JP4158898B2 - Connector and its connector attaching / detaching tool - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector capable of removing a connector plug from a mating adapter using a detachable tool or attaching the connector plug to the mating adapter, and a connector extracting tool capable of mounting and removing the connector plug on the adapter.
[0002]
[Prior art]
2. Description of the Related Art Nowadays, a connector that is attached to a space such as a communication unit that is mounted with high density and various attachment / detachment tools for attaching / detaching the connector have been developed.
In particular, single-core SC2 and MU connectors are distributed in various markets.
[0003]
Conventionally, as an example of this type, there has been proposed one that cannot be removed unless a special tool is used after a connector plug is inserted into an adapter (for example, Patent Document 1).
[0004]
What is described in this patent document is as shown in FIGS.
In FIG. 14, particularly FIG. 14 and FIG. 15, 1 is an adapter having an opening 3 at one end 2 and a connecting end 4 inside thereof, and 5 is the other connecting end 6 connected to the connecting end 4 inside. A connector plug having one end 7 inserted into the opening 3, and a connector plug 8 disposed outside the connector plug 5 so as to be movable forward and backward of the connector plug 5 and by a stress member 9 such as a spring. 5 is a cylindrical slider urged to the adapter arrangement side against 5.
[0005]
An adapter engaging portion 12 including an adapter engaging protrusion 10 and a step 11 is formed on the outer side of the connector plug 5 on the one end 7 side, and the connector plug 5 is inserted into the one end 2 of the adapter 1 when the connector plug 5 is inserted. The slider 8 is moved backward (moved to the right side of the drawing) against the urging force of the stress member 9, and the adapter engagement protrusion 10 is moved over the adapter engagement portion 12 while expanding the diameter inside the one end 2. A latch 13 is formed.
[0006]
One end of the slider 8 on the side where the adapter 1 is disposed is formed so as to cover the outside of the latch 13 when the latch 13 is disposed on the adapter engaging portion 12. And a joint portion 14.
[0007]
And when extracting the connector plug 5 inserted in the opening part of the adapter 1, it carries out as follows using the connector attachment / detachment tool 15 shown in FIGS.
[0008]
That is, the removal hook 16 formed at the tip of the connector attaching / detaching tool 15 is hooked on the connector plug removal engaging portion 14 formed by a through hole or a step formed in the outer periphery of the slider 8 to be separated from the adapter 1. By applying a stress to the slider 8 in the direction, the slider 8 moves away from the adapter 1 on the outer periphery of the connector plug 5 against the force of the stress member 9.
[0009]
Then, until now, the end portion of the slider 8 has covered the outer periphery of the latch 13 to restrict the latch 13 from coming out of the adapter engaging portion 12, but the restriction is released by the above-described operation, and the latch 13 portion becomes the adapter. The connector plug 5 can be removed from the adapter 1 by overcoming the engagement protrusion 10 and leaving the connector plug 5.
[0010]
In the figure, 17 is an optical fiber core, 18 is a boot disposed at the rear end of the connector plug 5, and the boot 18 protects the optical fiber core 17 extending from the rear end of the connector plug 5. belongs to.
[0011]
[Patent Document 1]
JP 2002-228873 A.
[0012]
[Problems to be solved by the invention]
However, the connector has only enough space for the connector plug removal engagement portion 14 formed on the slider 8 to have the removal hook 16, so the connector plug removal engagement portion 14 has the removal hook 16. Even if the connector attaching / detaching tool 15 is moved to the adapter 1 side in the state in which the slider is disposed, the slider 13 blocks the adapter engaging portion 12, and therefore the latch 13 cannot be disposed in the adapter engaging portion. The connector plug 5 cannot be inserted into the adapter 1.
For this reason, the connector has to be inserted into the opening 3 of the adapter 1 by holding the connector plug 5 by hand, and it is not easy to insert the connector plug into the connector arrangement position arranged at high density.
[0013]
[Means for Solving the Problems]
The present invention has been made in view of the above points, and provides a connector that can not only remove a connector plug from an adapter using a connector attaching / detaching tool but also allows insertion using the same connector attaching / detaching tool, and an attaching / detaching tool thereof. To do.
[0014]
For this purpose, the present invention comprises an adapter having an opening at one end and a connecting end on the inside thereof,
A connector plug having the other connection end connected to the connection end inside, and one end inserted into the opening;
A cylindrical slider arranged outside the connector plug, arranged movably in the front and rear of the connector plug (in the axial direction), and urged to the adapter arrangement side by a stress member;
An adapter engaging portion is formed on the outside of the connector plug on the side inserted into the adapter by an adapter engaging protrusion and a step,
When the connector plug is inserted, the end of the opening of the adapter retracts the slider against the urging by the stress member, and expands to the inner side of the end to get over the adapter engaging protrusion and engage the adapter. A latch arranged at the joint is formed,
One end on the adapter placement side of the slider is formed so as to cover the outside of the latch when the latch is placed in the adapter engagement portion, and further provided with an engagement portion for removing the connector plug on the outer periphery of the slider,
Further, the connector plug removal engagement portion is provided with a play gap that is longer than a distance by which the slider moves backward against the bias when the latch is disposed in the adapter engagement portion.
[0015]
Another feature of the present invention is a connector attaching / detaching tool for attaching / detaching the adapter of the connector of the present invention and a connector plug,
An extraction hook that engages with the connector plug extraction engagement portion is formed at one end of the handle portion,
In another position of the handle portion, an insertion pressure piece for inserting the connector plug into the opening of the adapter by applying a pushing force to the connector plug is disposed,
In addition, when the insertion pressure piece exerts a pushing force on the connector plug, a play gap that is longer than the distance that the slider moves backward against the bias when the adapter is placed in the adapter engaging portion is used for removing the connector plug. An extraction hook and an insertion pressure piece are arranged so as to be secured in the engaging portion.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
The connector plug has a slide lock structure and a push-on structure like the F13 type multi-core optical fiber connector established in “JISC5982” in which the connection end composed of the multi-fiber MT ferrule “JISC5981” is housed. It is a connector.
Adapters to be connected to this are fixed to a board or the like in which a large number of adjacent adapters used for a backplane or the like are arranged at a gorge pitch and are arranged in a communication device.
[0017]
The connection end disposed in the connector plug may be an electrical connection instead of an optical fiber connection as described above.
[0018]
【Example】
Hereinafter, the present invention will be described with reference to an illustrated embodiment.
In FIG. 1, 1 to 13 are the same as FIGS. 11 to 15, 1 is an adapter, 2 is one end thereof, 3 is an opening, 5 is a connector plug, 7 is one end thereof, 8 is a slider, 9 is a stress member, 10 is an adapter engaging protrusion, 11 is a step, 12 is an adapter engaging portion, and 13 is a latch. Reference numeral 18 denotes a boot. These all have substantially the same functions as those shown in FIGS.
[0019]
In FIG. 1, reference numeral 20 denotes a connector plug removal engagement portion which is one of the features of the present invention. The connector plug removal engagement portion 20 has a length in which the slider 8 moves backward relative to the insertion direction of the connector plug and the bias when the latch 13 is disposed in the adapter engagement portion 12. The above play gap (space) 20 'is provided. For this reason, as described below, when the connector plug 5 is inserted into the adapter 1, the removal hook 32 does not hinder the backward movement of the slider 8.
[0020]
In FIG. 1, reference numeral 30 denotes a connector attaching / detaching tool, which is formed of a handle portion 31, a removal hook 32 disposed at the tip of the handle portion 31, and an insertion pressure piece 33 disposed inside the handle portion 31. ing.
[0021]
As shown in FIG. 3 and the like, the connector attaching / detaching tool 30 is usually configured by connecting a pair of handle portions 31 to each other at the end portions on the side where the removal hooks 32 are not formed in a U shape. The The mutually connected handle portions 31 are usually manufactured by bending a leaf spring steel plate into a U shape by bending or the like.
[0022]
For this reason, the handle portion 31 formed in a U-shape is formed by elastically deforming the hooks 32 and 32 by pressing the outer sides of the handle portions 31 and 31 and applying a gripping force. The interval between them is reduced, and the original interval can be restored again by releasing the gripping force. Further, the handle portion 31 needs to have a steel property that does not bend when the connector plug 5 described later is pushed into the adapter 1.
[0023]
The handle 31 can be made of any material as long as it can change the distance between the removal hooks 32 and 32 when handled by hand as described above and does not bend when the connector plug is inserted. it can.
[0024]
The removal hook 32 is for engaging with the connector plug removal engagement portion 20 formed on the slider 8 to remove the connector plug 5 from the adapter 1, and operates in the same manner as the conventional removal hook 16. To do. In the present embodiment, the removal hook 32 shown in FIG. 1 has an example in which the tip is deformed in a key shape and is fixed to the tip of the handle 31 by welding or the like. Yes.
[0025]
The insertion pressure piece 33 is one of the features of the present invention, and assists the insertion of the connector plug 5 into the adapter 1 that could not be achieved in the past. In this embodiment, the insertion pressure piece 33 is shown as an example in which the tip of the handle portion 31 is protruded inward by drawing or bending. Of course, you may make it attach the thing produced separately to the suitable location of the holding tool 31. FIG.
[0026]
Hereinafter, the procedure for inserting the connector plug 5 into the adapter 1 including the operation of the insertion pressure piece 33 will be described in more detail with reference to FIGS.
[0027]
Prior to the insertion of the first fastener 5 into the adapter 1, as shown in FIG. 1, the distance between the connector handle portions is reduced, and the connector plug removal engagement portion 20 of the slider 8 is inserted into the removal hook 32 of the connector attachment / detachment tool 30. Is inserted, the outer peripheral portion of the boot 18 is sandwiched between the insertion pressure pieces, and the connector plug 5 is held by the connector attaching / detaching tool 30.
[0028]
In this state, the connector plug 5 is guided to the opening of the adapter 1 and insertion is started. At the start of insertion, a slight gap is usually generated between the rear end of the connector plug 5 and the front end of the insertion pressure piece. However, when the connector plug 5 comes into contact with the latch 13 during the insertion into the adapter 1 or the latch 13 abuts against the adapter engaging protrusion 10 to cause an insertion resistance, the insertion pressure piece becomes a part of the boot. While sliding on the outer surface, the front end (left end in the drawing) of the insertion pressure piece comes into contact with the rear end (right end in the drawing) of the connector plug 5.
[0029]
When the connector attaching / detaching tool 30 is further pushed in here, as shown in FIG. 6, the latch 13 rides on the adapter engaging projection 10 while expanding the diameter, and the tip of the latch 13 contacts the tip of the slider 8 (left end in the drawing). To do.
When the connector attaching / detaching tool 30 is further pushed in, the slider 8 moves relative to the connector plug 5 as shown in FIG. 7 and only the connector plug 5 is inserted into the adapter 1. At this time, the removal hook 32 moves in the space 20 ′ provided in the connector plug removal engagement portion 20, and does not hinder the backward movement of the slider 8.
[0030]
When the connector plug 5 is further pushed in, the latch 13 is housed in the adapter engaging portion 12 of the connector plug 5 as shown in FIG. At the same time, the slider 8 returns to the arrangement side of the adapter 1 due to the urging of the stress member 9 by a spring or the like, covers the latch 13 portion, is locked from coming out of the adapter 1, and is locked. 5 is completed.
[0031]
Further, when the connector plug 5 is pulled out from the adapter, as shown in FIG. 9 (same as the conventional operation), a pulling hook 32 is arranged on the connector plug pulling engagement portion 20 to pull out the connector plug 5. By pulling out the connector attaching / detaching tool 30 in the direction (rightward in the drawing), the slider is retracted against the biasing force of the stress member, and the latch 13 is unlocked.
[0032]
In this state, by further pulling out the connector attaching / detaching tool 30 in the pulling direction of the connector plug 5 (rightward in the drawing), the latch 13 moves over the adapter engaging protrusion 10 as shown in FIG. 5 can be pulled out of the adapter.
[0033]
In FIG. 2, 34 is a connector plug guide, and the material constituting the removal hook 32 is formed into a U-shaped cross section at the rear (right side of the drawing), and a part and a piece above and below the rear end of the connector plug 5 It has a structure that covers the sides. The connector plug guide 34 is disposed in each of the pair of handle portions 31 such that the U-shaped opening faces each other, and the pair of connector plug guides 34 wraps the entire rear end portion of the connector plug 5. Is made. Accordingly, prior to the connector plug guide 34 engaging the removal hook 32 with the connector plug removal engagement portion 20, the connector is inserted into the space formed by the connector plug guides 34, 34 from the rear side of the boot 18. Thus, the removal hook 32 can be easily guided to the connector plug removal engagement portion 20.
[0034]
FIG. 3 shows another example of the connector attaching / detaching tool 30 according to the present invention, in which the connector plug guide 34 is formed on the outer side of the distal end portion of the handle portion 31 and the insertion pressure piece 33 is formed on the inner side. The connector plug guide 34 is shown with a removal hook 32 attached to the tip (left end of the drawing) by welding or the like.
[0035]
FIG. 4 shows still another example of the connector attaching / detaching tool 30 according to the present invention. The connector plug guide 34 is provided outside the front end of the handle 31 and the insertion pressure piece 33 is separately provided inside thereof. The connector plug guide 34 is attached by welding or the like, and the distal end portion of the connector plug guide 34 is formed on the removal hook 32.
[0036]
3 and 4 operate in the same manner as shown in FIGS. 1 and 2, and thus detailed description of the operation is omitted.
[0037]
5A and 5B show the structure of the slider 8 shown in FIGS. 1 and 2 and the like. FIG. 5A is a partial sectional explanatory view, and FIG. 5A and 5B show the structure of another slider 8 different from the above-mentioned a and b, i is a partial cross-sectional explanatory view, and b is a plan view thereof. The connector plug removal engagement portion 20 of the slider 8 shown in (a) and (b) is formed in a through-hole penetrating the side wall of the slider 8, whereas the connector plug removal engagement portion 20 shown in (b) and (c) is removed by a step. Both are different in that the engagement portion 20 is formed. The present invention can be similarly applied even to structures having the structures shown in (b) and (c).
[0038]
【effect】
As described above, according to the present invention, when the latch is arranged at the adapter engaging portion at the connector plug removal engaging portion, there is provided a play gap that is longer than the distance that the slider moves backward against the urging by the stress member or the like. It is characterized by being. Further, the connector attaching / detaching tool is provided with an insertion pressure piece for inserting the connector plug into the opening of the adapter by applying a pressing force to the connector plug. For this reason, a connector plug can be inserted and removed using a connector attaching / detaching tool. In particular, a remarkable effect is exerted particularly on a connector disposed in a place where there is only a small space that cannot be attached and detached with a fingertip.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part when a connector and a connector attaching / detaching tool of the present invention are combined.
FIG. 2 is a plan view of a main part of the connector attaching / detaching tool shown in FIG.
FIG. 3 is an explanatory view showing another embodiment of the connector attaching / detaching tool of the present invention.
FIG. 4 is an explanatory view showing still another embodiment relating to the connector attaching / detaching tool of the present invention.
FIG. 5 is an explanatory diagram showing two different types of sliders according to the present invention.
FIG. 6 is an explanatory diagram for explaining an operation when the connector plug of the present invention is inserted.
FIG. 7 is an explanatory diagram for explaining the operation when the connector plug of the present invention is inserted.
FIG. 8 is an explanatory diagram for explaining an operation when the connector plug of the present invention is inserted.
FIG. 9 is an explanatory diagram for explaining an operation when the connector plug of the present invention is removed.
FIG. 10 is an explanatory diagram for explaining an operation when the connector plug of the present invention is removed.
FIG. 11 is a perspective view showing an example of the prior art.
12 is a perspective view showing details of FIG. 11. FIG.
FIG. 13 is a perspective view showing an example of a conventional connector attaching / detaching tool.
FIG. 14 is a perspective view showing a conventional connector.
15 is a partial cross-sectional side view showing the connector of FIG. 14;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Adapter 2 One end 3 Opening part 4 Connection end 5 Connector plug 6 Connection end 7 One end 8 Slider 9 Stress member 10 Adapter engagement protrusion 11 Step 12 Adapter engagement part 13 Latch 17 Optical fiber core wire 18 Boot 20 Engagement for connector plug removal Joint part 30 Connector attaching / detaching tool 31 Handle part 32 Removal hook 33 Insertion pressure piece

Claims (6)

An adapter with an opening at one end and a connection end inside it,
A connector plug having the other connection end connected to the connection end inside, and one end inserted into the opening;
A cylindrical slider arranged outside the connector plug and arranged movably in front and rear of the connector plug, and biased toward the adapter arrangement side by a stress member;
On the outside of the connector plug on the side to be inserted into the adapter, an adapter engaging protrusion and an adapter engaging portion by a step are formed,
When the connector plug is inserted, the end of the opening of the adapter retracts the slider against the urging by the stress member, and expands to the inner side of the end to get over the adapter engaging protrusion and engage the adapter. A latch arranged at the joint is formed,
One end on the adapter placement side of the slider is formed so as to cover the outside of the latch when the latch is placed in the adapter engagement portion, and further provided with an engagement portion for removing the connector plug on the outer periphery of the slider,
Further, the connector plug removing engagement portion is provided with a play gap that is longer than a distance by which the slider moves backward against the bias when the latch is disposed in the adapter engagement portion. 2. The connector according to claim 1, wherein a guide groove for positioning is formed along the central axis of the outer periphery of the connector plug. A connector attaching / detaching tool for attaching / detaching an adapter and a connector plug of the connector according to claim 1,
An extraction hook that engages with the connector plug extraction engagement portion is formed at one end of the handle portion,
In another position of the handle portion, an insertion pressure piece for inserting the connector plug into the opening of the adapter by applying a pushing force to the connector plug is disposed,
In addition, when the insertion pressure piece exerts a pushing force on the connector plug, a play gap that is longer than the distance that the slider moves backward against the bias when the adapter is placed in the adapter engaging portion is used for removing the connector plug. A connector attaching / detaching tool, wherein an extraction hook and an insertion pressure piece are arranged so as to be secured in the engaging portion. The connector attaching / detaching tool according to claim 4, wherein the pair of handle portions are connected in a U-shape.   The connector attaching / detaching tool according to claim 4, further comprising a holder that holds the outer periphery of the connector plug by gripping the pair of handle portions. A positioning guide is formed on the inner side of the pair of handle portions so as to be fitted in a positioning guide groove formed on the side surface of the connector plug and movable along the groove when the side surface of the connector plug is held. The connector attaching / detaching tool according to claim 4, wherein the connector attaching / detaching tool is provided.

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