A connecting device for combining a wheelchair and a trunk includes a body and a connecting unit.The body is provided with a combined grip at the opposite two ends, which is used to connect the connecting device with the handle provided for the wheelchair.The connecting unit is connected to one side of the body and comprises a pair of fixing parts, which are respectively spaced on the opposite two sides of the connecting unit.Each fixing part is provided with a fixing groove, which are arranged in opposite directions to each other for embedding in the two pull rods of the trunk, so that the trunk is combined with the connecting device.The body or the combined grip is used for the hand grip to push the wheelchair, and the trunk is moved simultaneously by the connecting device.一種用以結合輪椅和行李箱之連接裝置，其包括本體及連接單元。本體相對二端部分別設有一結合握把，該結合握把用以對應套入輪椅所設之把手，使連接裝置結合於輪椅。連接單元係連接於本體之一側，並包括一對固定部，其分別間隔設於連接單元之相對二側。每一固定部設有一固定槽，該些固定槽相互呈反向設置，用以嵌卡於行李箱之二拉桿，使行李箱結合於連接裝置。本體或該結合握把係供手握持，用以推動輪椅，並藉由連接裝置同時移動行李箱。
