JPH0227470U

JPH0227470U -

Info

Publication number: JPH0227470U
Application number: JP10564988U
Authority: JP
Priority date: 1988-08-09
Filing date: 1988-08-09
Publication date: 1990-02-22
Anticipated expiration: 2003-08-09
Also published as: JPH0543171Y2

Description

[Brief explanation of the drawing]

第１図は本考案実施の１例を示す開錠状態の縦
断側面図、第２図は第１図―線に沿つて切断
した拡大断面図、第３図はその施錠状態の拡大断
面図、第４図は内筒４、サイドバー１１を引抜い
た状態の一部を切欠いた平面図、第５図は本考案
の主要部品の斜視図、第６図は内筒交換用キー１
２Ａの平面図、第７図は施開錠用キー１２Ｂの平
面図である。図中主要符号、Ｌ……シリンダー錠、２……外
筒、４……内筒、４ｃ……キースロツト、１２…
…キー、１２Ａ……内筒交換用キー、１３……ス
リツト、１４……昇降プレート、１５……係合溝
、１６……スリツト、１７……ストツパー、１８
……スプリング溝、１９……スプリング。 Fig. 1 is a vertical sectional side view of an example of the present invention in an unlocked state, Fig. 2 is an enlarged sectional view taken along the line of Fig. 1, and Fig. 3 is an enlarged sectional view of the locked state. Fig. 4 is a partially cutaway plan view with the inner cylinder 4 and side bar 11 pulled out, Fig. 5 is a perspective view of the main parts of the present invention, and Fig. 6 is the inner cylinder replacement key 1.
2A is a plan view, and FIG. 7 is a plan view of the locking/unlocking key 12B. Main symbols in the figure: L...Cylinder lock, 2...Outer cylinder, 4...Inner cylinder, 4c...Key slot, 12...
... Key, 12A ... Inner cylinder replacement key, 13 ... Slit, 14 ... Lifting plate, 15 ... Engagement groove, 16 ... Slit, 17 ... Stopper, 18
...Spring groove, 19...Spring.

Claims

[Claims for Utility Model Registration] (1) An outer cylinder 2 and an inner cylinder 4 slidably and rotatably inserted into the outer cylinder 2, and a key slot 4c for a key 12 in the axial direction of the inner cylinder 4. In the cylinder lock L having a slit drilled therein, a slit 13 is bored at the rear end of the inner cylinder 4 and communicates orthogonally with the rear end of the key slot 4c, and the tip of the inner cylinder replacement key 12A is pressed into the slit 13. The elevating plate 14 that is pushed up is fitted and inserted, and an engagement groove 15 is cut on the outer periphery of the inner cylinder 4 on the extension of the slit 13, while facing the slit 13 of the inner cylinder 4 of the outer cylinder 2. A slit 16 communicating with the slit 13 is bored in the part, and
Therein, when the lock is locked, it is elastically engaged with the engagement groove 15 of the inner cylinder 4, and when the lock is unlocked, it is pushed up by the elevating plate 14 and the engagement with the engagement groove 15 is released against the spring force. This cylinder lock is characterized by having a stopper 17 fitted therein. (2) The inner cylinder according to claim (1), characterized in that the slit 13 of the inner cylinder 4 is formed into a U-shaped cross section, and the elevating plate 14 bent into a U-shape is fitted into the slit 13. Replaceable cylinder lock. (3) The tip of the inner cylinder replacement key 10A is formed into a square shape, and the protrusions 14a on the lower side of both sides of the lifting plate 14,
A cylinder lock with an exchangeable inner cylinder according to claim (1), characterized in that the inner cylinder is pushed up by coming into contact with the cylinder lock 14a. (4) The upper and lower sides of the stopper 17 are both arcuate edges 1
7a, 17a, and notches 17b, 17b are formed on both sides to be hooked to the upper edges of both ends of the slit 16 of the outer cylinder 2 when the cylinder is locked. Tablet. (5) A deformed arc-shaped spring groove 18 is formed on the outer periphery of the rear end of the outer cylinder 2, and a notched annular spring 19 is fitted into the groove 18 to elastically hold the stopper 17. (1) Cylinder lock with replaceable inner cylinder.