Structure-reinforced Type-C connector

Abstract

The utility model discloses a structure-reinforced Type-C connector, which comprises an insulating body, a plurality of lower terminals, a plurality of upper terminals, a middle clamping piece and a shielding shell, the lower terminals located on the left side edge and the right side edge in the multiple lower terminals are arranged as lower grounding terminals, the lower grounding terminals extend outwards to form lower piercing elastic pieces, the upper terminals located on the left side edge and the right side edge in the multiple upper terminals are arranged as upper grounding terminals, the upper grounding terminals extend outwards to form upper piercing elastic pieces, and through holes are formed in the left side and the right side of the middle clamping piece in a matched mode. According to the Type-C connector, the reliability of the contact structure of the lower grounding terminal, the upper grounding terminal and the middle clamping piece can be effectively enhanced, the stability of the connection structure is enhanced, after a product is subjected to reflow soldering, contact points cannot be disconnected, the defective product rate is reduced, and the product quality is improved. The shielding function of the product is ensured and the product quality is improved; the cost is effectively reduced, the product is more competitive, and the existing requirements are met.

Description

Technical Field

[0001] The utility model relates to the technology in the field of Type-C connectors, and in particular to a structurally reinforced Type-C connector. 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 includes an insulating body, multiple lower terminals, multiple upper terminals, a middle clip and a shielding shell. The multiple lower terminals and multiple upper terminals are arranged in the insulating body, the middle clip is arranged between the multiple lower terminals and multiple upper terminals and buried in the insulating body, the shielding shell is covered outside the insulating body, the upper puncture spring of the upper grounding terminal and the lower puncture spring of the lower grounding terminal are directly placed on the upper and lower surfaces of the middle clip and connected to the middle clip. After the product is reflowed, the stress will be released. The contact point in the surface contact structure of the connector is easy to disconnect, the defective rate is high, the connection structure is not stable enough, the shielding function of the product is affected, the product quality is poor, and it brings inconvenience to production; some Type-C connectors contact the upper grounding terminal and the lower grounding terminal with the middle clip by spot welding, but the cost is high, the product is not very competitive, and it cannot meet the existing needs. Therefore, it is necessary to study a new technical solution 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 structurally reinforced Type-C connector, which can effectively solve the problem that the upper piercing spring of the upper grounding terminal and the lower piercing spring of the lower grounding terminal of the existing Type-C connector are directly placed on the upper and lower surfaces of the middle clip and connected to the middle clip, the stress will be released after the product is reflowed, the contact point is easily disconnected, the defective rate is high, the connection structure is not stable enough, the shielding function of the product is affected, and the product quality is poor. It can also solve the problem that some Type-C connectors use spot welding to contact the upper grounding terminal and the lower grounding terminal with the middle clip, which is costly and the product is not very competitive.

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

[0006] A structurally reinforced Type-C connector, comprising an insulating body, a plurality of lower terminals, a plurality of upper terminals, a middle clip and a shielding shell; the insulating body comprises a base and a tongue extending from the base; the plurality of lower terminals are arranged on the insulating body, the contact portions of the plurality of lower terminals are all exposed on the lower surface of the tongue, the welding portions of the plurality of lower terminals are all extended out of the base, and the plurality of lower terminals located on the left and right sides are lower grounding terminals; the plurality of upper terminals are arranged on the insulating body, the contact portions of the plurality of upper terminals are all exposed On the upper surface of the tongue plate, the welding parts of multiple upper terminals all extend out of the base, and the upper terminals located on the left and right sides are upper grounding terminals; the middle clip is arranged between the multiple lower terminals and the multiple upper terminals and buried in the insulating body; the shielding shell is covered outside the insulating body; the lower grounding terminal extends outward with a lower piercing spring sheet, and the upper grounding terminal extends outward with an upper piercing spring sheet, and through holes are arranged on the left and right sides of the middle clip, and the lower piercing spring sheet and the upper piercing spring sheet are arranged in the corresponding through holes and interfere with the corresponding through holes.

[0007] As a preferred solution, the insulating body comprises a lower insulating member, an upper insulating member and an outer insulating member; the upper insulating member and the lower insulating member are overlapped with each other, and the outer insulating member is fixed together with the front end of the lower insulating member and the front end of the upper insulating member by being inlaid and molded;

[0008] The multiple lower terminals are fixed on the lower insulating member by insert molding, and each lower terminal includes a lower contact portion, a lower fixing portion and a lower welding portion which are integrally molded and connected in sequence, the lower contact portion is exposed on the lower surface of the outer insulating member, the lower fixing portion is buried in the lower insulating member, and the lower welding portion extends backward from the lower insulating member;

[0009] The plurality of upper terminals are fixed on the upper insulating member by insert molding, and each upper terminal comprises an upper contact portion, an upper fixing portion and an upper welding portion which are integrally molded and connected in sequence, the upper contact portion is exposed on the upper surface of the outer insulating member, the upper fixing portion is buried in the upper insulating member, and the upper welding portion extends backward from the upper insulating member;

[0010] The middle clamping piece is sandwiched between the lower insulating piece and the upper insulating piece.

[0011] As a preferred solution, positioning holes are provided on the left and right sides of the rear end of the upper insulating member, and positioning columns are provided on the left and right sides of the rear end of the lower insulating member. The two positioning columns are respectively arranged in the corresponding positioning holes and fixed in cooperation, which can effectively enhance the stability of the connection structure between the upper insulating member and the lower insulating member.

[0012] As a preferred solution, positioning grooves are provided on the left and right sides of the outer insulating member, the positioning grooves correspond to the positions of the through holes, and the lower piercing spring sheet and the upper piercing spring sheet pass through the corresponding positioning grooves.

[0013] As a preferred solution, the lower piercing spring piece and the upper piercing spring piece are arranged in corresponding through holes and are interference-fitted with the corresponding through holes by riveting. The riveting operation is simple, and the product structure obtained after riveting is stable and reliable.

[0014] As a preferred solution, the lower piercing spring piece and the upper piercing spring piece are arranged in close contact in the through hole, which can further enhance the stability of the structure.

[0015] 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 the multiple lower terminals and the multiple upper terminals all pass through the glue dispensing groove and extend out of the base. The multiple lower terminals and the multiple upper terminals are all inlaid and fixed with the waterproof part, so as to effectively realize the waterproof function of the product.

[0016] As a preferred solution, a waterproof ring is provided at the front end of the shielding shell to effectively realize the waterproof function of the product.

[0017] As a preferred solution, the shielding shell is provided with fixing parts for cooperating with external parts for fixing, which is conducive to better fixing the product and convenient and quick assembly.

[0018] As a preferred solution, a fixing hole is provided on the fixing piece, and a fixing column is protruded on the base. The fixing column is arranged in the fixing hole for cooperation and fixation, which can effectively enhance the stability of the connection structure between the fixing piece and the base.

[0019] 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:

[0020] By setting the lower grounding terminals on the left and right sides of the multiple lower terminals, extending the lower grounding terminals outward with lower piercing springs, setting the upper grounding terminals on the left and right sides of the multiple upper terminals, extending the upper grounding terminals outward with upper piercing springs, and through holes are set on the left and right sides of the middle clip, the lower piercing springs and the upper piercing springs are set in the corresponding through holes and interfere with the corresponding through holes. The Type-C connector with this structure can effectively enhance the reliability of the contact structure between the lower grounding terminal, the upper grounding terminal and the middle clip, and enhance the stability of the connection structure. After the product is reflowed, the contact point will not be disconnected, which greatly reduces the defective rate, ensures the shielding function of the product, improves the quality of the product, and brings convenience to production; effectively reduces costs, makes products more competitive, and meets existing needs.

[0021] 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

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0024] Figure 3 It is a partial structural schematic diagram of a preferred embodiment of the utility model;

[0025] Figure 4 It is another structural schematic diagram of a preferred embodiment of the utility model;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of a plurality of upper terminals in a preferred embodiment of the utility model;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of multiple lower terminals in a preferred embodiment of the utility model;

[0028] Figure 7 It is an exploded view of a preferred embodiment of the utility model.

[0029] Description of the accompanying drawings:

[0030] 10. Insulation body 11. Base

[0031] 111. Fixed column 12. Tongue plate

[0032] 13. Lower insulation 131. Positioning column

[0033] 14. Upper insulating member 141. Positioning hole

[0034] 15. External insulation 151. Positioning groove

[0035] 101, glue dispensing slot 20, lower terminal

[0036] 21. Lower ground terminal 211. Lower puncture spring

[0037] 22. Lower contact portion 23. Lower fixing portion

[0038] 24, lower welding part 30, upper terminal

[0039] 31. Upper ground terminal 311. Upper puncture spring

[0040] 32. Upper contact portion 33. Upper fixing portion

[0041] 34. Upper welding part 40. Middle clip

[0042] 41, through hole 50, shielding shell

[0043] 60. Waterproof parts 70. Waterproof ring

[0044] 80. Fixing piece 81. Fixing hole

[0045] 90. Stop piece. DETAILED DESCRIPTION

[0046] 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 plurality of lower terminals 20, a plurality of upper terminals 30, a middle clip 40 and a shielding shell 50.

[0047] The insulating body 10 includes a base 11 and a tongue plate 12 extending from the base 11; in this embodiment, 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 overlapped together, and the outer insulating member 15 is fixed together with the front end of the lower insulating member 13 and the front end of the upper insulating member 14 by being inlaid and molded; the left and right sides of the rear end of the upper insulating member 14 are provided with positioning holes 141, and the left and right sides of the rear end of the lower insulating member 13 are provided with positioning posts 131, and the two positioning posts 131 are respectively provided in the corresponding positioning holes 14 1 can effectively enhance the stability of the connection structure between the upper insulating member 14 and the lower insulating member 13; 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 member 60, and the welding parts of the multiple lower terminals 20 and the multiple upper terminals 30 all extend out of the base 11 through the glue dispensing groove 101, and the multiple lower terminals 20 and the multiple upper terminals 30 are all inlaid and fixed with the waterproof member 60, effectively realizing the waterproof function of the product; a fixing column 111 is convexly provided on the base 11; and positioning grooves 151 are provided on the left and right sides of the external insulating member 15.

[0048] The multiple lower terminals 20 are arranged on the insulating body 10, and the contact portions of the multiple lower terminals 20 are all exposed on the lower surface of the tongue plate 12, and the welding portions of the multiple lower terminals 20 are all extended out of the base 11. The lower grounding terminals 21 are located on the left and right sides of the multiple lower terminals 20, and the lower grounding terminals 21 extend outwardly with lower piercing springs 211; in the present embodiment, the multiple lower terminals 20 are fixed on the lower insulating member 13 by inlay molding, and each lower terminal 20 includes a lower contact portion 22, a lower fixing portion 23 and a lower welding portion 24 which are integrally molded and connected in sequence, the lower contact portion 22 is exposed on the lower surface of the outer insulating member 15, the lower fixing portion 23 is buried in the lower insulating member 13, and the lower welding portion 24 extends backward from the lower insulating member 13.

[0049] The multiple upper terminals 30 are arranged on the insulating body 10, and the contact portions of the multiple upper terminals 30 are all exposed on the upper surface of the tongue plate 12, and the welding portions of the multiple upper terminals 30 are all extended out of the base 11. The upper grounding terminals 31 are located on the left and right sides of the multiple upper terminals 30, and the upper grounding terminals 31 extend outwardly with upper piercing spring pieces 311; in the present embodiment, the multiple upper terminals 30 are fixed on the upper insulating member 14 by inlay molding, and each upper terminal 30 includes an upper contact portion 32, an upper fixing portion 33 and an upper welding portion 34 which are integrally molded and connected in sequence, the upper contact portion 32 is exposed on the upper surface of the outer insulating member 15, the upper fixing portion 33 is buried in the upper insulating member 14, and the upper welding portion 34 extends backward from the upper insulating member 14.

[0050] The middle clip 40 is arranged between the plurality of lower terminals 20 and the plurality of upper terminals 30 and buried in the insulating body 10. Through holes 41 are arranged on both sides of the middle clip 40. The lower piercing spring piece 211 and the upper piercing spring piece 311 are arranged in the corresponding through holes 41 and interfere with the corresponding through holes 41. In the present embodiment, the middle clip 40 is arranged between the lower insulating member 13 and the upper insulating member 14. The lower piercing spring piece 211 and the upper piercing spring piece 311 are arranged in the corresponding through holes 41 and interfere with the corresponding through holes 41 through riveting. The riveting operation is simple, and the product structure obtained after riveting is Stable and reliable; the lower piercing spring piece 211 and the upper piercing spring piece 311 are fitted in the through hole 41, which can further enhance the stability of the structure; the through hole 41 corresponds to the position of the positioning groove 151, and the lower piercing spring piece 211 and the upper piercing spring piece 311 pass through the corresponding positioning groove 151. When the outer insulating part 15 is injection molded, the mold workpiece presses the lower piercing spring piece 211 and the upper piercing spring piece 311 for injection molding to prevent excessive pressure from causing the contact point between the lower piercing spring piece 211 and the upper piercing spring piece 311 and the through hole 41 to be opened, so that the structure of the product is more stable and the quality of the product is improved.

[0051] The shielding shell 50 is covered on the outside of the insulating body 10; in the present embodiment, a waterproof ring 70 is provided at the front end of the shielding shell 50 to effectively realize the waterproof function of the product; a fixing part 80 for cooperating and fixing with external parts is provided on the shielding shell 50, which is conducive to better fixing the product and convenient and quick assembly; a fixing hole 81 is opened on the fixing part 80, and the fixing column 111 is arranged in the fixing hole 81 for cooperating and fixing, which can effectively enhance the stability of the connection structure between the fixing part 80 and the base 11; specifically, there are two fixing holes 81 and two fixing columns 111; a stopper 90 is provided on the shielding shell 50.

[0052] The manufacturing and assembly process of this embodiment is described in detail as follows:

[0053] First, the middle clip 40, the shielding shell 50, the waterproof ring 70, the fixing part 80, the stopper 90, the multiple lower terminals 20 and the multiple upper terminals 30 are formed; then, the multiple lower terminals 20 are placed in a mold for injection molding to form a lower insulating part 13, and the multiple upper terminals 30 are placed in another mold for injection molding to form an upper insulating part 14; then, the upper insulating part 14 and the lower insulating part 13 are overlapped up and down and the middle clip 40 is sandwiched between the upper insulating part 14 and the lower insulating part 13, and they are placed in a riveting mold together for riveting, so that the lower puncture spring piece 211 and the upper piercing spring sheet 311 are pressed into the corresponding through hole 41 and interfere with the corresponding through hole 41 to form a semi-finished product; then, the semi-finished product is placed in another mold, and the outer insulating part 15 is injection molded to cover the shielding shell 50 on the outside of the insulating body 10; then, the waterproof glue is filled in the glue dispensing groove 101 to form a waterproof part 60; finally, the waterproof ring 70 is sleeved on the front end of the shielding shell 50, the fixing part 80 and the stopper 90 are installed on the shielding shell 50, and the fixing column 111 is inserted into the fixing hole 81 to fit and fix it.

[0054] The design focus of this utility model is:

[0055] By setting the lower grounding terminals on the left and right sides of the multiple lower terminals, extending the lower grounding terminals outward with lower piercing springs, setting the upper grounding terminals on the left and right sides of the multiple upper terminals, extending the upper grounding terminals outward with upper piercing springs, and through holes are set on the left and right sides of the middle clip, the lower piercing springs and the upper piercing springs are set in the corresponding through holes and interfere with the corresponding through holes. The Type-C connector with this structure can effectively enhance the reliability of the contact structure between the lower grounding terminal, the upper grounding terminal and the middle clip, and enhance the stability of the connection structure. After the product is reflowed, the contact point will not be disconnected, which greatly reduces the defective rate, ensures the shielding function of the product, improves the quality of the product, and brings convenience to production; effectively reduces costs, makes products more competitive, and meets existing needs.

[0056] 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 structurally reinforced Type-C connector, comprising an insulating body, a plurality of lower terminals, a plurality of upper terminals, a middle clip and a shielding shell; the insulating body comprises a base and a tongue plate extending from the base; the plurality of lower terminals are arranged on the insulating body, the contact portions of the plurality of lower terminals are all exposed on the lower surface of the tongue plate, the welding portions of the plurality of lower terminals are all extended out of the base, the plurality of lower terminals located on the left and right sides are lower grounding terminals, and the lower grounding terminals extend outwardly with lower piercing springs; the plurality of upper terminals are arranged on the insulating body, the contact portions of the plurality of upper terminals are all exposed on the upper surface of the tongue plate, the welding portions of the plurality of upper terminals are all extended out of the base, the plurality of upper terminals located on the left and right sides are upper grounding terminals, and the upper grounding terminals extend outwardly with upper piercing springs; the middle clip is arranged between the plurality of lower terminals and the plurality of upper terminals and buried in the insulating body; the shielding shell is covered outside the insulating body; it is characterized in that: The left and right sides of the middle clip are both provided with through holes, and the lower piercing spring piece and the upper piercing spring piece are arranged in the corresponding through holes and are interference-matched with the corresponding through holes.

2. The structurally reinforced Type-C connector according to claim 1, characterized in that: The insulating body comprises a lower insulating member, an upper insulating member and an outer insulating member; the upper insulating member and the lower insulating member are stacked together, and the outer insulating member is fixed together with the front end of the lower insulating member and the front end of the upper insulating member by being inlaid and molded; The multiple lower terminals are fixed on the lower insulating member by insert molding, and each lower terminal includes a lower contact portion, a lower fixing portion and a lower welding portion which are integrally molded and connected in sequence, the lower contact portion is exposed on the lower surface of the outer insulating member, the lower fixing portion is buried in the lower insulating member, and the lower welding portion extends backward from the lower insulating member; The plurality of upper terminals are fixed on the upper insulating member by insert molding, and each upper terminal comprises an upper contact portion, an upper fixing portion and an upper welding portion which are integrally molded and connected in sequence, the upper contact portion is exposed on the upper surface of the outer insulating member, the upper fixing portion is buried in the upper insulating member, and the upper welding portion extends backward from the upper insulating member; The middle clamping piece is sandwiched between the lower insulating piece and the upper insulating piece.

3. The structurally reinforced Type-C connector according to claim 2, characterized in that: Positioning holes are arranged on the left and right sides of the rear end of the upper insulating member, and positioning posts are arranged on the left and right sides of the rear end of the lower insulating member. The two positioning posts are respectively arranged in the corresponding positioning holes for matching and fixing.

4. The structurally reinforced Type-C connector according to claim 2, characterized in that: Positioning grooves are arranged on the left and right sides of the outer insulating member, and the positioning grooves correspond to the positions of the through holes. The lower piercing spring sheet and the upper piercing spring sheet pass through the corresponding positioning grooves.

5. The structurally reinforced Type-C connector according to claim 1, characterized in that: The lower piercing spring piece and the upper piercing spring piece are arranged in the corresponding through holes and are interference-fitted with the corresponding through holes by riveting.

6. The structurally reinforced Type-C connector according to claim 1, characterized in that: The lower piercing spring piece and the upper piercing spring piece are fitted in the through hole.

7. The structurally reinforced Type-C connector 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 part. The welding parts of the multiple lower terminals and the multiple upper terminals all pass through the glue dispensing groove and extend out of the base. The multiple lower terminals and the multiple upper terminals are all inlaid and fixed with the waterproof part.

8. The structurally reinforced Type-C connector according to claim 1, characterized in that: A waterproof ring is arranged at the front end of the shielding shell.

9. The structurally reinforced Type-C connector according to claim 1, characterized in that: The shielding shell is provided with a fixing piece for cooperating and fixing with external parts.

10. The structurally reinforced Type-C connector according to claim 9, characterized in that: The fixing piece is provided with a fixing hole, and the base is provided with a fixing column protruding therefrom, and the fixing column is arranged in the fixing hole to cooperate and fix therein.

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