JPH02296584A - Seat device for vehicle - Google Patents

Abstract

PURPOSE:To allow taking a stable riding posture at all times by providing a bag means inflatable against a cushion approximately like a fan in front view mainly about the widthwise inner side all both widthwise sides of a main frame. CONSTITUTION:In the motor bicycle seat device wherein a driver seat 12 and another rider's passenger seat 13 are arranged in tandem on a body frame, a bag means 40 inflatable like a fan in front view mainly about the widthwise inner side is provided at both widthwise sides of each of the seats 12 and 13, and a seat bag 13a. Each bag means 40 is provided on a bottom plate 14 against foamed urethane, and comprises an air bag 24 and a plate 25. The air bag 24 is connected to a compressor 30 via a control unit 20, using a hose 34 through the bottom plate 14. In addition, both widthwise sides of the skin 20 of a cover material 16 are bulged with the inflation of the air bag 24.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a seat device for a vehicle that accommodates bag means that expands due to the action of fluid on both sides of a seat or seat back in the vehicle width direction.

(Prior Art) Vehicles, especially motorcycles, have little freedom in riding posture and are forced to stay in the same posture, which causes great fatigue when driving long distances. For this reason, seat devices aimed at reducing fatigue have been proposed in Japanese Utility Model Publication No. 63-47189 and the like.

The sheet device of the above-mentioned Jikkosho [i3-47189 publication]
An airbag is housed in the cushion of the seat and seat back, and the airbag is connected to a compressor for adjusting the vehicle height of the air suspension, so that the amount of air in the airbag can be adjusted with an operation switch.

(Problem to be Solved by the Invention) However, in the seat device of Utility Model Publication No. 63-47189 mentioned above, since the airbag is arranged in the center of the seat and the seatback, when the airbag is inflated, There was a problem with the ability of occupants to hold their buttocks.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a seat device that allows a stable riding posture.

(Means for Solving the Problems) The present invention provides a vehicle seat device in which a cushion mounted on a seat frame is covered with a cover, in which a cushion is placed on each side of the seat frame in the vehicle width direction. The gist is that a bag means that expands in a generally fan-like shape when viewed from the front is provided between the inner and outer sides of the vehicle in the width direction of the vehicle.

(Function) According to this vehicle seat device, riding posture can be changed by expanding the bag means, so fatigue can be reduced. The bag means is disposed on both sides of the seat and the seat back in the vehicle width direction and bulges out to envelop the body of the seated person, so that a stable riding posture can be maintained.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

1 to 5 represent a vehicle seat device according to an embodiment of the present invention, in which FIG. 1 is a side view of a motorcycle, and FIG. 2 is a side view of a motorcycle.
Figure 3 is a perspective view of the main part, Figure 3 is a sectional view of the main part of -, Figure 4 is a sectional view of the other main part of -, and Figure 5 is a perspective view of the main part in a different state from Figure 2. It is.

In FIG. 1, reference numeral 11 indicates a motorcycle, and the motorcycle 11 has a driver seat 12 for a driver and a passenger seat 13 for a fellow passenger mounted in tandem on a body frame (not shown). As is clear from Figure 2,
The driver seat 12 is integrally provided with a seat back 12a at the rear, and the passenger seat 13 is integrally extended from the top of the seat back 12a toward the rear. A bag 13a is integrally provided.

As shown in FIG. 3, the driver seat 12 includes a bottom plate (corresponding to a seat frame) 14 fixed to the vehicle body frame, and a pad member 15 placed on the bottom plate 14 covered with a cover material 16. It is configured.

The bottom plate 14 has downwardly hanging flange portions 14a formed on both side edges in the vehicle width direction, and has a substantially square-shaped cross section. The pad member 15 is attached to the bottom plate 14 on the urethane foam 17 placed on the top of the bottom plate 14.
and a urethane slab 18 fixed to the outer surface of each flange portion 14a. The urethane foam 17 has a hole 17a penetrating vertically at the center in the vehicle width direction and a cavity 17b opening toward the bottom plate 14, and a hanging member 19, which will be described later, is inserted vertically into the hole 17a. The urethane slabs 18 are each separate and independent from the urethane foam 17, and the cover material 16 fixed by adhesive or the like to the outer surface of the flange portion 14a of the bottom plate 14 is attached to the epithelium 20.
．． Side skin 2 that is joined to both sides of the epithelium 20 in the vehicle width direction and hangs down.
1 and an elastic member 22 joined to the lower edge of the side skin 21, and stretched in the vehicle width direction between the lower edges of both flange portions 14a of the bottom plate 14. The epithelium 20 extends in the front-rear direction and has a plurality of hollow parts 20a filled with wadding material 23, and covers the upper part of the urethane foam 17. This epithelium 20 has the above-mentioned hole 17 in the center part in the vehicle width direction.
It is fixed to the bottom plate 14 with a hanging member 19 inserted through a. The side skin 21 covers the sides of the urethane foam 17 and the urethane slab 18, and also has an elasticity of 22
is made of stretchable fabric having a substantially chain-like cross section, and its lower edge is fixed to the lower end of the flange portion 14a of the bottom plate 14. The hanging member 19 is made of a flexible material such as a string, and its upper end is fixed to the center of the lower surface of the epithelium 20, and its lower end is locked to the bottom plate 14 via a locking device 41.

Further, on the bottom plate 14, a urethane foam 1 is placed.
An airbag 24 and a plate 25 are installed symmetrically on both sides in the vehicle width direction between the airbag 24 and the airbag 7. The plate 25 is made of a relatively soft material such as synthetic resin, and its inner side edge is attached to the bottom plate 14 with a rivet 26 within the cavity 17b, and around this inner side edge, it rotates around the longitudinal axis. It is supported so that it can swing freely. In this plate 25, a nonwoven fabric 27 is installed between the inner upper surface and the bottom plate 14, and the inner edge is covered with this nonwoven fabric 27. The airbag 24 is made of an elastic material such as rubber, has an upper portion fixed to the lower surface of the plate 25, and a lower portion fixed to the upper surface of the bottom plate 14, and is inflatably interposed between the bottom plate 14 and the plate 25. The airbag 24 is connected to a compressor 30 via a control unit 29 with a hose 34 passing through the bottom plate 14. The airbag 24 is inflated by introducing compressed air into the airbag 24, pushing up the plate 25 and inflating both sides of the epithelium 20 of the cover material 16 in the vehicle width direction. These airbag 24 and plate 25 constitute bag means 40. Note that this bag means 40 is attached to the passenger seat 13 and the seat backs 12a and 13, as will be described later.
A driver seat 12, passenger seat 13, and seat backs 12a and 13a are also provided in pairs.

Furthermore, since these bag means 40 have the same configuration, the same reference numerals will be given to them below to simplify the explanation.

Similarly, although not shown clearly in the figure, the seat back 12a of the driver seat 12 and the passenger seat 13 are also covered with a pad material 15 placed on the bottom plate 14.
6 and is covered with a bottom plate 14 and a pad material 15.
An airbag 24 and a plate 25 are arranged between the two. The airbags 24 of the passenger seat 13 and the seat back 12a are also connected to the compressor 3o via a control unit 29.

Further, the seat back 13a of the passenger seat 30 has a bag portion 31 and a backrest portion 32, as shown in FIG.
A bag portion 31 is erected at the rear end of the passenger seat 13, and a backrest portion 32 is attached to the bag portion 31.

The bag portion 31 includes a hollow box-shaped frame 31a and a frame 31a.
A cover member 31b is attached to the front opening so that the front opening thereof can be opened and closed, and a housing space 31c is defined inside. The cover member 31b includes a wadding material 23 in the same manner as the epithelium 20 described above, and its lower edge is joined to the lower part of the frame 31a, and both side edges and the upper edge are detachably attached to the frame 31a with Velcro or the like. It is attached. Accommodation space 31
There are two seat covers 33F inside c.

33R is folded and stored. As shown in FIG. 5, these seat covers 33F and 33R are
3F is pulled out from the accommodation space 31c when parking, etc., and covers the driver seat 12, seat pad 12a and passenger seat 13, while the other 33R is pulled out from the accommodation space 31c and covers the seat back 13.
Cover 3a. Similar to the driver seat 12 and the like described above, the backrest portion 32 has a cover material 16 surrounding the front surface of the bottom plate 14, and the inside thereof is filled with a pad member 15.
An airbag 24 and a plate 25 are arranged between the bottom plate 14 and the pad member 15. This airbag 24 is also connected to a compressor 30 via a control unit 29. In addition, hereafter, driver seat 12, seat back 12a1, buttress seat 1
3 and the seat back 13a will be collectively referred to as the seat S, and will be described using the seat S as a representative, if necessary.

The compressor 30 is used in common with the vehicle height-adjustable air suspension as described in the above-mentioned publication, and is connected to the control unit 29 by a hose 34 via a pneumatic circuit for diverting water (not shown) or the like. This diverting pneumatic circuit preferentially supplies the compressed air discharged by the compressor 30 to the air suspension. The control unit 29 is disposed at a position such as in front of the driver seat 12, and includes various operation switches and fluid control elements such as control valves. The control unit 29 supplies compressed air from the compressor 30 to each airbag 24 by operating an operation switch, and also opens each airbag 24 to the atmosphere to discharge the compressed air in the airbag 24.

Next, the operation of this embodiment will be explained.

In the seat device of this embodiment, each airbag 24 is independently and selectively connected to the compressor 30 by operating the operation switch of the control unit 29.
It is also open to the atmosphere. And left and right airbags 2
4 are connected to the compressor 30, and when compressed air is supplied from the compressor 30, they expand integrally and push up the plate 25 as shown by the imaginary line in FIG. moves upward. For this reason, sheet S
The left and right sides of the vehicle deform as a whole so as to wrap around the seated person's body from the sides, allowing the seated person to easily change his or her riding posture and maintain a stable riding posture.

By changing the amount of compressed air, that is, the pressure, in the airbag 24, the riding posture can be changed, and fatigue can be reduced during long distance driving.

In particular, in this seat device, the bottom plate 14
Since the urethane slab 18 is provided separately from the urethane foam 17 on the outer surface of the flange portion 14a, the deformation of the urethane foam 17 due to fatigue can be reduced. Because of this, the resistance to inflation of the airbag 24 can be reduced. Since the inner end of the plate 25 is protected by being covered with the nonwoven fabric 27 within the cavity 17b of the urethane foam 17, fatigue at the inner end of the plate 25 can be reduced. Furthermore, since the cover material 16 is fixed to the bottom plate 14 by the hanging member 19 having flexibility at the center, the center portion of the cover material 16 will not be lifted up even when the airbag 24 is inflated. force j<
- Peeling of the epithelium 20 of the material 16 and the urethane foam 17 can be prevented.

(Effects of the Invention) As explained above, according to the vehicle seat device according to the present invention, the left and right sides of the seat can bulge out so as to wrap around the body of the seated person, thereby providing a stable riding posture. You can also change your sitting posture to reduce fatigue.

[Brief explanation of drawings]

1 to 5 show a vehicle seat device according to an embodiment of the present invention, and FIG. 1 is an overall side view of the motorcycle;
Figure 2 is a perspective view of the main part, Figure 3 is a sectional view of the main part of -, and Figure 4 is a sectional view of the main part.
This figure is a sectional view of the main part of another -, and FIG. 5 is a perspective view of the main part of - in a state different from FIG. 2. 12... Driver seat 12a... Seat back 13... Passenger seat 13a... Seat back 14... Bottom plate (seat frame) 14a.
...Flange portion 15...Pad member 16...Cover material 17
...Urethane foam 17b...Cavity 18...
Urethane slab 19... Hanging member 22...
Degree of expansion/contraction 24...Airbag 25...Plate 27...Non-woven fabric 29...Control unit 30...Compressor 33F, 33R...Seat cover 40...Bag means patent applicant same buried Persons Patent Attorneys Patent Attorneys Honda Motor Co., Ltd. Tokyo Seat Co., Ltd. 1) Yobetsu Ohashi Kunihiko Koyama Yute Retail Neho Seisho (Spontaneous) Indication of Case Patent Application No. 1-119430 2. Name of the invention Vehicle seat device 3. Relationship with the person making the amendment case

Claims (8)

[Claims] (1) In a vehicle seat device in which a cushion mounted on a seat frame is covered with a cover, a cover is provided on both sides of the seat frame in the vehicle width direction between the cushion and the vehicle width direction inner side. A seat device for a vehicle, comprising a bag means that expands in a substantially fan shape when viewed from the front. (2) A flange portion that hangs downward is integrally provided on each side edge in the vehicle width direction of the seat frame, and a side cushion is provided on the outer surface of the flange portion separated from the cushion. 1. The vehicle seat device according to item 1. (3) The vehicle according to claim 1, wherein a hollow portion is formed in the cushion at a position above the inner end of the bag means, and the inner end of the bag means is covered with a flexible cloth member. sheet equipment. (4) A vehicle seat according to claim 1, wherein a stretchable stretchable fabric is joined to both side edges in the vehicle width direction of the cover, and the cover is attached to the seat frame via the stretchable fabric. Device. (5) The vehicle seat device according to claim 1, wherein a central portion of the cover in the vehicle width direction is connected to the seat frame by a flexible string-like member. (6) A driver seat part and a passenger seat part are provided behind the driver seat part, and the driver seat part and the passenger seat part are formed by covering a cushion mounted on a seat frame with a cover, and 2. The vehicle seat device according to claim 1, wherein the seat portion and the passenger seat portion have the bag means on both sides of the seat frame in the vehicle width direction between the bag means and the cushion. (7) A seat back section is provided upright at the rear of the passenger seat section, a storage space is defined within the seat back section, and the seat back section, the passenger seat section, and the driver seat are arranged in the storage space. 7. The vehicle seat device according to claim 6, further comprising a cover that can cover the entire portion. (8) The bag means includes a plate whose inner end in the vehicle width direction is swingably supported, and an air bag that is interposed between the plate and the seat frame below the plate and inflates by the action of compressed air. The vehicle seat device according to claim 1, further comprising a vehicle seat device.