WO2014091931A1 - Receptacle connector - Google Patents

Receptacle connector Download PDF

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Publication number
WO2014091931A1
WO2014091931A1 PCT/JP2013/081983 JP2013081983W WO2014091931A1 WO 2014091931 A1 WO2014091931 A1 WO 2014091931A1 JP 2013081983 W JP2013081983 W JP 2013081983W WO 2014091931 A1 WO2014091931 A1 WO 2014091931A1
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WO
WIPO (PCT)
Prior art keywords
contact
plug
support plate
plate portion
contacts
Prior art date
Application number
PCT/JP2013/081983
Other languages
French (fr)
Japanese (ja)
Inventor
直之 小野
義浦　康夫
Original Assignee
Smk株式会社
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 Smk株式会社 filed Critical Smk株式会社
Publication of WO2014091931A1 publication Critical patent/WO2014091931A1/en

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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
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • 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
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle

Definitions

  • the present invention relates to a receptacle connector that can be connected to a plurality of types of plug connectors having different plug terminal positions. More specifically, the present invention relates to an extension plug that can be connected to a USB plug and that an additional plug terminal is added to the plug terminal of the USB plug. It relates to a receptacle connector that can be connected to both.
  • the Micro-USB standard (USB 2.0 Hi Speed) is a USB (Universal Serial Bus) standard for connecting a host device such as a computer and its peripheral devices.
  • Receptacle connector that connects USB plugs that comply with the Micro-USB standard, and is a standard that defines the interface for transmission, and is widely used as a connector for connecting electronic products such as personal computers, mobile phones, and digital cameras to peripheral devices.
  • FIG. 13 shows a USB plug 110 described in Patent Document 1 as an example of a USB plug compliant with the Micro-USB standard, and a support plate portion on the rear surface of the insulating housing 111 (the connection direction with the receptacle connector is the rear).
  • each plug terminal 113 is an elastic plug contact portion 113a that is curved upward and is exposed on the upper surface side of the support plate portion 112.
  • the support plate part 112 with the plug contact part 113a facing the upper surface is covered with a fitting cylinder part 115 formed in a horizontally long rectangular tube shape on a shield shell metal fitting 114 that is integrally attached to the insulating housing 111.
  • a pair of engagement protrusions 116 are formed on both sides of the upper surface of the combined cylinder portion 115 by cutting and raising a part of the upper surface upward.
  • FIG. 14 shows a receptacle connector 120 described in Patent Document 2 as an example of a receptacle connector conforming to the Micro-USB standard to which the USB plug 110 is fitted and connected.
  • FIG. A support plate portion 122 projects in a horizontally long horizontal direction toward the front, and five contacts 123 are integrally attached to the insulating housing 121 while being insulated from each other.
  • the contact contact portion 123a in front of each contact 123 is exposed along the lower surface of the support plate portion 122 to which the contact contact portions 113a of the five plug terminals 113 face each other when the USB plug 110 is connected. .
  • the support plate portion 122 with the contact contact portion 123a facing the lower surface is formed in a shape that fits outside the fitting tube portion 115 on the USB plug 110 side of the shield shell fitting 124 that is integrally attached to the insulating housing 121.
  • the periphery of the fitting cylinder portion 125 is covered. Accordingly, when the USB plug 110 is connected to the receptacle connector 120, the fitting tube portions 115 and 125 that are fitted and connected to each other are in contact with the contact contact portions 123a that expose the plug contact portions 113a to the corresponding portions. While guiding and connecting, each plug contact part 113a and the contact contact part 123a are shielded from the outside.
  • a pair of engagement protrusions 116 of the fitting cylinder portion 115 are engaged with each other when the fitting cylinder portion 115 of the USB plug 110 is fitted and connected to the upper surface of the fitting cylinder portion 125 of the receptacle connector 120.
  • the engagement receiving portion 126 is formed by drilling a through hole.
  • the engagement protrusion 116 engages with the engagement receiving portion 126 while the fitting tube portion 115 of the USB plug 110 is inserted into the fitting tube portion 125 of the receptacle connector 120 and connected.
  • the above-described receptacle connector 120 is mounted on a printed wiring board in the casing of the electronic product, attached to the casing with the opening of the fitting cylinder portion 125 facing the opening of the casing, and the fitting cylinder.
  • the USB plug 110 attached to the terminal of the connection cable for connecting the electronic product to the peripheral device is inserted into the unit 125 and connected. Since the positions of the engagement protrusions 116 and the engagement receiving portions 126 formed on the upper surfaces of the fitting cylinder portions 115 and 125 are determined by the Micro-USB standard, the receptacle connector 120 is used as a housing of an electronic product.
  • the USB plug 110 and the receptacle connector 120 compliant with the Micro-USB standard can be connected to each other, and if the USB plug 110 is inserted into the fitting tube part 125 of the receptacle connector 120, Naturally, each plug contact portion 112a and the contact contact portion 113a exposed at the corresponding portion are contacted and connected.
  • the USB plug 110 to which the five plug terminals 113 compliant with the Micro-USB standard are attached can be connected to the receptacle connector 120, and in order to connect more signal lines, the five plug terminals are connected. An extension plug obtained by adding another additional plug terminal to 113 cannot be connected.
  • the support plate portion of the receptacle connector 120 according to the Micro-USB standard.
  • the horizontal width of 122 is limited, there is no space for arranging additional contacts connected to the additional plug terminals, and the upper surface of the support plate portion 122 and the fitting cylinder portion 125 are also fitted on the USB plug 110 side.
  • Patent Document 2 and Patent Document 3 propose a receptacle connector 130 exposed to the rear of the portion 132. According to this receptacle connector 130, as a receptacle connector compliant with the Micro-USB standard, it is possible to connect to the USB plug 110, and in addition to the five plug terminals 113, a plurality of additional plug terminals are attached to the rear thereof.
  • the extension plug can also be inserted into the fitting tube portion 135, and the five plug terminals 113 and the additional plug terminals can be connected to the contact contact portion 113a and the additional contact 136 exposed to the rear thereof.
  • JP 2012-4125 A Japanese Patent No. 4807395 JP 2008-301492 A
  • the conventional receptacle connector 130 exposes the additional contact 136 behind the contact contact portion 113a, the length of the receptacle connector 130 in the front-rear direction along the insertion direction of the USB plug is increased, and the Micro-USB standard. In spite of the receptacle connector having a reduced outer shape viewed from the insertion direction, the depth cannot be shortened.
  • the expansion plug connected to the receptacle connector 130 exposes a plurality of additional plug terminals to the rear (front end direction) of the five plug terminals surrounded by the fitting cylinder portion.
  • An object of the present invention is to provide a receptacle connector that can be connected.
  • a receptacle connector is configured such that a shield shell metal fitting having a fitting cylinder portion into which a first plug connector is inserted from the front and a shield shell metal fitting are integrally attached,
  • An insulating housing having a support plate portion that protrudes horizontally from the rear toward the front; and a plurality of first contacts that are attached to the insulating housing while being insulated from each other and each contact portion is exposed along the lower surface of the support plate portion;
  • a pair of mating cylinders that cover the upper sides of the left and right sides of the support plate and engage the pair of engaging projections of the first plug connector to position the first plug connector in the mating cylinder.
  • a receptacle having an engagement receiving portion, wherein the contact portions of the plurality of first contacts are brought into contact with the plurality of first plug terminals arranged in the first plug connector inserted into the fitting tube portion.
  • the upper plug part of the fitting cylinder part sandwiched between the pair of engagement receiving parts is curved upward so that the two plug connector can be inserted into the fitting cylinder part from the front, and insulated from the insulating housing.
  • Each contact portion of the plurality of second contacts to be attached is exposed along the upper surface of the support plate portion, and a plurality of second plug terminals and a plurality of third plugs disposed on the second plug connector inserted into the fitting tube portion.
  • the contact portion of the plurality of first contacts exposed on the lower surface of the support plate portion and the contact portion of the plurality of second contacts exposed on the upper surface are respectively brought into contact with the plug terminal. Since a space is secured above the fitting tube portion so as not to interfere with the engagement protrusion of the first plug connector that engages with the engagement receiving portion, the upper plate portion of the fitting tube portion is curved upward. It is possible to insert the second plug connector having the upper surface bulging upward by adding the third plug terminal to the fitting tube portion.
  • the contact portions of the plurality of first contacts exposed on the lower surface of the support plate portion are in contact with the plurality of first plug terminals of the first plug connector or the plurality of second plug terminals of the second plug connector, and the upper surface of the support plate portion.
  • the contact portions of the number of second contacts exposed to the surface are inserted into the gap between the upper surface of the support plate portion and the upper plate portion of the fitting cylinder portion by the upper plate portion of the fitting cylinder portion being curved upward.
  • the third plug terminal arranged on the second plug connector that has become possible comes into contact.
  • the receptacle connector according to claim 2 wherein the contact portion of any of the first contacts is inserted from above into the gap between the contact portions of the pair of second contacts in a molding die for forming the support plate portion.
  • the contact portion of any second contact is within the molding die for molding the support plate portion, It is positioned by being sandwiched between a second pressing pin inserted from below into a gap between the contact portions of the pair of first contacts and a molding die, and is integrally molded along the upper surface of the support plate portion.
  • the contact portion of the second contact is formed by the first pressing pin that positions the contact portion of the first contact in the vertical direction, with the second contact adjacent to the upper surface of the support plate portion.
  • the contact portion of the first contact is positioned in the direction of the contact portion, and the contact portion of the first contact is adjacent to the lower surface of the support plate portion by a second pressing pin that positions the contact portion of the second contact in the vertical direction. It is positioned in the direction of The receptacle connector according to claim 3 is inserted from the rear into the overlapping region where the contact portion of any of the first contacts overlaps with the contact portion of the second contact in the vertical direction in the molding die for forming the support plate portion. It is positioned by being sandwiched between the guide pin and the molding die, and is integrally molded along the lower surface of the support plate portion, and the contact portion of any second contact is within the molding die for molding the support plate portion.
  • the contact portion of the first contact is exposed on the lower surface of the support plate portion by a guide pin inserted from the rear into the overlapping region overlapping the contact portion of the second contact in the vertical direction.
  • the contact portion of the second contact is positioned so as to be exposed on the upper surface of the support plate portion by a guide pin inserted from behind in an overlapping region overlapping with the contact portion of the first contact in the vertical direction.
  • the receptacle connector according to claim 4 is characterized in that a band-shaped protective metal fitting is attached to the support plate portion from both sides of the upper surface of the support plate portion to the front surface. On the upper surface of the support plate part, it is possible to secure an area where the band-shaped protective metal fittings are exposed along both sides of the support plate part, and from the plugs inserted in different directions without exposing the protective metal fittings on both side surfaces of the support plate part. One contact and the second contact can be protected.
  • the engagement receiving portion is formed by causing the inner top surface of the fitting tube portion to bulge upward, and the rear opening of the fitting tube portion is covered with an insulating housing.
  • the fitting cylinder portion into which the connector or the second plug connector is inserted has a sealed structure. Since the engagement receiving portion is formed by expanding the inner top surface of the fitting cylinder portion upward, the opening is not formed, the strength of the fitting cylinder portion is increased, and the receptacle connector is mounted on the printed circuit board. In the mounting process, the flux does not enter the fitting cylinder part where the contact part of the first contact or the contact part of the second contact is exposed.
  • the first plug connector is a male connector compliant with the Micro-USB standard
  • the shape of the shield shell metal fitting having the fitting tube portion and the attachment position of the first contact attached to the insulating housing Is characterized in that it conforms to the Micro-USB standard for female connectors. It is connected to either a USB plug compliant with the Micro-USB standard or an expansion plug having a structure in which an additional plug terminal is added to the USB plug.
  • the contact portion of the second contact that contacts the third plug terminal is exposed on the upper surface of the support plate portion where the contact portion of the first contact is exposed on the lower surface.
  • Any of the first plug connector and the second plug connector having a structure in which a plurality of third plug terminals are added to the second plug terminal corresponding to the first plug terminal of the first plug connector without increasing the overall length along the line. Can also be connected.
  • the third plug terminal can also be arranged above the second plug terminal in the second plug connector, the third plug terminal can be added without increasing the length in the insertion direction.
  • the first pressing pin for positioning the contact portion of the first contact so as to be exposed along the lower surface of the support plate portion, and the contact portion of the second contact along the upper surface of the support plate portion.
  • the contact portion of the second contact and the contact portion of the first contact can be positioned in each arrangement pitch direction. According to the invention of claim 3, even if the contact portion of the first contact and the contact portion of the second contact overlap in the vertical direction of the support plate portion, in the insert molding process, between the guide pin inserted from the rear and the molding die.
  • both the USB plug and the expansion plug obtained by adding an additional plug terminal to the USB plug can be connected.
  • the receptacle connector cited in claim 3 is not restricted by the exposed positions of the contact portions of the five first contacts conforming to the Micro-USB standard, and has a width limited by the Micro-USB standard. Many contact portions of the second contacts can be exposed on the upper surface of the substrate.
  • FIG. 1 is a front view of a receptacle connector 1 according to an embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional view of the receptacle connector 1 cut along line AA in FIG.
  • FIG. 3 is a side view of the receptacle connector 1.
  • 4 is a longitudinal sectional view of the receptacle connector 1 cut along the line BB in FIG.
  • FIG. 5 is a bottom view of the receptacle connector 1.
  • FIG. 6 shows a state in which the contact portion 41 of the additional contact 4 and the protective metal fitting 6 are positioned in the molding die at the position cut along the line CC in FIG. It is a schematic diagram.
  • FIG. 7 is a plan view of the receptacle connector 1.
  • FIG. 7 is a plan view of the receptacle connector 1.
  • FIG. 8 is a schematic diagram showing a state in which the contact portion 31 of the USB contact 3 is positioned in the molding die at a position cut along the line DD in FIG.
  • FIG. 9 is a perspective view of the intermediate molded product 1 ′ before assembling the shield shell metal fitting 5 as viewed obliquely from above.
  • FIG. 10 is a perspective view of the intermediate molded product 1 ′ before assembling the shield shell metal fitting 5 as seen obliquely from below.
  • FIG. 11 is a perspective view of the receptacle connector 1 as viewed obliquely from above.
  • FIG. 12 is a perspective view of the expansion plug 100 that can be fitted and connected to the receptacle connector 1.
  • FIG. 13 is a perspective view of the USB plug 110 compliant with the Micro-USB standard.
  • FIG. 14 is a front view of the receptacle connector 120 compliant with the Micro-USB standard.
  • FIG. 15 is a longitudinal sectional view of a conventional receptacle connector 130.
  • a receptacle connector 1 according to an embodiment of the present invention will be described with reference to FIGS.
  • the insertion direction of the USB plug 110 and the expansion plug 100 (the depth direction of the paper surface in FIG. 1) is the rear, the front side is the front, and the directions shown in FIG. explain.
  • the receptacle connector 1 conforms to the Micro-USB standard and can be connected to the USB plug 110 corresponding to the first plug connector shown in FIG. 13 and also to the expansion plug 100 corresponding to the second plug connector shown in FIG.
  • the USB plug 110 and the expansion plug 100 are attached to a terminal of a connection cable 140 that connects an electronic product to a peripheral device
  • the receptacle connector 1 is a printed wiring in a housing (not shown) of the electronic product. It is mounted on the substrate and attached to the housing with the opening of the fitting cylinder portion 51 described later facing through the window hole of the housing.
  • the expansion plug 100 that can be connected to the receptacle connector 1 is the same as the configuration of the USB plug 110 in a portion that conforms to the Micro-USB standard. Based on the configuration of the USB plug 110, six additional plug terminals are newly added. 101 is provided. That is, as shown in FIG.
  • the USB plug 110 includes a support plate portion 102, a plug terminal 103 disposed along the upper surface of the support plate portion 102, an engagement protrusion 106 formed on the upper surface of the fitting tube portion 105, and the like.
  • the additional plug contact portions of the six additional plug terminals 101 are fitted to the fitting cylinder portion based on the configuration formed at the position corresponding to the position where the support plate portion 112, the plug terminal 113, the engagement protrusion 116, etc. are formed.
  • the upper surface of the fitting tube portion 105 between the pair of engaging protrusions 106 is bulged upward, and the additional support plate portion 107 protrudes from an insulating housing (not shown) along the inner top surface.
  • the additional plug contact portions of the six additional plug terminals 101 supported by the insulating housing are faced along the lower surface of the additional support plate portion 107.
  • the additional plug contact portion is formed into a target shape in the vertical direction with the plug contact portion 103a of the plug terminal 103, and thus has elasticity by being bent downward and exposed along the lower surface of the additional support plate portion 107. is doing.
  • the additional support plate 107 is provided above the support plate 102 so as to protrude in parallel with the support plate 102 at a distance slightly longer than the thickness of the support plate 22 described later of the receptacle connector 1.
  • the support plate portion 22 of the receptacle connector 1 When the plug 100 is connected to the receptacle connector 1, the support plate portion 22 of the receptacle connector 1 is loosely fitted between the support plate portion 102 and the additional support plate portion 107, and the plug contact portion 103 a of the plug terminal 103 and the additional plug terminal 101 are connected.
  • the additional plug contact portions are in elastic contact with the lower surface and the upper surface of the support plate portion 22, respectively.
  • the receptacle connector 1 is connected to the five USB contacts 3 respectively connected to the plug terminals 113 of the five USB plugs 110 or the plug terminals 103 of the expansion plug 100 and the additional plug terminals 101 of the six expansion plugs 100.
  • the insulating housing 2 is made of an insulating synthetic resin and covers the housing main body 21 that covers the rear opening of the fitting cylinder 51, and the inside of the fitting cylinder 51 from the front surface of the housing main body 21.
  • a rectangular plate-like support plate portion 22 that projects horizontally forward is integrally formed.
  • Each of the five USB contacts 3 is formed by elongating a conductive metal plate to form an elongated strip.
  • the contact portion 31 is exposed in the form of an elongated plate along the front-rear direction of the lower surface of the support plate 22 from the front.
  • fixed part 32 fixed to the housing main body 21 integrally and the leg part 33 which protrudes back along the bottom face of the housing main body 21 are integrally connected.
  • the position at which the contact portion 31 is exposed on the lower surface of the support plate portion 22 is determined by the Micro-USB standard, and the five contact portions 31a to 31e are arranged along the left-right direction as shown in FIGS. Exposed at pitch.
  • the six additional contacts 4 are each formed by punching a conductive metal plate into a strip shape. The strips are formed along the front-rear direction of the upper surface of the support plate portion 22 from the front.
  • a contact portion 41 exposed in a shape, a fixing portion 42 that is integrally fixed to the housing main body 21, and a leg portion 43 that protrudes rearward along the bottom surface of the housing main body 21 are integrally provided.
  • the contact portions 41 a to 41 f of the six additional contacts 4 more than the five USB contacts 3 are insulated and exposed to each other.
  • the width of each contact portion 41 is narrower than that of the contact portion 31, and the pitch between the contact portions 41 exposed at equal intervals along the left-right direction is equal to the contact portion.
  • the pitch is shorter than 31 pitches.
  • the protective metal fitting 6 is formed of a metal strip formed in the shape of an elongated band, and is integrally attached along the left and right sides of the upper surface from the front surface of the support plate portion 22, so that the upper surface can be protected from unnecessary external force.
  • the contact portions 31 and 41 exposed on the lower surface are protected, and the tips of the expansion plug 100 and USB plug inserted at an angle are contacted before contacting the contact portions 31 and 41 exposed on the support plate portion 22.
  • the contact portions 31 and 41 are protected from external force. As shown in FIG.
  • the rear end of the protective metal fitting 6 is exposed on the upper surface of the housing body 21 and is in contact with the shield shell metal fitting 5 covering the upper surface.
  • the shield shell metal fitting 5 is formed by pressing a conductive thin metal plate having a predetermined strength such as a stainless steel plate,
  • the shell main body 52 is attached to the rear of the fitting main body 51 along the outer periphery of the housing main body 21, and is folded forward at the rear ends of both side surfaces of the shell main body 52. It is comprised from a pair of grounding leg part 53 overlapped and formed on the outer side of a surface.
  • the entire shield shell metal fitting 5 includes a shell body 52 that surrounds the housing body 21, and a housing body between a positioning piece 52 a (see FIG.
  • engagement receiving portions 54 are formed on both sides of the upper surface of the fitting cylinder portion 51, each of which bulges the upper plate portion 51 a of the fitting cylinder portion 51 upward.
  • the pair of engagement receiving portions 54 are formed on the upper surface portion of the fitting tube portion 51 corresponding to the engagement protrusion 106 of the expansion plug 100 or the engagement protrusion 116 of the USB plug 110.
  • the expansion plug 100 or the USB plug 110 is prevented from being inadvertently pulled out from the fitting tube portion 51 by engaging with the engaging protrusions 106 and 116.
  • the contour shape of the fitting cylinder portion 51 is compliant with the Micro-USB standard, and the USB plug 110 can be inserted from the front, but the expansion plug 100 with a part of the upper surface bulging upward.
  • the upper plate portion 51a between the pair of engagement receiving portions 54 is curved upward so that the fitting tube portion 105 is also fitted from the outside so that the expansion plug 100 can be inserted from the front.
  • the receptacle connector 1 is attached to the casing with the opening of the fitting cylinder portion 51 facing the window hole of the casing of the electronic product.
  • a space corresponding to ⁇ A in FIG. 14 is secured above the fitting cylinder portion 51 in the housing so as not to interfere with the engagement protrusions 106 and 116 of the plug 100 or the USB plug 110.
  • a part of the upper plate portion 51 a of the fitting cylinder portion 51 is curved upward, and the lower surface of the additional support plate portion 107 and the additional support plate portion 107 of the expansion plug 100 is interposed between the upper surface of the support plate portion 22. It is possible to insert the additional plug contact portion of the additional plug terminal 101 that faces along.
  • this receptacle connector 1 first, five USB contacts 3, six additional contacts 4 and protective metal fittings formed in the respective shapes shown in the figure are positioned in a molding die for molding the insulating housing 2, and the insulating housing In the molding step 2, the five USB contacts 3, the six additional contacts 4, and the protective metal fitting 6 are integrally molded by insert molding.
  • a positioning method in the molding die for exposing the contact portions 31 of the USB contacts 3 and the contact portions 41 of the additional contacts 4 having different pitches along the lower surface and the upper surface of the thin support plate portion 22 will be described. This will be described in detail with reference to FIGS. FIG.
  • the protective metal fitting 6 shows the contact portion 41 of the additional contact 4 and the protective metal fitting 6 positioned in the molding die by reversing the cross section taken along the line CC in FIG. 5 where the punching hole 70 of the push-up pin 7 in the molding die appears. It shows the state to do.
  • the protective metal fitting 6 exposed along the left and right sides of the upper surface of the support plate portion 22 is formed between the push-up pins 7a and 7f inserted from below outside the contact portions 31a and 31e and the molding die. It is sandwiched and positioned in the vertical direction along the upper surface of the support plate portion 22.
  • the arrangement pitch of the contact portions 41 of the six additional contacts 4 is different from the arrangement pitch of the contact portions 31 of the five USB contacts 3, and all the contact portions 41 abut on the lower surface of the contact portions 41 avoiding the lower contact portions 31. Since it cannot be positioned by being pinched between the push-up pin 7 to be formed and the molding die, the positioning method of each contact portion 41 differs depending on the relative positional relationship with the contact portion 31 in the vertical direction. (1) When the vertical contact does not overlap the contact portion 31 of the USB contact 3 The left and right contact portions 41a and 41f that do not overlap the contact portion 31 of the USB contact 3 in the vertical direction contact the adjacent contact portions 31a and 31b, respectively.
  • FIG. 6 shows a state in which the contact portion 31 of the USB contact 3 is positioned in the molding die on the DD cross section of FIG. 7 where the punching hole 90 of the push-down pin 9 in the molding die appears.
  • FIG. 2 shows the positions of the two rows where the punch holes 90 of the push-down pin 9 appear (DD line in FIG.
  • C line is a position that is alternately shifted in the front-rear direction.
  • the contact portions 41 of the additional contacts 4 and the protective metal fittings 6 are arranged on the upper side, and the push-down pins 9 are directly applied from above. Since the contact portions 31 cannot be positioned, the contact portions 31 have different positioning methods depending on the relative positional relationship between the contact portions 41 and the protective metal fitting 6 in the vertical direction. (4) When the contact portion 41 of the additional contact 4 and the protective metal fitting 6 do not overlap in the vertical direction In the arrangement relationship shown in FIG.
  • the contact portion 41 of the additional contact 4 there is no such contact portion 31, but the contact portion 41 of the additional contact 4 in the vertical direction.
  • the contact part 41 which does not overlap it clamps between the pressing pin 7 which penetrates between the adjacent contact parts 31 from upper direction, and a shaping die.
  • the horizontal width of the contact portion 41 and the protective metal fitting 6 is shorter than the horizontal width of the contact portion 31.
  • the contact portions 31b to 31d overlapping each other are sandwiched between the guide pins 8b to 8d and the push-down pins 9b to 9f inserted from above the both sides of the contact portions 41b to 41e and the molding die.
  • the contact portions 31a and 31e that partially overlap the protective metal fitting 6 in the vertical direction are respectively provided with guide pins 8a and 8f on the upper side from the rear to the front.
  • the guide pins 8a and 8f protrude and are pushed down by push-down pins 9a and 9g inserted from above the side of the protective metal fitting 6, and are sandwiched between the guide pins 8a and 8f and the molding die.
  • Positioning of each contact portion 31 by the push-down pin 9 or the guide pin 8 is performed along two rows of the position along the DD line in FIG. 6 and the position on the rear side thereof.
  • the molding resin is exposed on the lower surface of the support plate portion 22 without adhering to the surface.
  • the contact portions 41a to 41f of the additional contact 4 are The push-down pins 9a to 9g are inserted through and are positioned in the left-right direction at the DD line and two positions behind the line D-D. Exposed along the direction.
  • An intermediate molded product 1 ′ in which the USB contact 3, the additional contact 4, and the protective metal fitting 6 are insulated from each other and integrally formed in the insulating housing 2 is formed in the shape shown in FIGS. 9 and 10, and has a cylindrical shield around it.
  • the shell metal fitting 5 is assembled and the receptacle connector 1 is assembled.
  • the shield shell metal fitting 5 is assembled at a position where the housing main body 21 in which the support plate portion 22 projects forward from the rear of the cylindrical shell main body 52 is inserted and the rear flange portion 21a contacts the rear end of the shell main body 52.
  • the piece 52a is bent at a right angle along the rear surface of the housing body 21 and fixed.
  • the legs 43 of the additional contacts 4 and the rear ends of the legs 33 of the USB contacts are aligned and project rearward of the insulating housing 2 along the bottom surface of the housing body 21.
  • the receptacle connector 1 configured in this manner is disposed on a printed wiring board in a housing of an electronic product, and solders the legs 33 and 43 to a pattern formed on a facing portion of the printed wiring board.
  • the pair of ground legs 52 of the shield shell metal fitting 2 is soldered to the ground pattern and mounted on the printed wiring board.
  • the receptacle connector 1 mounted on the printed wiring board is mounted in the casing with the front opening of the fitting cylinder portion 51 facing outward from the window hole of the casing.
  • the upper surface of the fitting cylinder portion 51 of the receptacle connector 1 is curved upward so that the expansion plug 100 can be inserted from the front, but a space corresponding to ⁇ A in FIG. Therefore, the receptacle connector 1 can be attached without interfering with other parts in the housing. Since the receptacle connector 1 conforms to the Micro-USB standard as described above, the USB plug 110 connected to one end of the connection cable can be inserted into the fitting tube portion 51 and connected as in the conventional case.
  • each plug contact portion 113a of the five plug terminals 113 facing the upper surface of the support plate portion 112 becomes the lower surface of the support plate portion 22.
  • the engagement protrusion 116 of the USB plug 110 and the engagement receiving portion 54 of the receptacle connector 1 are engaged, and even if an unintentional removal force acts on the USB plug 110, the USB plug 110 is not easily pulled out. Is preserved.
  • An expansion plug 100 in which six additional plug terminals 101 are added to the USB plug 110 can also be connected to the receptacle connector 1.
  • the five plug terminals 103 that face along the top surface of the support plate portion 102 and the bottom surface of the additional support plate portion 107 appear 6.
  • the two additional plug terminals 101 are in elastic contact with the contact portions 31 of the five USB contacts 3 exposed on the lower surface of the support plate 22 and the contact portions 41 of the six additional contacts 4 exposed on the upper surface, respectively. Electrical connection.
  • the engagement protrusion 106 of the expansion plug 100 and the engagement receiving portion 54 of the receptacle connector 1 are engaged, and even if an unintentional removal force acts on the expansion plug 100, it is easily pulled out. I can't pull it out.
  • the USB contact 3 and the additional contact 4 are insert-molded on the support plate portion 22 of the insulating housing 2, but the present invention can be applied even if they are attached to the insulating housing 2 by press fitting or the like. Further, the number and shape of the USB contacts 3 and the additional contacts 4 and the arrangement pitch of the support plate portion 22 in the left-right direction are not limited to the above-described embodiment.
  • the protective metal fitting 6 is insert-molded together with the contacts 3 and 4. However, the protective metal fitting 6 may be attached separately, and the contacts 3 and 4 are connected by the shield shell metal fitting 5 or the like. If it can be protected, it is not always necessary to provide the support plate 22.
  • the present invention can also be applied to the receptacle connector 1 whose shape is defined by other standards.
  • the guide pin 8 protruding from the rear side between the contact part 31 of the USB contact 3 and the contact part 41 of the additional contact 4 is sandwiched between the contact parts 31 and 41 in the molding die.
  • the contact portions 41 and 31 on the other side may not necessarily be in contact with each other.
  • the present invention is suitable for a receptacle connector that is connected to both a USB plug compliant with the Micro-USB standard and an expansion plug in which another additional plug terminal is added to the plug terminal of the USB plug.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

In the present invention, a space that does not interfere with an engagement protrusion (106) of a first plug connector (110) is maintained at the top of the interior of a chassis that attaches a receptacle connector (1), and so the inner peak surface of a fitting cylinder (51) sandwiched by a pair of engagement receiving sections (54) is formed curving upwards and a second plug connector (100) disposed with the addition of a plurality of third plug terminals (101) above a second plug terminal (103) can be inserted. When the first plug connector (110) is inserted, a first plug terminal (113) contacts a first contact (3) exposed at the bottom surface of a support plate (22), and when the second plug connector (100) is inserted, the second plug terminal (103) and third plug terminals (101) contact the first contact (3) and a second contact (4). Without the overall length along the direction of insertion becoming expanded, the receptacle connector (1) can connect to both USB plugs conforming with the Micro-USB specification and expanded plugs to which additional plug terminals are also attached.

Description

レセプタクルコネクタReceptacle connector
　本発明は、プラグ端子の位置が異なる複数種類のプラグコネクタと接続可能なレセプタクルコネクタに関し、更に詳しくは、ＵＳＢプラグと接続可能であると共に、ＵＳＢプラグのプラグ端子に追加プラグ端子を加えた拡張プラグとも接続可能としたレセプタクルコネクタに関する。 The present invention relates to a receptacle connector that can be connected to a plurality of types of plug connectors having different plug terminal positions. More specifically, the present invention relates to an extension plug that can be connected to a USB plug and that an additional plug terminal is added to the plug terminal of the USB plug. It relates to a receptacle connector that can be connected to both.
　Ｍｉｃｒｏ−ＵＳＢ規格（ＵＳＢ２．０　Ｈｉ　Ｓｐｅｅｄ）は、コンピュータ等のホスト機器とその周辺機器を接続するためのＵＳＢ（Ｕｎｉｖｅｒｓａｌ　Ｓｅｒｉａｌ　Ｂｕｓ）規格のうち、特に、小型の外形のコネクタで映像や音声を高速伝送するインターフェイスについて定めた規格であり、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグを接続するレセプタクルコネクタは、パーソナルコンピュータ、携帯電話やデジタルカメラ等の電子製品をその周辺機器とを接続するコネクタとして汎用されている。
　図１３は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグの一例として特許文献１に記載されたＵＳＢプラグ１１０を示し、絶縁ハウジング１１１の後面（レセプタクルコネクタとの接続方向を後方とする）に支持板部１１２が横長水平に一体に突設され、５本のプラグ端子１１３が絶縁ハウジング１１１に互いに絶縁して一体に取り付けられている。各プラグ端子１１３の後方は、上方に湾曲形成されることにより弾性を有するプラグ接触部１１３ａとなっていて、支持板部１１２の上面側に露出している。
　プラグ接触部１１３ａを上面に臨ませた支持板部１１２は、絶縁ハウジング１１１に一体に取り付けられるシールドシェル金具１１４に横長角筒状に形成される嵌合筒部１１５によってその周囲が覆われ、嵌合筒部１１５の上面の両側には、その上面の一部を上方に切り起こすことにより一対の係合突起１１６が形成されている。
　図１４は、このＵＳＢプラグ１１０が嵌合接続するＭｉｃｒｏ−ＵＳＢ規格に準拠するレセプタクルコネクタの一例として特許文献２に記載されたレセプタクルコネクタ１２０を示し、絶縁ハウジング１２１からＵＳＢプラグ１１０との接続方向に向かう前方に向かって支持板部１２２が横長水平に一体に突設され、５本のコンタクト１２３が絶縁ハウジング１２１に互いに絶縁して一体に取り付けられている。各コンタクト１２３の前方のコンタクト接触部１２３ａは、ＵＳＢプラグ１１０が接続された際に、５本のプラグ端子１１３のコンタクト接触部１１３ａがそれぞれ対向する支持板部１２２の下面に沿って露出している。
　コンタクト接触部１２３ａを下面に臨ませた支持板部１２２は、絶縁ハウジング１２１に一体に取り付けられるシールドシェル金具１２４のＵＳＢプラグ１１０側の嵌合筒部１１５の外側に嵌合する形状に形成された嵌合筒部１２５によって、その周囲が覆われている。従って、相互に嵌合接続する嵌合筒部１１５、１２５は、ＵＳＢプラグ１１０をレセプタクルコネクタ１２０へ接続する際に、各プラグ接触部１１３ａを対応部位に露出するコンタクト接触部１２３ａに接触するように案内すると共に、接続している間に、各プラグ接触部１１３ａとコンタクト接触部１２３ａを外部から遮蔽している。
　レセプタクルコネクタ１２０の嵌合筒部１２５の上面には、ＵＳＢプラグ１１０の嵌合筒部１１５が嵌合接続した際に、嵌合筒部１１５の一対の係合突起１１６にそれぞれ係合する一対の係合受部１２６が貫通孔を穿設することにより形成されている。これにより、ＵＳＢプラグ１１０の嵌合筒部１１５をレセプタクルコネクタ１２０の嵌合筒部１２５へ挿入して嵌合接続している間は、係合突起１１６が係合受部１２６に係合することにより、ＵＳＢプラグ１１０に接続する接続ケーブルが引っ張られるなどして、ＵＳＢプラグ１１０に不用意な抜去力が作用しても、レセプタクルコネクタ１２０から容易に引き出されないようになっている。
　一般に、上述のレセプタクルコネクタ１２０は、その電子製品の筐体内のプリント配線基板上に実装され、筐体の窓孔から嵌合筒部１２５の開口を臨ませて筐体に取り付けられ、嵌合筒部１２５へ電子製品を周辺機器と接続する接続ケーブルの端末に取り付けられたＵＳＢプラグ１１０を挿入して接続する。上述の嵌合筒部１１５、１２５の上面に形成される係合突起１１６と係合受部１２６の位置は、Ｍｉｃｒｏ−ＵＳＢ規格に定められているので、レセプタクルコネクタ１２０を電子製品の筐体に取り付けた際に、係合受部１２６に係合する係合突起１１６と干渉しないように、嵌合筒部１２５の上面に係合突起１１６の高さδＡに相当する図１４に図示するδＡ以上の空間が筐体内に確保されている。
　また、嵌合筒部１１５、１２５内での支持板部１１２、１２２の突出位置や形状、支持板部１１２、１２２に沿った各プラグ接触部１１３ａとコンタクト接触部１２３ａの露出位置等についてもＭｉｃｒｏ−ＵＳＢ規格に定められているので、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグ１１０とレセプタクルコネクタ１２０であれば相互に接続可能で、ＵＳＢプラグ１１０をレセプタクルコネクタ１２０の嵌合筒部１２５へ挿入すれば、自然に各プラグ接触部１１２ａと対応部位に露出するコンタクト接触部１１３ａ間が接触し接続される。
　一方、レセプタクルコネクタ１２０には、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する５本のプラグ端子１１３が取り付けたＵＳＢプラグ１１０のみが接続可能であり、更に多数の信号線を接続する為に、５本のプラグ端子１１３に別の追加プラグ端子を加えた拡張プラグは接続できない。そこで、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグ１１０以外に、追加プラグ端子を加えた拡張プラグとも接続可能としたレセプタクルコネクタが要望されているが、Ｍｉｃｒｏ−ＵＳＢ規格によって、レセプタクルコネクタ１２０の支持板部１２２の水平方向幅が限られ、追加プラグ端子に接続する追加コンタクトを配置するスペースがなく、また、支持板部１２２の上面と嵌合筒部１２５との間も、ＵＳＢプラグ１１０側の嵌合筒部１１５の厚み分の隙間δｔしかなく（図１４、図１５参照）、その間に拡張プラグ側の追加プラグ端子や追加プラグ端子を支持する追加支持板部を挿通させることもできず、結局、拡張プラグの追加プラグ端子に接続する追加コンタクトを、支持板部１２２の上面側に配置することもできない。
　そこで、図１５に示すように、嵌合筒部１３５に挿入されるＵＳＢプラグ１１０と干渉しないように、拡張プラグの追加プラグ端子に接続する追加コンタクト１３６を、コンタクト接触部１３３ａが露出する支持板部１３２の後方に露出させたレセプタクルコネクタ１３０が、特許文献２や特許文献３により提案されている。
　このレセプタクルコネクタ１３０によれば、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するレセプタクルコネクタとして、ＵＳＢプラグ１１０との接続を可能とするととともに、５本のプラグ端子１１３に加えてその後方に複数の追加プラグ端子を取り付けた拡張プラグについても、嵌合筒部１３５に挿入し、５本のプラグ端子１１３と追加プラグ端子をコンタクト接触部１１３ａとその後方に露出する追加コンタクト１３６へそれぞれ接続させることができる。 The Micro-USB standard (USB 2.0 Hi Speed) is a USB (Universal Serial Bus) standard for connecting a host device such as a computer and its peripheral devices. Receptacle connector that connects USB plugs that comply with the Micro-USB standard, and is a standard that defines the interface for transmission, and is widely used as a connector for connecting electronic products such as personal computers, mobile phones, and digital cameras to peripheral devices. ing.
FIG. 13 shows a USB plug 110 described in Patent Document 1 as an example of a USB plug compliant with the Micro-USB standard, and a support plate portion on the rear surface of the insulating housing 111 (the connection direction with the receptacle connector is the rear). 112 is horizontally and horizontally projected integrally, and five plug terminals 113 are integrally attached to the insulating housing 111 while being insulated from each other. Behind each plug terminal 113 is an elastic plug contact portion 113a that is curved upward and is exposed on the upper surface side of the support plate portion 112.
The support plate part 112 with the plug contact part 113a facing the upper surface is covered with a fitting cylinder part 115 formed in a horizontally long rectangular tube shape on a shield shell metal fitting 114 that is integrally attached to the insulating housing 111. A pair of engagement protrusions 116 are formed on both sides of the upper surface of the combined cylinder portion 115 by cutting and raising a part of the upper surface upward.
FIG. 14 shows a receptacle connector 120 described in Patent Document 2 as an example of a receptacle connector conforming to the Micro-USB standard to which the USB plug 110 is fitted and connected. In the connection direction from the insulating housing 121 to the USB plug 110, FIG. A support plate portion 122 projects in a horizontally long horizontal direction toward the front, and five contacts 123 are integrally attached to the insulating housing 121 while being insulated from each other. The contact contact portion 123a in front of each contact 123 is exposed along the lower surface of the support plate portion 122 to which the contact contact portions 113a of the five plug terminals 113 face each other when the USB plug 110 is connected. .
The support plate portion 122 with the contact contact portion 123a facing the lower surface is formed in a shape that fits outside the fitting tube portion 115 on the USB plug 110 side of the shield shell fitting 124 that is integrally attached to the insulating housing 121. The periphery of the fitting cylinder portion 125 is covered. Accordingly, when the USB plug 110 is connected to the receptacle connector 120, the fitting tube portions 115 and 125 that are fitted and connected to each other are in contact with the contact contact portions 123a that expose the plug contact portions 113a to the corresponding portions. While guiding and connecting, each plug contact part 113a and the contact contact part 123a are shielded from the outside.
A pair of engagement protrusions 116 of the fitting cylinder portion 115 are engaged with each other when the fitting cylinder portion 115 of the USB plug 110 is fitted and connected to the upper surface of the fitting cylinder portion 125 of the receptacle connector 120. The engagement receiving portion 126 is formed by drilling a through hole. As a result, the engagement protrusion 116 engages with the engagement receiving portion 126 while the fitting tube portion 115 of the USB plug 110 is inserted into the fitting tube portion 125 of the receptacle connector 120 and connected. Thus, even if an unintentional removal force is applied to the USB plug 110 by pulling the connection cable connected to the USB plug 110, it is not easily pulled out from the receptacle connector 120.
In general, the above-described receptacle connector 120 is mounted on a printed wiring board in the casing of the electronic product, attached to the casing with the opening of the fitting cylinder portion 125 facing the opening of the casing, and the fitting cylinder. The USB plug 110 attached to the terminal of the connection cable for connecting the electronic product to the peripheral device is inserted into the unit 125 and connected. Since the positions of the engagement protrusions 116 and the engagement receiving portions 126 formed on the upper surfaces of the fitting cylinder portions 115 and 125 are determined by the Micro-USB standard, the receptacle connector 120 is used as a housing of an electronic product. 14 or higher corresponding to the height δA of the engagement protrusion 116 on the upper surface of the fitting cylindrical portion 125 so that it does not interfere with the engagement protrusion 116 engaged with the engagement receiving portion 126 when attached. Space is secured in the housing.
Further, the protruding positions and shapes of the support plate portions 112 and 122 in the fitting tube portions 115 and 125, the exposed positions of the plug contact portions 113a and the contact contact portions 123a along the support plate portions 112 and 122, and the like are also described. -Since it is defined in the USB standard, the USB plug 110 and the receptacle connector 120 compliant with the Micro-USB standard can be connected to each other, and if the USB plug 110 is inserted into the fitting tube part 125 of the receptacle connector 120, Naturally, each plug contact portion 112a and the contact contact portion 113a exposed at the corresponding portion are contacted and connected.
On the other hand, only the USB plug 110 to which the five plug terminals 113 compliant with the Micro-USB standard are attached can be connected to the receptacle connector 120, and in order to connect more signal lines, the five plug terminals are connected. An extension plug obtained by adding another additional plug terminal to 113 cannot be connected. Therefore, there is a demand for a receptacle connector that can be connected to an expansion plug with an additional plug terminal in addition to the USB plug 110 compliant with the Micro-USB standard. However, the support plate portion of the receptacle connector 120 according to the Micro-USB standard. The horizontal width of 122 is limited, there is no space for arranging additional contacts connected to the additional plug terminals, and the upper surface of the support plate portion 122 and the fitting cylinder portion 125 are also fitted on the USB plug 110 side. There is only a gap δt corresponding to the thickness of the cylindrical portion 115 (see FIGS. 14 and 15), and an additional plug terminal on the expansion plug side and an additional support plate portion that supports the additional plug terminal cannot be inserted between them. An additional contact connected to the additional plug terminal of the extension plug cannot be arranged on the upper surface side of the support plate portion 122.
Therefore, as shown in FIG. 15, the additional contact 136 connected to the additional plug terminal of the expansion plug is connected to the support plug 133a from which the contact contact portion 133a is exposed so as not to interfere with the USB plug 110 inserted into the fitting cylinder portion 135. Patent Document 2 and Patent Document 3 propose a receptacle connector 130 exposed to the rear of the portion 132.
According to this receptacle connector 130, as a receptacle connector compliant with the Micro-USB standard, it is possible to connect to the USB plug 110, and in addition to the five plug terminals 113, a plurality of additional plug terminals are attached to the rear thereof. The extension plug can also be inserted into the fitting tube portion 135, and the five plug terminals 113 and the additional plug terminals can be connected to the contact contact portion 113a and the additional contact 136 exposed to the rear thereof.
特開２０１２−４１２５号公報JP 2012-4125 A 特許４８０７３９５号公報Japanese Patent No. 4807395 特開２００８−３０１４９２号公報JP 2008-301492 A
　しかしながら、上記従来のレセプタクルコネクタ１３０は、コンタクト接触部１１３ａの後方に追加コンタクト１３６を露出させるので、ＵＳＢプラグの挿入方向に沿ったレセプタクルコネクタ１３０の前後方向の長さが長くなり、Ｍｉｃｒｏ−ＵＳＢ規格に準拠し、挿入方向から見た外形を小型化したレセプタクルコネクタであるにもかかわらず、その奥行きは短縮できない。
　また、このレセプタクルコネクタ１３０に接続させる拡張プラグは、嵌合筒部で囲われる５本のプラグ端子の後方（先端方向）に複数の追加プラグ端子を露出させることとなるので、同様に挿入方向に沿った長さを短縮できないとともに、レセプタクルコネクタ１３０に接続しない場合には、追加プラグ端子が嵌合筒部の後方に露出するので、外力を受けて破損したり、指などが触れてプラグ端子を介して接続する電子部品が静電破壊される恐れがある。
　本発明はこのような問題点に鑑みてなされたもので、挿入方向に沿った全長を拡大させることなく、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグと追加プラグ端子を加えて取り付けた拡張プラグのいずれも接続可能なレセプタクルコネクタを提供することを目的とする。
　また、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグと互換性のある拡張プラグの追加コンタクトの周囲を嵌合筒部で囲い、外力から保護するレセプタクルコネクタを提供することを目的とする。
　また、拡張プラグの追加プラグ端子に接続する追加コンタクトを、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するコンタクトの配列ピッチに拘束されない任意のピッチで配列可能なレセプタクルコネクタを提供することを目的とする。 However, since the conventional receptacle connector 130 exposes the additional contact 136 behind the contact contact portion 113a, the length of the receptacle connector 130 in the front-rear direction along the insertion direction of the USB plug is increased, and the Micro-USB standard. In spite of the receptacle connector having a reduced outer shape viewed from the insertion direction, the depth cannot be shortened.
In addition, the expansion plug connected to the receptacle connector 130 exposes a plurality of additional plug terminals to the rear (front end direction) of the five plug terminals surrounded by the fitting cylinder portion. If the length along the line cannot be shortened and the plug connector 130 is not connected to the receptacle connector 130, the additional plug terminal is exposed to the rear of the fitting tube, so that it can be damaged by external force or touched by a finger or the like. There is a risk of electrostatic breakdown of electronic components connected through the connector.
The present invention has been made in view of such problems, and any of an expansion plug attached by adding a USB plug compliant with the Micro-USB standard and an additional plug terminal without increasing the overall length along the insertion direction. An object of the present invention is to provide a receptacle connector that can be connected.
It is another object of the present invention to provide a receptacle connector in which an additional contact of an expansion plug compatible with a USB plug compliant with the Micro-USB standard is surrounded by a fitting cylinder portion and protected from external force.
It is another object of the present invention to provide a receptacle connector in which additional contacts connected to additional plug terminals of an expansion plug can be arranged at an arbitrary pitch that is not constrained by the arrangement pitch of contacts conforming to the Micro-USB standard.
　上述の目的を達成するため、請求項１のレセプタクルコネクタは、第１プラグコネクタが前方から挿入される嵌合筒部を有するシールドシェル金具と、シールドシェル金具を一体に取り付け、嵌合筒部内の後方から前方に向かって水平に突出する支持板部を有する絶縁ハウジングと、絶縁ハウジングに互いに絶縁して取り付けられ、各接触部が支持板部の下面に沿って露出する複数の第１コンタクトと、支持板部の左右両側の上方を覆う嵌合筒部の部位に形成され、第１プラグコネクタの一対の係合突起にそれぞれ係合して第１プラグコネクタを嵌合筒部内に位置決めする一対の係合受部とを備え、嵌合筒部に挿入される第１プラグコネクタに配置される複数の第１プラグ端子に、複数の第１コンタクトの接触部をそれぞれ接触させるレセプタクルコネクタであって、
　第１プラグコネクタの複数の第１プラグ端子と同位置に配置する複数の第２プラグ端子の上方に、加えて複数の第３プラグ端子を加えて配置することにより上面が上方に膨出した第２プラグコネクタを、嵌合筒部に前方から挿入自在とするように一対の係合受部で挟まれる嵌合筒部の上板部を上方に湾曲形成するとともに、絶縁ハウジングに互いに絶縁して取り付けられる複数の第２コンタクトの各接触部を支持板部の上面に沿って露出させ、嵌合筒部に挿入される第２プラグコネクタに配置される複数の第２プラグ端子と複数の第３プラグ端子に、支持板部の下面に露出する複数の第１コンタクトの接触部と上面に露出する複数の第２コンタクトの接触部をそれぞれ接触させることを特徴とする。
　嵌合筒部の上方には、係合受部に係合する第１プラグコネクタの係合突起と干渉しない為の空間が確保されるので、嵌合筒部の上板部を上方に湾曲形成することができ、第３プラグ端子を加えて配置することにより上面が上方に膨出した第２プラグコネクタを嵌合筒部へ挿入できる。
　支持板部の下面に露出する複数の第１コンタクトの接触部は、第１プラグコネクタの複数の第１プラグ端子若しくは第２プラグコネクタの複数の第２プラグ端子に接触し、支持板部の上面に露出する数の第２コンタクトの接触部は、嵌合筒部の上板部が上方に湾曲形成されることにより、支持板部の上面と嵌合筒部の上板部との隙間に挿入可能となった第２プラグコネクタに配置される第３プラグ端子に接触する。
　請求項２のレセプタクルコネクタは、いずれかの第１コンタクトの接触部が、支持板部を成形する成型金型内で、一対の第２コンタクトの接触部間の隙間に上方から挿通する第１押さえピンと成型金型間に挟持されることにより位置決めされて、支持板部の下面に沿って一体成形され、いずれかの第２コンタクトの接触部が、支持板部を成形する成型金型内で、一対の第１コンタクトの接触部間の隙間に下方から挿通する第２押さえピンと成型金型間に挟持されることにより位置決めされて、支持板部の上面に沿って一体成形されることを特徴とする。
　支持板部へのインサート成形行程で、第２コンタクトの接触部は、第１コンタクトの接触部を上下方向で位置決めする第１押さえピンにより、支持板部の上面に沿って隣り合う第２コンタクトの接触部の方向に位置決めされ、第１コンタクトの接触部は、第２コンタクトの接触部を上下方向で位置決めする第２押さえピンにより、支持板部の下面に沿って隣り合う第１コンタクトの接触部の方向に位置決めされる。
　請求項３のレセプタクルコネクタは、いずれかの第１コンタクトの接触部が、支持板部を成形する成型金型内で、鉛直方向で第２コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンと成型金型間に挟持されることにより位置決めされて、支持板部の下面に沿って一体成形され、いずれかの第２コンタクトの接触部が、支持板部を成形する成型金型内で、鉛直方向で第１コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンと成型金型間に挟持されることにより位置決めされて、支持板部の上面に沿って一体成形されることを特徴とする。
　支持板部へのインサート成形行程で、第１コンタクトの接触部は、鉛直方向で第２コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンにより、支持板部の下面に露出するように位置決めされ、第２コンタクトの接触部は、鉛直方向で第１コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンにより、支持板部の上面に露出するように位置決めされる。
　請求項４のレセプタクルコネクタは、支持板部の上面の両側から前面にかけて、支持板部に帯状保護金具が取り付けられていることを特徴とする。
　支持板部の上面には、その両側に沿って帯状保護金具を露出させて取り付ける領域を確保でき、支持板部の両側面に保護金具を露出させることなく、異なる方向で挿入されるプラグから第１コンタクトと第２コンタクトを保護できる。
　請求項５のレセプタクルコネクタは、係合受部を、嵌合筒部の内頂面を上方に膨出させて形成するとともに、嵌合筒部の後方の開口を絶縁ハウジングで覆い、第１プラグコネクタ若しくは第２プラグコネクタが挿入された嵌合筒部内を密封構造とすることを特徴とする。
　係合受部を、嵌合筒部の内頂面を上方に膨出させて形成するので、開口が形成されず、嵌合筒部の強度が増すと共に、レセプタクルコネクタをプリント配線基板へ実装する実装行程でフラックスが第１コンタクトの接触部や第２コンタクトの接触部が露出する嵌合筒部内に侵入しない。
　請求項６のレセプタクルコネクタは、第１プラグコネクタが、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する雄型コネクタであり、嵌合筒部を有するシールドシェル金具の形状と絶縁ハウジングに取り付けられる第１コンタクトの取り付け位置は、雌型コネクタについて規定するＭｉｃｒｏ−ＵＳＢ規格に準拠していることを特徴とする。
　Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグと、ＵＳＢプラグに追加のプラグ端子を加えた構造の拡張プラグのいずれとも接続する。 In order to achieve the above-described object, a receptacle connector according to claim 1 is configured such that a shield shell metal fitting having a fitting cylinder portion into which a first plug connector is inserted from the front and a shield shell metal fitting are integrally attached, An insulating housing having a support plate portion that protrudes horizontally from the rear toward the front; and a plurality of first contacts that are attached to the insulating housing while being insulated from each other and each contact portion is exposed along the lower surface of the support plate portion; A pair of mating cylinders that cover the upper sides of the left and right sides of the support plate and engage the pair of engaging projections of the first plug connector to position the first plug connector in the mating cylinder. A receptacle having an engagement receiving portion, wherein the contact portions of the plurality of first contacts are brought into contact with the plurality of first plug terminals arranged in the first plug connector inserted into the fitting tube portion. A cycle connector,
A top surface bulges upward by arranging a plurality of third plug terminals in addition to the plurality of second plug terminals arranged at the same position as the plurality of first plug terminals of the first plug connector. The upper plug part of the fitting cylinder part sandwiched between the pair of engagement receiving parts is curved upward so that the two plug connector can be inserted into the fitting cylinder part from the front, and insulated from the insulating housing. Each contact portion of the plurality of second contacts to be attached is exposed along the upper surface of the support plate portion, and a plurality of second plug terminals and a plurality of third plugs disposed on the second plug connector inserted into the fitting tube portion. The contact portion of the plurality of first contacts exposed on the lower surface of the support plate portion and the contact portion of the plurality of second contacts exposed on the upper surface are respectively brought into contact with the plug terminal.
Since a space is secured above the fitting tube portion so as not to interfere with the engagement protrusion of the first plug connector that engages with the engagement receiving portion, the upper plate portion of the fitting tube portion is curved upward. It is possible to insert the second plug connector having the upper surface bulging upward by adding the third plug terminal to the fitting tube portion.
The contact portions of the plurality of first contacts exposed on the lower surface of the support plate portion are in contact with the plurality of first plug terminals of the first plug connector or the plurality of second plug terminals of the second plug connector, and the upper surface of the support plate portion. The contact portions of the number of second contacts exposed to the surface are inserted into the gap between the upper surface of the support plate portion and the upper plate portion of the fitting cylinder portion by the upper plate portion of the fitting cylinder portion being curved upward. The third plug terminal arranged on the second plug connector that has become possible comes into contact.
The receptacle connector according to claim 2, wherein the contact portion of any of the first contacts is inserted from above into the gap between the contact portions of the pair of second contacts in a molding die for forming the support plate portion. It is positioned by being pinched between the pin and the molding die, and is integrally molded along the lower surface of the support plate portion, and the contact portion of any second contact is within the molding die for molding the support plate portion, It is positioned by being sandwiched between a second pressing pin inserted from below into a gap between the contact portions of the pair of first contacts and a molding die, and is integrally molded along the upper surface of the support plate portion. To do.
In the insert molding process to the support plate portion, the contact portion of the second contact is formed by the first pressing pin that positions the contact portion of the first contact in the vertical direction, with the second contact adjacent to the upper surface of the support plate portion. The contact portion of the first contact is positioned in the direction of the contact portion, and the contact portion of the first contact is adjacent to the lower surface of the support plate portion by a second pressing pin that positions the contact portion of the second contact in the vertical direction. It is positioned in the direction of
The receptacle connector according to claim 3 is inserted from the rear into the overlapping region where the contact portion of any of the first contacts overlaps with the contact portion of the second contact in the vertical direction in the molding die for forming the support plate portion. It is positioned by being sandwiched between the guide pin and the molding die, and is integrally molded along the lower surface of the support plate portion, and the contact portion of any second contact is within the molding die for molding the support plate portion. It is positioned by being sandwiched between a guide pin inserted from the rear and a molding die in an overlapping region overlapping with the contact portion of the first contact in the vertical direction, and is integrally molded along the upper surface of the support plate portion. Features.
In the insert molding process to the support plate portion, the contact portion of the first contact is exposed on the lower surface of the support plate portion by a guide pin inserted from the rear into the overlapping region overlapping the contact portion of the second contact in the vertical direction. The contact portion of the second contact is positioned so as to be exposed on the upper surface of the support plate portion by a guide pin inserted from behind in an overlapping region overlapping with the contact portion of the first contact in the vertical direction.
The receptacle connector according to claim 4 is characterized in that a band-shaped protective metal fitting is attached to the support plate portion from both sides of the upper surface of the support plate portion to the front surface.
On the upper surface of the support plate part, it is possible to secure an area where the band-shaped protective metal fittings are exposed along both sides of the support plate part, and from the plugs inserted in different directions without exposing the protective metal fittings on both side surfaces of the support plate part. One contact and the second contact can be protected.
In the receptacle connector according to claim 5, the engagement receiving portion is formed by causing the inner top surface of the fitting tube portion to bulge upward, and the rear opening of the fitting tube portion is covered with an insulating housing. The fitting cylinder portion into which the connector or the second plug connector is inserted has a sealed structure.
Since the engagement receiving portion is formed by expanding the inner top surface of the fitting cylinder portion upward, the opening is not formed, the strength of the fitting cylinder portion is increased, and the receptacle connector is mounted on the printed circuit board. In the mounting process, the flux does not enter the fitting cylinder part where the contact part of the first contact or the contact part of the second contact is exposed.
In the receptacle connector according to claim 6, the first plug connector is a male connector compliant with the Micro-USB standard, and the shape of the shield shell metal fitting having the fitting tube portion and the attachment position of the first contact attached to the insulating housing Is characterized in that it conforms to the Micro-USB standard for female connectors.
It is connected to either a USB plug compliant with the Micro-USB standard or an expansion plug having a structure in which an additional plug terminal is added to the USB plug.
　請求項１の発明によれば、第３プラグ端子と接触する第２コンタクトの接触部は、第１コンタクトの接触部が下面に露出する支持板部の上面に露出するので、プラグコネクタの挿入方向に沿った全長を拡大させることなく、第１プラグコネクタと、第１プラグコネクタの第１プラグ端子に相当する第２プラグ端子に複数の第３プラグ端子を加えた構造の第２プラグコネクタのいずれも接続できる。
　また、第２プラグコネクタについても、第２プラグ端子の上方に第３プラグ端子を配置できるので、挿入方向の長さを拡大させずに第３プラグ端子を追加でき、第２プラグ端子と第３プラグ端子の周囲全体を嵌合筒部で囲ってこれらのプラグ端子を外部から保護できる。
　請求項２の発明よれば、第１コンタクトの接触部を支持板部の下面に沿って露出するように位置決めする第１押さえピンと、第２コンタクトの接蝕部を支持板部の上面に沿って露出するように位置決めする第２押さえピンを利用して、第２コンタクトの接蝕部と第１コンタクトの接触部を各配列ピッチ方向に位置決めできる。
　請求項３の発明よれば、第１コンタクトの接触部と第２コンタクトの接触部が支持板部の鉛直方向で重なっても、インサート成形行程で、後方から挿入されるガイドピンと成形金型間に挟持して上下方向に位置決めできるので、第１コンタクトの接触部の数やその取り付け位置にかかわらず、任意数の第２コンタクトの接触部を支持板部の上面の任意の位置に露出させることができる。
　請求項４の発明によれば、支持板部の上面の両側に帯状保護金具を取り付けても、任意のピッチと数の第２コンタクトの各接触部を露出させることができるので、帯状保護金具を避けて複数の第２コンタクトの各接触部を上面に露出させることができる。
　請求項５の発明によれば、係合突起に係合する係合受部を形成しても、第１プラグコネクタ若しくは第２プラグコネクタを挿入した際の嵌合筒部内を防水構造とすることができる。
　また、嵌合筒部の外周面に開口が形成されないので、嵌合筒部の強度が増すと共に、レセプタクルコネクタをプリント配線基板へ実装する実装行程でフラックスが第１コンタクトの接触部や第２コンタクトの接触部が露出する嵌合筒部内に侵入しない。
　請求項６の発明によれば、ＵＳＢプラグと、ＵＳＢプラグに追加のプラグ端子を加えた拡張プラグのいずれも接続できる。
　特に、請求項３を引用するレセプタクルコネクタでは、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する５本の第１コンタクトの接触部の露出する位置に拘束されず、Ｍｉｃｒｏ−ＵＳＢ規格で限られた幅の支持板部の上面に多数の第２コンタクトの接触部を臨ませることができる。 According to the first aspect of the present invention, the contact portion of the second contact that contacts the third plug terminal is exposed on the upper surface of the support plate portion where the contact portion of the first contact is exposed on the lower surface. Any of the first plug connector and the second plug connector having a structure in which a plurality of third plug terminals are added to the second plug terminal corresponding to the first plug terminal of the first plug connector without increasing the overall length along the line. Can also be connected.
In addition, since the third plug terminal can also be arranged above the second plug terminal in the second plug connector, the third plug terminal can be added without increasing the length in the insertion direction. These plug terminals can be protected from the outside by surrounding the entire periphery of the plug terminals with a fitting tube portion.
According to the invention of claim 2, the first pressing pin for positioning the contact portion of the first contact so as to be exposed along the lower surface of the support plate portion, and the contact portion of the second contact along the upper surface of the support plate portion. Using the second pressing pin that is positioned so as to be exposed, the contact portion of the second contact and the contact portion of the first contact can be positioned in each arrangement pitch direction.
According to the invention of claim 3, even if the contact portion of the first contact and the contact portion of the second contact overlap in the vertical direction of the support plate portion, in the insert molding process, between the guide pin inserted from the rear and the molding die. Since it can be pinched and positioned in the vertical direction, an arbitrary number of contact portions of the second contacts can be exposed at an arbitrary position on the upper surface of the support plate portion regardless of the number of contact portions of the first contacts and their attachment positions. it can.
According to invention of Claim 4, even if it attaches strip | belt-shaped protection metal fittings to the both sides of the upper surface of a support plate part, since each contact part of 2nd contacts of arbitrary pitches and numbers can be exposed, Avoiding each of the contact portions of the plurality of second contacts can be exposed on the upper surface.
According to the invention of claim 5, even if the engagement receiving portion that engages with the engagement protrusion is formed, the inside of the fitting tube portion when the first plug connector or the second plug connector is inserted has a waterproof structure. Can do.
Further, since the opening is not formed on the outer peripheral surface of the fitting tube portion, the strength of the fitting tube portion is increased, and the flux is contacted with the contact portion of the first contact or the second contact in the mounting process of mounting the receptacle connector on the printed wiring board. The contact portion does not enter the exposed tube portion.
According to the invention of claim 6, both the USB plug and the expansion plug obtained by adding an additional plug terminal to the USB plug can be connected.
In particular, the receptacle connector cited in claim 3 is not restricted by the exposed positions of the contact portions of the five first contacts conforming to the Micro-USB standard, and has a width limited by the Micro-USB standard. Many contact portions of the second contacts can be exposed on the upper surface of the substrate.
　図１は本発明の１実施の形態に係るレセプタクルコネクタ１の正面図である。
　図２は図１のＡ−Ａ線で切断したレセプタクルコネクタ１の縦断面図である。
　図３はレセプタクルコネクタ１の側面図である。
　図４は図３のＢ−Ｂ線で切断したレセプタクルコネクタ１の縦断面図である。
　図５はレセプタクルコネクタ１の底面図である。
　図６は図５のＣ−Ｃ線で切断した位置で、追加コンタクト４の接触部４１と保護金具６を成形金型内に位置決めする状態を、Ｃ−Ｃ線断面の上下を逆転させて示す模式図である。
　図７はレセプタクルコネクタ１の平面図である。
　図８は図７のＤ−Ｄ線で切断した位置で、ＵＳＢコンタクト３の接触部３１を成形金型内に位置決めする状態を示す模式図である。
　図９はシールドシェル金具５の組み立て前の中間成形品１’を斜め上方からみた斜視図である。
　図１０はシールドシェル金具５の組み立て前の中間成形品１’を斜め下方からみた斜視図である。
　図１１はレセプタクルコネクタ１を斜め上方からみた斜視図である。
　図１２はレセプタクルコネクタ１に嵌合接続可能な拡張プラグ１００の斜視図である。
　図１３はＭｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグ１１０の斜視図である。
　図１４はＭｉｃｒｏ−ＵＳＢ規格に準拠するレセプタクルコネクタ１２０の正面図である。
　図１５は従来のレセプタクルコネクタ１３０の縦断面図である。 FIG. 1 is a front view of a receptacle connector 1 according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of the receptacle connector 1 cut along line AA in FIG.
FIG. 3 is a side view of the receptacle connector 1.
4 is a longitudinal sectional view of the receptacle connector 1 cut along the line BB in FIG.
FIG. 5 is a bottom view of the receptacle connector 1.
FIG. 6 shows a state in which the contact portion 41 of the additional contact 4 and the protective metal fitting 6 are positioned in the molding die at the position cut along the line CC in FIG. It is a schematic diagram.
FIG. 7 is a plan view of the receptacle connector 1.
FIG. 8 is a schematic diagram showing a state in which the contact portion 31 of the USB contact 3 is positioned in the molding die at a position cut along the line DD in FIG.
FIG. 9 is a perspective view of the intermediate molded product 1 ′ before assembling the shield shell metal fitting 5 as viewed obliquely from above.
FIG. 10 is a perspective view of the intermediate molded product 1 ′ before assembling the shield shell metal fitting 5 as seen obliquely from below.
FIG. 11 is a perspective view of the receptacle connector 1 as viewed obliquely from above.
FIG. 12 is a perspective view of the expansion plug 100 that can be fitted and connected to the receptacle connector 1.
FIG. 13 is a perspective view of the USB plug 110 compliant with the Micro-USB standard.
FIG. 14 is a front view of the receptacle connector 120 compliant with the Micro-USB standard.
FIG. 15 is a longitudinal sectional view of a conventional receptacle connector 130.
　本発明の一実施の形態に係るレセプタクルコネクタ１を図１乃至図１３の各図を用いて説明する。以下のレセプタクルコネクタ１の各部の説明では、ＵＳＢプラグ１１０や拡張プラグ１００の挿入方向（図１において紙面の奥行き方向）を後方、正面側を前方、図１で図示する各方向を上下左右方向として説明する。
　レセプタクルコネクタ１は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠し、図１３に示す第１プラグコネクタに相当するＵＳＢプラグ１１０と接続するとともに、図１２に示す第２プラグコネクタに相当する拡張プラグ１００とも接続可能であり、本実施の形態では、ＵＳＢプラグ１１０と拡張プラグ１００は、電子製品を周辺機器と接続する接続ケーブル１４０の端末に取り付けられ、レセプタクルコネクタ１は、その電子製品の図示しない筐体内のプリント配線基板に実装され、筐体の窓孔から後述する嵌合筒部５１の開口を臨ませて筐体に取り付けられる。
　このレセプタクルコネクタ１に接続可能な拡張プラグ１００は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する部分でＵＳＢプラグ１１０の構成と同一であり、ＵＳＢプラグ１１０の構成をもとに、新たに６本の追加プラグ端子１０１を備えたものである。すなわち、図１２に示すように、支持板部１０２、支持板部１０２の上面に沿って配置されるプラグ端子１０３、嵌合筒部１０５の上面に形成される係合突起１０６等をＵＳＢプラグ１１０の支持板部１１２、プラグ端子１１３、係合突起１１６等が形成される位置に相当する位置に形成した構成をもとに、６本の追加プラグ端子１０１の追加プラグ接触部を嵌合筒部１０５内に臨ませるために、一対の係合突起１０６間の嵌合筒部１０５の上面を上方に膨出させて、その内頂面に沿って図示しない絶縁ハウジングから追加支持板部１０７を突設し、追加支持板部１０７の下面に沿って絶縁ハウジングに支持された６本の追加プラグ端子１０１の各追加プラグ接触部を臨ませている。追加プラグ接触部は、プラグ端子１０３のプラグ接触部１０３ａと上下方向で対象形状に形成され、従って、下方に湾曲形成されることにより弾性を有し、追加支持板部１０７の下面に沿って露出している。
　追加支持板部１０７は、支持板部１０２の上方に、レセプタクルコネクタ１の後述する支持板部２２の厚さよりわずかに長い間隔を隔てて支持板部１０２に平行に突設され、これにより、拡張プラグ１００をレセプタクルコネクタ１に接続すると、支持板部１０２と追加支持板部１０７の間にレセプタクルコネクタ１の支持板部２２が遊嵌され、プラグ端子１０３のプラグ接触部１０３ａと追加プラグ端子１０１の追加プラグ接触部がそれぞれ支持板部２２の下面と上面に弾性接触するようになっている。
　レセプタクルコネクタ１は、５本のＵＳＢプラグ１１０のプラグ端子１１３若しくは拡張プラグ１００のプラグ端子１０３にそれぞれ接続する５本のＵＳＢコンタクト３と、６本の拡張プラグ１００の追加プラグ端子１０１にそれぞれ接続する６本の追加コンタクト４と、保護金具６と、各ＵＳＢコンタクト３と追加コンタクト４と保護金具６とをインサート成形により一体に取り付けて支持する絶縁ハウジング２と、絶縁ハウジング２の周囲に取り付けられ、前方に横長角筒状の嵌合筒部５１を一体に有する導電性のシールドシェル金具５とから構成される。
　絶縁ハウジング２は、絶縁合成樹脂を用いて、図９、図１０に示すように、嵌合筒部５１の後方の開口を覆うハウジング本体２１と、ハウジング本体２１の前面から嵌合筒部５１内に前方に水平に突出する長方形板状の支持板部２２とが一体に形成されたものである。
　５本のＵＳＢコンタクト３は、それぞれ導電性の金属プレートを打ち抜いて、細長帯状に形成されたもので、前方から支持板部２２の下面の前後方向に沿って細長板状に露出する接触部３１と、ハウジング本体２１に一体に固定される固定部３２と、ハウジング本体２１の底面に沿って後方に突出する脚部３３とが一体に連設されている。接触部３１が支持板部２２の下面に露出する位置は、Ｍｉｃｒｏ−ＵＳＢ規格により定められ、５枚の接触部３１ａ乃至３１ｅが、図４、図５に示すように、左右方向に沿って等ピッチで露出している。
　６本の追加コンタクト４も、ＵＳＢコンタクト３と同様に、それぞれ導電性の金属プレートを打ち抜いて、細長帯状に形成されたもので、前方から支持板部２２の上面の前後方向に沿って細長板状に露出する接触部４１と、ハウジング本体２１に一体に固定される固定部４２と、ハウジング本体２１の底面に沿って後方に突出する脚部４３とが一体に連設されている。支持板部２２の上面のＭｉｃｒｏ−ＵＳＢ規格によって限られた水平方向幅内に、５本のＵＳＢコンタクト３より多数の６本の追加コンタクト４の各接触部４１ａ乃至４１ｆを互いに絶縁して露出させることから、図４、図７に示すように、各接触部４１の幅は、接触部３１より狭く、また、左右方向に沿って等間隔で露出する各接触部４１間のピッチは、接触部３１間のピッチより短いものとなっている。
　保護金具６は、細長帯状に形成された金属片で形成され、図９に示すように、支持板部２２の前面から上面の左右両側に沿って一体に取り付けられることにより、不要な外力から上面と下面に露出する接触部３１、４１を保護するものであり、傾斜して挿入される拡張プラグ１００やＵＳＢプラグの先端を支持板部２２に露出する接触部３１、４１に当接する前に当接させ、接触部３１、４１を外力から保護している。保護金具６の後端は、図７に示すように、ハウジング本体２１の上面に露出し、その上面を覆うシールドシェル金具５に接触させている。
　シールドシェル金具５は、図２，図１１に示すように、ステンレス板等の所定の強度を有する導電性の薄板金属板をプレス加工して形成され、横長角筒状の嵌合筒部５１と、嵌合筒部５１の後方に筒状に連続してハウジング本体２１の外周に沿って取り付けられるシェル本体５２と、シェル本体５２の両側面の後端で前方に折り返され、シェル本体５２の両側面の外側に重ねて形成される一対の接地脚部５３とから構成されている。シールドシェル金具５の全体は、シェル本体５２がハウジング本体２１の周囲を囲い、シェル本体５２の後方に引き出された位置決め片５２ａ（図２参照）とシェル本体５２の後端との間でハウジング本体２１の後方フランジ部２１ａを挟持することにより、絶縁ハウジング２に固定される。
　嵌合筒部５１の上面の両側には、図２に示すように、それぞれ嵌合筒部５１の上板部５１ａを上方に膨出させてなる係合受部５４が形成されている。一対の係合受部５４は、拡張プラグ１００の係合突起１０６若しくはＵＳＢプラグ１１０の係合突起１１６と対応する嵌合筒部５１の上面の部位に形成されているもので、拡張プラグ１００若しくはＵＳＢプラグ１１０を嵌合筒部５１へ挿入している際に、係合突起１０６、１１６と係合して、拡張プラグ１００若しくはＵＳＢプラグ１１０が嵌合筒部５１から不用意に引き出されないようにしている。
　嵌合筒部５１の輪郭形状は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠し、ＵＳＢプラグ１１０を前方から挿入自在とする形状となっているが、更に、上面の一部が上方に膨出した拡張プラグ１００の嵌合筒部１０５にも外側から嵌合し、拡張プラグ１００を前方から挿入自在とするように、一対の係合受部５４の間の上板部５１ａが上方に湾曲形成されている。上述したように、レセプタクルコネクタ１は、電子製品の筐体の窓孔に嵌合筒部５１の開口を臨ませて筐体に取り付けられるものであるが、係合受部５４に係合する拡張プラグ１００若しくはＵＳＢプラグ１１０の係合突起１０６、１１６と干渉しないように、筐体内には嵌合筒部５１の上方に図１４のδＡに相当する空間が確保されているので、その空間を利用して、嵌合筒部５１の上板部５１ａの一部を上方に湾曲形成し、支持板部２２の上面との間に拡張プラグ１００の追加支持板部１０７と追加支持板部１０７の下面に沿って臨む追加プラグ端子１０１の追加プラグ接触部を挿入させることができる。
　このレセプタクルコネクタ１は、始めに、図示する各形状に形成した５本のＵＳＢコンタクト３と６本の追加コンタクト４と保護金具を、絶縁ハウジング２を成形する成形金型内に位置決めし、絶縁ハウジング２の成形行程で５本のＵＳＢコンタクト３と６本の追加コンタクト４と保護金具６をインサート成形により一体成形する。以下、特に、薄肉の支持板部２２の下面と上面に沿ってそれぞれ異なるピッチのＵＳＢコンタクト３の接触部３１と追加コンタクト４の接触部４１を露出させる成形金型内での位置決め方法について、図５乃至図８を用いて詳述する。
　図６は、成形金型内の押し上げピン７の抜き孔７０が表れる図５のＣ−Ｃ線断面を上下逆転させて、追加コンタクト４の接触部４１と保護金具６を成形金型内に位置決めする状態を示している。図に示すように、支持板部２２の上面の左右両側に沿って露出する保護金具６は、接触部３１ａ、３１ｅの外側で下方から挿通する押し上げピン７ａ、７ｆと成形金型との間で挟持され、支持板部２２の上面に沿って上下方向に位置決めされる。
　６本の追加コンタクト４の接触部４１の配列ピッチは、５本のＵＳＢコンタクト３の接触部３１の配列ピッチと異なり、全ての接触部４１を下方の接触部３１を避けてその下面に当接させる押し上げピン７と成形金型の間で挟持して位置決めすることはできないので、各接触部４１は、鉛直方向の接触部３１との相対位置関係によってその位置決め方法が異なる。
（１）鉛直方向でＵＳＢコンタクト３の接触部３１に重ならない場合
　鉛直方向でＵＳＢコンタクト３の接触部３１と重ならない左右両側の接触部４１ａ、４１ｆは、それぞれ隣り合う接触部３１ａ、３１ｂと接触部３１ｄ、３１ｅの間を下方から挿通する押し上げピン７ｂ、７ｅと成形金型との間で挟持する。
（２）鉛直方向でＵＳＢコンタクト３の接触部３１と完全に重なる場合
　鉛直方向でＵＳＢコンタクト３の接触部３１ｂ、３１ｄと完全に重なる接触部４１ｂ、４１ｅは、下方から押し上げピン７を当接させることができないので、それぞれ接触部３１ｂ、３１ｄに重ねて後方（紙面の奥行き方向）から前方に向かって突出するガイドピン８ｂ、８ｅと成形金型との間で挟持する。
（３）鉛直方向でＵＳＢコンタクト３の接触部３１と一部が重なる場合
　鉛直方向でＵＳＢコンタクト３の接触部３１ｃに一部が重なる接触部４１ｃ、４１ｄは、それぞれ接触部３１ｃの両側に下方から挿通する押し上げピン７ｃ、７ｄと接触部３１ｃとの上に後方から前方に向かって突出するガイドピン８ｃ、８ｄと成形金型との間で挟持する。
　押し上げピン７若しくはガイドピン８による各接触部４１の位置決めは、図５のＣ−Ｃ線に沿った位置と、その後方側の位置の２列に沿って行われ、これにより支持板部２２を成形する際に、その表面に成形樹脂が付着することなく支持板部２２の上面に露出する。同時に、図６に示すように、上記（１）乃至（３）により各接触部４１を支持板部２２の上面に沿って位置決めする際に、ＵＳＢコンタクト３の各接触部３１ａ乃至３１ｅは、両側に押し上げピン７ａ乃至７ｆが挿通し、Ｃ−Ｃ線とその後方の２箇所の位置で左右方向に位置決めされ、隣り合う接触部３１と間隔が等配列ピッチで、支持板部２２の下面の前後方向に沿って露出する。
　図８は、成形金型内の押し下げピン９の抜き孔９０が表れる図７のＤ−Ｄ線断面で、ＵＳＢコンタクト３の接触部３１を成形金型内に位置決めする状態を示している。図２に示すように、押し下げピン９の抜き孔９０が表れる２列の位置（図７のＤ−Ｄ線）と、押し上げピン７の抜き孔７０が表れる２列の位置（図５のＣ−Ｃ線）とは、前後方向で交互にずらせた位置となっている。
　５本のＵＳＢコンタクト３の接触部３１の配列ピッチについても、一部の接触部３１については、上方に追加コンタクト４の接触部４１や保護金具６が配置されて上方から押し下げピン９を直接当接させて位置決めすることができないので、各接触部３１は、鉛直方向の接触部４１や保護金具６との相対位置関係によってその位置決め方法が異なる。
（４）鉛直方向で追加コンタクト４の接触部４１や保護金具６に重ならない場合
　図８に示す配置関係では、このような接触部３１はないが、鉛直方向で追加コンタクト４の接触部４１と重ならない接触部４１が存在する場合には、隣り合う接触部３１間を上方から挿通する押し下げピン７と成形金型との間で挟持する。
（５）鉛直方向で追加コンタクト４の接触部４１や保護金具６と完全に重なる場合
　本実施の形態では、接触部３１の横幅より、接触部４１や保護金具６の横幅は短いので、接触部４１や保護金具６に完全に重なる接触部４１はないが、完全に重なる場合には、上方から押し下げピン７９当接させることができないので、接触部３１との間に後方から前方に向かって突出するガイドピン８を接触部３１の上面に当接させて、ガイドピン８と成形金型との間で挟持する。
（６）鉛直方向で追加コンタクト４の接触部４１と一部が重なる場合
　上記（２）（３）において下面全体がガイドピン８ｂ乃至８ｄで位置決めされている接触部４１ｂ乃至４１ｅが鉛直方向で一部で重なっている接触部３１ｂ乃至３１ｄは、それぞれ、そのガイドピン８ｂ乃至８ｄと接触部４１ｂ乃至４１ｅの両側の上方から挿通する押し下げピン９ｂ乃至９ｆと成形金型との間で挟持する。
（７）鉛直方向で保護金具６と一部が重なる場合
　鉛直方向で保護金具６に一部が重なる接触部３１ａ、３１ｅは、それぞれ、その上方に後方から前方に向かってガイドピン８ａ、８ｆを突出し、ガイドピン８ａ、８ｆを保護金具６の側方の上方から挿通する押し下げピン９ａ、９ｇで押し下げ、ガイドピン８ａ、８ｆと成形金型との間で挟持する。
　押し下げピン９若しくはガイドピン８による各接触部３１の位置決めは、図６のＤ−Ｄ線に沿った位置と、その後方側の位置の２列に沿って行われ、これにより支持板部２２を成形した際に、その表面に成形樹脂が付着することなく支持板部２２の下面に露出する。同時に、図８に示すように、上記（６）、（７）により各接触部３１を支持板部２２の下面に沿って位置決めする際に、追加コンタクト４の各接触部４１ａ乃至４１ｆは、両側に押し下げピン９ａ乃至９ｇが挿通し、Ｄ−Ｄ線とその後方の２箇所の位置で左右方向に位置決めされ、隣り合う接触部４１と間隔が等配列ピッチで、支持板部２２の上面の前後方向に沿って露出する。
　ＵＳＢコンタクト３、追加コンタクト４及び保護金具６を互いに絶縁して絶縁ハウジング２に一体成形した中間成形品１’は、図９、図１０に示す形状に形成され、その周囲に筒状としたシールドシェル金具５を組み付けて、レセプタクルコネクタ１を組み立てる。シールドシェル金具５の組み付けは、筒状のシェル本体５２の後方から支持板部２２が前方に突出するハウジング本体２１を嵌挿し、後方フランジ部２１ａがシェル本体５２の後端に当接する位置で位置決め片５２ａをハウジング本体２１の後面に沿って直角に折り曲げて固定する。
　シールドシェル金具５を組み付けた状態で、上面と下面にそれぞれ追加コンタクト４の接触部４１とＵＳＢコンタクト３の接触部３１を臨ませた支持板部２２が嵌合筒部５１内に前方に向けて水平に配置され、追加コンタクト４の脚部４３とＵＳＢコンタクトの脚部３３の後端が整列して、ハウジング本体２１の底面に沿って絶縁ハウジング２の後方に突出する。
　このように構成されたレセプタクルコネクタ１は、電子製品の筐体内のプリント配線基板上に配置され、上記各脚部３３、４３をプリント配線基板の対向部位に形成されるパターンに半田付けするとともに、シールドシェル金具２の一対の接地脚部５２を接地パターンに半田付けして、プリント配線基板上に実装する。プリント配線基板上に実装されたレセプタクルコネクタ１は、嵌合筒部５１の前方の開口を筐体の窓孔から外方に臨ませて、筐体内に取り付けられる。この取り付けの際に、レセプタクルコネクタ１の嵌合筒部５１の上面は、拡張プラグ１００を前方から挿入自在とするように上方に湾曲形成されいるが、筐体内に図１４のδＡに相当する空間が確保されているので、レセプタクルコネクタ１を筐体内の他の部分と干渉することなく取り付けることができる。
　上述の通りレセプタクルコネクタ１は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠しているので、従来と同様に、接続ケーブルの一端に接続されたＵＳＢプラグ１１０を嵌合筒部５１へ挿入して接続できる。ＵＳＢプラグ１１０の嵌合筒部１１５を前方から嵌合筒部５１へ挿入すると、支持板部１１２の上面に沿って臨む５本のプラグ端子１１３の各プラグ接触部１１３ａが支持板部２２の下面で対向する５本のＵＳＢコンタクト３の各接触部３１にそれぞれ弾性接触し、電気接続する。この接続の際にＵＳＢプラグ１１０の係合突起１１６とレセプタクルコネクタ１の係合受部５４が係合し、ＵＳＢプラグ１１０に不用意に抜去力が作用しても容易に引き抜かれず、相互の接続が保たれる。
　また、ＵＳＢプラグ１１０に対して更に６本の追加プラグ端子１０１を加えた拡張プラグ１００も、レセプタクルコネクタ１へ接続できる。拡張プラグ１００の嵌合筒部１０５を前方から嵌合筒部５１へ挿入すると、支持板部１０２の上面に沿って臨む５本のプラグ端子１０３と追加支持板部１０７の下面に沿って臨む６本の追加プラグ端子１０１が、それぞれ支持板部２２の下面に露出する５本のＵＳＢコンタクト３の各接触部３１と、上面に露出する６本の追加コンタクト４の各接触部４１に弾性接触し、電気接続する。この接続の際には、同様に、拡張プラグ１００の係合突起１０６とレセプタクルコネクタ１の係合受部５４が係合し、拡張プラグ１００に不用意に抜去力が作用しても容易に引き抜かれない。
　上述の実施の形態では、ＵＳＢコンタクト３と追加コンタクト４を絶縁ハウジング２の支持板部２２にインサート成形しているが、絶縁ハウジング２へ圧入などで取り付けるものであっても本発明を適用できる。
　また、これらのＵＳＢコンタクト３と追加コンタクト４の本数や形状、支持板部２２の左右方向の配列ピッチ等は、上述の実施の形態に限らない。
　また、上述の実施の形態では、保護金具６をコンタクト３、４とともにインサート成形しているが、保護金具６は、別に取り付けるものであってもよく、シールドシェル金具５等でコンタクト３、４を保護できれば、更に必ずしも支持板部２２へ設ける必要もない。
　更に、上述のレセプタクルコネクタ１やＵＳＢプラグ１１０は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する例で説明したが、他の規格などでその形状が定められているレセプタクルコネクタ１についても本発明を適用できる。
　更に、成形金型内でＵＳＢコンタクト３の接触部３１と追加コンタクト４の接触部４１の間に後方から突出するガイドピン８は、接触部３１、４１間に挟持されているが、成形金型との間で鉛直方向に位置決めするいずれかの接触部３１、４１に当接していれば、他側の接触部４１、３１には必ずしも接触させなくてもよい。
　本発明は、Ｍｉｃｒｏ−ＵＳＢ規格に準拠するＵＳＢプラグとＵＳＢプラグのプラグ端子に別の追加プラグ端子を加えた拡張プラグのいずれとも接続するレセプタクルコネクタに適している。 A receptacle connector 1 according to an embodiment of the present invention will be described with reference to FIGS. In the following description of each part of the receptacle connector 1, the insertion direction of the USB plug 110 and the expansion plug 100 (the depth direction of the paper surface in FIG. 1) is the rear, the front side is the front, and the directions shown in FIG. explain.
The receptacle connector 1 conforms to the Micro-USB standard and can be connected to the USB plug 110 corresponding to the first plug connector shown in FIG. 13 and also to the expansion plug 100 corresponding to the second plug connector shown in FIG. In this embodiment, the USB plug 110 and the expansion plug 100 are attached to a terminal of a connection cable 140 that connects an electronic product to a peripheral device, and the receptacle connector 1 is a printed wiring in a housing (not shown) of the electronic product. It is mounted on the substrate and attached to the housing with the opening of the fitting cylinder portion 51 described later facing through the window hole of the housing.
The expansion plug 100 that can be connected to the receptacle connector 1 is the same as the configuration of the USB plug 110 in a portion that conforms to the Micro-USB standard. Based on the configuration of the USB plug 110, six additional plug terminals are newly added. 101 is provided. That is, as shown in FIG. 12, the USB plug 110 includes a support plate portion 102, a plug terminal 103 disposed along the upper surface of the support plate portion 102, an engagement protrusion 106 formed on the upper surface of the fitting tube portion 105, and the like. The additional plug contact portions of the six additional plug terminals 101 are fitted to the fitting cylinder portion based on the configuration formed at the position corresponding to the position where the support plate portion 112, the plug terminal 113, the engagement protrusion 116, etc. are formed. 105, the upper surface of the fitting tube portion 105 between the pair of engaging protrusions 106 is bulged upward, and the additional support plate portion 107 protrudes from an insulating housing (not shown) along the inner top surface. The additional plug contact portions of the six additional plug terminals 101 supported by the insulating housing are faced along the lower surface of the additional support plate portion 107. The additional plug contact portion is formed into a target shape in the vertical direction with the plug contact portion 103a of the plug terminal 103, and thus has elasticity by being bent downward and exposed along the lower surface of the additional support plate portion 107. is doing.
The additional support plate 107 is provided above the support plate 102 so as to protrude in parallel with the support plate 102 at a distance slightly longer than the thickness of the support plate 22 described later of the receptacle connector 1. When the plug 100 is connected to the receptacle connector 1, the support plate portion 22 of the receptacle connector 1 is loosely fitted between the support plate portion 102 and the additional support plate portion 107, and the plug contact portion 103 a of the plug terminal 103 and the additional plug terminal 101 are connected. The additional plug contact portions are in elastic contact with the lower surface and the upper surface of the support plate portion 22, respectively.
The receptacle connector 1 is connected to the five USB contacts 3 respectively connected to the plug terminals 113 of the five USB plugs 110 or the plug terminals 103 of the expansion plug 100 and the additional plug terminals 101 of the six expansion plugs 100. 6 additional contacts 4, protective metal fittings 6, an insulating housing 2 for integrally attaching and supporting each USB contact 3, additional contact 4 and protective metal fitting 6 by insert molding, and attached around the insulating housing 2, It is comprised from the conductive shield shell metal fitting 5 which has the fitting tube | pipe part 51 of a horizontally long rectangular tube shape in the front.
As shown in FIGS. 9 and 10, the insulating housing 2 is made of an insulating synthetic resin and covers the housing main body 21 that covers the rear opening of the fitting cylinder 51, and the inside of the fitting cylinder 51 from the front surface of the housing main body 21. In addition, a rectangular plate-like support plate portion 22 that projects horizontally forward is integrally formed.
Each of the five USB contacts 3 is formed by elongating a conductive metal plate to form an elongated strip. The contact portion 31 is exposed in the form of an elongated plate along the front-rear direction of the lower surface of the support plate 22 from the front. And the fixing | fixed part 32 fixed to the housing main body 21 integrally and the leg part 33 which protrudes back along the bottom face of the housing main body 21 are integrally connected. The position at which the contact portion 31 is exposed on the lower surface of the support plate portion 22 is determined by the Micro-USB standard, and the five contact portions 31a to 31e are arranged along the left-right direction as shown in FIGS. Exposed at pitch.
Similarly to the USB contact 3, the six additional contacts 4 are each formed by punching a conductive metal plate into a strip shape. The strips are formed along the front-rear direction of the upper surface of the support plate portion 22 from the front. A contact portion 41 exposed in a shape, a fixing portion 42 that is integrally fixed to the housing main body 21, and a leg portion 43 that protrudes rearward along the bottom surface of the housing main body 21 are integrally provided. Within the horizontal width limited by the Micro-USB standard on the upper surface of the support plate portion 22, the contact portions 41 a to 41 f of the six additional contacts 4 more than the five USB contacts 3 are insulated and exposed to each other. 4 and 7, the width of each contact portion 41 is narrower than that of the contact portion 31, and the pitch between the contact portions 41 exposed at equal intervals along the left-right direction is equal to the contact portion. The pitch is shorter than 31 pitches.
As shown in FIG. 9, the protective metal fitting 6 is formed of a metal strip formed in the shape of an elongated band, and is integrally attached along the left and right sides of the upper surface from the front surface of the support plate portion 22, so that the upper surface can be protected from unnecessary external force. The contact portions 31 and 41 exposed on the lower surface are protected, and the tips of the expansion plug 100 and USB plug inserted at an angle are contacted before contacting the contact portions 31 and 41 exposed on the support plate portion 22. The contact portions 31 and 41 are protected from external force. As shown in FIG. 7, the rear end of the protective metal fitting 6 is exposed on the upper surface of the housing body 21 and is in contact with the shield shell metal fitting 5 covering the upper surface.
As shown in FIGS. 2 and 11, the shield shell metal fitting 5 is formed by pressing a conductive thin metal plate having a predetermined strength such as a stainless steel plate, The shell main body 52 is attached to the rear of the fitting main body 51 along the outer periphery of the housing main body 21, and is folded forward at the rear ends of both side surfaces of the shell main body 52. It is comprised from a pair of grounding leg part 53 overlapped and formed on the outer side of a surface. The entire shield shell metal fitting 5 includes a shell body 52 that surrounds the housing body 21, and a housing body between a positioning piece 52 a (see FIG. 2) drawn out rearward of the shell body 52 and the rear end of the shell body 52. The rear flange portion 21 a of 21 is clamped to the insulating housing 2.
As shown in FIG. 2, engagement receiving portions 54 are formed on both sides of the upper surface of the fitting cylinder portion 51, each of which bulges the upper plate portion 51 a of the fitting cylinder portion 51 upward. The pair of engagement receiving portions 54 are formed on the upper surface portion of the fitting tube portion 51 corresponding to the engagement protrusion 106 of the expansion plug 100 or the engagement protrusion 116 of the USB plug 110. When the USB plug 110 is inserted into the fitting tube portion 51, the expansion plug 100 or the USB plug 110 is prevented from being inadvertently pulled out from the fitting tube portion 51 by engaging with the engaging protrusions 106 and 116. I have to.
The contour shape of the fitting cylinder portion 51 is compliant with the Micro-USB standard, and the USB plug 110 can be inserted from the front, but the expansion plug 100 with a part of the upper surface bulging upward. The upper plate portion 51a between the pair of engagement receiving portions 54 is curved upward so that the fitting tube portion 105 is also fitted from the outside so that the expansion plug 100 can be inserted from the front. As described above, the receptacle connector 1 is attached to the casing with the opening of the fitting cylinder portion 51 facing the window hole of the casing of the electronic product. A space corresponding to δA in FIG. 14 is secured above the fitting cylinder portion 51 in the housing so as not to interfere with the engagement protrusions 106 and 116 of the plug 100 or the USB plug 110. Then, a part of the upper plate portion 51 a of the fitting cylinder portion 51 is curved upward, and the lower surface of the additional support plate portion 107 and the additional support plate portion 107 of the expansion plug 100 is interposed between the upper surface of the support plate portion 22. It is possible to insert the additional plug contact portion of the additional plug terminal 101 that faces along.
In this receptacle connector 1, first, five USB contacts 3, six additional contacts 4 and protective metal fittings formed in the respective shapes shown in the figure are positioned in a molding die for molding the insulating housing 2, and the insulating housing In the molding step 2, the five USB contacts 3, the six additional contacts 4, and the protective metal fitting 6 are integrally molded by insert molding. Hereinafter, in particular, a positioning method in the molding die for exposing the contact portions 31 of the USB contacts 3 and the contact portions 41 of the additional contacts 4 having different pitches along the lower surface and the upper surface of the thin support plate portion 22 will be described. This will be described in detail with reference to FIGS.
FIG. 6 shows the contact portion 41 of the additional contact 4 and the protective metal fitting 6 positioned in the molding die by reversing the cross section taken along the line CC in FIG. 5 where the punching hole 70 of the push-up pin 7 in the molding die appears. It shows the state to do. As shown in the figure, the protective metal fitting 6 exposed along the left and right sides of the upper surface of the support plate portion 22 is formed between the push-up pins 7a and 7f inserted from below outside the contact portions 31a and 31e and the molding die. It is sandwiched and positioned in the vertical direction along the upper surface of the support plate portion 22.
The arrangement pitch of the contact portions 41 of the six additional contacts 4 is different from the arrangement pitch of the contact portions 31 of the five USB contacts 3, and all the contact portions 41 abut on the lower surface of the contact portions 41 avoiding the lower contact portions 31. Since it cannot be positioned by being pinched between the push-up pin 7 to be formed and the molding die, the positioning method of each contact portion 41 differs depending on the relative positional relationship with the contact portion 31 in the vertical direction.
(1) When the vertical contact does not overlap the contact portion 31 of the USB contact 3 The left and right contact portions 41a and 41f that do not overlap the contact portion 31 of the USB contact 3 in the vertical direction contact the adjacent contact portions 31a and 31b, respectively. It clamps between the raising pins 7b and 7e which penetrate between the parts 31d and 31e from the bottom, and a shaping die.
(2) In the case where the contact portion 31 of the USB contact 3 is completely overlapped in the vertical direction The contact portions 41b, 41e that are completely overlapped with the contact portions 31b, 31d of the USB contact 3 in the vertical direction are brought into contact with the push-up pin 7 from below. Therefore, it is sandwiched between the guide pins 8b and 8e which protrude from the rear (the depth direction of the paper surface) to the front and overlap with the contact portions 31b and 31d, respectively.
(3) When the contact portion 31 of the USB contact 3 partially overlaps the contact portion 31 of the USB contact 3 in the vertical direction The contact portions 41c and 41d partially overlap the contact portion 31c of the USB contact 3 in the vertical direction respectively from below on both sides of the contact portion 31c. It is clamped between the guide pins 8c, 8d protruding from the rear to the front on the push-up pins 7c, 7d to be inserted and the contact portion 31c, and the molding die.
Positioning of each contact portion 41 by the push-up pin 7 or the guide pin 8 is performed along two rows of the position along the line CC in FIG. 5 and the position on the rear side thereof. When molding, the molding resin is exposed on the upper surface of the support plate portion 22 without adhering to the surface. At the same time, as shown in FIG. 6, when the contact portions 41 are positioned along the upper surface of the support plate portion 22 according to the above (1) to (3), the contact portions 31a to 31e of the USB contact 3 are The push-up pins 7a to 7f are inserted through and are positioned in the left-right direction at the CC line and two positions behind the line C-C. Exposed along the direction.
FIG. 8 shows a state in which the contact portion 31 of the USB contact 3 is positioned in the molding die on the DD cross section of FIG. 7 where the punching hole 90 of the push-down pin 9 in the molding die appears. As shown in FIG. 2, the positions of the two rows where the punch holes 90 of the push-down pin 9 appear (DD line in FIG. 7) and the positions of the two rows where the punch hole 70 of the push-up pin 7 appear (C-- in FIG. 5). (C line) is a position that is alternately shifted in the front-rear direction.
Regarding the arrangement pitch of the contact portions 31 of the five USB contacts 3, for some contact portions 31, the contact portions 41 of the additional contacts 4 and the protective metal fittings 6 are arranged on the upper side, and the push-down pins 9 are directly applied from above. Since the contact portions 31 cannot be positioned, the contact portions 31 have different positioning methods depending on the relative positional relationship between the contact portions 41 and the protective metal fitting 6 in the vertical direction.
(4) When the contact portion 41 of the additional contact 4 and the protective metal fitting 6 do not overlap in the vertical direction In the arrangement relationship shown in FIG. 8, there is no such contact portion 31, but the contact portion 41 of the additional contact 4 in the vertical direction. When the contact part 41 which does not overlap exists, it clamps between the pressing pin 7 which penetrates between the adjacent contact parts 31 from upper direction, and a shaping die.
(5) When the contact portion 41 and the protective metal fitting 6 of the additional contact 4 are completely overlapped in the vertical direction In this embodiment, the horizontal width of the contact portion 41 and the protective metal fitting 6 is shorter than the horizontal width of the contact portion 31. 41 and the protective fitting 6 do not have the contact portion 41 that completely overlaps, but when it completely overlaps, the push-down pin 79 cannot be brought into contact with the upper portion, so that it protrudes from the rear to the front between the contact portion 31 The guide pin 8 to be brought into contact with the upper surface of the contact portion 31 is sandwiched between the guide pin 8 and the molding die.
(6) When the contact portion 41 of the additional contact 4 partially overlaps in the vertical direction In the above (2) and (3), the contact portions 41b to 41e whose entire lower surface is positioned by the guide pins 8b to 8d are identical in the vertical direction. The contact portions 31b to 31d overlapping each other are sandwiched between the guide pins 8b to 8d and the push-down pins 9b to 9f inserted from above the both sides of the contact portions 41b to 41e and the molding die.
(7) When the protective metal fitting 6 partially overlaps in the vertical direction The contact portions 31a and 31e that partially overlap the protective metal fitting 6 in the vertical direction are respectively provided with guide pins 8a and 8f on the upper side from the rear to the front. The guide pins 8a and 8f protrude and are pushed down by push-down pins 9a and 9g inserted from above the side of the protective metal fitting 6, and are sandwiched between the guide pins 8a and 8f and the molding die.
Positioning of each contact portion 31 by the push-down pin 9 or the guide pin 8 is performed along two rows of the position along the DD line in FIG. 6 and the position on the rear side thereof. When molded, the molding resin is exposed on the lower surface of the support plate portion 22 without adhering to the surface. At the same time, as shown in FIG. 8, when the contact portions 31 are positioned along the lower surface of the support plate portion 22 according to the above (6) and (7), the contact portions 41a to 41f of the additional contact 4 are The push-down pins 9a to 9g are inserted through and are positioned in the left-right direction at the DD line and two positions behind the line D-D. Exposed along the direction.
An intermediate molded product 1 ′ in which the USB contact 3, the additional contact 4, and the protective metal fitting 6 are insulated from each other and integrally formed in the insulating housing 2 is formed in the shape shown in FIGS. 9 and 10, and has a cylindrical shield around it. The shell metal fitting 5 is assembled and the receptacle connector 1 is assembled. The shield shell metal fitting 5 is assembled at a position where the housing main body 21 in which the support plate portion 22 projects forward from the rear of the cylindrical shell main body 52 is inserted and the rear flange portion 21a contacts the rear end of the shell main body 52. The piece 52a is bent at a right angle along the rear surface of the housing body 21 and fixed.
In the state where the shield shell metal fitting 5 is assembled, the support plate portion 22 facing the contact portion 41 of the additional contact 4 and the contact portion 31 of the USB contact 3 on the upper surface and the lower surface respectively faces forward in the fitting tube portion 51. The legs 43 of the additional contacts 4 and the rear ends of the legs 33 of the USB contacts are aligned and project rearward of the insulating housing 2 along the bottom surface of the housing body 21.
The receptacle connector 1 configured in this manner is disposed on a printed wiring board in a housing of an electronic product, and solders the legs 33 and 43 to a pattern formed on a facing portion of the printed wiring board. The pair of ground legs 52 of the shield shell metal fitting 2 is soldered to the ground pattern and mounted on the printed wiring board. The receptacle connector 1 mounted on the printed wiring board is mounted in the casing with the front opening of the fitting cylinder portion 51 facing outward from the window hole of the casing. At the time of this attachment, the upper surface of the fitting cylinder portion 51 of the receptacle connector 1 is curved upward so that the expansion plug 100 can be inserted from the front, but a space corresponding to δA in FIG. Therefore, the receptacle connector 1 can be attached without interfering with other parts in the housing.
Since the receptacle connector 1 conforms to the Micro-USB standard as described above, the USB plug 110 connected to one end of the connection cable can be inserted into the fitting tube portion 51 and connected as in the conventional case. When the fitting tube portion 115 of the USB plug 110 is inserted into the fitting tube portion 51 from the front, each plug contact portion 113a of the five plug terminals 113 facing the upper surface of the support plate portion 112 becomes the lower surface of the support plate portion 22. Are elastically contacted and electrically connected to the contact portions 31 of the five USB contacts 3 facing each other. At the time of this connection, the engagement protrusion 116 of the USB plug 110 and the engagement receiving portion 54 of the receptacle connector 1 are engaged, and even if an unintentional removal force acts on the USB plug 110, the USB plug 110 is not easily pulled out. Is preserved.
An expansion plug 100 in which six additional plug terminals 101 are added to the USB plug 110 can also be connected to the receptacle connector 1. When the fitting tube portion 105 of the expansion plug 100 is inserted into the fitting tube portion 51 from the front, the five plug terminals 103 that face along the top surface of the support plate portion 102 and the bottom surface of the additional support plate portion 107 appear 6. The two additional plug terminals 101 are in elastic contact with the contact portions 31 of the five USB contacts 3 exposed on the lower surface of the support plate 22 and the contact portions 41 of the six additional contacts 4 exposed on the upper surface, respectively. Electrical connection. At the time of this connection, similarly, the engagement protrusion 106 of the expansion plug 100 and the engagement receiving portion 54 of the receptacle connector 1 are engaged, and even if an unintentional removal force acts on the expansion plug 100, it is easily pulled out. I can't pull it out.
In the above-described embodiment, the USB contact 3 and the additional contact 4 are insert-molded on the support plate portion 22 of the insulating housing 2, but the present invention can be applied even if they are attached to the insulating housing 2 by press fitting or the like.
Further, the number and shape of the USB contacts 3 and the additional contacts 4 and the arrangement pitch of the support plate portion 22 in the left-right direction are not limited to the above-described embodiment.
In the above-described embodiment, the protective metal fitting 6 is insert-molded together with the contacts 3 and 4. However, the protective metal fitting 6 may be attached separately, and the contacts 3 and 4 are connected by the shield shell metal fitting 5 or the like. If it can be protected, it is not always necessary to provide the support plate 22.
Furthermore, although the above-described receptacle connector 1 and USB plug 110 have been described as examples based on the Micro-USB standard, the present invention can also be applied to the receptacle connector 1 whose shape is defined by other standards.
Further, the guide pin 8 protruding from the rear side between the contact part 31 of the USB contact 3 and the contact part 41 of the additional contact 4 is sandwiched between the contact parts 31 and 41 in the molding die. As long as it is in contact with any one of the contact portions 31 and 41 that are positioned in the vertical direction, the contact portions 41 and 31 on the other side may not necessarily be in contact with each other.
The present invention is suitable for a receptacle connector that is connected to both a USB plug compliant with the Micro-USB standard and an expansion plug in which another additional plug terminal is added to the plug terminal of the USB plug.
　１　レセプタクルコネクタ
　２　絶縁ハウジング
　２２　支持板部
　３　　ＵＳＢコンタクト（第１コンタクト）
　３１　接触部（第１コンタクトの接触部）
　４　　追加コンタクト（第２コンタクト）
　４１　接触部（第２コンタクトの接触部）
　５　　シールドシェル金具
　５１　嵌合筒部
　５４　係合受部
　７　　押し上げピン（第２押さえピン）
　８　　ガイドピン
　９　　押し下げピン（第１押さえピン） DESCRIPTION OF SYMBOLS 1 Receptacle connector 2 Insulation housing 22 Support plate part 3 USB contact (1st contact)
31 Contact part (contact part of the first contact)
4 Additional contact (second contact)
41 Contact part (contact part of the second contact)
5 Shield shell metal fitting 51 Fitting cylinder part 54 Engagement receiving part 7 Push-up pin (second pressing pin)
8 Guide pin 9 Push-down pin (first presser pin)

Claims (6)

  1. 　第１プラグコネクタが前方から挿入される嵌合筒部を有するシールドシェル金具と、前記シールドシェル金具を一体に取り付け、前記嵌合筒部内の後方から前方に向かって水平に突出する支持板部を有する絶縁ハウジングと、前記絶縁ハウジングに互いに絶縁して取り付けられ、各接触部が前記支持板部の下面に沿って露出する複数の第１コンタクトと、前記支持板部の左右両側の上方を覆う前記嵌合筒部の部位に形成され、第１プラグコネクタの一対の係合突起にそれぞれ係合して第１プラグコネクタを嵌合筒部内に位置決めする一対の係合受部とを備え、前記嵌合筒部に挿入される第１プラグコネクタに配置される複数の第１プラグ端子に、前記複数の第１コンタクトの接触部をそれぞれ接触させるレセプタクルコネクタであって、前記第１プラグコネクタの複数の第１プラグ端子と同位置に配置する複数の第２プラグ端子の上方に、加えて複数の第３プラグ端子を加えて配置することにより上面が上方に膨出した第２プラグコネクタを、前記嵌合筒部に前方から挿入自在とするように前記一対の係合受部で挟まれる前記嵌合筒部の上板部を上方に湾曲形成するとともに、前記絶縁ハウジングに互いに絶縁して取り付けられる複数の第２コンタクトの各接触部を前記支持板部の上面に沿って露出させ、前記嵌合筒部に挿入される第２プラグコネクタに配置される複数の第２プラグ端子と複数の第３プラグ端子に、前記支持板部の下面に露出する複数の第１コンタクトの接触部と上面に露出する前記複数の第２コンタクトの接触部をそれぞれ接触させることを特徴とするレセプタクルコネクタ。 A shield shell fitting having a fitting tube portion into which the first plug connector is inserted from the front, and the shield shell fitting are integrally attached, and a support plate portion that projects horizontally from the rear to the front in the fitting tube portion. An insulating housing having a plurality of first contacts which are attached to the insulating housing and insulated from each other, and each contact portion is exposed along a lower surface of the support plate portion; A pair of engagement receiving portions formed at a portion of the fitting cylinder portion, respectively engaged with a pair of engagement protrusions of the first plug connector to position the first plug connector in the fitting cylinder portion, A receptacle connector for bringing the contact portions of the plurality of first contacts into contact with a plurality of first plug terminals arranged in a first plug connector inserted into the coupling tube portion, A top surface bulges upward by arranging a plurality of third plug terminals in addition to the plurality of second plug terminals arranged at the same position as the plurality of first plug terminals of the first plug connector. An upper plate portion of the fitting tube portion sandwiched between the pair of engagement receiving portions is curved upward so that the two plug connector can be inserted into the fitting tube portion from the front. A plurality of second plugs that are disposed on a second plug connector that is inserted into the fitting cylinder portion, exposing the contact portions of the plurality of second contacts that are insulated from each other along the upper surface of the support plate portion. The contact portions of the plurality of first contacts exposed on the lower surface of the support plate portion and the contact portions of the plurality of second contacts exposed on the upper surface are brought into contact with the terminal and the plurality of third plug terminals, respectively. Reception Kuru connector.
  2. 　前記いずれかの第１コンタクトの接触部は、前記支持板部を成形する成型金型内で、一対の第２コンタクトの接触部間の隙間に上方から挿通する第１押さえピンと前記成型金型間に挟持されることにより位置決めされて、前記支持板部の下面に沿って一体成形され、前記いずれかの第２コンタクトの接触部は、前記支持板部を成形する成型金型内で、一対の第１コンタクトの接触部間の隙間に下方から挿通する第２押さえピンと前記成型金型間に挟持されることにより位置決めされて、前記支持板部の上面に沿って一体成形されることを特徴とする請求項１に記載のレセプタクルコネクタ。 The contact portion of any one of the first contacts is between the first pressing pin inserted from above into the gap between the contact portions of the pair of second contacts in the molding die for molding the support plate portion and the molding die. The contact portion of any one of the second contacts is formed in a pair of molding dies for forming the support plate portion, and is integrally formed along the lower surface of the support plate portion. It is positioned by being sandwiched between a second pressing pin that is inserted from below into the gap between the contact portions of the first contact and the molding die, and is integrally molded along the upper surface of the support plate portion. The receptacle connector according to claim 1.
  3. 　前記いずれかの第１コンタクトの接触部は、前記支持板部を成形する成型金型内で、鉛直方向で第２コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンと前記成型金型間に挟持されることにより位置決めされて、前記支持板部の下面に沿って一体成形され、前記いずれかの第２コンタクトの接触部は、前記支持板部を成形する成型金型内で、鉛直方向で第１コンタクトの接触部と重なる重複領域に後方から挿入されるガイドピンと前記成型金型間に挟持されることにより位置決めされて、前記支持板部の上面に沿って一体成形されることを特徴とする請求項１又は請求項２のいずれか１項に記載のレセプタクルコネクタ。 The contact portion of any one of the first contacts includes a guide pin and the molding die that are inserted from the rear into an overlapping region that overlaps the contact portion of the second contact in the vertical direction in the molding die for molding the support plate portion. It is positioned by being sandwiched between them, and is integrally formed along the lower surface of the support plate portion, and the contact portion of any one of the second contacts is vertical in a molding die for forming the support plate portion. It is positioned by being sandwiched between the guide pin inserted from the rear and the molding die in an overlapping region overlapping with the contact portion of the first contact in the direction, and is integrally molded along the upper surface of the support plate portion The receptacle connector according to claim 1, wherein the receptacle connector is characterized by the following.
  4. 　前記支持板部の上面の両側から前面にかけて、前記支持板部に帯状保護金具が取り付けられていることを特徴とする請求項１に記載のレセプタクルコネクタ。 The receptacle connector according to claim 1, wherein a band-shaped protective metal fitting is attached to the support plate portion from both sides of the upper surface of the support plate portion to the front surface.
  5. 　前記係合受部を、前記嵌合筒部の内頂面を上方に膨出させて形成するとともに、前記嵌合筒部の後方の開口を前記絶縁ハウジングで覆い、第１プラグコネクタ若しくは第２プラグコネクタが挿入された前記嵌合筒部内を密封構造とすることを特徴とする請求項１に記載のレセプタクルコネクタ。 The engagement receiving portion is formed by causing the inner top surface of the fitting tube portion to bulge upward, and the rear opening of the fitting tube portion is covered with the insulating housing, so that the first plug connector or the second plug connector The receptacle connector according to claim 1, wherein the fitting cylinder portion into which the plug connector is inserted has a sealed structure.
  6. 　前記第１プラグコネクタは、Ｍｉｃｒｏ−ＵＳＢ規格に準拠する雄型コネクタであり、前記嵌合筒部を有するシールドシェル金具の形状と前記絶縁ハウジングに取り付けられる第１コンタクトの取り付け位置は、雌型コネクタについて規定するＭｉｃｒｏ−ＵＳＢ規格に準拠していることを特徴とする請求項１乃至請求項３のいずれか１項に記載のレセプタクルコネクタ。 The first plug connector is a male connector conforming to the Micro-USB standard, and the shape of the shield shell metal fitting having the fitting tube portion and the attachment position of the first contact attached to the insulating housing are a female connector. The receptacle connector according to any one of claims 1 to 3, wherein the receptacle connector conforms to a Micro-USB standard that defines
PCT/JP2013/081983 2012-12-11 2013-11-21 Receptacle connector WO2014091931A1 (en)

Applications Claiming Priority (2)

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JP2012-270268 2012-12-11
JP2012270268A JP2014116223A (en) 2012-12-11 2012-12-11 Receptacle connector

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