CN105835737B - It is electrically adjusted the seat of height of headrest - Google Patents
It is electrically adjusted the seat of height of headrest Download PDFInfo
- Publication number
- CN105835737B CN105835737B CN201610341365.XA CN201610341365A CN105835737B CN 105835737 B CN105835737 B CN 105835737B CN 201610341365 A CN201610341365 A CN 201610341365A CN 105835737 B CN105835737 B CN 105835737B
- Authority
- CN
- China
- Prior art keywords
- drag
- line
- headrest
- head rest
- seat
- 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
-
- 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
- B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors
-
- 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
- B60N2/821—Head-rests movable or adjustable vertically slidable characterised by their locking devices with continuous positioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/894—Head-rests with rods solidly attached to the back-rest
Abstract
The present invention relates to automotive seating art field more particularly to a kind of seats being electrically adjusted height of headrest.Including backrest frames, head rest pole, headrest, drag-line and driving device, driving device is fixed on backrest frames, head rest pole bottom is fixedly connected with backrest frames, head rest cover is set on head rest pole and passes through elastic component and head rest pole Elastic Matching, drag-line one end is connected with headrest, the other end is connect with driving device, and headrest can compress elastic component under the traction of drag-line and be moved upwards along head rest pole.Under the premise of not changing headrest size and comfort, in such a way that worm and worm wheel are matched, coordinate drag-line, convert the precession amount that motor exports to the vertical displacement amount of headrest, worm and worm wheel may be located remotely from headrest and be arranged on backrest frames, and drag-line occupies little space, and effectively reduces the volume of seat.It is moved up and down using headrest and head rest pole remains unchanged, without reserving head rest pole displacement space in backrest.
Description
Technical field
The present invention relates to automotive seating art field more particularly to a kind of seats being electrically adjusted height of headrest.
Background technology
The height adjusting structure of conventional truck headrest is generally adjusted by the way of mechanical matching, in this way into wardrobe
When pillow height degree is adjusted, it is often necessary to which headrest adjusting is arrived required position by the power applied manually upward or downward, is then rested the head on and is being locked
Adjusting height is rested under the action of locking mechanism.Such regulative mode generally requires both hands and is operated, and uses more
It is inconvenient.In addition, there are also the seats adjusted using motor driving height of headrest, but this seat is driven by motor
Dynamic head rest pole is moved up and down in seat to realize the adjusting of height of headrest, and this requires the space confessions that seat internal reservation is enough
Head rest pole moves, and keeps seat volume excessive.And traditional motor driving generally use leading screw is driven, leading screw volume is larger,
And need in addition that the precession amount of leading screw is converted to vertical displacement amount by matching block between leading screw and headrest, occupied space still compared with
Greatly.
Invention content
The purpose of the present invention is to provide one kind to occupy little space, the seat for being electrically adjusted height of headrest easy to adjust
Chair.
The technical scheme is that：A kind of seat being electrically adjusted height of headrest, including backrest frames, head rest pole and
Headrest, further include drag-line and driving device, the driving device is fixed on backrest frames, the head rest pole bottom with lean on spine
Frame is fixedly connected, and the head rest cover is set on head rest pole and passes through elastic component and head rest pole Elastic Matching, described drag-line one end
It is connected with headrest, the other end is connect with driving device, and the headrest can compress elastic component along head rest pole under the traction of drag-line
It moves upwards.
Further, the headrest includes height adjustment device, and the height adjustment device includes the engine base being mutually matched
And the cover, the engine base is interior to be equipped with guide groove, and the head rest pole is set in guide groove.
Further, the head rest pole includes two guide rods and the cross bar for connecting two guide rods, described two
It is arranged elastic member on guide rod, baffle ring is equipped between the elastic component and cross bar, the guide rod is arranged in guiding
Limit end face is equipped in slot, at the top of the guide groove, the elastic component both ends are contacted with baffle ring and positive stop end surface elastic respectively.
Further, the drag-line includes traction rope, the drag-line pipe sleeve that is sheathed on outside traction rope, is set to drag-line pipe sleeve end
The zipper snap ring in portion and the rope head for being set to drag-line both ends.
Further, the engine base bottom is equipped with drag-line fixing bracket, is arranged to rope head at the top of the drag-line fixing bracket
The baffle of limit, offer on the baffle for drag-line by groove.
Further, the guide rod is hollow structure, and the cross bar is equipped with drag-line via, and described drag-line one end is fixed
In on drag-line fixing bracket, the other end passes through drag-line via to be stretched out from guide rod bottom, and is connect with driving device.
Further, it is equipped with drag-line ways in the middle part of the cross bar, the drag-line ways is corresponding with drag-line via
Position is offered limits matched drag-line bayonet with zipper snap ring.
Further, the driving device includes babinet, the upper cover being threadedly coupled with babinet, snail arranged in the box body
Wheel, the motor that connect with worm-drive and it is set to bobbin winoler of the worm gear top for folding and unfolding traction rope.
Further, positioning column is equipped in the babinet, the worm gear center is equipped with and the matched location hole of positioning column, institute
It states worm gear to be fixed in babinet across positioning column matching, worm seat is equipped on the outside of the babinet, worm screw is set on the worm seat
The worm screw of via, the motor is fixed on across worm screw via on worm seat, the babinet side wall setting adjacent with worm seat
Window is engaged, the engagement window that the worm gear is opened up by wall box is engaged with worm screw.
Further, the bobbin winoler is the winding slot opened up along outer circle circumferential direction in the middle part of worm gear, is set at the top of the worm gear
There are the embedding hole of stay guy rope head, the wall box to be equipped with the line outlet groove passed through for drag-line.
The beneficial effects of the invention are as follows：Under the premise of not changing headrest size and comfort, matched using worm and worm wheel
Mode, coordinate drag-line, convert the precession amount that motor exports to the vertical displacement amount of headrest, worm and worm wheel may be located remotely from head
It rests the head on and is arranged on backrest frames, and drag-line occupies little space, and effectively reduces the volume of seat.It is moved up and down using headrest
And head rest pole remains unchanged, and without reserving head rest pole displacement space in backrest, further improves the profit of seat spaces
With rate.Using the existing head rest pole of seat as the guiding parts of drag-line, simple in structure, stability is good.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is height adjustment device, drag-line and driving device connection diagram；
Fig. 3 is height adjustment device internal structure schematic diagram；
Fig. 4 is engine base and head rest pole assembling schematic diagram；
Fig. 5 is base construction schematic diagram；
Fig. 6 is head rest pole structural schematic diagram；
Fig. 7 is stayed structure schematic diagram；
Fig. 8 is driving device decomposition diagram；
Fig. 9 is worm and wheel assembling schematic diagram；
Figure 10 is usage state diagram of the headrest positioned at minimum point；
Figure 11 is usage state diagram of the headrest positioned at peak.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.The specific embodiments described herein are merely illustrative of the present invention, is not used to limit
The fixed present invention.In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other
Conflict is not constituted to can be combined with each other.
As illustrated in fig. 1 and 2, a kind of seat being electrically adjusted height of headrest, including backrest frames 5, head rest pole 2, headrest
1, drag-line 4 and driving device 3.Headrest steeps structure by height adjustment device 101 and the head paroxysm being coated on outside height adjustment device 101
At.
As shown in figure 3, height adjustment device 101 is made of the engine base 103 and the cover 102 being mutually matched, 2 elasticity of head rest pole
It is set in height adjustment device 101, the bottom of head rest pole 2 is fixedly connected with backrest frames 5.
As shown in Figures 4 and 5, the two bottom sides of engine base 103 are respectively provided with a guide groove 104,104 top setting limit of guide groove
Position end face 105.It is set among two guide grooves 104 in left and right there are one drag-line fixing bracket 106,106 top of drag-line fixing bracket is set
Set there are one the baffle 107 of horizontal fold outward, baffle center open there are one for drag-line by groove 108.
As shown in fig. 6, head rest pole 2 includes two guide rods 201 in left and right and the cross bar for connecting two guide rods 201
202.The shape of wherein two guide rods 201 is the bending type rod-like structure to match with 5 shape of backrest frames.Two guiding
It is arranged with spring 207 on bar 201, baffle ring 206 is equipped between spring 207 and cross bar 202.Guide rod 201 is arranged in guide groove
In 104,207 both ends of spring respectively with baffle ring 206 and limit 105 Elastic Contact of end face.
As shown in fig. 7, drag-line 4 includes traction rope 402, the drag-line pipe sleeve 403 being sheathed on outside traction rope 402, is set to drawing
The zipper snap ring of 403 sets of ends of rope pipe and the rope head 401 for being set to drag-line both ends.Zipper snap ring includes the first zipper snap ring 404
With the second zipper snap ring 406,404 outer wall of the first zipper snap ring is circumferentially arranged with an annular slot 405, the second zipper snap ring
406 outer walls are circumferentially arranged with twice annular groove.Entire head rest pole 2 is hollow structure, and cross bar 202 is equipped with the drag-line mistake of a bar shaped
Hole 205.Set with 205 corresponding position of drag-line via that there are one drag-line ways 203 on cross bar 202.Drag-line ways 203 with
Drag-line via corresponding position is offered limits matched drag-line bayonet 204 with the annular slot 405 of the first zipper snap ring 404.It draws
4 one end rope head 401 of rope is located at 107 lower section of baffle, is limited by baffle 107, to which drag-line fixing bracket is fixed in 4 one end of drag-line
On 203.Drag-line 4 passes through groove 108, when through drag-line ways 203, the first zipper snap ring 404 of 403 end of drag-line pipe sleeve with
The limit matching of drag-line bayonet 204, drag-line 4 pass through drag-line via 205 to be stretched out from 201 bottom of guide rod, and connect with driving device 3
It connects.
As shown in FIG. 8 and 9, driving device include babinet 303, upper cover 305, the worm gear 304 being set in babinet 303, with
The motor 301 and be set to the bobbin winoler that 304 top of worm gear is used for folding and unfolding traction rope 402 that worm gear 304 is sequentially connected.Upper cover 305
The top with babinet 303 is fixed by bolt 315.303 bottom centre of babinet be equipped with positioning column 310,304 center of worm gear be equipped with
310 matched location hole 311 of positioning column, worm gear 304 pass through the matching of positioning column 310 to be fixed in babinet 303.303 outside of babinet
Equipped with worm seat 307, worm screw via 308 is set, the worm screw 302 of motor 301 is fixed across worm screw via 308 on worm seat 307
In on worm seat 307.Window 309 is engaged in the side wall setting adjacent with worm seat 307 of babinet 303, and worm gear 304 passes through wall box
The engagement window 309 opened up is engaged with worm screw 302.Bobbin winoler is the winding slot opened up along 304 middle part outer circle circumferential direction of worm gear
306,304 top of worm gear is equipped with the embedding hole 313 of stay guy rope head 401, and 303 side wall of babinet is equipped with the line outlet groove passed through for drag-line
312.Drag-line 4 is set around after being pierced by from 201 bottom of guide rod in the winding slot 306 of worm gear 304.The rope head 401 of drag-line 4 and embedding hole
313 is chimeric, and after the traction rope 402 of drag-line 4 is wound in winding slot 306, the second zipper snap ring 406 of drag-line 4 passes through bipassage ring
Shape slot is matched with the limit of line outlet groove 312.
As shown in FIG. 10 and 11, when headrest 1 is in extreme lower position, motor 301 rotates, and worm screw 302 is made to drive worm gear 304
It rotates clockwise, worm gear 304 makes the traction rope 402 of drag-line 4 tighten at this time, and traction rope 402 pulls up engine base 103, makes engine base
103 move upwards along the guide rod 201 of 2 both sides of head rest pole, while compressed spring 207, and headrest 1 is finally made to be adjusted to a high position
It sets, spring 207 is in compressive state at this time.When headrest 1 is in extreme higher position, motor 301 rotates, and worm screw 302 is made to drive snail
Wheel 304 rotates counterclockwise, and worm gear 304 makes the traction rope 402 of drag-line 4 loosen at this time, at this time under the rebound effect of spring 207,
Engine base 103 is moved downward along the guide rod 201 of 2 both sides of head rest pole, and headrest 1 is finally made to be adjusted to lower position.Headrest 1 is every time
It adjusts the amplitude being raised and lowered to be determined by motor 301, be believed by setting motor 301 (the present embodiment uses stepper motor) pulse
Number frequency and umber of pulse, can by the amplitude set be desirable value, to meet the needs of different vehicle.
The above description is merely a specific embodiment, it is noted that any technical person familiar with the field exists
Disclosed herein technical scope in, the change or replacement that can be readily occurred in, should all cover protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of seat being electrically adjusted height of headrest, including backrest frames (5), head rest pole (2) and headrest (1), feature
It is：Further include driving device (3) and can draw the drag-line (4) that headrest (1) is moved upwards along head rest pole (2), the driving dress
It sets (3) to be fixed on backrest frames (5), head rest pole (2) bottom is fixedly connected with backrest frames (5), headrest (1) set
On head rest pole (2) and by elastic component and head rest pole (2) Elastic Matching, described drag-line (4) one end connects with headrest (1)
It connects, the other end is connect with driving device (3)；
The head rest pole (2) includes two guide rods (201) and the cross bar (202) for connecting two guide rods (201)；
The drag-line (4) includes traction rope (402), be sheathed on traction rope (402) outer drag-line pipe sleeve (403), is set to drag-line
The zipper snap ring of pipe sleeve (403) end and the rope head (401) for being set to drag-line (4) both ends；
The headrest (1) includes height adjustment device (101), and the height adjustment device (101) includes being mutually matched connection
Engine base (103) and the cover (102), engine base (103) bottom are equipped with drag-line fixing bracket (106), the drag-line fixing bracket
(106) top setting baffle (107) that rope head (401) is limited, offer on the baffle (107) for drag-line (4) by
Groove (108)；
The guide rod (201) is hollow structure, and the cross bar (202) is equipped with drag-line via (205), the drag-line (4) one
End is fixed on drag-line fixing bracket (106), and the other end passes through drag-line via (205) to be stretched out from guide rod (201) bottom, and with
Driving device (3) connects.
2. a kind of seat being electrically adjusted height of headrest as described in claim 1, it is characterised in that：The engine base (103)
Bottom and middle part are equipped with guide groove (104), and the head rest pole (2) is set in guide groove (104).
3. a kind of seat being electrically adjusted height of headrest as described in claim 1, it is characterised in that：Two guide rods
(201) it is arranged elastic member on, baffle ring (206), the guide rod are equipped between the elastic component and cross bar (202)
(201) it is arranged in guide groove (104), limit end face (105) is equipped at the top of the guide groove (104) of engine base (103) bottom,
The elastic component both ends respectively with baffle ring (206) and limit end face (105) Elastic Contact.
4. a kind of seat being electrically adjusted height of headrest as described in claim 1, it is characterised in that：The cross bar (202)
Middle part is equipped with drag-line ways (203), and the drag-line ways (203) offers with drag-line via (205) corresponding position
Matched drag-line bayonet (204) is limited with zipper snap ring.
5. a kind of seat being electrically adjusted height of headrest as claimed in claim 4, it is characterised in that：The driving device
(3) include babinet (303), the upper cover (305) that is threadedly coupled with babinet (303), the worm gear (304) being set in babinet (303),
The motor (301) that is sequentially connected with worm gear (304) and it is set to the coiling at the top of worm gear (304) for folding and unfolding traction rope (402)
Device.
6. a kind of seat being electrically adjusted height of headrest as claimed in claim 5, it is characterised in that：The babinet (303)
Interior to be equipped with positioning column (310), worm gear (304) center is equipped with and positioning column (310) matched location hole (311), the snail
Wheel (304) passes through positioning column (310) matching to be fixed in babinet (303), and worm seat (307) is equipped on the outside of the babinet (303),
Worm screw via (308) is set on the worm seat (307), and the worm screw (302) of the motor (301) passes through worm screw via (308)
It is fixed on worm seat (307), window (309), institute are engaged in the babinet (303) the side wall setting adjacent with worm seat (307)
Worm gear (304) is stated to engage with worm screw (302) by the engagement window (309) that babinet (303) side wall opens up.
7. such as a kind of seat being electrically adjusted height of headrest described in claim 5 or 6, it is characterised in that：The bobbin winoler
For the winding slot (306) opened up along outer circle circumferential direction in the middle part of worm gear (304), worm gear (304) top is equipped with stay guy rope
The embedding hole (313) of head (401), babinet (303) side wall are equipped with the line outlet groove (312) passed through for drag-line (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341365.XA CN105835737B (en) | 2016-05-20 | 2016-05-20 | It is electrically adjusted the seat of height of headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341365.XA CN105835737B (en) | 2016-05-20 | 2016-05-20 | It is electrically adjusted the seat of height of headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105835737A CN105835737A (en) | 2016-08-10 |
| CN105835737B true CN105835737B (en) | 2018-07-27 |
Family
ID=56593907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341365.XA Active CN105835737B (en) | 2016-05-20 | 2016-05-20 | It is electrically adjusted the seat of height of headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105835737B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427700A (en) * | 2016-08-23 | 2017-02-22 | 苏州科技大学 | Headrest having function of self-adapting to height of driver's seat |
| EP3315355B1 (en) | 2016-10-26 | 2021-12-08 | Volvo Car Corporation | A vehicle seat and a head rest for a vehicle seat |
| CN108688540A (en) * | 2017-02-16 | 2018-10-23 | 现代企业 | Electric headrest device |
| CN110001487A (en) * | 2019-04-24 | 2019-07-12 | 上海国琻汽车科技有限公司 | Electronic four-way headrest and the automotive seat comprising it |
| CN113815506B (en) * | 2021-09-26 | 2022-09-27 | 延锋国际座椅系统有限公司 | Automatic lifting headrest structure and car seat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1054787B1 (en) * | 1998-02-12 | 2002-06-05 | Magna Interior Systems Inc. | Automotive seat assembly having a retractable headrest |
| CN1822967A (en) * | 2003-07-15 | 2006-08-23 | 舒克拉机械制造有限公司 | Adjuster device for height adjustment of a headrest |
| CN1914063A (en) * | 2004-02-04 | 2007-02-14 | 舒克拉机械制造有限公司 | Head rest assembly |
| EP2014506A1 (en) * | 2007-06-06 | 2009-01-14 | Martur Sunger ve Koltuk Tesisleri Ticaret Sanayi A.S. | Motor-vehicle seat having a headrest with an anti-whiplash upward sliding movement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7506936B2 (en) * | 2005-03-03 | 2009-03-24 | Lear Corporation | Moveable headrest assembly for a vehicle seat |
| DE102005057462B4 (en) * | 2005-12-01 | 2010-07-29 | Schukra Gerätebau AG | Seat component adjustment device and method as well as seat |
-
2016
- 2016-05-20 CN CN201610341365.XA patent/CN105835737B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1054787B1 (en) * | 1998-02-12 | 2002-06-05 | Magna Interior Systems Inc. | Automotive seat assembly having a retractable headrest |
| CN1822967A (en) * | 2003-07-15 | 2006-08-23 | 舒克拉机械制造有限公司 | Adjuster device for height adjustment of a headrest |
| CN1914063A (en) * | 2004-02-04 | 2007-02-14 | 舒克拉机械制造有限公司 | Head rest assembly |
| EP2014506A1 (en) * | 2007-06-06 | 2009-01-14 | Martur Sunger ve Koltuk Tesisleri Ticaret Sanayi A.S. | Motor-vehicle seat having a headrest with an anti-whiplash upward sliding movement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105835737A (en) | 2016-08-10 |
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