WO2013021495A1 - 車両用シート - Google Patents
車両用シート Download PDFInfo
- Publication number
- WO2013021495A1 WO2013021495A1 PCT/JP2011/068319 JP2011068319W WO2013021495A1 WO 2013021495 A1 WO2013021495 A1 WO 2013021495A1 JP 2011068319 W JP2011068319 W JP 2011068319W WO 2013021495 A1 WO2013021495 A1 WO 2013021495A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spring
- vehicle seat
- horizontal line
- seat
- line portion
- Prior art date
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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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- 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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/72—Attachment or adjustment thereof
Definitions
- the present invention relates to a vehicle seat in which an S spring is stretched on a seat portion.
- Patent Document 1 describes a vehicle seat in which an S spring is stretched on a leaf spring installed on a seat frame.
- This vehicle seat is for changing the cushion performance of the seat cushion according to the weight of the seated occupant.
- the leaf spring can be rotated with respect to the seat cushion frame, and the leaf spring can be turned according to the turning position.
- the section modulus is changed.
- Patent Document 1 has a problem that the structure is complicated. For this reason, in order to improve the seating performance of the vehicle seat, there is room for further improvement.
- an object of the present invention is to provide a vehicle seat capable of changing the characteristics of the S spring with a simple configuration.
- the vehicle seat according to the present invention is a vehicle seat in which an S spring is stretched on a seat portion, and has a restraining means that is detachably attached to the S spring and partially restrains the extension deformation of the S spring. .
- the characteristics of the S spring are expressed by bending rigidity and elongation rigidity.
- the extension deformation of the S spring is partially restricted by the restraining means.
- the rigidity can be increased.
- the elongation rigidity of the S spring is changed, so that the characteristics of the S spring can be changed.
- the characteristic of the S spring can be changed by the restraining means having a simple configuration in which the expansion deformation of the S spring is partially restrained.
- the seating performance can be improved by changing the characteristics of the S spring according to the physique and preference of the occupant.
- the S spring includes a vertical line portion extending in the extending direction of the S spring and a horizontal line portion extending in a direction perpendicular to the extending direction of the S spring
- the restraining means includes a long member, And two or more locking portions that are attached to the long member and locked to the horizontal line portion.
- the restraining means can be easily locked to the S spring. Furthermore, by changing the position of the S spring that locks the locking portion, the length of the long member, the locking portion that locks the S spring, etc., the length that restrains the extension deformation of the S spring can be easily changed. can do.
- the S spring is stretched in the vehicle front-rear direction, and the restraining means can restrain the extension deformation of the rear end portion of the S spring.
- the rigidity of the rear end of the S spring can be increased. Therefore, it can suppress that the waist
- the characteristic of the S spring can be changed with a simple configuration, the seating performance can be improved by changing the characteristic of the S spring according to the physique of the occupant.
- FIG. 2 is a partially enlarged view of the vehicle seat shown in FIG. 1.
- FIG. 3 is a cross-sectional view taken along line III-III shown in FIG. It is a side view of a restraint member. It is sectional drawing which showed the state which changed the latching position of the restraint member with respect to the state of FIG. It is the figure which showed the ideal FS curve of the vehicle seat. It is the side view which showed the state just before a passenger
- the vehicle seat according to the present embodiment is mounted on a vehicle and seated by a vehicle occupant. For this reason, the front-rear direction, the up-down direction, and the left-right direction of the vehicle seat are the same as the front-rear direction, the up-down direction, and the left-right direction of the vehicle.
- FIG. 1 is a partial perspective view showing an internal structure of a vehicle seat according to the embodiment.
- FIG. 2 is a partially enlarged view of the vehicle seat shown in FIG. 3 is a cross-sectional view taken along line III-III shown in FIG.
- the vehicle seat 1 according to the present embodiment is provided with a seat portion 2 that can change the cushion performance (deflection characteristics) of the seat cushion.
- the seat portion 2 includes a pair of left and right seat frames 3a and 3b forming a skeleton of the vehicle seat 1, a plate-like front shaft 4 connected to the front end portions of the seat frames 3a and 3b, and the seat frames 3a and 3b.
- a circular tubular rear shaft 5 connected to the rear end, a plurality of S springs 6 stretched on the front shaft 4 and the rear shaft 5 and extending in the front-rear direction of the vehicle seat 1, and an S spring 6 and a restraining member 13 that restrains the expansion and deformation of 6.
- the seat frames 3a and 3b, the front shaft 4 and the rear shaft 5 constitute a seat cushion frame for supporting a seat cushion (not shown).
- the S spring 6 is formed in a substantially S shape by bending a linear member such as a steel wire. If it demonstrates concretely, the S spring 6 will be the vehicle for which the vertical line part 7 extended in the front-back direction of the vehicle seat 1 which is the tension
- seat 1 becomes the shape connected by turns with the predetermined pitch. That is, the S spring 6 is formed in a substantially S shape in the top view of the vehicle seat 1 and is formed in a straight or curved line shape in the side view of the vehicle seat 1.
- the bending characteristics of the S spring 6 are expressed by bending rigidity (bending characteristics) and tensile rigidity (tensile characteristics).
- the horizontal line portion 8 arranged at the rearmost side of the vehicle seat 1 is referred to as a horizontal line portion 8a, and the horizontal line portion 8 arranged in front of one vehicle seat 1 in the horizontal line portion 8a is represented as a horizontal line. This is denoted as part 8b.
- the extending direction of the S spring 6 is a direction in which the S spring 6 is extended, and is an extending direction of the entire S spring 6.
- the rear end 9 of the S spring 6 is formed in a hook shape that can be locked to the rear shaft 5 by bending a linear member. More specifically, the rear end portion 9 of the S spring 6 is curved along an outer circumferential surface of the rear shaft 5 in a circular arc shape and hooked on the rear shaft 5, and a pair of hook portions 10, 11. A rear end portion 9 that is connected to the front ends of the hook portions 10 and 11 and extends in the left-right direction of the vehicle seat 1, which is a direction orthogonal to the extending direction of the S spring 6. One hook portion 10 is connected to the vertical line portion 7, and the other hook portion 11 is a free end. For this reason, the S spring 6 can be locked to the rear shaft 5 by hooking the pair of hook portions 10 and 11 to the rear shaft 5.
- the front end portion of the S spring 6 is connected to the front shaft 4 by various known techniques such as hooking and welding. can do.
- FIG. 4 is a side view of the restraining member. As shown in FIG. 4, the restraining member 13 includes a pair of wire hook portions 15, 16 and a long wire portion 14 that connects one wire hook portion 15 and the other wire hook portion 16.
- the wire hook parts 15 and 16 are members hooked on the horizontal line part 8 and the rear end horizontal line part 12 of the S spring 6. That is, the wire hook portions 15 and 16 can be detachably locked to the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6.
- the wire hook portions 15 and 16 may have any shape as long as the wire hook portions 15 and 16 can be locked to the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6, for example, various shapes such as a U shape and a V shape. Can be formed in any shape.
- the wire part 14 has low bending rigidity. Bending rigidity is a parameter representing the difficulty of bending. The lower the bending rigidity, the easier it is to bend. Moreover, the wire part 14 has high elongation rigidity. Elongation rigidity is a parameter that represents difficulty in elongation. As described above, the wire portion 14 restrains the extension deformation of the S spring 6 and therefore preferably has non-stretchability. However, the wire portion 14 does not necessarily need to have non-stretchability, and may have at least an elongation rigidity higher than the elongation rigidity of the S spring 6.
- the wire part 14 does not have a restriction
- the wire hook portions 15 and 16 are hooked on the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6 so that the wire portion 14 does not loosen, so that the expansion deformation of the S spring 6 can be partially restricted. .
- the restraining member 13 is locked to the S spring 6 in a state where the wire hook portions 15 and 16 are simply hooked on the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6. For this reason, the wire hook parts 15 and 16 are removed from the horizontal line part 8 and the rear end horizontal line part 12 of the S spring 6, and the removed wire hook parts 15 and 16 are connected to the other horizontal line part 8 and the rear end horizontal line part of the S spring 6. By switching to 12, it is possible to change the position and length for restraining the extension deformation of the S spring 6.
- FIG. 5 is a cross-sectional view showing a state in which the locking position of the restraining member is changed with respect to the state of FIG.
- one wire hook portion 15 is hooked on the horizontal line portion 8a
- the wire portion 14 is wrapped around the rear shaft 5
- the other wire hook portion 16 is hooked on the horizontal line portion 8a.
- the S spring 6 is restrained from being stretched and deformed by the restraining member 13 in the range of L1 between the horizontal line portion 8a and the rear end horizontal line portion 12.
- one wire hook part 15 is hooked on the rear end horizontal line part 12, and the wire part 14 is wound around the opposite side of the hook parts 10 and 11 of the S spring 6 in the rear shaft 5,
- the other wire hook part 16 is hooked on the horizontal line part 8b.
- the restraint member 13 it is preferable to set the bending position of the S spring 6 so that the state shown in FIG. 3 and the state shown in FIG. If the state shown in FIG. 3 and the state shown in FIG. 5 cannot be achieved using one restraint member 13, the restraint member 13 having a different length can be used to obtain the state shown in FIG. 3 and FIG. It can be in the state shown.
- FIG. 6 is a diagram showing an ideal FS curve of the vehicle seat.
- FIG. 7 is a side view showing a state immediately before an occupant is seated on the vehicle seat.
- FIG. 8 is a side view showing a state in which an occupant is seated on the vehicle seat.
- FIG. 9 is a side view showing a state in which an external force vertically below acts on an occupant seated on a vehicle seat. 7 to 9, for the sake of clarity, a seat cushion 17 such as urethane placed on the S spring 6 is shown, and the restraining member 13 is not shown.
- the S spring 6 In general, if the S spring 6 is made too soft in order to improve the riding comfort during normal driving, the occupant will sink deeply into the seat 2 when an external force directed downward in the vertical direction acts on the occupant. . On the other hand, if the S spring 6 is made too hard to prevent the occupant from sinking too deeply into the seat portion 2 when an external force directed downward in the vertical direction is applied to the occupant, the riding comfort during normal driving deteriorates. . For this reason, as shown in FIG. 6, the S spring 6 has a soft characteristic in the occupant load range (1) during normal operation, and the S spring in the load range (2) exceeding the occupant load range during normal operation. It is preferable to make 6 a hard characteristic.
- the bending characteristics of the S spring 6 are expressed by bending rigidity (bending characteristics) and tensile rigidity (tensile characteristics).
- bending rigidity bending characteristics
- tensile rigidity tensile characteristics
- FIGS. 6 and 7 in the initial state in which the occupant's load acts on the seat portion 2, the bending amount of the S spring 6 is small, and therefore the bending rigidity of the S spring 6 is mainly utilized.
- FIG. 8 when an external force downward in the vertical direction acts on the occupant, the amount of bending of the S spring 6 increases, and thus the elongation rigidity of the S spring 6 is mainly utilized.
- the expansion deformation of the S spring 6 is partially constrained by the restraining member 13, the total length of the S spring 6 that can extend the S spring 6 is shortened, so that the tensile rigidity of the S spring 6 is increased.
- the bending rigidity of the S spring 6 can be set low, and the stretching deformation of the S spring 6 can be partially restrained by the restraining member 13.
- the bending rigidity of the S spring 6 is mainly utilized, so that the seat portion 2 becomes soft and the ride comfort is improved.
- the elongation rigidity of the S spring 6 is mainly utilized, so the seat 2 becomes hard and the occupant sinks too deeply into the seat 2. Is suppressed.
- the restraint member 13 restrains the extension deformation of the S spring 6.
- the S spring 6 can be set to the characteristics shown in FIG.
- FIG. 10 is a diagram showing an ideal FS curve of a vehicle seat that is required by passengers with different weights.
- a heavy occupant sinks more into the seat 2 than a light occupant.
- the S spring 6 when an external force directed downward in the vertical direction acts on the occupant, the amount of sinking of the occupant into the seat 2 increases compared to during normal operation. Therefore, when a heavy occupant is seated, the weight is light. It is preferable to make the S spring 6 much harder than when a passenger is seated.
- a line ⁇ indicates an ideal FS curve of a vehicle seat that is required by a heavy passenger
- a line ⁇ is an ideal F of a vehicle seat that is required by a lightweight passenger. -S curve is shown.
- the position where the wire hook portions 15 and 16 of the restraining member 13 are hooked on the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6 is changed, as shown in FIG.
- the characteristic of the S spring 6 can be changed.
- the elongation rigidity of the S spring 6 is determined by the dimension obtained by removing L1 from the entire length of the S spring 6.
- the bending stiffness of the S spring 6 can be changed by changing the length of the restraining member 13 to restrain the extension deformation of the S spring 6. it can. For this reason, as shown in FIG. 10, according to the passenger
- the elongation rigidity of the S spring 6 can be increased by partially restraining the extension deformation of the S spring by the restraining member 13. Then, by changing the length of restraining the extension deformation of the S spring by attaching and detaching the restraining member 13, the elongation rigidity of the S spring 6 is changed, so that the bending characteristic of the S spring can be changed.
- the bending characteristic of the S spring 6 can be changed by the restraining member 13 having a simple configuration in which the expansion deformation of the S spring 6 is partially restrained. it can.
- the seating performance can be improved by changing the bending characteristics of the S spring according to the physique and preference of the occupant.
- the restraining member 13 can partially restrain the extension deformation of the S spring by hooking the wire hook portions 15 and 16 to the horizontal line portion 8 and the rear end horizontal line portion 12, the S spring 6 The restraint member 13 can be easily locked. Further, by changing the position of the horizontal line portion 8 and the rear end horizontal line portion 12 for locking the wire hook portions 15 and 16, the length of the wire portion 14, etc., the length for restraining the extension deformation of the S spring 6 can be easily achieved. Can be changed.
- the rigidity of the rear end portion of the S spring 6 can be increased by restraining the extension and deformation of the rear end portion of the S spring 6 in the vehicle longitudinal direction. Thereby, it can suppress that the waist
- the rear end portion 9 of the S spring 6 is locked from the upper side of the rear shaft 5, and the wire portion 14 of the restraining member 13 is attached to the lower side of the rear shaft 5.
- the rear end portion 9 of the S spring 6 is locked from the lower side of the rear shaft 5, and the wire portion 14 of the restraining member 13 is placed on the upper side of the rear shaft 5. You may make it wrap around.
- the said embodiment demonstrated as what restrains the expansion-contraction deformation
- the wire hook portions 15 and 16 of the restraining member 13 may be hooked on the two horizontal line portions 8 arranged in the intermediate portion of the S spring 6. It is good also as what restrains the expansion-contraction deformation in the vehicle front-back direction front-end part.
- the wire hook portions 15 and 16 are attached to both ends of the restraining member 13, respectively.
- the number of wire hook portions attached to the restraining member 13 is not limited as long as it is two or more.
- the three wire hook parts 25, 26, and 27 may be attached to both ends and the middle part of the wire part 24.
- the wire hook portion to be attached to the horizontal line portion 8 and the rear end horizontal line portion 12 of the S spring 6 can be selected. Thereby, the length which can restrain expansion deformation of S spring by one restraint member can be changed variously.
- the present invention can be used as a vehicle seat mounted on a vehicle.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims (3)
- 座部にSばねが張設された車両用シートであって、
前記Sばねに着脱自在に取り付けられて前記Sばねの伸張変形を部分的に拘束する拘束手段を有する車両用シート。 - 前記Sばねは、
前記Sばねの張設方向に延びる縦線部と、
前記Sばねの張設方向に直交する方向に延びる横線部と、
を備えており、
前記拘束手段は、
長尺部材と、
前記長尺部材に取り付けられて前記横線部に係止される2以上の係止部と、
を備える、
請求項1に記載の車両用シート。 - 前記Sばねは、車両前後方向に張設されており、
前記拘束手段は、前記Sばねの車両前後方向における後端部の伸張変形を拘束する、
請求項1又は2に記載の車両用シート。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/514,493 US9132761B2 (en) | 2011-08-10 | 2011-08-10 | Vehicle seat |
CN201180004637.2A CN103097186B (zh) | 2011-08-10 | 2011-08-10 | 车用座椅 |
EP11826191.6A EP2743123B1 (en) | 2011-08-10 | 2011-08-10 | Vehicle seat |
PCT/JP2011/068319 WO2013021495A1 (ja) | 2011-08-10 | 2011-08-10 | 車両用シート |
JP2012511863A JP5472453B2 (ja) | 2011-08-10 | 2011-08-10 | 車両用シート |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/068319 WO2013021495A1 (ja) | 2011-08-10 | 2011-08-10 | 車両用シート |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013021495A1 true WO2013021495A1 (ja) | 2013-02-14 |
Family
ID=47668042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/068319 WO2013021495A1 (ja) | 2011-08-10 | 2011-08-10 | 車両用シート |
Country Status (5)
Country | Link |
---|---|
US (1) | US9132761B2 (ja) |
EP (1) | EP2743123B1 (ja) |
JP (1) | JP5472453B2 (ja) |
CN (1) | CN103097186B (ja) |
WO (1) | WO2013021495A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6165670B2 (ja) * | 2014-04-25 | 2017-07-19 | トヨタ紡織株式会社 | 乗物用シートフレームのバネ部材取付け構造 |
CA2950704A1 (en) * | 2014-06-30 | 2016-01-07 | Tachi-S Co., Ltd. | Spring mounting structure in seat back |
US9827884B2 (en) * | 2015-09-03 | 2017-11-28 | Ford Global Technologies, Llc | Single wire torsion-limiting lower seat anchorage |
US10029594B2 (en) * | 2016-10-13 | 2018-07-24 | Ford Global Technologies, Llc | Seat suspension with maximized downward deflection feature |
JP6583325B2 (ja) | 2017-03-24 | 2019-10-02 | テイ・エス テック株式会社 | 乗物用シート |
JP6309130B1 (ja) | 2017-03-24 | 2018-04-11 | テイ・エス テック株式会社 | 乗物用シート |
US11691738B2 (en) | 2020-12-14 | 2023-07-04 | B/E Aerospace, Inc. | Spring-based seat diaphragm |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4635000Y1 (ja) * | 1968-03-16 | 1971-12-02 | ||
JPS60207613A (ja) * | 1984-03-29 | 1985-10-19 | アイシン精機株式会社 | 弾性支持体 |
JPH01170032U (ja) * | 1988-05-12 | 1989-11-30 | ||
JP2007021063A (ja) | 2005-07-21 | 2007-02-01 | Toyota Boshoku Corp | 車両用シート |
Family Cites Families (16)
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US2235554A (en) * | 1937-03-26 | 1941-03-18 | No Sag Spring Co | Spring construction |
US2356417A (en) * | 1941-02-12 | 1944-08-22 | No Sag Spring Co | Soft edge seat construction |
US2439789A (en) * | 1944-04-12 | 1948-04-20 | Albert M Bank | Upholstery spring edge construction |
US2551800A (en) * | 1945-05-16 | 1951-05-08 | No Sag Spring Co | Spring construction |
US2642932A (en) * | 1951-07-21 | 1953-06-23 | Universal Wire Spring Co | Rail member for removably mounting sinuously corrugated wire springs |
US2657740A (en) * | 1951-09-24 | 1953-11-03 | Ford Motor Co | Spring seat structure |
US2709483A (en) * | 1951-10-26 | 1955-05-31 | No Sag Spring Co | Bucket back seat with sinuous spring |
US2851088A (en) | 1956-12-18 | 1958-09-09 | Kay Mfg Corp | Spring structure for upholstered furniture |
US2851089A (en) * | 1957-10-21 | 1958-09-09 | Kay Mfg Corp | Lockable upholstery edge spring |
US3151853A (en) * | 1963-01-23 | 1964-10-06 | Flex O Lators | Edge spring for upholstered furniture |
US3356359A (en) * | 1967-05-23 | 1967-12-05 | Lear Siegler Inc | Prestressed furniture spring |
DE3510274A1 (de) | 1984-03-26 | 1985-10-03 | Aisin Seiki K.K., Kariya, Aichi | Einstellbarer rahmen |
US5499863A (en) * | 1993-05-17 | 1996-03-19 | Toyota Shatai Kabushiki Kaisha | Seat back frame |
DE102006058703B4 (de) * | 2006-12-13 | 2021-06-10 | Faurecia Autositze Gmbh | Sitz-Teil eines Fahrzeugsitzes |
KR101599863B1 (ko) * | 2009-10-02 | 2016-03-07 | 존슨 컨트롤스 테크놀러지 컴퍼니 | 단품 시트 바닥 섀시 |
CN103260947B (zh) * | 2010-12-24 | 2016-03-30 | 本田技研工业株式会社 | 车辆用座椅的座垫 |
-
2011
- 2011-08-10 EP EP11826191.6A patent/EP2743123B1/en not_active Not-in-force
- 2011-08-10 WO PCT/JP2011/068319 patent/WO2013021495A1/ja active Application Filing
- 2011-08-10 CN CN201180004637.2A patent/CN103097186B/zh active Active
- 2011-08-10 US US13/514,493 patent/US9132761B2/en active Active
- 2011-08-10 JP JP2012511863A patent/JP5472453B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4635000Y1 (ja) * | 1968-03-16 | 1971-12-02 | ||
JPS60207613A (ja) * | 1984-03-29 | 1985-10-19 | アイシン精機株式会社 | 弾性支持体 |
JPH01170032U (ja) * | 1988-05-12 | 1989-11-30 | ||
JP2007021063A (ja) | 2005-07-21 | 2007-02-01 | Toyota Boshoku Corp | 車両用シート |
Non-Patent Citations (1)
Title |
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See also references of EP2743123A4 * |
Also Published As
Publication number | Publication date |
---|---|
US9132761B2 (en) | 2015-09-15 |
US20140159463A1 (en) | 2014-06-12 |
EP2743123B1 (en) | 2017-05-10 |
JP5472453B2 (ja) | 2014-04-16 |
CN103097186B (zh) | 2015-11-25 |
EP2743123A4 (en) | 2015-03-18 |
JPWO2013021495A1 (ja) | 2015-03-05 |
EP2743123A1 (en) | 2014-06-18 |
CN103097186A (zh) | 2013-05-08 |
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