M294139 八、新型說明： 【新型所屬之技術領域】 本創作係涉及一種卡緣連接器設計。 【先前技術】 目前，業界用以連接擴充卡與電路板的卡緣連接器， 通常設有一塑膠座體及一耳扣裝置，塑膠座體上設有若干 導電端子，其兩側設有塔形部，塔形部中設有收容耳扣裝 置的收容空間，收容空間兩側壁設有樞接孔，耳扣裝置樞 接於枢接孔中，該耳扣裝置可將擴充卡穩固的扣持於卡緣 連接器内，防止因震動脫離產生信號中斷，同時耳扣裝置 上還設有退卡機構，可通過耳扣的轉動將擴充卡退出卡緣 連接器中。但是隨著電子設備的發展，在運行過程中所產 生的電磁干擾也越來越嚴重，顯然會嚴重影響該種卡緣連 接器的正常運行。 因此，有必要設計一種新型的卡緣連接器，以克服上 述缺陷。 【新型内容】 本創作的目的乃在於提供一種卡緣連接器，能保證其 正常的運行。 為了達到上述創作目的，本創作卡緣連接器，用以將 擴充卡連接到電路板上，包括一設有中央插槽的縱長型絕 緣本體及若干導電端子，所述卡緣連接器還包括一包覆絕 緣本體的具有遮蔽作用的金屬殼體。 與現有技術相比較，本創作卡緣連接器，由於金屬殼 ^ M294139 體的设置，能遮蔽電磁干擾的影響，實現其正常的一。 【實施方式】 茲依附圖實施例將本創作之結構特徵及其他 目的詳細說明如下： 、 清參照第一圖至第四圖所示，本創作之卡緣連接器， 係用以將擴充卡（未圖示）連接到電路板（未圖示）上， 構成包括一縱長型絕緣本體i及包覆絕緣本體上的具有遮 蔽作用的金屬殼體2、若干導電端子3、兩頂出裝置4。 、絕緣本體1包括-對較長的邊㈣，邊壁1G間沿長轴 方向設有中央插槽1卜中央插槽_邊設有兩列與中央插 槽11形成連通的端子收容孔12，導電端子3收容於所述端 子收容孔12中，在絕緣本體丄兩端設有收容部13，以收容 頂出虞置4，δ亥收谷部13由兩較短的側壁丨3 1及一端壁1 所圍成，在收容部13_靠近端壁132的位置上設有土極接 軸孔（未圖示），以樞接頂出裝置4。 • 金屬殼體2為經衝壓成型的薄板狀，包括一主體20及 由主體20兩側向下彎折延伸的固持部21，所述主體⑼上設 ，中央插槽11相對應的通槽22。另，所述絕緣本體丄： 设有向上的凸起14，相應地，所述固持部21設有盥之配八 的固持槽21〇，可將所述金屬殼體2固定至所述絕緣本體 上（當然，所述絕緣本體上也可設有向下的凹陷空間，相 應地，所述固持部上設有可與之配合的固定塊，同樣能達 到將金屬殼體固定至絕緣本體上的作用）。 頂出裝置4樞接於收容部13中，包括主體部41及由主 6 M294139 體部41末端延伸而出的頂出部42,以頂出對接的擴充卡， 主體，Ml上⑤有貫穿主體的長糾，長槽4场中間位置設 =臂：，主體部41兩側在靠近連接臂44的位置處設有 ==裝置4在收容部13中旋轉至閉合狀態時， 突起45可切於— 卜在主體料的細5下的適當 位二T6,用以與收容部13内側的枢接轴孔相配合 ，由設有頂出部42相對的另-端向上延伸並向外 傾斜。又作口M7 ’與知作部47相對的一另側向内延伸設 有突出部48 ’該突出部48可與擴充卡兩侧所設的凹部相卡 合，將擴充卡穩固的固宕^^上Μ + ^ 疋於卡緣連接器上，以實現擴充卡 與電路板的電性連接。 本们作卡4：連接$，由於金屬殼體的設置，能遮蔽電 磁干擾的影響，實現其正常的運行。 【圖式簡單說明】 第一圖為本創作的立體組合圖； 第二圖為本創作的立體分解圖； 第三圖為本創作卡緣連接器頂出裝置的示意圖。 第四圖是本創作卡緣連接器絕緣本體的示意圖。 M294139 【主要元件符號說明】 1 絕緣本體 10 邊壁 11 中央插槽 12 端子收容 13 收容部 131 側壁 132 端壁 14 凸起 2 金屬殼體 20 主體 21 固持部 210 固持槽 22 通槽 3 導電端子 4 頂出裝置 41 主體部 42 頂出苟5 43 長槽 44 連接臂 45 突起 46 轉軸 47 操作部 48 突出部M294139 VIII. New description: [New technical field] This creation relates to a card edge connector design. [Prior Art] At present, the card edge connector for connecting an expansion card and a circuit board is generally provided with a plastic base body and an ear button device. The plastic seat body is provided with a plurality of conductive terminals, and the two sides are provided with a tower shape. And a accommodating space for accommodating the ear button device, wherein the two side walls of the accommodating space are provided with pivoting holes, and the ear button device is pivotally connected in the pivoting hole, and the ear button device can securely hold the expansion card In the card edge connector, the signal interruption is prevented from being separated due to vibration, and the card fastening mechanism is further provided with an ejecting mechanism, and the expansion card can be ejected from the card edge connector by the rotation of the ear button. However, with the development of electronic equipment, the electromagnetic interference generated during operation is becoming more and more serious, which obviously affects the normal operation of the card edge connector. Therefore, it is necessary to design a new type of card edge connector to overcome the above drawbacks. [New content] The purpose of this creation is to provide a card edge connector to ensure its normal operation. In order to achieve the above-mentioned creative purpose, the present card edge connector is used for connecting the expansion card to the circuit board, comprising a longitudinally-shaped insulating body provided with a central slot and a plurality of conductive terminals, the card edge connector further comprising A metal housing having a shielding effect covering the insulative housing. Compared with the prior art, the creative card edge connector can shield the influence of electromagnetic interference and realize its normal one due to the setting of the metal shell ^ M294139 body. [Embodiment] The structural features and other purposes of the present invention are described in detail below with reference to the accompanying drawings: As shown in the first to fourth figures, the card edge connector of the present invention is used to expand the card ( It is connected to a circuit board (not shown), and comprises a longitudinally-shaped insulating body i and a shielding metal shell 2, a plurality of conductive terminals 3, and two ejector devices 4 on the covering insulating body. . The insulative housing 1 includes a pair of long sides (four), and a central slot 1 is disposed along the long axis direction between the side walls 1G. The central slot 1 is provided with two rows of terminal receiving holes 12 communicating with the central slot 11 . The conductive terminal 3 is received in the terminal receiving hole 12, and the receiving portion 13 is disposed at both ends of the insulating body to accommodate the ejection device 4, and the δH valley portion 13 is composed of two shorter side walls 丨3 1 and one end. The wall 1 is surrounded by a soil pole connection hole (not shown) at a position close to the end wall 132 of the accommodating portion 13_ to pivotally connect the ejector unit 4. The metal casing 2 is formed into a thin plate shape, and includes a main body 20 and a retaining portion 21 which is bent downwardly from both sides of the main body 20. The main body (9) is provided with a corresponding slot 22 of the central slot 11. . In addition, the insulating body 丄 is provided with an upward protrusion 14 , and correspondingly, the holding portion 21 is provided with a fixing groove 21 盥 of the 配 八 , , , , , , , , , , , , , , , , , , , , , , , , , , Upward (of course, the insulating body may also be provided with a downward recessed space. Correspondingly, the retaining portion is provided with a fixing block that can be matched thereto, and the metal shell can also be fixed to the insulating body. effect). The ejector device 4 is pivotally connected to the accommodating portion 13 and includes a main body portion 41 and an ejector portion 42 extending from the end of the main body M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M The long correction, the middle position of the long slot is set to = arm: the both sides of the main body portion 41 are located near the connecting arm 44 == When the device 4 is rotated to the closed state in the receiving portion 13, the protrusion 45 can be cut — The appropriate position two T6 under the thin portion 5 of the main body material is matched with the pivoting shaft hole on the inner side of the accommodating portion 13, and is extended upward from the other end provided with the ejector portion 42 and inclined outward. Further, the mouth M7' is opposite to the known portion 47 and is provided with a protruding portion 48'. The protruding portion 48 can be engaged with the concave portion provided on both sides of the expansion card to stabilize the expansion card. ^Upper + ^ 疋 on the card edge connector to achieve electrical connection between the expansion card and the board. Let's make card 4: connect $, because of the metal housing setting, it can shield the influence of electromagnetic interference and achieve its normal operation. [Simple diagram of the diagram] The first diagram is a three-dimensional combination diagram of the creation; the second diagram is an exploded perspective view of the creation; the third diagram is a schematic diagram of the ejection card connector ejection device. The fourth figure is a schematic view of the insulating body of the card edge connector of the present invention. M294139 [Description of main components] 1 Insulation body 10 Side wall 11 Center slot 12 Terminal housing 13 Housing 131 Side wall 132 End wall 14 Projection 2 Metal housing 20 Main body 21 Retaining part 210 Retaining groove 22 Passing groove 3 Conducting terminal 4 Ejecting device 41 Main body portion 42 Ejecting 苟 5 43 Long groove 44 Connecting arm 45 Protrusion 46 Rotating shaft 47 Operating portion 48 Projection portion