JP2001260724A - Flip-up seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an operating lever from projecting into luggage room when a flip-up seat provided in the rear of an RV such as a wagon vehicle or a minivan is flipped up, so as to safely carry luggage and simplify the structure of a lock member. SOLUTION: An unlocking rod 25 for driving a lock bracket 22 which engages the striker 42 of a vehicle body floor 40 has its end 25a separated from the rotating arm 32 of the operating lever 30. The operating lever 30 is attached to the lower portion of the rear end of a seat cushion 11. When the seat cushion 11 is operated to flip upward, the operating lever 30 is prevented from projecting into the luggage room R even during the operation of storing the lock bracket 22, and the use of a separated structure provides a simplified structure without connectors, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat cushion in which a seat back is tiltably mounted on a seat cushion, and a front side edge of a lower surface of the seat cushion is rotatably supported on a vehicle body floor via a flip-up hinge. A lock member that engages with a striker on the vehicle body floor and an operation lever that can release the engagement of the lock member are attached to the rear side edge, respectively. A flip-up type seat that is stored on the lower surface side and linked with a rotation operation of the seat cushion so as to be in an upright state from the lower surface of the seat cushion when the seat cushion is mounted on the vehicle body floor, so that the lock member can be raised and lowered. .

[0002]

2. Description of the Related Art Conventionally, a wagon or a minivan or the like
By adopting a flip-up seat as a seat on the rear row side of a V-vehicle or the like, there are many seats in which a luggage room space is effectively secured and a lot of luggage can be loaded.

For example, as shown in FIG. 4 (a), a conventional flip-up seat 1 is tilted such that a seat back 1b serving as a backrest of an occupant can take a desired backrest angle on a seat cushion 1a on which the occupant sits. The front edge of the seat cushion 1a is rotatably supported by a flip-up hinge 3 of the vehicle body floor 2,
A lock member (hook) 5 that engages with a lock striker 4 provided on the vehicle body floor 2 is provided at a rear edge of the seat cushion 1a. Further, a lock release operation lever (hereinafter, referred to as an operation lever) 6 is provided to release the lock state of the lock member 5 with respect to the striker 4.

As a conventional configuration of the lock member 5 and the operation lever 6, as shown in FIG.
A striker 4 is provided at a location, and a lock member 5 engageable with the striker 4 is a bracket 5.
a so as to be rotatable. When the seat cushion 1a is mounted on the vehicle body floor 2, the lock member 5 is engaged with the striker 4 to be in a locked state. When the operating lever 6 is operated to release the locked state, the lock releasing rod 5b is released. Is pulled in the direction of the arrow in FIG. 5, the arm 5 c rotates, and the locked state of the lock member 5 with respect to the striker 4 is released.

[0005] The rotating arm 6 of the operating lever 6
The tip of a is connected to the arm 5c and the unlocking rod 5b by a push nut, and the lock member 5 is stored on the lower surface side of the seat cushion 1a when the seat cushion 1a is flipped up. I have.

Accordingly, in order to operate the flip-up type seat 1, as shown in FIG. 4B, the seat back 1b is brought forward with respect to the seat cushion 1a, and thereafter the operating lever 6 is operated. Striker 4 on body floor 2
After releasing the engagement of the lock member 5 with respect to FIG.
As shown in FIG. 6, if the seat cushion 1a is flipped up and operated in the direction of the arrow based on the hinge 3, a lot of space can be secured as the luggage room R.

[0007]

However, in the conventional locking mechanism of the flip-up seat 1, the locking member 5 is engaged vertically with the striker 4 of the vehicle body floor 2, so that the locking member 5 extends vertically downward from the lower surface of the seat cushion 1a. The operation lever 6 is provided in a horizontal direction from the base of the lock member 5, that is, in a direction orthogonal to the lock member 5 so that the occupant can easily perform the releasing operation.

Therefore, as shown in FIG. 4C, in a state where the seat cushion 1a is flipped up based on the hinge 3, the lock member 5 is stored along the lower surface of the seat cushion 1a. The operation lever 6 protrudes toward the luggage room R, which is likely to be an obstacle in the operation of loading luggage in the luggage room R, and also has a protruding shape, which is not preferable in terms of safety and appearance.

Further, the relationship between the lock member 5 and the operation lever 6 is such that the distal end portion of the rotation arm 6a of the operation lever 6, the lock release rod 5b and the arm 5c are connected by a push nut. Since the structure of the connecting portion is complicated and a bulky lock bracket 5a for accommodating both the lock member 5 and the operation lever 6 is required,
At the same time, it has been pointed out that the lock mechanism component becomes larger.

[0010] An object of the present invention is to prevent the operation lever from protruding to the luggage room side even when the lock member is retracted on the lower surface of the seat cushion in connection with the operation of flipping up the seat cushion. It is an object of the present invention to provide a flip-up seat that can simplify the structure of a portion connected to an operation lever.

[0011]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and the flip-up seat according to the first aspect of the present invention has a seat back which is attached to a seat cushion so as to be tiltable, A lower surface front side edge portion of the seat cushion is rotatably supported on the vehicle body floor via a flip-up hinge portion, and a rear side edge portion has a lock member engaged with a striker on the vehicle body floor, and the lock member. Operation levers capable of releasing the engagement of the seat cushions are respectively mounted, and the lock member is stored on the lower side of the seat cushion when the seat cushion is flipped up, and when the seat cushion is mounted on the vehicle body floor, the lock member is in a state of standing up from the lower surface of the seat cushion. In the flip-up seat in which the lock member can be tilted up and down in connection with the rotation operation of the seat cushion so that A lock release rod for releasing the lock state is provided, and the lock release rod operates integrally with the raising and lowering operation of the lock member, and the distal end thereof is configured to be separated from the operation lever. The lock member can be unlocked by positioning the distal end of the lock release rod within the operation range of the operation lever.

According to the flip-up seat according to the first aspect of the present invention, since the lock member and the operation lever are not of an integral structure, the lock member is connected to the flip-up operation of the seat cushion so that the lock member is located on the lower side of the seat cushion. , The operation lever does not protrude toward the luggage room. Further, the lock release rod for releasing the lock state of the lock member and the operation lever are separated, and when the lock member is raised and engaged with the striker on the vehicle body floor, the tip of the lock release rod is set to the operation lever. Since the lock member is located within the operation range and can be unlocked, the structure of the connecting portion between the lock member and the operation lever can be simplified.

According to a second aspect of the present invention, in the flip-up type seat, a seat back is attached to the seat cushion so that the seat back can be tilted, and a lower front side edge of the seat cushion is flipped up via a hinge portion. A lock member that engages with a striker on the vehicle body floor and an operation lever that can release the engagement of the lock member are attached to the rear side edge portion, respectively, and the lock member is When the seat cushion is flipped up, it is stored on the lower surface of the seat cushion, and when the seat cushion is mounted on the vehicle body floor, the lock member is raised in conjunction with the rotation operation of the seat cushion so that the seat cushion is raised from the lower surface of the seat cushion. In the flip-up seat which can be tilted, the lock member is provided with a lock release rod for releasing a locked state, and the lock member is provided with a lock release rod. The unlocking rod operates integrally with the raising and lowering operation of the lock member, and its tip is separated from the operation lever, and the operation lever is provided at a lower portion of the rear end of the seat cushion frame, and When standing up, the distal end of the unlocking rod is located within the operating range of the operating lever, so that the lock of the lock member can be released.

According to the flip-up seat according to the second aspect of the present invention, since the lock member and the operation lever are not integrally formed, and the operation lever is provided at a lower portion of the rear end of the seat cushion frame. Even when the lock member is stored on the lower surface side of the seat cushion in conjunction with the flip-up operation of the seat cushion, the operation lever does not protrude toward the luggage room. Also, the lock release rod for releasing the locked state of the lock member and the operation lever are separated,
When the lock member is raised and engaged with the striker on the vehicle body floor, the tip of the unlocking rod is located within the operation range of the operation lever, and the lock can be released. The structure of the part can be simplified.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a flip-up seat according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view showing a state in which a flip-up seat according to the present invention is mounted on a vehicle body floor, and FIG. 2 shows a configuration of a lock member and an operation lever attached to a seat cushion frame in the flip-up seat according to the present invention. FIG. 3 is a perspective view, and FIG. 3 is an explanatory view showing a state in which the flip-up sheet is flipped up.

Referring to FIG. 1, a flip-up type seat 10 according to the present invention is arranged such that a seat back 12 serving as a backrest of an occupant with respect to a seat cushion 11 on which the occupant sits can take a desired tilt angle with respect to the seat cushion 11. The reclining angle of the seat back 12 can be adjusted by a reclining device (not shown).

In the seat cushion 11, a spring member (not shown) is provided in a frame-shaped seat cushion frame 11a, a seat cushion pad is placed on the upper side thereof, and an outer surface of the seat cushion pad is covered by a seat cushion skin. It is configured to be mounted. As a support mechanism of the seat cushion 11, a hinge bracket 1 is provided at a front side edge of a lower surface of the seat cushion 11.
3 is fixed to the seat cushion frame 11a by welding or the like, and a lock member 20 and an operation lever 30 are provided at a rear edge of the lower surface of the seat cushion 11.

In contrast to the hinge bracket 13 and the lock member 20 of the flip-up seat 10, on the vehicle floor 40, a flip-up hinge support 41 and a lock member 20 for rotatably supporting the hinge bracket 13 respectively.
A striker 42 is provided which engages with the striker.

Next, the structure of the lock member 20 and the operation lever 30 provided on the rear edge of the seat cushion frame 11a will be described with reference to FIG. 2. The lock members 2 provided on the left and right sides of the seat cushion frame 11a will be described.
As a configuration of No. 0, a pair of hinge brackets 21 are fixed to the seat cushion frame 11 a by welding or the like, and the lock bracket 2 is attached to the hinge bracket 21.
2 is mounted so that the hinge portion 21a can be rotated in the direction of the arrow in FIG.

Further, the lock brackets 22 are connected to the corresponding storage link rods 23, respectively. When the seat cushion 11 is mounted on the vehicle body floor 40 and can be seated as shown in FIG. Hinge support 4
Rotation center 1 of hinge bracket 13 supported by 1
3a, the distal end 23a of the storage link rod 23 is located vertically below, so that the seat cushion 1
When the user 1 flips up the lock bracket 22, the lock bracket 22 is pulled by the storage link rod 23, and the lock bracket 22 is stored so as to fall down to the seat cushion 11 side.

The lock member 20 and the striker 42
The striker 42 of the vehicle body floor 40 is housed in the notch 22a of the lock bracket 22 and engages with the locking latch 24 built in the lock bracket 22 to lock the lock member 20 in the locked state. Is maintained. On the other hand, the unlocking rod 25 is connected to the arm 24a of the locking latch 24, and the unlocking rod 25 is pulled in the direction of arrow B in FIG.
The engagement between the striker 42 and the locking latch 24 is released.

In the present invention, the tip 25a of the unlocking rod 25 extends toward the operating lever 30, but the unlocking rod 25 rotates together with the raising / lowering operation of the lock bracket 22. Also, the two are separated without contacting the operation lever 30. The operation lever 30 has a bracket 31 for lever support fixed to the seat cushion frame 11a by welding or the like.
The operation lever 30 is rotatably supported by the bracket 31, and the rotation arm 32 is connected to the unlocking rod 25.
Is opposed to the tip 25a.

The lock member 20 shown in FIG. 2 has a lock bracket 22 in an upright state, and can be engaged with a striker 42 of a vehicle floor 40 (not shown).
In the upright state of the lock bracket 22, the unlocking rod 25a is located within the operation range of the rotating arm 32 of the operating lever 30, so that the operating lever 30 can be released. Middle arrow A
In this case, the rotation arm 32 of the operation lever 30 moves the distal end 25a of the unlocking rod 25 to the position B in FIG.
The lock state of the lock member 20 is released by operating the lock latches 24 of the left and right lock members 20 in the direction of disengaging from the striker 42 (not shown).

As described above, the lock member 20 and the operation lever 30 are not an integral structure as in the prior art but have a separated structure, and the operation lever 30 does not relate to the retracting operation of the lock bracket 22. Therefore, the reclining mechanism (not shown) is operated on the flip-up seat 10 in the seatable state shown in FIG. 1 to bring the seat back 12 forward, and thereafter, the striker 42 of the vehicle body floor 40 and the lock member are operated by the operation lever 30. After releasing the engagement with the locking latch 24 at 20, as shown in FIG. 3, if the seat cushion 11 is flipped up with respect to the flip-up hinge support 41 on the vehicle body floor 40, the space as the luggage room R is obtained. Can be effectively secured.

When the flip-up type seat 10 is set in the flip-up state, the lock bracket 22 is pulled by the storage link rod 23, and linked with the flip-up operation of the seat cushion 11, the lock bracket 22 is moved up. 11 is placed in a retracted state so as to overlap the lower surface of the lock bracket 2.
Since the operation lever 2 and the operation lever 30 are separated from each other, the operation lever 30 does not protrude into the luggage room R as in the related art, so that there is no adverse effect on the work of loading luggage into the luggage room R. It is also preferable in terms of safety and aesthetics.

Further, in the lock member 20 according to the present invention, since the lock releasing rod 25 and the operation lever 30 are not connected, a connecting tool such as a push nut can be eliminated, and a connecting operation is not required. Member 20
In addition to the simplification of the structure described above, the large-sized bracket that shares the lock bracket and the operation lever can also be eliminated, and thus has a practical value of being able to be made more compact. Further, only by adjusting the length of the unlocking rod 25, the operation lever 30 is moved to the lock member 20.
Can be provided at any point without being affected by the setting position of the operation lever 30, and there is an additional effect that the degree of freedom in designing the operation lever 30 can be increased.

[0027]

The above is the embodiment of the flip-up seat according to the present invention. According to the flip-up seat according to the first aspect of the present invention, the seat back is attached to the seat cushion so as to be tiltable. A lower edge front side edge portion of the seat cushion is rotatably supported on the vehicle body floor via a flip-up hinge portion, and a rear side edge portion includes a locking member which engages with a striker on the vehicle body floor; Operation levers capable of releasing the engagement of the lock members are respectively mounted. The lock members are stored on the lower side of the seat cushion when the seat cushion is flipped up, and stand up from the lower surface of the seat cushion when the seat cushion is mounted on the vehicle body floor. In the flip-up seat in which the lock member can be turned upside down in connection with the rotation operation of the seat cushion so as to be in the state, the lock member has A lock release rod for releasing the locked state is provided, and the lock release rod operates integrally with the raising and lowering operation of the lock member, and the distal end thereof is separated from the operation lever. Since the tip of the unlocking rod is located within the operating range of the operation lever, the lock member can be unlocked.Since the lock member and the operation lever are not integrated, Even if the lock member is retracted on the lower side of the seat cushion in conjunction with the seat cushion flipping operation, the operation lever does not protrude to the luggage room side, making it easy and secure to load and unload luggage into the luggage room And the aesthetic appearance in the luggage room can be kept good.

Further, the lock releasing rod for operating the lock member and the operation lever are separated from each other, and when the lock member is raised and engaged with the striker on the vehicle body floor,
Since the tip of the unlocking rod is located within the operating range of the operating lever and can be unlocked, the structure of the connecting portion between the locking member and the operating lever can be simplified, thereby reducing manufacturing costs and assembling work. It has the effect of improving the properties.

According to the flip-up seat according to the second aspect of the present invention, the lock member is provided with a lock releasing rod for releasing the locked state, and the lock releasing rod is provided with the lock member. It works together with the raising and lowering motion,
The tip is separated from the operating lever, the operating lever is provided at the lower part of the rear end of the seat cushion frame, and when the lock member stands up, the tip of the unlocking rod is within the operating range of the operating lever. By being located, the lock member can be unlocked,
Even when the lock member is stored on the lower surface side of the seat cushion in conjunction with the flip-up operation of the seat cushion, the operation lever does not protrude toward the luggage room. Further, the lock release rod for releasing the lock state of the lock member and the operation lever are separated, and when the lock member is raised and engaged with the striker on the vehicle body floor, the tip of the lock release rod is set to the operation lever. Since the lock member is located within the operation range and can be unlocked, the structure of the connecting portion between the lock member and the operation lever can be simplified.

[Brief description of the drawings]

FIG. 1 is a side view showing one embodiment of a flip-up seat according to the present invention, showing a seatable state.

FIG. 2 is an explanatory view showing a configuration of a lock member and an operation lever attached to a seat cushion frame in the flip-up type seat according to the present invention.

FIG. 3 is a side view showing a state in which the flip-up sheet shown in FIG. 1 is flipped up.

4A and 4B are diagrams illustrating a flip-up operation in a flip-up type seat, wherein FIG. 4A illustrates a seated state, FIG. 4B illustrates a seat tilted state, and FIG. .

FIG. 5 is an explanatory diagram showing a configuration of a conventional lock member provided on a flip-up seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Jumping-up seat 11 Seat cushion 11a Seat cushion frame 12 Seat back 13 Hinge bracket 20 Lock member 21 Hinge bracket 22 Lock bracket 23 Storage link rod 24 Lock latch 25 Lock release rod 30 Operation lever 31 Bracket 32 Rotating arm 41 Support hinge for jumping up 42 Striker

Claims (2)

[Claims] 1. A seat back is attached to a seat cushion so as to be tiltable, a lower front side edge of the seat cushion is rotatably supported on a vehicle body floor via a flip-up hinge, and a rear side edge is provided on a rear side edge. A lock member that engages with a striker on the vehicle body floor, and an operation lever that can release the engagement of the lock member, respectively, are mounted, and the lock member is stored on the lower surface side of the seat cushion when the seat cushion jumps up, When the seat cushion is mounted on the vehicle body floor, in a flip-up seat in which the lock member can be raised and lowered in conjunction with the rotation operation of the seat cushion so as to be in an upright state from the lower surface of the seat cushion, , A lock releasing rod for releasing the locked state is provided, and the lock releasing rod is integrated with the raising / lowering operation of the lock member. While operating, the distal end is separated from the operation lever, and when the lock member stands up, the distal end of the unlocking rod is located within the operation range of the operation lever, whereby the lock of the lock member can be released. A flip-up seat characterized by being in a state. 2. A seat back is attached to a seat cushion so as to be tiltable, a lower front side edge of the seat cushion is rotatably supported on a vehicle body floor via a flip-up hinge portion, and a rear side edge is provided on a rear side edge. A lock member that engages with a striker on the vehicle body floor, and an operation lever that can release the engagement of the lock member, respectively, are mounted, and the lock member is stored on the lower surface side of the seat cushion when the seat cushion jumps up, When the seat cushion is mounted on the vehicle body floor, in a flip-up seat in which the lock member can be raised and lowered in conjunction with the rotation operation of the seat cushion so as to be in an upright state from the lower surface of the seat cushion, , A lock releasing rod for releasing the locked state is provided, and the lock releasing rod is integrated with the raising / lowering operation of the lock member. While operating, the tip is separated from the operation lever, the operation lever is provided at the lower part of the rear end of the seat cushion frame, and when the lock member rises, the tip of the unlocking rod is the operation lever. A flip-up seat, wherein the lock member is unlocked by being positioned within an operation range.