The utility model content
The purpose of the utility model provides a kind of socket connector, and it is the effect of reaching EMI suppression with the metal shell set of shield insulating body of two-piece type is provided, and has the purpose of operation to reduce cost of improving when making with assembling; And have the effect that the terminal group of transmitting high-frequency signals can be promoted EMI suppression, and can improve the purpose that noise produces.
For reaching above-mentioned purpose, the utility model provides a kind of socket connector, comprise: an insulating body, it has relative the place ahead and rear, and this insulating body comprises a body and is connected at interval this body and corresponding to a hyoplastron portion and a board in this place ahead; One the first terminal group, have most the first terminals, each the first terminal includes first base portion that is fixed in this body, one first contact site, and one stretches out first welding foot at this body rear, and first contact site of this first terminal group is in two relative plate faces of this hyoplastron portion; One second terminal group, have most second terminals, each second terminal includes first base portion that is fixed in this body, one second contact site, and second welding foot that stretches out in this body rear, and second contact site of this second terminal group is in the plate face of this board towards this hyoplastron portion; An and metal shell group, have this insulating body of shielding and relative one first metal shell and one second metal shell in front and back, this first metal shell and this insulating body define the grafting space of a tool socket jointly, this second metal shell defines a shielding space jointly at this insulating body rear, first welding foot and second welding foot of this first terminal group and this second terminal group stretch into this shielding space, and each second welding foot is adjacent to this second metal shell, and this first metal shell is provided with first contact arm and second contact arm that corresponding overlap joint contacts with this second metal shell.
The utlity model has following beneficial effect: the metal shell group by two-piece type is with shielding insulation body and the effect of reaching EMI suppression, so comparatively convenient for manufacturing for assembling, operation in the time of can improving manufacturing with assembling is to reduce cost, and first metal shell more can be selected into different metal materials for use with second metal shell further, uses considering of more reducing cost.And be adjacent to second metal shell by second welding foot, more promoting the effect of EMI suppression, and can improve the generation situation of noise for second terminal group of transmitting high-frequency signals.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present utility model;
Fig. 2 is another visual angle three-dimensional exploded view of the present utility model;
Fig. 3 is the 3-3 cutaway view of Fig. 2;
Fig. 4 is a three-dimensional assembled sectional view of the present utility model;
Cutaway view when Fig. 5 supplies the patchplug connector for the utility model.
[main element symbol description]
Insulating body 1
101 rears 102, the place ahead
Body 11 fixture blocks 111
Stopper slot 112 location notchs 113
Elastic clamping hook 114 hyoplastron portions 12
Board 13 side wall portions 14
The first terminal groove 15 second terminal grooves 16
Power end pilot trench 17
The first terminal group 2
The first terminal 20
First base portion, 21 first contact sites 22
First welding foot 23
Power supply terminal 30
Holding parts 31 bent over arms 32
Conflict arm 33 legs 34
Second terminal group 4
Second terminal 40
Second base portion, 41 second contact sites 42
Second welding foot 43
Metal shell group 5
First metal shell 50
First contact arm, 51 grounding legs 52
Banking stop 53 grafting spaces 54
Socket 541
Second metal shell 60
Second contact arm, 61 hole clippings 62
Shielding space 63
Terminal fixing pedestal 7
Wear groove 71 projections 72
Circuit board 8
Welding hole 81 ground holes 82
Pin connector 9
Embodiment
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and explanation usefulness, be not to be used for to the utility model limitr in addition.
Please consult Fig. 1 earlier to shown in Figure 3, the utility model provides a kind of socket connector, and it is the socket connector of USB3.0B type (B-TYPE), includes an insulating body 1, a first terminal group 2, one second terminal group 4 and a metal shell group 5.
Insulating body 1 has relative the place ahead 101 and rear 102, includes a body 11, a hyoplastron portion 12 and a board 13.Hyoplastron portion 12 and board 13 are relative up and down to be connected in body 11 and corresponding to above-mentioned the place ahead 101 directions.In embodiment more specifically, three lateral margins at body 11 are extended with side wall portion 14 forward, insulating body 1 more includes most the first terminal grooves 15 of being located at hyoplastron portion 12 relative two plate faces and extending to body 11, reaches most second terminal grooves 16 of being located at a plate face of board 13 and extending to body 11, and more includes two power end pilot trench 17 of being located at hyoplastron portion 12 two lateral walls and extending to body 11.In addition, be equipped with fixture block 111 and be concaved with stopper slot 112 in body 11 two lateral walls, the rear wall at body 11 rears 102 is concaved with most location notchs 113, and is respectively equipped with an elastic clamping hook 114 in 102 both sides, body 11 rears.
The first terminal group 2 has most the first terminals 20, be to be provided with four, each the first terminal 20 includes one first base portion 21, first contact site 22 from first base portion, 21 1 ends bending extension, reaches first welding foot 23 from the 21 relative other ends bending extensions of first base portion.
Second terminal group 4 has most second terminals 40, be to be provided with five, each second terminal 40 includes one second base portion 41, second contact site 42 from the extension of second base portion, 41 1 ends, reaches second welding foot 43 from the 41 relative other ends bending extensions of second base portion.
Metal shell group 5 has one first metal shell 50 and one second metal shell, 60, the first metal shells 50 are provided with flexible first contact arm 51 of two tools in the bending of the rearward end place at top, second metal shell 60 is provided with two corresponding to flexible second contact arm 61 of first contact arm, 51 tools in the bending of the front end on top.In addition, the bottom of first metal shell, 50 relative both sides is extended respectively and is provided with a grounding leg 52, and tears in both sides and to be bent with banking stop 53, the second metal shells 60 relative both sides and then to be respectively equipped with hole clipping 62.
In the utility model, the first terminal group 2 also has two power supply terminals 30, and it includes conflict arm 33 that bent over arms that a holding parts 31, extends from the bending of holding parts 31 1 ends 32, extends from bent over arms 32 terminal bendings, an and leg 34 that extends from holding parts 31 sides respectively.
Each the first terminal 20 of the first terminal group 2 plugs and is fixed in the insulating body 1, be fixed in by first base portion 21 in the first terminal groove 15 of body 11 correspondences, and first contact site 22 of four the first terminals 20 is positioned at the first terminal groove 15 on the two relative plate faces of hyoplastron portion 12 and protrudes out the first terminal groove 15, and each first welding foot 23 is to stretch out in body 11 rears 102 and insert to be through at corresponding location notch 113.Wherein, the first terminal 20 is to be fixed in the insulating body 1 with relative the plugging in front and back in twos, first contact site 22 that is positioned at two the first terminals 20 in front side is positioned at hyoplastron portion 12 a plate face (being positioned at upper face) wherein, and first contact site 22 that is positioned at two the first terminals 20 of rear side is positioned at hyoplastron portion 12 another plate face (being positioned at lower face) wherein.Two power supply terminals 30 plug respectively and are fixed in insulating body 1, be fixed in by holding parts 31 in the power end pilot trench 17 of body 11 correspondences, and bent over arms 32 is positioned at power end pilot trench 17, conflict arm 33 is protruded be positioned at the relative two side of hyoplastron portion 12,34 of legs stretch out in body 11 rears 102 and insert and are through at corresponding location notch 113.
Each second terminal 40 of second terminal group 4 plugs and is fixed in the insulating body 1, be fixed in by second base portion 41 in second terminal groove 16 of body 11, make second contact site 42 be positioned at board 13 on the plate face of hyoplastron portion 12, that is be positioned on the plate face of below, and second welding foot 43 stretches out in the rear 102 of body 11.
First metal shell 50 and second metal shell 60 are relative before and after being to be mounted on insulating body 1 with shielding insulation body 1, and first metal shell 50 and insulating body 1 define the grafting space 54 of a tool socket 541 jointly, and hyoplastron portion 12 promptly is positioned at grafting space 54 with board 13.The banking stop 53 of first metal shell 50 is to snap in the stopper slot 112 of insulating body 1, has the situation that prevents that first metal shell 50 from coming off forward by stopper slot 112 block banking stops 53.Second metal shell 60 defines a shielding space 63 jointly at the rear 102 of insulating body 1, first welding foot 23, leg 34 and second welding foot 43 stretch into shielding space 63, and each second welding foot 43 is adjacent to the back shell wall of second metal shell 60, and the fixture block 111 of insulating body 1 snaps in the hole clipping 62 of second metal shell 60, to fix second metal shell 60.Simultaneously, after second metal shell 60 was mounted on insulating body 1, second contact arm 61 was promptly inserted and the overlap joint contact with 51 pairs corresponding of first contact arms.
By above-mentioned, by the metal shell group 5 of two-piece type with shielding insulation body 1, so comparatively convenient for manufacturing for assembling, operation in the time of can improving manufacturing with assembling is to reduce cost, and both can select into different metal materials for use first metal shell 50 and second metal shell 60, use considering of more reducing cost.
On the other hand, can further comprise a terminal fixing pedestal 7 in the utility model, it is provided with most and wears groove 71, and convexes with a projection 72 respectively in relative both sides.Terminal fixing pedestal 7 is that each second welding foot 43 of being mounted on body 11 rears 102, the second terminal group 4 of insulating body 1 is from lower to upper inserted and is through at the corresponding groove 71 of wearing, and uses the second long welding foot 43 of position length.In addition, the elastic clamping hook 114 of insulating body 1 is snapped in the projection 72 of terminal fixing pedestal 7, uses and fixes terminal fixing pedestal 7, so via being equipped with of elastic clamping hook 114 and projection 72, having and promotes the assembleability that terminal fixing pedestal 7 is combined in insulating body 1.
Socket connector of the present utility model can provide to be located on the circuit board 8, and it is provided with the welding hole 81 corresponding to the first terminal group 2 and second terminal group, 4 quantity, and is provided with the ground hole 82 corresponding to the grounding leg 52 of metal shell group 5.The first terminal 20, power supply terminal 30 all are to plug in the corresponding welding hole 81 with first welding foot 23, the leg 34 of second terminal 40 with the terminal part of second welding foot 43, form with circuit board 8 welding by scolder and to conduct, 52 of grounding legs insert in the corresponding ground hole 82, weld to form ground connection with circuit board 8 by scolder, and contact with the overlap joint of second contact arm 61 by first contact arm 51, make then second metal shell 60 can with circuit board 8 formation ground connection.
Socket connector of the present utility model can be pegged graft for corresponding pin connector 9, and it can be inserted in the grafting space 54 from socket 541, and with the first terminal group 2 with second terminal group, 4 corresponding contacts transmission signal and power supply etc.In addition, second terminal group 4 is the signal in order to carry high frequency, therefore more easily produces noise, so is adjacent to the back shell wall of second metal shell 60 because of second welding foot 43, therefore can promote the effect of EMI suppression, to improve the generation of noise.
Comprehensive above-mentioned explanation, the utility model with shielding insulation body 1 and the effect of reaching EMI suppression, can improve the function made from the operation of assembling etc. by the metal shell group 5 of two-piece type then, and what reduce cost then considers.Simultaneously, second welding foot 43 of second terminal group 4 by transmitting high-frequency signals is adjacent to second metal shell 60, more promoting the effect of EMI suppression, and improves the generation situation of noise.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.