CN107681334A

CN107681334A - Electric connector

Info

Publication number: CN107681334A
Application number: CN201610618201.7A
Authority: CN
Inventors: 钟伟; 朱建矿
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2016-08-01
Filing date: 2016-08-01
Publication date: 2018-02-09
Anticipated expiration: 2036-08-01
Also published as: CN107681334B

Abstract

The invention discloses a kind of electric connector, it includes cable, pedestal, collets and some conducting terminals for being fixed on collets in pedestal, the pedestal includes base portion and the docking hyoplastron extended forward from base portion, the docking hyoplastron has two relative interfaces, the conducting terminal includes contact site and from the cable portion that contact site extends back, interface of the contact site exposed to docking hyoplastron, the front end of the cable includes and the conducting terminal mechanical kilowatt and the bare exposed conductor electrically connected, the rear end of the collets is provided with and cable portion one-to-one accepting groove along the longitudinal direction, cable is fixed on accepting groove, the cable portion of the conducting terminal and the bare exposed conductor of cable are embedded in pedestal.Accepting groove fixed cable of the invention by collets is so that the front end of cable is embedded in pedestal, so that cable is not easy to release and electric connector overall volume is smaller.

Description

Electric connector

【Technical field】

The present invention relates to a kind of electric connector, more particularly to a kind of electric connector being embedded in cable front end in pedestal.

【Background technology】

Chinese utility model patent the 203747078th discloses a kind of electric connector, and it includes housing and is assembled in housing Terminal module, the housing include the docking section that main part and main body extend forward, and the terminal module fixing has conduction Terminal, the conducting terminal extend backward more than housing to be connected with External cable, because cable is welded on the outside of electric connector So that cable easily releases and electric connector and cable overall volume are larger.

The defects of based on above-mentioned prior art, it is necessory to provide one kind cable is retained on electrical connector interior so that Cable is obtained to be not easy to release and reduce the electric connector of overall volume.

【The content of the invention】

The technical problems to be solved by the invention are：A kind of cable is provided to be not easy to release and the less electrical connection of overall volume Device.

In order to solve the above technical problems, the present invention can adopt the following technical scheme that：

A kind of electric connector, it includes cable, pedestal, the collets in pedestal and some conducting ends for being fixed on collets Son, the pedestal include base portion and the docking hyoplastron extended forward from base portion, and the docking hyoplastron has two relative interfaces, The conducting terminal includes contact site and from the cable portion that contact site extends back, and the contact site is exposed to pair for docking hyoplastron Junction, the front end of the cable include with the conducting terminal mechanical kilowatt and the bare exposed conductor electrically connected, after the collets End is provided with one-to-one accepting groove, cable are fixed on accepting groove, the cable of the conducting terminal along the longitudinal direction with cable portion The bare exposed conductor of portion and cable is embedded in pedestal.

Compared with prior art, the present invention accommodates the bare exposed conductor of cable, collets by the cable portion of conducting terminal Accepting groove fixed cable is so that the front end of cable is embedded in pedestal, so that cable is not easy to release and electric connector entirety body Product is smaller.

【Brief description of the drawings】

Fig. 1 is the stereogram of electric coupler component of the present invention；

Fig. 2 is another angle stereogram of electric coupler component shown in Fig. 1；

Fig. 3 is electric coupler component optical cable shown in Fig. 1；

Fig. 4 is the further exploded view of the terminal module of electric coupler component shown in Fig. 3；

Fig. 5 is another angle decomposition figure of terminal module shown in Fig. 4；

Fig. 6 is the optical cable of upper terminal module in terminal module shown in Fig. 5；

Fig. 7 is another angle decomposition figure of upper terminal module shown in Fig. 6；

Fig. 8 is sectional view of the electric coupler component along dotted line A-A shown in Fig. 1；

Fig. 9 is sectional view of the electric coupler component along dotted line B-B shown in Fig. 2；

Figure 10 is the stereogram of a conducting terminal in electric coupler component shown in Fig. 3；

Figure 11 is upper collets stereogram and magnified partial view in upper terminal module shown in Fig. 3；And

Figure 12 is the stereogram of a conducting terminal in another embodiment.

Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.

【Embodiment】

Please join shown in Fig. 1 to Fig. 3, electric connector 100 of the present invention include pedestal 3, some conducting terminals 4 and with the phase of conducting terminal 4 Some cables 1 of connection, the pedestal 3 include base portion 32 and the docking hyoplastron 31 extended forward from base portion 32, dock hyoplastron 31 With upper and lower two relative interfaces 301, the conducting terminal 4 includes connecing for the exposed interface 301 in docking hyoplastron 31 Contact portion 42.In a particular embodiment, the 4 first injection molding of conducting terminal forms terminal module 2, terminal in insulating materials Module 2 includes upper terminal module 2a and lower terminal module 2b, and a metal shield 6 is clamped between two terminal modules 2a, 2b, Cable 1 is connected to conducting terminal 4, and the outside of terminal module 2 and cable 1 is molded insulating materials again and forms insulating base 3.

The upper terminal module 2a is roughly the same with lower terminal module 2b structures and stacked on top assembles, so, lead below To be described in detail for one of terminal module.The rear of upper and lower end submodule group be connected to row of cable 1a and under Row of cable 1b.

Join shown in Fig. 9, the conducting terminal 4 includes plate body 41, plate body 41 including preceding plate body 411 and from preceding plate body 411 to It is lower to bend the rear plate body 412 extended in parallel backward again.The upper surface of the preceding plate body 411 protrudes out a contact for being in boss-shaped upwards Portion 42, the upper table of rear plate body 412 are recessed and form a strip connected in star 431 downwards, and the groove 431 forms connection cables 1 Cable portion 43.The top surface 421 of the contact site 42 of the boss-shaped is then exposed to the docking interface 301 of hyoplastron 31, and and interface Concordantly.Certainly, the cable portion 43 is not limited to strip groove structure, or other structures, the fluting shown such as Figure 10 Structure, the cable portion 43 of conducting terminal 4 are to be recessed downwards from the upper table of rear plate body 412 and through the strip fluting of lower surface 432。

Join Fig. 6 and Fig. 7 shown in, the above terminal module 2a citing description, upper terminal module 2a include row's conducting terminal 4, Injection molding is to fix the collets 5 of the conducting terminal 4, the earthing strip 7 of fixed cable 1 and supporting installed in the rear end of collets 5 Casting die 8.With reference to Fig. 8, the collets 5 are three stage structure, including first paragraph 51, the second segment 52 and arranged from the front to the back Three section 53.The preceding plate body 411 and contact site 42 of conducting terminal 4 are embedded in first paragraph 51 and contact site 42 is projected upwards and is exposed to The upper surface of first paragraph 51.Rear plate body 412 and cable portion 43 are embedded in second segment 52 and cable portion 43 is exposed to second segment 52 Upper surface.The 3rd section 53 of collets 5 be provided with one-to-one accepting groove 531 before and after cable portion 43, the accepting groove 531 to House cable 1.Stop section 54 is provided between the second segment 52 of collets 5 and the 3rd section 53, stop section 54 is corresponded at accepting groove 431 Provided with breach 541, breach 541 is front and rear to run through the upper surface of collets 5 through it.Cable 1 passes through accepting groove 531 and breach 541 And extend to the cable portion 43 of terminal 4 and electrically connected with cable portion 43.

The cable 1 includes some signal cables 11 for transmission signal and some power cables for being used to transmit power supply 12.Signal cable 11 is coaxial line, and power cable 12 is single-core line, and some signal cables 11 and power cable 12 form a winding displacement Cable 1 and be connected to conducting terminal 4, in the present embodiment, a row of cable 1 include positioned at outermost both sides power cable 12 and be located at Signal cable 11 among power cable 12.Signal cable 11 includes conductor 111, the inner insulating layer being coated on outside conductor 111 112nd, the wire sheathing 113 being coated on outside inner insulating layer 112 and the external insulation layer 114 being coated on outside wire sheathing 113, lead Body 111, inner insulating layer 112, wire sheathing 113 and external insulation layer 114 are set gradually and naked successively backward forward from inside to outside Dew.The power cable 12 includes conductor 121 and the external insulation layer 122 being coated on outside conductor 121.Power supply in one row of cable 1 Cable 12 is mutually welded and connected one by one respectively at the power supply terminal in terminal module, and signal cable 11 is respectively in terminal module Signal terminal is mutually welded and connected one by one, and the ground terminal in conducting terminal is then linked together by earthing strip 7, hereafter will It is described in detail.

The earthing strip 7 is the sheet metal of strip, if it includes elongate body portion 71, main body 71 extends forward The second contact arm 73 that dry first contact arm 72 and main body 71 extend back, first, second welding arm 72,73 is along front and back To aliging one by one.Earthing strip 7 is located at the lower section of cable 1, and cable 1 is soldered to earthing strip 7.The braiding layer 113 of signal cable 11 is welded It is connected on the main part 71 of earthing strip 7, first contact arm 72 is located at the side of every a pair of differential pair signals cable 11 and forward Extend to the front end flush with conductor 111.Second contact arm 73 is then downward（That is the direction away from cable）Bending extension.So Afterwards, a row of cable 1 and earthing strip 7 are assembled to collets 5, and the first contact arm 72 then contacts the cable portion 43 of ground terminal, and second Contact arm 73 is then exposed in the outside of terminal module 2.

After cable 1 and earthing strip 7 are attached to collets 5, then press part 8 is installed.The press part 8 is noted by insulating materials It is moulding to compress cable 1 and installed in the 3rd section 53 of collets 5 into, press part 8.The bottom surface of press part 8 is provided with and accepting groove 531 Corresponding accepting hole 81,82, accepting groove 531 and accepting hole 81,82, which enclose, to be set to form space, to house and fixed cable 1 and the One contact arm 72.The corresponding accepting groove 531 for housing cable 1 and accepting hole 81 are semi-circular recesses, the interior insulation of signal cable 11 Layer 112 is housed in the semi-circular recesses；The corresponding accepting groove 531 for housing the first contact arm 72 and accepting hole 82 are square recessed Groove.

Join shown in Fig. 4 and Fig. 5, the metal shield 6 stamps out some preceding shell fragments 61 and some rear bullets in its plate face Piece 62, each front and rear shell fragment 61,62 are in alignment with each other and extended in the opposite direction away from the direction of metal shield 6 along the longitudinal direction, The bearing of trend of the adjacent in the vertical direction of preceding shell fragment 61 is on the contrary, for example, preceding shell fragment 61a extends upward, adjacent preceding shell fragment 61b extends down；Shell fragment 62b extends down afterwards, and adjacent rear shell fragment 62a extends upward.Shield 6 offers front two rows square Shape window 63, there is extension 64, above-mentioned front and rear shell fragment 61,62 is respectively from before and after extension 64 between forward and backward row's window 63 Edge extends towards window 63 is interior.With reference to Fig. 6 and Figure 12, the preceding shell fragment 61 and the in the vertical direction of rear shell fragment 62 correspond to respectively Ground terminal 4G contact site 42 and cable portion 43.Set at the corresponding ground terminal 4G of first paragraph 51 of collets 5 contact site 42 There is groove 511, groove 521 is provided with the corresponding ground terminal 4G of second segment 52 cable portion 43.Preceding shell fragment 61 through groove 511 with Ground terminal 4G contact site 42 connects, and the cable portion 43 of rear shell fragment 62 through the groove 521 of collets 5 and ground terminal 4G connects Connect, meanwhile, the second contact arm 73 is connected to form earth-return circuit with metal shield 6, so as to reduce signal interference.Metal covers Plate 6 protrudes out the outward flange of docking hyoplastron 31 and divides docking hyoplastron 31 for two parts symmetrical above and below.Wherein conducting terminal 4 Arrangement and cable 1 and the 72 front and rear one-to-one corresponding of the first contact arm of earthing strip 7.

The bottom of the collets 5 is additionally provided with locating dowel 55 and positioning hole 56, and metal shield 6 is to should be at locating dowel 55 Provided with through hole 65, upper terminal module 2a locating dowel 55 is fixed to lower terminal module 2b's through the through hole 63 of metal shield 6 Positioning hole 56；Lower terminal module 2b locating dowel 55 is fixed to determining for upper terminal module 2a through the through hole 63 of metal shield 6 Position hole 56, so as to which upper terminal module 2a, metal shield 6 and lower terminal module 2b are fixed together.With reference to shown in Fig. 3, lead to Insulating materials is coated on the outside of terminal module 2 and the front end of cable 1 and formed absolutely by the manufacture method for crossing secondary injection molding Edge pedestal 3, so as to form complete electric connector 100.

The manufacture method of electric connector of the present invention is illustrated below with reference to Fig. 1 to Fig. 8, electric connector of the present invention Manufacture method comprises the following steps：

（1）Upper and lower end submodule group 2a, 2b is provided, the up/down terminal module includes collets 5 and is fixed in collets 5 One row's conducting terminal 4, conducting terminal 4 include contact site 42 and from the cable portion 43 that contact site 42 extends back, the Hes of contact site 42 Cable portion 3 is on the surface of collets 5；

（2）Two row of cable 1 are provided, often row includes signal cable 11 and power cable 12, and the front end of each cable 1 is provided with exposed Conductor 111 and wire sheathing 113；

（3）Two earthing strips 7 are provided, earthing strip 7 is located to the lower section of a row of cable 1, the braiding layer 113 of cable 1 is welded in ground connection Bar；

（4）The row of cable 1 for being welded with earthing strip 7 is assembled into corresponding terminal module 2, the conductor 111 of cable contacts one by one The cable portion 43 of conducting terminal in terminal module 2.First contact arm 72 of wherein earthing strip 7 be located at differential pair signal terminal it Between；

（5）One metal shield 6 is provided, between metal shield 6 is held on into upper and lower end submodule group 2a, 2b, wherein earthing strip 7 the second contact arm 73 contact shield 6；

（6）By insulating materials by being enclosed in the outside and the front end of cable 1 of terminal module 2 in the method for injection molding, so as to shape Into insulating base 3, the pedestal 3 has docking hyoplastron 32, and the contact site 42 of the conducting terminal 4 docks hyoplastron exposed to pedestal 3 32 interface 301, the cable portion 43 of the conducting terminal 4 and the conductor 111 of cable 1 are embedded in insulating base 3.

The cable 1 of the present invention first contacts with conducting terminal 4, and insulating materials is then molded on the outside of the two forms insulating base 3, help to greatly reduce the overall volume of electric connector 100.Join shown in Figure 11, pedestal 3 has rear end face 321, the conduction The cable portion 43 of terminal 4 is welded on cable portion 43 positioned at the rear end of docking hyoplastron 31, the bare exposed conductor 111 of cable 1, and exposed leads Body 111 is located in pedestal 3, and inner insulating layer 112 is located at the rear of bare exposed conductor 111, and the inner insulating layer 112 is most of also to be located at base In portion 3, braiding layer 113 is located at the rear of the rear end face 321 of pedestal 3, and the main part 71 of earthing strip 7 and braiding layer are corresponding about 113 And mutually weld together, metal shield 6 extends the rear end face 321 of pedestal 3.Before Figure 12 discloses a pair in the present embodiment The state of shell fragment 61,62 and row's conductive terminal contacts up and down afterwards, the preceding plate body 411 of the preceding shell fragment 61 and lower row's ground terminal 4G Connection, rear shell fragment 62 are connected with upper row's ground terminal 42G rear plate body 412, and braiding layer 113 and the main part 71 of earthing strip 7 connect Connect, the rear end in contact of the second contact arm 73 and metal shield 6 of earthing strip 7, so as to have good earthing effect.

Compared to prior art, electric connector 100 of the present invention by the way that the front end of cable 1 is embedded in pedestal 3 so that Cable 1 is obtained to be not easy to release, greatly reduce the overall volume of electric coupler component 100 and reduce the signal interference between terminal.Separately Outside, by setting the front and rear shell fragment 61,62 on metal shield 6 to be connected with ground terminal 4G so that electric connector 100 of the present invention Crosstalk when transmitting high-frequency signal substantially reduces, so as to which the transmission quality of high-frequency signal be effectively ensured.

Above-described embodiment is better embodiment of the invention, and not all embodiment.Ordinary skill people Member is the right of the present invention by reading description of the invention any equivalent change for taking technical solution of the present invention It is required that covered.

Claims

1. a kind of electric connector, it includes cable, pedestal, the collets in pedestal and some conductions for being fixed on collets Terminal, the pedestal include base portion and the docking hyoplastron extended forward from base portion, and the docking hyoplastron has two relative docking Face, the conducting terminal include contact site and from the cable portions that contact site extends back, and the contact site is exposed to docking hyoplastron Interface, the front end of the cable includes and the conducting terminal mechanical kilowatt and the bare exposed conductor electrically connected, it is characterised in that： The rear end of the collets be provided with cable portion one-to-one accepting groove along the longitudinal direction, cable is fixed on accepting groove, described The cable portion of conducting terminal and the bare exposed conductor of cable are embedded in pedestal.

2. electric connector as claimed in claim 1, it is characterised in that：The cable also includes being coated on the outside of conductor successively Inner insulating layer, wire sheathing and external insulation layer, the conductor, inner insulating layer, wire sheathing and external insulation layer are from the front to the back Exposed successively, exposed inner insulating layer is contained in the accepting groove.

3. electric connector as claimed in claim 2, it is characterised in that：The electric connector also includes earthing strip, the ground connection Bar includes the first contact arm that main part and main body extend forward, and the braiding layer of the cable is welded in the main body of earthing strip Portion, first contact arm extends forwardly into flush against one another with the bare exposed conductor of cable.

4. electric connector as claimed in claim 3, it is characterised in that：The cable and the first contact arm pass through the accepting groove And extend to cable portion and electrically connected by welding with cable portion.

5. electric connector as claimed in claim 3, it is characterised in that：The collets are three stage structure, and it is included by preceding The first paragraph that arranges backward, second segment and the 3rd section, the contact site of the conducting terminal is fixed on first paragraph, and the cable portion consolidates Second segment is scheduled on, the accepting groove is arranged at the 3rd section of collets.

6. electric connector as claimed in claim 5, it is characterised in that：The electric connector also includes press part, described to compress Part compresses cable and installed in the 3rd section of collets, and the bottom surface of the press part is provided with and accepting groove corresponding receipts up and down one by one Rong Kong.

7. electric connector as claimed in claim 6, it is characterised in that：The corresponding accepting groove for housing cable and accepting hole are semicircle Connected in star, the corresponding accepting groove for housing the first contact arm and accepting hole are square groove.

8. electric connector as claimed in claim 1, it is characterised in that：The electric connector also includes upper terminal module and lower end Submodule group, the upper and lower end submodule group include the insulation of row's conducting terminal and injection molding fixed conductive terminals respectively Block, the upper and lower end submodule group vertically stack and are clamped with metal shield.

9. electric connector as claimed in claim 8, it is characterised in that：The bottom of the collets is provided with locating dowel and positioning Hole, the metal shield, which corresponds to, is provided with through hole at the locating dowel and positioning hole.

10. electric connector as claimed in claim 8, it is characterised in that：The pedestal is coated on by way of injection molding The front end of cable and the outside of upper and lower end submodule group.