JPH0459280U

JPH0459280U -

Info

Publication number: JPH0459280U
Application number: JP10088590U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-21
Anticipated expiration: 2005-09-28
Also published as: JPH0750538Y2

Description

[Brief explanation of the drawing]

第１図ａ〜ｄ、第２図はこの考案の一実施例を
示すもので、第１図ａは正面図、第１図ｂは、第
１図ａの−線による断面図、第１図ｃは同じ
く第１図ａの−線による断面図、第１図ｄは
係合具の動作を示す断面図、第２図は、第１図の
係合具の詳細を拡大して示す正面図、第３図ａ〜
ｃは従来のドアチエーンの一例を示すもので、第
３図ａは正面図、第３図ｂは、第３図ａの−
線による断面図、第３図ｃは、第３図ｂの−
線による断面図、第４図ａ〜ｃはドアチエーンの
他の例を示すもので、第４図ａはドアチエーンの
係合部材側を示す断面図、第４図ｂは、第４図ａ
の係合具の動作を示す断面図、第４図ｃは、第４
図ａの−線による断面図である。図中、３はリンク、１１は係止具、２５は係合
部材、２６は透孔、２７はスリツト、２８はスト
ツパ、２９は底板、３１はチエーン、３２は係合
具、３３はスライドリング、３４は筒状体、３５
はつまみ片、１０１は扉枠、１０２は扉、１０２
ａは扉面である。 Figures 1 a to d and Figure 2 show an embodiment of this invention; Figure 1 a is a front view, Figure 1 b is a sectional view taken along the - line in Figure 1 a, and Figure 1 c is a sectional view taken along the - line in FIG. 1a, FIG. 1d is a sectional view showing the operation of the engaging tool, and FIG. 2 is a front view showing enlarged details of the engaging tool in FIG. 1. , Figure 3 a~
Fig. 3c shows an example of a conventional door chain, Fig. 3a is a front view, and Fig. 3b is a - of Fig. 3a.
The cross-sectional view according to the line, FIG. 3c, is shown in FIG.
4a to 4c show other examples of the door chain, FIG. 4a is a sectional view showing the engagement member side of the door chain, and FIG. 4b is the same as FIG.
FIG. 4c is a sectional view showing the operation of the engaging tool in the fourth
FIG. 3 is a sectional view taken along the - line in FIG. In the figure, 3 is a link, 11 is a locking tool, 25 is an engaging member, 26 is a through hole, 27 is a slit, 28 is a stopper, 29 is a bottom plate, 31 is a chain, 32 is an engaging tool, and 33 is a slide ring. , 34 is a cylindrical body, 35
is a knob piece, 101 is a door frame, 102 is a door, 102
a is the door surface.

Claims

[Scope of utility model registration request]

In a door chain in which a locking tool for permanently locking a link at one end of the chain is attached to the door frame side, and an engagement member for locking and disengaging the engagement tool attached to the other end side of the chain is attached to the door side, As the engagement tool, a rod-shaped body is formed into a triangular ring shape to serve as a slide ring, a cylindrical body having a larger diameter than the rod-shaped body is attached to one side of the slide ring, and the chain is held in one corner of the slide ring. Further, the engagement member is made of a plate, has a space between it and the door surface of the door, and has a through hole in the surface through which the cylindrical body can pass. The slide ring is formed to be continuous with the through hole, the slide ring is slidable, and has a slit having a width that prevents the passage of the cylindrical body, and is opposite to the through hole in the door surface. A door chain characterized in that a stopper is provided at a position where the engaging tool comes into contact when the cylindrical body is slid without contacting the back surface of the plate body.