JPH07281056A - Mounting-demounting tool for optical connector - Google Patents

Abstract

PURPOSE:To improve handling by enabling mounting-demounting operation without largely pushing away the other cord in the case of mounting and demounting an optical connector plug highly densely housed in plural continuous optical connector adapters. CONSTITUTION:A housing 5 is arranged in a front part of a main body 3, and a grip 7 is arranged in a rear part of the main body 3, and the housing 5 is composed of a plug locking part 9 and a housing part 11, and the lengthwise direction of the plug locking part 9 and the lengthwise direction of the housing part 11 are formed integrally in parallel to each other, and a guide member 21 to be inserted in guide grooves formed in optical connector adapters is arranged in a tip part of the plug locking part 9, and a slider 15 is arranged in the plug locking part 9 and the housing part 11, and an openable-closable locking claw 25 is arranged in a tip part of this slider 15, and an opening-closing plate having a locking claw opening-closing Jug is arranged on the slider 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical connector attaching / detaching tool for facilitating an attaching / detaching operation of attaching / detaching an optical connector plug to / from an optical connector housing of an optical connector.

[0002]

2. Description of the Related Art Conventionally, a push-pull lock type optical connector has been used as an optical connector which has a lock mechanism, and which is capable of securely mating / unmating an optical connector element only by inserting / removing the connector. SC optical connector) is known. This optical connector comprises, for example, the optical connector plug 101 shown in FIGS. 4 and 5 and the optical connector adapter 103 shown in FIG.

Optical connector plug 10 shown in FIGS. 4 and 5.
Since 1 is already known, the housing 107 holding the ferrule 105 and the knob 1 will be roughly described.
The housing 107 is slidable in the axial direction of the ferrule 105 inside the knob 109. A recess 111 is provided in the housing 107, and a protrusion 113 is provided on the upper and lower sides of the knob 109.
Is provided.

Further, the optical connector adapter 1 shown in FIG.
An engaging piece 117 having an engaging claw 115 is provided inside 03, and a sleeve holder 119 is provided.

When the optical connector plug 101 is inserted into the optical connector adapter 103 as shown by the arrow in FIG. 7, the locking surface 117A of the locking piece 117 slides along the slope 113A of the projection 113 of the knob 109. Since the locking surface 117A is displaced downward, the locking piece 117 is opened. Further, when the optical connector plug 101 is inserted as shown by an arrow in FIG. 8, the locking surface 117A of the locking piece 117 goes down the slope 113 of the protrusion 113, and the locking piece 117 returns to the initial position to lock. The locking claw 115 of the piece 117 enters the recess 111 of the housing 107 and is locked.

When the knob 109 is pulled backward when the optical connector plug 101 is pulled out from the optical connector adapter 103, the slope 113B of the protrusion 113 slides along the locking surface 117A of the locking piece 117. Locking surface 117A
Is displaced downward, so that the locking piece 117 is opened. Further, by pulling out the tab 109 rearward, the locking claw 115 is disengaged from the recess 111 of the housing 107 and the lock is released.

As an example of enabling high-density mounting, for example, the optical connector plug 101 shown in FIG. 4 is inserted into each connection hole 123 formed at one end of the 8-strip type optical connector adapter 121 shown in FIG. It may be connected to make a multi-core type connection. The inside of each connection hole 123 has the same structure as the optical connector adapter 103 shown in FIG.

This 8-series optical connector adapter 121
When the optical connector plug 101 is connected to each of the connection holes 123 in FIG.
When inserting into and removing from each connection hole 123,
For example, an attaching / detaching tool 125 for an optical connector as shown in FIGS. 10 and 11 is conventionally used.

In order to use the attachment / detachment tool 125 for the optical connector, the knob 109 of the optical connector plug 101 is used.
4, a locking hole 109H is formed as shown in FIG. 4, and the optical connector adapter 121 has guide grooves 121G for guiding the optical connector plugs 101 as shown in FIG. They are formed in pairs.

The optical connector attaching / detaching tool 125 is shown in FIG.
0 and FIG. 11, a hollow cylindrical main body 127 extending in the longitudinal direction is provided, and a U-shaped housing 129 extending in the longitudinal direction is attached to the front portion of the main body 127 and the rear portion of the main body 127. Grip 13
It is inserted into the hole 133 formed in the inside 1.

A rear end of a shaft 135 extending in the longitudinal direction is integrated with a front end portion 131A of the grip 131 protruding to the rear of the main body 3, and the front end of the shaft 135 is inside the housing 129. Is removably screwed to a support block 139 integrated with the rear part of a slidable slider 137 provided on the left and right sides of the.

A spring 141 is interposed in the main body 127, and the urging force of the spring 141 urges the grip 131 rearward (rightward in FIG. 10). The tip portion of the housing 129 is a plug locking portion 143, and a plurality of guide pins 145 are attached to the tip of the plug locking portion 143 with a plurality of screws 147.

The tip of each slider 137 is shown in FIG.
As is best shown in FIG.
Is pivotally supported so that it can be opened and closed (swingable). A locking claw opening / closing knob 155 is provided on the support block 139 so as to be slidable in the front-rear direction and the support block 139.
The rear ends of the opening / closing plates 157A and 157B for opening and closing the locking claws 153 are integrated with the front end of the.
The slider 137 is provided with a projection 159, and the locking claw opening / closing knob 155 has a locking piece 161 at the tip thereof.
Is installed.

A pressing claw 16 is provided on the upper surface of the locking portion 143.
3 is attached with screws 165, and a cover 167 is attached with screws 169 on the upper surface of the housing 129.

With the above structure, when inserting the connector plug 101 into each connection hole 123 of the optical connector adapter 121, the grip 13 of the optical connector attaching / detaching tool 125 is inserted.
When the operator holds 1 and the locking claw opening / closing knob 155 is aligned with the insertion position (the position where the locking piece 161 is pushed up by the protrusion 159) as shown by the arrow in FIG. 11, FIG. Opening / closing plate 157 as shown in
The inclined surface 157C, which is the tip of the locking claw 153, is disengaged from the locking claw 153 and the locking claw 153 is opened.

The optical connector plug 101 is shown in FIG.
Optical connector plug 10
The knob 109 in FIG.
Set in 7A. In this state, the operator holds the grip 131 and inserts the guide pin 145 into the guide groove 121G of the optical connector adapter 121. When the grip 131 is further pushed in this state, the slider 137 is pushed forward via the shaft 135 and the support block 139 against the biasing force of the spring 141, and the optical connector plug 101 is engaged with the optical connector adapter 121. After the optical connector plug 101 is engaged with the optical connector adapter 121, the grip 131 is pulled out to remove the optical connector attaching / detaching tool 125.

When the optical connector plug 101 is to be removed from the optical connector adapter 121, the grip 131 is held in the hand and the locking claw opening / closing knob 155 is at the removal position shown in FIG. 11 (when the locking piece 161 is in the state shown in FIG. 11). 13A, the inclined surface 157C, which is the tip of the opening / closing plate 157, is engaged with the locking claw 153, as shown in FIG.
The locking claw 153 is closed by pushing the rear end portion.

Grasping the grip 131, the guide pin 145
Guide groove 121G in the optical connector adapter 121
Plug in. When the grip 131 is pushed further in this state, the shaft 135, against the biasing force of the spring 141,
After the slider 137 is pushed forward through the support block 139 and the locking claw 153 is caught in the locking hole 101H of the optical connector plug 101, when the grip 131 is pulled toward the front, the optical connector plug 101 is pulled.
Get out of. Then, when the locking opening / closing knob 155 is aligned with the insertion position, the locking hole 101 of the optical connector plug 101 is formed.
The locking claw 153 comes off from H.

[0019]

The conventional optical connector attaching / detaching tool 125 described above has a linear structure as shown in FIGS. 10 and 11, and therefore is shown in FIG. When attaching / detaching, for example, each of the third to fifth optical connector plugs 101 connected to the eight-type optical connector adapter 121 as described above, the cord above the connector plug 101 must be pushed largely. Detachable tool for optical connector 12
Handling 5 was very difficult.

An object of the present invention is to improve the handling by attaching / detaching optical connector plugs densely housed in a plurality of optical connector adapters without pushing other cords largely. Another object is to provide a detachable tool for an optical connector.

[0021]

In order to achieve the above object, an optical connector attaching / detaching tool of the present invention is an optical connector used when detachably attaching / detaching each optical connector plug to / from a plurality of optical connector adapters. A detachable tool for
A housing is provided in the front part of the main body and a grip is provided in the rear part of the main body, and the housing is composed of a plug locking part and a housing part, and the longitudinal axis of the plug locking part is different from the longitudinal center of the housing part. A guide member to be inserted into a guide groove formed in the optical connector adapter at the tip of the plug locking portion, and a slider movable in the longitudinal direction in the plug locking portion and the housing portion. An opening / closing plate having a locking claw opening / closing knob for opening / closing the locking claw formed at the optical connector plug at the tip end of the slider and capable of being engaged / disengaged with the locking hole. Is provided on the slider.

[0022]

[Operation] With the optical connector attaching / detaching tool as described above, the locking claw opening / closing knob is operated to open the locking claw, insert the optical connector plug, and hook the locking claw in the locking hole of the optical connector plug. After that, insert the guide member into the guide groove of the optical connector adapter. The optical connector plug is then engaged with the optical connector adapter by gripping and pushing the grip. By pulling the grip backward, the locking claw of the optical connector attaching / detaching tool is disengaged from the locking hole of the optical connector plug.

When the optical connector plug is removed from the optical connector adapter, the locking claw opening / closing knob is operated to close the locking claw. When the grip is gripped and the guide member is inserted into the guide groove of the optical connector adapter and the grip is pushed in this state, the locking claw is caught in the locking hole of the optical connector plug. Then, pulling the grip backward releases the optical connector plug from the optical connector adapter. When the locking claw opening / closing knob is operated to open the locking claw, the optical connector plug is disengaged from the locking claw of the detachable tool.

As described above, since the longitudinal axis of the plug locking portion of the housing and the axial center of the longitudinal direction of the housing portion are different from each other and integrated, the shaft of the plug locking portion is displaced from the shaft of the housing portion. Therefore, when the optical connector plug is engaged with and disengaged from, for example, the central portion of the multi-connector type optical connector adapter, only the plug engaging portion goes into the cord bundle. Therefore, the housing portion is free, and the cord can be operated without pushing the other cords largely, so that handling of the detachable tool can be improved.

[0025]

Embodiments of the present invention will be described in detail below with reference to the drawings.

With reference to FIG. 1, an optical connector attaching / detaching tool 1 is provided with a hollow cylindrical main body 3 extending in the longitudinal direction, and a front portion (left portion in FIG. 1) of the main body 3 has a longitudinal portion. A U-shaped housing 5 extending in the direction is attached, and a grip 7 is provided at the rear part (right part in FIG. 1) of the main body 3. More specifically, the rear end portion 3B of the main body 3 is inserted into an insertion hole 7H formed in the grip 7.

The housing 5 is composed of a plug locking portion 9 and a housing portion 11. The plug locking portion 9 is arranged so that the longitudinal direction of the plug locking portion 9 and the longitudinal direction of the housing 11 are parallel to each other. The rear end portion and the front end portion of the housing portion 11 are bent and integrated. The amount by which the axial center of the plug locking portion 9 and the axial center of the housing portion 11 are displaced differs depending on the pitch at which the optical connector adapter 121 is mounted.

A shaft 1 extending in the longitudinal direction is provided at a tip portion 7A of the grip 7 projecting to the rear of the main body 3.
3 has an integrated rear end, and the end of the shaft 13 is detachably screwed to a support block 17 integrated with the rear part of the slidable slider 15 provided in the housing 5. There is.

A spring 19 is interposed in the main body 3, and the grip 7 is biased rearward (to the right in FIG. 1) by the biasing force of the spring 19. A plurality of guide pins 21 as guide members are attached to the tip of the plug locking portion 9 with screws.

As shown in FIGS. 1 and 3, the slider 15 includes a slider main body 15A and a two-blade shape extending forward from the slider main body 15A (to the left in FIG. 3). Slider plates 15B, 15C
It is composed of. Each slider plate 15B, 1
A locking claw 25 is pivotally supported by a pin 23 so as to be openable and closable (swingable) at the tip of 5C.

As shown in FIG. 2, a locking claw opening / closing knob 27 is provided on the support block 17 so as to be slidable in the front-back direction (left-right direction in FIG. 2).
The rear ends of the opening / closing plates 29A and 29B for opening and closing the locking claws 25 are integrated with the tip of the support block 17. The slider body 1 of the slider 15
As shown in FIG. 3, a projection 31 is provided on the 5A, and a locking piece 33 is attached to the tip of the locking claw opening / closing knob 27.

With the above structure, when the optical connector plug 101 shown in FIG. 4 is to be inserted into each connection hole 123 of the optical connector adapter 121 shown in FIGS. 9 and 12, a detachable tool for optical connector is used. When the operator holds the grip 7 of No. 1 and the locking claw opening / closing knob 27 is set to the insertion position (the position where the locking piece 33 is pushed up by the protrusion 31) as shown by the arrow in FIG. As shown in FIG. 4, the inclined surface 29C, which is the tip of the opening / closing plates 29A and 29B, is disengaged from the locking claw 25 and the locking claw 25 is opened.

The optical connector plug 101 is inserted from the left side to the right side in FIG. 1, and the knob of the optical connector plug 101 is attached to the slider plate 15B of the slider 15.
Set it by inserting it into the tip portion 15D of 15C.

In this state, the operator grips the grip 7 and inserts the guide pin 21 into the guide groove 121G of the optical connector adapter 121. Grip 7 in this state
When is further pushed, the slider 15 is pushed forward through the shaft 13 and the support block 17 against the urging force of the spring 19, and the optical connector plug 101 is engaged with the optical connector adapter 121. Optical connector plug 101
After being engaged with the optical connector adapter 121, the optical connector attaching / detaching tool 1 is removed by pulling the grip 7 toward you.

When the optical connector plug 101 is to be removed from the optical connector adapter 121, the grip 7 is held in the hand and the locking claw opening / closing knob 27 is shown in FIG. When the piece 33 is aligned with the position where the piece 33 is disengaged from the protrusion 33, the inclined surface 29C, which is the tip of the opening / closing plates 29A and 29B, pushes the rear end of the locking claw 25 to close the locking claw 25.

Grasp the grip 7 and insert the guide pin 21 into the guide groove 121G of the optical connector adapter.
When the grip 7 is pushed further in this state, the spring 19
After the slider 15 is pushed forward through the shaft 13 and the support block 17 against the biasing force of the lock hook 25 so that the locking claw 25 is caught by the locking claw 101H of the optical connector plug 101, the grip 7 is pulled forward. The optical connector plug 101 is removed from the optical connector adapter 121. Then, when the locking claw open / close knob 27 is aligned with the insertion position, the optical connector plug 1
The locking claw 25 comes off from the locking hole 101H of No. 01.

Thus, the locking plastic portion 9 of the housing 5
Since the housing 11 and the housing portion 11 are integrated in parallel to each other, the axis of the plug locking portion 9 is offset from the axis of the housing portion 11. When the optical connector plug 101 is engaged with and disengaged from the portion, the cord can be operated without pushing away other cords, so that handling of the detachable tool can be improved.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes. In the present embodiment, the means for making the longitudinal axis of the plug locking portion of the housing different from the axial center of the housing portion in the longitudinal direction have been described as an example in which they are parallel to each other. The longitudinal direction of the parts may be made tolerant, or they may be parallel and have an angle.

[0039]

As will be understood from the above description of the embodiments, according to the present invention, the plug locking portion of the housing is integrated by making the longitudinal center and the longitudinal axis of the housing portion different from each other. Therefore, by displacing the axis of the plug locking portion from the axis of the housing, other cords can be used especially when the optical connector plug is engaged with and disengaged from, for example, the central portion of a multi-type optical connector adapter. Since it can be operated without pushing it far away, handling of the detachable tool can be improved.

[Brief description of drawings]

FIG. 1 is a plan view of an optical connector attaching / detaching tool according to an embodiment of the present invention.

FIG. 2 is a perspective view of an opening / closing plate portion provided on the slider in FIG.

FIG. 3 is a perspective view of a slider portion in FIG.

FIG. 4 is a perspective view showing an example of an optical connector plug.

5 is a perspective view showing only a tip portion of the optical connector plug in FIG.

FIG. 6 is a side sectional view showing an example of an optical connector adapter.

FIG. 7 is a diagram for explaining the operation of engaging and disengaging the optical connector plug with the optical connector adapter.

FIG. 8 is an explanatory view of the action of engaging and disengaging the optical connector plug with the optical connector adapter.

FIG. 9 is a perspective view showing an example of a multiple-connector type optical connector adapter.

FIG. 10 is a front view showing an example of a conventional optical connector attaching / detaching tool.

11 is an enlarged perspective view of the optical connector attaching / detaching tool in FIG.

FIG. 12 is a plan view in which an optical connector plug is connected to the multiple connector type optical connector adapter in FIG.

FIG. 13 is an explanatory diagram illustrating an opening / closing operation of a locking claw.

[Explanation of symbols]

 1 Optical Connector Detachable Tool 3 Main Body 5 Housing 7 Grip 9 Plug Locking Part 11 Housing Part 15 Slider 21 Guide Pin (Guide Member) 25 Locking Claw 27 Locking Claw Opening / Closing Knob 29A, 29B Opening Plate 31 Protrusion 33 Locking One piece 101 Optical connector plug 101H Locking hole 121 Multiple optical connector adapter 121G Guide groove

Claims (1)

[Claims] 1. An optical connector attachment / detachment tool used when detachably engaging and disengaging optical connector plugs from a plurality of serial type optical connector adapters, wherein a housing is provided at a front portion of the main body and a grip is provided at a rear portion of the main body. And the housing is composed of a plug locking portion and a housing portion, and the longitudinal axis of the plug locking portion and the longitudinal direction of the housing portion are different from each other so as to be integrated, and the tip of the plug locking portion is formed. A guide member to be inserted into a guide groove formed in the optical connector adapter, a slider movable in the longitudinal direction in the plug locking portion and the housing portion, and the optical connector plug formed at the tip of the slider. An opening / closing plate equipped with a locking claw opening / closing knob that opens / closes the locking claw is provided to open / close the locking claw so that the locking claw can be engaged / disengaged. A detachable tool for an optical connector, which is provided on the slider.