JP2017071250A - Automobile seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automobile seat having improved getting on/off performance.SOLUTION: An automobile seat 1 is constituted of a main part 9a which is arranged so as to be able to hold the back or the thighs of an occupant and in which an energy absorber 11 is placed in a plurality of chambers 10; and sub-parts 9b which are arranged at the sides of the main part 9a, with the sub-parts 9b being constituted of deformable pad materials 4, 5, 7 such as polyurethane foam.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a seat mounted on an automobile.

  For example, Patent Document 1 is known as an automobile seat that supports a seat cushion structure in which a conventional energy absorbing substance is disposed in a plurality of chambers.

Special table 2013-510770 gazette

  However, in such a conventional automobile seat, when the energy absorbing material is disposed in the plurality of chambers in the sub-portion of the seat, it becomes hard and difficult to bend, and the boarding / exiting property is not good. There is a problem.

  The present invention has been made paying attention to such a conventional technique, and provides an automobile seat having improved getting on and off.

  According to the first aspect of the present invention, there is provided a main part which is arranged so as to be able to hold the back or thigh of the occupant and in which the energy absorbing material is arranged in a plurality of chambers, and is arranged beside the main part. And a sub-portion, wherein the sub-portion is made of a flexible pad material such as polyurethane foam.

  The invention according to claim 2 is arranged so that the back or thigh of the occupant itself can be held and an energy absorbing material is arranged in a plurality of chambers, and is arranged beside the main part. And a sub-portion, wherein the sub-portion comprises the energy absorbing material disposed in a plurality of chambers.

  According to a third aspect of the present invention, there is provided a main portion that is arranged so as to hold the back or thigh of the occupant and in which the energy absorbing material is disposed in a plurality of chambers, and an upper portion and a side of the main portion. A vehicle seat comprising at least a sub-part arranged in the part, wherein the sub-part is a side support part capable of holding a side part of an occupant against a centrifugal force associated with a car traveling on a curve The upper support part which can hold | maintain the urging | biasing force to the back of a passenger | crew's shoulder reliably is formed continuously.

  A fourth aspect of the present invention is the automobile seat according to any one of the first to third aspects, wherein the pad material provided in the sub-portion is covered with a skin and the main body. The pad material is engaged with the main part by a resin claw at the end of the back panel provided on the back surface of the part.

  According to the first aspect of the present invention, there is provided a main part which is arranged so as to be able to hold the back or thigh of the occupant and in which the energy absorbing material is disposed in a plurality of chambers, and beside the main part. It is an automobile seat composed of at least a sub-part arranged, and the sub-part is made of a flexible pad material such as polyurethane foam, so that the sub-part is easily bent by the pad material, It has the effect of improving boarding / exiting performance.

  According to the second aspect of the present invention, there is provided a main part which is arranged so as to be able to hold the back or thigh of the occupant and in which the energy absorbing material is arranged in a plurality of chambers, and beside the main part. An automotive seat comprising at least a sub-portion disposed, wherein the sub-portion is configured such that the energy absorption material is disposed in a plurality of chambers, and the sub-portion is easily bent by the energy absorption material. This has the effect of improving boarding / exiting performance.

  According to the third aspect of the present invention, a main part that is arranged so as to hold the back or thigh of the occupant and in which the energy absorbing material is disposed in the plurality of chambers, an upper part of the main part, and A vehicle seat comprising at least a sub-part disposed on a side part, wherein the sub-part is a side support part capable of holding a side part of an occupant against a centrifugal force associated with a car traveling on a curve And since the upper support part that can reliably hold the urging force to the rear of the occupant's shoulder is formed continuously, the pad material of the sub part may be thin, and the manufacturing cost will be low. It has the effect.

  According to a fourth aspect of the present invention, there is provided an automobile seat according to any one of the first to third aspects, wherein the pad material provided in the sub-portion is covered with a skin and the Since the pad material is engaged with the main portion by the resin pawl at the back panel end portion provided on the back surface of the main portion, the positioning of the pad material and the back panel of the sub portion and the pad material It has the effect that it can be prevented from coming off.

1 is a front view of a seat according to a first embodiment of the present invention, in which a seat back is in a standing position. It is sectional drawing along the SA-SA line of FIG. It is an enlarged front view of the B section of FIG. It is an expanded sectional view of the C section of FIG. It is a perspective view which shows the seat back frame of FIG.1 and FIG.2. It is the expansion perspective view seen from the front of the seat back of FIG. It is a perspective view of the back surface of the seat back of FIG. It is the expansion perspective view seen from the front of the main part of FIG. It is a perspective view of the back surface of the main part of FIG. It is sectional drawing along SD-SD of FIG. FIG. 6 is a perspective view showing a main part and a sub part in which the energy absorbing material of the seat back of FIG. 1 is arranged in a plurality of chambers according to the second embodiment of the present invention. FIG. 6 is a perspective view showing a main part in which the energy absorbing material of the seat back of FIG. 1 is arranged in a plurality of chambers and a sub part arranged beside the main part according to the third embodiment of the present invention. FIG. 5 is an enlarged cross-sectional view corresponding to FIG. 4 according to a fourth embodiment of the present invention. FIG. 5 is an enlarged sectional view corresponding to FIG. 4 according to a fifth embodiment of the present invention.

  The object of providing an automobile seat with improved ease of getting on and off was realized by the following configuration. That is, at least a main part that is arranged so as to be able to hold the back or thigh of the occupant and in which the energy absorbing material is arranged in a plurality of chambers, and a sub part that is arranged beside the main part. The automobile seat is configured, and the sub part is realized by being configured by a flexible pad material such as polyurethane foam.

  Hereinafter, the configuration of the seat 1 mounted on the automobile according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 10. The seat 1 includes a seat back 9 and a seat cushion (not shown). The seat back 9 will be described as a representative. The seat back 9 is located directly behind the back of an occupant (not shown), is arranged at a central position where the back itself can be held, and a main portion 9a in which coil springs 11 that are energy absorbing materials are disposed in the plurality of chambers 10. And sub-parts 9b and 9b which are arranged on the left and right sides of the main part 9a and are symmetrically formed. When the seat 1 is a seat cushion, the main portion 9a can hold the thigh portion of an occupant (not shown) from below, and the sub portions 9b and 9b are arranged on the left and right sides of the main portion 9a. Of course.

  The sub portions 9b and 9b are constituted by pad materials 4, 5, and 7 formed of a flexible material such as polyurethane foam, and the pad materials 4, 5, and 7 of the sub portions 9b and 9b are formed by the seat back frame 2. The side frames 2a and 2b are covered. The right pad materials 5, 7 are composed of two constituent members 5a, 7a. When the side airbag 8 is inflated, the front end portions 5b, 7b are opened when the side airbag 8 is wrapped around the side frame 2b. Then, the side airbag 8 bulging into the room is deployed to protect the occupant from the side. The pad materials 4, 5, and 7 are covered with an outer skin 15, and reference numeral 15 a is a cleavage portion of the outer skin 15 that guides the inflation and deployment of the side airbag 8. Reference numeral 14 denotes slab urethane interposed between the pad materials 4, 5, 7 and the skin 15. As shown in FIG. 2, a resin hook 2 c supported by the skin 15 is engaged with the seat back frame 2. Although the back surface of the skin 15 can be easily detached from the seat back frame 2 by a chuck-like member, the illustration is omitted because it is well known.

  Reference numeral 3 denotes a plate-like back panel made of synthetic resin, and has a front surface 3a and a back surface 3b as shown in FIGS. On the back surface 3b, ribs 3c and 3c and hollow bosses 3f and 3f are formed to protrude. As shown in FIG. 3, the ribs 3 c and 3 c are engaged with a recess 4 a provided on the back surface of the pad material 4 that is the sub portion 9 b, and the vertical position of the sub portion 9 b is determined. The same applies to the pad material 5 which is the sub portion 9b. The bosses 3f and 3f are fitted into the through holes 2da and 2da formed in the supporter member 5a which is a reinforcing member made of a nonwoven fabric adhered when the pad materials 4 and 5 constituting the sub part 9b are integrally foamed. The positioning of the pad material 5 and the back panel 3 of the sub portion 9b and the prevention of the pad material 5 from coming off are attempted. Reference numeral 3 d is a pilot hole for inserting a screw (not shown) that fixes the back panel 3 to the seat back frame 2. Reference numeral 3 e is a plurality of reinforcing ribs formed on the back surface 3 b of the back panel 3. As shown in FIG. 2, an end portion 5 c of the pad material 5 enters between the back surface 3 b of the back panel 3 and the skin 15. The same applies to the pad material 4.

  A plurality of bag portions 10 a are formed on the back surface of the chamber 10, and a coil spring 11 that is an “energy absorbing substance” is loaded in each bag portion 10 a. Reference numerals 10b and 10c denote compression parts around the bag part 10a.

  As shown in FIG. 5, the upper member 2c is formed by bridging the upper ends of the side frames 2a and 2b of the seat back frame 2, and between the lower ends of the side frames 2a and 2b of the seat back frame 2. The lower member 2e is formed by cross-linking, and the center member 2d is disposed between the upper member 2c and the lower member 2e. Reference numerals 2f and 2f denote fixing means such as screws (not shown) via a mounting portion 3d formed on the upper portion of the back panel 3, and the screw means that the fixing means for fixing the back panel 3 to the upper member 2c can be screwed together. It is a hole.

  As shown in FIG. 4, the skin 15 at the boundary between the main part 9 a and the sub part 9 b penetrates to the back, and the main part 9 a side and the sub part 9 b side are integrated by the fastener 12 and fixed by the resin claw 13. Is done. As shown in FIG. 2, the end of the resin claw 13 is straight, and the resin claw 13 engages with the pad portion 5 of the sub portion 9b to prevent the sub portion 9b from rotating.

  The operation of the first embodiment of the present invention having the above configuration will be described next.

  The vehicle seat 1 includes a main part 9a which is arranged so as to hold the back of an occupant (not shown) and in which a coil spring 11 which is an energy absorbing material is disposed in a plurality of chambers 10, and the main part 9a. Sub-parts 9b, 9b arranged on both sides of the sheet 1 and the sub-part 9b is composed of flexible pad materials 4, 5, 7 such as polyurethane foam. Since 9b becomes easy to bend with pad material 4,5,7, it has the effect of improving boarding / alighting property.

  The pad materials 4, 5, and 7 of the sub portions 9b and 9b are covered with the skin 15 and the pad materials 4, 5, and 7 are formed by the resin claws 13 at the end of the back panel 3 provided on the back surface of the main portion 9a. Since it is engaged with the portion 9a, the pad members 4, 5, 7 of the sub portions 9b, 9b and the back panel 3 can be positioned and the pad members 4, 5, 7 can be prevented from coming off.

  Hereinafter, the configuration of the seat 1 mounted on the vehicle mounted on the vehicle according to the second embodiment of the present invention will be described with reference to FIG. The seat 1 includes a seat back 9 and a seat cushion (not shown). The seat back 9 will be described as a representative. The seat back 9 is located directly behind the back of an occupant (not shown), is arranged at a central position where the back itself can be held, and coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). A main body 9a and coil springs 11 that are arranged on the left and right sides of the main section 9a and that are energy absorbing materials are disposed in a plurality of chambers 10 (see FIG. 2) and are symmetrically formed. And sub-parts 9b and 9b. When the seat 1 is a seat cushion, the main portion 9a can hold the thigh portion of an occupant (not shown) from below, and the sub portions 9b and 9b are arranged on the left and right sides of the main portion 9a. Of course. The other structure is the same as that of the first embodiment.

  The operation of the second embodiment of the present invention having the above configuration will be described next.

  The vehicle seat 1 is arranged so as to be able to hold a passenger's back (not shown), and a main portion 9a in which coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The coil spring 11, which is disposed on the side of the main part 9 a and is an energy absorbing substance, is composed of sub-parts 9 b and 9 b arranged in a plurality of chambers 10 (see FIG. 2). It has the effect of improving the property.

  Hereinafter, the configuration of the seat 1 mounted on the automobile according to the third embodiment of the present invention will be described with reference to FIG. The seat 1 includes a seat back 9 and a seat cushion (not shown). The seat back 9 will be described as a representative. The seat back 9 is located directly behind the back of an occupant (not shown), is arranged at a central position where the back itself can be held, and coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The main part 9a and the sub-parts 9b, 9b, 9c formed on the left and right sides and the upper side of the main part 9a and symmetrically formed. When the seat 1 is a seat cushion, the main portion 9a can hold a thigh portion of an occupant (not shown) from the lower side, and the sub portions 9b, 9b, and 9c are provided on the left and right sides and front portions of the main portion 9a. Of course, it is arranged. The other structure is the same as that of the first embodiment.

  Of the sub-parts 9b, 9b, 9c, the sub-parts 9b, 9b are side support parts 17 and the sub-part 9c is an upper support part 18, which is a pad material 4, 5, 7 (flexible foam material such as polyurethane foam). 2) and the pad material 16. The pad materials 4, 5 and 7 cover the front sides of the side frames 2 a and 2 b of the seat back frame 2. The pad material 16 covers the front side of the upper member 2 c of the seat back frame 2. Since the pad materials 4, 5, and 7 and the slab urethane 14 have the same configurations as those of the first embodiment, description thereof is omitted. The pad materials 4, 5, 7, and 16 are covered with an outer skin 15, and reference numeral 15 a is a cleavage portion of the outer skin 15 that guides the inflation and deployment of the side airbag 8. This is also the same structure as the first embodiment. The pad members 4, 5, 7 and the pad member 16 are formed continuously, and the pad member 16 is viewed from the front so as to reliably hold the urging force to the rear of the shoulder of the occupant (not shown). It is formed in a shape that the U character is upside down.

  The operation of the third embodiment of the present invention having the above configuration will be described next.

  The vehicle seat 1 is arranged so as to be able to hold a passenger's back (not shown), and a main portion 9a in which coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The sub-parts 9b, 9b and 9c arranged on the left and right sides and the upper side of the main part 9a have the effect of improving the boarding / exiting performance. In such a case, the pad materials 4, 5, 7, and 16 of the sub portions 9b, 9b, and 9c may be thin, and the manufacturing cost is reduced.

  Hereinafter, the structure of the seat 1 mounted on the automobile according to the fourth embodiment of the present invention will be described with reference to FIG. The seat 1 includes a seat back 9 and a seat cushion (not shown). The seat back 9 will be described as a representative. The seat back 9 is located directly behind the back of an occupant (not shown), is arranged at a central position where the back itself can be held, and coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The main part 9a and the sub-parts 9b, 9b, 9c formed on the left and right sides and the upper side of the main part 9a and symmetrically formed. When the seat 1 is a seat cushion, the main portion 9a can hold a thigh portion of an occupant (not shown) from the lower side, and the sub portions 9b, 9b, and 9c are provided on the left and right sides and front portions of the main portion 9a. Of course, it is arranged. The other structure is the same as that of the first embodiment.

  The end 5c of the pad material 5 is formed in a wedge shape before assembling as indicated by reference numeral 5d shown in FIG. 13, and is prevented from falling out by being crushed during assembly.

  The operation of the fourth embodiment of the present invention having the above configuration will be described next.

  The vehicle seat 1 is arranged so as to be able to hold a passenger's back (not shown), and a main portion 9a in which coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The sub-parts 9b, 9b and 9c arranged on the left and right sides and the upper side of the main part 9a have the effect of improving the boarding / exiting performance. In such a case, the pad materials 4, 5, 7, and 16 of the sub portions 9b, 9b, and 9c may be thin, and the manufacturing cost is reduced.

  Hereinafter, the structure of the seat 1 mounted on the automobile according to the fifth embodiment of the present invention will be described with reference to FIG. The seat 1 includes a seat back 9 and a seat cushion (not shown). The seat back 9 will be described as a representative. The seat back 9 is located directly behind the back of an occupant (not shown), is arranged at a central position where the back itself can be held, and coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The main part 9a and the sub-parts 9b, 9b, 9c formed on the left and right sides and the upper side of the main part 9a and symmetrically formed. When the seat 1 is a seat cushion, the main portion 9a can hold a thigh portion of an occupant (not shown) from the lower side, and the sub portions 9b, 9b, and 9c are provided on the left and right sides and front portions of the main portion 9a. Of course, it is arranged. The other structure is the same as that of the first embodiment.

  As shown in FIG. 4, the skin 15 at the boundary between the main part 9 a and the sub part 9 b penetrates to the back, and the main part 9 a side and the sub part 9 b side are integrated by the fastener 12 and fixed by the resin claw 13. Is done. As shown in FIG. 14, the ends of the resin claws 13 are wedge-shaped and engaged with the pad material 5.

  The operation of the fifth embodiment of the present invention having the above arrangement will be described next.

  The vehicle seat 1 is arranged so as to be able to hold a passenger's back (not shown), and a main portion 9a in which coil springs 11 which are energy absorbing materials are arranged in a plurality of chambers 10 (see FIG. 2). The sub-parts 9b, 9b and 9c arranged on the left and right sides and the upper side of the main part 9a have the effect of improving the boarding / exiting performance. In such a case, the pad materials 4, 5, 7, and 16 of the sub portions 9b, 9b, and 9c may be thin, and the manufacturing cost is reduced.

  The seat 1 is not limited to the seat back 9 and may be a seat cushion capable of supporting the thigh of the occupant.

1 Sheet 4, 5, 7, 16 Pad material 9a Main part 9b, 9c Sub part 10 Chamber 11 Coil spring (energy absorbing material)
13 Resin Claw 14 Skin 17 Side Support 18 Upper Support

Claims (4)

The main part is arranged to hold the occupant's back or thigh itself, and the energy absorbing material is disposed in the plurality of chambers, and the sub part is arranged at the side of the main part. An automotive seat,
The said sub part is comprised by the pad material which can bend, such as a polyurethane foam, The seat for motor vehicles characterized by the above-mentioned. The main part is arranged to hold the occupant's back or thigh itself, and the energy absorbing material is disposed in the plurality of chambers, and the sub part is arranged at the side of the main part. An automotive seat,
The vehicle seat according to claim 1, wherein the sub-portion includes an energy absorbing material disposed in a plurality of chambers. A main part which is arranged so as to hold the back or thigh itself of the occupant and in which the energy absorbing material is arranged in a plurality of chambers, and a sub part which is arranged on the upper part and the side part of the main part. An automobile seat comprising at least a structure,
The sub-part is a side support part that can hold the occupant's side part against the centrifugal force associated with the car traveling on a curve, and an upper support part that can reliably hold the urging force behind the occupant's shoulder part. A vehicle seat characterized in that is formed continuously. The automobile seat according to any one of claims 1 to 3,
The pad material provided in the sub-portion is covered with a skin, and the pad material is engaged with the main portion by a resin claw at a back panel end provided on the back surface of the main portion. Car seats to be used.

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