Type-C connector with three-in-one welded waterproof shell

Abstract

The utility model discloses a Type-C connector with a three-in-one welded waterproof shell. The Type-C connector comprises an insulating body, terminals, a shielding outer shell, an elastic sheet inner shell and a metal outer shell, a shielding outer shell is arranged to be a seamless shell formed through integral stretching, an elastic piece inner shell is arranged on the inner wall face of the front end of the shielding outer shell in a matched mode, the elastic piece inner shell is fixedly connected with the shielding outer shell through spot welding, a plurality of first welding spots are formed on the surface of the shielding outer shell, and a metal outer shell is arranged outside the shielding outer shell. According to the Type-C connector, the metal shell is fixedly connected with the shielding shell through spot welding, and a plurality of second welding spots are formed on the surface of the metal shell, so that the Type-C connector adopts the three-in-one welding type waterproof shell, the waterproof performance of the shell is effectively enhanced, external liquid is not easy to intrude into the shell, normal transmission of signals is ensured, the product quality is improved, and the Type-C connector is suitable for popularization and application. The safety performance during use is improved, the requirement for efficient waterproof performance of the shell is met, the European standard is met, and the IPX8 waterproof grade is achieved.

Description

Technical Field

[0001] The utility model relates to the technology in the field of Type-C connectors, and in particular to a Type-C connector with a three-in-one welded waterproof shell. Background Art

[0002] Type-C is much smaller than Type-A and Type-B, and is a new type of USB interface with a thin and compact interface. In addition, Type-C is an interface type that can be applied to both PCs (master devices) and external devices (slave devices, such as mobile phones), and has good practicality; and Type-C supports higher power transmission, up to 100W, and the fastest data transmission speed is up to 10Gbps, supporting more high-power load devices; and Type-C is the latest USB interface appearance standard. This interface has no difference in forward and reverse directions, can be plugged in and out at will, and is more flexible in application. Type-C connectors have many specifications, including 6Pin, 12Pin, 16Pin, 24Pin and other structures.

[0003] The current Type-C connector generally has a structure in which multiple terminals are inlaid on an insulating body, and then a shielding shell is covered on the outside of the insulating body. The shielding shell is usually a single-layer structure. This structure is relatively simple and can basically realize the data transmission function of the connector. However, the waterproof performance of the shielding shell is not good. External liquids can easily invade the shielding shell and affect the transmission of signals. The product quality is poor and there are major safety hazards. It cannot meet the demand for efficient waterproofing of the shielding shell. The product has a short service life and a poor user experience. Therefore, it is necessary to improve the current Type-C connector. Utility Model Content

[0004] In view of this, the utility model aims to address the deficiencies in the prior art, and its main purpose is to provide a Type-C connector with a three-in-one welded waterproof shell, which can effectively solve the problems of the existing Type-C connector, such as poor waterproof performance of the shielding shell, easy invasion of external liquid into the shielding shell thereby affecting signal transmission, poor quality, great safety hazards, failure to meet the demand for efficient waterproofing of the shielding shell, and short service life.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A Type-C connector with a three-in-one welded waterproof shell, comprising an insulating body, a terminal, a shielding shell, a spring inner shell and a metal shell; the insulating body comprises a base and a tongue plate extending from the base, a glue dispensing groove is provided on the outer side surface of the rear end of the base, and the glue dispensing groove is filled with waterproof glue to form a waterproof part; the terminal is multiple, and the multiple terminals are all arranged on the insulating body, the contact parts of the multiple terminals are respectively exposed on the two surfaces of the tongue plate, the welding parts of the multiple terminals all extend out of the base through the glue dispensing groove, and the multiple terminals are inlay-molded and fixed together with the waterproof part; the shielding shell is coated on the insulating body, and the shielding shell is an integrally stretched seamless shell; the spring inner shell is arranged on the inner wall surface of the front end of the shielding shell, the spring inner shell is fixedly connected to the shielding shell by spot welding, and a plurality of first welding points are formed on the surface of the shielding shell; the metal shell is arranged outside the shielding shell, and the metal shell is fixedly connected to the shielding shell by spot welding, and a plurality of second welding points are formed on the surface of the metal shell.

[0007] As a preferred solution, the front end of the shrapnel inner shell extends forward out of the shielding shell, and is further provided with a waterproof ring, which is arranged on the front end outer surface of the shrapnel inner shell and located on the front side of the shielding shell, effectively enhancing the waterproof performance of the product.

[0008] As a preferred solution, a limiting convex strip extends from the front end of the shielding shell, and the limiting convex strip is located at the rear side of the waterproof ring.

[0009] As a preferred solution, the shielding shell is an iron shell.

[0010] As a preferred solution, a spring is provided on the spring inner shell, and the spring is used to cooperate with the plug connector for grounding and has a detection function.

[0011] As a preferred solution, fixing holes for fixing with external parts are provided on both sides of the metal shell, which is conducive to better fixing the connector and making the connection structure more stable and reliable.

[0012] As a preferred solution, the fixing hole is circular.

[0013] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0014] By covering the shielding shell outside the insulating body, the shielding shell is an integrally stretched seamless shell, and the spring inner shell is arranged on the front inner wall surface of the shielding shell, the spring inner shell is fixedly connected to the shielding shell by spot welding, and a plurality of first welding points are formed on the surface of the shielding shell, and the metal shell is arranged outside the shielding shell, and the metal shell is fixedly connected to the shielding shell by spot welding, and a plurality of second welding points are formed on the surface of the metal shell. This Type-C connector adopts a three-in-one welded waterproof shell, which effectively enhances the waterproof performance of the shell, and external liquid is not easy to invade the shell, thereby ensuring the normal transmission of the signal, improving the quality of the product, and improving the safety performance during use. It meets the demand for efficient waterproofing of the shell, complies with European standards and reaches IPX8 waterproof level, extends the service life of the product, and enhances the user experience.

[0015] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0018] Figure 3 It is an exploded view of a preferred embodiment of the utility model;

[0019] Figure 4 It is an exploded view from another angle of the preferred embodiment of the utility model;

[0020] Figure 5 It is a partial structural schematic diagram of a preferred embodiment of the utility model.

[0021] Description of the accompanying drawings:

[0022] 10. Insulation body 11. Base

[0023] 12. Tongue plate 101, glue dispensing slot

[0024] 20. Terminal 21. Contact part

[0025] 22. Welding part 30. Shielding shell

[0026] 31. First welding point 32. Limiting convex strip

[0027] 40. Shrapnel inner shell 41. Shrapnel

[0028] 50. Metal shell 51. Second welding point

[0029] 52, fixing holes 60, waterproof parts

[0030] 70. Waterproof ring. DETAILED DESCRIPTION

[0031] Please refer to Figures 1 to 5 As shown, it shows the specific structure of a preferred embodiment of the utility model, including an insulating body 10, a terminal 20, a shielding shell 30, a spring inner shell 40 and a metal shell 50.

[0032] The insulating body 10 includes a base 11 and a tongue plate 12 extending from the base 11 . A glue groove 101 is defined on the rear outer side of the base 11 . The glue groove 101 is filled with waterproof glue to form a waterproof member 60 .

[0033] There are multiple terminals 20, and the multiple terminals 20 are all arranged on the insulating body 10. The contact parts 21 of the multiple terminals 20 are respectively exposed on the two surfaces of the tongue plate 12. The welding parts 22 of the multiple terminals 20 all pass through the glue dispensing groove 101 and extend out of the base 11. The multiple terminals 20 are all inlaid and fixed with the waterproof part 60.

[0034] The shielding shell 30 is wrapped around the insulating body 10 and is an integrally stretched seamless shell. In this embodiment, a limiting convex strip 32 extends from the front end of the shielding shell 30 . The shielding shell 30 is an iron shell.

[0035] The spring clip inner shell 40 is arranged on the front end inner wall surface of the shielding shell 30, and the spring clip inner shell 40 is fixedly connected to the shielding shell 30 by spot welding and a plurality of first welding points 31 are formed on the surface of the shielding shell 30; in the present embodiment, a spring clip 41 is arranged on the spring clip inner shell 40, and the spring clip 41 is used to cooperate with the plug connector for grounding and has a detection function; the front end of the spring clip inner shell 40 extends forward from the shielding shell 30, and a waterproof ring 70 is further arranged, and the waterproof ring 70 is arranged on the front end outer surface of the spring clip inner shell 40 and is located on the front side of the shielding shell 30, so as to effectively enhance the waterproof performance of the product; specifically, the waterproof ring 70 is located on the front side of the limiting convex strip 32.

[0036] The metal shell 50 is arranged outside the shielding shell 30. The metal shell 50 is fixedly connected to the shielding shell 30 by spot welding and a plurality of second welding points 51 are formed on the surface of the metal shell 50. In this embodiment, fixing holes 52 for fixing to external parts are provided on both sides of the metal shell 50, which is conducive to better fixing the connector and making the connection structure more stable and reliable. Specifically, the fixing hole 52 is circular.

[0037] The production process of this embodiment is described in detail as follows:

[0038] First, mold a plurality of terminals 20, a shielding shell 30, a spring inner shell 40, a metal shell 50 and a waterproof ring 70; then, put the plurality of terminals 20 into a mold to injection mold an insulating body 10; then, install the spring inner shell 40 into the front inner wall surface of the shielding shell 30, and fix the spring inner shell 40 and the shielding shell 30 together by laser spot welding; then, install the metal shell 50 outside the shielding shell 30, and fix the metal shell 50 and the shielding shell 30 together by laser spot welding, and set the waterproof ring 70 on the front outer surface of the spring inner shell 40, thereby forming a three-in-one welded waterproof shell; then, cover the three-in-one welded waterproof shell on the outside of the insulating body 10; finally, fill the waterproof glue in the glue dispensing groove 101 at the rear end of the base 11 to form a waterproof part 60.

[0039] The design focus of this utility model is:

[0040] By covering the shielding shell outside the insulating body, the shielding shell is an integrally stretched seamless shell, and the spring inner shell is arranged on the front inner wall surface of the shielding shell, the spring inner shell is fixedly connected to the shielding shell by spot welding, and a plurality of first welding points are formed on the surface of the shielding shell, and the metal shell is arranged outside the shielding shell, and the metal shell is fixedly connected to the shielding shell by spot welding, and a plurality of second welding points are formed on the surface of the metal shell. This Type-C connector adopts a three-in-one welded waterproof shell, which effectively enhances the waterproof performance of the shell, and external liquid is not easy to invade the shell, thereby ensuring the normal transmission of the signal, improving the quality of the product, and improving the safety performance during use. It meets the demand for efficient waterproofing of the shell, complies with European standards and reaches IPX8 waterproof level, extends the service life of the product, and enhances the user experience.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A Type-C connector with a three-in-one welded waterproof shell, characterized in that: It includes an insulating body, a terminal, a shielding shell, a spring inner shell and a metal shell; the insulating body includes a base and a tongue plate extending from the base, the outer side surface of the rear end of the base is provided with a glue dispensing groove, and the glue dispensing groove is filled with waterproof glue to form a waterproof part; there are multiple terminals, and the multiple terminals are all arranged on the insulating body, the contact parts of the multiple terminals are respectively exposed on the two surfaces of the tongue plate, the welding parts of the multiple terminals all pass through the glue dispensing groove and extend out of the base, and the multiple terminals are all fixed together with the waterproof part by inlay molding; the shielding shell is covered on the insulating body, and the shielding shell is an integrally stretched seamless shell; the spring inner shell is arranged on the inner wall surface of the front end of the shielding shell, the spring inner shell is fixedly connected to the shielding shell by spot welding, and a plurality of first welding points are formed on the surface of the shielding shell; the metal shell is arranged outside the shielding shell, and the metal shell is fixedly connected to the shielding shell by spot welding, and a plurality of second welding points are formed on the surface of the metal shell.

2. The Type-C connector with a three-in-one welded waterproof shell according to claim 1, characterized in that: The front end of the shrapnel inner shell extends forward out of the shielding shell, and is further provided with a waterproof ring, which is arranged on the front end outer surface of the shrapnel inner shell and located at the front side of the shielding shell.

3. The Type-C connector with a three-in-one welded waterproof shell according to claim 2, characterized in that: A limiting convex strip extends from the front end of the shielding shell, and the limiting convex strip is located at the rear side of the waterproof ring.

4. The Type-C connector with a three-in-one welded waterproof shell according to claim 1, characterized in that: The shielding shell is an iron shell.

5. The Type-C connector with a three-in-one welded waterproof shell according to claim 1, characterized in that: The shrapnel inner shell is provided with a shrapnel.

6. The Type-C connector with a three-in-one welded waterproof shell according to claim 1, characterized in that: Both sides of the metal shell are provided with fixing holes for fixing with external parts.

7. The Type-C connector with a three-in-one welded waterproof shell according to claim 6, characterized in that: The fixing hole is circular.

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