Hydraulic cylinder

Hydraulic cylinder

  • CN 101,936,356 A
  • Filed: 03/30/2010
  • Published: 01/05/2011
  • Est. Priority Date: 06/30/2009
  • Status: Active Grant
First Claim
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1. oil hydraulic cylinder is characterized in that having:

  • Cylinder body, its inclosure has working solution;

    Piston rod, the one end extends to the outside of described cylinder body;

    Link, the one end is fixed on the outer surface of described cylinder body, and the other end working solution interior with making described cylinder body is connected to the pipe arrangement of outside circulation;

    AndDamping force generating mechanism, it is located at the inside of described link, produces damping force by control because of the flowing of working solution that the stroke of described piston rod produces;

    Described damping force generating mechanism is made of valve base part and circular moushroom valve, and this valve base part is incorporated in the described link and has path and the valve seat that described working solution is flowed, and this moushroom valve is installed on the valve seat that is arranged at described valve base part;

    Described link is fixed by welding at its fixing part;

    The internal diameter area of described fixing part is littler than the external diameter area of described moushroom valve.

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