Superthin door lock with escaping type rotation block

Abstract

The invention relates to an escape type ultrathin middle mortise door lock belonging to the manufacturing technique of the hardware locks. The locks are overlapped and connected to an escape dialing block at the top of a latch bolt rotation sheet, and also overlapped and connected to another latch bolt rotation sheet on the escape dialing block. A dead bolt dialing block is lapped with a rear end of the escape dialing block. The dead bolt dialing block is connected to a dead bolt dialing protrusion. After rotation, a lever handle can simultaneously turn on the latch bolt and the dead bolt, thereby reaching rapid escape purpose. The invention has reasonable structure, small parts, convenient installation, and flexibility and variability. The invention includes a lock body, a liner, a front lever handle and a back lever handle. The invention is characterized in that the escape dialing block is overlapped and connected to the latch bolt rotation sheet A which is connected to the lever handle of the lock body, then the latch bolt rotation sheet B is again overlapped and connected to the escape dialing block, the dead bolt dialing block is lapped with the rear end of the escape dialing block, and is connected to the dead bolt dialing protrusion; a square lever handle is connected to the escape rotation block.

Description

【Technical field】 [0001] The invention relates to a mortise door lock, in particular to an escape-type ultra-thin middle mortise door lock, which belongs to the hardware lock manufacturing technology. 【Background technique】 [0002] The mortise door lock is a kind of lock with a large sales volume on the market at present, and it is mainly used in the doors of enterprises, institutions, offices, single apartments and family rooms. Its lock body is beautiful in shape, bright in color, firm and reliable, anti-dimming and anti-prying, and is a kind of lock widely welcomed by users. Generally, the mortise door lock is divided into two parts: the oblique tongue part and the square tongue part. The latch tongue part includes the latch tongue and the latch latch assembly, the front and rear handles, which are opened by rotating the front and rear handles; the square tongue part includes the square tongue, the square tongue connecting plate and the square tongue pick, Lock cylinde...

AI Technical Summary

Problems solved by technology

In addition, the structure of the mortise door locks currently on the market is relatively complicated, and there are many components in the combination, resulting in high costs; it takes too much time to lock the door and key when going out.

Especially in the current market, the price of metal materials is not high, and the cost of lock manufacturing is rising, which is difficult for enterprises to bear

More importantly, people are in a hurry when encountering emergencies or fires, and they need two actions to open the door; especially at the critical moment when a fire occurs when sleeping at night, the time to open the door is delayed and life may be caused. dangerous possibility

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