JPH0242953U - - Google Patents
Info
- Publication number
- JPH0242953U JPH0242953U JP11794188U JP11794188U JPH0242953U JP H0242953 U JPH0242953 U JP H0242953U JP 11794188 U JP11794188 U JP 11794188U JP 11794188 U JP11794188 U JP 11794188U JP H0242953 U JPH0242953 U JP H0242953U
- Authority
- JP
- Japan
- Prior art keywords
- iron
- cover
- overhangs
- manhole
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Description
第１図は本考案のマンホール用鉄蓋の取付け構
造を示す断面図、第２図は第１図のＡ―Ａ断面図
を示し、第３図は枠体に鉄蓋を結合した本考案の
平面図、第４図は本考案の場合の内圧がかかつた
時のパツキングの形状をその断面図で示したもの
、第５〜６図は公知のマンホール用鉄蓋の取付け
構造を示す断面図である。
１：枠体、１ａ：張出部、１ｂ：外枠、２：鉄
蓋、３：パツキング、４：Ｔ字ボルト、４ａ：脚
部、４ｂ：水平部、５：ナツト、６：支持金具、
６ａ：取つ手、７：水平ピン、８：ブロツク。
Fig. 1 is a sectional view showing the mounting structure of the manhole iron cover of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a cross-sectional view showing the installation structure of the iron manhole cover of the present invention. A plan view, FIG. 4 is a sectional view showing the shape of the packing when internal pressure is applied in the case of the present invention, and FIGS. 5 and 6 are sectional views showing the mounting structure of a known manhole iron cover. It is. 1: Frame body, 1a: Overhanging part, 1b: Outer frame, 2: Iron lid, 3: Packing, 4: T-shaped bolt, 4a: Leg part, 4b: Horizontal part, 5: Nut, 6: Support metal fittings,
6a: Handle, 7: Horizontal pin, 8: Block.
Claims (1)
一対の張出部を設けた空間部を形成せしめ、前記
張出部の間に脚部を上向にしてＴ字ボルトを嵌挿
し、更に支持金具を挿入して前記Ｔ字ボルトを固
定し、且つ、マンホールの中心部に向けて連続す
る開口部を有する弾性を備えたパツキングを枠体
の内側上方に配設し、次いで鉄蓋を載置し、該鉄
蓋に配設した貫通孔に前記Ｔ字ボルトを突出せし
めナツトにより結合せしめてなることを特徴とす
るマンホール用鉄蓋の取付け構造。 Spaces having a recess at the bottom and a pair of overhangs at the top are formed at multiple locations on the frame, and a T-bolt is inserted between the overhangs with the legs facing upward. Further, a support fitting is inserted to fix the T-shaped bolt, and an elastic packing having a continuous opening toward the center of the manhole is arranged inside and above the frame, and then an iron cover is attached. 1. A mounting structure for an iron manhole cover, characterized in that the T-shaped bolt is projected into a through hole provided in the iron cover and connected with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11794188U JPH0242953U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11794188U JPH0242953U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0242953U true JPH0242953U (en) | 1990-03-26 |
Family
ID=31361853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11794188U Pending JPH0242953U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242953U (en) |
-
1988
- 1988-09-09 JP JP11794188U patent/JPH0242953U/ja active Pending