CN2129813Y

CN2129813Y - Lock for sliding window

Info

Publication number: CN2129813Y
Application number: CN 92230386
Authority: CN
Inventors: 黎伟安
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-11
Filing date: 1992-08-11
Publication date: 1993-04-14
Anticipated expiration: 2002-08-11

Abstract

A sliding window lock is composed of a lock body and a lock catch. The lock body is provided with an L-shaped side wing, and the side wing is provided with a U-shaped lock catch limiting groove. The mounting screw of the lock body is fixed on the side wing, and the movable part of the lock body adopts a sliding block structure. The window lock not only improves the moving performance of the existing sliding window lock, but also has beautiful appearance and good anti-theft performance.

Description

Pull-push window lock

The utility model relates to a kind of sash lock of sliding sash.

Existing slide window lock is made up of the snap close that is contained in the lock body on the sash and be contained on the window frame.The movable part of lock body is a pull bar that has latch hook, pull bar by spring compression on the standing part of lock body.Raising rod, the sash lock closure; Depress pull bar, sash lock is opened.The position of pull bar is fixed by holddown spring.The switch activity was not freely when spring pressure was excessive; Spring is loose excessively, and the pull bar folder is not tight, and as being vibrated, latch hook breaks away from snap close easily automatically after the locking, and theftproof performance is poor.If when firmly window upwards being pried open from the below of window, latch hook is clashed into by snap close directly, easy deformation is damaged, and loses antitheft effect.In addition, the installation screw of lock body exposes the front and back at sash, influences the attractive in appearance of sliding sash.

The purpose of this utility model is for overcoming the above-mentioned defective of existing slide window lock, and provide a kind of sound construction, movable freely, good looking appearance, slide window lock that theftproof performance is good.

The utility model is achieved in that sash lock is made up of lock body and snap close.Lock body comprises movable part and standing part.Side at the lock body standing part increases a L shaped flank, and has U-shape lock button stopper slot on flank, and the installation screw of lock body is fixed on the flank.The lock body movable part adopts slide block structure, and switch and slide block fuse, and upper end of slide block connects spring, and the other end of spring hangs over the standing part of lock body, and latch hook is contained on the slide block.Standing part at lock body is provided with the chute that slides for slide block.Because lock body increased the flank structure, make the installation screw of sash lock move on to the shelter, side of window by the front of window.U-shaped stopper slot to snap close is set on flank, and when window was closed, snap close was inserted in the stopper slot of lock body, and latch hook and snap close directly clash into when avoiding being prized window, and the protection window catch is avoided damaging, and played the effect that the window holder is opened of preventing.The movable part of lock body adopts the slide block structure by the spring traction, has not only improved the activity performance of switch, and guarantees latch hook and snap close closure firmly, can not break away from snap close when being subjected to vibrating, and theftproof is strong.Owing to taked above-mentioned measure, thereby made the utility model reach safe, attractive in appearance, durable purpose.

Fig. 1 is a lock body stereogram of the present utility model;

Fig. 2 is the rear perspective view of Fig. 1;

Fig. 3 is a snap close stereogram of the present utility model.

Below in conjunction with embodiment and accompanying drawing the utility model is further described.

With reference to Fig. 1, Fig. 2, sash lock is made up of lock body (1) and snap close (13).Lock body (1) is divided into standing part and movable part.Standing part comprises handle (6), flank (2), chute (9), screw (3) is installed.Movable part comprises switch (5), slide block (8), spring (7), latch hook (12).Flank (2) is L shaped, is contained in a side of lock body, has the snap close stopper slot (4) of U-shaped in flank (2) bottom.Lock body is connected with sash by the installation screw (3) that is loaded on the flank (2).Switch (5) is contained in the bottom of handle (6), and switch (5) fuses with slide block (8).Slide block (8) top is connected with spring (7).The other end of spring (7) is suspended on lower end, handle (6) bottom.Lock body is provided with chute (9), and slide block (8) slides along chute (9).The limited block (10) of control latch hook scope of activities is housed on one side of chute (9).The spacing hole (11) that latch hook (12) passes on the limited block is connected on the surface of slide block (8).

In addition, the upper surface of switch (5) adopts arcwall face, and its radian is roughly the same with the finger radian.The degree of depth of handle (6) also strengthens on the basis of original sash lock.Comfort when like this, the switch sash lock is operated.

With reference to Fig. 3, have 2 fixed screw holes (14) and 2 set screw holes (15) on the base plate of snap close (13), be fixed on the window frame by two fixed screws and two set screw.Increase by two fixed screws than existing sash lock snap close, to strengthen its tensile property.

Not only sound construction, theftproof performance are good compared to existing technology for the utility model, and good looking appearance, flexible and convenient operation, are the comparatively both artistic and practical a kind of push-and-pulls of house decoration Sash lock.

Claims

1, a kind of slide window lock is made up of lock body (1) and snap close (13), and lock body (1) comprises standing part and movable part, it is characterized in that:

A, in a side of lock body standing part a L shaped flank (2) is set, has the snap close stopper slot (4) of U-shaped on flank (2), the installation screw (3) of lock body is fixed on the flank (2);

B, lock body movable part adopt slide block structure, switch (5) fuses with slide block (8), upper end of slide block connects spring (7), the other end of spring (7) hangs over the standing part of lock body, latch hook (12) is contained on the slide block (8), is provided with the chute (9) of confession slide block (8) slip at the standing part of lock body.

2, sash lock according to claim 1, it is characterized in that at chute (9) one side the limited block (10) that control latch hook scope of activities is housed.