The utility model discloses a torsion arm of an automobile seat. The device belongs to the field of powder metallurgy technology and solves the problems of low transmission efficiency, poor stability and low fracture strength of the torque arm in the existing technology, including arc base and V-shaped base, the surface cover of the arc base is provided with convex teeth, the center of the convex teeth seat is provided with circular through-holes, the periphery of the circular through-holes is distributed with multiple arc convex teeth along the circumference direction, and the back surface of the arc base is provided with circular through-holes. A circular inclined plane is arranged outside the end face of the V-shaped through hole. A waist hole is arranged along the radial direction on the surface of the V-shaped base, and a round hole is arranged on one side of the waist hole. The utility model uses an arc base to tightly connect the transmission shaft and a V-shaped base to transfer the torque quickly, realizes the rapid transmission of the torque and ensures the stability of the operation. The die is set in two parts, and the powder metallurgy process is adopted to satisfy the shape design, and the fracture strength is high, and the mechanical properties of the parts are ensured.
【技术实现步骤摘要】
一种汽车座椅扭矩臂
本技术属于粉末冶金
,具体地说,尤其涉及一种汽车座椅扭矩臂。
技术介绍
汽车座椅位置调节装置通常以直流电机带动齿轮传动系统完成输出扭矩,扭矩臂是齿轮传动系统的重要组成部分。目前市场上的扭矩臂大多起到单纯传递扭矩的功能,无法保证传动的稳定性,有的虽然设置了传动附件,但却导致断裂强度大幅下降,令实用性大打折扣。
技术实现思路
本技术目的在于提供一种扭矩传递效率高、稳定性强、断裂强度高的汽车座椅扭矩臂。为了实现上述技术目的,本技术汽车座椅扭矩臂采用的技术方案为:一种汽车座椅扭矩臂,包括弧形底座和V形底座,所述弧形底座表面盖设有凸齿座,所述凸齿座中心处开设有圆形通孔,所述圆形通孔贯穿至弧形底座背面,所述圆形通孔外围沿圆周方向均布有多个弧形凸齿,所述弧形凸齿之间弧性连接,所述弧形底座背面设有沿圆形通孔端面外围设置的环形斜面,所述弧形底座的直线形端口与V形底座的直线形端口固定连接为一体,所述V形底座表面沿径向方向开设有腰形孔,所述腰形孔一侧设有圆孔。优选的,所述弧形底座直径达70mm,所述圆形通孔直径达28.915mm,所述环形斜面外径达51.2mm。优选的,所述弧形底座中心与弧形凸齿端点之间的距离为27mm,所述弧形底座中心与圆孔孔心之间的距离为34.5mm。优选的,所述弧形凸齿顶端呈圆形,半径达2.89mm,所述圆孔直径达8.5mm。优选的,所述弧形凸齿的面轮廓度为0.16,弧形凸齿之间的夹角为27.6923°。优选的,所述弧形底座端面的平面度为0.2,所述凸齿座端面的平面度为0.2。优选的,所述汽车座椅扭矩臂密度最小为7.1g/cm3,硬度 ...
【技术保护点】
1.一种汽车座椅扭矩臂,其特征在于:包括弧形底座和V形底座,所述弧形底座表面盖设有凸齿座,所述凸齿座中心处开设有圆形通孔,所述圆形通孔贯穿至弧形底座背面,所述圆形通孔外围沿圆周方向均布有多个弧形凸齿,所述弧形凸齿之间弧性连接,所述弧形底座背面设有沿圆形通孔端面外围设置的环形斜面,所述弧形底座的直线形端口与V形底座的直线形端口固定连接为一体,所述V形底座表面沿径向方向开设有腰形孔,所述腰形孔一侧设有圆孔。
【技术特征摘要】
1.一种汽车座椅扭矩臂,其特征在于:包括弧形底座和V形底座,所述弧形底座表面盖设有凸齿座,所述凸齿座中心处开设有圆形通孔,所述圆形通孔贯穿至弧形底座背面,所述圆形通孔外围沿圆周方向均布有多个弧形凸齿,所述弧形凸齿之间弧性连接,所述弧形底座背面设有沿圆形通孔端面外围设置的环形斜面,所述弧形底座的直线形端口与V形底座的直线形端口固定连接为一体,所述V形底座表面沿径向方向开设有腰形孔,所述腰形孔一侧设有圆孔。2.根据权利要求1所述的汽车座椅扭矩臂,其特征在于:所述弧形底座直径达70mm,所述圆形通孔直径达28.915mm,所述环形斜面外径达51.2mm。3.根据权利要求1所述的汽车座椅扭矩臂,其特征在于:所述弧形...
【专利技术属性】
技术研发人员:徐海,胡云峰,邬全,朱成俊,何万好,
申请(专利权)人:扬州意得机械有限公司,
类型:新型
国别省市:江苏,32
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