Electric vehicle battery protection device

Electric vehicle battery protection device, through multiple energy dissipation structure can effectively avoid the impact of the vehicle when the battery caused by squeeze damage, while in normal driving can effectively damp the battery, improve the battery life; The technical solution comprises a frame, wherein a support plate is arranged on the frame, battery boxes are arranged on a plurality of support plates, card plates are arranged on adjacent support plates, a compression spring is connected between each card plate and the support plate, and a fixing plate is arranged at the lower endof the battery box; The left and right sides of the battery box are respectively provided with L-shaped baffles, The support plate is provided with a groove, the transverse plate end of the L-shaped baffle plate is provided with a guide plate, the guide plate is inserted in the groove, a shock-absorbing spring is connected between the vertical plate end of the L-shaped baffle plate and the side wall of the battery box, a wedge-shaped block is arranged between the guide plates, an inclined surface is arranged on the outer side of the card plate, and the L-shaped baffle plate slides inward to push the two card plates forward and backward through the wedge-shaped block; The invention has ingenious structure and novel conception.