CN2615899Y - Power supply connector - Google Patents

Power supply connector Download PDF

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Publication number
CN2615899Y
CN2615899Y CNU032565097U CN03256509U CN2615899Y CN 2615899 Y CN2615899 Y CN 2615899Y CN U032565097 U CNU032565097 U CN U032565097U CN 03256509 U CN03256509 U CN 03256509U CN 2615899 Y CN2615899 Y CN 2615899Y
Authority
CN
China
Prior art keywords
terminal
power connector
center terminal
butt joint
docking section
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.)
Expired - Fee Related
Application number
CNU032565097U
Other languages
Chinese (zh)
Inventor
吴亚军
马学东
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.)
Molex LLC
Original Assignee
Molex LLC
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 Molex LLC filed Critical Molex LLC
Priority to CNU032565097U priority Critical patent/CN2615899Y/en
Priority to PCT/US2004/011526 priority patent/WO2004095652A1/en
Priority to US10/545,065 priority patent/US7114989B2/en
Priority to KR1020057019048A priority patent/KR20050123143A/en
Application granted granted Critical
Publication of CN2615899Y publication Critical patent/CN2615899Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • 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
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The utility model provides a power connector, it can dock with a corresponding butt joint component, mainly includes: an insulating shell, a center terminal and at least one auxiliary terminal. The center terminal further includes: a cylindrical butt joint part, a group of connection parts and a connection part connecting the butt joint part and the group of connection parts. The butt joint part can be butted with the butt joint element, and the assembling part can be pressed to the circuit board. One end of the connecting part extending from the butt joint part is an arc part with the radian equivalent to that of the butt joint part, and the arc part is tightly contacted with the inner wall of the insulating shell. The power connector increases the contact area of the central terminal and the insulating shell under the condition of not changing the horizontal slotting size of the insulating shell, thereby better fixing the central terminal in the insulating shell and improving the stability of a current path. The power connector has the advantages of simple manufacturing process and high product qualification rate.

Description

Power connector
Technical field
The utility model is about a kind of power connector, especially about a kind of connecting circuit plate and butt joint electronic component with the power connector of transmission current.
Background technology
Power connector is widely used in being used for transmitting direct current on the electronic product (as the cell-phone charging socket).The existing power supply connector generally includes a center terminal and at least one auxiliary terminal on every side.During use, center terminal docks with the both positive and negative polarity of abutment element respectively with an end of auxiliary terminal, and the other end then is soldered to circuit board, thereby plays the effect of transmission current, so center terminal becomes element important in the power connector.Be to reduce the contact resistance of power connector, improve the stability of current path, the existing power supply connector adopts columniform center terminal directly to be bent to form the mode that a weld part and circuit board are connected with group.But columniform weld part makes center terminal add the processing mode that must utilize man-hour multiaxis to be shaped, complex process and quality instability; Smooth in addition cylindrical center terminal also is difficult for being retained in the insulating body, and then influences the stability of current delivery.
For addressing the above problem, Chinese patent discloses a kind of power connector 7 No. 01280613.As shown in Figure 1, this power connector 7 mainly comprises: an insulating body 70, a center terminal 71 and number of plate-shaped terminal 72.Center terminal 71 and blade terminals 72 all are contained in the insulating body 70.Center terminal 71 comprise hollow cylindrical docking section 710, be the weld part 711 of frame structure and connect the connecting portion 712 of above-mentioned docking section 710 and weld part 711.The both sides of connecting portion 712 extend horizontally away bilamellar interference part 7120, and interference part 7120 ends are provided with some protruding 7121, whereby center terminal 71 are retained in the insulating body 70.This power connector 7 changes common columniform weld part 711 into framework shape, has simplified manufacturing process, has improved the fixing of center terminal 71 in insulating body 70 to a certain extent by being provided with some interference parts of protruding 7,121 7120 again.Yet its two interference part 7120 all is horizontal sheet, itself and insulation shell 70 inwall contacts area are very little, promptly interference effect between the two is less, very difficult assurance effectively is retained in the insulating body 70 when center terminal 71 is repeatedly docked or collided more energetically by other, thereby influences the stability of current delivery.
Please refer to Fig. 2, the TaiWan, China patent discloses another kind of improved power connector 8 No. 090219436, and it mainly comprises: a housing 80, a stator 81, a shell fragment 82 and a cylindrical terminal 83 (being center terminal).These terminal 83 terminal vertical extent one weld tabs 830 close on the oblique shape grab 832 that the end is provided with symmetry, close on the front end place and then are provided with and outstanding are connected to terminal body 833 to form suitable flexible contact chip 834.This power connector 8 adopts sheet weld tabs 830 to replace columniform weld part to simplify manufacturing process equally, and tiltedly the setting of shape grab 832 has then increased the interference effect of 80 of terminal 83 and housings than the interference part of level, has improved the stability of terminal 83.Yet this improvement is a sub-fraction for the fixing of whole terminal 83, being still of playing a major role connects the horizontal tabs 831 of weld tabs 830 and terminal body 833, relies on its interference with the plane contact generation of housing 80 that terminal 83 is retained in the housing 80.Because the retain strength of this fixing mode depends on the contact area of horizontal tabs 831 and housing 80 inwalls, that is, and the size of horizontal tabs 831 self.For improving the area that retain strength certainly will will increase horizontal tabs 831, to increase the size of housing 80 accordingly.In electronic product today of miniaturization day by day, obviously can not adapt to consumption demand.
Comprehensive above the analysis, take certain corrective measure although the existing power supply connector, improves the stable aspect of center terminal at simplified manufacturing technique, but still had a lot of defectives, need further to improve the structure of center terminal, thereby guarantee the stability of current delivery.
Summary of the invention
The purpose of this utility model is to provide a kind of power connector, and it can dock the element butt joint with one, can effectively center terminal be retained in the insulation shell, improves the stability of current delivery, and manufacturing process is simple simultaneously, constant product quality.
For realizing aforementioned purpose, the technical scheme that the utility model foundation is following: power connector mainly comprises an insulation shell, a center terminal and at least one auxiliary terminal.This insulation shell has some receiving spaces, center terminal and auxiliary terminal can be contained in the insulation shell.Center terminal comprises that but a columniform docking section, a winding are to the group connecting part of circuit board and connect the connecting portion of this docking section and group connecting part.The terminal side in docking section is provided with the interference part of a pair of diagonal stabbing shape, and center terminal effectively is immobilizated in the insulation shell.Connecting portion extends an end from the docking section be to have the arc sections suitable with the docking section radian, and this arc sections closely contacts with the insulation shell inwall, utilizes interference effect between the two that center terminal more effectively is retained in the insulation shell.
The beneficial effects of the utility model are: under the size condition of the level fluting that does not increase insulation shell Collecting Center terminal, improve the fixing of insulation shell to center terminal, reduce the relative displacement of center terminal, thereby guarantee the stability of current delivery.Simplified the manufacturing process of power connector simultaneously, improved the quality of products, saved production cost.
Description of drawings
Fig. 1 is the three-dimensional exploded view of an existing power supply connector;
Fig. 2 is the three-dimensional exploded view of another existing power supply connector;
Fig. 3 is the stereogram of the utility model power connector one preferred embodiment;
Fig. 4 is an end view embodiment illustrated in fig. 3;
Fig. 5 is a three-dimensional exploded view embodiment illustrated in fig. 3;
Fig. 6 is the generalized section of the insulation shell of Fig. 5 along the B-B direction;
Fig. 7 is the generalized section of the power connector of Fig. 3 along the A-A direction;
Fig. 8 is the generalized section after power connector shown in Figure 7 docks a pair of connected components.
Embodiment
Now in conjunction with the accompanying drawings the utility model power connector one preferred embodiment is described in detail below:
As shown in Figures 3 and 4, the utility model power connector 1 comprises: an insulation shell 2, a center terminal 3 and an auxiliary terminal 4, center terminal 3 all is contained in the insulation shell 2 with auxiliary terminal 4.
In conjunction with Fig. 3, Fig. 5 and shown in Figure 6, insulation shell 2 have one towards abutment element 5 (as, charger for mobile phone) front end face 20 and the rear end face 21 relative with this front end face 20 connect front end face 20 and rear end face 21 and are formed with a upper surface 22, one first side 23 respectively.The butt joint space 24 of one appropriate depth is arranged to insulation shell 2 sunken insides on front end face 20, be formed with a cylindrical accepting hole 25 and be through to rear end face 21 along these 24 axis, butt joint space.At this accepting hole 25 near first sides, 23 1 sides, on rear end face 21 to the groove 250 of insulation shell 2 sunken insides one appropriate depth; Then on rear end face 21, prolong its vertical tangent line at accepting hole 25 opposite sides and upwards 22 be recessed to form one first receiving space 26 to the upper surface.The part that this first receiving space 26 caves on rear end face 21 is a narrow link slot 260; The part of depression is an accepting groove 261 on upper surface 22, and this accepting groove 261 is formed with two holding slots 262 respectively near rear end face 21 both sides.In insulation shell 2 inside, accepting hole 25 1 sides that are positioned at groove 250 homonymy the place aheads are provided with a location notch 251 (referring to Fig. 6).
One second receiving space 27 in addition that communicates with butt joint space 24 is used to accommodate auxiliary terminal 4.This second receiving space 27 caves on rear end face 21, upper surface 22 and first side 23 and communicates, and relative receiving space top 270, sidepiece 271 and receiving space bottom 272 are respectively applied for accommodates auxiliary terminal top 40, sidepiece 41 and bottom 42.Wherein receiving space top 270 is formed with two holding slots 273 near both sides, rear end face 21 place, to cooperate the shape on auxiliary terminal top 40.
See also Fig. 5, center terminal 3 is formed by sheet metal punching press bending, and it comprises that a hollow cylindrical docking section 30, a sheet group connecting part 32 and connect the connecting portion 31 of docking section 30 and group connecting part 32.This docking section 30 can be docked with abutment element 5, and its front end is sphere shape, and its end and connecting portion 31 adjacents one side are formed with the interference part 301 of a pair of diagonal stabbing shape.This interference part 301 the docking section 30 of center terminal 3 be rolled into cylindrical before promptly punching out form, and be positioned at 30 both sides, docking section.30 extensions, one end can convenient in the lump formation when bending docking section 30 for keeping the arc sections 310 of docking section 30 radians from the docking section for connecting portion 31.This arc sections 310 is extended one vertically upward and is connected body 311, and it is contained in the link slot 260 of first receiving space 26.Be provided with a projection 3110 in connection body 311 about center, this projection 3110 can act synergistically with arc sections 310, prevents center terminal 3 skews.By connecting body 311 to arc sections 310 an opposite side horizontal-extending one horizontal parts 312, group connecting part 32 promptly from this horizontal part 312 to docking section 30 in the same way a skew back extend upward.For improving itself and the effect that contacts of circuit board (not shown), group connecting part 32 front ends are a bending, and it is terminal to be provided with two holding parts 321 (wherein the holding parts 321 away from arc sections 310 1 sides is one with horizontal part 312) near connecting portion 31 both sides.
Auxiliary terminal 4 also is to be formed by sheet metal punching press bending, roughly is left square bracket shape.Wherein terminal upper portion 40 is identical to horizontal part 312 partial shapes with the group connecting part 32 of center terminal 3.Terminal sidepiece 41 has the base portion 411 and the first long narrow contact site 412 from the extension of base portion 411 1 sides of a broad.This first contact site 412 can contact with abutment element 5, and its front end bends to the inside, to improve elasticity and to strengthen the effect that contacts with abutment element 5.Its front end extends a crosspiece 413, and this crosspiece 413 can prop up the inwall of insulation shell 2, to 41 certain supporting roles of terminal sidepiece, and can move easily when docking with abutment element 5 thereupon.Base portion 411 both sides are provided with some hangnails 430, base portion 411 can be retained in the insulation shell 2 preferably, prevent that first contact site 412 from moving the skew of generation.Auxiliary terminal bottom 42 is rectangle, it has been provided with some hangnails 430 of fixing effect equally by the both sides, rear portion, it then is provided with one near front center and extends to the invagination flexure strip (simultaneously referring to Fig. 7) in butt joint space 24 to the back upper place, i.e. second contact site 420, this second contact site 420 is oppressed by abutment element 5 during with abutment element 5 butt joints and is closely contacted (referring to Fig. 8) with it at power connector 1.
Please refer to Fig. 4, Fig. 5 and Fig. 7, when assembling power connector 1, center terminal 3 is pressed into from housing 2 rear portions of insulating with auxiliary terminal 4.The cylindrical docking section 30 of center terminal 3 is contained in the accepting hole 25, and groove 250 is passed against interfering in location notch 251 sidewalls in the interference part 301 of one side.The arc sections 310 of connecting portion 31 is contained in accepting hole 25 rear portions, and contacts closely with its inwall that formation is more capable and experienced to be related to, and the projection 3110 that connects simultaneously in the body 311 can be resisted against link slot 260 simultaneously, works simultaneously with arc sections 310.The horizontal part 312 of connecting portion 31 is resisted against corresponding holding slot 262 sidewalls respectively with the holding parts 321 of group connecting part 32, and group connecting part 32 is worked to support the location.Group connecting part 32 then extends outside it from accepting groove 261 about center, can conveniently be crimped to circuit board (not shown).
Fig. 8 is the profile of power connector 1 when docking with abutment element 5, and abutment element 5 is inserted butt joint spaces 24 and forced that auxiliary terminal first contact site 412 moves, second contact site 420 moves down outward.Abutment element inwall 51 (linking to each other with positive pole) docks with the docking section 30 of center terminal 3, outer wall 52 (linking to each other with negative pole) docks with first contact site 412, second contact site 420, and the group connecting part 32 of center terminal 3, auxiliary terminal top 40 are crimped to circuit board (not shown), thereby constitute an electric path, realize reliable current delivery.
Because any horizontal section area that the area of arc sections 310 passes on its arc end all wants big, promptly under the condition that does not increase accepting hole 25 diameters, increased the contact area of center terminal 3 with insulation shell 2, thereby better center terminal 3 is retained in the insulation shell 2, has improved the stability of current path.Manufacturing process is simple simultaneously, and has guaranteed the miniaturization of product.
Feature of the present utility model and technology contents disclose as above, yet person skilled in the art person still may do all replacement or modifications that does not deviate from the utility model spirit based on announcement of the present utility model and teaching.Therefore, protection range of the present utility model should be not limited to the content that above embodiment discloses, and contains and should be the present patent application claim.

Claims (7)

1. power connector, it can dock element butt joint transmission current with one, comprising: an insulation shell, a center terminal and at least one auxiliary terminal; This insulation shell has some receiving spaces can accommodate this center terminal and auxiliary terminal, and this center terminal comprises that one is connected the connecting portion of this docking section and group connecting part with the docking section, of abutment element butt joint with the group connecting part and that circuit board contacts; It is characterized in that described connecting portion extends an end from the docking section be a curved arc sections, this arc sections closely contacts with the receiving space inwall of insulation shell, thereby center terminal is retained in the insulation shell.
2. power connector according to claim 1, the docking section that it is characterized in that described center terminal is cylindrical, and front end is dome shape.
3. power connector according to claim 2 is characterized in that the radian of the radian of described arc sections and docking section is suitable.
4. power connector according to claim 1 is characterized in that described arc sections can be any radian of large semicircle, semicircle or small semicircle etc.
5. power connector according to claim 1 is characterized in that docking section one side of described center terminal is provided with some diagonal stabbing shapes interference part, so that center terminal is immobilizated in the insulation shell.
6. power connector according to claim 1 is characterized in that the about center of described connecting portion is provided with a projection, and this projection can be worked in coordination with this center terminal of fixing with described arc sections.
7. power connector according to claim 1 is characterized in that described center terminal and auxiliary terminal are crimped to circuit board.
CNU032565097U 2003-04-18 2003-04-18 Power supply connector Expired - Fee Related CN2615899Y (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNU032565097U CN2615899Y (en) 2003-04-18 2003-04-18 Power supply connector
PCT/US2004/011526 WO2004095652A1 (en) 2003-04-18 2004-04-15 Coaxial electrical connector
US10/545,065 US7114989B2 (en) 2003-04-18 2004-04-15 Coaxial electrical connector
KR1020057019048A KR20050123143A (en) 2003-04-18 2004-04-15 Coaxial electrical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU032565097U CN2615899Y (en) 2003-04-18 2003-04-18 Power supply connector

Publications (1)

Publication Number Publication Date
CN2615899Y true CN2615899Y (en) 2004-05-12

Family

ID=33304445

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU032565097U Expired - Fee Related CN2615899Y (en) 2003-04-18 2003-04-18 Power supply connector

Country Status (3)

Country Link
KR (1) KR20050123143A (en)
CN (1) CN2615899Y (en)
WO (1) WO2004095652A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354836A (en) * 2011-08-04 2012-02-15 实盈电子(东莞)有限公司 Power socket connector and conductive terminals thereof
CN102801050A (en) * 2011-05-23 2012-11-28 富士康(昆山)电脑接插件有限公司 Cable connector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536276A1 (en) * 1995-09-28 1997-04-03 Siemens Ag Device for connecting a coaxial connector to a printed circuit board in SM technology
DE19851790C2 (en) * 1998-11-10 2002-07-11 Ims Connector Systems Gmbh coaxial
TW476466U (en) * 2000-09-29 2002-02-11 Hon Hai Prec Ind Co Ltd Electrical connector
TW542455U (en) * 2001-12-26 2003-07-11 Hon Hai Prec Ind Co Ltd Power connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102801050A (en) * 2011-05-23 2012-11-28 富士康(昆山)电脑接插件有限公司 Cable connector
CN102354836A (en) * 2011-08-04 2012-02-15 实盈电子(东莞)有限公司 Power socket connector and conductive terminals thereof

Also Published As

Publication number Publication date
KR20050123143A (en) 2005-12-29
WO2004095652A1 (en) 2004-11-04
WO2004095652A8 (en) 2005-02-10

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee