WO2020010918A1 - Siège de véhicule automobile - Google Patents

Siège de véhicule automobile Download PDF

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Publication number
WO2020010918A1
WO2020010918A1 PCT/CN2019/087160 CN2019087160W WO2020010918A1 WO 2020010918 A1 WO2020010918 A1 WO 2020010918A1 CN 2019087160 W CN2019087160 W CN 2019087160W WO 2020010918 A1 WO2020010918 A1 WO 2020010918A1
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
actuator
headrest
seat
relative
Prior art date
Application number
PCT/CN2019/087160
Other languages
English (en)
Chinese (zh)
Inventor
龚红宇
冯臣
宋仲明
魏庆虎
Original Assignee
广东肇庆爱龙威机电有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 广东肇庆爱龙威机电有限公司 filed Critical 广东肇庆爱龙威机电有限公司
Publication of WO2020010918A1 publication Critical patent/WO2020010918A1/fr

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    • 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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors

Definitions

  • the present invention relates to an adjustable automobile seat, and more particularly to an automobile seat capable of being automatically adjusted in the process of being stowed and deployed.
  • Car seats are usually adjustable, for example, the height of the seat surface or headrest can be adjusted to suit the height of different passengers, or the tilt angle of the backrest can be adjusted to facilitate passengers to choose the way to lie down or sit.
  • the purpose of the present invention is to improve the prior art automobile seat to further improve the convenience and efficiency of automobile seat adjustment.
  • a car seat that includes:
  • the backrest can be moved relative to the seat surface between an unfolded position and a folded position under the driving of an external force
  • a headrest which can be moved relative to the backrest between an extended position and a retracted position under the driving of an external force
  • a control assembly comprising a first actuator and a second actuator, wherein the first actuator is adapted to drive the backrest to move between a deployed position and a folded position relative to the seat surface, and the second actuator is adapted to Driving the headrest to move relative to the backrest between an extended position and a retracted position;
  • a driver configured to drive the first actuator and the second actuator simultaneously.
  • the automobile seat according to the present invention is provided with the same driving mechanism to drive the backrest and the headrest at the same time, so as to realize the linkage control of the backrest and the headrest, and the structure of the control mechanism of the automobile seat is simpler, which effectively reduces the production of automobile seats. Efficiency and cost.
  • the backrest is rotated between the unfolded position and the folded position relative to the seat surface under the driving of the first actuator. It may also be provided that the backrest moves between the unfolded position and the folded position relative to the seat surface under the driving of the first actuator, or a combination of rotation and movement.
  • the headrest is driven, driven by the second actuator, to move, rotate, or a combination of movement and rotation with respect to the backrest between the extended position and the retracted position.
  • Rotating motion is relatively easy to implement, such as using a simple shaft and gear mechanism, but the process of operation requires a large space.
  • the movement method of movement usually requires the use of guide rails, etc. The installation and operation are relatively complicated, but the operation process can save space optimally. For this reason, you can choose the running mode of the backrest and headrest according to the specific car situation.
  • the first and second actuators are configured to run the headrest to the extended position when the backrest moves to the deployed position, and the headrest to run when the backrest moves to the folded position. To the retracted position.
  • the control assembly By setting the control assembly to adjust the backrest and headrest at the same time, the operation of the car seat is effectively facilitated, which is suitable for one-button adjustment of the rear seat of the car, that is, the operator only needs to simply press the operation button, the car seat All adjustment actions can be completed at the same time, effectively improving the adjustment efficiency.
  • the control component can also be set to be able to individually adjust the backrest and the headrest according to the selection, thereby allowing passengers to adjust the tilt angle of the backrest and the height of the headrest as needed to obtain the most comfortable state.
  • the driver has a first output shaft and a second output shaft.
  • the first output shaft is connected to the first actuator through a linkage.
  • the second output shaft is connected to the second drive mechanism through a flexible shaft.
  • the second actuator includes: a screw rod that can be rotated under the driving of the flexible shaft; and a nut that is sleeved on the screw rod and fixedly connected to the headrest.
  • the extending direction of the first output shaft is substantially perpendicular to the extending direction of the lead screw.
  • the driver is fixedly mounted on the backrest and can be pivoted relative to the seat surface with the backrest.
  • the extension direction of the second output shaft coincides with the extension direction of the rotation axis of the backrest opposite to the seat surface.
  • FIG. 1A and 1B are schematic diagrams of a car seat according to the present invention in different states, wherein the seat surface in FIG. 1A is in an unfolded position and the headrest is in an extended position, and the seat surface in FIG. 1B is in a folded position and The headrest is in the retracted position;
  • FIG. 2 is an enlarged schematic diagram of the car seat shown in FIG. 1A, in which the seat surface is removed to better show the structure of the remaining part;
  • FIG. 3 is an exploded schematic view of a driver of the car seat shown in FIG. 1;
  • FIG. 4 is an exploded view of the second actuator and related components in the car seat shown in FIG. 1.
  • first”, “second”, and the like that may be used in the following description are not intended to limit any order, and are only for the convenience of distinguishing individual components, parts, structures, elements, etc., and these independent components, parts, Structures and elements can be the same, similar, or different.
  • descriptions of orientations that may be used in the following description such as “up”, “down”, “inside”, “outside”, “left”, “right”, “radial”, “axial”, etc. Unless there is an explicit description, it is only for convenience of description, and there is no intention to limit the technical solution of the invention.
  • FIG. 1 is a schematic diagram of a car seat according to the present invention, in which a face cover, a sponge and the like generally provided in the seat are omitted, and only a skeleton thereof is shown in order to better describe the principle and spirit of the present invention.
  • the skeleton shown in the figure is mainly composed of a pipe, it may of course be configured in other forms, such as a plate or a combination of a pipe and a plate.
  • the car seat has a seat surface 10 placed horizontally, and the seat surface 10 is usually fixed or slidably mounted on the floor of a car for supporting the hips of passengers.
  • the car seat also includes a backrest 20 for supporting the back of a passenger sitting on the seat surface 10.
  • two ends of the seat surface 10 in the lengthwise direction each protrude from a support rod, and two ends of the backrest 20 in the lengthwise direction are supported by the support rods, respectively.
  • the backrest 20 can also be installed in other different ways, but the backrest 20 must be able to pivot between the unfolded position and the folded position relative to the seat surface 10 under the driving of an external force. As shown in FIG.
  • the seat surface 10 is in the deployed position, and the seat surface 10 in FIG. 1B is in the folded position.
  • the extended position and the folded position are the maximum movement positions of the backrest 20 relative to the seat surface 10, respectively.
  • the backrest 20 in the folded position is substantially close to the seat surface 10, and the backrest 20 in the expanded position may be perpendicular to the plane of extension of the seat surface 10 or even at a larger angle to facilitate passengers to sit on their backs.
  • the car seat further includes a headrest 30 mounted on the backrest 20.
  • the headrest 30 is provided to be movable between an extended position and a retracted position relative to the backrest 20 under the driving of an external force. As shown in FIG. 1A, the headrest 30 is in an extended position, and the headrest 30 in FIG. 1B is in a retracted position.
  • the adjustable headrest 30 facilitates the use of the seat. For example, in the use state of the seat, the height of the headrest 30 can be adjusted between the extended position and the retracted position to accommodate the head positions of passengers of different heights. In addition, when the entire car seat needs to be folded to make more space in the car, adjusting the headrest 30 to the retracted position can reduce the occupied space of the seat.
  • the automobile seat according to the present invention has an automatic adjustment mechanism. Specifically, the automobile seat according to the present invention allows the backrest 20 to be pivoted relative to the seat surface 10 between the deployed position and the folded position in an electric manner, or the headrest 30 is extended relative to the backrest 20 Move between the position and the retracted position.
  • the automatic adjustment mechanism can control the adjustment mechanism of the backrest and the adjustment mechanism of the headrest in a linked manner, thereby realizing one-button operation, so that the car seat can be viewed from the figure only by a single touch of the button.
  • the state of 1A changes to the state of FIG. 1B, or the state of FIG. 1B changes to the state of FIG. 1A.
  • the car seat can be set so that its legs can also be adjusted.
  • the legs are in a raised state, and the seat surface is in a high position; in FIG. 1B, the legs are in a flat state, and the seat surface is in a lower position. Therefore, by adjusting the state of the legs, the height of the seat surface 10 can be adjusted to facilitate passengers with different heights, or to reduce the occupied space of the car seat in the stowed state.
  • FIG. 2 it is an enlarged schematic diagram of the car seat shown in FIG. 1A, in which the seat surface is removed to better show the structure of the rest, especially the control assemblies 40 and 50 and the driver arranged on the backrest 20. 60.
  • the driver 60 includes an electric motor and a reducer, wherein the electric motor is connected to the reducer, and the rotation generated by the electric motor is transmitted to the reducer, and the reducer is provided with a first output shaft 61 and a second output shaft 62
  • the first output shaft 61 is connected to the linkage lever 41, and the second output shaft 62 is connected to the flexible shaft 51.
  • a control assembly including a first actuator 40 and a second actuator 50 is also disposed on the backrest 20.
  • the first actuator 40 is connected to the first output shaft 61 of the driver 60 through a linkage 41 to drive the backrest 20 to pivot relative to the seat surface 10 between an unfolded position and a folded position.
  • the second actuator 50 is connected to the second output shaft 62 of the driver 60 through a flexible shaft 51 to drive the headrest 30 to move relative to the backrest 20 between an extended position and a retracted position.
  • the first actuator 40 may be provided in various forms.
  • the first actuator 40 may include a gear mechanism 40 (only shown in the figure) fixedly mounted on the backrest, and the gear mechanism 40 is connected to the first output shaft 61 through a link 41 so that the rotation of the driving mechanism 60 passes through the link 41 is transmitted to the gear mechanism 40, thereby driving the entire backrest 20 to pivot relative to the seat surface 10 between the unfolded position and the folded position.
  • the second actuator 50 is a screw nut mechanism, which includes a screw 52 that can be rotated under the driving of the soft shaft 51 and is sleeved on the screw 52 and fixedly connected to the headrest 30 Of the nut 53.
  • a support 54 is fixedly mounted on the backrest 20, and a coupling 55 is mounted on the support 54.
  • One end of the coupling 55 is connected to the flexible shaft 51 and the other end is connected to the screw shaft 52, so that the flexible shaft 51 rotates. Can be transferred to the screw rod 52.
  • a nut 53 is sleeved on the screw shaft 52, and the nut 53 is connected to the skeleton of the headrest 30. It can be understood that when the screw shaft 52 is rotated by the flexible shaft 51, the nut 53 sleeved on the screw shaft 52 will move along the screw shaft 52, thereby driving the headrest 30 as a whole to move relative to the backrest 20. By changing the direction of the rotation output by the driver 60, the rotation direction of the flexible shaft 51 is changed accordingly, so that the headrest 30 is driven closer to or farther from the backrest 20 to move between the extended position and the retracted position.
  • the flexible shaft is a shaft with small rigidity, elasticity, and freely bendable rotation, and is used to connect the second output shaft 62 and the screw shaft 52 of different shafts or even different surfaces to transmit rotary motion and torque between the two.
  • various different types of flexible shafts can be used.
  • the flexible shaft includes a jacket and a core, wherein the middle core is twisted by a plurality of thin steel wires, and both ends of the steel wire are supported by bearings. The wire rope rotates without using the jacket during use.
  • the driver 60, the flexible shaft 51, and the linkage lever 41 are all fixedly mounted on the backrest 20 and can be pivoted relative to the seat surface 10 with the backrest 20.
  • the driver 60 may also be installed in another position of the automobile, and transmit power to the soft shaft 51 and the linkage rod 41 through a transmission device.
  • the extension direction of the first output shaft is substantially perpendicular to the extension direction of the screw rod, and the extension direction of the second output shaft coincides with the extension direction of the rotation axis of the backrest opposite to the seat surface.
  • first and second actuators are configured to move the headrest to the extended position when the backrest is pivoted to the deployed position, and the headrest to be moved when the backrest is pivoted to the folded position. To the retracted position. Therefore, the backrest adjustment mechanism and the headrest adjustment mechanism are controlled in a linked manner to realize one-button operation, and the folding or unfolding of the seat can be completed by only a single touch of the button.
  • the controller can also be set to be able to adjust the backrest and the headrest separately, thereby allowing passengers to adjust the tilt angle of the backrest and the height of the headrest as needed to obtain the most comfortable state.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un siège de véhicule automobile comprenant : une surface de siège (10) ; un dossier de siège (20), qui peut pivoter, par rapport à la surface de siège (10), entre une position déployée et une position repliée sous l'entraînement d'une force externe ; un appui-tête (30), qui est mobile entre une position étendue et une position rétractée par rapport au dossier de siège (20) sous l'entraînement d'une force externe ; un composant de commande, comprenant un premier mécanisme d'actionneur (40) et un second mécanisme d'actionneur (50) ; ledit premier mécanisme d'actionneur (40) est approprié pour amener le dossier de siège (20) à pivoter par rapport à la surface de siège (10) entre la position déployée et la position repliée, et le second mécanisme d'actionneur (50) est approprié pour amener l'appui-tête (30) à se déplacer entre une position étendue et une position rétractée par rapport au dossier de siège (20) ; un dispositif d'entraînement (60), agencé pour entraîner le premier mécanisme d'actionneur (40) et le second mécanisme d'actionneur (50) simultanément. Le siège de véhicule automobile est doté du même mécanisme d'entraînement pour entraîner simultanément le dossier de siège (20) et l'appui-tête (30), de sorte que la structure du mécanisme de commande du siège de voiture est plus simple et réduit donc efficacement le coût de production du siège de véhicule automobile.
PCT/CN2019/087160 2018-07-12 2019-05-16 Siège de véhicule automobile WO2020010918A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810762029.1 2018-07-12
CN201810762029.1A CN109878387A (zh) 2018-07-12 2018-07-12 汽车座椅

Publications (1)

Publication Number Publication Date
WO2020010918A1 true WO2020010918A1 (fr) 2020-01-16

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Application Number Title Priority Date Filing Date
PCT/CN2019/087160 WO2020010918A1 (fr) 2018-07-12 2019-05-16 Siège de véhicule automobile

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CN (1) CN109878387A (fr)
WO (1) WO2020010918A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110329121B (zh) * 2019-07-19 2020-08-21 延锋安道拓座椅有限公司 座椅的调角结构及其上的集成式调角器
CN110422090A (zh) * 2019-08-30 2019-11-08 湖北航嘉麦格纳座椅系统有限公司 汽车及其汽车座椅骨架

Citations (6)

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FR2910400A1 (fr) * 2006-12-21 2008-06-27 Renault Sas Siege de vehicule automobile
US20080315653A1 (en) * 2007-06-25 2008-12-25 Lear Corporation Automatic headrest activation gear
US20090058149A1 (en) * 2007-08-31 2009-03-05 Derek Lindsay Self-raising headrest for vehicle seat and method
CN201816484U (zh) * 2009-10-30 2011-05-04 福特环球技术公司 用于机动车的头枕系统
CN102381219A (zh) * 2010-09-03 2012-03-21 李尔公司 用于交通工具座椅的可回撤头部保护装置
WO2015189906A1 (fr) * 2014-06-10 2015-12-17 ジョンソン コントロールズ テクノロジー カンパニ－ Siège de véhicule

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KR101054755B1 (ko) * 2008-08-27 2011-08-05 기아자동차주식회사 시트백 연동형 전후 슬라이딩 헤드레스트 장치
CN102085817B (zh) * 2011-01-20 2012-10-10 浙江吉利汽车研究院有限公司 一种可调节的汽车座椅结构
US9061616B2 (en) * 2013-01-24 2015-06-23 Ford Global Technologies, Llc Articulating headrest assembly
DE102013217918A1 (de) * 2013-09-09 2015-03-12 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Fahrzeugsitz mit einem Antrieb für Lehnen- und Kopfstützenverstellung
CN203854536U (zh) * 2014-05-28 2014-10-01 苏州雷姆斯汽车工程有限公司 一种可调节儿童安全座椅
DE102015218043A1 (de) * 2015-09-18 2017-03-23 Johnson Controls Metals and Mechanisms GmbH & Co. KG Fahrzeugsitz, insbesondere Kraftfahrzeugsitz
CN206242964U (zh) * 2016-11-24 2017-06-13 南京工程学院 一种大角度汽车折叠座椅
CN208452842U (zh) * 2018-07-12 2019-02-01 广东肇庆爱龙威机电有限公司 汽车座椅

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2910400A1 (fr) * 2006-12-21 2008-06-27 Renault Sas Siege de vehicule automobile
US20080315653A1 (en) * 2007-06-25 2008-12-25 Lear Corporation Automatic headrest activation gear
US20090058149A1 (en) * 2007-08-31 2009-03-05 Derek Lindsay Self-raising headrest for vehicle seat and method
CN201816484U (zh) * 2009-10-30 2011-05-04 福特环球技术公司 用于机动车的头枕系统
CN102381219A (zh) * 2010-09-03 2012-03-21 李尔公司 用于交通工具座椅的可回撤头部保护装置
WO2015189906A1 (fr) * 2014-06-10 2015-12-17 ジョンソン コントロールズ テクノロジー カンパニ－ Siège de véhicule

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