JPS63187686U

JPS63187686U -

Info

Publication number: JPS63187686U
Application number: JP7974187U
Authority: JP
Priority date: 1987-05-26
Filing date: 1987-05-26
Publication date: 1988-12-01

Description

[Brief explanation of the drawing]

図面はこの考案の実施例を示し、第１図は分解
斜視図、第２図はロツクアームが係止片に挿入し
た状態の一部断面正面図、第３図は同状態でロツ
クアームを仮止めした一部断面正面図、第４図は
使用状態における斜視図である。１……ロツクアーム、２……取付具、３……支
持板、４……揺動軸、５……溝部、１０……安全
機構、１１……係止体、１２……係止片、１３…
…挿通孔、１４……操作杆、１５……摘部、１６
……係合部、２０……ロツクピン、３０……ドア
、３１……壁。 The drawings show an embodiment of this invention; Fig. 1 is an exploded perspective view, Fig. 2 is a partial cross-sectional front view of the lock arm inserted into the locking piece, and Fig. 3 is the same state with the lock arm temporarily secured. FIG. 4 is a partially sectional front view and a perspective view in a state of use. DESCRIPTION OF SYMBOLS 1... Lock arm, 2... Fixture, 3... Support plate, 4... Swing shaft, 5... Groove, 10... Safety mechanism, 11... Locking body, 12... Locking piece, 13 …
...Insertion hole, 14...Operation rod, 15...Pulling part, 16
...Engaging portion, 20...Lock pin, 30...Door, 31...Wall.

Claims

[Claims for Utility Model Registration] 1. A door consisting of a swingably mounted lock arm and a lock pin that engages with the lock arm and is fixed so that the door can be opened and closed only in areas that cannot be penetrated by humans. 1. A door half-opening lock device with a safety mechanism, characterized in that the half-opening door locking device is equipped with a safety mechanism for freely temporarily fixing a swinging lock arm to its mounting portion. 2 The lock arm has a substantially U-shape with a groove in the center, and the open end of the lock arm is swingably supported. A door half-opening locking device with a safety mechanism according to claim 1, which is formed in a width that allows the lock pin to be removed, but other than that, the lock pin cannot be removed and is formed in a width that allows it to swing while maintaining the engaged state. 3. The safety mechanism is provided between a locking piece that faces each other with a width that allows it to be inserted into the groove of a substantially U-shaped lock arm whose mounting part is tilted sideways, and this locking piece. , and an operating lever formed in such a way that both locking pieces are pushed outward by its own rotational action, and the lock arm is locked in an irremovable manner. Door half-open lock device with safety mechanism.