JP3466159B2 - Connector removal tool and its auxiliary tool - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a connector attaching / detaching tool used when attaching / detaching a connector (connection plug) from which an optical fiber cord is drawn to / from an adapter (connection adapter).

[0002]

2. Description of the Related Art Conventionally, as a connector attaching / detaching tool, for example, one shown in FIG. 7 has been known.

This conventional connector attaching / detaching tool has a plurality of connectors C connected in parallel to an adapter A from which a cord L of an optical fiber is drawn out (SC2 for optical fiber in this industry).
It is used to attach and detach the connector).

A conventional connector attaching / detaching tool has a guide piece 5 for inserting an optical fiber cord L, a grip bar-shaped grip portion 1 provided on the base side of the guide piece, and a tip end side of the guide piece 5. An L-shaped claw 2 inserted into the connector C of the optical fiber, an operation lever 4 extending from the claw 2 and projecting to both sides of the handle portion 1 through a fulcrum 3 to open and close the claw 2, and an operation lever. 4 is provided with a spring member 9 for urging so as to normally project outward. The guide piece 5 has a semi-cylindrical shape with a tip 5a shaped like a claw for guiding the connector C and the cord L and a main body 5b having an open top.

According to this conventional connector attaching / detaching tool, when the connector C is pulled out from the adapter A, the cord L is set along the guide piece 5 on the handle portion 1 and the spring member 9 is compressed to operate the operating lever. Claw 2 is pushed by pushing 4 toward the handle 1 side.
Open (because the movement direction is reversed by the fulcrum 3), the entire connector attachment / detachment tool is moved forward to face the claw 2 with the groove of the connector C, and then the operation lever 4 is opened to close the claw 2 with the groove of the connector C. Plug it into And the handle part 1
The connector C can be pulled out from the adapter A by grasping and pulling it toward you.

[0006]

In the above-mentioned conventional connector attaching / detaching tool, the operating lever 4 is pushed toward the handle portion 1 side, the claw 2 is inserted into the groove of the connector C, and the operating lever 4 is opened. Hold and pull toward you. At this time, the cords other than the cord L to be pulled out are attached to the operation lever 4 and the grip portion 1.
There is a problem that the grip portion 1 is pulled while being sandwiched in the gap E, and the cord is damaged in the gap E between the operation lever 4 and the grip portion 1.

That is, as shown in FIG. 7, the cord L of the connector C1 which is currently being pulled out is arranged along the top of the handle portion 1, but the cord G of the connector C3 which is not currently pulled out is indicated by a two-dot chain line. As in the state of the code D shown, it may be caught in the gap E between the operation lever 4 and the handle 1. Then, since the connector C3 is fitted in the adapter A, pulling the handle portion 1 causes the connector portion C3 to be caught in the gap E between the operation lever 4 and the handle portion 1 and damage the cord.

Further, when the operation lever 4 is pushed into the handle portion 1 side, as shown in the state B of FIG. 6, even if the cord L is placed along the handle portion, it is laterally moved like the state B. In some cases, the cord L that has entered the gap E between the handle portion 1 and the operating lever 4 may be pinched by the operating lever 4 and damaged.

Although FIG. 7 and FIG. 6 show the state in which there are four connectors, the number is actually larger in many cases, and it is necessary to select a large number of cords L and attach / detach the intended connector. It was necessary to always pay attention to the pinching of the cord L, which was a factor of lowering work efficiency.

The present invention has been made in consideration of the above problems, and it is attached to a connector attaching / detaching tool, and a cord is sandwiched between the cord and a handle portion when the operating lever is operated, and the cord is damaged. (EN) An auxiliary tool for a connector attaching / detaching tool capable of preventing the above-mentioned problem, and a connector attaching / detaching tool capable of preventing a cord from being damaged by inserting a cord between the handle and the handle when operating the operating lever. The challenge is to provide.

[0011]

In order to solve the above-mentioned problems, the connector attaching / detaching tool according to the present invention employs the following means.

That is, as described in claim 1, a guide piece through which the optical fiber is inserted, a handle portion provided on the base side of the guide piece, and an optical fiber connector provided on the distal end side of the guide piece are inserted. Claw, and an operating lever provided through a gap that allows the claw to be opened and closed from the side of the handle portion,
The handle is connected to the operation lever, and the light is transmitted to the gap .
Prevents the entry of fiber cords and operates
And a cover member that expands and contracts following the operation of the lever .

In this means, the cover member prevents the cord from entering between the grip portion of the cord of the connector attaching / detaching tool and the operation lever.

Also, with this means, it is possible to operate the operating lever.
The cover member follows and expands and contracts .

Further, in order to solve the above-mentioned problems, the auxiliary tool of the connector attaching / detaching tool according to the present invention adopts the following means.

That is, in the auxiliary tool according to the third aspect, a guide piece for inserting the optical fiber, a grip portion provided on the base side of the guide piece, and an optical fiber connector provided on the tip side of the guide piece are inserted. a pawl that is, attached to the connector detachable tool having an operating lever provided via an on-off operation can be gaps nail from the side of the handle portion a shall,
The handle mounting portion fitted to the handle portion, and the operation lever
The operation lever mounting part that is fitted to the
Connect the operation lever mounting part to the gap and connect the optical fiber
Consists of a cover member that prevents the cord from entering
It is characterized by being

With this means, the auxiliary tool prevents the cord from entering the gap between the handle portion and the operating lever.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a connector attaching / detaching tool and its auxiliary tool according to the present invention will be described below with reference to FIGS.

1 to 3 show an embodiment (1) of a connector attaching / detaching tool and an auxiliary tool for the same according to the present invention. FIG. 1 is a perspective view, FIG. 2 is a plan view, and FIG. 2 is a left side view of FIG.

This embodiment is composed of a main body X and an auxiliary tool Y. The embodiment relating to the connector attaching / detaching tool according to the present invention comprises both the main body portion X and the auxiliary tool Y, and the embodiment relating to the auxiliary tool of the connector attaching / detaching tool,
It is composed of an auxiliary tool Y. In the embodiment relating to the connector attaching / detaching tool, the main body X and the auxiliary tool Y can be separated and integrated.

The main body X of this embodiment has the same structure as the above-mentioned conventional example.

The auxiliary tool Y is composed of a handle mounting portion 6 formed of an elastic member such as rubber, an operating lever mounting portion 7, and a cover member 8.

The handle mounting portion 6 is formed of a box-shaped cap so that the handle mounting portion 6 can be fitted and attached from the rear end side of the handle portion 1 of the main body X. About this handle mounting part 6,
It is preferable that the handle portion 1 is press-fitted so as not to be easily separated from the handle portion 1.

The operation lever mounting portion 7 is formed of a thin box-shaped cap fitted and attached from the rear end side of the operation lever 4 of the main body X. This operation lever mounting part 7
With respect to the above, it is preferable that the operation lever 4 is press-fitted so as not to be easily separated from the operation lever 4.

The cover member 8 is formed in a band shape connecting the handle mounting portion 6 and the operating lever mounting portion 7. The cover member 8 is provided with elasticity in order to maintain the operability of the operation lever 4 in correspondence with the handle portion 1, the handle attachment portion 6 press-fitted to the operation lever 4, and the operation lever attachment portion 7. Is preferred.

According to this embodiment, since the auxiliary tool Y is fitted and attached to the main body X, the auxiliary tool Y can be easily attached, and the claws 2, the guide pieces 5, etc. are precisely configured. Without damaging the tip side of the main body X,
An auxiliary tool Y can be attached.

When the auxiliary tool Y is attached to the main body X,
As shown in FIG. 8, since the cord L is sufficiently long, the cover member 8 connected to the handle mounting portion 6 of the auxiliary tool Y and the operating lever mounting portion 7 is located between the handle portion 1 of the main body X and the operating lever 4. Will be blocked (since the cord L is sufficiently longer than the longitudinal dimension of the tool, it will not enter through the gap E in the upper part).

Therefore, the cord L placed on the handle portion 1 or the cord L drawn from another adjacent connector C.
Does not enter the gap E between the handle portion 1 of the main body portion X and the operating lever 4, so that the handle portion 1 can be operated when the operating lever 4 is operated.
There is no possibility of damaging the cord L by sandwiching it with the cord L.

When the operation lever 4 of the main body X is operated, as shown in FIG. 2, the cover member 8 of the auxiliary tool Y follows the operation of the operation lever 4 and expands and contracts. The operability of is maintained.

FIG. 4 shows an embodiment (2) of the connector attaching / detaching tool and its auxiliary tool according to the present invention.
Illustrations of the claws 2, the guide pieces 5, etc. are omitted.

In this embodiment, the operation lever mounting portion 7 of the auxiliary tool Y is made of an elastic material such as rubber and formed in a plate shape extending in the front-rear direction, and the operation lever 4 is press-fitted on the tip end side. A groove 7'is provided. Cover member 8 of auxiliary tool Y
Is connected to the rear end portion side of the plate-shaped operation lever mounting portion 7 around the rear end portion side of the grip portion 1 of the main body portion X by a hard synthetic resin material or the like. The handle mounting portion 6 of the auxiliary tool Y is attached so as to press the cover member 8 into the handle portion 1.

According to this embodiment, the same operation and effect as those of the above-mentioned embodiment (1) can be obtained. In addition, when the operation lever 4 is operated, only the vicinity of the operation lever mounting portion 7 of the auxiliary tool Y is deformed to follow, so that an operable portion of the handle portion 1 (particularly, it can be grasped without touching the operation lever when pulling out the connector). Therefore, the operability of the operation lever 4 can be favorably maintained.

FIG. 5 shows an embodiment (3) of the connector attaching / detaching tool and its auxiliary tool according to the present invention.
Illustrations of the claws 2, the guide pieces 5, etc. are omitted.

In this embodiment, the auxiliary tool Y includes an operating lever mounting portion 7 which is fitted into the operating lever 4 and is mounted thereon.
A cover member 8 that comes into contact with the operation lever mounting portion 7 and a part 10 of the side surface of the handle portion 1 is integrally formed of an elastic material such as a rubber material.

According to this embodiment, substantially the same actions and effects as those of the above-mentioned embodiment (1) can be obtained. During operation of the operation lever 4 of the main body X, the cover member 8 of the auxiliary tool Y is deformed following the contact, and the contact state between the cover member 8 and the side surface of the handle 1 is maintained.

According to this embodiment, the auxiliary tool Y
The operability of the operating lever 4 is kept good because the operable portion of the handle portion 1 (especially the length of the handle portion that can be gripped without touching the operating lever when pulling out the connector) is not shortened by mounting can do.

The cover member of each embodiment is not limited to the above-mentioned shape. For example, even if the cover member completely covers the handle portion 1, the handle can be attached and detached without impairing the operation of attaching and detaching the connector. Any shape may be used as long as it can prevent the cord from entering between the section and the operation lever.

[0038]

As described above, the connector mounting according to the present invention is mounted.
The tool can be removed between the handle and the operating lever by the cover member.
The operation lever is operated because the cord is prevented from entering the
Do not insert a cord between it and the handle to damage it.
There is an effect that can be prevented.

Furthermore, the connector attaching / detaching tool according to the present invention is
Auxiliary tools can be attached to the connector attachment / detachment tool.
The cover member serves as the handle for the cord of the connector attachment / detachment tool.
To prevent the cord from entering between the operating levers,
When operating the lever, insert the cord between the handle and
It is effective in preventing damage.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment (1) of an auxiliary tool for a connector attaching / detaching tool and a connector attaching / detaching tool according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a left side view of FIG. 2.

FIG. 4 is a sectional view of essential parts showing an embodiment (2) of an auxiliary tool for a connector attaching / detaching tool and a connector attaching / detaching tool according to the present invention.

FIG. 5 is a sectional view of essential parts showing an embodiment (3) of an auxiliary tool for a connector attaching / detaching tool and a connector attaching / detaching tool according to the present invention.

FIG. 6 is a perspective view showing an operating state of a connector attaching / detaching tool according to a conventional example.

FIG. 7 is a perspective view showing an operating state of a connector attaching / detaching tool according to a conventional example.

FIG. 8 is a perspective view showing an operating state of the embodiment (1) of the connector attaching / detaching tool according to the present invention.

[Explanation of symbols]

1 Handle part 2 nails 4 Operation lever 6 Handle mounting part 7 Operation lever mounting part 8 cover members 9 Spring member X body Y auxiliary equipment

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shin Takahashi 2-3-9 Higashishimbashi, Minato-ku, Tokyo Todentsu Co., Ltd. (56) Reference JP-A-5-144539 (JP, A) JP-A-64 -66607 (JP, A) JP 2000-206370 (JP, A) JP 2000-19352 (JP, A) Actual Kaihei 5-21213 (JP, U) (58) Fields investigated (Int.Cl. ⁷⁾ , DB name) G02B 6/36

Claims (2)

(57) [Claims] 1. A guide piece through which an optical fiber is inserted, a grip portion provided on the base side of the guide piece, and a claw provided on the tip side of the guide piece and inserted into a connector of the optical fiber.
The handle lever and the operation lever, which are provided through a gap where the claw can be opened and closed from the side of the handle portion, and the handle portion and the operation lever.
Connect them to prevent the optical fiber cord from entering the gap .
A connector attaching / detaching tool including a cover member that blocks and expands and contracts in accordance with the operation of the operation lever . 2. A guide piece for inserting an optical fiber, a grip portion provided on the base side of the guide piece, and a claw provided on the tip side of the guide piece and inserted into a connector of the optical fiber.
A shall be attached to the connector detachable tool having an operating lever from the side of the grip portion is provided through the closing operable gap nails, and the handle mounting portion to be fitted to the handle portion, the operation The operation lever mounting portion fitted to the lever, the handle mounting portion, and the operation lever mounting portion are connected to each other.
A cover that prevents the optical fiber cord from entering the gap.
An auxiliary tool for a connector attachment / detachment tool, which is characterized by comprising a member .