JP6915392B2 - Coaxial connector device - Google Patents

Description

The invention described in the claims of the present application relates to a coaxial connector device mounted on a circuit board and used for transmitting a high frequency signal from the circuit board to the outside or from the outside to the circuit board. ..

When a high-frequency signal flowing through a conductor arranged on a circuit board is transmitted from the circuit board to the outside, prevention of electromagnetic noise from the outside of the circuit board, prevention of leakage to the outside of the circuit board, etc. Therefore, it is treated as a signal that requires an electromagnetic wave shield, and is often transmitted using a coaxial cable. In addition, high-frequency signals supplied from the outside of the circuit board to the conductors arranged on the circuit board are also electromagnetic waves in order to prevent electromagnetic noise from being mixed in from the outside of the circuit board and to prevent leakage to the outside of the circuit board. It is treated as a signal that requires a shield and is often transmitted using coaxial cables. When such a high-frequency signal is transmitted from the circuit board to the outside through a coaxial cable or transmitted to the circuit board through a coaxial cable from the outside, it is mounted on the circuit board. A coaxial connector device used for signal transmission is used. Then, another coaxial connector device (counterpart connector device) to which a coaxial cable for transmitting a high frequency signal is connected is fitted and connected to the coaxial connector device mounted on the circuit board (see, for example, Patent Document 1). ..

In Patent Document 1, the coaxial connector device mounted on the circuit board is described as a coaxial connector receptacle (101) (hereinafter, referred to as a coaxial receptacle connector device), and the counterpart connector device for the coaxial connector device is for a coaxial connector. It is described as a plug (110) (hereinafter referred to as a coaxial plug connector device). Then, the coaxial plug connector device mounted on one end of the coaxial cable is fitted and connected to the coaxial receptacle connector device.

The coaxial receptacle connector device described in Patent Document 1 has a signal contact conductor (center conductor (501)) used for transmitting a high-frequency signal on an insulating substrate (insulator (61)) arranged on the surface of a circuit board. )) And a ground contact conductor (outer conductor (40)) that transmits the ground potential to provide an electromagnetic wave shielding action against the high frequency signal supplied to the signal contact conductor are attached. The signal contact conductor is embedded in a protruding connection portion (center conductor contact portion (51)) that is contact-connected to the signal conductor (inner conductor (81)) in the coaxial plug connector device and an insulating substrate in the protruding connection portion. A signal connection (center conductor lead-out portion (52)) extending from the base to the outside of the insulating substrate is provided. Further, the grounding contact conductor forms an annular body surrounding the protruding connection portion of the signal contact conductor, and is contact-connected to the grounding conductor (outer conductor (71)) of the coaxial plug connector device (annular connection portion). A tubular portion (41)) and a grounding connection portion (outer conductor overhanging portion (42a, 42b, 42c)) extending from the base portion of the annular connection portion and arranged outside the insulating substrate are provided.

Under such circumstances, when the coaxial plug connector device mounted on one end of the coaxial cable is fitted and connected to the coaxial receptacle connector device, the protruding connection portion of the signal contact conductor in the coaxial receptacle connector device is the coaxial plug connector device. In addition to being contact-connected to the signal conductor in the above, the annular connection portion of the ground contact conductor in the coaxial receptacle connector device is contact-connected to the ground conductor in the coaxial plug connector device. As a result, high-frequency signals can be transmitted from the circuit board on which the coaxial receptacle connector device is mounted to the outside, or from the outside to the circuit board on which the coaxial receptacle connector device is mounted, through the coaxial cable equipped with the coaxial plug connector device. Transmission takes place.

Japanese Unexamined Patent Publication No. 2011-71094

In the coaxial receptacle connector device which is the coaxial connector device described in Patent Document 1 which has been proposed conventionally as described above, a high frequency signal is transmitted through a signal contact conductor (center conductor (501)). In the signal contact conductor, the signal connection portion (center conductor lead-out portion (52)) provided therein is covered with an insulating substrate (insulator (61)), but exerts an electromagnetic wave shielding action. Some members are not covered. That is, the signal connection portion of the signal contact conductor is exposed to the outside of the ground contact conductor (outer conductor (40)) without being covered by the member exerting the electromagnetic wave shielding action, and the high frequency signal is transmitted. It is supposed to flow, which leads to the leakage of electromagnetic noise associated with the flow of high-frequency signals. Therefore, in the coaxial receptacle connector device which is the coaxial connector device described in Patent Document 1, there is a possibility that electromagnetic noise due to the flow of a high frequency signal may leak from the signal connection portion of the signal contact conductor. It will be accompanied by inconvenience.

In view of these points, the invention described in the scope of the patent claim of the present application is a ground contact conductor for transmitting a signal contact conductor used for transmitting a high frequency signal and a grounding for transmitting a ground potential to an insulating substrate arranged on a surface of a circuit board. When a high-frequency signal is transmitted from the circuit board to the outside or from the outside to the circuit board under the structure in which the contact conductor for signal is attached, the high-frequency signal flows through the contact conductor for signal. Provided is a coaxial connector device capable of effectively suppressing leakage of electromagnetic noise.

The coaxial connector device according to the invention according to any one of claims 1 to 5 in the claims of the present application (hereinafter referred to as the invention of the present application) is an insulating substrate arranged on the surface of the circuit board. , A protruding connection portion that is assembled to the insulating substrate and protrudes from the insulating substrate so that the signal conductor of the other connector device is contact-engaged and a signal connection portion connected to a signal terminal portion arranged on the circuit board. An annular connection portion that is assembled to an insulating substrate and is arranged so as to surround the protruding connection portion of the signal contact conductor so that the grounding conductor of the mating connector device is contact-engaged. And a grounding contact conductor provided with a grounding connection portion connected to the grounding terminal portion arranged on the circuit board, and a signal arranged on the circuit board at the grounding connection portion of the grounding contact conductor. It is characterized in that an electromagnetic shielding portion is provided to cover the signal connection portion of the signal contact conductor connected to the terminal portion.

In particular, in the coaxial connector device according to claim 2 of the present invention, the grounding connection portion of the grounding contact conductor is grounded on the surface of the circuit board on which the insulating substrate is arranged. A flat plate-shaped portion extending around the annular connection portion of the contact conductor is formed, and the electromagnetic shielding portion is integrally formed with the flat plate-shaped portion formed by the grounding connection portion.

The coaxial connector device according to the present invention configured as described above has a protruding connection portion and a signal terminal portion arranged on a circuit board so as to project from an insulating substrate and contact-engage the signal conductor of the other connector device. An annular shape in which a signal contact conductor provided with a signal connection portion connected to a signal contact conductor is arranged so as to surround a protruding connection portion of the signal contact conductor, and the grounding conductor of the other connector device is contact-engaged. A grounding contact conductor provided with a grounding connection portion connected to a connecting portion and a grounding terminal portion arranged on the circuit board is assembled to an insulating substrate arranged on the surface of the circuit board. The grounding connection portion of the grounding contact conductor is provided with an electromagnetic shielding portion that covers the signal connection portion of the signal contact conductor connected to the signal terminal portion arranged on the circuit board.

The grounding connection portion of the grounding contact conductor is defined as, for example, forming a flat plate-like portion extending around the annular connection portion of the grounding contact conductor on the surface of the circuit board on which the insulating substrate is arranged, and the electromagnetic shielding portion is , It is formed integrally with the flat plate-shaped portion formed by such a grounding connection portion.

When the coaxial connector device according to the present invention is mounted on a circuit board and used in actual use, the insulating substrate is arranged on the surface of the circuit board, and the signal connection portion of the signal contact conductor is placed on the surface of the circuit board. It is connected to the arranged signal terminal part by, for example, soldering, and the grounding connection part of the grounding contact conductor is connected to the grounding terminal part arranged on the surface of the circuit board, for example, by soldering. .. Then, the signal connection portion of the signal contact conductor connected to the signal terminal portion of the circuit board is placed in a state of being covered by the electromagnetic shielding portion provided in the ground connection portion of the ground contact conductor. In the coaxial connector device according to the present invention mounted on the circuit board in this way, for example, the mating connector device mounted on one end of the coaxial cable is fitted and connected to the coaxial connector device. The signal conductor of the mating connector device is contact-engaged with the protruding connection portion of the contact conductor for grounding, and the grounding conductor of the mating connector device is contact-engaged with the annular connection portion of the contact conductor for grounding.

In the coaxial connector device according to the present invention described above, the signal connection portion of the signal contact conductor connected to the signal terminal portion on the circuit board is used for grounding the ground contact conductor when mounted on the circuit board. It is assumed that the electromagnetic shielding portion is covered by the electromagnetic shielding portion provided in the connecting portion to provide the electromagnetic shielding action by the electromagnetic shielding portion. As a result, according to the coaxial connector device according to the present invention, when it is used for transmitting a high frequency signal from the circuit board to the outside or from the outside to the circuit board, it is used for a signal including a signal connection part. It is possible to effectively suppress the leakage of electromagnetic noise caused by the high frequency signal flowing through the contact conductor.

In particular, the grounding connection portion of the grounding contact conductor is assumed to form a flat plate-like portion extending around the annular connection portion of the grounding contact conductor on the surface of the circuit board on which the insulating substrate is arranged, and the electromagnetic shielding portion. Is formed integrally with the flat plate-like portion formed by such a grounding connection, the grounding contact around the annular connection of the grounding contact conductor, and thus around the protruding connection of the signal contact conductor. The range covered by the grounding connection of the conductor is relatively large, and it is possible to more effectively suppress the leakage of electromagnetic noise due to the flow of high-frequency signals through the signal contact conductor including the signal connection. can.

It is a perspective view which shows an example of the coaxial connector device which concerns on this invention, together with the circuit board on which it is mounted, and the other party connector device mounted on one end of a coaxial cable. It is a top view which shows an example of the coaxial connector device which concerns on this invention. It is a front view which shows an example of the coaxial connector device which concerns on this invention. It is sectional drawing which shows the IV-IV line cross section in FIG. It is a perspective view which shows an example of the coaxial connector device which concerns on this invention by being disassembled into the insulating base to which the contact conductor for a signal is assembled, and the contact conductor for grounding. FIG. 5 is a perspective view showing a state in which a mating connector device mounted on one end of a coaxial cable is fitted and connected to an example of a coaxial connector device according to the present invention mounted on a circuit board. It is a perspective view which shows the state which the mating connector device attached to one end of the coaxial cable is fitted and connected to the example of the coaxial connector device which concerns on this invention, as seen from the bottom surface side of the coaxial connector device which concerns on this invention. It is a side view which shows the state which the mating connector device attached to one end of a coaxial cable is fitted and connected to an example of the coaxial connector device which concerns on this invention attached to a circuit board. It is a front view which shows the state which the mating connector device attached to one end of a coaxial cable is fitted and connected to an example of the coaxial connector device which concerns on this invention attached to a circuit board. It is sectional drawing which shows the X-ray cross section in FIG.

The embodiment for carrying out the invention of the present application will be described with reference to the examples of the invention of the present application described below.

FIG. 1 shows an example of a coaxial connector device according to the present invention together with a circuit board on which the coaxial connector device is mounted and a mating connector device mounted on one end of a coaxial cable.

In FIG. 1, the coaxial connector device 10 which forms an example of the coaxial connector device according to the present invention is mounted on a circuit board 12 and then fitted and connected to a mating connector device 11 mounted on one end of a coaxial cable 30. It is said that it will be put to practical use. Then, as shown in FIG. 2 (plan view), FIG. 3 (front view), and FIG. 4 (cross-sectional view) showing the IV-IV line cross section in FIG. 3, the coaxial connector device 10 is, for example, a synthetic resin material or the like. The insulating substrate 13 is formed of the insulating material of the above and is arranged on the surface 12a of the circuit board 12 on which the coaxial connector device 10 is mounted. In the following, the surface 12a of the circuit board 12 is referred to as a connector mounting surface 12a. Further, the coaxial connector device 10 is the same as the signal contact conductor 14 formed of a conductive material having elasticity as an alloy material and assembled to the insulating substrate 13, for example, the elasticity as an alloy material. It is provided with a contact conductor 15 for grounding, which is formed of a conductive material having the above and is assembled to the insulating substrate 13.

As shown in FIG. 5 in which the coaxial connector device 10 is disassembled into an insulating base 13 to which the signal contact conductor 14 is assembled and a grounding contact conductor 15, the coaxial connector device 10 is a circuit board 12 of the insulating base 13. It has a base portion 16 having a bottom surface 16a facing the connector mounting surface 12a of the circuit board 12 and an annular portion 17 projecting from the bottom surface 16a side to the opposite side thereof, and is an insulating substrate. 13 is provided with an extension portion 18 extending from the base portion 16 in a direction parallel to the bottom surface 16a thereof. The base portion 16 is formed with a through hole penetrating the central portion thereof, and the annular portion 17 is supposed to surround the through hole formed in the base portion 16. A part of the extension portion 18 provided on the insulating substrate 13 forms a wall-shaped protrusion 18a that projects to the side opposite to the bottom surface 16a side of the base portion 16.

Further, the signal contact conductor 14 has a protruding connection forming a hollow columnar body that protrudes from the insulating base 13 to the side opposite to the bottom surface 16a side of the base 16 through a through hole penetrating the central portion of the base 16 of the insulating base 13. A signal connecting portion 20 extending from the root portion of the protruding connecting portion 19 arranged in the through hole formed in the base portion 16 of the insulating substrate 13 to the outside of the base portion 16 of the insulating substrate 13 is provided. There is. The protruding connection portion 19 is surrounded by the annular portion 17 of the insulating substrate 13, and the signal conductor of the mating connector device 11 to be fitted and connected to the coaxial connector device 10 is contact-engaged. When the coaxial connector device 10 is mounted on the circuit board 12, the signal connection portion 20 is exposed in the same surface as the bottom surface 16a of the base portion 16 of the insulating substrate 13 and is in contact with the connector mounting surface 12a of the circuit board 12. A signal terminal portion (not shown) arranged on the connector mounting surface 12a of the circuit board 12 after having a contact surface 20a and having the contact surface 20a in contact with the connector mounting surface 12a of the circuit board 12. ), For example, by soldering.

Further, when the coaxial connector device 10 is mounted on the circuit board 12, the ground contact conductor 15 further surrounds and arranges the annular portion 17 of the insulating base 13 that surrounds the protruding connection portion 19 of the signal contact conductor 14. The cylindrical connecting portion 21 formed in a cylindrical shape and a flat plate-shaped portion extending around the annular connecting portion 21 on the connector mounting surface 12a of the circuit board 12 are arranged on the connector mounting surface 12a of the circuit board 12. A grounding terminal (not shown) is provided with, for example, a grounding connector 22 connected by soldering. The annular connection portion 21 is externally fitted to the annular portion 17 of the insulating substrate 13, and the grounding conductor of the mating connector device 11 to be fitted and connected to the coaxial connector device 10 is contact-engaged. In the grounding connection portion 22, the signal connection portion of the signal contact conductor 14 connected to the signal terminal portion arranged on the connector mounting surface 12a of the circuit board 12 when the coaxial connector device 10 is mounted on the circuit board 12 An electromagnetic shielding portion 23 that covers 20 is provided.

The electromagnetic shielding portion 23 is composed of a pair of bent pieces 23a and 23b, each of which stands up from a flat plate-shaped portion formed by the grounding connection portion 22 of the grounding contact conductor 15 and is bent, and is used for grounding. It is formed integrally with the flat plate-shaped portion formed by the connecting portion 22. The pair of bent pieces 23a and 23b are arranged so that their tip surface portions face each other and face each other. Then, the extension portion 18 provided on the insulating substrate 13 is connected to the signal terminal portion arranged on the connector mounting surface 12a of the circuit board 12, and is connected to the signal connection portion 20 of the signal contact conductor 14 and the ground contact conductor. It is arranged between the electromagnetic shielding portion 23 composed of a pair of bent pieces 23a and 23b provided on the grounding connection portion 22 in 15. As a result, the electromagnetic shielding portion 23 composed of the pair of bent pieces 23a and 23b provided in the grounding connection portion 22 is interposed with the extending portion 18 provided in the insulating base 13, and the signal contact conductor 14 is provided. The signal connection portion 20 of the above will be covered. Under such circumstances, the pair of bent pieces 23a and 23b constituting the electromagnetic shielding portion 23 form a wall-shaped protrusion 18a formed by a part of the extending portion 18 provided on the insulating substrate 13 by the respective tip surface portions. It is sandwiched.

In this way, the electromagnetic shielding portion 23 that covers the signal connecting portion 20 of the signal contact conductor 14 with the extending portion 18 provided on the insulating substrate 13 interposed therebetween brings about an electromagnetic shielding action on the signal connecting portion 20. As a result, leakage of electromagnetic noise due to the flow of high-frequency signals through the signal contact conductor 14 including the signal connection portion 20 is effectively suppressed. In addition, the grounding connection portion 22 of the grounding contact conductor 15 forms a flat plate-like portion extending around the annular connecting portion 21 of the grounding contact conductor 15 on the connector mounting surface 12a of the circuit board 12. As a result, the grounding connection portion 22 forming the flat plate-like portion also exerts an electromagnetic shielding action on the signal contact conductor 14, whereby a high-frequency signal flows through the signal contact conductor 14 including the signal connection portion 20. The accompanying electromagnetic noise leakage is suppressed even more effectively.

The mating connector device 11 attached to one end of the coaxial cable 30 shown in FIG. 1 is formed of an elastic conductive material as a main component, and is formed of a central conductor 30a of the coaxial cable 30 (a diagram described later). A coaxial cable 30 formed of a signal conductor 25 (shown in FIG. 10 described later) electrically connected to (shown in FIG. 10) and an elastic conductive material. The grounding conductor 26 is electrically connected to the outer conductor 30b (shown in FIG. 10 to be described later), and is formed of an insulating material such as a synthetic resin material, and is formed of a signal conductor 25 and a grounding conductor. It includes an insulating housing 27 (shown in FIG. 10 described later) that supports the conductor 26 in a mutually insulated state.

The signal conductor 25 electrically connected to the central conductor 30a of the coaxial cable 30 is in contact with the protruding connection portion 19 of the signal contact conductor 14 of the coaxial connector device 10 as shown in FIG. 10 described later. It has a matching contact portion 25a. Further, the grounding conductor 26 electrically connected to the outer conductor 30b of the coaxial cable 30 is annularly fitted so as to be in contact engagement with the annular connection portion 21 of the grounding contact conductor 15 of the coaxial connector device 10. It has a part 28. Then, from one end of the annular fitting portion 28, the cable holding portion 29 is bent so as to cover the annular fitting portion 28 and the insulating housing 27, and extends in the direction along the coaxial cable 30. The cable holding portion 29 of the grounding conductor 26 is contact-connected to the outer conductor 30b of the coaxial cable 30 and grips the coaxial cable 30 from the outside.

FIG. 6 shows a state in which the mating connector device 11 mounted on one end of the coaxial cable 30 is fitted and connected to the coaxial connector device 10 mounted on the circuit board 12. Further, FIG. 7 shows a state in which the mating connector device 11 attached to one end of the coaxial cable 30 is fitted and connected to the coaxial connector device 10 as viewed from the bottom surface side of the coaxial connector device 10. Further, FIGS. 8 (side view), 9 (front view), and FIG. 10 (cross-sectional view) showing the X-X line cross section in FIG. 9 are coaxial mounted on the circuit board 12 as shown in FIG. By fitting and connecting the other party connector device 11 attached to one end of the coaxial cable 13 to the connector device 10, the other party attached to one end of the coaxial connector device 10 and the coaxial cable 30 placed in the mutual mating connection state. The connector device 11 is shown.

As shown in FIGS. 6 to 10, when the coaxial connector device 10 and the mating connector device 11 attached to one end of the coaxial cable 30 are placed in a mutual mating connection state, the mating connector device 11 is grounded. The annular fitting portion 28 of the conductor 26 is in contact engagement with the annular connecting portion 21 of the grounding contact conductor 15 of the coaxial connector device 10. At that time, as shown in FIG. 10, the annular convex portion 28a provided in the annular fitting portion 28 is fitted into the annular groove portion 21a provided in the annular connecting portion 21, thereby causing the annular fitting. The contact engagement of the portion 28 with the annular connecting portion 21 is surely and firmly performed.

At the same time, the contact portion 25a of the signal conductor 25 of the mating connector device 11 is contact-engaged with the protruding connection portion 19 of the signal contact conductor 14 of the coaxial connector device 10. At that time, as shown in FIG. 10, the contact portion 25a is externally fitted to the projecting connection portion 19 and comes into contact with the outer peripheral surface portion of the projecting connection portion 19.

In this way, the contact portion 25a of the signal conductor 25 of the counterpart connector device 11 is in contact engagement with the protruding connection portion 19 of the signal contact conductor 14 of the coaxial connector device 10, and the ground conductor 26 of the counterpart connector device 11 is engaged. The annular fitting portion 28 in the above is in contact engagement with the annular connection portion 21 in the ground contact conductor 15 of the coaxial connector device 10, so that the central conductor 30a of the coaxial cable 30 is passed through the signal conductor 25 of the mating connector device 11. The outer conductor 30b of the coaxial cable 30 is electrically connected to the signal contact conductor 14 of the coaxial connector device 10, and the outer conductor 30b of the coaxial cable 30 is connected to the ground contact conductor of the coaxial connector device 10 via the ground conductor 26 of the mating connector device 11. It is electrically connected to 15.

In the coaxial connector device 10 described above, the signal connection portion 20 of the signal contact conductor 14 connected to the signal terminal portion on the connector mounting surface 12a of the circuit board 12 is grounded when mounted on the circuit board 12. It is assumed that the contact conductor 15 is covered with the electromagnetic shielding portion 23 provided on the grounding connection portion 22, and the electromagnetic shielding portion 23 provides an electromagnetic shielding action. As a result, according to the coaxial connector device 10, when the high frequency signal is transmitted from the circuit board 22 to the outside or from the outside to the circuit board 22, the signal including the signal connection portion 20 is used. It is possible to effectively suppress the leakage of electromagnetic noise caused by the high frequency signal flowing through the contact conductor 14.

Further, in the coaxial connector device 10, the grounding connection portion 22 of the grounding contact conductor 15 is an annular connection portion of the grounding contact conductor 15 on the connector mounting surface 12a of the circuit board 22 on which the insulating base 13 is arranged. Since the electromagnetic shielding portion 23 is formed integrally with the flat plate-shaped portion formed by such a grounding connection portion 22, it is supposed to form a flat plate-shaped portion extending around the grounding contact conductor 15, so that the annular contact conductor 15 for grounding is formed. The range covered by the grounding connection portion 22 of the grounding contact conductor 15 around the connection portion 21 and therefore around the protruding connection portion 19 of the signal contact conductor 14 is relatively large, and includes the signal connection portion 20. It is possible to more effectively suppress the leakage of electromagnetic noise caused by the high-frequency signal flowing through the signal contact conductor 14.

In the coaxial connector device according to the present invention as described above, a contact conductor for signals used for transmitting high-frequency signals and a contact conductor for grounding for transmitting ground potential are attached to an insulating substrate arranged on the surface of a circuit board. When a high-frequency signal is transmitted from the circuit board to the outside or from the outside to the circuit board, the leakage of electromagnetic noise due to the high-frequency signal flowing through the signal contact conductor is effective. As a device that can be effectively suppressed, it can be widely applied to various electronic devices and the like.

10 ... Coaxial connector device, 11 ... Mating connector device, 12 ... Circuit board, 12a ... Connector mounting surface, 13 ... Insulation substrate, 14 ... Signal contact conductor, 15 ...・ Contact conductor for grounding, 16 ・ ・ ・ base, 17 ・ ・ ・ annular part, 18 ・ ・ ・ extension part, 19 ・ ・ ・ protruding connection part, 20 ・ ・ ・ signal connection part, 21 ・ ・ ・ annular connection Part, 21a ... annular groove, 22 ... grounding connection, 23 ... electromagnetic shielding, 23a, 23b ... bent piece, 25 ... signal conductor, 26 ... grounding conductor , 27 ・ ・ ・ Insulated housing, 28 ・ ・ ・ Ring fitting part, 28a ・ ・ ・ Ring convex part, 29 ・ ・ ・ Cable holding part, 30 ・ ・ ・ Coaxial cable, 30a ・ ・ ・ Center conductor, 30b ・ ・・ Outer conductor

Claims (3)

An insulating substrate placed on the surface of the circuit board,
A signal connection that is assembled to the insulating substrate and protrudes from the insulating substrate so that the signal conductor of the other connector device is contact-engaged and is connected to a signal terminal portion arranged on the circuit board. A contact conductor for signals provided with a part,
It was assembled to the insulating substrate, surrounded by the protruding connection portion of the signal contact conductor, and arranged on the annular connection portion and the circuit board on which the grounding conductor of the mating connector device was contact-engaged. A grounding contact conductor provided with a grounding connection that is connected to the grounding terminal,
Made up of
The grounding connection portion of the grounding contact conductor is provided with an electromagnetic shielding portion that covers the signal connection portion of the signal contact conductor connected to the signal terminal portion arranged on the circuit board .
The grounding connection portion of the grounding contact conductor is assumed to form a flat plate-like portion extending around the annular connection portion of the grounding contact conductor on the surface of the circuit board, and the electromagnetic shielding portion is the grounding connection. It is formed integrally with the flat plate-shaped part formed by the part.
A coaxial connector device characterized in that the electromagnetic shielding portion is formed of a bent piece that rises from a flat plate-shaped portion formed by the grounding connection portion and is bent. The coaxial connector device according to claim 1, wherein the electromagnetic shielding portion is formed by a pair of bent pieces that stand up from a flat plate-shaped portion formed by the grounding connection portion and are bent and opposed to each other. The insulating substrate is provided with an extension portion extending from the inside of the annular connection portion of the ground contact conductor to the outside of the annular connection portion of the ground contact conductor, and the extension portion is provided on the circuit board. It is characterized in that it is arranged between the signal connection portion of the signal contact conductor connected to the arranged signal terminal portion and the electromagnetic shielding portion provided in the ground connection portion of the ground contact conductor. The coaxial connector device according to claim 1.

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