JPH03121075U

JPH03121075U -

Info

Publication number: JPH03121075U
Application number: JP1990030203U
Authority: JP
Priority date: 1990-03-23
Filing date: 1990-03-23
Publication date: 1991-12-11

Description

[Brief explanation of the drawing]

第１図は本考案の自動車のステアリング支持構
造の側面図、第２図は衝撃が作用してエアバツグ
が展開したときの側面図、第３図は第１図の−
線矢視断面図、第４図は運転席の斜視図、第５
図はエアバツグ装置とそれを取り付けるステアリ
ングホイールのボス部の拡大斜視図、第６図は異
なる実施例における自動車のステアリング支持構
造の側面図、第７図は衝突時にシヤーピンが破断
されたときの側面図である。１……ステアリングホイール、４……エアバツ
グ、５……ステアリングシヤフト、６……後端部
、７……車体、９……ステアリングコラム、１０
……前端部、１１……コントロール機構、１２…
…後端部、１３……支持手段、１５……プツシユ
ロツド、１６……押下手段、１８，４６……剛性
低下部。 Fig. 1 is a side view of the steering support structure of an automobile according to the present invention, Fig. 2 is a side view of the airbag when it is deployed due to impact, and Fig. 3 is the same as Fig. 1.
Figure 4 is a perspective view of the driver's seat;
The figure is an enlarged perspective view of the air bag device and the boss part of the steering wheel to which it is attached, Figure 6 is a side view of an automobile steering support structure in a different embodiment, and Figure 7 is a side view when the shear pin is broken during a collision. It is. DESCRIPTION OF SYMBOLS 1... Steering wheel, 4... Airbag, 5... Steering shaft, 6... Rear end, 7... Vehicle body, 9... Steering column, 10
...Front end portion, 11... Control mechanism, 12...
...Rear end portion, 13... Supporting means, 15... Push rod, 16... Pushing means, 18, 46... Rigidity reducing portion.

Claims

[Scope of claim for utility model registration] (1) A steering wheel equipped with an airbag that deploys in front of the driver in the event of a collision is fixed to the rear end of a steering shaft, and the steering shaft is rotated by a steering column attached to the vehicle body. A steering support structure for an automobile is provided with a control mechanism that is freely supported and that pushes down the rear end of the steering column when the front end of the steering column retreats to the rear of the vehicle body in the event of a collision. a support means for supporting the rear end of the steering column to the vehicle body so as to be able to displace it downward; and a pushing means operated by a push rod that moves rearward of the vehicle body in the event of a collision to push down the rear end of the steering column; The vehicle is characterized in that the push rod is provided with a stiffness reducing portion that reduces the stiffness of the push rod after the pushing means is activated to push down the rear end of the steering column in the event of a collision. steering support structure. (2) The steering support structure for an automobile according to claim 1, wherein the stiffness reducing portion provided in the push rod comprises a notch formed in the push rod so as to bend the push rod. (3) The steering of an automobile according to claim 1, wherein the push rod is constituted by a plurality of rods connected via shear pins, and the shear pin interposed between the rods is the stiffness reducing portion. Support structure.