Structure-reinforced Type-C connector

Abstract

The utility model discloses a structure-reinforced Type-C connector. The structure-reinforced Type-C connector comprises an insulating body, terminals, an integrated shielding sheet and a shielding shell, the protruding rib is arranged at the front end of the base, the integrated shielding piece is arranged at the rear end of the tongue plate in a sleeving mode, the integrated shielding piece is arranged outside the protruding rib and abuts against the protruding rib, and the shielding shell wraps the insulating body and the integrated shielding piece. The shielding shell is fixedly connected with the integrated shielding sheet through spot welding, and a plurality of welding spots are formed on the surface of the shielding shell, the integrated shielding sheet of the Type-C connector can effectively enhance the strength of the tongue plate, the spot welding structure of the shielding shell is cooperatively arranged, the overall strength of a product can be enhanced, and the stability of the structure is enhanced; through the arrangement of the convex ribs, the integrated shielding sheet and the shielding shell are better attached, so that the contact is better, the grounding effect of a product is enhanced, the high-frequency performance of the product is more stable, the signal transmission quality of the product is improved, the quality of the product is improved, and the existing requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of Type-C connectors, in particular to a Type-C connector with enhanced structure. Background Art

[0002] Type-C has a much smaller volume than both Type-A and Type-B. It is a new type of USB interface with a thin, light 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), with good practicability. And Type-C supports higher power transmission, up to 100W at most, the fastest data transmission speed can reach up to 10Gbps, and it supports more high-power load devices. Moreover, Type-C is the latest USB interface form standard. This interface has no distinction between the front and back directions and can be plugged and unplugged randomly, making the application more flexible. There are many types of Type-C connector specifications, such as 6Pin, 12Pin, 16Pin, 24Pin and other structures.

[0003] Currently, general Type-C connectors usually have multiple terminals embedded and formed on an insulating body, with two shielding sheets arranged on the upper and lower surfaces at the rear end of the tongue plate, and then a shielding shell is wrapped outside the insulating body. This structure is relatively simple and can basically achieve the data transmission function of the connector. However, the strength of the tongue plate is average, the overall strength of the product is average, the structure is not stable enough. After the product is plugged and unplugged many times, the insulating body and the shielding sheet are prone to slide relative to the shielding shell. Also, the shielding sheet and the shielding shell are prone to poor contact, the grounding effect is average, the high-frequency performance of the product is not stable enough, affecting the signal transmission of the product, and the quality of the product is average, which cannot meet the existing requirements. Therefore, it is necessary to study a new technical solution to improve the current Type-C connector. Summary of the Utility Model

[0004] In view of this, aiming at the deficiencies existing in the prior art, the main purpose of the utility model is to provide a Type-C connector with enhanced structure, which can effectively solve the problems existing in the current Type-C connector, such as the average strength of the tongue plate, the average overall strength of the product, the unstable structure, the easy sliding of the insulating body and the shielding sheet relative to the shielding shell after the product is plugged and unplugged many times, the poor contact between the shielding sheet and the shielding shell, the average grounding effect, the unstable high-frequency performance of the product, affecting the signal transmission of the product, and the average product quality.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A structurally reinforced Type-C connector comprises an insulating body, a terminal, an integrated shielding sheet and a shielding shell; the insulating body comprises a base and a tongue extending from the base, and a convex rib is arranged at the front end of the base; there are multiple terminals, and the multiple terminals are all arranged on the insulating body, and the contact parts of the multiple terminals are respectively exposed on the two surfaces of the tongue plate, and the welding parts of the multiple terminals are all extended out of the base; the integrated shielding sheet is sleeved on the rear end of the tongue plate, and the integrated shielding sheet is arranged outside the convex rib and abuts against the convex rib; the shielding shell is covered on the insulating body and the integrated shielding sheet, and the shielding shell is fixedly connected to the integrated shielding sheet by spot welding and a plurality of welding spots are formed on the surface of the shielding shell.

[0007] As a preferred solution, positioning grooves are provided on the upper and lower surfaces of the front end of the base, and the above-mentioned convex ribs are provided in the positioning grooves. The one-piece shielding sheet includes a main body and two positioning parts extending outward from the main body. The main body is sleeved on the rear end of the tongue plate, and the two positioning parts are respectively provided in the corresponding positioning grooves and abut against the corresponding convex ribs. The shielding shell is fixedly connected to the two positioning parts by spot welding and a plurality of welding points are formed on the surface of the shielding shell, which effectively enhances the stability of the connection structure and improves the quality of the product.

[0008] As a preferred solution, the multiple terminal heads are bent and extended inward and buried in the insulating body, which can solve the high-frequency crosstalk problem of the terminal head with a Z-shaped structure, and can also solve the problem that the terminal with a flattened terminal head structure is prone to warping.

[0009] As a preferred solution, a glue dispensing groove is opened 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 welding parts of multiple terminals all pass through the glue dispensing groove and extend out of the base. Multiple terminals are all inlaid and fixed with the waterproof part, which can effectively enhance the waterproof performance of the product.

[0010] As a preferred embodiment, the insulating body includes a lower insulating part, an upper insulating part and an outer insulating part, the upper insulating part and the lower insulating part are overlapped together, and the outer insulating part is fixed together with the front end of the lower insulating part and the front end of the upper insulating part by inlay molding; the multiple terminals include multiple lower terminals and multiple upper terminals, the multiple lower terminals are inlay-molded and fixed on the lower insulating part, each lower terminal includes a lower contact part, a lower fixing part and a lower welding part that are integrally connected in sequence, the lower contact part is exposed on the lower surface of the outer insulating part, the lower fixing part is buried in the lower insulating part, and the lower welding part extends backward from the lower insulating part; the multiple upper terminals are inlay-molded and fixed on the upper insulating part, each upper terminal includes an upper contact part, an upper fixing part and an upper welding part that are integrally connected in sequence, the upper contact part is exposed on the upper surface of the outer insulating part, the upper fixing part is buried in the upper insulating part, and the upper welding part extends backward from the upper insulating part.

[0011] As a preferred solution, a middle clip is further provided. The middle clip is clamped between the lower insulating member and the upper insulating member and is located between the plurality of lower terminals and the plurality of upper terminals, effectively enhancing the electromagnetic shielding effect of the product.

[0012] As a preferred solution, positioning holes are provided on the left and right sides of the lower insulating member, and positioning posts are provided on the left and right sides of the upper insulating member. The two positioning posts are respectively arranged in the corresponding positioning holes for cooperation and fixation, effectively enhancing the stability of the connection structure between the upper insulating member and the lower insulating member.

[0013] As a preferred solution, the integrated shielding sheet is a structure formed by one-piece stretching, and the shielding effect is better.

[0014] As a preferred solution, a fixing member is fixedly provided on the shielding housing, which is beneficial to fixing the connector on the circuit board, with simple operation, convenience and speed.

[0015] As a preferred solution, the fixing member is provided with a plurality of fixing feet for cooperating with an external circuit board for fixation.

[0016] Compared with the prior art, the present utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solutions:

[0017] By providing a rib at the front end of the base, sleeving the integrated shielding sheet on the rear end of the tongue plate, arranging the integrated shielding sheet outside the rib and abutting against the rib, covering the shielding housing outside the insulating body and the integrated shielding sheet, and fixedly connecting the shielding housing to the integrated shielding sheet by spot welding and forming a plurality of solder joints on the surface of the shielding housing, the integrated shielding sheet provided in the Type-C connector with this structure can effectively enhance the strength of the tongue plate, and the overall strength of the product can be enhanced by cooperating with the spot welding structure of the shielding housing, enhancing the stability of the structure. Even if the number of plugging and unplugging operations of the product is increased, the insulating body and the shielding sheet will not slide relative to the shielding housing; and, through the setting of the rib, the integrated shielding sheet can better fit with the shielding housing, so that the integrated shielding sheet contacts the shielding housing better, enhancing the grounding effect of the product, making the high-frequency performance of the product more stable, improving the signal transmission quality of the product, greatly improving the quality of the product, and meeting the existing requirements.

[0018] To more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of a preferred embodiment of the present utility model;

[0020] Figure 2 is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the present utility model;

[0021] Figure 3 is a partial structural schematic diagram of a preferred embodiment of the present utility model;

[0022] Figure 4 is another partial structural schematic diagram of a preferred embodiment of the present utility model;

[0023] Figure 5 is an exploded view of a preferred embodiment of the present utility model;

[0024] Figure 6 is an exploded view of another angle of a preferred embodiment of the present utility model.

[0025] Description of the reference numerals in the drawings:

[0026] 10. Insulating body 11. Base

[0027] 111. Positioning groove 112. Glue dispensing groove

[0028] 12. Tongue plate 13. Lower insulating part

[0029] 131. Positioning hole 14. Upper insulating part

[0030] 141. Positioning post 15. Outer insulating part

[0031] 151. Glue sealing surface 101. Rib

[0032] 20. Terminal 21. Lower terminal

[0033] 211. Lower contact part 212. Lower fixing part

[0034] 213. Lower welding part 22. Upper terminal

[0035] 221. Upper contact part 222. Upper fixing part

[0036] 223. Upper welding part 30. Integrated shielding sheet

[0037] 31. Main body 32. Positioning part

[0038] 40. Shielding housing 41. Solder joint

[0039] 50. Waterproof part 60. Middle clamping piece

[0040] 70. Fixing part 71. Fixing foot. Detailed implementation manners

[0041] Please refer to Figures 1 to 6 as shown, which shows the specific structure of a preferred embodiment of the present utility model, including an insulating body 10, a terminal 20, an integrated shielding sheet 30, and a shielding housing 40.

[0042] The insulating body 10 includes a base 11 and a tongue plate 12 extending from the base 11. A rib 101 is provided at the front end of the base 11; in this embodiment, positioning grooves 111 are provided on the upper and lower surfaces at the front end of the base 11, and the above-mentioned rib 101 is arranged in the positioning grooves 111; a glue dispensing groove 112 is formed on the outer side surface at the rear end of the base 11, and the glue dispensing groove 112 is filled with waterproof glue to form a waterproof member 50; the insulating body 10 includes a lower insulating member 13, an upper insulating member 14 and an outer insulating member 15. The upper insulating member 14 and the lower insulating member 13 are stacked up and down, and the outer insulating member 15 is integrally formed and fixed with the front ends of the lower insulating member 13 and the upper insulating member 14 by inlaying; the rear end surface of the outer insulating member 15 is a glue sealing surface 151, and the glue sealing surface 151 is a planar structure. The outer insulating member 15 is arranged on the front side of the waterproof member 50. Compared with the structure in which the outer insulating member 15 is inserted into the waterproof member 50, the glue sealing structure of this product is simple, and it can avoid the problem that the glue runs into the glue dispensing groove 112 during the secondary injection molding, resulting in poor airtightness of the waterproof member 50; positioning holes 131 are provided on the left and right sides of the lower insulating member 13, and positioning posts 141 are provided on the left and right sides of the upper insulating member 14. The two positioning posts 141 are respectively arranged in the corresponding positioning holes 131 for cooperation and fixation, effectively enhancing the stability of the connection structure between the upper insulating member 14 and the lower insulating member 13.

[0043] There are multiple terminals 20, and the multiple terminals 20 are all arranged on the insulating body 10. The contact parts of the multiple terminals 20 are respectively exposed on the two surfaces of the tongue plate 12, and the welding parts of the multiple terminals 20 are all extended out of the base 11; in the present embodiment, the heads of the multiple terminals 20 are bent inward and extended and buried in the insulating body 10, which can solve the high-frequency crosstalk problem of the terminal head with a Z-shaped structure, and can also solve the problem that the terminal with a flattened terminal head is easy to warp; the welding parts of the multiple terminals 20 all extend out of the base 11 through the glue dispensing groove 112, and the multiple terminals 20 are all fixed together with the waterproof part 50 by inlay molding; the multiple terminals 20 include multiple lower terminals 21 and multiple upper terminals 22, and the multiple lower terminals 21 are inlay-molded and fixed on the lower insulating part 13, and each lower terminal 21 includes lower contacts that are connected in sequence by integral molding. The lower contact portion 211, the lower fixing portion 212 and the lower welding portion 213, the lower contact portion 211 is exposed on the lower surface of the outer insulating member 15, the lower fixing portion 212 is buried in the lower insulating member 13, and the lower welding portion 213 extends backward from the lower insulating member 13; the multiple upper terminals 22 are fixed on the upper insulating member 14 by inlay molding, and each upper terminal 22 includes an upper contact portion 221, an upper fixing portion 222 and an upper welding portion 223 which are integrally molded and connected in sequence, the upper contact portion 221 is exposed on the upper surface of the outer insulating member 15, the upper fixing portion 222 is buried in the upper insulating member 14, and the upper welding portion 223 extends backward from the upper insulating member 14; a middle clip 60 is further provided, the middle clip 60 is clamped between the lower insulating member 13 and the upper insulating member 14 and is located between the multiple lower terminals 21 and the multiple upper terminals 22, effectively enhancing the electromagnetic shielding effect of the product.

[0044] The integrated shielding sheet 30 is sleeved on the rear end of the tongue plate 12, and the integrated shielding sheet 30 is arranged outside the convex rib 101 and abuts against the convex rib 101; in the present embodiment, the integrated shielding sheet 30 includes a main body 31 and two positioning parts 32 extending outward from the main body 31, and the main body 31 is sleeved on the rear end of the tongue plate 12, and the two positioning parts 32 are respectively arranged in the corresponding positioning grooves 111 and abut against the corresponding convex rib 101; the integrated shielding sheet 30 is an integrally stretched structure, and the shielding effect is better.

[0045] The shielding shell 40 is covered over the insulating body 10 and the integrated shielding sheet 30, and the shielding shell 40 is fixedly connected to the integrated shielding sheet 30 by spot welding and a plurality of welding spots 41 are formed on the surface of the shielding shell 40; in the present embodiment, the shielding shell 40 is fixedly connected to the two positioning parts 32 by spot welding and a plurality of welding spots 41 are formed on the surface of the shielding shell 40; the shielding shell 40 is an iron shell; a fixing part 70 is fixedly provided on the shielding shell 40, which is conducive to fixing the connector on the circuit board, and the operation is simple, convenient and quick; the fixing part 70 is provided with a plurality of fixing feet 71 for cooperating with the external circuit board for fixing.

[0046] The manufacturing and assembly process of this embodiment is described in detail as follows:

[0047] First, a plurality of lower terminals 21 and a plurality of upper terminals 22 are stamped and formed; then, the lower terminals 21 are placed in a mold to injection-mold the lower insulating member 13, and the upper terminals 22 are placed in another mold to injection-mold the upper insulating member 14; then, the heads of the plurality of terminals 20 are bent inward, and then the upper insulating member 14 and the lower insulating member 13 are stacked up and down, and the middle clip 60 is clamped between the lower insulating member 13 and the upper insulating member 14, and the two positioning posts 141 are respectively inserted into the corresponding positioning holes 131 for fitting and fixing; then, the lower insulating member 13, the middle clip 60 and the upper insulating member 14 are placed in another mold to injection-mold the outer insulating member 15; then, the main body 31 of the integrated shielding sheet 30 is sleeved on the rear end of the tongue plate 12, the two positioning portions 32 are respectively arranged in the corresponding positioning grooves 111 and abutted against the corresponding ribbed strips 101, and then the shielding housing 40 is wrapped outside the insulating body 10 and the integrated shielding sheet 30 and spot-welded, so that a plurality of welding points 41 are formed on the surface of the shielding housing 40; finally, a waterproof glue is filled in the glue injection groove 112 to form a waterproof member 50, and the fixing member 70 is installed on the shielding housing 40.

[0048] The design focus of the present utility model lies in:

[0049] By providing ribbed strips at the front end of the base, sleeving the integrated shielding sheet on the rear end of the tongue plate, arranging the integrated shielding sheet outside the ribbed strips and abutting against the ribbed strips, wrapping the shielding housing outside the insulating body and the integrated shielding sheet, the shielding housing is fixedly connected with the integrated shielding sheet by spot welding and a plurality of welding points are formed on the surface of the shielding housing. The integrated shielding sheet provided by the Type-C connector with this structure can effectively enhance the strength of the tongue plate. The spot welding structure of the shielding housing is cooperatively arranged to enhance the overall strength of the product and the stability of the structure. Even if the number of plugging and unplugging times of the product is increased, the insulating body and the shielding sheet will not slide relative to the shielding housing; and, through the arrangement of the ribbed strips, the integrated shielding sheet and the shielding housing are better fitted, so that the integrated shielding sheet and the shielding housing are in better contact, enhancing the grounding effect of the product, making the high-frequency performance of the product more stable, improving the signal transmission quality of the product, greatly improving the quality of the product, and meeting the existing requirements.

[0050] The above is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiment according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A structure-reinforced Type-C connector, characterized in that: It includes an insulating body, terminals, an integrated shielding sheet and a shielding shell; the insulating body includes a base and a tongue plate extending from the base, and a rib is provided at the front end of the base; 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, and the welding parts of the multiple terminals all extend out of the base; the integrated shielding sheet is sleeved on the rear end of the tongue plate, and the integrated shielding sheet is arranged outside the rib and abuts against the rib; the shielding shell covers the insulating body and the integrated shielding sheet, and the shielding shell is fixedly connected to the integrated shielding sheet by spot welding and a plurality of solder joints are formed on the surface of the shielding shell.

2. The structure-reinforced Type-C connector according to claim 1, wherein: Positioning grooves are provided on the upper and lower surfaces at the front end of the base, and the above-mentioned rib is arranged in the positioning grooves. The integrated shielding sheet includes a main body and two positioning parts extending outward from the main body. The main body is sleeved on the rear end of the tongue plate, and the two positioning parts are respectively arranged in the corresponding positioning grooves and abut against the corresponding ribs. The shielding shell is fixedly connected to the two positioning parts by spot welding and a plurality of solder joints are formed on the surface of the shielding shell.

3. The structure-reinforced Type-C connector according to claim 1, wherein: The heads of the multiple terminals are bent and extended inward and buried in the insulating body.

4. The structure-reinforced Type-C connector according to claim 1, wherein: A glue application groove is opened on the outer side surface at the rear end of the base, and the glue application groove is filled with waterproof glue to form a waterproof part. The welding parts of the multiple terminals all pass through the glue application groove and extend out of the base, and the multiple terminals are all fixedly integrated with the waterproof part by inlay molding.

5. The structure-reinforced Type-C connector according to claim 1, wherein: The insulating body includes a lower insulating part, an upper insulating part and an outer insulating part. The upper insulating part and the lower insulating part are stacked up and down, and the outer insulating part is fixedly integrated with the front end of the lower insulating part and the front end of the upper insulating part by inlay molding; the multiple terminals include multiple lower terminals and multiple upper terminals. The multiple lower terminals are fixedly integrated on the lower insulating part. Each lower terminal includes a lower contact part, a lower fixing part and a lower welding part which are integrally formed in sequence. The lower contact part is exposed on the lower surface of the outer insulating part, the lower fixing part is buried in the lower insulating part, and the lower welding part extends backward out of the lower insulating part; the multiple upper terminals are fixedly integrated on the upper insulating part. Each upper terminal includes an upper contact part, an upper fixing part and an upper welding part which are integrally formed in sequence. The upper contact part is exposed on the upper surface of the outer insulating part, the upper fixing part is buried in the upper insulating part, and the upper welding part extends backward out of the upper insulating part.

6. The structure-reinforced Type-C connector according to claim 5, wherein: A middle clip is further provided, and the middle clip is clamped between the lower insulating part and the upper insulating part and is located between the multiple lower terminals and the multiple upper terminals.

7. The structure-reinforced Type-C connector according to claim 5, wherein: Positioning holes are provided on the left and right sides of the lower insulating part, and positioning posts are provided on the left and right sides of the upper insulating part. The two positioning posts are respectively arranged in the corresponding positioning holes for matching and fixing.

8. The structure-reinforced Type-C connector according to claim 1, wherein: The integrated shielding sheet is a structure formed by one-piece stretching.

9. The structure-reinforced Type-C connector according to claim 1, characterized in that: A fixing part is fixedly arranged on the shielding shell.

10. The structure-reinforced Type-C connector according to claim 9, wherein: The fixing part is provided with a plurality of fixing feet for cooperating with an external circuit board for fixing.

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