M296504 八、新型說明： 【新型所屬之技藝領域】 本創作係關於一種電子卡連接器，尤其係關於一種具有 限定電子卡插入位置功能的電子卡連接器。 【先前技藝】 為了適應不同的應用需求，同一種ExpressCard卡被設計 為兩種不同之尺寸規格，其中大多數的ExpressCard卡的設 I 計採用長方形的寬度為34mm的ExpressCard /34卡（以下稱 “小卡”）。然而對一些較特別的應用，例如用於適應 SmartMedia或CompactFlash讀卡器等應用，則需要使用乙形 的最大寬度為54mm的ExpressCard/54卡（以下稱“大卡，，）。 實際上，PC廠商根據於功能完全化及産品小型化趨勢的 考慮’通常是將讀取這兩種卡之功能整合在同一電子卡連 接器中。然由於此類電子卡連接器的插卡空間須容納大卡 的尺寸，若插入小卡時，則由於插卡空間過大無法固定而 • 造成卡與連接器的接觸不穩定。為解決此一問題，現有的 電子卡連接器是採用在遮蔽殼體上設置一限位部，在小卡 插入時可抵於小卡一側的導引緣上從而防止小卡的晃動。 該種限位部通常是自遮蔽殼體上直接延伸的金屬片，雖作 圓滑處理然仍易劃傷電子卡。另一方面現有的限位部大都 是與電子卡插入方向同向延伸，加之是抵於淺窄的導弓i緣 上’因而限位效果並不理想。插入的小卡在受外力衝撞下 極易出現限位部滑過導引緣，而限位部被頂於小卡上方失 去限位作用。或者限位部被蠻折向一側不能恢復，甚至益 107046.doc M296504 法緊抵電子卡進而導致其晃動。 因此如何在同-電子卡連接器中相容上述兩種規格的 吻⑽㈣電子卡，並保證各卡與電子卡連接ϋ連接的穩 疋性，仍需業界作進一步研究。 【新型内容】M296504 VIII. New Description: [New Technology Field] This creation is about an electronic card connector, especially for an electronic card connector with a function to limit the insertion position of an electronic card. [Previous Skills] In order to adapt to different application requirements, the same ExpressCard card is designed in two different sizes. Most of the ExpressCard cards are equipped with an elongated ExpressCard /34 card with a width of 34mm (hereinafter referred to as " Small card"). However, for some special applications, such as for SmartMedia or CompactFlash card readers, you need to use a B-shaped ExpressCard/54 card with a maximum width of 54mm (hereafter referred to as "large card,"). In fact, PC Vendors based on functional completeness and product miniaturization trends 'usually integrate the functions of reading these two cards into the same electronic card connector. However, the card space of such electronic card connectors must accommodate large cards. The size of the card, if the card is inserted, the card space is too large to be fixed and the contact between the card and the connector is unstable. To solve this problem, the existing electronic card connector is provided with a shielding housing. The limiting portion can be prevented from swaying on the guiding edge of the small card when the small card is inserted, thereby preventing the small card from shaking. The limiting portion is usually a metal piece extending directly from the shielding shell, although it is rounded. However, it is still easy to scratch the electronic card. On the other hand, the existing limit portion is mostly extended in the same direction as the insertion direction of the electronic card, and is added to the shallow edge of the guide bow i. Therefore, the limit effect is not ideal. When entering the small card, it is easy to appear that the limit part slides over the guiding edge under the impact of the external force, and the limit part is lost above the small card to lose the limit function. Or the limit part is smashed to the side and cannot be restored, even Benefit 107046.doc The M296504 method is close to the electronic card and causes it to shake. Therefore, how to match the above two types of kiss (10) (four) electronic cards in the same-electronic card connector, and ensure the stability of the connection between the cards and the electronic card. Sex, still need further research by the industry. [New content]
本創作提供—種電子卡連接器，該電子卡連接器可接受 兩種不同尺寸的電子卡插人，且可保證任其中—尺寸的電 子卡插入時均可被穩定固持，而不會劃傷電子卡。The present invention provides an electronic card connector that can accept two different sizes of electronic card insertions, and can ensure that any size-sized electronic card can be stably held without being scratched. Electronic card.
為達成上述目的’本創作提供—種電子卡連接器，可接 受兩種不同尺寸的電子卡插人，丨包含—遮蔽殼艘、一絕 緣本體、複數收容於該絕緣本體内的導電端子及一限位 件該限位件包含一限位部、一轉抽、一可將該限位部連 接至轉軸的連接部。該遮蔽殻體的上蓋上設有—收容轉抽 的通孔及以該通孔為圓心的圓弧形滑槽。當兩種電子卡 中尺寸較小的卡插入後，該限位部可止擋該電子卡的侧 田兩種電子卡中尺寸較大的卡插入後，該限位部可被 該電子卡推頂而沿滑槽滑動至電子卡旁側。 限位件進一步包含一用於限位件復位的復位件。在一實 她例中，該復位件為一套設於轉軸上的扭簧，其一端抵於 連接邛另一端抵於遮蔽殼體内側。限位部與連接部是一 體成型的塑膠件，連接部連接限位部的相對端具有一收容 孔，轉轴即收容於該收容孔。在另一實施例中限位部為一 塑膠件’連接部為一金屬片，其一端與塑膠件固定，另一 端與轉車由固定。滑槽具有一位於電子卡連接器供電子卡插 107046.doc -6- M296504 =一端的初始端，電子卡未插入時，限位部位於該初始端； 當該尺寸較大的電子卡插置正確位置後，該限位部則位於 该滑槽的動作端。動作端所在半徑與電子卡的側面平行， 與初始端所在半徑之間的夾角大於90度。在一實施例中， 滑槽在遮蔽殼體的一側壁上形成一開口，由該開口向外延 伸二延展片；當兩種電子卡中尺寸較大的卡插入後，該限 位部可被該電子卡推頂至該二延展片之間。轉軸為一螺 母，可與一螺絲配合將該電子卡連接器固定至電路板上。 限位部上設有安襞孔，可收容一螺母。該安裝孔對應上蓋 上的滑槽，一螺絲可穿過該滑槽與該螺母配合而將該限位 部疋位于該上蓋。滑槽的半徑與該兩尺寸不同的電子卡的 寬度差相當。 本創作的電子卡連接器的限位部可橫向抵住電子卡側面 而非導引緣，具有限位穩定的優點。同時該限位部採用塑 膠材質，亦不會劃傷電子卡。 【實施方式】 為更好的理解本創作的精神，以下結合本創作的一較佳 實施例對其作進一步說明。 如圖1、3(a)及4所示，一根據本創作一實施例的電子卡 連接器是一Expresscard電子卡連接器丨，其具有一遮蔽殼體 2、一絕緣本體3、複數收容於該絕緣本體3内的導電端子4、 一限制插入的電子卡位置的限位件5及一退卡裝置6。參見 圖1 ’遠電子卡連接器1可固定於一電路板p上，供 Expresscard/34(下稱“小卡”）與 Expresscard/54(下稱“大 107046.doc -7- M296504 卡’’）兩種不同規袼的雷早+ 电十卡7、7插入，而與電路板p上相 應的電路電連接。 如圖2所示，遮蔽殼體2定義一收容空間加，具有一可供 電子卡7 7插入的插入端21。本實施例中遮蔽殼體2包 含一與大卡7,形狀相似的上蓋22及自該上蓋22兩側f折延 伸的第-側壁23與第二側壁23’’其中自該上蓋如邊延伸 的側壁為第一側壁23，相對的為第二側壁23、上蓋22的插 入端21靠近第二側壁23’處設置一通孔221，以該通孔221為 圓心，以上蓋22的插入端21上距離該第一側壁幻大致一小 卡7寬度處至第二側壁23,之間距離（即大卡7，寬度減去一小 卡7寬度的差值）為半徑在上蓋22上形成一圓弧滑槽24。其 中以η亥α槽24位於上蓋22插入端21處一端，即距離該第一 側壁23大致一小卡7寬度處為初始端241，而靠近第二側壁 23啲一端為動作端242。該動作端242所在半徑與插入的電 子卡7、7’的側面70、70’平行，該初始端241所在半徑與該 動作端242所在半徑之間的夾角α略大於9〇度。另外，在本 實施例中，為將遮蔽殼體2固定於電路板Ρ上，第一側壁23 處是使用專用的固接件8，而第二側壁23,處則又向收容空 間20内彎折延伸一段，並於其上設置一與上蓋22上通孔221 對應的下通孔22Γ。 限位件5包含一限位部50、一轉軸51、一連接限位部5〇 而使其可以該轉軸5 1為中心沿滑槽24軌迹滑動的連接部 5 2 ’及一用於限位件5復位的復位件5 3。本實施例中，該限 位部50及連接部52是一體成型的塑膠件，限位部5〇自上表 107046.doc M296504 面（面向上蓋22的一面）向下凹陷有收容一固定件（例如螺 母的安裝孔54，該安裝孔54對應遮蔽殼體2上的滑槽 24 了方便另一配合固定件9b(例如螺絲）與該固定件9a(螺 母）配合而將限位部50與上蓋22相對定位不會脫離。連接部 52連接限位部50的相對端具有一向下延伸的低台，且連 接部52内側（面向收容空間2〇 一側）靠近該低台52〇處具有 一凹部521。低台520自上表面向下表面同樣貫穿有一安裝 孔54 ’該安裝孔54與遮蔽殼體2上的通孔221相對應，供轉 軸5 1穿過收容而進一步將限位件5限位於旋轉中心，即該遮 蔽殼體2的通孔221處。為加工方便及解決成本起見，本實 施例中的轉軸51可為一螺母，直接藉由一配合螺絲扑將限 位件5固定於電路板p上，無需使用特別的固定件固定。在 其他實施例中，該轉軸51可是自連接部52的低台520上凸伸 的塑膠柱。該轉軸5 1部分裝配在該連接部5 1的安裝孔54 内，並凸伸於低台52上表面一段。轉軸51與安裝孔54孔壁 間的配合’以4連接部5 2可以旋轉而不晃動較好。復位件 53在本實施例中為一扭簧，其套於該轉軸5丨上；一端抵靠 於連接部52的凹部521，另一端則抵靠於遮蔽殼體2的第二 側壁23,。 如圖1所示’在電子卡7、7’未插入的初始狀態下，限位 件5處於初始狀態，即限位部50位於滑槽24的初始端241， 即本圖中螺絲9b所在位置處。由於初始端241與動作端242 之間的夾角大於90度，因而該限位部50受意外衝撞時不會 輕易脫離该初始端241。結合圖3(a)、3(b)所示，當小卡7 107046.doc M296504 由插入端2 1插入收塞* pq ? n主 社尬 谷王間20時，其第一側面7〇緊貼遮蔽殼 體的第側J 23，相對的第二側面7〇,則為限位部5〇橫向 而不會在推進過程中左右晃動。由於該電子卡連接器1 的絕緣本體3具有導引電子卡7、7，插人的導引部3()，即便 J、卡7初始插入位置不準確，小卡7也會在絕緣本體）的導引 部30的導引作用下移到正確的插置位置。例如，略偏離第 一側壁23插入時，小卡7推頂限位部5〇使其偏離初始端 241(本圖中螺絲9b所在位置處）而沿滑槽24滑動，進而帶動 連接部52繞轉軸51旋轉。由於復位件53 一端抵靠於連接部 52,因而該復位件53也被扭轉壓縮。接著小卡7在絕緣本體 3的導引部30的導引作用下，移到靠近遮蔽殼體2的第一側 壁23的正確位置；而此時限位部5〇由於不再受小卡7的推 頂，會在扭簧53的作用下恢復至初始狀態，同樣可起到止 擋小卡7的作用。 結合圖4所示，當大卡7,由插入端21插入收容空間2〇内 時’該大卡7’會同時推頂限位部50、連接部52。同樣，限 位部50受推頂後，其會離開初始端241沿滑槽24滑動；進而 T動連接部5 2繞轉轴5 1旋轉’並進一步扭轉復位件5 3，直 至限位部50到達滑槽24的動作端242(圖4中9b位置）；因而 不會影響大卡7’的正常插置。當大卡7,撤出收容空間2〇時， 限位件5在扭簧53的作用下會相應的恢復初始狀態。 如圖5、6、7(a)、7(b)所示，在對電子卡連接器1高度要 求不苛刻的情況下，限位件5的連接部52’可採用設於遮蔽 殼體2的上蓋22上的方式。在根據本創作的另一實施例中， 107046.doc -10- M296504 該限位件5’的連接部52,為一金屬片，其内側靠近遮蔽殼體2 的第二側壁23’處向下彎折延伸一擋片522，以供扭簧53的 一端抵靠。連接部52’的兩端分別設有對應滑槽24’的初始端 241’與上蓋22的通孔221的安裝孔54。本實施例中轉軸51仍 採用螺母的形式，因而該連接部52,的兩端可直接藉由螺絲 9b與螺母9a的配合使連接部52’與限位部50、轉軸51固定在 一起，並進一步裝設於遮蔽殼體2的上蓋22上。本實施例 鲁 中，遮蔽殼體2也可採用不同的設計，自其上蓋22上彎折延 伸有包覆轉軸51及扭簧53的包覆部25，扭簧53原抵於第二 側壁23’的一端可抵於該包覆部25内側。第一側壁23及包覆 部25向收容空間20内側對應延伸有一引導部26，插入的大 卡7’可在該引導部26的導引下進入收容空間2〇，並進一步 為兩侧壁23、23’止擋而限位。當然同前一實施例，對小卡 7而言儘管插入位置比較隨意，然都會被導引至正確位置。 第二側壁231無需延伸至插入端21，其與該包覆部25之間留 籲 有間隙可便於大卡7,插入時連接部52,的擋片522轉至此 處。第二側壁23’靠近插入端21—端與滑槽24,的動作端242, 之間一段與第一側壁23間的寬度與大卡7，的寬度相當，因 而動作端242,在該第二側壁23,上形成一開口，並向外延伸 二延展片27。當插入大卡7,時，限位部5〇可滑至該兩延展 片27之間的動作端242’而不影響大卡7,的插置。 本創作的電子卡連接器使用可繞定點旋轉的限位件，可 有效限位插入的尺寸不同的電子卡。其限位部可橫向抵住 電子卡側面而非導引緣，具有限位穩定的優點。同時該限 107046.doc -11- M296504 位部採用塑膠材質，亦不會劃傷電子卡。 本創作的技術内容及技術特點已揭示如上，然而熟悉本 領域的技術人員仍可能基於本創作的教示及揭示而作種種 不背離本創作精神的替換及修飾。因此，本創作的保護範 圍應不限於實施例所揭示的内容，而應包括各種不背離本 創作的替換及修飾，並為本專利申請請求項所涵蓋。 【圖式簡單說明】 Φ 圖1係本創作一實施例的電子卡連接器設於一電路板上 的立體圖； 圖2係圖1中電子卡連接器的分解圖； 圖3(a)係圖1中的電子卡連接器插入一 Expresscarcj /34電 子卡時的仰視圖； 圖3(b)係沿圖3(a)中AA線截取的剖視圖； 圖4係圖1中的電子卡連接器插入一 Express card /54電子 卡時的立體圖； # 圖5係一根據本創作另一實施例的電子卡連接器的立體 圖； 圖6係圖5中的電子卡連接器插入一 Express card /54電子 卡時的立體圖； 圖7 (a)係圖5中的電子卡連接器插入一 Express card /34電 子卡時的仰視圖；以及 圖7(b)係沿圖7(a)中BB線截取的剖視圖。 【主要組件符號說明】 2 遮蔽殼體 1 電子卡連接器 107046.doc -12- M296504In order to achieve the above purpose, the present invention provides an electronic card connector that can accept two different sizes of electronic card insertions, including a shielding case, an insulative housing, a plurality of conductive terminals housed in the insulating body, and a The limiting member includes a limiting portion, a rotary pumping portion, and a connecting portion that can connect the limiting portion to the rotating shaft. The upper cover of the shielding shell is provided with a through hole for accommodating the diversion and a circular arc chute having a center of the through hole. When the smaller-sized card of the two electronic cards is inserted, the limiting portion can stop the side-size of the electronic card, and the larger-sized card of the two electronic cards is inserted, and the limiting portion can be pushed by the electronic card. Sliding along the chute to the side of the electronic card. The limiting member further includes a reset member for resetting the limiting member. In one example, the resetting member is a set of torsion springs disposed on the rotating shaft, one end of which abuts against the other end of the connecting jaw and abuts against the inside of the shielding case. The limiting portion and the connecting portion are integrally formed plastic parts, and the opposite end of the connecting portion connecting the limiting portion has a receiving hole, and the rotating shaft is received in the receiving hole. In another embodiment, the limiting portion is a plastic member. The connecting portion is a metal piece, one end of which is fixed to the plastic member, and the other end is fixed to the transfer. The chute has an initial end located at one end of the electronic card connector for the electronic card slot 107046.doc -6-M296504=, when the electronic card is not inserted, the limiting portion is located at the initial end; when the larger size electronic card is inserted After the correct position, the limit portion is located at the action end of the chute. The radius of the action end is parallel to the side of the electronic card, and the angle between the radius of the initial end is greater than 90 degrees. In an embodiment, the sliding slot forms an opening on a side wall of the shielding shell, and the extending surface extends outward from the opening; when the larger-sized card of the two electronic cards is inserted, the limiting portion can be The electronic card is pushed up between the two extended sheets. The rotating shaft is a nut that can be coupled to a screw to secure the electronic card connector to the circuit board. The limiting portion is provided with an ampule for receiving a nut. The mounting hole corresponds to a sliding slot on the upper cover, and a screw can pass through the sliding slot to cooperate with the nut to position the limiting portion on the upper cover. The radius of the chute is equivalent to the difference in width of the electronic cards of the two sizes. The limiting portion of the electronic card connector of the present invention can laterally resist the side of the electronic card instead of the guiding edge, and has the advantage of stable positioning. At the same time, the limit is made of plastic and will not scratch the electronic card. [Embodiment] For a better understanding of the spirit of the present invention, a further embodiment of the present invention will be further described below. As shown in FIGS. 1, 3(a) and 4, an electronic card connector according to an embodiment of the present invention is an Expresscard electronic card connector, which has a shielding housing 2, an insulative housing 3, and a plurality of housings. The conductive terminal 4 in the insulative housing 3, a limiting member 5 for limiting the position of the inserted electronic card, and a card ejecting device 6. See Figure 1 'The far electronic card connector 1 can be fixed on a circuit board p for Expresscard/34 (hereinafter referred to as "small card") and Expresscard/54 (hereinafter referred to as "large 107046.doc -7- M296504 card" Two different types of lightning early + electric ten cards 7, 7 are inserted, and are electrically connected with corresponding circuits on the circuit board p. As shown in Fig. 2, the shielding housing 2 defines a receiving space plus one The insertion end 21 of the electronic card 7 7 is inserted. In the embodiment, the shielding shell 2 includes a top cover 22 similar in shape to the large card 7, and a first side wall 23 and a second side wall 23 extending from the sides of the upper cover 22. The side wall extending from the upper cover is a first side wall 23, and the second side wall 23 is opposite to the second side wall 23, and the insertion end 21 of the upper cover 22 is disposed near the second side wall 23' with a through hole 221, and the through hole 221 is centered. The distance between the insertion end 21 of the upper cover 22 and the width of the first side wall is substantially a small card 7 to the second side wall 23, that is, the difference between the width of the card 7 and the width minus the width of a small card 7 is The radius of the upper cover 22 forms a circular arc chute 24. The inner end of the upper cover 22 is located at the end of the insertion end 21 of the upper cover 22, that is, the distance A side wall 23 is substantially a small card 7 at the width of the initial end 241, and an end adjacent to the second side wall 23 is an action end 242. The end of the action end 242 is parallel to the sides 70, 70' of the inserted electronic card 7, 7' The angle α between the radius of the initial end 241 and the radius of the action end 242 is slightly greater than 9 degrees. In addition, in the embodiment, the first side wall 23 is fixed to the shield case 2 on the circuit board. The special fixing member 8 is used, and the second side wall 23 is bent and extended into the receiving space 20, and a lower through hole 22 corresponding to the through hole 221 of the upper cover 22 is disposed thereon. The position member 5 includes a limiting portion 50, a rotating shaft 51, and a connecting portion 5 〇 so that the connecting portion 5 2 ′ along the trajectory of the sliding slot 24 can be centered on the rotating shaft 51 and a limiting member 5Reset resetting piece 5 3. In this embodiment, the limiting part 50 and the connecting part 52 are integrally formed plastic parts, and the limiting part 5〇 faces from the surface of the above table 107046.doc M296504 (the side facing the upper cover 22) The lower recess has a mounting hole 54 for receiving a fixing member (for example, a nut, the mounting hole 54 corresponding to the shielding housing 2 The sliding slot 24 facilitates the engagement of the other fixing member 9b (for example, a screw) with the fixing member 9a (nut) to position the limiting portion 50 and the upper cover 22 without disengagement. The connecting portion 52 is connected to the opposite end of the limiting portion 50. The lower portion of the connecting portion 52 (the side facing the receiving space 2) has a recess 521 near the lower portion 52. The lower table 520 also has a mounting hole 54' extending from the upper surface to the lower surface. The mounting hole 54 corresponds to the through hole 221 of the shielding case 2, and the rotating shaft 51 passes through the receiving portion to further restrict the limiting member 5 to the center of rotation, that is, the through hole 221 of the shielding case 2. For the convenience of processing and cost reduction, the rotating shaft 51 in this embodiment can be a nut, and the limiting member 5 is directly fixed on the circuit board p by a matching screw, without using a special fixing member. In other embodiments, the shaft 51 can be a plastic post projecting from the lower stage 520 of the connecting portion 52. The shaft 51 is partially fitted in the mounting hole 54 of the connecting portion 51 and protrudes from a section of the upper surface of the lower table 52. The engagement between the rotating shaft 51 and the hole wall of the mounting hole 54 is preferably such that the 4 connecting portion 5 2 can be rotated without shaking. In this embodiment, the returning member 53 is a torsion spring which is sleeved on the rotating shaft 5丨; one end abuts against the recess 521 of the connecting portion 52, and the other end abuts against the second side wall 23 of the shielding housing 2. As shown in FIG. 1 'in the initial state in which the electronic card 7, 7' is not inserted, the limiting member 5 is in an initial state, that is, the limiting portion 50 is located at the initial end 241 of the chute 24, that is, the position of the screw 9b in the figure. At the office. Since the angle between the initial end 241 and the action end 242 is greater than 90 degrees, the limit portion 50 does not easily disengage from the initial end 241 when it is accidentally impacted. Referring to Figures 3(a) and 3(b), when the small card 7 107046.doc M296504 is inserted from the insertion end 2 1 into the shackle * pq n n the main squad 20, the first side 7 is tight The first side J 23 of the shielding case is attached, and the opposite second side surface 7〇 is the lateral direction of the limiting portion 5〇 without swaying left and right during the pushing process. Since the insulative housing 3 of the electronic card connector 1 has the guiding electronic card 7, 7 and the inserted guiding portion 3 (), even if the initial insertion position of the J and the card 7 is inaccurate, the small card 7 will be in the insulating body) The guiding action of the guiding portion 30 is moved down to the correct insertion position. For example, when the first side wall 23 is slightly displaced, the small card 7 pushes the limiting portion 5 偏离 to be offset from the initial end 241 (the position of the screw 9b in the figure) to slide along the sliding slot 24, thereby driving the connecting portion 52 around. The shaft 51 rotates. Since the one end of the reset member 53 abuts against the connecting portion 52, the reset member 53 is also torsionally compressed. The small card 7 is then moved to the correct position of the first side wall 23 of the shielding housing 2 under the guidance of the guiding portion 30 of the insulative housing 3; at this time, the limiting portion 5 is no longer subject to the small card 7 The push-up will return to the initial state under the action of the torsion spring 53, which also serves to stop the small card 7. As shown in Fig. 4, when the large card 7 is inserted into the accommodating space 2A by the insertion end 21, the large card 7' simultaneously pushes the stopper portion 50 and the connecting portion 52. Similarly, after the limiting portion 50 is pushed up, it will slide along the sliding slot 24 away from the initial end 241; and then the T-moving connecting portion 5 2 rotates around the rotating shaft 51 and further twists the reset member 53 until the limiting portion 50 The action end 242 of the chute 24 (position 9b in Fig. 4) is reached; thus, the normal insertion of the large card 7' is not affected. When the large card 7 is withdrawn from the accommodating space 2, the limiting member 5 is restored to the initial state by the action of the torsion spring 53. As shown in FIGS. 5, 6, and 7(a) and 7(b), in the case where the height requirement of the electronic card connector 1 is not critical, the connecting portion 52' of the limiting member 5 may be disposed in the shielding case 2 The way on the top cover 22. In another embodiment according to the present invention, 107046.doc -10- M296504 the connecting portion 52 of the limiting member 5' is a metal piece whose inner side is close to the second side wall 23' of the shielding housing 2 A flap 522 is bent to extend against one end of the torsion spring 53. Both ends of the connecting portion 52' are respectively provided with mounting holes 54 corresponding to the initial end 241' of the chute 24' and the through hole 221 of the upper cover 22. In this embodiment, the rotating shaft 51 is still in the form of a nut, so that the connecting portion 52 can be fixed to the limiting portion 50 and the rotating shaft 51 by the cooperation of the screw 9b and the nut 9a. Further mounted on the upper cover 22 of the shielding case 2. In this embodiment, the shielding shell 2 can also adopt different designs. The covering portion 25 covering the rotating shaft 51 and the torsion spring 53 is bent and extended from the upper cover 22, and the torsion spring 53 is originally pressed against the second side wall 23. One end of ' can abut against the inside of the covering portion 25. The first side wall 23 and the covering portion 25 extend correspondingly to the inner side of the receiving space 20 with a guiding portion 26, and the inserted large card 7' can enter the receiving space 2〇 under the guidance of the guiding portion 26, and further has two side walls 23 , 23' stop and limit. Of course, with the previous embodiment, the small card 7 will be guided to the correct position even though the insertion position is relatively random. The second side wall 231 need not extend to the insertion end 21, and a gap is left between the second side wall 231 and the covering portion 25 to facilitate the large card 7, and the blocking piece 522 of the connecting portion 52 when the insertion portion 52 is turned. The second side wall 23' is adjacent to the insertion end 21-end and the action end 242 of the sliding slot 24, and the width between a section and the first side wall 23 is equivalent to the width of the large card 7, so that the action end 242 is in the second The side wall 23 has an opening formed therein and extends outwardly from the two extension pieces 27. When the large card 7 is inserted, the stopper portion 5 is slidable to the action end 242' between the two extension pieces 27 without affecting the insertion of the large card 7. The electronic card connector of the present invention uses a limiter that can be rotated around a fixed point, and can effectively limit the insertion of electronic cards of different sizes. The limiting portion can laterally resist the side of the electronic card instead of the guiding edge, and has the advantage of stable positioning. At the same time, the limit of 107046.doc -11- M296504 is made of plastic material and will not scratch the electronic card. The technical content and technical features of the present invention have been disclosed as above, but those skilled in the art may still make various substitutions and modifications without departing from the spirit of the present invention based on the teachings and disclosures of the present invention. Therefore, the scope of protection of the present invention is not limited to the contents disclosed in the embodiments, but should include various alternatives and modifications that do not depart from the present invention and are covered by the present application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an electronic card connector according to an embodiment of the present invention, which is disposed on a circuit board; FIG. 2 is an exploded view of the electronic card connector of FIG. 1; FIG. 3(a) is a diagram FIG. 3(b) is a cross-sectional view taken along line AA of FIG. 3(a); FIG. 4 is an insertion of the electronic card connector of FIG. 3 is a perspective view of an electronic card connector according to another embodiment of the present invention; FIG. 6 is an electronic card connector of FIG. 5 inserted into an Express card / 54 electronic card Figure 7 (a) is a bottom view of the electronic card connector of Figure 5 inserted into an Express card / 34 electronic card; and Figure 7 (b) is a cross-sectional view taken along line BB of Figure 7 (a) . [Main component symbol description] 2 Shading housing 1 Electronic card connector 107046.doc -12- M296504
3 絕緣本體 5 限位件 7、7’ 電子卡 20 收容空間 22 上蓋 23， 第二側壁 25 包覆部 27 延展片 50 限位部 52、52’ 連接部 54 安裝孔 70， 第二側面 22 Γ 下通孔 242、242’ 動作端 521 凹部 4 導電端子 6 退卡裝置 8 固接件 21 插入端 23 第一側壁 24、24’ 滑槽 26引導部 30 導引部 51 轉軸 53 復位件 70 第一側面 221 通孔 241、24Γ 初始端 520 低台 522 擋片3 Insulating body 5 Restricting member 7, 7' Electronic card 20 accommodating space 22 Upper cover 23, second side wall 25 Covering portion 27 Extension piece 50 Restricting portion 52, 52' Connecting portion 54 Mounting hole 70, second side 22 Γ Lower through hole 242, 242' Action end 521 Recessed part 4 Conductive terminal 6 Retracting device 8 Retaining member 21 Inserting end 23 First side wall 24, 24' Chute 26 Guide portion 30 Guide portion 51 Rotary shaft 53 Reset member 70 First Side 221 through hole 241, 24 初始 initial end 520 low 522 block
9a 螺母 9b 螺絲 P 電路板 107046.doc -13-9a nut 9b screw P circuit board 107046.doc -13-