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EP0787905B1 - Unit for the distribution of a pressure fluid - Google Patents

Unit for the distribution of a pressure fluid Download PDF

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Publication number
EP0787905B1
EP0787905B1 EP97100709A EP97100709A EP0787905B1 EP 0787905 B1 EP0787905 B1 EP 0787905B1 EP 97100709 A EP97100709 A EP 97100709A EP 97100709 A EP97100709 A EP 97100709A EP 0787905 B1 EP0787905 B1 EP 0787905B1
Authority
EP
European Patent Office
Prior art keywords
intermediate plate
hydraulic block
housing
hydraulic
cylindrical
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.)
Expired - Lifetime
Application number
EP97100709A
Other languages
German (de)
French (fr)
Other versions
EP0787905A2 (en
EP0787905A3 (en
Inventor
Massimo Arosio
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.)
Faster SRL
Original Assignee
Faster SRL
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 Faster SRL filed Critical Faster SRL
Publication of EP0787905A2 publication Critical patent/EP0787905A2/en
Publication of EP0787905A3 publication Critical patent/EP0787905A3/en
Application granted granted Critical
Publication of EP0787905B1 publication Critical patent/EP0787905B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0821—Attachment or sealing of modular units to each other
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor

Definitions

  • the innovation concerns a device for the distribution of a Printing medium according to the preamble of claim 1.
  • a device is known from GB 2 254 674 A.
  • the tractor one with one Row of intermediate bores on, and the free area of this intermediate plate is one Protected cover, which in the raised position Introduction of cylinder pins as well as the use of Quick fasteners allowed, which belong to the equipment, which is to be connected to the intermediate plate.
  • the intermediate plate nipples out, which means Hoses, nipples and elbows with one below lying block are to be connected to the distribution of the Hydraulic medium is used.
  • Hydraulic distributor existing hydraulic device propose that without the help of Threaded connector and connecting lines as well as without Provide threaded holes very space-saving leaves, and also the danger that the Print medium through the connection points between Intermediate plate and hydraulic distributor leaks.
  • Such a measure can not only be used unwanted connections and lines between the Dispense intermediate plate and the hydraulic block, but at the same time an undesirable deposition of dirt on the ground surface of the intermediate plate or on the ground, flat surface of the hydraulic block avoid.
  • the device designated overall by 1 in FIG. 1 consists of an intermediate plate 2 which is known per se Way recesses (not shown), which at Not using the device by a small one Hinged lid 3 are covered.
  • the intermediate plate 2 is connected to the tractor and via a hydraulic distributor block labeled 6 arranged.
  • Cylindrical ones protrude from the intermediate plate Connection piece 9 out, which is in a corresponding Have hole 10 formed in the hydraulic block.
  • the intermediate plate 2 is fixed with the aid of screws 11 connected to the hydraulic block 6.
  • the one in FIG The section shown shows part of the intermediate plate 2, which has a ground surface at the bottom 7 has that on the ground surface 8 of the housing of the hydraulic block 6 rests.
  • Each line provided in the housing of the hydraulic block 6 20 opens into a cylindrical recess 10 which in is advantageously ground and to accommodate the the underside of the intermediate plate 2 protruding tubular nozzle 9 is used.
  • connection 9 has a circumferential groove 21 on the outside on which receives a sealing ring 22. Also shows the connection has a paragraph 23 with which it can be connected to the ground surface 8 of the housing of the hydraulic block 6 rests.
  • Paragraph 23 serves as a stop to avoid this Free end of port 9 too deep in the cylinder bore 10 penetrates.
  • Each blind hole 24 has an internal thread that the Threaded shaft 25 receives a clamping screw 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Clamps And Clips (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Soil Working Implements (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Sealing Devices (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The distributor has contact surfaces (7,8) as flat ground surfaces between an intermediate plate (2) and a hydraulic block (6). Cylinder-shaped connections (9) extend from the surface (7) of the intermediate plate, each with a sealing ring (22) within a cylindrical drilling (10) in the housing of the hydraulic block (6). The intermediate plate and housing of the hydraulic block are locked together by screw bonds (25), to force the surface of the intermediate plate in a sealed fit against the surface (8) of the hydraulic block.

Description

Die Neuerung betrifft eine Einrichtung zur Verteilung eines Druckmediums gemäss dem Oberbegriff des Anspruchs 1. Solch eine Einrichtung ist aus GB 2 254 674 A bekannt.The innovation concerns a device for the distribution of a Printing medium according to the preamble of claim 1. Such a device is known from GB 2 254 674 A.

Insbesondere bei Erdbewegungsmaschinen, Baumaschinen oder Landwirtschaftsmaschinen kommen Einrichtungen zur Anwendung, die zur Verteilung eines Druckmediums an hydraulisch betätigbare Hilfsgeräte dienen.Especially in earth moving machines, construction machines or Agricultural machines come to facilities Application designed to distribute a print medium hydraulically operated auxiliary devices are used.

Zu diesem Zweck weist z.B. der Schlepper eine mit einer Reihe Durchgangsbohrungen versehene Zwischenplatte auf, und die freie Fläche dieser Zwischenplatte wird von einem Deckel geschützt, der bei angehobener Stellung die Einführung von Zylinderstiften sowie die Verwendung von Schnellverschlüssen gestattet, die zur Ausrüstung gehören, die mit der Zwischenplatte zu verbinden ist. Beim bisherigen Stand der Technik (siehe z.B. italienische Patentanmeldung MI94A-000559 der Anmelderin) ragen aus der Unterseite der Zwischenplatte Nippel heraus, die mittels Schläuchen, Nippeln und Kniestücken mit einem unterhalb liegenden Block zu verbinden sind, der zur Verteilung des Hydraulikmediums dient.For this purpose e.g. the tractor one with one Row of intermediate bores on, and the free area of this intermediate plate is one Protected cover, which in the raised position Introduction of cylinder pins as well as the use of Quick fasteners allowed, which belong to the equipment, which is to be connected to the intermediate plate. At the current state of the art (see e.g. Italian Patent application MI94A-000559 by the applicant) protrude from the Underside of the intermediate plate nipples out, which means Hoses, nipples and elbows with one below lying block are to be connected to the distribution of the Hydraulic medium is used.

Es hat sich herausgestellt, dass durch die Notwendigkeit, zwischen der Zwischenplatte und dem Hydraulikblock herausragende Gewindeteile und Verbindungsrohre vorzusehen, der zur Anordnung der genannten hydraulischen Einrichtungen erforderliche Raumbedarf sehr gross ist und des weiteren die Gefahr von unerwünschten Leckverlusten des Hydraulikmediums bestehen.It turned out that the need to between the intermediate plate and the hydraulic block to provide protruding threaded parts and connecting pipes, of the arrangement of the hydraulic devices mentioned required space is very large and further the risk of undesirable leakage of the Hydraulic medium exist.

Der Neuerung liegt die Aufgabe zugrunde, die vorher erwähnten und zum Stand der Technik gehörenden Nachteile zu beseitigen und eine aus Zwischenplatte undThe innovation is based on the task before disadvantages mentioned and belonging to the prior art eliminate and one from intermediate plate and

Hydraulikverteiler bestehende Hydraulikeinrichtung vorzuschlagen, die sich ohne Zuhilfenahme von Gewindestutzen und Verbindungsleitungen sowie ohne Vorsehung von Gewindebohrungen sehr raumsparend aufstellen lässt, und ausserdem die Gefahr vermieden wird, dass das Druckmedium durch die Anschlußstellen zwischen Zwischenplatte und Hydraulikverteiler ausläuft.Hydraulic distributor existing hydraulic device propose that without the help of Threaded connector and connecting lines as well as without Provide threaded holes very space-saving leaves, and also the danger that the Print medium through the connection points between Intermediate plate and hydraulic distributor leaks.

Nach der Erfindung wird diese Aufgabe durch die Einrichtung des Anspruchs 1 gelöst. According to the invention, this object is achieved by the device of claim 1.

Durch eine solche Massnahme kann man nicht nur auf unerwünschte Anschlüsse und Leitungen zwischen der Zwischenplatte und dem Hydraulikblock verzichten, sondern gleichzeitig auch eine unerwünschte Ablagerung von Schmutz an der geschliffenen Fläche der Zwischenplatte oder an der geschliffenen, planebenen Fläche des Hydraulikblocks vermeiden. Ausserdem lassen sich die geschliffenen Flächen und die Zylinderbohrungen schnell und einfach reinigen.Such a measure can not only be used unwanted connections and lines between the Dispense intermediate plate and the hydraulic block, but at the same time an undesirable deposition of dirt on the ground surface of the intermediate plate or on the ground, flat surface of the hydraulic block avoid. In addition, the ground surfaces and clean the cylinder bores quickly and easily.

Anhand der beigefügten Zeichnungen soll nun am Beispiel eines Ausführungsbeispieles der Gegenstand der Erfindung näher beschrieben und erläutert werden. Es zeigen:

  • Figur 1 eine Vorderansicht einer Zwischenplatte sowie eines Hydraulikblocks;
  • Figur 2 das Detail II aus Figur 1 in vergrössertem Maßstab; und
  • Figur 3 ein Detail der Zwischenplatte sowie des Hydraulikblocks in Schnittdarstellung.
    • With reference to the accompanying drawings, the subject matter of the invention will now be described and explained in more detail using the example of an embodiment. Show it:
  • Figure 1 is a front view of an intermediate plate and a hydraulic block;
  • Figure 2 shows the detail II of Figure 1 on an enlarged scale; and
  • Figure 3 shows a detail of the intermediate plate and the hydraulic block in a sectional view.

    • Die in Figur 1 insgesamt mit 1 bezeichnete Einrichtung besteht aus einer Zwischenplatte 2 die in an sich bekannter Weise Ausnehmungen (nicht dargestellt) aufweist, die bei Nichtgebrauch der Einrichtung durch einen kleinen Klappdeckel 3 abgedeckt werden.The device designated overall by 1 in FIG. 1 consists of an intermediate plate 2 which is known per se Way recesses (not shown), which at Not using the device by a small one Hinged lid 3 are covered.

    Bei offenem Klappdeckel 3 können Anschlußstutzen und Passtifte in Pfeilrichtung f eingeführt werden. Die Verriegelung der Platte (nicht dargestellt) erfolgt mit Hilfe eines bekannten Kurvengetriebes 4, das über einen Hebel 5 betätigbar ist.With the hinged cover 3 open, connecting pieces and Dowel pins are inserted in the direction of the arrow f. The The plate (not shown) is locked with With the help of a known cam mechanism 4, which has a Lever 5 is actuated.

    Die Zwischenplatte 2 ist mit dem Schlepper verbunden und über einen mit 6 bezeichneten Hydraulik-Verteilerblock angeordnet.The intermediate plate 2 is connected to the tractor and via a hydraulic distributor block labeled 6 arranged.

    Nach der Erfindung handelt es sich bei der unteren Fläche 7 der Zwischenplatte 2 sowie bei der oberen Fläche 8 des Hydraulikblocks 6 um geschliffene Flächen.According to the invention, the lower surface 7 the intermediate plate 2 and the upper surface 8 of the Hydraulic blocks 6 around ground surfaces.

    Aus der Zwischenplatte ragen zylinderförmige Anschlußstutzen 9 heraus, die sich in eine entsprechende, im Hydraulikblock ausgebildete Bohrung 10 einführen lassen.Cylindrical ones protrude from the intermediate plate Connection piece 9 out, which is in a corresponding Have hole 10 formed in the hydraulic block.

    Die Zwischenplatte 2 wird mit Hilfe von Schrauben 11 fest mit dem Hydraulikblock 6 verbunden. Der in Figur 2 dargestellte Ausschnitt zeigt einen Teil der Zwischenplatte 2, die an der Unterseite eine geschliffene Fläche 7 aufweist, die auf der geschliffenen Fläche 8 des Gehäuses des Hydraulikblocks 6 aufliegt.The intermediate plate 2 is fixed with the aid of screws 11 connected to the hydraulic block 6. The one in FIG The section shown shows part of the intermediate plate 2, which has a ground surface at the bottom 7 has that on the ground surface 8 of the housing of the hydraulic block 6 rests.

    Jede im Gehäuse des Hydraulikblocks 6 vorgesehene Leitung 20 mündet in eine zylinderförmige Ausnehmung 10, die in vorteilhafterweise geschliffen ist und zur Aufnahme der aus der Unterseite der Zwischenplatte 2 herausragenden rohrförmigen Stutzen 9 dient.Each line provided in the housing of the hydraulic block 6 20 opens into a cylindrical recess 10 which in is advantageously ground and to accommodate the the underside of the intermediate plate 2 protruding tubular nozzle 9 is used.

    An der Aussenseite weist der Anschluss 9 eine Umfangsnut 21 auf, die einen Dichtungsring 22 aufnimmt. Ausserdem weist der Anschluss einen Absatz 23 auf, mit dem er auf der geschliffenn Fläche 8 des Gehäuses des Hydraulikblocks 6 aufliegt.The connection 9 has a circumferential groove 21 on the outside on which receives a sealing ring 22. Also shows the connection has a paragraph 23 with which it can be connected to the ground surface 8 of the housing of the hydraulic block 6 rests.

    Der Absatz 23 dient als Anschlag, um zu vermeiden das das freie Ende des Anschlusses 9 zu tief in die Zylinderbohrung 10 eindringt.Paragraph 23 serves as a stop to avoid this Free end of port 9 too deep in the cylinder bore 10 penetrates.

    Im Gehäuse 6 des Hydraulikblocks sind Sacklöcher 24 vorgesehen.There are blind holes 24 in the housing 6 of the hydraulic block intended.

    Jedes Sackloch 24 weist ein Innengewinde auf, das den Gewindeschaft 25 einer Spannschraube 26 aufnimmt.Each blind hole 24 has an internal thread that the Threaded shaft 25 receives a clamping screw 26.

    In der vergrösserten Schnittdarstellung von Figur 3 ist die Zwischenplatte 2 zu sehen, die mit der geschliffenen Fläche 7 auf einer geschliffenen Fläche 8 des Hydraulikblocks 6 aufliegt.In the enlarged sectional view of Figure 3 is the Intermediate plate 2 can be seen, with the ground surface 7 on a ground surface 8 of the hydraulic block 6 rests.

    Jeder aus dem unteren Teil der Zwischenplatte herausragende Stutzen 9 ist in eine entsprechende Zylinderbohrung 10 eingeführt, die im Gehäuse des Hydraulikblocks 6 vorgesehen ist. Der Dichtungsring 22 übernimmt die Aufgabe der Abdichtung.Everyone protruding from the lower part of the intermediate plate Stub 9 is in a corresponding cylinder bore 10 introduced that are provided in the housing of the hydraulic block 6 is. The sealing ring 22 takes on the task of Seal.

    Um die Dichtwirkung zu steigern, ist in der Nähe des Anschlußstutzens 9 eine Schraube 26 durch das Gehäuse der Zwischenplatte 2 geführt und der Gewindeschaft 25 der Schraube 26 wird dadurch in ein mit einem Innengewinde versehenes Sackloch 24 eingeführt.To increase the sealing effect, close to the Connection piece 9 a screw 26 through the housing of Intermediate plate 2 and the threaded shaft 25 of the Screw 26 is thereby in a with an internal thread provided blind hole 24 introduced.

    Wird die Schraube 25, 26 angezogen, so wird die geschliffene Fläche der Zwischenplatte 2 fest gegen die geschliffene Fläche 8 des Gehäuses des Hydraulikblocks gedrückt. Dadurch wird eine maximale Dichtwirkung zwischen Zwischenplatte 2 und Hydraulikblock 6 erreicht.If the screw 25, 26 is tightened, the ground surface of the intermediate plate 2 firmly against the ground surface 8 of the housing of the hydraulic block pressed. This creates a maximum sealing effect between Intermediate plate 2 and hydraulic block 6 reached.

    Claims (3)

    1. Arrangement, for distributing a pressure medium, consisting of an intermediate plate (2) and a hydraulic block (6) which are in contact with one another via plane surfaces (7, 8), cylindrical connection pieces (9) projecting from the surface of the intermediate plate (2), and each cylindrical connection piece (9), provided with a sealing ring (22), being insertable into a cylindrical bore (10) formed in the housing of the hydraulic block (6), characterized in that the surfaces (7, 8) in mutual contact of the intermediate plate (2) and of the hydraulic block (6) are designed as ground plane surfaces, in that cylindrical connection pieces (9) inserted into the intermediate plate (2) project from the surface (7) thereof, each connection piece (9) having a shoulder (23) which, when the connection piece (9) is inserted into a cylindrical bore (10) of the hydraulic block (6), comes to rest on the surface (8) of the hydraulic block (6), and in that the intermediate plate (2) and the housing of the hydraulic block (6) can be interconnected by screw means (25) which press the surface (7) of the intermediate plate (2) sealingly against the surface (8) of the hydraulic block (6).
    2. Arrangement for distributing a pressure medium, according to Patent Claim 1, characterized in that the cylindrical bores (10) of the hydraulic block (6) have ground walls.
    3. Arrangement for distributing a pressure medium, according to Patent Claim 1, characterized in that the connection piece (9) has a circumferential groove (21) at its free end, which groove receives the sealing ring (22).
    EP97100709A 1996-02-02 1997-01-17 Unit for the distribution of a pressure fluid Expired - Lifetime EP0787905B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    IT1996MI000087U IT240427Y1 (en) 1996-02-02 1996-02-02 DISTRIBUTION UNIT FOR UNDER PRESSURE FLUID
    ITMI960087U 1996-02-02

    Publications (3)

    Publication Number Publication Date
    EP0787905A2 EP0787905A2 (en) 1997-08-06
    EP0787905A3 EP0787905A3 (en) 1999-09-08
    EP0787905B1 true EP0787905B1 (en) 2002-11-13

    Family

    ID=11372958

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP97100709A Expired - Lifetime EP0787905B1 (en) 1996-02-02 1997-01-17 Unit for the distribution of a pressure fluid

    Country Status (4)

    Country Link
    EP (1) EP0787905B1 (en)
    AT (1) ATE227810T1 (en)
    DE (1) DE59708685D1 (en)
    IT (1) IT240427Y1 (en)

    Cited By (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US7762279B2 (en) 2005-11-05 2010-07-27 Snap-Tite Technologies, Inc. Threaded coupling with flow shutoff
    EP2360413A1 (en) 2010-02-16 2011-08-24 Faster S.P.A. Multi-coupling device for multiple quick-coupling connection of several hydraulic, electrical and pneumatic lines, equipped with decompression system
    EP2818596A2 (en) 2013-06-24 2014-12-31 Faster S.p.A. Multi-coupling device with automatic pressure discharge system
    EP2884146A1 (en) 2013-12-10 2015-06-17 Faster S.P.A. Multi-connector device for the multiple quick connection of multiple hydraulic, electrical and/or pneumatic lines, with the possibility of individual manual connectors
    EP3666560A1 (en) 2018-12-11 2020-06-17 Helmut Fliegl Multi-function connector
    WO2020119936A1 (en) 2018-12-11 2020-06-18 Helmut Fliegl Multi-function connector

    Families Citing this family (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP3608578B1 (en) 2018-08-07 2022-09-07 Faster S.R.L. Multi-coupling device
    IT201900020468A1 (en) 2019-11-06 2021-05-06 Faster Srl INTEGRATED MULTICONNECTION HYDRAULIC GROUP
    IT202000025828A1 (en) 2020-10-30 2022-04-30 Faster Srl PLATE MULTICONNECTION FOR THE AUTOMATIC CONNECTION OF HYDRAULIC LINES

    Family Cites Families (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    IT955795B (en) * 1971-06-14 1973-09-29 Festo Maschf Stoll G VALVE ARRANGEMENT
    DE4112463A1 (en) * 1991-04-12 1992-10-15 Mannesmann Ag VALVE ARRANGEMENT FOR PRINT MEDIA

    Cited By (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US7762279B2 (en) 2005-11-05 2010-07-27 Snap-Tite Technologies, Inc. Threaded coupling with flow shutoff
    EP2360413A1 (en) 2010-02-16 2011-08-24 Faster S.P.A. Multi-coupling device for multiple quick-coupling connection of several hydraulic, electrical and pneumatic lines, equipped with decompression system
    EP2818596A2 (en) 2013-06-24 2014-12-31 Faster S.p.A. Multi-coupling device with automatic pressure discharge system
    EP2884146A1 (en) 2013-12-10 2015-06-17 Faster S.P.A. Multi-connector device for the multiple quick connection of multiple hydraulic, electrical and/or pneumatic lines, with the possibility of individual manual connectors
    EP3666560A1 (en) 2018-12-11 2020-06-17 Helmut Fliegl Multi-function connector
    WO2020119936A1 (en) 2018-12-11 2020-06-18 Helmut Fliegl Multi-function connector

    Also Published As

    Publication number Publication date
    EP0787905A2 (en) 1997-08-06
    IT240427Y1 (en) 2001-04-02
    EP0787905A3 (en) 1999-09-08
    ATE227810T1 (en) 2002-11-15
    ITMI960087U1 (en) 1997-08-02
    DE59708685D1 (en) 2002-12-19

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