Waterproof USB 3.0 connector structure

Abstract

The utility model relates to a waterproof USB 3.0 connector structure, which is provided with a first insulating main body, a second insulating main body and a cylindrical shell, a first terminal and the first insulating main body are connected together through injection molding, and the first terminal is provided with a first contact part extending out from a first plugging end; the second insulating main body is provided with a tongue piece, the second terminals and the second insulating main body are connected together through injection molding, and the second contact parts of the second terminals are distributed on the upper and lower side surfaces of the tongue piece; the cylindrical shell provides a through insertion tunnel, so that the first insulating main body and the second insulating main body are inserted into the insertion tunnel from the two ends of the cylindrical shell respectively, and the peripheries of the first insulating main body and the second insulating main body are in tight fit connection with the inner wall of the cylindrical shell through sealing rings, so that good waterproofness is obtained; and the first contact part and the second contact part are in contact connection in the cylindrical shell, and are provided with corresponding stop top limiting and anti-falling, so that the plugging use performance is greatly improved, the structure is simple, and the manufacturing and the implementation are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially to USB connector structure. BACKGROUND

[0002] At present, USB connector has the characteristics of transmission speed block, convenient to use, supporting hot plug, flexible connection, independent power supply etc, has been widely used in electronic industry, is often used for the interface end of mouse, keyboard, flash disk.

[0003] The USB connector comprises a female seat and a male head which are inserted into each other, and the metal front shell of the female seat and the male head is sleeved on the insulating body in an assembled manner, the assembly gap is relatively large, and the waterproof performance is poor, therefore, some USB connectors increase a waterproof ring, which not only has a relatively complex product structure and is not conducive to the thinning and miniaturization of the connector as a whole, but also only presses and seals the contact end faces of the female seat and the male head, and water vapor can still penetrate into the metal front shell, so further improvement is needed. SUMMARY

[0004] The utility model discloses a waterproof USB3.0 connector structure can realize preferable waterproof effect, and simple structure, convenient production and assembly.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme:

[0006] A waterproof USB3.0 connector structure has:

[0007] A first insulating body is provided with a first insertion end and a first welding end which are opposite to each other, and a cut-shaped groove is arranged on the first insertion end, and a radially outward convex first stop top is arranged on the first welding end; a first terminal is assembled on the first insulating body, the first terminal is connected with the first insulating body through injection molding, and the first terminal has a first contact part which extends from the first insertion end, and the first contact part is arranged on the upper and lower sides of the groove;

[0008] A second insulating body is provided with a second insertion end and a second welding end which are opposite to each other, and a tongue is arranged on the second insertion end, and a radially outward convex second stop top is arranged on the second welding end; a second terminal is assembled on the second insulating body, the second terminal is connected with the second insulating body through injection molding, and the second terminal has a second contact part which extends to the tongue, and the second contact part is arranged on the upper and lower sides of the tongue;

[0009] The cylindrical shell provides a through plug-in tunnel, so that the first plug-in end of the first insulation body is inserted into the plug-in tunnel from one end of the cylindrical shell, the first stop top is stopped on the corresponding end of the cylindrical shell, and the first sealing ring is further provided on the outer periphery of the first insulation body, which is inserted into the cylindrical shell and tightly connected with the inner wall of the cylindrical shell; the second plug-in end of the second insulation body is inserted into the plug-in tunnel from the other end of the cylindrical shell, so that the tongue is inserted into the groove and the first contact part and the second contact part are connected in contact; and the second stop top is stopped on the corresponding end of the cylindrical shell, and the second sealing ring is further provided on the outer periphery of the second insulation body, which is inserted into the cylindrical shell and tightly connected with the inner wall of the cylindrical shell.

[0010] The above scheme further is that the cylindrical shell is a plastic frame, the first stop top and the second stop top are both ring table structures, so that the first stop top and the second stop top are respectively capped and stopped on the corresponding ends of the cylindrical shell; the first sealing ring is arranged inside the root of the first stop top, and the second sealing ring is arranged inside the root of the second stop top.

[0011] The above scheme further is that the inner side wall of the cylindrical shell is provided with an inner recessed clamping groove, and the stop retreat connection between the cylindrical shell and the first insulation body is established by clamping the pre-set buckle point on the first insulation body through the inner recessed clamping groove.

[0012] The above scheme further is that the outer side wall of the cylindrical shell is provided with a buckle ring, and the corresponding second insulation body is provided with a buckle elastic arm, the buckle elastic arm protrudes from the second stop top towards the plug-in direction of the tongue, and a barb is arranged at the protruding end of the buckle elastic arm, and the anti-disconnection connection between the cylindrical shell and the second insulation body is established by inserting the buckle elastic arm into the buckle ring and buckling by the barb.

[0013] The above scheme further is that the inner recessed clamping groove has two and is symmetrically arranged on the left and right sides in the plug-in direction of the cylindrical shell, the number and position of the buckle points are matched with the inner recessed clamping groove, and the buckle points are integrally formed with the first insulation body and located between the first stop top and the first sealing ring.

[0014] The above scheme further is that the buckle ring has two and is symmetrically arranged on the left and right sides in the plug-in direction of the cylindrical shell, and the buckle elastic arm has two and is respectively connected with the buckle rings on the two sides of the cylindrical shell.

[0015] The above scheme further is that the outer diameter of the second stop top is consistent with the outer diameter of the cylindrical shell.

[0016] The waterproof USB3.0 connector structure provided by the utility model has the advantages that the terminal and the insulating main body are integrally injection molded together, the connecting structure is compact, the first insulating main body and the second insulating main body are inserted into the cylindrical shell together, the cylindrical shell and the first and second insulating main bodies are additionally sealed by the sealing ring, and thus better waterproof effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] ATTACHED Figure 1 It is a structure schematic view of the preferable embodiment of the utility model;

[0018] ATTACHED Figure 2 It is Figure 1 It is a structure exploded schematic view of the embodiment;

[0019] ATTACHED Figure 3 It is a plug-in implementation schematic view of the utility model;

[0020] ATTACHED Figure 4 It is Figure 3 It is an internal structure sectional view. DETAILED DESCRIPTION

[0021] The concept, specific structure and generated technical effects of the utility model will be further described below in combination with the drawings, so as to fully understand the purpose, features and effects of the utility model.

[0022] It should be noted that, in the description of the utility model, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating the direction or position relationship are based on the direction or position relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] Reference Figures 1-4As shown, the utility model provides a waterproof USB3 The connector structure has female seat, male head and tubular shell 5, tubular shell 5 provides the plug-in tunnel 51, sets up the plug-in environment. Female seat includes first insulating body 1 and first terminal 2, the first insulating body 1 is equipped with mutually opposite first plug-in end 11 and first welding end 12, and is equipped with the groove 111 of cutting shape on first plug-in end 11, and is equipped with the first top stop portion 121 of radial outer convex on first welding end 12. The first terminal 2 is connected together with the first insulating body 1 by injection molding, and the first terminal 2 has the first contact portion 21 that stretches out from first plug-in end 11, and the first contact portion 21 is distributed on the upper and lower sides of the groove 111, forms the slot, and the first contact portion 21 is designed according to the needs corresponding bending, obtains elasticity, and is beneficial to subsequent clamping contact connection. In the embodiment, the first terminal 2 has nine and is divided into upper and lower rows and is connected together on the first insulating body 1 by injection molding, and the structure is compact and stable. The first terminal 2 also has the welding leg 22 that stretches out from the first welding end 12, so as to be welded on the upper plate or be welded with the wire etc. The male head includes second insulating body 3 and second terminal 4, the second insulating body 3 is equipped with mutually opposite second plug-in end 31 and second welding end 32, and is equipped with tongue 311 on second plug-in end 31, and is equipped with the second top stop portion 321 of radial outer convex on second welding end 32. The second terminal 4 is assembled on the second insulating body 3, the second terminal 4 is connected together with the second insulating body 3 by injection molding, and the second terminal 4 has the second contact portion 41 that extends to the tongue 311, and the second contact portion 41 is distributed on the upper and lower sides of the tongue 311. In the embodiment, the second terminal 4 also has nine and is divided into upper and lower rows and is connected together on the second insulating body 3 by injection molding, not only the structure is compact and stable, and greatly reduces the technological process and manufacturing cost.

[0024] In use, the first plug-in end 11 of the first insulating body 1 is inserted into the plug-in tunnel 51 from one end of the tubular shell 5, the first top stop portion 121 is stopped on the corresponding end of the tubular shell 5, and the outer periphery of the first insulating body 1 is also provided with the first sealing ring 61, which is inserted into the tubular shell 5 and tightly connected with the inner wall of the tubular shell 5. The second plug-in end 31 of the second insulating body 3 is inserted into the plug-in tunnel 51 from the other end of the tubular shell 5, so that the tongue 311 is inserted into the groove 111 and the first contact portion 21 and the second contact portion 41 are in contact and connected, forming electrical communication; and the second top stop portion 321 is stopped on the corresponding end of the tubular shell 5, and the outer periphery of the second insulating body 3 is also provided with the second sealing ring 62, which is inserted into the tubular shell 5 and tightly connected with the inner wall of the tubular shell 5. The first and second insulating bodies are connected by the tubular shell 5, and are sealed by the sealing ring, achieving better waterproof effect, and the structure is simple, convenient to manufacture and implement.

[0025] Figure 1 、 2 , 3, 4, in the embodiment, the cylindrical shell 5 is injection molded plastic frame, has corresponding expansion characteristics, conducive to the first, second sealing ring closely combined. First stop top 121 and second stop top 321 are ring table structure, so that the first stop top 121 and second stop top 321 are capped respectively on the corresponding end of the cylindrical shell 5, not only positioning, but also increase the plugging, prevent water from the outside. The first sealing ring 61 is arranged in the root of the first stop top 121, and the second sealing ring 62 is arranged in the root of the second stop top 321, bidirectional sealing, and the first stop top 121 and the second stop top 321 are used as auxiliary support, which improves the sealing effect. In the embodiment, the first sealing ring 61 and the second sealing ring 62 are respectively wound in the sealing ring groove provided by the first and second insulation main body, which effectively positions and facilitates disassembly, replacement and maintenance.

[0026] In the embodiment, the inner side wall of the cylindrical shell 5 is provided with an inner recessed slot 52, which is connected with the first insulation main body 1 by the inner recessed slot 52 and the pre-set buckle point 13 on the first insulation main body 1, so as to establish the anti-back connection between the cylindrical shell 5 and the first insulation main body 1, so that the cylindrical shell 5 and the first insulation main body 1 are connected to form a relatively stable state. When disassembly is needed, the expansion characteristics of the cylindrical shell 5 can be used to pull out and separate, which is convenient for disassembly, packaging and maintenance, also has replaceability, and improves practicability. The outer side wall of the cylindrical shell 5 is provided with a buckle ring 53, and the corresponding second insulation main body 3 is provided with a buckle elastic arm 33. The buckle elastic arm 33 protrudes from the second stop top 321 to the insertion direction of the tongue piece 311, and a barb 331 is arranged at the protruding end of the buckle elastic arm 33. The buckle elastic arm 33 is inserted into the buckle ring 53 and buckled by the barb 331 to establish the anti-disconnection connection between the cylindrical shell 5 and the second insulation main body 3, increase the insertion stability of the second insulation main body 3, ensure the contact connection between the first contact part 21 and the second contact part 41, and be conducive to the electrical signal transmission.

[0027] In the embodiment, the inner recessed slot 52 in the cylindrical shell has two and is symmetrically arranged on the left and right sides of the insertion direction of the cylindrical shell. The number and position of the buckle point 13 are matched with the inner recessed slot 52, and the buckle point 13 is integrally formed with the first insulation main body 1 and located between the first stop top 121 and the first sealing ring 61. The buckle ring 53 has two and is symmetrically arranged on the left and right sides of the insertion direction of the cylindrical shell. The buckle elastic arm 33 has two and is respectively connected with the buckle ring 53 on both sides of the cylindrical shell. The pair design is convenient for manufacturing, and the ideal anti-back and anti-disconnection effect can be obtained.

[0028] In the embodiment, the outer diameter of the second stop top 321 is consistent with the outer diameter of the cylindrical shell 5, so that the integrated visual effect is obtained after assembly, the covering area is increased, and the waterproof effect is improved.

[0029] The waterproof USB3.0 connector structure is integrally injection molded by the terminal and the insulating main body, the connecting structure is compact, the first insulating main body and the second insulating main body are inserted into the cylindrical shell, the cylindrical shell and the first and second insulating main bodies are additionally sealed by the sealing ring, and better waterproof effect is achieved. The utility model is made in parts and used by combination, is simple in structure, and is convenient to make and implement. The cylindrical shell and the first and second insulating main bodies are additionally limited and sealed by the stop top, and the anti-back-off and anti-disconnection are increased, so that the plug-in performance and waterproof performance are greatly improved.

[0030] Although the preferred embodiments of the utility model have been described in detail above with reference to the drawings, the utility model should not be limited to the structure and operation identical to the above description and drawings. For those skilled in the art, many equivalent improvements and changes can be made to the above embodiments by logical analysis, reasoning or limited experiments without exceeding the concept and scope of the utility model, but these improvements and changes should belong to the scope of the utility model.

Claims

1. A waterproof USB 3.0 connector structure, characterized in that, Have: The first insulating body (1) is provided with the first plug-in end (11) and the first welding end (12) which are opposite to each other, and is provided with a cut-shaped groove (111) on the first plug-in end (11), and the first welding end (12) is provided with a radially outwardly convex first top stop portion (121); the first terminal (2) is assembled on the first insulating body (1), and the first terminal (2) and the first insulating body (1) are connected together by injection molding, and the first terminal (2) has a first contact portion (21) extending from the first plug-in end (11), and the first contact portion (21) is distributed on the upper and lower sides of the groove (111); The second insulating body (3) is provided with the second plug-in end (31) and the second welding end (32) which are opposite to each other, and is provided with a tongue (311) on the second plug-in end (31), and the second welding end (32) is provided with a radially outwardly convex second top stop portion (321); the second terminal (4) is assembled on the second insulating body (3), and the second terminal (4) and the second insulating body (3) are connected together by injection molding, and the second terminal (4) has a second contact portion (41) extending to the tongue (311), and the second contact portion (41) is distributed on the upper and lower sides of the tongue (311); The cylindrical shell (5) provides a through plug-in tunnel (51) so that the first plug-in end (11) of the first insulating body (1) is inserted into the plug-in tunnel (51) from one end of the cylindrical shell (5), the first top stop portion (121) is stopped on the corresponding end of the cylindrical shell (5), and the outer periphery of the first insulating body (1) is further provided with a first sealing ring (61) which is inserted into the cylindrical shell (5) and tightly connected with the inner wall of the cylindrical shell (5); the second plug-in end (31) of the second insulating body (3) is inserted into the plug-in tunnel (51) from the other end of the cylindrical shell (5), so that the tongue (311) is inserted into the groove (111) and the first contact portion (21) and the second contact portion (41) are in contact; and the second top stop portion (321) is stopped on the corresponding end of the cylindrical shell (5), and the outer periphery of the second insulating body (3) is further provided with a second sealing ring (62) which is inserted into the cylindrical shell (5) and tightly connected with the inner wall of the cylindrical shell (5).

2. The waterproof USB 3.0 connector structure of claim 1, wherein, The cylindrical shell (5) is a plastic frame, the first top stop portion (121) and the second top stop portion (321) are both ring table structures, so that the first top stop portion (121) and the second top stop portion (321) are respectively capped and stopped on the corresponding ends of the cylindrical shell (5); the first sealing ring (61) is arranged on the inner side of the root of the first top stop portion (121), and the second sealing ring (62) is arranged on the inner side of the root of the second top stop portion (321).

3. The waterproof USB 3.0 connector structure of claim 1 or 2, wherein, The inner side wall of the cylindrical shell (5) is provided with an inner recessed clamping groove (52), and the first insulating body (1) is clamped by the inner recessed clamping groove (52) and the pre-set buckle point (13) to establish the stop-retreating connection between the cylindrical shell (5) and the first insulating body (1).

4. The waterproof USB 3.0 connector structure of claim 1 or 2, wherein, The outer side wall of the cylindrical shell (5) is provided with a buckle ring (53), and the corresponding second insulation main body (3) is provided with a buckling elastic arm (33). The buckling elastic arm (33) protrudes from the second stop top (321) towards the insertion direction of the tongue (311), and a barb (331) is arranged at the protruding end of the buckling elastic arm (33). The buckling elastic arm (33) is inserted into the buckle ring (53) and buckled by the barb (331) to establish the anti-disconnection connection between the cylindrical shell (5) and the second insulation main body (3).

5. The waterproof USB 3.0 connector structure of claim 3, wherein, The inner recessed clamping groove (52) has two and is symmetrically arranged on the left and right sides in the insertion direction of the cylindrical shell. The number and position of the buckling points (13) are matched with the inner recessed clamping groove (52), and the buckling points (13) are integrally formed with the first insulation main body (1) and located between the first stop top (121) and the first sealing ring (61).

6. The waterproof USB 3.0 connector structure of claim 4, wherein, The buckle ring (53) has two and is symmetrically arranged on the left and right sides in the insertion direction of the cylindrical shell. The buckling elastic arm (33) has two and is respectively connected to the buckle rings (53) on the two sides of the cylindrical shell.

7. The waterproof USB 3.0 connector structure of claim 2, wherein, The outer diameter of the second stop top (321) is consistent with the outer diameter of the cylindrical shell (5).

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