Multifunctional anti-theft plug for sleeve

The invention discloses a multifunctional anti-theft plug for a sleeve. The multifunctional anti-theft plug comprises an anti-theft cover body, the lock body is arranged in the anti-theft cover body; the lock cylinder is arranged in the lock body; a plurality of pairs of communicated channels are arranged in the lock rods, the lock body and the lock cylinder; one end of the lock rod extends out through the corresponding pair of channels, and the other end of the lock rod is hinged to the lock cylinder. The one-way valve is arranged in the anti-theft cover body; the pressure measuring mechanism and the one-way valve can be installed together in an inserted mode. The multifunctional anti-theft plug for the casing pipe solves the problem that an existing regular oil fishing well is generally unattended and is prone to being damaged by illegal mining. 本发明公开了一种套管多功能防盗堵头，包括：防盗罩体；锁体，所述锁体设置在防盗罩体内；锁芯，所述锁芯设置在锁体内；多个锁杆，所述锁体和所述锁芯内均设置由多对相通的通道；所述锁杆的一端通过对应的一对通道伸出，另一端与所述锁芯铰接在一起；单向阀，所述单向阀设置在所述防盗罩体内；测压机构，所述测压机构与所述单向阀可插装在一起。该套管多