JPS5833554U

JPS5833554U - Manhole with locking mechanism

Info

Publication number: JPS5833554U
Application number: JP12588681U
Authority: JP
Inventors: 中箸　安孝
Original assignee: 日豊金属工業株式会社
Priority date: 1981-08-27
Filing date: 1981-08-27
Publication date: 1983-03-04

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]

第１図は、本考案に係る施錠機構付きマンホールの一実
施例を示す断面図、第２図は、マンホール蓋の部分断面
図、第３図は、マンホール蓋のガイドリブを示す断面図
、第４図は、マンホール受枠の部分平面図、第５図は、
摺動部材の側面図、第６図は、摺動部材の平面図、第７
図は、連結棒の側面図である。１・・・マンホール蓋、２・・・マンホール受枠、３・
・・受は部、４・・・ガイドリブ、５・・・ガイド突起
、６・・・ロック部材、７・・・鍵溝、８・・・錠穴、
９・・・錠、１０・・・錠止突起、１１・・・錠止部、
１２・・・当接部、１３・・・重錘、１４・・・ピン、
１５・・・摺動部材、１６・・・軸支リブ、１７・・・
軸、１８・・・摺動凹部、１９・・・係止突起、２０・
・・係止部、２１・・・連結棒、２２・・・ピン、２３
・・・抜止突起、２４・・・突、２５・・・抜止部、２
６・・・突縁。FIG. 1 is a sectional view showing an embodiment of a manhole with a locking mechanism according to the present invention, FIG. 2 is a partial sectional view of a manhole cover, FIG. 3 is a sectional view showing guide ribs of the manhole cover, and FIG. The figure is a partial plan view of the manhole receiving frame, and Figure 5 is
The side view of the sliding member, FIG. 6, is the top view of the sliding member, FIG.
The figure is a side view of the connecting rod. 1... Manhole cover, 2... Manhole support frame, 3...
...Receiver part, 4... Guide rib, 5... Guide protrusion, 6... Lock member, 7... Key groove, 8... Lock hole,
9...Lock, 10...Lock protrusion, 11...Lock part,
12... Contact portion, 13... Weight, 14... Pin,
15... Sliding member, 16... Pivoting rib, 17...
Shaft, 18...Sliding recess, 19...Lock protrusion, 20.
...Locking part, 21...Connecting rod, 22...Pin, 23
... Removal prevention protrusion, 24 ... Protrusion, 25 ... Removal prevention portion, 2
6...Protrusion.

Claims

[Scope of utility model registration request]

In a manhole in which a manhole cover is fitted into a manhole receiving frame and both are locked, a locking member is swingably disposed on the back side of an edge of the manhole cover and engages with a locking portion of the manhole receiving frame; a sliding member slidably disposed on the back side of the edge opposite to the locking member;
A connecting rod rotatably connected to one end of the sliding member and having a lower end loosely connected to the manhole receiving frame, a locking protrusion formed at the end of the sliding member on the connecting rod side, and the locking protrusion. A manhole with a locking mechanism, characterized in that it has a locking part formed on the inner periphery of a manhole receiving frame for engagement.