JP6130166B2 - Vehicle seat - Google Patents

Description

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

  As a seat mounted on a conventional vehicle, for example, an automobile, a seat back is rotatable in a horizontal direction between a use position and a storage position by a vertical axis hinge, and is engaged with a locking plate of a seat cushion moved to the use position. By inserting the stop pin, it can be held at that position (see, for example, Patent Document 1).

JP 2002-0676759 A

  However, in such a conventional technology seat, since the seat is cantilevered, there is a possibility that the vertical axis hinge may be bent by a careless load such as a child hanging on the seat.

  The present invention has been made paying attention to such a conventional technique, and provides a vehicle seat in which the vertical axis hinge does not bend even if a large load is applied to the seat such as a child hanging down. Is.

The invention according to claim 1 extends in the left-right direction at the use position of the seat and extends in the front-rear direction at the retracted position of the seat around a vertical axis hinge disposed at a position close to the side wall of the vehicle. A base frame rotatably supported in a substantially horizontal direction, a seat back supported on the base frame, and a seat supported so that the front side can be flipped up with respect to the seat back A vehicle seat comprising a cushion and moves on the vehicle floor to the position of the base frame opposite to the side of the base frame where the vertical axis hinge is disposed. can have a rear leg Naru, the hind leg has a rotatable Naru wheels on the floor, the first lever holding the upper portion and the base frame holds the wheel in the lower end portion, said seat back A second lever whose upper end is pivotally supported by the seat cushion so as to be rotatable up and down, and a third lever that is pivotally supported at the lower end of the second lever and at a substantially middle position of the first lever. characterized by Rukoto such is more configuration as the third is supported on the lever and Naru freely disengaged with the striker which is supported on the floor latch.

The invention according to claim 2 extends in the left-right direction at the use position of the seat, and extends in the front-rear direction at the retracted position of the seat around a vertical axis hinge disposed at a position close to the side wall of the vehicle. A base frame rotatably supported in a substantially horizontal direction, a seat back supported on the base frame, and a seat supported so that the front side can be flipped up with respect to the seat back A vehicle seat comprising a cushion and moves on the vehicle floor to the position of the base frame opposite to the side of the base frame where the vertical axis hinge is disposed. A rear leg portion which is capable of being engaged with a wheel which is rotatable on the floor and a striker supported on the floor at a use position of the seat cushion; Characterized in that it comprises a latch you move to the disengaged position with the splashed from the use position of the cushions.

  According to the first aspect of the present invention, the rear leg is movable on the floor of the vehicle to the position of the base frame on the opposite side to the arrangement position side of the base frame where the vertical axis hinge is arranged. Even if a large load is inadvertently applied to the seat, such as when a child hangs down, the vertical leg hinge is bent by being supported by the rear leg portion interposed between the seat and the floor. It has the effect that there is nothing.

Further, according to the first aspect of the invention, the rear legs, a rotatable Naru wheels on the floor, the first lever holding the upper portion and the base frame holds the wheel in the lower end portion A second lever having an upper end pivotally supported on the seat back or the seat cushion and a lower end of the second lever and a substantially intermediate position between the first lever and the second lever. Since the third lever and the latch that is supported by the third lever and that can be freely engaged and disengaged from the striker supported by the floor, an inadvertent load applied to the seat is caused by the first lever and Since it can be appropriately distributed to the floor via the wheel and to the floor via the second lever, latch and striker, there is an effect that the vertical axis hinge is not bent.

It is a perspective view of the vehicle seat of the use position which concerns on one Embodiment of this invention. It is a perspective view of the vehicle seat which shows the state which flipped up the front side of the seat cushion of FIG. FIG. 3 is a perspective view of a vehicle seat showing a state in which the seat cushion and the seat back of FIG. 2 are moved to a storage position around a vertical axis hinge. It is a perspective view which shows the state which removed the cover from the seat cushion of FIG. It is a side view from the arrow A direction of FIG. FIG. 6 is a side view of a vehicle seat showing a state in which the seat back of FIG. 5 is moved to a standing position and the front side of the seat cushion is flipped up. It is an expansion perspective view from the arrow B direction of FIG.

  The purpose of providing a vehicle seat in which the vertical axis hinge does not bend even when a large load is applied to the seat, such as when a child is hanging, has been realized by the following configuration. That is, a substantially horizontal direction that extends in the left-right direction at the use position of the seat and extends in the front-rear direction at the retracted position of the seat around the vertical axis hinge disposed at a position close to the side wall of the vehicle. And a base frame supported by the seat back, a seat back supported on the base frame, and a front side supported by the seat back so that it can be flipped up. A vehicle seat comprising a seat cushion and a base frame on the opposite side of the base frame on which the vertical axis hinge is disposed on the vehicle floor. This is realized by having a rear leg portion that can be moved.

  Hereinafter, a vehicle seat 1 according to an embodiment of the present invention will be described with reference to FIGS. A vehicle according to an embodiment of the present invention, for example, an automobile seat 1, seats around a bolt 16 that is a “vertical hinge” disposed on a frame 21 at a position close to a side wall 7 of a vehicle body 5 of the vehicle. 1 in the left-right direction at the use position (see FIGS. 1 and 4), that is, the indoor side IN and the outdoor side OUT, and in the retracted position of the seat 1 (see FIG. 3) in the front-rear direction, that is, the front FR and the rear A base frame 18 rotatably supported in a substantially horizontal direction so as to extend to the side RR, a seat back 3 supported on the base frame 18 via arms 26 and 28, and the seat A seat cushion 2 that is supported so that the front FR can be flipped up with respect to the back 3, a headrest 4 that is supported by the seat back 3 so as to be movable up and down, and a front and rear leg that is disposed on the front FR of the seat cushion 2. It consists of parts 8 and 9. The bolt 16 in FIG. 3 is depicted as floating in the air, but actually, as shown in FIG. 4, the bolt 16 is rotatably supported by the base frame 18 via the stopper bracket 19. This is shown in order to make it easy to understand that the seat 1 has rotated around the center 16.

  The seat back 3 is rotatable in a substantially horizontal direction around a bolt 16 that is a “vertical axis hinge” supported substantially vertically by a frame 21 disposed at a position close to the side wall 7 of the vehicle body 5. It is provided.

  The rear leg portion 9 is provided at a position of the base frame on which the bolt 16 is disposed, that is, at a position of the base frame 18 on the indoor IN side, which is the opposite side of the side close to the side wall 7. The vehicle body 5 can be moved on the floor 6. In more detail, the rear leg portion 9 will be described. A columnar wheel 9f that can rotate on the floor 6, a wheel 9f that is rotatably held by a pin 9g at a lower end portion, and an upper end on the base frame 18 The first lever 9a arranged substantially vertically by welding and holding the portion, the seat back 3 or the seat cushion 2, more specifically, the arm 28 via the bracket 33 and the upper end portion by the pin 33a. A second lever 9b pivotally supported in a vertically rotatable manner, and a third lever 9c pivotally supported in a vertically rotatable manner by pins 9d and 9e at a lower end portion of the second lever 9b and a substantially intermediate position in the vertical direction of the first lever 9a. Engaging with the striker 11 supported by the third lever 9c by the fixing portions 10a, 10a and supported by the brackets 11a, 11a in the recessed portion 6a of the floor 6. Formed by more configuration and removably Naru latch 10. Reference numeral 9h denotes a bracket that is supported by a connecting portion by a pin 9d between the first lever 9a and the third lever 9c.

  When the front leg 8 can be placed on the floor 6 of the vehicle body 5 at the “use position” shown in FIG. 1 of the seat cushion 2 and the front FR of the seat cushion 2 is flipped up, FIG. As shown, the position may be maintained as it is, or it may be folded to a position that becomes the lower LWR of the “use position” of the seat cushion 2. The rear leg portion 9 is on the floor 6 even when the wheel 9f that can always roll on the floor 6 is in the “storing position” of the seat cushion 2 shown in FIG.

  The vehicle seat 1 is a seat that is mounted on a vehicle of a type that is commonly used in a large room in which a luggage compartment and a passenger compartment called a one-box type are used in common, and is arranged on the front side. It may be a seat arranged in a car, a driver seat or a passenger seat. Moreover, although the seat arranged on the right side in the traveling direction of the automobile is described as an example, a seat arranged in a symmetrical position may be used.

  The side wall 7 may be an inner panel made of an iron plate or an interior material made of a synthetic resin, and means that covers an outer plate (not shown) from the room. The latch 10 and the striker 11 are automatically engaged when the latch 10 rotates counterclockwise after the state shown in FIG. Such a latch 10 is well known and will not be described. In order to release the engagement between the latch 10 and the striker 11, there is a lock-off device.

  Reference numerals 8b shown in FIG. 4 and subsequent figures are both side portions of the front member 8. The upper ends of the side portions 8b and 8b are rotatably supported by pins (not shown). A second striker 12 is provided on the side wall 7, and a lock 13 disposed on the side wall 7 side of the front side FR of the seat cushion 2 is supported so as to be freely disengaged. Reference numerals 14 and 15 denote windows and armrests formed on the side wall 7. The second striker 12 is supported by welding on the side wall 7 via a bracket 12a having an L-shaped cross section.

  The seat cushion 2 includes a first frame 2a made of a pipe having a U-shape when viewed from above, a linear second frame 2b disposed on the rear side RR of the first frame 2a, and the first It consists of S-shaped springs 2c and 2c constructed between the frame 2a and the second frame 2b. As shown in FIG. 4, a first buckle 31 and a second buckle 32 are arranged on the side of the first frame 2a, and are connected to the bracket 34 by belts 31a and 32a.

  The seat back 3 can move up and down a stay (not shown) of a first frame 3a composed of a pipe having a closed loop shape when viewed from the front side FR to the rear side RR, and a headrest 4 arranged on the upper side UP of the first frame 3a. A headrest holder 4a that can be stopped at an appropriate position and can be held at that position, a reinforcing member 4b that holds the headrest holder 4a to the first frame 3a, and first and second left and right sides of the first frame 3a. 1 and second arms 3c and 3d.

  The reference numeral 16 in FIG. 4 and subsequent figures is “vertical hinge” which is disposed substantially perpendicular to the frame 21 at a position close to the side wall 7 and is supported by the frame 21 via a base frame 18 which will be described later by a nut (not shown). Is the bolt. With the bolt 16 as a center, the base frame 18 extends substantially horizontally in the left-right direction which is the side wall 7 side, that is, the outer side OUT in the left-right direction and the left-right center side IN at the “use position” shown in FIGS. 3 is pivotally supported so as to be substantially horizontally rotatable at a “storage position” shown in FIG. 3 so as to extend substantially horizontally in the front-rear directions FR and RR. Here, the term “abbreviated” means that both the base frame 18 and the bolt 16 are supported with a slight inclination and the bolt 16 is supported with a slight inclination. I mean. The base frame 18 has a hollow square cross section and is made of an iron plate.

  A reference numeral 19 shown in FIGS. 4 to 7 is a stopper bracket formed in a U-shaped cross section so as to surround three sides of the base frame 18, and is supported by the bolt 16 so as to be rotatable in a substantially horizontal direction. Become. The meaning of the word “abbreviation” here has the same meaning as described in paragraph 0021. The stopper pin 20 provided on the front side FR of the stopper bracket 19 is engaged with the front surface of the base frame 18 when the automobile seat 1 is in the “use position” shown in FIG.

  The first frame 2a of the seat cushion 2 is connected to the base frame 18 via an arm 28 and is pivotally supported by a fifth pin 29 so as to be rotatable up and down. To be energized. The seat back 3 is supported by an end portion 18a of the base frame 18 on the vehicle outer side OUT via a reclining device 17 that can be rotated in the front-rear directions FR and RR.

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

  Rear legs capable of moving on the floor 6 of the vehicle to the position of the base frame 18 on the opposite side to the position close to the side wall 7 where the base frame 18 is disposed where the bolts 16 are disposed. Since it has the portion 9, even if a large load is inadvertently applied to the seat 1 such as a child hanging down, the load can be supported by the rear leg portion 9 interposed between the seat 1 and the floor 6. There is an effect that the bolt 16 is not bent.

  The rear leg portion 9 includes a wheel 9f that can rotate on the floor 6, a first lever 9a that holds the wheel 9f at a lower end portion and holds an upper end portion at the base frame 18, and the seat back 3 or A second lever 9b whose upper end is pivotally supported by the seat cushion 2 so as to be vertically rotatable, and a second lever 9b pivotally supported by the lower end of the second lever 9b and a substantially intermediate position of the first lever 9a. Since there are three levers 9c and a latch 10 supported by the third lever 9c and detachable from the striker 11 supported by the floor 6, an inadvertent load applied to the seat 1 is generated. The bolt 16 can be bent as appropriate to the floor 6 via the first lever 9a and the wheel 9f and to the floor 6 via the second lever 9b, the latch 10 and the striker 11. No, it has the effect that.

  Since the seat back 3 and the seat cushion 2 that is flipped up are stored along the side wall 7 of the vehicle, the bolt 16 that is a “vertical hinge” disposed at the storage position close to the side wall 7 of the vehicle is stored. As for the position of the inner surface of the side wall 7, the left and right OUT and IN width dimensions are not reduced, and the comfortability at the use position of the seat 1 can be improved. Moreover, since the seat back 3 can be operated at an appropriate inclination angle by the reclining device 17, the comfortability at the use position can be improved.

  In the above embodiment, the vehicle seat 1 has been described as an example of the vehicle seat, but the seat is not limited to this, and may be a seat mounted on an aircraft, a railway vehicle, a ship, or the like.

DESCRIPTION OF SYMBOLS 1 Car seat as "vehicle" 2 Seat cushion 3 Seat back 9 Rear leg 9a 1st lever 9b 2nd lever 9c 3rd lever 9f Wheel 10 Latch 11 Strike 16 Bolt (vertical axis hinge)
18 Base frame FR Front side RR Rear side UP Upper LWR Lower

Claims (2)

Rotate in a substantially horizontal direction so that it extends in the left-right direction at the use position of the seat and extends in the front-rear direction at the retracted position of the seat, with a vertical hinge arranged near the side wall of the vehicle. A vehicle comprising a base frame that is freely pivotally supported, a seat back that is supported on the base frame, and a seat cushion that is supported so that the front side can be flipped up with respect to the seat back. A seat,
The position of the base frame of the left and right opposite to the arrangement position side of said base frame being distribution of the longitudinal axis hinge, have a rear leg Naru movable on the vehicle floor,
The rear leg includes a wheel that can rotate on the floor, a first lever that holds the wheel at a lower end and holds an upper end at the base frame, and an upper end at the seat back or the seat cushion. A second lever that is pivotally supported in a vertically rotatable manner, a third lever that is pivotally supported in a vertically rotatable manner at a lower end portion of the second lever and a substantially intermediate position of the first lever, and a third lever that is supported by the third lever. and vehicle seat, characterized in further configured such Rukoto an engaging detachably Naru latch the striker and supported by the floor. Rotate in a substantially horizontal direction so that it extends in the left-right direction at the use position of the seat and extends in the front-rear direction at the retracted position of the seat, with a vertical hinge arranged near the side wall of the vehicle. A vehicle comprising a base frame that is freely pivotally supported, a seat back that is supported on the base frame, and a seat cushion that is supported so that the front side can be flipped up with respect to the seat back. A seat,
The position of the base frame of the left and right opposite to the arrangement position side of said base frame being distribution of the longitudinal axis hinge, have a rear leg Naru movable on the vehicle floor,
The rear leg is
Wheels capable of rotating on the floor;
A latch that is in an engagement position at the use position of the seat cushion with respect to the striker supported on the floor, and moves to a disengagement position when the seat cushion is flipped up from the use position;
A vehicle seat characterized by comprising:

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