CN2104267U

CN2104267U - Window lock

Info

Publication number: CN2104267U
Application number: CN 91223502
Authority: CN
Inventors: 颜余清
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-08-17
Filing date: 1991-08-17
Publication date: 1992-05-13

Abstract

The utility model relates to a sliding window lock. The sliding window lock is characterized in that a lock hook is arranged on a fixing lock body; a hook hole is arranged on a lock bolt of a movable lock body, and the side surface of the hook hole is provided with a cambered surface or a slope; a guide slot in which the lock bolt is installed and is provided with a compression spring which is utilized to make the lock bolt return. When a sliding window with the window lock is closed, as long as the lock hook is contacted with the cambered surface of the hook hole, the lock bolt instantly moves to and fro; thus, the lock hook can enter the hook hole, and the hasp locking is completed. Therefore, the hasp of the lock hook of window lock and the hook hole is automatic, the action is quick, and the sliding window lock is convenient in use.

Description

Lock for windows

The utility model relates to a kind of lock for windows, particularly is used in aluminium alloys and pushes away lock for windows on the window.

All pinch sash lock by movable lock body and fixedly lock body two parts form, wherein movable lock body is installed in and pushes away on the window, fixedly lock body is installed on the window-frame.A kind of known lock for windows is arranged, and its movable lock body is made up of lock and dead bolt, and the guide groove Nei ， And that dead bolt is installed in lock is provided with latch hook; Fixedly lock body also has lock.Which is provided with dog hole with the latch hook hasp.At first should will push away on the dead bolt when using this lock for windows, make latch hook exceed that plane ， And moves to dog hole with latch hook on the dog hole, the dead bolt of leaving behind then makes latch hook with the dog hole hasp, and therefore, also this lock for windows is hasp automatically, uses cumbersome.

The purpose of this utility model provides the lock for windows of a kind of latch hook with the automatic hasp of an ancient unit of weight hole energy.

Solve scheme of the present utility model and be latch hook is located on the lock of fixing lock body; And is located at dog hole on the dead bolt of movable lock body, the side of dog hole is provided with cambered surface or the inclined-plane that produces downward component when supplying it to contact with latch hook, is provided with the compression spring that resets for dead bolt in the guide groove.

The accompanying drawing of this manual has:

Fig. 1: automatic lock for windows elevation;

Fig. 2: A-A sectional view.

Accompanying drawing has been described and has originally been bought with novel embodiment.Further set forth detailed content of the present utility model below in conjunction with embodiment.

Automatically lock for windows comprises movable lock body and fixing lock body two parts, and fixedly lock body is by lock (1) with lock (2) and form.Lock (1) is provided with installing hole (3,4).Movable lock body is made up of lock (5) and dead bolt (6), lock (5) is gone up except that installing hole (7,8) is arranged, also be provided with guide groove (9), guide pillar (10) and spring base (11), wherein guide groove (9) divides upper and lower two parts, and the bottom land of upper rail is opposite with the direction of the bottom land of lower guide channel, and guide pillar (10) and spring base (11) then are located in the upper rail; Dead bolt (6) is installed in the guide groove (9), which is provided with guide hole (12), spring locating piece (13), finger groove (14) and dog hole (15), and the same guide pillar of its centre feed hole (12) (10) cooperates, and further limits the direction of motion and the stroke of dead bolt (6); Compression spring (16) is housed between the back of dog hole (15), the same spring base of spring locating piece (13) (11); Be provided with cambered surface or inclined-plane (17), its effect in the left and right side of dog hole (15) and be to produce when contacting and promote the descending component vertically downward of dead bolt with latch hook.

The window that pushes away of above-mentioned automatic lock for windows is housed, when closing window, in case latch hook is with cambered surface on the dead bolt or inclined-plane contact.It is descending that dead bolt promptly overcomes the elastic force that compresses spring in the effect of component downwards, and latch hook one is crossed cambered surface or inclined-plane, and dead bolt is up under the effect of elastic force again, make latch hook enter dog hole ， And and finish snap lock, therefore, the latch hook of this lock for windows is with the automatic hasp of dog hole energy, and it is agile, easy to use to move.

Claims

1. one kind has movable lock body and fixing lock body; And is by the lock for windows of latch hook with the dog hole snap lock, movable lock body is made up of lock and dead bolt, and dead bolt is installed in the guide groove of lock, feature of the present utility model is: described latch hook (2) is located at fixedly on the lock of lock body (1), dog hole (15) is located at cambered surface or inclined-plane (17) that the dead bolt (6) of movable lock body is gone up, the side of dog hole (15) produces downward component when being provided with for its same latch hook (2) contact, is provided with the compression spring (16) that resets for dead bolt (6) in the guide groove (9).