CN220439980U - Waterproof Type-C connector - Google Patents

Abstract

The utility model discloses a waterproof Type-C connector, which comprises an insulating body, a plurality of first terminals, a plurality of second terminals and a shell, wherein the insulating body is provided with a plurality of first terminals; the back end of the shell is concavely provided with a glue filling groove with an opening facing backwards, waterproof glue is filled in the glue filling groove to form a waterproof piece, the back end of each first terminal is provided with a first extending section, a first connecting section and a first welding foot which are sequentially connected from front to back, the back end of each second terminal is provided with a second extending section, a second connecting section and a second welding foot which are sequentially connected from front to back, and each second extending section and each first extending section are separated from each other and extend out of the base backwards. Through separating each second extension section and each first extension section each other and stretching out the base backward outward, each second extension section and each first extension section all are located the encapsulating groove for each second extension section and each first extension section all wrap up sufficient waterproof glue, in order to prevent more effectively that steam from getting into, thereby realize better waterproof performance, satisfy the needs of using.

Description

Waterproof Type-C connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a waterproof Type-C connector.

Background

USB Type-C is an USB interface appearance standard, has a smaller volume than both Type-A and Type-B, and can be applied to interface types of PC (host device) and external device (slave device such as mobile phone). USB Type-C has 4 pairs of TX/RX branches, 2 pairs of USBD+/D-, a pair of SBUs, 2 CCs, and 4 VBUS and 4 ground wires.

The main structure of the current Type-C connector comprises an insulating body, a plurality of first terminals, a plurality of second terminals and a housing; the insulating body comprises a base and a tongue plate extending forwards on the base; the first terminals and the second terminals are arranged on the insulating body, each first terminal is provided with a first contact part, the first contact parts are exposed out of one surface of the tongue plate, each second terminal is provided with a second contact part, and the second contact parts are exposed out of the other surface of the tongue plate; the shell is sleeved outside the insulator body.

The first terminals have a first ground terminal and a first power terminal, and the second terminals have a second ground terminal and a second power terminal, so that the first ground terminal and the second ground terminal are spliced together and then welded to the circuit board, and the first power terminal and the second power terminal are spliced together and then welded to the circuit board, so that space is saved, welding is more convenient. However, in the prior art, after the first grounding terminal and the second grounding terminal are spliced, the first power terminal and the second power terminal are also spliced and then extend out of the base, so that the subsequent waterproof treatment process of dispensing glue can be caused, the spliced surface between the terminals cannot be covered with waterproof glue, or the covered waterproof glue is relatively less, so that water vapor is easy to enter from the spliced position between the terminals, the waterproof performance is poor, and the use requirement cannot be met.

Disclosure of Invention

In view of the above, the present utility model is directed to the disadvantages of the prior art, and is mainly directed to providing a waterproof Type-C connector, which can effectively solve the problem of poor waterproof performance of the conventional Type-C connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a waterproof Type-C connector comprises an insulating body, a plurality of first terminals, a plurality of second terminals and a shell; the insulating body comprises a base and a tongue plate extending forwards on the base; the first terminals and the second terminals are arranged on the insulating body, each first terminal is provided with a first contact part, the first contact parts are exposed out of one surface of the tongue plate, each second terminal is provided with a second contact part, and the second contact parts are exposed out of the other surface of the tongue plate; the shell is sleeved outside the insulating body; the back end of each second terminal is provided with a second extending section, a second connecting section and a second welding foot which are sequentially connected from front to back, each second extending section and each first extending section are separated from each other and extend out of the base backwards, each second extending section and each first extending section are positioned in the glue filling groove and are fixedly connected with the waterproof piece through insert molding, each first connecting section and each second connecting section are positioned in the glue filling groove and are fixedly connected with the waterproof piece through insert molding, part of the first connecting sections are spliced together with the corresponding second connecting sections, each first welding foot and each second welding foot extend out of the shell, and part of the first welding foot is spliced together with the corresponding second welding foot.

As a preferable scheme, the shell comprises a shielding shell and a plastic shell, wherein the shielding shell is coated outside the insulating body, the plastic shell is coated outside the shielding shell, and the glue filling groove is concavely formed in the rear end face of the plastic shell.

As a preferable scheme, a fixing frame is sleeved on the plastic shell, and fixing feet are arranged at two ends of the fixing frame and extend downwards.

As a preferable scheme, the fixing frame is an inverted U-shaped metal sheet, both sides of the fixing frame are provided with buckling holes, both sides of the plastic shell are convexly provided with buckling parts, and the buckling parts are matched with the buckling holes to be buckled and fixed.

As a preferred solution, the second extension sections and the first extension sections are arranged in a staggered manner from one another in a left-right direction.

As a preferable mode, the first connecting sections and the second connecting sections are arranged left and right and extend up and down.

As a preferable scheme, each first welding pin and each second welding pin are arranged left and right and extend out of the shell horizontally and backwards.

As a preferable mode, the insulating body is composed of two inner insulating pieces which are spliced up and down and are respectively fixed with a plurality of first terminals and a plurality of second terminals by insert molding, and an outer insulating piece which is fixed with the two inner insulating pieces by insert molding.

As a preferable scheme, a clamping hook piece is clamped between the two inner insulating pieces.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

through separating each second extension section and each first extension section each other and stretching out the base backward outward, each second extension section and each first extension section all are located the encapsulating groove for each second extension section and each first extension section all wrap up sufficient waterproof glue, in order to prevent more effectively that steam from getting into, thereby realize better waterproof performance, satisfy the needs of using.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic perspective view of an assembly of a preferred embodiment of the present utility model before glue filling;

FIG. 2 is another angular schematic view of FIG. 1;

FIG. 3 is an exploded view of a preferred embodiment of the present utility model;

FIG. 4 is another angular schematic view of FIG. 3;

FIG. 5 is a cross-sectional view of the preferred embodiment of the present utility model before dispensing;

FIG. 6 is a cross-sectional view of the preferred embodiment of the present utility model after dispensing.

The attached drawings are used for identifying and describing:

10. insulation body 11, inner insulation member

12. Outer insulator 101, base

102. Tongue plate 20, first terminal

21. First contact portion 22, first extension

23. First connecting section 24, first welding pin

30. Second terminal 31, second contact portion

32. Second extension section 33, second connection section

34. Second welding pin 40, outer shell

41. Shield case 42, plastic case

43. Fixed frame 431 and fixed foot

401. Glue pouring groove 402 and fastening hole

403. Fastening part 50 and fastening hook piece

60. A waterproof piece.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present utility model is shown, which includes an insulating body 10, a plurality of first terminals 20, a plurality of second terminals 30, and a housing 40.

The insulating body 10 includes a base 101 and a tongue plate 102 extending forward from the base 101. The insulating body 10 is composed of two inner insulating pieces 11 and an outer insulating piece 12, the two inner insulating pieces 11 are spliced up and down, the outer insulating piece 12 and the two inner insulating pieces 11 are fixedly inlaid and molded together, and a clamping hook piece 50 is clamped between the two inner insulating pieces 11.

The first terminals 20 and the second terminals 30 are disposed on the insulating body 10, each of the first terminals 20 has a first contact portion 21, the first contact portions 21 are exposed on one surface of the tongue plate 102, each of the second terminals 30 has a second contact portion 31, and the second contact portions 31 are exposed on the other surface of the tongue plate 102; the rear end of each first terminal 20 has a first extension 22, a first connection 23 and a first soldering leg 24 connected in sequence from front to back, and the rear end of each second terminal 30 has a second extension 32, a second connection 33 and a second soldering leg 34 connected in sequence from front to back, the second extensions 32 and the first extensions 22 being separated from each other and protruding back out of the base 101. In the present embodiment, the two inner insulating members 11 are respectively insert-molded and fixed with the plurality of first terminals 20 and the plurality of second terminals 30, so that the structure is stable, and the manufacturing and the assembly are convenient; the second extension sections 32 and the first extension sections 22 are arranged in a staggered manner from left to right and from top to bottom so as to increase the distance between the second extension sections 32 and the first extension sections 22, the first connection sections 23 and the second connection sections 33 are arranged from left to right and extend from top to bottom, and the first welding feet 24 and the second welding feet 34 are arranged from left to right and extend horizontally and backwards out of the housing 40 so as to facilitate welding installation.

The shell 40 is sleeved outside the insulating body 10, a glue filling groove 401 with a backward opening is concavely arranged at the rear end of the shell 40, waterproof glue is filled in the glue filling groove 401 to form a waterproof piece 60, each second extension section 32 and each first extension section 22 are positioned in the glue filling groove 401 and are fixedly inlaid with the waterproof piece 60, each first connection section 23 and each second connection section 33 are positioned in the glue filling groove 401 and are fixedly inlaid with the waterproof piece 60, part of the first connection sections 23 are spliced with the corresponding second connection sections 33, each first welding leg 24 and each second welding leg 34 extend out of the shell 40, and part of the first welding legs 24 are spliced with the corresponding second welding legs 34. Specifically, the housing 40 includes a shielding shell 41 and a plastic shell 42, the shielding shell 41 is covered outside the insulating body 10, the plastic shell 42 is covered outside the shielding shell 41, and the glue filling groove 401 is concavely formed on the rear end surface of the plastic shell 42, so that the structure is simple, and the waterproof sealing is better realized. The plastic housing 42 is sleeved with a fixing frame 43, and fixing legs 431 are respectively provided at two ends of the fixing frame 43, and the fixing legs 431 extend downward to be fixed with the outside. The fixing frame 43 is an inverted U-shaped metal sheet, both sides of the fixing frame 43 are provided with buckling holes 402, both sides of the plastic housing 42 are convexly provided with buckling parts 403, the buckling parts 403 are matched with the buckling holes 402 for buckling and fixing, the structure is simple, and the assembly is stable.

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

firstly, the first terminals 20 and the second terminals 30 are disposed on the insulating body 10, then the shielding shell 41 is covered on the insulating body 10, then the plastic shell 42 is molded outside the shielding shell 41, so that the plastic shell 42 covers the shielding shell 41, then the fixing frame 43 is assembled on the plastic shell 42, and finally, the glue filling groove 401 is filled with waterproof glue to form the waterproof piece 60.

The design focus of the utility model is that: through separating each second extension section and each first extension section each other and stretching out the base backward outward, each second extension section and each first extension section all are located the encapsulating groove for each second extension section and each first extension section all wrap up sufficient waterproof glue, in order to prevent more effectively that steam from getting into, thereby realize better waterproof performance, satisfy the needs of using.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to 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 principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims (9)

1. A waterproof Type-C connector comprises an insulating body, a plurality of first terminals, a plurality of second terminals and a shell; the insulating body comprises a base and a tongue plate extending forwards on the base; the first terminals and the second terminals are arranged on the insulating body, each first terminal is provided with a first contact part, the first contact parts are exposed out of one surface of the tongue plate, each second terminal is provided with a second contact part, and the second contact parts are exposed out of the other surface of the tongue plate; the shell is sleeved outside the insulating body; the method is characterized in that: the back end of each second terminal is provided with a second extending section, a second connecting section and a second welding foot which are sequentially connected from front to back, each second extending section and each first extending section are separated from each other and extend out of the base backwards, each second extending section and each first extending section are positioned in the glue filling groove and are fixedly connected with the waterproof piece through insert molding, each first connecting section and each second connecting section are positioned in the glue filling groove and are fixedly connected with the waterproof piece through insert molding, part of the first connecting sections are spliced together with the corresponding second connecting sections, each first welding foot and each second welding foot extend out of the shell, and part of the first welding foot is spliced together with the corresponding second welding foot.

2. The waterproof Type-C connector of claim 1, wherein: the shell comprises a shielding shell and a plastic shell, wherein the shielding shell is coated outside the insulating body, the plastic shell is coated outside the shielding shell, and the glue filling groove is concavely formed in the rear end face of the plastic shell.

3. The waterproof Type-C connector of claim 2, wherein: the plastic shell is sleeved with a fixing frame, both ends of the fixing frame are provided with fixing feet, and the fixing feet extend downwards.

4. The waterproof Type-C connector of claim 3, wherein: the fixing frame is an inverted U-shaped metal sheet, buckling holes are formed in two sides of the fixing frame, buckling parts are convexly arranged on two sides of the plastic shell, and the buckling parts are matched with the buckling holes to be buckled and fixed.

5. The waterproof Type-C connector of claim 1, wherein: the second extension sections and the first extension sections are arranged left and right and are staggered up and down.

6. The waterproof Type-C connector of claim 1, wherein: the first connecting sections and the second connecting sections are arranged left and right and extend up and down.

7. The waterproof Type-C connector of claim 1, wherein: the first welding feet and the second welding feet are arranged left and right and extend out of the shell horizontally and backwards.

8. The waterproof Type-C connector of claim 1, wherein: the insulation body is composed of two inner insulation pieces and an outer insulation piece, the two inner insulation pieces are spliced up and down and are respectively fixed with the first terminals and the second terminals through insert molding, and the outer insulation piece is fixed with the two inner insulation pieces through insert molding.

9. The waterproof Type-C connector of claim 8, wherein: and a clamping hook piece is clamped between the two inner insulating pieces.