CN102529762A - Vehicle seat - Google Patents
Vehicle seat Download PDFInfo
- Publication number
- CN102529762A CN102529762A CN2010106107216A CN201010610721A CN102529762A CN 102529762 A CN102529762 A CN 102529762A CN 2010106107216 A CN2010106107216 A CN 2010106107216A CN 201010610721 A CN201010610721 A CN 201010610721A CN 102529762 A CN102529762 A CN 102529762A
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- linking member
- lifting linking
- seat
- connecting rod
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Abstract
The invention aims at providing a vehicle seat, which prevents from sinking without a complex structure so that impact is properly absorbed possibly. At the front side of a seat cushion (SC) of the vehicle seat, sector gears (1) are meshed with a pinion (7), jointing connecting rods (3) are respectively supported by a shaft in a manner of overlapping a front lifting connecting rod (2) and a rear lifting connecting rod (4), so that front end shafts of the jointing connecting rods (3) are supported in front of a meshing part of the sector gears (1 and 5A) and a driving pinion (8), therefore, the jointing connecting rods (3) are used as support columns of the rear lifting connecting rod (4) to be toppled over backwards due to the collision load.
Description
Technical field
The present invention relates to a kind of vehicle seat usedly, this is vehicle seat used can adjust height of seat ground supporting by front side lifting linking member and rear side lifting linking member.
Background technology
When collision when running into from the knocking into the back or move backward of rear etc. occurs in the collision of automobile rear, so-called rear impact; The excessive impact load of this moment acts on back of seat through occupant's upper body by its place ahead; When the whole rigidity of backrest frame is high, because this impact load concentrates on the portion of mechanism of seat reclining apparatus etc. easily, so; Usually; The position that plastic deformation takes place easily specifically is arranged at the part of backrest frame,, prevents that stress from concentrating to portion of the mechanism place of seat inclination adjusting device etc. through the caused impact load of the plastic deformation that absorbs this position.
As an example of such structure, knownly disclose following structure, that is, absorb the structure of impact load, for example disclosed structure in the japanese kokai publication hei 7-132767 communique through the part generation plastic deformation that makes the back of seat body side frame.
Patent documentation 1: japanese kokai publication hei 7-132767 communique
Patent documentation 2: TOHKEMY 2008-81067 communique
The lifting linking member by front and back can support up and down seat, so-called subsidiary seat elevator vehicle seat used in; During excessive impact load when effect has rear impact, because this impact load might make rod deformation and make the whole depression of seat.
Though the depression of such seat has the effect of absorb impacting concurrently, when carrying out impact absorption owing to the depression of seat, may be to the plastic deformation generation baneful influence at the position that is arranged at backrest frame.
Therefore, usually, the rigidity through improving lifting linking member and appending falls into anti-locking mechanism etc. and prevents the depression of seat, but has the problem such as complicated that is attended by structure easily.
Summary of the invention
The object of the present invention is to provide a kind of vehicle seat usedly, this is vehicle seat used not to be attended by the complicated of structure and to prevent falling into of seat, thereby can carry out suitable impact absorption.
The present invention is a kind of vehicle seat used, and this vehicle seat used front side lifting linking member and rear side lifting linking member that is supported on the pair of right and left of body side and seat cushion side through axle constitutes parallel linkage, thereby can adjust the height of seat, it is characterized in that,
The front side of above-mentioned body side is fixed with quadrant gear, and the driving that is engaged in this quadrant gear is disposed at above-mentioned seat cushion side with miniature gears,
Link connecting rod and supported by axle respectively, make the front end axle of above-mentioned binding connecting rod be supported on above-mentioned quadrant gear and above-mentioned driving the place ahead with the engagement place of miniature gears with the mode that overlaps above-mentioned front side lifting linking member and above-mentioned rear side lifting linking member.
When the collision when running into from the knocking into the back or move backward of rear etc. occurs in the collision of automobile rear, so-called rear impact owing to put on the big load on the back of seat, towards the back lower place to load on seat cushion.Therefore, in the present invention, the front side of body side is fixed with quadrant gear, the driving of seat cushion side that makes the rear that is disposed at quadrant gear with pinion in this quadrant gear.Therefore; In the front side of seat cushion, because quadrant gear and pinion, miniature gears is disposed at the rear of quadrant gear; So; Even big load is in the rear side lifting linking member during rear impact, also can make miniature gears bring into play function as hill holder, can the height and position of the front side of seat cushion be continued to maintain present state.And; Supported by the difference axle owing to linking the mode of connecting rod with overlap joint front side lifting linking member and rear side lifting linking member; And the front end axle that makes above-mentioned binding connecting rod is supported on quadrant gear and the place ahead that drives with the engagement place of miniature gears; Therefore, can make the binding connecting rod bring into play function as the pillar of the rear side lifting linking member that will rearward topple over owing to collision load.Thus, can make the rear side lifting linking member be difficult to rearward pour into, the depression phenomenon in the time of can suitably preventing the rear impact of cushion frame.
In addition, also be passed to cushion frame owing to act on the impact load of seat cushion, so, can with two sides that link connecting rod impact load be disperseed effectively through cushion frame.
In addition, owing to do not take following countermeasure, promptly; For the rigidity that improves lifting linking member increases wall thickness, perhaps anti-locking apparatus is installed, in addition for the depression that prevents seat; Guarantee to improve the height of seat cushion body side frame for the rigidity that improves cushion frame, can prevent to cause the depression of the seat that the distortion etc. of lifting linking member causes, so; According to the present invention, can realize the miniaturization and the lightness of seat.
And, since with about the front side lifting linking member of binding connecting rod about being linked to, so, through about the binding connecting rod can disperse impact load extremely effectively.Thus, the depression phenomenon in the time of can preventing the rear impact of cushion frame more effectively.
According to the present invention, through simple structure, falling into of the seat that the impact in the time of can preventing the rear impact to the occupant causes makes suitable impact absorption become possibility.
Description of drawings
Fig. 1 is the lateral plan of an expression vehicle seat used embodiment of the present invention.
Fig. 2 is the lateral plan at expression vehicle seat used main position of the present invention.
Fig. 3 is the exploded perspective view of Fig. 2.
The specific embodiment
Below, with reference to accompanying drawing vehicle seat used preferred forms of the present invention is carried out detailed explanation.
As shown in Figure 1, vehicle seat used S has the lifting mechanism that can adjust height, and with respect to the cushion frame 5 of the pair of right and left that constitutes seat cushion SC, the back of the body framework 7 that constitutes the pair of right and left of back of seat freely tilts and links movably.
Each cushion frame 5 is via the upper rail 61 that is connected in slide rail 6 in front and back as the front side lifting linking member of parallel rod 2 and the rear side lifting linking member 4 of L word shape, and this upper rail 61 is installed with respect to lower guideway 62 front and back of the slide rail on the car floor that are fixed on body side 6 with being free to slide.
The above lifting mechanism that can adjust height has: quadrant gear 1, and this quadrant gear 1 is fixed in the front side of upper rail 61; Drive with miniature gears 7, this driving is positioned at the side of cushion frame 3 with miniature gears 7; Above-mentioned in front and back as the rear side lifting linking member 4 of the front side lifting linking member of parallel rod 2 with L word shape; Link connecting rod 3.
Wherein side's about as shown in the figure front side lifting linking member 2 axle freely to rotate is fixed in the axle drive shaft 81 that is installed on above-mentioned cushion frame 5, but also can be fixed in the cushion frame 5 that is positioned at different positions with axle drive shaft 81 by axle.
The opposing party's front side lifting linking member (not shown) through pin etc. freely to rotate axle be fixed in the opposing party's the cushion frame of the opposition side of cushion frame 5.
And, about front side lifting linking member 2 link through connection shaft 23 and be one, the bottom through pivot suspension pin 2a freely to rotate axle be fixed in upper rail 61.In addition, about front side lifting linking member 2 link through union lever 22 and be one, this union lever 22 is through above-mentioned axle drive shaft 81, pin etc., is disposed at the place ahead and the top of the axle support of the front side lifting linking member about relative with cushion frame 5.
Therefore, union lever 22 is disposed at the place ahead and top with respect to quadrant gear 1 with engagement place that this quadrant gear 1 ingear drives with miniature gears.
The binding connecting rod 3 that is linked to the rear side lifting linking member 4 about above-mentioned is linked to above union lever 22.In addition, about rear side lifting linking member 4 top freely to rotate axle be supported on the connection shaft 41 of the cushion frame 5 about two end axles is supported on, the bottom is supported on the rear side of upper rail 61 through pin 43 axles such as grade.
And; About cushion frame 5; Having with the union lever 22 as center of turn is the circular-arc slotted hole 51 at center; The pin 42 that links connecting rod 3 and rear side lifting linking member 4 can be slidably inserted into this slotted hole 51, the cushion frame 5 about pin 42 is supported on the mode that improves the serviceability that links connecting rod 3.
Can make above-mentioned driving with miniature gears 8 rotations through motor (drive source) M, this motor M can pass through direction switch and rotating, has to be used to keep stop mechanism and the reducing gear that it is rotated to desired direction.
Therefore,, drive with miniature gears 8 rotations and with the 1A of gear teeth portion of quadrant gear 1 and mesh, move up and down simultaneously through CD-ROM drive motor (drive source) M.Therefore, can cushion frame 5 be gone up and down through front side and rear side lifting linking member 2,4 as parallel rod.
In addition, in Fig. 3, the inserting hole of 20,24 expression pivot suspension pin 2a among the figure, the through hole of axle drive shafts 81 is inserted in 21 expressions, and 30 expressions are used to link the connect apertures of connecting rod 3 and union lever 22.
The upper end axle of front side and rear side lifting linking member 2,4 is supported on the cushion frame 5 of seat cushion SC side, and the bottom is through pivot suspension pin 2a, 4 upper rails 61 that are supported on body side of pin.The front side lifting linking member 2 of pair of right and left can pass through horizontally extending connection shaft 23 synchronous interlocks.
Therefore, binding connecting rod 3 is supported by the difference axle with the mode of overlap joint front side lifting linking member 2 with the rear side lifting linking member 4 of L word shape.Promptly; The front end that links connecting rod 3 is positioned at the top that drives with miniature gears 8; And; Compare quadrant gear 1 and drive with the engagement place of miniature gears 8 size of separation L1 (with reference to Fig. 2) forwards, through 22 supportings of union lever, the rear end of binding connecting rod 3 is supported on the upper end of rear side lifting linking member 6 through axial region 10b axle.
In addition, binding connecting rod 3 is supported by the difference axle with the mode of overlap joint front side lifting linking member 2 with the rear side lifting linking member 4 of L word shape.Promptly; The front end that links connecting rod 3 is positioned at the top that drives with miniature gears 8, and, compare quadrant gear 1 and driving with the engagement place of miniature gears 8 size of separation L1 (with reference to Fig. 2) forwards; Through 22 supportings of union lever, the rear end that links connecting rod 3 is through 42 upper ends that are supported on rear side lifting linking member 6 of pin
In addition; Even make under seat cushion SC rising or the state that descends through driving with miniature gears 8; Usually, quadrant gear 1 and the engagement place and union lever 22 an also size of separation L1 that drive with miniature gears 8, union lever 22 are positioned at quadrant gear 1 and driving the place ahead with the engagement place of miniature gears 8.
As shown in Figure 1, when the collision of the automobile rears such as collision when running into from the knocking into the back or move backward of rear, so-called rear impact, owing to put on the big load on the back of seat, the load F of lower direction acts on the seat cushion SC backwards.
Therefore; In the front side of seat cushion SC, quadrant gear 1 meshes with miniature gears 8 with driving, drives the rear that is disposed at quadrant gear 1 with miniature gears 8; So; Even big load is in rear side lifting linking member 4 during rear impact, also can make to drive with miniature gears 8 as hill holder performance function, can the height and position of the front side of seat cushion SC be continued to maintain present state.
And; Because binding connecting rod 3 is supported by the difference axle with the mode of overlap joint front side lifting linking member 2 with rear side lifting linking member 4; And the front end axle that makes above-mentioned binding connecting rod 3 is supported on quadrant gear 1,5A and driving the place ahead with the engagement place of miniature gears 8; Therefore, can make and link connecting rod 3 and bring into play function as the pillar of the rear side lifting linking member 4 that will rearward topple over owing to collision load.
Thus, can make rear side lifting linking member 4 be difficult to rearward pour into, the depression phenomenon in the time of can suitably preventing the rear impact of cushion frame 5.In addition, under the situation of the impact load when rear impact greater than the input of predetermined impact load, be braked miniature gears 7 rotation a little sometimes that the device card tangles.
In addition, also be passed to cushion frame 5 owing to act on the impact load of seat cushion, so, can with binding connecting rod 3 both sides impact load be disperseed effectively through cushion frame 5.
In addition, can prevent the depression of the seat that the distortion etc. of lifting linking member causes owing to do not adopt following countermeasure, promptly; For the rigidity that improves lifting linking member increases wall thickness, perhaps, for the depression that prevents seat is provided with anti-locking mechanism; In addition, for the rigidity that improves cushion frame 5 guarantees to improve the height of seat cushion body side frame, so; In the present invention, can realize miniaturization and the lightweight of seat S.And, because above-mentioned lifting linking member 2 self is as quadrant gear, so can reduce part number and cost-cutting.
Certainly, the present invention is not limited to above-mentioned embodiment.
For example, for the front side lifting linking member of non-driving source, be linked to the seat cushion body side frame of the opposition side of above-mentioned cushion frame 5 freely to rotate through pin.In this case, do not adopt miniature gears 8 certainly, its front side lifting linking member is installed on above-mentioned union lever 22, connection shaft 23.
In addition; As drive source; Also can adopt the rotary knob or the control lever of manual type, this rotary knob or control lever have stop mechanism or the reducing gear that only is used to keep to desired direction rotation, and the S. A. of rotary knob or control lever is linked to and drives with miniature gears 7.
Nomenclature:
S...... vehicle seat used, SC...... seat cushion, 1...... quadrant gear, 2...... front side lifting linking member, 3...... link connecting rod, 4...... rear side lifting linking member, 5...... cushion frame, 6...... slide rail, 7...... back of the body framework, 8...... miniature gears.
Claims (1)
- One kind vehicle seat used, the front side lifting linking member and the rear side lifting linking member that are supported on the pair of right and left of body side and seat cushion side through axle constitute parallel linkage, can adjust the height of seat, it is characterized in that,Front side in above-mentioned body side is fixed with quadrant gear, and drive with this quadrant gear ingear and be disposed at above-mentioned seat cushion side with miniature gears,Link connecting rod and supported by axle respectively, make the front end axle of above-mentioned binding connecting rod be supported on above-mentioned quadrant gear and above-mentioned driving the place ahead with the engagement place of miniature gears with the mode that overlaps above-mentioned front side lifting linking member and above-mentioned rear side lifting linking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106107216A CN102529762A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106107216A CN102529762A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529762A true CN102529762A (en) | 2012-07-04 |
Family
ID=46338199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106107216A Pending CN102529762A (en) | 2010-12-29 | 2010-12-29 | Vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102529762A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2544048C1 (en) * | 2013-12-19 | 2015-03-10 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Профессионального Образования "Донской Государственный Технический Университет" (Дгту) | Passenger seat with energy-absorbing backrest |
| CN104981374A (en) * | 2013-02-15 | 2015-10-14 | 提爱思科技股份有限公司 | Vehicle seat |
| 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 |
| CN111386211A (en) * | 2017-11-30 | 2020-07-07 | 提爱思科技股份有限公司 | Seat for vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064763U (en) * | 1990-04-13 | 1990-10-31 | 航空航天工业部川西机器厂 | Stepless lift |
| US4993678A (en) * | 1988-10-26 | 1991-02-19 | Ford Motor Company | Seat positioning mechanism |
| EP0857606A1 (en) * | 1997-02-05 | 1998-08-12 | Proma S.r.l. | A device for adjusting the position of a motorcar seat |
| CN1323267A (en) * | 1998-10-13 | 2001-11-21 | 麦格纳座椅***公司 | Seat cushion height adjustment assembly |
| JP2008024014A (en) * | 2006-07-18 | 2008-02-07 | Tachi S Co Ltd | Height adjusting mechanism of vehicle seat |
| JP2008094385A (en) * | 2006-09-13 | 2008-04-24 | Nhk Spring Co Ltd | Vehicular seat |
| CN101277841A (en) * | 2005-09-15 | 2008-10-01 | 英提尔汽车座椅***有限公司 | Seat assembly having a seat cushion rocker mechanism |
-
2010
- 2010-12-29 CN CN2010106107216A patent/CN102529762A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1323267A (en) * | 1998-10-13 | 2001-11-21 | 麦格纳座椅***公司 | Seat cushion height adjustment assembly |
| CN101277841A (en) * | 2005-09-15 | 2008-10-01 | 英提尔汽车座椅***有限公司 | Seat assembly having a seat cushion rocker mechanism |
| JP2008024014A (en) * | 2006-07-18 | 2008-02-07 | Tachi S Co Ltd | Height adjusting mechanism of vehicle seat |
| JP2008094385A (en) * | 2006-09-13 | 2008-04-24 | Nhk Spring Co Ltd | Vehicular seat |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981374A (en) * | 2013-02-15 | 2015-10-14 | 提爱思科技股份有限公司 | Vehicle seat |
| RU2544048C1 (en) * | 2013-12-19 | 2015-03-10 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Профессионального Образования "Донской Государственный Технический Университет" (Дгту) | Passenger seat with energy-absorbing backrest |
| 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 |
| CN111386211A (en) * | 2017-11-30 | 2020-07-07 | 提爱思科技股份有限公司 | Seat for vehicle |
| CN111386211B (en) * | 2017-11-30 | 2022-05-17 | 提爱思科技股份有限公司 | Seat for vehicle |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |