Ultra-thin four-fold electric bed

Abstract

An ultra-thin four-fold electric bed is provided, and belongs to the technical field of folding beds. The ultra-thin four-fold electric bed includes a rear supporting frame, a front supporting frame, a front hip bed plate, a rear hip bed plate, a leg bed plate, a footboard, a backrest bed plate, a headboard, a first driving member, and a second driving member. When a bottom of the rear hip bed plate and a bottom of the front hip bed plate are folded to each other, the rear supporting frame and the front supporting frame are located within the same plane. By using a four-section folding design and combining a staggered coplanar design of the rear supporting frame and the front supporting frame, all the supporting structures and the driving members are completely stored between the bed plates after folding, to implement thickness minimization.

What is claimed is: 
     
         1 . An ultra-thin four-fold electric bed, comprising a rear supporting frame and a front supporting frame, wherein both the rear supporting frame and the front supporting frame are foldable;
 a top of one end of the rear supporting frame is fixedly connected with a rear hip bed plate; a top of one end of the front supporting frame is fixedly connected with a front hip bed plate; the front hip bed plate is hinged with the rear hip bed plate through a first hinge member; one side of the front hip bed plate that is away from the rear hip bed plate is hinged with a leg bed plate; one side of the leg bed plate that is away from the front hip bed plate is hinged with a footboard through a second hinge member;   one side of the rear hip bed plate that is away from the front hip bed plate is hinged with a backrest bed plate; one side of the backrest bed plate that is away from the rear hip bed plate is hinged with a headboard through a third hinge member; a first driving member for driving the backrest bed plate to rotate upwards is arranged at a bottom of the rear hip bed plate; a second driving member for driving the leg bed plate to rotate upwards is arranged at a bottom of the front hip bed plate; and when the bottom of the rear hip bed plate and the bottom of the front hip bed plate are folded to each other, the rear supporting frame and the front supporting frame are located within the same plane.   
     
     
         2 . The ultra-thin four-fold electric bed according to  claim 1 , wherein the rear supporting frame comprises two rear supporting rods; the two rear supporting rods are respectively fixed at two ends of the bottom of the rear hip bed plate; a first mounting slot is provided in one end of each rear supporting rod that is away from the rear hip bed plate; rear expansion rods are fixedly mounted in the first mounting slots through two groups of first locking bolts; and first supporting legs are mounted at bottoms of the rear expansion rods through screws. 
     
     
         3 . The ultra-thin four-fold electric bed according to  claim 2 , wherein the first driving member comprises a first linear actuator; one end of the first linear actuator is fixed at the bottom of the rear hip bed plate; a first cross beam is fixedly connected between the two rear supporting rods; another end of the first linear actuator is fixed on the first cross beam; two opposite side surfaces of a first sliding platform of the first linear actuator are hinged with first supporting rods; the first supporting rods are hinged with a bottom of the backrest bed plate through first linkage plates; upper ends of the first supporting rods are rotatably provided with first rollers; and the first rollers are in rolling contact with the bottom of the backrest bed plate. 
     
     
         4 . The ultra-thin four-fold electric bed according to  claim 1 , wherein the front supporting frame comprises two front supporting rods; the two front supporting rods are respectively fixed at two ends of the bottom of the front hip bed plate; a second mounting slot is provided in one end of each front supporting rod that is away from the front hip bed plate; front expansion rods are fixedly mounted in the second mounting slots through two groups of second locking bolts; and second supporting legs are mounted at bottoms of the front expansion rods through screws. 
     
     
         5 . The ultra-thin four-fold electric bed according to  claim 4 , wherein the second driving member comprises a second linear actuator; one end of the second linear actuator is fixed at the bottom of the front hip bed plate; a second cross beam is fixedly connected between the two front supporting rods; another end of the second linear actuator is fixed on the second cross beam; two opposite side surfaces of a second sliding platform of the second linear actuator are hinged with second supporting rods; the second supporting rods are hinged with a bottom of the leg bed plate through second linkage plates; upper ends of the second supporting rods are rotatably provided with second rollers; and the second rollers are in rolling contact with the bottom of the leg bed plate. 
     
     
         6 . The ultra-thin four-fold electric bed according to  claim 5 , wherein the front expansion rods are hinged with the footboard through first connection plates. 
     
     
         7 . The ultra-thin four-fold electric bed according to  claim 1 , wherein the rear supporting frame and the front supporting frame are both arranged in a splayed manner. 
     
     
         8 . The ultra-thin four-fold electric bed according to  claim 1 , wherein the rear supporting frame and the front supporting frame are staggered, and the first linear actuator and the second linear actuator are staggered. 
     
     
         9 . The ultra-thin four-fold electric bed according to  claim 3 , wherein motors of both the first linear actuator and the second linear actuator are respectively accommodated in motor slots, and the motor slots are respectively provided in the bottom of the rear hip bed plate and the bottom of the front hip bed plate.