JPH0249478U - - Google Patents

Description

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

第１図は本考案の蝶番構造を具備した地下構造
物角蓋の斜視図、第２図は蝶番金物の斜視図、第
３図および第４図は蓋の脱着方法を示した斜視図
、第５図は蓋を１８０°開けたときの断面図であ
る。 １……受け枠、２……工字状連結孔、３……角
蓋、４ａ……ガイドフイン、４ｂ……接続部、４
ｃ……係止片、４……蝶番金物。 Fig. 1 is a perspective view of an underground structure square cover equipped with the hinge structure of the present invention, Fig. 2 is a perspective view of the hinge hardware, Figs. 3 and 4 are perspective views showing how to attach and remove the cover; Figure 5 is a sectional view when the lid is opened 180°. DESCRIPTION OF SYMBOLS 1...Receiving frame, 2...Engine-shaped connecting hole, 3...Square lid, 4a...Guide fin, 4b...Connection part, 4
c... Locking piece, 4... Hinge hardware.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 地下構造物用角蓋において、受け枠１の開口部
の一辺に工字状連結孔２を２箇所穿設し、角蓋３
の一辺の下面の前記工字状連結孔２に対向する位
置に中央部に円弧状のガイドフイン４ａを備えガ
イドフイン４ａの下端に狭幅の接続部４ｂを介し
て広幅の係止片４ｃを設けた蝶番金物４を回動自
在に吊下げ、蝶番金物４を前記工字状連結孔２に
嵌合させてなる地下構造物用角蓋の蝶番構造。 In the square cover for underground structures, two square-shaped connecting holes 2 are bored on one side of the opening of the receiving frame 1, and the square cover 3
An arc-shaped guide fin 4a is provided at the center of the lower surface of one side at a position opposite to the letter-shaped connecting hole 2, and a wide locking piece 4c is connected to the lower end of the guide fin 4a via a narrow connection part 4b. A hinge structure for a rectangular lid for an underground structure, in which a provided hinge metal fitting 4 is hung rotatably and the hinge metal fitting 4 is fitted into the letter-shaped connecting hole 2.