JP3197599B2 - Armrests for vehicle seats - 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 for a vehicle seat.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open Publication No. 58-173361 discloses a right front position of a backrest sheet which is provided on a side portion of a backrest sheet and stands up from a horizontal armrest position which projects substantially horizontally forward. Describes an armrest that is rotatable while being stored in a storage recess formed therein. Further, conventionally known, Japanese Unexamined Utility Model Publication No. 63-75257 discloses that a backrest seat is provided on a side portion of a backrest seat and protrudes substantially horizontally forward from a horizontal armrest position to be positioned at a right rear side position of the backrest seat. An armrest that is rotatable while being stored in the formed storage recess is described.

[0003]

Problems to be Solved by the Invention
No. 3,361, the armrest is stored in a storage recess formed at the right front side portion of the backrest sheet, so that when the armrest is in the use position, the portions corresponding to the left and right bank portions of the backrest sheet are There is a problem that there is no storage recess to support the back of the seated person, and the corner of the recess is in contact with the shoulder and the sitting comfort is poor. Another problem is that the appearance of the product is not good in appearance. In addition, 63
Japanese Patent Application Laid-Open No.-75257 solves the problem of supporting the back of a seated person without affecting the front shape of the backrest seat even when the armrest is used, There is a problem in that it is formed at the right rear side position of the backrest sheet. That is, in a normal backrest sheet, since a skeletal frame is provided in this portion, a special device is required for the shape of the skeletal frame, and the frame of another seat cannot be shared, thereby increasing the manufacturing cost. The rear seat occupant's knee hits the storage recess, which is uncomfortable. The armrest cannot be stored due to the presence of the knees of the rear passenger near the storage recess. It is difficult to mount a back pocket, a back table, a back cover, and the like on the back surface of the backrest sheet. There are various problems that the appearance of the product is not good in appearance.

[0004]

An object of the present invention is to store an armrest in a storage recess provided only on a side surface of a backrest seat so that the basic shape (front and rear shapes) of the seat does not change even when the armrest is used. An object of the present invention is to solve the problems of the related art.

[0005]

Therefore, according to the present invention, the backrest sheet 2 is formed by standing from a horizontal armrest state which is located on the side of the backrest sheet 2 and projects substantially horizontally forward. In the armrest stored in the storage recess 29,
Even when the armrest 4 is in a horizontal armrest state, the storage recess 29 has a front shape and a rear shape of the backrest sheet 2 .
In order not to affect the change, the bank 2 of the backrest sheet 2
The armrest 4 of the vehicle seat is formed in a shape to fit the armrest 4 in the upright state at the front and rear substantially intermediate position of the side surface 28 of the vehicle 7, and the armrest 4 is horizontal with respect to the frame 9 of the backrest seat 2. Attached to the longitudinal axis tube 12 which rotates in the direction, between the longitudinal axis tube 12 and the skeletal frame 9 , when the armrest 4 is in a horizontal armrest state, the tip of the armrest 4 rotates toward the backrest sheet 2. blocking preventing member provided sheets of armrest for a vehicle, and, the
The storage recess 29 is provided with a cushion attached to the frame 9.
The cover 30 is fitted into the concave portion 32 formed in the
This is an armrest for a vehicle seat formed by this .

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
1 is a vehicle seat, 2 is a backrest seat, 3 is a seat seat,
Reference numeral 4 denotes an armrest. The armrest 4 is provided on a side portion of the backrest sheet 2 so as to protrude forward. Reference numeral 5 denotes a skeleton frame of the armrest 4. A cushion material 6 is attached to the skeleton frame 5, and an outer peripheral surface of the cushion material 6 is surrounded by a skin member 7. A lateral mounting shaft 8 is fixed to the base of the skeletal frame 5.

Reference numeral 9 denotes a frame of the backrest sheet 2.
Attachment members 10 are provided at desired positions on either one or both sides of the skeletal frame 9. The mounting member 10 includes a horizontal horizontal barrel 11 for mounting the mounting shaft 8 of the armrest 4 and a vertical barrel 12 fixed so as to intersect the horizontal barrel 11. Into the side frame 13 of the skeletal frame 9 so as to be freely rotatable only. 14
Is a fixing member for fixing the mounting member 10 in the vertical direction. The fixing member is formed of a shaft tube, and is inserted into the side frame 13 so as to be positioned on both the upper and lower sides of the vertical axis tube 12 and then fixed. An engagement projection 15 is formed on the outer peripheral surface of the lower fixing member 14,
A rotation stopper 17 provided below the longitudinal tube 12 is engaged with the engagement protrusion 15. Engaging portions 18 and 19 are formed on the end surface of the horizontal shaft cylinder 11 on the armrest 4 side, and a stopper 20 provided at the base of the mounting shaft 8 is engaged with the engaging portions 18 and 19. Reference numeral 21 denotes a notch groove formed in the horizontal shaft cylinder 11. A pin 22 is engaged with the notch groove 21, and an engaging groove 23 at the tip of the mounting shaft 8 is engaged.

Reference numeral 24 denotes a cushion material for the backrest sheet 2, and the outer periphery of the cushion material 24 is
Surrounded by 5. The backrest sheet 2 has a central backrest 26 formed at the center thereof, and left and right bank portions 27 formed on the left and right sides of the center backrest 26. A concave portion 32 capable of storing the armrest 4 is formed on a side surface 28 of the left and right bank portion 27 on the side where the armrest 4 is provided. A cover 30 is fitted into the concave portion 32, and a storage concave portion 29 is formed by the cover 30. . The cover 30 is fixed to the skeletal frame 9 by screws 31, and a flange 33 is provided around an opening of the cover 30.
The end of the skin member 25 is fixed by the flange 33. The mounting member 10 includes a horizontal cylinder 11 and a vertical cylinder 12.
Are formed integrally, but the longitudinal axis tube 12 may be divided into front and rear portions and fixed to the side frame 13 so as to be clamped from the front and rear sides.

FIGS. 8 and 9 show a second embodiment of the mounting member 10, in which a part of the side frame 13 is cut off, and the mounting member 10 is mounted therebetween. The mounting member 10 inserts the longitudinal axis tube 12 from above into a fixed shaft 35 fixed to the side frame 13, inserts and fixes the upper fixed member 14 above the fixed shaft 35, and raises and lowers the fixed shaft 35 in this state. The small-diameter portion 36 formed on the side frame 13 is fitted and fixed to the end of the side frame 13.

FIG. 10 shows a third embodiment of the mounting member 10. A fixed shaft 35 corresponding to the fixed shaft 35 of the second embodiment is fixed to the side frame 13 by a bracket 37. The vertical cylinder 12 of the mounting member 10 is mounted on the mounting member 10. Although the mounting shaft 8 of the armrest 4 is fixed to the horizontal barrel 11 in the drawing, the mounting shaft 8 may of course be fixed to the frame 5 of the armrest 4.

The armrest 4 is configured to prevent the tip of the armrest 4 from swaying in the left-right direction when in use. The bracket 37 is formed in a U-shape to fix the upper and lower portions of the fixed shaft 35, and the vertical axis tube 12 of the mounting member 10 is inserted into the fixed shaft 35. The bracket 37 has an engaging groove 42 with which the projection 41 engages when the armrest 4 is rotated from the storage recess 29 to the use position.
The fixed shaft 35 is provided with a spring 43 for urging the projection 41 to be engaged with the engagement groove 42. When the armrest 4 is pulled out from the storage recess 29 in an upright state, the projection 4
1 engages with the engagement groove 42 to prevent the distal end of the armrest 4 from swinging in the left-right direction.

14 to 17 show that a projection 44 is provided on a portion of the bracket 37 that is off the rotation locus of the mounting member 10, and that the armrest 4 is turned from the standing state to the armrest position on the armrest 4 side. An engaging plate 45 that engages with the projection 44 is provided. The configuration for preventing the distal end of the armrest 4 from swinging in the left-right direction can be adopted in any of the above embodiments.

[0013]

Next, the operation will be described. The lower fixing member 14 is inserted into the side frame 13 of the skeletal frame 9 of the backrest sheet 2, fixed by welding at a predetermined position, and then the longitudinal axis tube 12 of the mounting member 10 is inserted into the side frame 13. Then, the fixing member 14 is positioned above the inserted vertical cylinder 12 and fixed by welding. Then, the cushion member 25 surrounded by the skin member 26 is attached to the skeletal frame 9, and a cover 32 is formed in the concave portion 32 formed in the cushion member 25. 3
0 is fitted to form a storage recess 29 of the armrest 4. Therefore, the concave portion 3 is formed on the side surface 28 of the cushion material 24.
2, the cover 30 is provided in the recess 32.
Are fitted, so that the inside of the concave portion 32 need not be covered with the skin member 25, but may be located on the inner periphery inside the concave portion 32, and the end of the skin member 25 can be concealed by the flange portion 33 of the cover 30. The troublesome sewing of the skin member 25 can be omitted, the assembly becomes very easy, and the appearance is improved.

When the mounting shaft 8 of the armrest 4 is inserted into the horizontal barrel 11 of the mounting bracket 10 facing the storage recess 29, the pin 22 engages with the engaging groove 23 at the tip of the mounting shaft 8. The mounting of the armrest 4 is completed.

Thus, the armrest 4 is moved to the backrest sheet 2.
Of the mounting member 10 rotates with respect to the side frame 13 of the skeletal frame 9, and the rotation stopper 17 of the vertical tube 12 comes into contact with the engagement protrusion 15,
The armrest 4 is located on the side of the backrest sheet 2 while standing up. Next, when the tip of the armrest 4 is tilted forward, the mounting shaft 8 of the armrest 4 is rotated with respect to the horizontal barrel 11 of the mounting member 10, and the stopper 20 of the mounting shaft 8 is engaged with the engaging portion 19 of the horizontal barrel 11. , Restricting the forward tilting rotation of the armrest 4 to bring the armrest 4 into a substantially horizontal use state,
Armrest 4 is used as an armrest.

In this case, the storage recess 29 is provided in the armrest 4.
Since the opening is formed in the side surface 28 of the left and right bank portion 27 on the side where the armrest 4 is provided, even if the armrest 4 is pulled out, the shape of the front surface of the backrest sheet 2 does not change. The armrest 4 can be used without contacting the left and right bank portions 27 without impairing the cushion effect of the backrest sheet 2.

Further, since the storage recess 29 is formed to be opened in the side surface 28 of the left and right bank portions 27, the armrest 4
, The shape of the rear surface of the backrest seat 2 does not change, so that there is no effect on the occupant of the rear seat of the vehicle seat 1.

On the other hand, when the end of the armrest 4 in the substantially horizontal use state is lifted upward, the armrest 4 pivots backward about the mounting shaft 8 and the notch groove 2 of the mounting shaft 8 is turned.
1 comes into contact with the engaging portion 18 of the horizontal shaft cylinder 11 so that the armrest 4
When the armrest 4 is rotated in this state, the armrest 4 is rotated by the rotation of the longitudinal axis tube 12 and is stored in the storage recess 29 of the backrest sheet 2.

Accordingly, even in the retracted state, a relatively large space is formed between the front, rear, left and right vehicle seats.

Further, since the armrest 4 is located in the storage recess 29 of the left and right bank portions 27 of the backrest sheet 2 in the standing position, the stored armrest 4 can be easily reached even by a person sitting in the front seat. , So that it can be easily replaced and used as an armrest. Further, since the storage recess 29 is formed by fitting the cover 30 into the recess 32 formed in the cushion material 25, even when the armrest 4 is put in and out of the storage recess 29, the skin member 7 of the armrest 4 and the backrest can be used. Since the skin member 26 of the sheet 2 does not slide, it can be easily operated. In addition, storage recess 2
9 is formed by opening the side surfaces 28 of the left and right bank portions 27 on the side where the armrest 4 is provided. Therefore, the bank portion 27 is present in front of the storage recess 29, and when the armrest 4 is pulled out, the side surface of the bank portion 27 is formed. , The arm rest 4 can be used in a stable state.

Since the engaging groove 42 is formed in the bracket 37 on which the mounting member 10 is mounted, and the projection 41 is provided at the lower end of the longitudinal axis tube 12 of the mounting member 10, the armrest 4 is stored in the recess. When pulled out from the position 29, the projection 41 engages with the engagement groove 42, and prevents the tip of the armrest 4 from swinging in the left-right direction. Also in the embodiment of FIGS. 14 and 15, when the armrest 4 is rotated from the standing state to the armrest position, the engaging plate 45 engages with the projection 44 on the bracket 37 side, and the tip of the armrest 4 swings in the left-right direction. To prevent

[0022]

According to the present invention, there is provided an armrest which is located on a side portion of the backrest sheet 2 and which stands up from a horizontal armrest state which projects substantially horizontally forward and is stored in a storage recess 29 formed in the backrest sheet 2. The storage recess 29 is provided between the front and rear sides 28 of the bank portion 27 of the backrest sheet 2 so as not to affect the change of the front and rear shapes of the backrest sheet 2 even when the armrest 4 is in a horizontal armrest state. Since the armrest of the vehicle seat is formed in a shape to be fitted with the armrest 4 in the standing position,
Even when the armrest 4 is in the horizontal armrest position in use, the front shape of the backrest sheet 2 does not change. Therefore, the backrest of the seated person is supported and the sitting comfort is not reduced. The armrest 4 is accommodated in the accommodating recess 29 at a substantially middle position between the front and rear sides of the side surface 28 of the bank portion 27 of the backrest seat 2, so that the armrest 4 can be pulled out and accommodated without interfering with the back of the seated person and the knees of the rear seat occupant. Operability is improved. Since the storage recess 29 is formed at a substantially intermediate position between the front and rear sides 28 of the side wall 28 of the bank portion 27 of the backrest sheet 2, it has no effect on the shape of the skeleton frame 9 of the backrest sheet 2, and does not have the armrest 4. It can be shared with the frame 9, lowers the manufacturing cost, and is very easy to implement. Even when the armrest 4 is used in the horizontal armrest position, the shape of the rear surface of the backrest sheet 2 does not change.
Mounting of the back table, back cover, etc. is easy.

Further, according to the present invention, the armrest 4 is attached to a longitudinal axis tube 12 which rotates in the horizontal direction with respect to the frame 9 of the backrest sheet 2, and the armrest 4 is disposed between the longitudinal axis tube 12 and the frame 9. The armrest 4 is provided as a vehicle seat armrest provided with a blocking member for preventing the tip of the armrest 4 from rotating toward the backrest seat 2 when the armrest 4 is in a horizontal armrest state. When the armrest 4 is turned, the tip of the armrest 4 is prevented from swinging toward the occupant by the blocking member between the longitudinal axis tube 12 and the skeletal frame 9.

Further, according to the present invention, the storage recess 29 is provided at the front.
Formed on the cushion material 25 attached to the frame 9
Vehicle formed by fitting cover 30 to recessed recess 32
Recess 3
The inside of the skin member 25 may be located on the inner periphery of the concave portion 32 without being covered with the skin member 25, and the end of the skin member 25 can be concealed by the flange 33 of the cover 30. Can be omitted, the assembly becomes very easy, and the appearance is improved. This has the effect.

[Brief description of the drawings]

FIG. 1 is an operational view of an armrest according to the present invention.

FIG. 2 is an exploded perspective view.

FIG. 3 is a perspective view of a mounting member.

FIG. 4 is a perspective view of the same.

FIG. 5 is a plan view of a fixing member.

FIG. 6 is a sectional view.

FIG. 7 is a partial cross-sectional perspective view of a main part.

FIG. 8 is a perspective view of a second embodiment.

FIG. 9 is a longitudinal sectional side view of the same.

FIG. 10 is a perspective view of a third embodiment.

FIG. 11 is a perspective view of a fourth embodiment.

FIG. 12 is a front view of the same.

FIG. 13 is an operation state diagram.

FIG. 14 is a perspective view of a fifth embodiment.

FIG. 15 is an operation state diagram.

FIG. 16 is a perspective view of a sixth embodiment.

FIG. 17 is an operation state diagram.

[Explanation of symbols]

1 ... vehicle seat, 2 ... back seat, 3 ... seat seat,
4 armrest, 5 skeleton frame, 6 cushion material, 7 skin member, 8 mounting shaft, 9 skeleton frame, 1
0: mounting member, 11: horizontal axis cylinder, 12: vertical axis cylinder, 13: side frame, 14: fixing member, 15: engagement projection, 17: rotation stopper, 18, 19: engagement section, 20 ... Stopper, 21 ...
Notch groove, 22 ... Pin, 23 ... Engagement groove, 24 ... Cushion material, 25 ... Skin member, 26 ... Central backrest, 27 ... Right and left bank, 28 ... Side wall, 29 ... Storage recess, 30 ... Cover, 3
DESCRIPTION OF SYMBOLS 1 ... screw, 32 ... recessed part, 33 ... flange part, 35 ... fixed shaft, 3
6 ... small diameter portion, 37 ... bracket, 41 ... projection, 42 ... engagement groove, 44 ... projection, 45 ... engagement plate.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47C 7/54 B60N 2/46

Claims (3)

(57) [Claims] 1. An armrest which is located on a side portion of the backrest sheet 2 and is stood up from a horizontal armrest state which projects substantially horizontally forward and is housed in a housing recess 29 formed in the backrest sheet 2. The recess 29 is provided so that the backrest sheet 2 does not affect the change of the front and rear shapes of the backrest sheet 2 even when the armrest 4 is in a horizontal armrest state.
An armrest of a vehicle seat formed in a shape to be fitted with the armrest 4 standing upright at a substantially middle position in the front-rear direction of the side surface 28 of the bank portion 27. 2. The armrest 4 according to claim 1, wherein said armrest 4 is attached to a vertical axis tube 12 which rotates in a horizontal direction with respect to a frame 9 of said backrest seat 2. And an armrest for a vehicle seat provided with a blocking member for preventing the tip of the armrest 4 from rotating toward the backrest seat 2 in a horizontal armrest state . 3. The method according to claim 1, wherein
The storage recess 29 is provided with a cushion attached to the frame 9.
The cover 30 is fitted into the concave portion 32 formed in the
Armrest for vehicle seats formed by this .