JPS6437551U

JPS6437551U -

Info

Publication number: JPS6437551U
Application number: JP12816487U
Authority: JP
Priority date: 1987-08-24
Filing date: 1987-08-24
Publication date: 1989-03-07
Anticipated expiration: 2002-08-24
Also published as: JPH0617873Y2

Description

[Brief explanation of the drawing]

第１図、第２図は本考案の異なる実施例の縦断
説明図、第３図は本考案の要部の詳細図、第４図
は本考案における球状スペーサの１例を示す説明
図のものであり、Ａは平面図、Ｂは正面図、Ｃは
側面図、第５図Ａは受枠に蓋を閉めた状態の平面
図、第５図Ｂは同図Ａの縦断側面図、第６図Ａは
受枠の部分平面図、同図Ｂは受枠の部分側面図、
第７図Ａ，Ｂ，Ｃは本考案における球状スペーサ
の異なる使用例を示す説明図、第８図Ａは本考案
にリング状スペーサの平面図、同図Ｂは同スペー
サの側面図、第９図は従来のマンホールの説明図
である。１はマンホール本体、２は上面、３は受枠、４
は球状スペーサ、５はボルト、６は球状スペーサ
の通孔、７は受枠のボルト差込孔、８はナツト、
９は受枠の底面、１０は球状接触面、１１は受凹
部、１２はリング状スペーサ、１３は球面凹部、
１４は台座、１５は球面受部。 Figures 1 and 2 are longitudinal cross-sectional views of different embodiments of the present invention, Figure 3 is a detailed view of the main parts of the present invention, and Figure 4 is an explanatory view showing one example of the spherical spacer of the present invention. , A is a plan view, B is a front view, C is a side view, Fig. 5A is a plan view with the lid closed on the receiving frame, Fig. 5B is a vertical side view of Fig. A is a partial plan view of the receiving frame, B is a partial side view of the receiving frame,
7A, B, and C are explanatory diagrams showing different usage examples of the spherical spacer in the present invention; FIG. 8A is a plan view of the ring-shaped spacer in the present invention; FIG. 8B is a side view of the spacer; The figure is an explanatory diagram of a conventional manhole. 1 is the manhole body, 2 is the top surface, 3 is the receiving frame, 4
is a spherical spacer, 5 is a bolt, 6 is a through hole in the spherical spacer, 7 is a bolt insertion hole in the receiving frame, 8 is a nut,
9 is the bottom surface of the receiving frame, 10 is a spherical contact surface, 11 is a receiving recess, 12 is a ring-shaped spacer, 13 is a spherical recess,
14 is a pedestal, and 15 is a spherical receiver.

Claims

[Claims for Utility Model Registration] (1) A spherical spacer 4 having a spherical surface between the upper surface 2 of the manhole body 1 and the receiving frame 3 installed thereon.
is provided directly or indirectly, the bolt 5 protruding from the upper surface 2 of the manhole body 1 is passed through the through hole 6 of the spherical spacer 4 and the bolt insertion hole 7 of the receiving frame 3, and the nut 8 attached to the bolt 5 is tightened. A manhole receiving frame mounting structure in which a receiving frame 3 is fixed to a manhole body 1. (2) The manhole receiving frame mounting structure according to claim 1, wherein the spherical spacer 4 is separate from the receiving frame 3. (3) The manhole receiving frame mounting structure according to claim 1, wherein the spherical spacer 4 is integrated with the receiving frame 3. (4) The manhole receiving frame mounting structure according to claim 1, wherein a receiving recess 11 into which the spherical contact surface 10 of the spherical spacer 4 fits is formed in the bottom surface 9 of the receiving frame 3. (5) The manhole receiving frame mounting structure according to claim 1, wherein a ring-shaped spacer 12 is provided directly or indirectly between the upper surface 2 of the manhole body 1 and the spherical spacer 4. (6) A utility model in which a pedestal 14 having a spherical recess 13 into which the spherical contact surface 10 of the spherical spacer 4 fits is directly or indirectly provided between the upper surface 2 of the manhole body 1 and the spherical spacer 4. A manhole receiving frame mounting structure according to registered claim 1. (7) A pedestal 14 having a spherical recess 13 into which the spherical contact surface 10 of the spherical spacer 4 fits is directly or indirectly provided between the upper surface 2 of the manhole body 1 and the spherical spacer 4, and A manhole receiving frame mounting structure according to claim 1, wherein a spherical spacer 4 is provided on a spherical receiving portion 15 formed above.