JPS5925108Y2 - jack board - Google Patents

Description

[Detailed description of the invention] This invention relates to a box-shaped jack panel used for various telecommunication lines.

Japanese Patent Application Laid-Open No. 49-89186 discloses a conventional jack board that can be provided with any desired number of lines, is easy to assemble and wire, and is miniaturized.

The jack board disclosed in JP-A No. 49-89186 has a flat rectangular shape that has line jack holes and ground jack holes for multiple lines on a flat surface, and is divided into front and back sides by a partition plate provided approximately in the middle. A case body is provided, and a jack terminal of a wiring board with a jack terminal and a line terminal is provided from directly below the line jack hole provided on the plane on the surface of the case body, and one side of the case body In addition to having a line terminal protrude from the back case, a jack terminal of a wiring board with a jack terminal and a line terminal is provided from directly below the line jack hole similarly provided in the plane on the back side of the case. A line terminal is protruded from one side of the case, and a ground plate is provided in at least one of the front and back cases via an insulating plate from the wiring board having the jack terminal and the line terminal, and a ground plate is provided from the ground plate through an insulating plate. An earth jack terminal is arranged directly below the earth jack hole of each line provided on the plane, the earth plate is led out to the outside of the case body, and a connecting hole is provided in the partition plate. , a jack board device is shown in which a plurality of jack boards each consisting of a case body can be integrated with a connecting rod.

However, in this jack board, when the terminal of the plug-in protector is inserted into the jack hole of the jack board, the line is closed, but when the plug-in protector is removed from the jack board, the line is closed. Controlled open.

For this reason, there was a drawback that it could not be used in cases where a non-instantaneous disconnection mechanism for controlling the line to be closed when the plug-in protector was removed from the jack panel was required.

Therefore, the present invention is designed to switch between cases in which the line is controlled to open when the plug-in protector is removed from the jack board, and cases in which the line is not controlled to open even if the plug-in protector is removed from the jack board. The purpose is to provide a usable jack board.

Examples of this invention will be described below based on the drawings.

First, the overall structure of the jack board will be described based on FIGS. 1 to 3. The jack board case A consists of a jack board main body 1 in which terminals, electrical wiring, etc. are mounted, and a lid 11 to close the main body. A top plate 2 is erected at right angles to the upper end of the jack board main body 1, and sloped brand name strip arrangement parts 3 and 4 are provided at both ends of the top plate 2. Stigma strips 5 and 6 are arranged on the inclined surfaces of the piece arrangement parts 3 and 4, and a bottom plate 7 is arranged at right angles on the lower end of the jack board main body 1.
The bottom plate 7 is provided with a notch 9 into which a mounting angle 8 is fitted, and the side surface of the jack board body 1 is provided with a row of uneven protrusions 10 forming the side surface of the jack board.
is installed.

A lid 11 that covers the top surface of the jack board body 1 is disposed on the top of the jack board body 1, and on both sides of the bottom surface of this lid 11 there is a concave-convex shape that fits into a row of protrusions 10 provided on the jack board body 1. Further, from the right side of the jack board main body 1, an inner side terminal 13 is protruded from the projection row 10.12, and from the left side of the jack board main body 1, a projection row 10.12 is provided.
An outside line side terminal 14 is provided to protrude from 12.

Next, the arrangement of the jack holes into which the respective terminals of the plug-in protectors 60 arranged on the top plate 2 of the jack board body 1 are inserted will be described. This jack board has four plug-in protectors 60. The jack hole of the plug-in protector 60 disposed at the left end of the plug-in protectors 60 has a hole TD for the line jack inside the office located at the left end of the upper row. A hole E for an earth jack is provided at a distance from the hole TD, a hole RD for a line jack inside the office is provided at a distance from the hole E for the earth jack, and a hole RD for a line jack inside the office is provided in the lower row. An outside line jack 7LTL is provided at a position between TD and the ground jack hole E, and an outside line jack hole 7LTL is provided at an intermediate position between the earth jack hole E and the office side line jack hole RD. RL is provided.

The same jack holes as the jack holes for the first plug-in protector 60 are sequentially arranged on the right side for the second to fourth plug-in protectors 60.

Next, the structure inside the jack board will be described based on FIG.
0 is provided, and this terminal frame 20 is provided with an insertion hole 21 at the position of the jack hole provided in the top plate 2. In order to form this insertion hole 21, a partition plate is provided in the terminal frame 20. 22 are arranged at intervals, this partition plate 22 is arranged shorter than the length of the terminal frame 20, and the contact 50 is arranged in the insertion hole 21 formed by the partition plate 22. There is.

And inside the lower part of the terminal frame 20 is a double-sided printed circuit board 40.
The upper end portion of the double-sided printed circuit board 40 is inserted into the upper end portion, and connection portions to be connected to the contacts 50 disposed within the terminal frame 20 are arranged.

This double-sided printed circuit board 40 is housed in the jack board main body 1, and a central terminal 13 is provided at the right end of the double-sided printed circuit board 40, and this central terminal 13 projects from the protrusion row 10° 12. An external line side terminal 14 is provided at the left end of the double-sided printed circuit board 40, and this external line side terminal 14 is provided to protrude from the protrusion row 10.12.

Furthermore, a notch 41 is provided approximately at the bottom end of the double-sided printed circuit board 40.
is provided, and the protrusion 16 that engages with the notch 41 is located on the bottom plate 7.
A long groove 17 is provided in the center of the protrusion 16 in the vertical direction, and a wall portion 18 is provided in the horizontal direction in the long groove 17. screw 18
a is provided, and ground terminals 15 are provided at both ends of the protrusion 16.
A recessed groove 16a into which is inserted is provided.

The ground terminal 15 of the double-sided printed circuit board 40 is inserted into this groove 16a, and a through hole 15a is bored in this earth terminal 15 at the position of the long groove 17, and the mounting angle 8 is inserted through this hole 15a. The female screw 15b for fixing the wall 1
It is screwed into the female thread 18a of No.8.

Next, the structure of the double-sided printed circuit board 40 will be described based on FIG.
D1-1 is arranged at the bottom left end of the double-sided printed circuit board 40 with the front surface inclined, connected to the back surface of the double-sided printed circuit board 40 at the bottom left end, and arranged substantially perpendicularly to the back surface of the double-sided printed circuit board 40. Connecting portion D1 wired to the upper left end of the back surface of the double-sided printed circuit board 40 using the wire TD1-2 provided.
-3 is connected.

A double-sided printed circuit board 40 is adjacent to this connecting portion D1-3.
A connecting portion TL1-1 is provided on the surface of the connecting portion TL.
1-1, a wiring TL12 is arranged, and this wiring T
L1-2 is connected to an external line side terminal TL1 disposed at the top left end of the double-sided printed circuit board 40.

Also, a double-sided printed circuit board 40 is located adjacent to the connection portion TL1-1.
A connecting portion E1 is provided on the back surface of the double-sided printed circuit board 40, and a wiring E1-1 is connected to this connecting portion E1 and is arranged substantially vertically on the back surface of the double-sided printed circuit board 40, and is fixed to the lower end of the double-sided printed circuit board 40. It is connected to the ground terminal 15.

Furthermore, the wiring RD1-1 connected to the terminal RD1 fixed to the right end of the double-sided printed circuit board 40 is arranged at the lower left end with the surface of the double-sided printed circuit board 40 tilted. 40, and is connected to a connecting portion RD1-3 arranged at the upper end of the back surface of the double-sided printed circuit board 40 through a wiring RD1-2 arranged substantially perpendicular to the back surface of the double-sided printed circuit board 40.

The surface of the double-sided printed circuit board 40 has a connecting portion RL1-. is provided, and a wiring RI, 12 is provided connected to this connection portion RL1-1, and this wiring RL1-2 is connected to the double-sided printed circuit board 40.
It is connected to the outside line side terminal RL1 arranged at the left end of the line.

This local terminal TD1. RD, and external line side terminal TL,
, RL, the local terminals TD2゜RD2 to TD
4. RD4 and outside line side terminal TL2. RL2 to TL4.
RL4 is arranged on the double-sided printed circuit board 40.

Next, the structure of the terminal frame 20 will be described based on FIGS. 6 to 8. First, in FIG. Regarding the structure, an outer wall 21 is provided at the leftmost end, and a hole T for a line jack inside the office is provided on the right side of this outer wall 21.
A hole TL for an outside line jack is provided in the hole TD for the outside line jack, and a hole TL for the outside line side line jack is installed in the hole TL for the outside line jack, which is spaced apart from the hole TD for the outside line jack. An earth jack hole E is provided through the
An outside line jack hole RL is provided in this earth jack hole E and is spaced to the right with the partition portion 22 interposed therebetween.
A center side line jack hole RD is provided in this outside line side line jack hole RL, which is spaced to the right with the partition portion 22 interposed therebetween.

and side wall portions 23 disposed above and below the terminal frame 20.
Side holes 25 and 26 are bored in the side wall portion 24 located at the lower part of the terminal frame 24 at the positions of the outside line jack holes TL and RL, and are detachably arranged on the terminal frame 20 to connect the outside line jacks to the outside line TL. The contact plate 30 for connecting the local line TD has a first contact wall 31 disposed at the position of the side hole 25 bored in the outside line jack hole TL, and is connected to the first contact wall 31. The second contact wall 32 is arranged on the upper side wall of the inner line jack hole TD.

Further, a contact plate 30 for connecting the outside line side line RL and the local side line RD is removably arranged on the terminal frame 20, and the first contact wall 31 of this contact plate 31 is connected to the side wall of the outside line side line jack hole RL. arranged at the position of the side hole 26 bored in the
A second contact wall 32 connected to the first contact wall 31 is provided on the upper side wall of the inner line jack hole RD.

Next, based on FIG. 7, the hole TD for the line jack inside the office,
Regarding the structure of RD, the inner line jack holes TD and RD are provided with side walls 23 and 24 spaced apart on the left and right, and a locking member 50 is locked at an intermediate position of the side wall 24. The second contact wall 32 of the contact plate 30 is disposed in close contact with the upper part of the side wall 23 .

The contacts 50 disposed in the inner side line jack holes TD and RD have a substantially inverted U-shaped terminal receiving part 51 of the plug-in protector 60 formed at one end, and the tip of this terminal receiving part 51 is formed at one end. An intermediate horizontal portion 52 is arranged so as to be in contact with the second contact wall 32 of the contact plate 30 facing into the inner line jack holes TD and RD, and is connected to the terminal receiving portion 51.
is locked on the locking part 28, and the printed circuit board contact part 53 at the other end connected to the horizontal part 52 is connected to the connecting part of the double-sided printed circuit board 40 whose upper end is inserted into the lower part of the terminal frame 20. has been done.

Next, based on FIG. 8, the outside line jack hole TL,
Regarding the structure of RL, the outside line jack holes TL and RL are spaced apart from each other with side walls 23 and 24 facing each other on the left and right sides, side holes 25 and 26 are bored in the side walls 24, and these side holes 25 and 24 are provided with side walls 23 and 24 facing each other. A first contact wall 31 of a contact plate 30 is disposed in close contact with the outside of the side wall 26, and a contact 5 is disposed at an intermediate position of the side wall 23.
A locking portion 28 for locking 0 is protrudingly provided, and a hole TL for an outside line jack.

The contactor 50 disposed in the RL has a substantially inverted U-shaped terminal receiving part 51 of the plug-in protector 60 formed at one end, and the tip of this terminal receiving part 51 is connected to the outside line jack hole TL,
Contact plate 30 exposed through side holes 25 and 26 in RL
The middle horizontal part 52, which is arranged so as to be in contact with the first contact wall 31 of the terminal receiving part 51 and is connected to the terminal receiving part 51, is locked on the locking part 28, and the other part is connected to the horizontal part 52. The printed circuit board contact portion 53 at the end is connected to the connection portion of the double-sided printed circuit board 40 whose upper end is inserted into the lower part of the terminal frame 20.

Next, the structure of the earth jack hole E is not shown in the figure.
This structure is the same as the structure in which the contact plate 30 is not provided in the inner line jack holes TD and RD shown in the figure.

Next, the contact plate will be described based on FIGS. 7 and 8. When the contact plate 30, which is removably disposed on the terminal frame 20, is attached, the plug-in protector 60 is not inserted. However, in the outside line jack holes TL and RL, the tip of one end of the contactor 50 is pressed against the first contact wall 30 of the contact plate 30 by the spring action of the approximately inverted U-shaped terminal receiving portion 51, as shown by the solid line. is in contact with.

Further, the second contact wall 32 of the contact plate 30 comes into contact with the tip of one end of the contact 50 in the inner line jack holes TD and RD due to the spring action of the approximately inverted U-shaped terminal receiving portion 51. ing.

Therefore, the contact 50 disposed in the line jack hole TD inside the office, the contact 50 arranged in the outside line jack hole TL, and the contact 50 arranged in the line jack hole RD inside the office. The contacts 50 disposed in the outside line jack hole RL are kept in electrical contact via contact plates 30 and 30, respectively.

Furthermore, when the plug-in protector 60 is inserted in this state, as shown by the chain line, the outside line jack hole TL,
Inside the RL, the tip of one end of the contact 50 is shaped like an approximately inverted U.
Due to the spring action of the letter-shaped terminal receiving portion 51, the contact plate 30
It is separated from the first contact wall 31 and comes into contact with the outside line plug 67 of the plug-in protector 60.

Furthermore, in the inside line jack holes TD and RD, there is a hole.

The plug 68 on the inside of the plug-in protector 60 is in contact with the tip of one end of the contactor 50.

For this reason, the connection circuit by the contact plate 30 is broken, and the contact 50 disposed in the line jack hole TD on the central office side and the contact 50 disposed in the line jack hole TL on the outside line side through the plug-in protector 60 , hole RD for line jack inside the station
Contactor 50 and outside line jack hole R arranged in
The contactor 50 disposed at L is connected.

To describe this relationship based on FIG. 9 regarding the connection of one line between the plug-in protector 60 and the jack board 1, when the plug-in protector 60 is not installed, the station side terminal TD
, and the outside line terminal TL are in a closed state because the contact 50 disposed in the inner line jack hole TD and the contact 50 disposed in the outer line jack hole TL are short-circuited by the contact plate 30, respectively. The terminal RD1 on the inside of the office and the terminal RL on the outside line are connected.

Since the contact 50 disposed in the inner line jack hole RD and the contact 50 disposed in the outer line jack hole RL are short-circuited by the contact plate 30, they are connected in a closed state.

And overvoltage protection elements 61 and 62, overcurrent protection element 6
3.64, if a plug-in protector 60 with monitor sockets 65, 66, etc. is installed, the terminal inside the station TD,
and outside line side terminal TL.

Since the contact plate 30 is no longer electrically interposed between the terminals RD and RD, they are connected via the plug-in protector 60, that is, via the overcurrent protection element 64, without causing a direct short circuit. and the external line side terminal RL are also connected via the overcurrent protection element 63 of the plug-in protector 60.

Next, when the contact plate 30 is not attached to the terminal frame 20, the tip of one end of the contact 50 simply contacts the side hole 25, 26, and is not disposed in the inner line jack hole TD. The contact 50 disposed in the outside line jack hole TL, the contact 50 disposed in the office side line jack hole RD and the outside line jack hole RL.
The contactor 50 disposed at is maintained in an open state.

Next, when the plug-in protector 60 is inserted, the outer line side plug 67 of this plug-in protector 60 is inserted into the outer line side jack holes TL and RL as shown by the chain lines, and the outer line side plug 67 of the plug-in protector 60 is inserted into the outer line side plug 67 of the contactor 50 as shown by the chain line. The spring action of the letter-shaped terminal receiving portion 51 brings it into contact with the tip of one end of the contact 50 .

There is also a hole TD for the line jack inside the station. In the RD, the inner plug 68 of the plug-in protector 60 is connected to the tip of one end of the contact 50 by the spring action of the approximately inverted U-shaped terminal receiving portion 51 of the contact 50, as shown by the chain line. Contact.

Thus, the station side terminal TD1 and the outside line side terminal TL1 are brought into contact with each other via the plug-in protector 60, and a closed connection is maintained for the first time in this state.

To describe this relationship based on FIG. 10 for the connection of one line between the plug-in protector and the jack board 1, when the plug-in protector 60 is not installed, the station side terminal TD and the outside line side terminal TL1 are normally is connected in the open state, and the local terminal RD
.

and the outside line side terminal RL1 are also normally connected in an open state.

When the plug-in protector 60 is inserted, the station side terminal TD1 and the outside line side terminal TL1 are connected via the overcurrent element 64, and the station side terminal RD1 and the outside line side terminal RL1 are connected via the overcurrent element 63. and keep the connection closed for the first time.

As mentioned above, the jack board of the present invention can be used to control the circuit closing for the first time when a plug-in protector is inserted into the jack board by attaching and removing the contact plate to the terminal frame. It is now possible to switch between using a non-instantaneous disconnection mechanism that controls the circuit to close without inserting an in-protection device.

[Brief explanation of the drawing]

The drawings show examples, and FIG. 1 is a front view of the jack board;
Figure 2 is a plan view, Figure 3 is a side view, Figure 4 is a front view with part of the jack board removed, Figure 5 is a front view of both printed circuit boards, and Figure 6 is a part of the terminal frame. Plan view, Figures 7 and 8
The figure is a sectional view of the terminal frame with the terminal of the plug-in protector inserted, and FIGS. 9 and 10 are connection circuit diagrams of the plug-in protector for one line of the jack board.

Claims (1)

[Scope of utility model registration request] Two in-office line jack holes TD and RD for one line
and at least one or more jack hole group consisting of outside line side line jack holes TL, RL and one ground jack hole E, and one of the above jack hole groups has one side line jack hole In each combination of TD and outside line jack hole TL, and the other central office side line jack hole RD and outside line side line jack hole RL, side holes 25 and 26 are provided on the side of at least one jack hole.
The terminal frame 20 with the above-mentioned terminal frame 20 is disposed inside the jack board case A with its jack holes opened to the outside, and a part of the terminal frame 20 is formed into the above-mentioned central line jack hole TD and outside line jack hole TL, respectively. , the above-mentioned side hole 25 is inside the inner line jack hole RD and the outer line side line jack hole RL.
．． 26, a contact plate 30, 30 exposed through the jack hole is removably attached to the terminal frame 20, and each jack hole is provided with a contact plate 30, which is exposed through the contact plate 30.30. A contactor 50 to be contacted is arranged, and the contactor 50 is arranged at least in the inner line jack holes TD, RD and the outer line side line jack holes TL, RL.
The terminal receptacle 51 of the plug-in protector 60 at one end is shaped like an inverted U.
The other end of the contact 50 arranged in each jack hole group is arranged in the jack board case A, and the tip of the contact plate 30 is brought into contact with the contact plate 30, 30. It is characterized in that it is brought into contact with a contact portion of a double-sided printed circuit board 40 provided with predetermined wiring interposed therebetween in order to connect to the station side terminal 13, outside line side terminal 14, and ground terminal 15 arranged outside the main body 1. Jack board.