| 摘要 |
PURPOSE: A door key provided with a dual locking device is provided to prevent the door from opening by a burglar by forming the door key with the dual locking device. CONSTITUTION: A door key provided with a dual locking device includes a main body(1), a plurality of push buttons(4) installed on a front peripheral surface of the main body(1) and a key module(3) formed at the front central portion of the main body(1). The door key further includes a pushing block provided with the plurality of push buttons(4) on the front end, a protrusion formed at the end portion of the pushing block, an insertion hole formed on the peripheral surface of the key module(3), a moving block formed between the insertion hole and the protrusion and a spring installed between the end portion of the push buttons(4) and the main body(1).
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