TWM596172U - Seat device capable of sideways tilting and folding - Google Patents

Abstract

A seat device capable of being folded sideways and folded includes a seat frame, a seat back adjusting unit installed between a seat cushion bracket and a seat back bracket of the seat frame, and a seat back adjusting unit installed on the seat back bracket and A seatback unlocking unit between the seatback adjusting unit, a support unit installed on the seat cushion bracket, a front ground lock unit and a rear ground lock unit installed on the support unit, and a support unit installed on the support unit A front floor lock unit, a tripod unlocking unit between the rear floor lock unit, and a side flip unit. The rollover unit includes a rollover fixing seat fixed on a side panel of the vehicle, and a rollover seat pivotally arranged on the rollover fixing seat and fixing the seat cushion bracket. The chair back bracket can be folded on the top side of the chair cushion bracket, the support unit can be folded on the bottom side of the chair cushion bracket, and the chair cushion bracket can be turned sideways, so that the disclosed seat device can be folded Fold over to free up the space in the car.

Description

Seat device capable of being folded sideways

The present disclosure relates to a seat, in particular to a seat device that can be folded sideways and folded.

Most of the existing seats installed in the rear of the vehicle do not have a rollover function, and there is a problem that they cannot be effectively used and utilize the space in the vehicle.

Therefore, the present disclosure is to provide a seat device that can be folded over and folded to solve the problems of the prior art.

Therefore, the disclosed folding seat device is suitable for installation in a vehicle having a vehicle side panel, and a vehicle front lock lever and a vehicle rear lock fixed on a vehicle floor Lever, the seat device capable of being folded and folded includes a seat frame, a seat back adjusting unit, a seat back unlocking unit, a supporting unit, a front ground locking unit, a rear ground locking unit, and a tripod to unlock Unit and side flip unit. The seat frame includes a chair cushion bracket, two connecting seats fixed to the chair cushion bracket, and a seat back bracket installed on the two connecting seats and rotatable relative to the chair cushion bracket, the chair cushion bracket has two chairs A cushion side bar, the seat back support has two arms, and the two connecting seats are respectively fixed to the two seat cushion side bars; the seat back adjusting unit includes two arms respectively installed between the two connecting seats and the two arms Supine, each supine has a transmission shaft interposed between the respective support arm and the connecting seat, and a locking group that can be linked by the transmission shaft and is in a locked state or an unlocked state; the chair The back unlocking unit includes a seat back fixing seat fixed to the seat back support, a first link lever pivotably pivoted to the seat back seat, and two sets of second link levers connected to the two transmission shafts , A pull wire installed between the first linking rod and the two second linking rods, a seatback elastic member mounted between the seat back fixing seat and the first linking rod, a movable mount A seatback unlocking operating lever connected to the seatback bracket and connected with the first linking lever, and a seatback unlocking operating member capable of pulling the seatback unlocking operating lever, when pulling the seatback unlocking operating member, the second The two linkage rods drive the two transmission shafts to rotate, so that the two locking sets are in the unlocked state; the support unit includes a tripod rotatably connected to the seat cushion bracket, the tripod has a bottom side open for accommodating A front lock slot of the front lock lever of the vehicle bottom, and a rear lock slot for accommodating the rear lock lever of the vehicle bottom; the front ground lock unit includes a pivot that is pivotally mounted on the tripod and can be opposite to the front of the vehicle bottom A front lock hook that rotates between a lock position and an unlock position, a third linkage lever that is rotatably pivoted on the tripod, and a third linkage lever that is mounted on the front lock hook and the third linkage lever Between the front ground lock elastic member, the front ground lock elastic member gives the front lock hook a constant tendency to rotate toward the locking position; the rear ground lock unit includes a pivot mounted on the tripod and can be relative to the vehicle The rear rear locking lever rotates between a locking position and an unlocking position, a fourth link lever pivotally pivotally mounted on the tripod, and a fourth locking lever mounted on the rear locking hook and the fourth A rear ground lock elastic member between the linkage rods, the rear ground lock elastic member gives the rear lock hook a constant tendency to rotate toward the locking position; the tripod unlocking unit includes a pivotally pivotable pivot unit And a front unlocking actuation lever connected to the third linking lever, a rear unlocking actuating lever pivotably mounted on the tripod and connected to the fourth linking lever, and a foot movably mounted on the tripod A rack unlocking operation piece, the tripod unlocking operation piece has a front end portion connected to the front unlocking operation lever, and a rear end portion connected to the rear unlocking operation lever, and the front lock can be linked when the tripod unlocking operation member is pulled The hook rotates to the unlocking position, and the rear lock hook can be linked to rotate to the unlocking position; the rollover unit includes a rollover fixing seat fixed to the side panel of the vehicle, and a pivotally pivotable seat on the rollover fixing seat And consolidate the turning seat of the chair cushion bracket, at least one side turning elastic member installed between the side turning fixing seat and the turning seat, and passing through the side turning fixing seat and the turning seat and the at least one side At least one side of the pivoting member is turned between the pivoting levers, Rotating between an unfolding position and a folding position of the rollover fixing base, when the rollover base is located at the unfolding position, the at least one side roll elastic member is deformed and has a resilience.

The disclosed seat device that can be turned sideways and folded can be deployed for riding, and can be folded sideways to make room in the car.

The disclosure will be described in detail below in conjunction with the drawings and embodiments. Before the disclosure is described in detail, it should be noted that the relative position terms used in the following description content, such as "front", "back", "left", " The "right", "top" and "bottom" are based on the orientation shown in the figures and the normal usage orientation.

Referring to FIGS. 1 to 4, the disclosed seat device 1 capable of being folded and folded is suitable for installation in a vehicle having a vehicle side panel 101, a vehicle floor panel 102 connected to the vehicle side panel 101, and installation A vehicle front lock lever 103 and a vehicle rear lock lever 104 are fixed on the vehicle floor 102.

The embodiment of the side-foldable folding seat device 1 includes a seat frame 10, a seat back adjusting unit 20, a seat back unlocking unit 30, a supporting unit 40, a front ground lock unit 50, and a rear ground A lock unit 60, a tripod unlocking unit 70 and a side turning unit 80.

The seat frame 10 includes a seat cushion bracket 11, two connecting seats 12 fixed to the seat cushion bracket 11, and a seat back bracket 13 installed on the two connecting seats 12 and rotatable relative to the seat cushion bracket 11.

The chair cushion bracket 11 has two chair cushion side rods 111 and 112 on the left and right sides, and two chair cushion connecting rods 113 and 114 connected to the two chair cushion side rods 111 and 112 and located on the front and rear sides. The side bar 111 is close to the vehicle side panel 101, and the seat cushion side bar 112 is away from the vehicle side panel 101.

The two connecting seats 12 are respectively fixed to the rear ends of the two chair cushion side rods 111 and 112.

The seat back bracket 13 has two arms 131 on the left and right sides, and a seat back connecting rod 132 connecting the two arms 131.

Referring to FIGS. 5-9, the seat back adjustment unit 20 includes two supines 21 respectively installed between the two connecting seats 12 and the two arms 131, and each supine 21 has a support interposed on each support. A transmission shaft 22 between the arm 131 and the connecting base 12 and a locking group 23 that can be linked by the transmission shaft 22 to be in a locked state or an unlocked state.

The locking group 23 has a bearing plate 24 fixed on the support arm 131, two latching blocks 25 swingably mounted on the bearing plate 24, a set on the transmission shaft 22 and can be used by the transmission shaft 22 interlocks and can drive the cam 26 of the two catching blocks 25, the two catching elastic members 27 installed between the bearing plate 24 and the cam 26, and a fixed seat on the connecting base 12 and having a The fixing cylinder 28 of the internal ring gear 281 outside the catch block 25.

Each latch block 25 can swing between a latching position (see FIG. 8) and a non-latching position (see FIG. 9) relative to the internal gear ring 281, and has a plurality of latching teeth 251 The internal ring gear 281 is engaged or disengaged.

The cam 26 can rotate between a pushing position (see FIG. 8) and a non-thrusting position (see FIG. 9) relative to the two latching blocks 25. When the cam 26 is in the pushing position, the The two latching blocks 25 are located at the latching position, and by the latching teeth 251 meshing with the internal gear ring 281, the latching group 23 is in the latching state, when the cam 26 is at the non-pushing position The two latching blocks 25 are located at the non-latching position, the latching teeth 251 are separated from the internal gear ring 281, so that the latching group 23 is in the unlocked state.

The two latching elastic members 27 make the cam 26 have a constant tendency to rotate toward the pushing position. In this embodiment, the two latching elastic members 27 are two coil springs, but they may also be two springs.

It is worth noting that the locking set 23 of the present disclosure is not limited to the above structure, as long as it can be interlocked by the transmission shaft 22 and can generate a locking or unlocking function, it can be applied to the supine device 21.

The seat back unlocking unit 30 includes a seat back fixing seat 31 fixed to the seat back support 13, and a first pivotally placed on the seat back fixing seat 31 and rotatable between a pulled position and a non-pulled position The linkage rod 32 is sleeved with two second linkage rods 33 connected to the two transmission shafts 22, a cable 34 installed between the first linkage rod 32 and the two second linkage rods 33, and one installed on the chair The elastic member 35 of the seatback between the back fixing seat 31 and the first linking lever 32 is a seatback that can move through the seatback connecting rod 132 in a top-bottom direction and connect the first linking lever 32 to unlock The actuating lever 36 and a seatback unlocking operating member 37 that can pull the seatback to unlock the actuating lever 36 to move toward the top end.

In this embodiment, the seat back elastic member 35 is a spring, so that the first link lever 32 has a tendency to rotate toward the non-pulled position.

In this embodiment, the seatback unlocking operation member 37 is a seatback unlocking pull strap, but it may also be other elements that can pull the seatback unlocking lever 36.

When the user pulls the seatback unlocking operation member 37 to drive the seatback unlocking actuating lever 36 toward the top end, the seatback unlocking actuating lever 36 will drive the first linking lever 32 to rotate to the pulling position and sequentially drive the pulling The wire 34 and the two second linkage rods 33, and the two second linkage rods 33 drive the two transmission shafts 22 of the two supines 21 to rotate, so that the two locking groups 23 are in the unlocked state, and then the The seat back bracket 13 is turned forward to the top side of the seat cushion bracket 11 to achieve the effect of folding the seat back bracket 13 (see FIG. 14).

Referring to FIG. 1 to FIG. 4 and FIG. 10 to FIG. 12, the supporting unit 40 includes a bipod pivot 41 fixed on the two chair cushion connecting rods 113 and 114 and close to the chair cushion side rod 112, and a The bipod pivot 42 is rotatably pivoted on the tripod 43 of the bipod pivot 41. In this way, the footrest 43 is connected to the seat cushion bracket 11 and can rotate relative to the seat cushion bracket 11 between an expanded position and a folded position. The footrest 43 has a front locking groove 431 open at the bottom side and A rear lock slot 432, the front lock slot 431 can receive the underbody front lock lever 103, and the rear lock slot 432 can receive the underbody rear lock lever 104.

It is easy to understand that the tripod 43 can also be pivotally mounted on the bipod pivot 41 through a tripod pivot 42.

The front ground lock unit 50 includes a front lock hook 51 pivotably pivoted to the leg 43 and close to the front lock slot 431, and a front pivot hook pivotally pivoted to the leg 43 and located at the front lock hook A third linkage lever 52 on the top side of 51, and a front ground lock elastic member 53 installed between the front lock hook 51 and the third linkage lever 52.

The front locking hook 51 can rotate between a locking position (see FIG. 11) and an unlocking position (see FIG. 12) relative to the front lock lever 103 of the vehicle bottom. In this embodiment, the front lock elastic member 53 is The spring makes the front lock 51 have a constant tendency to rotate toward the lock position.

The rear ground lock unit 60 includes a rear lock hook 61 pivotably pivoted to the leg 43 and close to the rear lock slot 432, and a rear pivot hook pivotally pivoted to the leg 43 and located at the rear lock hook A fourth linkage rod 62 on the front side of 61, and a rear lock elastic member 63 installed between the rear lock hook 61 and the fourth linkage rod 62.

The rear locking hook 61 can rotate between a locking position (see FIG. 11) and an unlocking position (see FIG. 12) relative to the bottom rear locking rod 104. In this embodiment, the rear ground locking elastic member 63 is The spring makes the rear hook 61 have a constant tendency to rotate toward the lock position.

The tripod unlocking unit 70 includes a front unlocking lever 71 pivotally pivotably mounted on the tripod 43, a linking member 72 connected between the front unlocking lever 71 and the third linking lever 52, a A rear unlocking actuating lever 73 pivotably mounted on the leg 43 and connected to the third linking rod 62, and a front and rear movable through the leg 43 and pulling the front unlocking actuating lever 71 and Then, the tripod unlocking operation member 74 of the rear unlocking lever 73 is unlocked.

In this embodiment, the linkage 72 is a pull wire.

In this embodiment, the tripod unlocking operation member 74 is a tripod unlocking strap, and has a front end portion 741 connected to the front unlocking lever 71, and a rear end portion 742 connecting to the rear unlocking lever 73. The tripod unlocking operating member 74 is pulled backward, and the front unlocking lever 71 can be driven by the front end portion 741 to rotate the front lock hook 51 to the unlocking position to disengage from the front lock lever 103 of the vehicle bottom. The rear end portion 742 drives the rear unlocking lever 73 to rotate the rear lock hook 61 to the unlocked position to disengage from the bottom rear locking lever 104. At this time, the footrest 43 can be rotated to the seat cushion bracket 11 The bottom side is located at the folded position (see Figure 15).

Referring to FIGS. 1, 3, 4 and 13, the rollover unit 80 includes a rollover fixing base 81 fixed to the vehicle side panel 101, and is pivotally pivotably mounted on the rollover fixing base 81 and consolidated The turning seat 82 of the seat cushion side rod 111 of the seat cushion bracket 11 is at least one side turning elastic member 83 installed between the turning seat 81 and the turning seat 82, and is fixed through the turning At least one side turning pivot 84 between the seat 81 and the turning seat 82 and the at least one turning elastic member 83.

In this embodiment, the number of the at least one side turning elastic member 83 and the at least one side turning pivot rod 84 are two. The side turning elastic member 83 is a torsion spring, and has a first leg 831 and a second leg 832, the rollover fixing base 81 has two fixed abutment blocks 811, the rollover base 82 has two pivot ears 821, each rollover elastic member 83 is installed between the respective fixed abutment block 811 and the pivot ear 821, and the The first leg 831 abuts the fixing block 811, the second leg 832 abuts the pivot ear 821, and each rollover pivot rod 84 passes through and fixes the respective pivot ear 821 and the rollover spring 83 and Fixed between blocks 811.

The turning base 82 can rotate between an unfolding position (see FIG. 15) and a folding position (see FIG. 16) relative to the rollover fixing base 81. When the turning base 82 is at the unfolding position, the two sides The turning elastic member 83 is deformed to have a restoring elasticity, by which the turning seat 82 is rotated to the folded position, the restoring spring force can produce the effect of turning the turning seat 82 with less effort. In addition, by The first leg 831 abuts the fixed abutment block 811, and the second leg 832 abuts the pivot ear 821, which can improve the positioning quality of the turning base 82 in the deployed position or the folded position.

In this embodiment, two rollover elastic members 83 are provided, and when one of the rollover elastic members 83 is damaged, the other rollover elastic members 83 can still produce the above-mentioned use effect.

Referring to FIG. 1 to FIG. 4 and FIG. 11, when in use, when the seat device 1 capable of being folded and folded is in use, there is an angle between the seat back bracket 13 and the seat cushion bracket 11, and the seat back bracket 13 After the two supine devices 21 are locked in the locked position after being adjusted to an appropriate angle, the tripod 43 stands on the floor 102 in the deployed position, and the front lock lever is locked by the front lock hook 51 103. The rear lock hook 61 is used to lock the bottom rear lock lever 104, so that the seat device 1 that can be folded over and folded has a good stabilizing effect, and the riding quality can be improved.

To fold the seat device 1 that can be folded sideways, first, referring to FIGS. 4 to 9 and 14, pull the seatback unlocking operating member 37 toward the top end to move the seatback unlocking operating rod 36 toward the top end , The seat back unlocking actuating lever 36 can sequentially link the first linking lever 32, the cable 34 and the two second linking levers 33, and the two second linking levers 33 can drive the two transmission shafts 22 to rotate , So that the two locking groups 23 are in the unlocked state. At this time, the seat back bracket 13 can be turned forward to the top side of the seat cushion bracket 11 to achieve the effect of folding the seat back bracket 13. Next, referring to FIG. 10 to FIG. 12 and FIG. 15, the tripod unlocking operating member 74 is pulled toward the rear end, and the tripod unlocking operating member 74 can drive the front unlocking operating rod 71 to rotate the front lock hook 51 to the The unlocking position, and the rear unlocking lever 73 can be driven to rotate the rear lock hook 61 to the unlocking position. At this time, the footrest 43 can be rotated to the bottom side of the cushion support 11 to reach the folding position The effect of the tripod 43. Finally, referring to FIG. 16, turning the seat frame 10 toward the rollover fixing seat 81 can turn the rollable folding seat device 1 to a position close to the vehicle side panel 101 and reach Folding and side-turning The effect of the seat device 1 that can be turned sideways and folded.

In summary, the disclosed seat device that can be folded sideways and folded has the following effects and advantages, so it can indeed achieve the purpose of cost disclosure.

1. The disclosed seat device 1 that can be folded sideways can be deployed for riding, and can be folded sideways to make room in the car, for example, a wheelchair for people with reduced mobility can directly enter the car.

2. Simply pulling the seatback unlocking operation piece 37 and the tripod unlocking operation piece 74, the seat device 1 can be folded and turned sideways. The operation is quite convenient.

3. By installing the at least one side turning elastic member 83 between the fixing seat 81 and the turning seat 82, the user can save more effort when turning the seat device 1 that can turn and fold.

However, the above are only the embodiments disclosed in this disclosure, and the scope of implementation of this disclosure cannot be limited by this. Any simple equivalent changes and modifications made according to the scope of the patent application and the content of the patent specification of this disclosure are still classified as This disclosure patent covers the scope.

1: Seat device capable of being folded sideways 10: Seat frame 11: Chair cushion bracket 111: chair cushion side bar 112: Chair cushion side bar 113: Chair cushion connecting rod 114: Chair cushion connecting rod 12: connector 13: Chair back bracket 131: Arm 132: Chair back connecting rod 20: Seat back adjustment unit 21: supine 22: Drive shaft 23: Card lock group 24: Carrier plate 25: snap block 251: snap teeth 26: cam 27: snap elastic 28: fixed cylinder 281: Internal gear ring 30: Chair back unlock unit 31: seat back fixed seat 32: the first linkage 33: Second linkage 34: Cable 35: Chair back elastic 36: Unlock actuator 37: Chair back unlocking operation piece 40: Support unit 41: Tripod pivot 42: Tripod pivot 43: Tripod 431: Front lock slot 432: Rear lock slot 50: front ground lock unit 51: Front lock hook 52: third linkage 53: Front ground lock elastic 60: Rear ground lock unit 61: Rear lock hook 62: fourth linkage 63: Rear ground lock elastic 70: Tripod unlocking unit 71: Unlock the front lever 72: linkage 73: Rear unlock the actuator 74: Tripod unlocking operation piece 741: Front end 742: rear end 80: rollover unit 81: Rollover fixed seat 811: fixed block 82: flip seat 821: pivot ear 83: Rollover elastic 831: First foot 832: second leg 84: rollover pivot 101: Car side panel 102: Car floor 103: front lock lever 104: Rear lock lever

The other features and functions of this disclosure will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a front perspective view of one embodiment of the disclosed seat device that can be folded sideways and folded; FIG. 2 is another front perspective view of the embodiment; Figure 3 is a side view of the embodiment; Figure 4 is a rear view of the embodiment; 5 is a rear perspective view of the embodiment; FIG. 6 is an incomplete partial rear view of the embodiment, showing a first linkage lever, a cable and a seatback unlocking actuation lever of a seatback unlocking unit; 7 is another partial partial rear view of the embodiment, showing a second linkage rod of the supine device and the seatback unlocking unit and the pull wire; FIG. 8 is a schematic diagram of the supine device of the embodiment, showing that the two latching blocks are located in the first latching position; 9 is a view similar to FIG. 8 showing that the two latching blocks are in a non-latching position; 10 is a combined perspective view of the embodiment, showing a supporting unit, a front ground lock unit, a rear ground lock unit and a tripod unlocking unit; FIG. 11 is a schematic plan view of the embodiment, showing that a front lock hook of the front ground lock unit and a rear lock hook of the rear ground lock unit are in a locking position. In order to clearly show the rear ground lock unit, FIG. Omit some covers 12 is a view similar to FIG. 11, showing that the front lock hook and the rear lock hook are in an unlocked position; 13 is a combined perspective view of the side flip unit of this embodiment; 14 is a view similar to FIG. 3, showing a seatback bracket in a folded state; 15 is a front view of the embodiment, showing that the seat back bracket and a tripod are in a folded state; and FIG. 16 is a view similar to FIG. 15 showing that the embodiment is in the folded-over state.

1: Seat device capable of being folded sideways

10: Seat frame

11: Chair cushion bracket

111: chair cushion side bar

112: Chair cushion side bar

113: Chair cushion connecting rod

114: Chair cushion connecting rod

12: connector

13: Chair back bracket

131: Arm

132: Chair back connecting rod

20: Seat back adjustment unit

21: supine

22: Drive shaft

23: Card lock group

24: Carrier plate

28: fixed cylinder

30: Chair back unlock unit

31: seat back fixed seat

33: Second linkage

34: Cable

36: Unlock actuator

37: Chair back unlocking operation piece

40: Support unit

41: Tripod pivot

42: Tripod pivot

43: Tripod

431: Front lock slot

432: Rear lock slot

70: Tripod unlocking unit

74: Tripod unlocking operation piece

80: rollover unit

81: Rollover fixed seat

811: fixed block

82: flip seat

821: pivot ear

83: Rollover elastic

831: First foot

832: second leg

84: rollover pivot

Claims (8)

A seat device capable of being folded sideways includes: A seat frame includes a chair cushion bracket, two connecting seats fixed to the chair cushion bracket, and a seat back bracket installed on the two connecting seats and rotatable relative to the chair cushion bracket, the chair cushion bracket has two A seat cushion side rod, the seat back support has two arms, and the two connecting seats are respectively fixed to the two seat cushion side rods; A seat back adjustment unit, including two supine devices respectively installed between the two connecting seats and the two arms, each supine device has a transmission shaft interposed between the respective supporting arm and the connecting seat, and a A locking group that can be linked by the transmission shaft and is in a locked state or an unlocked state; A seat back unlocking unit includes a seat back fixing seat fixed to the seat back support, a first link lever pivotally pivotally mounted on the seat back fixing seat, and two sets of second seats connected to the two transmission shafts Two linkage rods, a cable installed between the first linkage rod and the two second linkage rods, a seat back elastic member installed between the seat back fixing seat and the first linkage rod, A seatback unlocking operating lever movably mounted on the seatback support and connected to the first linking lever, and a seatback unlocking operating member capable of pulling the seatback unlocking operating lever, when the seatback unlocking operating member is pulled, it can be linked The two second linkage rods drive the two transmission shafts to rotate, so that the two locking groups are in the unlocked state; A supporting unit includes a tripod rotatably connected to the seat cushion bracket, the tripod having a front locking slot open at the bottom and a rear locking slot; A front ground lock unit includes a front lock hook pivotally mounted on the tripod, a third link lever pivotably pivoted on the tripod, and a third link lever mounted on the front lock hook and the third link lever Between the front lock elastics; A rear ground lock unit includes a rear lock hook pivotally mounted on the tripod, a fourth link lever pivotally pivotally mounted on the tripod, and a fourth link lever mounted on the rear lock hook and the fourth link lever Between the rear lock elastics; A tripod unlocking unit includes a front unlocking lever pivotably pivoted on the tripod and connected to the third link lever, and a pivotally pivotable pivoted on the tripod and connected to the fourth link lever Rear unlocking operating lever, and a tripod unlocking operating member movably mounted on the tripod, the tripod unlocking operating member has a front end portion connected to the front unlocking operating lever, and a Rear end; and A side-turning unit includes a side-turning fixing seat, a turn-over seat pivotably pivoted on the side-turning fixing seat and consolidating the seat cushion bracket, installed between the side-turning fixing seat and the turn-over seat At least one side turning elastic member, and at least one side turning pivot rod interposed between the side turning fixing seat and the turning seat and the at least one side turning elastic member, the turning seat can be opposite to the side turning fixing seat Between an expanded position and a folded position. The seat device capable of being folded and folded according to claim 1, wherein the elastic member for toppling is a torsion spring, and has a first leg against the fixing seat of the toppling, and a turning against the flip The second foot of the seat. The seat device capable of folding and folding according to claim 1, wherein the number of the at least one side-turning elastic member is two, each side-turning elastic member is a torsion spring, and has a first leg and a A second leg, the rollover fixing base has two fixed abutments, the flip base has two pivot ears, each rollover elastic member is installed between a respective fixed abutment block and the pivot ear, and the first leg Against the fixed abutment block, the second leg is against the pivot ear. The seat device capable of being folded sideways and folded according to claim 1, wherein the seatback unlocking operation member is a seatback unlocking strap. The side-folding and folding seat device according to claim 1 or claim 4, wherein the tripod unlocking operation member is a tripod unlocking strap. The seat device capable of being folded and folded according to claim 1, wherein the tripod unlocking unit further includes a linking member connected between the front unlocking lever and the third linking lever. The side-folding and folding seat device according to claim 1, wherein the support unit further includes a bipod pivot seat fixed to the seat cushion bracket, and a bipod pivot seat interposed between the bipod pivot seat and the The bipod pivot between the tripods. The side-folding and folding seat device according to claim 1, wherein the locking group has a bearing plate fixed on the support arm, and two latching blocks swingably mounted on the bearing plate, A set of cams which are placed on the transmission shaft and can be linked by the transmission shaft and can drive the two clamping blocks, two clamping elastics installed between the bearing plate and the cam, and a fixed seat on the connecting seat It also has a fixed cylinder of an internal gear ring located on the outside of the two clamping blocks, and each clamping block has a number of clamping teeth that can be engaged with or disengaged from the internal gear ring.

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