Elevator without machine room

According to the elevator without the machine room, a lift car can ascend and descend in a hoistway, and a lift car diversion sheave is arranged at the bottom of the lift car; the traction device is used for being installed on a hoistway and located on the side face of the lift car. The counterweight is arranged on the rear side of the lift car, two counterweight diversion sheaves are arranged on the counterweight, and rope outlet points of the counterweight diversion sheaves are located outside the projection of the counterweight; and the steel wire rope is sequentially wound on the lift car diversion sheave, the traction device and the counterweight diversion sheave. Due to the fact that the counterweight is arranged on the rear side of the hoistway, the width size of the hoistway can be saved, the width of the hoistway is reduced, the elevator without the machine room can be suitable for buildings with narrow hoistways, in addition, the elevator without the machine room can save fixed pulleys installed at