CN108001317A

CN108001317A - Power head constrained system with flexible closure cover element

Info

Publication number: CN108001317A
Application number: CN201710984739.4A
Authority: CN
Inventors: 乔纳森·安德鲁·莱恩; 克里斯蒂安·J·赫斯巴赫; 卡罗尔·凯西; 马克·席尔瓦·康德拉德; 史蒂文·苏桑卡; 基思·艾伦·戈丁; 大卫·安德烈
Original assignee: Ford Global Technologies LLC
Current assignee: Ford Global Technologies LLC
Priority date: 2016-10-27
Filing date: 2017-10-20
Publication date: 2018-05-08
Anticipated expiration: 2037-10-20
Also published as: DE102017124906A1; CN108001317B

Abstract

A kind of seat includes headrest assemblies, which has the adjusting mechanism for the forwardly and rearwardly position for being used to adjust headrest bag.Cover element is arranged on the lower section of headrest assemblies, and the panel element including being engaged with adjusting mechanism, which can operate between expanded position and retracted position.Panel element is as headrest coating adjusting mechanism outwards drives and is moved towards expanded position.First and second extendable elements include being connected to the first end of panel element and are connected to the second end of the lateral member of frame assembly.Extendable element includes the main part flexed outward, and the main part flexed outward is as headrest coating adjusting mechanism inwardly drives and distorts with panel element of retracting.

Description

Power head constrained system with flexible closure cover element

Technical field

Present invention relates in general to a kind of headrest assemblies for seat, and relate more specifically to one kind and have The headrest adjustable component of flexible cover element, the flexibility cover element are arranged to hide headrest group when adjusting headrest assemblies The component of part.

Background technology

In motor vehicle industry, headrest of the offer for accommodating the various automotive occupants in multiple positions can be obtained The many headrests design adjusted.In order to meet the needs of various automotive occupants, it is intended that the headrest of sufficient adjusting can be provided Component, and such headrest also should keep beautiful by providing flexible cover element to hide the moving component of headrest assemblies See.

The content of the invention

One aspect of the present invention includes a kind of seat, which has backrest, backrest tool There is upper part.Headrest adjustable component is supported in the upper part of backrest, and including in extended position The adjusting mechanism of headrest bag is adjusted between retracted position.Flexible cover element is arranged on backrest, and including passing through First and second extendable elements are connected to the panel element of frame assembly.The interior table of the adjacent panel element of a part of adjusting mechanism Face, to move panel element towards expanded position with outwards driving headrest to wrap towards extended position.First and second is extensible Element can operate between resting position and extended position, and be moved to stretching, extension as panel element is moved to expanded position Position.

Another aspect of the present invention includes a kind of seat, which has backrest, backrest tool There is upper part.Headrest adjustable component is supported in the upper part of backrest, and including in extended position The adjusting mechanism of headrest bag is adjusted between retracted position.Flexible cover element is arranged on backrest, and including passing through First and second extendable elements are connected to the panel element of frame assembly.The interior table of the adjacent panel element of a part of adjusting mechanism Face, to move panel element towards expanded position with outwards driving headrest to wrap towards extended position.First and second is extensible Element can operate between resting position and extended position, and be moved to stretching, extension as panel element is moved to expanded position Position.

Another aspect of the present invention includes a kind of seat, which has headrest assemblies, headrest assemblies tool It is useful for adjusting the adjusting mechanism of the position of headrest bag.Cover element is arranged on the lower section of headrest assemblies, and including with adjusting The panel element of mechanism engagement, the panel element can operate between expanded position and retracted position.Panel element is conditioned with headrest Mechanism outwards drives and is moved towards expanded position.First and second extendable elements include the first end for being connected to panel element With the second end of the lateral member that is connected to frame assembly.Extendable element includes the main part that flexes outward, this is to overhanging The main part of exhibition is as headrest coating adjusting mechanism inwardly drives and distorts with panel element of retracting.

According to the present invention, there is provided a kind of seat, the seat include：

Backrest, the backrest have upper part；

Headrest adjustable component, the headrest adjustable component are supported in the upper part of backrest, adjustable section header Resting the head on component has headrest bag and adjusting mechanism, and adjusting mechanism is used to adjust headrest bag between extended position and retracted position；With

Flexible cover element, the flexibility cover element are arranged on backrest, and can be stretched with passing through first and second Exhibition element is connected to the panel element of frame assembly, the inner surface of the adjacent panel element of a part of wherein adjusting mechanism, with head Pillow coating drives towards extended position and moves panel element towards expanded position, and wherein first and second can further stretch Exhibition element can be operated static between extended position, and be moved to extending position as panel element is moved to expanded position Put.

According to one embodiment of present invention, which includes：

Decorative element, the decorative element are arranged on the upper part of backrest, and decorative element, which has, avoids part, Wherein flexible cover element is connected to decorative element in the relief portion office of decorative element.

According to one embodiment of present invention, wherein the frame assembly of flexible cover element include making it is first and second upward The low portion that the lateral member of stretching, extension interconnects.

According to one embodiment of present invention, wherein frame assembly includes being arranged to through the first and second stretching, extensions upwards Lateral member one or more mounting grooves.

According to one embodiment of present invention, wherein frame assembly includes being arranged on the low portion of frame assembly One or more mounting grooves.

According to one embodiment of present invention, wherein decorative element is included from its outwardly extending one or more clip-like Part, and further wherein one or more clip-like parts are accommodated in the first and second lateral members stretched upwards and frame In one or more grooves in one of low portion of frame component, flexible cover element is releasably connected to decorate Component.

According to one embodiment of present invention, wherein the first and second extendable elements are flexible resilients, and towards quiet Only location bias, and further wherein the first and second extendable elements promote panel element towards retracted position.

According to one embodiment of present invention, wherein the outer surface of panel element is when panel element is in retracted position, with dress The outer surface of trim generally flushes.

According to the present invention, there is provided a kind of cover element, the cover element include：

Frame assembly, the frame assembly have make the lateral direction element that lateral member spaced apart interconnects；

Panel element, the panel element are connected to frame assembly and can be operated between expanded position and retracted position；With

First and second extendable elements, first and second extendable element have the first end for being connected to panel element With the second end of the lateral member that is connected to frame assembly, wherein extendable element further include distortion with panel element of retracting to The main part of outer stretching, extension.

According to one embodiment of present invention, wherein the first and second extendable elements can be in resting position and extending position Operated between putting.

According to one embodiment of present invention, wherein the first and second extendable elements include being arranged on what is flexed outward First end and second end on the opposite side of main part.

According to one embodiment of present invention, wherein each in the first end of the first and second extendable elements connects It is connected to panel element.

According to one embodiment of present invention, wherein the second end of the first and second extendable elements is connected to frame set Part.

According to one embodiment of present invention, wherein panel element is connected to the laterally first of frame assembly at flexible joint Part.

According to one embodiment of present invention, which includes：

The fastening element being arranged on the inner surface of panel element.

Headrest assemblies, the headrest assemblies have the adjusting mechanism for the position for being used to adjust headrest bag；

Cover element, which is arranged on the lower section of headrest assemblies, and has panel element, and panel element is with adjusting machine Structure is engaged and can operated between expanded position and retracted position, and wherein panel element is outside as headrest is coated with adjusting mechanism Drive and moved towards expanded position；With

First and second extendable elements, first and second extendable element have the first end for being connected to panel element With the second end of the lateral member that is connected to frame assembly, wherein extendable element further includes the main part flexed outward, to The main part of outer stretching, extension is as headrest coating adjusting mechanism inwardly drives and folds with panel element of retracting.

According to one embodiment of present invention, wherein panel element includes the inner surface adjacent with a part for adjusting mechanism.

According to one embodiment of present invention, which includes：

The fastening element being arranged on the inner surface of panel element.

According to one embodiment of present invention, wherein the first end and second end of the first and second extendable elements works as plate When element is in retracted position, it is generally disposed in plane common each other.

According to one embodiment of present invention, wherein the first end and second end of the first and second extendable elements works as plate When element is in retracted position, it is generally disposed in the plane common with panel element.

Backrest, the backrest have upper part；

Headrest adjustable component, the headrest adjustable component are supported in the upper part of backrest, adjustable section header Resting the head on component has headrest bag and adjusting mechanism, and adjusting mechanism is used to adjust headrest bag between extended position and retracted position, its In be limited to headrest bag backrest between interval when headrest coating adjust to extended position when extend；With

Flexible cover element, the flexibility cover element are arranged on backrest, and can be stretched with passing through first and second Exhibition element is connected to the panel element of frame assembly, the inner surface of the adjacent panel element of a part of wherein adjusting mechanism, with head Pillow coating drives towards extended position and moves panel element, and further wherein the first He towards expanded position in interval Second extendable element can be operated static between extended position, and be moved as panel element is moved to expanded position To extended position.

According to one embodiment of present invention, which includes：

The headrest assemblies of backrest are connected to, which, which has, is used between extended position and retracted position Adjust the adjusting mechanism of headrest bag；

The flexible cover element being arranged on backrest, which, which has, passes through first and second extensible yuan Part is connected to the panel element of frame assembly, and wherein adjusting mechanism is arranged to be limited between headrest and backrest Interval in towards expanded position move panel element.

According to one embodiment of present invention, wherein flexible cover element is arranged on the rear view of vehicle of headrest bag.

According to one embodiment of present invention, wherein extended position and retracted position two of the flexible cover element in headrest bag Do not contacted in person with headrest bag.

According to one embodiment of present invention, which includes：

The decorative element being arranged in the upper part of backrest, which, which has, avoids part, wherein flexible Cover element is connected to decorative element in the relief portion office of decorative element.

After research description below, claims and attached drawing, it will be appreciated by those skilled in the art that and understanding this hair Bright these and other aspects, purpose and feature.

Brief description of the drawings

In the accompanying drawings：

Fig. 1 is front perspective view when there is the seat of headrest assemblies to set inside the vehicle；

Fig. 2A is the side view of headrest assemblies according to an embodiment of the invention, and the headrest bag of wherein headrest assemblies is in Retracted position；

Fig. 2 B are the side views of the headrest of Fig. 2A, wherein headrest bag is relative to Fig. 2A positions forwardly, can so as to expose Adjust shade assembly；

Fig. 2 C are the side views of the headrest of Fig. 2 B, show that headrest bag is in complete forward facing position；

Fig. 3 A are the sectional views of headrest assemblies, show the adjusting mechanism for adjusting headrest bag；

Fig. 3 B are the sectional views of the headrest assemblies of Fig. 3 A, wherein headrest bag is relative to Fig. 3 A positions forwardly；

Fig. 3 C are the sectional views of the headrest assemblies of Fig. 3 B, wherein headrest bag is relative to Fig. 3 B positions forwardly；

Fig. 4 A are the front perspective views of headrest assemblies, and wherein rear garnish cover and headrest coating removes, and contracting is in expose The linked system that return is put；

Fig. 4 B are the front perspective views of the headrest assemblies of Fig. 4 A, and wherein linked system is in full extended position；

Fig. 4 C are the rear perspectives of the headrest assemblies of Fig. 4 A；

Fig. 4 D are the rear perspectives of the headrest assemblies of Fig. 4 B；

Fig. 5 A are the side views of the headrest of Fig. 2A, and wherein shield is removed in order to expose adjustable shade assembly；

Fig. 5 B are the side views of the headrest of Fig. 5 A, wherein adjustable shade assembly is in partially extended position；

Fig. 5 C are the side views of the headrest assemblies of Fig. 5 B, wherein adjustable shade assembly is in full extended position；

Fig. 5 D are the side views of the headrest assemblies of Fig. 5 A, wherein the rear portion of adjustable shade assembly is shown at The multiple positions being superimposed upon on other；

Fig. 5 E are the sectional views of the headrest assemblies of Fig. 2A, show the joint flange being spaced apart with the internal edge of housing；

Fig. 5 F are the sectional views of the headrest assemblies of Fig. 2 B, show the joint flange of the internal edge of adjacent housing；

Fig. 5 G are the sectional views of the headrest assemblies of Fig. 2 C, show that the engagement pivoted relative to the internal edge of housing is convex Edge；

Fig. 6 A are the front perspective views of seat assembly according to another embodiment of the present invention；

Fig. 6 B are the rear perspectives of the seat of Fig. 6 A；

Fig. 7 A are the front perspective views of cover plate；

Fig. 7 B are the rear perspectives of the cover plate of Fig. 7 A；

Fig. 7 C are the rear perspectives of the cover plate of Fig. 7 B when being connected to the frame parts of seat；

Fig. 8 A are the front perspective views of the cover plate of Fig. 7 A for the seat for being connected to Fig. 6 A；

Fig. 8 B are the various connecting portions that seat is exposed with the front perspective view of the cover plate of Fig. 8 A shown in the virtual image Part；

Fig. 9 A are the side views of the headrest assemblies of the cover plate with Fig. 7 A being disposed thereon in retracted position；

Fig. 9 B are the side views of the headrest assemblies for Fig. 9 A for being illustrated at extended position, and wherein cover plate is also at stretching, extension Position；

Figure 10 A are the front perspective views of headrest assemblies, wherein headrest bag is in full extended position；

Figure 10 B are the front perspective views of the headrest assemblies of Figure 10 A, wherein headrest coating removes；

Figure 11 A are the front perspective views of the headrest assemblies of Figure 10 B.Wherein aft case is removed；

Figure 11 B are the front perspective views of the headrest assemblies of Figure 11 A, wherein adjustable shade assembly is removed in order to expose linkage System；

Figure 12 is the front perspective view for the headrest assemblies for being illustrated at retracted position, wherein the portion of adjustable shade assembly Part decomposites from linked system；

Figure 13 A are the front perspective views of the component of another embodiment of adjustable shade assembly exploded from one another；

Figure 13 B are the sectional views of Figure 13 A shade assembly components in confined state, show the first element of shade assembly Separator be spaced apart with the preceding trip edge of the second element of shade assembly；

Figure 13 C are the sectional views of the shade assembly component of Figure 13 B, show the second element trip edge be configured to The separator contact of first element；

Figure 14 A are the front perspective views of cover element；

Figure 14 B are the rear perspectives of the cover element of Figure 14 A；

Figure 15 A are the front perspective views of the cover element of Figure 14 A for the decorative element for being connected to seat；

Figure 15 B are the cover element of Figure 15 A and the rear perspective of decorative element；

Figure 16 is the cover element of Figure 15 B and the sectional view of decorative element；

Figure 17 A are the side views of the headrest assemblies of the cover element with Figure 14 A being disposed thereon in retracted position Figure；With

Figure 17 B are the side views of the headrest assemblies for Figure 17 A for being illustrated at extended position, and wherein cover element is also shown Go out in extended position.

Embodiment

For description herein, term " on ", " under ", " right side ", " left side ", " rear ", " preceding ", " vertical ", " level " and its group Life should be as shown in Figure 1 orientation it is related to the present invention.It will be appreciated, however, that the present invention can take various alternatives To unless specifically specified conversely.It is also understood that what is be shown in the drawings and describe in the following description is specific Device and process are the simple examples embodiments of the inventive concept limited in the following claims.Therefore, it is public with this paper The relevant specific dimensions of embodiment and other physical characteristics opened are not to be considered as limiting, except non-claimed clearly It is otherwise noted.

Referring now to Figure 1, seat 10 is shown as being arranged in the vehicle interior 14 of vehicle 12.Seat 10 Seating portion 16 including being connected to backrest 18.Backrest 18 is included with headrest assemblies 20 mounted thereto Upper part 18a.Headrest assemblies 20 include housing 24, which is neighbouring headrest adjustable bag (headrest bun) 22 The aft case of setting.Headrest bag 22 can be expected to be buffer element, which is arranged to support and is sitting in vehicle seat The head of automotive occupant in chair 10.The seat 10 of Fig. 1 is shown as driver side seat, however, it is possible in advance Meter, headrest assemblies 20 of the invention can be arranged on any seat in vehicle, including passenger seat, rear row seat Chair, rumble seat and the 3rd row's passenger seat option.Similarly, the headrest assemblies 20 shown in Fig. 1 are not intended to the reality of the present invention Matter is limited to as shown in preceding driver side seat 10.

As described above, headrest assemblies 20 are headrest adjustable components, wherein can be expected to be can be relative to shell for headrest bag 22 Body 24 is adjusted between the extended along such as arrow F forward directions indicated, and along being indicated such as arrow V Vertical direction is adjusted between raising and reducing position.In the position shown in figure 1, headrest assemblies 20 can be expected to be and be in Initial position H, related to thisly, headrest bag 22 reduce position L and horizontal retracted position R in vertical so that headrest bag 22 It is arranged on the front of housing 24.The movement of headrest bag 22 can be expected to be to be provided by one or more power adjustment mechanisms Power, the one or more power adjustment mechanism are generally hidden when headrest assemblies 20 are in initial position H by housing 24.

Referring now to Fig. 2A, headrest assemblies 20 are shown at initial position H, wherein headrest bag 22 is relative to housing 24 are in retracted position R.Headrest assemblies 20 are supported by backrest frame 28 and installed to backrest frame 28, the seat Back frame 28 is generally arranged in backrest 18 (Fig. 1) in confined state.Headrest bag 22 is shown as having The two-piece components of the buffering front part 22a and rear portion coupling part 22b of (or docking supports) are engaged by user.Housing 24 be also the two-piece components with front protection cover 24a and rear shield 24b, and front protection cover 24a and rear shield 24b are used to surround simultaneously And hide the various adjusting mechanisms and system of the position for adjusting headrest bag 22.Also as shown in Figure 2 A, shade assembly 30 is adjusted Be set at stowed position S, and as described further below, be arranged to cover headrest bag 22 and housing 24 it Between region.As Fig. 2 B and 2C are further illustrated, adjust shade assembly 30 when headrest bag 22 relative to housing 24 along such as arrow F More exposed when moving forward in the direction of instruction.Adjustable shade assembly 30 can be expected to be the multi-section of injection-moulding plastic Part component, the multi-part component are arranged to, when headrest bag 22 is relative to 24 Level tune of housing, generally hide headrest The various adjusting mechanisms and system of component 20.

Referring now to Fig. 2 B, headrest bag 22 is shown at forward facing position F1, wherein headrest bag 22 is relative to housing 24 Moved towards vehicle front direction in the path indicated along arrow F.Therefore, as shown in Figure 2 B, the connecting portion 22b quilts of headrest bag 22 It is shown as being spaced apart with the front protection cover 24a of housing 24, to limit interval S therebetween.By rest the head on bag 22 connecting portion 22b and Interval S between the front protection cover 24a of housing 24, it can be seen that there are adjustable shade assembly 30 two gaps to hide element：The One element 30a and the second element 30b, the first element 30a and the second element 30b are hidden by the regulating member of headrest assemblies 20 together Ensconce in the S of interval.It is contemplated that the first element 30a can be nested in the second element 30b, vice versa so that adjustable Shade assembly 30 when headrest bag 22 be driven to along the forward direction such as arrow F instructions away from housing 24 when, can be to seem horizontal Mode telescopically stretch.In the embodiment shown in Fig. 2 B, 30 M in an intermediate position of shade assembly is adjusted, wherein the One element 30a is partly housed within the second element 30b of adjustable shade assembly 30.In addition, the first element 30a is when headrest Bag 22 can be expected to be when being in retracted position R (Fig. 2A) and fully retract, and be partially housed in adjustable shade assembly 30 The second element 30b in nested position in.Accordingly, it is considered to the nesting or telescopic relation of two components, the first element 30a And second 30b between cloud can also be referred to as inside and outside element/gap and hide part (gap-hider).

Adjustable shade assembly 30b is connected to linked system 52 (Fig. 3 A), which, which serves as, is also connected to linkage The bracket of the headrest bag 22 of system 52.The the first element 30a and connection of adjustable shade assembly 30 are further described referring to Figure 12 Engagement between dynamic system 52.Before the second element 30b and housing 24 of the adjustable shade assembly 30 by adjusting shade assembly 30 Dynamic engagement between shield 24a is further attached to housing 24.Housing 24 is to be connected to backrest frame 28 and by seat The fixation kit that back frame 28 supports.Therefore, side as described further below, being indicated with headrest bag 22 along arrow F To moving horizontally, adjustable shade assembly 30 is followed the headrest bag 22 in linked system 52 and is stretched in a manner of telescopic.With this Kind mode, adjustable shade assembly 30 are to follow linked system 52 and headrest to wrap 22 slave units moved, and only in linkage system Stretching, extension or retraction in the case of the movement of system 52.Therefore, shade assembly 30 is adjusted to pass through when headrest bag 22 (is schemed towards extended position E Regulating member is hidden when 2C) flexing outward, otherwise regulating member will be exposed to the interval S between headrest bag 22 and housing 24 In, and the two-piece type gap for serving as headrest assemblies 20 hides part.

Referring now to Fig. 2 C, the headrest bags 22 of headrest assemblies 20 is shown at extended position E, and extended position E can be with It is expected to be, the direction full extension that headrest bag 22 is indicated relative to housing 24 along such as arrow F.In fig. 2 c, it is contemplated that headrest Increased interval S between the connecting portion 22b of bag 22 and the front protection cover 24a of housing 24, clearly show that adjustable cover group First element 30a of part 30.In fig. 2 c, the first element 30a is in relative to the second element 30b and flexes outward position, makes It is no longer nested with the second element 30b to obtain the first element 30a.Therefore, in fig. 2 c, relative to Fig. 2A, since linked system 52 will Headrest bag 22 is driven to extended position E from retracted position R, so adjustable shade assembly 30 is moved to expansion position from stowed position S Put D.As shown in Figure 2 C, headrest assemblies 20 of the invention provide headrest bag 22 relative to housing 24 along the big of forward direction F Extending range, so as to provide the comfort of enhancing for automotive occupant.Also as shown in Figure 2 C, when headrest bag 22 is in most forward During the E of position, there is provided the adjusting mechanism of the headrest assemblies 20 of this horizontal stretching is generally by adjustable shade assembly 30 and housing 24 Hide.By hide adjusting mechanism, headrest assemblies 20 of the invention relative to adjustable headrest assemblies known in the market and Speech, there is provided more attractive aesthetic feeling.Therefore, adjusting shade assembly 30 can be according to linked system 52 and the extending position of headrest bag 22 Put and operated packing up between expanded position S, D (being respectively Fig. 2A and 2C).It is contemplated that headrest bag 22 is relative to housing 24 can move forward about 50mm to extended position E from retracted position R.Can also the estimated other scopes moved forward.

Referring now to Fig. 3 A, the cross section of headrest assemblies 20 is shown at initial position H, its middle casing 24 is moved Divided by expose adjusting mechanism, which is arranged in stretching, extension and retracted position E, R (respectively scheme for headrest bag 22 2C, 2A) between mobile provide power.Headrest bag 22 is shown as being connected to support plate 40, and support plate 40 is adjustably coupled to The installing plate 42 being arranged in the configuration of Fig. 3 A in housing 24.Headrest bag 22 can be by being arranged on support plate 40 and installing plate The path vertical that passage and rail set 44 between 42 are indicated along arrow V is adjusted.It is logical between headrest bag 22 and installing plate 42 It is to utilize multiple passages and the device for being contained in multiple tracks therein that road and rail set 44, which can be expected to be,.Such as Fig. 3 A institutes Show, passage 46 is connected to installing plate 42, the front side 42a positioned at installing plate 42, and is arranged to slidably therein Accommodate track 48.Track 48 is connected to support plate 40.The vertical and straight movement of headrest bag 22 can be expected to be by with linear activated Adjusting mechanism shown in device A2 forms provides power.

Also as shown in Figure 3A, installing plate 42 further includes the rear side 42b with the stent 50 flexed outward.Stent 50 can quilt The double bracket that the rear side 42b for the slave installing plate 42 being expected to be as best shown in Fig. 4 C and 4D stretches backward.Stent 50 is as linkage The pivot attachment position of system 52.In view of the sectional view of Fig. 3 A, a part for linked system 52 is illustrate only, however, it is possible to , it is expected that those skilled in the art will appreciate that as shown in Figure 3A and as described further below the optimal institutes of Fig. 4 A-4D The linked system 52 shown.Linked system 52 can be the four-rod linkage system of connecting rod of various sizes.One or more is even Bar can have multiple pivot positions, and the more of reinforcement quadric chain operation are used as between forwardly and rearwardly position to provide Push and pull system.Linked system 52 can be expected to be headrest bag 22 in extended position E as that shown in fig. 2 c and such as Fig. 2A and 3A institutes Show and translate between the R of retracted position.Linked system 52 includes multiple connecting rods, the plurality of connecting rod be it is as described further below that This stiffener being pivotally connected to.

Also as shown in Figure 3A, linked system 52 includes that the preceding or first connecting rod 54 for exporting connecting rod can be described as, this is defeated Going out connecting rod has upper part 56, which is pivotally connected to the stent 50 of installing plate 42 at pivot points P 1.The One connecting rod 54 can be expected to be one in a pair of of front rod, which is interconnected to shape by lateral direction element 58 Integral front rod component.Second or the back link 60 that connecting rod can be described as inputting also shows that the input connects in figure 3 a Bar has the upper part 62 for the stent 50 that installing plate 42 is pivotally connected at pivot points P 2.With first connecting rod 54 very Similar, it is one in a pair of of the back link interconnected by lateral direction element 64 that second connecting rod 60, which can be expected to be,.Laterally member Part 64 shows in the form of a plate in figure 3 a, after the back link 60 of the lateral direction element 64 connection linked system 52 is to limit entirety Link assembly.Therefore, installing plate 42 and stent 50 serve as the output connecting rod (first connecting rod 54) in linked system 52 and input The connector of connecting rod (second connecting rod 60).Linked system 52 is arranged to guiding headrest bag 22 and is moved to edge from retracted position R A series of forward facing positions that path as shown by arrow A is set.Headrest bag 22 is along path as shown by arrow A in extended position Movement between retracted position provides power, linear actuators A1 by the adjusting mechanism shown in linear actuators A1 forms It is arranged to drive linked system 52 between forwardly and rearwardly position.First connecting rod 54 and second connecting rod 60 respectively exist Substrate 70 is further pivotally connected at pivot points P 3, P4.Pivoting point P3 in figures 4 a and 4b best seen from.It can describe It can be expected to be and stretched between 54,60 pairs of the first and second connecting rod in a manner of less horizontal for the substrate 70 of ground link Exhibition.In figure 3 a, the lower part 66 of second connecting rod 60 is shown as being connected to the first side 72 of substrate 70 at pivot points P 4, In Fig. 3 C best seen from.As described above, first connecting rod 54, second connecting rod 60 and substrate 70 all limit the company of linked system 52 Bar, these connecting rods are to be pivotally connected to mutual stiffener.

Also as shown in Figure 3A, the first actuator A1 is connected to stent 80, which is additionally coupled to the bottom wall of substrate 70 74.Stent 80 can be expected to be connecting bracket, which is pivotally connected to the first actuator A1 at pivot points P 5, The first actuator A1 is driven by linked system 52, but is independently of linked system 52.First actuator A1 includes motor 82, Motor 82 is operably coupled to axis or screwing element 84.Screwing element 84 is arranged to along by arrow 86 be referred to by motor 82 The direction driving shown so that the first actuator A1 is linear actuators.Connection lug 88 is arranged on the top of screwing element 84 Part, and the connecting bracket flexed outward from the lateral direction element 64 of second connecting rod 60 is pivotally connected at pivot points P 6 68.In the case where headrest bag 22 is in retracted position R, the first actuator A1 is configured to and 84 spiral shell of screwing element The motor 82 engaged drives downwards screwing element 84 line along the direction that arrow 86 indicates, so as to stretch headrest bag 22.With this Kind mode, the first actuator A1 are configured to downwardly and forwardly pull linked system 52 to indicate to forerunner come such as arrow F Dynamic headrest bag 22.As shown in Fig. 3 B-3C, when screwing element 84 is driven downwards along the direction that arrow 86 indicates, lug is connected 88 pull down second connecting rod 60 with the connection of the connecting bracket 68 of second connecting rod 60, so that along forwardly and downwardly side's driving four Bar linked system 52.It is to be pivotally connected to first at pivot points P 3 and P4 that the substrate 70 of linked system 52, which can be expected to be, With the fixed substrate of second connecting rod 54,60.In the connecting bracket 80 stretched upwards independent pivot is provided for the first actuator A1 In the case of the P5 of position, the first actuator A1 has independent pivot position relative to linked system 52.By this way, when When linked system 52 is forwardly and rearwardly translated with the position that headrest bag 22 is adjusted by user, the first actuator A1 can root Pivoted according to needs in a manner of independent relative to linked system 52.

Referring now to shown in Fig. 3 B, headrest bag 22 is shown at the forward facing position similar to the position F1 shown in Fig. 2 B F1.Therefore, it now is possible to interval S is seen between headrest bag 22 and the lateral direction element 58 of first connecting rod 54.In figure 3b, spiral shell Texel part 84 is by the motor 82 of the first actuator A1 along the driving in downward direction that arrow 86 indicates to position X.By this Mode, linked system 52 are driven to forward facing position X by the first actuator A1 from the initial position H shown in Fig. 3 A.By head During pillow bag 22 is moved to forward facing position F1, screwing element 84 is moved to the position shown in Fig. 3 B from initial position H (Fig. 3 A) Put X.Similarly, the initial position H shown in linked system 52 from Fig. 3 A is moved to the translation position X shown in Fig. 3 B.Can be pre- Meter, the forward facing position F1 of headrest bag 22 as shown in Figure 3B are about the three of the forward movement scope of the headrest bag 22 of the present invention / mono-.

Referring now to Fig. 3 C, headrest bag 22 is shown at the front centre position F2 of the position F1 shown in Fig. 3 B. In Fig. 3 C, screwing element 84 is driven to position Y, position Y by the motor 82 of actuator A1 and is associated with, and linked system 52 is flat Move to forward facing position Y, thus provide shown in Fig. 3 C relative to the increased interval S of Fig. 3 B.In the F2 of centre position, headrest Bag 22 can be expected to be relative to whole movings range of the headrest bag 22 driven from linked system 52 about to preceding three/ Two.

Referring now to Fig. 4 A, the linked system 52 of headrest assemblies 20 is shown, its middle casing 24 and headrest wrap 22 from headrest Component 20 removes.In Figure 4 A, linked system 52 is in initial position or represents embedded or retracted position rearward position H, such as Shown in Fig. 2A, wherein headrest bag 22 is set close proximity 24, and linked system 52 will generally be hidden by housing 24 and It is contained in housing 24 (Fig. 2A).Also as shown in Figure 4 A, installing plate 42 is connected to support plate 40 and is used for pivot including having Turn pivot points P 1, the double bracket 50 stretched backward of P2 of ground connection first connecting rod 54 and second connecting rod 60.60 quilt of second connecting rod It is shown as being pivotally connected to substrate 72 at pivot points P 4, and first connecting rod 54 is shown as pivoting at pivot points P 3 Ground is connected to substrate 72, which is arranged on from the mounting bracket 73 that substrate 72 stretches upwards.Supporting structure 90 is shown Going out has from its extension so that headrest assemblies 20 to be connected to the supporting rod 26 of seat back frame element 28.

Referring now to Fig. 4 B, linked system 52 is shown at the forward facing position Z of full extension, wherein support plate 40 Away from 90 full extension of supporting structure.In full extended position Z, linked system 52 exposes lateral direction element 58, the lateral direction element 58 interconnect similar a pair of of first connecting rod 54 as described above.Installing plate 42, the first and second connecting rods 54,60 and base It is pivotally joined to one another to provide support plate 40 in retracted position and stretching, extension at pivoting point (P1-P4) place that plate 72, which is expected into, The global facility of the stiffener of stretching, extension between position.In the position shown in Fig. 4 B, support plate 40 is with being in such as Fig. 2 C institutes The headrest bag 22 of the full extended position E shown is associated.As shown in Figure 2 C, in full extension or forward facing position Z, linkage system System 52 is hidden by the assembly for adjusting shade assembly 30 and housing 24.

Referring now to Fig. 4 C, show headrest assemblies 20, wherein linked system 52 be in it is similar with shown in Fig. 4 A backward Position H.Second connecting rod 60 is shown as integral slab, wherein double second connecting rods 60 are interconnected by lateral direction element 64.In Fig. 4 C In, installing plate 42 be shown with from its stretch backward be used for the first and second companies are pivotally connected at pivot points P 1, P2 The double bracket 50 of bar 54,60.

Referring now to Fig. 4 D, linked system 52 is in the forward facing position Z of full extension, and wherein support plate 40, which is in, reduces Position.Fig. 4 D are the rearviews of headrest assemblies 20 as shown in Figure 4 B.In Fig. 4 C and 4D, the second actuator A2 is shown as Installing plate 42 is connected to, the direction vertical shift support plate 40 indicated for edge by arrow V.As shown in Figure 4 D, the second actuator A2 can be operably connected to support plate 40 by access hole (access aperture) 42c being arranged to through installing plate 42. Therefore, access hole 42c can be expected to be with enough vertical lengths to accommodate the substantially vertical movement of headrest bag 22.

Referring now to Fig. 5 A, headrest assemblies 20 are shown at initial position H, wherein headrest bag 22 is in retraction position Put R.Housing 24 is removed, to show the adjustable shade assembly 30 in stowed position S.Therefore, linked system 52 can quilt It is expected to be in rearward position H as best shown in fig. 4 c.In the case where linked system 52 is in rearward position H, adjust First element 30a of shade assembly 30 is partially housed in the second element 30b.It is in adjustable shade assembly 30 and packs up position In the case of putting S, the first element 30a is in the accommodated position of its rearmost relative to the second element 30b.In addition, when adjustable When cover 30 is in stowed position S, hidden completely in the second element 30b insertion housings 24 and by housing 24 as shown in Figure 2 A. As described above, and further described below in reference to Figure 12, the first element 30a of shade assembly 30 is adjusted in installing plate 42 Upper part at be connected to linked system 52.Such as following reference chart 12 and 13A are further described, and adjust shade assembly 30 Second element 30b is pivotally connected to the first element 30a.Due to linking together, the first element 30a is movably associated with Second element 30b, this is because when the first element 30a and the first element 30a linked systems 52 being connected to move together When, the second element 30b also will be mobile.

Referring now to Fig. 5 B, adjust 30 M in an intermediate position of shade assembly, wherein it is contemplated that linked system 52 Forward facing position X as shown in Figure 5 B is moved to from rearward position H as shown in Figure 5A.In forward facing position X as shown in Figure 5 B In, linked system 52 is by 22 driving of headrest bag to forward facing position F1.In mistake of the driving of bag 22 to forward facing position F1 that will rest the head on Cheng Zhong, linked system 52 have been transported adjustable relative to the supporting structure 90 shown in Fig. 5 B along the forward direction such as most preferably indicated Save the first element 30a and the second element 30b of shade assembly 30.Therefore, with the second element 30b of wherein adjustable shade assembly 30 Fig. 5 A in first position A are compared, and the second element 30b of adjustable shade assembly 30 is now arranged in as shown in Figure 5 B second Position B.Similarly, the first element 30a is shown as being in first position A in fig. 5, and is shown as now in Fig. 5 B In be in second place B.In the B of position, part nested positions of the first element 30a out of second element 30b flexes outward. In addition, in the second element 30b in the case of in position B, the second element 30b is considered as in a manner of as shown in Figure 2 B Partly flexed outward from housing 24.

As shown in Figure 5 A and 5B, the second element 30b includes the lateral part and top section for being arranged on the second element 30b The outwardly extending joint flange 92 of surrounding.In assembling process, 92 quilt of outwardly extending joint flange of the second element 30b It is configured to engage the inner edge section of housing 24 at front protection cover 24a as best shown in Fig. 5 F.In adjustable shade assembly 30 In the case of M in an intermediate position, it is contemplated that the joint flange 92 of the second element 30b is by the front protection cover 24a with housing 24 Internal edge contact.Any gap for making to enter in housing 24 is sealed in contact between front protection cover 24a and joint flange 92 Close, and the second element 30b of adjustable shade assembly 30 is pivoted at pivot points P 7 along the direction indicated by arrow 94.Such as It is described further below, pivoting point P7 represents the pivot between the first element 30a and the second element 30b of adjustable shade assembly 30 Turn connecting portion.

Referring now to Fig. 5 C, adjustable shade assembly 30 is shown at fully expanded position D, wherein at headrest bag 22 In full extended position E.In position as shown in Figure 5 C, it is contemplated that, linked system 52 be in shown in Fig. 4 D to anteposition Put Z.As full extended position E is arrived in the driving of bag 22 that will rest the head on of linked system 52, joint flange 92 can be expected to be the The upper part of two element 30b is held against the inner edge section of the front protection cover 24a of housing 24, by the second element 30b It is switched to from position B (Fig. 5 B) shown in Fig. 5 C and tilts backwards position C.In addition, the second element 30b of adjustable shade assembly 30 Pivot occur at pivot points P 7.Therefore, the upper part 96 of the second element 30b is as the second element 30b is in pivot points P 7 The direction that place is indicated along arrow 94 pivots, and is moved rearwards along the path that arrow 98 indicates.In addition, the pivotal action is when engagement Flange 92 is as headrest bag 22 is driven to extended position E by linked system 52 and engages the inside of the front protection cover 24a of housing 24 Shi Fasheng.

Referring now to Fig. 5 D, multiple positions of the second element 30b of adjustable shade assembly 30 are shown as superposed on one another Position A, B and C.Position A, B and C represent the position being shown respectively in Fig. 5 A, 5B and 5C.Fig. 5 D are used to show adjustable cover group Second element 30b of part 30 is at pivot points P 7 along the relative pivoting action in the path indicated such as arrow 94.

Referring now to Fig. 5 E, 5F and 5G, the front protection cover 24a of housing 24 is shown as with opening 99, adjusts shade assembly 30 are flexed outward by the opening 99.In Fig. 5 E and 5F, housing 24 is illustrated with section, to expose along front protection cover 24a's The inner edge section 100 that opening 99 is set.With specific reference to Fig. 5 E, the joint flange 92 of the second element 30b is shown as and shell The inner edge section 100 of the front protection cover 24a of body 24 is spaced apart.When headrest bag 22 is moved to the forward facing position F1 shown in Fig. 5 F When, the joint flange 92 of shade assembly 30 contacts and the interior table of the inner edge section 100 of the front protection cover 24a of adjacent housing 24 Face.Engaged closed between the joint flange 92 of shade assembly 30 and the inner edge section 100 of housing 24 front protection cover 24a's Opening 99, and the second element 30b of shade assembly 30 is pivoted or is revolved around pivot points P 7 along the direction that arrow 94 indicates Turn.During the pivoting action of the second element 30b, the direction that the upper part 96 of the second element 30b is indicated along arrow 98 is backward Tilt.The pivoting action is as headrest bag 22 is moved to the full extended position E shown in Fig. 5 G and continues.

Referring now to Fig. 6 A and 6B, another embodiment of seat 10a, which is shown as having, is arranged in initial bit Put the headrest assemblies 20a of H.Seat 10a includes the multiple features similar to the seat 10 shown in Fig. 1, therefore, Fig. 6 A and 6B include identical reference numeral.Similarly, headrest assemblies 20a is included with being deposited in the headrest assemblies 20 shown in Fig. 1 The similar feature of feature.The housing 24c of headrest assemblies 20a is bigger compared with the housing 24 of the headrest assemblies 20 of Fig. 1 Housing.The housing 24c of headrest assemblies 20a is provided from headrest assemblies 20a to seat in the embodiment shown in Fig. 6 A and 6B The more smooth profile of backrest 18.The headrest bag 22 of seat 10a, which can be expected to be, is being in initial bit shown in Fig. 6 A and 6B Put the headrest adjustable bag of H.Headrest bag 22 can be expected to be to be moved by the linked system similar to above-mentioned linked system 52.

Referring now to Fig. 7 A, flexible cover element 130, which is shown as having, is generally centrally disposed at support frame 134 Interior panel element 132.Panel element 132 includes front side 132A and rear side 132B (Fig. 7 B).Support frame 134 can be expected to be one It is connected to the panel element 132 for being operatively disposed at flexible joint 136 therebetween body.With flexible joint 136, plate Element 132 is such as further described referring to Fig. 9 A and 9B and can operated between extended position and retracted position.Also such as Fig. 7 A and Shown in 7B, support frame 134 includes being spaced apart by lower frame portion 142 and being interconnected by lower frame portion 142 The first and second upright lateral members 138,140.Upright lateral member 138,140 is prolonged upwards from lower frame portion 142 Stretch.Jointly, the first and second of support frame 134 the upright lateral members 138,140 and low portion 142 are to limit support The stiffener of the generally U-shaped structure of frame 134, panel element 132 are accommodated in the generally U-shaped structure.Flexible joint 136 It is arranged in the form of hinges between the lower part 132C of panel element 132 and the coupling part 142 of support frame 134.Flexible cover It is integral member as shown in figs. 7 a-b that element 130, which can be expected to be, which can be injection molded, with including The part of above-mentioned single cover element.

Referring also to Fig. 7 A and 7B, multiple mounting grooves 144 are arranged on around support frame 134, for such as further below Support frame 134 is connected to seat by description ground.A pair of of flexible connector 150,152 is operably coupled to support frame First and second upright lateral members 138,140 of frame 134, and it is additionally coupled to panel element 132 in its opposite side.First He Each of second flexible connector 150,152 each includes retractable portion 154,156, and retractable portion 154,156 provides foot Enough materials are to allow panel element 132 to be moved relative to support frame 134 between extended position and retracted position.In Fig. 7 A- The retractable portion 154,156 shown in the embodiment of 7C includes the material part of the protuberance to extend internally, the material of the protuberance Part can be stretched or be stretched to adapt to movement of the panel element 132 from retracted position to extended position.Flexible connector 150, 152 are expected into and are made of flexible polymeric materials, the flexible polymeric materials be flexible resilient and with panel element 132 With 134 Unitarily molded shaping of support frame.With the flexible connector 150,152 being arranged on the opposite side of panel element 132, Panel element 132 can be stretched to extended position when stretching with resting the head on component level, and when headrest assemblies are retracted to initially During position, its design position or retracted position can be recovered.In view of the flexible elastomeric nature of retractable portion 154,156, plate Element 132 will be stretched only according to needs when by the mobile driving of associated headrest assemblies outwardly towards extended position Exhibition.

With specific reference to Fig. 7 B, the rear or inner surface 132B of panel element 132 be shown as with the insertion being disposed thereon into The fastening element of 160 form of reinforcer of type.The reinforcer 160 of insert molding includes helping to provide structure for panel element 132 Rigid multiple hot stack projections (heat stacking features) 162.

Referring now to Fig. 7 C, flexible cover element 130 is shown as being connected to the inner surface 19A of closure member 19, the closure Element 19 is generally placed at the upper part 18a of backrest 18 as shown in Figure 6A.Closure member 19 is provided in can Adjust the decorative element of the seat 10a below headrest assemblies 20a.The 164 inner surface 19A from closure member 19 of attachment folder Stretch out, and be received through the binding groove 144 being arranged on around the support frame 134 of flexible cover element 130.With this Kind mode, flexible cover element 130 is easily attachable to seat assembly, to cover headrest assemblies as is further described Component.Flexible cover element 130 is releasably connected to closure member 19, so as to provide maintenance for the various parts of headrest assemblies Its optionally passage.

Referring now to Fig. 8 A, flexible cover element 130 is shown as being connected at closure member 19 in the R of retracted position The upper part 18a of backrest 18.In the R of retracted position, flexible cover element 130 is in less horizontal position, or more It is in backrest 18 in common plane body.Therefore, flexible connector 150,152 is in retraction or inactive state.Also such as Shown in Fig. 8 A, closure member 19 includes avoiding part 19C, and avoidance part 19C is arranged to when linked system is from backward It is positioned against accommodating a part for linked system 52 during the movement of front position.Flexible cover element 130 is avoiding connection at the 19C of part To closure member 19, part 19C and hiding linked system are avoided so as to close.With reference to figure 8B, flexible cover element 130 is with void As showing so that the lower part 59 of linked system 52 is directly disposed as the rear or inner surface 132B against panel element 132.Linkage system The lower part 59 of system 52 can be the lateral direction element 58 shown in Fig. 3 A as described above.Any other part of linked system 52 It can be contacted with the inner surface 132B of flexible cover element 130, to promote flexible cover element 130 to as described further below Extended position.It should be noted that in Fig. 8 A and 8B, headrest bag 2 removed 2, to expose the peace for being arranged on linked system 52 Passage and rail set 44 in loading board 42.

Referring now to Fig. 9 A, flexible cover element 130 is shown at retracted position R, and wherein panel element 132 is substantially It is upper horizontal, and flexible connector 152 is in the resting position against linked system 52.Although flexible connector 150 is being schemed Not shown in 9A and 9B, but it is identified to be run with 152 similar mode of flexible connector.In the embodiment shown in Fig. 9 A In, linked system 52 can be expected to be in initial position H so that headrest bag 22 is in retracted position R.Therefore, in Fig. 9 A In shown configuration, the position of linked system 52 is similar to the position of the linked system 52 shown in Fig. 3 A, 4A and 4C.In Fig. 9 B In, linked system 52 outwards translates, and headrest bag 22 is moved to forward facing position F1 so that linked system 52 is also as above It is described and be in forward facing position Y with also being referred in Fig. 3 C.In fig. 3 c, interval S is shown as in first connecting rod 54 Between lateral direction element 58.In embodiment as shown in Figure 9 B, lateral direction element 58, which can include, is arranged to contact flexible cover Element 130 and the low portion that flexible cover element 130 is pushed to the linked system 52 of the extended position E shown in Fig. 9 B A part of 59 (Fig. 8 B).In extended position E, flexible cover element 130 has the flexible connector 152 flexed outward so that soft Property connector 152 retractable portion 156 made by the lower part 59 of linked system 52 as the inner surface 132B of flexible cover element 130 Used time is straightened or stretches., can be with when linked system 52 is reset to initial or rearward position H (Fig. 9 A) from position Y (Fig. 9 B) , it is expected that the retractable portion 156 of flexible connector 152 will retract towards resting position, so that flexible cover element 130 returns to contracting Return puts R.Therefore, flexible connector 150,152 can operate between extended position and resting position.Flexible connector 150, 152, and specifically its retractable portion 154,156, it is directed towards the flexible member that resting position biases.Due to this set, Flexible cover element 130 is promoted or biased towards retracted position R by flexible connector 150,152 so that flexible cover element 130 is when connection Dynamic system 52 by against inner surface 132B and start to act on the inner surface 132B of panel element 132 with by panel element 132 from When retracted position R (Fig. 9 A) is moved to extended position E (Fig. 9 B), keep contacting with the continuous of linked system 52.In Fig. 9 A and 9B In shown embodiment, retractable portion 156 occurs with concertina configuration, however, it is possible to, it is expected that can use such as Fig. 7 A- The smoother or continuous part of flexible elastic material shown in 7C.

Referring now to Figure 10 A, headrest assemblies 20 are shown, wherein headrest bag 22 is in extended position E, extended position E is closed It is coupled to, adjustable shade assembly 30 is in the deployed D.Therefore, headrest bag 22 drives with as the linked system 52 shown in Figure 10 B Move and flexed outward from housing 24.In Figure 10 B, removed headrest bag 22 wraps 22 to expose the headrest that is operably connected Installing plate 42.As described above, installing plate 42 is the front part of linked system 52.In fig. 1 ob, linked system 52 has been in Full-forward position Z.In Figure 10 A, linked system 52 is generally hidden by the assembly for adjusting shade assembly 30 and housing 24. When linked system 52 is in rearward position or initial position H, linked system 52 by housing 24 generally hide, or only by Adjustable shade assembly 30 as shown in Figure 2 A is partially hidden from.

As described above, adjustable shade assembly 30 includes first and second element 30a, 30b, wherein the first element 30a is phase For the built-in component of the second element 30b as outer member.First element 30a packs up position when adjustable shade assembly 30 is in When putting S (Fig. 2A), generally telescopically it is contained in the second element 30b of outside.With linked system 52 will rest the head on bag 22 to Outer driving adjusts the first element 30a of shade assembly 30 also generally hiding position out of housing 24 to extended position E And the second nested position in element 30b outwards drives.It is as described further below, this is because the first element 30a is fixed Ground is connected to the fact that linked system 52.As shown in Figure 10 B, there are clearance G between the first element 30a and the second element 30b. The clearance G being arranged between first and second element 30a, 30b is configured to that beautiful adjustable shade assembly 30 is presented, wherein The pivoting action of the stretching motion of first and second element 30a, 30b and the second element 30b are smooth and continue to occur Movement.As described further below, the clearance G between the first element 30a and the second element 30b adds adjustable cover group The overall aesthetic of part 30, and the clearance G is kept during expanded position D is moved to from stowed position S.

Turning now to Figure 11 A, housing 24 is removed and adjustable shade assembly 30 is shown at expanded position D, So that linked system 52 is also at the Z location associated with the most forward facing position of linked system 52.Clearance G is shown as First element 30a of the adjustable shade assembly 30 being arranged at the outer surface 190 of one element 30a in Figure 11 A and the second element Between 30b.Clearance G defines the clear distance or interval between first and second element 30a, 30b, to allow first and second Element 30a, 30b's is individually moved.In Figure 11 A, pivoting point P7 be shown as limit first and second element 30a, 30b it Between pivot channel, to rotate the second element 30b along the direction indicated by arrow 94.

Referring now to Figure 11 B, adjustable shade assembly 30 is removed, to expose the linked system of position Z forwardly 52.The installing plate 42 of linked system 52 further includes the upper brace 170 of the groove 172 with rectangular shape, the rectangular shape Groove 172 there is the clip-like element 174 that is disposed thereon.The upper brace part 170 of installing plate 42 is adjustable shade assembly 30 The first element 30a provide link position.Also as shown in Figure 11 B, the biasing mechanism 180 of form of springs is shown as being connected to The mounting hole 176 being arranged at the rear portion of upper brace part 170.Biasing mechanism 180, which can be expected to be, is connected to adjustable cover The inner surface of second element 30b of component 30, for when installing plate 42 is outwards driven by linked system 52 towards extended position Second element 30b of the adjustable shade assembly 30 of bias.

Referring now to Figure 12, first and second element 30a, 30b of adjustable shade assembly 30 are shown as from linked system 52 decompose.In fig. 12, linked system 52 is shown at rearward position or initial position H.Also as shown in figure 12, biasing Mechanism 180 includes first end 182 and second end 184.First end 182 is arranged to be connected to the upper brace of installing plate 42 Mounting hole 176 on part 170.Second end 184 is arranged to be connected to the second element 30b as best shown in Figure 13 A Mounting lug 186.Also as shown in figure 12, the first element 30a includes the substantially U with outer surface 190 and inner surface 192 Shape configuration.The inverted U-shaped configuration of first element 30a is by the first and second lateral parts for being interconnected by top section 198 194th, 196 limit.The installation extended downwardly that top section 198 includes being arranged on the inner surface 192 of top section 198 is convex Ear 200.Mounting lug 200, which is arranged to accommodate, to be used to clamp the first element 30a to the upper brace of linked system 52 The clip-like element 174 of part 170.First and second lateral parts 194,196 further include the installation base 202 to extend internally. In Figure 12, the installation base 202 being arranged on lateral part 194 is shown, while similar installation base can be expected to be and set Put at 196 upper surface in the inner 192 of the second lateral part.The installation base 202 of first element 30a can be expected to be appearance It is contained in the mounting hole 204 on the bracket 50 stretched backward for the installing plate 42 for being arranged on linked system 52.Therefore, such as scheming In embodiment shown in 11A, the first element 30a can be expected to be by between mounting lug 200 and clip-like element 174 with peace The connection of the rectangular slot 172 of the upper brace part 170 of loading board 42 and the installation of bracket 50 also by stretching backward are convex The connection of platform 202 and mounting hole 204, to be fixedly connected to linked system 52.First and second lateral members 194,196 Lower rear portion includes being used for the pivoting hole 206,208 that the second element 30b is pivotally connected to the first element 30a.It is oriented to Groove 210,212 is provided in the longitudinal trough of the top of pivoting hole 206,208 as shown in figure 12.It is as described further below, it is oriented to Groove 210,212 is arranged to accommodate the director element being arranged on the second element 30b.

Also as shown in figure 12, the second element 30b further includes the substantially inverted U-shaped structure with outer surface 220 and inner surface 222 Type.The inverted U-shaped configuration of second element 30b by interconnected by 228 phase of top section the first and second lateral parts 224, 226 limit.The last method, edge of top section 228 includes outwardly extending joint flange 92, and the joint flange 92 is along top 228 and first and second lateral part 224,226 of part stretches out from the outer surface 220 of the second element 30b.As above institute State, joint flange 92 is arranged to a part for the housing of adjacent headrest assemblies, to be stretched and pivot forward with headrest bag Turn the mobile second element 30b in ground.Second element 30b further include be arranged to be contained in the first element 30a guide groove 210, Director element 230 in 212.In fig. 12, director element 230 is arranged on the inner surface 222 of the first lateral part 224 And extend internally.It is contemplated that the second lateral part 226 further includes director element, such as being connected to the first element The director element 230 of the guide groove 212 of 30a.The pivoting member 232 for being arranged on the lower section of director element 230 extends internally.Also It is contemplated that lateral part 226 further includes pivoting member 232.The pivoting member 232 of second element 30b can be expected to be receiving In the pivoting hole 206,208 of the first element 30a, between first and second element 30a, 30b as shown in Figure 11 A Pivot axis is limited at pivot points P 7.In the embodiment shown in fig. 12, the pivoting member 232 shown in the form of clip-like part has There is connected structure spaced apart (engagement features) 234,236, which is flexibly to have bullet Property, to be assembled in the pivoting hole 206,208 of the first element 30a.Once accommodating wherein, connected structure 234,236 is by the Two element 30b is remained to be pivotally engaged with the first element 30a.As director element 230 is arranged in guide groove 210,212, Second element 30b is subject to the length limitation of guide groove 210,212 relative to the pivoting action of the first element 30a, guide groove 210, 212 can be expected to be relatively small groove for limiting the pivoting action of the second element 30b.

As described above, first and second element 30a, 30b of adjustable shade assembly 30 are polymer elements so that can be with Lateral part 194,196 and 224,226 is respectively scatter suitably to install first and second element 30a, 30b.Specifically With reference to the first element 30a, the first and second lateral parts 194,196 can flex outward so that the first element 30a can be filled The over top of linked system 52 is fitted over, and the installation base of the stent 50 stretched backward relative to installing plate 42 is provided 202 gap.During the first element 30a is installed, installation base 202 will be accommodated in and be arranged on linked system 52 In the mounting hole 204 of the stent 50 stretched backward on opposite side.When installation base 202 aligns with mounting hole 204 and is held When being contained in mounting hole 204, its rest position that the first and second lateral parts 194,196 will be flexibly reset to shown in Figure 12 Put, so that the first element 30a be connected with linked system 52.In addition, the first element 30a in linked system 52 to moving down Moving will be associated with the connection of the slotted hole 172 of the upper brace part 170 of installing plate 42 with the first element 30a.With this side Formula, the first element 30a of adjustable shade assembly 30 are fixedly connected to linked system 52.

Referring also to Figure 12, the second element 30b of adjustable shade assembly 30 includes flexible resilient lateral part 224,226.This A little lateral parts 224,226 can scatter, between providing for the second element 30b to be installed on the first element 30a Gap.In particular, it may be desired to enough gaps for director element 230 and pivoting member 232 to provide from the first and second sidepiece portions Divide the space inwardly stretched both 224,266.It scatter each other in the first and second lateral parts 224,226 of flexible resilient In the case of, there is provided gap is pivoting member 232 to be connected with the pivoting hole 206,208 of the first element 30a.In addition, it is oriented to member Part 230 will be accommodated in the guide groove of the first element 30a when the second element 30b is arranged on above the first element 30a 210th, in 212.Once correctly aliging, director element 230 and pivoting member 232 will be with regard to that will be respectively received in guide groove 210,212 In pivoting hole 206,208, and the flexible elastomeric nature of the first and second lateral parts 224,226 of the second element 30b It will be made to be reset to from the installation site outwards distorted the resting position shown in Figure 12.

Referring now to Figure 13 A, adjust first and second element 30a, 30b of shade assembly 30 with the phase shown in Figure 12 As mode be shown as it is exploded from one another.As described above, the inverted U-shaped configuration of the second element 30b is by mutual by top section 228 Be connected the first and second lateral parts 224,226 to limit, with further limit the second element 30b inside 246, first Element 30a can partly be nested in the inside 246 of the second element 30b.In figure 13a in shown embodiment, the first element The mounting lug 200 of 30a is clearly shown as accommodating clip-like element 174.In addition, mounting lug 200 and clip-like element 174 are used to first element 30a is fixedly connected to linked system 52 at installing plate 42.Also as shown in FIG. 13A, machine is biased Structure 180 is arranged to be connected to the mounting lug 186 extended downwardly from the top section 228 of the second element 30b.

Also as shown in FIG. 13A, installation base 202 includes being arranged on surrounding multiple spaced protrusions (features) 203, the inner surface 192 of the first element 30a is spaced apart with the bracket 50 to extend back of linked system 52.Along first yuan Multiple separators 240,242 that the back edge 199 of part 30a is set are each along 198 and first and second side part of top section 194th, 196 set.Separator 240,242 is the element of inclination or wedge shape, and the element of the inclination or wedge shape is arranged to when the Inner edge section 244 when one element 30a is moved forward by linked system 52 with the second element 30b engages.Separator 240th, 242 be arranged to engagement the second element 30b inner edge section 244, with keep above with reference to Figure 10 B and Figure 11 B The clearance G being arranged between first and second element 30a, 30b.First yuan is further described referring to 13B and 13C The engagement of the separator 240,242 of part 30a and the second element 30b.

Referring now to Figure 13 B, the sectional view of adjustable shade assembly 30 is shown, wherein the first element 30a is partly nested In the inside 246 of the second element 30b.Clearance G is shown as being arranged on the upper or outer surface 190 and second of the first element 30a Between the inner surface 222 of element 30b.In Figure 13 B, the separator 240 that is arranged on the top section 198 of the first element 30a It is arranged to the inner edge section 244 away from the second element 30b.When linked system 52 is as shown by arrow F along forward direction When driving the first element 30a, inner edge section 244 of the separator 240 close to the second element 30b.

Referring now to Figure 13 C, the inner edge section 244 of the second element 30b separator with the first element 30a now 240 contacts, to engage.The engagement of the inner edge section 244 of 240 and second element 30b of separator causes the second element The forward direction of 30b edges such as arrow F instructions is moved together with the first element 30a, and by the mobile drive of the first element 30a Make the movement of the second element 30b.As described above, when the first element 30a starts the shell by the second element 30b from headrest assemblies 20 During stowed position movement in body 24, the joint flange 92 stretched upwards of the second element 30b will towards with Fig. 5 E, 5F and 5G In best shown in housing 24 inner edge section 100 junction movement, with relative to the first element 30a pivot second The upper part 96 of element 30b.In addition, the second element 30b relative to the pivoting action of the first element 30a be in such as Fig. 5 G most The pivoting action backward at pivot points P 7 shown in good.

Referring now to Figure 14 A, cover element 250 is shown as having and is generally centrally disposed in frame assembly 254 Panel element 252.Panel element 252 includes preceding or outer surface 252A and rear or inner surface 252B.Frame assembly 254 can be expected to be It is entirely connected as is further described with panel element 252.Frame assembly 254 include restriction make it is first and second lateral The low portion 256 for the lateral direction element that element 258,260 interconnects.First and second lateral members 258,260 be relative to The lateral member upwardly extended of low portion or lateral direction element 256.First and second lateral members 258,260 and frame set The low portion 256 of part 254 together defines the generally U-shaped configuration of frame assembly 254.Panel element 252 is generally received in In the U-shaped configuration of frame assembly 254, and the flexible joint 262 by being disposed there between is flexibly connected to low portion 256.By this way, cover element 250 is flexible cover element, which can contract along the path that such as arrow 264 indicates Return is put to be operated between expanded position.In Figure 14 A, panel element 252 is shown at retracted position RP.Panel element 252 by First and second in the lateral member 258,260 stretched upwards the interconnection for making panel element 252 and frame assembly 254 can Element 266,268 is stretched, expanded position DP (Figure 17 B) can be moved to from retracted position RP.

Also as shown in Figure 14 A, the first and second extendable elements 266,268 include having first end 272 and second end 274 main part 270.First end 272 is connected to panel element 252 in its opposite side.Second end 274, which is connected to, to be upwardly extended Lateral member 258,260.As best shown in Figure 16, first end 272 and second end 274 are in retracted position when panel element 252 During RP, it is arranged in the substantially similar plane limited by panel element 252.Therefore, the first and second extendable elements 266, 268 main part 270 is twisted or folded to extend outwardly into before panel element 252 or outside the 252A of outer surface.Main part Divide 270 to be arranged to distort or be folded to the position shown in Figure 14 A, panel element 252 is urged to retracted position RP.With This mode, the first and second extendable elements 266,268 can be in resting position AR (Figure 14 A) and extended position EP (Figure 17 B) Between operate.Therefore, when panel element 252 is moved to expanded position DP from retracted position RP, first and second extensible yuan The main part 270 of part 266,268 will be stretched from the folding position shown in Figure 14 A, to allow panel element 252 to be extended outwardly to Expanded position DP as seen in this fig. 17b.The main part 270 flexed outward of first and second extendable elements 266,268 is Cover element 250 provides clean aesthetic so that panel element 252 is in no ugly fold or to the first and second extendable elements 266th, in the case of the other undesirable influences of 268 flexible polymer property, expansion position can be moved to from retracted position RP Put DP.Also as shown in Figure 14 A, it is as described further below, the low portion 256 of frame assembly 254 and stretch upwards lateral Element 258,260 includes the mounting groove 280,282 through its setting, and cover element 250 is installed to decorative element.Cover element 250 can be expected to be integral member, and wherein panel element 252 and frame assembly 254 is can be manufactured using injection molding technology Global facility, which, which will provide, is connected to flexibility first and second and stretches element 266,268 and panel element 252 Generally rigid frame assembly 254.

Referring now to Figure 14 B, cover element 250 is shown by backsight, to expose rear or inner surface 252B.Fastening element 284 are shown as being connected to panel element 252 at its inner surface 252B, and can be expected to be for being provided for panel element 252 From retracted position RP to the overall movement of expanded position DP.Fastening element 284 is arranged to generally wear along its inner surface 252B The whole main part 253 of panel element 252 is crossed, to make during adjusting of the adjusting mechanism in headrest assemblies as described above With being that panel element 252 is provided and substantially uniformly moved when on the inner surface 252B of panel element.As described above, first and Two extendable elements 266,268 are the flexible resilient elements with the 254 Unitarily molded shaping of panel element 252 and frame assembly.Pass through The extendable element 266,268 being arranged on the opposite side of panel element 252, panel element 252 with headrest assemblies horizontal stretching, It can pivot or rotate to expanded position DP.In addition, it is contemplated that the flexible resilient of the first and second extendable elements 266,268 Property, panel element 252 can reset to its retracted position RP as headrest assemblies are towards initial position retraction.Especially, can stretch Exhibition element 266,268 will be unfolded or stretch at its main part 270, to allow the pivoting action of panel element 252.

Referring now to Figure 15 A, cover element 250 is shown as being connected to decorative element 290, which includes tool There is the main part 292 of the first and second lateral members 294,296,294 and second lateral member 296 of the first lateral member Limit and avoid part 298, cover element 250 is connected to decorative element 290 in the avoidance part 298.Specifically, panel element 252 It is arranged in the avoidance part 298 of decorative element 290.It is to be generally placed at seat that decorative element 290, which can be expected to be, The closure member for being very similar to the closure member 19 shown in Fig. 6 A at the upper part 18a of backrest 18.Decorative element 290 The component for the seat 10a being provided in below adjustable headrest assemblies 20a.Decorative element 290 includes outer surface 300, The outer surface 300 is considered big with the outer surface 252A of panel element 252 when panel element 252 is in retracted position RP The A side surfaces flushed on body.By this way, it is contemplated that its outer surface 252A generally flushed, 300,250 He of cover element The connection of decorative element 290 is beautiful connection.Also as shown in fig. 15, in the avoidance part 298 of decorative element 290 and cover member There may be clearance G between part 250, with to for by cover element 250 from its instrument with the Connection Release of decorative element 290 Passage is provided, so as to repair headrest assemblies and its adjusting mechanism.

Referring now to Figure 15 B, cover element 250 is shown as by stretching out from the inner surface 302 of decorative element 290 Clip-like part 304,306 be connected to decorative element 290, and clip-like part 304,306 is accommodated at its frame assembly 254 In the mounting groove 280,282 of cover element 250.Target area T is identified as being in the lower part portion of frame assembly 254 in Figure 15 B Point or lateral direction element 256 on, and it is by entering the clearance G (figure between cover element 250 and decorative element 290 that can be expected to be The targeted target area of instrument 15A), cover element 250 is promoted inwardly to promote the frame assembly 254 of cover element 250 Depart from the engagement with decorative element 290 at clip-like part 304,306.Cover element 250 and the releasable connection of decorative element 290 Maintenance for headrest assemblies and the adjusting mechanism of headrest assemblies provides a convenient approach.

Referring now to Figure 16, the cross section of cover element 250 is shown as being connected to decorative element 290.As shown in figure 16, First and second ends 272,274 of the first and second extendable elements 266,268 when panel element 252 is in retracted position RP, It is in alignment with each other in common plane P, and aligns with panel element 252.In addition, the main part of extendable element 266,268 272 when panel element 252 is in retracted position RP, relative to before panel element 252 or outer surface 252A is outwards to extension Exhibition.

Referring now to Figure 17 A, cover element 250, which is shown as having, can be expected to be the panel element in retracted position RP 252.In the case where panel element 252 is in retracted position RP, the first and second extendable elements 266,268 can be expected to be In resting position AR.Although invisible in the view of cover element 205 of the extendable element 268 in Figure 17 A and 17B, It is identified as panel element 252 from retracted position RP is moved to expanded position DP, with the side similar to extendable element 266 Formula is run.In the embodiment shown in Figure 17 A, linked system 52 is shown at initial position H so that at headrest bag 22 In retracted position R.Therefore, in the configuration shown in Figure 17 A, the position of linked system 52 is similar to shown in Fig. 3 A, 4A and 4C Linked system 52 position.In Figure 17 B, linked system 52 has outwards been translated being moved to headrest bag 22 to anteposition Put F1 so that linked system 52 is in such as forward facing position Y that is discussed further above and being also related in fig. 3 c.Scheming In 3C, interval S is shown as between the lateral direction element 58 of first connecting rod 54.It is laterally first in the embodiment shown in Figure 17 B Part 58 can include a part for the lower part 59 (Fig. 8 B) of linked system 52, a part of quilt of the lower part 59 of the linked system 52 The panel element 252 of contact cover element 250 is configured to, and the panel element 252 of cover element 250 is pushed to shown in Figure 17 B Expanded position DP.In the case where panel element 252 is in the deployed DP, the first and second extendable elements 266,268 to Extend to extended position EP outside so that the main part 270 of extendable element 266 is with the inner surface 252B of cover element 250 (Figure 14 B) is acted on by the lower part 59 of linked system 52 and is straightened or stretches so that main part 270 is unfolded.When linked system 52 When being back to initial or rearward position H (Figure 17 A) from position Y (Figure 17 B), it is contemplated that, the main part of extendable element 266 Divide 270 will retract or fold towards resting position AR, so that the panel element 252 of cover element 250 is back to retracted position RP.Cause This, flexible connector 150,152 can operate between stretch position and resting position.Extendable element 266,268, and have It is its main part 270 body, is directed towards the flexible resilient element of resting position AR biasings.Due to this bias configuration, cover The panel element 252 of element 250 is promoted or biased towards retracted position RP by extendable element 266,268 so that panel element 252 Inner surface 252B is kept and 52 continuous contact of linked system during the retraction of linked system 52.

It will be appreciated by the skilled addressee that the construction of described invention and other components be not limited to it is any specific Material.The other exemplary embodiments of present invention disclosed herein can be formed by various materials, unless otherwise saying It is bright.

For purposes of this disclosure, (its whole form, connection (couple), connecting term " connection " (coupling), it is connected (coupled) etc.) typically refer to two components (electric or mechanical) directly or indirectly each other Connection.This connection is probably static in itself or moveable in itself.This connection can pass through two components (electric or mechanical) and with each other or two components be formed integrally as single overall any additional intermediary element come Realize.This connection substantially can be permanent, or unless otherwise stated, can be removable or can release Put.

It is also important to note that arriving, the configured and disposed of element of the invention shown in exemplary embodiment is only It is illustrative.Although several embodiments of the present invention are only described in detail in the disclosure, present disclosure ability is read Field technique personnel will readily appreciate that, many modifications are possible (such as the size of various elements, size, structure, shape and ratios Example, parameter value, installation settings, the use of material, color, orientation etc.), without departing from the novel teachings of the theme and excellent Point.For example, being shown as integrally formed element can be made of multiple components, or be shown as the elements of multiple components can overall shape Into the operation of interface can be reversed or altered, the length or other of width or system yuan of structure and/or element or connector Part can change, and the property or quantity of the adjusting position provided between elements can change.It should be noted that the element of system And/or assembly can be by any various colors, texture and the various materials for providing enough intensity or durability of combination Any one of material is formed.Therefore, all such modifications are intended to be included in the scope of the present invention.The present invention is not being departed from Spirit in the case of, it can be carried out in desired and the design of other exemplary embodiments, operating condition and setting His substitutions, modifications, changes and omissions.

It should be appreciated that any described process or it is described during the step of can be with other disclosed mistakes Journey or step are combined to form the structure in the scope of the invention.Example structures and processes disclosed herein are used for the mesh illustrated , and be not necessarily to be construed as restricted.

It is also understood that without departing from the spirit of the invention, said structure and method can be changed And modification, and it is also understood that such design is intended to by following claims cover, unless these claims pass through Their language is clearly otherwise indicated.

Claims

1. a kind of seat, comprising：

Backrest, the backrest have upper part；

Headrest adjustable component, the headrest adjustable component are supported in the upper part of the backrest, institute Stating headrest adjustable component has headrest bag and adjusting mechanism, and the adjusting mechanism is used between extended position and retracted position The headrest bag is adjusted, wherein the interval being limited between the headrest bag and the backrest is adjusted when the headrest coating Extended during to the extended position；With

Flexible cover element, the flexibility cover element are arranged on the backrest, and with can by first and second Stretching, extension element is connected to the panel element of frame assembly, wherein a part for the adjusting mechanism abuts the interior table of the panel element Face, so as to as the headrest coating is towards extended position driving and towards described in expanded position movement in the interval Panel element, and further wherein described first and second extendable element can be operated static between extended position, and The extended position is moved to as the panel element is moved to the expanded position.

2. seat according to claim 1, wherein the frame assembly of the flexible cover element includes making first The low portion interconnected with the second lateral member stretched upwards.

3. seat according to claim 2, wherein the frame assembly includes being arranged to through described first and the One or more mounting grooves of two lateral members stretched upwards.

4. seat according to claim 3, wherein the frame assembly includes being arranged on the institute of the frame assembly State one or more mounting grooves on low portion.

5. according to the seat described in any one of preceding 4 claims, including：

The decorative element being arranged in the upper part of the backrest, the decorative element, which has, avoids part.

6. according to the seat described in any one of preceding 5 claims, wherein the flexible cover element is in the decoration The relief portion office of component is connected to the decorative element.

7. seat according to claim 6, wherein the decorative element is included from its outwardly extending one or more A clip-like part, and further one or more of clip-like parts of wherein described decorative element are accommodated in described first and It is one or more of in one of described low portion of two lateral members stretched upwards and the frame assembly In groove, the flexible cover element is releasably connected to the decorative element.

8. according to the seat described in any one of claim 1-7, wherein first and second extendable element is Flexible resilient element, and biased towards the resting position.

9. seat according to claim 8, wherein first and second extendable element is from the expanded position The panel element is inwardly promoted towards the retracted position.

10. seat according to claim 9, wherein the flexible cover element is arranged on the vehicle of the headrest bag Rear.

11. seat assembly according to claim 2, wherein the low portion of the frame assembly passes through activity It is hingedly attached to the panel element.

12. seat assembly according to claim 11, wherein the flexible cover element is integral member.

13. seat assembly according to claim 8, wherein the panel element is in the retraction when the panel element During position and when the panel element is in the expanded position, the part of the adjusting mechanism is contacted.

14. the seat assembly according to any one of claim 1-12, including：

The reinforcer of insert molding, the reinforcer of the insert molding are arranged on the inner surface of the panel element along its upper part part On.

15. a kind of seat, comprising：

Backrest, the backrest have upper part；

Headrest adjustable component, the headrest adjustable component are supported in the upper part of the backrest, institute Stating headrest adjustable component has headrest bag and adjusting mechanism, and the adjusting mechanism is used between extended position and retracted position Adjust the headrest bag；With

Flexible cover element, the flexibility cover element are arranged on the backrest, and with can by first and second Stretching, extension element is connected to the panel element of frame assembly, wherein a part for the adjusting mechanism abuts the interior table of the panel element Face, to be driven with the headrest coating towards extended position and towards the expanded position movement panel element, and further Wherein described first and second extendable element can operate between static and described extended position, and with the panel element It is moved to the expanded position and is moved to the extended position.

16. a kind of cover element, comprising：

First and second extendable elements, first and second extendable element have the first end for being connected to the panel element With the second end of the lateral member that is connected to the frame assembly, wherein the extendable element further includes distortion to retract The main part flexed outward of the panel element.

17. a kind of seat, comprising：

Cover element, the cover element is arranged on the lower section of the headrest assemblies, and has panel element, the panel element and institute State adjusting mechanism to engage and can operate between expanded position and retracted position, wherein the panel element is wrapped with the headrest Outwards driven and moved towards the expanded position by the adjusting mechanism；With

First and second extendable elements, first and second extendable element have the first end for being connected to the panel element With the second end of the lateral member that is connected to the frame assembly, wherein the extendable element further includes what is flexed outward Main part, the main part flexed outward is as the headrest is coated with the inside driving of the adjusting mechanism and folds to contract Return the panel element.