KR20240037752A - Seat folding device for vehicle - Google Patents

Abstract

According to the present invention, a folding locking unit coupled to the rotation axis of the seatback to lock or unlock the seatback to the seat cushion; A connecting portion provided with a first ring at one end and connected to the folding locking portion at the other end to unlock the folding locking portion when the first ring moves; and a shape bent in the vertical direction, once connected to the seatback structure, extended downward, passed through the first ring, and then bent upward, so that the other end is connected to the seatback structure, and when one end or the other end moves, the first ring is bent upward. A vehicle seat folding device including a moving main strap is introduced.

Description

Vehicle seat folding device {SEAT FOLDING DEVICE FOR VEHICLE}

The present invention relates to a vehicle seat folding device, and specifically to a technology for expanding the trunk space of a vehicle by folding the rear seat of the vehicle forward.

Typically, seats in passenger cars include bucket seats, bench seats, and reclining seats; A bucket seat refers to a seat that allows each passenger to maintain a comfortable body position. Since the seat is divided into single seats, it is also called a separate seat. A bench seat is a bench-shaped seat used in the back seat of a passenger car and is used in contrast to a bucket seat. A reclining seat is a seat with an adjustable seatback, and in addition to being able to drive properly, it is also designed to allow you to lie down and sleep for rest.

A rear seatback folding device according to the prior art includes a bracket assembly, a pawl, and a latch. The pawls and latches are each rotatably inserted into the shaft portion formed in the bracket assembly, and springs are provided to each of the pawls and latches to bias the pawls and latches in one direction. A locking protrusion is formed on the pawl, and a groove is formed on the latch to accommodate the striker that is locked to the package tray. When the latch contacts the striker, the latch is rotated counterclockwise, and when the latch exceeds the locking jaw of the pawl, the striker is inserted into the groove of the latch. At this time, the latch begins to rotate clockwise again, and the clockwise rotation of the latch is supported by the locking protrusion of the pawl, so that the latch and the pawl are in a locked state. When the rod is pushed in the locked state, the pawl rotates clockwise to release the restraint state of the latch. As a result, the latch rotates clockwise and returns to its initial state, thereby releasing the locked state of the latch and pawl.

The matters described as background technology above are only for the purpose of improving understanding of the background of the present invention, and should not be taken as acknowledgment that they correspond to prior art already known to those skilled in the art.

KR 10-2012-0021038 A

The present invention was proposed to solve this problem, and its purpose is to provide a folding device for the rear seat of a vehicle through the principle of a pulley using a plurality of straps.

A vehicle seat folding device according to the present invention includes a folding locking unit that is coupled to a rotating shaft connecting the seat back and the seat cushion to lock or unlock the seat back to the seat cushion; A connecting portion provided with a first ring at one end and connected to the folding locking portion at the other end to unlock the folding locking portion when the first ring is moved; and a shape bent in the vertical direction, one end of which is connected to the seatback structure, the other end extending downward and passing through the first ring, then bent upward and connected to the seatback structure, and when one end or the other end moves, the first ring moves upward. Includes a main strap that moves to.

The seatback structure includes a seatback frame and a seatback suspension that extends left and right to connect both ends of the seatback frame. One end of the main strap is movably connected to the top of the seatback frame, and the other end can be bent and extended from the seatback suspension. .

The main strap may be provided with handle portions at one end and the other end, respectively.

The main strap may be located inside the seatback, one end may be exposed to the front of the seatback, and the other end may be exposed to the rear of the seatback.

It may further include an auxiliary strap that has one end locked to the seatback structure and the other end connected to the main strap to assist the force applied to the main strap when the main strap moves to raise the first ring.

A ring is formed in the seatback structure to which one end of the auxiliary strap is connected, and a hook is provided on one end of the auxiliary strap so that it can be caught on the ring.

The seatback structure includes a seatback frame and a seatback suspension that extends left and right to connect both ends of the seatback frame, and the main strap includes a first strap with one end and the other end connected to the seatback structure and one end connected to the seatback structure and extending downward. A second strap may be included, the other end of which passes through the first ring and extends upward and is connected to the first strap.

A second ring is provided at the other end of the second strap, and the first strap may extend downward, penetrate the second ring, and be bent upward.

The seatback structure includes a seatback frame and a seatback suspension that extends left and right to connect both ends of the seatback frame. The main strap includes a first strap with one end and the other end connected to the seatback structure and one end locked to the top of the first ring, and an upper strap. It may include a third strap that extends from the seatback suspension and is then bent downward and extends downward to penetrate the first ring and the other end of which is connected to the first strap.

A second ring is provided at the other end of the third strap, and the first strap may extend downward, penetrate the third ring, and be bent upward.

It may further include a first bracket coupled to the seatback structure and movably connecting one end of the main strap.

The main strap may further include a limiter connected to the first bracket to limit the moving distance of the main strap.

The connection part may include a wire part connecting the first ring and the folding locking part, a cover part covering the outside of the wire part, and a second bracket connecting the cover part to the seatback structure.

In the vehicle seat folding device according to the present invention, the main strap is bent in the vertical direction, and is formed so that a ring passes through the connection part connected to the reclining folding locking part of the seat at the bent portion at the bottom, so that when one end or the other end of the main strip moves, the ring is folded. By moving upward and unlocking the folding locking portion, the number and size of parts can be simplified compared to conventional vehicle seat folding devices, which has the effect of reducing manufacturing costs.

Additionally, in various embodiments of the present invention, additional straps and rings are provided to the main strap, which has the effect of reducing the amount of force applied to one end and the other end of the main strap to move the ring of the connection part.

1 is a perspective view of a vehicle seat folding device according to a first embodiment of the present invention;
2 is a side view of a vehicle seat folding device according to a first embodiment of the present invention;
3 is a perspective view of a vehicle seat folding device according to a second embodiment of the present invention;
4 is a side view of a vehicle seat folding device according to a second embodiment of the present invention;
5 is a perspective view of a vehicle seat folding device according to a third embodiment of the present invention;
6 is a side view of a vehicle seat folding device according to a third embodiment of the present invention;
Figure 7 is a perspective view of the operation of the second strap included in the vehicle seat folding device according to an embodiment of the present invention;
8 is a side view of a third strap included in the vehicle seat folding device according to an embodiment of the present invention;
9 to 10 are diagrams illustrating folding of a vehicle seat folding device according to an embodiment of the present invention;
Figure 11 is a side view of the folding locking portion included in the vehicle seat folding device according to an embodiment of the present invention.

Hereinafter, embodiments disclosed in the present specification will be described in detail with reference to the attached drawings. However, identical or similar components will be assigned the same reference numbers regardless of reference numerals, and duplicate descriptions thereof will be omitted.

The suffixes “module” and “part” for components used in the following description are given or used interchangeably only for the ease of preparing the specification, and do not have distinct meanings or roles in themselves.

In describing the embodiments disclosed in this specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed descriptions will be omitted. In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed in this specification is not limited by the attached drawings, and all changes included in the spirit and technical scope of the present invention are not limited. , should be understood to include equivalents or substitutes.

Terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this specification, terms such as “comprise” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Conventionally, a vehicle seat folding device was provided on the rear seat to fold the seatback of the rear seat forward in order to expand the trunk space of the vehicle.

A conventional vehicle seat folding device is provided with a lever connected to a folding locking unit that locks the seatback and a strap for moving the lever, so that when a passenger moves the strap, the lever rotates to unlock the folding locking unit and fold the seat.

However, the conventional lever structure is complex, which increases the manufacturing cost, and as the space occupied inside the seatback by the conventional vehicle seat folding device increases, the thickness of the seatback increases.

In order to solve this problem, one embodiment of the present invention proposes a vehicle seat folding device that eliminates the lever structure and can unlock the folding locking portion only with a strap.

Figure 1 is a perspective view of a vehicle seat folding device according to a first embodiment of the present invention, Figure 2 is a side view of a vehicle seat folding device according to a first embodiment of the present invention, and Figure 3 is a second embodiment of the present invention. A perspective view of a vehicle seat folding device, FIG. 4 is a side view of a vehicle seat folding device according to a second embodiment of the present invention, FIG. 5 is a perspective view of a vehicle seat folding device according to a third embodiment of the present invention, and FIG. 6 is a view of a vehicle seat folding device according to a third embodiment of the present invention. This is a side view of the vehicle seat folding device according to the third embodiment.

Let's look at a preferred embodiment of the vehicle seat folding device according to the present invention with reference to FIGS. 1 to 6.

The vehicle seat folding device according to the present invention specifically includes a folding locking unit 500 that is coupled to a rotating shaft connecting the seat back and the seat cushion to lock or unlock the seat back to the seat cushion; A connecting portion 400 provided with a first ring 410 at one end and connected to the folding locking portion 500 at the other end so that the locking of the folding locking portion 500 is released when the first ring 410 moves; and a shape bent in the vertical direction, one end of which is connected to the seatback structure 100, and the other end extending downward, passing through the first ring 410, and then bending upward to connect to the seatback structure 100. Or, it includes a main strap 200 that moves the first ring 410 upward when the other end is moved.

The main strap 200 is formed to be bent in a vertical direction at a plurality of parts, one end of which may extend upward and the other end may extend downward. One end and the other end of each may be movably connected to the seatback structure 100. As an example, when one end of the main strap 200 is moved, the other end of the main strap 200 is connected to be locked to the seatback structure 100, and when the other end of the main strap 200 is moved, the main strap 200 One end of may be connected to the seatback structure 100 to be locked.

9 to 10 are views showing the folding of the vehicle seat folding device according to an embodiment of the present invention, and FIG. 11 is a side view of the folding locking unit 500 included in the vehicle seat folding device according to an embodiment of the present invention. am.

As shown in FIG. 11, the folding locking unit 500 is provided on a rotation axis where the seatback structure 100 is rotatably connected to the seat cushion in the front and rear directions of the vehicle to lock the rotation of the seatback, and when the lock is released, the seatback structure 100 (100) can be rotated forward.

As shown in Figures 9 and 10, when the locking of the folding locking unit 500 is released, the seatback structure 100 is rotated toward the front of the vehicle based on the rotation axis coupled to the seat cushion to expand the trunk space of the vehicle. You can do it.

The connection part 400 has one end connected to the folding locking part 500 and the other end connected to the main strap 200, so that when one end or the other end of the main strap 200 moves, the other end moves along the main strap 200 and folds. The locking unit 500 may be released.

As shown in FIG. 2, a first ring 410 may be provided at the other end of the connection portion 400, and the main strap 200 extends downward, passes through the first ring 410, and extends upward. It can be bent and extended. Through this, the first ring 410 can be moved upward when one end or the other end of the main strap 200 is moved, and as the first ring 410 is moved upward, the locking of the folding locking unit 500 can be released. there is.

The structure of the main strap 200 and the first ring 410 forms a structure of a movable pulley, so that when force is applied to move one end or the other end of the main strap 200, the first ring 410 moves upward. It has the effect of reducing the force required to fold by half, and also, through this structure, the size occupied inside the seatback structure 100 can be reduced compared to a conventional seat folding device, thereby reducing manufacturing costs. There is a possible effect.

As shown in FIG. 1, the seatback structure 100 in the present invention may include a seatback frame 110 and a seatback suspension 120 extending left and right to connect both ends of the seatback frame 110.

One end of the main strap 200 is movably connected to the top of the seatback frame 110, and the other end may be bent and extended from the seatback suspension 120.

As shown in FIG. 1, one end of the main strap 200 extends upward after penetrating the first ring 410 and can be movably connected to the top of the seatback frame 110, and the seatback suspension 120 is bent. The other end extending downward can be placed on the seatback at a position spaced apart from the end.

Through this, one end and the other end of the main strap 200 can be arranged to be spaced apart from each other in different positions.

Specifically, the main strap 200 may be located inside the seatback, one end may be exposed to the front of the seatback, and the other end may be exposed to the rear of the seatback.

As shown in FIGS. 9 and 10, one end of the main strap 200 is connected to the upper part of the seatback structure 100, and one end extends upward to the upper part of the seatback frame 110 and is exposed to the outside, and the seatback suspension 120 The other end bent downward and extended may be exposed to the rear of the seatback structure 100.

Accordingly, when folding the seat on the interior side of the vehicle, force is applied to one end to move the first ring 410 upward, and force is applied to the other end to fold the seat from the trunk side of the vehicle to fold the first ring 410. It can be moved upward.

Through this, the seats can be folded both on the interior side and the trunk side of the vehicle.

Additionally, the main strap 200 may be provided with handle portions 201 and 202 at one end and the other end, respectively.

1 to 6, handle portions 201 and 202 may be provided at one end and the other end of the main strap 200 exposed to the outside of the seatback structure 100, respectively, so that a passenger can easily apply force. These handle portions 201 and 202 are formed by folding one end and the other end of the main strap 200 in the direction opposite to the direction in which the main strap 200 is extended and then sewing them while the main strap 200 overlaps to form the handle portions 201 and 202 or as separate products. Can be combined at one end and the other end.

In general, the handle portions 201 and 202 may be sewn to reduce costs.

One end is locked to the seatback structure 100, and the other end is connected to the main strap 200 to assist the force applied to the main strap 200 when the main strap 200 moves to raise the first ring 410. It may further include an auxiliary strap 300.

As shown in Figures 1 and 2, one end of the auxiliary strap 300 may be coupled to the seatback suspension 120 of the seatback structure 100, and the other end may be sewn to the middle of the main strap 200.

Through this, when one end of the main strap 200 is moved through an external force and the first ring 410 moves upward, the fixing strap fixes the other end of the main strap 200 so that it does not move, allowing the first ring to move upward. there is.

Specifically, in order to couple the auxiliary strap 300 to the seatback structure 100, a ring 130 to which one end of the auxiliary strap 300 is connected is formed in the seatback structure 100, and a hook is attached to one end of the auxiliary strap 300. (310) is provided so that it can be hung on the ring (130).

As the hook formed at one end of the auxiliary strap 300 makes it easier to fasten and unfasten the seatback structure 100 and the auxiliary strap 300, the maintainability of the main strap 200 and the auxiliary strap 300 will be improved. You can.

It may further include a first bracket 600 coupled to the seatback structure 100 and movably connecting one end of the main strap 200.

As shown in FIGS. 1 to 6, the first bracket 600 may be coupled to the seatback frame 110 included in the seatback structure 100, and one end of the upwardly extending main strap 200 is connected to the first bracket 600. It extends movably to the bracket 600, and at this time, one end of the main strap 200 may be connected to the first bracket 600 so as not to enter the interior of the seatback structure 100.

After force is applied to one end of the main strap 200 through the handle parts 201 and 202 to move one end, when the first ring 410 moves downward, the handle parts 201 and 202 are caught on the first bracket 600 and the main strap 200 is moved. It is possible to prevent one end of the strap 200 from being inserted into the seatback structure 100.

The main strap 200 may further include a limiting portion 203 that is connected to the first bracket 600 and limits the moving distance of the main strap 200.

As shown in FIG. 2, the main strap 200 has a limiter 203 that limits the movement distance and can be connected to the first bracket 600, and the limiter 203 overlaps the main strap 200. It can be formed so that both ends are sewn in the sewn state.

Through this, when force is applied to one end of the main strap 200, the limiter 203 limits the movement of the main strap 200, so the main strap 200 does not move beyond the designed moving distance of the connection part 400. Damage to the connection portion 400 and the folding locking portion 500 can be prevented.

In addition, the movement distance of the other end of the main strap 200 can be limited by the auxiliary strap 300, and when force is applied to the other end of the main strap 200, the length of the main strap 200 exceeds the length of the auxiliary strap 300. When the other end moves, the movement of the other end of the main strap 200 may be stopped by the tension of the auxiliary strap 300.

The connection part 400 includes a wire part 420 connecting the first ring 410 and the folding locking part 500, a cover part 430 that covers the outside of the wire part 420, and a cover part 430 that is attached to the seatback structure. A second bracket 440 connected to 100 may be included.

As shown in Figures 1, 3, and 5, as an embodiment of the connection part 400, the connection part 400 includes a wire part 420 connecting the first ring 410 and the folding locking part 500, and a wire part ( A cover part 430 covering the 420 is provided so that when the first ring moves, the wire part 420 can be moved together, and the wire part 420 can be moved within the cover part 430.

The second bracket 440 is provided to fix the cover part 430 to the seatback structure 100, and the second bracket 440 couples the end of the cover part 430 on the first ring 410 side to the seatback structure 100 to secure the cover part 430 to the seatback structure 100. (430) can be fixed.

The following discloses a second embodiment according to the present invention.

As shown in FIGS. 3 and 4, the seatback structure 100 includes a seatback frame 110 and a seatback suspension 120 extending left and right to connect both ends of the seatback frame 110, and a main strap 200. There is a first strap 210 with one end and the other end connected to the seatback structure 100, one end connected to the seatback structure 100, extending downward, passing through the first ring 410, and the other end extending upward. A second strap 220 connected to the first strap 210 may be included.

In the second embodiment of the present invention, the main strap 200 is divided into a first strap 210 and a second strap 220, and the first strap 210 is the main strap in the first embodiment of the present invention ( 200).

Accordingly, one end of the first strap 210 is movably connected to the top of the seatback structure 100, and may extend downward and then be bent to extend upward. The first strap 210 bent downward may be connected to the other end of the second strap 220.

The second strap 220, the other end of which is connected to the first strap 210, extends downward from the other end, penetrates the first ring 410, is bent upward, and then has one end connected to the seatback structure 100.

Specifically, one end of the second strap 220 may be connected to the seatback suspension 120 included in the seatback structure 100, and the seatback suspension 120 may be provided in plural, and the first suspension 121 and the second suspension 120 may be connected to the seatback suspension 120. 2 Suspension 122 may be included, and an auxiliary strap 300 may be connected to the first suspension 121 and a second strap 220 may be connected to the second suspension 122.

Through this, an additional movable pulley structure is formed by adding the second strap 220, thereby dividing F/2, which is the force for lifting the first ring 410 upward in the first embodiment shown in FIG. 2, in half. There is an effect that can be formed with 4.

Figure 7 is a perspective view of the operation of the second strap 220 included in the vehicle seat folding device according to an embodiment of the present invention.

As shown in FIG. 7, the second strap 220 is provided with a second ring 221 at the other end, and the first strap 210 extends downward, penetrates the second ring 221, and is bent upward. You can.

As shown in Figures 3 and 4, a second ring 221 is provided at the other end of the second strap 220 that passes through the first ring 410 and is bent upward, and the first strap 210 has a second After passing through the ring, it can be bent upward and extended.

Through this, the first strap 210 and the second strap 220 can be connected to each other in a pulley structure.

A hook 222 is provided at one end of the second strap 220 and can be connected to the second suspension 122.

The following discloses a third embodiment according to the present invention.

As shown in FIGS. 5 and 6, the seatback structure 100 includes a seatback frame 110 and a seatback suspension 120 extending left and right to connect both ends of the seatback frame 110, and a main strap 200. There is a first strap 210, one end of which is connected to the seatback structure 100, and one end of which is locked on the upper part of the first ring 410, extends upward, and then is bent downward in the seatback suspension 120 and is bent downward. A third strap 230 may be included, extending through the first ring 410 and having the other end connected to the first strap 210.

In the third embodiment of the present invention, the main strap 200 is divided into a first strap 210 and a third strap 230, and the first strap 210 is the main strap in the first embodiment of the present invention ( 200).

Accordingly, one end of the first strap 210 is movably connected to the top of the seatback structure 100, and may extend downward and then be bent to extend upward. The first strap 210 bent downward may be connected to the other end of the third strap 230.

The third strap 230, the other end of which is connected to the first strap 210, may extend downward from the other end, penetrate the first ring 410, bend upward, and then be connected to the seatback structure 100. At this time, the third strap 230 may be bent downward from the seatback suspension 120 of the seatback structure 100 and then one end may be fixed to the first ring 410.

Specifically, the third strap 230 is bent downward from the second suspension 122 and one end extends toward the first ring 410 and is fastened to the first ring 410 to form an additional pulley shape. .

Through this, by adding the third strap 230, an additional movable pulley structure is formed, thereby reducing F/2, which is the force for lifting the first ring 410 upward in the first embodiment shown in FIG. 2, to 1/3. There is an effect that can be formed by dividing it by F/6.

Figure 8 is a side view of the third strap 230 included in the vehicle seat folding device according to an embodiment of the present invention.

As shown in FIG. 8, the third strap 230 is provided with a second ring 221 at the other end, and the first strap 210 may extend downward, penetrate the third ring, and be bent upward.

5 to 6, a third ring is provided at the other end of the third strap 230 that passes through the first ring 410 and is bent upward, and the first strap 210 passes through the third ring. After that, it can be bent upward and extended.

Through this, the first strap 210 and the third strap 230 can be connected to each other in a pulley structure.

Although the invention has been shown and described in relation to specific embodiments, it is commonly known in the art that the present invention can be modified and changed in various ways without departing from the technical spirit of the invention as provided by the following claims. It will be self-evident to those with knowledge.

100: seatback structure 110: seatback frame
120: Seatback suspension 121: First suspension
122: second suspension 130: ring
200: Main strap 201, 202: Handle part
203: limiting portion 210: first strap
220: second strap 221: second ring
222: hook 230: third strap
300: Auxiliary strap 310: Hook
400: Connection 410: First ring
420: wire part 430: cover part
440: Second bracket 500: Folding locking unit
600: 1st bracket

Claims (13)

A folding locking unit coupled to a rotating shaft connecting the seat back and the seat cushion to lock or unlock the seat back to the seat cushion;
A connecting portion provided with a first ring at one end and connected to the folding locking portion at the other end to unlock the folding locking portion when the first ring is moved; and
It has a shape bent in the vertical direction, one end is connected to the seatback structure, the other end extends downward, passes through the first ring, and is then bent upward to connect to the seatback structure. When one end or the other end moves, the first ring moves upward. A vehicle seat folding device including a main strap that moves.
In claim 1.
The seatback structure includes a seatback frame and a seatback suspension that extends left and right and connects both ends of the seatback frame,
A vehicle seat folding device characterized in that one end of the main strap is movably connected to the top of the seatback frame, and the other end is bent and extended from the seatback suspension.
In claim 2,
A vehicle seat folding device characterized in that the main strap is provided with handles on one end and the other end, respectively.
In claim 2,
A vehicle seat folding device characterized in that the main strap is located inside the seatback, one end is exposed to the front of the seatback, and the other end is exposed to the rear of the seatback.
In claim 1,
An auxiliary strap, one end of which is locked to the seatback structure and the other end connected to the main strap, to assist the force applied to the main strap when the main strap moves to raise the first ring. A folding vehicle seat further comprising: Device.
In claim 5,
A ring is formed in the seatback structure to which one end of the auxiliary strap is connected,
A vehicle seat folding device, characterized in that a hook is provided at one end of the auxiliary strap and is caught on the hook.
In claim 1
The seatback structure includes a seatback frame and a seatback suspension that extends left and right and connects both ends of the seatback frame,
The main strap includes a first strap with one end and the other end connected to the seatback structure, and a second strap with one end connected to the seatback structure, extending downwardly, passing through the first ring, and having the other end extending upwardly and connected to the first strap. A vehicle seat folding device, characterized in that.
In claim 7,
The second strap has a second ring at the other end,
A vehicle seat folding device, wherein the first strap extends downward, penetrates the second ring, and is bent upward.
In claim 1,
The seatback structure includes a seatback frame and a seatback suspension that extends left and right and connects both ends of the seatback frame,
The main strap includes a first strap, one end of which is connected to the seatback structure, one end of which is locked on the top of the first ring, and which extends upward, is then bent downward in the seatback suspension, extends downward, penetrates the first ring, and has the other end. A seat folding device for a vehicle, characterized in that it includes a third strap connected to the first strap.
In claim 9,
The third strap has a second ring at the other end,
A vehicle seat folding device, wherein the first strap extends downward, penetrates the third ring, and is bent upward.
In claim 1,
A vehicle seat folding device further comprising a first bracket coupled to the seatback structure and movably connecting one end of the main strap.
In claim 11,
A vehicle seat folding device, characterized in that the main strap further includes a limiting portion that is connected to the first bracket and limits the moving distance of the main strap.
In claim 1,
A vehicle seat folding device, characterized in that the connection part includes a wire part connecting the first ring and the folding locking part, a cover part covering the outside of the wire part, and a second bracket connecting the cover part to the seatback structure.

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