Anti-electromagnetic interference waterproof USB TYPE C connector

Abstract

The utility model discloses a waterproof USB TYPEC connector capable of resisting electromagnetic interference. Comprising a terminal body, an inner iron shell which sleeves the front end of the terminal body, an outer iron shell which covers the rear end of the terminal body and extends to the inner iron shell, and a positioning sheet which is fixed on the inner wall of the inner iron shell through laser welding and is used for stopping the insertion of a plug, the waterproof ring is sleeved at the front end of the inner iron shell; the waterproof part is filled between the terminal body and the inner iron shell; the inner iron shell is electrically conducted with the outer iron shell and the positioning sheet; the terminal body comprises a first terminal set, a middle clamping piece, a second terminal set and a plastic insulator integrally formed outside the first terminal set, the middle clamping piece and the second terminal set, and a first guide plate and a second guide plate are arranged on the two sides of the root of a tongue plate part of the plastic insulator. And the first guide plate and the second guide plate are in contact with the positioning sheet to form electrical conduction.

Description

Technical Field

[0001] The utility model relates to the field of USB connectors, in particular to a waterproof USB TYPE C connector that is resistant to electromagnetic interference. Background Art

[0002] In modern life, as various electronic products fill people's lives, electronic connectors have become indispensable products in people's lives. Mobile phones, tablets, televisions, etc. all require electronic connectors. However, most electronic connectors on the market use welding technology, which has the disadvantages of low yield and easy damage.

[0003] In order to solve the above-mentioned shortcomings, people are constantly looking for solutions, such as the Chinese utility model patent with application number 202320593530.6, which discloses a split connector plug terminal and a connector plug, including a terminal seat with an insertion cavity formed along the axial direction, a conductive terminal arranged in the insertion cavity, and a fixing member for fixing the conductive terminal in the insertion direction of the connector plug, wherein a positioning groove is formed on one side of the fixing member facing the terminal seat and the conductive terminal, one end of the conductive terminal abuts against the inner wall of the terminal seat, and the other end is positioned together with the terminal seat in the positioning groove; the conductive terminal of the utility model is fixed to the terminal seat by riveting, which is easy to assemble and has a firm connection compared with the traditional welding process, and can effectively improve the connection reliability of the connector.

[0004] However, after the connector plug of the above structure is powered on, there is a large electromagnetic interference, the overall sealing and waterproof performance are poor, and the terminals are less wrapped in plastic. When the plug is inserted off-center, the terminals are easily damaged and have a short service life. Utility Model Content

[0005] In view of this, the utility model provides a waterproof USB TYPE C connector that is resistant to electromagnetic interference.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electromagnetic interference resistant waterproof USBTYPE C connector, comprising: a terminal body, an inner iron shell sleeved on the front end of the terminal body, an outer iron shell covered and installed on the rear end of the terminal body and extending to the inner iron shell, a positioning piece fixed on the inner wall of the inner iron shell by laser welding and used to stop the plug insertion, the inner iron shell forms electrical conduction with the outer iron shell and the positioning piece; the terminal body comprises a first terminal group, a middle clip, a second terminal group and a plastic insulator integrally formed on the outside of the first terminal group, the middle clip and the second terminal group, wherein the first terminal group comprises a plurality of spaced upper row terminals and a first fixing piece integrally formed with the upper row terminals, the second terminal group comprises a plurality of spaced lower row terminals and a second fixing piece integrally formed with the lower row terminals, characterized in that a first guide plate and a second guide plate of the same structure are arranged on both sides of the root of the tongue plate portion of the plastic insulator, the first guide plate and the second guide plate are in contact with the positioning piece and form electrical conduction.

[0007] Furthermore, in the above technical solution, a first groove corresponding to the first guide plate and a second groove corresponding to the second guide plate are respectively formed on both sides of the root of the tongue portion of the plastic insulator.

[0008] Furthermore, in the above technical solution, a first welding foot for welding and fixing with the positioning plate is formed on the first guide plate, and a second welding foot for welding and fixing with the positioning plate is formed on the second guide plate.

[0009] Furthermore, in the above technical solution, a first fixing foot for fixing to the plastic insulator is formed on the first guide plate, and a second fixing foot for fixing to the plastic insulator is formed on the second guide plate.

[0010] Furthermore, in the above technical solution, a first slot cooperating with the first fixing leg is formed at the root of the first fixing member, and a slot cooperating with the second fixing leg is formed at the root of the second fixing member.

[0011] Furthermore, in the above technical solution, the upper row terminals and the lower row terminals are symmetrically distributed on both sides of the middle clip and present a "duckbill" structure, and the "duckbill" structure is fixed by integral injection molding of the plastic insulator.

[0012] Furthermore, in the above technical solution, a waterproof ring is provided at the front end of the inner iron shell. The waterproof ring is liquid silicone and is integrally formed with the inner iron shell.

[0013] Furthermore, in the above technical solution, a waterproof component is filled between the rear end of the terminal body and the inner iron shell, and the waterproof component is silicone or epoxy resin glue.

[0014] Furthermore, in the above technical solution, at least two positioning posts for positioning are formed on the lower end surface of the plastic insulator.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0016] 1. The first guide plate and the second guide plate are electrically connected to the positioning plate, the inner iron shell and the outer iron shell, which has a grounding effect and improves the overall anti-electromagnetic interference performance of the product.

[0017] 2. A waterproof ring is provided at the front end of the inner iron shell, and waterproof components are filled between the terminal body and the inner iron shell, so that the product has better sealing performance, and the waterproof ring is integrally formed with the inner iron shell using liquid silicone, so that the bonding force between the waterproof ring and the inner iron shell is stronger. When the product cooperates with the mechanism, the waterproof ring is not easy to deform or shift to cause water or air leakage in the product; the positioning piece fixed to the inner wall of the inner iron shell by laser welding and used to stop the plug insertion can prevent damage to the product when the plug is inserted.

[0018] 3. The upper row of terminals and the lower row of terminals are symmetrically distributed on both sides of the middle clip and present a "duckbill" structure, and the "duckbill" structure is fixed by integral injection molding of the plastic insulator, with excellent bonding strength to avoid damage to the terminals when the plug is inserted obliquely; the upper and lower end faces of the inner iron shell are respectively provided with contact bulges, and after the plug is inserted, it can fit more closely with the inner iron shell, thereby improving the current resistance performance of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 It is an exploded view of the utility model;

[0021] Figure 2 A three-dimensional diagram of the guide plate of the utility model;

[0022] Figure 3 This is a three-dimensional diagram of the utility model without the inner iron shell and the outer iron shell;

[0023] Figure 4 For the utility model Figure 3 A three-dimensional diagram of the base with the insulating plastic seat further removed;

[0024] Figure 5 For this utility model Figure 4Another perspective stereogram;

[0025] Figure 6 It is a right side cross-sectional view of the utility model. DETAILED DESCRIPTION

[0026] The utility model will now be further described in detail with reference to the accompanying drawings.

[0027] like Figure 1-Figure 6 As shown, it is a waterproof USB TYPE C connector with anti-electromagnetic interference, which includes: a terminal body, an inner iron shell 2 sleeved on the front end of the terminal body, an outer iron shell 3 mounted on the rear end of the terminal body and extending to the inner iron shell 2, and a positioning piece 4 fixed to the inner wall of the inner iron shell 2 by laser welding and used to stop the plug insertion, and the inner iron shell 2 forms electrical conduction with the outer iron shell 3 and the positioning piece 4; the terminal body includes a first terminal group 11, a middle clip 13, a second terminal group 12 and a plastic insulator 14 integrally formed on the outside of the first terminal group 11, the middle clip 13 and the second terminal group 12, wherein the first terminal group 11 includes There are a plurality of upper row terminals 111 arranged at intervals and a first fixing member 112 integrally formed with the upper row terminals 111, the second terminal group 12 includes a plurality of lower row terminals 121 arranged at intervals and a second fixing member 122 integrally formed with the lower row terminals 121, and a first guide plate 7 and a second guide plate 8 of the same structure are arranged on both sides of the root of the tongue portion of the plastic insulator 14, the first guide plate 7 and the second guide plate 8 are in contact with the positioning plate 4 and form electrical conduction, and the point plate is also electrically conductive with the inner iron shell and the outer iron shell, thereby achieving a grounding effect and improving the product's anti-electromagnetic interference performance.

[0028] A first groove 141 corresponding to the first guide plate 7 and a second groove 140 corresponding to the second guide plate 8 are respectively provided on both sides of the root of the tongue plate portion of the plastic insulator 14. A first fixing foot 72 for fixing to the plastic insulator 14 is formed on the first guide plate 7, and a second fixing foot 82 for fixing to the plastic insulator 14 is formed on the second guide plate 8. A first card 1121 matching with the first fixing foot 72 is formed at the root of the first fixing member 112, and a card groove 1221 matching with the second fixing foot 82 is formed at the root of the second fixing member 122, so that the first guide plate 7 and the second guide plate 8 can be better fixed inside the connector.

[0029] The first guide plate 7 is formed with a first welding foot 71 for welding and fixing to the positioning plate 4, and the second guide plate 8 is formed with a second welding foot 81 for welding and fixing to the positioning plate. The first guide plate 7 and the second guide plate 8 are connected and fixed to the positioning plate 4 by welding, and the conductive effect is more stable.

[0030] The upper row of terminals 111 and the lower row of terminals 121 are symmetrically distributed on both sides of the middle clip 13 and present a "duckbill" structure, and the "duckbill" structure is fixed by integral injection molding of the plastic insulator 14, so that the bonding strength between the terminal and the plastic is more superior, which can avoid damage to the terminal when the plug is inserted obliquely.

[0031] A waterproof ring 5 is sleeved on the front end of the inner iron shell 2. The waterproof ring 5 is made of liquid silicone and is integrally formed with the inner iron shell 2. When the product is in cooperation with the mechanism, the waterproof ring 5 is not easily deformed or displaced to cause water or air leakage in the product.

[0032] A waterproof component 6 is filled between the rear end of the terminal body and the inner iron shell 2. The waterproof component 6 is made of silica gel or epoxy resin glue. Adding the waterproof component 6 can better improve the sealing of the product.

[0033] At least two positioning posts 142 are formed on the lower end surface of the plastic insulator 14 for positioning, so that the utility model can be stably assembled on the PCB board.

[0034] In summary, when the utility model is assembled, the upper row of terminals 111 and the first fixing member 112 are firstly formed into a first terminal group 11 by a first in-mold injection molding, and the lower row of terminals 121 and the second fixing member 122 are then formed into a second terminal group 12 by a second in-mold injection molding; further, the first terminal group 11 and the second terminal group 12 are correspondingly superimposed on both sides of the middle clip 13, and the first terminal group 11 and the second terminal group 12 and the middle clip 13 are fixed together by welding, and then the first terminal group 11 and the second terminal group 12 and the middle clip 13 are formed into a second terminal group 12 by a third in-mold injection molding. 3 is wrapped and formed into a plastic insulator 14 on the outside, and the first guide plate 7 and the second guide plate 8 are installed. Further, the inner iron shell 2 is formed into a whole by a stretching process, and the positioning piece 4 is welded to the inner wall of the inner iron shell 2 by laser, and then the waterproof ring 5 is wrapped around the front end of the inner iron shell 2 by liquid silicone molding technology; further, after the waterproof component 6 is filled on the plastic insulator 14, the inner iron shell 2 is sleeved on the front end of the plastic insulator 14, and then the outer iron shell 3 is covered on the rear end of the plastic insulator 14, and finally the inner iron shell 2 and the outer iron shell 3 are welded together, thereby completing the assembly of the connector.

[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waterproof USB TYPE C connector with anti-electromagnetic interference, comprising: A terminal body, an inner iron shell (2) sleeved on the front end of the terminal body, an outer iron shell (3) mounted on the rear end of the terminal body and extending to the inner iron shell (2), and a positioning piece (4) fixed to the inner wall of the inner iron shell (2) by laser welding and used for inserting a plug into a stop position, wherein the inner iron shell (2) forms electrical conduction with the outer iron shell (3) and the positioning piece (4); the terminal body comprises a first terminal group (11), a middle clip (13), a second terminal group (12), and a plastic insulator (14) integrally formed on the outside of the first terminal group (11), the middle clip (13) and the second terminal group (12). ), wherein the first terminal group (11) includes a plurality of upper row terminals (111) arranged at intervals and a first fixing member (112) integrally formed with the upper row terminals (111), and the second terminal group (12) includes a plurality of lower row terminals (121) arranged at intervals and a second fixing member (122) integrally formed with the lower row terminals (121), characterized in that a first guide plate (7) and a second guide plate (8) having the same structure are arranged on both sides of the root of the tongue plate portion of the plastic insulator (14), and the first guide plate (7) and the second guide plate (8) are in contact with the positioning plate (4) and form electrical conduction.

2. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 1, characterized in that: A first groove (141) corresponding to the first guide plate (7) and a second groove (140) corresponding to the second guide plate (8) are respectively formed on both sides of the root of the tongue plate portion of the plastic insulator (14).

3. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 2, characterized in that: The first guide plate (7) is formed with a first welding foot (71) for welding and fixing with the positioning plate, and the second guide plate (8) is formed with a second welding foot (81) for welding and fixing with the positioning plate.

4. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 3, characterized in that: The first guide plate (7) is formed with a first fixing foot (72) for fixing to the plastic insulator (14), and the second guide plate (8) is formed with a second fixing foot (82) for fixing to the plastic insulator (14).

5. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 4, characterized in that: The root of the first fixing member (112) is formed with a first slot (1121) that cooperates with the first fixing leg (72), and the root of the second fixing member (122) is formed with a slot (1221) that cooperates with the second fixing leg (82).

6. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 5, characterized in that: The upper row of terminals (111) and the lower row of terminals (121) are symmetrically distributed on both sides of the middle clip (13) and present a "duckbill" structure, and the "duckbill" structure is fixed by integral injection molding of the plastic insulator (14).

7. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 6, characterized in that: The front end of the inner iron shell (2) is sleeved with a waterproof ring (5), the waterproof ring (5) is liquid silicone and is integrally formed with the inner iron shell (2).

8. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 7, characterized in that: A waterproof component (6) is filled between the rear end of the terminal body and the inner iron shell (2), and the waterproof component (6) is silica gel or epoxy resin glue.

9. The anti-electromagnetic interference waterproof USB TYPE C connector according to claim 8, characterized in that: At least two positioning posts (142) for positioning are formed on the lower end surface of the plastic insulator (14).

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