Oil scooping valve used in hydraulic clamp

Oil scooping valve used in hydraulic clamp

  • CN 202,597,316 U
  • Filed: 05/19/2012
  • Issued: 12/12/2012
  • Est. Priority Date: 05/19/2012
  • Status: Active Grant
First Claim
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1. the valve of buying oil that is used for hydraulic tongs is characterized in that:

  • comprise the valve pump housing of buying oil, the valve piston of buying oil, the valve pressure cap of buying oil, the stage clip of buying oil, spring directional post, one-way valve one, oil sac passage, one-way valve two and oil cylinder passage;

    Be provided with a dozen cylinder bodies in the described valve pump housing of buying oil, this cylinder body of buying oil is separated by through the valve pressure cap of buying oil and is divided into upper cylinder half cavity and following cylinder cavity, and the valve pressure cap of buying oil closely cooperates with the cylinder body of buying oil;

    Buying oil has oil guiding hole on the valve pressure cap, has a newel post hole on the central axial direction of the said valve pressure cap of buying oil, and matches with the newel post of spring directional post front end in this newel post hole;

    The height of newel post is greater than the degree of depth in newel post hole;

    The described compression spring sleeve of buying oil is contained on the spring directional post, and the spring directional post is movably arranged on down in the cylinder cavity, and an end of described oil sac passage is provided with one-way valve one;

    The other end communicates with following cylinder cavity;

    One end of oil cylinder passage is provided with one-way valve two, and the other end communicates with the upper cylinder half cavity, and the described valve piston of buying oil is movably arranged on the upper cylinder half cavity.

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