CN2359412Y

CN2359412Y - Lock for sliding sash

Info

Publication number: CN2359412Y
Application number: CN 98247835
Authority: CN
Inventors: 杨东明
Original assignee: HUANSHI CHUIHONG HANDWARE FITTINGS FACTORY FOSHAN CITY
Current assignee: HUANSHI CHUIHONG HANDWARE FITTINGS FACTORY FOSHAN CITY
Priority date: 1998-12-04
Filing date: 1998-12-04
Publication date: 2000-01-19
Anticipated expiration: 2008-12-04

Abstract

The utility model relates to a lock for a sliding sash, which is made of aluminum alloy and used for pushing and pulling a sash. The utility model comprises a fixing base and a fastening component composed of a movable hook and a fixed hook, wherein, two side end shafts of the movable hook are supported on the fixing base, a pressing block arranged in an empty slot of the movable hook presses the movable hook on the fixing base, reset springs are arranged between two sides of the movable hook and the fixing base. When a window is opened, a dialing plate is dialed, so the movable hook is separate from the fixed hook, and the sash is pulled to be opened; when the window is closed, the movable hook is buckled with the fixed hook tightly after has a contact with the fixed hook. The utility model has the advantages pf simple structure, easy installation and insertion, less labor used for opening and closing the window quickly, automatically locking function of closing the window, etc.

Description

A kind of automatic window catch

The utility model relates to lock class technical field, the automatic window catch that particularly a kind of aluminum alloy push-pull window is used.

The sash lock that existing a kind of aluminum alloy push-pull window is used by lock frame, hand buckle, lock hook, elastic pressuring plate positioning seat form, have the Long Circle through hole before the hand button, this through hole rear portion is fixed with lock hook, lock frame front end is fixed with the elastic pressuring plate positioning seat, hand is buckled on guide groove in the lock frame, its Long Circle through hole is sleeved on the elastic pressuring plate below, and the hand button can front and back translation in the scope that the Long Circle through hole is limited.Because it is bigger that hand is buckled in the lock frame in the guide groove diastema, get loose easily after locking and glide and lost efficacy.Window, all will stir the hand button earlier when closing window, then could the open and close window.

The purpose of this utility model is to provide a kind of simple in structure, automatic window catch of closing the automatic fastening of window.

The purpose of this utility model is achieved in that a kind of automatic window catch, the fasteners that comprises holder and internal cavity thereof, forms by movable hook and stay hook, the movable hook both sides are provided with the end axle, be bearing on the holder, the movable hook middle part has dead slot, and briquetting is contained in the dead slot, and the one end is pushed down movable hook, the other end is pushed down holder, is provided with back-moving spring between movable hook and the holder.Described briquetting entangles the backstay on the holder and rivets tightly with it.A back-moving spring respectively is housed between movable hook both sides and the holder.

That advantage of the present utility model is is simple in structure, assembly is easy, windows or to close window all laborsaving quick, closes the automatic fastening of window.

Fig. 1 is the utility model structural representation.

Fig. 2 is movable hook and the stay hook cross sectional shape figure that matches.

Fig. 3 is the A-A sectional view of Fig. 1.

Fig. 4 is the upward view of Fig. 1.

By following embodiment the utility model is further elaborated.

Embodiment of the utility model is referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, and this automatic window catch is made up of holder 1 and internal cavity 9 thereof, movable hook 6, stay hook 10, briquetting 4, back-moving spring 8, backstay 5.The movable hook 6 of approximate right angle shape, one end be coupler body 11, the other end for dial plate 7, when windowing, stir plate 7, open coupler body 11.The end axle that holder 1 is provided with supporting base 3, movable hook 6 both sides places on this supporting base 3.Movable hook 6 middle parts have dead slot, and briquetting is contained in the dead slot, and the one end is pushed down movable hook 6, the other end is pushed down holder 1, and locate, rivet tightly by the backstay on the holder 15.Between movable hook 6 both sides and the corresponding holder 1 back-moving spring 8 is housed respectively.

During use, stay hook 10 is contained in the aluminium alloys window frame side channel, and the sash lock of band movable hook is contained in the corresponding aluminum window doorframe, when closing window, contracts after when the coupler body 11 of movable hook 6 collides the coupler body 12 of stay hook 10 and hooks coupler body 11 thereupon.When windowing, stir plate 7 with hand, coupler body 11 takes off with coupler body 12 and colludes, and window can be pushed open.

Claims

1, a kind of automatic window catch, the fastening assembly that comprises holder and internal cavity thereof, forms by movable hook and stay hook, it is characterized in that, the movable hook both sides are provided with the end axle, are bearing on the holder, and the movable hook middle part has dead slot, briquetting is contained in the dead slot, the one end is pushed down movable hook, and the other end is pushed down holder, is provided with back-moving spring between movable hook and the holder.

2, automatic window catch according to claim 1 is characterized in that, described briquetting entangles the backstay on the holder and rivets tightly with it.

3, automatic window catch according to claim 1 is characterized in that: a back-moving spring respectively is housed between movable hook both sides and the holder.