Puncture core tip and puncture core and puncture device with same

Puncture core tip and puncture core and puncture device with same

  • CN 105,935,307 B
  • Filed: 06/27/2016
  • Issued: 08/06/2021
  • Est. Priority Date: 06/27/2016
  • Status: Active Grant
First Claim
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1. A piercing core tip, comprising:

  • the tip body and a plurality of separation structures;

    the surface of the front part of the tip body is a puncture acting surface, and the puncture acting surface is provided with a contour line;

    the contour line comprises at least two straight line segments, and a convex rib structure is formed between the puncture action surfaces of the parts corresponding to the adjacent straight line segments;

    or the contour line comprises a curved line section and at least two straight line sections, and a convex rib structure is formed between the straight line sections and the adjacent straight line sections or the parts of the puncture action surfaces corresponding to the curved line sections;

    along the puncture direction of the puncture core tip, the included angles between the at least two straight line sections and the central axis of the tip body are gradually increased, and the included angles are acute angles;

    the plurality of separation structures are distributed on the puncture action surface, any separation structure has a unidirectional separation direction, and the separation directions of the separation structures are the same.

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