201027854 : 六、發明說明： 【發明所屬之技術領域】 本發明涉及一種電連接器，尤其涉及一種掀蓋式電連接器，該掀蓋式 電連接器具有可旋轉的蓋體’當將蓋體掀開時可供相匹配的對接連接器插 設，在不使用時可收合。 【先前技術】 隨著科技的進步，各種通訊設備在講求使用方法、功能強大及體積小 易於攜帶的需求下被不斷的推出，但該些產品皆需由訊號線來作為訊號的 傳遞和接收，故通常使用標準規格的插頭一端與網路相聯接，另一端與設201027854: VI. Description of the Invention: [Technical Field] The present invention relates to an electrical connector, and more particularly to a clamshell type electrical connector having a rotatable cover 'when the cover is used When the split is open, the matching mating connector can be inserted and can be folded when not in use. [Prior Art] With the advancement of technology, various communication devices are being continuously introduced under the demand for use, powerful functions, small size and easy portability, but these products need to be transmitted and received by the signal line as a signal. Therefore, the plug of the standard specification is usually connected to the network at one end, and the other end is provided.
❹ 置在電臈、電話等電子設備上的電連接器相連接，以實現訊號的傳遞和接 收。 習知的該類電連接器一般包括設有與插頭大小相匹配的插接面且一體 成型的絕緣本體和收容於絕緣本體内的端子。惟，該類電連接器有如下問 題：〇所述絕緣本體的高度太高，特別當該電連接器係安裝於電腦記憶卡 上時，將使整個電腦記憶卡體積甚為龐大，造成使用者在收置和攜帶上的 不便；2)因受限於絕緣本體的體積，使電連接器在可攜式電子設備中的安 裝點受到很大的影響；3)所述插接面外露容易使灰塵附著於端子上，而造 成接觸不良。 為解決上述問題，業界有設計出一種掀蓋式電連接器，該類掀蓋式電 連接器包括絕緣本體和收容於絕緣本體内的端子。所述絕緣本體呈兩件 式，其包括基座及旋轉樞接於基座一端的蓋體，當蓋體掀開時可與基作形 成插接面以供收容插頭，而當蓋體閉合時可收合。 惟，該類掀蓋式電連接器的基座和蓋體往往形成相對於基座的安裝面 傾斜的插接面’插頭以基本平行於傾斜蓋體的上表面插入到插接面内。該 類掀蓋式電連接器，在使用時蓋體和插頭均傾斜’仍然佔用很大的空間， 並且給使用者造成操作上的不便，其效果不是很理想。 基於前述缺陷，硪有必要對先前之電連接器進行改進。 【發明内容】 本發明之目的在於：提供一種在使用或不使用時，均能達到體積薄小’ 201027854 ^ 且方便操作的電連接器。 本發明係通以下技術方案實現的：一種電連接器，其包括底面形成安 裝面的基座、旋轉柩接於基座一端並相對於基座作開啟或閉合運動的蓋體 和組裝於基座内的端子，當蓋體被開啟時，該蓋體和基座間形成用以收容 一對接連接器的對接腔’所述基座向下凹陷形成位於對接腔底部並用以承 接對接連接器的第一表面’所述蓋體設有在蓋體開啟時平行於第一表面並 用以抵接對接連接器的第二表面，所述第一表面平行於安裝面。 相較於習知技術，本發明電連接器的第一表面為水平面能使對接連接 器水平插入，從而方便操作，並能使電連接器在使用和不使用時，均能達 到體積薄小。 以下結合圖式及實施方式對本發明進一步說明。 【實施方式】 請參第一圖至第三圖，本發明電連接器100用以插接對接連接器2〇〇 (如第六圖所示，該對接連接器2〇〇係業界常用的標準插頭如幻丨丨插頭或 ' ㈣插頭等，本發明中將不再詳細介紹），該電連接器100包括基座卜旋 轉樞接於基座1 -端的蓋體2、收容於基座！内的端子模組3和组裝於基座 1的指不裝置4。所述蓋體2相對於基座！作開啟或閉合運動，當蓋體2被 開啟時，蓋體2和基座1間形成用峨容對接連接器2〇〇的對接腔15。 請參第四®和第五圏，基以大致呈框形，其包括健前綱前壁1〇、 e 靠近後側的後壁11及分別連接前壁和後壁η且相對設置的左壁12、右 壁13。所述壁圍成-中空的收容腔14。所述基座】的底面形成將電連接器 女裝於電路板300 (如第六圖）上的安裝面〗6，所述基座 端子模組3以注塑成型的方式成型，其包括塑賴W和位於塑膠體幻 内的端子32。所述端子模組3固持於收容腔14内前壁和後壁^相應 設置有複數端子槽⑷讀容端子32 _分結構。職左壁12和右壁13 壁上形成從後向前延伸並概容腔14開口的細長滑槽142，所述塑 的兩側設有固持於滑槽142内的固持部3ιι。所述端子幻從塑膠體 出谭接腳321，所述輝接腳321分佈於基座1的底部和收容 而叹有凸伸出基座1的四周，有利於基座】四周其他結構的設置且 201027854 ： 有利於運輸該電連接器100。 所述基座1的左右壁12、13的外側壁向裡分別凹陷設有收容槽12卜 收谷槽121向前延伸貫穿左右壁12、13的前壁面形成開口 122。指示裝置 4包括收容於收容槽121内的本體部41、收置於開口 m内的頭部似及延 伸出左右壁12、13的接腳43。為防止指示裝置4脫離及保護指示裝置，收 容槽⑵的槽口分別設有保護蓋123，該保護蓋123自基座i側邊的 裝。 、’ 所述左右壁12、13的内側於前後位置處，分別設有上下貫穿左右壁12、 13的固持孔124。四個定位片5分別收容於所述固持孔124中所述定位 ϋ 5向下延伸出基座1並可固持於電路板3〇〇上為電連接器1〇〇提供抓 〇 板力和固持力。又’左右壁12、13的底壁上中間處分別從壁上一趙凸設有 定位柱125，以將電連接器準確定位於電路板上。 所述前壁10的底面與左右壁12、13的底面平齊，前壁1〇的上表面1〇1 向下凹陷，明顯低於左右壁12、13的頂面126並且與左右壁12、13的内 側壁向收容腔14凸伸的凸台127位於同一水平面。所述上表面1〇1和凸台 127共同形成由基座1向下凹陷並位於對接腔15底部用以承接對接連接器 200(如第六圖所示）的第一表面102,所述第一表面1〇2平行於安裝面16。 所述上表面101和凸台127的交界處凹設有大致呈V形的安置槽。所 述後壁11架設於左右壁12、13的後側並連接凸台丨27形成垂直於上表面 φ 101且於必要時可抵擋對接連接器200的抵擋面in » 所述左右壁12、13從後壁11向後凸伸並分別呈圓弧狀的連接部128， 所述連接部128相對的内側分別設有可樞接一軸6的樞接孔。所述蓋體2 藉轴6柜接於基座1的連接部128’並且於轴6的一端套設有一gj轉彈簧7， 能使蓋體2打開後自動回復。蓋體2包括覆蓋於基座】上側的主體部2〇、 自主體部20的前端向前彎折延伸後包覆於前側的前簾21及自主體部2〇的 後端對應於連接部128彎折延伸並部分包覆連接部128的後部22。所述主 體部20大致呈板狀’其包括頂壁和底壁頂壁的表面為平整面（如第一圖）， 而底壁則凹凸不平。所述底壁上從前向後設有相互平行的兩肋條2〇1，肋條 201向前靠近前簾21處凸設出大致呈三角形並可相應收容於安置槽1〇3内 之凸部202 ’凸部202面向後部22形成抵接對接連接器2〇〇之第二表面 5 201027854 :面 12G3平行於第—表面102。所述底壁於肋條201的外側 :槽挪。所述肋條201向後延伸至後部22，並於後部 $ 之221，所述輪部221上對應貫穿有供抽6穿設二= 22^，使付抓p 128和輪部221藉軸6連接。所述前簾21的中間位置處 5 1容:11211，並於開° 2U的邊上設有扣持對接連接器2°°的扣持部 ’所述扣持部212位於前端面，並且位於安装面16和第 間0 明參第一圖，蓋體2閉合時，蓋體2完全覆蓋於基座】上蓋體2的 頂壁23的表面平行於t路板水平設置，使得電連接器1〇〇的高度降到最 ® t並且’蓋趙2徽容腔14包覆’有浙電連接W00在不使用時防止 灰塵的進入附著於端子上造成接觸不良。 請參第六圖和第七圖，電連接器1〇〇安裝於電路板3〇〇上使用者 ,向上開啟蓋體2，對接連接器2⑻即可插入。隨後，對接連接器繼 、續插人’蓋體2相對於基座1的後端旋轉，當設置於蓋體2後部22頂緣上 的第-抵持部223抵持於電路板300上，即第一抵持部扭抵觸到安裝面 16所在的平面上’及設置於輪部221上並面向前簾21的邊緣上的第二抵持 部224抵持於左右壁12、13的&台127的後端，即由第一抵持部如和第 二抵持部224形成的限位裝置將蓋體2限制而不能繼續旋轉時，蓋體2和 基座1保持特定的角度，從而使基座1和蓋體2形成供對接連接器2〇〇插 拔的對接腔15。在所述對接腔15中，第一表面〗〇2平行於安裝面16，而 安裝面16貼合於電路板300並與電路板3〇〇保持平行，第二表面2〇3平行 於第-表面102且第-、第二表面間剛好可容納對接連接器2〇〇。此時，第 一表面102用以承接對接連接器2〇〇的底面，第二表面2〇3抵接對接連接 器200的頂面’蓋體2的凹槽2〇5用以收容對接連接器2⑻的頭部而扣 持部212將與對接連接器2〇〇的扣持臂相配合， 定的固持於電連接器_對接腔15内。蓋體2開啟並當對 器： 插入=接腔15内後，對接連接器200處於水平狀態’能使高度降到最低； 又，蓋體2旋轉後往下沉並抵靠於電路板3〇〇上，同時又抵靠在基座j的 後端，而扣持部212形成於蓋體2的前簾上，能使處於開啟位置的蓋體2 201027854 還是閉合狀態均處 同樣處於較低的高度。從而使電連接器1〇〇無論在開啟 於較低的高度，達到薄、小的特點。 第八圖和第九®健連接H _安裝於電子設備中的示意圖，電 連接器100安裝於電路板401上並收容於電子設備的安裝腔内β電^ 在不使用即蓋體2閉合時，蓋體2與電子設備的外形相销蓋體2頂壁 的表面基本平行於電子設備的外表面，使電連接器1〇〇不突出電子設嗖備 的週邊’達到理想的收容效果，並且蓋體2設有祕，有效防止灰=進 入和保護細裝置。電賴H在使麟，錄2掀錢部分餘於電子設 備中，且對接連接器可平行於電路板401的方向插入到對接腔15内，電連 φ电 The electrical connectors on electronic devices such as eMules and telephones are connected to realize signal transmission and reception. Conventional electrical connectors of this type generally include an insulative housing that is integrally formed with a mating surface that matches the size of the plug and a terminal that is received within the insulative housing. However, the electrical connector has the following problems: The height of the insulating body is too high, especially when the electrical connector is mounted on a computer memory card, the entire computer memory card is bulky, causing the user to Inconvenience in storage and carrying; 2) due to the volume of the insulating body, the mounting point of the electrical connector in the portable electronic device is greatly affected; 3) the exposed surface of the plugging surface is easy to make Dust adheres to the terminals, causing poor contact. In order to solve the above problems, the industry has devised a clamshell type electrical connector. The clamshell type electrical connector includes an insulative housing and a terminal received in the insulative housing. The insulative housing is a two-piece type, and includes a base and a cover pivotally connected to one end of the base. When the cover is opened, the base can be formed into a mating surface for receiving the plug, and when the cover is closed Can be folded. However, the base and cover of such a clamshell electrical connector tend to form a mating face that is inclined relative to the mounting surface of the base. The plug is inserted into the mating face substantially parallel to the upper surface of the inclined cover. Such a clamshell type electrical connector, which is tilted when the cover and the plug are both in use, still takes up a lot of space and causes inconvenience to the user, which is not very satisfactory. Based on the aforementioned deficiencies, it is necessary to improve the previous electrical connectors. SUMMARY OF THE INVENTION It is an object of the present invention to provide an electrical connector that can achieve a small volume of '201027854^' and is easy to operate when used or not in use. The present invention is achieved by the following technical solutions: an electrical connector comprising a base having a bottom surface forming a mounting surface, a cover pivotally coupled to one end of the base and open or closed relative to the base, and assembled to the base The inner terminal, when the cover is opened, a docking cavity for receiving the pair of connectors is formed between the cover and the base. The base is recessed downward to form a first portion at the bottom of the docking cavity and for receiving the docking connector. The cover is provided with a second surface parallel to the first surface and abutting the mating connector when the cover is open, the first surface being parallel to the mounting surface. Compared with the prior art, the first surface of the electrical connector of the present invention has a horizontal surface which enables horizontal insertion of the docking connector, thereby facilitating operation and enabling the electrical connector to be thin in size when used and not in use. The invention will now be further described in conjunction with the drawings and embodiments. [Embodiment] Referring to the first to third figures, the electrical connector 100 of the present invention is used for plugging the mating connector 2〇〇 (as shown in the sixth figure, the docking connector 2 is a commonly used standard in the industry. The plug, such as a phantom plug or a '(four) plug, etc., will not be described in detail in the present invention), the electrical connector 100 includes a base body 2 pivotally connected to the end of the base 1 and housed in the base! The terminal module 3 and the pointing device 4 assembled to the base 1 are provided. The cover 2 is opposite to the base! For the opening or closing movement, when the cover 2 is opened, the abutment cavity 15 for the mating connector 2 is formed between the cover 2 and the base 1. Referring to the fourth and fifth cymbals, the base is substantially frame-shaped, and includes a front wall 1 〇, a rear wall 11 near the rear side, and a left wall opposite to the front wall and the rear wall η, respectively. 12. Right wall 13. The wall encloses a hollow receiving cavity 14. The bottom surface of the pedestal forms a mounting surface 6 for mounting the electrical connector on the circuit board 300 (such as the sixth figure). The pedestal terminal module 3 is formed by injection molding, which includes plastic molding. W and terminal 32 located inside the plastic body. The terminal module 3 is fixed in the front wall and the rear wall of the receiving cavity 14 and is provided with a plurality of terminal slots (4) reading capacity terminals 32 _ sub-structures. An elongated chute 142 extending from the rear to the front and opening the cavity 14 is formed in the wall of the left and right walls 12 and the left side of the wall, and the two sides of the plastic are provided with a retaining portion 3 ι which is held in the chute 142. The terminal phantoms the plastic body out of the tan pin 321 , and the illuminating pin 321 is distributed at the bottom of the pedestal 1 and is accommodated and protrudes from the periphery of the pedestal 1 to facilitate the setting of other structures around the pedestal And 201027854: is advantageous for transporting the electrical connector 100. The outer side walls of the left and right walls 12, 13 of the base 1 are recessed inwardly with recesses 122, and the front wall surface of the left and right walls 12, 13 extends forwardly to form an opening 122. The pointing device 4 includes a body portion 41 housed in the housing groove 121, a head portion housed in the opening m, and a pin 43 extending beyond the left and right walls 12, 13. In order to prevent the indicating device 4 from being detached and protecting the indicating device, the notches of the receiving groove (2) are respectively provided with a protective cover 123 which is mounted from the side of the base i. The inner sides of the left and right walls 12 and 13 are respectively provided with holding holes 124 that penetrate the left and right walls 12 and 13 up and down at the front and rear positions. The four positioning pieces 5 are respectively received in the holding hole 124. The positioning ϋ 5 extends downwardly from the base 1 and can be held on the circuit board 3 〇〇 to provide the clamping force and retention of the electrical connector 1 . force. Further, at the middle of the bottom wall of the left and right walls 12, 13, a positioning post 125 is protruded from the wall to accurately position the electrical connector on the circuit board. The bottom surface of the front wall 10 is flush with the bottom surfaces of the left and right walls 12, 13, and the upper surface 1〇1 of the front wall 1〇 is recessed downward, which is significantly lower than the top surface 126 of the left and right walls 12, 13 and the left and right walls 12, The bosses 127 of the inner side walls of the projections 14 projecting toward the receiving chamber 14 are located at the same horizontal plane. The upper surface 1〇1 and the boss 127 together form a first surface 102 that is recessed downwardly by the base 1 and located at the bottom of the docking cavity 15 for receiving the docking connector 200 (as shown in FIG. 6). A surface 1〇2 is parallel to the mounting surface 16. A substantially V-shaped seating groove is recessed at the boundary between the upper surface 101 and the boss 127. The rear wall 11 is erected on the rear side of the left and right walls 12, 13 and the connecting boss 27 forms an abutment surface in the vertical surface φ 101 and, if necessary, against the mating connector 200 » the left and right walls 12, 13 The connecting portion 128 protrudes rearward from the rear wall 11 and has an arc-shaped connecting portion 128. The opposite inner sides of the connecting portion 128 are respectively provided with pivoting holes for pivoting a shaft 6. The cover body 2 is connected to the connecting portion 128' of the base 1 by the shaft 6 and a gj rotating spring 7 is sleeved at one end of the shaft 6, so that the cover body 2 can be automatically restored after being opened. The cover body 2 includes a main body portion 2 that covers the upper side of the base, and a front curtain 21 that is bent forward and extended from the front end of the main body portion 20 and covered on the front side, and a rear end from the main body portion 2b corresponds to the connecting portion 128. The bend extends and partially covers the rear portion 22 of the connecting portion 128. The main body portion 20 is substantially plate-shaped. The surface including the top wall and the bottom wall of the bottom wall is a flat surface (as shown in the first figure), and the bottom wall is uneven. The bottom wall is provided with two ribs 2〇1 parallel to each other from the front to the rear, and the rib 201 protrudes forwardly from the front curtain 21 to form a substantially triangular shape and can be correspondingly received in the positioning groove 1〇3. The portion 202 faces the rear portion 22 to form a second surface 5 abutting the mating connector 2 201027854: the surface 12G3 is parallel to the first surface 102. The bottom wall is on the outer side of the rib 201: the groove is moved. The ribs 201 extend rearwardly to the rear portion 22, and at the rear portion 221, the wheel portion 221 is correspondingly inserted through the supply 6 to be disposed 2=22^, so that the grasping p 128 and the wheel portion 221 are connected by the shaft 6. The middle position of the front curtain 21 is 51 1 capacity: 11211, and the side of the opening 2U is provided with a fastening portion for holding the butt connector 2°°. The fastening portion 212 is located at the front end surface and is located at the front end surface. The first surface of the mounting surface 16 and the first partition, when the cover 2 is closed, the cover 2 completely covers the base. The surface of the top wall 23 of the upper cover 2 is horizontally arranged parallel to the t-board, so that the electrical connector 1 The height of the crucible drops to the maximum of Ø and the 'cover Zhao 2 emblem cavity 14 is covered'. The Zen electric connection W00 prevents the entry of dust from adhering to the terminal when not in use, resulting in poor contact. Referring to the sixth and seventh figures, the electrical connector 1〇〇 is mounted on the user of the circuit board 3, and the cover 2 is opened upward, and the docking connector 2 (8) can be inserted. Subsequently, the docking connector continues to insert the cover body 2 relative to the rear end of the base 1 to rotate, and when the first abutting portion 223 disposed on the top edge of the rear portion 22 of the cover 2 abuts against the circuit board 300, That is, the first abutting portion is twisted against the plane on which the mounting surface 16 is located, and the second abutting portion 224 disposed on the wheel portion 221 and facing the edge of the front curtain 21 abuts against the left and right walls 12, 13 & When the rear end of the table 127, that is, the limiting device formed by the first abutting portion and the second abutting portion 224 restricts the cover 2 and cannot continue to rotate, the cover 2 and the base 1 maintain a specific angle, thereby The base 1 and the cover 2 are formed into a mating cavity 15 for the mating connector 2 to be inserted and removed. In the docking chamber 15, the first surface 〇2 is parallel to the mounting surface 16, and the mounting surface 16 is attached to the circuit board 300 and parallel to the circuit board 3〇〇, and the second surface 2〇3 is parallel to the first The surface 102 and the first and second surfaces are just between the mating connectors 2 〇〇. At this time, the first surface 102 is used to receive the bottom surface of the mating connector 2〇〇, and the second surface 2〇3 abuts the top surface of the mating connector 200. The recess 2〇5 of the cover 2 is used to receive the docking connector. The head of the 2 (8) and the latching portion 212 will cooperate with the latching arms of the mating connector 2 , to be fixed in the electrical connector _ docking cavity 15 . When the cover 2 is opened and the counter is turned on: the insertion connector 200 is in the horizontal state, the height can be minimized; and the cover 2 is rotated and then sinks and abuts against the circuit board 3〇〇. And at the same time abutting against the rear end of the base j, and the fastening portion 212 is formed on the front curtain of the cover body 2, so that the cover body 2 201027854 in the open position is also at the same lower level. . Therefore, the electrical connector 1 is thin and small regardless of its opening at a lower height. 8 is a schematic view of the ninth connection of the electronic device 100 mounted on the circuit board 401 and housed in the mounting cavity of the electronic device. The cover body 2 and the outer shape of the electronic device pin the surface of the top wall of the cover 2 is substantially parallel to the outer surface of the electronic device, so that the electrical connector 1 does not protrude from the periphery of the electronic device to achieve the desired accommodation effect, and The cover body 2 is provided with a secret to effectively prevent the ash from entering and protecting the fine device. The electric HH is in the lining, the part of the transcript is partially saved in the electronic device, and the docking connector can be inserted into the docking chamber 15 in the direction parallel to the circuit board 401, and the electrical connection φ
接器此時的高度約等於對接連接㈣高度，亦能達到理想的高度且方便 對接連接器的插拔。 綜上前述，本發明確已符合發明專利之要件，爰依法提出申請專利。 惟，以上所述者僅係本發明之較佳實施枝，本發伙翻並不以上述實 施方式爲限’舉凡熟習本案技藝之人士援依本發明之精神所作之等效修飾 或變化，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 第一圖係本發明電連接器閉合時之立體圖； 第二圖係第一圖另一角度之立體圖； 第三圖係本發明電連接器開啟時的立體圖； 第四圖係第三圖之立體分解圖； 第五圖係第四圖另一角度之立體分解圖； 第六圖係插頭插入電連接器時的立體圖； 第七圖係第六圖中沿νπ—训線剖開的剖視圖； 第八圖係本發明電連接器安裝於電子設備上的立體圖，其中電子設備 只顯示部分； ° 第九圖係第八圖開啟時的立體圖。 【主要元件符號說明】 電連接器 100 對接連接器 200 電路板 300 電子設備 400 電路板 401 基座 1 7 201027854 : 前壁 第一表面 後壁 左壁 收容槽 保護蓋 定位柱 凸台 收容腔 滑槽 ❹ 安裝面 主體部 凸部 寬邊 前簾 扣持部 輪部 第一抵持部 頂壁 塑膠體 ® 端子 指示裝置 頭部 定位片 回轉彈簧 上表面 101 安置槽 103 抵擋面 111 右壁 13 開口 122 固持孔 124 頂面 126 連接部 128 端子槽 141 對接腔 15 蓋體 2 肋條 201 第二表面 203 凹槽 205 開口 211 後部 22 轴孔 222 第二抵持部 224 端子模組 3 固持部 311 焊接腳 321 本體部 41 接腳 43 轴 6 8The height of the connector at this time is approximately equal to the height of the docking connection (4), and the desired height can be achieved and the docking connector can be easily inserted and removed. 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 above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-described embodiments. Those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a perspective view of the electrical connector of the present invention when closed; the second drawing is a perspective view of the first angle of the first embodiment; the third drawing is a perspective view of the electrical connector of the present invention when opened; 3 is an exploded perspective view of the third figure; the fifth figure is a perspective view of the other angle of the fourth figure; the sixth figure is a perspective view when the plug is inserted into the electrical connector; the seventh figure is the νπ-training line in the sixth figure Cutaway cross-sectional view; Figure 8 is a perspective view of the electrical connector of the present invention mounted on an electronic device, wherein the electronic device only displays a portion; ° ninth is a perspective view when the eighth figure is open. [Main component symbol description] Electrical connector 100 Butt connector 200 Circuit board 300 Electronic device 400 Circuit board 401 Base 1 7 201027854 : Front wall First surface Rear wall Left wall receiving groove Protective cover Positioning column boss receiving cavity chute ❹ Mounting surface Main body convex part Wide side Front curtain holding part Wheel part First resisting part Top wall plastic body® Terminal indicating device Head positioning piece Rotary spring upper surface 101 Positioning groove 103 Resisting surface 111 Right wall 13 Opening 122 Holding Hole 124 Top surface 126 Connection portion 128 Terminal groove 141 Docking cavity 15 Cover body 2 Rib 201 Second surface 203 Groove 205 Opening 211 Rear portion 22 Shaft hole 222 Second abutting portion 224 Terminal module 3 Holding portion 311 Welding leg 321 Body Part 41 pin 43 axis 6 8