CN2209202Y

CN2209202Y - Self-locking bolt for door or window

Info

Publication number: CN2209202Y
Application number: CN 94224160
Authority: CN
Inventors: 朱龚彪
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-13
Filing date: 1994-07-13
Publication date: 1995-10-04
Anticipated expiration: 2004-07-13

Abstract

The utility model relates to a self-locking latch for doors and windows, which is composed of a bottom board of a latch casing, a spring, a latch, a handle, and a lock fixing board. The utility model is characterized in that the bottom board of the latch casing is provided with a long circular slot for installing the spring and the latch; the long circular slot is provided with a sliding chute; the handle can make a longitudinal movement in the sliding chute to open and close doors and windows. The utility model has the advantages of simple structure, convenient operation, good reliability, easy fabrication, firmness, durability, labor saving, material saving, and low cost, which is very favorable for popularization. In addition, the main structure of the self-locking latch for doors and windows is plate punching pieces.

Description

Self-locking bolt for door or window

The utility model relates to the door and window part of technical field of buildings, but particularly a kind of thumb-latch of self-locking.

Latch is fastened with a bolt automatically in order to realize closing window, alleviates the suffered vibrations of glass when closing window simultaneously, has occurred many new-type multi-functional latches in China's patent application.But be widely used in the movable latch on the door and window at present, be not to use inconvenience, operate cumbersomely exactly, need cooperate and door and window could be closed, also can forget to close door and window sometimes, cause door and window damaged by the wind bump because of human negligence with two hands.

In view of the deficiencies in the prior art, the purpose of this utility model provides a kind of simple in structure, and is easy to use, easy to manufacture, robust door and window Bolt with latching action.

The utility model is achieved in that and contains a microscler garden groove on the base plate of latch housing, this garden groove is used for mounting spring and latch, on the groove of garden, have a chute, this chute can make the handle lengthwise movement and latch is connected with handle, has a through hole on latch, and handle inserts in the through hole, spring is contained in the bottom of garden groove, be between support plate and the latch, and insert with handle in the through hole of latch, use the hand Fixed latches.Both sides at the base plate of latch housing have fixing hole, and this latch also is furnished with locking board, opens a hole, garden of matching with latch thereon, is used for the locking of latch, also has two fixing holes equally on locking board.

The utility model compared with prior art.This product has simple in structure, and is easy to use, and good reliability is easy to manufacture, and is sturdy and durable, and agent structure is a plate stamping spare, labor and material saving, and low processing cost, the utmost point is beneficial to penetration and promotion.

Fig. 1 is a main sectional view of the present utility model;

Fig. 2 is the overall diagram of handle;

Fig. 3 is the overall diagram of locking board.

The utility model is described in further detail below in conjunction with accompanying drawing.

Using method of the present utility model is: as desire to open door and window, as long as with hand will shake hands (1) upwards mention, exert oneself door and window simultaneously to extrapolation, latch (3) is moved upward in chute (7), compression spring (2), make the hole, garden (11) on the solid plate (5) of latch (3) disengaging, door and window is opened.As closing the doors and windows, then as long as door and window is inwardly drawn, make latch (3) under the collision effect of locking board (5), move upward, compression spring (2), when latch (3) entered hole, garden (11) on the locking board, spring discharged downwards, latch (3) is just locked the hole, garden (11) on the solid plate (5) automatically, thereby realizes self-locking.

Claims

1, a kind of door and window Bolt with latching action, it comprises base plate (4), latch (3), spring (2), handle (1) and the locking board (5) of latch housing, it is characterized in that: contain a microscler garden groove (6) that is used for mounting spring (2) and latch (3) on the base plate of latch housing (4), on garden groove (6), have the chute (7) that latch (3) is connected with handle (1), on latch (3), have a through hole (9), insert handle (1) in the through hole (9), between the bottom support plate (10) of garden groove (6) and latch (3), spring (2) is installed.