TW201740642A - USB Type-C Connector - Google Patents

Abstract

A USB Type-C Connector includes an insulative base, a first transmission conductor set, a second transmission conductor set, an isolation plate, an inner shielding housing and an outer shielding housing. The first transmission conductor set and the second transmission conductor set are arranged on the insulative base. The isolation plate is disposed between the first transmission conductor set and the second transmission conductor set. The inner shielding housing covers the insulative base. The outer shielding housing covers the inner shielding housing. The insulative base has a base portion, a tongue board and two retaining portions. The first transmission conductor set and the second transmission conductor set are arranged in the base portion. Front ends of the first transmission conductor set and front ends of the second transmission conductor set are respectively exposed outside a top side and a bottom side of the tongue board. Rear ends of the first transmission conductor set and rear ends of the second transmission conductor set are extended beyond a rear end of the base portion and arranged in a row. Therefore, it can make the structure simplified, assembly convenient and cost lower, and further effectively reduce the problems of EMI and RFI.

Description

USB Type-C connector

The present invention relates to a connector, and more particularly to a USB Type-C connector.

According to the current development of the electronics industry, all kinds of electronic devices are filled with the general public's life, and in order to transmit control commands, multimedia materials and even power, most electronic devices are provided with one or more connectors. The most common connectors on the market are the Universal Serial Bus (USB) connectors. In general, 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 tablets. In order to effectively apply to thinner and thinner devices, the USB development organization has recently proposed the USB Type-C interface. However, the existing USB Type-C connectors are mostly designed to be very complicated, and the assembly is inconvenient, resulting in difficulty in reducing costs.

In summary, the present inventors have felt that the above-mentioned defects can be improved, and the present invention has been put forward with great interest in designing and coordinating the above-mentioned defects.

The technical problem to be solved by the present invention is to provide a USB Type-C connector, which has a simple structure and convenient assembly, and can reduce the cost.

In order to solve the above technical problem, the present invention provides a USB Type-C connection. The device includes: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body disposed on the first transmission Between the conductor set and the second transmission conductor set; an inner shield shell enclosing the outer surface of the insulating base; an outer shield shell enclosing the outer shield shell; and wherein the insulating base has a a base portion, a tongue plate and two retaining portions, the tongue plate and the two retaining portions are formed by extending a front end of the base portion, and the two retaining portions are spaced apart from each other on opposite sides of the tongue plate, the first transmission conductor group And the second transmission conductor set is disposed in the base of the insulating base, the front ends of the first transmission conductor set and the second transmission conductor set respectively exposing a top surface and a bottom surface of the tongue plate, the first transmission conductor set and the The rear end of the second transmission conductor set protrudes from the rear end of the base of the insulating substrate and is arranged in a row.

In order to solve the above technical problem, the present invention further provides a USB Type-C connector, comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; and a second transmission conductor set disposed on An insulating substrate disposed between the first transmission conductor set and the second transmission conductor set; and wherein the insulating base has a base portion, a tongue plate and two retaining portions, the tongue plate And the two holding portions are formed by extending a front end of the base portion, the two holding portions are spaced apart from each other on opposite sides of the tongue plate, the first transmission conductor group includes a plurality of first transmission conductors, and the first transmission conductors Each having a first contact portion, a first base portion, a first root portion, and a first solder portion, the first contact portion being located at a front end of the first transmission conductor and exposing a top surface of the tongue plate, the first base portion And the first root portion is disposed in a base of the insulating base, the first soldering portion is located at a rear end of the first transmission conductor and protrudes from a rear end of the base of the insulating substrate, and the second transmission conductor group includes a plurality of Two transmission conductors, the Each of the second transmission conductors has a second contact portion, a second base portion, a second root portion and a second soldering portion. The second contact portion is located at a front end of the second transmission conductor and exposes a bottom surface of the tongue plate. The second base portion and the second root portion are disposed in a base portion of the insulating base body, the second soldering portion is located at a rear end of the second transfer conductor and protrudes from a rear end of the base portion of the insulating base body, the first transfer conductors First weld and the first The second welded portions of the two transfer conductors are arranged in a row.

The invention has at least the following advantages: the insulating base body, the first transmission conductor group, the second transmission conductor group and the isolation plate body of the invention form a modular design, so that the overall structure of the connector is simple, the assembly is convenient, and the cost is effective. The reduction.

The invention utilizes the isolating plate body disposed between the first transmission conductor set and the second transmission conductor set, and the double shielding of the inner shielding casing and the outer shielding casing, thereby effectively reducing the problems of EMI and RFI.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

1‧‧‧Insulating substrate

11‧‧‧ base

12‧‧ ‧ tongue

13‧‧‧ Holding Department

2‧‧‧First transmission conductor set

21‧‧‧First transmission conductor

211‧‧‧ first contact

212‧‧‧ first base

213‧‧‧first root

214‧‧‧First Welding Department

3‧‧‧Second transmission conductor set

31‧‧‧Second transmission conductor

311‧‧‧Second contact

312‧‧‧ Second Base

313‧‧‧Second root

314‧‧‧Second Welding Department

4‧‧‧Isolated plate

41‧‧‧ Fixed Department

42‧‧‧Isolation Department

5‧‧‧Inside shielded housing

51‧‧‧ inner shell body

52‧‧‧Upper board

53‧‧‧ Lower board

55‧‧‧Clamping shrapnel

55a‧‧‧Clamping shrapnel

56‧‧‧ Grounding plate

6‧‧‧Outer shielded housing

61‧‧‧ top board

62‧‧‧floor

63‧‧‧ side panels

65‧‧‧Locking

651‧‧‧Silver lock unit

652‧‧‧Docking unit

A‧‧‧Transmission conductor unit

A1‧‧‧High frequency differential signal transmission conductor

A2‧‧‧Power transmission conductor

A3‧‧‧ Grounding conductor

B‧‧‧Transmission conductor unit

B1‧‧‧Low-frequency differential signal transmission conductor

B2‧‧‧ Signal detection transmission conductor

C‧‧‧Transmission conductor unit

C1‧‧‧High frequency differential signal transmission conductor

C2‧‧‧Power transmission conductor

C3‧‧‧Ground transmission conductor

D‧‧‧Transmission conductor unit

D1‧‧‧Low-frequency differential signal transmission conductor

D2‧‧‧ signal detection transmission conductor

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

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

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

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

Figure 5 is a perspective view of the first and second transmission conductor sets and the spacer body of the present invention.

Figure 6 is a perspective view of the first and second transmission conductor sets and the spacer body of the present invention at another angle.

Figure 7 is a perspective view of the connector of the present invention with the inner and outer shield housing removed.

Figure 8 is a perspective view of the connector of the present invention with the inner and outer shield shells removed at another angle.

Figure 9 is a perspective view of the connector of the present invention with the outer shield housing removed.

Figure 10 is a perspective view of the connector of the present invention with the outer shield housing removed from another angle.

Figure 11 is a perspective view of the connector of the present invention with the outer shield case and the insulating base removed.

Figure 12 is a perspective view of a connector in accordance with another embodiment of the present invention.

Figure 13 is a perspective view of another angle of the connector of another embodiment of the present invention.

Figure 14 is a perspective view of a first and second transmission conductor set and a spacer body according to another embodiment of the present invention.

Figure 15 is a perspective view of the connector removing the inner and outer shield housings according to another embodiment of the present invention.

[First Embodiment]

Referring to FIG. 1 to FIG. 6 , the present invention provides a USB Type-C connector including an insulating substrate 1, a first transmission conductor group 2, a second transmission conductor group 3, an isolation plate body 4, and an inner shield. The housing 5 and an outer shield housing 6. The first transmission conductor group 2 and the second transmission conductor group 3 are disposed on the insulating substrate 1. The isolation plate body 4 is disposed between the first transmission conductor group 2 and the second transmission conductor group 3, and the inner shielding shell 5 is covered by Outside the insulating base 1, the outer shield case 6 is wrapped around the outer shield case 5.

The insulating base 1 can be made of an insulating material such as plastic. The insulating base 1 can have a base portion 11, a tongue plate 12 and two retaining portions 13 (as shown in FIGS. 7 and 8), the tongue plate 12 and two. The holding portion 13 is formed to extend from the front end of the base portion 11, and the two holding portions 13 are spaced apart from each other on both sides of the tongue plate 12. The first transmission conductor group 2 and the second transmission conductor group 3 are disposed in the base portion 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 extend beyond the rear end of the base portion 11 and are arranged in a row for electrically connecting to a device such as a circuit board.

As shown in FIG. 3, the first transmission conductor set 2 may include a plurality of first transmission conductors 21, and the first transmission conductors 21 may be made of a metal material, and the first transmission conductors 21 each have a first contact. a portion 211, a first base portion 212, a first root portion 213 and a first solder portion 214. The first contact portion 211 is located at a front end of the first transfer conductor 21 and exposes one side of the insulating substrate 1, the first base portion 212 and the first portion A portion 213 is disposed in the insulating base 1, and the first soldering portion 214 is located at the rear end of the first transfer conductor 21 and protrudes from the rear end of the insulating base 1. The first transmission conductors 21 are respectively extended outwardly from the first base portion 212 to expand the first soldering portions 214 of the first transmission conductors 21 outward.

Further, the first transmission conductors 21 can be four as a transmission conductor Yuan, divided into two sides and the middle. The transmission conductor units A at both sides respectively comprise two high frequency differential signal transmission conductors A1, a power transmission conductor A2 and a ground transmission conductor A3, and the power transmission conductor A2 and the ground transmission conductor A3 are respectively located at two high frequency differential signal transmissions. Both sides of the 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 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 set 3 may include a plurality of second transmission conductors 31, which may be made of a metal material, and the second transmission conductors 31 each have a second contact. a portion 311, a second base portion 312, a second root portion 313 and a second solder portion 314. The second contact portion 311 is located at the front end of the second transfer conductor 31 and exposes the other surface of the insulating substrate 1, the second base portion 312 and the first portion The two portions 313 are respectively disposed in the insulating base 1, and the second welded portion 314 is located at the rear end of the second transfer conductor 31 and protrudes from the rear end of the insulating base 1. The second transmission conductors 31 are respectively extended outwardly from the second base portion 312 to expand the second soldering portions 314 of the second transmission conductors 31 outward. The first soldering portion 214 of the first transmission conductors 21 and the second soldering portions 314 of the second transmission conductors 31 are arranged in a row, and the first soldering portions 214 of the first transmission conductors 21 and the second portions The second soldering portions 314 of the transmission conductors 31 are preferably formed in a staggered manner by the transmission conductor units.

Further, the second transmission conductors 31 can be divided into four transmission conductor units, which are disposed on both sides and in the middle. The transmission conductor units C at both sides respectively comprise two high frequency differential signal transmission conductors C1, a power transmission conductor C2 and a ground transmission conductor C3, and the power transmission conductor C2 and the ground transmission conductor C3 are respectively located at two high frequency differential signal transmissions. Both sides of the 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 two signal detection transmission conductors D2 are located on both sides of the two low frequency differential signal transmission conductors D1.

In another embodiment of the present invention, the high-frequency differential signal transmission conductor may be omitted, or the high-frequency differential signal transmission conductor and the low-frequency differential signal transmission conductor may be omitted, so that the first transmission conductors and The second transmission conductors are each packaged It includes a power transmission conductor, a ground transmission conductor, and a signal detection transmission conductor, or a low frequency differential signal transmission conductor, a power transmission conductor, a ground transmission conductor, and a signal detection transmission conductor.

Referring to FIG. 5 and FIG. 6 , the spacer body 4 can be made of a metal material. The spacer body 4 can have a fixing portion 41 and a partition portion 42 . The fixing portion 41 is a U-shaped plate body, and the partition portion 42 is connected. In the fixing portion 41. The fixing portion 41 can be disposed in the base portion 11 and the two holding portions 13 of the insulating base body 1. The partition portion 42 is disposed in the tongue plate 12 of the insulating base body 1, and the partition portion 42 is located in the first transmission conductor group 2 and the second transmission portion. Between the conductor sets 3, the isolation portion 42 is spaced apart from the first transmission conductor group 2 and the second transmission conductor group 3. The spacer body 4 can be used to isolate the first transmission conductor set 2 and the second transmission conductor set 3. Therefore, the spacer body 4 disposed between the first transmission conductor group 2 and the second transmission conductor group 3 can be utilized to effectively reduce the problems of EMI and RFI.

Referring to FIG. 9 to FIG. 11 , the inner shield shell 5 can be made of a metal material. The inner shield shell 5 can include an inner shell main body 51 , an upper plate 52 and a lower plate 53 . The upper plate 52 is connected to the inner plate 52 . On the upper side of the rear end of the case main body 51, the lower plate 53 is connected to the lower side of the rear end of the inner case main body 51. The inner casing main body 51 is disposed outside the tongue plate 12 of the insulating base body 1. The upper plate 52 and the lower plate 53 respectively cover the top and bottom of the base portion 11 of the insulating base 1. The two sides of the inner casing main body 51 are located at the tongue plate 12 and the two. Between the holding portions 13. In addition, the top and bottom of the inner casing main body 51 may be respectively provided with clamping elastic pieces 55, and the inner side of the inner casing main body 51 may be respectively provided with clamping elastic pieces 55a. The grounding plate 56 can be respectively disposed at the top and bottom of the inner casing main body 51 at the top and bottom ends. The clamping elastic pieces 55, 55a and the grounding plate 56 can be grounded with the mating connector to effectively reduce the problem of EMI and RFI. . Preferably, the inner casing main body 51 protrudes from the front end of the outer shield casing 6, and the width of both sides of the inner casing main body 51 is smaller than the width of both sides of the outer shield casing 6.

Referring to FIG. 1 to FIG. 2 , the outer shield shell 6 can be made of a metal material. The outer shield shell 6 can include a top plate 61 , a bottom plate 62 and two side plates 63 . The two side plates 63 are connected to the top plate 61 . And the two sides of the bottom plate 62, the top plate 61 and the bottom plate 62 respectively cover the top and the bottom of the inner shielding shell 5, and the two side plates 63 respectively cover the insulating base The outer sides of the two holding portions 13 of the body 1. The two side plates 63 are respectively provided with a locking portion 65. The locking portion 65 can include a screw locking unit 651 and a plugging unit 652, so that the locking portion 65 has the functions of screw locking and plug fixing. In addition, the insulating substrate 1, the first transmission conductor group 2, the second transmission conductor group 3 and the isolating plate body 4 of the present invention can form a modular design, and can also be combined with other shielding housings.

[Second embodiment]

Referring to FIG. 12 to FIG. 15 , the embodiment discloses a sinker type USB Type-C connector, the insulating base body 1 , the first transmission conductor group 2 , the second transmission conductor group 3 , the isolation plate body 4 , and the inner shielding shell The structure of the body 5 and the outer shield case 6 is substantially the same as that of the above embodiment, and the only difference is that the sink plate type design is adopted.

Therefore, the insulating base body, the first transmission conductor group, the second transmission conductor group and the isolation plate body of the invention form a modular design, so that the overall structure of the connector is simple, the assembly is convenient, and the cost can be effectively reduced.

Furthermore, the present invention can utilize the two-layer cladding of the isolation plate body disposed between the first transmission conductor group and the second transmission conductor group, and the inner shielding shell and the outer shielding shell, thereby effectively reducing EMI and RFI. problem.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, the equivalent changes of the present invention and the contents of the drawings are all included in the protection of the present invention. Within the scope, it is combined with Chen Ming.

1‧‧‧Insulating substrate

5‧‧‧Inside shielded housing

51‧‧‧ inner shell body

6‧‧‧Outer shielded housing

61‧‧‧ top board

63‧‧‧ side panels

65‧‧‧Locking

651‧‧‧Silver lock unit

652‧‧‧Docking unit

Claims (10)

A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; The insulating base has a base portion, a tongue plate and two retaining portions. The tongue plate and the two retaining portions are formed by extending a front end of the base portion. The two retaining portions are spaced apart from each other on both sides of the tongue plate. The first transmission conductor group and the second transmission conductor group are disposed in a base portion of the insulating substrate, and the front ends of the first transmission conductor group and the second transmission conductor group respectively expose a top surface and a bottom surface of the tongue plate. A transmission conductor set and a rear end of the second transmission conductor set extend beyond the rear end of the base of the insulating substrate and are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; The first transmission conductor group includes a plurality of first transmission conductors, each of the first transmission conductors having a first contact portion, a first base portion, a first root portion and a first solder portion, the first contact portion a first base portion and the first root portion are disposed in the insulating base body at a front end of the first transmission conductor and exposing a side of the insulating substrate a first soldering portion is located at a rear end of the first transmission conductor and protrudes from a rear end of the insulating substrate, and the first transmission conductors are respectively extended outwardly from the first base portion to make the first transmission conductors a soldering portion is outwardly expanded, and the first transmission conductors are divided into four transmission conductor units, which are disposed at two sides and an intermediate portion; the second transmission conductor group includes a plurality of second transmission conductors, and the second transmission conductors The conductors each have a second contact portion, a second base portion, a second root portion and a second soldering portion, the second contact portion being located at the front end of the second transmission conductor and exposing the other side of the insulating substrate, the second The base portion and the second root portion are disposed in the insulating base body, the second soldering portion is located at a rear end of the second transfer conductor and protrudes from a rear end of the insulating base body, and the second transfer conductors are respectively located at the second base portion Extending outwardly, the second soldering portions of the second transmission conductors are outwardly expanded, and the first soldering portions of the first transmitting conductors and the second soldering portions of the second transmitting conductors are arranged in a row. The second transmission conductor is four The transmission conductor unit is disposed at two sides and at the middle; the transmission conductor units at the two sides of the first transmission conductor and the second transmission conductors respectively comprise two high frequency differential signal transmission conductors, a power transmission conductor and a a ground transmission conductor, the power transmission conductor and the ground transmission conductor are respectively located on two sides of the two high frequency differential signal transmission conductors, and the transmission conductor unit in the middle comprises two low frequency differential signal transmission conductors and two signal detection transmissions The conductors are located on opposite sides of the two low frequency differential signal transmission conductors. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; Wherein the first transmission conductor group includes a plurality of first transmission conductors, and the first transmissions Each of the conductors has a first contact portion, a first base portion, a first root portion and a first solder portion, the first contact portion being located at a front end of the first transmission conductor and exposing a side of the insulating substrate, the first The base portion and the first root portion are disposed in the insulating base body, the first soldering portion is located at a rear end of the first transfer conductor and protrudes from a rear end of the insulating base body, and the first transfer conductors are respectively located at the first base portion Expanding outwardly to extend the first soldering portion of the first transmission conductors outward; the second transmission conductor group includes a plurality of second transmission conductors, each of the second transmission conductors having a second contact portion a second base portion, a second root portion and a second soldering portion, the second contact portion is located at a front end of the second transmission conductor and exposing the other surface of the insulating substrate, and the second base portion and the second root portion are disposed on the insulating portion a second soldering portion is located at a rear end of the second transmission conductor and protrudes from a rear end of the insulating substrate, and the second transmission conductors are respectively extended outwardly from the second base portion to make the second portions Second welding of the transmission conductor Expanding outwardly, the first soldering portions of the first transmission conductors and the second soldering portions of the second transmission conductors are arranged in a row; the first transmission conductors and the second transmission conductors each comprise a power transmission conductor, The ground transmission conductor and the signal detection transmission conductor or the low frequency differential signal transmission conductor, the power transmission conductor, the ground transmission conductor, and the signal detection transmission conductor. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; The spacer body has a fixing portion and a partition portion. The partition portion is connected to the fixing portion. The insulating base has a base portion, a tongue plate and two holding portions. The fixing portion is disposed at a base portion of the insulating base body. In the two holding portions, the partition is set In the tongue plate, the partition portion is located between the first transmission conductor group and the second transmission conductor group, and the front ends of the first transmission conductor group and the second transmission conductor group respectively expose the top surface of the tongue plate And a bottom surface, the first transmission conductor set and the rear end of the second transmission conductor group protrude from the rear end of the base of the insulating substrate, and are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; The inner shielding shell comprises an inner casing main body, an upper plate and a lower plate. The upper plate is connected to the upper end of the rear end of the inner casing main body, and the lower plate is connected to the lower side of the rear end of the inner casing main body. The base body has a base portion, a tongue plate and two holding portions, the inner casing body is disposed outside the tongue plate, and the upper plate and the lower plate respectively cover the top and the bottom of the base of the insulating base body, and the inner casing body The two sides are located between the tongue plate and the two holding portions. The top, the bottom and the two sides of the inner casing body are respectively provided with clamping elastic pieces, and the top and bottom portions of the inner casing body are respectively provided with grounding plates. Chip, the first transmission conductor set and the second transmission conductor The front end of the group respectively exposes the top surface and the bottom surface of the tongue plate, and the rear ends of the first transmission conductor group and the second transmission conductor group protrude from the rear end of the base of the insulating substrate and are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body Provided between the first transmission conductor set and the second transmission conductor set; An inner shielding shell covering the outer surface of the insulating base; an outer shielding shell covering the outer side of the inner shielding shell; and wherein the outer shielding shell comprises a top plate, a bottom plate and two side plates, The two side plates are connected to the top plate and the two sides of the bottom plate. The insulating base has a base portion, a tongue plate and two holding portions. The top plate and the bottom plate respectively cover the top and the bottom of the inner shielding shell. The side plates respectively cover the outer sides of the two holding portions of the insulating base, and the two side plates are respectively provided with a locking portion, the locking portion comprises a screw locking unit and a plugging unit, the first transmission conductor group and the second transmission The front ends of the conductor sets respectively expose both sides of the tongue of the insulating substrate, and the rear ends of the first transmission conductor group and the second transmission conductor group protrude from the rear end of the base of the insulating substrate and are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; Wherein the inner shielding shell comprises an inner casing body, the insulating base body has a base portion, a tongue plate and two retaining portions, the inner casing body is disposed outside the tongue plate, and the inner casing body protrudes from the outer shield a front end of the housing, the width of the two sides of the inner casing main body is smaller than the width of the two sides of the outer shielding shell, the two sides of the inner casing main body are located between the tongue plate and the two holding portions, the first transmission conductor group And the front end of the second transmission conductor group respectively exposes a top surface and a bottom surface of the tongue plate, and the rear ends of the first transmission conductor group and the second transmission conductor group protrude from a rear end of the base of the insulating substrate, and are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; an isolating plate body disposed on the first transmission conductor set and the second transmission conductor Between the groups; and wherein the insulating base has a base portion, a tongue plate and two retaining portions, the tongue plate and the two retaining portions are formed by extending a front end of the base portion, and the two retaining portions are spaced apart from the tongue The first transmission conductors each comprise a first contact portion, a first base portion, a first root portion and a first solder portion. a first contact portion is located at a front end of the first transmission conductor and exposes a top surface of the tongue plate, the first base portion and the first root portion are disposed in a base portion of the insulating substrate, and the first soldering portion is located at the first transmission conductor a rear end of the base of the insulating substrate, the second transmission conductor group includes a plurality of second transmission conductors, each of the second transmission conductors having a second contact portion, a second base portion, and a second Two roots and one second welded part, a second contact portion is located at a front end of the second transmission conductor and exposes a bottom surface of the tongue plate, the second base portion and the second root portion are disposed in a base portion of the insulating substrate, and the second solder portion is located at the second transmission conductor A rear end of the base of the insulating base and a second soldering portion of the second transfer conductors are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body An inner shielding shell is disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell is wrapped around the insulating base; and wherein the insulating base has a base, a tongue and two holding portions The tongue plate and the two retaining portions are formed by extending a front end of the base portion. The two retaining portions are spaced apart from each other on opposite sides of the tongue plate, and the first transmission conductor group includes a plurality of first transmission guides. The first transmission conductors each have a first contact portion, a first base portion, a first root portion and a first soldering portion, the first contact portion being located at the front end of the first transmission conductor and exposing the tongue plate a top surface, the first base portion and the first root portion are disposed in a base portion of the insulating base, the first solder portion is located at a rear end of the first transfer conductor and protrudes from a rear end of the base portion of the insulating base body, the first portion The second transmission conductor group includes a plurality of second transmission conductors, each of the second transmission conductors having a second contact portion, a second base portion, a second root portion and a second soldering portion, wherein the second contact portion is located at the second a front end of the transmission conductor and exposing a bottom surface of the tongue plate, the second base portion and the second root portion are disposed in a base portion of the insulating substrate, the second solder portion is located at a rear end of the second transmission conductor and protrudes from the insulation The rear end of the base of the base, the first soldering portions of the first transmission conductors and the second soldering portions of the second transmission conductors are arranged in a row. A USB Type-C connector comprising: an insulating substrate; a first transmission conductor set disposed on the insulating substrate; a second transmission conductor set disposed on the insulating substrate; and an isolating plate body And disposed between the first transmission conductor set and the second transmission conductor set; an inner shielding shell covering the outside of the insulating base; an outer shielding shell covering the outer shielding shell; The insulating base has a base portion, a tongue plate and two retaining portions. The tongue plate and the two retaining portions are formed by extending a front end of the base portion. The two retaining portions are spaced apart from each other on both sides of the tongue plate. The first transmission conductor group includes a plurality of first transmission conductors, each of the first transmission conductors having a first contact portion, a first base portion, a first root portion and a first soldering portion, the first contact portion being located a front end of the first transmission conductor and exposing a top surface of the tongue plate, the first base portion and the first root portion being respectively disposed in a base portion of the insulating base body, the first soldering portion being located at a rear end of the first transmission conductor and Extending the rear end of the base of the insulating substrate The second transmission conductor group includes a plurality of second transmission conductors, each of the second transmission conductors having a second contact portion and a second base portion. a second root portion and a second soldering portion, the second contact portion is located at a front end of the second transmission conductor and exposing a bottom surface of the tongue plate, and the second base portion and the second root portion are disposed in a base portion of the insulating substrate The second soldering portion is located at a rear end of the second transmission conductor and protrudes from a rear end of the base of the insulating substrate, and the first soldering portion of the first transmission conductor and the second soldering portion of the second transmission conductors are arranged In a row.