Easy-to-install, secure Type-C connector

Abstract

This utility model discloses a Type-C connector that is easy to install and secure, comprising an insulating body, a terminal group, and a shielding shell. The insulating body includes a base and a tongue plate. The terminal group is disposed on the insulating body and has multiple contact portions and multiple solder portions. The multiple contact portions protrude from the upper and lower surfaces of the tongue plate, and the multiple solder portions extend beyond the base. The shielding shell includes an inner shell and an outer shell. By extending first solder feet on both sides of the inner shell and second solder feet on both sides of the outer shell, during installation and use, the first and second solder feet are soldered and fixed to the external circuit board, achieving simultaneous direct grounding. During insertion, the inner shell and the outer shell are not easily separated due to force, resulting in a very stable structure and a very reliable grounding connection. Furthermore, no spot welding is required between the inner shell and the outer shell, making product manufacturing more convenient and saving production costs.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and in particular to a Type-C connector that is easy to install and secure. Background Technology

[0002] Type-C connectors are a modern interface standard widely used in smartphones, tablets, laptops, and other electronic devices. The biggest advantage of Type-C connectors is their reversibility; their oval shape and identical dimensions at both ends eliminate concerns about incorrect insertion, making them extremely convenient. Type-C connectors support the USB 3.1 standard, with a theoretical transmission speed of up to 10Gbps, several times faster than traditional USB 2.0 interfaces. They also support the USB PD (Power Delivery) protocol, enabling higher charging power, up to 100W, significantly reducing device charging time. Type-C connectors support multiple data transmission protocols, including video and audio, and can be expanded to include various video output interfaces such as HDMI, VGA, and DisplayPort, meeting diverse user needs. Furthermore, Type-C connectors are backward compatible with USB 2.0 and USB 3.0 standards, allowing for seamless connectivity between new and older devices.

[0003] The current Type-C connector mainly consists of an insulating body, a terminal group, and a shielding shell. The insulating body includes a base and a tongue plate extending forward from the base. The terminal group is disposed on the insulating body. The terminal group has multiple contact portions and multiple solder portions. The multiple contact portions are exposed on the upper and lower surfaces of the tongue plate, and the multiple solder portions extend out of the base. The shielding shell includes an inner shell and an outer shell. The inner shell covers the insulating body, and the outer shell covers the inner shell.

[0004] However, in existing technologies, the solder pads are all located on the outer shell, with no solder pads on the inner shell. The inner shell is mainly connected to the outer shell by spot welding, and grounding is achieved through the solder pads on the outer shell. This structure makes the inner shell very prone to detaching from the outer shell under stress during product mating, resulting in structural instability and unreliable grounding connections. Furthermore, the spot welding required during manufacturing makes production inconvenient and increases costs. Therefore, it is necessary to improve the current Type-C connector. Utility Model Content

[0005] In view of this, the present invention addresses the deficiencies of the existing technology, and its main purpose is to provide a Type-C connector that is easy to install and stable, which can effectively solve the problems of unstable structure and unreliable grounding connection of existing Type-C connectors.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A Type-C connector that is easy to install and securely includes an insulating body, a terminal group, and a shielding shell. The insulating body includes a base and a tongue extending forward from the base. The terminal group is disposed on the insulating body. The terminal group has multiple contacts and multiple solder joints, the multiple contacts being exposed above and below the tongue, and the multiple solder joints extending beyond the base. The shielding shell includes an inner shell and an outer shell, the inner shell covering the insulating body and the outer shell covering the inner shell. First solder feet extend from both the left and right sides of the inner shell, and second solder feet extend from both the left and right sides of the outer shell.

[0008] As a preferred embodiment, the bottom of the base extends downward integrally with a raised portion, and the left and right sides of the rear end of the inner shell both extend downward with first side plates. The two first side plates are respectively attached to the left and right sides of the raised portion, and the first welding foot extends downward integrally from the bottom of the first side plate.

[0009] As a preferred embodiment, the outer casing has a second side plate extending downward on both the left and right sides. The two second side plates are respectively attached to the outer surfaces of the two first side plates. The second welding foot extends downward integrally from the bottom front side of the second side plate. The first welding foot is bent relative to the first side plate and is located below the bottom of the second side plate. The second welding foot and the first welding foot are arranged at intervals, and the first welding foot is located directly behind the second welding foot.

[0010] As a preferred embodiment, the first side plate is provided with a riveting groove, and the second side plate is punched from the outside to the inside to form a riveting piece, which is riveted and fixed to the riveting groove.

[0011] As a preferred embodiment, the top front side of the base is recessed with a first limiting groove, the top of the base is protruding with a first limiting platform, and the top rear side of the base is recessed with two fastening grooves; the top of the inner shell is punched from the outside to the inside to form a first limiting part, the first limiting part is embedded in the first limiting groove from front to back, the rear side of the inner shell is provided with a first notch groove, the front inner wall of the first notch groove abuts against the front side of the first limiting platform, and two fastening pieces extend from the left and right inner walls of the first notch groove, the two fastening pieces are bent downward and fastened to the two fastening grooves.

[0012] As a preferred embodiment, there are two first limiting platforms arranged on the left and right, and a second limiting groove is formed between the two first limiting platforms. A second limiting platform is protruding between the two grooves. A second limiting part is formed by punching from the outside to the inside on the top of the outer shell. The second limiting part is embedded in the second limiting groove from front to back. A second notch is opened on the rear side of the outer shell. The inner wall of the front side of the second notch abuts against the front side of the second limiting platform.

[0013] As a preferred embodiment, the top wall of the outer shell and the top wall of the inner shell are fixed together by stamping and riveting, and a first rivet point is formed thereon.

[0014] As a preferred embodiment, the outer shell has covering pieces formed on both the front and rear sides. The two covering pieces are symmetrical and cover the bottom front end of the inner shell. The two covering pieces are fixed to the bottom of the inner shell by stamping and riveting, forming a second rivet point.

[0015] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0016] By extending first solder feet on both the left and right sides of the inner shell and second solder feet on both the left and right sides of the outer shell, the first and second solder feet are soldered and fixed to the external circuit board during installation and use, achieving simultaneous direct grounding. When plugged in, the inner shell and outer shell are not easily separated due to force, the structure is very stable, and the grounding connection is very reliable. At the same time, no spot welding is required between the inner shell and the outer shell, making product manufacturing more convenient and saving production costs.

[0017] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional assembly diagram of a preferred embodiment of the present invention;

[0019] Figure 2 This is a three-dimensional assembly schematic diagram of a preferred embodiment of the present invention from another angle;

[0020] Figure 3 This is a three-dimensional assembly diagram of a preferred embodiment of the present invention from another angle;

[0021] Figure 4 This is an exploded view of a preferred embodiment of the present invention;

[0022] Figure 5 This is an exploded view from another angle of a preferred embodiment of the present invention;

[0023] Figure 6This is an exploded view from another angle of a preferred embodiment of the present invention.

[0024] Explanation of reference numerals in the attached diagram:

[0025] 10. Insulating body 11. Base

[0026] 111. First limiting groove; 112. First limiting platform

[0027] 113. Snap groove; 114. Second limiting groove

[0028] 115. Second limiting platform; 12. Tongue plate

[0029] 13. Elevated section 14. Positioning post

[0030] 20. Terminal group; 21. Contact portion

[0031] 22. Welding section; 30. Shielding shell

[0032] 31. Inner shell 311. First side plate

[0033] 312. First limiting part; 313. First notch groove

[0034] 314, Clip-on; 315, First Clip-on

[0035] 316, First slot; 32, Outer shell

[0036] 321. Second side plate; 322. Second limiting part

[0037] 323. Second notch; 324. Covering sheet

[0038] 325, Second spring; 326, Second slot.

[0039] 301, First weld leg; 302, Second weld leg

[0040] 303, riveting groove; 304, riveting plate.

[0041] 305, First rivet point; 306, Second rivet point. Detailed Implementation

[0042] Please refer to Figures 1 to 6 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including an insulating body 10, a terminal group 20, and a shielding shell 30.

[0043] The insulating body 10 includes a base 11 and a tongue plate 12 extending forward from the base 11. In this embodiment, the insulating body 10 is made of plastic. A raised portion 13 extends downward from the bottom of the base 11, and a positioning post 14 extends downward from the bottom surface of the raised portion 13. There are two positioning posts 14 arranged symmetrically on the left and right, and each positioning post 14 is cylindrical. A first limiting groove 111 is recessed on the front side of the top of the base 11, a first limiting platform 112 is protruding from the top of the base 11, and two retaining grooves 113 are recessed on the rear side of the top of the base 11. There are two first limiting platforms 112 arranged on the left and right, and a second limiting groove 114 is formed between the two first limiting platforms 112. A second limiting platform 115 protrudes between the two retaining grooves 113.

[0044] The terminal group 20 is disposed on the insulating body 10; the terminal group 20 has a plurality of contact portions 21 and a plurality of solder portions 22, the plurality of contact portions 21 respectively protruding from the upper and lower surfaces of the tongue plate 12, and the plurality of solder portions 22 extending out of the base 11. In this embodiment, the plurality of solder portions 22 extend out of the bottom surface of the raised portion 13 and extend horizontally backward.

[0045] The shielding shell 30 includes an inner shell 31 and an outer shell 32. The inner shell 31 covers the insulating body 10, and first solder feet 301 extend from both the left and right sides of the inner shell 31. The outer shell 32 covers the inner shell 31, and second solder feet 302 extend from both the left and right sides of the outer shell 32. The second solder feet 302 and the first solder feet 301 are arranged at intervals. In this embodiment, both the inner shell 31 and the outer shell 32 are formed from metal sheets by stamping.

[0046] The inner housing 31 has two first side plates 311 extending downward from its rear left and right sides. The two first side plates 311 are respectively attached to the left and right sides of the raised portion 13. The first solder feet 301 extend downward from the bottom of the first side plates 311. The outer housing 32 has two second side plates 321 extending downward from its left and right sides. The two second side plates 321 are respectively attached to the outer surfaces of the two first side plates 311. The second solder feet 302 extend downward from the bottom front side of the second side plates 321. The first solder feet 301 are bent relative to the first side plates 311 and are located below the bottom of the second side plates 321 and directly behind the second solder feet 302, so as to be installed and fixed with the external circuit board. Furthermore, the first side plate 311 is provided with a riveting groove 303, and the second side plate 321 is punched from the outside to the inside to form a riveting piece 304, which is riveted and fixed to the riveting groove 303.

[0047] The top of the inner housing 31 is punched from the outside in to form a first limiting portion 312, which is inserted into the first limiting groove 111 from front to back. The rear side of the inner housing 31 has a first notch groove 313, the front inner wall of which abuts against the front side of the first limiting platform 112. Two fastening pieces 314 extend from the left and right inner walls of the first notch groove 313. The two fastening pieces 314 are bent downward and engaged with the two fastening grooves 113 to securely fix the inner housing 31 to the insulating body 10. The top of the outer housing 32 is punched from the outside in to form a second limiting portion 322, which is inserted into the second limiting groove 114 from front to back. The rear side of the outer housing 32 has a second notch groove 323, the front inner wall of which abuts against the front side of the second limiting platform 115.

[0048] Furthermore, the top wall of the outer shell 32 is fixed to the top wall of the inner shell 31 by stamping and riveting, forming a first rivet point 305, which allows for a stable installation connection without laser spot welding. Covering pieces 324 are formed on both the front and rear sides of the outer shell 32. The two covering pieces 324 are symmetrical and cover the bottom front end of the inner shell 31. The two covering pieces 324 are fixed to the bottom of the inner shell 31 by stamping and riveting, forming a second rivet point 306, which also allows for a stable installation connection without laser spot welding.

[0049] In addition, the front top wall of the inner housing 31 is punched to form a first spring piece 315 and a first slot 316. The first spring piece 315 is located in the first slot 316 and extends downward into the inner housing 31. The front top wall of the outer housing 32 is punched to form a second spring piece 325 and a second slot 326. The second spring piece 325 is located in the second slot 326 and extends downward into the first slot 316.

[0050] The assembly process of this embodiment is described in detail below:

[0051] First, the terminal group 20 is placed into the injection mold to form the insulating body 10, so that the terminal group 20 and the insulating body 10 are embedded and fixed together. Next, the inner shell 31 is fitted and fixed onto the insulating body 10 from front to back. Finally, the outer shell 32 is fitted and fixed onto the inner shell 31 from front to back.

[0052] In use, the product is placed on an external circuit board, and the first solder foot 301 and the second solder foot 302 are respectively inserted into the corresponding solder holes on the external circuit board for soldering and connection. At the same time, the multiple solder parts 22 are bonded to the corresponding solder pads on the external circuit board for soldering and connection.

[0053] The key design feature of this invention is that, by extending first welding feet on both the left and right sides of the inner shell and second welding feet on both the left and right sides of the outer shell, the first and second welding feet are welded and fixed to the external circuit board during installation and use, achieving simultaneous direct grounding. When plugged in, the inner shell and outer shell are not easily separated due to force, resulting in a very stable structure and a very reliable grounding connection. Furthermore, no spot welding is required between the inner shell and outer shell, making product manufacturing more convenient and saving production costs.

[0054] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A Type-C connector that is easy to install and securely supports, comprising an insulating body, a terminal group, and a shielding shell; the insulating body includes a base and a tongue extending forward from the base; the terminal group is disposed on the insulating body; the terminal group has a plurality of contact portions and a plurality of solder portions, the plurality of contact portions protruding from the upper and lower surfaces of the tongue portion respectively, and the plurality of solder portions extending beyond the base; the shielding shell includes an inner shell and an outer shell, the inner shell covering the insulating body, and the outer shell covering the inner shell; characterized in that: The inner shell has first weld feet extending from both the left and right sides, and the outer shell has second weld feet extending from both the left and right sides.

2. The Type-C connector for easy and secure installation according to claim 1, characterized in that: The base has an integrally extended lower part at its bottom, and the rear left and right sides of the inner shell have first side plates extending downward. The two first side plates are respectively attached to the left and right sides of the raised part, and the first welding foot extends integrally downward from the bottom of the first side plate.

3. The Type-C connector for easy and secure installation according to claim 2, characterized in that: The outer casing has two second side plates extending downwards on both sides. The two second side plates are respectively attached to the outer surfaces of the two first side plates. The second welding foot extends downwards integrally from the bottom front side of the second side plate. The first welding foot is bent relative to the first side plate and is located below the bottom of the second side plate. The second welding foot and the first welding foot are arranged at intervals, and the first welding foot is located directly behind the second welding foot.

4. The Type-C connector for easy and secure installation according to claim 3, characterized in that: The first side plate has a riveting groove, and the second side plate has a riveting piece punched from the outside to the inside, which is riveted and fixed to the riveting groove.

5. The Type-C connector for easy and secure installation according to claim 1, characterized in that: The base has a first limiting groove recessed on the front top, a first limiting platform protruding from the top, and two snap-fit ​​grooves recessed on the rear top. The top of the inner shell has a first limiting part punched from the outside to the inside, which is embedded in the first limiting groove from front to back. The rear side of the inner shell has a first notch, the inner wall of which abuts against the front side of the first limiting platform. Two snap-fit ​​pieces extend from the inner walls of the left and right sides of the first notch, and these two snap-fit ​​pieces are bent downwards and engaged with the two snap-fit ​​grooves.

6. The Type-C connector for easy and secure installation according to claim 5, characterized in that: The first limiting platform consists of two platforms arranged on the left and right, and a second limiting groove is formed between the two first limiting platforms. The second limiting platform protrudes between the two grooves. The top of the outer shell is punched from the outside to the inside to form a second limiting part. The second limiting part is embedded in the second limiting groove from front to back. A second notch is opened on the rear side of the outer shell, and the inner wall of the front side of the second notch abuts against the front side of the second limiting platform.

7. The Type-C connector for easy and secure installation according to claim 1, characterized in that: The top wall of the outer shell and the top wall of the inner shell are fixed together by stamping and riveting, forming a first rivet point.

8. The Type-C connector for easy and secure installation according to claim 1, characterized in that: The outer shell has covering pieces on both the front and rear sides. The two covering pieces are symmetrical and cover the bottom front end of the inner shell. The two covering pieces are fixed to the bottom of the inner shell by stamping and riveting, forming a second rivet point.

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