EP0641703B1 - Securing of a socket on to an air duct - Google Patents
Securing of a socket on to an air duct Download PDFInfo
- Publication number
- EP0641703B1 EP0641703B1 EP94112619A EP94112619A EP0641703B1 EP 0641703 B1 EP0641703 B1 EP 0641703B1 EP 94112619 A EP94112619 A EP 94112619A EP 94112619 A EP94112619 A EP 94112619A EP 0641703 B1 EP0641703 B1 EP 0641703B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bore
- air line
- sleeve
- head housing
- spring
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
- B61G5/08—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for fluid conduits
Definitions
- the invention relates to securing an air line sleeve according to the preamble of the claim.
- Such air line sleeves are used in main and brake air line systems of central buffer couplings. In operation, it has repeatedly occurred that sleeves have fallen out of their holder due to twisting and, as a result, and as a result of the loss of further line parts held together by the sleeve in a bore, malfunctions occurred.
- Known safety measures to prevent losses include screwing flanges in front of the air line sleeves or using a screw, washer and specially made thread to block a groove in the coupling head housing for inserting protrusions or knobs on a muffer.
- the common feature of these known fuses is that they not only require additional material, but are also time-consuming due to the additional screwing work to be carried out during assembly and disassembly. Add to this the effort for necessary preparatory work, such as. B. the production of a thread or as required for the assembly of the flange, the preparation of the end face of the coupling head housing by milling to accommodate the flange to save space.
- the invention is therefore based on the object of providing protection against twisting or the loss of the air line sleeve, in particular on a main or brake air line of a coupling head housing of a central buffer coupling, which requires as little material as possible, which is quick and easy to assemble or disassemble and in particular can be used without additional manufacturing outlay for all new couplings to be manufactured or without further conversion work for all air line sleeves already in use on coupling head housings of central buffer couplings.
- the solution according to the invention provides a simple, cheap and effective safeguard against the loss of air line sleeves and other parts by restricting the possibility of twisting the sleeve by blocking it in the bore.
- the spring element used for securing which is easy and simple to produce and has two functional elements, is clamped on the same groove through which it has been inserted into a free space in the bore. It does not hinder the longitudinal mobility of the sleeve, which remains movable against the force of the spring.
- the spring element can be used on new and already in use middle buffer couplings without further ado because it is adapted to existing design features.
- FIG. 1 shows an air conduit sleeve 2 secured with a spring element 1, which is located in a bore 3 and protrudes in front of the coupling head housing 4.
- the bore 3 extends into a connector 5 which is fastened to the coupling head housing 4 by means of bolts 6 and nuts 7 and which contains the continuation of the air line 8.
- a helical spring 9 having a square profile and a double-walled sealing tube 10 which seals the transition from the air line 8 to the air line sleeve 2 and is enclosed by the helical spring 9 (FIG. 2).
- the helical spring 9 is supported on the one hand in a guide section 11 of the bore 3 located in the connecting piece 5 and on the other hand presses against the air conduit sleeve 2, which bears with two projections or knobs 12 on a collar 13 in the partially narrowed bore 3 and out of the coupling head housing 4 stands out.
- the collar 13 there are two grooves 14, which serve as a guide for the projections or lugs 12, by means of which the air conduit sleeve 2 is inserted from outside into the narrowed section of the bore 3. Behind the collar 13, the projections or lugs 12 pass over into the enlarged section of the bore 3, so that the sleeve 2 can be rotated and the projections or lugs 12 come into contact with the collar 13 by the force of the coil spring 9.
- the spring element 1 is shown in the gap 15, which is annular because of the bore diameter, above the sleeve 2 and coil spring 9.
- the sleeve 2 contains a sealing ring 16 which is inserted in the section of the sleeve 2 protruding in front of the coupling head housing 4 and protrudes somewhat for sealing purposes.
- the part of the spring element 1 designed as a spring leg 1a is threaded through a groove 14 from outside the bore 3 into the annular gap 15 between the coil spring 9 and the coupling head housing 4.
- the shorter locking bracket 1b of the spring element 1 is also pressed into the groove 14, where it engages after further insertion after the spring leg 1a has jammed in the rear guide section 11 of the bore 3.
- the locking bracket 1b is pressed further with the aid of a suitable tool into the annular gap 15 to behind the collar 13, where it can be pushed aside.
- the sleeve 2 can then be rotated again until its projections or lugs 12 are in front of the grooves 15, so that the sleeve 2 can be pulled out of the bore 3.
- the coil spring 9, the sealing tube 10 and the spring element 1 can also be easily dismantled.
Description
Die Erfindung betrifft die Sicherung einer Luftleitungsmuffe nach dem Oberbegriff des Patentanspruches.The invention relates to securing an air line sleeve according to the preamble of the claim.
Derartige Luftleitungsmuffen sind bei Haupt- sowie Bremsluftleitungssystemen von Mittelpufferkupplungen im Einsatz. Im Betrieb ist es wiederholt vorgekommen, daß Muffen durch Verdrehen aus ihrer Halterung gefallen sind und dadurch sowie durch den Verlust weiterer von der Muffe in einer Bohrung zusammengehaltener Leitungsteile Betriebsstörungen auftraten.Such air line sleeves are used in main and brake air line systems of central buffer couplings. In operation, it has repeatedly occurred that sleeves have fallen out of their holder due to twisting and, as a result, and as a result of the loss of further line parts held together by the sleeve in a bore, malfunctions occurred.
Bekannte Sicherungsmaßnahmen zum Verhindern der Verluste sehen vor, Flansche vor die Luftleitungsmuffen zu schrauben oder mittels Schraube, Scheibe und speziell gefertigtem Gewinde eine Nut im Kuppelkopfgehäuse für das Einführen von an einer Muffer befindlichen Vorsprüngen oder Knaggen zu blockieren. Das gemeinsame Merkmal dieser bekannten Sicherungen ist, daß Sie nicht nur zusätzliches Material erfordern, sondern auch durch die bei der Montage und Demontage zusätzlich zu verrichtende Schraubarbeit zeitaufwendig sind. Hinzu kommt der Aufwand für notwendige Vorbereitungsarbeiten, wie z. B. das Herstellen eines Gewindes oder wie bei der Montage des Flansches erforderlich, das Herrichten der Stirnfläche des Kuppelkopfgehäuses durch Fräsen, um den Flansch platzsparend unterzubringen.Known safety measures to prevent losses include screwing flanges in front of the air line sleeves or using a screw, washer and specially made thread to block a groove in the coupling head housing for inserting protrusions or knobs on a muffer. The common feature of these known fuses is that they not only require additional material, but are also time-consuming due to the additional screwing work to be carried out during assembly and disassembly. Add to this the effort for necessary preparatory work, such as. B. the production of a thread or as required for the assembly of the flange, the preparation of the end face of the coupling head housing by milling to accommodate the flange to save space.
Der Erfindung liegt somit die Aufgabe zugrunde, eine Sicherung gegen Verdrehen bzw. den Verlust der Luftleitungsmuffe, insbesondere an einer Haupt- oder Bremsluftleitung eines Kuppelkopfgehäuses einer Mittelpufferkupplung, vorzuschlagen, die möglichst wenig Material erfordert, die schnell und einfach zu montieren bzw. zu demontieren ist und insbesondere ohne zusätzlichen Herstellungsaufwand bei allen neu anzufertigenden Kupplungen bzw. ohne weitere Umrüstarbeiten bei allen bereits im Einsatz befindlichen Luftleitungsmuffen an Kuppelkopfgehäusen von Mittelpufferkupplungen eingesetzt werden kann.The invention is therefore based on the object of providing protection against twisting or the loss of the air line sleeve, in particular on a main or brake air line of a coupling head housing of a central buffer coupling, which requires as little material as possible, which is quick and easy to assemble or disassemble and in particular can be used without additional manufacturing outlay for all new couplings to be manufactured or without further conversion work for all air line sleeves already in use on coupling head housings of central buffer couplings.
Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Patentanspruches gelöst.This object is achieved with the features of the claim.
Durch die erfindungsgemäße Lösung ist eine einfache, billige und wirksame Sicherung gegen den Verlust von Luftleitungsmuffen und weiterer Teile gegeben, indem die Möglichkeit zum Verdrehen der Muffe durch Blockierung in der Bohrung eingeschränkt wird. Das zu Sicherung eingesetzte Federelement, das leicht und einfach herstellbar ist und zwei Funktionselemente aufweist, wird an derselben Nut, durch die es in einen Freiraum der Bohrung eingesetzt worden ist, verspannt. Es behindert die Längsbeweglichkeit der Muffe nicht, die weiterhin gegen die Kraft der Feder verschieblich bleibt.The solution according to the invention provides a simple, cheap and effective safeguard against the loss of air line sleeves and other parts by restricting the possibility of twisting the sleeve by blocking it in the bore. The spring element used for securing, which is easy and simple to produce and has two functional elements, is clamped on the same groove through which it has been inserted into a free space in the bore. It does not hinder the longitudinal mobility of the sleeve, which remains movable against the force of the spring.
Das Federelement kann an neuen sowie bereits im Betrieb befindlichen Mittelpufferkupplungen ohne weiteres eingesetzt werden, weil es an vorhandene Konstruktionsmerkmale angepaßt ist.The spring element can be used on new and already in use middle buffer couplings without further ado because it is adapted to existing design features.
Die Betriebs- und Funktionssicherheit der gesamten Kupplung, besonders die der Bremsleitungen, wird erheblich erhöht.The operational and functional safety of the entire clutch, especially that of the brake lines, is considerably increased.
Ein Ausführungsbeispiel der Erfindung ist schematisch in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown schematically in the drawing and is described in more detail below.
Es zeigen:
- Fig. 1
- Eine Draufsicht auf eine Luftleitungsmuffe mit erfindungsgemäßer Sicherung in einer im Schnitt dargestellten Bohrung an Kuppelkopfgehäuse und Anschlußstück einer Mittelpufferkupplung;
- Fig. 2
- Eine Seitenansicht im Teilschnitt gemäß der Linie II-II in Fig. 1.
- Fig. 1
- A plan view of an air line sleeve with fuse according to the invention in a bore shown in section on the dome head housing and connector of a central buffer coupling;
- Fig. 2
- A side view in partial section along the line II-II in Fig. 1st
Figur 1 zeigt eine mit einem Federelement 1 gesicherte Luftleitungsmuffe 2, die in einer Bohrung 3 befindlich, vor das Kuppelkopfgehäuse 4 vorsteht. Die Bohrung 3 erstreckt sich bis in ein Anschlußstück 5, das mittels Bolzen 6 und Muttern 7 an dem Kuppelkopfgehäuse 4 befestig ist und das die Fortsetzung der Luftleitung 8 enthält. In der Bohrung 3 befinden sich außerdem eine ein Vierkantprofil aufweisende Schraubenfeder 9 und ein doppelwandiges Dichtungsrohr 10, welches den Übergang von der Luftleitung 8 zur Luftleitungsmuffe 2 abdichtet und von der Schraubenfeder 9 umschlossen wird (Fig. 2). Die Schraubenfeder 9 stützt sich einerseits in einem in dem Anschlußstück 5 gelegenen Führungsabschnitt 11 der Bohrung 3 ab und drückt andererseits gegen die Luftleitungsmuffe 2, die mit zwei Vorsprüngen oder Knaggen 12 an einem Bund 13 in der teilweise verengten Bohrung 3 anliegt und aus dem Kuppelkopfgehäuse 4 heraussteht.FIG. 1 shows an air conduit sleeve 2 secured with a
Im Bund 13 befinden sich zwei Nuten 14, die als Führung für die Vorsprünge oder Knaggen 12 dienen, mittels derer die Luftleitungsmuffe 2 von außerhalb in den verengten Abschnitt der Bohrung 3 eingeführt wird. Hinter dem Bund 13 treten die Vorsprünge oder Knaggen 12 in den erweiterten Abschnitt der Bohrung 3 über, so daß die Muffe 2 verdreht werden kann und die Vorsprünge oder Knaggen 12 durch die Kraft der Schraubenfeder 9 an dem Bund 13 zur Anlage kommen.In the
In Figur 2 ist das Federelement 1 im Spalt 15, der wegen des Bohrungsdurchmessers ringförmig ist, oberhalb von Muffe 2 und Schraubenfeder 9 abgebildet. Die Muffe 2 enthält einen Dichtungsring 16, der im vor das Kuppelkopfgehäuse 4 vorstehenden Abschnitt der Muffe 2 eingelegt ist und zu Dichtzwecken etwas vorsteht.In Figure 2, the
Zur Montage der Sicherung wird der als Federschenkel 1a ausgebildete Teil des Federelementes 1 durch eine Nut 14 von außerhalb der Bohrung 3 in den Ringspalt 15 zwischen Schraubenfeder 9 und Koppelkopfgehäuse 4 eingefädelt. Der kürzere Arretierungsbügel 1b des Federelementes 1 wird ebenfalls in die Nut 14 gepreßt, wo er nach weiterem Einschieben einrastet, nachdem sich der Federschenkel 1a im hinteren Führungsabschnitt 11 der Bohrung 3 verklemmt hat. Nach der Montage des Federelementes 1 bleibt die Beweglichkeit der Muffe 2 in der Bohrung 3 insofern gewahrt, als die Muffe 2 zwar frei einpuffern kann, jedoch ein Verdrehen nur bis zur Anlage der Vorsprünge oder Knaggen 12 an den Arretierungsbügel 1b des Federelementes 1 möglich ist.To mount the fuse, the part of the
Zur Demontage des Federelementes 1 wird der Arretierungsbügel 1b unter Zuhilfenahme eines geeigneten Werkzeuges weiter in den Ringspalt 15 bis hinter den Bund 13 eingedrückt, wo er zur Seite geschoben werden kann. Anschließend kann die Muffe 2 wieder so weit gedreht werden, bis deren Vorsprünge oder Knaggen 12 vor den Nuten 15 stehen, so daß die Muffe 2 aus der Bohrung 3 herausziehbar ist. Nach dem Entfernen der Muffe 2 lassen sich auch Schraubenfeder 9, Dichtungsrohr 10 sowie das Federelement 1 einfach demontieren.To dismantle the
- 11
- FederelementSpring element
- 1a1a
- Federschenkel des FederelementesSpring leg of the spring element
- 1b1b
- Arretierungsbügel des FederelementesLocking bracket of the spring element
- 22nd
- LuftleitungsmuffeAir line sleeve
- 33rd
- Bohrungdrilling
- 44th
- KuppelkopfgehäuseDome head housing
- 55
- AnschlußstückConnector
- 66
- Bolzenbolt
- 77
- Muttermother
- 88th
- LuftleitungAir duct
- 99
- Spiralfeder mit VierkantprofilSpiral spring with square profile
- 1010th
- Dichtungsrohr, doppelwandigSealing tube, double-walled
- 1111
- Führungsabschnitt im AnschlußstückGuide section in the connector
- 1212th
- Vorsprung oder Knagge der Luftleitungsmuffe 2Projection or lug of the air duct sleeve 2
- 1313
-
Bund der Bohrung 3Bundle of
hole 3 - 1414
- NutGroove
- 1515
- RingspaltAnnular gap
- 1616
- DichtungsringSealing ring
Claims (1)
- Retainer for an air line coupling sleeve, in particular an air line coupling sleeve on a main or brake air line of a coupling head housing of a central buffer coupling in which the coupling sleeve can be inserted in a bore from the front face of the coupling head housing and on its external surface exhibits projections for the purpose of guidance in grooves which are located in a flange of the bore located on the front face side, and locking is effected by rotation behind the flange in a widened part of the bore in which an annular gap exists between the coupling head housing and a coil spring located in the bore, the coupling sleeve being capable of being pushed into the interior of the bore hole against the force of the coil spring and continuously bearing sealingly on a sealing pipe surrounded by the coil spring, characterised in that a spring element (1) which exhibits an S-shape and consists of a longer spring leg (1a) and a shorter curved locking part (1b), can be inserted into the annular gap (15) through one of the grooves (14), is clamped with its spring leg (1a) partly in the locating portion (11) of the coil spring (9) and is braced so that it cannot move with its curved locking part (1b) in the groove (14) through which it can be inserted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4329764 | 1993-09-03 | ||
| DE4329764A DE4329764C1 (en) | 1993-09-03 | 1993-09-03 | Air-pipe socket locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0641703A1 EP0641703A1 (en) | 1995-03-08 |
| EP0641703B1 true EP0641703B1 (en) | 1996-06-12 |
Family
ID=6496753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94112619A Expired - Lifetime EP0641703B1 (en) | 1993-09-03 | 1994-08-12 | Securing of a socket on to an air duct |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0641703B1 (en) |
| AU (1) | AU676589B2 (en) |
| DE (2) | DE4329764C1 (en) |
| ES (1) | ES2091074T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE525525C2 (en) * | 2003-07-14 | 2005-03-08 | Dellner Couplers Ab | Leash head for vehicle leash |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1417433A (en) * | 1920-03-24 | 1922-05-23 | Willie F Wall | Automatic hose coupling |
| US1918685A (en) * | 1931-05-04 | 1933-07-18 | Cons Connector Patent Corp | Gasket for train pipe conduits |
| DE1605197A1 (en) * | 1966-03-23 | 1971-03-18 | Mini Verkehrswesen | Extendable pipe for a power coupling coupled with an automatic central buffer coupling |
| FR2658899B1 (en) * | 1990-02-28 | 1992-07-03 | Autobrevets | DEVICE FOR AUTOMATIC COUPLING AND LOCKING OF TWO COAXIAL TUBES. |
-
1993
- 1993-09-03 DE DE4329764A patent/DE4329764C1/en not_active Expired - Fee Related
-
1994
- 1994-08-12 EP EP94112619A patent/EP0641703B1/en not_active Expired - Lifetime
- 1994-08-12 ES ES94112619T patent/ES2091074T3/en not_active Expired - Lifetime
- 1994-08-12 DE DE59400351T patent/DE59400351D1/en not_active Expired - Lifetime
- 1994-09-01 AU AU71635/94A patent/AU676589B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU676589B2 (en) | 1997-03-13 |
| AU7163594A (en) | 1995-03-16 |
| DE4329764C1 (en) | 1994-07-07 |
| DE59400351D1 (en) | 1996-07-18 |
| EP0641703A1 (en) | 1995-03-08 |
| ES2091074T3 (en) | 1996-10-16 |
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