JPS606319Y2 - seat structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat structure that allows a seat frame, frame line, and skin end portion to be easily connected.

Conventionally, many seat structures of this type are as shown in FIGS. 1A and 1B, in which a support member 2 such as an S spring or a frame line is attached to a frame 1, and a pad 3 is arranged on this. After that, the outer skin 4 is covered, and the terminal part 5 of the outer skin 4 is pulled in and fixed to the fastening part 6 formed at the bottom of the substrate of the frame 1.

However, with this seat structure, as shown in Figure 1B,
When a load is applied to the seat from the direction of arrow a and the supporting members 2 such as the S spring and the frame line are deformed, wrinkles occur as the end portion 5 of the skin 4 sag, and as this is repeated, the wrinkles begin to loosen. There is a drawback that the end portion 5 of the skin 4 is torn, and the work of fixing the end portion 5 of the skin 4 is complicated, making it impossible to improve work efficiency.

The purpose of this invention is to be able to easily and quickly connect the seat frame, frame line, and skin end portion with fewer assembly steps, to significantly improve work efficiency, and to prevent the load from being applied to the seat. The purpose of this invention is to provide a seat structure that can absorb the sagging of the skin even when the support member is deformed, and further allows pockets and accessories to be freely attached to the outer surface of the terminal part of the skin. It will become clearer when I explain it in detail.

FIGS. 2 and 3 show an embodiment of the present invention, in which a frame 20 is formed with a hollow or flat substrate 21 and flanges 22, and each of the flanges 22 facing each other, e.g. Two holes 23 are provided at the base portion for insertion of the fastening portion of the frame line 24, and each hole 23 is formed into an elongated hole that is long in the length direction of the flange 22 in this embodiment.

The frame line 24 is formed by bending a single wire rod, and is formed to be long in the length direction of the flange 22 of the frame 20, as shown in FIG. 2 as a whole.

Also, when viewed from the length direction, the frame line 24 includes a shaped portion 25 extending upwardly from the edge of the flange 22 toward its outer side, and a portion from the root portion of the shaped portion 25 to the root portion of the flange 22. The flange 22 has a connecting portion 26 that extends in the direction shown in FIG.

The frame line 24 has a fixing part 27 projected to the outside of the flange 22 through a hole 23 provided at the root of the flange 22, and a root part of the shaped part 25 to the inside of the end edge of the flange 22. The shape forming portion 25 is arranged so as to be rotatable about the root portion of the shaping portion 25 as the rotation center O.

The frame 20 is filled with a pad 28, and both ends of the pad 28 are wrapped around the shaped portion 25 of the frame line 24.

Further, the outside of the pad 28 is covered with a skin 29, and the skin 29 is covered with a skin 29.
A hook 31 is provided on the inside of the end portion 30 of the frame 24 in correspondence with the fastening portion 27 of the frame line 24, and the end portion 30 of the skin 29 is retracted to the outside of the flange 22 of the frame 20.
It is fixed by hooking the hook 31 to the fastening portion 27 of the frame line 24 under tension.

In the seat structure of the above embodiment, the hole 2 of the frame 20
By simply inserting the fastening part 27 of the frame line 24 into the pad 2
The shaped portion 25 of No. 8 and the fastening portion 27 of the end portion 30 of the skin 29 are formed, so that the mutual assembly of the frame 20, the pad 28, and the end portion 30 of the skin 29 can be performed easily and quickly.

Also, when the seat is in use and receives a load in the direction of the arrow shown in FIG. If the base portion is configured to rotate with the rotation center O, the span between the tip portion of the shaping portion 25 and the tip portion of the fastening portion 27 at the original position of the frame line 24 shown by a solid line in FIG. 1 and the span 1' between the tip of the shaping part 25 and the tip of the fastening part 27 at the position where the frame line 24 has moved, which is shown by the imaginary line in FIG. 5, is 1=:=1', The slack of the end portion 30 of the skin 29 when receiving the load can be absorbed.

Further, since the end portion 30 of the skin 29 is stretched outside the flange 22 of the frame 20, pockets and accessories can be freely attached to the outer surface of the end portion 30 either in advance or after being fixed.

Next, FIGS. 6A, B, C, and D show various embodiments of the present invention, and the embodiment shown in FIG. 33 is formed in a crank shape in the length direction of the flange of the frame, and three fastening parts 35 are formed, and the shaped part 33 and the fastening parts 35
and is connected by a connecting portion 34.

In this embodiment, three holes between the fastening parts 27 are formed at the base of the flange of the frame in correspondence with the fastening parts 35.

In the embodiment shown in FIG. 6B, a plate material 36 made of synthetic resin or metal is attached on the shaping section 25 of the frame line 24, so that the function of the shaping section 25 is strengthened.

In the embodiment shown in FIG. 6C, the shaped portions 38, 38 of the frame line 37 are separated, and a synthetic resin or metal plate 41 is hung over both shaped portions 38, 38. , and is fixed by a fixing means 42 such as welding or welding.

Note that in FIG. 6C, reference numeral 39 is a connecting portion shown in the frame, and 40 is a fastening portion.

In the embodiment shown in the sixth drawing, a shaped portion 45.
A circular fastening part insertion hole 4 to match the fastening part 45 and the fastening part 47.
3.43 is provided, while the frame line 44 is shaped by the shaping part 45,
45 and the fastening part 47 are separated, and one fastening part 47 is formed in a flat U-shape with the same length as the frame line 44.

In this embodiment, the shaping portion 45.4 of the frame line 44 is
5 or both ends of the U-shape of the fastening part 47 are inserted through the holes 43, 43 respectively, and both ends of the lower end of the shaped part 45, 45 and the fastening part are inserted inside or outside the flange 22. By fitting both ends of the U-shape of 47 and fixing them by welding, caulking, etc., the frame line 44
is formed.

In the embodiment shown in FIG. 7, ribs 51 and 52 are attached to the portion of the frame 50 that contacts the frame line 24, and grooves 53 and 54 are formed in each rib 51 and 52 to receive the frame line 24. The frame 50 is reinforced by ribs 51 and 52.

The embodiment shown in FIG. 8 shows an embodiment in which the frame line 24 is attached to the flanges 56, 56; 57, 57 around the four sides of the frame 55. Although only a portion of the flanges 56 and 57 and the frame line 24 are shown and the rest are omitted, the shaping portions 25 of the adjacent frame lines 24 are disposed close to each other.

In the embodiment shown in FIG. 9, an elastic material chip 58 having higher elasticity than the pad 58 is provided at the part of the pad 58 where the bent part between the connecting part 26 of the frame line 24 and the fastening part 27 abuts.
9 is provided to prevent damage to the pad 58.

In the embodiment shown in FIG.
A part 60 is formed as a receiver for the elastic material chip by cutting and raising a part of the elastic material chip.
1 is interposed, and the frame line 2 is interposed by the elastic material chip 61.
The bent part between the connecting part 26 and the fastening part 27 of 4 is fixed so that the frame line 24 does not interfere with the pad 28.

In the embodiment shown in FIGS. 11A and 11B, the frame line 24
A shaft 65 is horizontally suspended between the connecting portions 26 and 26 of the frame 20, and the shaft 65 is connected to the inner surface of the flange 22 of the frame 20.
Bearing portions 66.6 provided at intervals in the length direction of 2
6, and the frame line 24 is configured to be able to rotate via the hinges 67, 67.

In addition, the above-mentioned figures 6A, B, C, D to figure 11A,
The other embodiments shown in B are similar to the embodiments shown in FIGS. 2 to 5 with respect to other structures and functions.

The above is the configuration of an embodiment of the seat structure according to the present invention. According to this configuration, the frame line has the function of shaping the seat and the function of fixing the end portion of the skin, and the number of parts is reduced. The frame line itself can be easily manufactured by bending wire, and it can be fixed by simply pulling the end of the skin into the attachment part of the frame line that protrudes outside the frame flange and attaching it. , it is possible to reduce the number of man-hours for manufacturing and assembling each member, which has the effect of reducing costs.

Furthermore, according to the present invention, the frame line is formed into a shape having at least a shaped part and a fastening part, and the root part of the shaped part located inside the edge of the flange of the frame is formed. The end portion of the skin covered on the pad is fixed to the fixing portion of the frame line, which is provided so as to be able to rotate around the center of rotation, and which protrudes from the hole formed at the base of the flange of the frame to the outside of the flange. However, when a load is applied to the end of the seat while the seat is in use, the frame rotates and at the same time absorbs the sagging of the skin, which prevents wrinkles caused by the sagging of the end. effective.

Further, according to the present invention, since the end portion of the skin is disposed outside the flange of the frame, pockets and accessories can be attached to the end portion of the skin in advance or after fixing.

The above description merely shows one embodiment of the present invention, and it is obvious that various modifications and changes may be made without departing from the spirit of the present invention.

[Brief explanation of the drawing]

FIG. 1A is a diagram showing an example of the prior art, FIG. 1B is an explanatory diagram of the operation of FIG. FIG. 3 is a partially enlarged vertical sectional view of each member in the assembled state; FIGS. 4 and 5 are action explanatory diagrams; and FIGS. 6A, B, C. , D to Figure 11 A, B
2A and 2B are diagrams showing various embodiments of the present invention, respectively. In the figure, 20, 50.55... frame, 21.
...Frame substrate, 22. 56. 57--
----Flange, 23.43... Hole between fixing parts 27 of frame line, 24.32, 37, 44... Frame line, 25, 33, 38.45. ... Frame line shaping section, 26, 34, 39.46... Frame line connection section, 27, 35, 40°47... Frame line fixing section , 28, 58...pad, 29...epidermis, 30...terminal part of epidermis, 31...
A hook that fixes the end of the skin to the fastening part of the frame line.

Claims (1)

[Scope of utility model registration request] the flange of a frame having a substrate and a flange;
A hole is provided for the insertion of the fastening part of the frame line, a frame line having a shaped part of the pad and a fastening part of the skin end part is arranged inside the flange, and the fastening part is provided in the flange. 1. A seat structure characterized in that the seat structure is configured to protrude outward through a hole provided in the flange, and to fix an outer skin end portion to the fastening portion at an outer side of the flange.