JPS58132088U - door closer - 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 the drawing]

図面は本考案の実施例を示し、第１図は縦断面図、第２
図は要部の平面図、第３図はカムとローラーの関係を説
明するための要部の展開図である。 ２・・・・・・蓋体、１・・・・・・外筒体、６・・・
・・・軸受体、８・・・・・・ロッド、１６．１７・・
・・・・カム、２０・・・・・・駆動体、２６．２７・
・・・・・コロ、２１．２１・・・・・・突条、４・・
・・・・凹溝、３６・・・・・・コイルばね。The drawings show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional view and FIG.
The figure is a plan view of the main part, and FIG. 3 is a developed view of the main part for explaining the relationship between the cam and the roller. 2...Lid body, 1...Outer cylinder body, 6...
...Bearing body, 8...Rod, 16.17...
...Cam, 20...Driver, 26.27.
...Koro, 21.21...Protrusion, 4...
...Concave groove, 36...Coil spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端開口を蓋体で閉じた円形の外筒体の他端開口に嵌着
した軸受体にロッドを回動自在に支承し、このロッドの
上記外筒体の内側中央に位置させた一側部の外周面の対
向位置に１対の螺旋状のカムを形成し、また、このロッ
ドの他側部を上記外筒体の外方に突出させるとともに、
一端を閉じた円筒形の駆動体を上記ロッドの一側部に摺
動自在に嵌合してその内周面の対向位置に突設したコロ
を上記カムに係合し、かつ他端外周面の軸線方向に設け
た複数の突条をそれに対応して上記外筒体の内周面の軸
線方向に設けた複数の凹溝に摺動自在に嵌合し、この駆
動体の上記突条と上記蓋体との間にコイルばねを装架し
、かつこのコイルばねの中空部内に上記駆動体の一端と
突条との間の部分を嵌合してなることを特徴とするドア
ークローサー〇A rod is rotatably supported on a bearing fitted to the other end opening of a circular outer cylinder whose one end opening is closed with a lid, and one side of the rod is located at the center inside the outer cylinder. a pair of spiral cams are formed at opposing positions on the outer circumferential surface of the rod, and the other side of the rod protrudes outward from the outer cylinder;
A cylindrical driving body with one end closed is slidably fitted to one side of the rod, and rollers protruding from opposite positions on the inner circumferential surface thereof are engaged with the cam, and the other end is fitted on the outer circumferential surface of the cylindrical drive body. A plurality of protrusions provided in the axial direction of the drive body are slidably fitted into corresponding grooves provided in the axial direction of the inner peripheral surface of the outer cylindrical body, and the protrusions of the drive body and A door closer characterized in that a coil spring is installed between the lid body and the coil spring, and a portion between one end of the drive body and the protrusion is fitted into the hollow part of the coil spring.