Connector and connector assembly

By designing a connector with floating terminals and elastic supports, the application problem of existing power connectors in space-constrained situations has been solved, achieving high current carrying capacity and structural compactness, and expanding the application range.

CN224164415UActive Publication Date: 2026-04-24TYCO ELECTRONICS (SHANGHAI) CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TYCO ELECTRONICS (SHANGHAI) CO LTD
Filing Date
2025-04-29
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing power connectors have small contact areas and high contact resistance in their terminal elastic parts, making them unable to carry large currents, and their structure limits their application in space-constrained situations.

Method used

Design a connector in which the terminals have an elastic part, a connecting part, and a mounting part. The elastic part and the connecting part float relative to the housing, the mounting part is bent into a predetermined shape to increase the contact area and current path, the contact force is improved by using an elastic support, and it is connected to the electrical transmission component by riveting or welding.

Benefits of technology

It achieves a curved current path in a limited space, expands the application range, improves current carrying capacity and structural compactness, absorbs manufacturing and installation errors, and enhances electrical contact force.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224164415U_ABST
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Abstract

The utility model discloses a connector and a connector assembly. The connector includes: a housing; and a terminal assembly mounted in the housing and including at least one terminal. The terminal is provided with an elastic part which is arranged at one end of the terminal and is used for being electrically contacted with a matching terminal; the connecting part is positioned at the other end of the terminal and is used for being electrically connected to an electric transmission piece; and the mounting part is positioned between the elastic part and the connecting part and is bent into a preset shape. According to the utility model, the terminal is provided with the bent installation part, so that the terminal can realize a bent current path in a limited space, and the application range of the connector is expanded. Besides, in some embodiments of the utility model, the elastic support member not only can improve the electric contact force between the terminal and the mating terminal, but also can increase the sectional area of a current path, and improves the current-carrying capability of the terminal.
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Claims

1. A connector, characterized in that, include: Shell (1); and Terminal assembly (2), mounted in the housing (1) and including at least one terminal (20). The terminal (20) has: The elastic part (21) is located at one end of the terminal (20) and is used for electrical contact with the mating terminal (3); The connecting part (22), located at the other end of the terminal (20), is used for electrical connection to the electrical transmission element (27); and The mounting part (23) is located between the elastic part (21) and the connecting part (22) and is bent into a predetermined shape.

2. The connector according to claim 1, characterized in that: The mounting portion (23) of the terminal (20) is floatingly mounted in the housing (1), such that the elastic portion (21) and the connecting portion (22) of the terminal (20) can float relative to the housing (1).

3. The connector according to claim 1, characterized in that: The mounting portion (23) of the terminal (20) includes: The first extension (231) extends along the longitudinal (Y) direction of the housing (1); and The second extension (232) extends laterally (X) along the housing (1). One end of the second extension (232) is connected to the rear end of the first extension (231).

4. The connector according to claim 3, characterized in that: The elastic portion (21) of the terminal (20) is connected to the front end of the first extension (231) of the mounting portion (23), and the connecting portion (22) of the terminal (20) is connected to the other end of the second extension (232) of the mounting portion (23).

5. The connector according to claim 4, characterized in that: The terminal (20) is a one-piece stamped part.

6. The connector according to claim 4, characterized in that: The first extension (231) of the terminal (20) is spaced apart by a predetermined distance in the transverse (X) direction of the housing (1), and the second extension (232) of the terminal (20) abuts against each other in the longitudinal (Y) direction of the housing (1).

7. The connector according to claim 6, characterized in that: A through hole (204) is formed on the first extension (231) of the terminal (20), and a mounting hole (114) corresponding to the through hole (204) is formed on the side wall of the housing (1). The terminal assembly (2) also includes a positioning pin (24) that passes through a through hole (204) on the first extension (231) of the terminal (20) and whose two ends are respectively inserted into mounting holes (114) on the two side walls of the housing (1).

8. The connector according to claim 1, characterized in that: The housing (1) has a plug portion (13) adapted to be inserted into a slot (30) of a mating terminal (3). The plug portion (13) has two side openings (130) opposite each other in the transverse (X) direction of the housing (1). The elastic portion (21) of the terminal (20) is installed in the plug portion (13) of the housing (1) and protrudes from the two side openings (130) respectively for electrical contact with the inner wall surface of the slot (30) of the mating terminal (3).

9. The connector according to claim 8, characterized in that: The elastic portion (21) of the terminal (20) has a plurality of elastic cantilevers (210) arranged in a row in the height direction (Z) of the housing (1). The elastic cantilevers (210) have contact protrusions (21a) protruding from the side opening (130) of the plug portion (13). The contact protrusions (21a) of the terminal (20) are in electrical contact with the two inner wall surfaces of the slot (30) of the mating terminal (3).

10. The connector according to claim 8, characterized in that: The terminal assembly (2) includes a pair of terminals (20); The terminal assembly (2) further includes: The elastic support (25) is held between the elastic portions (21) of the pair of terminals (20). The elastic support (25) is used to apply an auxiliary contact force to the elastic portion (21) of the pair of terminals (20) to ensure reliable electrical contact between the elastic portion (21) of the pair of terminals (20) and the inner wall surface of the slot (30) of the mating terminal (3).

11. The connector according to claim 10, characterized in that: The elastic support (25) includes: A pair of support arms (251) are connected at their rear ends, and their front ends respectively abut against the inner side of the elastic portion (21) of the pair of terminals (20). The pair of support arms (251) form a V-shaped support structure that opens from back to front.

12. The connector according to claim 11, characterized in that: The elastic support (25) also includes: A pair of end arms (252) are respectively connected to the front ends of the pair of support arms (251) and bent backward relative to the front ends of the pair of support arms (251). The pair of end arms (252) are located between the front ends of the pair of support arms (251) and are adapted to abut against each other for supporting the pair of support arms (251).

13. The connector according to claim 12, characterized in that: The elastic support (25) is an integral stamped part.

14. The connector according to claim 10, characterized in that: The mechanical properties of the material used to manufacture the elastic support (25) are superior to those of the material used to manufacture the terminal (20); and The electrical conductivity of the material used to manufacture the terminal (20) is better than that of the material used to manufacture the elastic support (25).

15. The connector according to claim 14, characterized in that: The terminal (20) is made of copper or copper alloy, and the elastic support (25) is made of stainless steel.

16. The connector according to claim 10, characterized in that: The connection portion (22) of the pair of terminals (20) is plate-shaped and is stacked and connected together, and the connection portion (22) of the pair of terminals (20) is adapted to be electrically connected to the electrical transmission element (27).

17. The connector according to claim 16, characterized in that: The connection portion (22) of the pair of terminals (20) is adapted to be riveted, welded or crimped onto the electrical transmission element (27) for electrical connection with the electrical transmission element (27).

18. The connector according to claim 16, characterized in that, Also includes: The electrical transmission element (27) is connected to the connection portion (22) of the pair of terminals (20) and led out from the rear end of the housing (1).

19. The connector according to claim 18, characterized in that: The terminal assembly (2) further includes a riveting post (26) passing through the connection portion (22) of the pair of terminals (20) and the electrical transmission element (27), the riveting post (26) being used to rivet the connection portion (22) of the pair of terminals (20) and the electrical transmission element (27) together.

20. The connector according to claim 18, characterized in that: The electrical transmission component (27) is a bus, and the connection portion (22) of the pair of terminals (20) is electrically connected to one end of the bus; or The electrical transmission element (27) is a wire with a flat connection end, and the connection portion (22) of the pair of terminals (20) is electrically connected to the flat connection end of the wire.

21. The connector according to claim 1, characterized in that: The connector includes two terminal assemblies (2) with two separate mounting chambers (10) formed in the housing (1). The two terminal assemblies (2) are respectively mounted in the two mounting chambers (10) of the housing (1) and arranged side by side in the transverse (X) direction of the housing (1).

22. The connector according to any one of claims 1-21, characterized in that: The housing (1) includes an upper housing (11) and a lower housing (12) adapted to be assembled together, wherein a mounting chamber (10) is formed in the upper housing (11), and the terminal assembly (2) is adapted to be mounted into the mounting chamber (10) via a bottom opening of the upper housing (11); The lower housing (12) is adapted to be detachably assembled to the bottom of the upper housing (11) to cover the bottom opening of the upper housing (11).

23. The connector according to claim 22, characterized in that: The lower housing (12) has a base plate (120) and a plurality of elastic buckles (121) connected to the base plate (120), with a hook (121a) formed at the end of the elastic buckle (121). Multiple slots (111) are formed on the side plate (113) and / or top plate (110) of the upper housing (11), and the hooks (121a) of the multiple elastic buckles (121) engage with the multiple slots (111) respectively to lock the upper housing (11) and the lower housing (12) together.

24. The connector according to claim 23, characterized in that: A plurality of positioning posts (112) are formed at the bottom of the side plate (113) of the upper housing (11), and a plurality of positioning holes (122) are formed in the lower housing (12). The plurality of positioning posts (112) are respectively inserted into the plurality of positioning holes (122) to position the lower housing (12) on the bottom of the upper housing (11).

25. A connector assembly, characterized in that, Comprising: The connector according to any one of claims 1-24; And A mating terminal (3) that mates with the connector, The mating terminal (3) has two ends opposite in the longitudinal direction (Y) and two sides opposite in the lateral direction (X). Two slots (30) extending in the height direction (Z) are respectively formed at the two ends of the mating terminal (3), so that the cross-section of the mating terminal (3) perpendicular to the height direction (Z) is in the shape of a "king" character. The elastic portion (21) of the terminal (20) of the connector is received in the slot (30) of the mating terminal (3) and is in electrical contact with the inner wall surface of the slot (30) of the mating terminal (3).

26. The connector assembly according to claim 25, wherein: A groove (31) for receiving a heat dissipation member (32) is formed in the middle of the mating terminal (3) to dissipate heat from the mating terminal (3).

27. The connector assembly according to claim 26, characterized in that: The heat dissipation member (32) is a liquid cooling member.

28. The connector assembly according to claim 26, wherein: The mating terminal (3) includes two H-shaped sub-mating terminals (3') combined together, and the two H-shaped sub-mating terminals (3') are electrically isolated from each other.