JP2537831Y2 - Armrest structure of vehicle door - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an armrest structure provided on a door of a vehicle or the like.

[0002]

2. Description of the Related Art Conventionally, as an armrest structure for a vehicle of this type, for example, there is one disclosed in Japanese Utility Model Application Laid-Open No. 2-112548. The technical contents disclosed in this publication are shown in FIG. A concave portion 3 is formed on the side surface of the door trim 1 on the upper side of the armrest 2 protruding from the side surface of the door trim 1, and an auxiliary armrest 4 for height adjustment is fitted in the concave portion 3 so as to be foldable and deployable. The auxiliary armrest 4 is configured to be stacked on the upper surface of the armrest 2 in the deployed state, and is provided so as to adjust the height of the armrest according to the physique and sitting posture of the occupant.

[0003]

However, in this conventional configuration, the auxiliary armrest 4 is simply stacked on the fixed existing armrest 2, and only the height direction is adjusted. The armrest is an auxiliary mechanism for stabilizing the sitting posture next to the backrest.
As shown in Fig. 2, the physiological load greatly changes depending on the position of the hand. Generally, the forearm 5 is basically positioned horizontally with respect to the body as shown in the figure. Approximately ± left and right, up and down around the elbow
It is known that the 10 ° range has a relatively small load on the muscles, which causes a problem that the above-described conventional device has a short range in the left-right direction.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and is capable of placing the forearm within a range of approximately ± 10 ° in the left, right, up and down directions around the elbow with respect to the horizontal position of the forearm. It is an object of the present invention to provide an armrest structure that can be reduced.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention provides an armrest which is divided into a plurality of arms and connected via hinge pins to form a linear storage position along the vehicle door. A configuration in which the auxiliary armrest portion is provided so as to be operable at a position protruding in a bent shape toward the indoor side, is foldable on a part of the plurality of arms, and is capable of standing at a predetermined height on the arm. Existing vehicle door armrest structure.

[0006]

With the above-mentioned structure, the armrest can be extended to the inside of the room in a bent shape and a hand can be placed thereon, so that the forearm centered on the occupant's elbow can be held in a stable state, and the muscle of the forearm can be maintained. The burden can be reduced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the accompanying drawings. In the drawing, reference numeral 11 denotes a rear door of a vehicle, for example, which comprises a door body 12 and a frame 13 for guiding a window glass. The door body 12 includes an outer panel 14 and an inner panel 15.
An opening 16 of a window glass is opened in the upper part of the window 2. An armrest 17 is attached to a predetermined position of the inner panel 15 of the door body 12.

The armrest 17 includes a bendable armrest 18, a lock mechanism 37, and an auxiliary armrest 5.
1.

Reference numeral 19 denotes a mounting frame for mounting the armrest portion 18, which is formed in a substantially U-shaped cross section and is horizontally mounted at a predetermined position of the inner panel 15 shown in FIG. A hinge plate 20 having upper and lower receiving portions 20a is mounted on the front side (left side in FIG. 2), and a pair of rail members 21 having a substantially C-shaped cross section oppose the groove portions 21a on the upper and lower sides on the rear side. At a predetermined position between the hinge plate 20 and the rail member 21, a lock checker 22 having a lock claw 22a constituting a part of a lock mechanism 37 is mounted. The armrest 18 is mounted between the hinge plate 20 and the rail member 21 thus mounted.

The armrest portion 18 is composed of two members, a front armrest 23 and a rear armrest 27. The two armrests 23, 27 are connected to each other via a hinge pin 34 so as to be bent in a substantially rectangular shape. The armrest 23 is shorter than the rear armrest 27 and has upper and lower plates 24a, 24b, a front plate 24c, and a side plate 2.
4d, the upper and lower plates 24a,
Hinge pins 33, 3 are provided at one corresponding corner of 24b.
4 are inserted through holes 25a and 25b,
A locking portion 26 for latching a torsion coil spring 36 described later is formed at a predetermined position from the rear of the inner surface of the side plate 24d.

The rear armrest 27 includes upper and lower plates 28.
a, 28b, a side plate 28c, and a rear plate 28d, the upper and lower plates 28a, 28
“b” is provided with a mounting width that connects the front armrest 23 in a fitting manner. A notch 29 is formed at a predetermined width from a rear portion of the upper plate 28a to a rear plate 28d, and a long slot 30 is formed at a predetermined position of the upper plate 28a. In addition, one of the front corners of the upper and lower plates 28a, 28b is provided with an insertion hole 2 for the front armrest 23.
An insertion hole 31a that matches with the hole 5b is penetrated, and an insertion hole 31b through which the guide pin 49 is inserted is correspondingly penetrated at the corner corresponding to the insertion hole 31b. A locking portion 32 for hooking a torsion coil spring 36 is provided at a front portion of the lower plate 28b.
Are formed. The front armrest 23 and the rear armrest 27 thus formed are connected to the hinge pin 3
4, and the front side of the front armrest 23 is pivotally attached to the hinge plate 20 via a hinge pin 33, and torsion coil springs 35, 36 are elastically attached to the hinge pins 33, 34. ing.

The torsion coil spring 35 includes a hinge pin 33
The arm pieces 35a, 35b formed at both ends thereof are formed at an angle α larger than 90 ° in a natural state, and one arm piece 35a is attached to the mounting frame. 19, and the other arm piece 3
5b is in contact with the back side of the front plate 24c of the front armrest 23. The torsion coil spring 36 is elastically attached to the hinge pin 34 and has a predetermined spring pressure.
The arm pieces 36a and 36b formed at both ends thereof are formed at an angle β smaller than 90 ° in the natural state, and one arm piece 36a is hooked on the locking portion 32 provided on the rear arm rest 27, and the other arm The piece 36b is hung on the locking portion 26 provided on the front armrest 23, and the torsion coil springs 35 and 36 thus mounted are connected to the front armrest 23 and the rear armrest 2 as shown in FIG.
7 is fitted linearly along the mounting frame 19, the arm pieces 35a and 35b of the torsion coil spring 35 are elastically compressed to an angle of about 90 °, and the torsion coil spring 36 is compressed to an angle of about 90 °.
Elastic expansion to °. A lock mechanism 37 is provided in the rear armrest 27 of the armrest portion 18 provided in this manner.

The lock mechanism 37 includes a lock shaft 38
, A guide plate 39, a lock release handle 40, and an operating rod 41. The lock shaft 38 is attached to a holder member 42 attached to a long slot 30 penetrating the upper plate 28 a of the rear armrest 27 and a corresponding lower plate 28 b. The lock shaft 38 is pivotally mounted via a pin 43, and the upper end thereof is erected at a predetermined angle on the long slot 30 so as to be tiltable at a desired angle. A rod hole 44 of the operating rod 41 is formed to extend through the hole.

A guide plate 39 is attached to a predetermined position of the upper and lower plates 28a and 28b so as to face the lock shaft 38. The guide plate 39 has an operating rod corresponding to the rod hole 44 of the lock shaft 38. An insertion hole 45 that allows the 41 to swing in a predetermined angle range is provided therethrough.

The lock release handle 40 is fitted into the notch 29 formed in the rear armrest 27 so as to be fitted into the upper plate 28a of the notch 29 via a hinge 46 so as to be shielded. At a predetermined position on the lower surface of the handle 40, a lever arm 47 is hung, and the lever arm 47 has a locking hole 47a for inserting and locking the operating rod 41 therethrough.

The thus formed lock shaft 38
The operating rod 4 is provided in the rod hole 44, the insertion hole 45 of the guide plate 39, and the locking hole 47a of the lever arm 47.
1 is inserted, and at one end of the operating rod 41, a locking head 41a for locking with the rod hole 44 is formed, and at the other end, a screw portion is screwed. A spring member 48 having a predetermined spring pressure is externally inserted between the plates 39 and elastically attached to the rod 41, and a nut is screwed into a screw portion at the other end of the rod 41, as shown in FIG. As shown in FIG. 5, the operating rod 41 is held horizontally while the notch 29 is closed by the lock release handle 40, and the lock shaft 38 is held vertically. As described above, the guide pin 48 is inserted into the upper and lower insertion holes 31b provided on the rear side of the rear armrest 27 in which the lock mechanism 37 is provided, and the upper and lower ends of the guide pin 48 are connected to the inner panel 15 side. A roller 50 that rolls in the groove 21a of the upper and lower rail members 21 attached thereto is rotatably pivoted.

The front portion of the front armrest 23 of the armrest portion 18 thus formed is pivotally attached to the receiving portion 20a of the hinge plate 20 via the hinge pin 33 and the torsion coil spring 35, and the rear side of the rear armrest 27 is a guide. The roller 50 pivotally connected to the pin 49 is a rail member 2
1, the armrest 18 is bent in a substantially rectangular shape in this state, and when the bent portion of the armrest 18 is pressed, the roller 50 is moved to the rail member 2.
1 and is displaced linearly against the torsion coil springs 35 and 36, and at the same time, the lock shaft 38 is engaged with the lock claw 22a of the lock checker 22, The armrest portion 18 is formed so as to be held linearly and used as a normal armrest.

The armrest 1 thus mounted
8 has an auxiliary armrest 51
Is installed. The auxiliary arm rest portion 51 is composed of two members, an auxiliary arm member 52 and an arm stand 53. The auxiliary arm member 52 is formed in a substantially key shape in cross section along the upper plate 28a and the side plate 28c of the rear arm rest 27. Mounting length is unlock handle 4
The arm stand 53 is formed on the edge of the upper plate 28a via a hinge 54a, and the other end is provided with an arm stand 53 via a hinge 54b. The auxiliary arm member 52 is pivotably mounted on the rear side of the rear armrest 27 via a hinge 54a so as to be foldable.
By deploying 3, the auxiliary armrest portion 51 can be erected on the rear armrest 27 and the height of the armrest portion 18 can be increased by a predetermined height.

Since the present embodiment is constructed as described above, it can be used as a normal armrest 17 in a straight state of the armrest portion 18, and from this state, as shown in FIG. , Unlock handle 40
Is operated upward against the spring member 48, the lock shaft 38 connected to the handle 40 via the operating rod 41 is tilted rearward about the pin 43. Due to this tilt, the lock shaft 38 is disengaged from the lock claw 22a of the lock checker 22, and at the same time, the front armrest 23 is restored by the restoring force of the torsion coil springs 35 and 36.
And the rear armrest 27 are connected to the front side by the rail member 2
The armrest 18 is bent and displaced via the roller 1 and the roller 50 so as to protrude and hold to a room side with a predetermined overhang width.
Generally, in the rear seat, it is difficult to maintain a stable body in the left-right direction. However, the armrest 18 is projected and held in the room with a predetermined overhang width, and a hand is placed on the armrest 18. Thus, the forearm centered on the elbow can be held in a range of an angle of ± 10 ° in the left-right direction and the up-down direction, and the burden on the muscle can be reduced.
Further, in the case of a person with a large physique, the auxiliary armrest portion 51 is erected on the rear armrest 27 and the hand is similarly placed, so that the forearm centered on the elbow is angled ± 10 ° in the left-right direction and the up-down direction. Can be held in the range, and the strain on the muscles can be reduced.

When the bent portion of the armrest portion 18 is pressed, the roller 50 moves rearward along the rail member 21 and is displaced linearly against the torsion coil springs 35 and 36. At the same time, the lock shaft 38 is engaged with the lock claw 22a of the lock checker 22, and the armrest portion 18 is held linearly to serve as a normal armrest.

The armrest 1 constructed as described above
Since the occupant 7 is provided so as to be able to protrude to the indoor side, for example, when the passenger gets off the vehicle, the occupant is forced to have an instable posture, but the armrest 17 is operated to protrude in a bent shape, so that the assisting device for the lumbar operation It is especially useful for elderly people.

In the above embodiment, the armrest 18 is divided into two parts, the front armrest 23 and the rear armrest 27. However, the present invention is not limited to this. For example, as shown in FIG. Central armrest 56 and rear armrest 5
7 and operably connected to a linear storage position and a bent overhang position, and the central armrest 56 has the same auxiliary arm member 52 and arm stand 5 as in the above embodiment.
3 may be provided with an auxiliary armrest 58 connected by hinges 54a and 54b. The auxiliary armrest 58 can be configured to be stored on the door side as shown in FIG.

[0023]

As described above, according to the present invention, the armrest is divided into a plurality of arms, and the armrests are connected to each other through hinge pins so as to be bent to the linear storage position along the vehicle door and to the cabin side. In addition to being operably provided at a position and an auxiliary armrest portion that is foldable on a part of the plurality of arms and can be erected at a predetermined height on the arms, the armrest can be placed indoors. The forearm centered on the elbow can be held in the range of ± 10 ° in the horizontal and vertical directions by placing your hand on this armrest. Can be reduced. In addition, in the case of a person with a large physique, the forearm centered on the elbow should be kept within the range of ± 10 ° in the left-right direction and the up-down direction by placing the hand on the auxiliary armrest part in the same manner. Can reduce the strain on the muscles. Also, for example, when getting off, the occupant is forced into the middle waist and becomes an unstable posture, but by operating the armrest in a bent shape, it can be used as an assisting device during middle waist, especially effective for elderly people. is there.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle door.

FIG. 2 is an exploded perspective view of the armrest.

FIG. 3 is a plan view of an armrest illustrating an operation of a torsion coil spring.

FIG. 4 is a front view of a lock mechanism.

FIG. 5 is a plan view of a lock mechanism.

FIG. 6 is a sectional view of a rear armrest provided with an auxiliary armrest portion.

FIG. 7 is a perspective view of a vehicle door showing another mode of the armrest.

FIG. 8 is a cross-sectional view showing another mode of attaching the auxiliary armrest in FIG. 7;

FIG. 9 is a diagram showing the relationship between the vertical angle of the armrest and the muscle activity in a state of sitting on a seat.

FIG. 10 is a diagram illustrating a relationship between a left-right angle of an armrest and a muscle activity level in a state of sitting on a seat.

FIG. 11 is a sectional view of a conventional armrest.

[Explanation of symbols]

 11 Door 17 Armrest 18 Armrest 23,55 Front armrest 27,57 Rear armrest 33,34 Hinge pin 56 Central armrest 51,58 Auxiliary armrest

Claims (1)

(57) [Scope of request for utility model registration] 1. A structure of an armrest provided on the indoor side of a vehicle door, wherein the armrest is divided into a plurality of arms and connected via hinge pins to form a linear storage position along the vehicle door. And a position where the auxiliary arm rest is operably provided at a position protruding in a bent shape toward the indoor side, and is foldable on a part of the plurality of arms, and an auxiliary arm rest is provided on the arm so as to be erected at a predetermined height. Armrest structure for vehicle doors.