M373581 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種電連接器及電連接器組合，特別 是指一種沉板式的電連接器及電連接器組合。 【先前技術】 曰 田电逆按态丄a 擴：：：會非常容易產生許多的微小裂縫，該些裂… 點裂開的段112 a的較厚的辉接點，造成㈣ 並配本創作人有感上述問題之可改善，乃濟心所: 問題之運用’而提出—種設計合理且有效改善上文 J嗖芝本創作。 犹會 請參閱第一圖及第二圖所示，習知電連接器丄a的金 屬设體1 〇 a具有外張類型的穿孔式焊接腳1 1 a，該焊 接腳1 1 a具有一外張的水平延伸段llla、及一自該 水平延伸段1 1 1 a末端朝下彎折的焊接段1 1 2 a。在 安裝該電連接器1 a於一印刷電路板2 〇 a的安裝面2丄 a時，该焊接段1 1 2 a插置於該印刷電路板2 〇 a的插 孔2 2 a中，且利用液態的焊料在該焊接段丄丄2 a處形 成焊接點。因為該水平延伸段ii a會貼在該印別電路 =2 0 a的安裝面2 i a上，所以在焊接時，液態的焊料 g因為水平延伸段1 1 1 a與印刷電路板2 〇 a的安裝面 ^a之間的微小間隙23a (請配合參閱第三圖所济） 生吸附現象，使液態焊料吸附到這個間隙2 3 a之間而 生非常薄的焊料層，當電連接器1 a受力時，這個薄的 M373581 【新型内容】 本創作之主要目的，在於提供一種可防止產生焊接缺 陷的電連接器及電連接器組合。 、 為了達成上述之目的，本創作係提供一種電連接器， 包括.一絕緣本體；多數導電端子，其設置於該絕緣本體； 一金屬殼體，其套組在該絕緣本體外，該金屬殼體包 I頂壁、一底壁、及連接於該頂壁與該底壁兩侧的二侧 f ’該二側壁分別設有—焊接腳，各焊接聊具有-朝外延 的k伸&、及一自該延伸段末端朝下彎折的焊接段；其 在於.所述各焊接腳在該延伸段與該焊接段之間的彎 折處設有1伸到_接段及麵伸段的集㈣孔。 ^創作另提供—種電連㈣組合，包括：—印刷電蹈 彳有一安裝面、及二插孔；以及一電連接器，其安 二在板的安裝面’該電連接器包含一絕緣本 -夕數U於魏緣本體的導電端子、及—套组在該 絕緣本體外的金屬殼體，該金屬殼體包含一頂壁、一底辟、 該頂壁與該底壁兩側的二侧壁，該二側壁分別設 有一祕腳，各谭接腳具有—朝外延伸的延伸段、及一自 折的焊接段，該延伸段位於該印刷電 轉接餘置在料㈣路板的插孔 二；所述各焊接腳在該延伸段與該焊接段之 ::隹伸到該焊接段及該延伸段的集焊料 ’ ^刀的i焊料孔位於該印刷電路 另-部份的該料料孔位於該㈣電路板的插 本創作具有以下有益效果：本創作電連接器的谭接腳 M373581 在該延伸段與該焊接段之間”折處具有延伸至該焊接段 及該延伸段的集焊料孔，使液態焊料得以厚實地集聚到該 延射又與》亥印刷電路板的安巢面之間，藉此增強對該焊接 腳的固持力量及焊接的強度，並防止薄烊料層的產生及其 所導致的焊接缺陷。 、為使此更進-步瞭解本創作之特徵及技術内容，請參 閱以下有關本創作之詳細說明與附圖，然而所附圖式僅提 .供參考與說明用，並非用來對本創作加以限制者。 • 【實施方式】 1二至七圖所示，本創作係提供—種電連接器 ? α1包括絕緣本體10、多數導電端子 屬ο σ其中該絕緣本體i Q具有一基 —舌板1 2，該舌板1 2係自該基部1 1前端 面朝前方向延伸形成。 制亥些導電端子2㈣以具料電性及彈性的金屬材料 導電端子2 〇對應地組裳 古:、、、巴、林體1 〇内。各導電端子2 ◦的—端具有一朝前 :延伸且路出於該舌板丄2 一側表面的接觸部2 1，圖 ^中該接卿2 1係露㈣該錢χ 2下絲面，但不限 =各導電端子2◦的另—端彎折形成一焊接部2 2，节 4接部22係朝後方向水平延伸出該絕緣本體1〇外。^ 該金屬殼體3 〇係套組於該絕緣本體丄〇外，以達 方止電磁干擾的功效。該金屬殼體3 ◦包含—頂壁 ^底壁3 及連接於該頂壁3 !與該底壁3 2兩側的丄 貝1壁3 3。該二侧壁3 3分別設有—朝下延伸的第—焊接 5 M373581 腳3 4 ’各第一焊接腳3 4具有一朝外延伸的延伸段3 4 1、 及一自該延伸段3 4 1末端朝下彎折的焊接段3 4 2、 此外’所述各第一焊接腳3 4在該延伸段3 4 1與該 焊接段3 4 2之間的彎折處設有一延伸到該焊接段3 4 2 及該延伸段3 4 1的集焊料孔3 4 3。 另外’該金屬殼體3 0可在該頂壁3 1的後端進一步 彎折延伸有一對應該絕緣本體i 〇後端的後壁3 6，該後 壁3 6的底端朝下彎折延伸二第二焊接腳3 7，各第二焊 接腳3 7末端形成一焊接段3 7 1。 此外，該金屬殼體3 0的頂壁3 1後端部間隔地設有 二第一固定片3 8，而該底壁3 2後端部間隔地設有二第 二固定片3 9 (請配合參閱第四圖及第八圖所示）。該絕 緣本體1 0在對應該二第一固定片3 8、該二第二固定片 3 9的位置設有二第一固定凹槽i 3、二第二固定凹槽工 4。在本貫施例中，該二第一固定凹槽1 3係分別内凹形 成於该基部1 1頂面靠近兩側處，而該二第二固定凹槽1 4係分別内凹形成於該基部1 1底面靠近兩侧處。在該金 屬殼體3 0套組於該絕緣本體1〇後，該第一固定片3 8、第二固定片3 9係分別彎折固定在該第一固定凹槽1 3、 第二固定凹槽14内，以使該金屬殼體3 〇限位固定 在該絕緣本體1 〇上。 睛參閱第四圖及第五圖所示’本創作之電連接器1係 用以安裝於一印刷電路板4 0上，以形成一電連接器組 合。該印刷電路板4 〇具有一安裝面4 1、一相反於該安 裝面41的背面42、及一貫穿該安裝面4 1與該背面4 M373581 的安裝開口 4 3 °其中該安裝面4 1上間隔地設有多數 個導電塾4 1 1。該印刷電路板4 0另具有二第-插孔4 4與二第二插孔4 5分別貫穿該安裝面4 1與該背面4 2 (請配合參閱第八圖及第九圖所示），該二第-插孔44 位在該安裝開口 4 3的兩側，而該二第二插孔4 5則位在 該些導電墊411的兩側。 6安裝該電連接ϋ i'時’該電連接器丄自該印刷電路板 之安裝面4 1的方向下沉組裝於該安裝開口4 3，而形成 -種沉板摘設計。各導t端子2 Q的焊料2 2係 在對應的導電塾4 1 1，使制電連接ϋ 1電性連接於该 印刷電路板4 0預設的電路。請再參閱第四圖、第八圖、Λ 及第九圖所示’此時該金屬殼體3◦的第一焊接腳3 延伸段3 4 1會貼在該印刷電路板4 〇的安裝面4丄上。 而該二第一焊接腳3 4的焊接段3 4 2與二第二焊接腳； 7的焊接段3 7 1係分別對應地插置蚊在該二第 ^與;第，插孔4 5内，及進-步焊接，以使該電連接 固疋於邊印刷電路板4 〇上。而且該第一焊接腳3 4 7接段3 4 2末端與第二焊接腳3 7的焊接段3 7丄末 端皆不凸出該印刷電路板4 〇的背面4 2。此外，各第一 2腳3 4部分的該集㈣孔3 4 3位於該印刷電路板4 U的安裝.面4 1上，而另一部份的該集焊料孔3 4 3位於 =印=電路板40的第-插孔44内，故在以液態的輝料 行烊接作業時，焊料會集聚堆積於該集焊料孔3 4 3 處’使得焊料的附著面積增加。 是以，本創作的電連接器1的各第一焊接腳3 4工在 M373581 該延伸段3 4 1與鱗接段3 4 2之間的.特處具有 至該焊接段3 4 2及麵伸段3 4 i的賴料孔3 4 3， 使液態焊料得以厚實轉聚到該延伸段3 4 1與該印刷電 路板4 0的安裝面41之間，藉此增強對該第一焊接腳2 4的固持力1及4接的強度，並防止薄焊料層的產生及其 所導致的焊接缺陷。 惟以上所述僅為本創作之較佳'可行實施例，非因此即 侷限本創作之專利範圍，故舉凡運用本創作說明書及圖式 内容所為之等效結構變化，均同理皆包含於本創作之範圍 内，合予陳明。 【圖式簡單說明】 禁一圖係習知電連接器安裝於印刷電路板時的立體組合 圖。 第二圖係習知電連接器安裝於印刷電路板時的俯視圖。 第三圖係第一圖的3 — 3剖视圖。 第四圖係本創作之電連接器與印刷電路板的立體分解圖。 第五圖係本創作之電連接器安裝於印刷電路板時的立體組 合圖。 第六圖係本創作之電連接器安裝於印刷電路板時的俯視 圖。 第七圖係第六圖的7—7剖视圖。 第八圖係第六圖的8 — 8剖視圖。 第九圖係第六圖的9 — 9剖視圖。 8 M373581 【主要元件符號說明】 〔習知〕 la 電連接器 1 0 3 金屬殼體 水平延伸段 焊接段 11a 焊接腳 111a 112a 2 0a 印刷電路板 21a 安裝面 2 2a 插孔 2 3a 間隙 〔本創作〕 1 電連接器 10 絕緣本體 11 基部 1 2 舌板 13 第一固定凹槽 14 第二固定凹槽 2 0 導電端子 2 1 接觸部 2 2 焊接部 3 0 金屬殼體 3 2 底壁 3 3 側壁 3 4 第一焊接腳 341 延伸段 342 桿接段 343 集焊料孔 3 6 後壁 3 7 第二焊接腳 371 焊接段 3 8 第一固定片 3 9 第二固定片 印刷電路板 4 1 安裝面 411 導電墊 4 2 背面 4 3 安裝開口 M373581 4 4 第一插孔 4 5 第二插孔M373581 V. New description: [New technical field] This creation is about a combination of electrical connectors and electrical connectors, especially a type of sinking electrical connector and electrical connector. [Prior Art] Putian electricity reverse state 丄 a expansion::: will be very easy to produce many tiny cracks, the cracks ... point cracked section 112 a thicker glow junction, resulting in (4) with the creator I feel that the above problems can be improved, and it is the heart of the problem: the application of the problem is proposed - a reasonable design and effective improvement of the above J. Referring to the first and second figures, the metal body 1 〇a of the conventional electrical connector 丄a has a perforated soldering pin 1 1 a of the outer type, and the soldering leg 1 1 a has an outer a horizontal extension llla of the sheet, and a welded section 1 1 2 a bent downward from the end of the horizontal extension 1 1 1 a. When the electrical connector 1a is mounted on the mounting surface 2a of a printed circuit board 2A, the soldering section 1 1 2 a is inserted into the jack 2 2 a of the printed circuit board 2 〇a, and A solder joint is formed at the soldering section 2a using liquid solder. Since the horizontal extension ii a is attached to the mounting surface 2 ia of the printing circuit = 20 a, the liquid solder g is soldered to the printed circuit board 2 〇a during the soldering because of the horizontal extension 1 1 1 a A small gap 23a between the mounting faces ^a (please refer to the third figure). The adsorption phenomenon causes the liquid solder to adsorb between the gaps 2 3 a to produce a very thin solder layer when the electrical connector 1 a When stressed, this thin M373581 [new content] The main purpose of this creation is to provide a combination of electrical connectors and electrical connectors that can prevent soldering defects. In order to achieve the above object, the present invention provides an electrical connector, comprising: an insulative housing; a plurality of conductive terminals disposed on the insulative housing; a metal housing disposed outside the insulating body, the metal shell a top wall of the body bag I, a bottom wall, and two sides f' connected to the top wall and the two sides of the bottom wall respectively. The two side walls are respectively provided with welding legs, and each welding has a -K extension & And a welding segment bent downward from the end of the extension portion; wherein the welding legs are provided with a 1 extension to the _ junction and the surface extension portion at a bend between the extension portion and the welded portion Set (four) holes. ^Creation provides another type of electrical connection (four), including: - printing circuit has a mounting surface, and two jacks; and an electrical connector, the second mounting surface of the board - the electrical connector contains an insulation a conductive terminal of the U-shaped U-shaped body, and a metal casing disposed outside the insulating body, the metal casing comprising a top wall, a bottom, the top wall and two sides of the bottom wall a side wall, the two side walls are respectively provided with a secret leg, each of the tan pins has an extension extending outwardly, and a self-folding welding section, wherein the extension section is located at the printing electrical transfer remaining in the material (four) road plate a socket 2; the soldering legs of the soldering leg and the soldering section of the soldering section and the soldering section of the soldering section of the soldering section are located at another portion of the printed circuit The insert of the material hole in the (four) circuit board has the following beneficial effects: the tan pin M373581 of the present invention has a "fold" extending between the extension and the welding section to the welded section and the extension The set of solder holes allows the liquid solder to be thickly concentrated to the extension and Between the nesting surfaces of the printed circuit board, thereby enhancing the holding force of the soldering foot and the strength of the soldering, and preventing the generation of the thin layer of germanium and the resulting soldering defects. For the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the creation. As shown in the second to seventh figures, the present invention provides an electrical connector? α1 includes an insulative housing 10, and a plurality of conductive terminals ο σ, wherein the insulative housing i Q has a base-to-tongue plate 12, and the tongue plate 12 The front end surface of the base portion 1 1 is formed to extend in the forward direction. The conductive terminals 2 (4) are made of metal materials having electrical and elastic properties, and the conductive terminals 2 are correspondingly arranged in the group: , , , and the body of the forest. The end of each of the conductive terminals 2 具有 has a front side: a contact portion 2 extending from the surface of the tongue 丄 2 side, and the contact 2 2 is exposed (4) the money χ 2 lower surface , but not limited to = the other end of each conductive terminal 2 弯 bends to form a welded portion 2 2. The joint portion 22 of the joint 4 extends horizontally out of the insulating body 1 . The metal shell 3 is sleeved outside the insulating body to achieve the effect of electromagnetic interference. The housing 3 includes a top wall 3 and a mussel 1 wall 3 3 connected to the top wall 3 and the bottom wall 3 2 . The two side walls 3 3 are respectively provided to extend downward First - welding 5 M373581 feet 3 4 'each first welding leg 3 4 has an outwardly extending extension 3 4 1 , and a welded section 3 4 2 bent from the end of the extension 3 4 1 The first soldering legs 34 are provided with a soldering strip extending to the soldering section 3 4 2 and the extending section 34 1 at a bend between the extending section 341 and the soldering section 342 Hole 3 4 3. In addition, the metal casing 30 can be further bent at the rear end of the top wall 31 to extend a pair of rear walls 3 6 which should insulate the rear end of the body i 6,. The bottom end of the rear wall 36 extends downwardly. The second soldering leg 3-7 has a soldering section 317 formed at the end of each of the second soldering legs 37. In addition, the rear end portion of the top wall 3 1 of the metal casing 30 is provided with two first fixing pieces 3 8 , and the rear end of the bottom wall 3 2 is provided with two second fixing pieces 3 9 (please See the fourth and eighth figures for cooperation.) The insulating body 10 is provided with two first fixing grooves i 3 and two second fixing grooves 4 at positions corresponding to the two first fixing pieces 38 and the two second fixing pieces 39. In the present embodiment, the two first fixing grooves 13 are respectively concavely formed on the top surface of the base portion 1 1 near the two sides, and the two second fixing grooves 14 are respectively concavely formed on the The bottom surface of the base 11 is near the sides. After the metal casing 30 is assembled to the insulative housing 1 , the first fixing piece 38 and the second fixing piece 39 are respectively bent and fixed to the first fixing groove 13 and the second fixing concave. The groove 14 is fixed in the metal body 3 to the insulating body 1 〇. Referring to the fourth and fifth figures, the electrical connector 1 of the present invention is mounted on a printed circuit board 40 to form an electrical connector assembly. The printed circuit board 4 has a mounting surface 41, a back surface 42 opposite to the mounting surface 41, and a mounting opening 4 3 through the mounting surface 41 and the back surface M373581, wherein the mounting surface 41 A plurality of conductive turns 4 1 1 are provided at intervals. The printed circuit board 40 has two second jacks 4 and two second jacks 45 respectively extending through the mounting surface 4 1 and the back surface 4 2 (please refer to the eighth and ninth figures). The two first sockets 44 are located on opposite sides of the mounting opening 43 and the second sockets 45 are located on opposite sides of the conductive pads 411. 6 When the electrical connector 安装 i' is mounted, the electrical connector is sunk from the mounting surface 41 of the printed circuit board and assembled in the mounting opening 43 to form a sinker design. The solder 2 2 of each of the t terminals 2 Q is connected to the corresponding conductive 塾 4 1 1 to electrically connect the electrical connection ϋ 1 to the circuit preset by the printed circuit board 40. Please refer to the fourth, eighth, Λ and ninth diagrams again. 'At this time, the first soldering leg 3 extension 3 4 1 of the metal casing 3 会 will be attached to the mounting surface of the printed circuit board 4 〇 4 丄. And the welding section 3 4 2 of the two first welding legs 34 and the second welding leg of the second welding leg; 7 are correspondingly inserted into the mosquitoes in the second and the second; And step-by-step soldering so that the electrical connection is fixed to the side printed circuit board 4 。. Moreover, the end of the first soldering leg 3 4 7 and the end of the soldering leg 3 7 of the second soldering leg 3 7 do not protrude from the back surface 42 of the printed circuit board 4 . In addition, the set (four) hole 3 4 3 of each of the first 2 legs 34 portion is located on the mounting surface 41 of the printed circuit board 4 U, and the other portion of the collector solder hole 3 4 3 is located at = printing = In the first hole 44 of the circuit board 40, when the liquid is cleaned by the liquid material, the solder is accumulated and accumulated at the collector hole 3 4 3 'to increase the adhesion area of the solder. Therefore, each of the first soldering legs 34 of the electrical connector 1 of the present invention has a working point between the extension portion 341 and the squaring junction 3 4 2 at M373581. Extending the gap 3 4 3 of the section 3 4 i, the liquid solder is thickly transferred between the extension section 341 and the mounting surface 41 of the printed circuit board 40, thereby reinforcing the first soldering leg The holding force of 2 4 is the strength of 1 and 4, and prevents the generation of a thin solder layer and the resulting soldering defects. However, the above is only the preferred 'feasible embodiment' of this creation, and therefore does not limit the scope of the patent. Therefore, the equivalent structural changes made by the use of this creation manual and the contents of the drawings are included in this section. Within the scope of creation, he is given to Chen Ming. [Simple diagram of the diagram] The forbidden picture is a three-dimensional combination diagram of the conventional electrical connector mounted on a printed circuit board. The second figure is a top view of a conventional electrical connector mounted on a printed circuit board. The third figure is a 3 - 3 cross-sectional view of the first figure. The fourth figure is an exploded view of the electrical connector and printed circuit board of the present invention. The fifth figure is a three-dimensional combination of the electrical connector of the present invention mounted on a printed circuit board. Figure 6 is a top plan view of the electrical connector of the present invention mounted on a printed circuit board. The seventh drawing is a sectional view taken along line 7-7 of the sixth drawing. The eighth figure is a sectional view of Fig. 8-8 of the sixth figure. The ninth drawing is a sectional view of 9-9 of the sixth drawing. 8 M373581 [Explanation of main component symbols] [General] la Electrical connector 1 0 3 Metal housing horizontal extension section Welding section 11a Soldering leg 111a 112a 2 0a Printed circuit board 21a Mounting surface 2 2a Jack 2 3a Clearance 〕 1 Electrical connector 10 Insulating body 11 Base 1 2 Tongue plate 13 First fixing groove 14 Second fixing groove 2 0 Conductive terminal 2 1 Contact portion 2 2 Weld portion 3 0 Metal case 3 2 Bottom wall 3 3 Side wall 3 4 First soldering foot 341 Extension 342 Rod connection 343 Collecting solder hole 3 6 Rear wall 3 7 Second soldering leg 371 Welding section 3 8 First fixing piece 3 9 Second fixing piece Printed circuit board 4 1 Mounting surface 411 Conductive pad 4 2 back 4 3 mounting opening M373581 4 4 first jack 4 5 second jack