CN-122008989-A - Headrest assembly

Abstract

A headrest assembly includes a headrest, a post coupled with the headrest, a first electrical connector coupled with the post, a guide sleeve including a guide sleeve first end and a guide sleeve second end, a second electrical connector disposed in the guide sleeve and slidably coupled with the guide sleeve, the second electrical connector configured to engage and disengage the first electrical connector, and a guide sleeve locking spring coupled to the guide sleeve and including a first position in which the guide sleeve locking spring engages the second electrical connector to limit movement of the second electrical connector away from the guide sleeve first end and a second position in which the guide sleeve locking spring contacts the first electrical connector.

Inventors

• CHEN JIAYUN
• GUO JIANWEI
• SHEN YU

Assignees

• 李尔公司

Dates

Publication Date

20260512

Application Date

20241112

Claims (20)

1. 1. A headrest assembly, comprising: A headrest; A post coupled with the headrest; The first electrical connector is configured to be electrically connected to the first electrical connector, the first electrical connector is coupled with the post; the guide sleeve comprises a guide sleeve first end and a guide sleeve second end; A second electrical connector disposed in and slidably coupled with the guide sleeve, the second electrical connector configured to engage and disengage the first electrical connector, and A sleeve locking spring coupled to the sleeve and including a first position in which the sleeve locking spring engages the second electrical connector to limit movement of the second electrical connector away from the sleeve first end and a second position in which the sleeve locking spring contacts the first electrical connector.
2. 2. The headrest assembly of claim 1, wherein the second position of the guide sleeve locking spring comprises the guide sleeve locking spring deflecting radially outward from the first position of the guide sleeve locking spring relative to a central axis of the guide sleeve.
3. 3. The headrest assembly of claim 1, wherein the guide sleeve locking spring is coupled with the guide sleeve such that the locking spring is prevented from rotating relative to the guide sleeve.
4. 4. The headrest assembly of claim 1, wherein in a separated configuration of the first and second electrical connectors, the second electrical connector is disposed at the guide sleeve first end.
5. 5. The headrest assembly of claim 4, further comprising a coil spring disposed in the guide sleeve and biasing the second electrical connector toward the guide sleeve first end.
6. 6. The headrest assembly of claim 1, wherein the first electrical connector comprises: A first connector housing; a first connector locking spring disposed in the housing to engage the second electrical connector, and The spring terminals of the first connector are arranged, the first connector spring terminals are disposed in the first connector housing.
7. 7. The headrest assembly according to claim 6, wherein the first connector housing includes a first end coupled with the post and a second end configured to receive the second electrical connector, and The first connector locking spring is disposed closer to the second end than the first connector spring terminal.
8. 8. The headrest assembly of claim 6, wherein the first connector spring terminal is disposed partially in a first connector housing wall of the first connector housing.
9. 9. The headrest assembly of claim 6, wherein the first electrical connector comprises a plurality of first connector spring terminals including the first connector spring terminal, and The plurality of first connector spring terminals are disposed partially in respective first connector housing walls of the first connector housing.
10. 10. The headrest assembly of claim 9, wherein the plurality of first connector spring terminals are biased radially inward relative to a central axis of the first electrical connector.
11. 11. The headrest assembly of claim 9, wherein the first connector housing wall includes a respective channel in which the plurality of first connector spring terminals are partially disposed; the channels restricting circumferential movement of the plurality of first connector spring terminals, and Distal ends of the plurality of first connector spring terminals are disposed in the channel and slide freely in the channel in an axial direction relative to a central axis of the first electrical connector.
12. 12. The headrest assembly of claim 9, wherein the first electrical connector further comprises a first connector first clamp and a first connector second clamp engaged with the first connector first clamp, and A portion of each of the plurality of first connector spring terminals is disposed between the first connector first clamp and the first connector second clamp.
13. 13. The headrest assembly of claim 9, wherein the second electrical connector comprises: a second connector body; a plurality of connector pins disposed on an outer surface of the second connector body for electrical connection with the plurality of first connector spring terminals, and A second connector housing over-molded over the second connector body and portions of the plurality of connector pins.
14. 14. The headrest assembly of claim 13, wherein the second connector housing comprises a plurality of openings that open radially outward to expose the plurality of connector pins.
15. 15. The headrest assembly of claim 14, wherein the plurality of connector pins comprise a radially inwardly open U-shaped configuration.
16. 16. The headrest assembly of claim 15, wherein the second electrical connector further comprises a second connector first clamp and a second connector second clamp coupled to opposite ends of the second connector body to limit movement of the plurality of connector pins.
17. 17. The headrest assembly of claim 16, wherein the second connector housing is overmolded on the second connector first clamp and the second connector second clamp.
18. 18. The headrest assembly of claim 1, wherein, in a coupled configuration of the first and second electrical connectors: A plurality of first connector spring terminals in contact with a plurality of connector pins of the second electrical connector; a first connector locking spring engages the second electrical connector to limit separation of the first electrical connector from the second electrical connector; The first alignment rib of the first electrical connector engaging the groove of the guide sleeve, and The second alignment rib of the second electrical connector engages the recess.
19. 19. The headrest assembly of claim 1, wherein in the first position of the guide sleeve locking spring, a pair of arms of the guide sleeve locking spring engage a pair of second connector protrusions of the second electrical connector to limit movement of the second electrical connector during connection with the first electrical connector, and In the second position of the guide sleeve locking spring, the first connector projection of the first electrical connector is partially disposed between and in contact with the locking spring projection of the guide sleeve locking spring such that the pair of arms are disengaged from the pair of second connector projections.
20. 20. The headrest assembly of claim 19, wherein a first end of the guide sleeve locking spring is secured to the guide sleeve, a second end of the guide sleeve locking spring is secured to the guide sleeve, and the pair of arms and the locking spring tab are disposed between the first end and the second end.

Description

Headrest assembly Technical Field The present disclosure relates generally to a headrest assembly (headrest assembly) including, for example, a headrest assembly that may be used in conjunction with a vehicle seat. Brief Description of Drawings While the claims are not limited to the particular illustrations, an appreciation of various aspects can be gained through a discussion of various examples. The figures are not necessarily to scale and certain features may be exaggerated or hidden to better illustrate and explain an innovative aspect of an example. Furthermore, the exemplary illustrations described herein are not intended to be exhaustive or otherwise limiting, and the embodiments are not limited to the precise forms and configurations shown in the drawings or disclosed in the following detailed description. The exemplary illustrations are described in detail below by referring to the drawings: fig. 1 is a schematic view generally illustrating an embodiment of a seat assembly including a headrest assembly having an electrical assembly in accordance with the teachings of the present disclosure. Fig. 2 is a schematic view generally illustrating portions of an embodiment of a seat assembly including a headrest assembly having an electrical assembly in accordance with the teachings of the present disclosure. Fig. 3 is an exploded perspective view generally illustrating an embodiment of a first connector and post (post) according to the teachings of the present disclosure. Fig. 4 is a cross-sectional view generally illustrating portions of an embodiment of a first connector in accordance with the teachings of the present disclosure. Fig. 5 is an end view generally illustrating an embodiment of a first connector having a first connector spring terminal (first connector SPRING TERMINAL) and a first wire (wire) in accordance with the teachings of the present disclosure. Fig. 6 is an exploded perspective view generally illustrating an embodiment of a second connector according to the teachings of the present disclosure. Fig. 7 is an exploded perspective view generally illustrating an embodiment of a second connector according to the teachings of the present disclosure. Fig. 8 is a perspective view generally illustrating an embodiment of a second connector according to the teachings of the present disclosure. Fig. 9 is an exploded perspective view generally illustrating an embodiment of a guide sleeve, first connector, second connector, and post according to the teachings of the present disclosure. Fig. 10 is an exploded perspective view generally illustrating an embodiment of a guide sleeve, first connector, and second connector according to the teachings of the present disclosure. Fig. 11 is a cutaway perspective view generally illustrating a portion of an embodiment of a second connector in a guide sleeve according to the teachings of the present disclosure. Fig. 12 is a cutaway perspective view generally illustrating a portion of an embodiment of a second connector in a guide sleeve according to the teachings of the present disclosure. Fig. 13 is a cross-sectional view generally illustrating an embodiment of a first connector and a second connector in a coupled configuration in accordance with the teachings of the present disclosure. Fig. 14 is a cutaway perspective view generally illustrating an embodiment of a first connector and a second connector in a coupled configuration in accordance with the teachings of the present disclosure. Fig. 15 is a cutaway perspective view generally illustrating an embodiment of a first connector and a second connector in a coupled configuration in accordance with the teachings of the present disclosure. Fig. 16 is a cross-sectional view taken along line XVI-XVI of fig. 15. Fig. 17 is a cutaway perspective view generally illustrating an embodiment of a first connector and a second connector in a coupled configuration in accordance with the teachings of the present disclosure. Fig. 18 is a cutaway perspective view generally illustrating an embodiment of a first connector and a second connector in a coupled configuration in accordance with the teachings of the present disclosure. Fig. 19 is a flow chart generally illustrating an embodiment of a method of assembling a headrest assembly according to the teachings of the present disclosure. Detailed Description Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments described. It will be apparent, however, to one of ordinary skill in the art that the various embodiments described may be practiced without these specific details. In other instances, well-known methods, procedures, components, circuits, and networks have not been described in detail so as not to unnecessarily obscure aspects of the embodiments. Referri