JPH064748Y2 - Vehicle seat - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a vehicle seat, and more particularly to a vehicle seat in which a seat having a cushioning property and a shape according to a user's preference can be easily manufactured.

[Prior Art] Conventional vehicle seats are designed in consideration of a user layer according to the type of vehicle to be equipped, and in consideration of such a standard body shape of the user.

However, since these designs are based on the average body shape and weight, they are not always suitable for the body shape and weight of the person sitting on the seat.

Further, in the vehicle seat, the required shape, cushioning property and the like differ depending on what kind of vehicle and what drive is intended. That is, in small cars, vibration due to road surface conditions is easily transmitted to the seat, so the cushioning property is soft and the reverse is true in large cars.
Further, as a taste, it is said that the cushion should be soft when it is intended for general driving and hard when it is intended for sports driving.

Therefore, ideally, the cushioning property and shape of the seat should be changed according to the body shape and weight of the user and the taste.

[Problems to be solved by the invention] However, when a sheet is made to be customary in consideration of these factors, common parts cannot be used and handmade iodine is increased. For this reason, the cost is high, and in reality, it is manufactured only in a very special case. And others use it forcibly even if they are not satisfied with the sitting comfort, but it is a reality.

In addition, in the conventional seat, the seat is divided into a plurality of blocks, and a plurality of blocks with different cushion hardness or shape are prepared and used in combination according to preference and body shape. However, in these structures, a method of incorporating blocks one by one and fixing them individually is adopted. For this reason, there is a problem in that the fixation of each block is unstable, and a gap or play is generated between the blocks, which makes the sitting comfort uncomfortable.

The present invention has been made in view of the above problems, and an object thereof is to easily and inexpensively remake it as a seat having a shape, cushioning property, and the like according to a user's request, and to improve sitting comfort. It is to provide a vehicle seat that is made of

[Means for Solving the Problems] In order to achieve the above-mentioned object, according to the present invention, each block of a plurality of divided seat pad portions is sequentially arranged at a reference portion of a seat and assembled into a predetermined shape. A pair of frame halves that are movable to each other from the outside of the plurality of blocks arranged in the predetermined shape and can be tightened between the blocks, and the pair of frame halves. And a drive mechanism for controlling the movement between the two.

[Operation] According to this configuration, when a plurality of blocks are arranged in a predetermined shape between the pair of frame halves and then the pair of frame halves are moved inwardly via the drive mechanism, It is possible to tighten these blocks simultaneously from the outside. Therefore, since the plurality of blocks are in close contact with each other and fixed, the gap between the blocks can be eliminated, and the blocks can be stably held without rattling, and the sitting comfort can be improved. Moreover, since each block can be replaced with a favorite one by loosening the tightening by the pair of frame halves, a seat suitable for the user can be easily and inexpensively manufactured.

[Embodiment] An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a vehicle seat 1 according to an embodiment of the present invention, which roughly comprises a seat cushion 2 and a seat back 3.

Further, the seat cushion 2 and the seat back 3 include a seat pad portion 4 formed as a plurality (two in this embodiment) of blocks 4a, and a pair of frame halves 5a, 5a.
The seat cushion 2 and the seat back 3 have the same basic structure. The seat cushion 2 and the seat back 3 have the same basic structure.

Therefore, the basic structure will be described on behalf of the seat back 2.

First, the drive mechanism 6 is disposed between the pair of frame halves 5a and 5b, and includes the rotating shaft 7, the pipe 8, and the feed shaft 9.
And a pair of bevel gears 10, 11 and the like. Then, the pipe 8 is arranged in a state of running vertically on the seat pad portion 4, and one end thereof is fixed to a seat substrate (not shown). In addition, a plurality of lateral bones 12 are attached to the middle portion of the pipe 8 in a state of extending in the left-right direction. Rotating shaft 7
Is rotatably mounted in the pipe 8, and the operation knob 1 is attached to an end portion protruding from one end of the pipe 8.
3 is attached. Further, the bevel gear 11 is meshed between the operation knob 13 and one end of the pipe 8. The bevel gear 11 is fixed in the middle of the feed shaft 9 and can rotate integrally with the feed shaft 9. A screw groove 9a is formed on each end of the feed shaft 9. Therefore, in the drive mechanism 6, when the rotary shaft 7 is rotated while holding the operation knob 13, the bevel gear 10 also integrally rotates in the rotation direction, and at the same time, the feed shaft 9 can also rotate via the bevel gear 11.

Next, the pair of frame halves 5a and 5b are formed symmetrically. A back wall 16, a peripheral wall 17, and a locking wall 18 are integrally provided on each of the pair of frame halves 5a and 5b. Furthermore, a pair of frame halves 5
A connecting portion 19 corresponding to the feed shaft 9 is formed on the peripheral walls 17 of a and 5b adjacent to each other. This each connection part 1
A screw engaged with the screw groove 9 a of the feed shaft 9 is engraved on the shaft 9. Then, when the feed shaft 9 is rotated, the pair of frame halves 5a and 5b are selectively fed and moved in the direction of arrow A or arrow B in FIG. 4 by this screw engagement. There is.

A pair of blocks 4a constituting the seat pad portion 4,
4b can be incorporated between the pair of frame halves 5a and 5b. This pair of blocks 4a, 4b
A plurality of different shapes and cushioning properties are prepared and used in combination each time. In this embodiment, the pair of blocks 4a and 4b are formed symmetrically. A metal reinforcing frame (see FIG. 3) is attached to a part of the outer circumference of each block 4a. The pair of block halves 5a, 5b are in a state in which the pair of frame halves 5a, 5b are fed to each other in the direction of arrow B in FIG. Placed in between. When the pair of frame halves 5a and 5b are subsequently fed and moved in the direction of arrow A, the inner surfaces of the pair of frame halves 5a and 5b are pushed inward toward each other and tightened. In this tightened state, the lateral ribs 12 are engaged in the recesses 21 of the blocks 4a and 4b, and the intermediate portion of the seat back portion 4 is prevented from moving. Further, the outer peripheral groove 2
The engaging wall 18 is engaged with the inside 2 and the protrusion 17a is engaged with the outer peripheral groove 23, respectively.

Therefore, in the vehicle seat 1 configured as described above, the predetermined block 4a is provided between the pair of frame halves 5a and 5b with the pair of frame halves 5a and 5b largely separated from each other. When the rotary shaft 7 is arranged and then the rotary shaft 7 is rotated via the operation knob 13 of the drive mechanism 6, the pair of frame halves 5a and 5b are moved to the inside of each other, and the plurality of blocks 4a and 4b are sandwiched from the outside for easy It can be fixed by tightening. That is, since the plurality of blocks 4a are in close contact with each other and fixed, it is possible to eliminate the gap between the blocks 4a and 4a, and at the same time, to assemble them without play. Moreover, when the pair of frame halves 5a, 5b is separated again via the operation knob 13, another block 4a, 4 having a different shape and cushioning property is formed.
Since a can be incorporated, a seat suitable for the user can be easily obtained.

In the above embodiment, the structure in which the drive mechanism 6 is driven by the operation knob 13 has been described, but it may be driven by another means. Further, the position where the drive mechanism 6 is provided may be variously changed.

[Advantages of the Invention] As described above, according to the vehicle seat of the present invention, the plurality of blocks are arranged in a predetermined shape between the pair of frame halves, and then the pair of frame halves are connected via the drive mechanism. Moving the spaces inward relative to one another allows the blocks to be clamped simultaneously from the outside of the blocks. Therefore, since the plurality of blocks are in close contact with each other and fixed, the gap between the blocks can be eliminated, and the blocks can be stably held without rattling, and the sitting comfort can be improved. Moreover, each block can be replaced with a favorite one by loosening the tightening by the pair of frame halves.
A seat suitable for the user can be easily and inexpensively made. As a result, practicality is improved.

[Brief description of drawings]

1 is an external perspective view of a vehicle seat according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a line III-III of FIG. FIG. 4 is a sectional view taken along the line, and FIG. 1 ... Seat 4 ... Seat pad section 4a ... Block 5a, 5b ... Frame half body 6 ... Drive mechanism

Claims (1)

[Scope of utility model registration request] 1. A vehicle seat in which each block of a plurality of divided seat pad portions is sequentially arranged at a reference portion of a seat to be assembled in a predetermined shape, and the block is arranged in the predetermined shape. A pair of frame halves that can be moved from the outside to the inside of the plurality of blocks and tighten between the blocks, and a drive mechanism for controlling the movement between the pair of frame halves. A vehicle seat characterized by that.