CN102529763A - Vehicle seat - Google Patents
Vehicle seat Download PDFInfo
- Publication number
- CN102529763A CN102529763A CN2010106116874A CN201010611687A CN102529763A CN 102529763 A CN102529763 A CN 102529763A CN 2010106116874 A CN2010106116874 A CN 2010106116874A CN 201010611687 A CN201010611687 A CN 201010611687A CN 102529763 A CN102529763 A CN 102529763A
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- China
- Prior art keywords
- connecting rod
- mentioned
- quadrant gear
- front side
- lifter connecting
- 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.)
- Pending
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Abstract
The invention provides a vehicle seat which prevents from dropping under the condition of no complex structure and can be used for properly absorbing impact. At the front side of a seat cushion of the vehicle seat, sector gears are meshed with a pinion, and the pinion is arranged in rear of the sector gears, therefore, during rear collision, even if a rear lifter connecting rod is subjected to a large load, because the pinion plays a brake role, the height position of the front side of the seat cushion can be continuously kept in an original state. Moreover, because jointing connecting rods are respectively supported by a shaft in a manner of overlapping a front lifter connecting rod and the rear lifter connecting rod, so that front end shafts of the jointing connecting rods are supported in front of a meshing part of the sector gears and the pinion, therefore, the jointing connecting rods are used as support columns of the rear lifter connecting rod to be toppled over backwards due to the collision load.
Description
Technical field
The present invention relates to a kind of vehicle seat usedly, can adjust height of seat ground supporting through front side lifter connecting rod and rear side lifter connecting rod.
Background technology
For example take place from the rear knock into the back or the reverse travel process in automobile rears such as collision collision, when being the collision of so-called back; Excessive at that time impact load; Can affact on the chair back from its place ahead through the upper body of seated person; If the integral rigidity of seat back frame is high, this impact load concentrates on the portion of mechanism of movable chaise longue device etc. easily, therefore; Selected being arranged on the part of seat back frame in position of plastic deformation will be taken place usually easily, absorb impact load through the plastic deformation according to this position and prevent the mechanism portion of stress concentration at movable chaise longue device etc.
As an example of this spline structure, absorb impact load through the part generation plastic deformation that makes chair back body side frame, for example, the disclosed structure of known japanese kokai publication hei 7-132767 communique.
Patent documentation 1: japanese kokai publication hei 7-132767 communique
Patent documentation 2: TOHKEMY 2008-81067 communique
In the what is called that the lifter connecting rod through front and back can support seat up and down has seat-riser vehicle seat used; Excessive impact load when receiving rear impact is done the time spent, has because this impact load causes rod deformation and then causes the whole danger that descends of seat.
The decline of such seat absorbs the effect of impacting though have both, and when seat decline has produced the effect of impact absorption, has the plastic deformation on the position that is arranged at seat back frame is caused dysgenic danger.
Therefore, the common rigidity through improving the lifter connecting rod or append the decline that modes such as preventing down descending mechanism prevents seat, but the problem of structure complicated etc. is followed in existence easily.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle seat used, this vehicle seat used not following under the complicated situation of structure through preventing that seat from descending, and can suitably absorb impact.
Of the present invention vehicle seat used; The front side lifter connecting rod and the rear side lifter connecting rod that are supported on the pair of right and left of body side and seat cushion side by axle constitute parallel linkage; Can adjust the height of seat; It is characterized in that having: about above-mentioned front side lifter connecting rod in one constitute by quadrant gear, above-mentioned quadrant gear is used pinion with the driving that is configured in the rear of this quadrant gear; Link connecting rod with the mode that overlaps above-mentioned front side lifter connecting rod and above-mentioned rear side lifter connecting rod respectively by the axle supporting, make the front end axle of above-mentioned binding connecting rod be bearing in above-mentioned quadrant gear and above-mentioned driving the place ahead with the engagement position of miniature gears.
When run into from the rear knock into the back or the reverse travel process in collision etc. occur in the collision of automobile rear, during promptly so-called rear impact, through being applied to the big load on the chair back, towards the load of the back lower place in seat cushion.Therefore, in the present invention, adopted quadrant gear as front side lifter connecting rod, make be configured in this quadrant gear rear driving with pinion in this quadrant gear.Therefore, in the front side of seat cushion, quadrant gear and miniature gears are meshed; And miniature gears is configured in the rear of quadrant gear; Therefore, when rear impact takes place, even rear side lifter connecting rod receives big load; Owing to make miniature gears play the effect of drg, so can the height and position of seat cushion front side be continued keep original state.And; Because linking connecting rod is supported by axle respectively with the mode that overlaps front side lifter connecting rod and rear side lifter connecting rod; Make the front end axle that links connecting rod be bearing in quadrant gear and the place ahead that drives with the engagement position of miniature gears; So, can make the binding connecting rod play effect as the pillar of the rear side lifter connecting rod that will swing to the rear that causes by impact load.Thus, rear side lifter connecting rod becomes and is difficult to pour into the rear, can suitably prevent the decline phenomenon of cushion frame when rear impact takes place.
And, also can be delivered on the cushion frame because act on the impact load of seat cushion, so can disperse impact load effectively with binding connecting rod both sides through cushion frame.
In addition; Do not take to thicken the lifter connecting rod, perhaps anti-locking mechanism is set, perhaps guarantee the more high measure of height of seat cushion body side frame for the rigidity that improves cushion frame for the decline that prevents seat for the rigidity that improves the lifter connecting rod; Just can prevent to cause the sinking of seat owing to reasons such as lifter rod deformations; Therefore, according to the present invention, can realize the miniaturization and the lightweight of seat.And, through with front side lifter connecting rod self as quadrant gear, can reduce the number and the cost-cutting of part.
In addition; In the above-mentioned front side lifter connecting rod about preferred another by with rotate freely the quadrant gear of ground axle suspension and constitute in other pinion of above-mentioned seat cushion side; Above-mentioned other miniature gears is configured in the rear of another above-mentioned quadrant gear; About above-mentioned quadrant gear be fixed on the connection shaft and rotation synchronous with it; Another binding connecting rod is supported by axle respectively with the mode that overlaps above-mentioned another front side lifter connecting rod and another rear side lifter connecting rod, makes the above-mentioned front end axle that another links connecting rod be bearing in the place ahead at the engagement position of above-mentioned another quadrant gear and above-mentioned other miniature gears.
Like this; The synchronous interlock of quadrant gear about making through connection shaft; And miniature gears is meshed respectively with each quadrant gear; Can strengthen the brake functionality when rear impact takes place, and because about have the binding connecting rod, so the binding connecting rod about can passing through disperses impact load extremely effectively.Thus, can prevent the decline phenomenon of cushion frame when rear impact takes place more effectively.
According to the present invention, in the time of can being absorbed in rear impact through simple structure to the impact of seated person.
Description of drawings
Fig. 1 is the lateral plan of an expression vehicle seat used embodiment of the present invention.
Fig. 2 is expression makes the state of vehicle seat used seat cushion decline through the driving of miniature gears a lateral plan.
The specific embodiment
Below, Yi Bian specify vehicle seat used preferred implementation of the present invention on one side with reference to accompanying drawing.
As shown in Figure 1, vehicle seat used S has the elevator mechanism that can adjust height, and the back of the body framework 4 of the pair of right and left that is covered by seat back pad, 4A are with respect to cushion frame 3, the 3A of the pair of right and left that is covered by the cushion SC binding movably of freely tilting.
Each cushion frame 3,3A constitute rear side lifter connecting rod 6, the 6A and 2 bindings of getting on the right track of front side lifter connecting rod 5,5A and the L word shape of parallel rod via front and back, this gets on the right track and 2 installs with respect to lower railway 1 front and back of the car bottom plate that is fixed in body side with being free to slide.
The upper end axle of front side and rear side lifter connecting rod 5,5A, 6,6A is supported on cushion frame 3, the 3A of seat cushion SC side, and the bottom gets on the right track 2 through what axial region 2a, 2b axle were supported on body side.The front side lifter connecting rod 5 of pair of right and left, 5A can be through the connection shaft 8 synchronous interlocks that extend in the horizontal direction.In order to realize this structure; Cushion frame 3,3A about the two end portions of the connection shaft 8 of the turning cylinder of formation front side lifter connecting rod 5,5A connects; Connection shaft 8 is by each seat back pad framework 3,3A free rotation ground supporting; And, fix through front side lifter connecting rod 5,5A about being welded in from the both ends of the outstanding connection shaft 8 of cushion frame 3,3A.Like this, front side lifter connecting rod 5, the 5A of pair of right and left are rotated synchronously.
In addition; The rear side lifter connecting rod 6 of pair of right and left, 6A link through the connection shaft 9 of horizontally extending hollow; Cushion frame 3,3A about the two end portions of connection shaft 9 that constitutes the turning cylinder of rear side lifter connecting rod 6,6A connects, about rear side lifter connecting rod 6,6A with respect to freely rotating from the both ends of the outstanding connection shaft 9 of cushion frame 3,3A.
And, about front side lifter connecting rod in motor (drive source) M of the side of a front side lifter connecting rod 5 through being fixed in cushion frame 3, can be that desirable angle is rotated at the center with connection shaft 8.This motor M can carry out rotating through direction switch, and has stop mechanism or reducing gear, and this stop mechanism or reducing gear are used to keep the only rotation on desirable direction.
Motor M can make to drive with miniature gears 7 and rotate.Use the front side lifter connecting rod 5 of miniature gears 7 interlocks to constitute with this driving,, be provided with and drive with miniature gears 7 5a of gears in mesh portion on the top of quadrant gear 5 by the quadrant gear that the connection shaft 8 with hollow rotates as the center.The connection shaft 8 that this gear part 5a forms to constitute center of turn is the fan arcuation at center.
As shown in Figure 2, the propulsive effort of motor M makes to drive with miniature gears 7 and rotates, and passes through the gear part 5a of quadrant gear 5, and making front side lifter connecting rod is that quadrant gear 5 rotates predetermined angulars.And this turning effort is quadrant gear 5A through the front side lifter connecting rod that connection shaft 8 is passed to the opposing party, thereby front side through constituting parallel rod and rear side lifter connecting rod 5,5A, 6,6A can make cushion frame 3,3A go up and down.
And, also can use manual lever to replace motor M.
As shown in Figure 1; Be configured in miniature gears 7 engagements of a quadrant gear 5 on the cushion frame 3 and above-mentioned driving usefulness; The quadrant gear 5A that is configured on another cushion frame 3A also is made up of the quadrant gear that with connection shaft 8 is the center rotation, but rotates freely the cushion frame 3A of ground axle suspension in the side that drive source is not set with this quadrant gear 5A ingear miniature gears 7A.
Like this; Through adopt the quadrant gear 5A that links with connection shaft 8 and with each miniature gears 7A of this quadrant gear 5A ingear; The one-sided cushion frame 3A that has prevented seat S descends, thereby the decline and the head chatter of occupant's posture retentivity prevent performance decrease can prevent rear impact the time.
And the mode that links the rear side lifter connecting rod 6 of front side lifter connecting rod 5 that connecting rod 10 is made up of quadrant gear with overlap joint and L word shape is supported by axle respectively.That is, the front end that links connecting rod 10 is positioned at the top that drives with miniature gears 7, and forwards leaves size L1 (with reference to Fig. 1) from quadrant gear 5 and driving with the engagement position of miniature gears 7, and through the supporting of axial region 10a axle; The rear end that links connecting rod 10 is supported on the upper end of rear side lifter connecting rod 6 through axial region 10b axle.
Equally, the mode that links the rear side lifter connecting rod 6A of front side lifter connecting rod 5A that connecting rod 10A is made up of quadrant gear with overlap joint and L word shape is supported by axle respectively.That is, the front end that links connecting rod 10A is positioned at the top of miniature gears 7A, and forwards leaves size L1 (with reference to Fig. 1) with driving with the engagement position of miniature gears 7A from quadrant gear 5A, and through the supporting of axial region 10a axle; The rear end that links connecting rod 10A is supported on the upper end of rear side lifter connecting rod 6A through axial region 10b axle.
In addition; As shown in Figure 2; Even under the state that seat cushion SC is descended, the engagement position of quadrant gear 5,5A and miniature gears 7,7A and axial region 10b are apart from size L2, axial region 10b is positioned at the place ahead at the engagement position of quadrant gear 5,5A and miniature gears 7,7A.
As shown in Figure 1, when run into from the rear knock into the back or the reverse travel process in collision etc. occur in the collision of automobile rear, during promptly so-called rear impact, owing to be applied to the big load on the chair back, the load F towards the back lower place acts on seat cushion SC.
Therefore; In the front side of seat cushion SC, quadrant gear 5,5A and miniature gears 7,7A engagement, and miniature gears 7,7A are configured in the rear of quadrant gear 5,5A; Therefore when rear impact taking place; Even rear side lifter connecting rod 6,6A receive big load, because miniature gears 7,7A play the effect of drg, so can the height and position of the front side of seat cushion SC be continued to keep original state.
And; Because binding connecting rod 10,10A are supported by axle respectively with the mode of overlap joint front side lifter connecting rod 5,5A and rear side lifter connecting rod 6,6A; And make the front end axle that links connecting rod 10,10A be supported on the place ahead at the engagement position of quadrant gear 5,5A and miniature gears 7,7A; So, binding connecting rod 10,10A are worked as the rear side lifter connecting rod 6 that will swing to the rear that is caused by impact load, the pillar of 6A.
In view of the above, rear side lifter connecting rod 6,6A become and are difficult to pour into the rear, can suitably prevent cushion frame 3, the decline phenomenon of 3A when rear impact takes place.And under the big situation of the impact load that the impact load when rear impact takes place receives than anticipation, the miniature gears 7 of serving as braking rotates sometimes a little.
And the impact load of seat cushion also can be delivered to cushion frame 3,3A is last because act on, so can disperse impact load effectively through cushion frame 3,3A and binding connecting rod 10,10A both sides.
In addition; Do not take to thicken the lifter connecting rod, perhaps anti-locking mechanism is set, perhaps guarantee the more high measure of height of seat cushion body side frame for the rigidity that improves cushion frame 3,3A for the decline that prevents seat for the rigidity that improves the lifter connecting rod; Just can prevent to cause the sinking of seat owing to reasons such as lifter rod deformations; Therefore, according to the present invention, can realize miniaturization and the lightweight of seat S.And, through with front side lifter connecting rod 5,5A self as quadrant gear, can reduce the number and the cost-cutting of part.
And; Quadrant gear 5,5A interlock about making through connection shaft 8; And make miniature gears 7,7A and each quadrant gear 5,5A engagement; Can strengthen the brake functionality when rear impact takes place, and because about have the connecting rod 10 of binding, 10A, so the binding connecting rod 10 about can passing through, 10A disperse impact load extremely effectively.Thus, can prevent the decline phenomenon of cushion frame 3,3A when rear impact takes place more effectively.
The present invention is not limited to above-mentioned embodiment.
For example, on the quadrant gear 5A as front side lifter connecting rod of non-driving source, also can adopt the straight common linkage component that does not have gear part.In this case, do not adopt miniature gears 7A certainly.
In addition; As drive source; Also can adopt manual type rotating handles or control lever; This manual type rotating handles or control lever have stop mechanism or the reducing gear that is used to keep the only rotation on desirable direction, and the S. A. of this rotating handles or control lever is linked to and drives with miniature gears 7.
Nomenclature
S ... Vehicle seat used, M ... Driving engine (drive source), SC ... Seat cushion, 2 ... Get on the right track, 3,3A ... Cushion frame, 5,5A ... Front side lifter connecting rod (quadrant gear), 5a ... Gear part, 6,6A ... Rear side lifter connecting rod, 7,7A ... Miniature gears, 8 ... Connection shaft, 10,10A ... Link connecting rod.
Claims (2)
- One kind vehicle seat used, the front side lifter connecting rod and the rear side lifter connecting rod that are supported on the pair of right and left of body side and seat cushion side by axle constitute parallel linkage, can adjust the height of seat, it is characterized in that having:About above-mentioned front side lifter connecting rod in one constitute by quadrant gear, above-mentioned quadrant gear is used pinion with the driving that is configured in the rear of this quadrant gear,Link connecting rod with the mode that overlaps above-mentioned front side lifter connecting rod and above-mentioned rear side lifter connecting rod respectively by the axle supporting, make the front end axle of above-mentioned binding connecting rod be bearing in above-mentioned quadrant gear and above-mentioned driving the place ahead with the engagement position of miniature gears.
- 2. as claimed in claim 1 vehicle seat used, it is characterized in that,About above-mentioned front side lifter connecting rod in another constitute by quadrant gear; This quadrant gear with rotate freely ground axle suspension other pinion in above-mentioned seat cushion side; Above-mentioned other miniature gears is configured in the rear of another above-mentioned quadrant gear; About above-mentioned quadrant gear be fixed on the connection shaft and rotate synchronouslyAnother binding connecting rod is supported by axle respectively with the mode that overlaps above-mentioned another front side lifter connecting rod and another rear side lifter connecting rod, makes the above-mentioned front end axle that another links connecting rod be bearing in the place ahead at the engagement position of above-mentioned another quadrant gear and above-mentioned other miniature gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106116874A CN102529763A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106116874A CN102529763A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529763A true CN102529763A (en) | 2012-07-04 |
Family
ID=46338200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106116874A Pending CN102529763A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102529763A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106660469A (en) * | 2014-09-19 | 2017-05-10 | 株式会社塔捷斯 | Vehicle seat with height adjustment device |
| CN106687330A (en) * | 2014-10-02 | 2017-05-17 | 株式会社塔捷斯 | Vehicle seat |
| CN109204076A (en) * | 2017-06-30 | 2019-01-15 | 丰田车体株式会社 | Device for vehicle seat |
| CN109532578A (en) * | 2017-09-22 | 2019-03-29 | 佛吉亚汽车座椅公司 | Seat with wing drop |
| CN110271461A (en) * | 2018-03-16 | 2019-09-24 | 安道拓工程技术知识产权有限公司 | Seat-riser structure and vehicle seat equipped with the seat-riser structure |
| CN111071117A (en) * | 2018-10-18 | 2020-04-28 | 丰田自动车株式会社 | Vehicle seat |
| CN111267695A (en) * | 2020-02-27 | 2020-06-12 | 广汽零部件有限公司 | Automobile seat height adjusting structure with anti-sinking function in collision |
| CN113477761A (en) * | 2021-07-13 | 2021-10-08 | 东莞市东兴铝业有限公司 | Bending device of aluminium alloy |
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| EP0857606A1 (en) * | 1997-02-05 | 1998-08-12 | Proma S.r.l. | A device for adjusting the position of a motorcar seat |
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| JP2008024014A (en) * | 2006-07-18 | 2008-02-07 | Tachi S Co Ltd | Height adjusting mechanism of vehicle seat |
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| US4993678A (en) * | 1988-10-26 | 1991-02-19 | Ford Motor Company | Seat positioning mechanism |
| CN2064763U (en) * | 1990-04-13 | 1990-10-31 | 航空航天工业部川西机器厂 | Stepless lift |
| EP0857606A1 (en) * | 1997-02-05 | 1998-08-12 | Proma S.r.l. | A device for adjusting the position of a motorcar seat |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106660469A (en) * | 2014-09-19 | 2017-05-10 | 株式会社塔捷斯 | Vehicle seat with height adjustment device |
| CN106687330A (en) * | 2014-10-02 | 2017-05-17 | 株式会社塔捷斯 | Vehicle seat |
| CN109204076A (en) * | 2017-06-30 | 2019-01-15 | 丰田车体株式会社 | Device for vehicle seat |
| CN109532578A (en) * | 2017-09-22 | 2019-03-29 | 佛吉亚汽车座椅公司 | Seat with wing drop |
| CN109532578B (en) * | 2017-09-22 | 2022-07-05 | 佛吉亚汽车座椅公司 | Chair with automatic tilting |
| US11390190B2 (en) | 2017-09-22 | 2022-07-19 | Faurecia Sièges d'Automobile | Seat with automatic tilting |
| CN110271461A (en) * | 2018-03-16 | 2019-09-24 | 安道拓工程技术知识产权有限公司 | Seat-riser structure and vehicle seat equipped with the seat-riser structure |
| CN110271461B (en) * | 2018-03-16 | 2022-01-07 | 安道拓工程技术知识产权有限公司 | Seat lifter structure and vehicle seat equipped with the same |
| CN111071117A (en) * | 2018-10-18 | 2020-04-28 | 丰田自动车株式会社 | Vehicle seat |
| CN111267695A (en) * | 2020-02-27 | 2020-06-12 | 广汽零部件有限公司 | Automobile seat height adjusting structure with anti-sinking function in collision |
| CN113477761A (en) * | 2021-07-13 | 2021-10-08 | 东莞市东兴铝业有限公司 | Bending device of aluminium alloy |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20120704 |