TW201907632A - Electric connector for converting USB to Type-C capable of converting into multiple specification forms - Google Patents

Abstract

The present invention relates to an electric connector for converting USB to Type-C. The abutting module of the electric connector is located in an insulation base penetrated with a metal conductor set. One side of the metal conductor set is configured with a plurality of abutting portions exposed from the surface of the insulation base, and the other side is extended with a plurality of welding portions penetrated out of the insulation base. The exterior of the insulation base is covered by a shielding shell formed as an insertion space of USB2.0 or USB3.0 to be provided for an adapter module to plug in or unplug. The adapter module is penetrated with a signal conductor set on the insulation base to electrically connect to the plurality of abutting portions of the metal conductor set through a plurality of abutting sides at one side of the signal conductor set. Furthermore, the shielding shell covered on the exterior is formed as an electric connection in the form of USB3.1 Type-C, so as to form an electric connector capable of converting into multiple specification forms.

Description

 USB conversion Type-C electrical connector  

The invention provides a USB-type Type-C electrical connector, in particular, the insulating seat body of the docking module, the metal conductor set and the shielding shell form a plug-in space of a predetermined specification type, and is provided for the USB3.1 Type-C type. The adapter module is used for movable insertion and removal to achieve a variety of specifications and applications.

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. Controlling 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 due to electronic and electrical products. By using the application of electronic signals to control its operation and execution capabilities, the speed of electronic signal transmission needs to be continuously improved.

Furthermore, multiple electronic and electrical products must be transmitted through electronic transmissions through various transmission interfaces and electrical connectors. Therefore, various transmission interfaces and electrical connectors need to be continuously improved and innovated to enhance the transmission of signals. Interface type, quality and quality of electronic connectors, and speed of transmitting electronic signals. However, there are quite a variety of types and types of electronic signal transmission interfaces. Different types of signal transmission interfaces and electrical connectors have different sizes and specifications. The mode is different. Many types of transmission interfaces and electrical connectors must be installed on the electronic products to meet the needs of electronic products for various electronic signal transmissions.

However, today USB2.0 and 3.0 are the most popular mainstream transmission interfaces, and are fully utilized in various external electronic products, such as external hard disk drives, solid state hard drives, DVD players, etc., in order to face other high-speed interfaces. The challenge is to introduce the USB3.1Type-C specification, which can support higher power charging and power supply capabilities, and can be up to 10Gbps in transmission speed. The front and back sides can be inserted for use, and users no longer need to distinguish between front and back. It is easier to insert the interface, and it can be expanded to be suitable for thin and light mobile devices such as tablet computers and smart phones. Therefore, there must be enough space on various electronic products to install various USB2.0, 3.0 or Different types of transmission interfaces and electrical connectors such as USB3.1Type-C.

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 shortcomings, the inventors have collected relevant information, and through multi-party evaluation and consideration, and through years of experience in the industry, through continuous trial and modification, the USB-type Type-C electrical connection was designed. Inventor of the invention.

The main purpose of the present invention is that the docking module of the electrical connector has an insulating base body, and the insulating conductor body is provided with a metal conductor set, and one side of the metal conductor set is provided with a plurality of exposed surface of the insulating base body. The mating portion and the other side extend a plurality of soldering portions that pass through the outside of the insulating base body, and then the outer surface of the insulating base body is covered with a shield case to form a connector of USB2.0 or USB3.0, and the docking is performed. The module is adapted for active insertion and removal of the adapter module, and the signal-conducting conductor group is disposed in the insulating base of the adapter module, and the signal conductor group can utilize the plurality of side resisting sides and the metal conductor The plurality of mating portions of the group are electrically connected, and the plurality of mating sides of the other side of the signal conductor group extend to one side surface of the insulating base, and form a USB3.1 Type-C type electrical connector on the outer shielded outer casing. Since the docking space of the docking device can be separately connected to the external relative type electrical connector of the specification USB2.0 or USB3.0 for electrical transmission, and the docking device can also be rotated in the docking space. Connected to the device for docking The external relative type electrical connector of the specification USB3.1Type-C is inserted and removed for the electrical transmission operation by using the signal conductor set of the switching device and the metal conductor set of the docking device, thereby achieving various The conversion, variation, and application of type-type electrical connectors are not limited by the application of electrical connectors of different external specifications of electronic products.

A secondary object of the present invention is that the positioning hole of the base of the insulating base is a resistance element provided with an adapter device, and the two ends of the resistance element respectively contact the contact end of the auxiliary transmission conductor side and the main housing of the shielding case The bumps on the bottom surface are electrically conductive, thereby forming a common ground loop, thereby achieving the functions of good anti-static and noise interference.

Another object of the present invention is that the third ground conductor and the fourth ground conductor of the signal conductor set are integrally connected to each other adjacent to the resisting side through the second connecting portion, and the shielding shell can utilize the main casing. The contact piece of the seat is in contact with the surface of the second connecting portion to form a common grounding loop to have good grounding effect, thereby achieving the purpose of improving grounding stability.

1‧‧‧Docking device

10‧‧‧Dock space

11‧‧‧Insulated body

110‧‧‧ slots

111‧‧‧ docking surface

12‧‧‧Metal conductor set

121‧‧‧Metal conductor

1211‧‧‧First differential signal conductor

1212‧‧‧Second differential signal conductor

1213‧‧‧First power conductor

1214‧‧‧First grounding conductor

122‧‧‧Transmission conductor

1221‧‧‧Second grounding conductor

1222‧‧‧ third differential signal conductor

1223‧‧‧4th differential signal conductor

1224‧‧‧ fifth differential signal conductor

1225‧‧‧ sixth differential signal 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

2111‧‧‧through hole

2112‧‧‧Positioning holes

2113‧‧‧ accommodating slots

212‧‧ ‧Tongue

2120‧‧‧ docking slot

22‧‧‧ Signal Conductor Group

221‧‧‧ Signal conductor

2211‧‧‧ seventh differential signal conductor

2212‧‧‧8th differential signal conductor

2213‧‧‧Second power conductor

2214‧‧‧ Third power conductor

2215‧‧‧ Third grounding conductor

2216‧‧‧4th grounding conductor

2217‧‧‧Auxiliary transmission conductor

2218‧‧‧Contact end

222‧‧‧Resistance side

223‧‧‧ docking side

224‧‧‧First connection

225‧‧‧Second connection

23‧‧‧Shielded enclosure

231‧‧‧ main housing

2310‧‧‧Assembly space

2311‧‧‧Contact film

2312‧‧‧Bumps

232‧‧‧Extended cover

2320‧‧‧ docking space

24‧‧‧Resistive components

The first figure is a three-dimensional appearance of the present invention.

The second figure is a perspective exploded view of the present invention.

The third figure is a perspective exploded view of another perspective of the present invention.

The fourth drawing is a side cross-sectional view of the present invention.

The fifth drawing is an exploded perspective view of an embodiment of the present invention.

Figure 6 is a perspective view of the metal conductor set of the present invention.

Figure 7 is a plan view of the metal conductor set of the present invention.

The eighth figure is a perspective view of the signal conductor set of the present invention.

The ninth diagram is a top view of the signal conductor set of the present invention.

In order to achieve the above objects and effects, the technical means, the structure, the method of the implementation, and the like, which are used in the present invention, are described in detail in the preferred embodiments of the present invention.

Please refer to the first, second, third and fourth figures, which are perspective views, perspective exploded views, perspective views of the other perspectives and side cross-sectional views of the present invention. It can be clearly seen from the drawings that the present invention The splicing device 1 includes a splicing device 1 and a splicing device 2, wherein the splicing device 1 includes an insulating base 11 , a metal conductor set 12 , and a shielding case 13 . The insulating base 11 is provided with an abutting surface 111 adjacent to the plurality of slots 110, and a metal conductor set 12 is disposed inside the insulating base 11, and the metal conductor set 12 includes a plurality of metals conforming to the USB2.0 specification. The conductor 121 and the complex metal conductor 121 form a plurality of transmission conductors 122 conforming to the USB 3.0 specification, and the abutting portions 123 exposing the surface of the insulating base 11 are respectively disposed on the side of the metal conductor group 12, and the other sides are respectively provided with the same. The soldering portion 124 of the outer side of the insulating base 11 is disposed, and the abutting portion 123 is located at a side of the plurality of metal conductors 121 and the plurality of transmitting conductors 122, respectively, and is provided with a first abutting portion 1231 and a second butting portion 1232, respectively, and the soldering portion 124 can be located in the plurality of metal conductors 121 and The first soldering portion 1241 and the second soldering portion 1242 are alternately arranged on the other side of the plurality of transmission conductors 122. The first butting portions 1231 of the plurality of metal conductors 121 extend to the mating surface 111 respectively, and the plurality of transmissions are respectively transmitted. Each of the second abutting portions 1232 of the conductors 122 extends into each of the slots 110, and the shield housing 13 is covered on the outside of the insulating base 11 and the metal conductor group 12, and the inside of the shield housing 13 is hollow. The accommodating space 130 accommodates the insulating base 11 to be combined with the accommodating space 130 of the shield case 13 by the insulating base 11 and the metal conductor set 12 to form a type electrical connector conforming to a predetermined specification. The plug-in space 10 of the universal serial bus type USB2.0 or USB3.0).

The switching device 2 includes an insulating base 21, a signal conductor set 22, a shielding case 23 and a resistive element 24. The insulating base 21 has a base portion 211, and a plurality of through holes 2111 are longitudinally penetrated on the surface of the base portion 211. And a positioning hole 2112 at a side of the plurality of through holes 2111, and a recessed receiving groove 2113 is formed inwardly on the side of the base 211, and the base portion 211 is assembled with an elliptical tongue 212 on the other side. A plurality of signal conductors 221 are disposed in the inner portion of the tongue portion 212, and the signal conductor group 22 is disposed in the insulating base 21. The signal conductor group 22 extends from the plurality of through holes 2111. The other side of the insulating base 21 has a resisting side 222, and the other side of the insulating base 21 is covered with a shielding shell 23, which is shielded from the outer side of the insulating base 21. The outer casing 23 has a main housing 231 in the shape of a cymbal, and an assembly space 2310 for covering the outside of the base 211 is disposed in the main housing 231, and a contact piece extending downward is provided on one surface side of the main housing 231. 2311, and the other side of the main housing 231 is provided with a raised bump 2312 facing downward, and then An extended shell cover 232 having an elliptical shape is connected to one side of the shell 231, and an abutting space 2320 through which the tongue portion 212 is inserted is formed inside the extending shell cover 232, and the resistive element 24 is a positioning hole 2112 positioned at the base portion 211. The two ends of the resistive element 24 are in contact with the signal conductor group 22 and the bump 2312 of the main housing 231, thereby forming an electrical connector conforming to a predetermined pattern (which can be in accordance with the universal serial bus type USB3.1Type- C].

When the components of the present invention are assembled and applied, the docking space 10 of the docking device 1 can be used for the movable insertion and removal of the adapter device 2, so that the base portion 211 of the insulating base 21 is inserted into the docking space 10. A positioning, at this time, the bottom surface of the base portion 211 is exposed to the resisting side 222 of the signal conductor group 22, that is, the positional electrical contact with the surface of the plurality of first butting portions 1231 of the plurality of mating portions 123 of the metal conductor group 12, and the plurality of mating portions The second abutting portion 1232 of the 123 is located in the accommodating groove 2113 on the side of the base portion 211 to be in a position to form the electrical connector of the present invention by the docking device 1 and the adapter device 2.

Referring to the fifth, sixth, seventh, eighth, and ninth drawings, the perspective view of the embodiment of the present invention, the three-dimensional appearance of the metal conductor set, the top view of the metal conductor set, and the three-dimensional appearance of the signal conductor group and A top view of the signal conductor set, as is clear from the figure, the metal conductor set 12 of the docking device 1 comprises four metal conductors 121 conforming to the universal serial busbar (USB2.0) specification, and with four metal conductors 121. The five transmission conductors 122 conform to the universal serial bus (USB3.0) specification, wherein the four metal conductors 121 include a first differential signal conductor 1211 and a second differential signal conductor 1212 which are arranged adjacent to each other in the center and are located at the a differential signal conductor 1211, a first power conductor 1213 on the outer side of the second differential signal conductor 1212, and a first ground conductor 1214, and the five transmission conductors 122 are a second ground conductor 1221 including a center, and are located at the second ground conductor 1221. The third outer differential signal conductor 1222, the fourth differential signal conductor 1223, the fifth differential signal conductor 1224, and the sixth differential signal conductor 1225.

The signal conductor group 22 of the switching device 2 includes seven signal conductors 221 having adjacent seventh differential signal conductors 2211 and eighth differential signal conductors 2212, and is located at the seventh differential signal conductor 2211 and the eighth differential. A second power conductor 2213 and a third power conductor 2214 are respectively disposed at two outer sides of the signal conductor 2212, and third ground conductors 2215 and fourth ground conductors are respectively disposed at two outer sides of the second power conductor 2213 and the third power conductor 2214. 2216, the second power conductor 2213 and the third power conductor 2214 are adjacent to the side of the resisting side 222 so as to be integrated through the first connecting portion 224, and the third ground conductor 2215 and the fourth ground conductor 2216 are adjacent to each other. The side of the resisting side 222 is integrally formed by the second connecting portion 225, and the contact portion 2311 of the main housing 231 of the shielding case 23 is electrically contacted on the surface of the second connecting portion 225 to form a common ground loop. And an auxiliary transmission conductor 2217 having an antistatic and noise interference (OTG) function is disposed between the eighth differential signal conductor 2212 and the third power conductor 2214, and the auxiliary transmission conductor 2217 is formed with a resistance element. 24, the contact end 2213 of the electrical contact is formed, and the insulating base 21, the shielding shell 23 and the resistive element 24 can be matched by the signal conductor group 22 of the switching device 2 to conform to the universal serial busbar (USB3.1Type-C). The electrical connector is used for a computer, a notebook computer, a multimedia player or a smart phone, and a flash drive, a multimedia storage device, a mouse, a keyboard, etc. that expands the electrical connection to peripheral electronic products.

Please refer to the second, third, fourth and fifth figures, which are perspective exploded views of the present invention, exploded perspective view of another perspective, side cross-sectional view, and perspective exploded view of the embodiment, and the electrical connector of the present invention. When the application is implemented, the docking device 1 and the switching device 2 can be pulled out relatively outward, so that the docking device 1 can pass through the docking space 10 for the external electrical connector of the relative type specification (which can conform to the universal serial convergence) The type of USB2.0 or USB3.0 is not electrically connected, and the metal of the docking device 1 is electrically connected if the relative type of the predetermined connector is USB 2.0 The conductor set 12 is for transmitting electronic signals by using a plurality of metal conductors 121 conforming to the USB 2.0 specification, and if the corresponding type of predetermined electrical connectors of the USB 3.0 specification are electrically plugged, the docking device 1 thereof The metal conductor group 12 uses the plurality of metal conductors 121 and the plurality of metal conductors 121 to form a plurality of transmission conductors 122 conforming to the USB 3.0 standard for transmission on the electronic signals.

When the switching device 2 is inserted into the docking space 10 of the docking device 1, the signal conductor group 22 of the switching device 2 is electrically connected to the metal conductor group 12 of the docking device 1, and the switching device 2 The electrical connector of the USB3.1Type-C specification is formed by the tongue 212 of the insulating base 21, the mating side 223 of the signal conductor set 22 and the extended cover 232 of the shielding case 23 for the specification of USB3.1Type-C The externally opposed type electrical connectors (not shown) are relatively inserted and removed, whereby the signal conductor set 22 of the switching device 2 and the metal conductor set 12 of the docking device 1 are electronically transmitted.

The present invention has the following advantages:

(1) The external space type connector of the docking device 10 of the docking device 1 can be separately plugged into an external relative type electrical connector of the specification USB2.0 or USB3.0 for electrical transmission operation, and the docking device 1 is plugged. The space 10 can be inserted and used with the adapter device 2 to perform relative plugging and unplugging of the external relative type electrical connector of the USB3.1Type-C by the switching device 2, and the signal of the switching device 2 is utilized. The conductor set 22 and the metal conductor set 12 of the docking device 1 are electrically transmitted, thereby achieving the conversion and variation of the various types of electrical connectors of the present invention for implementation of different types of electrical connectors for various purposes. The application, which increases the multiple selection effects of the electrical connector when implementing the application, is not easily limited by the application of the external electrical connector of different specifications of the electronic product.

(2) The resistive element 24 of the switching device 2 is disposed in the positioning hole 2112 of the base portion 211 of the insulating base 21, and the two ends of the resistive element 24 are respectively in contact with the contact end 2218 on the side of the auxiliary transmission conductor 2217 and shielded The bump 2312 of the bottom surface of the main casing 231 of the outer casing 23 is electrically connected, and the auxiliary transmission conductor 2217 can omit the use of welding, and the grounding circuit is formed by the transmissive resistor element 24 and the shield casing 23, thereby achieving good Anti-static and noise interference.

(3) The third grounding conductor 2215 and the fourth grounding conductor 2216 of the signal conductor group 22 are adjacent to the side of the resisting side 222 so as to be integrated through the second connecting portion 225, and the shielding shell 23 can utilize the main The contact piece 2311 of the housing 231 is in contact with the second connection portion 225 to form a common ground circuit, and the third ground conductor 2215 and the fourth ground conductor 2216 do not need to be formed separately from the main housing 231 of the shielding case 23. In electrical contact, the main housing 231 only needs to contact the second connecting portion 225 to make the third grounding conductor 2215 and the fourth grounding conductor 2216 have good grounding effects at the same time, so as to improve the grounding stability.

Therefore, the above description is only a preferred embodiment of the present invention, and is not limited to the patent scope of the present invention. The electrical connector structure of the present invention can utilize the insulating base 11 and the metal conductor set 12 of the docking device 1. And shielding the casing 13 to form a plug-in space 10 conforming to a predetermined type of USB2.0 or 3.0 specification, for separately connecting the preset type of predetermined electrical connectors to each other, or matching the specification to a USB3.1 Type-C transfer The device 2 is movably inserted into the docking space 10 of the docking device 1 by the base 211 of the insulating base 21, so that the docking device 1 of the USB 2.0 or 3.0 specification can be connected to the outside through the switching device 2 The USB3.1Type-C electrical connector of the type performs the effect of electrical transmission, thereby achieving the utility of multi-functionality and multi-purpose. Therefore, the structure and device which can achieve the aforementioned effects are all covered by the present invention, and the simple modification and Equivalent structural changes shall be included in the scope of the patent of the present invention and shall be combined with Chen Ming.

In summary, the USB-converted Type-C electrical connector of the present invention can achieve its efficacy and purpose in practical implementation and application. Therefore, the present invention is an excellent research and development, and is in conformity with the invention 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 hard work of the inventor. If there is any doubt in the audit committee, please do not hesitate to give instructions to the inventor, and the inventor will try his best to cooperate.

Claims (13)

 The utility model relates to a USB-converted Type-C electrical connector, which comprises a docking device and an adapter device, wherein: the docking device is provided with an insulating seat body through which a metal conductor group is disposed, and one side of the metal conductor group is respectively provided with an exposed insulating seat. The abutting portion of the body side surface, and the metal conductor group is respectively provided with a welding portion passing through the other side of the insulating seat body at the other side of the butting portion, and then the outer cover of the insulating seat body and the metal conductor group is covered for formation. a shield housing of a plug-in space of a universal serial busbar specification; the adapter device is for active insertion and removal of a docking space located in the docking device, the adapter device is provided with an insulating base, and the insulating base has an activity The base portion is inserted and removed in the insertion space, and the base portion is provided with the tongue portion on the other side, and the butt notch is formed inside the tongue portion, and the metal conductor group for the docking device is disposed inside the insulating base. The signal conductor group is electrically conductive, and is provided on the side of the signal conductor group with the outer side of the signal conducting portion and the plurality of abutting portions of the metal conductor group electrically resisting, and the other side of the signal conductor group is facing The extension of the tongue is exposed Then the docking side of the notch, and then the insulating base, the outer cover set signal conductor is formed is covered with the shield case for compliance with universal serial bus type of USB3.1Type-C.    The USB-type Type-C electrical connector according to the first aspect of the patent application, wherein the docking space of the docking device conforms to the specification of the universal serial busbar is USB2.0 or USB3.0.    The electrical connector of the USB-converted Type-C according to the first aspect of the invention, wherein the insulative housing of the docking device is longitudinally provided with a plurality of slots, and the insulating base is adjacent to a side of the plurality of slots. a mating surface, the metal conductor set comprising a plurality of metal conductors conforming to the USB 2.0 specification and a plurality of metal conductors forming a plurality of transmission conductors conforming to the USB 3.0 specification, wherein the butting portions of the metal conductor sets are located at one side of the plurality of metal conductors a first abutting portion respectively extending to the mating surface and contacting the resisting side of the signal conductor group, and the abutting portion is disposed at a side of the plurality of transmission conductors with a second abutting portion of each of the slots, and the metal conductor group The welding portion is located at the other side of the plurality of metal conductors and the plurality of transmission conductors, and is provided with a first welding portion and a second welding portion which are adjacently arranged in a staggered manner.    The USB-connected Type-C electrical connector according to claim 1, wherein the metal conductor set of the docking device comprises four metal conductors conforming to the universal serial bus USB2.0 specification, and four metal conductors are matched. To meet five transmission conductors of the universal serial bus USB3.0 specification, and the four metal conductors include a first differential signal conductor, a second differential signal conductor, and a first differential signal conductor located adjacent to each other in the center. a first power conductor and a first ground conductor on the outer side of the two differential signal conductors, and the five transmission conductors are a second ground conductor including a center, a third differential signal conductor outside the second ground conductor 2, and a fourth differential signal Conductor, fifth differential signal conductor and sixth differential signal conductor.    The USB-connected Type-C electrical connector of claim 1, wherein the base surface of the insulating base is longitudinally provided with a plurality of through holes through which the resisting side of the signal conductor group passes.    The electrical connector of the USB-converted Type-C according to the first aspect of the invention, wherein a surface of the base of the insulating base is longitudinally provided with a positioning hole, and a resistance element is disposed in the positioning hole, and the transfer is performed. The signal conductor set of the device comprises an auxiliary transmission conductor with an OTG function, and a contact end for making electrical contact with the resistance element is formed on one side of the auxiliary transmission conductor, and the other side of the main housing surface is disposed downward. A bump for making electrical contact with the resistive element.    The USB-connected Type-C electrical connector of claim 1, wherein the signal conductor set of the switching device comprises seven signal conductors having adjacent seventh differential signal conductors and eighth differentials. a signal conductor, and a second power conductor and a third power conductor are respectively disposed outside the second differential signal conductor and the eighth differential signal conductor, and respectively disposed at the outer side of the second power conductor and the third power conductor a grounding conductor and a fourth grounding conductor, wherein the second power conductor and the third power conductor are adjacent to the side of the resisting side and are integrally connected through the first connecting portion, and the third grounding conductor and the fourth grounding conductor are adjacent to each other. An auxiliary transmission conductor having an OTG function is disposed between the eighth differential signal conductor and the third power supply conductor at a side of the resisting side, and an auxiliary transmission conductor having an OTG function is disposed between the eighth differential signal conductor and the third power supply conductor, and the main housing surface of the shielding housing is A contact piece extending downwardly for making electrical contact with the surface of the second connecting portion is provided at one side.    The USB-connected Type-C electrical connector of claim 1, wherein the shielding device has a main housing and an assembly space for covering the outside of the base in the main housing. And an extension cover is further connected to one side of the main housing, and an inner space for the tongue to penetrate is formed inside the extension cover.    A USB-switched Type-C electrical connector includes an adapter device, wherein: the adapter device includes an insulating base, a signal conductor set, and a shielding case, wherein the insulating base has a base and is on a base side a tongue is provided outwardly, and a butt notch is formed in the inner portion of the tongue, and a signal conductor group for electrically conducting the metal conductor group with the docking device is disposed inside the insulating base, and the signal conductor group is disposed on the signal conductor group One side is provided with a resisting side which is outside the base and is electrically resistive to the plurality of abutting portions of the metal conductor set, and the other side of the signal conductor set extends toward the tongue and has abutting side exposed in the butting notch, and then The outer cover of the insulating base and the signal conductor set is covered with a shielded casing for forming a USB 3.1 Type-C conforming to the universal serial bus.    The USB-connected Type-C electrical connector of claim 9, wherein the base surface of the insulating base is longitudinally provided with a plurality of through holes through which the resisting side of the signal conductor group passes.    The USB-connected Type-C electrical connector of claim 9, wherein the base surface of the insulating base is longitudinally provided with a positioning hole, and a resistance element is disposed in the positioning hole, and the transfer is performed. The signal conductor set of the device comprises an auxiliary transmission conductor with an OTG function, and a contact end for making electrical contact with the resistance element is formed on one side of the auxiliary transmission conductor, and the other side of the main housing surface is disposed downward. A bump for making electrical contact with the resistive element.    The USB-connected Type-C electrical connector of claim 9, wherein the signal conductor set of the switching device comprises seven signal conductors having adjacent seventh differential signal conductors and eighth differentials. a signal conductor, and a second power conductor and a third power conductor are respectively disposed outside the second differential signal conductor and the eighth differential signal conductor, and respectively disposed at the outer side of the second power conductor and the third power conductor a grounding conductor and a fourth grounding conductor, wherein the second power conductor and the third power conductor are adjacent to the side of the resisting side and are integrally connected through the first connecting portion, and the third grounding conductor and the fourth grounding conductor are adjacent to each other. An auxiliary transmission conductor having an OTG function is disposed between the eighth differential signal conductor and the third power supply conductor at a side of the resisting side, and an auxiliary transmission conductor having an OTG function is disposed between the eighth differential signal conductor and the third power supply conductor, and the main housing surface of the shielding housing is A contact piece extending downwardly for making electrical contact with the surface of the second connecting portion is provided at one side.    The USB-connected Type-C electrical connector of claim 9, wherein the shielding device has a main housing and an assembly space for covering the outside of the base in the main housing. And an extension cover is further connected to one side of the main housing, and an inner space for the tongue to penetrate is formed inside the extension cover.