JP2001260725A - Vehicle center seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the serviceability of the center seat of a second seat disposed in an RV such as a wagon vehicle, when it is used as a seat, an armrest and a table. SOLUTION: The center seat 10 positioned between the captain seats of the second seat has its seatback 12 reclinably and foldably attached to a seat cushion 11 via double hinges. A slide device 30 is provided which is slidable against a fixed rail 101. An interlock mechanism 40 for a reclining lever 24 and an interlock mechanism 50 for the slide device 30 are provided. In a seat configuration, the center seat is slidingly locked and reclinable; in an armrest configuration, its reclining is locked and it is slidable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a center seat disposed between captain seats and slidably mounted on a vehicle body floor via a slide device on a fixed rail extending in the front-rear direction. The present invention relates to a vehicle center seat including a cushion and a seat back which is tiltably and foldably attached to the seat cushion via a two-stage hinged recliner.

[0002]

2. Description of the Related Art For example, as shown in FIG. 16, many RVs 1 such as a wagon have many seats arranged in three rows so that a large number of people can board. The driver's seat 2a and the auxiliary seat 2b, and the second seat 3 is a left and right captain seat 3.
a and a center sheet 3b sandwiched between them. In the third sheet 4, a pair of sheets 4a and 4b are disposed at symmetrical positions.

In order to enhance the functionality, the left and right captain seats 3a of the second seat 3 are slidable along the front and rear directions with respect to the fixed rail 5, so that the front and rear positions can be adjusted appropriately. A rotary type has also been proposed so as to be able to face an occupant sitting on the third seat 4.

Further, similarly to the captain seat 3a, the center seat and 3b of the second seat 3 are slidable with respect to the fixed rail 5, and have a use form as a seat on which an occupant can sit. It has the function of

That is, the center seat 3b has a seat cushion 6 slidable with respect to the fixed rail 5, and a seat back 7 is mounted via a two-stage hinge recliner 8, as shown in FIG. 17 (a). As described above, the recliner 8 can be operated by the lower hinge to adjust the backrest angle of the seat back 7.

Further, as shown in FIG. 17B, the seatback 7 is folded by operating the recliner 8 by the upper hinge, and the back of the seatback 7 is placed on the armrest 7a.
It can also be used as The center seat 3b can be slid along the front-rear direction of the vehicle by the slide device indicated by reference numeral 9, and can be locked at an appropriate position with respect to the fixed rail 5.

[0007]

As described above, in the conventional wagon vehicle 1, the center seat 3b of the second seat 3 is used as a seat on which an occupant sits.
Although the seat back 7 is tilted forward and used as an armrest or a table, the center seat 3b is in a seatable state when in a position parallel to the left and right captain seats 3a. In this state, the lock of the slide device 9 of the center sheet 3b may be released, and there is a disadvantage that an appropriate position of the center sheet 3b cannot be stably secured.

Further, when the center seat 3b is used as an armrest or a table, a reclining lever may be operated by mistake, and it is pointed out that the armrest or the table cannot be stably held.

An object of the present invention is to provide an RV vehicle such as a wagon vehicle,
For example, in a seat configuration in which seats are arranged in three rows before and after the vehicle, the usability of the center seat in the second seat is enhanced, and the usability is enhanced by stably securing the function as the seat and the functions as the armrest and the table. It is intended to provide a center sheet for use.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a vehicle center seat according to a first aspect of the present invention is a center seat provided between captain sheets. And a seat cushion slidably attached to a fixed rail extending in the front-rear direction on the vehicle body floor via a sliding device, and the seat cushion can be tilted and folded via a two-stage hinged recliner with respect to the seat cushion. A center seat, the reclining lever of the two-stage hinge recliner is locked at a position other than the position adjacent to the captain seat, and the center seat is in the position parallel to the captain seat. One time, the reclining lever locks When the state is released, the interlock mechanism of the reclining lever that enables the reclining operation of the seat back, and when the seat back is in the reclining position, the slide device is locked, the seat back is raised and the arm rest state is set, An interlock mechanism of the slide device that releases the locked state of the slide device and enables a slide operation of the seat is provided.

According to a second aspect of the present invention, in the vehicle center seat, the interlock mechanism of the reclining lever includes a lever stopper selectively engaging with the reclining lever, and a relative positional relationship between the captain seat and the center seat. It consists of a rod that operates in accordance with the relative movement between the seat parallel position and other positions, and a link arm that converts the longitudinal movement of the rod into the vertical movement of the lever stopper. When the center seat is located at the side-by-side position, the lever stopper is lowered, the interlock lock state is released, and the reclining lever can be operated.

According to a third aspect of the present invention, in the vehicle center seat, the interlock mechanism of the slide device is urged in one direction by a return lock and a slide lock plate which becomes free to rotate when the seat back is tilted backward. , A slide lock plate and a latch stopper connected by a wire. The latch stopper moves forward by the backward tilting operation of the seat back, and the latch stopper regulates the vertical movement of the latch, thereby locking the slide device. At the same time, when the seat back is raised, the slide lock plate is rotated to pull the latch stopper backward, and the latch corresponds to the latch stopper operating hole, allowing the latch to move up and down, enabling slide operation. It is characterized by the following.

In the vehicle center seat according to the fourth aspect, a projection is provided on the captain seat side of the outer surface of the leg cover of the center seat so as to project upward from the slide lever of the captain seat, and the slide lever can be moved up and down. It is characterized in that it is regulated by this projection.

Therefore, according to the vehicle center seat of the present invention, both the reclining lever for tilting the seat back to a predetermined backrest angle and the slide device for adjusting the front and rear position of the seat with respect to the fixed rail on the vehicle body floor are provided. An interlock mechanism is provided for each.When the center seat comes to the side-by-side position with the left and right captain seats, the locked state of the interlock mechanism on the reclining lever is released. Is locked by the interlock mechanism, so that when used as a seat, the reclining lever can be operated at any time, a desired backrest angle can be obtained, and the front and rear positions of the center seat are shifted to form an armrest or table. In use, since the reclining lever is locked, it can be held stable as the armrest or table.

When the center seat is used as a seat on which an occupant sits, the center seat is positioned in a position parallel to the captain seat. At this time, since the slide device cannot be operated by the interlock mechanism, erroneous operation of the slide lever causes When the center seat is used as a table or armrest by shifting the front / rear position of the center seat, the interlock mechanism of the slide device is unlocked. By operating, the appropriate position can be freely selected.

[0016] Furthermore, a projection that covers the upper part of the slide lever of the captain sheet protrudes from the outside surface of the leg of the center sheet, so that erroneous operation of the slide lever in the captain sheet can be prevented.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a vehicle center seat according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a structural explanatory view showing a use form as a seat in a vehicle center seat according to the present invention, FIG. 2 is a structural explanatory view showing a use form as an armrest in the vehicle center seat, and FIG. It is explanatory drawing which shows the relationship between a vehicle center seat and a captain seat.

A vehicle center seat 10 according to the present invention.
FIG. 1 shows a use form as a seat on which an occupant can sit, and FIG. 2 shows a use form as an armrest. The seat back 12 can be tilted at a desired reclining angle with respect to a seat cushion 11 on which the occupant sits. The seat back is provided so as to be foldable forward so as to be in an armrest state.

That is, a recliner 20 with a two-stage hinge
The reclining arm 22 is rotatably supported on a base 21 attached to the seat cushion 11 based on a lower hinge portion A, and a folding arm 23 is provided on an upper end of the reclining arm 22 based on an upper hinge portion B. The folding arm 23 is attached to the seat back 12. And the base 21
In contrast, the reclining arm 22 can be locked at a desired tilt position, the seat back 12 can be locked at a desired backrest angle, and a comfortable seating feeling can be obtained.

On the other hand, in order to adjust the tilt angle of the seat back 12, the locked state between the base 21 and the reclining arm 22 is released by pulling up the reclining lever 24, and an urging spring (not shown) is used. )
Thereby, the seat back 12 is urged in the counterclockwise direction in FIG. 1 based on the lower hinge portion A. At this time, the occupant tilts the seat back 12 rearward with respect to the urging force, so that the seat back 12 has a desired reclining angle.
Can be adjusted.

Further, as shown in FIG. 2, when the reclining arm 22 is tilted forward to a substantially upright state, the locked state between the reclining arm 22 and the folding arm 23 is released, and the folding arm 23 is tilted forward by approximately 90 °, so that the back surface 12a of the seat back 12 can be used as an armrest as shown in the figure, and the table 13 can be moved rearward by approximately 18 degrees based on the support portion 13a.
It can also be used as the table 13 by rotating by 0 °.

Next, the configuration of the slide device 30 attached to the vehicle center seat 10 will be described.
Here, in FIG. 1, the slide device 30 is in a locked state, the center sheet 10 cannot slide, and
In FIG. 2, the locked state of the slide device 30 is released, and the center sheet 10 is slidable.

The slide device 30 includes a latch 31 having a latch claw 31a engageable with a lock hole 101 of a fixed rail 100 on the vehicle body floor side, a slide lever 32 for releasing the engagement of the latch claw 31a, And a link arm 33 interposed therebetween.
The spring 2 is always urged by an urging spring (not shown) in the locking direction (counterclockwise in the drawing) based on the support portion 32a.

In order to release the locked state of the latch 31 shown in FIG. 1, if the slide lever 32 is pulled upward, the link arm 33 is rotated, and the latch 31 is pulled upward, and the lock hole of the fixed rail 100 is locked. Latch claw 3 from 101
1a is released, the locked state is released, and the center seat 1
0 indicates a slidable state shown in FIG.

As described above, the vehicle center seat 10 according to the present invention allows the seat back 12 to be tilted and folded forward through the two-stage hinged recliner 20, and the vehicle center seat 10 to be fixed to the fixed rail 1.
00, the slide device 30 can be slid along and can be locked at a predetermined position. In particular, in the vehicle center seat 10 according to the present invention, the interlock mechanism of the reclining lever 24 and the interlock of the slide device 30 are provided. A lock mechanism is newly provided to enhance usability.

As shown in FIG. 3, when the center seat 10 is in the side-by-side position with respect to the second right seat (hereinafter referred to as the captain seat) 200, the reclining operation is possible, that is, the reclining operation is possible. The interlock mechanism of the lever 24 has been released, and the slide device 30 is in the locked state. On the other hand, in the position shown in (b) in the drawing, which is not the parallel position with respect to the captain seat 200, the seat does not become a seat on which the occupant can sit, but is used as an armrest and a table. And the slide device 30
Is unlocked, and the armrest and table can be slid to appropriate positions.

Next, the interlock mechanism 40 of the reclining lever 24 will be described with reference to FIGS.
A description will be given based on (a), (b) to FIG. First, the lever stopper 41 is provided so as to be vertically movable such that the upper end 41 a of the lever stopper 41 faces the reclining lever 24.
1b is connected to a rod 43 via three link arms 42a, 42b, 42c, and the rod 43 is supported so as to be able to advance and retreat in the front-rear direction. This is converted into a vertical movement of the lever stopper 41. As shown in FIG. 6, the rod 43 is connected to a sensor arm 44 having a sensor function.

Then, for example, the center sheet 10 is slid from the position (b) to the position (a) in FIG.
When the center sheet 10 is positioned at the side-by-side position with respect to the captain sheet 200, as shown in FIG. 6, the convex portion 201 of the captain sheet 200 rotates the sensor arm 44, and the rod 43 moves in either the left or right direction. 4A and 4B, the lever stopper 41 moves downward and comes to a position where it does not interfere with the reclining lever 24, as shown in FIGS.
As shown in FIG. 7, the operation of the reclining lever 24 becomes possible. That is, the interlock mechanism 40 of the reclining lever 24 is released. FIG. 4 (a)
FIG. 4B shows a state in which the center sheet 10 is slid forward and returned to the (A) position, and FIG. 4B shows a state in which the center sheet 10 is slid backward and returned to the (A) position.

In contrast, when the vehicle center seat 10 is located at the position (b) in FIG. 3, that is, when it is used as an armrest or a table, as shown in FIG. Upper end 41 of stopper 41
Since a is engaged with the notch 24a of the reclining lever 24 and the reclining lever 24 is in a locked state, the reclining lever 24 cannot be operated as shown in FIG. Therefore, when the center seat 10 is at the position (b) in FIG. 3, the reclining lever 21 does not inadvertently operate, and can be used stably as an armrest or a table.

Next, the interlock mechanism 50 of the slide device 30 will be described with reference to FIGS. The interlock mechanism 50 of the slide device 30 includes a slide lock plate 51 that operates in conjunction with a forward and backward tilting operation of the reclining arm 22 and a latch stopper 52 that regulates the movement of the latch 31, and is connected by a wire 53. The latch stopper 52 is urged by a return spring 54 in the locking direction (forward direction), and has a latch operation hole 55 that allows the latch 31 to move up and down.

Therefore, when the center seat 10 is located at the position (a) in FIG. 3, the seat back 12 is in a rearwardly inclined state as shown in FIG. 1, and as shown in FIG. By the tilting operation, the slide lock plate 51 becomes free to rotate, and the return stopper 54 moves the latch stopper 52 forward. As shown in FIG.
Is shifted from the latch 31, and the latch stopper 52 is the latch 3
The slide device 30 is locked to restrict the upward movement of 1. Therefore, the slide lever 32 of the slide device 30 is not erroneously operated, only the reclining angle of the seat back 12 can be adjusted, and an effective function as a seat can be secured.

On the other hand, when the center seat 10 is located at the position (b) in FIG. 3, the center seat 10 is used as an armrest or a table when the seat back 12 is folded, as shown in FIG. Meanwhile, the reclining arm 22 is tilted forward in a substantially upright state.
As shown in FIG. 9, the interlock mechanism 50 of the slide device 30 causes the protrusion 22 a of the reclining arm 22 to press the slide lock plate 51 and rotate counterclockwise in the figure, and the wire 53 returns to the return spring 54. The latch stopper 52 moves rearward by being pulled in the direction of the arrow in FIG.

Then, as shown in FIG. 10, the latch operation hole 55 of the latch stopper 52 and the insertion portion 3 of the latch 31 are formed.
1b matches, and the latch 31 can move up and down. Therefore, when the slide lever 32 of the slide device 30 is lifted, the latch 31 is raised, and the latch claw 31a of the latch 31 is disengaged from the lock hole 101 of the fixed rail 100.
The second seat 10 is slidable in the (B) position.

As described above, the vehicle center seat 10 according to the present invention is located at the position (a) in FIG. 3, that is, when the center seat 10 is in a position parallel to the captain seat 200,
The locked state of the interlock mechanism 40 in the reclining lever 24 is released, and the sliding device 3
Since the zero interlock mechanism 50 is locked, the seat back 12 can be freely adjusted to a desired reclining angle without inadvertently sliding as a seat.

In the position (b) in FIG. 3, the interlock mechanism 40 of the reclining lever 24 is in a locked state, and the interlock mechanism 50 of the slide device 30 is unlocked. The seat back 12 to be used is not inadvertently tilted, and the armrest and the table can be slid to an arbitrary position, so that usability can be improved.

Next, as shown in FIG. 11, the captain sheet 200 of the leg cover 60 of the center sheet 10 is used.
By forming a convex portion 61 on the surface facing the, and restricting the vertical movement of the slide lever 202 of the captain sheet 200, erroneous operation of the slide lever 202 of the captain sheet 200 can be prevented beforehand, and the seat position can be stabilized. Can be planned.

As described above, according to the present invention, in the mode of use of the center sheet 10 shown in FIG. 1, as shown in FIG. Since it is locked and the locked state of the interlock mechanism 40 of the reclining lever 24 is released, it functions effectively as a sheet together with the captain sheet 200.
In addition, the code | symbol 210 in a figure shows a 3rd sheet.

When the seat back 12 of the center seat 10 is tilted forward from this state as shown in FIG. 14 to be used as an armrest, the interlock mechanism 40 of the reclining lever 24 operates, and the reclining operation is performed. While the lever 21 is locked,
The locked state of the slide device 30 can be released, and the center seat 10 as the armrest can be slid to any position in the front and rear. Further, as shown in FIG. 15, after the center seat 10 is slid backward, the table 1
By tilting the seat 3 backward, a table that can be used by the occupant of the third seat 210 can be provided.

[0039]

The above is an embodiment of the vehicle center seat according to the present invention. According to the vehicle center seat of the present invention, the reclining lever for tilting the seat back to a predetermined backrest angle, and the vehicle body floor Each of the slide devices that can adjust the front and rear position of the seat with respect to the fixed rail is provided with an interlock mechanism, and when the center seat comes to the side-by-side position with the left and right captain seats, the interlock mechanism on the reclining lever is locked. When the state is released and the center seat is not in the position parallel to the captain seat, the reclining lever is locked by the interlock mechanism, so that when used as a seat, the reclining lever can be operated at any time, and a desired backrest angle can be obtained. Yes, center When by shifting the longitudinal position of the preparative use as armrest or table, since the reclining lever is locked, has the effect of holding a stable state as armrest or table.

Further, when the center seat is used as a seat on which an occupant sits, the center seat is positioned in a position parallel to the captain seat. At this time, since the slide device cannot be operated by the interlock mechanism, erroneous operation of the slide lever causes When the center seat is used as a table or armrest by shifting the front / rear position of the center seat, the interlock mechanism of the slide device is unlocked. By operating, the appropriate position can be freely selected.

Therefore, the vehicle center seat according to the present invention has the effect of stabilizing the functionality of both the seat function, the armrest and the table function, and improving the usability.

[Brief description of the drawings]

FIG. 1 is a configuration explanatory view showing a usage form as a seat in a vehicle center seat according to the present invention.

FIG. 2 is a configuration explanatory view showing a usage form as an armrest in a vehicle center seat according to the present invention.

FIG. 3 is an explanatory diagram showing a relationship between a vehicle center seat and a captain seat according to the present invention.

FIGS. 4A and 4B respectively show an interlock mechanism of a reclining lever according to the present invention, wherein FIG. 4A is an explanatory view of an unlocked state, and FIG. 4B is an explanatory view of an unlocked state from the opposite direction.

FIG. 5 is an explanatory view showing a locked state in the interlock mechanism of the reclining lever according to the present invention.

FIG. 6 is an explanatory view showing an interlock mechanism of the reclining lever according to the present invention.

FIG. 7 is an explanatory view showing a locked state of an interlock mechanism of the slide device according to the present invention.

FIG. 8 is an explanatory view showing a latch in a locked state in the interlock mechanism of the slide device according to the present invention.

FIG. 9 is an explanatory view showing an unlocked state of the interlock mechanism of the slide device according to the present invention.

FIG. 10 is an explanatory view showing a latch in an unlocked state of the interlock mechanism of the slide device according to the present invention.

FIG. 11 is a front view showing a relationship between a captain sheet and a center sheet.

FIG. 12 is a side view showing a relationship between a captain sheet and a center sheet.

FIG. 13 is an exterior view of the interior of the vehicle showing the use state of the vehicle center seat according to the present invention.

FIG. 14 is an indoor exterior view showing an armrest state of the vehicle center seat according to the present invention.

FIG. 15 is an interior appearance view showing a state in which the vehicle center seat according to the present invention is used as a table.

FIG. 16 is an explanatory diagram showing an arrangement of three-row seats in an RV vehicle such as a wagon vehicle.

FIG. 17 shows a conventional center sheet, in which (a)
FIG. 3B is a side view showing a state at the time of reclining, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Center seat for vehicles 11 Seat cushion 12 Seat back 13 Table 20 Recliner with two-step hinge 21 Base 22 Reclining arm 23 Folding arm 24 Reclining lever 30 Slide device 31 Latch 32 Slide lever 33 Link arm 40 Interlock mechanism of reclining lever 41 Lever Stopper 42 Link 43 Rod 44 Sensor arm 50 Interlock mechanism of slide device 51 Slide lock plate 52 Latch stopper 55 Latch actuation hole 61 Projection 100 Fixed rail 101 Lock hole 200 Captain sheet 202 Slide lever 210 Third sheet A Lower hinge part B Upper hinge

Claims (4)

[Claims] 1. A seat cushion disposed between captain seats, the seat cushion being slidably attached to a fixed rail extending along the front-rear direction on a vehicle body floor via a sliding device, and the seat cushion. Via a two-stage hinged recliner
A center seat for a vehicle, comprising a seat back tiltably and foldably mounted, wherein the reclining lever of the two-stage hinge recliner is locked at a position other than the side-by-side position with the adjacent captain seat, and the center seat is captained. When the seat is in the side-by-side position, the locked state of the reclining lever is released and the interlock mechanism of the reclining lever that enables the reclining operation of the seat back, and when the seat back is in the reclining position, the slide device is locked, When the back is raised and put into the armrest state,
A center seat for a vehicle, comprising: an interlock mechanism of a slide device that releases a locked state of the slide device and enables a slide operation of the seat. 2. A reclining lever interlock mechanism, comprising: a lever stopper selectively engaging with the reclining lever; and a relative positional relationship between the captain seat and the center seat in a parallel position between the two seats and in a position other than the two positions. A rod that operates in accordance with relative movement between the two, and a link arm that converts longitudinal movement of the rod into vertical movement of the lever stopper. When the center sheet is located in the parallel position with respect to the captain sheet, the lever stopper The center seat for a vehicle according to claim 1, wherein the interlock is unlocked, and the reclining lever can be operated. 3. An interlock mechanism of the slide device,
When the seat back is tilted backward, it consists of a slide lock plate that becomes free to rotate and a latch stopper urged in one direction by a return spring and connected to the slide lock plate by a wire. , The latch stopper moves forward,
When the latch stopper regulates the vertical movement of the latch, the slide device is locked, and when the seat back is raised, the slide lock plate is rotated to pull the latch stopper rearward, and the latch stopper operating hole is opened. The center seat for a vehicle according to claim 1 or 2, wherein the latch is adapted to move up and down so as to be slidable. 4. A projection is provided on the outer side surface of the leg cover of the center sheet on the side of the captain sheet toward the upper side of the slide lever of the captain sheet, and the vertical movement of the slide lever is regulated by the projection. A vehicle center seat according to any one of claims 1 to 3.