JPH0312986U

JPH0312986U -

Info

Publication number: JPH0312986U
Application number: JP7034589U
Authority: JP
Priority date: 1989-06-15
Filing date: 1989-06-15
Publication date: 1991-02-08
Also published as: JPH0439344Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に係る重量蓋用開閉
装置の蓋閉鎖状態の正面図であり、第２図は該開
閉装置の一部を省略した拡大左側面図である。第
３図は該開閉装置のストツパー機構部分の左側面
図であり、第４図は該ストツパー機構部分の正面
図であり、第５図は該ストツパー機構部分の使用
状態の断面図である。１……重量蓋、２……水平枢軸、３……レール
枠、４……水平枢軸、５……アーム、６……固定
枠体、７……水平枢軸、８……シリンダー、９…
…取付端部、１０……ロツド、１１……取付端部
、１２……水平枢軸、１３……ガスダンパー、１
４……ローラ、１５……歩道、１６……出入口、
１７……受枠、１８……内側壁、１９……固着用
ボルト、２０……アームブラケツト、２１……ダ
ンパーブラケツト、２２……蛇腹型円筒カバー、
２３……ガスダンパーブラケツト、２４……軸受
体、２５……取付ボルト、２６……ナツト、２７
，２８……ローラ転動溝、２９……固定ストツパ
ー、３０……固着用ボルト、３１……ナツト、３
２……案内体、３３……摺動ストツパー、３４…
…側面透孔、３５……溝孔、３６，３７……停止
溝、３８……操作ハンドル、３９……固定ブロツ
ク。 FIG. 1 is a front view of a heavy-duty lid opening/closing device according to an embodiment of the present invention in a lid closed state, and FIG. 2 is an enlarged left side view with a part of the opening/closing device omitted. FIG. 3 is a left side view of the stopper mechanism of the opening/closing device, FIG. 4 is a front view of the stopper mechanism, and FIG. 5 is a sectional view of the stopper mechanism in use. 1... Weight lid, 2... Horizontal pivot, 3... Rail frame, 4... Horizontal pivot, 5... Arm, 6... Fixed frame, 7... Horizontal pivot, 8... Cylinder, 9...
...Mounting end, 10...Rod, 11...Mounting end, 12...Horizontal pivot, 13...Gas damper, 1
4...roller, 15...sidewalk, 16...doorway,
17... Receiving frame, 18... Inner wall, 19... Fixing bolt, 20... Arm bracket, 21... Damper bracket, 22... Bellows type cylindrical cover,
23...Gas damper bracket, 24...Bearing body, 25...Mounting bolt, 26...Nut, 27
, 28...Roller rolling groove, 29...Fixing stopper, 30...Fixing bolt, 31...Nut, 3
2... Guide body, 33... Sliding stopper, 34...
...Side through hole, 35...Slot hole, 36, 37...Stop groove, 38...Operation handle, 39...Fixing block.

Claims

[Scope of utility model registration request]

A rail frame 3 fixed in parallel to the lower surface of the heavy lid 1 which rotates to open and close around a horizontal pivot 2 at the base end; An arm 5 whose end is pivotally connected to a fixed frame 6 by a horizontal pivot 4; a mounting end 9 of a cylinder 8 is pivotally attached to the tip of the arm 5 by a horizontal pivot 7; At a lower position, the mounting end 11 of the rod 10 is pivoted to the fixed frame 6 by a horizontal pivot 12, and the heavy lid 1 is rotated in the direction of constant opening by the pressure of the gas sealed in the cylinder 8. energizing gas damper 13; arm 5;
a roller 14 that protrudes from the upper surface of the tip end thereof and is fitted to the rail frame 3 so as to be freely movable; a fixed stopper 29 that is fixed to the rail frame 3 and comes into contact with the roller 14; and a rail frame 3 or heavy lid 1. A sliding stopper 3 that is fitted into a guide body 32 provided in the rail frame 3 and moves back and forth within the rail frame 3 so as to approach or come into contact with the roller 14.
3, the rotational force in the opening direction by the gas damper 13 is set to a certain limit smaller than the rotational force in the closing direction due to gravity of the heavy lid 1, and when the heavy lid 1 is opened to a predetermined position, the roller 14 is fixed. A heavy lid opening/closing device disposed between the stopper 29 and the sliding stopper 33.