JP3898319B2 - Vehicle folding seat structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a folding seat structure of a vehicle.
[0002]
[Prior art]
Some vehicles include a front seat, a second seat, and a third seat in the front row, the second row, and the third row in the vehicle compartment, respectively. These second sheets and third sheets generally employ folding sheets in order to change the form of the indoor space according to the application.
As an example of a folding seat, for example, Japanese Utility Model Publication No. 59-110239 “a vehicle for combined use with three rows of seats” has been proposed. As shown in FIG. (The same reference numbers are used for the following. The same shall apply hereinafter.) Is folded forward 90 ° and placed on the seat cushion 31, and then the horizontal seat cushion 31 and the seat back 32 are moved 90 degrees around the horizontal rotation axis. Rotate and turn up along the wall of the passenger compartment.
[0003]
[Problems to be solved by the invention]
According to the above technique, since the seat cushion 31 and the seat back 32 are lifted against the gravity from the bottom to the top, a relatively large lifting force is required.
Then, the seat cushion 31 and the seat back 32 folded toward the passenger compartment wall inevitably tend to fall down. In order to suppress this, for example, it is necessary to hold the seat on the vehicle compartment wall side with a strap for preventing the body from falling down. In order to hold a relatively heavy sheet, the strap needs to be thick and long. For this reason, the handling time of a strap extends and it may take time for folding of a sheet | seat.
[0004]
Then, the objective of this invention is providing the technique which can fold a sheet | seat easily.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, claim 1 of the present invention comprises a base disposed on the floor of a vehicle, a support shaft standing near the vehicle compartment wall of the base, and a predetermined radius centered on the support shaft. An arc guide provided on the base, a slider slidably fitted on the arc guide, a revolving plate supported by the slider and the support shaft, and a folding sheet attached to the revolving plate. , a folding spindle provided seat cushion of said folding seat for foldably rotate supported by the seat back side, and accommodated state of the sheet over cushions in a state of combined said seat cushion sheet Tobakku was along the cabin walls, vehicle A support plate for supporting both sides of the seat cushion is erected on the swivel plate, and can be horizontally swung between the normal seating state facing forward, and the folding plate Characterized in that it is provided only the support shaft.
[0006]
Since the seat cushion and the seat back are horizontally rotated, it is not necessary to lift the seat cushion and the seat back against gravity. For this reason, the sheet can be stored with a relatively small force, and the sheet can be easily stored.
In addition, since the seat cushion is placed along the vehicle compartment wall, even if the strap that holds the seat cushion loosens and comes off, the seat cushion only leans against the vehicle compartment wall. There is no worry about falling into the passenger compartment.
[0007]
According to a second aspect of the present invention, the base is a slide base that is slidably mounted back and forth on a rail stretched on the floor of the vehicle.
Since the seat can be slid back and forth, the seat storage position can be arbitrarily selected. As a result, the space in the vehicle compartment can be changed according to the application.
According to a third aspect of the present invention, there is provided a common turning lock mechanism capable of fixing the folding seat in a stored state and a normal seating state.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a perspective view of a vehicle provided with a vehicle folding seat structure according to the present invention. In the description, “left”, “right”, “front”, and “rear” indicate directions or positions when viewed by the driver.
The vehicle 1 is a vehicle (hereinafter referred to as “minivan”) in which an engine (not shown) is mounted in a bonnet 2 and does not have a trunk section, and is a first row front seat 10 and a second row second seat. (Divided bench seat) 15 and third row third seat (bench seat) 18 are arranged indoors. 4 indicates a front wheel, and 6 indicates a rear wheel.
[0009]
The front seat 10 includes a driver seat captain seat 11 attached to the right side of the minivan 1 and a passenger seat captain seat 12 attached to the left side of the minivan 1. Reference numeral 13 denotes a walk-through passage, and the walk-through passage 13 is a passage through which an occupant can pass between the captain seats 11 and 12.
The second sheet 15 includes a left second sheet 16 and a right second sheet 20. The right second seat 20 has a vehicle folding seat structure according to the present invention.
[0010]
FIG. 2 is a side view of a vehicle folding seat structure according to the present invention.
In the folding seat structure 20 of the vehicle, a slide base 24 is slidably mounted on a rail 44 laid on a floor 22 of a minivan, the swivel plate 26 is placed on the slide base 24, and the folding sheet 30 is attached to the swivel plate 26. Is. The vehicle folding seat structure 20 will be described in detail with reference to FIG.
The folding seat 30 includes a seat cushion 32 having a rear end 32a attached to the left and right support plates 27 and 28 (not shown on the right side) of the revolving plate 26 with bolts 33 and nuts 33a, and bolts 35a and 35a to the support plates 27 and 28. The reclining adjuster 37 is attached to the reclining adjuster 37 with bolts 35b and 35b, and the headrest 36 is attached to the top of the seat back 34.
[0011]
The seat cushion 32 includes legs 38 and 38 (the rear side is not shown) and a lock claw 39 on the front end 32b side. The lock claw 39 is attached to the seat cushion 32 so as to be rotatable by a pin 40, and is pressed by a spring member (not shown) in the counterclockwise direction in the figure to be hooked on the latching portion 41 to resist the spring force. Thus, it can be removed from the latching portion 41 by rotating it clockwise. The latch 41 is a member attached to the slide base 24.
[0012]
FIG. 3 is an exploded perspective view of a vehicle folding seat structure according to the present invention.
The vehicle folding seat structure 20 includes left and right rails 44 and 45 stretched on the floor 22 of the minivan 1, left and right sliders 47 and 48 fitted in the left and right rails 44 and 45, and left and right sliders 47 and 48. The supporting slide base 24 shown in FIG. 2, the slide lock mechanism 50 that locks the slide base 24 in a desired position, the support shaft 52 that stands on the position close to the compartment wall 1 a of the slide base 24, and the support shaft 52 as the center. An arc groove 56 (arc guide) provided on the slide base 24 with a predetermined radius and a central angle of approximately 90 °, a swing slider (slider) 58 slidably fitted in the arc groove 56, the swing slider 58 and the support 2 that is supported by the shaft 52, a turning lock mechanism 60 that locks the turning plate 26 in the use position (forward) and the storage position (sideways), and FIG. Consisting of the described folding seat 30. Hereinafter, each configuration will be described in detail.
[0013]
The slide lock mechanism 50 rotates the operation rod 51a in the clockwise direction to remove the slide lock piece 51c from the slide lock claw 51b to release the lock, and returns the operation rod 51a to the counterclockwise direction by the torsion spring 51b. Thus, the slide lock claw 51b is engaged with the slide lock piece 51c to position the slide base 24 at a desired position.
[0014]
The turning lock mechanism 60 releases the lock of the turning plate 26 by pulling the operating rod 61 upward, and pushes the operating rod 61 down to the lock position by the compression spring 62 to move the operating rod 61 to the first and second. This is a mechanism that is inserted into the lock holes 63a and 64a of the lock plates 63 and 64 to lock the swivel plate 26 between the use position and the storage position.
[0015]
The support shaft 52 is attached with a lower nut 54a with the lower end inserted into the boss 53 on the slide base 24 side, and attached with the upper nut 54b with the upper end inserted into the boss 55 of the swivel plate 26. .
The revolving plate 26 is a member that horizontally revolves about 90 ° from the use position to the storage position when the revolving slider 58 moves from the rear end 56a to the front end 56b of the arc groove 56 around the support shaft 52.
The left slider 47 includes a resin slide piece 47 a that slides within the left rail 44, and the right slider 48 includes a resin slide piece 48 a that slides within the right rail 45. The swivel slider 58 includes a resin slide piece 58 a that slides in the arc groove 56.
[0016]
FIG. 4 is a cross-sectional view of a vehicle folding seat structure according to the present invention.
In the folding seat structure 20 of the vehicle, the slide base 24 is supported by sliders 47, 48 fitted to the left and right rails 44, 45, and the support shaft 52 is positioned closer to the vehicle interior wall 1 a (shown in FIG. 3). The swivel slider 58 and the support shaft 52 fitted in the arc groove 56 support the swivel plate 26, and the folding sheet 30 is attached to the left and right support plates 27, 28 of the swivel plate 26. In this state, the operation rod 61 of the turning lock mechanism 60 is pushed down to the locked position by the compression spring 62, and the turning plate 26 is inserted into the lock hole 63a of the first lock plate 63 and locked in the use position. 55a is a thrust bearing.
[0017]
Next, the operation of the vehicle folding seat structure 20 described above will be described.
FIGS. 5A and 5B are first operation explanatory views of the vehicle folding seat structure according to the present invention.
In (a), the lock claw 39 is turned as shown by the arrow {circle around (1)} to be removed from the latching portion 41. Next, the seat cushion 32 is flipped up as shown by the arrow {circle around (2)} around the bolt 33 at the rear end 32a.
[0018]
In (b), the raised seat cushion 32 is fixed to the seat back 34 with the strap 66. Next, the operation rod 61 of the turning lock mechanism 60 is pulled upward as indicated by the arrow (3) to release the lock of the turning plate 26. Next, the seat cushion 32 and the seat back 34 that are flipped up are horizontally turned about 90 ° from the use position to the storage position as shown by the arrow {circle around (4)} around the support shaft 52.
[0019]
FIGS. 6A and 6B are second operation explanatory views of the vehicle folding seat structure according to the present invention.
In (a), the operating rod 61 of the turning lock mechanism 60 is pushed down to the locking position by a compression spring 62 (shown in FIG. 4), whereby the operating rod 61 is locked in the lock hole 64a (shown in FIG. 3) of the second lock plate 64. Plug in. As a result, the folding sheet 30 can be locked in the storage position.
Here, since the slide base 24 can be slid in the front-rear direction as indicated by the arrow (5), the folding sheet 30 can be folded at a desired position in the room. For this reason, the optimal space can be obtained indoors according to a use.
[0020]
(B) shows the state which folded the folding seat structure 20 of the vehicle from the use state (it shows with an imaginary line) to the side window glass side centering on the spindle 52. FIG. Since the walk-through passage 68 that can pass between the folding seat structure 20 of the vehicle and the second seat 16 on the left side can be formed in the front-rear direction, for example, the driver can use the walk-through passage from the walk-through passage 13 on the front seat 10 side. It can be easily moved to the third seat 18 through 68 as shown by the arrow (6).
It is also possible to place a long object such as a ski on the walk-through passages 13 and 68.
[0021]
7 (a) and 7 (b) are explanatory views of the third action of the vehicle folding seat structure according to the present invention, in which (a) shows a comparative example and (b) shows an embodiment.
In (a), when the seat 100 is folded to the storage position on the compartment wall 101 side, the seat back 102 is first folded forward 90 ° and placed on the seat cushion 103, and then the horizontal rotation shaft 104 is the center. Then, the horizontal seat cushion 103 and the seat back 102 are turned up by 90 ° and are placed along the vehicle interior wall 101.
[0022]
Since the seat cushion 103 and the seat back 102 are lifted against the gravity from the bottom to the top, a relatively large lifting force is required.
Then, the seat cushion 103 and the seat back 102 folded to the passenger compartment wall 101 side inevitably tend to fall down. In order to suppress this, for example, it is necessary to fasten the sheet 100 folded by the fall-preventing strap 105 and hold it on the vehicle interior wall 101 side. The strap 105 is required to be thick and long in order to hold the sheet 100 which is relatively heavy. For this reason, it becomes difficult to handle the strap 105 and it takes time to fold the sheet.
[0023]
In (b), the folding seat 30 can be folded to the storage position on the side of the passenger compartment wall 1a only by horizontally turning the seat cushion 32 and the seat back 34 by 90 °. As a result, since it is not necessary to lift the seat cushion 32 and the seat back 34 against gravity, the folded seat 30 can be easily stored with a relatively small force.
In addition, since the seat cushion 32 is placed along the passenger compartment wall 1a, the seat cushion 32 only leans against the passenger compartment wall 1a even if the strap 66 is loosened and removed. There is no worry that 32 will fall into the passenger compartment.
[0024]
In the embodiment described above, the folding seat 30 is slidably attached in the longitudinal direction of the vehicle. However, the base 24 may be directly fixed to the floor 22 without sliding.
In the above-described embodiment, the content of using the arc groove 56 as the arc guide has been described, but the same effect can be obtained by using, for example, an arc rail.
[0025]
In the above embodiment, the example in which the right side second sheet is the folding sheet structure 20 has been described, but the left side second sheet 16 may be a folding sheet structure. In the above-described embodiment, the contents of attaching the slide pieces 44a, 45a, 58a made of resin to the left and right sliders 44, 45 and the turning slider 58 have been described. In addition, the slide portion is configured using rollers and balls. May be.
[0026]
In the above-described embodiment, the content of setting the central angle of the arc groove 56 to approximately 90 ° has been described. However, even if the center angle of the arc groove 56 is other than approximately 90 °, the seat cushion 32 and the seat back 34 that are flipped up are used. Can be turned to the storage position. Further, it is not necessary to limit the horizontal turning angle of the seat cushion 32 and the seat back 34 that are flipped up to only 90 °.
[0027]
【The invention's effect】
The present invention exhibits the following effects by the above configuration.
According to the first aspect of the present invention, the seat cushion and the seat back can be horizontally swiveled to store the seat, so that it is not necessary to lift the seat cushion and the seat back against gravity. As a result, the sheet can be stored with a relatively small force, and the sheet can be stored easily.
In addition, since the seat cushion is placed along the compartment wall and locked by the turning lock mechanism, even if the strap that holds the seat cushion loosens and comes off, the seat cushion only leans against the compartment wall. There is no worry that the seat cushion will fall into the passenger compartment as in the past.
[0028]
According to the second aspect of the present invention, since the base is a slide base, the seat storage position can be arbitrarily selected by sliding the seat back and forth. As a result, since the space in the vehicle compartment can be changed according to the application, the usability of the vehicle is improved.
According to a third aspect of the present invention, there is provided a common turning lock mechanism capable of fixing the folding seat in the housed state and the normal seating state.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle provided with a folding seat structure for a vehicle according to the present invention. FIG. 2 is a side view of a folding seat structure for a vehicle according to the present invention. FIG. 4 is a sectional view of a vehicle folding seat structure according to the present invention. FIG. 5 is a first operation explanatory view of a vehicle folding seat structure according to the present invention. FIG. 6 is a vehicle folding seat according to the present invention. Second operation explanatory diagram of structure [FIG. 7] Third operation explanatory diagram of vehicle folding seat structure according to the present invention [Explanation of symbols]
1 ... minivan (vehicle), 1a ... Kurumashitsukabe, 20 ... folded sheet structure of the vehicle, 22 ... floor, 24 ... slide base (base), 26 ... pivot plate, 27, 28 ... left and right support plate (support plate ), 30 ... folded sheet, 32 ... seat cushion, 33 ... bolt (folding spindle), 34 ... seat back, 44 ... left rail, 45 ... right rails, 47 ... left slider 48 ... right slider 52 ... support shaft , 56 arc guide (arc groove), 58 slider (swivel slider) , 60 swing lock mechanism .

Claims (3)

A base placed on the floor of the vehicle, a support shaft standing near the compartment wall of the base, an arc guide provided on the base with a predetermined radius centered on the support shaft, and a slide on the arc guide Comprising a slider fitted to the slider, a revolving plate supported by the slider and the support shaft, and a folding sheet attached to the revolving plate.
The swivel plate is provided with a folding spindle that rotatably supports the seat cushion of the folding seat so that it can be folded on the seat back side.
Wherein the sheet over cushions the seat cushion in a state that matches the sheet Tobakku a storage state in which along the cabin walls, between the normal seating state toward the front of the vehicle and be horizontally turning,
A folding seat structure for a vehicle , wherein a support plate that supports both side portions of the seat cushion is erected on the revolving plate, and the folding support shaft is provided on the support plate .   2. The vehicle folding seat structure according to claim 1, wherein the base is a slide base that is slidably mounted on a rail stretched on a floor of the vehicle. The vehicle folding seat structure according to claim 1 or 2, further comprising a common turning lock mechanism capable of fixing the folding seat in a stored state and a normal seating state.

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