JP7172680B2 - Connector device manufacturing method and connector device - Google Patents

Description

The invention described in the claims of the present application is a mating connector device installed on a wiring board or the like after a plurality of coaxial cables are connected, thereby electrically connecting the plurality of coaxial cables to the wiring board or the like. The present invention relates to a method for manufacturing a connector device used for connection and a connector device obtained by such a method.

In order to electrically connect a plurality of relatively thin coaxial cables to a wiring board on which various electrical components are mounted, a first connector device, such as a plug connector, to which the plurality of coaxial cables are connected; A second connector device, for example, a receptacle connector, which is electrically connected to the wiring board and is fitted and connected to the first connector device, is often used.

In such a case, for example, the first connector device, which is a plug connector and is fitted and connected to a second connector device (mating connector device) which is, for example, a receptacle connector, may be used as a whole or provided thereon. The mating portion includes an insulating housing that is placed in a mated state with the mated portion of the second connector device, and the insulating housing has a plurality of coaxial cables connected to the first connector device. A plurality of signal contacts electrically connected to a signal conductor (inner conductor) and a ground conductor (outer conductor) in each of the plurality of coaxial cables are connected to transmit a ground potential to them, and a plurality of Conventionally, it has been proposed to construct a signal contact and an inner shell that exerts an electromagnetic shielding action to prevent electromagnetic interference with respect to each signal conductor of each of a plurality of coaxial cables connected thereto. (For example, Patent Document 1.).

Disclosed in the above-mentioned Patent Document 1, the first connector device, which is a plug connector, is fitted and connected to the second connector device, which is a mating connector device which is a receptacle connector (electrical connector ( 1)) has an insulating housing (insulator (2)) made of synthetic resin, and multiple signal contacts (male contact (4)) and multiple signal contacts are arranged in the insulating housing. A metallic inner shell (a ground bar shell (3)) extending along the arrangement direction of is provided in a state of being integrally formed with the insulating housing. A signal conductor (central conductor (10a)) of a corresponding one of a plurality of coaxial cables (ultra-fine coaxial cable (10)) is connected to each of the plurality of signal contacts by soldering. , the ground conductors (outer conductors (10b)) of a plurality of coaxial cables (ultra-fine coaxial cables (10)) are connected by soldering. When the first connector device is fitted and connected to the second connector device, which is the mating connector device, each of the plurality of signal contacts is a mating signal contact (a signal contact (12e) in the second connector device). / 12f)), and the inner shell has a contact portion that is contact-connected to the second connector device when the first connector device is mated and connected to the second connector device that is the mating connector device. It has a contact portion that is contact-connected to the mating ground contact (ground contact (12c/12d)) in the connector device.

JP 2009-129731 A

A plug connector comprising an insulating housing integrally provided with a plurality of arranged signal contacts and a metallic inner shell extending along the arrangement direction of the plurality of signal contacts, as shown in the above-mentioned Patent Document 1. In the first connector device (electrical connector (1)), the insulating housing is obtained by insert molding using an insulating resin in the manufacturing process. In insert molding of the insulating housing, a plurality of signal contacts and an inner shell are set in a specific mold, insulating resin in a molten state is injected into the mold, and then placed in the molten state. The insulating resin is solidified, whereby the insulating housing is obtained by integrally forming the plurality of signal contacts, the inner shell, the insulating housing, and the insulating housing.

As described above, insert molding for obtaining an insulating housing integrally provided with a plurality of arranged signal contacts and a metallic inner shell extending along the arrangement direction of the plurality of signal contacts is performed. A plurality of separately formed signal contacts and an inner shell are positioned and set in a specific mold prior to injecting the insulating resin in a molten state into the specific mold. will be In this way, when a plurality of signal contacts and inner shells formed separately are positioned and set in a specific mold, the structure of the mold becomes complicated. , the number of man-hours for setting the plurality of signal contacts and the inner shell in the mold is increased.

In view of this point, a first invention among the plurality of inventions recited in the claims of the present application (hereinafter referred to as the first invention of the present application) provides a plurality of arranged signal contacts and a plurality of A method of manufacturing a connector device having an insulating housing integrally provided with a metallic inner shell extending along the direction of arrangement of the signal contacts, wherein the plurality of signal contacts and the inner shell are integrally provided. When insert molding is performed to obtain the insulating housing, the structure of the mold can be simplified, and the number of man-hours required for setting members in the mold can be reduced. provide a way. In addition, a second invention among the plurality of inventions recited in the claims of the present application (hereinafter referred to as the second invention of the present application) is a combination of a plurality of signal contacts arranged in an array and a plurality of signal contacts. A connector device provided with an insulating housing integrally provided with a metallic inner shell extending along an arrangement direction, wherein the insulating housing integrally provided with a plurality of signal contacts and the inner shell comprises: When performing insert molding to obtain Provide equipment.

A method for manufacturing a connector device according to a first invention of the present application, which is the invention recited in any one of claims 1 to 4 in the scope of claims of the present application, is a method of manufacturing a connector device in which the connectors are arranged along a first direction. a plurality of contact forming portions each forming a plurality of signal contacts each having a contact portion to which the signal conductors of the plurality of coaxial cables are respectively connected and each having a contact portion contact-connected to the mating signal contact in the mating connector device; and an inner shell having a ground bar shell portion that supports the contact forming portion of and extends along the first direction, connects the ground conductors of each of the plurality of coaxial cables, and transmits a ground potential to the plurality of ground conductors. However, a metal member integrally formed is prepared, and the metal member is disposed on the insulating member in such a manner that each portion of the plurality of contact forming portions and the portion of the ground bar shell portion are exposed on the surface of the insulating member. forming an insulating housing in which a plurality of through-holes corresponding to the plurality of contact-forming portions are formed in a member; to obtain a connector device comprising an inner shell and an insulating housing in which a plurality of independent signal contacts are arranged.

In particular, in the manufacturing method of the connector device according to the first invention of the present application, the metal member is arranged in the insulating member, and the insulating member is provided with a plurality of through holes. The insulating housing is obtained by insert molding in which the metal member and the insulating member are integrally formed.

A connector device according to a second invention of the present application, which is the invention recited in any one of claims 5 to 9 in the scope of claims of the present application, has a plurality of connectors arranged along a first direction. a plurality of signal contacts to which respective signal conductors of the coaxial cable are respectively connected and each having a contact portion contact-connected to a mating signal contact in the mating connector device; and an inner shell for connecting ground conductors of each cable and transmitting a ground potential to the ground conductors, and an insulating housing fitted and connected to the mating connector device, wherein the insulating housing is a first cable. are arranged along the direction of each of the plurality of signal contacts, each arranged at a position corresponding to one end of each of the plurality of signal contacts, through which one end of each of the plurality of signal contacts can be partially viewed It is characterized in that a plurality of through holes are provided.

In particular, in the connector device according to claim 6 of the second invention of the present application, each of the plurality of signal contacts and each of the inner shell are partially embedded in the insulating housing. It is characterized by being a thing.

In the manufacturing method of the connector device according to the first invention of the present application as described above, first, for example, a metal member is prepared by integrally forming a plurality of contact forming portions and an inner shell using a metal plate material. do. The plurality of contact forming portions are arranged along the first direction to form a plurality of signal contacts, respectively, and the plurality of signal contacts are arranged along the first direction to form a plurality of signal contacts. are connected to the signal conductors of the coaxial cables, and each has a contact portion to be contact-connected to a mating signal contact in the mating connector device. In addition, the inner shell includes a support shell portion that extends along the first direction and supports the plurality of contact forming portions, and a ground conductor of each of the plurality of coaxial cables that are coupled to transmit a ground potential to the plurality of ground conductors. and a connecting shell portion connecting the ground bar shell portion to the supporting shell portion.

Next, the prepared metal member is disposed on the insulating member in such a manner that each portion of the plurality of contact forming portions and the portion of the ground bar shell portion of the inner shell are exposed on the surface of the insulating member. forming an insulating housing provided with a plurality of through-holes corresponding to the plurality of contact forming portions, respectively; Formation of such an insulating housing is performed, for example, by insert molding using an insulating resin. For insert molding, a prepared metal member is set in a mold for insert molding. In this case, the insert molding die is provided with a through hole forming portion for forming a plurality of through holes in the insulating member of the insulating housing to be molded. After the metal member is set in the mold for insert molding, the insulating resin in a molten state is injected into the mold, and then the insulating resin in a molten state is solidified.

Subsequently, a plurality of contact forming portions are separated from the inner shell through a plurality of through holes provided in an insulating member of the insulating housing to obtain an insulating housing in which a plurality of independent signal contacts are arranged in addition to the inner shell. Separation of the plurality of contact forming portions from the inner shell through the plurality of through holes provided in the insulating member is performed using, for example, a die (female type) and a punch (male type). In this case, the cylindrical portions provided on the die are inserted into the plurality of through holes formed in the insulating member of the insulating housing and brought into contact with the contact forming portions so that the contact forming portions are brought into contact with the cylindrical portion of the die. The contact forming portion is separated from the inner shell by advancing a punch toward the inside of the cylindrical portion of the die from the direction of sandwiching between the two and punching out the portion corresponding to the through hole in the contact forming portion. A contact forming portion separated from the inner shell forms a signal contact independently arranged in the insulating housing.

After that, the obtained insulating housing is provided with a ground bar member for connecting the ground conductors of each of a plurality of coaxial cables, each signal conductor of which is connected to each of a plurality of signal contacts, and a cover shell covering the arranged plurality of contacts. Members, mounting hardware, etc., are installed as necessary to complete the connector device.

Further, the connector device according to the second invention of the present application as described above is obtained, for example, by the method of manufacturing the connector device according to the first invention of the present application, and is arranged along the first direction. an insulating housing having a plurality of aligned signal contacts and an inner shell extending along a first direction and fitted and connected to the mating connector device. The plurality of signal contacts are to be connected to respective signal conductors of the plurality of coaxial cables, and each has a contact portion to be contact-connected to the mating signal contact in the mating connector device. The inner shell connects ground conductors of a plurality of coaxial cables, each of which is connected to a plurality of signal contacts, and transmits a ground potential to the ground conductors. Each of the plurality of signal contacts and each of the inner shell are, for example, partially embedded in the insulating housing.

In the connector device according to the second invention of the present application, the insulating housings are arranged along the first direction, and each of the insulating housings is provided at a position corresponding to one end of each of the plurality of signal contacts. through which one end of each of the plurality of signal contacts can be partially viewed.

In the method of manufacturing the connector device according to the first invention of the present application as described above, the plurality of signal contacts arranged in an array and the inner shell having the ground bar shell portion are arranged and fitted to the mating connector device. In order to obtain a jointed insulating housing, first, a metal member in which a plurality of contact forming portions and an inner shell are integrally formed is prepared, and each portion of the plurality of contact forming portions and the ground bar shell portion of the inner shell are prepared. is exposed on the surface of the insulating member, and the insulating member is provided with a plurality of through holes corresponding to the plurality of contact forming portions. A plurality of contact forming portions are separated from the inner shell through a plurality of through holes provided in the insulating member to obtain an insulating housing in which a plurality of independent signal contacts are arranged in addition to the inner shell. As a result, the respective portions of the plurality of contact forming portions and the portion of the ground bar shell portion of the inner shell are arranged in such a manner as to be exposed on the surface of the insulating member. In the case of obtaining an insulating housing provided with a plurality of through holes by insert molding using an insulating resin, prior to injecting the insulating resin in a molten state into the mold for insert molding, A metal member in which a plurality of contact forming portions and an inner shell are integrally formed without the need to position and set a plurality of signal contacts and an inner shell formed separately in an insert molding die. is set in the insert molding die.

As a result, each portion of the plurality of contact forming portions and the portion of the ground bar shell portion of the inner shell are arranged in such a manner as to be exposed on the surface of the insulating member, and the insulating member is provided at positions corresponding to the plurality of contact forming portions. In order to obtain an insulating housing provided with a plurality of through holes by insert molding using an insulating resin, a plurality of signal contacts and an inner shell formed separately are positioned in the insert molding mold. As compared with the case where the members are set in the same manner, the structure of the mold can be simplified, and the number of man-hours required for setting the members in the mold can be reduced. Such simplification of the mold structure and reduction in member setting man-hours will contribute to the reduction in cost of the manufactured connector device.

Further, in the connector device according to the second aspect of the present invention, the plurality of signal contacts arranged in an arrangement and the inner shell having the ground bar shell portion are arranged, and the insulation is fitted and connected to the mating connector device. A plurality of housings are provided in an array, each disposed at a position corresponding to one end of each of the plurality of signal contacts, through which one end of each of the plurality of signal contacts can be partially viewed. Since the through holes are provided, it is checked whether each of the plurality of signal contacts arranged in the insulating housing is properly separated from the inner shell which is also arranged in the insulating housing. It can be visually confirmed through a through hole provided in the insulating housing.

Further, in the connector device according to the second invention of the present application, an inner shell having a plurality of arranged signal contacts and a ground bar shell portion are arranged, each corresponding to one end of each of the plurality of signal contacts. In order to obtain such an insulating housing by insert molding using an insulating resin, a plurality of contacts are provided. A metal member in which the forming part and the inner shell are integrally formed is prepared, and each part of the plurality of contact forming parts and the ground bar shell part of the inner shell are arranged in a state of being exposed on the surface of the insulating member. After forming an insulating housing in which a plurality of through-holes corresponding to the plurality of contact forming portions are formed in the insulating member by insert molding, through the plurality of through-holes provided in the insulating member of the insulating housing. A plurality of contact formations can be separated from the inner shell so as to obtain an insulating housing in which, in addition to the inner shell, a plurality of signal contacts, each independent of each other, are arranged. As a result, according to the connector device according to the second invention of the present application, it is possible to simplify the mold structure in the insert molding of the insulating housing, and the number of man-hours required for setting the members in the mold. can result in a reduction in

FIG. 3 is a perspective view showing an example of a metal member integrally formed with a plurality of contact forming portions and an inner shell, which is provided for implementation of an example of the method of manufacturing a connector device according to the first invention of the present application; FIG. 3 is a perspective view showing an example of a metal member integrally formed with a plurality of contact forming portions and an inner shell, which is provided for implementation of an example of the method of manufacturing a connector device according to the first invention of the present application; FIG. 4 is a cross-sectional view for explaining insert molding used for implementing an example of the method for manufacturing a connector device according to the first invention of the present application; FIG. 4 is a cross-sectional view for explaining insert molding used for implementing an example of the method for manufacturing a connector device according to the first invention of the present application; A plurality of through-holes in which a plurality of contact forming portions and an inner shell are arranged and which are positioned corresponding to the plurality of contact forming portions, which are obtained in the steps of an example of the manufacturing method of the connector device according to the first invention of the present application. is a plan view showing an example of an insulating housing provided with . FIG. 6 is a sectional view showing a section taken along line VI-VI in FIG. 5; FIG. 5 is a cross-sectional view for explaining a step of separating the contact forming portion from the inner shell in one example of the method of manufacturing the connector device according to the first invention of the present application; A plurality of signal contacts and an inner shell obtained in the steps of an example of the manufacturing method of the connector device according to the first invention of the present application are arranged, and are arranged at positions corresponding to respective one ends of the plurality of signal contacts. FIG. 4 is a plan view showing an example of an insulating housing provided with a plurality of through holes; FIG. 9 is a cross-sectional view showing a cross section taken along line IX-IX in FIG. 8; FIG. 4 is a perspective view showing an example of a connector device according to a second invention of the present application together with a plurality of coaxial cables connected thereto; FIG. 6 is a perspective view showing an example of a connector device according to a second invention of the present application, with a cover shell member removed from the insulating housing, together with a plurality of coaxial cables connected thereto; FIG. 10 is a perspective view showing an insulating housing constituting an example of a connector device according to a second invention of the present application, together with a plurality of coaxial cables connected thereto; FIG. 10 is a perspective view showing a single insulating housing constituting an example of a connector device according to a second invention of the present application; FIG. 10 is a perspective view showing a single insulating housing constituting an example of a connector device according to a second invention of the present application; FIG. 14 is a partial perspective view showing an enlarged inside of a dashed-dotted line ring XV in FIG. 13; FIG. 10 is a perspective view showing a mating connector device to which an example of a connector device according to a second invention of the present application is fitted and connected together with a wiring board on which it is mounted; FIG. 11 is a perspective view showing a state in which an example of a connector device according to a second invention of the present application, to which a plurality of coaxial cables are connected, is fitted and connected to a mating connector device mounted on a wiring board; FIG. 4 is a plan view showing a state in which an example of a connector device according to a second invention of the present application, to which a plurality of coaxial cables are connected, is fitted and connected to a mating connector device; FIG. 19 is a cross-sectional view showing a cross section taken along line XIX-XIX in FIG. 18; FIG. 19 is a cross-sectional view showing the XX-XX cross section in FIG. 18;

BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be explained with the first and second embodiments of the present invention described below.

In one example of the manufacturing method of the connector device according to the first invention of the present application, each step will be described as follows.

When one example of the method of manufacturing a connector device according to the first invention of the present application is carried out, first, as shown in FIGS. A metal member 13 is prepared. The metal member 13 is formed of, for example, a metal plate material, the plurality of contact forming portions 11 are arranged along the first direction, and the plurality of signal contacts 15 (see FIGS. 8 and 9 to be described later). ), and the inner shell 12 supports a plurality of contact forming portions 11 .

In the prepared metal member 13, the inner shell 12 includes a support shell portion 17 extending along the first direction to support the plurality of contact forming portions 11, and a plurality of coaxial cables (for example, 10, 12, 17, etc.) are connected to each ground conductor (for example, a ground conductor 16a shown in FIG. 12, etc., which will be described later) to transmit the ground potential to a plurality of ground conductors. and a connection shell portion 19 connecting the ground bar shell portion 18 to the support shell portion 17, and the support shell portion 17 is formed integrally with the ground bar shell portion. 18 and extends along the first direction. The connecting shell portion 19 has a plurality of ground contacts 19 a in its portion close to the support shell portion 17 , and a portion close to the ground bar shell portion 18 in it serves to electromagnetically shield the signal contacts 15 . The shield portion 19b is formed to exert a The plurality of ground contacts 19a are distributed in the arrangement of the plurality of contact formation portions 11, and in the example of the metal member 13 shown in FIGS. Each contact forming portion 11 is sandwiched between a pair of ground contacts 19a.

Next, the prepared metal member 13 is placed in a fixed mold 20 in an insert molding mold comprising a fixed mold 20 and a movable mold 21 arranged opposite to the fixed mold 20 as shown in FIG. set inside. At this time, the fixed mold 20 is provided with the through-hole forming portion 22 protruding toward the movable mold 21 . A plurality of through-hole forming portions 22 are provided at positions corresponding to the plurality of contact forming portions 11 on the set metal member 13 . Then, as shown in FIG. 3, with the metal member 13 set in the fixed mold 20, the movable mold 21 is displaced toward the fixed mold 20 along the direction indicated by the arrow A, As shown in FIG. 4, it is engaged with the fixed mold 20 so that a molding space in which the metal member 13 is arranged is formed between the fixed mold 20 and the movable mold 21 .

After that, as shown in FIG. 4, the fixed mold 20 and the movable mold 21 forming a molding space formed between the fixed mold 20 and the movable mold 21 and in which the metal member 13 is disposed are separated from each other. Insulating resin R in a molten state is injected into a metal mold for insert molding, and then insert molding is performed in which the insulating resin R in a molten state is solidified. After the insulating resin has solidified, the insert-molded product is taken out from the insert-molding mold comprising the fixed mold 20 and the movable mold 21, and the cross section taken along the line VI-VI in FIG. 5 and FIG. As shown in FIG. 6, the metal member 13 is attached to the insulating member 23, each portion of the plurality of contact forming portions 11, the ground bar shell portion 18 of the inner shell 12, and the plurality of ground contacts 19a of the connecting shell portion 19. To obtain an insulating housing 25 which is arranged in such a manner that a portion forming a is exposed on the surface of an insulating member 23, and in which a plurality of through holes 24 are provided in the insulating member 23 at positions respectively corresponding to the plurality of contact forming portions 11. . A plurality of through-holes 24 provided in the insulating member 23 of the insulating housing 25 are formed corresponding to the plurality of through-hole forming portions 22 provided in the fixed mold 20 described above. are arranged along the arrangement direction of

Subsequently, the plurality of contact forming portions 11 are separated from the supporting shell portion 17 of the inner shell 12 through the plurality of through holes 24 provided in the insulating member 23 of the insulating housing 25, and the insulating member 23, in addition to the inner shell 12, An insulating housing 25 is obtained in which a plurality of independent signal contacts 15 each formed by a plurality of contact forming portions 11 separated from the supporting shell portion 17 are arranged (FIG. 8). Separation of the plurality of contact forming portions 11 from the support shell portion 17 of the inner shell 12 through the plurality of through holes 24 provided in the insulating member 23 is performed, for example, by a die (female die) as shown in FIG. ) 26 and a punch (male type) 27 are used. At that time, as shown in FIG. 7, the contact forming portion 11 is formed by inserting cylindrical portions 26a provided on the die 26 into the plurality of through holes 24 formed in the insulating member 23 of the insulating housing 25, respectively. , and the punch 27 is advanced into the cylindrical portion 26a of the die 26 along the direction indicated by the arrow B from the direction in which the contact forming portion 11 is sandwiched between the cylindrical portion 26a of the die 26, The contact forming portion 11 is separated from the supporting shell portion 17 of the inner shell 12 by punching out the portion corresponding to the through hole 24 in the contact forming portion 11 . In this manner, the plurality of contact forming portions 11 separated from the support shell portion 17 of the inner shell 12 independently form the plurality of signal contacts 15 arranged in the insulating housing 23 . As a result, an insulating housing 25 in which a plurality of independent signal contacts 15 are arranged in addition to the inner shell 12 to the insulating member 23 is formed as shown in FIG. can get. Signal conductors of a plurality of coaxial cables 16 (for example, signaled conductors 16b shown in FIG. 12 and the like, which will be described later) are connected to the plurality of signal contacts 15, respectively.

In the insulating housing 25 shown in FIGS. 8 and 9, a plurality of through holes 24 are arranged in the insulating member 23 at positions corresponding to one ends of the plurality of signal contacts 15 arranged in an array. is formed through each through-hole 24, through which one end of the corresponding signal contact 15 is partially visible. In the insulating housing 25, a plurality of ground contacts 19a formed by the connecting shell portion 19 of the inner shell 12 are arranged in the insulating member 23 while being dispersed in the arrangement of the signal contacts 15. Two adjacent signal contacts 15 are sandwiched between a pair of ground contacts 19a.

As shown in FIG. 9, each of the plurality of signal contacts 15 arranged on the insulating member 23 in the insulating housing 25 has a contact portion 15a bent and extending from one end corresponding to the through hole 24. ing. Such contact portions 15a are contact-connected to mating signal contacts in the mating connector device when the connector device with insulating housing 25 is mated to the mating connector device. In addition, the ground bar shell portion 18 in the inner shell 12 arranged on the insulating member 23 extends along the arrangement direction of the plurality of signal contacts 15, and the connecting shell portion in the inner shell 12 arranged on the insulating member 23. A shield portion 19 b formed by 19 is provided to exert an electromagnetic shielding action on the plurality of signal contacts 15 .

In this way, the inner shell 12 having the connecting shell portion 19 forming the ground bar shell portion 18 and the ground contact 19a obtained by insert molding using an insulating resin is arranged independently of each other. The ground conductors 16a of the plurality of coaxial cables 16 each having the signal conductors 16b connected to the plurality of signal contacts 15 are connected to the insulating housing 25 in which the plurality of signal contacts 15 are arranged on the insulating member 23. A ground bar member to be connected, a cover shell member for covering the arranged signal contacts 15, mounting brackets, and the like are attached as necessary to complete the connector device provided with the insulating housing 25. FIG.

According to such an example of the manufacturing method of the connector device according to the first invention of the present application, when the insulating housing 25 is obtained by insert molding using an insulating resin, it is melted into the mold for insert molding. It is not necessary to position and set the plurality of signal contacts and the inner shell formed separately in the mold for insert molding prior to the injection of the insulating resin R placed thereon, and the plurality of contact forming portions is eliminated. It suffices to set the metal member 13 integrally formed of the 11 and the inner shell 12 in the mold for insert molding. Compared to positioning and setting in the mold, the mold structure can be simplified, and the number of man-hours required for setting the member in the mold can be reduced. As a result, it is possible to contribute to a reduction in the cost of manufactured connector devices.

In the example of the manufacturing method of the connector device according to the first invention of the present application, the insulating housing 25 is obtained by insert molding using an insulating resin. The method is not limited to obtaining the insulating housing 25 by insert molding using an insulating resin, and it is also possible to obtain an insulating housing corresponding to the insulating housing 25 by a method other than insert molding. be.

FIG. 10 shows an example of a connector device according to the second invention of the present application together with a plurality of coaxial cables connected thereto, and FIG. A section is shown with multiple coaxial cables connected to it.

10 and 11, a connector device 31, which is an example of a connector device according to the second invention of the present application, is attached to, for example, a wiring board or the like after a plurality of coaxial cables 16 are connected to the wiring board. It is intended to be used as a plug connector for mating connection with a receptacle connector, which is a mating connector device to which electrical connection is made between the two, and an insulating housing 32 made of an insulating material such as synthetic resin. A ground bar member 33 that connects the ground conductors of the plurality of coaxial cables 16, and covers substantially the entire top surface of the insulating housing 32 in which the ground bar member 33 is arranged for countermeasures against electromagnetic noise from the outside. A metal cover shell 34 is attached to the insulating housing 32 as a cover shell 34 (in FIG. 11, the cover shell 34 is removed from the insulating housing 32).

The plurality of coaxial cables 16, as shown in FIG. 12, each have a ground conductor 16a and a signal conductor 16b surrounded by the ground conductor 16a. The ground conductor 16a and signal conductor 16b are exposed as required.

The insulating housings 32 are arranged along a first direction (the direction indicated by the arrow L in FIG. 12), which is the longitudinal direction of the insulating housings 32, respectively, as shown in FIGS. A plurality of signal contacts 35 and a plurality of ground contacts 36 are provided, and an inner shell 37 extending along the first direction is arranged. The plurality of ground contacts 36 are distributed in the arrangement of the plurality of signal contacts 35 , and two adjacent signal contacts 35 are sandwiched between a pair of ground contacts 36 . The plurality of signal contacts 35, the plurality of ground contacts 36, and the inner shell 37 are partially embedded in the insulating member 38 that constitutes the insulating housing 32, with portions thereof exposed on the surface of the insulating member 38. there is

In the insulating housing 32, the insulating member 38 extends along the first direction so as to be inserted into a fitting recess provided in a mating connector device, which is a receptacle connector attached to a wiring board or the like. An extending fitting protrusion 39 is formed. The fitting projections 39 are formed to protrude outward from the insulating housing 32, extend in the longitudinal direction (first direction) of the fitting projections 39, and mutually extend in a direction perpendicular to the first direction. It has a pair of opposing side wall surface portions that face each other. Further, the insulating member 38 is provided with a plurality of through holes 40 arranged along the first direction and arranged at positions corresponding to one ends of the plurality of signal contacts 35, respectively. As shown in FIG. 15, which is an enlarged view of the dashed-dotted line ring XV in FIG. 13, through each of the plurality of through holes 40, one end of each of the plurality of signal contacts 35 can be partially seen. It is assumed.

Each of the plurality of signal contacts 35 is arranged on one of a pair of opposing side wall portions of a fitting convex portion 39 formed by an insulating member 38 so that a connector device 31 having an insulating housing 32 is fitted to a mating connector device. It has a contact portion 35a which is contact-connected to a mating signal contact in the mating connector device and a connecting portion 35b to which the signal conductor 16b of each of the plurality of coaxial cables 16 is connected.

The inner shell 37 connects a support shell portion 37a that supports a plurality of ground contacts 36 and ground conductors 16a of the plurality of coaxial cables 16 each having a signal conductor 16b connected to a connection portion 35b of the signal contact 35. A shield disposed on the other of the pair of opposed side wall portions of the fitting protrusion 39 formed by the ground bar shell portion 37b and the insulating member 38, and provided to exert an electromagnetic shielding action on the plurality of signal contacts 35. and a portion 37c (shown in FIGS. 19 and 20, which will be described later). The shield portion 37c is contact-connected to a mating ground contact in the mating connector device when the connector device 31 having the insulating housing 32 is mated to the mating connector device.

Each of the plurality of ground contacts 36 has a connecting portion 36a to which one end portion of the ground bar member 33 is connected, and a pair of fitting projections 39 formed by the insulating member 38, as shown in FIG. 20 to be described later. and a contact portion 36b disposed on one of the opposing side wall portions to be contact-connected to the mating ground contact of the mating connector device when the connector device 31 having the insulating housing 32 is fitted and connected to the mating connector device. have. The inner shell 37 plays a role of transmitting the ground potential to the ground conductors 16a of the plurality of coaxial cables 16 each having the signal conductors 16b connected to the plurality of signal contacts 35, respectively.

The ground bar member 33 connects the ground conductors 16a of the plurality of coaxial cables 16, the signal conductors 16b of which are connected to the connecting portions 35b of the signal contacts 35, and is attached to the insulating housing 32. , and as shown in FIG. 20, which will be described later, one end thereof is connected to the connecting portion 36a of each of the plurality of ground contacts 36. As shown in FIG. Further, the cover shell 34 is attached to the insulating housing 32 so as to substantially entirely cover the upper surface side of the insulating housing 32 in which the ground bar member 33 is arranged. As shown, it is contact-connected to the ground bar member 33 on its inner side.

According to the connector device 31 as described above, the insulating housings 32 are provided in an array and arranged at a position corresponding to one end of each of the plurality of signal contacts 35, through which the plurality of signal contacts 35 are arranged. Each of the plurality of signal contacts 35 arranged in the insulating housing 32 is also connected to the insulating housing 35. It is possible to visually confirm through the through hole 40 provided in the insulating housing 32 whether or not it is properly separated from the arranged inner shell 37 .

Further, in the connector device 31 as described above, the insulating housing 32, in which the plurality of signal contacts 35 and the plurality of ground contacts 36 and the inner shell 37 are arranged on the insulating member 38, is made of an insulating resin. It can be obtained by insert molding. When the insulating housing 32 is obtained by insert molding using an insulating resin, for example, a metal member is prepared in which a contact forming portion forming a plurality of signal contacts 35 and an inner shell 37 are integrally formed, and the An insert that injects insulating resin in a molten state into the mold for insert molding after setting the metal member in the mold for insert molding, and then hardens the insulating resin in a molten state. Molding is carried out so that each portion of the plurality of contact forming portions, each portion of the plurality of ground contacts 36, and portions such as the ground bar shell portion 37b and the shield portion 37c of the inner shell 37 are formed on the surface of the insulating member 38. After forming the insulating housing 32 in which the insulating member 38 is provided with a plurality of through holes 40 corresponding to the plurality of contact forming portions, the insulating member 38 is provided with a A plurality of contact forming portions are separated from the inner shell 37 through each of the plurality of through holes 40 to obtain an insulating housing 32 in which a plurality of independent signal contacts 35 are arranged in addition to the inner shell 37 . In this way, when the insulating housing 32 is obtained by insert molding using an insulating resin, a metal member in which the contact forming portion and the inner shell 37 forming a plurality of signal contacts 35 and the inner shell 37 are integrally formed is used. By using it, the structure of the insert molding die can be simplified, and the number of man-hours required for setting members in the insert molding die can be reduced.

FIG. 16 shows a mating connector device 41 forming a receptacle connector to which the connector device 31 is fitted and connected together with a wiring board 42 on which it is mounted.

In FIG. 16, the mating connector device 41 is attached to a wiring board 42 by being electrically connected to an electric circuit component provided on the wiring board 42. The mating connector device 41 is mounted on a wiring board 42, and the mating connector device 41 is made of an insulating material such as synthetic resin. It has The mating insulating housing 43 has a mating concave portion 44 extending in the longitudinal direction of the mating insulating housing 43 into which the mating protrusion 39 formed by the insulating member 38 of the insulating housing 32 of the connector device 31 is fitted and inserted. .

The contact portions 35 a of the signal contacts 35 of the connector device 31 and the ground contacts 36 of the connector device 31 contact the portion of the mating insulating housing 43 forming the fitting recess 44 , that is, the mating recess forming portion of the mating connector device 41 . A plurality of mating signal contacts 45 (shown in FIG. 19 to be described later) and a plurality of mating ground contacts 46 (also shown in FIG. 20 to be described later) are to be in contact with the portion 36b respectively. The respective grooves 45G and 46G are arranged along the longitudinal direction of the counterpart insulating housing 43. As shown in FIG. In the arrangement of such grooves 45G and 46G, two adjacent grooves 45G are sandwiched by a pair of grooves 46G. A plurality of mating signal contacts 45 and a plurality of mating ground contacts 46 respectively arranged in these grooves 45G and 46G are connected to an electric circuit configuration section provided on a wiring board 42 to which the mating connector device 41 is attached. there is

When the aforementioned connector device 31 is fitted and connected to the mating connector device 41 as described above, the mating convex portion 39 formed by the insulating member 38 in the insulating housing 32 of the connector device 31 acts as the mating insulation of the mating connector device 41 . It is fitted and inserted into the fitting recess 44 formed by the housing 43 .

FIG. 17 shows a state in which a connector device 31 connected to a plurality of coaxial cables 16 shown in FIG. 10 is fitted and connected to a mating connector device 41 mounted on a wiring board 42 shown in FIG. 18 shows a connector device 31 mated to a mating connector device 41 with a plurality of coaxial cables 16 connected thereto.

When the connector device 31 to which a plurality of coaxial cables 16 are connected is fitted and connected to the mating connector device 41, as shown in FIG. , the signal conductor 16b and the ground conductor 16a of each of the plurality of coaxial cables 16 are connected to the connection portion 35a of the corresponding one of the plurality of signal contacts 35 arranged on the insulating member 38 that constitutes the insulating housing 32, and also the insulating housing. 32 are connected to the ground bar shell portions 37b in the inner shell 37 disposed on the insulating member 38 constituting the 32, respectively. Further, the cover shell 34 is brought into contact with the ground bar member 33 connecting the ground conductors 16a of the coaxial cables 16 each having the signal conductors 16b connected to the signal conductors 16b. be done. A fitting convex portion 39 formed by an insulating member 38 forming an insulating housing 32 of the connector device 31 is fitted and inserted into a fitting concave portion 44 formed by a mating insulating housing 43 of a mating connector device 41. Accordingly, the contact portions 35 a of the plurality of signal contacts 35 arranged on the insulating member 38 constituting the insulating housing 32 of the connector device 31 are connected to the plurality of mating signals arranged on the mating insulating housing 43 of the mating connector device 41 . They are contact-connected to contacts 45 respectively.

Further, as shown in FIG. 20 showing the XX-XX line cross section in FIG. 18, in the connector device 31, one end portion of the ground bar member 33 connecting the ground conductors 16a of each of the plurality of coaxial cables 16 are contact-connected to connection portions 36 a of each of a plurality of ground contacts 36 arranged on an insulating member 38 that constitutes the insulating housing 32 . Further, the contact portions 36 a of the plurality of ground contacts 36 arranged on the insulating member 38 constituting the insulating housing 32 of the connector device 31 are connected to the plurality of mating ground contacts arranged on the mating insulating housing 43 of the mating connector device 41 . 46, and in addition, the shield portion 37c of the inner shell 37 disposed on the insulating member 38 constituting the insulating housing 32 of the connector device 31 was disposed on the mating insulating housing 43 of the mating connector device 41. It is contact-connected to a plurality of mating ground contacts 46 .

Thereby, the signal conductors 16b of each of the plurality of coaxial cables 16 are provided on the wiring board 42 to which the mating connector device 41 is attached through the signal contacts 35 of the connector device 31 and the mating signal contacts 45 of the mating connector device 41. The ground conductors 16 a of each of the plurality of coaxial cables 16 are connected to the ground bar member 33 , the inner shell 37 and the ground contacts 36 of the connector device 31 and the counterparts of the counterpart connector device 41 . Through the ground contact 46, it is electrically connected to an electrical circuit configuration portion provided on the wiring board 42 to which the mating connector device 41 is attached. Further, under such circumstances, the inner shell 37 of the connector device 31 is applied with a ground potential and transmits it to the ground conductor 16a of each of the plurality of coaxial cables 16. The shield part 37c exerts an electromagnetic shielding effect on the plurality of signal contacts 35 to which the signal conductors 16b of the plurality of coaxial cables 16 are respectively connected.

In the method for manufacturing a connector device according to the first invention of the present application as described above, the plurality of arranged signal contacts and the metallic inner shell extending along the arrangement direction of the plurality of signal contacts are provided integrally. In a method of manufacturing a connector device having an insulating housing with a metal mold, when insert molding is performed to obtain an insulating housing in which a plurality of signal contacts and an inner shell are integrally provided, the mold structure is simplified. This will reduce the number of man-hours required for setting members in the mold. It can be widely applied. A connector device according to a second invention of the present application includes an insulating housing integrally provided with a plurality of arranged signal contacts and a metallic inner shell extending along the arrangement direction of the plurality of signal contacts. In the connector device, when insert molding is performed to obtain an insulating housing integrally provided with a plurality of signal contacts and an inner shell, the mold structure can be simplified. Moreover, the number of man-hours required for setting the member in the mold can be reduced, and it can be widely applied to various electronic devices.

DESCRIPTION OF SYMBOLS 11... Contact formation part, 12, 37... Inner shell, 13... Metal member, 15, 35... Signal contact, 15a, 35a, 36b... Contact part, 16... Coaxial cable , 16a... ground conductor, 16b... signal conductor, 17, 37a... support shell portion, 18, 37b... ground bar shell portion, 19... connection shell portion, 19a, 36... Ground contact 19b, 37c Shield part 20 Fixed mold 21 Movable mold 22 Through hole forming part 23, 38 Insulating member 24, 40. Through hole 25, 32 Insulating housing 26 Die 27 Punch 31 Connector device 33 Ground bar member 34 Cover shell 35b, 36a... Connection part 39... Fitting convex part 41... Partner connector device 42... Wiring board 43... Partner insulating housing 44... Fitting concave part 45... - Opponent signal contact, 45G, 46G... Groove part, 46... Opponent ground contact

Claims (9)

a plurality of signal contacts arranged along a first direction to which respective signal conductors of the plurality of coaxial cables are connected and each having a contact portion contact-connected to a mating signal contact in a mating connector device; a plurality of respective contact forming portions, extending along the first direction while supporting the plurality of contact forming portions, connecting ground conductors of the plurality of coaxial cables to apply a ground potential to the ground conductors; preparing a metal member integrally formed with an inner shell having a ground bar shell portion for transmission,
The metal member is disposed on the insulating member so that the respective portions of the plurality of contact forming portions and the portion of the ground bar shell portion are exposed on the surface of the insulating member, and the insulating member is disposed on the plurality of contact forming portions. forming an insulating housing with a plurality of correspondingly positioned through holes;
An insulating housing is provided in which the plurality of contact forming portions are separated from the inner shell through the plurality of through holes provided in the insulating member, and in addition to the inner shell, a plurality of independent signal contacts are arranged. obtaining a connector device,
A method of manufacturing a connector device characterized by: The insulating housing, in which the metal member is arranged in the insulating member and the insulating member is provided with the plurality of through holes, is obtained by insert molding in which the metal member and the insulating member are integrally formed. 2. The method of manufacturing a connector device according to claim 1. The inner shell comprises: the ground bar shell portion; a support shell portion extending along the first direction facing the ground bar shell portion and supporting the plurality of contact forming portions; and the ground bar shell portion. and a connecting shell portion that connects to the supporting shell portion, and a part of the connecting shell portion forms a ground contact that is contact-connected to the mating ground contact in the mating connector device. 2. The method of manufacturing a connector device according to claim 1, wherein the connector device is formed. 4. The method of manufacturing a connector device according to claim 3, wherein a portion of said connecting shell portion adjacent to said ground bar shell portion is formed to exert an electromagnetic shielding effect on said plurality of signal contacts. a plurality of signal contacts arranged along a first direction to which the signal conductors of the plurality of coaxial cables are respectively connected and each having a contact portion contact-connected to a mating signal contact in a mating connector device; and an inner shell extending along the first direction to connect the ground conductors of the plurality of coaxial cables to transmit a ground potential to the ground conductors, and are fitted and connected to the mating connector device. with an insulating housing that
The insulating housings are arranged along the first direction, each arranged at a position corresponding to one end of each of the plurality of signal contacts, through which the one end is partially extended. 1. A connector device characterized in that it is provided with a plurality of through-holes through which one can see. 6. The connector device according to claim 5, wherein each of said plurality of signal contacts and each of said inner shell are partially embedded in said insulating housing. The inner shell includes: a ground bar shell portion that extends along the first direction and connects ground conductors of the plurality of coaxial cables; and a ground bar shell portion that faces the ground bar shell portion along the first direction. 6. The connector device according to claim 5, further comprising a supporting shell portion extending vertically and a connecting shell portion connecting said ground bar shell portion to said supporting shell portion. 8. The connector device according to claim 7, wherein a portion of said connecting shell portion adjacent to said supporting shell portion constitutes a ground contact that is contact-connected to a mating ground contact of said mating connector device. 8. The connector device according to claim 7, wherein a portion of said connecting shell portion adjacent to said ground bar shell portion exerts an electromagnetic shielding effect on said plurality of signal contacts.

Images