EP0085935B1 - Fiche pour voyageur - Google Patents

Fiche pour voyageur Download PDF

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Publication number
EP0085935B1
EP0085935B1 EP83100966A EP83100966A EP0085935B1 EP 0085935 B1 EP0085935 B1 EP 0085935B1 EP 83100966 A EP83100966 A EP 83100966A EP 83100966 A EP83100966 A EP 83100966A EP 0085935 B1 EP0085935 B1 EP 0085935B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact pins
pins
plug
travelling
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
Application number
EP83100966A
Other languages
German (de)
English (en)
Other versions
EP0085935A2 (fr
EP0085935A3 (en
Inventor
Reinhard Napierski
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT83100966T priority Critical patent/ATE34253T1/de
Publication of EP0085935A2 publication Critical patent/EP0085935A2/fr
Publication of EP0085935A3 publication Critical patent/EP0085935A3/de
Application granted granted Critical
Publication of EP0085935B1 publication Critical patent/EP0085935B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts

Definitions

  • the invention relates to travel plugs with adjustable contact pins in the housing for electrical sockets with different contact distances.
  • the plugs initially differ fundamentally in terms of the type of contact pins (round pins, flat pins) and their spacing; moreover, the round pins have different diameters and the flat pins have different angular positions to one another.
  • adapter plugs or adapters which can be placed on the plug of the electrical device and which in turn have contact pins that match the respective foreign system.
  • the known adapters have built-in contact pins, so that they are only suitable for a single foreign connector system. If you are traveling a lot, you need several such connectors.
  • the invention is therefore based on the object in travel plugs of the type mentioned with adjustable contact pins by simple means to improve the position of the contact pins in the respectively set positions and at the same time to improve the durability of the electrical connection to the contact pins.
  • the contact pins are frictionally held in position in the guides and electrically connected by contact springs which exert an axial and / or radial tension on the rear end of the contact pins.
  • the invention offers the advantage that a single element, namely a contact spring, simultaneously fulfills the mechanical function of fixing a contact pin in its guide and the electrical function of a long-term reliable electrical connection to the electrical line despite the mobility of the contact pin. It does not matter whether the contact spring is firmly connected to the contact pin or to the guide.
  • At least one of the contact pins is rotatably mounted about its longitudinal axis.
  • a plug 10 is shown, which is connected via a cable 12 to an electrical device.
  • the plug 10 has flat contact pins 14, as are customary, for example, in the USA, Australia and the USSR.
  • the invention provides that the Allow distance between the contact pins 14 and their angular position with respect to their longitudinal axis to change.
  • the contact pins 14 sit in aligned slots 16 in which they are rotatably mounted.
  • they are provided with a flange 18 at the rear end, and a disc 20 is also placed on the neck of the contact pins 14.
  • the assembly can take place, for example, in such a way that first a still round pin is inserted into the elongated hole 16, then the disk 20 is pushed on and finally the pin is flattened to the desired shape.
  • a connector housing which is axially divided in the plane of the elongated holes 16
  • the disk 20 is placed on and the pin is flattened before being inserted into the housing. It has been shown that hollow round pins are very well suited for producing flat contact pins from them.
  • the washers 20 are recessed into an elongated groove 22 in the end face of the connector.
  • the holes 16 need not be elongated holes, but it is sufficient if their diameter is larger than that of the neck of the contact pins 14. The latter receive their radial guidance via the disks 20 sliding along the side walls of the groove 22.
  • the rear flange 18 of the contact pins can be inserted into a contact spring 24, which is firmly seated in the plug housing, is connected to the electrical line 12 by clamping or soldering, and presses axially against the flange 18 from behind with a spring tongue 26, regardless of what position it is in.
  • This clamping has the further advantage that it holds the contact pin 14 frictionally in the position set by hand.
  • the stops limiting the rotary movement of the contact pins 14 can also be attached to the connector housing or a part firmly connected to it and come to rest directly on a side face of the contact surface 14 or a part which is non-rotatably connected thereto.
  • a sleeve which increases their diameter can optionally be placed on thin pins and which, for example, is screwed to the plug housing with its rear end.
  • the contact pins are divided lengthwise one or more times and the individual parts can be spread out to a greater or lesser extent depending on the diameter required.
  • the plug according to FIGS. 2 and 3, like the one according to FIG. 1, is permanently connected to an electrical device via an electrical line 12.
  • the contact pins designated 28 in FIG. 2 can be exchanged.
  • the two radial guides 30 of the contact pins 28 have a central opening 32 which allows different contact pins, e.g. alternately round and flat pins, are inserted into the radial guides 30 and brought to the desired spacing.
  • the prerequisite for this is that all contact pins at the rear end are of identical design in such a way that they all fit into the radial guides 30.
  • a contact spring 34 which is electrically connected to the line 12, can be inserted into the plug housing for each contact pin 28 and which clamps the contact pin under pretension and can be part of the radial guide 30.
  • an insulating piece which is displaceable therein is preferably inserted into the radial guides 30 and allows the two contact pins 28 to be inserted through the opening 32 by sliding back and forth, but is then located between the two contact pins.
  • 28 different small stop pins can be attached to the rear part of the different contact pins, which cooperate with corresponding counter-stops on the connector housing or the radial guides 30, so that the movement of the contact pins from the center to the radially outward limits in each case in that position becomes where the correct contact distance results.
  • FIGS. 1 to 3 show a travel plug in the form of an intermediate plug or adapter 36, which is a plug with contact pins 38 on one side and forms a socket with holes 40 on the other side.
  • intermediate plugs special attention must be paid to the connection between the contact pins 38 and the contact springs 42, on which the contact pins of a device plug inserted through the holes 40 come to rest.
  • the contact springs 42 are radially displaceable together with the contact pins 38, but, in contrast to the contact pins 38, are held non-rotatably in the plug housing.
  • the contact springs 42 are to be dimensioned sufficiently wide so that, regardless of the position, the desired contact always occurs with the contact pins inserted through the holes 40. 4 shows a displaceable contact spring 42 on the left and a non-displaceable contact spring 42 on the right.
  • the contact springs 42 are fixed next to the contact pins 38 in the connector housing and connected to the contact pins 38 by means of a highly flexible cable.
  • Such a design has the advantage of a particularly flat design.
  • Fig. 1 it is gem.
  • Fig. 4 about an axial tension.
  • solid contact pins 38a are assumed, which have their final shape, as shown in FIG. 4a, with two flange rings at the rear end before assembly. With the area between the two flange rings, they are inserted into radially extending, aligned slots 45a, which are open at the radially outer end (see FIG. 4b) of an end plate 45 of the intermediate connector. These elongated holes 45a are then closed during assembly of the intermediate plug by inserting the end plate 45 in its jacket wall 36a at the radially outer end, so that the contact pins 38a are radially displaceable but cannot be lost.
  • 4a, b, c is that the contact pins 38a serve to hold the contact springs securely in the predetermined position.
  • 4a shows on the one hand at 42a and on the other hand at 42b, c different embodiments of contact springs. In all cases it is advisable to shape the contact springs in such a way that they form several spring tongues connected in one piece, e.g. two opposite spring tongues 42a or, according to FIG.
  • the end plate 45 is formed on the inside in the region of the elongated holes 45a with a diametrically extending thickening 45b which is pierced by the stepped elongated holes.
  • the edge is formed with a recess 45c, the depth of which corresponds approximately to the thickness of the contact springs.
  • Fig. 4b shows in the top area in a plan view from below of the end plate 45, the recesses 45c before the assembly of the contact springs. The depressions 45c prevent the contact springs from moving along the elongated holes.
  • knobs 45d can be integrally formed on the end face of the thickened portion 45d, between which the correspondingly bent spring tongues 42a can be snapped into place.
  • the inner end of the contact springs is angled at 42d to the central axis of the elongated holes 45a, so that it engages behind from the rearmost flange ring of the contact pins 38a according to FIG. 4a, thereby ensuring the axially fixed connection of the contact pins and the contact springs to the end plate 45.
  • the distance between the two flange rings of the contact pins on the one hand and the wall thickness of the end plate 45 in the area between the flange rings together with the thickness of the contact springs on the other hand are to be dimensioned appropriately.
  • the rearmost flange ring of the contact pin 38a is gem. Fig. 4a on the circumference of the contact spring, so that it is held frictionally in the selected position.
  • Fig. 5 shows possible modifications to Fig. 4.
  • this necessitates the provision of stops of the type mentioned above to limit the rotation of the contact pin 48 in order to avoid damage to the cable 50.
  • mechanical clamping of the contact pin 48 is also to be generated so that it remains in the set position.
  • the contact spring 46 is again used for this.
  • this has the shape shown in FIG. 7 of a flat sheet with two tongues 52 which point towards the center and are produced by incisions and have a central hole into which the contact pin 48 engages in the assembled state. 7 is then bent into the U shape shown in FIG. 6 and thus mounted in the connector housing.
  • the spring tongues 52 have the function of pressing radially against the rear end of the contact pin 48 due to their own elasticity, while the rest Part of the contact spring 46 is used for the socket function of the adapter plug. So that the spring tongues 52 can press more strongly against the rear end of the contact pin 48, it is provided that the legs of the contact spring 46 according to FIG.
  • edges 54 are located at about 1 J sec to 1/3 of the height of the legs of the contact spring and form during spreading of the contact spring by an inserted contact pin each having a support point to which the spring legs are bent while against the free ends of the spring tongues 52 press on the contact pins 48.
  • the contact pins can be exchangeable through an opening in the radial guides.
  • the traveler can keep the various contact pins loose.
  • FIGS. 9 and 9. the adapter plug has six magazine bores 56, two of which are diametrically opposed in pairs and are intended to receive a specific type of contact pin.
  • a ring 58 with an end-side inner flange 60 is rotatably seated on the plug housing. The latter is broken through at two diametrically opposite points.
  • the openings are denoted by 62 in FIG. 9.
  • the inner flange 60 of the ring 58 at least partially covers the magazine bores 56 and thus prevents the contact pins designated 64 in FIG. 8 from falling out.
  • the ring 58 is rotated in such a way that the desired contact pins can be removed from the magnetic bores 58.
  • the ring 58 is then rotated into the position shown in FIG. 9, in which the cutouts 62 are aligned with radial guides 66 which are open radially on the outside.
  • the contact pins 64 can thus be inserted into the radial guides 66 from the radially outside, possibly individually, until a pin 65 abuts a special stop 67.
  • the ring 58 is then rotated again, expediently into the position in which the openings 62 are aligned with the now empty magazine bores 56.
  • the ring 58 now closes the radial guides 66, so that the contact pins 64 located therein are secured against sliding out.
  • the radially inner edge of the flange 60 can be designed in a cam-shaped manner such that it holds the contact pins 64 in the correct radial position in each case.
  • FIGS. 10 and 11 show a modification of the exemplary embodiment according to FIGS. 8 and 9 in the direction that the adapter plug can optionally also be screwed into an incandescent lamp holder.
  • a screw base 74 formed with two contact pins 70, 72 is provided.
  • the radial guides 78 go according to. Fig. 11 into each other, however, the contact springs or other electrically conductive parts connected to the guides are insulated from one another, and there is at least one radially outer insertion opening through which the free ends of the contact pins 70 and 72 are inserted into the radial guides 76 can, while the rotatable ring designated here with its single recess 80 is in alignment with the radial guides 76 at their insertion opening.
  • the screw base 74 is then secured in the position shown in FIG. 10 by rotating the ring 78.

Claims (9)

1. Fiche pour voyageur munie de broches de contact (14, 28, 38, 48, 64) logées dans des guides (16, 22, 30, 66, 76) réglables dans le corps de la fiche, pour prises de courant ayant des écartements différents entre les contacts femelles, caractérisée en ce que les broches de contact (14, 28, 38, 48, 64) sont maintenues en place dans les guides et connectées électriquement grâce à des ressorts de contact (26, 42, 46, 48) qui exercent une pression axiale et/ou radiale sur l'extrémité arrière desdites broches de contact.
2. Fiche pour voyageur selon la Revendication 1, caractérisée en ce que l'une au moins des broches de contact (14) est du type plat et montée de façon à pouvoir pivoter autour de son axe longitudinal.
3. Fiche pour voyageur selon l'une ou l'autre des Revendications 1 ou 2, caractérisée en ce que les broches de contact (14) sont guidées dans des trous oblongs et alignés (16, 22) formés dans la plaquette extérieure de la fiche et sont maintenues dans ces trous (16, 22) par une collerette (18) ou une rondelle formée ou ajoutée sur leur extrémité arrière.
4. Fiche pour voyageur selon l'une quelconque des Revendications 1 à 3, caractérisée en ce que les guides radiaux (30, 66, 76) débouchent radialement vers l'extérieur ou vers l'intérieur, afin de rendre interchangeables entre elles plusieurs desdites broches de contact.
5. Fiche pour voyageur selon la Revendication 4, caractérisée en ce que différentes broches de contact munies de culots ayant des butées différentes (65) sont prévues, lesquelles coopèrent avec différentes butées fin de course (67) prévues sur les guides radiaux (30, 66, 76) pour assurer le positionnement de l'écartement entre les broches de contact.
6. Fiche pour voyageur selon l'une quelconque des Revendications 1 à 5, caractérisée en ce qu'elle est conçue en tant qu'adaptateur (36) pour établir une connexion intermédiaire entre une prise de courant et une fiche de différents systèmes, de façon que les ressorts de contact (42) qui portent contre les broches de contact réglables (38a) agissent également en tant que contacts électriques par rapport à la fiche engagée dans l'adaptateur.
7. Fiche pour voyageur selon la Revendication 6, caractérisée en ce que les broches de contact (38a) sont guidées radialement et maintenues axialement dans des trous oblongs alignés (45a), qui débouchent radialement dans les extrémités extérieures de la plaquette frontale (45) de l'adaptateur, ces trous pouvant être obturés par la paroi latérale de l'adaptateur, et que les ressorts de contact (42a, b, c) enserrent par chacune de leurs extrémités arrière la broche de contact (38a), ce qui les rend solidaires de la plaquette frontale (45).
8. Fiche pour voyageur selon la Revendication 7, caractérisée en ce que le ressort de contact de chaque pôle se compose de plusieurs lames élastiques distinctes (42a) reliées entre elles, et dont la barrette de raccordement (43) est disposée à l'extrémité intérieure du trou oblong (45a), de façon que l'extrémité de fixation des ressorts de contact (42a, b, c) se loge dans des cavités correspondantes prévues à cet effet dans la plaquette frontale (45) où elle est maintenue par la broche de contact (38a) correspondante.
9. Fiche pour voyageur selon l'une quelconque des Revendications 1 à 8, caractérisée en ce que le corps de la fiche est pourvu de plusieurs perçages (56) formant des magasins pouvant être obturés de l'extérieur et destinés à recevoir différentes broches de contact (64), et que ces perçages-magasins (56) sont répartis en cercle et débouchent dans une surface frontale, et peuvent être obturés par une bague (58) munie de cavités, laquelle, selon sa position, libère les ouvertures des guides radiaux (66) ou deux perçages-magasins (56).
EP83100966A 1982-02-04 1983-02-02 Fiche pour voyageur Expired EP0085935B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100966T ATE34253T1 (de) 1982-02-04 1983-02-02 Reisestecker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3203809 1982-02-04
DE19823203809 DE3203809A1 (de) 1982-02-04 1982-02-04 Reisestecker

Publications (3)

Publication Number Publication Date
EP0085935A2 EP0085935A2 (fr) 1983-08-17
EP0085935A3 EP0085935A3 (en) 1985-05-15
EP0085935B1 true EP0085935B1 (fr) 1988-05-11

Family

ID=6154792

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100966A Expired EP0085935B1 (fr) 1982-02-04 1983-02-02 Fiche pour voyageur

Country Status (3)

Country Link
EP (1) EP0085935B1 (fr)
AT (1) ATE34253T1 (fr)
DE (2) DE3203809A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586777A (en) * 1984-07-16 1986-05-06 Lucerne Products, Inc. Battery-switch module adapter
DE4030259A1 (de) * 1990-09-25 1992-03-26 Reinhard Napierski Elektrischer zwischenstecker
EP0502685A3 (en) * 1991-03-02 1992-12-02 Changxing Duan Combined power plug
FR2674379B1 (fr) * 1991-03-18 1993-07-16 Legrand Sa Adaptateur en deux parties pour appareil electrique a brancher par une fiche sur un socle de prise de courant.
GB9200598D0 (en) * 1992-01-13 1992-03-11 Ross Group Plc Electrical adaptor
DE19542936C1 (de) 1995-11-17 1996-10-17 Braun Ag Zwischenstecker für aufladbare Elektrogeräte
JP4465838B2 (ja) * 2000-09-01 2010-05-26 コニカミノルタホールディングス株式会社 光ピックアップ装置及び対物レンズ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB622565A (en) * 1947-03-27 1949-05-04 Arundell Wallis Faulkner Improvements in electrical plug and socket connectors
US2989719A (en) * 1958-09-11 1961-06-20 Carl J Aarlaht Convertible attachment plugs
FR1242986A (fr) * 1959-08-26 1960-10-07 Procédé permettant de faire varier la distance entre des broches
DE7807806U1 (de) * 1978-03-15 1979-01-04 Nora-Versand Freizeit-Artikel-Vertriebs-Gmbh, 8500 Nuernberg Zwischenstecker
IT8083312A0 (it) * 1980-02-01 1980-02-01 Palladini Mario Spina elettrica adattabile a differenti tipi di presa.

Also Published As

Publication number Publication date
DE3203809A1 (de) 1983-08-11
EP0085935A2 (fr) 1983-08-17
DE3376605D1 (en) 1988-06-16
EP0085935A3 (en) 1985-05-15
ATE34253T1 (de) 1988-05-15

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