JP2003054296A - Lateral tip-up seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lateral tip-up seat which eliminates a projection for fixing a seat body on an inner-side seat slide device and improves usability and appearance. SOLUTION: A latch member 42 is arranged in the offset state at the tip end of a leg 16 provided on a lower face of the seat body 13 in the lateral tip-up seat 10. When the seat body 13 is locked to the inner-side seat slide device 30b, the latch member 42 advances into the seat slide device 30b and engages with a striker 33. The striker 33 is built in an inner space of a lower rail 31. Projections are eliminated and loading/unloading of baggage or getting in/out of an occupant is made convenient, and a sense of discomfort is solved. The leg 16 having a lock mechanism 40 is stored within a storage recess part 11a of a seat cushion 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal jump type seat, and more specifically, the outer side of a seat body in which a seat back is attached to a seat cushion so that the seat back can be tilted. The seat body is rotatably supported, and the inner side of the seat body is removably attached to the upper rail of the inner side seat slide device through a lock mechanism so that the seat body can be slid along the longitudinal direction of the vehicle. At the same time, the present invention relates to a laterally jumping-up type seat in which the lock mechanism is released and the seat body can be jumped up to the left and right.

[0002]

2. Description of the Related Art In conventional vehicles such as one-box cars, removable seats and movable seats other than the driver's seat and passenger seat are provided for the purpose of being able to accommodate a large number of people and carrying a lot of luggage. Alternatively, a flip-up type seat that can jump up in the front-rear direction or the left-right direction is often provided.

An example of a conventional horizontal flip-up type seat is disclosed in Japanese Patent Laid-Open No.
No. 0-315830. 6 to 8
The configuration of the laterally jumping up type seat will be described with reference to FIG. The side-jump type seat 1 has a seat back 1b as a backrest attached to a seat cushion 1a on which an occupant is seated, and the seat back 1b is lifted up with the seat back 1b fully tilted backward with respect to the seat cushion 1a. It

The side-jump seat 1 is supported by a seat slide device 2 (outer side 2a and inner side 2b) on the floor of the vehicle so that the seating position can be adjusted back and forth after the occupant is seated. Has been done. Each of the seat slide devices 2a and 2b is composed of a lower rail 3 fixed to the vehicle floor surface and an upper rail 4 slidably mounted along the longitudinal direction of the lower rail 3, and the lower rail 3 and the upper rail 3 are provided. Reference numeral 4 is provided with a mechanism that is locked or unlocked at a predetermined position by a slide lock mechanism (not shown).

The laterally jumping seat 1 is rotatably supported on the outer side of the seat cushion 1a with respect to the outer seat slide device 2a based on a rotation center shaft (not shown), and the inner seat. With respect to the slide device 2b, a leg 1c is attached to the bottom surface of the seat cushion 1a on the inner side, and a striker 1d is fixed to the tip end surface of the leg 1c.
The striker 1d engages with a hook 5 provided on the inner seat slide device 2b to engage the seat cushion 1d.
a is fixed to the inner seat slide device 2b.

Strike-up 1d of the side-jumping seat 1
7 and 8 show the locked state and the unlocked state of the hook 5 in the inner side seat slide device 2b. First, in the inner side seat slide device 2b,
The support piece is integrally fastened to the bent portion, which is a U-shaped portion, by a bolt, and the hook 5, the lock piece 6, and the arm 7 are internally provided between the bent portion and the support piece to lock the lock. A release plate 8 is connected to the piece 6.

The hook 5 is rotatably mounted on the rotary shaft 5a, and the lock piece 6 is rotatably mounted on the stop shaft 5b provided adjacent to the rotary shaft 5a. The arm 7 is integrally fixed to the stop shaft 5b. A spring (not shown) is locked at one end of 5b, and the arm 7 is biased counterclockwise by the elastic force of this spring. Therefore, as shown in FIG. 7, the hook 5 stands up by rotating in the rearward direction, engages with the striker 1d, and enters the locked state. Further, by rotating in the opposite direction, as shown in FIG. 8, the engagement with the striker 1d is released and the striker 1d is brought into a locked state, so that the side-jump type seat 1 can be lifted.

[0008]

However, in the above-described conventional horizontal flip-up type seat 1 and seat slide device 2 as described above, when the seat 1 is flipped up, the hook 5 projects upward as a protrusion. Therefore, passengers, luggage, and the like may collide with the protrusions, which hinders the loading and unloading of passengers and the loading and unloading of luggage, and also reduces the aesthetics of the room. Further, the above-described operation mechanism of the hook 5 includes many parts such as the hook 5, the lock piece 6, the arm 7, and the release plate 8 in the seat slide device 2.
At the same time, it is pointed out that the assembly is troublesome because it is installed in a narrow space inside, resulting in an increase in cost.

An object of the present invention is a laterally jumping up type seat capable of jumping up and down in the left-right direction, and there is no fear that the upper part of the hook will remain above the vehicle floor surface in a protruding state, Since passengers and luggage do not collide with the protrusions,
You can smoothly load and unload luggage,
It is possible to improve the aesthetics of the room, simplify the work of assembling the parts, and provide a highly economical side-jumping seat.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and the side-jump type seat according to claim 1 of the present invention has a seat back tiltably attached to a seat cushion. The outer side of the seat body is rotatably supported on the upper rail of the outer side seat slide device, and the inner side of the seat body is detachably attached to the upper rail of the inner side seat slide device via a lock mechanism. In a lateral flip-up type seat that allows the seat body to be slidable along the front-rear direction of the vehicle and unlocks the lock mechanism so that the seat body can be jumped to the left and right sides, on the inner side of the seat body. The attached lock mechanism is rotatably supported by the leg tips protruding from the bottom of the seat cushion, A latch member that is biased by a spring; and a striker that is fixed to an upper rail of the inner side seat slide device and that engages with the latch member. The striker is built in an inner space of the inner side seat slide device, As for the member, the tip edge of the latch member is set to the offset position with respect to the center of rotation, and when the seat body is rotated from the jumping position,
When the leading edge of the latch member abuts the upper surface of the seat slide device and the latch member slides on the surface of the seat slide device while rotating in the unlocking direction to reach the position directly above the striker, the latch member is placed inside the seat slide device. Is entered, the latch member is locked to the striker.

According to the laterally-jumping type seat of the first aspect, when the seat body is moved from the hoisting state to the seat-using state, the leg provided on the seat cushion can be operated by rotating the seat body. The latch member protruding outward from the front end has an offset position between the rotation center point and the front end edge, and therefore the latch member slides on the seat slide device while rotating in the unlocking direction. The seat can be locked to the inner seat slide device by being located above the striker and engaging the latch with the striker.

Therefore, in the inner side seat slide device, the striker that engages with the latch member provided on the seat body side is built in the inner space of the inner side seat slide device, and there is no protrusion. The passengers can easily load and unload their luggage without getting in the way of the protrusions when loading or unloading or loading luggage, and the appearance of the passenger compartment can be improved.

According to a second aspect of the present invention, the leg is seated after the leg is attached to the seat cushion so that the leg can be raised and lowered. The feature is that the leg is prevented from protruding into the vehicle interior space by being pushed down toward the cushion side.

According to the laterally-jumping type seat of the second aspect, if the leg is laid down with respect to the seat cushion after the operation of hoisting the seat body, the leg does not project into the vehicle interior. Therefore, a lot of space for loading luggage can be secured, and the legs do not get in the way when loading and unloading luggage.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a horizontal jump type seat according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a horizontal jump type seat according to the present invention, in which a normal seat use state is indicated by a solid line, and a state in which the seat is flipped up in a lateral direction is indicated by a two-dot chain line. FIG. 2 is an explanatory view showing the operation of the seat body in the laterally-jumping type seat according to the present invention, FIG. 3 is an explanatory view showing the configuration of the lock mechanism portion in the laterally-jumping type seat according to the present invention, and FIG. , (B), FIG. 5 (a), and (b) are explanatory views showing the locking operation of the locking mechanism in the laterally-jumping type seat according to the present invention.

1 to 3, a side-jump type seat 10 according to the present invention has a seat body 13 composed of a seat cushion 11 on which an occupant is seated and a seat back 12 which is a back of the occupant. And the seat body 13
Is slidable in the front-rear direction of the vehicle along a seat slide device 30 (30a on the outer side and 30b on the inner side) provided on the vehicle floor surface 20, and is an effective space in the vehicle interior. It has a structure that can be jumped up and down in the left-right direction so that

That is, the outer side 13a of the seat body 13
Is the outer side 3 of the seat slide device 30 attached to the wheel house portion 20a along the longitudinal direction of the vehicle.
It is attached to 0a. This seat slide device 30
An upper rail 32 is slidably attached to the outer side 30a of the lower rail 31 along the longitudinal direction of the lower rail 31, and the seat body 13 is rotatably supported by the upper rail 32 via a pivot shaft 14.

On the other hand, the inner side 13b of the seat body 13
In regard to the above, the leg 16 attached to the seat cushion frame 15 located under the seat cushion 11 is detachably fixed to the inner side 30b of the seat slide device 30 via the lock mechanism 40.

Therefore, by the seat slide device 30,
The laterally-jumping type seat 10 can freely adjust its position in the front-rear direction of the vehicle, and the seat body 13 is unlocked between the inner side 30b of the seat slide device 30 and the lock mechanism 40 on the seat body 13 side. When the seat body 13 is rotated based on the pivot shaft 14 provided on the outer side 13a of the vehicle, it can be stored in the position shown by the chain double-dashed line in FIG. 1, and the space in the vehicle compartment can be effectively used.

With respect to the turning operation of the seat body 13, as shown in FIG. 2, for example, in order to shift from the jumping state to the seat using state, the A jumping state, the B pivoting state, the C locking state immediately before are locked. When the seat main body 13 is rotated around the pivot shaft 14 as in the state 1 and the D-lock state, the legs 16 and the lock mechanism 40 at the tip thereof are moved along a predetermined rotation locus. To do.

Then, the lock mechanism 40 provided at the tip of the leg 16 is fixed to the striker 33 on the inner side 30b of the seat slide device 30, and the lock mechanism of the seat body 13 to the inner side seat slide device 30b is based on FIG. The configuration of 40 will be described.

That is, the lock mechanism 40 is provided with the leg 16
A plate-shaped mounting bracket 41 is provided at the lower end of the
It is attached to a by fastening a screw (not shown), and the latch member 42 is rotatably supported on the attachment bracket 41 by inserting a support pin into the rotation support portion 41b.

The latch member 42 is provided with an engaging groove portion 42a which engages with the striker 33 provided on the upper rail 32, and the tip edge 42b is formed in a curved shape. It is a feature that the tip edge 42b of the latch member 42 is set at an offset position with respect to the portion 41b. That is, the tip edge 42b of the latch member 42 is displaced toward the unlocking direction by the dimension indicated by the symbol d in FIG. 3 with respect to the axis L extending from the rotation support portion 41b.

Further, the mounting bracket 41 and the latch member 4
2, a tension coil spring 43 is provided between the spring locking portions 41c and 42c so that the latch member 42 in FIG. 3 rotates counterclockwise based on the rotation support portion 41b. Is spring-loaded. Since the spring-biased latch member 42 abuts the stopper 41d of the mounting bracket 41, the posture of the latch member 42 is properly maintained. Further, a lock release lever 44 is provided integrally with the latch member 42.

Next, FIGS. 4A, 4B and 5
The operation of the lock mechanism 40 adopted in the present invention will be described with reference to (a) and (b). First, the state shown in FIG. 4A shows the state of C in FIG. 2 when the seat body 13 of FIG.
At this time, when the seat body 13 is moved from the flipped-up state based on the pivot shaft 14 to the seat-used state, the leading edge 42b of the latch member 42 in the lock mechanism 40 provided at the leading end of the leg 16 causes the inner side seat slide device 30b to move. And the lower rail finisher 31a in FIG.

Since the leading edge 42b of the latch member 42 and the rotation support portion 41b of the latch member 42 are at the offset position, the latch member 4 is kept until the latch member 42 approaches the opening 31b of the inner side seat slide device 30b.
The latch member 42 slides from the solid line position to the chain line position in FIG. 4A while rotating in the clockwise direction, that is, the direction indicated by the arrow in FIG. 4B.

Then, as shown in FIG. 5A, when the latch member 42 is positioned in the opening 31b of the inner seat slide device 30b, the lower rail finisher 31a.
Since the pressing force from the is released, the spring force from the coil spring 43 acts on the latch member 42, and the latch member 42 rotates counterclockwise as shown in FIG. Striker 33 built into 31
And the engaging groove portion 42a of the latch member 42 are engaged with each other, and the coil spring 43 urges the spring in a direction to maintain the locked state.

This locked state is the state shown in D in FIG. 2, and since the seat body 13 is securely fixed to the inner seat slide device 30b, the seat body 13 is moved along the front-rear direction of the vehicle. The slide operation can be performed smoothly.

On the contrary, when the luggage is loaded in the vehicle, the flip-up type seat 10 is to be flipped up in the lateral direction as shown in FIG.
When the lock release lever 44 is operated to release the engagement between the latch member 42 and the striker 33 from the locked state shown in (b), the lock between the seat body 13 and the inner side seat slide device 30b is released, Seat body 1
Seat body 13 toward the vehicle side wall based on the pivot shaft 14
You can jump up.

As described above, the horizontal flip-up type seat 10 according to the present invention has the inner side seat slide device 30b and the lock mechanism 4 provided at the tip of the leg 16 of the seat body 13 in particular.
In the configuration of No. 0, when the seat body 13 is rotated from the jumped-up state to the seat-used state, the latch member 42 in the lock mechanism 40 provided at the tip of the leg 16 moves to open the opening in the inner side seat slide device 30b. When it is located at 31 b, the latch member 42 enters the seat slide device 30 b and engages with the striker 33.

Therefore, the inner side seat slide device 3
0b, the striker 33 can be installed in the internal space of the seat slide device 30b without protruding, and the inner seat slide device 30b provided on the vehicle floor surface 20 has a protrusion protruding upward as in the prior art. Since there are no objects, it does not hinder passengers getting on and off, has no effect when loading luggage, has the effect of being excellent in usability, and does not give a visually unpleasant appearance, and looks good. The above is also preferable.

The lock mechanism 40 has a simple structure in which the latch member 42 is rotatably supported by the mounting bracket 41 mounted on the leg 16 and the tension coil spring 43 urges the spring. As described above, the assembling workability is superior to the assembling work of complicated mechanical parts in the narrow space in the lower rail.

Further, as shown in FIG. 2, the lock mechanism 40
The leg 16 provided at the tip is attached to the seat cushion 11 so as to be able to be erected based on the rotation support portion 16a.
If the seat body 13 is flipped up and then stowed into the storage recess 11a provided in the seat cushion 11, the leg 16 and the lock mechanism 40 do not project into the vehicle interior, which is excellent in terms of safety. In addition, there is an additional advantage that the vehicle interior space can be used more effectively.

Although illustration and description are omitted, the horizontal jump type seat 10 according to the present invention is adopted as the right side seat in the luggage room. However, the horizontal jump type seat according to the present invention has a symmetrical structure. May be applied to the left seat in the vehicle. Further, the present invention is not limited to the structure of the above-described embodiment, and the shape, structure, etc. of each part can be freely modified or changed as necessary, and the seat body 13 as described above can be freely modified.
Various modifications such as the shape and material of the lock mechanism 40 belong to the category of the present invention.

[0035]

The above is the embodiment of the seat slide device according to the present invention. According to the laterally jumping up type seat according to the first aspect of the present invention, the seat body is lifted up and the seat is used. When the seat body is pivotally operated when shifting to, the latch member protruding outward from the leg tip provided on the seat cushion has an offset position between the pivot center point and the tip edge. Positioned above the striker of the seat slide device by sliding on the seat slide device while rotating in the unlocking direction,
By engaging the latch and the striker, the seat can be locked to the inner side seat slide device, and in the inner side seat slide device, the striker that engages with the latch member provided on the seat body side is the inner side. Since it is built in the internal space of the side seat slide device and there is no protrusion, it does not interfere with the protrusion when getting on or off the occupant or loading luggage, and loading and unloading of luggage can be done easily and the passenger compartment It also has the effect of improving the appearance.

Further, according to the laterally jumping up type seat of the second aspect of the present invention, if the leg is tilted down with respect to the seat cushion after the lifting operation of the seat body, the leg projects toward the passenger compartment. As a result, there is an effect that a large space for loading luggage can be secured and the legs do not get in the way when loading and unloading luggage.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a horizontal flip-up type seat according to the present invention.

FIG. 2 is an explanatory view showing a transition form between a jumping state of a seat body and a seat using state in a laterally jumping type seat according to the present invention.

FIG. 3 is an explanatory view showing a configuration of a lock mechanism in the laterally jumping up type seat according to the present invention.

4A and 4B show a pre-locking state of the lock mechanism shown in FIG. 3, in which FIG. 4A is a sectional view and FIG. 4B is a view taken in the direction of arrow P1 in FIG.

5A and 5B show a locked state of the locking mechanism shown in FIG. 3, in which FIG. 5A is a sectional view and FIG.

FIG. 6 is an explanatory view showing a schematic configuration of a conventional side-jumping type seat.

FIG. 7 is a cross-sectional view showing a lock structure of a seat body and a seat slide device in a conventional horizontal flip-up type seat.

FIG. 8 is an explanatory view showing an unlocked state of the conventional side-jump type seat with respect to the seat slide device.

[Explanation of symbols]

10 Horizontal flip-up seat 11 seat cushion 11a storage recess 12 seat back 13 seat body 13a Outer side seat body 13b Inner side seat body 14 Axis 16 legs 16a Rotation support part 20 Vehicle floor 20a wheel house 21 floor carpet 30 seat slide device 30a Outer side seat slide device 30b Inner side seat slide device 31 Lower Rail 31a finisher 31b opening 32 Upper rail 40 lock mechanism 41 mounting bracket 41b Rotation support part 42 Latch member 42a engaging groove 42b tip edge 43 tension coil spring 44 Lock release lever

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Ryo Fujimoto             771 Koen, Ayase-shi, Kanagawa Johnson               Controls Automotive Systems             Inside Stems Corporation F term (reference) 3B087 BA02 BB02 BD01 CA08 CA14

Claims (2)

[Claims] 1. An outer side of a seat body having a seat back tiltably attached to a seat cushion is rotatably supported by an upper rail of an outer side seat slide device, and an inner side of the seat body is an inner side seat. Removably attached to the upper rail of the slide device via a lock mechanism, and allows the seat body to be slid along the longitudinal direction of the vehicle.
In a horizontal flip-up type seat that allows the seat body to be flipped to the left and right sides by releasing the lock mechanism, the lock mechanism attached to the inner side of the seat body has a leg tip protruding from the lower surface of the seat cushion. And a striker fixed to the upper rail of the inner side seat slide device and engaged with the latch member, the striker being on the inner side. The latch member is built in the internal space of the seat slide device, and the leading edge of the latch member is set to the offset position with respect to the center of rotation, and the leading end of the latch member when the seat body is rotated from the jumping position. The edge comes into contact with the upper surface of the seat slide device, and the latch member rotates in the unlock direction to move the seat slide device surface. A lateral-jump type seat characterized in that when the sliding member comes to a position directly above the striker, the latch member enters the seat slide device so that the latch member is locked by the striker. 2. The leg is attached to a seat cushion so as to be able to be tilted up and down, and after the seat cushion is flipped up to the left and right sides, the leg is tilted toward the seat cushion side to thereby bring the leg into the vehicle interior space. The laterally jumping up type seat according to claim 1, wherein the protrusion of the sheet is avoided.