1278152 五、發明說明（1) 【电明所屬之技術領域】 ’尤指一種可以自動退拔 本發明係有關一種電連接哭 之USB電連接器。 ⑽ 【先前技術】 USB 係Universa 1 Seria 1 & μ 〆 ^ 用爭列匯流排，肩來口是^Λ+田十之間稱，中文名稱係通 丄级私彳、〃疋汉叶用來連接電腦週邊設備，例 = 滑氣等’比起傳統内部pc匯流排，例如：pci、 ISA寻’ USB比較容易使用’並且由則別介面制各種作 >業糸統，不需安裝特殊驅動程式，也不需繁複之設備安裝 過私，具有熱插拔功能，透過USB介面，即可馬上存取夂 項資料或驅動其他硬體，在現今個人電腦上，USB連接口端 口已成了基本配備，而且USB介面應用範圍亦越來越廣， 其應用領域還包括軟碟機、數碼相機、CD/DVD —r〇m、快 記憶體等隨身存儲設備，MP3以及其他儲存設備。 、 現在之USB電連接器一般都包括絕緣本體，導電端子 及金屬外殼，與本發明相關之現有技術可參照2 0 0 1年公告 之中國大陸2416636Y號專利及1999年公告之美國 " 5, 993, 258號專利所揭示之USB電連接器，USB電連接器都 _是直接安裝在電路板之後安設於電腦或其他設備背部，並 且現在USB連接裔形狀體積也越來越小，在插拔時並不方 便’而且隨著數碼攝影設備的普及，一種新型U § b插頭也 出現了’這種新型USB插頭之對接部比較長，因此在將對 接連接器拔出時要比普通類型所使用之拔出力更大，並且 也由於其對接部比較長，容易出現用力不均，使兩個連接 !278152 五、發明說明（2) =摩擦力增大之情況。 [务明内容】 可以減小拔出力之電連接 器。本發明之目的在於提供-種 本發明之另— 可靠進行電性連接：3:?供-種可以使兩對接連接器 %钱之電連接器。 為達成前述於明θ μ , -子及金屬遮蔽外Μ道帝 鲞明包括絕緣本體、導電端 ，並形成與對接連接哭至屬遮敝外殼包覆著絕緣本體 設有由滑塊、導杆及^笼f之收容空間，所述電連接器還 有心型導槽，導# / 百，，且成之抵退機構，滑塊侧壁上設 時，滑塊隨著；槽中移動，當對接連接器插入 執道運動並將滑塊鎖定；=而3，導杆順著心型槽之 。滑塊上還進一步設使對接連接器自動退出 以與對接連接器上之凹槽固=片上之勾部可 、與先前技術相比’本發明兩、卓f=對接連接器。 器在絕緣本體兩側設有抵】”：如下功效：電 :打，只需將對接連接器往 $要拔出對接連接 2之彈性力及滑塊之運動，‘動從接器就會由於彈 ，二力，·同時，電連接器上還設有二部退出，可以減小 :柄入時可以與對接連 ：：扣片，當對接 電連接器之間有效的電性連二保證對接連接器與本 【貧施方式】 1278152 五 '發明說明（3) :苓閱第一圖，本創作電連接器較佳 通用串列匯户姐γ . 、知方式是一猶 、、土 』進机排(Universal Seri al Bus )命 疋種 以連接對接連接哭和雷 .^ ^ 包連接器’用 黾連接器亦可以是其他類型。 式中，本創作 所货參照第一圖至第三圖所示，本創作電連接哭奋於以 所獒供之電連接器1包括金屬外殼10、絕緣本貝f例 機構3、金屬扣片4〇及導電端子5〇。其中，抵 接抵退 滑塊30、導杆31及彈簧32。 -、 '冓包括 刖述金屬外殼10包覆於絕緣本體20外， 上表面12、兩側面13及下表面14共同圍成收容對接 之空間，其前端係供對接連接器插接之對接部丨丨，全屬f 殼1 0上表面1 2上設有兩個方形孔i 2 i，在上表面〗2之後浐 設有壓制彈片1 2 2，下表面1 4亦設有壓制片J 4 J，金屬外殼 1 0侧面之後端還進一步設置了側壓彈片！ 31。絕緣本體2 f 箣端設有一舌板2 1，舌板2 1下面有端子收容槽2 2，絕緣本 體20還設有端子通孔23，導電端子50從絕緣本體2〇後端插 入端子通孔23，其前端（未標號）設置於舌板21下之端子 收容槽22中。絕緣本體20上表面之後端設有一方形凹槽24 _，當金屬外殼1 0安裝於絕緣本體2 0週邊時，金屬外殼1 〇上 表面1 2上之壓制彈片1 2 2與絕緣本體2 〇上之凹槽2 4相卡扣 配合。絕緣本體2 0之兩側各設有一「τ」型通槽2 5，Γ T」 型槽25上下兩側各設有一凸面26，其中位於下方之凸面26 後端還開設了一「L」型槽2 7，導杆3 1之後端與所述「l」 型槽2 7相配合，收容於「L」型槽2 7。1278152 V. INSTRUCTIONS INSTRUCTIONS (1) [Technical field to which the invention belongs] ‘In particular, one can automatically withdraw. The present invention relates to a USB electrical connector for electrical connection crying. (10) [Prior Art] USB system Universa 1 Seria 1 & μ 〆^ With the queue, the shoulder is the name between ^Λ+田十, the Chinese name is used by Tongyu-class private, and the Han Chinese leaf is used. Connect computer peripherals, for example, slippery, etc. 'Compared to traditional internal pc bus, for example: pci, ISA search 'USB is easier to use' and by interface, do not need to install special drivers The program does not need to be installed in a complicated device. It has a hot plug function. Through the USB interface, you can immediately access the data or drive other hardware. On today's personal computers, the USB port has become the basic Equipped with a wide range of USB interface applications, including floppy disk drives, digital cameras, CD/DVD-r〇m, fast memory and other portable storage devices, MP3 and other storage devices. Currently, USB electrical connectors generally include an insulative housing, a conductive terminal, and a metal housing. The prior art related to the present invention can be referred to the Chinese Patent No. 2416636Y and the US Announcement of 1999 published in the year of 1999. The USB electrical connector disclosed in the 993, 258 patent, the USB electrical connector is mounted directly on the back of the computer or other device directly after the circuit board, and now the USB connection shape is smaller and smaller, in the insertion It is not convenient to pull out. And with the popularity of digital photography equipment, a new U § b plug has also appeared. 'The new USB plug has a long butt joint, so it is more common than the common type when the docking connector is pulled out. The pull-out force is larger, and because the butt joint is longer, it is prone to uneven force, so that the two connections! 278152 5. Inventive Note (2) = Increased friction. [Make me] The electrical connector that can reduce the pull-out force. SUMMARY OF THE INVENTION It is an object of the present invention to provide an electrical connection that is reliable for electrical connection: 3: an electrical connector that allows two pairs of connectors to be used. In order to achieve the above-mentioned θ μ , - - - - - - - - - - - - - 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 包括 包括 包括 包括 包括 包括 包括 包括 包括 θ θ θ θ And the housing space of the ^ cage f, the electrical connector also has a heart-shaped guide groove, guide # / hundred, and the anti-backup mechanism, when the slider side wall is set, the slider follows; the slot moves, when The docking connector is inserted into the orbital motion and the slider is locked; = and 3, the guide is along the heart slot. The slider is further provided with the docking connector automatically retracting to the groove on the mating connector, the hook on the sheet, and the prior art, the second, the f=dock connector of the present invention. The device is provided on both sides of the insulating body:" The following functions: electricity: hit, just pull the docking connector to $ to pull out the elastic force of the butt joint 2 and the movement of the slider, 'the moving connector will be due to Bomb, two force, · At the same time, there are two exits on the electrical connector, which can be reduced: the handle can be connected with the docking:: buckle, when the electrical connection between the docking electrical connectors is guaranteed to be docked Connector and this [poor application method] 1278152 five 'invention description (3): 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 本 本 本The machine row (Universal Seri al Bus) is used to connect the docking connection to cry and thunder. ^ ^ The package connector 'used connector can also be other types. In the formula, the original shop goods refer to the first to third figures As shown, the present invention is electrically connected to the electrical connector 1 including the metal casing 10, the insulating body 3, the metal clasp 4 〇 and the conductive terminal 5 〇. Block 30, guide rod 31 and spring 32. -, '冓 includes a description of the metal casing 10 wrapped around the insulative body 20 The upper surface 12, the two side surfaces 13 and the lower surface 14 together form a space for accommodating the docking, and the front end is abutting portion 插 for the mating connector to be inserted, and all the upper surfaces of the f-shell 10 are provided with two The square hole i 2 i is provided with a pressing elastic piece 1 2 2 after the upper surface 〖2, and a pressing piece J 4 J is also provided on the lower surface 14 , and a side pressing elastic piece is further provided at the rear end of the metal casing 10 side surface! The insulating body 2f is provided with a tongue plate 2 at the end of the insulating body, and a terminal receiving groove 2 2 is disposed under the tongue plate 2 1. The insulating body 20 is further provided with a terminal through hole 23, and the conductive terminal 50 is inserted into the terminal through the rear end of the insulating body 2 The front end (not labeled) of the hole 23 is disposed in the terminal receiving groove 22 under the tongue plate 21. The rear end of the upper surface of the insulating body 20 is provided with a square groove 24 _ when the metal casing 10 is mounted on the periphery of the insulating body 20 The pressing elastic piece 1 2 2 on the upper surface 12 of the metal casing 1 is snap-fitted with the groove 2 4 of the insulating body 2, and a "τ" type through groove 2 is provided on each side of the insulating body 20. , Γ T" groove 25 is provided with a convex surface 26 on each of the upper and lower sides, wherein the lower end of the convex surface 26 also has a rear end L "shaped groove 27, after the end of the guide bar 31" l "type grooves 27 cooperating housed at the" L "shaped groove 27.
1278152 五、發明說明（4) " ---- 月ίι述抵退機構3由滑塊3〇、導杆31和彈簧32組成，滑 塊3 0 ,又有上、下側面及外側面和内側面（未標號），复 側面設有大致呈心型之導槽3〇〇，導杆31 —端設於絕緣太 體20之「L」型槽27中，另一端則收容於滑塊3〇之心型 = 3 0 0中，當有對接連接器插入時，隨著滑塊3〇之移動、， 導杆31在心型導槽3〇〇中順著心型槽之軌道滑動。滑塊μ -内側面設有一半圓形孔槽301，所述彈簧32就收容於該半 -圓形孔槽301中。滑塊3〇上側面之後端進一步設有一^上 _凸起之凸台30 2，前述凸台3〇2與滑塊30上側面形成階梯 形’當把滑塊3 0放置於絕緣本體1 〇中時，所述凸台3 〇 2收 容於絕緣本體10之「Τ」型槽中，滑塊30上側面則與絕緣 本體10之凸面26相接觸。在滑塊30之前端還設有一方形通 槽3 0 3，該通槽30 3用以與前述金屬扣片4〇相配合。金屬^ 片40向縱長兩側彎折形成插入部41，前述插入部41即插設 於滑塊3 0之通槽3 0 3中，使金屬扣片4 0可以與滑塊3 〇 一起 移動。金屬扣片4 0還設有水平向前之彈性臂4 2，該彈性臂 42稍微向上彎折，與水平面形成一定角度，當和金屬外殼 1 0組合時，所述彈性臂4 2伸出於金屬外殼丨〇之方形孔丨2 j _外，彈性臂42前端進一步設有一彎勾型之扣持部43，當對 接連接器插入時，該扣持部43可以與對接連接器相應^口持 孔配合扣持。 、 明繼續參照弟四圖及第五圖所示，組裝時，導電端子 5 0仗絕緣本體2 0後端之端子通孔2 3插入，穿過絕緣本體2 〇 設置於舌板2 1下方，導電端子5 〇前端接觸部（未標號）收1278152 V. Invention Description (4) " ---- Month ι 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵 抵The inner side surface (not labeled) has a substantially heart-shaped guide groove 3〇〇 on the double side, and the guide rod 31 is disposed at the end of the "L" shaped groove 27 of the insulating body 20, and the other end is received by the slider 3. In the heart type of 〇 = 300, when the docking connector is inserted, the guide rod 31 slides along the track of the heart groove in the heart-shaped guide groove 3〇〇 as the slider 3 moves. The slider μ is provided with a semicircular hole 301 in the inner side, and the spring 32 is received in the semi-circular hole 301. The upper end of the upper surface of the slider 3 is further provided with a protrusion 520 which is formed on the upper side of the slider 30. When the slider 3 0 is placed on the insulating body 1 〇 In the middle, the boss 3 〇 2 is received in the "Τ" groove of the insulative housing 10, and the upper side of the slider 30 is in contact with the convex surface 26 of the insulative housing 10. A square through slot 303 is also provided at the front end of the slider 30 for engaging the aforementioned metal clasp 4 。. The metal piece 40 is bent to the longitudinally long sides to form an insertion portion 41, and the insertion portion 41 is inserted into the through groove 310 of the slider 30 so that the metal cleat 40 can move together with the slider 3 . The metal clasp 40 is further provided with a horizontally forward elastic arm 42. The elastic arm 42 is slightly bent upward to form an angle with a horizontal plane. When combined with the metal casing 10, the elastic arm 42 protrudes from The front end of the elastic arm 42 is further provided with a bent hook type buckle portion 43. When the mating connector is inserted, the latching portion 43 can be corresponding to the mating connector. The hole is matched and buckled. Continuing to refer to the fourth and fifth figures, when assembled, the conductive terminal 50 is inserted into the terminal through hole 2 3 at the rear end of the insulating body 20, and is disposed below the tongue plate 2 through the insulating body 2 Conductive terminal 5 〇 front contact (not labeled)
第9頁 1278152 五、發明說明（5) 容於舌板21之端子收容槽22中。滑塊30分別設於絕緣本體 2 0兩側，滑塊3 0與「T」型槽2 5相配合，容置於其中，彈 簧32設置於滑塊30内側之半圓形孔槽3〇1中，一端抵著半 圓形孔槽301内側，另一端抵著金屬外殼10後壁（未標號 )，以形成彈性力。導杆3 1前部設有勾部3 1 0，其勾部3 1 0 設置於滑塊3 0之心型導槽3 0 0中，導杆3 1另一端設於絕緣 本體10「L」型槽27中’導杆31 —端抵著絕緣本體1〇，另 一端勾部310則隨著滑塊30之移動，順著心型槽3〇〇之軌道 移動。金屬扣片40設於滑塊3〇前端，金屬扣片4〇通過其兩 側之插入部4 1與滑塊3 0前端之通槽3 〇 3之配合固持於滑塊 30上。金屬外殼1〇包覆於絕緣本體2〇外，其上表面12之壓 制彈片122與絕緣本體20上之凹槽24相扣合，下表面“上 之壓制片141也和絕緣本體2〇底部相配合，起到加強固定 =用。金屬外殼1 〇側面！ 3上之側壓彈片i 31設於金屬外 叙1 0後端，其壓於導杯]·|卜 型样4 V杆1 以保5登導杆31在滑塊30之心 i扎300中私動，不會偏移滑出心型槽3〇〇軌道。 接連：Ϊ:第：圖及第六圖、第七圖所示，當沒有插入對 …，Ϊ:欠’滑塊3〇位於絕緣本體2°「Τ」型槽25前半 屬扣片4:= ΓΓ 〇則位於滑塊3〇心型槽3°。之a點。金 屬外殼處於Λ；然，f時’其向上斜伸出於金 〜乃办孔1 2 1。當插入對接遠拉口口 器抵觸到滑ο 耵接運接為時，對接連接 推，u = ’隨著對接連接器插入，其將滑塊， 勳，ί 勾部310順著心型槽3 0 0之軌道後Page 9 1278152 V. Description of the Invention (5) It is accommodated in the terminal receiving groove 22 of the tongue plate 21. The sliders 30 are respectively disposed on two sides of the insulative housing 20, and the sliders 30 are matched with the "T"-shaped slots 25, and are accommodated therein. The springs 32 are disposed on the inner side of the sliders 30. One end abuts against the inner side of the semicircular hole 301, and the other end abuts against the rear wall (not labeled) of the metal casing 10 to form an elastic force. The front part of the guide rod 3 1 is provided with a hook portion 3 1 0 , the hook portion 3 1 0 is disposed in the heart-shaped guide groove 300 of the slider 30 , and the other end of the guide rod 3 1 is disposed on the insulating body 10 “L” In the groove 27, the end of the 'guide rod 31' abuts against the insulating body 1〇, and the other end hook portion 310 moves along the track of the core groove 3 as the slider 30 moves. The metal clasp 40 is disposed on the front end of the slider 3, and the metal cleat 4 is held by the inserting portion 4 1 on both sides and the through groove 3 〇 3 at the front end of the slider 30. The metal casing 1 is wrapped around the insulating body 2, and the pressed elastic piece 122 of the upper surface 12 is engaged with the groove 24 of the insulating body 20. The lower surface "the pressed piece 141 is also connected to the bottom of the insulating body 2". Cooperate, strengthen the fixed = use. Metal casing 1 〇 side! 3 on the side of the pressure spring shrapnel i 31 is set at the metal outer surface of the 1 0 back, it is pressed against the guide cup]·| Bu pattern 4 V rod 1 to protect 5 The guide rod 31 is privately moved in the center of the slider 30, and does not shift out of the heart-shaped groove 3〇〇. The following: Ϊ: Figure: Figure 6, and Figure 6 and Figure 7, When no pair is inserted, Ϊ: ' 'slider 3 〇 is located in the insulating body 2 ° "Τ" type groove 25 in the front half of the buckle 4: = ΓΓ 〇 is located in the slider 3 〇 heart groove 3 °. a point. The metal casing is in a crucible; however, f when it is obliquely extended upward from the gold ~ is the hole 1 2 1. When inserting the docking and pulling the mouthpiece into contact with the sliding port, the docking connection pushes, u = 'As the docking connector is inserted, it slides the slider, the honour, and the licking portion 310 along the heart-shaped slot 3 After 0 0 orbit
第10頁 -屬扣片40也隨著滑塊3〇 一起往後移動，其私 1278152 五、發明說明（6) =臂42在隨著滑塊30後移過程中，逐漸被金屬外殼丨〇向下 ^。當對接連接器插入完成時’導杆31由於滑塊3〇移動到 二^本體後部，其勾部310也從a點滑到b點，並且由於 I ί: 32之彈性力作用’在插入完成後’彈簧32將滑塊30向 、於則導杆31之勾部310則自動滑到c點，將滑塊住 置。此時’金屬扣片40之彈性臂42也 =作r可：卡扣：對接連接器上表面之凹孔處，起 ，固：：，以提供可靠之電性連接。當要拔出對 h ,先將對接連接器繼續往後推，此 ^ ^ ^ ^ #31 0 ^ 向對接連V哭插不再二勾部310扣持，順著彈簧32之彈性力 二Λ 方向之反向㈣，即開始退出電連接哭 性臂42多：入片4°也隨著往插入口方向移動，彈 1Π夕出金屬外殼10，重新伸出於全屬外h1n + +弹 1 I" " " — -V；；1 " 表月電連接益通過在絕绫太辨不4山< _ 簧及導杆組成之抵退機構，在對接滑塊、彈 接連接器通過推動滑塊移動， ：：：拔過程，，對 其退出之效果從ΓΪΪ卡扣對接連接器並可自動將 了省力之功效。 方便地將對接連接器拔出，達到 金屬有可《扣持對接連接器之 連接4人時，所述金屬扣片彈性臂之 1278152 五、發明說明（7) 扣持部可以扣於對接連接器凹槽上，以使兩連接器之間電 性連接可以得到更可靠更有效之保證。 誠然，本發明電連接器之抵退機構並不局限於本實施 方式中之形狀及安裝方式，其心型導槽可以設置於滑塊上 ，也可以設置於絕緣本體側壁上，抵退機構可以設於絕緣 本體兩側也可以只設於一側，還可以設於絕緣本體底部， -此等變化皆係本發明新型電連接器所保護之範圍之内。 綜上前述，本發明確已符合發明專利之要件，爰依法 ⑩提出專利申請。惟，以上前述僅為本發明之較佳實施方式 中^ =能以此限定本發明之權利範圍。舉凡所屬技術領域 化了 f㊉知識者爰依本發明之精神所作之等效修飾或變 白仍涵蓋於後附之申請專利範圍内。Page 10 - The gusset 40 also moves backwards with the slider 3〇, its private 1278152 V. Invention Description (6) = The arm 42 is gradually being smashed by the metal casing as the slider 30 moves backwards. Down ^. When the docking connector is inserted, the guide rod 31 moves to the rear of the body due to the slider 3〇, and the hook portion 310 also slides from the point a to the point b, and the elastic force of the I ί: 32 acts on the insertion. The rear spring 32 automatically slides the slider 30 toward the hook portion 310 of the guide rod 31 to point c, and the slider is placed. At this time, the elastic arm 42 of the metal clasp 40 is also made to be r: the buckle: the recessed hole of the upper surface of the mating connector, and the solid:: to provide a reliable electrical connection. When you want to pull out the pair, first push the docking connector forward, this ^ ^ ^ ^ #31 0 ^ to the docking V, the crying plug is no longer the hook hook 310, follow the elastic force of the spring 32 In the opposite direction of the direction (four), that is, the electrical connection is started to exit the crying arm more than 42: 4° into the film also moves in the direction of the insertion port, and the metal casing 10 is released one by one, and re-extends out of the h1n + + bomb 1 I""" — -V;;1 " The monthly connection of the moon is connected to the slider and the spring connector by means of a reversing mechanism consisting of 4 springs and _ springs and guides. By pushing the slider to move, the ::: extraction process, the effect of its exit from the snap-on butt connector and automatically saves effort. It is convenient to pull out the docking connector to reach the metal. When the connection of the docking connector is 4, the metal buckle elastic arm is 1278152. 5. The invention (7) The buckle can be fastened to the docking connector. The groove is connected so that the electrical connection between the two connectors can be more reliable and more effective. It is a matter of course that the retracting mechanism of the electrical connector of the present invention is not limited to the shape and the mounting manner of the embodiment, and the heart-shaped guiding groove may be disposed on the sliding block or on the side wall of the insulating body, and the retracting mechanism may be The two sides of the insulating body may be disposed on only one side, or may be disposed on the bottom of the insulating body, and all of the changes are within the range protected by the novel electrical connector of the present invention. In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the foregoing is only the preferred embodiment of the present invention, and the scope of the present invention can be limited thereto. Equivalent modifications or whitenings made by the skilled person in the spirit of the present invention are still covered by the appended claims.
1278152 圖式簡單說明 【圖式簡單說明】 第一圖係本發明電連接器之主視圖。 第二圖係本發明電連接器之分解視圖。 第三圖係第二圖另一角度之視圖。 第四圖係第一圖所示電連接器金屬外殼與絕緣本體之分解 視圖。 第五圖係第四圖另一角度之視圖。 第六圖係對接連接器插入本發明電連接器時之示意圖。 第七圖係對接連接器插入本發明電連接器時絕緣本體之局 部視圖。 【主要元件符號說明】 電 連 接器 1 金 屬 外 殼 10 對 接 部 11 上 表 面 12 方 形 孔 121 壓 制 彈 片 122 側 面 13 側 壓 彈 片 131 下 表 面 14 壓 製 片 141 舌 板 21 端 子 收 容槽 22 端 子 通孔 23 方 形 凹 槽 24 厂 T」 型槽 25 凸 面 26 厂 L」 型槽 27 抵 退 機 構 3 滑 塊 30 心 型 導 槽 300 圓 形 孔槽 301 方 形 通 槽 303 凸 台 302 導 杆 31 勾 部 310 彈 簧 321278152 Brief description of the drawings [Simplified description of the drawings] The first figure is a front view of the electrical connector of the present invention. The second figure is an exploded view of the electrical connector of the present invention. The third figure is a view of another angle of the second figure. The fourth figure is an exploded view of the metal housing and the insulative housing of the electrical connector shown in the first figure. The fifth figure is a view of another angle of the fourth figure. Figure 6 is a schematic illustration of the docking connector inserted into the electrical connector of the present invention. The seventh diagram is a partial view of the insulative housing when the docking connector is inserted into the electrical connector of the present invention. [Main component symbol description] Electrical connector 1 Metal case 10 Butt joint 11 Upper surface 12 Square hole 121 Pressed elastic piece 122 Side 13 Side pressed elastic piece 131 Lower surface 14 Pressed sheet 141 Tongue plate 21 Terminal receiving groove 22 Terminal through hole 23 Square concave Slot 24 Factory T" groove 25 convex surface 26 factory L" groove 27 retracting mechanism 3 slider 30 core guide groove 300 circular hole groove 301 square groove 303 boss 302 guide rod 31 hook portion 310 spring 32
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