WO2012041089A1 - 可旋转的usb插头装置 - Google Patents
可旋转的usb插头装置 Download PDFInfo
- Publication number
- WO2012041089A1 WO2012041089A1 PCT/CN2011/076438 CN2011076438W WO2012041089A1 WO 2012041089 A1 WO2012041089 A1 WO 2012041089A1 CN 2011076438 W CN2011076438 W CN 2011076438W WO 2012041089 A1 WO2012041089 A1 WO 2012041089A1
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- WIPO (PCT)
- Prior art keywords
- joint device
- function according
- rotating
- hole
- restricting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
Definitions
- the present invention relates to a joint device having a rotary function, and more particularly to a joint device having a rotary function applied to a portable electronic device.
- Universal Serial Bus Interface Universal Serial Bus, USB electrical connector has the characteristics of fast transmission speed, convenient use, hot plugging, flexible connection, independent power supply, etc. It is widely used in the electronics industry and can be connected to mouse, keyboard, printer, scanner, camera, flash drive. Almost all external devices such as MP3, mobile phones, digital cameras, mobile hard drives, external optical floppy drives, USB network cards, etc.
- the electronic device connected to the USB electrical connector has a high usage rate.
- some small peripheral devices such as card readers, network cards or flash drives, etc., are directly attached to the device, instead of an external USB connector, which can be used if it is rotated. Convenience.
- a USB electrical connector for the above needs comprising an interface portion and a rotating device, the interface portion comprising an insulative body having a conductive terminal and an iron casing covering the outside of the insulating body.
- the rotating device includes a part of a rotating shaft received at a rear portion of the insulating body.
- the front end of the rotating shaft has a rotating limiting portion protruding forward, the region where the rotating limiting portion is located constitutes a non-rotating region, and the opposite region of the non-rotating region constitutes a free rotating region.
- the iron shell has a restricting piece opened from the position of the longitudinal center line of the top wall to the freely rotating area. The restricting piece is freely rotatable when the restricting piece is positioned above the freely rotating area, and the rotating limiter prevents the restricting piece from entering the non-rotating area.
- the restriction piece rotates in the free rotation region, and when the restriction piece is rotated to the boundary between the free rotation area and the non-rotation area, the rotation angle of the interface portion is maximized.
- the limiting piece abuts against the rotation limiting portion, and the rotation limiting portion prevents the interface portion from further rotating.
- the restricting piece is formed inwardly from the top wall of the iron shell, the material is thin, the strength tolerated is low, and when the rotational force is too large, it is easily damaged.
- a joint device having a rotary function comprising an interface portion and a rotating mechanism, the interface portion comprising an insulative housing having a plurality of conductive terminals, the insulative housing comprising a mounting groove.
- the rotating mechanism includes a rotating shaft mounted to the mounting groove and a restricting member for restricting the rotation angle of the interface portion; one end of the rotating shaft is provided with a rotation limiting portion, and the region where the rotation limiting portion is located constitutes a non-rotating region, and The opposite regions of the non-rotating zone constitute a freely rotating zone.
- a limiting member mounting hole is defined in the insulating body, and the limiting member protrudes into the free rotation region via the limiting member mounting hole.
- the joint device having the rotary function of the present invention limits the rotatable angle of the interface portion by inserting a restricting member outside the restricting member mounting hole.
- the above-mentioned restricting member is an externally inserted component, and is not formed by the top wall of the iron shell. Therefore, the thickness can be set to a thickness capable of withstanding a large rotational force, and it is not easily damaged by the blocking of the rotation restricting portion.
- Figure 1 is a perspective view of a joint device having a rotating function of the present invention.
- Figure 2 is a schematic view of the joint device with a rotating function shown in Figure 1 with the protective cover removed from the interface portion.
- Figure 3 is a schematic view of the joint device with a rotating function shown in Figure 2 with the protective cover and the iron casing removed from the interface portion.
- FIG. 4 is a perspective enlarged view of the insulative housing of the joint device having the rotating function shown in FIG. 3.
- Figure 5 is a cross-sectional view of the insulating body of the joint device having the rotating function shown in Figure 3 taken along line A-A.
- Fig. 6 is a schematic view showing the cooperation of the machine member, the rotating shaft, the restricting member and the elastic member of the joint device having the rotating function shown in Fig. 3.
- Fig. 7 is an enlarged perspective view showing a rotating portion of the joint device having a rotating function shown in Fig. 6.
- Figure 8 is an exploded enlarged view of the elastic member of the joint device having the rotating function shown in Figure 6.
- Fig. 9 is a perspective enlarged view of the fastener device of the joint device having the rotation function shown in Fig. 6.
- Figure 10 is a perspective enlarged view of the metal elastic member and the rubber ring of the joint device having the rotary function shown in Figure 6.
- the present invention provides a joint device 1 having a rotating function, comprising an interface portion 10 and a rotating mechanism 11, wherein the interface portion 10 includes an insulative housing 2 and one mounted in the insulative housing 2.
- the rotating mechanism 11 includes a machine member 6 for providing a cable passage, a rotating portion 8 connected to the machine member 6 by a screw, and a pair of elastic members 7 mounted on the rear portion of the insulating body 2 to rotate with the rotating portion 8.
- a reinforcing member 5 for reinforcing the bonding force between the rotating portion 8 and the insulative housing 2 and a limiting member 9 housed in the insulative housing 2 for restricting the rotation angle of the rotating portion 8.
- the insulative housing 2 is generally a rectangular thin plate including a mating tongue plate 21 at the front and a fitting portion 22 at the rear portion and connected to the abutting tongue plate 21, the fitting portion 22 and the butt tongue
- the bottom surface 211 of the plate 21 is flush, and the top surface 220 of the fitting portion 22 is higher than the top surface 210 of the abutting tongue plate 21 so that both are stepped.
- the fitting portion 22 includes a housing groove 23 for wiring, a fitting groove 20 for mounting the rotating portion 8, a pair of elastic member mounting holes 27 for mounting the elastic member 7, and a restriction member for mounting the restriction member 9. Mounting holes 29.
- the receiving groove 23 is recessed downward from the top surface 220 of the fitting portion 22.
- the mounting groove 20 is opened forward from a central position of the rear surface 24 of the insulative housing 2, at least partially penetrates to the top surface 220 of the mounting portion 22, and communicates with the receiving groove 23, and includes a front end mounting groove 201 and a rear end assembly.
- the groove 203 and a fixing fitting groove 202 between the front end fitting groove 201 and the rear end fitting groove 203, the fixing fitting groove 202 is recessed to both sides with respect to the front end fitting groove 201 and the rear end fitting groove 203.
- the limiting member mounting hole 29 is a T-shaped opening that is opened inward from a side surface 223 of the mounting portion 22, and includes a shallower positioning hole 290 and a deeper depth limiting hole 291. The positioning hole 290 passes through the limiting hole 291.
- the elastic member mounting holes 27 are symmetrically opened inward from the two side faces 223 of the mounting portion 22, and each of the elastic member mounting holes 27 has a small diameter sliding matching hole 271 and a cylindrical receiving hole having a diameter larger than the sliding matching hole 271.
- the 272 is composed of two parts, and the sliding fitting hole 271 is in communication with the rear end fitting groove 203.
- the elastic member 7 is composed of a hollow sleeve 71, a spring 72 and a metal ball 73, and is mounted in the elastic member mounting hole 27 of the insulating body 2.
- the sleeve 71 includes a sliding engagement portion 710 in the sliding engagement hole 271 and a locking portion 712 in the cylindrical receiving hole 272.
- the diameter of the locking portion 712 is larger than the diameter of the sliding engagement portion 710 and is also larger than the diameter of the sliding engagement hole 271.
- the locking portion 712 and the sliding engagement portion 710 are penetrated by a concentric cylindrical through hole 713, and the inner diameter of the end of the sliding engagement portion 710
- the circular opening 711 is formed to be smaller, the diameter of the columnar through hole 713 is slightly larger than the diameter of the metal ball 73, and the diameter of the circular opening 711 is smaller than the diameter of the columnar through hole 713 and the metal ball 73.
- the metal ball 73 and the spring 72 are sequentially loaded into the sleeve 71 from the locking portion 712, and a part of the metal ball 73 is exposed outside the sleeve 71, and the spring 72 elastically presses the metal ball 73.
- the rotating portion 8 includes a connecting portion 81 for connecting to the machine member 6, and a rotating shaft 82 connected to the connecting portion 81.
- the connecting portion 81 has a pair of screw holes 811, and the machine member 6 has another pair of screw holes corresponding to the screw holes 811, and the connecting portion 81 is connected to the machine member 6 by screws.
- the rotating shaft 82 is located in the mounting groove 20 and includes a cable passage 810 extending from the front to the rear, a front end portion 821, a rear end portion 83 provided with a circle of the recess 830, and a fixing of the connecting front end portion 821 and the rear end portion 83. Part 822.
- the stable connection of the rotating shaft 82 and the fitting groove 20 is realized by the fixing portion 822, which is necked with respect to the front end portion 821 and the rear end portion 83, and has a diameter smaller than a maximum diameter of the rear end portion 83 and a maximum diameter of the front end portion 821;
- the connection between the surface of the recess 830 of the rotation fitting portion 33 and the pit 830 is a smooth curve.
- the front end portion 821 is provided with a blocking portion 826 and a rotation limiting portion 823 extending forward from the blocking portion 826.
- the rotation limiting portion 823 covers a half of the front end portion 821 to form a non-rotating portion 824, and
- the opposite regions of the non-rotating region 824 constitute a freely rotating region 827.
- the restricting member 9 is a T-shaped structure corresponding to the restricting member mounting hole 29, and includes a positioning portion 90 fixed in the positioning hole 290 and a restricting portion 91. A part of the restricting portion 91 is fixed to the limiting hole. In the other hand, the other portion extends through the restricting hole 291 into the free rotation portion 827 of the rotation restricting portion 823 in the front end fitting groove 201, and points to the center of the rotation restricting portion 823, and restricts the rotatable angle of the interface portion 10 to 180 degrees.
- the shape of the positioning portion 90 and the restricting portion 91 may be a rectangular parallelepiped shape or a cylindrical shape.
- the restricting member 9 When the interface portion 10 is rotated relative to the rotating mechanism 11, the restricting member 9 is also rotated with respect to the rotation restricting portion 823 in the free rotation portion 827, and the restricting member 9 is rotated by the limit at the boundary between the freely rotating portion 827 and the non-rotating portion 824. Portion 823 blocks and cannot enter non-rotating zone 825. Therefore, in use, the maximum angle of rotation of the rotating shaft 62 is 180°, so that the number of windings of the cable in the insulating body 2 is effectively prevented, which affects the performance of the connector.
- the reinforcing member 5 includes a fastener 50 inserted outside the fixing portion 822 , a rubber ring 54 disposed on the fixing portion 822 , and between the two.
- the fastener 50 is a thin metal plate having a circular arc-shaped socket 53.
- the inner diameter of the circular arc-shaped socket 53 is substantially equal to the outer diameter of the fixed portion 822, and the arc angle is greater than 180 degrees and less than 300 degrees.
- the fastener 50 is inserted from the top to the bottom on the outer side of the fixing portion 822, and fixes the left and right sides and the upper side of the fixing portion 822 so that the fixing portion cannot move in the horizontal direction X, the axial direction Y, and the vertical direction Z.
- Each of the elastic rings 55 includes first and second grooves 553 and 554 respectively on the front and back sides.
- the first and second grooves 553 and 554 are spaced apart along the circumference of the ring, and the first groove of the elastic ring 55 is disposed. 513 is engaged with the second groove 554 of the other elastic ring.
- the rubber ring 54 and the elastic ring 55 can more securely fix the fastener 50 to the fixed fitting groove 202, thereby firmly fixing the rotating portion 8.
- the socket 53 may also be rectangular.
- the length in the vertical direction Z is greater than or equal to half of the outer diameter of the fixing portion 822 and less than or equal to the outer diameter of the fixing portion 822.
- the length of the direction X is substantially equal to the outer diameter of the fixing portion 822 .
- the iron shell 4 is set on the outside of the insulative housing 2, and has a flat rectangular tubular structure.
- the iron shell 4 includes a top wall 40 and a bottom wall 44 disposed in parallel with the top wall 40.
- An opening 45 is formed on the top wall 40 at a position opposite to the fixed fitting groove 202 and the rear mounting groove 203 of the insulative housing 2, and is substantially rectangular.
- the assembly sequence of the joint device 1 having a rotating function is: a) the metal ball 73 and the spring 72 are sequentially loaded into the sleeve 71, and the elastic member 7 is fitted into the elastic member mounting hole 27 of the insulating body 2; b) The restricting member 9 is inserted into the restricting member mounting hole 29; c) the iron shell 4 is sleeved outside the insulating body 2; d) the rotating portion 8 and the main body portion 60 are fixed by screws; e) the rubber ring 54 is sleeved from the front end to the rotating shaft 82
- the fixing portion 822, the elastic ring 55 of the buckle is sleeved to the fixing portion 822, the fastener 50 is inserted into the fixing portion 822, and the rotating shaft 82 of the rotating portion 8 is inserted into the insulating body 2 from the opening 45 of the iron shell 4, that is, the rotating shaft 82 is inserted into the mounting groove 20, the rubber ring 54, the elastic ring 55 and the fasten
- the interface portion 10 is rotatable relative to the rotating mechanism 11
- the elastic member 7 and the recess 830 of the rear end portion 63 of the rotating shaft 82 are relatively rotated, and the elastic member 7 is rotated from the position of the pair of the concave holes 830 to the other.
- the restricting member 9 is rotated relative to the rotation restricting portion 823.
- the rotation angle of the interface portion 10 reaches 180 degrees, the restriction member 9 contacts the rotation limit portion 823, and the rotation limit portion 823 blocks the interface portion 10. Further rotation; continuous rotation, you can hear the "beep" sound.
- the joint device having the rotary function of the present invention inserts a restricting member 9 via the restricting member mounting hole 29, and blocks the rotation of the restricting member 9 by the rotation restricting portion 823, thereby restricting the rotatable angle of the interface portion 10.
- the limiting member 9 is an externally inserted component, and is not formed by the top wall of the iron shell. Therefore, the thickness can be set to a thickness capable of withstanding a large rotational force, and is not easily damaged by the blocking of the rotation limiting portion 823. .
- the restricting member 9 may be fixed by means other than fixing the fixing member mounting hole 29: a fixing mechanism for positioning the positioning portion 90 of the holding restricting member 9 on the iron shell 4
- the area of the front end portion 821 covered by the rotation limiting portion 823 is not limited to one-half, and may be set to one-third, two-thirds, etc. according to requirements, and the corresponding rotatable angle is 240 degrees, 120 Degrees, etc.
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- Connector Housings Or Holding Contact Members (AREA)
Description
本发明涉及一种具有旋转功能的接头装置，尤其是关于一种应用于可携式电子装置的具有旋转功能的接头装置。
通用串行总线接口（Universal Serial Bus,
USB）电连接器具有传输速度快，使用方便，支持热插拔，连接灵活，独立供电等特点，被广泛地应用于电子行业中，可以连接鼠标、键盘、打印机、扫描仪、摄像头、闪存盘、MP3、手机、数码相机、移动硬盘、外置光软驱、USB网卡等等几乎所有的外置设备。
故，与USB电连接器相连的电子装置，具有很高的使用率。现在世面上一些小型的周边设备，如读卡机、网络卡或随身碟等等，其USB接头均直接附属在设备上，而非外接USB接头，其若加上转动的功能，便能增加使用的便利性。
一种针对上述需求的USB电连接器，其包括一接口部分及一转动装置，所述接口部分包括一装有导电端子的绝缘本体和一罩于绝缘本体外的铁壳。所述转动装置包括一部分收容于绝缘本体后部的转轴。所述转轴的前端具有一向前凸伸的转动限位部，转动限位部所在区域构成一非转动区，与非转动区的相对的区域构成一自由转动区。所述铁壳具有一自顶壁纵向中心线的位置向上述自由转动区开设的限制片。限制片位于自由转动区的上方时限制片可自由转动，转动限位部阻止限制片进入非转动区。
上述USB电连接器的接口部分相对于旋转机构旋转时，限制片在上述自由转动区内转动，当限制片旋转到自由转动区与非转动区的交界处时，接口部分的旋转角度达到最大，限制件片抵触转动限位部，转动限位部阻止接口部分进一步转动。然而，由于限制片是由铁壳的顶壁向内开设形成的，材质较薄，承受的强度较低，旋转力过大时，容易损坏。
鉴于此，需针对上述具有旋转功能的接头装置做出改进。
本发明为了解决现有技术中具有旋转功能的接头装置的限制片容易损坏的技术问题，有必要提供一种不易损坏的具有旋转功能的接头装置。
一种具有旋转功能的接头装置，其包括一接口部分和一旋转机构，所述接口部分包括一装有多个导电端子的绝缘本体，绝缘本体包括一装配槽。所述旋转机构包括一装至装配槽的转轴和一限制接口部分的可转动角度的限制件；所述转轴的一端设有一转动限位部，转动限位部所在区域构成一非转动区，与非转动区的相对的区域构成一自由转动区。所述绝缘本体上开设有一限制件安装孔，所述限制件经由限制件安装孔伸入自由转动区内。
与现有技术相比，本发明具有旋转功能的接头装置经由限制件安装孔外插入一限制件而限制接口部分的可转动角度。上述限制件为外插的一元件，并非利用铁壳顶壁开设形成，因此可将厚度设定为能够承受较大的旋转力的厚度，不易因转动限位部的阻挡而导致损坏。
图1是本发明具有旋转功能的接头装置的立体图。
图2是图1所示具有旋转功能的接头装置拿掉接口部分上的保护罩的示意图。
图3是图2所示具有旋转功能的接头装置拿掉接口部分上的保护罩和铁壳的示意图。
图4是图3所示具有旋转功能的接头装置绝缘本体的立体放大图。
图5是图3所示具有旋转功能的接头装置绝缘本体沿A-A线的剖视图。
图6是图3所示具有旋转功能的接头装置的机构件、转轴与限制件、弹性件的配合示意图。
图7是图6所示具有旋转功能的接头装置的转动部的立体放大图。
图8是图6所示具有旋转功能的接头装置弹性件的分解放大图。
图9是图6所示具有旋转功能的接头装置卡固件的立体放大图。
图10是图6所示具有旋转功能的接头装置金属弹性件和橡胶圈的立体放大图。
请参阅图1至图10，本发明提供一种具有旋转功能的接头装置1，包括一接口部分10和一旋转机构11，其中接口部分10包括一绝缘本体2、装于绝缘本体2中的一组导电端子3、罩于绝缘本体2外的一铁壳4以及一套设于铁壳4外的保护罩12。旋转机构11包括一用于提供线缆通道的机构件6、通过螺钉与机构件6连接的一转动部8、装于绝缘本体2的后部与转动部8配合转动的一对弹性件7、加强转动部8和绝缘本体2之间结合力的一加强件5以及收容在绝缘本体2内限制转动部8转动角度的一限制件9。
请参阅图2至5，绝缘本体2大体为长方形的薄板，其包括一位于前部的对接舌板21和一位于后部并与对接舌板21相连的装配部22，装配部22与对接舌板21的底面211平齐，装配部22的顶面220高于对接舌板21的顶面210从而二者呈台阶状。装配部22包括用于布线的一收纳槽23、用于安装转动部8的一装配槽20、用于安装弹性件7的一对弹性件安装孔27以及用于安装限制件9的一限制件安装孔29。所述收纳槽23自装配部22的顶面220向下凹设。
装配槽20自绝缘本体2的后表面24的中央位置处向前开设，至少一部分贯穿至装配部22的顶面220，并与收纳槽23相连通，包括一前端装配槽201、一后端装配槽203以及位于前端装配槽201和后端装配槽203之间的一固定装配槽202，固定装配槽202相对于前端装配槽201和后端装配槽203向两侧凹陷。所述限制件安装孔29为自装配部22的一侧面223向内开设的T形孔，包括一深度较浅的定位孔290和一深度较深的限制孔291，定位孔290通过限制孔291与前端装配槽201连通。所述弹性件安装孔27自装配部22的两侧面223对称向内开设，每一弹性件安装孔27由一直径较小的滑动配合孔271和一直径大于滑动配合孔271的柱形收容孔272两部分组成，滑动配合孔271与后端装配槽203连通。
请参阅图6和图8，弹性件7由一中空的套管71、一弹簧72和一金属球73组成，装于绝缘本体2的弹性件安装孔27中。其中套管71包括位于滑动配合孔271中的一滑动配合部710和位于柱形收容孔272中的一卡止部712。卡止部712的直径大于滑动配合部710的直径，同时亦大于滑动配合孔271的直径，卡止部712和滑动配合部710被一同心的柱状通孔713贯穿，滑动配合部710的末端内径缩小形成一圆形开口711，柱状通孔713的直径略大于金属球73的直径，圆形开口711的直径小于柱状通孔713以及金属球73的直径。金属球73和弹簧72依次从卡止部712装入套管71中，部分金属球73露出套管71外，弹簧72弹性抵压金属球73。
请参阅图7，转动部8包括一用于与机构件6连接的连接部81和一连接于连接部81的转轴82。连接部81具有一对螺孔811，机构件6具有与螺孔811相对应的另一对螺孔，连接部81通过螺钉与机构件6连接。转轴82位于装配槽20中，包括一自前向后贯穿的线缆通道810、一前端部821、一设有一圈凹坑830的后端部83以及一连接前端部821和后端部83的固定部822。其中，转轴82和装配槽20的稳定连接是通过固定部822实现的，其相对于前端部821和后端部83颈缩，直径小于后端部83的最大直径和前端部821的最大直径；转动配合部33的凹坑830的表面及凹坑830间的连接均为圆滑的曲线。前端部821上设有一阻挡部826和一自阻挡部826向前延伸的转动限位部823，转动限位部823覆盖了前端部821二分之一的区域构成了一非转动区824，与非转动区824的相对的区域构成一自由转动区827。
请参阅图6，限制件9为与限制件安装孔29相对应的T形结构，包括一固定于定位孔290中的定位部90和一限制部91，上述限制部91的一部分固定于限制孔291中，另一部分经由限制孔291伸入前端装配槽201中转动限位部823的自由转动区827，指向转动限位部823的中心，限制接口部分10的可转动角度为180度。定位部90和限制部91的形状可以是长方体状，也可以是圆柱体状。当接口部分10相对于旋转机构11旋转时，限制件9也相对于转动限位部823在自由转动区827转动，限制件9在自由转动区827和非转动区824的交界处被转动限位部823阻挡，不能进入非转动区825。因此，使用时，转轴62旋转的最大角度为180°，这样一来可有效防止线缆在绝缘本体2内缠绕圈数过多，影响连接器的使用性能。
请参图2至图6、图8至图9所示，加强件5包括一插设于固定部822外侧的卡固件50、一套设于固定部822的橡胶圈54和位于二者之间的两个对扣的弹性环55。卡固件50为一金属薄板，具有一圆弧形插口53，圆弧形插口53的内径基本等于固定部822的外径，圆弧角度大于180度且小于300度。卡固件50从上向下插在固定部822的外侧上，固定固定部822的左、右两侧和上侧，使得固定部在水平方向X、轴线方向Y以及竖直方向Z上都不能移动。每个弹性环55包括分别位于正反两面的第一、第二凹槽553、554，第一、第二凹槽553、554沿圆环周长间隔设置，一弹性环55的第一凹槽513对应另一弹性环的第二凹槽554扣合。橡胶圈54和弹性环55可以更加牢固的使卡固件50固定在固定装配槽202，从而牢固的固定转动部8。实际应用中，所述插口53可也可以是长方形的，此时，其沿竖直方向Z的长度大于或等于固定部822的外径的一半且小于或等于固定部822的外径，沿水平方向X的长度基本等于固定部822的外径
。
请参阅图2，铁壳4套装于绝缘本体2的外部，为扁平的长方体筒状结构。铁壳4包括一顶壁40、一与顶壁40平行设置的底壁44。在顶壁40上与绝缘本体2的固定装配槽202和后端装配槽203相对的位置处设有一开口45，大致为一长方形。
具有旋转功能的接头装置1的组装顺序为：a）将金属球73、弹簧72顺序装入套管71中，将弹性件7的装入绝缘本体2的弹性件安装孔27中；b）将限制件9插入限制件安装孔29内；c）将铁壳4套于绝缘本体2外；d）用螺钉将转动部8和主体部60固定；e）将橡胶圈54从前端套至转轴82的固定部822，将对扣的弹性环55套至固定部822，将卡固件50插在固定部822，将转动部8的转轴82从铁壳4的开口45插入绝缘本体2中，即转轴82插入装配槽20中，橡胶圈54、弹性环55和卡固件50装入绝缘本体2的固定装配槽202；f）将保护罩12套在装配槽20对应的部分铁壳4外，将转轴82封闭起来。
使用过程中，接口部分10可相对于旋转机构11转动时，弹性件7和转轴82后端部63的凹坑830发生相对旋转，弹性件7由一对凹坑830的位置处转动到另一对凹坑830位置处，同时限制件9相对于转动限位部823旋转。当限制件9旋转到自由转动区827与非转动区824的交界处时，接口部分10的旋转角度达到180度，限制件9接触转动限位部823，转动限位部823阻止接口部分10的进一步转动；连续转动，可听到“啪啪”声。
与现有技术相比，本发明具有旋转功能的接头装置经由限制件安装孔29外插入一限制件9，利用转动限位部823阻挡限制件9的转动，从而限制接口部分10的可转动角度。上述限制件9为外插的一元件，并非利用铁壳顶壁开设形成，因此可将厚度设定为能够承受较大的旋转力的厚度，，不易因转动限位部823的阻挡而导致损坏。
本发明应当不限于上述实施例所述，如：限制件9也可以利用除限制件安装孔29固定以外的方式固定：在铁壳4上设置一夹持限制件9的定位部90的固定机构；转动限位部823所覆盖的前端部821区域并不限于二分之一，也可以根据需求设定为三分之一、三分之二等，对应的可转动角度的为240度，120度等。
Claims (23)
- 一种具有旋转功能的接头装置，其包括一接口部分和一旋转机构，所述接口部分包括一装有多个导电端子的绝缘本体，绝缘本体包括一装配槽，所述旋转机构包括一装至装配槽的转轴和一限制接口部分的可转动角度的限制件；所述转轴的一端设有一转动限位部，转动限位部所在区域构成一非转动区，与非转动区的相对的区域构成一自由转动区，特征在于：所述绝缘本体上开设有一限制件安装孔，所述限制件经由限制件安装孔伸入自由转动区内。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于：所述限制件安装孔开设在所述绝缘本体的一侧面上。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于：所述限制件指向转动限位部的中心。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于：所述限制件安装孔包括一定位孔和一限制孔，所述限制件包括一固定于定位孔中的定位部和一限制部，上述限制部的一部分固定于限制孔中，另一部分伸入自由转动区。
- 如权利要求4所述的具有旋转功能的接头装置，其特征在于：所述限制件为T形，所述限制件安装孔为与所述限制件相对应的T形孔。
- 如权利要求4所述的具有旋转功能的接头装置，其特征在于：所述定位部和所述限制部均为长方体。
- 如权利要求4所述的具有旋转功能的接头装置，其特征在于：所述定位部和所述限制部均为圆柱体。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于：所述接口部分的可转动角度为180度。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于：所述转轴包括一前端部、一后端部和一位于二者之间且相对于二者颈缩的固定部，所述前端部包括一邻接固定部的阻挡部以及自阻挡部凸伸的所述转动限位部。
- 如权利要求9所述的具有旋转功能的接头装置，其特征在于，所述转动限位部覆盖所述前端部二分之一、三分之一、或三分之二的区域以构成所述非转动区。
- 如权利要求9所述的具有旋转功能的接头装置，其特征在于，包括加强所述旋转机构和所述绝缘本体之间的结合力的加强件。
- 如权利要求11所述的具有旋转功能的接头装置，其特征在于，所述加强件包括一插设于所述固定部外侧的卡固件、一套设于所述固定部的橡胶圈和位于二者之间的两个对扣的弹性环。
- 如权利要求12所述的具有旋转功能的接头装置，其特征在于，所述卡固件为一金属薄板，具有一圆弧形插口，所述圆弧形插口的内径基本等于所述固定部的外径，圆弧角度大于180度且小于300度，所述卡固件从上向下插在所述固定部的外侧上，固定所述固定部的左、右两侧和上侧，使得固定部在水平方向X、轴线方向Y以及竖直方向Z上都不能移动。
- 如权利要求12所述的具有旋转功能的接头装置，其特征在于，所述卡固件为一金属薄板，具有一长方形插口，其沿竖直方向Z的长度大于或等于所述固定部的外径的一半且小于或等于所述固定部的外径，沿水平方向X的长度基本等于所述固定部的外径。
- 如权利要求12所述的具有旋转功能的接头装置，其特征在于，每个所述弹性环包括分别位于正反两面的第一、第二凹槽，所述第一、第二凹槽沿圆环周长间隔设置，一弹性环的第一凹槽对应另一弹性环的第二凹槽扣合。
- 如权利要求1所述的具有旋转功能的接头装置，其特征在于，所述绝缘本体为长方形薄板，其包括一位于前部的对接舌板和一位于后部并与所述对接舌板相连的装配部，所述装配部与所述对接舌板的底面平齐，所述装配部的顶面高于所述对接舌板的顶面，从而二者呈台阶状；所述装配部包括所述装配槽、所述限制件安装孔、以及用于布线的一收纳槽、用于安装弹性件的一对弹性件安装孔。
- 如权利要求16所述的具有旋转功能的接头装置，其特征在于，所述收纳槽自所述装配部的顶面向下凹设。
- 如权利要求16所述的具有旋转功能的接头装置，其特征在于，所述装配槽自所述绝缘本体的后表面的中央位置处向前开设，至少一部分贯穿至所述装配部的顶面，并与所述收纳槽相连通，包括一前端装配槽、一后端装配槽以及位于前端装配槽和后端装配槽之间的一固定装配槽，所述固定装配槽相对于所述前端装配槽和所述后端装配槽向两侧凹陷。
- 如权利要求18所述的具有旋转功能的接头装置，其特征在于，所述弹性件安装孔自所述装配部的两侧面对称向内开设，每一弹性件安装孔由一直径较小的滑动配合孔和一直径大于滑动配合孔的柱形收容孔两部分组成，所述滑动配合孔与所述后端装配槽连通。
- 如权利要求19所述的具有旋转功能的接头装置，其特征在于，包括装于所述绝缘本体后部与所述旋转机构配合转动的一对弹性件，所述弹性件由一中空的套管、一弹簧和一金属球组成，装于所述弹性件安装孔中。
- 如权利要求20所述的具有旋转功能的接头装置，其特征在于，所述套管包括位于所述滑动配合孔中的一滑动配合部和位于所述柱形收容孔中的一卡止部，所述卡止部的直径大于所述滑动配合部的直径，同时亦大于所述滑动配合孔的直径，所述卡止部和所述滑动配合部被一同心的柱状通孔贯穿，所述滑动配合部的末端内径缩小形成一圆形开口，所述柱状通孔的直径略大于所述金属球的直径，所述圆形开口的直径小于所述柱状通孔以及所述金属球的直径。
- 如权利要求21所述的具有旋转功能的接头装置，其特征在于，所述金属球和所述弹簧依次从所述卡止部装入所述套管中，部分所述金属球露出所述套管外，所述弹簧弹性抵压所述金属球。
- 如权利要求1-22任一所述的具有旋转功能的接头装置，其特征在于，所述限制件为经由所述限制件安装孔外插的一元件。
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| US20050181634A1 (en) * | 2004-02-12 | 2005-08-18 | International Business Machines Corp. | Personal device embedded synch connector |
| CN101359802A (zh) * | 2007-08-02 | 2009-02-04 | 广明光电股份有限公司 | 通用串行总线连接器 |
| CN101609953A (zh) * | 2009-07-08 | 2009-12-23 | 深圳市德仓科技有限公司 | 具有旋转功能的usb接头 |
| CN201562865U (zh) * | 2009-09-29 | 2010-08-25 | 协讯电子（吉安）有限公司 | 一种具有180°旋转功能的转接端口 |
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| US20040229478A1 (en) * | 2003-05-13 | 2004-11-18 | Chen Chao Ming | Rotatory wireless USB network interface card |
| US20050181634A1 (en) * | 2004-02-12 | 2005-08-18 | International Business Machines Corp. | Personal device embedded synch connector |
| CN101359802A (zh) * | 2007-08-02 | 2009-02-04 | 广明光电股份有限公司 | 通用串行总线连接器 |
| CN101609953A (zh) * | 2009-07-08 | 2009-12-23 | 深圳市德仓科技有限公司 | 具有旋转功能的usb接头 |
| CN201562865U (zh) * | 2009-09-29 | 2010-08-25 | 协讯电子（吉安）有限公司 | 一种具有180°旋转功能的转接端口 |
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| CN110518405A (zh) * | 2019-09-26 | 2019-11-29 | 合肥英睿系统技术有限公司 | 电子设备及其usb组合装置 |
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