| 摘要 |
An oil hydraulic device for a lid of a garbage can includes a pressure valve, a pushing valve, a hydraulic pipe, a reducing valve and a pedal. The pressure valve is connected to a container of the garbage can, and has a piston capable of moving forwards on the pedal's downward movement. The hydraulic pipe is connected to the pressure valve from a lower end, and the pushing valve from an upper end. The pushing valve is secured to an upper part of the container, and has a piston rod movable upwards to pivot a movable member on said garbage can to open said lid connected to said movable member. The reducing valve is connected to an intermediate portion of said pipe for absorbing a part of pressure of oil in said pipe on said pedal's downward movement.
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