JPS62143760U

JPS62143760U -

Info

Publication number: JPS62143760U
Application number: JP2956286U
Authority: JP
Priority date: 1986-02-28
Filing date: 1986-02-28
Publication date: 1987-09-10
Anticipated expiration: 2001-02-28
Also published as: JPH0510034Y2

Description

[Brief explanation of the drawing]

第１図は本考案に係る蝶番構造の要部を示す縦
断面図、第２図は同第１図の―線矢視による
断面図、第３図は同―線矢視図、第４図は蝶
番の斜視図、第５図は受枠の係止孔を示す横断面
図、第６図は蓋を旋回操作できる態勢としたとき
の蝶番の変位を示す断面図、第７図は開蓋が完了
したときの断面図、第８図は従来の蝶番構造を示
す断面図である。１：蓋、２：受枠、３：蝶番、４，５：テーパ
部、６：溝、７：パツキン、１０：枢支室、１１
：枢支口、１２：装着口、１３：側壁、１４：ピ
ン孔、１５：ピン、２０：係止孔、２１：リム、
３０：本体部、３１：球状係止部、３２：突起状
係止部、３３：第１摺動部、３４：第２摺動部、
３５：回転防止部。 Fig. 1 is a longitudinal cross-sectional view showing the main parts of the hinge structure according to the present invention, Fig. 2 is a cross-sectional view taken along the line - - of Fig. 1, Fig. 3 is a view taken along the - line of Fig. 4, and Fig. 4. is a perspective view of the hinge, FIG. 5 is a cross-sectional view showing the locking hole of the receiving frame, FIG. 6 is a cross-sectional view showing the displacement of the hinge when the lid is in a position where it can be rotated, and FIG. FIG. 8 is a cross-sectional view of the conventional hinge structure when completed. 1: Lid, 2: Receiving frame, 3: Hinge, 4, 5: Tapered part, 6: Groove, 7: Packing, 10: Pivot chamber, 11
: Pivot port, 12: Mounting port, 13: Side wall, 14: Pin hole, 15: Pin, 20: Locking hole, 21: Rim,
30: Main body part, 31: Spherical locking part, 32: Projection locking part, 33: First sliding part, 34: Second sliding part,
35: Rotation prevention part.

Claims

[Claims for Utility Model Registration] 1. In a hinge structure in which a lid is fixedly connected to the receiving frame by passing through an annular locking hole protruding from the inner periphery of the receiving frame, the lid is attached to one end of the main body of the hinge. a spherical locking portion that is rotatably locked on the lower surface of the main body, and a protruding locking portion that engages with the locking hole at the other end; A hinge structure for a lid for an underground structure, characterized in that the lid is bent from the bottom. 2. The main body of the hinge has an arched shape;
A hinge structure for a lid for an underground structure according to claim 1, wherein the spherical locking portion is bent in a direction in which the main body portion is convex. 3. The spherical locking portion of the hinge is rotatably housed in a bag-shaped pivot chamber formed on the lower surface of the lid and having a pivot opening through which the main body is inserted. A hinge structure for a lid for an underground structure according to claim 1 of the patent registration.