CN110544850A - reliable elastic contact high-speed low-loss connector and interconnection system - Google Patents
reliable elastic contact high-speed low-loss connector and interconnection system Download PDFInfo
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- CN110544850A CN110544850A CN201910821524.XA CN201910821524A CN110544850A CN 110544850 A CN110544850 A CN 110544850A CN 201910821524 A CN201910821524 A CN 201910821524A CN 110544850 A CN110544850 A CN 110544850A
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- butt joint
- shaped
- grounding
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- 239000004033 plastic Substances 0.000 claims abstract description 49
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 claims description 68
- 230000013011 mating Effects 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241001597062 Channa argus Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
- E04B1/34815—Elements not integrated in a skeleton
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8218—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only soundproof enclosures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—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
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- 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
- 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
- H01R13/6582—Shield structure with resilient means for engaging mating connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Abstract
The invention discloses a high-speed low-loss connector and an interconnection system with reliable elastic contact, which comprise a male end shell, a groove-shaped terminal, a first knife-shaped terminal, a second knife-shaped terminal, a female end shell, a signal terminal pair, a grounding terminal, a wafer and a shielding body, wherein a ground pin is designed into two opposite D-shaped structures to realize the contact of side walls and the contact of a shielding layer which is designed into an equilateral triangle elastic sheet with an adjacent grounding terminal, so that the damage and the deadlocking of the existing structure are avoided, the falling risk is reduced, and spaced columnar bulges are arranged to be in contact with the ground pin; set up the cone plastic post and pass the shielding body and realize the fixed to the shielding layer through extrusion cone plastic post, realize that device difference signal is peripheral to be kept apart each other by the purpose that EMI and EMC and improvement crosstalk through the ground contact of ground needle mutual contact and shielding.
Description
Technical Field
the present invention relates to the field of electronics and communications, and more particularly, to a high speed, low loss connector and interconnection system with reliable resilient contact.
Background
in a connector system, when devices are mated with each other, in order to ensure the reliability of connection, each connection subsystem must be able to ensure connection with good reliability. The contact of single point on 0.2mm cross-section width of current structure mode has the defect that the contact landing, life-span are low, and this kind of contact on the cross-section arris causes the card easily to die, and the poor condition of contact quality causes contact failure easily and causes the distortion of high-speed signal transmission.
in order to solve the problem that the prior contact mode takes an edge with the width of 0.2mm as a contact part, the risk of falling and blocking of an elastic arm is extremely high, 75% of area contact is calculated when the edge of the contact part of another device in contact with the elastic arm deflects by 1 degree, only about 50% of area contact is calculated when the edge deflects by 2 degrees, and the elastic arm falls off probably under the conditions of vibration and assembly errors, so that the elastic arm is blocked or is in contact with elements with different functions, and the electric transmission failure is caused. The deflection of the contact part is caused by the fact that the device is formed by metal punch forming, and due to stress and precision factors, according to the existing structure, the stress is difficult to eliminate, and the cost is greatly increased when the forming precision is improved; meanwhile, impedance and crosstalk are very important consideration factors in a high-speed connection system, the quality of electric signal transmission is directly influenced, and the defects of poor impedance adaptation, poor crosstalk and small guiding capability caused by large characteristic width and short guiding of the original pressing plate are urgently needed to be solved.
aiming at the shielding component with the functions of EMI and EMC, in order to make the shielding component contact with the corresponding component well, the state that the shape of a spring snake in the original shielding layer is square and the direction is opposite to the butting direction is solved, and the state easily causes the phenomenon of blocking because the size and the angle of a spring arm are not well controlled to cause the damage of an inserted component.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a high-speed low-loss connector and an interconnection system with reliable elastic contact.A ground pin is designed into two opposite D-shaped structures to realize the contact of the side wall and the contact of a shielding layer which is designed into an equilateral triangle elastic sheet and an adjacent ground terminal, so that the damage and the blocking of the existing structure are avoided, the falling risk is reduced, and spaced columnar bulges are arranged to be in contact with the ground pin; set up the cone plastic post and pass the shielding body and realize the fixed to the shielding layer through extrusion cone plastic post, realize that device difference signal is peripheral to be kept apart each other by the purpose that EMI and EMC and improvement crosstalk through the ground contact of ground needle mutual contact and shielding.
the technical purpose of the invention is realized by the following technical scheme:
in one embodiment, a high speed, low loss connector with reliable spring contacts is provided, comprising:
a female housing having a mating face;
the signal terminal pair is provided with two signal terminals which are adjacently arranged, each signal terminal pair sequentially comprises a signal contact part, a signal tail part connected with the female end circuit board and a signal body part extending between the signal contact part and the signal tail part, and the signal contact part is positioned on one side of the female end shell and butted into the female end shell;
the grounding terminal is adjacent to the signal terminal pair and positioned between the adjacent signal terminal pair in an alternating mode, the grounding terminal comprises a grounding contact part, a grounding tail part and a grounding body part extending between the grounding contact part and the grounding tail part, and the grounding contact part sequentially comprises two symmetrical elastic wall base bodies, a D-shaped elastic terminal and a D-shaped terminal base body connecting the elastic wall base bodies and the D-shaped elastic terminal;
the external fixing frame is provided with a plurality of inserting holes and used for signal tail and grounding external insertion limiting;
the D-shaped elastic terminal is arranged towards the butt joint surface B, a signal groove which is opposite to and communicated with the signal terminal pair is arranged in the corresponding range of the symmetrical groove of the wafer, the signal groove is arranged at intervals along the extending direction of the signal body part, a plurality of conical plastic columns are arranged on the position of the butt joint surface A outside the signal groove, and the diameter of the connecting end of each conical plastic column and the butt joint surface A is larger than the diameter of the outer side;
The shielding body is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body positioned in the female end shell is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body, and the inclined elastic end faces to the direction which is relatively parallel to the butt joint surface A and is obliquely arranged towards the direction of the butt joint surface A; the shielding body is provided with columnar bulges at the bottom end of the butt joint surface A at intervals, and the columnar bulges are all positioned in the corresponding range of the grounding tail part and are contacted with the grounding tail part.
In another embodiment, a reliable spring contact high speed low loss interconnection system is provided, comprising:
a male end housing;
The groove-shaped terminals are arranged in an array mode and supported by the male end shell, and each groove-shaped terminal comprises a terminal base body, arc-shaped parts symmetrically positioned in the middle of the terminal base body and wing parts positioned on two opposite sides of the terminal base body and arranged on the arc-shaped parts;
the first blade-shaped terminal and/or the second blade-shaped terminal are/is designed into a flat streamline phoenix-eye-shaped structure, the maximum width of the first blade-shaped terminal and/or the second blade-shaped terminal is less than 0.31mm, and the length of the first blade-shaped terminal is more than 1.5 mm;
The female end shell is provided with one surface which is constructed to be in butt joint with the male end shell, a grounding hole, a first signal hole and a second signal hole which are respectively used for inserting the groove-shaped terminal, the first blade-shaped terminal and the second blade-shaped terminal are arranged on the butt joint surface, and a plastic rectangular column is arranged between the adjacent grounding holes in the same row;
the signal terminal pair is provided with two signal terminals which are arranged adjacently, each signal terminal pair sequentially comprises a signal contact part, a signal tail part connected with the female end circuit board and a signal body part extending between the signal contact part and the signal tail part, the signal contact part is positioned on one side of the female end shell and butted into a first signal hole and a second signal hole in the female end shell, and the end part of the signal contact part is elastically butted with the top end planes of a first knife-edge terminal and a second knife-edge terminal inserted into the first signal hole and the second signal hole;
the grounding terminal is adjacent to the signal terminal pair and positioned between the adjacent signal terminal pair in an alternating mode, the grounding terminal comprises a grounding contact part, a grounding tail part and a grounding body part extending between the grounding contact part and the grounding tail part, the grounding contact part sequentially comprises two symmetrical elastic wall base bodies, a D-shaped elastic terminal and a D-shaped terminal base body, the elastic wall base bodies and the D-shaped elastic terminal are connected, the D-shaped elastic terminal is arranged towards the plastic rectangular column, the protruding parts of the D-shaped elastic terminal are in elastic abutting joint with the plastic rectangular column, and the protruding parts of two sides of the D-shaped elastic terminal are in extrusion abutting joint with the outer wall of the wing part of the groove-shaped terminal;
The female end shell is used for supporting one or more shields, and is provided with a butt joint surface A, a butt joint surface B and a butt joint groove formed in the butt joint surface A, wherein the butt joint surface A, the butt joint surface B and the butt joint groove are vertically arranged;
the shielding body is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body positioned in the female end shell is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body, and the inclined elastic end faces to the direction which is relatively parallel to the butt joint surface A and is obliquely arranged towards the direction of the butt joint surface A; the shielding body is provided with columnar bulges at the bottom end of the butt joint surface A at intervals, and the columnar bulges are all positioned in the corresponding range of the grounding tail part and are contacted with the grounding tail part.
in summary, compared with the prior art, the beneficial effects of the invention are as follows:
1. the problem that the snake head shape of the elastic sheet in the original shielding layer is provided with a square shape which is opposite to the direction in the butt joint process, and the state easily causes the phenomenon of blocking due to damage of an inserted element caused by poor control of the size and the angle of an elastic arm; according to the invention, the equilateral triangle elastic piece is arranged to be contacted with the grounding device of the butt joint end element, and the direction of the equilateral triangle elastic piece is consistent with the action direction during butt joint, namely, the equilateral triangle elastic piece conforms to the butt joint direction, so that the damage and the blocking are avoided;
2. in order to solve the defect that the contact between the existing complicated finger-shaped structure and the grounding element is difficult to control, the columnar bulges are arranged on the shielding layer of the area near the EON at intervals and are contacted with the corresponding grounding element, and the mode can well realize the grounding and is simple and low in cost;
3. in order to solve the defect that a metal piece is unstable in fixation due to non-elastic contact, a certain number of holes which are arranged in a certain mode are formed in a shielding device, plastic penetrates through the holes, the plastic penetrating through the holes is set into a conical column, the diameter of the conical head is enlarged to form a diameter larger than the holes by extruding the conical plastic column, and the height of the conical head is reduced, so that the shielding is blocked and fixed.
drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic structural view of a male end portion in the embodiment;
FIG. 3 is a schematic structural diagram of a blade terminal according to an embodiment;
FIG. 4 is a schematic structural view of a female end portion in the embodiment;
FIG. 5 is a schematic structural diagram of a shield according to an embodiment;
fig. 6 is a composition diagram of a signal terminal pair and a ground terminal in the embodiment;
Fig. 7 is a schematic structural diagram of a wafer in an embodiment.
reference numerals: 1. a male end portion; 2. a female end portion; 3. a groove-type terminal; 4. a blade terminal; 5. a sheet body; 6. a shield; 7. a pair of signal terminals; 71. a signal contact portion; 72. a signal tail; 73. a signal body section; 8. a ground terminal; 81. a ground contact; 811. a bullet wall substrate; 812. a D-shaped terminal base body; 813. a D-shaped bullet wall; 82. a ground tail; 83. a ground body portion; 9. a female end housing; 91. a ground hole; 92. a signal aperture; 10. a limiting sheet; 11. a grounding elastic body; 12. plastic step; 13. a groove is embedded; 14. an elastic rubber body; 15. a rubber column; 16. inserting the column; 17. the round edge is convex; 18. an equilateral triangle spring plate; 19. a columnar bulge; 20. a male end housing.
detailed description of the preferred embodiments
The following detailed description describes exemplary embodiments and is not intended to be limited to the explicitly disclosed combinations. Various features of fig. 1-7 provide details of a high speed low loss connector and interconnect system that can be used to provide a reliable spring contact. However, not all features are necessary to provide a suitable connector. Thus, unless otherwise indicated, the features disclosed herein can be removed and/or combined together to form a number of additional combinations (not shown for the sake of brevity).
The invention is described in further detail below with reference to the accompanying drawings.
referring to fig. 1 to 7, a connector system composed of a male terminal 1 and a female terminal 2 is disclosed, in which the male terminal 1 and the female terminal 2 are respectively mounted on a male circuit board and a female circuit board, and in the actual mounting process, the male circuit board is vertically disposed and the female circuit board is horizontally disposed.
The male end portion 1 includes:
a male end housing 20, including a pair of vertical surfaces and a connecting side surface, the vertical surfaces are provided with contraposition parts on opposite planes to facilitate the correct butt joint of the male end part 1 and the female end part 2, and the connecting side surface is provided with a plurality of penetrating mounting holes;
the groove-type terminals 3 are arranged in an array and supported by the belonging male end housing 20, in the installation and arrangement process of the male end housing 20, in this embodiment, a straight line connected with opposite surfaces of the male end housing 20 is taken as a row direction, 3 groove-type terminals 3 are arranged at equal intervals in each row (the number of the groove-type terminals 3 in each row is set according to specific requirements), and meanwhile, each groove-type terminal 3 and the groove-type terminals 3 in adjacent rows are arranged at intervals in a staggered mode at a certain length, specifically, as shown in the figure, each groove-type terminal 3 comprises a terminal base body, arc-shaped parts symmetrically arranged in the middle of the terminal base body, and wing parts arranged on the arc-shaped parts and arranged on two opposite sides of the terminal base body; specifically, the terminal base body is arranged vertically to the opposite surface and the connecting side surface, and the arc-shaped part and the wing part are arranged parallel to the opposite surface;
a first knife-edge terminal 4 and a second knife-edge terminal 4 are supported by the male end shell 20, the first knife-edge terminal 4 and the second knife-edge terminal 4 are symmetrically arranged between the opposite wing parts of the groove-shaped terminal 3, the first knife-edge terminal 4 and/or the second knife-edge terminal 4 are designed to be flat streamline phoenix-eye-shaped structures, the maximum width is less than 0.31mm, the length is greater than 1.5mm, and the problems of impedance and crosstalk caused by the characteristics of the existing large-size pressing plate and the problem of guiding caused by short guiding are solved.
The female end 2 includes:
A female housing 9 having a surface configured to be abutted against the male housing 20, and a ground hole 91, a first signal hole 92 and a second signal hole 92 for inserting the groove-type terminal 3, the first blade-type terminal 4 and the second blade-type terminal 4 are respectively arranged on the abutted surface, specifically and respectively as shown in the figure, and plastic rectangular columns are arranged between adjacent ground holes 91 in the same row, and the width of each plastic rectangular column is not greater than the distance between adjacent ground holes 91;
A signal terminal pair 7 having two signal terminals adjacently arranged, each signal terminal pair 7 sequentially including a signal contact portion 71, a signal tail portion 72 connected to the female terminal circuit board, and a signal body portion 73 extending between the signal contact portion 71 and the signal tail portion 72, the signal contact portion 71 being located at one side of the female terminal housing 9 and butted into a first signal hole 92 and a second signal hole 92 in the female terminal housing 9, an end portion of the signal contact portion 71 elastically butted against top end planes of the first blade terminal 4 and the second blade terminal 4 inserted into the first signal hole 92 and the second signal hole 92;
A grounding terminal 8 adjacent to the signal terminal pair 7 and located between the adjacent signal terminal pair 7 alternately, the grounding terminal 8 includes a grounding contact portion 81, a grounding tail portion 82, and a grounding body portion 83 extending between the grounding contact portion 81 and the grounding tail portion 82, the grounding contact portion 81 includes two symmetrical elastic wall base bodies 811, D-shaped elastic terminals, and a D-shaped terminal base body 812 connecting the elastic wall base bodies 811 and the D-shaped elastic terminals, the D-shaped elastic terminals are disposed toward the plastic rectangular column, and the convex portions of the D-shaped elastic terminals are elastically abutted with the plastic rectangular column, the convex portions of both sides of the D-shaped elastic terminals are pressed and abutted with the outer wall of the wing portion of the groove-shaped terminal 3, and the grounding contact portion 81 is provided with a grounding elastic body 11 contacting with the shielding body 6 on the adjacent wafer 5 between the grounding elastic base bodies;
a wafer 5 supported by the female housing 9 and supporting one or more shields 6, having a vertically disposed mating surface a, a mating surface B, and a mating groove formed on the mating surface a, the wafer 5 being provided with a signal groove opposite to and communicating with the signal terminal pair 7 in a range corresponding to the symmetrical groove, the signal groove being disposed at intervals along the extending direction of the signal body 73, the mating surface a being provided with a plurality of tapered plastic posts at positions outside the signal groove, and the diameter of the connecting end of the tapered plastic posts and the mating surface a being larger than the outside diameter;
a shielding body 6, which has a shielding layer hole penetrating with the conical plastic column, the end of the shielding body 6 in the female shell 9 is provided with equilateral triangle shrapnel 18 contacting with the grounding device of the butt-joint end element along the vertical direction of the butt-joint face A at intervals, and one end of the equilateral triangle shrapnel 18 is connected with the shielding body 6, the inclined elastic end is opposite to the butt-joint face A in the direction and is parallel to the butt-joint face A, and is inclined towards the butt-joint face A.
the application is effectively improved and innovated in connection of parts of the female end shell 9, the sheet 5 and the shield 6, and specifically comprises the following steps:
Positioning and fixing of each sheet 5:
the L-shaped limiting pieces 10 are inserted into the L-shaped limiting pieces and connected in an extrusion mode to limit and fix the thin sheets 5, and meanwhile, the limiting pieces 10 are partially protruded from the thin sheets 5 to limit the thin sheets.
The horizontal end of the limiting sheet 10 which is designed in an L shape is located above, the horizontal end of the limiting sheet 10 is provided with an inserting groove along the vertical direction, the upper portion of the sheet body 5 is provided with an inserting cavity at intervals to form an inserting column 16, the inserting column 16 is provided with a round corner which is convenient for inserting the inserting groove to embed into the inserting groove at the inserting head end, the two sides of the inserting column 16 are provided with round edge protrusions 17, the two sides of the inserting groove are provided with vertical cut angles which are convenient for the limiting sheet 10 to pass through the round edge protrusions 17, and the bottoms of the two sides of the.
fixation of the female housing 9 to the sheet 5:
female end casing 9 is connected through the semi-enclosed formula that upper and lower both ends cup jointed with thin slice body 5, every thin slice body 5 is provided with plastic step 12 in the upper and lower both ends symmetry that is located female end casing 9 one side, plastic step 12 is the setting of L type, and its right angle face sets up female end casing 9 back to, specifically, the horizontal end of plastic step 12 links to each other with thin slice body 5 upper end or lower extreme, the vertical end of plastic step 12 is vertical upwards when thin slice body 5 upper end, and vertical end length is less than horizontal end length, female end casing 9 all offers the embedded groove 13 that is used for the vertical end embedding of plastic step 12 in the position relative with every plastic step 12, be provided with the elastomer relative with the horizontal end of plastic step 12 in the embedded groove 13, and the elastomer is crooked towards the horizontal end of plastic step 12.
the above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (8)
1. A high speed, low loss connector with reliable spring contact, comprising:
a female housing having a mating face;
the signal terminal pair is provided with two signal terminals which are adjacently arranged, each signal terminal pair sequentially comprises a signal contact part, a signal tail part connected with the female end circuit board and a signal body part extending between the signal contact part and the signal tail part, and the signal contact part is positioned on one side of the female end shell and butted into the female end shell;
The grounding terminal is adjacent to the signal terminal pair and positioned between the adjacent signal terminal pair in an alternating mode, the grounding terminal comprises a grounding contact part, a grounding tail part and a grounding body part extending between the grounding contact part and the grounding tail part, and the grounding contact part sequentially comprises two symmetrical elastic wall base bodies, a D-shaped elastic terminal and a D-shaped terminal base body connecting the elastic wall base bodies and the D-shaped elastic terminal;
The external fixing frame is provided with a plurality of inserting holes and used for signal tail and grounding external insertion limiting;
The D-shaped elastic terminal is arranged towards the butt joint surface B, a signal groove which is opposite to and communicated with the signal terminal pair is arranged in the corresponding range of the symmetrical groove of the wafer, the signal groove is arranged at intervals along the extending direction of the signal body part, a plurality of conical plastic columns are arranged on the position of the butt joint surface A outside the signal groove, and the diameter of the connecting end of each conical plastic column and the butt joint surface A is larger than the diameter of the outer side;
the shielding body is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body positioned in the female end shell is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body, and the inclined elastic end faces to the direction which is relatively parallel to the butt joint surface A and is obliquely arranged towards the direction of the butt joint surface A; the shielding body is provided with columnar bulges at the bottom end of the butt joint surface A at intervals, and the columnar bulges are all positioned in the corresponding range of the grounding tail part and are contacted with the grounding tail part.
2. a reliable spring contact high speed low loss interconnection system comprising:
a male end housing;
the groove-shaped terminals are arranged in an array mode and supported by the male end shell, and each groove-shaped terminal comprises a terminal base body, arc-shaped parts symmetrically positioned in the middle of the terminal base body and wing parts positioned on two opposite sides of the terminal base body and arranged on the arc-shaped parts;
The first blade-shaped terminal and/or the second blade-shaped terminal are/is designed into a flat streamline phoenix-eye-shaped structure, the maximum width of the first blade-shaped terminal and/or the second blade-shaped terminal is less than 0.31mm, and the length of the first blade-shaped terminal is more than 1.5 mm;
The female end shell is provided with one surface which is constructed to be in butt joint with the male end shell, a grounding hole, a first signal hole and a second signal hole which are respectively used for inserting the groove-shaped terminal, the first blade-shaped terminal and the second blade-shaped terminal are arranged on the butt joint surface, and a plastic rectangular column is arranged between the adjacent grounding holes in the same row;
the signal terminal pair is provided with two signal terminals which are arranged adjacently, each signal terminal pair sequentially comprises a signal contact part, a signal tail part connected with the female end circuit board and a signal body part extending between the signal contact part and the signal tail part, the signal contact part is positioned on one side of the female end shell and butted into a first signal hole and a second signal hole in the female end shell, and the end part of the signal contact part is elastically butted with the top end planes of a first knife-edge terminal and a second knife-edge terminal inserted into the first signal hole and the second signal hole;
The grounding contact part comprises two symmetrical elastic wall base bodies, D-shaped elastic terminals and a D-shaped terminal base body, wherein the elastic wall base bodies are connected with the elastic wall base bodies and the D-shaped elastic terminals, the D-shaped elastic terminals are arranged towards the plastic rectangular column, and the protruding parts of the D-shaped elastic terminals are in extrusion butt joint with the elastic butt joint of the plastic rectangular column, the protruding parts of two sides of the D-shaped elastic terminals and the wing part outer walls of the groove-shaped terminals.
3. A reliable resilient contact high speed low loss interconnection system as claimed in claim 2, wherein: the female end shell is used for supporting one or more shields, and is provided with a butt joint surface A, a butt joint surface B and a butt joint groove formed in the butt joint surface A, wherein the butt joint surface A and the butt joint surface B are vertically arranged, the butt joint groove is formed in the butt joint surface A, the wafer is provided with a signal groove which is opposite to and communicated with the signal terminal pair in the corresponding range of the symmetrical groove, the signal groove is arranged at intervals along the extending direction of the signal body, the position of the butt joint surface A outside the signal groove is provided with a plurality of conical plastic columns, and the diameter of the connecting end of each conical plastic column and the corresponding joint surface A is larger than the diameter.
4. a reliable resilient contact high speed low loss interconnection system as claimed in claim 2, wherein: the shielding body is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body positioned in the female end shell is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body, and the inclined elastic end faces to the direction which is relatively parallel to the butt joint surface A and is obliquely arranged towards the direction of the butt joint surface A; the shielding body is provided with columnar bulges at the bottom end of the butt joint surface A at intervals, and the columnar bulges are all positioned in the corresponding range of the grounding tail part and are contacted with the grounding tail part.
5. a reliable spring contact high speed low loss interconnection system comprising:
a male end housing;
The groove-shaped terminals are arranged in an array mode and supported by the male end shell, and each groove-shaped terminal comprises a terminal base body, arc-shaped parts symmetrically positioned in the middle of the terminal base body and wing parts positioned on two opposite sides of the terminal base body and arranged on the arc-shaped parts;
the first blade-shaped terminal and/or the second blade-shaped terminal are/is designed into a flat streamline phoenix-eye-shaped structure, the maximum width of the first blade-shaped terminal and/or the second blade-shaped terminal is less than 0.31mm, and the length of the first blade-shaped terminal is more than 1.5 mm;
The female end shell is provided with one surface which is constructed to be in butt joint with the male end shell, a grounding hole, a first signal hole and a second signal hole which are respectively used for inserting the groove-shaped terminal, the first blade-shaped terminal and the second blade-shaped terminal are arranged on the butt joint surface, and a plastic rectangular column is arranged between the adjacent grounding holes in the same row;
the signal terminal pair is provided with two signal terminals which are arranged adjacently, each signal terminal pair sequentially comprises a signal contact part, a signal tail part connected with the female end circuit board and a signal body part extending between the signal contact part and the signal tail part, the signal contact part is positioned on one side of the female end shell and butted into a first signal hole and a second signal hole in the female end shell, and the end part of the signal contact part is elastically butted with the top end planes of a first knife-edge terminal and a second knife-edge terminal inserted into the first signal hole and the second signal hole;
The grounding terminal is adjacent to the signal terminal pair and positioned between the adjacent signal terminal pair in an alternating mode, the grounding terminal comprises a grounding contact part, a grounding tail part and a grounding body part extending between the grounding contact part and the grounding tail part, the grounding contact part sequentially comprises two symmetrical elastic wall base bodies, a D-shaped elastic terminal and a D-shaped terminal base body, the elastic wall base bodies and the D-shaped elastic terminal are connected, the D-shaped elastic terminal is arranged towards the plastic rectangular column, the protruding parts of the D-shaped elastic terminal are in elastic abutting joint with the plastic rectangular column, and the protruding parts of two sides of the D-shaped elastic terminal are in extrusion abutting joint with the outer wall of the wing part of the groove-shaped terminal;
the female end shell is used for supporting one or more shields, and is provided with a butt joint surface A, a butt joint surface B and a butt joint groove formed in the butt joint surface A, wherein the butt joint surface A, the butt joint surface B and the butt joint groove are vertically arranged;
The shielding body is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body positioned in the female end shell is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body, and the inclined elastic end faces to the direction which is relatively parallel to the butt joint surface A and is obliquely arranged towards the direction of the butt joint surface A; the shielding body is provided with columnar bulges at the bottom end of the butt joint surface A at intervals, and the columnar bulges are all positioned in the corresponding range of the grounding tail part and are contacted with the grounding tail part.
6. A reliable resilient contact high speed low loss connector or interconnection system as claimed in any one of claims 1 to 5, wherein: the ground contact portion is provided with a ground elastic body that is in contact with the shield on the adjacent sheet body between the ground elastic bodies.
7. a reliable resilient contact high speed low loss connector or interconnection system as claimed in any one of claims 1 to 5, wherein: female end casing with the body of flake is connected through the semi-enclosed formula that cup joints in upper and lower both ends, the upper and lower both ends symmetry that the body of flake is located female end casing one side is provided with the plastic step, the plastic step is the setting of L type, and its right angle face sets up female end casing back to, the embedded groove that is used for the vertical end embedding of plastic step is all offered at the position relative with every plastic step to female end casing, be provided with in the embedded groove with the relative elastomer of the horizontal end of plastic step, and the crooked butt of horizontal end of elastomer towards the plastic step.
8. a reliable resilient contact high speed low loss connector or interconnection system as claimed in any one of claims 1 to 5, wherein: the slice body is connected with the limiting piece in an L-shaped design in an inserting mode and is limited and fixed by adopting extrusion connection, the horizontal end of the limiting piece is located above, the horizontal end of the limiting piece is provided with an inserting groove along the vertical direction, the upper portion of the female-end rear shell is provided with inserting cavities at intervals to form inserting columns, and the inserting columns are provided with round corners convenient for inserting the inserting grooves at the inserting head ends and are provided with round edge protrusions at two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821524.XA CN110544850A (en) | 2019-09-02 | 2019-09-02 | reliable elastic contact high-speed low-loss connector and interconnection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821524.XA CN110544850A (en) | 2019-09-02 | 2019-09-02 | reliable elastic contact high-speed low-loss connector and interconnection system |
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| Publication Number | Publication Date |
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| CN110544850A true CN110544850A (en) | 2019-12-06 |
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|---|---|---|---|
| CN201910821524.XA Pending CN110544850A (en) | 2019-09-02 | 2019-09-02 | reliable elastic contact high-speed low-loss connector and interconnection system |
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