13results about How to "Flexible folding" patented technology

The utility model discloses a stroller frame which comprises rear legs, the upper ends of the rear legs are rotatably connected with front legs around a first axis, the lower ends of the front legs and the rear legs are provided with wheels, the upper ends of the rear legs are rotatably connected with supporting rods around a second axis, the upper ends of the supporting rods are connected with hand push rods, and the hand push rods are connected with the wheels. The upper end of the supporting rod E is rotatably hinged to the hand push rod around a third axis and is close to the position of the lower end of the hand push rod, a transmission rod hinged to the hand push rod and the rear leg is arranged between the lower end of the hand push rod and the rear leg, a protruding part protruding forwards is arranged at the lower end of the transmission rod, and a linkage rod hinged to the protruding part and the front leg is arranged between the protruding part and the front leg. The stroller frame further comprises a seat frame, the rear end of the seat frame is rotatably connected with the rear legs around a fourth axis, and a sliding portion capable of sliding up and down along the front legs is arranged on the front portion of the seat frame. The folding chair is simple in structure, smooth in folding and small in size after being folded.

The utility model discloses a novel collapsible leather shadow play support, is rectangular frame structure, contains both side stand and the horizontal pole of hinged in stand end, and the horizontal pole middle part has the hinge and can be folded. The stand axial direction is equipped with the connecting cylinder, and there is locking structure between the cylinder, and the folded horizontal pole is limited by it, and the fixed block limit horizontal pole rotation is slidably arranged at the both ends of stand. The locking structure is composed of the first, second connecting plate and bolt on the connecting cylinder, and the fixed block is in the form of a Chinese character, and the end of connecting cylinder has the connection buckle and the fixed block top storage block can be bolted. The outer wall of stand and horizontal pole has annular groove, and corresponds with the curtain magic tape band, and the horizontal pole is composed of the articulated telescopic link. The support can be folded flexibly, solves the traditional fixed support inconvenient handling, and installs and removes complicated problem, and handles the labor saving space, can adjust flexibly according to the site, and the installation and removal are convenient, improve the preparation efficiency and mobility, and the structure is stable, and the curtain installation is convenient, and the flexibility and adjustability are strong.

The utility model belongs to the technical field of child dining chairs, and discloses a one-key folding type child dining chair which comprises a seat, and a rail is arranged at the bottom of the seat. The backrest is hinged with one end of the seat; armrests are hinged to the two opposite sides of the backrest and extend in the direction away from the backrest; the top of the front supporting leg is connected with the first hinge shaft; the rear supporting legs are crossed with the front supporting legs, supporting rods are hinged to the tops of the rear supporting legs, and the other ends of the supporting rods are hinged to the sides, away from the backrest, of the armrests; the locking seat is fixed on the periphery of the supporting rod, and a locking rod matched with the locking seat is arranged in the locking seat; the locking seat is fixedly connected with a cross rod matched with the track; one end of the force application component is connected with the locking rod, the locking rod is separated from the locking seat by pulling the force application component, and the cross rod can slide along the track. The dining chair can be synchronously folded through single action, and the folding efficiency of the dining chair is improved.