CN103997935B - Rest the head on and vehicle seat used - Google Patents
Rest the head on and vehicle seat used Download PDFInfo
- Publication number
- CN103997935B CN103997935B CN201280062695.5A CN201280062695A CN103997935B CN 103997935 B CN103997935 B CN 103997935B CN 201280062695 A CN201280062695 A CN 201280062695A CN 103997935 B CN103997935 B CN 103997935B
- Authority
- CN
- China
- Prior art keywords
- headrest
- seat
- bolster
- maintaining part
- upset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/885—Head-rests provided with side-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
- B60N2/818—Head-rests movable or adjustable vertically slidable characterised by their locking devices with stepwise positioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/838—Tiltable
Abstract
The headrest and vehicle seat used that the present invention provides, it is possible to increase occupant protection performance, and comfortableness is improved when passenger needs.Vehicle seat used headrest (10) possesses: headrest bolster (16), the head of its supporting passenger;Headrest maintaining part (12), it is supporting head bolster (16) on rear side of seat.It is equipped with upset holding member at this headrest (10), headrest bolster (16) supporting is can to overturn on the downside of the seat in chair back front relative to headrest maintaining part (12) by this upset holding member, and headrest bolster (16) is held in the position after upset.
Description
Technical field
The present invention relates to headrest and the vehicle seat used of this headrest is installed.
Background technology
Following patent documentation 1 and following Patent Document 2 discloses band headrest vehicle seat used.This automobile seat
The headrest of chair possesses: headrest body, and it is disposed in the upside of the chair back and from the head of rear supporting passenger;With neck support portion,
It is from the cervical region of rear supporting passenger.Transverse axis is extended along seat width direction in headrest body, in neck support portion
End, seat width direction is formed with the end extended portion extended to upside.Extended portion, end can be rotationally
Axle is supported on transverse axis, and neck support portion can rotate with extended portion, end centered by this transverse axis integratedly.
Above-mentioned headrest is when generally using, and the head of constraint passenger improves occupant protection performance.It addition, above-mentioned headrest root
Support the cervical region of passenger according to needing to make neck support portion to rotate on front side of seat, thus improve the comfortableness of passenger.
Patent documentation 1: four No. 523853 publications of Japanese Patent No.
Patent documentation 2: four No. 647331 publications of Japanese Patent No.
Disclosed in above-mentioned patent documentation 1 and patent documentation 2 band rest the head on vehicle seat used in, be formed as making cervical region
Support is to the structure rotated on front side of seat on rear side of seat, and when passenger leans on, neck support portion can return on rear side of seat.
Therefore, it is difficult to use neck support portion to support the cervical region of passenger exactly, thus it is difficult to obtain enough comfortablenesses.
It addition, above-mentioned band rest the head on vehicle seat used in, be formed as end portion and the chair back upper in headrest body
The structure that the chien shih neck support portion of end rotates on front side of seat.Neck support portion can be made to more top side shifting than the chair back.
But, it is impossible to make neck support portion side shifting under the seat in the front of the chair back.Therefore the range of activity in neck support portion exists
Restriction, therefore, it is difficult to obtain enough comfortablenesses.
Summary of the invention
The present invention considers above-mentioned practical situation, it is therefore intended that provide one can improve occupant protection performance, and can
The headrest of comfortableness is improved when passenger needs.
It addition, it is an object of the invention to obtain above-mentioned headrest is installed on the vehicle seat used of the chair back.
The headrest of first embodiment of the present invention possesses: headrest bolster, the head of its supporting passenger;Headrest maintaining part, its
Supporting head bolster on rear side of seat;And upset holding member, its by headrest bolster supporting for can be to relative to headrest maintaining part
Overturn on the downside of the seat in chair back front, and headrest bolster is held in the position after upset.
In the headrest of the first embodiment, the head of headrest bolster supporting passenger, on rear side of seat, utilize headrest maintaining part
Support this headrest bolster.Wherein, headrest bolster supporting is can be to chair back front relative to headrest maintaining part by upset holding member
Overturn and be held in by headrest bolster the position after upset on the downside of seat.Therefore when generally using, it is possible to utilize headrest bolster and
Headrest maintaining part fetters the head of passenger on rear side of seat and suppresses or prevent the hypsokinesis of head.It addition, when passenger needs, energy
Enough make headrest bolster be turned on the downside of at least seat in chair back front from headrest maintaining part and be held in this position, such as, make headrest
Pad is folded between the cervical region of passenger and the chair back.Position after utilizing upset holding member that headrest bolster is held in upset, therefore
Even if passenger leans on, headrest bolster also will not be kept out of the way on rear side of the chair back.Further, since can be relative to by upset holding member
Headrest maintaining part upset, therefore, it is possible to make headrest bolster overturn and move to than the lower position on the downside of chair back upper surface seat chair.
The headrest of second embodiment of the present invention, is on the basis of the headrest of the first embodiment, it is characterised in that
One side at headrest bolster has the first appearance face of supporting head of passenger, props up having with the most relative another side of headrest bolster
Holding the second appearance face of passenger's cervical region, headrest maintaining part makes the first appearance carry out holding head bolster facing to chair back front, and upset is protected
Hold the position after parts make the second appearance that headrest bolster to be held in upset facing to chair back front.
In the headrest of the second embodiment, headrest bolster has the first appearance face of the head of supporting passenger in one side, and
And there is the second appearance face of the cervical region of supporting passenger at another side.Wherein, headrest maintaining part makes the first appearance facing to the chair back
Holding head bolster is carried out in front.It addition, upset holding member makes the second appearance be held in by headrest bolster turn over facing to chair back front
Position after Zhuaning.Therefore when generally using, it is possible at the head of the first appearance surface bearing passenger of headrest bolster, and passenger
When needing, only headrest bolster is inverted to enough cervical regions being configured on front side of seat in the second appearance face and supporting passenger.
The headrest of third embodiment of the present invention, is on the first embodiment or the basis of the headrest of the second embodiment
On, it is characterised in that upset holding member possesses: rotary shaft, its by headrest bolster supporting for can be to relative to headrest maintaining part
Rotate on the downside of the seat in chair back front;Guide member, it is disposed in headrest maintaining part and any one party of headrest bolster, have from
Extended go forward side by side on the downside of the seat making headrest bolster be turned to chair back front in the position that headrest bolster is supported on headrest maintaining part
The guiding groove of the position that row keeps;Guided member, it is disposed in headrest maintaining part and any the opposing party of headrest bolster, along
Guiding groove is directed.
In the headrest of the 3rd embodiment, upset holding member possesses: rotary shaft, guide member and directed section
Part.Wherein, headrest bolster supporting is rotatable relative to headrest maintaining part by rotary shaft.Guide member is disposed in headrest maintaining part
And any one party of headrest bolster, and there is guiding groove.This guiding groove prolongs from the position that headrest bolster is supported on headrest maintaining part
Stretch setting to making this headrest bolster be turned on the downside of the seat in chair back front and carrying out the position kept.Guided member is disposed in head
Pillow maintaining part and any the opposing party of headrest bolster, directed along guiding groove.Therefore when generally using, it is possible to utilize and guide
The guiding groove of parts and guided member, at headrest maintaining part holding head bolster, therefore, it is possible to utilize headrest bolster and headrest to protect
Portion of holding fetters the head of passenger on rear side of seat and suppresses or prevent the hypsokinesis of head.It addition, when passenger needs, it is possible to utilize
The guiding groove of guide member and guided member, make headrest bolster overturn on the downside of the seat in chair back front and keep, therefore
Headrest bolster such as can be used to support the cervical region of passenger.
The headrest of the 4th embodiment of the present invention, is at the first embodiment~any one head of the 3rd embodiment
On the basis of pillow, it is characterised in that headrest maintaining part possesses sidepiece support, and this sidepiece support covers the seat width of headrest bolster
The two sides in degree direction, and dash forward on front side of seat than the surface on front side of the seat on the top of the headrest bolster of position after being in upset
Go out.
In the headrest of the 4th embodiment, possesses the sidepiece supporting of the two sides covering headrest bolster in headrest maintaining part
Portion.Wherein, sidepiece support is dashed forward on front side of seat than the surface on front side of the seat on the top of the headrest bolster of the position after upset
Go out.If therefore making headrest bolster overturn and keep, then before the both sides at headrest bolster are formed than the two of headrest bolster lateral seats
The sidepiece support that side is prominent, therefore, it is possible to support the both sides of the head of passenger when passenger needs.
5th the vehicle seat used of embodiment of the present invention possesses: the first embodiment~the 4th embodiment any
One headrest;Head rest stays, it forms as one with headrest maintaining part, and has height adjusting part;Support, it is disposed in
The chair back, slides axially freely by head rest stays supporting for support along head rest stays, and can tune incompatible with height adjusting part card
The height of head restraint pillar.
The 5th embodiment vehicle seat used in, it is possible to obtain with by the first embodiment~the 4th embodiment
The identical effect of effect that obtains of any one headrest.Additionally, the headrest maintaining part of headrest forms as one with head rest stays,
And it is formed with height adjusting part at head rest stays.It is disposed in the support of the chair back, is can be vertically by head rest stays supporting
Slide, and can the height of regulation head rest stays incompatible with height adjusting part card.Wherein, in headrest, make headrest bolster relative
Can overturn to the under-seat in chair back front in headrest maintaining part and keep.Therefore make headrest bolster overturn and protecting
Under the state held, head rest stays slides at support, is engaged with the height adjusting part of head rest stays by support, it is possible to
The altitude mixture control of headrest bolster is carried out on a large scale.
In accordance with the invention it is possible to be improved occupant protection performance, and comfortableness can be improved when passenger needs
Headrest.
It addition, in accordance with the invention it is possible to obtain above-mentioned headrest is installed on the vehicle seat used of the chair back.
Accompanying drawing explanation
Fig. 1 is the front view of the headrest from vehicle seat used front side embodiments of the present invention.
Fig. 2 is the side view observing the headrest shown in Fig. 1 from vehicle seat used left surface.
Fig. 3 is that the master of the state after making headrest bolster upset from the headrest shown in vehicle seat used front side Fig. 1 regards
Figure.
Fig. 4 is the side view observing the headrest shown in Fig. 3 from vehicle seat used left surface.
Fig. 5 is the axonometric chart observing the headrest shown in Fig. 3 and Fig. 4 from vehicle seat used left forward side.
Fig. 6 is the exploded perspective view of the headrest shown in Fig. 5.
Fig. 7 is the assembling stereogram of the headrest shown in Fig. 5.
Fig. 8 (A) is that the master of the skeleton of the headrest maintaining part from the headrest shown in vehicle seat used front side Fig. 1 regards
Figure, (B) is the side view of the skeleton observing headrest maintaining part from vehicle seat used left surface, and (C) is from vehicle seat used
Observe the top view of the skeleton of headrest maintaining part above.
Fig. 9 (A) is the front view of the skeleton of the headrest bolster from the headrest shown in vehicle seat used front side Fig. 1, (B)
Being the side view of skeleton from vehicle seat used left surface viewing head bolster, (C) is from vehicle seat used above viewing head
The top view of the skeleton of bolster.
Figure 10 is, from vehicle seat used front side, the skeleton of the headrest bolster shown in Fig. 9 is assembled in the head shown in Fig. 8
The front view of the state of the skeleton of pillow maintaining part.
Figure 11 is the main portion of the upset holding member observing the headrest shown in Figure 10 from vehicle seat used left forward side
Divide amplification stereogram.
Figure 12 is the main portion of the upset holding member observing the headrest shown in Figure 10 from vehicle seat used right forward side
Divide amplification stereogram.
Figure 13 is the schematic side of the use state observing the headrest shown in Fig. 1~Figure 12 from vehicle seat used left surface
Figure.
Detailed description of the invention
Hereinafter, with reference to Fig. 1~Figure 13, to the headrest of embodiments of the present invention and vehicle seat used illustrate.This
Outward, the arrow FR that suitably illustrates in each figure, arrow UP, arrow W, represent vehicle seat used front, top, width side respectively
To.It addition, in the present embodiment, vehicle seat used front, top, width, respectively be equipped with vehicle seat used
The front of vehicle, top, width substantially uniform.
Vehicle seat used structure
It is indoor that vehicle seat used 30 of present embodiment shown in Figure 13 are installed on car.Vehicle seat used 30 both can be to drive
Sailing seat can also be front passenger's seat, and both can before can also be rear.It addition, vehicle seat used 30 both can be to enter
The angle adjustment of the row chair back movable, can also be angle adjustment fixed that can not carry out the chair back.Vehicle seat used 30
Possess: for seating passengers chair cushion (omit diagram) and be connected on rear side of the seat of chair cushion and lean on rear side of seat for passenger
The chair back (part on the upside of diagram).In the upside of the chair back, headrest 10 is installed.
The structure of headrest
As shown in Fig. 1~Fig. 7, headrest 10 possesses: headrest bolster 16, headrest maintaining part 12, head rest stays 14 and upset are protected
Hold parts.
Headrest bolster 16 is the mat along pillow extended for seat width direction W.As shown in Figure 1, Figure 2 and Fig. 6, Fig. 7 institute
Showing, headrest bolster 16 has the first appearance face 16A at one mask, and this first appearance face 16A has prominent mild to seat front
Curved surface support the head (back of head) of passenger.It addition, as shown in Fig. 3~Fig. 7, headrest bolster 16 with the first appearance face 16A
Opposed another side has the second appearance face 16B, and this second appearance face 16B has in the seat front, upper direction making headrest bolster 16
And making seat rear, lower direction when upset mobile (in the diagram and in Fig. 5, mobile along the upset of arrow R direction), lower section ratio is upper
The mild curved surface that seat front, direction is prominent, and support the cervical region of passenger.The seat at the position of the supporting cervical region of headrest bolster 16
The thickness of fore-and-aft direction is formed as thicker than other positions.Headrest bolster 16 is made for other portions independent relative to headrest maintaining part 12
Part.
As shown in Fig. 6, Fig. 7, Fig. 9 (A)~Fig. 9 (C) and Figure 10, headrest bolster 16 is by by such as polyurethane foam etc.
The foaming body with resiliency form as one with framework 160, and utilize epidermis to cover the surface of this foaming body and formed.
Being formed to framework 160 when observing on rear side of seat by square ring on front side of seat, the skeleton part as headrest bolster 16 uses.As
Shown in Fig. 6, Fig. 7, Fig. 9 (B), extended approximately along vertical direction on the upside of the seat of framework 160, on the downside of the seat of framework 160
To bend obliquely in the way of prominent on front side of seat.Although material is not particularly limited, but add to easily carry out machinery
Work and make manufacturing cost cheap, and framework 160 is used line or the solid wire rods such as such as iron wire.Additionally, framework 160 is with light-duty
Turn to purpose and aluminum alloy materials, resin material can be used.It addition, framework 160 is not limited to solid wire rod, it is possible to use
Hollow wire rod.Epidermis can also be used cloth, plastics, leather etc..
As shown in Fig. 1~Fig. 7, headrest maintaining part 12 possesses: back support portion 12C, sidepiece support 12A and 12B.The back of the body
Portion support 12C arrange on rear side of the seat chair of headrest bolster 16 and with the second appearance face 16B of headrest bolster 16 or the first appearance
Face 16A is opposed.Back support portion 12C has the width dimensions that the size than the seat width direction W of headrest bolster 16 is slightly longer, and tool
There is the size that the size of seat above-below direction with headrest bolster 16 is the most equal, cover the second appearance face 16B or the first appearance face
16A's is more than half.Back support portion 12C is formed by the approximately parallelepiped body shape on each limit with curved surface.
As shown in Fig. 6 and Figure 13, constitute on front side of the seat of back support portion 12C and have the 3rd appearance face 12D.3rd makes
It is respectively provided with recess on the downside of 12D side on the seat, shape face and seat, descends the central part in direction to have protuberance on the seat.Such as this
Shown in Figure 13, on front side of seat, configure the first appearance face 16A of headrest bolster 16, when configuring the second appearance face 16B on rear side of seat,
3rd appearance face 12D has the shape contrary for appearance face 16B with second, so being formed as chimeric with this second appearance face 16B
Shape.It addition, the second appearance face 16B of headrest bolster 16 is being overturn on front side of seat configuration and by the first appearance face 16A configuration
Time on rear side of seat, be formed as the recess on the downside of the seat of the 3rd appearance face 12D, with the seat of the first appearance face 16A on the upside of and
The shape that ledge on rear side of seat is chimeric.Now, use relative to the location division of headrest maintaining part 12 as headrest bolster 16
3rd appearance face 12D.
Observing from the passenger being seated at vehicle seat used 30, sidepiece support 12A arranges as from the right side of back support portion 12C
Hold prominent on front side of seat.Observing from the passenger being seated at vehicle seat used 30, sidepiece support 12B arranges as from back support
The left end of portion 12C is prominent on front side of seat.Sidepiece support 12A and 12B covers the two of the seat width direction of headrest bolster 16
Side.On front side of with the first appearance face 16A of headrest bolster 16 as seat, with the second appearance face 16B as seat on rear side of time, sidepiece props up
The surface on front side of seat on the upside of the seat of bearing portion 12A and 12B, than the first appearance face 16A on the downside of the seat of headrest bolster 16
On front side of seat prominent.
Sidepiece support 12A and 12B is integrally constituted with back support portion 12C in the present embodiment, and headrest keeps
Portion 12 is made up of the concave shape opened on front side of seat under overlooking.Such as Fig. 6, Fig. 7, Fig. 8 (A)~Fig. 8 (C) and Figure 10 institute
Show, headrest maintaining part 12 as headrest bolster 16, by the upside of foaming body and the seat of the framework 140 of head rest stays 14, sidepiece props up
Support frame frame 146A and 146B forms as one, and utilizes epidermis to cover the surface of this foaming body and formed.To epidermis use cloth,
Plastics, leather etc..
Observing on rear side of seat on front side of seat, framework 140 is formed as side on the seat and turns back and open on the downside of seat
Reverse U shape shape, as headrest 10 skeleton part use and support headrest 10.As it has been described above, on the upside of the seat of framework 140
Being integrally formed in the inside of the back support portion 12C of headrest maintaining part 12, the downside of framework 140 is from back support portion 12C's
Lower end extends on the downside of seat.In the present embodiment, observe on rear side of seat on front side of the downside and seat of framework 140,
Right side is equipped with height adjusting part 142.Height adjusting part 142 by the bearing of trend along framework 140 and at this with at equal intervals
Multiple grooves of configuration are constituted.Framework 140 is used such as mechanical realization carbon carbon steel tubing, is used herein as pipe.At framework
The middle body of the seat above-below direction of 140 and be equipped with strengthening part 144 in the inside of back support portion 12C.Strengthening part
Link between 144 two frameworks 140 that will turn back and extend parallel on the downside of seat.To strengthening part 144 such as with framework
160 use iron wire equally.
Sidepiece scaffold 146A such as engages with the upper right of framework 140 with welding.Observe from seat right flank,
Sidepiece scaffold 146A is formed by anti-C word shape, is integrally formed in the inside of sidepiece support 12A.Sidepiece scaffold
146B engages with the upper left of framework 140.Observing from seat left surface, sidepiece scaffold 146B is formed as C word shape, and one
It is formed at the inside of sidepiece support 12B body.Counter-lateral quadrents scaffold 146A and 146B such as uses iron wire.
Headrest maintaining part 12 possesses back support portion 12C, therefore the second appearance face of supporting head bolster 16 on rear side of seat
16B or the first appearance face 16A.It addition, headrest maintaining part 12 possesses sidepiece support 12A and 12B, therefore from seat width side
To outside towards inner side supporting passenger head.
The structure of upset maintaining part
As shown in Fig. 6~Figure 12, headrest 10 possesses upset holding member, and headrest bolster 16 is supported and is by this upset holding member
Can overturn on the downside of the seat in chair back front relative to headrest maintaining part 12, and headrest bolster 16 is maintained at the position after upset
Put.This upset holding member is configured to possess rotary shaft 20A and 20B, guide member 148A and 148B, guided member
166A and 166B.
Upset holding member guide member 148A be by sidepiece scaffold 146A at seat fore-and-aft direction and seat
In the region that chair above-below direction impales, by from the framework 140 of head rest stays 14 to plate-shaped member structure projecting on front side of seat
Become.Guide member 148A is such as used mechanical realization carbon steel.Such as with weldering on rear side of the seat of this guide member 148A
Connect and engage with framework 140.Equally, guide member 148B be by sidepiece scaffold 146B at seat fore-and-aft direction and seat
In the region that above-below direction impales, by constitute to projecting plate-shaped member on front side of seat from framework 140.This guide member
Engage with framework 140 on rear side of the seat of 148B.Guide member 148B is to be formed by the material identical with guide member 148A.
Being equipped with guiding groove 1482 respectively at guide member 148A and 148B, this guiding groove 1482 is by with rotary shaft 20A
And centered by 20B and have fixing radius elongated hole formed, there is the C word shape opened on front side of seat.Guiding groove
1482 is extended to making headrest bolster 16 to chair back front from the position 1482D that headrest bolster 16 is supported on headrest maintaining part 12
Overturn on the downside of seat and carry out the position 1482U kept.The rotation of substantially 180 degree it is set to from position 1482D to position 1482U
Gyration is poor.
At guide member 148A and 148B, it is equipped and rotary shaft in the center of the radius of curvature of guiding groove 1482
The rotary shaft hole 1480 that 20A and 20B is chimeric.Rotary shaft hole 1480 is the through hole of through guide member 148A and 148B.Separately
Outward, in the present embodiment, guide member 148A and 148B be formed on rear side of seat be linked to guiding groove 1482 insert
Approach 1484.This insertion road 1484 be for headrest bolster 16 is assembled in headrest maintaining part 12 time, by guided member 166A with
And 166B loads the parts of guiding groove 1482.Additionally, assemble midway, guiding groove 1482 load guided member 166A and
In the case of 166B, insertion road 1484 is dispensable, therefore can also be not provided with.
Observing from the passenger being seated at vehicle seat used 30, guided member 166A is disposed in the framework 160 of headrest bolster 16
Right side seat on the downside of.Guided member 166A is that sandwiched is provided with on front side of seat to after seat between framework 160
Side bends to the connecting member 162A of crank shape, and the pin parts slided along guiding groove 1482 when observing.Connecting member
162A such as engages with framework 160 with welding, and guided member 166A is fixed on connecting member 162A by press-in or welding.
Between the bonding station to framework 160 side engagement and the fixed position of guided member 166A of connecting member 162A, arrange
There is rotary shaft limiting unit 164A installing rotary shaft 20A.In the present embodiment, welding is used for rotary shaft limiting unit 164A
Nut.
Equally, observing from the passenger being seated at vehicle seat used 30, guided member 166B is disposed in the left side of framework 160
Seat on the downside of.Guided member 166B is that sandwiched is provided with and observes on rear side of seat on front side of seat between framework 160
Time bend to the connecting member 162B of crank shape, and the pin parts slided along guiding groove 1482.Connecting member 162B is such as
Engaging with framework 160 with welding, guided member 166B is fixed on connecting member 162B by press-in or welding.At linking part
Between bonding station to framework 160 side engagement and the fixed position of guided member 166B of part 162B, it is equipped with installation rotation
Rotary shaft limiting unit 164B of rotating shaft 20B.Welded nut is used for rotary shaft limiting unit 164B.
As shown in Fig. 6, Fig. 7, Figure 10~Figure 12, rotary shaft 20A be arranged on the rotary shaft hole 1480 of guide member 148A with
And it is fixed with rotary shaft limiting unit 164A of the connecting member 162A of guided member 166A.Rotary shaft 20A uses band shoulder herein
Bolt.Between rotary shaft 20A and guide member 148A, be folded with packing ring 22A, at rotary shaft 20A and guide member 148A and
Separator 18A it is folded with between connecting member 162A.Wave washer is such as used for packing ring 22A.Separator 18A is used
Resin-made separator, connecting member 162A is supported as rotatable centered by rotary shaft 20A by separator 18A.
On the other hand, at the rotary shaft hole 1480 of guide member 148B and be fixed with the linking part of guided member 166B
Rotary shaft limiting unit 164B of part 162B is provided with rotary shaft 20B.Rotary shaft 20B uses shouldered tap bolt as rotary shaft 20A.
Packing ring 22B it is folded with, in rotary shaft 20B and guide member 148B and link between rotary shaft 20B and guide member 148B
Separator 18B it is folded with between parts 162B.The parts identical with packing ring 22A are used, for separator respectively for packing ring 22B
18B uses the parts identical with separator 18A.
As shown in figure 13, the extended head rest stays 14 in direction on the downside of seat of headrest 10, it is inserted into and is disposed in car
With the support 32 in the chair back of seat 30.Head rest stays 14 is supported as sliding axially freely along it by support 32, and
The height of the seat above-below direction of incompatible regulation headrest 10 with the groove card of height adjusting part 142.If head rest stays 14 is inserted
Support 32, then be installed on headrest 10 on the upside of the chair back.
The effect of embodiment
It follows that the headrest 10 of present embodiment and be provided with this headrest 10 vehicle seat used 30 effect as follows.
When shown in Fig. 1 and Fig. 2, such as when generally using, in the headrest 10 of present embodiment, headrest
The head of pad 16 supporting passenger H.The state of headrest bolster 16 now, in fig. 13, mark reference 16 also uses dotted line to show
Go out contour shape.Headrest bolster 16 is supported by the back support portion 12C of headrest maintaining part 12 on rear side of seat.
As shown in figure 11, in being disposed in the upset holding member of inside of headrest maintaining part 12, guided member 166A
And the position 1482D of the bottom of the guiding groove 1482 of 166B and guide member 148A and 148B connects.Headrest bolster 16 is such as
Upper described, back support portion 12C support on rear side of seat, guiding groove 1482 limit guided member 166A's and 166B
Slide, thus without producing motion on rear side of seat further.It addition, the size in the seat width direction of headrest bolster 16, phase
It is made to bigger for the interval between the sidepiece support 12A and sidepiece support 12B of headrest maintaining part 12.Therefore,
Headrest bolster 16 is embedded between (press-in) sidepiece support 12A and sidepiece support 12B, thus headrest bolster 16 will not unintentionally from
Headrest maintaining part 12 moves.
Herein, when shown in Fig. 3~Fig. 5, such as when passenger requires comfortableness, passenger H by headrest bolster 16 from
Headrest maintaining part 12 is pulled down.When passenger requires preferably to be needed comfortableness when non-traveling by driver, loosened during comfortableness
Look like and use.It addition, when passenger requires comfortableness be by the passenger in addition to driver no matter when vehicle travels, also
Be be desirable that comfortableness during non-traveling, meaning when loosening and use.The upset holding member that headrest 10 is possessed, will headrest
Pad 16 supporting is for can overturn relative to headrest maintaining part 12 on the downside of the seat in chair back front, and is maintained at by headrest bolster 16 and turns over
The position turned.Rotary movement refers to, along the guiding groove 1482 of guide member 148A and 148B shown in Figure 11, makes directed
Parts 166A and 166B slides into the position 1482U of the top from the position 1482D of bottom.If guided member 166A with
And 166B connects with the position 1482U of the top of guiding groove 1482, then limit the slip of guided member 166A and 166B,
From without producing further to the rotary movement on the downside of seat.It addition, chimeric location on the upside of the seat of the headrest bolster 16 of upset
Recess on the downside of the seat of the 3rd appearance face 12D of headrest maintaining part 12, therefore headrest bolster 16 will not produce further to seat
Rotary movement on the downside of chair.
Therefore, when generally using, it is possible to utilize headrest bolster 16 and headrest maintaining part 12 to fetter passenger H on rear side of seat
Head suppress or prevent the hypsokinesis of head.It addition, when passenger needs, it is possible to make headrest bolster 16 from headrest maintaining part 12 to
Overturn and be held in this position on the downside of at least seat in chair back front, such as make headrest bolster 16 be folded in the cervical region of passenger H with
Between the chair back.Position after utilizing upset holding member that headrest bolster 16 is held in upset, even if therefore passenger H leans on, headrest
Pad 16 also will not be kept out of the way on rear side of the chair back.It addition, can overturn relative to headrest maintaining part 12 by upset holding member, because of
This can make headrest bolster 16 upset mobile to than the lower position on the downside of chair back upper surface seat chair.
Therefore, according to the headrest 10 of present embodiment, it is possible to increase occupant protection performance, and can be when passenger needs
Improve comfortableness.
It addition, in the headrest 10 of present embodiment, headrest bolster 16 is made at first of the head simultaneously with supporting passenger H
Shape face 16A, and there is the second appearance face 16B of the cervical region of supporting passenger H at another side.Wherein, headrest maintaining part 12 so that
First appearance face 16A is towards the mode holding head bolster 16 in chair back front.It addition, upset holding member is so that the second appearance face
16B towards the mode in chair back front, headrest bolster 16 is held in upset after position.Therefore when generally using, at headrest bolster 16
The first appearance face 16A, it is possible to be suitable for the head of state support passenger H when generally using.Additionally, when passenger needs,
Second appearance face 16B just can be configured on front side of seat by only invertible head bolster 16 such that it is able to is suitable for comfortableness, loosens
The cervical region of state support passenger H.
It addition, in the headrest 10 of present embodiment, upset holding member possesses: rotary shaft 20A and 20B, guide portion
Part 148A and 148B, guided member 166A and 166B.Wherein, headrest bolster 16 is supported as phase by rotary shaft 20A and 20B
Rotatable for headrest maintaining part 12.Guide member 148A and 148B is disposed in headrest maintaining part 12, has guiding groove
1482.This guiding groove 1482 is extended to making this headrest from the position 1482D that headrest bolster 16 is supported on headrest maintaining part 12
Pad 16 overturns on the downside of the seat in chair back front and carries out the position 1482U kept.Guided member 166A and 166B arranges
In headrest bolster 16 and directed along guiding groove 1482.Therefore when generally using, it is possible to utilize guide member 148A, 148B
Guiding groove 1482 and guided member 166A, 166B, headrest maintaining part 12 holding head bolster 16, therefore, it is possible to utilize head
Bolster 16 and headrest maintaining part 12 fetter the head of passenger H on rear side of seat and suppress or prevent the hypsokinesis of head.It addition,
When passenger needs, it is possible to utilize guiding groove 1482 and guided member 166A, 166B of guide member 148A, 148B, make head
Bolster 16 overturns on the downside of the seat in chair back front and keeps, therefore, it is possible to use headrest bolster 16 such as to support passenger H's
Cervical region.
It addition, in the headrest 10 of present embodiment, possess the two sides of covering headrest bolster 16 in headrest maintaining part 12
Sidepiece support 12A and 12B.Wherein, the position after upset, sidepiece support 12A and 12B is than the top of headrest bolster 16
Seat on front side of surface prominent on front side of seat.If therefore making headrest bolster 16 overturn and keep, then at headrest bolster 16
Both sides form ratio sidepiece support 12A and 12B prominent on front side of the two of headrest bolster 16 lateral seats, therefore, it is possible to need passenger
Will time support the head both sides of passenger H.Additionally, operated by once inside out, it is possible to make sidepiece support 12A and 12B to
Highlight on front side of seat, therefore, it is possible to improve operability.
Additionally, in the headrest 10 of present embodiment, headrest maintaining part 12 and the head rest stays 14 of headrest 10 are formed as one
Body, and it is formed with height adjusting part 142 at head rest stays 14.It is disposed in the support 32 of the chair back, head rest stays 14 is supported
For sliding axially freely, and be formed as to block the height of incompatible regulation head rest stays 14 with height adjusting part 142.Its
In, at headrest 10, make headrest bolster 16 and can carry out to upset to the under-seat in chair back front relative to headrest maintaining part 12
Keep.Therefore when making headrest bolster 16 overturn and keep, head rest stays 14 slides at support 32, support 32
Engage with the height adjusting part 142 of head rest stays 14, it is possible to carry out on a large scale altitude mixture control.Therefore, it is possible to obtain energy
Enough improve occupant protection performance, and the headrest 10 that can improve comfortableness when passenger needs is installed on the automobile seat of the chair back
Chair 30.
Variation
In the headrest 10 and vehicle seat used 30 of above-mentioned embodiment, it is also possible to guided member is disposed in headrest
The inside of maintaining part 12, is disposed in the inside of headrest bolster 16 by the guide member with guiding groove.
Description of reference numerals: 10 ... headrest;12 ... headrest maintaining part;12A, 12B ... sidepiece support;12C ... back is propped up
Bearing portion;12D ... the 3rd appearance face;14 ... head rest stays;148A, 148B ... guide member;1482 ... guiding groove;1482D、
1482U ... position;142 ... height adjusting part;16 ... headrest bolster;16A ... the first appearance face;16B ... the second appearance face;166A、
166B ... guided member;20A, 20B ... rotary shaft;30 ... vehicle seat used;32 ... support.
Claims (8)
1. a headrest, possesses:
Headrest bolster, the head of its supporting passenger;
Headrest maintaining part, it supports described headrest bolster on rear side of seat;And
Upset holding member, the supporting of described headrest bolster is can be to the seat in chair back front relative to described headrest maintaining part by it
Downside upset, and described headrest bolster is held in the position after upset,
This headrest is characterised by,
One side at described headrest bolster have supporting head of passenger the first appearance face, described headrest bolster with described one side phase
To another side have supporting passenger's cervical region the second appearance face,
Described headrest maintaining part makes described first appearance facing to chair back front to keep described headrest bolster,
After described upset holding member makes described second appearance, facing to chair back front, described headrest bolster are held in upset
Position.
Headrest the most according to claim 1, wherein,
Described headrest maintaining part has the 3rd appearance face, is respectively provided with recessed on the downside of the 3rd side on the seat, appearance face and seat
Portion, descends the central part in direction to have protuberance on the seat, and then is formed as the shape contrary with described second appearance face.
Headrest the most according to claim 2, wherein,
Described 3rd appearance face is formed as: during position after described headrest bolster is held in upset, described first appearance face
Shape chimeric with the described recess on the downside of seat on the upside of seat.
Headrest the most according to claim 1, wherein,
Described upset holding member possesses:
Rotary shaft, the supporting of described headrest bolster is the rotation on the downside of the seat in chair back front relative to described headrest maintaining part by it
Freely;
Guide member, it is disposed in described headrest maintaining part and any one party of described headrest bolster, and has guiding groove, and this draws
Guide groove is extended to making described headrest bolster be turned to the chair back from the position that described headrest bolster is supported on described headrest maintaining part
On the downside of the seat in front and carry out the position kept;And
Guided member, it is disposed in any the opposing party of described headrest maintaining part and described headrest bolster, and draws along described
Guide groove is directed.
Headrest the most according to claim 4, wherein,
Described guide member is made up of plate-shaped member,
Described guiding groove by centered by described rotary shaft and there is the elongated hole of fixing radius constituted,
Described guided member is made up of the pin parts slided along described guiding groove.
Headrest the most according to claim 5, wherein,
It is supported on the position of described headrest maintaining part to making described headrest bolster overturn and carrying out the position kept from making described headrest bolster
Only being set to, described guiding groove gives the anglec of rotation of substantially 180 degree to described headrest bolster.
Headrest the most according to claim 1, wherein,
Described headrest maintaining part possesses sidepiece support, and this sidepiece support covers the two of the seat width direction of described headrest bolster
Surface on front side of side, and the seat on the top comparing the described headrest bolster of the position after being in upset is prominent on front side of seat.
8. one kind vehicle seat used, be also equipped with:
Headrest described in claim 1;
Head rest stays, it forms as one with described headrest maintaining part, and has height adjusting part;And
Support, it is disposed in the chair back, by the supporting of described head rest stays for sliding axially freely along described head rest stays, and energy
Enough height with the described height adjusting part card described head rest stays of incompatible regulation.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011289611A JP5827894B2 (en) | 2011-12-28 | 2011-12-28 | Headrest and vehicle seat |
JP2011-289611 | 2011-12-28 | ||
PCT/JP2012/079032 WO2013099450A1 (en) | 2011-12-28 | 2012-11-08 | Headrest and vehicle seat |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103997935A CN103997935A (en) | 2014-08-20 |
CN103997935B true CN103997935B (en) | 2016-12-07 |
Family
ID=48696950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280062695.5A Expired - Fee Related CN103997935B (en) | 2011-12-28 | 2012-11-08 | Rest the head on and vehicle seat used |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5827894B2 (en) |
CN (1) | CN103997935B (en) |
WO (1) | WO2013099450A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5872376B2 (en) * | 2012-05-07 | 2016-03-01 | 日本発條株式会社 | Headrest and vehicle seat |
DE102014209888A1 (en) * | 2014-05-23 | 2015-11-26 | Ford Global Technologies, Llc | Headrest for a vehicle seat |
CN106608211A (en) * | 2015-10-22 | 2017-05-03 | 株式会社本田阿克塞斯 | Vehicle seat frame and method for manufacturing vehicle seat |
WO2019066742A2 (en) * | 2016-12-20 | 2019-04-04 | Durak Aysegul | Seat headrest |
JP6819620B2 (en) * | 2018-01-23 | 2021-01-27 | トヨタ自動車株式会社 | Vehicle seats and vehicles |
JP7024481B2 (en) * | 2018-02-14 | 2022-02-24 | トヨタ自動車株式会社 | Vehicle seat |
JP2022093052A (en) * | 2020-12-11 | 2022-06-23 | 日本発條株式会社 | Vehicular seat, headrest, and head support member |
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US6394544B1 (en) * | 1999-07-08 | 2002-05-28 | Centre D'etude Et De Recherche Pour L'automobile (Cera) | Convertible head support |
CN1672980A (en) * | 2004-03-23 | 2005-09-28 | 马自达汽车株式会社 | Vehicle seat with attached headrest |
CN101778738A (en) * | 2007-06-15 | 2010-07-14 | 空中客车运营简易股份公司 | The multimodal headrest of vehicle seat |
CN101932474A (en) * | 2008-01-30 | 2010-12-29 | 株式会社宇宝技术 | A headrest for vehicles |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1200626A (en) * | 1967-11-11 | 1970-07-29 | Lewis Albert Caldecott | Headrest |
JPH09224776A (en) * | 1996-02-20 | 1997-09-02 | Inoac Corp | Head rest on rear seat |
US20010040401A1 (en) * | 2000-05-02 | 2001-11-15 | Chang-San Lin | Pillow device |
JP4523853B2 (en) * | 2005-02-18 | 2010-08-11 | 株式会社東洋シート | Vehicle seat with headrest and vehicle equipped with the same |
-
2011
- 2011-12-28 JP JP2011289611A patent/JP5827894B2/en not_active Expired - Fee Related
-
2012
- 2012-11-08 CN CN201280062695.5A patent/CN103997935B/en not_active Expired - Fee Related
- 2012-11-08 WO PCT/JP2012/079032 patent/WO2013099450A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6394544B1 (en) * | 1999-07-08 | 2002-05-28 | Centre D'etude Et De Recherche Pour L'automobile (Cera) | Convertible head support |
CN1672980A (en) * | 2004-03-23 | 2005-09-28 | 马自达汽车株式会社 | Vehicle seat with attached headrest |
CN101778738A (en) * | 2007-06-15 | 2010-07-14 | 空中客车运营简易股份公司 | The multimodal headrest of vehicle seat |
CN101932474A (en) * | 2008-01-30 | 2010-12-29 | 株式会社宇宝技术 | A headrest for vehicles |
Also Published As
Publication number | Publication date |
---|---|
JP5827894B2 (en) | 2015-12-02 |
CN103997935A (en) | 2014-08-20 |
WO2013099450A1 (en) | 2013-07-04 |
JP2013138698A (en) | 2013-07-18 |
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