Mortice lock

A mortise lock and side lock technology, applied in building locks, buildings, building structures, etc., can solve the problems of short lifespan of square tongues damaged by force, reduce friction, etc., and achieve long service life, low friction, and unlocking. light effect

Inactive Publication Date: 2006-11-15
ASSA ABLOY BAODEAN SECURITY PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At the same time, the invention also provides a side lock that can withstand relatively large axial static pressure, and when the side lock is driven by the square tongue, it can effectively reduce the friction force and lighten the lock; In the locked state, the square tongue is easily damaged due to excessive force, which is a technical problem with short life.

Method used

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Examples

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Embodiment

[0023] as attached Figures 1 to 3 As shown, a mortice lock includes a housing 1, a handle, and a latch bolt assembly and a square tongue assembly are provided in the casing 1; the latch bolt assembly includes a latch bolt 2, and the latch bolt 2 is connected to the latch bolt operating part; The square tongue assembly includes a square tongue main body 3 and a square tongue driving part. The bolt operating part includes two upper and lower inner bolt square cores 4 and outer bolt square cores 5 that can rotate with each other. The bolt square core is cylindrical , the center of which is provided with a square through hole 4-1, a handle is installed in the through hole 4-1, the outer edge of the through hole 4-1 is provided with a positioning protrusion 4-2, and one end connected with the linkage plate is provided with Shoulder 4-3, four draw-in slots 4-4 are evenly distributed on the shoulder 4-3; the connecting plate is provided with a through hole 6-1 matched with the shoul...

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PUM

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Abstract

The present invention relates to a lock, in particular, it relates to a mortice lock with knob. Said mortice lock can be quickly locked or unlocked by utilizing knob. Said lock includes shell body and knob. In the shell body interior an oblique tongue component and a square tongue component. Said oblique tongue component includes oblique tongue and its operation component, and the square tongue component includes square tongue main body and its driving component. Besides, said invention also provides its working principle and its operation method.

Description

technical field [0001] The invention relates to a lock, in particular to a mortice lock which can be quickly locked and opened by using a handle. Background technique [0002] Door locks have always been the most common utensils used by people every day, and the anti-theft, durability and ease of opening of locks are important indicators for selecting locks. In the existing anti-theft lockset, a key must be used for locking and unlocking, which is very inconvenient. Someone has applied for a patent for this reason " a kind of three-tongue deadbolt automatic convenient lock (CN00227206.7) ", and it comprises lock case, handle etc., and its principle is to be provided with rotatable buckle hook in the lock case, when main tongue retracts When returning to the lock shell, the buckle catches the main tongue, and when the door is closed, the door frame hits the oblique tongue, and the oblique tongue hits the buckle again to make the buckle rotate and release from the main tongue...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B63/14
Inventor 罗雍进
Owner ASSA ABLOY BAODEAN SECURITY PROD
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