WO2024031940A1 - 车辆多功能座椅以及使用该座椅的车辆 - Google Patents

车辆多功能座椅以及使用该座椅的车辆 Download PDF

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Publication number
WO2024031940A1
WO2024031940A1 PCT/CN2023/074323 CN2023074323W WO2024031940A1 WO 2024031940 A1 WO2024031940 A1 WO 2024031940A1 CN 2023074323 W CN2023074323 W CN 2023074323W WO 2024031940 A1 WO2024031940 A1 WO 2024031940A1
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WO
WIPO (PCT)
Prior art keywords
backrest
seat cushion
seat
bottom frame
assembly
Prior art date
Application number
PCT/CN2023/074323
Other languages
English (en)
French (fr)
Inventor
肖和平
王皓
Original Assignee
江苏三乔智能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏三乔智能科技有限公司 filed Critical 江苏三乔智能科技有限公司
Publication of WO2024031940A1 publication Critical patent/WO2024031940A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
    • B60N2/34—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/62—Thigh-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B60N2002/948—Positioning and locking mechanisms the actuation of the positioning or locking mechanism for one seat part being dependent on the position of another seat part, e.g. the seats floor lock being unlocked when the back-rest is inclined or the backrest can be tilted only when the seat is in its rear position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
    • B60N2002/971—Positioning and locking mechanisms characterised by details of the locking system the locking system being an element distinct from articulation means, retaining the seat or seat part in its folded position, e.g. controlled by a wire

Definitions

  • the present invention belongs to the field of vehicle technology, and in particular relates to a vehicle multifunctional seat and a vehicle using the seat.
  • RVs that integrate “clothing, food, housing, and transportation” are gradually becoming popular, realizing the fashionable enjoyment of “traveling in life and living while traveling”.
  • Seats are an important configuration of RVs. Users’ requirements for the comfort and safety of seats are gradually increasing. Seats are required to have seat functions, recliner functions, bed functions and other multi-functions to make full use of the interior of RVs. Limited space to meet different living needs with good comfort and safety.
  • Patent 2019113122527 discloses a car front seat.
  • the specific backrest can be flipped backwards and flattened so that the seat can function as a bed.
  • it has an obvious flaw, that is, when the backrest is flattened, the seat cushion still remains from front to back. In the downward tilted state, there is a significant height difference between the ends of the seat cushion and the backrest that are close to each other, which greatly reduces the user's comfort.
  • Patent 202111227621X discloses a RV seat structure.
  • the specific backrest can be flipped to a horizontal state. At this time, the front surface of the backrest is supported on the upper surface of the seat cushion, and the backrest is used as a bed.
  • the above two existing seats have the following defects. , the seat takes up a lot of space, and the space occupied by the seat is seriously wasted. When the usable space is very limited, it affects the overall comfort and aesthetics of the RV.
  • the present invention provides a multifunctional vehicle seat and a vehicle using the seat.
  • a multifunctional vehicle seat includes a bottom frame, a seat cushion and a backrest.
  • the end of the seat cushion away from the backrest is rotationally connected to the bottom frame through a hinge assembly.
  • the seat cushion A padlock assembly is provided at one end close to the backrest, and a lock is provided on the bottom frame. When the padlock assembly is locked with the lock, the seat cushion tilts downward toward the backrest;
  • the backrest is rotationally connected to the bottom frame through an angle adjuster, and a cantilever component is provided on the backrest.
  • a cantilever component is provided on the backrest.
  • the cantilever component triggers the padlock component to disengage from the lock and unlock it.
  • the cantilever component is used to support the seat cushion. At this time, the height of the end of the seat cushion and the backrest that are close to each other is the same.
  • the hinge assembly is detachably connected to the bottom frame.
  • the backrest When the seat cushion is detached from the bottom frame through the hinge assembly, the backrest can be rotated close to the bottom frame to a horizontal state. At this time, the bottom frame is used for support. Backrest.
  • the backrest When the backrest is rotated away from the seat cushion to a horizontal state, it can be used as a bed together with the seat cushion.
  • the backrest When the backrest is rotated close to the bottom frame to a horizontal state, it can be used as another bed. It can be used in the bed state. At this time, it can also be combined with the bed on the RV to form a shared bed, which greatly increases the use area of the bed and realizes the changeable states of the multi-functional seat.
  • the backrest is rotated close to the bottom frame to a horizontal state as a bed state. Using it, it can significantly reduce the space occupied and improve the utilization of the limited space in the RV.
  • the seat cushion is a single, double or three-person seat cushion; the seat cushion includes a seat cushion frame and a seat cushion foam arranged on the seat cushion frame; the backrest includes a backrest frame and a backrest foam arranged on the backrest frame,
  • the hinge assembly and the padlock assembly are both provided on the seat cushion frame, the angle adjuster and the cantilever assembly are both provided on the backrest frame; a headrest is provided on the backrest.
  • the double or triple backrest corresponding to the double or triple seat cushion is rotated close to the bottom frame to a horizontal state when used as a bed to ensure the usable area of the bed.
  • the hinge assembly includes a first connection base, a second connection base and a first hook connected in sequence, the first connection base and the second connection base are rotationally connected, and the bottom frame is provided with a first hook Matching second hook; the number of the hinge components is at least two groups, and at least two groups of the hinge components are arranged sequentially along the width direction of the seat.
  • the structure of the hinge assembly is simple and reliable, easy to install and low in cost.
  • an anti-collision pad is provided between the seat cushion and the bottom frame, and an anti-collision pad is also provided between the second connecting seat and the bottom frame. It effectively avoids abnormal noise between the seat cushion and the bottom frame, and effectively protects the seat cushion and bottom frame.
  • the bottom frame is enclosed around to form a storage space
  • the seat cushion serves as a switchable door of the storage space.
  • the storage space can be used by opening the seat cushion, which is convenient to operate and further improves the utilization of the limited space in the RV.
  • the padlock assembly includes a base, a lock hook and an unlocking lever.
  • the base is provided on the seat cushion.
  • the top end of the lock hook is rotationally connected to the base.
  • a spring is provided between the lock hook and the base.
  • the bottom end of the lock hook has an upwardly bent hook portion, and the hook portion has a guide surface.
  • the lock hook is pressed down, the lock catch enters the hook portion along the guide surface, At this time, the padlock assembly is locked with the lock; the unlocking lever is set on the lock hook.
  • the cantilever component moves the unlocking lever until the unlocking lever drives the lock
  • the hook causes the hook portion to break away from the lock and unlock.
  • the padlock assembly has a simple and reliable structure, ingenious design, convenient locking and unlocking operations, stable functions and high safety performance.
  • the unlocking lever is provided with an unlocking strap, and the unlocking strap is exposed on the seat cushion. Pull the unlocking strap outward to move the unlocking lever until the unlocking lever drives the lock hook to separate the hook part from the lock buckle and unlock it, providing another convenient unlocking method for the padlock assembly.
  • the cantilever assembly includes a first force arm and a second force arm.
  • One end of the first force arm is fixedly connected to the backrest, and the other end of the first force arm is rotationally connected to the second force arm.
  • a torsion spring is provided between the first force arm and the second force arm, and the second force arm abuts against the bottom frame under the action of the torsion spring; one end of the first force arm close to the second force arm has a force Arm force-bearing surface, when the backrest rotates away from the seat cushion to a horizontal state, driven by the force arm force-bearing surface, the second force arm triggers the unlocking lever to disengage the padlock assembly from the lock buckle and unlock.
  • the structure of the cantilever assembly is cleverly designed to facilitate triggering the unlocking lever to unlock the padlock assembly. The component is released from the lock and unlocked, and the force of the cantilever component is stable and reliable.
  • the number of the cantilever assemblies is at least two groups, and the at least two groups of the cantilever assemblies are arranged sequentially along the width direction of the seat.
  • the number of the padlock assemblies is one set, and one set of the padlock assemblies is the same as one set of the padlock assemblies.
  • the cantilever components are arranged oppositely. Ensure that the cantilever component can bear the weight from the seat cushion stably and reliably.
  • a support frame is provided on the seat cushion.
  • the second force arm contacts the support frame and receives force; when the backrest rotates away from the seat cushion to a horizontal state, the second force arm contacts the support frame and receives force.
  • the second force arms of a set of cantilever assemblies opposite to the padlock assembly are in contact with the unlocking rod and receive force, and no support frame is provided there. Ensure stable and reliable support of the cantilever assembly.
  • the seat cushion is provided with n-shaped limiting parts on both sides in the width direction thereof, and the n-shaped limiting parts are in contact with the inner side wall of the bottom frame.
  • the n-shaped stopper effectively limits the seat cushion laterally to prevent the seat cushion from shaking left and right.
  • the vehicle is a RV, and the vehicle multi-function seat is arranged in the compartment of the RV.
  • the end of the seat cushion away from the backrest is rotationally connected to the bottom frame through a hinge assembly, and the end of the seat cushion close to the backrest is locked or unlocked with the lock on the bottom frame through a padlock assembly.
  • the seat is in normal position.
  • the padlock assembly is firmly locked with the lock on the bottom frame, the seat cushion tilts downward toward the backrest, and the backrest is in an upright state.
  • the inclination angle of the backrest can be adjusted through the angle adjuster to suit different sitting postures.
  • Recliner status The seat cushion is installed on the bottom frame, and then the backrest is rotated away from the seat cushion by adjusting the angle adjuster to a horizontal state.
  • the backrest drives the cantilever component to trigger the padlock component to disengage from the lock and unlock.
  • the cantilever component supports the seat cushion, seat cushion and backrest.
  • the ends close to each other are at the same height, and the backrest and seat cushion can be used as a bed together; the structure of the vehicle's multifunctional seat is simple and reliable, and the design is clever.
  • the conversion operation between the seat function, the recliner function and the bed function is convenient. Make full use of the limited space in the RV to meet different living needs with good comfort and safety;
  • the vehicle multifunctional seat of the present invention after unlocking the padlock assembly, remove the seat cushion from the bottom frame, and then adjust the angle adjuster to rotate the backrest close to the bottom frame to a horizontal state.
  • the bottom frame supports the backrest, and the backrest is ready. Used as another bed state, it can also be combined with the bed on the RV to form a shared bed, making the multi-functional seat of the vehicle more functional and making full use of the limited space in the RV to meet different living needs. , and has good comfort.
  • the multifunctional vehicle seat of the present invention and the storage space provided in the bottom frame greatly improve the utilization rate of the limited space in the RV.
  • Figure 1 is a schematic three-dimensional structural diagram of the multifunctional vehicle seat of the present invention in a normal seat state
  • Figure 2 is a schematic three-dimensional structural diagram of Figure 1 when the seat cushion foam and backrest foam are removed;
  • Figure 3 is a partially enlarged schematic diagram of A in Figure 2;
  • Figure 4 is a schematic three-dimensional structural diagram from another angle when the seat cushion foam and backrest foam are removed in Figure 1;
  • Figure 5 is a partially enlarged schematic diagram of B in Figure 4.
  • Figure 6 is a schematic three-dimensional structural diagram of the vehicle multifunctional seat in a bed state according to the present invention.
  • Figure 7 is a schematic three-dimensional structural diagram of Figure 6 when the seat cushion foam and backrest foam are removed;
  • Figure 8 is a partially enlarged schematic diagram of C in Figure 7;
  • Figure 9 is a schematic three-dimensional structural diagram from another angle when the seat cushion foam and backrest foam are removed in Figure 6;
  • Figure 10 is a partially enlarged schematic diagram of D in Figure 9;
  • Figure 11 is a schematic front view of the multifunctional vehicle seat of the present invention when the seat cushion is opened;
  • Figure 12 is a schematic three-dimensional structural diagram of Figure 11 when the seat cushion foam and backrest foam are removed;
  • Figure 13 is a partially enlarged schematic diagram of E in Figure 12; In the picture: 1. Bottom frame, 11. Storage space, 21. Seat cushion frame, 22. Seat cushion foam, 23. Support frame, 24. N-shaped limiter, 25. Anti-collision pad, 31. Backrest frame, 32. Backrest foam, 4. Hinge assembly, 41. First connecting seat, 42. Second connecting seat, 43. First hook, 44. Second hook, 5. Padlock assembly, 51. Lock buckle, 52. Base Seat, 53. Lock hook, 531. Hook part, 532. Guide surface, 54. Unlocking lever, 55. Spring, 56. Unlocking strap, 6. Angle adjuster, 7. Cantilever component, 71. First force arm , 711. Force arm stress surface, 72. Second moment arm, 73. Torsion spring, 8. Head restraint.
  • a multifunctional vehicle seat includes a bottom frame 1, a seat cushion and a backrest.
  • the end of the seat cushion away from the backrest is rotationally connected to the bottom frame 1 through a hinge assembly 4, and the end of the seat cushion close to the backrest is rotatably connected.
  • a padlock assembly 5 is provided, and a lock 51 is provided on the bottom frame 1.
  • the backrest is rotationally connected to the bottom frame 1 through an angle adjuster 6, and is provided with A cantilever component 7 is provided.
  • the cantilever component 7 triggers the padlock component 5 to disengage from the lock 51 and unlock, and the cantilever component 7 is used to support the seat cushion. At this time, the cantilever component 7 is used to support the seat cushion.
  • the ends of the seat cushion and the backrest that are close to each other are at the same height. At this time, the backrest and the seat cushion can be used as a bed.
  • the seat cushion can be a single, double or three-person seat cushion.
  • the seat cushion in this embodiment is a double seat cushion, as shown in Figures 1 to 10.
  • the corresponding backrest is a double backrest.
  • the seat cushion includes a seat cushion frame 21 and a seat cushion foam 22 arranged on the seat cushion frame 21.
  • the backrest includes a backrest frame 31 and a backrest foam 32 arranged on the backrest frame 31.
  • the hinge assembly 4 and the padlock assembly 5 are both provided on the seat cushion frame 21, the angle adjuster 6 and the cantilever assembly 7 are both provided on the backrest frame 31; a headrest 8 is provided on the backrest.
  • the hinge assembly 4 is detachably connected to the bottom frame 1.
  • the backrest can be rotated close to the bottom frame 1 to a horizontal state.
  • the bottom frame 1 is used to support the backrest.
  • the backrest can be used as another bed state.
  • the hinge assembly 4 can also be combined with the bed on the RV to form a shared bed; in order to facilitate the installation and operation of the hinge assembly 4 and ensure its structural strength, in this embodiment, as shown in Figures 5 and 13, specifically, the hinge assembly 4
  • the assembly 4 includes a first connection base 41, a second connection base 42 and a first hook 43 connected in sequence.
  • the first connection base 41 and the second connection base 42 are rotationally connected.
  • the bottom frame 1 is provided with a first connection base and a first hook 43.
  • the hook 43 matches the second hook 44;
  • the number of the hinge components 4 is at least two groups, and the at least two groups of the hinge components 4 are arranged sequentially along the width direction of the seat; as shown in Figures 11 and 12, the bottom
  • the frame 1 is enclosed around to form a storage space 11 , and the seat cushion serves as a switchable door of the storage space 11 .
  • the padlock assembly 5 includes a base 52, a lock hook 53 and a Unlocking lever 54, the base 52 is arranged on the seat cushion, the top end of the lock hook 53 is rotationally connected to the base 52, a spring 55 is provided between the lock hook 53 and the base 52, the lock hook 53 The bottom end has an upwardly bent hook portion 531.
  • the hook portion 531 has a guide surface 532.
  • the cantilever component 7 moves the unlocking lever 54, Until the unlocking rod 54 drives the lock hook 53 to unlock the hook portion 531 from the lock 51; further, the unlocking rod 54 is provided with an unlocking strap 56, and the unlocking strap 56 is exposed on the seat cushion. Pull the unlocking pull outward. With the belt 56 , the unlocking lever 54 can be moved until the unlocking lever 54 drives the lock hook 53 to cause the hook portion 531 to separate from the lock buckle 51 and unlock, thereby providing another convenient unlocking method for the padlock assembly 5 .
  • the cantilever assembly 7 includes a first force arm 71 and a second force arm 72 , one end of the first force arm 71 Fixedly connected to the backrest, the other end of the first force arm 71 is rotationally connected to the second force arm 72.
  • a torsion spring 73 is provided between the first force arm 71 and the second force arm 72.
  • the second force arm 71 is fixedly connected to the backrest.
  • the arm 72 is pressed against the bottom frame 1 under the action of the torsion spring 73; one end of the first force arm 71 close to the second force arm 72 has a force arm force-bearing surface 711.
  • the number of the cantilever components 7 is at least two groups, at least two The groups of the cantilever assemblies 7 are arranged sequentially along the width direction of the seat, the number of the padlock assemblies 5 is one group, and one group of the padlock assemblies 5 is arranged opposite to one of the groups of the cantilever assemblies 7; further, the The seat cushion is provided with a support frame 23.
  • the second force arm 72 When the backrest rotates away from the seat cushion to a horizontal state, the second force arm 72 contacts the support frame 23 to receive force; when the backrest rotates away from the seat cushion to a horizontal state, the second force arm 72 contacts the support frame 23 to receive force.
  • the second force arms 72 of a set of the cantilever assemblies 7 arranged opposite to the padlock assembly 5 are in contact with the unlocking rod 54 to receive force, and no support frame 23 is provided there.
  • the seat cushion is provided with n-shaped stoppers 24 on both sides in the width direction.
  • the n-shaped limiter 24 is in contact with the inner wall of the bottom frame 1 to effectively limit the seat cushion laterally and prevent the seat cushion from shaking left and right; in order to effectively reduce the noise, in this embodiment, as shown in Figures 5, 10 and
  • an anti-collision pad 25 is provided between the seat cushion and the bottom frame 1
  • an anti-collision pad 25 is also provided between the second connecting seat 42 and the bottom frame 1 .
  • the vehicle is a RV
  • the multifunctional vehicle seat is arranged in the compartment of the RV.
  • the vehicle's multifunctional seat works as follows:
  • the installation process of the seat cushion first hang the first hook 43 on the second hook 44. At this time, the seat cushion can rotate relative to the bottom frame 1 through the hinge assembly 4, and then place the seat cushion downward. The seat cushion drives the lock hook 53 to press down. Until the lock 51 enters the hook portion 531 along the guide surface 532, at this time the padlock assembly 5 is locked with the lock 51, and the seat cushion tilts downward toward the backrest;
  • a bed state As shown in Figure 6, Figure 7 and Figure 9, the seat cushion has been installed on the bottom frame 1.
  • the backrest rotates away from the seat cushion to a horizontal state, and at the same time, the backrest drives the first force arm. 71 rotates until the second force arm 72 is driven by the force arm force surface 711 to move the unlocking lever 54, and the unlocking lever 54 drives the lock hook 53 to make the hook portion 531 separate from the lock 51 and unlock.
  • the second force The arm 72 is in contact with the unlocking lever 54 and receives force, and the other second force arms 72 are in contact with the corresponding support frame 23 and receive force, so that the cantilever assembly 7 supports the seat cushion, and at this time, the height of the end of the seat cushion and the backrest that are close to each other is the same, and the backrest and the seat cushion Together they can be used as a bed;
  • Another bed state first pull the unlocking strap 56 outward to move the unlocking lever 54 until the unlocking lever 54 drives the lock hook 53 to release the bed.
  • the hook part 531 is released from the lock 51 and unlocked, or the backrest is rotated away from the seat cushion to a horizontal state by adjusting the angle adjuster 6.
  • the backrest drives the first force arm 71 to rotate until the second force arm 71 is driven by the force bearing surface 711.
  • the force arm 72 moves the unlocking lever 54, and the unlocking lever 54 drives the lock hook 53 to disengage the hook portion 531 from the lock 51 to unlock; then the first hook 43 is detached from the second hook 44, and then it can be removed from the bottom frame 1 seat cushion, and then adjust the angle adjuster 6 to rotate the backrest close to the bottom frame 1 to a horizontal state.
  • the bottom frame 1 supports the backrest. At this time, the backrest can be used as another bed state, or can be combined with the bed on the RV to form a bed. Use as a shared bed;

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

一种车辆多功能座椅，包括底框（1）、坐垫和靠背，坐垫远离靠背的一端通过铰接组件（4）与底框转动连接，坐垫靠近靠背的一端设置有挂锁组件（5），底框上设置有锁扣（51），当挂锁组件与锁扣锁合时，坐垫向靠背向下倾斜；靠背通过调角器（6）与底框转动连接，靠背上设置有悬臂组件（7），当靠背远离坐垫旋转至水平状态时，悬臂组件触发挂锁组件使其脱离锁扣解锁，且悬臂组件用于支撑坐垫，此时坐垫和靠背相互靠近的一端高度一致。该车辆多功能座椅的座椅功能、躺椅功能和床功能之间的转换操作便捷，能充分利用房车内有限的空间，以满足不同的生活需要，且具有良好的舒适性和安全性。还公开了具有该车辆多功能座椅的车辆。

Description

车辆多功能座椅以及使用该座椅的车辆 技术领域
本发明属于车辆技术领域，尤其涉及一种车辆多功能座椅以及使用该座椅的车辆。
背景技术
随着“汽居”化生活的不断推广，集“衣、食、住、行”于一身的房车逐渐被普及化，实现“生活中旅行，旅行中生活”的时尚享受。座椅作为房车的重要配置，用户对座椅的舒适性和安全性要求也逐渐提高，要求座椅既具有座椅功能、又具有躺椅功能、还得具有床功能等多功能，充分利用房车内有限的空间，以满足不同的生活需要，且具有良好的舒适性和安全性。
专利2019113122527中公开了一种汽车前排座椅，具体的靠背可向后翻转放平使座椅具有床功能，但其具有明显的缺陷，即，当靠背放平后，坐垫仍保持从前至后向下倾斜的状态，坐垫与靠背相互靠近的一端存在明显的高度差，大幅降低用户的使用舒适度。专利202111227621X中公开了一种房车座椅结构，具体的靠背可翻转到水平状态，此时靠背的前表面支承于坐垫的上表面，靠背作为床使用，上述两个现有座椅均具有如下缺陷，座椅占用空间大，座椅占用的空间严重浪费，在可使用空间十分有限的情况下，影响房车整体的舒适性和美观性。
发明内容
为解决现有技术存在的房车座椅的使用舒适性较低的问题，本发明提供一种车辆多功能座椅以及使用该座椅的车辆。
为解决上述技术问题，本发明所采用的技术方案如下，一种车辆多功能座椅，包括底框、坐垫和靠背，所述坐垫远离靠背的一端通过铰接组件与底框转动连接，所述坐垫靠近靠背的一端设置有挂锁组件，所述底框上设置有锁扣，当所述挂锁组件与锁扣锁合时，所述坐垫向靠背向下倾斜；
所述靠背通过调角器与底框转动连接，所述靠背上设置有悬臂组件，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件触发挂锁组件使其脱离锁扣解锁，且所述悬臂组件用于支撑坐垫，此时所述坐垫和靠背相互靠近的一端高度一致。
作为优选，所述铰接组件与底框可拆卸连接，当所述坐垫通过所述铰接组件从底框上拆下时，所述靠背可靠近底框旋转至水平状态，此时底框用于支撑靠背。靠背远离坐垫旋转至水平状态和坐垫一起可作为一种床状态使用，靠背靠近底框旋转至水平状态可作为另一 种床状态使用，此时也可与房车上的床拼合形成一个拼床，大幅增加床的使用面积，实现该多功能座椅的多变状态，且靠背靠近底框旋转至水平状态作为床状态使用，可大幅减少空间占用，提高房车内有限空间的利用率。
作为优选，所述坐垫为单人、双人或三人坐垫；所述坐垫包括坐垫骨架和设置在坐垫骨架上的坐垫泡棉，所述靠背包括靠背骨架和设置在靠背骨架上的靠背泡棉，所述铰接组件和挂锁组件均设置在坐垫骨架上，所述调角器和悬臂组件均设置在靠背骨架上；所述靠背上设置有头枕。提高该多功能座椅的使用舒适度，双人或三人坐垫对应的双人或三人靠背靠近底框旋转至水平状态作为床状态使用时，确保床的使用面积。
作为优选，所述铰接组件包括依次连接的第一连接座、第二连接座和第一挂钩，所述第一连接座和第二连接座转动连接，所述底框上设置有与第一挂钩匹配的第二挂钩；所述铰接组件的数量为至少两组，至少两组所述铰接组件沿座椅的宽度方向依次设置。铰接组件的结构简单可靠，便于安装，成本较低。
作为优选，所述坐垫和底框之间设置有防撞垫块，所述第二连接座和底框之间也设置有防撞垫块。有效避免坐垫和底框之间产生异响，且有效保护坐垫和底框。
作为优选，所述底框的四周封闭形成储物空间，所述坐垫作为储物空间可开关的门。打开坐垫即可使用储物空间，操作便捷，且进一步提高房车内有限空间的利用率。
作为优选，所述挂锁组件包括基座、锁钩和解锁杆，所述基座设置在坐垫上，所述锁钩的顶端与基座转动连接，所述锁钩和基座之间设置有弹簧，所述锁钩的底端具有向上折弯的弯钩部，所述弯钩部上具有导向面，当所述锁钩下压时，直至所述锁扣沿着导向面进入弯钩部，此时所述挂锁组件与锁扣锁合；所述解锁杆设置在锁钩上，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件拨动解锁杆，直至所述解锁杆带动锁钩使弯钩部脱离锁扣解锁。挂锁组件的结构简单可靠，设计巧妙，锁合和解锁操作便捷，功能稳定，安全性能高。
进一步地，解锁杆上设置有解锁拉带，所述解锁拉带外露于坐垫。向外拉解锁拉带，即可拨动解锁杆，直至解锁杆带动锁钩使弯钩部脱离锁扣解锁，为挂锁组件提供另一种便捷的解锁方式。
作为优选，所述悬臂组件包括第一力臂和第二力臂，所述第一力臂的一端与靠背固定连接，所述第一力臂的另一端与第二力臂转动连接，所述第一力臂和第二力臂之间设置有扭簧，所述第二力臂在扭簧的作用下抵靠在底框上；所述第一力臂靠近第二力臂的一端具有力臂受力面，当所述靠背远离坐垫旋转至水平状态时，在所述力臂受力面的驱动下第二力臂触发解锁杆使挂锁组件脱离锁扣解锁。悬臂组件的结构设计巧妙，便于触发解锁杆使挂锁组 件脱离锁扣解锁，且悬臂组件受力稳定可靠。
进一步地，所述悬臂组件的数量为至少两组，至少两组所述悬臂组件沿座椅的宽度方向依次设置，所述挂锁组件的数量为一组，一组所述挂锁组件与其中一组所述悬臂组件相对设置。保证悬臂组件稳定可靠的承受来自坐垫的重量。
进一步地，所述坐垫上设置有支撑架，当所述靠背远离坐垫旋转至水平状态时，所述第二力臂与支撑架接触受力；当所述靠背远离坐垫旋转至水平状态时，与所述挂锁组件相对设置的一组所述悬臂组件的第二力臂与解锁杆接触受力，且该处不设置支撑架。确保悬臂组件稳定可靠的支撑坐垫。
进一步地，所述坐垫在其宽度方向的两侧均设置有n形限位件，所述n形限位件与底框的内侧壁接触。n形限位件有效的侧向限位坐垫，防止坐垫左右晃动。
一种使用任一种上述的车辆多功能座椅的车辆，该车辆为房车，所述的车辆多功能座椅设置在房车的车厢内。
有益效果：
1、本发明的车辆多功能座椅，坐垫远离靠背的一端通过铰接组件与底框转动连接，坐垫靠近靠背的一端通过挂锁组件与底框上的锁扣锁合或解锁，该座椅处于正常座椅状态时，挂锁组件与底框上的锁扣锁合牢靠，坐垫向靠背向下倾斜，靠背处于直立状态，通过调角器可调节靠背的倾斜角度，以符合不同的坐姿，亦可实现躺椅状态；坐垫安装至底框上，再通过调节调角器使靠背远离坐垫旋转至水平状态，靠背带动悬臂组件触发挂锁组件使其脱离锁扣解锁，此时悬臂组件支撑住坐垫，坐垫和靠背相互靠近的一端高度一致，靠背和坐垫一起即可作为一种床状态使用；该车辆多功能座椅的结构简单可靠，设计巧妙，座椅功能、躺椅功能和床功能之间的转换操作便捷，充分利用房车内有限的空间，以满足不同的生活需要，且具有良好的舒适性和安全性；
2、本发明的车辆多功能座椅，解锁挂锁组件后从底框上卸下坐垫，再通过调节调角器使靠背靠近底框旋转至水平状态，底框支撑住靠背，此时靠背即可作为另一种床状态使用，也可与房车上的床拼合形成一个拼床使用，使得该车辆多功能座椅的功能更多，且更充分利用房车内有限的空间，以满足不同的生活需要，且具有良好的舒适性。
3、本发明的车辆多功能座椅，底框设置的储物空间，大幅提高房车内有限空间的利用率。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的 附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它附图。
图1是本发明车辆多功能座椅的正常座椅状态时的立体结构示意图；
图2是图1中卸下坐垫泡棉和靠背泡棉时的立体结构示意图；
图3是图2中A的局部放大示意图；
图4是图1中卸下坐垫泡棉和靠背泡棉时的另一角度立体结构示意图；
图5是图4中B的局部放大示意图；
图6是本发明车辆多功能座椅的一种床状态时的立体结构示意图；
图7是图6中卸下坐垫泡棉和靠背泡棉时的立体结构示意图；
图8是图7中C的局部放大示意图；
图9是图6中卸下坐垫泡棉和靠背泡棉时的另一角度立体结构示意图；
图10是图9中D的局部放大示意图；
图11是本发明车辆多功能座椅的打开坐垫时的主视示意图；
图12是图11中卸下坐垫泡棉和靠背泡棉时的立体结构示意图；
图13是图12中E的局部放大示意图；
图中：1、底框，11、储物空间，21、坐垫骨架，22、坐垫泡棉，23、支撑架，24、n形限位
件，25、防撞垫块，31、靠背骨架，32、靠背泡棉，4、铰接组件，41、第一连接座，42、第二连接座，43、第一挂钩，44、第二挂钩，5、挂锁组件，51、锁扣，52、基座，53、锁钩，531、弯钩部，532、导向面，54、解锁杆，55、弹簧，56、解锁拉带，6、调角器，7、悬臂组件，71、第一力臂，711、力臂受力面，72、第二力臂，73、扭簧，8、头枕。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
如图1～13所示，一种车辆多功能座椅，包括底框1、坐垫和靠背，所述坐垫远离靠背的一端通过铰接组件4与底框1转动连接，所述坐垫靠近靠背的一端设置有挂锁组件5，所述底框1上设置有锁扣51，当所述挂锁组件5与锁扣51锁合时，所述坐垫向靠背向下倾斜，以符合车辆座椅的法规要求；所述靠背通过调角器6与底框1转动连接，所述靠背上设 置有悬臂组件7，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件7触发挂锁组件5使其脱离锁扣51解锁，且所述悬臂组件7用于支撑坐垫，此时所述坐垫和靠背相互靠近的一端高度一致，此时靠背和坐垫一起可作为一种床状态使用。
所述坐垫可为单人、双人或三人坐垫，为了提高该多功能座椅的使用舒适度，同时确保提高房车的空间利用率，本实施例的坐垫为双人坐垫，如图1～10所示，对应的靠背为双人靠背，所述坐垫包括坐垫骨架21和设置在坐垫骨架21上的坐垫泡棉22，所述靠背包括靠背骨架31和设置在靠背骨架31上的靠背泡棉32，所述铰接组件4和挂锁组件5均设置在坐垫骨架21上，所述调角器6和悬臂组件7均设置在靠背骨架31上；所述靠背上设置有头枕8。
为了最大程度提高房车的空间利用率，在本实施例中，如图2、图4、图7、图9和图12所示，所述铰接组件4与底框1可拆卸连接，当所述坐垫通过所述铰接组件4从底框1上拆下时，所述靠背可靠近底框1旋转至水平状态，此时底框1用于支撑靠背，此时靠背可作为另一种床状态使用，也可与房车上的床拼合形成一个拼床；为了便于安装和操作铰接组件4，以及确保其结构强度，在本实施例中，如图5和图13所示，具体地，所述铰接组件4包括依次连接的第一连接座41、第二连接座42和第一挂钩43，所述第一连接座41和第二连接座42转动连接，所述底框1上设置有与第一挂钩43匹配的第二挂钩44；所述铰接组件4的数量为至少两组，至少两组所述铰接组件4沿座椅的宽度方向依次设置；如图11和图12所示，所述底框1的四周封闭形成储物空间11，所述坐垫作为储物空间11可开关的门。
为了便于安装和操作挂锁组件5，以及确保其结构强度，在本实施例中，如图3、图5、图8和图10所示，所述挂锁组件5包括基座52、锁钩53和解锁杆54，所述基座52设置在坐垫上，所述锁钩53的顶端与基座52转动连接，所述锁钩53和基座52之间设置有弹簧55，所述锁钩53的底端具有向上折弯的弯钩部531，所述弯钩部531上具有导向面532，当所述锁钩53下压时，直至所述锁扣51沿着导向面532进入弯钩部531，此时所述挂锁组件5与锁扣51锁合；所述解锁杆54设置在锁钩53上，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件7拨动解锁杆54，直至所述解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁；进一步地，解锁杆54上设置有解锁拉带56，所述解锁拉带56外露于坐垫，向外拉解锁拉带56，即可拨动解锁杆54，直至解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁，为挂锁组件5提供另一种便捷的解锁方式。
为了便于安装和操作悬臂组件7，以及确保其结构强度，在本实施例中，如图3、图8和图10所示，所述悬臂组件7包括第一力臂71和第二力臂72，所述第一力臂71的一端 与靠背固定连接，所述第一力臂71的另一端与第二力臂72转动连接，所述第一力臂71和第二力臂72之间设置有扭簧73，所述第二力臂72在扭簧73的作用下抵靠在底框1上；所述第一力臂71靠近第二力臂72的一端具有力臂受力面711，当所述靠背远离坐垫旋转至水平状态时，在所述力臂受力面711的驱动下第二力臂72触发解锁杆54使挂锁组件5脱离锁扣51解锁；进一步地，所述悬臂组件7的数量为至少两组，至少两组所述悬臂组件7沿座椅的宽度方向依次设置，所述挂锁组件5的数量为一组，一组所述挂锁组件5与其中一组所述悬臂组件7相对设置；进一步地，所述坐垫上设置有支撑架23，当所述靠背远离坐垫旋转至水平状态时，所述第二力臂72与支撑架23接触受力；当所述靠背远离坐垫旋转至水平状态时，与所述挂锁组件5相对设置的一组所述悬臂组件7的第二力臂72与解锁杆54接触受力，且该处不设置支撑架23。
为了确保坐垫的稳定性，在本实施例中，如图2、图4、图7、图9和图12所示，所述坐垫在其宽度方向的两侧均设置有n形限位件24，所述n形限位件24与底框1的内侧壁接触，以有效的侧向限位坐垫，防止坐垫左右晃动；为了有效降低噪音，在本实施例中，如图5、图10和图13所示，所述坐垫和底框1之间设置有防撞垫块25，所述第二连接座42和底框1之间也设置有防撞垫块25。
一种使用上述的车辆多功能座椅的车辆，本实施例的该车辆为房车，所述的车辆多功能座椅设置在房车的车厢内。
该车辆多功能座椅的工作原理如下：
1、坐垫的安装过程：首先将第一挂钩43挂在第二挂钩44上，此时坐垫可通过铰接组件4相对于底框1旋转，再向下放置坐垫，坐垫带动锁钩53下压，直至锁扣51沿着导向面532进入弯钩部531，此时挂锁组件5与锁扣51锁合，且坐垫向靠背向下倾斜；
2、正常座椅状态：如图1、图2和图4所示，坐垫已安装至底框1上，靠背处于直立状态，通过调角器6可调节靠背的倾斜角度，以符合不同的坐姿；
3、一种床状态：如图6、图7和图9所示，坐垫已安装至底框1上，通过调节调角器6使靠背远离坐垫旋转至水平状态，同时靠背带动第一力臂71旋转，直至在力臂受力面711的驱动下使第二力臂72拨动解锁杆54，解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁，此时该第二力臂72与解锁杆54接触受力，其它第二力臂72与对应的支撑架23接触受力，使得悬臂组件7支撑住坐垫，且此时坐垫和靠背相互靠近的一端高度一致，靠背和坐垫一起即可作为一种床状态使用；
4、另一种床状态：先向外拉动解锁拉带56以拨动解锁杆54，直至解锁杆54带动锁钩53使 弯钩部531脱离锁扣51解锁，或者通过调节调角器6使靠背远离坐垫旋转至水平状态，同时靠背带动第一力臂71旋转，直至在力臂受力面711的驱动下使第二力臂72拨动解锁杆54，解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁；再使第一挂钩43脱离第二挂钩44，此时便可从底框1上卸下坐垫，再通过调节调角器6使靠背靠近底框1旋转至水平状态，底框1支撑住靠背，此时靠背即可作为另一种床状态使用，也可与房车上的床拼合形成一个拼床使用；
5、储物状态：如图11和图12所示，先向外拉动解锁拉带56以拨动解锁杆54，直至解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁，或者通过调节调角器6使靠背远离坐垫旋转至水平状态，同时靠背带动第一力臂71旋转，直至在力臂受力面711的驱动下使第二力臂72拨动解锁杆54，解锁杆54带动锁钩53使弯钩部531脱离锁扣51解锁，此时坐垫可通过铰接组件4相对于底框1旋转以开合储物空间11，或者再使第一挂钩43脱离第二挂钩44，将坐垫从底框1上卸下，使得储物空间11可以容纳较多和/或较大的物品。
以上，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (13)

  1. 一种车辆多功能座椅，其特征在于：包括底框(1)、坐垫和靠背，所述坐垫远离靠背的一端通过铰接组件(4)与底框(1)转动连接，所述坐垫靠近靠背的一端设置有挂锁组件(5)，所述底框(1)上设置有锁扣(51)，当所述挂锁组件(5)与锁扣(51)锁合时，所述坐垫向靠背向下倾斜；
    所述靠背通过调角器(6)与底框(1)转动连接，所述靠背上设置有悬臂组件(7)，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件(7)触发挂锁组件(5)使其脱离锁扣(51)解锁，且所述悬臂组件(7)用于支撑坐垫，此时所述坐垫和靠背相互靠近的一端高度一致。
  2. 根据权利要求1所述的车辆多功能座椅，其特征在于：所述铰接组件(4)与底框(1)可拆卸连接，当所述坐垫通过所述铰接组件(4)从底框(1)上拆下时，所述靠背可靠近底框(1)旋转至水平状态，此时底框(1)用于支撑靠背。
  3. 根据权利要求2所述的车辆多功能座椅，其特征在于：所述坐垫为单人、双人或三人坐垫；所述坐垫包括坐垫骨架(21)和设置在坐垫骨架(21)上的坐垫泡棉(22)，所述靠背包括靠背骨架(31)和设置在靠背骨架(31)上的靠背泡棉(32)，所述铰接组件(4)和挂锁组件(5)均设置在坐垫骨架(21)上，所述调角器(6)和悬臂组件(7)均设置在靠背骨架(31)上；所述靠背上设置有头枕(8)。
  4. 根据权利要求2所述的车辆多功能座椅，其特征在于：所述铰接组件(4)包括依次连接的第一连接座(41)、第二连接座(42) 和第一挂钩(43)，所述第一连接座(41)和第二连接座(42)转动连接，所述底框(1)上设置有与第一挂钩(43)匹配的第二挂钩(44)；所述铰接组件(4)的数量为至少两组，至少两组所述铰接组件(4)沿座椅的宽度方向依次设置。
  5. 根据权利要求4所述的车辆多功能座椅，其特征在于：所述坐垫和底框(1)之间设置有防撞垫块(25)，所述第二连接座(42)和底框(1)之间也设置有防撞垫块(25)。
  6. 根据权利要求2所述的车辆多功能座椅，其特征在于：所述底框(1)的四周封闭形成储物空间(11)，所述坐垫作为储物空间(11)可开关的门。
  7. 根据权利要求1～6任一项所述的车辆多功能座椅，其特征在于：所述挂锁组件(5)包括基座(52)、锁钩(53)和解锁杆(54)，所述基座(52)设置在坐垫上，所述锁钩(53)的顶端与基座(52)转动连接，所述锁钩(53)和基座(52)之间设置有弹簧(55)，所述锁钩(53)的底端具有向上折弯的弯钩部(531)，所述弯钩部(531)上具有导向面(532)，当所述锁钩(53)下压时，直至所述锁扣(51)沿着导向面(532)进入弯钩部(531)，此时所述挂锁组件(5)与锁扣(51)锁合；所述解锁杆(54)设置在锁钩(53)上，当所述靠背远离坐垫旋转至水平状态时，所述悬臂组件(7)拨动解锁杆(54)，直至所述解锁杆(54)带动锁钩(53)使弯钩部(531)脱离锁扣(51)解锁。
  8. 根据权利要求7所述的车辆多功能座椅，其特征在于：解锁 杆(54)上设置有解锁拉带(56)，所述解锁拉带(56)外露于坐垫。
  9. 根据权利要求7所述的车辆多功能座椅，其特征在于：所述悬臂组件(7)包括第一力臂(71)和第二力臂(72)，所述第一力臂(71)的一端与靠背固定连接，所述第一力臂(71)的另一端与第二力臂(72)转动连接，所述第一力臂(71)和第二力臂(72)之间设置有扭簧(73)，所述第二力臂(72)在扭簧(73)的作用下抵靠在底框(1)上；所述第一力臂(71)靠近第二力臂(72)的一端具有力臂受力面(711)，当所述靠背远离坐垫旋转至水平状态时，在所述力臂受力面(711)的驱动下第二力臂(72)触发解锁杆(54)使挂锁组件(5)脱离锁扣(51)解锁。
  10. 根据权利要求9所述的车辆多功能座椅，其特征在于：所述悬臂组件(7)的数量为至少两组，至少两组所述悬臂组件(7)沿座椅的宽度方向依次设置，所述挂锁组件(5)的数量为一组，一组所述挂锁组件(5)与其中一组所述悬臂组件(7)相对设置。
  11. 根据权利要求10所述的车辆多功能座椅，其特征在于：所述坐垫上设置有支撑架(23)，当所述靠背远离坐垫旋转至水平状态时，所述第二力臂(72)与支撑架(23)接触受力；当所述靠背远离坐垫旋转至水平状态时，与所述挂锁组件(5)相对设置的一组所述悬臂组件(7)的第二力臂(72)与解锁杆(54)接触受力，且该处不设置支撑架(23)。
  12. 根据权利要求1～6任一项所述的车辆多功能座椅，其特征在于：所述坐垫在其宽度方向的两侧均设置有n形限位件(24)，所述 n形限位件(24)与底框(1)的内侧壁接触。
  13. 一种使用权利要求1～12任一项所述的车辆多功能座椅的车辆，其特征在于：该车辆为房车，所述的车辆多功能座椅设置在房车的车厢内。
PCT/CN2023/074323 2022-08-08 2023-02-03 车辆多功能座椅以及使用该座椅的车辆 WO2024031940A1 (zh)

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