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JP-2026075612-A - Grounding springs, grounding terminal assemblies, and connectors

JP2026075612AJP 2026075612 AJP2026075612 AJP 2026075612AJP-2026075612-A

Abstract

[Problem] To disclose a grounding spring, grounding terminal assembly, and connector having a simple structure, thereby simplifying the connector structure and reducing the number of connector parts, and thus reducing costs and improving production efficiency. [Solution] The grounding spring comprises a C-shaped clamp portion adapted to clamp the grounding terminal of the connector and make electrical contact with the grounding terminal, and an elastic contact portion adapted to abut against the inside of the outer shield shell of the connector and make electrical contact with the outer shield shell, and the grounding spring is configured to electrically connect the grounding terminal to the outer shield shell. [Selection Diagram] Figure 4

Inventors

  • ハート フゥア フゥー
  • ヨン クリス ワン
  • インチゥエン デヴィッド ワン
  • フゥイ ブレイズ パァン

Assignees

  • タイコ エレクトロニクス （シャンハイ） カンパニー リミテッド
  • シバス エレクトロニクス （シアメン） カンパニー リミテッド

Dates

Publication Date
20260508
Application Date
20251017
Priority Date
20241022

Claims (16)

  1. It is a ground spring, A C-shaped clamp portion (11) is fitted to clamp the ground terminal (2) of the connector (400) and to make electrical contact with the ground terminal (2), The connector (400) comprises an elastic contact portion (12) that abuts against the inside of the outer shield shell (5) and is adapted to make electrical contact with the outer shield shell (5), The grounding spring (1) is configured to electrically connect the grounding terminal (2) to the outer shield shell (5).
  2. The grounding spring (1) is formed by bending a circular conductor having a predetermined length, and the grounding spring (1) can be made into an integral part, as described in claim 1.
  3. The grounding spring according to claim 1, further comprising a fixing portion (13), the fixing portion (13) being located between the C-shaped clamp portion (11) and the elastic contact portion (12), and being adapted to be clamped into a slot (33) of the terminal holder (3) for attaching the grounding spring (1) to the terminal holder (3) of the connector (400).
  4. The grounding spring (1) has a front end and a rear end opposite to each other in the axial direction of the C-shaped clamp portion (11), and the C-shaped clamp portion (11) is located at the front end of the grounding spring (1) and is adapted to abut axially against the front end surface (3a) of the terminal holder (3) to position the front end of the grounding spring (1) in the axial direction, as described in claim 3.
  5. The grounding spring (1) further comprises a positioning portion (14) located at the rear end and adapted to be positioned in the positioning slot (34) of the terminal holder (3), The grounding spring according to claim 4, wherein when the grounding spring (1) is attached to the terminal holder (3), the positioning portion (14) abuts axially against the inner wall surface of the positioning slot (34) to position the rear end of the grounding spring (1) in the axial direction.
  6. The grounding spring (1) comprises two fixing parts (13), two elastic contact parts (12), and two positioning parts (14), the two fixing parts (13) being connected to both ends of the C-shaped clamp part (11), The grounding spring according to claim 5, wherein one elastic contact portion (12) is connected between one fixed portion (13) and one positioning portion (14), and the other elastic contact portion (12) is connected between the other fixed portion (13) and the other positioning portion (14).
  7. The grounding spring according to claim 1, wherein the elastic contact portion (12) is U-shaped, and when the grounding spring (1) is attached to the terminal holder (3), the elastic contact portion (12) protrudes from the terminal holder (3) by a predetermined height and electrically contacts the inside of the outer shield shell (5).
  8. A grounding terminal assembly (100), Grounding terminal (2), A grounding spring (1) according to any one of claims 1 to 7, wherein the C-shaped clamp portion (11) of the grounding spring (1) is clamped to the grounding terminal (2) and electrically contacts the grounding terminal (2), comprising: The grounding terminal assembly (100) is configured such that the elastic contact portion (12) of the grounding spring (1) electrically contacts the inside of the outer shield shell (5) of the connector (400), thereby electrically connecting the grounding terminal (2) to the outer shield shell (5).
  9. It is a connector, A terminal holder (3) having a plurality of terminal mounting slots (30) formed on the outer circumferential surface of the terminal holder (3), A grounding terminal assembly (100) according to claim 8, wherein the grounding terminal (2) of the grounding terminal assembly (100) is attached to one terminal mounting slot (30) of the terminal holder (3), The outer shield shell (5) comprises the terminal holder (3) and the grounding terminal assembly (100) which are inserted into the outer shield shell (5), The elastic contact portion (12) of the grounding spring (1) abuts against the inside of the outer shield shell (5), thereby electrically connecting the grounding terminal (2) to the outer shield shell (5), forming a connector.
  10. The device further comprises an inner insulating shell (4), the terminal holder (3) and the grounding terminal assembly (100) are inserted into the inner insulating shell (4), The connector according to claim 9, wherein the inner insulating shell (4) is inserted into the outer shield shell (5), a slot hole (42) is formed in the inner insulating shell (4), and the elastic contact portion (12) of the grounding spring (1) protrudes from the inner insulating shell (4) through the slot hole (42) and abuts against the inner side of the outer shield shell (5).
  11. The connector according to claim 9, wherein a slot (33) is formed in the terminal holder (3), and the fixing portion (13) of the grounding spring (1) is clamped to the slot (33) so that the grounding spring (1) is held by the terminal holder (3).
  12. The plurality of terminal mounting slots (30) extend along the axial direction of the terminal holder (3) and are spaced apart in the circumferential direction of the terminal holder (3). The connector according to claim 9, wherein the C-shaped clamp portion (11) of the grounding spring (1) abuts axially against the front end surface (3a) of the terminal holder (3) to position the front end of the grounding spring (1) in the axial direction.
  13. The connector according to claim 12, wherein a positioning slot (34) is formed in the terminal holder (3), and the positioning portion (14) of the grounding spring (1) is positioned in the positioning slot (34) of the terminal holder (3), and contacts the inner wall surface of the positioning slot (34) in the axial direction to position the rear end of the grounding spring (1).
  14. The connector according to claim 9, further comprising a plurality of power terminals, each of which is mounted in one corresponding terminal mounting slot (30) of the terminal holder (3).
  15. A grounding wire electrically connected to the rear end of the grounding terminal (2), The system further comprises a plurality of power lines electrically connected to the rear ends of the plurality of power terminals, The connector according to claim 14, wherein the ground wire and the plurality of power lines extend from the rear end of the outer shield shell (5).
  16. The front end of the grounding terminal (2) is fitted to fit the mating grounding terminal of the mating connector, and the rear end of the grounding terminal (2) is fitted to be crimped onto the grounding wire. The connector according to claim 15, wherein the front end of the power terminal is fitted to the mating power terminal of the mating connector, and the rear end of the power terminal is fitted to be crimped onto the power line.

Description

Cross-reference of related applications: This application claims the interests of Chinese Patent Application CN202422558153.X, filed with the China National Intellectual Property Administration on 22 October 2024, the entire disclosure of which is incorporated herein by reference. This invention relates to a grounding spring, a grounding terminal assembly comprising a grounding spring, and a connector comprising a grounding terminal assembly. In the prior art, power connectors generally comprise a terminal holder, power terminals and ground terminals attached to the terminal holder, an inner insulating shell fitted to the terminal holder, and an outer shield shell fitted to the inner insulating shell. In the prior art, to achieve electrical connection between the ground terminal and the outer shield shell, a cylindrical grounding member is typically fitted to the ground terminal, with the flange portion of the cylindrical grounding member electrically contacting the outer shield shell. However, the structure of the cylindrical grounding member is complex, leading to increased complexity in the structures of the inner insulating shell and outer shield shell. Furthermore, the need for additional parts for positioning and mounting the cylindrical grounding member increases the cost of the connector and reduces its production efficiency. This is a descriptive perspective view of a grounding terminal assembly according to an exemplary embodiment of the present invention.This is a descriptive perspective view of a grounding spring according to an exemplary embodiment of the present invention.This is an exploded view illustrating an exemplary embodiment of the grounding terminal assembly and terminal holder of the present invention, as seen from the front.This is an explanatory assembly diagram of an exemplary embodiment of the grounding terminal assembly and terminal holder of the present invention, viewed from the front.This is an exploded view illustrating an exemplary embodiment of the grounding terminal assembly and terminal holder of the present invention, as seen from the rear.This is an explanatory assembly diagram of an exemplary embodiment of the present invention, showing the grounding terminal assembly and terminal holder as viewed from the rear.An exploded view illustrating an insert module and inner insulating shell according to an exemplary embodiment of the present invention.This is an explanatory assembly diagram of an insert module and an inner insulating shell according to an exemplary embodiment of the present invention.This is an exploded view illustrating a connector module and outer shield shell according to an exemplary embodiment of the present invention.This is an explanatory assembly diagram of a connector module and an outer shield shell according to an exemplary embodiment of the present invention. Illustrative embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals refer to the same elements. However, this disclosure can be embodied in many different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are provided to make this disclosure thorough and complete, and to fully convey the concepts of this disclosure to those skilled in the art. The following detailed description includes numerous specific details for illustrative purposes to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments can be carried out without these specific details. In other examples, well-known structures and devices are shown schematically for the sake of simplifying the drawings. According to the general concept of the present invention, a grounding spring is provided. The grounding spring comprises a C-shaped clamping portion adapted to clamp the grounding terminal of a connector and to make electrical contact with the grounding terminal, and an elastic contact portion adapted to abut against the inside of the outer shield shell of the connector and to make electrical contact with the outer shield shell, wherein the grounding spring is configured to electrically connect the grounding terminal to the outer shield shell. According to another general concept of the present invention, a grounding terminal assembly is provided. The grounding terminal assembly comprises a grounding terminal and a grounding spring, the grounding spring having a C-shaped clamping portion that clamps onto the grounding terminal and electrically contacts the grounding terminal. The elastic contact portion of the grounding spring is configured to electrically contact the inside of the outer shield shell of the connector, thereby electrically connecting the grounding terminal to the outer shield shell. According to another general concept of the present invention, a connector is provided. The connector comprises