Seat and vehicle

Abstract

The utility model provides a seat and a vehicle. The seat comprises a seat body framework, a base, a driving mechanism and a locking mechanism. The seat framework comprises a seat frame and a leaning frame connected to the rear end of the seat frame, and the seat framework is provided with a using position where the rear end of the seat frame is roughly flush with the front end of the seat frame and a lifting position where the rear end of the seat frame is higher than the front end of the seat frame. The base comprises at least one supporting assembly, the supporting assembly comprises a bottom plate, a first supporting plate and a second supporting plate, the two ends of the first supporting plate and the two ends of the second supporting plate are rotationally connected to the bottom plate and the seat frame respectively, and the first supporting plate and the second supporting plate are spaced; the driving mechanism is connected to the supporting assembly and can drive the top end of the first supporting plate to rotate forwards and backwards, so that the base framework is switched between the lifting position and the using position. According to the seat, forward movement and rotation of the seat body framework can be synchronously achieved only through one-step operation, operation is easy, and the structure is simple.

Description

Technical Field

[0001] This application belongs to the field of vehicle parts technology, and in particular relates to a seat and a vehicle. Background Technology

[0002] Currently, most cars on the market with three rows of seats (such as SUVs, MPVs) or microcars have limited space when getting in and out of the rear seats. Therefore, it usually requires two steps to move the front seats forward using the sliding rails and to rotate the backrests of the front seats forward by a certain angle using the seat adjuster. The operation steps are cumbersome and the structure is complex. Utility Model Content

[0003] The purpose of this application is to provide a seat and vehicle that solves the technical problem of cumbersome operation steps and complex structure when re-entering the current seat.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] In one aspect, a seat is provided, including a seat frame, a base, a drive mechanism, and a locking mechanism;

[0006] The seat frame includes a seat frame and a backrest. The backrest is connected to the rear end of the seat frame and is set at an angle to the seat frame. The seat frame has a use position where the rear end of the seat frame is approximately flush with the front end of the seat frame, and a raised position where the rear end of the seat frame is higher than the front end of the seat frame.

[0007] The base includes at least one support component, which includes a base plate, a first support plate and a second support plate. The two ends of the first support plate are rotatably connected to the base plate and the frame, respectively. The two ends of the second support plate are rotatably connected to the base plate and the frame, respectively. The first support plate is located in front of the second support plate and spaced apart from the second support plate.

[0008] The drive mechanism is connected to the support assembly. The drive mechanism can drive the top of the first support plate to rotate forward so that the seat frame can be switched from the use position to the raised position. It can also drive the top of the first support part to rotate backward so that the seat frame can be switched from the raised position to the use position.

[0009] The locking mechanism is connected between the seat frame and the base plate. The locking mechanism has a locked state that locks the seat frame and the base plate together, and an unlocked state that releases the lock between the seat frame and the base plate.

[0010] In one embodiment of the first aspect, in the quadrilateral formed by the first support plate, the base frame, the second support plate, and the base plate, the included angle between the first support plate and the base plate is greater than the included angle between the second support plate and the base frame, and when the base frame is in the use position, the first support plate and the base plate are approximately perpendicular.

[0011] In one embodiment of the first aspect, the drive mechanism is capable of switching between a longer extended state and a shorter retracted state. When the drive mechanism is in the retracted state, the seat frame is in the used position; when the drive mechanism is in the extended position, the seat frame is in the raised position.

[0012] In one embodiment of the first aspect, the two ends of the drive mechanism in the length direction are respectively connected to the upper end of the first support plate and the lower end of the second support plate.

[0013] In one embodiment of the first aspect, the base includes two support components, which are spaced apart along the width direction of the frame, which is perpendicular to the direction from the front end to the rear end of the frame.

[0014] As one embodiment of the first aspect, the base further includes a first crossbeam connected between the first support plates of the two support components and a second crossbeam connected between the second support plates of the two support components. The first crossbeam is close to the upper end of the first support plate, and the second crossbeam is close to the lower end of the second support plate. The two ends of the drive mechanism are respectively connected to the first crossbeam and the second crossbeam.

[0015] As one embodiment of the first aspect, the seat further includes a controller, which is communicatively connected to the locking mechanism and is used to control the locking mechanism to switch between the locked state and the unlocked state.

[0016] In one embodiment of the first aspect, the controller is communicatively connected to the drive mechanism and is capable of controlling the drive mechanism to switch between the extended state and the contracted state.

[0017] In one embodiment of the first aspect, the locking mechanism is provided with a micro switch, and the driving mechanism is communicatively connected to the micro switch. When the locking mechanism is in the unlocked state, the micro switch is in the open circuit, and the controller can control the driving mechanism to perform actions; when the locking mechanism is in the locked state, the micro switch is in the closed circuit, and the controller ends the control of the driving mechanism.

[0018] Secondly, a vehicle is provided, including the seat described in the above embodiments.

[0019] The technical advantages of this application compared to existing technologies are as follows: When a passenger needs to sit in the back seat, the locking mechanism is first switched from the locked state to the unlocked state. Then, the drive mechanism drives the top of the first support plate to rotate forward, causing the seat frame to move from the usage position to the raised position. At this time, since the base and seat frame together form a quadrilateral structure, this quadrilateral structure deforms when the top of the first support plate rotates forward. The seat frame moves forward and the rear end rotates upward, causing the top of the backrest to rotate forward, thus creating more space at the rear for easier passenger entry and exit. After the passenger has entered and exited, the drive mechanism can first drive the top of the first support plate to rotate backward, causing the seat frame to move from the raised position to the usage position. At this time, the seat frame moves backward and the rear end rotates downward, achieving a reset. Then, the locking mechanism is switched from the unlocked state to the locked state to prevent the seat frame from shaking or shifting. In this way, the seat can simultaneously achieve the forward movement and rotation of the seat frame with only one operation, which is easy to operate and has a simple structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional structural diagram of the seat provided in the embodiments of this application;

[0022] Figure 2 This is a side view of the seat provided in an embodiment of this application, wherein the seat frame is in the use position;

[0023] Figure 3 This is a side view of the seat provided in an embodiment of this application, wherein the seat frame is in a raised position;

[0024] Figure 4 yes Figure 1 A three-dimensional structural diagram of the seats from another perspective;

[0025] Figure 5 This application provides a control method for controlling the seat frame to move toward a raised position using a controller in a seat.

[0026] Figure 6 This application provides a control method for controlling the movement of the seat frame toward the usage position using a controller in a seat.

[0027] Explanation of reference numerals in the attached figures:

[0028] 10. Seat frame; 11. Seat bracket; 12. Backrest; 20. Base; 21. Support assembly; 211. Base plate; 212. First support plate; 213. Second support plate; 22. First crossbeam; 23. Second crossbeam; 30. Drive mechanism; 31. Motor; 32. Lead screw; 33. Mounting base; 40. Locking mechanism; 41. Lock bolt; 42. Lock tongue; 50. Guide rail; 60. Micro switch. Detailed Implementation

[0029] The embodiments of this application are described in detail below. Examples of these 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 intended to explain this application, and should not be construed as limiting this application.

[0030] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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.

[0031] 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 one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0032] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "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 or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments.

[0034] This application provides a seat and a vehicle. The vehicle includes a vehicle body and seats. The vehicle body has a passenger compartment, and the seats are installed inside the passenger compartment. The vehicle can have three or more rows of seats, such as SUVs and MPVs. In this case, the seats in this application embodiment can be middle row seats, that is, seats other than the last and front rows. The vehicle can also have two rows of seats, such as microcars. In this case, the seats in this application embodiment can be front row seats.

[0035] In the following embodiments, for ease of description, a Cartesian coordinate system is established with the vehicle's direction of travel as a reference. The positive X-axis is defined as forward, the negative X-axis as backward, the positive Y-axis as left, the negative Y-axis as right, the positive Z-axis as upward, and the negative Z-axis as downward.

[0036] Please see Figure 1 In this embodiment, the seat includes a seat frame 10, a base 20, a drive mechanism 30, and a locking mechanism 40. The base 20 is used to be installed on the floor of the vehicle, the seat frame 10 is installed on the base 20, the drive mechanism 30 is used to drive the base 20 to move, thereby changing the position of the seat frame 10, and the locking mechanism 40 is used to lock the seat frame 10 on the base 20 to restrict the movement of the seat frame 10.

[0037] The seat frame 10 includes a seat frame 11 and a backrest 12. The backrest 12 is connected to the rear end of the seat frame 11, and the backrest 12 and the seat frame 11 are set at an angle. The backrest 12 and the seat frame 11 can be fixedly connected, that is, the angle between the backrest 12 and the seat frame 11 is fixed. The backrest 12 and the seat frame 11 can also be rotatably connected, that is, the angle between the backrest 12 and the seat frame 11 is adjustable. The seat frame 11 is used to support the passenger's buttocks, and the backrest 12 is used for the passenger to lean against.

[0038] It should be noted that both the seat frame 11 and the backrest 12 can be formed by multiple supporting ribs to create a generally flat structure. That is, if an outer skin is wrapped around the seat frame 11 and the backrest 12, the overall shape of the outer skin will be roughly flat. The overall thickness of the seat frame 11 is roughly uniform, and the overall thickness of the backrest 12 is also roughly uniform. Therefore, the angle between the backrest 12 and the seat frame 11 refers to the angle between the plane on which the backrest 12 is located and the plane on which the seat frame 11 is located, specifically the angle between the forward-facing surface of the backrest 12 and the upward-facing surface of the seat frame 11.

[0039] The seat frame 10 has a usage position and a raised position. For example... Figure 2 When the seat frame 10 is in the use position, the rear end and front end of the seat frame 11 are approximately flush, facilitating passenger seating. "Approximately flush" here means that the angle between the upper support surface of the seat frame 11 and the horizontal plane is between -10° and 10°. Figure 3When the seat frame 10 is in the raised position, the rear end of the seat frame 11 is higher than the front end of the seat frame 11, so that the length of the seat frame 10 in the front-rear direction is reduced. The length of the seat frame 10 in the front-rear direction refers to the distance between the vertical position of the frontmost end of the seat frame 11 and the vertical position of the rearmost end of the backrest 12.

[0040] To improve the passenger's riding experience, the angle between the backrest 12 and the seat frame 11 is an obtuse angle, so that the passenger can lean back against the backrest 12 in a reclining position when sitting on the seat frame 11. At this time, when the seat frame 10 is in the raised position, the top of the backrest 12 rotates forward, so that the backrest 12 rotates from tilted to rearward in a direction perpendicular to the ground, which can increase the space behind the seat frame 10.

[0041] The base 20 includes at least one support assembly 21, which includes a base plate 211, a first support plate 212, and a second support plate 213. The base plate 211 is located below the seat frame 11 and is used to connect with the floor of the carriage. The two ends of the first support plate 212 are rotatably connected to the base plate 211 and the seat frame 11, respectively. The two ends of the second support plate 213 are rotatably connected to the base plate 211 and the seat frame 11, respectively. The first support plate 212 is located in front of the second support plate 213 and is spaced apart from the second support plate 213. In other words, both the first support plate 212 and the second support plate 213 have a top end and a bottom end, and the horizontal height of the top end is higher than that of the bottom end. The top end of the first support plate 212 is connected to the base frame 11, and the bottom end is connected to the base 20. The top end of the second support plate 213 is connected to the base frame 11, and the bottom end is connected to the base 20. The top end of the first support plate 212 is located in front of the top end of the second support plate 213 and is spaced apart from the top end of the second support plate 213. The bottom end of the second support plate 213 is located in front of the bottom end of the second support plate 213 and is spaced apart from the bottom end of the second support plate 213. In this way, the base plate 211, the first support plate 212, the second support plate 213 and the base frame 11 together form a quadrilateral structure.

[0042] Combination Figure 2 and Figure 3The drive mechanism 30 is connected to the support assembly 21. The drive mechanism 30 can drive the top of the first support plate 212 to rotate forward so that the seat frame 10 can switch from the use position to the raised position. The drive mechanism 30 can also drive the top of the first support part to rotate backward so that the seat frame 10 can switch from the raised position to the use position. In other words, when the top of the first support plate 212 rotates forward, it drives the top of the second support plate 213 to rotate forward. During the forward rotation of the top of the second support plate 213, it can lift the rear end of the seat frame 11 to a position higher than the front end of the seat frame 11, thereby allowing the seat frame 10 to switch to the raised position. At the same time, the front end of the seat frame 11 moves forward as the top of the first support plate 212 rotates forward. In this way, the seat frame 11 can not only move forward to increase the rear space, but also reduce the length of the seat frame 10 in the front-rear direction due to the rear end of the seat frame 11 being raised, thereby further increasing the rear space of the seat frame 10. When the top of the first support plate 212 rotates backward, it drives the rear end of the seat frame 11 to descend to be roughly level with the front end of the seat frame 11, thereby allowing the seat frame 10 to switch to the use position, at which time the seat frame 11 can be used normally.

[0043] The locking mechanism 40 is connected between the seat frame 10 and the base plate 211. The locking mechanism 40 has a locked state where the seat frame 10 and the base plate 211 are locked, and an unlocked state where the lock between the seat frame 10 and the base plate 211 is released. The locking mechanism 40 can be in the locked state when the seat frame 10 is in the use position to lock the seat frame 10 and the base plate 211, thereby preventing the seat frame 10 from shaking during passenger seating and affecting the riding experience. When it is necessary to move the seat frame 10 to the raised position, the locking mechanism 40 can be switched to the unlocked state, allowing the rear end of the seat frame 11 to be raised. The switching of the locking mechanism 40's state can be achieved electrically or manually; no limitation is made here.

[0044] When a passenger needs to sit in the back seat, the locking mechanism 40 is first switched from the locked state to the unlocked state. Then, the drive mechanism 30 drives the top of the first support plate 212 to rotate forward, so that the seat frame 10 moves from the use position to the raised position. At this time, since the base 20 and the seat frame 11 together form a quadrilateral structure, when the top of the first support plate 212 rotates forward, the quadrilateral structure deforms, the seat frame 10 moves forward and the rear end rotates upward, driving the top of the backrest to rotate forward, so as to create more space on the rear side for easier passenger entry and exit. After the passenger has entered and exited, the drive mechanism 30 can be used to drive the top of the first support plate 212 to rotate backward, so that the seat frame 10 moves from the raised position to the use position. At this time, the seat frame 10 moves backward and the rear end rotates downward to achieve a reset. Then, the locking mechanism 40 is switched from the unlocked state to the locked state to prevent the seat frame 10 from shaking or shifting. In this way, the seat can achieve the forward movement and rotation of the seat frame 10 in only one operation, which is easy to operate and has a simple structure.

[0045] Optionally, the top end of the first support plate 212 can be connected to the front end of the seat frame 11, and the bottom end can be connected to the front end of the base 20. The top end of the second support plate 213 can be connected to the rear end of the seat frame 11, and the bottom end can be connected to the middle of the base 20. In this case, the distance between the top end of the first support plate 212 and the top end of the second support plate 213 is greater than the distance between the bottom ends of the first support plate 212 and the bottom ends of the second support plate 213, and the length of the second support plate 213 is greater than the length of the first support plate 212. This increases the torque applied to the base 20 and the seat frame 11, making it easier to switch the seat frame 10 to the raised position. The length of the first support plate 212 is the distance from its top end to its bottom end, and the length of the second support plate 213 is the distance from its top end to its bottom end.

[0046] Please see Figure 2 and Figure 3In some embodiments, within the quadrilateral formed by the first support plate 212, the seat frame 11, the second support plate 213, and the base plate 211, the included angle between the first support plate 212 and the base plate 211 is greater than the included angle between the second support plate 213 and the seat frame 11. When the seat frame 11 is in the use position, the first support plate 212 and the base plate 211 are approximately perpendicular. Thus, when the seat frame 10 moves towards the raised position, the tops of both the first support plate 212 and the second support plate 213 rotate forward. The first support plate 212 rotates from a vertical state to a state where its top is tilted forward, reducing its longitudinal height and lowering the front end of the seat frame 11. Simultaneously, the second support plate 213 rotates from a state where its top is tilted backward to a near-vertical state, increasing its longitudinal height and raising the rear end of the seat frame 11. This results in a smaller overall height increase for the seat frame 11 due to the lowered front end, avoiding limitations imposed by the height of the carriage and preventing it from bumping into the carriage roof. In addition, since the first support plate 212 is roughly vertical when the seat frame 10 is in use, it can provide vertical support for the front end of the seat frame 11. The rear end of the seat frame 11 is locked and supported by the locking mechanism 40. In this way, the seat structure can be more stable when the passenger sits on the seat, and the seat frame 10 in use will not deform under stress.

[0047] Please see Figure 2 and Figure 3 In some embodiments, the drive mechanism 30 can switch between a longer extended state and a shorter retracted state. When the drive mechanism 30 is in the retracted state, the seat frame 10 is in the use position; when the drive mechanism 30 is in the extended position, the seat frame 10 is in the raised position. The two ends of the drive mechanism 30 in the long and short directions can be connected to the first support plate 212 and the second support plate 213, or to the first support plate 212 and the base plate 211, or to the seat frame 11 and the base plate 211, or to the seat frame 11 and the second support plate 213, as long as they can drive the first support plate 212 to rotate when switching from the retracted state to the extended state. In this way, the drive mechanism 30 can improve the stability of the quadrilateral deformation process formed by the first support plate 212, the seat frame 11, the second support plate 213 and the base plate 211 by switching the position of the drive body frame 10 through the deformation of the extension and shortening. In the extended state, the torque of the drive mechanism 30 is also extended accordingly, thereby reducing the force that the drive mechanism 30 has to bear when deformation occurs.

[0048] Optionally, the two ends of the drive mechanism 30 along its length are connected to the upper end of the first support plate 212 and the lower end of the second support plate 213, respectively. The two ends of the drive mechanism 30 can act on the first support plate 212 and the second support plate 213, respectively, to directly apply force to the upper end of the first support plate 212. When the drive mechanism 30 switches to the extended state, the end of the drive mechanism 30 connected to the second support plate 213 changes position less due to its proximity to the base 20, while the end of the drive mechanism 30 connected to the first support plate 212 moves away from the other end, that is, the top of the first support plate 212 rotates forward. The rotation of the first support plate 212 drives the second support plate 213 to rotate, so that the seat frame 10 switches to the raised position. In this way, the drive mechanism 30 can move along with the first support plate 212 and the second support plate 213, and will not be restricted by the position of the base plate 211. This increases the degree of deformation of the quadrilateral formed by the first support plate 212, the seat frame 11, the second support plate 213 and the base plate 211, thereby increasing the range of movement and rotation of the seat frame 10.

[0049] Please see Figure 1 In some embodiments, the base 20 includes two support components 21, which are spaced apart along the width direction of the seat frame 11, which is perpendicular to the direction from the front end to the rear end. The width direction of the seat frame 11 is perpendicular to both the thickness direction and the front-to-back direction, meaning the width of the seat frame 11 is its width in the left-to-right direction. The arrangement of the two support components 21 ensures that both the left and right sides of the seat frame 11 are supported, thereby improving the stability of the seat frame 10.

[0050] In other embodiments, only one support component 21 may be provided. In this case, the widths of the first support plate 212 and the second support plate 213 in the left-right direction can be set to be relatively large to achieve uniform support for the seat frame 10 in the left-right direction. Three or more support components 21 may also be provided, arranged sequentially along the width direction of the seat frame 10 to improve the supporting force on the seat frame 10. However, increasing the number of support components 21 will place higher demands on installation and processing accuracy. In specific applications, the number of support components 21 can be selected according to actual needs.

[0051] Please see Figure 1In some embodiments, the base 20 further includes a first crossbeam 22 connected between first support plates 212 of the two support components 21 and a second crossbeam 23 connected between second support plates 213 of the two support components 21. The first crossbeam 22 is located near the upper end of the first support plate 212, and the second crossbeam 23 is located near the lower end of the second support plate 213. The two ends of the drive mechanism 30 are respectively connected to the first crossbeam 22 and the second crossbeam 23. The first crossbeam 22 allows a fixed distance to be maintained between the tops of the two first support plates 212, and the second crossbeam 23 allows a fixed distance to be maintained between the bottoms of the two second support plates 213, thereby improving the overall structural stability of the seat. At the same time, the two ends of the drive mechanism 30 are respectively connected to the first crossbeam 22 and the second crossbeam 23, enabling the linkage of the two first support plates 212 through the first crossbeam 22 and the linkage of the two second support plates 213 through the second crossbeam 23. In this way, the drive mechanism 30 can achieve synchronous movement of the two support components 21 by connecting the first crossbeam 22 and the second crossbeam 23 at both ends, and the two support components 21 are subjected to uniform force. The two ends of the drive mechanism 30 can be connected to the middle of the first crossbeam 22 and the middle of the second crossbeam 23.

[0052] Optionally, the drive mechanism 30 includes a motor 31, a lead screw 32, and a mounting base 33. The output end of the motor 31 is connected to the lead screw 32, and the mounting base 33 is screwed onto the lead screw 32. The motor 31 can drive the lead screw 32 to rotate, so that the mounting base 33 moves toward or away from the motor 31. When the mounting base 33 moves toward the motor 31, the drive mechanism 30 can switch from an extended state to a retracted state; when the mounting base 33 moves away from the motor 31, the drive mechanism 30 can switch from a retracted state to an extended state. The mounting base 33 and the motor 31 are respectively connected to the first crossbeam 22 and the second crossbeam 23. In this embodiment, the motor 31 is connected to the second crossbeam 23, and the mounting base 33 is mounted on the first crossbeam 22.

[0053] In other embodiments, the drive mechanism 30 may also be an angle adjuster, which may be connected to the first support plate 212 and used to adjust the rotation angle of the first support plate 212. No limitation is made here.

[0054] Please see Figure 1 In some embodiments, the seat also includes a guide rail 50, and a base plate 211 is slidably connected to the guide rail 50. The guide rail 50 extends in the front-back direction, and passengers can move the base plate 211 to achieve the front-back translation of the seat frame 10 to meet the needs of different passengers.

[0055] Optionally, there are two guide rails 50 and two support components 21. The base plates 211 of the two support components 21 are slidably connected to one guide rail 50 to achieve stable sliding of the seat frame 10.

[0056] In some embodiments, the seat further includes a controller, which is communicatively connected to the locking mechanism 40 and used to control the locking mechanism 40 to switch between a locked state and an unlocked state. The communication connection method includes, but is not limited to, wired and wireless connections. When a passenger needs to enter or exit the rear seat, they can first control the locking mechanism 40 to switch to the unlocked state via the controller, and then drive the seat frame 10 to the raised position via the drive mechanism 30. After the passenger has entered or exited, they can first drive the seat frame 10 to the usable position via the drive mechanism 30, and then control the locking mechanism 40 to switch to the locked state via the controller. This eliminates the need for manual operation of the locking mechanism 40, making the operation more intelligent and effortless, while also enabling a rapid response from the locking mechanism 40.

[0057] Please combine Figure 4 Optionally, the locking mechanism 40 includes a bolt 41 and a latch 42. The bolt 41 is connected to the base 20, and the latch 42 is connected to the rear end of the seat frame 11. The controller is communicatively connected to the latch 42 and is used to control the movement of the latch 42. When the seat frame 10 is in the use position, the controller can control the latch 42 to lock onto the bolt 41. When the seat frame 10 needs to move towards the raised position, the controller can control the latch 42 to release the control of the bolt 41, so that the rear end of the seat frame 11 is raised.

[0058] In some embodiments, the controller is communicatively connected to the drive mechanism 30 and can control the drive mechanism 30 to switch between an extended state and a retracted state. In this way, the seat frame 10 can be moved under the control of the controller without manual operation, making operation simple, convenient, and labor-saving. Specifically, the controller is electrically connected to the motor 31, and the controller can control the motor 31 to start after receiving a start signal, so that the lead screw 32 drives the mounting base 33 to move.

[0059] Optionally, a control button may be installed on the seat. The control button is communicatively connected to the controller, allowing the user to issue commands to the controller, which in turn controls the switching states of the locking mechanism 40 and the drive mechanism 30. This control button can be installed on the seat frame 10, or on the seat cushion or armrest mounted above the seat frame 10. In other embodiments, the control button can be a joystick; this is not a limitation.

[0060] Please see Figure 1Optionally, a micro switch 60 is provided on the locking mechanism 40, and the drive mechanism 30 is communicatively connected to the micro switch 60. When the locking mechanism 40 is in the unlocked state, the micro switch 60 is in the open circuit, and the controller can control the drive mechanism 30 to operate. When the locking mechanism 40 is in the locked state, the micro switch 60 is in the closed circuit, and the controller ends its control over the drive mechanism 30. When a passenger needs to enter or exit the rear seat, the passenger can send a first command to the controller via the operation control key. The controller controls the micro switch 60 to open, and the locking mechanism 40 is in the unlocked state. At this time, the micro switch 60 is in the open circuit, and the controller controls the drive mechanism 30 to switch to the extended state, so that the seat frame 10 switches to the raised position. After passengers have entered or exited, they can send a second command to the controller via the operation control key. Since the microswitch 60 is in the open position, the controller controls the drive mechanism 30 to switch to the retracted state, allowing the seat frame 10 to switch to the usable position. The locking mechanism 40 engages, and the controller controls the locking mechanism 40 to switch to the locked state. The microswitch 60 is then de-circuited, and the controller no longer controls the drive mechanism 30. In this way, when the seat frame 10 is in the usable position, the controller can disconnect from the drive mechanism 30, preventing controller malfunction and saving power.

[0061] Optionally, a sensor is installed on the drive mechanism 30. This sensor can be used to sense the relative position between the mounting base 33 and the motor 31. The controller can determine whether the mounting base 33 has moved into place based on this relative position. For example, when the sensor detects that the distance between the mounting base 33 and the motor 31 has moved to 100% of the designed distance of the lead screw, it indicates that the drive mechanism 30 has switched to the extended state, and the seat frame 10 has moved to the raised position; when the sensor detects that the distance between the mounting base 33 and the motor 31 has moved to 10% of the designed distance of the lead screw, it indicates that the drive mechanism 30 has switched to the retracted state, and the seat frame 10 has moved to the used position. The sensor may include, but is not limited to, a Hall sensor, a photoelectric sensor, or an infrared sensor.

[0062] As one implementation method, the controller's control process is as follows:

[0063] Please see Figure 5 When it is necessary to move the seat frame 10 to the raised position, the passenger first operates the control key to send a first command to the controller. After receiving the first command, the controller first controls the locking mechanism 40 to switch to the unlocked state, and then controls the motor 31 to start, so that the mounting seat 33 moves away from the motor 31.

[0064] After the mounting base 33 moves for a period of time (e.g., 1-5 seconds), the sensor detects the distance between the mounting base 33 and the motor 31, and then the controller makes a judgment on this distance:

[0065] When the distance is greater than or equal to 100% of the lead screw design distance, it indicates that the seat frame 10 has moved to the raised position, and the controller ends the operation.

[0066] When the distance is less than 100% of the designed distance of the lead screw, the state of the micro switch 60 is determined. If the micro switch 60 is in the closed state, it indicates that the locking mechanism 40 is in the unlocked state. Then the controller continues to control the mounting base 33 to move away from the motor 31, and then repeats the above steps. That is, the sensor repeatedly detects the distance at regular intervals, and the controller repeatedly judges the distance, until the distance is greater than or equal to 100% of the designed distance of the lead screw. If the micro switch 60 is in the open state, that is, the locking mechanism 40 has not switched to the unlocked state, then the control key is operated again, and the state of the micro switch 60 is judged. If the micro switch 60 is in the closed state within three passenger operation of the control key, the controller controls the mounting base 33 to move away from the motor 31. If the micro switch 60 is still in the open state after more than three passenger operation of the control key, the controller issues an alarm signal.

[0067] Please see Figure 6 When the seat frame 10 needs to be moved to the desired position, the passenger first operates the control key to send a second command to the controller. Upon receiving the second command, the controller first controls the mounting base 33 to move towards the motor 31. The sensor continuously monitors the distance between the mounting base 33 and the motor 31. When this distance is greater than 10% of the lead screw's designed distance and the micro switch 60 is in the ON state, the controller controls the mounting base 33 to continue moving towards the motor 31. When this distance is greater than 10% of the lead screw's designed distance and the micro switch 60 is in the OFF state (i.e., the locking mechanism 40 is in the OFF state), the control key is operated again, and the state of the micro switch 60 is assessed. If the micro switch 60 becomes ON within three operations of the control key by the passenger, the controller controls the mounting base 33 to move away from the motor 31. If the micro switch 60 remains OFF after more than three operations of the control key by the passenger, the controller issues an alarm signal.

[0068] If the distance between the mounting base 33 and the motor 31 detected by the sensor is less than or equal to 10% and the micro switch 60 is in an open circuit state, it indicates that the base frame 10 has reached the working position and the locking mechanism 40 is in a locked state, and the controller ends the operation. If the distance between the mounting base 33 and the motor 31 detected by the sensor is less than or equal to 10% and the micro switch 60 is in a closed circuit state, it indicates that the locking mechanism 40 is offset. The controller then controls the mounting base 33 to continue moving towards the motor 31. When the mounting base 33 moves to the working position of the base frame 10, the motor 31 stalls. After stalling for 0.5 seconds, the motor 31 redefines the starting position of the mounting base 33, that is, defines the current position as 10% of the lead screw design distance, and then judges the state of the micro switch 60. If the micro switch 60 is in an open circuit state, it indicates that the locking mechanism 40 is in a locked state, and the controller ends the operation. If the microswitch 60 is in the closed state, the controller repeatedly performs the operation of moving the mounting base 33 toward the motor 31. If the controller determines that the microswitch 60 is open within three or fewer instances, the controller terminates the operation. If the controller determines that the microswitch 60 is still in the closed state after three or more instances, the controller issues an alarm signal.

[0069] The above descriptions are merely several specific embodiments of this application, and only specifically describe the technical principles of this application. These descriptions are only for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this interpretation, any modifications, equivalent substitutions, and improvements made within the scope of this application, as well as other specific embodiments of this application that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of this application.

Claims

1. A type of seat, characterized in that, include: A seat frame includes a seat frame and a backrest. The backrest is connected to the rear end of the seat frame and is set at an angle to the seat frame. The seat frame has a use position where the rear end of the seat frame is approximately flush with the front end of the seat frame and a raised position where the rear end of the seat frame is higher than the front end of the seat frame. The base includes at least one support component, the support component includes a base plate, a first support plate and a second support plate, the two ends of the first support plate and the two ends of the second support plate are respectively rotatably connected to the base plate and the frame, and the first support plate and the second support plate are spaced apart. A drive mechanism, connected to the support assembly, is capable of driving the top end of the first support plate to rotate forward, so that the seat frame can be switched from the use position to the raised position, and can also drive the top end of the first support plate to rotate backward, so that the seat frame can be switched from the raised position to the use position. A locking mechanism is connected between the seat frame and the base plate. The locking mechanism has a locked state where the seat frame and the base plate are locked together, and an unlocked state where the lock between the seat frame and the base plate is released.

2. The seat of claim 1, wherein In the quadrilateral formed by the first support plate, the base frame, the second support plate, and the base plate, the included angle between the first support plate and the base plate is greater than the included angle between the second support plate and the base frame. When the base frame is in the use position, the first support plate and the base plate are approximately perpendicular.

3. The seat of claim 1, wherein The drive mechanism can switch between a longer extended state and a shorter retracted state. When the drive mechanism is in the retracted state, the seat frame is in the used position; when the drive mechanism is in the extended state, the seat frame is in the raised position.

4. The seat of claim 3, wherein The two ends of the drive mechanism along its length are respectively connected to the upper end of the first support plate and the lower end of the second support plate.

5. The seat of claim 4, wherein, The base includes two support components, which are arranged at intervals along the width direction of the frame, and the width direction of the frame is perpendicular to the direction from the front end to the rear end of the frame.

6. The seat of claim 5, wherein, The base also includes a first crossbeam connected between the first support plates of the two support components and a second crossbeam connected between the second support plates of the two support components. The first crossbeam is close to the upper end of the first support plate, and the second crossbeam is close to the lower end of the second support plate. The two ends of the drive mechanism are respectively connected to the first crossbeam and the second crossbeam.

7. The seat of claim 3, wherein The seat also includes a controller, which is communicatively connected to the locking mechanism and is used to control the locking mechanism to switch between the locked state and the unlocked state.

8. The seat of claim 7, wherein The controller is communicatively connected to the drive mechanism and can control the drive mechanism to switch between the extended state and the contracted state.

9. The seat of claim 8, wherein, The locking mechanism is equipped with a micro switch, and the driving mechanism is communicatively connected to the micro switch. When the locking mechanism is in the unlocked state, the micro switch is in the open circuit, and the controller can control the driving mechanism to perform actions. When the locking mechanism is in the locked state, the micro switch is in the closed circuit, and the controller ends its control over the driving mechanism.

10. A vehicle characterized by comprising: Includes the seat as described in any one of claims 1 to 9.

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