JPS6441837U

JPS6441837U -

Info

Publication number: JPS6441837U
Application number: JP19159287U
Authority: JP
Priority date: 1987-12-16
Filing date: 1987-12-16
Publication date: 1989-03-13

Description

[Brief explanation of drawings]

第１図ないし、第３図は、本考案の第１実施例
を示す図であり、第１図は、第１実施例に係るダ
ンパー操作口開閉蓋体の蝶番構造の概略全体構成
図、第２図は、同蓋体開閉時の作用説明図、第３
図は、同蓋体全閉時の説明図、第４図は、第２実
施例に係るダンパー操作口開閉蓋体の蝶番構造の
要部説明図、第５図は、ダンパー操作口の概略取
付け位置を示す説明図、である。ｈ……操作口、１０……固定部、１２……蝶番
部、１４……蓋体接続部、１８……切込、２０…
…小接続部、２２……細長接続部、２４……長穴
。 1 to 3 are diagrams showing a first embodiment of the present invention, and FIG. Figure 2 is an explanatory diagram of the action when opening and closing the lid;
The figure is an explanatory diagram when the lid is fully closed, Figure 4 is an explanatory diagram of the main part of the hinge structure of the damper operation port opening/closing lid according to the second embodiment, and Figure 5 is a schematic illustration of the damper operation port's installation. It is an explanatory diagram showing a position. h...Operation port, 10...Fixing part, 12...Hinge part, 14...Lid connection part, 18...Notch, 20...
...Small connection part, 22...Elongated connection part, 24...Elongated hole.

Claims

[Scope of Claim for Utility Model Registration] 1. A hinge structure of a lid for opening and closing an operation port provided on a duct wall near a damper, and a lid connecting portion that is connected to the lid by carving a thin plate; a fixed part;
A hinge part that rotatably supports the lid connecting part and the fixing part is formed, and the hinge part has a notch that divides the thin plate into the fixing part and the lid connecting part, and the notch is divided. a small connecting part connecting the fixing part and the lid connecting part; and a small connecting part on the fixing part side or the lid connecting part side,
A hinge for a damper operating port opening/closing lid body, comprising: an elongated hole provided in a direction substantially perpendicular to the small connecting part and connected to the small connecting part to form an elongated connecting part. structure. 2. The hinge portion has a notch that divides the thin plate into a fixing portion and a lid connecting portion, and a small connecting portion that divides the notch to connect the fixing portion and the lid connecting portion, and a small connecting portion that protrudes from the fixing portion. A slender connecting portion is formed between a long side protruding portion that is formed and connected to the small connecting portion, and an end portion of the long side protruding portion that is formed approximately at the center of the long side protruding portion. A hinge structure for a damper operating port opening/closing lid body according to claim 1, characterized in that the hinge structure includes a long hole provided therein. 3 The hinge portion has a notch that divides the thin plate into a fixing portion and a lid connecting portion, and the notch is divided into a small connecting portion connecting the fixing portion and the lid connecting portion, and the notch end portion. forming an elongated connecting part between the small connecting part, an elongated hole provided on the lid connecting part side adjacent to the small connecting part, and an elongated hole provided on the fixing part side connected to the notch tip; The hinge structure of a damper operating port opening/closing lid body according to claim 1, which is characterized in that the hinge structure includes a relief notch.