TWM403816U - Card edge connector - Google Patents

Abstract

A card edge connector includes an elongated insulative housing and a number of contacts retained on the insulative housing. The insulative housing has a front surface and a rear surface, an elongated first cavity recessed from the front surface and a second cavity behind the rear surface. The first cavity defines a first central line along an insertion dir-ection of a module. The second cavity defines a second central line along a mounting direction of a circuit board. Each contact has a con-tact portion extending into the first cavity and a tail portion extending in- to the second cavity. The contact portions are arranged in two rows along an up to down direction and respectively arranged at upper and lower sides of the first central line. The tail portions are arranged in two rows along a front to back direction and located on a common plane along the up to down direction at one side of the circuit board for being conveniently soldered.

Description

M403816 V. New Description: [New Technology Field] [0001] The present invention relates to a card edge connector, and more particularly to a card edge connector. [Previous technique] [0002] The prior art related to the present invention can be found in the US Patent No. 2GG9/G1G4818A1 of April 23, 2008. 'It consists of a longitudinally insulated body and a plurality of conductive terminals held in the body of the insulation. The insulation is familiar with the front and rear surfaces and the rear surface, from the front table _ shovel 43⁄4 粲 粲 cavity to accommodate an expansion card The module is located in the rear cavity to receive the circuit board. The first receiving insertion direction corresponds to and has the same center line along the expansion card module. Therefore, the expansion card module and the circuit board ‘the center line are located at the same time after the installation to the card edge connector. The conductive terminals are arranged in two rows. Each of the conductive terminals is disposed in the insulating body. The contact portion extending from the retaining portion into the first receiving cavity and the connecting portion extending rearward from the retaining portion . The contact portions are arranged in two rows to be electrically connected to the conductive sheets on both sides of the expansion card module. The connecting portion and the contact portion are arranged in two rows. The second receiving cavity is located between the two rows of connecting portions, so that the two connecting portions are welded to both sides of the circuit board in a riding manner. [0003] However, when the two rows of connecting portions are respectively disposed on both sides of the circuit board in a riding manner, the two sides of the circuit board are respectively provided with conductive sheets respectively electrically connected to the two rows of connecting portions, so that it is necessary for welding On the conductive sheets on both sides of the board, the surface number A0101, page 4/34, M403816, respectively, is soldered to solder the connection points of the conductive terminals, resulting in inconvenient and time-consuming soldering. [0004] Therefore, it is necessary to provide a card edge connector having an improved structure to overcome the above drawbacks. [New Content] [0005] In view of the above, it is necessary to provide a card edge connector with convenient soldering. [0006] The purpose of the present invention is achieved by the following technical solution: a card edge connector including an elongated length An insulating body and a plurality of conductive terminals fixed on the insulating body, wherein the insulating body is provided with a front end surface and a rear end surface respectively located at the front and rear ends, and a longitudinally-shaped first receiving cavity recessed from the front end surface to receive an expansion card module, And a second receiving cavity located behind the rear end surface to receive the circuit board, the first receiving cavity is provided with a first center line along the insertion direction of the expansion card module, and the second receiving cavity is provided along the mounting direction of the circuit board a second center line, each of the conductive terminals is provided with a holding portion that is retained in the insulating body, and a contact portion extending from the retaining portion into the first receiving cavity and a soldering portion extending rearward into the second receiving cavity The contact portion is distributed in upper and lower rows on the lower and upper sides of the first center line in the first receiving cavity, and the welded portion is disposed in two rows of front and rear and is located on the same plane in the up and down direction to be welded to the electricity. The same side of the board. [0007] Compared with the prior art, the present card edge connector has two rows of conductive terminals welded in two rows of front and rear and on the same plane in the up and down direction to be soldered on the same side of the circuit board, so that during the installation process The solder can be soldered on the same side of the board to solder the two rows of solder joints at the same time. Form No. A0101 Page 5 of 34 Έ 403816 The operation is convenient and fast, and the production efficiency can be improved. [0008] Referring to the first to seventh embodiments, a first preferred embodiment of the present card edge connector 100 is shown. The card edge connector 100 is used for plugging in a PCI-E extension. The card module 800 is soldered to a circuit board 900. The card edge connector 100 includes an elongated insulating body 1 and a plurality of conductive terminals 2 held on the insulative housing 1. The expansion card module 800 is provided with a mating portion 801 for contacting the card edge connector 100. The upper and lower sides of the mating portion 801 are respectively provided with a row of conductive sheets 802 for electrically connecting to the conductive terminals 2. . The docking portion 801 is also provided to the 镂_:^|^5: slot 803. The circuit board 90 0 - side is provided with a plurality of solder tabs θοι along the front ». The circuit board θΰ〇 also speaks two up and down

I through the positioning hole 9 0 2 and the cutting edge recessed from the front end to the back 9 0 3

[0009] Referring to the first to fifth figures, the insulative housing 1 has a vertically long design, and is provided with a rear face I2 of the front and rear air-chromic color, and a recessed from the front end surface 11 to accommodate the vine. The vertical length of the f5jOO first / /, · _., . | · the receiving cavity 13 and the rear end face two receiving cavity 14 to accommodate the circuit board 900. The insulative housing 1 is formed with a top wall 15 above the first receiving cavity 13 and a bottom wall 16 below the first receiving cavity 13. The top wall 15 and the bottom wall 16 are respectively provided with a plurality of terminal receiving grooves 17 penetrating the insulating body 1 rearward to hold the conductive terminals 2. The terminal receiving groove 17 is formed in an elongated shape in the up-and-down direction. The front side of the terminal receiving groove 17 communicates with the first receiving cavity 13 in the upper and lower directions, and the rear side communicates with the second receiving cavity 14 in the rear side. The insulative housing 1 is further provided with a retaining groove 150 that is recessed forward from the rear end surface 12 after the rear end of the top wall 15. The terminal receiving groove 17 on the top wall 15 is connected backwards. Form No. A0101, page 6 / page 34, the positioning groove 150, and the terminal receiving groove 17 on the bottom wall 16 communicates upward with the positioning groove 150. The insulating body 1 is provided with a partition 131 extending into the first receiving cavity 13 to be engaged with the positioning slot 803 of the expansion card module 800. The partition plate 131 divides the first receiving cavity 13 into two portions of different sizes to prevent the expansion card module 800 from being inserted or reversed. [0010] The insulative housing 1 is further provided with a first limiting arm 151 extending rearwardly and outwardly from the rear end sides of the top wall 15, and extending rearward and outward from the rear end sides of the bottom wall 16 respectively. The first limiting arm 151 corresponds to the second limiting arm 1 61. The first limiting arm 151 and the second limiting arm 161 are spaced apart from each other in the up and down direction, and the second receiving cavity 14 is located between the first limiting arm 151 and the second limiting arm 161 in the up and down direction, and The insulating body 1 is penetrated in the longitudinal direction. The circuit board 900 can be inserted between the first limiting arm 151 and the second limiting arm 161 to prevent the circuit board 900 from shaking up and down. The first receiving cavity 13 is provided with a first center line along the insertion direction of the expansion card module 800, and the second receiving cavity 14 is provided with a second center line along the mounting direction of the circuit board 900, the first center line It is on the same line as the second centerline to meet the design requirements of electronic equipment (not shown). With this arrangement, when the expansion card module 80 is plugged into the present card edge connector 100 and then mounted on the circuit board 900, the center line of the expansion card module 800 and the center line of the circuit board 900 are also located. On the same line. The first center line and the second center line may also be disposed along the vertical direction of the insulative housing 1 so that the expansion card module 800 and the second center line 14 are located directly behind the rear end surface 12 . The centerlines of the circuit board 900 are offset from each other to meet other design requirements of the electronic device. The first limiting arm 151 is provided with a first recess 1511 recessed rearward from the top end and a second concave form number A0101 recessed from the bottom rear end. Page 7 / 34 pages M403816 slot (5) 2, material number - The groove 1511 corrects the second (four) (5) 2 front end to penetrate each other in the up and down direction to form a first opening 1513. The second limiting arm 161 is provided with a third groove "" recessed backward from the front end of the bottom; and a fourth groove 1612 recessed forward from the top end, the third concave (four) (1) moxibustion end and fourth concave The front ends of the grooves 1612 penetrate each other in the up and down direction to form a second opening 1613. Thereby, the first opening 1513 and the second opening 1613 are respectively opened by the first groove 15" The groove i(1) and the second groove 1512 and the fourth groove 1612 which are open rearward are formed to be superposed on each other, whereby the mold for molding the grooves 1511, 1611, 1512' 1 612 can be used for the front and rear; the sound J, _ The second opening 1613^the first opening corresponds to each other. [0011] The insulative housing 1 is further provided with a key portion 18 from the rear second receiving cavity 14 to interface with the keyway on the circuit board 900. The key portion 18 corresponds to the partition plate 131 in the front-rear direction. The thickness of the key portion 18 in the up and down direction is the same as that of the circuit board 9 when the circuit board 9 is forwarded. Mounting to the positioning hole 902 on the second receiving cavity 14 < 彳 ^ $ and the first and second opening holes 1513, 1613 on the first limiting arm 151 and the arm ΐ Aligning, so that a screw (not shown) can be passed through the first opening 1 513, the positioning hole 902 and the second opening 1613 in the up and down direction to fix the original card edge connector 1〇0 and the circuit board 9〇〇 Referring to the second to seventh figures, the conductive terminals 2 are directly fabricated by a planar blanking process and are distributed in two rows on the insulative housing 1. The conductive terminals 2 are fixed. a plurality of first conductive terminals 21 on the top wall 15 and a plurality of second conductive terminals 22 fixed to the bottom wall 16. Each of the first guide form numbers A0101, 8th page, and 34 pages of the electrical terminals 21 are fixed to the top a first holding portion 211 in the terminal receiving groove 17 on the wall 15, a first contact portion 21 extending forward from the front end of the first holding portion 211, and a first connecting portion bent from the rear end of the first holding portion 211 And a first soldering portion 214 extending horizontally from the end of the first connecting portion 213. The first contact portion 212 protrudes downwardly into the first receiving cavity 13 to connect the conductive sheet 802 on the expansion card module 800. Located at an upper side position of the first center line in the first receiving cavity 13. The first holding portion 211 The sheet-like shape extends in the up-and-down direction. The first connecting portion 213 extends in the up-and-down direction to the upper side of the second receiving cavity 14 without extending out of the insulative housing 1. The first connecting portion 213 includes the first retaining portion 211. The first vertical portion 2131 extending directly upward from the end and the first lateral portion 2132 extending from the top end of the first vertical portion 2131 and extending downwardly from the top of the first vertical portion 2131. The first vertical portion 2131 is located at the top wall 15 On the rear side of the terminal receiving groove 17, the first lateral portion 2132 is located at the top of the retaining groove 150 and extends rearwardly out of the rear end surface 12' and is located above the second receiving cavity n in the up and down direction. The first soldering portion 214 extends horizontally rearward from the end of the first lateral portion 2132 and is arranged in a row along the longitudinal direction of the insulative housing 1 between the two first limiting arms 151, and is located in the fun 18 in the up and down direction. Above. The first contact portion 212 and the first soldering portion 214 of the first conductive terminal 21 are respectively located in the first center line and the second receiving cavity 14 of the first receiving cavity 3 in the up and down direction of the insulating body 1 . The upper center line of the second center line. The second conductive terminal 22 is provided with a second holding portion 221 fixed in the terminal receiving groove 17 of the bottom wall 16 , and a second contact portion 222 extending forward from the front end of the second holding portion 221 . The second connecting portion 223 which is bent and extended at the rear end of the second holding portion 221 and the first form A0101 and the second welded portion 224 which extend horizontally rearward from the end of the second connecting portion 223. The second contact portion 222 protrudes upward into the first receiving cavity 13 to connect the conductive sheet 8〇2 on the other side of the expansion card module 800. The first holding portion 221 extends in a sheet shape in the vertical direction. The first connecting portion 223 extends upward from the rear end of the second holding portion 221 through the front of the second receiving cavity 14 and on the rear side and the lower side of the first connecting portion 213. The second connecting portion 223 includes a second straight portion 2231 extending directly from the rear end of the second holding portion 221 and a second lateral portion 2232 extending from the first straight portion 2231 and extending rearward and downward. . The second straight portion 2231 is partially received on the rear side of the terminal receiving groove I of the bottom wall 16 and passes through the medicine of the second receiving cavity 14: _ _ _ _ _ _ _ 150 top. The second vertical portion 31 is located on the side of the second side. The second lateral portion 2232 is located on the lower side of the rear end surface H|jP^^2132. The second soldering portion 224 is located between the two first limiting arms 151, is located above the key in the up and down direction, and below the first λ.-transverse portion 2132, and is first in the front and rear direction. The front side of the welded portion 2i4. The second soldering portion edge Tlk is also arranged in a row and is soldered to the first soldering surface of the first soldering surface to be soldered to the two rows on the same side of the circuit board 9〇〇. The center line of the expansion card module 800 is not changed on the same line or offset from the center line of the circuit board 9 ,, so that the same side of the circuit board 900 can be brushed and soldered during the installation process. The welding of the two rows of splicing portions 214, 224 is convenient and quick, and the production efficiency can be improved. In addition, the second contact portion 222 of the second conductive terminal 22 is located below the first center line of the first receiving cavity 13 and the second soldering portion 2 2 4 is located at the second receiving cavity. The upper side position of the second center line in 14" Form No. Α0101

笫10 pages/total 34 pages [0014] When the present card edge connector 100 is mounted on the circuit board 900, the rear surface 12 of the insulative housing 1 is resisted by the front end of the circuit board 900 to limit The card edge connector 100 is moved excessively backward and is snapped by the key portion 18 at the rear end of the insulative housing 1 to the key slot 903 on the circuit board 90 0 to prevent reverse or erroneous mounting. When the card edge connector 100 is mounted on the circuit board 900, the second vertical portion 2231 is located directly in front of the circuit board 900. [0015] Referring to FIG. 8 , a second preferred embodiment of the present card edge connector 300 is illustrated. The card edge connector 300 and the card edge connector 100 of the first preferred embodiment are substantially configured. The only difference is that the card edge connector 100 in the first preferred embodiment is provided with two pairs of first and second limit arms 1 51 and 1 61 corresponding to the upper and lower sides, and with additional settings. The screws pass through the opening holes 1513, 1613 of the limiting arms 151, 161 and the positioning holes 902 on the circuit board 900 to fix the card edge connector 100 and the circuit board 900; and the card in the second preferred embodiment The edge connector 300 is provided with only a pair of first limiting arms 351 extending rearwardly and outwardly from the rear end sides of the top wall 35 of the insulative housing 3, and the first limiting arm 351 is respectively provided with a direction The lower extending positioning post 3514 is fixed to the positioning hole 902 on the circuit board 900. The positioning post 3514 is provided with a plurality of elongated ribs 3515 extending in the up and down direction to position the positioning post 3514 and the circuit board 900. A tight fit is formed between the holes 902. In addition, in the second preferred embodiment, the other structure of the insulative housing 3 and the structure of the conductive terminal 4 are identical to those in the first preferred embodiment, so that the same convenient soldering as in the first preferred embodiment can be achieved. And improve the efficiency of production. [0016] Referring to the ninth to thirteenth drawings, a third preferred embodiment of the present card edge connector 500 is shown. The card edge connector 500 also includes an insulating body form number A0101, page 11 / page 34 - M403816 body 5 and a plurality of conductive terminals 6 held on the insulative housing 5. The insulative housing 5 is also provided with a first receiving cavity 53 recessed from the front surface 51 to receive an expansion card module 800 ′ and a second receiving cavity 54 located behind the rear surface 52 to receive a circuit board 900 ′. The first center line of the first receiving cavity 53 and the second center line of the second receiving cavity 54 are on the same straight line or offset in the up and down direction. The insulative housing 5 is further provided with two pairs of limiting arms 55 extending rearward from opposite ends of the rear surface 52, respectively. Each of the pair of limiting arms 55 is provided with a receiving groove 551 which is recessed forward from the rear end, and a protrusion 552 which is connected between each pair of the limiting arms 55 in the up and down direction. The receiving groove 551 is extended along the longitudinal direction of the insulating body 5 and the second receiving rate _ the ginseng to dance the second receiving cavity 5 4 ... ' ' -K ^ · , i ' '> ... &quot ; . . . . is limited in the up and down direction of each pair of protrusions 552 rear end along the insulative body 5 in the front-rear direction; ^ limit the circuit board 900' excessively forward insertion. All of the top wall 58 located above the first receiving cavity 53 and the bottom wall 56 located below the first receiving space 3. The top wall 58 and the bottom wall 56 are respectively provided with a plurality of terminal receiving grooves 57 extending backward through the insulating body 5 to fix the protrusions on the pair of limiting arms 5 5 and the top of the rear wall. And the bottom wall 5 6 bottom,,: j ^ 9 > threat · * > · . * -1 end form an accommodation space 5 5 4 杈 Thai guide: the rear side of the electrical terminal 6. [0017] The conductive terminals 6 are formed by stamping and bending a metal strip and are distributed in two rows on the insulative housing 5. The conductive terminal 6 includes a plurality of first conductive terminals 61 fixed to the top wall 58, and a plurality of second conductive terminals 62 fixed to the bottom wall 56. Each of the first conductive terminals 61 is provided with a first holding portion 611 fixed in the terminal receiving groove 57 of the top wall 58 , a first contact portion 612 extending forward from the front end of the first holding portion 611 , and the first holding portion The first connecting portion 613 of the rear end of the 611, which is bent back and forth, and the first welded portion 614 extending horizontally rearward from the end of the first connecting portion form number Α0ΗΠ page 12/34 pages M403816 613. The first contact portion 612 protrudes downward into the first receiving cavity 53 to connect the conductive strip 802' on the expansion card module 8'. The first connecting portion 613 includes a first lateral portion 6131 extending rearward from the rear end of the first holding portion 611 and a first inclined portion 6132 extending obliquely downward from the first lateral portion 6131. The first lateral portion 6131 is received at the top of the accommodating space 554. The first inclined portion 6132 extends rearwardly into the second receiving cavity 54. The first soldering portions 614 are arranged in a row along the longitudinal direction of the insulative housing 1 between the limiting arms 55, and are located above the second receiving cavity 54 in the up and down direction. The first contact portion 612 and the first soldering portion 614 of the first conductive terminal 61 are respectively located in the first center line and the second receiving cavity 54 of the first receiving cavity 53 along the upper and lower directions of the insulating body 5 . The upper position of the second center line 〇 [0018] each of the second conductive terminals 62 is provided with a second holding portion 621 fixed in the terminal receiving groove 57 of the bottom wall 56 and extending forward from the front end of the second holding portion 621 The second contact portion 622 has a second connecting portion 623 that extends rearward and rearward from the rear end of the second holding portion 621 and a second welded portion 624 that extends horizontally rearward from the end of the second connecting portion 623. The second contact portion 622 protrudes upward into the first receiving cavity 53 to connect the conductive sheet 802' on the other side of the expansion card module 8'. The second connecting portion 623 includes a second lateral portion 6231 extending directly rearward from the rear end of the second holding portion 621 and a second inclined portion 6232 extending obliquely upward from the second lateral portion 6231. The second lateral portion 6231 is received under the accommodating space 554. The second lateral portion 6231 is located on the lower side of the first lateral portion 6131. The second inclined portion 6232 is located below the first lateral portion 6131 in the up-and-down direction along the front and rear form number A0101, page 13 / page 34, W03816, and is located in front of the first inclined portion 6132 and faces the first inclined portion (four). extend. The second splicing portion 624 extends rearward into the second middle of the second accommodating_. The position of the upper side of the line and the position of the first welded portion 614 in the front-rear direction is the same as that in the longitudinal direction of the insulating body 1 and is located in the same plane as the [welding portion 614] The upper layer is soldered to the two rows of soldering pads 901 located on the same side of the circuit board _, thereby sS: or not, and is not changed to the center line of the expansion card module 8'' and the center of the circuit board 900 The lines are located on the same straight line or on the basis of the upper and lower offsets, so that the soldering tin can be soldered on the same side of the circuit socks 9〇Q, and the two rows of soldering parts during the installation process: you are convenient and quick, and ask questions about the efficiency of the house. The thin 'by the second contact portion 62 2 with the electrical terminal 6 2 is located at the lower side of the first core line, and the second side of the second center portion of the second welded portion is located β v ., , /, . tV · [0019] When the present card edge connector 500| is mounted on the electric board 900, 5, the card edge connector is restrained by the 900' front end between each pair of limit arms 55彳i causes hyperactivity, resulting in circuit ΐ v 4* · the front end of the plate 900 abuts against the second inclined portion "Μ and deforms the second inclined portion 62 3 2 ° when the card edge connector 5 〇〇 is mounted to the circuit board After the 900' is up, the second inclined portion 6232 passes through the front end of the circuit board 900' in the up and down direction. [0020] As described above, the creation complies with the new patent requirements, and the patent is filed according to law. The 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 equivalent modifications or changes made by those skilled in the art to the spirit of the present invention should be covered below. Within the scope of patent application. Form No. 1010101 Page 14 of 34 [Simple Description] [0021] The first picture is the creation The three-dimensional combination diagram of the expansion card module and the circuit board is mounted in the first preferred embodiment of the edge connector. [0022] The second figure is the first embodiment of the expansion card module and the circuit board after the card edge connector is withdrawn [0023] The third figure is a view of another angle of the second figure. [0024] The fourth figure is an exploded perspective view of the card edge connector of the second figure. [0025] The fifth figure is the fourth figure. Figure 6 is a cross-sectional view taken along the line VI-VI in the second figure. [0027] The seventh figure is a section along the line VII-VII in the first figure. [0028] The eighth figure is a perspective view of the second preferred embodiment of the present card edge connector when the expansion card module and the circuit board are not installed. [0029] The ninth figure is the creation card edge connector FIG. 10 is a perspective view of the expansion card module and the circuit board after the card edge connector is removed in the ninth preferred embodiment. [0030] FIG. [0031] Figure 11 is an exploded perspective view of the card edge connector of the tenth figure. [0032] Figure 12 is a view of another angle of the eleventh figure [0033] Fig. 13 is a cross-sectional view taken along the line X11 I - X11 I in the tenth figure. [Description of main component symbols] [0034] Card edge connector: 100, 300, 500 Form No. A0101 Page 15 / Total 34 pages 5M403816 [0035] Insulating body · 1, 3, [0036] Front end face: 11 ' 51 [0037] Rear end face: 12 '52 [0038] First receiving cavity: 13, [0039] Partition: 131 [0040] Second receiving cavity: 14, [0041] Top wall: 15 [0042] Positioning groove: 150 [0043] First limiting arm: 151 [0044] First groove: 1511 [0045] Second concave Slot: 1512 [0046] First opening: 1513 [0047] Bottom wall: 16 [0048] Second limit arm: 161 [0049] Third groove: 1611 [0050] Fourth groove: 1612 [0051] Second opening: 1613 [0052] Terminal receiving slot: 17 [0053] Key: 18 53 54

Form No. A0101 Page 16 of 34 M403816

[0054] Conductive terminals: 2, 6 [0055] First conductive terminal: 21 ' 61 [0056] First holding portion: 211, 611 [0057] First contact portion: 212, 612 [0058] First connecting portion: 213, 613 [0059] first vertical portion: 2131 [0060] first lateral portion: 2132 [0061] first welded portion: 214, 614 [0062] second conductive terminal: 22' 62 [0063] second holding Part: 221 '621 [0064] Second contact: 222, 622 [0065] Second connection: 223 '623 [0066] Second vertical: 2231 [0067] Second lateral: 2232 [0068] [ 0069] Second weld: Top wall: 35 224, 624 [0070] First limit arm: 351 [0071] [0072] Positioning post: 3 514 Rib: 3515 Form No. A0101 Page 17 of 34 Έ 403816 [0074] [0078] [0078] [0078] [0084] [0084] [0088] [0088] [0088] [0088] Arm: 55 Storage slot: 551 Projection: 552 Housing space: 554 First lateral section: 6 1 31 First inclined section: 6132 Second lateral section: 6231 Second inclined section: 6232. Memory card module: 800, 800' docking department: 801 Conductive sheet: 802, 802' positioning groove: 803 circuit board: 900' soldering piece: 901, 901' positioning hole: 902 keyway: 903

Ecrua

Form No. A0101 Page 18 of 34

Claims (1)

M403816 VI. Patent application scope: 1. A card edge connector, comprising: a longitudinally-shaped insulating body, wherein the insulating body is provided with a front end surface and a rear end surface respectively located at the front and rear ends, and is recessed from the front end surface to receive an expansion card mold a longitudinally-shaped first receiving cavity of the group and a second receiving cavity behind the rear end face to receive the circuit board, wherein the first receiving cavity is provided with a first center line along the insertion direction of the expansion card module, and the second The receiving cavity is provided with a second center line along the mounting direction of the circuit board; and the conductive terminal is fixed on the insulating body, and each of the conductive terminals is provided with a holding portion held in the insulating body, and extends from the holding portion into the first receiving portion a contact portion in the cavity and a soldering portion extending rearwardly into the second cavity; the contact portion is disposed in upper and lower rows on the lower and upper sides of the first center line in the first receiving cavity, and the soldering portion is formed in front and rear The rows are arranged and placed on the same plane in the up and down direction to be soldered to the same side of the board. 2. The card edge connector of claim 1, wherein the soldering portion is located on a same side of a second centerline in the second receiving cavity. 3. The card edge connector of claim 2, wherein the conductive terminal comprises a plurality of first conductive terminals arranged in a row and a plurality of second conductive terminals in another row, the first conductive terminal The contact portion and the soldering portion are respectively located in the first center line of the first receiving cavity and the upper side of the second center line in the second receiving cavity, and the contact portion of the second conductive terminal is located in the first receiving cavity. A lower side position of the center line, and the soldering portion of the second conductive terminal is located at an upper position of the second center line in the second receiving cavity, and is disposed in a row in front of the soldering portion of the first conductive terminal in the front-rear direction. 4. The card edge connector of claim 3, wherein each of the conductive 099220890 form number A0101 page 19/34 pages 0992064675-0 M403816 terminal is further provided between the holding portion and the soldering portion. a connecting portion, the connecting portion of the first conductive terminal extends in an up-and-down direction to an outer side of the second receiving cavity without extending the insulating body, and the connecting portion of the second conductive terminal extends upward from the rear end of the holding portion The two receiving cavities are located on the rear side and the lower side of the connecting portion of the first conductive terminals. The card edge connector of claim 4, wherein the insulative housing is provided with a top wall and a bottom wall respectively above and below the first receiving cavity, and the top wall and the bottom wall are respectively provided The plurality of rearwardly extending through the terminal receiving groove of the insulative housing to hold the conductive terminal, wherein the absolute edge body is further provided with a terminal receiving groove extending from the top wall and communicating with the rear end of the receiving end to face the front recessed and thinned rearward communicating position slot. The bottom wall is located. The connecting portion of the first conductive terminal described in claim 5 includes a first vertical portion extending from a rear end of the retaining portion and extending rearward from the top end of the first vertical portion, and extending further downwardly and obliquely. a first lateral portion, the first 篆it terminal receiving groove rear side, the first lateral portion portion of the thimble top and extending rearward.. the rear end surface, the first conductive end, the sub-section The end of the first lateral portion extends horizontally rearward. 7. The card edge connector of claim 6, wherein the connecting portion of the second conductive terminal comprises a second vertical portion extending from a rear end of the retaining portion into a top of the retaining groove and from the second The top end of the vertical portion extends rearward and then extends downwardly into a second lateral portion above the second receiving cavity, the second vertical portion is located on the rear side of the first vertical portion, and the second lateral portion is located at the rear end surface The rear side and the lower side of the first lateral portion, the welded portion of the second conductive terminal extends horizontally rearward from the end of the second lateral portion. </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; The top wall and the bottom wall, the two pairs of limiting arms extending from the rear end of the rear end face, the receiving slots between each pair of limiting arms, and the front side of the receiving slot and connected between each pair of limiting arms a receiving space between the protruding block and the rear end surface and the top end of the top wall and the bottom end of the bottom wall for receiving the connecting portion of the first and second conductive terminals, wherein the second receiving cavity is located The rear side of the space is disposed and penetrates with the receiving groove along the longitudinal direction of the insulating body. 9. The card edge connector of claim 8, wherein the connecting portion of the first conductive terminal comprises a first lateral portion extending directly from the rear end of the retaining portion into the top of the accommodating space and from the first The transverse portion extends obliquely downwardly into the first inclined portion above the second receiving cavity, and the connecting portion of the second conductive terminal includes a second lateral portion extending directly from the rear end of the retaining portion to the lower side of the accommodating space, and The second lateral portion extends obliquely upward to the second inclined portion on the upper side of the second receiving cavity, and the second inclined portion is located in front of the first inclined portion in the front-rear direction. 10. The card edge connector of claim 1, wherein the first centerline and the second centerline are on the same straight line. 099220890 Form No. A0101 Page 21 of 34 0992064675-0