JP2005235545A - Connector with attachment and detachment mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector with an attachment and detachment mechanism most suitable for high density mounting detaching and attaching a connector to a device without a space for inserting a finger to push a protruded part of a locking lever around the connector, wherein the size can be reduced and the strength of fitting force and workability can be improved. <P>SOLUTION: Firstly, when detaching and attaching the connector in a narrow space, it can be easily detached and attached by holding and pulling a pull tab part extended to the back of a plug for drawing out even if there is no sufficient space for inserting the finger into the surroundings of the connector. Secondly, as for the fitting strength of a tip end locking claw, when a part of a slide part provided in a connector housing is fitted to an adaptor, it is in a position to push up the tip end locking claw to the outside of the housing, the tip end locking claw is held not to easily move to the inside of a housing main body against excessive external force drawing out a plug connector. Thus, the strength can be improved. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention is most suitable for high-density mounting in which a connector is attached to and detached from a device or the like that does not have a space for inserting a finger for pushing the convex portion of the lock lever around the connector. The present invention relates to a connector with an attachment / detachment mechanism that can improve the strength and workability of the connector.

  As shown in FIG. 2, in the conventional connector, the front end locking claw 4A 'is placed in the middle of the connecting portion between the front end locking claw 4A' of the lock lever 4 and the upper surface housing 3 'with a finger toward the inside of the housing body. A protrusion 9 'for pressing down is provided. Usually, the lock lever 4' is formed so as to protrude from the housing body so that the tip lock claw 4A 'is fitted with the engagement groove 6A' of the adapter 6 '. In order to release the fitting state, the protrusion 9 'is pushed inward by the finger toward the inside of the housing body so that the tip locking claw 4A' is lowered into the housing body and at the same time the engaging groove of the adapter 6 '. The fitting state with 6A ′ was released.

JP-A-5-144512

  The problem to be solved is as follows. First, there is not enough clearance to push down the lock lever and insert a finger to push the convex portion of the lock lever to release the fitting state with the engagement groove of the adapter. It is not suitable for mounting in a narrow space. Secondly, the connector locking claw fitting structure is designed so that when the plug connector is subjected to an excessive pulling force, or when a weak pulling force is applied over a long period of time, the locking claw is gradually moved into the housing body. In some cases, the lock is released by being pushed inward.

The present invention has been intensively studied to solve these problems,
First, when attaching and detaching a connector in a narrow space, pulling with a pull tab for pulling out the back of the plug makes it easy even if there is not enough space to put a finger around the connector. Detachable. Second, regarding the strength of the lock claw fitting, a part of the slide parts installed in the connector housing is in a position to push the tip lock claw outward in the housing while fitting with the adapter, and the plug connector is pulled out. Even with such an excessive external force, the lock claw can be easily held so as not to move inward of the housing body, and the strength can be improved.

    As there is not enough space to insert a finger to push the convex part of the lock lever, it is most suitable for high-density mounting where a connector is attached to and detached from a device with high-density mounting. It is a connector with a detachable mechanism that improves workability.

  Hereinafter, embodiments of the connector with a detachable mechanism according to the present invention will be described in detail with reference to the accompanying drawings.

  In the first embodiment of the present invention, as shown in FIG. 1 (a), from the front end side of the lock lever, a front end lock claw 4A, a lower lever 4B, a taper portion 4D and an upper lever 4E are formed in this order. An upper lever 4E of the lever 4 is connected to the upper surface housing 3 of the plug 2, and on the other hand, a taper portion 5B is formed on the upper surface of the tip of the slide component in the housing below the lock lever 4, and thereafter This is a connector with an attachment / detachment mechanism in which a slide component 5 connected and integrated by a pull tab portion 5H is provided on the side.

  Due to such a structure, as shown in FIG. 1 (a), the second embodiment has an edge portion 4C of the lock lever 4 and the slide component 5 before the pull tab portion 5H is pushed in the first embodiment. The taper portion 5B of the lock lever 4 is not in contact, the tip lock claw 4A is lowered downward, and the edge portion 4C of the lock lever 4 is slightly pushed by pressing the pull tab portion 5H slightly. And the taper part 5B of the slide part 5 are in contact with each other, and the lower part 4B of the lock lever 4 and the second upper surface part of the slide part 5 are pressed by completely pushing the pull tab part 5H. This is a connector with an attachment / detachment mechanism comprising a third step in which 5C comes into contact and the tip lock claw 4A rises and completely engages with the engagement groove 6A of the adapter 6. Here, when the pull tab portion 5H is pushed, the first bottom surface portion 5D and the second bottom surface portion 5E are slid in parallel along the bottom surface of the housing. The first bottom surface portion 5D and the second bottom surface portion 5E may be appropriately changed so as to match the shape of the lower surface housing.

  As a third embodiment, as shown in FIG. 1 (b), from the front end side of the lock lever 4, a front end lock claw 4A, a lower lever 4B, a drive arm 4F, and an upper lever 4E are formed in this order. 4 is connected to the upper housing 3 of the plug. On the other hand, the lower cam groove, the tapered cam groove and the upper side of the slide part 5 are formed in the housing below the lock lever 4. A cam part is formed in order and interlocked with the drive arm 4F, and a slide part 5 integrated by connecting with a pull tab part 5H is provided on the rear side thereof, and the coil spring 5F is sandwiched between the pull tab part 5H in the housing. It is a connector with a mechanism. Here, the cam groove 5G is illustrated in an enlarged view in which grooves are provided on the left and right, but it is not necessary to have this shape.

  Due to such a structure, as shown in FIG. 1 (b), the fourth embodiment is such that, in the third embodiment, pulling the pull tab portion 5H causes the coil spring 5F to contract and the drive arm 4F to move downward. Moving to the cam groove, the tip lock claw 4A moves downward, the fitting is released, and the pull tab portion 5H is slightly separated, so that the coil spring 5F is activated and the drive arm 4F is a tapered cam groove. And the tip lock claw 4A slightly rises, the second step of partially fitting, and the pull tab portion 5H are completely separated, the coil spring 5F works, the drive arm 4F moves to the upper cam groove, This is a connector with an attaching / detaching mechanism comprising a third step in which the distal end locking claw 4A is completely raised and completely engaged with the engaging groove 6A of the adapter 6.

  As a fifth embodiment, as shown in FIG. 1 (c), from the front end side of the lock lever, a front end lock claw 4A, a lower lever 4B, a taper portion 4D, and a convex portion 9 are formed in this order. The convex portion 9 is connected to the upper surface housing 3 of the plug 2, and the upper side of the hook-shaped convex portion operating lever 8 is arranged at an upper position away from the convex portion 9 of the plug 2. In addition, a connector with an attaching / detaching mechanism in which the lower side on the opposite side is fixed by the fixing portion 12 of the plug 2.

  In the sixth embodiment, as shown in FIG. 1C, in the fifth embodiment, the convex portion 9 and the tip locking claw 4A are lowered downward by simply pressing the convex portion operation lever 8, while the convex portion By releasing the part operation lever 8, the convex portion 9 and the tip lock claw 4 </ b> A rise upward and are a connector with a detachable mechanism that fits completely into the engagement groove 6 </ b> A of the adapter 6.

  In the embodiments of the present invention, the optical connector has been illustrated and described as a representative example. It goes without saying that various modifications such as the shape of the convex operation lever and the shape of the lock lever are included.

  The present invention can be widely applied to general connectors.

(A) First and second embodiments of the connector 1A with a detachable mechanism according to the present invention. (B) Third and fourth embodiments of the connector 1B with a detachable mechanism according to the present invention. (C) Fifth and sixth embodiments of the connector 1C with a detachable mechanism according to the present invention. It is an Example of the connector 1 'with the conventional attachment / detachment mechanism.

Explanation of symbols

1A, 1B, 1C Connector with attachment / detachment mechanism of the present invention 2 Plug 3 Upper surface housing 4 Lock lever 4A Tip lock claw 4B Lower lever 4C Edge 4D Taper 4E Upper lever 4F Drive arm 5 Slide component 5A First upper surface 5B Taper Part 5C Second top face part 5D First bottom face part 5E Second bottom face part 5F Coil spring 5G Cam groove 5H Pull tab part 6 Adapter 6A Engaging groove 7 Cable 8 Convex control lever 9 Convex part
10 Fixed part 1 'Connector with conventional attachment / detachment mechanism 2' Plug 3 'Top housing 4' Lock lever 4A 'Tip lock claw 6' Adapter 6A 'Engaging groove 7' Cable 9 'Convex part

Claims (6)

  In the connector with a detachable mechanism in which the lock lever of the plug and the engagement groove of the adapter are fitted, the tip lock claw, the lower lever, the taper, and the upper lever are formed in this order from the tip side of the lock lever, and the upper side of the lock lever The lever is connected to the upper housing of the plug. On the other hand, a taper portion is formed on the upper surface of the tip of the slide component in the housing below the lock lever, and connected to the rear side by a pull tab portion. A connector with a detachable mechanism, characterized by providing an integrated slide part. In Claim 1, before pushing a pull tab part, the edge part of a lock lever and the taper part of a slide component are not contacting, and the front-end | tip lock nail | claw has dropped below, The 1st process of releasing fitting When,
A second step in which the edge portion of the lock lever and the taper portion of the slide part come into contact with each other by partially pushing the pull tab portion,
By pressing the pull tab part completely, the lower lever of the lock lever and the second upper surface part of the slide part come into contact with each other, the tip lock claw is raised, and from the third step of completely fitting with the engaging groove of the adapter. A connector with an attachment / detachment mechanism characterized by comprising:   In the connector with a detachable mechanism in which the lock lever of the plug and the engagement groove of the adapter are fitted, the tip lock claw, the lower lever, the drive arm and the upper lever are formed in this order from the tip side of the lock lever, and the upper side of the lock lever The lever is connected to the upper housing of the plug. On the other hand, a lower cam groove, a tapered cam groove, and an upper cam groove are formed in this order in the housing below the lock lever on the tip side of the slide part. A connector with an attachment / detachment mechanism, characterized in that a slide component that is linked to and integrated with the drive arm and connected to the rear side by a pull tab portion is provided, and a coil spring is sandwiched between the pull tab portions in the housing. In claim 3, by pulling the pull tab portion, the coil spring is contracted, the drive arm is moved to the lower cam groove, the tip lock claw is moved downward, and the first step is released.
A second step in which the coil spring works by moving the pull tab part slightly, the drive arm moves to the tapered cam groove, the tip lock claw rises slightly, and partly fits;
By completely separating the pull tab part, the coil spring works, the drive arm moves to the upper cam groove, the tip locking claw rises completely, and consists of a third step in which it is completely fitted with the adapter engaging groove. A connector with a detachable mechanism.   In a connector with a detachable mechanism in which the lock lever of the plug and the engagement groove of the adapter are fitted, the tip lock claw, the lower lever, the edge, the taper, and the convex are formed in this order from the tip of the lock lever. The convex part of the lever is connected to the upper housing of the plug, and on the other hand, the upper part of the hook-shaped convex part operating lever is arranged at the upper position away from the convex part of the plug and the opposite side. A connector with a detachable mechanism, wherein the lower side is fixed at a fixing portion of the plug. In claim 5, by pressing the convex operation lever, the convex portion and the tip locking claw are lowered downward, while by releasing the convex operation lever, the convex portion and the tip locking claw are raised upward, A connector with a detachable mechanism, wherein the connector is completely fitted into the engaging groove of the adapter.

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