JPH08197988A - Seat device of vehicle - Google Patents

Abstract

PURPOSE: To improve outward appearance in a seat rail, and carefully position a longitudinal position of a seat. CONSTITUTION: First and second seat rails 28 and 29 are interposed between a floor 1 and a seat 8 as seat rails, and a burden of a length of the first seat rail 28 longitudinally projecting from the seat 8 is reduced, on the one hand, slide preventive intervals in its first and second seat rails 28 and 29 are made different from each other, and a new slide preventive position is obtained by a combination of the slide preventive intervals in its first and second seat rails 28 and 29.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat device.

[0002]

2. Description of the Related Art Generally, a seat device for a vehicle is provided with an actual engine.
As disclosed in Japanese Patent Laid-Open No. 2-97044, there is one in which a sheet is arranged on a floor via a sheet trail. In this type of seat rail, one rail member laid on the floor and the other rail member attached to the lower surface of the seat are slidably fitted to each other. With respect to the rail member, the other rail member is configured to be able to be slid at a predetermined slidable interval,
As a result, the front and rear positions of the sheet can be positioned.

By the way, it is preferable to secure the slide amount of the seat as much as possible from the viewpoint of effectively utilizing the space above the floor.

[0004]

However, in the above-described sheet apparatus, since the seat trail has one step in the vertical direction, if the amount of slide of the sheet is to be secured as much as possible, the One of the seat trails
The rail member must be laid long on the floor, and one rail member must be projected from the seat in the front-rear direction. Therefore, in order to secure the seat slide amount as much as possible, improvement is desired from the viewpoint of appearance and the like.

The present invention has been made in view of the above circumstances, and an object thereof is to reduce the length of the seat trail laid on the floor even when the slide amount of the seat is secured as much as possible. It is an object of the present invention to provide a vehicle seat device which is shortened as much as possible to improve the appearance of the seat trail.

[0006]

In order to achieve the above object, the invention of claim 1 is directed to a vehicle in which a seat is arranged on a floor via a seat trail. In the seat apparatus, the seat rail is provided with first and second seat rails between the floor and the seat in order from the floor toward the seat. It is provided as a configuration. With the above configuration, a desired slide amount can be secured by combining the slide amounts of the first and second seat trails, and the load of the slide amount of the first seat trail can be reduced. become. Therefore, the length of the first seat trail laid on the floor can be shortened to reduce the length of the seat trail projecting in the front-rear direction from the seat. You will be able to improve the appearance of.

In order to achieve the above object, in the invention of claim 2, in claim 1, the first sheet tray is used.
It is configured such that the slide stop interval in the rail and the slide stop interval in the second seat trail are set to be different. With the above construction, in addition to obtaining the same operation as that of the above-mentioned claim 1, since the first and second seat rails are provided above and below, either one seat
Not only the slide stop distance in the trail can be used, but also the combination of different fixed slide stop distances in the first and second seat trails allows the front and rear positions of the seat to be finely set. It will be possible. Therefore, it is possible to sufficiently meet the needs of each individual with respect to the positioning of the front-back position of the sheet.

In order to achieve the above-mentioned object, in the invention of claim 3, in claim 2, the first sheet tray is used.
The slide stop interval in the rail is made longer than the slide stop interval in the second seat trail. With the above-described structure, the combination of the different fixed slide stopper intervals in the first and second seat trails allows the front and rear positions of the seat to be finely set, as in the case of the above-described operation of claim 2. On the other hand, seat tray
Considering that the farther the seat is from the seat seating surface, the harder it is to perform positioning in a sitting state, the first seat trail is responsible for rough slide adjustment. For this reason,
Regarding positioning of the front and rear position of the seat, not only can it fully respond to the needs of each individual, but the positioning operability of the seat while sitting is appropriate from the viewpoint that the occupant is a human being. It will be possible. Moreover, the first series
The number of slide stop configurations for each slide stop interval in the trail can be made smaller than the number of slide stop configurations for each slide stop interval in the second seat trail. Therefore, the configuration of the first sheet trail can be simplified.

In order to achieve the above-mentioned object, in the invention of claim 4 according to any one of claims 1 to 3, the floor is a lower floor and an upper side located above the lower floor. It has a double floor structure including a floor, and the first seat rail is arranged between the lower floor and the upper floor. With the above structure, the internal space of the double floor structure is used as the space for disposing the first seat rail, and the first seat rail is provided.
The first seat trail will not be visible from above. Therefore, the appearance of the seat trail can be improved.

In order to achieve the above-mentioned object, in the invention of claim 5, in claim 4, the upper floor is detachably attached to the vehicle body, and the first floor is attached to the upper floor. A second seat trail is provided. With the above construction, in addition to producing the same effect as in the above-mentioned claim 4, the first and second seat rails can be previously attached to and integrated with the upper floor. The first and second seat trails can be attached to the vehicle body by attaching the first and second seat trails to the vehicle body. Therefore, the workability of assembling can be improved.

In order to achieve the above-mentioned object, in the invention of claim 6, in claim 5, the upper floor is supported by a vehicle body through a mounting bracket, and the mounting bracket cooperates with the vehicle body. Form a closed cross-section structure,
It is as a configuration. With the above configuration, a closed cross-section structure is formed using the mounting bracket, and the rigidity of the vehicle body can be improved by the closed cross-section structure. Therefore, it is possible to effectively suppress vehicle body vibration, twisting, and the like.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, 1 is a floor of a vehicle body, and this floor 1 is a lower floor 2 on the front seat side.
And the upper floor 3 located above the lower floor 2.
A double floor structure is constructed by and.

The lower floor 2 has left and right side sills 4
The floor pan constitutes the lowermost surface portion of the vehicle body, and the height position thereof is substantially equal to the lower surface height of the side sill 4. As shown in FIGS. 1 and 3, a tunnel portion 5 is formed on the lower floor 2 so as to bulge upward at the center in the vehicle width direction. This tunnel section 5
The height of the upper surface is substantially the same as the height of the upper surface of the side sill 4, and extends from the front side of the vehicle compartment to the rear side of the vehicle compartment. The tunnel portion 5 divides the lower floor 2 into left and right sides.
Further, as shown in FIG. 2, the lower floor 2 is continuous with the dash panel 6 on the front side of the vehicle compartment, and in the portion where the dash panel 6 and the lower floor 2 are continuous,
An inclined portion 7 is formed, and the inclined portion 7 is inclined so as to face upward as it faces the front of the vehicle body. Further, as shown in FIGS. 2 and 3, the lower floor 2 has a front seat 8
At the rear, it is raised up to about the height of the upper surface of the tunnel portion 5, and a reinforcing member 10 is attached to the rear surface of the rising portion 9, and the reinforcing member 10 and the rising portion 9 are side frames not shown. A cross member ( _NO.3 cross member) 11 straddling the frame is formed.

As shown in FIG. 3, the lower floor 2, the dash panel 6, the tunnel portion 5, and the side sill 4 are recessed to the left and right with respect to the tunnel portion 5 as a reference.
And the mounting brackets 13 and 14 for mounting the upper floor 3 in the respective recesses 12.
15 are arranged respectively. The mounting brackets 13, 14 and 15 have the same structure in the left and right recesses 12, and the left recess 12 which is one of the recesses will be taken as an example for description. As shown in FIGS. 2 and 3, the mounting bracket 13 is provided on the lower floor 2
And the dash panel 6 are joined together to form a closed cross-section structure 16 in cooperation with the inclined portion 7 and the dash panel 6, and the closed cross-section structure 16 extends in the recess 12 in the vehicle width direction. The side sill 4 and the tunnel portion 5 are connected.
A seat surface 17 is formed on the upper surface of the rear end portion of the closed cross-section structure 16 at a position slightly lower than the height of the upper surface of the tunnel portion 5. The seat surface 17 maintains a horizontal plane and extends in the vehicle width direction. It is extended. As shown in FIGS. 2 and 3, the mounting bracket 14 is joined to the lower floor 2 and the rising portion 9 to form a closed cross-section structure 18. The closed cross-section structure 18 also has a recess 12 The inside extends in the vehicle width direction and connects the side sill 4 and the tunnel portion 5. This closed section structure 1
Similar to the seat surface 17, the upper surface of 8 is slightly lower than the upper surface of the tunnel portion 5 in the horizontal state, and the upper surface constitutes the seat surface 19.
As shown in FIG. 3, the mounting bracket 15 is joined to the side surface of the tunnel portion 5 to form a closed cross-section structure 20.
Along the vehicle body in the front-back direction. This closed section structure 2
The upper surface of 0 also has a height slightly lower than the height of the upper surface of the tunnel portion in the horizontal state, and the seat surface 21 is constituted by the upper surface. Further, also in the side sill 4, as shown in FIG. 3, the seat surface 22 is formed by processing the inner shape. The seat surface 22 has a height slightly lower than the height of the upper surface of the tunnel portion 5, and the seat surface 22 extends horizontally in the recess 12 in the vehicle front-rear direction.

As shown in FIGS. 1 to 4, the upper floor 3 is arranged so as to cover the recesses 12. The upper floor 3 is configured as a plate-shaped lid body corresponding to the recess 12, and the peripheral portion of the upper floor 3 is
As shown in FIG. 4, it is removably fixed to the seat surfaces 17, 19, 21, 22 by fasteners 23 such as bolts. The upper floor 3 has the above-mentioned seating surfaces 17, 19,
21 and 22 and the upper surface of the tunnel portion 5 have a thickness of about the difference in height, and the peripheral portion of the upper floor 3 has a seating surface 17,
When fixed to 19, 21, and 22 in FIG.
As shown in FIGS. 2 and 4, the upper surface of the upper floor 3, the upper surface of the tunnel portion 5 and the like constitute the upper surface of the floor 1, and the upper surface of the floor 1 becomes flat from the front seat side to the rear seat side. It is supposed to be.

On the upper floor 3, there are shown in FIGS.
As shown in, the slits 24 are formed on both sides in the vehicle width direction. The two slits 24 extend in the front-rear direction of the vehicle body in a parallel state, and each of the slits 24 faces the recess 12 described above.

As shown in FIGS. 1 and 4, a sheet bracket 25 is slidably inserted into each slit 24. Each of the sheet brackets 25 is extended in the extending direction of the slit 24 by about the front-rear length of the sheet 8 in a state where the slit 24 is inserted, and each lower end portion thereof is
In the recess 12, the bent portion 26 is bent toward the inner side in the vehicle width direction to form a bent portion 26, and each upper end portion of the bent portion 26 is bent toward the outer side in the vehicle width direction above the floor 1. Tuned,
The bent portion 27 is formed.

The upper surface of the bent portion 26 of each seat bracket 25 and the back surface of the upper floor 3 are connected to each other via a first seat trail 28. This first seat tray
The rail 28 is configured to slidably fit one rail member 28a and the other rail member 28b,
One rail member 28a is fixed to the back surface of the upper floor 3 so as to extend in the vehicle front-rear direction, and the other rail member 28b is fixed to the upper surface of the bent portion 26 so as to extend in the vehicle front-rear direction. Has been done. As a result, each seat bracket 25 becomes slidable with respect to the floor 1 (upper floor 3) with each first seat trail 28, and each seat bracket 25 has one rail member 28a. The front or rear end can be located in the front or rear position (overhang state).

The upper surface of the bent portion 27 of each seat bracket 25 and the seat 8 are connected via a second seat trail 29, as shown in FIG. This second
The seat rail 29 also has the same structure as the above-mentioned first seat rail 28, and one rail member 29a thereof extends in the vehicle body front-rear direction on the mounting member 8a of the seat 8. Thus, the other rail member 29b is fixed to the upper surface of the bent portion 27 so as to extend in the vehicle front-rear direction. As a result, the seat 8 is provided with the respective second seat trails 2.
The seat 8 can be slid with respect to the seat bracket 25, and the seat 8 can be positioned at the front or the rear of the seat bracket 25 (overhang state).

A slide lock mechanism 30 is provided on each of the first and second sheet rails 28 and 29. First, the slide lock mechanism 30 in the second seat trail 29 will be described with reference to FIGS. 5, 6 and 7. The slide lock mechanism 30 includes a lock plate 31.
It has. As shown in FIG. 5, the lock plate 31 is fixed to the other rail member 29b and extends together with the other rail member 29b in the extending direction of the other rail member 29b. , The lock plate 31
An inclined portion 32 extending obliquely upward is provided over the entire length of the lock plate 31. A plurality of engagement holes 33 are formed at regular intervals in the extending direction of the inclined portion 32, and the constant intervals of the plurality of engagement holes 33 constitute a slide stop interval L1. ing.
On the other hand, in the slide lock mechanism 30, one of the
A support member 34 is fixed to the base member 29a, and a transmission rod 35 linked to an operation lever (not shown) is attached to the support member 34.
Is rotatably supported. A lock claw 36 is attached to the transmission rod 35, and the lock claw 36 is biased toward the inclined portion 32 (engagement hole 33) by a biasing means (not shown). Accordingly, when no external force is applied to the operation lever, the lock claw 36 automatically enters the corresponding engagement hole 33, and the lock claw 36 and the corresponding engagement hole 33 are engaged with each other. .

The slide lock mechanism 30 in the first seat trail 28 is basically the same in construction as the slide lock mechanism 30 in the second seat trail 29 described above. However, the above-mentioned support member 34, transmission rod 35,
The lock claw 36 and the like are provided on the other rail member 28b side, while the lock plate 31 is provided on one rail member 28a.
The plurality of engaging holes 33 provided on the side of the lock plate 31 are arranged at constant intervals so that the second seat rail 29 described above is provided.
It is supposed to be longer than that of the above case to form a long slide stop interval L2.

In FIG. 4, 37 is a mat laid on the upper floor 3.

Therefore, in such a seat device, the first and second seat trails 28 and 29 are provided on the upper and lower sides, and the seats have the slide amounts of the two seat trails 28 and 29. The desired slide amount of the belt 8 is secured, and the load of the slide amount of the first sheet trail 28 can be reduced. For this reason, the length of the rail member 28a in the first seat trail 28 laid on the floor 1 is shortened so that the rail protruding from the seat 8 in the front-rear direction.
The length of the ruler member 28a can be reduced, and the appearance of the seat trail can be improved.

However, in this embodiment, the first sheet tray is used.
Based on the fact that the roof 28 is arranged behind the upper floor 3 on the back side (recess 12) to be hidden, and the portion where the floor 1 and the dash panel 6 are continuous is inclined so as to face upward as it extends forward. , The vehicle compartment space in the vicinity of the dash panel 6 is widened in the front-rear direction. Therefore, paying attention to these points, the rail member 28a of the first seat trail 28 is arranged on the upper floor 3 as much as possible. It is laid so as to extend in the front-back direction. As a result, the first sheet
Since the roof 28 is hidden by the upper floor 3, the first sea
Of course, there is no problem in appearance of the trail 28, and the expansive space in the vicinity of the dash panel 6 can be effectively used as the slide allowable space of the second seat trail 29, and the sheet 8 can be used. It is possible to increase the sliding amount of the front.

Moreover, in this case, the first sheet trail 28
Is arranged on the rear surface side of the upper floor 3 so as to be offset with respect to the slit 24 so that the first sheet trail 28 does not come into contact with the slit 24. -It is designed so as not to interfere with the slide of Le 28.

Further, in the present embodiment, the positioning of the front and rear positions of the seat 8 is related to the first and second seat trails 2.
8 and 29 can be used individually, and a new slide stop position can be secured by combining different slide stop intervals L1 and L2 in the first and second seat trails 28 and 29. Therefore, the front and rear positions of the sheet 8 can be set finely.

Moreover, in that case, the second seat trail 29
While the slide stop interval L1 in is shortened,
Since the slide stop interval L2 in the seat trail 28 is lengthened, it is considered that the farther the seat trail is from the seat 8 seating surface, the more difficult it is to position the seating member in the sitting state. Since the 1-seat trail 28 is in charge of rough slide adjustment, the positioning operability of the seat 8 in a sitting state can be made accurate from the viewpoint that the occupant is a human. become. Furthermore, in the above case,
The number of engaging holes 33 of the lock plate 31 in the first seat trail 28 will be smaller than the number of engaging holes 33 of the lock plate 31 in the second seat trail 29. Not only can the structure of the first sheet trail 28 be simplified, but also the processing operation can be facilitated.

Furthermore, the upper floor 3 is the seat surface 1
7, 19, 21, 22 are detachably attached to the upper floor 3 of the first and second seat rails 28, 29, and further, by a fastener 23. 8
Are to be attached, and these can be attached to the upper floor 3 in advance and integrated. Therefore, the upper floor 3 is attached to the seating surfaces 17, 19,
If the fasteners 23 are attached to the parts 21 and 22, the attachment of the first and second seat trails 28 and 29 and the seat 8 will be completed at the same time, improving the workability of assembling. You will be able to

In addition, in this embodiment, the mounting brackets 13 to 15 cooperate with the dash panel 6, the rising portion 9 and the tunnel portion 5 as the components of the vehicle body to form the closed cross-section structures 16, 18 and 20. Therefore, the existing members can be effectively used to form the closed cross-section structures 16, 18, and 20, and the vehicle body rigidity can be improved by the closed cross-section structures 16, 18, and 20.

9 to 13 show the second embodiment. In the second embodiment, the same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the second embodiment, as shown in FIG. 9, the seat 8 is lowered downward as the seat 8 is slid forward, so that the seat 8 (sheet cushion) is moved to the instrument panel 40. Dash panel 6 below the instrument panel 40 without interfering with the
In addition to making it possible to enter the expansive space 41 in the vicinity as deep as possible, the front view is improved.

For this reason, the first seat trail 28 is arranged below the upper floor 3 in an inclined manner so as to descend downward as it goes forward, while the opening 42 is formed in the upper floor 3.
A slide floor 43, which is shorter than the opening 42 in the front-rear direction, is horizontally slidable in the front-rear direction and is formed on the opening 42 to slide the seat 8 (sheet bracket 25). On the other hand, the interlocking relationship is formed so that the slide floor 43 slides in the opposite direction. Due to the interlocking relationship, when the seat 8 slides forward, the slide floor 43 slides backward, and when the seat 8 is located at the most forward position (FIG. 9).
Of the sheet 8), the opening 42 on the rear side of the seat 8 is covered with the slide floor 43, while the opening 42 in front of the slide floor 43 newly appearing by sliding of the slide floor 43 -G8
It does not sink the (sheet cushion).

Specifically, such an interlocking relationship is to be obtained by mechanical cooperation. That is, in this embodiment, as shown in FIGS. 9 to 13, two cables 44 and 45 provided with racks are prepared, and one cable 44 has one end portion having a slide floor 43. Is rotatably attached via a connecting member (pillow ball) 51, and the other end (rack portion) is meshed with a pinion 47 in a rack and pinion case 46. Like the one end of the one cable 44, one end of the other cable 45 has a connecting member (pillow ball) 52 attached to the seat bracket 25, as shown in FIG. Rotatably attached via the other end (rack part)
Is meshed with a pinion 48 mounted coaxially with the pinion 46 in the rack and pinion case 46. As a result, the force when the sheet 8 (sheet bracket 25) is slid is changed to the cable 45,
It can be transmitted to the slide floor 43 via the pinions 48, 47 and the cable 44.

[0034]

As described above, according to the first to sixth aspects of the invention, the length of the first seat rail laid on the floor is shortened so as to project in the front-rear direction from the seat. SEAT TRAY
The length of the reel can be reduced, and the appearance of the seat trail can be improved. According to the second aspect of the present invention, it is possible to sufficiently meet the needs of each individual regarding the positioning of the front and rear positions of the seat. According to the invention of claim 3,
The seating operability in the seated state can be made accurate from the viewpoint that the occupant is a human, and the structure of the first seat trail can be simplified. According to the invention of claim 4, the first seat trail can be hidden in the inner space of the double floor structure to improve the appearance of the seat trail. According to the invention of claim 5, the assembling workability can be improved. Claim 6
According to the invention, the vehicle body vibration, the twist and the like can be effectively suppressed.

[Brief description of drawings]

FIG. 1 is a perspective view showing a sheet device according to a first embodiment.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an explanatory view illustrating the structure of the sheet device according to the first embodiment.

FIG. 4 is a sectional view taken along line BB of FIG.

FIG. 5 is a sectional view illustrating a slide lock mechanism.

FIG. 6 is a perspective view illustrating a slide lock mechanism.

FIG. 7 is a perspective view showing a lock plate in the second seat trail.

FIG. 8 is a perspective view showing a lock plate in the first seat rail.

FIG. 9 is an explanatory diagram illustrating a sheet device according to a second embodiment.

FIG. 10 is a view showing the arrangement relationship of a sheet, a sheet bracket, a slide floor and the like.

FIG. 11 is a view showing a connection relationship between a sheet bracket and a cable.

FIG. 12 is an explanatory view for explaining the interlocking relationship between the slide of the sheet (sheet bracket) and the slide of the slide floor.

FIG. 13 is a vertical sectional view showing a rack and pinion case according to a second embodiment.

[Explanation of symbols]

 1 Floor 2 Lower Floor 3 Upper Floor 5 Tunnel Section 6 Dash Panel 8 Sheet 13 Mounting Bracket 14 Mounting Bracket 15 Mounting Bracket 16 Closed Cross Section Structure 18 Closed Cross Section Structure 20 Closed Cross Section Structure 28 First Seat Trail 29th 2 seat trails

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masaya Watanabe No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Co., Ltd. (72) No. 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Within

Claims (6)

[Claims] 1. A seat apparatus for a vehicle, wherein a seat is arranged on a floor via a seat trail, wherein the seat trail connects between the floor and the seat. A seat device for a vehicle, characterized by including first and second seat rails interposed between the floor and the seat in order. 2. A slide stop interval in the first sheet rail and a slide stop interval in the second sheet trail are set so as to be different from each other. Vehicle seat device. 3. The vehicle seat system according to claim 2, wherein the slide stop interval in the first seat trail is longer than the slide stop interval in the second seat trail. -Gating device. 4. The double floor structure according to claim 1, wherein the floor has a double floor structure including a lower floor and an upper floor located above the lower floor. A vehicle seat device, wherein a trail is disposed between the lower floor and the upper floor. 5. The upper floor according to claim 4, wherein the upper floor is removably attached to the vehicle body, and the first and second seat rails are provided on the upper floor. The vehicle seat device. 6. The vehicle chassis according to claim 5, wherein the upper floor is supported by the vehicle body via a mounting bracket, and the mounting bracket cooperates with the vehicle body to form a closed cross-section structure. -Gating device.