Vehicle seat, vehicle body structure and vehicle

Abstract

The invention relates to a vehicle seat, a vehicle body structure and a vehicle, and relates to the technical field of vehicles. The vehicle seat comprises a seat cushion and a backrest connected to the seat cushion, and the seat cushion comprises a first end away from the backrest and a second end close to the backrest; the adjusting assembly is connected with the cushion, the adjusting assembly is suitable for being connected with a floor of a vehicle, and the adjusting assembly is used for driving the cushion to be switched between a first height state and a second height state; and the seat is configured to switch the seat cushion into the second height state when the driver and the passenger sit on the seat cushion and the distance between the head of the driver and the car roof is smaller than or equal to the preset distance. According to the vehicle seat, the problem that the adjustment flexibility of the vehicle seat is poor is solved.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, specifically to vehicle seats, body structures, and vehicles. Background Technology

[0002] The vehicle body typically includes vehicle seats, which are used by drivers and passengers. Due to differences in height, posture, and seating needs among drivers and passengers, vehicle seats are usually designed to be adjustable, allowing them to adjust the seats to a more comfortable seating position.

[0003] In the prior art, a car seat height adjustment device is provided, which includes a lifting mechanism disposed below the seat frame and a support mechanism disposed below the lifting mechanism. To achieve seat height adjustment, the lifting mechanism includes two sets of gear and toothed plate assemblies located on both sides of the seat frame. The reduction gear assembly is rotatably inserted into the seat side panel, and includes a gear portion close to the inner side of the seat side panel and a gearbox close to the outer side of the seat side panel. The gear portion and gearbox contain meshing gears. The first end of the toothed plate is mounted on the seat side panel, and the side of the toothed plate facing the reduction gear assembly has teeth that mesh with the gear portion. The second end of the toothed plate is rotatably mounted on the support mechanism. When the gear portion rotates, it meshes with the toothed plate, thereby causing the seat frame to rise or fall.

[0004] In the prior art, a vehicle seat equipped with such a height adjustment device is provided, comprising a seat body disposed on a seat bracket on which the height adjustment device is mounted. The seat bracket has at least one compressed air actuator by means of which the seat body can be set to different heights and can vertically and resiliently support the seat body at the corresponding set height. The seat bracket has at least two support elements, the spacing of which changes during vertical movement of the seat body. One support element of the seat bracket is kinetically connected to at least one control cam slider, which cooperates with at least one actuating component. The at least one actuating component is kinetically connected to another support element and associated with a control valve mechanism. The control valve mechanism is used to control the filling degree of the at least one compressed air actuator. When the use-related weight borne by the at least one compressed air actuator changes, a direct relative switching occurs between the at least one control cam slider and the component carrying and associated with the actuating component.

[0005] However, existing vehicle seat adjustment mechanisms require a relatively high level of vehicle height, which is not conducive to optimizing the interior space, resulting in unreasonable use of interior space and affecting the comfort of passengers. Summary of the Invention

[0006] One objective of this application is to provide a vehicle seat to solve the problem of poor seat adjustment flexibility. A second objective of this application is to provide a vehicle body structure. A third objective of this application is to provide a vehicle.

[0007] To achieve the above objectives, the technical solution adopted in this application is as follows: In a first aspect, embodiments of this application provide a vehicle seat, the vehicle seat including a seat cushion and a backrest and adjustment assembly connected to the seat cushion, the seat cushion including a first end away from the backrest and a second end close to the backrest; the adjustment assembly is connected to the seat cushion and adapted to connect to the floor of the vehicle, the adjustment assembly being used to switch the seat cushion between a first height state and a second height state; when the seat cushion is in the first height state, the height of the first end relative to the floor is a first height, the height of the second end relative to the floor is a second height, when the seat cushion is in the second height state, the height of the first end relative to the floor is a third height, the height of the second end relative to the floor is a fourth height, the third height is greater than the first height, and the fourth height is less than the second height; the seat is configured such that when a driver or passenger is sitting on the seat cushion and the distance between the driver's or passenger's head and the roof is less than or equal to a preset distance, the seat cushion is switched to the second height state.

[0008] According to the aforementioned technical means, by setting up adjustment components and seats in coordination, when the driver or passenger is sitting in the seat and the distance between the driver's / passenger's head and the roof is too close (e.g., the distance between the passenger's head and the roof is less than or equal to a preset distance), the seat cushion can be adjusted from a first height state to a second height state. At this point, since the third height is greater than the first height and the fourth height is less than the second height, the seat cushion can be tilted in a state where the front is higher than the back. Thus, when the driver or passenger sits on the seat cushion, their buttocks move slightly backward and downward, causing their upper body and head to sink backward and downward, increasing the distance between the driver's / passenger's head and the roof, and preventing head collisions. The raised first end of the seat cushion maintains leg support and a comfortable sitting posture for the driver or passenger, preventing excessive forward leaning due to the lowered second end. The adjustment method described in this application does not require raising or lowering the entire seat to adjust its height, thereby reducing the space occupied during seat adjustment, facilitating the rational use of interior space, and improving the comfort of the driver and passengers.

[0009] In one possible implementation, the adjustment assembly includes a support assembly, a movable member, and a power member. The support assembly is adapted to connect to the floor. The movable member includes a movable end and a fixed end, with the fixed end connected to the seat cushion and the movable end rotatably connected to the support assembly. The power member is drively connected to the movable end and is used to drive the movable end to rotate so that the seat switches between a first height state and a second height state.

[0010] Using the aforementioned technical means, by driving the movable parts to rotate around the support assembly, the seat cushion can be switched simultaneously between its first and second height states. This facilitates assembly, reduces the number of parts, and lowers assembly complexity and the risk of failure. The support assembly connects to the vehicle floor, and the connection point between the movable parts and the seat cushion can be flexibly set according to the seat cushion structure without altering the original vehicle floor layout, thus adapting to the installation space of different vehicle models.

[0011] In one possible implementation, the adjustment assembly further includes a rotating member rotatably connected to the support assembly and fixedly connected to the movable end. A power member is driven to the rotating member to drive the rotating member to rotate.

[0012] According to the above-mentioned technical means, the rotating component is connected to both the support component and the movable end. The power component drives the rotating component to rotate, which in turn drives the movable component to rotate synchronously, thus avoiding force loss or deviation during the power transmission process and ensuring the accuracy of seat height switching.

[0013] In one possible implementation, the vehicle seat also includes an elastic element located below the seat cushion. The elastic element and the adjustment assembly are arranged along the length of the vehicle, and the elastic element deforms when the seat is in a second height position.

[0014] Based on the aforementioned technical means, when the seat cushion is switched to the second height position, the seating posture of the driver and passengers is slightly adjusted. The elastic element provides cushioning support through deformation, alleviating the localized pressure concentration on the driver's and passengers' buttocks and legs caused by the height difference, and preventing the driver and passengers from experiencing stiffness or discomfort. The elastic element has shock-absorbing and cushioning characteristics and is arranged along the length of the vehicle with the adjustment components. It can effectively absorb bumps and vibrations during vehicle operation, reduce wear on the adjustment components caused by bearing pressure, and at the same time provide the driver and passengers with softer support, improving the riding experience.

[0015] In one possible implementation, the elastic element includes a spring.

[0016] Based on the above-mentioned technical means, the elastic deformation of the spring is direct and rapid. When the seat cushion switches between the first height state and the second height state, the spring can immediately follow the change in the position of the seat cushion to deform and quickly provide cushioning support without any support lag, ensuring that the comfort is not interrupted during the sitting posture adjustment process.

[0017] In one possible implementation, the spring includes an air-powered spring.

[0018] Based on the aforementioned technical means, air-powered springs can adjust their elastic force by changing the internal air pressure, and can adapt in real time to changes in the weight and posture of drivers and passengers. For example, for heavy drivers and passengers, the air pressure can be automatically increased to enhance support and prevent them from sinking; for light drivers and passengers, the air pressure can be reduced to increase softness, making them more flexible than ordinary springs with a fixed elastic coefficient.

[0019] In one possible implementation, the movable component includes a first movable rod, a second movable rod, and a connecting rod. The first and second movable rods are arranged along the width direction of the vehicle, and the connecting rod connects the first and second movable rods. One end of the first and second movable rods are rotatably connected to a support assembly, and the other ends of the first and second movable rods are fixedly connected to the seat cushion.

[0020] Based on the aforementioned technical means, the first and second movable rods are symmetrically arranged along the width of the vehicle, forming a frame structure in conjunction with the connecting rod. This structure evenly distributes the pressure of the seat cushion to multiple support points along the width, preventing seat cushion tilting or wobbling caused by concentrated force on one side. The frame structure formed by the first and second movable rods and the connecting rod has stronger torsional and bending resistance than a single movable rod, and can withstand the impact pressure when passengers sit down and the vibration during vehicle operation, reducing the risk of deformation of the movable rods. At the same time, it disperses wear at the rotating joints, extending the service life of the entire adjustment assembly.

[0021] In one possible implementation, both the first movable rod and the second movable rod include a connecting portion and a bent portion. One end of the connecting portion forms a fixed end, and the other end of the connecting portion is connected to one end of the bent portion. The other end of the bent portion forms a movable end, and the bent portion bends toward the backrest relative to the connecting portion.

[0022] According to the above-mentioned technical means, the bending part bends towards the backrest, which allows the movable end of the moving rod to be arranged closer to the backrest side, avoiding the leg support area near the first end under the seat cushion, avoiding movement interference with the elastic element and other parts of the vehicle floor, and making full use of the longitudinal space under the seat.

[0023] Secondly, embodiments of this application also provide a vehicle body structure, which includes a vehicle seat and a vehicle body body as described in the first aspect, with the vehicle seat disposed within the vehicle body body.

[0024] In one possible implementation, the vehicle body includes a roof, and the vehicle seat adjustment assembly includes a distance measuring device disposed on the roof for detecting the distance between the roof and the head of the driver or passenger.

[0025] Based on the aforementioned technical means, the distance measuring device is installed on the roof of the vehicle, which can measure the distance between the head of the driver and passengers and the roof, avoiding indirect measurement errors caused by seat and vehicle body vibration, and providing reliable data support for switching the seat cushion to the second height state.

[0026] In one possible implementation, the ranging device includes a distance sensor.

[0027] Based on the above-mentioned technical means, the distance sensor has accurate detection, can achieve distance measurement at the millimeter or centimeter level, and has small data error.

[0028] Thirdly, embodiments of this application also provide a vehicle, which includes the vehicle body described in the second aspect above.

[0029] Since the vehicle provided in this application includes the body structure in the second aspect, it can solve the same technical problems as the above-mentioned body structure and achieve the same technical effects, it will not be described again here. Attached Figure Description

[0030] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application, and do not constitute an undue limitation of this application.

[0031] Figure 1 This is a structural schematic diagram of a vehicle seat provided in an embodiment of this application; Figure 2 for Figure 1 A schematic diagram of a vehicle seat in a first height state is provided in the embodiment; Figure 3 for Figure 1 A schematic diagram of a vehicle seat in a second height state is provided in the embodiment; Figure 4 for Figure 1 A schematic diagram of the structure of an adjustment component in a vehicle seat is provided in the embodiment.

[0032] Figure label: 100 - Seat cushion; 110 - First end; 120 - Second end; 200-backrest; 300 - Adjustment component; 310 - Support component; 320 - Moving part; 321 - First moving rod; 322 - Second moving rod; 323 - Connecting rod; 330 - Power component; 340 - Rotating component; 400 - Elastic component; 510 - First altitude status; 520 - Second altitude status; 600-Distance measuring device; 700 - vehicle; 710 - body. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, when describing pipelines, the terms "connected" and "linked" as used in this application have the meaning of establishing electrical connection. The specific meaning needs to be understood in conjunction with the context.

[0037] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0038] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0039] Please see Figures 1-4 This application provides a vehicle 700. The vehicle 700 can be a pure electric vehicle, a hybrid electric vehicle, a plug-in hybrid electric vehicle, a range-extended electric vehicle, a gasoline vehicle, etc.

[0040] In some embodiments, the vehicle 700 includes a body structure, which includes a vehicle seat and a body body. The vehicle seat is disposed within the body body and is used to carry occupants to ensure comfort and safety during the driving process.

[0041] In some examples, the types of vehicle seats include driver's seats, front passenger seats, and rear seats, etc. This application uses rear seats as an example for illustration.

[0042] In some embodiments, the vehicle seat includes a seat cushion 100, a backrest 200, and an adjustment assembly 300. The backrest 200 is connected to the seat cushion 100, which is a component for supporting the buttocks and thighs of a driver or passenger, and the backrest 200 is for supporting the back of a driver or passenger. Along the length of the vehicle 700, the backrest 200 is connected to the rear end of the seat cushion 100 and is at least partially located on the upper side of the seat cushion 100. The seat cushion 100 includes a first end 110 away from the backrest 200 and a second end 120 near the backrest 200. For example, along the length of the vehicle 700, the first end 110 is the front end of the seat cushion 100, and the second end 120 is the rear end of the seat cushion 100.

[0043] Specifically, the first end 110, which is away from the backrest 200 and close to the knee of the driver or passenger, is mainly used to support the front thigh area of ​​the driver or passenger. The length of the first end 110 can be preset according to the vehicle model to ensure the comfort of the driver or passenger.

[0044] The second end 120 near the backrest 200, which is the second end 120 that fits against the area below the buttocks of the driver or passenger, is used to support the weight of the driver or passenger's buttocks and provide stable support for the driver or passenger.

[0045] In some examples, the seat also includes a telescopic structure connected to the first end 110 of the seat cushion 100. The telescopic structure adjusts the extension length of the first end 110 of the seat cushion 100 to provide sufficient leg support for taller drivers and passengers, further improving the riding comfort of the drivers and passengers.

[0046] For example, the telescopic structure can be an electric actuator, a cylinder, etc.

[0047] In some examples, the seat cushion 100 is filled with high-resilience foam to ensure that passengers do not easily collapse during long-term use.

[0048] In some embodiments, the adjustment component 300 is connected to the seat cushion 100 and is adapted to connect to the floor of the vehicle 700. The adjustment component 300 is used to switch the seat cushion 100 between a first height state 510 and a second height state 520.

[0049] When the cushion 100 is in the first height state 510, the height of the first end 110 relative to the floor is the first height, and the height of the second end 120 relative to the floor is the second height. When the cushion 100 is in the second height state 520, the height of the first end 110 relative to the floor is the third height, and the height of the second end 120 relative to the floor is the fourth height. The third height is greater than the first height, and the fourth height is less than the second height.

[0050] Specifically, when the seat cushion 100 is in its first height state 510, the seat cushion 100 is parallel to the floor of the vehicle 700, or the seat cushion 100 has a small tilt angle relative to the floor of the vehicle 700, for example, the tilt angle can be 0°-5°. At this time, the driver and passenger's buttocks are slightly lower, which can reduce the feeling of unsupported lower back pain, and the front of the driver and passenger's thighs are slightly higher, which can avoid pressure on the back of the knees, thus ensuring the comfort of the driver and passenger.

[0051] When the adjustment component 300 switches the seat cushion 100 from the first height state 510 to the second height state 520, the third height is raised while the fourth height is lowered. By raising the thigh support point of the driver and passenger and lowering the position of the driver and passenger's buttocks, the distance between the driver and passenger's head and the roof is increased, making the driver and passenger's head more comfortable. For example, when the seat cushion 100 is in the second height state 520, the seat cushion 100 has a large tilt angle relative to the floor of the vehicle 700, for example, the tilt angle can be 5°-20°.

[0052] In some examples, the height difference between the first height and the second height can be 3cm-5cm, such as 3cm, 4cm and 5cm, etc.

[0053] In some embodiments, the seat is configured to switch the seat cushion 100 to a second height state 520 when the occupant is sitting on the seat cushion 100 and the distance between the occupant's head and the roof is less than or equal to a preset distance.

[0054] Specifically, when the driver or passenger sits on the seat cushion 100, if the vertical distance between the driver or passenger's head and the roof is less than or equal to a preset distance, the adjustment component 300 will be triggered to switch the seat cushion 100 from the initial first height state 510 to the second height state 520. By optimizing the posture of the driver or passenger on the seat cushion 100, the gap between the head and the roof is indirectly increased, avoiding discomfort caused by the driver or passenger's head hitting the roof, while ensuring riding safety and comfort.

[0055] By setting the adjustment component 300 and the seat to work together, when the head of the driver or passenger is too close to the roof, the second end 120 of the seat cushion 100 is lowered, which will cause the buttocks of the driver or passenger to move slightly backward and downward, thereby causing the upper body and head of the driver or passenger to sink backward and downward, increasing the distance between the head of the driver or passenger and the roof, and eliminating the risk of head injury.

[0056] In some examples, the preset distance between the driver's / passenger's head and the roof can be 5cm-10cm. For example, 5m, 6m, 8cm, and 10cm, etc.

[0057] In some embodiments, the adjustment assembly 300 includes a support assembly 310, a movable member 320, and a power member 330, wherein the support assembly 310 is adapted to connect to the floor. The movable member 320 is connected between the support assembly 310 and the cushion 100.

[0058] Specifically, the support component 310 is fixedly connected to the preset installation points on the floor of the vehicle 700. The support component 310 is used to bear the entire weight of the seat and the driver and passengers, and also provides basic support for seat adjustment. At the same time, it isolates the vibration and noise transmitted from the floor, ensuring stability and comfort during the ride.

[0059] In some examples, the support component 310 is made of Q235 steel or lightweight aluminum alloy.

[0060] In some examples, the surface of the support component 310 is treated with electrophoretic rust prevention or powder coating to prevent corrosion caused by humid environments during long-term use.

[0061] In some examples, the support assembly 310 includes a first support member and a second support member. The first support member is fixedly connected to the floor of the vehicle 700 by bolts, and the second support member is fixedly connected to the first support member. For example, the first and second support members can be rod-shaped structures, plate-shaped structures, U-shaped structures, L-shaped structures, irregular structures, etc., and this application does not impose any specific limitations.

[0062] Optionally, the support assembly 310 also includes a buffer. The first support is connected to the floor of the vehicle 700 via the buffer. The buffer is used to reduce the vibration transmitted from the floor to the seat when the vehicle 700 is in motion, so as to ensure the comfort of the seat.

[0063] For example, the buffer can be a rubber pad or a polyurethane shock absorber, etc.

[0064] In some embodiments, the movable member 320 includes a movable end and a fixed end, the fixed end being connected to the seat cushion 100, and the movable end being rotatably connected to the support assembly 310, wherein the direction of the axis of rotation of the movable end relative to the support assembly 310 is consistent with the width direction of the vehicle 700.

[0065] In some examples, the connection between the fixed end and the seat cushion 100 is a bolt connection, which is easy to disassemble.

[0066] In other examples, the connection between the fixed end and the seat cushion 100 can also be welding, snap-fitting, etc.

[0067] In some examples, the connection between the active end and the support component 310 can be via a pin connection, a hinge connection, or the like.

[0068] In some embodiments, the power member 330 is connected to the movable end via a transmission, and the power member 330 is used to drive the movable end to rotate so that the seat switches between a first height state 510 and a second height state 520.

[0069] Specifically, when the distance between the head of the passenger and the roof is less than or equal to a preset distance, the power unit 330 drives the movable end to rotate downward, and the first end 110 of the seat cushion 100 rises from the first height to the third height. The second end 120 of the seat cushion 100 falls from the second height to the fourth height. At this time, the seat cushion 100 switches to the second height state 520.

[0070] By driving the movable end of the moving part 320 to rotate around the support assembly 310, the seat cushion 100 can be switched between the first height state 510 and the second height state 520 simultaneously, making adjustment convenient and quick. Furthermore, the aforementioned adjustment assembly 300 has a simple structure, is easy to assemble, reduces the number of parts, and lowers assembly complexity and the risk of failure.

[0071] In some examples, the power component 330 is a motor, such as a DC geared motor.

[0072] In other examples, the power component 330 can also be a pneumatic motor, a hydraulic cylinder, etc.

[0073] In some embodiments, the adjustment assembly 300 further includes a rotating member 340, which is rotatably connected to the support assembly 310 and fixedly connected to the movable end. The power member 330 is drively connected to the rotating member 340 to drive the rotating member 340 to rotate.

[0074] Specifically, when the distance between the occupant's head and the roof is less than or equal to a preset distance, the power unit 330 is activated and outputs power to drive the rotating component 340 to rotate around the support assembly 310. Since the rotating component 340 is fixedly connected to the movable end, the rotating component 340 drives the movable end to rotate synchronously. The movable end pulls the front end of the seat cushion 100 upward through the fixed end, raising it from the first height to the third height. At the same time, the rear end of the seat cushion 100 naturally sinks down with the rotation of the movable end, lowering it from the second height to the fourth height. The power unit 330 stops working, and the seat stabilizes at the second height state 520.

[0075] Thus, by rotatably connecting the rotating member 340 to the support assembly 310 and fixing the movable member 320 to the rotating member 340, the movable member 320 can be easily connected to the support assembly 310 and rotate relative to the support assembly 310. Furthermore, by transmitting power through the power member 330 to the rotating member 340, the power member 330 drives the movable member 320 to rotate by driving the rotating member 340 to rotate. This facilitates the setting of the power member 330 and makes it convenient for the power member 330 to drive the movable member 320 to rotate.

[0076] In some examples, the rotating component 340 is a hinge, pin, etc.

[0077] In some examples, the rotating part 340 is made of cold-rolled steel sheet.

[0078] In other examples, the rotating part 340 can also be made of aluminum alloy, fiberglass, etc.

[0079] In some embodiments, the vehicle seat further includes an elastic element 400 disposed below the seat cushion 100. The elastic element 400 and the adjustment assembly 300 are arranged along the length of the vehicle 700. When the seat is in the second height state 520, the elastic element 400 deforms.

[0080] Specifically, when the seat cushion 100 switches to the second height state 520, the driver's and passenger's sitting posture is slightly adjusted. The elastic element 400 provides cushioning support through deformation, which relieves the local pressure concentration on the driver's and passenger's buttocks and legs caused by the height difference, and avoids the driver and passenger experiencing stiffness or discomfort in their sitting posture.

[0081] Furthermore, the elastic element 400 has shock absorption and cushioning characteristics. Arranged along the length of the vehicle 700 with the adjustment component 300, it can effectively absorb the bumps and vibrations during the vehicle 700's operation, reduce the wear of the adjustment component 300 caused by bearing pressure, and at the same time allow the driver and passengers to feel softer support, improving the ride quality during driving.

[0082] In some examples, along the length of the vehicle 700, the elastic element 400 is located behind the adjustment assembly 300, and the elastic element 400 is compressed when the seat cushion 100 is in the second height state 520. In other examples, along the length of the vehicle 700, the elastic element 400 is located in front of the adjustment assembly 300, and the elastic element 400 is stretched when the seat cushion 100 is in the second height state 520.

[0083] In some embodiments, the elastic element 400 includes a spring.

[0084] Specifically, the elastic deformation of the spring is direct and rapid. When the seat cushion 100 switches between the first height state 510 and the second height state 520, the spring can immediately follow the position change of the seat cushion 100 to deform and quickly provide cushioning support without any support lag, ensuring that the comfort is not interrupted during the sitting posture adjustment process.

[0085] In some embodiments, the spring includes an air-powered spring.

[0086] Specifically, air-powered springs adjust their elastic force by changing internal air pressure, adapting in real time to changes in the weight and posture of passengers. For example, for heavier passengers, the air pressure can be automatically increased to enhance support and prevent them from sinking in. For lighter passengers, the air pressure is reduced to increase softness, making them more flexible than ordinary springs with a fixed elastic coefficient.

[0087] In other embodiments, the spring includes a shock-absorbing spring. Shock-absorbing springs absorb vibrations through the elastic deformation of the metal material; they exhibit minimal elastic force decay over long-term use, resulting in a long service life and low maintenance costs.

[0088] In some other embodiments, the spring includes a metal sheet. When subjected to an external force, the metal sheet can quickly bend and rebound, cushioning the impact and improving the comfort of passengers.

[0089] In some other embodiments, the elastic element 400 may also be a rubber element, a latex element, a silicone element, etc.

[0090] In some embodiments, the movable component 320 includes a first movable rod 321, a second movable rod 322, and a connecting rod 323. The first movable rod 321 and the second movable rod 322 are arranged along the width direction of the vehicle 700, and the connecting rod 323 connects the first movable rod 321 and the second movable rod 322. One end of the first movable rod 321 and one end of the second movable rod 322 are rotatably connected to the support assembly 310, and the other end of the first movable rod 321 and the other end of the second movable rod 322 are fixedly connected to the seat cushion 100.

[0091] Specifically, the first movable rod 321 and the second movable rod 322 are symmetrically arranged along the width direction of the vehicle 700, and together with the connecting rod 323, they form a frame structure that can evenly distribute the pressure of the seat cushion 100 to multiple support points in the width direction, thus avoiding the seat cushion 100 tilting or shaking due to concentrated force on one side.

[0092] The frame structure formed by the first movable rod 321, the second movable rod 322, and the connecting rod 323 has stronger torsional and bending resistance than a single movable rod. It can withstand the impact pressure when the driver and passengers sit down and the vibration during vehicle 700 operation, reducing the risk of deformation of the movable rod, while dispersing wear at the rotating connection and extending the service life of the entire adjustment assembly 300.

[0093] In some examples, the first movable rod 321 is made of high-strength carbon steel, such as Q345 steel.

[0094] In some examples, the surface of the first movable rod 321 is electroplated to improve rust resistance and prevent corrosion caused by the humid environment under the seat.

[0095] In other examples, the first movable rod 321 can also be made of alloy structural steel, aluminum alloy, etc.

[0096] It should be noted that the materials of the second movable rod 322 and the connecting rod 323 can be the same as those of the first movable rod 321. Alternatively, the materials of the second movable rod 322 and the connecting rod 323 can also be different from those of the first movable rod 321.

[0097] In some embodiments, both the first movable rod 321 and the second movable rod 322 include a connecting portion and a bending portion. One end of the connecting portion forms a fixed end, and the other end of the connecting portion is connected to one end of the bending portion. The other end of the bending portion forms a movable end, and the bending portion bends toward the backrest 200 relative to the connecting portion.

[0098] Specifically, the curved part bends toward the backrest 200, which allows the movable end of the movable rod to be arranged closer to the backrest 200 side, avoiding the leg support area near the first end 110 under the seat cushion 100, avoiding movement interference with the elastic element 400 and other parts of the vehicle 700 floor, and making full use of the longitudinal space under the seat.

[0099] In some examples, the bending angle of the curved portion is 40°-60°, such as 40°, 50°, 55° or 60°, etc.

[0100] In some examples, the bends are cold-formed to ensure that the strength does not decrease after bending.

[0101] In some examples, the curved surfaces are powder-coated to prevent corrosion at the bends.

[0102] In some embodiments, the vehicle body 710 structure further includes a distance measuring element 600 disposed on the roof for detecting the distance between the roof and the head of the driver or passenger.

[0103] Specifically, the distance measuring device 600 is installed on the roof, directly above the seat. The distance measuring device 600 continuously detects the vertical distance between the highest point of the driver's or passenger's head and the roof. When the distance measuring device 600 detects that the distance is less than a preset value, it triggers an adjustment command. After receiving the command, the adjustment component 300 drives the seat cushion 100 height adjustment to switch from the first height state 510 to the second height state 520.

[0104] In some embodiments, the rangefinder 600 includes a distance sensor. The distance sensor has high detection accuracy, enabling millimeter-level or centimeter-level distance measurement with minimal data error.

[0105] In some other embodiments, the rangefinder 600 includes an infrared sensor, which is low-cost and has a fast response.

[0106] In some embodiments, the vehicle 700 may further include a controller, with the distance measuring device 600 and the adjustment assembly 300 both electrically connected to the controller. The distance measuring device 600 transmits the detected distance information between the roof and the head of the occupant to the controller. When the controller determines that the distance between the roof and the occupant's head is less than or equal to a preset distance, it controls the adjustment assembly 300 to switch the seat from a first height state 510 to a second height state 520. Furthermore, when the distance information detected by the measuring device between the roof and the occupant's head is greater than the preset information, the controller can control the adjustment assembly 300 to switch the seat from the second height state 520 to the first height state 510.

[0107] In addition, control buttons can be installed on the seat, and the driver and passengers can send information to the controller to adjust the seat, so that the controller can adjust the seat between the first opening state and the second height state 520 through the adjustment component 300.

[0108] In some other embodiments, the seat can be switched between a first height state 510 and a second height state 520 by the driver or passenger manually controlling the forward and reverse rotation of the power unit 330.

[0109] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for descriptive purposes only and is not intended to limit the scope of this application. Features described in one embodiment may be applied, alone or in combination with other features, to another embodiment, unless that feature is not applicable in that other embodiment or is otherwise stated.

[0110] The application has been described through the above embodiments; however, it should be understood that the above embodiments are for illustrative purposes only and are not intended to limit the application to the described embodiments. Furthermore, those skilled in the art will understand that the application is not limited to the above embodiments, and many more variations and modifications can be made based on the teachings of this application, all of which fall within the scope of protection claimed in this application.

Claims

1. A vehicle seat characterized by comprising: The seat comprises: a seat cushion (100) and a backrest (200) connected to the seat cushion (100), the seat cushion (100) comprising a first end (110) away from the backrest (200) and a second end (120) close to the backrest (200); an adjusting assembly (300) connected to the seat cushion (100) and adapted to be connected to a floor of a vehicle (700), the adjusting assembly (300) being used to drive the seat cushion (100) to switch between a first height state (510) and a second height state (520); when the seat cushion (100) is in the first height state (510), a first height of the first end (110) relative to a height of the floor, and a second height of the second end (120) relative to the height of the floor, when the seat cushion (100) is in the second height state (520), a third height of the first end (110) relative to the height of the floor, and a fourth height of the second end (120) relative to the height of the floor, the third height being greater than the first height, and the fourth height being less than the second height; the seat is configured to switch the seat cushion (100) to the second height state (520) when an occupant sits on the seat cushion (100), and a distance between the occupant's head and a roof of the vehicle is less than or equal to a preset distance.

2. The vehicle seat according to claim 1, characterized by The adjusting assembly (300) comprises: a support assembly (310) adapted to be connected to the floor; a movable member (320) comprising a fixed end connected to the seat cushion (100) and a movable end rotatably connected to the support assembly (310); a power member (330) in transmission connection with the movable end, the power member (330) being used to drive the movable end to rotate to switch the seat between the first height state (510) and the second height state (520).

3. The vehicle seat according to claim 2, characterized by The adjusting assembly (300) further comprises a rotating member (340) rotatably connected to the support assembly (310) and fixedly connected to the movable end, the power member (330) being in transmission connection with the rotating member (340) to drive the rotating member (340) to rotate.

4. The vehicle seat according to any one of claims 1-3, characterized by Further comprising an elastic member (400) arranged below the seat cushion (100), the elastic member (400) and the adjusting assembly (300) being arranged along a length direction of the vehicle (700), the elastic member (400) being deformed when the seat is in the second height state (520).

5. The vehicle seat according to claim 4, characterized by The elastic member (400) comprises a spring.

6. The vehicle seat according to claim 5, characterized by The spring comprises an air spring.

7. The vehicle seat according to claim 2, characterized by The movable part (320) comprises a first movable rod (321), a second movable rod (322) and a connecting rod (323), the first movable rod (321) and the second movable rod (322) are arranged along the width direction of the vehicle (700), and the connecting rod (323) is connected between the first movable rod (321) and the second movable rod (322); One end of the first movable rod (321) and one end of the second movable rod (322) are rotatably connected with the support assembly (310), and the other end of the first movable rod (321) and the other end of the second movable rod (322) are fixedly connected with the seat cushion (100).

8. The vehicle seat according to claim 7, characterized by The first movable rod (321) and the second movable rod (322) each comprise a connecting portion and a curved portion, one end of the connecting portion forms the fixed end, the other end of the connecting portion is connected with one end of the curved portion, the other end of the curved portion forms the movable end, and the curved portion is curved towards the backrest (200) relative to the connecting portion.

9. A vehicle body structure characterized by comprising: The vehicle seat according to any one of claims 1-8 is arranged in a vehicle body (710) body.

10. The vehicle body structure according to claim 9, characterized by The vehicle body (710) body comprises a roof and a distance measuring part (600), the distance measuring part (600) is arranged on the roof and is used for detecting the distance between the roof and the head of a driver or passenger.

11. The vehicle body structure according to claim 10, characterized by The distance measuring part (600) comprises a distance sensor.

12. A vehicle characterized by comprising: The vehicle body structure according to any one of claims 9-11.

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