A kind of locking pliers of adjustable jaw open width

A kind of locking pliers of adjustable jaw open width

  • CN 207,771,636 U
  • Filed: 12/28/2017
  • Issued: 08/28/2018
  • Est. Priority Date: 12/28/2017
  • Status: Active Grant
First Claim
Patent Images

1. a kind of locking pliers of adjustable jaw open width, it is characterised in that:

  • By fixed handle, adjusting screw, movable handle, disengagementHandle, lever, tension spring, supports nail rod, compressed spring, upper clamp nozzle and lower clamp nozzle composition at link block;

    The fixed handle nose width is more than rear end width, and the cross section of fixed handle front end is U-shaped, is opened in the front end of fixed handleEquipped with penetrating regulating tank, regulating tank is through-hole, the front end of regulating tank is provided with locating groove, the quantity of locating groove is manyIn two, the inner wall in fixed handle front end is equipped with lower clamp nozzle, and lower clamp nozzle includes pincers point, pincers tail one and pincers tail two, pincers point, pincers tailTriangle is formed between one and pincers tail two;

    The limit protrusion on pincers tail one on lower clamp nozzle is movably arranged in regulating tank, solidDetermine handle inner wall and be located at the rear of regulating tank to be additionally provided with abutting block, is provided with compressed spring between block and lower clamp nozzle pushing against, usesLower clamp nozzle is limited in scheduled locating groove in providing tensile force;

    It is installed with upper clamp nozzle in the front end of fixed handle,The rear for being located at regulating tank on the inside of fixed handle is also connected with lever, the other end of lever and the tail end of link block, movable handleTop be movably hinged, be flexibly connected by same axle center between three;

    The other end of link block and pincers tail twoFlexible connection;

    Tension spring is also associated in the middle part of lever, the other end of tension spring is located at the middle part or rear portion of fixed handle inner wall;

    The rear for being located at abutting block on movable handle is also connected with to nail rod, and the other end to nail rod stretches in fixed handleThe middle rear end of wall, and being pushed against by the adjusting screw of fixed handle tail end, the internal thread of adjusting screw and fixed handle tail end intoRow is matched.

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