JPS6328818B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat for an automobile or the like that includes a seat cushion and a seat bag attached to the rear end of the seat cushion.

In conventional automobile seats, the seat itself can be slid forward and backward relative to the automobile floor panel, and the inclination angle of the seat back can be freely adjusted using a reclining mechanism. There is. However, when driving a car, such as when passing through a sharp curve, the occupants are often shaken from side to side, creating an unstable and dangerous situation inside the car. There are seats, such as seat backs, whose so-called sleeve portions, that is, both side portions, are curved to a certain extent, but if the curvature of both side portions is made large, the occupant will be in a constant state of tightness, making it uncomfortable when resting. In addition, if the curved portion is made small, the suppression in the left and right direction does not work, and the size of the curved portion varies depending on the physique of the occupant, so it is difficult to obtain the curved portion in an optimal state. Ta.

The object of the present invention is to enable the seat width to be changed by moving the seat sleeves in the left and right directions according to the physique of the occupant and the occupant's preferences when driving or resting. To provide a seat for an automobile, etc., which can sufficiently suppress the lateral movement of the seat, and furthermore, the basic seat part can be commonly used in various car models by replacing only the sleeve part of the seat. This will become clear from the detailed description below with reference to the drawings.

1 to 4 show an embodiment of a seat for an automobile or the like according to the present invention, and this seat 1
As schematically shown in FIGS. 1 and 2, it is equipped with a seat cushion 1A and a seat back 1B,
The seat cushion 1A has a seat cushion center portion 2 and a seat cushion side portion 7, and the seat back 1B has a seat back center portion 3 and a seat back side portion 9. In this embodiment, the seat cushion 1A, the seat cushion central portion 2 and the seat bag central portion 3 of the seat bag 1B constitute the seat central portion of the seat 1, and the seat cushion central portion 2 constitutes the seat cushion central portion 2 of the seat cushion 1B. and seat back central portion 3, or both. Further, the seat cushion side portion 7 and the seat back side portion 9 constitute the seat side portion of the seat 1, and the seat side portion includes either or both of the seat cushion side portion 7 and the seat back side portion 9. . The seat cushion center part 2 is provided with a seat cushion center part 2 and a seat back center part 3 attached to the rear end of the seat cushion center part 2 via a reclining mechanism 5, and the seat cushion center part 2 is slidable in the front-rear direction. It is placed on a sliding rail 6 which is designed as follows. A pair of seat cushion side portions 7 are attached to both sides of the seat cushion center portion 2 so as to be slidable in the left and right direction. A locking mechanism 8 is provided for fixing it in position.

Further, on both sides of the seat back central portion 3, there are 1
A pair of seat back side portions 9 are attached so as to be slidable in the left-right direction, and a locking mechanism 10 is provided for fixing the pair of seat back side portions 9 at appropriate positions in the left-right direction. In this embodiment, the headrest 11 is shown as being formed integrally with the upper part of the seatback center section 3, but the headrest 11 may be formed separately from the seatback center section 3. The center part 3 of the seat back has a reclining mechanism 5.
It may be fixedly attached without intervening. The reference numeral 13 is a cushioning body of the sheet 1, and the numeral 14 is a covering material covering the cushioning body 13.

3 and 4 schematically show an embodiment of the seat frame structure of a seat 1 for an automobile or the like according to the present invention, in which the seat cushion central portion 2
A central frame 21 forming a rectangular shape is connected to the sliding rail 6 via a lifter 22 for height adjustment. At the lower end of the central frame 21, a fixed receiving part consisting of two fixed pipes 23 extending in the vehicle width direction is fixed in parallel by welding or the like. A holder 2 in which both sides 26 of a U-shaped side frame 25 have flanges made of synthetic resin.
The U-shaped opening sides of the pair of side frames 25 are arranged to face each other. A pair of brackets 29 are fixed to both rear sides of the central frame 21. A base 51 of the reclining mechanism 5 is fixed to this bracket 29.

A pair of mounting pieces 32 having through holes 31 are protruded upward and fixed to opposite positions of both side parts 26 extending parallel from the center part of the side frame 25, and the side plate 34 is fixed to these mounting pieces 32. is installed. This side plate 34 has a bending portion 35 whose outer side is bent diagonally upward, and a side plate 34
and a plurality of mounting pieces 37 each having a through hole 36 fixed to the lower end thereof, and due to the presence of the bending part 35, the buffer body 13 attached to the bending part 35 protrudes upward at a predetermined angle. ing. Further, with the mounting pieces 37 of the side plate 34 inserted between the pair of mounting pieces 32 fixed to both sides 26 of the side frame 25, the respective mounting pieces 3
The side plate 34 is fixed to the side frame 25 by inserting a reinforcing shaft 39 into the through holes 31 and 36 formed in the holes 2 and 37, and fixing an E ring 40 etc. via a spring 38. . Further, a concave groove 41 is formed in the side portion 26 of the side frame 25, and an engaging member 42 that engages with the concave groove 41 is provided on the collar of the holder 27, thereby forming the lock mechanism 8. Fixed pipe 23
The sliding movement of the side frame 25 in the left-right direction can be adjusted with respect to the left-right direction. Although the operating means for this lock mechanism 8 is not shown, it is possible to use a conventionally known lock mechanism that is used, for example, to adjust the height of the head rest when the head rest is constructed separately from the seat bag. for example,
A spring for biasing the engaging member 42 toward the concave groove 41 is attached to the collar of the holder 27, and a lock release member that can be operated against the bias of the spring causes the engaging member 42 to move toward the concave groove 41. After the side frame 25 is pulled out further and the side frame 25 is moved and adjusted in the left-right direction, it can be locked in a desired concave groove 41, and the locking mechanism 8 can be such that the locked state is maintained by the spring.

Further, a back frame 45 serving as a central frame forming the seat back center portion 3 is formed in an inverted U shape, and a bracket 47 is fixed to the lower end portions of both side portions 46 of this back frame 45.
The reclining mechanism 5 is attached to this bracket 47.
The arms 52 are connected to each other, and the back frame 45 is held rotatably in the front and rear directions. On the back side of the back frame 45, a fixed receiving part consisting of two fixed pipes 48 extending in the vehicle width direction is fixed vertically in parallel in the same manner as that formed on the central frame 21. A back side frame 49 as a side frame formed in a substantially U-shape forming the side portion 9
Both sides 54 of the U-shaped back side frame 49 are slidably inserted in the left and right directions through holders 55 having flanges made of synthetic resin.
A pair of mounting pieces 58 having through holes 57 are protruded forward and fixed to opposing positions of both side parts 54 extending in parallel from the center of the side plate. A back side plate 60 is attached from the front. This backside plate 60 includes a bending part 61 whose outer side is bent forward at an appropriate angle, and a plurality of mounting pieces 63 having through holes 62 fixed to the back side of the backside plate 60. Due to the presence of the bending portion 61, the buffer body 13 attached to the bending portion 61 projects forward at a predetermined angle. Further, with the mounting pieces 63 of the back side plate 60 inserted between the pair of mounting pieces 58 fixed to both side parts 54 of the back side frame 49, the through holes formed in the respective mounting pieces 58 and 63 are inserted. The backside plate 60 is fixed to the backside frame 49 by inserting reinforcing shafts 66 into the shafts 57 and 62 and fixing E-rings 70 and the like via springs 65. The locking mechanism 10 for adjusting the movement in the left and right direction of the back side frame 49, which is slidably inserted in the left and right directions with respect to the fixed pipe 48, is attached to the side frame 2 mentioned above.
It is formed similarly to the locking mechanism 8 provided in 5. Furthermore, a headrest frame 68 is integrally formed at the upper end of the center portion of the backside frame 49. In such a configuration, when the locking mechanisms 8 and 10 are in the unlocked state and the seat cushion side portion 7 and the seat back side portion 9 are manually pushed or pulled outward, the side plates 34 and 60
Both sides 26 and 46 of the side frames 25 and 49, which are connected and fixed to the side frames 25 and 49, move outward in the left-right direction with respect to the fixed pipes 23 and 48 serving as fixed receiving parts, and the sides of the seat cushion 1A and the seat back 1B It is possible to expand the width in the direction of the section, and conversely, it can be narrowed by pushing it inward from the expanded state.

FIG. 5 shows a different embodiment of the seat for an automobile or the like according to the present invention.Detailed explanation of this seat 71 will be omitted, but the front side of the seat cushion central portion 72 is connected to the seat cushion. Side part 73
The seat cushion side portion 73 is not formed to extend to the front of the seat cushion central portion 72;
The upwardly bent portion of the seat cushion side portion 73 is configured so that it does not become an obstacle when a passenger gets on and off the vehicle,
This embodiment has the same structure as the previous embodiment except that the stability of the seat is further increased.

The above is the configuration according to one embodiment of the seat 1 for an automobile or the like according to the present invention. According to this configuration, depending on the physique of the occupant or the preference of the occupant
The side parts of the seat cushion are attached to both sides of the center of the seat cushion so that they can slide in the left and right directions, and can be moved and adjusted in the left and right directions.The sides of the seat cushion can also be slid in the left and right directions on both sides of the center of the seat back. The side parts of the seat back attached to the seat cushion can be adjusted to move in the left and right directions, and when driving, it is possible to sufficiently suppress the rocking of the occupant in the left and right direction depending on the physique of the occupant. The side part of the seat back can be easily expanded in the left and right direction,
Furthermore, different designs can be attached to the side parts of the seat cushion and the side parts of the seat back, and the center part of the seat cushion and the center part of the seat back can be used in common to various car models, making the car extremely economical. It is possible to obtain sheets such as

The above embodiment merely shows one embodiment of the present invention, and for example, instead of the side frame and the back side frame being slidably fitted to fixed pipes serving as fixed receiving parts, a sliding rail shape may be used. It is also possible to use one configured as follows.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the appearance of one embodiment of a seat for an automobile or the like according to the present invention, FIG. 2 is a partially sectional perspective view of FIG. 1, and FIG. 3 is a perspective view showing the frame structure of the seat. FIG. 4 is an exploded perspective view of FIG. 3, and FIG. 5 is a schematic plan view showing a different embodiment of the seat. In the figure, 1,71...Seat of automobile etc., 2,7
2... Central part of seat cushion, 3... Central part of seat back, 5... Reclining mechanism, 7, 7
3...Seat cushion side part, 9...Seat back side part, 11...Head rest, 21...Central frame, 23, 48...Fixed pipe, 25...Side frame, 45...Back frame, 49...
...Back side frame.

Claims (1)

[Claims] 1. In a seat for an automobile, etc., comprising a seat cushion and a seat back attached to the rear end of the seat cushion, the seat cushion or the seat back of the seat has a center frame, and a center frame of the seat. a pair of seat side parts each having substantially U-shaped side frames disposed on both sides of the seat with opening sides facing each other, and the central frame having a substantially square shape or an inverted U-shape. A pair of fixed receiving parts each having an end extending in the width direction are fixed in parallel to both sides of the central frame, and the central part of the pair of side frames has a bent part on the outside. side plates are fixed to each other, both sides of the side frame are arranged in parallel and opposite to each other, and both sides of the side frame are fitted into the pair of fixed receiving parts so as to be slidable in the width direction. 1. A seat for an automobile, etc., characterized in that the seat is locked at a predetermined position of a fixed receiving part by a locking mechanism.