Waterproof USB Type C socket connector

Abstract

The utility model discloses a waterproof USB Type C socket connector, and the connector comprises an insulating body which is provided with a base part, a tongue root part, and a tongue end part which are sequentially connected in a butt joint direction; the plurality of terminal pieces are fixed in the insulating body, and the shielding inner shell comprises a rear section part, a front section part and a section difference connecting part for connecting the rear section part and the front section part; the rear section part is arranged on the periphery of the end, close to the tongue root part, of the base part in a surrounding mode, and the front section part is arranged on the periphery of the tongue root part in a surrounding mode. The groove part is formed by inwards sinking the outer surface of the rear section part; the waterproof ring is annularly arranged on the periphery of the rear section part, at least part of the waterproof ring is annularly combined in the groove part of the rear section part, and the waterproof ring protrudes out of the outer surface of the rear section part. A good waterproof effect can be achieved, and miniaturization design is facilitated.

Description

Technical Field

[0001] The present application relates to a waterproof USB Type C socket connector. Background Art

[0002] USB 3.1 is the latest USB specification, which was initiated by Intel and other large companies. The data transmission speed can be increased to 10Gbps. Compared with the traditional USB 2.0 technology, the new USB technology uses a more efficient data encoding system and provides more than double the effective data throughput. USB 3.1 includes three types: Type-A, Type-B and Type-C. In December 2013, the USB 3.0 promotion team announced the rendering of the next-generation USB Type C connector, and then in August 2014, it was ready for mass production. The highlights of the new version of the connector are a slimmer design, faster transmission speed (up to 10Gbps) and more powerful power transmission (up to 100W). The biggest advantage is that it supports front and back insertion, which solves the problem of "USB can never be inserted correctly", and can be inserted in any way.

[0003] For the related prior art, reference may be made to Chinese utility model patent CN218632595U, which discloses a USB Type C waterproof connector. On the one hand, waterproofing is achieved by filling the slot 114 of the insulator 11 with waterproof colloid 20 to realize the gap between the metal front shell 30 and the connector body 10 and the conductive terminal 12. On the other hand, waterproofing is achieved by the elastic gasket 50 sleeved forward on the sleeve portion 3 of the metal front shell 30. Among them, in the prior art, the setting position and setting method of the elastic gasket 50 are not conducive to the overall thinning and miniaturization of the connector; in addition, the filling position, filling range and filling method of the waterproof colloid 20 still have the problem of loose waterproofing. The reason is that the metal front shell is sleeved on the insulating body in an assembly manner, the assembly gap is relatively large, and the inner surface of the metal front shell is a smooth surface. Even if the waterproof colloid 20 is filled in the slot 114, water vapor may still penetrate into the metal front shell along the inner surface.

[0004] Therefore, it is necessary to design a new waterproof USB Type C connector to solve the above technical problems. Utility Model Content

[0005] The purpose of the present application is to provide a waterproof USB Type C socket connector that can achieve better waterproof effect and is conducive to miniaturized design.

[0006] To achieve the above objectives, this application provides the following technical solutions:

[0007] A waterproof USB Type C socket connector, comprising:

[0008] The insulating body is formed with a base portion, a tongue root portion and a tongue end portion which are sequentially connected along the butting direction;

[0009] A plurality of terminal pieces, each of which comprises a docking section, a fixing section and a contact section which are sequentially connected along a docking direction;

[0010] The docking section protrudes out of the base, and at least a portion of the fixing section is embedded and fixed in the base and the tongue root;

[0011] The contact segments are arranged in two rows and fixed to the end of the tongue, and each contact segment includes a contact surface exposed outside the upper surface or the lower surface of the end of the tongue;

[0012] The shielding inner shell comprises a rear section, a front section and a step connection section connecting the rear section and the front section;

[0013] The rear section is arranged around the periphery of one end of the base close to the tongue root, and the front section is arranged around the periphery of the tongue root;

[0014] A groove portion, formed by the outer surface of the rear section being recessed inwardly;

[0015] A waterproof ring is arranged around the outer periphery of the rear section and at least partially arranged and combined in the groove portion of the rear section, and the waterproof ring protrudes out of the outer surface of the rear section.

[0016] Furthermore, a rear end edge of the rear section is turned outward to form a stopper, and the stopper is located behind the waterproof ring to stop the backward movement or deformation of the waterproof ring.

[0017] Furthermore, the rear section is in the shape of a closed ring and / or the front section is in the shape of a closed ring.

[0018] Furthermore, the base is defined to form a waterproof section at one end adjacent to the tongue root, the rear section surrounds the waterproof section, a gap space is formed between at least a portion of the outer peripheral surface of the waterproof section and the inner surface of the rear section, and a waterproof material is implanted in the gap space.

[0019] Furthermore, the gap space surrounds the waterproof section, and the waterproof material surrounds the waterproof section.

[0020] Furthermore, the gap space is located at the front end of the groove portion.

[0021] Furthermore, the base also includes a base section located behind the waterproof section, a waterproof groove is formed between the base section and the waterproof section, the rear section surrounds the waterproof groove, each of the fixed sections includes a sealing section exposed in the waterproof groove, a waterproof material is implanted in the waterproof groove, and the waterproof material surrounds and covers the outside of the sealing section.

[0022] Further, the plurality of terminal pieces include a row of upper terminal pieces and a row of lower terminal pieces;

[0023] The insulating body comprises an upper insulating member integrally fixed to an upper row of terminal members, a lower insulating member integrally fixed to a lower row of terminal members, and an outer insulating member integrally fixed by stacking the upper insulating member and the lower insulating member;

[0024] A clearance gap is formed between the upper insulating member and the lower insulating member at a front end position adjacent to the waterproof groove. The clearance gap is communicated with the waterproof groove, and a waterproof material is implanted in the clearance gap.

[0025] Furthermore, the inner surface of the groove portion of the rear section protrudes into the waterproof groove.

[0026] Furthermore, a right-angled stop corner is defined on the outer peripheral surface of the base portion near the tongue root, and a line contact is formed between the inner surface of the step connection portion and the stop corner.

[0027] Furthermore, a stopper is formed on the outer peripheral surface of the tongue root near the tongue end, and the stopper stops at the front end edge of the front section. The shielding inner shell is assembled on the periphery of the insulating body from front to back.

[0028] Furthermore, one side surface of the base section is inwardly recessed to form an implantation groove, the implantation groove is forwardly connected to the waterproof groove, and the waterproof material is implanted into the waterproof groove and the gap space through the implantation groove;

[0029] A stop portion is formed on the other side surface of the base section, and the rear end edge of the shielding inner shell stops at the front end surface of the stop portion.

[0030] Furthermore, it also includes: the plurality of terminal pieces include a row of upper terminal pieces and a row of lower terminal pieces; a middle partition plate is buried in the insulating body and is located between the row of upper terminal pieces and the row of lower terminal pieces; the rear end edge of the rear section is turned outward to form a stopper, and the stopper surrounds the rear section; the rear end position of the base is extended along the width direction to form an ear, and the rear end of the middle partition plate is extended to form a lap portion exposed forward from the front end surface of the ear, and the lap portion is tightly attached to the rear surface of the stopper at both sides of the rear section and fixed by welding.

[0031] Compared with the prior art, the beneficial effects of the present application are: being able to achieve better waterproof effect and being conducive to miniaturized design. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a three-dimensional schematic diagram of the waterproof USB Type C socket connector of the present application.

[0033] Figure 2 yes Figure 1 Front view of the waterproof USB Type C receptacle connector.

[0034] Figure 3 This is a partial three-dimensional exploded view of the waterproof USB Type C socket connector of the present application, which specifically shows a three-dimensional schematic diagram after the shielding inner shell, the waterproof ring and the waterproof material are separated from the insulating body.

[0035] Figure 4 yes Figure 3 Further exploded perspective view of the waterproof USB Type C receptacle connector shown.

[0036] Figure 5 yes Figure 4 Further exploded perspective view of the waterproof USB Type C receptacle connector shown.

[0037] Figure 6 It is Figure 2 Section view along line AA.

[0038] Figure 7 It is Figure 2 The cross-sectional view along line AA further shows the schematic diagram after the waterproof material is separated from the insulating body.

[0039] Figure 8 It is Figure 2 Cross-sectional view along line BB.

[0040] Fig. 9 yes Figure 6 A magnified view of the structure within the dashed box.

[0041] Fig.10 yes Figure 6 The enlarged view of the structure within the dotted box further shows the schematic diagram after the waterproof material is separated from the insulating body.

[0042] Fig.11 It is a three-dimensional schematic diagram of the waterproof material implanted in the waterproof groove of the waterproof USB Type C socket connector of the present application. DETAILED DESCRIPTION

[0043] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0044] In the description of this application, it should be understood that the terms "include" and "have" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0045] In addition, for the sake of accuracy of description, all directions involved in this application should be referred to as Figure 1 For reference, the direction of the X-axis is defined as the front-to-back direction (that is, the plug-in and unplugging direction of the docking connector), where the positive direction of the X-axis is the front; the direction of the Y-axis is defined as the up-down direction, where the positive direction of the Y-axis is upward; and the direction of the Z-axis is defined as the left-right direction (that is, the width direction).

[0046] See also Figure 1 and Fig.11 As shown, a waterproof USB Type C socket connector disclosed in the present application includes an insulating body 1 made of insulating material, a plurality of terminal pieces 2 fixed to the insulating body by integral injection molding, and a shielding inner shell 3 assembled and sleeved on the outer periphery of the insulating body 1. Specifically, the insulating body 1 is formed with a base 11, a tongue root 12, and a tongue end 13 connected in sequence along the front-to-back direction. Each terminal piece 2 includes a docking section 21, a fixing section 22, and a contact section 23 connected in sequence along the docking direction. Among them, the docking section 21 protrudes from the base 11 for docking with a docking circuit board (a docking substrate inside an electronic device). At least part of the fixing section 22 is buried and fixed in the base 11 and the tongue root 12. The contact sections 23 are arranged in two rows and fixed to the upper and lower surfaces of the tongue end 13, and each contact section 23 includes a contact surface (not numbered) exposed to the upper or lower surface of the tongue end 13 for docking with a docking connector.

[0047] Please refer to Figures 3 to 10As shown, in the present application, the shielding inner shell 3 includes a rear section 31, a front section 32 and a step connection portion 33 connecting the rear section 31 and the front section 32. In a preferred embodiment, the shielding inner shell 3 is formed by an integrated drawing / stretching process of a metal plate, or can also be formed by a metal tube process. The shielding inner shell 3 is circumferentially seamless, the rear section 31 is a closed ring, the front section 32 is a closed ring, and the step connection portion 33 is a closed ring. The rear section 31 is arranged around the periphery of one end of the base 11 close to the tongue root 12. The front section 32 is arranged around the periphery of the tongue root 12. Further, a stopper 121 is formed on the outer peripheral surface of the tongue root 12 of the insulating body 1 near the tongue end 13, and the stopper 121 stops at the front end edge of the front section 32, and the shielding inner shell 3 is assembled on the periphery of the insulating body 1 from front to back.

[0048] Furthermore, the base 11 of the insulating body 1 is defined to form a waterproof section 111 at one end adjacent to the tongue root 12, and the base 11 also includes a base section 112 located behind the waterproof section 111, and a waterproof groove 113 is formed between the base section 112 and the waterproof section 111. The rear section 31 at least surrounds the waterproof groove 113 and the waterproof section 111. In a preferred embodiment of the present application, a gap space 110 is formed between at least a portion of the outer peripheral surface of the waterproof section 111 and the inner surface of the rear section 31, and a waterproof material 5 is implanted in the gap space 110. A more preferred embodiment is: the gap space 110 surrounds the outer periphery of the waterproof section 111, and the waterproof material 5 surrounds the outer periphery of the waterproof section 111.

[0049] Please refer to Figure 1 , Figure 3 , Figures 6 to 8 As shown, the fixed section 22 of each terminal member 2 includes a sealing section 221 exposed in the waterproof groove 113, and the entire circumference outside each sealing section 221 is exposed in the waterproof groove 113. In a preferred embodiment of the present application, the waterproof section 111 is completely disconnected from the base section 112 in the front-to-back direction, and is only connected as a whole through the fixed section 22 of the terminal member 2. Of course, in other embodiments, the local position of the waterproof section 111 and the base section 112 can also be designed to be integrally connected, such as in the left-right direction, at a position outside the arrangement area of ​​several terminal members 2. One side surface (upper surface) of the base section 112 is recessed inward to form an implantation groove 1121, and the implantation groove 1121 is connected to the waterproof groove 113 forward. The implantation groove 1121 forms an implantation port (unnumbered) located at the rear end of the shielding inner shell 3 and opening upward. The waterproof material 5 is implanted into the waterproof groove 113 and the gap space 110 via the implantation groove 1121 (implantation port). The waterproof material 5 surrounds and covers the outer periphery of the sealing section 221 .

[0050] Please refer to Figures 1 to 11 As shown, the outer surface of the rear section 31 is inwardly recessed to form a groove 311. A waterproof ring 4 is arranged around the outer periphery of the rear section 31 and at least partially arranged and combined in the groove 311 of the rear section 31. The waterproof ring 4 protrudes out of the outer surface of the rear section 31. The rear end edge of the rear section 31 is turned outward to form a stopper 312, which is located behind the waterproof ring 4 and stops the backward movement or deformation of the waterproof ring 4. The above-mentioned gap space 110 is located at the front end of the groove 311.

[0051] Furthermore, the inner surface of the groove portion 311 of the rear section 31 is formed to protrude into the waterproof groove 113 in a whole circle, so that the inner surface of the shielding inner shell 3 forms an uneven circuitous structure from the front end to the rear end. The uneven inner surface of the shielding inner shell 3 can help prevent water vapor from penetrating from the inner surface of the shielding inner shell 3 from the front to the back, thereby improving the waterproof performance. In addition, the design of the groove portion 311 can also make the waterproof ring 4 and the shielding inner shell 3 more firmly bonded, reducing the risk of the waterproof ring 4 detaching from the shielding inner shell 3. In addition, in the preferred embodiment of the present application, the outer peripheral surface of the base 11 is defined to form a right-angled stop corner 114 at a position adjacent to the tongue root portion 12, and a line contact is formed between the inner surface of the step connection portion 33 and the stop corner 114. The waterproof material 5 flowing into the gap space 110 can be stopped as much as possible at the contact position between the inner surface of the step connection part 33 and the stop angle part 114, preventing excessive waterproof material 5 from penetrating forward along the inner surface of the step connection part 33 and the front part 32 to the surface of the tongue end part 13. The waterproof material 5 can be formed by solidifying a liquid waterproof glue.

[0052] In the present application, by setting the gap space 110, the bonding area between the waterproof material 5 and the inner surface of the rear section 31 of the shielding inner shell 3 is increased, especially the bonding width along the front-to-back direction, so that the water vapor penetration path from the front to the back through the inner surface of the shielding inner shell 3 is increased and tortuous, which can improve the waterproof effect. In addition, in the preferred embodiment of the present application, the stopper 312 at the rear end position of the rear section 31 is formed as a whole circle of annular shape. The lower surface of the base section 112 is also formed with a stopper 1122, and the rear end edge of the shielding inner shell 3 (specifically, the rear end face of the stopper 312 at the corresponding position of the shielding inner shell 3) stops at the front end face of the stopper 1122.

[0053] Please refer to Figures 3 to 5 and Figures 9 to 11As shown, in the present application, the plurality of terminal members 2 include a row of upper terminal members and a row of lower terminal members. The insulating body 1 includes an upper insulating member 101 fixed integrally with the row of upper terminal members, a lower insulating member 102 fixed integrally with the row of lower terminal members, and an outer insulating member 103 fixed integrally after the upper insulating member 101 and the lower insulating member 102 are stacked. A clearance gap 1011 is formed between the upper insulating member 101 and the lower insulating member 102 at the front end position adjacent to the waterproof groove 113, and the clearance gap 1011 is connected to the waterproof groove 113, and a waterproof material 5 is implanted in the clearance gap 1011. It is also for improving the waterproof performance.

[0054] The waterproof USB Type C socket connector in the embodiment of the present application further includes a middle partition plate 6, which is buried in the insulating body 1 and located between the row of upper terminal pieces and the row of lower terminal pieces. The rear end of the base 11 is formed with ears 115 extending along both sides, and the rear end of the middle partition plate 6 is extended to form a lap portion 61 exposed forward from the front end surface of the ears 115, and the lap portion 61 is closely attached to the rear surface of the stopper 312 at both sides of the rear section 31 and fixed by welding.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present design, rather than to limit it. Although the present design has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solutions of the embodiments of the present design.

[0056] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof USB Type C socket connector, characterized in that: include: The insulating body is formed with a base portion, a tongue root portion and a tongue end portion which are sequentially connected along the butting direction; A plurality of terminal pieces, each of which comprises a docking section, a fixing section and a contact section which are sequentially connected along a docking direction; The docking section protrudes out of the base, and at least a portion of the fixing section is embedded and fixed in the base and the tongue root; The contact segments are arranged in two rows and fixed to the end of the tongue, and each contact segment includes a contact surface exposed outside the upper surface or the lower surface of the end of the tongue; The shielding inner shell comprises a rear section, a front section and a step connection section connecting the rear section and the front section; The rear section is arranged around the periphery of one end of the base close to the tongue root, and the front section is arranged around the periphery of the tongue root; A groove portion, formed by the outer surface of the rear section being recessed inwardly; A waterproof ring is arranged around the outer periphery of the rear section and at least partially arranged and combined in the groove portion of the rear section, and the waterproof ring protrudes out of the outer surface of the rear section.

2. The waterproof USB Type C socket connector according to claim 1, characterized in that: The rear end edge of the rear section is turned outward to form a stopper, and the stopper is located behind the waterproof ring to stop the backward movement or deformation of the waterproof ring.

3. The waterproof USB Type C socket connector according to claim 1, characterized in that: The rear section is in the shape of a closed ring and / or the front section is in the shape of a closed ring.

4. The waterproof USB Type C socket connector according to claim 1, 2 or 3, characterized in that: The base is defined to form a waterproof section at one end adjacent to the tongue root, the rear section surrounds the waterproof section, a gap space is formed between at least a portion of the outer circumference of the waterproof section and the inner surface of the rear section, and a waterproof material is implanted in the gap space.

5. The waterproof USB Type C socket connector according to claim 4, characterized in that: The gap space surrounds the waterproof section, and the waterproof material surrounds the waterproof section.

6. The waterproof USB Type C socket connector according to claim 4, characterized in that: The gap space is located at the front end of the groove portion.

7. The waterproof USB Type C socket connector according to claim 4, characterized in that: The base also includes a base section located behind the waterproof section, a waterproof groove is formed between the base section and the waterproof section, the rear section surrounds the waterproof groove, each of the fixed sections includes a sealing section exposed in the waterproof groove, a waterproof material is implanted in the waterproof groove, and the waterproof material surrounds and covers the outside of the sealing section.

8. The waterproof USB Type C socket connector according to claim 7, characterized in that: The plurality of terminal pieces include an upper row of terminal pieces and a lower row of terminal pieces; The insulating body comprises an upper insulating member integrally fixed to an upper row of terminal members, a lower insulating member integrally fixed to a lower row of terminal members, and an outer insulating member integrally fixed by stacking the upper insulating member and the lower insulating member; A clearance gap is formed between the upper insulating member and the lower insulating member at a front end position adjacent to the waterproof groove. The clearance gap is communicated with the waterproof groove, and a waterproof material is implanted in the clearance gap.

9. The waterproof USB Type C socket connector according to claim 7, characterized in that: The inner surface of the groove portion of the rear section protrudes into the waterproof groove.

10. The waterproof USB Type C socket connector according to claim 1, 2 or 3, characterized in that: A right-angled stop corner is defined on the outer peripheral surface of the base portion at a position adjacent to the tongue root portion, and a line contact is formed between the inner surface of the step connection portion and the stop corner.

11. The waterproof USB Type C socket connector according to claim 1, 2 or 3, characterized in that: A stopper is formed on the outer peripheral surface of the tongue root near the tongue end, and the stopper stops at the front end edge of the front section. The shielding inner shell is assembled on the periphery of the insulating body from front to back.

12. The waterproof USB Type C socket connector according to claim 7, characterized in that: A surface of one side of the base section is inwardly recessed to form an implantation groove, the implantation groove is forwardly connected to the waterproof groove, and the waterproof material is implanted into the waterproof groove and the gap space through the implantation groove; A stop portion is formed on the other side surface of the base section, and the rear end edge of the shielding inner shell stops at the front end surface of the stop portion.

13. The waterproof USB Type C socket connector according to claim 1, 2 or 3, characterized in that: Also includes: The plurality of terminal pieces include an upper row of terminal pieces and a lower row of terminal pieces; A middle partition, buried in the insulating body and located between the row of upper terminal pieces and the row of lower terminal pieces; The rear end edge of the rear section is turned outward to form a stopper, and the stopper surrounds the rear section; The rear end of the base is extended along the width direction to form an ear, and the rear end of the middle partition is extended to form a lap joint that is exposed forward from the front end surface of the ear. The lap joint is tightly attached to the rear surface of the stopper at both sides of the rear section and fixed by welding.

Images