Handle device for door and window lock

Abstract

The invention discloses a handle device of a door or window lock. The handle device comprises a handle and a base, an axle seat is integrally arranged on the handle, and the axle seat is coupled on the base. The invention is characterized in that an elastic positioning mechanism is arranged between the axle seat and the base; the invention has the advantages that the structure is relatively simple, the elastic positioning mechanism is arranged between the axle seat and the base, when the elastic positioning mechanism performs positioning through the slide matching between two symmetrical positioning platforms on a positioning axle sleeve and a positioning step on a spring retainer, the handle has an automatic recovery function which can ensure the handle to be always positioned at the original position; when the elastic positioning mechanism is matched with elastic positioning lugs on the base through positioning cams provided with four uniformly distributed positioning grooves, once being rotated for 90 degrees, the handle can be positioned, once being rotated for 90 degrees, the handle can be positioned, thereby the handle can not be rotated easily, but can be rotated by applying a certain external force, and the probability that the door or window is locked by error is greatly reduced.

Description

technical field [0001] The invention relates to a door and window lock, in particular to a handle device of the door and window lock. Background technique [0002] In people's daily life, doors and windows are an indispensable part of house construction, and locks are usually installed on doors and windows so as to prevent theft. There are many types of existing door and window locks. In order to facilitate people to open or close doors and windows, a handle device is usually provided on the door and window lockset, and the handle drives a dead bolt or a lock pin to lock or open the doors and windows. When used on a door lock, a group of handle devices is generally installed on both sides of the door. However, the handles on many handle devices cannot be positioned, and the handles are easy to rotate. When children are playing or adults accidentally touch the handles, it is easy to lock the doors and windows by mistake, which brings inconvenience to the people. Contents o...

AI Technical Summary

Problems solved by technology

When used on a door lock, a group of handle devices is generally installed on both sides of the door. However, the handles on many handle devices cannot be positioned, and the handles are easy to rotate. When children are playing or adults accidentally touch the handles, it is easy to lock the doors and windows by mistake, which brings inconvenience to people.

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