CN203983638U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN203983638U CN203983638U CN201420447998.5U CN201420447998U CN203983638U CN 203983638 U CN203983638 U CN 203983638U CN 201420447998 U CN201420447998 U CN 201420447998U CN 203983638 U CN203983638 U CN 203983638U
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- CN
- China
- Prior art keywords
- electric connector
- hyoplastron
- conducting terminal
- shield housing
- pedestal
- 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 - Lifetime
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- 239000002184 metal Substances 0.000 claims abstract description 42
- 238000003032 molecular docking Methods 0.000 claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- 238000005304 joining Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 230000012447 hatching Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A kind of electric connector, comprising: an insulating body, and it comprises a pedestal and by this pedestal extended hyoplastron forward; Be fixed on one group of first conducting terminal and one group of second conducting terminal on this insulating body; One grounded metal sheet, it comprises a main body and by extended one first connecting portion of this main body, this main body is arranged in this hyoplastron and spaced apart first group of conducting terminal and second group of conducting terminal; One inner shield housing, it covers the rear portion of this hyoplastron and the front surface of this pedestal, and contacts and set up electric connection with the first connecting portion of this grounded metal sheet; And an external shield housing, its by coated this inner shield housing therein, and the peripheral space that surrounds this hyoplastron forms one first docking chamber.The utility model can be reliably for grounded metal sheet provides grounded circuit.
Description
Technical field
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that grounded circuit can be provided for grounded metal sheet reliably.
Background technology
Along with the development of electronic technology, the signal of electric connector transmission more and more trends towards high-frequency high-speed, therefore also the earth shield structure of electric connector is had higher requirement, and requires earth shield structure to have more grounding path, better earthing effect.Chinese patent CN201320378153.0 has disclosed a kind of electric connector, it comprises insulating body, be immobilizated in the first end subgroup of insulating body, shielding part and be arranged at the metal shell outside insulating body, described insulating body comprises base portion and the hyoplastron extending forward, described hyoplastron has the first surface and the second surface that are oppositely arranged, first end subgroup is exposed to described first surface, shielding part is arranged at hyoplastron and between first surface and second surface, described first end subgroup comprises earth terminal, described earth terminal is provided with the contact site that is convexly equipped with and contacts this shielding part towards described shielding part.The shielding part of this structure can reduce the signal cross-talk between first end subgroup and the second terminal group, but this shielding part is by coming in contact to increase grounded circuit with the Gothic arch contact site forming towards shielding part bending of earth terminal, the contact site of this Gothic arch is in default of elasticity, the contact that is not only difficult for providing firm causes earthing effect poor, and earth terminal also easily just causes Gothic arch contact site to contact with shielding part because of skew or distortion slightly in the time of assembling, and therefore this mode of grounded circuit that provides is reliable not; And because the position of contact is the inner side that is positioned at earth terminal, also cannot detect by visual observation if any loose contact.
Utility model content
Technical problem to be solved in the utility model is to overcome the existing deficiency of above-mentioned prior art, and proposes a kind of electric connector, can be reliably for grounded metal sheet provides grounded circuit.
The utility model proposes to comprise a kind of electric connector for above-mentioned technical problem, comprising:
One insulating body, it comprises a pedestal and by this pedestal extended hyoplastron forward, this hyoplastron has one first interface opposing upper and lower and one second interface;
One group of first conducting terminal, this first conducting terminal comprises the fixed part that is fixed on this pedestal, is extended to forward a docking part of this hyoplastron and stretched out backward an afterbody of this pedestal by this fixed part by this fixed part, and this docking section exposes to the first interface of this hyoplastron;
One group of second conducting terminal, this second conducting terminal comprises the fixed part that is fixed on this pedestal, is extended to forward a docking part of this hyoplastron and stretched out backward an afterbody of this pedestal by this fixed part by this fixed part, and this docking section exposes to the second interface of this hyoplastron;
One grounded metal sheet, it comprises a main body and by extended one first connecting portion of this main body, this main body is arranged in this hyoplastron and spaced apart this group first conducting terminal and this group the second conducting terminal, and this first connecting portion exposes to this insulating body;
One inner shield housing, it covers the rear portion of this hyoplastron and the front surface of this pedestal, thereby and contact with the first connecting portion of this grounded metal sheet set up be electrically connected; And
One external shield housing, it is fixed on this insulating body and by this inner shield housing and is coated therein, and the peripheral space that this external shield housing surrounds this hyoplastron forms one first docking chamber.
Compared with prior art, electric connector of the present utility model is by setting up an inner shield housing, and in grounded metal sheet, form one first connecting portion come contact corresponding to this inner shield housing, the impact that the design of this ground structure is not easy to be assembled, and be conducive to find loose contact by visual observation, thereby can promote earthing effect for grounded metal sheet provides grounded circuit reliably, reduce the cross-talk between conducting terminal.On the other hand, inner shield housing and external shield housing and grounded metal sheet are electrical connected, and are conducive to provide better electrical performance, improve the Electro Magnetic Compatibility of this electric connector.
Brief description of the drawings
Fig. 1 is the stereogram of a preferred embodiment of the utility model electric connector combination;
Fig. 2 is the front view of the preferred embodiment of the utility model electric connector combination;
Fig. 3 is a cutaway view of getting along A-A hatching line in Fig. 2, and coordinating of this electric connector and circuit board is described;
Fig. 4 is a three-dimensional exploded view of the preferred embodiment of the utility model electric connector combination, and electric connector, circuit board and the securing member of this electric connector combination is described;
Fig. 5 is the stereogram of electric connector of the present utility model;
Fig. 6 is the rearview of electric connector of the present utility model;
Fig. 7 is along the cutaway view that in Fig. 6, B-B hatching line is got, and the inside of this electric connector is described;
Fig. 8 is along the cutaway view that in Fig. 6, C-C hatching line is got, and the inside of this electric connector is described;
Fig. 9 to Figure 13 is the three-dimensional exploded view of electric connector of the present utility model, and the element of this electric connector is described;
Figure 14 is a stereogram, and the application scenarios of another preferred embodiment of the utility model electric connector is described;
Figure 15 to Figure 18 is respectively a three-dimensional exploded view, and the element of this another preferred embodiment is described.
Wherein, description of reference numerals is as follows:
10 electric connectors
100 engage body
101 insulating body 102 pedestal 103 hyoplastron 104 side wall 105 clasp grooves
106 accepting groove 107 ' reference column 108 location notch 109 front surfaces
1 the first terminal module
11 first insulating parts
111 first base portion 112 first hyoplastron portion 113 first adjutage 114 first accepting grooves
115 first clasp groove 116 first fixing hole 117 second fixing holes
1121 first faying face 1,122 first interfaces
1131 first stage portions
12 the first terminals
121 fixed part 122 docking section 123 afterbodys
1231 stretch section 1232 joining section 1233 introduction segments
2 second terminal modules
21 second insulating parts
211 second base portion 212 second hyoplastron portion 213 second adjutage 214 second accepting grooves
215 second clasp groove 216 first projection 217 second projections
2121 second faying face 2,122 second interfaces
2131 second stage portion 2132 times deep gouges
22 second terminals
221 fixed part 222 docking section 223 afterbodys
2231 stretch section 2232 joining section 2233 introduction segments
3 grounded metal sheet
31 main body 32 first connecting portion 33 second connecting portions
34 elastic contact part 311 through holes
4 external shield housings
41 first 42 second docking 421 plant spaces, chamber, docking chambeies
43 locking arm 431 locking holes
5 inner shield housings
53 metallic plates
536 fixing tabs 537 connect shell fragment
8 circuit boards
81 base portion 82 Plug Division 83 installation portion 84 mounting groove 85 conduit 86 installing holes
821 electric contact pieces
9 securing members
10 " electric connector
101 " insulating body 107 " reference column
3 " grounded metal sheet
31 " body 32 " the first connecting portion 33 " the second connecting portion
35 " ground connection leg 36 " extension
4 " external shield housing
44 " grounding leg
5 " inner shield housing
6 " leg keeper
8 " circuit board
Embodiment
Although the utility model can easily show as multi-form embodiment, but shown in the drawings and in this manual by describe in detail be only some of them specific embodiments, be understandable that it is the exemplary illustrated of the utility model principle that this specification should be considered as simultaneously, and be not intended to the utility model to be restricted at this illustrated.
Thus, a feature pointed in this specification is one of them feature for an embodiment of the present utility model is described, instead of implies that each embodiment of the present utility model must have illustrated feature.In addition, should be noted that this specification described many features.Although some feature can combine to illustrate possible system, these features also can be used for other the combination not clearly stating.Thus, except as otherwise noted, illustrated combination is not intended to restriction.
In the embodiment shown in the figures, the instruction of direction (such as upper and lower, left and right, front and rear) is not absolute but relative for the structure of explaining various elements of the present utility model with motion.When these elements are during in position shown in the drawings, these explanations are suitable.If when the explanation of the position of these elements changes, the instruction of these directions also correspondingly changes.
Below in conjunction with the accompanying drawing of this specification, preferred embodiment of the present utility model is given to elaboration further.
Consulting Fig. 1 to Fig. 4, is the preferred embodiment of the utility model electric connector combination.This connector combination comprises an electric connector 10 and the circuit board 8 with these electric connector 10 fit applications.In the present embodiment, this electric connector 10 adopts heavy board-like being installed on circuit board 8.This electric connector 10 comprises a joint body 100, and is fixedly arranged on the grounded metal sheet 3 that engages in body 100, and is positioned at external shield housing 4 and covers the inner shield housing 5 on joint body 100 surfaces around the external shield housing 4 and that engages body 100.
Wherein, the both sides of this external shield housing 4 respectively laterally extend outward a locking arm 43, and each locking arm 43 is provided with a locking hole 431.This circuit board 8 comprises a base portion 81 and is arranged on a Plug Division 82 of the front side of this base portion 81.This Plug Division 82 has two interfaces opposing upper and lower, is equipped with one group of electric contact pieces 821 on each interface, thus can be corresponding and electric connector 10 on conducting terminal coordinate the electric connection realizing between the two.
This circuit board 8 is also provided with the both sides difference extended two installation portions 83 forward that are positioned at this Plug Division 82.Between each installation portion 83 and Plug Division 82, be formed with and dodge conduit 85, dodge conduit 83 in the time that circuit board 8 docks with electric connector 10 for these two, can be for accommodating the structure of both sides, rear portion of this electric connector 10.Each installation portion 83 is provided with an installing hole 86 corresponding with this locking hole 431.This electric connector 10 locks on this circuit board 8 by the securing member such as bolt 9 being located in corresponding installing hole 86 and locking hole 431.In other words, the leading edge of this circuit board 8 is arranged with backward and is formed with a mounting groove 84, and this Plug Division 82 is arranged on to projection forward the middle part of this mounting groove 84.
The front portion of this electric connector 10 is formed with the one first docking chamber 41 that can insert for another butt connector (not shown).The rear portion of this electric connector 10 is formed with the one second docking chamber 42 that can insert for this Plug Division 82 and is positioned at two location notchs 108 of these the second docking 42 both sides, chamber.In the time that the Plug Division 82 of circuit board 8 is inserted in this second docking chamber 42, the both side edges of this Plug Division 82 can correspondingly be inserted in these two location notchs 108, thereby plays location and prevent the effect of rocking.
Consult Fig. 5 to Figure 13, engage body 100 and comprise a first terminal module 1 and one second terminal module 2 mutually combined.The first terminal module 1 has one first insulating part 11 and multiple the first conducting terminal 12 that lays fixed in the first insulating part 11.The first insulating part 11 has one first base portion 111, by the first base portion 111 front sides extended one first hyoplastron portion 112 and two the first adjutages 113 being extended back respectively by the both sides of this first base portion 111 forward.
The first hyoplastron portion 112 has towards one first faying face 1121 of the second terminal module 2 and in contrast to one first interface 1122 of the first faying face 1121.The first hyoplastron portion 112 is formed with two the first accepting grooves 114 and two the first clasp grooves 115 that are positioned at these two the first accepting groove 114 fronts two sides by rear position.The first hyoplastron portion 112 is provided with two the first fixing holes 116 and two the second fixing holes 117 on the first faying face 1121.
The interior side-lower of each the first adjutage 113 is formed with the one first stage portion 1131 of extending along fore-and-aft direction.This first stage portion 1131 has the end face of approximate horizontal and the lateral surface perpendicular to this end face.
The fixed part 121 of the first conducting terminal 12 is fixed in the first base portion 111, and front end stretches out forward to form a docking section 122 that exposes to the first interface 1122 by the first base portion 111, and rear end by the first base portion 111 stretch out backward to form one in order to resilient engagement in the afterbody 123 of the electric contact pieces 821 of circuit board 8.
In the present embodiment, this docking section 122 is a plate shape adjutage.This afterbody 123 is an elastic extension arm.Particularly, this afterbody 123 comprises a stretch section 1231 that tilts to extend from front to back.This afterbody 123 also forms a joining section 1232 in the end of this stretch section 1231.This afterbody 123 and by this joining section 1232 extended introduction segment 1233 that further recedes.In conjunction with referring to Fig. 3 and Fig. 8, wherein this joining section 1232 can elasticity be connected in the electric contact pieces 821 of uper side surface of this circuit board 8, the elastic force providing by means of this stretch section 1231, wherein this joining section 1232 preferably can be with respect to sliding before and after the micro-ground of this electric contact pieces 821.
The second terminal module 2 is to be combined as a whole opposite to each other with the first terminal module 1.The second terminal module 2 has the second insulating part 21 and multiple second conducting terminal 22 that lays fixed in the second insulating part 21 that is upwards combined in the first insulating part 11.The second insulating part 21 have corresponding to one second base portion 211, the front side by the second base portion 211 of the first base portion 111 extend forward and position corresponding to the second hyoplastron portion 212 of the first hyoplastron portion 112, by the both sides of this first base portion 111 extend back respectively and position corresponding to two the second adjutages 213 of the first adjutage 113.
The second hyoplastron portion 212 has the second faying face 2121 to the first faying face 1121 and second interface 2122 in contrast to the second faying face 2121 upward.The two sides of the second hyoplastron portion 212 be formed with position corresponding to two the second accepting grooves 214 of the first accepting groove 114 and position two the second clasp grooves 215 corresponding to the first clasp groove 115.Wherein on the second faying face 2121, be provided with two towards 1 projection of the first terminal module and position corresponding to the first projection 216 of the first fixing hole 116 and two towards 1 projection of the first terminal module and position the second projection 217 corresponding to the second fixing hole 117.
The inside front of each the second adjutage 213 be formed with along fore-and-aft direction extend and position corresponding to one second stage portion 2131 of the first stage portion 1131.This second stage portion 2131 has the bottom surface of approximate horizontal and the lateral surface perpendicular to this end face.Distinguish to some extent with aforementioned the first stage portion 1131: the front portion of the bottom surface of this second stage portion 2131 is formed with deep gouge 2132 downwards with being arranged with.
The second conducting terminal 22 is identical with the structure of the first conducting terminal 12.This group first conducting terminal 12 and this group second conducting terminal 22 are be oppositely arranged up and down and be 180 degree Rotational Symmetries.The fixed part 221 of the second conducting terminal 22 is fixed on the second base portion 211, and front end stretches out forward to form a docking section 222 that exposes to the second interface 2122 by the second base portion 211, and rear end by the second base portion 211 stretch out backward to form one in order to resilient engagement in the afterbody 223 of the electric contact pieces 821 of circuit board 8.
In the present embodiment, this docking section 222 is a plate shape adjutage.This afterbody 223 is an elastic extension arm.Particularly, this afterbody 223 comprises a stretch section 2231 that tilts to extend from front to back.This afterbody 223 forms a joining section 2232 at the summit place of this stretch section 2231.This afterbody 223 is by this joining section 2232 extended introduction segment 2233 that further recedes.In conjunction with referring to Fig. 3 and Fig. 8, wherein this joining section 2232 can elasticity be connected in the electric contact pieces 821 of downside surface of this circuit board 8, the elastic force providing by means of this stretch section 1231, wherein this joining section 2232 preferably slides before and after the micro-ground of this electric contact pieces 821 relatively.
In conjunction with referring to Fig. 3 and Fig. 8, visible, the stretch section 1231 of this first conducting terminal 12 extends from front to back mutually with the stretch section 2231 of this second conducting terminal 22 with drawing close.This organizes the afterbody 123 of the first conducting terminal 12 and this and organizes between the afterbody 223 of the second conducting terminal 22 and be formed with a plant space 421, inserts wherein so that power circuit board 8 is corresponding.The introduction segment 1233 of this first conducting terminal 12 is mutually remotely to extend with the introduction segment 2233 of this second conducting terminal 22 from front to back.The structure that this introduction segment 1233,2233 opens, is conducive to the insertion of steering circuit plate 8.It is worth mentioning that, this plant space 421 the size of above-below direction be have flexible, that is to say, before not plugging in circuit board 8, afterbody 123,223 is in free extended configuration, and size (namely beeline two joining sections 1232, the 2232 between) minimum of this plant space 421 on above-below direction, after inserting circuit board 8, afterbody 123,223 is in stressed open configuration, and the size of this plant space 421 on above-below direction becomes large.
In the time that the first terminal module 1 and the second terminal module 2 are grouped together, this first insulating part 11 and this second insulating part 21 combine an insulating body 101 of this electric connector 10, this first base portion 111 and this second base portion 211 combine a pedestal 102 of this insulating body 101, this the first hyoplastron portion 112 combines by this pedestal 102 extended hyoplastron 103 forward with this second hyoplastron portion 212, and these two the second adjutages 213 and two the first adjutages 113 combine two side walls 104 that extended back by the both sides of this pedestal 102 respectively.
Meanwhile, this first accepting groove 114 and this second accepting groove 214 combine an accepting groove 106 of this insulating body 101, and this first clasp groove 115 and this second clasp groove 215 combine a clasp groove 105 of this insulating body 101.This first stage portion 1131 and the second stage portion 2131 combine the location notch 108 on the side wall 104 of this insulating body 101, wherein the lateral surface of this first stage portion 1131 aligns with the lateral surface of the second stage portion 2131 and forms the lateral surface of this location notch 108, the end face of this first stage portion 1131 forms the end face of this location notch 108, and the bottom surface of this second stage portion 2131 forms the bottom surface of this location notch 108.Interval between bottom surface and the end face of this location notch 108 is slightly larger than the gauge of this circuit board 8.This location notch 108 is positioned at sustained height (the central horizontal face of this location notch 108 and the central horizontal face in this plant space 421 are concordant) and mutually connects with plant space 421.Referring to Figure 10, the pedestal 102 of this insulating body 101 has a vertical front surface 109 roughly.
Grounded metal sheet 3 is located between the first terminal module 1 and the second terminal module 2.Can make whereby the structural strength of the hyoplastron 103 that the first hyoplastron portion 112 and the second hyoplastron portion 212 be spliced into be promoted, and the high-frequency signal reducing between the first conducting terminal 12 and the second conducting terminal 22 is crosstalked.Two opposed surface of grounded metal sheet 3 are amplexiformed mutually with the first faying face 1121 of this first hyoplastron portion 112 and the second faying face 2121 of the second hyoplastron portion 212 respectively.
Grounded metal sheet 3 comprises a main body 31 and by extended one first connecting portion 32 of this main body 31, one second connecting portion 33 and two elastic contact arms 34.This main body 31 is arranged in this hyoplastron 103 and spaced apart this group first conducting terminal 12 and this group second conducting terminal 22.
This first connecting portion 32 stretches out this hyoplastron 103 and is electrically connected with this inner shield housing 5.Referring to Fig. 7, in the present embodiment, this first connecting portion 32 comprises two tabs that outwards stretched out this hyoplastron 103 by the both sides of this main body 31.
This second connecting portion 33 stretches out this pedestal 102 and is electrically connected with this external shield housing 4.Referring to Fig. 7, in the present embodiment, this second connecting portion 33 comprises by the rear portion bilateral symmetry ground of this main body 31 extended two elastic arms that outwards recede, the end elasticity of these two elastic arms is connected on the inwall of this external shield housing 4 (state of the second connecting portion 33 in freely stretching shown in Fig. 7, so have a small amount of interference with this external shield housing 4).
These two elastic contact arms 34 bend and extend backward from the rear end of this main body 31, stretch into respectively a location notch 108 interior (referring to Fig. 8) of side wall 104 inner sides of this insulating body 101.Particularly, this elastic contact arm 34 is to be housed in the lower deep gouge 2132 of this second adjutage 213, thereby can reduce the setting height(from bottom) of this elastic contact arm 34 in this location notch 108.These two elastic contact arms 34 can elasticity be connected on the downside interface of Plug Division 82 of this circuit board 8, with the electric contact pieces electric connection for ground connection accordingly, thereby this grounded metal sheet 3 can provide the grounding path being connected with circuit board 8 by these two elastic contact arms 34, thereby be conducive to the transmission of high-frequency signal, improve the Electro Magnetic Compatibility (EMC, Electromagnetic Compatibility) of this electric connector 10.
In addition, the left and right sides of the main body 31 of grounded metal sheet 3 exposes to this clasp groove 105, can be electrically connected with the grounding elastic part (not shown) of butt connector side, thereby be conducive to the transmission of high-frequency signal.The main body 31 of grounded metal sheet 3 is provided with two through holes that run through up and down 311.Through hole 311, corresponding to the second fixing hole 117 of the first insulating part 11 and the second projection 217 of the second insulating part 21, can and locate grounded metal sheet 3 through the through hole 311 of grounded metal sheet 3 and the second fixing hole 117 fixed engagement the second projection 217 simultaneously.
External shield housing 4 is fixed on insulating body 101, surrounds the space outerpace of the hyoplastron 103 of insulating body 101 front portions, the one first docking chamber 41 that formation can be pegged graft for butt connector.Two side walls 104 that external shield housing 4 is gone back coated insulation body 101 rear portions form one second docking chamber 42.This second docking chamber 42 surrounds the afterbody 223 of the afterbody of the first conducting terminal 12 123 and the second conducting terminal 22 therein, can play the effect of shielding.Wherein, aforesaid plant space 421 and two location notchs 108 are the middle part that is positioned at this second docking chamber 42 in short transverse.The docking section 222 of the docking section 122 of this group the first conducting terminal 12 and this group the second conducting terminal 22 first is be oppositely arranged up and down and be 180 degree Rotational Symmetries in docking chamber 41 at this, thereby no matter is just inserting or anti-plug, can both achieve a butt joint with butt connector.
The both sides of external shield housing 4 laterally extend outward respectively a locking arm 43 that is provided with a locking hole 431.This lock solid structure coordinates this electric connector 10 to be electrically connected to the floating connecting structure of circuit board 8 in the mode of resilient engagement by afterbody 123,223, in assembling process, can first electric connector 10 be adjusted into after the opening accurate contraposition with the shell of electronic equipment, electric connector 10 is locked on two installation portions 83 of circuit board 8 securely with securing member 9 again, thereby improved electric connector 10 adaptability when mounted.It is worth mentioning that, by making installing hole 86 ground connection on circuit board 8, can also make this external shield housing 4 reliable grounds by this lock solid structure, thereby be conducive to the transmission of high-frequency signal, improve the Electro Magnetic Compatibility of this electric connector 10.
The rear portion of inner shield housing 5 is folded between this external shield housing 4 and the first base portion 111 and the second base portion 211, and be at least covered in the back segment of this first hyoplastron portion 112 and this second hyoplastron portion 212 and this pedestal 102 dock the front surface 109 in chamber 41 towards first.
In the present embodiment, inner shield housing 5 comprises two metallic plates that are stitched together 53.Two metallic plates 53 are separately fixed at the both sides up and down of insulating body 101.
The left and right sides of metallic plate 53 has been bent to form two fixing tabs 536 in the position corresponding with accepting groove 106.This first connecting portion 32 is inserted between two fixing tabs 536 of two metallic plates 53 reaches electric connection, be preferably the mode by laser welding, together with the first connecting portion 32 of grounded metal sheet 3 is fixedly attached to this inner shield housing 5, to strengthen the reliability being electrically connected between the two.This structure can increase grounding path, thereby is conducive to the transmission of high-frequency signal, improves the Electro Magnetic Compatibility of this electric connector 10.
In addition, the rear portion of metallic plate 53 is formed with and can be connected shell fragment 537 with two of external shield housing 4 Elastic Contact, external shield housing 4 is coated on the outside at the rear portion of inner shield housing 5, make inner shield housing 5 to reach ground connection with external shield housing 4 by connecting shell fragment 537, thereby be conducive to the transmission of high-frequency signal, improve the Electro Magnetic Compatibility of this electric connector 10.
The assembling process of electric connector of the present utility model roughly comprises: punching press bending forming conducting terminal 12 and 22, grounded metal sheet 3, external shield housing 4 and metallic plate 53; Then adopt the manufacturing process of inserting moulding, make the first terminal module 1 and the second terminal module 2; Then grounded metal sheet 3 sandwicheds are arrived between the first terminal module 1 and the second terminal module 2, and the first terminal module 1 and the second terminal module 2 are grouped together, thereby obtain engaging body 100; Then, two metallic plate 53 correspondences are attached to the both sides up and down that engage body 100, and by welded together to grounded metal part 3 and metallic plate 53; The last periphery that engages body 100 that from front to back external shield housing 4 is set to again.
Electric connector of the present utility model and electric connector combination are reached electric connection by afterbody 123,223 and the electric contact pieces 821 of the both sides up and down of the Plug Division 82 of circuit board 8, the mode of this resilient engagement can strengthen both laminating degree, prevents because the plane tolerance of conducting terminal 12,22 causes occurring empty weldering; And the mode of this resilient engagement can not welded, thereby the high temperature that can reduce while welding causes adverse effect to the electrical property of electric connector 10, the risk that does not also exist scolding tin to ftracture; In addition, the mode of this resilient engagement can be connected on circuit board 8 by floating ground electric connector 10, can adjust the relative position between electric connector 10 and circuit board 8 micro-ly, the lock solid structure of mating electrical connector 10 again, be conducive to the exactitude position of the opening on electric connector 10 and electronic equipment casing, thereby the flexibility of installation is provided.
Consulting Figure 14 to Figure 18, is another preferred embodiment of the utility model electric connector.This another preferred embodiment and aforementioned preferred embodiment are roughly the same.Difference is that electric connector 10 ＂ are perpendicular type connectors, and it adopts the mode of straight cutting to be installed on circuit board 8 ＂.In the present embodiment, mainly adopt external shield housing 4 ＂ above to fixing feet 44 ＂ of downward-extension, electric connector 10 ＂ to be fixed on this circuit board 8 ＂.This insulating body 101 ＂ are provided with reference column 107 ＂ of downward projection, make this electric connector 10 ＂ these circuit board 8 ＂ location relatively.In addition, electric connector 10 ＂ have also increased by leg keeper 6 ＂, to guarantee that each conducting terminal can keep mutual spacing and be welded in the welding hole on circuit board 8 ＂ in straight cutting mode.
The structure difference to some extent of this grounded metal sheet 3 ＂ and aforementioned grounded metal sheet 3: this grounded metal sheet 3 ＂ comprise main body 31 ＂ and by extended one first connecting portion 32 ＂ of this main body 31 ＂, one second connecting portion 33 ＂, two ground connection leg 35 ＂ and extension 36 ＂.Wherein, these two ground connection leg 35 ＂ extend from the rear end bending downwards of this main body 31 ＂, can be welded in the corresponding welding hole (not shown) on circuit board 8 ＂ with the mode correspondence of straight cutting.Extension 36 ＂ bend and extend downwards backward from the middle part, rear end of this main body 31 ＂, can strengthen this grounded metal sheet 3 ＂ to covering in the conducting terminal of extension 36 ＂ belows, be conducive to the transmission of high-frequency signal, improve the Electro Magnetic Compatibility of this electric connector 10 ＂.
Electric connector of the present utility model, by be provided with the first connecting portion 32,32 ＂ that are electrically connected with inner shield housing 5,5 ＂ and the second connecting portion 33,33 ＂ that are electrically connected with external shield housing 4,4 ＂ in the both sides of grounded metal sheet 3,3 ＂, and be provided with grounding parts (being ground connection leg 35 ＂ on elastic contact arm 34 or grounded metal sheet 3 ＂ in grounded metal sheet 3) in the rear end of grounded metal sheet 3,3 ＂, can provide multiple grounding path to obtain good earthing effect, reduce the cross-talk between conducting terminal; On the other hand, inner shield housing 5,5 ＂ and external shield housing 4,4 ＂ and grounded metal sheet 3,3 ＂ are electrical connected, and better electrical performance is provided, thereby is conducive to the transmission of high-frequency signal, improve the Electro Magnetic Compatibility of this electric connector 10,10 ＂.
Foregoing is only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skill in the art are according to main design of the present utility model and spirit; protection range of the present utility model can carry out very easily corresponding flexible or amendment, therefore should be as the criterion with the desired protection range of claims.
Claims (11)
1. an electric connector, comprising:
One insulating body, it comprises a pedestal and by this pedestal extended hyoplastron forward, this hyoplastron has one first interface opposing upper and lower and one second interface;
One group of first conducting terminal, this first conducting terminal comprises the fixed part that is fixed on this pedestal, is extended to forward a docking part of this hyoplastron and stretched out backward an afterbody of this pedestal by this fixed part by this fixed part, and wherein this docking section exposes to the first interface of this hyoplastron;
One group of second conducting terminal, this second conducting terminal comprises the fixed part that is fixed on this pedestal, is extended to forward a docking part of this hyoplastron and stretched out backward an afterbody of this pedestal by this fixed part by this fixed part, and wherein this docking section exposes to the second interface of this hyoplastron;
It is characterized in that, this electric connector also comprises:
One grounded metal sheet, it comprises a main body and by outwardly directed one first connecting portion of this main body, this main body is arranged in this hyoplastron and spaced apart this group first conducting terminal and this group the second conducting terminal, and this first connecting portion exposes to this insulating body;
One inner shield housing, it covers the rear portion of this hyoplastron and the front surface of this pedestal, and contacts with the first connecting portion of this grounded metal sheet; And
One external shield housing, it is fixed on this insulating body and by this inner shield housing and is coated therein, and the peripheral space that this external shield housing surrounds this hyoplastron forms one first docking chamber.
2. according to electric connector claimed in claim 1, it is characterized in that, this grounded metal sheet also comprises that this second connecting portion contacts with this external shield housing by extended one second connecting portion of this main body.
3. according to electric connector claimed in claim 2, it is characterized in that, this second connecting portion comprises that the end elasticity of this elastic arm is connected on the inwall of this external shield housing by the extended elastic arm of at least one side direction outer incline of this main body.
4. according to electric connector claimed in claim 3, it is characterized in that, this second connecting portion comprises two elastic arms altogether, and this two elastic arm is that the bilateral symmetry ground from this main body is protruding respectively, and the end of this two elastic arm exposes to respectively the both sides of this insulating body.
5. according to the electric connector described in claim 1 to 4 any one, it is characterized in that, the first connecting portion of this grounded metal sheet comprises the tab being stretched out by least one side direction of this main body outward, and this tab is outwards given prominence to and contacts with this inner shield housing from the side of this hyoplastron.
6. according to electric connector claimed in claim 5, it is characterized in that, this inner shield housing comprises two metallic plates that are installed in respectively these upper and lower both sides of insulating body, and a fixing tab is extended in the each bending in both sides of this metallic plate; The both sides of this hyoplastron are respectively provided with an accepting groove, and the fixing tab of this metallic plate is plugged in this accepting groove, and the first connecting portion of this grounded metal sheet is folded between the fixing tab of two metallic plates and combines by laser welding.
7. according to the electric connector described in claim 1 to 4 any one, it is characterized in that, this grounded metal sheet also comprises the extended grounding parts of rear side by this main body, and this grounding parts is an elastic contact arm or a ground connection leg.
8. according to the electric connector described in claim 1 to 4 any one, it is characterized in that, this insulating body is combined by one first insulating part and one second insulating part; Wherein this group first conducting terminal correspondence is fixedly arranged on the first insulating part, and this group second conducting terminal correspondence is fixedly arranged on the second insulating part, and this grounded metal sheet is located between this first insulating part and the second insulating part.
9. according to the electric connector described in claim 1 to 4 any one, it is characterized in that, the afterbody of the afterbody of this group the first conducting terminal and this group the second conducting terminal is two groups of elastic extension arms that mutually tilt to extend from front to back with drawing close, and between two groups of elastic extension arms, forms a plant space.
10. according to electric connector claimed in claim 9, it is characterized in that, the pedestal both sides of this insulating body respectively extend back a side wall, and the inner side of this both walls is respectively formed with the location notch extending along fore-and-aft direction, and this two location notch and this plant space are positioned at sustained height and are interconnected.
11. according to the electric connector described in claim 1 to 4 any one, it is characterized in that, the rear portion sandwiched of this inner shield housing is fixed between this external shield housing and the pedestal of this insulating body, and the rear portion of this inner shield housing is formed with at least one shell fragment that is connected with this external shielding case body elasticity contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447998.5U CN203983638U (en) | 2014-08-08 | 2014-08-08 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447998.5U CN203983638U (en) | 2014-08-08 | 2014-08-08 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983638U true CN203983638U (en) | 2014-12-03 |
Family
ID=51981056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447998.5U Expired - Lifetime CN203983638U (en) | 2014-08-08 | 2014-08-08 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983638U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870691A (en) * | 2016-05-24 | 2016-08-17 | 东莞市泰康电子科技有限公司 | USB connector with stable structure |
| CN105990761A (en) * | 2015-02-12 | 2016-10-05 | 宏致电子股份有限公司 | Grounding structure of USB connector |
| CN106848721A (en) * | 2017-01-18 | 2017-06-13 | 启东乾朔电子有限公司 | Electric connector |
| CN107086406A (en) * | 2017-03-09 | 2017-08-22 | 启东乾朔电子有限公司 | Electric connector |
| CN107293893A (en) * | 2016-04-12 | 2017-10-24 | 连展科技（深圳）有限公司 | Electric connector for socket |
| CN108493654A (en) * | 2017-12-06 | 2018-09-04 | 番禺得意精密电子工业有限公司 | Electric connector |
-
2014
- 2014-08-08 CN CN201420447998.5U patent/CN203983638U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990761A (en) * | 2015-02-12 | 2016-10-05 | 宏致电子股份有限公司 | Grounding structure of USB connector |
| CN105990761B (en) * | 2015-02-12 | 2018-10-09 | 宏致电子股份有限公司 | The ground structure of USB connector |
| CN107293893A (en) * | 2016-04-12 | 2017-10-24 | 连展科技（深圳）有限公司 | Electric connector for socket |
| CN105870691A (en) * | 2016-05-24 | 2016-08-17 | 东莞市泰康电子科技有限公司 | USB connector with stable structure |
| CN106848721A (en) * | 2017-01-18 | 2017-06-13 | 启东乾朔电子有限公司 | Electric connector |
| CN107086406A (en) * | 2017-03-09 | 2017-08-22 | 启东乾朔电子有限公司 | Electric connector |
| CN108493654A (en) * | 2017-12-06 | 2018-09-04 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN108493654B (en) * | 2017-12-06 | 2019-10-01 | 番禺得意精密电子工业有限公司 | Electric connector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
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| CX01 | Expiry of patent term |