JP2921298B2 - Structure of array type optical connector plug - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an array type optical connector, and more particularly to an array type optical connector plug used for optical communication.

[0002]

2. Description of the Related Art Conventionally, this type of array type optical connector has a structure shown in FIG. FIG. 4 is a perspective view of a conventional example. The optical connector plug 22 is formed by casting the optical fiber 21 into the mold plug. The two optical connector plugs 22 and 24 are connected by being guided by guide pins 23.

[0003]

In this conventional array type optical connector plug, since the optical fiber is integrally cast into a plug body formed by molding, the optical fiber is once formed as an optical connector plug. When,
There is a problem that it is not possible to remove individual optical fibers formed as an array or change the casting position of each optical fiber later.

[0004]

According to the structure of the array type optical fiber plug of the present invention, a tube-shaped ferrule is inserted into a terminal portion to reinforce strength, and a flange-shaped locking portion is provided at a rear portion of the ferrule. A plurality of optical fibers, a plurality of holes having an inner diameter slightly larger than the diameter of the ferrule portion, and at least two guide pins for fixing the ferrule portions of the plurality of optical fibers in a state of being arranged in parallel. A box-shaped housing having a hole, and a locking member for detachably fixing each of the locking portions to a rear portion of the housing in a state where the plurality of optical fibers are inserted into the holes of the housing. I have.

[0005]

Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a (a) front view and (b) a side view showing the structure of this embodiment. The housing 4 is provided with a plurality of array-shaped holes 3 and guide holes 6 for fixing the optical fiber 1 into which the ferrules 2 have been inserted. A locking member 8 for holding and fixing the flange 5 is provided. A ferrule 2 is inserted into the optical fiber 1, and a fixing flange 5 is attached to the ferrule. The part of the ferrule 2 of this optical fiber is inserted into a hole of the housing 4, and each end face is
Has the same structure as the front surface.

FIG. 2 is an exploded perspective view showing the locking mechanism of FIG. This figure shows a locking mechanism of the housing 4 for holding and fixing the ferrule 2 and a locking structure of the ferrule 2. At the rear of the ferrule 2, a square flange 5 is provided. Further, a step 7 for preventing rotation of the ferrule is provided at a rear portion of the housing 4, and the flange 5 of the ferrule 2 is guided by the step 7. Therefore, rotation of the ferrule 2 is prevented.
On the other hand, the ferrule 2 inserted in the housing 4 in parallel
A locking member 8 for holding the flange 5 from behind is provided so as not to come off from the rear, and the locking member 8 is fitted and held in the groove 4a of the housing 4 by an elastic locking portion 8a. .

The ferrule 2 does not need to be used if the optical fiber 1 is coated with a metal such as nickel to enhance the strength.

FIG. 3 shows the optical connector plug shown in FIG.
It is a side view which shows the state which connected one. The two optical connector plugs 12 and 13 are aligned using two guide pins 10 and are held by a spring clip 11 so as not to be separated from each other.

[0010]

As described above, according to the present invention, the locking mechanism provided at the rear portion of the plug is detachable, and the locking mechanism can be freely enabled or disabled. There is an effect that the optical fiber or the ferrule can be freely removed or replaced.

[Brief description of the drawings]

FIG. 1A shows an embodiment of an optical connector plug according to the present invention.
It is a front view, (b) side view.

FIG. 2 is an exploded perspective view showing the locking mechanism of FIG.

FIG. 3 is a side view showing a connection state of the optical connector plug of FIG. 1;

FIG. 4 is a perspective view of a conventional optical connector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Optical fiber 2 Ferrule 3 Hole 4 Housing 5 Flange 6 Guide hole 7 Step part 8 Locking member 10 Guide pin 11 Spring clip 12, 13 Optical connector plug

Claims (3)

(57) [Claims] 1. A plurality of optical fibers each having a tubular ferrule inserted into a terminal portion and having a flange-shaped locking portion at a rear portion of the ferrule, and a ferrule portion of the plurality of optical fibers are arranged in parallel. A box-shaped housing having a plurality of holes having an inner diameter slightly larger than the diameter of the ferrule part and at least two guide pins or holes for guide pins for fixing the optical fibers in a state of being arranged in a row, A locking member for detachably fixing each of the locking portions to a rear portion of the housing in a state where the locking portion is inserted into a hole of the housing. 2. A metal core to reinforce strength at a terminal portion.
The metal-coated part
A plurality of optical fibers having a plurality of locking portions;
The optical fiber metal-coated parts are arranged in parallel.
Part with this metal coat to fix it
Multiple holes with an inner diameter slightly larger than the diameter of at least
Box having two guide pins or guide pin holes
Housing and a plurality of the optical fibers
With each of the locking portions inserted into the housing hole,
Locking member for detachably fixing to the rear of the
The structure of an array type optical connector plug characterized by the following. 3. The locking member according to claim 1, wherein each of said locking portions is formed by said housing.
Fits into the housing while pressing against the rear of the jing
Make sure that the fittings for securing
3. The array-type optical connector according to claim 1, wherein:
Tap plug structure.