JPS61238208A - Cushion for seat - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a seat cushion that is installed on a seat such as a driver's seat of an automobile, a chair, or a sofa.

Problems to be Solved by Conventional Technologies and Inventions In recent years, in order to maintain comfortable driving for long periods of time, in addition to installing seat cushions on the driver's seat, there have been new technologies that are effective at relieving back fatigue. Lumbar rests have come to be used, and several seat cushions have been proposed in which the seat cushion and the lumbar rest are connected together, but conventional cushions connect the seat cushion and the lumbar rest in one piece. Because of this structure, it is bulky and inconvenient to handle and store, and there is also a problem in that if the driver wishes to use the seat cushion or lumbar rest independently, he or she cannot do so.

The present invention has been completed in view of the issue of slanting, and is a seat cushion consisting of a seat cushion and a lumbar rest, which can be folded into a small volume when not in use for convenient transportation, storage, etc. It is an object of the present invention to provide a seat cushion in which the seat cushion and the lumbar rest can be used independently.

Embodiment 1 An embodiment of the present invention will be described below with reference to FIGS. 1 to 7.

The seat cushion of this embodiment is applied to a packet seat of an automobile, and as shown in FIG. It has a structure in which the waist rest 2 is connected with a connecting member 3.

The seat cushion 1 is, as shown in FIG. A top layer 6 made of soil, two pieces of moquette fabric 7.8 and a thin plate 9 of urethane foam are sewn together in a lattice pattern using two stitches in the vertical and horizontal directions, and a base layer 10 consisting of one piece of moquette fabric is layered. , whose peripheral edges are sewn together, and as shown in FIG. The length m4 is 20011I11. Length of both ends m
2 is 115+nm, and in the center of the rear edge of this cushion cover 5, an opening 14 is formed to separate the top layer 6 and the base layer 10, and a slide fastener 15 is attached. An opening is formed to separate the moquette fabric 7.8 between the stitches 12.12 at the rear edge of the fabric 6, and the back of the nine sections divided by the four stitches of the fabric 6 is formed. In the center section of the side, a pocket 16 is formed between the moquette fabrics 7 and 8.

Lower elastic plate 1 of the above two elastic plates 18.20
8 is made of urethane foam with open pores,
It is formed into a horizontally long rectangle that fits inside the cushion cover 5, and has a length Ql of 150I at a position that extends inward by a length S of 20 mm from the rear edge at the center of the rear end, that is, at a position where the anus of the human body is placed. , the maximum width Q2 is 120m
On the other hand, the upper elastic plate 20 is made of palm wood, which also has continuous pores and is commercially available under the trade name "Balm Rock". Made of a material made of fibers hardened with rubber glue,
A plate formed in approximately the same shape as the lower elastic plate 18 described above,
Furthermore, a wide board 20a in the center, and narrow boards 2 on both sides.
It is divided into three pieces, 0b and 20b, and a through hole 21 that aligns with the through hole 19 of the lower elastic plate 18 is formed at the rear end of the central plate 20a, and the upper surface of the lower elastic plate 18 , three plates 20a, 20 constituting the upper elastic plate 20
b, 20b are stacked side by side with a slight gap and fixed by adhesive to form the upper elastic plate 20.

Corresponding grooves 22.22 are formed along the seams a12, 12 of the cushion cover 5, and the side edges of the plates 20b, 20b on both sides of the upper elastic plate 20 are wider than the side edges of the lower elastic plate 18. It protrudes slightly outward.

In addition, a through hole 9a slightly larger than the through hole 19°21 is formed in the thin plate 9 of the upper layer 6 of the cushion cover 5, which is slightly larger than the through hole 19°21. Upper elastic plate 20 integrally laminated
By inserting the lower elastic plate 18 from the opening 14 and closing the slide fastener 15, the vertical length becomes 40 mm.
0 m, the horizontal length M is 430 mm, and the thickness N is 30 rrm. The seat cushion 1 is completed, and the side edge of the upper elastic plate 20 is made to protrude slightly from the side edge of the lower elastic plate 20, as shown in FIG. As shown in FIG. 2, sloped surfaces 23 are formed on the lower surface sides of both side edges of the seat cushion 1.

In addition, at the rear edge of the cushion cover 5, a belt-shaped connecting member 3 with a length C of 180 m made by overlapping two pieces of moquette fabric is sewn onto the base 10, and one piece is attached along the leading edge of the upper surface of the connecting member 3. A soft hook-and-loop fastener 24 is sewn on.

As shown in FIG. 4, the waist rest 2 has six bodies 34 made of a foamed resin material having closed pores, such as styrofoam, housed in a bag-shaped waist rest cover 25. is made by overlapping the outer fabric 26 made of two moquette fabrics 27 and 28 and the backrest 29 consisting of one moquette fabric and sewing the periphery of the layers together, from the lower edge to part of both side edges. An opening 30 is formed to separate the outer material 26 and the backrest 29, and a slide fastener 31 is attached thereto.
．． 28 is formed to separate the moquette fabric 27.
A pocket 32 is formed between 28.

As shown in FIGS. 4 to 6, the six bodies 34 have a height h of 170 mm, a width W of 300 mm, and a maximum thickness t of 551 mm.
It has a wedge shape with the thickness gradually decreasing toward the upper end, and the upper edge is formed into an arc shape with a radius of r115Wn, the lower edge is formed into an arc shape with a radius of r255 nm, and both edges are also rounded. The obliquely inclined surface 35, which is formed by connecting the arc shapes of the upper and lower edges with a tangent, is slightly curved inward so as to fit tightly against the waist of the human body. , Further, from the lower edge of the widthwise central portion of the surface 35 to slightly below the upper edge, a depth d is 10a+ and a width e is provided as a spine relief conventionally employed in this type of lumbar rest. A recess 36 having an arcuate cross section of 50m+n is formed, and when the six bodies 34 are inserted into the waist rest cover 25 through the opening 30 and the slide fastener 31 is closed, the waist rest cover 25 changes to the shape of the six bodies 34. The height H is 17 onin and the width W is 30 onin.
0 m, and a wedge-shaped waist rest 2 with a maximum thickness T of 55 m is completed, and a pair of left and right hard surfaces with a length p of 130 m are attached to the backrest 29 of the waist rest cover 25, as shown in FIG. Fasteners 38.38 are sewn in at intervals across the width.

The seat cushion of this embodiment has the above-described structure, and is placed on the hook-and-loop fasteners 38, 38 of the waist rest 2.

By pressing the hook-and-loop fastener 24 of the connecting member 3 integrally provided on the seat cushion 1, the seat cushion 1 and the lumbar rest 2 are connected.The seat cushion 1 is placed on the seat of the bucket seat a, and the lumbar rest 2 against the backrest C, and when the driver sits on it, the seat cushion 1 will
The upper elastic plate 20 is provided with grooves 22.22 and bent at the grooves, and slopes 23.2 are formed on the lower surface of one side edge.
3, it fits perfectly into the recess on the surface of the seat of the packet seat A and is difficult to shift, and is located in the area where the driver's anus touches.

Since the through holes 9a, 21 and ]9 are provided, the driver suffering from hemorrhoids will not feel any pain, and the through holes 9a, 21 and 19 are elongated in the front and rear direction. Even if the driver moves slightly back and forth, there is no risk that the anus will come out of the range of the through holes 9a, 21, and 19, and six semi-rigid bodies 34 are placed on the driver's waist. The muscles on both sides of the lumbar spine receive moderate pressure, which alleviates the accumulation of fatigue, and the spine itself has a concave 36
Since it fits inside the seat, there is no risk of pain in the spine, and therefore, you can drive comfortably for long periods of time.

The position where the hook-and-loop fastener 24 of the connecting member 3 is pressed is set to the length 130 m of the hook-and-loop fastener 38 of the waist rest 2.
By appropriately changing the seat cushion 1
Since the distance between the seat and the lumbar rest 2 can be adjusted, the height of the lumbar rest 2 can be arbitrarily changed according to the sitting height of the driver.

In addition, the pocket 16 of the seat cushion 1 or the waist rest 2
By inserting a commercially available disposable body warmer 40 into the pocket 32 of the seat cushion 1, the heat retention effect can be enhanced.
21, the warmer 40 can be accommodated in the through hole 19.21, and the driver will not feel discomfort in the buttocks.

In addition, since the lumbar rest cover 25 of the lumbar rest 2 is made of moquette fabric, by pressing it against the backrest C of the packet seat a, which is also made of moquette material, the lumbar rest 2 can be positioned while driving. It will not shift or fall when the driver gets out of his seat, and since the renbo member 3 is also made of moquette material, the waist rest 2 can be removed when not in use. It can be folded and the entire seat cushion can be packed into a small volume, making it extremely convenient to carry and store.

In addition, if a core wire such as a lead wire that is flexible and has a shape-retaining property that maintains a bent posture is inserted and sewn on both sides of the two moquette fabrics that make up the connecting member 3, the connection can be made. The member 3 has shape-retaining properties, and even if the waist rest 2 comes off the backrest C, it can be reliably held at a predetermined position.

In addition, the seat cushion 1 and the waist rest 2 are
4 and 38. By tearing and folding the connecting member 3 into the underside of the seat cushion 1, the seat cushion 1 can be placed on the seat alone in a good-looking manner. Since hard hook-and-loop fasteners 38, 38 are fixed to the backrest 29 of 2, by pressing these hook-and-loop fasteners 38° 38 against the moquette fabric of the backrest C, the waist rest 2 can be firmly attached by itself. I can do it.

Furthermore, since the lumbar rest 2 has a structure in which six bodies 34 are stored within the lumbar rest cover 25, it is possible to replace the six bodies 34 with different types according to the purpose of use and preference of the driver. be.

In the above embodiment, the one-hook fastener 24 is used to connect the connecting member 3 connected to the seat cushion 1 and the waist rest 2.
However, as shown in FIG. 8, two female hook buttons 42 and 42 are provided at the tip of the connecting member 3, and a male hook button 43. 43 may be sewn onto each other and connected by connecting these hook buttons 42 and 43.

In addition, one aspect of the present invention is the packet sheet a shown in the above embodiment.
It is also possible to apply the present invention to other seats such as chairs and sofas.

Structure and effects of the invention As specifically explained by the above embodiments.

In the seat cushion of the present invention, the seat cushion and the lumbar rest are separably connected by a flexible connecting member, so when not in use, it can be folded and packed into a small size for easy transportation and storage. This is very convenient for users, and also has the effect that the seat cushion and the lumbar rest can be used independently depending on the user's selection.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of an embodiment of the present invention in use. Fig. 2 is an exploded perspective view of the seat cushion, Fig. 3 is a partial sectional view thereof, Fig. 4 is an exploded perspective view of the lumbar rest, Fig. 5 is a cross-sectional view of the six bodies, and Fig. 6 is a partial sectional view of the seat cushion. XX sectional view, FIG. 7 is a rear perspective view of the connected state, and FIG. 8 is a rear perspective view of another embodiment of the present invention. Seat cushion 2: Waist rest 3: Connecting member 5: Cushion force bar 16: Pocket 18: Lower elastic plate 19
: Through hole 20 : Lower elastic plate 20a : Center plate 2
0b: Drilling at both ends 21: Through hole 24: Hook and loop fastener 2
5: Waist cover 32: Pocket 34: 6 bodies 35
: Surface (of 6 bodies 34) 38: Velcro fastener 40: Disposable warmer 42: Female hook button 43: M hook button

Claims (1)

[Scope of Claims] 1. A seat cushion characterized in that a seat cushion and a lumbar rest are separably connected by a flexible connecting member. 2. The seat cushion has an elastic plate inside a cloth cover. Claim 1, characterized in that the waist rest has a core body made of a foamed resin material having closed pores, such as styrene foam, housed within a cover made of cloth. Seat cushion 3 as described in the patent claim characterized in that the elastic plate is a laminated upper elastic plate made of a material made of coconut fibers hardened with rubber glue and a lower elastic plate made of urethane foam. A seat cushion 4 according to claim 2. A seat cushion 5 according to claim 3, wherein the upper elastic plate is divided into a plurality of parts. The seat cushion 6 according to claim 2, characterized in that a through hole is formed in the seat cushion 6, wherein the through hole is located on the rear side of the center of the elastic plate, and the through hole is located on the rear side of the center of the elastic plate, and A seat cushion 7 according to claim 5, characterized in that the seat cushion has an elongated shape. A pocket for storing a heating element is formed in a portion of the cover of the seat cushion that covers the through hole. The seat cushion 8 according to claim 5, characterized in that a pocket for storing a heating element is formed in a portion of the cover of the lumbar rest that covers the abutment surface of the core body. The seat cushion 9 according to claim 2, characterized in that the connecting member is made of a cloth band-like member connected to either one of the cushion cover and the lumbar support cover, and the connecting member The seat cushion 10 according to claim 2, characterized in that a hook-and-loop fastener that connects to the other cover is fixed to the other cover. The seat according to claim 2, characterized in that the seat is made of a cloth band-like article connected to one of the connecting members and the cover on the other side, and a pair of male and female hook buttons that are connected to each other are fixed to the connecting member and the cover on the other side. 11. A seat cushion 12 according to claim 9, characterized in that the distance between the seat cushion and the lumbar rest is adjustable.Flexible and The seat cushion according to claim 9 or 10, characterized in that a core wire having shape-retaining properties that maintains a bent posture is provided.