CN207967364U - Steady type USB Type-C connectors - Google Patents

Abstract

The utility model discloses a stable USB Type-C connector, which includes an insulating body, a lower row of terminals, an upper row of terminals, a shielding sheet, a lower grounding shell, an upper grounding shell, and a shielding shell; the insulating body includes a lower insulating part , the upper insulator and the front insulator; the lower row of terminals is inlaid with the lower insulator and the front insulator and fixed together, the contact part of the lower row of terminals exposes the bottom surface of the front insulator, and the welding part of the lower row of terminals extends vertically downward The bottom of the rear end of the lower insulator is exposed; the welding part of the lower row of terminals of this product can be soldered by DIP, and the soldering part of the upper row of terminals can be soldered by SMT. The two methods are reasonably combined to reduce welding. The occurrence of bad phenomena can improve the firmness of the welding structure. At the same time, there are fixed columns extending downward from the bottom of the rear end of the upper insulator, making the installation structure of the product more stable and the performance of the product more stable and reliable.

Description

Robust USB Type-C connector

technical field

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

Background technique

In December 2013, the USB 3.0 promotion team had released a rendering of the next-generation USB Type-C connector, which was then ready for mass production in August 2014. The highlights of the new interface are slimmer design, faster transmission speed (up to 10Gbps) and stronger power transmission (up to 100W). The biggest feature of the Type-C double-sided pluggable interface is that it supports double-sided insertion of the USB interface, which officially solves the worldwide problem of "USB can never be plugged in correctly", and can be plugged in at will. At the same time, the USB data cable used with it must also be thinner and lighter.

The USB Type-C connector has two rows of terminals arranged up and down. In the prior art, the two rows of terminals adopt vertical insertion welding (DIP) or patch welding (SMT). Although the welding structure of DIP is firm, it is easy to Poor welding occurs. SMT minced meat is not prone to poor welding, but the welding structure is not strong. Therefore, it is necessary to improve the current connector.

Utility model content

In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide a stable USB Type-C connector, which can reduce the occurrence of poor welding and improve the firmness of the welding structure.

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

A stable USB Type-C connector, including an insulating body, a lower row of terminals, an upper row of terminals, a shielding sheet, a lower grounding shell, an upper grounding shell, and a shielding shell;

The insulating body includes a lower insulating part, an upper insulating part and a front insulating part; a fixing column extends downward from the bottom of the rear end of the upper insulating part, the upper insulating part is arranged on the lower insulating part, and the front insulating part is located on the lower insulating part. the front side of the insulator and the upper insulator;

The lower row of terminals is inlaid and fixed with the lower insulator and the front insulator. The contact part of the lower row of terminals exposes the bottom surface of the front insulator. end bottom;

The upper row of terminals is inlaid and fixed together with the upper insulating part and the front insulating part. The contact part of the upper row of terminals exposes the surface of the front insulating part. On the end face, the welding part of the upper row of terminals is located behind the welding part of the lower row of terminals;

The shielding sheet is sandwiched between the lower insulating part and the upper insulating part and fixed together with the front insulating part by inlay molding. Both sides of the rear end of the shielding sheet have elastic contact feet;

The lower ground shell is buckled and mounted on the outer surface of the front end of the lower insulator, and a lower ground shrapnel extends from the lower ground shell; Upper ground shrapnel;

The shielding shell covers the insulating body, and the elastic contact pins, the lower grounding shrapnel and the upper grounding shrapnel are elastically pressed against the inner wall of the shielding shell for conductive connection.

As a preferred solution, a groove is formed between the rear end surface of the lower insulating part and the upper insulating part, the groove is filled with waterproof glue to form a waterproof board, and the welding part of the lower row of terminals passes through the waterproof board downward extend.

As a preferred solution, a plurality of strip-shaped slots are formed through the upper and lower surfaces of the shielding sheet, and each strip-shaped slot extends forward and backward.

As a preferred solution, the lower ground shell includes a lower main body piece, lower first fixing parts extend from the left and right ends of the lower main body piece, each lower first fixing part is provided with a lower first button hole, The left and right sides of the upper insulator are protrudingly provided with a lower first buckle, and the lower first buckle is fastened and installed with the lower first button hole, and a lower second fixing part extends from the middle of the rear side of the lower main body piece. A lower second button hole is opened on the lower second fixing part, and a lower second button part protrudes from the lower insulating part, and the lower second button part is fastened and installed with the lower second button hole. There is an aforementioned lower grounding shrapnel extending from both ends of the side.

As a preferred solution, the upper ground shell includes an upper main body piece, upper first fixing parts extend from the left and right ends of the upper main body piece, and each upper first fixing part is provided with an upper first button hole , the left and right sides of the lower insulating part are protrudingly provided with an upper first buckle part, and the upper first buckle part is fastened and installed with the upper first button hole, and the upper second fixing part extends from the middle part of the rear side of the upper main body piece, The upper second fixing part is provided with an upper second button hole, and the upper insulating part is protruded with an upper second button part, and the upper second button part is fastened and installed with the upper second button hole. The above-mentioned upper grounding shrapnel extends from both ends of the rear side.

As a preferred solution, the shielding shell includes a main casing and a rear cover, the main casing covers the peripheral side of the insulating body, and the rear cover is bent downwards and extends from the rear end of the main casing. The rear cover is located at the rear side of the insulating body and forms an accommodating groove with the rear end surface of the insulating body, and the two sides of the rear cover are buckled with the rear end sides of the main housing respectively.

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

The welding part of the lower row of terminals of this product can adopt the DIP welding method, and the welding part of the upper row of terminals can adopt the SMT welding method. The two methods are reasonably combined to reduce the occurrence of poor welding and improve the efficiency of the welding process. The firmness of the welded structure, combined with the fixing column extending downward from the bottom of the rear end of the upper insulating part, makes the installation structure of the product more stable, and the performance of the product is more stable and reliable.

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 cross-sectional view of a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Insulation body 11. Lower insulating part

12. Upper insulator 13. Front insulator

14. Waterproof board 101. Giving way slot

102. Lower first buckle 103. Upper first buckle

104. Upper second buckle 105. Accommodating slot

106, groove 107, fixed column

20. Lower terminal 21. Contact part

22. Welding part 30. Upper terminal

31. Contact part 32. Welding part

40. Shielding sheet 41. Elastic contact feet

42. Strip slot 43. Notch

50. Lower ground shell 51. Lower ground shrapnel

52. Lower body piece 53. Lower first fixing part

54. Lower first buttonhole 55. Lower second fixing part

56. Lower second button hole 60. Upper ground shell

61. Upper ground shrapnel 62. Upper main body piece

63. Upper first fixing part 64. Upper first buttonhole

65. Upper second fixing part 66. Upper second buttonhole

70. Shielding shell 71. Main shell

72. Back cover.

Detailed ways

Please refer to Figures 1 to 4, which show the specific structure of a preferred embodiment of the present invention, including an insulating body 10, a lower row of terminals 20, an upper row of terminals 30, a shielding sheet 40, and a lower grounding shell 50 , the upper ground shell 60 and the shield shell 70 .

The insulating body 10 includes a lower insulating part 11, an upper insulating part 12 and a front insulating part 13; Above, the front insulating part 13 is located on the front side of the lower insulating part 11 and the upper insulating part 12; in this embodiment, the outer surface of the insulating body 10 has an antistatic voltage-resistant layer (not shown in the figure), and The upper and lower surfaces of the front end of the insulator 13 are concavely provided with relief grooves 101 for providing deformation space for the front ends of the lower row of terminals 20 and the front ends of the upper row of terminals 30 .

The lower row of terminals 20 is embedded and fixed with the lower insulator 11 and the front insulator 13, the contact portion 21 of the lower row of terminals 20 exposes the bottom surface of the front insulator 13, and the welding portion 22 of the lower row of terminals 20 is arranged side by side and vertically The bottom of the rear end of the lower insulator 11 protrudes downward.

The upper row of terminals 30 is embedded and fixed with the upper insulator 12 and the front insulator 13. The contact portion 31 of the upper row of terminals 30 exposes the surface of the front insulator 13. The welding portion 32 of the upper row of terminals 30 is arranged side by side and horizontally. The bottom protrudes from the rear end surface of the upper insulator 12 , and the welding portion 32 of the upper row of terminals 30 is located at the rear side of the welding portion 22 of the lower row of terminals 20 .

The shielding sheet 40 is sandwiched between the lower insulating part 11 and the upper insulating part 12 and fixed together with the front insulating part 13 by insert molding. Both sides of the rear end of the shielding sheet 40 have an elastic contact pin 41; the shielding sheet The upper and lower surfaces of 40 are formed with a plurality of strip-shaped slots 42, each strip-shaped slot 42 extends forward and backward, and the left and right sides of the shielding sheet 20 have a plurality of notches 43, the notches 43 are buried in the insulating body 10 so that The shielding sheet 40 is firmly combined with the insulating body 10 .

The lower ground shell 50 is buckled and installed on the front end outer surface of the lower insulator 11, and the lower ground shell 50 extends a lower ground elastic piece 51; specifically, the lower ground shell 50 includes a lower main piece 52, the lower ground shell 50 The left and right ends of the main body piece 52 are extended with lower first fixing parts 53, and each lower first fixing part 53 is provided with a lower first button hole 54, and the left and right sides of the upper insulating part 12 are protruded with a lower first fixing part 53. A buckle portion 102, the first lower buckle portion 102 is fastened and installed with the lower first button hole 54, and the lower second fixing portion 55 is extended from the rear side middle part of the lower main body sheet 52, and the lower second fixing portion 55 is provided with a The lower second button hole 56, the lower second button part (not shown in the figure) protrudes from the lower insulating part 11, and the lower second button part is fastened and installed with the lower second button hole 56. The lower main body piece 52 The two ends of the rear side of the front end are extended with the aforementioned lower grounding shrapnel 51 .

The upper ground shell 60 is buckled and installed on the front end outer surface of the upper insulating member 12, and the upper ground shell 60 is extended with an upper ground elastic piece 61; specifically, the upper ground shell 60 includes an upper main body piece 62, the upper ground shell 60 Upper first fixing portions 63 are extended from both left and right ends of the main body sheet 62, each upper first fixing portion 63 is provided with an upper first button hole 64, and the left and right sides of the lower insulating member 11 are protruded with upper The first buckle part 103, the upper first buckle part 103 is fastened and installed with the upper first button hole 64, and the upper second fixing part 65 is extended from the rear side middle part of the upper main body sheet 62, and the upper second fixing part 65 is provided with a There is an upper second button hole 66, and an upper second button part 104 protrudes from the upper insulating part 12. The upper second button part 104 is fastened and installed with the upper second button hole 66. The rear side of the upper main body sheet 62 The above-mentioned upper grounding shrapnel 61 extend from both ends.

The shielding shell 70 covers the insulating body 10 , and the aforementioned elastic contact pins 41 , the lower grounding elastic piece 51 and the upper grounding elastic piece 61 are elastically pressed against the inner wall of the shielding shell 40 for conductive connection. Specifically, the shielding shell 70 includes a main casing 71 and a rear cover 72, the main casing 71 covers the peripheral side of the insulating body 10, and the rear cover 72 is folded downward at the rear end of the main casing 71. The rear cover 72 is located at the rear side of the insulating body 10 and has a receiving groove 105 formed between the rear end surface of the insulating body 10. combine.

And, a groove 106 is formed between the rear end surface of the lower insulator 11 and the upper insulator 12, the groove 106 is filled with waterproof glue to form a waterproof board 14, and the welding part 22 of the lower row of terminals 20 passes through the waterproof The plate 14 extends downwards to achieve a better waterproof effect.

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

When assembling, first, the lower row of terminals 20 and the upper row of terminals 30 are respectively embedded and fixed together with the lower insulator 11 and the upper insulator 12, and then the shielding sheet 40 is placed between the lower insulator 11 and the upper insulator 12 and form the front insulating part 13, then, fasten and install the lower ground shell 50 on the front end outer surface of the lower insulating part 11, and buckle and install the upper ground shell 60 on the front end outer surface of the upper insulating part 12; The shielding shell 70 covers the insulating body 10; finally, fill the groove 106 with waterproof glue to form the waterproof plate 14, and inject waterproof glue into the accommodating groove 105; when in use, insert the fixing column 107 into the circuit board for fixing , and vertically insert the welding portion 22 of the lower row of terminals 20 into the welding hole of the circuit board for soldering conduction, and the welding portion 32 of the upper row of terminals 30 is horizontally bonded and welded on the surface pad of the circuit board.

The key point of the design of this utility model is that the welding part of the lower row of terminals of this product can adopt the welding method of DIP, and the welding part of the upper row of terminals can adopt the welding method of SMT. The two methods are reasonably combined to reduce poor welding The appearance of the phenomenon can improve the firmness of the welding structure, and at the same time, there are fixed columns extending downward from the bottom of the rear end of the upper insulator, making the installation structure of the product more stable, and the performance of the product is more stable and reliable.

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 (6)

1. A stable USB Type-C connector, characterized in that it includes an insulating body, a lower row of terminals, an upper row of terminals, a shielding sheet, a lower grounding shell, an upper grounding shell, and a shielding shell; The insulating body includes a lower insulating part, an upper insulating part and a front insulating part; a fixing column extends downward from the bottom of the rear end of the upper insulating part, the upper insulating part is arranged on the lower insulating part, and the front insulating part is located on the lower insulating part. the front side of the insulator and the upper insulator; The lower row of terminals is inlaid and fixed with the lower insulator and the front insulator. The contact part of the lower row of terminals exposes the bottom surface of the front insulator. end bottom; The upper row of terminals is inlaid and fixed together with the upper insulating part and the front insulating part. The contact part of the upper row of terminals exposes the surface of the front insulating part. On the end face, the welding part of the upper row of terminals is located behind the welding part of the lower row of terminals; The shielding sheet is sandwiched between the lower insulating part and the upper insulating part and fixed together with the front insulating part by inlay molding. Both sides of the rear end of the shielding sheet have elastic contact feet; The lower ground shell is buckled and mounted on the outer surface of the front end of the lower insulator, and a lower ground shrapnel extends from the lower ground shell; Upper ground shrapnel; The shielding shell covers the insulating body, and the elastic contact pins, the lower grounding shrapnel and the upper grounding shrapnel are elastically pressed against the inner wall of the shielding shell for conductive connection. 2. The stable USB Type-C connector according to claim 1, characterized in that: a groove is formed between the rear end surface of the lower insulator and the upper insulator, and the groove is filled with waterproof glue to form The waterproof board, the welding part of the lower row of terminals extends downward through the waterproof board. 3 . The stable USB Type-C connector according to claim 1 , wherein a plurality of strip-shaped slots are formed through the upper and lower surfaces of the shielding plate, and each strip-shaped slot extends forward and backward. 4 . 4. The stable USB Type-C connector according to claim 1, wherein the lower ground shell includes a lower main piece, and the lower first fixing part extends from the left and right ends of the lower main piece Each lower first fixing part is provided with a lower first button hole, and the left and right sides of the upper insulating part are protrudingly provided with a lower first button part, and the lower first button part is fastened and installed with the lower first button hole, and the lower There is a lower second fixing part extending from the middle part of the rear side of the main body sheet, and a lower second button hole is opened on the lower second fixing part, and a lower second button part is protruded on the lower insulating part, and the lower second button part Fastened and installed with the lower second button hole, the lower grounding elastic piece extends from both ends of the rear side of the lower main body piece. 5. The stable USB Type-C connector according to claim 1, characterized in that: the upper ground shell includes an upper main piece, and the upper first fixing part extends from the left and right ends of the upper main piece , each upper first fixing part is provided with an upper first button hole, and the left and right sides of the lower insulating part are protrudingly provided with an upper first button part, and the upper first button part is buckled and installed with the upper first button hole, An upper second fixing part is extended from the rear middle part of the upper body sheet, and an upper second button hole is opened on the upper second fixing part, and an upper second button part is protruded on the upper insulating part, and the upper second button hole is provided on the upper second fixing part. The upper part is buckled and installed with the upper second button hole, and the two ends of the rear side of the upper main body sheet are extended with the above-mentioned upper grounding elastic piece. 6. The stable USB Type-C connector according to claim 1, characterized in that: the shielding shell includes a main shell and a rear cover, the main shell covers the peripheral side of the insulating body, and the rear cover The cover is bent downward from the rear end of the main housing, and the rear cover is located on the rear side of the insulating body and forms an accommodating groove with the rear end surface of the insulating body. Snap closure on sides at back end.