Locking device of casement window

Abstract

The invention discloses a locking device of a casement window, and belongs to the technical field of casement windows. The locking device of the casement window includes a main body and a mounting member. A sliding groove is formed in the middle of the top of the main body. The locking device of the casement window is provided with a limiting pin, a sliding rod, a slider, a limit hole and a spring. When a user adjusts the opening position of the casement window, the user can firstly lift the limiting pin up to pull the limiting pin out of the limit hole, after the limiting pin is pulled out, the spring can be stretched, and therefore the user can push the window to drive the slider to slide on the sliding rod when the window is rotated to be opened; and when the casement window is opened to the position specified by the user, the user can release the limiting pin, the stretched spring drives the limiting pin to insert the limiting pin into the limit hole through the elastic restoring force, the slider is limited and fixed accordingly, the opening position of the casement window is fixed, the user can adjust the opening position of the casement window more conveniently, and the useeffect of the user is greatly improved.

Description

technical field [0001] The invention relates to the technical field of casement windows, in particular to a locking device for casement windows. Background technique [0002] Casement windows, a style of windows in folk houses. The opening and closing of the sash moves along a certain horizontal direction, so it is called "casement window". Casement windows are divided into push-pull type and top-hung type. Its advantages are large opening area, good ventilation, good sealing, excellent sound insulation, heat preservation and impermeability. The inward-opening type is convenient for cleaning the window; the outward-opening type does not take up space when opened. The disadvantage is that the window width is small and the field of vision is not wide. [0003] The Chinese patent whose notification number is CN203487913U discloses a locking device for casement windows, which belongs to the field of anti-theft devices for living rooms. The device comprises a lock box structu...

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a locking device for a casement window to solve the problem that the structure of the device proposed in the above-mentioned background technology is relatively complicated, which is inconvenient for the user to adjust the opening position of the casement window, affects the user's use effect, and is difficult to adjust The connecting rod is disassembled and replaced, which leads to the aging and fracture of the connecting rod, which causes the window to fall, which affects the safety of the casement window.

Images