A car seat with reliable back-to-front folding and flat laying, individual four-way adjustable seat cushion and large angle adjustable seat

Abstract

A reliable back-to-front folding flat seat cushion four-way adjustable seat angle adjustment automobile seat, including bottom frame, backrest, cushion; the height adjustment assembly, angle adjustment assembly are equipped between the cushion and the bottom frame, the height adjustment assembly includes high-tune motor, synchronous rod, high-low drive angle adjuster, the high-tune motor is fixed on the bottom frame, the synchronous rod is connected with high-low drive angle adjuster, the fixed part of high-low drive angle adjuster is installed on the bottom frame, the rotating part is connected with rear connecting rod, the rear connecting rod is connected with rear cross pipe, the side plate of cushion is rotatably connected with rear cross pipe; the angle adjustment assembly includes lead screw motor, lower front connecting rod, upper front connecting rod, synchronous cross pipe; the lead screw motor is fixed on the bottom frame, the end is connected with synchronous cross pipe, the lower front connecting rod is hinged with the bottom frame, the upper end is hinged with the upper front connecting rod, the upper front connecting rod is hinged with the side plate of cushion, and the synchronous cross pipe is arranged between the two lower front connecting rods. The seat can provide passengers with super large storage space and comfortable resting posture.

Description

Technical Field

[0001] This utility model belongs to the field of automotive seats, specifically relating to a reliable automotive seat with a backrest that can be folded forward and laid flat, and with the cushion adjustable in four directions and the seat adjustable at a large angle. Background Technology

[0002] Existing seats with backrests that fold forward and flatten cannot be adjusted to a large angle; existing seats with large-angle adjustment, especially those with deep side wings, cannot have their backrests folded forward and flattened, limiting their application scenarios and wasting interior space. For example, Chinese patent CN223546190 U discloses a utility model patent entitled "A Zero-Gravity Car Seat with Backrest Folding and Seat Cushion Lowering Functions." In this patent, the backrest and seat cushion are fixed together. To meet the requirement of a flat backrest, the rotation axis of the backrest is moved upward, resulting in poor comfort and numerous engineering restrictions on the seat's shape, leading to poor aesthetics. Therefore, it is necessary to design a reliable car seat with a backrest that folds forward and flattens, allows for four-way independent adjustment of the seat cushion, and enables large-angle seat adjustment. Summary of the Invention

[0003] In view of the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a reliable car seat that can be folded flat with the backrest facing forward, with the seat cushion individually adjustable in four directions and the seat angle adjustable. Depending on the vehicle usage scenario, this seat can make full use of the interior space and provide passengers with extra-large storage space and a comfortable resting posture.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A reliable car seat with a fold-down backrest that can be laid flat and allows for four-way independent adjustment of the seat cushion and large-angle seat adjustment, includes a base frame, a backrest, and a seat cushion. The backrest is connected to the base frame and is driven by an angle motor, with angle adjustment achieved via an angle adjuster. Both the backrest and seat cushion move independently. A height adjustment assembly and an angle adjustment assembly are provided between the seat cushion and the base frame. The height adjustment assembly includes a height adjustment motor, a synchronizing rod, and a height / lower drive angle adjuster. The height adjustment motor is fixed to the base frame and drives the synchronizing rod to rotate. Both ends of the synchronizing rod are connected to two height / lower drive angle adjusters to drive their rotation. The height adjustment mechanism is mounted on the base frame, with its rotating part connected to the rear connecting rod. The rear connecting rod is connected to the rear cross tube, and the side plate of the seat cushion is rotatably connected to the rear cross tube. The angle adjustment assembly includes a lead screw motor, a lower front connecting rod, an upper front connecting rod, and a synchronous cross tube. The lead screw motor is fixed to the base frame, and its drive rod is connected to the synchronous cross tube via a connector. The lower end of the lower front connecting rod is rotatably connected to the base frame, and its upper end is rotatably connected to the upper front connecting rod. The upper end of the upper front connecting rod is rotatably connected to the side plate of the seat cushion. The synchronous cross tube is positioned between the two lower front connecting rods.

[0006] As a preferred embodiment of this invention, the front end of the seat cushion is further provided with a leg support mechanism.

[0007] Advantages and beneficial effects of this utility model: The seat cushion is connected to the base frame and achieves Z-axis synchronous adjustment through a high-adjustment motor, a synchronizing rod, and an angle adjuster; the seat cushion achieves angle adjustment through a lead screw motor, a front connecting rod, and a synchronizing cross tube; the backrest is fixed to the base frame and driven by an angle motor, achieving backrest angle adjustment through an angle adjuster; the seat back and seat cushion can move independently, and together they can achieve forward folding and flattening of the backrest, independent four-way adjustment of the seat cushion, and large-angle adjustment of the seat; in actual use, depending on the vehicle usage scenario, the seat makes full use of the interior space, providing passengers with extra-large storage space and a comfortable resting posture. Attached Figure Description

[0008] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0009] Figure 1 A schematic diagram of the overall structure of the seat provided by this utility model;

[0010] Figure 2 Partial structural diagram of the seat provided by this utility model Figure 1 ;

[0011] Figure 3 Partial structural diagram of the seat provided by this utility model Figure 2 . Detailed Implementation

[0012] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0013] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0014] like Figures 1 to 3 As shown, this embodiment provides a reliable car seat with a fold-down backrest that can be independently adjusted in four directions and allows for large-angle seat adjustment. It includes a base frame 1, a backrest 2, and a seat cushion 3. The backrest 2 is connected (fixedly connected) to the base frame 1. The backrest is driven by an angle motor, and angle adjustment is achieved through an angle adjuster. Both the backrest and seat cushion move independently. A height adjustment assembly and an angle adjustment assembly are provided between the seat cushion 3 and the base frame 1. The height adjustment assembly includes a height adjustment motor 4, a synchronizing rod 5, and a height-low drive angle adjuster 6. The height adjustment motor 4 is fixed to the base frame 1 and drives the synchronizing rod 5 to rotate. Both ends of the synchronizing rod 5 are connected to two height-low drive angle adjusters 6, respectively, to drive the rotating parts of the height-low drive angle adjusters 6 to rotate. The fixed part of the adjustable angle device is installed on the bottom frame 1, and the rotating part of the height-low drive adjustable angle device is connected to the rear connecting rod 7. The rear connecting rod 7 is connected to the rear cross tube 8, and the side plate 9 of the seat cushion is rotatably connected to the rear cross tube 8. The angle adjustment assembly includes a lead screw motor 10, a lower front connecting rod 11, an upper front connecting rod 12, and a synchronous cross tube 13. The lead screw motor 10 is fixed on the bottom frame 1, and the drive rod of the lead screw motor is connected to the synchronous cross tube 13 through a connector. The lower end of the lower front connecting rod 11 is rotatably connected to the bottom frame 1 (e.g., hinged), and the upper end is rotatably connected to the upper front connecting rod 12 (e.g., hinged). The upper end of the upper front connecting rod 12 is rotatably connected to the side plate 9 of the seat cushion (e.g., hinged). The synchronous cross tube 14 is arranged between the two lower front connecting rods 11.

[0015] In this embodiment, the synchronous horizontal tube is welded to the lower front connecting rod. The seat cushion can be adjusted independently in terms of angle and height, or in combination with the height and angle. The backrest can also be adjusted independently or in combination with the seat cushion. When the seat cushion is adjusted independently, the rear connecting rod remains stationary. The angle is adjusted by a lead screw motor. Specifically, the lead screw motor moves (moves forward), driving the synchronous horizontal tube, which in turn drives the lower front connecting rod and the upper front connecting rod, thereby achieving angle adjustment. When the seat cushion is adjusted for height alone, the synchronous cross tube remains stationary. Height adjustment is achieved via the height adjustment motor. Specifically, the high-adjustment motor drives the synchronous rod, which in turn drives the height adjustment mechanism and the rear linkage, thus achieving height adjustment. When height and angle are adjusted together, the entire seat cushion can be adjusted for both height and angle. When the backrest and seat cushion are adjusted together, the seat back can be folded forward and the seat can be adjusted to a large angle. To fold the backrest forward and flatten it, first adjust the seat cushion, then fold the backrest forward, and adjust the seat cushion in the Z-axis direction to allow space for the backrest to lie flat. For large-angle seat adjustments, the backrest is tilted back, and then the seat cushion angle is adjusted.

[0016] Furthermore, in this embodiment, the front end of the seat cushion is also provided with a leg support mechanism 14. The leg support mechanism is a four-way adjustable leg support mechanism that can be flipped forward and extended and retracted. The leg support mechanism can be directly adopted from existing leg support mechanisms and is not an improvement of this application.

[0017] Furthermore, it should be noted that the specific adjustment method of the backrest and the specific installation method of the angle motor and the angle adjuster described in this embodiment can also be designed with reference to existing seats, and are not improvements of this application.

[0018] The above describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A reliable car seat that folds forward and flattens out, allows for four-way independent adjustment of the seat cushion, and enables large-angle seat adjustment, comprising a base frame, a backrest, and a seat cushion; characterized in that, The backrest is connected to the base frame and is driven by an angle motor, with angle adjustment achieved via an angle adjuster. Both the backrest and seat cushion move independently. A height adjustment assembly and an angle adjustment assembly are located between the seat cushion and the base frame. The height adjustment assembly includes a height adjustment motor, a synchronizing rod, and a height-low drive angle adjuster. The height adjustment motor is fixed to the base frame and drives the synchronizing rod to rotate. Both ends of the synchronizing rod are connected to two height-low drive angle adjusters, driving the rotating parts of the adjusters to rotate. The fixed parts of the height-low drive angle adjusters are mounted on the base frame. The rotating part of the height-lowering drive angle adjuster is connected to the rear link, which is connected to the rear cross tube. The side plate of the seat cushion is rotatably connected to the rear cross tube. The angle adjustment assembly includes a lead screw motor, a lower front link, an upper front link, and a synchronous cross tube. The lead screw motor is fixed on the bottom frame, and the drive rod of the lead screw motor is connected to the synchronous cross tube through a connector. The lower end of the lower front link is rotatably connected to the bottom frame, and the upper end is rotatably connected to the upper front link. The upper end of the upper front link is rotatably connected to the side plate of the seat cushion. The synchronous cross tube is located between the two lower front links.

2. The car seat according to claim 1, characterized in that: (The following text appears to be a separate, unrelated section and is not translated: "A reliable car seat that can be folded flat with the backrest facing forward, allows for four-way adjustment of the seat cushion, and enables large-angle adjustment of the seat itself.") The seat cushion is also equipped with a leg support mechanism at the front end.

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