EP0123013A1 - Buffer housing, especially for railway vehicles - Google Patents

Buffer housing, especially for railway vehicles Download PDF

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Publication number
EP0123013A1
EP0123013A1 EP84100268A EP84100268A EP0123013A1 EP 0123013 A1 EP0123013 A1 EP 0123013A1 EP 84100268 A EP84100268 A EP 84100268A EP 84100268 A EP84100268 A EP 84100268A EP 0123013 A1 EP0123013 A1 EP 0123013A1
Authority
EP
European Patent Office
Prior art keywords
housing
housing part
base plate
buffer
outer housing
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
Application number
EP84100268A
Other languages
German (de)
French (fr)
Other versions
EP0123013B1 (en
Inventor
Jürgen Dipl.-Ing. Wassenhoven
Wilfried Ing.Grad. Kreutzer
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.)
Ringfeder GmbH
Original Assignee
Ringfeder 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 Ringfeder GmbH filed Critical Ringfeder GmbH
Priority to AT84100268T priority Critical patent/ATE23493T1/en
Publication of EP0123013A1 publication Critical patent/EP0123013A1/en
Application granted granted Critical
Publication of EP0123013B1 publication Critical patent/EP0123013B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/18—Details

Definitions

  • the invention relates to a buffer housing, in particular for rail vehicles, consisting of two telescoping housing parts which are each provided with a base plate at their ends facing away from one another.
  • the invention is therefore based on the object to design a buffer housing of the generic type so that the buffer spring is effectively protected from water.
  • This object is achieved in that the outer housing part in the end area facing away from its base plate contains a circumferential recess which substantially widens the inner lateral surface of the outer housing part and has an opening in the region of its lower apex line for the drainage of water that has passed behind the recess.
  • the opening of the outer housing part is arranged in the region of the telescopic guide of the two housing parts.
  • the drawing shows a buffer housing in longitudinal section through the vertical center plane.
  • the buffer housing is intended for a buffer spring designed, for example, as a friction spring or as a hydraulically operating device.
  • the housing consists of an outer housing part 1 with a base plate la, which are connected to one another by screws 3 with the arrangement of a sealing ring 4, and furthermore from an inner housing part 2 with a base plate 2a formed thereon.
  • the two housing parts 1 and 2 are telescopically guided into one another under the existence of a gap 6 and are fixed against the direction of impact by a retaining ring which, for this purpose, engages in a groove 2b of the inner housing part 2 and bears against a stop collar le of the outer housing part 1.
  • the outer housing part 1 contains in the end area facing away from its base plate la a circumferential, in the present example cylindrical recess lc.
  • the inner lateral surface lb of the outer housing part 1 and thus the gap 6 existing between the housing parts 1 and 2 are substantially expanded, with the favorable consequences that water flowing onto the buffer housing does not wet the entire gap 6 and during the return stroke of the buffer housing - because of the reduced flow velocity of the air through the recess lc at the gap 6 - significantly less water is sucked in.
  • the water portion which is nevertheless sucked in flows unhindered through an opening ld of the outer housing part 1 in the lower apex region of the telescopic guide, that is to say even before it enters the interior of the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Fluid-Damping Devices (AREA)
  • Body Structure For Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

1. A buffer housing, especially for railway vehicles, comprising two housing parts (1 and 2) which are telescopically guided one inside the other and which are each provided at their ends remote from one another with a base plate (1a and 2a respectively), a continuous gap (6) within the limit of customary manufacturing tolerances being present inside the telescopic guide of the housing parts (1 and 2), characterized in that in its end region remote from its base plate (1a) the outer housing part (1) contains a continuous recess (1c) which substantially enlarges the internal generated surface (1b) of the outer housing part (1) and hence the gap (6), and in its lower zenith region it comprises an opening (1d) for the discharge of water which has penetrated behind the recess (1c).

Description

Die Erfindung betrifft ein Puffergehäuse, insbesondere für Schienenfahrzeuge, bestehend aus zwei teleskopartig ineinander geführten Gehäuseteilen, die an ihren voneinander abgewandten Enden jeweils mit einer Grundplatte versehen sind.The invention relates to a buffer housing, in particular for rail vehicles, consisting of two telescoping housing parts which are each provided with a base plate at their ends facing away from one another.

In ungünstigen Einbaufällen - beispielsweise bei starkem Wasseranfall vom Fahrzeugdach her - kann in Puffergehäuse der gattungsgemäßen Art durch den fertigungsbedingten Spalt zwischen den beiden Gehäuseteilen Wasser in das Gehäuse eindringen und über Zeit die Funktion der Pufferfeder beeinträchtigen. Zwischen den Gehäuseteilen angeordnete Dichtungsmittel erbringen zwar eine gewisse Abhilfe, können aber nicht verhindern, daß direkt auf das Gehäuse fließendes Wasser beim Rückhub des Puffers angesaugt wird. Diese Saugwirkung entsteht durch Luftströmungen in dem besagten Spalt.In unfavorable installation cases - for example, in the event of heavy water accumulation from the vehicle roof - in buffer housings of the generic type, water can penetrate into the housing through the production-related gap between the two housing parts and impair the function of the buffer spring over time. Sealing means arranged between the housing parts provide a certain remedy, but cannot prevent water flowing directly onto the housing from being sucked in when the buffer is returned. This suction effect is caused by air currents in said gap.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, ein Puffergehäuse der gattungsgemäßen Art so zu gestalten, daß die Pufferfeder vor Wasser.wirksam geschützt ist. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das äußere Gehäuseteil in dem von seiner Grundplatte abgewandten Endbereich eine umlaufende, die innere Mantelfläche des äußeren Gehäuseteils wesentlich erweiternde Ausnehmung enthält und im Bereich seiner unteren Scheitellinie eine Öffnung zum Abfließen von hinter die Ausnehmung gelangtem Wasser aufweist.The invention is therefore based on the object to design a buffer housing of the generic type so that the buffer spring is effectively protected from water. This object is achieved in that the outer housing part in the end area facing away from its base plate contains a circumferential recess which substantially widens the inner lateral surface of the outer housing part and has an opening in the region of its lower apex line for the drainage of water that has passed behind the recess.

Nach einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, daß die Öffnung des äußeren Gehäuseteils im Bereich der teleskopartigen Führung der beiden Gehäuseteile angeordnet ist.According to a preferred embodiment of the invention it is provided that the opening of the outer housing part is arranged in the region of the telescopic guide of the two housing parts.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Die Zeichnung zeigt ein Puffergehäuse im Längsschnitt durch die vertikale Mittenebene.An embodiment of the invention is shown in the drawing and will be described in more detail below. The drawing shows a buffer housing in longitudinal section through the vertical center plane.

Das Puffergehäuse gemäß Zeichnung ist für eine beispielsweise als Reibungsfeder oder als hydraulisch arbeitende Vorrichtung ausgebildete Pufferfeder bestimmt. Das Gehäuse besteht aus einem äußeren Gehäuseteil 1 mit einer Grundplatte la, die unter Anordnung eines Dichtungsringes 4 durch Schrauben 3 miteinander verbunden sind, und weiter aus einem inneren Gehäuseteil 2 mit einer daran angeformten Grundplatte 2a. Die beiden Gehäuseteile 1 und 2 sind unter Bestehen eines Spaltes 6 teleskopartig ineinander geführt und gegen die Stoßrichtung durch einen Halterings festgelegt, der dazu in eine Nut 2b des inneren Gehäuseteils 2 eingreift und gegen einen Anschlagbund le des äußeren Gehäuseteils 1 anliegt.The buffer housing according to the drawing is intended for a buffer spring designed, for example, as a friction spring or as a hydraulically operating device. The housing consists of an outer housing part 1 with a base plate la, which are connected to one another by screws 3 with the arrangement of a sealing ring 4, and furthermore from an inner housing part 2 with a base plate 2a formed thereon. The two housing parts 1 and 2 are telescopically guided into one another under the existence of a gap 6 and are fixed against the direction of impact by a retaining ring which, for this purpose, engages in a groove 2b of the inner housing part 2 and bears against a stop collar le of the outer housing part 1.

Das äußere Gehäuseteil 1 enthält in dem von seiner Grundplatte la abgewandten Endbereich eine umlaufende, im vorliegenden Beispiel zylindrische Ausnehmung lc. Durch diese Ausnehmung lc werden die innere Mantelfläche lb des äußeren Gehäuseteiles 1 und damit der zwischen den Gehäuseteilen 1 und 2 bestehende Spalt 6 wesentlich erweitert, mit den günstigen Folgen,daß auf das Puffergehäuse fließendes Wasser nicht den gesamten Spalt 6 benetzt und beim Rückhub des Puffergehäuses - wegen der durch die Ausnehmung lc herabgesetzten Strömungsgeschwindigkeit der Luft am Spalt 6 - erheblich weniger Wasser angesaugt wird. Der dennoch angesaugte Wasseranteil fließt durch eine im unteren Scheitelbereich der teleskopartigen Führung befindliche Öffnung ld des äußeren Gehäuseteils 1, also noch vor Eintritt in den Gehäuseinnenraum, ungehindert ab.The outer housing part 1 contains in the end area facing away from its base plate la a circumferential, in the present example cylindrical recess lc. Through this Recess lc, the inner lateral surface lb of the outer housing part 1 and thus the gap 6 existing between the housing parts 1 and 2 are substantially expanded, with the favorable consequences that water flowing onto the buffer housing does not wet the entire gap 6 and during the return stroke of the buffer housing - because of the reduced flow velocity of the air through the recess lc at the gap 6 - significantly less water is sucked in. The water portion which is nevertheless sucked in flows unhindered through an opening ld of the outer housing part 1 in the lower apex region of the telescopic guide, that is to say even before it enters the interior of the housing.

Claims (2)

1. Puffergehäuse, insbesondere für Schienenfahrzeuge, bestehend aus zwei teleskopartig ineinander geführten Gehäuseteilen (1 und 2), die an ihren voneinander abgewandten Enden jeweils mit einer Grundplatte (la bzw. 2a) versehen sind, dadurch gekennzeichnet, daß das äußere Gehäuseteil (1) in dem von seiner Grundplatte (la) abgewandten Endbereich eine umlaufende, die innere Mantelfläche (lb) des äußeren Gehäuseteils (1) wesentlich erweiternde Ausnehmung (lc) enthält und im Bereich seiner unteren Scheitellinie eine Öffnung (ld) zum Abfließen von hinter die Ausnehmung (lc) gelangtem Wasser aufweist.1. buffer housing, in particular for rail vehicles, consisting of two telescopically guided housing parts (1 and 2), which are provided at their ends facing away from each other with a base plate (la or 2a), characterized in that the outer housing part (1) In the end region facing away from its base plate (la), there is a circumferential recess (lc) which substantially widens the inner lateral surface (lb) of the outer housing part (1) and in the region of its lower apex line there is an opening (ld) for draining from behind the recess lc) has reached water. 2. Puffergehäuse nach Anspruch 1, dadurch gekennzeichnet, daß die Öffnung (ld) des äußeren Gehäuseteils (1) im Bereich der teleskopartigen Führung der beiden Gehäuseteile (1 und 2) angeordnet ist.2. Buffer housing according to claim 1, characterized in that the opening (ld) of the outer housing part (1) is arranged in the region of the telescopic guide of the two housing parts (1 and 2).
EP84100268A 1983-04-26 1984-01-12 Buffer housing, especially for railway vehicles Expired EP0123013B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84100268T ATE23493T1 (en) 1983-04-26 1984-01-12 BUFFER HOUSING, ESPECIALLY FOR RAIL VEHICLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833314982 DE3314982A1 (en) 1983-04-26 1983-04-26 BUFFER HOUSING, ESPECIALLY FOR RAIL VEHICLES
DE3314982 1983-04-26

Publications (2)

Publication Number Publication Date
EP0123013A1 true EP0123013A1 (en) 1984-10-31
EP0123013B1 EP0123013B1 (en) 1986-11-12

Family

ID=6197333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100268A Expired EP0123013B1 (en) 1983-04-26 1984-01-12 Buffer housing, especially for railway vehicles

Country Status (4)

Country Link
EP (1) EP0123013B1 (en)
AT (1) ATE23493T1 (en)
DD (1) DD231050A1 (en)
DE (2) DE3314982A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19619213C2 (en) * 1996-05-13 2000-03-09 Eisenbahntech Halberstadt Gmbh Buffers, especially sleeve buffers for rail vehicles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191128319A (en) * 1911-12-16 1912-12-12 George Turton Platts And Compa Improvements in Buffers for Railway, Tramway, and the like Vehicles.
DE429605C (en) * 1926-05-31 Fried Krupp Akt Ges Railway shell buffer
GB411968A (en) * 1933-02-03 1934-06-21 George Spencer Moulton & Co Improvements in and relating to buffers for railway and like vehicles
FR2489231A1 (en) * 1980-09-03 1982-03-05 Sambre & Meuse Usines Shock absorbing railway buffer - has flexible restraint to damp movement combined with travel stop

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708367A1 (en) * 1977-02-26 1978-09-14 Ringfeder Gmbh Cylinder buffer for rail vehicle - uses slotted narrow ring to assemble housing half shells which define spring retainer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429605C (en) * 1926-05-31 Fried Krupp Akt Ges Railway shell buffer
GB191128319A (en) * 1911-12-16 1912-12-12 George Turton Platts And Compa Improvements in Buffers for Railway, Tramway, and the like Vehicles.
GB411968A (en) * 1933-02-03 1934-06-21 George Spencer Moulton & Co Improvements in and relating to buffers for railway and like vehicles
FR2489231A1 (en) * 1980-09-03 1982-03-05 Sambre & Meuse Usines Shock absorbing railway buffer - has flexible restraint to damp movement combined with travel stop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19619213C2 (en) * 1996-05-13 2000-03-09 Eisenbahntech Halberstadt Gmbh Buffers, especially sleeve buffers for rail vehicles

Also Published As

Publication number Publication date
DD231050A1 (en) 1985-12-18
DE3314982A1 (en) 1984-10-31
DE3461262D1 (en) 1987-01-02
EP0123013B1 (en) 1986-11-12
ATE23493T1 (en) 1986-11-15

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