Upright waterproof TYPE-C connector

By injection molding a plastic base on the outside of the metal shell of the Type-C connector and then filling it with sealant, the problem of poor waterproof performance caused by the gap between the metal shell and the plastic body was solved, achieving efficient sealing and structural stability.

CN223638677UActive Publication Date: 2025-12-05DONGGUAN YUQIU ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422947767.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing Type-C connectors have a gap between the metal shell and the plastic body, resulting in poor waterproof performance.

Method used

A plastic base is injection molded on the outside of the metal casing, and a sealant block is poured into a groove formed between its lower end and the insulating base and terminal module to cover the gap and achieve a seal. The sealant block is added to wrap the pins, and multiple structural designs are combined to ensure a tight fit and waterproof performance.

Benefits of technology

The connector's waterproof performance has been improved, ensuring structural stability and sealing, and enhancing the sealing effect between the metal shell and the insulating base to prevent water leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vertical waterproof TYPE-C connector, which comprises a middle metal sheet, an upper terminal module and a lower terminal module which are clamped and fixed at the upper end and the lower end of the middle metal sheet, an insulating seat which is integrally formed outside the upper terminal module and the lower terminal module in an injection molding manner, and a metal shell which is sleeved on the insulating seat, a plastic seat is further formed outside the metal shell in an injection molding mode, the lower end of the plastic seat further protrudes out of the metal shell and the lower end of the insulating seat, and a groove is formed between the inner wall of the lower end of the plastic seat and the lower end face of the insulating seat or between the insulating seat and the lower end faces of the upper terminal module and the lower terminal module. The groove is filled with waterproof glue to form a sealing glue block, the outer side of the sealing glue block is attached and fixed to the inner wall of the lower end of the plastic seat, and the sealing glue block further covers the metal shell and the lower end of the insulating seat to block a gap between the metal shell and the insulating seat, so that the sealing purpose is achieved, and the waterproof performance is extremely high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to connector product technical field, especially direct waterproof type-C connector. BACKGROUND

[0002] Type-C is a hardware interface specification of universal serial bus (USB), and Type-C connector is a USB connector capable of realizing current and high-speed data transmission. The main functions of Type-C connector include providing data transmission, current input and output for mobile devices such as mobile phones and computers. Type-C connector is mainly applied to 3C and other terminal device products.

[0003] The utility model discloses a kind of direct type-c connector board end female head including metal shell, wiring terminal, plastic main body and EMI shell, wiring terminal, plastic main body and EMI shell are all set in metal shell, wiring terminal includes upper connecting terminal and lower connecting terminal, the rear end of upper connecting terminal is equipped with upper plastic seat, the rear end of lower connecting terminal is equipped with lower plastic seat, clamping piece is equipped between upper connecting terminal and lower connecting terminal, three positioning columns are equipped on lower plastic seat, and three positioning columns are arranged in triangular shape, three insertion slots corresponding to three positioning columns are equipped on upper plastic seat, three through holes corresponding to three positioning columns are equipped on clamping piece, at least two of three insertion slots are square, at least two of three through holes are square, wiring terminal is set in plastic main body, EMI shell is sleeved plastic main body outside.

[0004] The metal shell is wrapped outside the plastic main body, the butt joint seam on both sides of the metal shell is fixed by dovetail groove and dovetail convex part, so that the metal shell is stably wrapped outside the plastic main body, but there is a gap between the inner wall of the metal shell and the outer wall of the plastic main body, which has the risk of water entering or seeping, resulting in poor waterproof performance.

[0005] Therefore, the present inventors propose the following technical solutions. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the shortcomings of prior art, and provides a direct waterproof type-C connector.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: the vertical waterproof type-C connector, it includes the metal sheet, the upper terminal module and the lower terminal module of clamping fixed in the upper and lower ends of the metal sheet, the insulating seat of integrally injection moulding in the outside of the upper terminal module and the lower terminal module, the metal shell of setting on the insulating seat, the plastic seat of injection moulding in the outside of the metal shell, the lower end of the plastic seat still protrudes from the lower end of the metal shell and the insulating seat, and the lower end inner wall of the plastic seat and the lower end face of the insulating seat or the lower end face between the insulating seat and the upper terminal module and the lower terminal module form a recess, and the recess is still filled with waterproof glue to form a sealing rubber block, the sealing rubber block is fixed with the lower end inner wall of the plastic seat on the outside, and the sealing rubber block also covers the lower end of the metal shell and the insulating seat to block the gap between the metal shell and the insulating seat.

[0008] Further, in the above technical solution, the lower end of the metal shell is further provided with a pin, and the plastic seat is formed with a protrusion corresponding to the position of the pin, and the protrusion is wrapped and fixed around the periphery of the pin.

[0009] Further, in the above technical solution, the lower end of the protrusion protrudes outward from the lower end face of the plastic seat, the upper pin of the upper terminal in the upper terminal module and the lower pin of the lower terminal in the lower terminal module both protrude outward from the insulating seat, and the sealing rubber block also wraps the upper end of the upper pin and the lower pin, and the lower end of the upper pin and the lower pin is exposed outside the sealing rubber block.

[0010] Further, in the above technical solution, the lower end of the insulating seat is provided with a stepped groove, the lower end of the upper terminal module and the lower terminal module is provided with a recess corresponding to the stepped groove, and the metal shell is provided with a hole corresponding to the stepped groove, the plastic seat is formed with a connecting part and a boss corresponding to the hole and the stepped groove, the connecting part is arranged in and fixed in the hole, and the boss is assembled with the stepped groove and the recess to tightly fit the insulating seat with the plastic seat, the metal shell, the lower end of the upper terminal module and the lower terminal module without gap.

[0011] Further, in the above technical solution, the lower end face of the upper terminal module and the lower terminal module is provided as a plane, and the lower end face of the upper terminal module and the lower terminal module is provided with an R angle on the outer edge; a sunken groove is further formed around the recess, and the inner wall of the sunken groove is connected with the R angle.

[0012] Further, in the above technical solution, the lower end face of the upper terminal module and the lower terminal module is further formed with a downward protruding protrusion, and the sealing rubber block also covers the protrusion to form a buckle groove on the sealing rubber block to buckle and position with the protrusion.

[0013] Further, in the technical scheme, the lower end of the metal shell is further provided with a buckling foot which is fixed with a part of the convex strip by riveting and is covered by a sealing rubber block.

[0014] Further, in the technical scheme, the inner side of the buckling foot is provided with a bending groove for facilitating bending.

[0015] Further, in the technical scheme, the outer side of the upper end of the plastic seat is further provided with a ring groove in which a sealing ring is fixedly sleeved, the sealing ring is provided with at least one outwardly protruding sealing protrusion, and the outer side of the sealing protrusion is arc-shaped.

[0016] Further, in the technical scheme, the metal shell and the upper end of the insulating seat are provided with an abutting groove, a T-shaped rubber plug is inserted and positioned in the abutting groove, the upper end surface of the rubber plug is provided with an adsorbing plane, the lower end of the rubber plug is provided with a tongue plate for accommodating the upper end of the insulating seat, and the lower end of the rubber plug is provided with a plurality of vertically distributed tensioning strips for being tensioned and positioned with the inner wall of the metal shell, and the lower end of the tensioning strip is provided with an inclined surface.

[0017] After the technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art: the utility model adds a plastic seat which is fixed to the outside of the metal shell by injection molding, has good adhesion, stable structure, and the plastic seat and the recess formed by the insulating seat, the upper terminal module and the lower end surface of the lower terminal module are further filled with waterproof glue to form a sealing rubber block, the outer side of the sealing rubber block is fixedly attached to the inner wall of the lower end of the plastic seat, covers the gap between the insulating seat, the upper terminal module and the lower terminal module, ensures the structural stability, and the sealing rubber block also covers the metal shell and the lower end of the insulating seat to block the gap between the metal shell and the insulating seat, thereby achieving the purpose of sealing and having strong waterproof performance. In addition, the sealing rubber block also wraps the upper end of the upper lead and the lower lead, and the lower end of the upper lead and the lower lead is exposed outside the sealing rubber block, thereby further improving the sealing performance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a perspective view of another angle of the utility model;

[0020] Figure 3 is a perspective exploded view of the utility model;

[0021] Figure 4 is a perspective view of the rubber plug used in the utility model;

[0022] Figure 5 is a sectional view of the utility model;

[0023] Figure 6 is a sectional view of the unformed sealing rubber block of the utility model;

[0024] Figure 7 is a perspective view of the unformed sealing rubber block of the utility model;

[0025] Figure 8 is a perspective view of the utility model after the rubber plug is loaded. DETAILED DESCRIPTION

[0026] The utility model is further illustrated below in combination with specific embodiments and drawings.

[0027] See Figures 1-8 As shown in the figure, it is a vertical waterproof TYPE-C connector, which comprises a middle metal sheet 1, an upper terminal module 2 and a lower terminal module 3 clamped and fixed on the upper and lower ends of the middle metal sheet 1, an insulating seat 4 integrally injection molded on the outside of the upper terminal module 2 and the lower terminal module 3, and a metal shell 5 sleeved on the insulating seat 4, the upper pin 211 of the upper terminal 21 in the upper terminal module 2 and the lower pin 311 of the lower terminal 31 in the lower terminal module 3 are both protruded outside the insulating seat 4, and the metal shell 5 and the upper end of the insulating seat 4 form a butt joint groove 50 for butt joint with a plug, wherein the upper terminal module 2 comprises an upper terminal 21 and an upper insulator 22 integrally injection molded on the upper terminal 21, the lower terminal module 3 comprises a lower terminal 31 and a lower insulator 32 integrally injection molded on the lower terminal 31, the lower insulator 32 and the upper insulator 22 are mutually butted and positioned, and the middle metal sheet 1 is clamped and fixed between the lower insulator 32 and the upper insulator 22, and the above structure is the conventional structure of the TYPE-C connector.

[0028] The utility model discloses mainly made the following improvement: the metal shell 5 outside still injection moulding has plastic seat 6, and the plastic seat 6 lower end still protrudes from the metal shell 5 and the insulating seat 4 lower end, and the plastic seat 6 lower end inner wall and the insulating seat 4 lower end or the insulating seat 4 and upper terminal module 2 and lower terminal module's lower end surface between form has a recess 60, and the recess 60 in still pours waterproof glue to form has sealing rubber block 7, and the sealing rubber block 7 outside and plastic seat 6 lower end inner wall are fixedly attached, and the sealing rubber block 7 still covers the metal shell 5 and the insulating seat 4 lower end, to block the gap between the metal shell 5 and the insulating seat 4.

[0029] The insulating seat 4 lower end outside is provided with step groove 41, the upper terminal module 2 and lower terminal module 3 lower end outside correspond with the recess 201 of step groove 41, and the metal shell 5 is provided with the hole site 52 corresponding with step groove 41, the plastic seat 6 is formed with the connecting portion 62 and the boss 63 respectively in the position corresponding with hole site 52 and step groove 41, the connecting portion 62 is worn and fixed in hole site 52, the boss 63 is fixedly attached with step groove 41 and recess 201, makes the insulating seat 4 and plastic seat 6 and the metal shell, upper terminal module 2 and lower terminal module 3 lower end between closely attached without gap, it not only can reach the end of secondary sealing waterproof, but also can further guarantee the stability of assembly structure, also can prevent the overflow / glue seepage bad problem when pouring waterproof glue in recess 60.

[0030] The lower end of the metal shell 5 is also provided with a pin 51, and the plastic seat 6 is formed with a protrusion 61 corresponding to the position of the pin 51, which is wrapped around the periphery of the pin 51. This can ensure that the plastic seat 6 and the metal shell 5 form a stable assembly, that is, the plastic seat 6 can be stably fixed to the periphery of the metal shell 5, thereby improving product quality and service life.

[0031] The lower end of the protrusion 61 protrudes from the lower end surface of the plastic seat 6, which is used to contact the PCB board, so that a gap is formed between the lower end surface of the plastic seat 6 and the PCB board. This facilitates air communication between the upper and lower pins 211 and 311 and the PCB board during reflow soldering, thereby ensuring the quality of the soldering.

[0032] The lower end surfaces of the upper and lower terminal modules 2 and 3 are flat, which facilitates the flow and filling of waterproof glue when pouring waterproof glue into the groove 60. The outer edges of the lower end surfaces of the upper and lower terminal modules 2 and 3 are provided with an R angle 202, and a sunken groove 601 is formed around the groove 60, with the inner wall of the sunken groove 601 connected to the R angle 202. The design of the sunken groove 601 facilitates the filling of waterproof glue into the entire groove 60, and the design of the R angle 202 facilitates the smooth flow of waterproof glue, avoiding the generation of air bubbles due to air leakage, thereby improving the quality of the sealing rubber block 7.

[0033] The lower end surfaces of the upper and lower terminal modules 2 and 3 are also formed with downward protruding ribs 203, and the sealing rubber block 7 also covers the ribs 203, so that a clamping groove 71 is formed on the sealing rubber block 7 to be clamped and positioned with the ribs 203. In this way, positioning in the left and right directions is achieved, which can reduce the tension of the sealing rubber block 7 when it is forced to expand outward, thereby avoiding the generation of gaps that affect waterproof performance. The lower end of the metal shell 5 is also provided with a clamping pin 53, which is clamped and fixed with a part of the rib 203 by riveting, thereby forming a stable assembly of the metal shell 5 and the insulating seat 4. The clamping pin 53 and the rib 203 are both four, which are distributed around the lower end surface of the insulating seat 4, so as to ensure the relative position of the metal shell 5 and the insulating seat 4 stable under the premise of ensuring the stability of the assembly structure, thereby improving the product quality. The clamping pin 53 is also covered by the sealing rubber block 7, thereby making the sealing rubber block 7 more stably fixed in the groove 60. Because the rib 203 is strip-shaped and has a certain length, a part of the rib 203 is clamped and positioned with the clamping pin 53, and the other part of the rib 203 is covered by the sealing rubber block 7.

[0034] The inner side of the clamping pin 53 is provided with a bending groove 531 for easy bending. When the clamping pin 53 is bent to achieve riveting, it can be bent along the bending groove 531, which is easier to operate and has better bending effect, making it easier to achieve riveting work.

[0035] The outer side of the upper end of the plastic seat 6 is further provided with a ring groove 64, a sealing ring 65 is fixed in the ring groove 64, at least one outward protruding sealing protrusion 651 is arranged on the sealing ring 65, the sealing protrusion 651 of the sealing ring 65 is used for contacting the inner wall of the cabinet when the utility model is installed with the cabinet, and the purpose of sealing and waterproof is achieved. The outer side of the sealing protrusion 651 is arc-shaped.

[0036] The docking groove 50 is further inserted and positioned with a T-shaped rubber plug 8, an adsorption plane 81 is arranged on the upper end face of the rubber plug 8, the rubber plug 8 can be positioned and adsorbed by the adsorption plane 81 by the suction cup of the mechanical arm, and then the rubber plug 8 is inserted into the docking groove 50 or taken out relative to the docking groove 50, which is convenient for automatic production. The lower end of the rubber plug 8 has a containing groove 82 for accommodating the tongue plate 40 of the upper end of the insulating seat 4, the tongue plate 40 of the upper end of the insulating seat 4 can be sleeved through the containing groove 82, and then the tongue plate 40 of the upper end of the insulating seat 4 is protected. And a plurality of vertical tensioning strips 83 are arranged on the periphery of the lower end of the rubber plug 8 and are used for tensioning positioning with the inner wall of the metal shell 5, and the lower end of the tensioning strip 83 is provided with an inclined surface 831. When the rubber plug 8 is inserted into the docking groove 50, the inclined surface 831 first contacts the docking groove 50, and as the rubber plug 8 is continuously inserted, the tensioning strip 83 is smoothly pressed against the inner wall of the docking groove 50, and the purpose of tensioning and fixing is achieved.

[0037] In summary, the plastic seat 6 is added, and the plastic seat 6 is fixed to the outside of the metal shell 5 in a manner of injection molding, has good adhesion, stable structure, and the recess 60 formed by the plastic seat 6, the insulating seat 4, the upper terminal module 2 and the lower end of the lower terminal module is further filled with waterproof glue to form a sealing rubber block 7, the outer side of the sealing rubber block 7 is fixedly attached to the inner wall of the lower end of the plastic seat 6, and covers the gap between the insulating seat 4, the upper terminal module 2 and the lower terminal module, ensures the structural stability, and the sealing rubber block 7 also covers the metal shell 5 and the lower end of the insulating seat 4, to block the gap between the metal shell 5 and the insulating seat 4, to achieve the purpose of sealing, to have very strong waterproof performance. In addition, the sealing rubber block 7 also wraps the upper end of the upper lead 211 and the lower lead 311, and the lower end of the upper lead 211 and the lower lead 311 is exposed outside the sealing rubber block 7, thereby further improving the sealing performance.

[0038] Of course, the above only describes specific embodiments of the utility model, and does not limit the scope of the utility model, and equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope should be included in the utility model patent application scope.

Claims

1. A waterproof vertical TYPE-C connector, comprising a middle metal sheet (1), an upper terminal module (2) and a lower terminal module (3) clamped and fixed on the upper and lower ends of the middle metal sheet (1), an insulating seat (4) integrally injection molded outside the upper terminal module (2) and the lower terminal module (3), and a metal shell (5) sleeved on the insulating seat (4), characterized in that: the metal shell (5) is further injection molded with a plastic seat (6) outside, the lower end of the plastic seat (6) further protrudes outside the lower end of the metal shell (5) and the insulating seat (4), and the lower end inner wall of the plastic seat (6) forms a groove (60) with the lower end face of the insulating seat (4) or between the lower end face of the insulating seat (4) and the upper terminal module (2) and the lower terminal module (3), and waterproof glue is further poured into the groove (60) to form a sealing glue block (7), the outer side of the sealing glue block (7) is fixedly attached to the lower end inner wall of the plastic seat (6), and the sealing glue block (7) further covers the lower end of the metal shell (5) and the insulating seat (4) to block the gap between the metal shell (5) and the insulating seat (4). The lower end of the metal shell (5) is further provided with a pin (51), and the plastic seat (6) is formed with a protrusion (61) corresponding to the position of the pin (51), which is wrapped and fixed around the periphery of the pin (51).

2. The vertical waterproof TYPE-C connector according to claim 1, characterized in that: The lower end of the protrusion (61) further protrudes outside the lower end face of the plastic seat (6); the upper lead (211) of the upper terminal (21) in the upper terminal module (2) and the lower lead (311) of the lower terminal (31) in the lower terminal module (3) both protrude outside the insulating seat (4), and the sealing glue block (7) further wraps the upper end of the upper lead (211) and the lower lead (311), and the lower end of the upper lead (211) and the lower lead (311) is exposed outside the sealing glue block (7).

3. The vertical waterproof TYPE-C connector according to claim 2, characterized in that: The lower end outside of the insulating seat (4) is provided with a stepped groove (41), the lower end outside of the upper terminal module (2) and the lower terminal module (3) are both provided with a recess (201) corresponding to the stepped groove (41), and the metal shell (5) is provided with a hole (52) corresponding to the stepped groove (41), the plastic seat (6) is formed with a connecting part (62) and a boss (63) corresponding to the positions of the hole (52) and the stepped groove (41) respectively, the connecting part (62) is inserted and fixed in the hole (52), and the boss (63) is assembled with the stepped groove (41) and the recess (201) to tightly attach the insulating seat (4) with the plastic seat (6) and the lower end of the metal shell, the upper terminal module (2) and the lower terminal module (3) without gap.

4. The waterproof vertical TYPE-C connector according to any one of claims 1-3, characterized in that: The lower end face of the upper terminal module (2) and the lower terminal module (3) is provided as a plane, and the lower end face of the upper terminal module (2) and the lower terminal module (3) is provided with an R angle (202) outside the edge; a sunken groove (601) is further formed around the groove (60), and the inner wall of the sunken groove (601) is connected with the R angle (202).

5. The vertical waterproof TYPE-C connector according to claim 4, characterized in that: ​ 6. The vertical waterproof TYPE-C connector according to claim 4, characterized in that: The lower end face of the upper terminal module (2) and the lower terminal module (3) is further formed with a convex strip (203) protruding downward, the sealing rubber block (7) further covers the convex strip (203), so that a clamping groove (71) is formed on the sealing rubber block (7) to clamp and position the convex strip (203).

7. The vertical waterproof TYPE-C connector according to claim 6, characterized in that: The lower end of the metal shell (5) is further provided with a clamping leg (53), the clamping leg (53) is clamped and fixed with a part of the convex strip (203) by riveting, and the clamping leg (53) is further covered by the sealing rubber block (7). 8.The vertical waterproof TYPE-C connector according to claim 7, characterized in that: The inner side of the clamping leg (53) is provided with a bending groove (531) facilitating bending.

9. The waterproof upright TYPE-C connector according to any one of claims 1-3, characterized in that: The outer side of the upper end of the plastic seat (6) is further provided with a ring groove (64), a sealing ring (65) is fixed in the ring groove (64), the sealing ring (65) is provided with at least one outward protruding sealing protrusion (651), and the outer side of the sealing protrusion (651) is arc-shaped.

10. The waterproof vertical TYPE-C connector according to any one of claims 1-3, characterized in that: The metal shell (5) and the upper end of the insulating seat (4) are formed with a butt joint groove (50) on the periphery, the butt joint groove (50) is further inserted and positioned with a T-shaped rubber plug (8), the rubber plug (8) is provided with an adsorption plane (81) on the upper end face, the rubber plug (8) has a receiving groove (82) for accommodating the tongue plate (40) on the upper end of the insulating seat (4), and the rubber plug (8) is provided with a plurality of vertical tension strips (83) on the lower end periphery for tension positioning with the inner wall of the metal shell (5), and the lower end of the tension strip (83) is provided with an inclined surface (831).

Citation Information

Patent Citations

  • Vertical type-c connector board end female joint

    CN218482441U