JP2596575Y2 - Footrest device for occupants - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a footrest device for a occupant disposed in front of a seat.

[0002]

2. Description of the Related Art When a person sits on a seat arranged in a railway car, car, aircraft, ship, theater or the like, it is not possible to provide a footrest device in front of the occupant so that the occupant can take a comfortable posture. Conventionally known.

FIG. 6 shows a seat 1 arranged in a railway car.
02 and the footrest device 106 for the occupant P seated thereon
It is the schematic which shows the prior art example. This footrest device 106
Is a base frame 107 fixed to a pedestal 104 of the seat 101 located forward of the seat 102 of the occupant P who uses the base frame 107, and a free end side of the base frame 107 pivotally pivotable in the direction of arrow S. And a footrest link 108 that is worn.

When using the foot rest device 106, the foot rest link 108 is brought to a position shown by a solid line, and the foot of the occupant is put on the link. When the foot rest device 106 is not used, the foot rest link 108 is folded to a storage position indicated by a chain line.

[0005] By the way, the above-mentioned seats are occupied by humans of various body types. If the occupant P is short, as shown in FIG. May not reach.

In order to eliminate such a problem, as shown in FIG.
May be set to be long so that a person of any height can reach the footrest link 108. However, with this configuration, when the foot rest link 108 is folded and stored, the entire foot rest device 106 occupies a large space, which causes a problem that the seat rest obstructs the occupant. In addition, the following problems are inevitable.

As generally used in seats of railway vehicles, a seat is rotatably supported on a pedestal fixed to a floor of a vehicle body so that the seat can be rotated and used in the opposite direction. When configured, the pedestal is fitted with two foot rests. That is, when the seats 101 and 102 shown in FIGS. 6 and 7 are inverted by 180 ° and the directions thereof are reversed, the seats 102 (not shown) of the seat 101 can be placed on the seats 102 so that the feet can be put on them. The pedestal 105 is also provided with a footrest device 106B having exactly the same configuration as the footrest device 106 described above. In such a case, if the base frame 107 of the footrest device is formed long as shown in FIG. 7 so that the feet of a person of any height can reach, when the link 107 is folded, it is set in the direction shown in FIG. The heels of the occupant P seated on the seat 102 hit the foot rest device 106B as shown by a chain line in FIG.

Therefore, as shown in FIG.
7, a first foot rest link 108 is pivotally connected to the free end side of the arm, and a second foot rest link 110 is further pivotally connected to this link 108 so that they can be deployed and used as shown by solid lines. The footrest device 106 can be constructed so that even a short person can reach the foot sufficiently.
By storing 0 in a folded state, it is possible to prevent a problem that these obstruct the occupant.

However, according to this configuration, when the two footrest links 108 and 110 are not used, they may be folded as shown by a chain line in FIG. In this retracted state, the two links 108 and 110 protrude greatly upward, so that not only the appearance is impaired, but also when the seat 101 rotatably supported by the immovable pedestal 104 is rotated, the seat 101 is rotated. Interferes with the foot rest link 110,
A problem that hinders the rotation operation is unavoidable.

[0010]

SUMMARY OF THE INVENTION An object of the present invention is to provide a footrest device for a seated occupant, which eliminates the above-mentioned conventional disadvantages.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a footrest device for a occupant disposed in front of a seat, wherein a base end of the footrest remote from the seat is located on the floor. And a first footrest link having a base end pivotally attached to a free end of the base frame, and a base end pivotally attached to the free end of the first footrest link. One end of the second footrest link is pivotally connected to the free end of the base frame, and the other end is pivotally connected to the first footrest link and the second footrest link. And a regulating link pivotally attached to the second foot rest link portion closer to the free end side of the second foot rest link. Let L _{1 be} the distance to the pivot point between the second footrest link and the base frame and the first frame.
From hinged portion of the footrest link, when the distance to the hinged portion between said first foot put links and second foot put links and L _2, so as to satisfy L _1> L _2, and the second The base frame so that the free end of the two-footed link pivots from the storage position in which the free end faces downward to a use position in which the link faces the seat;
A footrest device is proposed in which the first footrest link, the second footrest link, and the restriction link form a four-bar rotating chain whose base frame is a stationary node.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows a seat of a railway vehicle provided with a footrest device according to the present invention.
Indicates the seats located behind it. Each of the seats 1 and 2 is rotatably supported on pedestals 4 and 5 fixed to the floor 3 of the vehicle body.
A footrest device 6 attached to the pedestal 4 of the front seat 1 is used. Similarly, the footrest device 6A attached to the rear of the pedestal 5 of the rear seat 2 is used by a seated occupant of a seat (not shown) further rearward than the seat 2. When each of the seats 1 and 2 is rotated by 180 ° to reverse the direction, the occupant (not shown) of the seat 1 moves to the seat 2 of the seat 2 located in front of the seat 1 (to the right in FIG. 1). 5 is used. Thus, each seated person
Each of them uses a footrest device for a seated person arranged in front of the seat.

Each of the foot rests 6, 6A, 6B described above
Since all have substantially the same configuration, the configuration and operation of the footrest device 6 used by the occupant P of the seat 2 will be described as a representative thereof.

FIG. 2 is a side view showing a state in which the foot rest device 6 is not used, FIG. 3 is a plan view thereof, and FIG.
It is a side view which clarifies the footrest apparatus 6 at the time of use similar to 1 and its operation | movement.

As shown in FIGS. 1 to 4, a base end 7a of a base frame 7 is fixed to a rear portion of the pedestal 4 supporting the seat 1 by a screw (not shown) or the like. Pedestal 4
Is fixed to the floor 3 of the vehicle body, so that the base end 7a of the base frame 7 remote from the rear seat 2 is fixed to the floor 3 via the pedestal 4. is there.

On the free end side 7b of the base frame 7,
The base end side 8a of the first foot rest link 8 is rotatably pivoted via concentric first pins 9 and 9, and the second foot rests on the free end side 8b of the first foot rest link 8. The base end 10a of the mounting link 10 is rotatably pivoted via concentric second pins 11,11.

Further, on the left and right sides (vertical direction in FIG. 3) of the base frame 7, regulating links 12, 12 are arranged at symmetrical positions, respectively.
Is one end side 12a of which is the free end side 7 of the base frame 7.
b are rotatably connected to each other via concentric third pins 13 and 13. The other end 12b of each of the restriction links 12, 12 is rotatably connected to the second foot rest link 10 via fourth concentric pins 14, 14.

The fourth pins 14, 14 are the second pins 1
The free end side 10 of the second foot rest link 10
b. That is, regulation link 1
The other end 12b of each of the first and second foot rest links 8
Pivotally connected to the second footrest link 10, that is, to the portion of the second footrest link 10 closer to the free end 10 b of the second footrest link 10 than the second pins 11, 11. -ing In the illustrated example, the restriction link 12 is
Although one is provided, one of them may be omitted.

As described above, the foot rest device 6 includes the base frame 7, the first foot rest link 8, the second foot rest link 10, and the regulating links 12, 12, and is provided on the lower side of FIG. The restriction link 12 located on the left side of the occupant P is rotated by the occupant P sitting on the seat 2 as described later.

FIG. 5 shows each of the elements 7, 8, 10, and 12 described above.
FIG. 4 is an explanatory diagram schematically showing pins 9, 11, 13, and 14 for pivotally connecting these. Here, the pivotal connection between the base frame 7 and the restriction link 12, that is, from the center of the third pin 13, the pivotal connection between the restriction link 12 and the second footrest link 10,
That is, the distance to the center of the fourth pin 14, L _1. A pivotal connection between the base frame 7 and the first foot rest link 8;
That is, from the center of the first pin 9, the first footrest link 8
A distance L ₂ from the pivotal connection point between the second pin 11 and the second footrest link 10, that is, the center of the second pin 11. When the distances between the pivot portions are determined in this manner, they are set so as to satisfy the relationship of L ₁ > L ₂ as can be seen from FIG. The base frame 7 is fixed to the floor 3 as described above.

Here, as can be understood from FIG. 5, the base frame 7, the first foot rest link 8, the second foot rest link 10, and the regulating links 12, 12 are formed by using the base frame 7 as a stationary joint. Construct a knotted rotation chain. The first footrest link 8 and the restriction links 12 can rotate with respect to the base frame 7 which is a stationary joint, drawing trajectories indicated by R and Q in FIGS. 2, 4 and 5. The details are as follows.

When the footrest device 6 is not used, the first and second footrest links 8 and 10 and the restriction links 12 and 12
It is folded and stored as shown in FIG. That is, the free end side 10a of the second foot rest link 10 faces downward, and the first foot rest link 8 and the restriction links 12, 12
They are positioned so as to overlap with the base frame 7 while maintaining postures substantially parallel to each other. At this time, these elements are positioned at the storage positions shown in FIG. 2 by stoppers (not shown).

Since the first and second foot rest links 8, 10 and the regulating link 12 are stored as described above, the whole is compact, so that the seat 1 shown in FIG. 1 is rotated in the opposite direction. At times, this does not interfere with the elements of the footrest device 6.

On the other hand, a third pin 13 is provided on one end 12a of the left regulating link 12 shown on the lower side of FIG.
A tongue piece 12c is formed at a further end portion. When using the foot rest device 6, the occupant P shown in FIG. 1 presses the tongue piece 12c with his / her foot from above as shown by an arrow W in FIG. Thereby, this regulation link 12
Rotates about the third pin 13 together with the other right-hand regulating link 12, and as shown in FIG.
0 activates. The rotation locus of the fourth pin 14 at this time is Q.

That is, the first foot rest link 8 connected to the regulating links 12, 12 via the second foot rest link 10.
Rotates about the first pin 9. The rotation locus of the portion of the second pin 11 at this time is R. The state of these rotation trajectories R and Q is as shown in FIG. 4, and when the restriction links 12 and 12 and the first footrest link 8 start to rotate, the fourth pin 14 of the restriction link 12 Trajectory Q of the part
However, the two trajectories R and Q intersect with each other at a point indicated by X in FIG. 4, and the trajectory R is located on the inner side of the rotation trajectory R of the second pin 11 of the first footrest link 8. It is inside the locus Q. This is an effect obtained by setting the distances L ₁ and L ₂ to L ₁ > L ₂ as described above.

The restricting links 12, 12 which rotate in this manner.
Finally, the first foot rest link 8 reaches the position shown by the solid line in FIG. 4, where each link is stopped by a stopper (not shown). Each link 8, 1 during this rotation
The states of 0 and 12 are indicated by chain lines in FIG.

Since the second pin 11 and the fourth pin 14 rotate along the trajectories R and Q described above, these pins 11 and
14, the first footrest link 8 and the regulation link 12, 1
2 are pivotally connected to the second foot rest links 10, respectively.
As shown by the chain line in FIG. That is, when the second foot rest link 10 is in the retracted position, its free end 10b faces downward as shown in FIG. 2, but the restriction links 12, 12 and the first foot rest link 8
With the rotation of, the posture is rotated clockwise so that the posture gradually rises as indicated by reference numerals A and B in FIG. Take an almost horizontal posture facing.

As described above, due to the four-bar rotating chain constituted by the links, the second footrest link 10 is moved from the storage position in which the free end 10b faces downward to the use position in which it faces the seat 2. It is possible to pivot to. In this use position, the first and second footrest links 8, 10
Keeps a substantially horizontal posture, and greatly protrudes toward the occupant P of the seat 2, so that even a low-height occupant can maintain a comfortable posture while placing his feet on the links 8,10.
You can put on.

By rotating the links 8, 10, and 12 in the opposite direction as described above, they can be stored at the positions shown in FIG.

As described above, according to the illustrated foot rest apparatus 6, when it is not in use, it can be folded and stored compactly, so that the foot rest apparatus 6 may obstruct a seated person, or may disturb the seat. There is no risk of hindering the rotation operation.
At the time of its use, the first and second foot rest links 8, 1
Since the two foot-resting links 0 protrude greatly toward the occupant P, occupants of any body, including those of short stature, can easily put their feet on these links 8 and 10.

As shown by a chain line in FIGS. 2 and 3,
Regulatory link 12 between third pin 13 and fourth pin 14
The operation pin 12d is protruded from the part, and the occupant P presses the operation pin 12d upward, thereby rotating the regulating link 12 and rotating each link as described above. Is also good.

The present invention can be widely applied not only to a footrest device for a seat of a railway vehicle but also to a footrest device for a seat installed in an automobile, an aircraft, a ship, a theater or the like.

[0034]

According to the present invention, the first and second footrest links can be folded and stored small when not in use, and can be greatly protruded toward the occupant side when in use. The footrest device can be effectively used regardless of the body of the seated occupant when in use, without any obstacle.

[Brief description of the drawings]

FIG. 1 is a side view showing a seat provided with a footrest device according to an embodiment of the present invention;

FIG. 2 is a side view when the foot rest device is not used.

FIG. 3 is a plan view of the footrest device shown in FIG. 2;

FIG. 4 is a side view when the foot rest device is used.

FIG. 5 is an explanatory diagram schematically showing each link of the footrest device.

FIG. 6 is a side view showing a seat provided with a conventional foot rest device.

FIG. 7 is a side view showing another conventional example.

FIG. 8 is a side view showing still another conventional example.

[Explanation of symbols]

Reference Signs List 1 seat 2 seat 3 floor 6 footrest device 6A footrest device 6B footrest device 7 base frame 7a base end 7b free end side 8 first footrest link 8a base end side 8b free end side 10 second footrest link 10a Base end 10b Free end 12 Regulatory link 12a One end 12b The other end L ₁ distance L ₂ distance

Claims (1)

(57) [Scope of request for utility model registration] 1. A footrest device for a occupant disposed in front of a seat, comprising: a base frame having a base end remote from the seat fixed to a floor; A first footrest link having a proximal end pivotally attached to the free end side, a second footrest link having a proximal end pivotally attached to the free end side of the first footrest link, and a free of the base frame. One end is pivotally attached to the end, and the other end is closer to the free end of the second foot rest link than the pivot joint between the first foot rest link and the second foot rest link. A regulation link pivotally attached to the second foot rest link portion, wherein a distance from a pivot joint between the base frame and the regulation link to a pivot joint between the regulation link and the second foot rest link is L. ₁ ,
From hinged portion between the base frame and the first foot placed link, when the distance to the hinged portion between said first foot put links and second foot put links and L _2, satisfy L _1> L ₂ The base frame, the first foot rest link, and the second foot rest link such that the free end side of the second foot rest link pivots from the storage position facing downward to the use position facing the seat. A footrest device characterized in that the two footrest link and the regulating link form a four-node rotating chain whose base frame is a stationary node.