Supporting mechanism for automobile seat after being put down

Abstract

The utility model relates to a supporting mechanism for an automobile seat after being put down, which comprises an extension backrest framework arranged on a seat backrest framework in a folded manner, the put-down seat backrest framework and the unfolded extension backrest framework are spliced into a bed, and a foot margin supporting mechanism is arranged below the extension backrest framework and / or the seat backrest framework. The foot margin supporting mechanism is used for automatically unfolding and supporting the put-down seat backrest framework and / or the unfolded extension backrest framework; the foot margin supporting mechanism comprises a driving supporting arm, a first driven supporting arm, a second driven supporting arm, a third driven supporting arm, a middle supporting leg and a rear supporting leg. The utility model has the advantages that the multi-connecting-rod mechanism capable of being automatically opened is added to serve as a foot margin supporting mechanism for supporting, so that the stability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile rear seats, in particular to a support mechanism for an automobile seat after the seat is laid down. 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 laying down the rear seats. However, in some models, the surface of the rear seat is uneven and the support is insufficient after being laid down. Content of the Utility Model

[0003] In view of the above problems, the purpose of the utility model is to provide a support mechanism for an automobile seat after the seat is laid down, which is used to provide better support ability and a more excellent lying experience for the laid-down seat backrest, so as to overcome the above-mentioned deficiencies of the prior art.

[0004] A support mechanism for an automobile seat after the seat is laid down provided by the utility model includes: an extended backrest frame foldably arranged on the seat backrest frame. The laid-down seat backrest frame and the unfolded extended backrest frame are spliced into a bed. The improvement is that a floor support mechanism is arranged below the extended backrest frame and / or the seat backrest frame. The floor support mechanism is used to automatically unfold and support the laid-down seat backrest frame and / or the unfolded extended backrest frame. The floor support mechanism includes: a main support arm, a first driven support arm, a second driven support arm, a third driven support arm, an intermediate leg, and a rear leg. The intermediate leg is hinged at a position near the top of the seat backrest frame. The rear leg is hinged at the bottom position of the extended backrest frame. One end of the main support arm is hinged to the rear leg, and the other end is hinged to the first driven support arm. One end of the first driven support arm is hinged at the bottom position of the extended backrest frame, and the other end is hinged to one end of the second driven support arm. The other end of the second driven support arm is hinged to one end of the third driven support arm. The other end of the third driven support arm is hinged to the intermediate leg. During the unfolding process of the extended backrest frame and the seat backrest frame, the main support arm is driven. The main support arm drives the rear leg to unfold and stand upright and drives the first driven support arm. The first driven support arm drives the second driven support arm. The second driven support arm drives the third driven support arm. The third driven support arm drives the intermediate leg to unfold and stand upright.

[0005] As a preference of the utility model, an extended backrest recovery strap is arranged between the extended backrest frame and the seat backrest frame. The extended backrest recovery strap is used to pull the extended backrest frame to be folded into a folded state.

[0006] Preferably, one end of the extension backrest recovery strap passes through the strip-shaped avoidance hole on the side of the seat backrest frame, and the other end of the extension backrest recovery strap passes through the strip-shaped avoidance hole opened on the side of the extension backrest frame. By pulling both ends of the extension backrest recovery strap, the extension backrest frame can be manually folded on the back of the seat backrest frame.

[0007] The beneficial effects of the present utility model are as follows:

[0008] 1. The present utility model enhances stability by adding a multi-link mechanism with automatic opening to act as a floor support mechanism.

[0009] 2. The unlocking process of the floor support mechanism of the present utility model does not require the occupant to leave the seat, and the mechanism itself does not need to adjust its posture too much, thereby improving the operation portability of the floor support mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] 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:

[0011] Figure 1 It is a schematic diagram of the floor support mechanism of this embodiment folded inside the seat backrest frame.

[0012] Figure 2 It is one of the overall structure schematic diagrams of the unfolding process of the floor support mechanism of this embodiment.

[0013] Figure 3 It is the second of the overall structure schematic diagrams of the unfolding process of the floor support mechanism of this embodiment.

[0014] Figure 4 It is the overall structure schematic diagram of the unfolded state of the floor support mechanism of this embodiment.

[0015] The reference numerals therein include: seat backrest frame 1, extension backrest frame 2, floor support mechanism 3, active support arm 301, first driven support arm 302, second driven support arm 303, third driven support arm 304, intermediate leg 305, rear leg 306, extension backrest recovery strap 4. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Refer to Figures 1-4As shown in the figure, a seat reclining support mechanism for an automobile seat provided in this embodiment includes: an extended backrest frame 2 foldably arranged on a seat backrest frame 1, and a floor support mechanism 3 arranged below the extended backrest frame 2 and the seat backrest frame 1; the floor support mechanism 3 is used to automatically unfold and support the reclined seat backrest frame 1 and the unfolded extended backrest frame 2; the floor support mechanism 3 is a six-link automatic unfolding and retracting structure, and the floor support mechanism 3 includes: a main support arm 301, a first driven support arm 302, a second driven support arm 303, a third driven support arm 304, an intermediate leg 305, and a rear leg 306. The intermediate leg 305 is hinged at a position near the top of the seat backrest frame 1, the rear leg 306 is hinged at the bottom position of the extended backrest frame 2, one end of the main support arm 301 is hinged to the rear leg 306, and the other end is hinged to the first driven support arm 302. One end of the first driven support arm 302 is hinged at the bottom position of the extended backrest frame 2, and the other end is hinged to one end of the second driven support arm 303. The other end of the second driven support arm 303 is hinged to one end of the third driven support arm 304, and the other end of the third driven support arm 304 is hinged to the intermediate leg 305. During the unfolding process of the extended backrest frame 2 and the seat backrest frame 1, the main support arm 301 is driven, the main support arm 301 drives the rear leg 306 to unfold and stand upright and drives the first driven support arm 302, the first driven support arm 302 drives the second driven support arm 303, the second driven support arm 303 drives the third driven support arm 304, and the third driven support arm 304 drives the intermediate leg 305 to unfold and stand upright.

[0017] In this embodiment, an extended backrest retraction strap 4 is arranged between the extended backrest frame 2 and the seat backrest frame 1. The extended backrest retraction strap 4 is used to pull the extended backrest frame 2 to be folded into a folded state. One end of the extended backrest retraction strap 4 passes through a strip-shaped avoidance hole on the side of the seat backrest frame 1, and the other end of the extended backrest retraction strap 4 passes through a strip-shaped avoidance hole opened on the side of the extended backrest frame 2. By pulling both ends of the extended backrest retraction strap 4, the extended backrest frame 2 is manually folded on the back of the seat backrest frame 1.

[0018] Working process:

[0019] 1. During the unfolding process of the extended backrest frame 2, the ground support mechanism 3 automatically opens and supports the bottom plate of the car trunk. Among them, when the seat back frame 1 is opened, the active support arm 301 drives the first driven support arm 302, the second driven support arm 303 and the third driven support arm 304 to open in a coordinated manner. The third driven support arm 304 pulls the middle support leg 305 to an upright state, and the active support arm 301 pulls the rear support leg 306 to an upright state; at that time, the extended backrest frame 1 and the seat back frame 1 can be kept completely horizontal, and the middle support leg 305 and the rear support leg 306 can provide the best support. The release of the ground support mechanism 3 is completely automatic during the entire folding process. During the seat folding process, the ground support mechanism 3 can be automatically recovered to the vacant position of the seat back frame 1 without taking up extra space.

[0020] 2. When the seat back frame 1 is retracted and the extended back frame 2 is folded inward, the extended back frame 2 is folded back to its initial position by pulling the extended back frame 4 at the same time.

[0021] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A seat reclining support mechanism for a vehicle seat, comprising: The extended backrest frame is folded and arranged on the seat backrest frame. The seat backrest frame after being laid down and the extended backrest frame after being unfolded are spliced into a bed. It is characterized in that a floor support mechanism is arranged below the extended backrest frame and / or the seat backrest frame. The floor support mechanism is used for automatically unfolding and supporting the seat backrest frame after being laid down and / or the extended backrest frame after being unfolded. The floor support mechanism includes: a main support arm, a first driven support arm, a second driven support arm, a third driven support arm, an intermediate leg, and a rear leg. The intermediate leg is hinged at a position near the top of the seat backrest frame. The rear leg is hinged at the bottom position of the extended backrest frame. One end of the main support arm is hinged to the rear leg, and the other end is hinged to the first driven support arm. One end of the first driven support arm is hinged at the bottom position of the extended backrest frame, and the other end is hinged to one end of the second driven support arm. The other end of the second driven support arm is hinged to one end of the third driven support arm. The other end of the third driven support arm is hinged to the intermediate leg. During the unfolding process of the extended backrest frame and the seat backrest frame, the main support arm is driven. The main support arm drives the rear leg to unfold and stand upright and drives the first driven support arm. The first driven support arm drives the second driven support arm. The second driven support arm drives the third driven support arm. The third driven support arm drives the intermediate leg to unfold and stand upright.

2. The seat reclining support mechanism for an automotive seat according to claim 1, characterized in that, An extended backrest recovery strap is arranged between the extended backrest frame and the seat backrest frame. The extended backrest recovery strap is used for pulling the extended backrest frame to be folded into a folded state.

3. The seat reclining support mechanism for an automotive seat according to claim 2, characterized in that, One end of the extended backrest recovery strap passes through a strip-shaped avoidance hole on the side of the seat backrest frame. The other end of the extended backrest recovery strap passes through a strip-shaped avoidance hole opened on the side of the extended backrest frame. By pulling both ends of the extended backrest recovery strap, the extended backrest frame is manually folded on the back of the seat backrest frame.

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