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CN-122008978-A - Seat basin structure assembly, seat assembly and vehicle

CN122008978ACN 122008978 ACN122008978 ACN 122008978ACN-122008978-A

Abstract

The application discloses a seat basin structure assembly, a seat assembly and a vehicle, and relates to the technical field of vehicle seats, comprising a base, a cushion frame, an inclination angle adjusting assembly, a lifting driving assembly and a leg support driving assembly; the seat cushion frame is movably connected to the base, the fixed part of the inclination angle adjusting assembly is arranged on the base and connected with the front side of the seat cushion frame to drive the front side of the seat cushion frame to swing relative to the rear side, the fixed part of the lifting driving assembly is arranged on the seat cushion frame and connected with the base to drive the seat cushion frame to lift relative to the base, and the leg support driving assembly is arranged on the front side of the seat cushion frame and used for driving the leg support supporting plate to move back and forth. According to the scheme, the inclination adjusting assembly, the lifting driving assembly and the leg support driving assembly are integrated between the base and the cushion frame, so that the cushion frame can be adjusted relative to the base in a plurality of degrees of freedom, and the problem that the traditional seat is single in adjusting mode and difficult to fully meet the multi-dimensional adjusting requirement of the hip and leg parts of passengers is solved.

Inventors

  • LIANG LIMING
  • LAN WEI
  • PEI LEI

Assignees

  • 广汽丰田汽车有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. A seat pan structure assembly, characterized in that the seat pan structure assembly comprises: A base (1); a cushion frame (2), wherein the cushion frame (2) is movably connected to the base (1); The seat cushion comprises a seat cushion frame (2), an inclination angle adjusting component (3), a fixed part of the inclination angle adjusting component (3) is arranged on the base (1), and a movable part of the inclination angle adjusting component (3) is connected with the front side of the seat cushion frame (2), wherein the inclination angle adjusting component (3) is used for driving the front side of the seat cushion frame (2) to swing relative to the rear side of the seat cushion frame (2) on a vertical plane; The seat cushion comprises a seat cushion frame (1), a lifting driving assembly (4) and a lifting driving assembly, wherein a fixed part of the lifting driving assembly (4) is arranged on the seat cushion frame (2), and a movable part of the lifting driving assembly (4) is connected with the seat cushion frame (1); The seat cushion comprises a seat cushion frame (2), a leg support driving assembly (5), a fixed part of the leg support driving assembly (5) is arranged on the front side of the seat cushion frame (2), a leg support supporting plate (6) is arranged on a movable part of the leg support driving assembly (5), and the leg support driving assembly (5) is used for driving the leg support supporting plate (6) to move forwards or backwards relative to the seat cushion frame (2).
  2. 2. The seat pan structure assembly according to claim 1, characterized in that the reclining assembly (3) comprises a first driving means (31), a first link (32) and a second link (33), the lift driving assembly (4) comprises a second driving means (41) and a third link (42); The first end of the first connecting rod (32) is rotatably connected to the base (1) around a first axis, the first end of the second connecting rod (33) is rotatably connected to the second end of the first connecting rod (32) around a second axis, and the front side of the cushion frame (2) is rotatably connected to the second end of the second connecting rod (33) around a third axis; The first end of the third connecting rod (42) is rotatably connected to the base (1) around a fourth axis, the rear side of the cushion frame (2) is rotatably connected to the second end of the third connecting rod (42) around a fifth axis, the fixed part of the second driving device (41) is connected to the cushion frame (2), the movable part of the second driving device (41) is connected with the third connecting rod (42), and the first axis, the second axis, the third axis, the fourth axis and the fifth axis are horizontally arranged along the left-right direction and are parallel to each other.
  3. 3. The seat pan structure assembly according to claim 2, characterized in that the recliner component (3) further comprises a first gear structure (34), the first gear structure (34) being provided on the second link (33), the teeth of the first gear structure (34) being arranged around a sixth axis, the sixth axis being parallel to the first axis; the first driving device (31) comprises a first driving motor and a first driving gear, the first driving motor is connected with the first driving gear, the first driving gear is in meshed transmission with the first gear structure (34), and the first driving motor is used for driving the first driving gear to rotate so as to drive the second connecting rod (33) to rotate relative to the first connecting rod (32) through the first gear structure (34).
  4. 4. A seat pan structure assembly according to claim 3, characterized in that the recliner component (3) comprises two first driving means (31), two first links (32), two second links (33) and two first gear structures (34) distributed at intervals along the first axis, the recliner component (3) further comprises a first connecting cross bar (35), two ends of the first connecting cross bar (35) are connected with second ends of the two second links (33) in a one-to-one correspondence, and the front side of the cushion frame (2) is rotatably connected with two ends of the first connecting cross bar (35) around the third axis; And/or, the inclination angle adjusting assembly (3) further comprises a thickening rack (36), wherein the thickening rack (36) is connected with the first gear structure (34), teeth of the thickening rack (36) are correspondingly overlapped on teeth of the first gear structure (34) one by one, and the thickening rack (36) is meshed with the first driving gear for transmission; And/or the first gear structure (34) is provided with a first limit groove (341), the first connecting rod (32) is provided with a first limit post (321), the first limit post (321) is in sliding fit in the first limit groove (341), and when the second connecting rod (33) rotates to a critical angle relative to the first connecting rod (32), the first limit post (321) is in butt joint with the end part of the first limit groove (341).
  5. 5. The seat pan structure assembly according to claim 2, characterized in that the lifting drive component (4) further comprises a second gear structure (43), the second gear structure (43) being arranged on the third link (42), the teeth of the second gear structure (43) being arranged around a seventh axis, the seventh axis being parallel to the fourth axis; the second driving device (41) comprises a second driving motor and a second driving gear, the second driving motor is connected with the second driving gear, the second driving gear is in meshed transmission with the second gear structure (43), and the second driving motor is used for driving the second driving gear to rotate so as to drive the cushion frame (2) to rotate relative to the third connecting rod (42) through the second gear structure (43).
  6. 6. The seat pan structure assembly according to claim 5, characterized in that the lifting drive component (4) comprises two second drive devices (41), two third connecting rods (42) and two second gear structures (43) which are distributed at intervals along the fourth axis, the lifting drive component (4) further comprises a second connecting cross rod (44), two ends of the second connecting cross rod (44) are connected with the second ends of the two third connecting rods (42) in a one-to-one correspondence manner, and the rear side of the cushion frame (2) is rotatably connected with two ends of the second connecting cross rod (44) around the fifth axis; And/or the third connecting rod (42) is provided with a second limit groove (421), the cushion frame (2) is provided with a second limit column (21), the second limit column (21) is in sliding fit in the second limit groove (421), and when the cushion frame (2) rotates to a critical angle relative to the third connecting rod (42), the second limit column (21) is in butt joint with the end part of the second limit groove (421).
  7. 7. The seat pan structure assembly according to claim 1, characterized in that the leg rest support plate (6) is provided with a third gear structure (7), the teeth of the third gear structure (7) being arranged around an eighth axis; The leg rest driving assembly (5) further comprises a third driving device (51), a fourth connecting rod (52) and a fifth connecting rod (53), wherein the driving end (511) of the third driving device (51) is rotatably connected to the third gear structure (7) around the eighth axis, the third driving device (51) is used for driving the leg rest supporting plate (6) to move forwards or backwards, the first end of the fourth connecting rod (52) is rotatably connected to the front side of the cushion frame (2) around the ninth axis, the first end of the fifth connecting rod (53) is rotatably connected to the second end of the fourth connecting rod (52) around the tenth axis, a fourth gear structure (531) is arranged at the second end of the fifth connecting rod (53), teeth of the fourth gear structure (531) are distributed around the eleventh axis, the fourth gear structure (531) is in meshed transmission with the third gear structure (7), and the eighth axis, the ninth axis, the tenth axis and the tenth axis are horizontally arranged along the eleventh axis.
  8. 8. The seat pan structure assembly according to claim 7, characterized in that the leg rest drive assembly (5) further comprises a sixth link (54), a first end of the sixth link (54) being rotatably connected to the third gear structure (7) about the eighth axis, a second end of the sixth link (54) being rotatably connected to the fourth gear structure (531) about the eleventh axis; And/or the leg rest driving assembly (5) further comprises a third connecting cross rod (55), the third connecting cross rod (55) extends along the eighth axis, the driving end (511) is connected with the middle of the third connecting cross rod (55), the leg rest supporting plate (6) is provided with two third gear structures (7), one third gear structure (7) is rotatably connected to the first end of the third connecting cross rod (55) around the eighth axis, and the other third gear structure (7) is rotatably connected to the second end of the third connecting cross rod (55) around the eighth axis.
  9. 9. A seat assembly comprising a seat body and a seat pan structure assembly as claimed in any one of claims 1 to 8, the seat pan structure assembly being attached to the seat body.
  10. 10. A vehicle is characterized in that, the vehicle comprising a seat assembly as claimed in claim 9.

Description

Seat basin structure assembly, seat assembly and vehicle Technical Field The application relates to the technical field of vehicle seats, in particular to a seat basin structure assembly, a seat assembly and a vehicle. Background As a key component affecting ride comfort, the degree of perfection of the adjusting function of a vehicle seat is directly related to the use experience of a user. To accommodate occupants of different sizes, vehicle seats are often required to have some adjustment capability to meet the individual seating requirements. In the prior art, the adjustment modes of the vehicle seat are generally focused on the forward and backward movement of the entire seat and the change of the backrest angle, and the support adjustment for the hip leg portion of the occupant is relatively single. Along with the continuous improvement of the requirements of users on riding comfort, a single adjusting mode of the traditional vehicle seat is difficult to fully adapt to the actual requirements of different passengers in the aspects of leg support, hip leg placement position, sitting posture angle and the like, so that fatigue is easy to be generated when the vehicle seat is ridden for a long time, and the actual riding experience is adversely affected. Disclosure of Invention The application mainly aims to provide a seat basin structure assembly, which aims to solve the technical problems that the existing vehicle seat is single in adjusting mode, and is difficult to fully adapt to actual demands of different passengers in the aspects of leg support, hip leg placement position, sitting posture angle and the like, so that long-time driving experience is poor. In order to achieve the above object, the present application provides a seat bowl structure assembly, comprising: A base; the cushion frame is movably connected to the base; The fixed part of the inclination angle adjusting component is arranged on the base, and the movable part of the inclination angle adjusting component is connected with the front side of the cushion frame; the inclination angle adjusting component is used for driving the front side of the cushion frame to swing relative to the rear side of the cushion frame on a vertical plane; The seat cushion comprises a seat cushion frame, a seat cushion, a lifting driving assembly and a lifting driving assembly, wherein the fixed part of the lifting driving assembly is arranged on the seat cushion frame, and the movable part of the lifting driving assembly is connected with the base; The seat cushion comprises a seat cushion frame, a leg support driving assembly, a leg support fixing part and a leg support driving assembly, wherein the fixing part of the leg support driving assembly is arranged on the front side of the seat cushion frame, the movable part of the leg support driving assembly is provided with a leg support plate, and the leg support driving assembly is used for driving the leg support plate to move forwards or backwards relative to the seat cushion frame. In one embodiment, the inclination angle adjusting assembly comprises a first driving device, a first connecting rod and a second connecting rod, wherein the lifting driving assembly comprises a second driving device and a third connecting rod; The first end of the first connecting rod is rotatably connected to the base around a first axis, the first end of the second connecting rod is rotatably connected to the second end of the first connecting rod around a second axis, and the front side of the cushion frame is rotatably connected to the second end of the second connecting rod around a third axis; The first end of the third connecting rod is rotatably connected to the base around a fourth axis, the rear side of the cushion frame is rotatably connected to the second end of the third connecting rod around a fifth axis, the fixed part of the second driving device is connected to the cushion frame, the movable part of the second driving device is connected with the third connecting rod, and the first axis, the second axis, the third axis, the fourth axis and the fifth axis are horizontally arranged along the left-right direction and are parallel to each other. In one embodiment, the inclination angle adjusting assembly further comprises a first gear structure, wherein the first gear structure is arranged on the second connecting rod, and teeth of the first gear structure are arranged around a sixth axis, and the sixth axis is parallel to the first axis; The first driving device comprises a first driving motor and a first driving gear, the first driving motor is connected with the first driving gear, the first driving gear is in meshed transmission with the first gear structure, and the first driving motor is used for driving the first driving gear to rotate so as to drive the second connecting rod to rotate relative to the first connecting rod through the first gear structure. In one embodiment, the inclination angle adjusti