JPS5891712U

JPS5891712U - Optical fiber connection section

Info

Publication number: JPS5891712U
Application number: JP18670281U
Authority: JP
Inventors: 貝津　良輔
Original assignee: 日立電線株式会社
Priority date: 1981-12-15
Filing date: 1981-12-15
Publication date: 1983-06-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は光フアイバー心線の横断面図、第２図は第１図
の心線の従来の接続部を余し、イは蓋を除去した平面図
、口はイの■−■矢視断面図、ハはイの側面図、第３図
、第４図はそれぞれ第１図の心線の引張強度補強対策を
講じた従来の接続部□の断面図、第５図は本考案の光フ
アイバー心線接続部の実施例の断面図、第６図は第５図
のＶＩ−ＶＩ矢矢視部面面図ある。１・・・・・・光フアイバー心線、２・・・・・・光フ
アイバー素線、９・・・・・・接続部、１５・・・・・
・光フアイバー素線接続保護部、１６・・・・・・円筒
状圧着金具、１７・・・・・・接続用スリーブ、１８・
・・・・・スリーブ固着部、１９・・・・・・円筒状被
覆層圧着金具、２０・・・・・・被覆層。Figure 1 is a cross-sectional view of the optical fiber core, Figure 2 is a plan view of the core in Figure 1 with the conventional connection part left in place, and A is a plan view with the lid removed. 3 and 4 are respectively cross-sectional views of the conventional connection section □ that takes measures to strengthen the tensile strength of the core wires shown in FIG. 1, and FIG. 5 is the side view of the present invention. FIG. 6 is a cross-sectional view of an embodiment of the fiber connection portion, and is a partial sectional view taken along the line VI--VI in FIG. 1... Optical fiber core wire, 2... Optical fiber bare wire, 9... Connection part, 15...
・Optical fiber wire connection protection part, 16... Cylindrical crimp fitting, 17... Connection sleeve, 18.
... Sleeve fixing part, 19 ... Cylindrical covering layer crimping fitting, 20 ... Covering layer.

Claims

[Scope of utility model registration request]

The coating layer of the optical fiber core wire consisting of the optical fiber strand and the coating layer of the optical fiber strand is peeled off, and the optical fiber strand is connected via the connection part, and the connection part is connected to the coating on both sides of the connection part. An optical fiber having an optical fiber strand connection protection part formed to cover and have a protective member attached to the layer part. A cylindrical crimp fitting consisting of a sleeve fixing part formed to have a larger outer diameter than the coating layer crimp fitting and the cylindrical coating layer crimp fitting which is fitted onto the outer periphery of the coating layer and fixed by crimping, and the optical fiber element. An optical fiber core connection part, characterized in that a connection sleeve is provided which is fitted into the outer layer of the sleeve fixing part of the cylindrical crimping fitting on both sides of the wire connection protection part and crimped and fixed together.