JP2004291874A - Seat for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat for a vehicle capable of adjusting height of a seat cushion part to support an infant, securing marketability and reducing cost. <P>SOLUTION: This seat cushion 2 is constituted of a first cushion member 10 free to hold a thigh and with a recessed part 8 formed on a portion corresponding to a buttocks part of it, a base member 13 of a pan type cross-section free to store in the recessed part 8 and to remove and with a hollow part 11 formed on it and a second cushion member 16 free to support the buttocks part and support on the base member 13, and the base member 13 can be properly adjusted to a first position free to store the second cushion member 16 in the hollow part 11 and to remove it and at which an upper surface of the second cushion member 16 comes to be roughly at the same level as the first cushion member 10 and a second position to be at an upper surface position higher than the upper surface of the first position by placing the second cushion member 16 on it. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat capable of holding an adult body, supporting an infant, and storing small items.
[0002]
[Prior art]
As a vehicle seat, for example, it is possible to separately support the front and rear of the infant cushion part, and it is possible to reduce the weight and cost by obtaining sufficient strength and rigidity. In order to provide a seat with a cushion portion for an infant that is rich in feeling and comfortable to sit on, a concave portion is provided at substantially the center of the seat cushion, and the infant cushion portion is provided in the concave portion via a link member that supports the front end on both sides thereof. A storage position that fits into the bottom of the recess and a seating position where the front end side is supported by the link member and the rear end side is placed on the rear end of the seat cushion are displaceably disposed. There is a seat that is connected to the rear end of the infant cushion so that the seat cushion can be turned upside down between a forward position forming the seat surface of the seat cushion and an upright position standing along the seat back (eg, If, Patent Document 1.).
[0003]
Further, in the case where a part of an adult seat cushion is used as a seat cushion portion of a child seat, in order to improve usability as an infant seat and an adult seat cushion, an infant seat is provided in front of the seat cushion. A concave storage portion for storing the seat cushion portion is provided, and a seat cushion portion including an upper cushion portion and a lower cushion portion which are placed in an expanded state on the seat cushion behind the storage portion is stored in the storage portion up and down. (For example, Patent Document 2).
[0004]
Furthermore, in order to make the headrest divertable to the cushion portion for infants and to improve the usability, the headrest is divided into first and second divided portions, and the infant is held on the adult seat. There is a seat in which a headrest of an adult seat is removed, deployed forward and backward, placed on a seat cushion, and an infant can be placed thereon (for example, Patent Document 3).
[0005]
[Patent Document 1]
JP-A-1994-336134.
[Patent Document 2]
JP-A-1996-011605.
[Patent Document 1]
JP-A-1996-048178.
[0006]
[Problems to be solved by the invention]
However, in such a conventional technique, the cost increases when the link member is used. When the adult seat cushion is lifted, the height of the seat cushion supporting the infant is determined by the fixed thickness of the seat cushion, and there is no flexibility. When the headrest is used as a seat for an infant, it is difficult to remove the spills of beverages and sweets from the infant, leaving an odor, which impairs the merchantability of the headrest near the nose when it is reset.
[0007]
The present invention has been made by paying attention to such a conventional technique, and provides a vehicle seat that can make the height of a seat cushion portion supporting an infant variable, secure commerciality, and reduce costs. It is.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 is a vehicle seat comprising a seat cushion on which an adult body can be seated and a seat back on which the back of the adult body can lean, wherein the seat cushion adjusts a thigh of a seated occupant. A first cushion member having a concave portion formed at a position corresponding to the buttocks of an occupant that can be held and seated, and a pan having a hollow portion formed therein that can be housed and removed from the concave portion of the first cushion member. And a second cushion member capable of holding the buttocks of a seated occupant and supporting the base member. The base member stores and detaches the second cushion member in a hollow portion. By placing the second cushion member and a first position where the upper surface of the second cushion member becomes possible and the upper surface of the second cushion member is substantially flush with the first cushion member. Wherein the serial Naru can be appropriately adjusted to a second position in which the upper surface higher than the upper surface position of the first position.
[0009]
According to the first aspect of the present invention, when the base member is at the first position in the concave portion of the first cushion member, the upper surface of the second cushion member housed in the hollow portion of the base member is the first cushion member. Since the first cushion member and the second cushion member form an approximately wide area seat cushion portion for an adult, and if the second cushion member housed in the hollow portion of the base member is detached, The hollow portion can be exposed, and appropriate articles can be stored. At this time, the second cushion member has a function of a lid for the hollow portion.
[0010]
Next, the base member and the second cushion member themselves are once detached from the concave portion of the first cushion member, and the base member is turned over so as to be stored again in the concave portion of the first cushion member with the opening side of the hollow portion down. In the second position, the second cushion member is placed on the bottom of the base member, so that the upper surface of the second cushion member is at an upper surface position higher than the upper surface of the first cushion member. An infant seat formed by the back and the second cushion member can be provided, and the height of the seat cushion portion for supporting the infant can be varied to ensure commerciality and reduce costs.
[0011]
According to a second aspect of the present invention, there is provided the vehicle seat according to the first aspect, wherein the first cushion member includes a frame that is placed on a floor member and retains a shape, and covers the frame and foams the frame. A cushion member formed of a material; and a skin material covering the cushion member, wherein the recessed portion has a side wall formed by the cushion member and the skin material, and a plate laid on the cushion member. And the upper portion of the bottom wall of the recess and the bottom of the second cushion member are detachable.
[0012]
According to the invention described in claim 2, since the side wall is formed by the cushion member and the skin material of the first cushion member, the recess has a sense of unity with the first cushion member. Since the bottom wall is formed by the plate laid on the cushion member of the first cushion member, the number of parts is small and the cost is low. Since the upper part of the bottom wall of the recess is detachable from the bottom of the second cushion member, the second cushion member stored in the recess is not easily detached.
[0013]
According to a third aspect of the present invention, there is provided the vehicle seat according to the first or second aspect, wherein an opening edge of the base member is detachably engageable with a side wall of a concave portion of the first cushion member. It is characterized by being.
[0014]
According to the third aspect of the present invention, since the opening edge of the base member can be engaged with the side wall of the recess of the first cushion member, the seated occupant's buttocks do not feel uncomfortable and are stored in the recess. The second cushion member does not come off easily.
[0015]
The invention according to a fourth aspect is the vehicle seat according to the third aspect, wherein an opening edge of the base member extends outward, and is provided on a side wall of a concave portion of the first cushion member. Is characterized in that an engaging portion with which an opening edge of the base member can be engaged is formed.
[0016]
According to the fourth aspect of the present invention, the opening edge of the base member extending outward is engaged with the side wall of the concave portion of the first cushion member in which the engaging portion is formed. Also, the seated occupant's buttocks are not discomforted, and the first cushion member stored in the recess is not easily detached.
[0017]
According to a fifth aspect of the present invention, there is provided the vehicle seat according to any one of the second to fourth aspects, wherein the engaging portion of the side wall portion of the concave portion of the first cushion member is provided in a vertical direction. A plurality is formed.
[0018]
According to the fifth aspect of the present invention, since the opening edge of the base member can be engaged with any of the plurality of engaging portions formed in the vertical direction, the height of the base member with respect to the first cushion member can be increased. Adjustable in position. Therefore, since the position of the second cushion member placed on the bottom of the base member with respect to the first cushion member can be changed as appropriate, it is possible to cope with the physique of an infant. That is, it is possible to adjust the relative position between the seat belt and the neck of the infant, and to adjust the outside visibility.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0020]
1 to 5 illustrate an automobile seat 1 according to an embodiment of the present invention. The vehicle seat 1 includes a seat cushion 2 on which an adult body can sit and a seat back 3 on which the back of the adult body can lean. The seat cushion 2 includes left and right seats 4, 5 and a central seat. 6 are integrally formed.
[0021]
The left and right seats 4, 5 and the central seat 6 of the seat cushion 2 are capable of holding the thighs of the seated occupant, and have recesses 7, 8, 9 formed at positions corresponding to the buttocks of the seated occupant. The first cushion member 10 and the base members 12, 13, 14 each having a pot-like cross-section and having a hollow portion 11 formed in the recesses 7, 8, 9 of the first cushion member 10 so as to be able to be housed and detached from each other. And second cushion members 15, 16, 17 capable of holding the buttocks of a seated occupant and supporting the base members 12, 13, 14.
[0022]
The base members 12, 13, and 14 are capable of storing and removing the second cushion members 15, 16, and 17 in the hollow portion 11, and the upper surfaces 15a, 16a, and 17a of the second cushion members 15, 16, and 17 are the same. By placing the second cushion members 15, 16, 17 on the first position (the position of the second cushion member 16 on the right side in FIG. 4) which is substantially flush with the first cushion member 10, the first position is achieved. The position can be appropriately adjusted to a second position (the position of the second cushion member 15 on the left side in FIG. 4) which is an upper surface position higher than the upper surface of the position. Opening edges 12a, 13a, 14a of the base members 12, 13, 14 are extended outward and engage with and disengage from side walls 21 of recesses 7, 8, 9 of the first cushion member 10, which will be described later. It is free.
[0023]
The first cushion member 10 includes a frame 18 that is placed on a floor member (not shown) and retains a shape, a cushion portion 19 that covers the frame 18 and is formed of a foam material such as polyurethane foam. It comprises a skin material 20 such as a knitted fabric having elasticity that covers the cushion portion 19.
[0024]
The recesses 7, 8, 9 are formed by a side wall 21 formed by the cushion 19 and the skin material 20, and a plate 22 bridged between the frames 18, 18 and laid on the cushion 19. The upper portion of the bottom wall portion 23 of the recesses 7, 8, 9 and the bottom portions 12b, 13b, 14b of the base members 12, 13, 14 are composed of a male fastener 24 and a female fastener 25. Can be freely disengaged. The base members 12, 13, 14 and the second cushion members 15, 16, 17 are formed by frictional forces generated by the side walls 12c, 13c, 14c of the base members 12, 13, 14 of the second cushion members 15, 16, 17. By being held, the second cushion members 15, 16 and 17 are the same as being held by the recesses 7, 8 and 9.
[0025]
Engaging portions 29, 30, 31 with which the opening edges 12 a, 13 a, 14 a of the base members 12, 13, 14 can engage with the side walls 21 of the recesses 7, 8, 9 of the first cushion member 10. Is formed. As shown in FIG. 3, the uppermost engaging portion 24 is engaged when the opening edges 12a, 13a, 14a of the base members 12, 13, 14 are turned upward. As shown in FIG. 5, the lower two engaging portions 30, 31 are engaged when the opening edges 12a, 13a, 14a of the base members 12, 13, 14 are set to the lower side. By selecting one of the two engaging portions 30, 31, the heights of the upper surfaces 15a, 16a, 17a of the second cushion members 15, 16, 17 are different.
[0026]
Next, the operation of this embodiment will be described.
[0027]
Normal use condition:
[0028]
When all or any of the opening edges 12a, 13a, and 14a of the base members 12, 13, and 14 are set to the first position in which the engaging portions 29 of the recesses 7, 8, and 9 of the first cushion member 10 are engaged, The upper surfaces 15a, 16a, 17a of the second cushion members 15, 16, 17 housed in the hollow portions 11 of the base members 12, 13, 14 are substantially flush with the first cushion member 10, so that the first The cushion member 10 and the second cushion members 15, 16, 17 form a wide range of seat cushions for adults. The term “substantially the same plane” is used to mean that the well-known gentle unevenness of the seat cushion 2 is substantially a plane. At this time, since the skin material 20 has elasticity, the skin material 20 is extended by all or any of the opening edges 12 a, 13 a, 14 a of the base members 12, 13, 14, and the opening edge is formed on the engaging portion 29. Engage with all or any of parts 12a, 13a, 14a.
[0029]
Packable state:
[0030]
If the second cushion members 15, 16, 17 housed in the hollow portions 11 of the base members 12, 13, 14 are detached, the hollow portions 11 can be exposed as shown in FIG. Then, in this state, appropriate articles (for example, the camera 27 and the accessory 28) can be stored. At this time, if the second cushion members 15, 16, 17 are stored in the hollow portions 11 of the base members 12, 13, 14, the second cushion members 15, 16, 17 function as lids for covering the hollow portions 11. Have.
[0031]
Infant seat usage:
[0032]
Next, all or any of the base members 12, 13, 14 and the second cushion members 15, 16, 17 themselves are once separated from the recesses 7, 8, 9 of the first cushion member 10, and the base members 12, 13, , 14 are turned over, and all or any of the recesses 7, 8, 9 of the first cushion member 10 are again turned with the opening edges 12a, 13a, 14a of the base members 12, 13, 14 facing downward. The second position where all or any of the opening edges 12 a, 13 a, 14 a of the base members 12, 13, 14 is engaged with one of the engagement portions 30, 31.
[0033]
At this time, since the skin material 20 has elasticity, the skin material 20 is extended by all or any of the opening edges 12a, 13a, 14a of the base members 12, 13, 14, and the engaging members 30, 31 It engages with any or all of the opening edges 12a, 13a, 14a.
[0034]
By placing all or any of the second cushion members 15, 16, 17 on all or any of the bottom portions 12b, 13b, 14b of the base members 12, 13, 14, the bottom portions 12b, 13b, 14b A female fastener 32 supported on all bottom portions 15b, 16b, 17b of the second cushion members 15, 16, 17 is engaged with and supported by the male fastener 24 supported by all.
[0035]
All or any of the upper surfaces 15a, 16a, 17a of the second cushion members 15, 16, 17 are located at a position higher than the upper surface of the first cushion member 10. In this state, the infant can be an infant seat formed by the adult seat back 3 and the second cushion members 15, 16, 17, and the height of the seat cushion supported by the infant's physique can be varied. it can. In this way, the merchantability can be secured and the cost can be reduced.
[0036]
Since the side walls 21 are formed by the cushion portions 19 and the skin material 20 of the first cushion member 10, the recesses 7, 8, 9 are integrated with the first cushion member 10. There is.
[0037]
Since the bottom wall portion 23 of the recesses 7, 8, 9 is formed by the plate 22 laid on the cushion portion 19 of the first cushion member 10, the number of parts is small and the cost is low. Since the upper portion of the bottom wall portion 23 and the bottom portions 15b, 16b, 17b of the second cushion members 15, 16, 17 are detachable via the base members 12, 13, 14, the concave portions 7, 8, The second cushion members 15, 16, 17 stored in 9 do not come off easily.
[0038]
The opening edges 12a, 13a, 14a of the base members 12, 13, 14 extending outward are engaged with the engaging portions 29, 30 of the side walls 21 of the recesses 7, 8, 9 of the first cushion member 10. , 31 can be freely disengaged from the occupant, so that the buttocks of the seated occupant do not feel uncomfortable, and the second cushion members 15, 16, 17 stored in the recesses 7, 8, 9 do not come off easily.
[0039]
The opening edges 12a, 13a, 14a of the base members 12, 13, 14 can be engaged with any of the plurality of engaging portions 29, 30, 31 formed in the vertical direction. The height with respect to the first cushion member 10 can be adjusted to a plurality of positions. Therefore, the position of the second cushion members 15, 16, 17 on the bottom portions 12b, 13b, 14b of the base members 12, 13, 14 with respect to the first cushion member 10 can be changed as appropriate, so that the size of the infant can be accommodated. That is, it is possible to adjust the relative position between the seat belt and the neck of the infant, and to adjust the outside visibility.
[0040]
In the above embodiment, the seat is described as an automobile seat. However, the present invention is not limited to an automobile seat, and can be applied to all vehicles such as a railway, an aircraft, and a ship.
[0041]
【The invention's effect】
According to the first aspect of the present invention, when the base member is at the first position in the concave portion of the first cushion member, the upper surface of the second cushion member housed in the hollow portion of the base member is the first cushion member. Since the first cushion member and the second cushion member form an approximately wide area seat cushion portion for an adult, and if the second cushion member housed in the hollow portion of the base member is detached, The hollow portion can be exposed, and appropriate articles can be stored. At this time, the second cushion member has a function of a lid for the hollow portion.
[0042]
Next, the base member and the second cushion member themselves are once detached from the concave portion of the first cushion member, and the base member is turned over so as to be stored again in the concave portion of the first cushion member with the opening side of the hollow portion down. In the second position, the second cushion member is placed on the bottom of the base member, so that the upper surface of the second cushion member is at an upper surface position higher than the upper surface of the first cushion member. An infant seat formed by the back and the second cushion member can be provided, and the height of the seat cushion portion for supporting the infant can be varied to ensure commerciality and reduce costs.
[0043]
According to the invention described in claim 2, since the side wall is formed by the cushion member and the skin material of the first cushion member, the recess has a sense of unity with the first cushion member. Since the bottom wall is formed by the plate laid on the cushion member of the first cushion member, the number of parts is small and the cost is low. Since the upper part of the bottom wall of the recess is detachable from the bottom of the second cushion member, the second cushion member stored in the recess is not easily detached.
[0044]
According to the third aspect of the present invention, since the opening edge of the base member can be engaged with the side wall of the recess of the first cushion member, the seated occupant's buttocks do not feel uncomfortable and are stored in the recess. The second cushion member does not come off easily.
[0045]
According to the fourth aspect of the present invention, the opening edge of the base member extending outward is engaged with the side wall of the concave portion of the first cushion member in which the engaging portion is formed. Also, the seated occupant's buttocks are not discomforted, and the first cushion member stored in the recess is not easily detached.
[0046]
According to the fifth aspect of the present invention, since the opening edge of the base member can be engaged with any of the plurality of engaging portions formed in the vertical direction, the height of the base member with respect to the first cushion member can be increased. Adjustable in position. Therefore, since the position of the second cushion member placed on the bottom of the base member with respect to the first cushion member can be changed as appropriate, it can be adapted to the physical size of an infant. That is, it is possible to adjust the relative position between the seat belt and the neck of the infant, and to adjust the outside visibility.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an automobile seat 1 according to an embodiment of the present invention.
FIG. 2 is a sectional view taken along the line SA-SA of FIG. 1;
FIG. 3 is an enlarged sectional view of a main part of FIG. 2;
FIG. 4 is a perspective view showing a state after the second cushion member of FIG. 1 has been moved.
FIG. 5 is an enlarged sectional view of a main part of FIG. 4;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car seat 2 Seat cushion 3 Seat back 4,5,6 Seat 7,8,9 Concave part 10 First cushion member 11 Hollow part 12,13,14 Pedestal parts 12a, 13a, 14a Pedestal opening edge 12b , 13b, 14b Bottom portions 12c, 13c, 14c of the pedestal portion Side wall portions 15, 16, 17 of the pedestal portion Second cushion members 15a, 16a, 17a Upper surface 15b, 16b, 17b of the second cushion member Bottom portion 19 of the second cushion member Cushion part 20 Skin material 21 Side wall part 29, 30, 31 of concave part Engaging part

Claims (5)

In a vehicle seat comprising a seat cushion on which an adult body can be seated and a seat back on which the back of the adult body can lean,
The seat cushion includes a first cushion member capable of holding a thigh of a seated occupant and having a recess formed in a portion corresponding to a buttocks of the seated occupant; A cross-section in which a hollow portion is formed is formed, comprising a pot-like base member, and a second cushion member capable of holding the buttocks of a seated occupant and supporting the base member,
The pedestal member includes a first position where the second cushion member can be stored in and removed from a hollow portion and an upper surface of the second cushion member is substantially flush with the first cushion member; A vehicle seat, which can be appropriately adjusted to a second position which is an upper surface position higher than the upper surface of the first position by being placed. The vehicle seat according to claim 1,
The first cushion member includes a frame placed on a floor member to maintain a shape, a cushion member covering the frame and formed of a foam material, and a skin material covering the cushion member,
The recess includes a side wall formed by the cushion member and the skin material, and a bottom wall formed by a plate laid on the cushion member,
A vehicle seat, wherein an upper portion of a bottom wall portion of the concave portion and a bottom portion of the first cushion member are detachable. The vehicle seat according to claim 1 or claim 2,
A vehicle seat, wherein an opening edge portion of the base member is capable of engaging and disengaging with a side wall portion of a concave portion of the first cushion member. The vehicle seat according to claim 3, wherein:
The opening edge of the base member extends outward,
A vehicle seat, wherein an engagement portion with which an opening edge of the base member can be engaged is formed on a side wall portion of the concave portion of the first cushion member. The vehicle seat according to any one of claims 2 to 4, wherein
A vehicle seat, wherein a plurality of engaging portions of a side wall portion of the concave portion of the first cushion member are formed in a vertical direction.

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