A three-row seat for a vehicle with a dual speed adjustment mechanism

Abstract

The application provides a three-row seat of a car with a double-speed adjusting mechanism, which comprises a three-row seat backrest welded framework, a backrest adjusting motor, a motor fixing bolt and a synchronous rod, the backrest adjusting motor is installed on the three-row seat backrest welded framework through the motor fixing bolt and is connected with the synchronous rod, the three-row seat backrest welded framework is rotatably connected on a seat framework through a backrest angle adjuster, the backrest adjusting motor is electrically connected with a first controller located at a trunk position through a wire harness, the backrest adjusting motor is connected with a second controller located at a seat side wall position through a wire harness, the first controller is used for controlling the three-row seat backrest framework assembly to be quickly flattened, the second controller is used for controlling the three-row seat backrest framework assembly to be slowly adjusted, the first controller and the second controller control the double-speed adjustment of the seat by adjusting the input voltage of the backrest adjusting motor; the application has the advantages that the three-row seat backrest can be quickly flattened and slowly and comfortably adjusted.

Description

Technical Field

[0001] This invention relates to the field of automotive seat technology, and specifically to a three-row automotive seat with a dual-speed adjustment mechanism that allows for quick backrest folding and slow comfort adjustment. Background Technology

[0002] To maximize trunk space and reduce passenger waiting time for seats to fold flat at the rear of the vehicle, seats need to fold flat quickly with a single touch. To help passengers find a comfortable angle when sitting in the third row, improving overall comfort, the backrests need to adjust slowly forward and backward. However, existing third-row seatbacks cannot simultaneously fulfill both functions. Therefore, a dual-speed adjustment mechanism is urgently needed to achieve both quick folding and slow comfort adjustment for the third-row seatbacks. Summary of the Invention

[0003] In view of the above problems, the purpose of the present invention is to provide a three-row car seat with a dual-speed adjustment mechanism, which enables the backrest of the three-row seats to be quickly laid flat and the seat to be slowly adjusted for comfort, so as to overcome the shortcomings of the prior art.

[0004] This invention provides a three-row car seat with a dual-speed adjustment mechanism, comprising: a three-row seat backrest assembly consisting of a three-row seat backrest frame assembly, backrest foam, upholstery, and wiring harness. The improvement is that the three-row seat backrest frame assembly includes: a welded three-row seat backrest frame, a backrest adjustment motor, motor fixing bolts, and a synchronizing rod. The backrest adjustment motor is mounted on the welded three-row seat backrest frame via the motor fixing bolts and connected to the synchronizing rod. The welded three-row seat backrest frame is rotatably connected to the seat frame via a backrest angle adjuster. The synchronizing rod is connected to angle adjusters on both sides of the bottom of the welded three-row seat backrest frame. The backrest adjustment motor is electrically connected to a first controller located in the trunk via the wiring harness, and also connected to a second controller located on the side of the seat via the wiring harness. The first controller controls the rapid flattening of the three-row seat backrest frame assembly, and the second controller controls the slow adjustment of the three-row seat backrest frame assembly. The first and second controllers control the dual-speed adjustment of the seat by adjusting the input voltage of the backrest adjustment motor.

[0005] As a preferred embodiment of this invention, the input voltage of the first controller to the backrest adjustment motor is 13.5V, and the first controller is a pulse width modulation (PWM) controller.

[0006] As a preferred embodiment of this invention, the input voltage of the second controller to the backrest adjustment motor is 10-12V, and the second controller is a pulse width modulation (PWM) controller.

[0007] The advantages and positive effects of this invention are: it saves time in folding down the seat while adding a comfort adjustment function; the quick folding function reduces the time passengers spend waiting for the seat to fold down at the rear of the vehicle; and the seat adjusts its angle slowly while passengers are seated, improving comfort. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the backrest adjustment motor of the present invention.

[0009] Figure 2 This is a schematic diagram of the motor fixing bolt of the present invention.

[0010] Figure 3 This is a schematic diagram of the synchronizing rod of the present invention.

[0011] Figure 4 This is a schematic diagram of the welded frame of the three-row seat backrests of the present invention.

[0012] Figure 5 This is a schematic diagram of the three-row seat back assembly of the present invention.

[0013] Figure 6 This is a schematic diagram of the backrest foam of the present invention.

[0014] Figure 7 This is a schematic diagram of the skin of the present invention.

[0015] Figure 8 This is a schematic diagram of the wiring harness of the present invention.

[0016] Figure 9 This is a schematic diagram showing the electrical connection between the three-row seat back assembly of the present invention and the first controller and the second controller.

[0017] Attached reference numerals: 1. Three-row seat back frame assembly; 2. Backrest foam; 3. Covering; 4. Wiring harness; 5. Three-row seat back assembly; 6. Three-row seat back welded frame; 7. Backrest adjustment motor; 8. Motor fixing bolt; 9. Synchronizing rod; 10. Second controller; 11. First controller. Detailed Implementation

[0018] In the following description, numerous specific details are set forth for illustrative purposes and to provide a thorough understanding of one or more embodiments. However, it will be apparent that these embodiments may also be implemented without these specific details. In other instances, well-known structures and devices are shown in block diagram form for ease of description of one or more embodiments.

[0019] See Figure 1-9This embodiment provides a three-row car seat with a dual-speed adjustment mechanism, including: a three-row seat backrest assembly 5 composed of a three-row seat backrest frame assembly 1, a backrest foam 2, a cover 3, and a wiring harness 4. The three-row seat backrest frame assembly 1 includes: a three-row seat backrest welded frame 6, a backrest adjustment motor 7, a motor fixing bolt 8, and a synchronizing rod 9. The backrest adjustment motor 7 is mounted on the three-row seat backrest welded frame 6 via the motor fixing bolt 8 and is connected to the synchronizing rod 9. The three-row seat backrest welded frame 6 is rotatably connected to the seat frame via a backrest angle adjuster, and the synchronizing rod... Rod 9 is connected to the angle adjusters on both sides of the bottom of the welded frame 6 of the third-row seat backrest. The seat backrest adjustment motor 7 is connected via wiring harness 4 to the first controller 11 located in the trunk. The seat backrest adjustment motor 7 is also connected via wiring harness 4 to the second controller 10 located on the side of the seat. The first controller 11 controls the rapid flattening of the third-row seat backrest frame assembly 1, while the second controller 10 controls the slow adjustment of the third-row seat backrest frame assembly 1. The first and second controllers control the dual-speed adjustment of the seat by adjusting the input voltage of the seat backrest adjustment motor 7. The input voltage of the first controller 11 to the seat backrest adjustment motor 7 is 13.5V, and the first controller is a pulse width modulation (PWM) controller. The input voltage of the second controller 10 to the seat backrest adjustment motor 7 is 10-12V, and the second controller is also a pulse width modulation (PWM) controller.

[0020] Working Principle: To assist passengers in finding a comfortable angle when sitting in the third row of seats and improve seating comfort, the backrests need to be adjusted slowly forward and backward. The third-row seat backrest assembly 5 is electrically connected to the second controller 10 located on the side of the seat to achieve the slow adjustment function. To increase the usable space in the trunk and reduce the time passengers spend waiting for the seats to fold flat at the rear of the vehicle, the seats need to be able to fold flat quickly with one touch. The third-row seat backrest assembly 5 is electrically connected to the first controller 11 located in the trunk to achieve the quick folding function. The first controller 11 and the second controller 10 adjust the input voltage of the seat motor 7 to achieve dual-speed seat adjustment, which saves time on folding flat and increases seating comfort.

[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 variations or substitutions that can be easily conceived by those 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 determined by the scope of the claims.

Claims

1. A three-row car seat with a dual-speed adjustment mechanism, comprising: A three-row seat backrest assembly, comprising a three-row seat backrest frame assembly, backrest foam, upholstery, and wiring harness, is characterized in that the three-row seat backrest frame assembly includes: a welded frame for the three-row seat backrest, a backrest adjustment motor, motor fixing bolts, and a synchronizing rod. The backrest adjustment motor is mounted on the welded frame for the three-row seat backrest via the motor fixing bolts and is connected to the synchronizing rod. The welded frame for the three-row seat backrest is rotatably connected to the seat frame via a backrest angle adjuster. The synchronizing rod is connected to the angle adjusters on both sides of the bottom of the welded frame for the three-row seat backrest. The backrest adjustment motor is electrically connected to a first controller located in the trunk via the wiring harness. The backrest adjustment motor is also connected to a second controller located on the side of the seat via the wiring harness. The first controller is used to control the three-row seat backrest frame assembly to quickly flatten, and the second controller is used to control the three-row seat backrest frame assembly to slowly adjust its position. The first and second controllers control the dual-speed adjustment of the seat by adjusting the input voltage of the backrest adjustment motor.

2. A three-row car seat with a dual-speed adjustment mechanism according to claim 1, characterized in that, The first controller has an input voltage of 13.5V for the backrest adjustment motor, and the first controller is a pulse width modulation controller.

3. A three-row car seat with a dual-speed adjustment mechanism according to claim 1, characterized in that, The second controller has an input voltage of 10-12V for the backrest adjustment motor, and the second controller is a pulse width modulation controller.

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