A movable bed frame comprising a frame, an electric actuator, a guide frame, a first plate body,a second plate body, a third plate body, a first pushing unit and a linkage frame； wherein the frame has a front pole； the electric actuator is mounted on the frame； and the guide frame is pivoted on the front pole And being driven by the electric actuator to swing up and down； the first plate body is mounted on the front end of the guide frame； the second plate body is pivotally disposed at the rear end of the first plate body and is located at the first plate body and the frame The third plate body can be pivoted up and down on the front pole and located between the second plate body and the frame； the first pushing unit can be selectively disposed on the second plate body and used to push the third plate The body is disposed on the third plate body and is used for pushing the second plate body； the linkage frame has a frame body and a second pushing unit, and the frame system can be pivoted up and down on the front pole, and the second pushing The unit is pivotally connected to the frame body and the guide frame and is used for pushing the second or third plate body； wherein when the guide frame is driven to be pivoted upward by the electric actuator, the second pushing unit is pushed to push the second plate The body or the third plate body pivots upward, and the first pushing unit pushes the third plate body or the second plate body to pivot upward.一種活動床架，包含一框架、一電致動器、一導動架、一第一板體、一第二板體、一第三板體、一第一頂推單元以及一連動架；其中，框架具有一前接桿；電致動器裝設於框架；導動架樞設於前接桿並可受電致動器驅動進行上下樞擺；第一板體裝設於導動架前端；第二板體可上下樞擺地樞設於第一板體後端並且位於第一板體以及框架之間；第三板體可上下樞擺地樞設於前接桿並且位於第二板體以及框架之間；第一頂推單元可選擇地設置於第二板體並用以頂推第三板體，或設置於第三板體並用以頂推第二板體；連動架具有一架體以及一第二頂推單元，架體係可上下樞擺地樞設於前接桿，第二頂推單元樞接於架體及導動架並用以頂推第二或第三板體；其中，當導動架受電致動器驅動向上樞擺時，係帶動第二頂推單元頂推第二板體或第三板體向上樞擺，連帶帶動第一頂推單元頂推第三板體或第二板體向上樞擺。
