JPS62120545U - - Google Patents

Description

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

第１図は本考案の一実施例を示すマンホール鉄
蓋用受枠平面図、第２図は第１図の―断面図
、第３図は第２図の要部右側面図、第４図は要部
拡大平面図、第５図は第４図の―断面図、第
６図は網部材を直立状態に装着した平面図、第７
図は網部材を水平状態に橋架した縦断面図である
。 １０……マンホール鉄蓋用受枠、１１……受枠
本体、１３……手掛部、１４……主網座、１５…
…補助網座、１４ａ，１５ａ……受溝、１４ｂ，
１５ｂ……鉛直孔、２０……網部材。 Fig. 1 is a plan view of a receiving frame for a manhole iron cover showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of Fig. 1, Fig. 3 is a right side view of the main part of Fig. 2, and Fig. 4 is a 5 is a cross-sectional view of FIG. 4, FIG. 6 is a plan view with the net member installed in an upright position, and FIG.
The figure is a vertical cross-sectional view of the net member being bridged in a horizontal state. 10... Receiving frame for manhole iron cover, 11... Receiving frame body, 13... Handhold portion, 14... Main screen seat, 15...
...Auxiliary mesh seat, 14a, 15a...Receiving groove, 14b,
15b... Vertical hole, 20... Net member.

Claims (1)

【実用新案登録請求の範囲】 (1) 受枠本体１１の一方側上部に枠内方へ向け
て環状の手掛部１３が突設されたマンホール鉄蓋
用受枠１０において、前記手掛部１３の下方に、
左右一対の主網座１４を並列突設し、枠１０の他
方側下部には、枠内方へ向けて左右一対の補助網
座１５を並列突設し、前記主網座１４および補助
網座１５に、夫々、鉛直孔１４ｂ，１１５ｂが貫
設され、上面に枠内方へ向く受溝１４ａ，１５ａ
が設けられ、主網座１４には、円柱体を梯子状に
組合わせた網部材２０が直立状態に装着自在とさ
れ、主および補助網座１４，１５には、前記網部
材２０が水平状態に橋架自在とされるとともに、
夫々、固定可能とされたことを特徴とするマンホ
ール鉄蓋用受枠。 (2) 主網座１４の鉛直孔１４ｂに網部材２０が
直立状態で挿入され、該網部材２０は、その網体
主部２１より突設された位置決め鉤部２３により
手掛部１３に引掛係止され、網部材２０が前記手
掛部１３と前記孔１４ｂとに位置決めされること
により枠内外方への揺動が阻止され、その装着高
さが規制される実用新案登録請求の範囲第１項記
載のマンホール鉄蓋用受枠。 (3) 主網座１４の受溝１４ａは網部材２０の一
方側脚部２２を、また、補助網座１５の受溝１５
ａは同部材の他方側脚部２４を夫々支承し、補助
網座１５の鉛直孔１５ｂに、網部材２０の他方脚
部２４に形成された鈎部２４ａが引掛係止される
実用新案登録請求の範囲第１項記載のマンホール
鉄蓋用受枠。[Claims for Utility Model Registration] (1) In a receiving frame 10 for a manhole iron cover in which an annular handholding portion 13 is provided on the upper side of one side of the receiving frame main body 11 and protruding inward from the frame, the handholding portion 13 is Below,
A pair of left and right main screen seats 14 are provided in parallel and protruding, and a pair of left and right auxiliary screen seats 15 are provided in parallel and protruded toward the inside of the frame at the lower part of the other side of the frame 10. 15, vertical holes 14b and 115b are respectively provided therethrough, and receiving grooves 14a and 15a facing inward of the frame are provided on the upper surface.
A net member 20 in which cylindrical bodies are combined in a ladder shape can be attached to the main net seat 14 in an upright state, and the net member 20 can be attached in a horizontal state to the main and auxiliary mesh seats 14 and 15. It is said that the bridge can be built freely,
A receiving frame for a manhole iron cover, which is characterized in that each can be fixed. (2) The net member 20 is inserted into the vertical hole 14b of the main screen seat 14 in an upright state, and the net member 20 is hooked on the handhold portion 13 by the positioning hook portion 23 protruding from the main portion 21 of the net body. The net member 20 is locked and positioned between the handhold portion 13 and the hole 14b, thereby preventing the net member 20 from swinging inward and outward from the frame, and regulating the installation height of the net member 20. Receiving frame for manhole iron cover as described in item 1. (3) The receiving groove 14a of the main screen seat 14 connects the leg portion 22 on one side of the screen member 20, and the receiving groove 15 of the auxiliary screen seat 15
A is a utility model registration request in which the hooks 24a formed on the other leg 24 of the net member 20 are hooked and locked in the vertical holes 15b of the auxiliary net seat 15, respectively supporting the other side legs 24 of the same member. A frame for a manhole iron cover as described in item 1.