CN204835137U - Switching device of USB electric connector - Google Patents

Abstract

The utility model discloses a USB electrical connector transfer device. The two opposite surfaces of the transfer part of the electrical connector are provided with a plurality of metal contacts on one side, and a transmission interface is provided on the other side surface, and is close to multiple metal contacts. A positioning seat is assembled on the outside of each metal contact, allowing the connecting portions on one side of the plurality of terminals in the terminal group to be electrically connected to the plurality of metal contacts. The butting portions on the other sides of the plurality of terminals expose each terminal slot of the positioning seat. In addition, the adapter part is covered with the shell part of the shielding case, and one side of the adjacent shell part is connected with an extended shell base covering the positioning seat, so that the adapter part can be positioned in the assembly space of the shielding case. , and the transmission interface provided on the other side surface of the adapter part complies with USB type specifications, so that the electrical connector can transfer electronic signals or power from the terminal set on one side of the adapter part through the transmission interface on the other side. Purpose of transmission.

Description

Adapter for USB electrical connector

technical field

The utility model relates to a switching device for a USB electrical connector, especially an electrical connector switching device capable of switching electronic signals. One side of the switching part is used to electrically connect terminal groups through a plurality of metal contacts, and the other There is a transmission interface on the side, and the shielding shell is covered on the transfer part, so as to achieve the purpose that the electrical connector can transfer electronic signals or power.

Background technique

With the advancement of electronic technology, many electronic and electrical products bring people comfort and convenience in work and life, and also lead people to rely more and more on the use of electronic and electrical products. Through the application and operation of various electronic signals, To control the work and execution of electronic and electrical products, and because of the continuous improvement of various electronic and electrical products, the functions of various electronic and electrical products must also be continuously updated and replaced. Through the application of electronic signals, the control of electronic, The work and execution capabilities of electrical products, and the speed of electronic signal transmission are also constantly improving. Various transmission interfaces, electrical connectors, etc. must be used for electronic signal transmission between electronic products, and the interface of electronic signal transmission is also constantly improving. Improvement to improve the type and quality of the interface for transmitting signals, the type and quality of electrical connectors, and the speed of transmitting electronic signals, but there are quite a lot of types and types of various electronic signal transmission interfaces, and the size specifications of various signal transmission interfaces and electrical connectors There are also differences, and the modes of transmitting electronic signals are also different. Many types of transmission interfaces and electrical connectors must be installed on electronic products to meet the needs of electronic products for various electronic signal transmissions. Therefore, various electronic products must be installed. Only when there is enough space can various types of transmission interfaces and electrical connectors be installed.

However, as the volume of various electronic products is designed towards light, thin, short, and small modes, such as commonly used smart phones, tablet computers, desktop computers or notebook computers, etc., the limited volume size that electronic products can use In the space, if it is installed in conjunction with various types of transmission interfaces to facilitate electronic signal transmission, it will occupy the internal circuit layout space of the electronic product and the surrounding space of the body, resulting in the circuit layout of the electronic product and the space of the body. Insufficient for use, so it is impossible to install multiple electrical connectors in the limited space of electronic products, and the specifications of the electrical connectors will be limited during use, causing inconvenience to users.

As shown in Figure 9, the exterior of the insulating base B and one side of the base B1 of the USB electrical connector A provided by this utility model patent covers the shielding case C and the housing C1 respectively, and because the housing C1 completely covers On the periphery of the base B1, the USB electrical connector A can be plugged in with the opposite type of socket electrical connector D, and can also be connected to the opposite type of micro socket through the micro-shaped electrical connector B3 located in the shell C1. The electrical connector (not shown in the drawing) is electrically plugged in, but when the USB electrical connector A and the socket electrical connector D are relatively plugged in, the power transmission terminal inside the socket electrical connector D will first contact the surface of the housing C1 After that, it will be in electrical contact with the power terminal B2 of the insulating base B, but when the power terminal B2 first touches the surface of the housing C1, the instantaneous high current (or high voltage) burst phenomenon of the power terminal B2 will occur, which will lead to electrical failure. The electronic signal and power transmission between connectors A and D are unstable, and it is easy to cause a short circuit between the electrical connectors, and the micro-shaped electrical connector B3 is integrally formed on one side of the USB electrical connector A. It is easy to cause some interference and obstruction when the USB electrical connector A and the socket electrical connector D are relatively inserted; and the USB electrical connector A is provided with different types of USB specification electrical connectors on the same side (it can be USB2. USB3.0 and MicroUSB or MiniUSB, etc.), but can only be used for a single type of electronic signal transmission application, and cannot perform electronic signal transfer and transmission, that is, there is still room for improvement in practical applications.

Therefore, how to solve the problem that the current electrical connector can only be used for a single type of application. Different types of electrical connectors must be supplied with different specifications of electrical connectors, which causes problems and troubles that are quite inconvenient to use. And different specifications of electrical connectors Connectors are not easy to communicate with each other. Various types of electrical connectors must be available to meet various electronic device applications. The troubles and deficiencies such as increased costs and uneconomic benefits are urgently needed by relevant manufacturers engaged in this industry to study and improve. direction.

Utility model content

In view of the above-mentioned problems and deficiencies, the inventor of this case collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification, he designed this kind of power supply connector through two The terminal group of predetermined specifications and types on the side and the transfer part carry out the transfer and transmission of electronic signals, and the transfer device of the USB electrical connector with multiple application modes for the power supply connector.

The main purpose of this utility model is that the two opposite surfaces on one side of the transfer part of the electrical connector are provided with a plurality of metal contacts, the other side surface is provided with a transmission interface, and a positioning device is assembled near the outer side of the plurality of metal contacts The seat can electrically connect the connecting parts of one side of multiple terminals in the terminal group to multiple metal contacts, and the docking part of the other side of multiple terminals is exposed outside the terminal groove of the positioning seat, and then the shielding is covered on the outer cover of the transfer part The shell part of the shell, and the adjacent shell part is provided with an extended shell seat covering the outside of the positioning seat, so that the transfer part is positioned in the assembly space of the shielding case, and the transfer part on one side The transmission interface and the shielding shell form a specification that conforms to the type of Universal Serial Bus (USB2.0 or USB3.0, etc.), so that the electrical connector can perform electronic signals or The purpose of transfer and transmission of power, etc.

The secondary purpose of this utility model is that the transfer part in the USB electrical connector includes a circuit board and a limit seat stacked above the circuit board, and two opposite surfaces on one side of the circuit board are respectively provided with a plurality of metal contacts A transmission interface is provided on the other side of the circuit board opposite to the plurality of metal contacts, and then a limited seat is stacked on the circuit board between the plurality of metal contacts and the transmission interface.

Another purpose of the present utility model is that the USB electrical connector is provided with an insulating substrate under the circuit board in the transfer part, and an inwardly recessed embedding groove is provided on one side of the insulating substrate, and the embedding groove is Assemble the positioning seat, the positioning seat includes two opposite terminal seat plates, and the outside of the two terminal seat plates are respectively covered with metal cover plates, and a raised part is protruded on the opposite inner side of the two terminal seat plates for the two terminals A docking space is formed on the inner side of the seat plate, and a partition is set between the two raised parts, and positioning terminals are installed on both sides of the partition, so that two terminal seat plates can be used for multiple terminals in the terminal group to pass through. It is provided that the butt joint portions on one side of the plurality of terminals respectively extend to expose the joint space between the two terminal seat plates, and the connection portions on the other side of each terminal respectively extend out of the two terminal seat plates.

Another purpose of this utility model is that the USB electrical connector is provided with an embedding groove inwardly on one side of the insulating substrate, and then assembles an outwardly protruding tongue at the embedding groove, and accommodates it inside the tongue. The space is provided with a positioning seat, and the positioning seat is used for a plurality of terminals of the terminal group to pass through, so that the butt joint part on one side of the terminal group extends to the outside of the terminal groove exposed from the positioning seat and extends to the position of the docking notch of the tongue. The connecting parts on the other side of the multiple terminals pass through the outside of the positioning seat and extend to the embedding grooves of the insulating substrate, so that the connecting parts of the multiple terminals are electrically connected to the transfer part at the embedding grooves A plurality of metal contacts on the circuit board are covered with the shell part of the shielding shell at the adapter part, and then the extended shell seat connected to one side of the shell part is covered outside the positioning seat, so that the extended shell seat and the positioning seat are covered. The positioning seat and the terminal group constitute an electrical connector conforming to the USB Type-C specification, and the transmission interface on the other side of the circuit board of the shell part and the transfer part constitutes a type conforming to the USB electrical connector (USB2.0 or USB3.0, etc.) Specifications, to transfer and transmit electronic signals or power through different types of electrical connector specifications on both sides.

Another object of the present utility model is that the USB electrical connector is provided with a terminal group inside the positioning seat on the side of the circuit board of the transfer part, and each connecting part of a plurality of terminals in the terminal group is electrically connected to the A plurality of metal contacts on one side of the circuit board, the terminal group includes a plurality of terminals arranged oppositely up and down, and the twelve upper-row terminals located in the upper row include a first ground terminal and a second ground terminal located on two opposite outer sides, The first high-speed positive differential pair signal terminal, the first high-speed negative differential pair signal terminal, the first power supply terminal, the first spare terminal, the second high-speed positive differential pair signal terminal, and the second high-speed positive differential pair signal terminal are arranged in sequence on the inner side of the adjacent first ground terminal. The second high-speed negative differential pair signal terminal, the second spare terminal, the third power supply terminal, the third high-speed positive differential pair signal terminal, and the second high-speed negative differential pair signal terminal; The third ground terminal and the fourth ground terminal are relatively outside, and the inner side adjacent to the third ground terminal is arranged in sequence with the fourth high-speed negative differential pair signal terminal, the fourth high-speed positive differential pair signal terminal, the third power supply terminal, the third The spare terminal, the fifth high-speed negative differential pair signal terminal, the fifth high-speed positive differential pair signal terminal, the fourth spare terminal, the fourth power supply terminal, the sixth high-speed negative differential pair signal terminal, and the sixth high-speed positive differential pair signal terminal.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is the perspective view of another direction of the utility model;

Fig. 3 is a three-dimensional exploded view of the utility model;

Fig. 4 is a three-dimensional appearance view of the terminal group in the present invention.

Fig. 5 is a side view sectional view of the utility model;

Figure 6 is a three-dimensional appearance view of a preferred embodiment of the present invention;

Figure 7 is an exploded perspective view of a preferred embodiment of the present invention;

Fig. 8 is a side sectional view of a preferred embodiment of the present invention;

FIG. 9 is an exploded perspective view of a conventional electrical connector.

Explanation of reference signs: 1-transition part; 10-plugging space; 11-circuit board; 111-metal contact; 12-transmission interface; 121-transmission terminal; 1211-fourth power terminal; 1212-fifth grounding terminal ; 1213-first differential signal terminal; 1214-second differential signal terminal; 1215-third differential signal terminal; 1216-sixth differential signal terminal; 1217-fifth power supply terminal; 1218-seventh differential signal terminal; 1219- Eighth differential signal terminal; 122-insulating seat plate; 123-welding side; 13-limiting seat; 130-content slot; 14-positioning seat; 140-terminal groove; 141-terminal seat plate; 143-Tongue plate; 144-Separator; 1441-Protruding rib; 145-Positioning terminal; 1451-Interference side; 146-Metal cover plate; 15-Insulation substrate; 160-Accommodating space; 161-Docking slot; 162-Snap slot; 2-Terminal group; 200-Top terminal; 2001-First ground terminal; 2002-First high-speed positive differential pair signal terminal; 2003 -The first high-speed negative differential pair signal terminal; 2004-the first power supply terminal; 2005-the first spare terminal; 2006-the second high-speed positive differential pair signal terminal; 2007-the second high-speed negative differential pair signal terminal; 2008-the second Spare terminal; 2009-the second power terminal; 2010-the third high-speed positive differential pair signal terminal; 2011-the third high-speed negative differential pair signal terminal; 2012-the second grounding terminal; 21-terminal; 210-lower row terminal; 2101 -The third ground terminal; 2102-the fourth high-speed negative differential pair signal terminal; 2103-the fourth high-speed positive differential pair signal terminal; 2104-the third power supply terminal; 2105-the third spare terminal; 2106-the fifth high-speed negative differential pair Signal terminal; 2107-signal terminal of the fifth high-speed positive differential pair; 2108-fourth spare terminal; 2109-fourth power supply terminal; 211-docking part; 2110-signal terminal of the sixth high-speed negative differential pair; Differential pair signal terminal; 2112-the fourth grounding terminal; 212-connecting part; 3-shielding shell; 31-shell part; 310-assembly space; ; B-insulation seat body; B1-base; B2-power terminal; B3-miniature electrical connector; C-shielding shell; C1-shell seat.

Detailed ways

In order to achieve the above-mentioned purpose and effect, the technical means adopted by the utility model, its structure, and the method of implementation, etc., are hereby drawn to illustrate in detail the features and functions of the preferred embodiments of the utility model as follows.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, they are respectively the three-dimensional appearance diagram of the present utility model, the three-dimensional appearance diagram in another direction, the three-dimensional exploded view, the three-dimensional appearance diagram and the side sectional view of the terminal group , it can be clearly seen from the figure that the USB electrical connector provided by the utility model includes a transfer part 1, a terminal group 2 and a shielding shell 3, wherein:

The adapter part 1 is respectively provided with a plurality of metal contacts 111 on two opposite surfaces on one side of the circuit board 11, and then provided with a transmission interface 12 on the other surface of the circuit board 11 opposite to the plurality of metal contacts 111, then A limit seat 13 is placed above the circuit board 11 between the multiple metal contacts 111 and the transmission interface 12, and a content groove 130 is recessed downward on one side of the limit seat 13 close to the multiple metal contacts 111. A positioning seat 14 is assembled on one side of the circuit board 11 close to the plurality of metal contacts 111. The positioning seat 14 includes two opposite terminal seat plates 141, and is respectively protruded on the inner side of the two opposite terminal seat plates 141. The raised part 142 can respectively form a separate and raised docking space 1410 on the inner side of the two terminal seat plates 141 through the two raised parts 142, and a tongue plate can be extended from one side of the two raised parts 142 143, a plurality of terminal grooves 140 are respectively provided in the two tongue plates 143, and a partition plate 144 is fixed between the raised parts 142 of the two terminal seat plates 141, and the two sides of the partition plate 144 are inclined outward respectively. There are protruding ribs 1441 extending in the direction, so that the positioning terminals 145 are respectively assembled through the two protruding ribs 1441, and cantilever-shaped interference sides 1451 are protruded on the opposite inner sides of the two positioning terminals 145, and the two terminal seat plates 141 are respectively positioned on the inner side of the two positioning terminals 145. The opposite outer surface is covered with a metal cover plate 146, and an insulating substrate 15 can be placed under the circuit board 11 opposite to the limit seat 13, and then an inwardly recessed embedding groove 150 is provided on one side of the insulating substrate 15, and the embedding groove 150 is assembled with a tongue 16, so that the tongue 16 protrudes from the outside of the insulating substrate 15, and a hollow-shaped accommodation space 160 is provided in the tongue 16, and the accommodation space 160 communicates with the embedding groove 150, and then in One side of the space 160 is provided with a docking notch 161 penetrating to the outside.

The terminal set 2 includes a plurality of terminals 21 arranged up and down, one side of the plurality of terminals 21 is respectively provided with a butt joint portion 211 extending toward the opposite inner side, and the other side of the plurality of terminals 21 is provided with a connecting portion 212, and The abutting portions 211 and the connecting portions 212 on both sides of the plurality of terminals 21 are respectively bent and raised in opposite directions.

The shielding case 3 includes a rectangular shell portion 31, and a hollow assembly space 310 is provided inside the shell portion 31, and an extension shell seat 32 is connected to one side of the shell portion 31, and an extension space is provided inside the extension shell seat 32. 320 , the extension space 320 penetrates to the assembly space 310 of the shell portion 31 .

When the above-mentioned components are assembled, the positioning seat 14 can be assembled on the outside of the plurality of metal contacts 111 on the side of the circuit board 11 in the adapter part 1, and the positioning seat 14 can be assembled with a plurality of terminal grooves 140 on the two opposite terminal seat plates 141. Multiple terminals 21 in the terminal group 2 can be passed through, and the docking parts 211 on one side of the multiple terminals 21 are respectively exposed outside the terminal grooves 140 and extend into the docking spaces 1410 on the opposite inner sides of the two terminal seat plates 141 The positioning terminals 145 on both sides of the two terminal seat plates 141 also respectively extend into the docking space 1410 by using the conflicting sides 1451 and are located on both sides of the docking part 211 of the multiple terminals 21, and the connections on the other side of the multiple terminals 21 The parts 212 respectively pass through the outer sides of the two terminal seat plates 141 and are arranged in a coplanar manner, and can be used for the docking parts 211 of multiple terminals 21, the docking space 1410 of the two terminal seat plates 141, and the positioning of the two positioning terminals 145. The conflicting sides 1451 are respectively located between the two opposite metal cover plates 146, and can be covered with the shielding case 3 outside the adapter portion 1, so that the adapter portion 1 is stably fixed in the assembly space 310 of the shell portion 31, Then the extension space 320 inside the extension shell seat 32 on one side of the shell part 31 is used for the positioning seat 14 to be embedded, and then the terminals 21 of the terminal group 2 assembled inside the two terminal seat plates 141 of the positioning seat 14, that is, each terminal with each docking part 211 and the two seat plates 14 are installed in the extension space 320 of the extension housing 32, and the connecting parts 212 on the other side of the plurality of terminals 21 are respectively arranged in a coplanar manner and electrically connected to the adapter The metal contacts 111 on the two surfaces of one side of the circuit board 11 in part 1 (the number of terminals 21 and the plurality of metal contacts 111 are the same), so as to achieve a coplanar stable electrical connection mode, which can be received by the circuit board 11. The electronic signal or power supply of each terminal 21 is transmitted through the transmission interface 12 on the other side of the circuit board 11, so that the USB electrical connector of the present invention can be composed of the adapter part 1, the terminal group 2 and the shielding case 3. the switching device.

Moreover, the above-mentioned adapter part 1 is provided with an insulating substrate 15 under the circuit board 11, and the insulating substrate 15 is recessed with an embedding groove 150 on one side, and a tongue 16 can be integrally formed at the embedding groove 150, Or stick the tongue 16 to the outer side of the embedding groove 50 of the insulating substrate 15 with glue, or use the tongue 16 to fasten the insulating substrate 15 on both sides of the embedding groove 150 with the fastening groove 162 on one side, etc. For various assembly methods, the tongue plate 16 is fixed at the embedding groove 150 of the insulating substrate 15 and protrudes outward, and the hollowed-out accommodating space 160 in the tongue 16 is connected with the embedding groove 150. The circuit board 11 in the adapter part 1 stacked on the insulating substrate 15 extends from a plurality of metal contacts 111 on the two surfaces of one side of the circuit board 11 to the position above the embedding groove 150, and then passes through the tongue 16. The positioning seat 14 is assembled in the accommodating space 160, and the plurality of terminals 21 in the terminal group 2 pierced in the positioning seat 14 respectively extend to the embedding groove 150 with each connecting part 212 on one side, and can be opposite to each other by being up and down. The plurality of connecting portions 212 arranged in parallel are electrically connected to the plurality of metal contacts 111 on two surfaces of the circuit board 11 .

Also, the plurality of terminals 21 in the above-mentioned terminal group 2 includes twelve upper-row terminals 200 and twelve lower-row terminals 210 arranged up and down oppositely, and the twelve upper-row terminals 200 located in the upper row include the second ones located on two relatively outer sides. A ground terminal 2001 and a second ground terminal 2012. Adjacent to the inner side of the first ground terminal 2001, there are sequentially arranged first high-speed positive differential pair signal terminals 2002 and second high-speed negative differential pair signal terminals in the direction of the second ground terminal 2012. 2003, the first power supply terminal 2004, the first spare terminal 2005, the second high-speed positive differential pair signal terminal 2006, the second high-speed negative differential pair signal terminal 2007, the second spare terminal 2008, the second power supply terminal 2009, the third high-speed positive The differential pair signal terminal 2010 and the third high-speed negative differential pair signal terminal 2011; while the twelve lower-row terminals 210 opposite to the twelve upper-row terminals 200 include the third ground terminal 2101 and the fourth ground terminal 2112 located on the two opposite outer sides. Adjacent to the inner side of the third ground terminal 2101 and toward the fourth ground terminal 2112, there are sequentially arranged the fourth high-speed negative differential pair signal terminal 2102, the fourth high-speed positive differential pair signal terminal 2103, the third power supply terminal 2104, the third spare Terminal 2105, the fifth high-speed negative differential pair signal terminal 2106, the fifth high-speed positive differential pair signal terminal 2107, the fourth spare terminal 2108, the fourth power supply terminal 2109, the sixth high-speed negative differential pair signal terminal 2110, and the sixth high-speed positive differential pair For the signal terminals 2111, the twelve-row terminals 200 and the twelve lower-row terminals 210 can cooperate with the two conflicting sides 1451 of the positioning terminals 145 on both sides of the positioning seat 14, so as to form a model conforming to the Universal Serial Bus (USB Type-C type), that is, It can be used for the transmission of electronic signals by the USB electrical connector.

The plurality of terminals 21 in the above-mentioned terminal group 2 can utilize twelve upper-row terminals 200 , twelve lower-row terminals 210 , and the conflicting sides 1451 of the two positioning terminals 145 , which are arranged up and down relative to each other, to form a universal serial bus (USB Type- C type) specification application mode; and can pass through the first ground terminal 2001, the first power supply terminal 2004, the second high-speed positive differential pair signal terminal 2006, the second high-speed negative differential pair signal terminal 2007, etc. in the twelve upper row terminals 200 Four terminals form an application mode that can be used as a universal serial bus (USB2.0 type) specification; through twelve upper row terminals 200 and twelve lower row terminals 210 universal serial bus (USB Type-C type) specifications, can pass The first ground terminal 2001, the first power supply terminal 2004, the second high-speed positive differential pair signal terminal 2006, the second high-speed negative differential pair signal terminal 2007, etc., are a universal serial composed of twelve upper-row terminals 200 and twelve lower-row terminals 210. Bus (USBType-C type) specification signal is converted into the signal of Universal Serial Bus (USB2.0 type) specification for transmission; The first high-speed negative differential pair signal terminal 2003 and the third power terminal 2104 of the twelve lower row branch terminals 210, the sixth high-speed negative differential pair signal terminal 2110, the sixth high-speed positive differential pair signal terminal 2111, etc. The upper row of terminals 200 can be combined into a total of nine terminals through the first ground terminal 2001, the first power supply terminal 2004, the second high-speed positive differential pair signal terminal 2006, and the second high-speed negative differential pair signal terminal 2007. In accordance with the application mode for the universal serial bus (USB3.0 type), the signal of the universal serial bus (USB Type-C type) composed of twelve row terminals 200 and twelve lower row terminals 210 can be converted into a universal serial bus (USB3.0 type) specification signal transmission; as for the second ground terminal 2012 of the twelve upper row terminals 200 and the fourth ground terminal 2112 of the twelve lower row terminals 210, they can be used as interference signals received by the electrical connector at the same time (such as Electromagnetic waves, interference sub-noise of surrounding electronic products, or noise in electronic signals, etc.), so as to leak out the interference signal when the electrical connector transmits electronic signals.

As shown in Fig. 3, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, they are respectively a three-dimensional exploded view, a side view sectional view, a three-dimensional appearance view of a preferred embodiment, and a three-dimensional exploded view of a preferred embodiment of the present invention 1. The side view sectional view of the preferred embodiment, as shown in the figure, it can be clearly seen that the transfer part 1 in the utility model is provided with a transmission interface 12 on one side of the circuit board 11, so that the transmission interface 12 exposes the circuit board 11 surface, and the transmission interface 12 includes four transmission terminals 121 formed on the surface of the circuit board 11, then the four transmission terminals 121 include the fourth power terminal 1211 located on the two outer sides, the fifth ground terminal 1212 and the fourth power terminal located The first differential signal terminal 1213 and the second differential signal terminal 1214 on the inner side of 1211 and the fifth ground terminal 1212 can cooperate with the four transmission terminals 121 provided on the transmission interface 12 through the circuit board 11 in the adapter part 1. The assembly space 310 of the shell portion 31 of the shielding case 3 constitutes the insertion space 10 of an electrical connector conforming to the Universal Serial Bus (USB2.0 specification type).

The insulating base plate 122 with the transmission interface 12 can also be stacked on the circuit board 11 of the adapter part 1, so that the transmission interface 12 exposes the surface of the insulating base plate 122, and then nine holes can be worn on the insulating base plate 122. If there are only one transmission terminal 121, the nine transmission terminals 121 are placed on the insulating seat plate 122 in an adjacent arrangement of the first four and the last five, and the nine transmission terminals 121 respectively use one welding side 123 to expose the insulating seat plate 122 The outer side is for each welding side 123 to be welded on the circuit board 11 and electrically connected with the circuit board 11. The nine transmission terminals 121 include the fourth power terminal 1211, the first differential signal terminal 1213, the The second differential signal terminal 1214, the fifth ground terminal 1212 and other four terminals, the third differential signal terminal 1215, the sixth differential signal terminal 1216, the fifth power supply terminal 1217, the seventh The differential signal terminal 1218 and the eighth differential signal terminal 1219 have five terminals, and the nine transmission terminals 121 provided by the transmission interface 12 cooperate with the assembly space 310 of the shell portion 31 of the shielding case 3 to form a universal serial bus. (USB3.0 specification type) the insertion space 10 of the electrical connector.

And the circuit board 11 in the above-mentioned adapter part 1 can be provided with a preset circuit layout for processing electronic signals, so as to electrically connect the plurality of metal contacts 111 on one side of the circuit board 11 to the plurality of terminals 21 in the terminal group 2 The electronic signal received by the Universal Serial Bus (USB Type-C) specification is processed by the circuit board 11, and then the four transmission terminals 121 (USB2.0 type) specification or nine transmission terminals in the transmission interface 12 on the other side Transmission terminal 121 (USB3.0 type) specifications, etc., to form a universal serial bus (USBType-C type converted into USB2.0 or USB3.0 type, etc.) Various types of electrical connectors have the function of transferring and transmitting applications, so as to provide electronic signals or power supplies that are electrically connected to electronic products of different specifications (computers, laptops, tablet computers or smart phones, mobile phones, etc.) transfer or transmission.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the scope of protection of the utility model. The adapter device of the USB electrical connector provided by the utility model is provided on two opposite sides of the adapter part 1. The surface is provided with a plurality of metal contacts 111, and the other side is provided with a transmission interface 12, and then a positioning seat 12 is assembled on the outside of the circuit board 11 close to the plurality of metal contacts 111, and the positioning seat 12 can be used to pass through the terminal group 2 A plurality of terminals 21, and a limit seat 133 is stacked above the circuit board 11 in the adapter part 1, so that a plurality of metal contacts 111 on one side of the circuit board 11 can be electrically connected to the connecting part 212 on the side of the terminal group 2 , then the shielding shell 3 can be covered outside the adapter part 1, and the shell part 31 can be covered outside the adapter part 1 and the extended shell seat 32 can be covered outside the positioning seat 12, so that the internal assembly space of the shell part 31 can be utilized. 310 cooperates with a plurality of transmission terminals 121 (can be four or nine) in the transmission interface 12 on the side of the circuit board 11 in the adapter part 1 to form a universal serial bus specification (can be USB2.0 or USB3. 0 and other types of electrical connectors, so as to achieve the purpose of transferring and transmitting the electronic signals or power of the terminal group 2 through the transmission interface 12 of the circuit board 11 in the adapter part 1. The connector can carry out electronic signal transfer and transmission of the Universal Serial Bus through different specifications on both sides (one side is USB Type-C type, the other side can be USB2.0 or USB3.0 type, etc.), which can make the USB electrical connector With a variety of application mode changes, the USB electrical connector can stably transmit electronic signals and power signals, etc., and the USB electrical connector can also have a variety of different specifications and types, practical effects of applications, and convenient transfer and transmission of electronic signals. , and can make the USB electrical connector have a wide range of applicability and reduce the conditions of use. Therefore, all structures and devices that can achieve the aforementioned effects should be covered by the utility model. Such simple modifications and equivalent structural changes should be the same The reason is included in the protection scope of the present utility model, and it is stated together.

The utility model is mainly designed for the USB electrical connector and its transfer module. The transfer part is used to assemble the positioning seat on the outside of a plurality of metal contacts on one side of the circuit board, and the positioning seat can be used to pass through multiple terminals in the terminal group. a terminal, the connecting parts of multiple terminals are respectively electrically connected to a plurality of metal contacts in the circuit board in the transfer part, and then the transfer part is covered with a shielding case, so that the circuit board in the transfer part is positioned In the shell assembly space of the shielding shell, and the terminal group conforms to the Universal Serial Bus (USB Type-C) specification electrical connector, and a transmission interface is provided on the other side of the circuit board opposite to the multiple metal contacts (which can conform to the universal serial bus (USB Type-C) specification electrical connector. The serial bus (USB2.0 or USB3.0 and other types) specification) can carry out electronic signal or power transfer, etc., so that the USB electrical connector has different specifications and types, which can be used for electronic signal or power transfer, etc. Transmission, etc., so that the USB electrical connector can stably transfer and transmit the electronic signal or power of the terminal group on the other side through the transmission interface in the transfer part, and the USB electrical connector can have various specifications, The applicability is wider, the actual effect is good, and there are few restrictions on use, so that it can be connected to electronic devices of different specifications and types. Only the USB electrical connector can pass through the circuit board in the transfer part to pass through different types of transmission interfaces on both sides. The advantages of transferring electronic signals or power sources of different electronic devices provide the USB electrical connector with the application effect of transferring different types of electronic signals or power sources.

Claims (11)

1. a switching device for USB electric connector, is characterized in that, comprises switching part, terminal group and shield shell, wherein:

This switching part is assembled with the positioning seat with multiple terminal groove in side, two apparent surfaces in switching part side are respectively equipped with multiple metallic contact, and the opposite side surface being relatively provided with the switching part of multiple metallic contact is provided with coffret;

This terminal group is placed through in the positioning seat of switching part side, comprise and go to upper and lower arranged opposite and multiple terminals in each terminal groove be arranged in positioning seat, the side of each terminal is respectively equipped with the docking section stretched through to the terminal groove exposed in positioning seat, and the opposite side of each terminal in relatively each docking section is provided with and exposes positioning seat outside and the connecting portion being electrically connected at multiple metallic contacts of switching part side; And

This shield shell covers outside switching part, this shield shell is provided with the shell portion covered outside switching part, and the assembling space be provided with in shell portion for switching part location, the side in adjacent shell portion is provided with the extension shell block covered in positioning seat outside, and is provided with the through wider space to interblock space in extension shell block inside.

2. the switching device of USB electric connector according to claim 1, it is characterized in that, this switching part comprises circuit board and overlapped in the limit base of circuit board, and two apparent surfaces shaping multiple metallic contact respectively in circuit board side, on circuit board, the another side of relatively multiple metallic contact is provided with coffret, outside the circuit board near multiple metallic contact, be assembled with positioning seat.

3. the switching device of USB electric connector according to claim 1, is characterized in that, this switching part comprises circuit board and overlapped in the limit base of circuit board, and below the circuit board of relative limit seat again pad be provided with insulated substrate.

4. the switching device of USB electric connector according to claim 3, it is characterized in that, one-body molded below the circuit board of this switching part have insulated substrate.

5. the switching device of USB electric connector according to claim 3, it is characterized in that, this insulated substrate side is provided with the scarfing slot caved inward, the tongue outwards protruded out is provided with in scarfing slot place, the accommodation space of Openworks shape is provided with in tongue, and the through docking notch to accommodation space is provided with in tongue side, and the accommodation space in tongue is provided with the positioning seat with multiple terminal groove, and two of positioning seat apparent surfaces are respectively equipped with metal cover board, adjacent two surperficial two other relative sides are respectively equipped with positioning terminal, for tongue, positioning seat stretches through in the wider space of the extension shell block in shield shell.

6. the switching device of USB electric connector according to claim 5, it is characterized in that, this insulated substrate assembles positioning seat in the accommodation space of side tongue, positioning seat comprises two relative terminal block, and two seat board sides are convexly equipped with padded portion towards opposite inner face respectively, the hyoplastron with multiple terminal groove is provided with respectively to extension again in side, each padded portion, multiple terminals for terminal group are arranged in two terminal block respectively, and extend to respectively for the docking section of each terminal side and expose in the relative docking space set by inner side of two hyoplastrons, dividing plate is installed with again between the padded portion of the relative inner of two opposing terminal seat boards, dividing plate both sides are respectively equipped with the fin exposed outside two terminal block, and two fins are installed with the positioning terminal on two the opposite exterior lateral sides limits being positioned at two terminal block respectively.

7. the switching device of USB electric connector according to claim 2, it is characterized in that, circuit board in this switching part is provided with the coffret meeting USB2.0 specification in a side surface, and coffret comprises four transmission terminals or this switching part is provided with in circuit board one side surface the coffret meeting USB3.0 specification, and coffret comprises insulation seat board and is positioned nine transmission terminals on insulation seat board.

8. the switching device of USB electric connector according to claim 2, it is characterized in that, the circuit board in this switching part stacks the limit base in accommodation space that power circuit board is positioned in shield shell on the circuit board of multiple metallic contact and coffret relative inner.

9. the switching device of USB electric connector according to claim 1, it is characterized in that, this terminal group comprises, multiple terminals of lower arranged opposite, and multiple terminal is provided with the upper row's twelve earthly branches terminal being positioned at top, be positioned at the lower row's twelve earthly branches terminal below row's twelve earthly branches terminal, relative is upper, lower row's twelve earthly branches terminal all meets universal serial bus specification, relative is upper, lower row's terminal side is respectively equipped with docking section, opposite side is respectively equipped with the connecting portion being electrically connected at circuit board, and the multiple metal end subpads be electrically connected respectively for multiple connecting portion are respectively equipped with in two apparent surface sides of circuit board, separately be provided with in circuit board one side surface the switching interface transmitting multiple terminal signals, and switching interface is provided with the conversion terminal that four or nine meet universal serial bus specification.

10. the switching device of USB electric connector according to claim 9, it is characterized in that, this terminal group comprises presents, multiple terminals of lower arranged opposite, and the twelve earthly branches being positioned at row arranges terminal comprise the first earth terminal and the second earth terminal that are positioned at two opposite exterior lateral sides, inside adjacent first earth terminal, sequential first high speed positive differential is to signal terminal, first bears differential pair signal terminal at a high speed, first power supply terminal, first spare terminal, second high speed positive differential is to signal terminal, second bears differential pair signal terminal at a high speed, second spare terminal, second source terminal, third high speed positive differential is to signal terminal and the negative differential pair signal terminal of third high speed, arrange terminal under relative twelve earthly branches being arranged the twelve earthly branches of terminal and comprise the 3rd earth terminal and the 4th earth terminal that are positioned at two opposite exterior lateral sides, inside adjacent 3rd earth terminal, negative differential pair signal terminal, the 4th high speed positive differential bear at a high speed differential pair signal terminal, the 5th high speed positive differential to signal terminal, the 4th spare terminal, the 4th power supply terminal, the negative differential pair signal terminal of the 6th high speed and the 6th high speed positive differential to signal terminal to signal terminal, the 3rd power supply terminal, the 3rd spare terminal, the 5th to sequential the 4th at a high speed.

The switching device of 11. USB electric connectors according to claim 10, it is characterized in that, on this, row's twelve earthly branches terminal comprises composition and meets the first earth terminal of universal serial bus specification, the first power supply terminal, the second high speed positive differential to four terminals of signal terminal and second negative differential pair signal terminal at a high speed, and arrange under twelve earthly branches being arranged terminal and twelve earthly branches terminal comprise meet universal serial bus specification for composition nine twelve earthly branches on arrange the second high speed positive differential of terminal to signal terminal, the 3rd power supply terminal of terminal is arranged under second high speed bears differential pair signal terminal and twelve earthly branches, 6th high speed positive differential is to signal terminal, 6th bears five terminals of differential pair signal terminal and the first earth terminal of upper row's twelve earthly branches terminal at a high speed, first power supply terminal, second high speed positive differential signal terminal and second bears at a high speed four terminals of differential pair signal terminal.