JPS61150304U

JPS61150304U -

Info

Publication number: JPS61150304U
Application number: JP3234685U
Authority: JP
Priority date: 1985-03-08
Filing date: 1985-03-08
Publication date: 1986-09-17

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る光フアイバの
接続部の構造を示す一部を断面とする構造図、第
２図ａ及びｂは第１図のＡ―Ａ′断面図及びＢ―
Ｂ′断面図、第３図は本考案の他の実施例の構造
を示す一部を断面とする構造図、第４図ａ及びｂ
はその外観図及び軸方向から見た一部を断面で示
す端面図、第５図ａ及びｂはかしめ前における同
じく外観図及び端面図、第６図は従来の構造を示
す構造図、第７図は軸ずれによる透過損失を示す
グラフである。図面中、１は光フアイバ、２は端面、３，３′
は接続スリーブ、４は間隙、５は接着剤、６，６
′はかしめ部、７はスリツト、８はスリツトの端
面である。 FIG. 1 is a partially sectional structural diagram showing the structure of an optical fiber connection part according to an embodiment of the present invention, and FIGS. 2a and 2b are sectional views taken along line A-A' and line B-
B' sectional view, FIG. 3 is a partially sectional structural view showing the structure of another embodiment of the present invention, and FIGS. 4 a and b.
5A and 5B are external views and end views before caulking, FIG. 6 is a structural diagram showing the conventional structure, and FIG. The figure is a graph showing transmission loss due to axis misalignment. In the drawing, 1 is an optical fiber, 2 is an end face, 3, 3'
is the connection sleeve, 4 is the gap, 5 is the adhesive, 6, 6
' is a caulked portion, 7 is a slit, and 8 is an end face of the slit.

Claims

[Scope of utility model registration request]

In a structure in which optical fibers are butt-connected using a connecting sleeve, the optical fiber is inserted into the cylindrical or slitted cylindrical connecting sleeve, and the connecting sleeve near the optical fiber butting part is connected at least three or more points approximately equally from the outer periphery or A structure of an optical fiber connection part characterized by being caulked over the entire circumference.