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CN-122026152-A - Connector and connector assembly

CN122026152ACN 122026152 ACN122026152 ACN 122026152ACN-122026152-A

Abstract

The invention discloses a connector and a connector assembly. The connector includes a housing having front and rear ports opposite in a longitudinal direction thereof, and an electrical connection module inserted into the housing from the rear port of the housing. The electrical connection module has a mating end in the front port of the housing for mating with a mating plug of a mating connector inserted into the front port of the housing. The front end of the housing extends beyond the mating end of the electrical connection module such that the mating end of the electrical connection module is completely concealed in the front port of the housing. Therefore, the invention can effectively prevent the opposite ends of the electric connection module from being collided in package and transportation, and can improve the vibration resistance of the connector.

Inventors

  • HE YUNJI
  • QI JIANJIA
  • PAN FENG

Assignees

  • 泰科电子科技（苏州工业园区）有限公司
  • 泰科电子(上海)有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (20)

  1. 1. A connector for a portable electronic device, characterized by comprising the following steps: A housing (18) having front and rear ports (181) opposite in a longitudinal direction (Y) thereof, and An electrical connection module (10) inserted into the housing (18) from a rear port of the housing (18), The electrical connection module (10) has a counter-mating end (10 a) located in a front port (181) of the housing (18), the counter-mating end (10 a) being for counter-mating with a counter-mating plug (21) of a counter-mating connector (2) inserted into the front port (181) of the housing (18), The front end of the housing (18) extends beyond the counter-end (10 a) of the electrical connection module (10) such that the counter-end (10 a) of the electrical connection module (10) is completely hidden in the front port (181) of the housing (18).
  2. 2. The connector according to claim 1, wherein: The electrical connection module (10) comprises: An insulator (11) having an insertion cavity (110) and a terminal groove (111) formed on the inner wall surface of the insertion cavity (110), and A terminal (12) provided in the insulator (11) and having an elastic cantilever (121) accommodated in the terminal groove (111), The elastic cantilever (121) is positioned in the opposite end (10 a) of the electric connection module (10) and is used for electrically contacting with an opposite terminal (22) on an opposite plug (21) inserted into the insertion cavity (110).
  3. 3. The connector according to claim 2, wherein: a support wall (111 b) is formed in the front end of the terminal groove (111) in spaced opposition to the bottom surface (111 a) of the terminal groove (111), the support wall (111 b) being for applying a certain pre-compression force to the free end (12 b) of the elastic cantilever (121) before mating the connector (1) with the mating connector (2) to increase the contact pressure between the elastic cantilever (121) and the mating terminal (22).
  4. 4. A connector according to claim 3, wherein: The elastic cantilever (121) comprises: A V-shaped arm (120) whose apex (120 a) is supported on the bottom surface (111 a) of the terminal groove (111), and A contact portion (12 c) located between the free end (12 b) and the V-arm (120) for making electrical contact with the mating terminal (22), The direction of the pre-pressing force exerted on the free end (12 b) by the supporting wall (111 b) is opposite to the direction of the supporting force exerted on the V-shaped arm (120) by the bottom surface (111 a) of the terminal groove (111).
  5. 5. The connector of claim 4, wherein: The free end (12 b) of the resilient cantilever arm (121) is supported on the support wall (111 b) before the connector (1) is mated with the mating connector (2), and After the connector (1) is mated with the mating connector (2), the free end (12 b) of the elastic cantilever (121) is separated from the supporting wall (111 b) and supported on the bottom surface (111 a) of the terminal groove (111).
  6. 6. The connector of claim 4, wherein: The contact portion (12 c) of the elastic cantilever (121) is arc-shaped and protrudes into the insertion cavity (110) to be in electrical contact with a mating terminal (22) on a mating plug (21) inserted into the insertion cavity (110); The front end of the V-shaped arm (120) is connected to the contact portion (12 c), and the rear end of the V-shaped arm (120) is fixed to the insulator (11).
  7. 7. The connector according to claim 2, wherein: the electrical connection module (10) comprises upper and lower rows of terminals (12) spaced apart from each other in a height direction (Z) of the housing (18), the upper row of terminals (12) being for electrical contact with a row of counter terminals (22) on a top surface of an inserted counter plug (21), and the lower row of terminals (12) being for electrical contact with a row of counter terminals (22) on a bottom surface of the inserted counter plug (21).
  8. 8. The connector of claim 7, wherein: The electrical connection module (10) further comprises: a circuit board (13) having a front and a back of the front end thereof respectively formed with a row of first pads, The rear ends of the upper row of terminals (12) protrude from the rear end of the insulator (11) and are soldered to a row of first pads on the front surface of the circuit board (13), The rear ends of the lower row of terminals (12) protrude from the rear end of the insulator (11) and are soldered to a row of first pads on the back surface of the circuit board (13).
  9. 9. The connector of claim 8, wherein: A plurality of second pads are formed on the front face of the rear end of the circuit board (13), each second pad being electrically connected to a corresponding first pad via a conductive trace on the circuit board (13), The electrical connection module (10) further comprises: a flat cable (14) having a plurality of core wires, Front ends of a plurality of core wires of the flat cable (14) are soldered to a plurality of second pads of the circuit board (13), respectively.
  10. 10. The connector of claim 9, wherein: The electrical connection module (10) further comprises: An injection-molded body (17) which is injection-molded onto the circuit board (13), The rear ends of the terminals (12) and the front ends of the circuit board (13) are encased in the injection-molded body (17).
  11. 11. The connector of claim 9, wherein: The electrical connection module (10) further comprises: A front shielding shell (15) sleeved on the insulator (11), and A rear shielding shell (16) arranged on the injection molding body (17), The front end of the rear shield shell (16) is in electrical contact with the rear end of the front shield shell (15), and the rear end of the rear shield shell (16) is electrically connected with the shield layer (141) of the flat cable (14).
  12. 12. The connector of claim 11, wherein: the rear shield shell (16) has a crimp portion (161) at a rear end thereof, and the crimp portion (161) of the rear shield shell (16) is crimped to the shield layer (141) of the flat cable (14).
  13. 13. The connector of claim 11, wherein: A first concave portion (16 a) concave inward is formed on a top wall of the rear shield shell (16), the first concave portion (16 a) being welded to a shield layer (141) of the flat cable (14); The rear end of the circuit board (13) is positioned outside the injection molding body (17), a second concave part (16 b) which is concave is formed on the bottom wall of the rear shielding shell (16), and the second concave part (16 b) is welded on the circuit board (13).
  14. 14. The connector of claim 13, wherein: an outwardly projecting boss (16 c) is formed on the top and/or bottom walls of the rear shield (16), the boss (16 c) being adapted to engage with the housing (18) to lock the electrical connection module (10) in the housing (18).
  15. 15. The connector of claim 9, further comprising: A heat-shrinkable tail sleeve (19) which is sleeved and heat-shrinkable on the front end of the flat cable (14) and the rear end of the shell (18), The heat shrink wrap (19) is used to secure the electrical connection module (10) to the housing (18) and seal a rear port of the housing (18).
  16. 16. The connector of any one of claims 1-15, wherein the connector is a Type-C connector.
  17. 17. A connector assembly, comprising: The connector (1) of any one of claims 1-17, and And a mating connector (2) mated with the connector (1).
  18. 18. The connector assembly of claim 17, wherein: The mating connector (2) includes: a mating housing (28) mated with the housing (18) of the connector; a mating plug (21) provided in the mating housing (28) for being inserted into an insertion cavity (110) of an insulator (11) of the connector, and -A counter-terminal (22) arranged on the counter-plug (21) for electrical contact with the terminals (12) of the connector.
  19. 19. The connector assembly of claim 17, wherein: the counter housing (28) extends beyond the counter plug (21) such that the counter plug (21) and the counter terminal (22) are completely concealed in the counter housing (28).
  20. 20. The connector assembly of claim 17, wherein: the width of the counter terminal (22) is at least 0.1mm greater than the width of the terminal (12), and the center line of the terminal (12) coincides with the center line of the corresponding counter terminal (22); During mating of the connector and the mating connector, the terminals (12) and the corresponding mating terminals (22) have a scraping distance in the longitudinal direction (Y) of the housing (18) of not less than 1.55mm.

Description

Connector and connector assembly Technical Field The present invention relates to a connector and a connector assembly including the same. Background In the prior art, type-C connectors typically include a connector that connects to a cable and a counter-connector that connects to a circuit board. The connector mates with a mating connector to achieve a quick electrical connection between the cable and the circuit board. In the prior art, connectors typically include a housing and an electrical connection module that is inserted into the housing. The electrical connection module includes a mating end for mating with a mating connector, the mating end extending from a front end of the housing for insertion into a mating housing of the mating connector. The electrical connection module of a connector generally includes an insulator at its mating ends, upper and lower rows of terminals disposed in the insulator, and a shield shell mounted over the insulator. In the prior art, since the mating ends of the electrical connection modules of the connector protrude from the housing, the mating ends of the electrical connection modules are susceptible to collision during packaging and transportation, which may cause damage to the mating ends of the electrical connection modules. In addition, since the mating end of the electrical connection module of the connector extends out from the housing, the connector has poor vibration resistance, and electrical contact instability and the like are easy to occur in a vibration environment. 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 is provided. The connector includes a housing having front and rear ports opposite in a longitudinal direction thereof, and an electrical connection module inserted into the housing from the rear port of the housing. The electrical connection module has a mating end in the front port of the housing for mating with a mating plug of a mating connector inserted into the front port of the housing. The front end of the housing extends beyond the mating end of the electrical connection module such that the mating end of the electrical connection module is completely concealed in the front port of the housing. According to an exemplary embodiment of the present invention, the electrical connection module includes an insulator having an insertion cavity and a terminal groove formed on an inner wall surface of the insertion cavity, and a terminal disposed in the insulator and having an elastic cantilever accommodated in the terminal groove. The elastic cantilever is positioned in the opposite end of the electric connection module and is used for electrically contacting with an opposite terminal on an opposite plug inserted into the insertion cavity. According to another exemplary embodiment of the present invention, a support wall is formed in the front end of the terminal groove to be spaced apart from the bottom surface of the terminal groove, the support wall being for applying a certain pre-compression force to the free end of the elastic cantilever before mating the connector with the mating connector to increase the contact pressure between the elastic cantilever and the mating terminal. According to another exemplary embodiment of the present invention, the elastic cantilever includes a V-shaped arm whose apex is supported on the bottom surface of the terminal groove, and a contact portion between the free end and the V-shaped arm for making electrical contact with the mating terminal, the direction of the pre-pressing force applied by the support wall to the free end being opposite to the direction of the supporting force applied by the bottom surface of the terminal groove to the V-shaped arm. According to another exemplary embodiment of the present invention, the free end of the elastic cantilever is supported on the supporting wall before the connector is mated with the counter connector, and the free end of the elastic cantilever is separated from the supporting wall and supported on the bottom surface of the terminal groove after the connector is mated with the counter connector. According to another exemplary embodiment of the present invention, the contact portion of the elastic cantilever is curved and projected into the insertion cavity to be in electrical contact with the counterpart terminal on the counterpart plug inserted into the insertion cavity, the front end of the V-shaped arm is connected to the contact portion, and the rear end of the V-shaped arm is fixed to the insulator. According to another exemplary embodiment of the present invention, the electrical connection module includes upper and lower rows of terminals spaced apart from each other in a height direction of the housing, the upper row of terminals being for electrical contact with a row of mating terminal