Multifunctional backdoor limiting device

The utility model discloses a multifunctional backdoor limiting device, which comprises a backdoor limitator and a vehicle body limitator respectively arranged on a backdoor and a vehicle body. The backdoor limitator comprises a backdoor limitator frame, and the vehicle body limitator comprises a vehicle body limitator frame. The backdoor limitator frame and the vehicle body limitator frame are respectively provided with a left limiting face and a right limiting face arranged opposite to each other in the Y direction of the vehicle body. Buffering blocks are arranged between the left limiting faces and the right limiting faces. The two left limiting faces and the two right limiting faces arranged on the backdoor limitator frame and the vehicle body limitator frame are wedged respectively. Positioning inclined planes are arranged on the buffering blocks. The positioning inclined planes arranged on the two buffering blocks disposed on the backdoor limitator frame and the vehicle body limitator frame are wedged. The positioning inclined planes are perpendicular to the XZ plane of the vehicle body. The multifunctional backdoor limiting device can reliably and comprehensively limit the backdoor in the X, Y and Z directions, combine a buffering device with the limiting device, and facilitate installment.