JP2655019B2 - Modular connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a modular connector incorporating a toroidal type common mode choke coil for preventing electromagnetic interference.

[0002]

2. Description of the Related Art In a modular connector used for terminal equipment in an integrated digital communication network, a common mode choke coil in which four electric wires are wound around a toroidal core at the same time is connected in series between connector conductors in an integrated structure. There is a so-called modular connector, which prevents the occurrence of electromagnetic interference. FIG. 4 shows a state in which a conventional modular connector is being assembled. This modular connector has a structure in which connector conductors 103 and 104 obtained by dividing a P-type conductor into two are fitted into a slit 102 of a connector main body 101. The connector conductor 103 has enlarged portions 103a and 103b at corners and ends, and is bent at an obtuse angle. The connector conductor 104 has an enlarged portion 104a at the end and an obtuse angle at the right-angle bent portion. Enlarged portion 103 at the end of connector conductors 103 and 104
b and 104a are used for connecting to the connector, and the bulging portion 103a at the corner of the connector conductor 103 is connected to the connector body 101.
This is for securing the hanging length of the connector conductor 103 from above. The connector conductors 103 and 104 are fitted to the four slits 102 at the center of the connector main body 101 such that the ends protrude into the concave portion 106 above the connector main body 1. 4
A toroidal type common mode choke coil 107 having three windings is placed in a concave portion 106 and the end of the winding is connected to a conductor 10.
3, 104 and were connected by soldering.

[0003]

In the conventional modular connector, the work of directly connecting the ends of the connector conductors 103 and 104 is performed by arranging the connector conductors so as to be wider than the interval between the slits as shown in FIG. Do it again. However, in conventional modular connectors, since the ends of the connector conductors are large, the interval between these ends is small, so that the assembly operation is difficult, and requires a large number of skilled workers and many man-hours, resulting in low productivity. There is. Therefore, an object of the present invention is to provide a modular connector equipped with a common mode choke coil which is easy to assemble and has high productivity.

[0004]

According to the present invention, a common mode choke coil formed by winding a plurality of windings around a single core is accommodated in a case and partially protrudes outside the case. In a modular connector in which a plurality of connector conductors are respectively connected to ends of the windings, a plurality of locking projections are formed on an outer peripheral portion, and a plurality of conductor insertions for inserting the ends of the connector conductors. A tongue-shaped terminal is fixed to the locking projection of the substrate having the hole, and a substantially ring-shaped ring-shaped terminal is fixed around the conductor insertion hole;
A wiring board having a connection lead wire for connecting the tongue-shaped terminal and the ring-shaped terminal fixed to the board ;
Placing the wiring board in the case while placing the wiring board on the wiring board and connecting the end of the winding to the tongue-shaped terminal by soldering with the locking projection of the wiring board being cut off;
And connecting the connector conductor to the ring-shaped terminal by soldering in a state where the connector conductor is inserted through the conductor insertion hole.
Therefore, the common mode choke between the connector conductors
Thus , a modular connector to which a coil is connected is obtained.

[0005]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. In FIG. 1, the connector body 1 includes a case 1a and a partition plate 1b. The connector body 1 has a concave portion 2 at the upper part. The recess 2 has no side wall on the back side of the connector body 1, a step 5 is provided on the side wall on the front side of the connector body 1, and small steps 3 of square bars are provided at four internal corners. I have. The connector body 1 has a slit 4 extending from the bottom and back to the bottom of the recess 2, a slit 7 extending from the bottom and step 5 of the recess 2 to the socket hole 6 on the front, and a slit 7 extending from the slit 4 to the socket hole 6. Four slits 8 are formed in a predetermined arrangement.

[0006] The connector conductors 9 and 10 are formed by dividing a substantially P-shaped conductor at the center of a horizontal portion and dividing it into two parts. FIG. 1 shows the two connector conductors 9 and 10 in a fitted state, and the two connector conductors 9 and 10 before being fitted. One connector conductor 9 is fitted into the slit 4 with its end largely protruding above the step 5 from the bottom of the recess 2, and hangs down in two rows below the connector main body 1. The other connector conductor 10 is fitted to the slits 7 and 8 with its end slightly projecting upward from the step 5.

The wiring substrate 11 has four tongue-shaped locking projections 11b formed at regular intervals on the outer periphery of a rectangular substrate 11a fitted in the recess 2 as shown in FIG. A plurality of conductor insertion holes 11c are formed. Wiring board 11
Are provided on the bottom surface of the wiring pattern shown in FIG. That is, fixing a tongue terminals 11d extending slightly toward the center covers it in retaining tongue pieces 11b of the substrate 11a, the conductor insertion hole 11 c of the substrate 11a
Are fixed around the periphery of the tongue-shaped terminal 11d (two of the eight terminals are shown as cut terminals).
And the ring-shaped terminal 11e are connected by a connecting conductor 11f, and
The connection conductor 11f is fixed to the substrate 11a.

The ring-shaped terminal 11e faces the bottom of the recess 2 and the ends of the connector conductors 9, 10 projecting from the step 5. A central through-hole 11g is formed in the center of the substrate 11a. The center through hole 11g is a hole through which a screw rod for temporarily fixing the core 12 on the substrate 11a is inserted. The substrate 13 fits into the recess 2 and closes the upper opening.

[0009] The modular connector of the present invention is assembled as follows.
As shown in FIG. 2, the core 12 is placed on the surface of the substrate 11a, temporarily fixed with a screw bar, the end of the winding 121 is tied to the locking projection 11b, and fixed to the tongue-shaped terminal 11d with solder. ,And,
Remove the temporary fixing. When the wiring board 11 is fitted into the concave portion 2 of the connector body 1 with the back surface facing upward as shown in FIG. 1, the core 12 is accommodated in the concave portion 2 as shown in FIG.
The ends of the connector conductors 9 and 10 are inserted through the conductor insertion holes 11c, and the board 11a is brought into contact with the step portion 5. While maintaining this state, the ring-shaped terminal 11e and the connector conductors 9 and 10 are connected by soldering. The side surface of the small step portion 3 on the rear side of the wiring board 11 is engaged with the outermost locking projection 11b, so that deviation to the rear side is prevented. An adhesive is applied to the small step portion 5 and the substrate 1
3 is fitted into the recess 2 and fixed to the connector main body 1 to complete the assembly. The substrate 13 may be fixed by other means such as a locking claw or an engagement piece.

[0010]

The common mode choke coil of the present invention
Since the mounted modular connector has a configuration with a wiring board, the work can be divided into a combination of a wiring board and a coil and a combination of a wiring board and a connector body.
In addition, since the ends of the windings need only be tangled to the locking projections of the wiring board, it is not necessary to tie the ends of the windings to the connector conductor having a small interval, so that the assembling work is easy. Therefore, productivity is high.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of the present invention.

FIG. 2 is a perspective view showing the wiring board in FIG. 1 upside down.

FIG. 3 is a sectional view showing one embodiment of the present invention.

FIG. 4 is a perspective view showing a main part of a conventional modular connector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector main body 1a Case 9, 10 Connector conductor 11 Wiring board 11a Substrate 11b Locking protruding piece 11c Conductor insertion hole 11d Tongue-shaped terminal 11e Ring-shaped terminal 11f Connection conductor 12 Core 121 Winding

Continued on the front page (72) Yoshimitsu Nishino, Inventor 1-21-6 Dogenzaka, Shibuya-ku, Tokyo Inside Japan Aviation Electronics Industry Co., Ltd. (72) Yoshiaki Ito 1-21-6 Dogenzaka, Shibuya-ku, Tokyo Japan Japan Aerospace Exploration Co., Ltd. (56) References JP-A-4-47289 (JP, U) JP-A-4-91087 (JP, U) JP-A-4-24282 (JP, U) JP-A 64-20690 (JP, U) Japanese Utility Model Hei 3-73408 (JP, U) Japanese Utility Model Hei 2-68538 (JP, U)

Claims (1)

(57) [Claims] 1. A housing for accommodating a common mode choke coil formed by winding a plurality of windings around a single core, and connecting a plurality of connector conductors partially projecting out of the case to the respective windings. In a modular connector connected to an end, a plurality of locking projections are formed on an outer peripheral portion, and a plurality of locking projections are formed on a substrate having a plurality of conductor insertion holes for inserting ends of the connector conductor. A tongue-shaped terminal is fixed to the piece, a substantially ring-shaped ring-shaped terminal is fixed around the conductor insertion hole, and a connecting wire connecting the tongue-shaped terminal and the ring-shaped terminal is fixed to the substrate. The core is mounted on the wiring board in advance.
The wiring board is housed in the case in a state where the end of the winding is wound on the locking projection of the wiring board and connected to the tongue terminal by soldering, and the conductor insertion hole is inserted into the case. By connecting the connector conductor to the ring-shaped terminal with solder while the connector conductor is inserted, the space between the connector conductors is increased.
A modular connector to which the common mode choke coil is connected .