The present invention relates to a latch type electric bike for a wheelchair. According to an electric wheelchair which is used by connecting a wheelchair for a disabled person or a patient to a driving part, the latch type electric bike for a wheelchair, comprises: the driving part which consists of a steering handle and an electric wheel driven by a battery a connecting frame mounted on a rear surface of the driving part latching pins connected to upper side surfaces of both bent ends of the connecting frame, respectively, and coupling rings connected to lower front surfaces of the both ends connecting parts which consist of connecting brackets mounted on both sides of a front frame of the wheelchair, latching pieces attached to one upper side surface of the connecting brackets, and detachable latches attached to one lower side surface of the connecting brackets and auxiliary wheel legs which are connected to both sides of the connecting frame, and to which auxiliary wheels are fixed. In regards to this, each of the latch pins, which is connected to both upper ends of the connecting frame, is inserted into latching grooves formed on upper parts of the connecting parts to be fixed by latching, and each of the coupling rings, which is connected to both lower ends of the connecting frames, is inserted into detachable latches on lower parts of the connecting parts to be fixed by coupling. Accordingly, since the driving part can easily be connected or disconnected by a disabled person or a patient even in a sitting position on the wheelchair, the wheelchair is ordinarily be used as a normal wheelchair, but can simply be converted into an electric wheelchair as required.COPYRIGHT KIPO 2016본 발명은 래치형 휠체어 전동 바이크에 관한 것으로서, 장애인 또는 환자용 휠체어에 구동부를 연결하여 사용하는 전동 휠체어에 있어서, 조향 핸들과 배터리에 의해 구동하는 전동바퀴로 구성된 구동부 상기 구동부의 후면에 장착되는 연결프레임 상기 연결프레임의 절곡된 양쪽 끝단의 상부의 측면으로 각각 연결된 걸림핀과 양쪽 끝단의 하부의 정면으로 각각 연결된 체결고리 상기 휠체어의 전면프레임 양쪽에 각각 장착되는 연결 브래킷과 이 연결 브래킷의 상단 일측면에 부착된 걸림편 및 하단 일측면에 부착된 착탈식 래치로 구성