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CN-224210934-U - Seat zero gravity mode cushion front lifting structure and automobile seat

CN224210934UCN 224210934 UCN224210934 UCN 224210934UCN-224210934-U

Abstract

The utility model provides a seat zero gravity mode cushion front lifting structure and an automobile seat, and relates to the technical field of automobile seat equipment. The seat zero gravity mode cushion front lifting structure comprises a seat frame, a front lifting assembly and a seat base, wherein the front end of the seat frame is arranged on the seat base through the front lifting assembly, the tail end of the seat frame is pivoted on the seat base, the front lifting assembly comprises a driving motor, a driving toothed plate and a lifting swing arm, one end of the driving toothed plate is sleeved on a lower transverse tube of the seat base, the other end of the driving toothed plate is connected with the seat frame through the lifting swing arm, the driving motor is arranged on the seat base and is in transmission connection with the toothed plate, the driving motor is positioned in front of the lower transverse tube, and the driving toothed plate is positioned between the driving motor and the lower transverse tube. The car seat comprises a seat zero gravity mode cushion front lifting structure. The technical effect of reducing the occupied space of the lifting structure is achieved.

Inventors

  • ZHAO LIWEI
  • ZHOU QING
  • YE WENXIN

Assignees

  • 东实李尔汽车座椅有限公司技术中心

Dates

Publication Date
20260508
Application Date
20250509

Claims (10)

  1. 1. The seat zero gravity mode cushion front lifting structure is characterized by comprising a seat frame (100), a front lifting assembly (200) and a seat base (300); The front end of the seat frame (100) is arranged on the seat base (300) through the front lifting assembly (200), and the tail end of the seat frame (100) is pivoted on the seat base (300); The front lifting assembly (200) comprises a driving motor (210), a driving toothed plate (220) and a lifting swing arm (230), one end of the driving toothed plate (220) is sleeved on a lower transverse tube (310) of the seat base (300), the other end of the driving toothed plate is connected with the seat base frame (100) through the lifting swing arm (230), the driving motor (210) is arranged on the seat base (300), and the driving motor (210) is in transmission connection with the toothed plate (222); The driving motor (210) is positioned in front of the lower transverse tube (310), and the driving toothed plate (220) is positioned between the driving motor (210) and the lower transverse tube (310).
  2. 2. The seat zero gravity mode cushion front lifting structure according to claim 1, wherein a front end of the seat frame (100) is provided with a front transverse tube (110), and one end of the lifting swing arm (230) away from the driving toothed plate (220) is sleeved on the front transverse tube (110).
  3. 3. The seat zero gravity mode cushion front lifting structure according to claim 1, wherein the rear end of the seat frame (100) has a rear cross tube (120), and the rear end of the seat base (300) is provided with a connecting seat for connecting with the rear cross tube (120).
  4. 4. The seat zero gravity mode cushion front lifting structure according to claim 1, wherein an outer side of the seat base (300) has a mount (320) for mounting the drive motor (210), the drive motor (210) being mounted on the mount (320) by bolts.
  5. 5. The seat zero gravity mode cushion front lifting structure according to claim 4, characterized in that an output end of the drive motor (210) is provided with a drive gear (211) for meshing with the drive toothed plate (220).
  6. 6. The seat zero gravity mode cushion front lifting structure according to any one of claims 1-5, wherein the drive toothed plate (220) comprises a drive plate (221), a toothed plate (222) and a connecting rod (223) for pivoting with the lifting swing arm (230); The driving plate (221) is provided with a connecting hole (225) which is sleeved on the lower transverse tube (310), and the toothed plate (222) is positioned between the connecting hole (225) and the connecting rod (223).
  7. 7. The seat zero gravity mode cushion front lifting structure according to claim 6, wherein the drive rack (220) is 9-shaped.
  8. 8. The seat zero gravity mode cushion front lifting structure according to claim 6, wherein a limit arc groove (224) is formed in the driving plate (221), a limit stop lever (330) is arranged on the seat base (300), and the limit stop lever (330) is located in the limit arc groove (224); the limiting arc groove (224) is located between the toothed plate (222) and the connecting hole (225).
  9. 9. The seat zero gravity mode cushion front lifting structure according to claim 8, wherein a protective cover plate (340) capable of shielding a drive gear (211) of the drive motor (210) is provided on an inner side of the seat base (300); One end of the protective cover plate (340) is fixedly arranged on the seat base (300), and the other end of the protective cover plate is fixedly arranged on the limit stop lever (330).
  10. 10. An automotive seat comprising a seat zero gravity mode cushion forward lifting structure as claimed in any one of claims 1 to 9.

Description

Seat zero gravity mode cushion front lifting structure and automobile seat Technical Field The utility model relates to the technical field of automobile seat equipment, in particular to a seat zero gravity mode cushion front lifting structure and an automobile seat. Background At present, the automobile cabin pursues extremely comfortable riding, the posture of the zero-gravity seat forms a certain included angle with the thighs according to the trunk, the pressure of muscles and bones is minimum, and the blood flow is smoother, so that a nearly moderate relaxation state is realized to relieve sitting fatigue. However, the front end lifting structure of the zero gravity seat in the prior art is arranged in the middle of the seat bottom, and occupies the space of the seat bottom, so that other electrical components and control components are inconvenient to layout. Disclosure of utility model The utility model aims to provide a seat zero gravity mode cushion front lifting structure and an automobile seat, so as to solve the technical problem that the lifting structure occupies a large space in the prior art. In a first aspect, an embodiment of the present utility model provides a seat zero gravity mode cushion front lift structure, including a seat frame, a front lift assembly, and a seat base; The front end of the seat frame is arranged on the seat base through the front lifting assembly, and the tail end of the seat frame is pivoted on the seat base; The front lifting assembly comprises a driving motor, a driving toothed plate and a lifting swing arm, one end of the driving toothed plate is sleeved on a lower transverse tube of the seat base, the other end of the driving toothed plate is connected with the seat frame through the lifting swing arm, the driving motor is arranged on the seat base, and the driving motor is in transmission connection with the toothed plate; The driving motor is positioned in front of the lower transverse tube, and the driving toothed plate is positioned between the driving motor and the lower transverse tube. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein a front transverse tube is provided at a front end of the seat frame, and an end of the lifting swing arm, which is far away from the driving toothed plate, is sleeved on the front transverse tube. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where a rear transverse tube is disposed at a tail end of the seat frame, and a connection seat for connecting with the rear transverse tube is disposed at a tail end of the seat base. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein a mounting seat for mounting the driving motor is provided on an outer side of the seat base, and the driving motor is mounted on the mounting seat through a bolt. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein an output end of the driving motor is provided with a driving gear for meshing with the driving toothed plate. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, where the driving toothed plate includes a driving plate, a toothed plate, and a connecting rod for pivotally connecting with the lifting swing arm; The driving plate is provided with a connecting hole used for being sleeved on the lower transverse tube, and the toothed plate is positioned between the connecting hole and the connecting rod. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, where the driving toothed plate is 9-shaped. With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the driving plate is provided with a limiting arc groove, and the seat base is provided with a limiting stop lever, and the limiting stop lever is located in the limiting arc groove; The limiting arc groove is positioned between the toothed plate and the connecting hole. With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein a protective cover plate capable of shielding a driving gear of the driving motor is disposed on an inner side of the seat base; One end of the protective cover plate is fixedly arranged on the seat base, and the other end of the protective cover plate is fixedly arranged on the limit stop lever. In a second aspect, an embodiment of the present utility model provides an automobile seat, including the seat zero gravity mode c