USBA terminal assembly and USBA connector

By designing the accommodating slot and inlet structure in the USB terminal assembly, the use of the rear plug is avoided, and the problems of high cost and low assembly efficiency of existing USB connectors are solved, thereby achieving the effect of reducing costs and improving assembly efficiency.

CN222320556UActive Publication Date: 2025-01-07SHENZHEN PRECISION TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420861168.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-01-07
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The commonly used rear plugs in existing USB connectors not only increase costs, but also reduce assembly efficiency.

Method used

Design a USB terminal assembly without a back plug. By setting a housing groove and an inlet structure on the rear of the plastic main body, the upper and lower terminal welding parts can be forced into and stuck in the groove, thereby eliminating the back plug and using a plastic main body. Combination structure with metal shell.

Benefits of technology

Reduce costs and improve assembly efficiency, and simplify the production process of connectors.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222320556U_ABST
    Figure CN222320556U_ABST
Patent Text Reader

Abstract

A USBA terminal assembly and a USBA connector are provided, the terminal assembly comprises a plastic main body, an upper terminal group and a lower terminal group, the plastic main body comprises a main body rear part and a main body tongue piece extending towards one side of the main body rear part, each upper terminal in the upper terminal group comprises an upper terminal main body and an upper terminal contact part located at the front end of the upper terminal main body, and the lower terminal contact part is located at the front end of the upper terminal main body. The upper terminal welding part is positioned at the rear end of the upper terminal main body and is vertical to the upper terminal main body; a first containing groove used for containing an upper terminal welding part is formed in the side, away from the main body tongue piece, of the rear portion of the main body relative to the upper terminal welding part of each upper terminal, a leading-in opening communicated with the outside is formed in the outer side of each first containing groove, and the width of each leading-in opening is smaller than that of the corresponding upper terminal welding part. And the welding part of the upper terminal is forcibly pushed into the first accommodating groove from the lead-in opening. According to the utility model, a rear plug in a traditional connector can be omitted, so that the purposes of reducing the cost and improving the assembly efficiency of the connector can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of USB connectors, and in particular relates to a USBA terminal component and a USBA connector. Background Art

[0002] The USB connector is an electronic device used to connect electronic products to each other. It is widely used in the fields of mobile, audio-visual, automotive electronics, multimedia, and household appliances. Most of the current USBA connectors use a back plug to fix the terminal. For example, there is a USBA connector whose metal terminal is a 90-degree vertical structure. Its horizontal section extends to the tongue of the connector to form a connection PIN for plug-in connection, and its vertical section extends downward to form a plug-in terminal. In order to protect the stability of the vertical section terminal, a terminal fixing block is generally provided on the connector, which is also called a back plug by technicians in this field.

[0003] For another example, Chinese patent document CN219610819 U discloses a USB TYPE connector, including a plastic terminal body, a rear plug assembled at the tail of the plastic terminal body, and a shell that integrally covers the plastic terminal body and the rear plug, wherein the plastic terminal body includes a plastic body and a metal terminal embedded in the plastic body, and vertical first limiting convex strips are arranged on the left and right side surfaces of the rear plug, and the plastic body is correspondingly provided with a first limiting card slot that matches the first limiting convex strip, and the first limiting card slot has an insertion port with an opening facing downward. This USB TYPE connector also belongs to a product with a rear plug.

[0004] If the USBA connector has a rear plug, it will not only increase the cost but also make the assembly inefficient. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a USBA terminal assembly and a USBA connector without a rear plug to the society.

[0006] The technical solution of the utility model is: to provide a USBA terminal assembly, including a plastic body, an upper terminal group and a lower terminal group, the plastic body including a main body rear part and a main body tongue extending to one side of the main body rear part and having a thickness less than that of the main body rear part, each upper terminal in the upper terminal group includes an upper terminal main body and an upper terminal contact part located at the front end of the upper terminal main body, and an upper terminal welding part located at the rear end of the upper terminal main body and perpendicular to the upper terminal main body; on a side of the main body rear part away from the main body tongue piece, a first accommodating groove for accommodating the upper terminal welding part is provided relative to the upper terminal welding part of each upper terminal, an introduction port communicating with the outside is provided on the outer side of the first accommodating groove, the width of the introduction port is less than the width of the upper terminal welding part, and the upper terminal welding part is forcibly pushed into the first accommodating groove from the introduction port.

[0007] As an improvement to the present invention, the introduction port has a first inclined surface and a second inclined surface, and the first inclined surface and the second inclined surface are expanded outward to form a trumpet-shaped guide port.

[0008] As an improvement to the present invention, each lower terminal in the lower terminal group includes a lower terminal body and a lower terminal contact portion located at the front end of the lower terminal body, and a lower terminal welding portion located at the rear end of the lower terminal body and perpendicular to the lower terminal body; on one side of the rear part of the body adjacent to the body tongue, a second accommodating groove for accommodating the lower terminal welding portion is provided relative to the lower terminal welding portion of each lower terminal, and the lower terminal welding portion is inserted into the second accommodating groove from top to bottom.

[0009] As an improvement to the present invention, an upper terminal accommodating groove for accommodating the upper terminal body is provided on the upper bottom surface of the main body tongue.

[0010] As an improvement to the present invention, a lower terminal accommodating groove for accommodating the lower terminal body is provided on the lower bottom surface of the main body tongue piece.

[0011] The utility model also provides a USBA connector, comprising a metal shell, in which a USBA terminal assembly is arranged, and the USBA terminal assembly is the above-mentioned USBA terminal assembly.

[0012] The utility model adopts a structure in which a first accommodating groove for accommodating the upper terminal welding part is provided on a side of the rear part of the main body away from the main body tongue piece, relative to the upper terminal welding part of each upper terminal, an introduction port communicating with the outside is provided on the outer side of the first accommodating groove, the width of the introduction port is smaller than the width of the upper terminal welding part, and the upper terminal welding part is forcibly pushed into the first accommodating groove from the introduction port. In this way, the rear plug in the traditional connector can be saved, thereby achieving the purpose of reducing costs and improving the assembly efficiency of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the USBA terminal assembly of the utility model.

[0014] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure from another perspective.

[0015] Figure 3 yes Figure 1 Schematic diagram of the three-dimensional structure of the upper terminal.

[0016] Figure 4 yes Figure 1 Schematic diagram of the three-dimensional structure of the lower terminal.

[0017] Figure 5 It is a schematic diagram of the three-dimensional exploded structure of the USBA connector of the utility model.

[0018] Figure 6 yes Figure 5 Schematic diagram of the combined three-dimensional structure. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4 , Figures 1 to 4 Disclosed is a USBA terminal assembly, including a plastic body 1, an upper terminal group 2 and a lower terminal group 3. In this embodiment, the upper terminal group 2 is 5PIN, and the lower terminal group 3 is 4PIN. The plastic body 1 includes a body rear portion 11 and a body tongue 12 extending to one side of the body rear portion 11 and having a thickness less than that of the body rear portion 11. Each upper terminal 21 in the upper terminal group 2 includes an upper terminal body 211 and an upper terminal contact portion 212 located at the front end of the upper terminal body 211, and an upper terminal welding portion 213 located at the rear end of the upper terminal body 211 and perpendicular to the upper terminal body 211 (see Figure 3 ); On the side of the main body rear part 11 away from the main body tongue piece 12, a first receiving groove 111 for receiving the upper terminal welding part 213 is provided relative to the upper terminal welding part 213 of each upper terminal 21, and an introduction port 112 communicating with the outside is provided on the outer side of the first receiving groove 111, and the width of the introduction port 112 is slightly smaller than the width of the upper terminal welding part 213, allowing the upper terminal welding part 213 to be forcibly pushed into the first receiving groove 111 from the introduction port 112, and the upper terminal welding part 213 is stuck in the first receiving groove 111. In this way, the utility model can save the back plug.

[0020] Preferably, the introduction port 112 has a first inclined surface 1121 and a second inclined surface 1122 , and the first inclined surface 1121 and the second inclined surface 1122 are expanded outward to form a trumpet-shaped guide port, so as to facilitate the introduction of the upper terminal welding portion 213 into the first receiving groove 111 .

[0021] Preferably, each lower terminal 31 in the lower terminal group 3 includes a lower terminal body 311, a lower terminal contact portion 312 located at the front end of the lower terminal body 311, and a lower terminal welding portion 313 located at the rear end of the lower terminal body 311 and perpendicular to the lower terminal body 311 (see Figure 4 ); On one side of the main body rear portion 11 adjacent to the main body tongue 12, a second accommodating groove 113 for accommodating the lower terminal welding portion 313 is provided relative to the lower terminal welding portion 313 of each lower terminal 31, and the lower terminal welding portion 313 is inserted into the second accommodating groove 113 from top to bottom.

[0022] Preferably, an upper terminal accommodating groove 121 for accommodating the upper terminal body 211 is provided on the upper bottom surface of the main body tongue piece 12 .

[0023] Preferably, a lower terminal accommodating groove (not visible in the figure) for accommodating the lower terminal body 311 is provided on the lower bottom surface of the main body tongue piece 12 .

[0024] See also Figure 5 and Figure 6 The utility model also provides a USBA connector, including a metal shell 4, in which a USBA terminal assembly is arranged, and the USBA terminal assembly is the above-mentioned USBA terminal assembly.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A USBA terminal assembly, comprising a plastic body (1), an upper terminal group (2) and a lower terminal group (3), wherein the plastic body (1) comprises a body rear portion (11) and a body tongue (12) extending toward one side of the body rear portion (11) and having a thickness less than that of the body rear portion (11), and each upper terminal (21) in the upper terminal group (2) comprises an upper terminal body (211), an upper terminal contact portion (212) located at a front end of the upper terminal body (211), and an upper terminal welding portion (213) located at a rear end of the upper terminal body (211) and perpendicular to the upper terminal body (211); characterized in that: On a side of the rear portion (11) of the main body away from the main body tongue (12), a first accommodating groove (111) for accommodating the upper terminal welding portion (213) is provided relative to the upper terminal welding portion (213) of each upper terminal (21), and an introduction port (112) communicating with the outside is provided on the outer side of the first accommodating groove (111), and the width of the introduction port (112) is smaller than the width of the upper terminal welding portion (213), and the upper terminal welding portion (213) is forcibly pushed into the first accommodating groove (111) from the introduction port (112).

2. The USBA terminal assembly according to claim 1, characterized in that: The introduction port (112) has a first inclined surface (1121) and a second inclined surface (1122), and the first inclined surface (1121) and the second inclined surface (1122) are expanded outward to form a trumpet-shaped guide port.

3. The USBA terminal assembly according to claim 1 or 2, characterized in that: Each lower terminal (31) in the lower terminal group (3) comprises a lower terminal body (311), a lower terminal contact portion (312) located at the front end of the lower terminal body (311), and a lower terminal welding portion (313) located at the rear end of the lower terminal body (311) and perpendicular to the lower terminal body (311); a second accommodating groove (113) for accommodating the lower terminal welding portion (313) is provided on one side of the rear part (11) of the main body adjacent to the main body tongue (12) relative to the lower terminal welding portion (313) of each lower terminal (31), and the lower terminal welding portion (313) is inserted into the second accommodating groove (113) from top to bottom.

4. The USBA terminal assembly according to claim 1 or 2, characterized in that: An upper terminal accommodating groove (121) for accommodating an upper terminal main body (211) is provided on the upper bottom surface of the main body tongue piece (12).

5. The USBA terminal assembly according to claim 1 or 2, characterized in that: A lower terminal accommodating groove for accommodating a lower terminal main body (311) is provided on the lower bottom surface of the main body tongue piece (12).

6. A USBA connector, comprising a metal housing (4), wherein a USBA terminal assembly is arranged in the metal housing (4), characterized in that: The USBA terminal assembly is the USBA terminal assembly described in any one of claims 1 to claim 5.

Citation Information

Patent Citations

  • USB TYPE connector

    CN219610819U