Headrest assembly

Abstract

A headrest assembly includes: a headrest; a post coupled to the headrest; a first electrical connector coupled with the post; the guide sleeve comprises a guide sleeve first end part and a guide sleeve second end part; a second electrical connector disposed in the guide sleeve and slidably coupled with the guide sleeve, the second electrical connector configured to engage with and disengage from 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.

Description

Technical Field

[0001] This disclosure generally relates to headrest assemblies, including, for example, headrest assemblies that can be used in conjunction with vehicle seats. Brief description of the attached diagram

[0002] While the claims are not limited to the specific illustrations, an understanding of the various aspects can be obtained through the discussion of various examples. The drawings are not necessarily to scale, and certain features may be exaggerated or omitted to better illustrate and explain the inventive aspects of the examples. Furthermore, the exemplary illustrations described herein are not exhaustive or otherwise limiting, and the embodiments are not limited to the precise forms and configurations shown in the drawings or disclosed in the detailed description below. The exemplary illustrations are described in detail below with reference to the accompanying drawings:

[0003] Figure 1 This is a schematic view illustrating an embodiment of a seat assembly including a headrest assembly with electrical components, based on the teachings of this disclosure.

[0004] Figure 2 This is a schematic view of a portion of an embodiment of a seat assembly including a headrest assembly with electrical components, which is generally illustrated according to the teachings of this disclosure.

[0005] Figure 3 This is an exploded perspective view illustrating an embodiment of the first connector and post according to the teachings of this disclosure.

[0006] Figure 4 This is a cross-sectional view that generally illustrates a portion of an embodiment of a first connector according to the teachings of this disclosure.

[0007] Figure 5 This is a general illustration of an end view of an embodiment of a first connector having a first connector spring terminal and a first wire, in accordance with the teachings of this disclosure.

[0008] Figure 6 This is an exploded perspective view illustrating an embodiment of the second connector according to the teachings of this disclosure.

[0009] Figure 7 This is an exploded perspective view illustrating an embodiment of the second connector according to the teachings of this disclosure.

[0010] Figure 8 This is a perspective view that generally illustrates an embodiment of a second connector according to the teachings of this disclosure.

[0011] Figure 9This is an exploded perspective view illustrating an embodiment of the guide sleeve, first connector, second connector, and post according to the teachings of this disclosure.

[0012] Figure 10 This is an exploded perspective view illustrating an embodiment of the guide sleeve, first connector, and second connector according to the teachings of this disclosure.

[0013] Figure 11 This is a cross-sectional perspective view of a portion of an embodiment of the second connector in the guide sleeve, which is generally illustrated according to the teachings of this disclosure.

[0014] Figure 12 This is a cross-sectional perspective view of a portion of an embodiment of the second connector in the guide sleeve, which is generally illustrated according to the teachings of this disclosure.

[0015] Figure 13 This is a cross-sectional view that generally illustrates an embodiment of a first connector and a second connector in a connection configuration according to the teachings of this disclosure.

[0016] Figure 14 This is a cross-sectional perspective view that generally illustrates an embodiment of a first connector and a second connector in a connection configuration according to the teachings of this disclosure.

[0017] Figure 15 This is a cross-sectional perspective view that generally illustrates an embodiment of a first connector and a second connector in a connection configuration according to the teachings of this disclosure.

[0018] Figure 16 It is along Figure 15 A sectional view taken by line XVI-XVI.

[0019] Figure 17 This is a cross-sectional perspective view that generally illustrates an embodiment of a first connector and a second connector in a connection configuration according to the teachings of this disclosure.

[0020] Figure 18 This is a cross-sectional perspective view that generally illustrates an embodiment of a first connector and a second connector in a connection configuration according to the teachings of this disclosure.

[0021] Figure 19 This is a flowchart illustrating an embodiment of a method for assembling a headrest assembly in accordance with the teachings of this disclosure. Detailed description

[0022] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. Numerous specific details are set forth in the following detailed description in order to provide a thorough understanding of the various embodiments described. However, it will be apparent to those skilled in the art that the various embodiments described can be practiced without these specific details. In other instances, well-known methods, processes, components, circuits, and networks have not been described in detail so as not to unnecessarily obscure aspects of the embodiments.

[0023] refer to Figure 1 The illustration shows a seat assembly 20 having a seat 30 (e.g., a vehicle seat) and an electronic controller 32 including a processor 34 and a memory 36. The seat 30 is configured to support an occupant 22. The seat assembly 20 is illustrated as a vehicle seat assembly for a vehicle 24, but can be used in other applications. The seat 30 includes a seat base 50 and a seat back 52 coupled to the seat base 50. The seat 30 is coupled to a mounting surface 26 (such as the base plate of the vehicle 24). The seat assembly 20 defines a longitudinal direction X, a lateral direction Y, and a vertical direction Z.

[0024] Seat 30 includes a headrest assembly 70 coupled to seat back 52. Headrest assembly 70 includes a headrest 72, a guide sleeve 74, and electrical components 76. Headrest 72 includes a post 78 configured to insert into and / or engage with the guide sleeve 74. Guide sleeve 74 is coupled (e.g., fixed) to seat back 52. For example, inserting post 78 into guide sleeve 74 couples headrest 72 to seat back 52. Optionally, headrest 72 includes more than one post 78 and a guide sleeve 74 for each post 78.

[0025] refer to Figure 2 Electrical component 76 includes a first connector 90 (e.g., a first electrical connector), a second connector 92 (e.g., a second electrical connector), a headrest electrical component 94, and / or a seat electrical component 96. The headrest electrical component 94 is coupled to and / or at least partially disposed within the headrest 72. Optionally, the headrest electrical component 94 includes one or more of a speaker, heater, microphone, motor, airbag, or other electrical components. The seat electrical component 96 is disposed within the seat 30, such as in the seat base 50. Figure 1The headrest electrical component 94 is located in and / or connected to the seat 30 in the seat backrest 52. The seat electrical component 96 may optionally include one or more of a power supply, a controller (such as electronic controller 32), or other electrical components. A first connector 90 is electrically connected to the headrest electrical component 94, such as via a first wire 98. A second connector 92 is electrically connected to the seat electrical component 96, such as via a second wire 100. The first connector 90 and the second connector 92 are configured to engage with each other (e.g., mechanically and electrically) in the connection direction D to electrically connect the headrest electrical component 94 to the seat electrical component 96.

[0026] refer to Figure 3 The first connector 90 is connectable to the post 78 and includes a first connector housing 110, one or more first connector locking springs (such as a first connector first locking spring 112 and a first connector second locking spring 114), a plurality of first connector spring terminals 116, a first connector first clip 118, and / or a first connector second clip 120. In an assembly configuration of the first connector 90, the first connector first locking spring 112, the first connector second locking spring 114, the plurality of first connector spring terminals 116, the first connector first clip 118, and / or the first connector second clip 120 are disposed in the first connector housing 110. The first connector housing 110 includes a first end 130 coupled to the post 78 and configured to receive a second connector 92. Figure 2 The second end 132 of the first connector 92. In the assembly configuration, some or all of the first connector first locking spring 112 and the first connector second locking spring 114 are closer to the second end 132 than the plurality of first connector spring terminals 116. Locking springs 112, 114 are connected to the first connector housing 110 and extend inward to engage the second connector 92. Figure 2 The first wire 98 is electrically connected to a corresponding first connector spring terminal 116. For example, each first wire 98 is resistance welded to a first end 134 of the first connector spring terminal 116. The first end 134 of the first connector spring terminal 116 extends inward and is disposed between the first connector clamps 118, 120, such that the first connector spring terminal 116 is held relative to the first connector clamps 118, 120. The first connector clamps 118, 120 are engaged with the first connector housing 110, for example via a press fit, which engages the first connector spring terminal 116 with the first connector housing 110. The first connector housing 110 includes at least one first connector protrusion 122 that extends axially from the second end 132 (e.g., toward the second connector 92). Figure 2The first connector spring terminal 116 is biased inward (e.g., radially inward) to contact the connector pin 172 of the second connector 92. Figure 6 ).

[0027] One or more dimensions of the first connector housing 110 correspond to one or more dimensions of the post 78, such as corresponding to the outer dimension 78A (e.g., diameter) and inner dimension 78B (e.g., inner diameter) of the post 78. For example, the outer dimension 130A of the first end 130 of the first connector housing 110 is smaller than the inner dimension 78B, and the outer dimension 110A of the first connector housing 110 is less than or equal to the outer dimension 78A. Optionally, the inner dimension 78B is at least 9 mm and less than 11 mm, such as 10 mm, so the outer dimension 130A can be less than or equal to 10 mm (e.g., greater than or equal to 9 mm). Additionally or alternatively, the outer dimension 78A may optionally be at least 13 mm and less than or equal to 15 mm, such as less than 14 mm, so the outer dimension 110A can be less than or equal to 14 mm (e.g., and greater than or equal to 10 mm). In some examples, the outer dimension 110A is at least 95% and less than or equal to 100% of the outer dimension 78A, and / or the outer dimension 130A is at least 95% and less than 100% of the inner dimension 78B. The outer dimensions 78A and 110A are smaller than the inner dimensions (e.g., inner diameter) of the guide sleeve 74, which are, for example, at least 13 mm and less than or equal to 15 mm, such as less than or equal to 14 mm.

[0028] refer to Figure 4 Locking springs 112, 114, first connector spring terminal 116, and first connector clamps 118, 120 are illustrated as being located within a first connector housing 110 of a first connector 90. Locking springs 112, 114 are partially disposed within a wall 136 (e.g., a first connector housing wall) of the first connector housing 110. Each of the locking springs 112, 114 includes a first end 140, a second end 142, and a protrusion 144 disposed between the first end 140 and the second end 142. The first end 140 is closer to the first end 130 of the first connector housing 110 than the second end 142. The protrusion 144 extends inward toward the center of the first connector housing 110 to engage a second connector 92 (…). Figure 2In the illustrated example, the protrusion 144 is configured as a V-shaped bend. At least one of the first end 140 or the second end 142 is rigidly fixed to the first connector housing 110. For example, locking springs 112, 114 are non-rotatably fixed to the first connector housing 110, wherein the second end 142 is rigidly fixed to the first connector housing 110, and the first end 140 is allowed to slide at least to some extent in the axial direction, such as in connection with the second connector 92 ( Figure 2 Sliding during the deflection caused by contact.

[0029] A pair of first connector spring terminals 116 are illustrated partially within corresponding channels 150 of wall 136. Channels 150 open inward and restrict circumferential movement of the first connector spring terminals 116. Distal ends 152 of the first connector spring terminals 116 are disposed in channels 150 such that the distal ends 152 slide freely in the axial direction (e.g., in the connection direction D) relative to the central axis 154 of the first connector 90.

[0030] refer to Figure 5 Four first connector spring terminals 116 are illustrated as being arranged circumferentially spaced, wherein each first connector spring terminal 116 is partially disposed in a corresponding one of the channels 150 in the wall 136. Each first connector spring terminal 116 is electrically connected to a corresponding first wire 98.

[0031] refer to Figure 6 The exploded view illustrates a second connector 92, which has a second connector body 170, a plurality of connector pins 172, a second connector first clamp 174, a second connector second clamp 176, and a second connector housing 178. The plurality of connector pins 172 are disposed on the outer surface 180 of the second connector body 170. The number of connector pins 172 corresponds to the number of spring terminals 116 of the first connector. Figure 3 The quantity matching is shown. In the illustrated example, the first connector 90 includes four first connector spring terminals 116. Figure 3 The second connector 92 includes four connector pins 172. The connector pins 172 have an inwardly open U-shaped configuration and are arranged circumferentially spaced on the outer surface 180 for insertion into the first connector 90. Figure 3 When in contact with the first connector spring terminal 116 ( Figure 3 Each of the plurality of second wires 100 is electrically connected (e.g., resistance soldered) to a corresponding one of the connector pins 172.

[0032] refer to Figure 7Connector pins 172 are shown on the outer surface 180 of the second connector body 170 and are electrically connected to a plurality of second wires 100. A first clamp 174 of the second connector engages with a first end 182 of the second connector body 170 to restrict radial movement (e.g., outward radial movement) of the first end 184 of the connector pins 172. A second clamp 176 of the second connector engages with a second end 186 of the second connector body 170 to restrict radial movement (e.g., outward radial movement) of the second end 188 of the connector pins 172. For example, the second connector clamps 174 and 176 are coupled to opposite ends of the second connector body 170. The U-shaped configuration of the connector pins 172 engages with the second connector body 170 such that axial movement and radially inward movement of the connector pins 172 are restricted.

[0033] refer to Figure 8 The second connector housing 178 is illustrated to cover the second connector body 170 and the second connector clamps 174, 176, and also covers the connector pins 172 and a portion of the second wire 100. The second connector housing 178 includes an opening 198 such that the exposed portion 200 of the connector pins 172 is not covered by the second connector housing 178, allowing for contact with the first connector spring terminal 116. Figure 3 Electrical connection. In the illustrated example, the second connector housing 178 is overmolded onto the second connector body 170, the second connector clamps 174, 176, and portions of the connector pins 172 and the second wire 100. The second connector housing 178 includes a flange 190 (e.g., a radially extending flange), a plurality of second connector protrusions 192 extending radially outward from the flange 190, and a plurality of protrusions 194 extending radially outward and closer to the first end 182 than the flange 190. The plurality of protrusions 194 are positioned to contact and / or engage the first connector locking springs 112, 114. Figure 3 ).

[0034] refer to Figure 9The exploded view illustrates the guide sleeve 74, post 78, first connector 90, second connector 92, first guide sleeve locking spring 202, second guide sleeve locking spring 204, and spring 210 (e.g., a coil spring). The first connector 90 is coupled to the post 78. For example, a first end 130 of the first connector housing 110 includes a tab 220 that extends radially outward to engage a groove 222 in the post 78. The groove 222 has an L-shaped configuration. The first end 130 is inserted into the post 78, and the tab 220 slides into the groove 222. As the tab 220 reaches the axial end of the groove 222, the first connector housing 110 rotates, causing the tab 220 to move into a radial section of the groove 222, thereby locking the first connector 90 to the post 78. The second connector 92 is inserted into the guide sleeve 74. A spring 210 is disposed in the guide sleeve 74 such that the spring 210 partially surrounds the second connector housing 178 and contacts the flange 190 of the second connector housing 178 to bias the second connector 92 toward a first end 214 (e.g., a tip portion) of the guide sleeve 74, the first end 214 being disposed opposite to a second end 218 of the guide sleeve. For example, in a separate configuration of the first connector 90 and the second connector 92, the second connector 92 is disposed at the first end 214 of the guide sleeve 74.

[0035] Locking springs 202 and 204 are inserted into guide sleeve 74, such as partially into guide sleeve wall 216, and positioned to engage second connector 92 to restrict downward (e.g., away from first end 214) movement of second connector 92. Each of locking springs 202 and 204 includes a first end 230, a second end 232, a locking spring protrusion 234, and a set of arms 236 (e.g., a pair of arms). The first end 230 and the second end 232 are at least partially disposed in guide sleeve wall 216 such that locking springs 202 and 204 are non-rotatably coupled (e.g., fixed) to guide sleeve 74. The pair of arms 236 are configured to engage second connector protrusion 192 to restrict downward movement of second connector 92, at least when locking springs 202 and 204 are in a first position. Locking spring protrusion 234 is positioned to contact first connector protrusion 122 at least during insertion of first connector 90 into second connector 92. This contact between the first connector protrusion 122 and the locking spring protrusion 234 causes the locking spring protrusion 234 and the pair of arms 236 to deflect radially outward, disengaging the pair of arms 236 from the second connector protrusion 192. This allows the second connector 92, which is connected to the first connector 90, to slide along the guide sleeve 74. This sliding movement allows the headrest 72 ( Figure 2The height adjustment, for example, simultaneously maintains electrical connections between the first connector 90 and the second connector 92, the first wire 98 and the second wire 100, and / or the headrest electrical component 94 and the seat electrical component 96. In the illustrated example, the protrusion 234 is configured as a V-shaped bend, and the guide sleeve locking springs 202, 204 include an H-shaped configuration, wherein the ends 230, 232 serve as legs, and the protrusion 234 and arm 236 serve as intermediate sections.

[0036] Optionally, the first connector 90 and the second connector 92 include alignment ribs 252, 254, which extend radially outward to engage corresponding grooves 256 of the guide sleeve 74. Figure 16 Alignment ribs 252 and 254 of the engagement groove 256 ensure that the first connector 90 and the second connector 92 are inserted into the guide sleeve 74 in the correct orientation and restrict rotation of the first connector 90 and the second connector 92. Alignment rib 254 extends from flange 190.

[0037] Figure 10 The diagram shows a guide sleeve 74 with a central axis 80, a first connector 90 connected to a first wire 98, and a second connector 92 connected to a second wire 100, with the spring 210, post 78, and first connector housing 110 concealed before the first connector 90 is connected to the second connector 92. For illustrative purposes, the second connector 92 is shown extending beyond the guide sleeve 74. The guide sleeve 74 includes a retaining tab 250 extending inward to contact a flange 190 to prevent the second connector 92 from partially or completely dislodging from the guide sleeve 74. Optionally, the retaining tab 250 can be actuated (e.g., radially outward) so that the second connector 92 can be removed from the guide sleeve 74.

[0038] refer to Figure 11 and Figure 12 The cross-sectional perspective view illustrates the second connector 92 in the guide sleeve 74. Figure 11 and Figure 12 The cross-section shown was taken using a vertical plane. Figure 11 The cross-sectional view shown illustrates the flange 190 of the second connector 92, which is located below and adjacent to the retaining tab 250, such that the second connector 92 faces the first end 214 of the guide sleeve 74 (e.g., in...). Figure 11 The upward movement of the flange 190 is restricted. The spring 210 biases the flange 190 toward the retaining tab 250 and / or biases the flange 190 into contact with the retaining tab 250. Figure 12 The cross-section shown illustrates the engagement between the arm 236 of the guide sleeve locking spring 202 and the second connector protrusion 192. This engagement restricts or prevents downward movement of the second connector 92 to facilitate engagement with the first connector 90 ( Figure 9 The connection of the first connector 90 and the second connector 92. For example, during the connection of the first connector 90 and the second connector 92, the engagement between the arms 236 of the locking springs 202, 204 and the second connector protrusion 192 can withstand the axial force applied to the second connector 92, which corresponds to the frictional force between the first connector 90 and the second connector 92. The ends 230, 232 of the guide sleeve locking springs 202, 204 are at least partially positioned in the guide sleeve wall 216, such that at least rotational, radial, and circumferential movement of the ends 230, 232 is prevented. The guide sleeve locking springs 202, 204 in Figure 12 The first position is shown in the diagram (e.g., the default position).

[0039] refer to Figure 13 The first connector 90 is illustrated as being coupled to post 78, and the first connector 90 and the second connector 92 are shown in a coupled configuration in which the first connector spring terminal 116 is electrically connected to the connector pin 172, which electrically connects the first wire 98 to the second wire 100. A protrusion 194 has been inserted through the first connector locking springs 112, 114, thus restricting separation (e.g., removal of the second connector 92 from the first connector 90).

[0040] refer to Figure 14 and Figure 15 The illustration shows Figure 13 An enlarged perspective view of the connecting configuration portion. Figure 14 and Figure 15 The cross-section shown is taken using a vertical plane. For example, Figure 14 The cross-section shown is cut through the retaining tab 250, and Figure 15 The cross-section shown is taken through the guide sleeve locking springs 202 and 204. (As shown) Figure 14 As shown, in the connection configuration, the second end 132 of the first connector housing 110 contacts or is adjacent to the flange 190. The flange 190 extends radially beyond the first connector housing 110 to contact the retaining tab 250 and prevent the second connector 92 from being removed from the guide sleeve 74. Furthermore, during the separation of the first connector 90 and the second connector 92, the contact between the retaining tab 250 and the flange 190 holds the second connector 92 in place against the upward force applied to the first connector 90 to overcome the frictional force between the first connector locking springs 112, 114 and the protrusion 194.

[0041] refer to Figure 15The diagram shows a first connector housing 110, wherein a first connector protrusion 122 contacts a locking spring protrusion 234 of guide sleeve locking springs 202, 204, causing the locking spring protrusion 234 and arm 236 to be radially deflected outward to a second position. The outward deflection of arm 236 to the second position causes arm 236 to contact a second connector protrusion 192. Figure 12 This allows the second connector 92 and the first connector 90 coupled to it to slide together down and up along the guide sleeve 74 to adjust the headrest 72. Figure 2 The height of the first connector protrusion 122 is such that, when the first connector protrusion 122 contacts the locking spring protrusion 234, the first connector protrusion 122 is partially disposed on the paired arms 236. Figure 12 )between. Figure 16 It is along Figure 15 The cross-sectional view taken along line XVI-XVI illustrates the first connector protrusion 122 in contact with the locking spring protrusion 234 and the arm 236 disengaged from the second connector protrusion 192.

[0042] refer to Figure 17 The first connector 90 and the second connector 92 are illustrated as being positioned within the guide sleeve 74 from... Figure 15 The connection configuration shown is a downwardly shifted position. The first connector protrusion 122 is positioned directly below the locking spring protrusion 234, allowing the locking spring protrusion 234 to spring back to the first position. Optionally, the locking spring protrusion 234 contacts the outer surface of the first connector housing 110. (Reference) Figure 18 The first connector 90 and the second connector 92 are illustrated as being positioned within the guide sleeve 74 from... Figure 17 The position shown is further shifted downwards to a lower position connection configuration. Figure 15 The position shown is to the lower position ( Figure 18 The distance between them can be at least 40mm, such as up to 100mm, or 48mm to 70mm, or other distances.

[0043] refer to Figure 19 The illustration shows a method 300 for assembling a headrest assembly, which can be used with... Figures 1 to 18 The seat assembly 20, headrest assembly 70, and their components shown are used together. Method 300 includes assembling the first connector 90 (box 302), assembling the second connector 92 (box 304), connecting the first connector 90 to the post 78 (box 306), inserting the guide sleeve into the seat back 52 (box 308), inserting the second connector 92 into the guide sleeve 74 (box 310), and connecting the first connector 90 and the second connector 92 (box 312).

[0044] Assembling the first connector 90 in block 302 includes, for example, inserting a first wire 98 through a first connector first clamp 118, resistance welding the first wire 98 to a first connector spring terminal 116, sliding the first connector first clamp 118 to engage with the first connector spring terminal 116, and engaging a first connector second clamp 120 with the first connector first clamp 118 to form a first connector subassembly. Assembling the first connector 90 in block 302 may further include inserting the first connector subassembly into a first connector housing 110 and inserting first connector locking springs 112, 114 into the first connector housing 110.

[0045] Assembling the second connector 92 in frame 304 includes, for example, inserting a second wire 100 through a second connector first clamp 174, resistance welding the second wire 100 to connector pins 172, positioning the connector pins 172 on the outer surface 180 of the second connector body 170 such that the connector pins 172 extend at least partially around and partially receive the second connector body 170, sliding the second connector first clamp 174 to engage with the second connector body 170, sliding the second connector second clamp 176 to engage with the second connector body 170, and molding a second connector housing 178 at least partially overmolded over the second wire 100, the second connector body 170, the second connector pins 172, and the second connector clamps 174 and 176. The second connector housing 178 is overmolded with an opening 198 such that a portion 200 of the connector pins 172 is exposed (e.g., not covered by the second connector housing 178) for contact and electrical connection with the first connector spring terminal 116.

[0046] Inserting the second connector 92 into the guide sleeve 74 in frame 310 includes sliding the flange 190 downward past the retaining tab 250, causing at least some of the retaining tab 250 to deflect outward. The retaining tab 250 then restricts upward movement of the second connector 92, and the spring 210 biases the second connector 92 upward toward or into contact with the retaining tab 250. The second connector 92 is disposed in and slidably coupled to the guide sleeve 74.

[0047] Optionally, the insertion of the second connector 92 into the guide sleeve 74 in block 310 is performed before the insertion of the guide sleeve 74 into the seat back 52 in block 308. In some examples, blocks 302 and 306 are performed in parallel with blocks 304, 308, and 310.

[0048] The engagement of the first connector 90 and the second connector 92 in frame 312 includes at least partially inserting the first connector 90 into the guide sleeve 74 such that the second connector 92 is inserted into the first connector 90. Inserting the second connector 92 into the first connector 90 includes applying a coupling force (e.g., a downward force) to the first connector 90 to overcome the frictional force between the first connector locking springs 112, 114 and the protrusion 194. Continued insertion of the second connector 92 causes the first connector protrusion 122 to contact the locking spring protrusion 234 of the guide sleeve locking springs 202, 204, thereby disengaging the arm 236 from the second connector protrusion 192.

[0049] Compared to other designs, the embodiments of the seat assembly (e.g., seat assembly 20) and / or headrest assembly (e.g., headrest assembly 70) disclosed herein can provide increased functionality and / or allow for less complex assembly and disassembly. For example, the first connector 90 can be coupled to a post 78 having a relatively small diameter, and both the first connector 90 and the second connector 92 can be inserted into a guide sleeve 74 and moved vertically within the guide sleeve 74. Furthermore, the first connector 90 and the second connector 92 can be coupled together by applying a downward force to the first connector 90 (e.g., without separate actuation or holding components) and can be separated by applying an upward force to the first connector 90 (e.g., without separate actuation or holding components). For example, the headrest assembly 70 can be configured to automatically hold the second connector 92 in place during engagement and disengagement from the first connector 90, and the headrest assembly 70 can be configured such that external actuation to release tabs, etc., is not required during engagement or disengagement. Moreover, the headrest assembly 70 can provide greater durability than other designs. For example, headrest assembly 70 is configured for at least 3,000 mating cycles (e.g., connection and disconnection of connectors 90, 92).

[0050] This disclosure includes the following non-limiting embodiments:

[0051] A headrest assembly includes: a headrest; a post connected to the headrest; a first electrical connector connected to the post; a guide sleeve including a first end and a second end; a second electrical connector disposed in and slidably connected to the guide sleeve, the second electrical connector being configured to engage and disengage from the first electrical connector; and a guide sleeve locking spring connected to the guide sleeve and including a first position and a second position, wherein in the first position the guide sleeve locking spring engages with the second electrical connector to limit movement of the second electrical connector away from the first end of the guide sleeve, and in the second position the guide sleeve locking spring contacts the first electrical connector.

[0052] According to any of the foregoing embodiments of the headrest assembly, the second position of the guide sleeve locking spring includes the guide sleeve locking spring being radially outwardly deflected relative to the central axis of the guide sleeve from the first position of the guide sleeve locking spring.

[0053] According to any of the foregoing embodiments of the headrest assembly, the guide sleeve locking spring is connected to the guide sleeve to prevent the locking spring from rotating relative to the guide sleeve.

[0054] According to any of the foregoing embodiments, in the separate configuration of the first electrical connector and the second electrical connector, the second electrical connector is disposed at the first end of the guide sleeve.

[0055] The headrest assembly according to any of the foregoing embodiments further includes a helical spring disposed in the guide sleeve and biasing the second electrical connector toward the first end of the guide sleeve.

[0056] According to any of the foregoing embodiments, the headrest assembly, wherein the first electrical connector includes: a first connector housing; a first connector locking spring disposed in the housing to engage a second electrical connector; and a first connector spring terminal disposed in the first connector housing.

[0057] According to any of the foregoing embodiments, the headrest assembly includes a first end portion connected to a post and a second end portion configured to receive a second electrical connector; and a first connector locking spring is positioned closer to the second end portion than a first connector spring terminal.

[0058] According to any of the foregoing embodiments, the headrest assembly wherein the first connector spring terminal is partially disposed in the first connector housing wall of the first connector housing.

[0059] According to any of the foregoing embodiments of the headrest assembly, the first electrical connector includes a plurality of first connector spring terminals, the plurality of first connector spring terminals including first connector spring terminals; and the plurality of first connector spring terminals are partially disposed in corresponding first connector housing walls of the first connector housing.

[0060] According to any of the foregoing embodiments, in the headrest assembly, a plurality of first connector spring terminals are radially inwardly biased relative to the central axis of the first electrical connector.

[0061] According to any of the foregoing embodiments of the headrest assembly, the first connector housing wall includes a corresponding channel in which a plurality of first connector spring terminals are partially disposed; the channel restricts circumferential movement of the plurality of first connector spring terminals; and the distal ends of the plurality of first connector spring terminals are disposed in the channel and slide freely in the channel in the axial direction relative to the central axis of the first electrical connector.

[0062] According to any of the foregoing embodiments, the headrest assembly further includes a first connector first clamp and a first connector second clamp engaging 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.

[0063] According to any of the foregoing embodiments, the headrest assembly, wherein the second electrical connector includes: a second connector body; a plurality of connector pins disposed on the outer surface of the second connector body for electrical connection with a plurality of first connector spring terminals; and a second connector housing overmolded on the second connector body and portions of the plurality of connector pins.

[0064] According to any of the foregoing embodiments, the headrest assembly includes a plurality of openings that open radially outward to expose a plurality of connector pins.

[0065] According to any of the foregoing embodiments, the headrest assembly includes a plurality of connector pins comprising a radially inwardly open U-shaped configuration.

[0066] According to any of the foregoing embodiments of the headrest assembly, the second electrical connector further includes a second connector first clamp and a second connector second clamp, the second connector first clamp and the second connector second clamp being coupled to opposite ends of the second connector body to restrict movement of a plurality of connector pins.

[0067] According to any of the foregoing embodiments, the headrest assembly wherein the second connector housing is overmolded onto the second connector first clamp and the second connector second clamp.

[0068] According to any of the foregoing embodiments of the headrest assembly, in the connection configuration of the first electrical connector and the second electrical connector: a plurality of first connector spring terminals contact a plurality of connector pins of the second electrical connector; a first connector locking spring engages with the second electrical connector to restrict separation of the first electrical connector from the second electrical connector; a first alignment rib of the first electrical connector engages with a groove of the guide sleeve; and a second alignment rib of the second electrical connector engages with the groove.

[0069] According to any of the foregoing embodiments of the headrest assembly, in a first position of the guide sleeve locking spring, a pair of arms of the guide sleeve locking spring engage with a pair of second connector protrusions of the second electrical connector to restrict movement of the second electrical connector during connection with the first electrical connector; and in a second position of the guide sleeve locking spring, a first connector protrusion of the first electrical connector is partially disposed between the pair of second connector protrusions and contacts the locking spring protrusion of the guide sleeve locking spring, such that the pair of arms disengage from the pair of second connector protrusions.

[0070] According to any of the foregoing embodiments of the headrest assembly, a first end of the guide sleeve locking spring is fixed to the guide sleeve, a second end of the guide sleeve locking spring is fixed to the guide sleeve, and a pair of arms and locking spring protrusions are disposed between the first end and the second end.

[0071] According to any of the foregoing embodiments, the headrest assembly has an inner diameter of at least 13 mm and less than or equal to 15 mm.

[0072] According to any of the foregoing embodiments of the headrest assembly, the second electrical connector has an adjustment range of at least 40 mm and less than or equal to 70 mm within the guide sleeve.

[0073] A seat assembly including a headrest assembly according to any of the foregoing embodiments.

[0074] A means of transportation, including a headrest assembly according to any of the foregoing embodiments.

[0075] A means of transportation, including a seat assembly according to any of the foregoing embodiments.

[0076] In the example, the controller (e.g., electronic controller 32) may include an electronic controller and / or an electronic processor, such as a programmable microprocessor and / or a microcontroller. In embodiments, the controller may include, for example, an application-specific integrated circuit (ASIC) and / or an embedded controller. The controller may include a central processing unit (CPU), memory (e.g., a non-transitory computer-readable storage medium), and / or input / output (I / O) interfaces. The controller may be configured to perform various functions, including those described in more detail herein, using appropriate programming instructions and / or code embodied in software, hardware, and / or other media. In embodiments, the controller may include multiple controllers. In embodiments, the controller may be connected to a display, such as a touchscreen display.

[0077] This document describes various examples / implementations for use in various devices, systems, and / or methods. Numerous specific details are set forth to provide a thorough understanding of the overall structure, function, manufacture, and use of the examples / implementations described in the specification and illustrated in the accompanying drawings. However, those skilled in the art will understand that the examples / implementations can be practiced without such specific details. In other instances, well-known operations, components, and elements have not been described in detail so as not to obscure the examples / implementations described in this specification. Those skilled in the art will understand that the examples / implementations described and illustrated herein are non-limiting examples, and therefore it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.

[0078] Throughout this specification, references to “example,” “in an example,” “according to an example,” “in the illustrated example,” “various embodiments,” “according to an embodiment,” “in an embodiment,” “embodiment,” “according to some configurations,” “in some configurations,” etc., indicate that a particular feature, structure, or characteristic described in connection with an example / embodiment is included in at least one embodiment. Therefore, the appearance of the phrases “example,” “in an example,” “according to an example,” “in the illustrated example,” “in various embodiments,” “according to an embodiment,” “in an embodiment,” “embodiment,” “according to some configurations,” “in some configurations,” etc., throughout this specification does not necessarily refer to the same embodiment. Furthermore, particular features, structures, and / or characteristics can be combined in any suitable manner in one or more examples / embodiments. Therefore, a particular feature, structure, or characteristic shown or described in connection with one embodiment / example can be combined, in whole or in part, without limitation, with features, structures, functions, and / or characteristics of one or more other embodiments / examples, provided that such combination is not illogical or ineffective. Moreover, many modifications can be made to adapt a particular situation or material to the teachings of this disclosure without departing from the scope of this disclosure. The term “exemplary” is used herein to mean “as a non-limiting example.”

[0079] It should be understood that references to a single element are not necessarily so restrictive and may include one or more such elements unless the context explicitly indicates otherwise. Any directional references (e.g., positive, negative, upper, lower, up, down, left, right, to the left, to the right, top, bottom, below, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes only to aid the reader in understanding this disclosure and do not create any limitation, particularly regarding the location, orientation, or use of the examples / embodiments.

[0080] "One or more" includes functions performed by a single element, functions performed by more than one element (e.g., in a distributed manner), several functions performed by a single element, several functions performed by several elements, or any combination of the foregoing. The term "at least one" in the context of, for example, "at least one of A, B, and C" or "at least one of A, B, or C" includes only A, only B, only C, or any combination or subset of A, B, and C, including any combination or subset of one or more A's, one or more B's, and one or more C's. A "set" of elements can include any number of one or more elements.

[0081] Although the terms first, second, etc., are used in certain circumstances to describe various elements herein, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element, without departing from the scope of the various embodiments described. Both the first element and the second element are elements, but they are not the same element.

[0082] The terminology used in the description of the various embodiments described herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in the description of the various described embodiments and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. The term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items. The use of “and” and “or” should be interpreted broadly (e.g., considered as “and / or”). For example, and without limitation, the use of “and” does not necessarily require all listed elements or features, and the use of “or” is inclusive unless such a construction would otherwise be illogical. When used in this specification, the terms “includes,” “including,” “comprises,” and / or “comprising” specify the presence of the stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0083] References to engagement (e.g., attachment, connection, link, etc.) should be interpreted broadly and may include intermediate members between connected elements, relative movement between elements, direct connection, indirect connection, fixed connection, movable connection, operative connection, indirect contact, and / or direct contact. Therefore, references to engagement do not necessarily mean that two elements are directly connected / linked and fixed to each other. Connections of electrical components (if any) may include mechanical connections, electrical connections, wired connections, and / or wireless connections, etc. The use of "e.g." and "such as" in this specification should be interpreted broadly and is intended to provide non-limiting examples of embodiments of this disclosure, and this disclosure is not limited to such examples.

[0084] While this paper may describe processes, systems, and methods by combining one or more steps in a particular sequence, these methods can be practiced by steps in different orders, by performing certain steps simultaneously, by adding steps, and / or by omitting certain steps described.

[0085] As used herein, the term "if" may optionally be interpreted as "when," "in response to determining," or "in response to detecting," depending on the context. Similarly, the phrase "if determined" or "if [condition or event] is detected" may optionally be interpreted as "when determined," "in response to determining," "when [the condition or event] is detected," or "in response to detecting [the condition or event]," depending on the context.

[0086] References to vehicles may include one or more of a variety of vehicles, including but not limited to passenger cars (e.g., sedans, pickup trucks, SUVs, crossovers, etc.), trucks, buses, airplanes, or ships.

[0087] Everything contained in the above description or shown in the accompanying drawings should be interpreted as illustrative rather than limiting. Changes may be made in detail or structure without departing from this disclosure.

Claims

1. A headrest assembly, comprising: Headrest; The column is connected to the headrest; A first electrical connector is connected to the post; A guide sleeve, the guide sleeve comprising a first end and a second end; A second electrical connector is disposed in the guide sleeve and slidably connected to the guide sleeve, and the second electrical connector is configured to engage and disengage from the first electrical connector; and A guide sleeve locking spring is coupled to the guide sleeve and includes a first position and a second position. In the first position, the guide sleeve locking spring engages with a second electrical connector to restrict movement of the second electrical connector away from a first end of the guide sleeve. In the second position, the guide sleeve locking spring contacts the first electrical connector.

2. The headrest assembly according to claim 1, wherein, The second position of the guide sleeve locking spring includes the guide sleeve locking spring being radially outward from the first position of the guide sleeve locking spring relative to the central axis of the guide sleeve.

3. The headrest assembly according to claim 1, wherein, The locking spring of the guide sleeve is connected to the guide sleeve to prevent the locking spring from rotating relative to the guide sleeve.

4. The headrest assembly according to claim 1, wherein, In the separate configuration of the first electrical connector and the second electrical connector, the second electrical connector is disposed at the first end of the guide sleeve.

5. The headrest assembly of claim 4 further includes a helical spring disposed in the guide sleeve and biasing the second electrical connector toward the first end of the guide sleeve.

6. The headrest assembly according to claim 1, wherein, The first electrical connector includes: First connector housing; A first connector locking spring, disposed within the housing to engage the second electrical connector; and The first connector spring terminal is disposed in the first connector housing.

7. The headrest assembly according to claim 6, wherein, The first connector housing includes a first end portion coupled to the post and a second end portion configured to receive the second electrical connector; and The first connector locking spring is positioned closer to the second end than the first connector spring terminal.

8. The headrest assembly according to claim 6, wherein, The spring terminal of the first connector is partially disposed in the first connector housing wall of the first connector housing.

9. The headrest assembly according to claim 6, wherein, The first electrical connector includes a plurality of first connector spring terminals, wherein the plurality of first connector spring terminals include the first connector spring terminals; and The plurality of first connector spring terminals are partially disposed in the respective first connector housing walls of the first connector housing.

10. The headrest assembly according to claim 9, wherein, The plurality of first connector spring terminals are radially inward biased relative to the central axis of the first electrical connector.

11. The headrest assembly according to claim 9, wherein, The first connector housing wall includes corresponding channels, and the plurality of first connector spring terminals are partially disposed in the channels; The channel restricts the circumferential movement of the plurality of first connector spring terminals; and The distal ends of the plurality of first connector spring terminals are disposed in the channel and slide freely in the channel in the axial direction relative to the central axis of the first electrical connector.

12. The headrest assembly according to claim 9, wherein, The first electrical connector further includes a first connector first clamp and a first connector second clamp that engages 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. The headrest assembly according to claim 9, wherein, The second electrical connector includes: Second connector body; Multiple connector pins, arranged on the outer surface of the second connector body, are used for electrical connection with the multiple first connector spring terminals; and The second connector housing is molded over the second connector body and portions of the plurality of connector pins.

14. The headrest assembly according to claim 13, wherein, The second connector housing includes a plurality of openings that open radially outward to expose the plurality of connector pins.

15. The headrest assembly according to claim 14, wherein, The plurality of connector pins include a radially inwardly open U-shaped configuration.

16. The headrest assembly according to claim 15, wherein, The second electrical connector further includes a second connector first clamp and a second connector second clamp, which are coupled to opposite ends of the second connector body to restrict movement of the plurality of connector pins.

17. The headrest assembly according to claim 16, wherein, The second connector housing is molded onto the second connector first clamp and the second connector second clamp.

18. The headrest assembly according to claim 1, wherein, In the connection configuration of the first electrical connector and the second electrical connector: Multiple first connector spring terminals contact multiple connector pins of the second electrical connector; The first connector locking spring engages with the second electrical connector to prevent the first electrical connector from separating from the second electrical connector; The first alignment rib of the first electrical connector engages with the groove of the guide sleeve; and The second alignment rib of the second electrical connector engages with the groove.

19. The headrest assembly according to claim 1, wherein, In the first position of the guide sleeve locking spring, a pair of arms of the guide sleeve locking spring engage with a pair of second connector protrusions of the second electrical connector to restrict the 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 protrusion of the first electrical connector is partially disposed between the pair of second connector protrusions and contacts the locking spring protrusion of the guide sleeve locking spring, such that the pair of arms disengage from the pair of second connector protrusions.

20. The headrest assembly according to claim 19, wherein, The first end of the guide sleeve locking spring is fixed to the guide sleeve, the second end of the guide sleeve locking spring is fixed to the guide sleeve, and the pair of arms and the locking spring protrusion are disposed between the first end and the second end.

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