JP5414226B2 - Legrest device and seat - Google Patents

Description

  The present invention relates to a legrest and a seat, and more particularly, to a legrest that can be slid according to how a seated person's legs are placed, and a seat including the legrest.

Conventionally, some seats used for vehicles and the like are provided with leg rests (see, for example, Patent Document 1). The legrest may be folded to the lower side of the seat, or may be jumped forward from the front of the seat. When the legrest is jumped forward, the seated person can throw the leg forward and place it on the legrest.
In addition, the legrest in a state of jumping forward can be slid in the front-rear direction from the operation portion on the side portion of the seat and can be stopped at an arbitrary position. For this reason, the leg receiving position which changes according to the length of a seated person's leg, the depth to sit down, etc. can be adjusted.
JP 2008-049066 A

  By the way, in order to connect the seat and the legrest, a connecting member such as a link is required. Since it is not preferable that such a connecting member is exposed, it is usually shielded by a cover. For this reason, the legrest slides on the surface of the cover. On the other hand, the legrest is covered with a soft cushion made of urethane or the like in order to rest comfortably. The cloth for wrapping urethane wraps the surface of urethane over the upper surface and side surfaces of the frame of the leg rest, and the ends are fastened at the back surface. For this reason, if the shape of the cover is exactly matched to the shape of the lower surface of the legrest, the legrest will not slide smoothly due to the fabric being in the way. Therefore, it is necessary to provide a certain gap between the legrest and the cover, but if the legrest and the cover are open when the legrest is slid backward with respect to the seat, it will look good for the seated person. bad.

  An object of the present invention is to make the gap formed between the upper surface of the cover that shields the connecting member of the seat and the legrest and the lower surface of the legrest invisible when the legrest is slid rearward of the seat. is there.

In order to solve the above problems, according to the first aspect of the present invention, a slide mechanism provided at a seat bottom front portion of a seat, and an upper portion of the slide mechanism are provided slidable in the front-rear direction with respect to the seat. The legrest and the slide mechanism are shielded and exposed when the legrest slides forward with respect to the seat, and when the legrest slides backward with respect to the seat, a lower portion of the legrest is exposed. in the snaps cover, one side of the rear end portion of the upper surface of the cover includes a convex portion raised linearly, the cross section of the convex portion has a mountain-shaped continuous with the surface of said cover, said The chevron is provided with a legrest device characterized in that the end side of the cover is raised .

  Preferably, the height of the convex part is substantially the same as the gap between the lower surface of the legrest and the upper surface of the cover.

  Preferably, the length of the convex portion in the left-right direction is the same as the lateral width of the cover.

Preferably, when the legrest slides rearward with respect to the seat, the convex portion fits in a gap formed between the lower surface of the legrest and the upper surface of the cover. More preferably, when the legrest slides backward with respect to the seat, the rear end surface of the cover and the rear end surface of the legrest are flush with each other.

Preferably, the front portion of the chevron is angled with respect to the rear end surface of the legrest.

According to the first aspect of the present invention, the convex portion provided on the cover closes the gap between the lower surface of the leg rest and the upper surface of the cover when the leg rest is pulled rearward, so that it looks good for a seated person. . In addition, the legrest slide is not obstructed. Further, when the leg rest slides to the rear rest position, the leg rest surface and the cover surface form a smooth plane.

  According to the second aspect of the present invention, the gap formed between the notch of the leg rest and the cover is hardly visible.

  According to the third aspect of the present invention, the gap formed between the leg rest notch and the side of the cover can be minimized.

  Hereinafter, preferred embodiments for carrying out the present invention will be described with reference to the drawings. However, although various technically preferable limitations for implementing the present invention are given to the embodiments described below, the scope of the invention is not limited to the following embodiments and illustrated examples.

  FIG. 1 is a perspective view of the seat 1. This seat 1 is installed in the interior of an automobile, a ship, an airplane or other vehicle. The seat 1 includes a seat bottom 2, a backrest 3, a legrest device 40, and the like.

  The seat bottom 2 is installed on the floor of the vehicle interior via the front / rear position adjustment mechanism 5. The backrest 3 is provided in a standing state at the rear end portion of the seat bottom 2. The backrest 3 and the seat bottom 2 are connected by a reclining mechanism 6.

  The legrest device 40 includes a legrest 4, a cover 36, a hoisting mechanism 20, and a slide mechanism 30 (shown in FIG. 2). The legrest 4 is connected to the front portion of the seat bottom 2 by the hoisting mechanism 20 and the slide mechanism 30. Has been. The hoisting mechanism 20 raises and lowers the legrest 4 so that the legrest 4 is suspended from the front upper part of the seat bottom 2 on the front side of the seat bottom 2 or the leg rest 4 is moved to the front portion of the seat bottom 2. Or jumping forward from the front. The slide mechanism 30 slides the legrest 4. Hereinafter, the hoisting mechanism 20 and the slide mechanism 30 will be described.

FIG. 2 is an exploded perspective view of the legrest device 40 as seen from the upper right diagonally front.
As shown in FIG. 2, the hoisting mechanism 20 is a link mechanism and has a pair of links 21, 22, 23, 24, 25, 26 on the left and right.

  The link 21 is a fixed link, and the link 21 is fixed to the frame of the seat bottom 2. One end of the link 22 is rotatably connected to the front upper portion of the link 21. The other end of the link 22 is rotatably connected to one end of the link 23. The other end of the link 23 is rotatably connected to one end of the link 26. The other end of the link 26 is rotatably connected to one end of the link 24. The other end of the link 24 is rotatably connected to one end of the link 25. The other end of the link 25 is rotatably connected to the lower rear portion of the link 21. The link 22 and the link 24 intersect with each other when viewed from the right or left, and the link 24 and the link 22 are rotatably connected at the intersection. When the hoisting mechanism 20 that is a link mechanism is folded and fits in the lower part of the seat bottom 2, the link 26 extends vertically, and when the hoisting mechanism 20 is deployed forward from the seat bottom 2, the link 26 moves back and forth. It extends to. A lock mechanism that holds the posture of the hoisting mechanism 20 is provided.

  The slide mechanism 30 includes a base 31 and a pair of left and right linear guides 32 and a slider 33. The base 31 is fixed to the links 26 in a state of being stretched over the two links 26 from side to side. The linear guide 32 includes a slide rail 34 and a carriage 35 that is slidable with respect to the slide rail 34. The slide rails 34 of the linear guide 32 are fixed to both the left and right sides of the back surface of the base 31, and the slide rails 34 are parallel to the link 26 of the hoisting mechanism 20. A carriage 35 of the linear guide 32 is fixed to the slider 33 on the back side of the base 31. The right slider 33 extends to the right from the right end of the base 31, and the left slider 33 extends to the left from the left end of the base 31. Since the carriage 35 of the linear guide 32 is slidable along the slide rail 34, the slider 33 can be moved in a direction parallel to the link 26 by the linear guide 32.

Next, the cover 36 and the legrest 4 attached to the slide mechanism 30 will be specifically described.
The cover 36 is a plate-shaped member made of resin, and covers the base 31. The shape seen from the front shown in FIG. 2 is a rectangle, and the vertical width and horizontal width are both larger than the vertical width and horizontal width of the base 31. The thickness is approximately the same as that of the side portion 31 b of the base portion 31. The back surface is larger than the vertical width, horizontal width, and depth of the base 31 and is recessed in a square shape. For this reason, the base 31 fits in the recess, and the side surface of the base 31 can also be shielded. Further, a linear convex portion 36 a is formed on the front surface of the cover 36 so as to rise forward along the edge of the upper end of the cover 36. The convex portion 36a extends to the full width of the cover 36, and the cross section has a mountain shape so as to be smoothly continuous with the surface of the cover 36. The mountain shape is not symmetrical, and the surface 36b side stands up. A plurality of claws are formed on the back surface of the cover 36. When the base portion 31 is received in the recess of the cover 36, the claw is hooked on the rod portion 31 a and the cover 36 is fixed to the base portion 31.

  The legrest 4 is used for placing a leg of the seated person in a state where the legrest 4 is flipped forward from the front portion of the seat bottom 2 by the undulation mechanism 20 described above. The legrest 4 has a rectangular shape when viewed from the front, and its vertical width, horizontal width, and thickness are all larger than the vertical width, horizontal width, and thickness of the cover 36. The back surface is larger than the vertical width, horizontal width and depth of the cover 36 and is recessed in a square shape. A cutout 4a wider than the width and depth of the upper surface of the cover 36 is formed on the surface 4b. Inside the legrest 4 is a metal frame, and urethane foam is applied to the front, bottom and side surfaces of the frame, and the surface of the urethane is covered with fabric. In addition, holes are formed at the four corners of the frame inside the legrest 4. The left and right sliders 33 each have a plate portion 33a extending laterally, and holes 33b are formed at the upper and lower ends of the plate portion 33a. The two holes 33 b provided in each of the left and right sliders 33 are formed at positions that overlap the positions of the four holes of the frame of the legrest 4. Therefore, by overlapping the hole of the frame of the legrest 4 and the hole 33b, passing the bolt, and tightening with a nut, the legrest 4 is laid over the two sliders 33 on the front side of the cover 36 in the state where these sliders are left and right. 33 is fixed.

  As described above, the legrest 4 has a structure in which a portion other than the back surface of the frame is covered with foamed urethane and the top is covered with a cloth. And the edge part of the fabric is fastened by the back surface of the frame. For this reason, in order to smoothly slide the legrest 4 with the cover 36 covered, the legrest 4 is fixed in a state where a gap is provided between the lower surface of the legrest 4 and the cover 36. The height of the protrusion 36a described above is set to be approximately the same as this gap.

  By fixing the legrest 4 to the slider 33 by the method as described above, the legrest 4 and the slider 33 can be moved together in a direction parallel to the link 26 (vertical direction in FIG. 2). . When the legrest 4 slides downward, the cover 36 is exposed to the outside through the legrest notch 4a. On the contrary, when the legrest 4 slides upward, the cover 36 passes through the notch 4a of the legrest 4 and comes to rest when the legrest 4 reaches a substantially flush position.

  FIG. 3 is a perspective view of a state in which the legrest 4 attached to the seat 1 is slid rearward with respect to the seat 1. FIG. 4 is a side view of the leg rest in the state of FIG. In addition, illustration of the raising / lowering mechanism 20 is abbreviate | omitted in FIG. As shown in FIG. 3, when the leg rest 4 is pulled toward the seat bottom 2, the front end portion of the seat bottom 2 and the rear end portion of the leg rest 4 are close to each other, and the undulation mechanism 20, the slide mechanism 30, and the cover 36 are It is in a shielded state.

  FIG. 5 is a perspective view of the legrest slid forward with respect to the seat 1. FIG. 6 is a side view of the leg rest in the state of FIG. Also in FIG. 6, illustration of the undulation mechanism 20 is omitted. As shown in FIG. 5, when the legrest 4 is slid forward with respect to the seat 1, the cover 36 is exposed, but the slide mechanism 30 below the cover 36 is shielded. Also, if the cover 36 is made of a hard material such as a resin, the cover 36 can be formed smoothly unlike the case where it is made of cloth, and the appearance is good. In addition, there is no concern that the limbs will bite into the fabric and the limbs will be pinched by the slide mechanism 30, which is safe.

  FIG. 7 is a perspective view when the legrest 4 is slid forward with respect to the seat 1 when viewed from the rear. As described above, in the state where the cover 36 is exposed from the legrest 4, there is a gap between the lower surface of the legrest 4 and the upper surface of the cover 36, so that the cutout 4a is also opened in the horizontal direction. ing.

  FIG. 8 is a perspective view when the legrest 4 is slid rearward with respect to the seat 1 when viewed from the rear. As described above, when the leg rest 4 is slid rearward, the leg rest 4 is stopped at a position where the surface 4b of the leg rest 4 and the surface 36b of the cover 36 are substantially flush with each other. At this time, the gap formed between the notch 4 a of the leg rest 4 and the cover 36 is shielded by the convex portion 36 a formed on the cover 36. As described above, when the height of the convex portion 36a is set to be approximately the same as the gap between the rear surface of the legrest 4 and the front surface of the cover 36, the gap is hardly visible. Moreover, since the convex part 36a is extended to the full width of the cover 36, the clearance gap which can be made to the side of a cover can also be minimized. Furthermore, since the convex part 36a is provided in the mountain shape which continues smoothly with the surface of the cover 36 only in the edge part by the side of a seat bottom, it does not inhibit the slide of the legrest 4. FIG. Further, since the cross section of the convex portion 36a is formed so as to stand up toward the surface 36b, the surface 4b and the surface 36b form a gentle plane when the legrest 4 slides to the rear rest position. Therefore, as shown in FIG. 9, when a person sitting on the seat 1 looks in the direction of the leg rest 4, there is no gap between the leg rest 4 and the cover 36, and the appearance is good.

  In the above embodiment, the convex portion is integrally formed with the cover, but another member may be produced and attached. Also, the material of the cover is not limited to resin, and any material can be used as long as it is hard and easy to mold.

It is the perspective view which showed the sheet | seat and legrest apparatus in embodiment of this invention. It is the disassembled perspective view which showed the legrest, slide mechanism, and raising / lowering mechanism in embodiment of this invention. It is the perspective view which showed a part of sheet | seat and the legrest apparatus in embodiment of this invention. It is the side view which showed a part of sheet | seat and the legrest apparatus in embodiment of this invention. It is the perspective view which showed a part of sheet | seat and the legrest apparatus in embodiment of this invention. It is the side view which showed a part of sheet | seat and the legrest apparatus in embodiment of this invention. It is the perspective view which showed the legrest apparatus in embodiment of this invention. It is the perspective view which showed the legrest apparatus in embodiment of this invention. It is the top view which showed the sheet | seat and legrest apparatus in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat 2 Seat bottom 3 Backrest 4 Leg rest 4b Surface 5 Front-rear position adjustment mechanism 6 Reclining mechanism 20 Lifting mechanism 21 Links 21, 22, 23, 24, 25, 26 Link 30 Slide mechanism 31 Base 31a Rod 31b Side 32 Linear guide 33 Slider 33a Plate portion 33b Hole 34 Slide rail 35 Carriage 36 Cover 36a Convex portion 36b Surface 40 Legrest device

Claims (7)

A slide mechanism provided at the front of the seat bottom of the seat;
A legrest provided at the top of the slide mechanism so as to be slidable in the front-rear direction with respect to the seat;
While shielding the slide mechanism, exposed when slid forward the leg rest is relative to the sheet, and snaps the cover at the bottom of the leg rest when said leg rest is slid rearward relative to the seat,
On one side of the upper surface rear end portion of the cover, a linearly raised convex portion ,
The cross section of the convex part has a mountain shape continuous with the surface of the cover,
The chevron is a legrest device characterized in that the end side of the cover stands upright .   The legrest device according to claim 1, wherein the height of the convex portion is substantially the same as an interval of a gap formed between the lower surface of the legrest and the upper surface of the cover.   The legrest device according to claim 1 or 2, wherein a length of the convex portion in the left-right direction is the same as a lateral width of the cover. The said convex part is settled in the clearance gap formed between the lower surface of the said leg rest, and the upper surface of the said cover when the said leg rest slides back with respect to the said sheet | seat. The legrest apparatus as described in any one. The legrest device according to claim 4, wherein when the legrest slides backward with respect to the seat, the rear end surface of the cover and the rear end surface of the legrest are flush with each other. The legrest device according to any one of claims 1 to 5, wherein a front portion of the mountain shape is angled with respect to a rear end surface of the legrest. A seat comprising the legrest device according to any one of claims 1 to 6 .

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