Seat, vehicle and control method of vehicle

Abstract

The invention discloses a seat, a vehicle and a control method of the vehicle, the seat is used for being installed on the vehicle body, and the seat comprises a seat moving assembly used for being installed on the vehicle body; the seat body is mounted at the output end of the seat moving assembly and can move relative to the vehicle body under the driving of the seat moving assembly; the cushion assembly comprises a cushion driving unit and a cushion, the cushion is driven by the cushion driving unit, and the cushion is switched between an auxiliary position forming an angle with the seat body and a sitting position attached to the seat body; the pedal assembly comprises a pedal driving unit and a pedal, the pedal is driven by the pedal driving unit, and the pedal is switched among a folding position close to the seat body, a rising position away from the seat body and an unfolding position away from the seat body and lower than the rising position. The problem that the elderly and the disabled have difficulty in getting on and off is solved, the riding experience of the elderly and the disabled is greatly improved, the safety of passengers is protected in the getting on and off process, and the risk of accidents is reduced.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, and particularly relates to a seat, a vehicle, and a method for controlling the vehicle. Background Technology

[0002] With societal development, cars have gradually become commonplace in households, bringing great convenience to people's lives. However, as the aging population continues to grow, cars are also evolving towards greater age-friendliness. The elderly experience a decline in physical fitness and are more sensitive to uncomfortable stimuli than younger people, often facing mobility difficulties. Traditional car seats are inconvenient for the elderly to get in and out of vehicles. Summary of the Invention

[0003] This application aims to address at least one of the technical problems existing in the prior art. To this end, this application proposes a seat, a vehicle, and a vehicle control method to facilitate getting on and off the vehicle for the elderly and people with mobility impairments, thereby improving the riding experience.

[0004] In a first aspect, this application provides a seat for mounting on a vehicle body, the seat comprising: Seat movement assembly for installation on the vehicle body; The seat body is installed at the output end of the seat moving component and can move relative to the vehicle body under the drive of the seat moving component; The seat cushion assembly includes a seat cushion drive unit and a seat cushion. The seat cushion drive unit is mounted on the seat body, and the seat cushion is mounted on the seat cushion drive unit. The seat cushion is driven by the seat cushion drive unit and switches between an auxiliary position set at an angle to the seat body and a seating position that conforms to the seat body. The pedal assembly includes a pedal drive unit and a pedal. The pedal drive unit is mounted on the output end of the seat movement assembly, and the pedal is mounted on the pedal drive unit. The pedal is driven by the pedal drive unit and switches between a folded position close to the seat body, a raised position away from the seat body, and an unfolded position away from the seat body and at a height lower than the raised position.

[0005] According to the seat of this application, the seat body and the pedal assembly are synchronously adjusted via a seat moving component, bringing the seat closer to the vehicle door for easier passenger entry and exit. The seat cushion provides assistance and cushioning in its auxiliary position, making entry and exit easier. The pedal, in its extended position, reduces the height difference, facilitating standing and sitting. These three components work together to effectively solve the problem of difficulty in getting in and out of vehicles for the elderly and those with mobility impairments, greatly improving their riding experience. Simultaneously, they provide safety protection for passengers during entry and exit, reducing the risk of accidents.

[0006] According to one embodiment of this application, the seat moving assembly includes: The X-axis drive unit is used for fixed installation on the vehicle body; The drive unit is installed at the output end of the X-direction drive unit to move along the X direction of the vehicle body under the drive of the X-direction drive unit. The Y-axis drive unit is installed at the output end of the drive unit to rotate around the Z-axis of the vehicle body under the drive of the drive unit. The seat body and pedal drive unit are both installed at the output end of the Y-axis drive unit. The Y-axis drive unit drives the seat body and pedal drive unit to move along the Y-axis of the vehicle body.

[0007] According to one embodiment of this application, the X-direction drive unit includes an X-direction guide slide, an X-direction drive, an X-direction transmission mechanism, and an X-direction slide. The X-direction guide slide is fixedly installed on the vehicle body, and the X-direction slide slides in sliding engagement with the X-direction guide slide. The X-direction drive is connected to the X-direction slide. The first fixed part of the X-direction transmission mechanism is fixedly connected to the X-direction guide slide, and the first movable part of the X-direction transmission mechanism is dynamically coupled to the X-direction drive to drive the X-direction slide, the X-direction drive, and the drive unit to move relative to the X-direction guide slide along the X-direction of the vehicle body. The drive unit includes a fixed disk, a turntable, and a drive mechanism. The fixed disk is fixedly connected to the X-axis sliding member. The turntable is rotatably mounted on the fixed disk. The drive mechanism is mounted on the fixed disk, and the output end of the drive mechanism is dynamically coupled to the turntable to drive the turntable to rotate relative to the fixed disk around the Z-axis. The Y-direction drive unit includes a Y-direction guide slide, a Y-direction drive component, a Y-direction transmission mechanism, and a Y-direction slide. The Y-direction guide slide is fixedly connected to the turntable, and the Y-direction slides slide against each other. The seat body and the pedal drive unit are both mounted on the Y-direction slide. The Y-direction drive component is connected to the Y-direction slide. The second fixed part of the Y-direction transmission mechanism is fixedly connected to the Y-direction guide slide, and the second movable part of the Y-direction transmission mechanism is power-coupled with the Y-direction drive component to drive the Y-direction slide, the Y-direction drive component, the seat body, and the pedal drive unit to move relative to the Y-direction guide slide along the Y-direction of the vehicle body.

[0008] According to one embodiment of this application, the driving mechanism includes: The power unit is installed on the side of the fixed plate opposite to the turntable; The drive wheel is mounted on the side of the fixed disc facing the turntable and is powered and coupled to the output end of the power component; The driven wheel is installed on the side of the turntable facing the fixed plate. The driven wheel meshes with the drive wheel to drive the turntable to rotate under the drive of the drive wheel.

[0009] According to one embodiment of this application, the driving mechanism further includes: The power shaft is power-coupled to the output end of the power component, and the power shaft is equipped with limit teeth. The driven shaft is fixedly connected to the drive wheel and is arranged coaxially with the drive shaft; The lock cylinder is sleeved on the driven shaft and is movable along the axial direction of the driven shaft. The end of the lock cylinder facing the power shaft is provided with a limiting groove. The bottom of the limiting groove is provided with a guide slope that is set at an angle to the radial direction of the power shaft. The limiting tooth abuts against the guide slope. The lock sleeve is fixedly installed on the fixed plate and located on the side of the lock cylinder near the drive shaft, and it cooperates to limit the movement when the lock cylinder is in contact with the lock sleeve; A reset element, connected between the lock cylinder and the fixed plate, applies an elastic force toward the lock sleeve to the lock cylinder; When the power shaft rotates, the limiting tooth slides along the guide slope to the first limiting position, so that the lock cylinder overcomes the action of the reset member, separates from the lock sleeve, unlocks, and rotates; when the power shaft stops rotating, the lock cylinder moves towards the lock sleeve under the action of the reset member and cooperates with the lock sleeve for limiting, and the limiting tooth slides relative to the guide slope to the second limiting position.

[0010] According to one embodiment of this application, a power roller is rotatably connected to one end of the limiting tooth facing the guide slope, and the power roller is in rolling connection with the guide slope.

[0011] According to one embodiment of this application, the reset member includes a spring, which is sleeved outside the driven shaft, and an annular support cover is provided at the end of the spring facing the lock cylinder. The lock cylinder has a lock cylinder roller at the end facing the spring, and the lock cylinder roller abuts against the annular support cover; and / or, The lock cylinder has multiple limiting posts at the end facing the spring, and these limiting posts are distributed circumferentially along the annular support cover.

[0012] According to one embodiment of this application, the seat further includes: The arm is mounted on the back of the seat body; The arm drive unit is installed on the backrest and is poweredly coupled to the environmentally friendly arm to drive the arm to switch between an enclosing position that extends out of the backrest and forms an enclosing space with the backrest and a retracted position that is located inside the backrest.

[0013] According to one embodiment of this application, a plurality of circumferential arms are provided distributed along the Z-direction, and a circumferential arm drive unit is used to drive one of the plurality of circumferential arms to move.

[0014] Secondly, this application provides a vehicle comprising: The vehicle body has a passenger compartment; The seat, as described in any of the technical solutions in the first aspect, is installed on the vehicle body and located in the passenger compartment.

[0015] The beneficial effects of the vehicle provided in the second aspect of this application are the same as those of the seat provided in the first aspect, and will not be repeated here.

[0016] Thirdly, this application provides a control method for a vehicle according to the second aspect, the control method comprising: In response to the passenger boarding signal, the seat moving assembly is controlled to drive the seat body to the door and make the seat body face outwards from the door. The seat cushion driving unit is controlled to drive the seat cushion to switch to the auxiliary position, and the pedal driving unit is controlled to drive the pedal to switch to the unfolded position. In response to the occupant's seating signal, the pedal drive unit is controlled to switch the pedal to the raised position, then the seat cushion drive unit is controlled to switch the seat cushion to the seating position, then the pedal drive unit is controlled to switch the pedal to the folding position, and then the seat moving assembly is controlled to move the seat body into the passenger compartment and make the seat body face the front of the vehicle. In response to the passenger exit signal, the seat moving assembly is controlled to drive the seat body to the door and face the door outward. The seat cushion driving unit is controlled to drive the seat cushion to switch to the auxiliary position, and the pedal driving unit is controlled to drive the pedal to switch to the unfolded position. In response to the seat closing signal, the control pedal drive unit drives the pedal to switch to the folding position, then controls the seat cushion drive unit to switch the seat cushion to the sitting position, and then controls the seat moving assembly to move the seat body into the passenger compartment and make the seat body face the front of the vehicle.

[0017] The vehicle control method described in this application enables the seat's various actions to be completed automatically in an optimal sequence, greatly simplifying the process of getting on and off the vehicle for the elderly and those with mobility impairments, and improving the convenience and safety of getting on and off. At the same time, automated control ensures the coordination and accuracy of the actions of each component, avoiding errors that may occur with manual operation, further enhancing the passenger experience and making the vehicle more suitable for age-friendly design.

[0018] According to one embodiment of this application, in response to a passenger boarding signal, the control method further includes: Obtain target physiological data of the target passenger, including at least one of height data, gender data, and weight data; The target seat cushion lifting height and target seat body displacement data are obtained based on the target physiological data and the seat adjustment parameter model. The seat adjustment parameter model is trained by taking the sample physiological data of several human subjects as input. In response to a passenger boarding signal or a passenger alighting signal, the seat cushion drive unit is controlled to raise the seat cushion to the target seat cushion raising height. In response to a passenger boarding signal or a passenger alighting signal, the seat moving assembly is controlled to move according to the target seat body displacement data.

[0019] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the vehicle structure provided in the embodiments of this application; Figure 2 This is another structural schematic diagram of the vehicle provided in the embodiments of this application; Figure 3 This is a structural schematic diagram of the seat provided in an embodiment of this application; Figure 4 This is a partial structural schematic diagram of the seat provided in an embodiment of this application; Figure 5 This is another structural schematic diagram of the seat provided in the embodiments of this application; Figure 6 This is another structural schematic diagram of the seat provided in the embodiments of this application; Figure 7 This is a schematic diagram of the structure of the seat moving assembly provided in the embodiments of this application; Figure 8 This is a partial structural schematic diagram of the X-direction driving unit and the rotation unit provided in the embodiments of this application; Figure 9 This is a partial structural schematic diagram of the drive unit and the Y-axis drive unit provided in the embodiments of this application; Figure 10 This is a partial structural schematic diagram of the drive unit provided in an embodiment of this application; Figure 11 This is another partial structural schematic diagram of the drive unit provided in the embodiments of this application; Figure 12 This is a schematic diagram of the driven wheel provided in an embodiment of this application; Figure 13 This is a schematic diagram of the structure of the turntable provided in the embodiment of this application; Figure 14 This is a partial structural schematic diagram of the drive mechanism provided in the embodiments of this application; Figure 15 This is another partial structural schematic diagram of the drive mechanism provided in the embodiments of this application; Figure 16 yes Figure 14 Sectional view at point AA; Figure 17 yes Figure 15 Sectional view at point BB; Figure 18 This is a schematic diagram of the structure of the power shaft provided in an embodiment of this application; Figure 19This is a schematic diagram of the structure of the lock cylinder and lock sleeve provided in the embodiments of this application; Figure 20 This is another structural schematic diagram of the lock cylinder and lock sleeve provided in the embodiments of this application; Figure 21 This is a schematic diagram of the structure of the lock sleeve provided in an embodiment of this application; Figure 22 This is a schematic diagram of the lock cylinder structure provided in the embodiments of this application; Figure 23 This is another structural schematic diagram of the seat provided in the embodiments of this application; Figure 24 This is another structural schematic diagram of the seat provided in the embodiments of this application; Figure 25 This is a schematic diagram of the seat provided in the embodiments of this application; Figure 26 This is another schematic diagram of the seat provided in the embodiments of this application; Figure 27 This is a flowchart illustrating the vehicle control method provided in an embodiment of this application.

[0021] Figure label: 1000, vehicles; 100. Vehicle body; 110. Vehicle door; 200. Seat; 210. Seat body; 220. Seat moving assembly; 221. X-axis drive unit; 2211. X-axis guide slide; 2212. X-axis drive component; 2213. X-axis slide; 222. Drive unit; 2221. Fixed plate; 2222. Turntable; 22221. Locking part; 2223. Drive mechanism; 22231. Power component; 22232. Drive wheel; 22233. Driven wheel; 22233a. Notch; 22234. Drive shaft; 22234a. Limiting tooth; 22234b. Power 22235, Driven Shaft; 22236, Lock Cylinder; 22236a, Limiting Groove; 22236b, Guide Inclined Surface; 22236c, Lock Cylinder Roller; 22236d, Limiting Post; 22237, Lock Sleeve; 22238, Reset Part; 22239, Annular Support Part; 223, Y-axis Drive Unit; 2231, Y-axis Guide Slider; 2232, Y-axis Drive Unit; 2233, Y-axis Slider; 230, Seat Cushion Drive Unit; 240, Seat Cushion; 250, Pedal Drive Unit; 260, Pedal; 270, Circumferential Arm. Detailed Implementation

[0022] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0023] Unless otherwise specified, the front-back direction in this application refers to the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction refers to the lateral direction of the vehicle, i.e., the Y direction; and the up-down direction refers to the vertical direction of the vehicle, i.e., the Z direction.

[0024] The following is for reference. Figures 1-26 This application describes a seat, a vehicle, and a vehicle control method according to embodiments thereof.

[0025] Please see Figures 1 to 4 This application provides a seat 200 for mounting on a vehicle body 100. The seat 200 includes a seat moving assembly 220, a seat body 210, a seat cushion assembly 240, and a footrest assembly 260.

[0026] The seat moving assembly 220 is used for mounting on the vehicle body 100; the seat body 210 is mounted on the output end of the seat moving assembly 220 and can move relative to the vehicle body 100 under the drive of the seat moving assembly 220; the seat cushion 240 assembly includes a seat cushion drive unit 230 and a seat cushion 240, the seat cushion drive unit 230 is mounted on the seat body 210, the seat cushion 240 is mounted on the seat cushion drive unit 230, and the seat cushion 240 is driven by the seat cushion drive unit 230, with an auxiliary force set at an angle to the seat body 210. The pedal 260 assembly includes a pedal drive unit 250 and a pedal 260. The pedal drive unit 250 is mounted on the output end of the seat movement assembly 220, and the pedal 260 is mounted on the pedal drive unit 250. The pedal 260 is driven by the pedal drive unit 250 and switches between a folded position close to the seat body 210, a raised position away from the seat body 210, and an unfolded position away from the seat body 210 and lower in height than the raised position.

[0027] The seat movement assembly 220 provides power and guidance for the movement of the seat body 210 relative to the vehicle body 100, and is the core component for realizing the overall position adjustment of the seat 200. It can be a linear drive mechanism composed of a motor, guide rail, and lead screw and nut pair, or a transmission mechanism including gears and racks. This assembly is used for installation on the vehicle body 100. The specific installation method can be bolted, fixing the housing of the seat movement assembly 220 to the vehicle body 100 through pre-drilled mounting holes; alternatively, it can be welded to a designated position on the vehicle body 100, ensuring that it does not shift when the seat body 210 is moved.

[0028] The seat body 210 is the basic component for occupants, integrating the seat cushion assembly and pedal assembly. It is installed at the output end of the seat movement assembly 220. The connection method can be either fixing the bottom of the seat body 210 to the support plate at the output end of the seat movement assembly 220 with bolts, or using a combination of clips and bolts, facilitating later disassembly and maintenance. Driven by the seat movement assembly 220, the seat body 210 can move relative to the vehicle body 100, such as moving along the front-to-back, left-to-right, or diagonal directions, and rotating, thereby adjusting to a position convenient for occupants to get in and out of the vehicle.

[0029] The seat cushion drive unit 230 is mounted on the seat body 210 and can drive the seat cushion 240 to switch between an auxiliary position and a seating position. Structurally, it can be a combination of a rotary motor and a linkage mechanism, or a combination of linear drive elements such as hydraulic rods or pneumatic rods and a hinge structure. The installation method can be bolted to the frame of the seat body 210 to ensure stability during the drive process. The seat cushion 240 is mounted on the seat cushion drive unit 230 and is used to support the occupant's buttocks. The connection method can be a snap-fit ​​or bolted connection to the output end of the seat cushion drive unit 230. When the seat cushion 240 is in the auxiliary position, it is angled relative to the seat body 210. This angle can be 30 degrees, 45 degrees, etc., and the specific angle can be set according to actual needs. In this position, it is slightly raised relative to the seating position, providing assistance or cushioning when the occupant gets in and out of the vehicle. In the seating position, it conforms to the seat body 210 to ensure the occupant's comfort.

[0030] The pedal drive unit 250 is mounted on the output end of the seat moving assembly 220 and is located at the bottom of the seat body 210. Its function is to drive the pedal 260 to switch between folded, raised, and unfolded positions. Its structure can be a multi-degree-of-freedom drive mechanism composed of multiple motors and multiple sets of linkages, enabling the extension, retraction, and lifting of the pedal 260. The installation method can be bolted, fixing it to the output end of the seat moving assembly 220 at the bottom of the seat body 210, ensuring relative stability with the seat body 210 and not affecting the movement of the seat body 210 or the normal operation of the pedal 260. The pedal 260 is mounted on the pedal drive unit 250 to provide support when passengers get in and out of the vehicle, and is located at the bottom of the seat body 210. The connection method can be bolted or welded to the output end of the pedal drive unit 250. When folded, the pedal 260 is close to the seat body 210 and can be stored at the bottom of the seat body 210, reducing space occupation; when raised, it is far away from the seat body 210 and at a higher height, which can provide temporary support in some special situations; when unfolded, it is far away from the seat body 210 and at a lower height than when raised, which can reduce the height difference for passengers to get in and out of the vehicle, making it easier for passengers to get up and sit down.

[0031] In actual operation, when an occupant needs to get into the vehicle, the seat moving assembly 220 drives the seat body 210 and the pedal driving unit 250 installed at its output end to move synchronously to the vicinity of the door 110. Subsequently, the seat cushion driving unit 230 drives the seat cushion 240 to switch from the sitting position to the auxiliary position, providing support and assistance for the occupant. At the same time, the pedal driving unit 250 drives the pedal 260 to switch from the folded position through the raised position to the unfolded position, reducing the height difference for getting in and out of the vehicle. After the occupant steps onto the seat cushion 240 via the pedal 260 and sits on it, the seat cushion driving unit 230 drives the seat cushion 240 to switch back to the sitting position, the pedal driving unit 250 drives the pedal 260 to switch back to the folded position, and the seat moving assembly 220 then drives the seat body 210 and the pedal driving unit 250 to move synchronously to the sitting position inside the vehicle. When getting out of the vehicle, the process is reversed. The seat moving assembly 220 first moves the seat body 210 and the pedal drive unit 250 to the vicinity of the door 110 in a synchronized manner. The seat cushion 240 switches to the auxiliary position, and the pedal 260 switches to the unfolded position to assist the occupants in getting out of the vehicle safely. After that, all components are reset.

[0032] According to the seat 200 provided in this embodiment, the seat moving component 220 synchronizes the position adjustment of the seat body 210 and the pedal 260 component, bringing the seat 200 closer to the door 110 for easier passenger entry and exit. The seat cushion 240 provides assistance and cushioning in the auxiliary position, making entry and exit easier. The pedal 260 reduces the height difference in the unfolded position, facilitating getting up and sitting down. These three components work together to effectively solve the problem of difficulty in entry and exit for the elderly and people with mobility impairments, greatly improving their riding experience. At the same time, they provide safety protection for passengers during entry and exit, reducing the risk of accidents.

[0033] Please see Figures 3 to 9 According to some embodiments of this application, the seat moving assembly 220 may include: an X-axis drive unit 221, a rotation unit 222, and a Y-axis drive unit 223. The X-axis drive unit 221 is fixedly installed on the vehicle body 100; the rotation unit 222 is installed at the output end of the X-axis drive unit 221 to move along the X-axis of the vehicle body 100 under the drive of the X-axis drive unit 221; the Y-axis drive unit 223 is installed at the output end of the rotation unit 222 to rotate around the Z-axis of the vehicle body 100 under the drive of the rotation unit 222; the seat body 210 and the pedal drive unit 250 are both installed at the output end of the Y-axis drive unit 223, and the Y-axis drive unit 223 drives the seat body 210 and the pedal drive unit 250 to move along the Y-axis of the vehicle body 100.

[0034] The X-axis drive unit 221 is fixedly installed on the vehicle body 100. Its function is to provide power for the drive unit 222 to move along the X-axis (usually the longitudinal direction of the vehicle body 100) of the vehicle body 100. It can be driven by a motor to rotate a lead screw, with the nut on the lead screw serving as the output end connected to the drive unit 222, achieving linear movement through the engagement of the lead screw and nut. Alternatively, it can be driven by a motor to rotate a gear, which meshes with a rack fixed to the vehicle body 100. The motor and gear components serve as the output end, driving the drive unit 222 to move. Installation can be done using bolts, fixing the housing of the X-axis drive unit 221 to the load-bearing structure of the vehicle body 100, such as the base plate, crossbeam, or longitudinal beam, ensuring a secure installation. This unit is directly connected to the vehicle body 100 and is the basic installation component of the seat movement assembly 220, providing support and power for the X-axis movement of the entire seat 200.

[0035] The drive unit 222 is installed at the output end of the X-axis drive unit 221. The connection method can be bolted, fixing the bottom of the drive unit 222 to the moving platform at the output end of the X-axis drive unit 221. Its function is to drive the Y-axis drive unit 223 to rotate around the Z-axis of the vehicle body 100 (usually referring to the direction perpendicular to the bottom surface of the vehicle body 100) while moving along the X-axis of the vehicle body 100 under the drive of the X-axis drive unit 221. Structurally, it can be a servo motor combined with a worm gear reducer, with the motor output shaft connected to the worm gear, and the worm gear connected to the Y-axis drive unit 223. The rotation of the motor drives the worm gear, realizing the rotation of the Y-axis drive unit 223. Alternatively, a stepper motor can be directly connected to the rotating shaft, which is fixed to the Y-axis drive unit 223. The rotation angle can be adjusted through precise control of the motor.

[0036] The Y-axis drive unit 223 is installed at the output end of the drive unit 222 and can be connected by bolts, fixing it to the rotary table at the output end of the drive unit 222. It can rotate around the Z-axis of the vehicle body 100 under the drive of the drive unit 222. Simultaneously, the seat body 210 and the pedal drive unit 250 are both installed at its output end, and can be connected by bolts, fixing the bottom of the seat body 210 and the pedal drive unit 250 to the load-bearing structure at the output end of the Y-axis drive unit 223, respectively. The function of the Y-axis drive unit 223 is to drive the seat body 210 and the pedal drive unit 250 to move along the Y-axis of the vehicle body 100 (usually referring to the left-right direction of the vehicle body 100). Its structure can refer to the form of the X-axis drive unit 221, such as a motor-driven lead screw and nut pair or a gear and rack mechanism, to achieve linear movement along the Y-axis.

[0037] In actual operation, when the seat 200 needs to be adjusted in the X-direction, the X-direction drive unit 221 is activated. Its output drives the rotation unit 222, the Y-direction drive unit 223, the seat body 210, and the pedal drive unit 250 to move together along the X-direction of the vehicle body 100 until a suitable X-direction position is reached. When the orientation of the seat 200 needs to be adjusted to facilitate getting in and out of the vehicle, the rotation unit 222 is activated, driving the Y-direction drive unit 223 to rotate around the Z-axis of the vehicle body 100, which in turn drives the seat body 210 and the pedal drive unit 250 to rotate and adjust to a suitable angle. When the seat 200 needs to be adjusted in the Y-direction, the Y-direction drive unit 223 is activated. Its output drives the seat body 210 and the pedal drive unit 250 to move along the Y-direction of the vehicle body 100, thus adjusting the seat 200 in the Y-direction. Through the combination of X-direction and Y-direction movement and rotation around the Z-axis, the seat 200 can be flexibly adjusted to a position close to the door 110 for easy entry and exit.

[0038] For example, taking a conventional vehicle 1000 where the door 110 is located on the Y-direction side of the vehicle body 100, when a passenger wants to get on or off the vehicle, the door 110 is opened first. The X-direction drive unit 221 drives the drive rotation unit 222, the Y-direction drive unit 223, and the seat body 210 to move forward to a suitable position, which corresponds to the door 110. Then, the drive rotation unit 222 drives the Y-direction drive unit 223 and the seat body 210 to rotate, so that the seat body 210 faces the direction in which the door 110 is opened. Finally, the Y-direction drive unit drives the seat body 210 to move outward along the Y-direction towards the door 110, so that at least part of the seat 200 extends outward from the door 110. At this time, getting on or off the vehicle is more convenient, greatly improving the riding experience.

[0039] The seat moving assembly 220, through the coordinated action of the X-axis drive unit 221, the drive unit 222 and the Y-axis drive unit 223, enables the seat 200 to move in the X and Y directions and rotate around the Z-axis, making the position and orientation adjustment of the seat 200 more flexible and diverse, better adapting to different door 110 positions and getting in and out of the vehicle, and further improving the convenience of getting in and out of the vehicle for the elderly and people with mobility impairments.

[0040] Please see Figures 6 to 11 According to some embodiments of this application, the X-direction drive unit 221 may include an X-direction guide slide 2211, an X-direction drive 2212, an X-direction transmission mechanism, and an X-direction slide 2213. The X-direction guide slide 2211 is fixedly installed on the vehicle body 100. The X-direction slide 2213 is slidably engaged with the X-direction guide slide 2211. The X-direction drive 2212 is connected to the X-direction slide 2213. The first fixed part of the X-direction transmission mechanism is fixedly connected to the X-direction guide slide 2211. The first movable part of the X-direction transmission mechanism is dynamically coupled to the X-direction drive 2212 to drive the X-direction slide 2213, the X-direction drive 2212, and the drive unit 222 to move relative to the X-direction guide slide 2211 along the X-direction of the vehicle body 100.

[0041] X-axis guide slider 2211 is fixedly installed on the vehicle body 100 and is a basic guide component of the X-axis drive unit 221. Its function is to provide guidance for the movement of X-axis slider 2213, ensuring its smooth sliding along the X-axis of the vehicle body 100. For example, the X-axis guide slider 2211 can be a slide rail with an "I" or "T" shaped cross-section; it can also be a slide rod, which is a cylindrical or square rod. The installation method can be bolted, fixing its two ends or bottom to the load-bearing structure of the vehicle body 100.

[0042] The X-axis slider 2213 slides with the X-axis guide slider 2211. The connection method can be that the X-axis slider 2213 has a slide rod, slide groove or slide hole adapted to the X-axis guide slider 2211, and slides on the X-axis guide slider 2211. Its function is to support components such as the drive unit 222 and move along the X-axis guide slider 2211 under the action of driving force.

[0043] The X-axis drive component 2212 is connected to the X-axis sliding component 2213. The connection method can be bolted or welded. Its function is to provide the power source for X-axis movement. It can usually be a motor, such as a servo motor or a stepper motor, which can output rotational power.

[0044] The first fixed part of the X-axis transmission mechanism is fixedly connected to the X-axis guide slide 2211, which can be achieved by bolt connection; the first movable part is poweredly coupled to the X-axis drive 2212, and the coupling method can be gear meshing, chain drive, or coupling connection, etc. Its function is to convert the power transmission of the X-axis drive 2212, driving the X-axis slide 2213, the X-axis drive 2212, and the drive unit 222 to move along the X-axis. For example, the X-axis transmission mechanism can be a screw-nut mechanism, with the screw as the first fixed part fixed to the X-axis guide slide 2211, and the nut as the first movable part connected to the output shaft of the X-axis drive 2212. The X-axis drive 2212 drives the nut to rotate, thereby causing the X-axis slide 2213 to move along the screw (X-axis guide slide 2211) with the nut.

[0045] The drive unit 222 includes a fixed disk 2221, a turntable 2222, and a drive mechanism 2223. The fixed disk 2221 is fixedly connected to the X-axis sliding member 2213. The turntable 2222 is rotatably mounted on the fixed disk 2221. The drive mechanism 2223 is mounted on the fixed disk 2221, and the output end of the drive mechanism 2223 is dynamically coupled to the turntable 2222 to drive the turntable 2222 to rotate relative to the fixed disk 2221 around the Z-axis.

[0046] The fixed plate 2221 is fixedly connected to the X-axis sliding member 2213 by bolt connection, and is used to provide a mounting base and support for the turntable 2222 and the drive mechanism 2223. Structurally, it can be a circular plate or a rectangular plate, and the edge may be provided with mounting holes for mounting the drive mechanism 2223.

[0047] The turntable 2222 is rotatably mounted on the fixed disk 2221. The connection can be achieved by setting an annular guide rail on the fixed disk 2221, with a slider at the bottom of the turntable 2222 cooperating with the guide rail; or by setting a rotating shaft at the center of the fixed disk 2221, with the turntable 2222 mounted on the shaft to achieve rotation. Its function is to support the Y-axis drive unit 223 and rotate relative to the fixed disk 2221 around the Z-axis under the drive of the drive mechanism 2223. In some examples, the surface of the fixed disk 2221 facing the turntable 2222 has multiple support rollers symmetrically distributed along the rotation centerline of the turntable 2222. These support rollers are rotatably mounted on the fixed disk 2221, and the turntable 2222 is supported on the multiple support rollers. By setting multiple support rollers, the support strength for the turntable 2222 is increased, and the resistance during rotation of the turntable 2222 is reduced.

[0048] The drive mechanism 2223 is mounted on the fixed disk 2221 and fixed by bolts. Its output end is poweredly coupled to the turntable 2222. The coupling method can be gear meshing, with a driving gear at the output end of the drive mechanism 2223 and a driven gear at the edge of the turntable 2222; or it can be a worm gear drive, etc. Its function is to provide rotational power to drive the turntable 2222 to rotate relative to the fixed disk 2221 around the Z-axis.

[0049] The Y-direction drive unit 223 includes a Y-direction slide member 2231, a Y-direction drive member 2232, a Y-direction transmission mechanism, and a Y-direction slide member 2233. The Y-direction slide member 2231 is fixedly connected to the turntable 2222, and the Y-direction slide member 2233 slides in cooperation with the Y-direction slide member 2231. The seat body 210 and the pedal drive unit 250 are both mounted on the Y-direction slide member 2233. The Y-direction drive member 2232 is connected to the Y-direction slide member 2233. The second fixed part of the Y-direction transmission mechanism is fixedly connected to the Y-direction slide member 2231, and the second movable part of the Y-direction transmission mechanism is poweredly coupled to the Y-direction drive member 2232 to drive the Y-direction slide member 2233, the Y-direction drive member 2232, the seat body 210, and the pedal drive unit 250 to move relative to the Y-direction slide member 2231 along the Y-direction of the vehicle body 100.

[0050] The Y-axis guide slide 2231 is fixedly connected to the turntable 2222 by bolt connection. Its function is to provide guidance for the movement of the Y-axis slide 2233 and ensure smooth sliding along the Y direction. The structure can be referenced from the X-axis guide slide 2211, which is a slide rail or slide rod.

[0051] Y-axis slider 2233 slides in conjunction with Y-axis guide slider 2231, and the connection method is the same as that of X-axis slider 2213 and X-axis guide slider 2211. It is used to support the seat body 210 and pedal drive unit 250 and move along Y-axis guide slider 2231.

[0052] The Y-axis drive component 2232 is connected to the Y-axis sliding component 2233 by bolt connection or welding. It serves as the power source for Y-axis movement and is usually a motor.

[0053] The second fixed part of the Y-axis transmission mechanism is fixedly connected to the Y-axis guide slide 2231 (bolted connection), and the second movable part is poweredly coupled to the Y-axis drive component 2232 (gear meshing, chain drive, etc.). Its function is to transmit the power of the Y-axis drive component 2232, driving the Y-axis slide 2233 and the components above it to move along the Y-axis. Its structure and working principle can be referred to the X-axis transmission mechanism.

[0054] In actual operation, during X-axis drive, the X-axis drive component 2212 is activated. Through the X-axis transmission mechanism, the first movable part drives the X-axis slider 2213 to move along the X-axis guide slider 2211 in the X direction, and the drive unit 222 moves with the X-axis slider 2213. During rotation, the drive mechanism 2223 is activated, and its output end drives the turntable 2222 to rotate relative to the fixed disc 2221 around the Z-axis, and the Y-axis drive unit 223 rotates with the turntable 2222. During Y-axis drive, the Y-axis drive component 2232 is activated. Through the Y-axis transmission mechanism, the second movable part drives the Y-axis slider 2233 to move along the Y-axis guide slider 2231 in the Y direction, and the seat body 210 and the pedal drive unit 250 move with the Y-axis slider 2233. Through this series of actions, the seat 200 achieves X-axis and Y-axis movement and rotation around the Z-axis.

[0055] Please see Figures 10 to 15 According to some embodiments of this application, the drive mechanism 2223 may include: a power component 22231, a drive wheel 22232, and a driven wheel 22233. The power component 22231 is mounted on the side of the fixed disk 2221 facing away from the turntable 2222; the drive wheel 22232 is mounted on the side of the fixed disk 2221 facing the turntable 2222 and is power-coupled to the output end of the power component 22231; the driven wheel 22233 is mounted on the side of the turntable 2222 facing the fixed disk 2221, and the driven wheel 22233 meshes with the drive wheel 22232 to drive the turntable 2222 to rotate under the drive of the drive wheel 22232.

[0056] The power component 22231 is installed on the side of the fixed disk 2221 opposite to the turntable 2222. The installation method can be bolted, with the housing of the power component 22231 fixed by pre-drilled mounting holes on the fixed disk 2221. The drive component provides power to the drive mechanism 2223. Structurally, it is typically a motor, such as a servo motor or stepper motor, capable of outputting stable rotational power and facilitating control of rotation speed and angle. This component is the power source of the drive mechanism 2223, providing energy for the operation of the entire mechanism. Taking a motor as an example, a motor bracket can be provided on the side of the fixed disk 2221 opposite to the turntable 2222, i.e., the bottom of the fixed disk 2221, and the drive component is fixedly mounted on the motor bracket.

[0057] The drive wheel 22232 is mounted on the side of the fixed disk 2221 facing the turntable 2222. The connection method can be via bearings mounted on a preset shaft of the fixed disk 2221, allowing it to rotate freely. Simultaneously, it is power-coupled to the output end of the power component 22231. This coupling can be achieved by the output shaft of the power component 22231 passing through a through hole in the fixed disk 2221 and connecting to the drive wheel 22232 via a key, or via a coupling, ensuring that the rotational power of the power component 22231 can be reliably transmitted to the drive wheel 22232. The function of the drive wheel 22232 is to transmit the power of the power component 22231 to the driven wheel 22233. Structurally, it is a gear, and its teeth are matched with the teeth of the driven wheel 22233.

[0058] Driven wheel 22233 is installed on the side of turntable 2222 facing fixed plate 2221. It can be installed using bolts to fix it to the corresponding position on turntable 2222, or it can be integrally formed with turntable 2222. It meshes with drive wheel 22232 through tooth meshing, ensuring the stability and accuracy of power transmission. Its function is to drive turntable 2222 to rotate under the drive of drive wheel 22232. Structurally, it is also a gear, but its diameter can be larger than that of drive wheel 22232 (serving to reduce speed and increase torque), and can be set according to actual needs.

[0059] Please see Figure 12 and Figure 13 In some examples, the driven wheel 22233 is arranged in a ring shape. The outer ring of the driven wheel 22233 is toothed, and the inner ring is provided with multiple notches 22233a distributed circumferentially. The turntable 2222 is provided with a locking part 22221 that corresponds to each of the multiple notches 22233a. The locking part 22221 is engaged with the notches 22233a.

[0060] The drive mechanism 2223, through gear meshing of the power component 22231, the drive wheel 22232, and the driven wheel 22233, can stably and precisely drive the turntable 2222 to rotate, ensuring the accuracy and reliability of the seat 200's orientation adjustment. Simultaneously, the power component 22231 is installed on the side of the fixed plate 2221 opposite to the turntable 2222, saving space between the fixed plate 2221 and the turntable 2222, making the mechanism layout more compact, and facilitating the installation and maintenance of the power component 22231.

[0061] Please see Figures 14 to 22 According to some embodiments of this application, the drive mechanism 2223 further includes: a power shaft 22234, a driven shaft 22235, a lock cylinder 22236, a lock sleeve 22237, and a reset member 22238. The power shaft 22234 is poweredly coupled to the output end of the power component 22231, and the power shaft 22234 is provided with a limiting tooth 22234a; the driven shaft 22235 is fixedly connected to the power wheel 22232 and is arranged coaxially with the power shaft 22234; the lock cylinder 22236 is sleeved on the driven shaft 22235 and is movably arranged along the axial direction of the driven shaft 22235; the end of the lock cylinder 22236 facing the power shaft 22234 is provided with a limiting groove 22236a, and the bottom of the limiting groove 22236a is provided with a guide inclined surface 22236b that is angled to the radial direction of the power shaft 22234; the limiting tooth 22234a abuts against the guide inclined surface 22236b; the lock sleeve 22237 is fixedly installed on the fixed plate 2221 and is located on the side of the lock cylinder 22236 near the power shaft 22234. When the lock cylinder 22236 contacts the lock sleeve 22237, it engages in a limiting position; the reset member 22238 is connected between the lock cylinder 22236 and the fixed plate 2221 to apply an elastic force to the lock cylinder 22236 toward the lock sleeve 22237; wherein, when the power shaft 22234 rotates, the limiting tooth 22234a slides along the guide slope 22236b to the first limiting position, so that the lock cylinder 22236 overcomes the action of the reset member 22238, separates from the lock sleeve 22237, unlocks, and rotates; when the power shaft 22234 stops rotating, the lock cylinder 22236 moves toward the lock sleeve 22237 under the action of the reset member 22238 and engages with the lock sleeve 22237 for limiting, and the limiting tooth 22234a slides relative to the guide slope 22236b to the second limiting position.

[0062] The power shaft 22234 is poweredly coupled to the output end of the power component 22231. The coupling method can be a key connection, where the torque of the output shaft of the power component 22231 is transmitted to the power shaft 22234 via a flat key or spline; or it can be a coupling connection to ensure the stability of power transmission. The power shaft 22234 is provided with limiting teeth 22234a. Specifically, the limiting teeth 22234a can be multiple protruding teeth evenly distributed circumferentially on the end face of the power shaft 22234 facing the lock cylinder 22236. Their function is to cooperate with the guide inclined surface 22236b of the lock cylinder 22236 when the power shaft 22234 rotates, driving the lock cylinder 22236 to move axially.

[0063] Driven shaft 22235 is fixedly connected to drive wheel 22232, and the connection method can be welding or keying, allowing drive wheel 22232 to rotate together with driven shaft 22235. Driven shaft 22235 and drive shaft 22234 are coaxially arranged, meaning their axis lines coincide, ensuring uniform force distribution during power transmission and reducing wear caused by eccentricity. Driven shaft 22235 provides a mounting base for lock cylinder 22236, allowing lock cylinder 22236 to move along its axial direction.

[0064] The lock cylinder 22236 is sleeved outside the driven shaft 22235, with a clearance fit between them to ensure that the lock cylinder 22236 can move freely along the axial direction of the driven shaft 22235, and can also rotate synchronously with the driven shaft 22235 in the rotational direction. This can be achieved by setting a guide key on the driven shaft 22235 and a keyway in the inner hole of the lock cylinder 22236. A limiting groove 22236a is provided at the end of the lock cylinder 22236 facing the drive shaft 22234, and a guide inclined surface 22236b is provided at the bottom of the limiting groove 22236a. The guide inclined surface 22236b is set at an angle to the radial direction of the drive shaft 22234. The limiting tooth 22234a abuts against the guide inclined surface 22236b. When the power shaft 22234 rotates, the limiting tooth 22234a can slide along the guide inclined surface 22236b, thereby pushing the lock cylinder 22236 to move axially.

[0065] The lock sleeve 22237 is fixedly installed on the fixed plate 2221 by bolt connection, and is located on the side of the lock cylinder 22236 near the drive shaft 22234. In some examples, the lock sleeve 22237 may be provided with a connecting lug, which is fixedly connected to the bottom of the fixed plate 2221 to secure the lock sleeve 22237. The lock sleeve 22237 and the lock cylinder 22236 cooperate to limit each other. Specifically, the inner circumferential surface of the lock sleeve 22237 may have multiple grooves, and the outer circumferential surface of the lock cylinder 22236 may have protrusions that fit into the grooves. When the lock cylinder 22236 moves toward the lock sleeve 22237, the protrusions engage with the grooves to achieve circumferential limiting; alternatively, the lock sleeve 22237 and the lock cylinder 22236 may each have a ratchet and pawl structure that cooperates with each other. Its function is to restrict the rotation of the lock cylinder 22236 when it is in contact with the lock sleeve 22237, thereby locking the driven shaft 22235, the drive wheel 22232 and the turntable 2222. When the lock cylinder 22236 moves away from the lock sleeve 22237, the lock cylinder 22236 is separated from the lock sleeve 22237, thus unlocking the lock cylinder 22236.

[0066] The reset element 22238 is connected between the lock cylinder 22236 and the fixed plate 2221. The connection method can be that one end of the reset element 22238 is hooked onto the lug of the lock cylinder 22236, and the other end is hooked onto the mounting post of the fixed plate 2221. The reset element 22238 is typically a spring, such as a compression spring or a tension spring, preferably a compression spring. It is sleeved outside the driven shaft 22235, with one end abutting against the lock cylinder 22236 and the other end abutting against the fixed plate 2221, to apply an elastic force towards the lock sleeve 22237 to the lock cylinder 22236, causing the lock cylinder 22236 to tend to move towards the lock sleeve 22237 and engage with it for limiting movement when no other external force is applied.

[0067] The locking teeth 22234a can be provided in multiple spaced intervals along the axial direction of the power shaft 22234, and the locking grooves 22236a can be provided in multiple spaced intervals evenly distributed along the circumference of the lock cylinder 22236. Each locking tooth 22234a corresponds one-to-one with a locking groove 22236a to improve overall operational stability. For example, two locking teeth 22234a and two locking grooves 22236a can be provided, arranged symmetrically along the axis of the power shaft 22234 to further improve operational stability.

[0068] When the power shaft 22234 rotates, the limiting tooth 22234a on the power shaft 22234 slides along the guide slope 22236b at the bottom of the limiting groove 22236a of the lock cylinder 22236. Since the guide slope 22236b is at an angle to the radial direction of the power shaft 22234, the limiting tooth 22234a generates an axial component force on the guide slope 22236b, which pushes the lock cylinder 22236 to overcome the elastic force of the reset member 22238 and move along the driven shaft 22235 in a direction away from the lock sleeve 22237, so that the lock cylinder 22236 separates from the lock sleeve 22237 and unlocks. At this time, the limiting tooth 22234a slides to the first limiting position. The first limiting position can refer to the position when the limiting tooth 22234a abuts against the side wall of the limiting groove 22236a. At this time, the power output of the power shaft 22234 continues to rotate and is transmitted to the lock cylinder 22236 through the side wall of the limiting groove 22236a. Since the lock cylinder 22236 and the driven shaft 22235 rotate synchronously, the torque of the power shaft 22234 is transmitted to the lock cylinder 22236 through the contact between the limiting tooth 22234a and the side wall of the limiting groove 22236a, thereby driving the driven shaft 22235 and the power wheel 22232 to rotate, realizing the rotation of the turntable 2222. When the power shaft 22234 stops rotating, the axial thrust of the limiting tooth 22234a on the guide inclined surface 22236b disappears. Under the elastic force of the reset member 22238, the lock cylinder 22236 moves along the driven shaft 22235 towards the lock sleeve 22237. The lock cylinder 22236 and the lock sleeve 22237 cooperate to achieve circumferential limiting. At the same time, the limiting tooth 22234a slides relative to the guide inclined surface 22236b to the second limiting position. At this time, the turntable 2222 is locked in the current position and cannot rotate freely.

[0069] In some examples, the guide ramp 22236b at the bottom of the limiting groove 22236a can be V-shaped, so that the guide ramp 22236b has a first guide surface and a second guide surface that are inclined in two directions. When the limiting tooth 22234a is in the second limiting position, the limiting tooth 22234a is located in the middle position between the first guide surface and the second guide surface, that is, at the apex of the V-shape. In this example, when the power shaft 22234 rotates forward or reverse, it can slide along the corresponding first guide surface or the second guide surface respectively, and abut against the corresponding side wall when it slides to the first limiting position, thereby realizing the forward and reverse rotation of the drive seat body 210.

[0070] Please see Figures 14 to 18 According to some embodiments of this application, a power roller 22234b is rotatably connected to one end of the limiting tooth 22234a facing the guide slope 22236b, and the power roller 22234b is in rolling connection with the guide slope 22236b.

[0071] The power roller 22234b is rotatably connected to the end of the limiting tooth 22234a facing the guide inclined surface 22236b. The connection can be achieved by setting a pin at the end of the limiting tooth 22234a, with the power roller 22234b sleeved on the pin. Flexible rotation is achieved through the cooperation of a bearing and the pin. The power roller 22234b is typically cylindrical, with an outer circumferential surface that can be a smooth metal surface or a rubber surface. The rubber surface increases the friction between the roller and the guide inclined surface 22236b, while reducing noise during rolling. Its function is to convert the sliding friction between the limiting tooth 22234a and the guide inclined surface 22236b into rolling friction, reducing frictional resistance and wear between them.

[0072] In some examples, each limiting tooth 22234a may be provided with two power rollers 22234b. When the power shaft 22234 rotates in different directions, the two power rollers 22234b may respectively engage with the first guide surface and the second guide surface.

[0073] When the drive shaft 22234 rotates, the drive roller 22234b on the limiting tooth 22234a rolls along the guide slope 22236b of the lock cylinder 22236. Compared to the previous sliding contact, the rolling friction resistance is smaller, making the process of the limiting tooth 22234a pushing the lock cylinder 22236 axially more smooth and effortless, reducing the load on the power component 22231. At the same time, the rolling contact can greatly reduce the wear of the limiting tooth 22234a and the guide slope 22236b, extending the service life of the components. When the drive shaft 22234 stops rotating and the lock cylinder 22236 moves towards the lock sleeve 22237 under the action of the reset component 22238, the limiting tooth 22234a resets with the drive shaft 22234, and the drive roller 22234b rolls in the opposite direction along the guide slope 22236b, which can also reduce friction resistance and make the reset process of the lock cylinder 22236 smoother.

[0074] Please see Figures 14 to 17 ,as well as Figures 19 to 22 According to some embodiments of this application, the reset member 22238 includes a spring, which is sleeved outside the driven shaft 22235. An annular support cover is provided at the end of the spring facing the lock cylinder 22236. The lock cylinder 22236 has a lock cylinder roller 22236c at the end facing the spring, which abuts against the annular support cover; and / or, the lock cylinder 22236 has a plurality of limiting posts 22236d at the end facing the spring, which are distributed circumferentially along the annular support cover.

[0075] The spring, as the core component of the reset element 22238, is sleeved outside the driven shaft 22235. Its function is to apply an elastic force towards the lock sleeve 22237 to the lock cylinder 22236. The spring can be a compression spring, which is compressed when the lock cylinder 22236 moves away from the lock sleeve 22237, accumulating elastic potential energy, thereby providing power for the reset of the lock cylinder 22236.

[0076] An annular support cover is located at the end of the spring facing the lock cylinder 22236 and covers the spring. Its structure is an annular cover, and the material can be metal or high-strength plastic. It can be fixedly connected to the end of the spring facing the lock cylinder 22236, such as by welding or bonding, or it can indirectly contact the lock cylinder 22236 under the spring's elastic force. The function of the annular support cover is to protect the spring, preventing radial displacement or deformation during extension and contraction, and simultaneously distributing the spring's elastic force more evenly to the lock cylinder 22236.

[0077] The lock cylinder roller 22236c is located at the end of the lock cylinder 22236 facing the spring. The connection method can be that a mounting shaft is provided on the end face of the lock cylinder 22236, and the lock cylinder roller 22236c is sleeved on the mounting shaft via bearings, allowing for flexible rotation. The lock cylinder roller 22236c abuts against the annular support cover, its function being to convert the sliding friction between the lock cylinder 22236 and the annular support cover into rolling friction, reducing the frictional resistance between them and making the axial movement of the lock cylinder 22236 under the action of the spring force smoother.

[0078] In some examples, multiple cylinder rollers 22236c can be provided, with the multiple cylinder rollers 22236c evenly distributed around the circumference of the lock cylinder 22236, and the axes of the multiple cylinder rollers 22236c radially distributed with the axis of the lock cylinder 22236 as the center, thereby improving the stability of the support. The specific number of cylinder rollers 22236c is not limited, and there can be three, four, or more.

[0079] Multiple limiting posts 22236d are located at the end of the lock cylinder 22236 facing the spring, distributed circumferentially along the annular support cover; for example, three, four, or six posts can be provided. The limiting posts 22236d are cylindrical or prismatic in shape and can be integrally formed with the lock cylinder 22236 or bolted together. Their function is to circumferentially limit the annular support cover, preventing circumferential displacement when the annular support cover extends or retracts with the spring or rotates with the lock cylinder 22236, thus ensuring the stability of the relative position between the annular support cover, the spring, and the lock cylinder 22236.

[0080] Please see Figures 3 to 5 , Figure 25 and Figure 26According to some embodiments of this application, the seat 200 may further include: a wrap-around arm 270 and a wrap-around arm drive unit. The wrap-around arm 270 is mounted on the backrest of the seat body 210; the wrap-around arm drive unit is mounted on the backrest and is power-coupled to the wrap-around arm to drive the wrap-around arm 270 to switch between a wrap-around position extending out of the backrest and forming a wrap-around space with the backrest and a retracted position located inside the backrest.

[0081] The wrap-around arm 270 is mounted on the backrest of the seat body 210. Its function is to form a wrap-around space with the backrest when in the wrap-around position, restraining and supporting the occupant's sides. This provides additional safety protection, especially during occupant entry and exit or when the vehicle is moving, preventing excessive tilting or swaying of the occupant's body. Structurally, it can be an arc-shaped rod conforming to the curve of the human body; or it can be a plate with a certain width to increase the support area. The installation method is movable, allowing it to switch between the wrap-around position and the retracted position under the drive of the wrap-around arm drive unit. In some examples, the backrest may have a receiving groove for accommodating the wrap-around arm 270, which can be slidably mounted within the receiving groove.

[0082] The arm-mounted drive unit is installed inside the backrest, and can be bolted to the internal frame of the backrest. It is poweredly coupled to the arm-mounted arm 270. The coupling method can be gear transmission, with a gear at the output end of the drive unit and a rack on the arm-mounted arm 270, transmitting power through gear-rack meshing; or it can be a linkage mechanism, with the output end of the drive unit hinged to one end of a linkage, and the other end of the linkage hinged to the arm-mounted arm 270, driving the arm-mounted arm 270 to rotate through the extension and retraction of the linkage. Its function is to provide power for the position switching of the arm-mounted arm 270, and it can typically be a rotary motor or a linear drive motor.

[0083] When a passenger needs to board, the arm-holding drive unit retracts the arm 270 into the backrest position, preventing obstruction of entry into the seat 200. Once seated, the arm-holding drive unit activates, extending the arm 270 from the backrest to a wraparound position. This creates a wraparound space, supporting the passenger's sides and providing stable support. While the vehicle is in motion, this enhances passenger restraint and safety, especially for the elderly and those with mobility impairments, further improving comfort and security. When a passenger needs to disembark, the arm-holding drive unit retracts the arm 270 back into the backrest, facilitating exit from the seat 200.

[0084] Please see Figures 3 to 5 According to some embodiments of this application, the circumferential arm 270 may be provided in multiple configurations distributed along the Z direction, and the arm drive unit is used to drive the action of one of the multiple circumferential arms 270.

[0085] Multiple wrap-around arms 270 are distributed along the Z-axis, i.e., the height direction of the seat 200. The number is not specifically limited; there can be two, three, four, or more. If there are two, they can be positioned on the backrest below the armpits for people of different heights. For example, one arm can be positioned higher for taller people, and the other lower for shorter people. If there are three, they can be positioned at three different heights on the backrest to accommodate people of different heights (tall, medium, and short). Each wrap-around arm 270 has an arc-shaped structure that conforms to the curve of the lower armpit area. The length is designed so as not to restrict the free movement of the hands. It is installed on the backrest of the seat body 210 and can switch between a wrap-around position and a retracted position under the corresponding drive action.

[0086] The arm-mounted drive unit can employ gear transmission or linkage mechanisms and is mounted on the backrest. This drive unit is used to drive the movement of one of the multiple arm-mounted arms 270. It establishes a power connection with a specific arm-mounted arm 270 through a corresponding transmission structure, applying driving force only to that specific arm-mounted arm 270. For example, multiple electromagnetic clutches can be used, each connected to a corresponding arm-mounted arm 270. The arm-mounted drive unit controls the engagement of the corresponding electromagnetic clutch as needed, thereby transmitting power to that arm-mounted arm 270 and driving its movement.

[0087] Multiple armrests 270 are distributed at different positions along the height of the backrest, corresponding to the lower armpit position for people of different heights. When occupants of different heights sit in the seat, the armrest drive unit activates the corresponding armrest 270 according to the occupant's height. For example, when a taller occupant sits in the seat, the armrest drive unit activates the armrest 270 positioned relatively high from its retracted position to a wraparound position, forming a wraparound space with the backrest to support the occupant under the armpit without restricting hand movement; when a shorter occupant sits in the seat, the armrest drive unit activates the armrest 270 positioned relatively low to extend. This further enhances the usability and convenience of the seat 200. When not in use, the armrest drive unit retracts the armrest 270 into the backrest.

[0088] This application also provides a vehicle 1000.

[0089] Please refer to Figure 1 and Figure 2 The vehicle 1000 includes: a body 100 and a seat 200 as described in any of the above technical solutions. The body 100 has a passenger compartment; the seat 200 is mounted on the body 100 and located within the passenger compartment.

[0090] The body 100 is the overall frame structure of the vehicle 1000, featuring a passenger compartment, which is the space for passengers to sit in. The structure of the body 100 typically consists of a metal frame, body panels, etc., providing support and protection for the vehicle 1000 while forming an enclosed passenger compartment to ensure passenger safety. The size and layout of the passenger compartment vary depending on the type of vehicle 1000 (such as sedan, SUV, MPV, etc.), but all must meet the requirements for accommodating seats 200 and passengers.

[0091] Seat 200 is any of the technical solutions described above, and its structure and function will not be repeated here. Seat 200 is installed on the vehicle body 100 and located in the passenger compartment. The installation method is to connect the seat moving assembly 220 to the vehicle body 100. Specifically, bolts can be used to connect the fixing parts such as the X-guide slide 2211 of the seat moving assembly 220 to the floor or frame structure in the passenger compartment of the vehicle body 100 to ensure that the seat 200 is installed firmly and stably.

[0092] The vehicle 1000 provided according to the embodiments of this application, because it includes a seat 200 as described in any of the above technical solutions, inherits all the beneficial effects of the seat 200, namely, it facilitates the entry and exit of the elderly and people with mobility impairments, improving their riding experience and safety. At the same time, the vehicle body 100 provides a stable installation environment and suitable seating space for the seat 200, allowing the seat 200 to fully perform its functions, making the vehicle 1000 more in line with the needs of age-friendly and humanized design.

[0093] This application also provides a control method for a vehicle 1000.

[0094] Please see Figure 27 The vehicle 1000 is any of the above-mentioned technical solutions, and the control method includes: steps 320, 340, 360 and 380.

[0095] It should be noted that steps 320 to 380 are not sequential; they can be executed in order or individually.

[0096] Step 320: In response to the passenger boarding signal, control the seat moving assembly 220 to drive the seat body 210 to move to the door 110 and make the seat body 210 face outward from the door 110, control the seat cushion driving unit 230 to drive the seat cushion 240 to switch to the auxiliary position, and then control the pedal driving unit 250 to drive the pedal 260 to switch to the unfolded position.

[0097] When vehicle 1000 receives a passenger boarding signal (triggered via door handle sensor, remote control button, voice command, etc.), it first controls the seat moving assembly 220. The X-axis drive unit 221, rotation unit 222, and Y-axis drive unit 223 within the seat moving assembly 220 work together to move the seat body 210 along the X-axis to the door 110. The rotation unit 222 then drives the seat body 210 to rotate around the Z-axis, and then moves it along the Y-axis outwards from the door 110, facilitating passenger entry into the seat 200 from outside the vehicle. Next, the seat cushion drive unit 230 is activated, switching the seat cushion 240 from the seating position to the auxiliary position. At this time, the seat cushion 240 is angled relative to the seat body 210, providing assistance and cushioning for the passenger to sit down. Finally, the pedal drive unit 250 is activated, switching the pedal 260 from the folded position through the raised position to the unfolded position. The lower height of the extended pedal 260 reduces the height difference for passengers getting on and off the vehicle, making it easier for passengers to step onto the seat 200.

[0098] In some examples, vehicle 1000 may be equipped with an imaging device that captures real-time images of the outside of the vehicle and sends a passenger boarding signal to the controller of vehicle 1000 when it detects that an elderly passenger is approaching and needs to board the vehicle.

[0099] The seat moving assembly 220 may also be equipped with a first displacement sensor, a second displacement sensor and a first angle sensor; the seat cushion 240 assembly may be equipped with a third displacement sensor; the door 110 may be equipped with a second angle sensor; and the pedal 260 assembly may be equipped with a fourth displacement sensor and a fifth displacement sensor.

[0100] Specifically, after receiving the occupant boarding signal, the controller drives the seat body 210 forward using the X-axis drive unit 221, and detects the displacement information of the seat body 210 in real time through the first displacement sensor. When the seat body 210 reaches the preset displacement L1 (e.g., ...), ... Figure 5 As shown, the controller sends a first feedback signal. After receiving the first feedback signal, the controller controls the door 110 motor to drive the door 110 to open. The second angle sensor detects the opening angle of the door 110 in real time, and when the opening angle of the door 110 reaches a preset angle α1, it sends a second feedback signal. After receiving the second feedback signal, the controller controls the drive unit 222 to drive the seat body 210 to rotate so that the seat cushion 240 faces outward from the door 110. The first angle sensor detects the rotation angle of the seat body 210 in real time, and when the rotation angle of the seat body 210 reaches a preset angle α2 (as shown), the controller sends a second feedback signal. Figure 6As shown), a third feedback signal is sent. After receiving the third feedback signal, the controller controls the Y-axis drive unit 223 to drive the seat body 210 to move outward along the Y-axis toward the door 110. The second displacement sensor detects the displacement information of the seat body 210 in real time, and when the seat body 210 reaches the preset displacement L2 (e.g., ... Figure 23 As shown, a fourth feedback signal is sent. After receiving the fourth feedback signal, the controller controls the seat cushion drive unit 230 to drive the seat cushion 240 to switch to the auxiliary position. The third displacement sensor detects the upward displacement of the rear edge of the seat cushion 240 in real time, and when the upward displacement of the rear edge of the seat cushion 240 reaches the preset displacement L3 (as shown), the sensor will send a fourth feedback signal. Figure 24 As shown, the controller sends a fifth feedback signal. Upon receiving the fifth feedback signal, the controller controls the pedal drive unit 250 to drive the pedal 260 to switch to the raised position, at which point the pedal 260 extends outward along the Y direction. The fourth displacement sensor detects the displacement information of the pedal 260 in real time, and when the pedal 260 reaches the preset displacement L4 (at which point the pedal 260 moves to its farthest point along the Y direction), it sends a sixth feedback signal to the controller. Upon receiving the sixth feedback signal, the controller controls the pedal drive unit 250 to drive the pedal 260 to switch to the unfolded position, at which point the pedal 260 unfolds downward. The fifth displacement sensor detects the displacement information of the pedal 260 in real time, and when the pedal 260 reaches the preset displacement L5 (at which point the pedal 260 moves to its lowest point along the Z direction), it sends a seventh feedback signal to the controller. At this point, the pedal 260 is fully opened, thus completing the opening of the entire seat 200.

[0101] Step 340: In response to the occupant seating signal, control the pedal drive unit 250 to drive the pedal 260 to switch to the raised position, then control the seat cushion drive unit 230 to drive the seat cushion 240 to switch to the seating position, then control the pedal drive unit 250 to drive the pedal 260 to switch to the folded position, then control the seat moving assembly 220 to drive the seat body 210 to move into the occupant compartment and make the seat body 210 face the front of the vehicle.

[0102] When a passenger boarding signal is detected, the seat 200 pressure sensor detects the passenger's weight, seatbelt buckle signal, etc., triggering the following actions: First, the pedal drive unit 250 drives the pedal 260 from the unfolded position to the raised position, lifting the passenger to a surface higher than the vehicle body 100 floor, saving effort when getting in. Then, the seat cushion drive unit 230 drives the seat cushion 240 from the auxiliary position to the seating position, ensuring the seat cushion 240 fits snugly against the seat body 210, guaranteeing passenger comfort. Next, the pedal drive unit 250 drives the pedal 260 from the raised position to the folding position, reducing the space occupied by the pedal 260 and preventing it from interfering with the movement of the seat 200. Finally, the seat movement assembly 220 moves the seat body 210 from the door 110 into the passenger compartment, facing the front of the vehicle, restoring it to its normal seating orientation.

[0103] In some examples, the pedal 260 assembly may also be equipped with a first pressure sensor, and the seat cushion 240 assembly may be equipped with a second pressure sensor. The first pressure sensor detects the occupant's weight pressure signal, and sends an occupant seating signal to the controller when the weight pressure signal is greater than 0.

[0104] Specifically, after receiving a passenger seating signal, the controller controls the pedal drive unit 250 to switch the pedal 260 from the unfolded position to the raised position. The fifth displacement sensor detects the displacement information of the pedal 260 in real time, and when the pedal 260 reaches the preset displacement L5 (at which point the pedal 260 moves to the top along the Z direction), it sends an eighth feedback signal to the controller. Simultaneously, the second pressure sensor acquires the pressure signal of the seat cushion 240. If the pressure signal of the seat cushion 240 exceeds a threshold, it determines that the passenger is already sitting on the seat cushion 240 or has an action to sit down, and the second pressure sensor sends a ninth feedback signal to the controller. After receiving the eighth and ninth feedback signals, the controller controls the seat cushion drive unit 230 to switch the seat cushion 240 to the seating position. The third displacement sensor detects the downward displacement of the rear edge of the seat cushion 240 in real time, and when the downward displacement of the rear edge of the seat cushion 240 reaches the preset displacement L3, it sends a tenth feedback signal. After receiving the tenth feedback signal, the controller controls the pedal drive unit 250 to switch the pedal 260 to the folded position, at which point the pedal 260 retracts along the Y direction to the bottom of the seat body 210. The fourth displacement sensor detects the displacement information of the pedal 260 in real time, and when the pedal 260 reaches the preset displacement L4 (at which point the pedal 260 moves along the Y direction to the bottom of the seat body 210), it sends an eleventh feedback signal to the controller. After receiving the eleventh feedback signal, the controller controls the Y-direction drive unit 223, the drive unit 222 and the X-direction drive unit 221 to reset in sequence. The specific steps can be referred to the example in step 320 above, and will not be repeated here.

[0105] In some examples, seat 200 may also include a circumferential arm 270 and a circumferential arm drive unit.

[0106] In step 340, after the drive unit 222 drives the seat body 210 to rotate to face forward, the controller can control the arm drive unit to drive the arm 270 to switch to the arm-embracing position. The seat body 210 may also be equipped with a sixth displacement sensor, which detects the displacement information of the arm 270 in real time. When the arm 270 reaches the set displacement L6, the controller controls the motor of the door 110 to drive the door 110 to close, and detects whether the door 110 is closed via a second angle sensor. Further details are omitted.

[0107] Step 360: In response to the passenger exit signal, control the seat moving assembly 220 to drive the seat body 210 to move to the door 110 and make the seat body 210 face outward from the door 110, control the seat cushion driving unit 230 to drive the seat cushion 240 to switch to the auxiliary position, and then control the pedal driving unit 250 to drive the pedal 260 to switch to the unfolded position.

[0108] Upon receiving a passenger disembarkation signal (which can be triggered via door 110 unlocking signal, a dedicated button inside the vehicle, etc.), the seat movement assembly 220 first drives the seat body 210 from inside the passenger compartment to the door 110. The drive unit 222 then positions the seat body 210 facing outwards from the door 110, facilitating passenger disembarkation. Next, the seat cushion drive unit 230 drives the seat cushion 240 from the seating position to the assist position, providing assistance for the passenger to stand up. Finally, the pedal drive unit 250 drives the pedal 260 from the folded position through the raised position to the unfolded position, reducing the height difference for disembarkation and making it easier for the passenger to get out of the vehicle.

[0109] It is understandable that the specific control steps in step 360 in response to the passenger disembarkation signal are the same as the control steps in step 320 in response to the passenger boarding signal, and will not be repeated here.

[0110] Step 380: In response to the seat 200 closing signal, control the pedal drive unit 250 to drive the pedal 260 to switch to the folding position, then control the seat cushion drive unit 230 to drive the seat cushion 240 to switch to the sitting position, and then control the seat moving assembly 220 to drive the seat body 210 to move into the passenger compartment and make the seat body 210 face the front of the vehicle.

[0111] Upon receiving a signal indicating that seat 200 is closed (which can be triggered via a door 110 closing signal, an in-vehicle control button, etc.), the pedal drive unit 250 is first controlled to move the pedal 260 from the unfolded position to the folded position, saving space. Subsequently, the seat cushion drive unit 230 is controlled to move the seat cushion 240 from the auxiliary position to the seating position, restoring seat 200 to its normal state. Finally, the seat movement assembly 220 is controlled to move the seat body 210 from the door 110 into the passenger compartment, and the rotation unit 222 orients the seat body 210 toward the front of the vehicle, completing the reset of seat 200.

[0112] In some examples, referring to step 340, the first pressure sensor detects the pressure signal of the pedal 260 in real time. When the pressure signal is 0 or less than a certain threshold, it is determined that the passenger has stepped off the pedal 260. At this time, the controller can control the pedal drive unit 250, seat drive unit 230, Y-direction drive unit 223, drive unit 222 and X-direction drive unit 222 to reset. The specific control steps can be referred to the example in step 340, which will not be elaborated here.

[0113] It should be noted that, in order to avoid misjudgment, the second pressure sensor detects the pressure signal of the seat cushion 240 in real time. If the pressure signal of the seat cushion 240 is also 0 or less than a certain threshold, it means that the passenger is neither sitting on the seat cushion 240 nor standing on the foot pedal 260. Thus, it can be determined that the passenger has left the seat 200, and the controller can control the seat 200 to be safely retracted.

[0114] According to the control method provided in this application embodiment, the various actions of the seat 200 are automatically completed in the optimal sequence, greatly simplifying the operation process for elderly people and people with mobility impairments to get on and off the vehicle, and improving the convenience and safety of getting on and off the vehicle. At the same time, the automated control ensures the coordination and accuracy of the actions of each component, avoids errors that may occur during manual operation, further enhances the riding experience of passengers, and makes the vehicle 1000 more in line with the needs of age-friendly design.

[0115] According to some embodiments of this application, in response to a passenger boarding signal, the control method may further include steps 311, 312 and 313.

[0116] Step 311: Obtain the target physiological data of the target passenger, including at least one of height data, gender data, and weight data.

[0117] The target physiological data includes at least one of height, gender, and weight. These data can be obtained in various ways. For example, height data can be obtained by scanning the target passenger's height using an infrared ranging sensor located near the door 110 or inside the passenger compartment; gender data can be obtained through image recognition technology (such as a camera capturing and recognizing passenger facial features) or manually input by the passenger via an onboard terminal; weight data can be detected by a pressure sensor located on the seat body 210 when the passenger initially contacts the seat 200 (e.g., briefly standing on the footrest 260 or the edge of the seat 200 before boarding). The acquisition of this data provides a basis for subsequent personalized adjustments to the seat 200.

[0118] Step 312: Based on the target physiological data and the seat 200 adjustment parameter model, obtain the target seat cushion 240 lifting height and the target seat body 210 displacement data. The seat 200 adjustment parameter model is trained using the sample physiological data of several human subjects as input.

[0119] The seat 200 adjustment parameter model is trained using physiological data from a sample of human subjects as input. This physiological data covers height, weight, and other data for people of different ages and genders, and also records the most comfortable and convenient seat cushion 240 lift height and seat body 210 displacement data for these samples when getting in and out of the vehicle. Machine learning algorithms (such as neural networks and regression analysis) are used to train this data, enabling the model to output the corresponding target seat cushion 240 lift height and target seat body 210 displacement data based on the input target physiological data. This model can be pre-stored in the vehicle 1000's control system and can be continuously optimized and updated based on actual usage.

[0120] The target seat cushion lift height of 240 is the height output by the model based on the target passenger's physiological data, which is suitable for the passenger when getting on and off the vehicle. For example, for taller passengers, the target seat cushion lift height of 240 may be relatively low to avoid the seat cushion being too high and making it difficult for the passenger to bend over; for heavier passengers, the lift height may be appropriately increased to provide stronger support.

[0121] It should be noted that the auxiliary position of the seat cushion 240 is not at a fixed height, but can have multiple height standards depending on the target's physiological data.

[0122] The displacement data of the target seat body 210 includes parameters such as the movement distance of the seat body 210 along the X and Y directions and the rotation angle around the Z axis. Based on passenger height, body type, and other data, the model calculates the most convenient position and orientation for passengers to get on and off the vehicle when the seat 200 is moved to the door 110. For example, for taller passengers, the displacement data of the target seat body 210 may allow the seat 200 to move a slightly larger distance outwards towards the door 110 to provide more space for getting on and off the vehicle.

[0123] Step 313: In response to a passenger boarding signal or a passenger alighting signal, control the seat cushion drive unit 230 to raise the seat cushion 240 to the target seat cushion 240 raising height. In response to a passenger boarding signal or a passenger alighting signal, control the seat moving assembly 220 to move according to the displacement data of the target seat body 210.

[0124] In response to a passenger boarding or alighting signal, the control system controls the seat cushion drive unit 230 to move according to the target seat cushion 240 lifting height, ensuring the seat cushion 240 is accurately raised to that height, providing just the right amount of assistance and cushioning when passengers board or alight. Simultaneously, the control seat movement assembly 220 moves according to the displacement data of the target seat body 210, including precise control of movement distance and rotation angle, so that the position and orientation of the seat 200 at the door 110 perfectly adapt to the passenger's body condition, further enhancing the convenience and comfort of boarding and alighting.

[0125] By acquiring the physiological data of target passengers and using the seat 200 adjustment parameter model for personalized adjustments, the seat cushion 240's lifting height and movement position are made more suitable for the body characteristics and needs of different passengers, further improving the convenience and comfort of getting on and off the vehicle. Especially for the elderly and those with mobility impairments, personalized adjustments can reduce difficulties caused by mismatched seat 200 parameters, making the vehicle 1000's age-friendly design more precise and humanized, greatly improving the passenger's riding experience.

[0126] In some examples, seat 200 may also include a plurality of circumferential arms 270 distributed along the Z-direction.

[0127] The seat 200 adjustment parameter model can also output the corresponding height of the wrap-around arm 270 based on the target occupant's target physiological data, so that the wrap-around arm 270 extends at the appropriate height. In response to the occupant's entry signal, the controller can control the wrap-around arm drive unit to switch the corresponding wrap-around arm 270 to the wrap-around position, ensuring the occupant's riding experience and safety.

[0128] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0129] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0130] In the description of this application, "first feature" and "second feature" may include one or more of the features.

[0131] In the description of this application, "multiple" means two or more.

[0132] In the description of this application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them.

[0133] In the description of this application, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0134] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0135] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A seat, characterized in that, A seat for mounting on a vehicle body, the seat comprising: a seat moving assembly for mounting on the vehicle body; a seat body mounted on an output end of the seat moving assembly and movable relative to the vehicle body under driving of the seat moving assembly; a seat cushion assembly comprising a seat cushion driving unit and a seat cushion, the seat cushion driving unit being mounted on the seat body, the seat cushion being mounted on the seat cushion driving unit, the seat cushion being driven by the seat cushion driving unit to switch between an auxiliary position disposed at an angle with the seat body and a seating position abutting the seat body; a footboard assembly comprising a footboard driving unit and a footboard, the footboard driving unit being mounted on an output end of the seat moving assembly, the footboard being mounted on the footboard driving unit, the footboard being driven by the footboard driving unit to switch between a folding position close to the seat body, a raised position away from the seat body, and a deployed position away from the seat body and lower in height than the raised position.

2. The seat of claim 1, wherein The seat moving assembly comprises: an X-direction driving unit for fixed mounting on the vehicle body; a driving-rotating unit mounted on an output end of the X-direction driving unit to move along an X-direction of the vehicle body under driving of the X-direction driving unit; a Y-direction driving unit mounted on an output end of the driving-rotating unit to rotate about a Z-axis of the vehicle body under driving of the driving-rotating unit, the seat body and the footboard driving unit being mounted on an output end of the Y-direction driving unit, the Y-direction driving unit driving the seat body and the footboard driving unit to move along a Y-direction of the vehicle body.

3. The seat of claim 2, wherein, The X-direction driving unit comprises an X-direction guide slide, an X-direction driving member, an X-direction transmission mechanism and an X-direction slide, the X-direction guide slide being for fixed mounting on the vehicle body, the X-direction slide being in sliding fit with the X-direction guide slide, the X-direction driving member being connected to the X-direction slide, a first fixed part of the X-direction transmission mechanism being fixedly connected with the X-direction guide slide, a first movable part of the X-direction transmission mechanism being power-coupled with the X-direction driving member to drive the X-direction slide, the X-direction driving member and the driving-rotating unit to move along the X-direction of the vehicle body relative to the X-direction guide slide; the driving-rotating unit comprises a fixed disc, a rotating disc and a driving-rotating mechanism, the fixed disc being fixedly connected with the X-direction slide, the rotating disc being rotatably mounted on the fixed disc, the driving-rotating mechanism being mounted on the fixed disc, and an output end of the driving-rotating mechanism being power-coupled with the rotating disc to drive the rotating disc to rotate about the Z-axis relative to the fixed disc; The Y-direction driving unit comprises a Y-direction guide slide, a Y-direction driving member, a Y-direction transmission mechanism and a Y-direction slide, the Y-direction guide slide is fixedly connected to the rotating disc, the Y-direction slide is in sliding fit with the Y-direction guide slide, the seat body and the pedal driving unit are both mounted to the Y-direction slide, the Y-direction driving member is connected to the Y-direction slide, the second fixed part of the Y-direction transmission mechanism is fixedly connected to the Y-direction guide slide, and the second movable part of the Y-direction transmission mechanism is power-coupled with the Y-direction driving member to drive the Y-direction slide, the Y-direction driving member, the seat body and the pedal driving unit to move relative to the Y-direction guide slide along the Y-direction of the vehicle body.

4. The seat of claim 3, wherein The rotating driving mechanism comprises: a power member mounted to a side of the fixed disc away from the rotating disc; a power wheel mounted to a side of the fixed disc facing the rotating disc and power-coupled with an output end of the power member; a driven wheel mounted to a side of the rotating disc facing the fixed disc, the driven wheel being engaged with the power wheel to drive the rotating disc to rotate under the driving of the power wheel.

5. The seat of claim 4, wherein, The rotating driving mechanism further comprises: a power shaft power-coupled with the output end of the power member, the power shaft being provided with a limiting tooth; a driven shaft fixedly connected with the power wheel and coaxially arranged with the power shaft; a lock core provided outside the driven shaft and movably arranged along the axial direction of the driven shaft, one end of the lock core facing the power shaft being provided with a limiting slot, the bottom of the limiting slot being provided with a guide inclined surface arranged at an angle with the radial direction of the power shaft, the limiting tooth being in abutment with the guide inclined surface; a lock sleeve fixedly mounted to the fixed disc and provided on a side of the lock core close to the power shaft, the lock sleeve being in limiting fit with the lock core when the lock core is in contact with the lock sleeve; a restoring member connected between the lock core and the fixed disc to apply an elastic force to the lock core towards the lock sleeve; wherein, when the power shaft rotates, the limiting tooth slides along the guide inclined surface to a first limiting position, the lock core is unlocked and rotated away from the lock sleeve against the action of the restoring member; when the power shaft stops rotating, the lock core moves towards the lock sleeve under the action of the restoring member and is in limiting fit with the lock sleeve, and the limiting tooth slides relative to the guide inclined surface to a second limiting position.

6. The seat of claim 5, wherein, One end of the limiting tooth facing the guide inclined surface is rotatably connected with a power roller, the power roller being in rolling connection with the guide inclined surface.

7. The seat of claim 5, wherein, The restoring member comprises a spring, the spring being provided outside the driven shaft, one end of the spring facing the lock core being provided with an annular support cover provided outside the spring; wherein, one end of the lock core facing the spring is provided with a lock core roller, the lock core roller being in abutment with the annular support cover; and / or, one end of the lock core facing the spring is provided with a plurality of limiting columns, the plurality of limiting columns being distributed along the circumferential direction of the annular support cover.

8. The seat of any of claims 1-7, wherein, Further comprising: a surrounding arm mounted to the backrest of the seat body; The arm embracing driving unit is installed on the backrest and coupled with the arm embracing unit to drive the arm embracing unit to switch between an embracing position, in which the arm embracing unit extends from the backrest and embraces the backrest to form an embracing space, and a retracted position, in which the arm embracing unit is located in the backrest.

9. The seat of claim 8, wherein, The arm embracing unit is provided with a plurality of arm embracing units distributed along the Z direction, and the arm embracing driving unit is configured to drive one of the plurality of arm embracing units to move.

10. A vehicle characterized by comprising: The seat comprises: A vehicle body having a passenger cabin; The seat according to any one of claims 1-9 is installed on the vehicle body and located in the passenger cabin.

11. A control method of a vehicle according to claim 10, characterized by, The control method comprises: In response to a passenger getting-on signal, controlling the seat moving assembly to drive the seat body to move to the position of the vehicle door and to move the seat body towards the outside of the vehicle door, and controlling the seat cushion driving unit to drive the seat cushion to switch to the auxiliary position, and then controlling the footboard driving unit to drive the footboard to switch to the unfolded position; In response to a passenger getting-on signal, controlling the seat moving assembly to drive the seat body to move to the position of the vehicle door and to move the seat body towards the outside of the vehicle door, and controlling the seat cushion driving unit to drive the seat cushion to switch to the auxiliary position, and then controlling the footboard driving unit to drive the footboard to switch to the unfolded position; In response to a passenger getting-on signal, controlling the seat moving assembly to drive the seat body to move to the position of the vehicle door and to move the seat body towards the outside of the vehicle door, and controlling the seat cushion driving unit to drive the seat cushion to switch to the auxiliary position, and then controlling the footboard driving unit to drive the footboard to switch to the unfolded position; In response to a passenger getting-on signal, controlling the seat moving assembly to drive the seat body to move to the position of the vehicle door and to move the seat body towards the outside of the vehicle door, and controlling the seat cushion driving unit to drive the seat cushion to switch to the auxiliary position, and then controlling the footboard driving unit to drive the footboard to switch to the unfolded position; 12. The control method of a vehicle according to claim 11, characterized by Before the response to the passenger getting-on signal, the control method further comprises: Obtaining target physiological data of a target passenger, the target physiological data comprising at least one of height data, gender data and weight data; Obtaining target seat cushion lifting height and target seat body displacement data based on a seat adjustment parameter model according to the target physiological data, wherein the seat adjustment parameter model is trained based on sample physiological data of a plurality of sample human bodies; In response to the passenger getting-on signal or the passenger getting-off signal, controlling the seat cushion driving unit to lift the seat cushion to the target seat cushion lifting height, and in response to the passenger getting-on signal or the passenger getting-off signal, controlling the seat moving assembly to move according to the target seat body displacement data.

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