JP3331406B2 - Lock spring attachment / detachment jig - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking spring attaching / detaching jig, and more particularly to a jig used for attaching / detaching a locking spring when a plug is fitted to an adapter in an optical connector, for example.

[0002]

2. Description of the Related Art Conventionally, for example, in a case of an optical connector, when a plug is fitted to an adapter, in order to stabilize optical characteristics by maintaining the axial alignment between the plug and the adapter,
A structure in which a locking spring is mounted between a plug and an adapter is used. In the prior art, as a jig used when attaching and detaching this kind of locking spring, FIG.
And those shown in FIG.

That is, FIG. 11 shows a locking spring clamping jig 8 for clamping the locking spring when attaching and detaching the locking spring, and FIG. 12 shows attachment and detachment of the locking spring. A locking spring opening jig 9 for opening the locking spring in the case is shown. For example, as shown in FIG. 13, the locking spring clamping jig 8 and the locking spring opening jig 9 are used to lock the optical plug connector 7 and the adapter 5 with the locking spring 3. Used to remove the locked locking spring 3. Here, when the locking spring 3 is removed, in FIG. 13, an operator manually moves the locking spring 3 with the locking spring opening jig 9 while the locking spring 3 is clamped by the locking spring jig 8. The spring 3 for locking is spread in the direction of.

[0004]

However, in the case of the above-mentioned conventional jig, when attaching and detaching the locking spring, the operator must manually spread the locking spring by using two jigs. And the work is complicated and difficult. Also, if the jig comes off during this spreading operation, the locking spring will return to the connector side due to spring elasticity.
For this reason, there has been a problem that the connector is damaged by an unexpected external force.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a locking spring attaching / detaching jig which can attach / detach a locking spring by a simple operation and can improve the workability of the attaching / detaching operation.

[0006]

According to the present invention, the connection object and the connector fitted to each other in the attachment / detachment direction which is one direction orthogonal to the fitting direction of the connector to the connection object are provided. A locking spring attaching / detaching jig for attaching / detaching a locking spring, wherein the locking spring is a spring main body having a clamp receiving portion, and the spring main body is connected to the spring main body, and the connection object is provided in the fitting direction. An object-side locking portion for locking an object, a connector-side locking portion for locking the connector in the fitting direction, and connecting the connector-side locking portion to the spring body and performing the fitting. A spring portion for urging the connector side locking portion so as to press the connector side locking portion against the connector in the direction, and a free end side end portion substantially connected to the connector side locking portion. Extends along the direction of attachment and detachment A jig main body, a clamp, a lever having a jig-side hook at one end, and a clamp release spring. The jig body has a surface that receives the locking spring so that the locking spring can move between a first arrangement position and a second arrangement position in the fitting direction. , The clamp is
The lock spring is inserted into the clamp receiving portion of the lock spring at the first arrangement position, and the lock spring is moved from the first arrangement position to the second position relative to the jig main body.
When the lever moves to the disposition position, it engages with the peripheral portion of the clamp receiving portion to lock the movement of the locking spring in the attaching / detaching direction. The jig main body is rotatably provided so as to be able to swing between and a second rotation position. The jig-side hook moves the lever to the first rotation position. At one time, the locking spring on the one surface faces the spring-side hook in the fitting direction without engaging with the spring-side hook, and further, the lever rotates the second rotation from the first rotation position. When rotating to the position, the connector side locking portion is separated from the connection target side locking portion in the fitting direction via the spring side hook of the locking spring on the one surface. And the clamp release spring moves the lever from the second pivot position to the clamp release spring. When returning to the first rotational position, the second
The locking spring at the position of the first position is pressed to return the locking spring to the first position, and the locking of the locking spring by the clamp is released. A locking spring attaching / detaching jig is obtained.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The locking spring attachment / detachment jig 1 of the present embodiment has adapters fitted to each other in an attachment / detachment direction b which is one direction orthogonal to a fitting direction a of the optical plug connector (connector) 7 to the adapter (connection object) 5. The lock spring 3 is attached to and detached from the optical plug connector 5 and the optical plug connector 7 (see FIG. 9). The locking jig 1 includes a jig body 11, a clamp 12, a lever 13, a clamp release spring 14, and the like.

In the jig body 11, the locking spring 3 moves between the first arrangement position (see FIG. 2A) and the second arrangement position (see FIG. 2B) in the fitting direction a. It has one surface (bottom surface) 11a for receiving the lock spring 3 so as to be movable. The clamp 12 is inserted into a clamp insertion hole (clamp receiving portion) 31a of the lock spring 3 at the first arrangement position. When the lock spring 3 moves from the first arrangement position to the second arrangement position relative to the jig main body 11, it engages with the peripheral portion of the clamp insertion hole 31a, and It functions to lock the movement in the attaching / detaching direction.

As shown in FIG. 3, the lever 13 has a jig-side hook 13a at one end thereof, and has a first rotation position (vertical state) and a second rotation position (tilted state).
Are provided rotatably with respect to the jig body 11 so as to be able to swing between the jig body 11 and the jig body 11. When the lever 13 is in the first rotation position, the jig-side hook 13a is engaged in the fitting direction without engaging with the spring-side hook 35 of the locking spring 3 on the bottom surface 11a of the jig body 11. a.
Further, when the lever 13 is turned from the first turning position to the second turning position, the jig-side hook 13a is connected to the spring side of the locking spring 3 on the bottom surface 11a of the jig main body 11. The connector side locking portion 33 is separated from the connection target side locking portion 32 in the fitting direction a via the hook 35.

As shown in FIG. 4, when the lever 13 returns from the second rotation position to the first rotation position, the clamp release spring 14 presses the locking spring 3 at the second arrangement position. I do. Thereby, the locking spring 3 returns to the first arrangement position, and the locking of the locking spring 3 by the clamp 12 is released.

As shown in FIG. 1, a locking spring 3 using the locking spring attaching / detaching jig 1 includes a main body 31,
It comprises a connection object side locking section 32, a connector side locking section 33, a spring section 34, a spring side hook 35 and the like.

The spring body 31 has a clamp insertion hole 31a functioning as a clamp receiving portion. The connection object side locking portion 32 is provided continuously with the spring body 31 and functions to lock the adapter 5 in the fitting direction a. Further, the connector side locking portion 33 functions to lock the optical plug connector 7 in the fitting direction a. The spring portion 34 connects the connector side locking portion 33 and the spring body 31 and presses the connector side locking portion 33 against the optical plug connector 7 in the fitting direction a. Is energizing. Furthermore,
The spring-side hook 35 is connected to the connector-side engaging portion 33, and has a free-end-side end substantially extending along the attaching / detaching direction b.

The operation of the locking spring attaching / detaching jig 1 of the present embodiment having the above configuration will be described below. First, the optical plug connector 7 and the adapter 5 are mounted by attaching the locking spring 3.
The procedure for locking the fitting will be described.

First, the clamp insertion hole 3 of the locking spring 3
The clamp 12 of the locking spring attaching / detaching jig 1 is inserted into 1a. Next, the jig-side hook 13a is engaged with the spring-side hook 35 as shown in FIG. 2A while checking the positions of the jig-side hook 13a and the spring-side hook 35. Thereafter, the operator grasps the lever 13 of the locking spring attaching / detaching jig 1 and rotates the lever 13 as shown in FIG. With this rotation,
As shown in FIG. 2B, the lock spring 3 moves from the first arrangement position to the second arrangement position. That is, the lock spring 3
Slides on the bottom surface 11a of the jig body 11 and is clamped by the locking spring attaching / detaching jig 1. And
As shown in FIG. 4A, when the locking spring 3 is further opened, the worker holds the lever 13 and locks the locking spring 3 in the corresponding hole or groove of the adapter 5 on the object side. The part 32 is inserted. After the insertion is completed, the operator
When the lock release spring 14 is released, the locking spring attaching / detaching jig 1 is slid with respect to the locking spring 3 as shown in FIG. Then, from this state, the locking spring attaching / detaching jig 1 is moved upward without grasping the lever 13, thereby detaching the locking spring attaching / detaching jig 1.

Next, a procedure for removing the locking spring 3 from the optical plug connector 7 and the adapter 5 will be described.

First, as shown in FIG. 6, the locking spring attaching / detaching jig 1 is set on the locking spring 3 as in the case of mounting. Next, the operator grasps the lever 13 of the locking spring attaching / detaching jig 1 and rotates the lever 13. By this rotation, as shown in FIG. 7, the locking spring 3 is moved to the jig main body 1.
1 (actually, the lock spring 3 does not move and the lock spring attaching / detaching jig 1 moves), and the locking spring 3 is moved by the clamp 12 of the locking spring attaching / detaching jig 1. Is clamped. By further rotating the lever 13 from this state, the connector side locking portion 33 of the locking spring 3 is opened. When the locking spring 3 is sufficiently opened in this way, the locking spring 3 is pulled up together with the locking spring attaching / detaching jig 1.
Thereby, the locking spring 3 is detached from the optical plug connector 7 and the adapter 5.

According to the locking spring attaching / detaching jig of the present embodiment configured as described above, when the lever of the locking spring attaching / detaching jig is not rotated, the optical plug connector and the adapter of the locking spring are provided. At the time of attachment / detachment to / from the jig, interference between the jig-side hook and the spring-side hook can be avoided.

Further, by providing a clamp releasing spring for releasing the locking of the locking spring by the clamp of the locking spring attaching / detaching jig, the lever is returned to the original position when the locking spring is attached to / detached from the optical plug connector and the adapter. Just
Immediately by the urging force of the clamp release spring, the engagement between the clamp of the lock spring attaching / detaching jig and the lock spring can be released, and both can be separated.

If there is no spring for releasing the clamp, for example, as in the jig for attaching and detaching the spring for locking shown in FIG.
Even if the lever is returned to the original position, the locking of the locking spring by the clamp cannot be released immediately.

Although the locking spring attaching / detaching jig of the present embodiment is for an optical connector, it goes without saying that the present invention is applicable to general connectors.

[0021]

According to the locking spring attaching / detaching jig of the present invention, the locking spring can be attached to and detached from the connector and the object to be connected by a simple operation. In particular, when the locking spring is attached to and detached from the connector and the object to be connected, the clamp for the locking spring can be automatically released, so that the workability of attaching and detaching the locking spring is improved.

[Brief description of the drawings]

1A and 1B show a locking spring attaching / detaching jig according to an embodiment of the present invention, wherein FIG. 1A is a perspective view seen from above, and FIG. 1B is a perspective view of a main part seen from below.

FIGS. 2A and 2B show the operation of the clamp of the locking spring attaching / detaching jig of FIG. 1, wherein FIG. 2A is an explanatory view showing a state where the clamp and the locking spring are not engaged, and FIG. FIG. 5 is an explanatory view of a state in which is engaged.

FIG. 3 is a partially cutaway side view showing an operation of a lever of the locking spring attaching / detaching jig of FIG. 1;

4A and 4B show the operation of a clamp release spring of the locking spring attaching / detaching jig of FIG. 1, wherein FIG. 4A is an explanatory view of a state in which a clamp state is to be released, and FIG. FIG.

FIG. 5 shows an essential part of a locking spring attaching / detaching jig,
(A) is a partially cutaway side view, and (b) is a cross-sectional view taken along line AA of (a).

FIG. 6 is an explanatory view showing a normal state of the locking spring when the locking spring is set in the locking spring attaching / detaching jig of FIG. 1;

FIG. 7 is an explanatory view showing a fitting state of the locking spring when the locking spring is set in the locking spring attaching / detaching jig of FIG. 1;

FIG. 8 is an explanatory view showing a state when the locking spring is attached and detached in the locking spring attaching and detaching jig of FIG. 1;

9 is a perspective view showing a state in which the locking spring is attached to and detached from the optical plug connector and the adapter by the locking spring attaching / detaching jig shown in FIG. 1;

FIG. 10 is an explanatory diagram showing a comparative example in which the clamp release spring is omitted from the locking spring attaching / detaching jig of FIG. 1;

FIG. 11 is a perspective view showing an example of a conventional locking spring clamping jig.

FIG. 12 is a perspective view showing an example of a conventional locking spring opening jig.

FIG. 13 is an explanatory diagram showing a state in which a lock spring is attached and detached using the jigs of FIGS. 11 and 12.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Locking spring attaching / detaching jig 11 Jig main body 11a One surface (bottom surface) 12 Clamp 13 Lever 13a Jig side hook 14 Clamp release spring 3 Locking spring 31 Spring main body 31a Clamp insertion hole (clamp receiving portion) 32 Connection target side Locking part 33 Connector side locking part 34 Spring part 35 Spring side hook 5 Adapter (object to be connected) 7 Optical plug connector (Connector) 8 Locking jig for spring clamp (conventional) 9 Locking jig for spring opening ( Conventional) a Fitting direction b Mounting direction (one direction orthogonal to the fitting direction)

Continuation of the front page Examiner Eiichi Yoshida (56) References JP-A-7-281058 (JP, A) JP-A 64-48008 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB G02B 6/42 G02B 6/36 H01R 13/639 H01R 43/26

Claims (1)

(57) [Claims] 1. A locking device for attaching and detaching a locking spring to and from the connection target and the connector fitted together in a mounting / removal direction which is one direction orthogonal to a fitting direction of the connector to the connection target. A spring attachment / detachment jig, wherein the lock spring includes a spring body having a clamp receiving portion, and a connection object side member connected to the spring body and locking the connection object in the fitting direction. A locking portion, a connector-side locking portion that locks the connector in the fitting direction, and connecting the connector-side locking portion and the spring body together with the connector-side locking portion in the fitting direction. A spring portion for urging the connector side locking portion so as to press against the connector, and a free end side end portion is provided continuously with the connector side locking portion and extends substantially along the mounting / dismounting direction. Having a spring side hook A locking spring attaching / detaching jig, which is a target, includes a jig main body, a clamp, a lever having a jig-side hook at one end, and a clamp release spring. The jig main body includes the locking spring. Has a surface for receiving the locking spring so that the clamp can move between a first arrangement position and a second arrangement position in the fitting direction. The clamp has the first arrangement position. When the lock spring is moved from the first arrangement position to the second arrangement position with respect to the jig main body, the clamp reception is performed. And engaging the peripheral portion of the portion to lock the movement of the locking spring in the attaching / detaching direction, wherein the lever is disposed between a first rotation position and a second rotation position. Turn the jig body so that it can swing The jig-side hook is provided without being engaged with the spring-side hook of the locking spring on the one surface when the lever is at the first rotation position. When the lever pivots from the first pivot position to the second pivot position, the lever faces the locking spring on the one surface via the spring-side hook. The connector side locking portion is separated from the connection object side locking portion in the fitting direction, and the clamp release spring is configured to move the lever from the second rotation position to the first rotation. When returning to the moving position, the locking spring in the second arrangement position is pressed to return the locking spring to the first arrangement position, and the locking of the locking spring by the clamp is released. Lock bar, characterized in that Detachable jig.