Patent ID: 9573642
Date: 2017-02-21
CPC Classifications: B62J

Claim:
1. A seat structure with function of suspension, comprising a seat tube and a cushion body installed on the seat tube, the seat tube and the cushion body being made of carbon-fiber materials, the cushion body comprising an integrated seat and a bracket, the bracket being installed on the seat tube, the bracket being an arc piece, a front end of the bracket and a front end of the seat being integrally molded and connected to form a first angle, a rear end of the bracket and a rear end of the seat being integrally molded and connected to form a second angle, both the first angle and the second angle being less than 90°, wherein the cushion body is installed on the seat tube through two adjustment bolts to adjust the position of the cushion body, a top face of the seat tube is formed with two elongate fixing holes, the bracket is provided with an upper gasket, the upper gasket is formed with an elongate slot, and the adjustment bolts pass through the respective elongate fixing holes and the elongate slot to be threadedly connected with fixing nuts, a lower adjustment chuck is provided between a bottom face of the bracket and the top face of the seat tube, the lower adjustment chuck includes a curved portion and two fixing portions extending levelly from two ends of the curved portion, the top face of the seat tube is formed with a curved recess corresponding to the curved portion, the curved portion is engaged in the curved recess, and the two fixing portions are formed with elongate through holes for the adjustment bolts to pass therethrough, each of the fixing portions is provided with an insertion portion protruding outward around the periphery of each of the elongate through holes, and the insertion portion passes through the bracket and the elongate slot of the upper gasket.