US20200403330A1 - Plug connector having protective member for replacing gold finger on circuit board - Google Patents
Plug connector having protective member for replacing gold finger on circuit board Download PDFInfo
- Publication number
- US20200403330A1 US20200403330A1 US16/727,939 US201916727939A US2020403330A1 US 20200403330 A1 US20200403330 A1 US 20200403330A1 US 201916727939 A US201916727939 A US 201916727939A US 2020403330 A1 US2020403330 A1 US 2020403330A1
- Authority
- US
- United States
- Prior art keywords
- pair
- circuit board
- plug connector
- solder
- protective member
- 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
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 54
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000010931 gold Substances 0.000 title claims abstract description 22
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 22
- 229910000679 solder Inorganic materials 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
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
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
-
- 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
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/62—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- 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
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- 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
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
-
- 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
- H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
- H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3405—Edge mounted components, e.g. terminals
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10356—Cables
Definitions
- the present disclosure relates to a plug connector having a protective member for replacing a gold finger on a circuit board, and more particularly to a plug connector that can be plugged into a socket connector.
- the plug connector includes a circuit board, and the circuit board is provided with a gold finger as a conductor for electrical connection to the socket connector.
- the plug connector also includes a protective member for protecting the circuit board, and the protective member can replace the gold finger of the circuit board and is in electrical contact with a terminal of the socket connector.
- Electrical connectors have been commonly used to transmit signals or power. With the miniaturization of electrical connectors and the development of high-speed transmission capabilities, a standard specification association was founded in the industry to gather opinions, so that a connector with standardized specification can be developed, e.g., a slim serial attached SCSI plug connector.
- a conductor used for transmission has been designed to be disposed on a circuit board, i.e., a gold finger.
- the present disclosure provides a plug connector having a mechanism for protecting a circuit board, so as to avoid damaging a circuit board substrate and a gold finger thereon by a metal shell of a socket.
- the present disclosure provides a plug connector, in which the mechanism for protecting the circuit board can replace a gold finger of a circuit board and to be in electrical contact with a terminal of the socket, so as to reduce a size of the circuit board such that a size of an interface plug can be maintained in conformity to standard specifications.
- the present disclosure provides a plug connector having a protective member replacing a gold finger of a circuit board.
- the plug connector includes an insulation base, a cable terminal block, a circuit board, a grip, and the protective member.
- the insulation base includes a top wall, a bottom wall, and a pair of side walls that jointly surround to form an accommodating space in an interior thereof along an insertion direction of the plug connector.
- the cable terminal block includes at least one cable, and each of the at least one cable includes a plurality of conductors.
- the circuit board includes a contact section and a solder section, in which the solder section is connected with the contact section, the width of the solder section is greater than the width of the contact section, and a pair of stopping and grounding parts are respectively formed on both sides of the solder section adjacent to the contact section.
- the circuit board also includes a plurality of conductive pads located on at least one surface of the contact section and a plurality of solder pads located on at least one surface of the solder section.
- a ground pad is disposed on at least one surface of each of the stopping and grounding parts, in which the contact section protrudes from a front edge of the insulation base and exposes the conductive pads.
- the conductors of the at least one cable are separately soldered to the plurality of solder pads.
- the protective member is clipped to the contact section of the circuit board, and includes a transverse arm and a pair of longitudinal arms.
- the pair of longitudinal arms is connected to both ends of the transverse arm, and each end of the pair of longitudinal arms are separately soldered to the solder pads of the pair stopping and grounding part.
- the present disclosure provides the plug connector having the protective member replacing the gold finger of the circuit board, in which the number of the conductive pads is less than the number of the solder pads, and the ground pad is aligned with two outermost solder pads among the plurality of solder pads.
- the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which a plurality of connection structures are respectively formed at each end of the longitudinal arms, and the connection structures are separately soldered to the ground pads on a top and a bottom surface of the pair of stopping and grounding parts.
- the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which each of the connection structures includes a widened part and a pair of solder parts.
- the widened part is connected to the end of the longitudinal arm, and the pair of solder parts respectively extend from two sides of the widened part in a direction parallel to the longitudinal arm.
- the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which the protective member further includes a pair of positioning side panels.
- Each of the positioning side panel respectively extends from an outer side of the longitudinal arm of the protective member, in which one gap is formed between one of the pair of positioning side panels and one of the pair of longitudinal arms, and one another gap is formed between another one of the pair of positioning side panels and another one of the pair of longitudinal arms.
- the plug connector having the protective member replacing the gold finger of the circuit board of the present disclosure includes the protective member located on a front and two sides of the circuit board, so that the protective member can not only protect the circuit board, but also provide a grounding effect by connecting to the ground line of the circuit board.
- the mechanism for protecting the circuit board can replace the gold finger of the circuit board and be in electrical contact with the terminal of the socket so as to reduce the size of the circuit board, such that the size of the interface plug can be maintained in conformity to the standard specifications.
- FIG. 1 is an exploded view of a plug connector according to a first embodiment of the present disclosure.
- FIG. 2 is another exploded view of the plug connector according to the first embodiment of the present disclosure.
- FIG. 3 is a bottom exploded view of the plug connector according to the first embodiment of the present disclosure.
- FIG. 4 is a perspective view of the plug connector and a socket according to the first embodiment of the present disclosure.
- FIG. 5 is a sectional view taken along line V-V of FIG. 4 .
- FIG. 6 is a sectional view taken along line VI-VI of FIG. 4 .
- FIG. 7 is a sectional view of the plug connector and the socket according to the first embodiment of the present disclosure.
- FIG. 8 is an exploded view of a plug connector according to a second embodiment of the present disclosure.
- FIG. 9 is a perspective view of the plug connector and a socket according to the second embodiment of the present disclosure.
- FIG. 10 is a top view of the plug connector and the socket according to the second embodiment of the present disclosure.
- FIG. 11 is an exploded view of a plug connector according to a third embodiment of the present disclosure.
- FIG. 12 is another exploded view of the plug connector according to the third embodiment of the present disclosure.
- FIG. 13 is a perspective view of the plug connector and a socket according to the third embodiment of the present disclosure.
- Numbering terms such as “first”, “second” or “third” can be used to describe various components, signals or the like, which are for distinguishing one component/signal from another one only, and are not intended to, nor should be construed to impose any substantive limitations on the components, signals or the like.
- a first embodiment of the present disclosure provides a plug connector 100 having a protective member replacing a gold finger of a circuit board.
- the plug connector 100 can be inserted into a socket connector 9 along an insertion direction of the plug connector (exemplified in FIG. 4 ).
- the plug connector 100 includes an insulation base 10 , a cable terminal block ( 20 , 20 ), a circuit board 30 , a protective member 50 , and a grip 60 .
- the insulation base 10 includes a top wall 12 a , a bottom wall 12 b , and a pair of side walls 14 that jointly surround to form an accommodating space in an interior thereof along the insertion direction of the plug connector.
- the cable terminal block includes two cables 20 corresponding to each other; however, the present disclosure is not limited thereto, and the number of the cable 20 can be one or more.
- Each cable 20 includes a plurality of conductors 22 , and the conductors 22 are separately soldered to a rear end of the circuit board 30 .
- the two cables 20 have the same amount of the conductors 22 , but the present disclosure is not limited thereto.
- the cable terminal block is held in the accommodating space of the insulation base 10 , and a front end of the circuit board 30 is exposed from a front end of the insulation base 10 .
- the circuit board 30 includes a contact section 31 and a solder section 32 .
- the solder section 32 is connected with the contact section 31 , in which the contact section 31 is close to the front end of the circuit board 30 , and the solder section 32 is close to the rear end of the circuit board 30 .
- the width of the solder section 32 is greater than the width of the contact section 31 , and a pair of stopping and grounding parts 32 a , 32 b are formed on both sides of the solder section 32 adjacent to the contact section 31 .
- the pair of stopping and grounding parts 32 a , 32 b are respectively inclined and stepped, and the stopping and grounding parts 32 a , 32 b abut against the inner side of the pair of side walls 34 of the insulation base 10 , respectively.
- Different shapes of the two stopping and grounding parts 32 a , 32 b can be used to identify the direction of the circuit board 30 , but the present disclosure is not limited thereto.
- the circuit board 30 includes a plurality of conductive pads 311 , 312 (i.e., gold finger) located on a top and a bottom surface of the contact section 31 , and a plurality of solder pads 331 , 339 located on a top and a bottom surface of the solder section 33 .
- the plurality of conductive pads 311 , 312 can be disposed on only one of the top and the bottom surfaces of the contact section 31
- the plurality of solder pads 331 , 339 can be disposed on only one of the top and the bottom surfaces of the solder section 33 .
- the length of the conductive pad 311 is greater than the length of the conductive pad 32 .
- the long conductive pad 311 is mainly used for grounding, and the short conductive pad 312 is used for signal transmission.
- a ground pad 321 is disposed on each of a top and a bottom surface of the pair of stopping and grounding parts 32 a , 32 b , however, the present disclosure is not limited thereto.
- the ground pad 321 can be disposed on only one of the top and the bottom surfaces of the pair of stopping and grounding parts 32 a , 32 b , in which, the contact section 31 protrudes from a front edge of the insulating base 10 and exposes the plurality of conductive pads 311 , 312 .
- the plurality of conductors 22 of the two cables 20 can be respectively soldered to the plurality of solder pads 331 , 339 .
- the number of the conductive pads 311 , 312 is less than the number of the solder pads 331 , 339 , and the ground pad 321 is aligned with two outermost solder pads 339 and protrudes from both sides of the contact section 31 .
- the ground pads 321 of the stopping and grounding parts 32 a , 32 b on both sides of the same surface replace two conductive pads, that is, the number of conductive pads 311 , 312 on the same surface is less than that of the solder pads 331 , 339 by an amount of two.
- the plug connector further includes a pair of fixing pins 18 , and the pair of fixing pins 18 respectively penetrate the top wall 12 a and the bottom wall 12 b of the insulation base 10 and a fixing hole 310 on the circuit board 30 so as to fix the circuit board 30 to the insulation base 10 .
- the number of fixing pins 18 can be one or more.
- the protective member 50 is clipped to the contact section 31 of the circuit board 30 , and the protective member 50 includes a transverse arm 51 and a pair of longitudinal arms 52 .
- the pair of longitudinal arms 52 are connected to two ends of the transverse arm 51 and are substantially U-shaped.
- the transverse arm 51 abuts against a front edge of the circuit board 30
- the pair of longitudinal arms 52 respectively abut against two side edges of the contact section 31 .
- each end of the pair of longitudinal arms 52 is respectively soldered to the ground pad 321 of the pair of stopping and grounding parts 32 a , 32 b so that the protective member 50 is grounded.
- the grip 60 is fixed to the top wall 12 a of the insulation base 10 , and the grip 60 has an operation part 63 extending upward.
- the thickness of the protective member 50 is approximately equal to the thickness of the circuit board 30 , so as to avoid scratching the circuit board 30 when the plug connector 100 is inserting into the socket connector 9 .
- a groove 510 is formed on an inner side surface of the transverse arm 51 of the protective member 50 in the present embodiment, and a front end surface of the contact section 31 of the circuit board 30 forms a corresponding bevel.
- the groove 510 abuts the front end surface of the contact section 31 so as to help holding the transverse arm 51 at the front end of the contact section 31 , and prevent the transverse arm 51 from being upwardly or downwardly displaced.
- each connection structure 53 corresponds to one stopping and grounding part ( 32 a or 32 b ), and is soldered to two ground pads 321 on the top and the bottom surface of the circuit board 30 .
- each connection structure 53 has a widened part 531 and a pair of solder parts 542 , the widened part 531 is connected to the end of the longitudinal arm 52 , and the pair of solder parts 542 respectively extend from two sides of the widened part 531 in a direction parallel to the longitudinal arm 52 and are substantially fork-shaped.
- the pair of solder parts 542 are respectively soldered to two ground pads 321 on the top and bottom surfaces of the circuit board 30 so as to fix the protective member 50 to the circuit board 30 , and prevent the protective member 50 from being forwardly or backwardly displaced.
- the grip 60 is fixed on the top wall 12 a of the insulation base 10 , and the grip 60 has an upper panel 61 , a lower panel 62 , and the operation part 63 extending upward from the upper panel 61 .
- a front end of the upper panel 61 is bent to connect with the lower panel 62 .
- the grip can be formed by stamping a metal panel.
- the lower panel 62 of the grip 60 is fixed on the top wall 12 a of the insulation base 10 .
- a mounting structure 16 is formed on the top wall 12 a of the insulation base 10 in the present embodiment.
- the mounting structure 16 includes a pair of limiting walls 161 and a front fixing block 162 . Both sides of the upper panel 61 of the grip 60 are fixed to the pair of limiting walls 161 , and the front ends of the upper plate 61 and the lower plate 62 are recessed and stopped at the front fixing block 162 .
- FIG. 4 is a perspective view of the plug connector 100 and the socket connector 9 according to the present embodiment
- FIG. 5 is a sectional view taken along line V-V of FIG. 4
- FIG. 6 is a sectional view taken along line VI-VI of FIG. 4 .
- the circuit board 30 is inserted into the accommodating space of the insulation base 10 from a rear side of the insulation base 10 along with the cable terminal block.
- a stop block 143 , 145 is formed on each inner side of the pair of side walls 14 of the insulation base 10 , and the pair of stopping and grounding parts 32 a , 32 b of the circuit board 30 are stopped by the stop blocks 143 , 145 , respectively.
- the pair of fixing pins 18 penetrate the insulation base 10 and the circuit board 30 so as to firmly fix the circuit board 30 in the insulation base 10 and prevent the circuit board 30 from being displaced.
- a packaging member 19 e.g., a resin
- the protective member 50 is located at the front end and both sides of the circuit board 30 .
- the protective member 50 can protect the conductive pads 311 , 312 of the circuit board 30 from being damaged by scratching during an insertion process.
- the protective member 50 is connected to a ground line of the circuit board 30 (exemplified as the ground pad 321 in FIG. 1 and FIG. 2 ), and the longitudinal arms 52 on both sides of the protective member 50 can provide a grounding effect.
- a guiding bevel is formed at a front end of the transverse arm 51 so as to help the transverse arm 51 to be smoothly inserted into the socket connector 9 .
- the width of the longitudinal arm 52 is approximately equal to the width of the long conductive pad 311 plus an interval distance between two adjacent conductive pads 311 .
- An interval distance between the longitudinal arm 52 and an outermost short conductive pad 312 is approximately equal to the interval distance between two adjacent conductive pads 311 .
- a front end of the long conductive pad 311 can be in contact with the transverse arm 51 of the protective member 50 .
- the socket connector 9 includes a housing 91 and two rows of terminals 92 .
- a positioning recess 9140 is formed on each of two side panels 914 of the housing 91 .
- a positioning engagement part 142 is formed at each front end of the pair of side walls 34 of the insulation base 10 and is substantially L-shaped.
- a retaining groove 140 is formed between the positioning engagement part 142 and the top wall 14 a .
- the circuit board 30 is not provided with the conductive pad (gold finger); instead, the conductive pad (gold finger) of the circuit board 30 is replaced by the protective member 50 (i.e., the longitudinal arm 52 of the protective member 50 ).
- the terminal 92 of the socket connector 9 is in contact with the protective member 50 first, so that the protective member 50 can protect the front end of the circuit board 30 .
- the terminal 92 (exemplified as the outermost terminal in FIG.
- the socket connector 9 is in electrical contact with the longitudinal arm 52 of the protective member 50 , and the (outermost) terminal 92 of the socket connector 9 is connected to the ground line of the circuit board 30 through the connection structure 53 of the ground line.
- the terminal 92 of the socket connector 9 is in electrical contact with the ground line of the circuit board 30 through the protective member 50 .
- a second embodiment of the present disclosure provides a plug connector 100 a .
- the main difference between the present embodiment and the first embodiment resides in the protection member 50 a , in which the protection member 50 a further includes a pair of positioning side panels 54 , and each of the positioning side panels 54 is formed by extending an outer side of the longitudinal arm 52 of the protection member 50 a .
- each of the positioning side panels 54 is respectively connected to the outer side of the widened part 531 at the end of the longitudinal arm 52 .
- two gaps G are separately formed between the positioning side panel 54 and the longitudinal arm 52 to correspond to the side panels 914 of the socket connector 9 .
- each of the positioning side panel 54 includes a transverse connection part 541 and a side positioning part 542 .
- the transverse connection part 541 is formed by extending the longitudinal arm 52 outward, and the side positioning part 542 is formed by extending in the insertion direction.
- the transverse connection part 541 extends vertically outward from the widened part 531 , and the side positioning part 542 is perpendicular to the transverse connection part 541 and parallel to the side wall 14 of the insulation base 10 .
- a mating slot 146 is formed on the inner side of each of the side walls 34 of the insulation base 10 , and the transverse connection part 541 of the positioning side panel 54 is received in the mating slot 146 .
- a position of the side positioning part 542 corresponds to a front end surface of the side wall 14 of the insulation base 10 .
- the thickness of the side positioning part 542 is less than or equal to the thickness of the side wall 14 of the insulation base 10 .
- two stopping and grounding parts 32 c of the circuit board 30 in the present embodiment are in the same shape.
- an auxiliary top positioning wall 147 is extended inward from a top edge of the side wall 14 of the insulation base 10 in a direction parallel to the top wall 12 a .
- An advantage of the present embodiment is that, in addition to the beneficial effects of the two aspects described in the first embodiment, the protective member 50 a can provide a more stable connection between the plug connector 100 a and the socket connector 9 , so that shaking between the plug connector 100 a and the socket connector 9 can be avoided.
- a third embodiment of the present disclosure provides a plug connector 100 b .
- the main difference between the present embodiment and the second embodiment resides in the protection member 50 b .
- each positioning side panel 54 of the protective member 50 a includes a top positioning part 543 in addition to the transverse connection part 541 and the side positioning part 542 .
- the top positioning part 543 is perpendicular to the side positioning part 542 and extends inward from a top end of the side positioning part 542 in a direction parallel to the circuit board 30 .
- the insulation base 10 of the present embodiment is similar to the one of the second embodiment; each front end surface of the sidewalls 14 of the insulation base 10 is recessed to form the mating slot 146 .
- the transverse connection part 541 is engaged in the mating slot 146 .
- the position of the side positioning part 542 corresponds to the front end surface of the side wall 14 of the insulation base 10 .
- the thickness of the side positioning part 542 is approximately equal to the thickness of the side wall 14 of the insulation base 10 .
- a position of the top positioning part 543 corresponds to the auxiliary top positioning wall 147 of the insulation base 10 , and the thickness of the top positioning part 543 is approximately equal to the thickness of the auxiliary top positioning wall 147 of the insulation base 10 .
- the top positioning part 543 cooperates with the auxiliary top positioning wall 147 to abut against the housing 91 of the socket connector 9 to further improve the positioning effect in the horizontal direction.
- the plug connector provided in the present disclosure includes the protective member located on the front and two sides of the circuit board.
- the protective member not only can protect the circuit board but can also provide the grounding effect by connecting to the ground line of the circuit board.
- the protective member for protecting the circuit board can replace the gold finger of the circuit board and to be in electrical contact with the terminal of the socket, thereby reducing the area of the circuit board such that the size of an interface plug can be maintained in conformity to standard specifications.
- the protective member can further include the positioning side panels to further improve the positioning effects between the plug connector and the socket connector in the vertical and the horizontal directions.
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Abstract
Description
- This application claims the benefit of priority to Taiwan Patent Application No. 108207744, filed on Jun. 18, 2019. The entire content of the above identified application is incorporated herein by reference.
- Some references, which may include patents, patent applications and various publications, may be cited and discussed in the description of this disclosure. The citation and/or discussion of such references is provided merely to clarify the description of the present disclosure and is not an admission that any such reference is “prior art” to the disclosure described herein. All references cited and discussed in this specification are incorporated herein by reference in their entireties and to the same extent as if each reference was individually incorporated by reference.
- The present disclosure relates to a plug connector having a protective member for replacing a gold finger on a circuit board, and more particularly to a plug connector that can be plugged into a socket connector. The plug connector includes a circuit board, and the circuit board is provided with a gold finger as a conductor for electrical connection to the socket connector. The plug connector also includes a protective member for protecting the circuit board, and the protective member can replace the gold finger of the circuit board and is in electrical contact with a terminal of the socket connector.
- Electrical connectors have been commonly used to transmit signals or power. With the miniaturization of electrical connectors and the development of high-speed transmission capabilities, a standard specification association was founded in the industry to gather opinions, so that a connector with standardized specification can be developed, e.g., a slim serial attached SCSI plug connector. A conductor used for transmission has been designed to be disposed on a circuit board, i.e., a gold finger.
- However, when the plug connector is to be plugged into a socket with a metal shell, if a plug-connection performed by a user is inaccurate, a circuit board substrate can be easily cut and damaged by the metal shell, and the gold finger on the circuit board can be damaged from scratching.
- In response to the above-referenced technical inadequacies, the present disclosure provides a plug connector having a mechanism for protecting a circuit board, so as to avoid damaging a circuit board substrate and a gold finger thereon by a metal shell of a socket.
- In response to the above-referenced technical inadequacies, the present disclosure provides a plug connector, in which the mechanism for protecting the circuit board can replace a gold finger of a circuit board and to be in electrical contact with a terminal of the socket, so as to reduce a size of the circuit board such that a size of an interface plug can be maintained in conformity to standard specifications.
- In one aspect, the present disclosure provides a plug connector having a protective member replacing a gold finger of a circuit board. The plug connector includes an insulation base, a cable terminal block, a circuit board, a grip, and the protective member. The insulation base includes a top wall, a bottom wall, and a pair of side walls that jointly surround to form an accommodating space in an interior thereof along an insertion direction of the plug connector. The cable terminal block includes at least one cable, and each of the at least one cable includes a plurality of conductors. The circuit board includes a contact section and a solder section, in which the solder section is connected with the contact section, the width of the solder section is greater than the width of the contact section, and a pair of stopping and grounding parts are respectively formed on both sides of the solder section adjacent to the contact section. The circuit board also includes a plurality of conductive pads located on at least one surface of the contact section and a plurality of solder pads located on at least one surface of the solder section. A ground pad is disposed on at least one surface of each of the stopping and grounding parts, in which the contact section protrudes from a front edge of the insulation base and exposes the conductive pads. The conductors of the at least one cable are separately soldered to the plurality of solder pads. The location of the ground pads protruding from two sides of the contact section. The grip is fixed to the insulation base. The protective member is clipped to the contact section of the circuit board, and includes a transverse arm and a pair of longitudinal arms. The pair of longitudinal arms is connected to both ends of the transverse arm, and each end of the pair of longitudinal arms are separately soldered to the solder pads of the pair stopping and grounding part.
- In certain embodiments, the present disclosure provides the plug connector having the protective member replacing the gold finger of the circuit board, in which the number of the conductive pads is less than the number of the solder pads, and the ground pad is aligned with two outermost solder pads among the plurality of solder pads.
- In certain embodiments, the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which a plurality of connection structures are respectively formed at each end of the longitudinal arms, and the connection structures are separately soldered to the ground pads on a top and a bottom surface of the pair of stopping and grounding parts.
- In certain embodiments, the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which each of the connection structures includes a widened part and a pair of solder parts. The widened part is connected to the end of the longitudinal arm, and the pair of solder parts respectively extend from two sides of the widened part in a direction parallel to the longitudinal arm.
- In certain embodiments, the present disclosure provides the plug connector including the protective member replacing the gold finger of the circuit board, in which the protective member further includes a pair of positioning side panels. Each of the positioning side panel respectively extends from an outer side of the longitudinal arm of the protective member, in which one gap is formed between one of the pair of positioning side panels and one of the pair of longitudinal arms, and one another gap is formed between another one of the pair of positioning side panels and another one of the pair of longitudinal arms.
- Therefore, one beneficial effect of the present disclosure is that the plug connector having the protective member replacing the gold finger of the circuit board of the present disclosure includes the protective member located on a front and two sides of the circuit board, so that the protective member can not only protect the circuit board, but also provide a grounding effect by connecting to the ground line of the circuit board. The mechanism for protecting the circuit board can replace the gold finger of the circuit board and be in electrical contact with the terminal of the socket so as to reduce the size of the circuit board, such that the size of the interface plug can be maintained in conformity to the standard specifications.
- These and other aspects of the present disclosure will become apparent from the following description of the embodiment taken in conjunction with the following drawings and their captions, although variations and modifications therein may be affected without departing from the spirit and scope of the novel concepts of the disclosure.
- The present disclosure will become more fully understood from the following detailed description and accompanying drawings.
-
FIG. 1 is an exploded view of a plug connector according to a first embodiment of the present disclosure. -
FIG. 2 is another exploded view of the plug connector according to the first embodiment of the present disclosure. -
FIG. 3 is a bottom exploded view of the plug connector according to the first embodiment of the present disclosure. -
FIG. 4 is a perspective view of the plug connector and a socket according to the first embodiment of the present disclosure. -
FIG. 5 is a sectional view taken along line V-V ofFIG. 4 . -
FIG. 6 is a sectional view taken along line VI-VI ofFIG. 4 . -
FIG. 7 is a sectional view of the plug connector and the socket according to the first embodiment of the present disclosure. -
FIG. 8 is an exploded view of a plug connector according to a second embodiment of the present disclosure. -
FIG. 9 is a perspective view of the plug connector and a socket according to the second embodiment of the present disclosure. -
FIG. 10 is a top view of the plug connector and the socket according to the second embodiment of the present disclosure. -
FIG. 11 is an exploded view of a plug connector according to a third embodiment of the present disclosure. -
FIG. 12 is another exploded view of the plug connector according to the third embodiment of the present disclosure. -
FIG. 13 is a perspective view of the plug connector and a socket according to the third embodiment of the present disclosure. - The present disclosure is more particularly described in the following examples that are intended as illustrative only since numerous modifications and variations therein will be apparent to those skilled in the art. Like numbers in the drawings indicate like components throughout the views. As used in the description herein and throughout the claims that follow, unless the context clearly dictates otherwise, the meaning of “a”, “an”, and “the” includes plural reference, and the meaning of “in” includes “in” and “on”. Titles or subtitles can be used herein for the convenience of a reader, which shall have no influence on the scope of the present disclosure.
- The terms used herein generally have their ordinary meanings in the art. In the case of conflict, the present document, including any definitions given herein, will prevail. The same thing can be expressed in more than one way. Alternative language and synonyms can be used for any term(s) discussed herein, and no special significance is to be placed upon whether a term is elaborated or discussed herein. A recital of one or more synonyms does not exclude the use of other synonyms. The use of examples anywhere in this specification including examples of any terms is illustrative only, and in no way limits the scope and meaning of the present disclosure or of any exemplified term. Likewise, the present disclosure is not limited to various embodiments given herein. Numbering terms such as “first”, “second” or “third” can be used to describe various components, signals or the like, which are for distinguishing one component/signal from another one only, and are not intended to, nor should be construed to impose any substantive limitations on the components, signals or the like.
- Referring to
FIG. 1 toFIG. 5 , a first embodiment of the present disclosure provides aplug connector 100 having a protective member replacing a gold finger of a circuit board. Theplug connector 100 can be inserted into asocket connector 9 along an insertion direction of the plug connector (exemplified inFIG. 4 ). Theplug connector 100 includes aninsulation base 10, a cable terminal block (20, 20), acircuit board 30, aprotective member 50, and agrip 60. Theinsulation base 10 includes atop wall 12 a, abottom wall 12 b, and a pair ofside walls 14 that jointly surround to form an accommodating space in an interior thereof along the insertion direction of the plug connector. In the present embodiment, the cable terminal block includes twocables 20 corresponding to each other; however, the present disclosure is not limited thereto, and the number of thecable 20 can be one or more. Eachcable 20 includes a plurality ofconductors 22, and theconductors 22 are separately soldered to a rear end of thecircuit board 30. In the present embodiment, the twocables 20 have the same amount of theconductors 22, but the present disclosure is not limited thereto. The cable terminal block is held in the accommodating space of theinsulation base 10, and a front end of thecircuit board 30 is exposed from a front end of theinsulation base 10. - The
circuit board 30 includes acontact section 31 and a solder section 32. The solder section 32 is connected with thecontact section 31, in which thecontact section 31 is close to the front end of thecircuit board 30, and the solder section 32 is close to the rear end of thecircuit board 30. The width of the solder section 32 is greater than the width of thecontact section 31, and a pair of stopping and groundingparts contact section 31. In the present embodiment, the pair of stopping and groundingparts parts insulation base 10, respectively. Different shapes of the two stopping and groundingparts circuit board 30, but the present disclosure is not limited thereto. - The
circuit board 30 includes a plurality ofconductive pads 311, 312 (i.e., gold finger) located on a top and a bottom surface of thecontact section 31, and a plurality ofsolder pads solder section 33. However, the present disclosure is not limited thereto. The plurality ofconductive pads contact section 31, and the plurality ofsolder pads solder section 33. The length of theconductive pad 311 is greater than the length of the conductive pad 32. The longconductive pad 311 is mainly used for grounding, and the shortconductive pad 312 is used for signal transmission. Aground pad 321 is disposed on each of a top and a bottom surface of the pair of stopping and groundingparts ground pad 321 can be disposed on only one of the top and the bottom surfaces of the pair of stopping and groundingparts contact section 31 protrudes from a front edge of the insulatingbase 10 and exposes the plurality ofconductive pads conductors 22 of the twocables 20 can be respectively soldered to the plurality ofsolder pads conductive pads solder pads ground pad 321 is aligned with twooutermost solder pads 339 and protrudes from both sides of thecontact section 31. Specifically, in the present embodiment, theground pads 321 of the stopping and groundingparts conductive pads solder pads - In the present embodiment, to fix the
circuit board 30, the plug connector further includes a pair of fixingpins 18, and the pair of fixingpins 18 respectively penetrate thetop wall 12 a and thebottom wall 12 b of theinsulation base 10 and a fixinghole 310 on thecircuit board 30 so as to fix thecircuit board 30 to theinsulation base 10. But the present disclosure is not limited thereto. The number of fixingpins 18 can be one or more. - Referring to
FIG. 1 , theprotective member 50 is clipped to thecontact section 31 of thecircuit board 30, and theprotective member 50 includes atransverse arm 51 and a pair oflongitudinal arms 52. The pair oflongitudinal arms 52 are connected to two ends of thetransverse arm 51 and are substantially U-shaped. Thetransverse arm 51 abuts against a front edge of thecircuit board 30, and the pair oflongitudinal arms 52 respectively abut against two side edges of thecontact section 31. In addition, each end of the pair oflongitudinal arms 52 is respectively soldered to theground pad 321 of the pair of stopping and groundingparts protective member 50 is grounded. Thegrip 60 is fixed to thetop wall 12 a of theinsulation base 10, and thegrip 60 has anoperation part 63 extending upward. In the present embodiment, the thickness of theprotective member 50 is approximately equal to the thickness of thecircuit board 30, so as to avoid scratching thecircuit board 30 when theplug connector 100 is inserting into thesocket connector 9. - As shown in
FIG. 2 , more specifically, agroove 510 is formed on an inner side surface of thetransverse arm 51 of theprotective member 50 in the present embodiment, and a front end surface of thecontact section 31 of thecircuit board 30 forms a corresponding bevel. Thegroove 510 abuts the front end surface of thecontact section 31 so as to help holding thetransverse arm 51 at the front end of thecontact section 31, and prevent thetransverse arm 51 from being upwardly or downwardly displaced. - In the present embodiment, an inner side surface of the pair of
longitudinal arms 52 of theprotective member 50 abuts against two sides of thecontact section 31, in which, aconnection structure 53 is formed on each end of thelongitudinal arms 52, and theconnection structures 53 are separately soldered to theground pads 321 on the top and the bottom surfaces of the stopping and groundingparts connection structure 53 corresponds to one stopping and grounding part (32 a or 32 b), and is soldered to twoground pads 321 on the top and the bottom surface of thecircuit board 30. More specifically, in the present embodiment, eachconnection structure 53 has a widenedpart 531 and a pair ofsolder parts 542, thewidened part 531 is connected to the end of thelongitudinal arm 52, and the pair ofsolder parts 542 respectively extend from two sides of thewidened part 531 in a direction parallel to thelongitudinal arm 52 and are substantially fork-shaped. The pair ofsolder parts 542 are respectively soldered to twoground pads 321 on the top and bottom surfaces of thecircuit board 30 so as to fix theprotective member 50 to thecircuit board 30, and prevent theprotective member 50 from being forwardly or backwardly displaced. - Referring to
FIG. 1 toFIG. 4 , thegrip 60 is fixed on thetop wall 12 a of theinsulation base 10, and thegrip 60 has anupper panel 61, alower panel 62, and theoperation part 63 extending upward from theupper panel 61. A front end of theupper panel 61 is bent to connect with thelower panel 62. The grip can be formed by stamping a metal panel. Thelower panel 62 of thegrip 60 is fixed on thetop wall 12 a of theinsulation base 10. - As shown in
FIG. 1 , to fix thegrip 60, a mountingstructure 16 is formed on thetop wall 12 a of theinsulation base 10 in the present embodiment. The mountingstructure 16 includes a pair of limitingwalls 161 and afront fixing block 162. Both sides of theupper panel 61 of thegrip 60 are fixed to the pair of limitingwalls 161, and the front ends of theupper plate 61 and thelower plate 62 are recessed and stopped at thefront fixing block 162. - As shown in
FIG. 4 ,FIG. 5 , andFIG. 6 ,FIG. 4 is a perspective view of theplug connector 100 and thesocket connector 9 according to the present embodiment;FIG. 5 is a sectional view taken along line V-V ofFIG. 4 ;FIG. 6 is a sectional view taken along line VI-VI ofFIG. 4 . In an assembly process of theplug connector 100 of the present embodiment, thecircuit board 30 is inserted into the accommodating space of theinsulation base 10 from a rear side of theinsulation base 10 along with the cable terminal block. Astop block side walls 14 of theinsulation base 10, and the pair of stopping and groundingparts circuit board 30 are stopped by the stop blocks 143, 145, respectively. In addition, the pair of fixingpins 18 penetrate theinsulation base 10 and thecircuit board 30 so as to firmly fix thecircuit board 30 in theinsulation base 10 and prevent thecircuit board 30 from being displaced. As shown inFIG. 6 , in the present embodiment, a packaging member 19 (e.g., a resin) can be further filled into the accommodating space of theinsulation base 10 to fix and protect the cable terminal block. - Once the
plug connector 100 is assembled, about half of thecontact section 31 of thecircuit board 30 is exposed from a front edge surface of theinsulation base 10, and theconductive pads protective member 50 is located at the front end and both sides of thecircuit board 30. Theprotective member 50 can protect theconductive pads circuit board 30 from being damaged by scratching during an insertion process. In addition, theprotective member 50 is connected to a ground line of the circuit board 30 (exemplified as theground pad 321 inFIG. 1 andFIG. 2 ), and thelongitudinal arms 52 on both sides of theprotective member 50 can provide a grounding effect. A guiding bevel is formed at a front end of thetransverse arm 51 so as to help thetransverse arm 51 to be smoothly inserted into thesocket connector 9. As shown inFIG. 5 , the width of thelongitudinal arm 52 is approximately equal to the width of the longconductive pad 311 plus an interval distance between two adjacentconductive pads 311. An interval distance between thelongitudinal arm 52 and an outermost shortconductive pad 312 is approximately equal to the interval distance between two adjacentconductive pads 311. A front end of the longconductive pad 311 can be in contact with thetransverse arm 51 of theprotective member 50. - The
socket connector 9 includes ahousing 91 and two rows ofterminals 92. Apositioning recess 9140 is formed on each of twoside panels 914 of thehousing 91. Apositioning engagement part 142 is formed at each front end of the pair of side walls 34 of theinsulation base 10 and is substantially L-shaped. A retaininggroove 140 is formed between thepositioning engagement part 142 and the top wall 14 a. When theplug connector 100 and thesocket connector 9 are mated, a pair ofpositioning engagement parts 142 is engaged into thepositioning recess 9140 of thesocket connector 9. - As shown in
FIG. 7 , corresponding to the position of the (outermost)terminal 92 of thesocket connector 9, thecircuit board 30 is not provided with the conductive pad (gold finger); instead, the conductive pad (gold finger) of thecircuit board 30 is replaced by the protective member 50 (i.e., thelongitudinal arm 52 of the protective member 50). During an insertion process between theplug connector 100 and thesocket connector 9, theterminal 92 of thesocket connector 9 is in contact with theprotective member 50 first, so that theprotective member 50 can protect the front end of thecircuit board 30. When theplug connector 100 and thesocket connector 9 are mated, the terminal 92 (exemplified as the outermost terminal inFIG. 7 ) of thesocket connector 9 is in electrical contact with thelongitudinal arm 52 of theprotective member 50, and the (outermost)terminal 92 of thesocket connector 9 is connected to the ground line of thecircuit board 30 through theconnection structure 53 of the ground line. In other words, theterminal 92 of thesocket connector 9 is in electrical contact with the ground line of thecircuit board 30 through theprotective member 50. - Referring to
FIG. 8 toFIG. 10 , a second embodiment of the present disclosure provides aplug connector 100 a. The main difference between the present embodiment and the first embodiment resides in theprotection member 50 a, in which theprotection member 50 a further includes a pair ofpositioning side panels 54, and each of thepositioning side panels 54 is formed by extending an outer side of thelongitudinal arm 52 of theprotection member 50 a. Specifically, each of thepositioning side panels 54 is respectively connected to the outer side of thewidened part 531 at the end of thelongitudinal arm 52. As shown inFIG. 10 , two gaps G are separately formed between thepositioning side panel 54 and thelongitudinal arm 52 to correspond to theside panels 914 of thesocket connector 9. - More specifically, each of the
positioning side panel 54 includes atransverse connection part 541 and aside positioning part 542. Thetransverse connection part 541 is formed by extending thelongitudinal arm 52 outward, and theside positioning part 542 is formed by extending in the insertion direction. In detail, thetransverse connection part 541 extends vertically outward from thewidened part 531, and theside positioning part 542 is perpendicular to thetransverse connection part 541 and parallel to theside wall 14 of theinsulation base 10. - As shown in
FIG. 8 , corresponding to the structure of theprotective member 50 a, amating slot 146 is formed on the inner side of each of the side walls 34 of theinsulation base 10, and thetransverse connection part 541 of thepositioning side panel 54 is received in themating slot 146. As shown inFIG. 9 , a position of theside positioning part 542 corresponds to a front end surface of theside wall 14 of theinsulation base 10. The thickness of theside positioning part 542 is less than or equal to the thickness of theside wall 14 of theinsulation base 10. - In addition, two stopping and grounding
parts 32 c of thecircuit board 30 in the present embodiment are in the same shape. - Furthermore, in the present embodiment, an auxiliary
top positioning wall 147 is extended inward from a top edge of theside wall 14 of theinsulation base 10 in a direction parallel to thetop wall 12 a. When theplug connector 100 a and thesocket connector 9 are mated in the present embodiment, in addition to a positioning effect in a vertical direction being improved by the pair ofpositioning side panels 54 of theprotective member 50 a, the auxiliarytop positioning wall 147 can abut against thehousing 91 of thesocket connector 9 from above to improve a positioning effect in a horizontal direction. - An advantage of the present embodiment is that, in addition to the beneficial effects of the two aspects described in the first embodiment, the
protective member 50 a can provide a more stable connection between theplug connector 100 a and thesocket connector 9, so that shaking between theplug connector 100 a and thesocket connector 9 can be avoided. - Referring to
FIG. 11 toFIG. 13 , a third embodiment of the present disclosure provides aplug connector 100 b. The main difference between the present embodiment and the second embodiment resides in theprotection member 50 b. Compared with theprotective member 50 a of the second embodiment, eachpositioning side panel 54 of theprotective member 50 a includes atop positioning part 543 in addition to thetransverse connection part 541 and theside positioning part 542. In which, thetop positioning part 543 is perpendicular to theside positioning part 542 and extends inward from a top end of theside positioning part 542 in a direction parallel to thecircuit board 30. - The
insulation base 10 of the present embodiment is similar to the one of the second embodiment; each front end surface of thesidewalls 14 of theinsulation base 10 is recessed to form themating slot 146. Thetransverse connection part 541 is engaged in themating slot 146. The position of theside positioning part 542 corresponds to the front end surface of theside wall 14 of theinsulation base 10. The thickness of theside positioning part 542 is approximately equal to the thickness of theside wall 14 of theinsulation base 10. A position of thetop positioning part 543 corresponds to the auxiliarytop positioning wall 147 of theinsulation base 10, and the thickness of thetop positioning part 543 is approximately equal to the thickness of the auxiliarytop positioning wall 147 of theinsulation base 10. - Compared with the second embodiment, in the present embodiment, the
top positioning part 543 cooperates with the auxiliarytop positioning wall 147 to abut against thehousing 91 of thesocket connector 9 to further improve the positioning effect in the horizontal direction. - In conclusion, one of the beneficial effects of the present disclosure is that the plug connector provided in the present disclosure includes the protective member located on the front and two sides of the circuit board. The protective member not only can protect the circuit board but can also provide the grounding effect by connecting to the ground line of the circuit board. In which, the protective member for protecting the circuit board can replace the gold finger of the circuit board and to be in electrical contact with the terminal of the socket, thereby reducing the area of the circuit board such that the size of an interface plug can be maintained in conformity to standard specifications.
- In addition, the protective member can further include the positioning side panels to further improve the positioning effects between the plug connector and the socket connector in the vertical and the horizontal directions.
- The foregoing description of the exemplary embodiments of the disclosure has been presented only for the purposes of illustration and description and is not intended to be exhaustive or to limit the disclosure to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching.
- The embodiments were chosen and described in order to explain the principles of the disclosure and their practical application so as to enable others skilled in the art to utilize the disclosure and various embodiments and with various modifications as are suited to the particular use contemplated.
- Alternative embodiments will become apparent to those skilled in the art to which the present disclosure pertains without departing from its spirit and scope.
Claims (10)
Applications Claiming Priority (3)
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TW108207744 | 2019-06-18 | ||
TW108207744U | 2019-06-18 | ||
TW108207744U TWM584035U (en) | 2019-06-18 | 2019-06-18 | Plug connector with protective member for replacing gold finger of circuit board |
Publications (2)
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US20200403330A1 true US20200403330A1 (en) | 2020-12-24 |
US10879634B1 US10879634B1 (en) | 2020-12-29 |
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US16/727,939 Active US10879634B1 (en) | 2019-06-18 | 2019-12-27 | Plug connector having protective member for replacing gold finger on circuit board |
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US (1) | US10879634B1 (en) |
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2019
- 2019-06-18 TW TW108207744U patent/TWM584035U/en not_active IP Right Cessation
- 2019-12-27 US US16/727,939 patent/US10879634B1/en active Active
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Also Published As
Publication number | Publication date |
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US10879634B1 (en) | 2020-12-29 |
TWM584035U (en) | 2019-09-21 |
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