EP3051634A1 - Connector - Google Patents
Connector Download PDFInfo
- Publication number
- EP3051634A1 EP3051634A1 EP14847537.9A EP14847537A EP3051634A1 EP 3051634 A1 EP3051634 A1 EP 3051634A1 EP 14847537 A EP14847537 A EP 14847537A EP 3051634 A1 EP3051634 A1 EP 3051634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- connector
- receptacle
- insulator
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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- 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
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
Definitions
- each plug contact 25 comes into contact with the resilient contact portion 53 of the associated receptacle contact 50 while resiliently deforming the resilient contact portion 53 of the associated receptacle contact 50; accordingly, electrical continuity is established between the circuit boards 31 and 60 via the plug contacts 25 and the receptacle contacts 50.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
- The present invention relates to a connector which allows circuit boards to be mutually connected and to which countermeasures against noise have been taken.
- Electronic apparatuses and electrical apparatuses, such as desktop PCs (personal computers), laptop computers and tablet computers, generally contain a circuit board on which electronic components are mounted and another circuit board on which other electronic components are mounted.
- A connector disclosed in Patent Literature 1 is a connector for use in connecting such two circuit boards to each other and includes a receptacle connector mounted on a circuit board (first circuit board / rigid board) and a plug connector mounted on another circuit board (second circuit board / rigid board).
- The receptacle connector is provided with a receptacle insulator and a plurality of receptacle contacts. The receptacle insulator is provided with an annular outer peripheral wall and a fitting recess which is formed inside the outer peripheral wall. The plurality of receptacle contacts are made to be supported by the receptacle insulator while being arranged in the lengthwise direction of the receptacle connector. Each receptacle contact is provided with a tail portion, which is mounted onto a circuit pattern formed on the mounting surface of the first circuit board and a contact portion which is positioned in the fitting recess of the receptacle insulator.
- On the other hand, the plug connector is provided with a plug insulator and a plurality of plug contacts. The plug insulator is provided with an annular pro jecting fitting portion which can be fitted into the aforementioned fitting recess. Each plug contact is provided with a tail portion which is mounted to a circuit pattern on the mounting surface of the second circuit board and a contact portion which is integral with the projecting fitting portion of the plug insulator.
- Fitting (connecting) the projecting fitting portion of the plug connector into (to) the fitting recess of the receptacle connector causes the contact portion of each plug contact to come into contact with the contact portion of an associated receptacle contact and causes the first circuit board and the second circuit board to become parallel to each other. In addition, the electronic components mounted on the first circuit board and the electronic components mounted on the second circuit board are mutually electrically connected.
- In recent electronic apparatuses and electrical apparatuses, an increase in information volume and higher communication speeds have progressed considerably, so that taking countermeasures against noise in the apparatuses has become a key issue. Accordingly, there has been a strong desire to improve the resistance to noise with respect to the connector and to suppress noise about the periphery of the connector.
- Hence, the receptacle connector disclosed in Patent Literature 1 is equipped with a conductive member (shieldmember) made of metal which is provided on the outer peripheral surface of the receptacle insulator to cover this outer peripheral surface.
- This conductive member is electrically continuous with a ground pattern formed on the first circuit board. Therefore, external noise entering the receptacle contacts of the receptacle connector (and the plug contacts) and the leakage of noise from the receptacle contacts (and the plug contacts) to the outside can be reduced.
- Patent Literature 1: Japanese Unexamined Patent Publication No.
2013-140755 - In recent years, the distance between mutually facing surfaces of a first circuit board and a second circuit board has been reduced due to the slimming of the connector has progressed due to the slimming of electronic apparatuses and electrical apparatuses. Therefore, the distances from the conductive member to the first circuit board and the second circuit board, and the distance from the conductive member to the tail portions of the receptacle contacts, have reduced.
- Accordingly, in the case where the tail portions of the receptacle contacts are soldered onto the mounting surface of the first circuit board or minute foreign particles such as dust or the like are adhered to the same mounting surface or tail portions, there is a possibility of (electrical) short-circuiting occurring between the conductive member and each of the first and second circuit boards (the circuit patterns thereof) and between the conductive member and the tail portions of the receptacle contacts via solder or foreign particles.
- Furthermore, before the receptacle connector and the plug connector are mutually connected, sometimes static electricity which has flowed to the plug connector from hands of a worker, etc., is intentionally discharged to the first circuit board (to the ground pattern thereof) from the conductive member by bringing a metal member (e.g., a metal fitting for fixing the plug insulator to the second circuit board), on the plug connector side, into contact with the conductive member. This causes the static electricity to flow into the receptacle contacts and the circuit pattern of the first circuit board, thus making it possible to prevent the electronic components, etc., which are connected to the first circuit board (and the second circuit board), from being electrostatically damaged by static electricity.
- However, when the distance from the conductive member to the tail portions of the receptacle contacts is small, there is a possibility of electrical discharge occurring between the conductive member and the tail portions of the receptacle contacts, and accordingly, there is a possibility of the aforementioned static electricity flowing into the receptacle contacts and the circuit pattern of the first circuit board.
- In recent years, the distance between the first circuit board and the second circuit board (the height of the connector in an engaged state) has been reduced to 1 mm or less (the distance between the conductive member and the tail portions has also been extremely reduced) when the receptacle connector and the plug connector are mutually connected, and accordingly, the possibility of the above described problems ("short-circuiting" and "electrostatic discharge damage") occurring have increased.
- The present invention provides a connector that is effectively capable of reducing the possibility of short-circuiting and electric discharge occurring between the conducted member and the circuit boards or the contacts when the first connector and the second connector are mutually connected, even in the case where the entire connector is configured to have a low profile.
- The connector according to the present invention is characterized by a connector including a first connector including a first insulator which has an annular outer peripheral wall and a fitting recess formed inside the outer peripheral wall, a plurality of first contacts which are supported by the first insulator and each have a first contact portion that is positioned in the fitting recess and a tail portion that is mountable to a circuit pattern of the first circuit board, and a conductive member supported by the first insulator; and a second connector including a second insulator which has an annular projecting fitting portion capable of being fitted into the fitting recess, and a plurality of second contacts which are supported by the second insulator, are mountable to a circuit pattern of the second circuit board and each have a second contact portion which comes in contact with the first contact portion when the projecting fitting portion is fitted into the fitting recess. The conductive member is positioned between the first circuit board and the second circuit board when the first contacts and the second contacts are mounted to the circuit pattern of the first circuit board and the circuit pattern of the second circuit board, respectively. The outer peripheral wall includes a conductive-member shield portion which is positioned between the conductive member and the first circuit board together with the tail portion and/or between the second circuit board and the conductive member.
- The conductive-member shield portion can include a first shield portion positioned between the conductive member and the first circuit board together with the tail portion; and a second shield portion positioned between the second circuit board and the conductive member.
- The conductive member can include an outer peripheral-side shield member which covers an outer peripheral surface of the outer peripheral wall.
- After the tail portions of the first contacts of the first connector are mounted to the first circuit board (to the circuit pattern thereof) and second contacts of the second connector are mounted to the second circuit board (to the circuit pattern thereof), fitting the projecting fitting portion of the second insulator into the fitting recess of the first insulator causes the first contacts and the second contacts to be electrically continuous with each other.
- In the case where the connector is configured to have a low-profile structure, the distance from the conductive member to the first circuit board and the tail portions and the distance from the conductive member to the second circuit board (at least one of the former distance and the latter distance) become small.
- However, since the outer peripheral wall of the first insulator is equipped with the conduct ive-member shield portion that is positioned between the conductive member and each of the first circuit board and the tail portions, and (or) between the second circuit board and the conductive member, the possibility of short-circuit and electric discharge occurring between the connective member and the first circuit board, the second circuit board and/or the tail portions can be effectively reduced when the first connector and the second connector are mutually connected.
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FIG. 1 is a perspective view of a receptacle connector and a plug connector of an embodiment according to the present invention in a separated state, viewed from above. -
FIG. 2 is a perspective view of the receptacle connector and the plug connector in a separated state, viewed from below. -
FIG. 3 is a perspective view of the receptacle connector and the plug connector in a connected state, viewed from above. -
FIG. 4 is an exploded perspective view of the receptacle connector, viewed from above. -
FIG. 5 is an exploded perspective view of the receptacle connector, viewed from below. -
FIG. 6 is a plan view of the connector. -
FIG. 7 is a cross sectional view taken along the line VII-VII shown inFIG. 6 , viewed in the direction of the appended arrows. -
FIG. 8 is a cross sectional view taken along the line VIII-VIII shown inFIG. 6 , viewed in the direction of the appended arrows. -
FIG. 9 is a cross sectional view taken along the line IX-IX shown inFIG. 6 , viewed in the direction of the appended arrows. -
FIG. 10A is a cross sectional view of a side portion of a first modified embodiment, taken at the same position as the cross section shown inFIG. 7 andFIG. 10B is a cross sectional view of a side portion of a second modified embodiment, taken at the same position as the cross section shown inFIG. 7 . -
FIG. 11 is a perspective view of a shell of a third modified embodiment. - An embodiment according to the present invention will be hereinafter discussed with reference to the attached drawings. In the following descriptions, forward and rearward directions, leftward and rightward directions, and upward and downward directions are determined with reference to the directions of the arrows shown in the drawings.
- The present embodiment of the
connector 10 is provided with aplug connector 15 and areceptacle connector 35. - First the detailed structure of the plug connector 15 (second connector) will be hereinafter discussed with reference mainly to
FIGS. 1 and 2 . - The
plug connector 15 is provided with aplug insulator 16, a plurality of plug contacts 25 (second contacts) and twometal fittings 28, which constitute major elements of theplug connector 15. - The
plug insulator 16 is formed from electrically-insulative andheat-resistant synthetic resin and is shaped into a tabular member extending in the leftward and rightward directions. Theplug insulator 16 is provided with atop plate portion 17 which constitutes the top of theplug insulator 16 and a projectingfitting portion 18, having the shape of an annular wall, which projects downward from the entire outer edge of the lower surface of thetop plate portion 17. The space formed between thetop plate portion 17 and the projectingfitting portion 18 forms anengaging recess 19. A plurality ofcontact fixing grooves 21 are formed in each of the front and rear walls of the projectingfitting portion 18. Thecontact fixing grooves 21 are arranged in the leftward and rightward directions and each of which is formed into a substantially U-shaped in cross section, extending from one side (front/rear side) to the other side (rear/front side) of the wall (the front/rear wall of the projecting fitting portion 18) across the lower end of the wall (seeFIG. 7 ). In addition, left and right metal fitting member fixing recesses 22 are formed on the upper surfaces of the left and right ends of the projectingfitting portion 18 to be recessed downward, respectively (seeFIG. 9 ). - Each
plug contact 25 is made of sheet copper alloy (for example, phosphor bronze, beryllium copper, titanium copper or Corson copper) having spring elasticity, and is formed into the shape as shown in the drawings by stamp forming. The surface of eachplug contact 25 is coated with plating such as tin-plating or gold-plating. Eachplug contact 25 is provided with a contact portion 26 (second contact portion) and atail portion 27. Thecontact portion 26 constitutes the inner part of the substantially U-cross-sectional shaped body of theplug contact 25 and extends in the upward and downward directions, and thetail portion 27 extends substantially horizontally from the upper end of the outer part of the body of theplug contact 25. - The
plug contacts 25 are fixed to theplug insulator 16 by being fitted (press-fitted) into thecontact fixing grooves 21 from below, respectively (seeFIGS. 1, 2 ,7 , etc.). - Each plug-side metal fitting 28 is formed into the shape shown in the drawings by stamping a metal plate, and a pair of
tail portions 29 which are positioned substantially horizontally are formed on the upper end of each plug-side metal fitting 28. - Each plug-side metal fitting 28, in a fixed state, has been press-fitted into the associated metal fitting
member fixing recess 22 from above, and eachtail portion 29 projects upward from the upper surface of theplug insulator 16. - The
plug connector 15 that has the above described configuration is mounted to a mounting surface formed on one side of a circuit board 31 (rigid board/ second circuit board; seeFIGS. 1 and 7 through 9 ). Specifically, thetail portion 27 of eachplug contact 25 is soldered to a circuit pattern (not shown) formed on the mounting surface (lower surface) of thecircuit board 31, and the pair oftail portions 29 of each plug-side metal fitting 28 are soldered to a ground pattern (not shown) formed on the same mounting surface of the circuit board 31 (i.e., are connected using a so-called straight (ST) connection). In addition to theplug connector 15, electronic components (e.g., a module for high-performance, a semi-conductor, a large-capacity memory, etc.) are mounted onto the mounting surface of thecircuit board 31. - The detailed structure of the receptacle connector 35 (first connector) will be hereinafter discussed with reference to
FIGS. 1 through 6 . - The
receptacle connector 35 is provided with a receptacle insulator 36 (first insulator), a plurality of receptacle contacts 50 (first contacts) and two shells 55 (conductive members), which constitute major elements of thereceptacle connector 35. - The
receptacle insulator 36 is formed from electrically-insulative and heat-resistant synthetic resin by injection molding (specifically by insert molding as will be discussed later) and is shaped into a member extending in the leftward and rightward directions. Thereceptacle insulator 36 is provided with abottom plate portion 37 which constitutes the bottom part of thereceptacle insulator 36, an outerperipheral wall 38 which is formed as an annular wall protrudes upward from the entire peripheral edge of the upper surface of thebottomplate portion 37, and a projecting engagingportion 39 which projects upward from the upper surface of thebottom plate portion 37. The projectingengaging portion 39 that is spaced circumferentially inwards from the outerperipheral wall 38 extends linearly in the leftward and rightward directions. The space formed between the outerperipheral wall 38 and the projecting engagingportion 39 constitutes an annularfitting recess 40. - The outer
peripheral wall 38, except for the front, the rear and both the left and right ends thereof, includes afront wall 38a and arear wall 38b. As shown in the drawings, the front surface of thefront wall 38a is positioned one step behind the portions of the outerperipheral wall 38 that are positioned on both the left and right sides of thefront wall 38a, and the rear surface of therear wall 38b is positioned one step in front of the portions of the outerperipheral wall 38 that are positioned on both the left and right sides of therear wall 38b. A plurality of contact fixing grooves 42 (the number of which is identical to that of the plug contacts 25) are formed in each of the rear surface of thefront wall 38a and the front surface of therear wall 38b; the plurality ofcontact fixing grooves 42 are arranged in the leftward and rightward directions and are each formed extending in the upward and downward directions. In addition,deformation allowing grooves 43 which are continuous with thecontact fixing grooves 42 of thefront wall 38a are formed on the portions of thereceptacle insulator 36 which extend over the following two surfaces: the bottom surface of thebottom plate portion 37 that is positioned immediately in front of the projecting engagingportion 39, and the front surface of the projecting engagingportion 39. Likewise,deformation allowing grooves 43 which are continuous with thecontact fixing grooves 42 of therear wall 38b are formed on the portions of thereceptacle insulator 36 which extend over the following two surfaces: the bottom surface of thebottomplate portion 37 that is positioned immediately behind the projecting engagingportion 39, and the rear surface of the projecting engaging portion 39 (seeFIGS. 5 and7 ). - Each
receptacle contact 50 is made of the same material as eachplug contact 25 and is formed in a similar manner to eachplug contact 25. Eachreceptacle contact 50 is provided with a substantiallyhorizontal tail portion 51, a fixedportion 52 which extends upward from the inner end of thetail portion 51 and a resilient contact portion 53 (first contact portion), which is substantially S-shaped and is continuous with the upper end of the fixedportion 52. - Each
receptacle contact 50 is inserted into onecontact fixing groove 42 and the associateddeformation allowing groove 43 from below thereceptacle insulator 36, and the fixedportion 52 is press-fitted into (fixed to) thecontact fixing groove 42. Fixing the receptacle contacts 50 (the fixed portions 52) to the receptacle insulator 36 (the contact fixing grooves 42) causes theresilient contact portions 53 to be spaced from the inner surfaces of thedeformation allowing grooves 43, thus allowing theresilient contact portions 53 to be resiliently deformed inside the deformation allowing grooves 43 (seeFIG. 7 ). In addition, thetail portion 51 of eachreceptacle contact 50 is positioned below the lower surface of the bottom plate portion 37 (seeFIGS. 1 through 3 , etc.). - The shapes of the front and rear pair of
shells 55 are in forward-and-rearward symmetry to each other. Eachshell 55 is formed of a metal plate (conductive material) by press-forming and is provided with an outer circumferential-side shield portion 56 which extends in the leftward and rightward directions and has the same leftward/rightward length as thefront wall 38a and therear wall 38b. The outer circumferential-side shield portion 56 is provided at each of the left and right ends thereof with a fixedportion 57 which has a substantially L-shape in a plan view and is greater in width in the upward and downward directions than the outer circumferential-side shield portion 56. At the lower end of each fixedportion 57 is formed atail portion 58 which is provided at a position lower than the position of the lower surface of the outer circumferential-side shield portion 56. - The front and
rear shells 55, except thetail portions 58 of the fixedportions 57 and the outer peripheral surfaces of the outer circumferential-side shield portions 56, are embedded in thereceptacle insulator 36. Specifically, thereceptacle insulator 36 and eachshell 55 are integrated by molding thereceptacle insulator 36 with eachshell 55 by insert molding. On the other hand, the outer circumferential-side shield portion 56 of thefront shell 55 covers the front surface of thefront wall 38a while the outer circumferential-side shield portion 56 of therear shell 55 covers the rear surface of therear wall 38b (the outer circumferential-side shield portions 56 of the front andrear shells 55 are in contact with the front andrear walls - An upper shield portion 38a1 (conductive-member shield portion) (second shield portion) and a lower shield portion 38a2 (conductive-member shieldportion) (first shieldportion) which project forward are formed at the upper edge and the lower edge of the
front wall 38a across the length of thefront wall 38a, respectively, when thereceptacle insulator 36 is formed by insert molding (injection molding). Likewise, an upper shield portion 38b1 (conductive-member shield portion) (second shield portion) and a lower shield portion 38b2 (conductive-member shield portion)(first shield portion) which project rearward are formed at the upper edge and the lower edge of therear wall 38b across the length of therear wall 38b, respectively, when thereceptacle insulator 36 is formed by insert molding (injection molding). In addition, as shown inFIGS. 3 ,7 and 8 , the upper shield portion 38a1 and the lower shield portion 38a2 are positioned on (comes in contact with) the upper and lower surfaces of the outer circumferential-side shieldportion 56 of thefront shell 55, respectively, and the upper shield portion 38b1 and the lower shield portion 38b2 are positioned on (comes in contact with) the upper and lower surfaces of the outer circumferential-side shield portion 56 of therear shell 55, respectively. Additionally, the lower shield portion 38a2 is positioned immediately above thetail portions 51 of thefront receptacle contacts 50 and the lower shield portion 38b2 is positioned immediately above thetail portions 51 of therear receptacle contacts 50. - By soldering the
tail portion 51 of eachreceptacle contact 50 to a circuit pattern (not shown) formed on the mounting surf ace of a circuit board 60 (rigid board/ first circuit board), having the shape of a plate parallel (or substantially parallel) to thecircuit board 31, and by soldering thetail portions 58 to a ground pattern formed on the same mounting surface of thecircuit board 60, thereceptacle connector 35 that has the above described configuration is fixed (mounted) onto the circuit board 60 (seeFIGS. 7 through 9 ) (what is called a straight (ST) connection). In addition to thereceptacle connector 35, electronic components (e.g., a CPU, a controller, a memory, etc.) are mounted onto the mounting surface of thecircuit board 60. - The
plug connector 15 and thereceptacle connector 35 that have the above described configurations are mutually connected in a manner which will be discussed hereinafter. First, as shown inFIGS. 1 and 2 , theplug connector 15 and thereceptacle connector 35 are made to face each other in the upward and downward directions with the positions of theplug connector 15 and thereceptacle connector 35 aligned in the forward/rearward direction and the leftward and rightward directions. Subsequently, theplug connector 15 is brought down to fit the projectingfitting portion 18 into thefitting recess 40 and to fit the engagingrecess 19 onto the engaging protrusion 39 (seeFIGS. 7 through 9 ). Thereupon, thecontact portion 26 of eachplug contact 25 comes into contact with theresilient contact portion 53 of the associatedreceptacle contact 50 while resiliently deforming theresilient contact portion 53 of the associatedreceptacle contact 50; accordingly, electrical continuity is established between thecircuit boards plug contacts 25 and thereceptacle contacts 50. - In addition, the outer circumferential-
side shield portions 56 and the fixedportions 57 of the front andrear shells 55 are positioned on the outer circumferential side of eachplug contact 25 and eachreceptacle contact 50. Accordingly, the front andrear shells 55 can prevent external noise from entering eachplug contact 25 and eachreceptacle contact 50 and prevent noise from externally leaking from eachplug contact 25 and each receptacle contact 50 (theshells 55 exhibit its shielding capability). Therefore, this makes it possible to conduct high-speed communications of (large volume of) information between the aforementioned electronic components (e.g., a module for high-performance, a semi-conductor, a large-capacity memory, etc.) which are mounted on thecircuit board 31 and the aforementioned electronic components (e.g., a CPU, a controller, a memory, etc.) which are mounted on thecircuit board 60. - In addition, the upper surface of the outer circumferential-
side shield portion 56 is not exposed because the upper shield portions 38a1 and 38b1 are formed on thereceptacle insulator 36. Accordingly, when theplug connector 15 is fitted into thereceptacle connector 35, neither theplug contacts 25 nor the projectingfitting portion 18 comes into contact with the outer circumferential-side shield portion 56, so that there is no possibility of either theplug contacts 25 or the projectingfitting portion 18 being scratched or caught by the outer circumferential-side shield portion 56. Accordingly, theshells 55 exhibit its shielding capability within theconnector 10, while theplug connector 15 and thereceptacle connector 35 can be smoothly fitted to and engaged with each other. - Additionally, since the present embodiment of the connector 10 (the
plug connector 15 and the receptacle connector 35) has a low-profile structure, upon theplug connector 15 and thereceptacle connector 35 being mutually connected, the distance (distance in the upward and downward directions) between the mutually facing surfaces of thecircuit boards side shield portion 56 of eachshell 55 to the lower surface of thecircuit board 31 is small, and also both the distance from the outer circumferential-side shield portion 56 of eachshell 55 to the upper surface of thecircuit board 60 and the distance from the outer circumferential-side shield portion 56 of eachshell 55 to thetail portion 51 of eachreceptacle contact 50 are small. Specifically, when the distance between the mutually facing surfaces of thecircuit boards 31 and 60 (the height of theconnector 10 in an engaged state) is 0.6 mm and the thickness (upward and downward dimensions) of the outer circumferential-side shieldportions 56 is 0.28 mm, the distance from the outer circumferential-side shield portion 56 of eachshell 55 to the lower surface of thecircuit board 31 is set at 0.16 mm, the distance from the outer circumferential-side shield portion 56 of eachshell 55 to the upper surface of thecircuit board 60 is set at 0.16 mm, the distance between the outer circumferential-side shield portion 56 of eachshell 55 and thetail portions 51 of the associated (front or rear)receptacle contacts 50 is set at 0.1 mm, and the thickness of the lower shield portion 38a2 and the thickness of the lower shield portion 38b2 is set at 0.05 mm. - Whereas, the
receptacle insulator 36 is provided with the upper shield portion 38a1 and the upper shield portion 38b1, which are positioned between thecircuit board 31 and the outer circumferential-side shield portions 56, and the lower shield portion 38a2 and the lower shield portion 38b2, which are positioned between the outer circumferential-side shield portions 56 and thecircuit board 60 together with thetail portions 51. Therefore, there is substantially no possibility of (electrical) short-circuiting occurring between thecircuit board 31 and the outer circumferential-side shield portions 56, or between the circuit board 60 (the circuit pattern thereof) and the outer circumferential-side shield portions 56, and between the outer circumferential-side shield portions 56 and thetail portions 51 of thereceptacle contacts 50 via the aforementioned solder applied to thetail portions 51 and/or minute foreign particles adhered to the mounting surfaces of thecircuit boards tail portions 51. - When the
plug connector 15 and thereceptacle connector 35 are mutually connected, sometimes a technician may intentionally make static electricity which has flowed to theplug connector 15 from his/her hands, etc., flow to the aforementioned ground pattern of thecircuit board 60 from the outer circumferential-side shield portions 56 by bringing the plug-side metal fittings 28 of theplug connector 15 into contact with the outer circumferential-side shield portions 56. In the present embodiment, the distance from the outer circumferential-side shield portions 56 of theshells 55 to thetail portions 51 of thereceptacle contacts 50 is small, as described above. However, since thereceptacle insulator 36 is provied with the lower shield portions 38a2 and 38b2 that are positioned between thetail portions 51 and the outer circumferential-side shield portions 56, respectively, the possibility of static electricity that has flowed to the outer circumferential-side shield portions 56 from theplug connector 15 being discharged to thetail portions 51 from the outer circumferential-side shield portions 56 is small. - Therefore, the possibility of electronic components, etc., which are connected to the circuit board 60 (and the circuit board 31), being damaged by electrostatic discharge, when static electricity that has traveled to the outer circumferential-
side shield portions 56 is discharged to the receptacle contacts 50 (and the aforementioned circuit pattern of the circuit board 60), is small. - Although the present invention has been described based on each of the above illustrated embodiments, the present invention is not limited solely to these particular embodiments; various modifications to the above illustrated embodiments are possible.
- For instance, it is possible to omit the upper shield portions 38a1 and 38b1 from the
receptacle insulator 36 as shown in the first modified embodiment shown inFIG 10A , and it is possible to omit the lower shield portions 38a2 and 38b2 from thereceptacle insulator 36 as shown in the second modified embodiment shown inFIG 10B . - In addition, as shown in the third modified embodiment shown in
FIG. 11 , each shell 55' can be formed as two members: split-shells shell 55 can be formed of a plurality of members which are separated in the upward and downward directions. - Furthermore, one of the front and rear shells 55 (55') can be omitted.
- Furthermore, the outer circumferential-
side shield portions 56 can be embedded in thereceptacle insulator 36. - In addition, it is possible to provide the plug insulator 16 (first insulator) of the plug connector 15 (first connector) with shells (conductive members) and to not provide the receptacle insulator 36 (second insulator) of the receptacle connector 35 (second connector) with shells (conductive members) (in this modified embodiment, the
circuit board 31, thecircuit board 60, each upper shield portion 38a1 and each lower shieldportion 38a2 correspond to the "first circuit board", the "second circuit board", the "first shield portion" and the "second shield portion", respectively). In this case, it is desirable to provide theplug insulator 16 with an outer peripheral wall which is positioned on the outer circumferential side of the projectingfitting portion 18, to make the width of this outer peripheral wall (between the front and rear surfaces thereof) in the forward and rearward directions greater than the width of thereceptacle insulator 36, to fit the outer peripheral wall 38 (which corresponds to the projecting fitting portion mentioned in the claims) of thereceptacle insulator 36 into the fitting recess formed on theplug insulator 16 between the projectingfitting portion 18 and the aforementioned outer peripheral wall, and to position the shells provided on theplug insulator 16 on the outer circumferential side of the plug contacts 25 (first contacts) and the receptacle contacts 50 (second contacts). In other words, it is essential to have theplug contacts 25 and thereceptacle contacts 50 surrounded by the shells (to position theplug contacts 25 and thereceptacle contacts 50 on the inside of the shells) in an engaged state between theplug connector 15 and the receptacle connector 35 (in which thecontact portions 26 that are provided as the first contact portions are in contact with theresilient contact portions 53 that are provided as the second contact portions) . - Additionally, the base material of each shell can be made of resin, and the surface of this base material (resin) can be plated or coated with a conductive material.
- Additionally, one of the
plug connector 15 and thereceptacle connector 35 can be connected, using a right angle (RA) connection, to the associated circuit board. In this case, the shells are positioned on the outer circumferential side of the other of theplug connector 15 and the receptacle connector 35 (which is connected, using a straight (ST) connection, to the associated circuit board), while these shells and the circuit board on the said other connector side are brought close to each other in the board thickness direction of the said other circuit board. - Additionally, the first circuit board and the second circuit board that are not rigid boards (e.g., made as FPCs (flexible printed circuit boards) can be connected to the
plug connector 15 and thereceptacle connector 35. - The connector according to the present invention can effectively reduce the possibility of short-circuiting and electrical discharge occurring between the conductive member and the circuit board and/or between the conductive member and the contacts upon the first connector and the second connector being mutually connected, even when the entire connector is made low in profile.
-
- 10 Connector
- 15 Plug connector (First connector)(Second connector)
- 16 Plug insulator (First insulator)(Second insulator)
- 17 Top plate portion
- 18 Projecting fitting portion
- 19 Engaging recess
- 21 Contact fixing groove
- 22 Metal fitting member fixing recess
- 25 Plug contact (First contact)(Second contact)
- 26 Contact portion (First contact portion)(Second contact portion)
- 27 Tail portion
- 28 Metal fitting
- 29 Tail portion
- 31 Circuit board (Second circuit board)(First circuit board)
- 35 Receptacle connector (First connector)(Second connector)
- 36 Receptacle insulator (First insulator)(Second insulator)
- 37 Bottom plate portion
- 38 Outer peripheral wall
- 38a Front wall
- 38a1 Upper shield portion (Conductive-member shield portion)(First shield portion)(Second shield portion)
- 38a2 Lower shield portion (Conductive-member shield portion)(First shield portion)(Second shield portion)
- 38b Rear wall
- 38b1 Upper shield portion (Conductive-member shield portion)(First shield portion)(Second shield portion)
- 38b2 Lower shield portion (Conductive-member shield portion)(First shield portion)(Second shield portion)
- 39 Projecting engaging portion
- 40 Fitting recess
- 42 Contact fixing groove
- 43 Deformation allowing groove
- 50 Receptacle contact (First contact)(Second contact)
- 51 Tail portion
- 52 Fixed portion
- 53 Resilient contact portion (First contact portion)(Second contact portion)
- 55 55' Shell (Conductive member)
-
55A 55B Split-shell - 56 Outer circumferential-side shield portion
- 57 Fixed portion
- 58 Tail portion
- 60 Circuit board (First circuit board) (Second circuit board)
Claims (3)
- A connector comprising:a first connector including a first insulator which has an annular outer peripheral wall and a fitting recess formed inside said outer peripheral wall, a plurality of first contacts which are supported by said first insulator and each have a first contact portion that is positioned in said fitting recess and a tail portion that is mountable to a circuit pattern of said first circuit board, and a conductive member supported by said first insulator; anda second connector including a second insulator which has an annular pro jecting fitting port ion capable of being fitted into said fitting recess, and a plurality of second contacts which are supported by said second insulator, are mountable to a circuit pattern of said second circuit board and each have a second contact portion which comes in contact with said first contact portion when said projecting fitting portion is fitted into said fitting recess,wherein said conductive member is positioned between said first circuit board and said second circuit board when said first contacts and said second contacts are mounted to said circuit pattern of said first circuit board and said circuit pattern of said second circuit board, respectively, and
wherein said outer peripheral wall includes a conductive-member shield portion which is positioned between said conductive member and said first circuit board together with said tail portion and/or between said second circuit board and said conductive member. - The connector according to claim 1, wherein said conductive-member shield portion comprises:a first shield portion positioned between said conductive member and said first circuit board together with said tail portion; anda second shield portion positioned between said second circuit board and said conductive member.
- The connector according to claim 1 or 2, wherein said conductive member comprises an outer peripheral-side shield member which covers an outer peripheral surface of said outer peripheral wall.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013201222 | 2013-09-27 | ||
PCT/JP2014/070462 WO2015045623A1 (en) | 2013-09-27 | 2014-08-04 | Connector |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3051634A1 true EP3051634A1 (en) | 2016-08-03 |
EP3051634A4 EP3051634A4 (en) | 2016-10-19 |
EP3051634B1 EP3051634B1 (en) | 2020-01-15 |
Family
ID=52742779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14847537.9A Active EP3051634B1 (en) | 2013-09-27 | 2014-08-04 | Connector |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3051634B1 (en) |
JP (1) | JP6401705B2 (en) |
WO (1) | WO2015045623A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114041246B (en) | 2019-07-04 | 2024-05-07 | 爱沛股份有限公司 | Connector device |
WO2021117539A1 (en) | 2019-12-09 | 2021-06-17 | I-Pex株式会社 | Electrical connector pair |
JP7405152B2 (en) | 2019-12-28 | 2023-12-26 | I-Pex株式会社 | Connectors and connector units |
US20220368045A1 (en) * | 2021-05-17 | 2022-11-17 | Japan Aviation Electronics Industry, Limited | Connector, and connector assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4289606B2 (en) * | 2003-08-22 | 2009-07-01 | 日本航空電子工業株式会社 | connector |
JP2006059589A (en) * | 2004-08-18 | 2006-03-02 | Hirose Electric Co Ltd | Electric connector with shield |
JP4758104B2 (en) * | 2005-01-21 | 2011-08-24 | 日本圧着端子製造株式会社 | Connector assembly |
JP2007258001A (en) * | 2006-03-23 | 2007-10-04 | Hirose Electric Co Ltd | Electrical connector with flexible board |
JP2008108560A (en) * | 2006-10-25 | 2008-05-08 | Iriso Denshi Kogyo Kk | Connector |
US7494378B1 (en) * | 2008-03-06 | 2009-02-24 | Cheng Uei Precision Industry Co., Ltd. | Board-to-board connector assembly |
JP5748334B2 (en) * | 2011-05-31 | 2015-07-15 | 日本航空電子工業株式会社 | Connectors and connector units |
JP2013140755A (en) | 2012-01-06 | 2013-07-18 | Jst Mfg Co Ltd | Receptacle connector and shield connector |
-
2014
- 2014-08-04 EP EP14847537.9A patent/EP3051634B1/en active Active
- 2014-08-04 WO PCT/JP2014/070462 patent/WO2015045623A1/en active Application Filing
- 2014-08-04 JP JP2015539000A patent/JP6401705B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP3051634B1 (en) | 2020-01-15 |
JP6401705B2 (en) | 2018-10-10 |
JPWO2015045623A1 (en) | 2017-03-09 |
WO2015045623A1 (en) | 2015-04-02 |
EP3051634A4 (en) | 2016-10-19 |
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