CN2526425Y

CN2526425Y - Automatic window lock

Info

Publication number: CN2526425Y
Application number: CN 02225414
Authority: CN
Inventors: 谢耀洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-25
Filing date: 2002-01-25
Publication date: 2002-12-18
Anticipated expiration: 2012-01-25

Abstract

The utility model relates to an automatic window lock which comprises a lock body with a notch, an inserting pin with a hook which extends out of the lock and a fixed hook. The utility model is characterized in that the lock body is provided with a pin groove which is connected with the notch; the inserting pin is positioned in the pin groove; a spring is provided between the pin groove end part and the inserting pin; and the outside surface of the hook is an inclined surface. Compared with the prior art, the utility model has the advantages of convenient to be used and automatic locking of when locking the window.

Description

A kind of automatic window catch

Technical field:

The utility model relates to a kind of sash lock.

Background technology:

The bolt-type sash lock that existing sliding sash is used mainly by the lock body that has notch, be arranged on the latch that stretches out the outer hook of lock body having in the lock body, fixedly fastener constitutes, latch is provided with groove, the lock body back side is provided with alignment pin, alignment pin passes the groove on the latch and latch is positioned at the back side of lock body, and a wherein end of latch pierces into the notch of lock body.During use, lock body is fixed on the window limit of sliding sash, and fixedly fastener is fixed on the window frame corresponding with lock body, when needing to close window window is shifted onto on the window frame, then finger is extend into and stir latch in the notch, latch moves along the groove on the latch, and the hook on the latch is hooked on fastener, thereby window is locked on the window frame, in the time of need opening window, finger extend into stir latch in the notch, make the hook on the latch move apart fastener, like this, just window can be opened.This kind sash lock is owing to need staff to stir latch, makes fastener on the latch tightly on fastener, therefore, exists and uses inconvenience, and is that sash lock is not tight because of forgetting easily when closing window.

Summary of the invention:

It is a kind of easy to use that goal of the invention of the present utility model is to provide, and when closing window, sash lock can automatically that sash lock is tight automatic window catch.

The utility model is to realize like this, comprise the lock body that has notch, have the latch that stretches out the outer hook of lock body, fixing fastener, its special feature is also to be provided with on the lock body cotter way that communicates with notch, latch is slidingly arranged in the cotter way, be provided with spring between cotter way end and latch, the lateral surface of hook is the inclined-plane.During use, lock body is fixed on the window limit of sliding sash, fixedly fastener is fixed on the window frame corresponding with lock body, when need closing window window is shifted onto on the window frame, the fastener compacting that is fixed of the lateral surface inclined-plane of the hook on the latch produces a downward thrust, hook is moved down together with latch, cross fixedly under fastener and the effect until hook, by latch fastener is buckled at stay hook, thereby window is locked on the window frame at spring.In the time of need opeing the window, only with hand refers to extend on the notch presses down latch, makes the hook on the latch break away from fixedly fastener, just can push window open then.

Here, when closing window, the easy fastening of hook is buckled at stay hook, and fixedly place, inclined-plane, the fastener corresponding hook outside also is an inclined-plane.

Compared with the prior art the utility model has easy to usely, and when closing window, sash lock can automatically that sash lock is tight advantage.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment:

Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail:

As shown in the figure, the utility model comprises the lock body 2 that has notch 1, have the latch 4 that stretches out the outer hook 3 of lock body 2, fixing fastener 5, its special feature is also to be provided with on the lock body 2 cotter way 6 that communicates with notch 1, latch 4 is slidingly arranged in the cotter way 6, be provided with spring 7 in cotter way 6 ends and 4 of latches, the lateral surface 8 of hook 3 is the inclined-plane, and fixedly 8 places 9, inclined-plane, fastener 5 corresponding hook 3 outside also are inclined-planes.

Claims

1, a kind of automatic window catch, comprise the lock body that has notch, have the latch that stretches out the outer hook of lock body, fixing fastener, it is characterized in that also being provided with the cotter way that communicates with notch on the lock body, latch is slidingly arranged in the cotter way, be provided with spring between cotter way end and latch, the lateral surface of hook is the inclined-plane.

2, automatic window catch according to claim 1 is characterized in that fixedly place, inclined-plane, the fastener corresponding hook outside also is an inclined-plane.