CN103997935A - Headrest and vehicle seat - Google Patents
Headrest and vehicle seat Download PDFInfo
- Publication number
- CN103997935A CN103997935A CN201280062695.5A CN201280062695A CN103997935A CN 103997935 A CN103997935 A CN 103997935A CN 201280062695 A CN201280062695 A CN 201280062695A CN 103997935 A CN103997935 A CN 103997935A
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- 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.)
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Classifications
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Provided are a headrest and a vehicle seat, which have increased occupant protection performance and which can provide the occupant with improved comfort when required by the occupant. A headrest (10) for a vehicle seat is provided with a headrest pad (16) which supports the head of the occupant, and a headrest holding section (12) which supports the headrest pad (16) from behind the seat. The headrest (10) is provided with an inversion holding member. The inversion holding member is configured so that the headrest pad (16) is supported by the headrest holding section (12) so as to be capable of being inverted on the front face side of the seat back toward the lower side of the seat, and the inversion holding member holds the headrest pad (16) at the inverted position.
Description
Technical field
The present invention relates to headrest and the vehicle seat used of this headrest is installed.
Background technology
The vehicle seat used of band headrest disclosed in following patent documentation 1 and following patent documentation 2.This vehicle seat used headrest possesses: headrest main body, and it is disposed in the upside of the chair back the head from rear supporting passenger; With neck support portion, it is from rear supporting passenger's neck.Transverse axis extends and arranges along seat width direction in headrest main body, is formed with the end arranging to upside extension extends setting unit in the seat width direction end of neck support portion.Setting unit is extended in end can be supported on transverse axis by rotary axis of earth, and neck support portion can be centered by this transverse axis and extend setting unit with end and rotate integratedly.
Above-mentioned headrest is in the time conventionally using, and constraint passenger's head improves occupant protection performance.In addition, above-mentioned headrest makes neck support portion rotate to support passenger's neck to seat front side as required, improves thus passenger's comfortableness.
Patent documentation 1: the four No. 523853 communique of Japan Patent
Patent documentation 2: the four No. 647331 communique of Japan Patent
In above-mentioned patent documentation 1 and the disclosed band of patent documentation 2 headrest vehicle seat used, be formed as structure that neck support portion is rotated from from seat rear side to seat front side, in the time that passenger leans on, neck support portion can turn back to seat rear side.Therefore be difficult to use neck support portion to support exactly passenger's neck, thereby be difficult to obtain enough comfortablenesses.
In addition, in above-mentioned band headrest vehicle seat used, be formed as making the structure of neck support portion to the rotation of seat front side between the headrest end portion of main body and the upper end of the chair back.Can make neck support portion to than the top side shifting of the chair back.But, cannot make neck support portion to side shifting under the positive seat of the chair back.Therefore there is restriction in the scope of activities of neck support portion, is therefore difficult to obtain enough comfortablenesses.
Summary of the invention
The present invention considers above-mentioned actual conditions, and object is to provide one can improve occupant protection performance, and can in the time that passenger needs, improve the headrest of comfortableness.
In addition, the object of the invention is to obtain above-mentioned headrest to be installed on the vehicle seat used of the chair back.
The headrest of the first embodiment of the present invention possesses: headrest bolster, its supporting passenger's head; Headrest maintaining part, it is from seat rear side supporting head bolster; And upset holding member, it is can overturn to the seat downside in chair back front with respect to headrest maintaining part by headrest bolster supporting, and headrest bolster is held in to the position after upset.
In the headrest of the first embodiment, headrest bolster supporting passenger's head, supports this headrest bolster from seat rear side utilization headrest maintaining part.Wherein, upset holding member is can and headrest bolster be held in to the position after upset to the seat downside upset in chair back front with respect to headrest maintaining part by headrest bolster supporting.Therefore in the time conventionally using, can utilize headrest bolster and headrest maintaining part to suppress or prevent the hypsokinesis of head from seat rear side constraint passenger's head.In addition, in the time that passenger needs, what can make that headrest bolster is turned to chair back front from headrest maintaining part is at least seat downside and is held in this position, for example, make headrest bolster be folded between passenger's neck and the chair back.Utilize upset holding member that headrest bolster is held in to the position after upset, even if therefore passenger leans on, headrest bolster also can not kept out of the way to chair back rear side.In addition, owing to can, with respect to the upset of headrest maintaining part, therefore can making headrest bolster overturn and move to than the lower position of chair back upper surface seat chair downside by upset holding member.
The headrest of the second embodiment of the present invention, on the basis of the headrest of the first embodiment, it is characterized in that, there is the first appearance face of supporting head of passenger in the one side of headrest bolster, there is the second appearance face of supporting passenger neck at the another side relative with one side of headrest bolster, headrest maintaining part makes the first appearance carry out holding head bolster facing to chair back front, and upset holding member makes the second appearance, facing to chair back front, headrest bolster is held in to the position after upset.
In the headrest of the second embodiment, headrest bolster has the first appearance face of supporting passenger's head in one side, and has the second appearance face of supporting passenger's neck at another side.Wherein, headrest maintaining part makes the first appearance carry out holding head bolster facing to chair back front.In addition, upset holding member makes the second appearance, facing to chair back front, headrest bolster is held in to the position after upset.Therefore in the time conventionally using, can be at the first appearance surface bearing passenger's of headrest bolster head, and in the time that passenger needs, only headrest bolster upset just can be disposed to seat front side by the second appearance face and support passenger's neck.
The headrest of the 3rd embodiment of the present invention, on the basis of the headrest of the first embodiment or the second embodiment, it is characterized in that, upset holding member possesses: rotating shaft, and it is can be to sideway swivel under the seat in chair back front with respect to headrest maintaining part by headrest bolster supporting; Guide member, any one party that it is disposed in headrest maintaining part and headrest bolster, the guiding groove arranging to the position that makes headrest bolster be turned to the seat downside in chair back front and to keep is extended in the position having from headrest bolster being supported on to headrest maintaining part; Guided member, it is disposed in any the opposing party of headrest maintaining part and headrest bolster, directed along guiding groove.
In the headrest of the 3rd embodiment, upset holding member possesses: rotating shaft, guide member and guided member.Wherein, rotating shaft is to rotate freely with respect to headrest maintaining part by headrest bolster supporting.Guide member is disposed in any one party of headrest maintaining part and headrest bolster, and has guiding groove.This guiding groove extends setting to making this headrest bolster be turned to the seat downside in chair back front the position keeping from headrest bolster being supported on to the position of headrest maintaining part.Guided member is disposed in any the opposing party of headrest maintaining part and headrest bolster, directed along guiding groove.Therefore in the time conventionally using, can utilize guiding groove and the guided member of guide member, at headrest maintaining part holding head bolster, therefore can utilize headrest bolster and headrest maintaining part to suppress or prevent the hypsokinesis of head from seat rear side constraint passenger's head.In addition, in the time that passenger needs, can utilize guiding groove and the guided member of guide member, make headrest bolster overturn and keep to the seat downside in chair back front, therefore for example can support with headrest bolster passenger's neck.
The headrest of the 4th embodiment of the present invention, on the basis of any one headrest of the first embodiment～three embodiment, it is characterized in that, headrest maintaining part possesses sidepiece support, this sidepiece support covers the two sides of the seat width direction of headrest bolster, and than the surface of the seat front side on the top of the headrest bolster of position after overturning to side-prominent before seat.
In the headrest of the 4th embodiment, possesses the sidepiece support of the two sides that cover headrest bolster in headrest maintaining part.Wherein, the surface of the seat front side on the top of the headrest bolster of the position after the upset of sidepiece support ratio is to side-prominent before seat.If therefore make headrest bolster overturn and keep, side-prominent sidepiece support before the both sides of headrest bolster are formed with than two side direction seats of headrest bolster, the both sides that therefore can support passenger's head in the time that passenger needs.
The 5th the vehicle seat used of embodiment of the present invention possesses: any one headrest of the first embodiment～four embodiment; Headrest pillar, it forms as one with headrest maintaining part, and has height adjusting portion; Support, it is disposed in the chair back, is sliding axially freely of edge headrest pillar supporting, and can engages with height adjusting portion the height that carrys out adjusting head occipital branches post by headrest pillar supporting.
In the 5th embodiment vehicle seat used, can obtain the effect identical with the effect obtaining by any one headrest of the first embodiment～four embodiment.In addition, the headrest maintaining part of headrest becomes one with headrest support column type, and is formed with height adjusting portion at headrest pillar.Be disposed in the support of the chair back, headrest pillar supporting, for sliding axially, and can be engaged with height adjusting portion to the height that carrys out adjusting head occipital branches post.Wherein, in headrest, make headrest bolster can overturn and keep to the under-seat in chair back front with respect to headrest maintaining part.Therefore under the state that headrest bolster is overturn and keep, headrest pillar slides at support, engages with the height adjusting portion of headrest pillar by support, and the height that can carry out on a large scale thus headrest bolster regulates.
According to the present invention, the occupant protection performance that can be improved, and can in the time that passenger needs, improve the headrest of comfortableness.
In addition, according to the present invention, can obtain above-mentioned headrest to be installed on the vehicle seat used of the chair back.
Brief description of the drawings
Fig. 1 is the front view of observing the headrest of embodiments of the present invention from vehicle seat used front side.
Fig. 2 is the side view of observing the headrest shown in Fig. 1 from vehicle seat used left surface.
Fig. 3 observes from vehicle seat used front side the front view that makes the state after headrest bolster upset the headrest shown in Fig. 1.
Fig. 4 is the side view of observing the headrest shown in Fig. 3 from vehicle seat used left surface.
Fig. 5 is the stereogram of 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 the front view of observing the skeleton of the headrest maintaining part of the headrest shown in Fig. 1 from vehicle seat used front side, (B) be the side view of observing the skeleton of headrest maintaining part from vehicle seat used left surface, (C) be the top view of observing the skeleton of headrest maintaining part above vehicle seat used.
Fig. 9 (A) is the front view of observing the skeleton of the headrest bolster of the headrest shown in Fig. 1 from vehicle seat used front side, (B) be from the side view of the skeleton of vehicle seat used left surface viewing head bolster, (C) be the top view of the skeleton of viewing head bolster above vehicle seat used.
Figure 10 observes from vehicle seat used front side the front view that the skeleton of the headrest bolster shown in Fig. 9 is assembled in to the state of the skeleton of the headrest maintaining part shown in Fig. 8.
Figure 11 is the major part amplification stereogram of observing the upset holding member of the headrest shown in Figure 10 from vehicle seat used left forward side.
Figure 12 is the major part amplification stereogram of observing the upset holding member of the headrest shown in Figure 10 from vehicle seat used right forward side.
Figure 13 is the diagrammatic side view of observing the use state of the headrest shown in Fig. 1～Figure 12 from vehicle seat used left surface.
Detailed description of the invention
Below, with reference to Fig. 1～Figure 13, the headrest to embodiments of the present invention and vehicle seat used describing.In addition, in each figure, the suitable arrow FR illustrating, arrow UP, arrow W, represent respectively vehicle seat used front, top, width.In addition, in the present embodiment, vehicle seat used front, top, width, roughly consistent with the front, top, the width that are equipped with vehicle seat used vehicle respectively.
Vehicle seat used structure
It is indoor that vehicle seat used 30 of present embodiment shown in Figure 13 is installed on car.Vehicle seat used 30 can be both that driver's seat can be also front passenger's seat, and both can front also can be rear.In addition, vehicle seat used 30 can be both can carry out the chair back angle adjustment movable, also can be angle adjustment fixed that can not carry out the chair back.Vehicle seat used 30 possess: the chair cushion (omitting diagram) of taking one's seat for passenger is connected and supplies the chair back (part for diagram upside) that passenger leans on to seat rear side with the seat rear side of chair cushion.At 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, headrest pillar 14 and upset holding member.
Headrest bolster 16 is the mats that extend the pillow arranging along seat width direction W.As shown in Figure 1, Figure 2 and shown in Fig. 6, Fig. 7, headrest bolster 16 has the first appearance face 16A at one mask, and this first appearance face 16A has the mild curved surface outstanding to seat front and supports passenger's head (back of head).In addition, as shown in Fig. 3～Fig. 7, headrest bolster 16 there is the second appearance face 16B with the opposed another side of the first appearance face 16A, this second appearance face 16B has making the upper direction seat front of headrest bolster 16 and make lower direction seat rear mobile (in Fig. 4 and in Fig. 5 to upset, mobile along the upset of arrow R direction) time, the mild curved surface that below is more outstanding than upper direction seat front, and support passenger's neck.The thickness of the seat fore-and-aft direction at the position of the supporting neck of headrest bolster 16 is formed as thicker than other positions.Headrest bolster 16 is made for respect to independently miscellaneous part of headrest maintaining part 12.
As shown in Fig. 6, Fig. 7, Fig. 9 (A)～Fig. 9 (C) and Figure 10, headrest bolster 16 is by the foaming body with resiliency and the framework 160 of such as polyurethane foam etc. are formed as one, and the surface that utilizes epidermis to cover this foaming body forms.While observation from seat front side to seat rear side, framework 160 is formed by square ring, uses as the skeleton part of headrest bolster 16.As shown in Fig. 6, Fig. 7, Fig. 9 (B), the seat upside of framework 160 roughly vertically extends and arranges, and the seat downside of framework 160 is bending obliquely in mode side-prominent before seat.Although material is not particularly limited, in order easily to carry out machining and to make manufacturing cost cheapness, and framework 160 is used to line or the solid wire rods such as such as iron wire.In addition, framework 160 turns to object and can use aluminum alloy materials, resin material with light-duty.In addition, framework 160 is not limited to solid wire rod, also can use hollow wire rod.Also can use cloth, plastics, leather etc. to epidermis.
As shown in Fig. 1～Fig. 7, headrest maintaining part 12 possesses: the 12C of back support portion, sidepiece support 12A and 12B.The 12C of back support portion arranges as the seat chair rear side at headrest bolster 16 and opposed with the second appearance face 16B or the first appearance face 16A of headrest bolster 16.The 12C of back support portion has the width dimensions slightly longer than the size of the seat width direction W of headrest bolster 16, and has and roughly equal size of the size of the seat above-below direction of headrest bolster 16, covers the more than half of the second appearance face 16B or the first appearance face 16A.The 12C of back support portion is formed by the roughly rectangular shape on each limit with curved surface.
As shown in Fig. 6 and Figure 13, form and have the 3rd appearance face 12D in the seat front side of the 12C of back support portion.The 3rd appearance face 12D on the seat side and seat downside has respectively recess, descends the central portion of direction to have protuberance on the seat.As shown in Figure 13, at the first appearance face 16A of seat front side configured head bolster 16, in the time that seat rear side configures the second appearance face 16B, the 3rd appearance face 12D has the shape contrary with the second appearance face 16B, so be formed as the shape chimeric with this second appearance face 16B.In addition, in the time that the second appearance face 16B of headrest bolster 16 is configured and the first appearance face 16A is configured in to seat rear side to the upset of seat front side, be formed as the recess of the seat downside of the 3rd appearance face 12D, with the seat upside of the first appearance face 16A and the chimeric shape of the ledge of seat rear side.Now, use the 3rd appearance face 12D as headrest bolster 16 with respect to the location division of headrest maintaining part 12.
Observe from being seated at vehicle seat used 30 passenger, sidepiece support 12A arranges as side-prominent from the right-hand member of the 12C of back support portion to seat.Observe from being seated at vehicle seat used 30 passenger, sidepiece support 12B arranges as side-prominent from the left end of the 12C of back support portion to seat.Sidepiece support 12A and 12B cover the two sides of the seat width direction of headrest bolster 16.At the first appearance face 16A taking headrest bolster 16 as seat front side, during taking the second appearance face 16B as seat rear side, the surface of the seat front side of the seat upside of sidepiece support 12A and 12B, than the first appearance face 16A of the seat downside of headrest bolster 16 to side-prominent before seat.
Sidepiece support 12A and 12B are configured to one with the 12C of back support portion in the present embodiment, and headrest maintaining part 12 is made up of the concave shape of opening to seat front side under overlooking.As shown in Fig. 6, Fig. 7, Fig. 8 (A)～Fig. 8 (C) and Figure 10, headrest maintaining part 12 is same with headrest bolster 16, foaming body is formed as one with seat upside, sidepiece scaffold 146A and the 146B of framework 140 of headrest pillar 14, and utilize epidermis to cover the surface of this foaming body and form.Epidermis is used to cloth, plastics, leather etc.
Observe from seat front side to seat rear side, framework 140 is formed as side on the seat and turns back and at the open reverse U shape shape of seat downside, use and supporting headrest 10 as the skeleton part of headrest 10.As mentioned above, the seat upside of framework 140 is integrally formed in the inside of the 12C of back support portion of headrest maintaining part 12, and the downside of framework 140 extends to seat downside from the lower end of the 12C of back support portion.In the present embodiment, observe to seat rear side from downside and the seat front side of framework 140, be equipped with height adjusting portion 142 on right side.Height adjusting portion 142 is by the bearing of trend along framework 140 and form with the multiple grooves that uniformly-spaced configure herein.Framework 140 is used to for example mechanical realization carbon carbon steel tubing, use pipe herein.At the middle body of the seat above-below direction of framework 140 and be equipped with strengthening part 144 in the inside of the 12C of back support portion.Strengthening part 144 will link between two frameworks 140 that turn back and extend abreast to seat downside.To for example use iron wire same with framework 160 of strengthening part 144.
Sidepiece scaffold 146A for example engages with the right side, top 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.The top left-interface of sidepiece scaffold 146B and framework 140.Observe from seat left surface, sidepiece scaffold 146B is formed as C word shape, is integrally formed in the inside of sidepiece support 12B.Counter-lateral quadrents scaffold 146A and 146B for example use iron wire.
Headrest maintaining part 12 possesses the 12C of back support portion, therefore from the second appearance face 16B or the first appearance face 16A of seat rear side supporting head bolster 16.In addition, headrest maintaining part 12 possesses sidepiece support 12A and 12B, therefore supports passenger's head towards inner side from the outside of seat width direction.
The structure of upset maintaining part
As shown in Fig. 6～Figure 12, headrest 10 possesses upset holding member, and this upset holding member supports headrest bolster 16 into overturning to the seat downside in chair back front with respect to headrest maintaining part 12, and headrest bolster 16 is remained on to the position after upset.This upset holding member is configured to possesses rotating shaft 20A and 20B, guide member 148A and 148B, guided member 166A and 166B.
The guide member 148A of upset holding member be by sidepiece scaffold 146A in the region that seat fore-and-aft direction and seat above-below direction impale, formed to the plate-shaped member of side-prominent setting before seat by the framework 140 of occipital branches post 14 from the beginning.Guide member 148A is for example used to mechanical realization carbon steel.The seat rear side of this guide member 148A for example engages with framework 140 with welding.Equally, guide member 148B be by sidepiece scaffold 146B in the region that seat fore-and-aft direction and seat above-below direction impale, formed by the plate-shaped member of side-prominent setting from framework 140 to seat.The seat rear side of this guide member 148B engages with framework 140.Guide member 148B is formed by the material identical with guide member 148A.
Be equipped with respectively guiding groove 1482 at guide member 148A and 148B, this guiding groove 1482 by centered by rotating shaft 20A and 20B and the slotted hole with fixing radius form, there is the C word shape of opening to seat front side.Guiding groove 1482 extends setting to the position 1482U that makes headrest bolster 16 overturn and keep to the seat downside in chair back front from headrest bolster 16 being supported on to the position 1482D of headrest maintaining part 12.The anglecs of rotation that are set to roughly 180 degree from position 1482D to position 1482U are poor.
At guide member 148A and 148B, be equipped with in the center of the radius of curvature of guiding groove 1482 and rotating shaft 20A and the chimeric rotary shaft hole 1480 of 20B.Rotary shaft hole 1480 is the through holes that connect guide member 148A and 148B.In addition, in the present embodiment, be formed with at guide member 148A and 148B the insertion road 1484 that is linked to guiding groove 1482 from seat rear side.This insertion road 1484 is for headrest bolster 16 being assembled in to headrest when maintaining part 12, guided member 166A and 166B is packed into the parts of guiding groove 1482.In addition, in assembling midway, in the situation that guiding groove 1482 packs guided member 166A and 166B into, insertion road 1484 is dispensable, therefore also can not arrange.
Observe from being seated at vehicle seat used 30 passenger, guided member 166A is disposed in the seat downside on the right side of the framework 160 of headrest bolster 16.Guided member 166A be and framework 160 between sandwiched the connecting member 162A that bends to crank shape from seat front side in the time that seat rear side is observed is installed, and pin parts that slide along guiding groove 1482.Connecting member 162A for example engages with framework 160 with welding, and guided member 166A is fixed on connecting member 162A by being pressed into or welding.Connecting member 162A between the bonding station of framework 160 side engagement and the fixed position of guided member 166A, be equipped with the rotating shaft limiting unit 164A that rotating shaft 20A is installed.In the present embodiment, use welded nut for rotating shaft limiting unit 164A.
Equally, observe from being seated at vehicle seat used 30 passenger, guided member 166B is disposed in the seat downside in the left side of framework 160.Guided member 166B be and framework 160 between sandwiched the connecting member 162B that bends to crank shape from seat front side in the time that seat rear side is observed is installed, and pin parts that slide along guiding groove 1482.Connecting member 162B for example engages with framework 160 with welding, and guided member 166B is fixed on connecting member 162B by being pressed into or welding.Connecting member 162B between the bonding station of framework 160 side engagement and the fixed position of guided member 166B, be equipped with the rotating shaft limiting unit 164B that rotating shaft 20B is installed.Use welded nut for rotating shaft limiting unit 164B.
As shown in Fig. 6, Fig. 7, Figure 10～Figure 12, rotating shaft 20A is arranged on the rotary shaft hole 1480 of guide member 148A and is fixed with the rotating shaft limiting unit 164A of the connecting member 162A of guided member 166A.Rotating shaft 20A uses shouldered tap bolt herein.Between rotating shaft 20A and guide member 148A, be folded with packing ring 22A, between rotating shaft 20A and guide member 148A and connecting member 162A, be folded with separator 18A.For example use wave washer for packing ring 22A.Use resin separator for separator 18A, separator 18A is to rotate freely centered by rotating shaft 20A by connecting member 162A supporting.
On the other hand, at the rotary shaft hole 1480 of guide member 148B and the rotating shaft limiting unit 164B that is fixed with the connecting member 162B of guided member 166B, rotating shaft 20B is installed.Rotating shaft 20B use shouldered tap bolt same with rotating shaft 20A.Between rotating shaft 20B and guide member 148B, be folded with packing ring 22B, between rotating shaft 20B and guide member 148B and connecting member 162B, be folded with separator 18B.Use the parts identical with packing ring 22A for packing ring 22B respectively, use the parts identical with separator 18A for separator 18B.
As shown in figure 13, the headrest pillar 14 arranging to extension to seat lower side of headrest 10, is inserted into the support 32 in the chair back that is disposed in vehicle seat used 30.Support 32 supports headrest pillar 14 for sliding axially freely along it, and engages the height of the seat above-below direction that regulates headrest 10 with the groove of height adjusting portion 142.If will rest the head on, pillar 14 inserts support 32, headrest 10 is installed on to chair back upside.
The effect of embodiment
Next, the headrest 10 of present embodiment and that vehicle seat used 30 effect of this headrest 10 is installed is as follows.
Under the state shown in Fig. 1 and Fig. 2, for example, in the time conventionally using, in the headrest 10 of present embodiment, headrest bolster 16 supports the head of passenger H.The state of headrest bolster 16 now, in Figure 13, mark Reference numeral 16 also makes to be shown in broken lines contour shape.Headrest bolster 16 supports from the rested the head on 12C of back support portion of maintaining part 12 of seat rear side.
As shown in figure 11, being disposed in the upset holding member of inside of headrest maintaining part 12, the guiding groove 1482 of guided member 166A and 166B and guide member 148A and 148B below position 1482D join.Headrest bolster 16 is described above, carrys out supported seat rear side by the 12C of back support portion, is limited the slip of guided member 166A and 166B by guiding groove 1482, therefore can not produce the further motion to seat rear side.In addition, the size of the seat width direction of headrest bolster 16 is made biggerly for the interval between sidepiece support 12A and the sidepiece support 12B of headrest maintaining part 12.Therefore, headrest bolster 16 is embedded between (being pressed into) sidepiece support 12A and sidepiece support 12B, thereby headrest bolster 16 can not move from headrest maintaining part 12 unintentionally.
Herein, under the state shown in Fig. 3～Fig. 5, for example, in the time that passenger requires comfortableness, passenger H pulls down headrest bolster 16 from headrest maintaining part 12.When passenger requires comfortableness by driver preferably need comfortableness when non-the travelling, the meaning while loosening uses.In addition, in the time that passenger requires comfortableness, be by the passenger except driver when the Vehicle Driving Cycle, also all requirement comfortablenesses when non-travelling, the meaning while loosening are used.The headrest 10 upset holding members that possess, support headrest bolster 16 into overturning to the seat downside in chair back front with respect to headrest maintaining part 12, and headrest bolster 16 are remained on to the position of upset.Rotary movement refers to, along the guiding groove 1482 of the guide member 148A shown in Figure 11 and 148B, makes guided member 166A and 166B slide into the position 1482U of the top from the position 1482D of below.If the position 1482U of the top of guided member 166A and 166B and guiding groove 1482 joins, limit the slip of guided member 166A and 166B, thereby can not produce the further rotary movement to seat downside.In addition, the seat upside of the headrest bolster 16 of upset is chimeric be positioned the to rest the head on recess of seat downside of the 3rd appearance face 12D of maintaining part 12, therefore headrest bolster 16 can not produce the further rotary movement to seat downside.
Therefore,, in the time conventionally using, can utilize headrest bolster 16 and headrest maintaining part 12 to suppress or prevent the hypsokinesis of head from the head of seat rear side constraint passenger H.In addition, in the time that passenger needs, can make headrest bolster 16 from headrest maintaining part 12 to chair back front be at least that seat downside overturns and is held in this position, for example make headrest bolster 16 be folded between the neck and the chair back of passenger H.Utilize upset holding member that headrest bolster 16 is held in to the position after upset, even if therefore passenger H leans on, headrest bolster 16 also can not kept out of the way to chair back rear side.In addition, can overturn with respect to headrest maintaining part 12 by upset holding member, therefore can make headrest bolster 16 upsets move to than the lower position of chair back upper surface seat chair downside.
Therefore, according to the headrest 10 of present embodiment, occupant protection performance can be improved, and comfortableness can be in the time that passenger needs, improved.
In addition, in the headrest 10 of present embodiment, headrest bolster 16 has the first appearance face 16A of the head of supporting passenger H in one side, and has the second appearance face 16B of the neck of supporting passenger H at another side.Wherein, headrest maintaining part 12 so that the first appearance face 16A towards the mode holding head bolster 16 in chair back front.In addition, upset holding member is so that the second appearance face 16B is held in the position after upset towards the mode in chair back front by headrest bolster 16.Therefore in the time conventionally using, at the first appearance face 16A of headrest bolster 16, the head of state support passenger H that can be when being suitable for conventionally using.In addition, in the time that passenger needs, only invertible head bolster 16 just can be disposed at seat front side by the second appearance face 16B, thereby can be with the neck of the state support passenger H that is suitable for comfortableness, loosen.
In addition, in the headrest 10 of present embodiment, upset holding member possesses: rotating shaft 20A and 20B, guide member 148A and 148B, guided member 166A and 166B.Wherein, rotating shaft 20A and 20B support headrest bolster 16 for rotating freely with respect to headrest maintaining part 12.Guide member 148A and 148B are disposed in headrest maintaining part 12, have guiding groove 1482.This guiding groove 1482 extends setting to the position 1482U that makes this headrest bolster 16 overturn and keep to the seat downside in chair back front from headrest bolster 16 being supported on to the position 1482D of headrest maintaining part 12.Guided member 166A and 166B are disposed in headrest bolster 16, and directed along guiding groove 1482.Therefore in the time conventionally using, can utilize guiding groove 1482 and guided member 166A, the 166B of guide member 148A, 148B, at headrest maintaining part 12 holding head bolsters 16, therefore can utilize headrest bolster 16 and headrest maintaining part 12 to suppress or prevent the hypsokinesis of head from the head of seat rear side constraint passenger H.In addition, in the time that passenger needs, can utilize guiding groove 1482 and guided member 166A, the 166B of guide member 148A, 148B, make headrest bolster 16 overturn and keep to the seat downside in chair back front, therefore can use headrest bolster 16 for example to support the neck of passenger H.
In addition, in the headrest 10 of present embodiment, possess sidepiece support 12A and the 12B of the two sides that cover headrest bolster 16 in headrest maintaining part 12.Wherein, the position after upset, sidepiece support 12A and 12B than the surface of the seat front side on the top of headrest bolster 16 to side-prominent before seat.If therefore make headrest bolster 16 overturn and keep, side-prominent sidepiece support 12A and 12B before the both sides of headrest bolster 16 form than two side direction seats of headrest bolster 16, the head both sides that therefore can support passenger H in the time that passenger needs.In addition, operate by once inside out, can make sidepiece support 12A and 12B to side-prominent before seat, therefore can improve operability.
In addition,, in the headrest 10 of present embodiment, the headrest maintaining part 12 of headrest 10 forms as one with headrest pillar 14, and is formed with height adjusting portion 142 at headrest pillar 14.The support 32 that is disposed in the chair back, supports headrest pillar 14 for sliding axially freely, and is formed as engaging with height adjusting portion 142 height that carrys out adjusting head occipital branches post 14.Wherein, at headrest 10, making headrest bolster 16 can be to the under-seat in chair back front to overturning and keeping with respect to resting the head on maintaining part 12.Therefore under the state that headrest bolster 16 is overturn and keep, headrest pillar 14 slides at support 32, and support 32 engages with the height adjusting portion 142 of headrest pillar 14, can carry out on a large scale thus height and regulate.Therefore can obtain improving occupant protection performance, and the headrest 10 that can improve comfortableness in the time that passenger needs is installed on vehicle seat used 30 of the chair back.
Variation
In the headrest 10 and vehicle seat used 30 of above-mentioned embodiment, also guided member can be disposed in to the inside of headrest maintaining part 12, the guide member with guiding groove is disposed in to the inside of headrest bolster 16.
Description of reference numerals: 10 ... headrest; 12 ... headrest maintaining part; 12A, 12B ... sidepiece support; 12C ... back support portion; 12D ... the 3rd appearance face; 14 ... headrest pillar; 148A, 148B ... guide member; 1482 ... guiding groove; 1482D, 1482U ... position; 142 ... height adjusting portion; 16 ... headrest bolster; 16A ... the first appearance face; 16B ... the second appearance face; 166A, 166B ... guided member; 20A, 20B ... rotating shaft; 30 ... vehicle seat used; 32 ... support.
Claims (9)
1. a headrest, possesses:
Headrest bolster, its supporting passenger's head;
Headrest maintaining part, its headrest bolster described in side bearing from seat; And
Upset holding member, it is can overturn to the seat downside in chair back front with respect to described headrest maintaining part by described headrest bolster supporting, and described headrest bolster is held in to the position after upset.
2. headrest according to claim 1, wherein,
There is the first appearance face of supporting head of passenger in the one side of described headrest bolster, there is the second appearance face of supporting passenger neck at the another side relative with described one side of described headrest bolster,
Described headrest maintaining part makes described the first appearance keep described headrest bolster facing to chair back front,
Described upset holding member makes described the second appearance, facing to chair back front, described headrest bolster is held in to the position after upset.
3. headrest according to claim 2, wherein,
Described headrest maintaining part has the 3rd appearance face, and the 3rd appearance face on the seat side and seat downside has respectively recess, descends the central portion of direction to have protuberance on the seat, and then is formed as the shape contrary with described the second appearance face.
4. headrest according to claim 3, wherein,
Described the 3rd appearance face is formed as: in the time that described headrest bolster is held in to the position after upset, and the shape that the seat upside of described the first appearance face and the described recess of seat downside are chimeric.
5. headrest according to claim 1, wherein,
Described upset holding member possesses:
Rotating shaft, its by the supporting of described headrest bolster for respect to described headrest maintaining part to sideway swivel under the seat in chair back front freely;
Guide member, it is disposed in any one party of described headrest maintaining part and described headrest bolster, and thering is guiding groove, this guiding groove extends setting to making described headrest bolster be turned to the seat downside in chair back front the position keeping from described headrest bolster being supported on to the position of described headrest maintaining part; And
Guided member, it is disposed in any the opposing party of described headrest maintaining part and described headrest bolster, and directed along described guiding groove.
6. headrest according to claim 5, wherein,
Described guide member is made up of plate-shaped member,
Described guiding groove by centered by described rotating shaft and the slotted hole with fixing radius form,
Described guided member is made up of the pin parts that slide along described guiding groove.
7. headrest according to claim 6, wherein,
From making described headrest bolster be supported on the position of described headrest maintaining part till the position that makes described headrest bolster overturn and keep, described guiding groove is given the roughly anglecs of rotation of 180 degree to described headrest bolster.
8. headrest according to claim 1, wherein,
Described headrest maintaining part possesses sidepiece support, and this sidepiece support covers the two sides of the seat width direction of described headrest bolster, and than the surface of the seat front side on the top of the described headrest bolster of the position after upset to side-prominent before seat.
One kind vehicle seat used, also possess:
Headrest claimed in claim 1;
Headrest pillar, itself and described headrest maintaining part form as one, and have height adjusting portion; And
Support, it is disposed in the chair back, is along the sliding axially freely of described headrest pillar, and can engages to regulate with described height adjusting portion the height of described headrest pillar by described headrest pillar supporting.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-289611 | 2011-12-28 | ||
| JP2011289611A JP5827894B2 (en) | 2011-12-28 | 2011-12-28 | Headrest and vehicle seat |
| PCT/JP2012/079032 WO2013099450A1 (en) | 2011-12-28 | 2012-11-08 | Headrest and vehicle seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103997935A true CN103997935A (en) | 2014-08-20 |
| CN103997935B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110087942A (en) * | 2016-12-20 | 2019-08-02 | 艾西盖尔·杜拉克 | Chair headrest |
| CN114619933A (en) * | 2020-12-11 | 2022-06-14 | 日本发条株式会社 | Vehicle seat, headrest, and head support member |
Families Citing this family (4)
| 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 |
| 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 |
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| 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 |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (7)
| 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 |
| US6394544B1 (en) * | 1999-07-08 | 2002-05-28 | Centre D'etude Et De Recherche Pour L'automobile (Cera) | Convertible head support |
| US20010040401A1 (en) * | 2000-05-02 | 2001-11-15 | Chang-San Lin | Pillow device |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110087942A (en) * | 2016-12-20 | 2019-08-02 | 艾西盖尔·杜拉克 | Chair headrest |
| CN114619933A (en) * | 2020-12-11 | 2022-06-14 | 日本发条株式会社 | Vehicle seat, headrest, and head support member |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013099450A1 (en) | 2013-07-04 |
| JP2013138698A (en) | 2013-07-18 |
| CN103997935B (en) | 2016-12-07 |
| JP5827894B2 (en) | 2015-12-02 |
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