1354415 ___1354415 ___
ΐοο年05月23曰修正替换頁I 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係關於一種可傳輸大電流的電連接器。 【先前技術】 [0002] 電連接器目前已廣泛應用於電子產品領域，特別是筆記 型電腦等便攜式電子產品領域。隨著這些電子產品功能 的多樣化，對電連接器所能傳輸的電流強度也有了更高 的要求。 [0003] 中國大陸實用新型專利第ZL02231358.3號揭示了一種 電連接器，其包括絕緣本體、收容於所述絕緣本體的第 一、第二導電端子及包覆於絕緣本體外的殼艎。其中所 述第一導電端子位於第二導電端子的週邊，且上述導電 端子具有四對相對應的呈環狀分佈的彈性接觸臂。但在 實際使用中，該電連接器仍不能滿足傳輸大電流的需求 〇 [0004] 此外’現有技術中通常採用導電率為14%的磷銅材料衝壓 端子，由於磷銅材料導電率較小，傳輸較大電流時溫度 升高較大，不符合筆記型電腦等電子設備的要求。 [0005] 故’需提供一種可以克服上述缺陷的電連接器。 【發明内容】 [0006] 本發明主要目的在於提供一種可以傳輸大電流的電連接 器。 [0007] 為了實現上述目的，本發明採用如下技術方案：一種電 連接器，其包括絕緣本體及第一'第二導電端子’第一 095146205 表單編號A0101 第3頁/共20頁 1003183094-0 1354415 100年05月23日接正替換頁 、第二導電端子分別包括固定在絕緣本體上的本體部及 自本體部延伸的複數彈性接觸臂，第一導電端子的複數 彈性接觸臂形成一外環狀，第二導電端子的複數彈性接 觸臂形成一内環狀，且第一、第二導電端子係由鎳銅材 料製成。 [0008] 本發明電連接器具有如下有益效果：採用鎳銅端子，有 效地降低了導電端子的阻抗，減小了電連接器在通過大 電流時的溫度變化，從而提高了電連接器傳輸電流的能 力。 [0009] 此外，本發明電連接器在第一、第二導電端子的彈性接 觸臂彎折處進一步設有凸點，該凸點可以增加電連接器 與對接連接器的有效接觸點，從而實現分流與降低端子 的接觸電阻。 【實施方式】 [0010] 參第一、第二圖所示，本發明電連接器100包括絕緣本體 1、傳輸電力的第一' 第二導電端子3 ' 4、信號端子5以 及遮蔽殼體2。 [0011] 參第二圖所示，絕緣本體1包括略呈正方體構型並於中央 形成有收容腔13的第一本體11及自絕緣本體1的後部延伸 入上述收容腔13中的圓柱狀第二本體12。在第二本體12 縱長軸線位置處形成有一貫通前後面的收容孔14。第一 本體11前端具有上下左右四個凸台111，凸台中間形成有 開口 112，頂部後端與左右兩側壁（未標號）下端分別設有 凸塊113，其中，左右兩側壁中部開設有與收容腔13相通 的散熱孔114。如第三圖所示，第一本體11的後部開有呈 095146205 表單編號 A0101 第 4 頁/共 20 頁 1003183094-0 1354,415 100年05月23日 六邊形狀的第一收容槽115、與收容槽115相通的六個方 形第一通孔116及分別位於本體後部下端兩側的凹槽117 第一通孔116自後向前貫通第一本體的前端面，且第_ 通孔116中部與收容腔13連通。於第二本體12後部設有與 第一本體所對應的第二收容槽121及六個方形第二通孔 122。第二通孔122自後向前貫通第二本體12的前端面， 且第二通孔122中部與收容腔13連通（如第四圖所示第 二本體12後部中間自收容孔14向下貫通有與絕緣本體1底 面相通的狹槽123。 [0012] 請參閱第五圖所示，第一導電端子3係由兩對稱鎳銅金屬 片形成的環狀結構，主要包括本體部31、彈性接觸臂32 及接腳33。本體部31係由一長方形狀鎳銅平板從兩側向 中間考折的三段平板部，兩本體部31相向對稱設置，形 成一個正六邊形的環狀。本趙部31的每一平板部自其邊 緣分別向前且略向内傾斜延伸出彈性接觸臂32，六個彈 性接觸臂32均勻分佈在兩本體部31上，亦形成圓環狀結 構。其中一本體部31自其末端向下延伸出接腳33，另一 本體部31自其自由末端延伸出水平支撐部35，自支撐部 35亦向下延伸出接腳33，兩接腳呈前後分佈。在第—導 電端子3的每個彈性接觸臂32f折處，都打有-個面向收 容腔13的凸點34，凸點可以增加導電端子與對接連接器 的有效接觸點，從而實現分流與降低端子的接觸電阻。 請參閱第六圖所示，第二導電端子4結構與第一導電端子 3相似，亦為鎳銅材質，包括六邊形狀本體部41、均勻分 佈在本體部周圍的六個彈性接觸臂42及自本體部41後端 095146205 表單編號A0101 第5頁/共20頁 1003183094-0 [0013] 1354415 ι__ 100年.05月23日修正替换頁 垂直向下延伸的一對接腳43。其中，彈性接觸臂42係由 本體部41前端向前且略向外傾斜延伸形成的。在第二導 電端子4的每個彈性接觸臂42彎折處都打有一個面向收容 腔13的凸點44，對接腳43之間的本體部上還形成有開口 45 ° [0014] 請參閱第二圊，電連接器100還包括信號端子5以及遮蔽 殼體2。信號端子5具有叉狀對接端52及自對接端後部垂 直向下形成的尾部51，對接端中部還形成有倒刺53。遮 蔽殼體2呈“η”形，其具有頂壁21以及與頂壁相連的左 右側壁22，頂壁與側壁周圍開有與本體1相對應的方形扣 持孔23及散熱口 24。 [0015] 組裝時，第一導電端子3自絕緣本體1後端組入絕緣本體1 中，本體部31固持收容於絕緣本體1的第一收容槽115中 ，彈性接觸臂32收容於第一通孔11 6並部分突深入收容腔 13内，接腳33收容於絕緣本體後端狹槽123中，且其下端 延伸出絕緣本體，以充當電源負極。第二導電端子4自絕 緣本體1後端組入，本體部41固持收容於第二收容槽121 中，彈性接觸臂42收容於第二通孔122並部分突深入收容 腔13内，接腳43收容於第一本體11後部下端兩側的凹槽 117中，以充當電源的正極。第一導電端子與第二導電端 子之間形成一對接空間。上述信號端子5收容於第二本體 12後端的收容孔14中，通過對接端52上的倒刺53與收容 孔14干涉來固定，尾部51亦收容於絕緣本體1後端的狹槽 123中，與接腳33呈前後排列。第七圊展示了第一、第二 導電端子及信號端子組裝後的情形，如此就形成了電連 095146205 表軍編號Α0101 第6頁/共20頁 1003183094-0 丄;04,415 100年05月23日接正替换頁 接斋。此外，遮蔽殼體2遮覆在絕緣本體〗外側，其扣持 孔23與絕緣本體1上的凸塊113相扣持，使殼體2固定在絕 緣本體1週邊’殼體上的散熱σ24與絕緣本體上的散熱孔 114相對應。 [0016] 本發明電連接器的第一、第二導電端子3、4均有呈並聯 、’·〇構的五〜八個彈性接觸臂（在本實施例中為六個彈性接 觸#)’電15且會相對較小，且導電端子彈性接觸臂32、42 著折處均叹有凸點34、44，該凸點可以增加電連接器與 對接連接n的有效接觸點，從而實現分流與降低端子的 接觸電阻。此外，現有技術通常採用導電率為14%的磷鋼 材料衝壓端子，本發明第一、第二導電端子3、4係由導 電率為40%的鎳銅材料衝壓成型，在結構相同的情況下， 由鎳銅材料製成的第一、第二導電端子3、4的阻抗小， 導電性能較好，在同等條件下通過同樣大小電流時，第 一、第二導電端子3、4的溫度變化要小於填銅材料導電 端子的溫度變化，從而能夠符合傳輸較大電流的要求。 當然’除鎳銅以外，其他導電率大於3〇%的金屬材質也可 滿足要求’此處不再--資述0 [0017] 综上所述’本創作確已符合發明專利之要件，爰依法提 出申請專利。惟，以上所述者僅係本發明之較佳實施方 式’本發明之範圍並不以上述實施方式爲限，舉凡熟習 本案技藝之人士援依本發明之精神所作之等效修飾或變 化’皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0018] 第一圖係本發明電連接器之立體組合圖。 095146205 表單蝙號Α0101 第7頁/共20頁 1003183094-0 1354415 100年05月23日梭正替换k [0019] 第二圖係本發明電連接器之立體分解圊。 [0020] 第三圖係本發明電連接器絕緣本體之後視圖。 [0021] 第四圖係第一圊所示電連接器沿IV-IV方向之剖視圖。 [0022] 第五圖係本發明電連接器第一導電端子之立體圖。 [0023] 第六圖係本發明電連接器第二導電端子之立體圖。 [0024] 第七圖係第一圖所示電連接器另一角度之立體組合圖。 【主要元件符號說明】 [0025] 電連接器：100 [0026] 絕緣本體：1 [0027] 第一本體：11 [0028] 第二本體：12 [0029] 收容腔：13 [0030] 收容孔：14 [0031] 凸台：111 [0032] 開口 ： 11 2 [0033] 凸塊：11 3 [0034] 散熱孔：114 [0035] 第一收容槽：115 [0036] 第一通孔：116 [0037] 凹槽：117 095146205 表單編號A0101 第8頁/共20頁 1003183094-0 1354415 [0038] 狹槽：123 [0039] 第二收容槽：121 [0040] 第二通孔：122 [0041] 遮蔽殼體：2 [0042] 頂壁：21 [0043] 側壁：22 [0044] 扣持孔：23 [0045] 散熱口 ： 24 [0046] 第一導電端子：3 [0047] 本體部：31 [0048] 彈性接觸臂：32 [0049] 接腳：33 [0050] 凸點：34 [0051] 支撐部：35 [0052] 第二導電端子：4 [0053] 本體部：41 [0054] 彈性接觸臂：42 [0055] 接腳：43 [0056] 凸點：44 095146205 表單編號A0101 第9頁/共20頁 100年05月23日梭正替换頁 1003183094-0 1354415 100年05月23日核正替換頁 [0057] 信號端子：5 [0058] 尾部：51 [0059] 對接端：52 [0060] 倒刺：53 1003183094-0 095146205 表單編號A0101 第10頁/共20頁Ϊ́οο年05月23曰Correct Replacement Page I VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to an electrical connector capable of transmitting a large current. [Prior Art] [0002] Electrical connectors have been widely used in the field of electronic products, especially in the field of portable electronic products such as notebook computers. With the diversification of the functions of these electronic products, the current intensity that can be transmitted by the electrical connector is also higher. [0003] The Chinese Utility Model Patent No. ZL02231358.3 discloses an electrical connector including an insulative housing, first and second conductive terminals received in the insulative housing, and a housing that is coated on the outside of the insulating body. The first conductive terminal is located at a periphery of the second conductive terminal, and the conductive terminal has four pairs of corresponding elastic contact arms distributed in a ring shape. However, in actual use, the electrical connector still cannot meet the requirement of transmitting a large current. [0004] In addition, in the prior art, a phosphor bronze material stamping terminal having a conductivity of 14% is generally used, because the phosphorous copper material has a small electrical conductivity. When the current is transmitted, the temperature rises greatly and does not meet the requirements of electronic devices such as notebook computers. [0005] Therefore, it is necessary to provide an electrical connector that can overcome the above drawbacks. SUMMARY OF THE INVENTION [0006] A primary object of the present invention is to provide an electrical connector that can transmit a large current. [0007] In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector including an insulative housing and a first 'second conductive terminal' first 095146205 Form No. A0101 Page 3 / Total 20 pages 1003183094-0 1354415 On May 23, 100, the positive replacement page includes a body portion fixed on the insulative housing and a plurality of elastic contact arms extending from the body portion, and the plurality of elastic contact arms of the first conductive terminal form an outer ring shape The plurality of elastic contact arms of the second conductive terminal form an inner ring shape, and the first and second conductive terminals are made of a nickel-copper material. [0008] The electrical connector of the present invention has the following beneficial effects: the nickel-copper terminal is used, the impedance of the conductive terminal is effectively reduced, and the temperature change of the electrical connector when passing a large current is reduced, thereby improving the electrical current of the electrical connector. Ability. In addition, the electrical connector of the present invention further provides a bump at the bend of the elastic contact arm of the first and second conductive terminals, the bump can increase the effective contact point between the electrical connector and the mating connector, thereby realizing Divert and reduce the contact resistance of the terminals. [Embodiment] As shown in the first and second figures, the electrical connector 100 of the present invention includes an insulative housing 1, a first 'second conductive terminal 3' 4 that transmits power, a signal terminal 5, and a shield housing 2. . [0011] As shown in the second figure, the insulative housing 1 includes a first body 11 having a substantially rectangular configuration and having a receiving cavity 13 formed therein, and a cylindrical portion extending from the rear portion of the insulative housing 1 into the receiving cavity 13 Two bodies 12. A receiving hole 14 penetrating the front and rear faces is formed at a position of the longitudinal axis of the second body 12. The front end of the first body 11 has four upper and lower bosses 111, and an opening 112 is formed in the middle of the boss. The top end and the left and right side walls (not labeled) are respectively provided with bumps 113 at the lower ends thereof, wherein the left and right side walls are opened at the middle The heat dissipation hole 114 through which the receiving cavity 13 communicates. As shown in the third figure, the rear portion of the first body 11 is provided with a first receiving groove 115 having a hexagonal shape of 095146205, Form No. A0101, No. 4/20 pages, 1003183094-0 1354, 415, May 23, Six square first through holes 116 communicating with the receiving slots 115 and recesses 117 respectively located at opposite sides of the lower end of the rear portion of the body; the first through holes 116 penetrate the front end surface of the first body from the rear to the front, and the middle portion of the first through hole 116 The receiving chamber 13 is in communication. A second receiving slot 121 corresponding to the first body and six square second through holes 122 are defined in the rear portion of the second body 12. The second through hole 122 penetrates the front end surface of the second body 12 from the rear to the front, and the middle portion of the second through hole 122 communicates with the receiving cavity 13 (as shown in the fourth figure, the rear portion of the second body 12 extends downward from the receiving hole 14 There is a slot 123 communicating with the bottom surface of the insulative housing 1. [0012] Referring to the fifth figure, the first conductive terminal 3 is an annular structure formed by two symmetrical nickel-copper metal sheets, mainly including a body portion 31 and elastic contact. The arm portion 32 and the pin 33. The main body portion 31 is a three-segment flat plate portion which is folded from the both sides by a rectangular nickel-copper plate, and the two body portions 31 are symmetrically arranged to form a regular hexagonal ring shape. Each of the flat portions of the portion 31 extends obliquely forwardly and slightly inwardly from the edge thereof, and the elastic contact arms 32 are evenly distributed. The six elastic contact arms 32 are evenly distributed on the two body portions 31 to form an annular structure. The portion 31 extends downwardly from the end thereof with the pin 33. The other body portion 31 extends from the free end thereof to the horizontal support portion 35. The self-supporting portion 35 also extends downwardly from the pin 33. The two legs are distributed forward and backward. Each of the elastic contact arms 32f of the first conductive terminal 3 is folded, There is a bump 34 facing the receiving cavity 13, and the bump can increase the effective contact point between the conductive terminal and the mating connector, thereby realizing the shunting and reducing the contact resistance of the terminal. Referring to the sixth figure, the second conductive terminal The structure is similar to the first conductive terminal 3, and is also made of nickel-copper material, including a hexagonal body portion 41, six elastic contact arms 42 uniformly distributed around the body portion, and a rear end 095146205 from the body portion 41. Form No. A0101 No. 5 Page / Total 20 pages 1003183094-0 [0013] 1354415 ι__ 100 years. May 23rd revised a pair of pins 43 that extend vertically downwards. The elastic contact arms 42 are forwardly and slightly forward by the front end of the body portion 41. An outwardly inclined extension is formed. At each of the elastic contact arms 42 of the second conductive terminal 4, a bump 44 facing the receiving cavity 13 is formed, and an opening 45 is formed in the body portion between the butting legs 43. [0014] Referring to the second aspect, the electrical connector 100 further includes a signal terminal 5 and a shielding case 2. The signal terminal 5 has a fork-shaped butt end 52 and a tail portion 51 formed vertically downward from the rear of the butt end, and the center of the butt end is further Formed with barbs 53 The shielding shell 2 has an "n" shape, and has a top wall 21 and left and right side walls 22 connected to the top wall. The top wall and the side wall are surrounded by a square holding hole 23 corresponding to the body 1 and a heat dissipation opening 24. [0015 The first conductive terminal 3 is assembled into the insulative housing 1 from the rear end of the insulative housing 1 , and the main body portion 31 is received in the first receiving slot 115 of the insulative housing 1 , and the elastic contact arm 32 is received in the first through hole 11 . 6 and partially protrude into the receiving cavity 13, the pin 33 is received in the rear end slot 123 of the insulating body, and the lower end thereof extends out of the insulating body to serve as a negative pole of the power source. The second conductive terminal 4 is assembled from the rear end of the insulative housing 1 , and the main body portion 41 is received in the second receiving slot 121 . The elastic contact arm 42 is received in the second through hole 122 and partially protrudes into the receiving cavity 13 . The holes 117 are accommodated in the recesses 117 on both sides of the lower end of the rear portion of the first body 11 to serve as the positive pole of the power source. A mating space is formed between the first conductive terminal and the second conductive terminal. The signal terminal 5 is received in the receiving hole 14 at the rear end of the second body 12, and is fixed by the barb 53 on the mating end 52 to interfere with the receiving hole 14. The tail portion 51 is also received in the slot 123 at the rear end of the insulative housing 1. The pins 33 are arranged in front and rear. The seventh 圊 shows the situation after the assembly of the first and second conductive terminals and the signal terminals, thus forming the electrical connection 095146205, the military number Α 0101, the sixth page, the total 20 pages, 1003183094-0 丄; 04, 415, May 23, 100 The replacement page is connected to the fast. In addition, the shielding shell 2 is covered on the outer side of the insulating body, and the latching hole 23 is fastened to the bump 113 on the insulative housing 1 to fix the heat dissipation σ24 of the housing 2 on the periphery of the insulating body 1. The heat dissipation holes 114 on the insulative housing correspond to each other. [0016] The first and second conductive terminals 3, 4 of the electrical connector of the present invention each have five to eight elastic contact arms (in this embodiment, six elastic contacts #) in parallel. The electric 15 is relatively small, and the conductive terminal elastic contact arms 32, 42 are slanted with bumps 34, 44, which can increase the effective contact point of the electrical connector and the docking connection n, thereby realizing the shunting and Reduce the contact resistance of the terminals. In addition, the prior art generally uses a phosphor steel material stamping terminal having a conductivity of 14%, and the first and second conductive terminals 3, 4 of the present invention are formed by stamping a nickel-copper material having a conductivity of 40%, in the case of the same structure. The first and second conductive terminals 3 and 4 made of nickel-nickel material have small impedance and good electrical conductivity, and the temperature changes of the first and second conductive terminals 3 and 4 when the same magnitude current is passed under the same conditions. It is required to be smaller than the temperature change of the conductive terminal of the copper-filled material, so as to be able to meet the requirement of transmitting a large current. Of course, in addition to nickel-copper, other metal materials with a conductivity greater than 3〇% can also meet the requirements. 'No longer here--Capital 0 [0017] In summary, 'this creation has indeed met the requirements of the invention patent, 爰Apply for a patent in accordance with the law. However, the above-mentioned preferred embodiments of the present invention are not intended to limit the scope of the present invention, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0018] The first figure is a perspective assembled view of the electrical connector of the present invention. 095146205 Form bat number Α0101 Page 7 of 20 1003183094-0 1354415 May 23, 2014 Shuttle replacement k [0019] The second figure is a three-dimensional decomposition of the electrical connector of the present invention. [0020] The third figure is a rear view of the insulative body of the electrical connector of the present invention. [0021] The fourth figure is a cross-sectional view of the electrical connector shown in the first section taken along the IV-IV direction. [0022] FIG. 5 is a perspective view of a first conductive terminal of the electrical connector of the present invention. [0023] Figure 6 is a perspective view of a second conductive terminal of the electrical connector of the present invention. [0024] The seventh figure is a perspective assembled view of another angle of the electrical connector shown in the first figure. [Main component symbol description] [0025] Electrical connector: 100 [0026] Insulating body: 1 [0027] First body: 11 [0028] Second body: 12 [0029] Containment cavity: 13 [0030] Housing hole: 14 [0031] Boss: 111 [0032] Opening: 11 2 [0033] Bump: 11 3 [0034] Cooling hole: 114 [0035] First receiving groove: 115 [0036] First through hole: 116 [0037] Groove: 117 095146205 Form No. A0101 Page 8 / Total 20 pages 1003183094-0 1354415 [0038] Slot: 123 [0039] Second receiving groove: 121 [0040] Second through hole: 122 [0041] Shielding case Body: 2 [0042] Top wall: 21 [0043] Side wall: 22 [0044] Buckle hole: 23 [0045] Heat vent: 24 [0046] First conductive terminal: 3 [0047] Body portion: 31 [0048] Elastic contact arm: 32 [0049] Pin: 33 [0050] Bump: 34 [0051] Support: 35 [0052] Second conductive terminal: 4 [0053] Body: 41 [0054] Elastic contact arm: 42 [0055] Pin: 43 [0056] Bump: 44 095146205 Form No. A0101 Page 9 / Total 20 pages 100 years May 23 Shuttle replacement page 1003183094-0 1354415 100 years of May 23 nuclear replacement page [ 0057] Terminal Number: 5 [0058] Tail: 51 [0059] butt end: 52 [0060] barbs: 531003183094-0 Form Number A0101 095 146 205 Page 10/20 Total