CN113571972A - A kind of interface unit - Google Patents
A kind of interface unit Download PDFInfo
- Publication number
- CN113571972A CN113571972A CN202110826257.2A CN202110826257A CN113571972A CN 113571972 A CN113571972 A CN 113571972A CN 202110826257 A CN202110826257 A CN 202110826257A CN 113571972 A CN113571972 A CN 113571972A
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- crimping
- plane
- crimping end
- shielding sheet
- signal
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- 238000002788 crimping Methods 0.000 claims abstract description 177
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
-
- 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
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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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
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
-
- 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
-
- 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
- H01R13/6461—Means for preventing cross-talk
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/655—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth brace
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
Abstract
A connector relates to the technical field of communication equipment and comprises a terminal module, wherein the terminal module comprises terminal pieces which are longitudinally arranged side by side, each terminal piece comprises a signal differential pair and a grounding terminal which are sequentially and alternately arranged along the transverse direction, two ends of each terminal piece are respectively of a contact structure and a crimping end structure, each crimping end structure comprises a signal differential pair crimping end and a grounding crimping end which are sequentially and alternately arranged along the transverse direction, each signal differential pair crimping end comprises a pair of signal crimping ends, the middle part of each grounding crimping end is bent to form a grounding pin, and parts of two sides of each grounding pin which are not bent form a lug; the extension directions of the signal differential pair crimping ends are arranged in a coplanar manner, the plane where the signal differential pair crimping ends are located is a first plane, the plane where the grounding pins adjacent to the two transverse sides are located is a second plane, the plane where the bumps on the two sides of the grounding pins are located is a third plane, the first plane and the second plane are parallel and are not overlapped, and the second plane and the third plane are parallel and are not overlapped.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a connector.
Background
In the prior art, as shown in fig. 1, a connector is composed of a terminal module and a buckle plate for limiting and facilitating the extension of a crimping end of the terminal module, as shown in fig. 2, 3, 4, 5 and 6, a signal crimping end and a grounding crimping end of the terminal module of the connector are connected on a plane, a shielding space is small, and the crimping end and the buckle plate are in clearance fit and do not contact; as shown in fig. 7, the pinch plate is LCP, and is not conductive, and has poor interference resistance and poor crosstalk.
Disclosure of Invention
In order to solve the technical problem, the invention provides a connector, which increases the shielding space and improves the anti-interference capability of signals.
In order to realize the technical purpose, the adopted technical scheme is as follows: a connector comprises a terminal module, wherein the terminal module comprises terminal pieces which are longitudinally arranged side by side, the terminal pieces comprise signal differential pairs and grounding terminals which are sequentially and alternately arranged along the transverse direction, two ends of each terminal piece are respectively provided with a contact structure and a crimping end structure, each crimping end structure comprises a signal differential pair crimping end and a grounding crimping end which are sequentially and alternately arranged along the transverse direction, each signal differential pair crimping end comprises a pair of signal crimping ends, the middle part of each grounding crimping end is bent to form a grounding pin, and parts which are not bent at two sides of each grounding pin form a lug; the extension directions of the signal differential pair crimping ends are arranged in a coplanar manner, the plane determined by two straight lines where the extension directions of the pair of signal crimping ends of the signal differential pair crimping ends are located is a first plane, the plane determined by two straight lines where the extension directions of the grounding pin adjacent to the two transverse sides are located is a second plane, the plane determined by two straight lines where the extension directions of the lugs on the two sides of the grounding pin are located is a third plane, the first plane and the second plane are parallel and do not overlap, and the second plane and the third plane are parallel and do not overlap.
Furthermore, the connector further comprises shielding pieces, the shielding pieces and the terminal pieces are alternately arranged along the longitudinal direction, the two ends of each shielding piece are respectively provided with a shielding piece elastic piece structure and a shielding piece crimping end, the plane where the straight line at the extension direction of the shielding piece crimping end is located is a fourth plane, the fourth plane is parallel to the first plane, and the shielding piece crimping end is bent towards the first plane, so that the distance between the fourth plane and the first plane is reduced.
Furthermore, the shielding sheet is composed of an outer shielding sheet and an inner shielding sheet which are arranged side by side along the longitudinal direction.
Furthermore, the connector also comprises a conductive buckle plate, the conductive buckle plate covers the crimping end structure, a first through hole used for the signal crimping end to penetrate out and a second through hole used for the grounding crimping end to penetrate out are formed in the conductive buckle plate (101), all the signal crimping ends are not in contact with the first through hole, and at least one grounding crimping end and the second through hole are provided with at least one contact surface.
Further, a pair of signal crimping ends of the same signal differential pair crimping end is located in the same first through hole.
Further, a first process groove is formed along at least one contact surface of the grounding crimping end.
Furthermore, the connector further comprises a conductive buckle plate, the conductive buckle plate covers the crimping end structure and the shielding sheet crimping end, a first through hole used for the signal crimping end to penetrate out, a second through hole used for the grounding crimping end to penetrate out and a third through hole used for the shielding sheet crimping end to penetrate out are formed in the conductive buckle plate, all the signal crimping ends are not in contact with the first through hole, at least one grounding crimping end and the second through hole are provided with at least one contact surface, and at least one shielding sheet crimping end and the third through hole are provided with at least one contact surface.
Furthermore, a second process groove is formed between the two adjacent shielding sheet crimping ends, so that the second process groove is clamped with the guide buckle plate, and the area of a contact surface is increased.
Furthermore, at least one contact surface of any one of the grounding crimping end and/or the shielding sheet crimping end, which is contacted with the conductive pinch plate, is provided with a convex point (10).
Furthermore, at least one contact surface of the conductive buckle plate, which is contacted with any one of the grounding crimping end and/or the shielding sheet crimping end, is provided with a convex point.
The invention has the beneficial effects that:
1. the signal differential pair crimping end and the grounding crimping end in the crimping end structure in the connector are not coplanar to form a shielding space, the middle part of the grounding crimping end is bent to form a grounding pin, and the shielding space is formed by the grounding pin and the lugs which are not bent at two sides, so that the shielding space can be increased and crosstalk can be optimized under the condition that other shielding parts are not increased.
2. The signal differential pair crimping end and the adjacent grounding crimping end are not coplanar by folding or bending the butt crimping end and/or folding or bending the signal differential pair crimping end, the process and the structure are simple, different shapes can be set according to models, different crimping ends can be selected for design and adjustment, and the shielding space is increased.
3. The crimping end structure in the contact structure ensures that the signal differential pair crimping end and the adjacent grounding crimping end are not coplanar, and at least one contact surface is formed between at least one grounding crimping end and the conductive buckle plate under the condition of increasing the shielding space, so that the nearby crimping ends are connected with the ground in common again, the backflow path is optimized, the anti-interference capacity of signals is improved, and the transmission capacity of the signals is improved.
4. The pair of signal crimping ends of the same signal differential pair crimping end can be positioned in the same first through hole, the size of the through hole on the periphery of the pair of signal crimping ends is increased, and when the crimping ends are in butt welding with a printed board, a surface layer bonding pad of the printed board is avoided, and poor withstand voltage is avoided.
5. The process groove is additionally arranged on the contact surface of the grounding crimping end, so that the process groove is convenient to machine and form, the process groove with the contact surface is directly machined when the grounding crimping end is formed, the metal wire generated by tearing is avoided, poor withstand voltage is avoided, the process groove and the through hole can be used for clamping, the contact area is increased, and the common ground capacity is improved.
6. In order to further increase the shielding space, the shielding sheet crimping ends which are longitudinally arranged side by side with the crimping end structure can be bent towards each other, the distance between the shielding sheet crimping ends and the crimping end structure is reduced, after the shielding space is increased, the backflow capacity is correspondingly increased, the anti-interference capacity is enhanced, and the crosstalk is further optimized.
7. The shielding piece crimping end can contact with the conductive pinch plate and form common ground interconnection, so that the shielding piece can also form a complete backflow path, and the shielding effect is improved.
8. The contact surface of any one of the grounding crimping end and/or the shielding sheet crimping end is provided with the salient point, or the contact surface of the conductive buckling plate is provided with the salient point, so that the contact between the conductive buckling plate and the grounding crimping end and/or the shielding sheet crimping end is tighter, the separation between the contact surfaces is prevented, and the reliable contact is ensured. And a second process groove is formed between the adjacent two shielding sheet crimping ends, so that the second process groove is clamped with the guide buckle plate, and the area of a contact surface is increased.
9. The non-conductive pinch plate of the existing connector is changed into the conductive pinch plate, and the signal differential pair crimping end and the grounding crimping end are not coplanar, so that the crimping end structure is connected with the conductive pinch plate in a common ground mode, the conductive pinch plate and the grounding crimping end are conducted, the overall transmission capacity of the connector is improved, and the anti-jamming capability is high.
10. The connector increases the shielding piece, can guarantee signal terminal's shielding effect, but can not too much reduction rate to bend the shielding piece crimping end to the signal difference to the direction, do not change mounting structure promptly, do not receive the space constraint, further promote shielding effect, can be according to the speed of design, establish the shielding piece into multilayer outer shield department and internal shield piece.
Drawings
FIG. 1 is a schematic diagram of a prior art connector;
FIG. 2 is a schematic view of the contact between the terminal module and the pinch plate in the prior art;
FIG. 3 is an enlarged view taken at point I in FIG. 2;
FIG. 4 is a schematic structural diagram of a terminal plate in the prior art;
FIG. 5 is a schematic structural diagram of a terminal plate after removing an injection mold insert in the prior art;
FIG. 6 is an enlarged schematic view of the differential pair of signals and ground terminals of FIG. 5;
FIG. 7 is a schematic view of the construction of the gusset of FIG. 1;
FIG. 8 is a schematic view of the construction of the connector of the present invention;
FIG. 9 is a schematic view of the contact position of the conductive clip and the terminal module of the connector of the present invention;
FIG. 10 is a partially enlarged view of FIG. 9;
FIG. 11 is a schematic side view of the contact position of the conductive clip and the terminal module of the connector of the present invention;
FIG. 12 is an enlarged view of the contact between the ground crimp end and the conductive clip of FIG. 11;
fig. 13 is a schematic structural view of a terminal module according to the present invention;
fig. 14 is a schematic structural view of a terminal plate according to the present invention;
FIG. 15 is an enlarged schematic view of the crimp end configuration of FIG. 14;
FIG. 16 is a schematic structural view of a shield sheet according to the present invention;
FIG. 17 is an enlarged schematic view of the crimping end of the shield blades of the present invention;
FIG. 18 is a schematic view of the conductive clip of the present invention;
FIG. 19 is an enlarged view of a portion of FIG. 14;
in the figure: 10. bumps, 11, a buckle plate, 12, a crimping end, 13, an injection molding insert, 14, a signal, 15, a ground, 100, a terminal module, 101, a conductive buckle plate, 102, a fixing plate, 103, an insulator, 1001, a terminal sheet, 1002, a shielding sheet, 1011, a first through hole, 1012, a second through hole, 1013, a third through hole, 1001a, a contact structure, 1001b, a crimping end structure, 1001c, a terminal routing, 1002-1, an outer shielding sheet, 1002-2 an inner shielding sheet, 10011, a signal differential pair, 10012, a ground terminal, 10021, a shielding sheet spring structure, 10022, a routing shielding area, 10023, a shielding sheet crimping end, 10011-1, a signal insertion end, 10011-2, a signal, 10011-3, a signal crimping end, 10012-1, a ground insertion end, 10012-2, a ground, 10012-3, a ground crimping end, 10012-31 and a first process groove, 10012-32, a grounding contact surface, 10012-33, a grounding pin, 10012-34, a bump, 10023-1, a second process groove, S1, a first plane, S2, a second plane, S3, a third plane, S4 and a fourth plane.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. Here, a detailed description will be given of the present invention with reference to the accompanying drawings. It should be expressly understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit or restrict the present invention.
As shown in fig. 8, a connector includes a terminal module 100, which constitutes a basic structure of the connector, the terminal module 100 can be integrally fixed by adding a fixing piece 102, a terminal routing 1001c is arranged in the middle of the terminal module 100, a contact structure 1001a and a crimping end structure 1001b are respectively arranged at two ends of the terminal module, the contact structure 1001a is used for being plugged with another connector after being installed with an insulator 103, and the crimping end structure 1001b is used for being welded with a printed board after being installed with a conductive buckle plate 101 matched with the conductive buckle plate.
As shown in fig. 14, the terminal module 100 includes terminal sheets 1001 arranged side by side in the longitudinal direction, the terminal sheets 1001 include signal differential pairs 10011 and ground terminals 10012 arranged in turn in the transverse direction, two ends of the terminal sheets 1001 are respectively a contact structure and a crimping end structure, and the crimping end structure 1001b is connected with the conductive buckle 101 in a matching manner through the contact structure. Through different forms of contact structures, connectors with different structural styles are formed. The middle of the signal differential pair 10011 is a signal trace 10011-2, two ends of the signal trace 10011-2 are a signal insertion end 1011-1 and a signal differential pair crimping end respectively, the middle of the ground terminal 10012 is a ground trace 10012, and two ends of the ground trace 10012 are a ground insertion end 10012-1 and a ground crimping end 10012-3 respectively.
The crimping end structure 1001b includes signal differential pairs 10011 crimping ends and ground crimping ends 10012-3 which are horizontally and sequentially and alternately arranged, and each signal differential pair 10011 crimping end includes a pair of signal crimping ends 10011-3; the signal crimping end 10011-3 is a needle-shaped structure with or without fish eyes, or a cylindrical crimping end welded to a printed board, the middle of the grounding crimping end 10012-3 is bent to form a grounding pin 10012-33, and the parts of the two sides of the grounding pin 10012-33 which are not bent form bumps 10012-34; the extending directions of the crimping ends of the signal differential pairs 10011 are coplanar, a plane defined by two straight lines along which the extending directions of the signal crimping ends 10011-3 of the signal differential pairs 10011 extend is a first plane S1, a plane defined by two straight lines along which the extending directions of the grounding pins 10012-33 adjacent to the two lateral sides extend is a second plane S2, a plane defined by two straight lines along which the extending directions of the bumps 10012-34 on the two sides of the grounding pins 10012-33 extend is a third plane S3, the first plane S1 is parallel to and does not overlap with the second plane S2, and the second plane S2 is parallel to and does not overlap with the third plane S3.
The expression that the crimp end of the signal differential pair 10011 is not coplanar with the adjacent ground crimp end 10012-3 is that the first plane S1 is parallel to the second plane S2 and the third plane S3, respectively, the first plane S1 is not overlapped with the second plane S2, the first plane S1 is not overlapped with the third plane S3, the second plane S2 and the third plane S3 may be overlapped or not overlapped, the second plane S2 and the third plane S3 are higher than the first plane S1 where a straight line of the extension direction of the signal differential pair crimp end is located, or the second plane S2 and the third plane S3 are lower than the first plane S1 where a straight line of the extension direction of the signal differential pair crimp end is located, or the ground crimp ends 10012-3 on both sides of the signal differential pair are higher than one another. When all the ground crimp ends 10012-3 are located above or below the signal differential pair crimp ends, the planes in which all the ground crimp ends 10012-3 extend may not be coplanar, as shown in fig. 15, the middle portions of the ground crimp ends 10012-3 on both sides of the signal differential pair crimp are bent upward at the same time, and the planes in which the ground crimp ends 10012-3 on both sides extend overlap and are higher than the third plane S3 in which the bumps 10012-34 are located, but do not overlap the first plane S1 in which the signal differential pair crimp ends are located.
The signal differential pair crimp end and the adjacent ground crimp end 10012-3 are not coplanar, and the ground crimp end 10012-3 is formed by folding or bending, and/or the signal differential pair crimp end is formed by folding or bending, and the folding or bending can be achieved by injection molding.
On this basis, as shown in fig. 13, fig. 16, the connector further includes shielding sheet 1002, through increasing the shielding sheet 1002 that transversely sets up, realize better shielding effect, shielding sheet 1002 and terminal piece 1001 are arranged along vertically in turn, shielding sheet elastic structure 10021 and shielding sheet crimping end structure 10023 are respectively to the both ends of shielding sheet 1002, the middle part is for walking line shielding region 10022, can walk line shielding region 1002 and set up connection structure and be used for carrying out the joint with terminal piece 1001 that faces mutually, for example, the lock is connected, the block connection, bolted connection etc.. The plane where the straight line of the extending direction of the shielding sheet pressing end 10023 is located is the fourth plane S4, the fourth plane S4 is parallel to the first plane S1, and the shielding sheet pressing end 10023 bends towards the first plane S1, so that the distance between the fourth plane S4 and the first plane S1 is reduced.
As shown in fig. 13, the shield plate 1002 is composed of an outer shield plate 1002-1 and an inner shield plate 1002-2 arranged side by side in the longitudinal direction, and the number of layers of the shield plate 1002 can be increased depending on the desired shielding effect and rate.
As shown in fig. 8, 9 and 11, when the connector does not need the shielding plate 1002, the connector may only be added with the conductive buckle 101, the conductive buckle 101 covers the crimping end structure 1001b, a first through hole 1011 for the signal crimping end 10011-3 to pass through and a second through hole 1012 for the ground crimping end 10012-3 to pass through are opened on the conductive buckle 101, all the signal crimping ends 10011-3 are not in contact with the first through hole 1011 located, and at least one of the ground crimping ends 10012-3 and the second through hole 1012 has at least one contact surface.
The structure of the conductive buckle plate 101 is as shown in fig. 10, 18 and 19, the conductive buckle plate 101 is provided with a plurality of through holes for being matched with the signal crimping end 1011-3 and the grounding crimping end 10012-3 to penetrate out and then welded with a printed board, the size of the first through hole 1011 is larger than the maximum cross-sectional size of the single signal crimping end 10011-3 to prevent the two ends from contacting, the second through hole 1012 can be communicated with the first through hole 1011 or independently formed according to the position of the grounding crimping end 10012-3, and the shape of the second through hole 1012 ensures that a part of the grounding crimping end 10012-3 penetrates out and then can contact with the inner wall of the second through hole 1012. In the whole contact structure, different numbers of grounding crimping ends 10012-3 and the conductive buckle plate 101 can be selected, the shape of the conductive buckle plate 101 is reasonably designed as required, as shown in fig. 12 and 19, the grounding crimping ends 10012-3 are connected with the conductive buckle plate 101, common ground interconnection is realized, a backflow path is optimized, the anti-interference capacity of signals is improved, and the transmission capacity of the signals is improved.
The conductive buckle plate 101 is structured as shown in fig. 10, 18 and 19, a plurality of through holes are formed in the conductive buckle plate 101, and are used for being matched with the signal crimping end 1011-3 and the grounding crimping end 10012-3 to penetrate out and then being welded with a printed board, the size of the first through hole 1011 is larger than the maximum cross-sectional size of the single signal crimping end 10011-3 to prevent the two ends from contacting, the second through hole 1012 can be communicated with the first through hole 1011 or independently formed according to the position of the grounding crimping end 10012-3, and the shape of the second through hole 1012 ensures that a part of the grounding crimping end 10012-3 can contact with the inner wall of the second through hole 1012 after penetrating out. In the whole contact structure, different numbers of grounding crimping ends 10012-3 and the conductive buckle plate 101 can be selected, the shape of the conductive buckle plate 101 is reasonably designed as required, as shown in fig. 12 and 19, the grounding crimping ends 10012-3 are connected with the conductive buckle plate 101, common ground interconnection is realized, a backflow path is optimized, the anti-interference capacity of signals is improved, and the transmission capacity of the signals is improved.
As shown in fig. 9, a pair of signal press-connection terminals 10011-3 of the same signal differential pair press-connection terminal is located in the same first through hole, so that the number of holes is reduced, the area of the through holes around the signal press-connection terminal 10011-3 is increased, and when the signal differential pair press-connection terminal is welded with a printed board, a surface layer bonding pad of the printed board is avoided, thereby avoiding poor withstand voltage.
As shown in fig. 10 and 15, a first process groove 10012-31 is formed along at least one contact surface of the grounding crimping end 10012-3, the first process groove 10012-31 can be clamped on a partition plate between two adjacent through holes through a through hole on the conductive buckle plate 101, so that the contact surface is increased, and the spacing can be performed, and the needle-shaped crimping end is processed under the condition that the first process groove 10012-31 is added, so that a metal wire generated by tearing is avoided, and poor pressure resistance is avoided. The first process slots 10012-31 can be disposed between the grounding pins 10012-33 and the bumps 10012-34 or disposed on the bumps 10012-34.
As shown in fig. 9 and 18, when the connector has both the shield plate 1002 and the conductive buckle 101, the conductive buckle 101 is provided with a third through hole 1013 through which the crimp end of the shield plate passes. The conductive buckle 101 covers the crimping end structure 1001b and the shielding sheet crimping end 10023, a first through hole 1011 for the signal crimping end 10011-3 to pass through, a second through hole 1012 for the ground crimping end 10012-3 to pass through, and a third through hole 1013 for the shielding sheet crimping end 10023 to pass through are opened on the conductive buckle 101, all the signal crimping ends 10011-3 are not in contact with the first through hole 1011, at least one of the ground crimping ends 10012-3 and the second through hole 1012 has at least one contact surface, and at least one of the shielding sheet crimping end 10023 and the third through hole 1013 has at least one contact surface.
As shown in fig. 17, the tail of the shielding sheet pressing end 10023 is bent, and the bent shielding sheet pressing end is parallel to the signal differential pair pressing end, and the corresponding third through hole 1013 is more conveniently opened, so as to conveniently penetrate through the third through hole 1013, and the shielding sheet pressing end 10023 penetrates through the third through hole 1013 and then is welded to the printed board, and the two sides of a group of variable shielding sheet pressing ends 10023 are symmetrically drawn out by arranging the adjacent variable shielding sheet pressing ends 10023 into a group, so that the bending force is relatively uniform, the variable shielding sheet pressing end 10023 formed by bending in this way has high flatness, a second process groove 10023-1 can be added between a group of shielding sheet pressing ends 10023, and the second process groove 10023-3 is clamped on the partition board between two adjacent third through holes 1013.
The shield crimp end 10023 is formed by folding or bending, both of which can be achieved by injection molding or shell extraction.
As shown in fig. 13, the shield plate crimp end 10023 is displaced downward and is necessarily closer to the differential pair crimp end and forms a sidewall after bending, such that the upper sidewall, the middle shield plate crimp end 10023, and the lower ground crimp end 10012-3 collectively form a tighter shield to one side of the differential pair crimp end.
As shown in fig. 10, at least one of the shield plate crimping ends 10023 and the third through hole 1013 have at least one contact surface, and by contacting with the conductive buckle 101, the common ground between the conductive buckle 101 and the shield is realized, so that the shield space is increased, and the crosstalk is prevented.
At least one contact surface of any one of the grounding crimping ends 10012-3 and/or the shielding sheet crimping ends 10023, which is in contact with the conductive buckle plate 101, is provided with a bump 10, that is, the grounding contact surface 10012-32 of the grounding crimping end 10012-3 and/or the shielding sheet contact surface 10023-2 of the shielding sheet crimping end 10023 are provided with a bump, and the corresponding contact surface of the conductive buckle plate 101 is a plane, so that the contact effect is optimized. On the contrary, as shown in fig. 12, at least one contact surface of the conductive buckle plate 101 contacting any one of the grounding crimping ends 10012-3 and/or the shielding sheet crimping ends 10012-32 is provided with a convex point, that is, the grounding contact surface 10012-32 of the grounding crimping end 10012-3 and/or the shielding sheet contact surface 10023-2 of the shielding sheet crimping end 10023 are planes, and the corresponding contact surface of the conductive buckle plate 101 is provided with the convex point 10, so that the contact effect is optimized.
The above are merely preferred examples of the present invention and are not intended to limit or restrict the present invention. Various modifications and alterations of this invention will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connector, characterized by: the terminal module (100) comprises terminal sheets (1001) which are arranged side by side along the longitudinal direction, wherein each terminal sheet (1001) comprises a signal differential pair (10011) and a ground terminal (10012) which are sequentially and alternately arranged along the transverse direction, two ends of each terminal sheet (1001) are respectively a contact structure (1001a) and a crimping end structure (1001b), each crimping end structure (1001b) comprises a signal differential pair (10011) crimping end and a ground crimping end (10012-3) which are sequentially and alternately arranged along the transverse direction, each signal differential pair (10011) crimping end comprises a pair of signal crimping ends (10011-3), the middle part of each ground crimping end (10012-3) is bent to form a ground pin (10012-33), and the parts which are not bent at two sides of each ground pin (10012-33) form bumps (10012-34); the extending directions of the crimping ends of the signal differential pairs (10011) are coplanar, a plane determined by two straight lines of the extending directions of a pair of signal crimping ends (10011-3) of the crimping ends of the signal differential pairs (10011) is a first plane (S1), a plane determined by two straight lines of the extending directions of grounding pins (10012-33) adjacent to two sides in the transverse direction is a second plane (S2), a plane determined by two straight lines of the extending directions of bumps (10012-34) on two sides of the grounding pins (10012-33) is a third plane (S3), the first plane (S1) and the second plane (S2) are parallel and do not overlap, and the second plane (S2) and the third plane (S3) are parallel and do not overlap.
2. A connector as defined in claim 1, wherein: the connector further comprises a shielding sheet (1002), the shielding sheet (1002) and the terminal sheet (1001) are arranged alternately along the longitudinal direction, two ends of the shielding sheet (1002) are respectively a shielding sheet spring structure (10021) and a shielding sheet crimping end (10023), a plane where a straight line of the extension direction of the shielding sheet crimping end (10023) is located is a fourth plane (S4), the fourth plane (S4) is parallel to the first plane (S1), the shielding sheet crimping end (10023) is bent towards the first plane (S1), and the distance between the fourth plane (S4) and the first plane (S1) is reduced.
3. A connector as claimed in claim 2, wherein: the shielding sheet (1002) is composed of an outer shielding sheet (1002-1) and an inner shielding sheet (1002-2) which are arranged side by side along the longitudinal direction.
4. A connector as defined in claim 1, wherein: the connector further comprises a conductive buckle plate (101), the conductive buckle plate (101) covers the crimping end structure (1001b), a first through hole (1011) used for enabling the signal crimping end (10011-3) to penetrate out and a second through hole (1012) used for enabling the grounding crimping end (10012-3) to penetrate out are formed in the conductive buckle plate (101), all the signal crimping ends (10011-3) are not in contact with the first through hole (1011) where the signal crimping end (10011-3) is located, and at least one grounding crimping end (10012-3) and the second through hole (1012) are provided with at least one contact surface.
5. A connector as claimed in claim 4, wherein: a pair of signal crimping ends (10011-3) of the same signal differential pair (10011) are positioned in the same first through hole (1011).
6. A connector as claimed in claim 4, wherein: a first process groove (10012-31) is formed along at least one contact surface of the ground crimp terminal (10012-3).
7. A connector as claimed in claim 2, wherein: the connector further comprises a conductive buckle plate (101), the conductive buckle plate (101) covers the crimping end structure (1001b) and the shielding sheet crimping end (10023), a first through hole (1011) for the signal crimping end (10011-3) to penetrate out, a second through hole (1012) for the grounding crimping end (10012-3) to penetrate out and a third through hole (1013) for the shielding sheet crimping end (10023) to penetrate out are formed in the conductive buckle plate (101), all the signal crimping ends (10011-3) are not in contact with the first through hole (1011) where the signal crimping end (10011-3) is located, at least one contact surface is formed between at least one grounding crimping end (10012-3) and the second through hole (1012), and at least one contact surface is formed between at least one shielding sheet crimping end (10023) and the third through hole (1013).
8. A connector as defined in claim 7, wherein: a second process groove (10023-1) is formed between the adjacent two shielding sheet crimping ends (10023), so that the second process groove (10023-1) is clamped with the guide buckle plate (101).
9. A connector as claimed in claim 4 or 7, wherein: at least one contact surface of any one grounding crimping end (10012-3) and/or the shielding sheet crimping end (10023) and the conductive buckle plate (101) is provided with a convex point (10).
10. A connector as claimed in claim 4 or 7, wherein: at least one contact surface of the conductive buckle plate (101) contacted with any one grounding crimping end (10012-3) and/or the shielding sheet crimping end (10023) is provided with a convex point (10).
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| CN202110826257.2A CN113571972B (en) | 2021-07-21 | 2021-07-21 | Connector |
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| CN202110826257.2A CN113571972B (en) | 2021-07-21 | 2021-07-21 | Connector |
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| CN113571972A true CN113571972A (en) | 2021-10-29 |
| CN113571972B CN113571972B (en) | 2023-11-28 |
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| US20090093158A1 (en) * | 2007-10-09 | 2009-04-09 | Mcalonis Matthew Richard | Performance enhancing contact module assemblies |
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|---|---|
| CN113571972B (en) | 2023-11-28 |
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