JP2019107044A - Vehicle seat - Google Patents

Abstract

To enable appropriately fixing a seat cover by using a fitting wire for fitting a planar substrate to a seat frame.SOLUTION: A planar substrate 10 crosslinked between cushion frames 3F and supporting a load of a seated person comprises: a flexible planar member 11 comprising a planar support face; a fitting wire 12B for fitting the edge part on a crosslinked end side of the planar member 11 to the cushion frames 3F; and a resin interposed tool 13B interposed between the fitting wire 12B and the cushion frames 3F. The fitting wire 12B has a pair of hook parts hooked in a horizontally aligned state and fitted to the cushion frames 3F. The interposed tool 13B has a fixing part 13Ba4 which is fitted in a crosslinking state between the pair of hook parts and to which a cushion cover 3C is fixed.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a vehicle seat. More specifically, the present invention relates to a vehicle seat having a planar support bridged between frame-like seat frames to support the load of the seat occupant from the back side.

  Heretofore, there has been known a vehicle seat in which a seat pad for elastically supporting a seated person is supported in a planar manner from the back side by a planar support bridged between frame-like seat frames. (Patent Document 1). Specifically, the planar support described above is a flexible planar member that forms a planar support surface such as a fabric material, and a mounting wire that hooks the edge portions on both ends of the planar member to the sheet frame. And. The attachment wire mentioned above is from the both ends which passed through the through hole of the cylindrical through hole formed along the edge of the both ends of the above-mentioned plane member, and the through hole of the same passage. Each hook portion extends like a hook and is hooked to the frame portion of the seat frame. The attachment wire mentioned above is further formed with a connecting part for connecting the extended ends of the hook parts described above, and the end of the seat cover covering the vehicle seat is hooked on the connecting part. It is fastened.

JP, 2016-159007, A

  In the above-mentioned prior art, since it is necessary to set the connecting portion for hooking the end of the seat cover to the mounting wire, the weight of the mounting wire is increased and the freedom of shape setting of the mounting wire is impaired. . The present invention has been made as a solution to the above problems, and the problem to be solved by the present invention is to properly use the attachment wire for attaching the planar support to the seat frame. It is to be able to be fixed.

  In order to solve the above-mentioned subject, the vehicle seat of the present invention takes the following measures.

  A first invention is a vehicle seat having a planar support bridged between frame-like seat frames to support the load of the seat occupant in a plane from the back side. A flexible sheet-like member having a sheet-like support surface, a mounting wire for attaching the edge of the surface-like member to be bridged to the seat frame, a mounting wire and a seat frame And a resin-made installation tool interposed therebetween. The mounting wire has a pair of hooks that are hooked and attached side by side to the seat frame. The fixture has a fastening portion mounted in a bridging manner between the pair of hook portions and to which a seat cover covering the vehicle seat is fastened.

  According to the first aspect of the invention, by setting the fastening portion of the seat cover in the form of being bridged between the pair of hook portions of the attachment wire in the resin-made fixture, the seat cover is utilized using the attachment wire. It can be fastened rationally and firmly.

  The second invention has the following configuration in the first invention described above. The fastening portion of the fixture is bridged between the pair of hooks in the inter-placement region connecting the pair of hooks of the attachment wire.

  According to the second aspect of the present invention, the fastening portion of the fixture can be provided in a state of being more firmly supported between the pair of hook portions of the attachment wire.

  The third invention is the following configuration in the first or second invention described above. A plurality of mounting wires are provided side by side along the edge on the bridged end of the planar member, and the fastening portion of the fixture is bridged between the pair of hooks of each mounting wire. It is attached.

  According to the third aspect of the present invention, the attachment wires are arranged side by side in a plurality of settings, whereby the fastening portion of the fixture is secured between the pair of hooks of each attachment wire with a short support span. It can be provided in a supported state.

  According to a fourth invention, in any one of the first to third inventions described above, the following configuration is adopted. The mounting wire has a through portion which is inserted into a cylindrical through-hole formed along the edge of the cross-linked end of the planar member, and a pair of hook portions form the seat frame from both ends of the through portion. It has a shape of a continuous connection extending in the form of a bend.

  According to the fourth aspect of the present invention, since the end of the mounting wire is not in the through portion which is passed through the planar member, the mounting wire is attached to the planar member when an excessive load is applied to the planar member. It is possible to prevent breakage or damage caused by hooking of the wire to the end.

  According to a fifth invention, in any one of the first to fourth inventions described above, the following configuration is adopted. The fastening portion of the fixture has an extension portion extending from the attachment portion to the pair of hook portions to the region out of the inter-placement region connecting the pair of hook portions, and the seat cover is provided at the extension portion It is attached.

  According to the fifth aspect of the present invention, it is possible to select and fix a more appropriate position by appropriately separating the seat cover from a member such as a mounting wire which is desired to avoid interference.

FIG. 1 is a perspective view showing a schematic configuration of a vehicle seat of Example 1; It is the disassembled perspective view which removed the planar support body from the cushion frame. It is a disassembled perspective view of a planar support. It is the disassembled perspective view which looked at FIG. 3 from the rear side. It is a top view of FIG. It is the VI section enlarged view of FIG. It is the VII section enlarged view of FIG. It is the VIII-VIII sectional view taken on the line of FIG. It is sectional drawing showing the state to which the load of the seated person was applied to the seat cushion from FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<< About schematic structure of sheet 1 >>
First, the configuration of the seat 1 (vehicle seat) of the first embodiment will be described using FIGS. 1 to 9. In addition, in the following description, when showing each direction, such as front and rear, upper and lower, right and left, shall point out each direction shown in each figure. Moreover, when showing as "the sheet | seat width direction", the left-right direction of the sheet | seat 1 shall be pointed out.

  As shown in FIG. 1, the seat 1 of the present embodiment is configured as a car seat, and includes a seat back 2 serving as a backrest of a seated person and a seat cushion 3 serving as a seating portion. It is assumed. The lower ends of the left and right sides of the seatback 2 are connected to the rear ends of the left and right sides of the seat cushion 3 through a recliner (not shown) so that the backrest angle can be adjusted. The seat cushion 3 is connected on the floor of the vehicle so as to be able to adjust the position in the front-rear direction via a pair of left and right slide rails 4.

  The above-described seat cushion 3 is made of metal cushion frame 3F assembled in a substantially frame shape in plan view forming the frame, and made of urethane foam which is set at the upper part of cushion frame 3F and elastically receives the load of a seated person. A cushion pad 3P and a cushion cover 3C made of a fabric that is attached to the entire surface of the cushion pad 3P to form a design surface of the seat cushion 3 are schematically configured. In the cushion frame 3F described above, the planar support 10 capable of supporting the central region of the cushion pad 3P described above in a wide area from the lower side is bridged between the front and rear frames. Here, the cushion frame 3F mentioned above corresponds to the "seat frame" of the present invention, and the cushion cover 3C corresponds to the "seat cover" of the present invention.

<< About the composition of cushion frame 3F >>
The cushion frame 3F described above, as shown in FIG. 2, includes a pair of left and right side frames 3Fa, a front panel 3Fb integrally bridged between front ends of the side frames 3Fa, and a rear lower side of the front panel 3Fb. The front pipe 3Fc integrally bridged between the side frames 3Fa at the position and the rear pipe 3Fd bridged integrally between the rear ends of the side frames 3Fa It is assumed.

  The pair of left and right side frames 3Fa are respectively formed of upright plate-like frame members extending in a longitudinal direction in the front-rear direction, and form side frames of the left and right sides of the seat cushion 3. The front panel 3Fb is formed of a plate-like frame material that faces in the height direction, and forms a front skeleton of the seat cushion 3. Each of the front pipe 3Fc and the rear pipe 3Fd is formed of a round pipe material extending straight in the sheet width direction, and is inserted into the side frame 3Fa on each side so as to be integrally connected to them. ing.

  By the connection, the cushion frame 3F is assembled in a substantially frame shape in a plan view, and can strongly support the outer peripheral portion of the cushion pad 3P set at the upper part from the lower side. Legs 3Fe for raising the slide rail 4 on each side are welded and attached to the front pipe 3Fc and the rear pipe 3Fd described above.

<< About the composition of cushion pad 3P >>
Referring to FIG. 1, the cushion pad 3P is set in a state of being covered from above with the cushion frame 3F described above. Specifically, the cushion pad 3P described above is covered from above with the cushion frame 3F described above, and the front, rear, left, and right peripheral portions thereof are respectively rotated downward through the outer peripheral side of the cushion frame 3F. It is set in the broken state. By the above-described assembly, the cushion pad 3P is strongly supported from the lower side by the cushion frame 3F (not shown) from above and the center portion is lower by the planar support 10 bridged in the frame of the cushion frame 3F. Are set to be in a state of being elastically supported in a plane.

<< About the composition of cushion cover 3C >>
The cushion cover 3C covers the cushion pad 3P described above from the upper side, and the front, rear, left, and right peripheral portions thereof are respectively drawn downward through the outer peripheral side of the cushion pad 3P, and the cushion frame described above It is integrally fixed to 3F and fixed. By the above assembly, the cushion cover 3C is stretched in a state of being in close contact with the entire surface of the cushion pad 3P described above, and holds the cushion pad 3P in a pressed and fixed position on the cushion frame 3F. It has become.

<< About the structure of the planar support 10 >>
As shown in FIGS. 1, 5 and 8, the planar support 10 is a planar member 11 made of fabric cut into a substantially rectangular shape in plan view, and each edge on the front and rear sides of the planar member 11. Metal fitting wires 12A and 12B attached to the front pipe 3Fc and the rear pipe 3Fd, and the fitting wires straddling over the mounting wires 12A and 12B, respectively, between the front attachment wire 12A and the front pipe 3Fc It has the resin structure 13 set in the state interposed between the rear side attachment wire 12B and the rear pipe 3Fd.

<< About the composition of planar member 11 >>
In the planar member 11 described above, the weft yarn is made of low extensibility PET resin, and the warp yarn is formed by a woven fabric (which may be a knit) having a substantially uniform structure made of PTT resin more extensible than weft yarn. ing. In the planar member 11 described above, through-holes 11A and 11B are formed along the respective front and rear edges, with the edges being folded back and sewed in a cylindrical shape. Each of the through holes 11A and 11B described above is basically formed over the entire area in the sheet width direction of the edge portion on each side of the planar member 11 described above, as shown in FIGS. 3 to 5. . However, each through hole 11A, 11B mentioned above is an opening 11Aa, 11Ba which is cut out so as to open each folded portion formed in the center of the edge of each side of the planar member 11 mentioned above in a substantially rectangular shape. Thus, the folded back portion of the central portion of these is formed to be open to the outside.

<< About the configuration of mounting wires 12A and 12B >>
The front and rear attachment wires 12A and 12B are respectively configured as a pair of left and right, and are passed side by side in the respective through holes 11A and 11B formed at the edge of each side of the planar member 11 described above Is provided. Specifically, the front pair of attachment wires 12A are respectively formed in the left and right sides of the cylindrical opening 11Aa of the through hole 11A formed at the front edge of the planar member 11 described above. The left and right pair of left and right pairs that are bent in a straight shape toward the upper front from the respective ends of the through portions 12Aa passed through and the respective cylindrical openings of the through portions 12Aa and bent downward in a convex curved shape The hook portion 12Ab is formed of a wire material bent in a substantially U-shape in plan view.

  Also, similarly, each pair of attachment wires 12B on the rear side is a cylinder on each of the left and right sides partitioned by the opening 11Ba at the center of the through hole 11B formed at the edge on the rear side of the planar member 11 described above. The left and right portions of the through portion 12Ba that is inserted into the mouth and the left end of each of the through holes of the through portion 12Ba are bent in a straight shape toward the rear upper side and bent downward in a convex curved shape. It is formed of a wire material bent in a substantially U-shape in a plan view having a pair of hook portions 12Bb.

  As shown in FIGS. 3 to 4, the front and rear attachment wires 12A and 12B described above are passed through the through holes 11A and 11B on the respective sides of the planar member 11 through the through portions 12Aa and 12Ba. From the assembled state, first, as shown in FIG. 2, those hook portions 12Ab and 12Bb are respectively fitted to the front and rear collars 13A and 13B of the resin structure 13 described later, and are integrated with the resin structure 13. It is assembled. Here, the collar 13 </ b> B on the rear side of the resin structure 13 described above corresponds to the “placement tool” of the present invention.

  Then, next, the collars 13A and 13B of the resin structure 13 to which the attachment wires 12A and 12B are fitted are individually pushed and fitted to the front pipe 3Fc and the rear pipe 3Fd from the upper side. Thus, the attachment wires 12A and 12B are attached to the front pipe 3Fc and the rear pipe 3Fd from the upper side via the resin structure 13 (see FIGS. 5 and 8). Specifically, first, the rear side collar 13B of the resin structure 13 described later is fitted to the rear pipe 3Fd from the upper side, and then the procedure for assembling the resin structure 13 with the front pipe 3Fc and the rear pipe 3Fd is described. It is performed in the procedure of fitting the collar 13A to the front pipe 3Fc from the upper side.

  The reason is as follows. That is, as shown in FIG. 5, the collar 13B on the rear side of the resin structure 13 described above is attached to the side frame 3Fa on each side when the above-described rear pipe 3Fd is fitted from the upper side and assembled. By being set between the overhanging portions 3Sa extending from the resin side shield 3S to the inner side (axial direction) in the sheet width direction along the outer peripheral portion of the rear pipe 3Fd, the assembly in the sheet width direction to the rear pipe 3Fd This is because the position is to be positioned as a position between the overhanging portions 3Sa.

  Therefore, the resin structure 13 described above is fitted from the upper side to the front pipe 3Fc in such a manner that the collar 13A on the front side is dropped in an anteroposterior manner centering on the rear pipe 3Fd after the collar 13B on the rear side described above is assembled first. By assembling so as to fit together, the assembled position in the seat width direction with respect to the front pipe 3Fc of the front side collar 13A can also be positioned.

  By the above assembly, the attachment wires 12A and 12B can be attached to the front pipe 3Fc and the rear pipe 3Fd via the above-described resin structure 13 so that the planar member 11 can be provided between them. It has become. The mounting wires 12A and 12B described above are, as shown in FIG. 8, the load applied to the planar member 11 from the cushion pad 3P set at the upper portion of the planar member 11 described above in the resin structure 13 described above. The two-end support structure assembled to the front pipe 3Fc and the rear pipe 3Fd via the front and rear collars 13A and 13B enables strong support from the front and rear sides.

  Specifically, as shown in FIG. 9, the load of the seat occupant is applied to the seat cushion 3, and the mounting wires 12A and 12B described above receive a load such that the planar member 11 described above is pushed downward. At the same time, it is possible to elastically receive the above-mentioned load while rotating the hook portions 12Ab, 12Bb with the front and rear collars 13A, 13B with respect to the front pipe 3Fc and the rear pipe 3Fd. In that case, since each attachment wire 12A, 12B interposes resin-made collars 13A, 13B between front pipe 3Fc and rear pipe 3Fd mentioned above, metal rubs between front pipe 3Fc and rear pipe 3Fd. It is possible to smoothly rotate or return to the original position without generating abnormal noises associated with etc.

<< About the structure of the resin structure 13 >>
As shown in FIG. 1 to FIG. 2 and FIG. 5, the resin structure 13 has a front collar 13A in which the hook portions 12Ab of the pair of front attachment wires 12A are fitted and fitted from the upper side to the front pipe 3Fc. And the hooks 12Bb of the pair of mounting wires 12B on the rear side are engaged and the collar 13B on the rear side is engaged with the rear pipe 3Fd from the upper side, and the bridging portion integrally connecting the collars 13A and 13B before and after 13 C, and is configured to be an injection-molded one-piece integrally.

«About the front side color 13A»
As shown in FIGS. 3 to 4, the above-described front side collar 13A is attached in a state in which the pair of left and right hook portions 12Ab of the pair of front side attachment wires 12A described above are collectively positioned in the sheet width direction. It has a pair of laterally arranged attachment parts 13Aa that can be arranged, and a connection part 13Ab that integrally connects the attachment parts 13Aa. The pair of side-to-side attachment parts 13Aa mentioned above are each integrally resiliently fitted by individually pushing the left and right hook parts 12Ab of the front pair of attachment wires 12A from the upper side individually. A joint surface portion 13Aa2 extending in the sheet width direction so as to connect between a pair of hook-like bent extending fitting portions 13Aa1 and straight straight portions of the pair of fitting portions 13Aa1. And each side facing the side of the front edge side of the planar member 11 protruding outward along the shape of each attachment wire 12A fitted to these from each fitting portion 13Aa1, or the outer side in the sheet width direction And an upright wall portion 13Aa3 applied from the inside.

  The left and right fitting portions 13Aa1 in the horizontally arranged pair of attached portions 13Aa are respectively fitted in the form in which the left and right hook portions 12Ab of the pair of front attachment wires 12A are sandwiched from both sides in the sheet width direction. By pressing the individual U-shaped fitting grooves and the individual hook portions 12Ab into the respective fitting grooves, they are elastically hooked on the respective places of the hook portions 12Ab, and these are made into the respective fitting grooves. And a claw shape that can be locked so as not to slip out of the seat. Each of the fitting portions 13Aa1 described above is pushed from above into the front pipe 3Fc as shown in FIGS. 1 and 2 and 5 in a state in which the left and right hook portions 12Ab of the attachment wires 12A on the front side are fitted into them. As a result, the hooks are elastically bent by interference with the outer peripheral shape of the front pipe 3Fc and then restored, and are attached in a state of being hooked on the outer peripheral portion of the front pipe 3Fc. .

  Further, as shown in FIG. 5 and FIG. 8, each connecting surface portion 13Aa2 connecting each of the fitting portions 13Aa1 described above to one another forms an upper surface portion and a surface of the front pipe 3Fc to which each fitting portion 13Aa1 is hooked. Each fitting portion 13Aa1 is filled with a flat surface that smoothly connects the planar member 11 and the upper surface portion of the front pipe 3Fc to the gap Tf formed between the front edge of the bar-shaped member 11 and the surface portion of the front pipe 3Fc. It is formed in the form of connecting the With the above configuration, each connecting surface portion 13Aa2 is, as shown in FIG. 8 to FIG. 9, a bottom portion taken between the planar member 11 of the cushion pad 3P set on the upper portion of the planar member 11 described above and the front pipe 3Fc. The bottom of the cushion pad 3P is supported by a surface shape that smoothly connects between the planar member 11 and the front pipe 3Fc, and cushions from the above clearance Tf. The pad 3P can be held so as not to escape.

  In addition, as shown in FIGS. 3 and 5, each upright wall portion 13Aa3 that protrudes rearward from each fitting portion 13Aa1 described above along the shape of each attachment wire 12A is a hook on the left and right of each attachment wire 12A. The end of the tip protruding rearward along the shape of the portion 12Ab is bent in the sheet width direction along the shape of each attachment wire 12A bent from the hook portion 12Ab to the through portion 12Aa, and the planar member 11 It is applied from the outside or the inside of the sheet width direction to each side surface facing the side of the front edge side of the sheet. Each of the upright wall portions 13Aa3 described above has a substantially U-shaped cross-sectional fitting groove which can be fitted so as to sandwich the attachment wires 12A from both sides, similarly to the respective fitting portions 13Aa1 described above The erected wall-shaped portions sandwiching the through portions 12Aa of the attachment wires 12A from both the front and rear sides are applied from the outside or inside of the sheet width direction to the side faces facing laterally on the front edge side of the planar member 11 described above. It has become.

  More specifically, among the above-mentioned upright wall portions 13Aa3, from the upright wall portion 13Aa3 projecting to the rear side from the right fitting portion 13Aa1 in the right attached portion 13Aa and the left fitting portion 13Aa1 in the left attached portion 13Aa The erected wall portion 13Aa3 projecting to the rear side is projected in such a manner as to be bent inward in the sheet width direction along the shape of the corresponding attachment wire 12A, and the outer surface on the right side and the outer side on the left It is applied to the side surface from the outside in the sheet width direction. In addition, as shown in FIG. 6, from the left fitting portion 13Aa1 of the right attached portion 13Aa to the rear side from an upright wall portion 13Aa3 protruding to the rear side and the right fitting portion 13Aa1 of the left attached portion 13Aa An opening formed in the central portion on the front edge side of the planar member 11 with the overhanging wall portion 13Aa3 overhanging in the form of being bent outward in the sheet width direction along the shape of the corresponding attachment wire 12A. The right side inner surface and the left side inner surface of 11Aa are respectively applied from inside in the sheet width direction.

  By the contact structure of each of the upright wall portions 13Aa3 described above, as shown in FIG. 5, the displacement movement in both directions in the sheet width direction with respect to the collar 13A on the front side of the planar member 11 is restricted, and cushioning by the planar member 11 The support from the lower side of the pad 3P can always be properly performed. In detail, when each upright wall portion 13Aa3 is applied to the left and right inner side surfaces of the opening 11Aa on the front side of the planar member 11, the planar member 11 receives the load of the seated person, and the seat width direction The movement to be pushed inward is appropriately regulated, and the movement moved outward in the sheet width direction is also appropriately stopped. In addition, the respective vertical wall portions 13Aa3 are also applied to the left and right outer side surfaces of the planar member 11, so that the movement of the planar member 11 to the outside in the sheet width direction can be more appropriately stopped. It has become.

  With the above configuration, even if the planar member 11 receives the action of a load biased to the center in the seat width direction or any of the left and right regions due to the kneeling of the seated person, the seating structure of the respective standing wall portions 13Aa3 The position is properly regulated so as not to shift laterally in the width direction or in the respective directions. The respective standing wall portions 13Aa3 described above are always provided in a state in which they do not easily lift up from the through portions 12Aa of the mounting wires 12A due to the weight that the planar member 11 receives from the cushion pad 3P set on the upper side. It is held in a state of being properly applied from the side to the side.

  The connection portion 13Ab is bent in a hook shape of the fitting portion 13Aa1 of the left fitting portion 13Aa1 of the right attached portion 13Aa and the right fitting portion 13Aa1 of the left attached portion 13Aa. It is a half pipe shape along the shape, and these are connected in a form of integrally connecting them side by side.

"About the back side color 13B"
Similarly, as shown in FIGS. 3 to 4, the rear side collar 13B is attached in a state where the pair of left and right hook portions 12Bb of the pair of rear side attachment wires 12B described above are collectively positioned in the sheet width direction It has a pair of side-to-side attachment parts 13Ba which can be connected, and a connection part 13Bb which integrally connects the attachment parts 13Ba. The pair of side-to-side attachment parts 13Ba described above are resiliently engaged with each other by individually pushing the left and right hook parts 12Bb of the pair of rear side attachment wires 12B from above, and integrally attaching them. A joint surface portion extending in the sheet width direction so as to connect one pair of fitting portions 13Ba1 having a pair of hook-like extended shapes and a straight extending portion of the pair of fitting portions 13Ba1. 13Ba2 and the respective side surfaces facing the rear edge side of the planar member 11 and extending outward along the shape of the attachment wires 12B fitted to these from the fitting portions 13Ba1, or the outer side in the sheet width direction And an upright wall portion 13Ba3 applied from the inside. Furthermore, the pair of rear side attachment portions 13Ba described above also have fastening portions 13Ba4 extending in the sheet width direction so as to connect the rear end portions of the pair of fitting portions 13Ba1 in a shape of a single link.

  The left and right fitting portions 13Ba1 of the pair of attached portions 13Ba of the horizontal alignment described above are fitted in such a manner that the left and right hook portions 12Bb of the rear pair of attachment wires 12B are sandwiched from both sides in the sheet width direction. And each hook portion 12Bb is pushed into the corresponding fitting groove to be elastically hooked on the place of each hook portion 12Bb, and these are engaged And a claw shape that can be locked so as not to get out of the groove. As described above with reference to FIGS. 1 and 2 and FIG. 5, each of the fitting portions 13Ba1 described above is fitted to the upper side of the rear pipe 3Fd in a state in which the left and right hook portions 12Bb of the pair of rear side attachment wires 12B are fitted thereto. It is designed to be hooked and attached.

  Further, as shown in FIGS. 5 and 8, each connecting surface portion 13Ba2 connecting each of the fitting portions 13Ba1 with each other in a shape of one piece is an upper surface portion and a surface of a rear pipe 3Fd to which each fitting portion 13Ba1 is hooked. Each fitting portion is filled with a flat surface that smoothly connects the planar member 11 and the upper surface portion of the rear pipe 3Fd with the clearance Tr formed between the rear side edge portion of the bar-shaped member 11 and the upper surface portion of the rear pipe 3Fd. It is formed in the form of connecting 13Ba1. With the above configuration, as shown in FIGS. 8 to 9, each connecting surface portion 13Ba2 is a bottom portion between the planar member 11 of the cushion pad 3P set on the upper portion of the planar member 11 described above and the rear pipe 3Fd. The bottom of the cushion pad 3P is supported by a surface shape that smoothly connects between the planar member 11 and the rear pipe 3Fd, and cushions from the clearance Tr described above. The pad 3P can be held so as not to escape.

  Further, as shown in FIGS. 3 and 5, each upright wall portion 13Ba3 projecting from the fitting portion 13Ba1 described above to the front side along the shape of each attachment wire 12B is a hook portion on the left and right of each attachment wire 12B. The end of the front end projecting forward along the shape of 12Bb is bent in the sheet width direction along the shape of each attachment wire 12B bent from each hook portion 12Bb to the through portion 12Ba, and the rear of the planar member 11 It is applied from the outside or the inside of the sheet width direction to each side surface facing the lateral side of the edge side. Each of the upright wall portions 13Ba3 described above has a substantially U-shaped cross-sectional fitting groove which can be fitted so as to sandwich the attachment wires 12B from both sides, similarly to the respective fitting portions 13Ba1 described above The erected wall-shaped portions sandwiching the through portions 12Ba of the attachment wires 12B from both the front and rear sides are applied from the outside or inside of the sheet width direction to the side faces facing laterally on the rear edge side of the planar member 11 described above. It has become.

  Specifically, among the above-mentioned upright wall portions 13Ba3, the front wall portion 13Ba3 projects from the right fitting portion 13Ba1 in the right attached portion 13Ba to the front side, and the left fitting portion 13Ba1 in the left mounted portion 13Ba to the front side The projecting wall portion 13Ba3 projects in the form of being bent inward in the sheet width direction along the shape of the corresponding attachment wire 12B, and the right outer surface and the left outer surface of the planar member 11 Are respectively applied from the outside in the sheet width direction. In addition, as shown in FIG. 7, an upright wall portion 13Ba3 overhanging from the left fitting portion 13Ba1 in the right attached portion 13Ba to the front side and an outward projecting from the right fitting portion 13Ba1 in the left attached portion 13Ba The standing wall portion 13Ba3 is extended in a shape of being bent to the outside in the sheet width direction along the corresponding shape of each attachment wire 12B, and the opening portion 11Ba formed at the central portion on the rear edge side of the planar member 11 The right inner surface and the left inner surface are respectively applied from the inside in the sheet width direction.

  By the contact structure of each of the upright wall portions 13Ba3 described above, as shown in FIG. 5, displacement movement in both directions in the sheet width direction with respect to the collar 13B on the rear side of the planar member 11 is restricted. Support from the lower side of the cushion pad 3P can always be properly performed. More specifically, the respective upright wall portions 13Ba3 are respectively applied to the left and right inner side surfaces of the opening 11Ba on the rear side of the planar member 11, so that when the planar member 11 receives a load from the seated person, the sheet width direction The movement toward the inside of the sheet is appropriately regulated, and the movement moved outward in the sheet width direction is also appropriately stopped. In addition, the respective vertical wall portions 13Ba3 are also applied to the left and right outer side surfaces of the planar member 11, so that the movement of the planar member 11 to the outside in the sheet width direction can be more appropriately stopped. It has become.

  In addition, as shown in FIG. 4, the respective fastening portions 13Ba4 formed in a shape of connecting the rear end portions of the respective fitting portions 13Ba1 in the pair of rear side attachment portions 13Ba described above in a single connection form It is configured to be bridged between the respective fitting parts 13Ba1 in the inter-placement area connecting the rear end side shape parts bent in a hook shape to the rear lower side of the joint part 13Ba1, and these fitting parts It is set as the shape which has the extension part 13Ba4a extended in plate shape from the each location bridged between 13Ba1 to the front lower side. As shown in FIG. 8, the extension portion 13Ba4a of each fastening portion 13Ba4 described above extends the lower region of the rear pipe 3Fd from the rear upper side to the front lower side, and the seat cushion described above is provided at the tip A J hook 3Ca made of resin is hooked and fixed from the rear side to a terminal end of the cushion cover 3C which is drawn downward through the peripheral edge on the rear side of 3.

  Each fastening part 13Ba4 of the above-mentioned composition is made into the both-ends support structure which was bridged between each fitting part 13Ba1 mentioned above, and it becomes right and left of each attachment wire 12B fitted by these fitting parts 13Ba1. The hooks 12Bb are also bridged between the hooks 12Bb, and are strongly supported by the hooks 12Bb. Thus, each fastening portion 13Ba4 is configured to have a structural strength capable of strongly receiving the tension of the cushion cover 3C received from the above-described respective J hooks 3Ca hooked thereto.

  With the above configuration, even if the planar member 11 receives the action of a load biased to the center in the seat width direction or any of the left and right regions due to the kneeling of the seated person, the seat structure of the respective upright wall portions 13Ba3 The position is properly regulated so as not to shift laterally in the width direction or in the respective directions. Each standing wall portion 13Ba3 described above is always provided in a state in which it does not easily lift up from the through portion 12Ba of each mounting wire 12B due to the weight that the planar member 11 receives from the cushion pad 3P set on the upper side. It is held in a state of being properly applied from the side to the side.

  The connecting portion 13Bb is formed by bending the left fitting portion 13Ba1 of the right attached portion 13Ba and the right fitting portion 13Ba1 of the left attached portion 13Ba into hooks of the fitting portion 13Ba1. It is a half pipe shape along the shape, and these are connected in a form of integrally connecting them side by side.

<< About Crosslinked Part 13C >>
As shown in FIGS. 3 to 4, the bridge portion 13C is integrally formed in a substantially ladder-like shape in plan view in which the rear edge portion of the front side collar 13A and the front edge portion of the rear side collar 13B are bent downward. It is set as the structure formed in the shape connected in a row. Specifically, the bridging portion 13C extends from the rear edge near the two inner fitting portions 13Aa1 toward the rear side from the inner side in the sheet width direction of the left and right connecting surface portions 13Aa2 of the front side collar 13A. The first bridge portion 13C1 extends in a substantially H-shape in plan view, and extends in the width direction outward across the rear ends of the H character of the first bridge portion 13C1 and extends the same. A second cross-linked portion 13C2 extending so as to be connected to a front edge portion near the two outer fitting portions 13Ba1 on the outer side in the sheet width direction of the left and right connecting surface portions 13Ba2 of the rear collar 13B; It is formed in the form of having.

  The first cross-linked portion 13C1 described above is formed in a shape in which the whole is bent downward in a valley shape with the H-shaped cross-linked cross section taken as a bending line (see FIG. 8). Then, as shown in FIGS. 3 to 4, a substantially C-shaped hooking portion 13C3 overhangs to both sides in the sheet width direction from the laterally bridged connecting portion of the above-described H-shaped first crosslinking portion 13C1. Is formed. In these hooking portions 13C3, the lower end side portion drawn in the lower front of the back cover (not shown) put on the back and back surface of the seat back 2 described above in FIG. 1 via the rubber band (not shown) It is a part that is hooked and fixed from the lower side.

  Further, as shown in FIG. 3 to FIG. 4, attachment holes 13C4 penetrating in the height direction are formed in the various places of the above-mentioned first cross-linked portion 13C1 and the above-mentioned second cross-linked portion 13C2. These mounting holes 13C4 function as mounting portions for inserting and fixing various wire harnesses W / H arranged through the lower region of the planar support 10 from below using the clip CL. It has become. As described above with reference to FIG. 8, the cross-linked portion 13 </ b> C described above has a configuration in which the whole is bent downward to connect the front collar 13 </ b> A and the rear collar 13 </ b> B. It is provided in the form of being separated from the back surface of the lower side. Thereby, as shown in FIG. 9, even if the sheet-like member 11 receives the load of the seated person and is pushed downward, the bridge portion 13C is configured to be less likely to interfere with the sheet-like member 11 .

  Therefore, the clips CL of the respective wire harnesses W / H inserted from the lower side into the respective mounting holes 13C4 of the cross-linking portion 13C are also in the form of projecting the shape upward to some extent from the respective mounting holes 13C4. Even if it is attached, it does not interfere easily with the planar member 11 mentioned above. As such, each wire harness W / H is properly routed in the region immediately below the planar member 11 without giving the wire harness W / H a wasteful excess length for escaping the interference with the planar member 11. It can be done.

Summary
Summarizing the above, the seat 1 of the present embodiment has the following configuration. That is, it is a vehicle seat (1) having a planar support (10) which is bridged between frame-like seat frames (3F) to support the load of a seated person in a plane from the back side. The sheet support (10) comprises a flexible sheet-like member (11) having a sheet-like support surface, and the edge of the sheet-like member (11) on the cross-linked end side as a sheet frame (3F) It has a mounting wire (12B) to be attached, and a resin-made installation tool (13B) interposed between the mounting wire (12B) and the seat frame (3F). The attachment wire (12B) has a pair of hooks (12Bb) attached to the seat frame (3F) by being hooked side by side. The fixture (13B) has a fastening portion (13Ba4) attached in a bridging manner between the pair of hook portions (12Bb) and to which a seat cover (3C) covering the vehicle seat (1) is fastened .

  With such a configuration, the fastening portion (3C) of the seat cover (3C) is bridged between the pair of hook portions (12Bb) of the attachment wire (12B) to the resin-made fixture (13B). By setting 13Ba4), the seat cover (3C) can be fastened rationally and firmly using the attachment wire (12B).

  Also, the fastening portion (13Ba4) of the fixture (13B) is bridged between the pair of hook portions (12Bb) in the inter-placement region connecting between the pair of hook portions (12Bb) of the attachment wire (12B) There is. With such a configuration, the fastening portion (13Ba4) of the fixture (13B) can be provided in a state of being more firmly supported between the pair of hook portions (12Bb) of the attachment wire (12B) .

  Also, a plurality of mounting wires (12B) are provided side by side along the edge portion of the planar member (11) to be bridged, and the pair of hook portions (12Bb) of each mounting wire (12B) The fastening portion (13Ba4) of the intermediate fixture (13B) is attached in a bridging manner. As described above, by setting the attachment wires (12B) in a plurality of lateral arrangements, the fastening portion of the fixture (13B) is provided between the pair of hooks (12Bb) of each attachment wire (12B). (13Ba4) can be provided in a state of being firmly supported by a short support span.

  In addition, the mounting wire (12B) has a through portion (12Ba) that is passed through the tubular through hole (11B) formed along the edge of the planar member (11) on the bridge side. A pair of hook portions (12Bb) extend in a bending manner toward the seat frame (3F) from both ends of the through portion (12Ba). With such a configuration, the end of the attachment wire (12B) is not included in the through portion (12Ba) passed through the planar member (11), so the planar member (11) is too large. When the load is applied, it is possible to prevent the planar member (11) from being broken or damaged due to the hooking of the end of the mounting wire (12B).

  In addition, the fastening portion (13Ba4) of the fixture (13B) extends from the attachment location to the pair of hook portions (12Bb) to a region out of the inter-placement region connecting the pair of hook portions (12Bb) It has an extending portion (13Ba4a), and the seat cover (3C) is fixed to the extending portion (13Ba4a). With such a configuration, the seat cover (3C) can be properly separated from a member such as the attachment wire (12B) which is desired to avoid interference, and a more appropriate position can be selected and fixed. it can.

<< Other Embodiments >>
As mentioned above, although embodiment of this invention was described using one Example, this invention can be implemented with various forms other than the said Example. For example, the vehicle seat of the present invention can be widely applied to a vehicle other than a car such as a railway, or a seat provided for another vehicle such as an aircraft or a ship. Further, the configuration of the present invention is applicable to the seat back as well as the seat cushion in the vehicle seat.

  Further, the planar support may be any structure provided that it is bridged between the seat frames to support the load of the seat occupant in a planar manner from the back side, and the frame-like cushion frame forming the framework of the seat cushion In addition to those that are cross-linked in the front-rear direction, they may be cross-linked in the sheet width direction. In addition, the frame-shaped back frame forming the frame of the seat back may be crosslinked in the height direction or may be crosslinked in the sheet width direction.

  Moreover, the flexible planar member which forms a planar support surface may consist of flexible facings other than fabric materials, such as a leather material. In addition to the hooks attached by hooking to the seat frame, the attachment wires for attaching the edge of the cross-linked end of the planar member to the seat frame are attached by being locked to the lock claws or fixed by caulking. It may be attached to a seat frame by other attachment structures, such as a thing. Further, the seat frame to which the attachment wire is attached may be made of a frame material other than a round pipe such as a square pipe or a plate material. The seat frame is configured, for example, as a round pipe connecting lifter links constituting the seat lifter, and pivots with respect to the attachment wire hooked on the round pipe via the resin-made installation tool. It may be configured as follows.

  In addition, the resin-made fixtures need only be configured to be interposed between the attachment wire and the seat frame, and they are necessarily fitted integrally with the attachment wire and attached to the seat frame. It does not have to be possible. In addition, three or more or only one attachment wire may be provided side by side.

  Further, the fastening portion set in the installation tool may be one in which the installation tool is set for the seat cushion, or may be for fastening the back cover drawn from the seat back. . Further, the fastening portion may fasten any circumferential end of the seat cover depending on the setting position.

1 seat (vehicle seat)
2 seat back 3 seat cushion 3S side shield 3Sa overhang part 3F cushion frame (seat frame)
3Fa side frame 3Fb front panel 3Fc front pipe 3Fd rear pipe 3Fe leg 3P cushion pad 3C cushion cover (seat cover)
3Ca J hook 4 slide rail 10 planar support 11 planar member 11A through-hole 11Aa opening 11B through-hole 11Ba opening 12A mounting wire 12Aa through-portion 12Aa hook 12B mounting wire 12Ba through-wire 12Ba through-portion 12Bb hook 13 resin structure 13A Collar 13Aa Attached portion 13Aa1 Fitting portion 13Aa2 Joint surface portion 13Aa3 Vertical wall portion 13Ab Connection portion 13B Color (intermediate)
13Ba attached portion 13Ba1 fitting portion 13Ba2 joint surface portion 13Ba3 upright wall portion 13Ba4 attachment portion 13Ba4a extension portion 13Bb connection portion 13C bridge portion 13C1 first bridge portion 13C2 second bridge portion 13C3 hook portion 13C4 attachment hole W / H wire harness CL Clip Tf, Tr gap

Claims (5)

A vehicle seat having a planar support bridged between frame-like seat frames to support the load of a seated occupant in a plane from the back side,
A flexible planar member in which the planar support forms a planar supporting surface; an attachment wire for attaching an edge portion of the planar member on the bridge side to the seat frame; and the attachment wire And a resin fitting interposed between the seat frame and the seat frame;
The attachment wire has a pair of hooks that are hooked and attached side by side to the seat frame,
A vehicle seat having a fastening portion to be attached in a bridging manner between the pair of hooks and to which a seat cover covering the vehicle seat is fastened. A vehicle seat according to claim 1, wherein
A vehicle seat, wherein the fastening portion of the fixture is bridged between the pair of hook portions in an inter-placement region connecting between the pair of hook portions of the attachment wire. The vehicle seat according to claim 1 or 2, wherein
A plurality of the attachment wires are provided side by side along the edge of the planar member on the bridge end side, and the attachment of the attachment is held between the pair of hooks of the attachment wires. A vehicle seat with parts attached to the bridge. A vehicle seat according to any one of claims 1 to 3, wherein
The attachment wire has a through portion which is inserted into a cylindrical through-hole formed along the edge of the planar member on the bridged end side, and the pair of hook portions from both ends of the through portion A vehicle seat having a shape of a continuous line extending in a bent shape toward the seat frame. The vehicle seat according to any one of claims 1 to 4, wherein
The fastening portion of the fixture has an extension portion extending from an attachment location to the pair of hook portions to a region out of the inter-placement region connecting between the pair of hook portions, the extension A vehicle seat to which the seat cover is fastened at a site.

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