M379241 五、新型說明： 【新型所屬之技術領域】 [0001] 本創作係關於一種卡緣連接器，尤其涉及一種具有固定 件之卡緣連接器。 【先前技術】 [0002] 卡緣連接器係一種設置於電路板上，且可插接一電子卡（ 如繪圖卡）以實現電路板和電子卡之間電連接之連接器。 相關習知技術可以參考中國大陸實用新型專利公告第 2391 314號揭示之一種卡緣連接器，該卡緣連接器包括絕 緣本體、收容於絕緣本體内的複數導電端子及固定於絕 • 緣本體底部的固定件，絕緣本體包括兩側壁、兩端壁及 由側壁與端壁圍成之中央插槽，兩側壁分別開設有與中 央插槽相連通之端子收容槽，絕緣本體底部設有固定槽 。固定件包括向上組裝於固定槽内的固定部及自固定部 向下延伸出絕緣本體的固定腳，該固定腳收容於電路板 安裝孔内後與安裝孔内側壁相互干涉固定。導電端子包 括固持於端子收容槽内的固持部、自固持部凸伸入中央 插槽内用以與電子卡接觸之接觸部及自固持部向下延伸 出絕緣本體焊接至電路板上的焊接部，固持部外側設有 與端子收容槽内側壁相干涉之倒刺，絕緣本體還設有自 其中一端壁向外凸伸之耳扣，耳扣内侧凸設有鎖卡部， 當電子卡插接於絕緣本體中央插槽内時，鎖卡部定位於 電子卡端部缺口内而將電子卡固定於絕緣本體上。 [0003] 固定件與電路板安裝孔内側壁相互干涉固定，以致固定 件與電路板之間的固定力較小，導電端子焊接於電路板 表單編號A0101 第3頁/共23頁 M379241 上，導電端子與電路板之間的固持力較大。安裝有該卡 緣連接器的電子產品不慎從高處跌落或受到外界碰撞時 ，插接於絕緣本體上的電子卡會產生一定時間的高速運 動，由於慣性的作用，當電子產品即電路板停止運動時 ，電子卡與絕緣本體繼續保持原有的高速運動，導致絕 緣本體與導電端子產生錯位，以致影響了電子卡與導電 端子的電性連接可靠性，進一步影響了電子卡與電路板 之間的連接。 [0004] 是以，有必要設計一種卡緣連接器以解決上述技術問題 〇 【新型内容】 [0005] 本創作之主要目的在於提供一種具有可保證電子卡與電 路板穩定連接之卡緣連接器。 [0006] 本創作之目的係藉由如下技術方案達成的：一種卡緣連 接器，係用以安裝於電路板上，其包括：絕緣本體，係 凹設有用以收容電子卡的中央插槽，所述絕緣本體設有 向下貫穿出絕緣本體的收容部；導電端子，係包括與絕 緣本體相固持之固持部、自固.持部延伸入中央插槽内的 接觸部及自固持部向下延伸出絕緣本體用以焊接至電路 板上的焊接部；鎖卡機構，係設於絕緣本體上，用以將 電子卡固定於絕緣本體上；以及固定件，係包括收容於 收容部内的固定部及自固定部向下延伸出絕緣本體的用 以焊接至電路板的焊接腳，固定部設有向外側凸伸之台 階部；其中，所述收容部内側設有向上支撐台階部之支 撐部，用以限制絕緣本體相對固定件向上移動。 表單编號A0101 第4頁/共23頁 M379241 [0007] 相較於習知技術，本創作具有如下增進功效：由於絕緣 本體支撐部向上支撐固定件台階部及固定件的焊接腳與 電路板相焊接固定，從而阻止了絕緣本體相對固定件向 上移動及固定件脫離電路板的焊接固定，當電子產品不 慎從高處跌落或受到外界碰撞，插接於卡緣連接器上的 電子卡不會帶動絕緣本體相對電路板及導電端子向上移 動，避免了導電端子與電子卡接觸錯位，保證了電子卡 與電路板的穩定連接。 【實施方式】 [0008] 請參閱第一圖至第三圖所示，本創作第一實施方式中卡 緣連接器100安裝於電路板（未圖示）上供具有PCIe介面 的電子卡（未圖示）插接，其包括縱長絕緣本體1、複數 導電端子2及固定件3。 [0009] 絕緣本體1包括相對設置之兩側壁11及沿縱長方向相對設 置之第一、第二端壁Ϊ2、13，一中央插槽14位於第一、 第二端壁12、13及兩側壁11之間，用以插接電子卡。兩 側壁11上分別開設有複數端子收容槽110。絕緣本體1還 包括自第一端壁12遠離第二端壁13方向凸伸之鎖卡機構 15及平台16，鎖卡機構15與平台16相連。鎖卡機構15包 括分別自第一端壁12凸伸並平行之彈性臂151、阻擋臂 152，阻擋臂152位於彈性臂151外側，用以限制彈性臂 151向外側過度變形，避免彈性臂151被扳斷，彈性臂 151的内側表面凸設有可卡扣於電子卡缺口（未圖示）内之 鎖卡部153，鎖卡部153頂部設有導引電子卡插入之傾斜 面154，彈性臂151之自由末端為扳手部155。 表單编號A0101 第5頁/共23頁 [0010] 平台16係自第一端壁12底部向外側凸伸而成，絕緣本體J 設有固持固定件3之收容部160，收容部160沿上下方向貫 牙絕緣本體1，收容部160包括上收容部161及自上收容部 161向下延伸的下收容部162，上收容部161形成於鎖卡 機構15、平台16及第一端壁12之間，.平台16的上表面為 水平的第一抵壓面即支撐部164，下收容部162位於平台 16與第一端壁12之間。 [0011] 導電端子2包括固定於端子收容槽11〇内的固持部21、自 固持部21凸伸入十央插槽14内之接觸部22及固持部21向 下延伸出絕緣本體1並焊接至電路板的焊接部23。 [0012] 固定件3整體大致為「T」型的金屬片狀結構，其包括固 疋部31及自固定部31向下延伸出絕緣本體1的焊接腳π , 固定部31包括上固定部311及自上固定部311向下延伸之 與焊接腳32相連之下固定部312，上固定部311兩相對側 具有向外側凸伸超過下固定部312的台階部313，台階部 313具有與絕緣本體1支標部164相抵壓之第二抵壓面314 ，焊接腳32用以收容於電路板安裝孔後進行焊接，增加 固定件3與電路板之間的固持效果。 [0013] 本創作第一實施方式中的卡緣連接器1〇〇組裝時，首先， 將導電端子2固定於絕緣本體1上。其次，將固定件3由上 向下組裝於絕緣本體1上，上固定部311收容於上收容部 161内並靠貼於第一端壁12外表面上，台階部313的第二 抵壓面314向下抵壓於支撐部164上，由於第二抵壓面 314與支撐部164均為水平面，是以，支撐部ία能較大 程度的阻止固定件3向下移動，即阻止絕緣本體丨相對固 表單編號A0101 第6頁/共23頁 定件3向上移動，下固定部312收容於下收容部162内，下 固定部31 2外側設有與下收容部16 2内側壁干涉之複數凸 刺。 [0014] 電子卡插接於該卡緣連接器100内，鎖卡機構15的鎖卡部 152與電子卡缺口相卡扣，將電子卡緊密的固持於絕緣本 體1上，可阻止電子卡與絕緣本體1產生相對移動，導電 端子2、固定件3分別焊接於電路板上，使得導電端子2、 固定件3與電路板的結合力度較大，另外，固定件3的台 階部313向下抵壓於支撐部164上，阻止了絕緣本體1相對 固定件3向上移動，當安裝有該卡緣連接器100的電子產 品不慎從高處跌落或受到外界碰撞，插接於卡緣連接器 100上的電子卡不會帶動絕緣本體1相對電路板及導電端 子2向上移動，避免了導電端子2接觸部22與電子卡接觸 錯位，保證了電子卡與電路板的穩定連接。 [0015] 請參第四圖至第六圖所示，本創作第二實施方式中的卡 緣連接器200，該卡緣連接器200的固定件6與螺釘結構相 近似，其固定部61包括上圓柱部611及自上圓柱部611向 下凸伸之下圓柱部612，台階部61 3自上圓柱部611向外 側凸伸超過下圓柱部612，使得上圓柱部611的水平截面 寬度大於下圓柱部612，上圓柱部611的水平截面為大於 180度的扇型，其内側設有靠貼於絕緣本體4第一端壁42 外表面上的垂直平面，下收容部662與下圓柱部612相對 應為圓型，焊接腳62亦設置為圓型，焊接腳62向下延伸 出絕緣本體4並與電路板安裝孔相焊接固定。第三實施方 式中卡緣連接器200的固定件6向下組裝於絕緣本體4上， 表單编號A0101 第7頁/共23頁 其台階部613向下抵壓於平台66支撐部664上的水平第二 抵壓面，支撐部664具有與第二抵壓面對接之水平第—抵 壓面，如此設計，亦能達到第一實施方式中阻止絕緣本 體4相對電路板及導電端子5向上移動之作用，避免了導 电端子5接觸部52與電子卡接觸錯位，保證了電子卡與電 路板的穩定連接。 [0016]請參第七圖至第十圖所示，本創作第三實施方式中的卡 緣連接器300的收容部760沿上下方向貫穿於第一端壁72 上，固定件9為片狀結構，其固定部91為Γυ」型構造， 固定部91設有向上延伸的一對間隔設置之延伸臂911，台 階部913係自該兩延伸臂911的頂端外側並反向凸伸而成 ，固定件9向下組裝於絕緣本體7上，台階部913與收容部 760内的支撐部764相抵壓，支撐部764具有支撐台階部 913的水平第一抵壓面，台階部913具有與第一抵壓面對 接之第二抵壓面，焊接腳92向下延伸出絕緣本體7並與電 路板安裝孔相焊接固定，該卡緣連接器3〇〇亦能達到第一 實施方式中阻止絕緣本體7相對電路板及導電端子8向上 移動的作用，避免了導電端子8接觸部82與電子卡接觸錯 位，保證了電子卡與電路板的穩定連接。 [00Π]當然，於本創作之其他實施方式中，鎖卡機構與絕緣本 體分開設置後，鎖卡機構固定於絕緣本體一端，固定件 固持於鎖卡機構上，如是亦可以達成本創作之目的 [〇〇18]综上所述，本創作符合新型專利要件，爰依法提出專利. 申4 °惟，以上所述者僅為本創作之較佳實施例，本創 作之範圍並不以上述實施例為限，舉凡熟習本案技藝之 第8頁/共23頁 表單編號A0101 M379241 人士援依本創作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】 [0019] 第一圖係本創作第一實施方式中卡緣連接器之立體組合 圖。 [0020] 第二圖係本創作第一實施方式中卡緣連接器之立體分解 圖。 [0021] 第三圖係第一圖沿ΠΙ _ ΠΙ方向之剖視圖。 [0022] 第四圖係本創作第二實施方式中卡緣連接器之立體組合 圖。 [0023] 第五圖係本創作第二實施方式中卡緣連接器之立體分解 圖。 [0024] 第六圖係第四圖沿VI_ VI方向之剖視圖。 [0025] 第七圖係本創作第三實施方式中卡緣連接器之立體組合 圖。 [0026] 第八圖係本創作第三實施方式中卡緣連接器另一角度之' 立體組合圖。 [0027] 第九圖係本創作第三實施方式中卡緣連接器之立體分解 圖。 [0028] 第十圖係第七圖沿X-X方向之剖視圖。 【主要元件符號說明】 [0029] 卡緣連接器：100、200、300 表單編號A0101 第9頁/共23頁 M379241 [0030] 絕緣本體：1、4、7 [0031] 側壁：11 [0032] 端子收容槽：110 [0033] 第一端壁：12、42、72 [0034] 第二端壁：13 [0035] 中央插槽：14 [0036] 鎖卡機構：15 [0037] 彈性臂：151 [0038] 阻擋臂：152 [0039] 鎖卡部：153 [0040] 傾斜面：154 [0041] 扳手部：155 [0042] 平台：16、66 [0043] 收容部：160、760 [0044] 上收容部：161 [0045] 下收容部：162 [0046] 支撐部：164、664、764 [0047] 導電端子：2、5、8 [0048] 固持部：21 表單編號A0101 第10頁/共23頁 M379241 [0049] 接觸部：22、52、82 [0050] 焊接部：23 [0051] 固定件：3、6、9 [0052] 固定部：31、61、91 [0053] 上固定部：311 [0054] 下固定部：312 [0055] 台階部：313、613、913 [0056] 第二抵壓面：314 [0057] 焊接腳：32 ' 62 ' 92 [0058] 上圓柱部：611 [0059] 下圓柱部：612 [0060] 延伸臂：911 表單编號A0101 第11頁/共23頁M379241 V. New description: [New technical field] [0001] This paper relates to a card edge connector, and more particularly to a card edge connector having a fixing member. [Prior Art] [0002] A card edge connector is a connector that is disposed on a circuit board and can be plugged with an electronic card (such as a graphics card) to implement electrical connection between the circuit board and the electronic card. A card edge connector disclosed in the Chinese Patent Application Laid-Open No. 2391 314, the card edge connector includes an insulative housing, a plurality of conductive terminals received in the insulating body, and a bottom portion fixed to the edge of the insulating body The fixing body comprises two side walls, two end walls and a central slot surrounded by the side wall and the end wall. The two side walls respectively have a terminal receiving groove communicating with the central slot, and the bottom of the insulating body is provided with a fixing groove. The fixing member includes a fixing portion that is assembled upward in the fixing groove and a fixing leg that extends downward from the fixing portion. The fixing leg is received in the mounting hole of the circuit board and interferes with the inner side wall of the mounting hole. The conductive terminal includes a holding portion that is retained in the terminal receiving groove, a contact portion that protrudes from the retaining portion into the central slot for contacting with the electronic card, and a solder portion that extends downward from the retaining portion and is soldered to the circuit board. The outer side of the holding portion is provided with a barb that interferes with the inner side wall of the terminal receiving groove, and the insulating body further has an ear buckle protruding outward from one end wall thereof, and the inner side of the ear buckle is convexly provided with a locking card portion, when the electronic card is inserted into the When the inner wall of the insulative housing is in the inner slot of the insulative housing, the locking portion is positioned in the notch of the end of the electronic card to fix the electronic card to the insulative housing. [0003] The fixing member and the inner side wall of the mounting hole of the circuit board interfere with each other so that the fixing force between the fixing member and the circuit board is small, and the conductive terminal is soldered to the circuit board Form No. A0101, page 3 / 23, M379241, conductive The holding force between the terminal and the circuit board is large. When an electronic product mounted with the card edge connector is accidentally dropped from a height or is subjected to an external collision, the electronic card inserted into the insulative housing may generate a high-speed movement for a certain period of time, and the electronic product is a circuit board due to inertia. When the motion is stopped, the electronic card and the insulating body continue to maintain the original high-speed motion, resulting in misalignment between the insulating body and the conductive terminals, thereby affecting the reliability of the electrical connection between the electronic card and the conductive terminals, further affecting the electronic card and the circuit board. The connection between the two. [0004] Therefore, it is necessary to design a card edge connector to solve the above technical problem. [New content] [0005] The main purpose of the present invention is to provide a card edge connector with a stable connection between the electronic card and the circuit board. . [0006] The purpose of the present invention is achieved by the following technical solution: a card edge connector for mounting on a circuit board, comprising: an insulative housing recessed with a central slot for receiving an electronic card; The insulative housing is provided with a receiving portion that extends downwardly from the insulative housing. The conductive terminal includes a holding portion that is fixed to the insulative housing, a contact portion that extends from the solid portion into the central slot, and a self-holding portion. Extending the insulating body for soldering to the soldering portion on the circuit board; the locking mechanism is disposed on the insulating body for fixing the electronic card to the insulating body; and the fixing member includes a fixing portion received in the receiving portion And a soldering leg extending from the fixing portion to the circuit board for soldering to the circuit board, wherein the fixing portion is provided with a step portion protruding outward; wherein the inner side of the receiving portion is provided with a supporting portion for supporting the step portion upwardly, The upper insulating body is restrained from moving upward relative to the fixing member. Form No. A0101 Page 4 of 23 M379241 [0007] Compared with the prior art, the present invention has the following enhancement effects: the insulating body support portion supports the step portion of the fixing member and the soldering leg of the fixing member and the circuit board The welding is fixed, thereby preventing the insulating body from moving upward relative to the fixing member and the fixing member being detached from the welding of the circuit board. When the electronic product is accidentally dropped from a high place or is subjected to an external collision, the electronic card inserted into the card edge connector does not The insulating body is driven to move upward relative to the circuit board and the conductive terminals, thereby avoiding the contact between the conductive terminals and the electronic card, thereby ensuring a stable connection between the electronic card and the circuit board. [Embodiment] Referring to the first to third figures, in the first embodiment of the present invention, the card edge connector 100 is mounted on a circuit board (not shown) for an electronic card having a PCIe interface (not shown). The plugging includes a lengthwise insulating body 1, a plurality of conductive terminals 2, and a fixing member 3. [0009] The insulative housing 1 includes two opposite sidewalls 11 and first and second end walls 2, 13 disposed opposite each other in the longitudinal direction. A central slot 14 is located at the first and second end walls 12, 13 and Between the side walls 11, for plugging in an electronic card. A plurality of terminal receiving slots 110 are defined in the two side walls 11 respectively. The insulative housing 1 further includes a latching mechanism 15 and a platform 16 projecting from the first end wall 12 away from the second end wall 13 , and the latching mechanism 15 is connected to the platform 16 . The locking mechanism 15 includes a resilient arm 151 and a blocking arm 152 respectively protruding from the first end wall 12 and parallel. The blocking arm 152 is located outside the elastic arm 151 to restrict the elastic arm 151 from being excessively deformed to the outside, so as to prevent the elastic arm 151 from being The inner surface of the elastic arm 151 is convexly provided with a locking portion 153 that can be buckled in the electronic card notch (not shown). The top of the locking portion 153 is provided with an inclined surface 154 for guiding the insertion of the electronic card, and the elastic arm The free end of 151 is a wrench portion 155. Form No. A0101 Page 5 of 23 [0010] The platform 16 is formed by projecting from the bottom of the first end wall 12 to the outside. The insulative housing J is provided with a receiving portion 160 for holding the fixing member 3, and the receiving portion 160 is up and down. The accommodating body 1 includes an upper receiving portion 161 and a lower receiving portion 162 extending downward from the upper receiving portion 161. The upper receiving portion 161 is formed on the locking mechanism 15, the platform 16, and the first end wall 12. The upper surface of the platform 16 is a horizontal first pressing surface, that is, a supporting portion 164, and the lower receiving portion 162 is located between the platform 16 and the first end wall 12. [0011] The conductive terminal 2 includes a holding portion 21 fixed in the terminal receiving groove 11〇, a contact portion 22 protruding from the holding portion 21 into the ten-chamber socket 14, and the holding portion 21 extending downwardly from the insulating body 1 and soldered To the soldering portion 23 of the board. [0012] The fixing member 3 has a substantially "T"-shaped metal sheet-like structure, and includes a fixing portion 31 and a welding leg π extending downward from the fixing portion 31 to the insulating body 1. The fixing portion 31 includes an upper fixing portion 311. And a fixing portion 312 extending downward from the upper fixing portion 311 and connected to the welding leg 32. The opposite sides of the upper fixing portion 311 have a step portion 313 protruding outward beyond the lower fixing portion 312, and the step portion 313 has an insulating body The second pressing surface 314 against which the measuring portion 164 is pressed is used for receiving the soldering leg 32 for soldering after the mounting hole of the circuit board, thereby increasing the holding effect between the fixing member 3 and the circuit board. [0013] When the card edge connector 1A of the first embodiment of the present invention is assembled, first, the conductive terminal 2 is fixed to the insulative housing 1. Next, the fixing member 3 is assembled from the top to the bottom of the insulative housing 1 , and the upper fixing portion 311 is received in the upper receiving portion 161 and abuts against the outer surface of the first end wall 12 , and the second pressing surface of the step portion 313 . The 314 is pressed down against the support portion 164. Since the second pressing surface 314 and the supporting portion 164 are both horizontal, the supporting portion ία can prevent the fixing member 3 from moving downward to a large extent, that is, the insulating body is prevented from being smashed. The fixed part number A0101 is the sixth part of the fixed sheet 3, and the lower fixing part 312 is accommodated in the lower receiving portion 162. The outer side of the lower fixing portion 31 2 is provided with a plurality of convexities interfering with the inner side wall of the lower receiving portion 16 2 . thorn. [0014] The electronic card is inserted into the card edge connector 100, and the locking portion 152 of the card locking mechanism 15 is buckled with the electronic card notch, and the electronic card is tightly held on the insulative housing 1 to prevent the electronic card from being The insulating body 1 is relatively moved, and the conductive terminal 2 and the fixing member 3 are respectively soldered on the circuit board, so that the bonding strength of the conductive terminal 2, the fixing member 3 and the circuit board is large, and the step portion 313 of the fixing member 3 is pressed downward. Pressing on the support portion 164 prevents the insulating body 1 from moving upward relative to the fixing member 3. When the electronic product mounted with the card edge connector 100 is accidentally dropped from a height or is subjected to an external collision, the card edge connector 100 is inserted. The upper electronic card does not drive the insulating body 1 to move upward relative to the circuit board and the conductive terminal 2, thereby avoiding the contact between the contact portion 22 of the conductive terminal 2 and the electronic card, thereby ensuring a stable connection between the electronic card and the circuit board. [0015] Referring to the fourth to sixth figures, in the card edge connector 200 of the second embodiment of the present invention, the fixing member 6 of the card edge connector 200 is similar to the screw structure, and the fixing portion 61 thereof includes The upper cylindrical portion 611 and the lower cylindrical portion 611 project downwardly from the lower cylindrical portion 612. The step portion 61 3 projects outward from the upper cylindrical portion 611 beyond the lower cylindrical portion 612 such that the horizontal section width of the upper cylindrical portion 611 is larger than the lower cylindrical portion. 612, the upper cylindrical portion 611 has a horizontal cross section of more than 180 degrees, and has a vertical plane on the inner surface of the first end wall 42 of the insulative housing 4, and the lower receiving portion 662 is opposite to the lower cylindrical portion 612. Corresponding to a circular shape, the soldering legs 62 are also provided in a circular shape, and the soldering legs 62 extend downwardly from the insulative housing 4 and are fixed to the mounting holes of the circuit board. In the third embodiment, the fixing member 6 of the card edge connector 200 is assembled downward on the insulative housing 4, and the step number A0101 is 7th/23th, and the step portion 613 thereof is pressed downward against the support portion 664 of the platform 66. The horizontal second pressing surface, the supporting portion 664 has a horizontal first pressing surface that is in contact with the second pressing surface, and is designed to prevent the insulating body 4 from opposing the circuit board and the conductive terminal 5 in the first embodiment. The function of the movement avoids the misalignment of the contact portion 52 of the conductive terminal 5 with the electronic card, thereby ensuring a stable connection between the electronic card and the circuit board. [0016] Referring to the seventh to tenth drawings, the accommodating portion 760 of the card edge connector 300 in the third embodiment of the present invention penetrates the first end wall 72 in the up and down direction, and the fixing member 9 is in the form of a sheet. The fixing portion 91 has a Γυ"-type structure, and the fixing portion 91 is provided with a pair of spaced-apart extending arms 911 extending upwardly, and the step portion 913 is formed by extending outward from the top end of the extending arms 911. The fixing member 9 is assembled downward on the insulative housing 7, and the step portion 913 is pressed against the supporting portion 764 in the receiving portion 760. The supporting portion 764 has a horizontal first pressing surface supporting the step portion 913, and the step portion 913 has the first portion. Pressing the second abutting surface of the facing surface, the soldering leg 92 extends downwardly from the insulating body 7 and is fixedly soldered to the mounting hole of the circuit board, and the card edge connector 3 can also prevent the insulation in the first embodiment. The upward movement of the body 7 relative to the circuit board and the conductive terminals 8 prevents the contact portion 82 of the conductive terminals 8 from being misaligned with the electronic card, thereby ensuring a stable connection between the electronic card and the circuit board. [00Π] Of course, in other embodiments of the present invention, after the locking mechanism is separately disposed from the insulating body, the locking mechanism is fixed to one end of the insulating body, and the fixing member is fixed on the locking mechanism, and the purpose of the creation may also be achieved. [〇〇18] In summary, the creation complies with the new patent requirements and patents are filed according to law. However, the above is only the preferred embodiment of the creation, and the scope of this creation is not implemented as described above. For example, the 8th/Total 23 page form number A0101 M379241 of the skill of the present invention shall be covered by the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0019] The first figure is a three-dimensional combination diagram of a card edge connector in the first embodiment of the present invention. [0020] The second drawing is an exploded perspective view of the card edge connector in the first embodiment of the present invention. [0021] The third figure is a cross-sectional view of the first figure along the ΠΙ _ ΠΙ direction. [0022] The fourth figure is a perspective assembled view of the card edge connector in the second embodiment of the present invention. [0023] The fifth drawing is an exploded perspective view of the card edge connector of the second embodiment of the present invention. [0024] The sixth drawing is a cross-sectional view of the fourth figure taken along the VI_VI direction. [0025] The seventh figure is a three-dimensional combination diagram of the card edge connector in the third embodiment of the present creation. The eighth figure is a 'three-dimensional combination diagram of another angle of the card edge connector in the third embodiment of the present invention. [0027] The ninth drawing is an exploded perspective view of the card edge connector of the third embodiment of the present invention. [0028] The tenth drawing is a cross-sectional view of the seventh drawing in the X-X direction. [Main component symbol description] [0029] Card edge connector: 100, 200, 300 Form number A0101 Page 9 / Total 23 pages M379241 [0030] Insulating body: 1, 4, 7 [0031] Side wall: 11 [0032] Terminal receiving slot: 110 [0033] First end wall: 12, 42, 72 [0034] Second end wall: 13 [0035] Central slot: 14 [0036] Locking mechanism: 15 [0037] Elastic arm: 151 [0038] Blocking arm: 152 [0039] Locking card portion: 153 [0040] Inclined surface: 154 [0041] Wrench portion: 155 [0042] Platform: 16, 66 [0043] Housing: 160, 760 [0044] Housing: 161 [0045] Lower housing: 162 [0046] Support: 164, 664, 764 [0047] Conductive terminals: 2, 5, 8 [0048] Hold: 21 Form No. A0101 Page 10 of 23 Page M379241 [0049] Contact: 22, 52, 82 [0050] Weld: 23 [0051] Fixing member: 3, 6, 9 [0052] Fixing portion: 31, 61, 91 [0053] Upper fixing portion: 311 Lower fixing portion: 312 [0055] Step portion: 313, 613, 913 [0056] Second pressing surface: 314 [0057] Welding foot: 32 '62 '92 [0058] Upper cylindrical portion: 611 [0059] Lower cylinder: 612 [0060] Extension Arm: 911 Form No. A0101 Page 11 of 23