CN2371276Y - Automatic lock for sliding door and window - Google Patents

Abstract

The utility model relates to an automatic lock for sliding doors and windows. The lock comprises a hook seat and a lock body, a sawtooth-shaped lock hook and a pedestal are made into integration, the lock body is composed of a concave lock shell of which the middle part is provided with a long seam hole, an arc-shaped lock bolt which is inserted in the long seam hole of the lock shell, and a spring piece which is supported between the lock shell and the lock bolt. The utility model has the advantages of simple structure and good manufacturability, and the utility model solves the problems that screw bolt are loosened, shaft pins desquamate, etc. in the process of use.

Description

The slide door or window automatic locking

The utility model relates to a kind of slide door or window automatic locking.

In the prior art, comprise hook seat and lock body as Chinese patent No. 96237439 disclosed " press-pull type lock for automatic closing window ", fluted on the lock body, pressing board is contained in the groove and flexibly connects with the buckle at the groove back side, the buckle back-moving spring is equipped with on the buckle side can make buckle be attached to the groove back side, also have the locating hole that matches with the hook seat on the buckle, this locating hole is used to tangle the hook seat that is fixed on the window frame.Its structure is complicated, installs and uses inconvenience, and in use bolt, pivot pin easily come off.

The purpose of this utility model aims to provide a kind of simple in structure, slide door or window automatic locking that production technology is good, easy to install, to overcome the deficiencies in the prior art part.

By the slide door or window automatic locking of this purpose design, it comprises hook seat and lock body two parts, it is characterized in that zigzag latch hook and base make one; Lock body by the middle part be provided with the slit hole the spill lock housing, insert the arc dead bolt in lock housing slit hole and be supported on lock housing and dead bolt between spring leaf form.Arc dead bolt middle part is provided with 2--6 boss and cooperates formation expansion bearing point with lock housing; One end is as handle; Other end afterbody is provided with long slot bore, cooperates with latch hook to form to open and close locking bit.Also be provided with the narrow slit of stationary spring on the arc dead bolt.

The hook seat of this slide door or window automatic locking and lock body only are made up of four parts, and arc sheet dead bolt both can be used as the latch hook location, and again as handle usefulness, structure is very simple, and production technology is good, and cost is low, the problem that does not exist bolt and pivot pin to come off.

Accompanying drawing is the utility model one example structure schematic diagram.

Fig. 1 is a front view;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the rear elevation of lock body among Fig. 1.

Embodiment is described in further detail below in conjunction with accompanying drawing:

With lock housing 5 is the lock body support, establishes slit hole 6 on the medium position of dress handle, and dead bolt 4 medium positions extrude 2--6 boss 7, insert the slit hole from outside to inside, and boss 7 is spacing as insertions are installed, and is moving fulcrum with the slit hole.Dead bolt 4 exposes the part of lock body to be used as unlocking handle 11.Dead bolt in lock body is opened spring leaf 8 narrow slit 9 and a kerf, stays a distance with lock housing behind the lancing, and it is spacing and prevent that dead bolt from withdrawing to do locking.J type spring leaf 8 one ends insert through dead bolt narrow slit 9 and are pressed on the lock housing 5, and the other end is pressed on the spring leaf narrow slit 9.The active force of spring leaf 8 makes dead bolt 4 in normally closed lock position.Dead bolt 4 inside ends are opened a latch hook 2 long slot bores 3, and latch hook 2 toothing shapes are pressed into one with base.Dead bolt 4 moves to latch hook 2 zigzag inclined-planes when locking, and surmounts latch hook 2 to dead bolt 4 long slot bores 3, and dead bolt 4 automatically resets under the effect of spring leaf 8, to normally closed lock position, finishes and locks.Stir handle 11 when unblanking, under the leverage of expansion bearing point, dead bolt 4 breaks away from latch hook 2, and moves to the direction of unblanking, and finishes and unblanks.This lock housing, dead bolt are that metal or plastic material are made, the zigzag latch hook of hook seat 12 and base be metal blank through punching press, draw and be made of one.

Claims (5)

1. slide door or window automatic locking, it comprises hook seat (1) and lock body two parts, it is characterized in that zigzag latch hook (2) and base make one; Lock body by the middle part be provided with slit hole (6) spill lock housing (5), insert the arc dead bolt (4) in lock housing slit hole (6) and be supported on lock housing (5) and dead bolt (4) between spring leaf (8) form.

2. slide door or window automatic locking as claimed in claim 1 is characterized in that arc dead bolt (4) middle part is provided with 2--6 boss (7) and cooperates formation expansion bearing point with lock housing (5); One end is as handle (11); The other end (10) afterbody is provided with long slot bore (3), cooperates with latch hook (2) to form to open and close locking bit.

3. slide door or window automatic locking as claimed in claim 2 is characterized in that also being provided with on the arc dead bolt (4) narrow slit (9) of stationary spring (8).

4. slide door or window automatic locking as claimed in claim 1 is characterized in that spring leaf is the J type.

5. slide door or window automatic locking as claimed in claim 1 or 2, the zigzag latch hook (2) that it is characterized in that hook seat (1) and base be metal blank through punching press, draw and be made of one.

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