EP1698400A1 - Ecran anti-éclaboussures d'un appareil pour le nettoyage haute pression - Google Patents

Ecran anti-éclaboussures d'un appareil pour le nettoyage haute pression Download PDF

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Publication number
EP1698400A1
EP1698400A1 EP06001089A EP06001089A EP1698400A1 EP 1698400 A1 EP1698400 A1 EP 1698400A1 EP 06001089 A EP06001089 A EP 06001089A EP 06001089 A EP06001089 A EP 06001089A EP 1698400 A1 EP1698400 A1 EP 1698400A1
Authority
EP
European Patent Office
Prior art keywords
support plate
protection device
splash guard
splash
connecting part
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.)
Withdrawn
Application number
EP06001089A
Other languages
German (de)
English (en)
Inventor
Hendrik Dr. Rust
Matthias Dr. Hornemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP1698400A1 publication Critical patent/EP1698400A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/28—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with integral means for shielding the discharged liquid or other fluent material, e.g. to limit area of spray; with integral means for catching drips or collecting surplus liquid or other fluent material
    • 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

Definitions

  • the invention relates to a splash guard for the outlet of the jet pipe of a high-pressure cleaner with a support plate having a through hole for passing the jet pipe outlet and carries a splash guard of flexible splash guard elements.
  • the dispensing of cleaning fluid which has been pressurized by a high-pressure cleaner, usually takes place via a high-pressure line, which carries a jet pipe at its free end. Starting from the outlet of the jet pipe, the cleaning liquid jet strikes the surface to be cleaned, with the impinging liquid splashing in different directions from the surface.
  • a splash guard is proposed in DE 296 23 235 U1 with a plate-shaped support plate on the outer edge of a splash guard made of flexible bristles is held and having a through hole for passing the jet pipe outlet.
  • the splash guard formed from bristles has the shape of a truncated cone and forms a flexible screen which absorbs backwashed cleaning liquid.
  • Such a splash guard has proven itself in practice. However, it is difficult to direct the cleaning liquid jet in particular for cleaning corners and edges with the smallest possible distance to the jet pipe outlet on a surface portion, since the user can not directly observe the cleaning process due to the splash guard.
  • Object of the present invention is to develop a splash guard of the generic type such that the user can observe the cleaning process well even at a small distance between the splash guard and surface to be cleaned.
  • the splash guard according to the invention has a support plate, which in addition to a passage opening has a viewing opening.
  • the jet tube outlet can be passed through the passage opening, so that it dips into the interior of the splash guard surrounded by the splash guard and the bearing plate, and the viewing opening the user is given the opportunity, the cleaning process, that is, the impact of the pressurized cleaning liquid on the surface to be cleaned, to observe immediately.
  • the splash guard is formed by flexible splash guard elements. These may be designed, for example, in the form of bristles. But it can also splash protection elements in the form of flexible strips of material are used, such as strips of a rubber, rubber or elastic plastic material. The strips have inherent stability, can be bent elastically and are in the form of a wreath from the support plate. They form according to a bristle ring a circumferential flexible protective wall. Preferably, the strips are arranged mutually overlapping each other. They may, for example, have a width of about 1 cm to about 4 cm, more preferably a width of about 2 cm to about 3 cm.
  • the carrying plate has a collar surrounding the viewing opening.
  • the collar may protrude in the direction away from the splash guard, but it is particularly advantageous if the collar protrudes into the interior of the splash guard surrounded by the support plate and the splash guard. With the help of the collar not only back-spraying cleaning liquid can be intercepted, but it also makes it possible to enhance the mechanical stability of the support plate.
  • the support plate is triangular in plan view. Due to the triangular shape, the splash guard including the jet pipe outlet can be guided in corners and edges and thus enables a particularly effective cleaning of a surface. The risk of obstruction of the cleaning process by the splash guard is kept low.
  • the shield receives by a curved in plan view outer contour, which facilitates the guiding of the splash guard in corners and edges.
  • the support plate is configured in the plan view as isosceles, in particular equilateral triangle.
  • the viewing opening is formed as well as the support plate triangular. It can be provided that the viewing opening forms an isosceles, in particular an equilateral triangle. Preferably, the two legs of the viewing opening are formed in a straight line. The third side of the viewing aperture may be convex or concave.
  • the edge of the passage opening is arranged in a plane which is oriented obliquely to the plane which is defined by the free end of the splash guard (splash guard plane).
  • the edge of the passage opening is thus inclined to the splash guard plane.
  • the support plate has a support plate from which protrudes a pipe socket, which defines the passage opening and is aligned obliquely to the plane defined by the free end of the splash guard ring.
  • a free end portion of the jet pipe including an outlet nozzle held thereon can be inserted into the pipe socket. This allows a stable mounting of the splash guard at the end of the jet pipe.
  • the support plate of the support plate is aligned obliquely to the plane defined by the free end of the splash guard.
  • the support plate relative to the plane defined by the free end of the splash guard has a slope which is less than the inclination of the edge of the passage opening relative to the plane defined by the free end of the splash guard, for example, the inclination the support plate about half as large as the slope of the edge of the through hole.
  • the support plate is aligned parallel to a plane which is defined by the edge of the passage opening.
  • the support ring can surround the support plate in the circumferential direction and offset in the direction of the splash guard to the support plate be arranged. It can be provided that the intermediate part is inclined starting from the support plate in the direction of splash guard.
  • the splash guard on a connecting part, which is connectable to the support plate and to the support tube.
  • the connecting part is insertable into the passage opening of the support plate. It is advantageous in this case if the connecting part has a stop which can be applied to the edge of the passage opening.
  • the connecting part with the support plate and / or with the jet pipe is releasably latched.
  • the connecting part is designed sleeve-shaped. It is advantageous if the connecting part has a circumferential collar, which forms an attachable to the edge of the passage opening stop and surrounding the connecting part in the circumferential direction.
  • the connecting part with the support plate and / or with the jet tube is rotatably connected.
  • Such a configuration is particularly advantageous if the connecting part in different rotational positions with respect to the longitudinal axis of the jet pipe with the jet pipe and / or to the support plate is detachably connectable, because this can be done in particular with triangular configuration of the support plate, the connection of the jet pipe with the splash guard while maintaining a desired orientation of the support plate relative to the jet pipe.
  • the edge of the passage opening comprises a corrugation and the connecting part has at least one radially outwardly projecting rib, which cooperates for producing a rotationally fixed connection with the corrugation.
  • the edge of the passage opening comprises at least one radially inwardly pointing rib and the connecting part is insertable into the passage opening and the outside has a corrugation, which cooperates with the rib of the passage opening. In both cases it is ensured that the connecting part by the interaction of ribbing and rib in different rotational positions with the support plate is rotatably connected.
  • a splash guard 10 is shown, in which an end portion of a known per se and therefore can be introduced in the drawing to achieve a better overview jet pipe, which is connected to a high-pressure cleaner.
  • the splash guard 10 comprises a in plan view (see Figure 2) triangular support plate 12 made of plastic, which has a support plate 14 which is triangular in shape and surrounded by a support ring 16.
  • the support ring 16 is integrally connected via an intermediate part 18 with the support plate 14.
  • the support plate 12 carries a circumferential splash guard in the form of a bristle ring 20 with a plurality of flexible splash guard elements in the form of bristle bundles 21, the free ends 22 define a bristle rim plane 23.
  • retaining rings 25 can also be formed a circumferential groove in the support plate 12, in which a prefabricated bristle strip is inserted.
  • the support plate 14 is aligned obliquely with respect to the bristle crown plane 23 and carries on its upper side facing away from the bristle rim 20 a pipe socket 27 inclined to the support plate 14, which defines a passage opening 28 and is integrally connected to the support plate 14.
  • the support plate 12 has in plan view a triangular outer contour with two convex shaped legs 31, 32 and one also convex shaped base 33. The corners of the support plate between the base 33 and the legs 31 and 32 are rounded, whereas the outer contour of the support plate 12 between the legs 31 and 32, a tip 34 is formed.
  • the support plate 14 In the area between the passage opening 28 and the tip 34 of the support plate 12, the support plate 14 has a triangular view opening 36 which is surrounded by a collar 37 which projects into the interior 39 of the splash guard 10 surrounded by the bristle rim 20 and the support plate 12.
  • the viewing opening 36 is also triangular in shape and comprises two rectilinear legs 41, 42 and a convexly curved base 43.
  • the connecting part 47 is sleeve-shaped and includes a peripheral collar 48 which forms a stop and on the edge of the through hole 28 can be placed.
  • the circumferential collar 48 is arranged approximately centrally in the longitudinal direction of the connecting part 47 and divides the connecting part 47 into a protruding into the pipe socket 27 front portion 50 and a projecting beyond the pipe socket 27 rear portion 51.
  • the front portion 50 is formed of several, in the circumferential direction arranged side by side, elastically deflectable latching wings 53, each of which carries a radially outwardly directed latching hook 54 at its free end. By means of the latching hook 54, the front portion 50 of the connecting part 47 can engage behind a radially inwardly directed step 56 of the pipe socket 27 to form a latching connection between the connecting part 47 and the pipe socket 27.
  • the pipe socket 27 has on the inside in the region of the through hole 28 a corrugation 45, and the latching wings 53, which carry no latching hooks 54 at its free end, have on the outside a projecting rib 57 which cooperates with the corrugations 45 of the pipe socket 27 by immersed in a groove of the corrugation 45.
  • Corrugation 45 and rib 57 form a rotation lock, with the aid of which in a plurality of rotational positions relative to the central axis 59 of the connecting part 47, a rotationally fixed connection between the connecting part 47 and the pipe socket 27 can be made.
  • the rear portion 51 of the connecting part 47 is also formed by a plurality of circumferentially juxtaposed, elastically deflectable latching wings 61 which carry at their free end in each case a radially inwardly directed detent 63 and are separated by longitudinal slots 64.
  • the connecting part 47 can be placed on an end portion of the jet pipe, not shown in the drawing, wherein by means of the locking lugs 63, a latching connection can be produced and in the longitudinal slots 64 a radially outwardly pointing rib of the jet pipe can dive, so that means the longitudinal slots 64 and the beam tube rib dipping into them a rotatable connection of the connecting part 47 with the jet pipe can be produced.
  • the triangular shape of the support plate 12 makes it possible to guide the splash guard 10 in a simple manner in corners and edges of a surface to be cleaned, and on the viewing port 36 which is disposed between the passage opening 28 and the tip 34 of the splash guard 10, the user observe the cleaning process immediately, so that it can guide the cleaning liquid jet optimally along the surface to be cleaned.
  • the bristle rim 20 comprises only the bristle bundles 21, which completely surround the support plate 12 in the circumferential direction.
  • a bristle strip is arranged at least on the base side 33 or in the region of the tip 34 of the support plate 12 in addition to the circumferential bristle rim 20, the stiffer, harder and shorter bristle bundles than that Borstenkranz 20.
  • the bristle strip may be formed in the form of an additional row of bristles and makes it possible to mechanically clean off a surface by bending the bristle rim 20.
  • the sealing function of the splash guard 10 is improved by an additional bristle strip.
EP06001089A 2005-03-02 2006-01-19 Ecran anti-éclaboussures d'un appareil pour le nettoyage haute pression Withdrawn EP1698400A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510010784 DE102005010784A1 (de) 2005-03-02 2005-03-02 Spritzschutzeinrichtung für Hochdruckreinigungsgeräte

Publications (1)

Publication Number Publication Date
EP1698400A1 true EP1698400A1 (fr) 2006-09-06

Family

ID=35945093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06001089A Withdrawn EP1698400A1 (fr) 2005-03-02 2006-01-19 Ecran anti-éclaboussures d'un appareil pour le nettoyage haute pression

Country Status (2)

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EP (1) EP1698400A1 (fr)
DE (1) DE102005010784A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103486A1 (fr) * 2008-02-22 2009-08-27 Alfred Kärcher Gmbh & Co. Kg Tête de nettoyage de surface
FR2964046A1 (fr) * 2010-08-30 2012-03-02 Exel Ind Embout pour pulverisateur portatif et pulverisateur portatif comprenant un tel embout

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119257A1 (de) 2015-11-09 2017-05-11 Alfred Kärcher Gmbh & Co. Kg Hochdruckreinigungsgerät, Strahlrohr für ein Hochdruckreinigungsgerät und Spritzschutzvorrichtung für Reinigungsgeräte

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829019A (en) * 1972-02-02 1974-08-13 Chaska Chem Co Inc Spinner assembly
US5265805A (en) * 1992-08-17 1993-11-30 Artenian Steven M Rotary lance cleaning apparatus
DE29623235U1 (de) * 1996-10-29 1998-01-08 Kaercher Gmbh & Co Alfred Spritzschutz für ein Hochdruckreinigungsgerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29803826U1 (de) * 1998-03-05 1998-06-25 Hsb Umwelttechnik Gmbh Hochdruck-Reinigungsvorrichtung
GB2362314A (en) * 2000-05-16 2001-11-21 Harold Walmsley Method and apparatus for cleaning up graffiti
DE10239243B4 (de) * 2002-08-22 2006-12-07 Keusch, Siegfried, Dipl.-Ing. Hochdruckreiniger mit Wasserrecycling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829019A (en) * 1972-02-02 1974-08-13 Chaska Chem Co Inc Spinner assembly
US5265805A (en) * 1992-08-17 1993-11-30 Artenian Steven M Rotary lance cleaning apparatus
DE29623235U1 (de) * 1996-10-29 1998-01-08 Kaercher Gmbh & Co Alfred Spritzschutz für ein Hochdruckreinigungsgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009103486A1 (fr) * 2008-02-22 2009-08-27 Alfred Kärcher Gmbh & Co. Kg Tête de nettoyage de surface
CN101939116B (zh) * 2008-02-22 2013-06-12 阿尔弗雷德·凯驰两合公司 表面清洁头
FR2964046A1 (fr) * 2010-08-30 2012-03-02 Exel Ind Embout pour pulverisateur portatif et pulverisateur portatif comprenant un tel embout

Also Published As

Publication number Publication date
DE102005010784A1 (de) 2006-09-07

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