CN113497375A - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN113497375A CN113497375A CN202010269476.0A CN202010269476A CN113497375A CN 113497375 A CN113497375 A CN 113497375A CN 202010269476 A CN202010269476 A CN 202010269476A CN 113497375 A CN113497375 A CN 113497375A
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- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 230000013011 mating Effects 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 238000005192 partition Methods 0.000 description 4
- 238000005253 cladding Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
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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
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
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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
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
本发明公开了一种电连接器，其可与对接连接器相配合，所述电连接器包括绝缘本体及收容于绝缘本体内的第一端子组及第二端子组，所述第一端子组包括第一排端子及第一固定件，所述第二端子组包括第二排端子，所述第一排端子和所述第二排端子形成第一对接端口,所述第一排端子包括可传输差分信号的信号端子对及设置在信号端子对一侧的接地端子，每个所述信号端子包括尾部、接触部及主体部，所述主体部包括设置在所述第一固定件中的包覆部分和暴露在空气中的自由部分，所述接地端子包括接地尾部、接地接触部及位于接地尾部和接地接触部之间的接地主体部，所述主体部的所述自由部分的宽度尺寸是所述接地主体部的宽度尺寸的至少两倍。
The invention discloses an electrical connector, which can be matched with a butt connector. The electrical connector includes an insulating body and a first terminal group and a second terminal group accommodated in the insulating body. The first terminal group It includes a first row of terminals and a first fixing member, the second terminal group includes a second row of terminals, the first row of terminals and the second row of terminals form a first docking port, and the first row of terminals includes a A signal terminal pair for transmitting differential signals and a ground terminal arranged on one side of the signal terminal pair, each of the signal terminals includes a tail portion, a contact portion and a main body portion, and the main body portion includes a package arranged in the first fixing member A covered portion and a free portion exposed to the air, the ground terminal includes a ground tail portion, a ground contact portion, and a ground main body portion located between the ground tail portion and the ground contact portion, and the width dimension of the free portion of the main body portion is at least twice the width dimension of the grounded body portion.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly, to an electrical connector suitable for transmitting high-speed signals.
[ background of the invention ]
Please refer to U.S. patent No. US8764464, issued 7/1 2014, which discloses an electrical connector provided with a plurality of terminals. The terminals include a plurality of signal terminal pairs and ground terminals located on both sides of the signal terminal pairs, and the ground coupling assembly is required to be electrically connected with the ground terminals to adjust the performance of the electrical connector as required. However, the ground coupling assembly complicates the assembly of the electrical connector, which not only increases the cost of the electrical connector, but an improved electrical connector is needed to overcome the deficiencies of the prior art.
[ summary of the invention ]
The invention mainly aims to provide an electric connector for transmitting high-speed signals.
In order to achieve the purpose, the invention adopts the following technical scheme: an electrical connector, which can be matched with a butting connector, the electrical connector comprises an insulating body, a first terminal group and a second terminal group, wherein the first terminal group and the second terminal group are accommodated in the insulating body, the first terminal group comprises a first row of terminals and a first fixing piece for fixing the first row of terminals, the second terminal group comprises a second row of terminals, the first row of terminals and the second row of terminals form a first butting port, the first row of terminals comprises a signal terminal pair capable of transmitting differential signals and a grounding terminal arranged on one side of the signal terminal pair, the signal terminal pair comprises a pair of signal terminals, each signal terminal comprises a tail part, a contact part matched with the butting connector and a main body part positioned between the tail part and the contact part, the main body part comprises a coating part arranged in the first fixing piece and a free part exposed in the air, and the grounding terminal comprises a grounding tail part, The ground connector comprises a ground contact portion matched with the butting connector and a ground main body portion positioned between the ground tail portion and the ground contact portion, wherein the width dimension of the free portion of the main body portion is at least twice of the width dimension of the ground main body portion.
Further, the width of the free portion of the signal terminal is greater than the width of the clad portion.
Further, the length dimension of the free portion of the signal terminal is greater than the length dimension of the clad portion.
Further, the coating part comprises a first coating part, a second coating part and a third coating part which are arranged at intervals in the front-back direction of the length direction of the terminal, and the first coating part, the second coating part and the third coating part are different in size and shape.
Further, the width dimension of the ground main body portion is constant.
Further, the width dimension of the ground contact is greater than the width dimension of the contact.
Further, the second terminal group includes a second fixing member for fixing the second row of terminals, the second row of terminals includes a second signal terminal pair for transmitting differential signals and a second ground terminal disposed at one side of the second signal terminal pair, the second signal terminal pair includes a pair of second signal terminals, each of the second signal terminals includes a second tail portion, a second contact portion engaged with the mating connector and a second main body portion disposed between the second tail portion and the second contact portion, the second main body portion includes a second covering portion disposed in the second fixing member and a second free portion exposed in the air, the second ground terminal includes a second ground tail portion, a second ground contact portion engaged with the mating connector and a second ground main body portion disposed between the second ground tail portion and the second ground contact portion, and a width dimension of the second free portion of the second main body portion is at least two width dimensions of the second ground main body portion And (4) doubling.
The interface further comprises a third terminal group and a fourth terminal group, wherein the third terminal group and the fourth terminal group form a second pair of interfaces.
Further, the first pair of interfaces and the second pair of interfaces are arranged along the front-back direction and are used for being butted with the same butting connector.
Further, the length of the first row of terminals is greater than the length of the second row of terminals.
Compared with the prior art, the invention has the advantages that: the width of the free part of the signal terminal is at least twice of the width of the grounding main body part, so that the signal terminal meets the characteristic impedance of transmitting high-speed signals, and is beneficial to the transmission of the high-speed signals.
[ description of the drawings ]
Fig. 1 is a perspective view of an electrical connector and a circuit board mated therewith according to the present invention.
Fig. 2 is a perspective view of the electrical connector shown in fig. 1 and a circuit board mated therewith from another perspective.
Fig. 3 is a partially exploded view of the electrical connector shown in fig. 1.
Fig. 4 is a partially exploded view of the electrical connector shown in fig. 1.
Fig. 5 is a further exploded view of the electrical connector shown in fig. 4.
Fig. 6 is a further exploded view of the electrical connector shown in fig. 5.
Fig. 7 is a perspective view of the electrical connector shown in fig. 6 from another perspective.
Fig. 8 is a perspective view from another perspective of the electrical connector shown in fig. 7.
Fig. 9 is a perspective view of the terminal assembly and the upper cover of the electrical connector shown in fig. 6.
Fig. 10 is a perspective view of four rows of terminals of the electrical connector shown in fig. 9.
Fig. 11 is a perspective view from another perspective of the four rows of terminals of the electrical connector shown in fig. 10.
Fig. 12 is a front view of the four rows of terminals of the electrical connector shown in fig. 10.
Fig. 13 is a front view of the first row of terminals in the four rows of terminals shown in fig. 10.
Fig. 14 is a cross-sectional view of the electrical connector shown in fig. 1 taken along the direction a-a.
Fig. 15 is a cross-sectional view of the electrical connector shown in fig. 1 taken along the direction B-B.
[ description of main reference symbols ]
First terminal set 1 and second terminal set 2
Mounting portion 71 of cover 70
Positioning hole 701 of oblique pushing part 73
First row of terminals 10 first fixing part 13
First cladding portion 141 and second cladding portion 142
Positioning post 180 first mounting portion 137
Grounding body 127 grounding cover 128
Ground free portion 129 second row of terminals 20
Second free portion 250 second ground tail 223
Second mounting portion 237 third row of terminals 30
Third fixing member 33 third signal terminal pair 301
Third front fixing member 331 and third rear fixing member 333
Third mounting portion 337 of third signal terminal 310
Fourth row of terminals 40 fourth mount 43
Fourth signal terminal pair 401 fourth ground terminal 420
Fourth front fixing member 431 and fourth rear fixing member 433
First pair of interfaces 8 and second pair of interfaces 9
Fourth mounting part 437 with partition wall 69
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
[ detailed description ] embodiments
Referring to fig. 1 to 15, the electrical connector 100 of the present invention can be mounted on an external circuit board 200 and can be mated with a mating connector (not shown). The electrical connector 100 includes an insulative housing 50 and a terminal set disposed in the insulative housing 50. The terminal set comprises a first terminal set 1, a second terminal set 2, a third terminal set 3 and a fourth terminal set 4. For convenience of understanding, the direction in which the electrical connector 100 is mated with the mating connector is defined as a front-rear direction, the direction in which the electrical connector 100 is mounted on the circuit board 200 is defined as an up-down direction, and the direction perpendicular to the front-rear direction and the up-down direction is defined as a left-right direction.
The insulating body 50 includes a body portion 6 and an upper cover 7 engaged with the body portion 6. The main body 6 comprises a front side 601 at the front for mating with a mating connector and a rear side 603 opposite to the front side 601, the main body 6 is provided with a left side wall 61 and a right side wall 61 extending from the front side 601 to the rear side 603, and a bottom wall 65 connecting the two side walls 61 and arranged at the bottom, and the two side walls 61 extend backwards beyond the bottom wall 65. The upper part of the body portion 6 is fitted with an upper cover 7. The opposite inner sides of the two side walls 61 are provided with a first mounting groove 610, a second mounting groove 620 positioned at the upper part of the first mounting groove 610, a third mounting groove 630 positioned at the upper part of the second mounting groove 620 and a fourth mounting groove 640 positioned above the third mounting groove 630. The upper cover 7 includes a cover 70 and mounting portions 71 formed on both sides of the cover 70, and a slant portion 73 inclined downward is provided at the rear portion of the cover 70. The lower surface of the cover 70 is provided with a plurality of positioning holes 701, and the mounting portion 71 is matched with corresponding fourth mounting grooves 640 on the two side walls 61.
The first terminal group 1 includes a first row of terminals 10 arranged in the left-right direction and a first fixing member 13 fixing the first row of terminals 10. The first row of terminals 10 includes a pair of signal terminals 101 capable of transmitting differential signals and a ground terminal 120 disposed on one side of the pair of signal terminals. The ground terminal 120 and the signal terminal pair 101 are spaced apart in this embodiment. The signal terminal pair 101 includes a pair of signal terminals 110. The center-to-center distance between the pair of signal terminals 110 is not greater than the center-to-center distance between the ground terminal 120 and the corresponding position of the adjacent signal terminal 110. In the present invention, the center-to-center distance refers to a distance between a center line of one terminal and a center line of a corresponding portion of the other terminal. Each of the signal terminals 110 includes a tail portion 113 electrically connectable to the external circuit board 200, a contact portion 115 mating with the mating connector, and a body portion 117 located between the tail portion 113 and the contact portion 115, wherein the body portion 117 includes a covering portion 140 disposed in the first fixing member 13 and a free portion 150 exposed to the air. The width of the free portion 150 of the signal terminal 110 is greater than the width of the sheathing portion 140. The contact portions 115 of the pair of signal terminals 110 of the signal terminal pair 101 have a first center distance L1 therebetween, the free portions 150 have a second center distance L2 therebetween, the sheathing portions 140 have a third center distance L3 therebetween, the second center distance L2 is smaller than the first center distance L1, and the third center distance L3 is larger than the second center distance L2. The third center-to-center distance L3 is not greater than the first center-to-center distance L1. The body 117 includes a horizontal portion 118 horizontally extending rearward from the contact portion 115, and a connecting portion 119 connecting the horizontal portion 118 and the tail 113. The connection portion 119 includes an inclined portion 108 extending obliquely downward and a vertical portion 109 connecting the inclined portion 108 and the tail portion, and the wrapping portion 140 includes a first wrapping portion 141, a second wrapping portion 142, and a third wrapping portion 143 disposed at intervals along a length direction. The first, second, and third coating portions 141, 142, and 143 have different sizes and shapes. The first and second coating portions 141 and 142 are provided to the horizontal portion 118, and the third coating portion 143 is provided to the vertical portion 109. The ground terminal 120 includes a ground tail portion 123 electrically connectable to an external circuit board 200, a ground contact portion 125 for mating with a mating connector, and a ground body portion 127 between the ground contact portion 125 and the ground tail portion 123. The ground main body portion 127 includes a ground coating portion 128 coated in the first fixing member 13 and a ground free portion 129 exposed to the air, and the ground coating portion 128 and the ground free portion 129 are aligned with the corresponding coating portion 140 and the free portion 150 of the signal terminal 110 in the left-right direction. The ground cover portion 128 of the ground main body portion 127 and the ground free portion 129 exposed to the air have the same width and are constant throughout the length direction. The width dimension of the ground contact 125 is greater than the width dimension of the contact 115 of the signal terminal 110. The width dimension of the free portion 150 of the body portion 117 of the signal terminal 110 is at least twice the width dimension of the ground body portion 127. The distance between the free portions 150 of the two signal terminals 110 of a signal terminal pair 101 is less than the distance between the signal terminal 110 and the corresponding ground free portion 129 of the adjacent ground terminal 120. The main body 6 includes guide grooves 68 at the front for receiving the contact portions 115 of the signal terminals 110 and the ground contact portions 125 of the ground terminals 120, and partition walls 69 for partitioning the guide grooves 68, and the partition walls 69 between the ground terminals 120 and the signal terminals 110 adjacent thereto extend rearward beyond the partition walls 69 between the corresponding signal terminal pairs 101 of the signal terminals 110.
The first fixing member 13 includes a first fixing portion 131 provided at the first covering portion 141, a second fixing portion 132 provided at the second covering portion 142, and a third fixing portion 133 provided at the third covering portion 143. The length dimension of the free portion 150 of the signal terminal 110 is greater than the length dimension of the covering portion 140, so that the signal terminal 110 is exposed to the air as much as possible, thereby adjusting the characteristic impedance of the signal terminal 110, so that the signal terminal 110 can transmit high-speed signals, in this embodiment, the dimension of the free portion 150 occupies at least 70% of the dimension of the main body portion 117 along the length direction of the signal terminal 110. The first fixing portion 131 and the second fixing portion 132 of the first fixing member 13 are horizontally disposed, the third fixing portion 133 is vertically disposed, and a plurality of positioning posts 180 matched with the positioning holes 701 are disposed on the upper surfaces of the first fixing portion 131 and the second fixing portion 132. First mounting portions 137 are provided at both left and right sides of the first fixing portion 131 and the second fixing portion 132. The first mounting part 137 is fitted with the third mounting groove 630. After the first terminal set 1 and the upper cover 7 are integrally fitted into the positioning hole through the positioning post 180, a forward force is applied to the inclined pushing portion 73, and the first terminal set 1 is assembled with the upper cover 7 from the rear side to the front side into the main body portion 6. The first fixing portion 131 and the second fixing portion 132 integrally fix the signal terminal 110 and the ground terminal 120, and the third fixing portion 133 thermally fixes the signal terminal 110 and the ground terminal 120. In this embodiment, the first fixing portion 131 is integrally formed with the first covering portion 141 and the corresponding ground covering portion 128 of the ground terminal 120 corresponding to the first covering portion 141, the second fixing portion 132 is integrally formed with the second covering portion 142 and the corresponding ground covering portion 128 of the ground terminal 120 corresponding to the second covering portion 142, and the third fixing portion 133 is thermally riveted to the third covering portion 143 and the corresponding ground covering portion 128 of the ground terminal 120 corresponding to the third covering portion 143.
The second terminal group 2 includes a second row of terminals 20 arranged in the left-right direction and a second fixing member 23 for fixing the second row of terminals 20. The second row of terminals 20 includes a second signal terminal pair 201 for transmitting differential signals and a second ground terminal 220 disposed on one side of the second signal terminal pair 201, the second signal terminal pair 201 includes a pair of second signal terminals 210, each of the second signal terminals 210 includes a second signal tail portion 213, a second contact portion 215 and a second main body portion 217 located between the second signal tail portion 213 and the second contact portion 215, and the second main body portion 217 includes a second cover portion 240 disposed in the second fixing member 23 and a second free portion 250 exposed to the air. The second ground terminal 220 includes a second ground tail portion 223, a second ground contact portion 225 for mating with a mating connector, and a second ground body portion 227 between the second ground tail portion 223 and the second ground contact portion 225. The second fixing member 23 fixes the second signal terminal 210 and the second ground terminal 220 by integral molding. The second fixing member 23 is provided with second mounting portions 237 on the left and right sides thereof, and the second mounting portions 237 are fitted with the first mounting grooves 610. The second free portion 250 of the second signal terminal 210 has a width dimension at least twice as large as a width dimension of the second ground body portion 227.
The third terminal group 3 includes a third row of terminals 30 arranged in the left-right direction and a third fixing member 33 fixed to the third row of terminals 30. The third row of terminals 30 includes a third signal terminal pair 301 for transmitting differential signals and a third ground terminal 320 disposed on one side of the third signal terminal pair 301, the third signal terminal pair 301 includes a pair of third signal terminals 310, the third row of terminals 30 includes a third tail portion 330 solderable to the circuit board 200, the third fixing member 33 includes a third front fixing member 331 and a third rear fixing member 333 disposed at a front-rear interval, the third rear fixing member 333 is close to the third tail portion 330, and the third front fixing member 331 is integrally formed with the third signal terminals 310 and the third ground terminal 320. The third rear fixing part 333 is thermally riveted to the third signal terminal 310 and the third ground terminal 320. The third front fixing piece 331 left and right sides is equipped with third installation department 337, third installation department 337 with the cooperation of third mounting groove 630.
The fourth terminal group 4 includes a fourth row of terminals 40 arranged in the left-right direction and a fourth fixing member 43 disposed on the fourth row of terminals 40. The fourth row of terminals 40 includes a fourth signal terminal pair 401 for transmitting differential signals and a fourth ground terminal 420 disposed on one side of the fourth signal terminal pair 401, and the fourth signal terminal pair 401 includes a pair of fourth signal terminals 410. The fourth row of terminals 40 includes a fourth tail 430 solderable to the circuit board 200, the fourth fixing member 43 includes a fourth front fixing member 431 and a fourth rear fixing member 433 spaced apart from each other in the front-rear direction, the fourth rear fixing member 433 is adjacent to the fourth tail 430, and the fourth front fixing member 431 is integrally formed with the fourth signal terminals 410 and the fourth ground terminals 420. The fourth rear fixing member 433 is thermally riveted to the fourth signal terminal 410 and the fourth ground terminal 420. The fourth front fixing member 431 is provided with fourth mounting parts 437 on the left and right sides thereof, and the fourth mounting parts 437 are fitted with the third mounting grooves 630.
The second terminal set 2, the third terminal set 3 and the fourth terminal set 4 are similar to the first terminal set 1 except for the dimension in the length direction of the terminals. The first terminal group 1 has a dimension in the longitudinal direction larger than the dimensions of the second terminal group 2, the third terminal group 3, and the fourth terminal group 4 in the longitudinal direction. The first row of terminals 10 of the first terminal set 1 and the second row of terminals 20 of the second terminal set 2 constitute a first pair of interfaces 8. The third terminal group 3 and the fourth terminal group 4 form a second pair of interfaces 9, and the first pair of interfaces 8 and the second pair of interfaces 9 are arranged along the front-back direction and are used for being butted with the same butting connector. The first terminal group 1 is assembled into the body portion 6 from the rear side forward in cooperation with the upper cover 7 as a single body. The second terminal group 2, the third terminal group 3, and the fourth terminal group 4 are mounted to the body portion 6 from the rear side 603 forward. Specifically, in this embodiment, the second mounting portion 237 of the second terminal set 2 is mounted into the first mounting groove 610 from the rear to the front, the fourth mounting portion 437 of the fourth terminal set 4 is mounted into the second mounting groove 620, the third mounting portion 337 of the third terminal set 3, and the first mounting portion 137 of the first terminal set 1 are mounted into the third mounting groove 630 from the rear to the front, and the mounting portion 71 of the upper cover 7 is fitted into the fourth mounting groove 640. The tail portions 113 of the signal terminals 110 and the ground tail portions 123 of the ground terminals of the first terminal group 1 are arranged in the left-right direction as a first tail portion 130, the second signal tail portions 213 of the second signal terminals 210 and the second ground tail portions 223 of the second ground terminals 220 of the second terminal group 2 are arranged in the left-right direction as a second tail portion 230, the third terminal group 3 includes a third tail portion 330, the fourth terminal group 4 includes a fourth tail portion 430, and when the terminal groups are assembled into the body portion 6, the second tail portion 230, the fourth tail portion 430, the third tail portion 330 and the first tail portion 130 are arranged in order from front to rear.
The assembly method of the electrical connector 100 comprises the following steps:
providing said body portion 6;
providing said upper cover 7;
providing the first terminal set 1, the second terminal set 2, the third terminal set 3, and the fourth terminal set 4;
mounting the second terminal group 2 forwardly from the rear side 603 in the first mounting groove 610 of the body portion 6;
mounting the fourth terminal set 4 forwardly from the rear side 603 in the second mounting slot 620 of the body portion 6;
the first terminal set 1 and the upper cover 7 are fixed into a whole and are partially installed in the third installation groove 630 and the fourth installation groove 640 of the body part 6 from the rear side 603 to the front, so that the first terminal set 1 is matched with the third installation groove 630, and the upper cover 7 is matched with the fourth installation groove 640;
mounting the third terminal group 3 in the third mounting groove 630 from the rear side to the front side;
the first terminal set 1 is further assembled to a predetermined position from the rear side forward with the upper cover 7 fixed as a unit.
The electric connector of the invention changes the center distance between a pair of signal terminals of the signal terminal pair; the signal terminal is exposed in the air as much as possible so as to adjust the characteristic impedance of the signal terminal and improve the signal transmission rate of the connector, the upper cover and the first terminal set are assembled into a whole and then assembled into the body part, and the longer first terminal set is assembled into the body part through the upper cover, so that the structure of the electric connector is more compact, the assembly is simple and convenient, and the cost of the electric connector is reduced. The electrical connector 100 of the embodiment conforms to the QSFP-DD specification, and defines 8 transmit channels and 8 receive channels, and the signal transmission rate of each channel can reach 100 Gbps. Of course, the present invention may also be applied to high speed electrical connectors that transmit high rates, such as SFP-DD, SFP, OSFP, and the like.
The above description is only one embodiment of the present invention, and not all or only one embodiment, and any equivalent changes to the technical solution of the present invention, which are made by a person skilled in the art through reading the description of the present invention, are all the claims of the present invention.
Claims (10)
1. An electrical connector, which can be matched with a butting connector, the electrical connector comprises an insulating body, a first terminal group and a second terminal group, the first terminal group and the second terminal group are accommodated in the insulating body, the first terminal group comprises a first row of terminals and a first fixing piece for fixing the first row of terminals, the second terminal group comprises a second row of terminals, the first row of terminals and the second row of terminals form a first butting port, the first row of terminals comprises signal terminal pairs capable of transmitting differential signals and grounding terminals arranged on one side of the signal terminal pairs, the signal terminal pairs comprise a pair of signal terminals, each signal terminal comprises a tail part, a contact part matched with the butting connector and a main body part positioned between the tail part and the contact part, the main body part comprises a coating part arranged in the first fixing piece and a free part exposed in the air, the ground terminal includes ground connection afterbody, with butt joint connector complex ground connection contact site and be located the ground connection main part between ground connection afterbody and the ground connection contact site, its characterized in that: the width dimension of the free portion of the body portion is at least twice the width dimension of the ground body portion.
2. The electrical connector of claim 1, wherein: the free portion of the signal terminal has a width greater than a width of the clad portion.
3. The electrical connector of claim 2, wherein: the free portion of the signal terminal has a length dimension greater than a length dimension of the covered portion.
4. The electrical connector of claim 3, wherein: the coating part comprises a first coating part, a second coating part and a third coating part which are arranged at intervals in the front-back direction of the length direction of the terminal, and the first coating part, the second coating part and the third coating part are different in size and shape.
5. The electrical connector of claim 1, wherein: the width dimension of the ground body portion is constant.
6. The electrical connector of claim 5, wherein: the width dimension of the ground contact is greater than the width dimension of the contact.
7. The electrical connector of claim 1, wherein: the second terminal group comprises a second fixing piece for fixing the second row of terminals, the second row of terminals comprises a second signal terminal pair for transmitting differential signals and a second grounding terminal arranged on one side of the second signal terminal pair, the second signal terminal pair comprises a pair of second signal terminals, each of the second signal terminals comprises a second tail portion, a second contact portion matched with the butting connector and a second main body portion positioned between the second tail portion and the second contact portion, the second body portion includes a second clad portion provided in the second fixing member and a second free portion exposed to air, the second ground terminal includes a second ground tail portion, a second ground contact portion engaged with the mating connector, and a second ground body portion disposed between the second ground tail portion and the second ground contact portion, the second free portion of the second body portion has a width dimension at least twice as large as a width dimension of the second grounded body portion.
8. The electrical connector of claim 7, wherein: the interface further comprises a third terminal group and a fourth terminal group, wherein the third terminal group and the fourth terminal group form a second pair of interfaces.
9. The electrical connector of claim 8, wherein: the first pair of interfaces and the second pair of interfaces are arranged along the front-back direction and are used for being butted with the same butting connector.
10. The electrical connector of claim 7, wherein: the length of the first row of terminals is greater than the length of the second row of terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269476.0A CN113497375A (en) | 2020-04-08 | 2020-04-08 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269476.0A CN113497375A (en) | 2020-04-08 | 2020-04-08 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113497375A true CN113497375A (en) | 2021-10-12 |
Family
ID=77995805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010269476.0A Pending CN113497375A (en) | 2020-04-08 | 2020-04-08 | Electrical connector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195173A (en) * | 2010-02-15 | 2011-09-21 | 莫列斯公司 | Differentially coupled connector |
| US20140364006A1 (en) * | 2013-06-06 | 2014-12-11 | Lintes Technology Co., Ltd | Electrical connector |
| CN104659573A (en) * | 2013-11-20 | 2015-05-27 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN109713489A (en) * | 2017-10-26 | 2019-05-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN211980941U (en) * | 2020-04-08 | 2020-11-20 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
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2020
- 2020-04-08 CN CN202010269476.0A patent/CN113497375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195173A (en) * | 2010-02-15 | 2011-09-21 | 莫列斯公司 | Differentially coupled connector |
| US20140364006A1 (en) * | 2013-06-06 | 2014-12-11 | Lintes Technology Co., Ltd | Electrical connector |
| CN104659573A (en) * | 2013-11-20 | 2015-05-27 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN109713489A (en) * | 2017-10-26 | 2019-05-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN211980941U (en) * | 2020-04-08 | 2020-11-20 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
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