Quiet Low price mortise lock products, which include a fixed plate and an upper cover, a baffle with a lock hole is installed on the side of the fixed plate, a slanted lock bolt limiter is installed in the fixed plate, a slanted bolt baffle, and a lock rudder and the oblique lock tongue, square lock tongue and heaven and earth rod linked with it; the tail end of the oblique lock tongue is provided with a sliding bar, which can intersperse and slide on the oblique lock tongue limit frame and the oblique lock tongue baffle. A forward push spring is installed on the sliding bar between the tongue and the baffle of the oblique lock tongue, so that the oblique lock tongue is always kept in a pop-up state. The toggle rod on the rudder is placed between the two limit rods, and the lock rudder is also equipped with a buffer hydraulic cylinder that slows down its rotation speed. The beneficial effect of the utility model is: using the buffer hydraulic cylinder installed on the lock rudder The method of slowing down its rotation speed avoids the impact noise caused by the handle of the door and the rapid rebound and reset of the oblique latch, which has the advantages of noiseless use, reduced wear, and extended service life.

The above is a brief introduction to the relevant knowledge of silent Low price mortise lock products.