Patent ID: 8539643
Filing Date: 2013-09-24
Classification: E05F,E05Y,Y10T

Abstract:
1. A damped spring hinge, comprising: a shaft seat having a seat body, the seat body having a shaft hole, a receiving hole, and an oil conduit formed therein, the receiving hole communicated with the shaft hole, the oil conduit connecting the shaft hole and the receiving hole at the opposite end portions thereof; a shaft rotatably disposed in the shaft hole of the seat body having a fixing surface is formed on the middle portion thereof; a sleeve sealingly disposed in the opening of the receiving hole; a sliding member having a thru hole formed on one end thereof slidably mated with the sleeve, wherein the thru hole end thereof abuts the fixing surface of the shaft, wherein the sliding member and the sleeve jointly defines an oil reservoir for storing hydraulic oil; an elastic unit disposed in the oil reservoir between the sleeve and the sliding member; a one-way valve disposed in the oil reservoir between the thru hole end of the sliding member and the elastic member; a throttle valve extending into the conduit of the shaft seat for regulating oil flow in the oil conduit; a first connecting member fixedly coupled to the shaft seat; and a second connecting member rotatably coupled to the shaft; wherein an opening is formed on one side of the sleeve and open to the oil conduit, the throttle valve is bolted to the seat body of the shaft seat, and the throttle valve has a tapered portion at one end for extending to the oil conduit and near the opening of the sleeve.