DE7418716U - HORN CONTACT FOR MOTOR VEHICLES - Google Patents

Description

SWF specialty factory for car accessories Gustav Rau G'nbH., 712 Bietigheim

A 12 266

PAT / J / Vo / Vi
21 .3.

Horn contact for motor vehicles

The invention relates to a horn contact for motor vehicles with a deflectable via an actuating bolt Contact spring which is fixed on a contact carrier in which the actuating bolt is adjustably guided.

Such a horn contact can, for example, be built into a steering column switch or the steering wheel and actuated via further actuating elements that are in operative connection with the actuating pin and adjust it accordingly so that the contact spring comes into contact with a stationary mating contact and one
Close the electrical circuit for the acoustic horn.

BoJ. Certain motor vehicles have two acoustic horns with different horn signals. These are
box known horn contacts two separate actuation clemonto and therefore also two separate switching ujid

Koni ak toiii.rj clituugon required.

It is the egg'findurig's task to establish a Huporikontakt the input. '; Mentioned th type to be modified in such a way that the two Hu] Don can be controlled via a single actuating element, in such a way that only in the first switch position
el .ic first horn iii.it el cm ιιυπικι lon horn signal is actuated, wii.li 1 "(Mi (I in elcj"'zwoitoii switching division both horns have been activated

- 2 - A 12 206

basically only set via the first switch position and the establishment of contacts can still be simple and reliable.

This is achieved according to the invention by the fact that the Contact spring is designed as a double contact spring, whose two springs are directed at a distance from one another and perpendicular to the direction of movement of the actuating bolt are and to which two separate mating contacts are assigned, which are fixed on the contact carrier that the fastening bolt has an end portion offset in diameter, which is drilled through these two Springs is guided and on which a compression spring is pushed, which is supported on the two springs that the actuating bolt via a return spring in the The starting position is held, with an end stop of the actuating bolt facing away from the actuating bolt The spring and the compression spring hold the spring facing the actuating bolt in the starting positions and that when the actuating bolt overstrokes in the actuating direction, its shoulder towards the end section is the second spring deflects. When the contact is established, when the actuating bolt is adjusted, the compression spring is initially only the first spring of the double contact spring is deflected and the switching connection to the first horn is established. at further adjustment of the actuating bolt, the paragraph of the same takes the second spring and switches the two te horn to it. The compression spring compensates for the overstroke of the actuating bolt, since the one in the working position first spring retains its position and adjusted on the moving end portion of the actuating bolt.

The guidance and fixing of the actuating bolt on the contact carrier is solved according to one embodiment, that the actuationwbolzGn in a guide cover of the contact carrier s is performed that the return spring to

7418716 6/24/76

- 3 - a 12 266

this guide sleeve and on the head of the actuating bolt is supported on the side facing away from the springs is attached, and that the end stop is formed by a locking ring which is on the end portion of the Actuating bolt is applied. The actuating bolt and the return spring are thus held captive ensures the initial position of the horn contact.

To further simplify the horn contact, it is provided that the double contact spring has a tab, via which it is fixed on the contact carrier and at the same time as a connection contact for a connecting line is trained. This single connection of the double contact spring is possible because the two horns on the separate mating contacts are connected and these are controlled with the same potential.

After another. Ausbildimg is provided that the contact carrier with the actuating bolt, the double contact spring, the mating contacts, the return spring and the compression spring in a steering column switch or the steering column Form a built-in unit. This unit is easily prefabricated and exchangeable in the steering column switch or to arrange the steering column.

The invention is explained in more detail with reference to an embodiment shown in the drawing in plan view .

The horn contact according to the invention is on a contact

10

support plate / mounted, which can be fastened in the steering column or in the steering column switch, in such a way that the actuating element is in active connection with the head 21 of the actuating bolt 20. This control bolt is adjustably guided in a guide sleeve 11 with the guide bore 2k. The return spring 16, which is located on the guide sleeve 11 and the head 21 of the actuation bolt

- Ί - Λ 12 266

20 supports, the actuating bolt holds in the shown Starting position. The protruding from the guide sleeve 11 Endabsi: hrii 11 22 is through the pipes 23 and of the two springs 12 and 2/3 of the U-shaped double contact spring guided. Free this double contact! he has a tab 15, which is used as a connecting line for a connecting line 19 is formed and over which the double contact spring is set so on the contact carrier plate 10 that the two. Springs 12 and 25 parallel to each other and are perpendicular to the direction of adjustment of the actuating bolt 20. The end of the bolt section 22 carries a locking ring 18 which acts as an end stop and returns the spring 12 to the starting position shown. On the end portion 22 a compression spring is pushed, which is on both springs 12 and 25 of the Double contact spring or supported. This compression spring 17 holds the spring 25 in contact with the guide sleeve 11 and thus also in the starting position shown. The spring 25 is the mating contact 13 assigned, which leads to the horn 111, and the spring 12 of the mating contact 1'4, which is connected to the horn H2 leads. The mating contacts 13 and 1 ^ are on the contact carrier plate 10 set so that they are not in the starting position with the springs 12 and 25 in connection stand.

If the actuating bolt is adjusted from right to left, then the return spring 16 is tensioned, and the spring 12 is deflected via the compression spring 17 in such a way that it comes into contact with the countercontact lh. With further adjustment of the actuating bolt 20, the return spring 1 (Ί and the compression spring I7 are even more tensioned. The spring 12 cannot change its position so that the end section 22 of the actuating bolt is positioned in the bore 26 of the spring 12. The paragraph for During this further adjustment, the end sleeve 22 of the actuating bolt 20 carries the spring 25 with it until td.e

- 5 - Λ 12 266

the (iogonkontakt 13 comes into contact. The compression spring 17 compensates for this over-travel of the actuation bolt 20, since the Fodoi '1.2 cannot mitvorstollon ka; m.

Wix-dor J.lot Confirmation Bol :: on 20 released, then sets dio return spring 16 the actuating bolt back into the Back to the starting position, the locking ring 18 taking the spring 12 with it. The paragraph to the end section 22 dos Actuating bolt 20 releases the spring 25 so that it returns to the starting position via the tensioned compression spring 17

i.e. in contact with the guide sleeve 11. ι

The second switch position of the contact device is ϊ

therefore always reached via the first switching position, namely by applying increased adjusting force. The power requirement for the adjustment of the actuating bolt increases sharply when the spring 25 also has to be deflected. This pressure point in the force-displacement curve of the actuating bolt indicates, in a known manner, that the first switching position has been reached, in which the switching connection is established from the connection contact 15 via the spring 12 to the contact Ik . When the actuating pin 20 is overstroke, the switching connection from the connection contact 15 to the contact 13 via the spring is also established in the second switching position.

The starting position of the spring 12 is determined by the stop 27 of the contact carrier plate 10 and is therefore inevitable also the starting position of the actuating bolt 20, which is caused by the return spring 16 in this position is held.

Claims (5)

SWF-Spezlal factory for Autozu'boh-iSr Gustav Ruu GmbH, 712 Bietlghoim-Msslngon G 7k 18 716.9 A 12 266 February 23, 1976 PAT / J / Tu Protection claims . Horn contact for motor vehicles with one over one Actuating bolt adjustable contact bridge, which works together with two mating contacts on a contact carrier, wherein the actuating bolt is adjustably guided on the contact carrier and via a return spring is held in the starting position, as well as the contact bridge on the end portion of the actuating bolt a compression spring is resiliently supported, characterized in that the contact bridge than on the contact carrier (1O) fixed double contact t ^ eder is formed, whose two springs (12, 25) at a distance from one another and perpendicular to the direction of adjustment of the actuating bolt (20) directed on an end section with a stepped diameter (22) of the actuating bolt (20) are guided that on the between the two springs (12, 25) lying End section (22) of the actuating bolt (20) a compression spring (17) is pushed onto it supports both springs (12, 25) so that each spring (12, 25) a mating contact (H1, H2) is assigned that in the starting position an end stop (18) of the actuating bolt (20) one spring (12) on the compression spring (17) and the compression spring (17) the other spring (25) on the Hold the guide (11) of the actuating bolt (20) and that when adjusting the actuating bolt (2OJ the pressure spring (17) one spring (12) up to the stop on the associated Mating contact (Hl) carries along, while during the overtravel of the actuating bolt (20) its shoulder to the end section (22) deflects the other spring (25) up to the stop on the associated counter-pressure (H2). 2. Horn contact according to claim 1, characterized in that ^ c-kenn / oiclmet the actuating bolt (20) in a guide hü1 so (ii) dos Contact carrier (10) out is that the return spring (16) on this guide sleeve (ii) - 7 - λ \ 2 V. CG I. and on the head (21) dos Ho ta 'tigun, ", sbolzens (2O) supported, the on dor don springs (12, 25) abcokohiLon Page is attached, and that the end stop is formed by a locking ring (18) which is attached to the End portion (22) of the Deiätipuncsbolzens (2ü) applied is, 3. Ilupenkontakt according to claim 1 or 2, characterized in that that the double contact spring (12, 25) a Has tab (15) through which it is attached to the contact carrier (1O) is set and formed at the same time as a connection contact for a connecting line (19) is. k. Horn contact according to one of claims 1 to 3> characterized in that the contact carrier Oo) with the actuating pin (20), the Doppolkontaktfeder (12, 25), the Gegen'.tontakten (13, 1 h), the return spring (16) and the compression spring (17) form a unit that can be installed in a steering column switch or the steering column. 5. Ilupenkontakt according to one of claims 1 to '(, characterized characterized in that the starting position of the first spring (12) by a stop (2?) of the contact carrier (1O) is fixed. 6, horn contact according to one of claims 1 to 5 »thereby characterized in that the second spring (25) is in the starting position on the guide sleeve (11) for the actuating bolt (20) is applied.