JPH06185U - Seat backboard mounting structure - Google Patents

Abstract

(57) [Summary] [Purpose] The seat back board can be easily assembled and the appearance after assembly is improved. [Structure] Attachment hooks 14a and 14b are arranged on the inner surface of the seat back board 5 so that they can be engaged with the left and right side portions and the lower portion of the frame 2, respectively. As a result, the seat back board 5 is positioned in the lower and left and right directions. Then, in the positioned state, the upper surface of the seat back board 5 and the upper surface of the skin cover 4 are overlapped, and these are penetrated and connected by a headrest support 18 for holding a headrest. As a result, the seat back board 5 is fixed without performing a troublesome screw tightening work, and the work can be expected to be speeded up. Also, since there are no screw tightening points, the appearance can be expected to improve.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a seat back board mounting structure for covering a back surface of a seat back.

[0002]

[Prior art]

 As shown in FIG. 4, a normal automobile seat includes a seat cushion 30 for sitting and a seat back 31 for a backrest. Of these, the seat back 31 has the following structure. That is, the seat back 31 is provided with a cushion material (not shown) on the front surface of the frame 32, and the skin cover 33 is covered so as to cover these. The end of the skin cover 33 is pulled to the back side and then fixed to the frame 32. Then, a seat back board 34 is attached to cover the back side of the frame 32. When attaching the seat back board 34, a wire 35 is stretched over the upper portion of the frame 32 so that a pair of hooks 36 provided on the upper portion of the seat back board 34 can be hooked, and a lower portion of the seat back board 34 is attached. Brackets 38 that can be fitted to the brackets 37 on the side of the frame 32 are provided, and these are fixed by screws 39 so that the whole is fixed.

[0003]

[Problems to be solved by the device]

 However, the conventional vehicle seat has the following problems. First, the screw tightening location is the lower part of the seat, which is a difficult position, and the screw 39 is inserted in the upward direction, so the work is extremely difficult. In addition, such a screw stop portion may cause a deterioration in appearance. Furthermore, in the conventional mounting structure, the stoppers are arranged only above and below, so if the vertical length of the seat back board 34 becomes long, the fixing strength tends to be insufficient at both sides of the seat back board 34. This may cause floating, which lowers the reliability of mounting and also impairs the appearance.

The present invention has been developed and devised in view of the above problems, and an object thereof is to provide a seat back mounting structure that is easy to assemble and has an excellent appearance.

[0005]

[Means for Solving the Problems]

 The present invention is a seat back board mounting structure that covers the back of a seat back, and the seat back board is positioned by engaging the left and right sides and the lower portion of the seat back frame on the inner surface of the seat back board. By arranging the positioning means, and the upper surface of the seat back board is overlapped with the upper surface of the seat back in the above-mentioned positioning state, and these are pierced through the headrest support for holding the headrest in a retaining state. The seat back board mounting structure is characterized in that the seat back board is fixed.

[0006]

[Action]

 When assembling the seat back board, first, the seat back board is engaged with the back surface of the seat back and positioned by the positioning means. In this position-determined state, the left and right sides and the lower portion of the seat back board are positioned, and the upper surface of the seat back board is superposed on the upper surface of the seat back. Then, by inserting the headrest support into the overlapping portion and connecting the both, the seat back board mounting work is completed.

[0007]

[Effect of device]

 The effects of the present invention are as follows. After engaging the seat backboard positioning means with the seat frame, it is only necessary to insert the headrest support, so the installation work efficiency is excellent. Therefore, there is no troublesome screw tightening work, and since the existing headrest support is used for mounting, the appearance is excellent. Further, since the seat back board is stopped at the upper and lower sides and the left and right positions by the positioning means, the seat back board is fixed without rattling, and the conventional appearance defect due to lifting is eliminated.

[0008]

【Example】

 Embodiments embodying the present invention will be described below in detail with reference to the drawings. The automobile seat back 1 in this example is roughly constituted by a frame 2, a padding 3 as a cushioning material, a skin cover 4, and a seat back board 5 for covering the back surface.

The frame 2 is formed by assembling a metal pipe material into a rectangular frame shape, and inside thereof, a plurality of seat springs 6 (in the figure, three zigzag shapes are shown) at appropriate intervals in the lateral direction. The spring is shown). The padding 3 is arranged on the front side of the frame 2 using a urethane pad or the like. Then, the outer cover 4 is hung so as to cover them, and the end thereof is attached to the frame 2 as follows.

As shown in FIGS. 2 and 3, mounting plates are provided on both upper and lower edges and both left and right edges of the frame 2 along those edges. Of these, the upper mounting plate 7a fixed to the upper edge of the frame 2 has a channel cross section that opens to the outside, and serves as a hooking groove 8 for stopping the end of the skin cover 4. Further, the lower mounting plate 7b fixed to the lower edge of the frame 2 has an upward protruding portion 11. Furthermore, the side mounting plates 7c arranged on the left and right edges of the frame 2 have hooking edges 9 and are L-shaped in cross section as a whole.

On the other hand, upper and lower hooks 10a, 10b are sewn along the upper and lower edges of the skin cover 4, and the hooking groove 8 of the upper mounting plate 7a and the lower mounting plate 7b are projected. The parts 11 are hooked under tension. Further, as shown in FIG. 3, side hooks 10c are sewn on both left and right edges of the skin cover 4 along both edges. The side hook 10c has a substantially anchor-shaped cross section, that is, the side hook 10c is branched from the tip of the central mounting piece 12 to the left and right, and the inner groove 13a of the side hook 10c is inserted into the side mounting plate 7c. The outer groove 13b is engaged with the seat back board 5 side described below.

The seat back board 5 is formed to be slightly larger than the frame 2 so that it can cover substantially the entire back surface of the frame 2, and the upper edge and the left and right side edges are bent inward. Positioning means for the frame 2 is arranged on the inner surface of the seatback boat 5. That is, the side mounting hooks 14a are formed on the right and left side walls on the inner surface of the seat back board 5 so as to project rearward over a predetermined height range, and engage with the outer grooves 13b of the side mounting plate 7c. It is possible. A pair of lower mounting hooks 14b bent downward are arranged on the lower inner surface of the seat back board 5, and the lower mounting plate 7b is engaged with the lower hooks 10b from above. It is possible.

The seat back board 5 is temporarily fixed at its lower portion and both left and right side portions by the above-mentioned respective positioning means. In order to securely fix the seat back board 5, first of all, the inner edge of the upper edge portion of the frame 2 is A support pipe 15 is vertically installed at a place (only one side is shown in the figure). A pair of mounting holes 16 and 17 are formed through the upper surfaces of the skin cover 4 and the seat back board 5 in alignment with the support pipes 15. Then, a headrest support 18 for supporting a headrest (not shown) is inserted into the support pipe 15 through both mounting holes 16 and 17. Both headrest supports 18 each have a rectangular flange portion 18a at the upper end, and leg portions 18b are integrally hung on the lower surface thereof so that they can be inserted into the mounting holes 16 and 17 and the support pipe 15, and from the flange portion 18a. Is coaxial with the headrest mounting hole 18c passing therethrough. Further, the tip ends of the leg portions 18b are bifurcated so that they can be flexibly deformed and can be engaged with the lower surface of the support pipe 15 in a retaining state.

Next, the function and effect of this example configured as described above will be specifically described. When the seat back board 5 is mounted, the seat back board 5 is lifted above the seat back 1 and the lower ends of the side mounting hooks 14a thereof are attached to the outer groove of the corresponding side mounting plate 7c of the frame 2. 13b respectively. Then, when the seat back board 5 is lowered as it is, the side attachment hooks 14a are engaged along the outer groove 13b, and the lower attachment hooks 14b are engaged with the lower attachment plate 7b. The left and right sides and the lower part of the board 5 are respectively positioned.

After that, if the headrest support 18 is inserted into the support pipe 15 through the mounting holes 16 and 17 of the seat back board 5 and the skin cover 4, the leg portions 18 b of the headrest support 18 will be connected to the lower end of the support pipe 15. It is engaged in the state of retaining. Thus, the fixing work of the entire seat back board 5 is completed. As described above, the mounting structure of this example does not require any troublesome screw tightening work for fixing the seat back board 5 and there is no screw tightening portion, which is good-looking. Moreover, since the seat back board 5 is fixed by using the member (headrest support 18) for holding the headrest, the number of parts is not increased and the headrest support 18 can be easily inserted. Since it is the upper surface of the seat back, it can be expected to improve workability. Further, when the seat back board 5 is inserted into the frame 2, the insertion operation is guided by the engagement between the side mounting plate 7c and the side mounting hook 14b, so that the work can be performed smoothly. Further, even if the seat back board 5 is attached, the rattling of the seat back board 5 can be restricted by these engagements. Therefore, even if the seat back board 5 is increased in vertical length, the seat back board 5 is prevented from rising and is stable. Realizes the worn state.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a seat

FIG. 2 is a side sectional view of the seat.

FIG. 3 is a plan sectional view of a seat.

FIG. 4 is an exploded perspective view of a conventional vehicle seat.

[Explanation of symbols]

 1 ... Seat back 2 ... Frame 4 ... Skin cover 5 ... Seat back board 14a, b ... Attachment hook (positioning means) 18 ... Headrest support

Claims (1)

[Scope of utility model registration request] 1. A structure for mounting a seat back board, which covers the back surface of a seat back, wherein the seat back board is positioned on the inner surface of the seat back board by engaging both left and right side portions and a lower portion of a frame of the seat back. The positioning means is provided, and the upper surface portion of the seat back board is overlapped with the upper surface of the seat back in the positioning state, and these penetrate the headrest support for holding the headrest in a retaining state to prevent the seat. Seat backboard mounting structure, characterized in that the backboard is fixed.