JP2008024114A - Vehicle seat system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To use a soft (large deflection amount) S spring as an S spring tensionedly provided on a seat part of a long seat forming the side wall of a vehicle in a storage state. <P>SOLUTION: The vehicle seat system has the long seat 10 and a rotation seat 20. In the seat part 11 of the long seat 10, a seat part cushion 112 is resiliently supported by the S spring 111, and a lower surface is covered with a hard resin cover 115 having a recess 116 for securing a space for storing the S spring 111 deflected by the weight of a sitting person. A projection corresponding to the recess 116 is formed on the outer surface of the hard resin cover 115, and formed as a step 118 making an upper side edge in the storage state of the seat part 11 function as an arm rest of the sitting person of a rotation seat 20 in a cross seat state. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a vehicle seat system installed in a vehicle such as a railway vehicle or a bus.
For more information,
(A) a long seat having a seat portion for a plurality of persons and a back portion having a width corresponding to the seat portion, the seat portion being foldable to the back side, and provided along a side wall of the vehicle;
(B) having a seat portion and a back portion, provided so as to be rotatable in the horizontal direction around the vicinity of one end portion of the long seat, and the seat portion is opened and set in a use state at the start end of the rotation; The long seat is connected to the long seat and integrated into the long seat state. At the end of rotation, the seat is folded and the storage state is set. A rotating sheet set in a cross-sheet state orthogonal to the direction;
The present invention relates to a vehicle seat system having at least

In Japanese Patent Application Laid-Open No. 2004-034779 (Patent Document 1),
(A) A three-seat long seat (first seat) that has a three-seat seat and a back having a width corresponding to the seat, the seat can be folded back, and is provided along the side wall of the vehicle. Seat)
(B) It has a two-seat seat and a back, and is provided so as to be able to turn in the horizontal direction around the ends of each of the three-seat long seats. The three-seat hanger is set in a long-seat state that is connected to and integrated with the three-seat long-seat that is set in a use state, and the seat portion is folded and set in a retracted state at the end of rotation. Two two-seat rotating seats (part of the second seat) set in a cross seat state orthogonal to the longitudinal direction of the vehicle at a position where the long seat forms the side wall of the vehicle;
(C) a seat with two seats and a back with a width corresponding to the seat, the seat can be folded back, and behind the two two-seat rotating seats on the side walls of the vehicle The seat is folded in the long seat state of the two-seat rotating seat, and the seat is opened in the cross seat state of the two-seat rotating seat. Two-seat long seat (the rest of the second seat),
A vehicle seat group having is described.
JP 2004-034779 A.

In the vehicle seat group of Patent Document 1, the three-seat long seat forms the side wall of the vehicle in the stored state. That is, it forms a side wall adjacent to the seat portion of the two-seat rotating seat set in the cross seat state. Since this side wall is the lower surface of the seat portion of the three-seat long seat, it is flat.
In the vehicle seat group of Patent Document 1, it is possible to provide an armrest on the passage side in the cross seat state of the two-seat rotating seat because the corresponding side is an end portion in the long seat state. However, providing an armrest on the wall side in the cross seat state means that the side is connected to and integrated with the three-seat long seat in the long seat state, As long as it is assumed to be integrated, it is impossible.
As a result, in the vehicle seat group of Patent Document 1, the two-seat rotary seat in the cross seat state does not have an armrest on the wall side.
According to the present invention, an armrest can be configured on the wall side of a rotating seat that is set to a cross seat state at a position where a long seat that is set in a stowed state by folding a seat portion forms a side wall of the vehicle. With the goal.

In the vehicle seat group of Patent Document 1, the lower surface of the seat portion of the three-seater long seat forms a side wall of the vehicle when the three-seater long seat is stored. For this reason, the lower surface of the seat portion is formed flat, and even the S spring stretched in the front-rear direction of the seat portion is hard so that it does not contact the lower surface when bent by the weight of the seated person (the amount of deflection) S spring) is used, and there is a problem that the seating feeling is poor.
An object of the present invention is to make it possible to use a soft (large amount of deflection) S-spring as an S-spring that is stretched around a seat portion of a long seat that forms a side wall of a vehicle in a stored state.

The present invention is configured as the following [1] to [5]. In addition, the code | symbol shown by this term is for understanding easily, and is not the meaning which limits each structure to the structure of a code | symbol.
[1] Configuration 1:
A long seat 10 having a seat portion 11 for multiple persons and a back portion 15 having a width corresponding to the seat portion 11, the seat portion 11 being foldable toward the back portion 15 and provided along the side wall 60 of the vehicle;
It has a seat portion 21 and a back portion 25 and is provided so as to be able to turn in the horizontal direction around the one end portion of the long seat 10 as a rotation center 29. The long seat 10 is set in the long seat state C that is connected to and integrated with the long seat 10 and the seat 11 is folded at the end of the rotation, and the long seat 10 is set in the storage state B. A rotating seat 20 set in a cross seat state D perpendicular to the longitudinal direction of the vehicle at a position forming a wall surface;
Have
The seat portion 11 of the long seat 10 is formed by covering the lower surface with a hard cover 115 having a recess 116 that is recessed toward the lower surface side of the seat portion 10.
A convex portion corresponding to the concave portion 116 is formed on the outer surface of the hard cover 115, and the convex portion functions as an armrest of a seated person of the rotating seat 20 in the cross seat state D with the upper edge portion in the stored state. Formed as a stepped portion 118,
A vehicle seat system.
For example, a hard resin cover can be used as the hard cover 115, but a material other than resin may be used.
[2] Configuration 2:
In configuration 1,
The seat portion of the long seat is formed by elastically supporting a seat cushion by an S spring stretched in the front-rear direction, and the concave portion secures a space for accommodating the S spring bent by the weight of the seated person.
A vehicle seat system.

[3] Configuration 3:
In Configuration 1 or Configuration 2,
The convex portion of the outer surface of the hard cover 115 is formed with the upper edge as the stepped portion 118, and the protrusion amount is gradually reduced as it goes downward.
A vehicle seat system.
[4] Configuration 4:
In any of Configuration 1 to Configuration 3,
The rotary sheets 20 and 20 are arranged on both sides of the long sheet 10, respectively.
A vehicle seat system.
[5] Configuration 5:
In any of Configuration 1 to Configuration 4,
A seat portion 31 and a back portion 35 having a width corresponding to the seat portion 31, the seat portion 31 being foldable toward the back portion 35 side, provided along the side wall 60 of the vehicle behind the rotating seat 20, When the rotating seat 20 is in the long seat state C, the seat 31 is set in the folded storage state E, and when the rotating seat 20 is in the cross seat state D, the seat 30 is set in the opened use state F. Further having
A vehicle seat system.

Configuration 1 has a seat portion for a plurality of persons and a back portion having a width corresponding to the seat portion, the seat portion can be folded back, and a long seat provided along the side wall of the vehicle, It has a back part and is provided so as to be able to turn in the horizontal direction with the vicinity of one end of the long seat as the center of rotation, and is connected to the long seat that is set in a use state by opening the seat at the starting end of the turning. A cross that is orthogonal to the longitudinal direction of the vehicle at a position where the seat is folded and stored in the retracted state at the end of rotation, and the long seat forms the side wall surface of the vehicle. And a seat portion of the long seat is formed by covering a lower surface with a hard cover having a recess recessed toward the lower surface side of the seat portion, and on an outer surface of the hard cover. Is formed with a convex portion corresponding to the concave portion. Is a vehicle seat system in which the upper edge in the stowed state is formed as a stepped portion that functions as an armrest for a seated person of the rotating seat in the cross seat state, so that the wall side of the rotating seat in the cross seat state Can be configured with armrests.
According to Configuration 2, in the configuration 1, the seat portion of the long seat is formed by elastically supporting a seat cushion with an S spring stretched in the front-rear direction, and the recess is bent by the weight of the seated person. Since the vehicle seat system secures a space for accommodating the spring, a soft (large amount of deflection) S-spring can be used as the S-spring stretched on the seat.

Configuration 3 is that in Configuration 1 or Configuration 2, the convex portion of the outer surface of the hard cover is formed with the upper edge as the stepped portion, and the protruding amount is gradually reduced as it goes downward. In addition to the effects of the configuration 1, the seat seat for the rotating seat in the cross seat state has an armrest even though the seat system for the vehicle can secure a space below the armrest. There is an effect that the seat surface can be widely used.
Since the configuration 4 is a vehicle seat system in which the rotating seat is arranged on both sides of the long seat in any of the configurations 1 to 3, in addition to the effects of the configurations 1 and 2, Further, there is an effect that two rotating sheets in a cross sheet state can be opposed to each other. That is, there is an effect that a cross sheet in a state of being opposed to each other can be configured.
Configuration 5 includes a seat portion and a back portion having a width corresponding to the seat portion in any one of Configurations 1 to 4, and the seat portion can be folded to the back side. The rear seat is set in a retracted state in which the seat is folded in the long seat state of the rotating seat, and is set in a use state in which the seat portion is opened in the cross seat state of the rotating seat. In addition to the effects of the first to third aspects, the vehicle seat system further includes an effect that can secure a seat equivalent to the long-seat rotating seat even when the rotating seat is set to the cross seat state. There is.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a top view showing the transition of the setting state of each sheet (long sheet 10, rotating sheet 20, and rear sheet 30) constituting the sheet system of the embodiment. (A) is the long sheet 10 in the use state A and the rotating sheet 20 is in the long sheet state C and the back sheet 30 is in the stored state E, (b) is the long sheet 10 in the stored state B and the rotating sheet 20 is the long sheet. In the state C and the back sheet 30 is in the storage state E, (c) is the long sheet 10 in the storage state B, the rotating sheet 20 is in the cross sheet state D and the back sheet 30 is in the storage state E, (d) is the long sheet 10 Indicates the storage state B, the rotating sheet 20 is in the cross sheet state D, and the back sheet 30 is in the use state F.

  As shown in the figure, the long seat 10 is arranged in the center of the seat system, and has a seat portion 11 for three people and a width corresponding to the seat portion 11 for three people (= width for three seats). It has a back portion 15 and is provided along a side wall 60 of the vehicle. The seat 11 can be folded toward the back 15 side. 2A shows a state where the seat portion 11 is opened, and FIG. 2B shows a state where the seat portion 11 is folded. Since the mechanism for attaching the long sheet 10 to the side wall 60 is well known, description thereof is omitted. Further, a mechanism for folding the seat portion 11 of the long seat 10 to the back portion 15 side is also well known, and an example thereof is described in paragraphs 0026 to 0039 of Patent Document 1 (Japanese Patent Laid-Open No. 2004-034779), for example. Since it has been described in detail with reference to FIGS. 4 to 8, description thereof is omitted here. 4 to 5 of the publication are the same as FIGS. 2A to 2B of the present specification except for the reference numerals. If necessary, the above-described portions may be incorporated in the present specification by appropriately changing the reference characters and names to match the reference characters and names used in the present specification.

  As shown in FIG. 4, the seat 11 of the long seat 10 supports a seat cushion 112 between a leading edge pipe 110a and a trailing edge pipe 110b, which are components of the seat frame 110 that supports the seat 11. A plurality of S springs 111 are stretched in parallel. The number of S springs 111 is, for example, three in one section (section for one seated person), but is not limited to three. Two or less may be sufficient and four or more may be sufficient. Also, the S springs 111 are not arranged in units of sections, for example, the S springs 111 are arranged at the boundaries of the sections, or the arrangement intervals of the S springs 111 are made different between the same section and the section that spans the sections. May be arranged appropriately.

  Since FIG. 4 shows the storage state in which the seat portion 11 is folded, the S spring 111 forms a straight line between the leading edge pipe 110a and the trailing edge pipe 110b as indicated by a solid line. However, when a seated person is present when the seat portion 11 is opened and used, the S spring 111 bends downward due to its weight. FIG. 4 shows a state where the S spring 111 is bent by a two-dot chain line.

  In the long sheet 10 of the present seat system, even if the S spring 111 is bent downward as described above, the hard resin cover 115 is sufficient to prevent contact with the hard resin cover 115 that covers the lower surface of the seat portion 11. A recess 116 having a depth is formed. That is, the recessed part 116 for ensuring the space which accommodates the S spring 111 bent by the weight of a seated person is formed. Moreover, since the recessed part 116 of sufficient depth is formed, as the S spring 111, the comfortable S spring 111 which has sufficient deflection amount can be used. Thus, in the long sheet 10 of the present sheet system, since the concave portion 116 is formed in the hard resin cover 115, there is a convex portion corresponding to the concave portion 116 on the outer surface side of the hard resin cover 115. Become.

  Further, in the long seat 10 of the present seat system, the convex portion on the outer surface side corresponding to the concave portion 116 has an upper edge portion (= use) on the side that is in the upper position in the storage state B of the seat portion 11. A step portion 118 is formed so as to protrude along the front edge portion in the state A. The position of the step portion 118 is set to a height suitable for use as an armrest of a seated person of the rotating seat 20 set in the cross seat state D.

  Further, in the long sheet 10 of the present seat system, the protruding amount of the convex portion on the outer surface side corresponding to the concave portion 116 is formed so that the protruding height gradually decreases as it goes downward from the step portion 118. . Therefore, the seated person of the rotating seat 20 set in the cross seat state D can use the step portion 118 as an armrest on the vehicle wall side, and the leg portion is not hindered despite the presence of the armrest. , Can be seated on the seat 21. Since the armrest 28 located at the end of the long seat in the long seat state C exists on the passage side in the cross seat state D, the armrest 28 can also be used by a seated person on the passage side.

  The rotating sheet 20 is provided on each side of the long sheet 10. That is, a total of two sets are provided. Each rotary seat 20 has a seat portion 21 for two seats and a back portion 25 having a width corresponding to the seat portion 21 (= width for seating two people), and one end portion (right end portion / left end portion) of the long seat 10. ) The rotary shaft 29 (see FIG. 3) provided in the vicinity is provided so as to be rotatable in a horizontal plane with the rotation center. At the beginning of this rotation, each rotating sheet 20 is in the long sheet state C (see FIGS. 1A and 1B). That is, it is in a state where it is continuously provided and integrated with the long seat 10 set in the use state A (= the state in which the seat 11 is opened). On the other hand, at the end of the rotation rotated 90 ° from the start end of the rotation, each rotating sheet 20 is in the cross-sheet state D (see FIGS. 1C and 1D). That is, the position where the lower surface (= the surface of the hard resin cover 115) of the long seat 10 set in the storage state B (= the seat 11 is folded) is configured as the side wall surface of the vehicle. In this state, it is in the cross sheet state D. Here, the cross seat state D is a seat state in which the left-right direction of the rotating seat 20 is set in a direction orthogonal to the longitudinal direction of the vehicle (the left-right direction in FIG. 1). A mechanism for rotating the rotating sheet 20 in the forward and reverse directions by 90 ° is well known. An example of the mechanism is described in paragraphs 0040 to 0052 of the above-mentioned Patent Document 1 (Japanese Patent Laid-Open No. 2004-034779), and FIGS. Since it has been described in detail with reference to FIG. 11, a description thereof is omitted here. If necessary, those portions may be incorporated in the present specification by appropriately changing the reference characters and names to match the reference characters and names used in the present specification.

  The back sheet 30 is provided behind each of the rotating sheets 20. That is, a total of two sets are provided. Each rear seat 30 has a seat portion 31 for two seats and a back portion 35 having a width corresponding to the seat portion 31 (= width for seating two people), behind the rotating seat 20 in the long seat state C. It is provided along the side wall 60 of the vehicle. Each rear seat 30 can fold the seat portion 31 toward the back portion 35. In the corresponding long seat state C of the rotating seat 20, the seat portion 31 is set to the folded storage state E (see FIG. 1A). On the other hand, in the corresponding cross seat state D of the rotating seat 20, the seat portion 31 can be set to the open use state F (see FIG. 1D). Since the mechanism for attaching the back sheet 30 to the side wall 60 is well known in the same manner as the long sheet 10, the description thereof is omitted. Further, a mechanism for folding the seat portion 31 of the back seat 30 to the back portion 35 side is also well known as in the case of the long seat 10, and an example thereof is, for example, paragraphs 0026 to of Patent Document 1 (Japanese Patent Laid-Open No. 2004-034779). Since it has been described in detail with reference to FIGS. 4 to 8 of the publication, description thereof is omitted here. If necessary, the above-described portions may be incorporated in the present specification by appropriately changing the reference characters and names to match the reference characters and names used in the present specification.

In the above description, the railway vehicle is described. However, the seat system of the present invention is not limited to the railway vehicle, and can be installed in a bus, a ship, and the like.
Moreover, although the case where the hard cover is the resin-made hard resin cover 115 is described above, a material other than resin may be used.
In the above description, the configuration in which the S spring 111 is disposed in the seat portion 11 has been described. However, among the configurations 1 and 3 to 5, the configurations 1 to 5 are cited. As far as the embodiment is concerned, the S spring 111 is not essential. Further, another member may be accommodated in the recess 116.

The top view of the sheet system of an embodiment. (A) The long sheet 10 is in use and the rotating sheet 20 is in the long sheet state and the back sheet 30 is stored, (b) is the long sheet 10 in the stored state and the rotating sheet 20 is in the long sheet state and the back The sheet 30 is in the retracted state, (c) is the long sheet 10 in the retracted state and the rotating sheet 20 is in the cross seat state and the back sheet 30 is in the retracted state, and (d) is the long sheet 10 in the retracted state and the rotating sheet 20 is in the retracted state. The back sheet 30 is in a use state in the cross sheet state. A side view (a) of the long sheet 10 of the embodiment of the seat system seen through the rotating sheet 20 from the direction a in FIG. 1 (a), and a perspective view of the rotating sheet 20 from the direction b. Viewed side view (b). The top view (a) of the seat system of an embodiment, and the front view (b) seen from the passage side. In both figures, the long sheet 10 is in the housed state, the rotating sheet 20 is in the cross seat state, and the back sheet 30 is in the used state. FIG. 4 is a cross-sectional view of a main part in which an S spring 111 is clearly shown as viewed from the direction c in FIG. The perspective view of embodiment. The long sheet 10 is stored, the rotating sheet 20 is in a cross sheet state, and the back sheet 30 is in use.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Long seat 11 Seat part 110 Seat part frame 110a Front edge pipe 110b Rear edge pipe 111 S Spring 112 Seat part cushion 115 Hard resin cover 116 Recessed part 118 Step part 15 Back part 20 Rotating seat 21 Seat part 25 Back part 28 Armrest 29 Rotating shaft 290 Rotating base 30 Back seat 31 Seat 35 Back 40 Leg base 45 Rotating support base 60 Side wall A of vehicle Long seat usage state B Long seat storage state C Rotating seat long seat state D Rotating seat cross seat state E Back seat Storage state F Back seat usage

Claims (5)

A long seat that has a seat portion of a plurality of seats and a back portion having a width corresponding to the seat portion, the seat portion can be folded to the back side, and is provided along a side wall of the vehicle;
The long seat has a seat portion and a back portion, is provided so as to be rotatable in a horizontal direction around the vicinity of one end portion of the long seat, and the seat portion is opened and set in a use state at the starting end of the rotation. The long seat is set in a continuous and integrated long seat state, and at the end of rotation, the seat is folded and set in the stowed state. A rotating sheet set in an orthogonal cross-sheet state;
Have
The seat portion of the long seat is formed by covering the lower surface with a hard cover provided with a recess that is recessed toward the lower surface side of the seat portion,
A convex portion corresponding to the concave portion is formed on the outer surface of the hard cover, and the convex portion serves as a step portion that functions as an armrest of a seated person of the rotating seat in the cross seat state with the upper edge portion in the retracted state. Formed,
A vehicle seat system. In claim 1,
The seat portion of the long seat is formed by elastically supporting a seat cushion by an S spring stretched in the front-rear direction, and the concave portion secures a space for accommodating the S spring bent by the weight of the seated person.
A vehicle seat system. In claim 1 or claim 2,
The convex portion of the outer surface of the hard cover is formed with the upper edge as the stepped portion, and the protrusion amount is gradually reduced as it goes downward.
A vehicle seat system. In any one of Claims 1-3,
The rotating sheet is arranged on both sides of the long sheet,
A vehicle seat system. In any one of Claims 1-4,
A seat portion and a back portion having a width corresponding to the seat portion, the seat portion being foldable to the back side, provided along the side wall of the vehicle behind the rotating seat, and in a long seat state of the rotating seat The seat is set in the folded storage state, and further has a back seat set in the use state in which the seat is opened in the cross seat state of the rotating seat.
A vehicle seat system.

Images