USB (Universal Serial Bus, USB) is an external bus standard, is used for connection and communication between the various electronic equipments of standard.
The initial USB1.0 standard of releasing, electronic equipment must be connected to PC by USB, and carries out exchanges data under the control of PC, in case left PC, then can't carry out communication between each electronic equipment.The standards such as the USB2.0 that releases subsequently and USB OTG (On-The-Go), not only on transmission bandwidth, significantly promote, more make the USB device break away from the restriction of original client/server, need not PC as intermediary, realized end-to-end transmission mode, so that the application of USB has also obtained very big expansion, from the PC peripheral hardware, such as mouse, keyboard etc., consumer-elcetronics devices and communication electronic equipment field have been crossed, such as PDA, digital camera, mobile phone etc.And along with the release of USB3.0 standard, especially transmission rate is promoted to 5Gb/s, realized the Fast synchronization instantaneous transmission.
Yet, development along with the USB technology, also there is certain otherness in the USB interface structure that develops under different USB standards, various electronic equipments also can adopt different standard interfaces in view of the requirement of self transmission speed, the restriction of volume, thereby so that different equipment need to be equipped with different usb data lines, the inconvenience that not only causes the user to use is especially to the waste of resource.
The utility model content
In view of this, provide a kind of USB interface structure that can be applicable to multiple distinct interface.
A kind of USB interface structure, comprise that public mouthful of mini reaches auxiliary public mouthful that removably is connected on the public mouth of described mini, the public mouth of described mini reaches on auxiliary public mouthful and is equipped with some pins, described auxiliary public mouth consists of the public mouth of standard when being connected with the public mouth of mini, one of them is provided with projection suffered mini public affairs mouth and auxiliary public mouth, wherein another is provided with the bayonet socket of accommodating described projection, and described projection removably is connected in the described bayonet socket.
Further, described projection is located on the public mouth of mini, and described bayonet socket is located on auxiliary public mouthful.
Further, described auxiliary public mouth has extended to form the convex edge towards the public mouthful direction of mini, and described card port shape is formed on the convex edge.
Further, the public mouthful indent of described mini forms step, and described projection is formed on the step, and described convex edge placed on the step when described auxiliary public mouth was connected with the public mouth of mini.
Further, described convex edge is formed at auxiliary public mouthful upper and lower both sides, and the public mouth of described mini is inserted between the convex edge.
Further, described projection is located on auxiliary public mouthful, and described bayonet socket is located on the public mouth of mini.
Further, the public mouth of described mini is public mouthful of USB 2.0 substandard Micro mini 5pin.
The public mouth of standard that consists of when further, described auxiliary public mouth is connected with the public mouth of mini is the Micro standard interface under the USB3.0 standard.
Compared with prior art, the present invention is by the public mouth of Micro mini and fractionation and the combination of assisting public mouthful, form the interface of different size, thereby it can connect the electronic equipment with different size interface, thereby need not to be equipped with many data lines for different electronic equipments, also need not to change data wire even if change in use electronic equipment, easy to use, economic environmental protection.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Figure 1 shows that the data wire that adopts USB interface structure 100 of the present invention, the two ends of data wire connect respectively two kinds of electronic equipments, thereby realize communication and transfer of data between the electronic equipment.In the present embodiment, an end of data wire is that USB interface structure 100 of the present invention, the other end are public mouthful 200 of standard USB, is mainly used in being connected and communicating by letter of computer and electronic equipment.During use, described standard USB can be inserted into for male mouthful 200 in corresponding female mouth of computer, and 100 on USB interface structure of the present invention and electronic equipment are such as connections such as hard disk, mobile phone, MP3, PDA, digital cameras.Usually, these electronic equipments have the interface of different size because the requirement of its transmission speed and the restriction of volume, and some then often adopt Micro standard interface under the USB3.0 standard to the higher equipment of transmission rate request, and its volume is relatively large; And picture cell phone type electronic equipment because its volume is limited, then generally adopts the Micro mini interface under the USB2.0 standard of volume less.USB interface structure 100 of the present invention namely can be used for and being connected of Micro mini interface, and can also be connected with the Micro standard interface.In fact, the two ends of data wire all can be set to USB interface structure 100 of the present invention, thereby realize direct communication and transfer of data between the electronic equipment.
Below do to the concrete structure of USB interface structure 100 of the present invention and with the connected mode of Micro mini interface, Micro standard interface and to specify.
See also Fig. 4, in the present embodiment, described USB interface structure 100 comprises that Micro mini reaches auxiliary public mouthful 20 that cooperates with it for public mouthful 10.Wherein Micro mini is becoming step 30 towards the upper and lower end face concave shaped of assisting a side of public mouthful 20 for public mouthful 10, on described step 30, outwards be convexly equipped with and be formed with projection 32, in the present embodiment, form respectively two projections 32 on the step 30 of the upper and lower both sides that Micro mini is public mouthful 10.Described auxiliary public mouth 20 stretches out respectively at its upper/lower terminal towards a side of the public mouth 10 of Micro mini and forms convex edge 40, the degree of depth of public mouthful of 10 steps, 30 position indents of the thickness of described convex edge 40 and Micro mini is suitable, form accommodation space 44 between two convex edges 40, the thickness of public mouthful of 10 steps, 30 positions of the height of described accommodation space 44 and Micro mini is suitable.On described convex edge 40, be formed with the hole clipping 42 corresponding to the projection 32 of the public mouth 10 of Micro mini, in the present embodiment, the quantity of the hole clipping 42 on each convex edge 40 is two.Described hole clipping 42 is the public mouth 10 of Micro mini to be connected as one with auxiliary public mouthful 20 from what for fastening with projection 32, and its quantity is not limited to two shown in the present embodiment, can also can be three or more for one.
The public mouth 10 of described Micro mini is portable versions of USB 2.0 standards, supports OTG, is used for connecting the miniaturized electronicss such as mobile phone.Public mouthful 10 1 ends of described Micro mini form inserted terminal 50, the other end is outward extended with wire and is connected for public mouthful 200 with standard USB, in the present embodiment, described inserted terminal 50 is the 5pin structure, that is to say to be formed with 5 pins 70 on the inserted terminal 50, meet respectively Vcc (positive source), Date-(negative data), Date+ (positive data), GND (ground wire), GNC (shell).During use, the inserted terminal 50 of Micro mini male mouthfuls 10 is inserted in female mouthful of the Micro mini that electronic equipment matches, can realize transfer of data and communicate by letter.
Described auxiliary public mouthful 20 end forms inserted terminal 60, the other end forms wire and is connected for public mouthful 200 with standard USB, described inserted terminal 60 is formed with pin 80, in the present embodiment, described pin 80 is similarly 5, comprises two groups of two differential wires and one group of shielding conductor, and described pair of differential wire is used for the hypervelocity transfer of data, support the single overspeed signal of two-fold, described shielding conductor is for the treatment of signal interruption and electronic jamming.
The public mouth 10 of the Micro mini of USB interface structure 100 of the present invention can split or make up with auxiliary public mouthful 20, when both make up, as shown in Figure 2, between public mouthful of 10 laterally inserted auxiliary public mouthful 20 convex edges 40 of described Micro mini, convex edge 40 distortion are outwards opened, projection 32 on the public mouth 10 of Micromini is snapped in to the hole clipping 42 of convex edge 40, cancel active force after snapping in, convex edge 40 recovery deformation are contained in the step 30 of the public mouth 10 of Micro mini, so by projection 32 and cooperating of convex edge 40 the public mouth 10 of Micro mini is fitted together with auxiliary public mouthful 20, in the situation of not using external force, can not break away from voluntarily, form firm connection.Please consult simultaneously Fig. 3, when the public mouth 10 of Micro mini connects as one with auxiliary public mouthful 20, Micro standard interfaces under public mouthful 10 of Micro mini and the auxiliary public mouthful of 20 common formation USB3.0 standards, both pins 70, the 80 common pins that consist of the Micro standard interfaces, thus be connected with the electronic equipment with Micro standard female mouth and communicate by letter.
And when the interface of the electronic equipment that needs to connect is the female mouth of Micro mini, only need USB interface structure 100 of the present invention is split, apply a little active force on auxiliary public mouthful 20 convex edge 40, thereby 40 hole clipping 42 breaks away from from the convex edge to make projection 32 that convex edge 40 outwards opens public mouthful 10 of Micro mini, the public mouth 10 of Micromini namely can be separated from each other with auxiliary public mouthful 20, so Micro mini can be separated separately for public mouthful 10, be inserted in female mouthful of the corresponding Micro mini, realize and being connected and communicating by letter of miniaturized electronics.
USB interface structure 100 of the present invention is by the public mouth 10 of Micro mini and fractionation and the combination of assisting public mouthful 20, form the interface of different size, thereby it can connect the electronic equipment with different size interface, thereby need not to be equipped with many data lines for distinct electronic apparatuses, also need not to change data wire even if change in use electronic equipment, easy to use, economic environmental protection.In addition, described convex edge 40 is firmly to be connected for the public mouth 10 of Micro mini is formed with auxiliary public mouth 20 with the cooperation of projection 32, also projection 32 can be formed at and assist on public mouthful 20, be fixed with it in public mouthful of 10 formation convex edges 40 of Micro mini and hole clipping 42.Perhaps can also on public mouthful 10 of Micro mini and auxiliary public mouth 20 two sides that combine, form respectively projection 32 and hole clipping 42, need not to form step 30 and convex edge 40 structures, projection 32 and hole clipping 42 are connected and fixed by interference fit, realize being connected or fractionation of public mouthful 10 of Micro mini and auxiliary public mouth 20.
The above only is better possible embodiments of the present invention, and is non-so namely limit to claim of the present invention, and the equivalent structure that such as uses specification of the present invention and accompanying drawing content to do changes, and all reason is with being contained in the scope of the present invention.