JPH0521111A - Connector structure - Google Patents

Abstract

PURPOSE:To provide for receiving and sending high frequency electric signals by applying electromagnetic shielding between the terminals of connectors. CONSTITUTION:Male and female connectors 1, 4 are constructed by applying conductive plating to insulators 2, 5 with inner spaces 2a, 5a and incorporating male and female contacts 3, 6 held by an insulator 8. The insulator 2 for the male connector has a spring-functional protruded strip 2b connected with the inner space inside wall 5b provided in the insulator 5 for the female connector. During fitting the connectors, the inner space inside wall 5b is connected to the protruded strip 2b and conductive plating is soldered to a printed board 7 at earth potential through a terminal 9, so that the respective contacts are shielded at earth potential.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector suitable for use in a communication device, and more particularly to improvement of a connector structure having an electromagnetic shielding function.

[0002]

2. Description of the Related Art Conventionally, this type of connector structure has a structure in which a male contact and a female contact are housed in an insulator by press fitting or the like. This will be briefly described with reference to FIG. 4 and subsequent figures. FIG. 4 shows a state in which the male connector 1 and the female connector 4 are fitted to each other in the conventional connector, and FIG.
Shows an outline of a female connector, and FIG. 6 shows an outline of a male connector.

In these figures, at the end of the male contact 3 which is housed in the insulator 2 of the male connector 1 by press fitting or the like, the insulator 5 of the female connector 4 which is the mating connector is provided.
Has a contact portion 3a that is electrically and mechanically connected to a contact spring 6a having a spring property provided at the end of the female contact 6 that is housed by press fitting or the like. Also, these male connectors 1
The female connector 4 and the female connector 4 are attached by connecting the terminals 3b and 6b by soldering to through holes provided in the printed boards 7 and 7, respectively.
It was configured to be able to electrically connect each other.

[0004]

By the way, in the conventional connector structure as described above, since the contacts 3 and 6 which are adjacent to each other and are opposed to each other are separated by the insulators 2 and 5, respectively.
It was difficult to transfer high frequency electric signals due to crosstalk. Further, when a coaxial connector is attached to the insulators 2 and 5 in order to transfer the high frequency electric signal,
Since it is difficult to reduce the outer diameter of the coaxial connector to the size of the terminal spacing, high-density mounting cannot be realized, cost is increased, and there is a problem in terms of practical use.
It is desired to take some measures that can solve such problems.

The present invention has been made in view of the above circumstances, and an electromagnetic shield shield is provided between the terminals of the connector with a simple structure to obtain a connector structure capable of passing high-frequency electrical signals. The purpose is to

[0006]

In order to meet such a demand, the connector structure according to the present invention is provided with a projecting piece having a spring property for fitting with a mating connector on the first insulator. The insulator is conductively plated, and the electrical connection terminals held by the second insulator are housed in one or a plurality of internal spaces formed inside the insulator.

[0007]

According to the present invention, the second holding member for holding the electric connection terminal is provided in the inner space of the first insulating member having the conductive plating.
Of the connector is accommodated and arranged, and the projecting piece having a spring property protruding from the first insulator on the one connector side is fitted into the inner space of the insulator on the mating connector side and coupled. ,
Further, the conductive plating of the first insulator is connected to the ground potential, and the whole is dropped to the ground potential, whereby the electromagnetic shield between the respective terminals can be performed.

[0008]

1 to 3 show an embodiment of a connector structure according to the present invention. In these figures, the same or corresponding parts as those in FIG. The description is omitted. Now, according to the present invention, the first insulators 2 and 5 that constitute the male connector 1 and the female connector 4 are formed.
One or a plurality of internal spaces 2a and 5a are formed in the inside of each of the above, and conductive plating is applied to all wall surfaces of the first insulators 2 and 5 including the internal spaces 2a and 5a. .. The terminal indicated by reference numeral 9 in FIG. 1 is connected to the conductive plating layer portions of the first insulators 2 and 5, and is electrically connected to the through holes provided in the printed board 7 by soldering. Has been done.

Further, the male contact 3 and the female contact 6 are held by the second insulators 8 and 8, and the internal spaces 2a of the first insulators 2 and 5 to which the conductive plating is applied are formed. 5a are mounted by press fitting or the like. Further, the tip end of the male contact 3 is provided with the tip end of the female contact 6 and has a springy contact spring 6a.
It has a contact portion 3a electrically connected to. In addition,
The terminal portions 3b, 6b on the other end side of the male contact 3 and the female contact 6 are soldered to the through holes on the printed circuit boards 7, 7 side.

According to the present invention, in the connector structure having the above-described structure, the protrusion is formed on the joint surface of the first insulator 2 of the one connector (the male connector 1 in this embodiment) with the mating side. The strip 2b is provided. The protruding piece 2b is formed with a plurality of slits 2c in a slotted shape so as to have springiness, and the outer diameter of the open end portion is set to the inner wall 5 of the inner space 5a of the female connector 4.
It is formed to be larger than the inner diameter b. When the male connector 1 and the female connector 4 are fitted together, the contact spring 6a and the contact portion 3a are connected together, and the protruding piece 2b and the inner space inner wall 5b are connected together. There is.

That is, in the connector structure, the contacts 3 and 6 are held by the insulators 8 and 8 and housed in the conductive plated insulators 2 and 5, and the conductive plated insulators are formed. 2 and 5 protruding pieces 2b
To connect to the mating connector,
By lowering the ground potential of, the contacts 3 and 6 can be cut off at the ground potential. And if it does in this way, a structure similar to a coaxial connector can be realized and an electromagnetic shielding effect for passing a high frequency electric signal can be exhibited. Further, the impedance can be easily set by the shapes of the contacts 3 and 6 and the inner diameters of the internal spaces 2a and 5a of the conductive plated insulators 2 and 5, and the dielectric constants of the insulators 8 and 8 that hold the contacts 3 and 6. It also has the advantage of being possible.

It is needless to say that the present invention is not limited to the structure of the above-described embodiment, and the shape, structure, etc. of each part of the connector can be appropriately modified or changed.

[0013]

As described above, according to the connector structure of the present invention, the contact is held by the insulator and is housed inside the insulator plated with the conductive material.
It is possible to cut off each contact at the ground potential by providing a protruding piece on the conductive plated insulator and connecting it to the mating connector to lower the ground potential of the printed circuit board. Further, according to the present invention as described above, it is possible to realize a structure similar to a coaxial connector, and it is very effective in passing a high frequency electric signal. Further, the impedance can be easily set according to the shape of the contact, the inner diameter of the inner space of the conductive plated insulator, and the dielectric constant of the insulator holding the contact.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing an embodiment of a connector structure according to the present invention.

FIG. 2 is a schematic perspective view of the female connector shown in FIG.

FIG. 3 is a schematic perspective view of the male connector shown in FIG.

FIG. 4 is a sectional view of an essential part showing a conventional connector structure.

5 is a schematic perspective view of the female connector shown in FIG.

6 is a schematic perspective view of the male connector shown in FIG.

[Explanation of symbols]

 1 Male Connector 2 1st Insulator 2a Internal Space 2b Projecting Piece 2c Slit 3 Male Contact 3a Contact Part 3b Terminal Part 4 Female Connector 5 1st Insulator 6 Female Contact 6a Contact Spring 7 Printed Circuit Board 8 Second Insulation Body 9 terminal

Claims (1)

Claim: What is claimed is: 1. An electrical connection terminal held by a second insulator is housed in at least one internal space provided in the first insulator plated with a conductive material. A connector structure characterized in that the first insulator is provided with a protruding piece having a spring property for fitting with a mating connector.