JP2001233107A - Armrest for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an armrest main body thin in an accommodated state where an armrest is accommodated in a recessed part provided in a seat back while making thick in a using state, and to decrease a depth of the recessed part in the seat back. SOLUTION: An armrest frame 31 is pivotally supported to an armrest bracket 25 by a pivot-supporting pin 27. An elongate hole 40 is formed on a front-end side of the armrest frame 31. One end of a first link 41 is pivotally supported by a base end side of the armrest frame 31, and one end of a second link 42 is pivotally supported by the other end of the first link 41. The other end of the second link 42 is pivotally supported by the elongate hole 40 for free sliding in front and rear direction. One end 35a of an operation link 35 is pivotally supported by a second pivot-supporting pin 37 at the back of the pivot-supporting pin 27 of the armrest frame 31. The other end 35b of the operation link 35 is pivotally supported by the other end of the second link 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an armrest for a vehicle installed in a seat back such as a rear seat, and more particularly, to a storage state accommodated in a concave portion provided in a seat back and a forward leaning toward a seat cushion. The present invention relates to a vehicle armrest including an armrest body that is rotatably mounted between use states.

[0002]

2. Description of the Related Art Usually, a concave portion is formed in a part of a seat back such as a rear seat, or a part of a seat back is opened, and an armrest body is provided in the concave portion and the opening so as to be usable in a stored state and a used state. Configuration exists. Also,
There is a rear seat structure or the like that employs a so-called trunk through structure in which an armrest body is in a use state and a vehicle interior and a trunk room are communicated through an opening.

A vehicle seat 1 such as a rear seat shown in FIG.
Is composed of a seat cushion 2 on which an occupant sits and a seat back 3 serving as a backrest portion of the occupant. A recess 4 is formed substantially at the center of the seat back 3, and the armrest body 5 is housed in the recess 4. Have been. The recess 4 is formed in front of the seat back frame 3a. The recess 4 of the seat back 3 is provided so as to obtain a state in which the armrest body 5 is stored in the recess 4 and a state in which the armrest body 5 is tilted forward at a position above the seat cushion 2 so as to function as an armrest for an occupant.
The armrest 5 is rotatably mounted inside by a hinge mechanism 6. In the case of the vehicle seat 1 such as the rear seat shown in FIG. 5, since the recess 4 is formed in front of the seat back frame 3a, the thickness of the armrest main body 5 cannot be increased, and It is in a state of being supported by the hinge mechanism 6 in the middle of the vertical direction.

A vehicle seat 1 such as a rear seat shown in FIG. 6 is composed of a seat cushion 2 on which an occupant sits and a seat back 3 which serves as a backrest of the occupant. An opening 4a is formed substantially at the center of the seat back 3, and the armrest body 5 is housed in the opening 4a.
Armrest body based on the hinge mechanism 6 inside the opening 4a of the seat back 3 so as to obtain a stored state in the opening 4a and a use state in which the seatback 2 is tilted forward on the seat cushion 2 and used as an occupant's armrest function. 5 is rotatably mounted. In the case of the vehicle seat 1 shown in FIG. 6, the seat back frame 3a is not located at the opening 4a, the thickness of the armrest main body 5 can be increased, and the armrest main body 5 is placed on the seat cushion 2. A sufficient height can be ensured even when the seat back 3 is moved forward, and there is no need to support the seat back 3 horizontally by the hinge mechanism 6 by a lock mechanism or the like in the vertical direction.

[0005]

In the conventional vehicle seat 1 having the armrest body 5 shown in FIG. 5, since the armrest body 5 is not placed on the seat cushion 2, the strength of the hinge mechanism 6 is required. In addition, there is a disadvantage that a lock mechanism for supporting the armrest main body 5 in a horizontal state is required. Further, since the concave portion 4 is formed in front of the seat back frame 3a, the thickness of the armrest main body 5 can be increased. It had disadvantages that could not be achieved. A vehicle seat 1 including an armrest body 5 shown in FIG.
, The thickness of the armrest body 5 can be increased, and the armrest body 5
Since the seat back 3 has a thickness enough to secure a sufficient height even when it is tilted forward, it is not necessary to support the seat back 3 in a horizontal state by the hinge mechanism 6 in the vertical direction. A large recess 4 and an opening 4a have to be formed, and the armrest body 5 has a disadvantage that it is large and inconvenient for use.

SUMMARY OF THE INVENTION It is an object of the present invention to reduce the thickness of an armrest body in a storage state in which the armrest body is stored in a recess provided in a seatback, and to reduce the thickness of the armrest body in a usage state in which the armrest body is moved forward on a seat cushion. The thickness can be increased, the depth of the concave portion of the seat back can be reduced, the strength of the hinge mechanism is not required, and a lock mechanism for supporting the armrest body in a horizontal state is unnecessary, and the appearance and economy are excellent. It is intended to provide an armrest for a vehicle.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and a vehicular armrest according to the first aspect of the present invention is in a storage state stored in a recess provided in a seat back. Armrest body provided with an armrest body rotatably mounted between the armrest body and a use state in which the armrest body is tilted forward to the seat cushion side, the armrest body is pivotally connected to an armrest bracket provided in a recess of the seatback by a pivot pin. The armrest frame is supported, a link mechanism provided before and after the armrest frame, and one end of the armrest bracket is positioned at a position rearward of a pivot pin of the armrest frame.
An operation link pivotally supported by a pivot pin of the armrest frame, the other end of which is connected to a link mechanism at a front portion of the armrest frame. It is characterized in that the thickness of the armrest main body is reduced in the storage state stored in the recess, and the thickness of the armrest main body is increased in the usage state of the armrest main body.

The vehicle armrest according to the second aspect of the present invention is mounted so as to be rotatable between a storage state stored in a concave portion provided in the seat back and a use state in which the armrest is tilted forward to the seat cushion side. In a vehicle armrest having an armrest body, the armrest body has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided on both lower sides of a concave portion of a seat back, and a front end of the armrest frame. An end of the first link is pivotally supported on the base end side of the armrest frame, and one end of a second link is pivotally supported on the other end of the first link. The other end of the link is pivotally supported by the elongated hole on the front end side of the armrest frame so as to be able to slide back and forth, and is behind the pivot pin of the armrest frame. One end of an operation link is pivotally supported by a second pivot pin on the armrest bracket, and the other end of the operation link is pivotally supported by the other end of the second link, thereby rotating the operation link and the armrest frame. As a result, the first link and the second link are operated, and the thickness of the armrest body is reduced when the armrest is stored in the recess of the seat back, and the thickness of the armrest body is increased when the armrest is used. It is characterized by the following.

A vehicle armrest according to a third aspect of the present invention is rotatably mounted between a storage state in which the armrest is stored in a recess provided in a seat back and a use state in which the armrest is tilted forward to a seat cushion side. In a vehicle armrest having an armrest body, the armrest body has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided on both lower sides of a concave portion of a seat back, and a front end of the armrest frame. An end of the first link is pivotally supported on the base end side of the armrest frame, and one end of a second link is pivotally supported on the other end of the first link. The other end of the link is pivotally supported by the elongated hole on the front end side of the armrest frame so as to be able to slide back and forth, and is behind the pivot pin of the armrest frame. One end of an operation link is pivotally supported by a second pivot pin on the armrest bracket, and the other end of the operation link is pivotally supported by the other end of the second link. The frame and the pad material are attached at a pivotal position with one end of the second link.

The vehicle armrest according to a fourth aspect of the present invention is mounted so as to be rotatable between a storage state stored in a recess provided in the seat back and a use state in which the armrest is tilted forward to the seat cushion side. In a vehicle armrest having an armrest body, the armrest body has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided on both lower sides of a concave portion of a seat back, and a front end of the armrest frame. One end of a pair of upper and lower first links is pivotally supported on the base end side of the armrest frame, and a pair of upper and lower second links is connected to the other end of the pair of upper and lower first links.
One end of each link is pivotally supported, and the other end of each of the pair of upper and lower second links is pivotally supported by a long hole on the front end side of the armrest frame so as to be slidable back and forth. One end of the operation link is pivotally supported by the second pivot pin on the armrest bracket at the rear position,
The other end of the operation link is pivotally supported by the other end of the pair of upper and lower second links, and is at a pivot position between the other end of the pair of upper and lower first links and one end of the pair of upper and lower second links. The thickness of the armrest body is reduced in the stored state in which the frame and the pad material are attached, and the operation link and the armrest frame are rotated, and the armrest body is stored in the recess of the seatback. It is characterized in that the thickness increases.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle armrest according to the present invention will be described below in detail with reference to the drawings.
FIGS. 1 to 4 each show a vehicle armrest according to the present invention. In this embodiment, a case where the present invention is applied to a rear seat as a vehicle seat will be described. However, the present invention is not limited to the rear seat. . Rear seat 11
Is a seat cushion 12 on which a plurality of occupants can sit,
A seat back 13 serving as an occupant's backrest, and a recess 14 is formed substantially at the center of the seat back 13. The arm rest main body 23 of the vehicle arm rest 21 according to the present invention is housed in the recess 14. Have been.

The vehicle armrest 21 is located on the rear side of the armrest main body 23 in a state where the armrest main body 23 is stored, and a lid rotatably supported in the concave portion 14 of the seat back 13 can be freely provided. . In the present embodiment, the seat back frame 13a is located behind the concave portion 14 of the seat back 13. However, the seat back frame 13a is not located behind the concave portion 14, and the armrest main body 23 is attached to the seat cushion. A trunk-through structure in which the vehicle room and the trunk room are communicated with each other when the vehicle is leaned forward on the rear seat 12 can be applied to the rear seat 11.

As shown in FIGS. 1 and 2, the vehicular armrest 21 has a pair of left and right armrest brackets 25 fixedly provided at lower portions on both sides of the concave portion 14 of the seat back 13. The armrest body 23 has a pair of left and right armrests. The base end 31a side of the armrest bracket 25
And a pair of left and right armrest frames 31 pivotally supported by a pair of armrest frames 31, and a pair of left and right link mechanisms 33 provided before and after the pair of left and right armrest frames 31, respectively. Note that the armrest bracket 25 is not limited to the pair provided on the left and right sides, but may be provided at the center.

The armrest main body 23 has one end 35a pivotally supported by a second pivot pin 37 on an armrest bracket 25 located at a position rearward of the pivot pin 27 on the base end 31a side of the pair of left and right armrest frames 31. A pair of left and right operation links 3 whose other ends 35b are respectively connected to a link mechanism 33 at the front part of the armrest frame 31.
5 is provided. The pair of left and right armrest frames 31, the link mechanism 33, and the operation link 35 of the armrest body 23 have the same configuration and operation, and only one of them will be described below.

An elongated hole 40 is formed on the front end side of the armrest frame 31. One end of a first link 41 of a link mechanism 33 is pivotally supported on the base end 31a side of the armrest frame 31, and the first link 41 The other end of the second link 42 is pivotally supported. This second link 4
The other end of the arm 2 is pivotally supported by a long hole 40 on the front end side of the armrest frame 31 so as to be able to slide back and forth. In the present embodiment, the first link 41 and the second link 4 of the link mechanism 33 are vertically moved around the armrest frame 31.
Although 2 is provided, one of the upper and lower sides may be omitted.

As shown in FIG. 1, the pivotal position P between the other end of the first link 41 and one end of the second link 42 corresponds to the size of the armrest body 23, and the armrest body 23 is moved up and down. The divided frame 44 and the pad material 46 are attached. The frame 44 may be frame-shaped or a panel frame.
Further, a shape holding member may be integrally provided on the back surface side of the pad material 46, and this shape holding member may be screwed to the frame 44.

The frame 44 and the pad member 46 are assembled to the link mechanism 33, and the outer periphery of the pad member 46 is covered with a skin material 48 that can expand and contract in the up-down direction. A body 23 is formed. In addition, the skin material 48 may be folded in a bellows shape so as to be expandable and contractable, or may be made expandable and contractible in the vertical direction by other appropriate means.

Next, the operation of the armrest body 23 will be described with reference to FIGS. First, as shown by the solid line in FIG. 4, when the armrest body 23 is in the housed state stored in the concave portion 14 provided in the seat back 13, the length of the armrest frame 31 and the operation link 35
Are substantially the same, the angle of the pivotal support position P between the first link 41 and the second link 42 of the link mechanism 33 is large, and the first link 41 and the second link 42 are flat. In the stored state of the armrest main body 23, the thickness L1 of the armrest main body 23 is small, and the thickness L1 of the armrest main body 23 is small.

Next, as shown by an imaginary line in FIG.
When the armrest frame 31 is pulled out to the seat cushion 12 side and the operating link 35 is substantially the same in length, the armrest bracket 25, which is the pivot position of the armrest frame 31, is substantially the same. Since the position of the pivot pin 27 of the operation link 35 is located rearward of the position of the pivot pin 27, the rotation trajectory R2 of the tip of the operation link 35 is smaller than the rotation trajectory R1 of the tip of the armrest frame 31. , Operation link 35
Becomes shorter by the length L3 at a position where is substantially horizontal.

Therefore, the second link 42 of the link mechanism 33 is moved backward by the length L3 along the elongated hole 40 on the front end side of the armrest frame 31 and moves. Since the distance between the first link 41 and the second link 42 is reduced, the angle of the pivotal position P between the first link 41 and the second link 42 is reduced, and the angle between the first link 41 and the second link 42 is reduced. The link 42 has an acute angle, and the thickness L2 of the armrest main body 23 is large when the armrest main body 23 is in use. As a result, the frame member 44 and the pad member 46 to which the link mechanism 33 is attached can be extended and contracted in the vertical direction.
8, the thickness L2 of the armrest body 23 is increased.

[0021]

The above is an embodiment of the vehicle armrest according to the present invention. According to the vehicle armrest according to the first aspect of the present invention, the armrest main body is provided at the lower portion on both sides of the concave portion of the seat back. An armrest frame pivotally supported by a pivot pin on the provided armrest bracket, a link mechanism provided before and after the armrest frame, and an armrest bracket at a position rearward of the pivot pin of the armrest frame having a second end. An operation link pivotally supported by a pivot pin and having the other end connected to a link mechanism at a front portion of the armrest frame. The link mechanism is operated by rotation of the operation link and the armrest frame, and a concave portion of the seatback is provided. The thickness of the armrest body becomes thinner in the storage state stored inside, the use of the armrest body In this state, the thickness of the armrest body is increased, so that the depth of the concave portion of the seat back can be reduced, the strength of the hinge mechanism is not required, and a lock mechanism for supporting the armrest body in a horizontal state is not required. .

According to the vehicle armrest according to the second aspect of the present invention, the base end of the armrest body is pivotally supported by the pivot pins on the armrest brackets provided at the lower portions on both sides of the concave portion of the seat back. An armrest frame, an elongated hole is formed at a front end side of the armrest frame, one end of a first link is pivotally supported at a base end side of the armrest frame, and a second link is mounted at the other end of the first link.
One end of the armrest frame is pivotally supported, and the other end of the second link is pivotally supported by an elongated hole on the front end side of the armrest frame so as to be slidable back and forth, and an armrest bracket positioned rearward of a pivot pin of the armrest frame. One end of the operation link is pivotally supported by a second pivot pin, and the other end of the operation link is pivotally supported by the other end of the second link. When the link and the second link are activated, the thickness of the armrest body is reduced in the stored state where the armrest body is stored in the recess of the seatback, and the thickness of the armrest body is increased when the armrest body is used. The depth of the recess can be reduced, and the strength of the hinge mechanism is not required.
Further, a lock mechanism for supporting the armrest body in a horizontal state is not required.

According to the vehicle armrest according to the third aspect of the present invention, the base end of the armrest main body is pivotally supported by the pivot pins on the armrest brackets provided at the lower portions on both sides of the concave portion of the seat back. An armrest frame, an elongated hole is formed at a front end side of the armrest frame, one end of a first link is pivotally supported at a base end side of the armrest frame, and a second link is mounted at the other end of the first link.
One end of the armrest frame is pivotally supported, and the other end of the second link is pivotally supported by an elongated hole on the front end side of the armrest frame so as to be slidable back and forth, and an armrest bracket positioned rearward of a pivot pin of the armrest frame. One end of the operation link is pivotally supported by a second pivot pin, the other end of the operation link is pivotally supported by the other end of the second link, and the other end of the first link and the second link Since the frame and the pad material are mounted at the pivotal position with one end of the armrest, the depth of the concave portion of the seatback can be reduced, the strength of the hinge mechanism is not required, and the armrest body is kept horizontal. The need for a supporting lock mechanism is eliminated.

According to the present invention, the thickness of the armrest main body can be reduced in the storage state where the armrest main body is stored in the recess provided in the seatback, and the thickness of the armrest main body can be reduced in the usage state in which the armrest main body is tilted forward on the seat cushion. The thickness can be increased, the depth of the concave portion of the seat back can be reduced, the strength of the hinge mechanism is not required, and a lock mechanism for supporting the armrest body in a horizontal state is unnecessary, and the appearance and economy are excellent. Vehicle armrest can be obtained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an armrest body of a vehicle armrest according to the present invention.

FIG. 2 is a partial perspective view of a frame configuration of an armrest body of the vehicle armrest according to the present invention.

FIG. 3 is an explanatory side view showing an operation state of a frame configuration of an armrest body of the vehicle armrest according to the present invention.

FIG. 4 is an explanatory side view of the vehicle armrest according to the present invention.

FIG. 5 is an explanatory side view of a rear seat showing a conventional vehicle armrest.

FIG. 6 is an explanatory side view of a rear seat showing a different conventional vehicle armrest.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Rear seat as a vehicle seat 12 Seat cushion 13 Seat back 14 Depression 21 Armrest for vehicles 23 Armrest main body 25 Armrest bracket 27 Pivot pin 31 Armrest frame 31a Base end 33 Link mechanism 35 Operation link 37 Pivot pin 40 Slot 41 1 link 42 second link 44 frame 46 pad material 48 skin material

Claims (4)

[Claims] 1. An armrest for a vehicle, comprising: an armrest body rotatably mounted between a storage state stored in a recess provided in a seatback and a use state of leaning forward to a seat cushion side. An armrest frame pivotally supported by a pivot pin on an armrest bracket provided in a recess of the seat back; a link mechanism provided before and after the armrest frame; and an armrest positioned rearward of the pivot pin of the armrest frame. The bracket has one end pivotally supported by a second pivot pin and the other end connected to a link mechanism at a front portion of the armrest frame, and the link mechanism is operated by rotation of the operation link and the armrest frame. Then, in the storage state stored in the recess of the seat back, Muresuto it is thin thickness of the body, the vehicle armrest, wherein the thickness of the armrest body is thicker in a use state of the armrest body. 2. An armrest for a vehicle comprising an armrest body rotatably mounted between a storage state stored in a recess provided in a seatback and a use state in which the armrest body is tilted forward to a seat cushion side. Has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided at the lower portion on both sides of the concave portion of the seat back, and a long hole is formed at a front end side of the armrest frame. One end of a first link is pivotally supported on the proximal end, one end of a second link is pivotally supported on the other end of the first link, and the other end of the second link is on the front end of the armrest frame. One of the operation links is pivotally supported by the long hole of the armrest frame so as to be able to slide back and forth, and the armrest bracket is positioned behind the pivot pin of the armrest frame. Is pivotally supported by a second pivot pin, the other end of the operation link is pivotally supported by the other end of the second link, and the rotation of the operation link and the armrest frame causes the first link and the second link to rotate. An armrest for a vehicle, wherein a link is actuated, the thickness of the armrest body is reduced in a stored state of being stored in the recess of the seatback, and the thickness of the armrest body is increased in a used state of the armrest body. 3. An armrest for a vehicle comprising an armrest body rotatably mounted between a storage state housed in a recess provided in a seatback and a use state of leaning forward to a seat cushion side, wherein the armrest body. Has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided at the lower portion on both sides of the concave portion of the seat back, and a long hole is formed at a front end side of the armrest frame. One end of a first link is pivotally supported on the proximal end, one end of a second link is pivotally supported on the other end of the first link, and the other end of the second link is on the front end of the armrest frame. One of the operation links is pivotally supported by the long hole of the armrest frame so as to be able to slide back and forth, and the armrest bracket is positioned behind the pivot pin of the armrest frame. There is pivotally supported by a second pivot pin, the other end of the operating link is pivotally supported to the other end of the second link, the other end of the first link and the second
An armrest for a vehicle, wherein a frame and a pad member are mounted at a pivotal position with one end of the link. 4. An armrest for a vehicle comprising an armrest body rotatably mounted between a storage state housed in a recess provided in a seatback and a use state of leaning forward to a seat cushion side, wherein the armrest body. Has an armrest frame whose base end is pivotally supported by a pivot pin on an armrest bracket provided at the lower portion on both sides of the concave portion of the seat back, and a long hole is formed at a front end side of the armrest frame. One end of a pair of upper and lower first links is pivotally supported on the base end side, and one end of a pair of upper and lower second links is pivotally supported at the other end of the pair of upper and lower first links, respectively. The other end of each of the second links is pivotally supported by a long hole on the front end side of the armrest frame so as to be able to slide back and forth, and a pivot pin of the armrest frame is provided. One end of the operation link is pivotally supported by a second pivot pin on the armrest bracket at the rear position, and the other end of the operation link is pivotally supported by the other end of the pair of upper and lower second links. A frame and a pad member are mounted at a pivotal position between the other end of the first link and one end of the pair of upper and lower second links, and are housed in the recess of the seat back by rotating the operation link and the armrest frame. An armrest for a vehicle, wherein the thickness of the armrest body is reduced in the retracted storage state, and the thickness of the armrest body is increased in the use state of the armrest body.