JP4239209B2 - Vehicle seat device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle seat device that can be reclined by, for example, dividing a rear seat back into a separate configuration.
[0002]
[Prior art]
Japanese Patent Application Laid-Open No. 9-86241 discloses a structure in which a seat back of a rear seat is divided into two and each seat back is configured to be reclining.
[0003]
[Problems to be solved by the invention]
In the conventional rear seat, the seat back is divided into two at a ratio of 5 to 5 or 6 to 4 in the vehicle width direction, and each seat back is one step forward (in a state where the seat back is pushed down on the seat cushion), and several rear It is possible to recline in stages, and one of the seat backs can be tilted horizontally into the seat cushion to allow access to the rear trunk room, and long luggage such as skis and surfboards can be loaded, while the other The seat back has enough space for adults to sit on.
[0004]
However, in the above conventional seat back, for example, when the wide seat back is turned down and an adult is seated on the narrow seat back, the seating space is small, and the seat back is seated on the narrow seat back. When the seat back is reclined rearward, a step is generated between the two seat backs, so that the holdability and riding comfort of the back by the seat back are deteriorated.
[0005]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a vehicle seat device that can secure a wide seat back area even when reclining, and can improve the holdability of the back and improve the riding comfort. That is.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems and achieve the object, a vehicle seat device according to the present invention is a vehicle seat device having a reclining seat back, the seat back including a first seat back, A first connecting mechanism that is divided into two seat backs and a third seat back disposed between the first and second seat backs and connects the first seat back and the third seat back; And a second connecting mechanism for connecting the second seat back and the third seat back, and a first reclining operation is performed on a side portion of the first seat back opposite to the third seat back. A reclining operation unit is provided, and in conjunction with the operation of the first reclining operation unit, the connection of the second connection mechanism is released, and the third seat back is moved to the first seat bar. And a second reclining operation unit for reclining operation is provided on the side of the second seat back opposite to the third seat back, in conjunction with the operation of the second reclining operation unit. The connection of the first connection mechanism is released, and the third seat back is reclined together with the second seat back .
[0008]
Preferably, the third seat back is divided and configured so as to be able to recline independently from the first and second seat backs.
[0009]
Preferably, the third seat back is provided with an armrest capable of appearing and retracting on a seat cushion.
[0010]
Preferably, the third seat back is divided in the vehicle width direction, and the divided portions on the first seat back side and the second seat back side are reclining in conjunction with the first seat back and the second seat back, respectively. It is possible, and each divided part can be reclined independently.
[0011]
【The invention's effect】
As described above, according to the first aspect of the present invention, the seat back is divided into the first to third seat backs, and the first and second seat backs on the opposite side of the third seat back have the first, A second reclining operation unit is provided, and the first or second reclining operation unit is operated to release the connection between the first or second seat back and the third seat back, and the third seat back is used as the first or second seat back. By reclining together, even when one seat back is tilted down and reclined, the area of the other seat back area can be ensured, and the holdability of the back can be improved to improve riding comfort.
[0013]
According to the invention of claim 2 , the third seat back is divided and configured to be able to recline independently from the first and second seat backs, so that the upper part is opened between the first and second seat backs. Space can be formed, and long and tall luggage can be stored.
[0014]
According to the invention of claim 3 , the armrest can improve the ride comfort of the third seat back by disposing the armrest that can be projected and retracted on the seat cushion.
[0015]
According to the invention of claim 4 , the third seat back is divided in the vehicle width direction, and the divided portions on the first seat back side and the second seat back side are interlocked with the first seat back and the second seat back, respectively. Since the reclining is possible and each of the divided parts can be reclined independently, the degree of freedom of selection of the seat back area is increased according to the size of the luggage or the occupant.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0017]
FIG. 1 is a side view of the vehicle seat device of the present embodiment. FIG. 2 is a front view showing the seat back of FIG.
[0018]
As shown in FIGS. 1 and 2, the vehicle seat device of the present embodiment includes a first seat back 1, a second seat back 2, and a first seat back in which a reclining rear seat is divided into three in the vehicle width direction. And a third seat back 3 disposed between the second seat backs 1 and 2. The first and second seat backs 1 and 2 are divided by 2/5, and the third seat back is divided by 1/5.
[0019]
The first and second seatbacks 1 and 2 each have a reclining mechanism that can swing independently in the longitudinal direction of the vehicle body. The third seatback 3 is one of the first and second seatbacks 1 and 2. Or it reclines with the 1st and / or 2nd seat backs 1 and 2 by the connection mechanism connected to both.
[0020]
Headrests 1a to 3a are provided on the upper sides of the first to third seatbacks 1 to 3, respectively, which are arranged behind the head of the occupant.
[0021]
The first to third seat backs 1 to 3 are located between a front reclining position P1 that is folded forward of the vehicle body and folded horizontally on the seat cushion 4 and a rear reclining position P2 that is folded backward at a predetermined angle to the vehicle body. And can be swung and fixed at a predetermined angle. At the rear reclining position P2, the package tray 6 behind the seat back is bent.
[0022]
The third seat back 3 is provided with an armrest 5 that can be projected and retracted on the seat cushion 4.
[0023]
The first to third seat backs 1 to 3 communicate with the rear trunk room at the front reclining position P1 folded horizontally on the seat cushion 4, and further communicate with the trunk room at the position where the armrest 5 is folded onto the seat cushion 4. Is done.
[0024]
FIG. 3 is a detailed view of the seat back coupling mechanism of the present embodiment.
[0025]
The connecting mechanism includes a first connecting mechanism 10 that connects the third seat back 3 to the first seat back 1, and a second connecting mechanism 20 that connects the third seat back 3 to the second seat back 2. Three seat backs 3 are provided.
[0026]
The first connecting mechanism 10 connects the third seat back 3 to the first seat back 1, and the second connecting mechanism 20 connects the third seat back 3 to the second seat back 2. The third seat back 3 is interlocked with the reclining seat back.
[0027]
The first connecting mechanism 10 in FIG. 3 shows a state in which the third seat back 3 is connected to the first seat back 1, and a protrusion that is pressed by the spring 12 so as to protrude toward the first seat back 1 side. 11 is pushed against the spring 12 on the side of the first seat back 1 on the side of the third seat back 3, pushes and rotates one end of the L-shaped link 13, and pivots on the other end of the L-shaped link 13. The locked lock pin 14 is pulled to maintain the unlocked state. In this unlocked state, the convex protrusion 16 that is pressed by the spring 15 so as to protrude toward the first seat back 1 is fitted and connected to the concave portion 1 c of the first seat back 1.
[0028]
On the other hand, the second coupling mechanism 20 of FIG. 3, the second seat back 2 and a third seat back 3 shows the state of non-connecting and pulling the first seat back 1 of the reclining lever 1L, second sheet The convex protrusion 26 fitted in the recess 2c on the back 2 side is pulled in against the spring 25, the engagement between the third seat back 3 and the second seat back 2 is released, and the first seat back 1 and the third seat back 3 can be reclined, and when the third seat back 3 and the second seat back 2 are relatively displaced by the reclining operation, the spring 22 urges the second seat back 2 to project toward the second seat back 2 side. The projected portion 21 is released from the pressing by the side surface of the second seat back 2, protrudes from the side surface of the third seat back 3, pulls one end portion of the L-shaped link 23, rotates it, and is L-shaped. The lock pin 24 connected to the other end of the link 23 protrudes by the urging force of the spring, and the enlarged diameter portion 27 of the convex protrusion 26 engages with the lock pin 24 so that the second seat back of the convex protrusion 26 The movement protruding to the second side is locked, and the locked state is maintained even if the hand is released from the reclining lever 1L, and the second seat back 2 and the third seat back 3 are disconnected.
[0029]
In the state where the convex protrusion 26 (16) is removed from the recess 2c (1c) of the second seat back 2, the engagement between the protrusion 21 (11) and the side recess 2b (1b) The engagement state between the third seat back 3 and the second seat back 2 (first seat back 1) is maintained to some extent.
[0030]
The first and second coupling mechanisms 10 and 20 in FIG. 3 show the case where one is in the locked state and the other is in the unlocked state for convenience of explanation. In order to enter the unlocked state, the reclining lever 3L of the third seat back 3 may be pulled.
[0031]
4 to 6 are diagrams illustrating an operation example of the coupling mechanism.
[0032]
As shown in FIG. 4, when the third seat back 3 is connected to the first seat back 1, the reclining lever 1L on the first seat back 1 side is pulled, and the second seat back 2 and the third seat back 3 What is necessary is just to cancel | release the locked state. As a result, the third seat back can be reclined together with the first seat back 1.
[0033]
As shown in FIG. 5, when connecting the third seat back 3 to the second seat back 2 by pulling the reclining lever 2L of the second seat back 2 side, a first seat back 1 and the third seat back 3 What is necessary is just to cancel | release the locked state. As a result, the third seat back 3 can be reclined together with the second seat back 2.
[0034]
As shown in FIG. 6, when only the third seat back 3 is moved without connecting the third seat back 3 to the first and second seat backs 1 and 2, the reclining lever of the third seat back 3 is used. 3L is pulled and the locked state of the 1st and 2nd seat back 2 and the 3rd seat back 3 should just be cancelled | released. As a result, the third seat back 3 can be lowered onto the seat cushion 4 independently of the first and second seat backs 1 and 2.
[Modification]
FIG. 7 is a view showing a modification of the vehicle seat device of the present embodiment.
[0035]
As shown in FIG. 7, the third seat back 3 is further divided into two in the vehicle width direction, for example, the divided portion 3 B on the second seat back 2 side can be reclining in conjunction with the second seat back 2, the divided portion 3 a of the first seat back 1 side may be reclinable configured independently.
[0036]
According to the above embodiment, even when the first seat back 1 and the third seat back 3, the second seat back 2 and the third seat back 3, or only the third seat back 3 is reclined, the remaining seat back area is widened. It can improve the ride comfort by improving the hold on the back.
[0037]
Note that the present invention can be applied to modifications or variations of the above-described embodiment without departing from the spirit of the present invention.
[Brief description of the drawings]
FIG. 1 is a side view of a vehicle seat device according to an embodiment.
FIG. 2 is a front view showing the seat back of FIG. 1;
FIG. 3 is a detailed view of the seat back coupling mechanism of the present embodiment.
FIG. 4 is a diagram illustrating an operation example of a coupling mechanism.
FIG. 5 is a diagram illustrating an operation example of a coupling mechanism.
FIG. 6 is a diagram illustrating an operation example of a coupling mechanism.
FIG. 7 is a view showing a modification of the vehicle seat device of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Headrest 2 ... Headrest movable frame 3 ... Guide hole 5 ... Link member 10 ... Side frame 11 ... Upper frame 12 ... S spring

Claims (4)

A vehicle seat device having a reclining seat back,
The seat back is divided into a first seat back, a second seat back, and a third seat back disposed between the first and second seat backs, and the first seat back and the first seat back. A first coupling mechanism that couples three seat backs, and a second coupling mechanism that couples the second seat back and the third seat back,
A first reclining operation portion for performing a reclining operation is provided on a side portion of the first seat back opposite to the third seat back;
In conjunction with the operation of the first reclining operation unit, the connection of the second connection mechanism is released, and the third seat back is reclined together with the first seat back,
A second reclining operation portion for performing a reclining operation is provided on a side portion of the second seat back opposite to the third seat back;
The vehicle seat device , wherein the connection of the first connecting mechanism is released in conjunction with the operation of the second reclining operation unit, and the third seat back is reclining together with the second seat back . 2. The vehicle seat device according to claim 1 , wherein the third seat back is divided and configured to be able to recline independently from the first and second seat backs. The vehicle seat device according to claim 1 or 2 , wherein the third seat back is provided with an armrest that can be projected and retracted on a seat cushion. The third seat back is divided in the vehicle width direction, and the divided portions on the first seat back side and the second seat back side can be reclining in conjunction with the first seat back and the second seat back, respectively. The vehicle seat device according to any one of claims 1 to 3 , wherein each of the divided portions can be reclined independently.

Images