1380515 六、發明說明： 卩01年.08月21日按正替換完^ 【發明所屬之技術領域】 [0001] 晶片 本創作係關於一種電連接器， 伐盗尤其指一種電性連接 模組至印刷電路板之電連接器。 【先前技術】 剛«魏子設備（如筆記型電腦）尺寸縮小之趨勢直接驅 動各種電連接器之小型化，因而導致電連接器針腳之間 距日益減小，常用滿足此種高針腳數之電連接器如針腳 格柵陣列（PGA)連接器與球形格栅數陣列（BGA)連接器， 相關技術如《高密度之球柵陣列連接器系統》（電子工程 專輯，2000年4月）所揭示爲符合電連接器設計輕 薄之趨勢，習知電連接器一般採用凸輪或偏心輪結構驅 動，如中國大陸專利公告第2559117號、第25591 3〇號所 揭露，一種與本創作相關之採用凸輪結構驅動之電連接 器’其包括容設有複數端子收容槽之基座，容置於端子 收容槽中之複數導電端子、蓋設於基座上之蓋體，以及 驅動蓋體相對於基座滑動之驅動凸輪。蓋體設有複數收 容晶片楔組插腳之蓋槽。將電連接器置於印刷電路板上 以實現導電端子和印刷電路板之電性連接，再將晶片模 組置於蓋體上表面，晶片模組底面之插腳通過蓋體之蓋 槽置於基座之端子收容槽中，旋轉驅動凸輪以驅動蓋體 相對於基座滑動’蓋體帶動晶片模組插腳移動至與導電 端子電性接觸，從而實現晶片模組與印刷電路板之間之 電性連捿。 [0003] 惟’此種結構之電連接器，至少存在以下缺點：在將電 09610401产單編號删1 第3頁/共15頁 1013320188-0 1380515 [0004] [0005] [0006] [0007] [ΐ〇ι年.08月 連接器移動或者雜之過財，由於沒有^^用力對驅g — 凸輪進行限制’故驅動凸輪會自動發生旋轉進而導致蓋 體相對於基座滑動-定位移，從而造成晶片模組插腳難 以插入蓋體之蓋槽中甚至造成晶片模組插腳之損壞。鑒於此’實有必要提供_種新型之電連接器以克服上 述電連接器之缺陷。 【發明内容】 本創作要解決之技術問題係提供一種電連接器，尤指 種能防止驅動凸輪自動發生旋轉之電連接器。 爲解決上述技術問題，本創作提供了一種可電性連接晶 片模組至印刷電路板之電連接器，其包括設有複數端子 收谷彳β之基座、谷设於端子收容槽中之複數導電端子、 組設於基座上之蓋板、安裝於蓋板τ表面之隔片，以及 驅動蓋板相對於基座滑動之驅動凸輪，基座、蓋板及隔 片分別設有收容駆動凸輪之基孔、蓋孔及通孔，驅動凸 輪設有容置於通孔之中凸輪部，通孔由隔片之内壁組成 ，其中，内壁朝向通孔設有止動件，中凸輪部相應設有 卡持止動件之止動槽以限制驅動凸輪之旋轉。 相對於與本創作相關之技術，本創作具有如下優點：在 隔片之内壁朝向通孔設有止動件，中凸輪部設有卡持止 動件之止動槽，由此驅動凸輪之熒轉受到了限制，從而 可以避免在電連接器移動或運輸過程中因驅動凸輪自動 發生；k轉而造成晶片模組插腳難以插入甚至損壞之情況 09610401#單編號 A0101 第4頁/共15頁 1013320188-0 13.80515 , 1〇ί年.08月21日修正替換頁 【實施方式】 [0008] 請參閱第一圖至第六圖所示，本創作電連接器1可電性連 接晶片模組（未圖示）至印刷電路板（未圖示），其包 括設有複數端子收容槽（未圖示）之基座2、容設於端子 收容槽中之複數導電端子（未圖示）、組設於基座2上之 蓋板3、安裝於蓋板3下表面之隔片4、安裝於基座2上之· 墊片5，以及驅動蓋板3相對於基座2滑動之驅動凸輪6。 [0009] · 蓋板3由塑膠材質製成，其設有承載部30及自承載部30 — 端延伸而出之頭部32，且頭部32之高度大於承載部30之 高度。承載部30設有複數收容孔（未圖示）以接納晶片 模組插腳（未圖示），且其與頭部32相鄰之侧邊301設有 拾取槽300以方便將晶片模組自蓋板3上移走。蓋板3侧邊 301於凹槽300兩端設有卡扣部3011。頭部32中間位置處 設有貫穿頭部32之蓋孔320。在蓋孔320之兩側設有第一 固持部321和第二固持部322。 [0010] 請參第三圖所示，隔片4由金屬材質製成，其安裝於蓋板 3頭部32之下表面且設有大致呈板狀之主體部40，主體部 40中間位置處設有貫穿主體部40之通孔400。通孔400由 隔片4之内壁41組成，且内壁41朝向通孔400設有止動件 411。止動件411爲自内壁41朝向通孔400設置之彈性臂 ，該彈性臂包括臂部4111及自臂部4111末端延伸而出之 Λ出部4112。主體部40表面向上延伸設有複數凸柱43以 與蓋板3頭部32下表面之開口（未圖示）相配合從而將隔 片4與蓋板3連接起來。 [0011] 基座2位於蓋板3下端，其對應於蓋板3承載部30下端設有. 09610401^^^^ Α〇101 第5頁/共15頁 1013320188-0 1380515 ,__ 101年.08月2i日梭正替換頁 導電部20及對應於頭部32下端設有收容部22。導電部20 設有複數端子收容槽（未圖示），每個端子收容槽中容 設有一個導電端子。導電部2 0設有縱向之側壁2 01，側壁 201向外凸伸設有凸塊2011，蓋板3側邊301上之卡扣部 3011可於凸塊2011上滑動。收容部22設有容納墊片5之 容納槽220，容納槽220下端設有貫穿收容部22之基孔 224 ° [0012] 墊片5由金屬材質製成，其容設於基座2收容部22之容納 槽220中且設有與容納槽220形狀大致相同之基部50，基 部50中間位置處設有貫穿基部50之基槽50 0。 [0013] 請參第二圖所示，驅動凸輪6由複數段不共軸之柱體組成 ，其包括容設於蓋孔320中之上凸輪部61、容設於通孔 400中之中6輪部62、容設於基槽500中之第三凸輪部63 ，以及容設於基孔224中之下凸輪部64。上凸輪部61上表 面設有一字形之凹槽610以便操作件如一字起子（未圖示 )旋轉驅動凸輪6。上凸輪部61設有自其外表面向外凸伸 且與凹槽610平行之擋塊611，擋塊611可於第一固持部 321和第二固持部322之間旋轉，且擋塊611旋轉至第一 固持部321之位置爲第一位置，擋塊611旋轉至第二固持 部322之位置爲第二位置。中凸輪部62設有卡持凸出部 4112之止動槽620從而可限制驅動凸輪6之旋轉。 [0014] 組裝時，將隔片4和墊片5分別組設於蓋板3和基座2中， 將驅動凸輪6置於蓋板3和基座2中，此時，驅動&輪6之 上凸輪部61容置於蓋孔320中，中凸輪部62容置於隔片4 之通孔400中，第三凸輪部63容置於墊片5之基槽500中 單編號A0101 第6頁/共15頁 1013320188-0 1380515 101年.08月21日修正替換頁 ，下凸輪部64容置於基座2之基孔224中。在將電連接器1 移動或者運輸前，止動件411之凸出部4112卡持在驅動凸 輪6之止動槽620中，由此，驅動凸輪6於其旋轉方向上受 到止動件411之限制故不會發生自動旋轉之情況，從而可 以避免晶片模組插腳難以插入甚至損壞之情況。 [0015] 需要指出，在本創作中，隔片4爲脫離蓋板3之單獨元件 ，其也可設置爲與蓋板3—體成型；墊片5爲脫離基座2之 單獨元件，其也可設置爲與基座2—體成型；止動件411 爲自内壁41朝向通孔400設置之彈性臂，其也可設置爲自 内壁41朝向通孔400設置之凸塊。 [0016] 綜上所述，本創作符合發明專利要件，爰依法提出專利 申請。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 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】 [0017] 第一圖係本創作電連接器之立體分解圖； [0018] 第二圖係第一圖所示電連接器中驅動凸輪另一角度之圖 示； [0019] 第三圖係第一圖所示電連接器中隔片之放大圖示； [0020] 第四圖係驅動凸輪與隔片組合後之背面圖示； [0021] 第五圖係第四圖沿V - V方向之剖視圖； [0022] 第六圖係第一圖所示電連接器之立體組合圖。 09610401#單編號 A〇101 第7頁/共15頁 1013320188-0 1380515 101年.08月2i日核正替换頁 [0023] 【主要元件符號說明】 電連接器：1 [0024] 基座：2 [0025] 導電部：20 [0026] 侧壁：201 [0027] 凸塊：2011 [0028] 收容部：22 [0029] 容納槽：220 [0030] 基孔：224 [0031] 蓋板：3 [0032] 承載部：30 · [0033] 拾取槽：300 [0034] 侧邊：301 [0035] 卡扣部：3011 [0036] 頭部：32 [0037] 蓋孔：320 [0038] 第一固持部：321 · [0039] 第二固持部：322 [0040] 隔片：4 [0041] 主體部：40 09610401^^ A〇101 1380515 [0042] 通孔：40 0 [0043] 内壁：41 [0044] 止動件：41 1 [0045] 臂部：4 111 [0046] 凸出部：4112 [0047] 凸柱：43 [0048] 墊片：5 [0049] 基部：50 [0050] 基槽：500 [0051] 凸輪：6 [0052] 凸輪部：61 [0053] 凹槽：61 0 [0054] 擋塊：611 [0055] 中凸輪部：62 [0056] 止動槽：620 [0057] 第三ώ輪部：63 [0058] 下凸輪部：64 09610401 产單編號 A〇101 第9頁/共15頁 101年08月21日修正替換頁 1013320188-01380515 VI. Description of invention: 卩01年.08月21日正正完^ 【Technical field of invention】 [0001] The wafer creation is about an electrical connector, especially for an electrical connection module to Electrical connector for printed circuit boards. [Prior Art] The trend of shrinking the size of the Weizi equipment (such as a notebook computer) directly drives the miniaturization of various electrical connectors, resulting in a decrease in the distance between the pins of the electrical connector, which is commonly used to meet the high number of pins. Connectors such as pin grid array (PGA) connectors and ball grid array array (BGA) connectors, related techniques such as "High Density Ball Grid Array Connector System" (Electronic Engineering, April 2000) In order to meet the trend of thin design of the electrical connector, the conventional electrical connector is generally driven by a cam or eccentric wheel structure, as disclosed in Chinese Patent Publication No. 2559117, No. 25591 3 ,, a cam structure related to the present invention. The driving electrical connector includes a base that accommodates a plurality of terminal receiving slots, a plurality of conductive terminals that are received in the terminal receiving slots, a cover that is disposed on the base, and the driving cover slides relative to the base Drive the cam. The cover body is provided with a plurality of cover slots for receiving the wedge set pins of the wafer. The electrical connector is placed on the printed circuit board to electrically connect the conductive terminal and the printed circuit board, and then the chip module is placed on the upper surface of the cover body, and the pin on the bottom surface of the chip module is placed on the base through the cover groove of the cover body. In the terminal receiving groove of the seat, the driving cam rotates to drive the cover body to slide relative to the base. The cover body drives the chip module pin to move into electrical contact with the conductive terminal, thereby realizing electrical connection between the chip module and the printed circuit board. Even. [0003] However, the electrical connector of such a structure has at least the following disadvantages: the number of the power supply number 09610401 is deleted 1 page 3 / 15 pages 1013320188-0 1380515 [0004] [0005] [0006] [0007] [ΐ〇ι年.08 month connector moves or miscellaneous, because there is no ^^ force to drive g - cam limit" so the drive cam will automatically rotate and cause the cover to slide relative to the base - positioning, As a result, the chip module pins are difficult to be inserted into the cover slots of the cover body and even cause damage to the chip module pins. In view of this, it is necessary to provide a new type of electrical connector to overcome the drawbacks of the above electrical connector. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide an electrical connector, especially an electrical connector capable of preventing the driving cam from automatically rotating. In order to solve the above technical problems, the present invention provides an electrical connector that electrically connects a chip module to a printed circuit board, and includes a base having a plurality of terminal receiving valleys β and a plurality of valleys disposed in the terminal receiving slots. a conductive terminal, a cover plate disposed on the base, a spacer mounted on the surface of the cover plate τ, and a drive cam for driving the cover plate to slide relative to the base, and the base, the cover plate and the spacer are respectively provided with the accommodating cam The base hole, the cover hole and the through hole, the driving cam is provided with a cam portion accommodated in the through hole, and the through hole is composed of an inner wall of the spacer, wherein the inner wall is provided with a stopper toward the through hole, and the middle cam portion is correspondingly provided There is a retaining groove for retaining the stop to limit the rotation of the drive cam. Compared with the technology related to the present creation, the creation has the following advantages: the inner wall of the spacer is provided with a stopper toward the through hole, and the middle cam portion is provided with a retaining groove for holding the stopper, thereby driving the cam of the cam The rotation is restricted, so that the driving cam can be prevented from happening automatically during the movement or transportation of the electrical connector; the situation in which the wafer module pins are difficult to insert or even damage is caused by the reversal of the 10610401# single number A0101 page 4 / 15 pages 1013320188 -0 13.80515 , 1〇ί年.08月21日修正 replacement page [Embodiment] [0008] Please refer to the first to sixth figures, the original electrical connector 1 can be electrically connected to the chip module (not A printed circuit board (not shown) includes a base 2 having a plurality of terminal receiving grooves (not shown), a plurality of conductive terminals (not shown) accommodated in the terminal receiving grooves, and an assembly The cover 3 on the base 2, the spacer 4 attached to the lower surface of the cover 3, the spacer 5 mounted on the base 2, and the drive cam 6 for driving the cover 3 to slide relative to the base 2. [0009] The cover plate 3 is made of a plastic material, and is provided with a bearing portion 30 and a head portion 32 extending from the end of the load-bearing portion 30, and the height of the head portion 32 is greater than the height of the load-bearing portion 30. The receiving portion 30 is provided with a plurality of receiving holes (not shown) for receiving the chip module pins (not shown), and the side edges 301 adjacent to the head portion 32 are provided with pick-up grooves 300 for facilitating the self-covering of the wafer modules. Remove the board 3. The side edge 301 of the cover 3 is provided with a latching portion 3011 at both ends of the recess 300. A cover hole 320 is formed through the head 32 at a position intermediate the head 32. A first holding portion 321 and a second holding portion 322 are provided on both sides of the cover hole 320. [0010] Referring to FIG. 3, the spacer 4 is made of a metal material, and is mounted on the lower surface of the head portion 32 of the cover plate 3 and is provided with a substantially plate-shaped main body portion 40 at the intermediate position of the main body portion 40. A through hole 400 penetrating through the body portion 40 is provided. The through hole 400 is composed of the inner wall 41 of the spacer 4, and the inner wall 41 is provided with a stopper 411 toward the through hole 400. The stopper 411 is a resilient arm provided from the inner wall 41 toward the through hole 400, and the elastic arm includes an arm portion 4111 and a scooping portion 4112 extending from the end of the arm portion 4111. The surface of the main body portion 40 is extended upwardly with a plurality of studs 43 for engaging with openings (not shown) on the lower surface of the head portion 32 of the cover plate 3 to connect the spacer 4 to the cover plate 3. [0011] The base 2 is located at the lower end of the cover plate 3, which is corresponding to the lower end of the cover portion 30 of the cover plate 3. 09610401^^^^ Α〇101 5th page/total 15 pages 1013320188-0 1380515, __ 101 years.08 The month 2i is replacing the page conductive portion 20 and the receiving portion 22 is provided at the lower end of the head portion 32. The conductive portion 20 is provided with a plurality of terminal receiving grooves (not shown), and each of the terminal receiving grooves receives a conductive terminal. The conductive portion 20 is provided with a longitudinal side wall 201. The side wall 201 protrudes outwardly from the protrusion 2011, and the buckle portion 3011 on the side 301 of the cover 3 can slide on the protrusion 2011. The accommodating portion 22 is provided with a receiving groove 220 for accommodating the gasket 5. The lower end of the accommodating groove 220 is provided with a base hole 224 through the accommodating portion 22. [0012] The gasket 5 is made of a metal material and is accommodated in the accommodating portion of the pedestal 2 The base portion 50 of the receiving groove 220 of the 22 is substantially the same as the shape of the receiving groove 220. The base portion 50 is provided with a base groove 50 through the base portion 50. [0013] As shown in the second figure, the driving cam 6 is composed of a plurality of non-coaxial cylinders, and includes a cam portion 61 received in the cover hole 320 and accommodated in the through hole 400. The wheel portion 62, the third cam portion 63 accommodated in the base groove 500, and the lower cam portion 64 received in the base hole 224. The upper surface of the upper cam portion 61 is provided with a groove-shaped recess 610 for the operating member to rotationally drive the cam 6 such as a screwdriver (not shown). The upper cam portion 61 is provided with a stopper 611 protruding outward from the outer surface thereof and parallel to the groove 610. The stopper 611 is rotatable between the first retaining portion 321 and the second retaining portion 322, and the stopper 611 is rotated to The position of the first holding portion 321 is the first position, and the position at which the stopper 611 is rotated to the second holding portion 322 is the second position. The middle cam portion 62 is provided with a stopper groove 620 for holding the projection portion 4112 so that the rotation of the drive cam 6 can be restricted. [0014] When assembling, the spacer 4 and the spacer 5 are respectively assembled in the cover 3 and the base 2, and the driving cam 6 is placed in the cover 3 and the base 2, at this time, the drive & The upper cam portion 61 is received in the cover hole 320, the middle cam portion 62 is received in the through hole 400 of the spacer 4, and the third cam portion 63 is received in the base groove 500 of the spacer 5 in the single number A0101. Page / Total 15 pages 1013320188-0 1380515 101. On August 21st, the replacement page is corrected, and the lower cam portion 64 is received in the base hole 224 of the base 2. Before the electrical connector 1 is moved or transported, the projection 4112 of the stopper 411 is held in the retaining groove 620 of the drive cam 6, whereby the drive cam 6 is subjected to the stopper 411 in the rotational direction thereof. Restriction does not occur automatically, so that it is difficult to insert or even damage the chip module pins. [0015] It should be noted that in the present creation, the spacer 4 is a separate component of the cover plate 3, which may also be configured to be integrally formed with the cover plate 3; the spacer 5 is a separate component from the base 2, which is also It may be configured to be integrally formed with the base 2; the stopper 411 is a resilient arm disposed from the inner wall 41 toward the through hole 400, and may also be provided as a protrusion provided from the inner wall 41 toward the through hole 400. [0016] In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0017] The first figure is an exploded perspective view of the present electrical connector; [0018] The second figure is a diagram showing another angle of the driving cam in the electrical connector shown in the first figure; [0019] The third figure is an enlarged view of the spacer in the electrical connector shown in the first figure; [0020] The fourth figure is a rear view of the combination of the driving cam and the spacer; [0021] The fifth figure is the fourth figure Cross-sectional view in the V-V direction; [0022] The sixth figure is a perspective assembled view of the electrical connector shown in the first figure. 09610401#单号A〇101 Page 7/15 pages 1013320188-0 1380515 101.08 2i day nuclear replacement page [0023] [Main component symbol description] Electrical connector: 1 [0024] Base: 2 [0025] Conductive portion: 20 [0026] Side wall: 201 [0027] Bump: 2011 [0028] Containing portion: 22 [0029] Holding groove: 220 [0030] Base hole: 224 [0031] Cover: 3 [ 0032] Carrying part: 30 · [0033] Picking groove: 300 [0034] Side: 301 [0035] Buckle: 3011 [0036] Head: 32 [0037] Cover hole: 320 [0038] First holding part :321 · [0039] Second holding portion: 322 [0040] Spacer: 4 [0041] Main body: 40 09610401^^ A〇101 1380515 [0042] Through hole: 40 0 [0043] Inner wall: 41 [0044] Stop: 41 1 [0045] Arm: 4 111 [0046] Projection: 4112 [0047] Post: 43 [0048] Gasket: 5 [0049] Base: 50 [0050] Base Groove: 500 [ 0051] Cam: 6 [0052] Cam: 61 [0053] Groove: 61 0 [0054] Stop: 611 [0055] Middle cam: 62 [0056] Stop groove: 620 [0057] Third turn Department: 63 [0058] Lower cam section: 64 09610401 Production order number A 〇101 Page 9 of 15 Correction replacement page on August 21, 101 1013320188-0