CN107978886A

CN107978886A - Electric connector

Info

Publication number: CN107978886A
Application number: CN201710986706.3A
Authority: CN
Inventors: 隆权
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2018-05-01

Abstract

A kind of electric connector, element grafting backwards is connect with for a pair, it is characterised in that including：One insulating body；Multiple upper ground terminals and multiple lower ground terminals are relatively arranged on the insulating body up and down；One shielding piece, between the upper ground terminal and the lower ground terminal, the shielding piece has the bridge part extended in left-right direction, and it is connected to two elastic arms at the both ends of the bridge part, there is each elastic arm one first contact site upwardly extended to contact a upper ground terminal, and one second contact site extended downwardly contacts a lower ground terminal；Wherein, the bridge part is only supported by the elastic arm, during so that the upper ground terminal extruding first contact site of wherein one elastic arm, pressure is conducted to another elastic arm along the bridge part, it is more uniformly stressed every elastic arm, so that every elastic arm forms contact effect that is consistent and stablizing with the corresponding upper ground terminal and the lower ground terminal.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, espespecially a kind of electric connector for being used to improve shielding piece shield effectiveness.

Background technology

As the frequency of electric connector transmission signal is higher and higher, the mark of higher there has also been to the shielding construction of electric connector Standard is, it is necessary to which shielding construction has more excellent, more stable earthing effect, to meet the requirement of electric connector high-frequency transmission performance. A kind of existing electric connector with shielding construction, including an insulating body, the insulating body front end are equipped with a docking chamber It is inserted into so that a pair connects element, the insulating body is equipped with upper and lower two rows of terminals, and the front end of upper and lower two rows terminal appears In the docking chamber to be connected to each other with a butt connector, upper row's terminal has multiple upper ground terminals, and lower row's terminal has Multiple lower ground terminals, one, which shields piece, is arranged between upper and lower two rows of terminals, and the shielding piece has a substrate holder in described exhausted Edge body, is torn by substrate and forms multiple upper elastic arms and multiple lower elastic arms, respectively with upper ground terminal and lower ground terminal contact, To shield the signal interference between upper and lower two rows of terminals, upper and lower ground terminal is respectively welded in the grounding path on circuit board Contact, so as to form shielding construction.

It is molded since upper elastic arm and lower elastic arm are torn by substrate respectively, the two is separately positioned, and substrate holder is in insulation sheet Body, causes elastic arm pressure to conduct to lower elastic arm, the two arm of force is short, poor flexibility, with upper and lower ground terminal contact power Weak, contact effect is unstable, not only waste of materials but also easy Accumulating charge, influences to shield shield effectiveness of the piece to disturbing signal, leads Send a telegraph connector and be unable to reach excellent high frequency signal transmission performance.

The present invention employs new technology means to solve the problems, such as these in view of the above problems, a kind of new electric connector of offer.

The content of the invention

For background technology problem encountered, present invention creation purpose is to provide a kind of elastic arm for improving shielding piece Elasticity, to strengthen the contact force of elastic arm and upper and lower ground terminal, so as to reach quiet earth effect, and saves manufacture shielding piece The electric connector of material therefor.

To achieve the above object, the present invention uses following technological means：

The present invention provides a kind of electric connector, to be docked forward with an abutment element, it is characterised in that including：One insulation is originally Body；Multiple upper ground terminals and multiple lower ground terminals are relatively arranged on the insulating body up and down；One shielding piece, arranged on described Between upper ground terminal and the lower ground terminal, the shielding piece has the bridge part extended in left-right direction, Yi Jifen Two elastic arms at the both ends of the bridge part are not connected to, and each elastic arm has the one first contact site contact one upwardly extended The upper ground terminal, and one second contact site extended downwardly contact a lower ground terminal；Wherein, the bridge part is only Supported by the elastic arm so that when the upper ground terminal extrudes first contact site of wherein one elastic arm, pressure edge The bridge part is conducted to another elastic arm.

Further, each elastic arm is symmetrical above and below on the bridge part.

Further, the upper ground terminal abuts downwards and suppresses first contact site, it is described shielding piece be pressurized and it is high Degree reduces.

Further, one first arc portion that the elastic arm includes a vertical portion, upwardly extended by the vertical portion, described first Arc portion is connected to first contact site, and one second arc portion extended downwardly by the vertical portion, the second arc portion connection In second contact site.

Further, the insulating body has a limiting slot, and the quantity of the elastic arm is arranged side by side for multiple and left and right, by The vertical portion of the outermost elastic arm extends a connecting portion backwards, extends a limiting section, the limit by the connecting portion Position portion is contained in the limiting slot, and the limiting section has an at least convex portion, to interference with the side wall of the limiting slot.

Further, first contact site extends backwards, and the insulating body has a limiting slot, by the elastic arm backward Extend a connecting portion, extending a limiting section by the connecting portion is contained in the limiting slot, and interferences with the limiting slot, institute State the rear that limiting section is located at first contact site.

Further, the insulating body is equipped with multiple slots rearwardly through the insulating body, for the shielding piece from rear The insulating body is assembled in forward, and multiple elastic arms, which correspond to, is contained in the slot.

Further, first contact site and second contact site extend backwards.

Further, the insulating body is equipped with multiple slots, and multiple elastic arms, which correspond to, is contained in the slot, described to insert The height of groove is less than the height of the bridge part.

Further, the width of the bridge part along the vertical direction is between 0.6 times to 4 times of the elastic arm width.

Further, the upper ground terminal is arranged on one and arranges terminal, upper row's terminal have left and right side by side one first Block and one second block, upper row's terminal include multiple signal terminals pair, and the adjacent signal terminal is to as described in one Upper ground terminal is spaced apart, and multiple signal terminals pair and multiple upper ground terminals are arranged on the first block, it is described on Row's terminal includes an at least power supply terminal, and the power supply terminal is arranged on second block, and the shielding piece is arranged on described first The underface of block.

Further, the insulating body has a limiting slot, and the shielding piece has a limiting section by outermost described Elastic arm extends towards outside, and the limiting section extends first block, and is contained in the limiting slot.

Further, the front end of the insulating body has a docking groove to house the abutment element, the docking groove With opposite a first side wall and a second sidewall, the first side wall is relative to the second sidewall closer to described first Block, has one first gap, the second sidewall and second block between the first side wall and first block Between there is one second gap, first gap is less than second gap.

Compared with prior art, the invention has the advantages that：

The bridge part is only supported by the two adjacent elastic arms, and adjacent elastic arm pressure can mutually be passed along the bridge part Lead, be more uniformly stressed every elastic arm, thus every elastic arm and the corresponding upper ground terminal and it is described under Ground terminal forms contact effect that is consistent and stablizing, shield effectiveness is more stablized.

【Brief description of the drawings】

Fig. 1 is the perspective exploded view of electric connector of the present invention；

Fig. 2 is the sectional perspective decomposition diagram of electric connector of the present invention；

Fig. 3 is another sectional perspective decomposition diagram of electric connector of the present invention；

Fig. 4 is the three-dimensional combination figure of Fig. 3；

The stereogram of the shielding piece of Fig. 5 electric connectors of the present invention；

Fig. 6 is the schematic diagram that the shielding piece of electric connector of the present invention coordinates with lower row's terminal；

Fig. 7 is the side view cutaway drawing that electric connector of the present invention is docked with abutment element；

Fig. 8 is the vertical view cutaway drawing that electric connector of the present invention is docked with abutment element.

The drawing reference numeral explanation of embodiment：

Electric connector 100	Insulating body 1	Housing 11	Docking groove 111	The first side wall 1111
					Second sidewall 1112	First clearance D 1	Second clearance D 2	The first noumenon 12	Second body 13
Slot 131	Limiting slot 132	Upper row's terminal 2	First block 21	Signal terminal is to 22
					Upper ground terminal 23	Second block 25	Power supply terminal 26	Lower row's terminal 3	Lower ground terminal 33
Connect zero terminal 34	Shield piece 6	Elastic arm 61	First contact site 611	First arc portion 612
					Second contact site 613	Second arc portion 614	Vertical portion 615	Bridge part 616	Connecting portion 617
Limiting section 618	Convex portion 619	Circuit board 9	Insertion end 91	First side 911
					Second side 912	Gasket 92	First gasket 921	Second gasket 922	First spacing d1
Second spacing d2

【Embodiment】

For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with the drawings and specific embodiments The invention will be further described.

As shown in Figure 1 and Figure 7, electric connector 100 of the present invention, to be docked forward with an abutment element, its main element Including：One insulating body 1, terminal 2 is arranged on one and once arranges that terminal is opposite about 3 to be contained in the insulating body 1, one shields piece 6, between upper row's terminal 2 and lower row's terminal 3.

As shown in Figure 1, Figure 2 with shown in Fig. 8, the insulating body 1 has a housing 11 and is contained in the one of the housing 11 12 and 1 second body 13 of the first noumenon, the front end of the housing 11 have a docking groove 111 to house the abutment element, The first side wall 1111 and a second sidewall 1112 that the docking groove 111 is oppositely arranged with left and right, the first noumenon 12 With two limiting slots 132, second body 13 has the multiple slots 131 for running through second body 13 backwards.

Upper 2 injection molding of row's terminal（insert-molding）In the first noumenon 12, lower 3 note of row's terminal It is moulded into type（insert-molding）In second body 13.

As shown in Figure 2 and Figure 8, one first block 21 and one second area that upper row's terminal 2 is arranged side by side with left and right Block 25, first block 21 is relative to second block 25 closer to the first side wall 1111, second block 25 Close to the second sidewall 1112, there is one first clearance D 1 between first block 21 and the first side wall 1111, it is described There is one second clearance D 2, first clearance D 1 is less than second gap between second block 25 and the second sidewall 1112 D2。

First block 21 includes multiple signal terminals to 22 and multiple upper ground terminals 23, multiple upper ground terminals The adjacent signal terminal is spaced apart by son 23 to 22；Second block 25 includes multiple power supply terminals 26 to transmit electricity Energy；Upper row's terminal 2 and lower row's terminal are oppositely arranged about 3.

As shown in Figure 2 and Figure 8, lower row's terminal 3 includes multiple signal terminals to 22 and multiple lower ground terminals 33, with Multiple signal terminals in upper row's terminal 2 are corresponding to 22 and multiple upper ground terminals 23, it is multiple it is described under The adjacent signal terminal is spaced apart by ground terminal 33 to 22, lower row's terminal 3 further include it is multiple connect zero terminal 34, with Multiple power supply terminals 26 in upper row's terminal 2 are correspondingly formed circuit, with to electric device（It is not shown, similarly hereinafter）Carry out Power supply.

As shown in Fig. 2, Fig. 5 and Fig. 8, the shielding piece 6 is arranged between upper row's terminal 2 and lower row's terminal 3, and The multiple elastic arms 61 being arranged side by side with left and right, are for electrically connecting to the upper ground terminal 23 and the lower ground terminal 33, Multiple elastic arms 61 are located at the underface of first block 21, and are not provided with the elastic arm immediately below second block 25 61, in this way, both ensure that the shielding piece 6 to the signal terminal arranged on first block 21 to 22, Yi Jisuo The shielding of disturbing signal of the signal terminal in lower row's terminal 3 to 22 is stated, and causes the shielding piece 6 in left-right direction not As for too long, saving material.

As shown in Fig. 4, Fig. 5 and Fig. 7, each elastic arm 61 has a vertical portion 615, upward by the vertical portion 615 Extend one first arc portion 612, extended back one first contact site 611 by first arc portion 612, from the vertical portion 615 to One second arc portion 614 of lower extension, is extended back one second contact site 613 by second arc portion 614, first arc portion 612 All it is in arc-shaped with second arc portion 614, and setting symmetrical above and below, first contact site 611 and second contact site 613 extend backwards, and first contact site 611 is connected to a upper ground terminal 23, second contact site upwards 613 are connected to the lower ground terminal 33 opposite with the upper ground terminal 23 downwards.

As shown in Fig. 4, Fig. 5 and Fig. 7, the shielding piece 6 further includes a bridge part 616, arranged on the two adjacent elastic arms 61 Between, and two vertical portions 615 of the two adjacent elastic arms 61 are connected, to strengthen the intensity of the shielding piece 6, prevent institute 61 or so large-amplitude sloshing of elastic arm is stated, the bridge part 616 is only supported by the two adjacent elastic arms 61, and each elastic arm 61 is equal Symmetrical above and below on the bridge part 616, the bridge part 616 is formed with the elastic arm 61 by the punching of same plate, the bridge Socket part 616 is in same plane with the vertical portion 615, and the width of the bridge part 616 from top to bottom connects between described first It is preferably 1 times to 2.5 times between 0.6 times to 4 times of the width of socket part 617, further, is preferably 1.5 times, so sets The bridge part 616 there is suitable width, can meet to strengthen the requirement and manufacture of shielding 6 intensity of piece The material of plate used in the shielding piece 6.

As shown in Fig. 4, Fig. 5 and Fig. 7, the height of the minimum point of the bridge part 616 is higher than the peak of the slot 131 Height so that when first contact site 611 is suppressed by the upper ground terminal 23,61 high shrinkage of elastic arm, and then During shielding 6 height reduction of piece, the bridge part 616 will not produce interference, the elastic arm with the side wall of the slot 131 61 can free springing, the bridge part 616 only supports by the two adjacent elastic arms 61, and adjacent 61 pressure of elastic arm can edge The bridge part 616 mutually conducts, and is more uniformly stressed every elastic arm 61, thus every elastic arm 61 with it is corresponding The upper ground terminal 23 forms contact effect that is consistent and stablizing with the lower ground terminal 33.

As shown in figure 5 and figure 7, positioned at outermost two elastic arms 61 of the shielding piece 6, two is described vertical A connecting portion 617 is extended in portion 615 backwards respectively, and extending a limiting section 618 upward by each connecting portion 617 is contained in institute The limiting slot 132 of the first noumenon 12 is stated, the limiting section 618 sets the rear of position first contact site 611, so as to avoid First contact site 611 is interfered with the first noumenon 12, and the side of the limiting section 618 has multiple convex portions 619, to Interference with the one side wall of the limiting slot 132, two limiting sections 618 extend firstth area towards the left and right sides respectively Block 21, so as to play good positioning supporting role to the whole shielding piece 6, avoids its left and right large-amplitude sloshing, thus with institute State ground terminal 23 and the lower ground terminal 33 forms the earthing effect of stabilization.

As shown in Fig. 1, Fig. 7 and Fig. 8, the abutment element is a circuit board 9, its front end, which has, protrudes out the insertion to be formed End 91, the insertion end 91 have the opposite first side 911 and a second side 912 in left and right, and multiple pads 92 or so are simultaneously Row is arranged on the upper surface of the insertion end 91, and to be in contact with upper row's terminal 2, at least one gasket 92 is to electrical The upper ground terminal 23 is connected, the multiple gasket 92 has one first gasket 921 closest to the first side 911, and One second gasket 922 has one closest to the second side 912 between first gasket 921 and the first side 911 First spacing d1, has one second spacing d2, first spacing between second gasket 922 and the second side 912 D1 is less than the second spacing d2, is arranged such so that the circuit board 9 is symmetrical above and below but left-right asymmetry, when by mistake that its is anti- When being inserted into the electric connector 100, the circuit board 9 is avoided to be turned on the mistake of electric connector 100, to the circuit board 9 Cause harmful effect；Meanwhile for the same type electric connector 100 of the longer other specifications of left and right directions length（It is not shown, under Together）, it is on the basis of the electric connector 100, and face extends on the basis of first side 911, this is the same as type electric connector 100 Second clearance D 2 is identical with second clearance D 2 of the electric connector 100, then the circuit board 9 can be met with being somebody's turn to do With the matching of type electric connector 100；And for this with the similar of the longer other specifications of 100 corresponding length of type electric connector Circuit board 9（It is not shown, similarly hereinafter）, its second spacing d2 can be allowed to be less than the second spacing d2 of the circuit board 9, to keep away Exempt from because this with type electric connector 100 and the homogeneous circuit plate 9 length increase, in turn result in error excessive, and cause mutual nothing Method matches, and the homogeneous circuit plate 9 being arranged such can also be matched with the electric connector 100.

The insertion end 91 is inserted into the docking groove 111, and the first side wall 1111 and the second sidewall 1112 are distinguished It is spacing to the first side 911 and the second side 912, positioned at the upper surface of the insertion end 91 multiple pads 92 with Upper row's terminal 2 electrically conducts, other multiple pads 92 and lower row's terminal 3 positioned at the lower surface of the insertion end 91 Electrically conduct.

In the present embodiment, first by upper 2 injection molding of row's terminal（insert-molding）In the first noumenon 12, then by lower 3 injection molding of row's terminal（insert-molding）In second body 13；Afterwards again described Two bodies 13 are assembled in the housing 11 from back to front together with lower row's terminal 3；Then the shielding piece 6 is assembled into The housing 11, since first contact site 611 and second contact site 613 extend backwards, easy to the shielding piece 6 The slot 131 is installed in back to front, and two sides of the slot 131 are spacing to the elastic arm 61, second contact Portion 613 scrapes and is connected to the lower ground terminal 33；Finally by the first noumenon 12 together with upper row's terminal 2 from rear The housing 11 is assembled in forward, and the upper ground terminal 23 scrapes and oppresses first contact site 611 downwards, makes the screen 6 height reduction of piece is covered, increases the contact force of the elastic arm 61 and the upper ground terminal 23 and the lower ground terminal 33, is reduced Contact impedance.

It is noted that before the shielding piece 6 is assembled in the housing 11, described first also can be first assembled in Body 12, it is right since the limiting section 618 of the shielding piece 6 is engaged with the limiting slot 132 of the first noumenon 12 The shielding piece 6 plays certain positioning action, after the shielding piece 6 is completed with the first noumenon 12, then will The two is assembled in the housing 11 back to front together.

In conclusion electric connector of the present invention has following beneficial effect：

1st, the bridge part 616 is only supported by the two adjacent elastic arms 61, and adjacent 61 pressure of elastic arm can be along the bridge joint Portion 616 is mutually conducted, and is more uniformly stressed every elastic arm 61, thus every elastic arm 61 with it is corresponding it is described on connect Ground terminal 23 forms contact effect that is consistent and stablizing with the lower ground terminal 33, shield effectiveness is more stablized.

2nd, the upper ground terminal 23 applies pressure to first contact site 611,61 elastic deformation of elastic arm, and height drops It is low so that the whole height of the shielding piece 6 reduces, and has both increased the upper ground terminal 23 and first contact site 611 Contact force, and increase the contact force of the lower ground terminal 33 and second contact site 613 so that described first connects Contact portion 611 and second contact site 613, contact more steady with the upper ground terminal 23 and the lower ground terminal 33 respectively Gu reduction contact impedance, while the reduction of shielding 6 whole height of piece, advantageously reduce the entirety of the electric connector 100 Highly.

3rd, the bridge part 616 connects two vertical portions 615 of the adjacent elastic arm 61, has both enhanced the shielding The intensity of piece 6, and improve the shield effectiveness of the shielding piece 6；The bridge part 616 is arranged between the two adjacent elastic arms 61, And formed with the first connecting portion 617 by the punching of same plate, and at the bridge part 616 and the first connecting portion 617 In same plane, antenna will not be formed and produce antenna effect；The height of the bridge part 616 along the vertical direction is between described Between 0.6 times to 4 times of the width of one connecting portion 617, while the intensity of the bridge part 616 is ensured, and reduce as far as possible Its size, not only saves material, but also causes the first connecting portion 617 to be unlikely to be pind down by the bridge part 616 is excessive, and shadow The elasticity of the first connecting portion 617 is rung, and then influences the elasticity of the elastic arm 61.

Detailed description above is only the explanation of the preferred embodiments of the invention, non-therefore the limitation present invention the scope of the claims, So all, with this creation specification and diagramatic content institute, equivalence techniques changes for it, is both contained in the scope of the claims of this creation It is interior.

Claims

A kind of 1. electric connector, to be docked forward with an abutment element, it is characterised in that including：

One insulating body；

Multiple upper ground terminals and multiple lower ground terminals are relatively arranged on the insulating body up and down；

One shielding piece, between the upper ground terminal and the lower ground terminal, the shielding piece has in left-right direction One bridge part of extension, and two elastic arms at the both ends of the bridge part are connected to, each elastic arm has to be prolonged upwards One first contact site stretched contacts a upper ground terminal, and one second contact site extended downwardly contacts the lower ground connection Terminal；

Wherein, the bridge part is only supported by the elastic arm so that the upper ground terminal extrudes the institute of wherein one elastic arm When stating the first contact site, pressure is conducted to another elastic arm along the bridge part.
2. electric connector as claimed in claim 1, it is characterised in that：Each elastic arm is on right above and below the bridge part Claim.
3. electric connector as claimed in claim 1, it is characterised in that：The upper ground terminal abuts downwards and suppresses described One contact site, the shielding piece are pressurized and height reduction.
4. electric connector as claimed in claim 1, it is characterised in that：The elastic arm includes a vertical portion, by the vertical portion One first arc portion upwardly extended, first arc portion is connected to first contact site, and is extended downwardly by the vertical portion One second arc portion, second arc portion is connected to second contact site.
5. electric connector as claimed in claim 4, it is characterised in that：The insulating body has a limiting slot, the elastic arm Quantity be arranged side by side for multiple and left and right, a connecting portion is extended by the vertical portion of the outermost elastic arm backwards, by The connecting portion extends a limiting section, and the limiting section is contained in the limiting slot, and the limiting section has an at least convex portion, uses Interferenceed with the side wall with the limiting slot.
6. electric connector as claimed in claim 1, it is characterised in that：First contact site extends backwards, and the insulation is originally Body has a limiting slot, is extended back a connecting portion by the elastic arm, by the connecting portion extend a limiting section be contained in it is described Limiting slot, and interference with the limiting slot, the limiting section is located at the rear of first contact site.
7. electric connector as claimed in claim 1, it is characterised in that：The insulating body is equipped with multiple slots rearwardly through institute Insulating body is stated, is assembled in the insulating body from back to front for the shielding piece, multiple elastic arms correspondences are contained in described Slot.
8. electric connector as claimed in claim 7, it is characterised in that：First contact site and the equal court of the second contact site After extend.
9. electric connector as claimed in claim 1, it is characterised in that：The insulating body is equipped with multiple slots, multiple described Elastic arm, which corresponds to, is contained in the slot, and the height of the slot is less than the height of the bridge part.
10. electric connector as claimed in claim 1, it is characterised in that：The width of the bridge part along the vertical direction is between institute Between state elastic arm width 0.6 times to 4 times.
11. electric connector as claimed in claim 1, it is characterised in that：The upper ground terminal is arranged on one and arranges terminal, described Upper row's terminal has one first block and one second block of left and right side by side, and upper row's terminal includes multiple signal terminals pair, The adjacent signal terminal to being spaced apart by a upper ground terminal, multiple signal terminals pair and it is multiple it is described on connect Ground terminal is all provided with the first block, and upper row's terminal includes an at least power supply terminal, and the power supply terminal is arranged on described second Block, the shielding piece are arranged on the underface of first block.
12. electric connector as claimed in claim 11, it is characterised in that：The insulating body has a limiting slot, the screen Piece is covered with a limiting section by the outermost elastic arm towards outside to be extended, the limiting section extends first block, and It is contained in the limiting slot.
13. electric connector as claimed in claim 11, it is characterised in that：Used with a docking groove front end of the insulating body To house the abutment element, the docking groove has opposite a first side wall and a second sidewall, the first side wall phase For the second sidewall closer to first block, have between the first side wall and first block between one first Gap, has one second gap between the second sidewall and second block, first gap is less than second gap.