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CN-224210939-U - Structure for lifting back-rest backward-turning seat cushion into bed and automobile seat

CN224210939UCN 224210939 UCN224210939 UCN 224210939UCN-224210939-U

Abstract

The utility model provides a bed lifting structure with a backrest turned backwards and a seat cushion and an automobile seat, and relates to the technical field of automobile seats. The seat cushion structure comprises a seat back, a seat bottom frame, a seat cushion, a seat back rotation driving piece and a seat cushion rotation driving piece, wherein the seat back is pivoted with the seat bottom frame, the seat back rotation driving piece is arranged at the pivot joint of the seat back and the seat bottom frame and used for controlling the rotation of the seat back, one end of the seat cushion is pivoted with the rear end of the seat bottom frame through a connecting rod assembly, the other end of the seat cushion is pivoted with the front end of the seat bottom frame through a connecting rod, the seat cushion rotation driving piece is fixedly arranged on the seat bottom frame, and the seat cushion rotation driving piece is in transmission connection with the connecting rod. The automobile seat comprises a backrest which is turned backwards and is lifted on a seat cushion to form a bed structure. The technical effect that the seat is put down to be in a horizontal state is achieved.

Inventors

  • ZHENG LUJU
  • ZHOU YANG
  • WANG MING

Assignees

  • 东实李尔汽车座椅有限公司技术中心

Dates

Publication Date
20260508
Application Date
20250530

Claims (10)

  1. 1. The back-to-back turnover seat cushion lifting bed structure is characterized by comprising a seat back (100), a seat bottom frame (200), a seat cushion (300), a back-to-back rotation driving piece (400) and a seat cushion rotation driving piece (500); The seat back (100) is pivoted with the seat bottom frame (200), and the back rotation driving piece (400) is arranged at the pivot joint of the seat back (100) and the seat bottom frame (200) and used for controlling the rotation of the seat back (100); one end of the seat cushion (300) is pivoted with the rear end of the seat bottom frame (200) through a connecting rod assembly (600), and the other end is pivoted with the front end of the seat bottom frame (200) through a connecting rod (310); The seat cushion rotation driving piece (500) is fixedly arranged on the seat bottom frame (200), and the seat cushion rotation driving piece (500) is in transmission connection with the connecting rod (310).
  2. 2. The back-flip seat cushion up-lifting to bed configuration of claim 1, wherein the linkage assembly (600) comprises a rocker arm (610) and a linkage (620); One end of the rocker arm (610) is pivoted with the seat bottom frame (200), and the other end is pivoted with the connecting rod (620); One end of the connecting rod (620) far away from the rocker arm (610) is fixedly connected with the seat cushion (300).
  3. 3. The back flip-up seat cushion lift-up bed structure according to claim 2, wherein the link (620) is fixedly connected to the rear end of the seat cushion (300).
  4. 4. The back-flip seat cushion lifting-up bed structure according to claim 1, wherein the middle part of the connecting rod (310) is fixedly provided with a switching rod (320), and the switching rod (320) is pivoted with the seat cushion rotation driving member (500).
  5. 5. The structure of the back-flip seat cushion lifting up to a bed according to claim 4, wherein a shock absorbing support block (330) is provided in the middle of the connecting rod (310), and a limit support groove (210) adapted to the shock absorbing support block (330) is provided on the seat bottom frame (200).
  6. 6. The back-flip seat cushion lift-up bed structure according to claim 5, wherein a shock pad is provided in the limit support groove (210).
  7. 7. The back-flip seat cushion lift-up bed configuration of any one of claims 1-6, wherein the seat cushion rotation drive (500) comprises a motor mount (510), a drive motor (520) and a drive screw (530); the motor mounting seat (510) is fixedly mounted on the seat bottom frame (200), the driving motor (520) is rotatably arranged on the seat bottom frame (200), and the driving screw rod (530) is mounted on the driving motor (520); The driving screw rod (530) is pivoted with the connecting rod (310) through the connecting rod (320).
  8. 8. The back-flip seat cushion lifting-up bed structure according to claim 7, wherein the motor mounting seat (510) is provided with a motor mounting hole (511), the driving motor (520) is provided with a screw driving seat (521), the screw driving seat (521) is inserted into the motor mounting hole (511), and the driving screw (530) is inserted into the screw driving seat (521); An arc-shaped groove (512) is formed in the motor mounting seat (510), and the driving screw rod (530) is located in the arc-shaped groove (512), so that when the driving screw rod (530) is driven by the driving motor (520), the driving screw rod (530) can swing along with the movement of the switching rod (320).
  9. 9. The back-flip seat cushion lift-up bed configuration of any one of claims 1-6 wherein said back-flip rotary drive (400) employs an electric recliner.
  10. 10. An automotive seat comprising a back flip-back seat cushion as claimed in any one of claims 1 to 9 raised to a bed configuration.

Description

Structure for lifting back-rest backward-turning seat cushion into bed and automobile seat Technical Field The utility model relates to the technical field of automobile seats, in particular to a bed structure formed by lifting a backrest backwards overturning seat cushion and an automobile seat. Background With the continuous development of the automobile industry, the demands of terminal clients and automobile host factories for providing rest modes for automobile seats are increasingly raised. According to the back rest of the passenger, the back rest is adjusted to the horizontal position, and the rear end of the cushion is lifted upwards to form a bed, so that the passenger can lie in a flat rest mode. However, in the prior art seat, the rear end of the cushion is raised upward to a horizontal state by the electric power of the rear-facing seat cushion of the temporary seat. Disclosure of utility model The utility model aims to provide a structure for lifting a back backward overturning seat cushion to a bed and an automobile seat, so as to solve the technical problem that no seat in the prior art is put down to a horizontal state temporarily. In a first aspect, an embodiment of the present utility model provides a structure in which a back-to-back flip seat cushion is lifted to a bed, including a seat back, a seat bottom frame, a seat cushion, a back rotation driving member, and a cushion rotation driving member; The backrest is pivoted with the seat bottom frame, and the backrest rotation driving piece is arranged at the pivot joint of the backrest and the seat bottom frame and used for controlling the rotation of the backrest; One end of the seat cushion is pivoted with the rear end of the seat bottom frame through a connecting rod assembly, and the other end of the seat cushion is pivoted with the front end of the seat bottom frame through a connecting rod; The seat cushion rotation driving piece is fixedly arranged on the seat bottom frame and is in transmission connection with the connecting rod. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the link assembly includes a rocker arm and a link, one end of the rocker arm is pivoted to the seat bottom frame, the other end of the rocker arm is pivoted to the link, and an end of the link away from the rocker arm is fixedly connected to the seat cushion. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, where the connecting rod is fixedly connected to a rear end of the seat cushion. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where a middle portion of the connecting rod is fixedly provided with a switching rod, and the switching rod is pivoted with the seat cushion rotation driving element. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein a shock-absorbing support block is disposed in a middle portion of the connecting rod, and a limit support groove adapted to the shock-absorbing support block is formed in the seat bottom frame. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where a shock pad is disposed in the limit support groove. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the seat cushion rotation driving element includes a motor mount, a driving motor, and a driving screw; The motor mounting seat is fixedly mounted on the seat bottom frame, the driving motor is rotatably arranged on the seat bottom frame, and the driving screw rod is mounted on the driving motor; The driving screw rod is pivoted with the connecting rod through a switching rod. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the motor mounting seat is provided with a motor mounting hole, the driving motor is provided with a screw rod driving seat, the screw rod driving seat is inserted into the motor mounting hole, and the driving screw rod is inserted into the screw rod driving seat; The motor mounting seat is provided with an arc-shaped groove, and the driving screw rod is positioned in the arc-shaped groove, so that when the driving motor drives the driving screw rod, the driving screw rod can swing along with the movement of the switching rod. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the backrest rotation driving member adopts an electric angle adjuster. In a second aspect, an embodiment of