Seat frame, seat and vehicle

Abstract

The present disclosure provides a seat frame, a seat and a vehicle, the seat frame comprising a seat frame, a seat basin, a driving member and a limiting component, the front end of the seat basin being rotatably connected with the seat frame; the driving member being connected with the seat basin, the driving member being used to drive the seat basin to rotate relative to the seat frame, so that the rear end of the seat basin is lifted relative to the seat frame; the limiting component being connected between the seat frame and the seat basin, so as to limit the lifting height of the rear end of the seat basin. The seat frame of the present disclosure effectively limits the lifting height of the rear end of the seat basin by arranging the limiting component, prevents the rear end of the seat cushion from being turned forward due to the inertial impact or bumping of the vehicle during driving, and ensures the safety of the passengers. Since the stability of the seat cushion angle is ensured, the passengers will not be affected by the movement of the seat during riding, the abnormal sound during driving is reduced, and the riding experience is improved.

Description

Technical Field

[0001] This disclosure relates to the field of vehicle seat technology, specifically to a seat frame, a seat, and a vehicle. Background Technology

[0002] As people's demand for vehicle comfort and versatility continues to increase, seat-bed functionality is gradually becoming an important feature in multi-functional vehicles. In related technologies, seat-bed technology mainly relies on a rotating shaft at the front of the seat cushion to achieve horizontal alignment between the cushion and the backrest. However, during the conversion process, the angular stability of the seat cushion cannot be effectively guaranteed. When the vehicle encounters inertial impacts or bumps while driving, the rear end of the seat cushion is prone to flipping forward, which not only affects the safety of the occupants but may also cause abnormal noises during driving, reducing the riding experience. Utility Model Content

[0003] This disclosure aims to at least partially address one of the technical problems in the related art.

[0004] Therefore, embodiments of this disclosure provide a seat frame, a seat, and a vehicle.

[0005] The seat frame of this embodiment includes a seat frame, a seat basin, a drive member, and a limiting member. The front end of the seat basin is rotatably connected to the seat frame. The drive member is connected to the seat basin and is used to drive the seat basin to rotate relative to the seat frame, so that the rear end of the seat basin is raised or lowered relative to the seat frame. The limiting member is connected between the seat frame and the seat basin to limit the lifting height of the rear end of the seat basin.

[0006] The seat frame of this embodiment effectively limits the lifting height of the rear end of the seat cushion by setting a limiting component, preventing the rear end of the seat cushion from flipping forward due to inertial impact or bumps during vehicle operation, thus ensuring the safety of the occupants. Because the stability of the seat cushion angle is guaranteed, passengers will not be affected by seat movement during riding, reducing abnormal noises during driving and thereby improving the riding experience.

[0007] In some embodiments, the limiting component includes a first link and a second link, a first end of the first link being rotatably connected to the seat frame, a second end of the first link being rotatably connected to the first end of the second link, and a second end of the second link being rotatably connected to the rear end of the seat basin.

[0008] By using two linkages as the limiting components, the limiting mechanism can more effectively control the rearward lifting of the seat pan, maintaining the stability of the seat structure even during severe bumps in the vehicle. Simultaneously, the linkage structure can provide some cushioning when the vehicle is impacted, reducing the impact force on the seat structure. Because the linkage structure is relatively simple and each component is rotatable, replacement and maintenance are relatively easy.

[0009] In some embodiments, the front end of the basin is rotatably connected to the seat frame via a first pivot, and the second end of the first connecting rod is rotatably connected to the first end of the second connecting rod via a second pivot that is substantially parallel to the first pivot.

[0010] The dual-axis design allows for precise control of the seat's rotation, ensuring smoothness and accuracy during transitions. The two sets of linkages and axes increase the reliability of the seat structure, maintaining functional stability even with prolonged use and frequent transitions. The synergistic effect of the linkages and axes makes the transition from a sitting position to a bed position simpler and more intuitive, enhancing the user experience.

[0011] In some embodiments, the limiting component includes a first limiting component and a second limiting component, which are arranged at intervals in the width direction of the seat frame.

[0012] This design ensures that the lifting motion of both sides of the seat basin is synchronized and uniform during seat transitions. Simultaneously, the spaced arrangement of the two limiting components provides more stable support points, helping to prevent the seat from swaying and shifting during transitions or vehicle movement. Because the limiting components are evenly distributed along the width of the seat frame, the movement of the seat basin during transitions is more uniform, reducing the risk of seat damage caused by uneven support. Even and stable support contributes to improved seat comfort, allowing occupants to have a good experience whether sitting or resting.

[0013] In some embodiments, the seat frame further includes a crossbar, the first end of which is connected to the first limiting member, and the second end of which is connected to the second limiting member.

[0014] The main function of the crossbar is to transmit and distribute force. When the seat encounters bumps or impacts during travel, the crossbar can transfer the force from the limiting components on one side to the other, thereby maintaining the overall stability of the seat and reducing seat structure deformation caused by vehicle bumps. The addition of the crossbar helps ensure that the limiting components on both sides can work synchronously when the seat is transformed from a sitting position to a bed position, thus achieving a smooth and even transition.

[0015] In some embodiments, the first end of the crossbar is connected to the first connecting rod of the first limiting component, and the second end of the crossbar is connected to the first connecting rod of the second limiting component; or the first end of the crossbar is connected to the second connecting rod of the first limiting component, and the second end of the crossbar is connected to the second connecting rod of the second limiting component. These two different connection methods provide flexibility in configuration, allowing the selection of the most suitable connection method based on specific application scenarios and seat structure requirements.

[0016] In some embodiments, the crossbar includes a first crossbar and a second crossbar, a first end of the first crossbar being connected to a first connecting rod of the first limiting member, and a second end of the first crossbar being connected to a first connecting rod of the second limiting member; a first end of the second crossbar being connected to a second connecting rod of the first limiting member, and a second end of the second crossbar being connected to a second connecting rod of the second limiting member.

[0017] The addition of two sets of crossbars not only strengthens the connection between the limiting components but also provides extra lateral support, helping to maintain the overall stability of the seat frame, especially when the seat is transitioning from a sitting position to a bed position. The connection of the two sets of crossbars provides double lateral support to the seat, which greatly enhances the seat's stability during vehicle movement. The additional support structure helps prevent the seat from deforming or shifting upon impact, thus improving passenger safety. By distributing and transferring forces, the crossbars help reduce stress on individual seat components, thereby extending the seat's lifespan.

[0018] In some embodiments, the drive member and the limiting member are positioned vertically between the seat frame and the seat basin. This arrangement allows the seat to occupy less space inside the vehicle, improving the utilization of interior space. The installation locations of the drive member and the limiting member are relatively easily accessible, facilitating seat maintenance and repair.

[0019] In some embodiments, the drive element is a push rod motor, which is disposed on the seat frame, and the push rod of the push rod motor is rotatably connected to the seat basin. The push rod motor can provide precise thrust and position control, making the seat transition process smoother and more accurate.

[0020] In some embodiments, the seat has a connecting portion, which is rotatably connected to the push rod of the push rod motor via a third rotating shaft. The third rotating shaft and the connecting portion ensure smoother rotation of the seat, reducing vibration and noise that may occur during transitions. The connection of the third rotating shaft ensures the stability of the seat during transitions, reducing potential safety risks caused by seat movement.

[0021] In some embodiments, the connecting portion is located at the rear end of the seat and extends toward the seat frame, enabling it to be effectively connected to the push rod of the push rod motor. The seat in this embodiment includes a backrest frame and a seat frame, wherein the backrest frame and the seat frame are rotatably connected, and the seat frame is the seat frame described in any of the above embodiments.

[0022] In some embodiments, the backrest frame can be rotated to be substantially in the same plane as the seat frame to form a seat bed. The seat bed function increases the versatility of the vehicle, allowing it to provide not only normal seating space but also rest or sleeping space. The seat bed configuration makes more efficient use of the vehicle's interior space, allowing for flexible conversion of the space as needed. The seat bed can be converted according to the needs of the occupants, suitable for different scenarios such as long-distance travel, camping, or business trips. The conversion process is relatively simple; occupants can easily transform the seat into a bed without complicated operations. The seat bed function enhances the occupant's riding experience, especially during long journeys or when temporary rest is required.

[0023] The vehicle of this disclosure includes the seat described in any of the above embodiments. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the backrest structure according to an embodiment of the present disclosure.

[0025] Figure 2 This is an exploded view of the backrest according to an embodiment of the present disclosure. Figure 3 This is a cross-sectional view of an embodiment of this disclosure.

[0026] Figure label: 100. Seat frame; 200. Backrest frame; 1. Seat frame; 2. Seat tray; 3. Drive component; 301. Push rod; 4. Limiting component; 401. First connecting rod; 402. Second connecting rod; 5. First pivot; 6. Second pivot; 7. Crossbar; 8. Third pivot. Detailed Implementation

[0027] Embodiments of this disclosure are described in detail below, with examples of these embodiments illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this disclosure, and should not be construed as limiting it.

[0028] like Figures 1 to 3As shown, the seat frame 100 of this embodiment includes a seat frame 1, a seat basin 2, a drive member 3, and a limiting member 4. The front end of the seat basin 2 is rotatably connected to the seat frame 1; the drive member 3 is connected to the seat basin 2 and is used to drive the seat basin 2 to rotate relative to the seat frame 1, so that the rear end of the seat basin 2 rises or falls relative to the seat frame 1. The limiting member 4 is connected between the seat frame 1 and the seat basin 2 to limit the lifting height of the rear end of the seat basin 2.

[0029] In use, the front end of the seat basin 2 is rotatably connected to the seat frame 1, allowing the seat basin 2 to rotate relative to the seat frame 1. A drive member 3 is connected to the seat basin 2, and its main function is to drive the seat basin 2 to rotate relative to the seat frame 1. When the drive member 3 is activated, it pushes or pulls the seat basin 2, causing the rear end of the seat basin 2 to rise or fall relative to the seat frame 1, thereby achieving the conversion from a seat to a bed. A limiting member 4 is located between the seat frame 1 and the seat basin 2, and its function is to limit the height of the rear end of the seat basin 2. Thus, even if the vehicle encounters inertial impact or bumps during travel, the rear end of the seat basin 2 will not rise to a dangerous height, avoiding the risk of it tipping forward.

[0030] The seat frame 100 of this embodiment effectively limits the lifting height of the rear end of the seat cushion 2 by setting the limiting component 4, preventing the rear end of the seat cushion from flipping forward due to inertial impact or bumps during vehicle operation, thus ensuring the safety of the occupants. Because the stability of the seat cushion angle is guaranteed, passengers are not affected by seat movement during riding, reducing abnormal noises during driving and improving the riding experience.

[0031] In some embodiments, the limiting component 4 includes a first link 401 and a second link 402. The first end of the first link 401 is rotatably connected to the seat frame 1, the second end of the first link 401 is rotatably connected to the first end of the second link 402, and the second end of the second link 402 is rotatably connected to the rear end of the seat basin 2.

[0032] like Figure 3 As shown, when the driving component 3 drives the rear end of the basin 2 to rise, the first connecting rod 401 and the second connecting rod 402 rotate relative to each other, and the included angle between the first connecting rod 401 and the second connecting rod 402 increases until the rear end of the basin 2 is raised to its highest position. When the driving component 3 drives the rear end of the basin 2 to fall, the first connecting rod 401 and the second connecting rod 402 rotate relative to each other, and the included angle between the first connecting rod 401 and the second connecting rod 402 decreases until the rear end of the basin 2 falls to its lowest position.

[0033] By configuring the limiting component 4 as two linkages, the limiting component 4 can more effectively control the rear end lifting of the seat basin 2. Even during severe bumps while the vehicle is in motion, the linkage structure can maintain the stability of the seat structure. At the same time, when the vehicle is impacted, the linkage structure can play a certain role in cushioning, reducing the impact force on the seat structure. Because the linkage structure is relatively simple and each component is rotatable, replacement and maintenance are relatively easy.

[0034] In some embodiments, the front end of the basin 2 is rotatably connected to the seat frame 1 via a first pivot 5, and the second end of the first connecting rod 401 is rotatably connected to the first end of the second connecting rod 402 via a second pivot 6 that is substantially parallel to the first pivot 5.

[0035] The second end of the first link 401 is rotatably connected to the first end of the second link 402 via a second pivot 6, which is generally parallel to the first pivot 5. This allows the first link 401 and the second link 402 to rotate relative to each other while maintaining a certain angle and positional relationship. When the drive unit 3 is activated, the seat basin 2 rotates relative to the seat frame 1. The first link 401 drives the second link 402 to rotate via the second pivot 6, thereby controlling the lifting and lowering of the rear end of the seat basin 2. During this process, the second link 402 limits the lifting height of the rear end of the seat basin 2, ensuring the stability of the seat. The arrangement of two pivots allows for precise control of the rotation of the seat basin 2, ensuring the smoothness and accuracy of the seat during transitions. The arrangement of two sets of links and pivots increases the reliability of the seat structure, maintaining the stability of the seat function even during long-term use and frequent transitions. The synergistic effect of the pivots and links makes the transition from a sitting position to a bed position simpler and more intuitive, improving the user experience.

[0036] In some embodiments, the limiting component 4 includes a first limiting component 4 and a second limiting component 4, which are arranged at intervals in the width direction of the seat frame 1.

[0037] Two limiting components 4 are respectively installed on both sides of the seat frame 1, maintaining a certain distance in the width direction of the seat frame 1. This arrangement ensures that the lifting motion of both sides of the seat basin 2 is synchronized and uniform during seat conversion. Simultaneously, the spaced arrangement of the two limiting components 4 provides more stable support points, which helps prevent the seat from swaying and shifting during conversion or vehicle movement. Because the limiting components 4 are evenly distributed in the width direction of the seat frame 1, the movement of the seat basin 2 during conversion is more uniform, reducing the risk of seat damage caused by uneven support. Uniform and stable support helps improve seat comfort, allowing occupants to have a good experience whether sitting or resting.

[0038] In some embodiments, the seat frame 100 further includes a crossbar 7, the first end of which is connected to a first limiting member 4, and the second end of which is connected to a second limiting member 4.

[0039] like Figure 2 and Figure 3 As shown, the first end of the crossbar 7 is connected to the first limiting component 4, and the second end of the crossbar 7 is connected to the second limiting component 4. This arrangement forms a rigid frame that connects the two limiting components 4. The main function of the crossbar 7 is to transmit and distribute force. When the seat encounters bumps or impacts during travel, the crossbar 7 can transfer the force from one limiting component 4 to the other side, thereby maintaining the overall stability of the seat and reducing deformation of the seat structure caused by vehicle bumps. At the same time, the presence of the crossbar 7 helps prevent the seat from moving excessively when subjected to impacts, thus protecting the occupants from injury. In addition, by connecting the two limiting components 4, the crossbar 7 helps to distribute the force applied to the seat, which helps to extend the service life of the seat and reduce damage caused by excessive pressure at a single point. Because the seat structure is more stable, the occupants can feel less shaking and vibration when sitting, thereby improving the riding experience. Furthermore, the addition of the crossbar 7 helps to ensure that the limiting components 4 on both sides can work synchronously when the seat is converted from a sitting position to a bed position, thereby achieving a smooth and uniform conversion.

[0040] In some embodiments, the first end of the crossbar 7 is connected to the first connecting rod 401 of the first limiting member 4, and the second end of the crossbar 7 is connected to the first connecting rod 401 of the second limiting member 4. Alternatively, the first end of the crossbar 7 is connected to the second connecting rod 402 of the first limiting member 4, and the second end of the crossbar 7 is connected to the second connecting rod 402 of the second limiting member 4.

[0041] The first connection method: the first end of the crossbar 7 is connected to the first connecting rod 401 of the first limiting component 4, and the second end of the crossbar 7 is connected to the first connecting rod 401 of the second limiting component 4. This connection method forms a continuous support structure through the first connecting rods 401 of the two limiting components 4.

[0042] The second connection method: the first end of the crossbar 7 is connected to the second connecting rod 402 of the first limiting component 4, and the second end of the crossbar 7 is connected to the second connecting rod 402 of the second limiting component 4. This connection method forms a support through the second connecting rods 402 of the two limiting components 4.

[0043] In other words, regardless of the connection method, the crossbar 7 connects the two limiting components 4, forming a rigid lateral support, which helps enhance the stability of the seat when the vehicle is bumpy. The two different connection methods provide flexibility in configuration, allowing the most suitable connection method to be selected based on the specific application scenario and seat structure requirements.

[0044] In other embodiments, the crossbar 7 includes a first crossbar 7 and a second crossbar 7. The first end of the first crossbar 7 is connected to the first connecting rod 401 of the first limiting member 4, and the second end of the first crossbar 7 is connected to the first connecting rod 401 of the second limiting member 4. The first end of the second crossbar 7 is connected to the second connecting rod 402 of the first limiting member 4, and the second end of the second crossbar 7 is connected to the second connecting rod 402 of the second limiting member 4.

[0045] One end of the first horizontal bar 7 is connected to the first connecting rod 401 of the first limiting component 4, and the other end is connected to the first connecting rod 401 of the second limiting component 4. This connection method creates a lateral connection between the first connecting rods 401 of the two limiting components 4. One end of the second horizontal bar 7 is connected to the second connecting rod 402 of the first limiting component 4, and the other end is connected to the second connecting rod 402 of the second limiting component 4. This connection method also creates a lateral connection between the second connecting rods 402 of the two limiting components 4.

[0046] The addition of two sets of crossbars 7 not only strengthens the connection between the limiting components 4 but also provides additional lateral support, helping to maintain the overall stability of the seat frame 100, especially when the seat is transitioned from a sitting position to a bed position. The connection method of the two sets of crossbars 7 provides double lateral support for the seat, which greatly enhances the seat's stability during vehicle operation. The additional support structure helps prevent the seat from deforming or shifting upon impact, thereby improving passenger safety. By distributing and transferring forces, the crossbars 7 help reduce stress on individual seat components, thus extending the seat's lifespan.

[0047] In some embodiments, the drive member 3 and the limiting member 4 are located vertically between the seat frame 1 and the seat basin 2. This arrangement allows the seat to occupy less space inside the vehicle, improving the utilization of interior space. The installation locations of the drive member 3 and the limiting member 4 are relatively easily accessible, facilitating seat maintenance and repair.

[0048] In some embodiments, the driving component 3 is a push rod motor 3, which is located on the seat frame 1, and the push rod 301 of the push rod motor 3 is rotatably connected to the seat basin 2.

[0049] like Figures 1 to 3 As shown, the push rod motor 3 is mounted on the seat frame 1, with its push rod 301 extending and connected to the seat basin 2. The push rod motor 3 typically consists of an electric motor and a push rod 301. When the motor operates, the push rod 301 extends and retracts, thereby driving the rotation of the seat basin 2. One end of the push rod 301 is rotatably connected to the seat basin 2, allowing the push rod 301 to rotate the seat basin 2 during operation.

[0050] When the push rod motor 3 is activated, the push rod 301 extends or retracts, pushing or pulling the seat basin 2 to rotate relative to the seat frame 1, thus converting the seat from a sitting position to a bed position. During this process, the limiting component 4 restricts the lifting height of the rear end of the seat basin 2 to ensure a safe transition.

[0051] The push-rod motor 3 provides precise thrust and position control, making the seat transition process smoother and more accurate. Push-rod motor 3 typically has a compact design, taking up minimal space, which helps improve the utilization of vehicle interior space. The push-rod motor 3 is relatively simple to set up, easy to install and maintain, reducing maintenance costs and time. Push-rod motor 3 is generally highly durable, maintaining good performance over long-term use. Push-rod motor 3 can adapt to different seat configurations and space requirements, providing flexible installation positions and thrust options. The precise control and smooth transition of the push-rod motor 3 help improve the passenger riding experience, reducing vibrations and discomfort caused by seat movement.

[0052] In some embodiments, the basin 2 is provided with a connecting part, which is rotatably connected to the push rod 301 of the push rod motor 3 via a third rotating shaft 8.

[0053] like Figure 3 As shown, when the push rod motor 3 is activated, the extension and retraction of the push rod 301 is transmitted to the connecting part through the third rotating shaft 8, thereby driving the seat 2 to rotate. When the push rod motor 3 is working, the extension and retraction of the push rod 301 drives the connecting part through the third rotating shaft 8, thereby pushing or pulling the seat 2 to rotate relative to the seat frame 1. During this process, the limiting component 4 restricts the lifting height of the rear end of the seat 2 to ensure the safety of the transition.

[0054] The third pivot 8 and the connecting part ensure smoother rotation of the seat 2, reducing vibration and noise during transition. The third pivot 8 ensures the stability of the seat 2 during transition, reducing potential safety risks caused by seat movement. The connecting part and the third pivot 8 simplify the seat's drive mechanism, making the drive process more direct and efficient. The connecting part and the third pivot 8 help distribute and bear the forces during transition, thus improving the seat's durability. Due to the smoothness and safety of the transition process, passengers enjoy a better riding experience and experience less discomfort caused by seat movement.

[0055] In some embodiments, the connecting portion is located at the rear end of the basin 2 and extends toward the seat frame 1. The connecting portion extends toward the seat frame 1, allowing it to be effectively connected to the push rod 301 of the push rod motor 3. A third rotating shaft 8 connects the connecting portion and the push rod 301 of the push rod motor 3, allowing the basin 2 to rotate relative to the push rod motor 3 during the conversion process. When the push rod motor 3 is activated, the extension and retraction of the push rod 301 is transmitted to the connecting portion via the third rotating shaft 8, thereby pushing or pulling the basin 2 to rotate. When the push rod motor 3 is operating, the extension and retraction of the push rod 301 drives the connecting portion via the third rotating shaft 8, pushing or pulling the basin 2 to rotate relative to the seat frame 1. During this process, the limiting member 4 restricts the lifting height of the rear end of the basin 2, ensuring the safety of the conversion.

[0056] The placement of the connecting section at the rear of the seat basin 2 helps maintain seat stability during transitions, reducing potential vibrations and noise. This design ensures the stability of the seat basin 2 during transitions, minimizing potential safety risks caused by seat movement. The position and placement of the connecting section simplify the seat's drive mechanism, making the drive process more direct and efficient. Furthermore, the position and placement of the connecting section help distribute and bear the forces during transitions, thereby improving seat durability. Due to the smoothness and safety of the transition process, passengers enjoy a better riding experience, reducing discomfort caused by seat movement.

[0057] The seat in this embodiment includes a backrest frame 200 and a seat frame 100, the backrest frame 200 and the seat frame 100 being rotatably connected, and the seat frame 100 being the seat frame 100 in any of the above embodiments.

[0058] In some embodiments, the backrest frame 200 can be rotated to be substantially in the same plane as the seat frame 100 to form a seat bed.

[0059] The backrest frame 200 is configured to rotate relative to the seat frame 100. When the seat needs to be converted into a bed, the backrest frame 200 can be rotated until it is substantially in the same plane as the seat frame 100. When the backrest frame 200 and the seat frame 100 are in the same plane, they together form a flat surface, i.e., a seat-bed, which can serve as a place for temporary rest or sleep.

[0060] The seat-bed feature enhances a vehicle's versatility, providing not only normal seating space but also rest or sleeping areas. It allows for more efficient use of interior space, flexibly converting the space as needed. The seat-bed can be adapted to different scenarios, such as long-distance travel, camping, or business trips. The conversion process is relatively simple; passengers can easily transform the seats into a bed without complicated procedures. The seat-bed feature improves the passenger experience, especially during long journeys or when temporary rest is required.

[0061] The vehicle of this disclosure includes the seat in any of the above embodiments.

[0062] In the description of this disclosure, 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," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0063] Furthermore, 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0064] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0065] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0066] In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this disclosure. 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0067] Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. A seat frame, characterized in that, include: Seat frame (1); A sitz bath (2), the front end of which is rotatably connected to the seat frame (1); A drive unit (3) is connected to the seat basin (2) and is used to drive the seat basin (2) to rotate relative to the seat frame (1) so that the rear end of the seat basin (2) rises and falls relative to the seat frame (1); and A limiting component (4) is connected between the seat frame (1) and the seat basin (2) to limit the lifting height of the rear end of the seat basin (2).

2. The seat frame according to claim 1, characterized in that, The limiting component (4) includes a first connecting rod (401) and a second connecting rod (402). The first end of the first connecting rod (401) is rotatably connected to the seat frame (1), the second end of the first connecting rod (401) is rotatably connected to the first end of the second connecting rod (402), and the second end of the second connecting rod (402) is rotatably connected to the rear end of the seat basin (2).

3. The seat frame according to claim 2, characterized in that, The front end of the basin (2) is rotatably connected to the seat frame (1) via a first pivot (5), and the second end of the first connecting rod (401) is rotatably connected to the first end of the second connecting rod (402) via a second pivot (6) that is substantially parallel to the first pivot (5).

4. The seat frame according to claim 2, characterized in that, The limiting component (4) includes a first limiting component (4) and a second limiting component (4), which are arranged at intervals in the width direction of the seat frame (1).

5. The seat frame according to claim 4, characterized in that, The seat frame also includes a crossbar (7), the first end of which is connected to the first limiting component (4), and the second end of which is connected to the second limiting component (4).

6. The seat frame according to claim 5, characterized in that, The first end of the crossbar (7) is connected to the first connecting rod (401) of the first limiting component (4), and the second end of the crossbar (7) is connected to the first connecting rod (401) of the second limiting component (4); or The first end of the crossbar (7) is connected to the second link (402) of the first limiting component (4), and the second end of the crossbar (7) is connected to the second link (402) of the second limiting component (4).

7. The seat frame according to claim 5, characterized in that, The crossbar (7) includes a first crossbar (7) and a second crossbar (7). The first end of the first crossbar (7) is connected to the first connecting rod (401) of the first limiting component (4), and the second end of the first crossbar (7) is connected to the first connecting rod (401) of the second limiting component (4). The first end of the second crossbar (7) is connected to the second link (402) of the first limiting component (4), and the second end of the second crossbar (7) is connected to the second link (402) of the second limiting component (4).

8. The seat frame according to claim 1, characterized in that, The driving component (3) and the limiting component (4) are located between the seat frame (1) and the seat basin (2) in the vertical direction.

9. The seat frame according to any one of claims 1-8, characterized in that, The driving component (3) is a push rod (301) motor, which is located on the seat frame (1). The push rod (301) of the push rod (301) motor is rotatably connected to the seat basin (2).

10. The seat frame according to claim 9, characterized in that, The basin (2) is provided with a connecting part, which is rotatably connected to the push rod (301) of the push rod (301) motor via a third rotating shaft (8).

11. The seat frame according to claim 10, characterized in that, The connecting part is located at the rear end of the basin (2) and extends toward the seat frame (1).

12. A type of seat, characterized in that, It includes a backrest frame (200) and a seat frame (100), wherein the backrest frame (200) and the seat frame (100) are rotatably connected, and the seat frame (100) is the seat frame (100) according to any one of claims 1-11.

13. The seat according to claim 12, characterized in that, The backrest frame (200) can be rotated to be substantially in the same plane as the seat frame (100) to form a seat bed.

14. A vehicle, characterized in that, Includes the seat described in claim 12 or 13.

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