CN101924292A - Ferrule component and electrical connector using the component - Google Patents
Ferrule component and electrical connector using the componentDownload PDFInfo
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- CN101924292A CN101924292ACN 201010226382CN201010226382ACN101924292ACN 101924292 ACN101924292 ACN 101924292ACN 201010226382CN201010226382CN 201010226382CN 201010226382 ACN201010226382 ACN 201010226382ACN 101924292 ACN101924292 ACN 101924292A
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及电连接器。The present invention relates to electrical connectors.
背景技术Background technique
用于信号传输的电连接器中需要在安装接触件的绝缘体外部增加金属的屏蔽层，现有结构中一般采用套状的金属材质的连接器壳体直接作为屏蔽壳体，绝缘体与连接器壳体之间一般采用卡簧卡配或粘接的固定方式，其固定装配的方式较为复杂，不便于操作；对于粘接或卡装固定绝缘体的电连接器，由于绝缘体不能或难以取卸而在实施接线工作时十分麻烦；而且电连接器插头与电连接器插座是通过各自的连接器壳体以及绝缘体对插连接的，因此需要在连接器壳体以及绝缘体上设置锁紧、导向等插配结构，由于壳体与绝缘体的配合度较难掌控，会导致对插后的两连接器的壳体端面不能完全顶死而影响屏蔽效果，另外在非金属材料的绝缘体表面上设置导向键/槽是现有技术较为常见的防误差结构，受材料限制这种用于防误差的键/槽结构的使用会影响到绝缘体的整体强度。In the electrical connector used for signal transmission, it is necessary to add a metal shielding layer outside the insulator where the contact is installed. In the existing structure, a sleeve-shaped metal connector shell is generally used as the shielding shell directly. The insulator and the connector shell Generally, the fixing method of snap-fitting or bonding is adopted between the bodies, and the fixing and assembly method is relatively complicated and inconvenient to operate; for the electrical connectors that are bonded or snap-fitted to fix the insulator, because the insulator cannot or is difficult to remove and disassemble. It is very troublesome to implement the wiring work; and the electrical connector plug and the electrical connector socket are connected through their respective connector housings and insulators, so it is necessary to set locking, guiding, etc. mating on the connector housings and insulators. structure, because the degree of coordination between the shell and the insulator is difficult to control, it will cause the end faces of the shells of the two connectors after insertion to not be completely pressed, which will affect the shielding effect. It is a relatively common anti-error structure in the prior art. Due to material limitations, the use of this key/groove structure for anti-error will affect the overall strength of the insulator.
发明内容Contents of the invention
本发明的目的在于提供一种绝缘体固定方便、屏蔽效果好的用于电连接器的插芯组件，以及使用该插芯组件的电连接器。The object of the present invention is to provide a ferrule assembly for an electrical connector with convenient insulator fixing and good shielding effect, and an electrical connector using the ferrule assembly.
本发明的电连接器插芯组件的技术方案是：一种插芯组件，包括用于安装接触件的绝缘体、用于套设于所述绝缘体外周而形成屏蔽层的屏蔽套；所述绝缘体周面上凸设有呈环状分布的定位轴肩和沿轴向延伸的定位键；所述屏蔽套是内设有供所述绝缘体插配的通孔的套管，所述屏蔽套的套壁上开设有自屏蔽套前端面延伸至后端面的与所述定位键止旋插配的通缝，所述屏蔽套的通孔的孔壁上设有与所述定位轴肩互补限位卡配的、于所述通缝经过处断开的定位环槽。The technical solution of the ferrule assembly of the electrical connector of the present invention is: a ferrule assembly, including an insulator for installing contacts, a shielding sleeve for being sleeved on the outer periphery of the insulator to form a shielding layer; On the surface, there are positioning shoulders distributed in a ring shape and positioning keys extending in the axial direction; the shielding sleeve is a sleeve with a through hole for the insulator to be mated inside, and the sleeve wall of the shielding sleeve There is a through seam extending from the front end face of the shielding sleeve to the rear end face and mated with the positioning key for anti-rotation. The positioning ring groove that is broken at the place where the through seam passes.
所述绝缘体上的定位轴肩具有前、后定位端面和周面，所述定位键凸设于定位轴肩的周面及定位轴肩的后定位端面相邻的绝缘体的周面上，定位键在轴向上从定位轴肩的前定位端面延伸至绝缘体的后端面。The positioning shoulder on the insulator has front and rear positioning end faces and a peripheral surface, and the positioning key is protruded on the peripheral surface of the positioning shoulder and the peripheral surface of the insulator adjacent to the rear positioning end face of the positioning shoulder. It extends from the front positioning end surface of the positioning shaft shoulder to the rear end surface of the insulator in the axial direction.
所述屏蔽套的外表面上设有设有在所述通缝经过处断开的环形凸起。The outer surface of the shielding sleeve is provided with an annular protrusion that is broken at the passage of the through seam.
所述环形凸起对应设置于所述定位环槽的所在位置。The annular protrusion is correspondingly arranged at the position of the positioning ring groove.
本发明的电连接器的技术方案是：一种电连接器，所述电连接器前端为插接端，电连接器包括连接器壳体及其中装配的用于与适配的电连接器插接以传输信号的插芯组件，所述插芯组件包括绝缘体、套设于所述绝缘体外周的屏蔽套；所述绝缘体周面上凸设有呈环状分布的定位轴肩和沿轴向延伸的定位键；所述屏蔽套是内设有供所述绝缘体插配的通孔的套管，所述屏蔽套的套壁上开设有自屏蔽套前端面延伸至后端面的与所述定位键止旋插配的通缝，所述屏蔽套的通孔的孔壁上设有与所述定位轴肩互补限位卡配的、于所述通缝经过处断开的定位环槽。The technical solution of the electrical connector of the present invention is: an electrical connector, the front end of the electrical connector is a plug-in terminal, and the electrical connector includes a connector housing and an electrical connector assembled therein for plugging in with an adapted electrical connector. Connected to the ferrule assembly for signal transmission, the ferrule assembly includes an insulator and a shielding sleeve sleeved on the outer periphery of the insulator; the peripheral surface of the insulator is protruded with positioning shoulders distributed in a ring and extending in the axial direction The positioning key; the shielding sleeve is a sleeve with a through hole for the insulator to be mated, and the sleeve wall of the shielding sleeve is provided with a positioning key extending from the front end of the shielding sleeve to the rear end surface. The through slit for anti-rotation mating, the hole wall of the through hole of the shielding sleeve is provided with a positioning ring groove complementary to the positioning shoulder and disconnected at the passage of the through slit.
所述绝缘体上的定位轴肩具有前、后定位端面和周面，所述定位键凸设于定位轴肩的周面及定位轴肩的后定位端面相邻的绝缘体的周面上，定位键在轴向上从定位轴肩的前定位端面延伸至绝缘体的后端面。The positioning shoulder on the insulator has front and rear positioning end faces and a peripheral surface, and the positioning key is protruded on the peripheral surface of the positioning shoulder and the peripheral surface of the insulator adjacent to the rear positioning end face of the positioning shoulder. It extends from the front positioning end surface of the positioning shaft shoulder to the rear end surface of the insulator in the axial direction.
所述连接器壳体中设有装配所述插芯组件的安装通道，所述屏蔽套的通缝与对应位置的绝缘体的外周面之间围成了设置于绝缘体外周面上的、与连接器壳体的安装通道中对应凸设的定位块止旋插配的键槽，该键槽在连接器壳体中形成一个由插芯组件的前端沿直线向后延伸至所述定位块的防误差导向键槽。The connector housing is provided with an installation channel for assembling the ferrule assembly, and the through-slit of the shielding sleeve and the outer peripheral surface of the insulator at the corresponding position encloses a connector that is arranged on the outer peripheral surface of the insulator. The mounting channel of the housing corresponds to the anti-rotation mating keyway of the positioning block that is protruded. The keyway forms an error-proof guiding keyway in the connector housing that extends from the front end of the ferrule assembly to the positioning block in a straight line. .
所述连接器壳体中设有装配所述插芯组件的安装通道，安装通道的壁上设有用于与适配的电连接器插配的由前向后沿直线延伸的防误差导向键，所述屏蔽套的通缝与对应位置的绝缘体的外周面之间围成了设置于绝缘体外周面上的键槽，所述键槽止旋插配于所述防误差导向键的后段。The connector housing is provided with an installation channel for assembling the ferrule assembly, and the wall of the installation channel is provided with an anti-error guide key extending from front to back along a straight line for mating with an adapted electrical connector. A key groove provided on the outer peripheral surface of the insulator is enclosed between the through slit of the shielding sleeve and the outer peripheral surface of the insulator at the corresponding position, and the key groove is anti-rotationally mated to the rear section of the anti-error guiding key.
所述屏蔽套的外表面上设有在所述通缝经过处断开的环形凸起，所述连接器壳体中设有装配所述插芯组件的安装通道，所述环形凸起具有分别朝向前、后方的前后端面，环形凸起的前、后端面被所述安装通道的壁上设置的朝后的环形台阶面和从安装通道后端旋入的锁紧螺母轴向限位。The outer surface of the shielding sleeve is provided with an annular protrusion that is disconnected at the place where the through-slit passes, and the connector housing is provided with an installation channel for assembling the ferrule assembly. The annular protrusion has respectively Front and rear front and rear end faces, the front and rear end faces of the annular protrusion are axially limited by the rearward-facing annular step surface provided on the wall of the installation channel and the lock nut screwed in from the rear end of the installation channel.
所述环形凸起与定位环槽在屏蔽套套壁的内、外表面上对应互补。The annular protrusion and the positioning ring groove are correspondingly complementary on the inner and outer surfaces of the shielding sleeve wall.
本发明的电连接器中的插芯组件采用独特的结构设计，在其周面上凸设有定位键和定位轴肩，而屏蔽套上的与定位键和定位轴肩配合的结构分别为通缝和定位环槽，从而使绝缘体与适配套装在绝缘体外周上的屏蔽套在轴向和转动方向上被限位固定，而且屏蔽套上的通缝在起到作为与所述定位键配合的定位键槽的作用之外，由于其贯通了屏蔽套的套壁和前后端面，同时使屏蔽套的横截面呈C形而在径向上可以弹性收张，以配合所述绝缘体插入时定位轴肩的径向尺寸变化，使绝缘体的安装更加方便，可降低装配时间，提高效率。The ferrule assembly in the electrical connector of the present invention adopts a unique structural design, and a positioning key and a positioning shoulder are protruded on its peripheral surface, and the structures on the shielding sleeve that cooperate with the positioning key and the positioning shoulder are respectively through Seam and positioning ring groove, so that the insulator and the shielding sleeve fitted on the outer periphery of the insulator are limited and fixed in the axial and rotational directions, and the through seam on the shielding sleeve acts as a mechanism for matching with the positioning key. In addition to the function of the positioning keyway, because it penetrates the sleeve wall and the front and rear end faces of the shielding sleeve, the cross section of the shielding sleeve is C-shaped and can be elastically retracted in the radial direction to match the positioning of the shoulder when the insulator is inserted. The change in radial dimension makes the installation of the insulator more convenient, which can reduce the assembly time and improve the efficiency.
附图说明Description of drawings
图1是本发明电连接器插座的实施例的结构示意图；Fig. 1 is a schematic structural view of an embodiment of an electrical connector socket of the present invention;
图2是图1的右视图；Fig. 2 is the right view of Fig. 1;
图3是图1的立体图；Fig. 3 is a perspective view of Fig. 1;
图4是图1中的插芯组件的立体示意图；Fig. 4 is a schematic perspective view of the ferrule assembly in Fig. 1;
图5是图4的轴向爆炸示意图；Fig. 5 is an axial exploded schematic diagram of Fig. 4;
图6是本发明的电连接器插头的实施例的结构示意图；Fig. 6 is a schematic structural view of an embodiment of the electrical connector plug of the present invention;
图7是图6的右视图；Fig. 7 is the right view of Fig. 6;
图8是图6的立体图。FIG. 8 is a perspective view of FIG. 6 .
具体实施方式Detailed ways
本发明的电连接器的实施例，是本发明的插芯组件分别用于电连接器插座和电连接器插头的两种实施例。The embodiments of the electrical connector of the present invention are two embodiments in which the ferrule assembly of the present invention is used for an electrical connector socket and an electrical connector plug respectively.
如图1～图5所示，本发明的电连接器插座的实施例，插座30的前端为插接端，包括插座壳体31及其中装配的用于与适配的电连接器插头50（图6）插接以传输信号的插芯组件40，插座壳体31中设有用于插装所述插芯组件40的安装通道，安装通道后端通过螺纹装配有螺母35，螺母35通过插芯组件40后方的安装通道中依次插装的衬套33、压紧圈34而从后方对插芯组件40轴向限位，安装通道的壁上还设有朝后的环形台阶面32与插芯组件40止推配合而从前方对插芯组件40轴向限位。As shown in Figures 1 to 5, in the embodiment of the electrical connector socket of the present invention, the front end of the
如图4、图5所述，插芯组件40是由内部固设多个插孔接触件的圆柱形的绝缘体13及套装在绝缘体13外周的金属材质的屏蔽套14构成，插芯组件40通过其屏蔽套14固定装配在插座壳体31中。绝缘体13的接近其后端的周面上沿径向凸设有呈环状分布的定位轴肩15，定位轴肩15具有前、后定位端面和周面，定位轴肩15的前后定位端面为平面，定位轴肩15的周面是与屏蔽套14的对应位置处的内壁配合的圆周面，在定位轴肩15的周面及定位轴肩15的后定位端面相邻的绝缘体13的周面上一体凸设有定位键16，定位键16沿径向从定位轴肩15的前定位端面延伸至绝缘体13的后端面。As shown in Figure 4 and Figure 5, the
所述屏蔽套14是内设有与所述绝缘体13插配的通孔的金属套管，所述屏蔽套14的通孔的孔壁上设有与所述定位轴肩15互补卡配的定位环槽19，定位环槽19具有与所述定位轴肩15的前、后定位端面及周面限位配合的槽壁面，屏蔽套14的外周表面上于定位环槽19的所在位置对应凸设有环形凸起18，该环形凸起18具有分别朝向前、后方的前后端面，环形凸起18的前端面与所述插座壳体31的安装通道的壁上的环形台阶面32轴向止推顶配，环形凸起18的后端面与所述的衬套33的前端部331轴向止推顶配，所述衬套33后部被所述压紧圈34、锁紧螺母35向前顶紧，从而使插芯组件40被轴向定位。另外，环形凸起18与定位环槽19在屏蔽套套壁的内、外表面上对应互补，使设槽处的套壁不至于过薄以利于加工和整体强度。The
所述屏蔽套14的套壁上开设有自屏蔽套前端面沿直线延伸至后端面的与所述定位键16止旋插配的通缝17，所述定位环槽19和环形凸起18均在所述通缝17经过处断开，该通缝17在作为与所述定位键16止旋插配的定位槽之外，由于其贯通了屏蔽套14的套壁和前后端面，同时使屏蔽套14的横截面呈C形而在径向上可以弹性收张，以配合所述绝缘体13插入时定位轴肩15的径向尺寸变化。而且通缝17与对应位置绝缘体13的外周面之间围成了设置于绝缘体13外周面上的键槽20，键槽20沿前后方向从绝缘体13的前端面延伸至定位键16的前端面。键槽20与插座壳体31的安装通道中对应凸设的定位块37止旋插配，使插芯组件40在圆周方向上被止旋定位，该键槽20与所述定位块37配合，在插芯组件40从后向前插入插座壳体30的安装通道的组装过程中起到定位和导向作用，使插芯组件40中的绝缘体及其中接触件的安装位置与插座壳体的周向有唯一对应的关系，从而便于装配。并且该键槽20在插座30中形成了一个由前向后沿直线延伸的用于防止插头、插座误差的导向键槽38，在插座30与适配的插头20插接时，键槽20所形成的导向键槽38可与图6～图8中显示的插头50中对应设置的导向键55导向插配而起到防误差作用。与现有技术中的绝缘体外周上加工出的防误差用导向键槽不同，该导向键槽38由屏蔽套14配合绝缘体13形成，可降低绝缘体的加工难度和成本。The sleeve wall of the
如图6～图8所示，本发明的电连接器插头的实施例，该插头50包括用于插入上述的插座30中的插头壳体51及安装在插头壳体51中的插芯组件52，插头50中的插芯组件52的结构与插座30中的插芯组件40的结构基本相同，也是由绝缘体、屏蔽套及接触件构成，不同之处在于其中安装的是互补的插针接触件，插芯组件52在插头壳体51的对应安装通道中的装配方式与插座30中的定位装配结构基本相同，后面是通过旋装在插头壳体51中的螺母53顶紧，前面是通过插头壳体51的安装通道的壁上的朝后的台阶54止推限位；所述插头壳体51的安装通道的壁上一体凸设有用于与所述插座30中对应的导向键槽38插配的导向键55，该导向键55自插头壳体前端沿直线向后延伸，并插入插芯组件52上对应的由屏蔽套上的通缝与绝缘体配合形成的键槽中，插芯组件52上的键槽的结构与图4、图5中所显示的键槽20的结构类似，在此处不再重复描述，导向键55与插芯组件52的止旋插配，实现插芯组件在圆周方向上的定位。As shown in Figures 6 to 8, the embodiment of the electrical connector plug of the present invention, the plug 50 includes a
本发明的插芯组件的一种实施例，显示于图4、图5，由于插芯组件是电连接器的部件，在上述插头、插座的实施例中已有详细的描述，两种插芯组件均包括用于固设多个插孔接触件的圆柱形的绝缘体及套装在绝缘体外周的金属材质的屏蔽套，插芯组件通过其屏蔽套固定装配在对应的连接器壳体中，绝缘体及屏蔽套的具体结构可见于上述插头、插座的实施例，此处不再重复描述。An embodiment of the ferrule assembly of the present invention is shown in Fig. 4 and Fig. 5. Since the ferrule assembly is a part of an electrical connector, it has been described in detail in the embodiments of the above-mentioned plug and socket. Two kinds of ferrule The components include a cylindrical insulator for fixing multiple socket contacts and a metal shielding sleeve set on the outer periphery of the insulator. The ferrule assembly is fixed and assembled in the corresponding connector housing through its shielding sleeve. The insulator and The specific structure of the shielding sleeve can be seen in the embodiments of the above-mentioned plug and socket, and will not be described again here.
上述的插头、插座以及插芯组件的实施例中，插芯组件上的屏蔽套的环形凸起也可以设置在与定位环槽位置不对应的位置，同样可起到定位作用；另外屏蔽环上的环形凸起主要是起到定位装配插芯组件的作用，也可以不设置环形凸起而采用其他方式固定装配屏蔽套，如粘接、焊接或者以屏蔽套本身的前后端定位的方式来固定屏蔽套采用，或者将环形凸起替换为非环形的凸部、台阶或凹槽，同样可以实现与连接器壳体轴向限位装配的功能；上述的插头、插座的实施例中，两种插芯组件均是通过屏蔽套外周上的环形凸起与连接器壳体中的对应轴向限位结构配合而将插芯组件轴向定位在连接器中，上述实施例中的连接器壳体中的轴向限位结构采用的是台阶以及后入式的锁紧套、锁紧螺母的结构，而连接器中的轴向限位结构还可以采用其它的常用结构，如台阶、卡簧、弹性爪等其他的可以在连接器壳体中装配并与屏蔽壳体上的环形凸起、环形凹槽、台阶、卡槽等多种方式限位配合的结构。通过以上提供的改变方式而形成的技术方案或是采用了与相应技术特征等同替换的技术特征的技术方案，也属于本发明的可行的实施方式，应落入本发明专利所要求保护的范围。In the embodiments of the above-mentioned plug, socket and ferrule assembly, the annular protrusion of the shielding sleeve on the ferrule assembly can also be set at a position that does not correspond to the position of the positioning ring groove, which can also play a positioning role; The annular protrusion is mainly used for positioning and assembling the ferrule assembly, and other methods can be used to fix and assemble the shielding sleeve without the annular protrusion, such as bonding, welding or fixing by positioning the front and rear ends of the shielding sleeve itself. The shielding sleeve adopts, or replaces the annular protrusion with a non-annular protrusion, step or groove, which can also achieve the function of axially limiting assembly with the connector housing; in the above embodiments of the plug and socket, two The ferrule assembly is axially positioned in the connector through the annular protrusion on the outer circumference of the shielding sleeve and the corresponding axial stop structure in the connector housing. The connector housing in the above embodiment The axial limit structure in the connector adopts the structure of steps and rear-entry locking sleeves and lock nuts, while the axial limit structure in the connector can also adopt other common structures, such as steps, circlips, Elastic claws and other structures that can be assembled in the connector housing and cooperate with the annular protrusions, annular grooves, steps, and slots on the shielding housing in a variety of ways. The technical solution formed by the above-mentioned change method or the technical solution adopting the technical feature equivalent to the corresponding technical feature also belongs to the feasible implementation mode of the present invention, and should fall into the scope of protection claimed by the patent of the present invention.
Claims (10)
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| CN2010102263821ACN101924292B (en) | 2010-07-14 | 2010-07-14 | Insertion core assembly and electrical connector using same |
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| CN101924292B CN101924292B (en) | 2012-09-26 |
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| CN109983631B (en)* | 2016-11-17 | 2021-05-28 | 伊顿智能动力有限公司 | Encapsulation cover and in-line electrical connector assembly including package cover |
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