Anti-prize door with lock protection and anti-prize device
The utility model relates to some deficiencies of previous patent of a multiple block bolt pry-proof door (patent number: ZL200520102174.5) concerning protection of block and lock body working face and proposes a pry-proof door with lock pry proof device. The pry-proof door with lock pry proof devic...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to some deficiencies of previous patent of a multiple block bolt pry-proof door (patent number: ZL200520102174.5) concerning protection of block and lock body working face and proposes a pry-proof door with lock pry proof device. The pry-proof door with lock pry proof device consists of a main lock and an auxiliary lock fixed on opening side of door and window and a lock hole installed on the door frame. The utility model is characterized in that on step-shape working face of the main lock and an auxiliary lock fixed on opening side of door and window, the middle step section has a pry-proof sheet that extends out; a through-hole corresponding to a second square bolt is made on the pry-proof sheet, and a second lock-hole through-hole is made on working face of the lock-hole piece of the pry-proof sheet; a pry-proof component integrated with lock-hole piece inside the lock-hole piece corresponding to door frame side of the pry-proof sheet above. One end of the pry-proof component is connected to inner side of the working face of the lock-hole piece, and the other end is closely attached to inner side of the step-shape working face close to outside of the lock-hole piece. A through-hole corresponding to a second square bolt is made on the pry-proof component above. |
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