JPH0996734A - Optical fiber connector disassembling tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the disassembling workability of an optical fiber connector for holding an optical fiber between clamping members by providing the moving space of one clamping member moved in the direction of deviating from the other clamping member supported by an engagement pawl between the pair of supporting blocks. SOLUTION: This tool is provided with a pair of the mutually parallelly arranged supporting blocks 11 and 12 to be brough closer and separated while being guided by a shaft 10 as a guiding means and the engagement pawl 15 provided projectingly from side faces 13 and 14 facing the respective opposite sides of the respective supporting blocks 11 and 12, inserted to an insertion hole opened on the side face of an optical fiber connector 1 arranged between them and engaged with a pressing cover 3. This moving space 16 of a base 2 moved in the direction of deviating from the pressing cover 3 supported by the engagement pawl 15 is provided between the pair of the supporting blocks 11. Also, the shaft 10 serves the function of a clamping member holding member for supporting the base 2 at a target position in case of disassembling the optical fiber connector 1 as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical fiber connector disassembling tool for disassembling an optical fiber connector that sandwiches an optical fiber between a base and a pressing lid so that they can be butted and connected.

[0002]

2. Description of the Related Art Conventionally, an optical fiber connector has a structure in which two butted optical fibers are fixed in the same housing. The aligning and positioning structure of the optical fiber connector includes (1) a structure in which an optical fiber is inserted into both ends of a precision thin tube (hereinafter, "microcapillary") and abutted against each other; And (3) a structure in which an optical fiber is carried at the center of three precision rods or three precision balls and positioned.

[0003]

In the case of the above-mentioned optical fiber connector, however, the following problems have arisen due to the structure in which the optical fiber is simply fixed in the housing. That is, due to the difference in the coefficient of thermal expansion between the housing fixing the abutted optical fibers and the optical fiber, the abutted state of the optical fibers changes when the temperature changes. As a result, there is a problem that the connection loss of the optical fiber fluctuates. Further, in the housing, the optical fiber is held by an elastic body. However, due to the deterioration of the elastic body over time, the holding force of the optical fiber is reduced, the butting state of the optical fiber changes, and the connection loss fluctuates. There were also problems.

In view of the above problems, in recent years, there has been proposed an optical fiber connector for sandwiching a pair of optical fibers between two plate-shaped sandwiching members so that they can be abutted and connected to each other. However, since the optical fiber connector is too small to manually open and close the integrated holding member, and there is no suitable tool for separating the integrated holding member, the disassembling work is difficult. There was a problem that was. For this reason, workability such as connection switching of the optical fiber 4 is extremely poor.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an optical fiber connector disassembling tool which improves disassembly workability of an optical fiber connector for sandwiching an optical fiber between sandwiching members. It is what

[0006]

The present invention has the following features to attain the object mentioned above. That is, in the optical fiber connector disassembling tool according to claim 1, a pair of sandwiching members for sandwiching the optical fibers so that they can be butt-connected to each other and a pair of the sandwiching members are engaged with each other when the sandwiching members are integrated to form an integrated state of the sandwiching members. An optical fiber connector disassembling tool for disassembling an optical fiber connector comprising a pair of engaging and disengaging means for holding, a pair of support blocks being approached and separated while being guided by guide means, and respective supports. The blocks are projected toward the opposite side surfaces of the blocks, and are inserted into the insertion holes formed between the sandwiching members of the optical fiber connector arranged between the blocks to engage with one sandwiching member. An engaging claw, and between the pair of support blocks, there is provided a movement space for the other clamping member that is moved in a direction of separating from the other clamping member supported by the engaging claw. To It was the solution means of the serial task.

The optical fiber connector disassembling tool according to a second aspect is the optical fiber connector disassembling tool according to the first aspect, wherein the engaging means holds the sandwiching members forming a pair close to each other. It is a pair of multi-stage engaging portions that form engagement positions in multiple stages according to the distance between them, and any one of the engagements formed by the multi-stage engaging portions except when the holding member is integrated in the moving space. The sandwiching member holding means for holding the other sandwiching member at the mating position is provided as a means for solving the above problems.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an optical fiber connector disassembling tool of the present invention will be described below with reference to FIGS. 1 to 6. Reference numeral 9 in the drawing is an optical fiber connector disassembly tool of the present embodiment. The optical fiber connector disassembling tool 9 is an optical fiber connector disassembling tool for disassembling the optical fiber connector 1 shown in FIGS. 5 and 6. The optical fiber connector 1 is shown in FIG.
Further, as shown in FIG. 6, a pair of optical fibers 4 that are butt-connected are sandwiched between a slender rod-shaped base 2 and a holding lid 3 mounted on the upper surface of the base 2. The pressing lid 3 is inserted and fitted between a pair of wall portions 5 projectingly provided on the upper surface of the base 2, so that the optical fiber 4 is sandwiched between the pressing lid 3 and the base 2. Base 2
The holding lid 3 and the holding lid 3 both function as a holding member.

The wall portion 5 of the pressing lid 3 fitted between the wall portions 5
On a pair of outer surfaces that are in contact with the inner surface, an engagement groove 7 that can be engaged with and disengaged from an engagement projection 6 (engagement means) formed on the inner surface of the wall portion 5.
A plurality of (multi-stage engaging means) are provided in a protruding manner. The engagement groove 7 is
When the holding lid 3 is moved in the direction of attaching and detaching between the wall portions 5 of the base 2, the engagement with the engaging protrusions 6 is arranged in multiple stages in the middle of the movement. There is. An insertion hole 8 for separating the base 2 and the pressing lid 3 is formed between the base 2 and the pressing lid 3. Insertion hole 8
Are opened at a plurality of locations on the side surface of the optical fiber connector 1.

The optical fiber connector 1 is adapted to clamp and release the optical fiber 4 arranged between the optical fiber connector 1 and the base 2 by attaching and detaching the pressing lid 3. In addition, the optical fiber connector 1 includes a base 2 and a presser lid 3.
When the and 2 are separated from each other, the engaging projection 6 and the engaging groove 7 are engaged with each other at an engaging position other than when the base 2 and the pressing lid 3 are integrated, so that the base 2 and the pressing lid 3 are separated from each other. It can be easily integrated.

As shown in FIGS. 1 and 2, the optical fiber connector disassembling tool 9 includes a pair of support blocks 11 and 12 which are closely spaced while being guided by a shaft 10 as guide means arranged in parallel with each other. , The side surface 1 facing the other side of each of the support blocks 11 and 12
It is provided with an engaging claw 15 which is provided so as to project from Nos. 3 and 14 and which is inserted into an insertion hole 8 opened on the side surface of the optical fiber connector 1 arranged between the two and is engaged with the pressing lid 3. Between the pair of support blocks 11 is provided a moving space 16 for the base 2 which is moved in a direction in which the pressing lid 3 supported by the engaging claws 15 is disengaged. In addition, the shaft 10
Also serves as a holding member holding member that supports the base 2 at a target position when the optical fiber connector 1 is disassembled.

Each shaft 10 has a shaft insertion hole 17 formed in one support block 11 fixed at a fixed position.
Is movably inserted in the longitudinal direction. Each shaft 1
0 is a movement space 16 of the shaft 10 having a longitudinal dimension that is longer than the axial dimension of the shaft insertion hole 17.
The other end of the support block 12 is attached to the tip 18 protruding toward the side.
Has been fixed. The other support block 12 is detachably attached to the tip 18 of the shaft 10 by a fixing screw 19. One of the support blocks 1 is attached to the base end 20 of the shaft 10 which is projected to the opposite side of the moving space 16.
A lever 21 for moving the other support block 12 toward and away from the one is attached. The lever 21
The fixing screw 22 allows it to be attached to and detached from the base end 20 of the shaft 10.

Between the pair of two shafts 10, as shown in FIGS. 3 and 4, there is arranged a spring 23 for exerting a biasing force for bringing one support block 11 closer to the other support block 12. Has been done. Both ends of the spring 23 are connected to the support blocks 11 and 12.

The engaging claw 15 is a protruding portion formed on a claw support plate 25 detachably attached to each of the support blocks 11 and 12 with a screw 24. Each claw support plate 25,
They are arranged on the same plane. The engaging claws 15 are provided so as to project from the end surface of each claw support plate 25 facing the moving space 16, and a plurality of sets facing each other via the moving space 16 are formed.

The operation and effect of the present invention will be described below. The optical fiber connector disassembling tool 9 of the present embodiment is designed to sandwich the optical fiber connector 1 between the support blocks 11 and 12 to perform disassembling work. In order to sandwich the optical fiber connector 1 between the support blocks 11 and 12, the other support block 12 is constantly urged toward the one support block 11 by the urging force of the spring 23, so that the lever 21 is moved to the other side. Push it toward the support block 12 of
Moving space 1 by separating both support blocks 11 and 12 from each other
The optical fiber connector 1 is inserted into 6 with the base 2 facing downward. Then, the pressing force of the lever 21 is released, and the engaging claw 15 is inserted into the insertion hole 8 of the optical fiber connector 1. By doing so, the optical fiber connector 1 is supported at a fixed position by the engaging claw 15. At this time, a clearance is secured between the base 2 and the shaft 10 so that the base 2 separated from the pressing lid 3 can move.

When the clamping of the optical fiber connector 1 is completed,
By pressing both ends of the base 2 in the longitudinal direction downward,
The base 2 is separated from the pressing lid 3. At this time, since the moved base 2 is supported by coming into contact with the shaft 10, the support blocks 11, 1 of the claw support plate 25 are previously supported.
By adjusting the attachment position for the base 2, the base 2 can be supported at a position where the engagement protrusion 6 engages with the desired engagement groove 7.

If the distance between the base 2 and the pressing lid 3 is set to a distance that allows a weak clamping force to be applied to the optical fiber 4, the optical fiber 4 can be inserted and removed between the base 2 and the pressing lid 3. In addition, the optical fiber 4 inserted between the base 2 and the pressing lid 3 can be temporarily fixed. Therefore, for example, when the base 2 and the presser lid 3 are separated from each other, only one of the optical fibers 4 which are butted and connected is pulled out from the optical fiber connector 1, and another optical fiber 4 left in the optical fiber connector 1 is separated. When the optical fibers 4 are butt-connected to each other, the optical fibers 4 left in the optical fiber connector 1 can be stably supported without deviation from a predetermined centering position, so that the connection of the optical fibers 4 is switched. Workability is improved. Further, when the positioning centering mechanism for the optical fiber 4 in the optical fiber connector 1 is the positioning groove formed in the base 2 or the holding lid 3, the optical fiber 4 inserted in the optical fiber connector 1 is pressed into the positioning groove. The optical fiber connector 1 is inserted into the inside of the optical fiber connector 1 and is easily aligned. The claw support plate 25 can easily adjust the mounting position with respect to the support blocks 11 and 12 by a method such as interposing a plate material (not shown) for adjusting the mounting position between the support blocks 11 and 12. You can

When the separation of the base 2 from the pressing lid 3 is completed, the lever 21 is pressed to separate the support blocks 11 and 12 from each other, whereby the optical fiber connector 1 can be easily taken out. Since the optical fiber connector disassembling tool 9 can secure a wide adjustment amount of the separation distance between the support blocks 11 and 12, and also easily adjusts the attachment position of the claw support plate 25 to the support blocks 11 and 12,
It can be applied to various optical fiber connectors.

Therefore, according to the optical fiber connector disassembling tool 9 of the present embodiment, the optical fiber connector 1 is simply pressed by pressing the base 2 against the pressing lid 3 held by the engaging claw 15 to separate the base 2. Can be easily disassembled, and disassembly workability is greatly improved. According to the optical fiber connector disassembly tool 9,
To easily and accurately set the separation distance between the base 2 and the pressing lid 3 at a position where the engaging projection 6 and the engaging groove 7 are engaged with each other in a combination other than when the base 2 and the pressing lid 3 are integrated. Therefore, the positioning property of the optical fiber 4 between the base 2 and the pressing lid 3 can be secured. In addition, since the optical fiber 4 can be inserted / removed between the base 2 and the pressing lid 3 without completely separating the engaging projection 6 and the engaging groove 7, it is easy to re-hold the optical fiber 4 after the work is completed. And it can be done accurately.

Although the shaft 10 is used as the holding member holding member in the above-mentioned embodiment, it may be a support base or the like. In this case, the base 2 separated from the pressing lid 3
It is possible to adjust the support position of the device by a support base.

[0021]

As described above, according to the optical fiber connector disassembling tool of the first aspect, a pair of holding members for holding the optical fibers so that they can be butt-connected to each other, and when these holding members are integrated with each other. An optical fiber connector disassembling tool for disassembling an optical fiber connector having a pair of engaging and disengaging engagement means for engaging and retaining the sandwiching member in an integrated state, which is approached while being guided by guide means. A pair of support blocks that are separated from each other and an insertion hole formed between the holding members of the optical fiber connector that is provided so as to project toward the side surface of each support block that faces the opposite side of each support block. An engaging claw that is inserted to engage one of the sandwiching members is provided, and is moved between the pair of support blocks in a direction in which the sandwiching member supported by the engaging claw is separated from the sandwiching member. The other clamping member Since the optical fiber connector can be easily disassembled by providing a moving space and pressing the other clamping member to separate it from the one clamping member locked by the engaging claw, the optical fiber connector can be disassembled. Workability is improved.

The optical fiber connector disassembling tool according to a second aspect of the invention is the optical fiber connector disassembling tool according to the first aspect, in which the engaging means holds the sandwiching members forming a pair close to each other. It is a pair of multi-stage engaging portions that form engagement positions in multiple stages according to the distance between them, and any one of the engagements formed by the multi-stage engaging portions except when the holding member is integrated in the moving space. By installing the sandwiching member holding means for holding the other sandwiching member at the mating position, the pair of sandwiching members is held at a separation distance that allows the insertion and removal of the optical fiber without completely separating the multistage engaging portion. Therefore, the positioning property of the optical fiber in the optical fiber connector of the optical fiber and the workability of the re-pinching are improved.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of an optical fiber connector disassembling tool of the present invention.

FIG. 2 is a side view showing an embodiment of an optical fiber connector disassembling tool of the present invention.

FIG. 3 is a view showing an embodiment of an optical fiber connector disassembling tool of the present invention and is a cross-sectional view taken along the line AA in FIG.

FIG. 4 is a view showing an embodiment of an optical fiber connector disassembling tool of the present invention and is a cross-sectional view taken along line BB in FIG.

FIG. 5 is an overall perspective view showing an optical fiber connector.

6 is a cross-sectional view showing the optical fiber connector of FIG. 5, an engagement groove, and an engagement protrusion.

[Explanation of symbols]

1 ... Optical fiber connector, 2 ... Base, 3 ... Holding lid, 4 ...
Optical fiber, 6 ... Engaging means, multi-stage engaging means (engaging protrusion), 7 ... Engaging means, multi-stage engaging means (engaging groove), 8 ... Inserting hole, 9 ... Optical fiber connector disassembly tool, 10 ... Guide means, clamping member holding means (shaft), 11 ... Support block, 12 ... Support block, 13 ... Side surface, 14 ... Side surface, 1
5 ... Engaging claws, 16 ... Moving space.

Claims (2)

[Claims] 1. A pair of sandwiching members (2, 3) for sandwiching an optical fiber (4) so that they can be butted and connected to each other, and when these sandwiching members are integrated, they are engaged with each other to maintain the integrated state of the sandwiching members. An optical fiber connector disassembly tool (9) for disassembling an optical fiber connector (1) comprising a pair of engagement / disengagement means (6, 7), which is guided by a guide means (10). A pair of support blocks (11, 12) that are close to and away from each other, and side faces (1
(3), (14) projecting toward (3, 14), and insertion holes (8) formed between the sandwiching members of the optical fiber connector arranged between them.
Engaging claw (15) inserted into the other and engaging with one clamping member
And a moving space (16) for moving the other holding member, which is moved in a direction to separate from the one holding member supported by the engaging claw, is provided between the pair of support blocks. Disassembly tool for optical fiber connector. 2. The optical fiber connector disassembling tool according to claim 1, wherein the engaging means sets the engaging position in accordance with the distance between the sandwiching members when the sandwiching members forming the pair are brought close to and away from each other. It is a pair of multi-stage engaging parts (6, 7) formed in multiple stages, and the other holding pin is held at one of the engaging positions formed by the multi-step engaging part other than when the holding members are integrated in the moving space. An optical fiber connector disassembling tool, wherein a holding member holding means (10) for holding a member is installed.