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CN102904095A - electrical connector - Google Patents

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Publication number
CN102904095A
CN102904095A CN2011102136110A CN201110213611A CN102904095A CN 102904095 A CN102904095 A CN 102904095A CN 2011102136110 A CN2011102136110 A CN 2011102136110A CN 201110213611 A CN201110213611 A CN 201110213611A CN 102904095 A CN102904095 A CN 102904095A
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China
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terminal
terminals
electrical connector
holding
insulating body
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Granted
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CN2011102136110A
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CN102904095B (en
Inventor
俞春明
孙正国
冯现伟
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Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
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Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN201110213611.0A priority Critical patent/CN102904095B/en
Priority to JP2012002147U priority patent/JP3176488U/en
Publication of CN102904095A publication Critical patent/CN102904095A/en
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Publication of CN102904095B publication Critical patent/CN102904095B/en
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Abstract

An electric connector is provided with a socket, an insulating body and a plurality of terminals on the insulating body. The insulating body comprises a main part and a tongue plate arranged on the main part. The terminals include first terminals and second terminals. Each first terminal comprises first elastic contact parts. Each second terminal comprises second elastic contact parts. The first elastic contact parts are suspension arms extending into the socket. The second contact parts in flat plate shapes are attached to the tongue plate and are exposed inside the socket. The first terminals are better than the second terminals in structural strength. Therefore, the service life of the electric connector can be prolonged.

Description

电连接器electrical connector

【技术领域】 【Technical field】

本发明涉及一种电连接器,尤其涉及一种具有改良端子的电连接器。The invention relates to an electrical connector, in particular to an electrical connector with improved terminals.

【背景技术】 【Background technique】

与本发明相关的现有技术可参阅于2011年2月9日公告的中国实用新型专利第CN201741887U号所揭示的一种电连接器,其设有一插接口,并且包括绝缘本体及固持于绝缘本体内的若干端子。所述绝缘本体包括主体部及设于主体部上的一舌板;所述端子包括第一端子及第二端子;所述第一端子包括设于主体部上的第一固持部、自第一固持部前端向前延伸并设于舌板上的弹性第一接触部、自第一固持部后端向下弯折延伸的第一连接部以及自第一连接部延伸的第一焊接部,所述第二端子包括设于舌板上的第二固持部、自第二固持部前端延伸且位于舌板上的第二接触部、自第二固持部后端向下弯折延伸的第二连接部以及自第二连接部延伸的第二焊接部;所述第一端子与第二端子的结构强度相同,因为第一端子的弹性第一接触部呈悬臂状并延伸入插接口内,在使用中要发生弹性变形,而第二端子的第二接触部呈平板状贴靠于舌板上并暴露于插接口内,在使用中不需要发生弹性变形,所以造成第一端子的使用寿命小于第二端子的使用寿命,进而导致电连接器的使用寿命因第一端子的使用寿命的影响而减小。For the prior art related to the present invention, please refer to an electrical connector disclosed in Chinese Utility Model Patent No. CN201741887U published on February 9, 2011, which is provided with a plug-in port, and includes an insulating body and a several terminals within. The insulating body includes a main body and a tongue plate arranged on the main body; the terminal includes a first terminal and a second terminal; the first terminal includes a first holding portion arranged on the main body, from the first The front end of the holding part extends forward and is provided on the elastic first contact part on the tongue plate, the first connecting part that bends and extends downward from the rear end of the first holding part, and the first welding part extending from the first connecting part. The second terminal includes a second holding portion arranged on the tongue plate, a second contact portion extending from the front end of the second holding portion and located on the tongue plate, and a second connection extending downwards from the rear end of the second holding portion. part and the second welding part extending from the second connecting part; the structural strength of the first terminal and the second terminal is the same, because the elastic first contact part of the first terminal is in the shape of a cantilever and extends into the socket. Elastic deformation will occur during the operation, while the second contact portion of the second terminal is in a flat shape against the tongue plate and exposed to the socket, and elastic deformation does not need to occur during use, so the service life of the first terminal is shorter than that of the second terminal. The service life of the second terminal, and thus the service life of the electrical connector is reduced due to the service life of the first terminal.

因此,有必要对现有的电连接器进行改造以克服上述缺陷。Therefore, it is necessary to modify the existing electrical connectors to overcome the above defects.

【发明内容】 【Content of invention】

本发明的目的在于提供一种可以延长电连接器的使用寿命的电连接器。The object of the present invention is to provide an electrical connector that can prolong the service life of the electrical connector.

为实现上述目的,本发明采用如下技术方案:一种电连接器,其设有一插接口,并包括绝缘本体及设于绝缘本体上的若干端子;所述绝缘本体包括主体部及设于主体部上的一舌板;所述端子包括第一端子及第二端子;所述第一端子包括设于主体部上的第一固持部、自第一固持部前端向前延伸并设于舌板上的弹性第一接触部、自第一固持部后端向下弯折延伸的第一连接部以及自第一连接部延伸的第一焊接部,所述第二端子包括设于舌板上的第二固持部、自第二固持部前端延伸且位于舌板上的第二接触部、自第二固持部后端向下弯折延伸的第二连接部以及自第二连接部延伸的第二焊接部;所述弹性第一接触部成悬臂状并延伸入插接口内,所述第二接触部成平板状贴靠于舌板上并暴露于插接口内,其特征在于:所述第一端子的结构强度优于第二端子。In order to achieve the above object, the present invention adopts the following technical solutions: an electrical connector, which is provided with a socket, and includes an insulating body and a plurality of terminals arranged on the insulating body; A tongue plate on the top; the terminal includes a first terminal and a second terminal; the first terminal includes a first holding portion arranged on the main body, extending forward from the front end of the first holding portion and set on the tongue plate The elastic first contact part, the first connecting part bent and extended downward from the rear end of the first holding part, and the first welding part extended from the first connecting part, the second terminal includes a first connecting part arranged on the tongue plate Two holding parts, a second contact part extending from the front end of the second holding part and located on the tongue plate, a second connecting part bent and extending downward from the rear end of the second holding part, and a second welding part extending from the second connecting part part; the elastic first contact part is cantilever-shaped and extends into the insertion port, and the second contact part is flat against the tongue plate and exposed in the insertion port, characterized in that: the first terminal The structural strength is better than that of the second terminal.

与现有技术相比,本发明电连接器具有如下有益效果:所述第一端子的强度优于所述第二端子的强度,从而增强了弹性第一接触部的强度,进而增加了第一端子及电连接器的使用寿命。Compared with the prior art, the electrical connector of the present invention has the following beneficial effects: the strength of the first terminal is better than that of the second terminal, thereby enhancing the strength of the elastic first contact portion, and further increasing the strength of the first terminal. The service life of terminals and electrical connectors.

【附图说明】 【Description of drawings】

图1为本发明电连接器的立体组合图。FIG. 1 is a three-dimensional assembled view of the electrical connector of the present invention.

图2为本发明电连接器的部分分解图。Fig. 2 is a partially exploded view of the electrical connector of the present invention.

图3为本发明电连接器中绝缘块与端子的立体组合图。Fig. 3 is a three-dimensional combined view of an insulating block and a terminal in the electrical connector of the present invention.

图4为图3的部分分解图。FIG. 4 is a partially exploded view of FIG. 3 .

图5为图4另一角度的部分分解图。FIG. 5 is a partially exploded view of FIG. 4 from another angle.

图6为本发明电连接器中第一、第二绝缘块的立体示意图。Fig. 6 is a schematic perspective view of the first and second insulating blocks in the electrical connector of the present invention.

图7为本发明电连接器的立体分解图。FIG. 7 is an exploded perspective view of the electrical connector of the present invention.

图8为本发明电连接器的另一角度的立体分解图。FIG. 8 is an exploded perspective view from another angle of the electrical connector of the present invention.

图9为本发明电连接器中端子的右视图。Fig. 9 is a right side view of the terminal in the electrical connector of the present invention.

【具体实施方式】 【Detailed ways】

请参阅图1至图9所示,本发明电连接器100为堆叠设计的四层USB 3.0插座连接器,其包括绝缘本体1、固持于绝缘本体1上的若干端子2、固持于绝缘本体1后侧以定位端子2的绝缘块3及遮盖绝缘本体1的遮蔽壳体4。所述电连接器100沿绝缘本体1上下方向堆叠设置有四个用以收容对接插头(未图示)的插接口5。Please refer to Figures 1 to 9, the electrical connector 100 of the present invention is a four-layer USB 3.0 socket connector designed for stacking, which includes an insulating body 1, a number of terminals 2 held on the insulating body 1, and held on the insulating body 1 The rear side is used to position the insulating block 3 of the terminal 2 and the shielding case 4 to cover the insulating body 1 . The electrical connector 100 is stacked with four sockets 5 for accommodating mating plugs (not shown) along the vertical direction of the insulating body 1 .

请参阅图7至图9所示,所述绝缘本体1包括主体部11及固持于主体部11上的若干舌板12。所述主体部11设有基部13及自基部13前端向前延伸的若干隔板14。所述基部13设有一前端面130。所述隔板14沿绝缘本体1上下方向间隔设置并且相互平行。所述基部13设置有若干自前端面130向后凹设的收容腔131以固持舌板12、位于收容腔131下侧且前后贯穿基部13的第一端子收容孔137及位于收容腔131后侧并前后贯穿基部13的第二端子收容孔132以固持端子2。所述收容腔131设有位于第二端子收容孔132前方且横向设置的第一收容腔1311、及自第一收容腔1311两端向下延伸且位于第二端子收容孔132两侧的第二收容腔1312。所述基部13后端凹设有用以收容并固持绝缘块3的容置空间133。所述容置空间133两侧内壁形成有向内延伸用以固持绝缘块3的倒勾138。所述基部13两侧分别设有若干向内凹陷的凹陷部134以与遮蔽壳体4相抵持及向外凸设的凸块135以与遮蔽壳体4相扣持。所述基部13后端下侧凹设有若干与最下侧一排的第一端子收容孔137相对应的槽道136以定位端子2后端。Referring to FIGS. 7 to 9 , the insulating housing 1 includes a main body 11 and a plurality of tongues 12 fixed on the main body 11 . The main body 11 has a base 13 and a plurality of partitions 14 extending forward from a front end of the base 13 . The base 13 has a front end 130 . The partitions 14 are arranged at intervals along the vertical direction of the insulating body 1 and are parallel to each other. The base 13 is provided with a plurality of receiving cavities 131 recessed from the front end surface 130 to hold the tongue plate 12, a first terminal receiving hole 137 located on the lower side of the receiving cavity 131 and passing through the base 13 front and rear, and a rear side of the receiving cavity 131. And pass through the second terminal accommodating hole 132 of the base 13 front and back to hold the terminal 2 . The receiving cavity 131 is provided with a first receiving cavity 1311 located in front of the second terminal receiving hole 132 and arranged laterally, and a second receiving cavity 1311 extending downward from both ends of the first receiving cavity 1311 and located on both sides of the second terminal receiving hole 132. accommodating chamber 1312 . An accommodating space 133 for accommodating and holding the insulating block 3 is recessed at the rear end of the base portion 13 . Two inner walls of the accommodating space 133 are formed with barbs 138 extending inward for holding the insulating block 3 . Two sides of the base portion 13 are respectively provided with a plurality of inwardly recessed recesses 134 for abutting against the shielding case 4 and outwardly protruding protrusions 135 for buckling with the shielding case 4 . A plurality of slots 136 corresponding to the first terminal receiving holes 137 in the lowermost row are recessed on the lower side of the rear end of the base 13 to position the rear ends of the terminals 2 .

每一舌板12设有收容并固持于收容腔131内的固持段121及自固持段121向前延伸到插接口5的对接部122。所述固持段121设有收容于第一收容腔1311内的横向部分1211以限制舌板12沿绝缘本体1上下方向移动、及自横向部分1211两端下侧分别向后延伸的固持臂1212。所述固持臂1212收容于第二收容腔1312内并勾持于基部13后侧、所述横向部分1211后端向后抵持于第一收容腔1311内壁,从而可防止舌板12沿绝缘本体1前后方向移动。所述对接部122上形成有位于底面的第一端子收容槽1222、位于第一端子收容槽1222前侧的第二端子收容槽1221及形成于相邻第二端子收容槽1221之间的凸肋。所述第二端子收容槽1221向前贯穿至对接部122前端面,所述第一端子收容槽1222与第二端子收容槽1221沿绝缘本体1前后方向间隔设置。Each tongue plate 12 is provided with a holding section 121 received and held in the receiving cavity 131 and a docking portion 122 extending forward from the holding section 121 to the insertion port 5 . The retaining section 121 has a transverse portion 1211 accommodated in the first receiving cavity 1311 to limit the movement of the tongue plate 12 along the vertical direction of the insulating body 1 , and retaining arms 1212 respectively extending backward from the lower sides of both ends of the transverse portion 1211 . The holding arm 1212 is accommodated in the second receiving cavity 1312 and hooked on the rear side of the base 13, and the rear end of the transverse portion 1211 is pressed against the inner wall of the first receiving cavity 1311, thereby preventing the tongue plate 12 from moving along the insulating body. 1 Move in the forward and backward directions. A first terminal receiving groove 1222 located on the bottom surface, a second terminal receiving groove 1221 located on the front side of the first terminal receiving groove 1222 and a rib formed between adjacent second terminal receiving grooves 1221 are formed on the docking portion 122 . The second terminal receiving groove 1221 penetrates forward to the front end of the docking portion 122 , and the first terminal receiving groove 1222 and the second terminal receiving groove 1221 are spaced apart along the front and rear direction of the insulating body 1 .

所述端子2包括沿绝缘本体1上下方向依次排列的第一组端子21、第二组端子22、第三组端子23及第四组端子24。所述每一组端子21、22、23、24均包括第一端子26及位于第一端子26上方的第二端子25。所述第一端子26设有固持于第一端子收容孔137内的第一固持部261、自第一固持部261前端向前延伸到第一端子收容槽1222内的弹性第一接触部262、自第一固持部261后端向下弯折延伸的第一连接部263及自第一连接部263向下竖直延伸的第一焊接部264。所述第二端子25镶埋成型于舌板12中,并设有埋设于舌板12内的第二固持部251、自第二固持部251前端延伸到对接部122并收容于第二端子收容槽1221内的第二接触部252、自第二固持部251后端向下弯折延伸的第二连接部253及自第二连接部253向下竖直延伸的第二焊接部254。所述弹性第一接触部262、第二接触部252设于对应舌板12的同一侧且沿绝缘本体1前后方向排布成两排,且所述弹性第一接触部262位于第二接触部252后方。所述弹性第一接触部262成悬臂状收容于第一端子收容槽1222内并延伸入插接口5内,所述第二接触部252成平板状贴靠于第二端子收容槽1221的底面并暴露于插接口5内。所述第一端子26的结构强度优于所述第二端子25的结构强度,增加所述第一端子26的使用寿命,进而增加电连接器100的使用寿命。在本实施例中,所述第一端子26的厚度与第二端子25的厚度相同,所述第一端子26的材料强度优于所述第二端子25的材料强度,所述第一端子26的材料是磷铜,所述第二端子25的材料是黄铜,因此,本实施例通过第一端子26采用较好的材料来加强其强度。The terminals 2 include a first group of terminals 21 , a second group of terminals 22 , a third group of terminals 23 and a fourth group of terminals 24 arranged in sequence along the vertical direction of the insulating body 1 . Each group of terminals 21 , 22 , 23 , 24 includes a first terminal 26 and a second terminal 25 above the first terminal 26 . The first terminal 26 is provided with a first holding portion 261 held in the first terminal receiving hole 137, a first elastic contact portion 262 extending forward from the front end of the first holding portion 261 into the first terminal receiving groove 1222, The first connecting portion 263 is bent downward from the rear end of the first holding portion 261 and the first welding portion 264 is vertically extended downward from the first connecting portion 263 . The second terminal 25 is embedded and molded in the tongue plate 12, and is provided with a second holding portion 251 embedded in the tongue plate 12, extending from the front end of the second holding portion 251 to the docking portion 122 and accommodated in the second terminal. The second contact portion 252 in the slot 1221 , the second connecting portion 253 bent and extended downward from the rear end of the second holding portion 251 , and the second welding portion 254 vertically extended downward from the second connecting portion 253 . The elastic first contact portion 262 and the second contact portion 252 are arranged on the same side of the corresponding tongue plate 12 and arranged in two rows along the front and rear direction of the insulating body 1, and the elastic first contact portion 262 is located on the second contact portion 252 rear. The elastic first contact portion 262 is accommodated in the first terminal receiving groove 1222 in a cantilever shape and extends into the insertion port 5 , and the second contact portion 252 is flat against the bottom surface of the second terminal receiving groove 1221 and Exposed in the socket 5. The structural strength of the first terminal 26 is better than that of the second terminal 25 , which increases the service life of the first terminal 26 and further increases the service life of the electrical connector 100 . In this embodiment, the thickness of the first terminal 26 is the same as that of the second terminal 25, the material strength of the first terminal 26 is better than that of the second terminal 25, and the first terminal 26 The material of the second terminal 25 is phosphor copper, and the material of the second terminal 25 is brass. Therefore, in this embodiment, the first terminal 26 is made of a better material to enhance its strength.

在其他实施例中,也可以通过设置所述第一端子26的厚度大于所述第二端子25的厚度,来达到所述第一端子26的结构强度优于第二端子25的结构强度的效果。In other embodiments, it is also possible to achieve the effect that the structural strength of the first terminal 26 is better than that of the second terminal 25 by setting the thickness of the first terminal 26 to be greater than the thickness of the second terminal 25 .

所述第一组端子21、第二组端子22中的第一固持部261后端设有沿远离第二固持部251方向弯折延伸的第一弯折部,所述第一连接部263自第一弯折部后端向下弯折延伸,如此设置,可以降低端子2之间的串音。所述每一组端子21、22、23、24内的第一连接部263与第二连接部253沿绝缘本体1前后方向成两排设置,从而使得第一、第二、第三组及第四端子21、22、23、24的连接部253、263沿绝缘本体1前后方向排列为八排,其中第四组端子24的连接部253、263位于最前两排,而第一组端子21的连接部253、263位于最后两排。The rear end of the first holding part 261 in the first group of terminals 21 and the second group of terminals 22 is provided with a first bending part bent and extending in a direction away from the second holding part 251, and the first connecting part 263 is from The rear end of the first bending part is bent and extended downwards, so that the crosstalk between the terminals 2 can be reduced. The first connection part 263 and the second connection part 253 in each group of terminals 21, 22, 23, 24 are arranged in two rows along the front and back direction of the insulating body 1, so that the first, second, third and third groups The connecting parts 253, 263 of the four terminals 21, 22, 23, 24 are arranged in eight rows along the front and rear direction of the insulating body 1, wherein the connecting parts 253, 263 of the fourth group of terminals 24 are located in the first two rows, and the connecting parts 253, 263 of the first group of terminals 21 are arranged in eight rows. The connection parts 253, 263 are located in the last two rows.

所述每一组端子21、22、23、24中的第二端子25均包括有位于两侧的两对差分信号端子及位于两对差分信号端子之间的一根接地端子,所述同一组端子中的接地端子的第二固持部251及第二连接部253沿绝缘本体1横向的宽度大于所述两对差分信号端子的第二固持部251及第二连接部253沿绝缘本体1横向的宽度;所述第一组端子21、第二组端子22中的第二端子25的接地端子的第二固持部251及第二连接部253沿绝缘本体1横向的宽度大于所述第三组端子23、第四组端子24中的第二固持部251及第二连接部253沿绝缘本体1横向的宽度。所述第一组端子21、第二组端子22中的第二端子25的接地端子的第二固持部251上的前段部分较其后段部分宽,且其前段部分上设有若干孔;所述第三组端子23、第四组端子24中的第二端子25的接地端子的第二固持部251的前段部分较其后段部分宽,且其前端部分呈十字架状;所述第一组、第二组、第三组及第四组端子21、22、23、24中差分信号端子的第二固持部251的前段部分较其后段部分窄,如此设置,可以降低接地端子之间的阻抗差值,提高电连接器的电气性能。The second terminal 25 in each group of terminals 21, 22, 23, 24 includes two pairs of differential signal terminals located on both sides and a ground terminal located between the two pairs of differential signal terminals. The width of the second holding portion 251 and the second connecting portion 253 of the ground terminal along the transverse direction of the insulating body 1 is greater than that of the second holding portion 251 and the second connecting portion 253 of the two pairs of differential signal terminals along the transverse direction of the insulating body 1. Width: The width of the second holding part 251 and the second connecting part 253 of the grounding terminal of the first group of terminals 21 and the second terminal 25 of the second group of terminals 22 along the transverse direction of the insulating body 1 is larger than that of the third group of terminals 23. The width of the second holding portion 251 and the second connecting portion 253 in the fourth group of terminals 24 along the transverse direction of the insulating housing 1 . The front part of the second holding part 251 of the grounding terminal 251 of the second terminal 25 in the first group of terminals 21 and the second group of terminals 22 is wider than its rear part, and a number of holes are provided on the front part; The front part of the second holding part 251 of the grounding terminal 25 of the second terminal 25 in the third group of terminals 23 and the fourth group of terminals 24 is wider than its rear part, and its front part is cross-shaped; the first group 1. The front part of the second holding part 251 of the differential signal terminals in the second group, the third group and the fourth group of terminals 21, 22, 23, 24 is narrower than the rear part, so that the distance between the ground terminals can be reduced. The impedance difference improves the electrical performance of the electrical connector.

请参阅图3至图8所示,所述绝缘块3包括固持于绝缘本体1后端、并沿绝缘本体1上下方向相互固持的第一绝缘块31及第二绝缘块32,及夹持于第一、第二绝缘块31、32与基部13之间的第三绝缘块33。所述第一绝缘块31间隔设置有若干上下贯穿的第一收容孔311以收容第一组端子21中第二、第一端子25、26的连接部253、263及第二组端子22中第二端子25的第二连接部253上侧部分。所述第二绝缘块32设有若干上下贯穿并与第一收容孔311沿绝缘本体1上下方向一一对应的第二收容孔321以收容第一组端子21中的第一、第二连接部253,263及第二组端子22中第二端子25的第二连接部253下侧部分。所述第一绝缘块31底面向上凹设有固持孔312,所述第二绝缘块32设有自顶面向上延伸以与所述固持孔312相固持的固持柱322,以将第一绝缘块31与第二绝缘块32沿绝缘本体1上下方向固持在一起。所述固持孔312沿绝缘本体1横向位于第一收容孔311的外侧,所述固持柱322沿绝缘本体1横向位于第二收容孔321的外侧并与所述固持孔312对应设置。由此可见,本发明电连接器100设置沿上下方向相互固持的第一、第二绝缘块31、32,从而可减短成型每一绝缘块31、32上收容孔311、321的过程中模具(未图示)上相应模仁的长度,使得模仁不易被碰撞而断裂,降低产品制造成本,提高生产效率。所述第二绝缘块32两侧分别设有一向外突伸的固持块325以与遮蔽壳体4相固持,及自两侧前端向前延伸的卡勾326。Please refer to Figures 3 to 8, the insulating block 3 includes a first insulating block 31 and a second insulating block 32 that are fixed on the rear end of the insulating body 1 and are mutually fixed along the up and down direction of the insulating body 1, and are clamped on the The third insulating block 33 between the first and second insulating blocks 31 , 32 and the base 13 . The first insulating block 31 is provided with a plurality of first receiving holes 311 penetrating up and down at intervals to accommodate the connecting parts 253, 263 of the second and first terminals 25, 26 in the first group of terminals 21 and the second group of terminals 22 in the second group. The upper part of the second connecting portion 253 of the second terminal 25 . The second insulating block 32 is provided with a plurality of second receiving holes 321 penetrating up and down and corresponding to the first receiving holes 311 along the vertical direction of the insulating body 1 to accommodate the first and second connecting parts of the first group of terminals 21 253 , 263 and the lower part of the second connecting portion 253 of the second terminal 25 in the second group of terminals 22 . The bottom surface of the first insulating block 31 is concavely provided with a holding hole 312, and the second insulating block 32 is provided with a holding post 322 extending upward from the top surface to hold the holding hole 312, so that the first insulating block 31 and the second insulating block 32 are fixed together along the vertical direction of the insulating body 1 . The holding hole 312 is located outside the first receiving hole 311 along the transverse direction of the insulating body 1 , and the holding post 322 is located outside the second receiving hole 321 along the transverse direction of the insulating body 1 and is disposed corresponding to the holding hole 312 . It can be seen that the electrical connector 100 of the present invention is provided with the first and second insulating blocks 31, 32 that are mutually fixed in the vertical direction, thereby shortening the process of molding the receiving holes 311, 321 on each insulating block 31, 32. (not shown) The length of the corresponding mold core makes the mold core not easy to be broken by collision, reduces the manufacturing cost of the product, and improves the production efficiency. Two sides of the second insulating block 32 are respectively provided with a holding block 325 protruding outwards to hold the shielding shell 4 , and hooks 326 extending forward from the front ends of both sides.

所述第三绝缘块33设有若干上下贯穿的第三收容孔331及自第三绝缘块33后侧凹设的收容槽332。所述第三组端子23中的第二、第一连接部253、263及第四组端子24中第二连接部253收容于第三收容孔331内。所述第二组端子22中第一端子26的第一连接部263向前收容于所述收容槽332内,所述第二绝缘块32前侧设有若干沿上下方向延伸的第一凸肋323,所述第一凸肋323向前收容于所述收容槽332内以抵持位于第二绝缘块32前方的第二组端子22中第一连接部263后侧以防止第二组端子22中的第一连接部263前后晃动。所述第四组端子24中的第一连接部263向前收容于绝缘本体1后端的槽道1221内。所述第三绝缘块33前侧凸伸有若干沿上下方向延伸的第二凸肋333,所述第二凸肋333向前收容于所述槽道1221内并抵压于所述第四组端子24的第一连接部263后侧,以防止第四组端子24中的第一连接部263前后晃动。所述第三绝缘块33两侧分别设有向外突伸的扣持块334。组装时,所述卡勾326勾持在扣持块334的外侧以将第三绝缘块33固持在两卡勾326之间。所述第一、第三绝缘块31、33两侧分别设有与绝缘本体1上容置空间133两侧内壁上的倒勾138相勾持的卡块313。The third insulating block 33 is provided with a plurality of third receiving holes 331 penetrating up and down and a receiving groove 332 recessed from the rear side of the third insulating block 33 . The second and first connection portions 253 , 263 of the third group of terminals 23 and the second connection portion 253 of the fourth group of terminals 24 are received in the third receiving hole 331 . The first connecting portion 263 of the first terminal 26 in the second group of terminals 22 is received forwardly in the receiving groove 332, and the front side of the second insulating block 32 is provided with a plurality of first ribs extending in the vertical direction. 323, the first protruding rib 323 is forwardly received in the receiving groove 332 to abut against the rear side of the first connecting portion 263 of the second group of terminals 22 located in front of the second insulating block 32 to prevent the second group of terminals 22 from The first connecting part 263 in the rocking back and forth. The first connection portion 263 of the fourth group of terminals 24 is forwardly received in the slot 1221 at the rear end of the insulating housing 1 . The front side of the third insulating block 33 has a plurality of second ribs 333 extending in the vertical direction, and the second ribs 333 are received in the groove 1221 forward and pressed against the fourth group. The rear side of the first connecting portion 263 of the terminal 24 is used to prevent the first connecting portion 263 in the fourth group of terminals 24 from shaking back and forth. The two sides of the third insulating block 33 are respectively provided with outwardly protruding buckling blocks 334 . During assembly, the hooks 326 are hooked on the outside of the holding block 334 to hold the third insulating block 33 between the two hooks 326 . Both sides of the first and third insulating blocks 31 and 33 are respectively provided with locking blocks 313 that engage with the barbs 138 on the inner walls of the accommodating space 133 on the insulating body 1 .

由此可见,所述第一组端子21中的第一、第二连接部263、253及第二组端子22中的第二连接部253共同组成收容于第一、第二绝缘块31、32上的后连接部,其中后连接部上侧部分收容于第一绝缘块31上的第一收容孔311内,而后连接部下侧部分收容于第二绝缘块32上的第二收容孔321内。所述第二组端子22中的第一连接部263共同组成位于后连接部前方的中连接部,并且该中连接部夹持固定在第二绝缘块32和第三绝缘块33之间。其中所述中连接部沿绝缘本体1上下方向的高度大于第三绝缘块33而小于第一绝缘块31和第二绝缘块32叠加后的高度,所述第三绝缘块33设计成向上延伸超过第二绝缘块32顶端而未超出第一绝缘块31顶端,从而可使中连接部上侧抵靠在第三绝缘块33后端上侧以防止中连接部顶部向前倾斜。所述第三组端子23中的第一、第二连接部263、253及第四组端子24中第二连接部253共同组成位于中连接部前方的前连接部,该前连接部分别收容在第三绝缘块33的第三收容孔331内。所述第四组端子24的第一连接部263共同夹持固定在第三绝缘块33与绝缘本体1之间。It can be seen that, the first and second connecting parts 263 and 253 in the first group of terminals 21 and the second connecting part 253 in the second group of terminals 22 jointly form and are housed in the first and second insulating blocks 31 and 32. The upper rear connection part, wherein the upper part of the rear connection part is received in the first receiving hole 311 on the first insulating block 31 , and the lower part of the rear connecting part is received in the second receiving hole 321 on the second insulating block 32 . The first connection part 263 in the second group of terminals 22 jointly forms a middle connection part located in front of the rear connection part, and the middle connection part is clamped and fixed between the second insulating block 32 and the third insulating block 33 . Wherein the height of the middle connection portion along the up and down direction of the insulating body 1 is greater than the third insulating block 33 and smaller than the stacked height of the first insulating block 31 and the second insulating block 32, and the third insulating block 33 is designed to extend upwards more than The top of the second insulating block 32 does not exceed the top of the first insulating block 31 , so that the upper side of the middle connecting portion can abut against the upper side of the rear end of the third insulating block 33 to prevent the top of the middle connecting portion from tilting forward. The first and second connection parts 263, 253 in the third group of terminals 23 and the second connection part 253 in the fourth group of terminals 24 jointly form a front connection part located in front of the middle connection part, and the front connection parts are respectively accommodated in Inside the third receiving hole 331 of the third insulating block 33 . The first connecting portion 263 of the fourth group of terminals 24 is jointly clamped and fixed between the third insulating block 33 and the insulating body 1 .

所述遮蔽壳体4包括沿绝缘本体1前后方向相互固持的第一壳体41和第二壳体42,及遮盖于每一隔板14上下的内壳体43。所述第一壳体41设有遮盖绝缘本体1顶部的顶壁411、自顶壁411两侧分别向下延伸以遮盖绝缘本体1两侧的两侧壁412。所述顶壁411设有一对向下延伸入顶部插接口5内的一对第一抵压弹片4111及位于顶壁411后侧的一对通孔4112。所述每一侧壁412设有若干与每一插接口5相对应并侧向延伸入插接口5内的第二抵压弹片4121、及位于每两个第二抵压弹片4121之间的开口4122。所述每一侧壁412后侧分别设有一对向内刺破的凸片4123以抵持于绝缘本体1上的凹陷部134内,及自后端凹设的一对缺口4124以与绝缘本体1上的凸块135及第二绝缘块32两侧的固持块325相固持。所述侧壁412上在每一缺口4124下侧分别设有一固持孔4125以与第二壳体42相固持。The shielding shell 4 includes a first shell 41 and a second shell 42 that are fixed to each other along the front and rear directions of the insulating body 1 , and an inner shell 43 that covers the top and bottom of each partition 14 . The first casing 41 has a top wall 411 covering the top of the insulating body 1 , and two side walls 412 extending downward from both sides of the top wall 411 to cover both sides of the insulating body 1 . The top wall 411 is provided with a pair of first resisting elastic pieces 4111 extending downward into the top insertion port 5 and a pair of through holes 4112 at the rear side of the top wall 411 . Each of the side walls 412 is provided with a number of second pressing elastic pieces 4121 corresponding to each insertion port 5 and extending laterally into the insertion opening 5, and an opening between every two second pressing elastic pieces 4121 4122. The rear side of each side wall 412 is respectively provided with a pair of protruding pieces 4123 piercing inward to resist in the recessed portion 134 on the insulating body 1, and a pair of notches 4124 recessed from the rear end to connect with the insulating body. 1 and the holding blocks 325 on both sides of the second insulating block 32 are fixed. A fixing hole 4125 is respectively defined on the side wall 412 at the lower side of each notch 4124 for fixing with the second casing 42 .

所述第二壳体42设有一遮盖绝缘本体1及绝缘块3后侧的后盖421、自后盖421顶部向前延伸的顶缘422及自后盖421两侧分别向前延伸的侧缘423。所述顶缘422及两侧缘423分别设有一对向内撕破的固持片424以分别与第一壳体41顶壁411上的通孔4112及侧壁412上的固持孔4125相固持。The second housing 42 is provided with a rear cover 421 covering the rear side of the insulating body 1 and the insulating block 3 , a top edge 422 extending forward from the top of the rear cover 421 , and side edges extending forward from both sides of the rear cover 421 respectively. 423. The top edge 422 and the two side edges 423 are respectively provided with a pair of holding pieces 424 torn inwards to hold the through hole 4112 on the top wall 411 of the first casing 41 and the holding hole 4125 on the side wall 412 respectively.

所述每一内壳体43设有平板部431遮盖在隔板14的前端、自所述平板部431上下两侧分别向后延伸以遮盖在隔板14上下两侧的延伸部432、及自平板部431左右两侧分别向后延伸的扣持片433以分别与第一壳体41两侧壁412前侧的开口4122相扣持。所述平板部431上设有一对向前并相向延伸的接地片4311以与电脑机壳(未图示)相抵接而进行接地。所述每一延伸部432上设有一对向上或向下延伸入插接口5内的第三抵压弹片4321以与对接插头相扣持。Each inner casing 43 is provided with a flat plate portion 431 covering the front end of the partition plate 14, an extension portion 432 extending backward from the upper and lower sides of the flat plate portion 431 to cover the upper and lower sides of the partition plate 14, and extending from the upper and lower sides of the partition plate 14. The locking pieces 433 on the left and right sides of the flat plate portion 431 respectively extend backward to engage with the openings 4122 on the front side of the side walls 412 of the first casing 41 . A pair of grounding plates 4311 extending forward and opposite to each other are disposed on the flat plate portion 431 to abut against a computer case (not shown) for grounding. Each extending portion 432 is provided with a pair of third resisting elastic pieces 4321 extending upward or downward into the insertion port 5 to engage with the mating plug.

由以上可知,本发明电连接器100中设置有固持于绝缘本体1上的若干端子2,所述端子2包括第一组端子21、第二组端子22、第三组端子23及第四组端子24。每一组端子21、22、23、24均包括第一端子26及位于第一端子26上方的第二端子25,所述第一端子26的结构强度优于第二端子25。在本实施例中,所述第一端子26的材料强度优于所述第二端子25的材料强度,所述第一端子26的材料是磷铜,所述第二端子25的材料是黄铜。在其他实施例中,也可以通过设置所述第一端子26的厚度大于所述第二端子25的厚度,来达到所述第一端子26的结构强度优于第二端子25的结构强度的效果,增加第一端子26的使用寿命,进而增加电连接器100的使用寿命,同时第二端子25采用强度较弱材料以同时控制整个电连接器100的成本。As can be seen from the above, the electrical connector 100 of the present invention is provided with a plurality of terminals 2 held on the insulating body 1, and the terminals 2 include a first group of terminals 21, a second group of terminals 22, a third group of terminals 23 and a fourth group of terminals. Terminal 24. Each group of terminals 21 , 22 , 23 , 24 includes a first terminal 26 and a second terminal 25 located above the first terminal 26 , and the structural strength of the first terminal 26 is better than that of the second terminal 25 . In this embodiment, the material strength of the first terminal 26 is better than that of the second terminal 25, the material of the first terminal 26 is phosphor bronze, and the material of the second terminal 25 is brass . In other embodiments, it is also possible to achieve the effect that the structural strength of the first terminal 26 is better than that of the second terminal 25 by setting the thickness of the first terminal 26 to be greater than the thickness of the second terminal 25 , to increase the service life of the first terminal 26 , thereby increasing the service life of the electrical connector 100 , while the second terminal 25 is made of weaker material to control the cost of the entire electrical connector 100 at the same time.

在本实施例中,所述第一组端子21及第二组端子22中第一端子26的厚度大于所述第三组端子23及第四组端子24中第一端子26的厚度,如此设置,可以降低第一端子26之间的阻抗差,提高电连接器的电气性能。In this embodiment, the thickness of the first terminal 26 in the first group of terminals 21 and the second group of terminals 22 is greater than the thickness of the first terminal 26 in the third group of terminals 23 and the fourth group of terminals 24, so that , the impedance difference between the first terminals 26 can be reduced, and the electrical performance of the electrical connector can be improved.

另外,在本实施例中,该电连接器100为USB3.0插座连接器,在其他实施例中,同样可以为E-SATA与USB2.0或USB3.0共用插接口的插座连接器。所述USB2.0或USB3.0的端子接触部位于舌板一侧,而E-SATA端子的接触部位于舌板另一侧,且USB2.0或USB3.0端子弹性强度大于E-SATA端子弹性强度。In addition, in this embodiment, the electrical connector 100 is a USB3.0 receptacle connector, and in other embodiments, it can also be a receptacle connector with a common socket between E-SATA and USB2.0 or USB3.0. The terminal contact portion of the USB2.0 or USB3.0 is located on one side of the tongue plate, while the contact portion of the E-SATA terminal is located on the other side of the tongue plate, and the elastic strength of the USB2.0 or USB3.0 terminal is greater than that of the E-SATA terminal elastic strength.

综上所述,以上仅为本发明的较佳实施例而已,不应以此限制本发明的范围,即凡是依本发明权利要求书及说明书内容所作的简单的等效变化与修饰,皆应仍属本发明专利涵盖的范围内。In summary, the above are only preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description should all be Still belong to the scope that the patent of the present invention covers.

Claims (10)

1.一种电连接器,其设有一插接口,并且包括绝缘本体及设于绝缘本体上的若干端子;所述绝缘本体包括主体部及设于主体部上的一舌板;所述端子包括第一端子及第二端子;所述第一端子包括设于主体部上的第一固持部、自第一固持部前端向前延伸并设于舌板上的弹性第一接触部、自第一固持部后端向下弯折延伸的第一连接部以及自第一连接部延伸的第一焊接部,所述第二端子包括设于舌板上的第二固持部、自第二固持部前端延伸且位于舌板上的第二接触部、自第二固持部后端向下弯折延伸的第二连接部以及自第二连接部延伸的第二焊接部;所述弹性第一接触部成悬臂状并延伸入插接口内,所述第二接触部成平板状贴靠于舌板上并暴露于插接口内,其特征在于:所述第一端子的结构强度优于第二端子。1. An electrical connector, which is provided with a plug-in interface, and includes an insulating body and a plurality of terminals arranged on the insulating body; the insulating body includes a main body and a tongue plate arranged on the main body; the terminals include The first terminal and the second terminal; the first terminal includes a first holding portion arranged on the main body, an elastic first contact portion extending forward from the front end of the first holding portion and arranged on the tongue plate, and extending from the first holding portion The rear end of the holding part bends downwards to extend the first connecting part and the first welding part extends from the first connecting part, the second terminal includes a second holding part arranged on the tongue plate, The second contact portion extending and located on the tongue plate, the second connecting portion bent downward from the rear end of the second holding portion, and the second welding portion extending from the second connecting portion; the elastic first contact portion forms Cantilever-shaped and extending into the insertion port, the second contact portion abuts against the tongue plate in a flat shape and is exposed in the insertion port, and the feature is that the structural strength of the first terminal is better than that of the second terminal. 2.如权利要求1所述的电连接器,其特征在于:所述第一端子的厚度大于所述第二端子的厚度。2. The electrical connector as claimed in claim 1, wherein the thickness of the first terminal is greater than the thickness of the second terminal. 3.如权利要求1所述的电连接器,其特征在于:所述第一端子的材料强度优于所述第二端子的材料强度。3. The electrical connector according to claim 1, wherein the material strength of the first terminal is higher than that of the second terminal. 4.如权利要求3所述的电连接器,其特征在于:所述第一端子的材料为磷铜,所述第二端子的材料为黄铜。4. The electrical connector according to claim 3, wherein the material of the first terminal is phosphor copper, and the material of the second terminal is brass. 5.如权利要求1所述的电连接器,其特征在于:所述第一端子组装于舌板上,所述第二端子镶埋成型于舌板上。5. The electrical connector as claimed in claim 1, wherein the first terminal is assembled on the tongue plate, and the second terminal is embedded and formed on the tongue plate. 6.如权利要求1所述的电连接器,其特征在于:所述第一端子与第二端子的排布符合USB 3.0传输标准,所述第二端子包括位于两侧的两对差分信号端子及位于两对差分信号端子之间的一根接地端子,所述接地端子的第二固持部及第二连接部沿绝缘本体横向的宽度大于所述两对差分信号端子的第二固持部及第二连接部沿绝缘本体横向的宽度。6. The electrical connector according to claim 1, wherein the arrangement of the first terminal and the second terminal conforms to the USB 3.0 transmission standard, and the second terminal includes two pairs of differential signal terminals located on both sides and a ground terminal located between the two pairs of differential signal terminals, the width of the second holding portion and the second connecting portion of the ground terminal along the transverse direction of the insulating body is larger than the second holding portion and the first connecting portion of the two pairs of differential signal terminals The width of the two connecting parts along the transverse direction of the insulating body. 7.如权利要求6所述的电连接器,其特征在于:所述接地端子的第二固持部的前段部分较其后段部分宽,且其前段部分上设有若干孔。7. The electrical connector as claimed in claim 6, wherein the front portion of the second holding portion of the ground terminal is wider than the rear portion thereof, and a plurality of holes are formed on the front portion. 8.如权利要求6所述的电连接器,其特征在于:所述接地端子的第二固持部前段部分较其后段部分宽,且其前段部分呈十字架状。8 . The electrical connector as claimed in claim 6 , wherein the front portion of the second holding portion of the ground terminal is wider than the rear portion thereof, and the front portion is cross-shaped. 9.如权利要求6所述的电连接器,其特征在于:所述两对差分信号端子的第二固持部的前段部分较其后段部分窄。9. The electrical connector as claimed in claim 6, wherein the front portion of the second holding portion of the two pairs of differential signal terminals is narrower than the rear portion thereof. 10.如权利要求1所述的电连接器,其特征在于:所述第一端子的第一固持部后端设有沿远离相应第二端子的第二固持部方向弯折延伸的第一弯折部,所述第一连接部自第一弯折部后端向下弯折延伸。10. The electrical connector according to claim 1, wherein the rear end of the first holding portion of the first terminal is provided with a first bend extending in a direction away from the second holding portion of the corresponding second terminal. The first connecting portion bends and extends downward from the rear end of the first bending portion.
CN201110213611.0A 2011-07-13 2011-07-28 Electric connector Active CN102904095B (en)

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US11025012B2 (en) 2018-12-18 2021-06-01 Fu Ding Precision Industrial (Zhengzhou) Co., Ltd. High frequency electrical connector

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