1269494 五、發明說明（1) 【發明所屬之技術領域】 本發明係有關一種電連接器，尤指一種可安裝於電路 板上的電連接器。 【先前技術】 按’隨著資訊產業的發展，各種便攜型電子產品越來 越普及，快閃記憶體盤（USB Flash Disk)已成為目前市 場上最普及之便攜型電子產品之一，其與電腦或其他電子 產品之間的資料交換是藉通用串列匯流排（Universal Serial Bus; USB )連接器來實現的，如中國專利公告第 C N 2 5 1 4 5 1 Ο Y號揭示之一種通用串列匯流排插座，該插座 包括一固疋座、複數傳輸片、一金屬外殼，傳輸片固定於 固定座中，金屬外殼包覆於固定座上。傳輸片與電路主板 連接之一端凸伸出固定座外以與電路板電性連接。另，為 加強該種插座安裝在電路板上之穩定性，業界所採用之^ 法之一是將該種插座之安裝端及其所安裝之電路板成型於 一塑膠外殼内。惟，由於塑膠外殼與插座之間之结合不夠 牢固，在插座與其他電子元件反復插拔之過程中，^ 致插座與塑膠外殼分離，從而影響插座安裝在電路板上 穩定性及二者之間之電性連接。 【發明内容】 本發明之目的在於提供一 路板一起成型在一塑膠外殼内 連接器可牢固結合，以確保電 定性。 種可安裝於電路板上且與電 的電連接器，塑膠外殼與電 連接器安裝在電路板上之穩1269494 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field The present invention relates to an electrical connector, and more particularly to an electrical connector mountable on a circuit board. [Prior Art] According to the development of the information industry, various portable electronic products are becoming more and more popular. The USB Flash Disk has become one of the most popular portable electronic products on the market. The exchange of data between computers or other electronic products is realized by a Universal Serial Bus (USB) connector, such as a universal string disclosed in Chinese Patent Publication No. CN 2 5 1 4 5 1 Ο Y. The bus bar socket comprises a fixing seat, a plurality of conveying pieces, a metal casing, the conveying piece is fixed in the fixing seat, and the metal casing is covered on the fixing seat. One end of the connecting piece of the transmitting piece and the circuit board protrudes out of the fixing seat to be electrically connected to the circuit board. In addition, in order to enhance the stability of the socket mounted on the circuit board, one of the methods used in the industry is to form the mounting end of the socket and the circuit board mounted thereon in a plastic casing. However, since the combination between the plastic case and the socket is not strong enough, during the process of repeatedly plugging and unplugging the socket and other electronic components, the socket is separated from the plastic case, thereby affecting the stability of the socket mounted on the circuit board and between the two. Electrical connection. SUMMARY OF THE INVENTION It is an object of the present invention to provide a circuit board that is molded together in a plastic housing and that can be firmly coupled to ensure electrical stability. An electrical connector that can be mounted on a circuit board and that is electrically connected to the circuit, and the plastic case and the electrical connector are mounted on the circuit board.
五、發明說明（2) 山本發明電連接器，包括端子座、複數端子及金屬外殼 。端子座包括安裝端及對接端。端子固定於端子座中，金 屬外殼係包覆於端子座上。端子座之安裝端開設有凹槽， 金屬外设上開设有通孔與端子座之凹槽相連通。 與習知技術相比，本發明安裝於電路板上後，與電路 板厂起成型於塑膠外殼内時，部分塑膠可藉金屬外殼之通 孔進入端子座之凹槽中，使塑膠座與電連接器牢固地結合 於一起，提高了電連接器安裝在電路板上之穩定性，保證 電連接器與電路板之間之電性連接。 【實施方式】 請參閱第一圖至第三圖所示，本發明電連接器1〇〇包 括金屬外殼1、端子座2和複數端子3。端子座2包括安裝端 20、與安裝端相對之對接端21、上表面22、下表面23及貫 穿安裝端和對接端之複數收容通道24。上表面22上設有第 -凹槽220及卡扣槽222，下表面23上設有一對第二凹槽 230。端子3收容於端子座2中，每一端子3均包括焊接部 3 0、對接部3 2及連接焊接部3 〇和對接部3 2之中間部3丨，中 間部31上設有卡持片33。焊接部30突伸出端子座2之安裝 端20，中間部31收容於收容通道24内，卡持片⑽與收容通 道24之内壁干涉配合，以將端子3固持在端子座2内。 金屬外殼1係對應於端子座2的形狀設置且包覆於端子 座2上，用以提供防電磁干擾的功能。金屬外殼丨包括一頂 壁11及一底壁12，且頂壁U靠近端子座2之安裝端2〇之一、 端開設有一第一通孔110，底壁12靠近端子座2之安裝端2〇 1269494V. INSTRUCTIONS (2) Yamamoto's invention electrical connector includes a terminal block, a plurality of terminals and a metal casing. The terminal block includes a mounting end and a mating end. The terminal is fixed in the terminal block, and the metal casing is wrapped around the terminal block. A mounting groove is formed in the mounting end of the terminal block, and a through hole is formed in the metal peripheral to communicate with the groove of the terminal block. Compared with the prior art, after the invention is mounted on the circuit board, when the circuit board factory is formed in the plastic casing, part of the plastic can enter the groove of the terminal block through the through hole of the metal casing, so that the plastic seat and the electric seat are electrically connected. The connectors are firmly bonded together to improve the stability of the electrical connector mounted on the circuit board and to ensure an electrical connection between the electrical connector and the circuit board. [Embodiment] Referring to the first to third figures, the electrical connector 1 of the present invention includes a metal case 1, a terminal block 2, and a plurality of terminals 3. The terminal block 2 includes a mounting end 20, a mating end 21 opposite the mounting end, an upper surface 22, a lower surface 23, and a plurality of receiving passages 24 penetrating the mounting end and the mating end. The upper surface 22 is provided with a first groove 220 and a snap groove 222, and the lower surface 23 is provided with a pair of second grooves 230. The terminal 3 is received in the terminal block 2, and each of the terminals 3 includes a soldering portion 30, an abutting portion 3 2 and an intermediate portion 3丨 connecting the soldering portion 3 and the mating portion 3 2 , and the intermediate portion 31 is provided with a holding piece 33. The soldering portion 30 protrudes from the mounting end 20 of the terminal block 2, and the intermediate portion 31 is received in the receiving passage 24, and the holding piece (10) is interference-fitted with the inner wall of the receiving passage 24 to hold the terminal 3 in the terminal block 2. The metal casing 1 is provided corresponding to the shape of the terminal block 2 and is wrapped around the terminal block 2 to provide a function of preventing electromagnetic interference. The metal casing 丨 includes a top wall 11 and a bottom wall 12, and the top wall U is adjacent to one of the mounting ends 2 of the terminal block 2, and a first through hole 110 is defined in the end, and the bottom wall 12 is close to the mounting end 2 of the terminal block 2. 〇1269494
之一端開設有一對第二通孔120。另，金屬外殼i之頂壁u 上設有卡扣部1 1 2。 當金屬外殼1包覆於端子座2上時，金屬外殼丨之頂辟 11上開設之第一通孔11 〇與端子座2上表面22之第一凹槽么 220相連通，金屬外殼i之底壁12上開設之第二通孔12〇曰與 端子座2下表面23之第二凹槽230相連通，金屬外殼1之 扣部112則與端子座2之卡扣槽222配合，以將金屬外殼1固 持在端子座2上。 爹見第一、第二及第四圖所示，使用時，端子座2之 安裝端20安裝於電路板（未圖示）上，端子3的焊接部3〇 與電路板上相應的接觸墊電性連接，再將電連接器1〇〇靠 近電路板之一端及其所安裝之電路板一起成型於:塑膠外 殼4内。在注塑成型之過程中，塑膠藉金屬外殼丨之頂壁η 上開没之第一通孔11 0、底壁1 2上開設之第二通孔丨2 〇分別 進入端子座2上表面22之第一凹槽2 2〇、下表面23之第二凹 槽230内，成型後，該部分進入端子座2之第一、第二凹样 220、230内之塑膠將電連接器100與塑膠外殼4牢固:钍二 於一起，進而增加電連接器100安裝在電路板上之穩定性^ ，以確保電連接器1 0 0與其他對接電子元件間準確地對接 〇 綜上所述，本發明確已符合發明專利之要件，爰依法 提出專利申請。惟，以上所述僅為本發明之較佳實施方式 ，自不能以此限定本發明之權利範圍。舉凡所屬技術領^ 中具有通常知識者爰依本發明之精神所作之等效修飾或變One of the ends is provided with a pair of second through holes 120. In addition, a buckle portion 1 1 2 is provided on the top wall u of the metal casing i. When the metal casing 1 is covered on the terminal block 2, the first through hole 11 开设 opened in the pedestal 11 of the metal casing 连通 communicates with the first groove 220 of the upper surface 22 of the terminal block 2, and the metal casing i The second through hole 12 开设 opened in the bottom wall 12 communicates with the second groove 230 of the lower surface 23 of the terminal block 2 , and the buckle portion 112 of the metal case 1 cooperates with the locking groove 222 of the terminal block 2 to The metal casing 1 is held on the terminal block 2. As seen in the first, second and fourth figures, in use, the mounting end 20 of the terminal block 2 is mounted on a circuit board (not shown), the soldering portion 3 of the terminal 3 and the corresponding contact pad on the circuit board. Electrically connected, the electrical connector 1 is formed near the one end of the circuit board and the circuit board mounted thereon in the plastic housing 4. In the process of injection molding, the first through hole 11 0 opened on the top wall η of the metal casing 、, and the second through hole 丨 2 开设 opened in the bottom wall 12 respectively enter the upper surface 22 of the terminal block 2 The first recess 2 2 〇, the second recess 230 of the lower surface 23, after molding, the portion enters the first and second recesses 220, 230 of the terminal block 2, the plastic connector 100 and the plastic housing 4 Firm: The two together, thereby increasing the stability of the electrical connector 100 mounted on the circuit board ^ to ensure accurate interconnection between the electrical connector 100 and other docking electronic components, the present invention does Has met the requirements of the invention patent, and filed a patent application 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 thereto. Equivalent modifications or changes made by those skilled in the art in accordance with the spirit of the present invention
第7頁 1269494 五、發明說明（4) 化，皆仍涵蓋於後附之申請專利範圍内 im 1269494 圖式簡單說明 第 一 圖 係 本發 明 電 連接器之. 立體圖。 第 二 圖 係 本 發 明 電 連接器另 一角度之 立 體 圖。 第 三 圖 係 第 一 圖 所 示之電連- 接器之立 體 分 解圖 〇 第 四 圖 係 第 一 圖 所 示之電連- 接器上包 覆 一 塑膠外殼後之 體 示 意 圖 〇 [ 主 要 元 件 符 號 ] 電 連 接 器 100 金 屬 外 殼 1 頂 壁 11 第 一 通 孔 110 卡 扣 部 112 底 壁 12 第 二 通 孔 120 端 子 座 2 安 裝 端 20 對 接 端 21 上 表 面 22 第 一 凹 槽 220 卡 扣 槽 222 下 表 面 23 第 二 凹 槽 230 收 容 通 道 24 端 子 3 焊 接 部 30 中 間 部 31 對 接 部 32 卡 持 片 33 塑 膠 外 殼 4Page 7 1269494 V. Inventive Note (4), all still covered in the scope of the appended patent application im 1269494 Brief Description of the Drawings First Figure is a perspective view of the electrical connector of the present invention. The second figure is a perspective view of the electrical connector of the present invention at another angle. The third figure is the exploded view of the electrical connector shown in the first figure. The fourth figure is the schematic diagram of the electrical connector on the electrical connector shown in the first figure. [Main component symbol ] Electrical connector 100 Metal housing 1 Top wall 11 First through hole 110 Snap portion 112 Bottom wall 12 Second through hole 120 Terminal block 2 Mounting end 20 Butt end 21 Upper surface 22 First groove 220 Snap groove 222 Surface 23 second groove 230 receiving channel 24 terminal 3 soldering portion 30 intermediate portion 31 butt portion 32 holding piece 33 plastic case 4
第9頁Page 9