Cushion lifting mechanism for automobile seat

Abstract

The utility model relates to a cushion lifting mechanism for an automobile seat, which comprises a seat backrest framework with a laying-down function, the bottom of the seat backrest framework is rotatably connected to a cushion framework assembly through an angle adjuster, and the seat backrest framework is laid down backwards through the angle adjuster. A recliner lower connecting plate is mounted at the position, close to the recliner, of the bottom of the seat backrest framework, and the recliner lower connecting plate is connected with a cushion lifting mechanism and drives the cushion to ascend and descend; the cushion lifting mechanism is used for automatically adjusting the cushion framework to be flush with the laid-down seat backrest framework. The seat cushion lifting mechanism has the advantages that the seat cushion framework is automatically adjusted to the position flush with the seat backrest framework after being put down by adding the seat cushion lifting mechanism, and then the lying experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile rear seats, in particular to a seat cushion lifting mechanism for an automobile seat. Background Art

[0002] Nowadays, drivers have higher and higher requirements for vehicle space and riding experience. With the rapid economic development and the accelerating pace of life in cities, a moderately relaxing and spontaneous trip has also given rise to the rise of the tourism economy. To meet the travel needs of drivers, many automobile enterprises have launched the function of folding down the rear seats. However, after the rear seats of some models are folded down, the seat cushions cannot be flush with the folded-down seat backs, thus affecting the lying comfort. Content of the Utility Model

[0003] In view of the above problems, the purpose of the utility model is to provide a seat cushion lifting mechanism for an automobile seat, which is used to lift the height of the seat cushion so that it is flush with the folded-down seat back, in order to overcome the above-mentioned deficiencies of the prior art.

[0004] A seat cushion lifting mechanism for an automobile seat provided by the utility model includes: a seat back frame with a folding-down function, the bottom of the seat back frame is rotationally connected to the seat cushion frame assembly through an angle adjuster, the seat back frame is folded down backward through the angle adjuster, a lower connecting plate of the angle adjuster is installed at a position close to the angle adjuster at the bottom of the seat back frame, and the lower connecting plate of the angle adjuster is connected to the seat cushion lifting mechanism and drives the seat cushion to lift and lower; the seat cushion lifting mechanism is used to automatically adjust the seat cushion frame to be flush with the folded-down seat back frame, and the seat cushion lifting mechanism includes: a movable seat cushion frame, a strip-shaped sliding hole is opened at the rear end of the movable seat cushion frame, a hinge shaft connection hole is opened at the front end of the movable seat cushion frame, the movable seat cushion frame is connected to a seat cushion adjusting rotating shaft on the lower connecting plate of the angle adjuster through the strip-shaped sliding hole, a front hinge shaft is fixedly connected to a seat cushion fixing seat below the movable seat cushion frame, and the movable seat cushion frame is hinged to the front hinge shaft on the seat cushion fixing seat through the hinge shaft connection hole. During the process of the seat back frame being folded down backward, the lower end of the lower connecting plate of the angle adjuster drives the front end to rotate forward around the angle adjuster rotating shaft, the seat cushion adjusting rotating shaft on the lower connecting plate of the angle adjuster drives the rear end of the movable seat cushion frame to be lifted upward and be flush with the folded-down seat back frame, and at the same time, the front end of the movable seat cushion frame rotates upward on the seat cushion fixing seat through the front hinge shaft, so that the movable seat cushion frame is flush with the folded-down seat back frame.

[0005] The beneficial effects of the utility model are as follows:

[0006] 1. The present utility model aims at the problem that after the seat backrest frame is laid down, the seat cushion cannot be flush with the laid-down seat backrest frame, thus affecting the lying comfort. By adding a seat cushion lifting mechanism, the seat cushion frame can be automatically adjusted to a position flush with the laid-down seat backrest frame, thereby improving the lying experience.

[0007] 2. The seat cushion lifting mechanism of the present utility model can automatically adjust the height following the seat backrest frame, thereby improving the operation portability. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] By referring to the following description in conjunction with the drawings, and with a more comprehensive understanding of the present utility model, other objects and results of the present utility model will become more apparent and easier to understand. In the drawings:

[0009] Figure 1 is a schematic diagram of the overall structure of the seat cushion lifting mechanism before lifting in this embodiment.

[0010] Figure 2 is a schematic diagram of the overall structure of the seat cushion lifting mechanism after lifting in this embodiment.

[0011] The reference numerals therein include: seat backrest frame 1, angle adjuster 2, seat cushion fixing seat 3, seat cushion lifting mechanism 4, movable seat cushion frame 401, strip-shaped sliding hole 402, hinge shaft connection hole 403, seat cushion adjusting rotating shaft 404, front end hinge shaft 405, angle adjuster lower connecting plate 5, angle adjuster rotating shaft 6. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0012] Embodiment 1

[0013] Referring to Figure 1-2 as shown, a seat cushion lifting mechanism for an automobile seat with a rear seat reclining mechanism provided in this embodiment includes: a seat backrest frame 1 with a reclining function, the bottom of the seat backrest frame 1 is rotatably connected to the seat cushion fixing seat 3 of the seat cushion frame assembly through an angle adjuster 2, the seat backrest frame 1 is reclined backward through the angle adjuster 2, an angle adjuster lower connecting plate 5 is installed at a position near the angle adjuster 2 at the bottom of the seat backrest frame 1, and the angle adjuster lower connecting plate 5 is connected to the seat cushion lifting mechanism 4 and drives the seat cushion to lift and lower; the seat cushion lifting mechanism 4 is used to automatically adjust the movable seat cushion frame 401 of the seat cushion frame assembly to be flush with the reclined seat backrest frame 1; the seat cushion lifting mechanism 4 includes: a movable seat cushion frame 401, a strip-shaped sliding hole 402 is opened at the rear end of the movable seat cushion frame 401, a hinge shaft connection hole 403 is opened at the front end of the movable seat cushion frame 401, the movable seat cushion frame 401 is connected to the seat cushion adjusting rotating shaft 404 on the angle adjuster lower connecting plate 5 through the strip-shaped sliding hole 402, a front end hinge shaft 405 is fixedly connected to the seat cushion fixing seat 3 below the movable seat cushion frame 401, and the movable seat cushion frame 401 is hinged to the front end hinge shaft 405 on the seat cushion fixing seat 3 through the hinge shaft connection hole 403.

[0014] Working process: During the backward reclining process of the seat backrest frame 1, the lower end of the lower connecting plate 5 of the recliner drives the forward rotation around the recliner rotation shaft 6. The seat cushion adjustment rotation shaft 404 on the lower connecting plate 5 of the recliner drives the rear end of the movable seat cushion frame 401 to be lifted upward and level with the reclined seat backrest frame 1. At the same time, the front end of the movable seat cushion frame 401 rotates upward on the seat cushion fixing seat 3 through the front hinge shaft 405, making the movable seat cushion frame 401 level with the reclined seat backrest frame 1.

[0015] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A seat cushion lifting mechanism for an automobile seat, characterized by Including: A seat backrest frame with a reclining function, the bottom of the seat backrest frame is rotatably connected to the seat cushion frame assembly through an angle adjuster, the seat backrest frame is reclined backward through the angle adjuster, and an angle adjuster lower connecting plate is installed at a position near the angle adjuster at the bottom of the seat backrest frame. The angle adjuster lower connecting plate is connected to the seat cushion lifting mechanism and drives the seat cushion to lift and lower; The seat cushion lifting mechanism is used to automatically adjust the seat cushion frame to be flush with the reclined seat backrest frame. The seat cushion lifting mechanism includes: a movable seat cushion frame, a strip-shaped sliding hole is opened at the rear end of the movable seat cushion frame, a hinge shaft connection hole is opened at the front end of the movable seat cushion frame, the movable seat cushion frame is connected to the seat cushion adjustment rotating shaft on the angle adjuster lower connecting plate through the strip-shaped sliding hole, a front end hinge shaft is fixedly connected to the seat cushion fixing seat below the movable seat cushion frame, and the movable seat cushion frame is hinged to the front end hinge shaft on the seat cushion fixing seat through the hinge shaft connection hole. During the process of the seat backrest frame reclining backward, the lower end of the angle adjuster lower connecting plate is driven to rotate forward around the angle adjuster rotating shaft, the seat cushion adjustment rotating shaft on the angle adjuster lower connecting plate drives the rear end of the movable seat cushion frame to lift upward and be flush with the reclined seat backrest frame. At the same time, the front end of the movable seat cushion frame rotates upward on the seat cushion fixing seat through the front end hinge shaft, so that the movable seat cushion frame is flush with the reclined seat backrest frame.

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