Lift window locking device

Abstract

The invention relates to a locking device for a sliding window, by means of which, the operation of the handle from the closed (locked) state to the opened (unlocked) state can be realized with a small force, and the handle can be prevented from being opened (unlocked) ) state to the closed (locked) state, thereby ensuring safe operation, and the locking device can be easily adapted to conventional locking devices for sliding windows. The locking device (100) for sliding windows comprises: a shaped fixing part (102), which is fixedly fitted to the window (101); a handle (103), which is arranged on the outside of the window (101); a housing (107 ), the housing is assembled with a slide, wherein a pinion (104) operated by a handle (103) and a rack (105) meshing with the pinion (104) via a gear are provided, and the housing is connected to The fixing part (102); the striker (109) and the hook (110), the hook and the striker are respectively engaged to the slide plate (106) and the window frame (108); and the driving body (111), which is installed on the window (101 ), and has support protrusions (111a) formed on the left and right sides in contact with the rails (108a), wherein the lower side of the slide plate (106) and the roller frame (112) are connected by the connecting rod (113) connect. A spring case (121) is coupled to the fixing part (102), the spring case has shaft holes (121a) formed on upper and lower sides, and its front side is opened to accommodate the compression spring (122). A pressing member (124) is installed on the slide plate (106), which pressurizes the guide pin (123) inserted into the shaft hole (121a) formed on the upper and lower sides of the spring case (121). Pressurize. The compression spring (122) is mounted to a guide pin (123) positioned on the inner side of the spring housing (121). An elastic support unit (120) is installed to compress the compression spring (122) between the spring housing (121) and the retaining ring (125) engaged with the guide pin (123) when the window is in the closed state, and The compression spring (122) is expanded when the window is in the open state.

Description

technical field [0001] The present invention relates to a locking device for a sliding window, and more particularly to a locking device for a sliding window which is capable of releasing the handle from closing (locking) by applying a relatively small force to the handle. ) state to the open (unlocked) state, and it is also possible to avoid the problem that the handle suddenly turns from the open (unlocked) state to the closed (locked) state, thereby ensuring the stability of the operation. [0002] Furthermore, the present invention relates to a locking device for a sliding window that can be easily applied to existing locking devices installed on sliding windows. Background technique [0003] figure 1 A common locking device 1 for sliding windows is shown. As shown, a pinion operated by the handle 3 is mounted on the window 2 and a slide plate 4 a cooperating with a rack geared with the pinion is coupled to the housing 4 . In addition, a striker 7 is mounted on the wi...

AI Technical Summary

Problems solved by technology

Also, noise may be generated during operation

[0011] Moreover, in this case, the operation of the handle of the locking device is carried out in a very dangerous state

That is, if the handle is slightly pushed, it will turn suddenly with the help of the window load, at which point the child will bump into the turning handle and be injured as a result

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