JPH0392277U

JPH0392277U -

Info

Publication number: JPH0392277U
Application number: JP56390U
Authority: JP
Priority date: 1990-01-10
Filing date: 1990-01-10
Publication date: 1991-09-19
Anticipated expiration: 2005-01-10
Also published as: JP2513413Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例による錠装置を備え
た門扉錠の水平面による断面図、第２図は第１図
−線による断面図で解錠状態を示し、第３図
は第１図−線による断面図、第４図は解錠時
リトラクタおよびラツチボルトを後退させた状態
を示す第２図と同様の断面図、第５図は施錠状態
を示す第２図と同様の断面図である。１…錠箱、２…ラツチヘツド、３…ラツチボル
ト、４…フロント板、７…ラツチばね、８…スト
ライク、９…リトラクタ、９ａ…係合部、１２…
リトラクタばね、１４，１５…駆動部材、１６，
１７…把手、２５…制御体、２６…回動軸、２７
…制御体ばね、２８…施錠体、２９…デツドカム
、３…シリンダ錠。 FIG. 1 is a horizontal sectional view of a gate lock equipped with a locking device according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line of FIG. 1 and shows the unlocked state, and FIG. Fig. 4 is a sectional view similar to Fig. 2 showing the retractor and latch bolt in the retracted state when unlocking, and Fig. 5 is a sectional view similar to Fig. 2 showing the locked state. . DESCRIPTION OF SYMBOLS 1...lock box, 2...latch head, 3...latch bolt, 4...front plate, 7...latch spring, 8...strike, 9...retractor, 9a...engaging portion, 12...
Retractor spring, 14, 15... Drive member, 16,
17... Handle, 25... Control body, 26... Rotation axis, 27
...Control body spring, 28...Lock body, 29...Dead cam, 3...Cylinder lock.

Claims

[Scope of utility model registration request]

A latch bolt is provided with a latch head at the front end, is guided so as to be movable in the front and back direction perpendicular to the front plate of the lock box, and is biased forward in the direction in which the latch head projects from the front plate, and a latch bolt in the vicinity of the latch bolt inside the lock box. It is guided so as to be movable in the front-rear direction and is urged forward, and is engaged from the rear with a drive member connected to an external operating member such as a knob or handle attached to the door, and is further fitted with a latch bolt at the front end. At the rear end of the latch bolt, the center part is rotatably supported around a rotation axis perpendicular to the direction of movement of the latch bolt, and the front end is engaged with the retractor. a control body formed such that its rear end protrudes rearward from the rear end of the latch bolt; The front end of the control body is engaged with the end to rotate the control body, and the front end of the control body is moved away from the locus of movement of the engagement part of the retractor, and the latch bolt is locked from the rear and controlled by being separated from the control body. The front end of the body interferes with the locus of movement of the engaging part of the retractor, and the inner cylinder of the cylinder lock is guided so as to be movable between an unlocked position where it retreats from the locus of movement of the latch bolt and allows movement of the latch bolt. 1. A locking device comprising: a locking body that engages with a dead cam connected to a locking body so that either the locked position or the unlocked position can be selectively assumed by operating a duplicate key.