CN109301544A - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN109301544A CN109301544A CN201811170243.4A CN201811170243A CN109301544A CN 109301544 A CN109301544 A CN 109301544A CN 201811170243 A CN201811170243 A CN 201811170243A CN 109301544 A CN109301544 A CN 109301544A
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- CN
- China
- Prior art keywords
- terminal
- collets
- signal terminal
- groove
- electric connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6477—Impedance matching by variation of dielectric properties
-
- 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
-
- 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
Abstract
The invention discloses a kind of electric connectors, electrically dock a first element forward, are electrically conducted a second element backward characterized by comprising a collets;Terminal is arranged on one is set to collets, it has at least one first signal terminal, once row's terminal is set to collets, it has an at least second signal terminal, first signal terminal and second signal terminal extend back collets rear, and the first signal terminal and second signal terminal are least partially overlapped in the up and down direction of collets;One shielding piece, is fixed on collets and positioned at upper row's terminal and lower row's terminal between, and shielding piece has an at least groove and positioned at collets rear, and groove is between the first signal terminal and second signal terminal.
Description
Technical field
The present invention relates to a kind of electric connectors, more particularly, to a kind of electric connector for transmitting high frequency.
Background technique
A known electric connector a comprising insulating body, the insulating body include a collets, collets and two rows
Terminal integrated injection molding, an intershield piece is located between two rows of terminals, to do shielding action.Terminal has one to fix
Portion is embedded in the collets, and self-fixed department extends forward a contact portion, has an arc contact point on contact portion, and right
Connecting connector contact, self-fixed department extend back a pin, have a contact portion on pin, with circuit board contacts.
Wherein, the rate of electric connector transmission in the prior art is 40Gbps, but with the development of digital technology, it passes
Defeated rate is that the electric connector of 40 Gbps is obvious or inadequate, the electric connector for the transmission rate that certainly will need more to increase,
While electric connector rate improves, impedance will also be matched, the impedance of the terminal of the prior art and increasingly cumulative electric connector
Rate does not match that.
Therefore, it is necessary to a kind of new electric connector be designed, to overcome the above problem.
Summary of the invention
Creation of the invention is designed to provide multiple signal terminals and is arranged to opposite two rows, and shielding piece has one
Groove is between two row of signal terminals, to adjust a kind of electric connector of impedance.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of electric connector, electrically docking 1 the forward
One element is electrically conducted a second element backward characterized by comprising a collets;Terminal is arranged on one is set to the insulation
Block has at least one first signal terminal, once arranges terminal and is set to the collets, has an at least second signal end
Son, first signal terminal and the second signal terminal extend back the collets rear, and first signal
Terminal and the second signal terminal are least partially overlapped in the up and down direction of the collets;One shielding piece, is fixed on institute
State collets and between upper row's terminal and lower row's terminal, the shielding piece has an at least groove and is located at institute
Collets rear is stated, the groove is between first signal terminal and the second signal terminal.
Further, the collets have one first collets and one second collets, and upper row's terminal is set to described
In first collets, lower row's terminal is set in second collets, and the shielding piece is held on first collets
Between second collets.
Further, upper row's terminal has a pair of first difference signal terminal, and lower row's terminal has a pair second
Difference signal terminal, multiple grooves have one first groove, and first difference signal terminal and second difference are believed
Number terminal is least partially overlapped in the up and down direction of the insulating body, and first groove is located at the first difference signal terminal
Between second difference signal terminal.
Further, first difference signal terminal has an interconnecting piece, and the interconnecting piece has a first segment and from institute
The second segment that first segment extends forward is stated, the first segment extends back first collets, and the second segment is fixed
In first insulating body, the distance of the two neighboring first segment is greater than the distance of the two neighboring second segment, and one turn
Trisection connects the first segment and the second segment, and the turn section and the slot bottom of first groove are correspondingly arranged up and down.
Further, first difference signal terminal and second difference signal terminal are in arranged symmetrically up and down.
Further, upper row's terminal has a pair of first low speed signal terminal, and lower row's terminal has a pair second
The upper and lower of low speed signal terminal, the first low speed signal terminal and the second low speed signal terminal in the insulating body
Least partially overlapped upwards, multiple grooves have one second groove, and second groove is located at first low speed signal
Between terminal and the second low speed signal terminal.
Further, recessed one first cavity of the first collets rear surface, second collets rear end recessed 1
Two cavitys, first groove is between first cavity and second cavity.
Further, the bottom of chamber with the bottom of chamber of the second cavity of first cavity flush up and down, the slot bottom of first groove
It is flushed up and down with the bottom of chamber of first cavity.
Further, first difference signal terminal is revealed in first cavity, second difference signal terminal
It is revealed in second cavity.
Further, there is an abutting part, to abut described second yuan between first groove and second groove
Part.
Further, each terminal has an interconnecting piece, is fixed on the collets, the interconnecting piece is in front-rear direction
Upper horizontally disposed, the interconnecting piece rear end is revealed in the rear of the collets, and the groove corresponds to first signal terminal
The interconnecting piece rear end and the second signal terminal the interconnecting piece rear end.
Further, there is an insulating body, to accommodate the collets and multiple terminals, after the insulating body
A recessed accommodating chamber is held, to accommodate the second element, the groove is located in the accommodating chamber.
Further, each terminal have an interconnecting piece, be fixed in the collets, from the interconnecting piece front end to
One first conducting portion of preceding extension, the first element in electrical contact, multiple first turning parts are set to institute at two rows
It states in butt cavity, extends back one second conducting portion from the interconnecting piece rear end, be electrically conducted the second element, it is multiple described
Second turning part is set in the accommodating chamber at two rows.
Further, the second element is a circuit board, between the two rows of junctions of second element insertion and is supported
The shielding piece is connect, the groove is located at the front of the second element.
Compared with prior art, the groove be revealed in collets rear end, the first signal terminal and second signal terminal to
After extend collets rear end, groove is between the first signal terminal and second signal terminal, to increase the first signal
Positive area between terminal and second signal terminal, the impedance adjusted between the first signal terminal and second signal terminal are special
Property, to meet the resistance requirements of the electric connector of more preferable rate.
[Detailed description of the invention]
The stereogram exploded view of the electric connector of Fig. 1 the embodiment of the present invention;
Fig. 2 is the stereogram exploded view at another visual angle of electric connector of Fig. 1;
Fig. 3 is the three-dimensional assembly diagram of the electric connector of Fig. 1;
Fig. 4 is the cross-sectional view along A-A of Fig. 3;
Fig. 5 is the first collets of the electric connector of Fig. 1 and the exploded perspective view of the second collets;
Fig. 6 is the top view of the first terminal module of the electric connector of Fig. 1;
Fig. 7 is the first collets of Fig. 1 and the assembling view of the second collets;
Fig. 8 is the perspective view of the two rows terminal of the electric connector of Fig. 1;
Fig. 9 is the three-dimensional assembly diagram of the first collets of the electric connector of Fig. 1, the second collets and shielding piece;
Figure 10 is the three-dimensional cutaway view of the first terminal module of the electric connector of Fig. 1, Second terminal module and shielding piece;
Figure 11 is the cross-sectional view of the electric connector in Fig. 9;
Figure 12 is the cross-sectional view of the electric connector in Fig. 9.
The drawing reference numeral of specific embodiment illustrates:
Insulating body | 1 | Butt cavity | 10 | Upper plate | 11 |
Upper convex portion | 110 | Lower plate | 12 | Lower protrusion | 120 |
Side plate | 13 | Channel | 130 | Terminal groove | 14 |
Through hole | 15 | Non-through hole | 16 | Accommodating chamber | 17 |
Side wall | 18 | Through-hole | 180 | ||
Terminal | 2 | Interconnecting piece | 20 | First segment | 201 |
Second segment | 202 | Turn section | 203 | First conducting portion | 21 |
First contact point | 210 | Second conducting portion | 22 | Second contact point | 220 |
Bending part | 221 | ||||
First ground terminal | G1 | First difference signal terminal | S1 | First power supply terminal | P1 |
First reserved terminal | V1 | First low speed terminal | D1 | ||
Second ground terminal | G2 | Second difference signal terminal | S2 | Second source terminal | P2 |
Second reserved terminal | V2 | Second low speed terminal | D2 | ||
Collets | 3 | First collets | 3A | First through slot | 31 |
First cavity | 32 | First bottom surface | 320 | First locating slot | 33 |
Upper mating surface | 34 | First positioning column | 341 | First restriction protrusion | 342 |
First stopper | 343 | First opening | 3430 | First end submodule group | M1 |
Second collets | 3B | Second through slot | 31’ | Second cavity | 32’ |
Second bottom surface | 320’ | Second locating slot | 33’ | ||
Lower mating surface | 35 | Second positioning column | 351 | Second restriction protrusion | 352 |
Second stopper | 353 | Second end submodule group | M2 | ||
Shield piece | 4 | Base portion | 40 | Location hole | 401 |
First protrusion | 41 | Second protrusion | 42 | ||
Notch | 420 | Lock catch arm | 43 | Pin | 44 |
Holding section | 45 | First groove | 46 | Second groove | 47 |
Abutting part | 48 | First slot bottom | 460 | Second slot bottom | 470 |
Ground strip | 5 | Main part | 50 | Buckle slot | 501 |
First adjutage | 51 | Second adjutage | 52 | First elastic slice | 520 |
Second elastic slice | 530 | ||||
Metal shell | 6 | ||||
Socket connector | 200 | ||||
Circuit board | 300 | First gasket | 301 | Second gasket | 302 |
[specific embodiment]
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with the drawings and specific embodiments
The invention will be further described.
Referring to Fig. 1, Fig. 2 and Fig. 3, this is an electric connector 100 of the embodiment of the present invention, the electrical connection of the present embodiment
Device 100 is the pin connector of a TYPE C, and the electric connector 100 docks forward a socket connector 200, is installed on backward
One circuit board 300.The electric connector 100 includes an insulating body 1, contains a first end submodule in the insulating body 1
The shielding piece 4 of a group M1 and second end submodule group M2 and one, the shielding piece 4 is in the first end submodule group M1 and the second end
Between submodule group M2.Two ground strips 5 are symmetrical in upper and lower 180 °, are respectively overlay in the upper and lower surface of the insulating body 1.One gold medal
Belong to shell 6 to be coated on outside two ground strips 5 and the insulating body 1.
Referring to Fig. 1, Fig. 2 and Fig. 4, one butt cavity 10 of the recessed formation in the front end of the insulating body 1 is described to dock
Socket connector 200, the butt cavity 10 is by a upper plate 11, a lower plate 12 and the connection upper plate 11 and the lower plate 12
Two formation of side plate 13.The upper surface of the upper plate 11 protrudes upward a upper convex portion 110, and the lower surface of the lower plate 12 protrudes out one
Lower protrusion 120.The upper convex portion 110 and the lower protrusion 120 setting symmetrical above and below.Each side plate 13 has through setting
A channel 130, the channel 130 is connected to the butt cavity 10.Multiple terminal grooves 14, are divided into two rows symmetrical above and below, point
Not She Yu the upper plate 11 and the lower plate 12, each terminal groove 14 is connected to setting, and upper row institute with the butt cavity 10
Terminal groove 14 is stated upwards not through the upper plate 11, and terminal groove 14 described in lower row is downwards not through the lower plate 12.It is described convex
The front end of terminal groove 14 described in row is closed in portion 110, and the front end of terminal groove 14 described in lower row is closed in the lower protrusion 120.It is multiple
Through hole 15 on the upper plate 11 and the lower plate 12 and is respectively formed two rows, and upper row's through hole 15 is through described
Upper plate 11, lower row's through hole 15 runs through the lower plate 12, and every pass through aperture 15 is located at all 14 fronts of terminal groove.It is same
There is a non-through hole 16, each non-through hole 16 of upper row does not pass through between two adjacent through holes 15 of row
The upper plate 11 is worn, each non-through hole 16 of lower row is not through the lower plate 12.
One accommodating chamber 17 of the recessed formation in 1 rear end of insulating body, the circuit board 300 are inserted into the accommodating chamber 17.
Two side walls 18 are each extended over from 1 rear end sides of insulating body, each side wall 18 has outward through the one of setting
Through-hole 180, the through-hole 180 are connected to the extraneous and accommodating chamber 17.
Referring to Fig. 1, Fig. 2 and Fig. 5, multiple terminals 2, line up two rows and are symmetrical arranged in 180 °, in the present invention
180 ° symmetrically refer to 180 ° be turned over it is rear completely overlapped.Wherein the quantity of upper row's terminal 2 is 12 comprising multiple first
Signal terminal, multiple first signal terminals are made of two couple of first difference signal terminal S1 and the first low speed terminal D1 of a pair.Institute
The first differential signal of a pair end that the row's of stating terminal 2 is followed successively by one first ground terminal G1 from left to right, transmits 3.0 signal of USB
Sub- S1, one first power supply terminal P1, one first reserved terminal V1, transmit 2.0 signal of USB a pair the first low speed terminal D1,
One first reserved terminal V1, one first power supply terminal P1, the first difference signal terminal of a pair S1 for transmitting 3.0 signal of USB, one
First ground terminal G1.Wherein the quantity of lower row's terminal 2 is 12 comprising multiple second signal terminals, multiple second
Signal terminal is made of two couple of second difference signal terminal S2 and the second low speed signal terminal D2 of a pair.Upper row's terminal is from a left side
The second difference signal terminal of a pair S2, the second source for being followed successively by one second ground terminal G2 to the right side, transmitting 3.0 signal of USB
Terminals P 2, one second reserved terminal V2, a pair the second low speed signal terminal D2 for transmitting 2.0 signal of USB, one second reserve
Terminal V2, a second source terminals P 2, the second difference signal terminal of a pair S2, one second ground terminal for transmitting 3.0 signal of USB
Sub- G2.The first reserved terminal V1 and second reserved terminal V2 can be used as detecting and use, and also can be used as signal, power supply is used.
Fig. 5 and Fig. 6 are please referred to, each terminal 2 has an interconnecting piece 20, and the interconnecting piece 20 is located at same water in the longitudinal direction
In plane.The interconnecting piece 20 of each first difference signal terminal S1 and each second difference signal terminal S2 all have
Two first segments 201 positioned at 20 rear and front end of interconnecting piece and the second segment between two first segments 201
202 and two turn sections 203, it is separately connected two first segments 201 of 202 rear and front end of second segment.Adjacent two
The distance t2 of second segment 202 is less than the distance between two adjacent first segments 201 t1.
Referring to Fig. 1, Fig. 7 and Fig. 8, extends one first forward and along up and down direction bending from 20 front end of interconnecting piece
Conducting portion 21, one second conducting portion 22 extended backward and along up and down direction bending from 20 rear end of interconnecting piece.Described
Two conducting portions 22 have a bending part 221, connect the interconnecting piece 20.The arc-shaped setting in first conducting portion, 21 end and shape
At a first contact point 210, wherein the first contact point 210 of upper row's terminal 2 is arched upward downward, described in the lower row
The first contact point 210 of terminal 2 is arched upward upward, and the first contact point 210 connects with 200 machinery of socket connector
Touching.The arc-shaped setting in second conducting portion, 22 end and form one second contact point 220, described the of upper row's terminal 2
Two contact points 220 are arched upward downward, and second contact point 220 of lower row's terminal 2 is arched upward upward.Each terminal 2 has
Have following characteristics: the first contact point 210 to the distance of the interconnecting piece 20 in the up-down direction is greater than second contact
Point 220 arrives the distance of the interconnecting piece 20 in the up-down direction.
Referring to Fig. 5, Fig. 6 and Fig. 7, a collets 3 are made of, institute one first collets 3A and one second collets 3B
It states the first collets 3A and the second collets 3B or more cooperation and is symmetrical arranged in 180 °.
The first end submodule group M1 is made of upper row's terminal 2 and the first collets 3A, the institute of upper row's terminal 2
It states interconnecting piece 20 and is molded by inser-molding mode and is embedded in the first collets 3A, 20 front end of interconnecting piece
Extend the front surface of the first collets 3A, front surface of 21 end of the first conducting portion to the first collets 3A
Distance be 3.55 ± 0.2mm, the rear surface of the first collets 3A is extended in the rear end of the interconnecting piece 20, described second
22 end of conducting portion to the first collets 3A rear surface distance be 1.75 ± 0.2mm.
Referring to Fig. 5, Fig. 6 and Fig. 7, there are two the first through slot 31 and two the first cavitys for the first collets 3A tool
32, first through slot 31 is set to the middle position of the first collets 3A, through the first collets 3A or more
Surface, each corresponding a pair of first difference signal terminal S1 of first through slot 31, so that a pair of first difference
The second segment 202 of signal terminal S1 is revealed in first through slot 31.First cavity 32 is exhausted from described first
The recessed formation of edge block 3A rear surface, and run through the upper and lower surface of the first collets 3A, one first is defined in the longitudinal direction
Bottom surface 320.Each first cavity 32 and first through slot 31 are located at same row in the longitudinal direction, and described the
The first segment 201 at the rear of one difference signal terminal S1 extends back first collets from first cavity 32
3A, and the turn section 203 of the corresponding rear end first difference signal terminal S1 in first bottom surface 320.First through slot
31 is interior full of air with first cavity 32, and the dielectric coefficient of air is less than the dielectric coefficient of the first collets 3A, from
And dielectric coefficient is efficiently reduced, to have the function that the impedance for adjusting the first difference signal terminal S1.
Distinguish recessed one first locating slot 33 in the two sides of the first collets 3A.The side of the first ground terminal G1
Face is revealed in the slot bottom of first locating slot 33, is conducive in injection moulding process, the fixed first ground terminal G1's of fixture
Side, to be conducive to the positioning of the first ground terminal G1.
Referring to Fig. 1, the lower surface of Fig. 5 and Fig. 8, the first collets 3A form mating surface 34 on one, from described
One extends one first positioning column 341 and one first restriction protrusion positioned at 341 front of the first positioning column to mating surface 34 downwards
342, lengthwise is arranged first restriction protrusion 342 in the longitudinal direction, and extends to the front surface of the first collets 3A.
The height of first restriction protrusion 342 is greater than the height of first positioning column 341, in the present embodiment, first limit
The height of position protrusion 342 is 0.03mm bigger than the height of first positioning column 341.From the left and right sides of the upper mating surface 34 point
One first stopper 343 is not extended downwardly, and first stopper 343 also extends forwardly into the preceding table of the first collets 3A
Face, two first stoppers 343 are spaced setting in the lateral direction to determine one first opening 3430, first opening
3430 extend to the front surface of the first collets 3A.
The second end submodule group M2 is made of the second collets 3B and lower 2 integrated injection molding of row's terminal.It is described
First collets 3A and the second collets 3B is symmetrical arranged in the up-down direction and the cooperation that is fixed to each other, second insulation
The upper surface of block 3B forms mating surface 35, and the upper mating surface 34 is oppositely arranged with lower about 35 mating surface.
Referring to Fig. 6, Fig. 9 and Figure 10, there are two the second through slot 31 ' and two are second recessed for the second collets 3B tool
Chamber 32 ', second through slot 31 ' is set to the middle position of the second collets 3B, through the second collets 3B's
Upper and lower surface, each corresponding a pair of second difference signal terminal S2 of second through slot 31 ', so that a pair described second
The second segment 202 of difference signal terminal S2 is revealed in second through slot 31 ', is filled in second through slot 31 '
Full air, to have the function that the impedance for adjusting the second difference signal terminal S2.Second cavity 32 ' is from described
The two recessed formation of collets 3B rear surface, and run through the upper and lower surface of the first collets 3A, one is defined in the longitudinal direction
Second bottom surface 320 '.Each second cavity 32 ' is located at same in the longitudinal direction with second through slot 31 '
Column, the first segment 201 of the rear end of the second difference signal terminal S2 extend back described from first cavity 32
Second collets 3B, the turn section 203 of the corresponding rear end second difference signal terminal S2 in second bottom surface 320 ', institute
Stating turn section 203 increases the distance between a pair of second difference signal terminal S2 back segment, full of sky in the second cavity 32 '
Gas, the dielectric coefficient of air is less than the dielectric coefficient of the second collets 3B, to efficiently reduce whole dielectric system
Number is conducive to maintain the impedance stabilization between a pair of second difference signal terminal S2.
Referring to Fig. 1, Fig. 2 and Fig. 5, the lower surface of the second collets 3B forms mating surface 35, under described
One extends one second positioning column 351 and one second restriction protrusion positioned at 351 front of the second positioning column to mating surface 35 downwards
352, lengthwise is arranged second restriction protrusion 352 in the longitudinal direction, and extends to the front surface of the second collets 3B.
The height of second restriction protrusion 352 is greater than the height of second positioning column 351, in the present embodiment, second limit
The height of position protrusion 352 is 0.03mm bigger than the height of second positioning column 351.From the left and right sides of the lower mating surface 35 point
One second stopper 353 is not extended downwardly, and second stopper 353 also extends forwardly into the preceding table of the second collets 3B
Face, two second stoppers 353 are spaced setting in the lateral direction to determine one second opening 3530, second opening
3530 extend to the front surface of the second collets 3B.
Distinguish recessed one second locating slot 33 ' in the two sides of the second collets 3B.The second ground terminal G2's
Side is revealed in the slot bottom of second locating slot 33 ', is conducive in injection moulding process, the fixed second ground terminal G2 of fixture
Side, to be conducive to the positioning of the second ground terminal G2.
Referring to Fig. 1, Fig. 2 and Fig. 5, a shielding piece 4, are stamped and formed out by metal sheet.The shielding piece 4 has a base
Portion 40, has two location holes 401 arranged in the lateral direction on the base portion 40, and two location holes 401 distinguish positions
In the left and right sides of the center line of the shielding piece 4 in the longitudinal direction.Extend one forward among 40 front end of base portion
The shielding is passed through in one protrusion 41 and 2 second protrusions 42 at left and right sides of first protrusion 41, first protrusion 41
The center line of piece 4 in the longitudinal direction forms a notch 420 between each second protrusion 42 and first protrusion 41.
Two notches 420 are located at the left and right sides of the center line on shielding 4 front-rear direction of piece.Referring to Fig. 1, Fig. 2
And Fig. 5, respectively forwardly extend a lock catch arm 43, and the left and right two from 40 rear end of base portion from 40 rear end sides of base portion
Side extends two pins 44 respectively backward, an elastic space is formed between the lock catch arm 43 and the base portion 40, to step down
The flexible deformation of the lock catch arm 43.The pin 44 is respectively with the lock catch arm 43 of same side in the longitudinal direction by same
One straight line.One of them described pin 44 is bent upward, and another pin 44 is bent downward.From the base portion 40
Recessed one second groove 47 of rear end face and the first groove 46 positioned at 47 two sides of the second groove.The bottom surface of first groove 46
One first slot bottom 460 is defined, the bottom surface of second groove 47 defines one second slot bottom 470.Second groove 47 passes through institute
The center line of shielding piece 4 in the longitudinal direction is stated, it is recessed that the recessed depth of second groove 47 is less than first groove 46
Depth, first slot bottom 460 is relative to the more forward setting of second slot bottom 470.Each first groove 46 with
Second groove 47 determines an abutting part 48, and the abutting part 48 is relative to first slot bottom 460 and second slot bottom
470 protrusion settings, first groove 46, second groove 47 and the abutting part 48 are respectively positioned on two pins 44
Between.Have again and be respectively facing outside one holding section 45 of horizontal extension from left and right sides of 40 rear end of base portion, described first is recessed
Slot 46, second groove 47 and the abutting part 48 are respectively positioned between two holding sections 45.
Referring to FIG. 1, Fig. 2 and Fig. 3, each ground strip 5 has a main part 50, and the main part 50 has a card
Catching groove 501 extends forward multiple first adjutages 51 and multiple second adjutages 52 from the main part 50, and multiple first extend
Arm 51 and multiple second adjutages 52 are arranged in a row and are arranged alternately.First adjutage 51 is bent along up and down direction
Camber, 52 horizontal extension of the second adjutage, and have on second adjutage 52 and tear molding one first elastic slice
520, wherein first elastic slice 520 is bent along up and down direction and its free terminal is towards rear.From 50 end of main part
End extends back multiple second elastic slices 530, and multiple second elastic slices 530 line up the row being arranged at equal intervals, and each described the
Two elastic slices 530 are bent along up and down direction and its free terminal is towards rear.
Referring to FIG. 1, Fig. 2 and Fig. 3, the metal shell 6 is tubular structure of the front and back through setting, by made of metal
At.
Referring to FIG. 3, Fig. 5 and Fig. 6, first end submodule group M1 and the second end submodule group M2 or more are fixed on
Together, wherein shielding piece 4 is clamped between the upper mating surface 34 and the lower mating surface 35, wherein the base portion 40, institute
The first protrusion 41 and second protrusion 42 is stated to be fixed by the upper mating surface 34 and the lower mating surface 35 clamping fitting.It is described
First restriction protrusion 342 and second restriction protrusion 352 are first contained in two notches 420 in left and right, and then described the
One positioning column 341 and second positioning column 351 receiving are fastened in two location holes 401 in left and right, first limit
The height of protrusion 342 is greater than first positioning column 341, and the height of second restriction protrusion 352 is greater than second positioning
Column 351 enables first restriction protrusion 342 and second restriction protrusion 352 first to match with two notches 420 in left and right
It closes, the shielding piece 4 is subjected to Primary Location, so that first positioning column 341 and second positioning column 351 are more
It is easily accessible in two location holes 401 in left and right, is easily installed, reduce installation error.Referring to Fig. 1, Fig. 2 and Fig. 5, institute
It states the first stopper 343 and about 343 ' second stopper is oppositely arranged and corresponds to the front positioned at second protrusion 42, use
It is moved forward with the second protrusion 42 described in backstop.First restriction protrusion 342 and second restriction protrusion 352 are located at described
The two sides of first protrusion 41, and 41 front end of the first protrusion is contained in the opening 3430 and is no more than the collets 3
Front surface, and first protrusion 41 is revealed in forward in first opening 3430 and second opening 3530.Described
One restriction protrusion 342 and second restriction protrusion 352 limit first protrusion 41 to the left or while move right, institute
It states the first opening 3430 and second opening 3530 is conducive to the heat dissipation of first protrusion 41.
Referring to FIG. 10, Figure 11 and Figure 12, the first collets 3A and described second is extended in 40 rear end of base portion
The rear surface of collets 3B and be located at two rows second conducting portion 22 between, first groove 46, described second
Groove 47, the abutting part 48 are revealed in the rear of the collets 3, and the abutting part 48 is no more than the bending part backward
221, to reduce the cross-talk that ranked second between conducting portion 22 up and down.The lock catch arm 43, the holding section 45
It is revealed in the side of the collets 3, two pins 44 are observed, the second conducting portion 22 described in two rows from top to bottom
Between two pins 44.
Referring to FIG. 10, Figure 11 and Figure 12, first through slot 31 is opposite with about 31 ' second through slot to be set
It sets, first cavity 32 and about 32 ' second cavity are oppositely arranged, first bottom surface 320 and second bottom surface
About 320 ' flush, and the first difference signal terminal S1 and are oppositely arranged with the second difference signal terminal S2 or more, institute
The first low speed terminal D1 and the second low speed terminal D2 or more is stated to be oppositely arranged.First through slot, 31 He opposing upper and lower
Second through slot 31 ' is covered in the up-down direction by the base portion 40 and second protrusion 42, is conducive to described in reduction
Cross-talk between first difference signal terminal S1 and the second difference signal terminal S2.
Referring to FIG. 1, the first groove 46 described in Fig. 2 and Fig. 9 is located at first cavity 32 and second cavity 32 '
Between, and first slot bottom 460 is flushed with first bottom surface 320, about 320 ' second bottom surface, so that described first
The first segment 201 of the first segment 201 at the rear difference signal terminal S1 and the rear the second difference signal terminal S2
Between be full of air, to reduce dielectric coefficient, reach and adjust the first difference signal terminal S1 and second difference is believed
Impedance operator between number terminal S2, the electric connector 100 can transmit higher rate.Since first bottom surface 320 is right
The turn section 203 for the rear end the first difference signal terminal S1 answered, corresponding second bottom surface 320 ' is described second poor
The turn section 203 of the rear end sub-signal terminal S2, therefore first slot bottom 460 is located between the turn section 203 of two rows.
Second conducting portion 22 of USB2.0 terminal D described in the corresponding two rows of second groove 47, to increase
Terminal positive area between USB2.0 terminal D described in two rows, so as to adjust the impedance of the terminal 2.It is supported described in each
Socket part 48 and the ipsilateral power supply terminal D, the reserved terminal V are correspondingly arranged.
Referring to FIG. 1, Fig. 2 and Fig. 3, by the first end submodule group M1 being installed and the second end submodule group
M2, the shielding piece 4 inject from back to front together in the accommodating chamber 17, the first collets 3A and second collets
3B is fixed in the accommodating chamber 17.First conducting portion 21 extends into forward in the butt cavity 10, and multiple first lead
The corresponding multiple terminal grooves 14 in logical portion 21, first conducting portion 21 can do flexible deformation movement in terminal groove 14, and described the
The terminal groove 14 is protruded in one contact point 210, is revealed in the butt cavity 10, with 200 Mechanical Contact of socket connector.
Second conducting portion 22 extends back in the accommodating chamber 17, and second contact point 220 is located at the accommodating chamber 17
It is interior.The lock catch arm 43 is contained in the channel 130, and 43 end of the lock catch arm enters in the accommodating chamber 17, with institute
The formation of socket connector 200 clamping is stated to fix and form an earth-return circuit.The holding section 45 is contained in the through-hole 180,
The holding section 45 extends in the lateral direction protrudes from the side wall 18.Two pins 44 extend the insulating body
1 rear end and it is located between two side walls 18.
Two ground strips 5 are installed in the upper plate 11 and the lower plate 12 respectively.The ground strip 5 is installed on described
When plate 11,501 sets of the buckle slot is in 110 surrounding of upper convex portion and the mutual clamping of the two, and first adjutage 51 is downwards
It is contained in the through hole 15 of the upper plate 11, the part of arc shape first adjutage 51 is revealed in the docking
In chamber 10, second adjutage 52 is contained in the non-through hole 16 of the upper plate 11, first elastic slice 520 and institute
It states the second elastic slice 530 and is folded upward at extension.
Referring to FIG. 1, Fig. 2 and Fig. 4, when the ground strip 5 is installed on the lower plate 12,501 sets of the buckle slot is in institute
Lower 120 surrounding of protrusion and the mutual clamping of the two are stated, first adjutage 51 is contained in the described of lower plate 12 upwards to be run through
In hole 15, the part of arc shape first adjutage 51 is revealed in the butt cavity 10, positioned at described the of lower plate 12
One elastic slice 520 and second elastic slice 530 bend downward extension.
Referring to FIG. 1, Fig. 2 and Fig. 4, a metal shell 6 plugs from front to back to be connect with described in the insulating body 1 and two
Outside ground piece 5.Wherein first elastic slice 520, the inner face Mechanical Contact up and down of second elastic slice 530 and the metal shell 6,
Two holding sections 45 abut the left and right sides inner face of the metal shell 6, the holding section 45 have good rigidity with
6 inner face of metal shell abuts.
Referring to FIG. 1, Fig. 2 and Fig. 4, the circuit board 300 is forwardly inserted in the accommodating chamber 17, is held on two rows
Second conducting portion 22 between and abut with the abutting part 48.The upper and lower surface of the circuit board 300 is arranged with respectively
Two ranked first gasket 301, and each first gasket 301 is welded and fixed with second conducting portion 22, wherein described second connects
Contact 220 is in the middle position of first gasket 301.The abutting part 48 is no more than the bending part 221 backward, ensure that
The circuit board 300 can have enough insertion depths, after avoiding second contact point 220 and first gasket 301
Edge Distance is excessive, increases the path-length of electrical signals.
Second gasket 302 of two of upper row is located at the two sides rear of the first gasket 301 described in upper row, and two of lower row
Second gasket 302 is located at first gasket, the 301 two sides rear of lower row, second gasket 302 of two of upper row with
The pin 441 is welded and fixed, and second gasket 302 of two of lower row is corresponding with another pin 44 to be welded and fixed.
In conclusion electric connector of the invention has the advantages that
1, first groove 46 is revealed in 3 rear end of collets, the first difference signal terminal S1 and second difference letter
Number terminal S2 extends back 3 rear end of collets, first groove 46 be located at the first difference signal terminal S1 with
Between the second differential signal S2, to increase the first difference signal terminal S1 and second difference signal terminal
Positive area between S2 adjusts the impedance between the first difference signal terminal S1 and the second difference signal terminal S2
Characteristic, to meet the resistance requirements of the electric connector 100 of more preferable rate.
2, between first cavity 32 and second cavity 32 ', and first slot bottom 460 and described first
Bottom surface 320, about 320 ' second bottom surface flush, so that the first segment at the rear the first difference signal terminal S1
Air is full of between 201 and the first segment 201 at the rear the second difference signal terminal S2, thus reduce dielectric coefficient,
Reach and adjusts impedance operator between the first difference signal terminal S1 and the second difference signal terminal S2, the electrical connection
Device 100 can transmit higher rate.
3, second conducting portion of USB2.0 terminal D described in the corresponding two rows of second groove 47, to increase
Terminal positive area between USB2.0 terminal D described in two rows, so as to adjust the impedance of the terminal 2.
4, first restriction protrusion 342 and second restriction protrusion 352 are first contained in two notches 420 in left and right
In, then first positioning column 341 and second positioning column 351 receiving are fastened in two location holes 401 in left and right,
The height of first restriction protrusion 342 is greater than first positioning column 341, and the height of second restriction protrusion 352 is greater than
Second positioning column 351, enable first restriction protrusion 342 and second restriction protrusion 352 first with left and right two
The notch 420 cooperates, and the shielding piece 4 is carried out Primary Location, so that first positioning column 341 and described second
Positioning column 351 more easily enters in two location holes 401 in left and right, is easily installed, and reduces installation error.
Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention,
So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation
It is interior.
Claims (14)
1. a kind of electric connector electrically docks forward a first element, is electrically conducted a second element backward, which is characterized in that
Include:
One collets;
Terminal is arranged on one and is set to the collets, there is at least one first signal terminal, is once arranged terminal and is set to the insulation
Block, has an at least second signal terminal, and first signal terminal and the second signal terminal extend back described
Collets rear, and first signal terminal and the second signal the terminal at least portion in the up and down direction of the collets
Divide overlapping;
One shielding piece, is fixed on the collets and between upper row's terminal and lower row's terminal, the shielding piece
With an at least groove and it is located at the collets rear, the groove is located at first signal terminal and the second signal
Between terminal.
2. electric connector as described in claim 1, it is characterised in that: the collets have one first collets and one second
Collets, upper row's terminal are set in first collets, and lower row's terminal is set in second collets, described
Shielding piece is held between first collets and second collets.
3. electric connector as claimed in claim 2, it is characterised in that: upper row's terminal has a pair of first differential signal end
Son, lower row's terminal have a pair of second difference signal terminal, and multiple grooves have one first groove, and described first is poor
Sub-signal terminal and second difference signal terminal are least partially overlapped in the up and down direction of the insulating body, and described
One groove is between the first difference signal terminal and second difference signal terminal.
4. electric connector as claimed in claim 3, it is characterised in that: first difference signal terminal has an interconnecting piece,
The second segment that the interconnecting piece has a first segment and extends forward from the first segment, the first segment extend back institute
The first collets are stated, the second segment is fixed on first insulating body, and the distance of the two neighboring first segment is greater than phase
The distance of adjacent two second segments, a turn section connect the first segment and the second segment, the turn section and described the
The slot bottom of one groove is correspondingly arranged up and down.
5. electric connector as claimed in claim 4, it is characterised in that: first difference signal terminal and second difference
Signal terminal is in arranged symmetrically up and down.
6. electric connector as claimed in claim 3, it is characterised in that: upper row's terminal has a pair of first low speed signal end
Son, lower row's terminal have a pair of second low speed signal terminal, and the first low speed signal terminal and second low speed are believed
Number terminal is least partially overlapped in the up and down direction of the insulating body, and multiple grooves have one second groove, described
Second groove is between the first low speed signal terminal and the second low speed signal terminal.
7. electric connector as claimed in claim 3, it is characterised in that: the first collets rear surface recessed one first is recessed
Chamber, recessed one second cavity in second collets rear end, first groove are located at first cavity and described second recessed
Between chamber.
8. electric connector as claimed in claim 7, it is characterised in that: the bottom of chamber of first cavity and the bottom of chamber of the second cavity
It flushes up and down, the slot bottom of first groove flushes up and down with the bottom of chamber of first cavity.
9. electric connector as claimed in claim 8, it is characterised in that: first difference signal terminal is revealed in described first
In cavity, second difference signal terminal is revealed in second cavity.
10. electric connector as claimed in claim 3, it is characterised in that: have between first groove and second groove
There is an abutting part, to abut the second element.
11. electric connector as described in claim 1, it is characterised in that: each terminal has an interconnecting piece, is fixed on institute
Collets are stated, the interconnecting piece is horizontally disposed in the longitudinal direction, and the interconnecting piece rear end is revealed in the rear of the collets,
After the groove corresponds to the interconnecting piece rear end of first signal terminal and the interconnecting piece of the second signal terminal
End.
12. electric connector as described in claim 1, it is characterised in that: further there is an insulating body, it is described to accommodate
Collets and multiple terminals, the recessed accommodating chamber in insulating body rear end are described recessed to accommodate the second element
Slot position is in the accommodating chamber.
13. electric connector as claimed in claim 12, it is characterised in that: each terminal has an interconnecting piece, is fixed on
In the collets, extend one first conducting portion, the first element in electrical contact, Duo Gesuo forward from the interconnecting piece front end
State the first turning part at two rows be set to the butt cavity in, from the interconnecting piece rear end extend back one second conducting
Portion, is electrically conducted the second element, and multiple second turning parts are set in the accommodating chamber at two rows.
14. electric connector as claimed in claim 12, it is characterised in that: the second element be a circuit board, described second
Between the two rows of junctions of element insertion and the shielding piece is abutted, the groove is located at the front of the second element.
Priority Applications (1)
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CN201811170243.4A CN109301544B (en) | 2018-10-09 | 2018-10-09 | Electrical connector |
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CN201811170243.4A CN109301544B (en) | 2018-10-09 | 2018-10-09 | Electrical connector |
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CN109301544A true CN109301544A (en) | 2019-02-01 |
CN109301544B CN109301544B (en) | 2020-09-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220123510A1 (en) * | 2020-10-19 | 2022-04-21 | Luxshare Precision Industry Co., Ltd. | Cable connector with improved shielding performance |
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