JPH0330053Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) The present invention relates to an improvement in a ventilated automobile seat in which wind blows out from the seat cushion and seat back portion. More specifically, the present invention relates to a ventilated automobile seat suitable for application to an automobile seat equipped with a seat adjuster and a reclining mechanism.

(Prior Art) Conventional automobile seats generally have a structure in which a seat pad made of foam or lock material is placed on a spring stretched on a seat frame, and the seat pad is covered with a trim cover assembly. , heat builds up in the seated person's buttocks and lower back, causing discomfort.

To solve this problem, a ventilated car seat has been proposed in which air, especially cold air when using a cooler, is introduced from the bottom of the seat cushion and blown out from the seat surface to remove heat from the occupant. (Utility Model No. 58-185925). As shown in FIG. 5, this breathable automobile seat has an air dispersion chamber 104 provided under the seat cushion 101 and the seat pad 103 of the seat bag 102, respectively, and air is supplied to the air chamber through a flexible duct 105. It is connected to a conditioning device, etc., and is provided so as to be forced to ventilate with a Sirotskov fan 106.

(Problems to be Solved by the Invention) However, according to this conventional seat structure, since the air supply source and the car seat are connected by the duct 105 exposed inside the car interior, the driver and passenger seat There are problems that prevent crew members from operating various devices and taking actions. Furthermore, if a seat adjuster that allows the automobile seat to be moved back and forth is provided, the duct 105 described above must be made that much longer, which is impractical as it becomes a hindrance. In particular, if the seat cushion has a reclining mechanism and the seat back is tilted, the duct between the seat cushion and the seat back must be set longer so as not to restrict the movement of the seat back. It makes the appearance worse and the livability worse. Therefore, it is conceivable to install the duct 105 under the seat, but it is virtually impossible to install the duct in a narrow space between the car seat and the floor so that it can be flexed in the front and rear directions. It is.

The purpose of the present invention is to provide a ventilated car seat that can be equipped with a seat adjuster and a reclining mechanism that can be connected to the car seat with a duct laid on the floor under the car seat. .

Structure of the Invention (Means for Solving Problems) In order to achieve the above object, the present invention consists of a single fiber bonded cushion material mounted on a frame whose upper surface is composed of a perforated plate and which has a hollow dispersion chamber inside. In the automobile seat, the automobile seat cushion is provided with an automobile seat cushion in which an air-permeable seat pad is covered with an air-permeable skin member, and a duct is connected to the dispersion chamber. The guide portion includes a sliding plate that closes an elongated opening extending in the front-rear direction provided in the bottom plate of the frame, and a roughly rectangular shape that slidably supports both sides of the sliding plate. a pair of supporting plates having a shape, the tip of a duct laid along the lower part of the guide part on the vehicle body floor is fixed by passing through the sliding plate, and the dispersion chamber and the air blowing source are connected to each other. and a dispersion chamber opening to the seat pad side is connected to the seat back side by a flexible duct, and wind is blown out from the seat surfaces of both the seat cushion and the seat back. It is a car seat.

(Function) Therefore, even if an attempt is made to adjust and move the automobile seat back and forth, the plate fixed to the duct will move relatively along the guide section on the seat cushion side, and the seat will not move while keeping the dispersion chamber sealed. This makes it possible to maintain the connection between the seat and the duct without changing the duct position. Further, since the distribution chamber on the seat back side and the distribution chamber on the seat cushion side are connected by a duct, wind can also be distributed to the seat bag side.

(Example) The configuration of the present invention will be described in detail below based on an example shown in the drawings.

As shown in FIG. 1, the ventilated automobile seat of the present invention has a ventilated pad material 2 placed on a seat frame 5, and a ventilated skin member, that is, a trim cover assembly 3, which is then covered with a ventilated pad material 2. Dispersion chambers 4 and 17 are provided under each pad material 2 of the seat cushion 1A and seat back 1B, respectively, and the dispersion chambers 4 and 17 are connected to each other and to the dispersion chamber 4 on the seat cushion 1A side and an air source (not shown). ) and the duct 6, 16
These are connected to each other so that cold air, warm air, or air whose temperature has not been adjusted is blown out from the heating surface through the seat pad material 2 and the trim cover assembly 3.

The seat frame 5 is a structure that serves as a base that maintains the shape of the seat, and in this embodiment, it is made of plastic or plastic reinforced with glass fiber (so-called FRP) and is integrally formed by injection molding, hot stamping, etc. A molded resin structure is used. Note that the seat frame 5 can be generally divided into a seat cushion frame 1A and a seat back frame 1B, which are connected by a relining mechanism 1C etc. to the vehicle body floor W.
The seat adjuster 18 is attached to the seat via the seat adjuster 18 or the like.

A guide portion 7 extending in the front-rear direction is provided at the bottom of the frame 5 of the seat cushion 1A.
This guide part 7 is a plate 8 that fixes the duct 6.
This is to hold the holder so that it can slide in the front and back direction.
Usually, a plate 9 having a U-shaped cross section, a shape such as a cross section in which the plate 8 is held between the seat frame 1, or a plate 9 is formed integrally with the seat frame 1.

An opening 10 that is long in the front-rear direction is opened at the center of the bottom of the seat frame 1.
A dispersion chamber 4 is formed between the pad material 2 and the pad material 2. The dispersion chamber 4 includes a partition wall 11 formed on the seat frame 1, a dispersion plate 12 supported by the partition wall 11, and a plate 8 that closes the opening 10.
is substantially sealed by. Here, "substantially sealed" refers to a state in which most of the air introduced into the dispersion chamber 4 flows toward the pad material 2 and does not leak in large quantities under the seat cushion.

The dispersion plate 12 constituting the ceiling of the dispersion chamber 4 is for allowing the air introduced into the dispersion chamber 4 through the duct 6 to flow into the pad material 2 without concentrating it.
Usually, a plate with a large number of communication holes 13 or a porous plate with air permeability is used. This dispersion plate 12
In the case of this embodiment, the pad material 2 is substituted for the spring material that supports the pad material 2, so it has a structure that supports the entire surface of the pad material 2.However, the seat frame has a pipe structure and the pad material 2 is supported by the spring material. In the case of a structure supporting the dispersion chamber 4, the ceiling portion of the dispersion chamber 4 is constituted. It is preferable to provide a deflection plate 18 between the above-mentioned dispersion chamber 4 and the duct 6, which changes the direction of the air flow ejected from the duct 6 and prevents the air from being concentrated. This deflection plate 18 is normally fixed to the duct 6.

A duct 6 connecting the distribution chamber 4 and the air source is laid on the vehicle floor W, bent upward under the seat cushion, and fixed to a plate 8 that closes the distribution chamber 4 in a penetrating state. Also,
If a flexible hose that can be stretched and bent is used as the duct 6, the plate 8 will follow the seat cushion side to allow the movement of the seat not only when the seat is moved back and forth but also when tilted. A fan, such as a Sirotskov fan (not shown), is attached to the duct 6 and connected to an air supply source. As the air supply source, a cooler unit or a heater unit of a car air conditioner, a car cooler, an air outlet in the car, an air intake port outside the car, etc. can be used.

As the pad material 2, a cushion material having air permeability and a certain elasticity or a flexible object having a cushion structure is usually used in one layer or in two or three layers. Generally, highly breathable locking materials are used, such as hair locks, palm locks, or the short fiber bonded cushion material previously disclosed in a patent application filed by the present inventor. Most preferably, the short fiber bonded cushion material described above is used. Ru.

This short fiber bonded cushion material has been patented by Takagi Kagaku Kenkyusho Co., Ltd. and is sold under the trade name Carlotskumat.As shown in Figure 4, it is made of polyether filament with relatively large denier three-dimensional curls. A filament-shaped cushion material having relatively high hardness and good air permeability, which is obtained by compressing short fibers 14 into a predetermined shape and applying an adhesive 15 to a filament molded body to bond the mutual contact points of the filaments. Yes (Tokugansho
No. 58-118797, patent application No. 118-118798). This cushion member has extremely excellent air permeability and durability, and is suitable as a pad material for automobile seats that require air permeability and heat dissipation properties.

The polyester filament 14 constituting this cushion material has a thickness of 50 to 1000 deniers as a monofilament, preferably 100 to 1000 deniers.
A material having a three-dimensional curl of 600 deniers, most preferably 200 to 400 deniers is used, and by changing the thickness, the hardness of the pad material can be freely changed. The three-dimensional curl here refers to two-directional and three-directional curls, that is, three-dimensional curls in a broad sense, and is preferably a three-dimensional three-dimensional curl filament.
It means a tridirectional three-dimensional curl filament obtained by making a double-twisted filament by the method and apparatus disclosed in Japanese Patent No. 144448, and then cutting it to a predetermined size and untwisting it.

The length of the filament 14 is preferably 25 to 200 mm. The filament, for example, as shown in Fig. 3, is not in the form of a coil wound in a certain direction with a certain curvature, but changes its curvature and winding direction irregularly, and can be called a non-directional spiral. In other words, the curl is very similar to a spiral telephone cord that has gone bad.

The cushion material is made by cutting the above-mentioned curled filament into a predetermined size and making it by needling or rubbing, then compression-molding it into a predetermined shape while opening the cotton, and then attaching the filament to each other by spraying or dabbing with an adhesive. is manufactured by joining the contact points of the

On the surface of this pad material 2, thin breathable wadding (not shown) made of felt, nonwoven fabric, etc. is laminated, if necessary. Further, the side portions and, if necessary, a portion of the upper surface of the pad material 2 are covered with an air-impermeable skin member 16. Non-breathable skin member 16
Examples include jeans, canvas, leather, and artificial leather. Further, the surface of the pad material 2 is covered with a breathable skin member, that is, a trim cover assembly 3, and the peripheral edge thereof is covered with the non-breathable skin member 16.
It is joined by sewing or other methods directly or through the ball. The trim cover assembly 3 is made up of a skin, a wading underside, and a wading cover, each of which is made of a breathable material. Examples of the breathable skin include net fabrics, such as lace fabrics, curtain fabrics, lattice knits, lattice knits incorporating jia guards, and woven fabrics (preferably coarse woven fabrics).

In addition, a breathable pad material 2 and a trim cover assembly 3 are adopted on the seat back 1B side, and a dispersion chamber 17 is provided under the pad 2, and a dispersion chamber 17 on the seat cushion 1A side is
The wind connected to the seat cushion is connected to the seat cushion, and the wind is distributed to the seat back side through a duct or the like, and is blown out from the back. The pad 2 and trim cover assembly 3 have the same construction as that of the seat cushion described above, and there is no particular difference in construction unless necessary. Moreover, unlike the one on the seat cushion 1A side, the dispersion chamber 17 does not need to have a structure in which a part of it can be moved, so an integrated box is used. The duct 16 connected to this box-shaped dispersion chamber 17 is piped in parallel to the seat bag 1B passing under the seat to save space, so the deflection plate 18 should be installed perpendicular to the duct 16. is preferred.

Although the above embodiment is one of the preferred embodiments of the present invention, it is not limited thereto.
Various modifications can be made without departing from the gist of the present invention.

For example, although a resin-structured seat frame is used in this embodiment, it is also possible to use a commonly used seat frame with a pipe structure set with a spring material. In this case, a box body that forms a substantially sealed dispersion chamber with a relatively slidable plate 8 is attached to the pipe sheet frame, and the ceiling surface of this box body is made a perforated plate to allow the duct 6 The structure is such that the air introduced through the pad is blown out toward the pad material 2 side. Furthermore, the skin of the trim cover assembly that covers the top surface of the seat cushion does not need to be completely breathable; it is also possible to use a partially impermeable skin so that the wind is concentrated in the seating area. It is.

Since the automobile seat according to the present invention has the above-mentioned configuration, the hot air, cold air, or room temperature air introduced from the duct 6 flows into the dispersion chamber 4.
After being dispersed in the filament cushion material layer, it is blown out to the pad material 2 made of the filament cushion material through ventilation holes 13 bored at predetermined intervals, and is further dispersed in this filament cushion material layer and from the breathable skin member 3. It's blown out. Further, a part of the wind from the dispersion chamber 4 is introduced into the dispersion chamber 17 of the seat bag 1B through the duct 16, and passes through the outlet 13 to the pad 2.
It is blown out from the trim cover assembly 3. Therefore, a desired amount of air at a desired temperature can always be supplied to the seat occupant by controlling the fan, and the seat and back are appropriately warmed or cooled to prevent coldness and stuffiness. Note that the air volume can be adjusted by the number of rotations of the fan or the degree of opening and closing of the valve.

Effects of the invention As is clear from the above explanation, in the ventilated car seat of the invention, even when the car seat is adjusted back and forth, the plate fixed to the duct does not stick to the guide part on the seat cushion side. This allows the sheet to be moved while keeping the dispersion chamber sealed, thereby maintaining the connection between the sheet and the duct without changing the duct position. Further, since the seat back side dispersion chamber and the seat back side dispersion chamber are connected by a duct, the movement of the seat back can be followed regardless of the position or inclination of the seat back.
Therefore, according to the present invention, the duct is fixed on the floor under the seat and connected to the car seat,
The seat can be adjusted and moved in the longitudinal direction, and the duct can be excluded from the range of movement of the passenger.

[Brief explanation of the drawing]

Fig. 1 is a central vertical cross-sectional view showing one embodiment of the ventilated automobile sheet of the present invention, Fig. 2 is a cross-sectional view of the same sheet, and Fig. 3 is a three-directional cross-sectional view of the sheet used as a pad material in this embodiment. 4 is a perspective view showing a portion of a cushion material formed by the filament shown in FIG. 3; FIG. 5 is a perspective view showing an example of a conventional ventilated automobile seat; FIG. 6 is a sectional view taken along the - line in FIG. 5. 1...Seat frame, 2...Pad material, 3...
...Skin member, 4...Dispersion chamber, 6...Duct, 7...
...Guide part, 8...Plate, 10...Opening part,
W...Vehicle floor.

Claims (1)

[Scope of utility model registration request] An automobile seat cushion in which a breathable seat pad made of a monofilament bonded cushion material is covered with a breathable skin member is mounted on a frame whose upper surface is composed of a perforated plate and has a hollow dispersion chamber inside;
In the automobile seat in which a duct is connected to the dispersion chamber, a guide portion extending in the front-rear direction is provided at the center of the lower part of the frame, and the guide portion includes a long hole extending in the front-rear direction opened in the bottom plate of the frame. It is formed by a sliding plate that closes a shaped opening, and a pair of approximately O-shaped support plates that slidably support both sides of the sliding plate, and is located on the vehicle floor and of the guide portion. A tip of a duct laid along the lower part is fixed by passing through the sliding plate to connect the dispersion chamber and the air source, while also providing a dispersion chamber opening toward the seat pad side on the seat back side, A breathable automobile seat, characterized in that the dispersion chamber and the dispersion chamber on the seat cushion side are connected by a flexible duct, and wind is blown out from the seat surfaces of both the seat cushion and the seat back.