TWM418419U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a front shell and a back shell fixed to the housing and a set of contacts received in the housing. The back shell includes a base covering the insulative housing. The insulative housing has two guide slots extending forwardly from a back face of the insulative housing for receiving the retaining member of the back shell. When the back shell and the front shell are locked together, the back shell could be retained in the housing via the retaining member matching with the two guide slots.

Description

M418419 V. New Description: [New Technology Field] [0001] This paper relates to an electrical connector, and more particularly to an electrical connector mounted on a circuit board. [Previous Art] [0002] An electrical connector disclosed in the above-mentioned Japanese Patent Publication No. M367441, which includes an insulative housing, a plurality of conductive terminals disposed on the insulative housing, and an insulative body The front end shields the housing before the cover and the rear end of the insulating body. The front side of the front shielding shell is provided with a buckle protrusion, and the front side of the rear shielding shell is provided with a snap hole that is engaged with the buckle protrusion. In this design, the rear shielding shell is only on both sides. The position is fixed with the front shielding shell buckle, and no other holding structure is disposed between the rear shielding shell and the insulating body. Therefore, the mounting stability of the rear shielding shell is relatively poor. [0003] Therefore, it is necessary to modify the conventional electrical connector to overcome the above drawbacks. [New Content] [0004] The main purpose of this creation is to provide an electrical connector with a rear shielded housing that is stable. [0005] For the purpose of the present invention, the present invention adopts the following technical solution: an electrical connector comprising an insulative housing, a plurality of conductive terminals disposed on the insulative housing, and a shielding housing after shielding the rear side of the insulative housing, the insulative housing Provided on the rear rear surface, the rear shielding housing includes a main body on the rear surface of the front cover. The foregoing insulating body is recessed forward from the rear surface. Form No. A0101 Page 3 of 27 M418419 Guided rear shield shell The body-mounted guiding groove is provided with a positioning piece extending forward from the main body and being held in the guiding groove. Compared with the prior art, the present invention has the following beneficial effects: the rear cover housing is further fixed by the cooperation of the positioning piece and the guiding groove. [Embodiment] [0007] Referring to the first to sixth figures, the present electrical connector 100 is mounted on a circuit board (not shown) and is available for two docking connectors (not shown). Insert the connection. The aforementioned electrical connector 100 includes a first connector 101 (DISPLAYPORT connector) and a second connector 102 (HDMI connector) stacked on top of each other. The electrical connector 100 includes an insulative housing 1 , a plurality of conductive terminals 2 housed in the insulative housing 1 , a positioning block 3 mounted behind the insulative housing 1 , a shielding housing 4 and a shielding body 1 before being shielded from the front end of the insulative housing 1 . The housing 5 is shielded after the rear end. Referring to FIG. 6 to FIG. 7 , the insulative housing 1 includes an upper insertion interface 11 at an upper end, a first tongue 12 extending forwardly into the upper insertion interface 11 , and being located below the upper insertion interface 11 . The lower mounting port 13 is. The aforementioned second connector 102 is of a separate structure and is mounted in the lower mounting opening 13. The foregoing insulating body 1 includes an upper surface 14, a lower surface 15, a front surface 16, a rear surface 17, and side walls 18 on both sides. A first hooking portion 161 for fastening to the rear shielding case 5 is provided above the front surface 16. The side wall 18 is provided with a second hooking portion 181 for engaging with the front shielding shell 4 and a groove 182 extending in the front-rear direction for engaging with the front shielding shell 4. The aforementioned strip groove 182 extends forward to the front surface 16. The insulative housing 1 is recessed from the rear surface 17 to a first locking slot 171 and two second latching slots 172 and two guiding slots 173 for engaging with the rear shielding housing 5; . Form No. A0101 Page 4 of 27 M418419 Month's two second snap grooves 172 are respectively located on both sides of the first snap groove 171. The two guiding grooves 173 are respectively located outside the first locking groove 71 and the second locking groove 172. The insulating body 1 is provided with an inclined wall H4 inside the guiding groove 173. The inclined wall 174 is used to guide the rear shielding case 5 to be mounted. Referring to FIGS. 6 to 9 in June, the aforementioned conductive terminal 2 includes a first conductive terminal 21 of the first connector 101 and a second conductive terminal 22 of the second connector 1〇2. The first conductive terminal 21 includes a first predetermined portion 211 , a first contact portion 212 extending forward from the first fixed portion 211 , a first extending portion 21 3 extending vertically downward from the first # fixed portion 2U, and The first extending portion 213 further extends downwardly from the first soldering portion 214 of the insulating body ^. The first extending portion 213 is arranged in two rows in the front and the rear as viewed from the side. Viewed from the rear, the adjacent two first extensions 213 located at the leftmost side in the rear row are wider than the other first extensions 213. The second conductive terminal 22 includes a second fixing portion 221 , a second contact portion 222 extending forward from the second fixing portion 221 , a second extending portion 223 extending perpendicularly downward from the second fixing portion 221 , and extending from the second The portion 223 further extends downwardly from the second solder joint 224 of the insulative housing. [〇〇1〇] Referring to the ninth to eleventh drawings, the first conductive terminal 21 includes a plurality of pairs of differential signal terminals and a plurality of ground terminals G. The first conductive terminal 21 is divided into a first group terminal A and a second group terminal B which are parallel to each other, and the first group terminal A is located outside the second group terminal B. The six terminals of the first group terminal A from left to right are respectively 8 S3, g, S7, B, and G. The six terminals of the second group terminal B from left to right are respectively G ' S4, S6, G, S1G, S12. Referring to the tenth-figure, the differential signal pairs S1 and S3 are provided with ground terminals g in the lower and right directions, respectively. Front Form No. A0101 Page 5 of 27 The differential signal pair S4 and S6 are provided with grounding terminals G in the left, right and upper directions, respectively. The differential signal pair S7 and S9 are provided with a ground terminal G in three directions of the left side, the right side, and the lower side, respectively. The differential signal pair S10, S12 is provided with a ground terminal G in three directions of the left side, the right side, and the upper side, respectively. Since the present electrical connector 100 is a stacked connector and the first connector 101 is located above, the first extension 213 of the first conductive terminal 21 in the first connector 101 may be relatively long, in the prior art, because The difference between the pair of differential signals S1 and S3 is less than one ground terminal G around the other signal pairs, so that the impedance difference between the differential signal pair S1 and S3 and other signal pairs is obvious. In the present creation, in order to reduce the differential signal pair S1. The difference in impedance between S3 and other signal pairs is such that the first extension portion 213 of the differential signal pair S1, S3 is designed to be wider than the first extension portion 213 of the other terminals, so as to compensate for different differential signal pairs due to adjacent grounding. The difference in impedance caused by the inconsistent arrangement of the terminals G reduces the difference in impedance between the differential signal pairs and improves the quality of the signal transmitted by the electrical connector 100. [0011] Referring to the third and sixth figures, the foregoing first connector 101 is not a single independent structure, and includes a first inner iron shell 6 which is mounted on the top from the front to the rear. Inside the interface 11. The first connector 101 is formed by combining the insulative housing 1, the first tongue 12, the first conductive terminal 21, and the first inner iron case 6. The first tongue 12 and the insulative housing 1 are of a unitary structure. Referring to the eighth figure, the second connector 102 is a separate structure that is received in the lower mounting opening 13. The second connector 102 includes a body 7, a second conductive terminal 22 mounted in the body 7, a positioning seat 8 for positioning the second conductive terminal 22, and a second inner iron housing 9 for shielding the body 7. The body 7 includes a main body portion 71 and a second tongue plate 72 projecting forward from the main body portion 71, Form No. A0101, Page 6 of 27 M418419. [0012] Referring to the sixth and seventh figures, the positioning block 3 includes a substrate 31 and a latching member 32 located above the substrate 31. The front side of the substrate 31 is provided with a plurality of ribs 311 which are laterally arranged and projecting outwardly in the up and down direction, and a positioning groove 312 between the adjacent two ribs 311 for restricting the position of the conductive terminals 2. The latching member 32 includes a positioning buckle 321 and positioning projections 322 respectively located on opposite sides of the positioning buckle 321 . The positioning buckle 321 and the positioning boss 322 are located above the protruding rib 311. The positioning buckle 321 cooperates with the first locking groove 171 on the insulative housing 1. The positioning boss 322 is engaged with the second latching groove 172 of the insulative housing 1 . In this way, the original electrical connector 100 is provided with two positioning bosses 322 on the basis of one positioning buckle 321 , so that when the positioning block 3 is assembled on the insulative housing 1 , it has a guiding and positioning function to ensure the positioning block. 3 smoothly and accurately assembled in place, the positioning block 3 and the insulating body 1 are more fixed. [0013] Continuing to refer to the sixth and seventh figures, the front shield housing 4 includes a front wall 41 and a first side wall 42 that is bent back from both sides of the front wall 41. The front wall 41 is formed with a first opening 411 located above and corresponding to the position of the upper insertion port 11, and a second opening 412 located below the first opening 411 and corresponding to the position of the lower mounting opening 13. The two first side walls 42 are provided with a card member 421 extending downwardly for soldering to the circuit board, and a second latching hole 422 for fastening to the second latching portion 181 of the insulative housing 1 and A strip 423 for engaging the slot 182 to guide the front shield housing 4 from front to rear. The two first side walls 42 are further provided with hook portions 424 which are bent and extended from the rear edge thereof for holding with the rear shielding shell 5. The front wall 41 of the front shield housing 4 is provided with a plurality of grounding form numbers A0101, page 7 of 27, and M418419 shrapnel 413, which are in contact with the first inner iron shell 6 and the second inner iron shell 9. The grounding elastic piece 413 is a plurality of first grounding piece 4131 extending rearward from the upper edge and the lower edge of the first opening 411 and a second grounding piece extending rearward from the upper edge of the second opening 412. 4131 is in contact with the first inner iron shell 6, Yu, +, wants to reverse the second grounding strip 4132 and the second inner iron shell 9 is contacted, so that the flute-internal iron shell 6 and the second inner iron shell 9 pass the first The grounding piece 4131, the second money receiving piece 4132, and the card member 421 of the front shielding case 4 constitute a grounding cover. [0014] The foregoing rear shielding case 5 includes the front cover too on the rear surface 17 of the insulating body 1. The main body 51, the extension wall 52 extending from the upper edge of the main body 51 to the sacral stomach, and the end of the self-extension wall 52 are bent downward and extended by π, and the wall 53 is folded. The bent wall 53 is provided with a first snap hole 531 that is engaged with the first hook portion m of the insulative housing 1. The main body 51 of the rear cover shell 5 includes four retaining holes 511 and a positioning piece 512 ° extending from the edge of the two retaining holes and extending in the guiding groove 173. The 511 is arranged in two rows and two rows in the up and down direction. The main body 51 is located at the outer side of each of the retaining holes 511 to form a snap edge 513. The four retaining holes 5 ι are used for space reserved for the front shielding shell 4 The hook portion is similar to the buckle edge 513. The positioning piece 512 includes two and extends forward from the inner sides of the upper two retaining holes 511. The rear shielding shell 5 is mounted from the top to the bottom, and the positioning piece 512 is installed in the rear cover shell 5, and is installed downwardly into the guiding groove 173 by the inclined wall 174 of the insulating body, so as to be disposed. Two pieces of positioning pieces 512 are added to the rear shielding shell 5, and two guiding grooves 173' with a slope are added to the insulating body 使 to make the casing 5 smooth and well positioned after assembly. And, while the rear shielding case 5 and the front shielding case 4 are snapped and fixed, the positioning piece 512 is engaged with the guiding groove 173 to form a frame number A0101. [0015] The present electrical connector 100 is provided with two positioning pieces 512 on the rear shielding shell 5, and two inclined guiding grooves 173' are added to the insulating body 1 to make the rear shielding housing 5 It is smoother and well positioned. Further, while the rear concealer casing 5 and the front shield casing 4 are snap-fastened, the rear cover casing 5 is further fixed by the engagement of the positioning piece 512 and the guide groove 173. [0016] The present invention provides a positioning and positioning function for the positioning block 3 on the basis of a positioning buckle 321 The positioning block 3 can be smoothly and accurately assembled in position, and the positioning block 3 and the insulating body 1 are more firmly fixed. [00Π] The first grounding strip 41 31 of the present invention is in contact with the first inner iron shell 6 and the second grounding strip 41 32 is in contact with the second inner iron shell 9 so as to be disposed first. The inner iron shell 6 and the second inner iron shell 9 form a grounding shield through the first grounding piece 4131, the second grounding piece 4132, and the card member 421 of the front shielding case 4. [0018] The present electrical connector 100 is a stacked connector, and the first connector 101 is located above, so the first extension portion 213 of the first conductive terminal 21 in the first connector 101 may be relatively long, in the prior art. Because the differential signal pair S1, S3 is less than one ground terminal g around the other signal pairs, the impedance difference between the differential signal pair S1, S3 and other signal pairs is obvious, and the original electrical connector 100 passes the differential signal pair. The first extension portion 21 3 of S1 and S3 is designed to be wider than the first extension portion 213 of the other conductive terminals, and to compensate for the difference in impedance caused by the arrangement of the adjacent ground terminal G, which is different, and improve the electric power. The connector 100 transmits the quality of the signal. Form No. A0101 Page 9 of 27 M418419 [0019] In summary, the creation meets the requirements of the new patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0020] The first figure is a three-dimensional combination diagram of the present electrical connector. [0021] The second figure is a perspective assembled view of another angle of the present electrical connector. [0022] The third figure is a partial exploded view of the present electrical connector. [0023] The fourth figure is a partially exploded perspective view of another angle of the third figure. [0024] The fifth figure is a partially exploded perspective view of the front shield housing and the rear shield housing of the present invention. [0025] The sixth figure is a further exploded perspective view of the third figure. The seventh figure is an exploded perspective view of another angle of the third figure. [0027] The eighth figure is a perspective view of the second connector in the present electrical connector. [0028] FIG. 9 is a perspective view of a first conductive terminal in the present electrical connector. [0029] The tenth view is a rear view of the first conductive terminal in the present electrical connector. [0030] The eleventh diagram is a bottom view of the present electrical connector. [Description of Main Component Symbols] [0031] Electrical Connector: 100 Form No. A0101 Page 10 of 27 M418419 [0033] [0034] [0037] [0038]

[0044] [0044] [0044]

[0048] [0049] [0049] [0050] First connector: 101 Second connector: 102 Insulating body: 1 Upper plug interface: 11 First tongue: 12 Lower mounting port: 13 Upper surface: 14 Lower surface: 15 Front surface: 16 First snap: 161 Rear surface: 17 First snap groove: 171 Second snap groove: 172 Guide groove: 173 Inclined wall: 174 Side wall: 18 Second snap: 181 slots: 182 Conductive terminals: 2 Form number A0101 Page 11 of 27 M418419 [0051] First conductive terminal: 21 [0052] First fixing part: 211 [0053] First contact Portion: 212 [0054] First extension: 213 [0055] First soldering portion: 214 [0056] Second conductive terminal: 22 [0057] Second fixing portion: 221 [0058] Second contact portion: 222 [0059 Second extension: 223 [0060] Second weld: 224 [0061] Positioning block: 3 [0062] Base plate: 31 [0063] Rib: 311 [0064] Locating groove: 312 [0065] Snap fastener: 32 [0066] Positioning snap: 3 21 [0067] Positioning boss: 322 [0068] Front shield housing: 4 [0069] Front wall: 41 Form number A0101 Page 12 of 27 M4184 19

[0070] First opening: 411 [0071] Second opening: 412 [0072] Grounding shrapnel: 413 [0073] First grounding lug: 4131 [0074] Second grounding lug: 4132 [0075] First sidewall: 42 [0076] card member: 421 [0077] first - snap hole. 422 [0078] card: 423 [0079] hook: 424 [0080] rear shielding housing: 5 [0081] main body: 51 [0082] Retaining hole: 511 [0083] Positioning piece: 512 [0084] Snap-on side: 51 3 [0085] Extension wall: 52 [0086] Bending wall: 53 [0087] - ^ button hole: 531 [0088] Inner iron shell: 6 Form No. A0101 Page 13 / Total 27, Page M418419 [0089] Main body: 7 [0090] Main body: 71 [0091] Second tongue: 72 [0092] Positioning seat: 8 [0093] Two inner iron shell: 9

[0094] The first set of terminals: A

[0095] The second set of terminals: B

[0096] Differential signal terminals: S1, S3, S4, S6, S7, S9, S10, S12

[0097] Ground terminal: G Form number A0101 Page 14 of 27

Claims (1)

M418419 VI. Patent Application Range: 1. An electrical connector comprising: an insulative body comprising a main body portion and a rear surface provided; the rear shielding housing comprising a plurality of retaining holes and an outer side of the retaining hole The front shielding shell comprises a hook portion buckled with the buckle side; and the plurality of conductive terminals are received in the insulating body; wherein the insulating body is concavely disposed from the rear surface A guiding groove is mounted on the rear cover housing, and the rear shielding housing includes a main body portion and a positioning piece extending forward from the main body and being held in the guiding groove. 2. The electrical connector of claim 1, wherein the guiding slot and the guiding piece comprise two. 3. The electrical connector of claim 1, wherein the guiding slot extends upwardly through the insulative housing, the rear shielding housing is mounted from top to bottom, and the insulative housing is disposed in the guiding slot The electrical connector of the first aspect of the invention, wherein the positioning piece extends from an inner edge of the repositioning hole, and the rear shielding case is in a position The outer side of the hole forms a snap edge, and the front shielding shell is provided with a hook portion that is buckled with the buckle side. 5. The electrical connector of claim 4, further comprising a first inner iron shell and a second inner iron shell disposed in the insulating body, wherein the front shielding shell is provided with a plurality and a first a first grounding piece contacting the inner iron shell and a second grounding strip contacting the second inner iron shell. 6. The electrical connector of claim 1, further comprising a positioning block mounted to the rear end of the insulative housing, the positioning block comprising a positioning buckle to be 100208563, form number A0101, page 15 of 27 1002028162-0 M418419 and a positioning boss on the outer side of the positioning buckle. The insulating body is provided with a first buckle groove that is engaged with the positioning buckle and a second buckle groove that is engaged with the positioning boss. 7. The electrical connector of claim 6, wherein the positioning boss comprises two and are respectively disposed on opposite sides of the positioning buckle. 8. The electrical connector of claim 6, wherein the front side of the positioning block is provided with a plurality of ribs extending laterally and extending outwardly in the up and down direction and between the adjacent two ribs. a positioning slot for limiting the position of the conductive terminal, the positioning boss and the positioning buckle are located above the rib. 9. The electrical connector of claim 1, wherein the conductive terminal comprises a first conductive terminal on an outer side, the first conductive terminal being divided into a first group of terminals that are parallel to each other and located in the first group a second set of terminals on the inner side of the terminal, the first conductive terminal includes a first fixing portion, a first contact portion extending forward from the first fixing portion, a first extending portion extending vertically downward from the first fixing portion, and extending a first soldering portion of the insulative housing, wherein the first extension of the first set of terminals from the left to the right of the outermost two adjacent conductive terminals is wider than the other first extensions. The electrical connector of claim 9, wherein the first conductive terminal comprises a plurality of pairs of signal terminals and a plurality of ground terminals, and the two extension terminals of the first extension portion are signal terminals, One of the four directions of the two signal terminals is respectively provided with a ground terminal in four directions of the upper, the lower, the left and the right. 100208563 Form No. A0101 Page 16 of 27 1002028162-0