DE8326660U1 - HEADLIGHTS FOR MOTOR VEHICLES - Google Patents

Description

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18921;

R.

8/12/1983 Hk / Kc

ROBERT BOSCH GMBH, TOOO Stuttgart 1

Headlights for automobiles
State of the art

The invention is based on a headlight for motor vehicles according to the preamble of claim 1. Such a headlight is for example from DE-GS 80 1U 330 known, in which the latching arrangement has a shoulder of the cap and a nose of a spring arm cooperating with this form. This arm protrudes from the back of the housing made of elastic plastic.

The disadvantage of this known locking arrangement is that

the plastic of the housing must have higher strength and therefore has a lower elasticity, which for the locking function of the spring arm is often inadequate. If the spring arm breaks off, be it during assembly the headlight or when replacing a light bulb, the voluminous housing must be replaced with a new one. In addition, it is designed to be suitable for assembly the latching arrangement not or only with difficulty, if only because of the different demolding directions of the housing possible.

Advantages of the invention

With the headlight for motor vehicles according to the invention the disadvantages set out in the prior art are essentially solved without great technical effort. Of the Invention is based on the idea, the small-volume cap with few functions made of soft, elastic plastic to produce and to arrange the spring arm designed as a two-armed lever by means of a film hinge on this. If the lever breaks, only the cap, which is much cheaper than the housing, is closed replace, and the required slide can be found on the relatively small, uncomplicated manufacturing tool the cap easier to arrange. Because a plastic is always essentially the same for the cap If elasticity is used, the necessary forces for the locking and movement of the film hinge are required can only be specified once ^ this is often not possible with the plastic used for the housing.

Advantageous further developments of the invention are described in the subclaims. With the design of the Headlight according to claim 2 is the security of Latching arrangement increased without additional technical effort. With claim 3 a compact design of the rear of the housing is obtained in the area of the locking arrangement.

An embodiment of the invention is shown in the drawing and in the following description of the figures explained in more detail. The only figure shows the axial

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18921

vertical section through a headlight for motor vehicles in reduced format.

Description of the embodiment

A headlight for a motor vehicle has a housing 11 which is fastened to the body 10 by means not shown and which, via a seal 12, has a frame 13 with a welded-on lens lh supports. In the housing 11 is in a manner not shown a reflector 15 adjustably be f '\ consolidates 16 with an inserted from the back light bulb An inner flange 17 of the housing 11 forms an opening 18, closed by a cap 19 made of elastic plastic with a sealing ring 20 is.

The cap 19 has a projection 21 protruding radially outward to the reflector axis 23 with two stiffening ribs 22 (one of which is in front of the plane of the drawing). The projection 21 is supported on an edge 25 of an opening 2k , which is in a tab 26 of the housing 11 is arranged.

For the releasable attachment of the cap 19 to the housing 21 V and therefore for closing the opening 18 has the

Cap 19 opposite the projection 21 is a latching arrangement 27. For this purpose, a two-armed lever 28 with a horizontal axis of rotation 32 is provided, the rotational movement of which is made possible by a so-called film hinge 31, and the lever 28 has an actuating arm 29 pointing outwards and an inwardly pointing actuator 3 ¹ * the headlight projecting latching arm 30 having a formed by an opening 36 edge 35 · This stüzt in the locking position of the lever 28 at a shoulder 37 from which forms a from the housing 1 1 with respect to the reflector axis 23 radially inwardly facing cam 38th The end of the

18921

Cam 38 and that of the locking arm 30 have a run-up slope 39 »'♦ O, which - after inserting the projection 21 into the opening 2U - when pivoting according to arrow U1 of the cap 19 cooperate in such a way that the locking arm 30 automatically assumes the locking position shown and This closes the opening 8 of the housing 11. The latching position is released by pivoting the actuating arm 29 according to arrow U2.

Claims (3)

OO "18921 8/12/1983 Wd / Kc ROBERT BOSCE GMBH, TOOO Stuttgart 1 claims 1. Headlights for motor vehicles with a housing that has a rear opening for access to, in particular, an incandescent lamp inserted in a reflector, and with a cap which closes the opening preferably via a sealing ring and which on the one hand attaches itself to the Housing supporting projection and on the other hand this opposite a latching arrangement for the releasable fastening the cap on the housing, characterized in that the latching arrangement (27) is a two-armed Lever (28) which has an outwardly facing actuating arm (29) and one with a shoulder (37) of the housing (11) has cooperating locking arm (30), and that the The axis of rotation (32) of the lever (28) by means of a film hinge (31) on the made of elastic plastic The cap (19) is arranged so that it can be swiveled. 2. Headlight according to claim 1, characterized in that the shoulder cooperating with the locking arm (30) (jT) a protruding into the 'interior (3 ^) of the headlight Block (36) and that the Raätarm (30) has a through 18 A? has break (36) with an edge (35) on which the shoulder (37) is supported in the latched position of the lever (28). 3. Headlight according to claim 2, characterized in that the latching arm (30) of the lever (28) and the cam (38) of the housing (11) each have a ramp (39, ^ O), which when E5.nschwenken the cap (19) cooperate in their closed position in such a way that the locking arm (30)
automatically adopts its locking position. l