CN2259471Y

CN2259471Y - Self-locking snap lock for sliding window

Info

Publication number: CN2259471Y
Application number: CN 96220376
Authority: CN
Inventors: 李金刚
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-12
Filing date: 1996-08-12
Publication date: 1997-08-13
Anticipated expiration: 2006-08-12

Abstract

The utility model relates to a self-locking hook lock for a sliding window, which can automatically lock at the moment when a sliding window is closed. The utility model is that a lock core which can flexibly move up and down is installed in the existing lock casing; the external side of a lock hook of the middle part of the lock core is provided with a self-locking hook with an inclined plane, the upper part and lower part of which are respectively large and small. The utility model is composed of a lock casing, the lock core, the lock core, the self-locking hook and a lock catch, with a simplified structure. When a window is closed, the inclined plane of the self-locking hook contacts with the lock catch lightly, the self-locking hook automatically locks into a slotted hole of the lock catch, and the window is tightly locked; when the window is opened, a shifting handle of the lock core is lightly shifted upwards and the window can be opened. The utility model has the advantages that a window can be closed and locked conveniently and quickly, structure is simplified, and manufacturing cost is reduced.

Description

Sliding sash self-locking hook lock

The utility model is a kind of sliding sash self-locking hook lock, is specially adapted to sliding sash automatic locking jail when closing.

The hook lock that uses on the sliding sashs such as existing aluminium alloys is made up of lock housing, lock core, latch hook, spill back-up ring, stage clip, snap close.Its structure is that lock core moving up and down is housed in the groove of lock housing.The lock core bottom is that right angle type is dialled handle, and the latch hook that profile is a right angle type is equipped with at the middle part, and top has the groove that can move up and down, and groove is sleeved on the positioning pipe of lock housing, and above back-up ring and stage clip also were sleeved on, the riveting positioning pipe installed and fixed lock core and external member then.Stage clip and back-up ring are that the elastic pressure location cooperates for lock core.When need shut window, after closing window, also must dial handle to the right angle type of setting aside the lock core bottom with finger, latch hook is promptly locked in the snap close, and window is promptly locked the jail.When windowing as long as up dial, latch hook with regard on move, window can be opened.This hook lock uses simpler, but can not do the automatic locking jail when closing window, uses not easily, and part is also more.

The utility model is at the weak point of above-mentioned existence, specially proposes a kind of sliding sash self-locking hook lock that can automatic locking jail window when closing window, and can save stage clip, both can reach that to shut window fast and simple, can reduce manufacturing cost again.

The purpose of this utility model is achieved in that a lock core that can move flexibly up and down is housed in the lock housing groove.The latch hook lateral surface at lock core middle part is that the inclined-plane that top is big, the bottom is little is the acute angle shape latch nook.Lock housing, lock core, latch nook assembling external member are installed on the fan sliding sash, and snap close is installed on another fan sliding sash or on the window frame.

The utility model latch nook lockset produces effect and is: when in the moment of closing sliding sash, as long as the inclined-plane and the snap close slight in the latch nook outside bump, latch nook promptly lifts automatically, enter the snap close position, and under the action of gravity of lock core and latch nook self, displacement is locked in the slotted eye of snap close downwards immediately, and window is promptly locked the jail.Need only the upwards light group handle that is rectangular in shape of dialling the lock core bottom when windowing, latch nook promptly shifts out in the slotted eye of snap close, and window can be opened.

The utility model is described in further detail below in conjunction with Figure of description and embodiment.

Fig. 1 is the structural representation of lock housing, lock core, latch nook

Fig. 2 is the schematic diagram of snap close

In the accompanying drawing 1, lock housing 2, lock core 3, latch nook 4, snap close

In the accompanying drawings, be equipped with one in the groove of lock housing (1) and can make mobile flexibly up and down lock core (2).Handle is dialled in lock core (2) bottom for being rectangular in shape, there are holddown groove, screw in lock core (2) middle part, and being mounted with a lateral surface with screw is that the inclined-plane that top is big, the bottom is little is acute angle shape latch nook (3).Lock core (2) top has one can make mobile flexibly up and down groove, groove is sleeved on (this location pore is again as the fixing hole usefulness that connects) on the positioning pipe on lock housing (1) top on window, put a packing ring again, the good positioning pipe of riveting makes lock core (2) can do to move flexibly up and down then.A fixing hole is also arranged at lock housing (1) bottom, with screw lock housing (1) is fixed on the fan sliding sash that has mounting groove and hole.Respectively there is a fixing hole snap close (4) top and the bottom, and the middle part is the snap close slotted eye that is rectangle, and slotted eye is suitable for reading to be inclined plane shape.Snap close (4) is aimed at the latch nook position on the fan window, is screwed on another fan sliding sash or on the window frame.

Claims

1, sliding sash self-locking hook lock is made up of lock housing, lock core, latch nook, snap close, it is characterized in that being equipped with one and can make mobile flexibly up and down lock core in the lock housing groove, and the latch hook lateral surface at lock core middle part is that the inclined-plane that top is big, the bottom is little is the acute angle shape latch nook.

2, sliding sash self-locking hook lock according to claim 1 is characterized in that: the snap close middle part is the snap close slotted eye that is rectangle, and slotted eye is suitable for reading to be inclined plane shape.