Three-person seat cushion extension seat for automobile

Abstract

The utility model belongs to the technical field of automobile seats, and particularly relates to a three-person seat cushion extension seat for an automobile, which aims to solve the technical problem that the position extension of a leg supporting plate and a seat cushion cannot be realized, and comprises a four-section leg supporting plate and a four-section seat cushion, a quartered support is rotatably mounted on the first rotary connecting plate through a first angle adjuster, a middle end rotary frame is rotatably mounted on the mounting support, a middle armrest connecting frame is fixedly mounted on the middle end rotary frame, a middle armrest is mounted on the middle armrest connecting frame, and a cushion mounting plate drives a quartered cushion or a sextant cushion to move. The distance between the quartered seat cushion and the quartered backrest is changed or the distance between the sextant seat cushion and the sextant backrest is changed, and the maximum stroke is 50 mm; the extension of the use position of the six-part cushion or the four-part cushion is realized, and the six-part cushion or the four-part cushion can be independently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile seat, especially relates to a three -person seat pad extension seat for automobile. BACKGROUND

[0002] Patent application number CN202411193936.0 discloses a kind of based on muscle fatigue monitoring's automobile seat alleviating device and system, comprising: base, the upper surface of which is fixed with seat, for supporting seat;Seat, it is fixed on the upper surface of base;Monitoring component, it is arranged in the outer wall of base, for monitoring the waist muscle fatigue condition of user;Massage component, it is installed on seat, for massaging user;Oxygen filling component, it is in the back of seat, for discharging oxygen;The monitoring component includes fixed plate, the outer wall of fixed plate is fixed in the outer wall of base, the inside of fixed plate is fixed with pressure sensor The upper surface of pressure sensor is fixed with electric push rod, but the technical solution has the disadvantage that there is no way to realize the extension of leg support plate and seat cushion position. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a kind of three -person seat pad extension seat for automobile, to solve the technical problem that there is no way to realize the extension of leg support plate and seat cushion position.

[0004] To achieve the above object, the specific technical scheme of the utility model of a kind of three -person seat pad extension seat for automobile is as follows:

[0005] The utility model provides a three -seater cushion extension seat for car, including four quarter leg support plate, four quarter seat cushion, four quarter back, four quarter headrest, six quarter headrest, six quarter back, six quarter seat cushion, six quarter leg support plate, middle handrail, installation support, rotary connecting plate one, four quarter support, angle adjuster one, angle adjuster two, six quarter support, angle adjuster three, rotary connecting plate two, angle adjuster four, four quarter headrest connecting slide rod, six quarter headrest connecting slide rod, middle end rotary frame, middle handrail connecting frame, seat cushion and leg support plate extension assembly, lower back motor one, lower back motor two, angle adjuster motor one and angle adjuster motor two, rotary installation has rotary connecting plate one on installation support through angle adjuster two, rotary installation has four quarter support on rotary connecting plate one through angle adjuster one, rotary installation has middle end rotary frame on installation support, fixed installation has middle handrail connecting frame on middle end rotary frame, installation has middle handrail on middle handrail connecting frame, rotary installation has rotary connecting plate two on installation support through angle adjuster four, rotary installation has six quarter support on rotary connecting plate two through angle adjuster three, installation has four quarter back on four quarter support, installation has six quarter back on six quarter support, installation has seat cushion and leg support plate extension assembly on installation support, and seat cushion and leg support plate extension assembly are provided with two, one seat cushion and leg support plate extension assembly are installed four quarter leg support plate and four quarter seat cushion on, and the other seat cushion and leg support plate extension assembly are installed six quarter seat cushion and six quarter leg support plate on.

[0006] Further, the four quarter support is slidably installed with the four quarter headrest connecting slide rod, and is locked and positioned by the locking screw A, the locking screw A is threadedly installed on the four quarter support, and the four quarter headrest connecting slide rod is installed with the four quarter headrest.

[0007] Further, the angle adjuster one is installed with the angle adjuster motor two, and the angle adjuster two is installed with the back motor one.

[0008] Further, the six quarter support is fixedly installed with the limiting rod, and the limiting rod limits the middle handrail connecting frame.

[0009] Further, the six quarter support is slidably installed with the six quarter headrest connecting slide rod, and is locked and positioned by the locking screw B, the locking screw B is threadedly installed on the six quarter support, and the six quarter headrest connecting slide rod is installed with the six quarter headrest.

[0010] Further, the angle adjuster three is installed with the angle adjuster motor one, and the angle adjuster four is installed with the lower back motor two.

[0011] Further, the seat cushion and leg support plate extension assembly comprises a seat cushion mounting plate, a leg support connecting plate, a push-off extension plate, a matching sliding rod, a mounting connecting plate one, a hinged connecting rod one, a hinged connecting rod two, a mounting connecting plate two, an execution motor one, an execution motor two, a screw rod one, a screw rod connecting sleeve one, a connecting sliding block, a sliding block connecting support, an execution motor three, a screw rod connecting sleeve three, a screw rod three, a limiting sleeve, a limiting matching sliding block, a screw rod driver one, a screw rod driver two, and a hinged connecting rod three, the mounting support is fixedly installed with the limiting sleeve, the limiting sleeve is slidably installed with the limiting matching sliding block, the limiting matching sliding block is rotationally connected with the seat cushion mounting plate, the seat cushion mounting plate is fixedly installed with the mounting connecting plate one, the mounting connecting plate one is hingedly installed on the mounting support through the hinged connecting rod one, the mounting connecting plate one is fixedly installed with the mounting connecting plate two, the mounting connecting plate two is hingedly installed on the mounting support through the hinged connecting rod two, the hinged connecting rod one is rotationally connected with the mounting connecting plate one, the mounting connecting plate two is rotationally connected with the hinged connecting rod two, the mounting connecting plate two is rotationally installed with the screw rod driver two, the screw rod driver two is installed on the output shaft of the execution motor one, the execution motor one is installed on the mounting connecting plate two, the screw rod driver two is threadedly installed with the screw rod two, the screw rod two is hingedly installed on the leg support connecting plate through the hinged connecting rod three, the leg support connecting plate is hingedly installed on the seat cushion mounting plate, the seat cushion mounting plate is rotationally installed with the screw rod driver one, the screw rod driver one is installed with the execution motor two, the screw rod driver one is threadedly installed with the screw rod one, the screw rod one is rotationally and limitingly installed on the screw rod connecting sleeve one at the other end, the screw rod connecting sleeve one is rotationally installed on the mounting support, the leg support connecting plate is fixedly installed with the matching sliding rod, the matching sliding rod is slidably installed with the connecting sliding block, the connecting sliding block is fixedly installed on the sliding block connecting support, the sliding block connecting support is fixedly installed with the push-off extension plate, the push-off extension plate is fixedly installed on the screw rod connecting sleeve three, the screw rod connecting sleeve three is threadedly installed on the screw rod three, the screw rod three is rotationally installed on the leg support connecting plate, the screw rod three is installed on the output shaft of the execution motor three, the execution motor three is installed on the leg support connecting plate, the four-split seat cushion or the six-split seat cushion is fixedly installed on the seat cushion mounting plate, and the four-split leg support plate or the six-split leg support plate is fixedly installed on the push-off extension plate.

[0012] The utility model discloses the advantages are in:

[0013] 1. Travel mode: the lower backrest motor one drives the rotating connecting plate one to rotate through the angle adjuster two, the rotating connecting plate one drives the angle adjuster one, the angle adjuster motor two and the four-branch support to rotate, and then the four-branch support drives the four-part backrest to rotate 90 degrees to the right side and stop, the four-part backrest is folded to the right side, which can save a lot of space for placing travel items; at the same time, the lower backrest motor two drives the rotating connecting plate two to rotate through the angle adjuster four, and then the rotating connecting plate two drives the angle adjuster three, the angle adjuster motor one and the six-branch support, and then the six-branch support drives the six-part backrest to rotate 90 degrees to the right side and stop, the six-part backrest is folded to the right side, which can save a lot of space for placing travel items; the four-part backrest and the six-part backrest are adjusted separately;

[0014] 2. Sleep mode: the lower backrest motor one drives the rotating connecting plate one to rotate through the angle adjuster two, the rotating connecting plate one drives the angle adjuster one, the angle adjuster motor two and the four-branch support to rotate, and then the four-branch support drives the four-part backrest to rotate 90 degrees to the left side and stop, the four-part backrest is completely flat with the four-part cushion, at the same time, the lower backrest motor two drives the rotating connecting plate two to rotate through the angle adjuster four, and then the rotating connecting plate two drives the angle adjuster three, the angle adjuster motor one and the six-branch support, and then the six-branch support drives the six-part backrest to rotate 90 degrees to the left side and stop, the six-part backrest is completely flat with the six-part cushion, the four-part backrest and the six-part backrest are adjusted separately;

[0015] 3. Start the execution motor one, and then drive the lead screw driver two to move through the execution motor one, the lead screw driver two drives the lead screw two, the lead screw two drives the leg support connecting plate to move through the articulated connecting rod three, so that the leg support connecting plate rotates 90 degrees upward relative to the seat cushion mounting plate, so that the quarter backrest, the quarter leg support plate and the quarter seat cushion are flat or so that the six backrest, the six seat cushion and the six leg support plate are flat, which is convenient for the driver or the passenger to lie down and rest; in order to adapt to the height of different drivers or passengers, start the execution motor three, the execution motor three drives the lead screw connecting sleeve three to move through the lead screw three, the lead screw connecting sleeve three drives the push-off extension plate to move, and then the quarter leg support plate or the six leg support plate is driven to move through the push-off extension plate, so as to realize the expansion of the use length of the seat cushion mounting plate, and the maximum extension length is 100mm; the maximum flat size of the quarter backrest, the quarter leg support plate and the quarter seat cushion is 1815mm; the maximum flat size of the six backrest, the six seat cushion and the six leg support plate is 1815mm; and the quarter part and the six part are adjusted separately; at the same time, start the execution motor two, the execution motor two drives the lead screw one to move through the lead screw driver one, and the rotation connection between the lead screw one and the lead screw connecting sleeve one changes the distance between the lead screw connecting sleeve one and the lead screw driver one, so as to drive the installation connecting plate one and the seat cushion mounting plate to move to the right side through the installation connecting plate two, so that the seat cushion mounting plate drives the quarter seat cushion or the six seat cushion to move, so that the distance between the quarter seat cushion and the quarter backrest changes or the distance between the six seat cushion and the six backrest changes, and the maximum stroke is 50mm; the use position of the six seat cushion or the quarter seat cushion is extended, and the six seat cushion or the quarter seat cushion can be adjusted separately. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure of the utility model is shown Figure 1 ;

[0017] Figure 2 The position of the section line is shown Figure 1 ;

[0018] Figure 3 The section view along the A-A section is shown Figure 2 ;

[0019] Figure 4 The section view along the B-B section is shown Figure 2 ;

[0020] Figure 5 The partial structure of the utility model is shown Figure 1 ;

[0021] Figure 6 The partial structure of the utility model is shown Figure 2 ;

[0022] Figure 7 is Figure 6 cutting line position schematic diagram;

[0023] Figure 8 is Figure 7 sectional view along D-D section;

[0024] Figure 9 is Figure 7 sectional view along G-G section;

[0025] Figure 10 is Figure 7 sectional view along H-H section;

[0026] Figure 11 The utility model discloses a travel mode schematic;

[0027] Figure 12 The utility model discloses a sleep mode schematic;

[0028] Figure 13 The utility model discloses four quarter backrest or six quarter backrest adjustment state schematic;

[0029] Figure 14 The utility model discloses cushion mounting plate normal state schematic;

[0030] Figure 15 The utility model discloses cushion mounting plate extension state schematic;

[0031] Marking in the drawing: four quarter leg support plate 1;Four quarter cushion 2;Four quarter backrest 4;Four quarter headrest 5;Six quarter headrest 6;Six quarter backrest 7;Six quarter cushion 8;Six quarter leg support plate 9;Middle handrail 10;Mounting support 11;Rotary connecting plate one 12;Four quarter support 13;Angle adjuster one 14;Angle adjuster two 15;Six quarter support 16;Angle adjuster three 17;Rotary connecting plate two 18;Angle adjuster four 19;Four quarter headrest connecting slide bar 20;Six quarter headrest connecting slide bar 21;22;Middle handrail connecting frame 23;Cushion mounting plate 24;Leg support connecting plate 25;Push off extension plate 26;Matched slide bar 27;Mounting connecting plate one 28;Hinged connecting rod one 29;Hinged connecting rod two 30;Mounting connecting plate two 31;Execution motor one 32;Execution motor two 33;Lead screw one 34;Lead screw connecting sleeve pipe one 35;Connecting slide block 36;Slide block connecting support 37;Execution motor three 38;Lead screw connecting sleeve pipe three 39;Lead screw three 40;Limiting sleeve pipe 41;Limiting matched slide block 42;Lead screw driver one 43;Lead screw driver two 44;Hinged connecting rod three 45;Lower backrest motor one 46;Lower backrest motor two 47;Angle adjuster motor one 48;Angle adjuster motor two 49. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] Example 1

[0035] As Figures 1-15As shown, a three-seater cushion extension seat for a car includes a quarter leg support plate 1, a quarter seat cushion 2, a quarter backrest 4, a quarter headrest 5, a sixth headrest 6, a sixth backrest 7, a sixth seat cushion 8, a sixth leg support plate 9, a middle armrest 10, a mounting bracket 11, a rotating connecting plate one 12, a quarter bracket 13, an angle adjuster one 14, an angle adjuster two 15, a sixth bracket 16, an angle adjuster three 17, a rotating connecting plate two 18, an angle adjuster four 19, a quarter headrest connecting slide rod 20, a sixth headrest connecting slide rod 21, a middle end rotating frame 22, a middle armrest connecting frame 23, a seat cushion and leg support plate extension assembly, a lower backrest motor one 46, a lower backrest motor two 47, an angle adjuster motor one 48, and an angle adjuster motor two 49. The rotating connecting plate one 12 is rotatably mounted on the mounting bracket 11 through the angle adjuster two 15, the quarter bracket 13 is rotatably mounted on the rotating connecting plate one 12 through the angle adjuster one 14, the middle end rotating frame 22 is rotatably mounted on the mounting bracket 11, the middle armrest connecting frame 23 is fixedly mounted on the middle end rotating frame 22, the middle armrest 10 is mounted on the middle armrest connecting frame 23, the rotating connecting plate two 18 is rotatably mounted on the mounting bracket 11 through the angle adjuster four 19, the sixth bracket 16 is rotatably mounted on the rotating connecting plate two 18 through the angle adjuster three 17, the quarter backrest 4 is mounted on the quarter bracket 13, the sixth backrest 7 is mounted on the sixth bracket 16, the seat cushion and leg support plate extension assembly is mounted on the mounting bracket 11, and the seat cushion and leg support plate extension assembly is provided with two, one of which is provided with the quarter leg support plate 1 and the quarter seat cushion 2, and the other of which is provided with the sixth seat cushion 8 and the sixth leg support plate 9. In this way, in the travel mode, the lower backrest motor one 46 drives the rotating connecting plate one 12 to rotate through the angle adjuster two 15, the rotating connecting plate one 12 rotates together with the angle adjuster one 14, the angle adjuster motor two 49, and the quarter bracket 13, and then the quarter backrest 4 is driven by the quarter bracket 13 to rotate 90 degrees to the right and stop, the quarter backrest 4 is folded to the right to save a lot of space for placing travel items; at the same time, the lower backrest motor two 47 drives the rotating connecting plate two 18 to rotate through the angle adjuster four 19, and then the angle adjuster three 17, the angle adjuster motor one 48, and the sixth bracket 16 are driven by the rotating connecting plate two 18, and then the sixth backrest 7 is driven by the sixth bracket 16 to rotate 90 degrees to the right and stop, the sixth backrest 7 is folded to the right to save a lot of space for placing travel items; the quarter backrest 4 and the sixth backrest 7 are adjusted separately.

[0036] Sleep mode: the lower backrest motor 46 drives the rotating connecting plate 12 to rotate through the angle adjuster 15, the rotating connecting plate 12 drives the angle adjuster 14, the angle adjuster motor 49 and the four-branch support 13 to rotate, and then drives the four-part backrest 4 to rotate 90 degrees to the left and stop, the four-part backrest 4 and the four-part seat cushion 2 are completely flat, at the same time, the lower backrest motor 47 drives the rotating connecting plate 18 to rotate through the angle adjuster 19, and then drives the angle adjuster 17, the angle adjuster motor 48 and the six-branch support 16 through the rotating connecting plate 18, and then drives the six-part backrest 7 to rotate 90 degrees to the left and stop through the six-branch support 16, the six-part backrest 7 and the six-part seat cushion 8 are completely flat, and the four-part backrest 4 and the six-part backrest 7 are independently adjusted.

[0037] Embodiment 2

[0038] As shown in Figures 1-15 , the four-part headrest connecting slide rod 20 is slidably installed on the four-branch support 13 and is locked and positioned by the locking screw A, the locking screw A is threadedly installed on the four-branch support 13, and the four-part headrest 5 is installed on the four-part headrest connecting slide rod 20.

[0039] Among them, the angle adjuster motor 49 is installed on the angle adjuster 14, and the backrest motor 46 is installed on the angle adjuster 15.

[0040] Among them, the limit rod 50 is fixedly installed on the six-branch support 16, and the limit rod 50 limits the interval armrest connecting frame 23.

[0041] Among them, the six-part headrest connecting slide rod 21 is slidably installed on the six-branch support 16 and is locked and positioned by the locking screw B, the locking screw B is threadedly installed on the six-branch support 16, and the six-part headrest 6 is installed on the six-part headrest connecting slide rod 21.

[0042] Among them, the angle adjuster motor 48 is installed on the angle adjuster 17, and the lower backrest motor 47 is installed on the angle adjuster 19.

[0043] Embodiment 3

[0044] As shown in Figures 1-15As shown, the seat cushion and leg support plate extension assembly comprises a seat cushion mounting plate 24, a leg support connecting plate 25, a push-off extension plate 26, a matching sliding rod 27, a mounting connecting plate one 28, a hinged connecting rod one 29, a hinged connecting rod two 30, a mounting connecting plate two 31, an execution motor one 32, an execution motor two 33, a lead screw one 34, a lead screw connecting sleeve one 35, a connecting sliding block 36, a sliding block connecting bracket 37, an execution motor three 38, a lead screw connecting sleeve three 39, a lead screw three 40, a limiting sleeve 41, a limiting matching sliding block 42, a lead screw driver one 43, a lead screw driver two 44, a hinged connecting rod three 45, the mounting bracket 11 is fixedly installed with the limiting sleeve 41, the limiting sleeve 41 is slidably installed with the limiting matching sliding block 42, the limiting matching sliding block 42 is rotationally connected with the seat cushion mounting plate 24, the seat cushion mounting plate 24 is fixedly installed with the mounting connecting plate one 28, the mounting connecting plate one 28 is hingedly installed on the mounting bracket 11 through the hinged connecting rod one 29, the mounting connecting plate one 28 is fixedly installed with the mounting connecting plate two 31, the mounting connecting plate two 31 is hingedly installed on the mounting bracket 11 through the hinged connecting rod two 30, the hinged connecting rod one 29 is rotationally connected with the mounting connecting plate one 28, the mounting connecting plate two 31 is rotationally connected with the hinged connecting rod two 30, the mounting connecting plate two 31 is rotationally installed with the lead screw driver two 44, the lead screw driver two 44 is installed on the output shaft of the execution motor one 32, the execution motor one 32 is installed on the mounting connecting plate two 31, the lead screw driver two 44 is threadedly installed with the lead screw two, the lead screw two is hingedly installed on the leg support connecting plate 25 through the hinged connecting rod three 45, the leg support connecting plate 25 is hingedly installed on the seat cushion mounting plate 24, the seat cushion mounting plate 24 is rotationally installed with the lead screw driver one 43, the lead screw driver one 43 is installed with the execution motor two 33, the lead screw driver one 43 is threadedly installed with the lead screw one 34, the other end of the lead screw one 34 is rotationally and limitingly installed on the lead screw connecting sleeve one 35, the lead screw connecting sleeve one 35 is rotationally installed on the mounting bracket 11, the leg support connecting plate 25 is fixedly installed with the matching sliding rod 27, the matching sliding rod 27 is slidably installed with the connecting sliding block 36, the connecting sliding block 36 is fixedly installed on the sliding block connecting bracket 37, the sliding block connecting bracket 37 is fixedly installed with the push-off extension plate 26, the push-off extension plate 26 is fixedly installed on the lead screw connecting sleeve three 39, the lead screw connecting sleeve three 39 is threadedly installed on the lead screw three 40, the lead screw three 40 is rotationally installed on the leg support connecting plate 25, the lead screw three 40 is installed on the output shaft of the execution motor three 38, the execution motor three 38 is installed on the leg support connecting plate 25, the quarter seat cushion 2 or the six quarter seat cushion 8 is fixedly installed on the seat cushion mounting plate 24, the quarter leg support plate 1 or the six quarter leg support plate 9 is fixedly installed on the push-off extension plate 26, in this way, the execution motor one 32 is started, then the execution motor one 32 drives the lead screw driver two 44 to move, the lead screw driver two 44 drives the lead screw two, the lead screw two drives the leg support connecting plate 25 through the hinged connecting rod three 45, so that the leg support connecting plate 25 is rotated by 90 degrees upward relative to the seat cushion mounting plate 24,The four quarter backrest 4, the four quarter leg support plate 1 and the four quarter seat cushion 2 are leveled or the six quarter backrest 7, the six quarter seat cushion 8 and the six quarter leg support plate 9 are leveled, which is convenient for the driver or the passenger to lie down and rest; in order to adapt to the height of different drivers or passengers, the third execution motor 38 is started, the third execution motor 38 drives the screw rod 40 to drive the screw rod connecting sleeve 39 to move, the screw rod connecting sleeve 39 drives the push-off extension plate 26 to move, and then the push-off extension plate 26 drives the four quarter leg support plate 1 or the six quarter leg support plate 9 to move, so that the use length of the seat cushion mounting plate 24 is extended, and the maximum extension length is 100 mm; the maximum flat size of the four quarter backrest 4, the four quarter leg support plate 1 and the four quarter seat cushion 2 is 1815 mm; the maximum flat size of the six quarter backrest 7, the six quarter seat cushion 8 and the six quarter leg support plate 9 is 1815 mm; and the four quarter part and the six quarter part are adjusted separately; at the same time, the second execution motor 33 is started, the second execution motor 33 drives the screw rod driver 43 to drive the screw rod 34 to move, and the rotation connection between the screw rod 34 and the screw rod connecting sleeve 35 changes the distance between the screw rod connecting sleeve 35 and the screw rod driver 43, so that the installation connecting plate 31 drives the installation connecting plate 28 and the seat cushion mounting plate 24 to move to the right side, the seat cushion mounting plate 24 drives the four quarter seat cushion 2 or the six quarter seat cushion 8 to move, the distance between the four quarter seat cushion 2 and the four quarter backrest 4 is changed or the distance between the six quarter seat cushion 8 and the six quarter backrest 7 is changed, and the maximum stroke is 50 mm; the use position of the six quarter seat cushion 8 or the four quarter seat cushion 2 is extended, and the six quarter seat cushion 8 or the four quarter seat cushion 2 can be adjusted separately.

[0045] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A three-seater extension seat for a vehicle, characterized by comprising: The four quarter leg support plate (1), the four quarter seat cushion (2), the four quarter backrest (4), the four quarter headrest (5), the six quarter headrest (6), the six quarter backrest (7), the six quarter seat cushion (8), the six quarter leg support plate (9), the middle armrest (10), the mounting bracket (11), the rotating connecting plate one (12), the four quarter bracket (13), the angle adjuster one (14), the angle adjuster two (15), the six quarter bracket (16), the angle adjuster three (17), the rotating connecting plate two (18), the angle adjuster four (19), the four quarter headrest connecting slide rod (20), the six quarter headrest connecting slide rod (21), the middle end rotating frame (22), the middle armrest connecting frame (23), the seat cushion and leg support plate extension assembly, the lower backrest motor one (46), the lower backrest motor two (47), the angle adjuster motor one (48) and the angle adjuster motor two (49), the rotating connecting plate one (12) is rotatably installed on the mounting bracket (11) through the angle adjuster two (15), the four quarter bracket (13) is rotatably installed on the rotating connecting plate one (12) through the angle adjuster one (14), the middle end rotating frame (22) is rotatably installed on the mounting bracket (11), the middle armrest connecting frame (23) is fixedly installed on the middle end rotating frame (22), the middle armrest (10) is installed on the middle armrest connecting frame (23), the rotating connecting plate two (18) is rotatably installed on the mounting bracket (11) through the angle adjuster four (19), the six quarter bracket (16) is rotatably installed on the rotating connecting plate two (18) through the angle adjuster three (17), the four quarter backrest (4) is installed on the four quarter bracket (13), the six quarter backrest (7) is installed on the six quarter bracket (16), the seat cushion and leg support plate extension assembly is installed on the mounting bracket (11), and the seat cushion and leg support plate extension assembly is provided with two, one of the seat cushion and leg support plate extension assemblies is provided with the four quarter leg support plate (1) and the four quarter seat cushion (2), and the other of the seat cushion and leg support plate extension assemblies is provided with the six quarter seat cushion (8) and the six quarter leg support plate (9).

2. The three-place bench seat extension cushion for an automobile according to claim 1, wherein The four quarter headrest connecting slide rod (20) is slidably installed on the four quarter bracket (13) and is locked and positioned by a locking screw A, the locking screw A is threadedly installed on the four quarter bracket (13), and the four quarter headrest (5) is installed on the four quarter headrest connecting slide rod (20).

3. The three-place bench seat extension cushion for an automobile according to claim 1, wherein The angle adjuster motor two (49) is installed on the angle adjuster one (14), and the backrest motor one (46) is installed on the angle adjuster two (15).

4. The three-place bench seat extension for an automobile of claim 1, wherein, The limiting rod (50) is fixedly installed on the six quarter bracket (16) and limits the middle armrest connecting frame (23).

5. The three-place bench seat extension for an automobile of claim 1, wherein, The six quarter headrest connecting slide rod (21) is slidably installed on the six quarter bracket (16) and is locked and positioned by a locking screw B, the locking screw B is threadedly installed on the six quarter bracket (16), and the six quarter headrest (6) is installed on the six quarter headrest connecting slide rod (21).

6. The three-place bench seat extension for an automobile of claim 1, wherein, The angle adjuster motor one (48) is installed on the angle adjuster three (17), and the lower backrest motor two (47) is installed on the angle adjuster four (19).

7. The three-place bench seat extension for an automobile of claim 1, wherein, The seat cushion and leg support plate extension assembly comprises a seat cushion mounting plate (24), a leg support connecting plate (25), a push-off extension plate (26), a matching sliding rod (27), a mounting connecting plate one (28), a hinged connecting rod one (29), a hinged connecting rod two (30), a mounting connecting plate two (31), an execution motor one (32), an execution motor two (33), a lead screw one (34), a lead screw connecting sleeve one (35), a connecting sliding block (36), a sliding block connecting bracket (37), an execution motor three (38), a lead screw connecting sleeve three (39), a lead screw three (40), a limiting sleeve (41), a limiting matching sliding block (42), a lead screw driver one (43), a lead screw driver two (44), and a hinged connecting rod three (45). The limiting sleeve (41) is fixedly installed on the mounting bracket (11), the limiting matching sliding block (42) is slidably installed in the limiting sleeve (41), the limiting matching sliding block (42) is rotationally connected with the seat cushion mounting plate (24), the seat cushion mounting plate (24) is fixedly installed with the mounting connecting plate one (28), the mounting connecting plate one (28) is hingedly installed on the mounting bracket (11) through the hinged connecting rod one (29), the mounting connecting plate one (28) is fixedly installed with the mounting connecting plate two (31), the mounting connecting plate two (31) is hingedly installed on the mounting bracket (11) through the hinged connecting rod two (30), the hinged connecting rod one (29) is rotationally connected with the mounting connecting plate one (28), the mounting connecting plate two (31) is rotationally connected with the hinged connecting rod two (30), the mounting connecting plate two (31) is rotationally installed with the lead screw driver two (44), the lead screw driver two (44) is installed on the output shaft of the execution motor one (32), the execution motor one (32) is installed on the mounting connecting plate two (31), the lead screw driver two (44) is threadedly installed with a lead screw two, the lead screw two is hingedly installed on the leg support connecting plate (25) through the hinged connecting rod three (45), the leg support connecting plate (25) is hingedly installed on the seat cushion mounting plate (24), the seat cushion mounting plate (24) is rotationally installed with the lead screw driver one (43), the lead screw driver one (43) is installed with the execution motor two (33), the lead screw driver one (43) is threadedly installed with the lead screw one (34), the other end of the lead screw one (34) is rotationally and limitingly installed on the lead screw connecting sleeve one (35), the lead screw connecting sleeve one (35) is rotationally installed on the mounting bracket (11), the leg support connecting plate (25) is fixedly installed with the matching sliding rod (27), the matching sliding rod (27) is slidably installed with the connecting sliding block (36), the connecting sliding block (36) is fixedly installed on the sliding block connecting bracket (37), the sliding block connecting bracket (37) is fixedly installed with the push-off extension plate (26), the push-off extension plate (26) is fixedly installed on the lead screw connecting sleeve three (39), the lead screw connecting sleeve three (39) is threadedly installed with the lead screw three (40), the lead screw three (40) is rotationally installed on the leg support connecting plate (25), the lead screw three (40) is installed on the output shaft of the execution motor three (38), the execution motor three (38) is installed on the leg support connecting plate (25).The quarter seat cushion (2) or the six-seater seat cushion (8) is fixedly installed on the seat cushion mounting plate (24), and the quarter leg supporting plate (1) or the six-seater leg supporting plate (9) is fixedly installed on the push-off extension plate (26).

Images