JPS6088910A - Optical fiber connector - Google Patents

Abstract

PURPOSE:To improve the efficiency of the arraying operation of optical fibers and apply circuit recovery connecting operation, etc., by connecting the optical fibers by using a both-surface adhesive tape. CONSTITUTION:A V-shaped groove for aligning optical fiber cores 3 to each other is formed at the lengthwise center part of a connector base 14 made of metal such as stainless steel, and plural recessed grooves 16 are formed crossing the V-shaped groove 15 at right angles. The depth of the recessed grooves 16 is equal to or preferably a little bit smaller than the sum of the diameter of optical fiber cores 3 and the thickness of the both-surface adhesive tape 13. The both-surface adhesive tape 13 is stuck in the recessed grooves 16 and the optical fiber cores 3 to be connected together are fitted in the V-shaped groove 15 while abutting on each other, so that the optical fiber cores 3 are adhered to the fixed with the both-surface adhesive tapes 13 in the recessed grooves 16. This connector is used to improve the efficiency of the connecting operation of optical fiber.

Description

DETAILED DESCRIPTION OF THE INVENTION +al Technical Field of the Invention The present invention relates to an optical fiber connector using the groove method, and particularly relates to an optical fiber connector that uses double-sided adhesive tape for connection.

lb) Problems with the prior art Figures 1 and 2 are perspective views of the sleeve method and the V-groove method for explaining conventional optical fiber connectors, where l is the optical fiber core wire and 2 is the optical fiber core wire. Covering.

3 is an optical fiber, 4 is a sleeve, 5 is an optical fiber insertion hole, 6 is a connector stand, 7 is an optical fiber coating fixing cover, 8 is an optical fiber fixing cover, and 9 and 10 are grooves.

rB of the ends to be connected of a pair of optical fiber core wires 1,
In the sleeve method, a predetermined dimension of the optical fiber 2 is removed and the removed optical fiber 3 is connected by inserting the optical fiber into the sleeve 4 formed by drilling the optical fiber insertion hole 5 from both sides and making a butt connection as shown in FIG. However, the optical fiber insertion hole 5 requires precise hole machining to be slightly larger than the outer diameter of the optical fiber 3, which poses a problem of high cost and poor connection efficiency. In addition, in the groove shape, when a pair of optical fibers 3 from which the coating 2 of the terminals has been peeled and removed are butted together at approximately the center of the connector 6, first, the portion where the coating 2 is not peeled is
< 9 is formed at both ends of the connector 6 with the optical fiber fixing cover 7, and then the matched optical fiber core wire 3 with the groove 10 formed is fixed with the optical fiber fixing cover 8. ing. However, since the pair of optical fibers l is fixed with a separate cover, there are problems such as poor workability such as difficulty in positioning the optical fibers, and difficulty in achieving a good connection due to the strength of the tightening method.

+c+ OBJECTS OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to provide an optical fiber connector that connects optical fibers using a double-sided adhesive tape that is easy to connect.

(dl Structure of the invention In order to achieve the above objects, the present invention has been made.

An optical fiber splicer for connecting a pair of terminal-treated small-core or multi-core optical fibers along the E1 and VfI, with double-sided surfaces for adhesively fixing the optical fibers to the optical fiber mounting section. This is achieved by providing an adhesive tape with adhesive properties.

tel Embodiments of the Invention Hereinafter, embodiments of the optical fiber connector according to the present invention will be described in detail with reference to the drawings.

FIG. 3 is a perspective view for explaining one embodiment of the optical fiber connector according to the present invention, in which the same parts as in the previous figure are given the same reference numerals, 11 is a connector base, 12 is a ■Groove,
13 is a double-sided adhesive tape.

V? which aligns the optical fiber core wires 3 at the center in the longitudinal direction of the connector base 11 made of metal such as stainless steel. VJ
12, a double-sided adhesive tape 13 is attached to the surface on which the groove 12 is formed, and a V to which the double-sided adhesive tape 13 is attached.
The optical fiber core 3 to be connected to the groove 12 is placed and bonded in abutted state.

FIG. 4 is a perspective view for explaining another embodiment of the optical fiber connector according to the present invention, in which the same parts as in the previous figure are given the same reference numerals, 14 is a connector stand, 15 1 is a groove, and 16 is a concave groove.

■Groove 15 for aligning the optical fiber cores 3 in the longitudinal center of the connector base 14 made of metal such as stainless steel.
and a plurality of concave fJ orthogonal to the groove 15.
The depth of the concave groove 16 forming the optical fiber core 3 is
The dimension is preferably equal to or slightly shallower than the diameter of the double-sided adhesive tape 13 plus the thickness of the double-sided adhesive tape 13. and the groove 16
With the double-sided adhesive tape 13 pasted inside the groove 1 and the optical fiber cores IJjt 3 to be connected being butted together
5, the optical fiber core 3 is adhesively fixed to the double-sided adhesive tape 13 in the groove 16.

FIG. 5 is a perspective view for explaining an application example of the optical fiber connector according to the present invention, in which parts equivalent to those in the previous figure are given the same reference numerals, 17 is a connector stand, 1B is a V groove,
19 is a groove, and 20 is a semicircular recess.

The optical fiber cores 3 are aligned in the longitudinal center of the connector base 17 made of metal such as stainless steel.
In addition to establishing B, the corresponding V? A plurality of concave grooves 19 were formed perpendicular to ff11B, and semicircular concave portions 20 corresponding to the outer diameter of the coating 2 of the optical fiber 1 were cut at both ends of the groove 18 formed in the connector stand 17. A double-sided adhesive tape 13 is pasted in the concave groove 19 of the connector stand 17, and with the optical fiber core wires 3 to be connected abutted against each other, the V-groove 18 is
When inserted into the semicircular recess 20, the optical fiber core 3 is adhesively fixed to the double-sided adhesive tape 13 in the recessed groove 19, and the coating 2 of the optical fiber l is fitted into the semicircular recess 20. It is something.

FIG. 6 is a perspective view of the cover to be screwed on (al is a perspective view of the cover to be screwed on, and (b) is for explaining the cover of the optical fiber connector according to the present invention.
2 is a perspective view of a cover with a hook, and the same parts as in the previous figure are given the same reference numerals. 21 is a screw-on cover, 2 is a screw-on cover;
2 is the hook cover, 23 is the tightening screw.

171 is a punch hole, 172 is a notch, 211 is a tightening hole, 2
21 is a hook. The covers of 21 and 22 are provided with semicircular grooves 20 corresponding to the semicircular grooves 20 for coating the optical fiber, and V-shaped grooves are provided to press and guide the optical fiber when attached to the connector stand 17. V corresponding to groove 18
m may be provided.

FIG. 6 (al is a stainless steel plate with the same external shape as the connector base 17). A tightening hole 21 corresponding to the screw hole 171
1 is provided with a screw cover 21 which is fitted onto the connector base 17 and fixed with tightening screws 23. In FIG. 6 fbl, a plurality of notches 172 are cut in the lower ends of both sides parallel to the V-groove 18 of the connector stand 17, and the optical fibers l are aligned in the order explained in FIG. Utensil stand 1
7, and is made of an elastic member or the like having the same external shape as 7, and has hooking claws 221 corresponding to the plurality of notches 172.
The cover 22 is press-fitted and fixed from the direction of the arrow.

In addition, in this embodiment, the shape of the groove of the fitting part of the coating 2 of the optical fiber has been described in terms of the four semicircular parts 20, but the shape of the groove is not limited to the four semicircular parts, but may be a rectangular groove. You may also apply double-sided adhesive tape to the inner surfaces of the four semicircles. Furthermore, although stainless steel has been mainly described as the connector stand, it may also be made of ceramic or the like.

(fl Effects of the Invention As is clear from the above explanation, the optical fiber connector according to the present invention improves the efficiency of aligning optical fibers compared to conventional connectors, and can be applied to line restoration and connection work, etc. It is extremely effective.

[Brief explanation of drawings]

1 and 2 are a perspective view of a sleeve method and a groove-like perspective view for explaining a conventional optical fiber connector;
FIG. 3 is a perspective view for explaining one embodiment of the optical fiber connector according to the present invention, and FIG. 4 is a perspective view for explaining another embodiment of the optical fiber connector according to the present invention. , 5th
The figure is a perspective view for explaining an application example of the optical fiber connector according to the present invention, and FIG. 6 is a perspective view for explaining the cover of the optical fiber connector according to the present invention. A perspective view, (b) is a perspective view of a cover with a hook. In the figure, 1 is an optical fiber core, 2 is a coating, 3 is an optical fiber, 4 is a sleeve, 5 is an optical fiber core insertion hole, 6 .11.14. and 17 are connector stands, 7 is an optical fiber fixing cover, 8 is an optical fiber core fixing cover, 9
, 10, 12. 15 and 18 are V grooves, 13 is double-sided adhesive tape, 16 and 19 are grooves, and 20 is a semicircular groove. 21 is a fastening cover, 22 is a hook cover, 23 is a tightening screw, 171 is a punching hole, 172 is a notch, and 211 is a tightening hole. Reference numeral 221 indicates a hook. Figure 1 Figure 14% 5 Figure 6 (CI) (b) Fufu

Claims (3)

[Claims] (1) An optical fiber splicer that connects a pair of center-of-gravity or multi-core optical fibers that have been tapped and terminated and are aligned along a V-groove, with the optical fibers being adhesively fixed to the optical fiber mounting section. 1. An optical fiber connector characterized in that adhesive tape having adhesive properties is provided on both sides of the connector. (2) The optical fiber connector according to claim 11, wherein the adhesive tape is provided on all or part of Vtm. (3) The adhesive tape is provided in the concave portion including the vfI of the optical fiber S placement portion.
) Fiber optic connector as described in paragraph