CN2130902Y

CN2130902Y - Lock for two-wing door capable of opening inward or outward

Info

Publication number: CN2130902Y
Application number: CN 92229008
Authority: CN
Inventors: 周维廉
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-27
Filing date: 1992-07-27
Publication date: 1993-04-28
Anticipated expiration: 2002-07-27

Abstract

The utility model provides a lock for two-wing door capable of opening inward or outward, comprising a lock, a hand wheel and a door bolt. A lock shaft is provided with a hanging hook and an opened prizing board; the tail end of the hanging hook is provided with a fixed shaft; the fixed shaft is connected with a door leaf by a tension spring; the concentric fixed shaft of the hand wheel is provided with a gear; the door bolt is provided with a gear rack which can be engaged with the gear and a hollow sliding groove; the left end head of the door bolt is provided with a hook plate; when the door is locked, the hand wheel is twisted, the gear rack is driven by the gear to make that the hook plate on the door bolt is fastened with the hanging hook; when the door is opened, the lock shaft is twisted to make the hanging hook disengage. The utility model can be universally applied to two-wing doors.

Description

Lock for two-wing door capable of opening inward or outward

The utility model relates to a kind of biparting interior outward opening door lock.

To be locked in outdoors when existing double door is locked a door, it is very inconvenient that the people finds out door in the door.

The purpose of this utility model is to provide in a kind of door, the biparting easily interior outward opening door of people's turnover is locked outdoors.

The utility model is made of lock, handwheel and keeper, on lock shaft, be provided with a hook and one and open skid plate, the tail end place of hook is provided with a fixed axis, by extension spring fixed axis is connected with door leaf, the concentric shafts of its handwheel is provided with a gear, between gear and door leaf, be provided with a top spring, keeper be provided with one can with gear tooth bar and a hollow sliding tray of interlock mutually, the left end of keeper is provided with a hook plate, and the hook plate during use on the keeper can snap together with the hook on the lock shaft.

Advantage of the present utility model is simple in structure, and is easy to use, and the inside and outside people of double door is freed in and out.

Description of drawings:

Fig. 1 is overall structure figure of the present utility model;

Fig. 2 is the front view of the new lock of this practicality;

Fig. 3 is a handwheel elevation of the present utility model;

1 is keeper among the figure, the 2nd, and tooth bar, the 3rd, gear, the 4th, concentric fixed axis, the 5th, sliding tray, the 6th, crack between a door and its frame, the 7th, hook, the 8th, hook plate, the 9th, open skid plate, the 10th, lock shaft, the 11st, extension spring, the 12nd, fixed axis, the 13rd, slide fastener, the 14th, draw ring, the 15th, lock, the 16th, lockhole, the 17th, handwheel.

The utility model is described further with embodiment below in conjunction with accompanying drawing:

The utility model is by a lock (15), a handwheel (17) and a keeper (1) constitute, its lock shaft (10) is provided with a hook (7) and one and opens skid plate (9), tail end place at hook (7) is provided with a fixed axis (12), be provided with an extension spring (11), its end is fixed on the door leaf, the other end is connected on the fixed axis (12), other is provided with a slide fastener (13), its end is connecting a draw ring (14), its other end is connected on the fixed axis (12), described handwheel (17) center is provided with a concentric fixed axis (4), with one heart fixed axis (4) by with the other end of keeper (1) on be connected a gear (3), between gear (3) and door leaf, be provided with a top spring, described keeper (1) is to make with steel pipe, its inner face be provided with one can with gear (3) tooth bar of interlock (2) and a hollow sliding tray (5) mutually, the left end of keeper (1) is provided with a hook plate (8), and the hook plate (8) on keeper during use (1) can snap together with the hook (7) on the lock shaft (10).

Claims

1, a kind of biparting interior outward opening door lock, it is by lock (15), handwheel (17) and keeper (1) constitute, the lock shaft (10) that it is characterized in that described lock (15) is provided with a hook (7) and one and opens skid plate (9), tail end place at hook (7) is provided with a fixed axis (12), be provided with an extension spring (11), its end is fixed on the door leaf, the other end is connected on the fixed axis (12), described handwheel (17) center is provided with a concentric fixed axis (4), with one heart fixed axis (4) by with the other end of keeper (1) on be connected a gear (3), between gear (3) and door leaf, be provided with a top spring, described keeper (1) be provided with one can with gear (3) tooth bar of interlock (2) and a hollow sliding tray (5) mutually, the left end of keeper (1) is provided with a hook plate (8).

2, biparting interior outward opening door lock as claimed in claim 1 is characterized in that described keeper (1) is to make with steel pipe.