TWI472101B - Electrical connector - Google Patents

Description

Connector device

The invention described in the patent application of the present invention relates to a connector device that connects a plurality of coaxial cables and is inserted and connected to a receptacle connector provided on a hard wiring substrate or the like as a plug connector. (plug connector) use.

When a plurality of thin coaxial cables are connected to a hard wiring substrate on which various electrical components are mounted, a plug connector that connects a plurality of coaxial cables and a hard wiring substrate are often used and mounted on the hard wiring substrate. The wiring substrate constitutes an electrical connection and is inserted into a receptacle connector that connects the plug connector.

When the plug connector is inserted into the socket connector, if the insertion direction of the plug connector to the socket connector is set, for example, in a direction substantially parallel to the surface of the hard wiring substrate on which the socket connector is mounted, It is set to be substantially orthogonal to the direction of the surface of the hard wiring substrate on which the socket connector is mounted. Hereinafter, a plug connector that is disposed in a direction in which the socket connector is inserted in a direction substantially parallel to the surface of the hard wiring substrate on which the socket connector is mounted is referred to as a horizontal plug-in type connector, and is set as needed. The plug connector in which the pair of receptacle connectors are inserted in a direction substantially orthogonal to the surface of the hard wiring substrate on which the receptacle connector is mounted is referred to as a vertical plug-in type plug connector.

In this premise, the plug connector includes an insulating case provided with a connection fitting portion that is inserted into a fitting opening portion or a fitting recess portion of the socket connector and is fitted into the socket connector. And the connection fitting portion is disposed to be disposed with a plurality of signal contacts electrically connected to the signal conductors (internal conductors) of the plurality of coaxial cables connected to the plug connector, and coaxial with each of the plurality of strips The ground conductor (outer conductor) in the cable forms the ground contact for the electrical connection. Most of the plug connectors are provided with a conductive cover that is disposed to partially cover the insulative housing, the plurality of signal contacts, and the ground contacts to impart a ground potential.

Further, when the connection fitting portion of the insulating case provided in the plug connector is inserted into the fitting opening portion or the fitting recess portion of the socket connector and is fitted into the socket connector, the plurality of signal contact members are respectively contacted. A plurality of signal contacts connected to the socket connector side, and the ground contacts contact the ground contacts connected to the socket connector side. Thereby, the signal conductors connected to the plurality of coaxial cables of the plug connector are connected to the signal terminals in the hard wiring substrate electrically connected to the plug connector through the plug connector and the socket connector, and are connected The ground conductors of the plurality of coaxial cables of the plug connector are connected to the ground terminals of the hard wiring substrate electrically connected to the plug connector through the plug connector and the socket connector.

In such a plug connector, when the ground conductors of the plurality of coaxial cables connected thereto are electrically connected to the ground contacts, the grounding conductors of the plurality of coaxial cables are mostly electrically connected and A ground connection member common to a plurality of coaxial cables to electrically connect the ground connection member to the ground contact. In this case, the electrical connection of the ground conductors of the plurality of coaxial cables formed by the ground connection member is, for example, a state in which a plurality of coaxial cables are formed such that the exposed portions of the ground conductors are arranged in a specific direction. Thereby, it is easy to carry out by connecting the ground connection members extending in a specific direction in common contact with the plurality of ground conductors arranged in the arrangement. On the other hand, when the ground connection member to which the ground conductor of each of the plurality of coaxial cables is connected is electrically connected to the ground contact, the following method has been conventionally known.

One of the methods for electrically connecting a ground connection member to a ground contact member is a conductive plug that is in contact with a ground connection member in a plug connector of a vertical insertion type, and a conductive case is formed in the conductive case. The ground contact of the conductive cover provided on the socket connector side contacts the connected ground contact, thereby substantially achieving electrical connection between the ground connection member and the ground contact (for example, refer to Patent Document 1). Moreover, another conventional method of electrically connecting a ground connection member to a ground contact is a vertical insertion type plug connector, and a connection terminal portion protruding from the ground connection member is provided, and the connection terminal portion is provided. In alignment with the ground contact, the terminal portion and the ground contact are electrically connected (for example, refer to Patent Document 2).

In the vertical plug type plug connector (8) disclosed in the above Patent Document 1, which employs another conventional method of electrically connecting a ground connection member to a ground contact member, is attached to an insulative housing (male housing 9). A plurality of signal contacts (male contacts 11), a conductive case (ground frame 12), and a ground connection member (ground bar 4) are arranged. The ground connection member is provided to be pre-assembled in a plurality of coaxial cables (shielded wires 3), and is disposed in the insulating casing together with the coaxial cable. The conductive case is formed with a ground contact member (male protruding piece 26) protruding from the center portion of the longitudinal direction (the direction in which the plurality of signal contacts are arranged).

The grounding contact is disposed such that when the plug connector (8) and the receptacle connector (socket connector 14) are in a fitted state, and the conductive cover (shroud 16) provided on the socket connector side The ground contact (the female protruding piece 39) is in contact with the contact, and the conductive shell forming the ground contact is electrically connected to the ground connecting member. Thereby, the state in which the ground connection member is electrically connected to the ground contact can be obtained.

Further, in the vertical plug type plug connector (1) disclosed in Patent Document 2, which is one of the methods for electrically connecting a ground connection member to a ground contact member, the insulative housing (11) is disposed. The two ground connection members (the upper grounding rod GU and the lower grounding rod GD) are connected to each other by a plurality of signal contacts (signal conductive terminals 12) and grounding contacts (grounding conductive terminals 13). Further, in a central portion of one of the two ground connection members (the upper grounding rod GU) in the longitudinal direction (the direction in which the plurality of signal contacts are arranged), a connection terminal portion (ground connection tongue GUa) protruding therefrom is formed. The connection terminal portion is soldered to the ground contact. Thereby, the state in which the ground connection member is electrically connected to the ground contact can be obtained.

Patent Document 1: Japanese Laid-Open Patent Publication No. 2008-97875 (pages 5-8, Figs. 2 to 5, and 7)

Patent Document 2: JP-A-2008-147020 (pages 4-8, Figs. 4-10)

As described in the above Patent Document 1, a conductive case provided in contact with a ground connection member is provided, and the conductive case is formed in contact with a ground contact member of a conductive cover provided on a socket connector side. The grounding contact member, thereby substantially achieving the electrical connection of the grounding connection member and the grounding contact member, in the plug connector of the vertical insertion type, in the ground contact member formed on the conductive housing and on the side of the socket connector In order to reliably perform the contact connection when the ground contact of the conductive cover is in contact connection, it is necessary to provide the ground contact formed on the conductive case to have elasticity and to exert an elastic pressing force on the contact object. Such a ground contact which exerts an elastic pressing force on the contact object at the time of contact connection must have a shape for effectively utilizing elasticity, a large size, and a surrounding space, and thus there is a problem that the plug connector as a whole is enlarged.

Further, as disclosed in Patent Document 2, a central portion of the plurality of signal contact members in the ground connection member is formed with a connection terminal portion protruding therefrom, and the connection terminal portion is soldered to the ground contact portion. In the conventionally inserted vertical plug type plug connector in which the ground connection member is electrically connected to the ground contact member, it is necessary to electrically connect the ground conductors of the plurality of coaxial cables to the ground connection member. A special type of connection terminal portion protruding from the center portion of the longitudinal direction is formed. Therefore, in order to raise a special ground connection member, the manufacturing cost is increased.

Furthermore, in recent years, the requirements for the above-mentioned plug connector are high, and the narrow pitch of the plurality of signal contacts and the ground contact members can be mentioned. In the plug connector disclosed in Patent Document 2 in which a plurality of signal contacts and ground contacts are narrowly pitched in response to such a request, a special connection from a central portion in the longitudinal direction of the ground connecting member is desired. When the terminal portion is soldered to the ground contact member disposed in the insulating case, extremely high dimensional accuracy is required for both the connection terminal portion and the ground contact member, and the correct alignment of the connection terminal portion and the ground contact member must be performed. The operation of preventing the subsequent positional shift, the result of which increases the number of work steps and also leads to an increase in manufacturing cost.

In view of the above, the invention described in the scope of the patent application of the present invention provides a connector device having a function of a horizontal plug-in type plug connector, which is not caused when the ground connection member is to be electrically connected to the ground contact member. The problem of the overall enlargement, and the need for special grounding members, not only can avoid the increase of the working steps, but also avoid the increase of the manufacturing cost. The connector device has an insulating outer casing, and is arranged in a plurality of signals. a connection fitting portion of the contact member and the ground contact member; and a ground connection member electrically connecting the ground conductors disposed in each of the plurality of coaxial cables of the insulating housing; and inserting the connection fitting portion into the socket connector When the fitting mouth is in a fitting state with the socket connector, the plurality of signal contacts respectively contact a plurality of socket side signal contacts connected to the socket connector, and the ground contact is contacted and connected to the socket connector. Socket side ground contact.

The connector device according to any one of claims 1 to 6 (hereinafter referred to as the present invention) of the invention is provided with an insulating case for inserting a fitting opening provided in the socket connector. Forming a connection fitting portion extending in the first direction; the plurality of signal contacts are disposed to have the contact portions disposed in the connection fitting portion and arranged in the first direction, and respectively connected to the plurality of coaxial cables The signal conductor is disposed such that the contact portion is in contact with the socket-side signal contact member disposed on the socket connector; the ground contact member is disposed to have a contact portion disposed at the connection fitting portion, and is disposed to be disposed in the contact portion a socket-side ground contact of the socket connector; the ground connection member extending in the first direction and electrically connecting the ground conductors of the plurality of coaxial cables respectively connected to the signal conductors of the plurality of signal contacts; and conducting The shell is provided in the insulating shell by insert molding, and is held by the insulating shell and has a strip portion extending in the first direction; the conductive shell has a strip portion a part of the first ground connection portion connected to the ground connection member and formed in the strip portion from one of the pair of opposite side edge portions along the first direction and configured to be welded to the ground contact member Second ground connection.

In particular, in the connector device of the present invention, the second aspect of the patent application is a connection fitting portion, and the function of any one of the signal contact member and the ground contact member is disposed via the contact portion of the ground contact member. One of the pairs of virtual contacts.

Further, in the connector device of the present invention, the ground contact member described in the fifth aspect of the invention is a ground contact member, and is formed in the insulating case by insert molding together with the conductive case when the insulating case is formed.

In the connector device of the present invention configured as described above, in the case where the arrangement direction of the plurality of signal contacts disposed in the insulating case is the first direction, it is placed in the insulating case by insert molding, and is held by the insulating case. The conductive case having the strip-shaped portion extending in the first direction includes a first ground connection portion that is connected to one of the strip-shaped portions and is connected to the ground connection member, and the second ground connection portion is formed in The strip portion protrudes from one of the opposing side edge portions along one of the first directions and is welded to the ground contact. Further, the first ground contact portion is connected to the ground connection member, and the second ground contact portion is soldered to the ground contact member, whereby the ground connection member is electrically connected to the ground contact member through the conductive case.

The contact fitting portion of the insulating case in which the contact portions of the plurality of signal contacts and the contact portions of the ground contacts are arranged, for example, as in the connector device of the present invention described in claim 2, The contact portion of the ground contact is provided with a pair of dummy contacts that do not function as either of the signal contact and the ground contact.

Further, the ground contact member which is disposed in the insulating case and which is welded to the second ground connection portion of the conductive case is, for example, the connector device of the present invention described in claim 5, when the insulating case is formed. And being placed in the insulating case by insert molding together with the conductive case including the first ground connection portion and the second ground connection portion.

Further, the conductive case is electrically connected to the ground connection member, and the first ground connection portion of the conductive case is connected to the ground connection member, and is provided with a partial cover of the insulation case, a plurality of signal contacts, a ground contact, and a ground. In the case of the connecting member and the conductive cover of the conductive case, the conductive cover may be interposed.

In the connector device of the present invention, when the ground connection member is to be electrically connected to the ground contact member, the conductive case is used, and the first ground connection portion of the conductive case is connected to the ground connection member and the second The ground connection portion is soldered to the ground contact member, thereby obtaining a state in which the ground connection member is electrically connected to the ground contact member through the conductive case, wherein the ground connection member is to have signal conductors respectively connected to the plurality of signal contacts. The grounding conductors of the plurality of coaxial cables are electrically connected, and the grounding contacts have contact portions that are in contact with the socket-side grounding contacts disposed on the socket connector, and the conductive shells are disposed in the insulating housing by insert molding The strip-shaped portion that is held and extended in the first direction by the insulating case has a first ground connection portion and a second ground connection portion that are provided in the strip portion.

In this manner, the first ground connection portion provided in the conductive case is connected to the ground connection member and the second ground connection portion is soldered to the ground contact member, thereby obtaining the ground connection member electrically connected to the ground contact member through the conductive case. In this state, the first ground connection portion and the second ground connection portion and the ground contact member provided in the conductive case are not required to be provided with elasticity so that the elastic pressing force acts on the contact object. Therefore, the first ground connection portion, the second ground connection portion, and the ground contact member provided in the conductive case do not need to have a shape for effectively utilizing elasticity, a large size, a surrounding space, and the like, and can be sufficiently obtained. Since the connector device of the present invention is miniaturized, there is no problem that the overall size is increased.

Further, in the connector device of the present invention, the ground contact member that is soldered to the second ground connection portion of the conductive case is formed, for example, when the insulating case is formed, that is, the first ground connection portion is provided. The conductive case of the second ground connection portion is placed in the insulating case by insert molding. Therefore, the second ground connection portion and the ground contact member provided in the conductive case are set to be correctly positioned and do not generate each other. The position is shifted and placed in an insulating case. Therefore, it is possible to obtain the state in which the second ground connection portion is soldered to the ground contact member without the correct alignment of the second ground connection portion and the ground contact member provided in the conductive case and the operation for preventing the positional deviation thereafter. . Further, since the connection between the first ground connection portion and the ground connection member provided in the conductive case is performed under the premise that the ground connection member extends in the first direction, it is not necessary to be special for the first ground connection portion and the ground connection member. Aligned work. As a result, when the first ground connection portion provided to obtain the conductive case is connected to the ground connection member, and the second ground connection portion is welded to the ground contact member, the number of work steps can be avoided and manufacturing can be avoided. The situation is also rising in cost.

The solder connection of the second ground connection portion to the ground contact member, for example, together with the signal connection of the plurality of signal conductors of the plurality of coaxial cables to the corresponding ones of the plurality of signal contacts, by one of pulse heating methods Welding is carried out. In this case, as in the connector device of the present invention described in the second aspect of the patent application, the connection fitting portion formed by arranging the contact portions of the plurality of signal contact members and the insulating portion of the contact portion of the ground contact member is arranged. Under the premise that a pair of dummy contacts disposed along the contact portion of the ground contact member is provided, excess solder is accumulated between the ground contact member and the dummy contact member, and the second ground connection portion can be surely grounded. The solder joints of the contacts are connected and prevent unwanted solder from flowing out undesirably.

Furthermore, in the connector device of the present invention, since the ground connection member can be electrically connected to the ground contact member through the conductive case in the above manner, when the ground connection member is to be electrically connected to the ground contact member, it is not necessary. The special ground connection member can also avoid the situation that the manufacturing cost is also increased.

The form for carrying out the invention is described with respect to the embodiments of the invention described below.

[Examples]

1 (a perspective view seen from the upper side), and FIG. 2 (a perspective view seen from the lower side), showing a horizontal plug-in type plug connector constituting an example of the connector device of the present invention, and a plurality of coaxial cables mounted thereto The horizontal plug-in type plug connector is, for example, a fitting connection to a receptacle connector that is mounted on a hard wiring board or the like and that is electrically connected to the hard wiring board or the like.

1 and 2, a horizontal plug-in type plug connector 11 constituting an example of a connector device of the present invention is shown at the same time as a plurality of coaxial cables 12 mounted thereon. Further, for the plug connector 11, for convenience, the surface shown in Fig. 1 is referred to as the upper surface, and the surface shown in Fig. 2 is referred to as the lower surface opposite to the upper surface.

The plug connector 11 is provided with an insulating case 13 formed of an insulating material such as synthetic resin, and the insulating case 13 is along the longitudinal direction thereof (the longitudinal direction of the plug connector 11 (direction indicated by an arrow L: In the left-right direction)), a plurality of signal contacts 15 and a plurality of signal contacts 16 respectively formed of a conductive material are alternately arranged. The signal contacts 15 and the signal contacts 16 form a plurality of plug-side signal contacts integrally. That is, the plurality of plug-side signal contacts arranged in the insulating housing 13 are arranged to include a plurality of signal contacts 15 and a plurality of signal contacts 16. In addition, a plurality of plug-side signal contacts including a plurality of signal contacts 15 and a plurality of signal contacts 16 are respectively connected with signal conductors of a plurality of coaxial cables 12.

Further, the insulating case 13 is provided with a ground contact 17 at a position corresponding to a substantially central portion in a direction in which the plurality of signal contacts 15 and the plurality of signal contacts 16 are arranged (hereinafter referred to as a contact arrangement direction). . The ground contact 17 is disposed at a position where the plurality of signal contacts 15 and the central portions of the plurality of signal contacts 16 are arranged in the insulating case 13. Further, the ground contact 17 has a function of conducting a ground potential to each of the ground conductors of the plurality of coaxial cables 12.

A plurality of signal contacts 15, a plurality of signal contacts 16, and a ground contact 17, for example, are formed of a metallic material of a phosphor bronze plate.

In addition, the plurality of signal contacts 15 respectively have a contact portion 15a that is in contact with the socket-side signal contact member disposed on the socket connector when the plug connector 11 is inserted into the socket connector, and a plurality of signal contacts are contacted. The member 16 has a contact portion 16a that is in contact with the socket-side signal contact member disposed on the socket connector when the plug connector 11 is inserted into the socket connector. Further, the ground contact member 17 has a contact portion 17a that comes into contact with the socket-side ground contact member disposed on the socket connector when the plug connector 11 is inserted into the socket connector.

The socket connector is connected to the hard wiring board or the like to be electrically connected to the hard wiring board or the like, and is disposed on the socket side signal contact of the socket connector, and is connected to the signal terminal portion of the hard wiring board or the like, and is further configured. The socket-side ground contact of the socket connector is connected to a ground terminal portion of a hard wiring substrate or the like to provide a ground potential.

In this premise, the contact portions 15a of the plurality of signal contacts 15 , the contact portions 16 a of the plurality of signal contacts 16 , and the portion 13 a of the contact portion 17 a of the ground contact 17 are arranged in the insulating housing 13 . The plate-like portion extending in the longitudinal direction of the insulating case 13 is provided to form the connection fitting portion 18.

The connecting portion 18 formed by the portion 13a of the insulating case 13 is inserted into a fitting opening portion of the insulating case inserted into the socket connector of the plug connector 11, thereby forming the plug connector 11 and the socket connector Chimeric state. When the connection fitting portion 18 is inserted into the fitting opening portion of the insulating case provided in the socket connector and is fitted into the socket connector, each of the contact portions 15a and the plurality of signal contacts 16 of the plurality of signal contacts 15 The contact portion 16a is in contact with a plurality of socket-side signal contacts disposed on the socket connector to perform signal transmission between the plurality of signal contacts 15 and 16 and the plurality of socket-side signal contacts, and ground contact The contact portion 17a of the member 17 is in contact with the socket-side ground contact member disposed on the socket connector, and conducts the ground potential given to the socket-side ground contact portion to the ground contact 17.

Further, in the connection fitting portion 18, a pair of dummy contacts 19 having no function of any of the signal contact and the ground contact are disposed via the contact portion 17a of the ground contact 17. These dummy contacts 19 are, for example, formed of a metallic material of a phosphor bronze plate, but are not electrically connected to any other portion, and are not in contact with any other portion.

Connected to the signal conductors of the plurality of coaxial cable 12 of the plurality of plug-side signal contacts of the plurality of signal contacts 15 and the plurality of signal contacts 16, respectively, as external electromagnetic wave noise countermeasures, connected by plugs The upper side of the device 11 is covered by a conductive cover 20 formed of a conductive material, and further, on the lower surface side of the plug connector 11, by a conductive shell 21 formed of a conductive material. The conductive cover 20 is formed at both ends of the longitudinal direction (longitudinal direction of the plug connector 11), and a pair of protruding portions 20a are formed to be fitted to the receptacle connector from the socket connector. In the state of the plug connector 11, the handle portion for plucking is formed, and a plurality of solder introduction holes 20b are formed between the pair of projecting portions 20a. Further, in the conductive shell 21, at both end portions in the longitudinal direction (longitudinal direction of the plug connector 11), a pair of protruding portions 22 are formed to be respectively engaged with one of the conductive covers 20 to protrude Part 20a.

The conductive case 21 is provided to be held in the insulating case 13 by insert molding, and is provided in the insulating case 13 and has a strip shape extending in the longitudinal direction of the connecting fitting portion 18, that is, the direction in which the contact portions are arranged. Part 23. One of the pair of protruding portions 22 is formed at both end portions of the strip portion 23 in the direction in which the contact portions are arranged.

As shown in FIG. 3, in the conductive case 21, in addition to the pair of protruding portions 22 and the band portion 23, the engaging portion 24 with the socket connector is provided in the vicinity of the pair of protruding portions 22. Further, a plurality of solder introduction holes 25 are formed in the strip portion 23, and a portion including the region where the solder introduction hole 25 is formed in the strip portion 23 and extending in the longitudinal direction of the strip portion 23 is provided in the following description. The ground connection member 30 shown in FIG. 7 constitutes a first ground connection portion 26 that is soldered. Further, one of the opposing side edge portions 27 and 28, that is, the side edge portion 27, along one of the longitudinal direction of the strip portion 23, is formed so as to protrude therefrom and form a welded connection with the ground contact member 17. The second ground connection portion 29.

Therefore, the conductive case 21 is provided with a first ground connection portion 26 which is a part of the band portion 23 which is provided to extend in the longitudinal direction (contact arrangement direction) and is welded to the ground connection member 30. And the second ground connection portion 29 is formed to protrude from one of the opposite side edge portions 27 and 28, that is, the side edge portion 27 along the longitudinal direction of the strip portion 23, and is formed with the ground contact 17 Welded connection. The second ground connection portion 29 is provided with a branch portion at its front end, and this branch portion has a function of holding the ground contact 17. Further, the first ground connection portion 26 and the ground connection member 30 are connected to each other, and the second ground connection portion 29 and the ground contact portion 17 are welded to each other. When the ground contact is applied to the ground contact 17, the ground potential is transmitted. The conductive shell 21 is conducted to the ground connection member 30.

4 shows a state in which the plurality of signal contacts 15, a plurality of signal contacts 16, the ground contacts 17, and a pair of dummy contacts 19 are combined in the conductive case 21 shown in FIG. The plurality of signal contacts 15 , the plurality of signal contacts 16 , the ground contacts 17 , and the pair of dummy contacts 19 are combined with the conductive shell 21 to form the strip 23 of the conductive shell 21 . The second ground connection portion 29 of the side edge portion 27 is engaged with the ground contact portion so that the branch portion provided at the front end thereof grips one end portion (the end portion on the strip portion 23 side of the conductive shell 21) 17, thereby being in a state of maintaining the ground contact 17.

Further, the second ground connection portion 29 formed in the conductive case 21 does not have to be provided with a branch portion at the tip end thereof, and may be provided so as to be in contact with the end portion of the ground contact 17 without the branch portion.

The conductive shell 21, the plurality of signal contacts 15, the plurality of signal contacts 16, the ground contacts 17, and the pair of dummy contacts 19 are combined for use with an insulating material, that is, a synthetic resin. The resin molding of the insulating case 13 is formed. In addition, as a result of the resin molding, a plurality of signal contacts 15, a plurality of signal contacts 16, a ground contact 17, a pair of dummy contacts 19, and a conductive shell are disposed as shown in FIG. Insulating housing 13 of 21. Therefore, when the insulating case 13 is formed by resin molding, the conductive case 21 is formed by insert molding in the insulating case 13, and further, a plurality of signal contacts 15 and a plurality of the plurality of signal contacts 15 are inserted and formed together with the conductive case 21. The signal contact 16, the ground contact 17, and a pair of dummy contacts 19.

At this time, the second ground connection portion 29 formed in the conductive case 21 and the ground contact 17 are inserted into the state in which the second ground connection portion 29 is engaged with the end portion of the ground contact 17 . Therefore, the second ground connection portion 29 formed on the conductive shell 21 is engaged with the ground contact 17, that is, it can be reliably maintained without causing a positional shift therebetween.

As shown in FIG. 6 in which the portion enclosed by the chain frame Z shown in FIG. 5 is enlarged, the insulating case 13 is formed by resin molding, and the band formed in the conductive case 21 is formed. The branching portion at the front end of the second ground connecting portion 29 of the side edge portion 27 of the portion 23 is formed by gripping the end portion of the ground contact 17 from the side of the strip portion 23 of the conductive shell 21 forming the lower surface of the plug connector 11. The manner is engaged with the ground contact 17, whereby the ground contact 17 is held. Further, the branch portions constituting the front end of the second ground connection portion 29 are disposed between the ground contact 17 and the pair of dummy contacts 19, respectively.

7 is a view showing an insulating case 13 in which a plurality of signal contacts 15, a plurality of signal contacts 16, a ground contact 17, a pair of dummy contacts 19, and a conductive case 21 are disposed as shown in FIG. A state in which a plurality of coaxial cables 12 having the ground connection member 30 are provided is provided. The ends of the plurality of coaxial cables 12 are respectively processed so that the signal conductors 31 and the ground conductors 32 (shown in Fig. 9) are exposed. In addition, each of the signal conductors 31 of the plurality of coaxial cables 12 is in contact with a corresponding one of the plurality of signal contacts 15 and the plurality of signal contacts 16. Moreover, the ground connection member 30 extends in the direction in which the contacts are arranged, that is, in the longitudinal direction of the insulating case 13, and is soldered to each of the ground conductors 32 of the plurality of coaxial cables 12, thereby being electrically connected to each other. The ground conductor 32 of the cable 12. Further, each of the signal conductors 31 of the plurality of coaxial cables 12 is one of the corresponding ones of the plurality of signal contacts 15 and the plurality of signal contacts 16 (the strip portion 23 side of the conductive shell 21) The end) is in a state of contact.

Although not shown in FIG. 7, the ground connection members 30 are arranged in a pair, and the pair of ground connection members 30 are provided so as to extend in the direction in which the contacts are arranged, and are opposed to each other via the coaxial cable 12. Further, among the pair of ground connection members 30, which are shown in FIG. 7, a part of the strip portion 23 in the conductive shell 21 extends and extends in the direction in which the contacts are arranged, that is, in the longitudinal direction of the insulating case 13. The first ground connection portion 26 is in a contact state.

Figure 8 shows one of the processes associated with the plug connector 11. In the step shown in FIG. 8, the signal conductor 31 of the plurality of coaxial cables 12 is provided on the premise that the insulating housing 13 is provided with a plurality of coaxial cables 12 with the connecting members 30 as shown in FIG. The portions of the plurality of signal contacts 15 and the ends of the plurality of signal contacts 16 are respectively disposed, and the heating portion 33a of the pulse heating device 33 is disposed for each of the signal conductors 31 of the plurality of coaxial cables 12. By the pulse heating method, the ends of the corresponding ones of the plurality of signal contacts 15 and the plurality of signal contacts 16 are soldered together. At this time, for example, the bonding wires extending in the direction in which the contacts are arranged are arranged in advance on the signal conductors 31 of the plurality of coaxial cables 12 arranged in the direction in which the contacts are arranged, and then the welding is performed by pulse heating.

In this manner, for each of the signal conductors 31 of the plurality of coaxial cables 12, the ends of the corresponding ones of the plurality of signal contacts 15 and the plurality of signal contacts 16 are collectively performed by pulse heating. At the same time as the solder connection, the end portion of the ground contact 17 is soldered to the end portion of the ground contact 17 as shown in FIG. 6 and constitutes a branch portion at the front end of the second ground connection portion 29, wherein the second ground is provided. The connecting portion 29 is formed on the side edge portion 27 of the strip portion 23 of the conductive shell 21. That is, for each of the signal conductors 31 of the plurality of coaxial cables 12, the solder connection of the corresponding ones of the plurality of signal contacts 15 and the plurality of signal contacts 16 and the formation of the conductive shell 21 The second ground connection portion 29 of the side edge portion 27 of the strip portion 23 is soldered to the ground contact 17, and is simultaneously performed by pulse heating. For the solder connection of the second ground connection portion 29 formed on the conductive case 21 to the end portion of the ground contact 17, for example, a signal which is arranged in advance in a plurality of coaxial cables 12 arranged in the direction in which the contacts are arranged is also used. The bonding wires on the conductor 31 are carried out.

At this time, since the insulating case 13 is provided with a pair of dummy contacts 19 disposed at the ends of the ground contact 17 as shown in FIG. 6, the ground contacts 17 are soldered and formed on the conductive case 21 Since the second ground connection portion 29 prevents the solder remaining in the second ground connection portion 29 formed on the conductive case 21 from being welded to the end portion of the ground contact 17, excess solder is accumulated in the ground contact 17 and the dummy contact 19 Between the situation, and the unintended outflow.

In this manner, the signal conductors 31 of the plurality of coaxial cables 12 of the insulative housing 13 and the ends of the plurality of signal contacts 15 and the solder joints of the ends of the plurality of signal contacts 16 are soldered to the plurality of strips. The ground connection member 30 of the ground conductor 32 of the coaxial cable 12 and the end portion of the ground contact 17 and the welded connection portion formed in the second ground connection portion 29 of the conductive case 21 are partially covered by the ground connection member. The metal conductive cover 20 on the upper side of the insulating case 13 is covered.

As shown in FIG. 9 which is a cross-sectional view taken along the line IX-IX in FIG. 1, a signal conductor 31 having a coaxial cable 12 having a ground conductor 32 held by a pair of grounding members 30 is soldered to the signal contact member. The end portion of 15 or 16 and the solder connection is formed so that the second ground connection portion 29 protruding from the side edge portion 27 of the strip portion 23 of the conductive shell 21 is at the end of the ground contact member 17, The inner surface of the conductive cover 20 is welded to one of the pair of ground connection members 30 (the upper side in FIG. 9) by solder 35, and the first part of the strip portion 23 constituting the conductive case 21 is formed. The inner surface of the ground connection portion 26 is welded to the other of the pair of ground connection members 30 (the lower side in FIG. 9) by solder 35. One of the pair of ground connection members 30 is soldered to the inner surface of the conductive cover 20, and is formed in the plurality of solder introduction holes 20b of the conductive cover 20, and is used for introduction of the solder 35, and in a pair. The other of the ground connection members 30 is soldered to the inner surface of the first ground connection portion 26 of the conductive cover 20, and is formed in the plurality of solder introduction holes 25 of the conductive case 21, and is used for introduction of the solder 35. .

Fig. 10 shows a state in which the plug connector 11 described above is inserted and connected to the receptacle connector 41.

The receptacle connector 41 shown in Fig. 10 is provided with a socket-side insulating case 42 formed of an insulating material such as synthetic resin. The socket-side insulating case 42 is provided with a fitting opening portion 43 into which the connecting fitting portion 18 formed by the insulating case 13 of the plug connector 11 is inserted, and the socket-side insulating case 42 is inserted from the fitting opening portion 43 to the socket-side insulating case 42. The interior of the connecting portion has a connection fitting receiving space. The socket-side insulating case 42 is disposed, for example, on a wiring board (not shown), and the socket connector 41 is entirely mounted on the wiring board.

Further, the receptacle connector 41 is provided with a conductive case 44 to cover the peripheral portion of the socket-side insulating case 42 except the fitting opening portion 43 or the other end face opposite to the side end surface portion on which the fitting opening portion 43 is provided. Residual parts other than the Ministry. That is, the conductive case 44 is used to partially cover the socket-side insulating case 42. The conductive case 44 is formed by processing a metal plate, and is provided, for example, as a shield effect for use in the socket connector 41 to obtain electromagnetic wave noise from the outside.

The conductive case 44 is provided with a plurality of substrate mounting portions 44a at both ends of the longitudinal direction (longitudinal direction (left-right direction) of the receptacle connector 41). When the entire socket connector 41 is attached to the wiring board, the plurality of board mounting portions 44a are fastened to the wiring board by soldering, for example. Further, the conductive case 44 is also provided with a plurality of ground connection portions 44b. The ground connection portions 44b are connected to the grounding circuit in the wiring board when the entire socket connector 41 is mounted on the wiring board.

The socket connector 41 is provided with a plurality of socket-side signal contacts 45 which are arranged in the longitudinal direction (left-right direction) and are formed of a conductive material. When the plurality of socket side signal contact members 45 are connected to the connection fitting portion 18 formed by the insulating case 13 of the plug connector 11, when the connection fitting portion 43 is inserted into the connection fitting portion accommodating space, the contact connection portions are respectively disposed. The contact portions 16a of the plurality of signal contacts 16 of the fitting portion 18 are connected. Moreover, the socket connector 41 has a plurality of socket side signal contacts, but these are not shown in the figure, wherein the plurality of socket side signal contacts are arranged along the longitudinal direction (left and right direction) thereof. When the connection fitting portion 18 formed by the insulating case 13 of the plug connector 11 is inserted into the connection fitting portion accommodating space via the fitting opening portion 43, the plurality of signals disposed in the connection fitting portion 18 are respectively contact-contacted. The contact portions 15a of the contacts 15 are formed of a conductive material, respectively.

The plurality of socket-side signal contacts contacting the contact portions 15a of the plurality of signal contacts 15 and the plurality of socket-side signal contacts 45 respectively contacting the contact portions 16a of the plurality of signal contacts 16 are respectively connected to the socket. The longitudinal direction (left-right direction) of the connector 41 is alternately arranged, and one of the ends protrudes to the outside of the socket-side insulating case 42 and is connected to the terminal portion of the signal circuit in the wiring board on which the receptacle connector 41 is mounted. Thereby, the connection fitting portion 18 formed in the insulating case 13 of the plug connector 11 in the fitting opening portion 43 is inserted into the connection fitting portion accommodating space via the fitting opening portion 43, and the contact portions 15a of the plurality of signal contact members 15 are inserted. The contacts are connected to the plurality of socket-side signal contacts, and the contact portions 16a of the plurality of signal contacts 16 are respectively connected to the plurality of socket-side signal contacts 45, and are respectively soldered and connected to the ends of the plurality of signal contacts 15. And a plurality of signal conductors 31 of the plurality of coaxial cables 12 at the ends of the plurality of signal contacts 16, that is, through the plurality of signal contacts 15 and the plurality of socket-side signal contacts, and through the plurality of signal contacts 16 and the plurality The socket side signal contact member 45 is connected to a signal circuit in the wiring board on which the socket connector 41 is mounted.

Furthermore, the socket connector 41 is in contact with a plurality of socket-side signal contacts that respectively connect the contact portions 15a of the plurality of signal contacts 15 arranged alternately, and the contact portions 16a that respectively contact the plurality of signal contacts 16 are connected. The substantially central position of the plurality of socket side signal contacts 45 is provided with a socket side ground contact 46 (FIG. 11) which is connected to the insulating housing 13 of the plug connector 11. When the fitting portion 18 is inserted into the connection fitting portion accommodating space via the fitting opening portion 43, the fitting portion 18 is in contact with the contact portion 17a of the ground contact 17 disposed in the connection fitting portion 18, and is formed of a conductive material.

As shown in FIG. 11 showing a cross section taken along the line XI-XI in FIG. 10, the socket-side ground contact 46 has one of the branching portions, the upper arm portion 51 and the lower arm portion 52. In the upper arm portion 51, a contact portion 53 is formed at a front end portion thereof, and in the lower arm portion 52, a contact portion 54 is formed at a middle portion thereof, and at both end portions of the contact portion 54 The connection terminal portion 55 and the locking portion 56 held by the socket-side insulating case 42 are formed, respectively. The connection terminal portion 55 formed at one end portion of the lower arm portion 52 is electrically connected to the terminal portion of the grounding circuit in the wiring substrate, for example, by soldering when the socket connector 41 as a whole is mounted on the wiring board.

Further, on the premise that the connection fitting portion 18 formed by the insulating case 13 of the plug connector 11 is inserted into the connection fitting portion accommodating space via the fitting opening portion 43, the socket-side ground contact member 46 is pressed into contact with the connection portion. The contact portion 17a in the ground contact 17 of the fitting portion 18. At this time, the upper arm portion 51 and the lower arm portion 52 of the socket-side ground contact member 46 are formed at positions where the connection fitting portion 18 is sandwiched, and are formed at the contact portion 53 of the upper arm portion 51, that is, from above in FIG. The contact portion 54 formed on the lower arm portion 52, that is, the contact portion 17a in the ground contact member 17 is electrically connected to the ground contact member 17 from the lower side in FIG. And the connection fitting portion 18 is held.

Thereby, the connection fitting portion 18 formed by the insulating case 13 of the plug connector 11 in the fitting opening portion 43 is inserted into the connection fitting portion accommodating space via the fitting opening portion 43, and the socket-side ground contact member 46 is pressed into contact with When the contact portion 17a in the ground contact 17 of the fitting portion 18 is connected, the strip portion is welded to the conductive shell 21 (having the second ground connecting portion 29 soldered to the end portion of the ground contact portion 17). The first ground connection portion 26 of the second ground connection portion 26 and the ground conductor 32 of the plurality of coaxial cables 12 connected by the ground connection member 30, that is, the ground contact 17 and the socket-side ground contact 46 are connected to the socket connection. A grounding circuit in the wiring substrate of the device 41.

In the horizontal plug-in type plug connector 11 constituting an example of the connector device of the present invention, when the ground connection member 30 is electrically connected to the ground contact member 17, the conductive case 21 is used, and the conductive case 21 is provided. The first ground connection portion 26 is soldered to the ground connection member 30 and the second ground connection portion 29 is soldered to the ground contact 17 , whereby the ground connection member 30 is electrically connected to the ground contact 17 through the conductive case 21 . The grounding member 30 is electrically connected to the grounding conductor 32 having a plurality of coaxial cables 12 respectively connected to the signal conductors 31 of the plurality of signal contacts 15 and 16, the grounding contacts 17 being disposed and arranged The contact portion 17a of the receptacle connector 41 of the receptacle connector 41 contacts the contact portion 17a. The conductive housing 21 is provided in the insulating housing 13 by insert molding, and has a strip shape held by the insulating housing 13 and extending in the direction in which the contacts are arranged. The portion 23 includes a first ground connection portion 26 and a second ground connection portion 29 provided in the strip portion 23 .

In this manner, the ground connection member 30 can be electrically connected to the ground contact 17 through the conductive case 21, whereby the first ground connection portion 26 and the second ground connection portion 29 of the conductive case 21 are in contact with the ground. The member 17, none of which need to be provided to have elasticity to cause elastic pressing force to act on the contact object. Therefore, the first ground connection portion 26, the second ground connection portion 29, and the ground contact member 17 provided in the conductive case 21 do not need to have an elastic shape, a large size, a surrounding space, or the like, respectively. In order to achieve sufficient miniaturization, the plug connector 11 does not cause a problem of increasing the overall size.

Further, in the plug connector 11, the ground contact 17 that is soldered to the second ground connection portion 29 provided in the conductive case 21 is formed to have the first ground connection portion when the insulating case 13 is formed. Since the conductive case 21 of the second ground connection portion 29 is placed in the insulating case 13 by insert molding, the second ground connection portion 29 and the ground contact member 17 provided in the conductive case 21 are set correctly. The ground is positioned and disposed in the insulative housing 13 without causing a positional shift therebetween. Therefore, it is not necessary to obtain the second ground connection portion 29 soldered to the ground for the correct alignment of the second ground connection portion 29 and the ground contact member 17 provided in the conductive shell 21 and to prevent the positional deviation thereafter. The state of the contact member 17. Moreover, since the connection of the first ground connection portion 26 provided in the conductive case 21 to the ground connection member 30 is performed on the premise that the ground connection member 30 extends in the direction in which the contacts are arranged, it is not necessary to be the first ground connection portion. The operation of 26 is specifically aligned with the ground connection member 30. As a result, when the first ground connection portion 26 included in the conductive case 21 is to be welded and connected to the ground connection member 30, and the second ground connection portion 29 is welded and connected to the ground contact 17, the operation step can be avoided. At the same time, the manufacturing cost is also rising.

The solder connection of the second ground connection portion 29 to the ground contact member 17, for example, can be combined with the solder connection of the signal conductors 31 of the plurality of coaxial cables 12 to the corresponding ones of the plurality of signal contacts 15 and 16. It is carried out by one of the pulse heating methods and welding. At this time, since the connection fitting portion 18 formed by arranging the insulating portions 13 of the contact portions 15a and 16a of the plurality of signal contacts 15 and 16 and the contact portion 17a of the ground contact 17 is arranged, the ground contact is provided. A pair of dummy contacts 19 disposed at the contact portion 17a of the 17a, so that excess solder is accumulated between the ground contact 17 and the dummy contact 19, and the second ground connection portion 29 can be surely performed on the ground contact 17 Solder joints and prevent unwanted solder from flowing out undesirably.

Further, in the plug connector 11, since the ground connection member 30 is electrically connected to the ground contact 17 through the conductive case 21 in the above-described manner, the ground connection member 30 is to be electrically connected to the ground contact 17 in order to electrically connect the ground connection member 30. In this case, a special grounding member is not required, thereby avoiding an increase in manufacturing cost.

The connector device of the present invention can be used, for example, as a horizontal plug-in type plug connector for plug-in connection with a socket connector mounted on a hard wiring substrate, and can be easily and easily prevented from being increased in manufacturing cost. The electrical connection between the ground connection member electrically connecting the ground conductors connected to the plurality of coaxial cables connected thereto and the ground contact member is surely performed, and the ground connection member is not required to be used, and can be widely applied to various electronic components. Machines, etc.

11. . . Plug connector

12. . . Coaxial cable

13. . . Insulated housing

15,16. . . Signal contact

15a, 16a, 17a. . . Contact

17‧‧‧Gearing contacts

18‧‧‧Connecting the fitting

19‧‧‧Virtual contact

20‧‧‧Electrical cover

20b, 25‧‧‧ solder introduction hole

21,44‧‧‧Electrical shell

23‧‧‧Strip

26‧‧‧1st ground connection

Side edge of 27,28‧‧‧ (belt 23)

29‧‧‧2nd ground connection

30‧‧‧Ground connection member

31‧‧‧ Signal conductor

32‧‧‧ Grounding conductor

41‧‧‧Socket connector

42‧‧‧Socket side insulation shell

43‧‧‧ fitting mouth

45‧‧‧Socket side signal contact

46‧‧‧Socket side grounding contacts

51‧‧‧ upper arm

52‧‧‧ Lower arm

53,54‧‧‧Contact Department

55‧‧‧Connecting terminal

56‧‧‧Clocks

Fig. 1 is a perspective view showing an example of a connector device of the present invention and a coaxial cable connected thereto, as viewed from the upper side.

Fig. 2 is a perspective view showing an example of a connector device of the present invention and a coaxial cable connected thereto, as viewed from the lower side.

Fig. 3 is a perspective view showing a conductive case provided in an example of the connector device of the present invention.

Fig. 4 is a perspective view showing a signal contact member, a ground contact member, a virtual contact member, and a conductive case provided in an example of the connector device of the present invention.

Fig. 5 is a perspective view showing a signal contact member, a ground contact member, a virtual contact member, and an insulating case provided with a conductive case, which are provided in an example of the connector device of the present invention.

Fig. 6 is a partial perspective view showing the inside of the chain frame Z in Fig. 5 enlarged.

Figure 7 is a diagram showing a signal contact member, a ground contact member, a virtual contact member, and an insulating case provided with a conductive case provided in an example of the connector device of the present invention, which is provided with a coaxial cable with a ground connection member. A perspective view of the state.

Figure 8 is a perspective view of an illustration of a process for an example of a connector device of the present invention.

Fig. 9 is a cross-sectional view showing a cross section taken along the line IX-IX in Fig. 1.

Fig. 10 is a perspective view showing a state in which an example of the connector device of the present invention is fitted and connected to a socket connector.

Figure 11 is a cross-sectional view showing a cross section taken along the line XI-XI in Figure 10 .

11. . . Plug connector

12. . . Coaxial cable

13. . . Insulated housing

17. . . Ground contact

17a. . . Contact

18. . . Connection fitting

20. . . Conductive cover

twenty one. . . Conductive shell

twenty three. . . Band

26. . . First ground connection

27. . . Side edge portion of (belt portion 23)

29. . . Second ground connection

30. . . Ground connection member

31. . . Signal conductor

32. . . Grounding conductor

41. . . Socket connector

42. . . Socket side insulation housing

43. . . Mating mouth

44. . . Conductive shell

46. . . Socket side ground contact

51. . . Upper arm

52. . . Lower arm

53,54. . . Contact department

55. . . Connection terminal

56. . . Clamping part

Claims (5)

A connector device includes: an insulating case, wherein a connection fitting portion extending in a first direction is formed to be inserted into a fitting opening portion of the socket connector; and the plurality of signal contacts are disposed to be disposed in the connection The contact portions of the joint portion are arranged in the first direction, and respectively connected to the signal conductors of the plurality of coaxial cables, and are disposed such that the contact portions are in contact with the socket-side signal contact members disposed on the socket connector; the ground contact member The contact portion is disposed to have a contact portion disposed on the connection fitting portion, and the contact portion is disposed in contact with the socket-side ground contact member disposed on the socket connector; the ground connection member extends in the first direction, and Electrically connecting a ground conductor of a plurality of coaxial cables respectively connected to the signal conductors of the plurality of signal contacts; and a conductive shell disposed in the insulating housing by insert molding, by which the insulating housing is held and has a strip-shaped portion extending in the first direction; the contact portion is disposed in the contact portion of the ground contact member without the signal contact and the ground contact One of the functions of the member is a dummy contact, and the conductive case has a first ground connection portion that is a part of the strip portion and is connected to the ground connection member, and is formed in the strip portion a second ground connection portion that protrudes in one of the opposite side edges from the one of the first direction toward the second direction and that is welded to the ground contact, and the front end of the second ground connection portion is disposed at the second ground connection portion Between the ground contact and the virtual contact. The connector device according to claim 1, wherein the conductive case has a substantially central portion of the first ground connection portion disposed in the first direction of the connection fitting portion formed with the insulating case. Corresponding location. The connector device according to claim 1, wherein the conductive case is provided with a branching portion that has the second ground connecting portion provided to hold the ground contact. The connector device of claim 1, wherein the ground contact member is disposed in the insulating case together with the conductive case by insert molding when the insulating case is formed. The connector device of claim 1, comprising a conductive cover partially covering the insulating case, the plurality of signal contacts, the ground contact, the ground connection member, and the conductive cover, wherein the conductive cover is electrically The ground connection member and the conductive shell are connected.