JPS6196069U

JPS6196069U -

Info

Publication number: JPS6196069U
Application number: JP18157484U
Authority: JP
Priority date: 1984-11-29
Filing date: 1984-11-29
Publication date: 1986-06-20

Description

[Brief explanation of drawings]

第１図は本考案に係るボツクスカルバートの一
実施例を示す斜視図、第２図はボツクスカルバー
トに設けられた挿入孔部と連結軸とを示す斜視図
、第３〜５図はボツクスカルバート相互の連結要
領を説明する断面図、第６図は連結状態にあるボ
ツクスカルバートを示す斜視図、第７図は従来の
ボツクスカルバートの連結部の構造の一例を示す
斜視図、第８図はその連結状態を示す断面図、第
９図は従来のボツクスカルバートの他の例をその
連結状態とともに示す斜視図である。１……ボツクスカルバート、２……ボツクスカ
ルバート主体、３……外側表面部、５……連結端
部分、６……接合端部、７……連結軸、９……挿
入孔部、１１……連結用凹部、１２……ネジ部、
１３……ナツト、１５……外側壁面部、１６……
内側表面部。 Fig. 1 is a perspective view showing an embodiment of the box culvert according to the present invention, Fig. 2 is a perspective view showing the insertion hole provided in the box culvert and a connecting shaft, and Figs. 6 is a perspective view showing the box culvert in a connected state, FIG. 7 is a perspective view showing an example of the structure of the connecting part of a conventional box culvert, and FIG. 8 is the connection FIG. 9 is a sectional view showing the state, and FIG. 9 is a perspective view showing another example of the conventional box culvert together with its connected state. DESCRIPTION OF SYMBOLS 1... Box culvert, 2... Box culvert main body, 3... Outer surface portion, 5... Connection end portion, 6... Joint end portion, 7... Connection shaft, 9... Insertion hole portion, 11... Connection recess, 12...screw part,
13... Nut, 15... Outer wall surface part, 16...
inner surface.

Claims

[Scope of utility model registration request]

A connecting shaft 7 having threaded portions 12, 12 at both ends.
This is a box culvert that is connected to each other at the connecting end portion 5 using a nut 13 and a nut 13, and has both connecting ends 6, 6 is provided with an insertion hole 9 for inserting the connecting shaft 7 extending in the length direction of the box culvert main body 2. In this state, the outer end 10 of the connecting shaft 7 does not protrude from the connecting end 6, and the outer surface 16 or the inner surface of the connecting end 5 is located approximately at the center of the insertion hole 9. A connecting recess 11 formed by recessing the portion 3 is interposed, and the connecting recess 11
, the nut 13 can be screwed into the threaded portion 12 provided at the end portion of the connecting shaft 7, and the nut 13 can be brought into contact with the outer wall surface 15 of the connecting recess 11. A box culvert that is characterized by: