Slide groove self-locking device, half-opening limiting assembly and door and window

Abstract

The invention provides a slide groove self-locking device, a half-opening limiting assembly and a door and window. According to the slide groove self-locking device, a slide groove keeps an approximately close state, and even a closed state all the time under the condition that a control part does not rotate; a guiding piece embedded inside the slide groove can not be released from the slide groove; the half-opening limiting assembly adopts the slide groove self-locking device so that the half-opening limiting assembly keeps a half-opening limiting state all the time under the condition that the control part does not rotate, and a phenomenon that half-opening limitation is released due to manual faults is avoided; the door and window with the half-opening limiting assembly keeps the half-opening limiting state all the time under the condition that the control part does not rotate; and a phenomenon that the door and window is fully opened by mistake caused by the fact that workers forget adjusting the state of the slide groove is avoided, so that the safety of the door and window is greatly enhanced.

Description

technical field [0001] The invention relates to a chute self-locking device. [0002] The invention also relates to a half-open limiting assembly with a slide slot self-locking device. [0003] The invention also relates to a door and window equipped with a half-opening limiting assembly, wherein the half-opening limiting assembly is provided with a self-locking device for a sliding slot. Background technique [0004] In real life, there are some structures that need to have both modes of full open and half open, such as doors and windows. When you want to fully open the doors and windows for ventilation, switch the doors and windows to the fully open mode, and when you want to prevent children and objects on the windowsill from falling out of the window, switch the doors and windows to the half-open mode that only partially opens. In half-open mode, use the limiter to limit the degree of opening of the door and window. However, in the prior art, once in the full-open mod...

AI Technical Summary

Problems solved by technology

[0008] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a chute self-locking device, a half-open restriction assembly and doors and windows, which are used to solve the problem that manual switching is required for the opening and closing of the chute in the prior art, which is easy to cause mishandling problem

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