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CN-115431844-B - Multi-posture seat

CN115431844BCN 115431844 BCN115431844 BCN 115431844BCN-115431844-B

Abstract

A multi-pose seat includes a base frame and a seat cushion frame positioned above the base frame and connected to the base frame through a link mechanism, a height assembly configured to move the base frame mounted on a vehicle body, a sliding assembly configured to move the seat cushion frame up and down through a sliding operation of the link mechanism in a front-rear direction, a tilting assembly configured to move a rear end portion of the seat cushion frame up and down, and a seat back frame hinged to the rear end portion of the base frame to tilt.

Inventors

  • JIN YINXIU
  • Liang Xincan
  • LI MINGZHU
  • ZHAO CANQI
  • Han Shengzhi
  • LI HONGXI
  • JIN MINGHUI
  • LI ZHONGZHUO
  • GUO HAIDONG
  • YIN ZHEHUAN
  • HUANG JUNZHI
  • BAI YINSHAN

Assignees

  • 现代自动车株式会社
  • 起亚株式会社
  • 现代坦迪斯株式会社
  • DSC有限公司-东滩

Dates

Publication Date
20260505
Application Date
20211129
Priority Date
20210601

Claims (19)

  1. 1. A multi-pose seat comprising: A base frame and a seat cushion frame located above the base frame and connected to the base frame through a link mechanism; a height assembly configured to move the chassis mounted on the vehicle body; a slide assembly configured to move the seat cushion frame up and down by a slide operation of the link mechanism in a front-rear direction; a tilting assembly configured to move a rear end portion of the seat cushion frame up and down; A seat back frame hinged to a rear end portion of the bottom frame to tilt; A skirt frame rotatably coupled to a lower end portion of the seat back frame to rotate about a skirt hinge axis; a side frame formed on a front surface of the seat back frame with a lower end portion extending toward the front surface of the skirt frame to restrict rotation of the skirt frame when the seat back frame is folded forward, and An elastic member configured to provide an elastic force to rotate an end of the skirt frame toward the side frame.
  2. 2. The multi-pose seat of claim 1 wherein said height assembly comprises: a leg frame provided on a bottom surface of the passenger compartment; A height link arranged between the leg frame and the bottom frame and connected thereto by a four-bar linkage; A height driving unit configured to provide driving force, and And a gear engagement structure configured to transmit a driving force provided by the height driving unit to the height link to rotate the height link.
  3. 3. The multi-pose seat of claim 2 further comprising: a driving gear provided on an output shaft of the height driving unit, and And a driven gear disposed at a predetermined radial distance from the hinge shaft of the height link to be engaged with the driving gear.
  4. 4. A multi-pose seat according to claim 3 wherein the driving gear is provided at the chassis and the driven gear is formed around a hinge shaft of the height link coupled to the chassis.
  5. 5. The multi-pose seat according to claim 3, further comprising: a sector stop hole having a center at the hinge shaft, wherein the stop hole is formed between the hinge shaft of the height link and the driven gear, and And a stopper disposed in the stopper hole to limit a rotation angle of the height link.
  6. 6. The multi-pose seat of claim 1 wherein the slide assembly comprises: A slide driving unit configured to provide driving force; a prone link having first and second ends connected to front ends of the seat cushion frame and the bottom frame, respectively, and A slide link unit having a front end portion connected to the slide driving unit and a rear end portion rotatably connected to a rear end portion of the seat cushion frame to slide in a front-rear direction together with the seat cushion frame by a driving force of the slide driving unit.
  7. 7. The multi-pose seat of claim 6 wherein the sliding link unit comprises: A slide link rotatably connected to the seat cushion frame at a rear end portion thereof; A sliding bracket rotatably connected at a front end portion thereof to a front end portion of the sliding link, and A slide actuating lever connected to the slide driving unit at a front end portion thereof to provide a driving force, and coupled to a rear end portion of the slide bracket at a rear end portion thereof.
  8. 8. The multi-pose seat according to claim 7, wherein the slide driving unit and the slide actuating lever are connected to each other by a ball screw structure such that a rotational driving force of the slide driving unit is converted into a linear motion of the slide actuating lever.
  9. 9. The multi-pose seat according to claim 7, further comprising a slide rail coupled to the chassis and having a guide hole extending in a sliding direction of the slide link unit, Wherein a guide hinge portion is disposed in the guide hole and moves in the front-rear direction in the guide hole, wherein a front end portion of the slide link and a front end portion of the slide bracket are connected to the guide hinge portion.
  10. 10. The multi-pose seat of claim 1 wherein said tilt assembly comprises: A tilt driving unit configured to provide driving force, and A tilt actuating lever connected to the rear end portion of the seat cushion frame and the tilt driving unit and linearly moved in the front-rear direction using a driving force of the tilt driving unit to move the rear end portion of the seat cushion frame upward or downward.
  11. 11. The multi-pose seat according to claim 10, wherein the tilt driving unit and the tilt actuating lever are connected to each other by a ball screw structure such that a rotational driving force provided from the tilt driving unit is converted into a linear motion of the tilt actuating lever.
  12. 12. The multi-pose seat according to claim 10, wherein a rear end portion of the tilt driving unit is hinged to the chassis such that the tilt actuating lever rotates up and down around the rear end portion of the tilt driving unit together with a front end portion of the tilt driving unit.
  13. 13. The multi-position seat according to claim 1, wherein the seat cushion frame is rotated forward and downward by the operation of the slide assembly, and the seat back frame is folded forward completely by the tilting operation, thereby realizing a prone position in which the rear surface of the seat back is placed horizontally.
  14. 14. The multi-posture seat of claim 1, wherein the bottom frame is rotated and moved upward by the operation of the height assembly, the rear end portion of the seat cushion frame is moved upward by the operation of the tilting assembly, and the seat back frame is completely folded backward by the tilting operation, thereby achieving a flat-plate posture in which the upper surface of the seat cushion and the front surface of the seat back are flush with each other in a horizontal state.
  15. 15. The multi-pose seat according to claim 1, wherein a rear end portion of the seat cushion frame is moved downward by an operation of the tilting assembly, and the seat back frame is folded back within a predetermined angle range by a tilting operation, thereby achieving a relaxed pose of the multi-pose seat.
  16. 16. The multi-pose seat according to claim 14, further comprising a controller configured to perform control to determine whether to allow the multi-pose seat to be converted from or to the tablet pose according to a current gear state and a pose of a passenger sitting on the multi-pose seat.
  17. 17. The multi-pose seat according to claim 16, wherein the controller is electrically connected to the height assembly, the slide assembly and the tilt assembly, and the controller is configured to control at least one of the height assembly, the slide assembly and the tilt assembly to allow the pose of the multi-pose seat to be converted to the tablet pose only when in the "P" gear of the vehicle.
  18. 18. The multi-pose seat according to claim 16, wherein the controller is configured to perform control to allow a driver to select a "D" gear of a vehicle when a pose of the multi-pose seat is converted from the tablet pose to a normal seating pose.
  19. 19. The control method of a multi-pose seat according to claim 1, the method comprising the steps of: determining whether to allow the multi-pose seat to be converted from or to a flat-plate pose according to a current gear state and a pose of a passenger seated on the multi-pose seat by a controller electrically connected to the height assembly, the sliding assembly, and the tilting assembly, and The controller allows the posture of the multi-posture seat to be converted into the flat posture only when in the "P" gear of the vehicle, and The controller allows the driver to select a "D" gear of the vehicle when the posture of the multi-posture seat is converted from the flat posture to a normal seating posture.

Description

Multi-posture seat Technical Field The present invention relates to a multi-pose seat configured to maximize usability thereof by various changes in the pose of a seat back and a seat cushion. Background In an electric vehicle, it is necessary to realize a passenger compartment similar to a living space with its flat floor, which is a feature. In addition, in an autonomous vehicle, a private vehicle (PBV), and a vehicle in which three rows of seats are installed, various concepts of a bed chair suitable for resting and sleeping during traveling have been proposed. With the expansion of autonomous leisure culture, people enjoying camping or traveling while sleeping on a vehicle are increasing. However, conventional bed-type seats and camper-type seats available from after-market manufacturers, camper manufacturers, etc. have limitations in terms of safety and convenience of use thereof. The information included in the background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art. Disclosure of Invention Aspects of the present invention are directed to providing a multi-pose seat configured to maximize its usability through various changes in the pose of a seat back and a seat cushion. In accordance with various aspects of the present invention, the above and other objects can be accomplished by the provision of a multi-pose seat including a height assembly configured to move a bottom frame mounted on a vehicle body, a slide assembly configured to move the seat cushion frame up and down by a slide operation of a link mechanism in a front-rear direction, wherein the seat cushion frame is located above the bottom frame and is connected to the bottom frame by the link mechanism, a tilting assembly configured to move a rear end portion of the seat cushion frame up and down, and a seatback frame hinged to the rear end portion of the bottom frame to tilt. The height assembly includes a leg frame provided on a bottom surface of the passenger compartment, a height link disposed between the leg frame and the bottom frame and connected thereto by a four-bar linkage, a height driving unit configured to provide driving force, and a gear engagement structure configured to transmit the driving force provided by the height driving unit to the height link to rotate the height link. The driving gear may be disposed on an output shaft of the height driving unit, and the driven gear may be disposed at a predetermined radial distance from the hinge shaft of the height link to be engaged with the driving gear. The driving gear is disposed at the base frame, and the driven gear is formed around a hinge shaft of a height link coupled to the base frame. The stopping hole has a fan shape with a center at the hinge shaft, wherein the stopping hole is formed between the hinge shaft of the height link and the driven gear, and a stopper may be disposed in the stopping hole to limit a rotation angle of the height link. The slide assembly includes a slide driving unit configured to provide a driving force, a prone link having first and second ends connected to front ends of the seat cushion frame and the bottom frame, respectively, and a slide link unit having a front end connected to the slide driving unit and a rear end rotatably connected to a rear end of the seat cushion frame to slide in a front-rear direction together with the seat cushion frame by the driving force of the slide driving unit. The slide link unit includes a slide link rotatably connected to the seat frame at a rear end portion thereof, a slide bracket rotatably connected to a front end portion of the slide link at a front end portion thereof, and a slide actuating lever connected to the slide driving unit at a front end portion thereof to provide a driving force, and coupled to a rear end portion of the slide bracket at a rear end portion thereof. The slide driving unit and the slide actuating lever are connected to each other by a ball screw structure such that a rotational driving force of the slide driving unit is converted into a linear motion of the slide actuating lever. The multi-pose seat further includes a slide rail coupled to the base and having a guide hole extending in a sliding direction of the slide link unit, a guide hinge portion disposed in the guide hole and moving in the front-rear direction in the guide hole, wherein a front end portion of the slide link and a front end portion of the slide bracket are connected to the guide hinge portion. The tilt assembly includes a tilt driving unit configured to provide a driving force, and a tilt actuating lever connected to a rear end portion of the seat cushion frame and the tilt driving unit and linearly moved in a front-rear direction using the driving force of the tilt driving unit to move t