Folding back seat device of bicycle

Abstract

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.

Description

technical field [0001] The invention belongs to the field of bicycle accessories, in particular to a folding bicycle rear seat device. Background technique [0002] Bicycle is a means of transportation in people's daily life. Because of its environmental protection, many people use bicycles to travel. Another important function of bicycles is that the rear seat of the bicycle can carry people and loads except that it can be used instead of walking. However, the back seat of our bicycle is generally welded by several steel bars. If the back seat is full of people, the people on the back seat will feel very uncomfortable. Therefore, there are leather-covered bicycle back seats on the market, and then leather Because the back seat of the bicycle is relatively smooth, when the goods are loaded on the leather back seat, the goods are very easy to fall, and placing the goods on the leather back seat of the bicycle will cause certain wear and tear on the leather surface of the bac...

AI Technical Summary

Problems solved by technology

However, the back seat of our bicycle is generally welded by several steel bars. If the back seat is full of people, the people on the back seat will feel very uncomfortable. Therefore, there are leather-covered bicycle back seats on the market, and then leather Due to the smoothness of the rear seat of the bicycle, the goods are very easy to fall when loading on the leather rear seat, and placing the goods on the leather rear seat of the bicycle will cause certain wear and tear on the leather surface of the rear seat

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