Seat and vehicle

Abstract

The invention provides a seat and a vehicle, the seat comprising a first shaft and a first seat part, the first seat part being fitted on the first shaft at one end and being rotatable thereabout, and comprising a second shaft and a second seat part, the second seat part being fitted on the second shaft at one end and being rotatable thereabout, wherein the seat further comprises a third shaft arranged outside the first and second seat parts, the first, second and third shafts being parallel to each other and fixedly connected in relative position, and the axes of the first, second and third shafts not lying in the same plane, the first and second shafts being configured to be rotatable synchronously about the third shaft, thereby bringing the first and second seat parts to rotate together about the third shaft.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle seats, in particular, to a seat and a vehicle comprising the same. BACKGROUND

[0002] With the popularization of electric vehicles, users have increasingly strong demands for the multifunctionality of vehicles. In traditional vehicles, vehicle seats can generally only be moved forward and backward by a small amplitude and the angle of the seat backrest can be adjusted, but it is difficult to perform operations such as turning over, laying flat, and reverse sitting, so that it is difficult to realize the seat multi-posture scene in the vehicle cabin, especially in the vehicle cabin with three rows of seats.

[0003] Some known seats can realize reverse sitting posture adjustment of the seat. In these seats, the seat as a whole is generally rotated around a vertical axis, and the functions and relative positions of the seat cushion and the seat backrest remain unchanged. Since the standard size design of the vehicle seat backrest and the seat cushion does not take into account the overall rotation of the vehicle seat, rotating the seat as a whole around the z-axis of the vehicle can form a large rotating swept surface. Therefore, in order to prevent motion interference when rotating the seat, the size of the seat has to be reduced or the volume of the vehicle cabin has to be increased when implementing this design.

[0004] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0005] One aspect of the present application aims to solve the technical problem of how to more space-savingly realize reverse sitting posture adjustment of the seat.

[0006] In addition, other aspects of the present application also aim to solve or alleviate other technical problems existing in the prior art.

[0007] The present application provides a seat and a vehicle. Specifically, according to one aspect of the present application, there is provided:

[0008] A seat comprising a first shaft and a first seat part, the first seat part being sleeved on the first shaft at one end and being capable of rotating therearound, and comprising a second shaft and a second seat part, the second seat part being sleeved on the second shaft at one end and being capable of rotating therearound, wherein the seat further comprises a third shaft arranged outside the first seat part and the second seat part, the first shaft, the second shaft, and the third shaft are parallel to each other and fixedly connected in relative position, and the axis lines of the first shaft, the second shaft, and the third shaft are not in the same plane, the first shaft and the second shaft are configured to be capable of rotating synchronously around the third shaft, thereby driving the first seat part and the second seat part to rotate around the third shaft together.

[0009] Optionally, according to one embodiment of the present application, the first seat part and the second seat part are configured with the same length, the distance between the first shaft and the second shaft is greater than the distance between the second shaft and the third shaft and the distance between the first shaft and the third shaft, one of the first seat part and the second seat part can serve as a seat cushion and the other can serve as a backrest, and the seat part serving as the seat cushion is partially below the seat part serving as the backrest in the sitting position.

[0010] Optionally, according to one embodiment of the present application, the first seat part and the second seat part are configured with the same length, the distance between the first shaft and the second shaft is S≥2(D1+R), wherein R is the minimum envelope radius of the envelope surface of the end of the first shaft, and D1 is the distance from the geometric center of the envelope surface, and in the sitting position, the seat part serving as the seat cushion is partially below the seat part serving as the backrest with 1 / 5-1 / 4 of its length.

[0011] Optionally, according to one embodiment of the present application, the third shaft is rotatably supported on the base of the seat through a support seat, and the seat further comprises an angle adjusting disc, the first shaft, the second shaft and the third shaft are respectively connected to the angle adjusting disc through their ends, and the angle adjusting disc is arranged on the side of the first seat part and the second seat part.

[0012] Optionally, according to one embodiment of the present application, an arc-shaped angle adjusting hole is arranged on the angle adjusting disc, a stop pin is arranged on the support seat and inserted into the angle adjusting hole, and the arc shape is concentric with the third shaft.

[0013] Optionally, according to one embodiment of the present application, part of the circumference of the angle adjusting disc is configured as an arc-shaped circumference concentric with the third shaft, and a tooth is arranged thereon, and a driving gear meshing with the tooth is rotatably arranged on the support seat.

[0014] Optionally, according to one embodiment of the present application, a driving handle coaxially arranged with the driving gear is arranged on the side of the support seat or a driving motor is arranged on the support seat, and the output shaft of the driving motor is connected to the driving gear.

[0015] Optionally, according to one embodiment of the present application, the central angle of the arc-shaped angle adjusting hole and the arc-shaped circumference is 90°-150°.

[0016] Optionally, according to an embodiment of the present application, a first rotary motor is arranged on the first shaft for driving the rotation of the first seat part about the first shaft, the first rotary motor having a first self-locking mechanism for fixing the angular position of the first seat part about the first shaft; a second rotary motor is arranged on the second shaft for driving the rotation of the second seat part about the second shaft, the second rotary motor having a second self-locking mechanism for fixing the angular position of the second seat part about the second shaft.

[0017] Optionally, according to an embodiment of the present application, a first locking member is arranged on the first seat part, a second locking member is arranged on the second seat part, and a first counter locking member matching the first locking member and a second counter locking member matching the second locking member are arranged on the base of the seat.

[0018] The seat has at least a first seating position, a lying position and a second seating position,

[0019] In the first seating position, the first locking member is not in locking engagement with the first counter locking member, the second locking member is in locking engagement with the second counter locking member, the first seat part serves as the backrest of the seat, and the second seat part serves as the seat cushion of the seat.

[0020] In the lying position, the first locking member is in locking engagement with the first counter locking member, the second locking member is in locking engagement with the second counter locking member, and the first seat part and the second seat part are laid flat on the base of the seat.

[0021] In the second seating position, the first locking member is in locking engagement with the first counter locking member, the second locking member is not in locking engagement with the second counter locking member, the first seat part serves as the seat cushion of the seat, and the second seat part serves as the backrest of the seat.

[0022] Optionally, according to an embodiment of the present application, the first counter locking member and the second counter locking member are configured as locking pins protruding from the base of the seat, and the first locking member and the second locking member are configured as receiving claws matching the locking pins.

[0023] Optionally, according to an embodiment of the present application, the seat further comprises a headrest, the headrest being detachably inserted into a first counter insertion part of the first seat part through an insertion part of the headrest, and a second counter insertion part matching the insertion part is arranged on the second seat part.

[0024] Optionally, according to an embodiment of the present application, the seat further comprises a headrest reversibly connected to the end of the first seat part and the second seat part, a receiving recess matching the shape of the headrest is arranged on the side of the first seat part and the second seat part not used for leaning, and the headrest can be reversed into the receiving recess.

[0025] Optionally, according to an embodiment of the present application, a gas cushion adjustable in inflation and deflation is arranged on the side of the first seat part and / or the second seat part used for sitting and leaning.

[0026] Optionally, according to an embodiment of the present application, a sliding groove is configured on the base of the seat, a sliding block matching the sliding groove is configured on the supporting base, the supporting base is fixedly connected to the sliding groove through the sliding block, and the supporting base can slide along the sliding groove.

[0027] Optionally, according to an embodiment of the present application, a sliding part matching the sliding groove is arranged on the locking pin, and the supporting base is fixedly connected to the locking pin through a connecting rod accommodated in the sliding groove.

[0028] Optionally, according to an embodiment of the present application, the supporting base comprises a main body and a base, the third shaft is installed on the main body, the main body is reversibly connected to the base, and the main body can rotate relative to the base around the vehicle z-axis.

[0029] According to another aspect of the present application, the present application provides a vehicle, wherein the vehicle comprises the above-mentioned seat.

[0030] The advantages of the present application include:

[0031] 1. The seat is arranged with a three-axis structure, so that the backrest and the cushion of the seat can rotate around one axis respectively and simultaneously rotate around another axis fixedly arranged outside, thereby realizing the reversal of the seat; the backrest and the cushion are interchanged when changing from a forward sitting position to a reverse sitting position, reducing the rotation sweep envelope area of the seat adjustment to the reverse sitting position, and realizing the reverse sitting of the seat without increasing the space of the vehicle cabin;

[0032] 2. The backrest and the cushion of the seat are designed with the backrest structure of a standard vehicle seat, but the cushion is always inserted under the backrest with a length, and the seat size design is considered in ergonomics that the length of the cushion should be less than the length of the backrest, preventing the passenger's legs from being uncomfortable due to the too long cushion;

[0033] 3. The overall rotation angle of the seat can be adjusted by the angle adjustment dial. The angles of the seat back and seat cushion can be adjusted separately by the motor. The seat part near the base can be locked by the locking device, which can realize multiple seat working positions such as sitting upright, sitting backward, and lying flat. Attached Figure Description

[0034] Referring to the accompanying drawings, the above and other features of the present invention will become apparent, wherein,

[0035] Figure 1 A perspective view of a seat according to an embodiment of the present invention is shown;

[0036] Figure 2 A side view of a seat according to an embodiment of the present invention is shown;

[0037] Figure 3 Show Figure 1 The geometric relationship between the two seat parts and the three axes when the seat is in the seated position;

[0038] Figure 4 An enlarged view of the seat adjustment disc and support portion components according to an embodiment of the present invention is shown;

[0039] Figure 5 Show Figure 1 A structural diagram of the seat in the first seating position;

[0040] Figure 6 Show Figure 1 A structural diagram of the seat in the reclining position;

[0041] Figure 7 Show Figure 1 A structural diagram of the seat in the second seating position. Detailed Implementation

[0042] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0043] The orientation terms mentioned or possibly mentioned in the present description, such as upper, lower, left, right, front, rear, front side, back side, top, bottom, etc., are defined with respect to the configuration shown in the respective figures and are relative terms, so that they can change accordingly depending on the different positions, different use states, etc. Therefore, these or other orientation terms should not be interpreted as limiting terms. Furthermore, the terms "first", "second", "third", etc. or similar expressions are only used for description and differentiation purposes and should not be interpreted as indicating or implying the relative importance of the respective components or the sequence or assembly sequence of the components.

[0044] Reference Figure 1 and 2 which respectively show a perspective view and a side view of a seat 100 according to an embodiment of the present application. In Figure 1 The seat 100 comprises a first seat part 1 and a second seat part 2 in the embodiment shown. Since the seat 100 has a folding and lying function, both the first seat part 1 and the second seat part 2 have the function of a backrest or a seat cushion or together serve as a lying mat in the lying position. Generally, when the seat 100 is sitting, i.e. facing the direction of travel of the vehicle, the first seat part 1 serves as a seat cushion and the second seat part 2 serves as a backrest, and vice versa when the seat 100 is reversed.

[0045] The first seat part 1 is mounted at one end on a first shaft 10 and can rotate about the first shaft 10, and the second seat part 2 is mounted at one end on a second shaft 20 and can rotate about the second shaft 20. The first shaft 10 and the second shaft 20 are in particular arranged at the end of the seat parts, and the seat parts are generally provided with an arc-shaped envelope at the end where the first shaft 10 and the second shaft 20 are mounted, facilitating the rotation of the two seat parts relative to each other, and of course the end can also be provided with an involute envelope, so that the further the two seat parts are spread out relative to each other, the smaller the radius of the envelope, thus preventing the two seat parts from jamming at their ends when rotating.

[0046] The seat 100 further comprises a third shaft 30 arranged outside the two seat parts, for example on a seat base 3. The first shaft 10, the second shaft 20 and the third shaft 30 are connected to each other in parallel and in a fixed position relative to each other, and the axes are not in the same plane. That is, when viewed from the ends of the three shafts, the three shafts form a triangular shape. The first shaft 10 and the second shaft 20 can rotate synchronously about the third shaft 30, i.e. the ends of the three shafts forming a triangular structure can rotate as a whole about the third shaft 30, thereby driving the first seat part 1 and the second seat part 2 to rotate together about the third shaft 30, so that the working position of the seat 100 changes.

[0047] In one embodiment of the application, the first seat part 1 and the second seat part 2 are configured with the same length, further for example also with the same structure. The distance between the first axis 10 and the second axis 20 is greater than the distance between the second axis 20 and the third axis 30 and the distance between the first axis 10 and the third axis 30, one of the first seat part 1 and the second seat part 2 can serve as a seat cushion and the other as a backrest, and the seat part serving as a seat cushion is positioned below the seat part serving as a backrest in a partial length, so that the seat 100 is in a seating position. In the following, the seating position will be referred to as the seating position of the seat 100. Figure 3 The structure and dimension design between the two seat parts and the three axes will be described in detail, Figure 3 The geometric relationship between the two seat parts and the three axes in the seating position of the seat 100, especially in the upright position, will be briefly shown.

[0048] In the conventional seat ergonomics design, the backrest is designed to be about 600 mm in length, and the seat cushion is designed to be between 400-500 mm in length, so that in the seating position, the seat cushion will not be too long to press against the shins of the occupant, causing discomfort in the seating position. In the embodiment of the application, Figure 3 In the embodiment of the application, the first seat part 1 and the second seat part 2 are designed according to the structure of the backrest in a general standard vehicle seat, that is, the length of each is about 600 mm. Since in the seating position of the seat 100, one of the first seat part 1 and the second seat part 2 must be a seat cushion, at this time the size of the seat must be designed so that in the seating position, the seat part serving as a seat cushion is inserted below the seat part serving as a backrest, so that the length of the seat part serving as a seat cushion left for the occupant to sit on is about 400-500 mm. In this way, in the upright and reverse seating positions of the seat 100, the lengths of the seat cushion and the backrest can both provide comfortable seating experience for the occupant in terms of ergonomics.

[0049] Here, first of all, the concepts of "seating position" and "seat design position" are defined. The seating position is the position in which the seat is used only for seating and not for lying, that is, as long as one of the two seat positions is used as a backrest and the other as a seat cushion, and not both completely flat, then the seat is in the seating position. The seat design position is the seat position required by the industry and national standards for vehicle seats during the standard vehicle seat design stage. In the seat design position, the angle between the seat backrest and the vertical direction is about 17°-27°, and the angle between the seat cushion and the horizontal direction is about 7°-17°.

[0050] In the Figure 3 In the embodiment of the application, the geometric dimension relationship between the two seat parts and the three axes is shown in a simplified manner. First of all, both the first seat part 1 and the second seat part 2 are provided with an arc surface or an arc-like envelope surface at their end portions to facilitate their rotation relative to each other. The geometric center of the envelope surface is at the intersection of the two axes 10 and 20. Figure 2The minimum envelope radius is marked with R. The axis is arranged on the seat part on a center plane of the seat part, which is at a distance D1 from the geometric center of the envelope surface, D1 > 0, that is, the axis is arranged either on the geometric center or further away from the end of the seat part with respect to the geometric center. In Figure 3 In order to ensure that the two seat parts do not jam when being rotated with respect to each other and that the two seat parts can be rotated to a flat lying position at 180° to each other, the distance S between the first axis 10 and the second axis 20 should be not less than 2(D1 + R). When the seat 100 is adjusted to a seat design position, that is, the angle a between the backrest and the vertical direction is between 17° and 27°, and the angle β between the seat cushion and the horizontal direction is between 7° and 17°, it can be seen from Figure 3 It can be seen from the above that the length of the seat cushion extending under the backrest is R + D1 + D2, wherein D2 is the projection length of the part of the backrest on the front side (in the riding direction) of the line connecting the first axis 10 and the second axis 20 to the seat cushion, which is related to R and the angles a and β. The length of the seat cushion extending under the backrest R + D1 + D2 is, for example, between 120 mm and 150 mm, that is, 1 / 5 to 1 / 4 of the length of the seat cushion extends under the backrest. In this way, no matter whether the seat is in a forward sitting position or a reverse sitting position, the length of the seat cushion will not be too long to press the legs of the rider, so that the seat cushion and the backrest can provide a comfortable riding experience in terms of ergonomics in terms of size and shape.

[0051] Reference is made to Figure 4 which shows an enlarged view of the angle adjustment knob 5 of the seat 100 and part components of the support base 4 according to one embodiment of the present application. In order to conveniently show part components of the support base, the main body of the support base is partially removed in the figure. In Figure 1 and Figure 4 In the embodiment of the present application, the seat 100 further comprises an angle adjustment knob 5, the third axis 30 is rotatably supported on the base 3 of the seat 100 by the support base 4, the first axis 10, the second axis 20 and the third axis 30 are respectively connected to the angle adjustment knob 5 by their ends, and the angle adjustment knob 5 is arranged on the side of the first seat part 10 and the second seat part 20. In this arrangement, the rotation axis of the angle adjustment knob 5 is the third axis 30, and when the angle adjustment knob 5 is rotated, it rotates around the third axis 30 and drives the first axis 10 and the second axis 20 connected thereto to rotate together. It should be understood that the base of the seat 100 can be the floor of the vehicle, that is, the third axis 30 can be directly supported on the floor of the vehicle by the support base 4.

[0052] In Figure 4In an embodiment of the application, the angle adjustment disc 5 is provided with an arc-shaped angle adjustment hole 51, and the support base 4 is provided with a stop pin 41 which is inserted into the angle adjustment hole 51 of the angle adjustment disc 5. The arc-shaped angle adjustment hole 51 is concentric with the third shaft 30. In this arrangement, when the angle adjustment disc 5 rotates, the angle adjustment hole 51 rotates with it, and the stop pin 41 on the support base 4 remains stationary. When the stop pin 41 stops at the edge of the angle adjustment hole 51, the rotation of the angle adjustment disc 5 is stopped. The arrangement of the stop pin 41 and the angle adjustment hole 51 limits the rotation angle of the angle adjustment disc 5, and thus limits the rotation angle of the first shaft 10 and the second shaft 20 as a whole around the third shaft 30. The central angle of the angle adjustment hole 51 is generally set to be 90°-150°, i.e. the first shaft 10 and the second shaft 20 as a whole can rotate 90°-150° around the third shaft 30.

[0053] In an embodiment of the application, the angle adjustment disc 5 is provided with an arc-shaped angle adjustment hole 51, and the support base 4 is provided with a stop pin 41 which is inserted into the angle adjustment hole 51 of the angle adjustment disc 5. The arc-shaped angle adjustment hole 51 is concentric with the third shaft 30. In this arrangement, when the angle adjustment disc 5 rotates, the angle adjustment hole 51 rotates with it, and the stop pin 41 on the support base 4 remains stationary. When the stop pin 41 stops at the edge of the angle adjustment hole 51, the rotation of the angle adjustment disc 5 is stopped. The arrangement of the stop pin 41 and the angle adjustment hole 51 limits the rotation angle of the angle adjustment disc 5, and thus limits the rotation angle of the first shaft 10 and the second shaft 20 as a whole around the third shaft 30. The central angle of the angle adjustment hole 51 is generally set to be 90°-150°, i.e. the first shaft 10 and the second shaft 20 as a whole can rotate 90°-150° around the third shaft 30. Figure 4 In an embodiment of the application, the angle adjustment disc 5 is provided with an arc-shaped angle adjustment hole 51, and the support base 4 is provided with a stop pin 41 which is inserted into the angle adjustment hole 51 of the angle adjustment disc 5. The arc-shaped angle adjustment hole 51 is concentric with the third shaft 30. In this arrangement, when the angle adjustment disc 5 rotates, the angle adjustment hole 51 rotates with it, and the stop pin 41 on the support base 4 remains stationary. When the stop pin 41 stops at the edge of the angle adjustment hole 51, the rotation of the angle adjustment disc 5 is stopped. The arrangement of the stop pin 41 and the angle adjustment hole 51 limits the rotation angle of the angle adjustment disc 5, and thus limits the rotation angle of the first shaft 10 and the second shaft 20 as a whole around the third shaft 30. The central angle of the angle adjustment hole 51 is generally set to be 90°-150°, i.e. the first shaft 10 and the second shaft 20 as a whole can rotate 90°-150° around the third shaft 30.

[0054] In one embodiment of the present application, a first rotary motor is provided on the first shaft 10 for driving the rotation of the first seat part 1 about the first shaft 10, the first rotary motor having a first self-locking mechanism for fixing the angular position of the first seat part 1 about the first shaft 10; a second rotary motor is provided on the second shaft 20 for driving the rotation of the second seat part 2 about the second shaft 20, the second rotary motor having a second self-locking mechanism for fixing the angular position of the second seat part 2 about the second shaft 20. The rotation of the first seat part 1 about the first shaft 10 and the rotation of the second seat part 2 about the second shaft 20 are respectively driven by separate motors. Similarly, the occupant can activate the first rotary motor and the second rotary motor by means of the buttons provided on the sides of the first seat part 1 and the second seat part 2 to rotate the first seat part 1 or the second seat part 2 to the desired angle. When rotated to the desired angle, the fixing of the first seat part 1 relative to the first shaft 10 and the fixing of the second seat part 2 relative to the second shaft 20 are achieved by the self-locking mechanisms of the motors themselves, so that there is no need to additionally provide a mechanical angle adjuster at the first shaft 10 or the second shaft 20.

[0055] Referring again to Figure 1 and 2 , in Figure 1 and 2 , a first locking member 11 is arranged on the first seat part 1, a second locking member 21 is arranged on the second seat part 2, and a first mating locking member 31 matching the first locking member 11 and a second mating locking member 32 matching the second locking member 21 are arranged on the base 3 of the seat 100. By engaging the first locking member 11 and the first mating locking member 31, the first seat part 1 can be fixed in the position as a seat cushion, that is, the seat 100 is in the occupant-facing rearward position. By engaging the second locking member 21 and the second mating locking member 32, the second seat part 2 can be fixed in the position as a seat cushion, that is, the seat 100 is in the occupant-facing forward position. When both the first locking member 11 and the first mating locking member 31 and the second locking member 21 and the second mating locking member 32 are engaged, the seat 100 as a whole is in a flat state and can be used for the occupant to lie down.

[0056] Referring to Figure 5 , 6 and 7, which respectively show the structural schematic views of the seat 100 in the first occupant position, the lying position, and the second occupant position in Figure 1 .

[0057] In the first seating position, the first locking element 11 is not in locking engagement with the first counter locking element 31, the second locking element 21 is in locking engagement with the second counter locking element 32, the first seat part 1 is the backrest of the seat 100 and the second seat part 2 is the seat cushion of the seat 100;

[0058] In the lying position, the first locking element 11 is in locking engagement with the first counter locking element 31, the second locking element 21 is in locking engagement with the second counter locking element 32, the first seat part 1 and the second seat part 2 are lying on the base 3 of the seat 100;

[0059] In the second seating position, the first locking element 11 is in locking engagement with the first counter locking element 31, the second locking element 21 is not in locking engagement with the second counter locking element 32, the first seat part 1 is the seat cushion of the seat 100 and the second seat part 2 is the backrest of the seat 100.

[0060] In one embodiment of the application, the first counter locking element 31 and the second counter locking element 32 are configured as locking pins protruding from the base of the seat, and the first locking element 11 and the second locking element 21 are configured as receiving claws matching the locking pins. When the seat parts are rotated from top to bottom, the respective locking pins can be inserted into the receiving claws.

[0061] In one embodiment of the application, the seat 100 further comprises a headrest 6 which is detachably plugged into the first counter plug-in part of the first seat part 1 via its plug-in part, and a second counter plug-in part matching the plug-in part is provided on the second seat part 2 (not shown in Figure 1 and 2 ). The headrest 6 is plugged onto the first seat part 1 in the first operating position and can be removed from the first seat part 1 and plugged onto the second seat part 2 in the third operating position, so that a headrest 6 is always mounted on the seat part which is the backrest in the seating position of the seat 100.

[0062] In an embodiment not shown, the headrest is pivotably connected to the end of the first seat part and the second seat part, and a receiving recess matching the shape of the headrest is provided on the side of the first seat part and the second seat part which is not used for leaning, and the headrest can be pivoted into the receiving recess. In this way, it is also possible to always have a headrest mounted on the seat part which is the backrest in the seating position of the seat, and the headrest on the seat part which is the seat cushion can also be unfolded to serve as a foot mat.

[0063] In one embodiment of the present application, an air cushion that is adjustable by inflation and deflation is arranged on the side of the first seat part 1 and / or the second seat part 2 where the seat part is used for sitting. The height of the seat part that protrudes outward can be adjusted by the air cushion that is adjustable by inflation and deflation, and can be adaptively adjusted according to whether the seat part is used as a backrest or as a seat cushion. For example, when the seat part is used as a backrest, the air cushion can be controlled to protrude at the waist of the occupant to provide waist support.

[0064] In one embodiment of the present application, a sliding groove 33 is configured on the base 3 of the seat, and a sliding block 43 that matches the sliding groove 33 is configured on the support base 4. The support base 4 is engaged into the sliding groove 33 through the sliding block 43 and can slide along the sliding groove 33. The sliding groove 33 is arranged in particular along the length direction of the vehicle, so that the position adjustment of the seat 100 in the length direction of the vehicle can be realized through the relative movement of the sliding block 43 and the sliding groove 33. Further, a sliding part that matches the sliding groove 33 is arranged on the locking pin, and the support base 4 is fixedly connected to the locking pin through the connecting rod accommodated in the sliding groove 33. That is, when the support base 4 slides in the sliding groove 33, the locking pin also slides together with the support base 4, and the relative distance between the support base 4 and the locking pin remains unchanged, thereby ensuring that the seat 100 can also realize the adjustment of the above-mentioned three seat working positions when sliding.

[0065] In one embodiment of the present application, the support base 4 includes a main body and a base, the third shaft 30 is arranged on the main body, and the sliding block 43 is arranged on the base. The main body is rotatably connected to the base, and the main body can rotate relative to the base about an axis perpendicular to the axis of the third shaft, i.e., the vehicle z-axis. Through the relative rotation of the main body and the base of the support base 4, the rotation of the seat as a whole relative to the base about the vehicle z-axis can be realized when the two seat parts are not fixed. In this way, not only can the rear seats be arranged facing each other, but also the seating positions of the seats facing in various directions can be realized.

[0066] Another aspect of the present application proposes a vehicle, wherein the vehicle includes the above-mentioned seat 100. In one embodiment of the present application, the vehicle includes at least three rows of seats, at least the first row of seats and the second row of seats are arranged as the above-mentioned seat 100, so that the first row of seats and the second row of seats, and the second row of seats and the third row of seats can be arranged facing each other, thereby providing more seat postures suitable for different vehicle scenes compared with conventional vehicles. It should be understood that the vehicle can also include only one row of seats and two rows of seats, depending on the requirements of the vehicle for the seat posture.

[0067] It should be understood that the seat 100 of the present application can be installed on various vehicles, including sedans, trucks, buses, hybrid electric vehicles, pure electric vehicles, etc. Therefore, the subject of the present application also aims to protect various vehicles equipped with the seat 100 of the present application.

[0068] It is to be understood that all the above preferred embodiments are illustrative and not restrictive, and that various modifications or variations of the specific embodiments described above can be made by those skilled in the art under the concept of the present application, and that such modifications or variations should be within the legal protection scope of the present application.

Claims

1. A seat comprising a first shaft and a first seat part, one end of which is fitted on the first shaft and is rotatable therearound, and comprising a second shaft and a second seat part, one end of which is fitted on the second shaft and is rotatable therearound, characterized in that, The seat further comprises a third shaft arranged outside the first and second seat portions, the first, second and third shafts are parallel to each other and fixedly connected in relative position, and the axes of the first, second and third shafts are not in the same plane, the first and second shafts are configured to be able to rotate synchronously around the third shaft, thereby driving the first and second seat portions to rotate around the third shaft together; The first and second seat portions are configured with the same length, the distance between the first and second shafts is greater than the distances between the second and third shafts and the first and third shafts, one of the first and second seat portions can serve as a seat cushion and the other can serve as a backrest, and the seat cushion is partially below the backrest in the length of 1 / 5 to 1 / 4 of the seat cushion when the seat is in a seating position; The first and second seat portions are configured with the same length, the distance between the first and second shafts is greater than the distances between the second and third shafts and the first and third shafts, one of the first and second seat portions can serve as a seat cushion and the other can serve as a backrest, and the seat cushion is partially below the backrest in the length of 1 / 5 to 1 / 4 of the seat cushion when the seat is in a seating position; The length of the seat cushion extending into the backrest is R+D1+D2, wherein D2 is the projection length of the part of the backrest in front of the line connecting the first and second shafts in the seating direction onto the seat cushion; The third shaft is rotatably supported on the base of the seat through a support seat.

2. The seat of claim 1, wherein The seat further comprises a tilt plate, the first, second and third shafts are connected to the tilt plate through their end portions, and the tilt plate is arranged on the side of the first and second seat portions.

3. The seat of claim 2, wherein, An arc-shaped tilt hole is arranged on the tilt plate, a stop pin is arranged on the support seat and inserted into the tilt hole, and the arc shape is concentric with the third shaft.

4. The seat of claim 3, wherein Part of the circumferential edge of the tilt plate is configured as an arc-shaped circumferential edge concentric with the third shaft, and a tooth is arranged thereon, and a drive gear wheel engaged with the tooth is rotatably arranged on the support seat.

5. The seat of claim 4, wherein, A drive handle coaxially arranged with the drive gear wheel is arranged on the side of the support seat, or a drive motor is arranged on the support seat, and the output shaft of the drive motor is connected to the drive gear wheel.

6. The seat of claim 4, wherein, The central angles of the arc-shaped tilt hole and the arc-shaped circumferential edge are both 90°-150°.

7. The seat of claim 1, wherein A first rotary motor is arranged on the first shaft to drive the rotation of the first seat portion around the first shaft, and the first rotary motor has a first self-locking mechanism to fix the angular position of the first seat portion rotating around the first shaft; a second rotary motor is arranged on the second shaft to drive the rotation of the second seat portion around the second shaft, and the second rotary motor has a second self-locking mechanism to fix the angular position of the second seat portion rotating around the second shaft.

8. The seat of claim 2, wherein, A first locking member is arranged on the first seat part, a second locking member is arranged on the second seat part, and a first counter locking member matching the first locking member and a second counter locking member matching the second locking member are arranged on the base of the seat; The seat has at least a first seating position, a lying position and a second seating position, In the first seating position, the first locking member is not in locking engagement with the first counter locking member, the second locking member is in locking engagement with the second counter locking member, the first seat part serves as the backrest of the seat, and the second seat part serves as the seat cushion of the seat; In the lying position, the first locking member is in locking engagement with the first counter locking member, the second locking member is in locking engagement with the second counter locking member, and the first seat part and the second seat part are laid flat on the base of the seat; In the second seating position, the first locking member is in locking engagement with the first counter locking member, the second locking member is not in locking engagement with the second counter locking member, the first seat part serves as the seat cushion of the seat, and the second seat part serves as the backrest of the seat.

9. The seat of claim 8, wherein, The first counter locking member and the second counter locking member are configured as locking pins protruding from the base of the seat, and the first locking member and the second locking member are configured as receiving claws matching the locking pins.

10. The seat of claim 1, wherein, The seat further comprises a headrest which is detachably inserted into a first counter insertion part of the first seat part through an insertion part thereof, and a second counter insertion part matching the insertion part is provided on the second seat part.

11. The seat of claim 1, wherein The seat further comprises a headrest which is reversibly connected to the end portions of the first seat part and the second seat part, a receiving recess matching the shape of the headrest is provided on the side of the first seat part and the second seat part which is not used for leaning, and the headrest can be reversed into the receiving recess.

12. The seat of claim 1, wherein, An air cushion which is adjustable by inflation and deflation is provided on the side of the first seat part and / or the second seat part which is used for sitting and leaning.

13. The seat of claim 9, wherein, A sliding groove is configured on the base of the seat, a sliding block matching the sliding groove is configured on the support base, the support base is engaged into the sliding groove through the sliding block and can slide along the sliding groove.

14. The seat of claim 13, wherein, A sliding portion matching the sliding groove is provided on the locking pin, and the support base is fixedly connected with the locking pin through a connecting rod received in the sliding groove.

15. The seat of claim 2, wherein, The support base comprises a main body and a base, the third shaft is mounted on the main body, the main body is rotatably connected to the base, and the main body can rotate relative to the base around the vehicle z-axis.

16. A vehicle characterized by comprising: The vehicle comprises the seat according to any one of claims 1 to 15.

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