EP1323479A1 - Buse composée de deux pièces - Google Patents

Buse composée de deux pièces Download PDF

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Publication number
EP1323479A1
EP1323479A1 EP02017265A EP02017265A EP1323479A1 EP 1323479 A1 EP1323479 A1 EP 1323479A1 EP 02017265 A EP02017265 A EP 02017265A EP 02017265 A EP02017265 A EP 02017265A EP 1323479 A1 EP1323479 A1 EP 1323479A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
insert
pressure
base body
pressure nozzle
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Withdrawn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
EP02017265A
Other languages
German (de)
English (en)
Inventor
Bernd Winkler
Ernst Schaible
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.)
Alto Deutschland GmbH
Original Assignee
Alto Deutschland GmbH
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 Alto Deutschland GmbH filed Critical Alto Deutschland GmbH
Publication of EP1323479A1 publication Critical patent/EP1323479A1/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Withdrawn legal-status Critical Current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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • 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

Definitions

  • the invention relates to a high-pressure nozzle, in particular for a High-pressure cleaning device according to the generic term of the independent Claim 1.
  • the invention is not intended to apply only to high-pressure nozzles High-pressure cleaning devices, but the High-pressure nozzles according to the invention can also be used in other devices and Devices are used, which with a pressure use working medium.
  • pulse system of the high pressure nozzle may be limited, but which in the invention is intended to cover all high-pressure nozzles in which Recesses are made in the inaccessible interior of the High pressure nozzle should be located upstream of the outlet side.
  • This "pull principle” has a transverse groove on the "inner” nozzle contour, which in the current manufacturing process using a router left and right of Nozzle hole is milled. A corresponding one was used for cross milling minimum bore diameter of the nozzle bore required.
  • "Inner" Nozzle contour means inside the high-pressure nozzle upstream of the Outlet side, i.e. the spray lance and the high-pressure cleaning device facing and thus also when removed from the spray lance Areas difficult to access with high pressure nozzle.
  • the object of the present invention is therefore a high pressure nozzle especially for high pressure cleaning devices and especially after Develop the Pullen principle of the prior art in such a way that also very small dimensions of high pressure nozzles in a simple and inexpensive way and ways can be made.
  • the high-pressure nozzle according to the invention is now formed at least in two parts and a nozzle body includes, in which a nozzle insert with at least one nozzle bore is recorded which nozzle insert upstream inside the High pressure nozzle is provided with at least one recess.
  • this recess approximately in the form of a transverse groove symmetrical on both sides of the approximately central cylindrical nozzle bore is provided what the nozzle described in the pull principle equivalent. This creates a kind of cascade for what flows through Medium, which is sprayed through the approximately central cylindrical Hole of the nozzle body enters the nozzle insert, there first in an enlarged vestibule, then into the aforementioned elongated one Cross groove, which merges into the cylindrical nozzle bore, which in the If necessary, the atmosphere opens out via a further transverse groove.
  • the flow rate of the high pressure medium is first reduced in the enlarged anteroom, and then when passing through the Cross groove and the nozzle bore more and more enlarged, so that at The medium at the highest speed emerges from the nozzle bore achieved.
  • the advantage of the high-pressure nozzle according to the invention is that within the Nozzle insert in its particularly small bore such transverse grooves can be introduced according to the Pullen principle, since according to the invention the nozzle insert is now independent of Nozzle base body can be processed individually.
  • the nozzle insert is produced as a blank, then the small nozzle hole is inserted, and immediately afterwards then the transverse groove by means of machining e.g. mill brought in.
  • the transverse groove can also be in front of the nozzle bore be introduced.
  • This nozzle insert, as well as the nozzle bore located in it, can accordingly be executed very small, that is, the processing of Cross groove with a milling cutter does not cause any problems since the Accessibility is optimal.
  • the nozzle insert may or may not be detachable be releasably connected to the nozzle body, in particular in
  • the detachable design of the nozzle insert also includes other basic nozzle bodies various dimensions, connection threads etc. can be installed can.
  • the nozzle body and nozzle insert are preferably pressure-tight pressed together. This results in a reduction in manufacturing costs and Simplify logistics.
  • the nozzle insert can also be made of very high quality material, to improve the service life.
  • the nozzle insert can be used here, for example made of ceramic, plastic, etc., including combinations of these materials can be used.
  • sealing element can for example in the form of an O-ring, of course all other forms of sealing rings can also be provided can.
  • the nozzle insert is over a Press fit introduced into the nozzle body, so that also with this a pressure-tight connection of these two parts without additional Sealing ring is done.
  • a sealing element can be introduced.
  • the nozzle insert can also be made of Steel, which nozzle insert is then in particular in the form of a Sheet metal stamping part is realized with the advantage of a very Inexpensive alternative to machining to achieve manufactured nozzle insert.
  • This stamping part can also installed as a nozzle insert in any nozzle body become.
  • the high-pressure nozzle has one or more multi-part nozzle body, and a one-piece introduced therein Includes nozzle insert.
  • the nozzle insert within a recess in the Nozzle base body is pressed into a non-detachable press fit or the Removable nozzle insert and pressure-tight within the Recess in the nozzle body is made detachable.
  • Both the nozzle body, as well as the nozzle insert can in their Basic shape can be shaped almost arbitrarily, one essentially cylindrical basic shape of at least the nozzle insert is preferred. Also the nozzle body can be cylindrical and / or conical and also stepped his.
  • the nozzle insert is on the inner nozzle contour has a recess, in particular a transverse groove, which in particular with the actual approximately cylindrical or conical Nozzle hole is connected.
  • the transverse groove is above as seen in the direction of flow of the medium the actual roughly cylindrical or conical nozzle bore, leading to an advantageous acceleration and training of the shape of the Nozzle jet leads.
  • the transverse groove in the pull system is therefore in the High pressure nozzle directed inwards, i.e. from the nozzle body and Nozzle insert inwards towards spray lance and cleaning device directed.
  • Figure 1 shows a high pressure nozzle 1 with the two components Nozzle base body 2 and nozzle insert 3, the nozzle insert 3 on front free end of the nozzle body 2 is added, that is High pressure nozzle outlet 1.
  • the nozzle insert 3 is therefore within a recess 5 of the base body 2 connected to this via a press fit, the bottom of which Recess 5 within a circumferential groove on the jacket and on the inner end face of the nozzle insert 3 of the O-ring 4, which is a pressure-tight sealing of the two parts 3 and 2 causes.
  • the nozzle base body 2 consists of an in the inner free end essential conical part 6 with external thread, through which the High-pressure nozzle 1 detachably connected to a spray lance, not shown can be.
  • a key shoulder 7 formed, which the screwing and unscrewing the high pressure nozzle 1 simplified / from the lance head.
  • the compression of the nozzle insert 3 in the opening of the nozzle body 2 can take place via a direct radial pressing and / or an axial and radial flange 9, which in the front free end 8 of the nozzle body 2 is formed.
  • a through hole is centrally located in the center of the nozzle body 2 10 introduced, which the spray lance media-guiding with the nozzle bore 14 of the nozzle insert 3 connects.
  • the direction of the nozzle insert 3 located part of the central bore 10 is with a widening 11 Adjust the diameter to the nozzle insert 3. This Widening 11 then goes in the nozzle body 2 itself into the opening 5 of the upper free end 8, into which opening 5 the nozzle insert 3 is pressed.
  • FIG. 2 shows a bottom view of FIG. 1, with an alternative here it is shown that the nozzle insert 3 in the nozzle base body 2 is screwed in, in contrast to the pressing according to Figure 1. Also can the nozzle insert 3 in the nozzle body 2 by other detachable Connections have been made, e.g. Bayonet connection, Snap connection, pinning etc.
  • the closer formation of the nozzle insert 3 now show in particular the Figures 3 and 4.
  • the nozzle insert 3 is disc-shaped in its basic form cylindrical and has on the, the bore 10 of the Side facing the nozzle body 2, an approximately spherical antechamber 12, which merges into a transverse groove 13, to which transverse groove 13 the approximately Central cylindrical bore 14 connects, which in turn in a recess 15 passes, which faces the environment.
  • the medium can thus in the flow direction 20 in the bore 10 of the Nozzle base body 2, then to widen it 11, then into the vestibule 12 of the nozzle insert 3, then get into its inner transverse groove 13, and then via the nozzle bore 14 into the outer recess 15 and from there into Free flow in flow direction 21.
  • FIG. 4 shows the insert 3 in section along the longitudinal axis of the transverse groove 13, wherein the upper, outwardly directed recess 15 is not closer here is shown. This is therefore a modification of insert 3 according to FIG. 1 and 5th
  • Figures 5 and 6 now show the problem of milling the Cross groove by means of a milling cutter in the nozzle insert 3 into a high pressure nozzle 1 according to the present invention ( Figure 5) and according to a high pressure nozzle according to the prior art ( Figure 6).
  • Figures 5 and 6 There is also the problem of small dimensions of the nozzle insert 3 to see what the present Invention avoids that the high-pressure nozzle 1 formed at least in two parts as nozzle insert 3 and nozzle base body 2 is.
  • the nozzle insert 3 independently and separately from the nozzle body 2 by means of the milling cutter 16 are processed and in particular the inner transverse groove 13 without problems can be introduced without the cutter 16 over the central Bore 10 of the nozzle body 2 must be inserted.
  • the Milling cutter 16 can be moved in the arrow directions 17 and 18.
  • Figure 6 shows here a high pressure nozzle with larger dimensions according to the state of the Technology, so that there is a transverse displacement of the cutter 16 in the Arrow directions 18 within the bore 10a is possible without problems, according to Figure 5 due to the small diameter of the central Bore 10 does not have a transverse movement in the arrow directions 17 of the milling cutter 16 is easily possible and therefore the transverse groove 13 is not in its full Dimensions can be brought.
  • the invention sees a separation between the nozzle insert 3 and the nozzle body 2 in front, so that the nozzle insert 3 separately from Nozzle base body 2 can be edited and thus the cutter 16 freely in the arrow directions 17 outside the bore 10 for producing the transverse groove 13 can move without the central bore 10 of the Nozzle base body 2 would hinder the movement of the cutter 16.
  • FIG. 7 and 8 are further developments of the invention High-pressure nozzle shown in longitudinal section, wherein Figure 7 is a high-pressure nozzle 22 with several nozzle inserts 3a, 3b, 3c, 3d shows, whereas FIG. 8 shows one High-pressure nozzle 23 with a single nozzle insert 3 with several Shows nozzle bores 14a, 14b, 14c, 14d, with the same reference numerals designate the same components as in the previous figures.
  • the high-pressure nozzle 22 according to FIG. 7 contains, for example, four Nozzle inserts 3a-3d at the front free end of the base body 2, which Nozzle inserts 3a-3d e.g. at an even angular distance of 90 ° each cylindrical end face of the base body 2 are distributed. Of course you can too more or less than four nozzle inserts 3 may be provided.
  • This support grid 24 is extensive segmented or self-contained and with the base body 2 not detachable via a radial press fit and / or radial and axial Flaring connected or detachable via e.g. a screw thread or a Bayonet connection connected.
  • the support grid 24 is segmented circumferentially formed so that the nozzle inserts 3a-3d are radial on the one hand support on the inside (in relation to the base body 2) and radially on the other outside (in relation to the base body 2) on the inner circumference of the base body 2 itself.
  • the nozzle inserts 3 are here via flanges 9a-d front ends of the support grid 24 and the flange 9 of the base body 2 committed to this.
  • Others are also removable and non-removable Fastening options such as screwing, bayonet connection, soldering, Welding etc. possible.
  • the support grid 24 can also be a closed one Have outer contour, so that the nozzle inserts 3 completely in the support grid 24 are included, which in turn is completely in the base body 2 is included.
  • each of the nozzle inserts 3 has at least one Nozzle bore 14 with a transverse groove adjoining it upstream 13 and an optional upstream storage room 12th
  • the high-pressure nozzle 23 according to FIG. 8 contains only a single one Nozzle insert 3 at the front free end of the base body 2, the Nozzle insert 3 has, for example, four nozzle bores 14. Each upstream of the nozzle bores 14 each close a transverse groove 13 and optionally a storage space 12 to the transverse groove 13.
  • FIG. 9 shows the high pressure nozzle according to FIG. 7 in the end view seen the flow direction 21.
  • the four nozzle inserts 3a-3d are in the Base body 2 received via the support grid 24 and have each other the same angular distance of approx. 90 °, with different ones Cross-sectional shapes of the nozzle bores 14a-14d are introduced, which but is not necessary for a solution.
  • Figure 10 shows the high pressure nozzle according to Figure 8 in the front view seen the flow direction 21.
  • the only nozzle insert 3 is in Base body 2 is included and contains four nozzle bores 14a-14d, which have the same angular distance of approx. 90 ° to each other and which are again different in cross section, but what is not necessary for a solution.
  • the invention relates to a high-pressure nozzle, especially for high pressure cleaning devices and especially after Pullen principle formed, with at least one nozzle bore, the High pressure nozzle is formed at least in two parts and one Includes nozzle body, in which at least one nozzle insert with the at least one nozzle bore is received directly or indirectly, which nozzle insert upstream inside the high pressure nozzle with at least one further recess is provided.
  • the Nozzle base body and / or the nozzle insert itself in turn in several parts trained and / or multiple use of the nozzle insert.

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  • Nozzles (AREA)
EP02017265A 2001-12-20 2002-08-01 Buse composée de deux pièces Withdrawn EP1323479A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10163102 2001-12-20
DE10163102A DE10163102A1 (de) 2001-12-20 2001-12-20 Hochdruckdüse, insbesondere für ein Hochdruckreinigungsgerät

Publications (1)

Publication Number Publication Date
EP1323479A1 true EP1323479A1 (fr) 2003-07-02

Family

ID=7710260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017265A Withdrawn EP1323479A1 (fr) 2001-12-20 2002-08-01 Buse composée de deux pièces

Country Status (2)

Country Link
EP (1) EP1323479A1 (fr)
DE (1) DE10163102A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007134389A1 (fr) 2006-05-19 2007-11-29 Spray Nozzle Engineering Pty. Limited Ensemble stable d'insert de buse
EP1938902A2 (fr) 2006-11-20 2008-07-02 Piller Entgrattechnik GmbH Buse à plusieurs composants
EP1992413A1 (fr) 2007-05-15 2008-11-19 Lechler GmbH Procédé de fabrication d'une büse et une büse
WO2012022289A1 (fr) * 2010-07-09 2012-02-23 Emilia Steinicke Corps de buse et tête d'un appareil de nettoyage muni d'un tel corps de buse

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058838B4 (de) * 2004-12-06 2007-11-29 Schramm, Armin Düseneinsatz aus Stahl

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515315A (en) * 1983-06-08 1985-05-07 Corsette Douglas Frank Nozzle insert for a fluid dispenser
US5379938A (en) * 1993-08-16 1995-01-10 A. S. M. Company, Inc. Seal for airless spray gun
EP0781607A2 (fr) * 1995-12-27 1997-07-02 Titan Tool, Inc. Nez de pulvérisateur comprenant une buse insérée positionable par rotation
US5740966A (en) * 1993-12-17 1998-04-21 Paul Ritzau Pari-Werk Gmbh Nebulizer nozzle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705693A (en) * 1971-07-16 1972-12-12 Norman Franz Means for sealing fittings and nozzle assemblies at extremely high fluid pressures
DE3835446A1 (de) * 1988-10-18 1990-04-19 Lechler Gmbh & Co Kg Duese zum zerstaeuben fluessiger medien, insbesondere flachstrahlduese
DE9217671U1 (fr) * 1992-12-24 1993-02-25 Lechler Gmbh & Co Kg, 7012 Fellbach, De
JP3792719B2 (ja) * 1995-04-22 2006-07-05 フォクテク ブラントシュツ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト 携帯式消火銃
US5730358A (en) * 1995-12-22 1998-03-24 Flow International Corporation Tunable ultrahigh-pressure nozzle
DE19700054C1 (de) * 1997-01-02 1998-04-30 Hartmann Kulba Bauchemie Gmbh Heißwasser-/Heißdampf-Strahldüse
DE19849814A1 (de) * 1998-10-29 2000-05-04 Saechsische Werkzeug Und Sonde Wasserstrahldüse in Wasserstrahlschneidköpfen
AU1379500A (en) * 1999-02-12 2000-08-29 Alfred Karcher Gmbh & Co. Kg Jet tube for high-pressure cleaning devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515315A (en) * 1983-06-08 1985-05-07 Corsette Douglas Frank Nozzle insert for a fluid dispenser
US5379938A (en) * 1993-08-16 1995-01-10 A. S. M. Company, Inc. Seal for airless spray gun
US5740966A (en) * 1993-12-17 1998-04-21 Paul Ritzau Pari-Werk Gmbh Nebulizer nozzle
EP0781607A2 (fr) * 1995-12-27 1997-07-02 Titan Tool, Inc. Nez de pulvérisateur comprenant une buse insérée positionable par rotation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007134389A1 (fr) 2006-05-19 2007-11-29 Spray Nozzle Engineering Pty. Limited Ensemble stable d'insert de buse
EP2018223A4 (fr) * 2006-05-19 2017-05-17 Spray Nozzle Engineering PTY Ltd Ensemble stable d'insert de buse
EP1938902A2 (fr) 2006-11-20 2008-07-02 Piller Entgrattechnik GmbH Buse à plusieurs composants
EP1992413A1 (fr) 2007-05-15 2008-11-19 Lechler GmbH Procédé de fabrication d'une büse et une büse
WO2012022289A1 (fr) * 2010-07-09 2012-02-23 Emilia Steinicke Corps de buse et tête d'un appareil de nettoyage muni d'un tel corps de buse

Also Published As

Publication number Publication date
DE10163102A1 (de) 2003-07-10

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