[background technology]
Figure 1A, 1B, 1C are USB jockey of the prior art three types, the socket that it comprises plug respectively and receives this plug, and described three types are respectively: Type A, TypeB, Mini-USB.Type A generally is used for PC, and Type B generally is used for USB device, and Mini-USB generally is used for digital camera, measuring instrument etc.More than three class USB jockeys, its plug and socket all can only plug with fixed-direction, if will be wherein after the end upset, be subject to the interior baffle plate of plug or the constraint of socket shape, plug can't normally be connected with socket, perhaps can not can not constitute the signal transmission with in the plug insertion socket.The baffle plate in the plug and the specific trait of socket be provided with purpose all be in order to ensure several conduction end points on the plug can be correctly with socket in several conduction end points constitute corresponding contact.
When practical application,, and make the two can reach the purpose that electrically conducts to have brought bigger inconvenience to the user correctly with in the plug insertion socket.In addition, at some USB device, can the phenomenon that this plug can't normally insert may appear with the USB plug of single direction grafting if only adopt.As shown in figure 11, be existing memory card with USB plug, if adopt single direction that this memory card is plugged on the connectivity port on the register face, the memory card of this USB plug of block can't insert card body one side owing to other equipment of plant, just can deal with problems if can make this employing another side of USB plug insert in the socket with after the memory card upset this moment, this shows that the arrangements of electric connection with two plug surfaces can improve the convenience of device operation really.
Therefore, now provide a kind of arrangements of electric connection of two plug surfaces newly, to overcome the deficiencies in the prior art.
[utility model content]
Problem to be solved in the utility model provides a kind of socket and plug thereof that can two plug surfaces, and the positive and negative of this plug can be plugged in arbitrarily in the socket of two plug surfaces, and can reach the purpose of signal transmission.
In order to solve above technical problem, the utility model adopts following technical scheme: the socket of a kind of pair of plug surface, it comprises that a pair of engages body, shade engages this external metal shell in this pair, described two engage body be provided with a certain distance from last junction surface reach the junction surface, the relative one side in two junction surfaces is respectively equipped with several first conductive junction points and second conductive junction point, first, second conductive junction point is projection between two junction surfaces all, it also comprises and described two multi-layer flexible printed circuit boards that body one end is connected that engage, be provided with the conducting wire of insulation each other in the described multi-layer flexible printed circuit board, described conducting wire extends out from the last link and the following link two ends of described multi-layer flexible printed circuit board, and with described first, second conductive junction point connects, with described first of same signal, second conductive junction point connects one to one.
Compared to prior art, the utility model is by being provided with the socket of a pair of plug surface, the user can insert plug in it arbitrarily, and can reach the purpose that electrically conducts, and easy to use, conducting easily, increase the flexibility of using, and with the corresponding connection of first, second conductive junction point, make to connect reliably, and conserve space by multi-layer flexible printed circuit board.
[description of drawings]
Figure 1A, 1B, 1C are for having the stereogram of three class USB jockeys now.
Fig. 2 is the socket of of the present utility model pair of plug surface and the stereogram of plug.
Fig. 3 is the three-dimensional exploded view of the socket of of the present utility model pair of plug surface.
Fig. 4 is two cut-away views that engage body of the socket of the two plug surfaces of the utility model.
Fig. 5 is the A-A cut-away view of Fig. 4.
Fig. 6 is the B-B cut-away view of Fig. 4.
Fig. 7 is the socket of the two plug surfaces of the utility model and the signal end type schematic diagram of plug.
Fig. 8 is the circuit structure diagram of jockey of the socket of the two plug surfaces of the utility model.
Fig. 9 is the cut-away view of the utility model plug.
Figure 10 A, 10B are the cut-away view of two kinds of inserting mode of the utility model plug.
Figure 11 is an existing operation chart with memory card of USB joint.
[embodiment]
Now in conjunction with specific embodiments, the utility model is carried out specific description.
Shown in Fig. 2,3, be the socket 10 of the two plug surfaces of the utility model and the stereogram of plug 20 thereof, described plug 20 positive and negatives all can insert in the socket 10, and can reach electrically conducting.Described socket 10 comprises metal shell 100, is positioned at two joint bodies 102 of metal shell, and is positioned at two jockeys 130 that engage body 102 1 ends.Described plug 20 comprises metal shell 200 and is positioned at the joint body 202 of metal shell.
Please again in conjunction with shown in Fig. 4,5,6, it is respectively the cut-away view of two fish plates 102 of described socket 10 along different directions.Described two engage body 102 be provided with a certain distance from last junction surface 104 reach junction surface 114,104, the 114 liang of opposite faces in two junction surfaces are respectively equipped with several conduits 106,116, be respectively equipped with first conducting terminal 108, second conducting terminal 118 in two conduits 106,116, first, second conductive junction point 108,118 is projection between two junction surfaces 104,114, forms first salient point 109, second salient point 119 that dock with plug.Wherein, the end of first, second conductive junction point 108,118 is respectively equipped with first conductive connecting pin 110 and second conductive connecting pin, 120, the second conductive connecting pins, 120 ends are connected with several leads 122 respectively.Described two groups of conduits 106,116 up and down are along the staggered layout of socket 10 axis directions, so that first, second salient point 109,119 same arrangements of electric connection 10 axis directions along two plug surfaces that are positioned at wherein two groups of first, second conductive junction points 108,118 up and down stagger, and avoid being in contact with one another between first, second conductive junction point 108,118 and cause short circuit.
As shown in Figure 7, be the signal end type schematic diagram of each conductive junction point of the utility model, several conductive junction points 204 are power end V, signal transmission ends D1, D2, earth terminal G with positive direction of insertion putting in order from left to right on the joint body 202 of described plug 20.Second conductive junction point 118 electric the putting in order from left to right of described socket 10 is respectively: from left to right electric of power end V, signal transmission ends D1, D2, earth terminal G, first conductive junction point 108 puts in order and puts in order opposite with second conductive junction point 118 electric.Therefore, no matter described plug 20 inserts with the front or the mode of reverse side, and the signal end of the conductive junction point when it inserts in the signal end of conductive junction point and the socket 10 is identical.Be provided with four circuit in the jockey 130, insulate between each circuit, its two ends are provided with extended four last links 131 and following link 132 from described circuit two ends, last link 131 and following link 132 respectively with described first conductive connecting pin 110 and 120 corresponding connections of second conductive connecting pin, as welding, this connected mode is firm, guarantee the smooth transmission of signal, and then first conductive junction point 108 and second conductive junction point 118 can be connected one to one by the same signal end, guaranteed plug 10 can with two groups of conductive junction points 108,118 all carry out the signal transmission.
As shown in Figure 8, circuit structure diagram for described jockey 130, this jockey 130 is a multi-layer flexible printed circuit board, comprises that mainly 4 layers are piled up the base material of setting and are located at circuit on each base material, and this circuit is that Copper Foil is through PROCESS FOR TREATMENT such as over etchings and obtain.Insulate between the adjacent base material, thereby each layer base material be when piling up, the circuit on it is independently between mutually, and phenomenon can not be short-circuited.Described the 1st layer of base material is provided with the circuit v of the power end V of power end V to the second conductive junction point 118 that connects first conductive junction point 108, the 2nd layer of base material is provided with the circuit d1 of the signal transmission ends D1 of signal transmission ends D1 to the second conductive junction point 118 that connects first conductive junction point 108, the 3rd layer of base material is provided with the circuit d2 of the signal transmission ends D2 of signal transmission ends D2 to the second conductive junction point 118 that connects first conductive junction point 108, the 4th layer of base material is provided with the circuit g of the earth terminal G of earth terminal G to the second conductive junction point 118 that connects first conductive junction point 108, by this mode with first, second conductive junction point 108, each signal end of 118 is corresponding to be connected, in the same way, if first, the quantity of second conductive junction point is N, then the number of plies of described flexible printed circuit board is N, from left to right electric of the signal end of first conductive junction point put in order into contact 1 to contact N, from right to left electric of the signal end of second conductive junction point put in order into contact 1 to contact N, on described every layer of flexible printed circuit board a circuit is set, N layer flexible printed circuit board is provided with circuit N, and this circuit N is with corresponding electric connection of contact N of the contact N and second conductive junction point of first conductive junction point.
As mentioned above, when the above-mentioned the 1st to N layer flexible printed circuit board up and down behind the flexible printed circuit board of stacked formation one, make that the effect of circuit N in the vertical direction perspective of the circuit N-1 of N-1 layer flexible printed circuit board and N layer flexible printed circuit board is that circuit N-1 presents circuit with circuit N and intersects, and because N-1 layer flexible printed circuit board and N layer flexible printed circuit board insulate after stacked each other, so, make mutual electrically conducting of circuit N-1 and circuit N, realize the mutual conversion of the electrical specification between first conductive junction point 11 and second conductive junction point 12 therefrom, avoided mutual conversion intersection between the circuit time to occur and the situation of short circuit simultaneously.
As shown in Figure 9, be the cut-away view of the utility model plug 20.The joint body 202 of this plug 20 is along plug 20 axis symmetric configurations, and has with a certain distance from metal shell 200, guarantees that this joint body 202 be able to be inserted between the last junction surface 104 and following junction surface 114 of socket 10.The one side of this joint body 202 forms the conductive junction point 204 that meets the USB specification, and the other end of those conductive junction points 204 connects several leads 206.
Shown in Figure 10 A, 10B, be the cut-away view of two kinds of inserting mode of described plug 20.According to the inserting mode of Figure 10 A, the conductive junction point 204 of plug 20 constitutes electric the contact with the conducting strip salient point 119 at the following junction surface 114 of socket 10.Other is according to the inserting mode of Figure 10 B, since jockey 130 by several circuit will be up and down two groups of conductive connecting pins 110,120 according to the same signal end one by one correspondence be connected, therefore the conductive junction point 204 of plug 20 also can constitute signal with the conductive salient point 109 at the last junction surface 104 of socket 10 and transmit.
By above execution mode, plug 20 of the present utility model can arbitrary face inserts in the socket 10, and can carry out the signal transmission, and is easy to use, conducting easily, and can increase the flexibility of use.And jockey of the present invention adopts multi-layer flexible printed circuit board, its switching performance is good, and guaranteeing between the adjacent lines not can short circuit, and conserve space, need not spatially to be provided with the electric wire of a plurality of mutually insulateds, can effectively dwindle the entire length of arrangements of electric connection.
Below only embodiments of the invention are described, but can not be limited the present invention, various variations or modification according to spirit of the present invention has been done all are included in the claim of the present invention.