CN107046206A - 电连接器 - Google Patents
电连接器 Download PDFInfo
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Abstract
本发明公开了一种电连接器,其包括外壳、端子模组及防水胶;所述外壳由金属粉末注塑而形成,其包括基座及自基座向前延伸而形成一对接腔的侧壁,所述基座设有向前贯穿的开口及向后贯穿的收容腔;所述端子模组包括基部、自基部向前延伸的对接舌板以及若干端子,所述对接舌板具有相对的两个对接面、连接两个对接面的前端面及两个相对的侧面;所述若干端子包括排列在所述对接舌板对接面的接触部以及延伸出基部的接脚;所述端子模组的基部容纳在所述收容腔内且所述对接舌板向前穿过开口而延伸入所述对接腔;所述外壳的基座设有自其外表面向内延伸而连通所述收容腔的灌胶口,所述防水胶通过灌胶口进入收容腔以密封所述端子模组与外壳之间的缝隙。与现有技术相比,本发明电连接器结构强壮,同时具有良好的防水效果。
Description
【技术领域】
本发明涉及一种电连接器,其具有金属粉末注塑而成的外壳。
【背景技术】
2014年8月11日,USB协会公布了一种新型的电连接器,其插头连接器能够正反两个方向插入对应的插座连接器,该插座连接器能够传输USB2.0及USB3.1信号,这个连接器命名为USB Type C连接器。根据目前业界报道的新闻,该电连接器后续有较大的发展潜力,各连接器厂商配合系统厂商积极开发中。
实用新型专利公告第204651582U号专利公开了一种USB Type C插座连接器,其防水金属外壳是由金属材料注塑成型的,金属外壳具有一定的厚度。该等防水连接器一般使用在便携式设备,比如手机及平板电脑上,该等便携式设备越来越趋向小型化,具有一定厚度及形状的金属外壳则不能满足该需要。同时,便携式设备对防水的性能越来越高。
所以,希望提供一种改良型的电连接器。
【发明内容】
本发明所要解决的技术问题在于提供一种电连接器,其本身结构强壮,同时具有防水效果。
为解决上述技术问题,本发明可采用如下技术方案:一种电连接器,其包括外壳、端子模组及防水胶;所述外壳由金属粉末注塑而形成,其包括基座及自基座向前延伸而形成一对接腔的侧壁,所述基座设有向前贯穿的开口及向后贯穿的收容腔;所述端子模组包括基部、自基部向前延伸的对接舌板以及若干端子,所述对接舌板具有相对的两个对接面、连接两个对接面的前端面及两个相对的侧面;所述若干端子包括排列在所述对接舌板对接面的接触部以及延伸出基部的接脚;所述端子模组的基部容纳在所述收容腔内且所述对接舌板向前穿过开口而延伸入所述对接腔;其特征在于:所述外壳的基座设有自其外表面向内延伸而连通所述收容腔的灌胶口,所述防水胶通过灌胶口进入收容腔以密封所述端子模组与外壳之间的缝隙。。
与现有技术相比,本发明的金属粉末注塑而成的外壳,同时具有灌胶口,方便防水胶注入,使得电连接器结构强壮,同时具有良好的防水效果。
【附图说明】
图1为本发明电连接器的立体图。
图2为图1另一角度的立体图。
图3为图1电连接器部分拆解的立体图。
图4为图3电连接器进一步拆解的立体图。
图5为图4中外壳的立体图。
图6为图5另一角度的立体图。
图7为端子模组部分拆解的立体图。
图8为图7端子模组进一步拆解的立体图。
图9为图1沿虚线A-A的剖面图。
图10为图1沿虚线B-B的剖面图。
图11为图1沿虚线C-C的剖视图。
图12至图14显示电连接器的制造过程。
【主要元件符号说明】
如下具体实施方式将结合上述附图进一步说明本发明。
【具体实施方式】
参图1至图2,本发明公开了一种低构型的电连接器300,该电连接器300为安装在电路板(母板,未图示)上的插座连接器,同时电连接器一般安装在便携式电子设备,比如智慧手机或者平板电脑的壳体(未图示)内,以供外部线缆连接器的插头连接器插入,实现电性连接。本插座连接器300的形状适用于USB Type-C的规格,即其可供插头连接器正反两个方向插入本电连接器300,且同时能传输高速信号、大电源等。本实施例中的电连接器300包括外壳4、收容并固定在外壳4内的端子模组5、密封端子模组与外壳之间缝隙的防水胶6(参图4所示)及固定在外壳4外侧的壁板7。外壳4与壁板7共同形成一对接腔401。
参阅图5-6,同时结合图4所示,所述外壳4由金属粉末注塑而形成,其包括基座41及自基座向前延伸而形成上述对接腔401的侧壁42(标号在图1),本实施例中,所述侧壁42为一对短壁42a而无长壁,如此,外壳的收容腔401在上、下方向上为裸露状态,短壁42a的上表面421与基座的上表面411彼此平齐,下表面也同样平齐,即外壳的上表面大致位于同一平面上,外壳的下表面大致位于同一平面上,上位处理时,定义所述上表面为第一表面,所述下表面为第二表面,端子接脚延伸出第二表面。基座41设有向前贯穿的开口412及向后贯穿的收容腔413。基座41在所述开口412处设有有开口肋环414,收容腔413在其内侧壁设有导引槽415。基座设有自其外表面向内延伸而连通所述收容腔413的灌胶口416,灌胶口呈外大内小的结构,即临近上表面处大致为长形结构,连通收容腔413的开口部分则变小,如此可方便胶水的注入。从图面可以看出,外壳4的基座41及侧壁42的外侧面继续向外延伸出安装壁43,安装壁43与下表面彼此平齐。从图6可以看出,基座41的下壁较短,方便端子模组5中端子接脚部分的裸露。
参图3-4所示,所述端子模组5包括基部51、自基部向前延伸的对接舌板52以及若干端子53,对接舌板52具有相对的两个对接面521、连接两个对接面的前端面522及两个相对的侧面523。端子53包括排列在对接舌板对接面521的接触部531以及延伸出基部的接脚532(参图9所示)。结合图9,所述端子模组5的基部51容纳在收容腔413内且对接舌板52向前穿过开口412而延伸入所述对接腔401。结合图10-11所示,防水胶6通过灌胶口416进入收容腔413以密封所述端子模组5与外壳4之间的缝隙。对接舌板52穿过开口421,基部51则被限制在开口肋环414后方。所述灌胶口416分别位于开口肋环414的后方(图6清楚可见),如此开口肋环414除了限制端子模组5在外壳内的前后方向的移动,同时开口肋环414也可避免防水胶6在注胶过程中对所述对接舌板52的污染。所述端子模组5设置有横向凸伸出导引肋553,所述导引肋553滑入所述导引槽415。
外壳的侧壁422为设置在对应所述对接舌板的两个侧面523的一对短壁422a,短壁422a的内壁面为弧形结构,符合USB Type-C规格书的定义,外表面则配合预安装的设备结构。短壁422a具有上、下表面421,所述基座41具有与短壁的上、下表面平齐的上、下表面411,基座在其上表面/第一表面处设置有两个所述灌胶口416,第二表面则未设置,所述两个灌胶口416分别位于上、下表面的邻近短壁42a处。设置两个灌胶口,可以方便选择其中之一为防水胶7注入,另一则提供排气口,避免点胶过程防水胶直接从第二表面泄漏出去。
参图3所示,所述金属制的壁板7包括彼此独立的第一壁板71及第二壁板72,壁板贴覆在短壁42a及基座41的上、下表面,如此,所述短壁与金属壁板共同形成所述的对接腔401。外壳的上、下表面在围绕长壁缺口处设置有浅凹部402,壁板与外壳的浅凹部之间具有防水膜722(第一壁板也具有同样的防水膜,外壳的下表面也同样具有浅凹部)。防水膜722先预设在壁板72的内侧,然后利用一定的粘性贴在浅凹部402,可以起到初步的定位,同时在完成后也起到防水作用,将电连接器的前端也达成较好的防水作用。随后,壁板71、72与外壳41之间通过镭射焊接完成彼此的固定,如图2所示,壁板7具有镭射焊接点711;第一壁板71贴覆在上表面,其向后垂直弯折出后壁712,后壁将外壳与端子模组的后端面完成遮蔽,同时也通过镭射焊接完成固定,后壁712向下抵靠在外壳设置的凸肋417。
参图7所示,对接舌板52在其邻近基部的根部设有加厚的台阶部524。所述端子模组还包括接地件54,接地件包括贴覆在所述台阶部524的接地部541、及自接地部延伸出而贴覆在所述基部51的连接部542。结合图3所示,所述外壳4的上、下表面分别具有镭射焊接于所述延伸部的若干焊接点543。本实施例中,外壳的外表面设有若干个浅孔418,通过浅孔418镭射焊接在延伸部542,所述焊接点543位于浅孔418内,不会影响后续壁板7的焊接。本实施例的焊接点543位于所述两个灌胶口416的中间。本实施例中,接地件为结构相同的两件式结构。接地部541在其两端设置有插入固定在台阶部524的第一固定部5411以及位于第一固定部后方的凹陷部5412。所述端子中设置有接地端子53G,所述凹陷部5412抵接在所述接地端子53G,图9的剖面图清楚可见,凹陷部5412通过锡焊或者镭射焊接在在所述接地端子53G,接地端子在该部位稍微横向凸出,较凹陷部5412凸出,方便锡焊将两者彼此初步连接。延伸部542的两侧分别设置有插入固定在所述基部的第二固定部5421。从图7及图10可以看出,接地件陷在台阶部内,台阶部的前端具有凸肋5242不仅可以导引对接连接器进入,避免损伤接地件,还可以起到,防止锡焊溢出而污染对接舌板,凸肋5242还延伸到台阶部的侧边。
参图8所示,所述端子模组5内设置有金属板55,金属板自所述对舌板延伸至基部,金属板的两侧具有加厚部551,加厚部551构成对接舌板的两个相对侧面523,同时加厚部的外侧面形成有锁扣缘552。上述导引肋553由金属板延伸出基部51而形成的。该金属板55由金属板锻造而形成,结构相对比较强壮。
参图8所示,端子模组5包括上述的金属板55、上、下两排端子53a、53b、一对接地件,以及将上述元件注塑在一起的第一绝缘体56a、第二绝缘体56b。
下面介绍电连接器300的制造过程,参图12至图14所示。
第一步,注塑金属板55与下排端子53b(即第二排端子):先冲压出所需的金属板5下排端子的形状,金属板55带有位于其前端的第一定位料带81,第一定位料带连接至金属板55的两侧中间靠后端处,下排端子53b带有位于其后端的第二定位料带82,相邻下排端子在其中间部彼此连接有料桥(未图示)。然后,将金属板55与下排端子53b移动到特定相对位置,通过注塑成型的方法在两者之间注塑绝缘材料,使得金属板55与下排端子53b埋设在第一绝缘体56a内,形成半端子模组,如图12中步骤(a)所示。在第一次注塑成型过程中,分别从端子的前后部分注胶。接着再切除料桥及去除下排端子的第二定位料带82,如图12中步骤(b)所示。
第二步,放置上排端子53a(即第一排端子):将上排端子53a放置在第一绝缘体56a的上表面,如图12中步骤(c)所示。因金属板55的加厚部延伸至比较靠后部分,其本身足够强壮,可以支撑起第一绝缘体56a。
第三步,注塑上排端子53a与前述半端子模组:通过注塑成型的方法将绝缘材料注塑在第二步完成后的上排端子53a及半端子模组上,形成第二绝缘体53b,第二、第一绝缘体完全构成一体,形成完整的绝缘本体,如图12中步骤(d)所示。接着再去除金属板的第一定位料带81。此后程序中,上排端子的第三定位料带83完成定位功能。
第四步,组装接地件54及预点锡动作:提供所需形状的一对接地件54,将接地件54组装在台阶部524上,然后在接地件的两端进行点入锡膏,进行初步的定位,如图13中步骤(e)所示。接着去除接地件的第四定位料带84,如图13中步骤(f)所示。在本发明中,取消两个接地件之间的侧边焊接技术,改成点锡过炉制程,下面将作描述。如此,可以降低对接地件两端固定部的精准要求,避免现有技术中接地件的固定部具有初步定位及最后固定的双重作用。
第五步,组装端子模组5於外壳4内以及完成两者焊接:提供已经注塑成所需形状的外壳4,将端子模组5自后向前组装入外壳4内,如图13中步骤(g)所示。然后通过镭射焊接技术,通过外壳设置的浅孔418,将外壳的内壁面与接地件的延伸部相互焊接。
第六步,灌入防水胶:将具有防水功能的防水胶6通过外壳的一个灌胶口416注入收容腔413内。冷却后在收容腔内形成防水胶6,如图13中步骤(h)所示(h)所示。
第七步,过炉固化:将上述产品过锅炉,此时点胶第五步的预点锡一起过炉硬化。此时,因锡膏与胶水的高温反应范围并非完全相同,过炉时需要两种不同的温度环境来加热。接着,去除上排端子的第三定位料带83。
第八步,贴覆壁板7:提供特定形状的一对金属壁板71、72,在其的一个表面贴上胶膜722,使其能够初步贴在外壳的上、下表面的浅凹部402,同时也为具有良好的防水功能打下基础。然后通过激光点焊的方式,将金属壁板焊接在外壳4的上下侧,如图14所示步骤。最后将壁板7的第五定位料带85去除。如此,形成本实施例的插座连接器300。
上述制造步骤为本实施例的说明,在其他变形实施例中,并非每一步骤都需要,比如无接地件的情况下则可以去除第四步。
本实施例中,冷锻形成的金属板55采用不锈钢,且在锻造后搭配渗氮制程来提升其硬度及耐磨性。渗氮制程后金属板55将黑化。
上述实施例为本发明的较佳实施方式,而非全部的实施方式,比如本实施的电连接器为水平安装,所以对接方向为向前,本发明并不局限在该实施方式,以适用竖直安装的电连接器,此时向前方向则为竖直的插接方向。本领域普通技术人员通过阅读本发明说明书而对本发明技术方案采取的任何等效的变化,均为本发明的权利要求所涵盖。
Claims (10)
1.一种电连接器,其包括外壳、端子模组及防水胶;所述外壳由金属粉末注塑而形成,其包括基座及自基座向前延伸而形成一对接腔的侧壁,所述基座设有向前贯穿的开口及向后贯穿的收容腔;所述端子模组包括基部、自基部向前延伸的对接舌板以及若干端子,所述对接舌板具有相对的两个对接面、连接两个对接面的前端面及两个相对的侧面;所述若干端子包括排列在所述对接舌板对接面的接触部以及延伸出基部的接脚;所述端子模组的基部容纳在所述收容腔内且所述对接舌板向前穿过开口而延伸入所述对接腔;其特征在于:所述外壳的基座设有自其外表面向内延伸而连通所述收容腔的灌胶口,所述防水胶通过灌胶口进入收容腔以密封所述端子模组与外壳之间的缝隙。
2.如权利要求1所述的电连接器,其特征在于:所述基座具有相对的第一、第二表面,所述端子的接脚从第二表面延伸出,所述灌胶口位于所述第一表面且邻近两侧。
3.如权利要求2所述的电连接器,其特征在于:所述基座在所述开口处设有有开口肋环,所述对接舌板穿过所述开口,所述基部被限制在开口肋环后方;所述灌胶口分别位于开口肋环的后方。
4.如权利要求1所述的电连接器,其特征在于:所述电连接器包括接地件,所述对接舌板在其邻近基部的根部设有加厚的台阶部;所述接地件包括贴覆在所述台阶部的接地部、及自接地部延伸出而贴覆在所述基部的连接部;所述外壳的外表面分别具有镭射焊接于所述延伸部的焊接点。
5.如权利要求4所述的电连接器,其特征在于:所述接地件为结构相同的两件式结构。
6.如权利要求4所述的电连接器,其特征在于:所述接地部在其两端设置有凹陷部;所述端子中设置有接地端子,所述凹陷部焊接在所述接地端子。
7.如权利要求6所述的电连接器,其特征在于:所述接地部设有插入固定在台阶部的第一固定部,所述延伸部的两侧分别设置有插入固定在所述基部的第二固定部,所述凹陷部位于所述第一固定部的后方。
8.如权利要求1所述的电连接器,其特征在于:所述收容腔在其内侧壁设有导引槽,所述端子模组设置有横向凸伸出导引肋,所述导引槽滑入所述导引槽。
9.如权利要求8所述的电连接器,其特征在于:所述端子模组内设置有金属板,所述金属板自所述对舌板延伸至基部,所述金属板的两侧具有加厚部,所述加厚部构成对接舌板的两个相对侧边,同时加厚部的外侧面形成有锁扣缘;所述端子模组内设置有金属板,上述导引肋由所述金属板形成。
10.如权利要求2所述的电连接器,其特征在于:所述基座的第一表面设有两个所述灌胶口且分别位于相对两侧,每一所述灌胶口呈外大内小的结构。
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TW201830793A (zh) | 2018-08-16 |
CN107046206B (zh) | 2021-07-20 |
CN108448302B (zh) | 2021-09-21 |
US20180212385A1 (en) | 2018-07-26 |
CN108448302A (zh) | 2018-08-24 |
US10367320B2 (en) | 2019-07-30 |
US10276995B2 (en) | 2019-04-30 |
US20180212356A1 (en) | 2018-07-26 |
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