Safety belt retaining ring

本发明公开了一种安全带扣环。该安全带扣环包括：一个主体框架；一个释放钮，可滑动地联结到主体框架上，用于使安全带舌状件从安全带扣环中脱扣；一个闭锁杆，可以绕翼枢转一个预定的角度；一个滑子，用于支撑和固定闭锁杆；以及一个弹射器，用于沿作为主体框架长度方向的纵向方向推压舌状件。主体框架具有一个弓形支撑梁，该支撑梁以下述方式与主体框架整体形成，即，支撑梁竖立在垂直方向。该支撑梁用于限制滑子的运动并增强安全带扣环的结构刚性。滑子的宽度大于主体框架的宽度，并具有冲击吸收装置，用于增加安全带扣环的耐用性。滑子上形成有倾斜凸起。释放钮具有至少两个释放凸起，这些凸起上形成有倾斜表面，这些倾斜表面与滑子的倾斜凸起接触。 Disclosed is a seat belt buckle. The seat belt buckle comprises a body frame; a release button slidably coupled to the body frame for unlatching a seat belt tongue from the seat belt buckle; a locking lever capable of being pivotally rotated about wings by a predetermined angle; a slider for supporting and fixing the locking lever; and an ejector for pushing the tongue in a longitudinal direction which is a lengthwise direction of the body frame. The body frame has an arch-shaped supporting beam which is integrally formed with the body frame in a manner such that the supporting beam is erected in a vertical direction. The supporting beam serves to limit movement of the slider and increase structural rigidity of the seat belt buckle. The slider has a width which is greater than that of the body frame and possesses shock-absorbing means for increasing durability of the seat belt buckle. The slider is formed with inclined projections. The release button has at least two release projections which are formed with inclined surfaces which are in turn brought into contact with the inclined projections of the slider.