200931735 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種電連接器及其組合’尤其涉及一種與印刷電路板採用非 焊接方式連接的電連接器及其組合。 【先前技術】 在目刖的電子領域中’電子裝置日益趨向於小型化，為適應此趨勢，電 連接器也向著輕、薄、短和小的趨勢發展。如日本特許專利申請公開第JP特 開平11-12118號揭示了一種採用沉板式結構以減小其組裝於電路板上後所佔 用空間的電連接器，其包括絕緣本體及複數端子，然，為對應該沉板結構， 其端子需要經過多次彎折，即自與對接連接器對接的接觸部向後延伸出後先 Ό彎折向上延伸，再向後水平延伸後向下延伸，如此，端子製造複雜，端子性 月b受到影響。鑒於此缺陷，後續又開發出一種如中華民國專利公告第454981 號所揭示的採用夾板式結構以減小其組裝於電路板上後所佔用空間的電連接 器，其包括絕緣本體、遮蔽殼體及複數端子，絕緣本體兩侧向後延伸定位座， 疋位座上開設有卡槽，印刷電路板水平插入開槽，此時，端子尾部以夾板方 式位於印刷電路板上下兩面，然，因端子尾部呈懸臂狀且無其他固持結構固 持其與印刷電路板’所以端子尾部還須用表面焊接技術（SMT)與印刷電路 板焊接，即電連接器還得經過焊接制程。因此，有必要設計一種可克服上述 缺陷的電連接器。 Q 【發明内容】 本發明之目的在於提供一種端子與印刷電路板採用彈性抵接方式電性連 接的電連接器及其組合。 本發明之目的在於提供一種組裝方便的電連接器及其組合。 為實現上述目的，本發明採用以下技術方案：一種電連接器，其安裝於 印刷電路板上，其包括絕緣本體以及複數收容於絕緣本體内的端子，端子包 括設於其一端的與對接元件對接的接觸部及設於其另一端的抵接部，端子呈 上、下排設置，上、下排端子的抵接部與印刷電路板以夾板方式彈性抵接。 一種電連接器組合，其包括印刷電路板及組裝於印刷電路板上的電連接 器，該電連接器包括絕緣本體、複數收容於絕緣本體内的端子以及遮覆於絕 緣本體外的遮蔽殼體，端子包括設於其一端的與對接元件對接的接觸部及設 於其另一端的抵接部’端子呈上、下排設置’上、下排端子的抵接部與印刷 5 200931735 電路板以央板方式彈性抵接。 種電連接n組合’其包括印刷電路板及組裝於雜 ϊίηίί^ ’ ί子包括設於其一端的與對接元件對接的接觸部及設 於其另-端的抵接和電連接器以傾斜方向收容 =_稱w行，料的__織财^== 技術概’本發明電連接11及其組合具有如下有益效果··端子斑 印刷電路板赠性抵接方式電性連接，無須經過焊接制程， 針” 【實施方式】 〇該第^f第六圖所示，其揭示了"種安裝於印刷電路板5上的電 連接器100，其包括絕緣本體卜複數收容於絕緣本體丨内的第一端子2及 二端子3、遮覆於絕緣本體丨外的遮紐體4以 鎖扣件係指螺母6以及螺栓7、8。 不貫施方式中的 ^緣本體1包括第一本體n及第二本體12。第一本體u包括與對接元 未圖示）對接的對接部111及自對接部出後端向兩側延伸的 112 ’第一翼部112上設有圓形開孔113。第二本體12包括定位座⑵及自定 位座121前端向兩側延伸的第二翼部122。第二翼部122上設有與 112上的圓形開孔113對應的圓形開孔123。定位座121的底壁⑵】上十& ^延伸的導柱m及位鱗柱124旁侧的收容孔，該收容孔於本實施例中 =指圓形麻125及設於其下方且與其貫通的方形開孔127。定位座⑵於 V其側壁1212上設有凹陷部1213，於其底壁1211設有卡槽1214。第一、第二 本體11、12上分別設有複數相互對應的第一、第二收容槽道114、126，且第 一、第二收容槽道114、126的末端設有擂止部114〇、1260。 第端子2包括固持部20、自固持部20 —侧向前延伸並收容於第一本 ，11的第-收容槽if 114 _接觸臂21以及自固持部20的另—側向後 ^收容於第二本體12的第二收容槽道126内的抵接臂22。接觸臂2ι設有與 j接το件對接的接觸部21〇，抵接臂22設有與印刷電路板5抵接的抵接部 〇。上、下排第一端子2的抵接部22〇沿與印刷電路板5對接的方向 位排列。 a 一第二端子3的結構與導電端子2類似，其包括固持部3〇、自固持部3〇 一侧向前延伸並收容於第一本體n的第一收容槽道114内的接觸臂31及自 固持部30的另一側向後延伸並收容於第二本體12的第二收容槽道126内的 6 200931735 抵接臂32。接觸臂31設有與對接元件對接的接觸部31〇，抵接臂32設有與 印刷電路板5抵接的抵接部320。上、下排第二端子3的抵接部32〇沿與印 刷電路板對接5的方向前後錯位排列。 遮蔽f體4包括第一遮蔽殼體41、第二遮蔽殼體42及第三遮蔽殼體43。 第一遮蔽殼體包括基板411、自基板411前端向上延伸的前板412以及自基板 411兩側邊前端分別向上延伸的側板413。基板411上設有向後延伸的卡持片 4110，於卡持片4110兩側分別設有向上延伸的彈性扣持臂414，彈性扣持臂 414的f，設有卡勾414〇β前板412及側板413上分別設有卡孔412〇 413〇。 第一遮蔽忒體42包括基板42卜自基板421的前端向下延伸的前板422以及 自基板421兩側邊分別向下延伸的側板423。前板422及侧板423上分別設 〇有向内突出的卡持片4220、4230。於基板421的後端還設有先向下傾斜延伸 再水平向前延伸的兩固持片424，固持片424上設有圓形開孔424〇，固持片 兩側設有抵靠於第二本體12的側壁1212的頂部的抵靠片425。第三遮蔽 殼體43遮覆於第一本體u的對接部lu上，其包括包覆於對接部lu上的 對接框431及自對接框431後端向兩側延伸的第三翼部432，第三翼部432 上設有圓形開孔4320。 印刷電路板5上設有開槽52，於開槽52内侧向前凸伸出一基板51，基 板51包括設於其正反兩面的複數導電墊片511、512以及位於導電墊片511、 512後端的橢圓形導引孔513及圓形開孔514。 電連接器100在組裝時，先將第一、第二端子2,3自後向前插入絕緣本 體上的第一本體丨丨，此時，接觸臂21、31及固持部2〇、3〇分別收容於第一 W，容槽道114，接觸臂2卜31的末端2U、311分別抵靠於擔止部114〇 ;其 次’將第一、第二端子2，3的抵接臂22、32自前向後收容於第二本體12 ^ 第二收容槽道126，並將抵接臂22、32的末端22卜321分別抿靠於擋止部 _丄此時’第-本體u的第—翼部112與第二本體12的第二|部3』 互抵靠’用螺栓7穿過圓形開孔113、123將第一、第二本體u、12固持於 :起；然後’將螺母6壓入第二本體π的定位座121上的方形開孔127内； 最後，將第三遮蔽殼體43及第一遮蔽殼體41分別組裝至第一本體u及第二 本，12上’第三遮蔽殼體43的對接框431包覆住第一本體11的對接部U1， 第三翼部432抵靠於第一本體11的第一翼部112的前壁，第—遮蔽殼體41 的^持片4110卡持於定位座121的底壁1211的外侧壁的卡槽1214,前板412 貼靠於第三翼部422上’側板413貼靠於第一翼部112及第二翼部122的側 壁上，彈性扣持臂414位於定位座121的侧壁1212兩側。請參閱第七圖至第 7 200931735BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical connector and a combination thereof, and more particularly to an electrical connector that is non-weldedly coupled to a printed circuit board and combinations thereof. [Prior Art] In the field of electronics that has been witnessed, electronic devices are increasingly becoming smaller, and in order to adapt to this trend, electrical connectors are also moving toward light, thin, short, and small. An electrical connector using a sinker type structure to reduce the space occupied by the board after being assembled on a circuit board, which includes an insulative body and a plurality of terminals, is disclosed in Japanese Laid-Open Patent Publication No. Hei 11-12118. Corresponding to the sinking structure, the terminal needs to be bent a plurality of times, that is, after the contact portion that is butted with the mating connector extends rearward, the Ό bends and extends upward, and then extends horizontally backward and then extends downward. Thus, the terminal is complicated to manufacture. The terminal month b is affected. In view of this defect, an electrical connector using a splint structure to reduce the space occupied by the assembly on the circuit board as disclosed in the Republic of China Patent Publication No. 454981, which includes an insulative housing and a shielding housing, has been developed. And a plurality of terminals, the two sides of the insulating body extend rearwardly to the positioning seat, the clamping seat is provided with a card slot, and the printed circuit board is horizontally inserted into the slot. At this time, the terminal tail portion is located on the lower two sides of the printed circuit board by means of a clamping plate, however, due to the terminal tail portion It is cantilevered and has no other holding structure to hold it and the printed circuit board. Therefore, the terminal tail must be soldered to the printed circuit board by surface soldering technology (SMT), that is, the electrical connector has to be soldered. Therefore, it is necessary to design an electrical connector that overcomes the above drawbacks. Q [Explanation] An object of the present invention is to provide an electrical connector and a combination thereof in which a terminal and a printed circuit board are electrically connected in an elastic abutting manner. It is an object of the present invention to provide an electrical connector that is easy to assemble and a combination thereof. In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector is mounted on a printed circuit board, and includes an insulative housing and a plurality of terminals received in the insulative housing. The terminal includes a mating component disposed at one end thereof. The contact portion and the abutting portion provided at the other end thereof are provided in the upper and lower rows, and the abutting portions of the upper and lower rows of terminals are elastically abutted against the printed circuit board by a cleat. An electrical connector assembly comprising a printed circuit board and an electrical connector assembled on the printed circuit board, the electrical connector comprising an insulative housing, a plurality of terminals received in the insulating body, and a shielding housing covering the outside of the insulating body The terminal includes a contact portion that is disposed at one end of the mating component and abutting portion provided at the other end of the terminal. The terminal is provided with upper and lower rows of abutting portions of the upper and lower rows of terminals and printing 5 200931735 circuit board The central board is elastically abutted. An electrical connection n combination 'which includes a printed circuit board and assembled in a ϊ ϊ ϊ ϊ 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 包括 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触=_called w line, the material of the __ 织财^== Technology Overview The invention of the electrical connection 11 and its combination has the following beneficial effects · Terminal strip printed circuit board gifted abutment way electrical connection, without the need for a soldering process [Embodiment] [Embodiment] As shown in the sixth figure, it is disclosed that the electrical connector 100 mounted on the printed circuit board 5 includes an insulating body that is housed in the insulating body. The first terminal 2 and the two terminals 3 and the shutter body 4 covering the outer side of the insulating body are used as the locking member to refer to the nut 6 and the bolts 7 and 8. The inconsistent method includes the first body n. And the second body 12. The first body u includes an abutting portion 111 that is butted against the docking element, and a first opening 112 that extends from the rear end of the butt portion to the two sides. The first wing portion 112 is provided with a circular opening 113. The second body 12 includes a positioning base (2) and a front end of the self-positioning seat 121 extends to both sides The second wing portion 122. The second wing portion 122 is provided with a circular opening 123 corresponding to the circular opening 113 on the 112. The bottom wall (2) of the positioning seat 121 has a guide post m extending from the upper ten & The receiving hole on the side of the scale column 124, in the present embodiment, refers to a circular hemp 125 and a square opening 127 disposed therethrough and penetrating therethrough. The positioning seat (2) is provided with a recess on the side wall 1212 of the V. The portion 1213 is provided with a card slot 1214 in the bottom wall 1211. The first and second bodies 11 and 12 are respectively provided with a plurality of first and second receiving channels 114 and 126 corresponding to each other, and the first and second receiving portions are respectively disposed. The end of the channel 114, 126 is provided with a stopping portion 114A, 1260. The first terminal 2 includes a holding portion 20, and extends from the side of the holding portion 20 and is received in the first portion, the first receiving groove if 114 _ The contact arm 21 and the other side of the self-retaining portion 20 are received in the second receiving channel 126 of the second body 12. The contact arm 21 is provided with a contact portion 21 that abuts the member. The abutting arm 22 is provided with an abutting portion 抵 that abuts against the printed circuit board 5. The abutting portion 22 of the upper and lower rows of the first terminals 2 is in a direction of abutting with the printed circuit board 5. The structure of the second terminal 3 is similar to that of the conductive terminal 2, and includes a retaining portion 3〇, a contact extending forward from the retaining portion 3〇 and received in the first receiving channel 114 of the first body n. The arm 31 and the other side of the self-retaining portion 30 extend rearwardly and are received in the second receiving groove 126 of the second body 12 by the 6 200931735 abutting arm 32. The contact arm 31 is provided with a contact portion 31 that abuts the mating component. The abutting arm 32 is provided with an abutting portion 320 that abuts against the printed circuit board 5. The abutting portions 32 of the upper and lower rows of the second terminals 3 are arranged in a front-rear direction in the direction of the butting 5 with the printed circuit board. The shielding body 4 includes a first shielding housing 41, a second shielding housing 42, and a third shielding housing 43. The first shielding case includes a substrate 411, a front plate 412 extending upward from the front end of the substrate 411, and a side plate 413 extending upward from the front ends of the both sides of the substrate 411, respectively. The base plate 411 is provided with a rearwardly extending latching piece 4110. The two sides of the latching piece 4110 are respectively provided with an upwardly extending elastic latching arm 414, and the elastic latching arm 414 is provided with a hook 414〇β front plate 412. And the side plate 413 is respectively provided with a card hole 412 〇 413 〇. The first shielding body 42 includes a front plate 422 extending downward from the front end of the substrate 421, and a side plate 423 extending downward from both sides of the substrate 421, respectively. The front plate 422 and the side plate 423 are respectively provided with holding pieces 4220 and 4230 which protrude inward. At the rear end of the substrate 421, there are two holding pieces 424 extending downwardly and then extending horizontally forwardly. The holding piece 424 is provided with a circular opening 424, and the two sides of the holding piece are disposed against the second body. The top of the side wall 1212 of the 12 abuts against the sheet 425. The third shielding shell 43 is disposed on the mating portion lu of the first body u, and includes a mating frame 431 covering the mating portion lu and a third wing portion 432 extending from the rear end of the mating frame 431 to the two sides. The third wing portion 432 is provided with a circular opening 4320. The printed circuit board 5 is provided with a slot 52. A substrate 51 protrudes forwardly from the inside of the slot 52. The substrate 51 includes a plurality of conductive pads 511 and 512 disposed on the front and back sides thereof, and the conductive pads 511 and 512. An elliptical guide hole 513 and a circular opening 514 at the rear end. When the electrical connector 100 is assembled, the first and second terminals 2, 3 are first inserted into the first body 上 on the insulative housing from the rear to the front. At this time, the contact arms 21, 31 and the holding portions 2, 3〇 They are respectively accommodated in the first W, the receiving channel 114, and the ends 2U and 311 of the contact arm 2b are respectively abutted against the supporting portion 114〇; secondly, the abutting arms 22 of the first and second terminals 2, 3, 32 is accommodated in the second body 12 ^ second receiving groove 126 from the front to the rear, and the end 22 321 of the abutting arms 22, 32 are respectively abutted against the blocking portion _ 丄 ' - the first wing of the first body u The portion 112 and the second portion 3 of the second body 12 abut each other 'the first and second bodies u, 12 are held by the bolts 7 through the circular openings 113, 123; then the nut 6 is Pressing into the square opening 127 of the positioning body 121 of the second body π; finally, assembling the third shielding shell 43 and the first shielding shell 41 to the first body u and the second body, respectively The mating frame 431 of the three shielding shells 43 covers the abutting portion U1 of the first body 11 , and the third wing portion 432 abuts against the front wall of the first wing portion 112 of the first body 11 , the first shielding housing 41 ^ Holding a film 4110 card In the card slot 1214 of the outer wall of the bottom wall 1211 of the positioning seat 121, the front plate 412 abuts the third wing portion 422. The side plate 413 abuts against the side walls of the first wing portion 112 and the second wing portion 122, and is elastic. The latching arms 414 are located on opposite sides of the side wall 1212 of the positioning base 121. Please refer to the seventh figure to the 7th 200931735
九圖所示，電連接器100在與印刷電路板5結合時，其先以一定角度傾斜收 容印刷電路板5，上、下排第一、第二端子2、3的抵接部220、320傾斜收 容印刷電路板5的基板51 ’第一本體12的定位座121的側壁1212及彈性扣 持臂414收容於印刷電路板5的開槽52内，彈性扣持臂414可彈性内凹於側 壁1212的凹陷部1213 ;然後，通過導柱124與印刷電路板5上的橢圓形導 引孔513的導引配合按逆時針方向C旋轉至電連接器ι〇〇與印刷電路板$相 互平行，此時，上、下排第一、第二端子2、3通過夾板的方式夾持印刷電路 板5 ’抵接部220、320的末端221、321抵靠於第二收容槽道126的槽道内 壁上’使得抵接部220、320前後錯位彈性抵接於印刷電路板5的正反面上設 置的導電墊片511、512上，彈性扣持臂414的末端的卡勾4140扣持於印刷 電路板5上；最後，將第二遮蔽殼體42自上而下遮覆於絕緣本體丨上，其前 板422及侧板423分別貼靠於第一遮蔽殼體41的前板412及侧板413，且向 内突出的卡持片4220、4230分別扣持於卡孔4120、4130，用螺栓8穿過固 持片424上的圓形開孔4240、印刷電路板5上的圓形開孔514、定位座121 上的圓形開孔125後與先前已經組裝入定位座121的方形開孔127内的螺母 6配合。至此，電連接器100與印刷電路板5緊密配合。 由上可知，本發明電連接器以傾斜方向收容印刷電路板5後再旋轉 下壓至電連接器1GG與印刷電路板5平行，上、下排第―、第二端子2、3以 夾板的方式雜抵胁_電職5上，即其無祕_焊接伽即可 刷電路板5保持可靠電性連接，組裝方便。 本具體實施方式僅列舉了本發明電連接器及其組合的較佳實施方式，當 二：本發明電連接器還可以採用其他結構，比如在第二本體12上言*置扣持臂 5上的開槽52配合；第—本體11及第二本體12也可設為一體 式絕、緣務。 、綜上^述，本創作確已符合發明專利之要件，爰依法提出申請專利。惟， ^所紐實施料，本剌之細並不以以實施方式 皆應涵蓋於:下以;=援依本發明之精神所作之等效修飾或變化， 【圖式簡單說明】 第圖係本發明電連接器組裝於印刷電路板上的立體組合圖。 第=圖係第__另—軸立體組合圖。 第二圖係第二圖的立體分解圖。 8 200931735 第四圖係第-圖所示本發明電連接器的第二本體的立體圖。 第五圖係第-圖所示本發明電連接器未組裝第二遮蔽殼體時的組合圖。 第六圖係沿第五圖的VI-VI線的剖視圖。 第七圖係第五圖所不本發明電連接器傾斜收容印刷電路板時的橫截面的 剖視圖。 第八圖係第七圖所7F本發明電連接器與印刷電路板配合到位時的橫截面 的剖視圖。 第九圖係是本發明電連接n與印刷電路板安裝完後未絲第二遮蔽殼體 及螺栓的立體圖。 第十圖係沿第二圖的X-X線的剖視圖。 ® 【主要元件符號說明】 電連接器 100 絕緣本體 1 第一本體 11 對接部 111 第一翼部 112 收容槽道 114 、 126 圓形開孔 113、123、125 、4240、4320、514 擋止部 1140、1260 第二本體 12 定位座 121 底壁 1211 側壁 1212 凹陷部 1213 卡槽 1214 第二翼部 122 導柱 124 方形開孔 127 第一端子 2 固持部 20、30 接觸臂 21 ' 31 接觸部 210、310 抵接臂 22'32 抵接部 220、320 末端 221 ' 321 第二端子 3 遮蔽殼體 4 第一遮蔽殼體 41 基板 411 ' 421 ' 51 卡持片 4110、4220、4230 前板 412'422 卡孔 4120、4130 侧板 413、423 彈性扣持臂 414 卡勾 4140 第二遮蔽殼體 42 固持片 424 抵靠片 425 9 200931735 第三遮蔽殼體 43 對接框 431 第三翼部 432 印刷電路板 5 開槽 52 導電墊片 511 ' 512 導引孔 513 螺母 6 螺栓 7 ' 8 〇 10As shown in FIG. 9 , when the electrical connector 100 is combined with the printed circuit board 5 , it firstly receives the printed circuit board 5 at an angle, and the abutting portions 220 and 320 of the first and second terminals 2 and 3 of the upper and lower rows. The side wall 1212 of the locating seat 121 of the first body 12 and the elastic latching arm 414 are received in the slot 52 of the printed circuit board 5, and the elastic latching arm 414 is elastically concave on the side wall. a recess 1213 of 1212; then, in a counterclockwise direction C, by the guiding engagement of the guide post 124 with the elliptical guiding hole 513 on the printed circuit board 5, the electrical connector ι is parallel to the printed circuit board $, At this time, the first and second terminals 2, 3 of the upper and lower rows sandwich the slot of the printed circuit board 5' the abutting portions 220, 320 of the abutting portions 220, 320 against the channel of the second receiving channel 126. On the inner wall, the abutting portions 220 and 320 are elastically abutted against the conductive pads 511 and 512 disposed on the front and back surfaces of the printed circuit board 5, and the hooks 4140 of the ends of the elastic latching arms 414 are fastened to the printed circuit. On the board 5; finally, the second shielding shell 42 is covered from the top to the bottom of the insulating body The front plate 422 and the side plate 423 are respectively abutted against the front plate 412 and the side plate 413 of the first shielding shell 41, and the inwardly protruding locking pieces 4220 and 4230 are respectively fastened to the card holes 4120 and 4130. The bolt 8 is passed through the circular opening 4240 on the holding piece 424, the circular opening 514 on the printed circuit board 5, the circular opening 125 on the positioning seat 121, and the square which has been previously assembled into the positioning seat 121. The nut 6 in the bore 127 fits. To this end, the electrical connector 100 is closely mated with the printed circuit board 5. As can be seen from the above, the electrical connector of the present invention accommodates the printed circuit board 5 in an oblique direction and then rotates down to the electrical connector 1GG in parallel with the printed circuit board 5, and the upper and lower rows of the second and second terminals 2, 3 are splint Mode Miscellaneous _ _ electric 5, that is, its no secret _ welding gamma can brush the circuit board 5 to maintain a reliable electrical connection, easy to assemble. The present invention only exemplifies a preferred embodiment of the electrical connector of the present invention and combinations thereof. When the second connector of the present invention can also adopt other structures, such as on the second body 12, the latching arm 5 is disposed. The slot 52 is matched; the first body 11 and the second body 12 can also be integrated and sealed. In summary, the creation has indeed met the requirements of the invention patent, and the patent application has been filed according to law. However, the details of the implementation of this article are not to be construed as being in the following embodiments: the following is equivalent to the modification or variation of the invention in accordance with the spirit of the present invention. A perspective assembled view of the electrical connector of the present invention assembled on a printed circuit board. The first figure is the __ another-axis stereo combination diagram. The second figure is an exploded perspective view of the second figure. 8 200931735 The fourth figure is a perspective view of the second body of the electrical connector of the present invention. Figure 5 is a combination view of the electrical connector of the present invention when the second shield housing is not assembled. The sixth drawing is a cross-sectional view taken along line VI-VI of the fifth drawing. Figure 7 is a cross-sectional view showing a cross section of the fifth embodiment of the present invention when the electrical connector is tilted to receive the printed circuit board. Figure 8 is a cross-sectional view of the cross section of the seventh embodiment of the present invention in which the electrical connector of the present invention is mated with the printed circuit board. Figure 9 is a perspective view of the second shield housing and the bolts of the present invention after the electrical connection n and the printed circuit board are mounted. The tenth drawing is a cross-sectional view taken along line X-X of the second drawing. ® [Main component symbol description] Electrical connector 100 Insulating body 1 First body 11 Butting portion 111 First wing portion 112 Storage channel 114, 126 Circular opening 113, 123, 125, 4240, 4320, 514 Stopping portion 1140, 1260 second body 12 positioning seat 121 bottom wall 1211 side wall 1212 recessed portion 1213 card slot 1214 second wing portion 122 guide post 124 square opening 127 first terminal 2 holding portion 20, 30 contact arm 21 ' 31 contact portion 210 310 abutting arm 22'32 abutting portion 220, 320 end 221 '321 second terminal 3 shielding housing 4 first shielding housing 41 substrate 411 '421 ' 51 holding piece 4110, 4220, 4230 front plate 412' 422 card hole 4120, 4130 side plate 413, 423 elastic buckle arm 414 hook 4140 second shielding shell 42 holding piece 424 abutting piece 425 9 200931735 third shielding shell 43 docking frame 431 third wing portion 432 printed circuit Plate 5 slot 52 conductive pad 511 ' 512 guide hole 513 nut 6 bolt 7 ' 8 〇 10