五、新型說明： 【新型所屬之技術領域】 _1]本創作涉及一種USB連接器，尤指一種可防誤插之USB連 接器。 【先前技術】 [0002] USB電連接器一般包括一個絕緣本體、若干安裝於該絕緣 本體上之導電端子、至少一個收容所述絕緣本體之鐵殼 及成型於鐵殼外之絕緣外模，其中所述絕緣本體還包括 一個與配接連接器對接的舌板，所述導電端子部分突出 於舌板平面與配接連接器電性連接。 [0003] 在曰常使用中，不易區別USB電連接器之正反面，造成用 戶需要經過反復嘗試，才能將USB電連接器正確插入，而 期間可能會有多次錯誤的插入操作，在大多數領域，Usb 電連接器是一種插拔頻率非常高的産品，如果在錯誤操 作中，用力過大可能會損壞USB電連接器之舌板及舌板上 之導電端子，甚至損壞配接連接器的使用。 [0004] 另，隨著電子技術的進步及消費者對産品便攜性要求的 提高，在電氣性能提高的同時，電子設備外接連接器産 品小巧化也成爲了一種必然趨勢，如迷你USB電連接器等 ;如此，USB連接器的舌板及導電端子的尺寸必然會相應 縮小，舌板及導電端子的強度相應地會降低，在誤插情 況下，更易造成舌板的損壞，減少了産品的使用壽命， 同時也給用户帶來不必要的麻煩，在電子産品曰益小型 化之趨勢下，如何防止USB電連接器誤插，顯得日益重要 表單编號A0101 第3頁/共16頁 M374692 [0005] 鑒於此，實有必要設計一種新的USB連接器來解決上述問 題。 【新型内容】 [0006] 本創作要解決的技術問題是提供一種設有防誤插結構之 USB連接器。 [0007] 為解決上述技術問題，本創作提供一種USB連接器，其包 括絕緣本體、收容於絕緣本體内之導電端子、用於包覆 收容絕緣本體之金屬殼體及一體成型於金屬殼體外之絕 緣外模，其中所述一體成型於金屬殼體上之絕緣外模設 置有至少一個開槽。 [0008] 與先前技術相比較，本創作具有以下優點：藉在絕緣外 模上設置開槽與配接電連接器配合而達到防誤插之效果 〇 【實施方式】 [0009] 請參閱第一圖及第五圖所示，本創作USB電連接器100包 括絕緣本體20、安裝於絕緣本體20内之導電端子（未圖 示）、包覆固持絕緣本體20外之金屬殼體3及成型於金屬 殼體3外之絕緣外模50。 [0010] 請參閱第三圖至第五圖所示，所述絕緣本體20包括與配 接連接器（未圖示）對接的舌部22、用於與外接線纜（ 未圖示）連接的尾部24及連接舌部22與尾部24的台階部 23，所述台階部23向上突起將舌部22及尾部24分隔開。 絕緣本體20在舌部22凹設形成有若干端子收容槽220，該 表單編號A0101 第4頁/共16頁 M374692 等端子收容槽220貫穿台階部23直至尾部24，所述導電端 子在尾部24與外接線纜相焊接。在絕緣本體20背面21對 應尾部24及台階部23處凹陷形成有收容槽210。 [0011] ，所述金屬殼體3包括第一殼體30及與第一殼體30配合收容 絕緣本體20之第二殼體40，第一殼體30包括插接部31及 自插接部31向後延伸形成的延伸部32，所述延伸部32頂 部是開放的，所述插接部31爲上下封閉的矩形結構，並 由此形成頂蓋311，所述頂蓋311後端靠近延伸部32處設 肴開口310，該開口310與延伸部32頂部連通。所述第二 殼體40安裝於第一殼體30延伸部32上，且其包括一遮蓋 面41及自遮蓋面41後端延伸形成用於夾持線纜之線束夾 42，遮蓋面41中部與第一殼體30之開口 310同一水平面 上向下凹陷形成凹陷槽410，該凹陷槽410收容於絕緣本 體20的收容槽210後部，且絕緣本體20之收容槽210前部 向前可延伸至頂蓋311下，在頂蓋311與絕緣本體20收容 槽210之間形成一與開口 310連通之空間。 [0012] 所述絕緣外模50—體成型包覆於金屬殼體3外，其包括兩 主體面51及兩側面52，所述兩個主體面51與兩側面52圍 設成一收容金屬殼體3的空間。所述絕緣外模50對應第二 殼體40凹陷槽410的一個主體面51上凹陷形成一個一端開 放且與外部連通之第一開槽510，該第一開槽510底壁 511向下凹陷對應收容於第二殼體40之凹陷槽410内，如 此，可以增加底壁511的厚度及強度以防止其發生翹曲脫 落。底壁511内側壁臨近末端處部分向前突伸形成一突伸 部53，該突伸部53收容入絕緣本體20收容槽210與第一 表單编號A0101 第5頁/共16頁 喊體30頂蓋311之間’所述第一開槽51〇底壁511部分覆 蓋於第一殼體30之頂蓋311上並與突伸部53夾持住第一殼 體30之頂蓋3U，且突伸部53之延伸長度大於底壁511包 覆頂蓋311之長度’在突伸部53與底壁511末端之間形成 有一個較厚的端部531，如此，可對覆蓋於頂蓋311上之 底壁511末端施加牽引力，防止因底壁511太薄而發生翹 曲之現象，保持USB電連接器1〇〇的整體實用性。絕緣外 模50另一個主體面51相對於第一開槽位置處還凹陷形 成有與第一開槽510大小不同之第二開槽512。配接連接 器包括有與USB電連接器1〇〇配接的收容插座（未圖示）及 自收容插座週邊向USB電連接器1〇〇方向延伸的絕緣包覆 部（未圖示）’該包覆部部分包覆了 USB電連接器1〇〇之絕 緣外模5 0，且在對應絕緣外模5 〇第一、第二開槽5丨〇、 512位置處分別設有與第一、第二開槽51〇、512相互配 合的凸肋結構，進而實現防誤插的目的。 [0013]請參閱第三圖至第六圖所示，重點參閱第六圖，以下將 詳細介紹USB電連接器1〇〇之安裝製造過程，首先，將絕 緣本體20安裝入第一殼體3〇内，其中舌部22及台階部23 安裝入插接部31内，尾部24位於延伸部32内，第一殼體 30之開口 310位於絕緣本鱧20的收容槽210上方；隨後， 將第二殼體40安裝於第一殼體3〇之延伸部32上，此時， 第二殼體40上之凹陷槽41〇對應收容於絕緣本體2〇上之收 容槽210内並將絕緣本體2〇固定於其内，所述第一殼體3〇 上之開口 310位於第二殼體4〇之凹陷槽410—侧，且凹陷 槽410的水平位置低於第一殼體30頂蓋3 η之水平位置； 表·單編號Α0101 第6頁/共16頁 M374692 最後，將絕緣外模50—體成型於安裝有絕緣本體20之金 屬殼體3週邊，在成型過程中，絕緣外模50在兩個主體面 51上會形成第一 '第二開槽510、512,第一開槽510底 壁511收容於第二殼體40之凹陷槽410内，且塑膠會順著 第一殼體30之開口 310注入絕緣本體20的收容槽210與第 一殼體30的頂蓋311之間，進而行成絕緣外模50的突伸部 53，而底壁511末端會覆蓋住第一殼體30的部分頂蓋311 〇 [0014] 比較於先前電連接器，本創作USB連接器100藉在絕緣外 模50上設置開槽510、512與配接電連接器配合而達到防 誤插之效果，從而保證了插拔之準確性，防止因誤插而 損壞USB電連接器之情況發生。 [0015] 本創作的技術内容和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進行種 種不背離本創作精神的替換和修飾。因此，本創作的保 護範圍應不限於實施方式所揭示的内容，而包括各種不 背離本創作的替換和修飾，均為本專士申請權利要求所 涵蓋。 【圖式簡單說明】 [0016] 第一圖是本創作USB連接器之正面立體圖； [0017] 第二圖是本創作USB連接器之反面立體圖； [0018] 第三圖是本.創作USB連接器之部分分解圖； [0019] 第四圖是本創作第一圖所示USB連接器之立體分解圖； 表單编號A0101 第7頁/共16頁 M374692 [0020] [0021] [0022] 第五圖為本創作第二圖所示USB連接器之立體分解圖； 第六圖為本創作第一圖所示U S B連接器沿VI - VI線之刳視 圖。 【主要元件符號說明】 USB連接器 100 絕緣本體 20 背面 21 收容槽 210 舌部 22 端子收容槽 220 台階部 23 尾部 24 金屬殼體 3 第一殼體 30 插接部 31 開口 310 頂蓋 311 延伸部 32 第二殼體 40 遮蓋面 41 凹陷槽 410 線束夾 42 絕緣外模 50 主體面 51 第一開槽 510 底壁 511 第二開槽 512 侧面 52 突伸部 53 端部 531 表單编號A0101 第8頁/共16頁V. New description: [New technology field] _1] This creation involves a USB connector, especially a USB connector that can prevent mis-insertion. [Prior Art] [0002] A USB electrical connector generally includes an insulative housing, a plurality of conductive terminals mounted on the insulative housing, at least one iron case for housing the insulative housing, and an insulating outer mold formed outside the iron case, wherein The insulative housing further includes a tongue plate that abuts the mating connector, and the conductive terminal portion protrudes from the tongue plane to be electrically connected to the mating connector. [0003] In the normal use, it is difficult to distinguish the front and back sides of the USB electrical connector, so that the user needs to repeatedly try to correctly insert the USB electrical connector, and there may be multiple incorrect insertion operations during the majority. In the field, the Usb electrical connector is a very high insertion and removal frequency. If the power is too large during the wrong operation, it may damage the tongue and the conductive terminals on the tongue of the USB electrical connector, or even damage the use of the mating connector. . [0004] In addition, with the advancement of electronic technology and the increase in consumer portability requirements, while the electrical performance is improved, the compactness of external connector products of electronic devices has become an inevitable trend, such as mini USB electrical connectors. In this way, the size of the tongue and the conductive terminals of the USB connector will be correspondingly reduced, and the strength of the tongue and the conductive terminals will be correspondingly reduced. In the case of mis-insertion, the damage of the tongue is more likely to occur, and the use of the product is reduced. Life expectancy also brings unnecessary trouble to users. How to prevent USB electrical connector from being inserted incorrectly under the trend of miniaturization of electronic products is becoming more and more important. Form No. A0101 Page 3 of 16 M374692 [0005 In view of this, it is necessary to design a new USB connector to solve the above problem. [New Content] [0006] The technical problem to be solved by this creation is to provide a USB connector with an anti-missing structure. [0007] In order to solve the above problems, the present invention provides a USB connector including an insulative housing, a conductive terminal received in the insulating body, a metal housing for enclosing the insulating body, and integrally formed outside the metal housing. An insulating outer mold, wherein the insulating outer mold integrally formed on the metal casing is provided with at least one groove. [0008] Compared with the prior art, the present invention has the following advantages: by providing a slot on the insulating outer mold and mating with the mating electrical connector to achieve the effect of preventing mis-insertion [Embodiment] [0009] Please refer to the first As shown in FIG. 5 and FIG. 5 , the USB electrical connector 100 of the present invention includes an insulative housing 20 , a conductive terminal (not shown) mounted in the insulative housing 20 , a metal housing 3 covering the outer surface of the insulative housing 20 , and a molding An insulating outer mold 50 outside the metal casing 3. [0010] Referring to the third to fifth figures, the insulative housing 20 includes a tongue 22 that interfaces with a mating connector (not shown) for connection to an external cable (not shown). The tail portion 24 and the connecting tongue portion 22 and the step portion 23 of the tail portion 24, the step portion 23 projecting upward to separate the tongue portion 22 and the tail portion 24. The insulative housing 20 is recessed in the tongue portion 22 to form a plurality of terminal receiving slots 220. The terminal receiving slots 220 of the form number A0101, page 4/16 pages M374692, extend through the step portion 23 to the tail portion 24, and the conductive terminals are at the tail portion 24 and The external cable is soldered. A receiving groove 210 is recessed in the rear surface 21 of the insulative housing 20 corresponding to the tail portion 24 and the step portion 23. [0011] The metal housing 3 includes a first housing 30 and a second housing 40 that cooperates with the first housing 30 to receive the insulative housing 20. The first housing 30 includes a plug portion 31 and a self-insertion portion. The extension portion 32 is formed to extend rearwardly. The top portion of the extension portion 32 is open. The insertion portion 31 is a rectangular structure that is closed up and down, and thus a top cover 311 is formed, and the rear end of the top cover 311 is adjacent to the extension portion. At 32, there is a dish opening 310 which communicates with the top of the extension 32. The second housing 40 is mounted on the extension 32 of the first housing 30 and includes a cover surface 41 and a rear end of the cover surface 41 to form a harness clamp 42 for clamping the cable. A recessed groove 410 is formed on the same horizontal surface as the opening 310 of the first housing 30. The recessed slot 410 is received in the rear of the receiving slot 210 of the insulative housing 20, and the front of the receiving slot 210 of the insulative housing 20 extends forward to Under the top cover 311, a space communicating with the opening 310 is formed between the top cover 311 and the receiving groove 210 of the insulative housing 20. [0012] The insulating outer mold 50 is integrally formed on the outside of the metal casing 3, and includes two main surfaces 51 and two side surfaces 52. The two main surfaces 51 and the two side surfaces 52 are surrounded by a metal shell. The space of body 3. The insulating outer mold 50 is recessed on a main body surface 51 of the recessed groove 410 of the second casing 40 to form a first slot 510 which is open at one end and communicates with the outside. The bottom wall 511 of the first slot 510 is recessed downward. It is housed in the recessed groove 410 of the second casing 40. Thus, the thickness and strength of the bottom wall 511 can be increased to prevent warping and falling off. A portion of the inner wall of the bottom wall 511 is protruded forwardly to form a protruding portion 53. The protruding portion 53 is received in the receiving body 210 and the first form number A0101. Between the top cover 311, the first slot 51 and the bottom wall 511 partially cover the top cover 311 of the first housing 30 and sandwich the top cover 3U of the first housing 30 with the protruding portion 53, and The extension length of the protruding portion 53 is greater than the length of the bottom wall 511 covering the top cover 311. A thicker end portion 531 is formed between the protruding portion 53 and the end of the bottom wall 511. Thus, the cover portion 311 can be covered. A pulling force is applied to the end of the upper bottom wall 511 to prevent warpage due to the bottom wall 511 being too thin, and the overall utility of the USB electrical connector 1 is maintained. The other outer surface of the insulating outer mold 50 is further recessed with respect to the first grooved position to form a second slit 512 different in size from the first slit 510. The mating connector includes a receiving socket (not shown) that is connected to the USB electrical connector 1A and an insulating covering portion (not shown) extending from the periphery of the receiving socket toward the USB electrical connector 1'. The covering portion partially covers the insulating outer mold 50 of the USB electrical connector 1 , and is respectively disposed at the position corresponding to the first and second slots 5 丨〇 and 512 of the corresponding insulating outer mold 5 〇 The second grooving 51 〇, 512 cooperate with the rib structure to achieve the purpose of preventing mis-insertion. [0013] Please refer to the third to sixth figures. Referring to the sixth figure, the installation and manufacturing process of the USB electrical connector 1A will be described in detail below. First, the insulative housing 20 is mounted into the first housing 3. In the case, the tongue portion 22 and the step portion 23 are mounted in the insertion portion 31, and the tail portion 24 is located in the extension portion 32. The opening 310 of the first housing 30 is located above the receiving groove 210 of the insulating base 20; The two housings 40 are mounted on the extensions 32 of the first housing 3, and the recessed slots 41 of the second housing 40 are correspondingly received in the receiving slots 210 of the insulative housing 2 and the insulative housing 2 is The opening 310 of the first casing 3 is located on the side of the recessed groove 410 of the second casing 4, and the horizontal position of the recessed groove 410 is lower than the top cover 3 of the first casing 30. Horizontal position; Table · Single number Α 0101 Page 6 / Total 16 pages M374692 Finally, the insulating outer mold 50 is integrally formed on the periphery of the metal casing 3 on which the insulating body 20 is mounted, and during the molding process, the insulating outer mold 50 is A first 'second slot 510, 512 is formed on the two body faces 51, and the first slot 510 bottom wall 511 is received in the first The recessed slot 410 of the housing 40 is inserted into the receiving slot 210 of the insulative housing 20 and the top cover 311 of the first housing 30 along the opening 310 of the first housing 30, thereby forming an insulating outer mold 50. The protruding portion 53 and the end of the bottom wall 511 cover the partial top cover 311 of the first housing 30. [0014] Compared with the previous electrical connector, the present USB connector 100 is opened on the insulating outer mold 50. The slots 510 and 512 cooperate with the mating electrical connector to achieve the effect of preventing mis-insertion, thereby ensuring the accuracy of the plugging and unplugging, and preventing the USB electrical connector from being damaged due to mis-insertion. [0015] 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 this creation is not limited to what is disclosed in the embodiments, and various alternatives and modifications that do not depart from the present invention are covered by this application. [0016] The first figure is a front perspective view of the USB connector of the present invention; [0017] The second figure is a reverse perspective view of the USB connector of the present invention; [0018] The third figure is a USB connection created by the present invention. Partial exploded view of the device; [0019] The fourth figure is an exploded perspective view of the USB connector shown in the first figure of the present invention; Form No. A0101 Page 7 of 16 M374692 [0020] [0022] The five figures are the exploded view of the USB connector shown in the second figure of the creation; the sixth figure is the view of the USB connector shown in the first figure of the creation along the VI-VI line. [Main component symbol description] USB connector 100 Insulating body 20 Back surface 21 Storage groove 210 Tongue 22 Terminal receiving groove 220 Step portion 23 Tail portion 24 Metal case 3 First case 30 Plug portion 31 Opening 310 Top cover 311 Extension 32 second housing 40 cover surface 41 recessed slot 410 harness clamp 42 insulating outer mold 50 body surface 51 first slot 510 bottom wall 511 second slot 512 side 52 protrusion 53 end 531 form number A0101 8 Page / Total 16 pages