EP2424685A1 - Dampfreinigungsgerät - Google Patents
DampfreinigungsgerätInfo
- Publication number
- EP2424685A1 EP2424685A1 EP10714441A EP10714441A EP2424685A1 EP 2424685 A1 EP2424685 A1 EP 2424685A1 EP 10714441 A EP10714441 A EP 10714441A EP 10714441 A EP10714441 A EP 10714441A EP 2424685 A1 EP2424685 A1 EP 2424685A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- boiler
- steam
- steam cleaning
- support member
- cleaning appliance
- 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
- 238000013020 steam cleaning Methods 0.000 title claims abstract description 34
- 238000013016 damping Methods 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/24—Supporting, suspending, or setting arrangements, e.g. heat shielding
- F22B37/246—Supporting, suspending, or setting arrangements, e.g. heat shielding for steam generators of the reservoir type, e.g. nuclear steam generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
Definitions
- the invention relates to a steam cleaning device with a housing having an upper housing part and a lower housing part, between which an electrically heatable steam boiler is arranged for generating steam, which can be applied to a surface to be cleaned, wherein the steam boiler comprises a boiler shell and a boiler base, the are bolted together by connecting bolts, and wherein the steam boiler is supported on support members of the housing base.
- Such steam cleaning devices are used for cleaning a wide variety of surfaces, in particular for cleaning hard surfaces used. They include an electrically heatable steam boiler for evaporating a liquid cleaning agent. The generated steam can be applied to the surface to be cleaned, for example a bottom surface.
- the steam boiler has a considerable temperature during operation of the steam cleaner.
- the steam boiler is surrounded by the housing of the steam cleaner and is supported on support members of the housing base.
- Such a steam cleaning device is known from the utility model DE 200 Ol 650 Ul. It is proposed to arrange a mounting ring on the lower housing part, which is surrounded by four support elements.
- the steam boiler is supported by a sealing ring on the mounting ring of the housing base and is additionally clamped between two fixing bars, which are each bolted to two support elements of the housing base.
- bottom part ensures that the steam boiler can not inadvertently come loose from the lower part of the housing.
- this attachment is associated with considerable manufacturing and assembly costs.
- Object of the present invention is to develop a steam cleaning device of the type mentioned in such a way that the manufacturing and assembly costs for mounting the boiler can be reduced to the lower housing part.
- the steam boiler is held on support members on the support members of the housing base, wherein the support members each cooperate with a connecting screw through which the boiler shell is connected to the boiler base of the boiler.
- the connecting screws thus serve not only the detachable connection of the boiler shell with the boiler base, but at least some of the connecting screws also form connecting elements, via which the steam boiler is fixed to the lower housing part.
- the arranged between the connecting bolts and the support members supporting parts are made of a vibration-damping, thermally insulating material. This, on the one hand, ensures that the steam boiler thermally decoupled from the housing of the steam cleaner.
- the steam boiler is mounted vibration-damping on the housing base, so that mechanical vibrations of the housing base, as may occur, for example, when moving the steam cleaning device along a floor surface, are not fully transferred to the boiler. Damage to the boiler and thus the escape of hot steam is thus reliably avoided.
- the vibration or shock-absorbing property of the support members also has the advantage that even with a fall of the steam cleaning device from a certain height, the support of the steam boiler is ensured in the housing of the steam cleaning device.
- the holder of the boiler is not affected by the fall. Inertia forces that are exerted on the casing when the appliance impacts the floor from the steam boiler are dampened by the supporting components without being damaged.
- the vibration-damping, thermally insulating support members can each be connected to a connecting screw of the boiler and a support member of the housing base.
- a detachable connection is used.
- the connecting screws with the support member are pluggable connectable.
- a support member can be attached to a free end portion of a connecting screw. This makes it possible to further simplify the assembly of the steam boiler by not requiring the connecting screw in a
- the support elements of the housing base are pluggable connected to the support member. This makes it possible réellestecken the support members each directly on a support member of the housing base, without requiring the use of a tool is required.
- the supporting parts are configured as elastically deformable sleeves, in which on the one hand dipping the free end portion of a connecting screw and on the other hand, a pin-shaped end portion of a support member.
- the elastically deformable sleeves can each be attached to a free end region of the connecting screws and they can be plugged onto a pin-shaped support member of the housing base.
- the supporting parts are designed as hose pieces. This allows a particularly cost-effective production and assembly of the supporting parts.
- a tube made of an elastic plastic material can be extruded and cut to length. The thus obtained pieces of hose can then on the one hand to the free end of a Connecting screw and on the other hand plugged onto a pin-shaped support element.
- the vibration-damping, thermally insulating support members are made of an elastomer, for example of ethylene-propylene-diene rubber (EPDM).
- EPDM ethylene-propylene-diene rubber
- the boiler shell of the boiler has upper through-holes aligned with lower through-holes of the boiler base, and the connecting screws respectively pass through upper and lower through-holes, with at least some of the connecting screws having a screw shank over the underside of the edge projecting the lower through hole and dive with the protruding portion of its screw shaft in a support member, abuts on the upper end side of the edge of the lower through hole.
- the steam boiler is thus supported directly on the end faces of the support members, abut the edges of the lower through hole of the boiler at the upper end faces.
- the support parts in turn can be supported on the lower housing part, wherein in each case a support element is immersed in a support member.
- At least some of the support elements are rigidly connected to one another via a support wall formed on the lower housing part.
- the support wall forms in an advantageous embodiment of the invention, an annular wall, to which the support elements are integrally formed.
- the self-contained annular wall has a particularly high mechanical stability.
- the support elements are integrally formed on the annular wall. There is thus virtually no danger that the support elements will be damaged in the event of heavy mechanical stress on the steam cleaner.
- the support wall forms the side wall of a trough-shaped depression of the housing lower part into which the boiler lower part of the steam boiler dips while maintaining a distance between its vessel wall and the side wall of the trough-shaped depression.
- the trough-shaped depression thus not only serves for the mechanical stabilization of the support elements of the housing lower part, but also forms a thermal insulation element into which the lower boiler part of the steam boiler dips.
- the trough-shaped depression surrounds an electric heater arranged on the boiler lower part in the circumferential direction.
- the electric heater constitutes the area of the highest temperature steam boiler. This area is thermally insulated by the provision of the trough-shaped recess in a special way.
- thermally insulating support members are arranged in a particularly favorable embodiment of the invention between the boiler shell of the boiler and the upper housing part of the steam cleaning device at least one vibration damping, thermally insulating support member arranged.
- Such a configuration has the advantage that the steam boiler can be clamped by means of vibration-damping, thermally insulating support members between the upper housing part and the lower housing part of the steam cleaning device. In this case, identically designed supporting parts can be used. This facilitates the assembly of the steam cleaner and reduces its manufacturing cost.
- At least one holding part is arranged on the upper part of the steam boiler, which can be plugged in with a supporting part.
- the steam boiler can be releasably connected to the upper housing part in a simple manner.
- the at least one holding part is designed as a retaining pin on which a support member is attached.
- the retaining pin can protrude from the top of the boiler shell upwards.
- On the pin a support member can be attached.
- the support member it has already been noted, for example, be designed as an elastically deformable sleeve, in particular as a piece of hose, which is made for example of an elastomer, preferably made of EPDM.
- Figure 1 a schematic exploded view of a steam cleaning device according to the invention
- FIG. 2 a partial sectional view of the steam cleaning device from FIG. 1.
- a steam cleaning device 10 is shown schematically with a two-part housing comprising a housing lower part 12 and a housing upper part 14.
- a housing lower part 12 To the lower housing part 12 wheel receivers 16, 18 are formed on opposite outer sides, on each of which an impeller can be rotatably mounted.
- an impeller can be rotatably mounted at the bottom of the housing base 12, at a distance from the two wheel receivers 16, 18, a steering roller can be fixed.
- castors are known in the art. It is therefore not shown in the drawing to achieve a better overview.
- the upper housing part 14 can be placed on a peripheral edge 20 of the housing lower part 12.
- the upper housing part 14 forms a carrying handle 22, which can be encompassed by the user for carrying the steam cleaner 10.
- the lower housing part 12 and the upper housing part 14 receive an electrically heatable steam boiler 24 between them.
- This includes a boiler base 26 and a boiler shell 28, which are screwed together via a plurality of similar connecting screws 30.
- an electric heating device in the form of a heating loop 32 is fixed to the boiler base 26, with which the steam boiler 24 can be heated.
- the steam boiler 24 receives during the operation of the steam cleaning device 10, a liquid detergent, such as tap water, which in
- Steam boiler 24 is vaporized and then can be discharged via known per se and therefore not shown in the drawing to obtain a better overview connection lines to a steam delivery device, with the aid of the steam on a surface to be cleaned, for example, a bottom surface can be addressed.
- the tube pieces 34 are each attached to a free end portion 36 of a connecting screw 30 which passes through an upper through hole 38 of the boiler shell 28 and a lower through hole 40 of the boiler base 26, wherein the free end portion 36 of the connecting screw 30 via the lower edge 42 of the lower through hole 40th protrudes and the connecting screw 30 is seated with a screw head 44 on the upper edge 46 of the upper through hole 38.
- the lower edge 42 of the lower through hole 40 With the lower edge 42 of the lower through hole 40, the lower boiler part 26 is supported on the upper end face 48 of the hose piece 34, which is placed on the free end portion 36 of the connecting screw 30.
- the hose piece 34 With its lower end face 50 facing away from the connecting screw 30, the hose piece 34 is supported on a radially outwardly pointing step 52 of a support element 54 of the housing lower part 12. A pin-shaped end portion 56 of the support member 54 is immersed in the tube piece 54 a.
- An additional hose piece 34 is arranged between the upper housing part 14 and the upper boiler part 28.
- the boiler shell 28 has a vertically upwardly projecting retaining pin 58, on which a hose piece 34 is plugged, which dips with its boiler upper part 28 facing away from the upper end portion in an inner side into the housing upper part 14 receptacle 60, the upper end of the on the Holding pin 58 plugged hose piece 34 circumferentially surrounds in the circumferential direction.
- the support elements 54 with the pin-shaped end portions 56 are integrally formed on an annular, self-contained side wall 62 of a trough-shaped recess 64 of the housing base 12.
- the lower boiler part 26 dips into the trough-shaped depression 64, wherein the side wall 62 of the trough-shaped depression 64 surrounds the heating device in the form of the heating loop 32 in the circumferential direction.
- the wall 26 of the housing lower part 26 in this case takes a distance from the side wall 62 and also between the bottom of the boiler 24 and the bottom of the recess is at a distance.
- the side wall 62 supports the thermal insulation of the boiler 24 from the lower housing part 12.
- the side wall 24 forms a mechanical stabilization of the support members 54, in which the steam boiler 24 is supported via the hose pieces 34.
- the lower housing part 12 can be aligned with the steam boiler 24 in such a way that the journal-shaped end sections 56 of the support elements 54 are aligned with the hose sections 34, so that they can subsequently be slipped onto the journal-shaped end sections 56.
- the upper housing part 14 can now be placed on the lower housing part 12, wherein previously a piece of hose 34 has been placed on the upper side of the steam boiler 24 projecting retaining pin 58. This hose piece 34 dives after placing the upper housing part 14 on the lower housing part 12 in the annular receptacle 60 a.
- the steam boiler 24 is then reliably held between the lower housing part 12 and the upper housing part 14, wherein it is thermally and in terms of mechanical vibrations of the lower housing part 12 and the upper housing part 14 is practically decoupled.
- Housing base 12 and the housing upper part 14 also done in a different order. It can namely be provided that in a first assembly Step a piece of hose 34 is placed on the retaining pin 58 and that then the steam boiler 24 is inserted into the upper housing part 14. Subsequently, further tube pieces 34 can then be placed on the free end portions 36 of some of the connecting screws 30, and in a final assembly step then the lower housing part 12 can be connected to the upper housing part 14, wherein the pin-shaped end portions 56 of the support members 54 aligned with the tube pieces 34 be plugged onto the end portions 36 of the connecting screws 30.
- the steam cleaning device 10 according to the invention is thus characterized by a very simple installation and at the same time it is ensured that the steam boiler 24 is reliably held between the lower housing part 12 and the upper housing part 14 under most effective thermal and vibration decoupling.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202009006788U DE202009006788U1 (de) | 2009-04-30 | 2009-04-30 | Dampfreinigungsgerät |
PCT/EP2010/054026 WO2010124918A1 (de) | 2009-04-30 | 2010-03-26 | Dampfreinigungsgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2424685A1 true EP2424685A1 (de) | 2012-03-07 |
EP2424685B1 EP2424685B1 (de) | 2013-08-14 |
Family
ID=40984462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10714441.2A Active EP2424685B1 (de) | 2009-04-30 | 2010-03-26 | Dampfreinigungsgerät |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2424685B1 (de) |
JP (1) | JP5400951B2 (de) |
CN (1) | CN102405112B (de) |
DE (1) | DE202009006788U1 (de) |
WO (1) | WO2010124918A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014010673U1 (de) | 2014-06-25 | 2016-04-06 | Alfred Kärcher Gmbh & Co. Kg | Hand-Dampfgerät |
EP3160660B1 (de) * | 2014-06-25 | 2023-12-20 | Alfred Kärcher SE & Co. KG | Hand-dampfgerät |
DE202014010679U1 (de) | 2014-06-25 | 2016-04-08 | Alfred Kärcher Gmbh & Co. Kg | Hand-Dampfgerät |
DE202014010671U1 (de) | 2014-06-25 | 2016-04-06 | Alfred Kärcher Gmbh & Co. Kg | Hand-Dampfgerät |
JP6921226B2 (ja) * | 2017-04-07 | 2021-08-18 | アルフレッド ケルヒャー エスエー ウント コンパニー カーゲー | 空冷式高圧洗浄装置 |
CN108906716B (zh) * | 2018-05-31 | 2021-12-31 | 四川奥恒环保科技有限公司 | 一种油渍清洗器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845557A (en) * | 1973-06-28 | 1974-11-05 | Mcculloch Corp | Chain saw anti-vibration system |
GB1582148A (en) * | 1976-05-12 | 1980-12-31 | Deere & Co | Vibration isolation assembly |
US4067531A (en) * | 1976-07-22 | 1978-01-10 | Derre & Company | Vibration isolation and sealing gasket |
US4066058A (en) * | 1976-05-12 | 1978-01-03 | Deere & Company | Vibration isolation system |
DE3147303A1 (de) * | 1981-11-28 | 1983-06-01 | Franz 7080 Aalen Zander | Stromerzeugervorrichtung fuer kuehlmaschinen an containern |
US5131619A (en) * | 1988-03-09 | 1992-07-21 | Digital Equipment Corporation | Vibration isolating mount |
US5063609A (en) * | 1989-10-11 | 1991-11-05 | Applied Materials, Inc. | Steam generator |
CH686976A5 (de) * | 1993-03-23 | 1996-08-15 | Condair Ag | Verdampfungsvorrichtung fuer einen Elektrodenverdampfer. |
US5471556A (en) * | 1993-07-16 | 1995-11-28 | Friedheim; Max | Superheated vapor generator and control system and method |
DE20001650U1 (de) * | 2000-01-31 | 2000-03-23 | Chen, Chung-Ming, Taipeh/T'ai-pei | Dampfabgebendes Reinigungsgerät |
GB2377365A (en) * | 2001-07-10 | 2003-01-15 | Lambert Wu | Vapour cleaner, especially steam cleaner, with valve means for vapour release |
JP2006052281A (ja) * | 2004-08-11 | 2006-02-23 | Dow Corning Toray Co Ltd | 防振・免振用のゴム組成物およびその調製方法、並びに、防振・免振用ゴム製品およびその製造方法 |
US20080282995A1 (en) * | 2005-07-28 | 2008-11-20 | Koninklijke Philips Electronics N.V. | Assembly of a Housing and a Steam Generator Device |
CN200955845Y (zh) * | 2006-08-31 | 2007-10-03 | 侯栋才 | 窗式空调器减震降噪装置 |
-
2009
- 2009-04-30 DE DE202009006788U patent/DE202009006788U1/de not_active Expired - Lifetime
-
2010
- 2010-03-26 JP JP2012507661A patent/JP5400951B2/ja active Active
- 2010-03-26 CN CN201080017428.7A patent/CN102405112B/zh active Active
- 2010-03-26 EP EP10714441.2A patent/EP2424685B1/de active Active
- 2010-03-26 WO PCT/EP2010/054026 patent/WO2010124918A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010124918A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102405112B (zh) | 2014-01-01 |
JP2012525558A (ja) | 2012-10-22 |
CN102405112A (zh) | 2012-04-04 |
EP2424685B1 (de) | 2013-08-14 |
DE202009006788U1 (de) | 2009-08-20 |
JP5400951B2 (ja) | 2014-01-29 |
WO2010124918A1 (de) | 2010-11-04 |
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