CN109835227A - Headrest, vehicle seat and the vehicle of vehicle seat - Google Patents
Headrest, vehicle seat and the vehicle of vehicle seat Download PDFInfo
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- CN109835227A CN109835227A CN201711191265.4A CN201711191265A CN109835227A CN 109835227 A CN109835227 A CN 109835227A CN 201711191265 A CN201711191265 A CN 201711191265A CN 109835227 A CN109835227 A CN 109835227A
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Abstract
The present invention provides a kind of headrest of vehicle seat, vehicle seat and vehicles; the headrest of the vehicle seat includes preceding headrest and rear headrest; and for the safety device moved between normal use position and protective position of resting the head on before controlling; safety device includes locking piece; it can be moved between locked and unlocked positions, so that preceding headrest moves between normal use position and protective position；Spring arrangement, towards unlocked position bias locking piece；And unlocking mechanism, in it rests the head on after being arranged in and including the first lever, the second lever and collision trigger element, in the normal running state of the vehicle, first lever is engaged with locking piece, and abuts and carry out the interaction of power with the second lever, and locking piece is maintained at latched position, and when vehicle is by rear impacts, collision trigger element abuts the second lever with the disengaging of the first lever, is disengaged the first lever with locking piece, and locking piece is discharged from latched position.
Description
Technical field
The present invention relates to a kind of safety device fields of vehicle.In particular it relates to a kind of headrest of vehicle seat,
It includes safety device, which can provide protection to the passenger on vehicle seat when rear impacts occur for vehicle.
The invention further relates to the vehicle seat including above-mentioned headrest and the vehicles including above-mentioned vehicle seat.
Background technique
When vehicle is by rear impacts, the passenger on vehicle seat would generally accelerate rearwardly towards seat.At this point, if
The distance between headrest of the head of passenger and vehicle seat is too big, will lead to the whiplash injury of passenger.In order to keep away
Exempt from this damage, headrest should be arranged to the head as close as possible to passenger.But under the normally travel state of vehicle, headrest
The comfort level of seat can be reduced too close to the head of passenger.In some high-end luxurious vehicles, peace is set in vehicle seat
Full device makes headrest to vehicle front inclination or movement, between reduction and head of passenger when vehicle is by rear impacts
Distance, to reduce the probability of whiplash injury.
There are various active headrest restraint systems on the market, for protecting the head of passenger when vehicle is by rear impacts
And cervical vertebra.For example,The active head restraint system of Johnson Controls when vehicle is by rear impacts,
It is moved by the front of the rotate driving active head restraint system of more intermediate annular structure to vehicle front, wherein more intermediate annular knot
The rotation of structure is connected in headrest by the actuator trigger positioned at backrest frame lower part, the actuator by arch cable
Mechanism.When vehicle is by rear impacts, actuator is oppressed by passenger's body, to pull the intermediate ring in actuating headrest via arch
Shape mechanism.The power transferring structure of such active headrest restraint system is complicated and has regular hour delay.Further, since this
The trigger mechanism and backrest frame of the active headrest restraint system of sample are integrated, so that active headrest invariably relies on seat and leans on
Back frame frame leads to the high cost of active headrest restraint system.
There is also the active headrest restraint systems driven by pressed gas.Wherein, it is passed when vehicle is by rear impacts
Sensor perceives vehicle and collides, trigger pressurised gasifier, resulting pressed gas make headrest a part to
Vehicle front is mobile.Such system needs to use the electronic equipments such as sensor, is easy to appear mistake and has the regular hour
Delay.
There is also the active headrest restraint systems by inertial mass as collision trigger element.But it is many existing
System force transferring structure it is complicated, or need inertial mass that there is biggish quality.
Summary of the invention
The present invention is desirable to provide a kind of active headrest restraint system for being able to solve at least part drawbacks described above.Specifically
Ground, it is an object of the present invention to provide a kind of headrests of vehicle seat, can protect and multiply when vehicle is by rear impacts
The head of visitor and neck, the headrest have simple power transferring structure.It is a further object to provide a kind of vehicle seats
The headrest of chair, the headrest is using inertial mass as collision trigger element, and wherein the quality of inertial mass can be set into
Very little advantageously reduces the overall quality of vehicle.
According to an aspect of the invention, there is provided a kind of headrest of vehicle seat, the headrest includes preceding headrest with after
Headrest, it is described after headrest fixed relative to the vehicle seat along vehicle front-rear direction, and it is described before headrest can be relative to
Between the protective position rested the head in normal use position and compared with the normal use position closer to vehicle front after described
Mobile, the headrest further includes safety device, and the safety device is for controlling the preceding headrest in the normal use position
It is moved between the protective position, the safety device includes: locking piece, can be between locked and unlocked positions
It is mobile, so that headrest moves between the normal use position and the protective position before described；Spring arrangement, direction
Locking piece described in the unlocked position bias；And unlocking mechanism, it is arranged in the rear headrest, and including the first thick stick
Bar, the second lever and collision trigger element, wherein in the normal running state of the vehicle, first lever and the locking piece
Engagement, and abutted with second lever and carry out the interaction of power, the locking piece is maintained at latched position, with
And when vehicle is by rear impacts, the collision trigger element abuts second lever with first lever disengaging,
It is disengaged first lever with the locking piece, the locking piece is discharged from the latched position.
According to an embodiment of the invention, wherein first lever is rotatably fixed to the rear headrest, and structure
Cause in the normal running state of the vehicle one end engaged with the locking piece, the other end abuts with second lever and carries out power
Interaction, the locking piece is maintained at the latched position.
According to an embodiment of the invention, wherein the locking piece is provided with fit structure, and the institute of first lever
One end is stated to engage and being clamped with the fit structure with the locking piece.
According to an embodiment of the invention, wherein second lever is rotatably fixed to the rear headrest, and structure
Cause in the normal running state of the vehicle one end the interaction of power is abutted and carried out with the other end of first lever,
The locking piece to be maintained at the latched position.
According to an embodiment of the invention, wherein the other end of first lever is provided with notch section, and described
Described one end of second lever be arranged jagged auxiliary section, first lever and second lever by the notch section and
The cooperation of the notch auxiliary section and the interaction for mutually abutting and carrying out power.
According to an embodiment of the invention, the headrest further includes stop element, the stop element is in normal vehicle operation
In the state of prevent second lever from rotating towards vehicle front so that second lever and first lever keep supporting
It connects.
According to an embodiment of the invention, wherein the other end of second lever is associated with the collision trigger element.
According to an embodiment of the invention, wherein the collision trigger element is formed as inertial mass and is fixedly attached to
The other end of second lever, wherein the inertial mass is remain stationary under the normally travel state of vehicle, and
And when vehicle is by rear impacts, the inertial mass is mobile to rear of vehicle and drives second lever rotation, from
And abut the other end disengaging of described one end of second lever and first lever, by the locking piece from
The latched position release.
According to an embodiment of the invention, the headrest further includes resetting apparatus, the resetting apparatus is used for described second
Lever is restored to the position abutted with first lever from the position abutted with first lever disengaging.
According to an embodiment of the invention, wherein the resetting apparatus is spring.
According to an embodiment of the invention, the headrest further includes limiting device, the limiting device limits the locking piece
Maximum distance of the unlocked position relative to the latched position.
According to an embodiment of the invention, the headrest further includes support device, the support device is moved in the locking piece
It moves the unlocked position and the locking piece is maintained at the unlocked position later.
According to another aspect of the present invention, a kind of vehicle seat is additionally provided comprising the head of any embodiment as above
Pillow.
According to another aspect of the present invention, a kind of vehicle is additionally provided comprising the vehicle seat of any embodiment as above
Chair.
The headrest of the vehicle seat of embodiment according to the present invention, vehicle seat and vehicle as a result, can vehicle by
The head of protection passenger and neck when to rear impacts, the headrest have simple power transferring structure, in addition, the headrest is using used
Property gauge block is as collision trigger element, and wherein very little can be set into the quality of inertial mass, advantageously reduces vehicle
Overall quality.
Detailed description of the invention
In the following, by being described in conjunction with feature, advantage and technical effect of the attached drawing to exemplary embodiment of the present invention, it is attached
Similar appended drawing reference indicates similar element in figure, in which:
Figure 1A -1B schematically shows the sectional view of the headrest of vehicle according to the invention seat.
Fig. 2A and 2B schematically shows the schematic diagram of the safety device of an exemplary embodiment of the present invention.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.
Figure 1A -1B shows the schematic diagram of the headrest 10 of vehicle according to the invention seat.Headrest 10 is mounted on vehicle seat
At the top of the backrest (not shown) of chair, and including preceding headrest 11 and rear headrest 12, wherein preceding headrest 11 is relative to rear headrest
12 along vehicle front-rear direction be arranged in front.Headrest 12 is fixed relative to the backrest of vehicle seat along vehicle front-rear direction afterwards,
And it is preceding headrest 11 can relative to it is rear headrest 12 along vehicle front-rear direction in normal use position (as shown in Figure 1A) and position
It is moved between protective position (as shown in Figure 1B) in front of normal use position.Under the normally travel state of vehicle, front
Pillow 11 is maintained at normal use position；When vehicle is by rear impacts, before preceding headrest 11 is positioned against vehicle from normal use
Fang Yidong and protective position is reached, closer to the head of the passenger on vehicle seat compared with normal use position.Exist as a result,
When vehicle is by rear impacts, preceding headrest 11 can make the head of passenger stop moving back earlier compared with the body of passenger
It is dynamic.This can reduce the probability that passenger is bent and stretched damage by cervical vertebra transition.
In order to control movement of the preceding headrest 11 between normal use position and protective position, headrest 10 further includes filling safely
13 are set, to be used for above-mentioned control.Fig. 2A and 2B schematically shows the safety device of an exemplary embodiment of the present invention
13 schematic diagram.Safety device 13 includes at least locking piece 21, spring arrangement 22 and unlocking mechanism.Locking piece 21 can lock
Moved between position (as shown in Figure 2 A) and unlocked position (as shown in Figure 2 B) so that preceding headrest 11 in normal use position and
Moved between protective position, wherein unlocked position relative to latched position be in along vehicle in the front-back direction front.Locking piece 21
Be arranged to it is 11 associated with preceding headrest, for example, the front of locking piece 21 can be mutually permanently connected with preceding headrest 11, before drive
Headrest 11 moves between normal use position and protective position.Under the normally travel state of vehicle, locking piece 21 is maintained at
Latched position is to be maintained at normal use position (as shown in figs. la and 2) for preceding headrest 11；When vehicle is by rear impacts,
Locking piece 21 is discharged from latched position and towards unlocked position is moved in front of vehicle, and headrest 11 is moved to before thus driving
Protective position (as shown in figs. ib and 2b).
Spring arrangement 22 is configured to towards unlocked position bias locking piece 21.Spring arrangement 22 can be compressed spring.Tool
Body, one end of compressed spring 22 can be fixed to locking piece 21, and the other end can be fixed to after rest the head on 12.Work as locking piece
21 when being maintained at latched position, and compressed spring 22 is by 12 compression of headrest after.When locking piece 21 is discharged from latched position
When, the elastic force of compressed spring 22 pushes locking piece 21 to the front of vehicle and pushes it to unlocked position.In exemplary reality
It applies in example, safety device 13 can also include fixing piece 24, after being fixedly mounted in headrest 12.In this embodiment, it compresses
One end of spring 22 can rest the head on 12 after being fixed to by being fixed to fixing piece 24.Also, locking piece 21 is with can be along vehicle
The mode of front-rear direction relative movement be installed on fixing piece 24, and when being discharged from latched position, relative to fixation
Part 24 is mobile towards vehicle front.
In the following, will be described in the unlocking mechanism of safety device 13, unlocking mechanism is used to locking piece 21 being maintained at locking
At position, and it is also used to discharge locking piece 21 from latched position.After unlocking mechanism is arranged in headrest 12, and specifically
Including the first lever 31, the second lever 32 and collision trigger element 33.Under the normally travel state of vehicle, the first lever 31 with
Locking piece 21 engages, and abuts and carry out with it interaction of power with the second lever 32, and locking piece 21 is maintained at lock
Positioning is set；When vehicle is by rear impacts, collision trigger element 33 abuts the second lever 32 with the disengaging of the first lever 31, draws
It plays the first lever 31 to be disengaged with locking piece 21, and locking piece 21 is released from latched position, and in spring arrangement 22
Resilient force is moved to unlocked position.
Specifically, the first lever 31 is configured to rest the head on 12 after being pivotally affixed to.In the exemplary embodiment,
The fulcrum of first lever 31 can be fixed on fixing piece 24, and the first lever 31 can be rotated relative to fixing piece 24.The
One lever 31 is arranged to its first end 311 in the normal running state of the vehicle and engages with locking piece 21, and the second end
312 abut with the second lever 32 and carry out with it interaction of power, and locking piece 21 is maintained at latched position.In example
In property embodiment, fit structure 211, card slot etc. has been can be set in locking piece 21.The first end 311 of first lever 31 can
To be engaged and being clamped with fit structure 211 with locking piece 21.In the state of engaging with locking piece 21, the first lever 31 exists
First end 311 is by the active force (active force is generated by spring arrangement 22) from locking piece 21, the work
Firmly generate clockwise torque M1.Torque M1 tends to rotate the first lever 31 and can cause the first lever 31 and lock
Determine part 21 to be disengaged.In order to overcome torque M1 so that the first lever 31 is remained engaged with locking piece 21, the first lever 31 exists
By the active force from the second lever 32 and being abutted with the second lever 32 at the second end 312, to generate side counterclockwise
To torque M2, and torque M2 be equal to M1.Torque M2 can prevent the first lever 31 as caused by torque M1 as a result,
Rotation, remains engaged with the first lever 31 with locking piece 21, so that locking piece 21 is maintained at latched position.
Second lever 32 is configured to rest the head on 12 after being pivotally affixed to.In the exemplary embodiment, the second thick stick
The fulcrum of bar 32 can be fixed on fixing piece 24, and the second lever 32 can be rotated relative to fixing piece 24.Second lever
32 are configured to abut and carry out with it interaction of power with the first lever 31 under the normally travel state of vehicle, so that will lock
Determine part 21 and is maintained at latched position.Second lever 32 be also arranged in collision trigger element 33 it is associated, after vehicle occurs
When portion is collided, it is disengaged under the action of colliding trigger element 33 with the first lever 31.
Specifically, the second lever 32 is arranged to its first end 321 in the normal running state of the vehicle and the first lever 31
The second end 312 mutually abut and carry out the interaction of power, locking piece 21 is maintained at latched position.As previously mentioned,
Under the normally travel state of vehicle, the second lever 32 applies active force to the second end 312 of the first lever 31, so that first
The first end 311 of lever 31 is remained engaged with the fit structure 211 of locking piece 21, and locking piece 21 is maintained at latched position
Place.For this purpose, will receive the reaction applied by the second end 312 of the first lever 31 at the first end 321 of the second lever 32
Power.Here, the second lever 32 can be set on its first end 321 by from the first lever 31 two different directions
On active force, and two active forces generate contrary torque, and the two torques can cancel out each other.As a result,
Second lever 32 will not due to the first lever 31 reaction force and rotate, but holding torque balance, realize with the first lever
31 interlocking.
Certainly, the second lever 32 is not limited to above-mentioned interlocking setting.According to other embodiments of the invention, due to the first lever
31 reaction forces applied at the first end 321 of the second lever 32, the second lever 32 can rotate, for example, such as Fig. 2A
It is shown, it may occur that rotate counterclockwise.The rotation will lead to the second lever 32 and abut with the disengaging of the first lever 31, and eventually lead to lock
Determine part 21 to be released.In order to prevent the release of above-mentioned rotation and locking piece 21, safety device 13 can also include stop element
34, rotating counterclockwise for the second lever 32 is prevented in the state of normal vehicle operation, prevents the second lever 32 and the first thick stick
Bar 31, which is detached from, to abut.The stop element 34 can be set at the first end 321 or the second end 322 of the second lever 32 or
Be provided about with the reaction force from the first lever 31 reversed torque, so that the second lever 32 be prevented to rotate counterclockwise.
In the above-described embodiments, the second end 312 of the first lever 31 may include notch section 313, and the second lever
32 first end 321 may include the notch auxiliary section 323 to match with notch section 313.First lever 31 and the second lever
32 mutually abut and carry out the interaction of power via the mutual cooperation of notch section 313 and notch auxiliary section 323.
In addition, as previously mentioned, the second lever 32 be also configured to collision trigger element 33 it is associated.Specifically, the second thick stick
It is associated with collision trigger element 33 that its second end 322 can be set into bar 32.Particularly, collision trigger element 33 can be real
It is now inertial mass, which is fixedly attached to the second end 322 of the second lever 32, such as can be suspended on the
On the second end 322 of two levers 32.Under the normally travel state of vehicle, inertial mass 33 is kept essentially stationary that is, not having
There is apparent movement to cause the movement of the second lever 32, such as rotates.In the case where vehicle is by rear impacts, inertia matter
Gauge block 33 can be generated clockwise torque Mg by the inertia force Fg towards rear of vehicle.Inertial mass 33 by
This is mobile towards the rear of vehicle and the second lever 32 is driven to be rotated in the clockwise direction.Second lever 32 thus with the first lever
31 are detached from abutting.In the case where abutting with the disengaging of the second lever 32, the first lever 31 can be under the action of torque M1 along up time
The rotation of needle direction, and be disengaged with locking piece 21, to discharge locking piece 21.
In this way, can realize the locking and release of locking piece by unlocking mechanism as described above, and it is achieved in head
Movement of the preceding headrest of pillow between normal use position and protective position.The power transferring structure of such unlocking mechanism is simple,
Compared with the prior art of power transferring structure complexity, it can reduce manufacturing cost and reduce the probability of failure.
Preferably, the first lever 31 be shaped to the active force that its first end 311 is subject to first arm of force it is far small
In second arm of force of the active force that the second end 312 is subject to.For example, length ratio between first arm of force and second arm of force can be
Between 1:5 to 1:10.In the exemplary embodiment, the first lever 31 can be structured as length as shown in Figure 2 A and 2B
Shape bar, wherein the first arm (311 parts from fulcrum to first end in figure) length be arranged to much smaller than the second arm (from fulcrum to
The second end 312) length.Thus, it is possible to apply lesser active force by the second end 312 to the first lever 31, just
The very big bias force that spring arrangement 22 can be overcome, makes locking piece 21 be maintained at latched position.
Preferably, the shape design of the second lever 32 is remote at first arm of force of the active force being subject at first end 321
Second arm of force less than the inertia force Fg that inertial mass 33 is subject to.For example, the second lever 32 is it is so structured that such as Fig. 2A and 2B
Shown in generally l-shaped bar, wherein first arm of force can apply greatly, and (L1 shown in Fig. 2A is illustratively, to be usually disposed as the to L1
The direction of the active force being subject at one end 321 and bar at very little angle [alpha]) indicate, and second arm of force can be indicated with L2.This
The inertial mass of quality very little can be used in sample, and the second lever rotation is driven when vehicle is by rear impacts, to discharge lock
Determine part.In this way, being conducive to reduce the weight of safety device, thus reduce the weight of entire vehicle.
In addition, safety device 13 can also include resetting apparatus 35, the second lever 32 is detached from from the first lever 31
The position of abutting is restored to the position abutted with the first lever 31.After vehicle is by rear impacts, the second lever 32 is used
It rotates under the drive of property gauge block 33 and is abutted with the disengaging of the first lever 31, to discharge locking piece 21.And resetting apparatus 35 can be with
So that the second lever 32 is automatically reverted to the position abutted against with the first lever 31, convenient in the processing after accident will headrest and
The reset of safety device.Specifically, resetting apparatus 35 can be reset spring.In the exemplary embodiment, reset spring 35
One end can be fixed to fixing piece 24, and the other end can be fixed to 321 side of first end of the second lever 32, to the second lever
32 application active forces rotate the second lever 32 in the counterclockwise direction, to be restored to the position abutted against with the first lever 31.
In a further exemplary embodiment, in the case where the fulcrum of the second lever 32 is embodied as pivotal axis, which can be real
The now torsional spring to be mounted on pivotal axis.
In addition, safety device 13 can also include limiting device, the unlocked position of locking piece 21 is limited relative to locking
The distance of position.For example, limiting device can be pin of the setting between 12 (for example, fixing pieces 24) of locking piece 21 and rear headrest
Cooperate (not shown) with slot.When locking piece 21 is released and is moved to pre-position to vehicle front, limit dress
Set the further movement for preventing locking piece 21.Limiting device can be it may occur to persons skilled in the art that any applicable dress
It sets.
In addition, safety device 13 can also include support device, it will lock after locking piece 21 is moved to unlocked position
Determine part 21 and is maintained at the unlocked position.Due to locking piece 21 unlocked position will receive from head of passenger to after vehicle
The active force of side, locking piece 21 causes to support well and multiplies since the active force is mobile towards rear of vehicle in order to prevent
Objective head is arranged support device for locking piece 21 and is maintained at the unlocked position.Support device can be those skilled in the art's appearance
Any applicable device being readily conceivable that.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (14)
1. a kind of headrest of vehicle seat, the headrest includes preceding headrest and rear headrest, and the rear headrest is relative to the vehicle
Seat is fixed along vehicle front-rear direction, and it is described before headrest can relative to headrest after described normal use position and with institute
Normal use position is stated compared to moving closer between the protective position of vehicle front,
The headrest further includes safety device, the safety device for control it is described before headrest in the normal use position and
It is moved between the protective position, the safety device includes:
Locking piece can move between locked and unlocked positions, so that headrest is in the normal use before described
It is moved between position and the protective position；
Spring arrangement, towards locking piece described in the unlocked position bias；And
Unlocking mechanism is arranged in the rear headrest, and including the first lever, the second lever and collides trigger element,
Wherein, in the normal running state of the vehicle, first lever is engaged with the locking piece, and with second lever
The interaction for abutting and carrying out power, is maintained at latched position for the locking piece, and
When vehicle is by rear impacts, the collision trigger element supports second lever with first lever disengaging
It connects, is disengaged first lever with the locking piece, the locking piece is discharged from the latched position.
2. headrest according to claim 1, wherein
First lever is rotatably fixed to the rear headrest, and is configured to one end in the normal running state of the vehicle
It is engaged with the locking piece, the other end abuts with second lever and carry out the interaction of power, and the locking piece is protected
It holds at the latched position.
3. headrest according to claim 2, wherein
The locking piece is provided with fit structure, and described one end of first lever with the fit structure by being clamped
And it is engaged with the locking piece.
4. headrest according to claim 2, wherein
Second lever is rotatably fixed to the rear headrest, and is configured to one end in the normal running state of the vehicle
It is abutted with the other end of first lever and carries out the interaction of power, the locking piece is maintained at the locking
At position.
5. headrest according to claim 4, wherein
The other end of first lever is provided with notch section, and described one end setting of second lever is jagged
Auxiliary section, first lever and second lever are mutually supported by the cooperation of the notch section and the notch auxiliary section
Connect and carry out the interaction of power.
6. headrest according to claim 4, further includes:
Stop element, the stop element prevent second lever from turning towards vehicle front in the state of normal vehicle operation
It is dynamic, so that second lever is abutted with first lever holding.
7. headrest according to claim 4, wherein
The other end of second lever is associated with the collision trigger element.
8. headrest according to claim 7, wherein
The collision trigger element is formed as inertial mass and is fixedly attached to the other end of second lever,
In
Under the normally travel state of vehicle, the inertial mass is remain stationary, and
When vehicle is by rear impacts, the inertial mass is mobile to rear of vehicle and drives second lever rotation,
To make described one end of second lever abut with the disengaging of the other end of first lever, by the locking piece
It is discharged from the latched position.
9. headrest according to claim 1 to 8, further includes:
Resetting apparatus, the resetting apparatus are used to restore second lever from the position abutted is detached from first lever
To the position abutted with first lever.
10. headrest according to claim 9, wherein
The resetting apparatus is spring.
11. headrest according to claim 1 to 8, further includes:
Limiting device, the limiting device limit the unlocked position of the locking piece relative to the latched position away from
From.
12. headrest according to claim 1 to 8, further includes:
The locking piece is maintained at by support device, the support device after the locking piece is moved to the unlocked position
The unlocked position.
13. a kind of vehicle seat comprising such as the described in any item headrests of claim 1-12.
14. a kind of vehicle, the vehicle includes vehicle seat as claimed in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191265.4A CN109835227B (en) | 2017-11-24 | 2017-11-24 | Headrest of vehicle seat, vehicle seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191265.4A CN109835227B (en) | 2017-11-24 | 2017-11-24 | Headrest of vehicle seat, vehicle seat and vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN109835227A true CN109835227A (en) | 2019-06-04 |
| CN109835227B CN109835227B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711191265.4A Active CN109835227B (en) | 2017-11-24 | 2017-11-24 | Headrest of vehicle seat, vehicle seat and vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717092A (en) * | 2020-06-03 | 2020-09-29 | 北京汽车股份有限公司 | Car seat headrest and car |
| CN112092701A (en) * | 2019-06-18 | 2020-12-18 | 株式会社泰极爱思 | Head rest |
| CN113659696A (en) * | 2020-05-12 | 2021-11-16 | 深圳市海柔创新科技有限公司 | Battery loading and unloading device and method, transfer robot, charging device and power supply system |
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| FR2843343A1 (en) * | 2002-08-12 | 2004-02-13 | Renault Sa | Active head support for vehicle seat comprises rear fixed part connected to seat back and front part able to move frontward, under action of spring, in telescopic guide |
| JP2005145184A (en) * | 2003-11-13 | 2005-06-09 | Nissan Motor Co Ltd | Head rest device for vehicle |
| EP1967413A1 (en) * | 2007-03-08 | 2008-09-10 | Martur Sunger ve Koltuk Tesisleri Ticaret Sanayi A.S. | Headrest unit for a motor-vehicle seat, provided with an anti-whiplash device |
| EP2153871A1 (en) * | 2008-08-05 | 2010-02-17 | Skylotec GmbH | Anti-fall device with speed-dependent clutch |
| CN105492858A (en) * | 2013-09-02 | 2016-04-13 | 约翰逊控股公司 | Headrest for a vehicle seat |
| DE102013014979A1 (en) * | 2013-09-10 | 2014-04-24 | Daimler Ag | Headrest for seat of vehicle, has mechanism coupled with mass element such that inertia force acting on mass element is deflectable, so that cushion carrier is automatically adjustable or positionable towards occupants sitting on seat |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092701A (en) * | 2019-06-18 | 2020-12-18 | 株式会社泰极爱思 | Head rest |
| CN113659696A (en) * | 2020-05-12 | 2021-11-16 | 深圳市海柔创新科技有限公司 | Battery loading and unloading device and method, transfer robot, charging device and power supply system |
| CN111717092A (en) * | 2020-06-03 | 2020-09-29 | 北京汽车股份有限公司 | Car seat headrest and car |
| CN111717092B (en) * | 2020-06-03 | 2021-12-24 | 北京汽车股份有限公司 | Car seat headrest and car |
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| CN109835227B (en) | 2022-04-15 |
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