JP2011162125A - Vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a vehicle seat allowing a seat back to be smoothly rotated in a vehicle width direction. <P>SOLUTION: The seat back 30B can be put down forward to a seat cushion 30A around a shank 42 of a bracket 34 and a shank 46 of an upper bracket 44. Retainers 40 and 50 are disposed on an outer end portion 31A and an inner end portion 31B of the seat back 30B, respectively. Each of the retainers 40 and 50 includes a sidewall 52, and a mounting section 54 attached to a back surface section 31C of the seat back 30B. A shank 56A of a pin 56 is extended through a curved portion 52C of the sidewall 52 and a curved portion 54B of the mounting section 54. The outer end portion 31A of the seat back 30B is separated from the sidewall 52 close to a vehicle body by removing the pin 56 of the retainer 40. The outer end portion 31A of the seat back 30B is folded up by rotating the seat back 30B around the shank 56A of the inner end portion 31B of the seat back 30B. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle seat.

  In Patent Document 1 below, the seat back (back portion) is fully tilted to the rear of the vehicle so as to be in a fully flat state, and then the seat back is separated from the seat cushion (seat portion) and is lifted upward to lift the seat from the seat cushion. A structure for removing the bag is disclosed.

Japanese Utility Model Publication No. 3-77724 (for example, FIG. 4)

  However, according to the above-mentioned Patent Document 1, the seat back is separated from the seat cushion in a state where the seat back is fully tilted to the rear of the vehicle, and is lifted upward. Therefore, in a vehicle having a small space behind the seat, the rear suspension member is rearward of the seat. There is a room for improvement because it is difficult to lift the seat back upward, such as the vehicle body panel covering the interior and the protrusion of the interior material toward the interior of the cargo compartment, so that the seat back cannot be fully tilted to the rear of the vehicle.

  In view of the above facts, an object of the present invention is to obtain a vehicle seat capable of smoothly rotating a seat back in the vehicle width direction.

  A vehicle seat according to a first aspect of the present invention is a seat cushion on which a passenger can be seated, and is erected at a rear end portion of the seat cushion in the vehicle front-rear direction and divided in the vehicle width direction, and the seat cushion side The seat back is configured to be able to be moved forward, and is provided at one end of the seat back in the vehicle width direction, and the seat back is moved in the vehicle width direction from the state where the seat back is moved forward until it overlaps the seat cushion. Rotating means for pivotally supporting, and separating means provided at the other end of the seat back in the vehicle width direction and detachably connected to the vehicle body side.

  According to a second aspect of the present invention, in the vehicle seat according to the first aspect, both the rotating means and the separating means are provided at both ends of the seat back in the vehicle width direction, and the seat back in the vehicle width direction. The rotation direction is configured to be selectable.

  According to a third aspect of the present invention, there is provided a vehicle seat according to the second aspect, wherein the seat back is attached to both ends of the vehicle in the vehicle width direction, the retainer disposed across the vehicle body, and the connecting portion provided on the retainer. A pin that can be mounted, and the seat back rotates around the pin with the pin mounted, and the seat back is separated from the vehicle body side by removing the pin. It is said that.

  According to the first aspect of the present invention, the seat back divided in the vehicle width direction is erected at the rear end of the seat cushion in the vehicle front-rear direction, and the seat cushion is moved forward until the divided seat back overlaps the seat cushion. Is done. Separating means is provided at the other end of the seat back in the vehicle width direction, and the seat back is separated from the vehicle body side by the separating means. Then, the seat back is rotated in the vehicle width direction from a state where the seat back is tilted forward until the seat back overlaps the seat cushion by the rotating means provided at one end of the seat back in the vehicle width direction. That is, the other end of the seat back in the vehicle width direction is flipped upward in the state where the seat back is tilted forward, so that the seat back can be smoothly lifted upward even in a vehicle having a small space behind the vehicle seat. be able to. Moreover, the vehicle upper side of the seat cushion can be used as an article loading space in a state where the seat back is flipped upward.

  According to the second aspect of the present invention, both the rotation means and the separation means are provided at both ends of the seat back in the vehicle width direction, and the rotation direction of the seat back in the vehicle width direction can be selected. is there. As a result, either one of the end portions of the seat back in the vehicle width direction can be selected and jumped up the vehicle.

  According to the third aspect of the present invention, the retainer is disposed across the both ends of the seat back in the vehicle width direction and the vehicle body, and the pin is detachably attached to the connecting portion provided in the retainer. Remove one of the pins at both ends of the back in the vehicle width direction. As a result, the seat back is separated from the vehicle body side at the end of the seat back in the vehicle width direction where the pin is removed, and the seat is centered on the pin at the end of the seat back where the pin is mounted in the vehicle width direction. The back rotates. For this reason, the vehicle width direction end portion of the seat back can be rotated around the pin, or the end portion of the seat back in the vehicle width direction can be separated from the vehicle body side by a simple configuration of attaching and detaching the pin. Can do.

  As described above, the vehicle seat according to the first aspect of the present invention has an excellent effect that the seat back can be smoothly rotated in the vehicle width direction.

  The vehicle seat according to the second aspect of the present invention has an excellent effect that one of the end portions of the seat back in the vehicle width direction can be selected and the vehicle seat can be flipped upward.

  The vehicle seat according to the third aspect of the present invention has an excellent effect that, with a simple configuration, either one of the end portions of the seat back in the vehicle width direction can be selected and jumped upward.

It is a side view which shows the process of mounting a bicycle on the vehicle provided with the vehicle seat which concerns on one Embodiment. 1 is a perspective view illustrating an overall configuration of a vehicle seat according to an embodiment. It is a disassembled perspective view which shows the retainer used for the vehicle seat which concerns on one Embodiment. It is a perspective view which shows the process in which the outer side edge part of the vehicle width direction of the seat back used for the vehicle seat which concerns on one Embodiment is flipped upwards of a vehicle. It is a side view which shows the process of mounting a bicycle on the vehicle provided with the vehicle seat which concerns on a comparative example.

  Hereinafter, an embodiment of a vehicle seat according to the present invention will be described with reference to FIGS. In these drawings, an arrow FR appropriately shown indicates the vehicle front side, an arrow UP indicates the vehicle upper side, and an arrow OUT indicates the vehicle width direction outer side.

  FIG. 1 is a side view of a vehicle provided with a vehicle seat according to the present embodiment, and FIG. 2 shows an overall configuration of the vehicle seat according to the present embodiment as viewed from the vehicle rear side. It is shown in a perspective view.

  As shown in FIG. 1, a front door opening 12 and a rear door opening 14 are formed on the side of the body body 11 of the vehicle 10. A front side door 16 is attached to the front door opening 12 by a hinge on the front side of the vehicle (not shown), and a rear side door 18 can be opened and closed on the rear door opening 14 by a hinge on the front side of the vehicle (not shown). Installed on. A rear bumper 20 extends along the vehicle width direction at the lower rear end of the body body 11 of the vehicle 10, and a back door opening 22 is formed on the vehicle upper side of the rear bumper 20. A back door 24 is attached to the back door opening 22 so as to be openable and closable by a hinge (not shown) provided at the upper rear end of the body main body 11.

  Inside the body body 11, a vehicle compartment 26 is provided at a position communicating with the front door opening 12 and the rear door opening 14, and at a position communicating with the back door opening 22 on the vehicle rear side of the vehicle compartment 26. A luggage compartment 27 is provided.

  A front seat 28 is disposed at a position facing the front door opening 12 of the passenger compartment 26, and a rear seat 30 is disposed at a position facing the rear door opening 14 of the passenger compartment 26. The front seat 28 is a seat cushion 28A that supports the buttocks and thighs of a seated occupant, and a seat that is provided along the vertical direction at the rear end in the vehicle longitudinal direction of the seat cushion 28A and supports the back of the occupant. And a back 28B. Similarly, the rear seat 30 includes a seat cushion 30A and a seat back 30B at the rear end in the vehicle front-rear direction.

  As shown in FIG. 2, the rear seat 30 includes a cylindrical seat cushion frame 32 that extends along the vehicle width direction at the lower end of the vehicle in the vertical direction. The seat cushion frame 32 is provided across the seat backs 30 </ b> B and 30 </ b> C divided into two in the vehicle width direction of the rear seat 30. The seat backs 30B and 30C are divided so that the dimension in the vehicle width direction is approximately 4 to 6.

  An end 32A on the outer side in the vehicle width direction of the seat cushion frame 32 (the outer end of the left rear seat 30 in FIG. 2) is supported by a bracket 34 erected from the vehicle body floor 38, and the seat cushion frame An intermediate portion 32B in the vehicle width direction 32 (inner end portion of the left rear seat 30 in FIG. 2) is supported by a bracket 36 erected from the vehicle body floor 38. In the vehicle body floor 38, the floor portion 38A on the cargo compartment 27 side is formed substantially horizontally in the vehicle width direction, and the floor portion 38B on the vehicle compartment 26 side (the rear seat 30 side) is inclined downward toward the vehicle front side. It is formed to become.

  The bracket 34 has a substantially L-shaped cross section when viewed from the rear of the vehicle. One end 34A of the bracket 34 is fixed to the floor 38B with a fastener (not shown) such as a bolt, and the other end of the bracket 34 The portion 34B is arranged in the vehicle vertical direction, and an end portion 32A of the seat cushion frame 32 is fixed to the middle portion thereof by welding or the like. A side wall portion 52 of the retainer 40 disposed at the outer end portion 31A of the seat back 30B in the vehicle width direction is supported by the other end portion 34B of the bracket 34 so as to be rotatable about the shaft portion 42.

  The bracket 36 has a substantially L-shaped cross section when viewed from the rear of the vehicle, and one end 36A of the bracket 36 is fixed to the floor 38B with a fastener (not shown) such as a bolt. The other end of the bracket 36 is formed with a receiving portion 36B formed of a concave curved surface along the peripheral surface of the seat cushion frame 32, and the intermediate portion 32B of the seat cushion frame 32 is welded to the receiving portion 36B. It is fixed.

  A mounting portion 44A made of a concave curved surface formed on the upper bracket 44 is fixed to the upper portion of the seat cushion frame 32 on the inner side in the vehicle width direction than the bracket 36 by welding or the like. The upper side of the upper bracket 44 is disposed along the vehicle vertical direction, and the side wall 52 of the retainer 50 disposed at the inner end 31B of the seat back 30B in the vehicle width direction is disposed at the upper end of the upper bracket 44. Is supported so as to be rotatable about a shaft portion 46.

  As shown in FIG. 3, the retainer 40 functions as a rotating means for rotating the seat back 30 </ b> B in the vehicle width direction, and the outer end 31 </ b> A in the vehicle width direction of the seat back 30 </ b> B (see FIG. 2). The side wall part 52 arrange | positioned along the side surface of this and the attaching part 54 attached to the back surface part 31C of the seat back 30B are provided. The attachment portion 54 is attached to the back surface portion 31C of the seat back 30B with a fastener such as a bolt (not shown).

  The side wall portion 52 is made of a tongue-like plate material, and a circular opening 52A into which the shaft portion 42 (see FIG. 2) of the bracket 34 is rotatably inserted is provided at the lower end portion in FIG. The side wall portion 52 includes a concave portion 52B cut out in a concave shape in the vehicle longitudinal direction central portion of the upper end portion in FIG. 3, and extends to the vehicle upper side on both sides in the vehicle longitudinal direction of the concave portion 52B. The upper end portion includes a curved portion 52C (connecting portion) that is curved in a substantially circular shape on the outer side in the vehicle width direction. At the center of the bending portion 52C, a hole through which the shaft portion 56A of the pin 56 as a rotating means passes is provided.

  The mounting portion 54 is made of a rectangular plate material and includes a protruding portion 54A that is inserted into the concave portion 52B on the outer side in the vehicle width direction. At the tip of the projecting portion 54A, a curved portion 54B (connecting portion) that is curved in a substantially circular shape is provided on the vehicle lower side. In the center of the curved portion 54B, a hole through which the shaft portion 56A of the pin 56 passes is provided.

  The pin 56 includes a flange portion 56B that protrudes in the radial direction at the end portion of the shaft portion 56A. The side wall portion 52 and the mounting portion 54 are arranged in a direction substantially orthogonal to each other, and the protruding portion 54A of the mounting portion 54 is inserted into the concave portion 52B of the side wall portion 52. Then, by passing the shaft portion 56A of the pin 56 through the curved portion 52C of the side wall portion 52 and the curved portion 54B of the mounting portion 54, the mounting portion 54 can rotate about the shaft portion 56A with respect to the side wall portion 52. Connected.

  The pin 56 can pull out the shaft portion 56A from the curved portion 52C of the side wall portion 52 and the curved portion 54B of the mounting portion 54 by gripping the flange portion 56B. By pulling out the shaft portion 56A from the curved portion 52C of the side wall portion 52 and the curved portion 54B of the mounting portion 54, the outer end portion 31A of the seat back 30B to which the mounting portion 54 is attached can be separated from the side wall portion 52. It has become. That is, the pin 56 functions as a rotating shaft (rotating means) that rotates the seat back 30B in the vehicle width direction, and also separates the outer end 31A of the seat back 30B from the side wall 52 (vehicle body side). It functions as a means. In other words, the pin 56 is used as the rotating means and the separating means.

  Further, as shown in FIG. 2, the retainer 50 at the inner end 31B in the vehicle width direction of the seat back 30B is configured to be bilaterally symmetrical with the retainer 40 at the outer end 31A in the vehicle width direction of the seat back 30B. . The retainer 50 includes a side wall portion 52 disposed along the side surface of the inner end portion 31B in the vehicle width direction of the seat back 30B, and an attachment portion 54 attached to the back surface portion 31C of the seat back 30B. By attaching the shaft portion 56A of the pin 56 to the curved portion 52C of the side wall portion 52 and the curved portion 54B of the mounting portion 54, the mounting portion 54 is connected to the side wall portion 52 so as to be rotatable around the shaft portion 56A. ing. Further, by pulling out the shaft portion 56A of the pin 56 from the curved portion 52C of the sidewall portion 52 and the curved portion 54B of the attachment portion 54, the inner end portion 31B of the seat back 30B to which the attachment portion 54 is attached is separated from the sidewall portion 52. It is possible to do.

  In a state where the pin 56 is attached to the curved portion 52C of the side wall portion 52 and the curved portion 54B of the attachment portion 54, the seat back 30B is erected on the vehicle upper side with respect to the seat cushion 30A from the shaft upper portion of the bracket 34. 42 and the shaft portion 46 of the upper bracket 44 can be moved forward to a position overlapping the seat cushion 30A on the front side of the vehicle (see FIG. 1).

  A substantially L-shaped retainer 58 is attached to the lower end of the seat back 30C divided in the width direction with respect to the seat back 30B. The seat back is centered on a shaft portion 46 that connects the retainer 58 and the upper bracket 44. 30C can be moved forward. The retainer 58 of the seat back 30C is not equipped with a pin, and the retainer 58 cannot be separated. However, as with the retainers 40 and 50 of the seat back 30B, the pin can be detached by removing the pin 56. Good.

  In the present embodiment, the shaft portion 56A of the other pin 56 of the retainers 40, 50 is removed by removing one pin 56 of the retainers 40, 50 on both sides in the vehicle width direction of the seat back 30B in a state where the seat back 30B is tilted forward. The seat back 30 </ b> B can be rotated in the vehicle width direction about the rotation center.

  The pin 56 of the retainer 40 is removed, and the outer end portion 31A of the seat back 30B is rotated inward in the vehicle width direction with the shaft portion 56A of the pin 56 of the retainer 50 as the rotation center (the outer end portion 31A is directed upward in the vehicle). When the seat back 30B is flipped up, the seat back 30B is held on the side end face of the adjacent seat back 30C, or the seat back 30C is placed on the seat cushion 30A on the vehicle front side. Whether the seat back 30B is held on the side end surface of the seat back 30C or placed on the seat cushion 30A on the vehicle front side of the seat back 30C is determined when the seat back 30B when viewed from the side of the vehicle is moved forward. It is determined by the relationship between the positions of the shaft portions 42 and 46 that become the rotation shafts and the position and shape of the lower end of the seat back 30B or the lower portion of the front surface. For example, even when the lower end of the seat back 30B is above the rotation axis, or when the rotation axis is above the lower end of the seat back 30B, the rotation axis is in front of the lower side of the front surface of the seat back 30B. If it is near the lower part of the front surface, the seat back 30B can be placed on the seat cushion 30A.

  On the other hand, the pin 56 of the retainer 50 is removed, and the inner end portion 31B of the seat back 30B is rotated outward in the vehicle width direction with the shaft portion 56A of the pin 56 of the retainer 40 as the rotation center (the inner end portion 31B is positioned above the vehicle). The seat back 30B may be held on the rear side door 18 or the quarter garnish.

  With one of the outer end portion 31A and the inner end portion 31B of the seat back 30B jumped up to the vehicle upper side, the vehicle upper side of the seat cushion 30A can be used as a space for loading articles. For example, the back door 24 can be opened and a bicycle 60 as an example of an article can be loaded from the back door opening 22 onto the seat cushion 30A above the vehicle.

  Such a rear seat 30 can be applied to a vehicle including the back door 24, for example, a hatchback, a wagon, a minivan, or the like.

  Next, the operation and effect of this embodiment will be described.

  As shown in FIG. 1, when the back door 24 of the vehicle 10 is opened and the bicycle 60 is loaded into the luggage compartment 27 and the compartment 26 from the back door opening 22, the front seat seat arranged in the passenger seat 28 is moved to the vehicle front side by a moving means (not shown). Then, as shown in FIG. 2, the seat back 30B of the passenger seat side rear seat 30 is rotated about the shaft portions 42 and 46, so that the seat back 30B is moved forward until it overlaps the seat cushion 30A.

  In this state, as shown in FIG. 4, the pin 56 attached to the side wall portion 52 and the attachment portion 54 of the retainer 40 of the outer end portion 31 </ b> A of the seat back 30 </ b> B is gripped and removed. Accordingly, the mounting portion 54 of the outer end 31A of the seat back 30B can be separated from the side wall 52, and the pins attached to the side wall 52 and the mounting portion 54 of the retainer 50 of the inner end 31B of the seat back 30B. The outer end portion 31A of the seat back 30B is turned inward in the vehicle width direction around the shaft portion 56A of the 56 (the outer end portion 31A is flipped up to the vehicle upper side).

  The seat back 30B rotated inward in the vehicle width direction is held on the side end surface of the seat back 30C depending on the position of the adjacent seat back 30C, or overlapped on the seat cushion 30A on the vehicle front side of the seat back 30C. Deploy.

  In this state, the bicycle 60 is loaded from the back door opening 22 onto the vehicle upper side of the seat cushion 30A where the outer end 31A of the seat back 30B is flipped up. At this time, since the outer end 31A of the seat back 30B is flipped up, the distance between the upper surface of the seat cushion 30A and the ceiling of the vehicle 10 is long, and the handle 64 and the saddle 65 of the bicycle 60 are used as components inside the vehicle 10. It is hard to get caught. After the bicycle 60 is loaded on the seat cushion 30A above the vehicle, the bicycle 60 is fixed in the passenger compartment 26 and the luggage compartment 27 by tying the bicycle 60 with lashing means (not shown).

  On the other hand, as shown in FIG. 5, in the vehicle 100 in which the seat back 102 </ b> B of the rear seat 102 cannot be rotated in the vehicle width direction, the seat back 102 </ b> B is moved forward by the hinge portion 104 until it overlaps the seat cushion 102 </ b> A. Thus, when the bicycle 60 is loaded from the back door opening 22 to the upper side of the back portion 103 of the seat back 102B, the distance between the back portion 103 and the ceiling of the vehicle is short, and the bicycle 60 is easily caught by parts in the vehicle 100. . For this reason, it is necessary to incline the bicycle 60 in the vehicle width direction when viewed from the rear of the vehicle and send the bicycle 60 to the front side of the vehicle, and the work of loading the bicycle 60 becomes complicated.

  In contrast, in the present embodiment, since the bicycle 60 is loaded above the seat cushion 30A in which the outer end portion 31A of the seat back 30B is flipped up, the bicycle 60 is not easily caught by parts inside the vehicle 10, and the bicycle 60 Can be loaded easily. In recent years, there is a great demand for loading the bicycle 60 into the vehicle 10 for leisure and moving to the suburbs and using the bicycle 60 in the suburbs, and the advantage that the bicycle 60 can be easily loaded into the vehicle 10 is great.

  Further, a cover (not shown) that can wrap the entire bicycle 60 by inserting the bicycle 60 from the wheel 62 side is used, and after wrapping the entire bicycle 60 with the cover, the bicycle 60 may be loaded above the seat cushion 30A. Good. By wrapping the entire bicycle 60 with the cover, it is possible to prevent the dirt from adhering to the inside of the vehicle 10.

  In FIG. 4, the pin 56 attached to the side wall portion 52 and the attachment portion 54 of the retainer 40 of the outer end portion 31A of the seat back 30B is removed. Instead, the retainer 50 of the inner end portion 31B of the seat back 30B is removed. The pin 56 attached to the side wall portion 52 and the attachment portion 54 may be removed. In this case, the attachment portion 54 of the inner end portion 31B of the seat back 30B can be separated from the side wall portion 52, and the shaft portion 56A of the pin 56 attached to the retainer 40 of the outer end portion 31A of the seat back 30B is centered. As described above, the inner end portion 31B of the seat back 30B can be turned outward in the vehicle width direction (the inner end portion 31B can be flipped up to the vehicle upper side).

  The seat back 30B rotated outward in the vehicle width direction is applied to the rear side door 18 or the quarter garnish. In this state, the bicycle 60 can be loaded from the back door opening portion 22 above the vehicle on the seat cushion 30A where the seat back 30B is flipped up.

  In the above-described embodiment, the head portion of the shaft portion 56A of the pin 56 is provided with the flange portion 56B. However, the present invention is not limited thereto, and the head portion of the shaft portion 56A of the pin 56 is provided with a T-shaped projection. It may be configured. Further, in order to prevent the pin 56 from falling off from the retainers 40, 50, an engaging portion that engages with the retainers 40, 50 may be provided on the pin 56.

  In the above embodiment, the retainers 40 and 50 are provided symmetrically on both sides in the vehicle width direction of the seat back 30B, and the pins 56 can be removed (the rotating means and the separating means are shared by the pins 56). Rotating means such as a hinge for rotating the seat back 30B in the vehicle width direction is provided at one end of the back 30B in the vehicle width direction, and the seat back is provided at the opposite end of the seat back 30B in the vehicle width direction. The structure which provides the isolation | separation means which isolate | separates 30B from the vehicle body side may be sufficient.

  In the above embodiment, the separation means for separating the seat back 30B from the vehicle body side by allowing the pins 56 of the retainers 40 and 50 to be removed is used. However, the present invention is not limited to this, and other separation means such as a detachable clip is used. It may be provided.

  Further, in the above-described embodiment, the seat back 30B rotated inward or outward in the vehicle width direction is configured to be held on the side end surface of the adjacent seat back 30C or the quarter garnish. It is also possible to hold the back 30B on the seat back 30C or the quarter garnish with appropriate holding means.

DESCRIPTION OF SYMBOLS 10 Vehicle 11 Body main body 30 Rear seat 30A Seat cushion 30B Seat back 31A Outside end (end in the vehicle width direction)
31B Inner end (end in the vehicle width direction)
40 Retainer (turning means)
50 Retainer (turning means)
52 Side wall (vehicle body side)
52C bending part (connecting part)
54B Bent part (connecting part)
56 pins (rotating means, separating means)

Claims (3)

A seat cushion on which an occupant can sit,
A seat back that is erected at a rear end portion of the seat cushion in the vehicle front-rear direction and is divided in the vehicle width direction and configured to be able to be tilted forward to the seat cushion side;
Rotating means provided at one end of the seat back in the vehicle width direction and rotatably supporting the seat back from the state where the seat back is tilted forward until it overlaps the seat cushion;
Separating means provided at the other end of the seat back in the vehicle width direction and detachably connecting the seat back to the vehicle body side;
A vehicle seat having:   2. The configuration according to claim 1, wherein both of the rotation means and the separation means are provided at both ends of the seat back in the vehicle width direction, and the rotation direction of the seat back in the vehicle width direction can be selected. Vehicle seat. A retainer disposed across both ends of the seat back in the vehicle width direction and the vehicle body;
A pin that is detachably attached to a connecting portion provided in the retainer,
3. The vehicle according to claim 2, wherein the seat back is rotated around the pin in a state where the pin is mounted, and the seat back is separated from the vehicle body side by removing the pin. 4. Sheet.

Images