201222998 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種電連接器，尤其涉及 ^ a 種具有印刷電路 板的電連接器。 【先前技_術】 [00〇2] 臺灣專利公告第M361 805號揭示一種泰 !电連接，其包括： 基座、前蓋、上蓋、電路板及金屬外殼，金屬外殼封接 於基座、前蓋、上蓋及電路板。然而，金屬外殼通常由 金屬片衝壓形成，組裝或使用時容易受到破壞。 [0003] [0004] 是故’有必要對現_技術進行❹以克服上述缺陷。 【發明内容】 本發明之目的在於提供-種具有保護裝置的電連接器。 [0005]為達成前述目的，本發明採用如下技術方案：一種電連 接器，其包括具有複數壁的絕緣本體、組裝於絕緣本體 中的端子模組、包覆絕緣本體的金屬殼體以及位於金屬 殼體下方的印刷電路板，前述端手模組包括複數端子， 前述絕緣本體的複數壁共同形成收容空間，絕緣本體包 括用於對接的開口，前述端子穿過前述印刷電路板並延 伸至金屬殼體外部，前述電連接器還包括包圍前述金屬 殼體的絕緣外殼’前述絕緣外殼具有限制前述印刷電路 板向前移動的阻檔壁以及位於金屬殼體後方以限制金屬 殼體向後移動的凸塊。 [0006]與先前技術相比，本發明具有以下優點：藉由绝緣外殼 可保護内部結構不被損壞。 0992068934-0 099139533 表單編號A0101 第4頁/共19頁 201222998 【實施方式】 ' [0007] 請參照第一圖至第七圖所示，本發明電連接器100包括絕 緣本體1、組裝於絕緣本體1中的端子模組2、包覆絕緣本 體1的金屬殼體3、印刷電路板4以及絕緣外殼5。 [0008] 絕緣本體1設有頂壁11、兩側壁12、前壁13、位於絕緣本 體内部的内壁14以及底壁15，並且這些壁共同形成位於 前部的收容空間10以及位於後部且向後與外界導通的收 容槽16，收容空間10與收容槽16被内壁14隔開並且均向 下貫穿底壁15。前壁13設有與收容空間10導通的開口 〇 130，内壁14設有沿對接方向延伸的複數端子槽141，且 端子槽141與收容空間10及收容槽16相導通。底壁15的 兩側向下凸伸一對圓型凸台151。本實施例中，對接方向 為前後方向。 [0009] 端子模組2包括複數端子21以及一體成型於端子21的基體 22。基體22自後向前組裝於絕緣本體1中，其包括水平部 221以及垂直於水平部221設置的豎直部222，豎直部222 q 收容於絕緣本體1的收容槽16中，水平部221向前延伸進 收容空間10。端子21包括固設於水平部221中的第一固持 部211、自第一固持部211前端朝向收容空間10内側弧型 彎曲的連接部212、自連接部212繼續向後傾斜延伸且進 入收容空間10的對接部213、自第一固持部211後端垂直 向下延伸且固持於基體22豎直部222的第二固持部214。 基體22的水平部221設有複數第一固持槽2210收容端子 21的第一固持部211，豎直部222設有複數第二固持槽 2220收容第二固持部214，第二固持部214的尾端自第二 099139533 表單編號A0101 第5頁/共19頁 0992068934-0 201222998 固持槽2220延伸至外面。所有端子21的第二固持部214 恰好排列成兩排。 [0010] 金屬殼體3包覆在絕緣本體i外部，其包括遮蔽絕緣本則 的頂壁11的喊頂部31、遮蔽絕緣本體〗的側壁丨2的殼側部 32、遮蔽絕緣本體1前壁13的殼前部33以及遮蔽絕緣本體 1的後部的收容槽16的殼後部34。殼侧部32的下邊緣設有 向内側彎曲的固持片321，絕緣本體丨的底壁15設有可收 容對應固持片321的凹槽152。殼前部33設有一出口 330 與絕緣本體1的開口 130對應，自出口33〇的邊緣朝向絕緣 本體1的收容空間延伸複數彈片331，弹片331的末端向外 側彎折，且絕緣本體1的側壁12内表面設有與彈片331對 應的凹槽1 21。自殼則部3 3的下邊緣水平向後延伸一 u型 支撐部35以支撐絕緣本體1。 [0011] 印刷電路板4組裝於絕緣本體1及金屬般體3的底部，其包 括一對圓孔40供絕緣本體1的圓型凸台ι51插入以及複數 」..：：： .. 排成兩排的通孔41供端子21的肩二固持部214的尾部穿過 [0012] 絕緣外殼5包圍金屬殼體3，其侧面大致呈L型，其包括基 部51以及位於基部51上方的固定部52，基部51與固定部 52共同形成收容腔50收容金屬殼體3及絕緣本體1。基部 51包括前壁511、一對侧壁512及底壁513，自前壁511的 内表面向後延伸進收容腔5 0的一對懸置的彈性固持臂5 i 4 ’每個彈性固持臂514的末端設有向内侧突伸的楔型凸塊 5140 ’該對彈性固持臂514可令金屬般體3及絕緣本體i 不會向後移動脫離絕緣外殼5。前壁511設有框口 511〇與 099139533 表單編號A0101 第6頁/共19頁 0992068934 201222998 收容腔50相導通且與絕緣本體1的開口 130對應。底壁 513設有一收容槽5130及一矩型缺口 5131，收容槽5130 的前端設有一阻擋壁5132，印刷電路板4收容於收容槽 51 30中且印刷電路板4的前邊緣向前抵持於阻擋壁51 32 ，矩型缺口 5131可供端子21的第二固持部214突伸出去 。固定部52整體呈矩型塊，其頂面設有複數凸柱521及複 數通孔522從而令電連接器100固定於主板上。 [0013] 組裝時，用外力將彈性固持臂514向兩側拉伸，然後將金 ^ 屬殼體3、絕緣本體1、端子模組2及印刷電路板4的組合 ❹ 體共同向前插入絕緣外殼5的收容腔50，金屬殼體3的前 部伸入前壁511的框口 5110，印刷電路板4抵持於阻擋壁 5132，釋放外力，彈性固持臂514恢復原位，則彈性固持 臂514的凸塊5140可限制金屬殼體3向後移動，阻擋壁 5132可限制印刷電路板4向前移動。 【圖式簡單說明】 [0014] 第一圖係本發明電連接器的立體組合圖。 〇 [0015] 第二圖係第一圖所示另一視角的立體組合圖。 [0016] 第三圖係第二圖所示電連接器的外殼打開後的部分組合 圖。 [0017] 第四圖係第三圖所示另一視角的部分組合圖。 [0018] 第五圖係第四圖所示電連接器的外殼及印刷電路板均打 開的部分組合圖。 [0019] 第六圖是本發明電連接器的立體分解圖。 099139533 表單編號A0101 第7頁/共19頁 0992068934-0 201222998 [0020] 第七圖是第六圖所示另一視角的立體分解圖 【主要元件符號說明】 099139533 [0021] 電連接 器： 100 [0022] 絕緣本體： 1 [0023] 收容空間： 10 [0024] 頂壁： 11 [0025] 側壁： 12、 512 [0026] 凹槽： 121 ' 152 [0027] 前壁： 13、 511 [0028] 開口： 130 [0029] 内壁： 14 [0030] 端子槽 ：141 [0031] 底壁： 15、 513 [0032] 凸台： 151 [0033] 收容槽 ：16 | ' 5130 [0034] 端子模組： 2 [0035] 端子： 21 [0036] 第一固持部 :211 [0037] 連接部 ：212 [0038] 對接部 ：213 表單編號 A0101 第 坌只百/杜頁 0992068934-0 201222998201222998 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to an electrical connector, and more particularly to an electrical connector having a printed circuit board. [Previous Techniques] [00〇2] Taiwan Patent Publication No. M361 805 discloses a Thai electrical connection comprising: a base, a front cover, an upper cover, a circuit board and a metal casing, the metal casing being sealed to the base, Front cover, top cover and circuit board. However, the metal casing is usually formed by stamping a metal sheet and is easily damaged when assembled or used. [0003] [0004] Therefore, it is necessary to carry out the current technology to overcome the above drawbacks. SUMMARY OF THE INVENTION It is an object of the present invention to provide an electrical connector having a protective device. In order to achieve the foregoing object, the present invention adopts the following technical solution: an electrical connector including an insulating body having a plurality of walls, a terminal module assembled in the insulating body, a metal case covering the insulating body, and a metal a printed circuit board under the housing, the end hand module includes a plurality of terminals, the plurality of walls of the insulative housing together form a receiving space, and the insulative housing includes an opening for docking, the terminal passing through the printed circuit board and extending to the metal shell Externally, the foregoing electrical connector further includes an insulative housing surrounding the metal housing. The insulative housing has a barrier wall that restricts forward movement of the printed circuit board and a bump located behind the metal housing to restrict backward movement of the metal housing. . Compared with the prior art, the present invention has the advantage that the inner structure can be protected from damage by the insulating outer casing. 0992068934-0 099139533 Form No. A0101 Page 4/Total 19 Page 201222998 [Embodiment] [0007] Referring to Figures 1 to 7, the electrical connector 100 of the present invention includes an insulative housing 1 and is assembled to an insulative body. The terminal module 2 of 1, the metal case 3 covering the insulative housing 1, the printed circuit board 4, and the insulating case 5. [0008] The insulative housing 1 is provided with a top wall 11, two side walls 12, a front wall 13, an inner wall 14 located inside the insulative housing, and a bottom wall 15, and these walls together form a receiving space 10 at the front and a rear and rearward The receiving groove 16 that is open to the outside, the receiving space 10 and the receiving groove 16 are separated by the inner wall 14 and both pass downward through the bottom wall 15. The front wall 13 is provided with an opening 〇 130 that is electrically connected to the accommodating space 10. The inner wall 14 is provided with a plurality of terminal slots 141 extending in the mating direction, and the terminal slots 141 are electrically connected to the accommodating space 10 and the receiving groove 16. A pair of circular bosses 151 project downward from both sides of the bottom wall 15. In this embodiment, the docking direction is the front-rear direction. The terminal module 2 includes a plurality of terminals 21 and a base 22 integrally formed with the terminals 21. The base body 22 is assembled from the rear to the front in the insulative housing 1 and includes a horizontal portion 221 and a vertical portion 222 disposed perpendicular to the horizontal portion 221. The vertical portion 222 q is received in the receiving slot 16 of the insulative housing 1 and the horizontal portion 221 Extending forward into the receiving space 10. The terminal 21 includes a first holding portion 211 fixed in the horizontal portion 221 , a connecting portion 212 curved from the front end of the first holding portion 211 toward the inside of the receiving space 10 , and continuing to extend rearward from the connecting portion 212 and entering the receiving space 10 . The abutting portion 213 extends from the rear end of the first holding portion 211 vertically downward and is fixed to the second holding portion 214 of the vertical portion 222 of the base 22 . The horizontal portion 221 of the base 22 is provided with a first retaining portion 211 for receiving the terminal 21 of the plurality of first retaining slots 2210, and the vertical retaining portion 222 is provided with a plurality of second retaining slots 2220 for receiving the second retaining portion 214, and the tail of the second retaining portion 214 End from the second 099139533 Form No. A0101 Page 5 / Total 19 Page 0992068934-0 201222998 The holding groove 2220 extends to the outside. The second holding portions 214 of all the terminals 21 are arranged in exactly two rows. [0010] The metal casing 3 is wrapped on the outside of the insulative housing i, and includes a shouting top 31 for shielding the top wall 11 of the insulating body, a shell side portion 32 of the side wall 遮蔽 2 of the shielding insulating body, and a front wall 13 of the shielding insulating body 1. The front portion 33 of the case and the rear portion 34 of the housing groove 16 that shields the rear portion of the insulative housing 1. The lower edge of the side portion 32 of the casing is provided with a holding piece 321 which is bent inward, and the bottom wall 15 of the insulating body 设有 is provided with a recess 152 which can accommodate the corresponding holding piece 321. The housing front portion 33 is provided with an outlet 330 corresponding to the opening 130 of the insulative housing 1. The plurality of elastic pieces 331 extend from the edge of the outlet 33〇 toward the receiving space of the insulative housing 1. The end of the elastic piece 331 is bent outward, and the insulative housing 1 is The inner surface of the side wall 12 is provided with a groove 1 21 corresponding to the elastic piece 331. A u-shaped support portion 35 extends horizontally rearward from the lower edge of the case portion 3 3 to support the insulative housing 1. [0011] The printed circuit board 4 is assembled to the bottom of the insulative housing 1 and the metal body 3, and includes a pair of circular holes 40 for the insertion of the circular boss ι 51 of the insulative housing 1 and a plurality of ..:::. Two rows of through holes 41 for the tail portion of the shoulder holding portion 214 of the terminal 21 pass through [0012] The insulative housing 5 surrounds the metal housing 3, and its side surface is substantially L-shaped, and includes a base portion 51 and a fixing portion above the base portion 51. 52. The base portion 51 and the fixing portion 52 form a receiving cavity 50 to accommodate the metal casing 3 and the insulative housing 1. The base portion 51 includes a front wall 511, a pair of side walls 512 and a bottom wall 513, and a pair of suspended elastic holding arms 5 i 4 ' each elastically extending the arm 514 extending rearward from the inner surface of the front wall 511 into the receiving cavity 50. The end of the end is provided with a wedge-shaped projection 5140 that protrudes inwardly. The pair of elastic holding arms 514 can prevent the metal body 3 and the insulating body i from moving backwards away from the insulating housing 5. The front wall 511 is provided with a frame opening 511〇 and 099139533. Form No. A0101 Page 6 of 19 0992068934 201222998 The receiving cavity 50 is electrically connected and corresponds to the opening 130 of the insulative housing 1. The bottom wall 513 is provided with a receiving slot 5130 and a rectangular cutout 5131. The front end of the receiving slot 5130 is provided with a blocking wall 5132. The printed circuit board 4 is received in the receiving slot 51 30 and the front edge of the printed circuit board 4 is forwardly resisted. The blocking wall 51 32 , the rectangular notch 5131 can be protruded from the second holding portion 214 of the terminal 21 . The fixing portion 52 has a rectangular block as a whole, and a plurality of protrusions 521 and a plurality of through holes 522 are formed on the top surface thereof to fix the electrical connector 100 to the main board. [0013] When assembling, the elastic holding arm 514 is stretched to both sides by an external force, and then the combined body of the metal shell 3, the insulating body 1, the terminal module 2, and the printed circuit board 4 is inserted forward and insulated together. The receiving cavity 50 of the outer casing 5, the front portion of the metal casing 3 extends into the frame opening 5110 of the front wall 511, the printed circuit board 4 abuts against the blocking wall 5132, releases the external force, and the elastic retaining arm 514 returns to the original position, and the elastic retaining arm is elastically held. The bump 5140 of the 514 can restrict the metal housing 3 from moving backward, and the blocking wall 5132 can restrict the forward movement of the printed circuit board 4. BRIEF DESCRIPTION OF THE DRAWINGS [0014] The first figure is a perspective assembled view of the electrical connector of the present invention. [0015] The second figure is a perspective combination view of another view shown in the first figure. [0016] The third figure is a partial combination diagram of the housing of the electrical connector shown in the second figure after opening. [0017] The fourth figure is a partial combination diagram of another view shown in the third figure. [0018] Fig. 5 is a partial assembled view showing the outer casing and the printed circuit board of the electrical connector shown in the fourth figure. [0019] Figure 6 is an exploded perspective view of the electrical connector of the present invention. 099139533 Form No. A0101 Page 7 / 19 pages 0992068934-0 201222998 [0020] The seventh figure is an exploded perspective view of another angle of view shown in the sixth figure [Main component symbol description] 099139533 [0021] Electrical connector: 100 [ 0022] Insulating body: 1 [0023] Containing space: 10 [0024] Top wall: 11 [0025] Side wall: 12, 512 [0026] Groove: 121 ' 152 [0027] Front wall: 13, 511 [0028] Opening : 130 [0029] Inner wall: 14 [0030] Terminal slot: 141 [0031] Bottom wall: 15, 513 [0032] Boss: 151 [0033] Storage slot: 16 | ' 5130 [0034] Terminal block: 2 [ 0035] Terminal: 21 [0036] First holding part: 211 [0037] Connection part: 212 [0038] Docking part: 213 Form number A0101 No. 100/Du page 0992068934-0 201222998
[0039] 第二固持部： 214 [0040] 基體：22 [0041] 水平部：221 [0042] 第一固持槽： 2210 [0043] 豎直部：222 [0044] 第二固持槽： 2220 [0045] 金屬殼體：3 [0046] 殼頂部：31 [0047] 殼側部：32 [0048] 固持片：321 [0049] 殼前部：33 [0050] 出 σ : 330 [0051] 彈片：331 [0052] 殼後部：34 [0053] 支撐部：35 [0054] 印刷電路板： 4 [0055] 圓孔：40 [0056] 通孔：41、522 [0057] 絕緣外殼：5 099139533 表單編號A0101 第9頁/共19頁 0992068934-0 201222998 [0058] 收容腔：50 [0059] 基部：51 [0060] 框口 ： 511 0 [0061] 缺口 ： 5131 [0062] 阻擋壁：5132 [0063] 彈性固持臂：514 [0064] 凸塊：5140 [0065] 固定部：5 2 [0066] 凸柱：521 099139533 表單編號A0101 第10頁/共19頁 0992068934-0[0039] Second holding portion: 214 [0040] Base: 22 [0041] Horizontal portion: 221 [0042] First holding groove: 2210 [0043] Vertical portion: 222 [0044] Second holding groove: 2220 [0045 Metal case: 3 [0046] Shell top: 31 [0047] Shell side: 32 [0048] Holder: 321 [0049] Shell front: 33 [0050] σ: 330 [0051] Shrapnel: 331 [ 0052] Rear part of the case: 34 [0053] Support: 35 [0054] Printed circuit board: 4 [0055] Round hole: 40 [0056] Through hole: 41, 522 [0057] Insulated case: 5 099139533 Form number A0101 No. 9 Page / Total 19 pages 0992068934-0 201222998 [0058] Containment cavity: 50 [0059] Base: 51 [0060] Frame port: 511 0 [0061] Notch: 5131 [0062] Barrier wall: 5132 [0063] Elastic retaining arm: 514 [0064] Bump: 5140 [0065] Fixing part: 5 2 [0066] Stud: 521 099139533 Form number A0101 Page 10 / Total 19 page 0992068934-0