JP4013871B2 - Vehicle seat structure - Google Patents

Description

  The present invention relates to a vehicle seat structure, and more particularly to a rear seat moving mechanism disposed facing a cargo compartment at the rear of a passenger compartment.

2. Description of the Related Art In recent years, various structures for effectively using a limited space in a vehicle interior have been adopted in vehicles. As one of such structures, there is known a structure in which a seat including a seat cushion and a seat back can be folded or moved so that a part of the seat constitutes a wide and flat horizontal surface for placing luggage or the like.
For example, in Japanese Patent Application Laid-Open No. 11-115587 (Patent Document 1), the seat back is moved to the front side of the seat cushion via the link member, so that the back surface of the seat back and the seating surface of the seat cushion are substantially flat. A structure constituting one horizontal plane is disclosed. Japanese Patent Application Laid-Open No. 2000-272394 (Patent Document 2) discloses a seat cushion in which a seat cushion is moved forward about a shaft set in the vicinity of a front end thereof and then a seat back is tilted forward. The structure which makes the back surface of this and the back surface of a seat back substantially flush is disclosed. Further, in Japanese Patent Laid-Open No. 9-142189 (Patent Document 3), after the seat back is folded forward so as to be folded over the seat cushion seating surface, both the seat cushion and the seat back are set near the front end side of the seat cushion. A structure is disclosed in which the back surface of the seat cushion is flush with the floor surface on which the seat cushion is installed during normal use (that is, in a state in which an occupant can be seated) by rotating forward about the axis. . Further, in Japanese Patent Laid-Open No. 2000-108744 (Patent Document 4), after the seat back is folded forward so as to be folded over the seating surface of the seat cushion, the seat cushion and the seat back are parallel to the front via the link member. A structure is disclosed in which the back surface of the seat back is flush with the floor surface on which the seat cushion is installed during normal use.

JP-A-11-115587 JP 2000-272394 A JP 9-142189 A JP 2000-108744 A

  By the way, as a structure for folding or moving the seat, (a) it is necessary to fix and move the seat cushion in order to ensure sufficient strength of the seat cushion that is loaded with weight when the passenger is seated or loaded. (B) The operation when folding or moving the seat is simple, and (c) the dead space in the passenger compartment can be used effectively. In addition, the structure in which the seat can be folded or moved so as to form a horizontal plane for placing luggage or the like is arranged facing the luggage compartment in order to secure a large luggage compartment space at the rear of the passenger compartment. Although it is useful to apply it to the rear seat, in this case, for example, it is possible to use a seat in order to make it easier to load and unload luggage from the tailgate side that opens and closes the luggage compartment and to make the luggage compartment wider in the vehicle height direction. The constructed horizontal plane and the floor surface of the cargo compartment are configured as low as possible, and the horizontal plane constituted by the sheets is substantially flush with the floor surface of the cargo compartment so that long objects can be stably placed. It is preferable that it can be comprised. The prior art described above does not satisfy all of these conditions.

In particular, the present invention eliminates the need to move the seat cushion, can effectively use the dead space in the vehicle interior, and can move the rear seat. Provided is a vehicle seat structure in which a horizontal plane constituted by a seat and a floor surface of a cargo compartment can be configured at a low position and substantially flush with each other in order to realize a large cargo space in the vehicle height direction. It was made for the purpose of doing.
Another object of the present invention is to provide a vehicle seat structure that can be easily operated when the seat is moved.

  According to a first aspect of the present invention, there is provided a vehicle seat structure provided with a seat that is disposed facing a cargo compartment at the rear of the passenger compartment and in which a seat cushion and a seat back are separated from each other. The lower end side of the seat cushion is connected to the floor surface of the passenger compartment so as to be rotatable about an axis along the vehicle width direction on the lower end side, while the upper end side thereof. And a cover member that rotatably supports the seat back around an axis along the vehicle width direction. The seat back itself rotates relative to the cover member, and the cover member By rotating with respect to the floor surface of the passenger compartment on the lower end side, it moves so as to stand in a standing posture on the front side of the seat cushion and on the back side of the other seats arranged in front of the seat. Possible and above The cover member is held so as to be substantially flush with the floor surface of the cargo compartment while covering the upper surface of the seat cushion in a state where the movement of the seat back is completed. is there.

  Further, in the invention according to claim 2 of the present invention, in the invention according to claim 1, a guide member extending in the vertical direction of the seat back body is provided on the side surface of the seat back or in the vicinity of the side surface. The upper and lower ends of the seat back are rotatably connected along the guide member.

  Furthermore, the invention according to claim 3 of the present invention is the invention according to claim 2, wherein the seatback includes a cushion member and a holding member that is provided so as to hold the cushion member. The cover member includes a support frame that supports the seat back in a state in which an occupant can be seated.

  Furthermore, the invention according to claim 4 of the present invention is the invention according to any one of claims 1 to 3, wherein one end of the invention is pivotally connected to the floor of the vehicle compartment, while the others A support member is provided which is rotatably connected to the seat back at an end side and supports the seat back together with the cover member.

  Furthermore, the invention according to claim 5 of the present invention is the invention according to any one of claims 1 to 4, wherein one end of the invention is rotatably connected to the seat back or the support member, while the others A link member rotatably connected to the cover member is provided on the end side, and the seat member is substantially erected by interlocking the seat back or the support member with the cover member. It is characterized by being held in a posture.

  According to the first aspect of the present invention, when the cover member is moved forward while the seat back is moved forward, only the cover member covers the upper surface of the seat cushion, and the seat back is positioned on the front side of the seat cushion. Therefore, even if the seat cushion is not movable, the horizontal plane can be configured at a lower position by the cover member. Furthermore, since the horizontal plane is substantially flush with the floor surface of the cargo compartment, a large cargo compartment can be realized in which long objects can be stably placed. Further, the seat back can be stored by effectively using the dead space in front of the seat cushion.

  According to the second aspect of the present invention, the cover member is slidable along the guide member on the upper end side thereof, so that the seat can be used regardless of the height of the floor surface of the vehicle in front of the seat cushion. The back can be positioned in a standing position along the back side of another seat disposed on the front side of the seat cushion and in front of the seat.

  Further, according to the third aspect of the present invention, since the support frame for supporting the seat back in a seatable state is provided on the cover member, the seat back moved forward of the seat cushion is provided with the guide member. Thus, the weight of the holding member including the cushion member and the cushion member can be reduced, and the labor required to move the seat back can be reduced.

  Furthermore, according to the fourth aspect of the present invention, the seat back can be more stably held between the use state where the occupant is seated and the movement completion state in front of the seat.

  Further, according to the invention of claim 5 of the present invention, when the seat back is moved, the swing of the seat back with respect to the cover member can be restricted at each position, and the posture in which the seat back is substantially upright is achieved. It can be moved between the use state and the movement completion state while being stably held. In addition, the seat back can be moved smoothly while avoiding contact and interference with other sheets.

  Hereinafter, several embodiments of the present invention will be described with reference to the accompanying drawings. In the following embodiments, both the rear seats that face the cargo compartment at the rear of the passenger compartment are moved by a relatively simple operation without moving the seat cushion. A rear seat moving mechanism that can form a substantially flush surface with the floor surface is adopted.

Embodiment 1. FIG.
FIG. 1 is a side view illustrating a use state (a state in which an occupant is seated) and a movement completion state of a rear seat of a vehicle according to Embodiment 1 of the present invention. The rear sheet in the use state is represented by a solid line, and the rear sheet in the movement completed state is represented by a virtual line (dashed line). FIGS. 2A and 2B are perspective views of the rear seat of the vehicle in the use state and the movement completed state, respectively, as viewed from the rear left side. A seat denoted by reference numeral 10 is a rear seat (for example, a third row seat) disposed facing the cargo compartment 11 at the rear of the passenger compartment, and is fixed at a predetermined position on the floor panel 15 that forms the floor of the passenger compartment. The seat cushion 2 having a seating surface, the seat back 3 that is supported so as to stand up from the rear end side of the seat cushion 2 in the use state, and the headrest 4 that is attached to the upper end surface of the seat back 3 It consists of and. Although not particularly illustrated, the luggage compartment 11 opens toward the rear of the vehicle (right side in FIG. 1), and the opening can be opened and closed by a tailgate.

  In this vehicle, the seat back 2 is fixed, and the seat back 3 is configured to be movable forward of the vehicle. When the movement is completed, as shown in FIG. The sheet 10 is supported so as to be positioned along the back surface of the sheet 1 (for example, the second row sheet) disposed in front of the sheet 10. In addition, when the seat back 3 has been moved, a part of the rear seat 10 covers substantially the surface of the floorboard 12 that covers the upper part of the spare tire pan 19 formed in a part of the floor panel 15 and forms the floor surface of the luggage compartment 11. A single surface is constructed.

The structure of the rear seat 10 that realizes the movement of the seat back 3 and the configuration of the surface will be described. First, on the back side of the seat back 3, a seat back cover 7 having a flat portion 7 c that covers almost the entire area of the back of the seat back 3 is attached as a member that supports the seat back 3. The seat back cover 7 is connected to a bracket 14 disposed on the floor panel 15 in the vicinity of the rear end of the seat cushion 2 via a connecting member 8 on the lower end side thereof, and an axis C1 defined by the connecting member 8. It can be rotated around. Further, the seat back cover 7 is connected to the seat back 3 via the slider 9 on the upper end side thereof, whereby the seat back 3 is connected to the seat back cover 7 with an axis defined by the slider 9. It can be rotated around C2. The slider 9 is attached to a guide slit 6a provided on the side surface of the seat back 3 so as to be slidable along the guide slit 6a.
Although not shown in particular, the rotation of the seat back cover 7 around the axis C1 toward the rear of the vehicle is allowed up to an angle at which the rear seat 10 is used, that is, an occupant can be seated, and more is restricted. It is like that.

  In this way, the seat back 3 is connected to and supported by the seat back cover 7 via the slider 9 that slides along the guide slit 6a. According to this configuration, as the seat back cover 7 is rotated forward about the axis C 1, the slider 9 is slid downward along the guide slit 6 a and the seat back cover 7 is moved with respect to the seat back 3. Can be rotated. Thereby, the seat back 3 can be moved so that it may be located along the back surface of the front seat 1 on the front side of the seat cushion. In addition, when the movement of the seat back 3 is completed, the seat back cover 7 can be supported so that the flat portion 7c thereof is substantially horizontal and substantially the same height as the floor board 12.

  By the way, in this embodiment, there is a gap between the floor board 12 and the seat back cover 7 that are at the same height, but in order to cover such a gap, the gap is located in the vicinity of the back surface of the seat back cover 7. A flexible member 13 that connects the side edge portion of the floor board 12 and the rear lower end portion of the seat back cover 7 is attached. The flexible member 13 bends between the panel 12 and the seat back cover 7 when the rear seat 10 is in use, and is stretched between the floor board 12 and the seat back cover 7 when the movement is completed. Cover the gap. As a result, it is possible to take in and out the luggage in the luggage compartment without any trouble such as falling of objects in the gap.

  The structure of the seat back 3 and the seat back cover 7 will be described in more detail. FIG. 3 is a diagram showing a detailed structure of the seat back 3. FIG. 4 is a cross-sectional explanatory diagram of the seat back 3 and the seat back cover 7. The seat back 3 basically includes a cushion member 5 made of, for example, urethane foam, and a holding plate 6 that is attached to the cushion member 5 so as to reinforce the cushion member 5 and cover the back surface and side surfaces thereof. And have. A guide slit 6a extending in the vertical direction of the seat back body is formed at a portion of the holding plate 6 corresponding to the side surface of the cushion member 5. A guide member 16 that receives a headrest frame 4 a extending downward from the lower end side of the headrest 4 is attached to a surface of the holding plate 6 that faces the back surface of the cushion member 5. One end portion of each guide member 16 communicates with a headrest frame insertion hole (not shown) formed at the upper end of the cushion member 5, and the headrest frame 4a is inserted into the guide member 16 through the hole portion. As a result, the headrest 4 is attached to the seat back 3. In addition, as shown in FIG. 4, the decorative nonwoven fabric 29 is affixed on the back side of the holding plate 6.

  Furthermore, on the upper end side of the seat back cover 7 supported on the back side of the seat back 3, projecting pieces 7b projecting forward so as to face the guide slits 6a of the holding plate 6 are provided on both the left and right sides. Yes. A slider 9 that is slidable along the guide slit 6a is attached to each protruding piece 7b. The seat back cover 7 is coupled to the seat back 3 by being assembled to the holding plate 6 so that each slider 9 can slide along the corresponding guide slit 6a.

FIG. 5 is a perspective view of the seat back cover 6 in a state where it is detached from the seat back 3 and the front panel 15. The seat back cover 7 includes a metal pipe frame 17 for ensuring the rigidity and strength of the main body, and a resin cover structure 18 that covers the pipe frame 17 and forms a substantially board-shaped main body. Yes. In addition, the seat back cover 7 includes a flat portion 7c that is flush with the floor surface of the luggage compartment 11 in the front of the compartment of the luggage compartment 11 in a state where the rear seat 10 has been moved, and at the upper end thereof. In addition, a pair of projecting pieces 7b projecting from the left and right to the front of the vehicle so as to correspond to the side surface of the seat back 3 are provided, and at the lower end side, the front of the vehicle is supported to correspond to the bracket 14 fixed on the front panel 15. A pair of protruding pieces 7a protruding from the left and right are provided. Insertion holes 7d that penetrate the cover structure 18 and the pipe frame 17 along the vehicle width direction are provided in the projecting pieces 7a and 7b on the lower end side and the upper end side, respectively. The seat back cover 7 is rotatably connected to the bracket 14 and the seat back 3 via a connecting member 8 and a slider 9 inserted through the insertion hole 7d on the lower end side and the upper end side, respectively.
The seat back cover is not limited to the one having the above-described structure. For example, the pipe frame 17 and the cover structure 18 are integrally formed of resin, or the pipe frame 17 is leather or the like. What is encased in can also be used.

According to the rear seat 10 having the above-described configuration, as can be seen from FIG. 1, as the seat back 3 is rotated while supporting the seat back 3 around the axis C <b> 1 so that the seat back cover 7 is tilted forward, the slider 9 is moved. By sliding the seat back 3 relative to the seat back cover 7 about the axis C2 defined by the slider 9 while sliding along the guide slit 6a, the seat back 3 is moved forward and forward of the seat cushion 2. It can be moved so as to take an upright posture along the back surface of the seat 1. Accordingly, a horizontal plane can be formed at a lower position by the seat back cover 7 without making the seat cushion 3 movable. Furthermore, since the horizontal plane is substantially flush with the floor 15 of the cargo compartment, a wide cargo compartment 11 can be realized in which a long object can be stably placed and the luggage can be easily taken in and out from the tailgate side. Can do. In addition, the seat back 3 can be stored by effectively using the dead space in front of the seat cushion 2.
Furthermore, since the pipe frame 17 for supporting the seat back 3 in a seatable state is incorporated in the seat back cover 7, the weight of the seat back 3 including the cushion member 5 and the holding plate 6 provided with the guide slit 6a is increased. It can be set as the structure suppressed, and, thereby, the force required for operation at the time of the movement of the back seat | sheet 10 can be made small.

Subsequently, another embodiment of the present invention will be described. In the following, the same components as those in the first embodiment are denoted by the same reference numerals, and further description thereof is omitted.
Embodiment 2. FIG.
FIG. 6 is a side view schematically showing a moving mechanism of the rear seat 20 according to the second embodiment of the present invention. The one-dot chain line and the two-dot chain line in the figure are virtual lines representing the rear seat at each position moving forward. FIGS. 7A and 7B are perspective views of the rear seat 20 in the use state and the movement completion state, respectively, as viewed from the rear left side. In the second embodiment, in addition to the same configuration as that of the first embodiment, a link member 21 for moving the seat back 3 stably and smoothly is provided.

The link member 21 is connected at one end side to the side surface of the seat back 3, more specifically, near the lower end of the guide slit 6 a formed on the side surface of the holding plate 6 via a connecting member 22, and is defined by the connecting member 22. It can be rotated around the axis C3. Further, the link member 21 is connected to the side surface of the seat back cover 7 via a connecting member 23 on the other end side, and is rotatable about an axis C4 defined by the connecting member 23.
In FIG. 7, only the link member 21 provided on the left side toward the front of the vehicle is shown, but a similar link member is provided on the right side. Further, the present invention is not limited to this, and the link member may be provided only on either the left or right side as long as sufficient strength can be ensured.

  A torsion spring 25 as an urging member for urging the seat back 3 forward of the vehicle is incorporated in a connecting portion of the link member 21 with respect to the side surface of the seat back 3. FIG. 8 shows a connection structure of the link member 21 to the side surface of the seat back 3 in which the torsion spring 25 is incorporated. In the second embodiment, the torsion spring 25 is incorporated in the seat back at a portion where the link member 21 is connected to the seat back 3 (not shown in FIG. 8). The torsion spring 25 is inserted and held by the spring holding portion 28 at one end side (indicated by reference numeral 25b), and the urging force should be applied to the link member 21 at the other end side (indicated by reference numeral 25a). The link member 21 is engaged.

  In the vicinity of the lower end of the link member 21, a hole portion 21b through which the connecting member 22 is inserted is formed, and at the edge portion in the vicinity of the upper portion of the hole portion 21b, an engagement piece that engages with the end portion 25a of the torsion spring 25. 21a is provided. The link member 21 is coupled to the side surface of the seat back 3 using the coupling member 22 (here, a bolt) and the nut 27 in a state where the engagement piece 21a and the end portion 25a of the torsion spring 25 are engaged. As a result, the link member 21 is urged around the axis C3 defined by the connecting member 22 in the direction indicated by the arrow D1.

  In the second embodiment, in order to stop the movement of the seat back 3 due to the biasing force of the torsion spring 25 in the use state of the rear seat 20, in the second embodiment, a latch mechanism that engages with each other between the holding plate 6 and the seat back cover 7 Is provided. 9 and 10 are a perspective view and a side view, respectively, showing the holding plate 6 and the seat back cover 7 provided with a latch mechanism. On the holding plate 6, a striker 31 is provided outside the surface corresponding to the side surface of the cushion member 5 (see FIG. 10). On the other hand, in the seat back cover 7, a latch 32 that engages with the striker 31 is provided on a side portion corresponding to the striker 31 on the holding plate 6 side. In the seat back cover 7, an operation lever 33 for releasing the latch through a wire (not shown) is provided below the latch 32. The operation lever 33 is preferably disposed at a position where it can be easily operated from the front and rear of the cargo compartment. The release of the latch 32 is not limited to the manual operation lever 33 and may be performed by remote operation.

  When the striker 31 and the latch 32 are engaged with each other, the use state of the rear seat 10, that is, the state in which the seat back cover 7 stands and is positioned with the seat back 3 on the back side of the seat back 3 is maintained. When the operation lever 33 is operated, the engagement between the two is released (latching is released), and the urging force of the torsion spring 25 moves the seat back 3 so that the lower end side is pushed forward. Accordingly, the slider 9 connecting the seat back cover 7 and the seat back 3 slides downward along the guide slit 6a. Then, when the seat back cover 7 is rotated forward, the seat back 3 is positioned on the front side of the seat cushion 2 and along the back surface of the front seat 1, and the seat back cover 7 is On the back side of the flat portion 7 c, a surface that is substantially flush with the floor board 12 that forms the floor surface of the luggage compartment 11 is formed.

  As described above, in the second embodiment, the seat back 3 and the seat back cover 7 are interlocked with each other by using the link member 21, so that the seat back with respect to the seat back cover 7 is moved at each position when the seat back 3 is moved. The swing of the back 3 can be restricted, and the seat back 3 can be moved between the use state and the movement complete state while being stably held so as to take a substantially upright posture. In addition, the seat back 3 can be smoothly moved while avoiding contact and interference with other seats (particularly the front seat 1). Further, in the second embodiment, the seat back 3 is moved almost automatically only by operating the operation lever 33 and releasing the latch 32 by the urging force of the torsion spring 25, and only a slight auxiliary work is required. The cargo room can be expanded.

  In addition, in the said Embodiment 2, although the torsion spring 25 was integrated in the part to which the link member 21 is connected, it is not limited to this, For example, the rear seat 20 shown to (a) and (b) of FIG. As described above, a torsion spring 28 may be provided at the connecting portion of the link member 21 to the side surface of the seat back cover 7. In this case, unlike the case of the first embodiment, the link member 21 is positioned on the inner side of the seat back cover 7 (side closer to the seat back 3), and the protruding piece on the lower end side of the seat back cover 7 is used. 7a is preferably positioned outside the bracket 14 (on the side far from the seat back 3).

Embodiment 3. FIG.
FIG. 12 is a side view schematically showing a moving mechanism of the rear seat 40 according to the third embodiment of the present invention. FIGS. 13A and 13B are perspective views of the rear seat 40 in the use state and the movement completion state according to the third embodiment, respectively, as viewed from the rear left side. In the third embodiment, in addition to the same configuration as that of the first embodiment, a support member 41 is further provided for moving the seat back 3 while stably holding it.

  The support member 41 is a bracket 44 fixed on the floor panel 15 on the lower end side thereof, and is disposed on the front side of the bracket 14 to which the seat back cover 7 is connected and on the side portion of the seat cushion 2. Are connected to each other via a connecting member 42, are defined by the connecting member 42, and are rotatable about an axis C <b> 5. Further, the support member 41 is connected at the upper end side thereof to the vicinity of the lower end of the guide slit 6 a on the side surface of the holding plate 6 via the connection member 43, whereby the seat back 3 is connected to the shaft defined by the connection member 43. It can be rotated around C6.

As can be seen from FIG. 12, the support member 41 is shaped so as to extend substantially along the sides of the seat cushion 2 and the seat back 3 without hindering the seating of the occupant in its use state. In the third embodiment, the support member 41 is bent at the middle portion thereof, but is not limited thereto, and may be a member having another shape such as a curved shape. Good.
12 and 13, only the support member 41 provided on the left side toward the front of the vehicle is shown, but a similar support member is also provided on the right side. Further, without being limited thereto, the support member may be provided only on either the left or right side as long as sufficient strength can be ensured.

  A torsion spring 45 as an urging member for urging the seat back 3 forward is incorporated in a connecting portion of the support member 41 with respect to the bracket 44 provided on the side portion of the seat cushion. FIG. 14 shows a connection structure of the support member 41 to the bracket 44 in which the torsion spring 45 is incorporated. The bracket 44 is provided on the side portion of the seat cushion 2, and other configurations such as a configuration formed integrally with the bracket 44 or the torsion spring 45 are incorporated in the seat cushion 2. A spring support portion 46 that extends horizontally inward of the seat cushion 2 is formed on the inner side surface of the bracket 44 (that is, the surface that is not exposed to the outside), and the torsion spring 45 is located at a predetermined position on the spring support portion 46. It is held so as to correspond to the connecting member insertion hole 44 a formed in the bracket 44. An engagement piece 46 a for holding the end portion 45 b of the torsion spring 45 is formed on the inner end portion (end portion on the center side of the sheet) of the torsion spring support portion 46. The torsion spring 45 is engaged with the engagement piece 46a at one end side (indicated by reference numeral 45b), and applies a biasing force to the support member 41 at the other end side (indicated by reference numeral 45a). Engage with it as much as possible.

A hole 41a through which the connecting member 42 is inserted is formed at the lower end of the support member 41, and an engagement piece 41b that engages with the end 45a of the torsion spring 45 is formed at the edge near the upper portion of the hole 41a. Is provided. The support member 41 is attached to the bracket 44 using a bolt and a nut 43 as the connecting member 42 in a state where the end of the torsion spring 45 is engaged with the engagement piece 41b. As a result, the support member 41 is biased around the axis C5 defined by the connecting member 42 in the direction indicated by the arrow D2 (that is, the direction in which the seatback 3 is pushed forward).
Although not particularly illustrated, in the third embodiment, the same latch mechanism as that in the second embodiment is used in order to stop the movement of the seat back due to the urging force of the torsion spring in the use state of the seat. And the seat back cover 7.

  When the latch by the latch mechanism is released, the seat back 3 moves so as to be pushed forward via the support member 41 by the urging force of the torsion spring 45 incorporated in the connection portion of the support member 41 with respect to the bracket 44. Along with this, the seat back cover 7 rotates so as to move forward. Then, by rotating the seat back cover 7 so that the slider 9 that connects the seat back cover 7 and the seat back 3 slides downward along the guide slit 6a, the seat back 3 is moved to the seat cushion. 2 and can be moved so as to be positioned along the back surface of the front seat 1. Moreover, in the movement completion state, the seat back cover 7 constitutes a substantially flush surface with the floor board 12 forming the floor surface of the luggage compartment 11 on the back side of the flat portion 7c.

As described above, in the third embodiment, since the seat back 3 is supported by the seat back cover 7 and the support member 41 both connected to the floor panel 15, the seat back 3 is stable between the use state and the movement completed state. It is moved while being held. Further, in this case, as compared with the case where the seat back 3 is supported only by the seat back cover 7 as in the first embodiment, the swing of the seat back 3 at each position can be restricted. 3 can be stably held. Furthermore, the seat back 3 can be moved smoothly while avoiding contact and interference with other seats (particularly the front seat 1).
Further, in the third embodiment, the seat back 3 is moved almost automatically only by operating the operation lever by the biasing force of the torsion spring 45 to release the latch, and only a small auxiliary work is required. The cargo room can be expanded.

Embodiment 4 FIG.
FIG. 15 is a side view schematically showing a moving mechanism for the rear seat of the vehicle according to the fourth embodiment of the present invention. FIGS. 16A and 16B are perspective views of the rear seat 50 in the use state and the movement completion state according to the fourth embodiment, respectively, as viewed from the left rear side. In the fourth embodiment, in order to move the seat back 3 more smoothly and stably while avoiding contact and interference with the seat back 3 of other sheets, in addition to the same configuration as that of the third embodiment. A link member 51 that connects the support member 41 and the seat back cover 7 is provided.

  The link member 51 is connected to one end of the link member 51 in the middle in the longitudinal direction of the support member 41 via a connecting member 52, and can rotate around the axis C7 defined by the connecting member 52 with respect to the support member 41. It is. Further, the link member 51 is connected to the other end side of the side surface of the seat back cover 7 in the middle in the longitudinal direction via a connecting member 53, and the shaft defined by the connecting member 53 is connected to the seat back cover 7. It can be rotated around C8.

In this way, by interlocking the support member 41 and the seat back cover 7 with each other using the link member 51, the movement of the seat back 3 can be restricted at each position when the seat back 3 is moved. The seat back 3 can be moved between the use state and the movement completion state while being stably held so as to take a substantially upright posture. Further, the seat back 3 can be moved more stably and smoothly while avoiding contact and interference with other seats (particularly the front seat 1).
Further, in the fourth embodiment, the seat back 3 is moved almost automatically only by operating the operation lever and releasing the latch by the urging force of the torsion spring 45, and the luggage compartment is carried out with only a small auxiliary work. Can be spread.

  In the fourth embodiment, as can be seen from FIG. 16, the support member 41 and the link member 51 are positioned on the inner side (side closer to the seat back 3) of the bracket 14 to which the seat back cover 7 is connected at the lower end side. Further, the protruding piece 7a on the lower end side of the seat back cover 7 is positioned on the outer side of the bracket 14 (the side far from the seat back 3). However, the present invention is not limited to this. For example, FIG. And like rear seat 50 'shown to (b), the supporting member 41 and the link member 51 are located in the outer side of the bracket 14 with which the seat back cover 7 is connected by the lower end side, and also the seat back cover 7 The protruding piece 7 a on the lower end side of the bracket 14 may be positioned inside the bracket 14.

  It should be noted that the present invention is not limited to the illustrated embodiments, and it goes without saying that various improvements and design changes can be made without departing from the scope of the present invention.

It is a side view which shows roughly the moving mechanism of the rear seat which concerns on Embodiment 1 of this invention. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the said Embodiment 1 from the left side rear. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the above-mentioned Embodiment 1 from the left rear. It is a figure showing the connection structure of the seat back cover with respect to a seat back. It is a cross-sectional explanatory drawing of a seat back and the seat back cover connected with it. It is a perspective view which shows the seat back cover which concerns on the said Embodiment 1. FIG. It is a side view which shows roughly the moving mechanism of the rear seat which concerns on Embodiment 2 of this invention. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the said Embodiment 2 from the left side rear. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the above-mentioned Embodiment 2 from the left rear. It is a figure which shows the connection structure of the link member with respect to the side surface of the seat back which concerns on the said Embodiment 2. FIG. It is a perspective view which shows the seat back cover which concerns on the said Embodiment 2. FIG. It is a side view which shows the said latch mechanism. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the modification of the said Embodiment 2 from the left back. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the modification of the above-mentioned embodiment 2 from the left rear. It is a side view which shows roughly the moving mechanism of the rear seat which concerns on Embodiment 3 of this invention. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the said Embodiment 3 from the left side rear. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the above-mentioned Embodiment 3 from the left rear. It is a figure which shows the connection structure of the supporting member with respect to the bracket which concerns on the said Embodiment 3. FIG. It is a side view which shows roughly the moving mechanism of the rear seat which concerns on Embodiment 4 of this invention. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the said Embodiment 4 from the left side rear. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the above-mentioned Embodiment 4 from the left rear. (A) It is the perspective view which looked at the rear seat of the vehicle in the use condition which concerns on the modification of the said Embodiment 4 from the left back. (B) It is the perspective view which looked at the rear seat of the vehicle in the movement completion state concerning the modification of the above-mentioned embodiment 4 from the left rear.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Front seat, 2 ... Seat cushion, 3 ... Seat back, 4 ... Headrest, 5 ... Cushion member, 6 ... Holding plate, 6a ... Guide slit, 7 ... Seat back cover, 7a, 7b ... Projection piece, 7c ... Flat part, 8 ... connecting member, 9 ... slider, 10, 20, 20 ', 40, 50, 50' ... rear seat, 11 ... cargo compartment, 12 ... floor board, 14 ... bracket, 15 ... floor panel, 17 ... Pipe frame, 18 ... cover structure, 21, 51 ... link member, 22, 23 ... connecting member, 25, 28, 45 ... torsion spring, 41 ... support member, 42, 43 ... connecting member, 44 ... bracket.

Claims (5)

In the vehicle seat structure provided with a seat that is disposed facing the cargo compartment at the rear of the passenger compartment and the seat cushion and the seat back are separated from each other,
While arranged on the back side of the seat back and connected to the lower end side of the seat cushion in the vicinity of the rear end of the seat cushion so as to be rotatable about an axis along the vehicle width direction, A cover member is provided on the upper end side to support the seat back so as to be rotatable around an axis along the vehicle width direction.
The seat back itself rotates with respect to the cover member, and the cover member rotates on the lower end side with respect to the floor surface of the passenger compartment, so that the seat cushion is positioned in front of the seat cushion and the seat back. The cover member is movable so as to be positioned upright on the back side of another seat disposed in front, and the cover member covers the upper surface of the seat cushion in a state where the movement of the seat back is completed. A vehicle seat structure characterized by being held so as to form a horizontal plane substantially flush with a floor surface of the cargo compartment. A guide member extending in the vertical direction of the seat back body is provided on the side surface of the seat back or in the vicinity of the side surface,
The vehicle seat structure according to claim 1, wherein the cover member is slidably connected along the guide member at an upper end side that rotatably supports the seat back. The seat back includes a cushion member and a holding member that includes the guide member and is attached to hold the cushion member.
3. The vehicle seat structure according to claim 2, wherein the cover member includes a support frame that supports the seat back in a state in which an occupant can be seated. A support member is provided which is rotatably connected to the floor of the vehicle compartment at one end thereof and is rotatably connected to the seat back at the other end, and supports the seat back together with the cover member. The vehicle seat structure according to any one of claims 1 to 3, wherein the vehicle seat structure is provided. A link member is provided that is rotatably connected to the seat back or the support member at one end thereof, and is rotatably connected to the cover member at the other end.
The link member is held in a substantially upright posture by interlocking the seat back or the support member and the cover member, according to any one of claims 1 to 4. Seat structure for vehicles.

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