JP2001169858A - Seat for car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate assembling, building, and operations, to improve a method for utilizing seats, and to improve added values of commercial products. SOLUTION: One side bracket 11 is provided for one of left and right backrest frames 10, while the other side bracket 13 is provided for the other one of the frames 10. One of the ends of a left and right oriented armrest mount rod 14 extending sideward is fixed to any one of the brackets 11, 13, and an armrest frame 8 is rotatably held on the mount rod 14 by means of a pair of left and right side frames 20 and a fixing plate 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat provided with an armrest which can be used as an armrest by falling on a seat from the same standing state as a backrest seat.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open Publication No. 64-35953 discloses a backrest seat in which a vertically long recess is formed, and the backrest seat is used as a stored state and an armrest that falls down on a seat. An armrest that undulates during use is described. Also, Japanese Utility Model Publication No. 7-29008 describes a configuration in which a backrest sheet is divided into left and right sides to fall forward.

[0003]

Of the known examples described above, the one disclosed in Japanese Utility Model Laid-Open Publication No. 64-35953 has a specific mounting configuration unknown, but protrudes laterally on both sides of the armrest. In many cases, a horizontal axis is provided, and the horizontal axis is mounted on the left and right brackets. In this configuration, either the horizontal axis or the bracket must be attached later, and there is a problem that the mounting is troublesome. Further, in the known example, since the armrest is simply used as an armrest, there is a problem that the purpose of use of the seat is limited. Further, among the known examples described above, the one described in Japanese Utility Model Publication No. 7-29008 has a frame mounted on a horizontal shaft provided on the vehicle body side. Since it passes through the shaft, there is a problem that the assembling work is also troublesome. Further, in the known example, since the backrest sheet is simply tilted forward, there is a problem that even if the seat is tilted forward, the upper surface is inclined and it is difficult to use the armrest as an armrest. However, if the way of attaching the armrest frame of the armrest is devised, the assembly becomes easy, and an armrest that can be used as a splittable backrest seat can be provided.

[0004]

The object of the present invention is to facilitate assembling and assembling, facilitating work, expanding the use of seats, and improving the added value of products.

[0005]

According to the present invention, one of the left and right backrest side frames 10 of the pair of right and left backrest side frames 10 of the backrest frame 7 has a one-side bracket 11 attached thereto. The other backrest side frame 10 is provided with the other side bracket 13 respectively, and one of the one side bracket 11 or the other side bracket 13 is provided with one end of a laterally extending armrest mounting lateral rod 14 extending laterally. Fixed,
A pair of left and right side frame portions 20 of the armrest frame 8 and the fixing plate 2
4 is a vehicle seat that is rotatably sandwiched between the vehicle seat and the vehicle seat. The present invention is characterized in that one of the one-side bracket 11 or the other-side bracket 13 to which the armrest mounting horizontal rod 14 is not fixed is rotatably mounted to the seat frame 6 by the one-side reclining device 12, At the other end of the horizontal rod 14, a horizontal rod bracket 15 is provided, and the horizontal rod bracket 15 is used as a vehicle seat that is rotatably attached to the seat frame 6 by the other-side reclining device 16. In the present invention, a skeletal frame 5 composed of a seat frame 6 and a backrest frame 7 is separately provided on the side of the side on which the lateral rod bracket 15 is provided, and the armrest frames 8 are respectively provided on the left and right skeletal frames 5. And a vehicle seat provided between the backrest frames 7. According to the present invention, the armrest mounting horizontal rod 14 is provided with a cushioning member 28 formed of synthetic resin or the like, and the outer periphery of the cushioning member 28 is
The vehicle seat is sandwiched between the mounting recess 23 provided in one of the fixing plate 24 and the fixing plate 24 and the other. The present invention relates to the armrest frame 8
A vehicle seat provided with a locking device 38 for holding the armrest frame 8 in an upright state between the backrest frame 7 and the backrest frame 7.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Is a vehicle seat, which is constituted by a seat 2 and a backrest seat 3, and provided at an intermediate position of the backrest seat 3 with an armrest 4 which can be raised and lowered. In the embodiment, the seat 2 and the backrest 3 are formed by being divided into right and left, respectively.
Therefore, the armrest 4 is located on the center side of the divided backrest sheet 3.

FIG. 3 shows a skeleton frame 5 of the vehicle seat 1 having one armrest 4 divided into right and left.
The skeletal frame 5 includes a seat frame 6 and a backrest frame 7
And the armrest frame 8, and the seat frame 6 has the same width as the combined left and right width of the backrest frame 7 and the armrest frame 8.

The structures of the seat frame 6 and the backrest frame 7 are arbitrary, but the backrest frame 7 has a pair of right and left backrest side frames 10 and a backrest on the side opposite to the armrest frame 8. One side bracket 11 is provided on the side frame 10, and the one side bracket 11 is attached to the seat frame 6 by the one side reclining device 12. The other side bracket 13 is provided on the backrest side frame 10 on the side of the armrest frame 8, and one end of a lateral armrest mounting horizontal rod 14 extending laterally is fixed to the other side bracket 13, and the armrest mounting side Rod 14
Is fixed to the other end of the vehicle, and the horizontal rod bracket 15 is attached to the seat frame 6 by the reclining device 16 on the other side. Therefore, the backrest frame 7 includes not only the backrest side frame 10 but also the armrest mounting lateral rod 14 and the lateral rod bracket 15.

The armrest frame 8 is formed in a quadrangular shape by a pair of side frame portions 20 and an upper frame 21 and a lower frame 22 provided on the upper and lower portions of the side frame portion 20, and the backrest frame is formed. 7 and has the same height.

Each side frame portion 20 is formed in the shape of a vertical plate in the front-rear direction or provided with a vertical plate-shaped bracket (not shown). A concave portion 23 is formed, the mounting concave portion 23 is fitted to the armrest mounting horizontal rod 14 from the front side, and a fixing plate 24 is mounted to the side frame portion 20 from the rear side of the armrest mounting horizontal rod 14. The armrest mounting horizontal rod 14 is sandwiched between the unit frame portion 20 and the fixing plate 24, and the armrest frame 8 is rotated around the armrest mounting horizontal rod 14 in the front-rear direction.

The armrest mounting horizontal rod 14 is provided with a cushioning member 28 made of synthetic resin or the like, and the outer periphery of the cushioning member 28 is sandwiched between the side frame portion 20 and the fixing plate 24. The cushioning member 28 has flanges 30 formed on both sides of a tubular portion 29 between the left and right sides, and the tubular portion 29 and the flange 3
0 is formed with a cut 31 parallel to the axial direction and fitted to the outer periphery of the armrest mounting horizontal rod 14 (note that the cut 31 may be eliminated and inserted into the armrest mounting horizontal rod 14 in advance. ).

In this case, the cylindrical portion 29 is provided with the mounting recess 23.
It is preferable that the left and right widths are equal to each other so that the left and right flange portions 30 can be prevented from contacting the side surfaces of the side frame portions 20 and shifting left and right. The fixing plate 24 also has a vertical ridge 32 protruding forward at the center thereof.
It is preferable that the second member 2 is located between the flange portions 30 because the left and right displacement of the cushioning member 28 can be prevented from the rear side. The mounting recess 23 may be formed in the fixing plate 24 instead of the side frame 20.

An arc-shaped guide hole 34 is formed in a side plate portion (bracket) 33 of the side frame portion 20 around the axis of the arm rest mounting horizontal rod 14, and an engagement pin 35 is provided in the guide hole 34. And the engaging pin 35 is fixed to the other side bracket 13 and the lateral rod bracket 15, respectively.

The side plate 33 is provided with a lock device 38 for holding the armrest frame 8 in an upright state. The locking device 38 has an engagement hook 39 that engages with the engagement pin 35 attached to the side plate 33 by a shaft 40, and locks one end of a spring 41 to the engagement hook 39, and the other end of the spring 41 is The intermediate operation transmitting member 42 is engaged with an intermediate operation transmitting member 42 provided on the side of the mating hook 39, and the intermediate operation transmitting member 42 is
3 and the intermediate operation transmitting member 42 has an operation rod 4
4 is attached, and an operation member 45 is attached to an upper portion of the operation rod 44. An upper portion of the operation member 45 is attached to the upper frame 2.
1 is made to protrude above the bracket 46 provided. The operating rod 44 is inserted into a gap inside the cushion material 47. 48 is a guide member provided on the bracket 46.

The backrest frame 7 is rotatably mounted on the seat frame 6 by the one-side reclining device 12 and the other-side reclining device 16, and the armrest frame 8 is independent of the seat frame 6. The backrest frame 7 is rotatably mounted independently on the armrest mounting horizontal rod 14. Therefore, not only can the armrest frame 8 be tilted, but also the armrest frame 8 can be tilted integrally with the backrest frame 7.

The one-side reclining device 12 and the other-side reclining device 16 provided on both left and right sides of the backrest frame 7 are rotatably mounted on the intermediate bracket 51 for reclining by the upper shaft 50, respectively. Configured to act as a reclining mechanism,
The backrest frame 7 and the armrest frame 8 are rotated about the upper shaft 50 with respect to the intermediate bracket 51 for the lycra (the seat frame 6) so as to be locked at an arbitrary inclined position.

Further, the lower part of the intermediate bracket 51 for reclining is rotatably mounted on a lower reclining mechanism 53 by a lower shaft 52, and the backrest frame 7 and the armrest frame 8 are centered on the lower shaft 52 with respect to the seat frame 6. It is also possible to provide a so-called double reclining mechanism that is configured to rotate and lock at an arbitrary inclined position, and to rotate about two rotation centers of the upper shaft 50 and the lower shaft 52. And increase the added value of products.

In this case, the position of the armrest mounting horizontal rod 14, which is the center of rotation of the armrest frame 8, may coincide with the upper shaft 50, but as shown in FIG. , Upper shaft 50, lower shaft 52
, Or when the upper shaft 50, the armrest mounting horizontal rod 14, and the lower shaft 52 are arranged in this order from above as shown in FIG. 7, various seat arrangements are possible.

Thus, the conventional armrest has a configuration in which a vertically long concave portion is formed in the backrest seat and is stored in the concave portion. In this embodiment, the armrest can be folded over on the seat 2 as an armrest. The name "armrest" in that it can be used
The armrest 4 has a left and right width of the backrest sheet 3.
Although it is narrower, but the height is the same as the backrest sheet 3, it can be used as the splittable backrest sheet 3, and is not limited to the embodiment by the name or the like. May be provided as a splittable backrest sheet 3 at one of the left and right sides of the backrest sheet 3 instead of at the left and right intermediate position of the backrest sheet 3.

[0020]

Next, the operation will be described. One side bracket 11 is attached to the backrest side frame 10 on one side of the backrest frame 7,
The other side bracket 10 is attached to the other backrest side frame 10.
3, one end of a lateral armrest mounting horizontal rod 14 extending laterally is fixed to the one side bracket 11 or the other side bracket 13, and a pair of left and right armrest frames 8 is attached to the armrest mounting horizontal rod 14. Mounting recess 23 having an open rear side provided in the side frame portion 20 of FIG.
Are fitted from the front side, and the fixing plate 24 is attached to the side frame portion 20 from the rear side of the armrest attaching horizontal rod 14, so that the side frame portion 20 and the fixing plate 24 sandwich the armrest attaching horizontal rod 14. Then, the armrest frame 8 rotates about the armrest mounting horizontal rod 14.

In this case, the mounting of the armrest frame 8 is very easy, since it is only required to fit the armrest mounting horizontal rod 14 from the front side. That is, when the armrest frame 8 is mounted on the horizontal axis, the right and left sides are individually performed, so that the working posture of the armrest frame 8 is not stable, and there is human labor not only for the mounting work but also for supporting. However, if the armrest frame 8 is mounted after being fitted to the armrest mounting horizontal rod 14, the posture of the armrest frame 8 at the time of work becomes stable and very easy.

The armrest mounting horizontal rod 14 is provided with a cushioning member 28 made of synthetic resin or the like, and the outer periphery of the cushioning member 28 is sandwiched between the side frame 20 and the fixing plate 24. The rotation of the armrest frame 8 is smooth, and generation of abnormal noise is also prevented. In this case, the cushioning member 28 is formed by providing the flange portions 30 on both sides of the cylindrical portion 29 having substantially the same width as the left and right widths of the mounting concave portion 23, so that the flange portions 30 contact the side surfaces of the side frame portion 20. It is preferable because it can be prevented from touching and shifting left and right. In addition, since the fixing plate 24 has a central portion formed in the vertical protruding portion 32 protruding toward the front side substantially the same as the left and right width of the cylindrical portion 29, the vertical protruding portion 32 is formed between the flange portions 30. Is located at
This is preferable because the left and right displacement of the buffer member 28 can be prevented from the rear side.

The side plate portion 3 of the side frame portion 20
3 is provided with an arc-shaped guide hole 34 centered on the axis of the armrest mounting horizontal rod 14, an engagement pin 35 is engaged with the guide hole 34, and the engagement pin 35 is When the armrest frame 8 is raised and lowered, the guide holes 34 are guided by the engagement pins 35 so as to be raised and lowered more smoothly because the armrest frame 8 is fixed to the rod brackets 15.

The side frame 20 has a lock device 38 for holding the armrest frame 8 in an upright state.
Is provided, the standing posture is maintained even when a load that causes the armrest frame 8 to fall forward is applied. In this case, when the operation member 45 is pulled upward, the intermediate operation transmission member 42 is rotated around the shaft 43 via the operation rod 44,
The intermediate operation transmitting member 42 pulls the spring 41, and the spring 41 pivots the engaging hook 39 to be disengaged from the engaging pin 35 to be in an unlocked state, and the armrest frame 8 is tilted forward. When the armrest frame 8 is raised, the engagement hook 39 is engaged with the engagement pin 35 by the elastic force of the spring 41.

Since the armrest frame 8 is independently and rotatably mounted around the armrest mounting horizontal rod 14 of the backrest frame 7, the upper surface of the armrest frame 8 is substantially flat when the armrest frame 8 is tilted forward. It is flat and can be used comfortably as an armrest. That is, since the armrest frame 8 is independently and rotatably mounted on the armrest mounting horizontal rod 14 of the backrest frame 7, the position of the armrest mounting horizontal rod 14 is adjusted by the rotation of the backrest frame 7. The armrest frame 8 can be provided at a predetermined position above the center, so that the armrest frame 8 can be comfortably used as an armrest when the armrest frame 8 is in the forwardly inclined state.

The armrest frame 8 is formed at the same height as the backrest frame 7 and the armrest 4 is provided on the side of the backrest sheet 3 and is not stored in the recess of the backrest sheet 3 as in the conventional case. When the armrest 4 is folded down, an opening that communicates with the rear side by the width of the armrest 4 can be formed. With the seat arrangement, the indoor space can be effectively used. When the armrest 4 is raised, it can be used integrally with the backrest sheet 3. , Improve sitting feeling.

Since the armrest frame 8 is independently and rotatably mounted on the armrest mounting horizontal rod 14 of the backrest frame 7 independently of the seat frame 6, the armrest frame 8 of the backrest frame 7 can be rotated. The horizontal rod bracket 15 is also provided on the frame 8 side.
Is rotatably attached to the seat frame 6 by the other-side reclining device 16. That is, the backrest frame 7
Is the backrest side frame 1 on the side opposite to the armrest frame 8
Numeral 0 is attached to the seat frame 6 by the one-side reclining device 12, the armrest mounting horizontal rod 14 is mounted to the other bracket 13 of the backrest side frame 10 on the armrest frame 8 side, and the end of the armrest mounting horizontal rod 14. Is mounted on the seat frame 6 by the reclining device 16 on the other side, so that the left and right sides of the backrest frame 7 are seat frames 6 on both sides.
That is, it is mounted to be rotatable.

Therefore, the one-side reclining device 1
2 and the other-side reclining device 16 are simultaneously operated, the backrest frame 7 and the armrest frame 8 fall forward integrally, and can be adjusted to a desired inclination angle.
Extremely improved operability. In this case, when one of the one-side reclining device 12 and the other-side reclining device 16 is operated, the other is operated, and if both are connected by a wire or the like so that they are linked, the operability is improved, It is suitable. Further, the backrest frame 7 is locked by the left and right one-side reclining devices 12 and the other-side reclining device 16, so that it is securely supported.

Since the backrest frame 7 is provided with the one-side reclining device 12 and the other-side reclining device 16 on both the left and right sides including the armrest frame 8, the one-side reclining device 12 and the other-side reclining device 16 are provided. Are rotatably attached to the intermediate bracket 51 for lycra by an upper shaft 50, and the lower portion of the intermediate bracket 51 for lycra is rotatably attached to the seat frame 6 by a lower reclining mechanism 53 by a lower shaft 52.

Therefore, the backrest frame 7 and the armrest frame 8 can be formed as a so-called double reclining mechanism that rotates about two rotation centers of the upper shaft 50 and the lower shaft 52, thereby increasing the width of the seat arrangement and adding value to the product. Improve. In this case, since the armrest frame 8 is formed at the same height as the backrest frame 7, the indoor space can be effectively used with the seat arrangement.

On the side of the side where the horizontal rod bracket 15 is provided, a skeletal frame 5 composed of a seat frame 6 and a backrest frame 7 is separately provided. Are provided between the respective backrest frames 7, so that the armrest frame 8
While being provided at an intermediate position between the left and right backrest sheets 3, it can be tilted forward together with one of the backrest sheets 3 and can be adjusted to a desired inclination angle, thereby greatly improving operability and improving seat arrangement. Increase the breadth and enhance the added value of products.

[0032]

According to the present invention, one of the right and left backrest side frames 10 of the pair of left and right backrest side frames 10 of the backrest frame 7 is provided with one bracket 11 and the other backrest side. The other side brackets 13 are provided on the unit frame 10 respectively,
The one side bracket 11 or the other side bracket 13
One end of a lateral armrest mounting horizontal rod 14 extending laterally is fixed to any one of the armrest mounting horizontal rods 14, and a pair of left and right side frame portions 20 of the armrest frame 8 and a fixing plate 24 are fixed to the armrest mounting horizontal rod 14. The armrest frame 8 can be mounted on the armrest mounting horizontal rod 14 from the front side only, so that the vehicle seat is rotatably held by the vehicle seat.
Also, since the armrest frame 8 is independently and rotatably mounted around the armrest mounting horizontal rod 14,
The position of the armrest mounting horizontal rod 14 is adjusted to the backrest frame 7.
The armrest frame 8 can be set at a comfortable use position as an armrest when the armrest frame 8 is in the forwardly inclined state. The present invention is characterized in that one of the one-side bracket 11 or the other-side bracket 13 to which the armrest mounting horizontal rod 14 is not fixed is rotatably mounted to the seat frame 6 by the one-side reclining device 12, The other end of the horizontal rod 14 is provided with a horizontal rod bracket 15, and the horizontal rod bracket 15 is a vehicle seat that is rotatably attached to the seat frame 6 by the other-side reclining device 16. When the one-side reclining device 12 and the other-side reclining device 16 are operated at the same time, the backrest frame 7 and the armrest frame 8 integrally fall forward, and can be adjusted to a desired inclination angle. Improve. In the present invention, a skeletal frame 5 composed of a seat frame 6 and a backrest frame 7 is separately provided on the side of the side on which the lateral rod bracket 15 is provided, and the armrest frames 8 are respectively provided on the left and right skeletal frames 5. Therefore, the armrest frame 8 is provided at an intermediate position between the left and right backrest seats 3 and integrally with one of the backrest seats 3. It can be tilted and adjusted to a desired angle of inclination, greatly improving operability, widening the range of seat arrangements, and improving the added value of products. In the present invention, the armrest mounting lateral rod 14 is provided with a cushioning member 28 formed of synthetic resin or the like, and the outer periphery of the cushioning member 28 is provided on one of the side frame portion 20 and the fixing plate 24. Since the vehicle seat is sandwiched between the vehicle recess 23 and one of the other, the rotation of the armrest frame 8 is made smooth to prevent generation of abnormal noise. The present invention is a vehicle seat provided with a lock device 38 for holding the armrest frame 8 in an upright state between the armrest frame 8 and the backrest frame 7. The standing posture is maintained even when a load is applied.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a skeleton frame having an armrest frame.

FIG. 3 is a perspective view of a mounting portion of the armrest frame.

FIG. 4 is a side view of an engagement hook and an intermediate operation transmission member of the lock device.

FIG. 5 is a perspective view of an operation member of the lock device.

FIG. 6 is a sectional view of the same.

FIG. 7 is an explanatory view of a seat arrangement.

FIG. 8 is an explanatory view of another embodiment of the seat arrangement.

9 is a perspective view of a mounting portion of the reclining device of the embodiment of FIG.

[Explanation of symbols]

1 ... vehicle seat, 2 ... seat seat, 3 ... back seat,
DESCRIPTION OF SYMBOLS 4 ... Armrest, 5 ... Frame, 6 ... Seat frame, 7 ... Backrest frame, 8 ... Armrest frame, 10 ... Backrest side frame, 11 ... One side bracket, 12 ... One side reclining device, 13 ... Bracket on the other side, 14: horizontal rod for mounting an armrest, 15: bracket for a horizontal rod, 16: reclining device on the other side, 20
... side frame part, 21 ... upper frame, 22 ... lower frame, 23 ... mounting concave part, 24 ... fixing plate, 2
8 buffer member, 29 cylinder part, 30 flange part, 31 break, 32 vertical ridge part, 33 side plate part, 34 guide hole,
35 engagement pin, 38 locking device, 39 engagement hook, 40 shaft, 41 spring, 42 intermediate transmission member,
43 ... shaft, 44 ... operating rod, 45 ... operating member, 46
... Bracket, 47 ... Cushion material, 48 ... Guide member, 50 ... Upper shaft, 51 ... Intermediate bracket for Licra, 5
2. Lower shaft, 53: Lower reclining mechanism.

Claims (5)

[Claims] 1. A bracket 11 is attached to one of the left and right backrest side frames 10 of a pair of left and right backrest side frames 10 of the backrest frame 7, and the other backrest side frame is used. 10, one end of a left-right armrest mounting horizontal rod 14 extending laterally is fixed to one of the one bracket 11 and the other bracket 13, and the armrest mounting horizontal rod 1
Reference numeral 4 denotes a vehicle seat rotatably held between a pair of left and right side frame portions 20 of the armrest frame 8 and a fixing plate 24. 2. The seat frame 6 according to claim 1, wherein one of the one-side bracket 11 and the other-side bracket 13 to which the armrest mounting horizontal rod 14 is not fixed is rotatable by the one-side reclining device 12. At the other end of the armrest mounting horizontal rod 14, a horizontal rod bracket 15 is provided, and the horizontal rod bracket 15 is attached to the seat frame 6 by the other-side reclining device 16.
A vehicle seat that is rotatably mounted on a vehicle. 3. The skeletal frame 5 according to claim 1 or 2, further comprising a seat frame 6 and a backrest frame 7 on the side of the side where the lateral rod bracket 15 is provided.
A vehicle seat provided with the armrest frame 8 provided between the respective backrest frames 7 of the left and right skeleton frames 5. 4. The method according to claim 1, 2 or 3.
In the above, the armrest mounting horizontal rod 14 is provided with a cushioning member 28 made of synthetic resin or the like.
8 is a vehicle seat in which the outer periphery of 8 is held between one of the side frame portion 20 and the fixing plate 24 and one of the mounting concave portions 23 provided on the other. 5. The vehicle seat according to claim 4, wherein a lock device for holding the armrest frame in an upright state is provided between the armrest frame and the backrest frame.