CN112937386A

CN112937386A - Vehicle with variable dual recliner front and rear seats and seat control method

Info

Publication number: CN112937386A
Application number: CN202110376589.5A
Authority: CN
Inventors: 陈瑞仙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-06-11

Abstract

The invention aims to provide an automobile with variable double-deck front and rear seats and a seat control method, so as to fully utilize the space in the automobile and improve the comfort of passengers. The automobile with the variable double-deck chair type front and rear seats comprises independent front-row seats and independent rear-row seats behind the front-row seats, wherein the front-row seats and the rear-row seats are respectively provided with a chair back angle adjusting mechanism; the front-row seat is movably arranged on the floor of the automobile through a first movable lifting mechanism, and a leg accommodating space for a rear-row passenger to stretch or pass through the leg is arranged below the front-row seat; the back row seats are movably arranged on the floor of the automobile through a second movable lifting mechanism. The front-row seat and the rear-row seat can form a deck chair form by adjusting the height and the front-rear position of the front-row seat and the rear-row seat, so that the comfort of passengers is improved.

Description

Vehicle with variable dual recliner front and rear seats and seat control method

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to an automobile with a special seat and a seat control method.

Background

Along with the continuous development of social economy, the quantity of owned family automobiles is gradually increased, the driving and traveling frequency of people is higher and higher, and the comfort requirement of people on automobiles is higher and higher. However, the space of the passengers in the front and rear rows of the conventional car (car, station wagon, SUV) seat is compact, the riding posture is limited, and the seat is very uncomfortable after being taken for a long time.

The car seats are the main comfort device part of the car interior, and most cars are designed as five-seaters, two front seats divided into a driver and a copilot, and three-seater seats in the rear row. Because of the limitation of the structure and the wheelbase of the car, the seats in the back row are compact, the backrest is fixedly arranged and cannot be adjusted or can only be finely adjusted, passengers sitting in the back row can only sit at a single angle and posture, and the seats are very uncomfortable after a long time of sitting. To the above-mentioned problem, many automobile manufacturers do not influence driving and control as the cost, lengthen car wheel base to make back row passenger's shank increase the activity space of more than ten centimeters, but even like this, back row seat back still can not carry out wide-angle modulation, also has not obvious improvement to whole individual's position of sitting. Although the front passenger seat can adjust the backrest and move in a relatively large range, when a passenger is in the rear row, the passenger does not adjust in a large range basically because the passenger feels comfortable in the rear row.

Disclosure of Invention

The invention aims to provide an automobile with variable double-deck front and rear seats and a seat control method, so as to fully utilize the space in the automobile and improve the comfort of passengers.

The automobile with the variable double-deck chair type front and rear seats comprises independent front-row seats and independent rear-row seats behind the front-row seats, wherein the front-row seats and the rear-row seats are respectively provided with a chair back angle adjusting mechanism; the front-row seat is movably arranged on the floor of the automobile through a first movable lifting mechanism, and a leg accommodating space for a rear-row passenger to stretch or pass through the leg is arranged below the front-row seat; the back row seats are movably arranged on the floor of the automobile through a second movable lifting mechanism. The front-row seat and the rear-row seat can form a deck chair form by adjusting the height and the front-rear position of the front-row seat and the rear-row seat, so that the comfort of passengers is improved.

When the automobile is a five-seat sedan, the front row seat can be a secondary driving seat, and when the automobile is a multi-seat automobile with wide space, such as a seven-seat SUV or a multi-seat MPV or a middle bus or a large bus, the front row seat is more selected and is not limited to the secondary driving seat.

Further, the height of the leg accommodating space changes with the height of the front seat, specifically, when the front seat is lowered by the first moving and lifting mechanism, the front seat can occupy the upper part of the leg accommodating space downward, at this time, the height of the leg accommodating space is lowered, only a small part of the legs of the passengers in the back row can extend into the leg accommodating space, even the legs cannot extend into the leg accommodating space at all, so that the height of the front seat can be lowered as much as possible, and the head space of the passengers on the front seat is more abundant; on the contrary, when the front-row seat is lifted by the first movable lifting mechanism, the front-row seat moves upwards to vacate the occupied leg accommodating space, the height of the leg accommodating space is increased, and the legs of the back-row passenger can stretch into or pass through the leg accommodating space, so that the passenger on the back-row seat approaches to a lying state, and the comfort level is improved.

The seat control method of the automobile comprises the following steps: when the front row seat and the rear row seat both carry passengers, the control mode of the front and rear seats is a double mode, when the front and rear seats are changed into double deck chairs, the front row seat is lifted upwards by using the first moving lifting mechanism so as to increase the height of the leg accommodating space, and the chair back of the front row seat is tilted backwards by using the chair back angle adjusting mechanism of the front row seat; meanwhile, the rear-row seats are lowered downwards by the second moving and lifting mechanism and move forwards, the legs of the passengers in the rear row stretch into or pass through the leg accommodating space at the lower part of the seats in the front row, and the seat backs of the seats in the rear row are inclined backwards by the seat back angle adjusting mechanism of the seats in the rear row; when the rear seat carries passengers and the front seat does not have passengers, the control mode of the front seat and the rear seat is a rear single mode, and when the rear seat is changed into a deck chair, the front seat is lifted upwards by utilizing a first moving lifting mechanism so as to increase the height of a leg accommodating space and move the front seat forwards; then, the rear-row seats are lowered downwards by utilizing a second moving lifting mechanism and are moved forwards, the legs of the passengers in the rear row stretch into or pass through the leg accommodating space at the lower part of the seats in the front row, and the seat backs of the seats in the rear row are inclined backwards by utilizing the seat back angle adjusting mechanisms of the seats in the rear row; when a passenger is carried by the front seat and no passenger is arranged on the back seat, the control mode of the front seat and the back seat is a front single mode, and when the front seat is changed into a deck chair, the chair back of the front seat is inclined backwards by using the chair back angle adjusting mechanism of the front seat; and the front seat is moved backward by the first moving elevating mechanism. In addition, before the front and rear seats are changed to the reclining chair, the appearance and form of the front and rear seats are substantially the same as those of the conventional seats in the automobile, that is, the front seat is lowered by the first elevating bracket to be level with or slightly higher than the driving seat, and the rear seat is raised by the second elevating bracket to be level with the fixed seats beside the driving seat.

Further, in order to improve the comfort of passengers, the front row seats and the rear row seats are provided with headrest height adjusting mechanisms; when the corresponding chair back is inclined backwards by using the chair back angle adjusting mechanism, the corresponding headrest height is reduced by using the headrest height adjusting mechanism.

Furthermore, the front row seats are mounted on the first movable lifting mechanism through a bracket, a concave portion is formed in the middle of the bracket, seat cushions of the front row seats are fixed in the concave portion, and two sides of the upper portion of the bracket are fixedly connected with the first movable lifting mechanism. The bracket is used for supporting the seat cushion of the front seat, so that the seat cushion of the front seat can downwards enter the leg accommodating space when the first movable lifting mechanism is lowered, the leg accommodating space is occupied, the height of the front seat is reduced as much as possible, and when the front seat is a thick seat cushion, the height of the front seat is not too high, so that the narrow head space of a front passenger is caused.

Further, the glove box in front seat the place ahead is equipped with the sliding door of slidingtype from top to bottom, becomes to be close the flat state of lying behind the deck chair like this at front seat, and the passenger on the front seat can stretch into the glove box with the foot (of course, can strengthen traditional glove box's size as required), can not receive the hindrance of sliding door, improves the travelling comfort, also can place article at ordinary times, when front seat is folded forward, can also shift forward and stretch into the glove box to the headrest, makes the space in back seat the place ahead bigger. It is also possible to place a reinforcement beam in the lower portion of the glove box (in a lower portion of the sole of the foot in front of the foot), so that the front seat is safer than the conventional seat when the front seat is a reclining chair because the front seat is subjected to a frontal collision, in which the head and the chest are all collided forward, and such a design is different in that the sole of the foot is subjected to a forward pressure as if the person jumps from a high place, and the foot lands on the ground and the head or body lands on the ground.

Furthermore, a movable shielding object, such as a cloth curtain or a screen, is arranged between the rear seat and other adjacent rear seats to isolate the rear seat from other adjacent rear seats, for example, if the adjacent seat is provided with a movable armrest platform, the armrest platform should be arranged in a box body with a higher height, so that embarrassment of passengers on the rear seats due to the fact that the height of the rear seat is lower when the rear seat is changed into a reclining chair and the height of the armrest platform is formed by the height of the armrest platform and other adjacent rear seats is avoided.

Specifically, the first movable lifting mechanism is composed of a first lifting support, a first guide rail and a first horizontal driving mechanism, and the leg accommodating space is located at the lower part of the first lifting support; the first guide rail is fixed on the floor of the automobile, the first lifting support is erected on the first guide rail, the front row seat is fixed on the first lifting support, and the first horizontal driving mechanism is used for driving the first lifting support to move along the first guide rail; or the first movable lifting mechanism consists of a fixed frame, a lifting frame, a first guide rail and a first horizontal driving mechanism, the fixed frame is fixed on the floor of the automobile, and the leg accommodating space is positioned at the lower part of the fixed frame; the first guide rail is fixed in the fixed bolster top, and the crane erects on the first guide rail, and the front seat is fixed in the top of crane, first horizontal drive mechanism is used for driving the crane to remove along first guide rail. The second movable lifting mechanism is composed of a second lifting support, a second guide rail and a second horizontal driving mechanism, the second guide rail is fixed on the automobile floor, the second lifting support is erected on the second guide rail, the rear-row seat is fixed on the second lifting support, and the second horizontal driving mechanism is used for driving the second lifting support to move along the second guide rail. The first lifting support, the first horizontal driving mechanism, the lifting frame, the second lifting support, the second horizontal driving mechanism and the like are all the prior art, and the adjustment of the height and the front and rear positions of the front-row seat and the rear-row seat can be realized, so that the detailed description is omitted.

Furthermore, the fixing frame is an arched frame or a square frame, the opening direction of the arched frame is backward, so that the legs of passengers in the back row can conveniently extend into the leg accommodating spaces, and the fixing frame has certain elasticity and can improve the comfort level of the passengers in the front row; and the square frame has the advantage of stable structure.

Further, for the convenience of control, front seat, back row seat all are equipped with and are used for detecting the top and bear the weight of the sensor of passenger, sensor, first removal elevating system, second removal elevating system, back of the chair angle adjustment mechanism link to each other with the controller respectively, the controller is according to the condition of bearing of front seat, back row seat, controls the linkage of the back of the chair angle adjustment mechanism on first removal elevating system, second removal elevating system and front seat and the back row seat.

Furthermore, two controllers are respectively arranged on the front row seat and the rear row seat or respectively arranged on the inner plates of the vehicle doors beside the front row seat and the rear row seat; or the controller is a remote controller or an intelligent voice control device, so that passengers on the back row seat and the front row seat can conveniently adjust the seat postures.

The automobile of the invention can change the back-row seat and the front-row seat into the deck chair with adjustable chair back angle simultaneously through the linkage of the front seat and the back seat, thereby fully utilizing the space in the automobile and greatly improving the comfort of passengers. For safety reasons it is suggested to activate the double mode lying state only at low speed (e.g. urban driving, traffic jam) or at rest, and in high speed driving the double mode half-tilt state or the rear single mode or the front single mode may be activated.

Drawings

Fig. 1 is a front-rear seat arrangement diagram (double-recliner state) of embodiment 1.

FIGS. 2 to 6 are schematic views of several structures of the front seat in embodiment 1.

Fig. 7 is a state diagram of the front seat in the rear single mode of embodiment 1.

The figures are numbered: 1. a front row seat; 2. a rear row seat; 3. a leg accommodating space; 4. a glove box; 5. sliding the door; 6. a headrest; 7. a first lifting support; 71. an arcuate frame; 72. a lifting structure; 73. a fixed mount; 74. a lifting frame; 75. a first lifting frame; 76. a second lifting frame; 8. a first guide rail; 9. a second lifting support; 10. a second guide rail; 11. a leg rest; 12. a controller; 13. a sensor; 14. a bracket; 15. a cushion of a front seat.

Detailed Description

The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.

Example 1:

the embodiment provides an automobile with variable double-deck front and rear seats and a seat control method, so that the space in the automobile is fully utilized, and the comfort of passengers is improved.

The automobile with the variable double-deck front and rear seats of the embodiment comprises a front row seat 1 and a single independent rear row seat 2 positioned behind the front row seat 1, wherein both the front row seat 1 and the rear row seat 2 are provided with a seat back angle adjusting mechanism and a headrest height adjusting mechanism; the front-row seat 1 is movably arranged on the floor of the automobile through a first movable lifting mechanism, and a leg accommodating space 3 for a rear-row passenger to stretch legs into or pass through is arranged below the front-row seat 1; the back row seat 2 is movably arranged on the floor of the automobile through a second movable lifting mechanism.

Front seat 1, back row seat 2 all are equipped with and are used for detecting the top and whether bear the weight of sensor 13 (can adopt pressure sensor 13) of passenger, sensor 13, first removal elevating system, second remove elevating system, back of the chair angle adjustment mechanism and link to each other with controller 12 respectively, controller 12 controls the linkage of the back of the chair angle adjustment mechanism on first removal elevating system, the second removal elevating system and front seat 1 and the back of the chair 2 according to front seat 1, back row seat 2's the condition of bearing.

The two controllers 12 are respectively mounted on the side parts of the backs of the front-row seats 1 and the back-row seats 2, or respectively mounted on the inner plates of the doors beside the front-row seats and the back-row seats 2; the controller 12 may also be a remote controller or an intelligent voice control device, so that passengers in the rear seat 2 and the front seat 1 can conveniently adjust the seat postures.

In this embodiment, the glove box 4 in front of the front seat 1 is designed to accommodate two feet and to be provided with the flexible sliding door 5 which can slide up and down, so that after the front seat 1 becomes a reclining chair, a passenger in the front seat 1 can insert the feet into the glove box 4 without being hindered by the sliding door 5, comfort is improved, articles can be placed at ordinary times, and when the front seat 1 is folded forward, the user can move forward to insert the headrest 6 into the glove box 4, so that the space in front of the rear seat 2 is larger (as shown in fig. 7).

In order to improve the comfort, the front-row seat 1 and the rear-row seat 2 are respectively provided with a leg support 11, and when the seat 2 rises and is at the same horizontal height as the fixed seat beside, the leg support 11 of the rear-row seat 2 can vertically cover the second movable lifting support, so that the chair is more attractive.

The first movable lifting mechanism can have the following structures: 1. as shown in fig. 2, the first movable lifting mechanism is composed of a first lifting bracket 7, a first guide rail 8 and a first horizontal driving mechanism, the leg accommodating space 3 is located at the lower part of the first lifting bracket 7, openings are formed in the front and the rear of the leg accommodating space 3, and the legs of the passengers in the rear row can extend into or even pass through the leg accommodating space 3; the bottom of first lifting support 7 is preceding two pillars and the rear has not the fore-and-aft open-ended bow-shaped frame 71 of pillar, has certain elasticity, is favorable to improving the travelling comfort, and upper portion is the elevation structure 72 that comprises a plurality of electric telescopic handle, and bow-shaped frame 71 is fixed in on the floor, and on first guide rail 8 was fixed in bow-shaped frame 71, elevation structure 72 activity was erect on first guide rail 8, first horizontal drive mechanism was used for driving elevation structure 72 and is removed along first guide rail 8.

As shown in fig. 3, the cushion 15 of the front seat is mounted on the lifting structure 72 by using a bracket 14, a concave portion is provided in the middle of the bracket 14, the cushion 15 of the front seat is fixed in the concave portion, and flanges are provided on both sides of the upper portion of the bracket 14 and fixedly connected with the lifting structure 72 by bolts or welding. The bracket 14 is used for supporting the cushion 15 of the front seat, and not only can the cushion 15 of the front seat enter the leg accommodating space 3 downward when the first movable lifting mechanism is lowered, thereby occupying the leg accommodating space and reducing the height of the front seat 1 as much as possible, but also can the cushion 15 with a thicker thickness adopted in the front seat 1, so that the height of the front seat is not too high, and the narrow head space of the front passenger is not limited.

2. As shown in fig. 4, the first movable lifting mechanism is composed of a fixed frame 73, a lifting frame 74, a first guide rail 8 and a first horizontal driving mechanism, the fixed frame 73 is fixed on the floor of the automobile, and the leg accommodating space 3 is located at the lower part of the fixed frame 73; the two first guide rails 8 are respectively fixed on the top of the fixed frame 73 and the floor of the automobile, the fixed frame 73 and the lifting frame 74 are respectively erected on the corresponding first guide rails 8, the front seat 1 is fixed above the lifting frame 74, and the first horizontal driving mechanism is used for driving the fixed frame 73 and the lifting frame 74 to move along the corresponding first guide rails 8. The fixing frame 73 in fig. 4 is a square frame, has the advantage of stable structure, and can also be an arch structure, the opening direction of the arch frame is backward, so that the legs of the passengers in the back row can conveniently extend into the leg accommodating space 3, and the fixing frame has certain elasticity, so that the comfort level of the passengers in the front row can be improved.

3. As shown in fig. 5, the first mobile lifting mechanism is composed of a first lifting frame 75, a second lifting frame 76, a first guide rail 8 and a first horizontal driving mechanism, the first lifting frame 75 is fixed on the floor of the automobile, and the leg accommodating space 3 is located at the lower part of the first lifting frame 75; the two first guide rails 8 are respectively fixed on the top of the first lifting frame 75 and the floor of the automobile, the first lifting frame 75 and the second lifting frame 76 are respectively erected on the corresponding first guide rails 8, the front row seat 1 is fixed above the second lifting frame 76, and the first horizontal driving mechanism is used for driving the first lifting frame 75 and the second lifting frame 76 to move along the corresponding first guide rails 8.

4. As shown in fig. 6, the first movable lifting mechanism is composed of an X-shaped first lifting support 7, a first guide rail 8 and a first horizontal driving mechanism, the leg accommodating space 3 is located at the lower portion of the first lifting support 7, the first guide rail 8 is fixed on the floor of the automobile, the first lifting support 7 is erected on the first guide rail 8, the front seat 1 is fixed on the first lifting support 7, and the first horizontal driving mechanism is used for driving the first lifting support 7 to move along the first guide rail 8.

As shown in fig. 1, the second movable lifting mechanism is composed of a second lifting support 9, a second guide rail 10 and a second horizontal driving mechanism, the second guide rail 10 is fixed on the floor of the automobile, the second lifting support 9 is erected on the second guide rail 10, the rear seat 2 is fixed on the second lifting support 9, and the second horizontal driving mechanism is used for driving the second lifting support 9 to move along the second guide rail 10. The structure of the second movable lifting mechanism is similar to that of the first movable lifting mechanism, and the description is omitted here.

Of course, the lifting frames are provided with vertical driving mechanisms to adjust the height of the corresponding seat, which is not described herein again. It is proposed to provide corresponding recesses on the floor or under the seat cushion to accommodate the corresponding drive mechanism without occupying the leg receiving space 3.

The seat control method of the automobile comprises the following steps: when the front seat 1 and the rear seat 2 both carry passengers, the control mode of the front seat and the rear seat is a double mode, when the front seat and the rear seat are changed into double deck chairs, the front seat 1 is lifted upwards by using the first moving lifting mechanism, so that the height of the leg accommodating space 3 is increased, and the chair back of the front seat 1 is tilted backwards by using the chair back angle adjusting mechanism of the front seat 1 to form a comfortable deck chair; meanwhile, the rear-row seat 2 is lowered downwards by the second moving and lifting mechanism, the rear-row seat 2 moves forwards, a rear-row passenger stretches legs into or passes through the leg accommodating space 3 at the lower part of the front-row seat 1, and the chair back of the rear-row seat 2 is tilted backwards by the chair back angle adjusting mechanism of the rear-row seat 2 to form a comfortable deck chair; in the double mode, the rear seat 2 utilizes the lower space behind the front seat 1, and the front seat 1 utilizes the upper space when the rear seat 2 descends, the lifting and moving of the front seat 1 and the rear seat 2 must be linked to mutually utilize the space to avoid collision, the passenger of the front seat 1 needs to limit the highest height when rising into the deck chair, the leg is parallel to or slightly lower than the bottom of the glass window of the vehicle door, and the sight of the driver outside the rearview mirror and the vehicle window is prevented from being influenced. When the rear row seat 2 is lowered to a reclining chair, the condition or scenery outside the vehicle window is not easy to see, and a liquid crystal screen can be arranged behind the backrest of the front row seat 1 and connected with a camera in the front or at the side to see at any time.

When the rear seat 2 carries passengers and the front seat 1 does not have passengers, the control mode of the front and rear seats is a rear single mode, when the rear seat 2 is changed into a deck chair, the front seat 1 is lifted upwards by using a first moving and lifting mechanism, so that the height of the leg accommodating space 3 is increased, the front seat 1 moves forwards, and the legs of the rear passengers stretch into or pass through the leg accommodating space 3 at the lower part of the front seat 1; then, the rear seat 2 is lowered downward by the second moving and elevating mechanism, and the rear seat 2 is moved forward, and the back of the rear seat 2 is tilted backward by the back angle adjusting mechanism of the rear seat 2. Because there is no passenger above the front row seat 1, the front row seat 1 can be adjusted higher, only need raise the seat cushion a little lower than the bottom of the glass window of the door, the back of the front row seat 1 does not need to adjust to the deck chair shape, stand upright a little tilt, so as to make the space of the back row passenger increase as much as possible, as long as it does not influence the driver's view outside the rearview mirror and the window. If the front view is needed for the rear passenger, the seat back of the front seat 1 may be folded forward and the front seat 1 may be moved forward, so that the headrest 6 of the front seat 1 is inserted into the glove box 4 (as shown in fig. 7).

When a passenger is carried by the front seat 1 and no passenger is arranged on the back seat 2, the control mode of the front and back seats is a front single mode, and when the front seat 1 is changed into a deck chair, the chair back of the front seat 1 is largely tilted backwards by utilizing the chair back angle adjusting mechanism of the front seat 1; and the front seat 1 is moved backward by the first moving elevating mechanism.

In order to improve the comfort of the passenger, when the corresponding seat back is tilted backward by the seat back angle adjustment mechanism, the corresponding headrest 6 is lowered by the headrest height adjustment mechanism.

When the front seat 1 is gradually changed into a half-inclined state angle from a seat mode, the leg support 11 can be lifted to obliquely support the leg, and the feet are hung below the outer part of the glove box 4; when the user needs to change to a more comfortable lying state close to the bed, the chair back is further inclined backwards, the leg supports 11 are lifted upwards again, and the feet extend into the glove box 4 to form a comfortable lying state close to the bed.

In the linkage process of the rear seat 2, when the seat mode is gradually changed into a half-inclined state angle, the legs of the rear passenger extend into the leg accommodating space 3; when the back-row passenger gradually changes to be more comfortable and close to lying, the legs of the back-row passenger further move forward to pass through the leg vacant spaces, and finally a comfortable and close-to-lying state is formed.

The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the invention is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An automobile with front and rear seats of a variable dual recliner type is characterized by comprising independent front seats and independent rear seats behind the front seats, wherein the front seats and the rear seats are respectively provided with a seat back angle adjusting mechanism; the front-row seat is movably arranged on the floor of the automobile through a first movable lifting mechanism, and a leg accommodating space for a rear-row passenger to stretch or pass through the leg is arranged below the front-row seat; the back row seats are movably arranged on the floor of the automobile through a second movable lifting mechanism.

2. The vehicle having variable double recliner front and rear seats of claim 1, wherein the height of the leg accommodating space is varied according to the height of the front row seat.

3. The vehicle having front and rear seats of variable dual recliner type as claimed in claim 1 or 2, wherein the front seat is mounted on the first moving elevating mechanism by means of a bracket, a recess is formed in a middle portion of the bracket, a cushion of the front seat is fixed in the recess, and both sides of an upper portion of the bracket are fixedly connected to the first moving elevating mechanism.

4. The vehicle having variable dual recliner front and rear seats of claim 1 or 2, wherein the glove box in front of the front seat is provided with a sliding door that slides up and down.

5. The vehicle with variable dual recliner front and rear seats of claim 1 or 2, wherein the first moving and lifting mechanism is composed of a first lifting bracket, a first guide rail and a first horizontal driving mechanism, and the leg accommodating space is located at the first lifting bracketLower part(ii) a The first guide rail is fixed on the floor of the automobile, the first lifting support is erected on the first guide rail, the front row seat is fixed on the first lifting support, and the first horizontal driving mechanism is used for driving the first lifting support to move along the first guide rail; or the first movable lifting mechanism consists of a fixed frame, a lifting frame, a first guide rail and a first horizontal driving mechanism, the fixed frame is fixed on the floor of the automobile, and the leg accommodating space is positioned on the fixed frameLower part(ii) a The first guide rail is fixed in the fixed bolster top, and the crane erects on the first guide rail, and the front seat is fixed in the top of crane, first horizontal drive mechanism is used for driving the crane to remove along first guide rail.

6. The vehicle having variable dual recliner front and rear seats of claim 5, wherein the fixed frame is an arcuate frame or a square frame.

7. The vehicle with variable dual recliner front and rear seats of claim 1 or 2, wherein the second moving and elevating mechanism is composed of a second elevating bracket, a second rail and a second horizontal driving mechanism, the second rail is fixed on the vehicle floor, the second elevating bracket is erected on the second rail, the rear seat is fixed on the second elevating bracket, and the second horizontal driving mechanism is used for driving the second elevating bracket to move along the second rail.

8. The vehicle with the variable dual recliner type front and rear seats as claimed in claim 1 or 2, wherein the front seat and the rear seat are respectively provided with a sensor for detecting whether a passenger is loaded thereon, the sensor, the first movable lifting mechanism, the second movable lifting mechanism and the backrest angle adjusting mechanism are respectively connected with the controller, and the controller controls the first movable lifting mechanism, the second movable lifting mechanism and the backrest angle adjusting mechanism on the front seat and the rear seat to be linked according to the loading conditions of the front seat and the rear seat.

9. The vehicle having front and rear seats of variable dual recliner type as claimed in claim 8, wherein there are two controllers installed on the front seat and the rear seat, respectively, or on the door inner panels beside the front seat and the rear seat, respectively; or the controller is a remote controller or an intelligent voice control device.

10. The seat control method of an automobile having front and rear seats of a variable dual recliner type as claimed in claim 1 or 2, wherein when both the front and rear seats carry passengers, the control mode of the front and rear seats is a double mode, and when the front and rear seats are changed into a dual recliner chair, the front seat is lifted up by the first moving elevating mechanism so that the height of the leg receiving space is increased, and the back of the front seat is tilted down backward by the back angle adjusting mechanism of the front seat; meanwhile, the rear-row seats are lowered downwards by the second moving and lifting mechanism and move forwards, the legs of the passengers in the rear row stretch into or pass through the leg accommodating space at the lower part of the seats in the front row, and the seat backs of the seats in the rear row are inclined backwards by the seat back angle adjusting mechanism of the seats in the rear row; when the rear seat carries passengers and the front seat does not have passengers, the control mode of the front seat and the rear seat is a rear single mode, and when the rear seat is changed into a deck chair, the front seat is lifted upwards by utilizing a first moving lifting mechanism so as to increase the height of a leg accommodating space and move the front seat forwards; then, the rear-row seats are lowered downwards by utilizing a second moving lifting mechanism and are moved forwards, the legs of the passengers in the rear row stretch into or pass through the leg accommodating space at the lower part of the seats in the front row, and the seat backs of the seats in the rear row are inclined backwards by utilizing the seat back angle adjusting mechanisms of the seats in the rear row; when a passenger is carried by the front seat and no passenger is arranged on the back seat, the control mode of the front seat and the back seat is a front single mode, and when the front seat is changed into a deck chair, the chair back of the front seat is inclined backwards by using the chair back angle adjusting mechanism of the front seat; and the front seat is moved backward by the first moving elevating mechanism.

11. The seat control method for an automobile having front and rear seats of a variable double recliner as claimed in claim 10, wherein the front and rear seats each have a headrest height adjusting mechanism; when the corresponding chair back is inclined backwards by using the chair back angle adjusting mechanism, the corresponding headrest height is reduced by using the headrest height adjusting mechanism.