CN206322883U - Structurally stable USB Type‑C receptacle connector - Google Patents

Abstract

The utility model discloses a USB Type-C socket connector with stable structure, which comprises an insulation body, a first terminal, a second terminal, a third terminal, a metal separator and a shielding shell; the insulating body comprises a first insulating part, a second insulating part and a tongue plate part; the tongue plate piece is embedded and molded with the front ends of the first insulating piece and the second insulating piece; the first terminal and the first insulating piece are embedded and molded, the first terminal is provided with a first contact part, and the front end of the first contact part is embedded in the tongue piece; the plurality of second terminals and the second insulating piece are embedded and molded, the second terminals are provided with second contact parts, and the front ends of the second contact parts are embedded in the tongue piece; the third terminal is clamped between the first insulating part and the second insulating part; the metal separator is arranged in the insulating body and separates the first terminal and the second terminal; the shielding shell is sleeved outside the insulating body. The utility model provides a lead to the problem that the connector burns out because of current load is too big, and carried out water repellent, solved the problem that contact water leads to the short circuit.

Description

Structurally stable USB Type-C receptacle connector

technical field

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

Background technique

Type-C is a connection interface of the interface, which can be inserted regardless of the front and back sides. Like other interfaces, it supports the charging, data transmission and display output functions of the USB standard.

The conductive terminals on the Type-C connector in the prior art are all arranged on the upper and lower insulators, arranged in two rows up and down; such conductive terminals have a small cross-sectional area, resulting in poor electrical conductivity of the connector. The ability to withstand current is relatively small, and the general Type-C connector can only withstand a maximum current of 5A. When a large current flows, the connector cannot withstand the load of excessive current, which will cause the connector to burn out, and this type of connection The device has not been waterproofed, and contact with water may easily cause a short circuit.

Utility model content

In view of this, the utility model aims at the shortcomings of the existing technology, and its main purpose is to provide a USB Type-C socket connector with a stable structure, which effectively solves the problem of connector burnout caused by excessive current flowing The problem, and the connector has been waterproofed, which solves the problem of short circuit caused by contact with water.

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

A structurally stable USB Type-C socket connector, comprising an insulating body, a plurality of first terminals, a plurality of second terminals, a plurality of third terminals, a metal spacer and a shielding shell;

The insulating body includes a first insulating part, a second insulating part and a tongue part; the first insulating part and the second insulating part are spliced together up and down, and the tongue part is connected with the front end of the first insulating part and the The front end is inlaid and molded to hold together;

The plurality of first terminals are embedded and fixed together with the first insulating member, and the plurality of first terminals are arranged side by side and spaced apart in the horizontal direction, each of the first terminals has a first contact portion and a first welding portion, and the first contact portion is exposed on the On one surface of the tongue part, the front end of the first contact part is embedded in the tongue part, and the first welding part protrudes out of the first insulating part;

The multiple second terminals are embedded and fixed with the second insulator. The multiple second terminals are arranged side by side and spaced apart in the horizontal direction. Each second terminal has a second contact portion and a second welding portion. The second contact portion is exposed on the On the other surface of the tongue part, the front end of the second contact part is embedded in the tongue part, and the second welding part protrudes out of the second insulating part;

The plurality of third terminals are interposed between the first insulator and the second insulator, and the plurality of third terminals are arranged side by side in a horizontal direction, and each third terminal has a third contact portion on the upper and lower surfaces of the front section, and the two third terminals The three contact parts respectively expose the upper and lower surfaces of the tongue piece, and the front end of the third terminal is buried in the tongue piece, and the rear end of the third terminal has a third welding portion, and the third welding portion protrudes out of the insulating body ;

The metal spacer is arranged in the insulating body, and the metal spacer separates the plurality of first terminals and the plurality of second terminals;

The shielding shell is sheathed outside the insulating body, and an insertion space is formed between the inner wall of the shielding shell and the outer peripheral side of the tongue piece.

As a preferred solution, the upper and lower surfaces of the front end of the shielding shell are concave outward and convex inward, and convex points are formed on the inner wall of the shielding shell.

As a preferred solution, the rear end of the shielding shell is torn to form a stop for positioning and preventing damage to the insulating body when the plug is plugged in and pulled out.

As a preferred solution, the front end of the tongue plate is formed with a chamfered R angle.

As a preferred solution, both sides of the shielding shell extend backward with in-line soldering legs, which are vertically inserted into the PCB board for welding, and each third terminal has two third soldering parts , wherein one of the first welding parts is vertically inserted into the PCB board for welding, and the other third welding part is horizontally bonded and welded on the surface of the PCB board.

As a preferred solution, the shielding shell is covered with a main shell, ears are extended from both ends of the main shell, and screw holes are provided on the ears.

As a preferred solution, the first insulator and the second insulator are positioned through the positioning groove and the positioning portion, and the first insulator and the second insulator are fixed through the slot and the hook.

As a preferred solution, a metal sheet extends uniformly from both sides of the front end of the metal spacer, and the side of the metal sheet is flush with the side of the tongue plate.

As a preferred solution, the third terminal is a vertical plate structure, and the cross-sections of the third terminals are larger than the cross-sections of the first terminal and the second terminal.

As a preferred solution, fixing holes are formed through both sides of the front end of the third terminal, and the fixing holes are embedded in the tongue plate member.

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

Insert and fix the first terminal and the first insulator together, the second terminal and the second insulator are fixed together by insert molding, and then install the third terminal and the metal spacer on the first and second insulators Between, then fit the assembled first insulating part and the second insulating part together, and finally inlay the tongue part on the front end of the first insulating part and the second insulating part; the utility model adopts a large The third terminal of the current structure design is installed on the first insulator and the second insulator, which doubles its conductivity and solves the problem of connector burnout due to excessive current load, and the utility model can handle waterproofing , which solves the problem of short circuit caused by contact with water.

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 illustration that the utility model is plugged on the circuit board;

Fig. 2 is a structural representation of a preferred embodiment of the utility model;

Fig. 3 is a structural representation of the utility model without an outer iron shell;

Fig. 4 is a structural diagram of the utility model without an outer iron shell and a shielding shell;

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

Fig. 6 is an exploded view of a preferred embodiment of the present utility model;

Fig. 7 is a schematic diagram of snap-fit installation of the first insulating part and the second insulating part in the present invention.

Explanation of the accompanying drawings:

10. Insulation body 101. Positioning groove

102. Card slot 11. First insulator

111. Positioning part 112. Hook part

12. Second insulating part 13. Tongue plate part

20. First terminal 21. First contact part

22. The first welding part 30. The second terminal

31. Second contact part 32. Second welding part

40. Third terminal 401. Fixing hole

41. The third contact part 42. The third welding part

50. Metal spacer 51. Metal sheet

60. Shielding case 601. Insertion space

61. Convex point 62. Stop point

63. In-line welding leg

70. PCB board 80. Main shell

801, screw holes 81, ears.

detailed description

Please refer to Fig. 1 to Fig. 6, which shows the specific structure of the preferred embodiment of the present invention, including an insulating body 10, a plurality of first terminals 20, a plurality of second terminals 30, a plurality of third terminals The terminal 40 , a metal spacer 50 and a shielding case 60 .

The insulating body 10 includes a first insulating part 11, a second insulating part 12 and a tongue part 13; the first insulating part 11 and the second insulating part 12 are spliced together up and down, specifically, the first insulating part 11 and the The second insulator 12 is positioned through the positioning groove 101 and the positioning part 111, and the first insulator 11 and the second insulator 12 are fixed by the snap groove 102 and the hook part 112. Such a setting has a good assembly effect. Good, the coplanarity of the terminals can be ensured; the front end of the tongue plate 13 and the front end of the first insulator 11 and the front end of the second insulator 12 are embedded and fixed together to make the connector more firm and reliable; the front end of the tongue plate 13 is formed with The inverted R angle makes the handle feel smoother during plugging and unplugging.

The plurality of first terminals 20 are embedded and fixed together with the first insulating member 11, so that the quality of the connector is stable and the flatness is good; the plurality of first terminals 20 are arranged laterally side by side at intervals, and each first terminal 20 has a first connector. A contact portion 21 and a first welding portion 22. The first contact portion 21 is exposed on a surface of the tongue piece 13, and the front end of the first contact portion 21 is buried in the tongue piece 13. This arrangement prevents the front end of the terminal from Warped, the first welding portion 22 extends out of the first insulating member 11 .

The plurality of second terminals 30 and the second insulator 12 are embedded and fixed together, so that the quality of the connector is stable and the flatness is good; the plurality of second terminals 30 are arranged side by side in a horizontal direction, and each second terminal 30 has a first The second contact portion 31 and the second welding portion 32, the second contact portion 31 is exposed on the other surface of the tongue piece 13, and the front end of the second contact portion 31 is buried in the tongue piece 13. This arrangement prevents the front end of the terminal from Upturned, the second welding portion 32 protrudes out of the second insulating member 12 .

The plurality of third terminals 40 are sandwiched between the first insulator 11 and the second insulator 12, and the plurality of third terminals 40 are arranged side by side in a horizontal direction, and the upper and lower surfaces of each third terminal 40 have a third The contact portion 41 and the two third contact portions 41 respectively expose the upper and lower surfaces of the tongue piece 13, and the front end of the third terminal 40 is embedded in the tongue piece 13. Such an arrangement prevents the front end of the terminal from being upturned; The rear end of the terminal 40 has a third welding portion 42, and the third welding portion 42 protrudes out of the insulating body; the third terminal 40 is a vertical plate structure, and the cross-section of the third terminal is larger than that of the first terminal 20. and the cross-section of the second terminal 30, the third terminal 40 adopts a high-current structure design, which increases the conductive area of the welding area and prevents the solder joint from heating; the two sides of the front end of the third terminal 40 are formed with fixing holes 401, the fixing hole 401 is buried on the tongue plate 13, making the structure more stable.

The metal spacer 50 is disposed in the insulating body 10, and the metal spacer 50 separates the plurality of first terminals 20 from the plurality of second terminals 30, and metal sheets 51 extend uniformly from both sides of the front end of the metal spacer 50. , the side of the metal sheet 51 is flush with the side of the tongue part 13, the metal sheet 51 can prevent the wear of the tongue part 13 during the insertion and extraction process, and ensure the insertion force and service life.

The shielding case 60 is sheathed outside the insulating body 10, and an insertion space 601 is formed between the inner wall of the shielding case 60 and the outer peripheral side of the tongue member 13. The upper and lower surfaces of the front end of the shielding case 60 are concave and convex in the shield The inner wall of the shell 60 is formed with bumps 61, which are in full contact with the insertion end of the plug connector to achieve shielding and grounding effects; When pulling out, the blocking point 62 of the insulating body 10 is damaged. This blocking point 62 can not only position the main body, but also play a role in not being easy to insert the tongue part 13 when plugging and unplugging the plug connector; both sides of the shielding shell 60 are There is an in-line soldering leg 63 extending backward, and the in-line soldering leg 63 is vertically inserted into the PCB board 70 for soldering. Each of the above-mentioned third terminals 40 has two third soldering portions 42, one of which is a third soldering portion 42 Vertically inserted into the PCB board 70 for welding, and another third welding portion 42 is welded horizontally on the surface of the PCB board 70; There are ear parts 81, and screw holes 801 are arranged on the ear parts 81, and the main body shell 80 and the PCB board 70 are fixed by screws, so that the structure is firm; after the connector is assembled, waterproof treatment is carried out, so that the connector has a good waterproof function.

During assembly, first the first terminal 20 and the first insulator 11 are embedded and fixed together to form an integral structure, the second terminal 30 and the second insulator 12 are embedded and fixed together to form an integral structure, and the metal spacer 50 and The third terminal 40 is installed between the first insulator 11 and the second insulator 12, and then the first insulator 11 and the second insulator 12 are installed together by splicing, and then the tongue part 13 is embedded and fixed on the first insulator. The front ends of the insulator 11 and the second insulator 12 are then fitted with the shielding shell 60 outside the insulating body 10 , and finally the main body shell 80 is set outside the shielding shell 60 , that is, the assembly is complete.

The design focus of the present utility model is:

Insert and fix the first terminal and the first insulator together, the second terminal and the second insulator are fixed together by insert molding, and then install the third terminal and the metal spacer on the first and second insulators Between, then fit the assembled first insulating part and the second insulating part together, and finally inlay the tongue part on the front end of the first insulating part and the second insulating part; the utility model adopts a large The third terminal of the current structure design is installed on the first insulator and the second insulator, which doubles its conductivity and solves the problem of connector burnout due to excessive current load, and the utility model can handle waterproofing , which solves the problem of short circuit caused by contact with water.

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 structurally stable USB Type-C socket connector, characterized in that it includes an insulating body, a plurality of first terminals, a plurality of second terminals, a plurality of third terminals, a metal spacer and a shielding shell ; The insulating body includes a first insulating part, a second insulating part and a tongue part; the first insulating part and the second insulating part are spliced together up and down, and the tongue part is connected with the front end of the first insulating part and the The front end is inlaid and molded to hold together; The plurality of first terminals are embedded and fixed together with the first insulating member, and the plurality of first terminals are arranged side by side and spaced apart in the horizontal direction, each of the first terminals has a first contact portion and a first welding portion, and the first contact portion is exposed on the On one surface of the tongue part, the front end of the first contact part is embedded in the tongue part, and the first welding part protrudes out of the first insulating part; The multiple second terminals are embedded and fixed with the second insulator. The multiple second terminals are arranged side by side and spaced apart in the horizontal direction. Each second terminal has a second contact portion and a second welding portion. The second contact portion is exposed on the On the other surface of the tongue part, the front end of the second contact part is embedded in the tongue part, and the second welding part protrudes out of the second insulating part; The plurality of third terminals are interposed between the first insulator and the second insulator, and the plurality of third terminals are arranged side by side in a horizontal direction, and each third terminal has a third contact portion on the upper and lower surfaces of the front section, and the two third terminals The three contact parts respectively expose the upper and lower surfaces of the tongue piece, and the front end of the third terminal is buried in the tongue piece, and the rear end of the third terminal has a third welding portion, and the third welding portion protrudes out of the insulating body ; The metal spacer is arranged in the insulating body, and the metal spacer separates the plurality of first terminals and the plurality of second terminals; The shielding shell is sheathed outside the insulating body, and an insertion space is formed between the inner wall of the shielding shell and the outer peripheral side of the tongue piece. 2 . The structurally stable USB Type-C receptacle connector according to claim 1 , wherein the upper and lower surfaces of the front end of the shielding shell are both concave and convex, and bumps are formed on the inner wall of the shielding shell. 3 . 3. The structurally stable USB Type-C receptacle connector according to claim 1, characterized in that: the rear end of the shielding shell is torn to form a stopper for positioning and preventing damage to the insulating body when the plug is inserted and pulled out. point. 4. The structurally stable USB Type-C receptacle connector according to claim 1, wherein a chamfered R angle is formed at the front end of the tongue member. 5. The structurally stable USB Type-C receptacle connector according to claim 1, characterized in that: both sides of the shielding shell extend backward with in-line soldering legs, and the in-line soldering legs are vertical Inserting into the PCB board for welding, each third terminal has two third welding parts, one of the third welding parts is vertically inserted into the PCB board for welding, and the other third welding part is horizontally attached and welded on the surface of the PCB board. 6. The structurally stable USB Type-C receptacle connector according to claim 1, characterized in that: the shielding shell is covered with a main body shell, and both ends of the main body shell extend outwards with ears, the There are screw holes on the ears. 7. The structurally stable USB Type-C socket connector according to claim 1, characterized in that: the first insulator and the second insulator are positioned through the positioning groove and the positioning part, and the first insulator The part and the second insulator are fixed through the slot and the hook. 8. The structurally stable USB Type-C receptacle connector according to claim 1, characterized in that: both sides of the front end of the metal spacer are uniformly extended with a metal sheet, and the side of the metal sheet is in contact with the tongue plate sides are even. 9. The structurally stable USB Type-C receptacle connector according to claim 1, characterized in that: the third terminal is a vertical plate structure, and the cross-section of the third terminal is larger than that of the first terminal. section and the cross section of the second terminal. 10. The structurally stable USB Type-C receptacle connector according to claim 1, wherein a fixing hole is formed through both sides of the front end of the third terminal, and the fixing hole is embedded in the tongue piece.