M379889 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種電子器件連接器，尤其涉及一種防水蜇連 接器。 【先前技術】 現有的連接器包括一金屬殼體，該金屬殼體内收容有一絕 緣本體，該絕緣本體上設有複數個導電端子。金屬殼體由金屬 板沖壓、裁切並彎折而成，其具有一基板，基板的相對兩側緣 分別彎折延伸有焊接腳，基板上開設有與對接插頭鎖扣配合的 卡持孔。 然而，該結構容易讓水從焊接腳與金屬殼體之間的空隙以 及該卡持孔流進連接器内，導致電路的短路，進而損壞連接器。 【新型内容】 本創作的目的在於針對上述現有技術的不足提供一種防 水型連接器。 為了實現上述目的，本創作提供一種防水型連接器，包栝 金屬内殼、金屬外殼、絕緣本體及複數導電端子，所述金屬殼 體具有一基板，基板的兩相對侧緣分別彎折延伸有一側板’兩 側板遠離基板的一側緣分別向内彎折延伸有一蓋板，兩蓋板、 兩侧板及基板圍成一收容空間，基板開有至少一卡持孔，卡持 孔的前端設有擋塊，絕緣本體具有容置金屬内殼的容置腔’金 屬内殼卡設於容置腔内，容置腔的後壁向前延伸有一舌板，舌 板貫穿於收容空間中，導電端子固定於舌板上，容置腔設有開 孔’金屬内殼從開孔延伸出一接地垂片，接地垂片彎折卡固於 絕緣本體上’金屬外殼套設於絕緣本體上並與接地垂片抵接。 如上所述，本創作防水型連接器的絕緣本體具有包覆金屬 3 内殼的容置腔，防止水從卡持孔流進連接器的PCB板上；同 時，金屬外殼與接地垂片抵接，充當接地功能，代替現有技術 金屬殼體的焊接腳的作用，從而避免水從焊接腳與金屬殼體之 間的空隙流到PCB板上，以確保電路的正常工作。 【實施方式】 為詳細說明本創作之技術内容、構造特徵、所達成目的及 功效，以下茲舉例並配合圖式詳予說明。 請參閱第一圖和第二圖，本創作防水型連接器100包括一 金屬内殼10、絕緣本體20、複數個導電端子30以及金屬外殼 40。絕緣本體20與導電端子30模内一體成型。 參閱第一圖至第四圖’金屬内殼10體具有一基板u，基 板11的兩相對側緣分別彎折延伸有一側板12，兩側板12遠 離基板的一側緣分別向内彎折延伸有一蓋板13，兩蓋板13、 兩側板12及基板11圍成一收容空間14，基板U靠前端對稱 開有兩個卡持孔15，卡持孔15的前端向外延伸有擋塊16，基 板11的後部延伸有一彎折的接地垂片17。 參閱第一圖至第五圖’絕緣本體20具有容置金屬内殼1〇 的容置腔21。容置腔21的前端設有導引部22，容置腔21的 後壁的内側向前延伸有舌板23 ’舌板23上設有端子收容槽（圖 未示），舌板23貫穿於容置腔21中。容置腔21的後壁外側對 稱設有兩凸起24，兩凸起24之間形成一凹部25，容置腔2工 的後壁對應凹部25處設有開孔26。容置腔21正對基板u的 腔壁的外側設有一凸塊211，容置腔21正對基板丨丨的腔壁内 側對應卡持孔15處開設有一凹槽212,容置腔21正對蓋板13 的腔壁的外側的兩側開有卡槽27。 參閱第六圖，導電端子30呈長條形，其具有一接觸部， M379889 一端子焊接部32，接觸部31與端子焊接部32之間為一彎折 部33。 參閱第一圖至第四圖，金屬外殼40具有與基板11正對的 外殼底板41，外殼底板41的兩相對側緣分別彎折延伸有一側 壁42，兩側壁42遠離外殼底板41的一側緣分別向内彎折延 伸有一卡臂43，卡臂43自其與側壁42交界處向外延伸有焊 接部44，側壁42對應焊接部44處開有通孔45，外殼底板41 對應凸塊25處設有一凹口 46，外殼底板41後部對應接地垂 片17處設有一抵接部47。 由於絕緣本體20與導電端子30模内一體成型，接觸部 31固定於舌板23的端子收容槽内，端子焊接部32外露在絕 緣本體20後，安裝時，只需把金屬内殼10塞進容置腔21内， 使擋塊16容置於凹槽212内，使接地垂片17伸出開孔26並 彎折卡固於絕緣本體20的凹部25上；然後把金屬外殼40套 設於絕緣本體20上，使金屬外殼40的前端抵接導引部22， 卡臂43卡設於卡槽27上，凹口 46與凸塊211卡接，抵接部 47與接地垂片17抵接，即完成安裝。 如上所述，本創作防水型連接器100的絕緣本體20具有 包覆所述金屬内殼10的容置腔21，防止水從卡持孔15流進 連接器的PCB板（圖未示）上；同時，金屬外殼40與接地垂 片17抵接，充當接地功能，代替現有技術金屬殼體的焊接腳 的作用，從而避免水從焊接腳與金屬殼體之間的空隙流到PCB 板上，以確保電路的正常工作。 【圖式簡單說明】 第一圖為本創作防水型連接器一實施例的立體圖。。 第二圖為本創作防水型連接器另一角度的立體圖。 5 M379889 第三圖為本創作防水型連接器一個角度的立體分解圖。 第四圖為本創作防水型連接器另一角度的立體分解圖。 第五圖為本創作防水型連接器的絕緣本體與導電端子一 個角度的裝配圖。 第六圖為本創作防水型連接器的導電端子一角度的立體 圖。 【主要元件符號說明】 防水型連接器 100 金屬内殼 10 基板 11 側板 12 蓋板 13 收容空間 14 卡持孔 15 擋塊 16 接地垂片 17 絕緣本體 20 容置腔 21 導引部 22 舌板 23 凸起 24 凹部 25 開孔 26 卡槽 27 凸塊 211 凹槽 212 導電端子 30 接觸部 31 端子焊接部 32 彎折部 33 金屬外殼 40 外殼底板 41 側壁 42 卡臂 43 焊接腳 44 通孔 45 凹口 46 抵接部 47M379889 V. New Description: [New Technology Field] This creation relates to an electronic device connector, and more particularly to a waterproof 蜇 connector. [Prior Art] A conventional connector includes a metal case in which an insulating body is housed, and the insulating body is provided with a plurality of conductive terminals. The metal casing is stamped, cut and bent by a metal plate, and has a substrate. The opposite side edges of the substrate are respectively bent and extended with welding legs, and the substrate is provided with a holding hole matched with the mating plug lock. However, the structure easily allows water to flow from the gap between the soldering leg and the metal case and the holding hole into the connector, causing a short circuit of the circuit and damaging the connector. [New Content] The purpose of this creation is to provide a water-proof connector for the above-mentioned deficiencies of the prior art. In order to achieve the above object, the present invention provides a waterproof connector, which comprises a metal inner casing, a metal casing, an insulative body and a plurality of conductive terminals. The metal casing has a substrate, and two opposite side edges of the substrate are respectively bent and extended. The side plates of the side plates are bent away from the side edges of the substrate to extend inwardly, and the two cover plates, the two side plates and the substrate enclose a receiving space, and the substrate has at least one holding hole, and the front end of the holding hole is provided The metal body of the insulating body has a receiving cavity for accommodating the metal inner casing. The metal inner casing is locked in the accommodating cavity, and the rear wall of the accommodating cavity has a tongue plate extending forwardly. The tongue plate penetrates through the accommodating space and is electrically conductive. The terminal is fixed on the tongue plate, and the receiving cavity is provided with an opening. The metal inner casing extends from the opening to a grounding tab. The grounding tab is bent and fastened to the insulating body. The metal casing is sleeved on the insulating body and is The grounding tab abuts. As described above, the insulating body of the present waterproof connector has a receiving cavity covering the inner casing of the metal 3 to prevent water from flowing from the holding hole into the PCB of the connector; meanwhile, the metal casing abuts against the grounding tab It acts as a grounding function to replace the soldering foot of the prior art metal housing, thereby preventing water from flowing from the gap between the soldering foot and the metal housing to the PCB to ensure proper operation of the circuit. [Embodiment] In order to explain in detail the technical contents, structural features, achieved goals and effects of the present invention, the following is a detailed description with reference to the drawings. Referring to the first and second figures, the present waterproof connector 100 includes a metal inner casing 10, an insulative housing 20, a plurality of conductive terminals 30, and a metal outer casing 40. The insulative housing 20 is integrally formed with the conductive terminal 30 in the mold. Referring to the first to fourth figures, the metal inner casing 10 has a substrate u. The opposite side edges of the substrate 11 are respectively bent and extended with a side plate 12, and the side edges of the two side plates 12 away from the substrate are respectively bent inwardly. The cover plate 13 , the two cover plates 13 , the two side plates 12 and the base plate 11 define a receiving space 14 . The base plate U is symmetrically opened with two latching holes 15 . The front end of the latching hole 15 extends outwardly with a stop 16 . A bent grounding tab 17 extends from the rear of the substrate 11. Referring to the first to fifth figures, the insulative housing 20 has a receiving cavity 21 for accommodating the inner metal casing 1〇. The front end of the accommodating cavity 21 is provided with a guiding portion 22, and the inner side of the rear wall of the accommodating cavity 21 extends forwardly with a tongue plate 23. The tongue plate 23 is provided with a terminal receiving groove (not shown), and the tongue plate 23 is inserted through The cavity 21 is accommodated. Two protrusions 24 are symmetrically disposed on the outer side of the rear wall of the accommodating cavity 21, and a recess 25 is formed between the two protrusions 24. The rear wall of the accommodating chamber 2 is provided with an opening 26 corresponding to the recess 25. The accommodating cavity 21 is provided with a protrusion 211 on the outer side of the cavity wall of the substrate u. The accommodating cavity 21 defines a groove 212 at a corresponding inner side of the cavity wall of the substrate ,, and the accommodating cavity 21 is opposite. A card slot 27 is formed on both sides of the outer side of the cavity wall of the cover plate 13. Referring to the sixth drawing, the conductive terminal 30 has an elongated shape having a contact portion, a M379889-terminal soldering portion 32, and a bent portion 33 between the contact portion 31 and the terminal soldering portion 32. Referring to the first to fourth figures, the metal casing 40 has a casing bottom plate 41 opposite to the substrate 11. The opposite side edges of the casing bottom plate 41 are respectively bent and extended with a side wall 42. The side walls 42 are separated from the side edge of the casing bottom plate 41. There is a card arm 43 extending inwardly. The card arm 43 extends outwardly from the side of the side wall 42 with a soldering portion 44. The side wall 42 has a through hole 45 corresponding to the soldering portion 44, and the housing bottom plate 41 corresponds to the bump 25 A notch 46 is provided, and an abutting portion 47 is disposed at a rear portion of the bottom plate 41 of the outer casing corresponding to the grounding tab 17 . Since the insulative housing 20 and the conductive terminal 30 are integrally molded in the mold, the contact portion 31 is fixed in the terminal receiving groove of the tongue plate 23, and the terminal soldering portion 32 is exposed after the insulating body 20, and only the metal inner casing 10 is inserted into the mounting. The accommodating cavity 21 is received in the recess 212, so that the grounding tab 17 extends out of the opening 26 and is bent and fastened to the recess 25 of the insulative housing 20; then the metal casing 40 is sleeved on In the insulative housing 20, the front end of the metal casing 40 abuts against the guiding portion 22, the latching arm 43 is engaged with the latching groove 27, the recess 46 is engaged with the bump 211, and the abutting portion 47 abuts the grounding tab 17 , that is, complete the installation. As described above, the insulative housing 20 of the present waterproof connector 100 has a receiving cavity 21 covering the metal inner casing 10 to prevent water from flowing from the retaining hole 15 into the PCB of the connector (not shown). At the same time, the metal casing 40 abuts against the grounding tabs 17, acting as a grounding function, instead of the welding legs of the prior art metal casing, thereby preventing water from flowing from the gap between the welding legs and the metal casing to the PCB board, To ensure the normal operation of the circuit. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of an embodiment of a waterproof connector. . The second figure is a perspective view of another angle of the creation of the waterproof connector. 5 M379889 The third figure is an exploded perspective view of the angle of the waterproof connector. The fourth figure is an exploded perspective view of another angle of the creation of the waterproof connector. The fifth figure is an assembly view of the insulating body of the water-repellent connector and the conductive terminals at an angle. The sixth figure is a perspective view of the conductive terminal of the water-repellent connector. [Main component symbol description] Waterproof connector 100 Metal inner casing 10 Base plate 11 Side plate 12 Cover plate 13 Housing space 14 Holding hole 15 Stop block 16 Grounding tab 17 Insulating body 20 accommodating chamber 21 Guide portion 22 Tongue plate 23 Bump 24 recess 25 opening 26 card slot 27 bump 211 groove 212 conductive terminal 30 contact portion 31 terminal soldering portion 32 bent portion 33 metal housing 40 housing bottom plate 41 side wall 42 card arm 43 soldering foot 44 through hole 45 notch 46 abutment 47