JPS59117783U - Automatic door closing device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施の一例を示すもので、第１図は概略
斜視図、第２図は拡大分解斜視図、第３図は要部の組立
斜視図、第４図は第１図の要部拡大図、第５図及び第６
図は動作説明図である。 １・・・扉、２・・・出入口部、２ａ・・・壁面、３・
・・蝶番、４・・・自動閉塞装置、６・・・ガイド部材
、６ａ・・・ガイド溝、７・・・本体、８・・・ばね受
け、９，１０・・・側板、１１・・・ばね受け、１２・
・・コイルばね、１３・・・板体、１５・・・保合部材
、１５ａ・・・軸部、１７．１８・・・軸、１９・・・
カム面、１９ａ・・・平面部、１９ｂ、１９Ｃ・・・円
弧部、２１・・・カム板、２２・・・長溝、２３・・・
円弧状溝。 第１図The drawings show an example of the implementation of the present invention, in which Fig. 1 is a schematic perspective view, Fig. 2 is an enlarged exploded perspective view, Fig. 3 is an assembled perspective view of the main parts, and Fig. 4 shows the main parts of Fig. 1. Enlarged view, Figures 5 and 6
The figure is an explanatory diagram of the operation. 1... Door, 2... Doorway, 2a... Wall surface, 3...
...Hinge, 4...Automatic closing device, 6...Guide member, 6a...Guide groove, 7...Main body, 8...Spring receiver, 9, 10...Side plate, 11...・Spring receiver, 12・
...Coil spring, 13...Plate body, 15...Retaining member, 15a...Shaft portion, 17.18...Shaft, 19...
Cam surface, 19a... Flat part, 19b, 19C... Arc part, 21... Cam plate, 22... Long groove, 23...
arcuate groove. Figure 1

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 建物の出入口部に設けられる扉の回転枢支側端部に設け
られる扉の自動閉塞装置であって、扉側に水平にスライ
ド可能に係合する本体と、この本体内に設けられた水平
方向のコイルばねと、このコイルばねのばね力を受ける
カム面を一端に有し前記本体に一端が枢支され且つ他端
が前記出入口部の壁面に支持されるカム板とから成り、
このカム板の一端と本体とを鉛直方向に向く２本の軸に
よって連結すると共にこの２本の軸の内、一方の軸はカ
ム板の一端に形成した長溝に嵌入させ、他方の軸は前記
長溝を取り囲むようにカム板の一端に形成した円弧状溝
に嵌入させ、以ってカム板と本体とが相対的に回転する
とき前記他方の軸が円弧状溝内を移動してガイドとなり
、前記一方の軸が長溝内を移動し得るように構成したこ
とを特徴とする扉の自動閉塞装置。An automatic door closing device that is installed at the end of the rotational support side of a door installed in the entrance/exit area of a building, and includes a main body that is horizontally slidably engaged with the door side, and a horizontally extending door that is provided within the main body. a cam plate having a cam surface at one end that receives the spring force of the coil spring, one end of which is pivotally supported by the main body, and the other end of which is supported by the wall surface of the entrance/exit portion;
One end of this cam plate and the main body are connected by two vertically oriented shafts, and one of these two shafts is fitted into a long groove formed in one end of the cam plate, and the other shaft is inserted into the long groove formed at one end of the cam plate. The cam plate is fitted into an arcuate groove formed at one end of the cam plate so as to surround the long groove, so that when the cam plate and the main body rotate relative to each other, the other shaft moves within the arcuate groove and serves as a guide; An automatic door closing device, characterized in that the one shaft is configured to move within a long groove.