CN110190431B - Electrical connector - Google Patents

Electrical connector Download PDF

Info

Publication number
CN110190431B
CN110190431B CN201910396179.XA CN201910396179A CN110190431B CN 110190431 B CN110190431 B CN 110190431B CN 201910396179 A CN201910396179 A CN 201910396179A CN 110190431 B CN110190431 B CN 110190431B
Authority
CN
China
Prior art keywords
slot
electrical connector
hole
signal terminal
terminal hole
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.)
Active
Application number
CN201910396179.XA
Other languages
Chinese (zh)
Other versions
CN110190431A (en
Inventor
张文昌
殷佳旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotes Guangzhou Co Ltd
Original Assignee
Lotes Guangzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lotes Guangzhou Co Ltd filed Critical Lotes Guangzhou Co Ltd
Priority to CN201910396179.XA priority Critical patent/CN110190431B/en
Publication of CN110190431A publication Critical patent/CN110190431A/en
Application granted granted Critical
Publication of CN110190431B publication Critical patent/CN110190431B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/707—Soldering or welding
    • 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
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid 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
    • 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
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/735—Printed circuits including an angle between each other
    • H01R12/737—Printed circuits being substantially perpendicular to each other
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector

Abstract

The invention discloses an electric connector, comprising: a body having a mating face recessed downwardly from the mating face to form a slot for receiving the mating component, the slot having a slot bottom, the body having two sidewalls on opposite sides of the slot, at least one of the sidewalls including a first portion formed of an insulating plastic and a second portion disposed on the first portion, the first portion having a signal terminal hole, the second portion being formed of a conductive plastic and having a plurality of ground terminal holes, the signal terminal hole and the ground terminal holes being in communication with the slot, the ground terminal holes at least partially protruding upwardly from the slot bottom; a signal terminal which is correspondingly accommodated in a signal terminal hole; at least one grounding terminal which is correspondingly accommodated in the at least one grounding terminal hole and is in conductive connection with the second part; the signal terminal and the grounding terminal are both provided with a contact part, and the contact part protrudes into the slot and is used for being electrically connected with the butt joint element. The electrical length of the ground terminal is changed by the second portion made of conductive plastic to improve high frequency performance.

Description

Electrical connector
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly, to an electrical connector suitable for transmitting high frequency signals.
[ background of the invention ]
With the development of technology and the upgrading of electronic components, the requirement for the frequency of signals transmitted by the electrical connector is higher and higher, for example, the PCI-E5.0 specification in the specification expects the frequency of signals transmitted by the electrical connector to reach 32G, and one of the problems caused by transmitting high-frequency signals is that high-frequency resonance is easily generated, which is not beneficial to signal transmission. In order to solve the above problems, there is an attempt to improve the high frequency performance of the electrical connector by connecting all the ground terminals in the electrical connector with conductive plastic. The conductive plastic is a composite material in which conductive particles are mixed into an insulating plastic, and has a conductive capability different from that of a general insulator and conductor. However, how to arrange the conductive plastic, especially how to arrange the conductive plastic in the PCI-E connector to achieve satisfactory high-frequency performance of the electrical connector, is not a standard in the industry at present, and is also a major research project of our department.
Therefore, there is a need for an improved electrical connector that overcomes the above problems.
[ summary of the invention ]
In view of the problems encountered in the background art, the present invention provides an electrical connector having a body composed of a conductive plastic and an insulating plastic.
In order to achieve the purpose, the invention adopts the following technical means:
an electrical connector for receiving a mating component, comprising: a body having a mating face recessed downward from the mating face to form a slot for receiving the mating element, the slot having a slot bottom, the body having two sidewalls located on two sides of the slot, at least one of the sidewalls including a first portion formed of an insulating plastic and a second portion located on the first portion, the first portion having at least one signal terminal hole, the second portion being made of a conductive plastic and having at least one ground terminal hole, the signal terminal hole and the ground terminal hole being respectively communicated with the slot, each of the ground terminal holes at least partially protruding upward from the slot bottom; the signal terminal is correspondingly accommodated in the signal terminal hole; at least one grounding terminal which is correspondingly accommodated in at least one grounding terminal hole and is in conductive connection with the second part; the signal terminal and the grounding terminal are both provided with a contact part, and the contact part protrudes into the slot and is electrically connected with the butt joint element.
Further, the body has a bottom plate integrally formed with the first portion, a top surface of the bottom plate forming the slot bottom surface.
Furthermore, the first portion has at least one pillar extending upward from the bottom plate, the signal terminal holes correspondingly penetrate through the bottom plate, and each pillar is provided with at least one signal terminal hole.
Further, the second portion is provided with at least one groove, the groove extends up and down, and the upright post is accommodated in the groove.
Further, the groove is horizontally communicated with the slot.
Furthermore, the second part is provided with a window part which is communicated with the groove and penetrates through the second part, and the upright post is provided with a bulge which is correspondingly accommodated in the window part.
Further, the second portion has a plurality of ground terminal holes, and each of the grooves is located between two adjacent ground terminal holes.
Furthermore, two signal terminals forming a differential signal pair are correspondingly accommodated in a part of the grooves.
Further, the position where the ground terminal contacts the ground terminal hole is higher than the groove bottom surface.
Further, the body has two end walls connecting the two side walls, the second portion extending to at least one of the end walls.
The fixing piece is fixed on the body at a position corresponding to the end wall and is in conductive connection with the second part, and the fixing piece is conducted with a grounding path on a circuit board and is used for fixing the electric connector on the circuit board.
Further, each of the side walls includes the first portion and the second portion, wherein one of the end walls connects the second portions on both sides of the slot.
Furthermore, the body is provided with two end walls for connecting the two side walls and a positioning wall arranged in the slot, and the second part extends to the positioning wall.
Further, each of the side walls includes the first portion and the second portion, and the positioning wall connects the second portions on both sides of the insertion groove.
Further, the grounding terminal is provided with an abutting part which is abutted and contacted with the hole wall of the grounding terminal hole.
Further, the abutting portion includes two flanges located on two sides of the ground terminal, and the flanges protrude outward than the ground terminal at upper and lower sides of the abutting portion and abut against hole walls of the ground terminal hole.
Further, the grounding terminal has a fixing portion located below the abutting portion and an elastic arm located above the abutting portion, the fixing portion protrudes downward beyond the grounding terminal hole and is fixed to the first portion, and the elastic arm has the contact portion.
Further, the first portion and the second portion are disposed flush on the interface.
Further, the second part is joined to the first part by means of injection moulding.
An electrical connector for receiving a mating component, comprising: a body having a mating surface, a slot formed by recessing downward from the mating surface for receiving the mating component, the slot having a slot bottom surface, the body having two side walls located at two sides of the slot, at least one of the side walls including a first portion formed by insulating plastic and a second portion disposed on the first portion, the first portion having at least one signal terminal hole, the second portion being made of conductive plastic and having a plurality of ground terminal holes, the second portion at least partially protruding upward from the slot bottom surface, the signal terminal hole and the ground terminal hole being respectively communicated with the slot; the signal terminal is correspondingly accommodated in the signal terminal hole; a plurality of ground terminals, which are correspondingly accommodated in the plurality of ground terminal holes and are in conductive connection with the second part; the signal terminal and the grounding terminal are both provided with a contact part, and the contact part protrudes into the slot and is electrically connected with the butt joint element.
Compared with the prior art, the invention has the following beneficial effects: the ground terminal hole for accommodating the ground terminal is arranged on the second part made of conductive plastic, the ground terminal is in conductive connection with the second part, and at least part of the second part is at least upwards beyond the bottom surface of the slot.
[ description of the drawings ]
FIG. 1 is a perspective view of the electrical connector of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 6 is a perspective view of the body of FIG. 1 with a second portion hidden;
FIG. 7 is a perspective view of a second portion of the body of FIG. 1;
FIG. 8 is a schematic view of FIG. 7 after being turned 180 degrees;
FIG. 9 is a side view of FIG. 1;
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;
fig. 11 is a partially enlarged view of fig. 10.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
socket 12 of mating surface 11 of electrical connector 100 body 1
Stud 1311 of first portion 131 of side wall 13 of slot bottom 121
Lower surface 1320 of second portion 132 of bump 1312 signal terminal hole 1313
Ground terminal aperture 1321 recess 1322 window 1323 bottom plate 14
Conductive terminal 2 with end wall 15 of fixing hole 141 and positioning wall 16
Fixing part 21 and abutting part 22 of signal terminal 2A and ground terminal 2B
Guiding part 24 of contact part 231 of elastic arm 23 of flange 221
Fixing member 3 circuit board 200
[ detailed description ] embodiments
For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.
Referring to fig. 1 and 2, the electrical connector 100 according to the preferred embodiment of the present invention is mounted on a circuit board 200 and is used for plugging a mating component (not shown), such as an electronic card. The electric connector 100 comprises a body 1 and a plurality of conductive terminals 2 mounted on the body 1, wherein the body 1 is made of insulating plastic and conductive plastic, the conductive terminals 2 include a plurality of signal terminals 2A and a plurality of ground terminals 2B, and the signal terminals 2A and the ground terminals 2B have the same structure and size.
As shown in fig. 1 and 4, the body 1 extends lengthwise and has a mating surface 11, in this embodiment, the top surface of the body 1 serves as the mating surface 11, a slot 12 extending lengthwise is formed by being recessed downward from the mating surface 11 for receiving the mating component, and the slot 12 has a slot bottom surface 121.
As shown in fig. 1 and 4, the body 1 has two side walls 13 located at two sides of the slot 12, each of the side walls 13 includes a first portion 131 formed by insulating plastic and a second portion 132 injection-molded on the first portion 131, and the second portion 132 is made of conductive plastic and at least partially extends upward beyond the slot bottom 121. The first portion 131 and the second portion 132 are disposed flush on the docking surface 11, and the inner surface of the first portion 131 and the inner surface of the second portion 132 are located on the same vertical plane and respectively abut against the slot 12. The second portion 132 has a lower surface 1320, the lower surface 1320 being disposed coplanar with the slot bottom surface 121. In other embodiments, only one of the sidewalls 13 may include the first portion 131 and the second portion 132, and the other sidewall 13 may include only the first portion 131 and not the second portion 132.
As shown in fig. 5 and 6, the body 1 has a bottom plate 14 located below the insertion groove 12, the bottom plate 14 is integrally formed with the first portion 131, and the top surface of the bottom plate 14 forms the groove bottom surface 121. The bottom plate 14 has a plurality of fixing holes 141, and the fixing holes 141 are arranged at both sides of the slot 12, and penetrate through the bottom plate 14 in the vertical direction to fix the plurality of ground terminals 2B correspondingly.
As shown in fig. 1 and 4, the body 1 also has two end walls 15 and a positioning wall 16. Two end walls 15 connect the two side walls 13, and each end wall 15 is located at one end of the body 1 in the longitudinal direction, that is, the two end walls 15 are located at two longitudinal ends of the slot 12. The positioning wall 16 is located in the slot 12 and connects the two side walls 13 and the bottom plate 14, and the positioning wall 16 is used for cooperating with a positioning hole (not shown) of the docking element to achieve a positioning function.
As shown in fig. 1, 4 and 7, the positioning wall 16 divides the slot 12 into two parts with different lengths, in this embodiment, the positioning wall 16 and the end wall 15 at one end of the longer part of the slot 12 are integrally formed of conductive plastic and are integrally formed with the second part 132 of the side wall 13, that is, the second part 132 extends from the side wall 13 to the positioning wall 16 and at least one of the end walls 15. Thus, the conductive plastic forms a frame surrounding the longer portion of the slot 12 through the second portion 132 of the side wall 13, the positioning wall 16 and the end wall 15. In other embodiments, the end wall 15 and the positioning wall 16 may be formed in part of a conductive plastic.
As shown in fig. 1 and 6, the first portion 131 includes a plurality of columns 1311 extending upward from the bottom plate 14, the columns 1311 are distributed on two sides of the slot 12, and the columns 1311 on each side of the slot 12 are arranged along the longitudinal direction, wherein a portion of the columns 1311 in each row has a protrusion 1312 protruding away from the slot 12, and an outer side surface of the protrusion 1312 forms a portion of an outer side surface of the body 1. The first portion 131 has a plurality of signal terminal holes 1313 for receiving a plurality of signal terminals 2A, at least one signal terminal hole 1313 is disposed in each of the pillars 1311, and the signal terminal holes 1313 penetrate the pillars 1311 and the bottom plate 14.
As shown in fig. 5, 7 and 8, the second portion 132 is provided with a plurality of ground terminal holes 1321 penetrating vertically to accommodate a plurality of ground terminals 2B correspondingly, the plurality of ground terminal holes 1321 and the plurality of fixing holes 141 are arranged in a one-to-one correspondence in the vertical direction, and the ground terminal holes 1321 communicate with the corresponding fixing holes 141 downward.
As shown in fig. 1, 6 and 7, the second portion 132 has a plurality of slots 1322, each slot 1322 is located between two ground terminal holes 1321 of the same sidewall 13, the slots 1322 extend up and down and horizontally communicate with the slot 12, and each slot 1322 correspondingly receives one of the pillars 1311. A part of the recess 1322 accommodates two signal terminals 2A constituting a differential signal pair, and the two signal terminals 2A are accommodated in two different signal terminal holes 1313 of the same column 1311. The second portion 132 further has a plurality of windows 1323 communicating with the grooves 1322 and extending outward through the second portion 132, each of the windows 1323 communicates with one of the grooves 1322 and receives one of the protrusions 1312, so that the first portion 131 is exposed to the outer side of the body 1 through the protrusion 1312.
As shown in fig. 1, the second portion 132 is formed through an injection molding process, and specifically, the second portion 132 is combined with the first portion 131 through an injection molding process, thereby molding the body 1.
As shown in fig. 5, 10 and 11, the conductive terminal 2 has a fixing portion 21, the fixing portion 21 of the ground terminal 2B protrudes downward beyond the ground terminal hole 1321 and is fixed to the fixing hole 141 by interfering with a hole wall of the fixing hole 141, and the fixing portion 21 of the signal terminal 2A is fixed to the signal terminal hole 1313 by interfering with a hole wall of the signal terminal hole 1313.
As shown in fig. 5, 10 and 11, the conductive terminal 2 has an abutting portion 22 located above the fixing portion 21, the abutting portion 22 includes two flanges 221 located at two sides of the conductive terminal 2, wherein the abutting portion 22 of the ground terminal 2B abuts against the hole wall of the ground terminal hole 1321, and the abutting portion 22 of the signal terminal 2A also abuts against the hole wall of the signal terminal hole 1313.
As shown in fig. 5, 10 and 11, the conductive terminal 2 has an elastic arm 23 connected to the upper side of the abutting portion 22, the elastic arm 23 is formed to extend obliquely upward toward the slot 12, the elastic arm 23 of the signal terminal 2A is received in the corresponding signal terminal hole 1313, and the elastic arm 23 of the ground terminal 2B is received in the corresponding ground terminal hole 1321. The elastic arm 23 has a contact portion 231 protruding into the slot 12 for making electrical connection with the docking element.
As shown in fig. 5, 10 and 11, the conductive terminal 2 further has a conductive portion 24 connected to the lower portion of the fixing portion 21, and the conductive portion 24 extends downward beyond the bottom surface of the bottom plate 14 to be soldered to the circuit board 200 to form an electrical connection.
As shown in fig. 2, 4 and 6, the electrical connector 100 further includes two fixing members 3 made of metal, each fixing member 3 is held on the bottom plate 14 at a position corresponding to the end wall 15 and is connected to the second portion 132, and the fixing member 3 is soldered to the circuit board 200 and is conducted to a ground path on the circuit board 200 to form a ground for fixing the electrical connector 100 to the circuit board 200.
In summary, the electrical connector of the present invention has the following advantages:
(1) disposing the ground terminal hole 1321 for receiving the ground terminal 2B in the second portion 132 made of conductive plastic, and the ground terminal 2B is connected to the second portion 132 in a conductive manner, so that when the electrical connector 100 has at least one ground terminal 2B and at least one signal terminal 2A, the second portion 132 is connected to at least one ground terminal 2B in a conductive manner, thereby achieving grounding; each of the ground terminal holes 1321 or the second portion 132 at least partially protrudes upward beyond the slot bottom surface 121, which can reduce the electrical length of the ground terminal 2B more, further reduce the wavelength of the resonance generated by the ground terminal 2B, and increase the frequency of the resonance, so that the resonance point of the ground terminal 2B exceeds a predetermined signal transmission frequency range, thereby increasing the signal-to-noise ratio of the electrical connector 100 in the signal transmission frequency range.
(2) The positioning wall 16 and the end wall 15 are made of conductive plastic, and the second portions 132 of the two side walls 13 are connected together, so that the ground terminals 2B on both sides of the slot 12 are also connected together, and the ground terminals 2B are commonly grounded when high-frequency signals are transmitted.
(3) The fixing member 3 made of metal is used to fix the electrical connector 100 to the circuit board 200, is connected to the second portion 132 and soldered to the circuit board 200, and is conducted to the ground path on the circuit board 200 to form a ground, so as to add an extra ground path relative to the ground terminal 2B, thereby further improving the shielding effect of the conductive plastic.
(4) The protrusion 1312 is accommodated in the window 1323, and the protrusion 1312 not only enhances the strength of the pillar 1311, but also facilitates the strength of the second part 132 combined with the first part 131 through injection molding.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.

Claims (20)

1. An electrical connector for mating with a mating component, comprising:
a body having a mating face recessed downward from the mating face to form a slot for receiving the mating element, the slot having a slot bottom, the body having two sidewalls located on two sides of the slot, at least one of the sidewalls including a first portion formed of an insulating plastic and a second portion located on the first portion, the first portion having at least one signal terminal hole, the second portion being made of a conductive plastic and having at least one ground terminal hole, the signal terminal hole and the ground terminal hole being respectively communicated with the slot, each of the ground terminal holes at least partially protruding upward from the slot bottom;
the signal terminal is correspondingly accommodated in the signal terminal hole;
at least one grounding terminal which is correspondingly accommodated in at least one grounding terminal hole and is in conductive connection with the second part;
the signal terminal and the grounding terminal are both provided with a contact part, and the contact part protrudes into the slot and is electrically connected with the butt joint element.
2. The electrical connector of claim 1, wherein: the body has a bottom plate integrally formed with the first portion, the top surface of the bottom plate forming the slot bottom surface.
3. The electrical connector of claim 2, wherein: the first part is provided with at least one upright post which extends upwards from the bottom plate, the signal terminal holes correspondingly penetrate through the bottom plate, and each upright post is provided with at least one signal terminal hole.
4. The electrical connector of claim 3, wherein: the second part is provided with at least one groove, the groove extends up and down, and the upright post is accommodated in the groove.
5. The electrical connector of claim 4, wherein: the groove is horizontally communicated with the slot.
6. The electrical connector of claim 4, wherein: the second part is provided with a window part communicated with the groove and penetrating through the second part, and the upright post is provided with a bulge correspondingly accommodated in the window part.
7. The electrical connector of claim 4, wherein: the second part is provided with a plurality of grounding terminal holes, and each groove is positioned between two adjacent grounding terminal holes.
8. The electrical connector of claim 7, wherein: and two signal terminals forming a differential signal pair are correspondingly accommodated in a part of the grooves.
9. The electrical connector of claim 1, wherein: the position where the grounding terminal contacts the grounding terminal hole is higher than the bottom surface of the groove.
10. The electrical connector of claim 1, wherein: the body has two end walls connecting the two side walls, the second portion extending to at least one of the end walls.
11. The electrical connector of claim 10, wherein: the fixing piece is fixedly arranged on the body at a position corresponding to the end wall and is in conductive connection with the second part, and the fixing piece is conducted with a grounding path on a circuit board and is used for fixing the electric connector on the circuit board.
12. The electrical connector of claim 10, wherein: each of the side walls includes the first portion and the second portion, wherein one of the end walls connects the second portions on both sides of the slot.
13. The electrical connector of claim 1, wherein: the body has two end walls of connecting two the lateral wall and locates a location wall in the slot, the second part extends to the location wall.
14. The electrical connector of claim 13, wherein: each side wall comprises the first part and the second part, and the positioning wall is connected with the second parts on two sides of the slot.
15. The electrical connector of claim 1, wherein: the grounding terminal is provided with an abutting part which is abutted and contacted with the hole wall of the grounding terminal hole.
16. The electrical connector of claim 15, wherein: the abutting part comprises two flanges positioned on two sides of the grounding terminal, and the flanges are outwards protruded than the positions of the grounding terminal on the upper side and the lower side of the abutting part and abut against the hole wall of the grounding terminal hole.
17. The electrical connector of claim 15, wherein: the grounding terminal is provided with a fixing part and an elastic arm, the fixing part is located below the abutting part, the elastic arm is located above the abutting part, the fixing part extends downwards beyond the grounding terminal hole and is fixed to the first part, and the elastic arm is provided with the contact part.
18. The electrical connector of claim 1, wherein: the first portion and the second portion are disposed flush on the interface.
19. The electrical connector of claim 1, wherein: the second part is combined with the first part in an injection molding mode, the grounding terminal is provided with an elastic arm which upwards exceeds the bottom surface of the groove, and the elastic arm is contained in the grounding terminal hole.
20. An electrical connector for mating with a mating component, comprising:
a body having a mating surface, a slot formed by recessing downward from the mating surface for receiving the mating component, the slot having a slot bottom surface, the body having two side walls located at two sides of the slot, at least one of the side walls including a first portion formed by insulating plastic and a second portion disposed on the first portion, the first portion having at least one signal terminal hole, the second portion being made of conductive plastic and having a plurality of ground terminal holes, the second portion at least partially protruding upward from the slot bottom surface, the signal terminal hole and the ground terminal hole being respectively communicated with the slot;
the signal terminal is correspondingly accommodated in the signal terminal hole;
a plurality of ground terminals, which are correspondingly accommodated in the plurality of ground terminal holes and are in conductive connection with the second part;
the signal terminal and the grounding terminal are both provided with a contact part, and the contact part protrudes into the slot and is electrically connected with the butt joint element.
CN201910396179.XA 2019-05-14 2019-05-14 Electrical connector Active CN110190431B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910396179.XA CN110190431B (en) 2019-05-14 2019-05-14 Electrical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910396179.XA CN110190431B (en) 2019-05-14 2019-05-14 Electrical connector

Publications (2)

Publication Number Publication Date
CN110190431A CN110190431A (en) 2019-08-30
CN110190431B true CN110190431B (en) 2021-01-26

Family

ID=67716152

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910396179.XA Active CN110190431B (en) 2019-05-14 2019-05-14 Electrical connector

Country Status (1)

Country Link
CN (1) CN110190431B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111641081B (en) * 2020-05-05 2021-08-20 番禺得意精密电子工业有限公司 Electric connector and connector assembly with same
CN113991341B (en) * 2021-10-25 2022-11-11 东莞市安阔欣精密电子有限公司 Connector with excellent high-frequency performance and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203850501U (en) * 2013-12-27 2014-09-24 富士康(昆山)电脑接插件有限公司 Electric connector
CN109390802B (en) * 2017-08-10 2021-08-20 富顶精密组件（深圳）有限公司 Electrical connector
CN109462071B (en) * 2017-08-29 2021-08-20 富士康(昆山)电脑接插件有限公司 Electrical connector

Also Published As

Publication number Publication date
CN110190431A (en) 2019-08-30

Similar Documents

Publication Publication Date Title
US9312641B2 (en) Electrical connector used for transmitting high frequency signals
US9608388B2 (en) Connector
CN107681371B (en) Electrical connector
KR101667231B1 (en) Rooftop antenna, in particular motor vehicle rooftop antenna with associated plug-type connection device
KR101322121B1 (en) Cable assembly, connector, and semiconductor tester
CN109830820B (en) Electrical connector assembly
CN112886340B (en) Electrical connector with improved contact arrangement
CN109390803B (en) Electrical connector
CN109301545B (en) Electrical connector
CN110071386B (en) Electrical connector
CN109301546B (en) Electrical connector
US7789678B2 (en) Multipolar connector and portable radio terminal or small-sized electronic device using multipolar connector
CN110190431B (en) Electrical connector
CN109286092B (en) Electrical connector
US6478629B1 (en) Audio jack having side mount grounding terminal
CA2551490A1 (en) Enhanced jack with plug engaging printed circuit board
CN110890657B (en) Electric connector assembly and electric connector used for same
CN109786999B (en) Electrical connector
CN108206431B (en) Electrical connector
CN113948943A (en) Electric connector and manufacturing method thereof
US6918790B2 (en) Electrical connector having printed circuit board mounted therein
US20070287330A1 (en) Audio jack
CN109216980B (en) High-speed socket electric connector
CN111431000B (en) Electrical connector
CN211126329U (en) Electrical connector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant