CN109216980B - High-speed socket electric connector - Google Patents
High-speed socket electric connector Download PDFInfo
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- CN109216980B CN109216980B CN201811126202.5A CN201811126202A CN109216980B CN 109216980 B CN109216980 B CN 109216980B CN 201811126202 A CN201811126202 A CN 201811126202A CN 109216980 B CN109216980 B CN 109216980B
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- 239000012212 insulator Substances 0.000 claims abstract description 58
- 210000001503 joint Anatomy 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 28
- 238000003032 molecular docking Methods 0.000 description 20
- 238000003466 welding Methods 0.000 description 8
- 230000013011 mating Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 229910000679 solder Inorganic materials 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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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
-
- 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
- H01R13/42—Securing in a demountable manner
-
- 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
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4367—Insertion of locking piece from the rear
- H01R13/4368—Insertion of locking piece from the rear comprising a temporary and a final locking position
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
-
- 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
- H01R13/6473—Impedance matching
- H01R13/6477—Impedance matching by variation of dielectric properties
Abstract
The embodiment of the application discloses a high-speed socket electric connector which comprises an insulating shell and at least one high-speed terminal module assembled and fixed in the insulating shell. The insulating housing is provided with a butt joint slot for a butt joint connector to be inserted and an inserting port is formed at the front end position, the high-speed terminal module comprises a plurality of terminals which are arranged in a row in the left-right direction and insulators which are integrally fixed with the plurality of terminals, each terminal comprises a fixing part which is at least partially embedded and fixed in a corresponding insulator, one row of terminals in the high-speed terminal module comprises at least one pair of high-speed terminals and grounding terminals which are positioned at two sides of the at least one pair of high-speed terminals, the front end position of the fixing part of the at least one pair of high-speed terminals is designed to be in a special-shaped form which extends in a non-linear manner in the front-rear direction, and the surface of one side of the front end position of the corresponding insulator, which is far away from the butt joint slot, is designed to be in a shape which is synchronous with the bending trend and radian of the special-shaped structure of the corresponding terminal, so as to improve characteristic impedance.
Description
Technical Field
The embodiment of the application relates to the field of communication transmission, in particular to a high-speed socket electric connector.
Background
Prior art QSFP-DD (Quad Small Form-factor Pluggable DoubleDensity), SFP-DD (Small Form-factor Pluggable Double Density) modules are provided with a receptacle connector comprising an insulator and four rows of terminals housed within the insulator.
On the 05 month 04 day of 2018, chinese patent publication No. CN107994402a discloses a socket connector, which is disposed on a circuit board and connected with a docking circuit board, and includes an insulating housing, a first terminal module having a row of first terminals, a second terminal module having a row of second terminals, a third terminal module having a row of third terminals, and a fourth terminal module having a row of fourth terminals, where the first terminals, the second terminals, the third terminals, and the fourth terminals are arranged along a vertical direction, the first terminals and the fourth terminals form a first docking port, and the second terminals and the third terminals form a second docking port. The first terminal module, the second terminal module, the third terminal module and the fourth terminal module are assembled to the insulating shell from back to front. The first terminal, the second terminal, the third terminal and the fourth terminal are welded on the circuit board.
With the development of SFP connectors, the transmission speed of terminals is continuously improved, and requirements on shielding performance, high-frequency characteristics, characteristic impedance and the like between terminals are also higher and higher, and requirements on the assembly process and overall stability of the connectors are also higher and higher. The existing structure has not been satisfactory in the above characteristics.
In view of this, there is a need to design a new high-speed socket electrical connector to meet the development requirements.
Disclosure of Invention
The present application provides a high-speed socket electrical connector, wherein each terminal module of the high-speed socket electrical connector is stably assembled and held with an insulating housing, and the high-speed socket electrical connector has a stable overall structure.
In order to achieve the above object, the present design provides a high-speed socket electrical connector, comprising an insulating housing and at least one high-speed terminal module assembled and fixed in the insulating housing, wherein the insulating housing is provided with a docking slot for a docking connector to be inserted into and forms a docking port at a front end position, the high-speed terminal module comprises a plurality of terminals arranged in rows in a left-right direction and insulators integrally fixed with the plurality of terminals, each terminal comprises a fixing part at least partially embedded and fixed in the corresponding insulator, an elastic arm connected with the front end of the fixing part and protruding forwards out of the corresponding insulator, and a docking part directly or indirectly connected with the rear end of the fixing part and corresponding to be docked with a circuit board, the front end position of the elastic arm is formed with a contact part which correspondingly protrudes into the butt joint slot and is used for being in contact with the butt joint connector, a row of terminals in the high-speed terminal module comprises at least one pair of high-speed terminals and grounding terminals positioned on two sides of the at least one pair of high-speed terminals, the front end position of the fixing part of the at least one pair of high-speed terminals is designed into a bending structure which is bent into the butt joint slot, the front end of one side surface of the insulator, which is far away from the butt joint slot, is correspondingly provided with a matching surface, and the matching surface is designed to be parallel to one side surface of the bending structure, which is far away from the butt joint slot, of the corresponding terminal.
Further, the front end position of the insulator of the high-speed terminal module protrudes inwards of the butt joint slot to form a thickened part, and the matching surface is formed by the surface of one side of the thickened part far away from the butt joint slot.
Further, the high-speed socket electric connector comprises a first terminal module, a second terminal module, a third terminal module and a fourth terminal module which are assembled and fixed in the insulating shell, wherein the first terminal module and/or the fourth terminal module is the high-speed terminal module, the insulating shell comprises two side walls which are oppositely arranged in the left-right direction, a top wall which is connected with the upper edges of the two side walls and a bottom wall which is connected with the lower edges of the two side walls, the front end positions of the two side walls, the top wall and the bottom wall are jointly enclosed to form an inserting port, the first terminal module comprises a plurality of first terminals which are arranged in rows in the left-right direction and a first insulator which is integrally fixed with the plurality of first terminals, the second terminal module comprises a plurality of second terminals which are arranged in rows in the left-right direction and a second insulator which is integrally fixed with the plurality of second terminals, the third terminal module comprises a plurality of third terminals arranged in a row in the left-right direction and a third insulator integrally fixed with the plurality of third terminals, the fourth terminal module comprises a plurality of fourth terminals arranged in a row in the left-right direction and a fourth insulator integrally fixed with the plurality of fourth terminals, the first terminal module, the second terminal module, the third terminal module and the fourth terminal module are respectively stacked in the up-down direction, the contact parts of the plurality of second terminals are arranged in a row in the left-right direction, the contact parts of the plurality of third terminals are arranged in a row in the left-right direction, the contact parts of the row of second terminals correspond to the contact parts of the row of third terminals in the up-down direction and are arranged at intervals, the contact parts of the row of second terminals are positioned at the lower side position of the socket, the contact parts of the row of third terminals are positioned at the upper side position of the socket, the contact parts of the first terminals are arranged in a row in the left-right direction, the contact parts of the fourth terminals are arranged in a row in the left-right direction, the contact parts of the first terminals and the contact parts of the fourth terminals in a row are arranged correspondingly and at intervals in the up-down direction, the contact parts of the first terminals in a row are positioned at the lower side position of the socket, the contact parts of the fourth terminals in a row are positioned at the upper side position of the socket, the contact parts of the first terminals in a row and the contact parts of the fourth terminals in a row form a first butt joint port, the contact parts of the second terminals in a row and the contact parts of the third terminals in a row form a second butt joint port, the first butt joint port is positioned at the front end of the second butt joint port, the front end of the fixing part of each fourth terminal forms the bent structure, and the front end position of the fourth insulator is far away from at least partial position of one side surface of the butt joint socket forms the matching surface.
Further, the thickened portions are formed at the front end positions of the first insulator and the fourth insulator.
Further, the thickened portion is recessed in a direction away from the butt joint slot on one side surface of the butt joint slot, the terminal accommodating grooves are formed by a plurality of terminal accommodating grooves which are arranged at intervals in the left-right direction, and each terminal accommodating groove is communicated with the butt joint slot in the up-down direction and is opened backwards.
Further, the high-speed terminal module comprises ten terminals, a ground terminal, a pair of high-speed terminals, a ground terminal, a pair of non-high-speed terminals, a ground terminal, a pair of high-speed terminals and a ground terminal are arranged from left to right in sequence, the insulator of the high-speed terminal module is provided with a reinforcing rib part at a position between the pair of non-high-speed terminals, the reinforcing rib part continuously extends to the rear end position of the insulator from the front end position of the insulator, and the thickened part of the high-speed terminal module is far away from the area except the reinforcing rib part on one side surface of the butt joint slot to form the matching surface.
Further, the upper parts of the rear end positions of the two side walls of the insulating shell are in an opening shape, the first terminal module, the second terminal module and the third terminal module are assembled and fixed to the insulating shell from back to front, and the first terminal module is assembled and fixed to the insulating shell from top to bottom.
Further, the high-speed socket electric connector further comprises a top cover plate, wherein the top cover plate is located above the first terminal module, the second terminal module, the third terminal module and the fourth terminal module, and the top cover plate is fixed at an opening position above the rear end position of the side wall of the insulating shell.
Further, ten terminals are arranged on any one row of terminals, and each row of terminals comprises four grounding terminals and three pairs of signal terminals which are respectively arranged between two adjacent grounding terminals in pairs.
Further, the high-speed socket electric connector further comprises a metal piece, wherein fixing grooves are formed in the inner wall surface of each side wall, each fixing groove penetrates through the rear end surface of each side wall and extends forwards, and the metal piece is correspondingly inserted into the fixing groove from back to front and is fixed in the fixing groove and abuts against at least one insulator.
Compared with the prior art, the embodiment of the application has the following beneficial effects: the front end local positions of the first insulator and the fourth insulator are provided with thickened parts for forming the head parts of the contact parts of the terminals matched with the terminal yielding grooves; the upper surface of the thickened part of the fourth insulator is designed to be synchronous with the bending trend and radian of the terminal and is used for improving characteristic impedance.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the embodiments of the application. In the drawings:
FIG. 1 is a perspective view of a high-speed receptacle electrical connector of the present design;
FIG. 2 is a schematic perspective view of the high-speed receptacle electrical connector of FIG. 1 from another perspective;
fig. 3 is a partially exploded perspective view of the high-speed receptacle electrical connector of the present design, showing a schematic perspective view of the top cover plate separated from the insulative housing;
fig. 4 is a partially exploded perspective view of the high-speed receptacle electrical connector of the present design, showing a perspective view of the top cover plate and the fourth terminal module separated from the insulative housing;
fig. 5 is a partially exploded perspective view of the high-speed socket electrical connector of the present design, which shows a perspective view of the top cover plate, the fourth terminal module, the third terminal module, the second terminal module and the metal member separated from the insulating housing, wherein the third terminal module, the second terminal module and the metal member are further shown in a state diagram when assembled;
fig. 6 is a partially exploded perspective view of the high-speed socket electrical connector of the present design, showing a perspective view of the top cover plate, the fourth terminal module, the third terminal module, the second terminal module and the metal piece separated from the insulating housing;
fig. 7 is a partially exploded perspective view of the high-speed socket electrical connector of the present design, showing a perspective view of the top cover plate, the fourth terminal module, the third terminal module, the second terminal module, the first terminal module and the metal member separated from the insulating housing;
FIG. 8 is an exploded perspective view of the high speed socket electrical connector of FIG. 7 from another perspective, showing a top cover plate, a fourth terminal module, a third terminal module, a second terminal module, a first terminal module and a metal piece separated from an insulating housing;
fig. 9 is a side view of the high-speed socket electrical connector of the present design, showing a state diagram of the fourth terminal module, the third terminal module, the second terminal module, and the first terminal module assembled, and further, the metal piece is separated from the terminal module corresponding to the insulating housing;
FIG. 10 is a cross-sectional view of the high speed receptacle electrical connector of the present design taken from line A-A of FIG. 1;
fig. 11 is a cross-sectional view of the high speed receptacle electrical connector of the present design taken along line B-B of fig. 1 in a position between the rightmost ground terminal and the adjacent high speed terminal in the fourth terminal set.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be further noted that, in order to avoid obscuring the present application due to unnecessary details, only structures and/or processing steps closely related to some embodiments of the present application are shown in the drawings, while other details not greatly related to some embodiments of the present application are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," "has," "having," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
For the sake of accuracy, reference is made herein to fig. 1 for all references to directions, wherein the extending direction of the X-axis is the left-right direction (where the positive direction of the X-axis is the front-right direction), the extending direction of the Y-axis is the front-back direction (where the negative direction of the Y-axis is the front), and the extending direction of the Z-axis is the up-down direction (where the positive direction of the Z-axis is the up).
For convenience of description, the vertical, horizontal, front and rear directions in the present application are relative positions, and are not limited by the implementation.
Referring to fig. 1 to 11, the present design discloses a high-speed socket electrical connector 100, which includes an insulating housing 5, a first terminal module 1, a second terminal module 2, a third terminal module 3, a fourth terminal module 4, a top cover plate 6 and a metal member 7 fixed in the insulating housing 5. The insulating housing 5 includes two side walls 51 oppositely disposed in the left-right direction, a top wall 52 connected to the upper edges of the two side walls 51, and a bottom wall 53 connected to the lower edges of the two side walls 51, the insulating housing 5 is provided with a docking slot 50, and the front end positions of the two side walls 51, the top wall 52, and the bottom wall 53 together enclose to form an interface 501.
Referring to fig. 3 to 8, the insulating housing 5 has an opening above the rear end of the two side walls 51, and first mounting grooves 511 are formed on opposite inner surfaces (not labeled) of the two side walls 51 near the lower edge and are recessed inward, and each first mounting groove 511 is formed by extending forward through the rear end surface of each side wall 51. The opposite inner surfaces of the two side walls 51 are respectively recessed inwardly above the first mounting grooves 511 to form second mounting grooves 512, and each second mounting groove 512 is respectively formed to extend forward through the rear end surface of each side wall 51. The first mounting groove 511 and the second mounting groove 512 on the same side wall 51 are spaced apart in the up-down direction and are arranged in parallel. The two opposite upper and lower groove surfaces of each second mounting groove 512 are respectively recessed inward to form a fixing groove 5121, each fixing groove 5121 respectively penetrates through the rear end surface of each side wall 51 and extends forward, and the metal piece 7 is correspondingly inserted and fixed into the fixing groove 5121 from back to front.
Referring to fig. 3 to 8, two fourth mounting grooves 514 extending in the up-down direction are formed on opposite inner surfaces of the two side walls 51 in an inward recessed manner, and the fourth mounting grooves 514 penetrate through top surfaces of the side walls 51 and are located above the second mounting grooves 512, respectively. The two fourth mounting grooves 514 on the same side wall 51 are spaced apart in the front-rear direction and are arranged in parallel. A fifth mounting groove 515 extending in the front-rear direction is formed in a recessed manner above the inner surfaces of the two opposite side walls 51, the fifth mounting groove 515 penetrates the rear end surfaces of the side walls 51 and is located above the second mounting groove 512, the fifth mounting groove 515 on the same side wall 51 is communicated with the corresponding two fourth mounting grooves 514, and the fifth mounting groove 515 and the second mounting groove 512 on the same side wall 51 are arranged in parallel at intervals in the up-down direction.
The opposite inner surfaces of the two side walls 51 are respectively recessed inward to form a limiting groove 516 extending in the vertical direction, the limiting grooves 516 respectively penetrate through the top surfaces of the side walls 51 and are positioned behind the fourth mounting groove 514, and the limiting grooves 516 on the same side wall 51 are communicated with the corresponding second mounting groove 512 and fifth mounting groove 515.
Referring to fig. 4 to 8, the first terminal module 1 includes a plurality of first terminals 11 arranged in a row in a left-right direction and a first insulator 12 integrally fixed with the plurality of first terminals 11, the second terminal module 2 includes a plurality of second terminals 21 arranged in a row in the left-right direction and a second insulator 22 integrally fixed with the plurality of second terminals 21, the third terminal module 3 includes a plurality of third terminals 31 arranged in a row in the left-right direction and a third insulator 32 integrally fixed with the plurality of third terminals 31, and the fourth terminal module 4 includes a plurality of fourth terminals 41 arranged in a row in the left-right direction and a fourth insulator 42 integrally fixed with the plurality of fourth terminals 41.
In the present design, the third terminal module 3 and the fourth terminal module 4 are high-speed terminal modules; the first terminal module 1 and the second terminal module 2 are non-high speed terminal modules. And any one row of terminals is provided with ten terminals, and each row of terminals comprises four grounding terminals and three pairs of signal terminals which are respectively positioned between two adjacent grounding terminals in pairs. The row of third terminals 31 and the row of fourth terminals 41 are arranged with one ground terminal a, a pair of high-speed terminals B, one ground terminal a, a pair of non-high-speed terminals C, one ground terminal a, a pair of high-speed terminals B, and one ground terminal a in order from left to right. In addition, three pairs of signal terminals in the row of first terminals 11 and the row of second terminals 21 are all non-high-speed terminals. The high-speed terminal is used for transmitting high-speed signals.
Referring to fig. 11, each of the terminals includes a fixing portion 101 at least partially embedded in a corresponding insulator, an elastic arm 102 connected to a front end of the fixing portion 101 and protruding forward beyond the corresponding insulator, and a mating portion (not numbered) connected to a rear end of the fixing portion 101 and corresponding to a mating portion with a circuit board, wherein a contact portion 1021 for contacting with a mating connector is formed at a front end of the elastic arm 102 and a contact point 1022 is formed. The butt joint part comprises a welding pin 1031 correspondingly fixed with the circuit board and a connecting section 104 for connecting the welding pin 1031 with the fixing part 101.
Referring to fig. 6, 7 and 11, the contact portions 1021 of the rows of terminals are arranged in rows in the left-right direction, the row of contact portions 1021 of the second terminal 21 and the row of contact portions 1021 of the third terminal 31 are arranged in correspondence and at intervals in the up-down direction, the row of contact portions 1021 of the second terminal 21 is located at the lower side position of the docking slot 50, and the row of contact portions 1021 of the third terminal 31 is located at the upper side position of the docking slot 50. The row of contact portions 1021 of the first terminal 11 and the row of contact portions 1021 of the fourth terminal 41 are arranged in correspondence with each other in the vertical direction at intervals, the row of contact portions 1021 of the first terminal 11 is located at a lower side position of the docking slot 50, the row of contact portions 1021 of the fourth terminal 41 is located at an upper side position of the docking slot 50, the row of contact portions 1021 of the first terminal 11 and the row of contact portions 1021 of the fourth terminal 41 form a first docking port (not numbered), the row of contact portions 1021 of the second terminal 21 and the row of contact portions 1021 of the third terminal 31 form a second docking port (not numbered), and the first docking port is located at a front end of the second docking port.
Referring to fig. 9, in the up-down direction, the contact points 1022 of the row of contact portions 1021 of the second terminal 21 are higher than the contact points 1022 of the row of contact portions 1021 of the first terminal 11, and the contact points 1022 of the row of contact portions 1021 of the third terminal 31 are lower than the contact points 1022 of the row of contact portions 1021 of the fourth terminal 41. With this configuration, when the interface 501 of the high-speed socket connector 100 is seen in front view, the contact portion 1021 of each row of terminals can be visually observed. After the high-speed socket electrical connector 100 is manufactured into a finished product, the positive position of the contact portion 1021 of each row of terminals is generally detected by a CCD visual detection technique. This design facilitates positive position detection of the terminal contact 1021.
Referring to fig. 6 to 8, the first insulator 12 includes a first body portion 121 fixed to the fixing portions 101 of the plurality of first terminals 11, and a first engaging portion 122 further protruding outward along the left and right sides of the first body portion 121, where the first terminal module 1 is assembled into the insulating housing 5 through guiding the first mounting groove 511 from back to front, and the first engaging portion 122 is correspondingly accommodated in the first mounting groove 511, and the first body portion 121 is correspondingly located between the two side walls 51. The first body 121 is located at two sides of the upper surface of the rear end to form a boss 123. The inner surface of the front end of the first body portion 121 protrudes into the docking slot 50 to form a thickened portion 124, wherein the thickness of the thickened portion 124 in the up-down direction is greater than the thickness of other portions of the first body portion 121, and in addition, the upper surface of the thickened portion 124 is higher than the upper surface of the first body portion 121 in the up-down direction, and the lower surface of the thickened portion 124 is flush with the lower surface of the first body portion 121 (see fig. 7 and 8). The upper surface of the thickened portion 124 is recessed downward to form a plurality of second terminal receiving grooves 120 spaced apart in the left-right direction, and each of the second terminal receiving grooves 120 is opened upward and rearward. The front end of the contact portion 1021 of each second terminal 21 correspondingly protrudes into the second terminal accommodating groove 120. The front end of the second terminal receiving groove 120 is closed by a thickened portion 124.
Referring to fig. 5 to 8, the second insulator 22 includes a second body portion 221 fixed to the fixing portions 101 of the plurality of second terminals 21 and a second engaging portion 222 further protruding outward along the left and right sides of the second body portion 221, and the third insulator 32 includes a third body portion 321 fixed to the fixing portions 101 of the plurality of third terminals 31 and a third engaging portion 322 further protruding outward along the left and right sides of the third body portion 321. At this time, the second body portion 221 and the third body portion 321 are stacked in the up-down direction, the second engaging portion 222 and the third engaging portion 322 are stacked in the up-down direction and are jointly accommodated in the second mounting groove 512, and the second body portion 221 and the third body portion 321 are correspondingly positioned between the two side walls 51. The metal piece 7 is used for limiting the second terminal module 2 and the third terminal module 3, and preventing the second terminal module 2 and the third terminal module 3 from retreating relative to the insulating housing 5 or even separating from the insulating housing 5.
As shown in fig. 5 to 8, a portion of the upper surface of the third body 321 between two ground terminals a on both sides of the pair of high-speed terminals B is recessed downward to form an upper concave portion 3211 for adjusting the characteristic impedance, a portion of the upper concave portion 3211 between the ground terminal a and an adjacent high-speed terminal B inside the upper concave portion 321 is further recessed downward to form an upper concave portion 3212 for adjusting the characteristic impedance, and a protruding portion 3213 for adjusting the characteristic impedance is formed between the two upper concave portions 3212 on both sides of the pair of high-speed terminals by the third body 321, wherein the upper surface of the protruding portion 3213 is flush with the bottom surface of the upper concave portion 3211. A lower recess portion 3214 for adjusting characteristic impedance is formed by upwardly recessing a portion of the lower surface of the third body 321 between the two ground terminals a on both sides of the pair of high-speed terminals B. Of course, the protruding portion 3213 may be formed at a position corresponding to the lower surface of the third body 321. That is, the thickness of the portion between the ground terminal a and the adjacent high-speed terminal B is smaller than the thickness of the portion between the pair of high-speed terminals B in the up-down direction, so that the impedance value between the pair of high-speed terminals B is set to be not more than 110 ohms and not less than 90 ohms.
Referring to fig. 7, 8 and 10, the third body 321 has a reinforcing rib portion 3215 formed at a position between the pair of non-high-speed terminals C. The reinforcement rib portion 3215 is actually a third body portion 321 between the two ground terminals a on both sides of the pair of non-high-speed terminals C. The thickness of the reinforcing rib portion 3215 is not smaller than the thickness of the insulator at other positions in the left-right direction of the reinforcing rib portion 3215. The reinforcing rib portion 3215 extends continuously from a front end position of the third body portion 321 to a rear end position of the third body portion 321. The design of the reinforcing rib portion 3215 can enable the overall strength of the third body portion 321 to be higher, so that the overall stability of the third terminal module 3 is better; in addition, the disposition of the reinforcing bead portions 3215 at the positions of the pair of non-high-speed terminals C can reduce the high-speed signal transmission influence on the adjacent high-speed terminals B.
Referring to fig. 6 in combination with fig. 7, each of the protruding portions 3213 is formed with a complementary protrusion 3216 protruding to two sides on an outer sidewall in a left-right direction, the reinforcing rib portion 3215 is formed with a positioning groove 3217 recessed inward in a left-right direction corresponding to the protrusion, the positioning groove 3217 is used for inserting a mold into the positioning terminal in a process, and the complementary protrusion 3216 is used for matching with the positioning groove 3217 to realize characteristic impedance adjustment, and is also used for fixing the fixing portion 101 of the terminal.
Referring to fig. 4 to 6, after the second terminal module 2 and the third terminal module 3 are completely assembled into the insulating housing 5, the front end of the second body 221 corresponds to the rear end of the first body 121, and the front end edge of the second body 221 corresponds to the rear end of the boss 123 to form a positioning structure between the first terminal module 1 and the second terminal module 2. The design can be used for stopping the position when the second terminal module 2 and the third terminal module 3 are assembled forwards; on the other hand, the second body 221 and the first body 121 overlap each other in the vertical direction, so that the assembly stability of the entire high-speed socket electrical connector 100 can be ensured, and the tolerance of the corresponding injection molding position can be absorbed.
Referring to fig. 7 and 9, in the present design, a positioning mechanism is also disposed between the second terminal module 2 and the third terminal module 3, and the positioning mechanism is specifically composed of a groove 223 formed by downwardly recessing an upper surface of the second body 221 and a protruding column 323 formed by downwardly protruding a corresponding position of a lower surface of the third body 321, which is matched with the groove 223, and the protruding column 323 is inserted into the groove 223 correspondingly to realize preliminary fixing when the second terminal module 2 and the third terminal module 3 are assembled.
Referring to fig. 5 to 8, the fourth insulator 42 includes a fourth body portion 421 fixed to the fixing portions 101 of the plurality of fourth terminals 41, and a pair of fourth engaging portions 422 further protruding outward along the left and right sides of the fourth body portion 421, wherein the fourth terminal module 4 is assembled into the insulating housing 5 through guiding from top to bottom 514, the fourth engaging portions 422 are correspondingly accommodated in the fourth mounting grooves 514, and the fourth body portion 421 is correspondingly located between the two side walls 51.
The upper surface of the fourth body 421 is formed with an upper concave portion 4212 for adjusting the characteristic impedance by being depressed downward at a portion between the ground terminal a and the adjacent high-speed terminal B, and the fourth body 421 is formed with a convex portion 4213 for adjusting the characteristic impedance between the two upper concave portions 4212 on both sides of the pair of high-speed terminals. The lower surface of the fourth body 421 is formed with a lower recess 4214 for adjusting the characteristic impedance by upwardly recessing the portion between the two ground terminals a on both sides of the pair of high-speed terminals B. Of course, the protruding portion 4213 may be formed at a position corresponding to the lower surface of the fourth body 421. That is, the thickness of the portion between the ground terminal a and the adjacent high-speed terminal B is smaller than the thickness of the portion between the pair of high-speed terminals B in the up-down direction, so that the impedance value between the pair of high-speed terminals B is set to be not more than 110 ohms and not less than 90 ohms.
The inner surface of the front end of the fourth body 421 also protrudes into the docking slot 50 to form a thickened portion 425, and a plurality of third terminal accommodating grooves 420 are formed on the lower surface of the thickened portion 425 in an upward recessed manner, and are disposed at intervals in the left-right direction. The third terminal receiving grooves 420 are opened downward and rearward. The front end of the contact portion 1021 of each third terminal 31 correspondingly protrudes into the third terminal accommodating groove 420. The front end of the third terminal receiving groove 420 is closed by a thickening portion 124. The lower surface of the thickened portion 425 is lower than the lower surface of the fourth body portion 421 in the up-down direction.
Referring to fig. 7 and 11, in the present design, the portion of the fourth terminal 41 embedded in the thickened portion 425 is bent into a bent structure into the docking slot 50, a mating surface 4251 is formed on a side surface of the bent structure away from the docking slot 50, and a portion of the upper surface of the thickened portion 425 except for the protruding portion 4213 is designed in parallel with the mating surface 4251, so as to improve the characteristic impedance. Specifically, in this design, the portion of the fourth terminal 41 embedded in the thickened portion 425 is designed to be an arc-shaped structure, and the upper surface of the thickened portion 425 at the corresponding position is designed to be a mating surface 4251 parallel to the arc-shaped structure of the corresponding fourth terminal 41. In other embodiments, the upper surface of the thickened portion 425 may be designed as the mating surface 4251 only at the location of the high-speed terminal B.
Referring to fig. 1, 3 and 4, the top cover 6 is substantially rectangular, and fifth engaging portions 61 are formed at two sides of the top cover 6, the top cover 6 is assembled and fixed into the insulating housing 5 from the back to the front, and the fifth engaging portions 61 are correspondingly accommodated in the fifth mounting grooves 515. The top cover plate 6 is located above the fourth terminal module 4, and is attached to and covers the upper surface of the fourth insulator 42 of the fourth terminal module 4. The top cover plate 6 serves to prevent the fourth terminal module 4 from moving upwards relative to the insulating housing 5 and even out of the insulating housing 5.
Referring to fig. 7, 9 and 11, the connection section 104 of each terminal in the second terminal module 2, the third terminal module 3 and the fourth terminal module 4 includes a horizontal section 1041 extending backward along a horizontal direction and corresponding to the connection with the rear end of the fixing portion 101, and an inclined section 1042 connected with the rear end of the horizontal section 1041 and extending obliquely backward and downward. The lower end of the inclined section 1042 is connected to the welding pin 1031. In this design, the included angle between the horizontal section 1041 and the inclined section 1042 is an obtuse angle. The solder pins 1031 are soldered to the circuit board. In this design, the connection section 104 is only designed with a horizontal section 1041 and an inclined section 1042, so as to shorten the transmission path of each terminal as much as possible, thereby reducing the capacitance effect, obtaining better high-frequency signals, improving the integrity of the electrical signals, and improving the transmission quality.
Referring to fig. 7, 9 and 11, the connection portion between the horizontal segment 1041 and the inclined segment 1042 of each terminal in the third terminal module 3 and the fourth terminal module 4 is defined as a bent portion (not labeled), and the width of the bent portion in the left-right direction is smaller than the width of the terminal portion adjacent to the front end (i.e. the horizontal segment 1041) and/or the rear end (i.e. the inclined segment 1042) of the bent portion, in this arrangement, the terminal is formed by bending a metal plate, so the width of the terminal is the width of the terminal in the left-right direction, although in other embodiments, the terminal may also be designed to be formed by blanking a metal plate, and in this case, the width of the terminal is the width of the terminal fixing portion 101 in the up-down direction. In the design, the bending part is specifically formed by a notch-shaped structure formed by sinking at least one side of the bending part in the left-right direction to the other side. The bending part for preventing the third terminal 31 and the fourth terminal 41 from expanding and widening due to the stamping and bending process, the widened bending part can make the capacitance effect strain big, and the design can effectively reduce the capacitance effect by narrowing the bending part, thereby improving the characteristic impedance. In this design, the third terminal 31 and the fourth terminal 41 have long overall terminal conductive paths, and the third terminal module 3 and the fourth terminal module 4 are high-speed terminal modules, so that the characteristic impedance characteristics are required to be high, and the bending portion is preferably designed to be narrowed. The overall terminal conductive paths of the first terminal 11 and the second terminal 21 are shorter, and the first terminal module 1 and the second terminal module 2 in the design are non-high-speed terminal modules, so that the characteristic impedance characteristic requirement is lower, and the corresponding bending parts are not required to be narrowed.
Referring to fig. 7, 9 and 11, the connection section 104 of each terminal in the first terminal module 1 includes a horizontal section 1041 extending backward along a horizontal direction and connected to the rear end of the fixing portion 101, and a vertical section 1044 connected to the rear end of the horizontal section 1041 and extending vertically downward. The lower end of the vertical section 1044 is connected to the welding pin 1031. In this design, since the transmission path of each terminal in the first terminal module 1 is shortest, the inclined section 1042 is not necessarily designed to shorten the transmission path compared with other sets of terminals, however, in some embodiments, each terminal in the first terminal module 1 may be designed to be similar to other terminals, i.e. the inclined section 1042 is also designed.
Of course, in other embodiments, the horizontal section 1041 of each terminal may not be provided or may be as short as possible. The horizontal segment 1041 is provided in the present design for the purpose of facilitating the injection molding of the rear end position of the fixing portion 101 of each terminal.
Referring to fig. 7, the third insulator 32 of the third terminal set 3 further includes a plate-shaped third insulating block 324, and the third insulating block 324 connects the inclined segments 1032 of the plurality of third terminals 31 together. The third insulation blocks 324 are formed with third limiting portions 3241 protruding outwards from the left and right sides, and the third limiting portions 3241 are inserted from the back to the front and are accommodated in the first mounting grooves 511, so as to position the longer butt joint portions of the first terminals 11 in the up-down direction, and ensure that the welding pins 1031 of a row of the first terminals 11 have a good coplanarity, thereby being beneficial to welding and fixing of the circuit boards.
Referring to fig. 7, the fourth insulator 42 of the fourth terminal module 4 further includes a flat plate-shaped fourth insulating block 424, and the fourth insulating block 424 connects the inclined sections 1032 of the plurality of fourth terminals 41 together. The fourth insulation block 424 is formed with fourth limiting portions 4241 protruding outwards from the left and right sides, and the fourth limiting portions 4241 are respectively inserted from top to bottom and accommodated in the limiting grooves 516, so as to position the longer butt joint portions of the fourth terminals 41 in the front-rear direction, and ensure that the welding pins 1031 of a row of the fourth terminals 41 have better coplanarity, thereby being beneficial to welding and fixing of the circuit board.
In this design, the insulating housing 5, the first insulator 12, the second insulator 22, the third insulator 32, the fourth insulator 42, and the top cover 6 may be collectively referred to as an insulating body.
The above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present application.
Claims (9)
1. A high-speed socket electric connector comprises an insulating shell and at least one high-speed terminal module assembled and fixed in the insulating shell,
the insulating shell is provided with a butt joint slot for inserting a butt joint connector and forms an inserting port at the front end position,
the high-speed terminal module comprises a plurality of terminals arranged in rows in the left-right direction and insulators integrally fixed with the terminals,
each terminal comprises a fixing part at least partially embedded and fixed in a corresponding insulator, an elastic arm connected with the front end of the fixing part and protruding forwards out of the corresponding insulator, and a butting part directly or indirectly connected with the rear end of the fixing part and corresponding to butting with a circuit board, wherein the front end of the elastic arm is provided with a contact part protruding into a butting slot correspondingly for contacting with a butting connector,
the front end of the insulator protrudes towards the side of the butt joint slot to form a thickened part, a plurality of terminal accommodating grooves which are arranged at intervals in the left-right direction are concavely formed on the surface of one side of the thickened part, which is close to the butt joint slot, in the direction away from the butt joint slot, each terminal accommodating groove is communicated with the butt joint slot in the up-down direction and is backwards opened,
the high-speed terminal module comprises at least one pair of high-speed terminals and grounding terminals positioned on two sides of the at least one pair of high-speed terminals,
the method is characterized in that: the front end positions of the fixing parts of at least one pair of high-speed terminals are designed to be arc-shaped bending structures bent into the butt joint slots, the positions of the bending structures of the side surfaces of the thickened parts, which are far away from the butt joint slots, corresponding to the high-speed terminals are provided with matching surfaces, and the matching surfaces are designed to be the same as the bending trend and radian of the side surfaces, which are far away from the butt joint slots, of the bending structures of the corresponding high-speed terminals.
2. The high-speed receptacle electrical connector of claim 1, wherein: the front end position of the insulator of the high-speed terminal module protrudes inwards of the butt joint slot to form a thickened part, and the matching surface is formed by the surface of one side of the thickened part far away from the butt joint slot.
3. The high-speed receptacle electrical connector of claim 2, wherein: the high-speed socket electric connector comprises a first terminal module, a second terminal module, a third terminal module and a fourth terminal module which are assembled and fixed in the insulating shell, wherein the first terminal module and/or the fourth terminal module is the high-speed terminal module,
the insulating shell comprises two side walls which are oppositely arranged in the left-right direction, a top wall which is connected with the upper edges of the two side walls and a bottom wall which is connected with the lower edges of the two side walls, the front end positions of the two side walls, the top wall and the bottom wall are jointly enclosed to form an inserting port,
the first terminal module comprises a plurality of first terminals arranged in rows in the left-right direction and a first insulator integrally fixed with the plurality of first terminals,
the second terminal module comprises a plurality of second terminals arranged in rows in the left-right direction and a second insulator integrally fixed with the plurality of second terminals,
the third terminal module comprises a plurality of third terminals arranged in rows in the left-right direction and a third insulator integrally fixed with the plurality of third terminals,
the fourth terminal module comprises a plurality of fourth terminals arranged in rows in the left-right direction and a fourth insulator integrally fixed with the fourth terminals,
the first terminal module, the second terminal module, the third terminal module and the fourth terminal module are respectively stacked up and down,
the contact parts of the second terminals are arranged in a row in the left-right direction, the contact parts of the third terminals are arranged in a row in the left-right direction, the contact parts of the second terminals and the contact parts of the third terminals in a row are arranged correspondingly and at intervals in the up-down direction, the contact parts of the second terminals in a row are positioned at the lower side position of the slot, the contact parts of the third terminals in a row are positioned at the upper side position of the slot,
the contact parts of the first terminals are arranged in a row in the left-right direction, the contact parts of the fourth terminals are arranged in a row in the left-right direction, the contact parts of the first terminals and the contact parts of the fourth terminals in a row are arranged correspondingly and at intervals in the up-down direction, the contact parts of the first terminals in a row are positioned at the lower side position of the socket, the contact parts of the fourth terminals in a row are positioned at the upper side position of the socket, the contact parts of the first terminals in a row and the contact parts of the fourth terminals in a row form a first butt joint port, the contact parts of the second terminals in a row and the contact parts of the third terminals in a row form a second butt joint port, the first butt joint port is positioned at the front end of the second butt joint port,
the front end of the fixing part of each fourth terminal forms the bending structure, and the front end of the fourth insulator is far away from at least partial position of one side surface of the butting slot to form the matching surface.
4. The high-speed receptacle electrical connector of claim 3, wherein: the thickened portions are formed at front end positions of the first insulator and the fourth insulator.
5. The high-speed receptacle electrical connector of any one of claims 1 to 4, wherein: the high-speed terminal module comprises ten terminals, a grounding terminal, a pair of high-speed terminals, a grounding terminal, a pair of non-high-speed terminals, a grounding terminal, a pair of high-speed terminals and a grounding terminal are sequentially arranged from left to right, the insulator of the high-speed terminal module is provided with a reinforcing rib part at a position between the pair of non-high-speed terminals, the reinforcing rib part continuously extends to the rear end position of the insulator from the front end position of the insulator, and a region, except the reinforcing rib part, of one side surface of the thickened part of the high-speed terminal module, which is far away from the butt joint slot forms the matching surface.
6. The high-speed receptacle electrical connector of claim 3, wherein: the upper parts of the rear end positions of the two side walls of the insulating shell are in an opening shape, the first terminal module, the second terminal module and the third terminal module are assembled and fixed to the insulating shell from back to front, and the first terminal module is assembled and fixed to the insulating shell from top to bottom.
7. The high-speed receptacle electrical connector of claim 6, wherein: the high-speed socket electric connector further comprises a top cover plate, wherein the top cover plate is positioned above the first terminal module, the second terminal module, the third terminal module and the fourth terminal module, and the top cover plate is fixed at an opening position above the rear end position of the side wall of the insulating shell.
8. The high-speed receptacle electrical connector of claim 7, wherein: and ten terminals are arranged on any row of the terminals, and each row of the terminals comprises four grounding terminals and three pairs of signal terminals which are respectively positioned between two adjacent grounding terminals in pairs.
9. The high-speed receptacle electrical connector of claim 3, wherein: the high-speed socket electric connector further comprises a metal piece, wherein fixing grooves are formed in the inner wall surface of each side wall, each fixing groove penetrates through the rear end surface of each side wall and extends forwards, and the metal piece is correspondingly inserted into the fixing groove from back to front and is abutted against at least one insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126202.5A CN109216980B (en) | 2018-09-26 | 2018-09-26 | High-speed socket electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126202.5A CN109216980B (en) | 2018-09-26 | 2018-09-26 | High-speed socket electric connector |
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| Publication Number | Publication Date |
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| CN109216980A CN109216980A (en) | 2019-01-15 |
| CN109216980B true CN109216980B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811126202.5A Active CN109216980B (en) | 2018-09-26 | 2018-09-26 | High-speed socket electric connector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285309B (en) | 2021-04-27 | 2023-04-25 | 东莞立讯技术有限公司 | Electric connector |
| TWI786940B (en) * | 2021-11-10 | 2022-12-11 | 正崴精密工業股份有限公司 | High speed connector |
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| CN2874852Y (en) * | 2006-01-26 | 2007-02-28 | 上海莫仕连接器有限公司 | Electrical connector |
| CN202855995U (en) * | 2012-10-23 | 2013-04-03 | 温州意华通讯接插件有限公司 | Electric connector |
| CN203967314U (en) * | 2014-06-11 | 2014-11-26 | 深圳市得润电子股份有限公司 | One can plug high speed connector |
| CN204216267U (en) * | 2014-07-15 | 2015-03-18 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN106941216A (en) * | 2015-12-09 | 2017-07-11 | 矢崎总业株式会社 | Ground terminal and wire harness |
| CN208706931U (en) * | 2018-09-26 | 2019-04-05 | 温州意华接插件股份有限公司 | High speed receptacle electric connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994366B (en) * | 2016-10-26 | 2021-07-20 | 富士康(昆山)电脑接插件有限公司 | Socket connector |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2874852Y (en) * | 2006-01-26 | 2007-02-28 | 上海莫仕连接器有限公司 | Electrical connector |
| CN202855995U (en) * | 2012-10-23 | 2013-04-03 | 温州意华通讯接插件有限公司 | Electric connector |
| CN203967314U (en) * | 2014-06-11 | 2014-11-26 | 深圳市得润电子股份有限公司 | One can plug high speed connector |
| CN204216267U (en) * | 2014-07-15 | 2015-03-18 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN106941216A (en) * | 2015-12-09 | 2017-07-11 | 矢崎总业株式会社 | Ground terminal and wire harness |
| CN208706931U (en) * | 2018-09-26 | 2019-04-05 | 温州意华接插件股份有限公司 | High speed receptacle electric connector |
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| CN109216980A (en) | 2019-01-15 |
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