JPS62196884U - - Google Patents

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図は横断面
図、第２図は縦断面図、第３図は第２図の―
線断面図、第４図はドアを略９０°回転した状態
の横断面図、第５図は回転ドアの概略説明図であ
る。 ６は本体、７はカム収納部、８はシリンダ部、
１２は軸、２０はピストン、２５はバネ、３０は
第１カム、３１は第２カム、３７はカムフオロア
、４２は杆体、４４は凹部。 The drawings show an embodiment of the present invention; FIG. 1 is a cross-sectional view, FIG. 2 is a longitudinal sectional view, and FIG. 3 is a cross-sectional view of the embodiment of the present invention.
4 is a cross-sectional view of the door rotated approximately 90 degrees, and FIG. 5 is a schematic explanatory view of the revolving door. 6 is the main body, 7 is the cam storage part, 8 is the cylinder part,
12 is a shaft, 20 is a piston, 25 is a spring, 30 is a first cam, 31 is a second cam, 37 is a cam follower, 42 is a rod, and 44 is a recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体６にカム収納部７とシリンダ部８とを形成
し、そのカム収納部７にはドア２に連結する軸１
２を回転自在に支承すると共に、その軸１２に第
１、第２カム３０，３１を設け、前記シリンダ部
８にはバネ２５で復動側に移動され、かつ往動側
にはスムーズに移動するが復動側には徐々に移動
するピストン２０を設けると共に、該ピストン２
０に、前記第２カム３１と対向して第２カム３１
が所定方向に回転するとピストン２０をバネ２５
に抗して往動側に移動するカムフオロア３７を備
えた杆体４２を連結し、かつ第２カム３１には軸
１２が所定方向に所定角度回転して一定時間経過
するとカムフオロア３７が嵌合する凹部４４を形
成し、前記カム収納部７には第１カム３０の所定
方向の回転によつて移動されて、その移動方向と
反対方向の移動力が貯えられる部材を設けたこと
を特徴とする回転ドアのヒンジ装置。 A cam storage part 7 and a cylinder part 8 are formed in the main body 6, and the cam storage part 7 has a shaft 1 connected to the door 2.
2 is rotatably supported, and first and second cams 30 and 31 are provided on the shaft 12, and the cylinder portion 8 is moved to the backward movement side by a spring 25, and smoothly moved to the forward movement side. However, a piston 20 that gradually moves is provided on the backward movement side, and the piston 2
0, a second cam 31 facing the second cam 31
When the piston 20 rotates in a predetermined direction, the spring 25
A rod body 42 having a cam follower 37 that moves toward the forward movement side against the movement is connected to the second cam 31, and the second cam 31 has a recess into which the cam follower 37 is fitted after a certain period of time has elapsed after the shaft 12 has rotated by a certain angle in a certain direction. 44, and the cam storage portion 7 is provided with a member that is moved by the rotation of the first cam 30 in a predetermined direction and stores a moving force in a direction opposite to the moving direction. Door hinge device.