JP3599008B2 - Modular jack - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a modular jack in which a jack main body is housed in a body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there has been provided a modular jack in which a jack body having a plug insertion port into which a modular plug is inserted is housed in a body, and this kind of modular jack is used for relaying or branching of an information communication cable. When it is desired to identify the system to which the plug insertion port is connected in such a modular jack, a color-coded or lettered label for each system to which the plug insertion port is connected is attached as a marker near the plug insertion port. Was.
[0003]
[Problems to be solved by the invention]
However, if a label is used, it needs to be replaced when there is a change in the connection destination, which is troublesome. In addition, the label may be peeled off after a long time from the application of the label due to external force acting on the label or deterioration of the adhesive.
[0004]
The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a modular jack in which a marker indicating a system to which a plug insertion port is connected can be easily changed and the marker is not peeled off. Is to provide.
[0005]
[Means for Solving the Problems]
The invention according to claim 1 is characterized in that a body comprising a body holding a jack body having an opened plug insertion opening for inserting a modular plug, a cover coupled to the body and covering the jack body, and a colored member. The cover has an engaging portion, the body has an engaged portion with which the engaging portion is engaged, and the cover has an engagement portion and the engaged portion. The body and the cover form the body by engagement, and a pair of engagement pieces project from the main body in the same direction on the color chip, and are located at positions corresponding to the plug insertion ports in the cover. Is provided with an engagement hole into which the engagement piece is inserted, and each engagement piece is provided with an engagement claw projecting in a direction in which the engagement pieces are arranged and in mutually different directions. Is flexible, between the main body and the engagement claw. The color chip is held by the cover by sandwiching the edge of the engagement hole, and the cover inner surface is pressed to the direction of the engagement hole with a finger in a state where the color chip is held by the cover. A protrusion protruding more inward is provided at a tip of the engagement piece .
[0007]
According to a second aspect of the present invention, in the modular jack according to the first aspect, a protruding dimension of the engaging claw toward a base of the engaging piece is provided at an edge of each of the engaging claws near a tip of the engaging piece. A mounting inclined portion is provided that is inclined in a direction in which the engaging tab is inserted into the engaging hole when the engaging piece is inserted into the engaging hole on an outer surface side of an edge of the engaging hole. A mounting inclined surface is provided which is inclined in a direction in which the engagement hole is widened toward the side.
[0008]
According to a third aspect of the present invention, in the modular jack according to the first or second aspect, in each of the engagement claws, a portion of the engagement claw near a base of the engagement piece projects from the tip of the engagement piece. A detached inclined portion inclined in a direction of increasing the size is provided, and the engaging hole is expanded toward the inner surface of the cover at a portion of the inner surface of the edge of the engaging hole that abuts on the engaging claw. A detachable inclined surface inclined in the direction is provided.
[0010]
The invention according to claim 4, insertion in modular jack according to any one of claims 1 to 3, wherein a vicinity of the engaging piece of the main body portion, the engaging piece with the engaging hole When the engagement piece is bent, a bending groove extending in a direction crossing the bending direction of the engagement piece is formed.
[0011]
The invention of claim 5 is the modular jack according to any one of claims 1 to 4, housing recess the cover the color chip the body portion in a state of being held in the cover is accommodated Wherein the main body is located inside the cover with respect to the opening surface of the storage recess.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
(Embodiment 1)
As shown in FIG. 2, the modular jack 1 of the present embodiment has a configuration in which a jack body 2 is housed in a substantially rectangular parallelepiped body 3. Hereinafter, description will be given according to the direction in FIG.
[0014]
The jack main body 2 has a plug insertion opening 2a into which a modular plug is inserted, and has a front opening. Inside the plug insertion opening 2a, a plurality of contacts (not shown) for contacting the contacts of the modular plug are provided. . A terminal block is provided at the rear of the jack body 2, and a plurality of press contact terminals 2 b electrically connected to the contact terminals inside the jack body 2 are arranged on the terminal block. After the electric wire is connected to the press contact terminal 2b, a terminal cover 6 that covers the press contact terminal 2b is attached to the jack body 2 in order to prevent the connected electric wire from falling off.
[0015]
The housing 3 includes a body 4 that covers the lower side of the jack body 2 and a cover 5 that covers the upper side of the jack body 2.
[0016]
The body 4 has a substantially rectangular parallelepiped shape, and a front surface side of the upper surface is depressed, and a jack housing portion 4a in which the jack body 2 is mounted is provided inside the depression. On both sides of the jack storage portion 4a, holding pieces 4b each having a hook-shaped tip are protruded. The jack main body 2 is provided with a holding groove 2c that engages with the holding piece 4b, and the jack main body 2 is held in the storage portion 4a by the engagement between the hook-like portion of the holding piece 4b and the holding groove 2c. At the edge of the body 4 on the front side of the storage portion 4a, a frame-shaped portion 4c having an open front side of the plug insertion opening 2a is integrally provided upright. Further, after the electric wire is connected to the press contact terminal 2b of the jack main body 2, a tension stopper 7 for fixing the electric wire to the body 4 is fixed to the upper surface of the body 4 by a tapping screw 8 in order to prevent the electric wire from falling off.
[0017]
The cover 5 has a shape in which a peripheral wall is vertically provided from a peripheral edge of a rectangular top plate, and the shape of a projection from above is the same as that of the body 4. Notches are provided in the peripheral wall at positions corresponding to the frame-shaped portions 4c and at positions where the electric wires connected to the press contact terminals 2b of the jack body 2 are drawn out.
[0018]
Engagement projections 4d are provided on both sides of the upper surface of the body 4 so as to project therefrom. A projection as an engagement portion is provided on the inner surface of the peripheral wall on both sides of the cover 5, and a dent as an engaged portion to be engaged with the projection is formed in the engagement projection 4 d of the body 4. ing. The body 4 and the cover 5 constitute the body 3 by the engagement between the recess provided on the engagement projection 4d of the body 4 and the projection projecting from the inner surface of the peripheral wall on both sides of the cover 5.
[0019]
A door 9 that covers the front side of the plug insertion port 2a is attached to the body 4. The door 9 includes two door bodies 9a and 9b. Guide grooves (not shown) for guiding both sides of the doors 9a and 9b are provided on both sides inside the frame 4c so that the doors 9a and 9b can slide up and down. At the lower part of 4c, a recess capable of storing the doors 9a, 9b is formed. The body 4 has a back cover 10 attached below the plug insertion opening 2a, and a coil spring 11 supported by the back cover 10 and for urging the door 9a in a direction in which the door 9 closes. The door 9a has an arm 9c that comes into contact with the coil spring 11, an operation piece 9d protruding outside the container 3, and a hooking claw 9e protruding toward the door 9b.
[0020]
When the plug insertion port 2a is used, the operation piece 9d is pushed by a modular plug to be used. Then, both the door body 9a and the door body 9b slide downward, and the door body 9a and the door body 9b are accommodated in the recess at the lower part of the frame portion 4c in an overlapping state, and the plug insertion port 2a is used here. Since it becomes possible, the modular plug is directly inserted into the plug insertion port 2a. Further, when the modular plug is removed, the door 9a is urged in the direction to close the door 9 by the spring force of the coil spring 11, and the door 9a is supported by the hook 9e by the hook 9e, and the door 9b is plugged together with the door 9b. The insertion port 2a is closed.
[0021]
Further, a magnet 12 is attached to the lower surface of the body 4 as means for holding the modular jack 1 on a magnetic material such as a steel desk. Further, as a means for holding the modular jack 1 on a wall surface or the like, the body 4 is provided with a directly screw hole 4e for inserting a screw to be screwed into the wall surface or the like.
[0022]
The modular plug 1 according to the present embodiment includes a color chip 13 that is detachable above the jack body 2 on the upper surface of the cover 5 as a sign indicating a system to which the plug insertion port 2a is connected.
[0023]
The color chip 13 is formed of a material such as a thermoplastic resin separately from the container 3. As shown in FIGS. 3 to 5, the color chip 13 has a rectangular flat plate-shaped main body portion 13a, and a pair of engagement pieces 13b arranged in the longitudinal direction of the main body portion 13a are vertically provided on the back surface of the main body portion 13a. ing. Engaging claws 13c are protruded from the respective engaging pieces 13b on the side remote from the other engaging piece 13b. In each of the engagement pieces 13b, a protrusion 13g extends in a direction further away from the main body from the position where the engagement claw 13c is provided.
[0024]
A rectangular storage recess 5a for accommodating the main body 13a of the color chip 13 is provided on the upper surface of the cover 5, and a rectangular engagement hole into which the engagement piece 13b is inserted is provided inside the storage recess 5a. 5b is penetrated. Here, the dimension A in FIG. 3 is formed smaller than the length C of the engaging hole 5b in the longitudinal direction, and the dimension B is formed to be substantially the same as the length C of the engaging hole 5b in the longitudinal direction. ing. The width of the main body 13a and the engagement piece 13b and the width of the storage recess 5a and the engagement hole 5b in the short direction are all substantially the same.
[0025]
In each of the engagement pieces 13b, an edge of the engagement claw 13c on the side away from the main body 13a has a mounting inclined portion 13d inclined toward the base of the engagement piece 13b in a direction away from the other engagement piece 13b. Are provided respectively. On the side of each projection 13g remote from the other engagement piece, a slope inclined in a direction away from the other engagement piece 13b toward the base of the engagement piece 13b, following the mounting inclined part 13d. Each surface is provided. Further, in the cover 5, a mounting inclined surface 5c which is inclined in a direction to widen the engaging hole 5b toward the outer surface is provided at an edge of the engaging hole 5b in the longitudinal direction.
[0026]
To attach the color chip 13 to the cover 5, the tip of each engagement piece 13 b is inserted into the engagement hole 5 b and the color chip 13 is pressed toward the cover 5. Then, each engagement piece 13b is bent in a direction approaching the other engagement piece 13b, and when the engagement claw 13c reaches the inner surface side of the cover 5, the engagement piece 13b is returned to the engagement claw as shown in FIG. The color chip 13 is held by the cover 5 by the edge of the engagement hole 5b being sandwiched between the body 13a and the body 13a. At this time, the mounting can be smoothly performed by moving the mounting inclined portion 13d along the mounting inclined surface 5c. When the color chip 13 is mounted on the cover 5, the protrusion 13 g of the engagement piece 13 b protrudes toward the inner surface of the cover 5, and on the outer surface of the cover 5, the main body 13 a of the color chip 13 is entirely in the storage recess 5 a And fits below the upper surface of the cover 5.
[0027]
As shown in FIG. 4, a detaching inclined portion inclined toward the tip of the engaging piece 13b in a direction away from the other engaging piece 13b is provided on the edge of each engaging claw 13c on the body portion 13a side. 13e is provided, and on the inner surface side of the longitudinal edge of the engaging hole 5b, there is provided a detached inclined surface 5d inclined in a direction of expanding the engaging hole 5b toward the inner surface side of the container 3. I have. Further, a bending groove 13f along the engagement piece 13b is provided inside the base of the engagement piece 13b on the back surface of the main body 13a of the color chip 13.
[0028]
When removing the color chip 13 from the cover 5, first, the cover 5 is removed from the body 4. Since the projection 13g of each engagement piece 13b projects toward the inner surface side of the cover 5, it is only necessary to press each projection 13g with a finger in a direction in which the engagement pieces 13b approach each other as shown by an arrow F in FIG. As shown by the broken line in FIG. 5, each engagement piece 13b is bent in a direction approaching the other engagement piece 13b, and the engagement between the edge of the engagement hole 5b and the engagement claw 13c is easily released. When the engagement piece 13b is pulled out from the engagement hole 5b, the detachable inclined portion 13e moves along the detached inclined surface 5d, so that the color chip 13 can be easily removed. Further, since the engagement piece 13b is easily bent by the bending groove 13f, the attachment and detachment of the color chip 13 to and from the cover 5 can be easily performed.
[0029]
According to the above configuration, the color chip 13 is used as a marker indicating a system to which the plug insertion port 2a is connected, and the color chip 13 is detachable from the body 3, so that the system to which the plug insertion port 2a is connected can be used. Even if there is a change, replacement is easy. Further, since no pressure-sensitive adhesive is used, there is no fear of peeling due to deterioration of the pressure-sensitive adhesive. Further, while the color chip 13 is mounted on the body 3, the main body 13a is housed in the housing recess 5a, and the surface of the color chip 1 is located inside the outer surface of the cover 5, so that the impact from the outside may occur. There is little risk of damage due to such factors.
[0030]
(Embodiment 2)
In the first embodiment, the modular jack 1 including one jack body 2 in one body 3 is shown. However, the modular jack 1 in this embodiment is provided in one body 3 as shown in FIGS. A cover 5 is provided with two jack bodies 2, and a storage recess 5 a and an engagement hole 5 b corresponding to each jack body 2 are provided on the cover 5. A terminal cover 6 corresponding to each jack body 2, a door 9, The second embodiment differs from the first embodiment in that a back cover 10 and a coil spring 11 are provided. Other configurations are the same as in the first embodiment.
[0031]
As described above, as long as the storage recess 5a and the engagement hole 5b are formed at positions corresponding to the respective jack bodies 2, the present invention can be applied to any number of the jack bodies 2 stored in one body 3. The technical idea is applicable.
[0032]
FIGS. 8 and 9 show an example of a modular jack 1 having four jack bodies 2 and FIGS. 10 and 11 show an example of a modular jack 1 having six jack bodies 2 as another embodiment of the present embodiment. Show. In these two examples, knockout portions 4f, which are thin plate-like portions, are provided upright on both side edges and a rear edge of the body 4, and the cover 5 is provided with notches corresponding to the knockout portions 4f. I have. Knockout portion 4f can be used as an outlet for an electric wire connected to jack body 2 by breaking the thin portion.
[0033]
According to these configurations, a color chip 13 can be attached to one modular jack 1 in correspondence with each jack main body 2, and the system to which each modular jack 2 is connected can be identified. Misconnection can be prevented by attaching a mark.
[0034]
【The invention's effect】
The invention according to claim 1 is characterized in that a body comprising a body holding a jack body having an opened plug insertion opening for inserting a modular plug, a cover coupled to the body and covering the jack body, and a colored member. The cover has an engaging portion, the body has an engaged portion with which the engaging portion is engaged, and the cover has an engagement portion and the engaged portion. The body and the cover form the body by engagement, and a pair of engagement pieces project from the main body in the same direction on the color chip, and are located at positions corresponding to the plug insertion ports in the cover. Is provided with an engagement hole into which the engagement piece is inserted, and each engagement piece is provided with an engagement claw projecting in a direction in which the engagement pieces are arranged and in mutually different directions. Is flexible, between the main body and the engagement claw. The color chip is held by the cover by sandwiching the edge of the engagement hole, and the cover inner surface is pressed to the direction of the engagement hole with a finger in a state where the color chip is held by the cover. Since the projecting portion projecting more inward is provided at the tip of the engagement piece, even if the system of the connection destination of the plug insertion port is changed, the color chip as a marker indicating the system of the connection destination is used Replacement is easy. Further, since no pressure-sensitive adhesive is used, there is no fear of peeling due to deterioration of the pressure-sensitive adhesive. Further, since the engagement between the engagement claw and the engagement hole can be released only by pushing the tip of the engagement piece with a finger, the color chip can be easily removed.
[0036]
According to a second aspect of the present invention, in the modular jack according to the first aspect, a protruding dimension of the engaging claw toward a base of the engaging piece is provided at an edge of each of the engaging claws near a tip of the engaging piece. A mounting inclined portion is provided that is inclined in a direction in which the engaging tab is inserted into the engaging hole when the engaging piece is inserted into the engaging hole on an outer surface side of an edge of the engaging hole. Since the mounting inclined surface inclined in the direction in which the engaging hole is widened toward the side is provided, the engaging claw is guided by the mounting inclined portion and the mounting inclined surface, thereby facilitating attachment of the color chip. .
[0037]
According to a third aspect of the present invention, in the modular jack according to the first or second aspect, in each of the engagement claws, a portion of the engagement claw near a base of the engagement piece projects from the tip of the engagement piece. A detached inclined portion inclined in a direction of increasing the size is provided, and the engaging hole is expanded toward the inner surface of the cover at a portion of the inner surface of the edge of the engaging hole that abuts on the engaging claw. Since the detachable inclined surface inclined in the direction is provided, the engaging claw is guided by the detachable inclined portion and the detachable inclined surface, so that the color chip can be easily removed.
[0039]
The invention according to claim 4, insertion in modular jack according to any one of claims 1 to 3, wherein a vicinity of the engaging piece of the main body portion, the engaging piece with the engaging hole When the engaging piece is bent, a bending groove extending in a direction intersecting the bending direction of the engaging piece is formed on the side on which the engaging piece is bent, so that the engaging piece is easily bent, and thus the color chip is attached. And easy to remove.
[0040]
The invention of claim 5 is the modular jack according to any one of claims 1 to 4, housing recess the cover the color chip the body portion in a state of being held in the cover is accommodated The main body portion is located inside the cover more than the opening surface of the storage recess, so that the color chip is prevented from being damaged due to an external impact or the like while the color chip is held by the cover .
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of the present invention.
FIG. 2 is an exploded perspective view showing the same.
FIG. 3 is a sectional view of a main part showing the same.
FIG. 4 is a sectional view of a main part showing the same.
FIG. 5 is a sectional view of a main part showing the same.
FIG. 6 is a perspective view showing Embodiment 2 of the present invention.
FIG. 7 is an exploded perspective view showing the same.
FIG. 8 is a perspective view showing another embodiment of the second embodiment of the present invention.
FIG. 9 is an exploded perspective view showing the same.
FIG. 10 is a perspective view showing still another embodiment of the second embodiment of the present invention.
FIG. 11 is an exploded perspective view showing the same.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Modular jack 2 Jack main body 2a Plug insertion opening 3 Body 5a Storage recess 5b Engagement hole 5c Mounting inclined surface 5d Removal inclined surface 13 Color chip 13a Main body 13b Engaging piece 13c Engaging claw 13d Mounting inclined portion 13e Removal inclined portion 13f Flexure groove 13g Projection

Claims (5)

A body consisting of a body holding a jack body having an opened plug insertion opening for inserting a modular plug, a cover coupled to the body and covering the jack body, and a color chip formed by a colored member. The cover has an engaging portion, the body has an engaged portion with which the engaging portion engages, and the body and the body are engaged by the engagement of the engaging portion and the engaged portion. The cover constitutes the body, and a pair of engaging pieces project from the main body in the same direction on the color chip, and the engaging pieces are inserted into the cover at positions corresponding to the plug insertion openings. An engagement hole is provided, and each engagement piece is provided with an engagement claw projecting in a direction in which the engagement pieces are arranged and in mutually different directions, and each engagement piece is flexible, Edge of the engagement hole between the main body and the engagement claw Thus, the color chip is held by the cover, and in a state where the color chip is held by the cover, a protruding portion projecting inward from the inner surface of the cover to the extent that it can be pressed by a finger in the direction of the engagement hole is provided. A modular jack provided at a tip of the engagement piece . In each of the engaging claws, a mounting inclined portion which is inclined toward a base portion of the engaging piece in a direction in which a protruding dimension of the engaging claw is increased is provided on an edge near a tip end of the engaging piece. At the outer surface side of the edge of the mating hole, when the engaging piece is inserted into the engaging hole, a portion that comes into contact with the engaging claw is inclined in a direction in which the engaging hole is widened toward the outer surface side. The modular jack according to claim 1 , wherein a surface is provided . In each of the engaging claws, a portion near the base of the engaging piece is provided with a detached inclined portion inclined toward a tip of the engaging piece in a direction in which the protruding dimension of the engaging claw is increased. claims the abutting portion before Kigakarigotsume Te inner surface odor edges, characterized in that the removal inclined surface inclined in a direction to widen the engagement hole toward the inner side of the cover is provided The modular jack according to claim 1 or 2. In the vicinity of the engagement piece of the main body, on the side where the engagement piece bends when the engagement piece is inserted into or removed from the engagement hole, intersects with the bending direction of the engagement piece. The modular jack according to any one of claims 1 to 3, wherein an extended bending groove is formed . A storage recess in which the main body is housed is provided in the cover in a state where the color chip is held in the container, and the main body fits inside the cover with respect to an opening surface of the housing recess. modular jack according to any one of claims 1 to 4,.

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