and the motor room by exhaust passage and vacuum cleaner main body is expelled to the outside subsequently.
Dust container 300 links to each other with cyclone body 200 bottoms removably, and collects the centrifugal force isolated dust from air by the eddy current generation of cyclone body 200.
Grid component 400 is arranged on the inlet of the blast pipe 220 in the cyclone body 200, is used to prevent that isolated dust from flowing out by blast pipe 220.Grid component 400 comprises: grid body 410, and grid body 410 is made the hollow circular cylinder with unlimited upper end; The a plurality of air ducts 420 that form on the outer surface of grid body 410, air duct 420 make grid body 410 outside and blast pipe 220 fluid communication.Dust block piece 430 is installed in the bottom of grid body 410.
By a plurality of blades are set at a predetermined angle, air duct 420 can be made the narrow openings on grid body 410 outer surfaces.Though not shown, air duct 420 also can be a plurality of through holes of making on the outer surface of grid body 410.More preferred by the air duct 420 that blade formation narrow openings form is set, this is because the air duct 420 of narrow openings form can prevent more effectively that dust from passing through air duct 420 and overflowing.
Dust block piece 430 stops the dust that exists and makes dust towards eddy current deflection, thereby prevents the dust effusion in the air-flow that grid body 410 rises.According to the present invention, dust block piece 430 comprises: the first element 430a, this first element 430a make the conical butt that diameter increases gradually downwards; With the second element 430b, this second element 430b makes from the hollow circular cylinder of the first element 430a downside definite length extended.
Can adjust to obtain desirable dust blocking effect the length of the second element 430b.In one embodiment, the length of the second element 430b is between 10 to 30mm.In a preferred embodiment, the length of the second element 430b is between 15 to 20mm.
Dust block piece 430 can be made one with grid body 410, as shown in Figure 7, perhaps can make respectively with grid body 410, as shown in Figure 8.
In the embodiment that dust block piece 430 and grid body 410 are made respectively, preferably use connector 450 that dust block piece 430 is linked to each other with grid body 410.In one embodiment, connector 450 can comprise screw, and described screw is inserted into grid body 410 downsides from the downside of dust block piece 430.But, can not be interpreted as this mode that is limited to.As long as dust block piece 430 can be linked to each other with grid body 410, can adopt various structures.
In the upright vacuum cleaner of the cyclone dust collecting unit that is equipped with said structure, the running of equipment is as follows.Motor-driven in the motor room is correspondingly inhaled brush and is produced suction.This suction will contain the inlet channel and the air inlet pipe 210 of the air suction vacuum cleaner main body of dust.By after the air inlet pipe 210, the air that contains dust is inhaled into cyclone body 200 with incline direction along cyclone body 200 in interior week.Therefore form eddy current in cyclone body 200, dust is separated from eddy current by centrifugal force, and is collected in the dust container 300.The air of cleaning is discharged by the air duct 420 of grid component 400.The clean air motor room of blast pipe 220, exhaust passage and vacuum cleaner main body that flows through subsequently.
In this process, the dust that still is present in the ascending eddy in the dust container 300 is stopped and is present in the eddy current again by dust block piece 43.Stopped by dust block piece 430 by dust, can not be by the air duct 420 of grid component 400, these dust are present in the eddy current again and are collected in the dust container 300.
By using, can more effectively stop the dust of rising and make it to eddy current deflection according to dust block piece 430 of the present invention.As a result, even the tiny dust such as hair is stopped that also so they no longer rise towards grid body 410, but fall and be collected in the dust container 300.Because the effusion of dust has obtained more effective constraint and stopped, the dust catching efficiency of vacuum cleaner improves.
As mentioned above, according to the present invention, the dust that comprises little and long particulate (for example hair) is stopped by the dust block piece that all described dust block piece has second element of Frusto-conical first element and the hollow circuit cylinder bodily form, so these dust particulates are present in the eddy current again.Therefore, even little such as hair and long dust are stopped that also so they no longer rise towards grid body 410, but fall and be collected in the dust container 300.Because the effusion of dust has obtained more effective constraint and stopped, the dust catching efficiency of vacuum cleaner improves.
According to the invention described above,, the little and long dust such as hair stops that described dust block piece has second element of Frusto-conical first element and the hollow circuit cylinder bodily form even also being subjected to the dust block piece.Therefore, dust no longer rises towards the grid body, but is present in the eddy current again.As a result, the effusion of dust minimizes.
Although understand several embodiments of the present invention, but those of ordinary skill in the art can make improvement and distortion to these specific embodiments under the prerequisite that does not deviate from the principle of the invention and spirit.Scope of the present invention is limited by claims and equivalent thereof.

Claims (19)

1. grid component that is used for the cyclone dust collecting unit of vacuum cleaner, described grid component is arranged on the porch of the blast pipe of cyclone body, the air that contains dust forms eddy current in described cyclone body, and dust is separated from the air that contains dust by the centrifugal force of eddy current, is used to stop that the described grid component that dust is overflowed comprises:
The grid body;
The a plurality of air ducts that on described grid body, form; With
Be arranged on the dust block piece of described grid body bottom, this dust block piece stops the dust that exists in the ascending air of grid body, thereby makes dust towards eddy current deflection,
Described dust block piece comprises:
First element, this first element are made the conical butt that diameter increases gradually downwards; With
Second element, this second element are made from the vertically extending hollow circular cylinder of the described first element downside, and have predetermined length.
2. grid component according to claim 1, wherein said a plurality of air ducts are made by a plurality of blades, and described a plurality of blades are along the outer surface preset distance setting apart each other of grid body.
3. grid component according to claim 1, wherein said dust block piece removably links to each other with the downside of grid body by connector.
4. grid component according to claim 3, wherein said connector comprises:
Be formed in a pair of connecting hole in the grid body lower inner surface relatively, each connecting hole has: the location guide part, described location guide partly has unlimited lower end, and the coupling part, described coupling part and described location guide vertical the separating of lower end of opening wide partly;
Be formed in a pair of connection bump on the dust block piece upper outside surfaces, wherein said connection bump is aimed at described a pair of connecting hole.
5. grid component according to claim 3, wherein said connector comprises screw, described screw is fixed on the downside of described grid body from the downside of dust block piece.
6. grid component according to claim 1, second leement duration of wherein said dust block piece is between 10 to 30mm.
7. grid component according to claim 6, second leement duration of wherein said dust block piece is between 15 to 20mm.
8. cyclone dust collecting unit that is used for vacuum cleaner, described cyclone dust collecting unit links to each other with the inlet extension of cylinder type of vacuum cleaner and by making the air rotation that contains dust that is inhaled into cyclone dust collecting unit dust is separated, and described cyclone dust collecting unit comprises:
Cyclone body, described cyclone body comprise link to each other with the inlet extension with first tube connector that sucks air with link to each other with second tube connector of discharge air with the outlet extension;
The dust container, this dust container is removably mounted on the described cyclone body, is used for collecting the dust of separating from the air that contains dust that rotates at cyclone body by centrifugal force; With
Be arranged on the grid component of the second tube connector porch of cyclone body inside, be used to prevent that the dust of separating from passing through second tube connector and overflowing,
Described grid component comprises:
The grid body, described grid body comprises the first grid body portion, this first grid body portion has the ribs that engages with cyclone body, and the grid body also comprises the second grid body portion, and this second grid body portion is made the hollow circular cylinder that extends out from the described first grid body portion integratedly;
The a plurality of air ducts that on the described second grid body portion outer surface, form, described air duct makes the grid component air outside and the second tube connector fluid communication; With
Be arranged on the dust block piece of the second grid body portion bottom, this dust block piece stops the dust that exists in the ascending air of grid body, thereby make dust towards eddy current deflection, described dust block piece comprises: first element, this first element are made the conical butt that diameter increases gradually downwards; With second element, this second element extends downward vertically from first element, and described second element has predetermined length.
9. cyclone dust collecting unit according to claim 8, wherein said a plurality of air ducts are made by a plurality of blades, and described a plurality of blades each other at a distance of the preset distance setting, make the fluid fluid passage of can flowing through along the outer surface of grid body.
10. cyclone dust collecting unit according to claim 8, wherein said dust block piece removably links to each other with the downside of the second grid body portion by connector.
11. cyclone dust collecting unit according to claim 10, wherein said connector comprises:
Be formed in a pair of connecting hole in the second grid body portion lower inner surface relatively, each connecting hole has: the location guide part, described location guide partly has unlimited lower end, and the coupling part, described coupling part and described location guide vertical the separating of lower end of opening wide partly;
Be formed in a pair of connection bump on the dust block piece upper outside surfaces, wherein said connection bump is corresponding with described a pair of connecting hole.
12. cyclone dust collecting unit according to claim 8, second leement duration of wherein said dust block piece is between 10 to 30mm.
13. cyclone dust collecting unit according to claim 12, second leement duration of wherein said dust block piece is between 15 to 20mm.
14. cyclone dust collecting unit that is used for vacuum cleaner, this cyclone dust collecting unit is installed in the dust storage chamber of upright vacuum cleaner, by making the air rotation that contains dust that is inhaled into dust is separated, described air is inhaled into by inlet channel, the suction brush fluid communication of described inlet channel and upright vacuum cleaner, after dust separates, clean air is discharged by the exhaust passage, motor room's fluid communication of described exhaust passage and upright vacuum cleaner, described cyclone dust collecting unit comprises:
Cyclone body, described cyclone body comprise air inlet pipe that links to each other with inlet channel and the blast pipe that links to each other with the exhaust passage;
Removably the dust container that links to each other with described cyclone body is used for collecting the dust of separating from the air-swirl that contains dust in the cyclone body by centrifugal force; With
Be arranged on the grid component of the porch of the blast pipe in the cyclone body, be used for stopping that the dust of separating from the air that contains dust overflows by blast pipe,
Described grid component comprises:
The grid body, described grid system becomes to have the hollow circular cylinder of unlimited upper end;
The a plurality of air ducts that on the outer surface of grid body, form, described air duct and blast pipe fluid communication; With
Be arranged on the dust block piece of the second grid body portion bottom, this dust block piece stops the dust that exists in the ascending air of grid body, and make dust towards eddy current deflection, described dust block piece comprises: first element, this first element are made the conical butt that diameter increases gradually downwards; With second element, this second element extends vertically downward from described first element, and described second element has predetermined length.
15. cyclone dust collecting unit according to claim 14, wherein said a plurality of air ducts are made by a plurality of blades, and described a plurality of blades each other at a distance of the preset distance setting, make the fluid fluid passage of can flowing through along the outer surface of grid body.
16. cyclone dust collecting unit according to claim 14, wherein said dust block piece removably links to each other with the bottom of grid body by connector.
17. cyclone dust collecting unit according to claim 16, wherein said connector comprises screw, and described screw is fixed on the downside of described grid body from the downside of dust block piece.
18. cyclone dust collecting unit according to claim 14, second leement duration of wherein said dust block piece is between 10 to 30mm.
19. cyclone dust collecting unit according to claim 18, second leement duration of wherein said dust block piece is between 15 to 20mm.
CNB031384366A 2002-11-21 2003-06-02 Grillage assembl yand cyclone dust collector of suction cleaner having same Expired - Fee Related CN1262233C (en)

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KR10-2002-0072752A KR100468108B1 (en) 2002-11-21 2002-11-21 Grill assembly and cyclone dust collecting apparatus for vacuum cleaner having the grill assembly

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CN1262233C CN1262233C (en) 2006-07-05

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FR2847451A1 (en) 2004-05-28
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JP2004167206A (en) 2004-06-17
CN1262233C (en) 2006-07-05
CA2432372A1 (en) 2004-05-21
KR100468108B1 (en) 2005-01-26
CA2432372C (en) 2006-08-29
US20040098828A1 (en) 2004-05-27
KR20040044297A (en) 2004-05-28
NL1024424C2 (en) 2004-06-03
RU2257833C2 (en) 2005-08-10
GB0318828D0 (en) 2003-09-10
DE10328388A1 (en) 2004-06-09
GB2396098B (en) 2005-03-23
ITTO20030840A1 (en) 2004-05-22

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