CN1618656A - Headrest device - Google Patents
Headrest device Download PDFInfo
- Publication number
- CN1618656A CN1618656A CN 200410094921 CN200410094921A CN1618656A CN 1618656 A CN1618656 A CN 1618656A CN 200410094921 CN200410094921 CN 200410094921 CN 200410094921 A CN200410094921 A CN 200410094921A CN 1618656 A CN1618656 A CN 1618656A
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- China
- Prior art keywords
- mentioned
- seat
- headrest
- head rest
- sliding device
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
A headrest device includes a headrest (2) provided over a seatback of a seat, a sliding means (3) for slidably adjusting the seat in back and forth directions, a position-adjusting means (6) for adjusting position of the headrest, and a connecting mechanism (5) connecting the sliding means and the position-adjusting means. The connecting mechanism operates the position-adjusting means in conjunction with operation of the sliding means. The connecting mechanism moves in a first direction when the sliding means moves forward, and the connecting mechanism moves in a second direction when the sliding means moves backward.
Description
Technical field
The present invention relates to have can be at being landed in the head rest device that seated person on the seat comes the mechanism of automatic compensation height of headrest position.
Background technology
In this head rest device in the past, generally speaking, the high seated person of size is adjusted the position of seat by seat being adjusted to the position of leaving operating pedal and bearing circle, and automatically adjust the position of headrest up and down, it is in and head position consistent location roughly.
In this head rest device, utilize spring that headrest is pulled to the back of seat upper side, and utilize metal wool to rest the head on and the lower guideway that is fixed on the seat sliding device on the vehicle floor links together.
Like this, if the seated person size is low, when by seat sliding device seat position forwards being adjusted, the pressure of metal wool resistance spring pulls down headrest, reduces its position.On the other hand, if if seated person size height, when seat position was rearward adjusted, metal wool would have unclamped, and under the elastic force of spring, headrest was moved up.
For example, with reference to patent documentation 1.
Patent documentation 1: open flat 3-282634 communique in fact
But, corresponding with the front and back position of seat in the technology in above-mentioned 1 described past of patent documentation, pre-determine the position of headrest.Therefore, the structure that can not provide the seated person satisfied and build that this predetermined headrest positions is not inconsistent to require.
Also have, owing to as the support of headrest holding components be installed in the relation of the working accuracy between the carriage direct parts of seat back side, big friction each other might occur.At this moment, appearance can not be in situation about will rest the head under the spring force effect above pulling to smoothly easily.
Summary of the invention
The objective of the invention is to the height and position of resting the head on is adjusted into automatic predetermined position, adjust height and position to adapt to the head rest device of build as much as possible by operation simultaneously according to the build of seated person.Also be to realize a kind of influence that is not subjected to a spot of working accuracy between headrest support and the carriage direct parts, can move up and down the device of headrest.
In order to address the above problem, the head rest device of the invention of the 1st among the present invention, have: the headrest that is configured in the back of seat top of seat, above-mentioned headrest is supported in support on the above-mentioned back of seat, and with can adjust above-mentioned seat with respect to the seat sliding device interlock of the front and back position of vehicle floor and can adjust in the head rest device of the mode of upper-lower position of the relative above-mentioned back of seat of above-mentioned headrest and above-mentioned support bonded assembly position regulator
Above-mentioned position regulator, by link and the above-mentioned seat sliding device interlock of installing, when utilizing above-mentioned seat sliding device forwards to move above-mentioned seat, draw an end of above-mentioned link, and when rearward moving above-mentioned seat, draw the other end of above-mentioned link.
Among the present invention the 2nd invention, in above-mentioned the 1st invention, above-mentioned position regulator have can in conjunction with and remove the drive division of combination and be driven portion, above-mentioned drive division is connected with above-mentioned link, the portion that is driven is connected with above-mentioned support.
Among the present invention the 3rd invention, in above-mentioned the 2nd invention, above-mentioned drive division is the miniature gears of spinning movement, and the above-mentioned portion of being driven is the tooth bar of linearly operating, and the end of above-mentioned tooth bar is provided with the notch part that allows above-mentioned miniature gears rotation to rotate freely.
According to the 1st invention since with the action that utilizes seat sliding device forwards to move seat position with rear interlock mutually, force to move up and down headrest, therefore can not be subjected to the working accuracy between support and the carriage direct parts influence move up and down occipitalia.
According to the 2nd invention, by releasing drive division and the interlock that combines, comes disengaged position setting device and seat sliding device that is driven portion, thereby can set headrest positions arbitrarily, to adapt to the seated person of more build.
According to the 3rd invention, the simple structure that the combination by swing pinion and linear gear realizes can reduce manufacturing cost, and when utilizing seat sliding device that seat is moved to forefront or rear, can not produce undue load to position regulator.
Description of drawings
Fig. 1 is the planar view of expression head rest device of the present invention.
Fig. 2 is the section-drawing of A-A part among Fig. 1.
Fig. 3 is the oblique drawing with the seat sliding device of head rest device interlock of the present invention.
Fig. 4 is the lateral plan with seat of head rest device of the present invention.
Among the figure: the 1-seat, the 3-headrest, the 7-position regulator, the 10-back of seat, the 30-head rest device, the 31-support, 62-link (metal wool), 73-are driven portion's (tooth bar), 73b-notch part, 74-drive division (miniature gears).
The specific embodiment
Utilize Fig. 1～Fig. 4 below, the embodiment of the head rest device relevant with the present invention 30 is described.
Fig. 4 represents to have the seat 1 of the head rest device relevant with the present invention 30.The inside of back of seat 10 shown in Figure 4 has the backrest frame 11 as strength member.The support 31 of headrest 3 top by extending to backrest frame 11 is installed on the backrest frame 11.
At downside, the seat sliding device 4 of the front and back position that can adjust seat 1 relative vehicle floor 9 is installed as the seat cushions 2 of the portion of taking a seat of seat 1.Seat sliding device 4 has upper rail 51 on seat cushions of being fixed on 2, the installation bracket 42,43 by front and back is fixed on the lower guideway 41 on the vehicle floor 9.Upper rail 51 is slided before and after lower guideway 41 guiding, by the mutual locking of lockable mechanism of expression not among the figure, thereby can adjust the position of seat 1.
Also have, as shown in Figure 4, head rest device 30 has the position regulator 7 of the position of the above-below direction that is used for adjusting headrest 3.Head rest device 30 is installed on the backrest frame 11, the lower end of holding bracket 31.
As depicted in figs. 1 and 2, position regulator 7 has the bed plate 68 that is fixed on the backrest frame 11, extends by weld part 68c downwards.An end of removing handle 72 is installed on the bed plate 68 by rotary shaft 72a, and can rotate freely.Remove handle 72 roughly to the horizontal expansion of seat 1, its central portion is formed with cam hole 72b.
As shown in Figure 2, the reverse side disposing the bed plate 68 of removing handle 72 disposes pulley 75.Pulley 75 has integrated fixing S. A. 75a, and S. A. 75a passes horizontal expansion and is formed on slotted hole 69 on the bed plate 86.The size of the above-below direction of slotted hole 69 can supporting rotating shaft 75a rotate freely, but do not cause the space of becoming flexible at above-below direction.S. A. 75a is by the side guiding of bed plate 68, can be along the length direction of slotted hole 69, be transverse translation.
Also have, the miniature gears 74 with pulley 75 Holding seat plates 68 is installed on the S. A. 75a, miniature gears 74 and pulley 75 integrated rotations.Give prominence to from the side of miniature gears 74 end that connects the S. A. 75a of miniature gears 74, and this protrusion inserts among the cam hole 72b that removes handle 72.The shape of cam hole 72b makes when handle 72 is removed in rotation in the counterclockwise direction as shown in Figure 1, can move S. A. 75a along slotted hole 69 to right.
Form porose 72c on the end opposite of releasing handle 72, and be connected with the bar 82 that extends upward with S. A. 72a.Also have, slotted hole 69 forms porose 72d with the pars intermedia of hole 72c, between hole 72d and the hole 68d that is formed on the bed plate 68 extension spring 84 is installed, and drawing releasing handle 72 is to right-hand revolution.Bar 82 connects backrest frame 11, and outstanding to the outside of back of seat 1, the upper end is equipped with button 81.Application force by opposing extension spring 84 is pressed button 84 downwards, removes handle 72 to the anticlockwise direction rotation, thereby can move right S. A. 75a.
On backrest frame 11, be installed with the pair of brackets guide member 12 that has certain intervals at the left and right directions of back of seat 10, connect carriage direct parts 12 mounting brackets 31, thereby be directed moving up and down.Mounted panel 32 along the horizontal expansion of back of seat 10 is connected with the lower end of pair of brackets 31.The substantial middle portion place of the Width of the back of seat 10 below mounted panel 32 is by the tooth bar 73 that is welded to connect downward extension.Be formed with on the tooth bar 73 and miniature gears 74 ingear straight line tooth 73a.Therefore, in Fig. 1, when miniature gears 74 left-hand revolutions, miniature gears 74 is meshing with each other with straight line tooth 73a, thus make tooth bar 73 upwards straight line move.Promptly upwards rise with tooth bar 73 incorporate headrests 3.
Also have, as depicted in figs. 1 and 2, be wound with metal wool 62 on the external diameter of pulley 5.The two side ends of metal wool 62 imports respectively in the metal wool cover 61,65 that is separately fixed on the flange part 68a that the lower end bending with bed plate 68 forms.
Among Fig. 3, represent seat sliding device 4 in detail.The upper rail 51 of seat sliding device 4 has upwardly extending longitudinal wall part 51a, at the substantial middle portion place of the length direction of upper rail 51, is mounted with on the side of longitudinal wall part 51a and keeps carriage 52.Keep connecting on the carriage 52 from metal wool cover 65 of front side with from another metal wool cover 61 of rear side.Then, metal wool cover 61,65 metal wools that guided 62 separately come out from the end nipple of metal wool cover 61,65.Be mounted with respectively on the front end of lower guideway 41 and the rearward end in conjunction with carriage 44,45.In conjunction with being formed with hook-shaped portion on the carriage 44,45, connecting respectively the ball-shaped terminal 62a that is installed in metal wool 62 two ends.Metal wool 62 gives certain force of strain when mounted, also can terminal 62a with combine mounting spring between the carriage 44, to keep the tension force of metal wool 62.Also have, in the present embodiment, also can adopt belt or have toothed belt to replace metal wool 62 as link.
The following describes the action of the head rest device 30 of said structure.
By the action of seat sliding device 4, when seat 1 moves forward, among Fig. 3 upper rail 51 forwards (left among the figure) move.Utilize in conjunction with carriage 45 metal wool 62 being overlapped 65 ends from metal wool and pulling out of rear.Conversely, forwardly in conjunction with carriage 44 sides, metal wool 62 is drawn in the metal wool cover 61.By This move, pulley 75 rotates to anticlockwise direction in Fig. 1.By with the miniature gears 74 of pulley 75 integrated rotations, tooth bar 73 is moved downwards.Its result moves down the headrest 3 that combines with tooth bar 73 by support 31.Then, seat sliding device 4 is locked at the adjustment position, also headrest 3 can be maintained on the adjusted position by the lockable mechanism (not shown).When seat 1 was rearward mobile, its action was just opposite.
By This move, can realize then reducing the automatic compensation of the position of headrest 3 for the low seated person of size for the high seated person of size headrest 3 the position that then raises.
Also have, in the structure of this head rest device 30, when above-below direction moves headrest 3, owing to utilize metal wool 62 directly to transmit the amount of movement of seat sliding device 4, even some friction drag between guide member 12 and support 31 also can accurately be kept moving of seat sliding device 4 like this.Also have, though not expression in Fig. 1, parts that also can guiding tooth bar 73 are arranged on the bed plate 68, slide up and down with the pulsation-free of auxiliary rack 73.
In state shown in Figure 1, when pressing the button 81, resisting the application force of extension spring 84, the feasible handle 2 of removing when anticlockwise direction rotates, miniature gears 74 moves towards the direction of leaving tooth bar 73 along slotted hole 69, is meshing with each other thereby break away from.Under the ingear state of removing miniature gears 74 and tooth bar 73, headrest 3 can move along the vertical direction uncommittedly.Under this state, will rest the head on 3 be arranged on the optional position after, if release button 81, then miniature gears 74 is meshing with each other with tooth bar 73, thereby keeps the height and position of this locational headrest 3.Like this, head rest device 30 of the present invention have simultaneously, automatic compensation headrest 3 corresponding with the fore-and-aft adjustment position of seat sliding device 4 upper-lower position function and select the function of arbitrary height position by operation.
Also have, for example, as mentioned above, when the height and position of the operation adjustment headrest 3 by button 81, if seat sliding device 4 is moved to last location, seat sliding device 4 is before arriving last location, and headrest 3 has arrived uppermost position.Even in order also miscellaneous parts such as metal wool 62, miniature gears 74, chi bar 73 not to be produced undue load at this moment, has anodontia notch part 73b respectively in the upper and lower end parts of the straight line tooth 73a of tooth bar 73.When miniature gears 74 arrives this notch part 73b,, therefore can rotate freely, thereby can not produce undue load owing to do not mesh with straight line tooth 73a.
On the other hand, on the outboard end of the notch part 73b of the upper and lower end parts of tooth bar 73, be installed with spring 76 respectively,, under the effect of spring 76, miniature gears 74 pushed back and straight line tooth 73a ingear direction if when miniature gears 74 arrives notch part 73b.Common when utilizing the position when once more seat sliding device 4 being returned to, spring 76 auxiliary miniature gearss 74 mesh smoothly with straight line tooth 73a.Also have, arrive notch part 73b, can get back to the corresponding states of the adjustment position of predetermined seat sliding device 4 and headrest 3 by making miniature gears 74.
Claims (3)
1. head rest device has:
Be configured in the headrest of the back of seat top of seat,
Above-mentioned headrest is supported in support on the above-mentioned back of seat, and
With with can adjust above-mentioned seat with respect to the seat sliding device interlock of the front and back position of vehicle floor and can adjust the mode and the above-mentioned support bonded assembly position regulator of the upper-lower position of the relative above-mentioned back of seat of above-mentioned headrest, it is characterized in that:
Above-mentioned position regulator, with above-mentioned seat sliding device interlock, when utilizing above-mentioned seat sliding device forwards to move above-mentioned seat, draw an end of above-mentioned link by the link of installing, and when rearward moving above-mentioned seat, draw the other end of above-mentioned link.
2. the described head rest device of claim 1 is characterized in that:
Above-mentioned position regulator have can in conjunction with and remove the drive division of combination and be driven portion, above-mentioned drive division is connected with above-mentioned link, the portion that is driven is connected with above-mentioned support.
3. the described head rest device of claim 2 is characterized in that:
Above-mentioned drive division is the miniature gears of spinning movement, and the above-mentioned portion of being driven is the tooth bar of linearly operating, is provided with the notch part that allows above-mentioned miniature gears rotation to rotate freely in the end of above-mentioned tooth bar.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003392165 | 2003-11-21 | ||
| JP2003392165 | 2003-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1618656A true CN1618656A (en) | 2005-05-25 |
Family
ID=34779839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410094921 Pending CN1618656A (en) | 2003-11-21 | 2004-11-18 | Headrest device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1618656A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039834A (en) * | 2009-10-20 | 2011-05-04 | 李尔公司 | Seat assembly having an adjustable head restraint assembly |
| CN102452340A (en) * | 2010-10-20 | 2012-05-16 | F.波尔希名誉工学博士公司 | Backrest of a motor vehicle seat |
| CN101600599B (en) * | 2007-01-26 | 2012-05-23 | Ddd株式会社 | Car seat headrest device |
| CN103358953A (en) * | 2013-07-30 | 2013-10-23 | 天津博信汽车零部件有限公司 | Large stroke adjusting mechanism for seat headrest |
| CN105455480A (en) * | 2014-09-26 | 2016-04-06 | L&P产权管理公司 | Headrest tilt mechanism |
| CN108851698A (en) * | 2017-05-11 | 2018-11-23 | 海蒂诗弗兰克有限及两合公司 | Pivotal fittings and furniture |
-
2004
- 2004-11-18 CN CN 200410094921 patent/CN1618656A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600599B (en) * | 2007-01-26 | 2012-05-23 | Ddd株式会社 | Car seat headrest device |
| CN102039834A (en) * | 2009-10-20 | 2011-05-04 | 李尔公司 | Seat assembly having an adjustable head restraint assembly |
| CN102452340A (en) * | 2010-10-20 | 2012-05-16 | F.波尔希名誉工学博士公司 | Backrest of a motor vehicle seat |
| CN102452340B (en) * | 2010-10-20 | 2014-12-03 | F.波尔希名誉工学博士公司 | Backrest of a motor vehicle seat |
| CN103358953A (en) * | 2013-07-30 | 2013-10-23 | 天津博信汽车零部件有限公司 | Large stroke adjusting mechanism for seat headrest |
| CN103358953B (en) * | 2013-07-30 | 2015-12-02 | 天津博信汽车零部件有限公司 | Chair headrest can Long Distances regulating mechanism |
| CN105455480A (en) * | 2014-09-26 | 2016-04-06 | L&P产权管理公司 | Headrest tilt mechanism |
| US10610022B2 (en) | 2014-09-26 | 2020-04-07 | L&P Property Management Company | Headrest tilt mechanism |
| CN108851698A (en) * | 2017-05-11 | 2018-11-23 | 海蒂诗弗兰克有限及两合公司 | Pivotal fittings and furniture |
| CN108851698B (en) * | 2017-05-11 | 2023-12-12 | 海蒂诗弗兰克有限及两合公司 | Pivoting fitting and piece of furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |