JP4066034B2 - Seat having a seating surface portion by a planar elastic body - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in a sheet for forming a seating surface portion by stretching a net-like planar elastic body in a frame.
[0002]
[Prior art]
Conventionally, a sheet for forming a seating surface portion has already been proposed since a net-like planar elastic body is stretched in a frame body (USP 5,013,089, 5,533,789, JP-T 8-507935).
[0003]
Since the seat forms a seat surface portion with a sheet-like elastic body, the appearance can be changed from that of a normal sheet, and cushioning and breathability can be imparted to the seat surface portion, and a pad member required for constituting the seat surface portion can be used. It is possible to reduce the weight by omitting the spring member and the like, and further, it is assembled into a space efficient one by the thinness of the planar elastic body.
[0004]
In stretching the planar elastic body in the frame, the previously proposed sheet is provided with a resin plate on the circumferential edge of the planar elastic body in a groove provided on the axis of the seat frame. It is shown that the circumferential edge of the fitting or planar elastic body is wound directly on the axis of the seat frame and screwed together with the presser plate.
[0005]
However, since there is almost no bank part, the seating person lacks holdability. In addition, since the hard resin plate is positioned around the frame, not only does the occupant feel uncomfortable when seated, but the resin plate may come into contact with the planar elastic body to cause edge breakage due to friction in the planar elastic body. There is also.
[0006]
[Problems to be solved by the invention]
The present invention provides a seat surface portion made of a sheet-like elastic body, and a bank portion that exhibits a large ridge can be formed with a simple structure to improve the holdability of the seat, and does not give the seat an uncomfortable feeling when seated It aims at providing the sheet | seat which has a seat surface part by a planar elastic body with favorable property.
[0007]
Another object of the present invention is to provide a seat having a seating surface portion made of a planar elastic body that can enhance the decorativeness and appearance of the seating surface portion and can give a soft touch and fit to the seated person.
[0008]
Another object of the present invention is to provide a seat having a seating surface by a planar elastic body that can be easily assembled with a robust structure.
[0009]
[Means for Solving the Problems]
In the sheet having the seating surface portion by the planar elastic body according to the first aspect of the present invention, the seat-like surface portion is formed by stretching the net-like planar elastic body in the frame body, and the pad member is attached to the frame body. It is assembled to the frame side of the pad, and the pad member is wrapped with a bank skin to form a bank part.
The embroidered skin and webbing are overlapped with the surface elastic body and fastened, and the webbing is held on the frame side by a retainer standing on the frame side of the frame body, and the surface elastic body is stretched in the frame. And a pad member that covers the frame side of the frame body and the retainer and is assembled to the frame side of the frame body is wrapped with a skin for the bank.
[0010]
In the sheet having the seating surface portion by the planar elastic body according to claim 2 of the present invention, the terminal portion in which the bank skin and the webbing are overlapped with the planar elastic body and fastened to the terminal, and the webbing The retainer that holds the hook is covered with a pad member, and the pad member is assembled to the frame side of the frame.
[0011]
In the sheet having the seating surface portion by the planar elastic body according to claim 3 of the present invention, the baffle is applied to the frame side of the frame body, and is retained on the frame side by a retainer, and the planar elastic body is formed by the baffle. Is stretched within the frame of the frame body, and the padding is covered with a pad member from the retainer and the pad member is assembled to the frame side of the frame body.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, referring to the attached drawings, the illustrated embodiment constitutes a vehicle seat as shown in FIG. 1, and is applied to assembling a seat back B and a seat cushion C, respectively. Each part B, C of this vehicle seat is a substantially quadrilateral frame, which is a seat frame 1, 10, a planar elastic body 2, 11 that forms a seating surface part, a pad member 3, 12 that forms a bank part, The banks 4 and 13 for embedding the pad members 3 and 12 are assembled as main constituent members.
[0013]
A specific configuration thereof will be described based on the seat back B. The seat back frame 1 is a substantially quadrangular frame, and a U-shaped crossing opened toward the inside of the frame as shown in FIG. A metal frame having a surface shape is used. The seat back frame 1 is formed by bending an axis so that each side of the substantially quadrilateral conforms to the sitting posture of the seated person.
[0014]
As the planar elastic body 2, a fabric having stretchability and air permeability is used. For example, one made of a plurality of elastomeric monofilaments interwoven with a plurality of strands made of fibrous yarns used for interior fabrics, or weaving or weaving 1000-4000 denier elastomer monofilaments into warps or wefts to stretch, vent It is possible to use a woven or knitted fabric imparted with properties.
[0015]
The pad member 3 is made of a cushion foam body such as urethane foam, and is formed in a predetermined three-dimensional shape so as to be fitted and fixed to the front surface, side surface, and back surface from the outside of the seat back frame 1. The pad member 3 is formed so as to be greatly raised so as to assemble a bank portion having good holdability.
[0016]
In particular, the lower side from the middle of both sides is formed as a holding portion for the seater, and the upper side is formed as a large raised portion as a headrest portion. The pad member 3 can be formed so that it can be individually assembled for each side of the seat back frame 1, or can be formed integrally in a continuous manner according to the frame shape of the seat back frame 1.
[0017]
As the skin 4 for the bank, any of general-purpose genuine leather, synthetic leather, fabric and the like can be used. The bank skin 4 is turned upside down from the end of the planar elastic body 2 and has a substantially C-shaped cross section so that the pad member 3 assembled to each side of the seat back frame 1 can be wrapped from the outside. Can be sewn as one continuous piece.
[0018]
On the front side of the seat back frame 1, as will be described later, a plurality of retainers 5 used to fix and fix the circumference of the planar elastic body 2 are provided along the axial direction at a predetermined interval. The retainer 5 is formed by bending a metal plate into a U-shape, and is erected and fixed to the seat back frame 1 by welding the lower side to the frame surface of the seat back frame 1 with the open side facing outward. ing.
[0019]
An embroidered skin 4 is overlapped on the surface elastic body 2 and sewed between the terminals, and a power cloth 6 is sewn on the back side along the terminal, thereby embedding the skin 4 and the power cloth 6 for the bank. Is fastened. As the force cloth 6, it is preferable to use a plain weave cloth which has little elongation and high strength. In addition, it is sewn before the skin 4 for the bank, and is sewn with a sewing thread whose number, thickness, etc. are adjusted, and in addition to sewing, a hot melt adhesive is applied to keep the bonding strength strong. Can do.
[0020]
The webbing 6 is sewn along the end of the planar elastic body 2 as a belt-like bag in which a bag edge is cut out and cutout portions 6a are provided at predetermined intervals. This baffle (hereinafter referred to as “buffet bag”) 6 has a metal wire 7 in the bag with the axis line exposed from the notch 6 a, and a retainer 5 that engages with the axis line of the metal wire 7. The planar elastic body 2 is provided along the end of the planar elastic body 2 so as to be hung on the frame side and to stretch the planar elastic body 2 in the frame.
[0021]
In order to assemble the seat back B from each member described above, first, the force bag 6 is pulled and the axis of the metal wire 7 is hooked on the retainer 5 of the seat back frame 1. Thereby, the planar elastic body 2 can be stretched in the frame of the seat back frame 1 so as to maintain an appropriate elastic force by being pulled by the webbing bag 6 from around the circumference.
[0022]
After the planar elastic body 2 is stretched, the pad member 3 is assembled to each side of the seat back frame 1. The pad member 3 is assembled so as to cover the retainer 5 of the seat back frame 1 including the force bag 6.
[0023]
After that, the pad skin 3 is wrapped by turning the skin 4 for the bank upside down from the end of the planar elastic body 2. The bank skin 4 is attached to a terminal by attaching a hook-shaped trim cord 8 to another terminal, winding it around the back side of the seat back frame 1, and hooking the trim cord 8 on the flange portion of the seat back frame 1. You can
[0024]
In the seat configured as described above, the pad member 3 is disposed around the edge of the planar elastic body 2 as shown in FIG. Absent. Further, since the bank portion is formed by assembling the pad member 3 to the frame portion of the seat back frame 1 and then wrapping it with the skin 4 for the bank, the bank portion is assembled so as to exhibit a large ridge that can hold a seated person stably. Can do.
[0025]
In addition to this, the planar elastic body 2 is formed by stitching a webbing bag 6 in which a bag edge is cut out and cutout portions 6a are provided at predetermined intervals on the back surface side along the terminal, and the webbing bag 6 has a cutout portion 6a. A metal wire 7 that exposes the axis is provided in the bag, and the force bag 6 is hooked to the frame portion of the seat back frame 1 by the retainer 5 that engages the axis of the metal wire 7. Can be tensioned easily with a robust structure.
[0026]
As the retainer 5 described above, in addition to the one shown in FIG. 2, a rectangular or round bar-shaped metal member that is axially bent into a U shape as shown in FIG. 4 is welded and fixed to the frame surface of the seat back frame 1. Can be provided.
[0027]
In place of the fixed welding type, both shaft ends are bent in a hook shape as shown in FIG. 5, or the axis is made into a double clip shape having a side S shape by continuing the axis as shown in FIG. A bent metal wire can be used as a retainer. The retainer 5 is configured to hang the planar elastic body 2 between the axis of the metal wire 7 provided in the force bag 6 and the retaining holes 1 a and 1 b provided in the frame surface of the seat back frame 1, thereby The webbing bag 6 can be pulled and fixed so as to be stretched in the frame of 1.
[0028]
As the retainer 5, a bent type as shown in FIG. 7a can be used. This retainer 5 is welded and fixed at one end to the frame surface of the seat back frame 1, and the axis of the metal wire 7 provided on the sackcloth 6 is hooked to the free end, and the free end is removed as shown in FIG. In addition to bending back, the free end side may be bent so as to be hooked to the side portion of the seat back frame 1 as shown in FIG. 7c.
[0029]
In the retainer 5, when the axial line of the metal wire 7 provided in the force bag 6 is hooked on the free end side, the retainer 5 can be easily hooked without applying an initial tension to the planar elastic body 2. Further, by lifting the free end side to the side portion of the seat back frame 1, it is possible to suppress the floating, and the planar elastic body 2 can be stretched in the frame of the seat back frame 1 with an appropriate tension. it can.
[0030]
In addition to the above-described configuration, a seating surface portion can be formed on the planar elastic body 2 by superimposing a seating surface skin 9 on the front side as shown in FIG. The skin 9 for the seating surface can be sewn together when the skin 4 for the bank 4 or the webbing 6 is sewn to the end of the planar elastic body 2. Since the seating surface skin 9 is superposed, the decorativeness or design of the seating surface portion can be improved.
[0031]
As the skin 9 for the seating surface, a material obtained by bonding the skin material 9a and the wadding material 9b, or a material obtained by simply superimposing the wadding material 9b on the skin material 9a can be used. If this skin 9 for the seating surface is superimposed on the surface side of the planar elastic body 2, the decorativeness of the seating surface portion can be enhanced and a soft touch feeling and fit feeling can be given to the seated person.
[0032]
As the skin 9 for the seating surface, a fabric used for a normal seat can be used, and other materials such as genuine leather, synthetic leather and the like that do not allow ventilation can be used. The skin 9 for the seating surface is superposed on substantially the entire surface of the planar elastic body 2 or, in the case of the seat back B, the upper surface side air permeability is planarized by stretching only on the lower side except for the upper side. It can also arrange | position so that it may keep with the elastic body 2. FIG. Further, the skin 9 for the seating surface is made breathable by laminating or bonding a skin material 9a such as a fabric with a highly breathable urethane foam (skeleton form: trade name) or a wadding material 9b such as a cotton cloth. You can also.
[0033]
Although the above-described embodiment has been described based on the configuration of the seat back B, the seat cushion frame 10 as shown in FIG. 1 is used as a base, and the planar elastic body 11, the bank cushion pad 12, and the cushion pad 12 are provided. The present invention can also be applied to assembling the seat cushion C from the skin material 13 to be encapsulated.
[0034]
The seat cushion C is attached to bracket plates 15a and 15b that are slidably supported by slide rails 14a and 14b, and the bracket plates 15a and 15b are covered with exterior covers 16a and 16b, thereby being the same as a normal seat. The front and rear positions can be adjusted. Further, the entire seat can be configured as a reclining seat by providing the reclining mechanism 17 on one bracket plate 15b.
[0035]
【The invention's effect】
As described above, according to the sheet having the seating surface portion of the planar elastic body according to the first aspect of the present invention, the bank skin and the blanket are overlapped with the planar elastic body and fastened, and the blanket is framed. A retainer erected on the frame side of the body is hooked to the frame side to stretch the planar elastic body in the frame, and a pad member that covers the frame side of the frame body and the retainer and is assembled to the frame side of the frame body By wrapping it with a skin for the bank, the seat surface can be made of a sheet-like elastic body, and a bank with a large ridge can be formed with a simple structure to increase the holdability of the occupant. Can be configured as a sheet having a seating surface portion by a sheet-like elastic body having a good seating property that is not given to the seat.
[0036]
According to the sheet having the seating surface portion of the planar elastic body according to the second aspect of the present invention, the terminal portion where the skin for the bank and the blanket are overlapped with the planar elastic body and fastened to the terminal, and the blanket is hung. By covering the stopped retainer with the pad member and assembling the pad member to the frame side of the frame body, the seat surface portion can be formed of a planar elastic body, and a bank portion that exhibits a large ridge can be formed with a simple structure. In addition to being able to improve the holdability of the seat, and to be able to be configured with good seating properties without giving the occupant a sense of incongruity when sitting, it is configured as a seat having a seating surface portion by a planar elastic body with good appearance Can do.
[0037]
According to the sheet having the seating surface portion of the planar elastic body according to claim 3 of the present invention, the baffle is applied to the frame side of the frame body, and the retainer is hung on the frame side, and the planar elastic body is held by the baffle. In the frame of the frame body, by covering the baffle from the retainer with the pad member and assembling the pad member on the frame side of the frame body, it has a seat surface portion by a surface-like elastic body with a good appearance, It can be configured as a seat having a seating surface by a planar elastic body that can be easily assembled with a robust structure.
[Brief description of the drawings]
FIG. 1 is a developed perspective view generally showing a seat having a seating surface portion by a planar elastic body according to the present invention.
FIG. 2 is an exploded perspective view showing constituent members of the sheet in a partially enlarged cross section.
FIG. 3 is a partially enlarged sectional view showing an assembly structure of the sheet.
FIG. 4 is an explanatory view showing another retainer used for assembling the sheet.
FIG. 5 is an explanatory view showing a retainer using metal wires used to assemble the sheet.
FIG. 6 is an explanatory view showing another retainer made of a metal wire used for assembling the sheet.
FIG. 7a is an explanatory view showing a bend-type retainer used for assembling the sheet.
FIG. 7b is an explanatory view showing the retainer of FIG. 7a in the course of bending.
FIG. 7c is an explanatory view showing the retainer of FIG. 7a in a bent state.
FIG. 8 is a partially enlarged cross-sectional view showing an assembly structure of a seat having a seat portion by a planar elastic body according to another embodiment different from that of FIG. 2;
[Explanation of symbols]
1 Seat frame
2 Planar elastic body 3 Pad member 4 Skin for bank 5 Retainer 6 Force cloth (force cloth bag)
6a Notch 7 Metal wire 9 Skin for seating surface 9a Skin material for seating surface 9b Wadding material for seating surface

Claims (3)

A net-like planar elastic body is stretched inside the frame body to form a seating surface portion, and a pad member is assembled to the frame side of the frame body, and the pad member is wrapped with a bank skin to form a bank portion. A sheet to be
The embroidered skin and webbing are overlapped with the surface elastic body and fastened, and the webbing is held on the frame side by a retainer standing on the frame side of the frame body, and the surface elastic body is stretched in the frame. A sheet having a seating surface portion by a planar elastic body, wherein a pad member that covers the frame side of the frame body and the retainer and is attached to the frame side of the frame body is wrapped with a skin for a bank.   The padding member is covered with a pad portion that covers the bank for the bank and the end portion where the bundling is overlapped with the planar elastic body and is fixed to the end, and the retainer to which the bundling is hooked. The seat having a seating surface portion by the planar elastic body according to claim 1, wherein the seating surface portion is assembled to the seating surface.   The baffle is applied to the frame side of the frame body and is latched on the frame side by a retainer, and a planar elastic body is stretched in the frame of the frame body by the baffle, and the baffle is padded from the retainer. The seat having a seating surface by a planar elastic body according to claim 1 or 2, wherein the pad member is attached to a frame side of the frame body.

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