EP2866952A1 - Hochdruckreinigungsgerät - Google Patents
HochdruckreinigungsgerätInfo
- Publication number
- EP2866952A1 EP2866952A1 EP12730568.8A EP12730568A EP2866952A1 EP 2866952 A1 EP2866952 A1 EP 2866952A1 EP 12730568 A EP12730568 A EP 12730568A EP 2866952 A1 EP2866952 A1 EP 2866952A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing part
- cleaning device
- pressure cleaning
- housing
- shells
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0211—Case coverings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0223—Electric motor pumps
Definitions
- the invention relates to a high-pressure cleaner with a motor pump unit comprising a motor and a motor-driven pump, the pump having a pump head with a first connection element for connecting a liquid supply line and with a second connection element for connecting a liquid discharge line, and with a housing, the surrounds the motor pump unit.
- a cleaning liquid preferably water
- the cleaning liquid can be supplied via a liquid supply line to the pump of the high-pressure cleaning device.
- the liquid supply line can be connected to a first connection element of the pump.
- the cleaning liquid is pressurized and the pressurized cleaning liquid can be discharged via a second connection element of the pump and a liquid discharge line, which can be connected to the second connection element.
- the two connection elements are located on a pump head of the pump, which is usually arranged on the side facing away from the motor of the pump.
- the motor and the pump together form a motor pump unit, which is surrounded by a housing of the high-pressure cleaner.
- a high-pressure cleaning device in which the housing is formed by two housing half-shells.
- the two housing half-shells define a horizontally oriented parting plane in the position of use of the high-pressure cleaning device.
- the motor pump unit can be inserted into a lower housing half shell, and then an upper housing half shell can be placed on the lower housing half shell. On its upper side, the upper housing half shell has a carrying handle. If maintenance work is to be carried out on the motor pump unit, it is necessary to remove the complete motor pump unit from the housing. Maintenance work is usually carried out on the pump, in particular on the pump head, since there are the most wear parts, which must be replaced if necessary.
- Object of the present invention is to develop a high-pressure cleaner of the generic type such that maintenance work on the pump head of the motor pump unit can be performed easily.
- the housing comprises a first housing part and a second housing part, wherein the first housing part has two half shells, which together facing away from the pump head
- the high-pressure cleaner according to the invention is characterized by a multi-part housing, wherein in addition to two half-shells which form a first housing part and a pump head facing away from the area of the motor pump unit, a second housing part is used, which is releasably connected to the first housing part and the one forms a trough-like receptacle. In the trough-like recording of the pump head of the motor pump unit protrudes.
- the first connection element and the second connection element of the pump head are thus at the level of the second housing part, which is at least may have an opening for the connection elements.
- the first connection element and / or the second connection element penetrates the at least one opening and protrudes outward beyond the second housing part.
- Maintenance work can be performed on the pump head of the high-pressure cleaning device according to the invention in a simple manner, for this it is only necessary to separate the detachable connection between the first housing part and the second housing part, so that subsequently the second housing part can be removed. After removing the second housing part, the pump head is immediately accessible for maintenance without it being necessary to detach the complete motor pump unit from the housing of the high-pressure cleaning device. For maintenance work on the pump head rather the first housing part can remain on the motor pump unit, a complete disassembly of the housing is not required.
- seals in the region of the pump head, in particular in the area of the first and the second connection element can be exchanged in a simple manner.
- the two housing shells of the first housing part define a separation plane oriented vertically in a position of use of the high-pressure cleaning device.
- a position of use of the high-pressure cleaning device here means a position of the high-pressure cleaning device which it occupies during operation of the high-pressure cleaning device.
- the provision of a vertical parting plane for the first housing part allows easy installation of the high-pressure cleaning device, since the two half-shells are attached to the side of the motor pump unit can completely surround this after mounting in the circumferential direction.
- the two half shells form an end wall of the housing, are arranged in the ventilation slots. Cooling air can be supplied to the motor pump unit via the ventilation slots.
- the two half-shells of the first housing part together form a carrying handle.
- the two half-shells of the first housing part together form a depression into which a switching element, for example a main switch of the high-pressure cleaning device, in particular a rotary switch, can be used. This results in a further simplification of the installation of the high-pressure cleaner.
- a switching element for example a main switch of the high-pressure cleaning device, in particular a rotary switch
- the motor pump unit is held in an advantageous embodiment of the invention via elastically deformable damping elements on the two half-shells of the first housing part.
- elastically deformable damping elements in particular mechanical vibrations of the motor pump unit can be damped.
- the two half-shells of the first housing part advantageously comprise recesses into which the elastically deformable damping elements can be inserted.
- the elastically deformable damping elements each surround a holding arm of the motor pump unit.
- the motor pump unit may, for example, have two, three or four retaining arms, which are distributed over the circumference of the motor pump unit and with their free end regions each immersed in an elastically deformable damping element, which is fixed in a recess of the half-shells.
- the bearing of the motor pump unit on the first housing part thus takes place via the retaining arms and the damping elements.
- the two half-shells of the first housing part are conveniently releasably connectable to each other.
- For releasable connection in particular screw can be used.
- the second housing part can form a support, for example a support foot, which receives the weight of the motor pump unit and is supported on a footprint on which the high-pressure cleaning device is turned off.
- the two half-shells of the first housing part each form a step which bears against an edge of the second housing part.
- the step is favorably directed inwards, so that the two half-shells each form a collar facing the second housing part, with which the two half-shells bear against the inside of the edge of the second housing part facing the first housing part.
- two rotatable wheels are mounted on the second housing part.
- the second housing part forms in such a configuration, a chassis of the high-pressure cleaner.
- the second housing part can be removed together with the wheels mounted thereon from the first housing part and the motor pump unit held thereon. It is advantageous if the two wheels are rotatably mounted on an axle which passes through the second housing part.
- the axis is preferably aligned perpendicular to a parting plane of the two half-shells.
- the trough-like receptacle thus takes on the one hand the pump head of the motor pump unit, on the other hand, it takes on the axis on which the two wheels are rotatably mounted.
- the high-pressure cleaning device comprises a substantially U-shaped push bar with two legs, which are connected to one another via a handle. To move along a bottom surface of the push bar can be detected by the user on the handle, which is connected via the two legs with the housing of the high-pressure cleaner. It is advantageous in this case if the two legs are each held on a bearing element which is arranged on a half-shell of the first housing part. In such an embodiment of the high-pressure cleaning device according to the invention, not only the motor pump unit is held on the two half-shells of the first housing part but also the two legs of the U-shaped push bar are mounted on the half shells via bearing elements.
- the bearing elements are conveniently integrally connected to the half shells.
- a half-shell forms in a preferred embodiment, together with a push-bar bearing element from a one-piece plastic molding.
- the second housing part has two openings, which are each aligned in alignment with a bearing element, wherein in each case one of the handles of the push handle is inserted into the openings. turned end portion of a leg is insertable. This allows a particularly compact design of the high-pressure cleaning device.
- the U-shaped push bar is conveniently slidably held on the housing so that it is between an inserted position in which the handle has a comparatively small distance from the housing, and an extended position in which the handle receives a relatively large distance from the housing and is displaceable.
- the bearing elements can be designed in the form of guide members, on each of which a leg of the push handle is slidably held. In the retracted position, the remote from the handle free ends of the two legs can dive into the openings of the second housing part, and in the extended position, the free ends of the legs can take a distance to the openings of the second housing part, in particular can be provided that the free ends of the legs are arranged in the extended position of the push bar at the level of the bearing elements.
- the legs are positionable in the region between the bearing elements and the openings of the second housing part on the outside of the housing at a distance from the housing.
- the legs are thus accessible to the user outside the housing of the high-pressure cleaner.
- FIG. 1 Show it : a first perspective view of a first embodiment of a high-pressure cleaning device according to the invention, wherein a push handle of the high-pressure cleaning device assumes an extended position; a second perspective view of the high pressure cleaning device of Figure 1, wherein the push handle occupies an inserted position; a perspective view of the high-pressure cleaning device of Figure 2, wherein a half-shell of a first housing part has been removed; a perspective view of a motor pump unit and a half-shell of a first housing part of the high-pressure cleaning device of Figure 2; a perspective view of the inside of the half-shell of Figure 4; a perspective view of the outside of the half-shell of Figure 4; a perspective view of a second housing part with wheels mounted thereon of the high-pressure cleaning device of Figure 2, and
- FIG. 8 shows a perspective illustration of a second embodiment of a high-pressure cleaning device according to the invention.
- FIGS. 1 to 7 schematically show a first advantageous embodiment of a high-pressure cleaning device 10 according to the invention in a position of use with a housing 12 which has a first housing part 14 and a second housing part 16.
- the housing 12 surrounds a motor pump unit 18 with an electric motor 20 and a pump 22 driven by the electric motor 20.
- the latter forms on its side remote from the electric motor 20 a pump head 24 with a first connecting element in the form a suction connection 26 and with a second connection element in the form of a pressure connection 28.
- a suction line preferably a suction hose, can be connected to the suction connection, so that the cleaning fluid, for example water, can be supplied to the pump 22 under pressure.
- a pressure line preferably a pressure hose can be connected, via which the set by the pump 22 under pressure cleaning fluid can be discharged.
- the first housing part 14 surrounds the motor pump unit 18 in the region of the electric motor 22 in the circumferential direction and forms on the second housing part 16 facing away from an upper end wall 30, in which a plurality of ventilation slots 32 are formed. Via the ventilation slots 32, the motor pump unit 18 cooling air can be supplied.
- the first housing part 14 comprises a first half shell 34 and a second half shell 36.
- the two half shells 34 and 36 surround a region of the motor pump unit 18 facing away from the pump head 24 in the circumferential direction and are configured substantially mirror-symmetrically with respect to one another. They define between them a vertically oriented parting plane 38 in which they meet with their edges facing each other and form a parting line 40 between them.
- the two half shells 34, 36 together form a carrying handle 44, to which a recess 46 connects in the direction of the upper end wall 30, in which a main switch in the form of a rotary Switch 48 is arranged.
- Within the housing of the rotary switch 48 is coupled via a pivot arm 50 and a subsequent to the pivot arm 50 switching rod 52 with a control electronics 54 of the motor pump unit 18. This becomes clear in particular from FIG.
- the motor pump unit 18 has four holding arms 56 which are arranged at an angle of 90 ° to one another and project radially outwards, each of which dipping into an elastically deformable damping element 58 which is positively received by an inside recess 60 of the half-shells 34, 36.
- the bearing of the motor pump unit 18 on the housing 12 thus takes place via the two half shells 34, 36 of the first housing part 14.
- the second housing part 16 forms a trough-shaped receptacle 62 with a bottom wall 64, two spaced-apart side walls 66, 68, a rear wall 70 and a front wall 72, which protrude in the direction of the first housing part 14 of the bottom wall 64 upwards.
- a plurality of ventilation slots 74 are formed and the front wall 72 has a first opening 76 and a second opening 78.
- the two side walls 66, 68 are facing each other in their end regions facing away from the bottom wall 64 and each have an opening 80 and 82 in these end regions.
- the bottom wall 64 forms a support leg 83, with which the high-pressure cleaning device can be parked on a footprint.
- the pump head 24 dips into the receptacle 62.
- the receptacle 62 is penetrated in the illustrated in Figures 1 to 7 the first embodiment of the high-pressure cleaning device according to the invention by an axis 84 which is aligned perpendicular to the parting plane 38 and protrudes beyond the side walls 66, 68 outwardly from the second housing part 16.
- the axle 84 carries a first impeller 86 and a second impeller 88 which are rotatably mounted on the axle 84.
- the second housing part 16 forms in combination with the axis 84 and the two wheels 86, 88 a chassis 90 of the high-pressure cleaning device 10.
- the second housing part 16 carries the first housing part 14 and the motor housing mounted on the first housing part 14.
- the two half-shells 34, 36 have facing the second housing part 16 each have an inwardly directed step 92, to which a collar 94 connects.
- the receptacle 62 of the second housing part 16 has on its upper side a peripheral edge 96 on which the two half-shells 34, 36 are seated with their steps 92.
- the collars 94 of the two half shells 34, 36 bear against the inside of the edge 96 and are screwed in these areas via connecting screws 98 with the second housing part 16.
- the weight of the first housing part 14 and the motor pump unit 18 mounted thereon are thus supported by the second housing part 16 via the steps 92.
- the two half shells 34, 36 each form a bearing element 100, 102 in the form of a guide channel 104.
- the guide channels 104 are aligned parallel to the carrying handle 44.
- a first leg 106 and a second leg 108 of a U-shaped push handle 110 is slidably held.
- Via a handle 112 the two legs 106, 108 are connected to each other.
- the push bar 110 can be moved back and forth between an inserted position shown in FIGS. 2 and 3 and an extended position shown in FIG. In the retracted position, the handle 112 takes a smaller distance to the housing 12 than in the pulled-out position.
- the half-shells 34, 35 are each covered by a cover 105, which forms a wing-like support 114 for a spray lance (not shown), which can be connected to the free end of a pressure hose.
- the second housing part 36 In alignment with the wing-like supports 114, the second housing part 36 each have a quiver-like receptacle 116 into which the spray lance with its free
- End area can be used.
- the two legs 106, 108 with their free ends remote from the handle 112 dip into the openings 80 and 82 of the second housing part 16.
- the legs 106, 108 are arranged at a distance from the housing 12. In this area, they are thus directly accessible to the user of the high-pressure cleaning device 10. This gives the user the option of tightening or pulling means, such as a drawstring, to be fixed to the legs 106, 108 in order to secure the high-pressure cleaning device 10 during transport on a footprint.
- the second housing part 16 can be separated from the first housing part 14 together with the wheels 86, 88 and the axle 84. For this it is only necessary to release the connecting screws 98. After removal of the second housing part 16 from the first housing part 14, the pump 22, in particular the pump head 24, the user directly accessible. Wear parts, such as seals, can thus be easily replaced.
- the motor pump unit 18 does not have to be completely separated from the housing 12 and also the push bar 110 can remain together with the covers 105 on the first housing part 14. Maintenance work is thus very easy on high-pressure cleaner 10.
- FIG. 8 shows a second advantageous embodiment of a high-pressure cleaning device according to the invention is shown, which is generally designated by the reference numeral 120.
- the high-pressure cleaning device 120 differs from the high-pressure cleaning device 10 only in that it has neither the push bar 110 with the two legs 106, 108 and the handle 112 nor the two wheels 86, 88 and the axis 84.
- the high-pressure cleaning device 120 is thus not designed in the form of a sack truck, which can be moved along a floor surface, but the high-pressure cleaning device 120 can be worn by the user on the carrying handle 44. It can be operated both in the upright position shown in Figure 8 as well as in a lying position.
- the high-pressure cleaning device 120 also has a housing 12 with a first housing part 14 and a second housing part 16, the first housing part 14 comprising two half shells 34, 36 surrounding the motor pump unit 18 in the area facing away from the pump head 24 and the one vertical separating plane 38 define.
- the second housing part 16 forms a trough-shaped receptacle into which the motor pump unit 18 with its pump head 24 dips.
- the second housing part 16 can be separated from the first housing part 14, without it being necessary to completely dismantle the housing 12.
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Vibration Prevention Devices (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/062768 WO2014000824A1 (de) | 2012-06-29 | 2012-06-29 | Hochdruckreinigungsgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2866952A1 true EP2866952A1 (de) | 2015-05-06 |
| EP2866952B1 EP2866952B1 (de) | 2018-11-28 |
Family
ID=46397294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12730568.8A Active EP2866952B1 (de) | 2012-06-29 | 2012-06-29 | Hochdruckreinigungsgerät |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2866952B1 (de) |
| CN (1) | CN104411418A (de) |
| DK (1) | DK2866952T3 (de) |
| RU (1) | RU2601932C2 (de) |
| WO (1) | WO2014000824A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CL2012000933A1 (es) | 2011-04-14 | 2014-07-25 | Harnischfeger Tech Inc | Un metodo y una pala de cable para la generacion de un trayecto ideal, comprende: un motor de oscilacion, un motor de izaje, un motor de avance, un cucharon para excavar y vaciar materiales y, posicionar la pala por medio de la operacion del motor de izaje, el motor de avance y el motor de oscilacion y; un controlador que incluye un modulo generador de un trayecto ideal. |
| DE102015117079A1 (de) * | 2015-10-07 | 2017-04-13 | Alfred Kärcher Gmbh & Co. Kg | Luftgekühltes Hochdruckreinigungsgerät |
| WO2017096740A1 (en) | 2015-12-09 | 2017-06-15 | Ac (Macao Commercial Offshore) Limited | Improved power washer with pulsing boost power mode |
| MX2018007783A (es) * | 2016-02-22 | 2019-09-06 | Tti Macao Commercial Offshore Ltd | Sistema de hidrolavadora modular, su metodo y kit. |
| RU2682536C2 (ru) * | 2016-10-22 | 2019-03-19 | Виктор Сергеевич Алёшин | Автономный моечный аппарат высокого давления |
| WO2018184700A1 (de) * | 2017-04-07 | 2018-10-11 | Alfred Kärcher SE & Co. KG | Luftgekühltes hochdruckreinigungsgerät |
| JP7158955B2 (ja) * | 2018-08-28 | 2022-10-24 | 株式会社マキタ | 高圧洗浄機 |
| EP3812053B1 (de) | 2019-10-24 | 2025-06-11 | Andreas Stihl AG & Co. KG | Hochdruckreiniger und verfahren zur montage eines hochdruckreinigers |
| DE102020133163A1 (de) * | 2020-12-11 | 2022-06-15 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| WO2023051928A1 (de) * | 2021-09-30 | 2023-04-06 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| DE102022103544A1 (de) * | 2022-02-15 | 2023-08-17 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| DE102022103546A1 (de) * | 2022-02-15 | 2023-08-17 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| DE102022107617A1 (de) * | 2022-03-30 | 2023-10-05 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| DE102022107616A1 (de) * | 2022-03-30 | 2023-10-05 | Alfred Kärcher SE & Co. KG | Hochdruckreinigungsgerät |
| DE102023104171A1 (de) | 2023-02-20 | 2024-08-22 | Alfred Kärcher SE & Co. KG | Luftgekühltes hochdruckreinigungsgerät |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3619326A1 (de) * | 1986-06-09 | 1987-12-10 | Josef Kraenzle | Pumpeneinheit |
| DE9100904U1 (de) | 1991-01-26 | 1991-04-18 | WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg | Tragbares Reinigungsgerät |
| DE4108775A1 (de) * | 1991-03-18 | 1992-09-24 | Kaercher Gmbh & Co Alfred | Hochdruckreinigungsgeraet |
| DE102005009311A1 (de) * | 2005-02-21 | 2006-08-24 | Alfred Kärcher Gmbh & Co. Kg | Hochdruckreinigungsgerät |
| WO2008124082A1 (en) * | 2007-04-03 | 2008-10-16 | Faip North America, Inc. | Improved pressure washer |
| CN102215986B (zh) * | 2008-11-14 | 2014-10-22 | 阿尔弗雷德·凯驰两合公司 | 高压清洁设备 |
| WO2011012151A1 (de) * | 2009-07-27 | 2011-02-03 | Alfred Kärcher Gmbh & Co. Kg | Hochdruckreinigungsgerät |
-
2012
- 2012-06-29 RU RU2015102564/12A patent/RU2601932C2/ru not_active IP Right Cessation
- 2012-06-29 CN CN201280074386.XA patent/CN104411418A/zh active Pending
- 2012-06-29 DK DK12730568.8T patent/DK2866952T3/da active
- 2012-06-29 WO PCT/EP2012/062768 patent/WO2014000824A1/de not_active Ceased
- 2012-06-29 EP EP12730568.8A patent/EP2866952B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014000824A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2601932C2 (ru) | 2016-11-10 |
| RU2015102564A (ru) | 2016-08-20 |
| WO2014000824A1 (de) | 2014-01-03 |
| DK2866952T3 (da) | 2019-03-04 |
| CN104411418A (zh) | 2015-03-11 |
| EP2866952B1 (de) | 2018-11-28 |
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