A kind of piston limit mechanism

A kind of piston limit mechanism

CN
  • CN 204,718,507 U
  • Filed: 04/17/2015
  • Issued: 10/21/2015
  • Est. Priority Date: 04/17/2015
  • Status: Active Grant
First Claim
Patent Images

1. a piston limit mechanism, it is characterized in that, comprise axle sleeve, described axle sleeve has default thickness and height, described sleeve outer surface is provided with a continuous print annular groove along its circumference, described annular groove has high point and a low spot, and described height point and low spot have the horizontal segment of predetermined angle scope respectively;

  • Also comprise a cylindrical roller, described cylindrical roller is arranged on the lower end of piston rod, described cylindrical roller can rotate freely relative to described piston rod, diameter and the thickness of the width of described annular groove and the degree of depth and cylindrical roller are suitable, move along the track of described annular groove to enable described cylindrical roller.

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