Anti-warping PIN structure of MiniUSB connector

By using a C-shaped rigid anti-warping restraint and limiter structure in the Mini USB connector, the PIN pin warping problem is solved, the stability and life of the connector are improved, and the production cost is reduced.

CN223363446UActive Publication Date: 2025-09-19SHENZHEN ZHONGZHI POWER TECH CO LTD
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Patent Information

Application Number
CN202422635017.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-19
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The connection terminals (PINs) of Mini USB connectors are easily affected by external forces during insertion or removal, causing warping, which affects the stability and service life of the connector. Existing methods of increasing the hardness of the PIN pins and improving the materials have limited effects.

Method used

A C-shaped rigid anti-warping restraint plate is used to press the connection terminal through the first horizontal limit plate to limit the vertical movement of the PIN foot and prevent warping. The embedded groove and inclined surface structure are used together in the design to ensure the connection effect.

Benefits of technology

Effectively prevent PIN pin warping, improve connector stability and service life, and reduce manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-warping PIN structure of a Mini USB connector, which comprises an outer metal shell, an installation main body arranged at the inner side of the outer metal shell, a rear installation body arranged at the other side of the installation main body, a flat cable terminal arranged at the bottom of the rear installation body, a plurality of connecting terminals embedded at the inner side of the installation main body, and an anti-warping binding sheet arranged at one end of each connecting terminal. The anti-warping binding sheet is a C-shaped rigid sheet, the upper portion and the lower portion of the anti-warping binding sheet are provided with a first transverse limiting sheet and a second transverse limiting sheet respectively, the first transverse limiting sheet is located above the end of the connecting terminal, and one end of the first transverse limiting sheet is designed to be an inclined plane; the connector has the advantages of simple structure, high stability and capability of preventing the connection terminal from being easily influenced by external force to cause the tilting of the PINs.
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Description

Technical Field

[0001] The utility model belongs to the technical field of USB connectors, and in particular relates to an anti-warping PIN structure of a Mini USB connector. Background Art

[0002] Mini USB connectors are a small USB interface standard, available in Type A, Type B, and Type AB. They are compact, portable, and durable. They are commonly used to connect devices such as mobile devices and digital cameras for data transfer and charging.

[0003] In common Mini USB connector designs, the pins (pins) are susceptible to external forces during insertion and removal, causing them to warp. This directly impacts the connector's stability and lifespan. Common solutions rely on increasing the pin's hardness or improving its material, but these methods often increase manufacturing costs and still struggle to prevent warping over time. Utility Model Content

[0004] The purpose of the present invention is to provide a Mini USB connector anti-warping PIN structure in order to solve the problem that the common USB connector connection terminal (PIN) is easily affected by external forces and causes the PIN pin to warp.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions: it includes an outer metal shell, an installation body is installed on the inner side of the outer metal shell, a rear installation body is provided on the other side of the installation body, a wiring terminal is provided at the bottom of the rear installation body, a plurality of connecting terminals are embedded on the inner side of the installation body, an anti-warping restraint piece is provided at one end of the connecting terminal, the anti-warping restraint piece is a C-shaped rigid sheet, the upper and lower parts of the anti-warping restraint piece are respectively provided with a first transverse limiting piece and a second transverse limiting piece, the first transverse limiting piece is located above the end of the connecting terminal, and one end of the first transverse limiting piece is designed as a slope.

[0006] Furthermore, the installation body is provided with embedding grooves at the positions of the first transverse limiting piece and the second transverse limiting piece.

[0007] Furthermore, the middle section of the anti-warping restraint piece passes through the installation body, and the first transverse limiting piece and the second transverse limiting piece are stuck into the inner sides of the two embedded grooves and fit together.

[0008] Furthermore, a protrusion is provided on the connecting terminal.

[0009] Furthermore, the wiring terminal is electrically connected to the connecting terminal.

[0010] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:

[0011] In the solution of the present utility model, an anti-warping restraint sheet is provided to solve the problem that the PIN pin of the USB connector is easily warped in the prior art. The anti-warping restraint sheet adopts a C-shaped rigid sheet and presses the connection terminal through the first horizontal limiting sheet on the upper part, which can effectively limit the vertical movement of the PIN pin, thereby preventing the occurrence of warping. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0014] Figure 3 It is a partial structural sectional view of the utility model.

[0015] In the figure: 1-outer metal shell, 2-mounting body, 3-rear mounting body, 4-cable terminal, 5-connection terminal, 6-anti-warping restraint plate;

[0016] 201-embedded groove, 501-raised portion, 601-first transverse limiting piece, 602-second transverse limiting piece. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Combine Figures 1 to 3 The anti-warping PIN structure of a Mini USB connector shown includes an outer metal shell 1, an installation body 2 is installed on the inner side of the outer metal shell 1, a rear installation body 3 is provided on the other side of the installation body 2, a cable terminal 4 is provided at the bottom of the rear installation body 3, a number of connecting terminals 5 are embedded on the inner side of the installation body 2, and an anti-warping restraint piece 6 is provided at one end of the connecting terminal 5. The anti-warping restraint piece 6 is a C-shaped rigid sheet. The upper and lower parts of the anti-warping restraint piece 6 are respectively provided with a first horizontal limiting piece 601 and a second horizontal limiting piece 602. The first horizontal limiting piece 601 is located above the end of the connecting terminal 5, and one end of the first horizontal limiting piece 601 is designed as a bevel.

[0019] The installation body 2 is provided with an embedding groove 201 at the positions of the first transverse limiting piece 601 and the second transverse limiting piece 602 .

[0020] The middle section of the anti-warping restraint piece 6 passes through the installation body 2 , and the first transverse limiting piece 601 and the second transverse limiting piece 602 are inserted into the inner sides of the two embedding grooves 201 and fit together.

[0021] The connecting terminal 5 is provided with a protrusion 501 .

[0022] The cable terminals 4 are electrically connected to the connection terminals 5 .

[0023] Working principle: During use, the utility model can effectively limit the lateral movement of the PIN pin by pressing the connecting terminal 5 with the first lateral limiting piece 601 arranged on the upper part of the anti-warping restraint piece 6, thereby preventing the occurrence of warping. At the same time, the end of the first lateral limiting piece 601 is designed with a bevel to avoid lowering the upper convex height of the connecting terminal 5 and affecting the connection effect.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0025] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A MiniUSB connector anti-warping PIN structure, comprising an outer metal shell (1), characterized in that: A mounting body (2) is installed on the inner side of the outer metal shell (1), a rear mounting body (3) is provided on the other side of the mounting body (2), a wiring terminal (4) is provided at the bottom of the rear mounting body (3), a plurality of connecting terminals (5) are embedded on the inner side of the mounting body (2), an anti-warping restraint piece (6) is provided at one end of the connecting terminal (5), the anti-warping restraint piece (6) is a C-shaped rigid sheet, the upper and lower parts of the anti-warping restraint piece (6) are respectively provided with a first transverse limiting piece (601) and a second transverse limiting piece (602), the first transverse limiting piece (601) is located above the end of the connecting terminal (5), and one end of the first transverse limiting piece (601) is designed as a bevel.

2. The MiniUSB connector anti-warping PIN structure according to claim 1, characterized in that: The installation body (2) is provided with embedding grooves (201) at the positions of the first transverse limiting piece (601) and the second transverse limiting piece (602).

3. The MiniUSB connector anti-warping PIN structure according to claim 2, characterized in that: The middle section of the anti-warping restraint piece (6) passes through the installation body (2), and the first transverse limiting piece (601) and the second transverse limiting piece (602) are inserted into the inner sides of the two embedding grooves (201) and fit in place.

4. The MiniUSB connector anti-warping PIN structure according to claim 3, characterized in that: The connecting terminal (5) is provided with a protruding portion (501).

5. The MiniUSB connector anti-warping PIN structure according to claim 4, characterized in that: The wiring terminal (4) is electrically connected to the connecting terminal (5).