EP3969347A1 - Elektrozugkupplungssteckkontakt, elektrozugkupplungshälfte mit einem elektrozugkupplungssteckkontakt, elektrozugkupplung sowie zugkupplungshälfte und zugkupplung - Google Patents
Elektrozugkupplungssteckkontakt, elektrozugkupplungshälfte mit einem elektrozugkupplungssteckkontakt, elektrozugkupplung sowie zugkupplungshälfte und zugkupplungInfo
- Publication number
- EP3969347A1 EP3969347A1 EP20715029.3A EP20715029A EP3969347A1 EP 3969347 A1 EP3969347 A1 EP 3969347A1 EP 20715029 A EP20715029 A EP 20715029A EP 3969347 A1 EP3969347 A1 EP 3969347A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plug
- socket
- coupling
- pull coupling
- cover element
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
-
- 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
- B61G5/10—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for electric cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
- H01R13/4538—Covers sliding or withdrawing in the direction of engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- Electric pull coupling plug contact electric pull coupling half with an electric pull coupling plug contact, electric pull coupling and
- the present invention relates to an electric pull coupling half with at least one electrically conductive plug and / or with at least one electrically conductive socket, furthermore an electric pull coupling half with such an electric pull coupling plug contact, an electric pull coupling with two such electric pull coupling halves, a pull coupling half with at least one electric pull coupling half and a pulling half coupling .
- Rail vehicles as it relates to the present invention in the broader sense, have, in addition to a mechanical coupling, an electrical coupling and usually an air coupling between the wagons to be coupled or coupled with one another, so that on the one hand mechanical tensile and compressive forces can be transmitted between the wagons and on the other hand, the car can be supplied with electrical power and in particular with compressed air.
- the couplings accordingly have two coupling halves, with the mechanical coupling with coupling devices for the transmission of the tensile and compressive forces and with the electric pull coupling
- Electric pull coupling plug contacts for establishing an electrically conductive connection between the electric pull coupling halves. It is important that the electrically conductive components are protected from undesired external contact, for example by an operator, not only in the coupled state but also in the uncoupled state. Such protection against accidental contact is conventionally achieved with a flap which covers the electrical plug-in contacts in the uncoupled state of the electrical pulling coupling and which swivels to the side during coupling must become. The flap also protects the area of the electrical plug contacts from dirt, dust and moisture.
- the electric pull coupling halves can be provided in their own housing, as disclosed in EP 2 505 450 A1, for example. Measures can be taken to relate the protective flap connected to the housing with the aid of a simple mechanism
- EP 1 741 611 B1 discloses another electric pull coupling half in which, in the uncoupled state, a protective flap provides access to the
- connection elements or contacts of the so-called cable coupling Covers connection elements or contacts of the so-called cable coupling.
- the kinematic conditions when opening and closing the protective flap should be improved and a robust and reliable covering of the connection elements should be ensured.
- EP 1 186 506 B1 discloses a coupling head for a rigid, automatic central buffer coupling of rail vehicles, with a coupling pocket being arranged between a large coupling claw and a small coupling claw, the cross section of which is adapted to the cross section of the small coupling claw, and the coupling pocket for guide surfaces that are parallel to one another Has guide surfaces of the small coupling claw and a coupling pocket bottom as an abutment for a support surface of the small coupling claw and an electrical coupling is provided in the coupling head, which consists of a plug part and a socket part, the socket part in the small coupling claw or the large Coupling claw and the plug part is arranged in the large coupling claw or small coupling claw, and wherein the socket part is fixedly mounted in the small or large coupling claw and the plug part is longitudinally movable and spring-loaded in the large or small coupling claw.
- the socket part can have one or more socket bodies in which sleeve-shaped socket contacts are formed which are covered by a seal that leaves the socket contacts exposed, the socket part having free spaces behind socket bodies for the absorption of dirt from the socket contacts and the plug contacts when coupling the socket contacts penetrate and push adhering dirt into the space provided.
- a spring-loaded cover is mounted displaceably in the housing of the plug part and covers the air space in which the plug contacts are arranged via an elastic seal with cover access openings. During coupling, the cover presses the seal against the socket parts and compresses the air space so that the escaping air cleans the contact area of the coupling point from dirt.
- the disadvantage of the known embodiments is that by providing the cover arranged on a housing as a cover element for the electrical contacts and by the kinematics required for the cover that moves the cover during coupling, the structural design of the electrical pull coupling is complicated and also the risk of a Insufficient sealing against unwanted access from outside and / or against the ingress of dust, dirt and moisture.
- the present invention is based on the object of specifying an electric pull coupling plug contact with at least one electrically conductive plug and / or with at least one electrically conductive socket for use in an electric pull coupling half, in which, on the one hand, reliable protection against contact and, in particular, protection against the Penetration of dust, dirt and moisture is given and on the other hand has a particularly simple and reliable kinematics and a simplified structural design.
- the Elektrozugkupplungssteckutton invention has at least one electrically conductive plug and / or at least one electrically conductive socket, as well as an electrically insulating the plug and / or the socket in the circumferential direction enclosing sleeve, which has a plug opening positioned at the end of the plug and / or the socket.
- a cover element is provided which closes the plug-in opening in the uncoupled state of the electrical pull coupling plug contact. The cover element is then positioned at the end of the plug and / or socket.
- the sleeve is displaceable along the cover element and along the plug and / or the cover element is displaceable along the sleeve and along the socket, in each case by an electrical contact surface that extends in an axial direction on the outside of the plug or on the inside of the socket Release connector or socket.
- the sleeve is accordingly displaceable along the cover element and along the plug, the cover element preferably being stationary can be held to the plug.
- the cover element can be displaced along the sleeve and along the socket, in particular into the socket, in order to expose the inner electrical contact surface on the inside of the socket for electrical contact, whereas the embodiment with the plug, a section radially outward on an at least partially radially outwardly directed surface of the plug can be released for contacting by moving the sleeve.
- the contact protection is integrated directly into the area of the plug contact, i.e. in the area of the electrically conductive plug or in the area of the electrically conductive socket and can be attached to a pivotable flap, in particular a pivotable flap that folds away from a housing to the outside be waived.
- the electrical pull coupling plug contact is free of a cover element outside of a space which receives the electrically conductive plug or the electrically conductive socket and which is closed by the cover element resting against the sleeve.
- the cover element is preferably sealed against the sleeve in a dust-tight and / or water-tight manner.
- IP protection against dust in harmful quantities or dust-tight protection is achieved, as well as protection at least against splashing water from all sides (according to DIN EN 60529 in the version applicable on the filing date).
- the cover element has a sealing ring which rests radially on the inside on the sleeve and slides along the sleeve when the sleeve or the cover element is displaced.
- a sealing ring can not only the sleeve but also the electrical contact surface of the Paint over the electrically conductive socket during the coupling process and clean it in the process. This applies both to the sealing ring of the cover element assigned to the plug and to the sealing ring of the cover element assigned to the socket. Both sealing rings can brush over and clean the electrical contact surface of the socket during the coupling process.
- the sealing ring can in particular be made of an elastically deformable material, for example silicone or an elastomer.
- the sealing ring preferably protrudes radially outward from the cover element and is, in particular, elastically bendable.
- Several sealing rings can also be provided one behind the other.
- the cover element is attached to the front side of the plug and is supported by it, in particular by a form fit and / or a force fit.
- the Elektrozugkupplungssteckutton is provided here in the embodiment with a plug.
- the cover element is preferably fastened to a support element extending inside the socket and is supported by this, in particular by a form fit and / or by a force fit.
- a corresponding cover element as explained, can also be provided and fastened for both in an embodiment of the electrical pull-type coupling plug contact with both at least one plug and at least one socket.
- the support element on which the cover element is fastened can preferably be designed to be displaceable into the socket together with the cover element in the axial direction of the socket against a spring force.
- the sleeve is preferably displaceable in the axial direction of the plug against a spring force along the plug in order to expose the electrical contact surface on the outside of the plug.
- the sleeve can be made in one piece, in particular in the case of its displaceable embodiment in an electric pull-type coupling plug contact with an electric plug.
- the sleeve can also be made in several parts, in particular when it is fixed in place in an electrical pull-type coupling plug contact with an electrical beech.
- the plug is preferably preloaded and displaceably mounted in the axial direction by means of a spring force.
- the spring force can be made available, for example, by a compression spring, which is provided in addition to a compression spring on which the sleeve can be supported.
- the sleeve can be made of plastic.
- the electrically insulating cover element is preferably made of plastic.
- An electric pull coupling plug contact according to the invention can be installed directly within the face plate of a pull coupling half or in a comparatively small, in particular rigid, housing that can be mounted on a coupling head, for example on the outer edge of the face plate. An additional drive for moving the housing can preferably be saved.
- An electric pull coupling half according to the invention has at least one electric pull coupling plug contact or a plurality of corresponding electric pull coupling plug contacts of the type shown. According to one embodiment, only electrical cable coupling plug contacts of the corresponding type, that is to say either only with at least one electrically conductive plug or only with at least one electrically conductive socket, are installed in one electric cable coupling half. According to an alternative embodiment, the electric pull coupling half is provided with at least one electric pull coupling plug contact with an electrically conductive plug and at least one electric pull coupling plug contact with an electrically conductive socket.
- a pull coupling half according to the invention has a mechanical coupling device which comprises an end plate and at least one coupling element, for example a funnel and / or a cone. Furthermore, at least one electric pull coupling half of the type shown is provided.
- the electric pull coupling half can be integrated with its at least one electric pull coupling plug contact in the end plate and correspondingly be positioned within an outer circumference of the end plate.
- the electric pull coupling half with its at least one electric pull coupling plug contact is in its own Housing provided outside of the end plate, the housing being arranged outside the outer circumference, but in particular on the outer circumference of the end plate.
- a pull coupling according to the invention has two pull coupling halves of the type shown.
- the housing can preferably be mounted on the tension coupling half in the pre-assembled state, that is to say with electrical tension coupling plug contacts already installed in it.
- the plug is preferably elastically pretensioned in the axial direction in an electrical pull-type coupling plug contact via a spring force, or is resiliently mounted. Additionally or alternatively, however, it is also possible to accordingly design an electrically conductive socket preloaded in the axial direction via a spring force, or to be resiliently supported.
- the plug can be provided in a stationary manner in the electrical pull coupling plug contact, that is to say without being supported by a spring element.
- FIG. 1 shows a side plan view and an axial section through two electrical pull-type coupling plug contacts which can be electrically contacted by being plugged into one another;
- FIG. 2 shows the electrical tension coupling plug contacts from FIG. 1 in a plugged-in, electrically contacted state, again in a lateral plan view and in an axial section;
- FIG. 3 shows a three-dimensional view of two pull coupling halves
- FIG. 4 shows a three-dimensional view of an electric pulling coupling half with its own housing which can be mounted on a pulling coupling.
- an electrically insulating sleeve 3 is provided, which the plug 1 and the socket 2 encloses in its / their circumferential direction.
- the sleeve 3 has a plug-in opening 4, which is positioned at the end of the plug 1 or the socket 2 and, in the uncoupled state of the electrical pull coupling plug contacts shown, is closed by an electrically insulating cover element 5.
- each electrically insulating cover element 5 has a sealing ring 6 which is made of an elastically deformable, in particular elastically bendable, material and, in addition to its sealing function, in the uncoupled state of the respective electrical cable coupling plug contact, the plug opening 4 is water-protected and dust-protected or watertight and to close in a dust-tight manner has a scraping function or wiping function, since it slides along the electrical contact surface 2.1 in the socket 2 when the electrical pull coupling plug contacts are coupled.
- the sleeve 3 slides along the cover element 5 and along the plug 1 and thereby exposes an electrical contact surface 1.1 on the outside of the plug 1.
- the cover element 5 slides along the sleeve 3 and along the socket 2 and thereby exposes an electrical contact surface 2.1 radially on the inside in the socket 2.
- a housing 16 is provided in each of the two electric pull-type coupling plug contacts shown.
- the sleeve 3 is mounted in the housing 16 such that it can be moved in the axial direction.
- the sleeve 3 is mounted in a stationary manner in the housing 16. The sleeve 3 could also form part of the housing 16, or vice versa.
- the plug 1 is mounted in the housing 16 so as to be elastically displaceable in the axial direction by means of a compression spring 15.
- the cover element 5 is arranged on the front side on the plug 1 and is carried by this.
- a form-fitting and / or force-fitting arrangement comes into consideration.
- the sleeve 3 is mounted in the housing 16 so as to be displaceable in the axial direction by means of an additional compression spring 17.
- the compression spring 17 causes when the electrical tension coupling plug contact is uncoupled that the sleeve 3 moves back beyond the free end of the plug 1 until the sleeve 3 comes into contact with the cover element 5 in order to close the plug-in opening 4 securely.
- the cover element 5 is mounted on a support element 7 or is supported by this, in particular likewise by means of a force fit and / or by means of a form fit.
- the support element 7 is mounted in the housing 16 so as to be displaceable in the axial direction against the force of a compression spring 18.
- the compression spring 18 has the effect that the cover element 5 in the axial direction when the electrical pull coupling plug contact is uncoupled is moved beyond the free end of the socket 2 until it closes the plug-in opening 4 securely together with the sleeve 3.
- the housing 16 is advantageously closed on its rear side by means of a cover 19, which can be screwed or slipped onto the housing 16, for example. Furthermore, a nut 20 is provided, which is screwed onto the plug 1 as a counter element at the rear end, in particular with the interposition of electrical insulation, or onto a component receiving the support element 7.
- the contact surface between the electrical contact surface 1.1 of the plug 1 and the electrical contact surface 2.1 of the socket 2 is conical.
- the contact surface could, for example, also be designed in the shape of a cylinder or dome.
- the conical shape has the advantage of a relatively safe transmission of axial forces with a favorable investment shape.
- an annular shape of the contact surface which produces the electrically conductive connection between the electrically conductive contact surfaces 1.1 and 2.1, is preferred.
- each tension coupling half 10, 11 has an end plate 12 which, among other things, forms a funnel 13 and a cone 14 or for Connection of such a funnel 13 or cone 14 is set up. In each case a cone 13 can be pushed into the associated funnel 14 of the other end plate 12 and mechanically locked there.
- the train coupling is designed as an automatic central buffer coupling.
- each end plate 12 there is provided a plurality of electrical pull-type coupling plug contacts, which can be provided, for example, in a suitable partially open, frame-shaped or closed housing 21.
- Such housings 21 can be mounted on the outer circumference of the end plates 12, for example.
- each housing 21 with the electrical cable coupling plug contacts located therein forms an electrical cable coupling half 8, 9.
- an electrical cable coupling half 8 of one cable coupling half 10 can be connected to an opposing electrical cable coupling half 9 of the other cable coupling half 11 in order to establish the electrical connection.
- at least one of the two electric pull coupling halves 8, 9 has one or a plurality of plugs 1 and the other electric pull coupling half 8, 9 accordingly has one or a plurality of sockets 2.
- an example of an electric pull coupling half 8, 9 is shown, here as an example comprising two electric pull coupling plug contacts with a plug 1 and two electric pull coupling plug contacts with a socket 2.
- the electric pull coupling plug contacts are preassembled in a housing 21 and can be connected to the housing 21 on a pulling coupling attached.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019112860.9A DE102019112860A1 (de) | 2019-05-16 | 2019-05-16 | Elektrozugkupplungssteckkontakt, Elektrozugkupplungshälfte mit einem Elektrozugkupplungssteckkontakt, Elektrozugkupplung sowie Zugkupplungshälfte und Zugkupplung |
| PCT/EP2020/058497 WO2020229038A1 (de) | 2019-05-16 | 2020-03-26 | Elektrozugkupplungssteckkontakt, elektrozugkupplungshälfte mit einem elektrozugkupplungssteckkontakt, elektrozugkupplung sowie zugkupplungshälfte und zugkupplung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3969347A1 true EP3969347A1 (de) | 2022-03-23 |
| EP3969347B1 EP3969347B1 (de) | 2024-02-28 |
Family
ID=70050113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20715029.3A Active EP3969347B1 (de) | 2019-05-16 | 2020-03-26 | Elektrozugkupplungssteckkontakt, elektrozugkupplungshälfte mit einem elektrozugkupplungssteckkontakt, elektrozugkupplung sowie zugkupplungshälfte und zugkupplung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3969347B1 (de) |
| DE (1) | DE102019112860A1 (de) |
| WO (1) | WO2020229038A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023127142A1 (de) * | 2023-10-05 | 2025-04-10 | Harting Electric Stiftung & Co. Kg | Einpoliges elektrisches Steckverbindersystem |
| DE102023127143A1 (de) * | 2023-10-05 | 2025-04-10 | Harting Electric Stiftung & Co. Kg | Einpoliges elektrisches Steckverbindersystem |
| DE102023134637A1 (de) * | 2023-12-11 | 2025-06-12 | HARTING Automotive GmbH | Berührschutzelement für einen Steckverbinder |
| JP2025113520A (ja) * | 2024-01-23 | 2025-08-04 | 矢崎総業株式会社 | コネクタ |
| AT528136B1 (de) * | 2024-06-12 | 2025-10-15 | Think And Vision Gmbh | Elektrisches Kupplungselement, elektrische Kupplung und Rohrverbindung |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1609142A (en) * | 1919-10-29 | 1926-11-30 | Tomlinson Coupler Company | Air, steam, and electric coupling mechanism |
| DE1563964B2 (de) * | 1964-02-24 | 1973-01-11 | Selbsttaetige elektrische kupplung fuer die heiz- und/oder steuerstromkreise von vollbahnen | |
| DE1665188A1 (de) * | 1968-01-31 | 1971-02-11 | Mini Verkehrswesen | Kabelkupplung,insbesondere in selbsttaetigen Schienenfahrzeugkupplungen |
| FR2070462A5 (de) * | 1969-12-05 | 1971-09-10 | Cannon Electric France | |
| BE795208A (fr) * | 1972-02-11 | 1973-05-29 | Burndy Electra Spa | Connecteur propre a etablir automatiquement des connexions electriques entre des vehicules |
| DE10044979B4 (de) * | 2000-09-11 | 2008-09-04 | Faiveley Transport Remscheid Gmbh | Kupplungskopf für eine starre automatische Mittelkupplung von Schienenfahrzeugen |
| JP2002225705A (ja) * | 2001-01-31 | 2002-08-14 | Yutaka Seisakusho:Kk | 電気連結器 |
| DE10142196A1 (de) * | 2001-08-29 | 2003-03-20 | Harting Automotive Gmbh & Co | Buchse für eine schmutzgeschützte Steckverbindung sowie Steckverbindung |
| DE102005032151A1 (de) * | 2005-07-07 | 2007-01-11 | Bombardier Transportation Gmbh | Kupplungseinrichtung für Fahrzeuge |
| EP2431201B1 (de) * | 2010-09-20 | 2014-03-12 | Voith Patent GmbH | Kupplungskopf einer Kupplungsvorrichtung zum mechanischen Verbinden von zwei Einheiten, insbesondere Fahrzeugeinheiten |
| PL2505450T3 (pl) * | 2011-03-28 | 2015-08-31 | Voith Patent Gmbh | Sprzęgło elektrokontaktowe do pojazdu prowadzonego po torze |
| DE102014110676A1 (de) * | 2013-08-07 | 2015-02-12 | Voith Patent Gmbh | Elektrokontaktkupplung für ein spurgeführtes Fahrzeug |
-
2019
- 2019-05-16 DE DE102019112860.9A patent/DE102019112860A1/de not_active Ceased
-
2020
- 2020-03-26 EP EP20715029.3A patent/EP3969347B1/de active Active
- 2020-03-26 WO PCT/EP2020/058497 patent/WO2020229038A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019112860A1 (de) | 2020-11-19 |
| WO2020229038A1 (de) | 2020-11-19 |
| EP3969347B1 (de) | 2024-02-28 |
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