JP3639889B2 - Rotating rear seat structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of a rotating rear seat for use in getting on and off a passenger car.
[0002]
[Prior art]
In recent years, in a one-box type vehicle, a rear seat with a lift, which is a separate seat type and can be lifted and lowered by a motor after being rotated, has been used.
FIG. 12 is a schematic view showing a conventional one-box rotating rear seat. In the figure, the rear seat 4 of a conventional one-box type passenger car 2 can be easily removed from the vehicle by manually opening the door 3 and rotating the rear seat 4 to the door side by approximately 90 degrees and then lowering it by a motor driven lifter. To get off.
[0003]
Such a rotating rear seat 4 requires a seat rotation mechanism, a slide mechanism, a lifter mechanism, and the like, and since the mechanisms are complicated, it is limited to a separate seat type, and a sedan passenger car A simple rotating rear seat structure has not been provided because the rear seat cannot secure the space required for rotation.
[0004]
[Problems to be solved by the invention]
Therefore, in view of the above problems, the present invention has a structure of a rotating rear seat that allows the user to go out of the vehicle while sitting on the seat or to ride in the seated state with a simple configuration of only the rotating mechanism in the rear seat of the sedan system vehicle. The purpose is to provide.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a rotating rear seat according to a first aspect of the present invention is a sedan-type passenger car rear seat having a stationary rear seat back and a stationary rear seat cushion, and can be engaged with and disengaged from the stationary rear seat back. Supports a rotating rear seat with a rotating rear seat back and a rotating rear seat cushion , a step for mounting a leg attached to the front of the rotating rear seat cushion, a vertically movable armrest attached to the side of the rotating rear seat cushion, and the rotating rear seat cushion A rotating mechanism portion that rotates in the forward and reverse directions. The rotating mechanism portion includes a base that is fixed to the vehicle body, a bar that is provided on a bracket that is erected at an end on the base, and a bar that is provided via a hinge. Armrest link with the armrest attached to the end of the bar and the bar A lower plate and a roller attached to the lower surface of the plate, the bar is supported by the plate on the base, and the roller on the lower surface of the plate is centered on the rotation axis of the hinge. The rotary rear seat attached to the bar moves to the outside of the vehicle by moving up.
[0006]
Further, in the structure of the rotating rear seat according to the second aspect of the present invention, the rotating mechanism portion locks the lock at the time of rotation and the lock at the time of storage at the respective positions of the striker at the time of rotation and the striker at the time of storage. The lock mechanism is provided .
[0007]
According to a third aspect of the present invention, there is provided a rotating rear seat structure in which a support is provided at an end portion of the plate, and a flat plate portion of the support is located below the base, and a front end of the rotating rear seat cushion is provided. Even if a load is applied to the side, the support is configured to suppress the lifting of the rear portion of the plate by the support .
[0008]
With such a configuration, in the structure of the rotating rear seat according to the present invention, by causing the armrest, a clearance is secured between the stationary rear seat cushion in the height direction and the rotating rear seat rotates around the rotating shaft closer to the vehicle outer side. Therefore, in the structure of the rotating rear seat according to the present invention, it is possible to get out of the vehicle while sitting on the seat by simply rotating the rear seat with a simple configuration of only the rotating mechanism.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the structure of the rotating rear seat of the present invention will be described with reference to FIGS. In the drawings, the same reference numerals are used for the same members.
FIG. 1 is a schematic view of a fixed rear seat. FIG. 2 is an exploded view showing the overall configuration of the rotating rear seat. As shown in FIGS. 1 and 2, for example, a rear seat of a sedan type passenger vehicle has a fixed rear seat back 10 and a fixed rear seat cushion 12, which are fixed to the vehicle body.
In addition, the rotating rear seat structure 20 of the present invention constitutes a part of the fixed-side rear seat back 10 and is embedded in the fixed-side seat back 10 so as to be accommodated. A rear seat back 22 detachable from the fixed side seat back 10, which can be detached from the back 10, a rotating rear seat cushion 24, and a step 28 for placing a leg connected to the front of the rotating rear seat cushion 24; The armrest 40 attached to the side of the rotating rear seat cushion 24 and the rotating mechanism 30 that supports the rotating rear seat cushion 24 and rotates it forward and backward.
In this example, the rear seat back 22 is formed so as to be embedded in the fixed-side rear seat back 10 of the left seat as described above, and the rotating rear seat cushion 24 is independent of the fixed-side rear seat cushion 12 so as to be separable therefrom. Are arranged.
[0010]
FIG. 3 is a schematic view showing the rotation locus of the rotating rear seat according to the present invention.
As shown in FIG. 3, the rotation axis X of the rotation mechanism according to the present invention is provided closer to the outside of the vehicle.
In the structure of the rotating rear seat 20 according to the present invention, a part of the rear seat cushion is configured in a state where the armrest 40 is pulled down. However, by causing the armrest 40 to move upward, a gap is formed between the fixed rear seat cushion 12 in the height direction. Then, it can be moved out of the vehicle simply by rotating it in the direction of the arrow of the alternate long and short dash line (counterclockwise direction) shown in FIG. The movable mechanism of the armrest 40 will be described later with reference to FIG.
[0011]
Next, the structure of the rotating rear seat 20 of the present invention will be described in detail. FIG. 4 is an exploded view of the rotation mechanism 30 according to the present invention.
Referring to FIG. 4, a rotating mechanism 30 according to the present invention includes a base 32 fixed to a vehicle body floor surface and the like, and a bar 38 provided on a bracket 34 standing on the base 32 via a hinge 36. Yes. The hinge 36 is provided at the end of the base 32, that is, in the vehicle outer side direction of the rear seat cushion.
[0012]
Seat cushion mounting members 35 and 37 for attaching the rotating rear seat cushion 24 (see FIG. 2) are fixed to the bar 38, and the link base 47 of the armrest link 41 is fixed to the one seat cushion mounting member 35 from the lateral direction. Has been. The armrest link 41 has a front link 45 and a rear link 46 having the same length, and an armrest mounting member 42 is provided on the upper portion.
[0013]
Below the bar 38 that supports the rear seat cushion 24, there is provided a plate 50 to which rollers 51, 53 moving on the base 32 are attached to the lower surface. Further, a rotation lock 55 and a storage lock 57 are fixed to the lower surface of the plate 50, and engage with a rotation striker 31 and a storage striker 33 provided on the base 32 at respective positions. Is locked.
[0014]
FIG. 5 is a partial cross-sectional view of the rotation mechanism unit 30.
As shown in FIG. 5, the support 59 provided at the end portion of the plate 50 supports the flat plate portion 58 of the support 59 located below the base 32. In FIG. 5, reference numeral 53 denotes a roller.
[0015]
FIG. 6 is a detailed view of the locking mechanism.
As shown in FIG. 6, the rotation lock 55 and the storage lock 57 include movable lock portions 61 and 63 that are urged so as to be rotatable inward as indicated by an arrow D. The strikers 31 and 33 are locked by the claws 62 and 62 of the 61 and 63.
When the release lever 74 is pulled in the direction of arrow E, the movable lock portions 61 and 63 are pulled by the remote cable 72 around the Y axis via the levers 64 and 65, respectively, to release the striker and the lock is released. It has become so.
[0016]
FIG. 7 is a view showing a step type release lever.
As shown in FIG. 7, a release lever 76 to which a remote cable 72 is connected is provided on the side of step 28. After the step 28 is tilted forward to a horizontal position, the remote cable 72 is gripped by grasping the release lever 76. Thus, the lock 55 during rotation and the lock 57 during storage can be released simultaneously.
[0017]
Next, the operation of the structure of the rotating rear seat according to this embodiment will be described.
FIG. 8 is an explanatory diagram of the operation of the rotation mechanism.
In FIG. 8, A indicates a position before rotation, that is, a state in which the rotating rear seat is set in the vehicle interior, and B indicates a position after rotation, that is, a state in which the rotating rear seat has come out of the vehicle interior. At the position A, the storage lock 57 of the plate 50 and the striker 33 of the base 32 are engaged to lock the bar 38 to which the rotating rear seat cushion 24 is attached.
When rotating as indicated by an arrow C indicated by a two-dot chain line, the rollers 51 and 53 move on the base 32 around the rotation axis X of the hinge 36, and the flat portion 58 of the support 59 is below the base 32. Move while staying on the side. When the position B is reached, the lock 55 during rotation of the plate 50 engages with the striker 31 during rotation of the base 32 to lock the movement of the bar 38.
[0018]
As described above, in the structure of the rotating rear seat according to the present invention, the rotation mechanism 30 rotates around the end of the base 32, that is, the rotation axis X provided closer to the vehicle body outward direction. , 37 can be moved to the outside of the vehicle body.
[0019]
Next, the operation of the armrest 40, the function of the support 59, and the operation method of the rotating rear seat 20 will be described.
FIG. 9 is a view showing a link locus of the armrest 40 attached to the right side of the rotating rear seat cushion 24. FIG. 10 is an explanatory diagram showing the function of the support 59. FIG. 11 is a diagram illustrating a method of operating the rotating rear seat.
First, as shown by a two-dot chain line in FIG. 9, when the armrest 40 is raised, the bottom portion of the stopper 43 abuts on the upper surface of the link base 47 to lock the armrest 40. When the armrest 40 is pushed down and stored until it is flush with the fixed seat cushion 12, the front link 45 and the rear link 46 have the same length. When the member 42 always moves horizontally and reaches the position shown by the solid line in FIG. 9, the stopper 43 comes into contact with the back surface of the armrest mounting member 42 and is locked at a predetermined position.
Therefore, the simple armrest according to the present embodiment can be used as an armrest for the rotating rear seat 20 while being stored horizontally to be a part of the seat cushion of the rear seat.
[0020]
Next, the function of the support 59 will be described.
As shown in FIG. 10, there is no problem when the load position of the occupant 82 at the time of getting on and off is the normal seating position W, but when the load position is on the front end side W ′ of the seat, the rotation axis X of the hinge 36 at the time of getting on and off. The rear part of the plate 50 tends to float around the center. The support 59 restricts such an upward moment and rattling around the X axis from being applied to the plate 50 more than a certain amount. Reference numeral 81 denotes a part of the vehicle body.
Therefore, the support 59 in this embodiment can suppress the lift of the rear portion of the plate 50 even when a load is applied to the front end side of the rear seat cushion 24 when getting on and off. Further, this function can prevent rattling during rotation of the seat and rattling during traveling in the seat retracted state.
[0021]
Next, a method for operating the rotating rear seat will be described.
First, from the normal state shown in FIG. 11A, the armrest 40 is raised, step 28 is taken out, and the lever on the side of the seat cushion is pulled to release the lock (FIG. 11B). When the rotating rear seat 20 is rotated around the rotation axis X with the rear door opened, the rotating rear seat protrudes out of the vehicle and is fixed at that position (FIG. 11 (c)), and the passenger gets on and off.
When the rotating rear seat 20 is stored, the rotating rear seat is rotated so that the rear seat back 22 is accommodated in the fixed-side rear seat back 10 and the step 28 and the armrest 40 are stored.
Thus, in the present invention, the rotating rear seat can be moved to the outside of the vehicle body simply by rotating the rotating rear seat 20, and after the rear seat is stored, the rear seat can be integrated with the fixed seat.
[0022]
【The invention's effect】
As can be understood from the above description, in the structure of the rotating rear seat of the present invention, a clearance is secured between the fixed rear seat cushion in the height direction by causing a simple armrest, and around the rotating shaft closer to the vehicle outer side. Therefore, it is possible to get on and off while sitting on the seat simply by rotating the rear seat with a simple configuration of only the rotating mechanism, and is particularly suitable for the aged and disabled.
In addition, since only the rotation mechanism is adopted, it is inexpensive and easy to operate, and after storing the rotating rear seat, a sense of unity with the fixed seat is generated, and it can be applied to a welfare vehicle or the like.
[Brief description of the drawings]
FIG. 1 is a schematic view of a fixed rear seat according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view showing an overall configuration of a rotating rear seat according to the present invention.
FIG. 3 is a schematic view showing a sheet rotation locus according to the present invention.
FIG. 4 is an exploded perspective view of a rotation mechanism unit according to the present invention.
FIG. 5 is a partial cross-sectional view of a rotation mechanism unit according to the present invention.
FIG. 6 is a detailed view of a locking mechanism according to the present invention.
FIG. 7 is a perspective view showing a release lever for a step for placing a leg according to the present invention.
FIG. 8 is an operation explanatory diagram of a rotation mechanism unit according to the present invention.
FIG. 9 is a diagram showing a link locus of an armrest according to the present invention.
FIG. 10 is an explanatory diagram showing a function of a support according to the present invention.
FIG. 11 is a diagram showing a method for operating a rotating rear seat according to the present invention.
FIG. 12 is a schematic view showing a conventional one-box rotating rear seat.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Fixed side rear seat back 12 Fixed side rear seat cushion 20 Rotating rear seat structure 22 Rear seat back 24 Rotating rear seat cushion 28 Step 30 Rotating mechanism 31 Rotating striker 32 Base 33 Storing striker 34 Brackets 35, 37 Seat cushion mounting member 36 Hinge 38 Bar 40 Armrest 41 Armrest link 45 Front link 46 Rear link 47 Link base 50 Plate 51, 53 Roller 55 Rotating lock 57 Storing lock 59 Support 72 Remote cable 74 Release lever X Rotating shaft

Claims (3)

In the rear seat of a sedan type passenger car having a fixed rear seat back and a fixed rear seat cushion,
A rotating rear seat with a rotating rear seat back and a rotating rear seat cushion that can be engaged with and disengaged from the fixed rear seat back, a step for mounting a leg attached to the front of the rotating rear seat cushion, and a vertical movement attached to the side of the rotating rear seat cushion. An armrest, and a rotating mechanism that rotates in the forward and reverse directions while supporting the rotating rear seat cushion ,
A base that is fixed to the vehicle body, a bar that is provided on a bracket upright at an end on the base, a hinge, an armrest link in which the armrest is attached to an end of the bar, and the bar And a roller attached to the lower surface of the plate, the bar is supported by the plate on the base, and the roller on the lower surface of the plate is centered on the rotation axis of the hinge. A structure of a rotating rear seat that moves on a base and moves the rotating rear seat attached to the bar to the outside of the vehicle . The rotation mechanism unit includes a lock mechanism that locks the lock at the time of rotation and the lock at the time of storage at the respective positions of the striker at the time of rotation and the striker at the time of storage. Structure of the described rotating rear seat. A support is provided at an end of the plate, and a flat plate portion of the support is located below the base,
2. The structure of the rotating rear seat according to claim 1 , wherein even if a load is applied to the front end side of the rotating rear seat cushion, the support suppresses the lifting of the rear portion of the plate .

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