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EP1684387A1 - Borne de mise à la terre et connecteur électrique comportant cette borne - Google Patents

Borne de mise à la terre et connecteur électrique comportant cette borne Download PDF

Info

Publication number
EP1684387A1
EP1684387A1 EP06100683A EP06100683A EP1684387A1 EP 1684387 A1 EP1684387 A1 EP 1684387A1 EP 06100683 A EP06100683 A EP 06100683A EP 06100683 A EP06100683 A EP 06100683A EP 1684387 A1 EP1684387 A1 EP 1684387A1
Authority
EP
European Patent Office
Prior art keywords
receptacle
connector
shell
electric connector
press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06100683A
Other languages
German (de)
English (en)
Inventor
Kiyohiko J.S.T. MFG.CO LTD CHIRAN
Akihiko J.S.T. MFG.CO. LTD ONCHI
Masayuki J.S.T. MFG. CO. LTD KASHIO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JST Mfg Co Ltd
Original Assignee
JST Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JST Mfg Co Ltd filed Critical JST Mfg Co Ltd
Publication of EP1684387A1 publication Critical patent/EP1684387A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the present invention relates to an electric connector used to electrically connect a plurality of substrates and the like.
  • an electric device such as cellular phone has a plurality of substrates therein. It is necessary to electrically connect the substrates each other so as to transmit and receive a variety of signals between the substrates.
  • a board-to-board type of connector assembly consisting of a plug connector and a receptacle connector fitted to each other, for example.
  • the plug connector and the receptacle connector are fitted to each other, so that the substrates are electrically connected.
  • a connector having a metal shield attached thereto as the connector used for the electrical device such as cellular phone.
  • a Japanese Patent Unexamined Publication No. Hei 10-335000 discloses a connector assembly consisting of a plug connector having a ground shell and a receptacle connector having a terminal including a second contact piece.
  • the second contact piece is engaged to an outer wall of the ground shell. Accordingly, in case that the terminal is grounded, it is possible to obtain a shield effect by the ground shell because the ground shell is grounded via the second contact piece.
  • the plug connector has the ground shell and the receptacle connector has the terminal including the second contact piece for grounding the ground shell. Accordingly, whenever the plug connector and the receptacle connector are inserted/disconnected, the ground shell is contacted, thereby applying a force to the second contact piece. Therefore, the terminal including the second contact piece is liable to be damaged.
  • an insulating housing is arranged to the outside of the second contact piece of the receptacle connector. Accordingly, it is impossible to see the second contact piece with eyes from the exterior of the receptacle connector. As a result, it is difficult to identify a plurality of receptacle connectors having the second contact pieces assembled at positions different from each other.
  • the plug connector and the receptacle connector are fitted to each other, so that the second contact piece and the ground shell are contacted to each other in the receptacle connector. Accordingly, even when the second contact piece and the ground shell are under non-contact state, it is difficult to repair the non-contact state from the exterior.
  • An object of the invention is to provide a high reliable earth terminal fitting and an electric connector having the same.
  • Another object of the invention is to provide an electric connector capable of being easily identified.
  • an earth terminal fitting assembled to an electric connector having a frame type shell for an electric connector and a housing insert-molded so that the electric connector shell is embedded therein, and having an end serving as a terminal to be connected to an attachment surface of a substrate on which the electric connector is mounted and the other end serving as a terminal to be connected to the other connector, the terminal fitting comprising a press-fit part pressed into the housing with the terminal fitting being assembled to the electric connector; a lead part connected to the press-fit part and having a leading end serving as a terminal to be connected to an attachment surface of a substrate on which the electric connector is mounted; and a shell contacting part contacted to the electric connector shell with the terminal fitting being assembled to the electric connector.
  • the invention it is possible to ground the electric connector shell assembled to the electric connector by means of the earth terminal fitting assembled to the same electric connector and contacting the shell. As a result, even when the electric connector is inserted/disconnected into/from the other connector, the contacted state between the earth terminal fitting and the shell is maintained. Accordingly, it is possible to prevent the earth terminal fitting from being damaged as the electric connector is inserted/disconnected into/from the other connector. Therefore, a reliability of the earth terminal fitting is improved. In addition, since it is possible to stably secure an earth route irrespective of the insertion/disconnection of the connectors, a reliability of the electric connector having the earth terminal fitting is also improved.
  • the earth terminal fitting may further comprise an elastic piece part connected to a side opposite to the press-fit part and the lead part, having a leading end serving as the terminal to be connected to the other connector and maintaining the other connector when the other connector is fitted. All the press-fit part, the elastic piece part and the shell contacting part may be protrusions protruding in a same direction.
  • an electric connector comprising a frame type shell for an electric connector, a housing insert-molded so that the electric connector shell is embedded therein and at least one of the above mentioned earth terminal fittings.
  • an electric connector comprising the electric connector shell and the earth terminal fitting having the shell contacting part contacted to the shell wherein the electric connector shell is earthed.
  • the contacted state between the earth terminal fitting and the shell is maintained. Accordingly, it is possible to prevent the earth terminal fitting from being damaged as the electric connector is inserted/disconnected into/from the other connector. Therefore, a reliability of the earth terminal fitting is improved.
  • the electric connector shell may have a protrusion protruding in a direction intersecting the attachment surface of the substrate on which the electric connector is mounted.
  • the electric connector in case that the electric connector is mounted on the attachment surface of the substrate, it is possible to fix the electric connector to the attachment surface by means of a soldering and the like. Accordingly, a release strength of the electric connector from the substrate is improved and it is suppressed the release of the electric connector from the substrate when the other connector fitted into the electric connector is disconnected. In addition, since it is possible to increase the earthed part of the shell by grounding the shell via the protrusion, the shell can be reliably earthed.
  • an electric connector comprising a frame type shell for an electric connector; a housing insert-molded so that the shell is embedded therein; an earth terminal fitting having a first press-fit part pressed into the housing, a first lead part connected to the first press-fit part and having a leading end serving as a terminal to be connected to an attachment surface of a substrate on which the electric connector is mounted, and a shell contacting part contacted to the electric connector shell and capable of being visible from an exterior of the electric connector; and a signal terminal fitting having a second press-fit part pressed into the housing and a second lead part connected to the second press-fit part and having a leading end serving as a terminal to be connected to the attachment surface of the substrate on which the electric connector is mounted, the signal terminal fitting having no shell contacting part.
  • the shell contacting part of the earth terminal fitting can be seen from the exterior of the electric connector with eyes, it is possible to easily check a position of the earth terminal fittin inserted into the electric connector. Accordingly, even when there are a plurality of electric connectors having the earth terminal fittings assembled at positions different from each other, it is possible to easily identify the electric connectors. In addition, an earthed part of the electric connector becomes clear in manufacturing process, keeping process and a process of a set maker. Further, in case that there is a problem at the shell contacting point (for example, the shell contacting part is not contacted to the shell), it is possible to easily perform a repair operation such as fixing operation with a soldering from the exterior of the electric connector.
  • the earth terminal fitting and the signal terminal fitting of the electric connector can be easily identified by a machine vision, for example, an inspection process of the electric connector is simplified.
  • shapes of the earth terminal fitting and the signal terminal fitting are almost same except whether or not there is the shell contacting part, it is possible to assemble the earth terminal fitting and the signal terminal fitting at any positions when assembling them to the electric connector.
  • the earth terminal fitting may further comprise a first elastic piece part connected to a side opposite to the first press-fit part and the first lead part, having a leading end serving as the terminal to be connected to the other connector and maintaining the other connector when the other connector is fitted, and all the first press-fit part, the first elastic piece part and the shell contacting part may be protrusions protruding in a same direction.
  • the electric connector shell may have a protrusion protruding in a direction intersecting the attachment surface of the substrate on which the electric connector is mounted.
  • the electric connector in case that the electric connector is mounted on the attachment surface of the substrate, it is possible to fix the electric connector to the attachment surface by means of a soldering and the like. Accordingly, a release strength of the electric connector from the substrate is improved and it is suppressed the release of the electric connector from the substrate when the other connector fitted into the electric connector is disconnected. In addition, since it is possible to increase the earthed part of the shell by grounding the shell via the protrusion, the shell can be reliably earthed.
  • Fig. 1 is a perspective view of a receptacle connector according to an embodiment of the invention.
  • Fig. 2 is a view showing a structure of the receptacle connector shown in Fig. 1 wherein Fig. 2A is a plan view, Fig. 2B is a front view and Figs. 2C an 2D are sectional views taken along lines X-X and Y-Y in Fig. 2A, respectively.
  • a receptacle connector 1 shown in Fig. 1 comprises a housing 10, a receptacle shell 20, receptacle contacts 30 and receptacle earth contacts 40.
  • the receptacle connector 1 is a thin small-sized connector having a height of about 1 mm. According to the invention, since it is possible to structure a very thin shell, it is more useful when the invention is applied to such thin small-sized connector.
  • the housing 10 is a member made of an insulating resin and having an approximately rectangular parallelepiped shape. As shown in Figs. 1 and 2A, a center of the housing is formed with an approximately rectangular fitting opening 11 into which a plug connector 2 (refer to Fig. 4) is fitted. Accordingly, an end surface (upper surface in Fig. 1) of the housing 10 becomes a ring shape. In addition, a protrusion member 12 protruding upwardly in the fitting opening 11 and having an approximately rectangular parallelepiped shape is formed at a bottom surface of the fitting opening 11. Since a horizontal cross section of the protrusion member 12 is smaller than that of the bottom surface of the fitting opening 11, a ring-shaped fitting recess 13 is formed between the protrusion member 12 and the outer circumference of the housing 10.
  • through-holes 14 extending in a horizontal direction and for attaching the receptacle contact 30 and the receptacle earth contact 40 to the housing 10 are formed at attachment positions (refer to Figs. 2A and 2B) of the receptacle contact 30 and the receptacle earth contact 40, respectively.
  • Press-fit recesses 16 communicating with the through-holes 15 and extending in a vertical direction are formed at a widthwise center of the long outer circumference 10a.
  • a plurality of apertures 17 are formed on upper surfaces of the outer circumferences 10a of the housing 10, respectively.
  • the apertures 17 are located to correspond to the attachment positions of the contacts and communicate with the press-fit recesses 16. Accordingly, in Fig. 1, it can be seen top portions of the press-fit part 31 of the receptacle contact 30 and the press-fit part 41 of the receptacle earth contact 40 in the apertures 17 (refer to Figs. 2C and 2D).
  • a plurality of recessed portions 18 extending in a vertical direction are formed at positions of the outer circumference of the protrusion member 12 corresponding to the attachment positions of the contacts.
  • Leading ends of elastic piece parts 32, 42 (refer to Figs. 2C and 2D) of the receptacle contact 30 and the receptacle earth contact 40 attached to the housing 10 are positioned at the recessed portions 18.
  • the receptacle shell 20 made of a conductive material is an integrally molded member having a nearly box shape obtained through punching and bending processes (refer to Fig. 3B).
  • the housing 10 is insert-molded such that the receptacle shell 20 is embedded therein. Accordingly, the housing 10 and the receptacle shell 20 are integrally formed.
  • the detailed structure of the receptacle shell 20 will be more specifically described later.
  • the receptacle contact 30 is a signal terminal fitting made of a conductive material of copper alloy such as brass. As shown in Fig. 2C, the receptacle contact 30 comprises a press-fit part 31 pressed into the housing 10, an elastic piece part 32 having a leading end serving as a terminal to be connected to the plug connector 2 and maintaining the plug connector 2 when the plug connector 2 is fitted, and a lead part 34 having a leading end serving as a terminal to be connected to an attachment surface of a substrate on which the receptacle connector 1 is mounted.
  • the press-fit part 31 is a protruding part having an approximately rod shape and pressed into the press-fit recess 16 formed in the outer circumference 10a of the housing. Accordingly, a horizontal cross section of the press-fit part 31 is almost same as that of the press-fit recess 16.
  • the press-fir part 31 has a length allowing the leading end thereof not to be protruded from the upper surface of the outer circumference 10a of the housing 10 when the receptacle contact 30 is attached to the housing 10.
  • the elastic piece part 32 is a protruding part extending from a root of the press-fit part 31 and having an approximately C-shape.
  • the leading end of the elastic piece part is nearly parallel to the press-fit part 31 and has a spring property in a direction toward the press-fit part 31. Accordingly, in case that a force, which acts in a direction away from the press-fit part 31, is applied to the leading end of the elastic piece part 32 from the exterior, the leading end is biased to a direction coming close to the press-fit part 31.
  • the plug connector 2 when the plug connector 2 is fitted into the receptacle connector 1, the plug connector 2 contacts the elastic piece part 32, so that the elastic piece part 32 becomes more distant from the press-fit part 31 and maintains the plug connector 2 (refer to Fig. 5).
  • the lead part 34 is a part having an approximately rod shape and extending from the root of the press-fit part 31 to a direction opposite to the extending direction of the elastic piece part 32 and almost perpendicular to the press-fit part 31. As a result, the lead part 34 and a portion of the elastic piece part 32 near to the press-fit part 31 are positioned on an approximately straight line.
  • the lead part 34 is fixed to the attachment surface of the substrate on which the receptacle connector 1 is mounted, by means of a soldering and the like. Like this, the press-fit part 31, the elastic piece part 32 and the lead part 34 of the receptacle contact 30 are arranged on a nearly same plane.
  • the receptacle earth contact 40 is an earth terminal fitting made of a conductive material of copper alloy such as brass. As shown in Fig. 2D, the receptacle earth contact 40 comprises a press-fit part 41 pressed into the housing 10, an elastic piece part 42 having a leading end serving as a terminal to be connected to the plug connector 2 and maintaining the plug connector 2 when the plug connector 2 is fitted, a shell contacting part 43 contacting an outer circumferential surface of the receptacle shell 20 and a lead part 44 having a leading end serving as a terminal to be connected to an attachment surface of a substrate on which the receptacle connector 1 is mounted.
  • the shell contacting part 43 is a protruding part having an approximately rod shape and protruding from the lead part 44 in nearly parallel to the press-fit part 41.
  • the receptacle earth contact 40 is attached to the housing 10, it is arranged in order of the shell contacting part 43, the press-fit part 41 and the elastic piece part 42 from the outer circumferential surface of the receptacle connector 1 (housing 10) toward the interior, as shown in Fig. 2D.
  • the press-fit part 41, the elastic piece part 42, the shell contacting part 43 and the lead part 44 are positioned on a nearly same plane and the press-fit part 41 and the leading end of the elastic piece part 42 and the shell contacting part 43 are protruded in a same direction and almost parallel to each other.
  • both the receptacle contact 30 and the receptacle earth contact 40 are plate-shaped members.
  • the elastic piece parts 32, 42 are inserted into the through-holes 15 of the housing 10 from the leading ends thereof and the press-fit parts 31, 41 are inserted into the press-fit recesses 16.
  • each of the elastic piece parts 32, 42 is positioned in the fitting recess 13 between the outer circumference 10a of the housing 10 and the protrusion member 12 and the lead parts 34, 44 are protruded to the exterior of the housing 10.
  • the shell contacting part 43 of the receptacle earth contact 40 contacts the outer circumferential surface of the receptacle shell 20 at the outside of the receptacle connector 1 and thus can be seen from the exterior of the receptacle connector 1.
  • the receptacle connector 1 comprises twenty rows of receptacle contacts 30 and four rows of receptacle earth contacts 40. In the mean time, the arrangement and number of the receptacle contacts 30 and the receptacle earth contacts 40 attached to the receptacle connector 1 can be modified.
  • the shell contacting part 43 of the receptacle earth contact 40 can be seen from top and side of the exterior of the receptacle connector 1 with eyes, it is possible to easily check the positions of the receptacle earth contacts 40 from the outward shape of the receptacle connector 1. Accordingly, the receptacle contact 30 and the receptacle earth contact 40 of the receptacle connector 1 can be easily identified by a machine vision, for example (i.e., visibility is improved). As a result, in case of an inspection process of the receptacle connector 1, the inspection process has following advantages.
  • the process is carried out by an automated process such as machine vision, rather than the eyes. At this time, it is possible to easily specify the position of the receptacle earth contact 40 from the top and the side of the connector.
  • FIG. 3 is a view showing a structure of the receptacle shell wherein Fig. 3A is a perspective view of a frame before a press bending process and Fig. 3B is a perspective view of the receptacle shell after the press bending process.
  • the frame and the receptacle shell are connected to a pair of carriage support members before and after the press bending process.
  • a frame 27 having a shape as shown in Fig. 3A is first prepared through a punching process.
  • the frame 27 is a rectangular plate type member and formed with an opening 27a at a center thereof.
  • the frame 27 comprises first to fourth shield forming parts 21a to 24a, a first connecting part 25 and a second connecting part 26.
  • Both the first and second shield forming parts 21a, 22a are shaped into a rectangular form having a same dimension and arranged to be parallel to each other.
  • both the third and fourth shield forming parts 23a, 24a are shaped into a rectangular form having a same dimension and arranged to be parallel to each other.
  • lengths of the first and second shield forming parts 21a, 22a are smaller than those of the third and fourth shield forming parts 23a, 24a.
  • first connecting part 25 is continuously extended to the widthwise exterior of the first shield forming part 21a. Both lengthwise ends of the first connecting part 25 are connected to one end of the third and fourth shield forming parts 23a, 24a, respectively.
  • second connecting part 26 is continuously extended to the widthwise exterior of the second shield forming part 22a. Both ends of the first connecting part 25 are connected to the other end of the third and fourth shield forming parts 23a, 24a, respectively.
  • the outer circumference of the frame 27 is formed with the third shield forming part 23a, the fourth shield forming part 24a, the first connecting part 25 and the second connecting part 26.
  • the first shield forming part 21a is extended from a widthwise inner end of the first connecting part 25 toward the second connecting part 26 in the opening 27a of the frame 27 and the second shield forming part 22a is extended from a widthwise inner end of the second connecting part 26 toward the first connecting part 25 in the opening 27a of the frame 27.
  • the first and second connecting parts 25, 26 are positioned at the outsides of the first and second shield forming parts 21a, 22a and between the third and fourth shield forming parts 23a, 24a.
  • a boundary 28a of the first connecting part 25 and the first shield forming part 21a, boundaries 28b, 28c of the first connecting part 25 and the third shield forming part 23a and the fourth shield forming part 24a, a boundary 28d of the second connecting part 26 and the second shield forming part 22a, and boundaries 28c, 28f of the second connecting part 26 and the third shield forming part 23a and the fourth shield forming part 24a are shown with dashed lines.
  • the dashed lines are bending lines (referred to as same reference numerals as the boundaries 28a to 28f) in the press bending process.
  • the third shield forming part 23a is positioned opposite to the first and second connecting parts 25, 26 with regard to the bending lines 28b, 28e and the fourth shield forming part 24a is positioned opposite to the first and second connecting parts 25, 26 with regard to the bending lines 28c, 28f.
  • reinforcing taps 23b, 24b protruding into the opening 27a are formed at places adjacent to both ends of the third and fourth shield forming parts 23a, 24a, respectively.
  • the reinforcing taps 23b, 24b are directed towards the respective ends of the first and second shield forming parts 21a, 22a and gaps are formed between leading ends thereof and the respective ends of the first and second shield forming parts 21a, 22a.
  • the receptacle shell 20 is prepared, as shown in Fig. 3B.
  • the receptacle shell 20 is a nearly box-shaped member surrounded by four shield surfaces.
  • the receptacle shell 20 includes a first shield surface 21, a second shield surface 22 opposing to the first shield surface 21, a third shield surface 23 intersecting a plane comprising the first shield surface 21 and a plane comprising the second shield surface 22, a fourth shield surface 24 intersecting the plane comprising the first shield surface 21 and the plane comprising the second shield surface 22 and opposing to the third shield surface 23, the first connecting part 25 connecting the first, third and fourth shield surfaces 21, 23, 24 and the second connecting part connecting the second, third and fourth shield surfaces 22, 23, 24.
  • the first to fourth shield forming parts 21a to 24a of the frame 27 before the press bending process are bent with regard to the first and second connecting parts 25, 26 during the press bending process, thereby forming the first to fourth shield surfaces 21 to 24.
  • the first to fourth shield surfaces 21 to 24 are approximately perpendicular to the first and second connecting parts 25, 26 and top surfaces thereof (the widthwise inner ends of the first and second shield forming parts 21a, 22a and the widthwise outer ends of the third and fourth shield forming parts 23a, 24a in the frame 27) are located on the nearly same plane.
  • the first and second shield forming parts 21a, 22a are positioned between the first and second connecting parts 25, 26. Accordingly, the first and second shield forming parts 21a, 22a are upwardly bent along the bending lines 28a, 28d in the widthwise insides of the first and second connecting parts 25, 26, thereby forming the first and second shield surfaces 21, 22. As a result, the first and second shield surfaces 21, 22 are positioned between the first and second connecting parts 25, 26.
  • the third shield forming part 23a is positioned opposite to the first and second connecting parts 26, 26 with regard to the bending lines 28b, 28e and the fourth shield forming part 24a is positioned opposite to the first and second connecting parts 26, 26 with regard to the bending lines 28c, 28f.
  • the third shield forming part 23a is upwardly bent along the bending lines 28b, 28e of the both lengthwise ends of the first and second connecting parts 25, 26, thereby forming the third shield surface 23.
  • the fourth shiel forming part 24a is upwardly bent along the bending lines 28c, 28f of the both lengthwise ends of the first and second connecting parts 25, 26, thereby forming the fourth shield surface 24.
  • both ends of the third shield surface 23 are externally positioned between the first and second shield surfaces 21, 22.
  • the third shield surface 23 intersects perpendicularly to both the plane including the first shield surface 21 and the plane including the second shield surface 22.
  • both ends of the fourth shield surface 24 are externally positioned between the first and second shield surfaces 21, 22.
  • the fourth shield surface 24 intersects perpendicularly to both the plane including the first shield surface 21 and the plane including the second shield surface 22.
  • the third and fourth shield surfaces 23, 24 are not nearly collapsed toward the interior even though a force is applied to the third and fourth shields surfaces 23, 24 from the exterior to the interior. Accordingly, it is more preferred that the both ends of the first shield surface 21 and the third and fourth shield surfaces 23, 24 are contacted to each other and both ends of the second shield surface 22 and the third and fourth shield surfaces 23, 24 are contacted to each other under state that the receptacle shell 20 is manufactured.
  • the reinforcing taps 23b, 24b formed to the third and fourth shield forming parts 23a, 24a are positioned at lower ends of the receptacle shell 20 under state that the receptacle shell 20 is manufactured.
  • the reinforcing taps 23b, 24b are protruded into a direction that the receptacle connector 1 having the receptacle shell 20 and the housing 10 insert-molded to embed the shell therein intersects the attachment surface of the substrate on which the connector is mounted.
  • the reinforcing taps 23b, 24b is fixed to the attachment surface by means of a soldering when the receptacle connector 1 is mounted on the attachment surface of the substrate. Accordingly, in this case, a release strength of the receptacle connector 1 from the attachment surface of the substrate is improved, compared to the case that the receptacle connector 1 is fixed to the attachment surface of the substrate through the solderings of the lead part 34 of the receptacle contact 30 and the lead part 44 of the receptacle earth contact 40 only.
  • the reinforcing taps 23b, 24b is used for the fixing to the attachment surface of the substrate and connected and thus earthed to an earth part (ground pattern) on the substrate. Accordingly, the receptacle shell 20 is earthed via the reinforcing taps 23b, 24b as well as the shell contacting part 43 of the receptacle earth contact 40.
  • the plug connector 2 fitted to the receptacle connector 1 comprises a housing 50 and a plug connector 60, as shown in Fig. 4.
  • Fig. 4 is a view showing a structure of a plug connector to be fitted to the receptacle connector shown in FIG. 1 wherein Fig. 4A is a plan view, Fig. 4B is a front view and Fig. 4C is a sectional view taken along line X-X in FIG. 4A.
  • the housing 50 is a rectangular parallelepiped member made of an insulating resin and formed with a fitting opening 51 at a center thereof into which the protrusion member 12 of the receptacle connector 1 is inserted when it is fitted to the receptacle connector 1. Accordingly, an end surface of the housing 50 (for example, an upper surface in Fig. 4C) becomes a ring shape.
  • An outward shape of the housing 50 is nearly same as that of the fitting recess 13 formed between the outer circumference of the housing 10 and the protrusion member 12 of the receptacle connector 1.
  • a dimension of the fitting opening 51 is nearly same as the horizontal cross section of the protrusion member 12. Accordingly, the ring-shaped outer circumference of the housing 50 of the plug connector 2 can be fitted into the fitting recess 13 of the receptacle connector 1.
  • press-fit recesses 55 for attaching the plug contact 60 to the housing 50 are respectively formed at attachment positions of the plug contact 60, as shown in Fig. 4C.
  • the plug contact 60 comprises a press-fit part 61 pressed into the housing 50, a contacting part 62 contacting the elastic piece parts 32, 42 and serving as a terminal to be connected to the receptacle connector 1 when the plug connector is fitted to the receptacle connector 1, and a lead part 64 having a leading end serving as a terminal to be connected to an attachment surface of a substrate on which the plug connector 2 is mounted.
  • the plug contact 60 has an approximately L-shape.
  • a part bent perpendicularly to the lead part 64 having a nearly rod shape becomes the contacting part 62 and a part bent from the leading end of the contacting part 62 toward the lead par 64 into an U-shape becomes the press-fit part 61.
  • the press-fit part 61, the contacting part 62 and the lead part 64 of the plug contact 60 are arranged on an almost same plane.
  • the plug connector 2 12 rows of the plug contacts 50 are attached to each of the long outer circumferences 50a of the housing 50. Accordingly, the plug connector 2 comprises 24 rows of the plug contacts 60.
  • the plug contacts 60 having same shapes of the signal terminal fitting to be connected to the receptacle contact 30 and the earth terminal fitting to be connected to the receptacle earth contact 40 are used for the plug connector 2.
  • FIG. 5 shows a fitted state of a receptacle connector and a plug connector, wherein Fig. 5A shows the fitted state in an attachment position of the receptacle contact and Fig. 5B shows the fitted state in an attachment position of the receptacle earth contact.
  • the lead part 34 of the receptacle contact 30 of the receptacle connector 1 is electrically connected to the lead part 64 of the plug contact 60 of the plug connector 2.
  • the lead part 44 of the receptacle earth contact 40 of the receptacle connector 1 is electrically connected to the lead part 64 of the plug contact 60 of the plug connector 2. Since the shell contacting part 43 of the receptacle earth contact 40 is contacted to the receptacle shell 20, the receptacle shell 20 is also earthed in case that the lead part 44 and the lead part 64 of the plug contact 60 connected to the receptacle earth contact 40 are grounded.
  • Fig. 6 is a view showing each process when a receptacle connector is manufactured.
  • the frame having the first shield forming parts 21a to 24a, the first connecting part 25 and the second connecting part 26 are prepared through a punching process.
  • the frame 27 is arranged between a pair of carriage support members 80 opposite to each other and connected to the support members 80 via a pair of connecting parts 80a extending from both ends of the frame 27 to the outside.
  • apertures 80b are formed in the carriage support members 80 into which protrusions (not shown) of a carrying apparatus are closely fitted.
  • the pair of carriage support members 80 support the one frame 27 only.
  • the pair of carriage support members 80 support a plurality of frames 27 arranged at an interval in an extending direction of the members (vertical direction in Fig. 6).
  • the housing 10 is insert-molded so that the receptacle 20 is embedded therein.
  • the receptacle contacts 30 and the receptacle earth contacts 40 are attached to the housing 10.
  • the receptacle connector 1 with being connected to the carriage support members 80 is prepared through the processes, the receptacle connector is cut along the boundaries of the first and second connecting parts 25, 26 of the receptacle shell 20 and the connecting parts 80a in a cutting process, as shown in Fig. 6E, so that the receptacle connector 1 is removed from the pair of carriage support members 80.
  • the receptacle connector 1 of this embodiment comprises the receptacle shell 20 and the receptacle earth contact 40 having the shell contacting part 43 contacted to the receptacle shell 20 and the receptacle shell 20 is earthed. Owing to this, even when the receptacle connector 1 is inserted/disconnected into/from the plug connector 2, it is maintained the contacted state between the receptacle earth contact 40 and the receptacle shell 20. Accordingly, it is suppressed a damage of the receptacle earth contact 40 when the receptacle connector 1 is inserted/disconnected into/from the plug connector 2. As a result, a reliability of the receptacle earth contact 40 is improved. In addition, since it is possible to stably secure an earth route irrespective of the insertion/disconnection of the connector, a reliability of the receptacle connector 1 is improved.
  • the shell contacting point 43 is not contacted to the receptacle shell 20
  • the receptacle contact 30 and the receptacle earth contact 40 of the receptacle connector 1 can be easily identified by a machine vision, for example, an inspection process of the receptacle connector 1 is simplified.
  • shapes of the receptacle contact 30 and the receptacle earth contact 40 are almost same except whether or not there is the shell contacting part 43, it is possible to assemble the receptacle contact 30 and the receptacle earth contact 40 at any positions when assembling them to the receptacle connector 1.
  • the press-fit part 41, the leading end of the elastic piece part 42 and the shell contacting part 43 of the receptacle earth contact 40 are the protrusions protruding in a same direction. Accordingly, it is possible to electrically connect the plug connector 2 and the substrate on which the receptacle connector 1 is mounted and to easily manufacture the receptacle earth contact 40 contacting the receptacle shell 20.
  • the protruding parts 23b, 24b are formed at the third and fourth shield surfaces 23, 24 of the receptacle shell 20, in case that the receptacle connector 1 is mounted on the attachment surface of the substrate, it is possible to fix the receptacle connector 1 to the attachment surface by means of for example, a soldering, using the protruding parts 23b, 24b. Accordingly, when the plug connector 2 fitted to the receptacle connector 1 is disconnected, it is suppressed the release of the receptacle connector 1 from the substrate. In addition, since it is possible to increase the earthed part of the receptacle shell 20 by grounding the receptacle shell 20 via the protruding parts 23b, 24b, the receptacle shell 20 can be reliably earthed.
  • the protruding parts 23b, 24b are formed at the third and fourth shield surfaces 23, 24 of the receptacle shell 20 in the above embodiment, the protruding parts 23b, 24b may be omitted.
  • the same effects as the above embodiment can be obtained if any one of the first to fourth shield surfaces 21 to 24 is provided with the protruding parts.
  • the press-fit part 41, the leading end of the elastic piece part 42 and the shell contacting part 43 of the receptacle earth contact 40 are the protrusions protruding in a same direction in the above embodiment, the shape of the receptacle earth contact 40 may be changed.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP06100683A 2005-01-21 2006-01-20 Borne de mise à la terre et connecteur électrique comportant cette borne Withdrawn EP1684387A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005014429A JP4758104B2 (ja) 2005-01-21 2005-01-21 コネクタアッセンブリ

Publications (1)

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EP1684387A1 true EP1684387A1 (fr) 2006-07-26

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EP06100683A Withdrawn EP1684387A1 (fr) 2005-01-21 2006-01-20 Borne de mise à la terre et connecteur électrique comportant cette borne

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EP (1) EP1684387A1 (fr)
JP (1) JP4758104B2 (fr)
CN (1) CN1808786A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965466A3 (fr) * 2007-03-01 2009-10-21 Japan Aviation Electronics Industry, Limited Connecteur
CN104241972A (zh) * 2013-06-14 2014-12-24 广濑电机株式会社 电路基板用电连接器以及电连接器安装体
EP3557697A1 (fr) * 2018-04-17 2019-10-23 Iriso Electronics Co., Ltd. Connecteur
EP3051634B1 (fr) * 2013-09-27 2020-01-15 KYOCERA Corporation Connecteur
EP3059810B1 (fr) * 2015-02-17 2022-04-06 Samsung Electronics Co., Ltd. Dispositif électronique et son procédé pour le faire fonctionner

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
JP4301414B2 (ja) 2006-12-06 2009-07-22 ヒロセ電機株式会社 回路基板用電気コネクタ
JP4809816B2 (ja) * 2007-08-31 2011-11-09 パナソニック電工株式会社 コネクタ
JP5432531B2 (ja) * 2009-01-20 2014-03-05 タイコエレクトロニクスジャパン合同会社 電気コネクタ
CN103682738B (zh) * 2012-09-04 2017-12-01 泰科电子(上海)有限公司 一种连接器及板对板连接器对
TWI600236B (zh) * 2014-05-07 2017-09-21 鴻騰精密科技股份有限公司 電連接器及其製造方法
JP6256426B2 (ja) * 2015-07-29 2018-01-10 第一精工株式会社 基板接続用電気コネクタ
JP6493611B1 (ja) * 2018-08-03 2019-04-03 Smk株式会社 電気コネクタ
JP2021061158A (ja) * 2019-10-07 2021-04-15 日本圧着端子製造株式会社 導電性布用コネクタ

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US6250935B1 (en) * 1998-05-06 2001-06-26 Kel Corporation Electrical connector
US6390832B1 (en) * 2000-12-21 2002-05-21 Hon Hai Precision Ind. Co., Ltd. Grounded and stiffened electrical card connector
US6464515B1 (en) 2001-11-28 2002-10-15 Hon Hai Precision Ind. Co., Ltd. High-speed board-to-board electrical connector

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JP3155182B2 (ja) * 1995-10-06 2001-04-09 アルプス電気株式会社 面実装型同軸コネクタ及び該面実装型同軸コネクタの製造方法
JPH10335000A (ja) * 1997-05-30 1998-12-18 Molex Inc 電気コネクタアッセンブリ
JP3681957B2 (ja) * 2000-06-09 2005-08-10 日本圧着端子製造株式会社 Ｉｃ用ソケット

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US6250935B1 (en) * 1998-05-06 2001-06-26 Kel Corporation Electrical connector
US6390832B1 (en) * 2000-12-21 2002-05-21 Hon Hai Precision Ind. Co., Ltd. Grounded and stiffened electrical card connector
US6464515B1 (en) 2001-11-28 2002-10-15 Hon Hai Precision Ind. Co., Ltd. High-speed board-to-board electrical connector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965466A3 (fr) * 2007-03-01 2009-10-21 Japan Aviation Electronics Industry, Limited Connecteur
CN104241972A (zh) * 2013-06-14 2014-12-24 广濑电机株式会社 电路基板用电连接器以及电连接器安装体
EP3051634B1 (fr) * 2013-09-27 2020-01-15 KYOCERA Corporation Connecteur
EP3059810B1 (fr) * 2015-02-17 2022-04-06 Samsung Electronics Co., Ltd. Dispositif électronique et son procédé pour le faire fonctionner
EP3557697A1 (fr) * 2018-04-17 2019-10-23 Iriso Electronics Co., Ltd. Connecteur
US10734741B2 (en) 2018-04-17 2020-08-04 Iriso Electronics Co., Ltd. Connector

Also Published As

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CN1808786A (zh) 2006-07-26
JP2006202645A (ja) 2006-08-03
JP4758104B2 (ja) 2011-08-24

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