TWM526209U - USB plug structure - Google Patents

Description

USB plug structure

This creation is a USB plug structure, especially one that is applied to the USB Type C specification of the electrical connector structure.

The USB (Universal Serial Bus) electrical connector is an electrical connector widely used in various electronic information products and mobile communication devices. For example, a common storage device such as a flash drive is a USB interface.

As the products become thinner and lighter, the connector types of USB electrical connectors have also developed different types such as Mini-USB and Micro-USB. However, in order to unify the connector type on electronic products in response to the requirements of the EU and governments, its USB Association began to design and disclose its USB Type C specification to enable electronic information product designers to follow.

However, the original USB Type C specification is designed with 12 signal terminals on the top and bottom to add up to 24 signal terminals. When the number of signal terminals is more, it is susceptible to electromagnetic interference (EMI) when transmitting signals. Errors or omissions in the transmission of data make stability worse and reduce the effectiveness of signal transmission.

Therefore, in view of the above-mentioned deficiencies, the present author can propose a USB plug structure which can reduce the number of signal terminals and can still be combined with the existing USB Type C socket. It allows users to easily assemble and assemble, and is dedicated to research and design, to provide user convenience, and to create creative motives for the creators.

The main purpose of the present invention is to provide a USB plug structure through a combination of twelve signal transmission terminals, an H-shaped partition, a body, an insulative housing and a cover, and through the body and the twelve signals The transmission terminal and the H-type spacer are integrally combined by insert molding, and the twelve signal transmission terminals are composed of eight first signal terminals and four second signal terminals, so that the creation has In addition to excellent compatibility, it can improve the performance of production and reduce the cost of manufacturing, thereby increasing the overall practicality.

The second object of the present invention is to provide a USB plug structure, wherein the body and the twelve signal transmission terminals and the H-type spacer are integrated into a single body by insert molding, and The eight first signal terminals and the four second signal terminals are placed at the upper end for placement, and when the eighth first signal terminal is at the upper end, the four second signal terminals are placed first. At the lower end of the mold, the H-shaped spacer is placed above the four second signal terminals, and then the eight first signal terminals are placed above the H-shaped spacer, and finally filled with plastic. The mold is finished to be coated, and when the four second signal terminals are located at the upper end, the eight first signal terminals are placed first at the lower end of the mold, and the H-shaped spacer is placed on the eight Above the first signal terminal, the four second signal terminals are placed above the H-shaped spacer, and finally the mold is filled with plastic to complete the coating, so that the creation can improve the production efficiency during assembly. Rate, and can protect the twelve signal transmission terminals from being easily damaged during the assembly process, thereby increasing the overall efficiency.

A further object of the present invention is to provide a USB plug structure, wherein the twelve signal transmission terminals are composed of eight first signal terminals and four second signal terminals, and the first embodiment is the eight The first signal terminal is located at the upper end, and the eight first signal terminals are bent upward at the front end to form a contact portion, and bent at the rear end to be extended to form a welded portion, and The fifth first signal terminal, the sixth first signal terminal and the seventh first signal terminal are bent into a diagonal shape, and the four second signal terminals are located at a lower end, and the four The two signal terminals are bent downward at the front end to form a contact portion, and are bent into a diagonal shape at the middle portion, and are bent upward at the rear end and then bent downward to form a welded portion. In two embodiments, the eight first signal terminals are further located at the lower end, and the eight first signal terminals are bent downward at the front end to form a contact portion, and are bent upward at the rear end. Extending and bending down to form a weld And bending into a diagonal shape at a middle portion of the fifth first signal terminal, the sixth first signal terminal, and the seventh first signal terminal, and the four second signal terminals are further located at an upper end, and The four second signal terminals are bent up and bent at the front end to form a contact portion, and are bent into a diagonal shape at the middle portion, and bent and extended at the rear end to form a welded portion, so that the creation The number of signal transmission terminals with reduced USB Type C can still be combined with existing USB Type C sockets without reducing the high-speed transmission rate of USB Type C and complying with the current USB Type C regulations. The overall stability.

The USB plug structure of the present invention comprises twelve signal transmission terminals, an H-shaped partition, a body, an insulating casing and a cover. The twelve signal transmission terminals are respectively The first signal transmission terminal, the second signal transmission terminal, the third signal transmission terminal, the fourth signal transmission terminal, the fifth signal transmission terminal, the sixth signal transmission terminal, the seventh signal transmission terminal, Eight signal transmission terminals, a ninth signal transmission terminal, a tenth signal transmission terminal, a tenth signal transmission terminal and a twelfth signal transmission terminal, and the twelve signal transmission terminals are eight first signal terminals And four second signal terminals, wherein the eight first signal terminals are respectively set as a first first signal terminal, a second first signal terminal, a third first signal terminal, and a fourth branch a signal terminal, a fifth first signal terminal, a sixth first signal terminal, a seventh first signal terminal and a twelfth first signal terminal, and the four second signal terminals are respectively set to Nine second signal terminals, tenth second signal terminals, eleventh second signal terminals and twelfth second signal terminals, and the twelve signal transmission terminals are arranged in the first signal transmission The terminal is a first first signal terminal, the second signal transmission terminal is a second first signal terminal, and the third signal transmission terminal is a third first signal terminal, the fourth signal The transmission terminal is a fourth first signal terminal, the fifth signal transmission terminal is a twelfth second signal terminal, and the sixth signal transmission terminal is a tenth second signal terminal, the first The seven signal transmission terminals are the tenth second signal terminal, the eighth signal transmission terminal is the ninth second signal terminal, and the ninth signal transmission terminal is the fifth first signal terminal, The tenth signal transmission terminal is a sixth first signal terminal, the tenth signal transmission terminal is a seventh first signal terminal, and the twelfth signal transmission terminal is a twelfth first a signal terminal; the H-shaped partition is disposed between the eight first signal terminals and the four second signal terminals, and the two sides of the H-shaped partition are respectively extended toward the front end and each of the inwardly protruding hook portions The body and the twelve signal transmission terminals and the H-shaped partition Combined into one, and then the body portion provided with a convex end system; the insulating housing system as a hollow body, and one end of the insulating housing is provided with a concave notch, for the regeneration of the present The sleeve is disposed in the recessed notch of the insulating housing, and each of the two sides of the insulating housing is provided with a groove rail for the front end of the H-shaped partition plate located in the body to slide in correspondingly In the groove rail; and the cover system is a hollow body, and the cover system is wrapped on the outer side of the insulating case, and the rear end of the cover body is provided with a recess to be correspondingly fitted to the rear end of the body The convex part.

The above and other objects and advantages of the present invention will become more apparent from the detailed description and the accompanying drawings.

Of course, the present invention is allowed to differ in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings.

10‧‧‧Signal transmission terminal

11‧‧‧First signal terminal

111‧‧‧First first signal terminal

112‧‧‧Second first signal terminal

113‧‧‧The third first signal terminal

114‧‧‧The fourth first signal terminal

115‧‧‧The fifth first signal terminal

116‧‧‧6th first signal terminal

117‧‧‧The seventh first signal terminal

118‧‧‧Twelfth first signal terminal

12‧‧‧second signal terminal

121‧‧‧The ninth second signal terminal

122‧‧‧10th second signal terminal

123‧‧‧Eleventh second signal terminal

124‧‧‧Twelfth second signal terminal

13‧‧‧Contacts

14‧‧‧Weld Department

15‧‧‧ oblique shape

16‧‧‧Contacts

17‧‧‧ oblique shape

18‧‧‧Welding Department

20‧‧‧H type partition

21‧‧‧Hook

30‧‧‧Ontology

31‧‧‧ convex

40‧‧‧Insulated housing

41‧‧‧ concave gap

42‧‧‧ groove rail

43‧‧‧ hole

50‧‧‧ Cover

51‧‧‧ recess

52‧‧‧Flap fixing

53‧‧‧Shrap

60‧‧‧Mold

70‧‧‧First cover

71‧‧‧Hook

80‧‧‧Second cover

81‧‧‧Hook

90‧‧‧ boards

91‧‧‧ solder pads

Figure 1 is a perspective view of the first embodiment of the present invention.

Fig. 2 is a schematic exploded view of the first embodiment of the present invention.

Figure 3 is a schematic exploded view of the signal transmission terminal and the H-shaped partition and the body of the first embodiment of the present invention.

Fig. 4 is a perspective view showing the stereoscopic appearance of the signal transmission terminal of the first embodiment of the present invention.

Figure 5 is a schematic view showing the combination of the insulating case and the body of the first embodiment of the present invention.

Figure 6 is a schematic view of the first embodiment of the present invention soldered to a circuit board.

Figure 7 is a first schematic view of the first embodiment of the present invention in which the mold is insert molded.

Fig. 8 is a schematic view showing the second structure of the first embodiment of the present invention in which the mold is insert-molded.

Fig. 9 is a schematic view showing the third structure of the first embodiment of the present invention in which the mold is insert-molded.

Figure 10 is a fourth structural schematic view of the first embodiment of the present invention in which the mold is insert molded.

Figure 11 is a schematic exploded view of the signal transmission terminal, the H-shaped partition plate and the body of the second embodiment of the present invention.

Figure 12 is a perspective view showing the stereoscopic appearance of the signal transmission terminal of the second embodiment of the present invention.

Figure 13 is a first schematic view of the second embodiment of the present invention in which the mold is insert molded.

Fig. 14 is a schematic view showing the second structure of the second embodiment of the present invention in which the mold is insert-molded.

Fig. 15 is a schematic view showing the third structure of the second embodiment of the present invention in which the mold is insert-molded.

Figure 16 is a fourth structural schematic view of the second embodiment of the present invention in which the mold is insert molded.

Please refer to FIGS. 1~16, which are schematic diagrams of the present embodiment, and the best implementation of the USB plug structure of the present invention is applied to the USB Type C specification electrical connector structure, wherein the conventional USB Type C is used. The signal terminal is designed to add up to twenty signal terminals to the top and bottom of each of the twelve signal terminals. This design has the number of signal terminals that reduce the USB Type C, and can still be combined with the existing USB Type C socket, and It will reduce the high-speed transfer rate of USB Type C and comply with the current USB Type C regulations.

The first embodiment of the present USB plug structure is provided with twelve signal transmission terminals 10, an H-shaped partition 20, a body 30, an insulative housing 40 and a cover 50. The twelve signal transmission terminals are respectively The first signal transmission terminal, the second signal transmission terminal, the third signal transmission terminal, the fourth signal transmission terminal, the fifth signal transmission terminal, the sixth signal transmission terminal, and the seventh signal transmission terminal, The eighth signal transmission terminal, the ninth signal transmission terminal, the tenth signal transmission terminal, the eleventh signal transmission terminal and the twelfth signal transmission terminal, and the twelve signal transmission terminals 10 The first signal terminal 11 is composed of eight first signal terminals 11 and four second signal terminals 12 (as shown in FIG. 3 ), wherein the eight first signal terminals 11 are respectively the first first signal terminal 111 and the second branch The first signal terminal 112, the third first signal terminal 113, the fourth first signal terminal 114, the fifth first signal terminal 115, the sixth first signal terminal 116, and the seventh first signal terminal 117 And the twelfth first signal terminal 118, and the four second signal terminals 12 are respectively a ninth second signal terminal 121, a tenth second signal terminal 122, and an eleventh second signal terminal 123; The twelfth second signal terminal 124.

The eight first signal terminals 11 are located at the upper end, and the eight first signal terminals 11 are bent up at the front end to form the contact portion 13 and bent downward at the rear end to be extended. The soldering portion 14 is formed, and is bent into a diagonal shape 15 at a middle portion of the fifth first signal terminal 115, the sixth first signal terminal 116, and the seventh first signal terminal 117 to match the twelve signals. The arrangement of the transmission terminals 10. The function of the eight first signal terminals 11 is that the first first signal terminal 111 is grounded (GND), and the second first signal terminal 112 is set to high speed transmission positive differential signal (TX+). The third first signal terminal 113 is set to transmit a negative differential signal (TX-) at a high speed, the fourth first signal terminal 114 is set as a bus power supply (VBUS), and the fifth first signal terminal 115 is set as a configuration channel ( CC), the sixth first signal terminal 116 is set to USB2.0 positive differential signal (D+), the seventh first signal terminal 117 is set to USB2.0 negative differential signal (D-) and the twelfth first The signal terminal 118 is set to ground (GND), wherein the sixth first signal terminal 116 and the seventh first signal terminal 117 are compatible with the USB2.0 signal, so that the creation can also be transmitted by USB2.0. Rate for signal transmission.

The other four second signal terminals 12 are located at the lower end, and the four second signal terminals 12 are bent downward at the front end to form the contact portion 16 and are bent into a diagonal shape 17 at the middle portion. The rear end is bent upwardly and then extended downward to form a welded portion 18 (as shown in FIG. 3) to match the arrangement of the twelve signal transmission terminals 10, and the four second signal terminals 12 The functional role is that the ninth second signal terminal 121 is set as the busbar power supply (VBUS), and the tenth second signal terminal 122 is set as the high speed receiving negative differential signal (RX-), and the eleventh second signal. The terminal 123 is configured to receive the positive differential signal (RX+) at a high speed and the ground (GND) of the twelfth second signal terminal 124, wherein the tenth second signal terminal 122 and the eleventh second signal terminal 123 are The second first signal terminal 112 and the third first signal terminal 113 form a signal compatible with the USB Type C, so that the creation can also perform signal transmission at a high speed transmission rate.

The twelve signal transmission terminals 10 are generally composed of eight first signal terminals 11 and four second signal terminals 12, wherein the twelve signal transmission terminals 10 are arranged (as shown in FIG. 4). The first signal transmission terminal is the first first signal terminal 111, the second signal transmission terminal is the second first signal terminal 112, and the third signal transmission terminal is the third branch. The first signal terminal 113 is the fourth first signal terminal 114, and the fifth signal transmission terminal is the twelfth second signal terminal 124 and the sixth signal transmission terminal. The eleventh second signal terminal 123, the seventh signal transmission terminal is the tenth second signal terminal 122, and the eighth signal transmission terminal is the ninth second signal terminal 121, the first The nine signal transmission terminals are the fifth first signal terminal 115, and the tenth signal transmission terminal is the sixth first signal terminal 116. The eleventh signal transmission terminal is the seventh first signal terminal 117, and the twelfth signal transmission terminal is the twelfth first signal terminal 118.

The twelve signal transmission terminals 10 of the present invention are integrated with the main body 30 and the H-shaped partition 20, wherein the H-shaped partition 20 is disposed on the eight first signal terminals 11 and the four second signals. Between the terminals 12, the two sides of the H-shaped partition 20 are outwardly projecting with the hook portions 21 (as shown in FIG. 3), and the rear ends of the body 30 are provided with convex portions 31. (As shown in FIG. 2), the twelve signal transmission terminals 10 and the main body 30 and the H-shaped spacer 20 are integrally combined by insert molding in a mold 60, and the device is placed first. Four second signal terminals 12 are disposed at the lower end of the mold 60 (as shown in FIG. 7), and the H-type spacer 20 is placed above the four second signal terminals 12 (as shown in FIG. 8). Then, the eight first signal terminals 11 are placed above the H-shaped spacer 20 (as shown in FIG. 9), and finally the mold 60 is filled with plastic to complete the coating (as shown in FIG. 10). ), the creation of the creation can improve the production efficiency, and can protect the twelve signal transmission terminals 10 from being easily damaged during the assembly process.

In addition, the insulative housing 40 is a hollow body, and the insulative housing 40 is provided with a recessed notch 41 at one end thereof for the above-mentioned body 30 to be sleeved in the recessed notch of the insulative housing 40 (eg FIG. 5 shows a groove rail 42 on both sides of the inside of the insulating housing 40, so that the two sides of the H-shaped partition 20 located in the body 30 can be slid into the front end. The insulative housing 40 is provided with at least one opening 43 at the front end of the upper and lower surfaces, and the insulating housing 40 is coupled with a first cover 70 and a second cover 80, respectively. The first cover body 70 and the second cover body 80 are fastened at the front end The hook portions 71 and 81 are hooked into the upper and lower openings 43 at the front end of the insulating housing 40 to form a protective state.

The cover 50 is a hollow body, and the cover 50 is wrapped on the outer side of the insulating case 40, and the recess 50 is provided at the rear end of the cover 50 so as to be correspondingly fitted to the body 30. The convex portion 31 at the rear end enables the cover 50 to completely cover the twelve signal transmission terminals 10, an H-type spacer 20, a body 30 and an insulative housing 40, so as to protect the inside of the twelve signal transmission terminals 10. Integrity and usability.

In the embodiment of the present invention, the twelve signal transmission terminals 10 are soldered to the circuit board 90, and the corresponding solder pads 91 (shown in FIG. 6) are provided on the circuit board 90 for the twelve The signal transmission terminal 10 can be correspondingly welded, and the two sides of the rear end of the cover 50 are bent to extend out of the blade fixing portion 52, and the blade fixing portion 52 is attached to the circuit board 90 to make the cover 50 It can be fixed on the circuit board 90, and the surface of the cover 50 extends at least one elastic piece 53 so that the present invention can have good ESD static protection through the elastic piece 53.

Furthermore, the second embodiment of the USB plug structure of the present invention is the twelve signal transmission terminals 10, an H-shaped partition 20, a body 30, an insulative housing 40 and a cover designed in accordance with the first embodiment. The components of the body 50 are the same, and the twelve signal transmission terminals 10 are composed of eight first signal terminals 11 and four second signal terminals 12. The difference lies in the placement positions of the eight first signal terminals 11 and the four second signal terminals 12. The first first signal terminal 11 of the first embodiment is disposed at the upper end, and the four second signal terminals 12 are located at the lower end. In the second embodiment, the eight first signal terminals 11 are provided. It is changed to the lower end, and the four second signal terminals 12 are changed to the upper end (as shown in Fig. 11). The following will be performed on the eight first signal terminals. The description of the difference between the sub-11 and the four second signal terminals 12, and the structure of an H-type spacer 20, a body 30, an insulative housing 40 and a cover 50 of the same embodiment as the first embodiment For the manner and combination, please refer to the content of the first embodiment described above, and the details are not described herein.

The eight first signal terminals 11 in the second embodiment are located at the lower end, and the eight first signal terminals 11 are bent downward at the front end to form the contact portion 13, and at the rear end. Firstly, the upper end of the fifth signal terminal 115, the sixth first signal terminal 116 and the seventh first signal terminal 117 are bent at an upward bend and then bent downward to form a welded portion 14. The oblique shape 15 (shown in FIGS. 11 and 12) is folded to match the arrangement of the twelve signal transmission terminals 10. The function of the eight first signal terminals 11 is to set the first first signal terminal 111 to ground (GND), and the second first signal terminal 112 to be a high speed transmission positive differential signal (TX+). The third first signal terminal 113 is set to transmit a negative differential signal (TX-) at a high speed, the fourth first signal terminal 114 is set as a bus power supply (VBUS), and the fifth first signal terminal 115 is set as a configuration channel ( CC), the sixth first signal terminal 116 is set to USB2.0 positive differential signal (D+), the seventh first signal terminal 117 is set to USB2.0 negative differential signal (D-) and the twelfth first The signal terminal 118 is set to ground (GND), wherein the sixth first signal terminal 116 and the seventh first signal terminal 117 are compatible with the USB2.0 signal, so that the creation can also be transmitted by USB2.0. Rate for signal transmission.

The other four second signal terminals 12 are located at the upper end, and the four second signal terminals 12 are bent up at the front end to form the contact portion 16 and are bent into a diagonal shape 17 at the middle portion. The rear end is bent downward and then extended to form the welded portion 18 (such as 11 and FIG. 12), in order to cooperate with the arrangement of the twelve signal transmission terminals 10, the functions of the four second signal terminals 12 respectively set the ninth second signal terminal 121 as a bus power supply. (VBUS), the tenth second signal terminal 122 is set to receive the negative differential signal (RX-) at high speed, the eleventh second signal terminal 123 is set to receive the positive differential signal (RX+) and the twelfth second The signal terminal 124 is set to ground (GND), and the tenth second signal terminal 122 and the eleventh second signal terminal 123 are combined with the second first signal terminal 112 and the third first signal terminal 113. Compatible with USB Type C signals, this creation can also transmit signals at high transfer rates.

In the second embodiment, since the eight first signal terminals 11 are modified at the lower end and the four second signal terminals 12 are modified at the upper end, the twelve signal transmission terminals 10 and the body are 30 and the H-shaped separator 20 are partially integrated into one body by insert molding by a mold 60, which is slightly different from the original first embodiment, mainly in the first embodiment. The four second signal terminals 12 are disposed at the lower end of the mold 60. However, in the second embodiment, the eight first signal terminals 11 are placed first at the lower end of the mold 60 (eg, 13th). As shown in the figure, the H-type spacer 20 is placed above the eight first signal terminals 11 (as shown in FIG. 14), and then the four second signal terminals 12 are placed on the H-type spacer. Above the 20 (as shown in Fig. 15), the mold 60 is finally filled with plastic to complete the coating (as shown in Fig. 16), so that the creation can improve the production efficiency during assembly and protect the twelve The signal transmission terminal 10 is not easily damaged during the assembly process.

From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the aforementioned objectives, and has been in compliance with the provisions of the Patent Law, and has filed a patent application.

However, the above is only the preferred embodiment of the present invention, and the scope of the creation of the present invention cannot be limited by this; therefore, the simple equivalent changes and modifications made by the scope of the patent application and the content of the creation specification are All should remain within the scope of this creation patent.

10‧‧‧Signal transmission terminal

111‧‧‧First first signal terminal

112‧‧‧Second first signal terminal

113‧‧‧The third first signal terminal

114‧‧‧The fourth first signal terminal

115‧‧‧The fifth first signal terminal

116‧‧‧6th first signal terminal

117‧‧‧The seventh first signal terminal

118‧‧‧Twelfth first signal terminal

121‧‧‧The ninth second signal terminal

122‧‧‧10th second signal terminal

123‧‧‧Eleventh second signal terminal

124‧‧‧Twelfth second signal terminal

30‧‧‧Ontology

31‧‧‧ convex

50‧‧‧ Cover

51‧‧‧ recess

52‧‧‧Flap fixing

53‧‧‧Shrap

Claims (9)

The utility model relates to a USB plug structure, which comprises: twelve signal transmission terminals, wherein the twelve signal transmission terminals are respectively a first signal transmission terminal, a second signal transmission terminal, a third signal transmission terminal, a fourth signal transmission terminal, and a Five signal transmission terminals, a sixth signal transmission terminal, a seventh signal transmission terminal, an eighth signal transmission terminal, a ninth signal transmission terminal, a tenth signal transmission terminal, a tenth signal transmission terminal, and a Twelve signal transmission terminals, and the twelve signal transmission terminals are composed of eight first signal terminals and four second signal terminals, and the eight first signal terminals are respectively set as the first first signal terminals. a second first signal terminal, a third first signal terminal, a fourth first signal terminal, a fifth first signal terminal, a sixth first signal terminal, a seventh first signal terminal, and a 12 first signal terminals, and the other four second signal terminals are respectively set as a ninth second signal terminal, a tenth second signal terminal, and an eleventh second signal terminal The twelfth second signal terminal, and the twelve signal transmission terminals are arranged in such a manner that the first signal transmission terminal is the first first signal terminal, and the second signal transmission terminal is the second first a signal terminal, the third signal transmission terminal is a third first signal terminal, the fourth signal transmission terminal is a fourth first signal terminal, and the fifth signal transmission terminal is a twelfth branch The second signal terminal, the sixth signal transmission terminal is an eleventh second signal terminal, the seventh signal transmission terminal is a tenth second signal terminal, and the eighth signal transmission terminal is a The nine second signal terminals, the ninth signal transmission terminal is a fifth first signal terminal, and the tenth signal transmission terminal is a sixth first signal terminal, and the tenth signal transmission terminal system The seventh first signal terminal and the twelfth signal transmission terminal are the twelfth first signal terminal; An H-shaped spacer is disposed between the eight first signal terminals and the four second signal terminals, and the two sides of the H-shaped spacer are respectively inwardly convex. a hook portion; a body, the body is combined with the twelve signal transmission terminals and the H-shaped partition system, and a convex portion is disposed at a rear end of the body; and an insulating shell is hollow a recessed notch is formed at one end of the insulating housing, so that the body can be sleeved in the recessed notch of the insulating housing, and a groove rail is provided on both sides of the insulating housing for providing The front end of the H-shaped partition in the body can be correspondingly slid into the groove rail; and a cover body, the cover system is a hollow body, and the cover system is wrapped on the outer side of the insulating shell And a recess is provided at the rear end of the cover to correspond to the convex portion at the rear end of the body. The USB plug structure of claim 1, wherein the eight first signal terminals are further located at an upper end, and the eight first signal terminals are bent up at a front end to form a contact portion, and Extending downwardly at the rear end to form a welded portion, and bending into a diagonal shape at a middle portion of the fifth first signal terminal, the sixth first signal terminal, and the seventh first signal terminal The four second signal terminals are further located at the lower end, and the four second signal terminals are bent downward at the front end to form a contact portion, and are bent into a diagonal shape at the middle portion, and are at the rear end. At the same time, the upper bend is extended and then bent downward to form a welded portion. The USB plug structure of claim 1, wherein the eight first signal terminals are further located at a lower end, and the eight first signal terminals are bent downward at a front end to form a contact portion, and At the rear end, the upper end is bent upwardly and then bent downward to extend to form a welded portion, and the fifth first signal terminal, the sixth first signal terminal and the seventh branch The middle portion of the first signal terminal is bent into a diagonal shape, and the four second signal terminals are further located at the upper end, and the four second signal terminals are bent at the front end to form a contact portion, and The middle section is bent into an oblique shape, and at the rear end, it is bent downward and then extended to form a welded portion. The USB plug structure of claim 1, wherein the eight first signal terminals further set the first first signal terminal to ground (GND), and the second first signal terminal to high speed. Transmit positive differential signal (TX+), third first signal terminal is set to high speed transmission negative differential signal (TX-), fourth first signal terminal is set to bus power supply (VBUS), fifth first signal terminal Set to configure channel (CC), the sixth first signal terminal is set to USB2.0 positive differential signal (D+), the seventh first signal terminal is set to USB2.0 negative differential signal (D-) and the twelfth The first signal terminal is set to ground (GND). The USB plug structure according to claim 1, wherein the four second signal terminals further set the ninth second signal terminal to a busbar power supply (VBUS) and a tenth second signal terminal. The high-speed receiving negative differential signal (RX-), the eleventh second signal terminal is set to high-speed receiving positive differential signal (RX+), and the twelfth second signal terminal is set to ground (GND). The USB plug structure of claim 1, wherein the insulating housing is further provided with at least one hole at the front end of the upper and lower sides, and the insulating housing is further combined with a first cover and a first The second cover body and the first cover body and the second cover body are provided with hooks at the front end so as to be buckled in the opening at the front end of the insulating case. The USB plug structure of claim 1, wherein the body and the twelve signal transmission terminals and the H-type spacer are further integrated into a single body through an insert molding method, and Placing the four second signal terminals in the The lower end of the mold is placed on the four second signal terminals, and then the eight first signal terminals are placed above the H-shaped spacer, and finally the mold is filled with plastic. To complete the wrapper. The USB plug structure of claim 1, wherein the body and the twelve signal transmission terminals and the H-type spacer are further integrated into a single body through an insert molding method, and Placing the eight first signal terminals at the lower end of the mold, and placing the H-shaped spacer above the eight first signal terminals, and then placing the four second signal terminals on the H-shaped spacer Above, finally fill the mold with plastic to complete the wrapper. The USB plug structure of claim 1, wherein the twelve signal transmission terminals are further soldered to the circuit board, and the two sides of the rear end of the cover are further bent to extend out of the blade fixing portion, and the The fin fixing portion is attached to the circuit board.