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CN-122008981-A - Seat adjusting device, seat and vehicle

CN122008981ACN 122008981 ACN122008981 ACN 122008981ACN-122008981-A

Abstract

The invention discloses a seat adjusting device, a seat and a vehicle, and relates to the technical field of vehicle seats, wherein the seat adjusting device comprises two sliding assemblies, a front supporting assembly, at least one front driving assembly, a rear supporting assembly and a cushion frame, wherein the front cross beam is connected with the sliding assemblies through a first front connecting rod and a second front connecting rod which are hinged with each other, the front driving assembly drives the first front connecting rod to swing, the rear supporting assembly is arranged on the rear side of the front supporting assembly, the rear supporting assembly comprises a rear cross beam and a rear connecting rod, one end of the rear connecting rod is hinged with the rear cross beam, the other end of the rear connecting rod is hinged with the sliding assembly, and a side connecting plate of the cushion frame is hinged with one ends of the front cross beam and the rear cross beam. The technical scheme provided by the invention can realize lifting of the front cross beam by driving the connecting rod to swing through the front driving component, and simultaneously adjusts the height of the rear cross beam by transmitting the connecting rod to the rear supporting component through the side connecting plate, so that the height and the angle of the cushion frame are adjusted at the same time, and the technical effect of improving the adjusting efficiency is achieved.

Inventors

  • LAN WEI
  • LIANG YAN
  • 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 adjustment apparatus, comprising: The two sliding assemblies are arranged at intervals in the left-right direction and extend in the front-back direction; The front support assembly comprises a front cross beam extending along the left-right direction and two front connecting rod mechanisms connecting the two ends of the front cross beam with the two sliding assemblies, each front connecting rod mechanism comprises a first front connecting rod and a second front connecting rod, one end of the first front connecting rod is hinged with the front cross beam, one end of the second front connecting rod is hinged with the sliding assembly, and the other end of the second front connecting rod is hinged with the other end of the first front connecting rod; The front driving assembly is arranged on the front supporting assembly and is in driving connection with the first front connecting rod so as to drive the first front connecting rod to swing; The rear supporting component is arranged at the rear side of the front supporting component and comprises a rear cross beam extending along the left-right direction, two rear connecting rods connecting the two ends of the rear cross beam with the two sliding components, one end of each rear connecting rod is hinged with the rear cross beam, the other end of each rear connecting rod is hinged with the sliding component, and The cushion frame is arranged on the front supporting component and the rear supporting component, the cushion frame comprises a side connecting plate extending along the front-rear direction, and the side connecting plate is hinged with one ends of the front cross beam and the rear cross beam.
  2. 2. The seat adjustment apparatus of claim 1 wherein the front drive assembly comprises: The front driving motor is fixedly arranged on the first front connecting rod; A first driving gear in transmission connection with the front driving motor, and And the first toothed plate is meshed with the first driving gear and is fixed with the front cross beam.
  3. 3. The seat adjusting device as defined in claim 2, wherein the first toothed plate is provided with a limit groove, and the front support assembly further includes a limit pin having one end fixedly mounted to the first front link and the other end extending into the limit groove so as to slide relative to the first toothed plate along the extending direction of the limit groove.
  4. 4. A seat adjustment apparatus as set forth in claim 3 wherein said front drive assembly further includes a rack fixedly mounted to said first toothed plate and engaged with said first drive gear.
  5. 5. A seat adjustment apparatus as claimed in claim 1 or 4 wherein there are two of the front drive assemblies and there are two of the front linkages.
  6. 6. The seat adjustment apparatus of claim 5 further comprising a synchronization controller electrically connected to both of the front drive assemblies for controlling the synchronization of the two front drive assemblies.
  7. 7. The seat adjustment apparatus of claim 1 further comprising a rear drive assembly, the rear drive assembly comprising: the rear driving motor is fixedly arranged on the side connecting plate; A second driving gear in driving connection with the rear driving motor and And the second toothed plate is fixedly arranged on the rear connecting rod and meshed with the second driving gear.
  8. 8. The seat adjustment apparatus of claim 7 wherein the front drive assembly includes a front drive motor for adjusting an angle between the first front link and the second front link; The driving end of the rear driving motor is arranged to be electrically connected and self-locked; the driving end of the front driving motor is provided with a mechanical self-lock.
  9. 9. A seat comprising a seat adjustment as claimed in any one of claims 1 to 8, and a seat cushion mounted to the seat adjustment by springs.
  10. 10. A vehicle comprising a seat as claimed in claim 9.

Description

Seat adjusting device, seat and vehicle Technical Field The invention relates to the technical field of vehicle seats, in particular to a seat adjusting device, a seat and a vehicle. Background Many conventional seats, especially early or partially economical vehicle seats, may have only a fore-aft sliding function, either alone height adjustment, or alone recliner. The height and the inclination angle of the seat cannot be quickly adjusted, and a seat adjusting device is needed to efficiently adjust the height and the inclination angle of the seat cushion. Disclosure of Invention The invention mainly aims to provide a seat adjusting device, a seat and a vehicle, and aims to provide the seat adjusting device for efficiently adjusting the height and the inclination angle of a seat cushion. The seat adjusting device comprises two sliding components, a front supporting component, at least one front driving component, a rear supporting component and a seat cushion frame, wherein the two sliding components are arranged at intervals in the left-right direction and extend in the front-rear direction, the front supporting component comprises a front cross beam extending in the left-right direction and two front connecting rod mechanisms connecting two ends of the front cross beam with the two sliding components, each front connecting rod mechanism comprises a first front connecting rod and a second front connecting rod, one end of the first front connecting rod is hinged with the front cross beam, one end of the second front connecting rod is hinged with the sliding component, the other end of the second front connecting rod is hinged with the other end of the first front connecting rod, the at least one front driving component is arranged on the front supporting component and is in driving connection with the first front connecting rod so as to drive the first front connecting rod to swing, the rear supporting component is arranged on the rear side of the front supporting component, the rear supporting component comprises a rear cross beam extending in the left-right direction, one end of the rear connecting rod is connected with the two sliding components, one end of the rear connecting rod is hinged with the two rear connecting rods, and one end of the rear connecting rod is hinged with the front connecting rod is hinged with one end of the front connecting rod, and the other end of the rear connecting rod is hinged with the front connecting rod, and the rear connecting rod is hinged with one end of the front connecting rod is hinged with the front connecting rod. In one embodiment, the front drive assembly includes: The front driving motor is fixedly arranged on the first front connecting rod; A first driving gear in transmission connection with the front driving motor, and And the first toothed plate is meshed with the first driving gear and is fixed with the front cross beam. In an embodiment, the first toothed plate is provided with a limiting groove, the front support assembly further comprises a limiting pin, one end of the limiting pin is fixedly mounted on the first front connecting rod, and the other end of the limiting pin extends into the limiting groove so as to slide relative to the first toothed plate along the extending direction of the limiting groove. In one embodiment, the front drive assembly further comprises a rack fixedly mounted to the first toothed plate and meshed with the first drive gear. In one embodiment, two front driving assemblies are provided and are provided corresponding to two front link mechanisms. In one embodiment, the seat adjusting device further comprises a synchronous controller electrically connected with the two front drive assemblies for controlling the synchronous movement of the two front drive assemblies. In one embodiment, the seat adjustment apparatus further comprises a rear drive assembly comprising: the rear driving motor is fixedly arranged on the side connecting plate; A second driving gear in driving connection with the rear driving motor and And the second toothed plate is fixedly arranged on the rear connecting rod and meshed with the second driving gear. In one embodiment, the front drive assembly includes a front drive motor for adjusting an included angle between the first front link and the second front link; The driving end of the rear driving motor is arranged to be electrically connected and self-locked; the driving end of the front driving motor is provided with a mechanical self-lock. The invention further provides a seat, which comprises a seat adjusting device and a seat cushion, wherein the seat cushion is installed on the seat adjusting device through a spring, the seat adjusting device comprises two sliding components, a front supporting component, at least one front driving component, a rear supporting component and a seat cushion frame, the two sliding components are arranged at intervals in the left-right direction and extend in the fron