CN108394328A - A kind of reversible automotive headrest - Google Patents
A kind of reversible automotive headrest Download PDFInfo
- Publication number
- CN108394328A CN108394328A CN201810379426.0A CN201810379426A CN108394328A CN 108394328 A CN108394328 A CN 108394328A CN 201810379426 A CN201810379426 A CN 201810379426A CN 108394328 A CN108394328 A CN 108394328A
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- Prior art keywords
- headrest
- ratchet
- link block
- lock assembly
- strut
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- Pending
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention belongs to technical field of automobile parts, provide a kind of reversible automotive headrest, including：Headrest, inside be formed with installation space；Strut, the upper end are rotationally connected with headrest lower end；Ratchet is fixedly connected on strut；Lock assembly, is rotationally connected with headrest inside, and the activity of lock assembly lower end is connected in the ratchet upper end；Lock set is solved, activity is inserted in the headrest, and solution lock set one end is resisted against the lock assembly upper end；When solving lock set movement, lock assembly can rotate and unlock and rest the head on ratchet and can be overturn around the junction of itself and strut.Compared with prior art, the advantage of the invention is that the structure of the reversible automotive headrest is simple, production cost is low, headrest overturning is convenient, smooth in releasing process, operating handle is good, and the connection relation and relative position between each structure will not easily change, stability is high, and service life is long.
Description
Technical field
The invention belongs to technical field of automobile parts, and in particular to a kind of reversible automotive headrest.
Background technology
The effect of passenger car ordinary headrest is usually to provide support for driver and passenger head, and common heel row headrest does not have front and back
Turn over function, custom that cannot be according to driver and security needs overturn forward headrest, enough to provide driver
Visual-field space.Common heel row headrest cannot overturn headrest when seat fell simultaneously, to provide enough standby box spaces, drop
The comfort and practicability of low headrest.
In the prior art, some the overturning headrest internal structures released in the market are extremely complex so that headrest is fabricated to
This rising is unsuitable to apply on general passenger car, and unlocking structure is more complicated, and unlock is inconvenient, when headrest is overturn repeatedly
Fit structure between each parts is easy to damage, and causes headrest phenomena such as can not overturning.
Invention content
The technical problem to be solved by the present invention is to the present situations for the prior art, and provide a kind of reversible vehicle head
Pillow.
Technical solution is used by the present invention solves above-mentioned technical problem：It proposes a kind of reversible automotive headrest, wraps
It includes：Headrest, inside be formed with installation space；
Strut, the upper end are rotationally connected with the headrest lower end；
Ratchet is fixedly connected on the strut；
Lock assembly is rotationally connected with inside the headrest, and lock assembly lower end activity is connected in the ratchet
Upper end；
Lock set is solved, activity is inserted in the headrest, and described solution lock set one end is resisted against on the lock assembly
End；
When the solution lock set moves, the lock assembly can rotate and can be around with ratchet unlock and the headrest
The junction of itself and strut is overturn.
In a kind of above-mentioned reversible automotive headrest, the lock assembly includes：Link block is rotationally connected with institute
It is internal to state headrest, the link block upper end is flexibly connected with described solution lock set one end；
Pawl is rotationally connected with inside the headrest and is fixed with the link block, pawl lower end activity clamping
In the ratchet upper end.
In a kind of above-mentioned reversible automotive headrest, the pawl lower end is equipped with locking convex block, the ratchet upper end
Offer locking groove, the pawl lower end, which can extend into in locking groove and locking convex block side, can be resisted against the lock
Only groove side end face.
In a kind of above-mentioned reversible automotive headrest, the link block side end face is equipped with solution closing piece, the unlock
There is block unlock inclined-plane, described solution lock set one end to be equipped with arc solution locked groove, and the unlock inclined-plane is resisted against the arc unlock
Slot end.
In a kind of above-mentioned reversible automotive headrest, the both sides of the ratchet are fixed with the first torsional spring, Mei Ge
One torsional spring be sheathed on the strut and one end of the first torsional spring and with headrest lower end clamping connect.
In a kind of above-mentioned reversible automotive headrest, connecting shaft is equipped in the headrest, the link block is rotatable
Be sheathed in the connecting shaft, the link block side is arranged with the second torsional spring, and one end of second torsional spring is resisted against institute
Link block side end face is stated, the second torsional spring other end is resisted against in the connecting shaft.
In a kind of above-mentioned reversible automotive headrest, the solution lock set includes button, the button activity grafting
In the headrest side end face, described button one end is connected with pushing block, and the arc solution locked groove is opened in pushing block end.
In a kind of above-mentioned reversible automotive headrest, the pushing block lower end is arranged with (the first back-moving spring, and described
One end of one resetting spring abut against with inside the headrest.
In a kind of above-mentioned reversible automotive headrest, the headrest is internally provided with limit pack, is opened on the pushing block
Equipped with limiting slot, the limit pack is inserted in the limiting slot.
In a kind of above-mentioned reversible automotive headrest, the headrest internal slide is connected with sliding shoe, the sliding
There is inclined surface, the inclined surface can be resisted against the link block upper end for block one end, and it is multiple that described sliding shoe one end is equipped with second
Position spring, described second back-moving spring one end is connected to inside the headrest.
Compared with the prior art, the advantages of the present invention are as follows the structure of the reversible automotive headrest is simple, production cost
Low, headrest overturning is convenient, and smooth in releasing process, operating handle is good, the connection relation between each structure and relative position
It will not easily change, stability is high, and service life is long.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of this reversible automotive headrest；
Fig. 2 is the annexation figure for solving lock set, lock assembly and ratchet；
Fig. 3 is the lockup state figure for solving lock set and ratchet.
Fig. 4 is the concrete structure schematic diagram of this reversible automotive headrest.
In figure, headrest 1, strut 2, ratchet 3, link block 4, pawl 5, locking convex block 6, locking groove 7, solution closing piece 8, unlock
Inclined-plane 9, arc solution locked groove 10, the first torsional spring 11, connecting shaft 12, the second torsional spring 13, button 14, pushing block 15, (the first back-moving spring
16, pack 17, limiting slot 18, sliding shoe 19, inclined surface 20, second back-moving spring 21 are limited.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, this reversible automotive headrest 1, including：Headrest 1, inside be formed with
Installation space；
Strut 2, the upper end are rotationally connected with 1 lower end of headrest；
Ratchet 3 is fixedly connected on strut 2；
Lock assembly is rotationally connected with inside headrest 1, and the activity of known component lower end is connected in 3 upper end of ratchet；
Lock set is solved, activity is inserted in headrest 1, and solution lock set one end is resisted against lock assembly upper end；
When solving lock set movement, lock assembly can be driven to rotate and unlocked with ratchet 3.
The activity of lock assembly lower end is connected in 3 upper end of ratchet, and one end of lock assembly is resisted against 3 one end of ratchet, works as head
When pillow 1 generates overturning trend, ratchet 3 can give the opposite power in one direction of lock assembly, this power can ensure locking group
Part can not be moved relative to ratchet 3, i.e., lock assembly can not be detached with ratchet 3, and because lock assembly is connected in headrest 1
Portion, so headrest 1 can not be also subjected to displacement in the case that lock assembly can not be detached with ratchet 3, i.e., headrest 1 can not be around it
It is rotated in the junction of strut 2, ensures that headrest 1 being capable of normal use in vertical state.
When needing overturning headrest 1, being unlocked by pressing component, solution lock set is mobile and lock assembly is driven to rotate, at this time locking
Component lower end detaches after rotating with ratchet 3, and at this time when resting the head on 1 by the power overturn, ratchet 3 can not give lock again
Only component provides reaction force, and this makes it possible to the overturning for realizing headrest 1, the application is made for documents
Structure is simple, and production cost is told somebody what one's real intentions are, and unlocked step is few, and driver on the one hand can be facilitated quickly and easily to overturn headrest 1,
On the other hand it since matching relationship is fairly simple, significantly reduces, protects so the connection structure spoilage between parts has
The service life of overturning headrest 1 in the application is demonstrate,proved.
Lock assembly includes：Link block 4 is rotationally connected with inside headrest 1,4 upper end of link block and solution lock set one end
Flexible connection；
Pawl 5 is rotationally connected with 1 inside of headrest and is fixed with link block 4, and 5 lower end activity of pawl is connected on ratchet 3
End.
4 upper end of link block is flexibly connected with solution lock set one end, and 4 turns of link block can be driven when solving lock set movement
It is dynamic, because pawl 5 is fixedly connected with link block 4, it can be rotated with pawl 5 when link block 4 rotates, and because under pawl 5
End is that activity is clamped with 3 upper end of ratchet, so its lower end can be detached with 3 upper end of ratchet when pawl 5 rotates, i.e., works as head at this time
When pillow 1 is by the power overturn, ratchet 3 can not give pawl 5 to provide reaction force again, and then headrest 1 can rotate.
5 lower end of pawl is equipped with locking convex block 6, and 3 upper end of ratchet offers locking groove 7, and 5 lower end of pawl can extend into lock
Only in groove 7 and 6 side of locking convex block can be resisted against 7 side end face of locking groove.
6 side of locking convex block is resisted against 7 side end face of locking groove, and when headrest 1 has overturning trend, locking groove 7 can
Reaction force is provided for locking convex block 6, to ensure that headrest 1 can report holding vertical state, link block 4 to rotate under non-unlocked state
Afterwards, locking convex block 6 can be detached with 7 side of locking groove, and then headrest 1 can realize overturning, after 1 overturning of headrest, be unclamped
Lock set is solved, link block 4 restores home position, that is, locking convex block 6 is also restored to home position, but due to headrest 1
It has been overturn that, headrest 1 and the relative position of ratchet 3 change, i.e. locking convex block 6 and the position of ratchet 3 changes, at this time
Locking convex block 6 is located at the outside of ratchet 3 and leans with the outside of ratchet 3, and in this state, headrest 1 is extensive by upturned position
During answering to vertical position, locking convex block 6 can be rotated slowly along the lateral surface of ratchet 3 upwards, such motion mode
It can ensure 6 uniform rotation of locking convex block, until 5 lower end of pawl stretches in locking groove 7 and locking convex block 6 can be with locking
7 inner side end of groove fits, and since locking convex block 6 is uniform rotation, pawl 5 can be avoided to engage moment with ratchet 3 in this way
Power it is excessive and ratchet 3 is caused to damage and the relative position between ratchet 3 and strut 2 the case where changing, improve this Shen
Stability that please be between structure, improves the service life of the application.
4 side end face of link block is equipped with solution closing piece 8, and there is solution closing piece 8 unlock inclined-plane 9, solution lock set one end to be equipped with arc
Locked groove 10 is solved, unlock inclined-plane 9 is resisted against 10 end of arc solution locked groove.
Unlock inclined-plane 9 is resisted against 10 end of arc solution locked groove, since the end of arc solution locked groove 10 is open state, opens
Mouth is arc shape, so when solving lock set to when the movement of 8 direction of solution closing piece, unlocking inclined-plane 9 can be with the end of arc solution locked groove 10
Portion matches so that solution closing piece 8 can be moved to 10 bottom end of arc solution locked groove, while arc solution locked groove 10 is relative to unlock inclined-plane
9 contact position moves gradually downward, and such structure setting makes unlock more smooth.
The both sides of ratchet 3 are fixed with the first torsional spring 11, and each first torsional spring 11 is sheathed on strut 2 and the first torsional spring
11 one end is simultaneously connected with the clamping of 1 lower end of headrest.
First torsional spring 11 has torsion, because one end is connected on ratchet 3, the other end is connected in 1 lower end of headrest, works as solution
After lock set and ratchet 3 unlock, the torsion of the first torsional spring 11 can 1 rotation of automatic traction headrest, relative to common convertible
Headrest 1, the application can realize the purpose of more easily overturning headrest 1.
Connecting shaft 12 is equipped in headrest 1, link block 4 is rotatably sheathed in connecting shaft 12, and 4 side of link block is arranged with
One end of second torsional spring 13, the second torsional spring 13 is resisted against 4 side end face of link block, and 13 other end of the second torsional spring is resisted against connecting shaft 12
On.
Because one end of the second torsional spring 13 is resisted against 4 side end face of link block, the second torsional spring 13 when link block 4 rotates
Can stress deform upon, and then the second torsional spring 13 can generate screen resilience, and solution lock set, the second torsional spring are unclamped after the completion of overturning
13 screen resilience can drive link block 4 to restore home position, and when resting the head on 1 in vertical state, the second torsional spring 13 can be protected
Card link block 4 will not rotate easily, ensure the stability between structure.
Solution lock set includes button 14, and button 14 is actively plugged in 1 side end face of headrest, and 14 one end of button is connected with pushing block
15, arc solution locked groove 10 is opened in 15 end of pushing block.Pressing button 14 can drive pushing block 15 to move, and then can realize unlock
Action.
15 lower end of pushing block is arranged with (the first back-moving spring 16, one end of (the first back-moving spring 16 abut against with inside headrest 1, pine
When opening button 14, (the first back-moving spring 16 can drive pushing block 15 to restore home position, convenient to unlock next time.
Headrest 1 is internally provided with limit pack 17, and limiting slot 18 is offered on pushing block 15, and limit pack 17 is inserted in limiting slot
In 18, banking stop is inserted in limiting slot 18, and this makes it possible to the positions for limiting pushing block 15, ensure pushing block 15 by the mobile road of regulation
Diameter moves.
1 internal slide of resting the head on is connected with sliding shoe 19, and 19 one end of sliding shoe has an inclined surface 20, and inclined surface 20 can be against
In 4 upper end of link block, 19 one end of sliding shoe is equipped with second back-moving spring 21, and 21 one end of second back-moving spring is connected in headrest 1,
Because inclined surface 20 is resisted against 4 upper end of link block, when sliding shoe 19 moves, inclined surface 20 can drive link block 4 to rotate, in this way
Also it can realize that lock assembly is unlocked with ratchet 3, achieve the purpose that overturning headrest 1, avoid not overturning when unlock component failures
Headrest 1.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
Generation, defined range that however, it does not deviate from the spirit of the invention.
Claims (10)
1. a kind of reversible automotive headrest, which is characterized in that including：
Headrest, inside be formed with installation space；
Strut, the upper end are rotationally connected with the headrest lower end；
Ratchet is fixedly connected on the strut；
Lock assembly is rotationally connected with inside the headrest, and lock assembly lower end activity is connected in the ratchet upper end；
Lock set is solved, activity is inserted in the headrest, and described solution lock set one end is resisted against the lock assembly upper end；
When the solution lock set moves, the lock assembly can rotate and with ratchet unlock and the headrest can around its with
The junction of strut is overturn.
2. a kind of reversible automotive headrest according to claim 1, which is characterized in that the lock assembly includes：Even
Block is connect, is rotationally connected with inside the headrest, the link block upper end is flexibly connected with described solution lock set one end；
Pawl is rotationally connected with inside the headrest and is fixed with the link block, and pawl lower end activity is connected in institute
State ratchet upper end.
3. a kind of reversible automotive headrest according to claim 2, which is characterized in that the pawl lower end is equipped with locking
Convex block, the ratchet upper end offer locking groove, and the pawl lower end can extend into in locking groove and locking convex block one
Side can be resisted against locking groove side end face.
4. a kind of reversible automotive headrest according to claim 2, which is characterized in that set on the link block side end face
There are solution closing piece, the solution closing piece that there is unlock inclined-plane, described solution lock set one end to be equipped with arc solution locked groove, the unlock inclined-plane supports
It is against the arc solution locked groove end.
5. a kind of reversible automotive headrest according to claim 1, which is characterized in that the both sides of the ratchet are connected
There is the first torsional spring, each first torsional spring is sheathed on the strut and one end of the first torsional spring and connects with the clamping of headrest lower end
It connects.
6. a kind of reversible automotive headrest according to claim 2, which is characterized in that be equipped with connection in the headrest
Axis, the link block are rotatably sheathed in the connecting shaft, and the link block side is arranged with the second torsional spring, and described second
One end of torsional spring is resisted against the link block side end face, and the second torsional spring other end is resisted against in the connecting shaft.
7. a kind of reversible automotive headrest according to claim 4, which is characterized in that the solution lock set includes pressing
Button, the button activity are plugged in the headrest side end face, and described button one end is connected with pushing block, and the arc solution locked groove opens up
In pushing block end.
8. a kind of reversible automotive headrest according to claim 7, which is characterized in that the pushing block lower end is arranged with
One resetting spring, one end of the (the first back-moving spring abut against with inside the headrest.
9. a kind of reversible automotive headrest according to claim 7, which is characterized in that the headrest is internally provided with limit
Pack offers limiting slot on the pushing block, and the limit pack is inserted in the limiting slot.
10. a kind of reversible automotive headrest according to claim 2, which is characterized in that the headrest internal slide connects
It is connected to sliding shoe, described sliding shoe one end has inclined surface, and the inclined surface can be resisted against the link block upper end, the cunning
Motion block one end is equipped with second back-moving spring, and described second back-moving spring one end is connected to inside the headrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379426.0A CN108394328A (en) | 2018-04-25 | 2018-04-25 | A kind of reversible automotive headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379426.0A CN108394328A (en) | 2018-04-25 | 2018-04-25 | A kind of reversible automotive headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108394328A true CN108394328A (en) | 2018-08-14 |
Family
ID=63100573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379426.0A Pending CN108394328A (en) | 2018-04-25 | 2018-04-25 | A kind of reversible automotive headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108394328A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220826A1 (en) * | 2019-04-28 | 2020-11-05 | 上海延锋座椅有限公司 | Reversible headrest |
| CN112009337A (en) * | 2020-08-13 | 2020-12-01 | 重庆宏立至信贝艾思汽车用品有限公司 | Headrest framework assembly with adjustable front and rear angles |
| US11135958B2 (en) | 2019-03-05 | 2021-10-05 | Ningbo Jifeng Auto Parts Co., Ltd. | Frame assembly for a vehicle seat |
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| JP2010208570A (en) * | 2009-03-12 | 2010-09-24 | Alpha Corp | Steering lock device |
| DE102011081686A1 (en) * | 2011-08-26 | 2013-02-28 | Audi Ag | Headrest assembly for vehicle seat, has pawl that is not-completely out of engagement with teeth of retainer and with headrest pivoted about pivot axis, such that pawl slides over teeth of locking element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11135958B2 (en) | 2019-03-05 | 2021-10-05 | Ningbo Jifeng Auto Parts Co., Ltd. | Frame assembly for a vehicle seat |
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