Wheel-type stair-climbing wheelchair

The utility model discloses a wheel type stair climbing wheelchair which is designed for solving the problems that an existing stair climbing wheelchair is complex in structure, poor in safety and the like. The wheel type stair climbing wheelchair comprises a seat, a driving device and a transmission mechanism connected with the driving mechanism. Front planet wheels and rear planet wheels are arranged on the two sides of the transmission mechanism, and the front planet wheels and rear planet wheels on the two sides of the transmission mechanism are connected with the seat through inverse parallelogram adjusting mechanisms. When the wheelchair climbs stairs, the angle of the seat is adjusted through the inverse parallelogram adjusting mechanisms. When the wheel type stair climbing wheelchair is used for climbing stairs, the angle of the seat can be adjusted through the inverse parallelogram adjusting mechanisms, the position of the center of the gravity of a user is adjusted accordingly, the balance of the user is ensured, the safety of the wheel type stair climbing wheelchair in the stair climbing process is improved, the inverse parallelogram adjusting mechanisms are simple and reliable in structure, and the production cost of the wheel type stair climbing wheelchair is greatly lowered.