JPH0430935Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a seat structure, and more specifically, includes a seat cushion and a rear end of the seat cushion that is tiltably supported via a reclining mechanism. The present invention relates to a seat structure including a seat back, and more particularly to an order-type seat structure that allows users to freely select and combine seat blocks having shapes, hardness, etc. according to the user's preferences, body shape, etc.

[Conventional technology]

For example, in a vehicle seat, the seat cushion and the seat back that is supported behind it so that it can be tilted via a reclining mechanism are considered important in stably supporting the buttocks and back of the seated person while the vehicle is traveling, and many seat cushions with various shapes and structures have been proposed in the past.
In particular, in this type of vehicle seat, the seat cushion is equipped with side supports that hold the occupant's buttocks from both sides, and the seat back is equipped with a lumbar support that supports the lower part of the occupant's back, thereby providing the occupant with an appropriate sitting comfort and reducing fatigue as much as possible even when seated for long periods of time.

[Problem that the invention attempts to solve]

By the way, in conventional vehicle seats, manufacturers only supply seats with a standard shape and structure prepared according to the type of car and target user, and the seats are not based on the user's preferences or preferences. It was impossible to deal with his physique and other factors. However, in recent years, there has been a growing demand for diversification and individualization among users, and this applies to vehicle seats as well. There is a need to develop such a seat structure.

For this reason, the present applicant has previously proposed
A sheet with a block structure has been proposed in publications such as No. However, in this conventional structure, the overall structure including the connection structure of each seat block is complicated, which not only poses problems in terms of ease of assembly, but also requires that each block be assembled in order to form the seat into the desired shape. This is only solved by adjusting the movement of adjacent blocks, and there are still problems in obtaining a seat structure that truly meets the user's preferences and body shape. , it is necessary to take some measures.

This invention was developed in view of these circumstances, and allows the user to freely select the size, shape, structure, and seat hardness of each part of the seat according to the user's preferences and body shape at the time of purchase or need. The objective is to obtain an inexpensive seat structure that can be configured easily and appropriately to meet the diversification and individualization of demand.

[Means for solving problems]

In order to meet such demands, the seat structure according to the present invention includes a seat cushion and a seat back tiltably supported on the rear end side of the seat cushion via a reclining mechanism. The seat bag includes a pair of left and right pipe frames with free ends extending toward the top of the seat bag, and a plurality of seat blocks each having insertion holes formed on the left and right sides into which the pair of left and right pipe frames are inserted. , the plurality of sheet blocks having arbitrary size, shape, and hardness are selected and used, and are sequentially fitted and attached to the pipe frame from the free end, and A holder is inserted into and locked to the free end of the headrest, and a pipe portion on the headrest side is locked to the holder.

[Effect]

According to the present invention, a sheet having an arbitrary size, structure, hardness, etc. selected for each block is provided for a pair of left and right pipe frames with free ends extending toward the top of the seat back. The blocks are fitted one after another from the free end of the pipe frame of the seat bag so that they are stacked on top of each other, and a holder is inserted and locked into the free end of the pipe frame. By locking the pipe section, it is possible to easily and appropriately provide a sheet having the desired design shape, etc., and by pulling out the pipe section on the headrest side from the holder, it is easy to disassemble the seat block and assemble both sheets. It is.

〔Example〕

Hereinafter, the present invention will be explained in detail using embodiments shown in the drawings.

1 and 2 show an embodiment of the seat structure according to the present invention. In these figures, the vehicle seat, which is designated as a whole by reference numeral 1, has a seat cushion as shown in FIG. 2 and a seat back 4 tiltably supported via a reclining mechanism 3 on the rear end side. Note that 5 in the figure is a headrest attached to the upper end of the seat bag 4.

Now, according to the present invention, in the above-mentioned vehicle seat 1, as is clear from FIGS. 1 and 2, free ends 10a, 10a are formed by extending cut end surfaces toward the upper part of the seat back 4. A pair of left and right pipe frames 10, 10, and a free end 10 for these pipe frames 10, 10.
It is equipped with a plurality of seat blocks 11, 12, 13, 14, 15 that constitute the seat bag 4 by being sequentially fitted and mounted from a and 10a and stacked on each other, and each of these seat blocks 11, 12, . . . They are characterized in that they can be appropriately selected and used, each having an arbitrary size, structure, and hardness.

The length of the pipe frames 10, 10 extends to a position below the headrest 5, and the blocks 11, 12, . It is designed so that it can be installed. Reference numerals 6 and 6 in the figure designate mounting brackets that are fixed to the lower ends of the pipe frames 10, 10 by welding or the like, and to which the arms constituting the reclining mechanism 3 are fixed. Furthermore, each of the above-mentioned seat blocks 11,
As for 12..., it is good to prepare a wide variety of skin materials, colors, etc., and to be able to select any one from among them.

According to such a configuration, the pipe frames 10 and 1, which are the basic frames of the seat bag,
0, sheet blocks 11, 12, etc. having arbitrary sizes, structures, hardness, etc. selected for each block are attached to the pipe frame free end 1.
By sequentially fitting the seats starting from 0a and 10a and stacking them on each other, the seat bag 4 having a desired design shape etc. can be easily and appropriately constructed, and its disassembly and reassembly are also easy. It is easy to understand that it is easy to do.

Therefore, according to the present invention having such a configuration, at the time of purchase or necessity, at a dealer or a car shop, depending on the user's preference, body shape, etc.,
It is possible to freely select the size, shape, structure, sheet hardness, etc. of each part of the seat back 4, and then easily assemble the required seat blocks 11, 12, etc. to obtain a seat with the desired design, etc. This can have practical effects such as being able to easily and appropriately deal with the diversification and individualization of demand.

Here, in this embodiment, in the block-shaped seat block, the seat block 11 corresponding to the lumbar support section 7 is constructed as shown in FIGS. This shows a case in which hard pads, panels, etc. can be freely accommodated, thereby making it possible to easily configure the lumbar support part 7 as required to have the hardness and contact feel desired by the user, and to demonstrate its practical use. The effects above are significant. In addition, 17 in the figure indicates this seat block 11.
The fastener part 18 provided on the upper part is a hollow part formed inside by installing a T-shaped frame 19 or the like as shown in FIG. It is enough to accommodate it. In this case, it is preferable to use a highly elastic material as the skin material of the seat block 11 mentioned above.

Further, according to this embodiment, as shown in FIGS. 1 and 4a and 4b, the pipe frame 10,
10, the holder 2
0, 20 and lock it, and this holder 2
Pipe parts 21 and 2 having the function of a headrest stay attached to the headrest 5 side for 0 and 20
1 is engaged and locked to hold the entire body in an integrally assembled state. Here, in the figure, 22 is an insertion hole for the pipe part 21 on the headrest 5 side formed through the upper part of the holder 20, and 23 is arranged so as to be swingable within the holder 20 and is biased by a spring 24. The locking bracket 25, which is rotated only when the pipe portion 21 is engaged, is an elastic protrusion for locking the holder 20 to the pipe frame 10 side. In this case, the mounting of the holder 20 is not limited to the elastic protrusion 25, but may also employ a screw-in method, a press-fit method, or a non-removable fixing method. .

Furthermore, in the above-described embodiment, the sheet blocks 11, 12, . . . are stacked in a fixed manner. A space may be formed in the block and the block may be movably adjusted.

It should be noted that the present invention is not limited to the structure of the embodiment described above, and the structure, shape, etc. of each part can be changed and modified as appropriate, and various modifications can be considered.

[Effect of idea]

According to the seat structure according to the present invention, in the seat structure including a seat cushion and a seat back tiltably supported on the rear end side of the seat cushion via a reclining mechanism, the seat back is tilted toward the top of the seat back. The pipe frame is provided with a pair of left and right pipe frames having free ends extending from each other, and a plurality of seat blocks each having insertion holes formed on the left and right sides into which the pair of left and right pipe frames are fitted, and the plurality of seat blocks are A material having an arbitrary size, shape, and hardness is selected and used, and is fitted and attached to the pipe frame sequentially from the free end, and a holder is attached to the free end of the pipe frame. The headrest side pipe part is locked in the holder, so despite the simple and inexpensive structure, it can be inserted and locked at the dealer or car shop at the time of purchase or need, depending on the user's preference and body shape. It is possible to freely select the size, shape, structure, and hardness of each part of the seat back, and then easily assemble the required seat blocks to obtain the desired seat back, allowing for diversification and individualization of demand. It has various excellent practical effects, such as being able to easily and appropriately deal with problems.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of essential parts showing an embodiment of the seat structure according to the present invention, Fig. 2 is a schematic perspective view of the entire structure, and Fig. 3 shows a modified example of the seat block constituting the lumbar support section. The schematic plan view and FIGS. 4a and 4b are a schematic plan view and a side sectional view of the holder attached to the upper end of the pipe frame. In the figure, 1... Vehicle seat, 2... Seat cushion, 3... Reclining mechanism, 4... Seat back, 5... Headrest, 10... Pipe frame, 11, 12, 13, 14, 15... Seat block, 16...insertion hole, 20...holder, 21...pipe section.

Claims (1)

[Scope of utility model registration request] In a seat structure comprising a seat cushion and a seat back tiltably supported on the rear end side of the seat cushion via a reclining mechanism, the seat back has a free end extending toward an upper part of the seat back. It is equipped with a pair of left and right pipe frames, and a plurality of seat blocks in which insertion holes are formed on the left and right sides into which the pair of left and right pipe frames are fitted, and the plurality of seat blocks can have any size, shape, and hardness. At the same time, a holder is inserted and locked into the free end of the pipe frame, and a holder is inserted into the free end of the pipe frame, and a headrest side A seat structure characterized by a fixed pipe section.