CN111370890A - Electric connector, adapter and electric connector assembly - Google Patents
Electric connector, adapter and electric connector assembly Download PDFInfo
- Publication number
- CN111370890A CN111370890A CN202010155327.1A CN202010155327A CN111370890A CN 111370890 A CN111370890 A CN 111370890A CN 202010155327 A CN202010155327 A CN 202010155327A CN 111370890 A CN111370890 A CN 111370890A
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- Prior art keywords
- electrical connector
- terminal
- adapter
- adaptor
- contact
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
An electrical connector assembly includes two electrical connectors and an adapter connecting the two electrical connectors. The electrical connector includes a plurality of terminal modules stacked together. The terminal module comprises a signal terminal module, and the signal terminal module comprises an insulating body and at least one pair of differential signal terminals arranged on the insulating body. The at least one pair of differential signal terminals includes a contact portion having an arcuate contact wall extending in a mating direction of the electrical connector for contacting a mating terminal. The adapter comprises an adapter insulating body, a plurality of adapter conductive terminals arranged on the adapter insulating body and a plurality of adapter grounding pieces matched with the adapter conductive terminals. With this arrangement, the contact reliability of the terminal is improved.
Description
Technical Field
The invention relates to an electric connector, an adapter and an electric connector assembly, and belongs to the technical field of high-speed connectors.
Background
Existing high-speed connectors can be applied, for example, in switches to achieve high-speed transmission of data. In order to solve the problems of heat dissipation inside the chassis and miniaturization and compactness of the chassis framework, the female electrical connector and the male electrical connector are generally required to be mounted in a mutually perpendicular manner. In order to solve the problem of mutual butt joint between the female-end electrical connector and the male-end electrical connector, in the prior art, a mutual twisting mode or a mode of rotating the signal terminal around the center is generally adopted for butt joint adjustment.
However, how to improve the contact reliability between the terminals is a technical problem facing those skilled in the art.
Disclosure of Invention
The invention aims to provide an electric connector, an adapter and an electric connector assembly with high contact reliability.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric connector, its includes a plurality of terminal modules that fold and lean on together, wherein the terminal module include signal terminal module and with signal terminal module matched with grounding lug, the signal terminal module includes insulator and installs at least a pair of difference signal terminal on the insulator, at least a pair of difference signal terminal includes the contact site, the grounding lug is equipped with at least part and centers on the outlying shielding part of contact site, the contact site is equipped with the arc contact wall that extends along electric connector butt joint direction, the arc contact wall is used for contacting with the butt joint terminal.
As a further improved technical solution of the present invention, the arc-shaped contact wall is provided with a terminal receiving cavity for the insertion of the mating terminal and an arc-shaped inner surface surrounding the terminal receiving cavity for contacting with an outer surface of the mating terminal.
As a further improved technical solution of the present invention, the at least one pair of differential signal terminals includes a first signal terminal and a second signal terminal, the first signal terminal includes a first contact portion, a first tail portion and a first connection portion connecting the first contact portion and the first tail portion, and the second signal terminal includes a second contact portion, a second tail portion and a second connection portion connecting the second contact portion and the second tail portion; the contact part comprises the first contact part and the second contact part, the arc-shaped contact walls comprise first arc-shaped contact walls positioned on the first contact part and second arc-shaped contact walls positioned on the second contact part, the first arc-shaped contact walls are at least two and oppositely arranged, the second arc-shaped contact walls are at least two and oppositely arranged, and the terminal accommodating cavity comprises a first terminal accommodating cavity formed by the two first arc-shaped contact walls and a second terminal accommodating cavity formed by the two second arc-shaped contact walls.
As a further improved technical solution of the present invention, the first contact portion is provided with two first slots located between the two first arc-shaped contact walls, and the two first slots are communicated with the first terminal receiving cavity; the second contact portion is provided with two second slots located between the two second arc-shaped contact walls, and the two second slots are communicated with the second terminal accommodating cavity.
As a further improved technical solution of the present invention, first crossing portions are provided between the first connecting portion and the first contact portion and between the second connecting portion and the second contact portion, and second crossing portions are provided between the first connecting portion and the first tail portion and between the second connecting portion and the second tail portion; wherein:
the first contact part and the second contact part are arranged in an aligned mode along a fixing direction, the first connecting part and the second connecting part are arranged in an aligned mode along the thickness direction of the signal terminal module, and the first tail part and the second tail part are arranged in an aligned mode along the butting direction of the electric connector; the fixing direction, the thickness direction and the butt joint direction of the electric connector are mutually vertical.
As a further improved technical solution of the present invention, the contact portions of the differential signal terminals of the adjacent terminal modules are arranged in a staggered manner.
The invention also discloses an adapter which is used for connecting the electric connector and comprises an adapter insulating body, a plurality of adapter conductive terminals arranged on the adapter insulating body and a plurality of adapter grounding pieces matched with the adapter conductive terminals, wherein the adapter insulating body comprises a first accommodating cavity matched with the electric connector and a second accommodating cavity matched with the electric connector; the adapter grounding tab includes a first shield shell at least partially surrounding a periphery of the first mating portion and a second shield shell at least partially surrounding a periphery of the second mating portion.
As a further improved technical solution of the present invention, the adaptor conductive terminal includes at least one pair of adaptor differential signal terminals, and the at least one pair of adaptor differential signal terminals includes a first adaptor signal terminal and a second adaptor signal terminal, wherein the first adaptor signal terminal and the second adaptor signal terminal respectively include the first mating portion, the second mating portion, and the torsion portion, and wherein:
the first mating portions of the first and second adapter signal terminals are arranged in alignment in a left-right direction; the second mating portions of the first and second adapter signal terminals are arranged in alignment in an up-down direction.
As a further improved technical solution of the present invention, the first mating portions of the plurality of adapter conductive terminals are arranged in alignment along the left-right direction, and the first mating portions of the adjacent plurality of adapter conductive terminals are arranged in a staggered manner along the up-down direction; the second butt-joint parts of the plurality of adapter conductive terminals are arranged in an aligned manner along the vertical direction, and the second butt-joint parts of the adjacent adapter conductive terminals are arranged in a staggered manner along the left-right direction.
As a further improved aspect of the present invention, the first mating portions of the at least one pair of differential adapter signal terminals extend in an electrical connector mating direction perpendicular to the left-right direction and the up-down direction, the second mating portions of the at least one pair of differential adapter signal terminals extend in a direction opposite to the electrical connector mating direction, and the twisted portions of the at least one pair of differential adapter signal terminals are twisted around an axis parallel to the electrical connector mating direction.
The invention also discloses an electrical connector assembly, which comprises a first electrical connector, a second electrical connector and an adapter for communicating the first electrical connector with the second electrical connector, wherein the first electrical connector and/or the second electrical connector are/is the electrical connector, and the adapter is the adapter.
As a further improved technical solution of the present invention, the first electrical connector has a first mounting surface for mounting to a first circuit board, the second electrical connector has a second mounting surface for mounting to a second circuit board, and the first mounting surface is perpendicular to the second mounting surface.
Compared with the prior art, the electric connector is provided with the arc-shaped contact wall extending along the butt joint direction of the electric connector, and the arc-shaped contact wall is used for being in contact with the butt joint terminal, so that the contact reliability of the terminal is improved; the invention also relates to an adapter, which can adjust the butt joint angle and improve the contact reliability of the terminal by arranging the torsion part between the first butt joint part and the second butt joint part; in addition, the invention also relates to an electric connector assembly with the first electric connector, the second electric connector and the adapter matched with each other.
Drawings
Fig. 1 is a perspective view of an electrical connector assembly of the present invention.
Fig. 2 is a perspective view of fig. 1 from another angle.
Fig. 3 is an exploded perspective view of fig. 1.
Fig. 4 is a partially exploded perspective view of the first female electrical connector and the first circuit board of fig. 3.
Fig. 5 is a left side view of the first female end housing of fig. 4.
Fig. 6 is a right side view of the first female end housing of fig. 4.
Fig. 7 is a right side view of the first female terminal module of fig. 4 with the first female housing removed.
Fig. 8 is a perspective view of a first female terminal module of fig. 7.
Fig. 9 is an exploded perspective view of fig. 8.
Fig. 10 is a partially exploded perspective view of the first female terminal module of fig. 4 with the first female housing removed.
Fig. 11 is an exploded perspective view of fig. 10 from another angle.
Fig. 12 is a perspective view of the first female differential signal terminal of fig. 11.
Fig. 13 is a front view of fig. 12.
Fig. 14 is a left side view of fig. 12.
Fig. 15 is a perspective view of the second female electrical connector with the second female housing of fig. 3 removed.
Fig. 16 is a left side view of fig. 15.
Fig. 17 is a partially exploded perspective view of fig. 15.
Fig. 18 is a perspective view of the adaptor of fig. 3.
Fig. 19 is a perspective view of fig. 18 from another angle.
Fig. 20 is a left side view of fig. 18.
Fig. 21 is a partially exploded perspective view of fig. 18.
Fig. 22 is another angled and further exploded perspective view of fig. 21.
Fig. 23 is a partially enlarged view of a circled portion M in fig. 12.
Fig. 24 is a partially enlarged view of the drawing portion N in fig. 12.
FIG. 25 is a perspective view of a set of adapter contacts, mating adapter grounding plate and insulator block.
Fig. 26 is an exploded perspective view of fig. 25.
Fig. 27 is a perspective view of a set of terminal modules of the first female electrical connector, a set of terminal modules of the second female electrical connector, and a set of conductive terminals of the adapter being mated with each other.
Detailed Description
Referring to fig. 1 to 22, an electrical connector assembly 400 of the present invention includes a first female electrical connector 100, a second female electrical connector 200, and an adapter 300 for connecting the first female electrical connector 100 and the second female electrical connector 200. Referring to fig. 1, in the illustrated embodiment of the present invention, the first female electrical connector 100 has a first mounting surface 18 for mounting on a first circuit board 101, the second female electrical connector 200 has a second mounting surface 19 for mounting on a second circuit board 201, the first mounting surface 18 is perpendicular to the second mounting surface 19, and the first circuit board 101 is perpendicular to the second circuit board 201. In addition, according to the difference of the terminal arrangement, the first female electrical connector 100 and the second female electrical connector 200 can also be a first male electrical connector and a second male electrical connector, respectively. The first female electrical connector 100, the second female electrical connector 200, the first male electrical connector and the second male electrical connector in the present embodiment are all called electrical connectors.
Referring to fig. 4 to 14, the first female electrical connector 100 includes a female housing 10 and a plurality of female terminal modules 20 mounted on the female housing 10, wherein the female terminal modules 20 are stacked together.
The female terminal housing 10 is provided with a guide groove 102 for guiding and positioning the plurality of female terminal modules 20, a plurality of circular through holes 103, and a plurality of C-shaped through grooves 104, wherein the through holes 103 form a group in pairs, and the corresponding through grooves 104 at least partially surround the periphery of each group of through holes 103.
The plurality of female terminal modules 20 are similar in structure, and only one of them will be described in detail below.
Referring to fig. 9, the female terminal module 20 includes a female signal terminal module 2 and a female ground strip 3 engaged with the female signal terminal module 2. The female terminal signal terminal module 2 includes a female terminal insulating body 21 and at least one pair of female terminal differential signal terminals 22 mounted on the female terminal insulating body 21. Referring to fig. 7 and 12, the female differential signal terminal 22 includes a female contact 221, and the female ground plate 3 has a female shielding portion 31 at least partially surrounding the female contact 221. The female contact portion 221 is provided with an arcuate contact wall 222 extending along the mating direction a-a of the electrical connector, the arcuate contact wall 222 configured to contact a mating terminal, which may be a terminal of a mating connector (e.g., the adapter 300). The arc-shaped contact wall 222 is provided with an arc-shaped inner surface 223, and the arc-shaped inner surface 223 is configured to contact with an outer surface of the counterpart terminal. The curved contact wall 222 defines a terminal receiving cavity 220 for receiving the mating terminal, and the curved inner surface 223 surrounds the terminal receiving cavity 220.
It will be appreciated that in other embodiments, the arcuate contact wall 222 may be provided with an arcuate outer surface for insertion into a mating terminal for contact with an inner surface of the mating terminal, as well as for terminal contact purposes.
Specifically, referring to fig. 7 and 12, the female differential signal terminal 22 includes a first signal terminal 4 and a second signal terminal 5, the first signal terminal 4 includes a first contact portion 41, a first tail portion 42 and a first connection portion 43 connecting the first contact portion 41 and the first tail portion 42, and the second signal terminal 5 includes a second contact portion 51, a second tail portion 52 and a second connection portion 53 connecting the second contact portion 51 and the second tail portion 52. Female end contact portion 221 includes first contact portion 41 and second contact portion 51, arc contact wall 222 is including being located first arc contact wall 411 on first contact portion 41 and being located second arc contact wall 511 on second contact portion 51, first arc contact wall 411 is two at least and relative setting, second arc contact wall 511 is two at least and relative setting. The terminal receiving cavities 220 include first terminal receiving cavities 2201 formed by the two first arc-shaped contact walls 411 and second terminal receiving cavities 2202 formed by the two second arc-shaped contact walls 511.
The first contact portion 41 is provided with two first slots 412 located between the two first arc-shaped contact walls 411, and the two first slots 412 are communicated with the first terminal accommodating cavity 2201, so that the first contact portion 41 has certain elastic deformation capability, and is convenient for clamping the butt-joint terminal, thereby improving the contact reliability of the butt-joint terminal and the butt-joint terminal. Similarly, the second contact portion 51 is provided with two second slots 512 located between the two second arc-shaped contact walls 511, and the two second slots 512 are communicated with the second terminal receiving cavity 2202, so that the second contact portion 51 has a certain elastic deformation capability, which facilitates clamping of the butt terminal and improves the contact reliability of the two.
Of course, in other embodiments, there may be one first arc-shaped contact wall 411 and one second arc-shaped contact wall 511, and in this case, the cross sections of the first contact portion 41 and the second contact portion 51 may be substantially C-shaped, circular, elliptical, and the like.
A first intersection part 44 is arranged between the first connecting part 43 and the first contact part 41 and between the second connecting part 53 and the second contact part 51, and a second intersection part 45 is arranged between the first connecting part 43 and the first tail part 42 and between the second connecting part 53 and the second tail part 52; wherein:
the first contact portion 41 and the second contact portion 51 are aligned along a fixing direction B-B, the first connection portion 43 and the second connection portion 53 are aligned along a thickness direction C-C of the female-end signal terminal module 2, and the first tail portion 42 and the second tail portion 52 are aligned along an electrical connector mating direction a-a. In the illustrated embodiment of the present invention, the fixing direction B-B is a direction in which the first tail portion 42 and the second tail portion 52 are inserted into a circuit board (e.g., the first circuit board 101). After the first tail portion 42 and the second tail portion 52 are inserted into the mounting holes of the circuit board, they can be fixed and electrically connected to the circuit board by soldering. The fixing direction B-B, the thickness direction C-C and the butt joint direction A-A of the electric connector are mutually vertical.
Referring to fig. 7, in the illustrated embodiment of the present invention, a plurality of female differential signal terminals 22 of each female terminal module 20 are arranged in a row along the fixing direction B-B, and the first contact portions 41 and the second contact portions 51 of each female differential signal terminal 22 are arranged in a row along the fixing direction B-B; however, the first contact portions 41 and the second contact portions 51 of the female differential signal terminals 22 of the adjacent ones of the several female terminal modules 20 are arranged offset from each other. As shown in fig. 7, the first row of female differential signal terminals 22 of the leftmost first straight row of female terminal module 20 and the second row of female differential signal terminals 22 of the leftmost second straight row of female terminal module are not aligned with each other in the thickness direction C-C to form a staggered arrangement, and the first row of female differential signal terminals 22 of the non-adjacent leftmost first straight row of female terminal module 20 and the third row of female differential signal terminals 22 of the leftmost third straight row of female terminal module can be aligned with each other in the thickness direction C-C. By arranging the female differential signal terminals 22 of two adjacent female terminal modules 20 in a staggered manner, a 90-degree conversion structure of the female differential signal terminals 22 in the female terminal modules 20 of the first female electrical connector 100 and the second female electrical connector 200 can be realized by matching with a twisted structure (detailed later) of the mating terminal in the adaptor 300. Also, crosstalk between adjacent female differential signal terminals 22 can be reduced.
Referring to fig. 23, in the illustrated embodiment of the present invention, the first crossing portion 44 is not bent in the thickness direction C-C and is not coplanar in the thickness direction C-C, so that the first connecting portion 43 and the second connecting portion 53 are not aligned in the fixing direction B-B, but the first contacting portion 41 and the second contacting portion 51 can be aligned in the fixing direction B-B because the first arc-shaped contacting wall 411 and the second arc-shaped contacting wall 511 extend in the thickness direction C-C in opposite directions to each other.
Referring to fig. 24, in the illustrated embodiment of the present invention, the second cross portion 45 is bent along the thickness direction C-C, and the bent portions thereof are located on the same plane in the thickness direction C-C, so that the first tail portion 42 and the second tail portion 52 are aligned in the mating direction a-a.
As shown in fig. 11, the female terminal signal terminal module 2 further includes a first positioning block 61 fixed on the first cross portion 44 and a second positioning block 62 fixed on the second cross portion 45, so as to form the female terminal differential signal terminal 22 as a whole.
Referring to fig. 9 and 11, the female terminal insulator 21 has a first end surface 211, a second end surface 212, and a plurality of grooves 213 formed between the first end surface 211 and the second end surface 212. The groove 213 includes a first linear portion 2131, a second linear portion 2132, and an inclined portion 2133 that communicates the first linear portion 2131 with the second linear portion 2132. In the illustrated embodiment of the present invention, the first linear portion 2131 extends in the mating direction a-a (e.g., the horizontal direction), and the second linear portion 2132 extends in the fastening direction B-B (e.g., the vertical direction). A metal layer 2130 is disposed in the trench 213, and each pair of female differential signal terminals 22 is located in the corresponding trench 213. The groove 213 is provided with a first mounting groove 2134 adjacent to the first end surface 211 and a second mounting groove 2135 adjacent to the second end surface 212.
Referring to fig. 9 to 11, the female-end grounding plate 3 further includes a main body portion 32 connected to the female-end shielding portion 31 and a plurality of mounting legs 33 extending downward (parallel to the fastening direction B-B) from the main body portion 32. The female shielding portion 31 extends from the main body portion 32 along the mating direction a-a of the electrical connector and partially surrounds the periphery of the female contact portion 221, and the female shielding portion 31 has a first elastic piece 311 located above the first contact portion 41 and a second elastic piece 312 located below the second contact portion 51, so as to improve the reliability when mating with the mating connector.
When the positioning device is mounted, the first positioning block 61 is mounted in the first mounting groove 2134, and the second positioning block 62 is mounted in the second mounting groove 2135. With this arrangement, the first signal terminal 4 and the second signal terminal 5 can be mounted on the female terminal insulator 21; on the other hand, the first positioning block 61 and the second positioning block 62 can effectively prevent the first signal terminal 4 and the second signal terminal 5 from contacting the metal layer 2130.
The female end grounding plate 3 is located on the side surface of the female end insulation body 21 where the groove 213 is formed, the main body portion 32 covers the outer side of the groove 213, the metal layer 2130 and the main body portion 32 surround the first connecting portion 43 and the second connecting portion 53 together, and the metal layer 2130 and the main body portion 32 can provide better wrapping for the female end differential signal terminal 22, so that a better shielding effect is achieved. Preferably, the metal layer 2130 is in contact with the female terminal grounding plate 3, so that the shielding area is increased, and the shielding effect is improved.
In one embodiment of the present invention, the female terminal insulator 21 is made of a plastic material, and the metal layer 2130 is coated in the groove 213. Of course, in other embodiments, the female-end grounding plate 3 may be replaced by a plastic member plated with a shielding layer, in which case the shielding layer is located on a side of the plastic member close to the groove 213.
In the illustrated embodiment of the present invention, the mounting legs 33 extend from the main body 32 to be bent away from the main body 32, i.e., the mounting legs 33 are not in the same plane as the main body 32. Referring to fig. 8, the mounting feet 33, the first tail portions 42 and the second tail portions 52 are all aligned (i.e., arranged in a row) along the mating direction a-a of the electrical connector, so that the mounting feet can be mounted on the first circuit board 101 and the shielding effect of the female ground strip 3 on the female differential signal terminals 22 can be improved.
Referring to fig. 15 to 17, the second female electrical connector 200 has the same or similar technical features as the first female electrical connector 100, and those skilled in the art can understand the second female electrical connector 200 with reference to the first female electrical connector 100. Preferably, the first female electrical connector 100 and the second female electrical connector 200 are the same electrical connector, but the installation angle is different. By the arrangement, the die opening quantity can be reduced, and the cost is reduced. For this reason, in the illustrated embodiment of the present invention, the same reference numerals are used for corresponding features in the first female electrical connector 100 and the second female electrical connector 200.
Referring to fig. 18 to 22, the adaptor 300 includes an adaptor insulating body 7, a plurality of adaptor conductive terminals 8 mounted on the adaptor insulating body 7, and a plurality of adaptor grounding strips 9 matching with the plurality of adaptor conductive terminals 8.
The adapter housing body 7 includes a first receiving cavity 71 for mating with the first female electrical connector 100 and a second receiving cavity 72 for mating with the second female electrical connector 200. The adapter conductive terminal 8 includes a first mating portion 81 extending into the first receiving cavity 71, a second mating portion 82 extending into the second receiving cavity 72, and a torsion portion 83 located between the first mating portion 81 and the second mating portion 82. The adaptor ground pad 9 includes a first shielding shell 91 at least partially surrounding the periphery of the first docking portion 81 and a second shielding shell 92 at least partially surrounding the periphery of the second docking portion 82. When the first female electrical connector 100 and the second female electrical connector 200 are connected to the adaptor 300, it can be understood that the first shielding shell 91 and the second shielding shell 92 are respectively in contact with the female grounding plate 3 of the first female electrical connector 100 and the female grounding plate 3 of the second female electrical connector 200, so as to increase the grounding area, thereby achieving a better shielding effect. As shown in fig. 8-11 and 25, after the first female electrical connector 100 or the second female electrical connector 200 is connected to the adaptor 300, the female shielding portion 31 of the female ground plate 3 is inserted into the corresponding first shielding shell 91 or the second shielding shell 92, and the first resilient piece 31 abuts against the corresponding inner side surface of the first shielding shell 91 or the second shielding shell 92.
Specifically, referring to fig. 22, the adaptor conductive terminal 8 includes a plurality of adaptor differential signal terminals 80, each pair of the adaptor differential signal terminals 80 includes a first adaptor signal terminal 801 and a second adaptor signal terminal 802, wherein the first adaptor signal terminal 801 and the second adaptor signal terminal 802 include the first docking portion 81, the second docking portion 82 and the torsion portion 83, and wherein:
the first mating portion 81 of the first adaptor signal terminal 801 and the first mating portion 81 of the second adaptor signal terminal 802 are arranged in the left-right direction; the second mating portion 82 of the first adaptor signal terminal 801 and the second mating portion 82 of the second adaptor signal terminal 802 are arranged in the up-down direction. Each set of first and second adapter signal terminals 801 and 802 are secured together by an insulating block 803, and the insulating block 803 is mounted in the adapter ground plate 9 to achieve the relative positional arrangement of the adapter differential signal terminals 80 and the adapter ground plate 9. In this embodiment, the torsion portions 83 of the pair of adapter differential signal terminals 80 are embedded in the insulating block 803, and the first butting portion 81 and the second butting portion 82 are located on two opposite sides of the insulating block 803.
Referring to fig. 20 and 22, in the illustrated embodiment of the invention, the second docking portions 82 of the plurality of adapter conductive terminals 8 are aligned and arranged in a row along the up-down direction, and a plurality of rows of the second docking portions 82 are arranged along the left-right direction, and the second docking portions 82 of the plurality of adapter conductive terminals 8 in two adjacent rows are not aligned and arranged in a staggered manner along the left-right direction. Since the twisting part 83 twists the arrangement direction of the first docking part 81 and the second docking part 82, the direction of the aligned arrangement and the misaligned arrangement of the first docking part 81 is different from that of the second docking part 82. In the present embodiment, the first mating portions 81 of the plurality of adapter conductive terminals 8 are aligned in the left-right direction and arranged in a row, the first mating portions 81 in a plurality of rows are arranged in the up-down direction, and the first mating portions 81 of the plurality of adapter conductive terminals 8 in two adjacent rows are not aligned with each other in the up-down direction and are arranged in a staggered manner.
Referring to fig. 22, 25 and 26, the first mating portions 81 of the pair of differential adapter signal terminals 80 extend along a direction a-a perpendicular to the left-right direction and the up-down direction, the second mating portions 82 of the pair of differential adapter signal terminals 80 extend along a direction opposite to the direction a-a, and the twisting portions 83 of the pair of differential adapter signal terminals 80 are twisted about an axis parallel to the direction a-a. In this embodiment, the twisting portions 83 of the pair of adapter differential signal terminals 80 are twisted by 90 degrees about the axis, and when the first female electrical connector 100 and the second female electrical connector 200 are connected through the adapter 300, 90 degree conversion of the female differential signal terminals 22 in the female terminal module 20 of the first female electrical connector 100 and the second female electrical connector 200 can be realized.
Referring to fig. 27, after the first female electrical connector 100 and the second female electrical connector 200 are connected to the adaptor 300, the first contact portion 41 and the second contact portion 51 of the female differential signal terminal 22 of the first female electrical connector 100 are in contact with the first mating portion 81 of the adaptor conductive terminal 8; the first contact portion 41 and the second contact portion 51 of the female differential signal terminal 22 of the second female electrical connector 200 are in contact with the second mating portion 82 of the adapter conductive terminal 8. The female differential signal terminals 22 of the female terminal module 20 of the first female electrical connector 100 and the second female electrical connector 200 are butted at a 90-degree differential butting angle through the adaptor conductive terminals 8.
Compared with the prior art, the female electrical connector (such as the first female electrical connector 100 and/or the second female electrical connector 200) of the present invention has the arc-shaped contact wall 222 extending along the mating direction a-a of the electrical connector, and the arc-shaped contact wall 222 is used for contacting with the mating terminal, so that the difficulty of manufacturing the terminal is reduced, and the cost is saved; the adaptor 300 of the present invention can adjust the butt joint angle and is easy to manufacture by providing the torsion part 83 between the first butt joint part 81 and the second butt joint part 82; in addition, the electrical connector assembly 400 of the present invention, in which the first female electrical connector 100, the second female electrical connector 200 and the adaptor 300 are mutually engaged, is not required to distinguish the male and female electrical connectors (i.e. the male and female integrated design) in the prior art by providing the adaptor 300, and any female electrical connector 100 or 200 can be used as a male connector with the adaptor 300 to be mated with another female electrical connector, thereby reducing the cost.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.
Claims (12)
1. An electrical connector (100, 200) comprising a plurality of terminal modules (20) stacked together, wherein the terminal modules (20) comprise signal terminal modules (2) and ground pads (3) mated with the signal terminal modules (2), the signal terminal modules (2) comprise an insulative body (21) and at least one pair of differential signal terminals (22) mounted on the insulative body (21), characterized in that: the at least one pair of differential signal terminals (22) comprises a contact portion (221), the grounding plate (3) is provided with a shielding portion (31) at least partially surrounding the periphery of the contact portion (221), the contact portion (221) is provided with an arc-shaped contact wall (222) extending along a mating direction (A-A) of the electrical connector, and the arc-shaped contact wall (222) is used for being contacted with the mating terminal.
2. The electrical connector (100, 200) of claim 1, wherein: the arc-shaped contact wall (222) is provided with a terminal receiving cavity (220) and an arc-shaped inner surface (223) surrounding the terminal receiving cavity (220), wherein the terminal receiving cavity (220) is used for inserting the butt-joint terminal, and the arc-shaped inner surface (223) is used for contacting with the outer surface of the butt-joint terminal.
3. The electrical connector (100, 200) of claim 2, wherein: the at least one pair of differential signal terminals (22) includes a first signal terminal (4) and a second signal terminal (5), the first signal terminal (4) includes a first contact portion (41), a first tail portion (42), and a first connection portion (43) connecting the first contact portion (41) and the first tail portion (42), the second signal terminal (5) includes a second contact portion (51), a second tail portion (52), and a second connection portion (53) connecting the second contact portion (51) and the second tail portion (52); the contact portion (221) includes the first contact portion (41) and the second contact portion (51), the arc-shaped contact wall (222) includes a first arc-shaped contact wall (411) located on the first contact portion (41) and a second arc-shaped contact wall (511) located on the second contact portion (51), the first arc-shaped contact walls (411) are at least two and are oppositely disposed, the second arc-shaped contact wall (511) are at least two and are oppositely disposed, and the terminal receiving cavity (220) includes a first terminal receiving cavity (2201) formed by two first arc-shaped contact walls (411) and a second terminal receiving cavity (2202) formed by two second arc-shaped contact walls (511).
4. The electrical connector (100, 200) of claim 3, wherein: the first contact portion (41) is provided with two first slots (412) between the two first arc-shaped contact walls (411), the two first slots (412) communicating with the first terminal accommodation cavity (2201); the second contact portion (51) is provided with two second slots (512) between the two second arc-shaped contact walls (511), and the two second slots (512) communicate with the second terminal accommodation cavity (2202).
5. The electrical connector (100, 200) of claim 3, wherein: a first intersection part (44) is arranged between the first connecting part (43) and the first contact part (41) and between the second connecting part (53) and the second contact part (51), and a second intersection part (45) is arranged between the first connecting part (43) and the first tail part (42) and between the second connecting part (53) and the second tail part (52); wherein:
the first contact portion (41) and the second contact portion (51) are arranged in alignment along a fixing direction (B-B), the first connection portion (43) and the second connection portion (53) are arranged in alignment along a thickness direction (C-C) of the signal terminal module (2), and the first tail portion (42) and the second tail portion (52) are arranged in alignment along an electrical connector mating direction (A-A); the fixing direction (B-B), the thickness direction (C-C) and the electric connector butting direction (A-A) are mutually perpendicular.
6. The electrical connector (100, 200) of claim 1, wherein: the contact portions (221) of the differential signal terminals (22) of the several adjacent terminal modules (20) are arranged offset from each other.
7. An adapter (300) for connecting the electrical connector (100, 200) according to any one of claims 1 to 6, wherein the adapter (300) comprises an adapter insulator body (7), a plurality of adapter conductive terminals (8) mounted on the adapter insulator body (7), and a plurality of adapter grounding plates (9) engaged with the plurality of adapter conductive terminals (8), wherein: the adapter insulating body (7) comprises a first accommodating cavity (71) used for being matched with the electric connector (100, 200) and a second accommodating cavity (72) used for being matched with the electric connector (100, 200), and the adapter conductive terminal (8) comprises a first butt-joint part (81) extending into the first accommodating cavity (71), a second butt-joint part (82) extending into the second accommodating cavity (72) and a torsion part (83) positioned between the first butt-joint part (81) and the second butt-joint part (82); the adaptor ground pad (9) comprises a first shielding shell (91) at least partially surrounding the periphery of the first docking portion (81) and a second shielding shell (92) at least partially surrounding the periphery of the second docking portion (82).
8. The adaptor (300) of claim 7, wherein: the adaptor conductive terminal (8) comprises at least one pair of adaptor differential signal terminals (80), the at least one pair of adaptor differential signal terminals (80) comprises a first adaptor signal terminal (801) and a second adaptor signal terminal (802), wherein the first adaptor signal terminal (801) and the second adaptor signal terminal (802) respectively comprise the first docking portion (81), the second docking portion (82) and the torsion portion (83), wherein:
the first mating section (81) of the first adaptor signal terminal (801) and the first mating section (81) of the second adaptor signal terminal (802) are arranged in alignment in a left-right direction; the second mating portion (82) of the first adaptor signal terminal (801) and the second mating portion (82) of the second adaptor signal terminal (802) are arranged in alignment in an up-down direction.
9. The adaptor (300) of claim 8, wherein: the first butt-joint parts (81) of the plurality of adapter conductive terminals (8) are arranged in an aligned manner along the left-right direction, and the first butt-joint parts (81) of the adjacent plurality of adapter conductive terminals (8) are arranged in a staggered manner along the up-down direction; the second butt-joint parts (82) of the plurality of adapter conductive terminals (8) are arranged in an aligned manner along the vertical direction, and the second butt-joint parts (82) of the adjacent adapter conductive terminals (8) are arranged in a staggered manner along the horizontal direction.
10. The adaptor (300) of claim 8, wherein: the first mating portion (81) of the at least one pair of differential adapter signal terminals (80) extends along an electrical connector mating direction (A-A) perpendicular to the left-right direction and the up-down direction, the second mating portion (82) of the at least one pair of differential adapter signal terminals (80) extends along a direction opposite to the electrical connector mating direction (A-A), and the torsion portion (83) of the at least one pair of differential adapter signal terminals (80) is twisted about an axis parallel to the electrical connector mating direction (A-A).
11. An electrical connector assembly (400) comprising a first electrical connector (100), a second electrical connector (200), and an adapter (300) for communicating the first electrical connector (100) with the second electrical connector (200), characterized in that: the first electrical connector (100) and/or the second electrical connector (200) is/are an electrical connector (100, 200) according to any one of claims 1 to 6, and the adaptor (300) is an adaptor (300) according to any one of claims 7 to 10.
12. The electrical connector assembly of claim 11, wherein: the first electrical connector (100) has a first mounting face (18) for mounting to a first circuit board (101), the second electrical connector (200) has a second mounting face (19) for mounting to a second circuit board (201), the first mounting face (18) being perpendicular to the second mounting face (19).
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| CN202010155327.1A CN111370890B (en) | 2020-03-06 | 2020-03-06 | Electric connector, adapter and electric connector assembly |
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| CN202010155327.1A CN111370890B (en) | 2020-03-06 | 2020-03-06 | Electric connector, adapter and electric connector assembly |
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| CN111370890A true CN111370890A (en) | 2020-07-03 |
| CN111370890B CN111370890B (en) | 2022-05-03 |
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| CN202010155327.1A Active CN111370890B (en) | 2020-03-06 | 2020-03-06 | Electric connector, adapter and electric connector assembly |
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| CN111934141A (en) * | 2020-08-13 | 2020-11-13 | 深圳格力浦电子有限公司 | Connector with shielding function |
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