Tungsten Steel Push Rod

The utility model discloses a tungsten steel push rod. The tungsten steel push rod comprises a cylindrical push rod body, wherein the cylindrical push rod body comprises a first push rod part, a second push rod part and a third push rod part, which are coaxially arranged from left to right; the periphery of the first push rod part is annularly provided with a groove around the cylindrical push rod body, four first planes are uniformly distributed at the periphery of the second push rod part annularly, four second planes are uniformly distributed into a circle at the periphery of the third push rod part, a first threaded hole is formed at the center of one side (far away from the second push rod part) of the third push rod part, the first threaded hole extends into the first push rod part from the third push rod part and does not penetrate through the first push rod part, a second threaded hole is formed in one second cambered surface and perpendicular to the axis direction of the push rod body, and the second threaded hole extends into the first threaded hole.

The tungsten steel push rod has high dimensional accuracy, and the dimensional precision of the tungsten steel push rod is still in a required precision range after the tungsten steel push rod is used for multiple times.

A tungsten steel push rod, characterized in that the pusher comprises a cylindrical body, said body including a pusher disposed coaxially from the left to the right of the first portion of the push rod, the push rod and push the second portion The third part of the rod, the outer diameter of the push rod is equal to the outer diameter of the first portion of the third portion of the push rod, the push rod is greater than the outer diameter of the first portion of the outer diameter of the second portion of the pusher; said push The first portion of the outer lever body around the axis of the push rod the annular groove is provided; second portion of said peripheral annular pusher uniform four first plane, the angle between adjacent two of said first plane 90 °, between the two first curved surface disposed adjacent to the first plane, the radius of the first curved surface is equal to the radius of the second portion of the pusher; third portion of said peripheral annular pusher uniform four a second plane, the angle between two of said second plane o is 90 °, the second plane disposed between adjacent two of the second arc, the radius of the arc is equal to the second section of the push rod a portion of the radius; third portion away from the center of the push rod side of the second portion of the pusher of the first threaded hole is provided, extending from said first threaded bore of said push rod to the push rod of the first part of the third portion inside, but does not penetrate the first portion of the push rod, wherein the axial direction in a direction perpendicular to said second plane of said body is provided with a second push rod threaded hole, the second screw extending through said first aperture threaded hole.


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