JP2004330915A - Sheet structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat structure of a vehicle constituted to smoothly carry out operation in the case of providing an upward folded state of back surfaces of a seat part of a seat and a seat back part by folding the seat back part of the seat forward by vertically reversing the seat part of the seat. <P>SOLUTION: A front part of the seat part 13 of the seat 3 is supported free to oscillate around a lateral shaft center P3 of a fixed part of the car body. A supporting arm 19 is connected to the periphery of lateral shaft center P6 of the fixed part of the car body free to oscillate and a lower part of the seat back part 14 of the seat 3 is connected to the periphery of a lateral shaft center P7 of an end part of the supporting arm 19. A seat part 13 of the seat 3 and a back surface of the seat back part 14 are constituted free to operate them in an upward folded state by vertically reversing the seat part 13 of the seat 3, oscillating the supporting arm 19 backward and folding the seat back part 14 of the seat 3 forward around the lateral shaft center P7 of the end part of the supporting arm 19. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a seat structure in vehicles such as passenger cars, commercial vehicles, trucks and buses.
[0002]
[Prior art]
2. Description of the Related Art As a vehicle seat structure, there is, for example, one disclosed in Patent Document 1. In the structure of Patent Literature 1, the seat is pivoted around a horizontal axis at the front of the seat, turned upside down, and the back of the seat is tilted forward, so that the back of the seat is rearward. And a folded state in which the back surface of the seat back is directed upward (see the state of the two-dot chain line in FIG. 1 in Patent Document 1).
[0003]
In the above-described folded state in the structure of Patent Literature 1, when the backrest portion of the seat is tilted forward, the upper portion of the backrest portion of the seat comes into contact with the seat portion of the seat which has been turned upside down. The length of the seat is limited (the length of the seat back cannot be made too short in terms of securing the comfort of the seat).
[0004]
In this case, as shown in FIGS. 33 and 34 of Patent Document 1, a support shaft (FIG. 33 and Patent Document 1 of Patent Document 1) is provided at the front of a seat portion (S11 in FIGS. 33 and 34 of Patent Document 1). 34, and a supporting portion (902 in FIGS. 33 and 34 of Patent Document 1) for supporting the support shaft slidably in the front-rear direction. Thus, the seat portion of the seat is swung around the support shaft, turned upside down, and the support shaft (seat portion of the seat) is slid forward along the support portion, whereby the seat back portion of the seat is seated. Since it can be separated from the part, even if the back part of the seat is relatively long, if the back part of the seat is tilted forward, the upper part of the back part of the seat is inserted so as to be in contact with the seat part of the seat which has been turned upside down, A folded state can be obtained.
[0005]
[Patent Document 1]
JP-A-2000-127820 (FIGS. 33 and 34)
[0006]
[Problems to be solved by the invention]
In the structure shown in FIGS. 33 and 34 of Patent Document 1, when a folded state is obtained, it is necessary to swing the seat portion of the seat upside down and slide the seat seat portion forward along the support portion. .
In this case, the sliding movement of the seat portion, which is a relatively large member, is generally difficult to perform due to the occurrence of a koji phenomenon at the sliding portion, so that the folded state can be obtained smoothly. There is room for improvement in terms of doing so.
[0007]
The present invention relates to a vehicle seat structure, in which a seat back portion of a seat is swung upside down and a seat back portion of the seat is tilted forward, thereby causing a back surface of the seat back portion and a back surface of the seat back portion to be upward. It is an object of the present invention to provide a structure in which a folded state can be obtained so that the folded state can be obtained while securing the length of the backrest of the seat.
[0008]
[Means for Solving the Problems]
[I]
According to the first aspect of the present invention, the front portion of the seat is swingably supported around the horizontal axis of the fixed portion of the vehicle body, and the support arm is swingably supported around the horizontal axis of the fixed portion of the vehicle body. A normal use state in which the lower part of the backrest of the seat is swingably connected around the horizontal axis at the end of the support arm, and the backrest of the seat faces obliquely rearward and upward with respect to the seat seat. It is configured to be operable. Swing the seat seat around the horizontal axis of the fixed part of the vehicle body and turn it upside down, swing the support arm backward, and swing the seat back around the horizontal axis at the end of the support arm. By tilting the seat forward, the rear surface of the seat seat and the rear surface of the seat backrest can be operated in a folded state with the upward direction.
[0009]
According to the second aspect of the present invention, the lower portion of the seat back is swingably supported around the horizontal axis of the fixed portion of the vehicle body, and the support arm is swingably provided around the horizontal axis of the fixed portion of the vehicle body. The normal use state in which the front of the seat is pivotally connected around the horizontal axis at the end of the support arm, and the seat back is obliquely rearward and upward with respect to the seat. It is configured to be operable. Swing the support arm forward, swing the seat around the horizontal axis at the end of the support arm, flip it upside down, and swing the seat back around the horizontal axis at the fixed part of the vehicle body. By tilting the seat forward, the rear surface of the seat seat and the rear surface of the seat backrest can be operated in a folded state with the upward direction.
[0010]
[II]
Due to the features described in the preceding paragraph [I], the back surface of the seat and the back surface of the seat back portion are moved upward from the normal use state in which the back portion of the seat faces obliquely rearward and upward with respect to the seat portion of the seat. To get the folded state
According to the feature of the first aspect, the seat is turned upside down, the support arm is swung rearward, and the backrest of the seat is tilted forward to operate the seat in the folded state.
According to the second aspect of the present invention, the seat arm of the seat is turned upside down by swinging the support arm forward, and the backrest of the seat is turned forward to operate the seat in a folded state.
[0011]
As described above, according to the feature of claim 1 (claim 2), the backrest portion of the seat can be moved backward by swinging the support arm rearward. By moving the seat back forward, the seat can be moved forward.) Even if the seat back is relatively long, if the seat back is tilted forward, the upper part of the seat back is turned upside down. Can be folded so as to be in contact with the seating portion.
[0012]
In this case, according to the features of claim 1 (claim 2), the seat back portion is not configured to be slid backward, but the seat back portion is configured to be slid forward. No), since the backrest portion of the seat is moved backward by swinging the support arm backward (since the seat portion of the seat is moved forward by swinging the support arm forward), There is little occurrence of koji phenomenon.
[0013]
[III]
According to the feature of the third aspect, the first support arm is swingably provided around the horizontal axis of the fixed portion of the vehicle body, and the front of the seat portion of the seat is provided around the horizontal axis of the end of the first support arm. The second support arm is swingably connected around the horizontal axis of the fixed portion of the vehicle body, and the lower portion of the seat back is swung around the horizontal axis at the end of the second support arm. It is movably connected, and is configured to be operable in a normal use state in which the backrest of the seat faces obliquely rearward and upward with respect to the seat portion of the seat. The first support arm is swung forward or backward, the seat portion of the seat is swung about the horizontal axis at the end of the first support arm to be turned upside down, and the second support arm is swung forward or backward. Then, the backrest of the seat is swung about the horizontal axis at the end of the second support arm and is tilted forward, so that the back surface of the seat seat and the back surface of the seat backrest are directed upward. It is configured to be operable.
[0014]
According to the feature of the fourth aspect, the first support arm is swingably provided around the horizontal axis of the fixed portion of the vehicle body, and the front portion of the seat portion of the seat is provided around the horizontal axis of the end of the first support arm. A second support arm is swingably connected around a horizontal axis at a rear portion of a support member mounted on a fixed portion of the vehicle body, and the second support arm is swingably provided around a horizontal axis at an end of the second support arm. The lower portion of the seat back portion is swingably connected to the seat so that the seat back portion can be operated in a normal use state in which the seat back portion is directed obliquely rearward and upward with respect to the seat portion of the seat. The first support arm is swung forward or backward, the seat portion of the seat is swung about the horizontal axis at the end of the first support arm to be turned upside down, and the second support arm is swung forward or backward. Then, the backrest of the seat is swung about the horizontal axis at the end of the second support arm and is tilted forward, so that the back surface of the seat seat and the back surface of the seat backrest are directed upward. It is configured to be operable. The support member is configured to be able to swing upward around the horizontal axis at the front side of the support member and to be lifted upward.
[0015]
[IV]
According to the feature described in the above item [III], the back surface of the seat and the back surface of the seat back portion are moved upward from the normal use state in which the seat back portion faces obliquely rearward and upward with respect to the seat portion of the seat. To get the folded state
According to the feature of claim 3 (claim 4), the seat portion of the seat is turned upside down by swinging the first support arm forward, and the seat back portion of the seat is swung forward to swing the seat back portion forward. To be folded. Alternatively, the user operates the seat in a folded state by swinging the first support arm rearward to invert the seat portion of the seat upside down, and swinging the second support arm rearward to tilt the seat back portion forward. Alternatively, the user operates the seat in a folded state by swinging the first support arm forward to turn the seat portion of the seat upside down and swinging the second support arm rearward to tilt the seat back portion forward.
[0016]
As described above, according to the feature of claim 3 (claim 4), the seat portion of the seat is moved forward by swinging the first support arm forward, as in the above-mentioned [II]. By swinging the second support arm backward, the backrest of the seat can be moved rearward, so that even in a relatively long backrest of the seat, the backrest of the seat can be tilted forward. In this case, the upper part of the backrest portion of the seat can be brought into contact with the seat portion of the seat which has been turned upside down to obtain a folded state.
[0017]
In this case, according to the features of claim 3 (claim 4), similarly to the description of the above [II], the seat of the seat is not configured to slide forward (the seat back portion is moved rearward). The first support arm is swung forward instead of being configured to slide forward (as opposed to being configured to slide the seat) forward (the second support arm is swung rearward). Since the backrest of the seat is moved rearward), the occurrence of the koji phenomenon is small.
[0018]
[V]
According to the characteristic of claim 3 (claim 4), as described in the above [IV], the first support arm is pivoted forward to turn the seat portion upside down, and the second support arm is pivoted forward. When the user moves the seat back portion forward to operate the seat back in a folded state, the seat back portion of the seat and the seat back portion can be completely folded forward.
Conversely, when the first support arm is swung rearward and the seat portion of the seat is turned upside down, and the second support arm is swung rearward and the backrest of the seat is tilted forward to operate the seat in a folded state, Can be obtained in a folded state in which the seat portion and the seat back portion are moved rearward as a whole.
Thus, according to the features of claim 3 (claim 4), according to the features of claim 3 (claim 4), the state of the front seat and the rear seat, the state of the floor of the vehicle body, and the state of the rear A folded state in which the seat and backrest of the seat have moved entirely forward according to the state of the floor of the vehicle body, and a folded state in which the seat and backrest of the seat have moved entirely rearward. Can be obtained.
[0019]
According to the feature of claim 3 (claim 4), as described in the above [IV], the first support arm is pivoted forward, the seat portion of the seat is turned upside down, and the second support arm is pivoted backward. By moving the seat back, the seat back can be tilted forward to obtain a folded state.
Thus, according to the features of claim 3 (claim 4), the first support arm is swung forward and the second support arm is swung rearward, so that the seat portion of the seat and the backrest of the seat are moved. Since the seat can be sufficiently separated, the seat back can be made sufficiently long.
[0020]
[VI]
According to the feature of the fourth aspect, the first support arm is swingably provided around the horizontal axis of the fixed portion of the vehicle body, and the second support arm is provided around the horizontal axis of the rear portion of the support member mounted on the fixed portion of the vehicle body. A support arm is provided so as to be swingable, and the support member is configured to be able to swing upward around a horizontal axis at the front side of the support member so as to be lifted upward.
According to the fourth aspect of the present invention, by lifting the support member upward, the entirety of the seat (the seat portion of the seat and the backrest of the seat) is lifted upward around the front horizontal axis of the support member. Can be.
[0021]
[VII]
According to the feature of the fifth aspect, similar to the case of the fourth aspect, the "action" described in the above-mentioned [II], [IV], [V], and [VI] is provided. "Is provided.
According to the fifth aspect, the front portion of the support member is swingably connected around the horizontal axis of the first support arm, so that the support member can be swung up and lifted upward.
[0022]
According to the fifth aspect of the present invention, when the first support arm is swingably provided around the horizontal axis of the fixed portion of the vehicle body, the front portion of the support member is provided around the horizontal axis of the first support arm. The support member is swingably supported, and the support member is swingably supported around the horizontal axis of the fixed portion of the vehicle body via the first support arm. Therefore, the first support arm and the support member are supported by providing the support portion of the first support arm in the fixed portion of the vehicle body, so that the support portion of the first support arm and the support portion of the support member are supported in the fixed portion of the vehicle body. And need not be provided separately.
[0023]
[VIII]
According to the feature of claim 6, as in the case of claim 4 or 5, the "action" described in the preceding item [II] [IV] [V] [VI] [VII] is provided. It has the following "action".
According to the feature of claim 6, the back surface of the seat seat and the back surface of the seat back portion face upward, and the support member is lifted upward and operable in a vertically inverted state in which the seat member is turned upside down. In the inverted state, the floor of the vehicle body on the rear side and the back surface of the seat are substantially the same height.
[0024]
Thus, according to the feature of the sixth aspect, by operating in the upside-down state, it is possible to obtain a state in which the seat portion of the seat and the backrest portion of the seat are largely largely moved forward.
In this case, according to the feature of claim 6, in the upside down state, the floor of the rear body and the back surface of the seat are substantially the same height. Since there is almost no step between the floor of the seat and the back of the seat, the luggage and the like can be easily loaded on the floor of the rear vehicle body and the back of the seat of the rear body in the upside down state.
[0025]
BEST MODE FOR CARRYING OUT THE INVENTION
[1]
FIG. 1 shows a minivan type vehicle with a three-row seat type, in which a first row seat 1 (driver's seat and passenger seat), a second row seat 2 (right and left two-split type), and a three-row seat An eye sheet 3 (right and left two-split type) is provided. The first floor part 4 on which the occupant places his / her feet, the second floor part 5 set at a position higher than the first floor part 4, and the third floor part 6 set at a position higher than the second floor part 5 are provided. Have been.
[0026]
As shown in FIG. 1, the seat 2 includes a seat portion 7, a backrest portion 8, and a headrest 9. The backrest portion 8 is attached to the seat portion 7 via a recliner portion 10, and the seat 2 is seated by the recliner portion 10. The angle of the backrest portion 8 with respect to the portion 7 can be changed. A support arm 11 is swingably supported around a horizontal axis P1 of the first floor 4, and a support arm 12 is swingably supported around a horizontal axis P2 of the second floor 5. , 12 support the seat 7 of the seat 2 and are provided with a holding mechanism (not shown) operable in a fixed state for fixing the support arms 11, 12 in an upright state (see FIG. 1) and a released state. ing.
[0027]
As shown in FIGS. 1 and 10A, the seat 3 includes a seat portion 13, a backrest portion 14, and a headrest 15. A first support arm 16 is swingably supported around a horizontal axis P3 of the third floor portion 6, and a front portion of the seat 13 of the seat 3 is provided around a horizontal axis P4 at the end of the first support arm 16. It is swingably connected. A rectangular frame-shaped support member 17 is provided in a plan view, and a front portion of the support member 17 is swingably connected around a horizontal axis P5 of the first support arm 16. A seat connection mechanism (not shown) operable in a connection state and a release state for connecting the seat 13 and the support member 17 of the seat 3 is provided, and connects the support member 17 and the third floor 6. There is provided a support member connecting mechanism (not shown) operable in a connected state and a released state.
[0028]
As shown in FIGS. 1 and 10A, a recliner portion 18 is provided at a rear portion of the support member 17, and a second support arm 19 is supported by the recliner portion 18 (a rear portion of the support member 17 (recliner portion 18). 2), the second support arm 19 is swingably supported around a horizontal axis P6 around the horizontal axis P7 at the end of the second support arm 19. The lower part of the backrest 14 of the seat 3 is swingable. And a backrest connecting mechanism 20 operable in a connected state and a released state for connecting the backrest 14 of the seat 3 and the second support arm 19. The connected state of the backrest connecting mechanism 20 is provided. In, the angle of the backrest 14 (second support arm 19) of the seat 3 with respect to the seat 13 of the seat 3 can be changed by the recliner 18.
[0029]
[2]
The state shown in FIG. 1 is a state in which the seat 2 is being operated in a normal use state in which the backrest 8 of the seat 2 is directed obliquely rearward and upward with respect to the seat 7 of the seat 2, and the support arms 11, 12 are This is a state in which the holding mechanism is fixed in a standing state (the holding mechanism is fixed). When the seat 3 is operated in a normal use state in which the backrest 14 of the seat 3 is directed obliquely rearward and upward with respect to the seat 13 of the seat 3, the seat connection mechanism, the support member connection mechanism, and the backrest connection. This is a state in which the mechanism 20 is being operated in the connected state.
[0030]
In the state shown in FIG. 2, the holding mechanism is operated to release the seat 2 from the state shown in FIG. 1, and the support arms 11 and 12 are swung forward to move the seat 7 of the seat 2 to the first floor 4. , And the reclining portion 10 tilts the backrest 8 of the seat 2 slightly forward. In the state shown in FIG. 2, getting on and off the seat 3 is performed.
[0031]
The state shown in FIG. 3 is a state in which the backrest portion 8 of the seat 2 is tilted forward from the state shown in FIG. In the state shown in FIG. 3, the back surface of the backrest 8 of the seat 2 can be used as a table during parking.
[0032]
In the state shown in FIG. 4, in the seat 2, the holding mechanism is operated from the state shown in FIG. 1 to the released state, the support arms 11, 12 are swung forward, and the seat 7 of the seat 2 is moved to the first floor 4 , And the backrest 8 of the seat 2 is tilted backward to the second floor 5 by the recliner 10. In the state shown in FIG. 4, it is possible to relax with the seats 2 and 3 during parking.
[0033]
[3]
In the state shown in FIG. 5, in the seat 2, the holding mechanism is operated from the state shown in FIG. 1 to the released state, the support arms 11, 12 are swung forward, and the seat 7 of the seat 2 is moved to the first floor 4 , And the backrest 8 of the seat 2 is tilted forward to the seat 7 of the seat 2 by the recliner 10. In the state shown in FIG. 5, luggage can be put on the back surface of the backrest 8 of the seat 2 and the second floor 5. In this case, it is preferable that the occupant does not sit on the seat 3.
[0034]
In the state shown in FIG. 6, in the seat 3, the support member connecting mechanism is operated to the released state from the state shown in FIG. 5 (the seat connecting mechanism and the backrest connecting mechanism 20 are in the connected state), and the support member 17 and the first support While the arm 16 is swung upward about the horizontal axis P3 of the third floor portion 6, the backrest portion 14 (second support arm 19) of the seat 3 is tilted backward by the recliner portion 18 (the seat portion of the seat 3). 13 and the backrest 14 of the seat 3 are tilted straight), the back of the seat 13 of the seat 3 and the back of the backrest 14 of the seat 3 face upward, and the support member 17 and the first support arm 16 are turned upward. Is a state in which it is operated to be turned upside down and turned upside down.
[0035]
In the upside-down state shown in FIG. 6, the backrest 14 of the seat 3 rides on the back of the backrest 8 of the seat 2, and the back of the seat 13 of the seat 3, the back of the backrest 14 of the seat 3, and the third floor. The part 6 has substantially the same height. Therefore, in the upside-down state shown in FIG. 6, it is possible to load the luggage on the back surface of the seat 13 of the seat 3, the back surface of the backrest 14 of the seat 3, and the third floor 6.
[0036]
[4]
In the state shown in FIG. 7, the backrest connection mechanism 20 is operated to the released state from the state shown in FIG. 1 in the seat 3 (the seat connection mechanism and the support member connection mechanism are connected), and the backrest 14 of the seat 3 is moved. The end portion of the second support arm 19 is swung slightly forward around the horizontal axis P7, and the recliner 18 moves the backrest 14 (second support arm 19) of the seat 3 forward to the seat 13 of the seat 3. It is in a defeated state. In the state shown in FIG. 7, luggage can be placed on the back surface of the backrest 14 of the seat 3 and the third floor 6.
[0037]
In the state shown in FIG. 8, in the seat 3, from the state shown in FIG. 1, the support member connecting mechanism and the backrest connecting mechanism 20 are operated to the released state (the seat connecting mechanism is in the connected state), and the backrest 14 of the seat 3 is moved. The end portion of the second support arm 19 is swung slightly forward around the horizontal axis P7, and the recliner 18 moves the backrest 14 (second support arm 19) of the seat 3 forward to the seat 13 of the seat 3. In this state, the support member 17 and the first support arm 16 are lifted up around the horizontal axis P <b> 3 of the third floor 6. In the state shown in FIG. 8, luggage can be loaded on the third floor 6.
[0038]
The state shown in FIGS. 9B and 10C is a state in which the seat connection mechanism, the support member connection mechanism, and the backrest connection mechanism 20 are released from the state shown in FIGS. 9 (a) and FIG. 1 (b), the first support arm 16 is swung slightly upward about the horizontal axis P3 of the third floor portion 6 while the seat 3 is seated. The portion 13 is swung about the horizontal axis P4 at the end of the first support arm 16 to be turned upside down, and as shown in FIGS. 9B and 10C, the first support arm 16 is moved to the third position. This is a state in which the second support arm 19 is swung backward by the recliner section 18 as shown in FIGS. 9A and 10B in a state where the second support arm 19 is swung downward around the horizontal axis P3 of the floor 6. Then, as shown in FIGS. 9B and 10C, the backrest 14 of the seat 3 is It is being tilted forward by swinging around the horizontal axis P7 parts. Accordingly, the state shown in FIGS. 9B and 10C is a state in which the back surface of the seat portion 13 of the seat 3 and the back surface of the backrest portion 14 of the seat 3 are operated in the folded state with the seat 3 facing upward. It is. In the folded state shown in FIGS. 9B and 10C, luggage can be placed on the back surface of the seat 13 of the seat 3 and the back surface of the backrest 14 of the seat 3.
[0039]
[First Embodiment of the Invention]
In the above-mentioned [Embodiment of the invention], the first support arm 16 is abolished while the second support arm 19 shown in FIGS. The front portion of the seat portion 13 may be supported so as to be swingable (vertically upside down) around the horizontal axis P3 of the third floor portion 6. In this case, the front portion of the support member 17 is configured to be supported swingably upward around the horizontal axis P3 of the third floor 6 (or another horizontal axis of the third floor 6). Is also good.
[0040]
[Second Alternative Embodiment of the Invention]
In the above-mentioned [Embodiment of the invention], the second support arm 19 is abolished while the first support arm 16 shown in FIGS. The lower portion of the backrest 14 may be supported by the support member 17 via the recliner 18 (the lower portion of the backrest 14 of the seat 3 may be swingably supported around the horizontal axis P6 of the support member 14). Good. In this case, the front portion of the support member 17 is not arranged around the horizontal axis P5 of the first support arm 16, but around the horizontal axis P3 of the third floor 6 (or another horizontal axis of the third floor 6). , And may be configured to be supported swingably upward.
[0041]
[Third Alternative Embodiment of the Invention]
In the above [Embodiment of the invention], the first support arm 16 is swung forward from the state shown in FIG. 1 and FIGS. The end of the first support arm 16 is swung around the horizontal axis P4 and turned upside down, and the recliner 18 swings the backrest 14 (the second support arm 19) of the seat 3 forward and falls forward. Thereby, the back surface of the seat portion 13 of the seat 3 and the back surface of the backrest portion 14 of the seat 3 may be configured to be operated in a folded state with the upward direction. In this case, the front portion of the support member 17 is not arranged around the horizontal axis P5 of the first support arm 16, but around the horizontal axis P3 of the third floor 6 (or another horizontal axis of the third floor 6). , And may be configured to be supported swingably upward.
[0042]
[Fourth alternative embodiment of the invention]
In the above [Embodiment of the invention], the first support arm 16 is swung forward from the state shown in FIG. 1 and FIGS. The end of the first support arm 16 is swung around the horizontal axis P4 to be turned upside down, the recliner 18 is used to swing the second support arm 19 backward, and the backrest 14 of the seat 3 is moved to the second support arm. By swinging it around the horizontal axis P7 at the end of 19 and tilting it forward, the back surface of the seat portion 13 of the seat 3 and the back surface of the backrest portion 14 of the seat 3 are operated in a folded state with the upward direction. You may comprise. In this case, the front portion of the support member 17 is not around the horizontal axis P5 of the first support arm 16, but around the horizontal axis P3 of the third floor 6 (or another horizontal axis of the third floor 6). , May be configured to be supported swingably upward.
[0043]
[Fifth Alternative Embodiment of the Invention]
The present invention can be applied not only to the third row seats but also to the first row seats and the second row seats in a three-row seat type minivan type vehicle. The present invention can be applied not only to a three-row seat type minivan type vehicle but also to a first-row seat and a second-row seat in a two-row seat type vehicle.
[0044]
【The invention's effect】
According to the features of claim 1 (claims 2, 3 and 4), in the seat structure of the vehicle, the seat portion of the seat is swung upside down by turning the seat back portion, and the seat back portion is turned forward. When the folded state in which the back side of the section and the back side of the seat back portion are directed upward can be obtained, the folded state can be obtained in a state in which the occurrence of the koji phenomenon is small, and the operation of the seat can be performed. Properties could be improved.
[0045]
According to the features of claim 3 (claim 4), the seat seat and the seat according to the state of the front seat and the rear seat, the state of the floor of the vehicle body, and the state of the floor of the rear vehicle body. The seat back can be obtained in a folded state in which the backrest portion is entirely moved forward, and a seated portion of the seat and the backrest portion of the seat are moved completely rearward, thereby enhancing the functionality of the seat. I was able to.
According to the features of claim 3 (claim 4), the seat portion of the seat and the backrest portion of the seat are sufficiently separated by swinging the first support arm forward and swinging the second support arm rearward. As a result, the backrest of the seat can be configured to be sufficiently long, and the sitting comfort of the seat can be improved.
[0046]
According to the feature of claim 4, by lifting the support member upward, the entire seat (the seat seat and the seat backrest) can be lifted upward, and the indoor height near the seat (from the floor to the ceiling). Height), the floor near the seat can be used widely, and the functionality of the seat can be enhanced.
[0047]
According to the feature of claim 5, the "effect of the invention" of the above-described claim 4 is provided similarly to the case of the claim 4, and in addition to the "effect of the invention", the following "effect of the invention" It has.
According to the fifth aspect of the present invention, when the supporting member is configured to be liftable upward, the first supporting arm and the supporting member are supported by providing the supporting portion of the first supporting arm on the fixing portion of the vehicle body. Since it is not necessary to separately provide the support portion of the first support arm and the support portion of the support member in the fixing portion, it is advantageous in terms of simplification of the structure.
[0048]
According to the feature of claim 6, the "effect of the invention" of the above-mentioned claim 4 or 5 is provided similarly to the case of the claim 4 or 5, and in addition to the "effect of the invention", the following " Effect of the Invention ".
According to the feature of the sixth aspect, by operating in the upside down state, it is possible to obtain a state where the seat portion of the seat and the backrest portion of the seat are largely largely moved forward, and the functionality of the seat is improved. Could be raised.
According to the feature of claim 6, in the upside-down state, there is almost no step between the floor of the rear vehicle body and the back surface of the seat portion, and the floor of the rear vehicle body and the seat portion of the seat. Luggage and the like can easily be placed on the back of the device, which is advantageous in terms of ease of use.
[Brief description of the drawings]
FIG. 1 is a side view showing a state in which a second-row seat and a third-row seat are operated in a normal use state in a three-row seat type minivan type vehicle;
FIG. 2 is a side view showing a state in which a seat portion of a second-row seat is positioned on a first floor portion and a backrest portion of a second-row seat is slightly tilted forward from the state shown in FIG. 1;
FIG. 3 is a side view showing a state in which the backrest of the second row of seats is tilted forward to the seat from the state shown in FIG. 1;
FIG. 4 shows a state in which the seats of the seats in the second row are positioned on the first floor, and the backrest of the seats in the second row is tilted backward to the second floor from the state shown in FIG. Side view
FIG. 5 is a side view showing a state where the seats of the seats in the second row are positioned on the first floor and the backrest of the seats in the second row is tilted forward to the seat from the state shown in FIG. 1;
FIG. 6 shows a vertically inverted state in which the seats and the back of the backrest of the third row of seats face upward from the state shown in FIG. 5, and the support member and the first support arm are lifted upside down; Side view
FIG. 7 is a side view showing a state where the backrest of the third row of seats is tilted forward to the seat from the state shown in FIG. 1;
FIG. 8 is a side view showing a state in which the backrest of the third row of seats is tilted forward to the seat from the state shown in FIG. 1 and the support member and the first support arm are lifted upward;
FIG. 9 shows a state where the seats of the third row of seats are turned upside down from the state shown in FIG. 1 and the second support arm is swung rearward, and the backrest of the third row of seats is tilted forward. Showing side view
10 shows a state in which the seats in the third row are operated in a normal use state and the state shown in FIG. A perspective view showing a state where the backrest portion of the third row of seats is tilted forward by swinging.
[Explanation of symbols]
3 sheets
6 Rear car body floor
13 Seat seat
14 Seat back
16 Support arm (first support arm)
17 Supporting members
19 Support arm (second support arm)
P3 Horizontal axis of fixed part of vehicle body (horizontal axis of front side of support member)
P4 Horizontal axis of the end of the support arm (first support arm)
P5 Horizontal axis of the first support arm
P6 Horizontal axis of the fixed part of the body (the rear part of the support member)
P7 Horizontal axis of the end of the support arm (second support arm)

Claims (6)

The front of the seat seat is swingably supported around the horizontal axis of the fixed part of the vehicle body,
A support arm is swingably provided around a horizontal axis of a fixed portion of the vehicle body, and a lower portion of a seat back portion is swingably connected around a horizontal axis of an end of the support arm,
The seat back portion of the seat is configured to be operable in a normal use state in which the seat back portion is directed obliquely rearward and upward,
The seat portion of the seat is swung around the horizontal axis of the fixed portion of the vehicle body to be turned upside down, the support arm is swung rearward, and the backrest of the seat is rotated around the horizontal axis of the end of the support arm. The seat structure of the vehicle is configured to be operable in a folded state in which the back surface of the seat seat and the back surface of the seat back portion are directed upward by swinging forward and tilting forward. The lower part of the seat back is swingably supported around the horizontal axis of the fixed part of the vehicle body,
A support arm is swingably provided around a horizontal axis of a fixed portion of the vehicle body, and a front portion of a seat portion of the seat is swingably connected around a horizontal axis of an end of the support arm,
The seat back portion of the seat is configured to be operable in a normal use state in which the seat back portion is directed obliquely rearward and upward,
The support arm is swung forward, the seat portion of the seat is swung about a horizontal axis at the end of the support arm and turned upside down, and the seat back is rotated around the horizontal axis of a fixed portion of the vehicle body. The seat structure of the vehicle is configured to be operable in a folded state in which the back surface of the seat seat and the back surface of the seat back portion are directed upward by swinging forward and tilting forward. A first support arm is swingably provided around a horizontal axis of a fixed portion of the vehicle body, and a front portion of a seat portion is swingably connected around a horizontal axis at an end of the first support arm. ,
A second support arm is swingably provided around a horizontal axis of a fixed portion of the vehicle body, and a lower portion of a seat back portion is swingably connected around a horizontal axis at an end of the second support arm,
The seat back portion of the seat is configured to be operable in a normal use state in which the seat back portion is directed obliquely rearward and upward,
The first support arm is swung forward or backward, the seat of the seat is swung about a horizontal axis at an end of the first support arm to be turned upside down, and the second support arm is moved forward or rearward. And swinging the backrest of the seat around the horizontal axis at the end of the second support arm and tilting it forward, the back surface of the seat seat and the back surface of the seat backrest are lifted up. A vehicle seat structure that is configured to be operable in a folded state toward the vehicle. A first support arm is swingably provided around a horizontal axis of a fixed portion of the vehicle body, and a front portion of a seat portion is swingably connected around a horizontal axis at an end of the first support arm. ,
A second support arm is swingably provided around a horizontal axis at a rear portion of a support member mounted on a fixed portion of the vehicle body, and a lower portion of a seat back portion around a horizontal axis at an end of the second support arm. Is connected swingably,
The seat back portion of the seat is configured to be operable in a normal use state in which the seat back portion is directed obliquely rearward and upward,
The first support arm is swung forward or backward, the seat of the seat is swung about a horizontal axis at an end of the first support arm to be turned upside down, and the second support arm is moved forward or rearward. And swinging the backrest of the seat around the horizontal axis at the end of the second support arm and tilting it forward, the back surface of the seat seat and the back surface of the seat backrest are lifted up. It is configured to be operable to be folded toward
A seat structure for a vehicle, wherein the support member is configured to be able to swing upward around a horizontal axis at a front side of the support member. The vehicle according to claim 4, wherein a front portion of the support member is swingably connected around a horizontal axis of the first support arm so that the support member can be swung up. Sheet structure. The back surface of the seat seat and the back surface of the seat back portion face upward, and the support member is configured to be operable in an upside-down inverted state in which the support member is lifted upward and turned upside down. The vehicle seat structure according to claim 4 or 5, wherein the floor of the vehicle body and the back surface of the seat are substantially the same height.

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