DE1954765A1 - Multipole plug connection with flat contacts, especially piggyback plugs - Google Patents

Description

guess . ■ 'WUliiS Di'pl.-lng. ■■ '-ürtvckar Dr.-Ing r ^! . <\, ■ 'rtey Dr.-I'hj. I "'. ' ^v - ^ ::. <: air )? Munich 22. ■ / ■ -;.:. '"", iianslf, 43

HI 2764
24 / kr

Amphenol Tuchel Electronics Gm "bH 8024 Daisenliofen

Multipole plug connection with flat contacts, especially piggyback plug

The invention relates to a multi-pole plug connection with flat contacts, in particular a piggyback plug, consisting of a plug or cup plug body made of insulating material in general with storage recesses for contact meanders this receiving contact forks in a resilient frictional connection.

In the case of the bokauaten plug-in connections of the type mentioned, o Piggyback stecjcern, i? ;; t the knife level each

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Koataktmessers opposite the common plane of the two Fork arms Each contact fork offset by 90 °. This must in view of the need for an insulating partition between the contacts their mutual centers » distance greater than the fork or knife width of the flat contacts be. This results, in particular with a Variety of flat contacts, relatively large dimensions

"Sions of the connector or coupling body, the 90-degree However, relocation of the knife to fork planes still has another disadvantage. The elasticity of the contact bands msgestanzten contact forks is in the direction of the band planes and therefore the common plane of both Fork arms very small. Bai frequent opening and closing of the plug connection arise very often due to the inevitable signs of wear on the contact surfaces Loose contacts} because the band material does not spring back sufficiently in the band plane.

The invention lies in the. Object is based on a connector of the type mentioned with simple constructive To develop resources in such a way that they can be developed with smaller dimensions than before and for a long period of operation

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a secure contact connection is guaranteed. Diea will achieved by the fact that the contact knife with respect to the He ss he planes to the common. Levels of both fork arms the contact forks are arranged at an angle other than 90 °, for example 45 °.

Because of this simple construction measure the flat contacts can be stored in the plug or coupling bodies with a very small mutual center-to-center spacing, possibly even with mutual overlap, so that these with much smaller ones Dimensions can be designed as previously space-saving «In addition, as a result of the mutual Angular position of the Kesser plane to the fork plane, the fork material when inserting the associated contact knife no longer as before in the sense of a fork widening in the common plane of both fork lines but in the essential across it. In the transverse direction to the plane of the flat contacts, the elasticity of the Contact material sufficient! to ensure that one fork arm when inserting the separate contact blade after the one and the other fork arm to the other side from the common fork arm level

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evades and into this after pulling out the contact knife « elasticoh springs back in. This is during A secure contact of the plug connection ensures a long service life.

In this context, it is advantageous if the bearing body in the area of the contact forks has guide surfaces supporting the contact blades ψ in the angular position to the fork arm planes the Kessere plane provided angular position to the common plane of the two fork arms of the associated contact fork maintains even if this a high contact pressure on the knife foot ?. ut & en exercises.

An expedient development of the plug connection is ensured in that the fork arms of each contact fork at the free fork end with those facing each other Contact lugs formed and each on the outer arm edge at least on the one facing away from the contact blade Side against a support surface that leaves the contact nose

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the associated bearing recess are supported. Because of this support of the fork arms is their bending stress by the. Contact pressure when inserting of the assigned contact blade a torsional stress superimposed, the reaction force of which is many times greater than that only when the Restoring force that becomes effective on the fork arms. As a result, there is a large contact pressure between the contact blades even then and the contact forks ensured if the latter is made of a slacino material of small thickness and high elasticity are punched out "

For piggyback plugs with one contact blade each in one-piece connection with a contact fork Contacts elements is provided that each contact element is integral with one in the common plane of the Gabeiaxme laterally protruding soldering lug from the Contact in / seria! accumulated and on the fork-sided volume of the Konitaittmessera on the edges bait at least one Baskets is rough, imd that the plug body on the Page rior contact forkJi Ιϊ ·. whose Iiager recess opening out Has Einachubschlitze for the solder tabs. Through this

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is offered the possibility of the connector body in economic Injection or Ireß process »in one piece place.

In a preferred embodiment, the Huokepack eteckers, the iSinachub slots of the plumbing flags end up tq & the fork contact side of the plug body in

"a greater distance than their distance from the notches" where the bearing body on the knife side for each Kontektaeeser has a twisting into the angular position of the associated contact fork * against the bottom of which the Serbian edges of the contact knife can be supported by its twisting.

An embodiment example (LbS invention is shown in the drawing. Xn these show:

Fig. 1 shows a. Vex-tikal-Iengsschnitt by, a piggyback plug, and

? ig « 2 is a schematic view of the

Fork arm side of a Veil of the Huckepaok plug according to 7ig. 1.

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According to the drawing, a multi-pole plug connection with Slaohkontakten, for example a piggyback plug 1, has an injection-molded or pressed plug body 1a made of insulating material, into which the number of contact elements corresponding to the number of contact elements © bearing cutouts 2 and bearing cutouts 1b for hooks 3. The contact fork 3 has ewel fork arms 3a, 3b which are formed on the free ends with contact noses 3aa and 5ba pointing towards one another. In the Einsonieben the Kontaictmessera 2 r wieohen the Gabelarma Ja ₁ 3b these grip in resilient SrafteöhluS on the. Heating areas on

Each "of Eontaktmeeser S, is ^ sub s, gegebenenfalXa silver-plated and / or TOrgo2ä * _t trem. Koata3cibl6c & in one piece with the associated contact fork 3 and punched out in the common plane of the contact arms 3a, 5b since »borrowed soldering lug 4. The punched-out molded contact part can be pushed into the connector body 1a from the fork arm side, the insertion of the XiOt flag 4- being made possible by an insertion slot 1c cut out in the body material, which is inserted into the bearing area.

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Savings 1b of the contact fork 3 opens.

9er bias push slot 1c of the plug body 1a ends starting from the contact fork side of the ötecker body 1a in front of its Mssaerseite at a distance A · Am fork side towards the end of the contact sitter 2 is at least one the edges of which are provided with a notch 2a from which the knife side ti g © edge of soldering tail © 4 has a distance A *, which is slightly smaller than the distance A of the sea side End of Binsoliubsciiliu ^ ee 1c by the Hsssers @ lt # of the connector body 1a is "

For each of the contact blades 2, the measurer 1a has a recess ld which allows it to twist in relation to the common plane of the fork space 3e _t 3b of the contact fork 3 , against the bottom of which the edge of the notch 2a or the edges of the notches 2a are The winding movement of the contact blade 2 can be supported by the twisting movement of the contact blade 2 in relation to the common plane of the fork arms 3a, 3b, the punched part 2, 3 _S 4 is anchored in the plug body 1a in a non-sliding manner.

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The Verwinatingabwegung de a Xontaktmessere 2 opposite dor Eontaktgabel 3 takes place in such an order of magnitude t that the knife level with respect to the common Level of gift noisy yes »3b one deviating from 90 ° Assumes the angular position according to SIg. 2 advantageously nit 45 ° is selected. Is in this angular position Attic each of the contact grounds 2 after insertion the associated fork arms 3a «3b through in their storage recesses 1b provided guide surfaces 1ba supported »

Likewise, the fork arms 3a, 3b of the Eontakt forks 3 are each in the associated bearing recess 1b on the outer contact anak edge at least on the contact » Knife 2 facing away from the contact nose 5aa or 3ba is supported against a support surface Ibb »

The invention is not limited to the embodiment shown in the drawing, in particular with regard to the angular position of the Hesserebenea on the planes of the fork arrows 3a, "jib . Although this relates to a piggyback deckor, the invention is also

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with other plug connections, for example old a fixed and a movable connector element or with plug couplings.

- patent claims -

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Claims (5)

Claims 1.) Multi-pole plug connection with flat contacts »especially piggyback plug, consisting of a plug or coupling body made of insulating material with üagerausnehmungen for Kontaktmesaer or these in resilient Frictional contact forks, characterized by the fact that the contact blades (2) Regarding the knife planes to the common planes both fork arms (3a, 3b) of each contact fork (3) in one angular position deviating from 90 °, for example 45 °, are arranged » 2.) Plug connection according to claim 1, characterized in that the bearing recesses (1b) of the contact forks (3) supporting the contact blades (2) in their angular position relative to the fork arm planes Have guide surfaces (1ba). 3.) Plug connection according to claim 1, characterized in that the fork arms (3a, 3b) each contact fork (3) at the free fork ends 1098A2 / 0598 mutually facing contact lugs (3aa or 3ba) and each at least on the outer peripheral edge on the side facing away from the contact blade (2) a support surface (1bb) of the separate bearing recess (1b) leaving the contact nose free are supported. 4.) Plug connection according to claim 1, each with a P contact blade in one-piece connection bit of a con » Clock fork forming contact elements of a piggyback plug, characterized in that each contact element is punched out of the contact material in one piece with a soldering lug (4) protruding laterally in the common plane of the fork arms (3a, 3b) as well as at the fork end of the contact blade (2) with at least one notch (2a) is provided, and that the plug or coupling body (1a) on the side of the . Contact forks opening into their bearing recesses (1b) Has insertion slots (1c) for the soldering lugs. 5.) Plug connection according to claim 4, characterized in that the insertion slots (1c) of the soldering lugs (4) starting from the fork arm side of the 1.09842 / 0598 The connector body (la) from its ^{knife side ends in a distance (A) greater than the distance (A 1} ) of the aeaser-side Xante of the flag from the knife notches (2a), and that the connector body on the knife side for each contact point (2) has a recess (1d) which allows it to be twisted into the angular position relative to the contact fork (3) and against the bottom of which the edge of the notch (2a) of the contact blade can be supported by twisting it. 109842/0598 Blank page