Type C connector capable of preventing short circuit

Abstract

The utility model discloses a Type C connector capable of preventing short circuit. The Type C connector comprises an insulating body, terminals and a shielding shell, a plurality of terminals are embedded and molded in a first insulating part, the first insulating part is provided with a plurality of first steps, the plurality of first steps are respectively arranged at the peripheries of the inner side surfaces of contact parts of the corresponding terminals, and a second insulating part is cooperatively molded in a first groove, a second groove and a third groove in an injection manner; according to the Type-C connector with the structure, an internal path between two adjacent contact parts is effectively lengthened (namely, the path between the two adjacent terminal contact parts at the joint of the first insulating part and the second insulating part is lengthened, and a previous through type linear path is improved into a step path with a corner), so that the risk of short circuit is reduced, and the service life of the Type-C connector is prolonged. The safety performance of the product is improved, the quality of the product is greatly improved, the service life of the product is prolonged, the user experience is improved, and the existing requirements are met.

Description

Technical Field

[0001] The utility model relates to the technology of the Type C connector field, in particular to a Type C connector capable of preventing short circuit. 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 placed in a mold to injection mold a first insulating part, and then placed in another mold to injection mold a second insulating part, and then a shielding shell is covered outside the first insulating part and the second insulating part. Although this structure is simple, when external liquid or foreign matter penetrates and invades the interior of the product, since the path between the contact parts of two adjacent terminals at the junction of the first insulating part and the second insulating part is a straight line and the path is short, it is easy to cause a short circuit between two adjacent terminals, which poses a great safety hazard, affects the quality of the product, shortens the product's service life, and provides a poor user experience, which cannot meet existing needs. Therefore, it is necessary to improve the current Type-C connector. Utility Model Content

[0004] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a Type C connector that prevents short circuits. The utility model can effectively solve the problem that when external liquid or foreign matter penetrates and invades the interior of the product, the straight path between two adjacent terminal contact parts is prone to cause a short circuit, which poses a major safety hazard, affects product quality, and has a short service life.

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

[0006] A Type C connector for preventing short circuit comprises an insulating body, a terminal and a shielding shell; the insulating body comprises a base and a tongue plate extending from the base, the insulating body comprises a first insulating member and a second insulating member, the upper and lower surfaces of the first insulating member are provided with a first groove and a second groove, the first groove and the second groove are communicated; there are a plurality of terminals, all of which are arranged on the insulating body, the contact parts of the plurality of terminals are respectively exposed on the two surfaces of the tongue plate, the welding parts of the plurality of terminals are all extended out of the base, the plurality of terminals are inlay-molded in the first insulating member, the first insulating member has a plurality of first steps, the plurality of first steps are respectively arranged on the periphery of the inner side surface of the contact part of the corresponding terminal, the structural design of the plurality of first steps effectively lengthens the internal path between two adjacent contact parts (that is, at the junction of the first insulating member and the second insulating member, the path between the two adjacent contact parts becomes longer), thereby reducing the risk of short circuit; a third groove is formed between every two contact parts, the third groove is communicated with the first groove and the second groove, the second insulating member is injection-molded in the first groove, the second groove and the third groove; the shielding shell is coated on the insulating body.

[0007] As a preferred solution, the inner side surface of the second insulating part is provided with a plurality of first positioning grooves and a plurality of second positioning grooves, the bottom surface of the first groove is provided with a plurality of first protrusions, and the bottom surface of the second groove is provided with a plurality of second protrusions. The plurality of first protrusions are respectively located in the corresponding first positioning grooves and are fixed with the corresponding first positioning grooves, and the plurality of second protrusions are respectively located in the corresponding second positioning grooves and are fixed with the corresponding second positioning grooves, thereby enhancing the stability of the connection structure and being able to effectively lengthen the path for liquid to invade the interior of the product, further reducing the risk of short circuit.

[0008] As a preferred solution, the first bump has a plurality of second steps, and the second bump has a plurality of third steps, which can further lengthen the path for liquid to invade the interior of the product and further reduce the risk of short circuit.

[0009] As a preferred solution, the height of the first step is smaller than the height of the contact portion of the terminal.

[0010] As a preferred embodiment, the multiple terminals include multiple upper terminals and multiple lower terminals, and a middle clip is also provided, which is located between the multiple upper terminals and the multiple lower terminals, and the middle clip, the multiple upper terminals, and the multiple lower terminals are all inlaid in the insulating body; each upper terminal includes an upper contact portion, an upper fixing portion, and an upper welding portion that are integrally connected in sequence, the upper contact portion is exposed on the upper surface of the tongue plate, the upper fixing portion is buried in the insulating body, and the upper welding portion extends out of the base; each lower terminal includes a lower contact portion, a lower fixing portion, and a lower welding portion that are integrally connected in sequence, the lower contact portion is exposed on the lower surface of the tongue plate, the lower fixing portion is buried in the insulating body, and the lower welding portion extends out of the base, the lower welding portion is located below the upper welding portion and staggered left and right, and the multiple first steps are respectively arranged on the outer periphery of the inner side surface of the corresponding upper contact portion and the outer periphery of the inner side surface of the corresponding lower contact portion.

[0011] As a preferred solution, 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. Multiple terminals are inlaid and fixed with the waterproof part, which effectively enhances the waterproof performance of the product.

[0012] As a preferred solution, a waterproof ring is further provided, which is arranged at the front end of the shielding shell to further enhance the waterproof performance of the product.

[0013] As a preferred solution, a stopper is further provided, which is arranged at the front end of the shielding shell and located at the rear side of the waterproof ring.

[0014] As a preferred solution, a metal shell is further provided, and the metal shell is coated outside the shielding shell.

[0015] As a preferred solution, fixing holes for fixing with external parts are provided on the left and right sides of the metal shell, which is conducive to better fixing the connector and making the connection structure more stable and reliable.

[0016] 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:

[0017] By inserting and molding multiple terminals in a first insulating member, the first insulating member has multiple first steps, and the multiple first steps are respectively arranged on the inner side peripheries of the contact portions of the corresponding terminals, and the second insulating member is injection molded in the first groove, the second groove, and the third groove. The Type-C connector of this structure effectively lengthens the internal path between two adjacent contact portions (that is, at the junction of the first insulating member and the second insulating member, the path between the contact portions of two adjacent terminals becomes longer, and is improved from the previous through-type straight path to a step path with corners), thereby reducing the risk of short circuit, improving the safety performance of the product, greatly improving the quality of the product, extending the service life of the product, and enhancing the user experience.

[0018] Furthermore, by arranging a plurality of first protrusions which are respectively located in the corresponding first positioning grooves and are fixed in cooperation with the corresponding first positioning grooves, and a plurality of second protrusions which are respectively located in the corresponding second positioning grooves and are fixed in cooperation with the corresponding second positioning grooves, the stability of the connection structure is effectively enhanced, and the path for external liquid to invade the interior of the product at the junction of the first insulating member and the second insulating member can be effectively lengthened, thereby further reducing the risk of short circuit and meeting existing needs.

[0019] 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

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of a preferred embodiment of the utility model;

[0023] Figure 4 It is a partial structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0024] Figure 5 It is an exploded view of a preferred embodiment of the utility model;

[0025] Figure 6 It is a partial cross-sectional view of a preferred embodiment of the utility model;

[0026] Figure 7 It is a partial longitudinal cross-sectional view of a preferred embodiment of the utility model.

[0027] Description of the accompanying drawings:

[0028] 10. Insulation body 11. Base

[0029] 12. tongue plate 13. first insulating member

[0030] 131, first groove 132, second groove

[0031] 133. First step 134. First bump

[0032] 1341, second step 135, second protrusion

[0033] 1351, third step 14, second insulating member

[0034] 141, first positioning groove 142, second positioning groove

[0035] 101, glue dispensing slot 20, terminal

[0036] 21. Contact portion 211. Upper contact portion

[0037] 212, lower contact portion 22, welding portion

[0038] 221, upper welding part 222, lower welding part

[0039] 231, upper fixing portion 232, lower fixing portion

[0040] 201, third groove 202, upper terminal

[0041] 203, lower terminal 204, middle clip

[0042] 30. Shielding shell 40. Waterproof parts

[0043] 50. Waterproof ring 60. Stopper

[0044] 70. Metal shell 71. Fixing hole. DETAILED DESCRIPTION

[0045] Please refer to Figures 1 to 7 As shown, it shows the specific structure of a preferred embodiment of the utility model, including an insulating body 10, a terminal 20 and a shielding shell 30.

[0046] The insulating body 10 includes a base 11 and a tongue plate 12 extending from the base 11, and the insulating body 10 includes a first insulating member 13 and a second insulating member 14. The upper and lower surfaces of the first insulating member 13 are provided with a first groove 131 and a second groove 132, and the first groove 131 and the second groove 132 are connected; in this embodiment, the inner side surface of the second insulating member 14 is provided with a plurality of first positioning grooves 141 and a plurality of second positioning grooves 142, the bottom surface of the first groove 131 is provided with a plurality of first protrusions 134, and the bottom surface of the second groove 132 is provided with a plurality of second protrusions 135, and the plurality of first protrusions 134 are respectively located in the corresponding first positioning grooves 141 and are connected to the corresponding The first positioning groove 141 is matched and fixed, and the plurality of second protrusions 135 are respectively located in the corresponding second positioning grooves 142 and matched and fixed with the corresponding second positioning grooves 142, thereby enhancing the stability of the connection structure and being able to effectively lengthen the path for liquid to invade the interior of the product, further reducing the risk of short circuit; the first protrusion 134 has a plurality of second steps 1341, and the second protrusion 135 has a plurality of third steps 1351, which can further lengthen the path for liquid to invade the interior of the product, further reducing the risk of short circuit; a glue dispensing groove 101 is provided on the outer side surface of the rear end of the base 11, and the glue dispensing groove 101 is filled with waterproof glue to form a waterproof part 40, which effectively enhances the waterproof performance of the product.

[0047] 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, and the welding parts 22 of the multiple terminals 20 are all extended out of the base 11. The multiple terminals 20 are inlay-molded in the first insulating member 13. The first insulating member 13 has a plurality of first steps 133, and the multiple first steps 133 are respectively arranged on the inner side periphery of the contact part 21 of the corresponding terminal 20. The structural design of the multiple first steps 133 effectively lengthens the internal path between two adjacent contact parts 21 (that is, at the junction of the first insulating member 13 and the second insulating member 14, the path between two adjacent contact parts 21 becomes longer), thereby reducing the risk of short circuit; a third groove 201 is formed between every two contact parts 21, and the third groove 201 is connected with the first groove 131 and the second groove 132. The second insulating member 14 is injection molded in the first groove 131, the second groove 132, and the third groove 201.

[0048] In this embodiment, the height of the first step 133 is less than the height of the contact portion 21 of the terminal 20; the plurality of terminals 20 include a plurality of upper terminals 202 and a plurality of lower terminals 203, and are further provided with a middle clip 204, the middle clip 204 is located between the plurality of upper terminals 202 and the plurality of lower terminals 203, the middle clip 204, the plurality of upper terminals 202, and the plurality of lower terminals 203 are all inlaid and molded in the insulating body 10; each upper terminal 202 includes an upper contact portion 211, an upper fixing portion 231, and an upper welding portion 221 which are integrally molded and connected in sequence, the upper contact portion 211 is exposed on the upper surface of the tongue plate 12, and the upper fixing portion 231 is buried in Inside the insulating body 10, the upper welding portion 221 extends out of the base 11; each lower terminal 203 includes a lower contact portion 212, a lower fixing portion 232 and a lower welding portion 222 which are integrally formed and connected in sequence, the lower contact portion 212 is exposed on the lower surface of the tongue plate 12, the lower fixing portion 232 is buried in the insulating body 10, and the lower welding portion 222 extends out of the base 11, the lower welding portion 222 is located below the upper welding portion 221 and staggered left and right, and the multiple first steps 133 are respectively arranged on the outer periphery of the inner side surface of the corresponding upper contact portion 211 and the outer periphery of the inner side surface of the corresponding lower contact portion 212; multiple terminals 20 are all inlaid and fixed with the waterproof component 40.

[0049] The shielding shell 30 is covered on the outside of the insulating body 10; in the present embodiment, a waterproof ring 50 is further provided, and the waterproof ring 50 is arranged at the front end of the shielding shell 30 to further enhance the waterproof performance of the product; specifically, a stopper 60 is also provided, and the stopper 60 is arranged at the front end of the shielding shell 30 and is located on the rear side of the waterproof ring 50; a metal shell 70 is further provided, and the metal shell 70 is covered on the outside of the shielding shell 30; specifically, the left and right sides of the metal shell 70 are provided with fixing holes 71 for fixing with external parts, which is conducive to better fixing the connector and making the connection structure more stable and reliable.

[0050] The production process of this embodiment is described in detail as follows:

[0051] First, a plurality of upper terminals 202, a plurality of lower terminals 203, a middle clip 204, a shielding shell 30, a waterproof ring 50, a stopper 60 and a metal shell 70 are formed; then, the plurality of upper terminals 202, a middle clip 204 and a plurality of lower terminals 203 are placed in a mold to be injection molded into a first insulating member 13; then, the first insulating member 13 is placed in another mold to be injection molded into a second insulating member 14, and the second insulating member 14 is formed by filling the first groove 131, the second groove 132 and the third groove 201 with plastic; then, the shielding shell 30 is covered on the outside of the insulating body 10, and the waterproof glue is filled in the glue groove 101 to form a waterproof member 40; then, the stopper 60 is arranged at the front end of the shielding shell 30, and the waterproof ring 50 is arranged at the front end of the shielding shell 30 and is located in front of the stopper 60; finally, the metal shell 70 is covered on the outside of the shielding shell 30.

[0052] The design focus of this utility model is:

[0053] By inserting and molding multiple terminals in a first insulating member, the first insulating member has multiple first steps, and the multiple first steps are respectively arranged on the inner side peripheries of the contact portions of the corresponding terminals, and the second insulating member is injection molded in the first groove, the second groove, and the third groove. The Type-C connector of this structure effectively lengthens the internal path between two adjacent contact portions (that is, at the junction of the first insulating member and the second insulating member, the path between the contact portions of two adjacent terminals becomes longer, and is improved from the previous through-type straight path to a step path with corners), thereby reducing the risk of short circuit, improving the safety performance of the product, greatly improving the quality of the product, extending the service life of the product, and enhancing the user experience.

[0054] Furthermore, by arranging a plurality of first protrusions which are respectively located in the corresponding first positioning grooves and are fixed in cooperation with the corresponding first positioning grooves, and a plurality of second protrusions which are respectively located in the corresponding second positioning grooves and are fixed in cooperation with the corresponding second positioning grooves, the stability of the connection structure is effectively enhanced, and the path for external liquid to invade the interior of the product at the junction of the first insulating member and the second insulating member can be effectively lengthened, thereby further reducing the risk of short circuit and meeting existing needs.

[0055] 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 for preventing short circuit, comprising an insulating body, a terminal and a shielding shell; the insulating body comprises a base and a tongue extending from the base, the insulating body comprises a first insulating member and a second insulating member, the upper and lower surfaces of the first insulating member are provided with a first groove and a second groove, the first groove and the second groove are communicated; there are multiple terminals, 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, the welding parts of the multiple terminals are all extended out of the base, the multiple terminals are inlay-molded in the first insulating member, a third groove is formed between every two contact parts, the third groove is communicated with the first groove and the second groove, the second insulating member is injection-molded in the first groove, the second groove and the third groove; the shielding shell is covered on the insulating body; it is characterized in that: The first insulating member has a plurality of first steps, and the plurality of first steps are respectively arranged on the periphery of the inner side surface of the contact portion of the corresponding terminal.

2. The Type C connector for preventing short circuit according to claim 1, characterized in that: The inner side surface of the second insulating member is provided with a plurality of first positioning grooves and a plurality of second positioning grooves, the bottom surface of the first groove is provided with a plurality of first protrusions, and the bottom surface of the second groove is provided with a plurality of second protrusions, the plurality of first protrusions are respectively located in the corresponding first positioning grooves and are fixed in cooperation with the corresponding first positioning grooves, and the plurality of second protrusions are respectively located in the corresponding second positioning grooves and are fixed in cooperation with the corresponding second positioning grooves.

3. The Type C connector for preventing short circuit according to claim 2, characterized in that: The first bump has a plurality of second steps, and the second bump has a plurality of third steps.

4. The Type C connector for preventing short circuit according to claim 1, characterized in that: The height of the first step is smaller than the height of the contact portion of the terminal.

5. The Type C connector for preventing short circuit according to claim 1, characterized in that: The multiple terminals include multiple upper terminals and multiple lower terminals, and a middle clip is also provided, which is located between the multiple upper terminals and the multiple lower terminals, and the middle clip, the multiple upper terminals, and the multiple lower terminals are all inlaid in the insulating body; each upper terminal includes an upper contact portion, an upper fixing portion, and an upper welding portion that are integrally connected in sequence, the upper contact portion is exposed on the upper surface of the tongue plate, the upper fixing portion is buried in the insulating body, and the upper welding portion extends out of the base; each lower terminal includes a lower contact portion, a lower fixing portion, and a lower welding portion that are integrally connected in sequence, the lower contact portion is exposed on the lower surface of the tongue plate, the lower fixing portion is buried in the insulating body, and the lower welding portion extends out of the base, the lower welding portion is located below the upper welding portion and staggered left and right, and the multiple first steps are respectively arranged on the outer periphery of the inner side surface of the corresponding upper contact portion and the outer periphery of the inner side surface of the corresponding lower contact portion.

6. The Type C connector for preventing short circuit according to claim 1, characterized in that: 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 component, and a plurality of terminals are inlaid and fixed with the waterproof component.

7. The Type C connector for preventing short circuit according to claim 1, characterized in that: A waterproof ring is further provided, and the waterproof ring is arranged at the front end of the shielding shell.

8. The Type C connector for preventing short circuit according to claim 7, characterized in that: A stopper is further provided, which is arranged at the front end of the shielding shell and located at the rear side of the waterproof ring.

9. The Type C connector for preventing short circuit according to claim 1, characterized in that: A metal shell is further provided, and the metal shell is covered outside the shielding shell.

10. The Type C connector for preventing short circuit according to claim 9, characterized in that: The left and right sides of the metal shell are provided with fixing holes for fixing with external parts.

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