DE4216564A1 - Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis - Google Patents

Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis

Info

Publication number
DE4216564A1
DE4216564A1 DE19924216564 DE4216564A DE4216564A1 DE 4216564 A1 DE4216564 A1 DE 4216564A1 DE 19924216564 DE19924216564 DE 19924216564 DE 4216564 A DE4216564 A DE 4216564A DE 4216564 A1 DE4216564 A1 DE 4216564A1
Authority
DE
Germany
Prior art keywords
pistons
bush
cylinders
slits
piston
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.)
Ceased
Application number
DE19924216564
Other languages
German (de)
Inventor
Wolfgang Mueller
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE19924216564 priority Critical patent/DE4216564A1/en
Publication of DE4216564A1 publication Critical patent/DE4216564A1/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/12—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same mounting or demounting piston rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/042—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines
    • B23P19/043—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines for inserting piston-connecting rods assemblies in cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/20—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The bush (1) has a shape similar to that of a funnel. It has slits (4,5) parallel to the major axis starting from both ends. The slits facilitate an elastic deformation of the bush itself. This enables pistons with rings to be compressed and inserted into cylinders. USE - Assembly aid for pistons with rings in the cylinders of internal combustion engines.

Description

Die Erfindung betrifft eine trichterähnliche Buchse gemäß dem Oberbegriff des Patentanspruchs 1. Derartige Buchsen sind als Einführhilfen von mit überstehenden Kolbenringen bestückten Kol­ ben in die Zylinderbohrungen von Hubkolben-Brennkraftmaschinen seit langem bekannt, siehe nur die DE-OS 25 54 784, B23P 19/00, oder die US-PS 38 13 755, B23p 19/04, für den Fall eines magazin­ artigen Aufbaus einer Fertigungsvorrichtung für Kolben-Zylinder- Anordnungen von Brennkraftmaschinen.The invention relates to a funnel-like socket according to the Preamble of claim 1. Such bushings are as Insertion aids for Kol equipped with protruding piston rings ben in the cylinder bores of reciprocating internal combustion engines long known, see only DE-OS 25 54 784, B23P 19/00, or US-PS 38 13 755, B23p 19/04, for the case of a magazine like construction of a manufacturing device for piston-cylinder Arrangements of internal combustion engines.

Die beschriebenen Buchsen dienen im Prinzip dazu, zum Einsetzen des Kolbens in die Zylinderbohrung den Kolben bezüglich der Boh­ rung auszurichten und die Kolbenringe auf ein das Einsetzen in die Zylinderbohrung nicht behinderndes radiales Maß zusammenzu­ drücken. Demgemäß sind bei bekannten Buchsen dieser Art für un­ terschiedliche Kolben- und Kolbenringdurchmesser unterschiedliche Buchsen erforderlich, was zu einem hohen Werkzeugaufwand für die Montage führt.The sockets described serve in principle for insertion of the piston in the cylinder bore the piston with respect to the Boh Alignment and the piston rings on an insertion in radial dimension not obstructing the cylinder bore to press. Accordingly, are known for un Different piston and piston ring diameters different Bushings required, resulting in high tooling costs for the Assembly leads.

Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Buchse zu schaffen, die für eine Vielzahl von Kolben- und Kolben­ ringdurchmessern (oder allgemeiner: Durchmessern des einzusetzen­ den ersten Bauteils) Einsatz finden können. The invention has for its object a generic Bushing to create a variety of pistons and pistons ring diameters (or more generally: diameters of the insert the first component) can be used.  

Die erfindungsgemäße Lösung dieser Aufgabe besteht in den kenn­ zeichnenden Merkmalen des Patentanspruchs 1, eine vorteilhafte Ausbildung der Erfindung beschreibt der Unteranspruch.The inventive solution to this problem consists in the characterizing features of claim 1, an advantageous Training of the invention describes the subclaim.

Die Erfindung löst die definierte Aufgabe also mit einfachsten Mitteln, ohne daß die Wirkungsweise der Buchse in irgendeiner Weise beeinträchtigt wird. Nach wie vor kann diese aus einem ein­ zigen Teil hergestellt sein, das mit im wesentlichen achsparallel verlaufenden Schlitzen so versehen ist, daß es sich den radialen Abmessungen unterschiedlicher Kolben und/oder Kolbenringe durch elastisches Aufweiten anpassen kann.The invention solves the defined task with the simplest Average without affecting the operation of the socket in any Way is affected. As before, this can come from one umpte part to be made with the substantially axially parallel extending slots is provided so that it is the radial Dimensions of different pistons and / or piston rings can adjust elastic expansion.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der perspektivischen Darstellung in der Zeichnung erläutert.An embodiment of the invention is described below the perspective view explained in the drawing.

Es sei bemerkt, daß der Kolben nebst Kolbenringen, die zur Auf­ nahme des Kolbens vorgesehene Zylinderbohrung sowie die vorzugs­ weise hydraulisch arbeitenden Mittel zur Axialbewegung des Kol­ bens innerhalb der Buchse in die Zylinderbohrung hinein nicht dargestellt sind, da sie einerseits bekannt sind und andererseits die Ausgestaltung der erfindungsgemäßen Buchse nicht beeinflus­ sen.It should be noted that the piston together with piston rings, which are used for opening Taking the piston provided cylinder bore and the preference wise hydraulically working means for axial movement of the Kol not inside the bush into the cylinder bore are shown because they are known on the one hand and on the other hand does not affect the design of the socket according to the invention sen.

Die allgemein mit 1 bezeichnete Buchse besteht einteilig aus dem konischen Einsatzbereich 2 für den Kolben und dem zylindrischen Bereich 3, der mit seinem in der Figur unteren Ende im Bereich der zugehörigen Zylinderbohrung auf den Zylinderblock der Brenn­ kraftmaschine aufgesetzt wird. Der in die Zylinderbohrung einzu­ führende, mit Kolbenringen versehene Kolben wird in der Figur von oben her in den Einführbereich 2 eingebracht und axial verscho­ ben. Dabei kann er die Buchse radial aufweiten, da sie mit von ihren beiden Enden ausgehenden, im wesentlichen achsparallel ver­ laufenden Schlitzen 4 bzw. 5 versehen ist, die sich im mittleren Axialbereich der Buchse 1 axial überlappen. Dadurch ist der Buchse eine elastische radiale Nachgiebigkeit verliehen, die es ermöglicht, die Buchse zum Einsetzen unterschiedliche Querabmes­ sungen besitzender Kolben und/oder Kolbenringe in dem gemäß auch unterschiedliche Durchmesser besitzende Zylinderbohrungen zu verwenden.The generally designated 1 bushing consists in one part of the conical insert area 2 for the piston and the cylindrical area 3 , which is placed with its lower end in the figure in the area of the associated cylinder bore on the cylinder block of the internal combustion engine. The piston to be introduced into the cylinder bore and provided with piston rings is introduced into the insertion area 2 from above in the figure and is axially displaced. He can radially expand the socket, since it is provided with slots 4 and 5 extending from its two ends, essentially axially parallel ver, which axially overlap in the central axial region of the socket 1 . As a result, the bush is given an elastic radial flexibility, which makes it possible to use the bushing for inserting different transverse dimensioning pistons and / or piston rings in the cylinder bores which also have different diameters.

Mit der Erfindung ist demgemäß eine gattungsgemäße Buchse ge­ schaffen, die mit einfachen Maßnahmen zur Anwendung bei unter­ schiedliche Durchmesser besitzenden Kolben und/oder Kolbenringen optimiert ist, so daß der bisherige große Aufwand an unterschied­ lich dimensionierten Buchsen vermieden ist.With the invention is accordingly a generic socket ge create that with simple measures to apply to under pistons and / or piston rings with different diameters is optimized so that the previous great effort in difference Lich dimensioned bushings is avoided.

Claims (2)

1. Trichterähnliche Buchse zum Einsetzen eines ersten Bauteils nach Art eines mit Kolbenringen bestückten Kolbens in eine Ausnehmung eines zweiten Bauteils nach Art einer Zylinderboh­ rung eines Zylinderblocks einer Hubkolben-Brennkraftmaschine, dadurch gekennzeichnet, daß die Buchse (1) mit im wesentli­ chen achsparallel verlaufenden Schlitzen (4, 5) zur Erzeugung einer radialen elastischen Aufweitbarkeit versehen ist.1. funnel-like bushing for inserting a first component in the manner of a piston equipped with piston rings into a recess of a second component in the manner of a cylinder bore of a cylinder block of a reciprocating piston internal combustion engine, characterized in that the bushing ( 1 ) has slots which are essentially parallel to the axis ( 4 , 5 ) is provided for generating a radial elastic expandability. 2. Buchse nach Anspruch 1, dadurch gekennzeichnet, daß in wech­ selnder Folge Schlitze (4, 5) von entgegengesetzten Enden der Buchse (1) ausgehen und sich in einem mittleren axialen Be­ reich derselben überdecken.2. Socket according to claim 1, characterized in that in alternating sequence slots ( 4 , 5 ) from opposite ends of the socket ( 1 ) extend and overlap them in a central axial region.
DE19924216564 1991-06-03 1992-05-20 Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis Ceased DE4216564A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19924216564 DE4216564A1 (en) 1991-06-03 1992-05-20 Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4118093 1991-06-03
DE19924216564 DE4216564A1 (en) 1991-06-03 1992-05-20 Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis

Publications (1)

Publication Number Publication Date
DE4216564A1 true DE4216564A1 (en) 1992-12-10

Family

ID=25904189

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19924216564 Ceased DE4216564A1 (en) 1991-06-03 1992-05-20 Bush to facilitate assembly of pistons in cylinders - has tapered dia. with slits from both ends parallel to major axis

Country Status (1)

Country Link
DE (1) DE4216564A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784043A1 (en) * 1998-10-02 2000-04-07 Renault METHOD AND DEVICE FOR MOUNTING A CONNECTING ROD-PISTON ASSEMBLY IN A CYLINDER HOUSING
EP0940579A3 (en) * 1998-03-03 2003-10-29 Kabushiki Kaisha Toyota Jidoshokki Assembly of pistons in a swash-plate refrigerant compressor
FR2998500A1 (en) * 2012-11-26 2014-05-30 Peugeot Citroen Automobiles Sa DEVICE FOR FACILITATING THE INTRODUCTION OF A PISTON WITH ITS SEGMENTS IN A CYLINDER OF A MOTOR VEHICLE
CN104708587A (en) * 2013-12-23 2015-06-17 潍坊昌大建设集团有限公司 Assembly technique for lifting hydraulic cylinder piston

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0940579A3 (en) * 1998-03-03 2003-10-29 Kabushiki Kaisha Toyota Jidoshokki Assembly of pistons in a swash-plate refrigerant compressor
FR2784043A1 (en) * 1998-10-02 2000-04-07 Renault METHOD AND DEVICE FOR MOUNTING A CONNECTING ROD-PISTON ASSEMBLY IN A CYLINDER HOUSING
WO2000020163A1 (en) * 1998-10-02 2000-04-13 Renault Method for fitting a cylinder assembly into a cylinder housing
US6687993B1 (en) 1998-10-02 2004-02-10 Renault Method for fitting a cylinder assembly into a cylinder housing
FR2998500A1 (en) * 2012-11-26 2014-05-30 Peugeot Citroen Automobiles Sa DEVICE FOR FACILITATING THE INTRODUCTION OF A PISTON WITH ITS SEGMENTS IN A CYLINDER OF A MOTOR VEHICLE
WO2014080125A3 (en) * 2012-11-26 2015-08-06 Peugeot Citroen Automobiles Sa Device for facilitating the insertion of a piston with the segments thereof into a cylinder of a vehicle engine
CN104708587A (en) * 2013-12-23 2015-06-17 潍坊昌大建设集团有限公司 Assembly technique for lifting hydraulic cylinder piston
CN104708587B (en) * 2013-12-23 2017-04-26 潍坊昌大建设集团有限公司 Assembly technique for lifting hydraulic cylinder piston

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8131 Rejection