Pushing fireproof doorlock

Pushing fireproof doorlock

  • CN 2,615,280 Y
  • Filed: 03/31/2003
  • Issued: 05/12/2004
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
Patent Images

1. The flat push type fireproofing door lock comprises lock housing, dead bolt, turn-knob, lock core, it is characterized in that:

  • have rotating shaft to connect lock housing on the dead bolt, shifting block is arranged on the dead bolt, a driving lever is arranged, driving lever is chevron shaped, the middle part of driving lever has rotating shaft to connect lock housing, the top of driving lever is corresponding with shifting block on the dead bolt, and there is an overhanging shift fork at the driving lever middle part, and lock housing is stretched out at the rear portion of driving lever, lock core connects eccentric rod, eccentric rod is corresponding with the overhanging shift fork at driving lever middle part, connects an eccentric rod on the turn-knob, and eccentric rod is corresponding with the driving lever middle part.

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