Internal installed security lock

Internal installed security lock

  • CN 2,440,905 Y
  • Filed: 09/19/2000
  • Issued: 08/01/2001
  • Est. Priority Date: 09/19/2000
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of built-in type theftproof lock, comprise tapered end and lock body, lock body comprises drain pan (1), face-piece (2), liner plate (3), main dead bolt (4) and oblique tongue (5), main dead bolt (4) and oblique tongue (5) wherein are housed on drain pan (1), main dead bolt (4) is provided with a push rod (6), tiltedly tongue (5) is provided with one " L " shape shifting block (7), and " L " shape shifting block (7) is provided with an oblique tongue dial hole (8), connects by push rod (6) and " L " shape shifting block (7) between main dead bolt (4) and the oblique tongue (5);

  • Drain pan (1) and face-piece (2) are formed a lock housing and are fixed on the liner plate (3), it is characterized in that;

    described tapered end is made up of inner lock head (9) and outer tapered end (10), inner lock head (9) and outer tapered end (10) are cross-key four row'"'"'s pellet shot from a slingshot top shelves formula structures (11), be with an anti-drill bushing (12) on the tapered end (10) outside again, wherein be provided with a shift fork (13) between inner lock head (9) and the outer tapered end (10), inside and outside tapered end (9,10) is connected and fixed by tapered end frame (14) becomes one;

    Described tapered end vertically interts on lock housing, and is fixed on the lock housing with a screw (15), and the position correspondence of the shift fork (13) between inside and outside tapered end (9,10) is on the toggle mechanism (16) of main dead bolt (4).

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