Automobile back door lock with snow loading function

The automobile back door lock with the snow loading function comprises a shell, two connecting shafts are fixedly connected to the positions, close to the left side and the right side, of the front side of the shell, torsional springs are movably arranged on the edges of the outer sides of the two connecting shafts in a sleeved mode, clamping plates are arranged at the ends, close to the center of the shell, of the adjacent torsional springs in an attached mode, and the clamping plates are arranged on the clamping plates. According to the device, frequent unlocking caused by back-and-forth movement of the automobile back door buckle under the snow load condition can be avoided, and then the service life of the back door lock is guaranteed. 本实用新型提供一种具有雪载功能的汽车背门锁，包括壳体，所述壳体的前侧靠近左右两侧处均固定连接有两个连接轴，且两个所述连接轴的外侧边缘均活动套设有扭簧，相邻的所述扭簧靠近壳体中心处的一端处均贴合设置有卡板，使得该设备具有能够避免出现雪载的情况下，汽车背门卡扣来回活动，导致的频繁开锁，继而保障了背门锁的使用寿命。