In-line sealed electrical connector apparatus

• US 7,465,192 B2
• Filed: 09/11/2006
• Issued: 12/16/2008
• Est. Priority Date: 09/11/2006
• Status: Active Grant

• Current Assignee: JST Corporation (JST Manufacturing Company Limited)
• Original Assignee: JST Corporation (JST Manufacturing Company Limited)
• Inventors: Chen, Ping, McKenzie, Jeffrey A.
• Primary Examiner(s): TA, THO DAC
• Application Number:
  US11/518,186
• Publication Number:
  US 20080064260A1
• Time in Patent Office: 827 Days
• Field of Search: 439/587, 439/588, 439/274, 439/275
• US Class Current: 439/587
• CPC Class Codes: H01R 13/502 composed of different pieces H01R13/514 takes precedence
• CPC Class Codes: H01R 13/5208 having at least two cable receiving openings
• CPC Class Codes: H01R 13/5219 Sealing means between coupling parts, e.g. interfacial seal
• CPC Class Codes: H01R 13/6275 Latching arms not integral with the housing H01R13/6276, H01R13/6277, H01R13/6278 take precedence
• CPC Class Codes: H01R 13/639 Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Abstract

An in-line sealed electrical connector apparatus includes a female connector assembly and a male connector assembly. The female connector assembly includes a female housing, a female wire seal and a female cover. The male connector assembly includes a male housing, a retention clip, a male housing seal defining a male housing seal opening, a male wire seal and a male cover. The retention clip formed in a generally U-shaped configuration to define a generally D-shaped retention clip duct extending longitudinally through the retention clip. The generally D-shaped retention clip duct is sized to slidably receive the female housing such that, upon engaging the female connector assembly and the male connector assembly, the female housing is first received through the generally D-shaped retention clip duct and is thereafter inserted through the male housing seal opening.

Claims

1. An in-line sealed electrical connector apparatus, comprising:

a female connector assembly including a female housing, a female wire seal and a female cover, the female housing extending along a longitudinal axis and generally configured in cross-section in a generally D-shape to define a longitudinally-extending generally rectangularly-shaped female connector passageway, the female wire seal and the female cover sized and adapted to be received by the female connector passageway in a close-fitting relationship; and

a male connector assembly including a male housing, a retention clip;

a male housing seal defining a male housing seal opening, a male wire seal and a male cover, the male housing extending along the longitudinal axis to define a longitudinally-extending male connector passageway, the male housing having a female-receiving housing portion defining a female-receiving connector passageway portion of the male connector passageway and a sealed housing portion defining a seal-receiving connector passageway portion of the male connector passageway, the female-receiving housing portion and the sealed housing portion being integrally connected to each other, the female-receiving connector passageway portion sized and adapted to receive the retention clip and the male housing seal in a close-fitting relationship, the seal-receiving connector passageway portion sized and adapted to receive the male wire seal in a close-fitting relationship, the male cover operative to cap the sealed male housing portion adjacent the male wire seal, the retention clip formed in a generally U-shaped configuration to define a generally D-shaped retention clip duct extending longitudinally through the retention clip, the generally D-shaped retention clip duct sized to slidably receive the female housing such that, upon engaging the female connector assembly and the male connector assembly, the female housing is first received through the generally D-shaped retention clip duct and is thereafter inserted through the male housing seal opening.

2. An in-line sealed electrical connector apparatus according to claim 1, wherein the retention clip includes a retention clip latch extending into the generally D-shaped retention clip duct and the female housing includes a retention clip latch-receiving notch formed into an outer female housing surface and positioned to releasably receive the retention clip latch when the female connector assembly and the male connector assembly are connected together.

3. An in-line sealed electrical connector apparatus according to claim 1, wherein the female-receiving connector passageway portion of the male connector passageway has an enlarged female-receiving connector passageway portion section and a reduced female-receiving connector passageway portion section with a stepped-down wall separating the enlarged female-receiving connector passageway portion section and the reduced female-receiving connector passageway portion section, the enlarged female-receiving connector passageway portion section sized to receive the retention clip and the male housing seal with the male housing seal disposed between the retention clip and the stepped-down wall and abutting the stepped-down wall, the reduced female-receiving connector passageway portion section receiving a forward part of the female connector assembly.

4. An in-line sealed electrical connector apparatus according to claim 1, wherein each one of female wire seal, the male housing seal and the male wire seal is fabricated from a sealing material and has a plurality of outwardly extending ribs as viewed in cross-section.

5. An in-line sealed electrical connector apparatus according to claim 1, wherein the retention clip includes an arcuate piece and a pair of arms disposed apart from and extending generally parallel with one another and integrally connected to the arcuate piece to form the generally U-shaped configuration, the pair of arms operative to move to and between a neutral state and a resiliently biased state such that, in the neutral state, the pair of arms are disposed apart and extend generally parallel with one another and, in the resiliently biased state, at least one of the pair of arms moves in a pivoting manner towards or away from a remaining one of the pair of arms and yet is resiliently biased towards the neutral state.

6. An in-line sealed electrical connector apparatus according to claim 5, wherein the female-receiving housing portion of the male housing has a pair of facially opposing slots formed therethrough and each respective one of the pair of arms has an outer arm surface and a projection projecting from the outer arm surface, the projections being disposed in a manner that, when the retention clip is received by the female-receiving connector passageway portion, a respective one of the projections is received by a respective one of the pair of facially opposing slots thereby retaining the retention clip in place within the female-receiving connector passageway portion.

7. An in-line sealed electrical connector apparatus according to claim 5, wherein each one of the pair of arms has a free end portion, one of the free end portions includes a block member integrally formed with the one free end portion, the block member having a first wall facing the arcuate piece to define a first straight portion of the generally D-shaped retention clip duct.

8. An in-line sealed electrical connector apparatus according to claim 7, wherein a remaining one of the free end portions includes a plateau member integrally formed with the other one of the free end portions, the plateau member having a flat plateau wall facing the block member and a flat plateau side wall extending perpendicularly to the flat plateau wall, the flat plateau side wall facing the arcuate piece to define a second straight portion of the generally D-shaped retention clip duct.

9. An in-line sealed electrical connector apparatus according to claim 7, wherein the block member has a second wall that extends at an acute angle relative to the first wall in a manner to form a tapered opening tapering into the retention clip, the tapered opening communicating with the generally D-shaped retention clip duct at a narrowed end.

10. An in-line sealed electrical connector apparatus according to claim 9, wherein the male housing includes a lever arm having a wedge-shaped element and being movable to and between a neutral position and a retention clip spreading position such that, in the neutral position, the wedge-shaped element extends partially into the tapered opening and, in the retention clip spreading position, the wedge-shaped element extends into the tapered opening while in contact with the second wall causing the free end portions of the pair of arms to spread apart from one another thereby accommodating disengagement of the female connector assembly and the male connector assembly.

11. An in-line sealed electrical connector apparatus according to claim 1, wherein the seal-receiving connector passageway portion of the male connector passageway includes a seal-receiving connector passageway portion section and a terminal locking arm-accommodating connector passageway portion section in communication with the seal-receiving connector passageway portion section, the male housing including a male housing terminal locking arm connected to the male housing in terminal locking arm-accommodating connector passageway portion section, the male housing terminal locking arm movable between a male terminal locking state and male terminal release state, the male terminal locking arm being resiliently biased to the male terminal lock state when moved to the male terminal release state, the seal-receiving connector passageway portion section sized to receive the male wire seal in a close-fitting relationship.

12. An in-line sealed electrical connector apparatus according to claim 11, wherein the male terminal locking arm has a male terminal locking arm notched free end.

13. An in-line sealed electrical connector apparatus according to claim 1, wherein the female connector passageway includes an enlarged female connector passageway section and a reduced female connector passageway section with a female connector stepped-down wall disposed between the enlarged female connector passageway section and the reduced female connector passageway section, the enlarged female connector passageway section sized to receive the female wire seal and the female cover with the female wire seal disposed between the female connector stepped-down wall and the female cover with the female wire seal abutting the female connector stepped-down wall.

14. An in-line sealed electrical connector apparatus according to claim 13, wherein the female housing has a pair of facially opposing female housing slots formed therethrough and the female cover includes a pair of latching projections, the latching projections being disposed in a manner that, when the female cover is received by the enlarged female connector passageway section, a respective one of the latching projections is received by a respective one of the pair of facially opposing female housing slots thereby retaining the female cover in place within the enlarged female connector passageway section.

15. An in-line sealed electrical connector apparatus according to claim 14, wherein the female housing includes a female housing terminal locking arm connected to the female housing in the reduced female connector passageway section, the female housing terminal locking arm movable between a female terminal locking state and female terminal release state, the female terminal locking arm being resiliently biased to the female terminal lock state when moved to the female terminal release state.

16. An in-line sealed electrical connector apparatus according to claim 15, wherein the female housing terminal locking arm has a female housing terminal locking arm notched free end.

17. A retention clip device, comprising:

a body member having an arcuate piece and a pair of arms disposed apart from and extending generally parallel with one another and integrally connected to the arcuate piece to form the generally U-shaped configuration, the pair of arms operative to move to and between a neutral state and a resiliently biased state such that, in the neutral state, the pair of arms are disposed apart and extend generally parallel with one another and, in the resiliently biased state, at least one of the pair of arms moves in a pivoting manner towards or away from a remaining one of the pair of arms and yet is resiliently biased towards the neutral state, each one of the a pair of arms having an inner arm surface, an outer arm surface, a projection projecting from the outer arm surface and a free end portion,

wherein one of the free end portions includes a block member integrally formed with the one free end portion and disposed internally of the retention clip, the block member having a first wall facing the arcuate piece to provide a first straight portion of a generally D-shaped retention clip duct defined at least in part by the first straight portion, the arcuate portion and the inner arm surfaces.

18. A retention clip device according to claim 17, wherein the block member has a second wall that extends at an acute angle relative to the first wall in a manner to form a tapered opening into the retention clip, the tapered opening narrowing to communicate with the generally D-shaped retention clip duct.

19. A retention clip device according to claim 18, wherein a remaining one of the free end portions includes a plateau member integrally formed with the remaining one of the free end portions and disposed internally of the retention clip, the plateau portion having a flat plateau wall facing the block member and a flat plateau side wall extending perpendicularly to the flat plateau wall, the flat plateau side wall facing the arcuate piece to provide a second straight portion of the generally D-shaped retention clip duct.

20. A female connector assembly, comprising:

a female housing;

a female wire seal; and

a female cover,

wherein the female housing extends along a longitudinal axis and is generally configured in cross-section in a generally D-shape to define a longitudinally-extending generally rectangularly-shaped female connector passageway and the female wire seal and the female cover is sized and adapted to be received by the female connector passageway in a close-fitting relationship,

wherein the female connector passageway includes an enlarged female connector passageway section and a reduced female connector passageway section with a female connector stepped-down wall disposed between the enlarged female connector passageway section and the reduced female connector passageway section, the enlarged female connector passageway section is sized to receive the female wire seal and the female cover with the female wire seal disposed between the female connector stepped-down wall and the female cover and with the female wire seal abutting the female connector stepped-down wall,

wherein the female housing includes a female housing terminal locking arm connected to the female housing in the reduced female connector passageway section, the female housing terminal locking arm is movable between a female terminal locking state and female terminal release state, the female terminal locking arm is resiliently biased to the female terminal lock state when moved to the female terminal release state,

wherein the female housing terminal locking arm has a female housing terminal locking arm notched free end, and

wherein the female housing terminal locking arm, connected to the female housing in the reduced female connector passageway section, extends longitudinally away from the enlarged female connector passageway section and terminates in the female housing terminal locking arm notched free end within the reduced female connector passageway section.

21. A female connector assembly according to claim 20, wherein the female housing has a pair of facially opposing female housing slots formed therethrough and the female cover includes a pair of latching projections, the latching projections being disposed in a manner that, when the female cover is received by the enlarged female connector passageway section, a respective one of the latching projections is received by a respective one of the pair of facially opposing female housing slots thereby retaining the female cover in place within the enlarged female connector passageway section.

22. A male connector assembly, comprising:

a male housing;

a retention clip;

a male housing seal defining a generally D-shaped male housing seal opening;

a male wire seal; and

a male cover,

wherein the male housing extends along a longitudinal axis to define a longitudinally-extending male connector passageway, the male housing having a female-receiving housing portion defining a female-receiving connector passageway portion of the male connector passageway and a sealed housing portion defining a seal-receiving connector passageway portion of the male connector passageway, the sealed housing portion integrally connected to the female-receiving housing portion, the female-receiving connector passageway portion sized and adapted to receive the retention clip and the male housing seal in a close-fitting relationship, the seal-receiving connector passageway portion sized and adapted to receive the male wire seal in a close-fitting relationship, the male cover operative to cap the sealed male housing portion adjacent the male wire seal, the retention clip formed in a generally U-shaped configuration to define a generally D-shaped retention clip duct extending longitudinally through the retention clip.

23. A male connector assembly according to claim 22, wherein the female-receiving housing portion of the male housing has a pair of facially opposing slots formed therethrough.

24. A male connector assembly according to claim 22, wherein the male housing includes a lever arm having a wedge-shaped element and being movable to and between a neutral position and a retention clip spreading position.

25. A male connector assembly according to claim 22, wherein the female-receiving connector passageway portion of the male housing has an enlarged female-receiving connector passageway portion section and a reduced female-receiving connector passageway portion section with a stepped-down wall separating the enlarged female-receiving connector passageway portion section and the reduced female-receiving connector passageway portion section, the enlarged female-receiving connector passageway portion section sized to receive the male housing clip and the male housing seal with the male housing seal disposed between the retention clip and the stepped-down wall and abutting the stepped-down wall.

26. A male connector assembly according to claim 22, wherein the seal-receiving connector passageway portion has an enlarged seal-receiving connector passageway portion section and a reduced seal-receiving connector passageway portion section with a male connector stepped-up wall separating the enlarged seal-receiving connector passageway portion section and the reduced seal-receiving connector passageway portion section, the enlarged seal-receiving connector passageway portion section sized to receive the male wire seal with the male wire seal abutting the male connector stepped-up wall and disposed between the male connector stepped-up wall and the male cover.

27. An in-line sealed electrical connector apparatus adapted to facilitate connection of a first wire assembly and a second wire assembly in a sealed manner, the first wire assembly having a first wire electrically connected to a female terminal and the second wire assembly having a second wire electrically connected to a male terminal, the in-line sealed electrical connector apparatus comprising:

a female connector assembly including a female housing, a female wire seal having at least one female wire seal hole extending therethough, a female cover having at least one female cover hole extending therethrough and in axial alignment with the at least one female wire seal hole and a female terminal locking arm, the female housing extending along a longitudinal axis and generally configured in cross-section in a generally D-shape to define a longitudinally-extending generally rectangularly-shaped female connector passageway, the female wire seal and the female cover sized and adapted to be received by the female connector passageway in a close-fitting relationship, the female housing terminal locking arm movable between a female terminal locking state and female terminal release state, the female terminal locking arm being resiliently biased to the female terminal lock state when moved to the female terminal release state; and

a male connector assembly including a male housing, a retention clip, a male housing seal defining a male housing seal opening, a male wire seal having at least one male wire seal hole extending therethrough and a male cover having at least one male cover hole extending therethrough and in axial alignment with the at least one male cover hole, the male housing extending along the longitudinal axis to define a longitudinally-extending male connector passageway, the male housing having a female-receiving housing portion defining a female-receiving connector passageway portion of the male connector passageway and a sealed housing portion defining a seal-receiving connector passageway portion of the male connector passageway and integrally connected to the female-receiving housing portion, the female-receiving connector passageway portion sized and adapted to receive the retention clip and the male housing seal in a close-fitting relationship, the seal-receiving connector passageway portion sized and adapted to receive the male wire seal in a close-fitting relationship, the male cover operative to cap the sealed male housing portion adjacent the male wire seal, the retention clip formed in a generally U-shaped configuration to define a generally D-shaped retention clip duct extending longitudinally through the retention clip, the retention clip duct sized to slidably receive the female housing,

wherein the first wire assembly is inserted in a first wire assembly insertion direction into the female connector assembly such that the first wire extends through the at least one female cover hole of the female cover and the at least one female wire seal of the female wire seal with the at least one female wire seal gripping the first wire in a sealing manner and, as the female terminal is being inserted into the female housing, the female terminal first moves the female housing terminal locking arm from the female terminal locking state to the female terminal release state and then permits the female housing terminal locking arm to move back into the female terminal locking. state to prevent removal of the female terminal in a first wire assembly removal direction being opposite the first wire assembly insertion direction,

wherein the second wire assembly is inserted in a second wire assembly insertion direction into the male connector assembly such that the second wire extends through the at least one male cover hole of the male cover and the at least one male wire seal hole of the male wire seal with the at least one male wire seal gripping the second wire in a sealing manner and, as the male terminal is being inserted into the male housing, the male terminal first moves the male housing terminal locking arm from the male terminal locking state to the male terminal release state and then permits the male housing terminal locking arm to move back into the male terminal locking state to prevent removal of the male terminal in a second wire assembly removal direction being opposite the second wire assembly insertion direction, and

wherein, upon engaging the female connector assembly and the male connector assembly, the female housing is first received through the generally D-shaped retention clip duct and is thereafter inserted through the male housing seal opening such that the retention clip substantially surrounds and grips the female housing and the male housing seal surrounds and grips the female housing while a forward male terminal part of the male terminal is slidably received by a forward female terminal part of the female terminal.