CN101258997A - Nozzle for floor vacuum cleaner - Google Patents
Nozzle for floor vacuum cleaner Download PDFInfo
- Publication number
- CN101258997A CN101258997A CNA200810083245XA CN200810083245A CN101258997A CN 101258997 A CN101258997 A CN 101258997A CN A200810083245X A CNA200810083245X A CN A200810083245XA CN 200810083245 A CN200810083245 A CN 200810083245A CN 101258997 A CN101258997 A CN 101258997A
- Authority
- CN
- China
- Prior art keywords
- suction nozzle
- sealing
- air guide
- guide path
- external lug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 239000000428 dust Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000012815 thermoplastic material Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details 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
- A47L9/02—Nozzles
Abstract
The invention relates to a nozzle used in a floor vacuum dust collector which includes a first part of an air guide chunnel. The first part is movably connected with a second part of the air guide chunnel with rotary method, one end of the first part of the air guide chunnel limits an exterior joint member, an inner joint member of the second part of the air guide chunnel is inserted into the exterior joint member for moving on a rotary axes, and the exterior joint member and the inner joint member are sealed through a flexible sealing lip. All sealed lips provided between the first and second parts of the air guide chunnel forms on the exterior joint member and encloses exterior surface of the inner joint member at least partly. In use process of the nozzle, free end of the seal lip is shocked by environment pressure, so leans against exterior surface of the inner joint member for providing seal. The first and second parts of the air guide chunnel can be designed, for example, a joint member of a casting chunnel and the nozzle.
Description
Technical field
The present invention relates to be used for the suction nozzle of floor vacuum cleaner, the first that comprises air guide path, this first movably is connected to the second portion of air guide path in rotatable mode, wherein an end of the first of air guide path defines the external lug part, insert the internal connection spare of the second portion of air guide path therein, so that can be in the rotating shaft Above-the-line, and wherein outside and internal connection spare passes through the flexible sealing lip seal.
Background technology
Being used for the suction nozzle of floor vacuum cleaner, is very important at the excellent sealing that forms between each assembly of air flue, on the one hand for fear of irritating airborne noise, and negative pressure and the good suction performance in order to realize on the other hand.The particularly important is, when this suction nozzle is used for floor vacuum cleaner, improve energy efficiency by the share that reduces secondary air.Within the scope of the invention, to refer to when suction operation be not to enter by the inlet hole on the suction nozzle downside but by the air that crack and gap are infiltrated, therefore can not help the cleaning of floor area to term " secondary air ".
The independent seal of known in actual applications use, felt rug for example is so that the sealing movable piece.Yet above-mentioned design is owing to the cost reason is disadvantageous, because must provide and install add-on assemble.
Having the above-mentioned suction nozzle that is used for floor vacuum cleaner of introducing feature can know from DE3009648A1.This known suction nozzle is to be designed to the twin adapter suction nozzle, and the rear portion connector that wherein has internal connection spare inserts in the external lug part that is formed by shell channel.In addition, on shell channel, further provide and had being articulated and connected of the base plate that to fascinate.Be articulated and connected in order to seal this, the elastic packing lip is arranged on the internal connection spare in all cases, and the sealing lip extends against the flow direction of suction air.Utilize this design, any deviation of size of components can compensate to a certain extent by the elasticity of the structural pre-tensioning of sealing lip and the material that uses, yet, must guarantee the simple and easy of good sealing and joint operation simultaneously.In the zone that is articulated and connected, the sealing lip of attenuate is arranged on inside and against the flow direction of suction air gradually, thereby suction air blows the tip at them.Because in the negative pressure of air flue inside, inside masterpiece is used on the sealing lip, thereby can form air gap between sealing lip and related sealing surface, secondary air can enter suction nozzle by this air gap.
In addition, from disclosed DE 19624360B4, learn, provide flexible hose part minimizing the secondary air share, being articulated and connected of this flexible hose part bridge joint suction nozzle.Though confirmed to arrange the success of flexible hose part in practice, yet, because flexible pipe partly is to provide as independent parts, therefore bring considerable ancillary cost.
Summary of the invention
Under this background, the purpose of this invention is to provide a kind of suction nozzle that is used for floor vacuum cleaner that at least one is articulated and connected that has, the excellent sealing effect that it provides the opposing secondary air on the one hand brings economic production on the other hand.
For the suction nozzle that is used for floor vacuum cleaner with feature of in introduction, describing, according to the present invention, described purpose is by according to the realization of getting off: be used for providing between first and second parts of air guide path all sealing lips of sealing to be formed on the external lug part and surround the outer surface of internal connection spare at least in part, wherein, in the use of suction nozzle, thereby the free end of sealing lip is impacted by environmental pressure to be leaned against on the outer surface of internal connection spare, and therefore sealing is provided.Correspondingly, the present invention relates in suction nozzle basically along the design of the adapter piece of air flue.At first, the accurate layout that is articulated and connected and the further design of suction nozzle are without limits.For example, can be chosen in the design of connection that two of suction nozzle provide the related part of air guide path on being articulated and connected according to the present invention in principle.
The free end of the sealing lip that stretches out from the first of air guide path is freely in their outside and is directly to be exposed to environmental pressure, therefore when using suction nozzle, because the sealing lip as a result of negative pressure is inhaled into and is compressed against on the outer surface of internal connection spare in the air guide path each several part, and sealing is provided thus.Although in the design of prior art, sealing lip is owing to the negative pressure of suction nozzle inside is removed, and the wearing and tearing of sealing lip directly cause the secondary air share to increase, but according to design of the present invention, because swabbing action is on the sealing lip and it is pressed against on the internal connection spare outer surface, because described sealing lip is flexible, wearing and tearing can compensate to a certain extent, have therefore improved according to the life-span of suction nozzle of the present invention.
Be provided with simply and realize simultaneously good sealing for what make sealing lip, in preferred embodiment of the present invention, each comprises rectangular cross section external lug part and internal connection spare, and the sealing lip that wherein is formed on the external lug part leans against on the outer surface of upper and exterior side surface of internal connection spare at least.
In order to connect two parts of air guide path, can provide pivot pin in the present invention.In order also to guarantee good sealing on the opening being used for the passing of pivot pin of operated by rotary motion at the adapter piece lower area, internal connection spare can comprise the continuous sleeve that holds pivot pin, and sleeve is by one of them sealing lip sealing that is formed on the external lug part.
Described sealing lip begins preferably to have to the free end of sealing lip the length of 4mm to 10mm from the external lug part, particularly preferably is 5mm to 7mm, can be made by the synthetic thermoplastic material in a kind of simple especially mode.Preferably the external lug part is made by identical synthetic thermoplastic material with the sealing lip that forms thereon, polypropylene for example, wherein the sealing lip that extends continuously from the external lug part can be without any restrictedly directly making the process of the first of molded air guide path, and perhaps they can connect after a while again.
In the scope of further embodiment of the present invention, the first of air guide path forms shell channel, and the second portion of air guide path forms the rear portion connector of suction nozzle to be used for that suction nozzle is connected to suction line or motor shell.In the scope of this embodiment, when suction operation, suction air enters suction nozzle by suction inlet on the suction nozzle downside and suction inlet opening, and via shell channel be fed to suction air flow leave suction nozzle the connector of process.
Although the further design of suction nozzle without limits, the suction nozzle in the scope of the preferred embodiments of the present invention is static suction nozzle.According to the present invention, term " static suction nozzle " refers to and does not comprise for example suction nozzle of brush roll of any driving cleaning device.Although with regard to non-static suction nozzle, the performance of cleaning is determined fatefully by the drive-type scavenge unit, but suction nozzle for static state, except optionally on the suction nozzle base plate, providing brush, lip or screw thread to remove the bar, described clean-up performance is determined fatefully by effective suction air flow and by the air-flow of suction inlet, is therefore prevented particularly importantly that in the suction nozzle of static state secondary air from entering.
In the scope of preferred further embodiment, suction nozzle is to be designed to the twin adapter suction nozzle.In this arrangement, except being articulated and connected between shell channel and the connector, front end at shell channel can form the joint receiving element, the coupling part that is formed with seal convexity on the edge is maintained in this joint receiving element, wherein the coupling part is rigidly connected to the base plate that can fascinate with respect to shell channel, perhaps is rigidly connected to the dust collecter that can fascinate with respect to shell channel.Connector can be used as independent parts and is connected to base plate or dust collecter, and perhaps it can be integrally formed on base plate or the dust collecter.To arrange different modes with the flat sealing lip that leans against on the related sealing surface, the angle between the sealing projection of sealing surface that is limited by the joint receiving element and connector is bigger, preferably 40 ° to 140 °, particularly preferably is 60 ° to 120 °.Particularly when only needing smaller turning angle and/or when the each several part of sealing projection and related distance hour of fascinating between the axis, between sealing projection and joint receiving element, can realize sufficient sealing effectiveness.In the scope of described embodiment, the sealing projection can be extended and not interruption around circumference on the outer surface of coupling part, but with regard to the layout of flexible sealing lip, generally must keep little gap between each lip.
Description of drawings
Next, explain the present invention with reference to the accompanying drawing that has only shown an one exemplary embodiment.What show among the following figure is:
Fig. 1 is the suction nozzle that is used for floor vacuum cleaner according to of the present invention;
Fig. 2 a-2d is A, the B of Fig. 1, the detail view of C, D;
Fig. 3 is the profilograph along the line E-E of Fig. 1.
The specific embodiment
Fig. 1 has shown the suction nozzle 1 that is used for floor vacuum cleaner according to of the present invention, wherein shell channel 2 has formed the first of air guide path, and the rear portion connector 3 that has a rotatable suction line receiving element 4 has formed the second portion of air guide path.The rear end of shell channel 2 comprises external lug part 5, and the internal connection spare 6 of connector 3 is inserted in the external lug part 5, so that can be movable on the rotation of being determined by pivot pin 78.Shown in the detail view of Fig. 2 a and 2b, external lug part 5 and internal connection spare 6 are by 9 sealings of flexible sealing lip, and sealing lip 9 is formed on the external lug part 5 and surrounds outer surface 10a, 10b, the 10c of internal connection spare 6.The end at suction nozzle 1 rear portion is promptly pointed in the end of sealing lip 9, is directly to be exposed to environmental pressure freely and therefore.In the use of suction nozzle 1, sealing lip 9 is sucked by the negative pressure in the suction nozzle 1, so that they lean against on outer surface 10a, 10b, the 10c of internal connection spare 6, thereby provides sealing.Can find out that by comparison external lug part 5 and internal connection spare 6 comprise approximate rectangular cross section separately to Fig. 1 and Fig. 3.Exterior side surface 10a and the outer surface of upper 10b and the lower external face 10c of sealing lip 9 contact internal connection spares 6, wherein lower external face 10c is formed by sleeve 11, and sleeve 11 extends the direction of operating that crosses suction nozzle 1 in the horizontal direction, and this sleeve 11 is admitted pivot pin 7.The free-ended length l to them of sealing lip 9 is 4mm to 10mm, 5mm to 7mm preferably, and described sealing lip 9 is made of the synthetic thermoplastic material identical with the external lug part 5 of shell channel 2.For example, polypropylene is the synthetic thermoplastic material who is fit to.
Suction nozzle shown in the example embodiment 1 is designed to the twin adapter suction nozzle, wherein, except at shell channel 2 with being articulated and connected between the connector 3 of shell channel 2 front ends, also be formed with joint receiving element 12, on the edge, have the coupling part 13 that seals projection 14 and be maintained in this joint receiving element 12.Coupling part 13 is fixed on the dust collecter 15 that can fascinate with respect to shell channel 2 by screw arrangement, and the sealing arrangement between coupling part 13 and shell channel 2 is shown in Fig. 2 c and 2d.Sealing projection 14 is arranged on the outer surface of coupling part 13, from but without any interrupt around circumference; Wherein, described sealing projection 14 is approximately the setting of α ground, right angle on the sealing surface 16 that is limited by joint receiving element 12.Although the zone of fascinating between connector 3 and shell channel 2 surpasses 50 °, in the zone of fascinating that only provides between dust collecter 15 and the shell channel 2 on the rotation axis 17 that leaning forward less than 20 °.Because except the zone of fascinating smaller between dust collecter 15 and the shell channel 2, respectively and between sealing top part of projection 14 and the bottom part is short apart from r1, r2 in the rotation axis 17 that leans forward, so the sealing projection 14 on the edge provides good sealing effectiveness generally.With regard to sealing, because suction nozzle 1 is very wear-resistant, so suction nozzle 1 is very superior, thereby even also keeps good suction characteristic at the long-term back suction nozzle 1 that uses.
Shown suction nozzle 1 is designed to general floor brush, and it is included in suction inlet 18 and telescopic brush ring 19 on dust collecter 15 bottom sides.In order to guarantee to be easy to guide suction nozzle 1, sidepiece roller 20 is arranged on the rear portion of described suction nozzle.
Claims (9)
1. the suction nozzle that is used for floor vacuum cleaner, it comprises the first of air guide path, this first movably is connected to the second portion of air guide path in rotatable mode, wherein an end of the first of air guide path defines external lug part (5), the internal connection spare of the second portion of air guide path (6) is inserted in this external lug part, so that it is movable to go up at rotation (8), and external lug part and internal connection spare are by flexible sealing lip (9) sealing, it is characterized in that: be used between first and second parts of air guide path, providing all sealing lips (9) of sealing to be formed on the outer surface (10a that internal connection spare (6) was gone up and surrounded at least in part to external lug part (5), 10b, 10c), wherein, in the use of suction nozzle (1), the free end of sealing lip (9) is impacted by environmental pressure, thereby be resisted against the outer surface (10a of internal connection spare (6), 10b, 10c), so that sealing is provided.
2. suction nozzle according to claim 1, it is characterized in that: external lug part (5) and internal connection spare (6) comprise approximate rectangular cross section separately, and the sealing lip (9) that wherein is formed on the external lug part (5) leans against on the outer surface of upper (10a) and exterior side surface (10b) of internal connection spare (6) at least.
3. suction nozzle according to claim 1 and 2, it is characterized in that: internal connection spare (6) comprises the continuous sleeve (11) that is used to admit pivot pin (7), the first of air guide path movably is connected to the second portion of air guide path by this pivot pin in rotatable mode, and its middle sleeve (11) is by being formed into one of them sealing lip (9) sealing on the external lug part (5).
4. according to any one described suction nozzle in the claim 1 to 3, it is characterized in that: external lug part (5) is made by identical synthetic thermoplastic material with the sealing lip (9) on being formed into the external lug part.
5. according to any one described suction nozzle in the claim 1 to 4, it is characterized in that: sealing lip (9) is 4mm to 10mm, preferably 5mm to 7mm from external lug part (5) to the free-ended length of sealing lip (l).
6. according to any one described suction nozzle in the claim 1 to 5, it is characterized in that: the first of air guide path forms shell channel (2), and the second portion of air guide path is formed for suction nozzle (1) is connected to the rear portion connector (3) of suction line or motor shell.
7. suction nozzle according to claim 6, it is characterized in that: suction nozzle (1) is designed to the twin adapter suction nozzle, wherein, except being articulated and connected between shell channel (2) and the connector (3), front end at shell channel (2) has formed joint receiving element (12), the coupling part (13) that is formed with sealing projection (14) on the edge is maintained in this joint receiving element, and wherein, coupling part (13) is rigidly connected to the base plate that can fascinate with respect to shell channel (2), perhaps is rigidly connected to the dust collecter (15) that can fascinate with respect to shell channel (2).
8. suction nozzle according to claim 7 is characterized in that: the angle (α) between sealing surface (16) that is limited by joint receiving element (12) and sealing projection (14) is 40 ° to 140 °, preferably 60 ° to 120 °.
9. according to claim 7 or 8 described suction nozzles, it is characterized in that: the sealing projection (14) of extending around circumference on the outer surface of coupling part (13) is not have to interrupt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710010517 DE102007010517B4 (en) | 2007-03-05 | 2007-03-05 | Nozzle for a cylinder vacuum cleaner |
| DE102007010517.9 | 2007-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101258997A true CN101258997A (en) | 2008-09-10 |
| CN101258997B CN101258997B (en) | 2010-08-04 |
Family
ID=39473784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810083245XA Active CN101258997B (en) | 2007-03-05 | 2008-03-04 | Nozzle for floor vacuum cleaner |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1967114B1 (en) |
| CN (1) | CN101258997B (en) |
| DE (1) | DE102007010517B4 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429609A (en) * | 2011-07-05 | 2012-05-02 | 郑恬晨 | Dust collector and connecting mechanism thereof |
| CN105747992A (en) * | 2015-01-07 | 2016-07-13 | 威赛有限公司 | Floor nozzle for a vacuum cleaner |
| CN107260065A (en) * | 2016-03-31 | 2017-10-20 | 新埃莫斯欧洲有限责任公司 | Dust collecter with improved suction channel |
| CN112545364A (en) * | 2019-09-26 | 2021-03-26 | 德国福维克控股公司 | Tip cartridge, system including tip cartridge, and suction cleaning apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010043515B4 (en) * | 2010-11-05 | 2014-10-16 | BSH Bosch und Siemens Hausgeräte GmbH | Suction nozzle arrangement and vacuum cleaner |
| GB2532961B (en) * | 2014-12-02 | 2017-03-22 | Dyson Technology Ltd | Floor tool for a vacuum cleaner |
| EP3536209A1 (en) * | 2018-03-05 | 2019-09-11 | Koninklijke Philips N.V. | Vacuum cleaner nozzle |
| DE102018126367A1 (en) * | 2018-10-23 | 2020-04-23 | Wessel-Werk Gmbh | Vacuum cleaner floor nozzle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2806260A1 (en) * | 1978-02-15 | 1979-08-23 | Miele & Cie | VACUUM CLEANER MOUTH PIECE WITH RETRACTABLE AND EXTENDABLE BRUSH WREATH |
| FR2421313A1 (en) | 1978-03-31 | 1979-10-26 | Wessel Hans | Self-sealing flexible tube connection for vacuum cleaner - has integral lip seal interrupted to provide grooves which improve seating |
| DE3009648C2 (en) * | 1980-03-13 | 1983-03-17 | Hans 5226 Reichshof Wessel | Vacuum cleaner nozzle with a connection element and a sliding sole |
| DE3708503A1 (en) | 1986-04-01 | 1987-10-08 | Siemens Ag | Vacuum cleaner mouthpiece |
| DE19624360B4 (en) * | 1996-06-19 | 2005-05-12 | Wessel-Werk Gmbh | Suction head on a vacuum cleaner |
| JP3457529B2 (en) * | 1998-02-25 | 2003-10-20 | シャープ株式会社 | Suction port for vacuum cleaner |
| DE10111867A1 (en) * | 2001-03-13 | 2002-09-19 | Vorwerk Co Interholding | Tilting joint formation of a vacuum cleaner suction channel |
| EP1618822A1 (en) * | 2004-07-17 | 2006-01-25 | Wessel-Werk GmbH & Co. KG | Brush attachment for domestic suction cleaner |
-
2007
- 2007-03-05 DE DE200710010517 patent/DE102007010517B4/en not_active Expired - Fee Related
-
2008
- 2008-03-01 EP EP08003854.0A patent/EP1967114B1/en active Active
- 2008-03-04 CN CN200810083245XA patent/CN101258997B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429609A (en) * | 2011-07-05 | 2012-05-02 | 郑恬晨 | Dust collector and connecting mechanism thereof |
| CN105747992A (en) * | 2015-01-07 | 2016-07-13 | 威赛有限公司 | Floor nozzle for a vacuum cleaner |
| CN105747992B (en) * | 2015-01-07 | 2019-08-02 | 威赛有限公司 | Floor ozzle for vacuum cleaner |
| CN107260065A (en) * | 2016-03-31 | 2017-10-20 | 新埃莫斯欧洲有限责任公司 | Dust collecter with improved suction channel |
| CN107260065B (en) * | 2016-03-31 | 2021-09-14 | 新埃莫斯欧洲有限责任公司 | Suction head with improved suction channel |
| CN112545364A (en) * | 2019-09-26 | 2021-03-26 | 德国福维克控股公司 | Tip cartridge, system including tip cartridge, and suction cleaning apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1967114A2 (en) | 2008-09-10 |
| EP1967114A3 (en) | 2011-04-06 |
| DE102007010517A1 (en) | 2008-09-11 |
| EP1967114B1 (en) | 2017-05-10 |
| CN101258997B (en) | 2010-08-04 |
| DE102007010517B4 (en) | 2013-04-11 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |