Pulling assisting device and server support

The utility model discloses an extraction assisting device. The extraction assisting device comprises a shell; a handle coupled to the housing and movable relative to the housing, the handle including an elongated slot; a cam member rotatably fixed to the housing and in linkage with the elongated slot of the handle, where the handle has an initial position, an extended position and an actuated position relative to the housing, the handle translates relative to the housing between the initial position and the extended position, and the actuated position is actuated between the extended position and the actuated position. The handle rotates relative to the housing between the extended position and the actuated position, and rotation of the handle drives the cam member to rotate. The pulling assisting device is easy to operate, convenient to use and attractive in appearance. 本申请公开了一种助拔器，其包括：壳体；手柄，联接到所述壳体且相对于所述壳体能移动，所述手柄包括长形槽；凸轮构件，能旋转地固定到所述壳体，且与所述手柄的长形槽连动，其中，所述手柄相对于所述壳体具有初始位置、伸出位置和致动位置，所述手柄在所述初始位置和所述伸出位置之间相对于所述壳体