| 摘要 |
A push-pull door lock chiefly comprising a sleeve on one side of a conventional door lock and a sleeve with a pull ring on the front edge on another side thereof, wherein two rollers are pivotally mounted in the sleeve and two protruding shafts are provided to the end of sleeve, each one neck of the conventional door lock handle is provided with an inclined slide groove to receive each one roller on the sleeve, each one thimble is provided to each one fixing ring on both sides of the conventional door lock so as to respectively install a compression spring and a stretch spring and to receive the two protruding shafts on the sleeve; therefore, a push-press handle is on the one side of door lock and a pull-open handle is on the another side thereof, and through pushing the sleeve on the one side of the conventional door lock by any one portion of the user's body or pulling the pull ring on the front of sleeve on the another side thereof by his any one finger, the sleeve actuates the door lock handle to rotate, and the lock tongue is thus retracted inwards, so that the purpose of opening the door can be achieved.
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