Novel self-adaptive passenger car seat
By using an acceleration sensor in the adaptive passenger seat to control a motor to adjust the seat angle, the problem of discomfort during emergency braking or cornering is solved, thus improving ride comfort.
Patent Information
- Application Number
- CN202520922357.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-05-12
AI Technical Summary
When a vehicle brakes suddenly or makes an emergency turn, passengers may experience discomfort or even vomiting and motion sickness due to inertial or centrifugal forces.
An adaptive passenger car seat was designed that uses an acceleration sensor to detect the vehicle's status and controls a lead screw motor and a horizontal motor to adjust the seat's pitch and lateral tilt angles, while using a shock absorption device to improve ride comfort.
When the vehicle brakes suddenly or turns, the seat angle is automatically adjusted to reduce the impact of inertial and centrifugal forces on passengers, thereby improving ride comfort.
Smart Images
Figure CN223803457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of vehicle seat, in particular to a novel self-adaptive passenger vehicle seat. BACKGROUND
[0002] In recent years, with the popularity of electric vehicles, major manufacturers and end customers have put forward higher requirements for the comfort of seats, thus generating a new type of shock-absorbing seat. However, when the vehicle is in emergency braking or emergency turning, the human body still feels very uncomfortable due to the forward inertia force or outward centrifugal force caused by the emergency deceleration or turning of the vehicle, which may even cause adverse reactions such as vomiting and dizziness. SUMMARY
[0003] The purpose of the present application is to provide a self-adaptive passenger vehicle seat that can automatically adjust the pitch angle or left-right offset angle of the seat when the vehicle is in emergency braking or emergency turning.
[0004] The purpose of the present application is to solve the problem as follows:
[0005] A novel self-adaptive passenger vehicle seat, comprising a seat cushion and a backrest, the seat cushion comprising a rotating frame, a movable frame and a base, the rear part of the movable frame being hingedly connected to the rotating frame, and the front part being hingedly connected to a lead screw motor, the lead screw motor driving a first floating nut screwed on a rotating first lead screw to be hingedly connected to the front part of the rotating frame, the movable frame being suspended with a first lower slide rail in a transverse direction through a suspension arm in the middle part on the front and rear sides, respectively, the first lower slide rail being slidably provided with a first upper slide rail, and the same side of the two first upper slide rails being connected to a downwardly extending suspension arm, the base being hingedly connected to a rocker arm, the outer end of the rocker arm being hingedly connected to the outer end of the suspension arm, a horizontal motor and its transmission mechanism being provided on the first lower slide rail to drive the first upper slide rail to slide on the first lower slide rail while being limited by the rocker arm and simultaneously performing a certain angle of oscillation, a first acceleration sensor when the vehicle is braking, a second acceleration sensor when the vehicle is turning, and a controller being provided, the controller controlling the actions of the lead screw motor and the horizontal motor according to the acceleration signals transmitted by the first and second acceleration sensors.
[0006] As a further optimization of the above technical solution, the rotating frame comprises two side wall plates, a front cross tube welded to the front side of the two side wall plates, and a rear cross tube welded to the rear side of the two side wall plates, the rear part of the movable frame being hingedly connected to the rear cross tube, and the front part of the movable frame being hingedly connected to the first floating nut.
[0007] As a further optimization of the above technical solution, force receiving plates are provided on the front cross tube and the rear cross tube at intervals, and auxiliary supports extending forward are provided on the front cross tube, and seat cushions are provided on the force receiving plates and the auxiliary supports.
[0008] As a further optimization of the above technical solution, the cantilever comprises a horizontal plate fixed at the top of the first upper slide rail, a vertical plate with an axle hole extending downward along one end of the horizontal plate, and a pin shaft provided on the outer end of the rocker arm and extending into the axle hole to form a hinged connection.
[0009] As a further optimization of the above technical solution, the lower end of the vertical plate of the cantilever is first bent away from the side of the rocker arm and then bent upward to form a guide arm, a guide groove is provided on the side wall of the first lower slide rail close to the guide arm, and the upper part of the guide arm extends into the guide groove.
[0010] As a further optimization of the above technical solution, the horizontal motor is provided on the same side of the two first lower slide rails, the motor shaft of the horizontal motor drives a longitudinal transmission shaft to extend into the same side of the two first lower slide rails, the second floating nut screwed on each second screw shaft is connected to the first upper slide rail, and the rotation of the motor shaft of the horizontal motor drives the transmission shaft and the second screw shaft in turn, and then drives the second floating nut and the first upper slide rail to slide on the first lower slide rail.
[0011] As a further optimization of the above technical solution, a damping device is provided between the rotating frame and the movable frame.
[0012] As a further optimization of the above technical solution, the damping device comprises a damping air bag or a damping spring or / and a damper.
[0013] As a further optimization of the above technical solution, the lower connecting plate of the angle adjuster is fixed to the rear part of the rotating frame, and the upper connecting plate is fixed to the lower part of the backrest, and the inclination angle of the backrest is adjusted by the angle adjuster.
[0014] As a further optimization of the above technical solution, the lower part of the base is fixed to the second upper slide rail for adjusting the forward and backward movement of the seat, and the second upper slide rail is slidably arranged on the second lower slide rail.
[0015] When the vehicle is braking, the first acceleration sensor on the base 70 also sends a signal, and after the controller receives the acceleration signal, the adjusting screw rod motor is driven to move the first screw rod, so that the seat produces a pitching and forward leaning effect, and the adjustment angle can be 0-10 degrees. The change of the passenger's sitting angle causes the seat cushion to generate a reaction force to offset the negative acceleration caused by braking, thereby improving the phenomenon that the passenger slides forward due to inertia during braking, and further improving the riding comfort.
[0016] When the vehicle is turning, the second acceleration sensor installed on the base 70 sends a signal, and the controller controls the horizontal motor to quickly respond according to the lateral acceleration signal, drives the slide rail to move, drives the left and right rotating supports to move, so that the seat produces a corresponding inclination angle, the lateral (Y direction) adjustable angle is 0-±10 degrees, and part of the gravity is used to resist the centrifugal force generated due to the turning, so as to improve the feeling of being thrown out caused by the centrifugal force on the passenger, and improve the riding comfort. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the front view of the present application.
[0018] Figure 2 is one of the perspective schematic views of the present application.
[0019] Figure 3 is the second perspective schematic view of the present application.
[0020] Figure 4 is Figure 1 the enlarged view of A part of
[0021] Figure 5 is the perspective schematic view of the cantilever of the present application. DETAILED DESCRIPTION
[0022] The present application will be further described below with specific embodiments in combination with the drawings, referring to Figures 1-5 :
[0023] A novel self-adaptive passenger car seat comprises a seat cushion 14 and a backrest 10, the seat cushion 14 comprises a rotating frame, a movable frame 40 and a base 70, the rear part of the movable frame 40 is hingedly connected with the rotating frame, and the front part is hingedly connected with a screw rod motor 33, the screw rod motor 33 drives a first floating nut 31 screwed on a rotating first screw rod 32 to be hingedly connected to the front part of the rotating frame, the front and rear sides of the movable frame 40 are respectively suspended with a transverse first lower slide rail 51 through a cantilever 50 in the middle, a circumferential limiting first upper slide rail 52 is slidably arranged on the first lower slide rail 51, and the same side of the front and rear first upper slide rails 52 is connected with a downward extending cantilever 60, a rocker arm 64 is hingedly connected on the base 70, the outer end of the rocker arm 64 is hingedly connected with the outer end of the cantilever, a horizontal motor 53 and its transmission mechanism arranged on the first lower slide rail 51 drive the first upper slide rail 52 to swing by a certain angle (±10 degrees) while being limited by the rocker arm 64 when sliding on the first lower slide rail 51, a first acceleration sensor when the vehicle brakes, a second acceleration sensor when the vehicle turns and a controller are arranged on the base 70 or the vehicle, and the controller controls the actions of the screw rod motor 33 and the horizontal motor 53 according to the acceleration signals transmitted by the first and second acceleration sensors.
[0024] As a further optimization of the above technical solution, the rotating frame comprises left and right side wall plates 21, a front transverse pipe 22 welded to the front side of the side wall plates 21 and a rear transverse pipe 20 welded to the rear side of the side wall plates 21, the rear part of the movable frame 40 is hingedly connected to the rear transverse pipe 20, and the front part of the movable frame 40 is hingedly connected to the front transverse pipe 22.
[0025] As a further optimization of the above technical solution, force bearing plates 23 are arranged on the front transverse pipe 22 and the rear transverse pipe 20 at intervals, auxiliary supports 24 extending forward are arranged on the front transverse pipe 22, and seat cushions are arranged on the force bearing plates 23 and the auxiliary supports 24.
[0026] As a further optimization of the above technical solution, the cantilever 60 comprises a horizontal plate 61 fixed to the top of the first upper slide rail 52, a vertical plate 62 with an axle hole 67 extending downward along one end of the horizontal plate 61, and a pin shaft 65 arranged on the outer end of the rocker arm 64 extends into the axle hole 67 to form a hinged connection.
[0027] As a further optimization of the above technical solution, the lower end of the vertical plate 62 of the cantilever 60 is first bent away from the side of the rocker arm 64 and then bent upward to form a guide arm 63, a guide groove 66 is arranged on the side wall of the first lower slide rail 51 close to the guide arm 63, and the upper part of the guide arm 63 extends into the guide groove 66.
[0028] As a further optimization of the above technical solution, the horizontal motor 53 is arranged on the same side of the two first lower slide rails 51, the motor shaft of the horizontal motor 53 drives a longitudinal transmission shaft 54 to extend into the same side of the two first lower slide rails 51 to drive the second screw shafts in the two first lower slide rails 51 to rotate through a right-angle change (for example, through two umbrella-shaped gears), the upper part of the second floating nut 55 screwed on each second screw shaft is fixedly connected to the first upper slide rail 52, and the rotation of the motor shaft of the horizontal motor 53 drives the transmission shaft 54 and the second screw shaft to rotate in turn, thereby driving the second floating nut 55 and the first upper slide rail 52 to slide on the first lower slide rail 51.
[0029] As a further optimization of the above technical solution, a damping device is arranged between the rotating frame and the movable frame 40.
[0030] As a further optimization of the above technical solution, the damping device comprises a damping air bag or a damping spring or / and a damper.
[0031] As a further optimization of the above technical solution, the lower connecting plate 13 of the angle adjuster 12 is fixed to the rear part of the rotating frame, the upper connecting plate 11 is fixed to the lower part of the backrest 10, and the inclination angle of the backrest 10 is adjusted through the angle adjuster 12.
[0032] As further optimization of the above technical scheme, the lower part of the base 70 is fixed on the second upper slide rail 71 for adjusting the forward and backward movement of the seat, and the second upper slide rail 71 is slidably arranged on the second lower slide rail.
[0033] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still make simple replacements or modifications to the technical solutions or technical features recorded in the foregoing examples with similar technologies, and these simple replacements or modifications do not make the essence of the corresponding technical solutions deviate from the spirit and essence of the technical solutions of the embodiments of the present application, and still within the protection scope of the present application.
Claims
1. A new adaptive passenger car seat comprising a seat cushion and a backrest, characterized in that: The seat cushion comprises a rotating frame, a movable frame and a base, the rear part of the movable frame is hingedly connected with the rotating frame, the front part is hingedly connected with a screw rod motor, the screw rod motor drives a first floating nut screwed on a rotating first screw rod to be hingedly connected with the front part of the rotating frame, the front and rear sides of the movable frame are respectively suspended with a transverse first lower slide rail through a suspension arm in the middle part, a first upper slide rail is slidably arranged on the first lower slide rail, the same side of the front and rear first upper slide rails is connected with a downwardly extending suspension arm, a rocker arm is hingedly connected with the base, the outer end of the rocker arm is hingedly connected with the outer end of the suspension arm, a horizontal motor and its transmission mechanism arranged on the first lower slide rail drive the first upper slide rail to slide on the first lower slide rail and to swing at a certain angle while being limited by the rocker arm, a first acceleration sensor when the vehicle brakes, a second acceleration sensor when the vehicle turns and a controller are arranged, the controller controls the actions of the screw rod motor and the horizontal motor according to the acceleration signals transmitted by the first and second acceleration sensors.
2. A new adaptive passenger car seat as claimed in claim 1, wherein: The rotating frame comprises left and right side wall plates, a front transverse pipe welded on the front side of the two side wall plates and a rear transverse pipe welded on the rear side of the two side wall plates, the rear part of the movable frame is hingedly connected with the rear transverse pipe, and the front part of the movable frame is hingedly connected with the first floating nut.
3. A new adaptive passenger car seat as claimed in claim 2, wherein: Force bearing plates are arranged on the front transverse pipe and the rear transverse pipe at intervals, and seat cushions are arranged on the force bearing plates and the auxiliary supports.
4. A new adaptive passenger car seat as claimed in claim 1, wherein: The suspension arm comprises a horizontal plate fixed on the top of the first upper slide rail, a vertical plate with a shaft hole extending downward along one end of the horizontal plate, and a pin shaft arranged on the outer end of the rocker arm extends into the shaft hole to form a hinged connection.
5. A new adaptive passenger car seat as claimed in claim 4, wherein: The lower end of the vertical plate of the suspension arm is first bent away from the rocker arm side and then bent upward to form a guide arm, a guide groove is arranged on the side wall of the first lower slide rail close to the guide arm, and the upper part of the guide arm extends into the guide groove.
6. A new adaptive passenger car seat as claimed in claim 1, wherein: The horizontal motor is arranged on the same side of the two first lower slide rails, the motor shaft of the horizontal motor drives a longitudinal transmission shaft to extend into the same side of the two first lower slide rails, change the direction by 90 degrees, and drive the second screw shaft in the two first lower slide rails to rotate, the upper part of the second floating nut screwed on each second screw shaft is fixedly connected with the first upper slide rail, and the rotation of the motor shaft of the horizontal motor drives the transmission shaft and the second screw shaft to rotate in turn, and then drives the second floating nut and the first upper slide rail to slide on the first lower slide rail.
7. A new adaptive passenger car seat as claimed in claim 1, wherein: A damping device is arranged between the rotating frame and the movable frame.
8. A new adaptive passenger car seat as claimed in claim 7, wherein: The damping device comprises a damping air bag or a damping spring or / and a damper.
9. A new adaptive passenger car seat as claimed in claim 1, wherein: The lower connecting plate of the angle adjuster is fixed on the rear part of the rotating frame, and the upper connecting plate is fixed on the lower part of the backrest, and the inclination angle of the backrest is adjusted through the angle adjuster.
10. A new adaptive passenger car seat as claimed in claim 1, wherein: The lower part of the base is fixed on the second upper slide rail for adjusting the forward and backward movement of the seat respectively on both sides, and the second upper slide rail is slidably arranged on the second lower slide rail.