A folding back seat device of a bicycle comprises a back seat body. The back seat body is of a steel frame structure, the back end of the back seat body is connected with a seat cushion substrate through hinges in a hinged manner, the hinges comprise two first 90-degree positioning hinges, the seat cushion substrate comprises a steel frame plate, a soft mat cushion is arranged on the steel frame plate, the hinges also comprise two 180-degree positioning hinges, one side of the soft mat cushion is hinged to a backup plate through two second 90-degree positioning hinges, and the side, connected with the soft mat cushion of the seat cushion substrate, of the backup plate is provided with a soft mat back cushion. According to the invention, the back seat body is in contact with an object when the back seat is used for bearing the object, when a person is seated on the back seat, the seat cushion substrate is overturned, so that the person can be seated on the soft mat cushion and lean on the soft mat back cushion, and the soft mat cushion and the soft mat back cushion are folded when no person is seated on the back seat, so that the soft mat cushion and the soft mat back cushion are protected from being worn by external objects and the cleanness of the two are maintained.
Folding back seat device of bicycle
2015-10-07
Patent
Electronic Resource
English
IPC: | B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS |