JPH0262993U - - Google Patents

Description

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

第１図ないし第３図はこの考案の第１実施例に
係る下水道管用ガイドシーブ付き閉塞蓋を示すも
のであつて、第１図は縦断側面図、第２図は正面
図、第３図は第１図のＡ―Ａ線断面図である。第
４図および第５図はこの考案の第２実施例に係る
下水道管用ガイドシーブ付き閉塞蓋を示すもので
あつて、第４図は一部切欠縦断側面図、第５図は
正面図である。第６図はこの考案の第１実施例に
係るガイドシーブ付き閉塞蓋を使用して下水道管
内の清掃を行なつている状態を示す一部切欠縦断
側面図、第７図はガイドシーブ付き閉塞蓋を下水
道管内の端部に取付けた状態を示す縦断側面図、
第８図はその一部横断平面図である。第９図は従
来の下水道管閉塞蓋および条体用ガイドシーブの
設置例と下水道管内清掃状況とを示す一部切欠縦
断側面図である。 図において、１は金属製蓋本体、２はゴム製シ
ール用円環状チユーブ、３は閉塞蓋、４は通気孔
、５は開閉弁、６は支持部材、７は条体用ガイド
シーブ、８は下水道管、１２はマンホール、１７
は継手、１８は送気用ホース、２１は条体外れ止
め金具、２２は固定用ねじ部材、２３は把手、２
４は送気兼支持用金属製管体、２５は下水道管、
２６は牽引用条体、２７はウインチ、２９は真空
吸引式管内清掃装置、３０はマンホール、３２は
真空吸引タンク、３３は吸引ホース巻付用リール
、３６は下流側ガイドシーブ、３７は吸引ホース
である。 1 to 3 show a closure lid with a guide sheave for sewer pipes according to a first embodiment of this invention, in which FIG. 1 is a vertical side view, FIG. 2 is a front view, and FIG. FIG. 2 is a sectional view taken along the line AA in FIG. 1; 4 and 5 show a closure lid with a guide sheave for sewer pipes according to a second embodiment of this invention, in which FIG. 4 is a partially cutaway vertical side view, and FIG. 5 is a front view. . Fig. 6 is a partially cutaway vertical side view showing the state in which the inside of a sewer pipe is cleaned using a blocking lid with a guide sheave according to the first embodiment of the invention, and Fig. 7 is a partially cutaway longitudinal side view of the blocking lid with a guide sheave according to the first embodiment of the invention. A longitudinal side view showing the state where the is installed at the end of the sewer pipe,
FIG. 8 is a partially cross-sectional plan view thereof. FIG. 9 is a partially cutaway longitudinal side view showing an example of installation of a conventional sewer pipe blocking cover and a guide sheave for strips, and a state of cleaning inside the sewer pipe. In the figure, 1 is a metal lid body, 2 is a rubber sealing annular tube, 3 is a closing lid, 4 is a ventilation hole, 5 is an on-off valve, 6 is a support member, 7 is a guide sheave for the strip, and 8 is a Sewer pipe, 12 is manhole, 17
18 is a joint, 18 is a hose for air supply, 21 is a strip stopper, 22 is a fixing screw member, 23 is a handle, 2
4 is a metal pipe for air supply and support, 25 is a sewer pipe,
26 is a traction strip, 27 is a winch, 29 is a vacuum suction type pipe cleaning device, 30 is a manhole, 32 is a vacuum suction tank, 33 is a suction hose winding reel, 36 is a downstream guide sheave, and 37 is a suction hose. It is.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円形の金属製蓋本体１の外周にゴム製シール用
円環状チユーブ２が嵌合固定されて閉塞蓋３が構
成され、前記円環状チユーブ２に設けられた通気
孔４に開閉弁５が接続され、前記蓋本体１に固定
された支持部材６に条体用ガイドシーブ７が回転
自在に取付けられている下水道管用ガイドシーブ
付き閉塞蓋。 A sealing annular tube 2 made of rubber is fitted and fixed on the outer periphery of a circular metal lid body 1 to form a closing lid 3, and an on-off valve 5 is connected to a vent hole 4 provided in the annular tube 2. , a closure lid with a guide sheave for a sewer pipe, in which a guide sheave 7 for a strip is rotatably attached to a support member 6 fixed to the lid main body 1.