Novel vane type shutter door lock

The utility model discloses a novel vane type shutter door lock, include lock body, back shroud, go up pulling -on piece and lower pulling -on piece, upper and lower pulling -on piece lower extreme diverges respectively and the installing before the lock body of partial stack, back both sides, is equipped with with the inboard rack upper end cooperation of last pulling -on piece in the lock body and promotes to go up the dual gea that the pulling -on piece stretches out from the lock body upper end, and the inboard rack lower extreme cooperation of going up the pulling -on piece has and drives and promote down the lower gear that the pulling -on piece stretches out from the lock body lower extreme by the pull -up piece, like this, the key makes progress the jack -up blade and unblanks, and the key is rotatory, and drive the square cotter and the slide straight line slides, and the slide promotes dual gea and rotates and drive and go up the pulling -on piece upward movement, goes up the rotation that the pulling -on piece drove down the gear simultaneously, and lower gear promotes down the pulling -on piece through the inboard rack of pulling -on piece down and follows the lock body lower extreme and stretch out, plays the purpose of shutting.