JP2004262354A - Seat storage structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To apply a structure which turns a seat backwardly with a seat back in a forwardly folded condition on a seat cushion, and stores the seat in a recess in a vehicle floor to a vehicle of short overall length by devising the parts layout below the floor. <P>SOLUTION: A third row seat 3 of a vehicle V is supported by a floor 4 in a backwardly turnable manner with a seat back 32 and a head rest 33 in a folded condition. A recess 41 is formed behind the third row seat 3 on the floor 4 of the vehicle V, and the third row seat 3 is stored in the recess 41 when the third row seat 3 is folded and backwardly turned. A silencer 5 disposed before the recess 41 has an elliptical shape, and laid out so that the longitudinal direction thereof is matched with the vehicle width direction, and the major axis of an ellipse as a section perpendicular to the longitudinal direction is matched with the vertical direction of the vehicle. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a structure for storing a seat of a vehicle, and more specifically, to a structure for storing the seat in a concave portion provided in a rear portion of the seat on a floor of the vehicle.
[0002]
[Prior art]
BACKGROUND ART Conventionally, as a seat storage structure of a vehicle, a structure described in Patent Literature 1 below is known. In this structure, a plurality of seat rows are arranged in the vehicle interior of the vehicle along the vehicle front-rear direction, and the rearmost seat is stored in a recess provided in a floor portion behind the seat, and the seat arrangement is performed. A flat surface is formed from the portion to the rear thereof.
[0003]
[Patent Document 1]
JP-A-2001-63421
[Problems to be solved by the invention]
However, when the above-mentioned seat storage structure is applied to a vehicle having a relatively short overall length such as a small car, there is a restriction on the overall length, and therefore, it is preferable to position the recess as far as possible in front of the vehicle. However, since components such as a silencer and a fuel tank are usually laid out on the lower surface of the vehicle floor, it is necessary to devise a layout of these components in order to form the recess as far as possible in front of the vehicle. .
[0005]
The present invention has been made in view of the above points, and an object of the present invention is to make a seat back in a folded state by leaning forward on a seat cushion, and then integrally rotate the seat rearward and rearward. The structure to be stored in the floor recess can be applied to vehicles with relatively short overall length by devising the layout of parts provided on the lower surface of the vehicle so that the position of the recess is located as far forward as possible. is there.
[0006]
[Means for Solving the Problems]
A first configuration of the present invention has a seat cushion provided on a floor in a vehicle cabin of a vehicle, and a seat back supported near a rear portion of the seat cushion, wherein the seat back is a rear end of the seat cushion. A seat configured to be able to take a seated state that is substantially upright from the vicinity and a folded state in which the seat back is folded forward on the seat cushion, and provided between the seat and the floor; A pivoting support mechanism for supporting and rotating the seat in the folded state rearward, and the seat formed at the back of the seat on the floor, and the seat in the folded state integrally rotating rearward; In a vehicle seat storage structure having a recess for storing the seat such that the lower surface of the cushion is substantially flush with the floor, (A) A silencer is provided on the lower surface, and the silencer is formed in a substantially elliptical cylindrical shape, and its longitudinal direction substantially coincides with the vehicle width direction, and has a cross section perpendicular to the longitudinal direction. Is arranged in front of the concave portion so that the major axis of the ellipse substantially coincides with the vehicle vertical direction.
[0007]
According to the above configuration, the silencer having a substantially elliptical cylindrical shape is provided on the lower surface of the floor of the vehicle such that the longitudinal direction thereof substantially coincides with the vehicle width direction, and the length of the ellipse as a cross section perpendicular to the longitudinal direction. Since the shaft is arranged in front of the recess for storing the seat so that it substantially coincides with the vertical direction of the vehicle, the length in the front-rear direction occupied by the silencer after being placed in the vehicle sacrifices the capacity of the silencer. It becomes shorter without it. Therefore, it is possible to form the concave portion forward by that amount, and the seat back is made to lie down on the seat cushion to be folded, and then the seat is integrally rotated backward and stored in the floor concave portion of the vehicle. Can be realized by a vehicle having a relatively short overall length.
[0008]
In a second configuration of the present invention, the rotation support mechanism supports the seat such that a rear end of the seat in a seated state is located rearward of a front end of the concave portion.
[0009]
According to the above configuration, when the seat is in the seated state, the rear portion of the seat cushion and the front portion of the concave portion overlap. Therefore, it is possible to realize a structure in which the seat is folded and stored in the rear recess while the front-rear length of the vehicle is further reduced by the overlap between the seat and the recess.
[0010]
According to a third configuration of the present invention, the rotation support mechanism can rotate the seat around a rotation axis located between a rear end of the seat and a front end of the recess in the vehicle front-rear direction. The rear end of the sheet before turning backward when the sheet is in the folded state is moved to the front of the turning shaft by turning the sheet backward to be stored in the recess. I will support you as you do.
[0011]
According to the above configuration, when the sheet is turned rearward in the folded state, the rear end moves forward of the rotation axis, so that the position of the stored sheet is relatively forward. become. Therefore, the length of the portion of the vehicle behind the seat can be further reduced.
[0012]
In a fourth configuration of the present invention, the floor is formed so as to rise rearward, and the rotation support mechanism positions the seat between a rear end of the seat and a front end of the recess in the vehicle front-rear direction. The rear end of the sheet before turning to the rear when the sheet is in the folded state is rotated so as to be rotatable around the rotation axis of the sheet, and the sheet is rotated rearward to be stored in the recess. Thereby, it is supported so as to move forward of the rotation shaft and substantially contact the front wall of the concave portion.
[0013]
According to the above configuration, when the sheet is turned rearward in the folded state, the rear end moves forward of the rotation axis, so that the position of the stored sheet is relatively forward. become. Therefore, the length of the portion of the vehicle behind the seat can be further reduced. Further, when the seat is rotated rearward and stored in the concave portion, the rear lower surface of the seat cushion is substantially flush with the floor formed to rise rearward. In this state, the seat pivot angle is smaller than in the state where the lower surface of the seat cushion is substantially horizontal, and the seat front end position in the stored state is located rearward, so that the space in front of the concave portion is enlarged. That is, the capacity of the silencer arranged in the space can be increased. That is, it is possible to increase the capacity of the silencer arranged in front of the concave portion while forming a flat surface from the portion where the seat is arranged to the rear. Further, when an opening that can be opened and closed is provided at the rear part of the vehicle, and a so-called sweep floor is formed in which the lower end of the opening and the floor have substantially the same height, the rear part of the floor is located relatively above. The size of the opening and the door closing the opening can be reduced as much as possible.
[0014]
A fifth configuration of the present invention includes a seat cushion provided on a floor in a vehicle cabin, and a seat back supported near a rear portion of the seat cushion, wherein the seat back is a rear end of the seat cushion. A seat configured to be able to take a seated state that is substantially upright from the vicinity and a folded state in which the seat back is folded forward on the seat cushion, and provided between the seat and the floor; A pivoting support mechanism for supporting and rotating the seat in the folded state rearward, and the seat formed at the back of the seat on the floor, and the seat in the folded state integrally rotating rearward; In a vehicle seat storage structure having a recess for storing the seat such that the lower surface of the cushion is substantially flush with the floor, In front of the recess in A lower surface, the vehicle is arranged a device to be mounted separately to the one in which the floor is configured rearwardly upwards.
[0015]
According to the above configuration, when the seat is rotated rearward and stored in the concave portion, the lower surface of the seat cushion is substantially flush with the floor formed to rise rearward. In this state, the seat pivot angle is smaller than in the state where the lower surface of the seat cushion is substantially horizontal, and the seat front end position in the stored state is located rearward, so that the space in front of the concave portion is enlarged. In other words, the layout of devices separately mounted in the space can be improved. In other words, it is possible to enhance the layout of the device arranged in front of the concave portion while forming a flat surface from the portion where the seat is arranged to the rear. Further, when an opening that can be opened and closed is provided at the rear part of the vehicle, and a so-called sweep floor is formed in which the lower end of the opening and the floor have substantially the same height, the rear part of the floor is located relatively above. The size of the opening and the door closing the opening can be reduced as much as possible.
[0016]
According to a sixth aspect of the present invention, the above-mentioned device has a substantially elliptical cylindrical shape, and the major axis of the ellipse has a cross section perpendicular to the longitudinal direction such that its longitudinal direction substantially coincides with the vehicle width direction. Is a silencer arranged in front of the recess so that the silencer substantially coincides with the vehicle vertical direction.
[0017]
According to the above configuration, the silencer having a substantially elliptical cylindrical shape is provided on the lower surface of the floor of the vehicle such that the longitudinal direction thereof substantially coincides with the vehicle width direction, and the length of the ellipse as a cross section perpendicular to the longitudinal direction. Since the shaft is arranged in front of the recess for storing the seat so that it substantially coincides with the vertical direction of the vehicle, the length in the front-rear direction occupied by the silencer after being placed in the vehicle sacrifices the capacity of the silencer. It becomes shorter without it. Therefore, it is possible to form the concave portion forward by that much.
[0018]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the structure which makes a seat back fall on a seat cushion, makes it into a folded state, and turns a seat integrally back and accommodates in a floor recessed part of a vehicle is provided in the floor lower surface of a vehicle. By devising the layout of the parts so that the position of the concave portion is positioned as forward as possible to the vehicle, it is possible to apply the present invention to a vehicle having a relatively short overall length.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described with reference to FIGS.
[0020]
FIG. 1 is a schematic side view of a vehicle V to which the seat storage structure of the present invention is applied. In the cabin of the vehicle V, three seat rows 1, 2, and 3 are provided along the traveling direction of the vehicle. The first-row seat 1 defines a driver's seat and a passenger seat, and is arranged in front of the vehicle interior (only one is shown in FIG. 1). The second-row seat 2 is in the form of a so-called bench seat, and is arranged behind the first-row seat 1. Similarly, the third row seat 3 is in the form of a bench seat, and is arranged behind the second row seat 2. The driver's seat and the passenger's seat constituting the first-row seat 1, the second-row seat 2, and the third-row seat 3 have a general configuration having a seat cushion, a seatback, and a headrest, respectively. A plurality of headrests are provided on the second-row seat 2 and the third-row seat 3 in the form of a seat along the longitudinal direction of the seatback, depending on the seating position of the occupant. The third-row seat 3 is stored in a manner described later, but FIG. 1 shows the seat in a seatable state.
[0021]
On the floor 4 of the vehicle V, a recess 41 is formed from the portion where the third-row seat 3 is provided to the rear thereof. The concave portion 41 stores the third-row sheet 3 in a manner described later. An opening 6 is provided at the rear end of the vehicle behind the recess 41, and the upper end is opened / closed by a hatch door 7 fixed to the upper end of the opening 6 via a hinge (not shown). The hatch door 7 defines the rear end of the vehicle compartment when the opening 6 is closed. On the other hand, a silencer 5 is disposed in front of the recess 41, specifically, in front of the front wall of the recess 41 on the lower surface of the floor 4 of the vehicle, in a manner described later.
[0022]
Next, regarding the mechanism for storing the third-row seat 3, the concave portion 41, the third-row seat 3 in the concave portion 41, and the structure of the vehicle near the third-row seat 3, the third-row seat 3 is provided in the vehicle V. This will be specifically described with reference to FIGS. 2A to 2C which are enlarged schematic side views of the provided portions. Since the configurations shown in FIGS. 2A to 2C are common, the reference numerals are given only to FIG. 2A, and FIGS. 2B and 2C are omitted.
[0023]
The third row sheet 3 is configured to be able to take three states: a state shown in FIG. 2A, a state shown in FIG. 2B, and a state shown in FIG. 2C. . Specifically, in the state shown in FIG. 2A, the seat cushion 31 is provided substantially horizontally, and a front support mechanism (not shown) provided at the front portion of the lower surface of the seat cushion 31 and provided at the rear portion of the lower surface of the seat cushion 31. The seat back 32 is supported on the floor 4 of the vehicle V via a rear support mechanism 34, the seat back 32 is supported by the seat cushion 31 in a state of being substantially upright from near the rear end of the seat cushion 31, and the headrest 33 is located above the seat back 32. It is supported by. In this state, two occupants can sit on the third-row seat 3. This state is called a sitting state. The state shown in FIG. 2B is supported substantially horizontally as when the seat cushion 31 is in a seated state, and the seat back 32 is placed on the seat cushion 31 while leaning forward from the state shown in FIG. 2A, the headrest 33 is rotated rearward from the state shown in FIG. 2A, and is placed and fixed on the back surface of the seat back 32 in the forward leaning state. This state is called a folded state. The structure in which the seat back 32 is folded forward and fixed on the seat cushion 31 can be realized by using a well-known seat folding mechanism. The configuration in which the headrest 33 is rotated rearward to be positioned on the back of the seat back 32 will be described later in detail. In the state shown in FIG. 2C, the third-row seat 3 is folded rearward from the state shown in FIG. 2B, and is provided behind the third-row seat 3 on the floor 4 of the vehicle V. The state is stored in the recess 41. This state is called a storage state. Although the details will be described later, the mechanism for rotating the third-row seat 3 to the retracted state is configured so that the front support mechanism can be released using a well-known lock mechanism and a striker, and the rear support mechanism 34 is connected to the seat cushion. The front support mechanism is released and the third-row seat 3 in the folded state is rotated rearward around the rotation axis of the rear support mechanism 34 by rotating the third support 31 so as to be rotatable about the rotation axis. It is done by doing. The seat back and the headrest can be fixed in a folded state through a well-known locking mechanism or the like, and the third-row seat 3 can be easily moved from the folded state shown in FIG. 2B to the state shown in FIG. The storage state shown in FIG.
[0024]
The concave portion 41 formed behind the third-row seat 3 on the floor 4 of the vehicle V has a shape capable of storing the third-row seat 3 in a folded state. The third-row seats 3 are stored in a folded state without any substantial gap between the seats 3. Thus, as shown in FIG. 2C, when the third-row seat 3 is in the retracted state, the lower surface of the seat cushion 31 is continuous with the floor surface and forms a substantially flush continuous bottom surface. Although a slight space is formed in front of the lower surface of the seat cushion 31 in the inverted state, a bar 42 is spanned in the vehicle width direction for fixing the seat belt of the third-row seat 3, so that the concave portion 41 is formed. The space between the front floor 4 and the lower surface of the seat cushion 31 is substantially continuous. The floor 4 is configured to rise rearward, and when the third row of seats 3 is in the retracted state, the lower surface of the seat cushion 31 also rises rearward. The rear end of the floor 4 is configured to substantially coincide with the height of the lower edge of the opening 6 formed at the rear of the vehicle V. In the retracted state, the headrest 33 is located between the bottom surface of the concave portion 41 and the seat back 32, and the headrest 33 is in contact with the bottom surface of the concave portion 41, so that the third row of seats 3 is retracted. The wobble of the surface formed by the lower surface of the seat cushion 31 and continuous with the floor 4 is prevented.
[0025]
On the other hand, the silencer 5 disposed in front of the recess 41 on the lower surface of the floor 4 of the vehicle V has an elliptical cylindrical shape, and its major axis substantially coincides with the vehicle width direction, and has a major axis of an ellipse as a sectional shape. It is arranged so that the direction substantially coincides with the vertical direction of the vehicle. By forming the silencer 5 in such a shape and arrangement, the length of the silencer 5 in the front-rear direction when it is arranged in the vehicle V can be reduced while securing the capacity of the silencer 5, and as a result, the concave portion 41 And contributes to shortening the front-rear length of the vehicle V. Depending on the vehicle V, other components such as a fuel tank may be laid out instead of the silencer 5, but in any case, the silencer 5 and the fuel tank, etc., are provided in front of the recess 41 on the lower surface of the floor 4 of the vehicle V. Parts will be attached separately.
[0026]
In the storage structure of the third-row seat 3 according to the present invention, in order to realize the above-mentioned seat storage structure in a vehicle having a relatively short overall vehicle length, the positional relationship between the third-row seat 3 and the concave portion 41, the third-row seat, The position of the rear support mechanism that rotationally supports the third sheet 3 and the rotation locus of the third-row seat 3 are also devised. These will be described with reference to FIGS. 3A and 3B, which are side views showing the rotating state of the third row seat 3. In FIG. 3A, a solid line indicates the third row seat 3 in the folded state, and a broken line indicates the third row seat 3 in the stored state.
[0027]
In the state before the rotation, the rear end of the third-row seat 3, that is, the rear portion RE of the seat cushion 31, is located rearward in the vehicle front-rear direction with respect to the front end 4F of the recess 41, and the third-row seat 3 and the recess Reference numeral 41 indicates a positional relationship in which the vehicle overlaps in the vehicle front-rear direction. Therefore, depending on the size of the third-row seat 3 and the layout of other parts of the vehicle V, this contributes to shortening the overall length of the vehicle V by the overlap.
[0028]
The rear support mechanism 34 that rotatably supports the third row of seats 3 is provided between the rear end RE of the seat cushion 31 and the front end 4F of the recess 41 in the vehicle front-rear direction. Specifically, a pair of members are provided on the upper surface of both sides of the concave portion 41 on the floor 4, and these rotatably support the seat cushion 31 on both sides thereof via brackets (not shown). . The pivot portion B, that is, the center of rotation, is located between the rear portion RE of the seat cushion 31 and the front end 4F of the concave portion 41 in the vehicle longitudinal direction before the seat rotation. As is clear from FIG. 3A, the rear part RE of the third-row seat 3 when the third-row seat 3 is in the folded state before the rotation is located behind the rotation center of the rear-side support mechanism 34. However, when the third-row seat 3 is rotated and stored in the concave portion 41, that portion moves forward, and is located forward of the center of rotation. At that time, the rear part RE of the seat 3 comes into contact with the front wall of the concave part. By configuring the rear-side support mechanism 34 in this manner, even if the third-row seat 3 and the recess 41 overlap in the vehicle front-rear direction as described above, the third-row seat 3 is rotated rearward. It can be stored in the recess 41.
[0029]
Further, as shown by a dashed line in FIG. 3A, the outer edge of the rotation locus when the third row of seats 3 in the folded state is rotated backward is the outer edge of the rotation locus of the seat cushion 31. And the outer edge of the rotation trajectory of the seat back 32 substantially overlaps, and the outer edge of the trajectory substantially overlaps the rear edge 4R of the recess 41 in the retracted state. Further, when the third-row seat 3 is in the folded state, and the headrest 33 is rotated rearward and is in contact with the back surface of the seatback 32, the headrest 33 is configured to be inside the above-described rotation locus. (A support mechanism for rotating the headrest 33 in this manner will be described later.) Therefore, the headrest 33 does not contribute to the rotation locus of the third-row seat 3 in the folded state, and the front and rear length of the concave portion 41 is shortened accordingly. Further, as described above, since the outer edge of the rotation trajectory of the seat cushion 31 and the outer edge of the rotation trajectory of the seat back 32 substantially overlap, the end of the seat cushion 31 on the opposite side to the rotation center is The third row of seats 3 is stored in the recess 41 so that the end opposite to the center of rotation of the back 32 draws substantially the same locus. Assuming that the outer edge of one rotation locus is outside the other, the shape of the recess 41 needs to be determined according to the direction of drawing the outer rotation locus, and the third-row sheet 3 is stored. In such a case, an extra dead space may be generated in the concave portion 41. Dead space generated in the concave portion 41 when the sheet 3 is stored can be minimized, which contributes to downsizing of the concave portion 41.
[0030]
The distance from the center of rotation to the interior surface of the hatch door 7 is longer than the distance from the center of rotation to the outer edge of the turning locus of the folded seat 3, and the vehicle V when the third-row seat 3 turns. The rear hatch door 7 does not interfere. That is, the occupant can perform the operation of storing the third-row seats 3 in the rear recess 41 from the vehicle interior with the hatch door 7 closed.
[0031]
Further, as described above, the rear portion of the third-row seat 3 on the floor 4 is configured to rise rearward, and when the third-row seat 3 is in the retracted state, the lower surface of the seat cushion 31 similarly rises rearward. It is made to become. That is, when the third-row seat 3 is in the stowed state, the third-row seat 3 does not rotate until the lower surface of the seat cushion 31 becomes substantially horizontal, and the third-row seat 3 does not rotate around the pivot portion B, which is the center of rotation. The third row of seats 3 in the retracted state remains at a position slightly rotated upward from the state, and is located rearward as compared with the case where the third row of seats 3 is in the horizontal state. As described above, the silencer 5 is mounted in front of the concave portion 41. As shown in FIG. 3B, the front part of the third row seat 3 in the stored state is the lower surface of the seat cushion 31. Since the front end of the seat back 32 is located rearward by the length L by an amount corresponding to the rear end of the silencer 5, the front end 4F of the recess 41 can be located rearward. The layout can be improved or the capacity of the silencer 5 can be increased. Therefore, a structure is realized in which the third-row seats 3 are folded and rotated backward and stored without restricting the layout and size of components mounted on the floor 4 of the vehicle V such as the silencer 5 as much as possible. Further, when the floor 4 is configured to rise rearward, when the floor 4 is formed as a so-called sweep floor, the rear end of the floor 4 is located relatively upward, so that the vehicle V The opening 6 and the hatch door 7 provided at the rear of the vehicle can be reduced in size.
[0032]
Next, a headrest support mechanism will be described with reference to FIGS.
[0033]
FIG. 4 is a schematic side view of the support mechanism 35 of the headrest 33 when the third-row seat 3 is in a seated state. The headrest 33 is supported by the support mechanism 35 above the seat back 32 when the third-row seat is in the third seated state. The support mechanism 35 is provided between the seat back frame 321 and the headrest frame 331 inside the upper part of the seat back 32, and the head rest 33 is supported by the upper part of the seat back 32 (the first state and the second state). ) And a state in which the third row of seats 3 is rotated rearward and is in contact with the rear surface of the seat back 32 (referred to as a second state). A concave portion 323 is formed on the back surface of the seat back 32, and the headrest 33 is housed in the concave portion 323 when the headrest 33 is in the second state.
[0034]
Specifically, as shown in FIG. 5, which is a perspective view of the headrest 33 in the first state as viewed from behind, the support mechanism 35 includes a pair of brackets 351 welded to the seat back frame 321. 351, a pair of seatback-side sleeves 354 welded to the seatback frame 321, a pair of headrest-side sleeves 353 welded to the pipe 352, and a pair of seats. A substantially U-shaped rod 355 includes two linear insertion portions 356 that can be inserted into the back sleeve 354 and the pair of headrest side sleeves 353, and a connection portion 357 that connects lower ends of the insertion portions. ing. A spring (not shown) is provided in the seat back side sleeve 354, and urges the insertion portion 356, that is, the rod 355 upward. A headrest frame 331 is further welded to the pipe 352, and the headrest side sleeve 353 is integrally rotated by the rotation of the headrest frame 331. The support mechanism 35 having such a configuration is provided inside the cushion of the seat back 32, but illustration of the cushion is omitted in FIG.
[0035]
In the state shown in FIG. 5, that is, when the headrest is in the first state, the insertion portion 356 of the rod 355 is inserted through both the seatback side sleeve 354 and the headrest side sleeve 353, so that the headrest side sleeve 353 is fixed. Therefore, the pipe 352, that is, the headrest frame 331 cannot rotate. On the other hand, when the rod 355 is pulled downward, the insertion portion 356 moves downward and comes out of the headrest side sleeve 353, and the pipe 352, that is, the headrest frame 331 becomes freely rotatable rearward. It can be in the second state.
[0036]
On the other hand, as shown in FIG. 6 which is a perspective view seen from the rear, the headrest 33 is provided between the first position and the second position on the trim 322 which covers the seat back 32 and the back surface of the seat back 32. A cutout 324 is formed in accordance with the movement trajectory of the headrest frame 331 to allow the headrest frame 331 to move. As described above, the trim 322 is provided with the concave portion 323 that is accommodated when the headrest 33 is rotated backward, but the rod connecting portion 357 is exposed from the upper surface of the concave portion 323. It is possible to perform an operation of pulling the connecting portion 357 downward so as to rotate the headrest 33 backward. In FIG. 6, the headrest 33, the headrest frame 331, and the connecting portion 357 are indicated by broken lines.
[0037]
In addition, as shown in FIG. 5, which is a schematic side view of the pipe 352, the insertion portion 356, and the headrest side sleeve 353 viewed from the direction of arrow A in FIG. 5, the upper end surface of the insertion portion 356 has a shape inclined forward. It has been. By adopting such a shape, when returning the headrest 33 from the second position to the first position, the operation of pulling the rod 355 downward becomes unnecessary. That is, when the headrest 33 is in the second state, as shown in FIG. 7A, the headrest-side sleeve 353 is rotated around the pipe 352 to a position opposite to the insertion portion 356. is there. When returning the headrest 33 from the second position to the first position, as shown in FIG. 7B, the headrest side sleeve 353 rotates counterclockwise, and the inclined surface at the upper end of the insertion portion 356 from the front. In the state of contact, the end portion and the side portion of the headrest side sleeve 353 move while pushing the insertion portion 356 downward. Then, as shown in FIG. 7C, when the axis of the headrest-side sleeve 353 and the axis of the insertion portion 356 are finally aligned, the insertion portion 356 of the rod 355 urged upward moves into the headrest-side sleeve 353. And the headrest 33 is fixed at the first position.
[0038]
Thus, FIG. 8A is a side view of a state in which the seat back 32 of the third row of seats 3 is turned forward and the headrest 33 is rotated backward (the third row of seats is folded). As shown in FIG. 7, the seat cushion 31, the seat back 32, and the headrest 33 are substantially horizontally overlapped. In this case, the headrest 33 is accommodated in the recess 323 on the back surface of the seat back 32 as shown in FIG. 8B, which is a cross-sectional view taken along the line CC of FIG. The thickness from the lower surface of the minute seat cushion 31 to the upper surface of the headrest 33 is small. The concave portion 323 has a size that does not protrude toward the seating surface side of the seat back frame 322 of the seat back 32 and secures a cushion thickness on the seating surface side, so that the sitting comfort is not deteriorated.
As described above, the preferred embodiments of the present invention have been described. However, it is needless to say that the present invention is not limited to the above embodiments, and that various modifications can be made without departing from the spirit of the invention. .
[Brief description of the drawings]
FIG. 1 is a schematic side view of a vehicle to which a seat storage structure according to the present invention is applied.
FIG. 2 shows (a) a case where the third-row seat is in a seated state, (b) a case where the third-row seat is in a folded state, and (c) a case where the third-row seat is in a stowed state, respectively. It is an expansion schematic side view.
FIG. 3A is a side view showing a rotating state of a third-row seat, and FIG. 3B is a diagram comparing a case where the seat cushion lower surface is in a horizontal state and a case where it is raised rearward in a seat in a stored state. It is.
FIG. 4 is a schematic side view of the headrest support mechanism when a third-row seat is in a seated state.
FIG. 5 is a rear perspective view of a configuration of a headrest portion in a first state, excluding a headrest cushion and a seatback cushion.
FIG. 6 is a perspective view of the seat back as viewed from the rear.
FIG. 7 is a schematic side view of the pipe, the insertion portion, and the headrest side sleeve in FIG. 5 when viewed from the direction of arrow A. (a) Third row when the third row seat is in a folded state It is a side view of a sheet, (b) It is CC sectional view taken on the line of FIG.8 (a).
[Explanation of symbols]
3 3rd row sheet (sheet)
4 floor 5 silencer (equipment)
31 seat cushion 32 seat back 34 rear support mechanism (rotation support mechanism)
41 Recess 4F Recess front end 4R Recess rear end B Shaft support (rotation axis)
RE Rear of the seat cushion 31 (rear end of the seat)
V vehicle

Claims (6)

A seat cushion provided on a floor in a vehicle interior of a vehicle, and a seat back supported near a rear portion of the seat cushion, wherein the seat back is substantially upright from near a rear end of the seat cushion; A seat configured so that the seat back can assume a folded state in which the seat back is folded forward on the seat cushion;
A rotation support mechanism that is provided between the seat and the floor, supports the seat, and rotates the seat in the folded state backward.
A recess formed in the floor behind the seat so that the lower surface of the seat cushion is substantially flush with the floor when the folded seat is rotated rearward integrally; In a vehicle seat storage structure,
A silencer is provided on the lower surface of the floor,
The silencer is configured in a substantially elliptical cylindrical shape, and the major axis of the ellipse as a cross section perpendicular to the longitudinal direction is substantially the same as the vertical direction of the vehicle so that its longitudinal direction substantially coincides with the vehicle width direction. A seat storing structure for a vehicle, wherein the seat storing structure is arranged so as to coincide with the front of the concave portion. 2. The rotating support mechanism according to claim 1, wherein the seat supports the seat such that a rear end of the seat in a seated state is located behind a front end of the recess. Vehicle seat storage structure. The rotation support mechanism allows the seat to rotate around a rotation axis located between the rear end of the seat and the front end of the recess in the vehicle front-rear direction, and the seat is folded. The rear end of the sheet before being rotated rearward at a certain time is supported by moving the sheet rearward so as to be stored in the concave portion so as to move forward of the rotation axis. The vehicle seat storage structure according to claim 2, wherein: The floor above is formed upwards,
The rotation support mechanism allows the seat to rotate around a rotation axis located between a rear end of the seat and a front end of the recess in the vehicle front-rear direction, and the seat is in a folded state. The rear end of the sheet before being rotated rearward at some time is moved backward by rotating the sheet rearward so as to be stored in the recess, so that the rear end of the sheet substantially moves to the front wall of the recess and is substantially in contact with the front wall of the recess. 3. The seat storage structure for a vehicle according to claim 2, wherein the vehicle seat is supported so as to be in contact with the vehicle. A seat cushion provided on a floor in a vehicle interior of a vehicle, and a seat back supported near a rear portion of the seat cushion, wherein the seat back is substantially upright from near a rear end of the seat cushion; A seat configured so that the seat back can assume a folded state in which the seat back is folded forward on the seat cushion;
A rotation support mechanism that is provided between the seat and the floor, supports the seat, and rotates the seat in the folded state backward.
A recess formed in the floor behind the seat so that the lower surface of the seat cushion is substantially flush with the floor when the folded seat is rotated rearward integrally; In a vehicle seat storage structure,
On the lower surface of the floor, in front of the concave portion, devices to be separately mounted on the vehicle are arranged,
A seat storage structure for a vehicle, wherein the floor is configured to rise rearward. The above device has a substantially elliptical cylindrical shape, and the longitudinal direction thereof substantially coincides with the vehicle width direction, and the major axis of the ellipse as a cross section perpendicular to the longitudinal direction substantially coincides with the vehicle vertical direction. 6. The vehicle seat storage structure according to claim 5, further comprising a silencer disposed in front of said recess.

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