a door and window handle

Abstract

The invention belongs to the technical field of door and window accessories, and provides a door and window lever handle which comprises two face plate components, a lock, two lever handles, a singlelock head, a lock catch plate and a lock catch box. The face plate components comprise bases and rotary components; the rotary components are rotatably connected to the bases; the rotary components comprise a plurality of elastic connecting legs, and the elastic connecting legs are arranged at intervals; one end of each connecting leg is rotatably connected with the corresponding base, and the other end of each connecting leg extends towards the corresponding lever handle; locking protrusions are convexly arranged at the end, which is far away from the corresponding base, of each connecting leg; the lever handles comprise connecting sections and lever handle sections, and the connecting sections and the lever handle sections are connected with one another; the connecting sections are provided with connecting channels for accommodating the connecting legs, and a plurality of locking grooves are concavely formed in the inner walls of the connecting sections; the locking protrusions and the locking grooves are matched with one another in a one-to-one correspondence manner. The door and window lever handle has the advantages that the door and window lever handle is provided with prying-resistant locks, the lever handles can be prevented from being loosened, falling off and being damaged due to long-time use, the service life can be prolonged, the maintenance cost can be reduced, and the like.

Description

technical field [0001] The invention belongs to the technical field of door and window accessories, and in particular relates to a door and window handle. Background technique [0002] The handle is a device that is installed on the door and window and has the function of fastening after opening and closing. When closing the door and window, through the cooperation of the handle and other accessories, the door and window are firmly locked on the fixed frame, so as to To achieve a fixed relative position of the inner and outer frames. Most of them are made of aluminum alloy, copper, stainless steel, plexiglass, plastic and other materials. They come in all shapes and sizes. In addition to meeting the requirements of comfortable hand feeling and reasonable force, it also has an embellishing decorative effect. [0003] In the prior art, the handle of the door and window handle is detachably connected to the base so as to facilitate replacement when the handle is damaged. Ho...

AI Technical Summary

Problems solved by technology

However, the long-term use of door and window handles in the prior art often leads to loosening of the handle and the base, resulting in falling off, and the maintenance cost is relatively high.

In addition, the handle in the prior art also has disadvantages such as being easy to pick the lock.

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