CN112117571A - Board-to-board electric connector combination structure with excellent high-frequency characteristic - Google Patents
Board-to-board electric connector combination structure with excellent high-frequency characteristic Download PDFInfo
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- CN112117571A CN112117571A CN202010969476.1A CN202010969476A CN112117571A CN 112117571 A CN112117571 A CN 112117571A CN 202010969476 A CN202010969476 A CN 202010969476A CN 112117571 A CN112117571 A CN 112117571A
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- socket
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
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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
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Abstract
The invention discloses a board-to-board electric connector combination structure with excellent high-frequency characteristics, which comprises a socket connector and a plug connector; the socket connector comprises a socket rubber core, a plurality of socket terminals and a socket shell; the plug connector comprises a plug rubber core, a plurality of plug terminals and a plug shell; through being provided with socket shell and plug shell to shielding noise interference promotes high frequency performance, and the cooperation is under plug connector and socket connector up-down to inserting the combination state, and this plug shell contacts with socket shell nestification each other, and just from top to bottom with a plurality of socket ground connection solder joints respectively a plurality of plug ground connection solder joints, with providing the shortest ground path, effectively optimizes the high frequency characteristic, satisfies the requirement of high frequency characteristic, makes this product can be applied to in the 5G field well.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a board-to-board electric connector combination structure with excellent high-frequency characteristics.
Background
The board-to-board connector is a connector product with the strongest transmission capability in all connector product types at present, and is mainly applied to industries such as power systems, communication networks, financial manufacturing, elevators, industrial automation, medical equipment, office equipment, household appliances, military manufacturing and the like.
With the popularization and application of the 5G technology, the requirement for the high frequency characteristic of the board-to-board connector is higher and higher, however, due to the defect of the structure design of the existing board-to-board connector, the existing board-to-board connector cannot meet the requirement for the high frequency characteristic and cannot be well applied to the 5G field, and therefore, a scheme needs to be researched to solve the problem.
Disclosure of Invention
In view of the above, the present invention is directed to a board-to-board electrical connector assembly structure with excellent high frequency characteristics, which can effectively solve the problem that the conventional board-to-board connector cannot meet the requirement of high frequency characteristics.
In order to achieve the purpose, the invention adopts the following technical scheme:
a board-to-board electric connector combination structure with excellent high-frequency characteristics comprises a socket connector and a plug connector;
the socket connector comprises a socket rubber core, a plurality of socket terminals and a socket shell; the socket rubber core is provided with a boss, a box dam and an annular slot, and the annular slot is formed between the boss and the box dam; the socket terminals are arranged on the socket rubber core, each socket terminal comprises a socket main body part and a socket welding leg which are integrally formed and connected, the socket main body part is bent to form a clamping groove, the top edges of the two sides of the clamping groove are respectively provided with a contact point, the two contact points respectively protrude out of the two inner side wall surfaces of the annular slot, and the socket welding leg extends out of the socket rubber core; the socket shell fully covers the socket rubber core, the top of the socket shell is provided with a socket jack, the boss and the annular slot are exposed in the socket jack, and the periphery of the bottom of the socket shell extends to form a plurality of socket grounding welding spots which are in welding conduction with the socket PCB;
the plug connector comprises a plug rubber core, a plurality of plug terminals and a plug shell; the plug rubber core is provided with a groove and a convex ring, the groove is matched with the boss, the boss is embedded into the groove, the convex ring is formed at the periphery of the groove and is matched with the annular slot, and the convex ring is inserted into the annular slot; the plug terminals are arranged on the plug rubber core, each plug terminal comprises a plug main body part and a plug welding leg which are integrally connected, the plug main body part is bent to form an inverted U-shaped structure, two side surfaces of the plug main body part are contact surfaces and respectively expose two inner and outer side surfaces of the convex ring, the two contact surfaces are respectively in contact conduction with the two contact surfaces, and the plug welding leg extends out of the plug rubber core; the plug shell fully covers the plug rubber core, the top of the plug shell is provided with a plug socket, the groove and the convex ring are exposed in the plug socket, and the periphery of the bottom of the plug shell extends to form a plurality of plug grounding welding spots which are in welding conduction with the plug PCB;
under the up-down opposite-insertion combined state of the plug connector and the socket connector, the plug shell and the socket shell are mutually nested and contacted, and the plurality of plug grounding welding spots are respectively opposite to the plurality of socket grounding welding spots up and down;
positioning grooves are concavely arranged on the surfaces of the left end and the right end of the dam, the left end and the right end of the convex ring are integrally connected with a base part through positioning parts, the two positioning parts are respectively matched with the two positioning grooves and embedded into the positioning grooves for positioning, fixing holes are concavely arranged at each edge of the surface of the dam, a plurality of fixing feet are bent downwards and extended from the edge of the inner side of the socket shell, and the fixing feet are respectively inserted into the corresponding fixing holes from top to bottom for fixing; the socket grounding welding spots are uniformly distributed at the peripheral edge of the socket shell at intervals, and correspondingly, the plug grounding welding spots are also uniformly distributed at the peripheral edge of the plug shell at intervals.
As a preferred scheme, the bottom width of socket main part is greater than the top width, and the bottom of socket rubber core is concave to be equipped with the mounting groove, and this socket terminal inlays fixedly in the mounting groove.
As a preferred scheme, the front side surface and the rear side surface of the socket shell are respectively provided with a plurality of convex points which are arranged at intervals in a protruding mode, and each convex point is abutted against the inner side wall surface of the plug shell to be in contact conduction.
As a preferred scheme, a socket gap convenient for checking the planeness of the socket welding feet is formed between two adjacent socket grounding welding spots, the socket gap is opposite to the socket welding feet, and the socket grounding welding spots are staggered with the socket welding feet.
As a preferred scheme, a plug notch convenient for inspecting the planeness of the plug welding leg is formed between two adjacent plug grounding welding points, the plug notch is opposite to the plug welding leg, and the plug grounding welding points are staggered with the plug welding leg.
As a preferred scheme, the socket shell is an integrated structure formed by stamping and bending a metal sheet, and the inner side wall surfaces of the bending connection parts of the socket shell are provided with socket pre-folding lines.
As a preferred scheme, the plug shell is an integrated structure formed by stamping and bending metal sheets, and the inner side wall surfaces of the bending connection parts of the plug shell are provided with plug pre-folding lines.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
through being provided with socket shell and plug shell to shielding noise interference promotes high frequency performance, and the cooperation is under plug connector and socket connector up-down to inserting the combination state, and this plug shell contacts with socket shell nestification each other, and just from top to bottom with a plurality of socket ground connection solder joints respectively a plurality of plug ground connection solder joints, with providing the shortest ground path, effectively optimizes the high frequency characteristic, satisfies the requirement of high frequency characteristic, makes this product can be applied to in the 5G field well.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 2 is an assembled perspective view of another angle of the preferred embodiment of the present invention;
FIG. 3 is an exploded view of the preferred embodiment of the present invention;
FIG. 4 is an exploded view from another angle of the preferred embodiment of the present invention;
FIG. 5 is a partial assembly view of the preferred embodiment of the present invention;
FIG. 6 is a partial assembled view from another angle of the preferred embodiment of the present invention;
FIG. 7 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 8 is a front view of the preferred embodiment of the present invention in an assembled state;
FIG. 9 is a schematic view of the receptacle housing in a horizontally expanded state before assembly on the left and right sides in accordance with the preferred embodiment of the present invention;
FIG. 10 is a view of the socket housing after being assembled and bent in accordance with the preferred embodiment of the present invention;
FIG. 11 is an assembled perspective view of the socket connector according to the preferred embodiment of the present invention;
FIG. 12 is an enlarged schematic view of the receptacle terminal in the preferred embodiment of the present invention;
FIG. 13 is an enlarged schematic view of a plug connector in accordance with a preferred embodiment of the present invention;
FIG. 14 is a front view of the plug connector in accordance with the preferred embodiment of the present invention;
FIG. 15 is a top plan view of the preferred embodiment of the present invention with the plug housing unbent;
FIG. 16 is a cross-sectional view of the plug housing in the preferred embodiment of the present invention before it is bent;
figure 17 is a cross-sectional view of the plug housing after bending in the preferred embodiment of the present invention;
FIG. 18 is a graph of the near end crosstalk test of the present product in accordance with the preferred embodiment of the present invention;
FIG. 19 is a graph of the cross talk test performed on a conventional product according to the preferred embodiment of the present invention;
FIG. 20 is a graph of the far end crosstalk test of the present product in accordance with the preferred embodiment of the present invention;
FIG. 21 is a graph of far end crosstalk testing performed on a conventional product in accordance with a preferred embodiment of the present invention.
The attached drawings indicate the following:
10. socket connector 11 and socket rubber core
111. Boss 112, box dam
113. Annular slot 114, positioning groove
115. Mounting groove 116, fixing hole
12. Socket terminal 121 and socket body
122. Socket welding leg 131 and socket jack
132. Socket ground pad 133, fixing pin
134. Bump 135 and socket gap
136. Socket pre-broken line 101 and clamping groove
102. Contact 20, plug connector
21. Plug rubber core 211 and groove
212. Convex ring 213 and positioning part
214. Base part 22 and plug terminal
221. Plug body 222 and plug leg
23. Plug shell 231, plug socket
232. Plug grounding welding spot 233 and plug notch
234. Plug pre-broken line 201 and contact surface
30. Socket PCB 31, socket pad
40. Plug PCB 41, plug pads.
Detailed Description
Referring to fig. 1 to 17, a specific structure of a preferred embodiment of the present invention is shown, which includes a receptacle connector 10 and a plug connector 20.
The socket connector 10 includes a socket core 11, a plurality of socket terminals 12 and a socket housing 13.
The socket core 11 has a boss 111, a dam 112 and an annular slot 113, the annular slot 113 is formed between the boss 111 and the dam 112; in this embodiment, the left and right end surfaces of the dam 112 are each concavely provided with a positioning groove 114, the bottom of the socket rubber core 11 is concavely provided with a mounting groove 115, and each corner of the surface of the dam 112 is concavely provided with a fixing hole 116.
The plurality of socket terminals 12 are arranged on the socket rubber core 11, each socket terminal 12 comprises a socket main body part 121 and a socket welding foot 122 which are integrally formed and connected, the socket main body part 121 is bent to form a clamping groove 101, the top edges of two sides of the clamping groove 101 are respectively provided with a contact point 102, the two contact points 102 respectively protrude out of two inner side wall surfaces of the annular slot 113, and the socket welding foot 122 extends out of the socket rubber core 11; in this embodiment, the bottom width of socket main part 121 is greater than the top width, and the assembly of being convenient for is guided and characteristic impedance adjustment, and this socket terminal 12 inlays in mounting groove 115 fixedly, avoids socket main part 121 partial deviation annular slot 113 lateral wall, and the terminal kneels pin risk when reducing public mother simultaneously, and these a plurality of socket terminals 12 are two rows of arranging around being.
The socket housing 13 fully covers the socket rubber core 11, the top of the socket housing 13 has a socket receptacle 131, the boss 111 and the annular slot 113 are exposed in the socket receptacle 131, and a plurality of socket ground pads 132 are extended from the bottom periphery of the socket housing 13 and are electrically connected to the socket PCB 30. In this embodiment, the plurality of socket ground pads 132 are uniformly arranged at the periphery of the socket housing 13 at intervals to increase the strength of the solder plate, the inner edge of the socket housing 13 is bent downward to extend a plurality of fixing pins 133, the plurality of fixing pins 133 are respectively inserted into the corresponding fixing holes 116 from top to bottom for fixing, so that the socket housing 13 and the socket core 11 are stably combined, and the front side and the rear side of the socket housing 13 are both provided with a plurality of bumps 134 arranged at intervals in an outward protruding manner; a socket gap 135 convenient for checking the flatness of the socket welding foot 122 is formed between every two adjacent socket grounding welding points 132, the socket gap 135 is opposite to the socket welding foot 122, and the socket grounding welding points 132 are staggered with the socket welding foot 122; in addition, socket shell 13 is the integral type structure that adopts the sheetmetal to bend through the punching press and form, and the inside wall face of its junction of bending all is provided with socket broken line 136 in advance, is convenient for bend to utilize socket shell 13 all-round cladding socket rubber core 11, avoid public female matching damage rubber core, match the direction simultaneously and prevent that the plastic separates with the shell behind the welded plate.
The plug connector 20 includes a plug core 21, a plurality of plug terminals 22, and a plug housing 23.
The plug rubber core 21 is provided with a groove 211 and a convex ring 212, the groove 211 is matched with the boss 111, the boss 111 is embedded into the groove 211, the convex ring 212 is formed on the periphery of the groove 211 and is matched with the annular slot 113, and the convex ring 212 is inserted into the annular slot 113, so that the risk of vibration instantaneous interruption is reduced; in this embodiment, the left and right ends of the protruding ring 212 are integrally connected to a base 214 through a positioning portion 213, and the two positioning portions 213 are respectively matched with the two positioning slots 114 and are embedded into the positioning slots 114 for positioning.
The plurality of plug terminals 22 are arranged on the plug rubber core 21, each plug terminal 22 comprises a plug main body portion 221 and a plug leg 222 which are integrally formed and connected, the plug main body portion 221 is bent to form an inverted U-shaped structure, two side surfaces of the plug main body portion 221 are contact surfaces 201 and expose two inner and outer side surfaces of the convex ring 212 respectively, the two contact surfaces 201 are in contact conduction with the two contact points 102 respectively, the contact stability is good, and the plug leg 222 extends out of the plug rubber core 21.
The plug housing 23 fully covers the plug rubber core 21, the top of the plug housing 23 has a plug socket 231, the groove 211 and the protruding ring 212 are exposed in the plug socket 231, and a plurality of plug ground pads 232 which are soldered and conducted with the plug PCB40 extend from the bottom periphery of the plug housing 23. In the present embodiment, the plurality of plug ground pads 232 are also uniformly arranged at intervals on the peripheral edge of the plug housing 23, so as to increase the strength of the welding plate; a plug notch 233 convenient for inspecting the flatness of the plug leg 222 is formed between two adjacent plug ground welding spots 232, the plug notch 233 is over against the plug leg 222, and the plug ground welding spots 232 are staggered with the plug leg 222; and the plug shell 23 is an integral structure formed by stamping and bending metal sheets, and the inner side wall surfaces of the bending connection parts are provided with plug pre-folding lines 234.
In the up-down opposite-insertion combined state of the plug connector 20 and the receptacle connector 10, the plug housing 23 and the receptacle housing 13 are nested and contacted with each other, and the plurality of plug ground pads 232 are respectively opposite to the plurality of receptacle ground pads 132 up and down, so as to provide the shortest ground path, and effectively optimize the high-frequency characteristic.
Detailed description the assembly process of this embodiment is as follows:
in assembling the receptacle connector 10, first, the plurality of receptacle terminals 12 are formed by punching and bending, then the plurality of receptacle terminals 12 are mounted on the receptacle plastic core 11, the plurality of receptacle terminals 12 are mounted on the receptacle plastic core 11 by means of insertion or insert molding, and then the receptacle housing 13 is assembled on the receptacle plastic core 11.
In assembling the plug connector 20, first, the plurality of plug terminals 22 are formed by punching and bending, then the plurality of plug terminals 22 are provided on the plug rubber 21, the plurality of plug terminals 22 can be provided on the plug rubber 21 by means of insertion or insert molding, and then the plug housing 23 is assembled on the plug rubber 21.
When in use, the socket connector 10 is placed on the socket PCB30, and the socket welding feet 122 and the socket grounding welding points 132 are respectively welded and conducted with the corresponding socket welding pads 31 on the socket PCB 30; placing the plug connector 20 on the plug PCB40, and enabling each plug solder leg 222 and each plug ground solder joint 232 to be respectively soldered and conducted with the corresponding plug solder pad 41 on the plug PCB 40; then, the plug connector 20 and the receptacle connector 10 are vertically combined, and after being inserted into place, each contact point 102 is in contact conduction with the corresponding contact surface 201, and each bump 134 is in contact conduction against the inner side wall surface of the plug housing 23.
The product was tested and analyzed in comparison with conventional products for near-end crosstalk (i.e., NEXT (S31) @10GHz [ dB ], standard < 45 dB) and far-end crosstalk (i.e., FEXT (S41) @10GHz [ dB ], standard < 45 dB): as shown in fig. 18 and 19, which are graphs generated after the near-end crosstalk test of the product and the conventional product, respectively, it can be seen from fig. 19 that the test value of the conventional product is maintained at-43.7 dB, which does not meet the standard requirement of < 45dB, and the high-frequency characteristic is poor, and it can be seen from fig. 18 that the test value of the product is-58.2 dB, which completely meets the standard requirement, and the high-frequency characteristic is excellent; as shown in fig. 20 and 21, which are graphs generated after the far-end crosstalk test of the product and the conventional product, respectively, it can be seen from fig. 21 that the test value of the conventional product is maintained at-43.3 dB, which does not meet the standard requirement of < 45dB, and the high-frequency characteristic is poor, and it can be seen from fig. 20 that the test value of the product is-60.0 dB, which completely meets the standard requirement, and the high-frequency characteristic is excellent. Therefore, tests show that the product has very obvious effect of improving the high-frequency characteristics.
The design of the invention is characterized in that: through being provided with socket shell and plug shell to shielding noise interference promotes high frequency performance, and the cooperation is under plug connector and socket connector up-down to inserting the combination state, and this plug shell contacts with socket shell nestification each other, and just from top to bottom with a plurality of socket ground connection solder joints respectively a plurality of plug ground connection solder joints, with providing the shortest ground path, effectively optimizes the high frequency characteristic, satisfies the requirement of high frequency characteristic, makes this product can be applied to in the 5G field well.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. A board-to-board electric connector composite structure with excellent high-frequency characteristics is characterized in that: comprises a socket connector and a plug connector;
the socket connector comprises a socket rubber core, a plurality of socket terminals and a socket shell; the socket rubber core is provided with a boss, a box dam and an annular slot, and the annular slot is formed between the boss and the box dam; the socket terminals are arranged on the socket rubber core, each socket terminal comprises a socket main body part and a socket welding leg which are integrally formed and connected, the socket main body part is bent to form a clamping groove, the top edges of the two sides of the clamping groove are respectively provided with a contact point, the two contact points respectively protrude out of the two inner side wall surfaces of the annular slot, and the socket welding leg extends out of the socket rubber core; the socket shell fully covers the socket rubber core, the top of the socket shell is provided with a socket jack, the boss and the annular slot are exposed in the socket jack, and the periphery of the bottom of the socket shell extends to form a plurality of socket grounding welding spots which are in welding conduction with the socket PCB;
the plug connector comprises a plug rubber core, a plurality of plug terminals and a plug shell; the plug rubber core is provided with a groove and a convex ring, the groove is matched with the boss, the boss is embedded into the groove, the convex ring is formed at the periphery of the groove and is matched with the annular slot, and the convex ring is inserted into the annular slot; the plug terminals are arranged on the plug rubber core, each plug terminal comprises a plug main body part and a plug welding leg which are integrally connected, the plug main body part is bent to form an inverted U-shaped structure, two side surfaces of the plug main body part are contact surfaces and respectively expose two inner and outer side surfaces of the convex ring, the two contact surfaces are respectively in contact conduction with the two contact surfaces, and the plug welding leg extends out of the plug rubber core; the plug shell fully covers the plug rubber core, the top of the plug shell is provided with a plug socket, the groove and the convex ring are exposed in the plug socket, and the periphery of the bottom of the plug shell extends to form a plurality of plug grounding welding spots which are in welding conduction with the plug PCB;
under the up-down opposite-insertion combined state of the plug connector and the socket connector, the plug shell and the socket shell are mutually nested and contacted, and the plurality of plug grounding welding spots are respectively opposite to the plurality of socket grounding welding spots up and down;
positioning grooves are concavely arranged on the surfaces of the left end and the right end of the dam, the left end and the right end of the convex ring are integrally connected with a base part through positioning parts, the two positioning parts are respectively matched with the two positioning grooves and embedded into the positioning grooves for positioning, fixing holes are concavely arranged at each edge of the surface of the dam, a plurality of fixing feet are bent downwards and extended from the edge of the inner side of the socket shell, and the fixing feet are respectively inserted into the corresponding fixing holes from top to bottom for fixing; the socket grounding welding spots are uniformly distributed at the peripheral edge of the socket shell at intervals, and correspondingly, the plug grounding welding spots are also uniformly distributed at the peripheral edge of the plug shell at intervals.
2. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: the bottom width of socket main part is greater than the top width, and the concave mounting groove that is equipped with in bottom of core is glued to the socket, and this socket terminal inlays fixedly in the mounting groove.
3. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: the front side and the rear side of the socket shell are respectively provided with a plurality of convex points which are arranged at intervals in an outwards protruding mode, and each convex point is abutted against the inner side wall surface of the plug shell to be in contact conduction.
4. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: a socket gap convenient for checking the flatness of the socket welding feet is formed between every two adjacent socket grounding welding points, the socket gap is opposite to the socket welding feet, and the socket grounding welding points are staggered with the socket welding feet.
5. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: a plug gap convenient for detecting the planeness of the plug welding leg is formed between every two adjacent plug grounding welding points, the plug gap is opposite to the plug welding leg, and the plug grounding welding points are staggered with the plug welding leg.
6. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: the socket shell is of an integrated structure formed by bending a metal sheet through stamping, and the inner side wall surfaces of the bending connection parts of the socket shell are provided with socket pre-folding lines.
7. The board-to-board electrical connector assembly structure excellent in high frequency characteristics according to claim 1, characterized in that: the plug shell is of an integrated structure formed by bending metal sheets through stamping, and the inner side wall surfaces of the bending connection parts of the plug shell are provided with plug pre-folding lines.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969476.1A CN112117571A (en) | 2020-09-15 | 2020-09-15 | Board-to-board electric connector combination structure with excellent high-frequency characteristic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969476.1A CN112117571A (en) | 2020-09-15 | 2020-09-15 | Board-to-board electric connector combination structure with excellent high-frequency characteristic |
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| CN112117571A true CN112117571A (en) | 2020-12-22 |
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| CN110504565A (en) * | 2018-05-18 | 2019-11-26 | 富士康(昆山)电脑接插件有限公司 | Electric connector and its docking connector |
| CN110932002A (en) * | 2018-08-30 | 2020-03-27 | 富士康(昆山)电脑接插件有限公司 | Electric connector and butting connector thereof |
| CN110444932A (en) * | 2019-07-26 | 2019-11-12 | 深圳市信维通信股份有限公司 | Board to board connector |
| CN210744253U (en) * | 2019-09-02 | 2020-06-12 | 昆山雷匠通信科技有限公司 | Board-to-board plug, socket and assembly thereof |
| CN111029858A (en) * | 2019-12-13 | 2020-04-17 | 瑞声精密制造科技(常州)有限公司 | A kind of interface unit |
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