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CN-122026146-A - Connector terminal, connector and connector assembly

CN122026146ACN 122026146 ACN122026146 ACN 122026146ACN-122026146-A

Abstract

The invention discloses a connector terminal, a connector and a connector assembly. The connector terminal includes a mating portion having front and rear ring portions opposed in a longitudinal direction thereof and an elastic portion located between the front and rear ring portions. The elastic part includes upper and lower spring arms opposite in a height direction of the mating part and left and right spring arms opposite in a lateral direction of the mating part, and the upper, lower, left and right spring arms of the elastic part are adapted to be simultaneously electrically contacted with mating terminals inserted into the mating part. In the invention, the connector terminal can be simultaneously and electrically contacted with four sides of the inserted opposite terminal, thereby improving the reliability and stability of electric contact.

Inventors

  • ZHOU WENXIA
  • ZHAO YUQIANG
  • YAO WEI

Assignees

  • 泰科电子(上海)有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (20)

  1. 1. A connector terminal, comprising: An opposite part (100) having a front ring part (17) and a rear cylinder part (18) opposite to each other in the longitudinal direction (Y) thereof, an elastic part (10) between the front ring part (17) and the rear cylinder part (18), The elastic part (10) comprises an upper elastic arm (11) and a lower elastic arm (12) which are opposite in the height direction (Z) of the matching part (100), and a left elastic arm (13) and a right elastic arm (14) which are opposite in the transverse direction (X) of the matching part (100), The upper spring arm (11), the lower spring arm (12), the left spring arm (13) and the right spring arm (14) of the elastic part (10) are adapted to be simultaneously electrically contacted with the mating terminal inserted into the mating part (100).
  2. 2. The connector terminal of claim 1, wherein: the front ring portion (17) and the rear barrel portion (18) are rectangular in cross section, and the front ring portion (17) and the rear barrel portion (18) have top and bottom walls opposed in the height direction (Z) and left and right walls opposed in the lateral direction (X), respectively.
  3. 3. The connector terminal according to claim 2, wherein: The left elastic arm (13) and the right elastic arm (14) are elastic cantilevers with fixed rear ends and free front ends, the rear ends of the left elastic arm (13) and the right elastic arm (14) are respectively connected with the left wall and the right wall of the rear barrel part (18), and the front ends of the left elastic arm (13) and the right elastic arm (14) are respectively adjacent to the left wall and the right wall of the front ring part (17).
  4. 4. A connector terminal according to claim 3, wherein: left contact (13 a) and right contact (14 a) protruding inwards are respectively formed at the front ends of the left spring arm (13) and the right spring arm (14), and the left contact (13 a) and the right contact (14 a) are used for respectively electrically contacting with the left side and the right side of the inserted opposite terminal.
  5. 5. A connector terminal according to claim 3, wherein: A left inclined surface (13 b) and a right inclined surface (14 b) inclined to the longitudinal direction (Y) are respectively formed on the inner sides of the front ends of the left spring arm (13) and the right spring arm (14), and the left inclined surface (13 b) and the right inclined surface (14 b) define a flared inlet opening outwards for guiding the mating terminal to be inserted into the elastic part (10).
  6. 6. A connector terminal according to claim 3, wherein: the elastic part (10) further comprises an upper U-shaped arm (15) and a lower U-shaped arm (16), two ends of the upper U-shaped arm (15) are respectively connected with the upper sides of the rear ends of the left elastic arm (13) and the right elastic arm (14), and two ends of the lower U-shaped arm (16) are respectively connected with the lower sides of the rear ends of the left elastic arm (13) and the right elastic arm (14).
  7. 7. The connector terminal of claim 6, wherein: the rear ends of the upper elastic arm (11) and the lower elastic arm (12) are respectively connected with the upper U-shaped arm (15) and the lower U-shaped arm (16), and the front ends of the upper elastic arm (11) and the lower elastic arm (12) are respectively connected with the top wall and the bottom wall of the front ring part (17).
  8. 8. The connector terminal of claim 7, wherein: An upper contact (11 a) and a lower contact (12 a) protruding inwards are respectively formed at the front ends of the upper spring arm (11) and the lower spring arm (12), and the upper contact (11 a) and the lower contact (12 a) are used for respectively electrically contacting with the upper side and the lower side of the inserted counter terminal.
  9. 9. The connector terminal of claim 7, wherein: -an upper U-shaped slot (15 a) is provided between the upper U-shaped arm (15) and the rear barrel portion (18) such that the upper U-shaped arm (15) and the rear barrel portion (18) are spaced apart in the longitudinal direction (Y); a lower U-shaped groove (16 a) is provided between the lower U-shaped arm (16) and the rear barrel portion (18) such that the lower U-shaped arm (16) and the rear barrel portion (18) are spaced apart in the longitudinal direction (Y).
  10. 10. The connector terminal of claim 1, wherein: A raised locking portion (180) is formed at the rear end of the rear barrel portion (18), the locking portion (180) being for abutting against a locking piece (3) inserted into a housing (2) of a connector to lock the connector terminal (1) in the housing (2) of the connector.
  11. 11. The connector terminal of claim 10, wherein: the locking portion (180) includes a pair of tabs (181), the pair of tabs (181) being respectively connected to lower sides of left and right walls of the rear barrel portion (18) and protruding downward with respect to a bottom wall of the rear barrel portion (18).
  12. 12. The connector terminal of claim 1, further comprising: And a crimping part (19) connected with the rear end of the rear barrel part (18) and used for being crimped on the cable of the connector so as to be electrically connected with the cable.
  13. 13. The connector terminal of claim 12, wherein: The crimping part (19) includes: A first crimp (191) for crimping onto an exposed conductor end of the cable, and And a second crimp portion (192) for crimping onto the outer coating of the cable, the first crimp portion (191) being located between the rear end of the rear tube portion (18) and the second crimp portion (192).
  14. 14. The connector terminal of claim 1, wherein: a slit (101) extending in the longitudinal direction (Y) is formed on the bottom of the mating part (100), and the slit (101) bisects the bottom walls of the rear cylinder part (18) and the front ring part (17) and the lower spring arm (12).
  15. 15. The connector terminal according to any one of claims 1-14, wherein: the connector terminal (1) is an integral stamping forming piece.
  16. 16. A connector for a portable electronic device, characterized by comprising the following steps: A housing (2) formed with a terminal insertion hole (21) extending in a longitudinal direction (Y) thereof, and The connector terminal (1) of any one of claims 1-15, being plugged into the terminal receptacle (21).
  17. 17. The connector of claim 16, further comprising: A locking piece (3) inserted into the housing (2) and abutted against a locking portion (180) of the connector terminal (1) to lock the connector terminal (1) in the terminal insertion hole (21).
  18. 18. The connector of claim 17, wherein: An upper and lower two-row terminal insertion holes (21) are formed in the housing (2), and the connector includes upper and lower two-row connector terminals (1) respectively inserted into the upper and lower two-row terminal insertion holes (21); A lateral slot (22) communicating with the upper and lower rows of terminal insertion holes (21) is formed on the housing (2), and the locking piece (3) is inserted into the lateral slot (22) and has an upper locking arm (31) and a lower locking arm (32); the upper locking arm (31) abuts against the locking portion (180) of the upper row of connector terminals (1), and the lower locking arm (32) abuts against the locking portion (180) of the lower row of connector terminals (1).
  19. 19. The connector of claim 16, further comprising: a cable electrically connected to the rear end of the connector terminal (1) and led out from the rear port of the terminal insertion hole (21).
  20. 20. A connector assembly, comprising: the connector of any one of claims 16-19, and A mating connector mated with the connector, The mating connector includes: A mating housing mated with the housing (2) of the connector, and And a mating terminal provided in the mating housing and mating with the connector terminal (1).

Description

Connector terminal, connector and connector assembly Technical Field The present invention relates to a connector terminal, a connector including the connector terminal, and a connector assembly including the connector. Background In the related art, terminals of a connector generally have two contact bumps formed on left and right opposite side walls of the terminal, respectively, for simultaneous electrical contact with left and right sides of an inserted counterpart terminal. However, the conventional two contact bumps are not reliably in electrical contact with the mating terminal, and poor electrical contact is easily caused. In order to ensure reliable electrical contact, the amount of interference between the contact bumps and the mating terminals must be increased, but this increase in the amount of interference results in a dramatic increase in the insertion and extraction force. In addition, in the prior art, in order to lock the terminal in the housing of the connector, a locking spring needs to be stamped out on the terminal, which can lead to a larger slot hole formed on the terminal, which can reduce the strength of the terminal, and the stamping-formed locking spring has poor strength, cannot reliably lock the terminal in the housing, and is easy to be damaged and lose efficacy under the action of a larger pulling force. Disclosure of Invention The present invention is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art. According to one aspect of the present invention, a connector terminal is provided. The connector terminal includes a mating portion having front and rear ring portions opposed in a longitudinal direction thereof and an elastic portion located between the front and rear ring portions. The elastic part includes upper and lower spring arms opposite in a height direction of the mating part and left and right spring arms opposite in a lateral direction of the mating part, and the upper, lower, left and right spring arms of the elastic part are adapted to be simultaneously electrically contacted with mating terminals inserted into the mating part. According to an exemplary embodiment of the present invention, the front ring portion and the rear barrel portion have rectangular cross sections, and the front ring portion and the rear barrel portion have top and bottom walls opposing in the height direction and left and right walls opposing in the lateral direction, respectively. According to another exemplary embodiment of the present invention, the left spring arm and the right spring arm are elastic cantilevers with fixed rear ends and free front ends, the rear ends of the left spring arm and the right spring arm are respectively connected with the left wall and the right wall of the rear cylinder portion, and the front ends of the left spring arm and the right spring arm are respectively adjacent to the left wall and the right wall of the front ring portion. According to another exemplary embodiment of the present invention, left and right contacts protruding inward are formed at front ends of the left and right spring arms, respectively, for electrically contacting left and right sides of the inserted counterpart terminal, respectively. According to another exemplary embodiment of the present invention, a left inclined surface and a right inclined surface inclined to the longitudinal direction are formed at inner sides of front ends of the left and right spring arms, respectively, the left and right inclined surfaces defining a flared entrance opening outward for guiding the insertion of the counterpart terminal into the elastic portion. According to another exemplary embodiment of the present invention, the elastic part further includes an upper U-shaped arm and a lower U-shaped arm, both ends of the upper U-shaped arm are respectively connected to upper sides of rear ends of the left and right elastic arms, and both ends of the lower U-shaped arm are respectively connected to lower sides of rear ends of the left and right elastic arms. According to another exemplary embodiment of the present invention, rear ends of the upper and lower spring arms are connected to the upper and lower U-shaped arms, respectively, and front ends of the upper and lower spring arms are connected to top and bottom walls of the front ring portion, respectively. According to another exemplary embodiment of the present invention, upper and lower contacts protruding inward are formed at front ends of the upper and lower spring arms, respectively, for electrically contacting upper and lower sides of the inserted counterpart terminal, respectively. According to another exemplary embodiment of the present invention, there is an upper U-shaped groove between the upper U-shaped arm and the rear barrel portion such that the upper U-shaped arm and the rear barrel portion are spaced apart in the longitudinal direction, and a lower U-shaped groove between the lower