TWM482887U - Conversion application device of USB electrical connector - Google Patents

Description

USB electrical connector conversion application device

The present invention provides a conversion application device for a USB electrical connector, especially an electrical connector structure that can change a plurality of application modes, and is formed by inserting a metal conductor set through an insulating seat of the docking device, and an outer cover covering the shield case. The connection space can be inserted and removed by the adapter device to achieve the purpose of forming electrical connectors of various predetermined types of specifications.

According to the advancement of electronic technology, many electronic and electrical products bring people comfort and convenience in work and life, and people are increasingly relying on the use of electronic and electrical products. Through the application and operation of various electronic signals. Control the operation and execution of electronic and electrical products, as well as the continuous improvement and creation of various electronic and electrical products. The functions of various electronic and electrical products must be continuously updated and replaced, and the application of electronic signals is required. Controlling the operation and execution capabilities of electronic and electrical products, and the speed of electronic signal transmission is constantly increasing. It is necessary to transmit electronic signals between electronic products through various transmission interfaces, electrical connectors, etc., and electronic signal transmission. The interface is also constantly improved and innovated to enhance the interface of the transmission signal, the type and quality of the electrical connector, and the speed of transmitting electronic signals. However, there are quite a variety of types and types of electronic signal transmission interfaces, and various signal transmission interfaces, The size of the electrical connector is also different, and the mode of transmitting the electronic signal is different. The electronic products must be installed on many types of transmission interface, electrical connectors, electronic products to meet all kinds of electronic signal transmission The need, so there must be enough space on various electronic products to install a variety of different types of transmission interfaces, electrical connectors.

However, as various electronic products are designed in a light, thin, short, and small mode, such as a commonly used smart phone, tablet, desktop computer, or notebook computer, electronic products can be utilized. In the space of limited size, if it is installed with various types of transmission interfaces to facilitate electronic signal transmission, it will occupy the internal circuit layout space of the electronic product and occupy the surrounding space of the body, resulting in the circuit layout of the electronic product and The space of the body is not enough.

Therefore, how to solve the problems and problems of different types of transmission interfaces and electrical connectors that must be set in the current circuit layout of electronic products, and occupy the lack of circuit layout of the electronic products and the surrounding space of the body, that is, related manufacturers engaged in this industry. Those who want to study the direction of improvement.

Therefore, in view of the above-mentioned problems and deficiencies, the creators have collected relevant information, and through multi-party evaluation and consideration, and through years of experience in the industry, through continuous trials and revisions, we have designed such a variety of specifications. The new connector of the electronic connector change application, with the relatively type of different types of transmission interface, can reduce the number of patents and the space of the USB electrical connector conversion application device.

The main purpose of the present invention is that the docking device of the electrical connector extends through the plurality of conductor slots of the insulating base, the mating surfaces of the mating surfaces of the metal conductor groups, and the soldering portions of the other side of the metal conductor group. The outside of the body, and the outer cover of the insulating base covers the shielded housing to form a plug-in space, and the insulating base of the adapter device can be inserted and removed in alignment, and the base side of the insulating base is The accommodating groove has a tongue and a tongue on the other side, and the plurality of resisting sides of the signal conductor group are disposed on the base portion to expose the outside of the accommodating groove, and are electrically resisted to the mating portions of the metal conductor group. And the plurality of mating sides of the signal conductor group extend to the tongue and the tongue surface respectively, and the outer cover shielded outer casing can form a preset specification electrical connector for the purpose of multi-purpose application.

The secondary purpose of the present invention is that the metal conductor set of the docking device comprises a plurality of metal conductors and a plurality of transmission conductors, and a plurality of metal conductors are respectively provided with a first abutting portion on one side and a first welding portion on the other side. The second transmission portion is respectively provided with a second abutting portion on one side, and the second welding portion is respectively disposed on the other side; further, the plurality of metal guiding systems includes five metal conductors, and the five metal conductors comprise a first grounding conductor at the center, a first differential signal conductor, a second differential signal conductor, a third differential signal conductor, and a fourth differential signal conductor on the two sides of the first ground conductor; and the plurality of transmission conductors includes four transmission conductors, and the four transmission conductors are included a fifth differential signal conductor, a sixth differential signal conductor, a first power conductor and a second ground conductor located outside the fifth and sixth differential signal conductors.

A further object of the present invention is to provide a signal conductor set of the switching device, comprising a plurality of signal conductors and a plurality of signal transmission conductors, wherein the first signal side is respectively provided with a first butt side and the other side is respectively provided with a first soldering The side of the plurality of signal transmission conductors is respectively provided with a second butt side, and the other side is respectively provided with a second soldering side; the plurality of signal guiding systems include four signal conductors, and the four signal conductors are arranged adjacent to the center. a seventh differential signal conductor, an eighth differential signal conductor, a second power conductor and a third ground conductor located outside the seventh and eighth differential signal conductors; and the complex signal transmission system includes five signal transmission conductors. And the five signal transmission conductors comprise a fourth ground conductor located at the center, a ninth differential signal conductor located outside the fourth ground conductor 2, a tenth differential signal conductor, an eleventh differential signal conductor, and a tenth Two differential signal conductors.

1‧‧‧Docking device

11‧‧‧Insulated body

110‧‧‧ Conductor slot

111‧‧‧ docking surface

12‧‧‧Metal conductor set

121‧‧‧Metal conductor

1211‧‧‧First grounding conductor

1212‧‧‧First differential signal conductor

1213‧‧‧Second differential signal conductor

1214‧‧‧ Third differential signal conductor

1215‧‧‧4th differential signal conductor

122‧‧‧Transmission conductor

1221‧‧‧ fifth differential signal conductor

1222‧‧‧ sixth differential signal conductor

1223‧‧‧First power conductor

1224‧‧‧Second grounding conductor

123‧‧‧Docking Department

1231‧‧‧First docking department

1232‧‧‧second docking

124‧‧‧Weld Department

1241‧‧‧First Welding Department

1242‧‧‧Second welding department

13‧‧‧Shield housing

130‧‧‧ accommodating space

131‧‧‧Dock space

2‧‧‧Transfer device

21‧‧‧Insulated base

211‧‧‧ base

2110‧‧‧ accommodating slots

212‧‧ ‧Tongue

2120‧‧‧Team trough

213‧‧‧ tongue plate

2130‧‧‧Conductor storage slot

214‧‧‧ 扣扣

22‧‧‧ Signal Conductor Group

221‧‧‧ Signal conductor

2211‧‧‧ seventh differential signal conductor

2212‧‧‧8th differential signal conductor

2213‧‧‧Second power conductor

2214‧‧‧ Third grounding conductor

2215‧‧‧Auxiliary transmission conductor

2216‧‧‧Flexible buckle

222‧‧‧Signal transmission conductor

2221‧‧‧4th grounding conductor

2222‧‧‧Ninth differential signal conductor

2223‧‧‧10th differential signal conductor

2224‧‧‧Eleventh differential signal conductor

2225‧‧‧ twelfth differential signal conductor

223‧‧‧Resistance side

2231‧‧‧First Abutment Side

2232‧‧‧Secondary side

224‧‧‧ docking side

2241‧‧‧Contact surface

2242‧‧‧ Signal contact surface

23‧‧‧Shielded enclosure

231‧‧‧First Extension

2310‧‧‧First storage space

2311‧‧‧ slotting

232‧‧‧Second extension

2320‧‧‧Second storage space

233‧‧‧ buttonhole

3‧‧‧Electrical connector

The first picture is a three-dimensional appearance of the creation.

The second picture is a three-dimensional exploded view of the creation.

The third picture is a three-dimensional exploded view of the other direction of the creation.

The fourth figure is a perspective exploded view of the present embodiment.

The fifth figure is a top view of the created metal conductor set.

The sixth figure is a top view of the creative signal conductor set.

The seventh drawing is a side sectional view (I) of the present embodiment.

The eighth figure is a side cross-sectional view (2) of the present embodiment.

The ninth drawing is an exploded perspective view of another embodiment of the present creation.

In order to achieve the above objectives and effects, the technical means used in the creation, its construction, the method of implementation, etc., are described in detail in the preferred embodiment of the present invention, and the features and functions are as follows.

Please refer to the first, second, third and fourth figures, which are the three-dimensional external view, the three-dimensional exploded view, the three-dimensional exploded view of the other direction, and the three-dimensional exploded view of the embodiment, which can be clearly seen from the figure. The electrical connector of the present invention includes a docking device 1 and an adapter device 2, wherein the docking device 1 includes an insulating base 11, a metal conductor set 12 and a shield case 13, and the inner portion of the insulating base 11 A plurality of conductor slots 110 are provided and adjacent to each other The plurality of conductor slots 110 are provided with abutting surface 111 on the side of the insulating base 11 and the metal conductor set 12 is disposed inside the insulating base 11 . The metal conductor set 12 includes a plurality of metal conductors 121 and a plurality of transmitting conductors 122. One side has abutting portion 123 and the other side has a welded portion 124, respectively, and the first metal portion 121 is provided with a first abutting portion 1231, and the other side is respectively provided with a first soldering portion 1241, and the plurality of transmitting conductors 122 are respectively provided. A second abutting portion 1232 is disposed on one side, and a second soldering portion 1242 is disposed on the other side, that is, each of the first abutting portions 1231 of the plurality of metal conductors 121 extends into each of the conductor slots 110 and the plurality of transmission conductors 122 Each of the second abutting portions 1232 extends to the abutting surface 111, and the plurality of first abutting portions 1231 and the plurality of second abutting portions 1232 for the abutting portion 123 respectively expose the surface of the insulating base 11 and the plurality of the welded portions 124 The first soldering portion 1241 and the plurality of second soldering portions 1242 are respectively exposed to the other outer side of the insulating base 11 , and the shield housing 13 is covered on the outside of the insulating base 11 and the metal conductor group 12 , and the shield housing is used. 13 internal hollow The space 130 is arranged to receive the insulating base 11 , and the insulating seat 11 and the metal conductor set 12 cooperate with the accommodating space 130 of the shielding case 13 to form an electrical connector conforming to a predetermined specification (which can be in accordance with a universal sequence) The plug-in space 131 of the bus form USB3.0 or USB2.0 specification).

The switching device 2 includes an insulating base 21, a signal conductor group 22 and a shielding case 23, and the insulating base 21 is provided at one edge of the base portion 211, and is provided with a receiving groove 2110 recessed toward the inside, and then the base portion 211 The other side is outwardly convexly provided with an adjacently arranged tongue portion 212 and a tongue plate 213. The two side surfaces of the base portion 211 and the tongue portion 212 adjacent to each other are convexly provided with a convex buckle 214 and a tongue portion. The 212 has a plurality of conductor slots 2120, and the tongue plate 213 has a plurality of conductor receiving slots 2130 therein, that is, the insulating base 2 A plurality of signal conductors 221 and a plurality of signal transmission conductors 222 are disposed on the side of the signal conductor group 22, and extend to the side of the base portion 211 to extend outside the accommodating groove 2110. The abutting side 224 of the other side of the signal conductor group 22 extends to the tongue portion 212 and the tongue plate 213, respectively, and exposes the surface of the plurality of conductor slots 2120 and the plurality of conductor receiving slots 2130, respectively, and is provided on the tongue portion 212 and the tongue plate 213. The first extension seat 231 and the second extension seat 232 of the outer cover 23 are respectively covered by the tongue 212, the tongue 213 and the base 211, and the two sides of the shield 214 are provided on the two sides. The plurality of fastening holes 233 disposed on the opposite side edges are respectively engaged and latched on the respective buckles 214, so that the first extension seat 231 and the second extension seat 232 of the shielding shell 23 are respectively assembled and covered on the tongue portion 212. The outer side of the tongue plate 213 and the hollow first storage space 2310 of the first extension seat 231 of the shielding case 23 are used for receiving the tongue portion 212 and further matching the plurality of signal conductors 221 to form a predetermined type of electrical connector. Can be used in accordance with the micro universal serial bus form (Micro US B2.0 or Micro USB3.0), and the second storage space 2320 which is hollow inside the second extension seat 232 can be used for receiving the tongue plate 213, and then matching the plurality of signal transmission conductors 222 to form a predetermined connector. Mini universal serial bus form (Mini USB3.0 or Mini USB2.0) specifications and so on.

When the above-mentioned components are assembled and applied, the plurality of conductor slots 110 on the side of the insulating base 11 and the plurality of mating portions 123 of the metal conductor group 12 exposed by the mating surface 111 are used to fit the accommodating space of the shield case 13 . 130, forming a plug-in space 131 for inserting a predetermined type of electrical connector, wherein the insulating base 21 of the adapter device 2 is disposed in the plug-in space 131 and is movably inserted and detached through the base of the insulating base 21 twenty one Each of the resisting sides 223 of the signal conductor group 22 exposed at the one side receiving groove 2110 is electrically opposed to the plurality of mating portions 123 of the metal conductor group 12 (which can be respectively electrically transmitted through the plurality of first resisting sides 2231 respectively) Corresponding to the plurality of first butting portions 1231 and the plurality of second abutting portions 2232 respectively electrically resisting the plurality of second mating portions 1232), the docking device 1 is applied separately or cooperates with the switching device 2 to form a plurality of predetermined type specifications. The multi-purpose electrical connector of the application is changed, and the docking device 1 and the adapter device 2 constitute the electrical connector structure of the present invention.

Please refer to the second, third, fifth and sixth figures, which are the three-dimensional exploded view of the creation, the three-dimensional exploded view of the other direction, the top view of the metal conductor set, and the top view of the signal conductor set, and the electrical connection of the creation For the inside of the insulating base 11 of the docking device 1, the metal conductor set 12 is pierced, and the metal conductor set 12 can include five metal conductors 121 and four transmission conductors 122, and the five metal conductors 121 are included. a first grounding conductor 1211 located at the center, a first differential signal conductor 1212, a second differential signal conductor 1213, a third differential signal conductor 1214, and a fourth differential signal conductor 1215 located outside the first ground conductor 1211 for common use The serial bus (USB3.0) specification, etc.; the four transmission conductors 122 include a fifth differential signal conductor 1221, a sixth differential signal conductor 1222, and a fifth differential signal conductor 1221, a sixth difference. The first power conductor 1223 and the second ground conductor 1224 on the outer side of the signal conductor 1222 are available for conforming to the universal serial bus (USB2.0) specification and the like.

As for the switching device 2, the signal conductor group 22 is disposed inside the insulating base 21, and the signal conductor group 22 includes a plurality of signal conductors 221 and a plurality of signal transmission conductors 222, and the plurality of signal conductors 221 includes four signal conductors. 221, then four messages The number of conductors 221 includes a seventh differential signal conductor 2211 disposed adjacent to the center, an eighth differential signal conductor 2212, and a second power conductor 2213 located on the outer side of the seventh differential signal conductor 2211 and the eighth differential signal conductor 2212. The grounding conductor 2214 is adapted to conform to the micro universal serial bus (Micro USB 2.0) specification, etc., and the four signal conductors 221 are adjacent to the inner side of the seventh differential signal conductor 2211 of the third grounding conductor 2214. The transmission conductor 2215 is configured to form four electrical conductors 221 to form an electrical connector conforming to the universal serial bus type (USB/OTG) specification; and further to the inner side of the second power supply conductor 2213 adjacent to the eighth differential signal conductor 2212, and then connected There is a butt side 224 which increases the width and can supply a large amount of current, and the butt side 224 is hollow-loop-shaped, elastically raised, and one side is broken to form two contact faces 2241; The two outer sides of the second power conductor 2213 and the second ground conductor 2214 of the conductor 221 are respectively provided with elastic buckles 2216, and the two sides of the shielding shell 23 are respectively provided with the slits 2311 for the elastic buckles 22 respectively. 16 respectively, extending through each of the slots 2311, and the plurality of signal conductors 221 are combined to form a predetermined type of electrical connector (which can be a micro universal serial bus (Micro USB2.0) specification or a mini universal serial bus (Mini USB2. 0) Specifications, etc.].

Moreover, the plurality of signal transmission conductors 222 of the signal conductor group 22 includes five signal transmission conductors 222, and the five signal transmission conductors 222 are provided with a fourth ground conductor 2221 located at the center and two sides of the fourth ground conductor 2221. The nine differential signal conductors 2222, the tenth differential signal conductors 2223, the eleventh differential signal conductors 2224 and the twelfth differential signal conductors 2225 are respectively provided with signal contact faces 2242 for transmitting electronic signals on one side of each of the signal transmission conductors 222.

Please also refer to the second, third, fourth, seventh and eighth figures, which are the exploded perspective view of the creation, the exploded perspective view of the other direction, the exploded perspective view of the embodiment, and the side cross-sectional view of the embodiment (1) The side view of the embodiment (2), when the electrical connector of the present invention is implemented, the insulating base 11 of the docking device 1 and the plurality of mating portions 123 of the metal conductor set 12 can be utilized and matched with the shield. The plug-in space 131 formed by the housing 13 can be electrically connected to the preset type electrical connector of the relative type (which can be in accordance with the universal serial bus form USB3.0 or USB2.0 specification). The metal conductor set 12 performs the transmission of electronic signals.

The insertion space 131 of the docking device 1 can be used for the active insertion or removal of the base portion 211 of the insulating base 21 of the adapter device 2, and the insertion space 131 is located on the side of the insulating base 11 The plurality of first butting portions 1231 and the plurality of second butting portions 1232 of the plurality of abutting portions 123 exposed by the mating surface 111 are provided with a plurality of first resisting sides 2231 and 2161 of the signal conductor group 22 exposed at the side of the receiving portion 2210 of the base portion 211 The second resisting side 2232 respectively touches the plurality of first mating portions 1231 and the plurality of second mating portions 1232, that is, the signal conductor set of the metal conductor set 12 and the switching device 2 of the docking device 1 22, in an electrically conductive state, and can utilize the tongue 212 of one side of the adapter device 2 and the first extension seat 231 of the shielding case 23, forming a predetermined type of electrical connector (which can be in accordance with the micro universal serial bus form) (Micro USB2.0 or Micro USB3.0), and the tongue plate 213 on the side of the adapter device 2 and the second extension seat 232 of the shielding case 23, the predetermined type of electrical connector formed conforms to the mini universal serial bus bar form (Mini USB3.0 or Mini USB2.0) specifications, etc. The preset type of electrical plug connectors to be opposed, by gold but may The conductor group 12 and the signal conductor group 22 perform electronic signal transmission; that is, the electrical connector can be converted and changed by various types of electrical connectors for implementation of different types of electrical connectors for various purposes, and The multiple selection effects of the electrical connector in the implementation of the application are not easily limited by the application of the different types of preset electrical connectors of the electronic product.

Please refer to the second, third, fourth, eighth and ninth drawings, which are the three-dimensional exploded view of the creation, the three-dimensional exploded view of the other direction, the exploded perspective view of the embodiment, and the side cross-sectional view of the embodiment (two The three-dimensional exploded view of another embodiment, the electrical connector of the present invention can be electrically connected to the external electrical connector 3 of the opposite type by using the docking device 1 when the application is implemented. The docking space 131 of the docking device 1 is inserted into the adapter device 2, and the adapter device 2 is electrically connected to the externally opposite type of the predetermined electrical connector 3 to achieve the docking device 1 or the adapter device. 2 Separate or combined with the purpose of application, etc. for multiple uses.

Therefore, the above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. The electrical connector structure of the present invention can utilize the insulating base 11 of the docking device 1 and the metal conductor set 12 The insertion space 131 of the electrical connector constituting the predetermined type of the shield housing 13 can be separately inserted into the opposite type of the predetermined electrical connector, or the side of the insulating base 21 can be connected by the switching device 2 The base portion 211 is movably inserted and removed from the docking space 131 of the docking device 1 and is transmitted by the tongue portion 212 protruding from the base portion 211, the tongue plate 213, the signal conductor 221 of the signal conductor group 22, and the negative signal transmission. The conductor 222 cooperates with the first extension seat 231 and the second extension seat 232 of the shielding shell 23 to form a plurality of electrical connectors of a predetermined type, and the utility model can realize the use of the docking device 1 and the adapter device 2 to form a plurality of predetermined type specifications. Multipurpose use of conversion of electrical connectors For the purpose of application, the application of the power supply connector by the docking device 1 or the application of the docking device 1 to the adapter device 2 can have various (two or more) specifications of the type of electrical connector change application, and it is not easy to implement the application. Restricted, easy to select the corresponding preset electrical connectors are plugged together to transmit electronic signals, and can avoid the trouble of various types and types of electrical connectors to separate the design and assembly to occupy space and position, and complete the electrical connector extension conversion The applicability of the change is wide, it can be used for multiple choices, and the function of reducing the constraints of the conditions of use. Therefore, the structures and devices that can achieve the above effects should be covered by this creation, such simple modification and equivalent structural changes. All should be included in the scope of the patent of this creation, and be combined with Chen Ming.

Therefore, the design is mainly for the design of the electrical connector structure, and the insulating seat body of the docking device can be used to wear the metal conductor set, and the shielding shell is wrapped around the insulating seat body and the metal conductor group for composition. A plurality of predetermined types of electrical connectors, or an adapter device, can be provided by the tongue and the tongue of the insulating base for the plurality of signal conductors and the plurality of signal transmission conductors of the signal conductor group, and the insulating base side The outer part of the tongue is covered by the first extension seat of the shielding shell, and the outer part of the tongue is covered by the second extension seat of the shielding shell, and the adapter device can be used with the docking device to form a plurality of predetermined type specifications. The electrical connector can be electrically connected to a plurality of predetermined types of specifications for extension conversion, change, and a selectable relative type of pre-determined electrical connector to be applied, and electrical insertion and transmission of electronic signals are mainly Protection focus, the power supply connector has a variety of pre-defined specifications for applications, more applicability, good application, and limited use It only makes the electrical connector have the advantages of multiple application modes. When used, it can avoid occupying too much space and is convenient for electronic products with different types of electrical connectors. However, the above is only the best of the present invention. The embodiment only does not limit the scope of the patent of the creation, so the application of the creation specification and the schema content is used. The simple modifications and equivalent structural changes shall be included in the scope of the patent of this creation and shall be combined with Chen Ming.

In summary, the above-mentioned USB electrical connector conversion application device can achieve its efficacy and purpose in practical application and implementation. Therefore, this creation is a practical and excellent research and development, in line with the new patent. Apply for the requirements, and apply in accordance with the law. I hope that the trial committee will grant the case as soon as possible to protect the creators' hard work in research and development. If there is any doubt in the trial committee, please do not hesitate to give instructions. The creators will try their best to cooperate. .

1‧‧‧Docking device

11‧‧‧Insulated body

110‧‧‧ Conductor slot

111‧‧‧ docking surface

12‧‧‧Metal conductor set

121‧‧‧Metal conductor

1211‧‧‧First grounding conductor

1212‧‧‧First differential signal conductor

1213‧‧‧Second differential signal conductor

122‧‧‧Transmission conductor

1221‧‧‧ fifth differential signal conductor

1222‧‧‧ sixth differential signal conductor

1223‧‧‧First power conductor

1224‧‧‧Second grounding conductor

123‧‧‧Docking Department

1231‧‧‧First docking department

1232‧‧‧second docking

124‧‧‧Weld Department

1241‧‧‧First Welding Department

1242‧‧‧Second welding department

13‧‧‧Shield housing

130‧‧‧ accommodating space

2‧‧‧Transfer device

21‧‧‧Insulated base

211‧‧‧ base

212‧‧ ‧Tongue

2120‧‧‧Team trough

213‧‧‧ tongue plate

2130‧‧‧Conductor storage slot

214‧‧‧ 扣扣

22‧‧‧ Signal Conductor Group

221‧‧‧ Signal conductor

222‧‧‧Signal transmission conductor

223‧‧‧Resistance side

2231‧‧‧First Abutment Side

2232‧‧‧Secondary side

224‧‧‧ docking side

2241‧‧‧Contact surface

2242‧‧‧ Signal contact surface

23‧‧‧Shielded enclosure

231‧‧‧First Extension

2310‧‧‧First storage space

2311‧‧‧ slotting

232‧‧‧Second extension

2320‧‧‧Second storage space

233‧‧‧ buttonhole

Claims (14)

The utility model relates to a switching application device of a USB electrical connector, which comprises a docking device and an adapter device, wherein: the docking device is provided with an insulating seat body having a plurality of conductor slots and abutting faces, and the insulating seat system is provided for the metal conductor set And the metal conductor group is provided with a plurality of abutting portions exposing the slot and the abutting surface of each conductor, and the metal conductor group of the plurality of abutting portions is provided with a plurality of welding portions extending from the other side of the insulating seat on the other side, and is insulated The outer cover of the base body and the metal conductor set form a shield case of the plug-in space; and the adapting device is configured to be movablely inserted and removed from the docking space of the docking device, and is provided with an insulating base that is actively inserted and removed in the docking space. And the insulating base is provided with a base having a receiving groove on one side, and an adjacently arranged tongue and tongue on the other side of the base, and is electrically connected to the metal conductor set of the docking device on the insulating base. The signal conductor group of the conductive conduction, and the signal conductor group side is a plurality of resisting grooves outside the receiving groove, and the plurality of resisting sides of the metal conductor group are electrically resistive, and the plurality of resisting sides are opposite to the signal conductor Group another , The features extend to the tongue portion, a plurality of mating surfaces of the tongue side, and plural mating opposing sides of the signal conductor set and the tongue, the tongue is covered with the cover plate is formed outside the predetermined specification of the electrical connector shield case. The switching device of the USB electrical connector according to the first aspect of the invention, wherein the docking device is provided with a plurality of hollow conductor slots in the inner portion of the insulating base, and abutting surface is provided on one side of the adjacent conductor slots. . The switching device of the USB electrical connector of claim 1, wherein the metal conductor set of the docking device comprises a plurality of metal conductors, a plurality of transmission conductors, and a plurality of first conductors are respectively disposed on one side of the plurality of metal conductors. And the other side has a first welding part, The side of the plurality of transmission conductors is respectively provided with a second abutting portion, and the other side is respectively provided with a second welding portion. The switching device of the USB electrical connector of claim 3, wherein the plurality of metal guiding systems comprises five metal conductors, and the five metal conductors comprise a first grounding conductor located at the center, at the first grounding a first differential signal conductor, a second differential signal conductor, a third differential signal conductor, and a fourth differential signal conductor on two sides of the conductor. The switching device of the USB electrical connector of claim 3, wherein the plurality of transmission conductors comprises four transmission conductors, and the four transmission conductors comprise fifth differential signal conductors arranged adjacent to each other in the center. a sixth differential signal conductor, a first power conductor and a second ground conductor located outside the fifth and sixth differential signal conductors. The switching device of the USB electrical connector according to the first aspect of the invention, wherein the adapter device is disposed at a side edge of the base of the insulating base, and is provided with a receiving groove recessed toward the inside, and then at the base The other side of the outer protrusion is provided with two adjacent tongues and tongue plates, and a plurality of conductor slots are arranged in the tongue portion, and a plurality of conductor receiving grooves are arranged in the tongue plate. The switching device of the USB electrical connector of claim 1, wherein the signal conductor set of the switching device comprises a plurality of signal conductors, a plurality of signal transmission conductors, and a first of the plurality of signal conductors respectively The first welding side is respectively disposed on the butting side and the other side, and the second signal side is disposed on the side of the plurality of signal transmission conductors and the second side is respectively provided on the other side. The switching device of the USB electrical connector of claim 7, wherein the complex signal guiding system comprises four signal conductors, and the four signal conductors comprise seventh differential signal conductors arranged adjacent to each other in the center. The eighth differential signal conductor, located in the seventh, a second power conductor and a third ground conductor on the outer side of the eight differential signal conductors. The switching device of the USB electrical connector of claim 8, wherein the four signal conductors are connected to the inner side of the third differential signal conductor adjacent to the third ground conductor, and the auxiliary transmission conductor is connected. Four signal conductors form an electrical connector that conforms to the Universal Serial Bus Type (USB/OTG) specification. The switching device of the USB electrical connector of claim 8, wherein the four signal conductors are connected to the inner side of the second differential signal conductor adjacent to the second power conductor, and the connecting width is increased for the load. The butt side of the large current amount is bent in a hollow loop shape, elastically bulged, and one side is broken to form two contact faces. The switching device of the USB electrical connector of claim 7, wherein the plurality of signal transmission conductors comprises five signal transmission conductors, and the five signal transmission conductors comprise a fourth ground conductor located at the center. a ninth differential signal conductor, a tenth differential signal conductor, an eleventh differential signal conductor, and a twelfth differential signal conductor on two sides of the fourth ground conductor. A switching application device for a USB electrical connector includes an adapter device, wherein: the adapter device is provided with an insulating base, and the insulating base is provided with a receiving groove on one side and conforms to a micro universal serial bus bar (Micro USB3) .0) The base of the size specification is provided with an adjacently arranged tongue and tongue on the other side of the base, and a signal conductor set is disposed on the insulating base, and a side of the signal conductor set is provided with an exposed base. The plurality of resisting sides of the outer side of the slot are disposed on the other side of the signal conductor group, and the plurality of mating sides extending to the surface of the tongue and the tongue are respectively provided, and the plurality of mating sides and the tongue of the signal conductor group are opposite to each other. The outer part of the tongue plate is covered with a shielding shell forming a predetermined size electrical connector. The conversion application device of the USB electrical connector of claim 12, wherein the adapter device is attached to a side edge of the base of the insulating base, and is provided with a receiving groove recessed toward the inside, and then at the base The other side of the outer protrusion is provided with two adjacent tongues and tongue plates, and a plurality of conductor slots are arranged in the tongue portion, which conforms to the micro universal serial bus bar form (Micro USB2.0 or Micro USB3.0), and There are a plurality of conductor receiving slots in the tongue plate, which conforms to the mini universal serial bus form (Mini USB3.0 or Mini USB2.0). The switching device of the USB electrical connector of claim 12, wherein the signal conductor set of the switching device comprises a plurality of signal conductors disposed through the tongue, and is in the form of a micro universal serial bus (Micro) USB2.0), the signal conductor group also includes a plurality of signal transmission conductors disposed on the tongue plate, conforming to the mini universal serial bus form (Mini USB3.0), and having the first side of the plurality of signal conductors respectively The first welding side is respectively disposed on the butting side and the other side, and the second signal side is disposed on the side of the plurality of signal transmission conductors and the second side is respectively provided on the other side.