JPH08203617A - Electric connector - Google Patents

Abstract

PURPOSE: To facilitate the setting of an earth, and make it possible to conduct the earth through something besides a board so as to improve the certainty of an earth connection. CONSTITUTION: An electric connector is provided with a mold base body 14 including a predetermined number of contact pins 12 and a shielding case 20 capping the peripheral surface of the mold base body 14 so as to cover the same. A fitting leg portion 24 to a wiring board 5 is provided on a shielding case 20, and the fitting leg portion 24 is utilized as an earth terminal. A bending pressure contact piece 27 bending in a parting direction from a mold base body 14 is provided, and the bending pressure contact piece 27 is used as the earth terminal which is elastically put in pressure contact with a shielding plate 32 set in the housing 30 of an electronic apparatus in which an electric connector 10 is disposed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector in which a shield case is covered so as to cover an outer peripheral surface of a mold substrate containing a predetermined number of contact pins, and more particularly,
The present invention relates to a device that enables reliable and effective ground setting.

[0002]

2. Description of the Related Art In this type of electrical connector, one of the contact pins is usually used as a ground terminal, and the ground terminal is grounded through a wiring board. Further, when grounding the shield case, it is common to consider setting the ground depending on the shape of the connector. Therefore, the shield case is usually grounded only through the wiring board.

[0003]

However, in the conventional electric connector as described above, since the ground is taken only through the wiring board, it is difficult to set the ground, and there are many cases where the ground is insufficient. A measure that can improve the reliability of the connection is desired.

In view of the above point, the present invention provides an electrical connector which can easily set the ground and can obtain the ground through a portion other than the substrate to improve the reliability of the ground connection. To aim.

[0005]

In order to achieve the above-mentioned object, an electric connector according to the present invention is covered so as to cover a mold base containing a predetermined number of contact pins and an outer peripheral surface of the mold base. And a shield case, wherein the shield case is provided with a foot portion for attachment to a wiring board, the foot portion for attachment is used as a ground terminal, and the bending press contact piece is bent in a direction away from the mold base. Is provided, and the bent pressure contact piece is used as a ground terminal that is elastically pressure-contacted with a shield plate provided in a housing of electronic equipment in which the electric connector is disposed. It is characterized by being.

In this case, it is preferable to form the bent press-contact piece in a "F" shape.

[0007]

In the electrical connector according to the present invention having the above-mentioned structure, the mounting foot portion is soldered to the substrate to be used as a ground terminal, and the bending pressure contact piece portion provided on the shield case is used. Is used as a ground terminal that is elastically pressed into contact with a shield plate provided in a housing of electronic equipment in which the electric connector is arranged, so that the ground can be easily set. The ground can be obtained through other than the substrate, and as a result, the shield case can be grounded from various directions, and the reliability of the ground connection is improved.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the external appearance of an embodiment of an electric connector according to the present invention.
A shield case 20 having a substantially rectangular tube-shaped main body portion 21 is formed so as to cover the outer peripheral surface of the front surface of the mold base 14 in which a predetermined number (here, 34) of contact pins 12 bent into an L shape are built. It is fitted over. It should be noted that any one of the contact pins 12 (here, both ends thereof) is used as a ground terminal, and the ground terminal is grounded through the wiring board 5.

Further, the shield case 20 has a structure shown in FIG.
As can be seen by referring to FIG. 5 and FIG.
Are projected downward, and the mounting foot portions 24,
24 is soldered to the wiring board 5 and is used as a ground terminal connected to the ground through the board 5.

In addition to this, in this example, the mold base 1 is bent again in a direction away from the mold base 14 by two lines on the upper surface side of the main body 21 of the shield case 20.
"F" -shaped bent pressure contact pieces 27, 2 that bend to the 4 side
7 are provided. The bent pressure contact pieces 27, 27 are
As shown in FIG. 6, a shield plate 32 provided in a housing 30 of electronic equipment in which the electric connector 10 is arranged.
It is designed to be used as a grounding terminal that can be elastically pressed against.

Bolt screw holes 19, 19 for mounting and fixing the electric connector 10 to the substrate 5 are provided at the rear portions of both sides of the mold base 14.

Further, bolt screw holes 15 and 15 are formed on both side portions 14A and 14A of the mold base 14 along the fitting direction of the connector 50 (FIG. 6) as a mating member (see FIGS. 7 and 7). 8 also), the bolt screw hole 1
The bolt 45 is screwed so as to be orthogonal to 5 and 15, FIG.
The rectangular housings 16 and 16 into which the square nuts 40 and 40 provided with the female threaded portion 42 as shown in FIG. Connection tongues 28, 28 extending rearward from both upper ends of 21 are inserted and brought into contact with the square nuts 40, 40. 1
6b is an insertion hole into which the connection tongue piece 28 is inserted.

In this case, the square nut 40 is attached to the rectangular housing 1
6 has a convex portion 41 formed on one side portion of the square nuts 40, 40 to stably hold the rectangular nut 40.
6, 6 and 16 are formed with concave portions 16a into which the convex portions 41 are fitted.

In the electrical connector 10 of the present embodiment having the above-described structure, the mounting foot portion 24 is soldered to the substrate 5 and used as a ground terminal, and
Bending pressure contact pieces 27, 2 provided on the shield case 20
Since 7 is used as a ground terminal that is elastically pressed into contact with a shield plate 32 provided in a housing 30 of an electronic device in which the electric connector 10 is arranged, the ground setting is required. In addition to being easy, the ground can be obtained through a portion other than the substrate 5, and as a result, the shield case 20 can be grounded from various directions, and the reliability of the ground connection is improved.

Then, the connecting tongue pieces 28, 28 extended to the shield case 20 are inserted into the rectangular housing portions 16, 16 into which the square nuts 40, 40 are fitted and the square nut 4 is inserted.
0, 40 are brought into contact with each other, so that the square nut 40 and the bolt 45 screwed thereto are connected to the connecting tongue piece 2.
8, 28 and the shield case 20 provided therewith are connected to the ground, and the electrical isolated state is released.

Therefore, the square nut 40 and the bolt 45 screwed to the square nut 40 can be grounded reasonably and reliably, and as a result, noise is reduced.

When the bolt 45 is grounded separately from the above, the square nut 40 is used.
Also, since the shield case 20 is also connected to the ground via the bolt 45, the ground can be reliably grounded from various directions.

[0018]

As can be understood from the above description, in the electric connector according to the present invention, the ground can be set easily and the ground can be obtained through a portion other than the substrate, and as a result, the ground connection can be made. It has an excellent effect that the reliability can be improved.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of an electric connector according to the present invention.

2 is a front view of the embodiment shown in FIG.

3 is a side view of the embodiment shown in FIG.

4 is a cross-sectional view of the embodiment shown in FIG.

5 is a cross-sectional view showing the shield case of the embodiment shown in FIG.

FIG. 6 is a sectional view showing a fitting connection state of the embodiment of FIG.

FIG. 7 is a side view of FIG. 6;

FIG. 8 is an exploded schematic perspective view of a main part of FIG.

[Explanation of symbols]

 5 Wiring Board 10 Electrical Connector 12 Contact Pin 14 Mold Base 15 Bolt Screwing Hole 16 Rectangular Storage Section 16a Recess 16b Insertion Hole 20 Shield Case 21 Main Body 24 Mounting Feet 27 Bending Pressing Piece 28 Connecting Tongue 30 Housing 32 shield plate 40 square nut 41 convex portion 45 bolt

Claims (2)

[Claims] 1. A mold base having a predetermined number of contact pins built-in, and a shield case covered so as to cover the outer peripheral surface of the mold base, wherein the shield case has a foot portion for mounting on a wiring board. The mounting foot portion is provided and is used as a ground terminal, and a bending pressure contact piece portion that bends in a direction away from the mold base is provided, and the bending pressure contact piece portion is provided with the electric connector. An electric connector, which is adapted to be used as a ground terminal which is elastically pressed against a shield plate provided in a casing of electronic equipment. 2. The electrical connector according to claim 1, wherein the bent press contact piece portion is formed in a “F” shape.