M429221 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種電連接器，特別是涉及一種以磁吸的方式 達成相互對接的電連接器。 【先前技術】 按’習知的電連接器為了達到連接的目的，通常於相互對 接的兩個電連接器的絕緣本體以及外殼上設計卡合結構，藉由 卡合結構達到相互固接的目的。而磁吸式電連接器則藉由組裝 於電連接器内部的磁性體的磁場力相互吸引實現相互對接的 兩個電連接器的對接。 習知的一種磁吸式的電連接器包括一絕緣本體、複數端子 及一磁性體。絕緣本體内設有一容置空間。且絕緣本體還開設 有前後貫穿於絕緣本體的端子槽。其中，磁性體容置於容置空 間内。複數端子包括長板狀的固持部，從固持部前端向上彎折 延伸出的探針頭及從固持部後端延伸出的端子焊接端，探針頭 上設有向前凸伸的抵接柱。固持部固持於端子槽中，探針頭伸 入容置空間内，且置於磁性體前端，抵接柱從端子孔伸出第二 殼體，端子焊接端伸出第一殼體後端以焊接於外部電路板上。 惟，上述磁吸式電連接器磁性體呈一塊狀容置於殼體之容 置空間内，所述端子之固持部固持於殼體外部，探針頭伸入於 容置空間内，佔用並減小了容置空間内的體積，因此磁性體的 體積小於容置空間的體積，且磁性體設計成較小狀，磁吸性較 弱，與對接連接器配合時不牢固。 【新型内容】 本創作之目的在於克服上述現有技術中的不足，提供一種 3 M429221 磁吸性強的磁吸式電連接器β 本創作提供一種電連接器，包括絕緣本體、複數端子、磁 性體及金屬外殼。絕緣本體包括一基座，基座前表面凸伸有一 舌部’基座後表面向前開設有貫穿舌部的孔槽。複數端子從孔 槽後端插入孔槽内。磁性體上開設有前後貫通的導孔，磁性體 藉由導孔套設在舌部外。金屬外殼包括第一金屬外殼和第二金 屬外殼，第一金屬外殼包覆於基座外，第二金屬外殼包覆於磁 性體外。 综上所述，本創作電連接器藉由絕緣本體包括基座及凸伸 於基座前表面的舌部，第一金屬外殼包覆於基座外，磁性體套 δ又於舌部外，第二金屬外殼包覆於磁性體外，有效的利用電連 接器的内部空間，且磁性體置於電連接器的前端，從而增強其 磁吸性。 【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，本創作電連接器包括一絕緣本體1 〇、複 數端子20、金屬外殼30及磁性體40。 請參閱第一圖至第三圖，所述絕緣本體10包括一基座 11，基座11前表面凸伸有一舌部12。基座11後表面向前開設 有貫穿基座11與舌部12的孔槽113，孔槽113前端孔徑縮小 進一步形成有固持孔1131，孔槽113後端孔徑擴大進一步形 成有止擋孔1132。基座11上下表面上皆開設有兩個前後貫穿 基座11的凹槽111，基座11兩側表面上凸設有用於卡固的卡 塊112。舌部12周側表面後端凸設有複數延伸至基座u前表 面的凸塊121。 4 M429221 所述複數端子20插設於絕緣本體10的孔槽113 ^本實 施例中，端子20為探針，包括一圓柱狀的套筒部21，套筒部 21外表面上凸設有卡持部211。該套筒部21前端形成有開口 (圖未不），於套筒部21内安裝有可彈性的凸出於開口外的探 針頭22，另在套筒部21靠近後端處具有一環狀的擋持部24 及一沿擋持部24之後壁向後延伸形成之端子焊接端23。當端 子20裝設於絕緣本體1〇上時，該套筒部21容置於孔槽m 内並藉由卡持部211與孔槽113内壁的干涉將之卡固，探針頭 ' 22伸出固持扎1131外，擋持部24固定於止擋孔1132内，端 子焊接端23伸出絕緣本體1〇外以與外界電路板（圖未示）焊 接。 請續參照第一圖及第二圖，所述金屬外殼3〇包括第一金 屬外殼31和第二金屬外殼32〇第一金屬外殼31由金屬板材 沖壓折彎製成，其具有前板3n，前板311的兩側緣向後垂直 延伸出兩側板312，兩側板312上對應卡塊112開設有卡孔 3121，且兩側板312上向外沖設有卡扣片3122。前板3ιι的 上下側緣上皆向後垂直延伸出兩卡板313，卡板313上皆向外 • 沖壓形成有彈片3131，其中位於上方的卡板313後端緣向後 向内延伸有彈接片314。前板311上對應舌部12開設有開孔 315，開孔315周側邊緣凹設有弧形卡持口 3151。前板311上 下側緣於兩卡板313之間分別向前垂直延伸出一連接板316， 連接板316向外沖設有向後延伸的卡掣3 161。第二金屬外殼 32由抽引工藝製成，其具有蓋板321及連接於蓋板321周緣 的側牆322，蓋板321上設有開口 321卜側牆322上下側對應 連接板316之卡掣；3161分別設有一卡扣孔3221。 所述磁性體40上開設有前後貫通的導孔42，且其上下表 面對應連接板316分別凹設有卡持槽41。 5 M429221 本創作電連接器组裝時，首先將複數端子2〇從開孔ιΐ3 後端插入開孔113中，·次之，將第一金屬外殼31包覆於絕緣 本體10之基座11上，舌部12穿過開孔315，弧形卡持口 3i5i 切合於凸塊121 ’前板3U貼附於基座u前表面，側板312 包覆於基座11兩側表面，卡孔3121卡扣於卡塊112上，卡板 313蓋設於凹槽iU外，彈片3131可彈性的伸入凹槽m，彈 接片314伸出絕緣本體10後端外以與外界電路板抵接；然後， 將磁性體40藉由導孔42套設在舌部12外，即舌部12藉由凸 塊121與導孔42的孔壁的干涉力而容置於導孔42内，連接板 316延伸於卡持槽41内。最後，將第二金屬外殼32包覆於磁 性體40外，舌部12前端露出於開口 3211處，卡掣3161與卡 扣孔3221卡持配合，而將磁性體4〇固定於電連接器前端。 綜上所述，本創作電連接器藉由絕緣本體1〇包括基座u 及凸伸於基座11前表面的舌部12，第一金屬外殼31包覆於 基座11外，磁性體40套設於舌部12外，第二金屬外殼32包 覆於磁性體40外，從而有效的利用電連接器的内部空間，且 磁性體40置於電連接器的前端，從而增強其磁吸性。 【圖式簡單說明】 第一圖係本創作電連接器之較佳實施例的立體圖。 第二圖係第一圖所示電連接器的立體分解圖。 第三圖係本創作電連接器之絕緣本體的剖面圖。 【主要元件符號說明】 絕緣本體 10 基座 11 凹槽 111 卡塊 112 孔槽 113 固持孔 1131 6 止擋孔 1132 舌部 凸塊 121 複數端子 套筒部 21 卡持部 探針頭 22 端子焊接端 擋持部 24 金屬外殼 第一金屬外殼 31 前板 側板 312 卡孔 卡扣片 3122 卡板 彈片 3131 彈接片 開孔 315 弧形卡持口 連接板 316 卡掣 第二金屬外殼 32 蓋板 開口 3211 側墙 卡扣孔 3221 磁性體 卡持槽 41 導孔M429221 V. New description: [New technical field] The present invention relates to an electrical connector, and more particularly to an electrical connector that is magnetically coupled to each other. [Prior Art] According to the conventional electrical connector, in order to achieve the purpose of connection, a snap-fit structure is usually designed on the insulative housing and the outer casing of the two electrical connectors that are butted together, and the engagement structure is used for mutual fixation. . The magnetic type electrical connector is mutually attracted by the magnetic force of the magnetic body assembled inside the electrical connector to realize the docking of the two electrical connectors that are butted against each other. A magnetic electrical connector of the prior art includes an insulative housing, a plurality of terminals, and a magnetic body. There is an accommodation space in the insulation body. The insulative housing further has a terminal slot extending through the insulative housing. Among them, the magnetic body is placed in the accommodating space. The plurality of terminals include a long plate-shaped holding portion, a probe head bent upward from the front end of the holding portion, and a terminal soldering end extending from the rear end of the holding portion, and the probe head is provided with an abutting post projecting forward. The holding portion is retained in the terminal slot, the probe head extends into the accommodating space, and is disposed at the front end of the magnetic body, the abutting post extends from the terminal hole to the second housing, and the terminal soldering end protrudes from the rear end of the first housing Solder on an external circuit board. The magnetic body of the magnetic connector is placed in a receiving space of the housing in a piece shape, and the holding portion of the terminal is fixed on the outside of the housing, and the probe head extends into the accommodating space and occupies The volume in the accommodating space is reduced, so that the volume of the magnetic body is smaller than the volume of the accommodating space, and the magnetic body is designed to be small, the magnetic permeability is weak, and it is not strong when mated with the mating connector. [New content] The purpose of this creation is to overcome the deficiencies in the prior art described above, and to provide a magnetic insulator of 3 M429221 magnetic attraction. The present invention provides an electrical connector including an insulating body, a plurality of terminals, and a magnetic body. And metal casing. The insulative housing includes a base, and a front surface of the base protrudes from a tongue portion. The rear surface of the base is forwardly provided with a hole extending through the tongue. A plurality of terminals are inserted into the slots from the rear end of the slot. The magnetic body is provided with a guide hole penetrating through the front and rear, and the magnetic body is sleeved outside the tongue by the guide hole. The metal casing includes a first metal casing and a second metal casing, the first metal casing being wrapped around the base and the second metal casing being coated outside the magnetic body. In summary, the inventive electrical connector includes a base and a tongue protruding from the front surface of the base by the insulating body, the first metal shell is wrapped around the base, and the magnetic sleeve δ is outside the tongue. The second metal casing is coated on the outside of the magnetic body, effectively utilizing the internal space of the electrical connector, and the magnetic body is placed at the front end of the electrical connector to enhance its magnetic attraction. [Embodiment] The technical contents, structural features, achieved goals, and effects of the present invention are described in detail below, and are described in detail below with reference to the drawings. Referring to the first figure, the present electrical connector includes an insulative housing 1 , a plurality of terminals 20 , a metal housing 30 , and a magnetic body 40 . Referring to the first to third figures, the insulative housing 10 includes a base 11. The front surface of the base 11 has a tongue 12 protruding therefrom. The rear surface of the base 11 has a hole 113 extending through the base 11 and the tongue portion 12. The front end of the hole 113 has a reduced aperture. Further, a retaining hole 1131 is formed. The rear end aperture of the slot 113 is enlarged to further form a stop hole 1132. The upper and lower surfaces of the base 11 are provided with two recesses 111 extending through the base 11 forward and backward. On both sides of the base 11, a block 112 for locking is protruded. A projection 121 extending to the front surface of the base u is protruded from the rear end surface of the peripheral surface 12 of the tongue portion 12. 4 M429221 The plurality of terminals 20 are inserted into the slot 113 of the insulative housing 10. In the embodiment, the terminal 20 is a probe, and includes a cylindrical sleeve portion 21, and a card is protruded on the outer surface of the sleeve portion 21. Holding part 211. An opening (not shown) is formed at the front end of the sleeve portion 21, and a probe head 22 elastically protruding from the outside is mounted in the sleeve portion 21, and a ring is provided near the rear end of the sleeve portion 21. The retaining portion 24 and a terminal welding end 23 extending rearwardly along the rear wall of the retaining portion 24. When the terminal 20 is mounted on the insulative housing 1 , the sleeve portion 21 is received in the slot m and is locked by the interference of the latching portion 211 with the inner wall of the slot 113 , and the probe head 22 extends The retaining portion 24 is fixed in the retaining hole 1132, and the terminal soldering end 23 extends out of the insulating body 1 to be welded to an external circuit board (not shown). Referring to the first and second figures, the metal casing 3 includes a first metal casing 31 and a second metal casing 32. The first metal casing 31 is stamped and bent from a metal plate, and has a front plate 3n. The two sides of the front plate 311 extend perpendicularly to the rear side plates 312. The corresponding blocks 112 of the two side plates 312 are provided with a card hole 3121, and the two side plates 312 are outwardly punched with a locking piece 3122. Two upper and lower rims 313 are vertically extended on the front and rear side edges of the front panel 3301. The card 313 is outwardly stamped and formed with a spring piece 3131. The rear end edge of the upper card 313 extends rearward and inwardly with a spring tab. 314. An opening 315 is defined in the corresponding tongue portion 12 of the front plate 311, and a curved holding opening 3151 is recessed on the peripheral side edge of the opening 315. A connecting plate 316 extends vertically between the upper and lower edges of the front plate 311, and the connecting plate 316 is outwardly punched with a rearwardly extending latch 3 161. The second metal casing 32 is made by a drawing process, and has a cover plate 321 and a side wall 322 connected to the periphery of the cover plate 321 . The cover plate 321 is provided with an opening 321 and a card corresponding to the upper and lower sides of the side wall 322 corresponding to the connecting plate 316. ; 3161 is provided with a snap hole 3221, respectively. The magnetic body 40 is provided with a guide hole 42 penetrating therethrough, and the upper surface of the upper surface corresponding to the connecting plate 316 is recessed with a holding groove 41, respectively. 5 M429221 When assembling the electrical connector, first, the plurality of terminals 2〇 are inserted into the opening 113 from the rear end of the opening ιΐ3, and secondly, the first metal casing 31 is wrapped on the base 11 of the insulating body 10. The tongue 12 passes through the opening 315, and the curved latching opening 3i5i is cut into the front surface of the base u. The front panel 3 is attached to the front surface of the base u. The side panel 312 is covered on both sides of the base 11, and the card hole 3121 is stuck. The card plate 313 is disposed on the card block 112, and the spring plate 3131 is elastically extended into the groove m. The elastic piece 314 extends out of the rear end of the insulative housing 10 to abut the external circuit board; The magnetic body 40 is sleeved outside the tongue portion 12 by the guide hole 42 , that is, the tongue portion 12 is received in the guide hole 42 by the interference force of the protrusion 121 and the hole wall of the guide hole 42 , and the connecting plate 316 is extended. In the card holding slot 41. Finally, the second metal casing 32 is wrapped around the magnetic body 40, the front end of the tongue portion 12 is exposed at the opening 3211, and the latch 3161 is engaged with the locking hole 3221 to fix the magnetic body 4〇 to the front end of the electrical connector. . In summary, the present electrical connector includes a base u and a tongue 12 protruding from the front surface of the base 11 by the insulating body 1 , and the first metal shell 31 is covered outside the base 11 , and the magnetic body 40 The magnetic outer cover 32 is disposed outside the tongue 12, and the second metal casing 32 is wrapped around the magnetic body 40, thereby effectively utilizing the internal space of the electrical connector, and the magnetic body 40 is placed at the front end of the electrical connector, thereby enhancing the magnetic attraction. . BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of a preferred embodiment of the present electrical connector. The second figure is an exploded perspective view of the electrical connector shown in the first figure. The third figure is a cross-sectional view of the insulative body of the present electrical connector. [Main component symbol description] Insulating body 10 Base 11 Groove 111 Block 112 Hole groove 113 Retaining hole 1131 6 Stop hole 1132 Tongue bump 121 Multiple terminal sleeve portion 21 Retaining probe head 22 Terminal soldering end Retaining portion 24 Metal case First metal case 31 Front plate side plate 312 Card hole clip piece 3122 Card plate spring piece 3131 Spring piece opening hole 315 Curved card holder port connection plate 316 Card second metal case 32 Cover plate opening 3211 Side wall snap hole 3221 Magnetic body holding groove 41 Guide hole