CN204424610U - USB 3.1 Type-C socket connector - Google Patents

Abstract

The utility model discloses a kind of USB 3.1 Type-C socket connector, includes an insulating body, multiple the first terminal, multiple second terminal and metal shell; The plurality of the first terminal and multiple second terminal are all arranged on insulating body, cover insulating body outside this metal shell; This metal shell is provided with the screen unit of the electronic devices and components on capping circuit board, screen unit includes inner shield shell and external shielding case, this inner shield shell is provided with for the through hole dispelled the heat and inspect, this external shielding case to be arranged on inner shield shell and to cover through hole.By this, by being provided with screen unit on metal shell, utilize the electronic devices and components on screen unit capping circuit board, to avoid the electronic devices and components on circuit board by the interference of extraneous signal, ensure that stability and the reliability of signal transmission, the utility model structure is simple, and good leak tightness, shield effectiveness is good.

Description

USB 3.1 Type-C receptacle connector

technical field

The utility model relates to the technology in the field of connectors, in particular to a USB 3.1 Type-C socket connector.

Background technique

USB 3.1 is the latest USB specification initiated by major companies such as Intel. The data transmission speed can be increased to a speed of 10Gbps. Compared with USB 3.0 technology, the new USB technology uses a more efficient data encoding system and provides more than double the effective data throughput rate. It is fully backward compatible with existing USB connectors and cables.

USB 3.1 Type-C socket connector is a common type of USB 3.1 connector. It is widely used in various electronic products such as mobile phones. It is generally installed and fixed on the circuit board of electronic products and plays an important role in signal transmission. . However, the current USB 3.1 Type-C receptacle connector cannot cover the electronic components on the circuit board, which makes the electronic components on the circuit board susceptible to interference from external signals and adversely affects signal transmission.

Utility model content

In view of this, the utility model aims at the lack of the existing technology, and its main purpose is to provide a USB 3.1 Type-C socket connector, which can effectively solve the problem that the existing USB 3.1 Type-C socket connector cannot be connected to the circuit board. The problem of covering the above electronic components.

In order to achieve the above object, the utility model adopts the following technical solutions:

A USB 3.1 Type-C socket connector, comprising an insulating body, a plurality of first terminals, a plurality of second terminals and a metal shell; the plurality of first terminals and the plurality of second terminals are all arranged on the insulating body, The first contact portion of each first terminal exposes the upper surface of the tongue plate of the insulating body, the second contact portion of each second terminal exposes the lower surface of the tongue plate of the insulating body, and the first contact portion of each first terminal exposes the upper surface of the tongue plate of the insulating body. The welding part and the second welding part of each second terminal extend out of the insulating body and are electrically connected to the circuit board by welding, and the metal shell covers the insulating body; the metal shell is provided with electronic components used to cover the circuit board The shielding unit includes an inner shielding shell and an outer shielding shell, the inner shielding shell is provided with a through hole for heat dissipation and inspection, and the outer shielding shell is arranged on the inner shielding shell and covers the through hole.

As a preferred solution, the inner shielding shell includes a connecting portion and a covering portion, the connecting portion is connected to the metal shell, the covering portion is integrally formed and connected to the connecting portion, and the covering portion is covered on the circuit board.

As a preferred solution, the connecting portion covers the upper surface of the metal casing and is buckled connected with the metal casing.

As a preferred solution, first buttonholes are provided on both sides of the connecting part, and first buttonholes are protruded on both sides of the metal shell correspondingly, and the first buttonpart and the first buttonholes are fastened and fixed to each other. connect.

As a preferred solution, there are first fixing feet extending from both sides of the connecting part, the first fixing feet include a first connecting section and a first insertion section, and a protrusion is provided on the bottom surface of the first connecting section, The convex bump is against the surface of the circuit board, and the first insertion section is inserted into the first fixing hole of the circuit board.

As a preferred solution, there are second fixing feet extending from both sides of the covering part, and the second fixing feet include a second connecting section and a second inserting section, and the second connecting section abuts against the surface of the circuit board , the second insertion section is inserted into the second fixing hole of the circuit board.

As a preferred solution, a first positioning foot and a second positioning foot are extended from the covering part, and the circuit board is provided with a mounting groove and a positioning groove, the first positioning foot is against the mounting groove, and the insulating body The base is embedded in the installation groove, and the second positioning foot is inserted into the positioning groove.

As a preferred solution, the first positioning foot is provided with a second button hole, and correspondingly, the metal shell is provided with a second buckle on both sides of the rear end, and the second buckle and the second button hole are locked together. The connection is fixed.

As a preferred solution, the center of the insulating body and the center of the circuit board are located on the same plane, and a positioning portion is extended from the rear end surface of the base of the insulating body, and the positioning portion is against the surface of the circuit board, and each first The first welding part of a terminal and the second welding part of each second terminal are located below the bottom surface of the positioning part, and the first welding part of each first terminal and the second welding part of each second terminal are against the circuit Electrical connections are soldered to the surface of the board.

As a preferred solution, the peripheral edge of the bottom surface of the covering part is welded and fixed to the circuit board, and the two sides of the covering part are protruded with a third buckle part, and the third buckle part is snap-connected and fixed with the outer shielding shell. The outer shield shell covers the top surface and each side surface of the covering part.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

A shielding unit is provided on the metal casing, and the electronic components on the circuit board are covered by the shielding unit, so as to prevent the electronic components on the circuit board from being interfered by external signals and ensure the stability and reliability of signal transmission. The utility model has the advantages of simple structure, good airtightness and good shielding effect.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembled three-dimensional schematic diagram of the preferred embodiment of the present utility model;

Fig. 2 is the exploded view of the preferred embodiment of the utility model;

Fig. 3 is an exploded view of another angle of a preferred embodiment of the present utility model;

Fig. 4 is a partial assembly diagram of a preferred embodiment of the present utility model;

Fig. 5 is a sectional view of a preferred embodiment of the present utility model;

Fig. 6 is an enlarged schematic view of the inner shielding case in a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Insulation body 11. Tongue plate

12. Base 13. Positioning department

101. Check the channel 20. The first terminal

21. The first contact part 22. The first welding part

30. The second terminal 31. The second contact part

32. The second welding part 40. Metal shell

41. The first buckle 42. The second buckle

50. Shielding unit 51. Inner shielding shell

511. Connection part 512. Covering part

513. The first fixed foot 5131. The first connecting section

5132. The first insertion section 514. The second fixed foot

5141. The second connection section 5142. The second insertion section

515. The first positioning foot 516. The second positioning foot

52. Outer shielding shell 501. Through hole

502. First buttonhole 503. Convex hull

504. The second buttonhole 505. The third buttonhole

60. Circuit board 61. The first fixing hole

62. Second fixing hole 63. Mounting groove

64. Positioning groove 70. Shielding plate

71. Contact surface.

Detailed ways

Please refer to Fig. 1 to shown in Fig. 6, it shows the specific structure of the preferred embodiment of the present utility model, comprises an insulating body 10, a plurality of first terminals 20, a plurality of second terminals 30, a metal shell 40 and shielding unit 50 .

The plurality of first terminals 20 and the plurality of second terminals 30 are all arranged on the insulating body 10, and the first contact portion 21 of each first terminal 20 exposes the upper surface of the tongue plate 11 of the insulating body 10. The second contact parts 31 of the two terminals 30 all expose the lower surface of the tongue plate 11 of the insulating body 10, and the first welding part 22 of each first terminal 20 and the second welding part 30 of each second terminal 30 all protrude. The outside of the insulating body 10 is welded and electrically connected to the circuit board 60 , and the metal shell 40 covers the insulating body 10 .

The shielding unit 50 is arranged on the metal shell 40, and the shielding unit 50 is used to cover the electronic components (not shown in the figure) on the circuit board 60. The shielding unit 50 includes an inner shielding shell 51 and an outer shielding shell 52. The inner shielding shell 51 is provided with a through hole 501 for heat dissipation and inspection, and the outer shielding shell 52 is disposed on the inner shielding shell 51 and covers the through hole 501 .

Specifically, the inner shielding shell 51 includes a connecting portion 511 and a covering portion 512, the connecting portion 511 is connected to the metal shell 40, the covering portion 512 is integrally connected with the connecting portion 511, and the covering portion 512 is covered on the circuit board 60 superior.

In this embodiment, the connecting portion 511 covers the upper surface of the metal shell 40 and is fastened with the metal shell 40. Specifically, the two sides of the connecting portion 511 are provided with first button holes 502, correspondingly the metal shell A first buckle portion 41 protrudes from both sides of the 40 , and the first buckle portion 41 and the first buckle hole 502 are buckled and fixedly connected to each other. And, there are first fixing feet 513 extending from both sides of the connecting portion 511, the first fixing feet 513 include a first connecting section 5131 and a first inserting section 5132, and a convex hull is provided on the bottom surface of the first connecting section 5131 503 , the protrusion 503 abuts against the surface of the circuit board 60 to ensure that the first connecting section 5131 is in surface contact with the circuit board 60 , and the first insertion section 5132 is inserted into the first fixing hole 61 of the circuit board 60 .

The two sides of the covering part 512 extend a second fixing foot 514 , the second fixing foot 514 includes a second connecting section 5141 and a second inserting section 5142 , and the second connecting section 5141 abuts against the surface of the circuit board 60 , the second insertion section 5142 is inserted into the second fixing hole 62 of the circuit board 60 . And, the cover portion 512 extends with a first positioning foot 515 and a second positioning foot 516, the circuit board 60 is provided with a mounting groove 63 and a positioning groove 64, and the first positioning foot 515 abuts in the mounting groove 63, as mentioned above The base 12 of the insulating body 10 is embedded in the installation slot 63 , and the second positioning pin 516 is inserted into the positioning slot 64 . Moreover, the first positioning foot 515 is provided with a second button hole 504, and correspondingly, the metal casing 40 is provided with a second button part 42 protruding from both sides of the rear end, and the second button part 42 and the second button hole 504 are connected to each other. Snap-fit connection secures. In addition, the peripheral edge of the bottom surface of the covering portion 512 is welded and fixed to the circuit board 60 to effectively prevent external signals from entering and achieve a better shielding effect. In addition, a third buckle 505 protrudes from both sides of the covering part 512, and the third buckle 505 is snap-connected and fixed with the outer shielding shell 52, and the outer shielding shell 52 covers the top surface and each side of the covering part 512. , to further improve airtightness.

And, the center of the insulating body 10 and the center of the circuit board 60 are located on the same plane, the rear end surface of the base of the insulating body 10 extends with a positioning portion 13, and the positioning portion 13 is against the surface of the circuit board 60, each The first welding part 22 of the first terminal 20 and the second welding part 32 of each second terminal 30 are located below the bottom surface of the positioning part 13, the first welding part 22 of each first terminal 20 and the second welding part 32 of each second terminal The second soldering portion 32 of the circuit board 30 is electrically connected to the surface of the circuit board 60 by soldering. Moreover, the positioning portion 13 is provided with an inspection through slot 101, through which the second welding portion 32 of each second terminal 30 can be seen, so as to check whether the second welding portion 32 of the second terminal 30 is welded in good condition. .

In addition, the insulating body 10 is provided with a shielding plate 70 , the shielding plate 70 isolates the first terminal 20 and the second terminal 30 , the shielding plate 70 has a contact surface 71 , and the contact surface 71 exposes the side of the insulating body 10 . The rear end of the shielding plate 70 is electrically connected to the circuit board 60 by welding.

The assembly process of this embodiment is described in detail as follows:

When assembling, first, the first terminal 20, the second terminal 30 and the shielding plate 70 are arranged on the insulating body 10; then, the metal shell 40 is installed so that the metal shell 40 covers the insulating body 10; then, the inner shielding shell The connecting portion 511 of 51 is snap-connected to the metal shell 40 , and the outer shielding shell 52 is buckled and covered on the covering portion 512 of the inner shielding shell 51 . When installing with the circuit board 60, firstly, the electronic components are welded on the circuit board, then, the outer shielding shell 52 is taken off, so that the positioning part 13 is against the surface of the circuit board 60, so that each first terminal The first welding portion 22 of 20 and the second welding portion 32 of each second terminal 30 are welded and electrically connected to the surface of the circuit board 60. At the same time, the peripheral edge of the bottom surface of the covering portion 512 is connected and fixed to the circuit board 60 by circumferential welding. The first insertion section 5132 of the first fixing foot 513 is inserted into the first fixing hole 61 of the circuit board 60 for welding, the first positioning foot 515 is against the installation groove 63, and the second positioning foot 516 is inserted into the positioning groove 64 for welding , the second insertion section 5142 of the second fixing pin 514 is inserted into the second fixing hole 62 of the circuit board 60 for welding; the heat generated during the welding process dissipates through the through hole 501, and through the through hole 501, it is inspected whether the welding of each component is intact Afterwards, the outer shielding case 52 is covered to cover the covering portion 512 of the inner shielding case 51 .

The key point of the design of the utility model is: by providing a shielding unit on the metal shell, the electronic components on the circuit board are covered by the shielding unit, so as to avoid the interference of the electronic components on the circuit board by external signals and ensure signal transmission. Stability and reliability, the utility model has the advantages of simple structure, good airtightness and good shielding effect.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (10)

1. A USB 3.1 Type-C receptacle connector, comprising an insulating body, a plurality of first terminals, a plurality of second terminals and a metal shell; the plurality of first terminals and the plurality of second terminals are all arranged on the insulating body Above, the first contact portion of each first terminal exposes the upper surface of the tongue plate of the insulating body, the second contact portion of each second terminal exposes the lower surface of the tongue plate of the insulating body, and each first terminal The first welding portion and the second welding portion of each second terminal extend out of the insulating body and are electrically connected to the circuit board by welding, and the metal shell covers the insulating body; it is characterized in that: the metal shell is provided with a circuit for sealing The shielding unit of the electronic components on the board, the shielding unit includes an inner shielding shell and an outer shielding shell, the inner shielding shell is provided with through holes for heat dissipation and inspection, the outer shielding shell is arranged on the inner shielding shell and sealed live through-hole. 2. The USB 3.1 Type-C receptacle connector according to claim 1, characterized in that: the inner shielding shell includes a connecting part and a covering part, the connecting part is connected to the metal shell, and the covering part is integrated with the connecting part Formed connection, the covering part is set on the circuit board. 3. The USB 3.1 Type-C receptacle connector according to claim 2, characterized in that: the connecting part covers the upper surface of the metal shell and is fastened and connected with the metal shell. 4. The USB 3.1 Type-C receptacle connector according to claim 3, characterized in that: first button holes are provided on both sides of the connecting part, and first buttons are protruded on both sides of the metal shell correspondingly part, the first button part and the first button hole are fastened and fixedly connected to each other. 5. The USB 3.1 Type-C receptacle connector according to claim 2, characterized in that: first fixing feet extend from both sides of the connecting part, and the first fixing feet include a first connecting section and a second An inserting section, the bottom surface of the first connecting section is provided with a protrusion, and the protrusion abuts on the surface of the circuit board, and the first inserting section is inserted into the first fixing hole of the circuit board. 6. The USB 3.1 Type-C receptacle connector according to claim 2, characterized in that: there are second fixing feet extending from both sides of the covering part, and the second fixing feet include a second connecting section and a second fixing foot. Two inserting sections, the second connecting section is against the surface of the circuit board, and the second inserting section is inserted into the second fixing hole of the circuit board. 7. The USB 3.1 Type-C receptacle connector according to claim 2, characterized in that: the first positioning pin and the second positioning pin are extended from the covering part, and the circuit board is provided with a mounting groove and a positioning groove , the first positioning foot abuts against the installation groove, the base of the insulating body is embedded in the installation groove, and the second positioning foot is inserted into the positioning groove. 8. The USB 3.1 Type-C receptacle connector according to claim 7, characterized in that: the first positioning foot is provided with a second button hole, and correspondingly, the rear ends of both sides of the metal shell are provided with a second button hole. Two buckle parts, the second buckle part and the second button hole are fastened and connected to each other and fixed. 9. The USB 3.1 Type-C socket connector according to claim 7, characterized in that: the center of the insulating body and the center of the circuit board are located on the same plane, and the rear end surface of the base of the insulating body extends out a positioning part, the positioning part is against the surface of the circuit board, the first welding part of each first terminal and the second welding part of each second terminal are located below the bottom surface of the positioning part, the first welding part of each first terminal The soldering portion and the second soldering portion of each second terminal abut against the surface of the circuit board for soldering electrical connection. 10. The USB 3.1 Type-C receptacle connector according to claim 2, characterized in that: the peripheral edge of the bottom surface of the covering part is welded and fixed to the circuit board, and the two sides of the covering part are protruded with a third buckle , the third buckle part is buckled and fixed with the outer shielding shell, and the outer shielding shell covers the top surface and each side surface of the covering part.