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发明公开
CN106458134A 气囊装置 审中-实审

气囊装置
摘要：
本发明提供一种气囊装置，在障碍物从斜前方碰撞的情况下，抑制乘员的头部在袋体(2)的表面滚动。气囊装置的袋体具备向后方膨胀展开的前方部(3)、从前方部(3)的左缘部向后方膨胀展开的左侧方部(4)以及从前方部(3)的右缘部向后方膨胀展开的右侧方部(5)，并且，通过车辆从斜前方受到冲击，成为向斜前方移位的头部的前表面按压前方部(3)的表面，并且，头部的侧表面按压左侧方部(4)或右侧方部(5)的表面的按压状态，在该状态下，因头部的前表面从前方部第一方向旋转的第一方向力矩，并且，因头部的侧表面从左侧方部(4)或右侧方部(5)受到的垂直力以及动摩擦力而产生使头部向与第一方向相反的方向旋转的第二方向力矩。(3)受到的垂直力以及动摩擦力而产生使头部向
摘要（英）：

Provided is an airbag device that suppresses rolling of the head of a passenger against the surface of a bag body (2) in the case of a collision with an obstacle from the diagonal front direction. The bag body of the airbag device is provided with: a front section (3) that expands/deploys to the back; a left side section (4) that expands/deploys to the back from the left edge of the front section (3); and a right side section (5) that expands/deploys to the back from the right edge of the front section (3). By means of the vehicle incurring a collision from the diagonal front direction, a pressed state results in which the front surface of the head positioned diagonally in front presses against the surface of the front section (3) and the side surface of the head presses against the surface of the left side section (4) or right side section (5), and in said state, a first direction moment is generated in a manner so as to rotate the head in a first direction as a result of the normal force and kinetic friction force that the front surface of the head receives from the front section (3), and a second moment is generated in a manner so as to rotate in the reverse direction from the first direction as a result of the normal force and friction force that the side surface of the head receives from the left side section (4) or right side section (5).

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