CN111262075A - Electric connector and manufacturing method thereof - Google Patents
Electric connector and manufacturing method thereof Download PDFInfo
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- CN111262075A CN111262075A CN202010053816.6A CN202010053816A CN111262075A CN 111262075 A CN111262075 A CN 111262075A CN 202010053816 A CN202010053816 A CN 202010053816A CN 111262075 A CN111262075 A CN 111262075A
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- terminal
- terminal row
- material breaking
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses an electric connector and a manufacturing method thereof, the electric connector comprises an insulator, a first terminal row, a second terminal row and a shielding piece, wherein the first terminal row and the second terminal row respectively comprise signal terminals and grounding terminals, the front free end of each signal terminal is provided with a first material breaking part, the front free end of each grounding terminal is provided with a second material breaking part, the shielding piece is provided with a main body part positioned between the first terminal row and the second terminal row, the main body part is provided with a yielding space along the up-down direction in a penetrating manner, the projection of the first material breaking part is positioned in the yielding space when viewed along the up-down direction, a material breaking tool enters the yielding space to break the first material breaking part to form a first material breaking surface, a material breaking tool is positioned at the front end of the insulator and forms a second material breaking surface for the second material breaking part, the second material breaking surface is positioned in front of the first material breaking surface, the front end surface of the main body part is positioned between the first material breaking surface and the second material breaking surface, the invention can simplify the steps of forming and material breaking on the basis of meeting the requirement of transmitting high-frequency signals.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector and a method for manufacturing the same, and more particularly, to an electrical connector with a shield and a method for manufacturing the same.
[ background of the invention ]
The existing common electric connector structure comprises an insulating block, an upper row of terminal groups, a middle shielding sheet and a lower row of terminal groups, wherein the upper row of terminal groups and the lower row of terminal groups are formed by injection molding of the insulating block, the upper row of terminal groups and the lower row of terminal groups respectively comprise a grounding terminal and a signal terminal, the length of the front end of the grounding terminal is greater than that of the front end of the signal terminal, in order to ensure the shielding effect, the front end surface of the middle shielding sheet is positioned in front of the front end surface of the signal terminal, in the injection molding process, the adjacent two terminals in the upper row of terminal groups and the lower row of terminal groups are connected through a material bridge, the side edges of the two terminals positioned at the outermost side are provided with extending parts which are connected with the material belt, after the injection molding is finished, the material belt not only needs to be cut, but also the material bridge between the adjacent terminals needs to be removed, the process, the width of the outermost terminal is increased, which reduces the transmission efficiency of the signal terminal in actual use and reduces the shielding performance of the electrical connector.
Therefore, there is a need for a new electrical connector and a method for manufacturing the same to overcome the above problems.
[ summary of the invention ]
In view of the problems encountered in the background art, an object of the present invention is to provide an electrical connector and a method for manufacturing the electrical connector, in which a projection of a first material breaking portion in a vertical direction is located in an abdicating space of a main body portion, a front end surface of the main body portion is located between a first material breaking surface and a second material breaking surface, and molding and material breaking steps can be simplified while high-frequency signals are transmitted.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electrical connector, comprising: the first terminal row and the second terminal row are positioned below the first terminal row, each of the first terminal row and the second terminal row comprises at least one signal terminal and at least one grounding terminal positioned on one side of the signal terminal, the front free end of each signal terminal is provided with a first material breaking part, the first material breaking part is provided with a first material breaking surface, the front free end of each grounding terminal is provided with a second material breaking part, the second material breaking part is provided with a second material breaking surface, and the first material breaking parts of the first terminal row and the first material breaking parts of the second terminal row are staggered in the vertical direction; the shielding piece is provided with a main body part positioned between the first terminal row and the second terminal row, the main body part is provided with at least one abdicating space in the vertical direction, and the projection of each first material breaking part is positioned in the abdicating space when viewed in the vertical direction; an insulator, with first terminal row the second terminal row and the once injection moulding of shield, disconnected material instrument gets into it is right to let a space first disconnected material portion expect absolutely and form first disconnected charge level, disconnected material instrument is located the front end of insulator is right the disconnected material of second disconnected material portion expects absolutely and forms the second disconnected charge level, the second disconnected charge level is located the place ahead of first disconnected charge level, the preceding terminal surface of main part is located first disconnected charge level with between the second disconnected charge level.
Furthermore, the upper surface or the lower surface of the first material breaking part is provided with a guide surface, the front end of the guide surface is connected with the first material breaking surface, an insulating body is injected outside the insulating body, and the front ends of the first material breaking part, the second material breaking part and the main body part are embedded in the insulating body.
Furthermore, the space of stepping down has two at least, two connect through a connecting wall between the space of stepping down, each the space of stepping down corresponds at least one along upper and lower direction first disconnected material portion sets up, first terminal row has adjacent two signal terminal, the projection of connecting wall along upper and lower direction is located adjacent two signal terminal between the first disconnected material portion.
Furthermore, each ground terminal is provided with an extension part connected with the rear end of the second material breaking part, the extension parts of the ground terminals of the second terminal row are aligned with the connecting wall along the vertical direction, and plastic is filled between the extension parts and the connecting wall.
Further, the main body part is provided with an isolation part which is positioned in front of the abdicating space.
An electrical connector, comprising: the first terminal row comprises at least one signal terminal and at least one grounding terminal positioned on one side of the signal terminal, the front free end of the signal terminal is provided with a first material breaking part, the first material breaking part is provided with a first material breaking surface, the front free end of the grounding terminal is provided with a second material breaking part, and the second material breaking part is provided with a second material breaking surface; the shielding piece is provided with a main body part which is positioned on one side of the first terminal row along the vertical direction, at least one abdicating space penetrates through the main body part along the vertical direction, and the projection of the first material breaking part is positioned in the abdicating space when seen along the vertical direction; an insulator, with first terminal row and the once injection moulding of shield, disconnected material instrument gets into it is right to let a space apart the disconnected material of first disconnected material portion forms first disconnected charge level, and disconnected material instrument is located the front end of insulator is right the disconnected material of second disconnected material portion forms second disconnected charge level, the second disconnected charge level is located the place ahead of first disconnected charge level, the preceding terminal surface of main part is located first disconnected charge level with between the second disconnected charge level.
A method of manufacturing an electrical connector comprising the steps of:
s1, providing a shielding element, a first terminal row connected with a first material belt, and a second terminal row connected with a second material belt, wherein the second terminal row is positioned below the first terminal row, the first terminal row and the second terminal row both comprise at least one signal terminal and at least one grounding terminal positioned on one side of the signal terminal, the front free end of the signal terminal is provided with a first material breaking part, the first material breaking part of the first terminal row is connected with the first material belt, the first material breaking part of the second terminal row is connected with the second material belt, the front free end of the grounding terminal is provided with a second material breaking part, the second material breaking part of the first terminal row is connected with the first material belt, the second material breaking part of the second terminal row is connected with the second material belt, and the first material breaking part of the first terminal row and the first material breaking part of the second terminal row are staggered in the vertical direction, the shielding part is provided with a main body part positioned between the first terminal row and the second terminal row, at least one abdicating space penetrates through the main body part along the vertical direction, and the projection of each first material breaking part is positioned in the abdicating space when viewed along the vertical direction;
s2: injection molding an insulator over the first terminal row, the shield, and the second terminal row;
s3: the top of the die is abutted against the first material breaking part and the second material breaking part of the first terminal row, the material breaking tool is used for separating the first material belt from the first material breaking part and the second material breaking part of the first terminal row in a material breaking way, the top of the die is abutted against the first material breaking part and the second material breaking part of the second terminal row, the material breaking tool enters the abdicating space to separate the second material belt from the first material breaking part of the second terminal row in a material breaking way, and the material breaking tool is positioned at the front end of the insulator to separate the second material belt from the second material breaking part of the second terminal row in a material breaking way, the first material breaking part is provided with a first material breaking surface, the second material breaking part is provided with a second material breaking surface, the second material cutting surface is positioned in front of the first material cutting surface, and the front end surface of the main body part is positioned between the first material cutting surface and the second material cutting surface.
Further, in step S3, the left and right sides of the first material belt have a first material cutting portion, the left and right sides of the second material belt have a second material cutting portion, and the first material cutting portion and the second material cutting portion located on the same side are arranged at intervals along the front-back direction.
Further, in S1 step, the space of stepping down has two at least, two the space of stepping down is connected through a connecting wall, each the space of stepping down corresponds at least one along the upper and lower direction first disconnected material portion sets up, first terminal row has adjacent two signal terminal, the projection of connecting wall along the upper and lower direction is located adjacent two signal terminal between the first disconnected material portion.
Further, in step S1, each ground terminal has an extension portion connected to the rear end of the second material-breaking portion, the extension portions of the ground terminals of the second terminal row are aligned with the connecting wall along the vertical direction, and plastic is filled between the extension portions and the connecting wall.
Compared with the prior art, the invention has the following beneficial effects:
the main part runs through along upper and lower direction and is equipped with at least one the space of stepping down, looks along upper and lower direction, each the projection of first disconnected material portion is located in the space of stepping down, disconnected material instrument gets into it is right to step down the space first disconnected material portion absolutely expects to form first disconnected material face, disconnected material instrument is located the front end of insulator is right the disconnected material of second disconnected material portion forms second disconnected material face, second disconnected material face is located the place ahead of first disconnected material face, the preceding terminal surface of main part is located first disconnected material face with between the second disconnected material face, the preceding terminal surface of main part is located the place ahead of first disconnected material face, the main part can fully shield first terminal row with the signal interference between the signal terminal of second terminal row satisfies the transmission requirement to high frequency signal of electric connector, sets up the space of stepping down makes the top of mould pass the space of stepping down first terminal row of butt first disconnected material row The material portion makes things convenient for the disconnected material instrument to pass simultaneously let the space right the second terminal row first disconnected material portion carries out the disconnected material, the second disconnected material face is located the place ahead of the preceding terminal surface of main part, it is right to make things convenient for disconnected material instrument the second disconnected material portion carries out disconnected material and makes things convenient for the shaping the shield avoids reducing the shielding effect of main part is through right the structure of shield designs, is satisfying under the requirement of electric connector's transmission high frequency signal, simplifies the shaping and cuts off the material step.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of the electrical connector of the present invention;
fig. 2 is a schematic view of the mating of a first terminal row with a shield and a second terminal row in accordance with the present invention;
fig. 3 is a perspective assembly view of the first terminal row, shield, second terminal row and insulator of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a top view of the electrical connector of the present invention with the metal shell removed;
fig. 6 is a schematic structural diagram of the first terminal row, the shielding member and the second terminal row in step S1 according to the present invention;
fig. 7 is a schematic structural diagram of the insulator injection molded on the first terminal row, the shield, and the second terminal row in step S2 according to the present invention;
fig. 8 is a schematic view of the present invention in which the first tape and the second tape are removed in step S3;
fig. 9 is a structural view of the insulation body injection molded on the insulation body, the first terminal row, the shielding member, and the second terminal row in step S4 of the present invention.
[ detailed description ] embodiments
As shown in fig. 1, 4 and 5, the electrical connector 100 of the present invention is the electrical connector 100, the electrical connector 100 is a Display Port socket for mating with a Display Port plug (not shown), and the electrical connector 100 is for being soldered to a circuit board (not shown), in other embodiments, the electrical connector 100 may be an HDMI socket or a socket of other interface for mating with an HDMI plug or a plug of other interface, the electrical connector 100 includes an insulating body 1, an insulator 2 accommodated on the insulating body 1, a first terminal row 3, a second terminal row 4 and a shield 5, and a metal shell 6 is wrapped outside the insulating body 1. The insulator 2 is injection molded at one time around the first terminal row 3, the second terminal row 4, and the shield 5, and then the insulator body 1 is co-injection molded around the first terminal row 3, the second terminal row 4, the shield 5, and the insulator 2.
As shown in fig. 5, the insulating body 1 includes a base 11 and a tongue plate 12 extending forward from the base 11.
As shown in fig. 1, 4 and 5, the first terminal row 3 includes two pairs of signal terminals 31 and two ground terminals 32 alternately arranged on the upper surface of the tongue plate 12 in the transverse direction, the second terminal row 4 includes two pairs of signal terminals 31 and three ground terminals 32 alternately arranged on the lower surface of the tongue plate 12 in the transverse direction, and the signal terminals 31 of the first terminal row 3 and the signal terminals 31 of the second terminal row 4 are staggered in the vertical direction.
As shown in fig. 1 and 2, the front free end of each signal terminal 31 has a first cut portion 311, the first cut portion 311 has a first cut surface 3111, each signal terminal 31 includes a connecting portion 312 extending rearward from the rear end of the first cut portion 311, a first contact portion 313 extending rearward from the rear end of the connecting portion 312, a first fixing portion 314 extending rearward from the first contact portion 313, and a first welding portion 315 extending rearward from the first fixing portion 314 to the rear end of the base portion 12. Each of the free front ends of the ground terminals 32 has a second material breaking portion 321, the second material breaking portion 321 has a second material breaking surface 3211, each of the ground terminals 32 further includes an extending portion 322 extending rearward from a rear end of the second material breaking portion 321, a second contact portion 323 extending rearward from a rear end of the extending portion 322, a second fixing portion 324 extending rearward from the second contact portion 323, and a second welding portion 325 extending rearward from the second fixing portion 324 to a rear end of the base portion 12, wherein the first material breaking portion 311 of the first terminal row 3 and the first material breaking portion 311 of the second terminal row 4 are vertically staggered, and the second material breaking portion 321 of the first terminal row 3 and the second material breaking portion 321 of the second terminal row 4 are vertically staggered.
As shown in fig. 1, 2 and 3, the shielding member 5 has a main body 51 located between the first terminal row 3 and the second terminal row 4, the main body 51 is provided with a plurality of yielding spaces 511 along the up-down direction, and viewed along the up-down direction, the projection of each first material breaking portion 311 is located in the corresponding yielding space 511, wherein there are five yielding spaces 511, three yielding spaces 511 are respectively arranged corresponding to two first material breaking portions 311 along the up-down direction, two yielding spaces 511 are respectively arranged corresponding to one first material breaking portion 311 along the up-down direction, a material breaking tool enters the yielding space 511 to form the first material breaking surface 3111 for the first material breaking portion 311, the material breaking tool is located at the front end of the insulator 2 and forms the second material breaking surface 3211 for the second material breaking portion 321, the second material breaking surface 3211 is located in front of the first material breaking surface 3111, the front end face of the main body 51 is located between the first material-breaking face 3111 and the second material-breaking face 3211, so that the main body 51 can sufficiently shield the signal interference between the signal terminals 31 of the first terminal row 3 and the second terminal row 4, the transmission requirement of the electric connector 100 for high-frequency signals is met, the top of the mold penetrates through the abdicating space 511 to abut against the first material-breaking portion 311 of the first terminal row 3, the front end of the signal terminal 31 is prevented from warping when the material-breaking tool breaks the first material-breaking portion 311, meanwhile, the material-breaking tool conveniently penetrates through the abdicating space 511 to break the first material-breaking portion 32131 of the second terminal row 4, the second material-breaking face 3211 is located in front of the front end face of the main body 51, the material-breaking tool conveniently breaks the second material-breaking portion 321 and conveniently molds the shielding member 5, avoid because the preceding terminal surface of main part 51 is located the place ahead of second disconnected material face 321 needs be in main part 51 along the upper and lower direction run through establish with the hole of stepping down that second disconnected material face 3211 corresponds to this realizes that the disconnected material instrument passes this hole of stepping down to second terminal row 4 the disconnected material of second disconnected material portion 321 expects, because this hole of stepping down with first disconnected material face 3111 corresponds step down space 511 is linked together, makes be formed with the fretwork region of the broad that runs through its upper and lower surface on main part 51, can not be relatively good right first terminal row 3 with second terminal row 4 the signal interference of the distal end of signal terminal 31 shields. By designing the structure of the shielding member 5, the molding and material breaking steps are simplified under the condition of meeting the requirement of the electric connector 100 for transmitting high-frequency signals.
As shown in fig. 3, the first material-cutting portion 311 is disposed at the front free end of the signal terminal 31, and the second material-cutting portion 321 is disposed at the front free end of the ground terminal 32, so as to avoid increasing the width of each terminal in the first terminal row 3 and the second terminal row 4 due to the material-cutting portions disposed at the side edges of the signal terminal 31 and the ground terminal 32, which is helpful for improving the high-frequency performance of the electrical connector 100. The main body 51 extends upward to have a plurality of resilient pieces (not numbered) to elastically abut against the ground terminals 32 corresponding to the first terminal row 3, and the main body 51 extends downward to have a plurality of resilient pieces (not numbered) to elastically abut against the ground terminals 32 corresponding to the second terminal row 4.
As shown in fig. 2 and 4, the first terminal row 3 further includes two first additional terminals 33 and two second additional terminals 34, the second terminal row 4 further includes one first additional terminal 33 and two second additional terminals 34, the first additional terminal 33 of the first terminal row 3 and the first additional terminal 33 of the second terminal row 4 are disposed in a vertically staggered manner, the second additional terminal 34 of the first terminal row 3 and the second additional terminal 34 of the second terminal row 4 are disposed in a vertically staggered manner, after one-time injection molding, in order to facilitate separation of the first terminal row 3 and the second terminal row 4 from the corresponding material belts by a material breaking tool, a front free end of the first additional terminal 33 has the same structure as a front free end of the signal terminal 31, a front free end of the first additional terminal 33 is matched with the main body 51, The structure of the front free end of the second additional terminal 34 is the same as the structure of the front free end of the signal terminal 31 and the main body 51, the structure of the front free end of the second additional terminal 34 is the same as the structure of the front free end of the ground terminal 32, and the structure of the front free end of the second additional terminal 34 and the main body 51 are the same as the structure of the front free end of the ground terminal 32 and the main body 51, which are not described again. In other embodiments, the kinds, numbers, and arrangement order of the signal terminals 31, the ground terminals 32, the first additional terminals 33, and the second additional terminals 34 may be designed according to the actual functions of the product.
As shown in fig. 4, the upper surface of the first material breaking portion 311 of the first terminal row 3 has a guiding surface 3112, the lower surface of the first material breaking portion 311 of the second terminal row 4 has the guiding surface 3112, the front end of the guiding surface 3112 is connected to the first material breaking surface 3111, the upper surface of the second material breaking portion 321 of the first terminal row 3 has a guiding surface 3112, the lower surface of the second material breaking portion 321 of the second terminal row 4 has a guiding surface 3112, the front end of the guiding surface 3112 is connected to the second material breaking surface 3111, the guiding surface 3113212 is used for guiding the material breaking tool to smoothly reach the connection between the first material breaking portion 311 and the corresponding material strip and the connection between the second material breaking portion 321 and the corresponding material strip, so as to improve the precision of material breaking, and the front end of the main body 51, the first material breaking portion 311 and the second material breaking portion 321 are all embedded in the insulating body 1, when the insulating body 1 is injection-molded on the periphery of the insulating body 2, plastic is conveniently attached to the guide surface 3112, so that the grounding terminal 32 and the signal terminal 31 are more tightly combined with the insulating body 1, and the front ends of the grounding terminal 32 and the signal terminal 31 are prevented from warping when the electrical connector 100 is butted with a Display Port plug.
As shown in fig. 2, two adjacent abdicating spaces 511 are connected through a connecting wall 513, each abdicating space 511 corresponds one along the up-down direction first material breaking portion 311 or two first material breaking portion 311 is provided, the projection of connecting wall 513 along the up-down direction is located two adjacent signal terminals 31 between first material breaking portion 311, connecting wall 513 is used for shielding signal interference between signal terminals 31 of first terminal row 3 and second terminal row 4, and simultaneously increases the structural strength of shielding piece 5.
As shown in fig. 2 and 4, the second cut portion 321 of the first terminal row 3 is located between the first cut portions 311 of the pair of signal terminals 31 of the corresponding second terminal row 4, the extended portions 322 of the ground terminals 32 of the first terminal row 3 are aligned with the corresponding connecting walls 513 in the up-down direction, the two second material-cutting portions 321 of the second terminal row 4 are located between the first material-cutting portions 311 of the pair of signal terminals 31 corresponding to the first terminal row 3, the extended portions 322 of the two ground terminals 32 of the second terminal row 4 are aligned with the corresponding connecting walls 513 in the up-down direction, plastic is filled between the extension 322 and the connecting wall 513, so that the bonding force between the ground terminal 32 and the insulator 2 is improved, and the front end of the ground terminal 32 is effectively prevented from being warped due to external force.
As shown in fig. 2, the main body 51 has an isolating part 514, the isolating part 514 is located in front of the relief space 511, and the isolating part 514 is configured to shield signal interference at the far end of the signal terminals 31 of the first terminal row 3 and the second terminal row 4, so as to improve shielding effect.
To facilitate understanding by those skilled in the art, the following description is provided in connection with the method of manufacturing the electrical connector 100:
s1, as shown in fig. 6 and 7, providing a first metal plate, forming the first terminal row 3, a first strip 7 connecting the front end of the first terminal row 3 and a third strip 9 connecting the rear end of the first terminal row 3 on the first metal plate by punching, providing a second metal plate, forming the second terminal row 4, a second strip 8 connecting the front end of the second terminal row 4 and a fourth strip 10 connecting the rear end of the second terminal row 4 on the second metal plate by punching, providing a third metal plate, forming the shielding member 5 and a fifth strip 101 connecting the shielding member 5 on the third metal plate by punching, wherein the second terminal row 4 is located below the first terminal row 3, the first terminal row 3 and the second terminal row 4 both include a plurality of signal terminals 31 and a plurality of ground terminals 32, the front free end of each signal terminal 31 has the first material breaking portion 311, the first material breaking portion 311 is connected to the first material tape 7 or the second material tape 8, the first material breaking portion 311 has the first material breaking surface 3111, the front free end of each ground terminal 32 has the second material breaking portion 321, the second material breaking portion 321 is connected to the first material tape 7 or the second material tape 8, the first material breaking portion 311 of the first terminal row 3 and the first material breaking portion 311 of the second terminal row 4 are staggered in the up-down direction, the shielding member 5 has the main body portion 51 located between the first terminal row 3 and the second terminal row 4, the main body portion 51 has a plurality of yield spaces 511 extending in the up-down direction, and when viewed in the up-down direction, the projection of each first material breaking portion 311 is located in the corresponding yield space 511, the first material belt 7, the second material belt 8, the third material belt 9, the fourth material belt 10 and the fifth material belt 101 are formed with a positioning hole 72 for facilitating positioning of a mold, the left and right ends of the first material belt 7 are respectively provided with a first material cutting portion 71 for connecting with a first material belt (not shown) of another first material belt (not shown), the left and right sides of the second material belt 8 are respectively provided with a second material cutting portion 81 for connecting with a second material belt (not shown), each first material cutting portion 71 is provided with a first material cutting surface 711, each second material cutting portion 81 is provided with a second material cutting surface 81, and the first material cutting portion 71 and the second material cutting portion 81 located on the same side are arranged at intervals along the front-back direction;
s2: as shown in fig. 7, the first tape 7, the second tape 8, the third tape 9, the fourth tape 10, and the fifth tape 101 are positioned on a mold through the positioning holes 72, and the insulator 2 is formed on the first terminal row 3, the shield 5, and the second terminal row 4 in an injection molding manner, wherein as shown in fig. 5, no plastic is filled between the first material breaking portion 311 and the main body portion 51, no plastic is filled in a region of the relief space 511 corresponding to the first material breaking portion 311 in the vertical direction, and the second material breaking portion 321 is located in front of the insulator 2;
s3: the top of the mold is abutted to the lower surface of the first material breaking part 311 of the first terminal row 3 by passing through the abdicating space 511 from bottom to top, the top of the mold is abutted to the lower surface of the second material breaking part 321 of the first terminal row 3, the material breaking tool is abutted to the lower surface of the first material breaking part 311 and the second material breaking part 321 of the first terminal row 3 by passing through the first material belt 7 from top to bottom, the top of the mold is abutted to the first material breaking part 311 and the second material breaking part 321 of the second terminal row 4 by passing through the abdicating space 511 from top to bottom, the material breaking tool is positioned at the front end of the insulator 2 by passing through the abdicating space 511 from top to bottom, the material breaking part 321 of the second terminal row 4 by passing through the second material belt 8 and the first material breaking part 311 of the second terminal row 4 is separated, as shown in fig. 8, the front end of the first material cutting part 311 forms the first material cutting surface 3111, the front end of the second material cutting part 321 forms the second material cutting surface 3211, the second material cutting surface 3211 is located in front of the first material cutting surface 3111, the front end surface of the main body 51 is located between the first material cutting surface 3111 and the second material cutting surface 3211, the top of the mold abuts against the first material cutting part 71 and the second material cutting part 81, the material cutting tool separates the first material cutting part 71 from another first material belt (not shown) and separates the second material cutting part 81 from another second material belt (not shown), the first material cutting part 71 is cut into the first material cutting surface 711, the second material cutting part 81 is cut into the second material surface 811, the first material cutting surface 711 and the second material cutting surface 811 located on the same side of the mold are arranged at intervals in the front-back direction, and the first material cutting surface 711 and the second material cutting surface 81 located on the same side of the mold are arranged at intervals in the front-back direction, the top of the mold is convenient to abut against the first material cutting part 71 and the second material cutting part 81 respectively, so that the material is cut by a material cutting tool, the first material belt 7 and the second material belt 8 can fall off from the mold completely, the subsequent injection molding of the insulation body 1 is convenient, the first material cutting part 71 and the second material cutting part 81 are cut, and the condition that the top of the mold cannot abut against the first material cutting part 71 and the second material cutting part 81 respectively due to the fact that the projections of the first material cutting part 71 and the second material cutting part 81 along the vertical direction are overlapped is avoided;
s4: as shown in fig. 9, the base portion 11 and the tongue plate 12 are formed on the peripheries of the insulator 2, the first terminal row 3, the second terminal row 4, and the shield 5 by injection molding, so that the first soldering portion 315 and the second soldering portion 325 extend out of the rear end of the base portion 11, wherein the front end of the main body 51, the first material breaking portion 311, and the second material breaking portion 321 are embedded in the insulator 1, the first contact portion 313 and the second contact portion 323 of the first terminal row 3 are exposed on the upper surface of the tongue plate 12, and the first contact portion 313 and the second contact portion 323 of the second terminal row 4 are exposed on the lower surface of the tongue plate 12;
s5: and removing the third material belt 9, the fourth material belt 10 and the fifth material belt 101, and accommodating the insulation body 1 in the metal shell 6 to obtain a finished product.
In summary, the electrical connector 100 and the method for manufacturing the electrical connector of the present invention have the following advantages:
(1) the main body 51 is provided with a plurality of yielding spaces 511 extending along the up-down direction, when viewed along the up-down direction, the projection of each first material breaking portion 311 is located in the corresponding yielding space 511, a material breaking tool enters the yielding space 511 to break the material of the first material breaking portion 311 to form a first material breaking surface 3111, the material breaking tool is located on the front end surface of the insulator 2 and break the material of the second material breaking portion 321 to form a second material breaking surface 3211, the second material breaking surface 3211 is located in front of the first material breaking surface 3111, the front end surface of the main body 51 is located between the first material breaking surface 3111 and the second material breaking surface 3211, so that the main body 51 can fully shield the signal interference between the signal terminals 31 of the first terminal row 3 and the second terminal row 4, and meet the transmission requirement of the electrical connector 100 for high-frequency signals, the top of mould is passed let a space 511 butt first terminal row 3 first disconnected material portion 311 avoids disconnected material instrument right when first disconnected material portion 311 carries out the disconnected material signal terminal 31's front end takes place the warpage, makes things convenient for disconnected material instrument to pass simultaneously let a space 511 right second terminal row 4 first disconnected material portion 31 carries out disconnected material, second disconnected material face 3211 is located the place ahead of main part 51's preceding terminal surface makes things convenient for disconnected material instrument right second disconnected material portion 321 carries out disconnected material and makes things convenient for the shaping shield 5 avoids following on the main part 51 from top to bottom the direction run through establish with the second disconnected material portion 321 corresponds let a hole and make main part 51 can not be relatively good right first terminal row 3 with second terminal row 4 the signal interference of the distal end of signal terminal 31 shields. By designing the structure of the shielding member 5, the molding and material breaking steps are simplified under the condition of meeting the requirement of the electric connector 100 for transmitting high-frequency signals.
(2) The upper surface of the first material breaking portion 311 of the first terminal row 3 is provided with the guide surface 3112, the lower surface of the first material breaking portion 311 of the second terminal row 4 is provided with the guide surface 3112, the front end of the guide surface 3112 is connected with the first material breaking surface 3111, the guide surface 3112 is used for guiding the material breaking tool to smoothly reach the connection position between the first material breaking portion 311 and the corresponding material belt, the material breaking accuracy is improved, the first material breaking portion 311 is buried in the insulating body 1, when the insulating body 1 is injection-molded on the periphery of the insulating body 2, plastic is convenient to adhere to the guide surface 3112, so that the signal terminal 31 is tightly combined with the insulating body 1, and the front end of the signal terminal 31 is prevented from being warped when the electric connector 100 is in butt joint with a Display Port plug.
(3) The space 511 of stepping down has five, adjacent two pass through between the space 511 of stepping down connect the wall 513 and connect, each the space 511 of stepping down corresponds one along the upper and lower direction first disconnected material portion 311 or two first disconnected material portion 311 sets up, first terminal row 3 has two pairs signal terminal 31, second terminal row 4 has two pairs signal terminal 31, each the projection of connecting the wall 513 along the upper and lower direction is located a pair that corresponds signal terminal 31 between the first disconnected material portion 311, connecting the wall 513 and being used for shielding first terminal row 3 second terminal row 4 signal interference between the signal terminal 31 increases simultaneously the structural strength of shielding piece 5.
(4) The second cut portion 321 of the first terminal row 3 is located between the first cut portions 311 of the pair of signal terminals 31 of the corresponding second terminal row 4, the extended portions 322 of the ground terminals 32 of the first terminal row 3 are aligned with the corresponding connecting walls 513 in the up-down direction, the two second material-cutting portions 321 of the second terminal row 4 are located between the first material-cutting portions 311 of the pair of signal terminals 31 corresponding to the first terminal row 3, the extended portions 322 of the two ground terminals 32 of the second terminal row 4 are aligned with the corresponding connecting walls 513 in the up-down direction, plastic is filled between the extension 322 and the connecting wall 513, so that the bonding force between the ground terminal 32 and the insulator 2 is improved, and the front end of the ground terminal 32 is effectively prevented from being warped due to external force.
(5) The main body part 51 has an isolating part 514, the isolating part 514 is located the place ahead of the space 511 of stepping down, set up the isolating part 514 is used for shielding first terminal row 3 with the second terminal row 4 the signal interference of signal terminal 31 distal end improves shielding effect.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.
Claims (10)
1. An electrical connector, comprising:
the first terminal row and the second terminal row are positioned below the first terminal row, each of the first terminal row and the second terminal row comprises at least one signal terminal and at least one grounding terminal positioned on one side of the signal terminal, the front free end of each signal terminal is provided with a first material breaking part, the first material breaking part is provided with a first material breaking surface, the front free end of each grounding terminal is provided with a second material breaking part, the second material breaking part is provided with a second material breaking surface, and the first material breaking parts of the first terminal row and the first material breaking parts of the second terminal row are staggered in the vertical direction;
the shielding piece is provided with a main body part positioned between the first terminal row and the second terminal row, the main body part is provided with at least one abdicating space in the vertical direction, and the projection of each first material breaking part is positioned in the abdicating space when viewed in the vertical direction;
an insulator, with first terminal row the second terminal row and the once injection moulding of shield, disconnected material instrument gets into it is right to let a space first disconnected material portion expect absolutely and form first disconnected charge level, disconnected material instrument is located the front end of insulator is right the disconnected material of second disconnected material portion expects absolutely and forms the second disconnected charge level, the second disconnected charge level is located the place ahead of first disconnected charge level, the preceding terminal surface of main part is located first disconnected charge level with between the second disconnected charge level.
2. The electrical connector of claim 1, wherein: the upper surface or the lower surface of the first material breaking part is provided with a guide surface, the front end of the guide surface is connected with the first material breaking surface, the insulator is externally injected with an insulating body, and the first material breaking part, the second material breaking part and the front end of the main body part are embedded in the insulating body.
3. The electrical connector of claim 1, wherein: the yield space has two at least, adjacent two yield space is connected through a connecting wall, each yield space corresponds at least one along upper and lower direction first disconnected material portion sets up, first terminal row has adjacent two signal terminal, the projection of connecting wall along upper and lower direction is located adjacent two signal terminal first disconnected material portion between.
4. The electrical connector of claim 3, wherein: each grounding terminal is provided with an extension part connected with the rear end of the second material breaking part, the extension parts of the grounding terminals of the second terminal row are aligned with the connecting wall along the vertical direction, and plastic is filled between the extension parts and the connecting wall.
5. The electrical connector of claim 1, wherein: the main body part is provided with an isolation part which is positioned in front of the abdicating space.
6. An electrical connector, comprising:
the first terminal row comprises at least one signal terminal and at least one grounding terminal on one side of the signal terminal, the front free end of each signal terminal is provided with a first material breaking part, the first material breaking part is provided with a first material breaking surface, the front free end of each grounding terminal is provided with a second material breaking part, and the second material breaking part is provided with a second material breaking surface;
the shielding piece is provided with a main body part which is positioned on one side of the first terminal row along the vertical direction, at least one abdicating space penetrates through the main body part along the vertical direction, and the projection of the first material breaking part is positioned in the abdicating space when seen along the vertical direction;
an insulator, with first terminal row and the once injection moulding of shield, disconnected material instrument gets into it is right to let a space apart the disconnected material of first disconnected material portion forms first disconnected charge level, and disconnected material instrument is located the front end of insulator is right the disconnected material of second disconnected material portion forms second disconnected charge level, the second disconnected charge level is located the place ahead of first disconnected charge level, the preceding terminal surface of main part is located first disconnected charge level with between the second disconnected charge level.
7. A method of manufacturing an electrical connector, comprising the steps of:
s1, providing a first terminal row connected with a first material belt, a second terminal row connected with a second material belt and a shielding piece, wherein the second terminal row is positioned below the first terminal row, the first terminal row and the second terminal row respectively comprise at least one signal terminal and at least one grounding terminal positioned on one side of the signal terminal, the front free end of the signal terminal is provided with a first material breaking part, the first material breaking part is provided with a first material breaking surface, the first material breaking part of the first terminal row is connected with the first material belt, the first material breaking part of the second terminal row is connected with the second material belt, the front free end of the grounding terminal is provided with a second material breaking part, the second material breaking part of the first terminal row is connected with the first material belt, and the second material breaking part of the second terminal row is connected with the second material belt, the second material breaking part is provided with a second material breaking surface, the first material breaking part of the first terminal row and the first material breaking part of the second row are staggered in the vertical direction, the shielding part is provided with a main body part positioned between the first terminal row and the second terminal row, the main body part penetrates through at least one abdicating space in the vertical direction, and when viewed in the vertical direction, the projection of each first material breaking part is positioned in the abdicating space;
s2: injection molding an insulator over the first terminal row, the shield, and the second terminal row,
s3: the top of the die is abutted against the first material breaking part and the second material breaking part of the first terminal row, the material breaking tool is used for separating the first material belt from the first material breaking part and the second material breaking part of the first terminal row in a material breaking way, the top of the die is abutted against the first material breaking part and the second material breaking part of the second terminal row, the material breaking tool enters the abdicating space to separate the second material belt from the first material breaking part of the second terminal row in a material breaking way, and the material breaking tool is positioned at the front end of the insulator to separate the second material belt from the second material breaking part of the second terminal row in a material breaking way, the first material breaking part is provided with the first material breaking surface, the second material breaking part is provided with the second material breaking surface, the second material cutting surface is positioned in front of the first material cutting surface, and the front end surface of the main body part is positioned between the first material cutting surface and the second material cutting surface.
8. The method of manufacturing an electrical connector of claim 7, wherein: in the step S3, the left and right ends of the first material belt are respectively provided with a first material cutting portion, the left and right sides of the second material belt are respectively provided with a second material cutting portion, and the first material cutting portion and the second material cutting portion located on the same side are arranged at intervals in the front-back direction.
9. The method of manufacturing an electrical connector of claim 7, wherein: in the S1 step, the space of stepping down has two at least, adjacent two the space of stepping down is connected through a connecting wall, each the space of stepping down corresponds at least one along the upper and lower direction first disconnected material portion sets up, first terminal row has adjacent two signal terminal, the projection of connecting wall along the upper and lower direction is located adjacent two signal terminal between the first disconnected material portion.
10. The method of manufacturing an electrical connector of claim 9, wherein: in step S1, each ground terminal has an extension portion connected to the rear end of the second material-breaking portion, the extension portions of the ground terminals of the second terminal row are aligned with the connecting wall along the vertical direction, and plastic is filled between the extension portions and the connecting wall.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538226X | 2019-06-20 | ||
| CN201910538226.XA CN110429414A (en) | 2019-06-20 | 2019-06-20 | Electric connector and its manufacturing method |
| CN201922226097 | 2019-12-11 | ||
| CN2019222260979 | 2019-12-11 |
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| Publication Number | Publication Date |
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| CN111262075A true CN111262075A (en) | 2020-06-09 |
| CN111262075B CN111262075B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010053816.6A Active CN111262075B (en) | 2019-06-20 | 2020-01-17 | Electric connector and manufacturing method thereof |
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| CN (1) | CN111262075B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256695A (en) * | 2021-11-04 | 2022-03-29 | 番禺得意精密电子工业有限公司 | Electrical connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560405A (en) * | 2018-11-28 | 2019-04-02 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109638521A (en) * | 2018-12-15 | 2019-04-16 | 深圳市长盈精密技术股份有限公司 | The positive anti-plug USB socket for having high-frequency transmission performance |
| CN110429414A (en) * | 2019-06-20 | 2019-11-08 | 番禺得意精密电子工业有限公司 | Electric connector and its manufacturing method |
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2020
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560405A (en) * | 2018-11-28 | 2019-04-02 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109638521A (en) * | 2018-12-15 | 2019-04-16 | 深圳市长盈精密技术股份有限公司 | The positive anti-plug USB socket for having high-frequency transmission performance |
| CN110429414A (en) * | 2019-06-20 | 2019-11-08 | 番禺得意精密电子工业有限公司 | Electric connector and its manufacturing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256695A (en) * | 2021-11-04 | 2022-03-29 | 番禺得意精密电子工业有限公司 | Electrical connector |
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