US20160020569A1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
US20160020569A1
US20160020569A1 US14/604,087 US201514604087A US2016020569A1 US 20160020569 A1 US20160020569 A1 US 20160020569A1 US 201514604087 A US201514604087 A US 201514604087A US 2016020569 A1 US2016020569 A1 US 2016020569A1
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US
United States
Prior art keywords
mating
elastic support
casing
electrical connector
support portion
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.)
Abandoned
Application number
US14/604,087
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English (en)
Inventor
Ted Ju
Zhi Lin Chen
Jian Min Peng
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 Co Ltd
Original Assignee
Lotes 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 Co Ltd filed Critical Lotes Co Ltd
Priority to US14/604,087 priority Critical patent/US20160020569A1/en
Assigned to LOTES CO., LTD. reassignment LOTES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, ZHI LIN, JU, TED, PENG, JIAN MIN
Publication of US20160020569A1 publication Critical patent/US20160020569A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • 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
    • 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
    • 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  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for 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
    • H01R2107/00—Four or more poles

Definitions

  • the present invention relates to an electrical connector, and particularly to an electrical connector having a desirable insertion and removal force.
  • An electrical connector in the related art includes a body having a mating cavity, two buckling elastic sheets disposed at two sides of the body and used for buckling a mating connector, and a metal casing disposed outside the body.
  • the buckling elastic sheet generally has a fixing portion fixed to the body, a first contact portion extending forward from the fixing portion, protruding and stretching into the mating cavity to elastically buckle the mating connector, and a second contact portion bent and extending forward from the first contact portion and toward the metal casing.
  • formed elastic buckling force arms separately have a first force arm and a second force arm, the first force arm is located between the fixing portion and the first contact portion, and the second force arm is located between the first contact portion and the second contact portion.
  • the buckling elastic sheet, the first force arm and the second force arm of this structure all affect the buckling force of the first contact portion, so the stability of buckling to the mating connector by the first contact portion is easily decreased.
  • the buckling elastic sheet is easily instantaneously broken, thereby affecting the whole performance of the electrical connector.
  • the present invention is directed to an electrical connector that has a desirable insertion and removal force by adding a support point.
  • an electrical connector for mating with a mating connector includes an insulation body having a mating portion and a mating cavity, multiple terminals fixed in the insulation body, a casing framing the insulation body, and a conducting sheet disposed between the casing and the mating portion.
  • the mating portion protrudes forward from the insulation body.
  • the mating cavity for the mating connector to be inserted therein is depressed from a front end of the mating portion.
  • the multiple terminals are disposed in the mating cavity, and used for mating with the mating connector.
  • the conducting sheet has a fixing portion. An elastic support portion is bent and extends from a side of the fixing portion.
  • a first contact portion extends forward from the elastic support portion, passes through the mating portion, and protrudes and stretches into the mating cavity.
  • the elastic support portion urges against the casing to serve as a supporting point, and the first contact portion is used for further pressing against the mating connector.
  • a second contact portion additionally extends from the fixing portion to press against the casing, so as to be grounded.
  • the elastic support portion contacts the casing.
  • the elastic support portion when the mating connector is not inserted into the mating cavity, the elastic support portion does not contact the casing.
  • the elastic support portion is bent and extends toward the casing from the fixing portion.
  • an urging portion protrudes from two sides of the conducting sheet, is disposed between the elastic support portion and the fixing portion, and urges against the mating portion.
  • the conducting sheet is provided with a stopping portion, and the stopping portion is stopped at the mating portion and disposed between the first contact portion and the elastic support portion.
  • At least one side of the mating portion is provided with a holding slot in communication with the mating cavity.
  • a front end of the holding slot is provided with a protruding portion, and the conducting sheet is disposed at the holding slot.
  • the electrical connector further includes a middle shielding sheet disposed in the insulation body.
  • the fixing portion and the middle shielding sheet are connected and integrally formed.
  • the present invention is directed to an electrical connector for mating with a mating connector.
  • an electrical connector in one embodiment, includes an insulation body having a mating portion and a mating cavity, multiple terminals fixed in the insulation body, a casing framing the insulation body, and a conducting sheet disposed between the casing and the mating portion.
  • the mating portion protrudes forward from the insulation body.
  • the mating cavity is depressed from a front end of the mating portion and used for the mating connector to be inserted therein.
  • the mating portion is provided with multiple receiving slots which are separately in communication with the mating cavity, and the multiple receiving slots are separately arranged above and below the mating cavity.
  • the multiple terminals are disposed at the multiple receiving slots. At least one part of each of the terminals is exposed to the mating cavity, and used for mating with the mating connector.
  • the conducting sheet has a fixing portion.
  • An elastic support portion is bent and extends from a side of the fixing portion.
  • a first contact portion extends forward from the elastic support portion, passes through the mating portion, and protrudes and stretches into the mating cavity.
  • the elastic support portion urges against the casing to serve as a supporting point, the first contact portion is used for further pressing against the mating connector.
  • a second contact portion additionally extends from the fixing portion to press against the casing, so as to be grounded.
  • the elastic support portion contacts the casing.
  • the elastic support portion when the mating connector is not inserted into the mating cavity, the elastic support portion does not contact the casing.
  • the elastic support portion is bent and extends toward the casing from the fixing portion.
  • an urging portion protrudes from two sides of the conducting sheet, is disposed between the elastic support portion and the fixing portion, and urges against the mating portion.
  • the conducting sheet is provided with a stopping portion, and the stopping portion is stopped at the mating portion and disposed between the first contact portion and the elastic support portion.
  • At least one side of the mating portion is provided with a holding slot in communication with the mating cavity.
  • a front end of the holding slot is provided with a protruding portion, and the conducting sheet is disposed at the holding slot.
  • the electrical connector further includes a middle shielding sheet disposed in the insulation body.
  • the fixing portion and the middle shielding sheet are connected and integrally formed.
  • the conducting sheet has an elastic support portion used for pressing against the casing and forming a supporting point, so that the first contact portion further buckles the mating connector.
  • a force arm affecting the elastic buckling force of the first contact portion is only an elastic segment between the elastic support portion and the first contact portion, and therefore the conducting sheet can be effectively prevented from being instantaneously broken.
  • the distance between the elastic support portion and the first contact portion is less than the distance between the retaining portion and the first contact portion, the insertion and removal force arm of the first contact portion is reduced, thereby increasing the insertion and removal force of the conducting sheet.
  • FIG. 1 is a schematic three-dimensional exploded view of an electrical connector according to one embodiment of the present invention.
  • FIG. 2 is a schematic partial three-dimensional exploded view of the electrical connector according to one embodiment of the present invention.
  • FIG. 3 is a schematic three-dimensional view of a conducting sheet according to one embodiment of the present invention.
  • FIG. 4 is a schematic top sectional view of the electrical connector before mating according to one embodiment of the present invention.
  • FIG. 5 is a schematic top sectional view of the electrical connector after mating according to one embodiment of the present invention.
  • FIG. 6 is a schematic top sectional view of an electrical connector according to another embodiment the present invention.
  • relative terms such as “lower” or “bottom” and “upper” or “top,” may be used herein to describe one element's relationship to another element as illustrated in the Figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the Figures. For example, if the device in one of the figures is turned over, elements described as being on the “lower” side of other elements would then be oriented on “upper” sides of the other elements. The exemplary term “lower”, can therefore, encompasses both an orientation of “lower” and “upper,” depending of the particular orientation of the figure.
  • “around”, “about” or “approximately” shall generally mean within 20 percent, preferably within 10 percent, and more preferably within 5 percent of a given value or range. Numerical quantities given herein are approximate, meaning that the term “around”, “about” or “approximately” can be inferred if not expressly stated.
  • this invention in one aspect, relates to an electrical connector.
  • an electrical connector 100 includes an insulation body 1 , multiple terminals fixed to the insulation body 1 , two conducting sheets 5 fixedly disposed at the insulation body 1 , an insulation piece 6 disposed at the insulation body 1 , and a casing 2 framing the insulation body 1 .
  • the multiple terminals include a first terminal group 3 and a second terminal group 4 .
  • the first terminal group 3 includes a first insulation block 31 and multiple first terminals 32 , and the first insulation block 31 and the first terminals 32 form the first terminal group 3 by means of insert-molding.
  • the first terminal 32 includes a first retaining portion 322 embedded in the first insulation block 31 , a first welding portion 323 extending backward from the first retaining portion 322 out of the insulation of the body 1 , and a first insertion portion 321 stretching forward from the first retaining portion 322 into a mating cavity 120 .
  • the second terminal group 4 includes a second insulation block 41 and multiple second terminals 42 , and the second insulation block 41 and the second terminals 42 form the second terminal group 4 by means of insert-molding.
  • the second terminal 42 includes a second retaining portion 422 embedded in the second insulation block 41 , a second welding portion 423 extending backward from the second retaining portion 422 out of the insulation body 1 , and a second insertion portion 421 stretching forward from the second retaining portion 422 into the mating cavity 120 .
  • the first and second terminal groups 3 and 4 are buckled to each other as a whole by means of protrusions (not labeled) and through-holes (not labeled) disposed on the first and second insulation blocks 31 and 41 and then are assembled into the insulation body 1 .
  • the insulation body 1 includes a base portion 11 and a mating portion 12 protruding forward from the base portion 11 .
  • the mating cavity 120 is depressed inward from the mating portion 12 , so as to be inserted therein by a mating connector 200 .
  • Multiple receiving slots (not shown) accommodating the multiple first terminals 32 and second terminals 42 are disposed in the mating cavity 120 .
  • a front end of upper and lower side walls (not labeled) of the mating portion 12 is provided with a groove 122 .
  • Multiple accommodating slots 121 are disposed at a place corresponding to the groove 122 .
  • the accommodating slots 121 run through the insulation body 1 up and down, and the first insertion portions 321 and the second insertion portions 421 are separately correspondingly disposed at the accommodating slots 121 , so as to provide a space for the first insertion portions 321 and the second insertion portions 421 to elastically move up and down.
  • the insulation piece 6 is disposed at the groove 122 and sandwiched between the insulation body 1 and the casing 2 , so as to prevent the first and second insertion portions 321 and 421 from contacting the casing 2 , which causes a short circuit.
  • left and right side walls (not labeled) of the mating portion 12 are each provided with a holding slot 123 .
  • the holding slots 123 run backward from the mating portion 12 through the base portion 11 .
  • Each of the conducting sheets 5 is disposed in the corresponding holding slots 123 .
  • the front end of the holding slot 123 is provided with a protruding portion 124 pressing against the casing 2 , which provides a receiving space for lateral elastic movement of the conducting sheet 5 , and meanwhile strengthens the strength of the front end of the mating portion 12 .
  • the holding slot 123 may also only be disposed at one side of the mating portion 12 , but the present invention is not limited thereto.
  • the two conducting sheets 5 are separately disposed in the holding slots 123 , and each of the conducting sheets 5 has a fixing portion 56 fixed to the insulation body 1 .
  • An elastic support portion 52 is bent and extends forward from the fixing portion 56 and toward the casing 2 , then a first contact portion 51 extends forward from the elastic support portion 52 , protrudes and stretches into the mating cavity 120 .
  • the elastic support portion 52 is used for pressing against the casing 2 to form a supporting point, so that the first contact portion 51 further buckles the mating connector 200 .
  • the force arm affecting the elastic buckling force of the first contact portion 51 is only an elastic segment (not labeled) between the elastic support portion 52 and the first contact portion 51 , and therefore the conducting sheet 5 can be effectively prevented from being instantaneously broken.
  • the elastic support portion 52 may elastically glide front and back relative to the casing 2 , thereby driving the first contact portion 51 to elastically glide front and back, such that the conducting sheets 5 keeps stable elastic contact with both the casing 2 and the mating connector 200 during mating process.
  • first contact portion 51 and the elastic support portion 52 are disposed at the front end of the fixing portion 56 , so as to reduce the force arm of the conducting sheet 5 , and effectively increase the insertion and removal force of the conducting sheet 5 .
  • a second contact portion 53 is bent and disposed at the tail end of the conducting sheet 5 toward the casing 2 , and the second contact portion 53 contacts the casing 2 , so as to perform grounding processing on electromagnetic interference generated between the first and second terminal groups 3 and 4 .
  • only one conducting sheet 5 may be disposed correspondingly at one of the holding slots 123 , but the present invention is not limited thereto.
  • a stopping portion 54 protrudes from each of two sides of the conducting sheet 5 , and is located between the first contact portion 51 and the elastic support portion 52 .
  • the stopping portion 54 is stopped at an inner wall of the corresponding holding slot 123 , so as to prevent the conducting sheet 5 from excessively stretching into the mating cavity 120 due to elastic failure after frequent insertion and removal.
  • an urging portion 55 protrudes from the two sides of the conducting sheet 5 , and is located between the elastic support portion 52 and the fixing portion 56 .
  • the width of the urging portions 55 is greater than the width of other parts of the conducting sheet 5 .
  • the urging portions 55 press against the casing 2 in the width direction up and down, so as to provide an insertion and removal supporting point for the conducting sheet 5 , and further strengthen the insertion and removal force of the conducting sheet 5 .
  • the electrical connector 100 further includes a middle shielding sheet 50 .
  • the middle shielding sheet 50 is disposed in the insulation body 1 and is located between the first terminal group 3 and the second terminal group 4 , to shield electromagnetic interference between the first terminal group 3 and the second terminal group 4 .
  • the fixing portions 56 integrally extends from the middle shielding sheet 50 , that is, the middle shielding sheet 50 and the conducting sheets 5 are integrally formed, so as to help reduce processing steps.
  • the conducting sheets 5 and the middle shielding sheet 50 may also be separately molded, but the present invention is not limited thereto.
  • the elastic support portions 52 do not contact the casing 2 .
  • the first contact portions 51 protrude and stretch into the mating cavity 120 , and the second contact portions 53 contact the casing 2 .
  • the first contact portions 51 buckle the mating connector 200 , and the mating connector 200 presses the conducting sheets 5 , so that the elastic support portions 52 urge against the casing 2 .
  • the electromagnetic interference generated between the first and second terminal groups 3 and 4 may be directly subjected to grounding by the elastic support portions 52 without being grounded by means of the second contact portions 53 , so as to shorten the return grounding path of the electromagnetic interference signal.
  • both the elastic support portions 52 and the second contact portions 53 contact the casing 2 , so as to increase the contact area of the conducting sheet 5 and the casing 2 , and effectively alleviate the electromagnetic interference (EMI) problem of the electrical connector 100 , such that the electrical connector 100 better implements high frequency transmission.
  • EMI electromagnetic interference
  • the distance between the elastic support portions 52 and the first contact portions 51 is less than the distance between the urging portions 55 and the first contact portions 51 , the force arm of the conducting sheets 5 is reduced, and the insertion and removal force of the conducting sheets 5 is effectively increased, so as to prevent the mating connector 200 from loosing and falling off due to the elastic fatigue occurring after the conducting sheets 5 are frequently inserted and removed.
  • FIG. 6 another embodiment of the present invention is shown, and a difference between this embodiment and the foregoing embodiment lies in that: when the electrical connector 100 is not mated to the mating connector 200 , both the elastic support portions 52 and the second contact portions 53 contact the casing 2 , thereby increasing the contact surface of the conducting sheets 5 and the casing 2 , so as to alleviate the electromagnetic interference (EMI) problem of the electrical connector 100 , and ensure effective high frequency transmission of the electrical connector 100 .
  • EMI electromagnetic interference
  • the elastic support portions 52 urge against the casing 2 , the support point of the insertion and removal force of the electrical connector 100 is transferred from the fixing portions 56 to the elastic support portions 52 , so as to reduce the insertion and removal force arm of the conducting sheet 5 , and perform secondary strengthening on the insertion and removal force of the conducting sheets 5 .
  • the electrical connector 100 according to certain embodiments of the present invention, among other things, has the following beneficial advantages.
  • Each of the conducting sheets 5 has an elastic support portion 52 used for pressing against the casing 2 and forming a supporting point, so that the first contact portion 51 further buckles the mating connector 200 .
  • the force arm affecting the elastic buckling force of the first contact portion 51 is only an elastic segment between the elastic support portion 52 and the first contact portion 51 , and therefore the conducting sheet 5 can be effectively prevented from being instantaneously broken.
  • the elastic support portion 52 may elastically glide front and back relative to the casing 2 , thereby driving the first contact portion 51 to elastically glide front and back, such that the conducting sheets 5 keeps stable elastic contact with both the casing 2 and the mating connector 200 during mating process.
  • Each of the conducting sheets 5 is provided with a fixing portion 56 , an elastic support portion 52 is bent and extends from the fixing portion 56 , and a first contact portion 51 extends forward from the elastic support portion 52 . Because the distance between the elastic support portion 52 and the first contact portion 51 is less than the distance between the fixing portion 56 and the first contact portion 51 , the insertion and removal force arm of the conducting sheet 5 is reduced, and the insertion and removal force of the conducting sheet 5 is effectively increased, so as to prevent the mating connector 200 from loosing and falling off due to the elastic fatigue occurring after the conducting sheet 5 is frequently inserted and removed.
  • the first contact portion 51 buckles the mating connector 200 , and the mating connector 200 presses each of the conducting sheet 5 , so that the elastic support portion 52 contacts the casing 2 .
  • the electromagnetic interference generated between the first and second terminal groups 3 and 4 may be directly subjected to grounding by the elastic support portion 52 without being grounded by means of the second contact portion 53 , so as to shorten the return grounding path of the electromagnetic interference signal.
  • both the elastic support portion 52 and the second contact portion 53 contact the casing 2 , so as to increase the contact area of the conducting sheet 5 and the casing 2 , and effectively alleviate the electromagnetic interference (EMI) problem of the electrical connector 100 , such that the electrical connector 100 better implements high frequency transmission.
  • EMI electromagnetic interference
  • Each of the conducting sheets 5 is provided with a stopping portion 54 between the first contact portion 51 and the elastic support portion 52 , and the stopping portion 54 is stopped at the corresponding holding slot 123 , so as to prevent the conducting sheet 5 from excessively stretching into the mating cavity 120 due to elastic failure after frequent insertion and removal.
  • the insulation piece 6 is disposed at the groove 122 and sandwiched between the insulation body 1 and the casing 2 , so as to prevent the first and second insertion portions 321 and 421 from contacting the casing 2 , which causes a short circuit.
US14/604,087 2014-07-15 2015-01-23 Electrical connector Abandoned US20160020569A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/604,087 US20160020569A1 (en) 2014-07-15 2015-01-23 Electrical connector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462024728P 2014-07-15 2014-07-15
US14/604,087 US20160020569A1 (en) 2014-07-15 2015-01-23 Electrical connector

Publications (1)

Publication Number Publication Date
US20160020569A1 true US20160020569A1 (en) 2016-01-21

Family

ID=52772799

Family Applications (9)

Application Number Title Priority Date Filing Date
US14/604,087 Abandoned US20160020569A1 (en) 2014-07-15 2015-01-23 Electrical connector
US14/604,021 Active US9231356B1 (en) 2014-07-15 2015-01-23 Electrical connector for transferring high frequency signal
US14/606,718 Active US9705217B2 (en) 2014-07-15 2015-01-27 Electrical connector
US14/621,134 Active 2036-02-11 US10008793B2 (en) 2014-07-15 2015-02-12 Method for molding electrical connector
US14/643,309 Abandoned US20160020537A1 (en) 2014-07-15 2015-03-10 Shielding connector
US15/641,644 Active US10038260B2 (en) 2014-07-15 2017-07-05 Method for molding electrical connector
US15/641,680 Active 2035-10-30 US10468796B2 (en) 2014-07-15 2017-07-05 Method for molding electrical connector
US15/657,526 Active 2035-10-09 US10439308B2 (en) 2014-07-15 2017-07-24 Method for molding electrical connector
US15/679,454 Active 2035-10-29 US10411375B2 (en) 2014-07-15 2017-08-17 Method for molding electrical connector

Family Applications After (8)

Application Number Title Priority Date Filing Date
US14/604,021 Active US9231356B1 (en) 2014-07-15 2015-01-23 Electrical connector for transferring high frequency signal
US14/606,718 Active US9705217B2 (en) 2014-07-15 2015-01-27 Electrical connector
US14/621,134 Active 2036-02-11 US10008793B2 (en) 2014-07-15 2015-02-12 Method for molding electrical connector
US14/643,309 Abandoned US20160020537A1 (en) 2014-07-15 2015-03-10 Shielding connector
US15/641,644 Active US10038260B2 (en) 2014-07-15 2017-07-05 Method for molding electrical connector
US15/641,680 Active 2035-10-30 US10468796B2 (en) 2014-07-15 2017-07-05 Method for molding electrical connector
US15/657,526 Active 2035-10-09 US10439308B2 (en) 2014-07-15 2017-07-24 Method for molding electrical connector
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US20160020568A1 (en) 2016-01-21

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