JPH11192136A - Chair having seat part of surface flastic body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assemble a bank-like part, projecting more than a seat part of a surface elastic body in a simple and strong structure and improve hold properties intaking chair. SOLUTION: This chair is constituted of a seat frame 1 provided with a plurality of locking claws 5, a surface elastic body 2 provided with a slit 6a located corresponding to each locking claw 5 and a resin plate 6, an outer layer of the skin material 4 provided with a reinforcing cord 7 provided with a slit 7a located by matching with each slit 6a of this plate 6 and a pad member 3 assembled into the seat frame 1. The resin plate 6 and the reinforcing cord 7 are overlapped and are arranged by being applied to the seat frame 1, are fitted into each slit 6a, 7a matching the locking claws 5 each other and are bent, and the resin plate 6 and the reinforcing cord 7 are fastened together and are fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a seat having a seat portion made of a breathable planar elastic body.

[0002]

2. Description of the Related Art Seats in which a seat portion is formed from a stretchable and breathable sheet-like elastic body are already known (USP).
5,013,089, 5,533,789, Tokiohei Hei 8
507935).

Since the seat has a seat portion formed of a sheet-like elastic body, the design of the seat can be changed from that of a normal seat, and a pad member or a spring member constituting the seat portion like a normal seat. This is preferable because not only can save air permeability, etc., but also air permeability can be provided, and further, the weight can be reduced and the space elastic body is thin and space efficiency is good.

[0004] In the seat having a seat surface portion made of a sheet elastic body proposed earlier, a resin frame is provided at the end of the sheet elastic body, and this resin frame is inserted into a groove provided on the axis of the seat frame. Fit and fasten the terminal of the sheet elastic body, or
It has been proposed that the planar elastic body is stretched and arranged in the frame of the seat frame by directly rotating the terminal of the planar elastic body on the axis of the seat frame and fixing the terminal with the holding plate with screws. However, this seat lacks a holdability at the time of sitting because a bank portion that is greatly raised cannot be formed.

[0005]

SUMMARY OF THE INVENTION According to the present invention, it is possible to assemble a bank which is larger than the surface position of a seating surface portion by a sheet elastic body into a solid structure with a simple structure, and it is possible to improve holdability at the time of sitting. It is an object of the present invention to provide a seat having a seating surface made of a flat elastic body.

[0006]

According to a first aspect of the present invention, there is provided a seat having a seating surface made of a sheet-like elastic body, wherein a plurality of latching claws projecting at predetermined intervals are provided on a frame surface. A frame-shaped sheet frame, a sheet-like elastic body having a resin plate provided on the plate surface with slits corresponding to the respective latching claws of the seat frame around the edge, and a slit aligned with each slit of the resin plate And a pad member attached to the seat frame, and a resin plate of a planar elastic body is placed on the frame surface of the seat frame, and the reinforcing cord of the skin material is placed on the surface. The resin plate is superimposed on the resin plate, and the hooks of the seat frame are inserted into the slits of the resin plate and the reinforcing cord that match each other, bent and bent to complement the resin plate. The cord and the seat frame are fixedly fastened together to the seat frame, a seating surface portion is formed from a sheet-like elastic body stretched in the frame of the seat frame, and one terminal is connected and fixed to the seat frame, and the other terminal is fixed to the seat frame. Is formed by wrapping the pad member from a skin material which is wound and fixed behind the back surface of the pad member to form a greatly raised bank portion.

In a seat having a seating surface made of a sheet-like elastic body according to a second aspect of the present invention, a resin is provided in which a rising flange portion engaging with a side surface from the frame surface of the seat frame is provided along each side edge on both sides. It is configured by assembling a planar elastic body having a plate around the edge.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the accompanying drawings, the illustrated embodiment is applied to assemble a seat back B and a seat cushion C in a vehicle seat as shown in FIG. Each part B, C of the vehicle seat is a seat frame 1, 10 having a substantially quadrangular frame shape.
Assembling from the sheet-like elastic bodies 2 and 11 forming the respective seating surface portions, the pad members 3 and 12 forming the large raised bank portions, and the skin members 4 and 13 enclosing the pad members 3 and 12. Have been.

A specific configuration will be described with reference to the seat back B. As shown in FIG.
A metal frame having a U-shaped cross section with an open inside is used. This seat back frame 1
Is formed so that each side of the substantially quadrilateral is bent along the axis so as to conform to the sitting posture of the occupant.

The seat back frame 1 is provided with a plurality of hooks 5, 5,... Which are used to secure the periphery of the planar elastic body 2 and the terminal of the skin material 4, as will be described later. ing. These hooks 5 are so-called “retainers”
The sheet elastic body 2 is attached and fixed to the outer peripheral edge of the seat back frame 1 by welding and fixing to the frame surface on the side where the planar elastic body 2 is stretched at a predetermined interval.

As the sheet elastic body 2, a cloth having elasticity and air permeability is used. For example, elasticity and air permeability formed by weaving or knitting a plurality of elastomeric monofilaments interwoven with a plurality of strands of fibrous yarns used for an interior fabric, or weaving or knitting an elastomeric monofilament of 1000 to 4000 denier into a warp or a weft. A woven or knitted fabric having properties can be used.

A resin plate 6 made of PET, PP, or the like is integrally fixed to the peripheral edge of the planar elastic body 2. The resin plate 6 is formed so that the periphery of the planar elastic body 2 is embedded in the wall thickness and insert-molded integrally to stretch and support the planar elastic body 2 from the periphery.

The resin plate 6 has a plurality of slits 6a, 6b... Corresponding to the locking claws 5, 5. They are provided so as to be arranged in the longitudinal direction. In addition, rising flange portions 6c and 6d that engage with the side surface from the frame surface of the seat back frame 1 are formed integrally with the resin plate 6 along respective side edges on both sides.

The pad member 3 is formed of a cushion foam body such as urethane foam, and is formed into a predetermined three-dimensional shape by providing concave portions to be fitted and fixed to the front, side, and back from the outside of the seat back frame 1. The pad members 3 are individually formed for each side of the seat back frame 1,
Further, the whole can be formed as a continuous and integral body according to the frame shape of the seat back frame 1. The front side of the pad member 3 is greatly raised so as to assemble a bank part having good holdability, and in particular, the middle side of the both sides is formed to have a large projection from the middle to the lower side, and the upper side is formed to be greatly raised as a headrest part. ing.

As the skin material 4, any of general-purpose genuine leather, synthetic leather, fabric and the like can be used. The skin material 4 can be sewn into a continuous and integral body so as to wrap the pad member 3 attached to each side of the seat back frame 1 from the outside in a substantially C-shaped cross section with the inside opened.

A reinforcing cord 7, a so-called "trim cord", is sewn to the skin material 4 along a terminal which is wound and fastened to the front side of the seat back frame 1. The reinforcing cord 7 is provided with a plurality of slits 7a, 7b... Aligned with the slits 6a, 6b.

In order to assemble the seat back B from the above-described members, first, the rising flange portions 6c and 6d of the resin plate 6 are engaged with both side portions of the seat back frame 1 so that the resin plate 6 of the sheet elastic body 2 is formed. On the frame surface of the seat back frame 1. At this time, the hooks 5, 5... Of the seat back frame 1 are fitted into the slits 6a, 6b.

Next, the reinforcing cord 7 of the skin material 4 is superimposed on the resin plate 6 of the planar elastic body 2, and the front ends of the hooking claws 5, 5,... Projecting from the slits 6a, 6b of the resin plate 6 are connected to the reinforcing cord. 7 are fitted into the slits 7a, 7b,... Which are aligned with each other, and the protruding end side is bent outward in the seat back frame 1, and the resin plate 6 and the reinforcing cord 7 are fixedly fastened to the front side of the seat back frame 1. Thereby, the sheet elastic body 2 can be stretched inside the frame of the seat back frame 1 so as to form a seat surface. Further, the skin material 4 can fix and fix one end to the front side of the seat back frame 1.

After the sheet elastic body 2 and one end of the skin material 4 are attached to the seat back frame 1, the pad members 3 are attached to each side of the seat back frame 1. After covering the pad member 3 with the skin material 4, the other terminal is wound around the back side of the seat back frame 1 to fix the terminal. A hook 8 made of a hard resin is sewn to the skin material 3 along a terminal on the winding side, and the hook 8 is hooked to a flange portion of the seat back frame 1 so as to be fixed to the terminal.

As a result, the seat surface portion is formed by the sheet elastic body 2 based on the seat back frame 1 and the bank portion which is greatly raised from the skin material 4 surrounding the pad member 3 can be formed. It is possible to assemble the seat back B having a simple structure and a robust structure with the seat surface portion and the bank portion protruding larger than the surface position of the seat surface portion.

In the above-described embodiment, the seat frame 1 has a U-shape in cross section. However, as shown in FIG. 4, a square pipe member can be assembled as the seat frame 1 '. In this case, a backing material (not shown) having a back surface formed to be openable and closable by a slide fastener or the like may be used as the skin material. Although the above-described embodiment has been described based on the seat back B, the seat cushion C can be similarly assembled.

In the seat having a seating surface made of a planar elastic body, the lumbar support 14 is provided with a back cover 15 so as to be vertically adjustable as shown in FIG. 1, and the back cover 15 is attached to the seat back frame. 1 can be configured as a seat back B with a back cover that maintains the air permeability on the upper side by attaching it to the lower rear portion of the back 1.

The seat back B and the seat cushion C are mounted on bracket plates 17a and 17b which are slidably supported by slide rails 16a and 16b, and the bracket plates 17a and 17b are covered with exterior covers 18a and 18b. Thus, the seat can be configured in the same manner as a normal seat whose front-rear position can be adjusted. Further, the bracket plate 17b on one side may be provided with a reclining mechanism 19 to constitute a reclining seat.

[0024]

As described above, according to the seat having the seating surface of the sheet elastic body according to the first aspect of the present invention, the seating surface portion is formed of the sheet elastic body based on the seat frame, and the pad is formed. It is possible to assemble a seat back and a seat cushion having a bank portion protruding greatly from a skin material enclosing the member with a simple structure. In addition, since the reinforcing cord of the skin material is fixed together with the sheet frame together with the resin play of the planar elastic body to the seat frame with the hooking claws, the entire seat can be assembled into a robust one without any trouble.

According to the seat having the seating surface made of the sheet elastic body according to the second aspect of the present invention, the rising flanges which engage with the side surfaces from the frame surface of the seat frame are provided along each side edge on both sides. By attaching a sheet elastic body with a resin plate around the edge, the resin sheet of the sheet elastic body can be accurately positioned and easily assembled to the seat frame, and the entire seat can be assembled to a more robust one .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a seat having a seat made of a planar elastic body according to the present invention.

FIG. 2 is a partially enlarged cross-sectional view showing each part constituting the seat in a developed state.

FIG. 3 is an enlarged cross-sectional view showing the same sheet taken along a line AA in FIG. 1;

FIG. 4 is a partial cross-sectional view showing another seat frame used to construct the seat.

[Explanation of symbols]

 1, 10 Seat frame 2, 11 Planar elastic body 3 12 Pad member 4, 13 Skin material 5, 5 ... Claw 6 Resin plate 6a, 6b ... Resin plate slit 6c, 6d Rise flange portion of resin plate 7 Reinforcement Code 7a, 7b ... Slit of reinforcement cord

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomomi Shoko 118-1 Ota, Takanezawa-cho, Shioya-gun, Tochigi Prefecture TS TECH Corporation Technical Center (72) Inventor Tsutomu Matsuzaki Ota-Ota, Takanezawa-cho, Shioya-gun, Tochigi Prefecture 118-1 TS Tech Co., Ltd. Technology Center (72) Inventor Naohiro Takahashi 1-4-1 Chuo, Wako-shi, Saitama Pref.

Claims (2)

[Claims] 1. A substantially quadrangular frame-shaped seat frame provided on a frame surface with a plurality of locking claws projecting at predetermined intervals, and a slit corresponding to each of the locking claws of the seat frame is provided on a plate surface. A sheet-like elastic body provided with a resin plate around the edge, a skin material provided at one end with a reinforcing cord provided with a slit aligned with each slit of the resin plate,
It consists of a pad member that is assembled to the seat frame.A sheet-like elastic resin plate is placed on the frame surface of the seat frame, and the reinforcing cord of the skin material is overlapped with the sheet-like elastic resin plate, and the seat frame hook is attached. The pawl is inserted into each of the slits of the resin plate and the reinforcing cord that match each other and bent to fix the resin plate and the reinforcing cord together with the seat frame, and from the sheet elastic body stretched inside the frame of the seat frame. Forming a seat surface portion, and connecting and fixing one end to the seat frame, and forming a bank portion that wraps around the pad member from a skin material that is wound and fixed behind the other end of the seat frame and that protrudes greatly. A seat having a seat portion made of a characteristic planar elastic body. 2. A sheet-like elastic body comprising a resin plate provided around a side edge of the seat frame and having a rising flange portion which is engaged with a side surface from a frame surface of the seat frame along each side edge on both sides. A seat having a seat portion made of the planar elastic body according to claim 1.