Cradle

Abstract

A cradle includes a base, a support, a movable bed compartment, a wire-winding barrel, first and second wire bodies. The compartment is movably connected with the support arranged on the base in a suspended manner. First and second fixed ends are arranged on the bottom face of the compartment in the moving direction of the compartment. The barrel is located between the first and second fixed ends. The barrel is rotationally fixed to the face of the base facing to the compartment. The first and second wire bodies are respectively wound on the barrel, and the winding direction of the first wire body is opposite to that of the second wire body. The free end of the first wire body and the free end of the second wire body are respectively connected with the first fixed end and the second fixed end by means of an elastic member.

1 . A cradle, characterized in that, the cradle comprises a base, a support, a movable bed compartment, a wire-winding barrel, a first wire body and a second wire body, and the movable bed compartment is movably connected with the support disposed on the base in a suspended manner;
 a first fixed end and a second fixed end are arranged on a bottom face of the movable bed compartment in a moving direction of the movable bed compartment, the wire-winding barrel is located between the first fixed end and the second fixed end, and the wire-winding barrel is rotationally fixed to a face of the base facing to the movable bed compartment;   the first wire body and the second wire body are respectively wound on the wire-winding barrel, a winding direction of the first wire body is opposite to a winding direction of the second wire body, a free end of the first wire body is connected with the first fixed end, and a free end of the second wire body is connected with the second fixed end.   
     
     
         2 . The cradle according to  claim 1 , characterized in that, the wire-winding barrel comprises a first V-shaped opening and a second V-shaped opening, opening directions of the first V-shaped opening and the second V-shaped opening are consistent with a rotation direction of the wire-winding barrel, the first wire body is wound on the first V-shaped opening, and the second wire body is wound on the second V-shaped opening. 
     
     
         3 . The cradle according to  claim 2 , characterized in that, a V-shaped included angle between the first V-shaped opening and the second V-shaped opening is 30° to 120°. 
     
     
         4 . The cradle according to  claim 1 , characterized in that, the wire-winding barrel is driven by a motor. 
     
     
         5 . The cradle according to  claim 1 , characterized in that, side faces of the movable bed compartment are connected with the movable bed compartment by means of hinges to serve as bed compartment flaps. 
     
     
         6 . The cradle according to  claim 1 , characterized in that, plug pins are provided on the bed compartment flaps, the plug pins penetrate through the bed compartment flaps in a direction parallel to the bed compartment flaps to enter pin grooves disposed in the movable bed compartment. 
     
     
         7 . The cradle according to  claim 1 , characterized in that, the cradle further comprises support connection members and rolling wheels, wherein the support connection members are disposed on connection corners of the base, and the rolling wheels are fixedly connected with the support connection members and face towards a ground. 
     
     
         8 . The cradle according to  claim 1 , characterized in that, the first free end and the first fixed end as well as the second free end and the second fixed end are both connected by means of elastic members.