JPS5829644U

JPS5829644U - Manhole cover locking device

Info

Publication number: JPS5829644U
Application number: JP12442081U
Authority: JP
Inventors: 清後藤
Original assignee: 合資会社北勢鋳鉄製作所
Priority date: 1981-08-22
Filing date: 1981-08-22
Publication date: 1983-02-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので、第１図は閉蓋状
態を示す側断面図、第２図はＬ型しバーピン着状態を示
す拡大正面図、第３図はＬ型しバニの拡大斜視図、第４
図はマグネト付き棒材の斜視図、第５図は貫通孔の一例
を示す拡大平面図、第６図は開蓋初動時の状態を示す拡
大側断面図、第７図は閉蓋途中の状態を示す拡大側断面
図である。蓋体１はマンホール外枠Ｍの開口部Ｋに嵌装され、Ｌ型
レバー３は蓋体１の下面に軸支５，５されている。Ｌ型
レバー３の横片３ａの外端部は蓋体１の中心方向へ指向
され、その垂片３ｂは垂下状態にあり、この垂片３ｂが
蓋体１の外周方向へ傾動しないようにその垂片３ｂの基
部３ｃが蓋体１の裏面にて規制されている。係止孔６は
垂片３ｂに透設されている。係止部材７は開口部に内周
に植設されている。 □ １〜　−６Ｑ３ｂ第６図ノセイＸ６　　盈　抛ｂ−The drawings show one embodiment of the present invention, in which Fig. 1 is a side sectional view showing the closed state, Fig. 2 is an enlarged front view showing the L-shaped bar pin attached state, and Fig. 3 is the L-shaped bar pin. Enlarged perspective view of 4th
The figure is a perspective view of a bar with a magnet, Figure 5 is an enlarged plan view showing an example of a through hole, Figure 6 is an enlarged side cross-sectional view showing the state at the beginning of opening the lid, and Figure 7 is the state in the middle of closing the lid. It is an enlarged sectional side view showing. The lid 1 is fitted into an opening K of a manhole outer frame M, and the L-shaped lever 3 is pivoted 5, 5 on the lower surface of the lid 1. The outer end of the horizontal piece 3a of the L-shaped lever 3 is oriented toward the center of the lid 1, and its hanging piece 3b is in a hanging state, and the hanging piece 3b is bent so that it does not tilt toward the outer circumference of the lid 1. The base portion 3c of the hanging piece 3b is regulated by the back surface of the lid body 1. The locking hole 6 is transparently provided in the hanging piece 3b. The locking member 7 is implanted on the inner periphery of the opening. □ 1 ~ -6Q3b Figure 6 Nosei X6 盈抛b-

Claims

[Scope of utility model registration request]

The lid fitted into the opening of the manhole outer frame has one end connected to the outer frame so as to be openable and closable, and an L-shaped lever swingably pinned to the other end in the lower figure. The outer end of the horizontal piece of the mold lever is oriented toward the center of the lid body, and a locking hole is formed in the vertical piece, while the locking hole is formed in the inner peripheral surface of the manhole outer frame. A lid locking device is provided with a locking member that can be engaged with the lid, and when the lid is opened, a magneto rod inserted into a through hole provided in the lid locks the horizontal piece. A manhole cover locking device characterized in that the locking hole of the hanging piece is detached from the locking member by attracting and lifting the vicinity of the outer end of the manhole cover.