CN205752807U - usb connector - Google Patents

Abstract

A USB connector comprises an insulating base body, a first transmission conductor set, a second transmission conductor set, an isolation plate body, an inner shielding shell and an outer shielding shell. The first transmission conductor set and the second transmission conductor set are arranged on the insulating base body, the isolation plate body is arranged between the first transmission conductor set and the second transmission conductor set, the inner shielding shell body is coated outside the insulating base body, and the outer shielding shell body is coated outside the inner shielding shell body. The front end of the isolation plate body is contacted with the front ends of the grounding transmission conductors of the first transmission conductor group and the grounding transmission conductors of the second transmission conductor group to form grounding. Therefore, the problems of EMI and RFI can be effectively reduced.

Description

usb connector

technical field

The utility model relates to a connector, in particular to a USB Type-C connector.

Background technique

Nowadays, the electronic industry is developed, and various electronic devices are flooded around the lives of ordinary people. Most of the electronic devices are provided with one or more connectors in order to transmit control commands, multimedia data, and even power. Among the common connectors on the market, the Universal Serial Bus (USB) connector is the most common. Generally speaking, USB A-Type is the most widely used and most popular USB interface; USB Micro-B is a relatively small USB interface, mainly used in portable devices such as smart mobile devices and tablet computers. In order to effectively apply to thinner and slimmer devices, the USB development organization has further proposed the USB Type-C interface recently. However, the existing USB Type-C connectors cannot effectively and completely suppress EMI and RFI noise interference, resulting in the existence of some noise interference.

Utility model content

The technical problem to be solved by the utility model is to provide a USB connector, which can effectively reduce the problems of EMI and RFI.

In order to solve the above technical problems, the utility model provides a USB connector, comprising: an insulating substrate; a first transmission conductor group, which is arranged on the insulating substrate; a second transmission conductor group, which is arranged on the insulating substrate On the substrate; an isolation plate, which is arranged between the first transmission conductor group and the second transmission conductor group; an inner shielding shell, which is wrapped outside the insulating matrix; an outer shielding shell, which wraps covered outside the inner shielding shell; and wherein the first transmission conductor set includes a plurality of first transmission conductors, each of the first transmission conductors has a first contact portion, a first base portion, a first root portion and a first A welding part, the first contact part is located at the front end of the first transmission conductor and exposes one side of the insulating matrix, the first base part and the first root part are arranged in the insulating matrix, the first welding part is located at the first The rear end of the transmission conductor extends out of the rear end of the insulating matrix. The first transmission conductors are divided into four transmission conductor units, which are arranged on both sides and in the middle; the second transmission conductor group includes a plurality of second transmission conductors. Conductors, each of the second transmission conductors has a second contact portion, a second base portion, a second root portion and a second welding portion, the second contact portion is located at the front end of the second transmission conductor and exposes the insulating matrix The other side of the second base part and the second root part are arranged in the insulating matrix, the second welding part is located at the rear end of the second transmission conductor and protrudes from the rear end of the insulating matrix, and the second transmission conductors Four transmission conductor units are divided into two sides and the middle; the transmission conductor units on both sides of the first transmission conductors and the second transmission conductors each include two high-frequency differential signal transmission conductors, a power supply transmission conductor and a ground transmission conductor, the power transmission conductor and the ground transmission conductor are respectively located on both sides of the two high-frequency differential signal transmission conductors, and the transmission conductor units in the middle each include two low-frequency differential signal transmission conductors and two Signal detection transmission conductors, the two signal detection transmission conductors are located on both sides of the two low-frequency differential signal transmission conductors; the front end of the isolation board is connected to the ground transmission conductor and the second transmission conductor of the first transmission conductor group The front end contacts of the ground transfer conductors of the set form a ground.

Preferably, the isolation plate body has a fixing portion and an isolation portion, the isolation portion is connected to the fixing portion, the insulating base has a base, a tongue plate and two holding portions, and the fixing portion is arranged between the base and the fixing portion. In the two holding parts, the isolation part is arranged in the tongue plate, and the isolation part is located between the first transmission conductor group and the second transmission conductor group, and the two sides of the fixed part of the isolation plate body and the inner shield The two sides of the casing are in contact with each other to form a ground, and the two sides of the fixing part of the isolation board contact with the two sides of the outer shielding shell to form a ground.

Preferably, the inner shielding shell has a lower plate extension, and the two sides of the lower plate extension are respectively connected to the first root of the ground transmission conductor of the first transmission conductor set and the ground transmission conductor of the second transmission conductor set. The second root contact forms the ground.

Preferably, the outer shielding shell has an upper plate extension, the two sides of the upper plate extension are respectively connected to the first root of the ground transmission conductor of the first transmission conductor set and the ground transmission conductor of the second transmission conductor set The second root contact forms the ground.

Preferably, the inner shielding shell has an inner shell main body, the top, bottom and two sides of the inner shell main body are respectively provided with clamping elastic pieces.

Preferably, the inner shielding shell has an inner shell body, and the top and bottom of the inner shell body near the rear end are respectively provided with ground plates.

Preferably, the inner shielding shell has an inner shell main body, the top, bottom and both sides of the inner shell main body are respectively provided with clamping elastic pieces, and the top and bottom of the inner shell main body are respectively provided with a grounding plate near the rear end piece.

Preferably, the isolation plate body has a fixing portion and an isolation portion, the isolation portion is connected to the fixing portion, the insulating base has a base, a tongue plate and two holding portions, and the fixing portion is arranged between the base and the fixing portion. In the two holding parts, the isolation part is arranged in the tongue plate, and the isolation part is located between the first transmission conductor group and the second transmission conductor group, a notch is formed on both sides of the tongue plate, the isolation The two notches are exposed on both sides of the isolation part of the plate body.

In order to solve the above-mentioned technical problems, the utility model also provides a USB connector, which is characterized in that it includes: an insulating base; a first transmission conductor set arranged on the insulating base; a second transmission conductor set, It is arranged on the insulating base; an isolation plate, which is arranged between the first transmission conductor group and the second transmission conductor group; an inner shielding shell, which is wrapped outside the insulating base; an outer shielding a housing, which wraps the inner shielding shell; and wherein the first transmission conductor set includes a plurality of first transmission conductors, and each of the first transmission conductors has a first contact portion, a first base portion, a first a root portion and a first welding portion, the first contact portion is located at the front end of the first transmission conductor and exposes one side of the insulating matrix, the first base portion and the first root portion are arranged in the insulating matrix, the first welding The part is located at the rear end of the first transmission conductor and protrudes from the rear end of the insulating matrix. The first transmission conductors are divided into four as a transmission conductor unit and arranged on both sides and in the middle; the second transmission conductor group includes A plurality of second transmission conductors, each of which has a second contact portion, a second base portion, a second root portion and a second welding portion, the second contact portion is located at the front end of the second transmission conductor and expose the other side of the insulating base, the second base and the second root are arranged in the insulating base, the second welding part is located at the rear end of the second transmission conductor and protrudes from the rear end of the insulating base, the These second transmission conductors are divided into four transmission conductor units, which are arranged on both sides and in the middle; the transmission conductor units on both sides of the first transmission conductors and the second transmission conductors each contain two high-frequency differential signal Transmission conductor, a power transmission conductor and a ground transmission conductor, the power transmission conductor and the ground transmission conductor are respectively located on both sides of the two high-frequency differential signal transmission conductors, and the transmission conductor units in the middle each contain two low-frequency differential signal transmission conductors a transmission conductor and two signal detection transmission conductors, the two signal detection transmission conductors are located on both sides of the two low-frequency differential signal transmission conductors; the rear end of the isolation board is connected to the ground transmission conductor of the first transmission conductor group The first root of the second transmission conductor set and the second root of the ground transmission conductor of the second transmission conductor set are in contact to form a ground.

In order to solve the above-mentioned technical problems, the utility model also provides a USB connector, which is characterized in that it includes: an insulating base; a first transmission conductor set arranged on the insulating base; a second transmission conductor set, It is arranged on the insulating base; an isolation plate, which is arranged between the first transmission conductor group and the second transmission conductor group; an inner shielding shell, which is wrapped outside the insulating base; an outer shielding a housing, which wraps the inner shielding shell; and wherein the first transmission conductor set includes a plurality of first transmission conductors, and each of the first transmission conductors has a first contact portion, a first base portion, a first a root portion and a first welding portion, the first contact portion is located at the front end of the first transmission conductor and exposes one side of the insulating matrix, the first base portion and the first root portion are arranged in the insulating matrix, the first welding The part is located at the rear end of the first transmission conductor and protrudes from the rear end of the insulating matrix. The first transmission conductors are divided into four as a transmission conductor unit and arranged on both sides and in the middle; the second transmission conductor group includes A plurality of second transmission conductors, each of which has a second contact portion, a second base portion, a second root portion and a second welding portion, the second contact portion is located at the front end of the second transmission conductor and expose the other side of the insulating base, the second base and the second root are arranged in the insulating base, the second welding part is located at the rear end of the second transmission conductor and protrudes from the rear end of the insulating base, the These second transmission conductors are divided into four transmission conductor units, which are arranged on both sides and in the middle; the transmission conductor units on both sides of the first transmission conductors and the second transmission conductors each contain two high-frequency differential signal Transmission conductor, a power transmission conductor and a ground transmission conductor, the power transmission conductor and the ground transmission conductor are respectively located on both sides of the two high-frequency differential signal transmission conductors, and the transmission conductor units in the middle each contain two low-frequency differential signal transmission conductors A transmission conductor and two signal detection transmission conductors, the two signal detection transmission conductors are located on both sides of the two low-frequency differential signal transmission conductors; on the insulating base, every two high-frequency differential signal transmission conductors and every two The two sides of the low-frequency differential signal transmission conductor are respectively provided with an isolation groove.

The beneficial effects of the utility model:

The utility model utilizes the isolation plate body arranged between the first transmission conductor group and the second transmission conductor group, and the contact between the components to form a ground, and the double-layer coating of the inner shielding shell and the outer shielding shell can Effectively reduce the problems of EMI and RFI.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are only for reference and illustration, and are not used to limit the present utility model.

Description of drawings

Fig. 1 is a perspective view of the connector of the present invention.

Fig. 2 is a perspective view of another angle of the connector of the present invention.

FIG. 3 is a perspective view of the first transmission conductor set of the present invention.

Fig. 4 is a perspective view of the second transmission conductor group of the present invention.

Fig. 5 is a perspective view of the first and second transmission conductor groups and the isolation board of the present invention.

Fig. 6 is a perspective view of another angle of the first and second transmission conductor groups and the isolation plate body of the present invention.

Fig. 7 is a perspective view of the connector of the present invention without inner and outer shielding shells.

Fig. 8 is a perspective view of another angle of the connector of the present invention without the inner and outer shielding shells.

Fig. 9 is a perspective view of the connector of the present invention without the outer shielding shell.

FIG. 10 is a perspective view of another angle of the connector of the present invention without the outer shielding shell.

FIG. 11 is a perspective view of the connector of the present invention without the outer shielding shell and the insulating base.

Fig. 12 is a schematic diagram of the contact between the isolation plate body and the inner shielding shell of the present invention.

Fig. 13 is a schematic diagram of the contact between the ground terminal of the first and second transmission conductor groups of the present invention and the inner shielding shell.

Fig. 14 is a schematic diagram (1) of the utility model in which the ground terminals of the first and second transmission conductor groups are in contact with the inner and outer shielding shells.

15 is a schematic diagram (2) of the utility model in which the ground terminals of the first and second transmission conductor groups are in contact with the inner and outer shielding shells.

Fig. 16 is a perspective view of another angle of the connector of the present invention without the inner and outer shielding shells.

Fig. 17 is a perspective view of another embodiment of the connector of the present invention.

Fig. 18 is a perspective view from another angle of the connector according to another embodiment of the present invention.

Fig. 19 is a perspective view of the first and second transmission conductor groups and the isolation plate according to another embodiment of the present invention.

Fig. 20 is a perspective view of another embodiment of the utility model without inner and outer shielding shells of the connector.

detailed description

[first embodiment]

Please refer to Figure 1 to Figure 6, the utility model provides a USB Type-C connector, including an insulating base 1, a first transmission conductor group 2, a second transmission conductor group 3, an isolation board 4, a An inner shielding shell 5 and an outer shielding shell 6 . The first transmission conductor group 2 and the second transmission conductor group 3 are arranged on the insulating substrate 1, the isolation plate body 4 is arranged between the first transmission conductor group 2 and the second transmission conductor group 3, and the inner shielding shell 5 is wrapped on the Outside the insulating base 1 , the outer shielding shell 6 is wrapped on the outside of the inner shielding shell 5 .

Wherein the insulating base 1 can be made of insulating materials such as plastics, the insulating base 1 can have a base 11, a tongue 12 and two holding parts 13 (as shown in Figure 7 and Figure 8), the tongue 12 and two The retaining portion 13 is formed by extending from the front end of the base portion 11 , and two retaining portions 13 are disposed on both sides of the tongue plate 12 at intervals. The first transmission conductor group 2 and the second transmission conductor group 3 are arranged in the base 11, and the front ends of the first transmission conductor group 2 and the second transmission conductor group 3 respectively expose the top surface and the bottom surface of the tongue plate 12, the first transmission conductor The rear ends of the group 2 and the second transmission conductor group 3 protrude from the rear end of the base 11 and are arranged in a row for electrical connection to devices such as circuit boards. Both sides of the tongue plate 12 can be further formed with a notch 16 (as shown in FIG. 16 ), and two notches 16 are exposed on both sides of the isolation part 42 of the isolation plate body 4, so as to make corresponding contact with the butt electrical connector. Forming a ground can effectively reduce the problems of EMI and RFI.

As shown in FIG. 3 , the first transmission conductor group 2 may include a plurality of first transmission conductors 21, these first transmission conductors 21 can be made of metal materials, and each of these first transmission conductors 21 has a first contact part 211, a first base part 212, a first root part 213 and a first welding part 214, the first contact part 211 is located at the front end of the first transmission conductor 21 and exposes one side of the insulating base 1, the first base part 212 and the second The first portion 213 is disposed in the insulating base 1 , and the first soldering portion 214 is located at the rear end of the first transmission conductor 21 and protrudes from the rear end of the insulating base 1 . The first transmission conductors 21 respectively extend outward from the first base portion 212 , so that the first welding portions 214 of the first transmission conductors 21 expand outward.

Further, the first transmission conductors 21 can be divided into four as a transmission conductor unit and arranged on both sides and in the middle. The transmission conductor units A on both sides each include two high-frequency differential signal transmission conductors A1, a power transmission conductor A2, and a ground transmission conductor A3. The power transmission conductor A2 and the ground transmission conductor A3 are respectively located on the two high-frequency differential signal transmission Both sides of conductor A1. The transmission conductor unit B in the middle includes two low frequency differential signal transmission conductors B1 and two signal detection transmission conductors B2, and the two signal detection transmission conductors B2 are located on both sides of the two low frequency differential signal transmission conductors B1.

As shown in FIG. 4, the second transmission conductor group 3 may include a plurality of second transmission conductors 31, these second transmission conductors 31 can be made of metal materials, and each of the second transmission conductors 31 has a second contact part 311, a second base part 312, a second root part 313 and a second welding part 314, the second contact part 311 is located at the front end of the second transmission conductor 31 and exposes the other side of the insulating base 1, the second base part 312 and the first The two root portions 313 are respectively disposed in the insulating base 1 , and the second welding portion 314 is located at the rear end of the second transmission conductor 31 and protrudes from the rear end of the insulating base 1 . The second transmission conductors 31 expand and extend outward from the second base portion 312 , so that the second welding portions 314 of the second transmission conductors 31 expand outward. The first welding parts 214 of the first transmission conductors 21 and the second welding parts 314 of the second transmission conductors 31 are arranged in a row, and the first welding parts 214 of the first transmission conductors 21 and the second welding parts 314 of the first transmission conductors 21 are arranged in a row. The second welding portion 314 of the transmission conductor 31 is preferably formed in a zigzag shape by distinguishing the transmission conductor units.

Further, the second transmission conductors 31 can be divided into four as a transmission conductor unit and arranged on both sides and in the middle. The transmission conductor units C on both sides each include two high-frequency differential signal transmission conductors C1, a power transmission conductor C2, and a ground transmission conductor C3. The power transmission conductor C2 and the ground transmission conductor C3 are respectively located on the two high-frequency differential signal transmission both sides of conductor C1. The transmission conductor unit D in the middle includes two low frequency differential signal transmission conductors D1 and two signal detection transmission conductors D2, and the two signal detection transmission conductors D2 are located on both sides of the two low frequency differential signal transmission conductors D1. In addition, on the insulating base 1, every two high-frequency differential signal transmission conductors A1, every two high-frequency differential signal transmission conductors C1, every two low-frequency differential signal transmission conductors B1, and every two low-frequency differential signal transmission conductors D1 An isolation groove 15 is respectively provided on both sides, which can provide a better isolation effect.

In addition, in another embodiment of the present invention, the high-frequency differential signal transmission conductor can also be omitted, or both the high-frequency differential signal transmission conductor and the low-frequency differential signal transmission conductor can be omitted, so that the first transmission conductors And each of the second transmission conductors includes a power transmission conductor, a ground transmission conductor and a signal detection transmission conductor, or includes a low frequency differential signal transmission conductor, a power transmission conductor, a ground transmission conductor and a signal detection transmission conductor.

Please refer to Fig. 5 and Fig. 6, this separating board body 4 can be made with metal material, and this separating board body 4 can have a fixing part 41 and a separating part 42, and fixing part 41 is U-shaped plate body, and separating part 42 connects on the fixed part 41. The fixing part 41 can be arranged in the base part 11 and the two holding parts 13 of the insulating base 1, the isolation part 42 is arranged in the tongue plate 12 of the insulating base 1, and the isolation part 42 is located in the first transmission conductor group 2 and the second transmission conductor group. Between the conductor groups 3 , the isolation portion 42 is spaced apart from the first transmission conductor group 2 and the second transmission conductor group 3 . Therefore, the problems of EMI and RFI can be effectively reduced by using the isolation board 4 disposed between the first transmission conductor set 2 and the second transmission conductor set 3 .

The isolation plate body 4 can be used to isolate the first transmission conductor group 2 and the second transmission conductor group 3, and the isolation plate body 4 can also be further connected with the ground transmission conductor A3 of the first transmission conductor group 2 and the second transmission conductor group 3, and contact with the inner shielding shell 5 and the outer shielding shell 6 to form a ground.

In this embodiment, the front end of the isolation plate body 4 (such as the isolation portion 42) can be in contact with the front ends of the ground transmission conductor A3 of the first transmission conductor group 2 and the ground transmission conductor C3 of the second transmission conductor group 3 to form a ground ( As shown in Figure 5 and Figure 6), it can effectively reduce the problems of EMI and RFI.

In this embodiment, the rear end of the isolation board body 4 can also be connected to the first root portion 213 of the ground transmission conductor A3 of the first transmission conductor group 2 and the second root portion 313 of the ground transmission conductor C3 of the second transmission conductor group 3 The contact forms a ground (as shown in Figure 5 and Figure 6), which can effectively reduce the problems of EMI and RFI. Specifically, a first extension portion 43 and a second extension portion 44 may be formed at the rear end of the isolation board 4, and the first extension portion 43 is in contact with the first root portion 213 of the ground transmission conductor A3 of the first transmission conductor group 2. To form a ground, the second extension portion 44 is in contact with the second root portion 313 of the ground transmission conductor C3 of the second transmission conductor set 3 to form a ground.

In this embodiment, both sides of the fixing portion 41 of the isolation plate body 4 can be in contact with both sides of the inner shielding shell 5 to form a ground (as shown in Figures 11 and 12), and the fixing of the isolation plate body 4 Both sides of the portion 41 can be in contact with both sides of the outer shielding shell 6 to form a ground (as shown in FIG. 1 ), which can effectively reduce the problems of EMI and RFI. Specifically, the inner edges on both sides of the fixing portion 41 of the isolation plate body 4 can be in contact with the outer edges on both sides of the inner shielding shell 5 to form a ground, and the outer edges on both sides of the fixing portion 41 of the isolation plate body 4 can be Contact with the inner edge of the two side plates 63 of the outer shielding shell 6 to form a ground.

Please refer to Figures 9 to 11, the inner shielding shell 5 can be made of metal material, the inner shielding shell 5 can include an inner shell body 51, an upper plate 52 and a lower plate 53, the upper plate 52 is connected to the inner shell On the upper side of the rear end of the shell body 51 , the lower plate 53 is connected to the lower side of the rear end of the inner shell body 51 . The inner shell main body 51 is arranged outside the tongue plate 12 of the insulating base 1. The upper plate 52 and the lower plate 53 respectively cover the top and bottom of the base 11 of the insulating base 1. The two sides of the inner shell main body 51 are located between the tongue plate 12 and the two Between the holding parts 13. In addition, the top and the bottom of the inner shell body 51 can be respectively provided with clamping elastic pieces 55 , and the two sides of the inner shell main body 51 can be respectively equipped with clamping elastic pieces 55 a. The top and bottom of the inner shell main body 51 can be respectively provided with a grounding plate 56 near the rear end, and the clamping springs 55, 55a and the grounding plate 56 can be in contact with the docking connector to form a ground, which can effectively reduce the problems of EMI and RFI . Preferably, the inner shell body 51 protrudes from the front end of the outer shielding shell 6 , and the width of both sides of the inner shell body 51 is smaller than that of the outer shielding shell 6 .

In this embodiment, the inner shielding shell 5 can have a lower plate extension 54, which can be formed by extending the rear end of the lower plate 53, and the two sides of the lower plate extension 54 are connected to the first transmission conductor group respectively. The first root 213 of the ground transmission conductor A3 of 2 and the second root 313 of the ground transmission conductor C3 of the second transmission conductor group 3 contact to form a ground (as shown in FIG. 13 ), which can effectively reduce the problems of EMI and RFI.

Referring to Fig. 1 to Fig. 2, the outer shielding case 6 can be made of metal material, and the outer shielding case 6 can include a top plate 61, a bottom plate 62 and two side plates 63, and the two side plates 63 are connected to Both sides of the top plate 61 and the bottom plate 62 respectively cover the top and bottom of the inner shielding case 5 , and the two side plates 63 respectively cover the outer sides of the two holding portions 13 of the insulating base 1 . The two side plates 63 are respectively provided with a locking portion 65 , and the locking portion 65 may include a screw locking unit 651 and a plug-in unit 652 , so that the locking portion 65 has functions of screw locking and plug-in fixing. In addition, the insulating base 1 , the first transmission conductor group 2 , the second transmission conductor group 3 and the isolation board 4 of the present invention can form a modular design, and can also cooperate with other shielding shells.

In this embodiment, the outer shielding shell 6 can have an upper plate extension 64, which can be formed by extending the rear end of the top plate 61, and the two sides of the upper plate extension 64 are connected to the first transmission conductor group respectively. The first root 213 of the ground transmission conductor A3 of 2 and the second root 313 of the ground transmission conductor C3 of the second transmission conductor group 3 contact to form a ground (as shown in Figure 14 and Figure 15), which can effectively reduce the problems of EMI and RFI .

[Second embodiment]

Please refer to FIG. 17 to FIG. 20 , this embodiment discloses a sunken board type USB Type-C connector, the insulating base 1, the first transmission conductor group 2, the second transmission conductor group 3, the isolation plate body 4, the inner shield The structures of the casing 5 and the outer shielding casing 6 are substantially the same as those of the above-mentioned embodiments, and the only difference is that the sunken plate design is adopted.

Therefore, the utility model can utilize the isolation plate body arranged between the first transmission conductor group and the second transmission conductor group, and the contact between the components to form a ground, and the double-layer shielding shell and the outer shielding shell Coating can effectively reduce the problems of EMI and RFI.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the scope of patent protection of the present utility model. Therefore, all equivalent changes made by using the description of the utility model and the contents of the accompanying drawings are all included in this utility model in the same way. Within the scope of the new type of rights protection, I agree with Chen Ming.

Claims (10)

1. a USB connector, it is characterised in that including:

One insulating body；

One first transmission conductor group, it is arranged on this insulating body；

One second transmission conductor group, it is arranged on this insulating body；

One isolation plate body, it is arranged between this first transmission conductor group and this second transmission conductor group；

One inner shield housing, it is coated on outside this insulating body；

One external shield housing, it is coated on outside this inner shield housing；And

Wherein this first transmission conductor group comprises multiple first transmission conductor, and those first transmission conductors respectively have One first contact site, one first base portion, one first root and one first weld part, this first contact site in The front end of this first transmission conductor and expose the one side of this insulating body, this first base portion and this first root set Being placed in this insulating body, this first welding position is in the rear end of this first transmission conductor and stretches out this insulation base The rear end of body, those first transmission conductors are a transmission conductor unit with four, are divided into both sides and centre Place；This second transmission conductor group comprises multiple second transmission conductor, and those second transmission conductors respectively have one Two contact sites, one second base portion, one second root and one second weld part, this second contact site in this The front end of two transmission conductors and expose the another side of this insulating body, this second base portion and this second root are arranged In this insulating body, this second welding position is in the rear end of this second transmission conductor and stretches out this insulating body Rear end, those second transmission conductors are a transmission conductor unit with four, are divided into both sides and middle； Transmission conductor unit at those first transmission conductors and those the second transmission conductor both sides respectively comprise two high Frequently differential signal transmission conductor, a power delivery conductor and a ground connection transmission conductor, this power delivery conductor and This ground connection transmission conductor lays respectively at the both sides of these two high frequency differential signal transmission conductors, the transmission of middle Conductor element respectively comprises two low frequency differential signal transmission conductors and two signal detecting transmission conductors, these two Signal detecting transmission conductor is positioned at the both sides of these two low frequency differential signal transmission conductors；Before this isolation plate body Hold the ground connection transmission conductor with this first transmission conductor group and the ground connection transmission conductor of this second transmission conductor group Front end in contact formed ground connection.

2. USB connector as claimed in claim 1, it is characterised in that it is solid that this isolation plate body has Determining portion and an isolation part, this isolation part is connected to this fixed part, and this insulating body has a base portion, a hyoplastron And two holding parts, this fixed part is arranged in this base portion and these two holding parts, and this isolation part is arranged at this In hyoplastron, and this isolation part is between this first transmission conductor group and this second transmission conductor group, this isolation The both sides of the fixed part of plate body form ground connection with two side contacts of this inner shield housing, fixing of this isolation plate body The both sides in portion form ground connection with two side contacts of this external shield housing.

3. USB connector as claimed in claim 1, it is characterised in that this inner shield housing has Lower plate extension, the both sides of this lower plate extension respectively with the ground connection transmission conductor of this first transmission conductor group Second root contact of the ground connection transmission conductor of the first root and this second transmission conductor group forms ground connection.

4. USB connector as claimed in claim 1, it is characterised in that this external shield housing has Upper plate extension, the both sides of this upper plate extension respectively with the ground connection transmission conductor of this first transmission conductor group Second root contact of the ground connection transmission conductor of the first root and this second transmission conductor group forms ground connection.

5. USB connector as claimed in claim 1, it is characterised in that this inner shield housing has Inner shell main body, the top of this inner shell main body, bottom and be respectively provided on two sides with holding shrapnel.

6. USB connector as claimed in claim 1, it is characterised in that this inner shield housing has Inner shell main body, the nearly rear end in the top of this inner shell main body and bottom is respectively equipped with ground connection plate.

7. USB connector as claimed in claim 1, it is characterised in that this inner shield housing has Inner shell main body, the top of this inner shell main body, bottom and be respectively provided on two sides with holding shrapnel, and this inner shell main body The nearly rear end in top and bottom be respectively equipped with ground connection plate.

8. USB connector as claimed in claim 1, it is characterised in that it is solid that this isolation plate body has Determining portion and an isolation part, this isolation part is connected to this fixed part, and this insulating body has a base portion, a hyoplastron And two holding parts, this fixed part is arranged in this base portion and these two holding parts, and this isolation part is arranged at this In hyoplastron, and this isolation part is between this first transmission conductor group and this second transmission conductor group, this hyoplastron Both sides be respectively formed with a recess, this two recess is exposed in the both sides of the isolation part of this isolation plate body.

9. a USB connector, it is characterised in that including:

One insulating body；

One first transmission conductor group, it is arranged on this insulating body；

One second transmission conductor group, it is arranged on this insulating body；

One isolation plate body, it is arranged between this first transmission conductor group and this second transmission conductor group；

One inner shield housing, it is coated on outside this insulating body；

One external shield housing, it is coated on outside this inner shield housing；And

Wherein this first transmission conductor group comprises multiple first transmission conductor, and those first transmission conductors respectively have One first contact site, one first base portion, one first root and one first weld part, this first contact site in The front end of this first transmission conductor and expose the one side of this insulating body, this first base portion and this first root set Being placed in this insulating body, this first welding position is in the rear end of this first transmission conductor and stretches out this insulation base The rear end of body, those first transmission conductors are a transmission conductor unit with four, are divided into both sides and centre Place；This second transmission conductor group comprises multiple second transmission conductor, and those second transmission conductors respectively have one Two contact sites, one second base portion, one second root and one second weld part, this second contact site in this The front end of two transmission conductors and expose the another side of this insulating body, this second base portion and this second root are arranged In this insulating body, this second welding position is in the rear end of this second transmission conductor and stretches out this insulating body Rear end, those second transmission conductors are a transmission conductor unit with four, are divided into both sides and middle； Transmission conductor unit at those first transmission conductors and those the second transmission conductor both sides respectively comprise two high Frequently differential signal transmission conductor, a power delivery conductor and a ground connection transmission conductor, this power delivery conductor and This ground connection transmission conductor lays respectively at the both sides of these two high frequency differential signal transmission conductors, the transmission of middle Conductor element respectively comprises two low frequency differential signal transmission conductors and two signal detecting transmission conductors, these two Signal detecting transmission conductor is positioned at the both sides of these two low frequency differential signal transmission conductors；After this isolation plate body Hold the first root of ground connection transmission conductor with this first transmission conductor group and connecing of this second transmission conductor group Second root contact of ground transmission conductor forms ground connection.

10. a USB connector, it is characterised in that including:

One insulating body；

One first transmission conductor group, it is arranged on this insulating body；

One second transmission conductor group, it is arranged on this insulating body；

One isolation plate body, it is arranged between this first transmission conductor group and this second transmission conductor group；

One inner shield housing, it is coated on outside this insulating body；

One external shield housing, it is coated on outside this inner shield housing；And

Wherein this first transmission conductor group comprises multiple first transmission conductor, and those first transmission conductors respectively have One first contact site, one first base portion, one first root and one first weld part, this first contact site in The front end of this first transmission conductor and expose the one side of this insulating body, this first base portion and this first root set Being placed in this insulating body, this first welding position is in the rear end of this first transmission conductor and stretches out this insulation base The rear end of body, those first transmission conductors are a transmission conductor unit with four, are divided into both sides and centre Place；This second transmission conductor group comprises multiple second transmission conductor, and those second transmission conductors respectively have one Two contact sites, one second base portion, one second root and one second weld part, this second contact site in this The front end of two transmission conductors and expose the another side of this insulating body, this second base portion and this second root are arranged In this insulating body, this second welding position is in the rear end of this second transmission conductor and stretches out this insulating body Rear end, those second transmission conductors are a transmission conductor unit with four, are divided into both sides and middle； Transmission conductor unit at those first transmission conductors and those the second transmission conductor both sides respectively comprise two high Frequently differential signal transmission conductor, a power delivery conductor and a ground connection transmission conductor, this power delivery conductor and This ground connection transmission conductor lays respectively at the both sides of these two high frequency differential signal transmission conductors, the transmission of middle Conductor element respectively comprises two low frequency differential signal transmission conductors and two signal detecting transmission conductors, these two Signal detecting transmission conductor is positioned at the both sides of these two low frequency differential signal transmission conductors；On this insulating body in The both sides of each two high frequency differential signal transmission conductor and each two low frequency differential signal transmission conductor set respectively There is an isolation channel.