JP6427025B2 - Sheet - Google Patents

Description

  The present invention relates to a sheet comprising a pad formed with an air passage for passing air.

  BACKGROUND Conventionally, there has been known a seat configured to be able to create a comfortable sitting environment by blowing air to a seated person or the like. For example, Patent Document 1 discloses a cushion pad having a groove-like air passage formed on the surface on the side of a seated person, or a plate-like air permeable material arranged to cover a part of the air passage from the side of the seated person. There is disclosed a vehicle seat provided with a layer, a seat cover that covers these, and the like.

JP, 2012-218655, A

  By the way, since the air flows in the place where the resistance is small, in the prior art, there is a possibility that the air introduced into the ventilation passage leaks out from a portion of the ventilation passage not covered with the air permeable material layer. Then, the air can not be sufficiently blown out from the blowout port of the air permeable material layer, which causes a problem that the air conditioning performance of the sheet is lowered.

Then, an object of this invention is to provide the sheet | seat which can improve air-conditioning performance.
Another object of the present invention is to provide a sheet capable of determining the position of the surface material, improving the design of the sheet, and suppressing the feeling of contact of the seamed portion of the surface material.
Another object of the present invention is to provide a sheet capable of improving the assembling work efficiency of the surface material, and capable of satisfactorily fixing and positioning the surface material while minimizing the fixing position of the surface material. .
Moreover, this invention aims at providing the sheet | seat which can improve the attachment strength of a member.
Another object of the present invention is to provide a sheet capable of improving the appearance of the sheet.
Another object of the present invention is to provide a sheet capable of improving the degree of freedom in the design of the sheet.
Moreover, this invention aims at providing the sheet | seat which can improve the functionality of a surface material.

  In order to achieve the above-mentioned object, the sheet of the present invention is a sheet provided with a pad in which an air passage for passing air is formed, and the pad is provided with a first recess and a second recess recessed in the surface on the seat occupant side. A pad having a recess, and a hole provided between the first recess and the second recess to connect the first recess and the second recess, and at least a portion of which passes through on the opposite side to the seated person A first vent hole is provided which is disposed so as to cover the first recess and which forms a part of the air passage between the first recess and the first recess, and which communicates the inside and the outside of the air passage. A second vent is disposed so as to cover the first cover member and the second recess to form a part of the vent between the second recess, and the second vent communicating the inside of the vent with the outside. A second cover member provided, and the first cover member covering the hole from the seat occupant side A third cover member that is disposed between the bar member and the second cover member, characterized in that it comprises a.

  According to such a configuration, it is possible to set an optimal configuration, material, etc. for each cover member, and since the first recess, the second recess and the hole are covered by the corresponding cover members, The air can be favorably flowed between a portion of the hole which is penetrated to the side opposite to the seat occupant side and the first vent and the second vent. Thereby, the air conditioning performance of the seat can be improved.

  In the sheet described above, the third cover member may be configured to have lower air permeability than the first cover member and the second cover member.

  According to this, the air can be better flowed between the part of the air passage through which the hole penetrates and the first air hole and the second air hole, so that the air conditioning performance of the sheet can be further improved. Can.

  The seat described above includes a skin material covering the pad, the skin material having a suture portion, and the pad is a suture portion disposition groove in which the suture portion is disposed in a surface on the seat occupant side. Can be configured.

  According to this, it is possible to determine the position of the skin material by the suture portion entering the suture portion disposition groove. In addition, by determining the position of the skin material (stitch portion), the line of the suture portion can be made to look clean, so the design of the sheet can be improved. Furthermore, since it is possible to suppress that the sutured part protrudes toward the seated person, the touch feeling of the sutured part can be suppressed.

  In the seat described above, the pad may be provided with a fixing member for fixing the skin material to the pad on the surface on the seat occupant's side of the pad main body.

  According to this, by providing the fixing member on the surface of the pad main body on the seat occupant side, the mounting workability of the surface material can be improved. Furthermore, since the position of the skin material is determined by the entry of the suture portion into the suture portion disposition groove, fixing and positioning of the skin material can be favorably performed while minimizing the installation location of the fixing member (fixing location of the skin material). it can.

  In the above-described sheet, the fixing member may be provided in the suture portion disposition groove.

  According to this, since the skin material can be fixed at the position of the suture portion placement groove with the suture portion intruding into the suture portion placement groove, the position of the skin material can be determined better.

  Further, in the seat described above, a skin material covering the pad is provided, and the pad is provided with a fixing member for fixing the skin material to the pad on the surface on the seated person side of the pad main body. be able to.

  According to this, by providing the fixing member on the surface of the pad main body on the seat occupant side, the mounting workability of the surface material can be improved.

  In the sheet described above, the fixing members may be disposed on both sides of the third cover member so as to sandwich the third cover member.

  According to this, since the third cover member can be pressed by the surface material fixed to the pad main body, the attachment strength of the third cover member can be improved.

  The sheet described above includes a hook and loop fastener including a detachable first fastener member and a second fastener member, the fixing member is the first fastener member, and the second fastener member is a seat of the skin material. It can be set as the structure provided in the surface on the opposite side to the person side.

  According to this, by using the surface fastener for fixing the skin material, the floating of the skin material can be suppressed, so the appearance of the sheet can be improved. In addition, it is possible to further improve the assembling workability of the skin material.

  In the seat described above, the pad may have a hanging groove on the surface on the seat occupant side for hanging the skin material, and the hanging groove may be deeper than the suture portion arrangement groove. it can.

  According to this, it is possible to suppress the generation of wrinkles of the skin material when the skin material is suspended in the hanging groove because the hanging groove is deep. Thereby, the appearance of the sheet can be improved.

  In the seat described above, at least one of the first concave portion and the second concave portion and the suture portion disposing groove may be provided so as to intersect with each other as viewed from the seater.

  According to this, it is possible to arrange the sewn part of the skin material in the sewn part arranging groove without obstructing the air conditioning performance of the sheet, so that the degree of freedom in design of the sheet is improved while improving the air conditioning performance. Can.

  In the seat described above, the pad has, on the surface on the seat occupant side, a third air vent communicating the inside of the air passage with the outside, and the suture portion disposition groove and the third air vent are seat occupants When viewed from the side, at least a part may be provided so as to overlap.

  According to this, it is possible to arrange the sewn part of the skin material in the sewn part arranging groove without obstructing the air conditioning performance of the sheet, so that the degree of freedom in design of the sheet is improved while improving the air conditioning performance. Can.

  The above-mentioned sheet is provided with a skin material covering the pad, and the skin material has a plurality of through holes, and a first sheet constituting the surface portion of the skin material, and has air permeability, and And a second sheet which is disposed on the side opposite to the seat occupant side of one seat and which is exposed from the through hole.

  According to this, for example, since the first sheet and the second sheet can be formed of different materials, colors, etc., it is possible to improve the functionality of the surface material or to improve the degree of freedom of the sheet design. it can.

  In the sheet described above, the first sheet and the second sheet may be configured to have different colors.

  According to this, since a three-dimensional design can be realized, the design of the sheet can be improved.

  According to the present invention, the air conditioning performance of the seat can be improved.

  Further, according to the present invention, the air conditioning performance of the seat can be further improved by setting the third cover member to have a lower air permeability than the first cover member and the second cover member.

  Further, according to the present invention, the position of the surface material can be determined or the design of the sheet can be improved by providing a suture portion arrangement groove in which the surface material suture portion enters and is disposed on the seat side of the pad. It is possible to reduce the feeling of hitting the sutured part.

  Further, according to the present invention, in the configuration having the suture portion disposition groove, by providing the fixing member for fixing the skin material to the pad on the surface on the seated person side of the pad main body, the assembling workability of the skin material is improved. Alternatively, the surface material can be well fixed and positioned while minimizing the fixing position of the surface material.

  Further, according to the present invention, by providing the fixing member in the suture portion disposition groove, the position of the skin material can be determined more favorably.

  Further, according to the present invention, by providing the fixing member for fixing the skin material to the pad on the surface of the pad main body on the side of the seat occupant, the workability of assembling the skin material can be improved.

  Further, according to the present invention, the fixing strength of the third cover member can be improved by arranging the fixing members on both sides of the third cover member so as to sandwich the third cover member.

  Further, according to the present invention, by using the surface fastener for fixing the skin material, it is possible to improve the appearance of the sheet or to further improve the assembling workability of the skin material.

  Further, according to the present invention, the appearance of the sheet can be improved by making the hanging groove of the pad deeper than the stitching groove.

  Further, according to the present invention, by providing at least one of the first concave portion and the second concave portion and the suture portion disposition groove to be crossed, it is possible to improve the degree of freedom in the design of the sheet while improving the air conditioning performance. Can.

  Further, according to the present invention, the degree of freedom in the design of the sheet can be improved while improving the air conditioning performance by providing the suture portion disposition groove and the third vent of the pad so as to at least partially overlap. it can.

  Further, according to the present invention, by providing the skin material with the first sheet and the second sheet exposed from the through hole of the first sheet, the functionality of the skin material can be improved, and the sheet design can be improved. It is possible to improve the degree of freedom.

  Further, according to the present invention, the designability of the sheet can be improved by making the colors of the first sheet and the second sheet different.

It is a perspective view of a vehicular seat as a seat concerning an embodiment. It is a perspective view of a back pad main body, a 1st cover member, a 2nd cover member, a film-like member, and a seat back heater. It is a front view of the back pad main body. It is a front view of a seat back pad. They are a front view (a) of a seat back pad and a seat back heater, and the A section enlarged view (b) of (a). It is XX sectional drawing of Fig.5 (a). It is YY sectional drawing of Fig.5 (a). It is sectional drawing of a skin material. It is a perspective view of a cushion pad main body, a 4th cover member, a 5th cover member, and a seat cushion heater. It is a top view of a seat cushion pad. It is a top view (a) of a seat cushion pad and a seat cushion heater, and the B section enlarged view (b) of (a). It is ZZ sectional drawing of FIG. It is sectional drawing corresponded to the YY cross section of Fig.5 (a) of the vehicle seat which concerns on a modification.

Next, embodiments of the invention will be described in detail with reference to the drawings. In the present invention, front and rear, right and left, upper and lower are based on the person sitting on the seat (seated person).
As shown in FIG. 1, the seat according to the present embodiment is configured as a vehicle seat S used in an automobile, and includes a seat cushion S1, a seat back S2, and a headrest S3.

The vehicle seat S includes a seat frame (not shown), a pad P placed on the seat frame, a sheet-like heater H disposed on the surface of the pad P on the seat occupant side, and a covering material covering the pad P and the heater H. Mainly equipped with seven.
The pad P includes a seat cushion pad P1 which is a pad of the seat cushion S1 and a seat back pad P2 which is a pad of the seat back S2. In addition, the heater H is disposed on the seat cushion heater H1 disposed on the upper surface of the seat cushion pad P1, which is the surface on the seat occupant side, and the front surface of the seat back pad P2 on the seat occupant side. And a seat back heater H2.

  As shown in FIG. 2, the seat back pad P2 includes a back pad main body 21 as a pad main body, a first cover member 22 and a second cover member 23 as a cover member, and a film-like member 24 as a third cover member. And an air passage 20 for passing air therethrough. In addition, the seat back pad P2 is provided on the back central portion P21 facing the upper back of the seated person, and the left and right back sides provided to project in front of the back central portion P21 on the left and right sides of the back central portion P21. And a part P22.

  As shown in FIG. 3, the back pad main body 21 is formed of urethane foam or the like, and is formed in the back central portion P21 so as to be recessed backward on the front surface, and is a first recess 211 and a second recess as recesses. 212 and a hole 213.

The first concave portion 211 has a substantially rectangular shape which is long in the vertical direction, as viewed from the front side of the seat back of the seat back S2, and is formed to extend from the central portion to the lower portion of the back central portion P21. The upper end of the first concave portion 211 is formed such that the central portion is connected to the lower end of the hole portion 213. Inside the first concave portion 211, convex portions 214 protruding forward from the bottom surface of the first concave portion 211 are provided vertically aligned. The convex part 214 is a part which supports the 1st cover member 22 mentioned later from back.
The second recess 212 has a substantially elongated shape in the left and right as viewed from the front side, and is formed at an upper portion of the back central portion P21 at a distance from the upper end of the first recess 211. The lower end of the second concave portion 212 is formed such that the central portion is connected to the upper end of the hole portion 213. The left and right lengths of the first recess 211 and the second recess 212 are substantially the same.

  The hole portion 213 is formed to be long vertically as viewed from the front side, and provided between the first concave portion 211 and the second concave portion 212. The left and right lengths of the hole 213 are smaller than the left and right lengths of the first recess 211 and the second recess 212. The hole portion 213 is formed to connect the central portion of the upper end of the first concave portion 211 and the central portion of the lower end of the second concave portion 212. The bottoms of the first recess 211, the second recess 212, and the hole 213 are substantially flush. The hole portion 213 has a substantially oval through portion 213A, which is a part in the vertical direction central portion and penetrates to the rear side opposite to the seat occupant side of the seat back S2.

  As shown in FIG. 4, the first cover member 22 is a member disposed so as to cover the first recess 211 from the front side, and forming a part of the air passage 20 with the first recess 211. The first cover member 22 is formed of urethane foam or the like in a substantially rectangular plate shape that is long in the vertical direction. The first cover member 22 is provided with a first air hole 221 (air hole) penetrating in the back and forth direction, which communicates the inside of the air passage 20 with the outside of the seat back pad P2. A plurality of first vent holes 221 are provided. More specifically, one first vent hole 221 is provided in each of the upper portion, the central portion, and the lower portion of the left and right end portions of the first cover member 22. Further, the first vent hole 221 is provided at a position corresponding to the position between the adjacent convex portions 214 and a position corresponding to the lower side of the lowermost convex portion 214 at the central portion in the left-right direction of the first cover member 22. Three each are provided side by side. Further, the first cover member 22 is provided with a groove forming recess 222 which is recessed rearward on the left and right ends of the front surface. The groove forming recess 222 forms a part of a suture portion arranging groove 25 described later. The first cover member 22 is fixed to the back pad main body 21 by attaching the peripheral edge portion of the rear surface to the portion around the first recess 211 of the back pad main body 21 with an adhesive.

  The second cover member 23 is a member disposed so as to cover the second recess 212 from the front side and forming a part of the air passage 20 with the second recess 212. The second cover member 23 is formed of urethane foam or the like in a substantially rectangular plate shape long in the left and right direction. The second cover member 23 is provided with a second air hole 231 (air hole) penetrating in the back and forth direction, which communicates the inside of the air passage 20 with the outside of the seat back pad P2. A plurality of second vent holes 231 are provided. More specifically, one second vent hole 231 is provided at each of the left and right end portions of the second cover member 23. Further, in the second cover member 23, two groove portions 232 which are recessed rearward are provided in the left and right direction at a predetermined interval D at the center in the left-right direction of the front surface. The groove portion 232 forms a part of the suture portion arrangement groove 25 in the same manner as the groove forming recess 222 of the first cover member 22. The second cover member 23 is fixed to the back pad main body 21 by attaching the peripheral edge portion of the rear surface to the portion around the second concave portion 212 of the back pad main body 21 with an adhesive.

  The seat back pad P2 has a plurality of vent holes 221 and 231 provided in the first cover member 22 and the second cover member 23, so that the vent hole communicating the inside of the vent passage 20 with the outside on the front surface. It has a plurality of 221, 231.

  The film-like member 24 is a member disposed so as to cover the hole 213 from the front side, and forming a part of the air passage 20 with the hole 213, and is a member of the first cover member 22 and the second cover member 23. It is arranged between. The film-like member 24 is a film made of a synthetic resin material such as polypropylene (PP) or polyethylene (PE), and is a substantially rectangular plate-like member which is long vertically and thinner than the first cover member 22 and the second cover member 23. Is formed. The film-like member 24 has a lower air permeability than the back pad body 21, the first cover member 22, and the second cover member 23. Specifically, the film-like member 24 is formed of a material having lower air permeability than the back pad main body 21, the first cover member 22 and the second cover member 23, and no hole penetrating in the front and back direction is provided. The air permeability is lower than that of the back pad body 21, the first cover member 22 and the second cover member 23. In addition, air permeability can be measured and compared according to the Frazier method (JIS L 1096 (Fabric test method for woven fabric and knitted fabric) 8.26.1 A) or the like. The film-like member 24 is fixed to the back pad main body 21 by attaching the left and right end portions of the rear surface to the left and right sides of the hole portion 213 of the back pad main body 21 with an adhesive.

  The seat back S2 is configured to suck air from the first air holes 221 and the second air holes 231 when air in the air passage 20 is sucked from the through portion 213A by a blower not shown. The seat back S2 may be configured to blow out air from the first vent hole 221 and the second vent hole 231.

The seat back pad P2 has a suture portion disposition groove 25 as a first groove and a hanging groove 26 as a second groove, which are formed to be recessed rearward in the front surface.
The hanging groove 26 is a groove for hanging the skin material 7 and is provided one by one between the back center portion P21 and the left and right back side portions P22. Each of the hanging grooves 26 is formed as a groove deeper than the suture portion arranging groove 25 and is provided to extend substantially in the vertical direction.

  The suture portion disposition groove 25 is a groove in which a suture portion 7A of the skin material 7 described later is inserted and disposed, and two are provided side by side in the left-right direction central portion of the back central portion P21. Each suture portion placement groove 25 is provided to extend substantially in the vertical direction. More specifically, when viewed from the front side, the suture portion disposition grooves 25 are provided under the first portion 251 and the first portion 251, which have a predetermined distance D or less. And a second portion 252 which is larger than the distance D of The first portion 251 extends from the upper end of the central portion of the back central portion P21 in the left-right direction, through the groove portion 232 of the second cover member 23, to the left or right portion of the hole 213 (film member 24), It is provided to extend substantially straight along the vertical direction. In addition, the second portion 252 extends from the lower end of the first portion 251 to the left or right of the hole portion 213 of the back central portion P21 along the upper end of the first cover member 22 outward in the left-right direction After being bent downward on the upper side of the forming recess 222, it is provided to extend substantially straight along the vertical direction to the lower end of the back central portion P21 through the groove forming recess 222 of the first cover member 22 . Each suture portion disposition groove 25 is provided to intersect the second recess 212 in the first portion 251.

  Each suture portion disposition groove 25 has a wide portion 253 at the lower end portion of the first portion 251, more specifically, the portion positioned on the left or right of the hole 213 (film-like member 24). The wide portion 253 is formed such that the lateral outer edge of the first portion 251 extends outward beyond the other portions of the first portion 251, so that the wider portion 253 is wider than the other portions of the suture portion placement groove 25. Is getting wider. A sheet-like first fastener member 51 as a fixing member is provided on the bottom of the wide portion 253 provided in the first portion 251 of each suture portion disposition groove 25.

  The first fastener member 51 is a member for fixing the skin material 7 to the pad P, and constitutes the surface fastener 5 together with the sheet-like second fastener member 52 (see FIG. 7) provided on the skin material 7 . The first fastener member 51 and the second fastener member 52 have, for example, a configuration adopted for a known surface fastener and are detachable from each other. The first fastener member 51 is provided on the wide portion 253 and is provided on the front surface of the back pad main body 21. The first fastener member 51 is disposed on both the left and right sides of the hole 213 and the film-like member 24 so as to sandwich the hole 213 and the film-like member 24. In addition, the first fastener member 51 functions as a positioning member for the seat back heater H2.

  As shown in FIG. 5A, the seat back heater H2 mainly includes a sheet-like base material 41 and a plurality of heater wires 42 supported by the base material 41. It is arranged between the skins 7. Further, the seat back heater H2 has a central heater H21 facing the upper back of the seated person, and left and right side heaters H22 provided on the left and right sides of the central heater H21.

  The substrate 41 is made of non-woven fabric and has breathability. The base 41 has a substantially rectangular base central portion 411 which is long in the upper and lower sides of the central heater H21, and left and right base sides 412 which form the left and right side heaters H22. The left and right base material side portions 412 are formed symmetrically in the left-right direction so as to form an H-shape sandwiching the base material central portion 411. More specifically, the left and right base side portions 412 respectively extend from the vertically elongated substantially central portion of the side body 412A and the vertically elongated side body 412A toward the inner side (central portion heater H21) in the vertical direction. The base portion 411 is formed in a substantially T shape having a connecting portion 412B connected to the base portion central portion 411 (the central portion heater H21).

The base material central portion 411 (central portion heater H21) is disposed so as to cover substantially the entire front surface of the back central portion P21 when viewed from the front side. In more detail, the substrate central portion 411 (central portion heater H21) is disposed so as to cover the film-like member 24 so as to overlap with the film-like member 24. Thus, the through portion 213A (the portion through which the hole 213 penetrates) is covered by both the film-like member 24 and the base 41. In addition, the base substrate central portion 411 is disposed so as to cover all the first vent holes 221 and the second vent holes 231. Furthermore, the base material central portion 411 is disposed so as to cover the entire of the first cover member 22 and the second cover member 23. The base substrate central portion 411 has one opening 413 at a position where the first fastener member 51 is disposed. The opening 413 is formed in the shape of a rectangular hole penetrating back and forth, and exposes the first fastener member 51.
The substrate side portion 412 (side heater H22) is disposed to be inward in the left-right direction at the lower part of the front surface of the corresponding back side portion P22.

  The heater wire 42 is fixed to the base 41 by being attached to the surface of the base 41 on the seat occupant side with an adhesive. In the drawings to be referred to, the heater wire 42 is indicated by a solid line for easy understanding. The heater wire 42 is disposed on the seat back pad P2 so as to face the back portion excluding the seat occupant's shoulder, and is formed by being bent in a substantially zigzag shape when viewed from the front side, and the first heater portion 42A And a second heater unit 42B and a third heater unit 42C.

  The first heater portion 42A is provided to the central heater H21 so as to face the portion from the vertical center to the waist of the back of the seated person. The first heater portion 42A is disposed so as to overlap the entire first cover member 22 when viewed from the front side. Further, the first heater portion 42A is disposed such that the left and right ends overlap the second portion 252 (the groove forming recess 222) of the suture portion arranging groove 25. In more detail, the heater wire 42 which comprises the both-ends part of the 1st heater part 42A has several linear part 421 and several bending part 422, as shown in FIG.5 (b). The plurality of straight portions 421 extend linearly along the substantially horizontal direction (the direction intersecting with the second portion 252), and are arranged side by side in the substantially vertical direction (the direction in which the second portion 252 extends) The bent portion 422 is bent in a U-shape connecting the ends of the adjacent straight portions 421. The heater wire 42 is disposed such that the plurality of straight portions 421 intersect the inner edge 25E of the second portion 252 in the left-right direction when viewed from the front side, and the bent portion 422 of the left-right direction is of the second portion 252. It is disposed between the left and right edges 25E so as not to cover the left and right outer edges 25E.

  As shown in FIG. 6, the seat back pad P2 is formed on the edge 25E of the suture portion placement groove 25 by the front surface of the first cover member 22 and the surface on the inner side in the left-right direction of the suture portion placement groove 25. It has a corner 25A. The bending portion 422 is disposed to avoid the corner 25A as viewed from the front side. More specifically, the heater wire 42 is disposed so that the straight portion 421, not the bent portion 422, is placed on the corner 25A.

As shown to Fig.5 (a), the 2nd heater part 42B is provided in the center part heater H21 so that the part between the shoulders (scapula) of the back of a seated person may be faced. The second heater portion 42B is disposed so as to overlap the film-like member 24 when viewed from the front side. In the seat back S2, the second heater portion 42B is disposed so as to overlap the film-like member 24, and the first heater portion 42A is disposed so as to overlap the first cover member 22. It is arranged to overlap with both the film-like member 24 and the first cover member 22. Further, the second heater portion 42B is disposed so as to be fitted between the first portions 251 of the two suture portion disposition grooves 25 so as not to overlap the first portions 251 of the suture portion disposition grooves 25.
The third heater portions 42C are respectively provided to the left and right side heaters H22 so as to face the left and right sides of the portion from the vertical center to the waist of the back of the seated person.

  The seat back heater H2 configured in this manner is fixed to the seat back pad P2 by being attached to the front surface of the seat back pad P2 with double-sided tape at several positions. Here, the substrate central portion 411 extends to the outside of the range in which the heater wire 42 is disposed, as viewed from the front side. Specifically, the upper end portion of the base material central portion 411 extends to the upper side of the upper end of the second heater portion 42B, and the lower end portion of the base material central portion 411 is disposed at the lowest position of the first heater portion 42A. It extends to the lower side of the straight portion 421. Further, the left and right end portions of the base material central portion 411 extend outward in the left-right direction more than the left and right ends of the first heater portion 42A. Thus, the seatback heater H2 can be attached to the seatback pad P2 at the upper end portion or the lower end portion of the base 41, so that the attachment strength of the seatback heater H2 can be improved.

  In addition, the seat back heater H2 is attached to the inner surface of the suture portion placement groove 25 with a double-sided adhesive tape 6 as a sheet-like attachment member as illustrated in FIG. 6 at several positions. Describing in more detail, the double-sided tape 6 is a member for affixing the heater H to the inner surface or the like of the suture portion placement groove 25 and has adhesive layers on both the front and back surfaces of the tape substrate shown by omitting the reference numerals. doing. The seat back pad P2 has, on the front surface, a first surface F1 and a second surface F2 sandwiching one suture portion disposition groove 25. The double-sided adhesive tape 6 is attached along the first surface F1, the inner surface (specifically, the surface in the left-right direction, the bottom surface, the surface in the left-right direction) and the second surface F2 It is attached and arranged. The seat back heater H2 includes the first surface F1, the inner surface in the left-right direction of the suture portion placement groove 25, the bottom surface of the suture portion placement groove 25, and the suture portion placement groove 25 with the double-sided tape 6 And the second surface F2 is attached. As a result, in the seat back heater H2, the portion facing the suture portion placement groove 25 is placed in the suture portion placement groove 25. Since the suture portion arrangement groove 25 is a groove shallower than the hanging groove 26, the double-sided tape 6 can be easily arranged in the suture portion arrangement groove 25. Thereby, the assembly | attachment workability | operativity of the heater H can be improved.

Furthermore, as shown in FIG. 7, in the seat back heater H <b> 2, the portion facing the film-like member 24 is attached to the front surface of the film-like member 24 by the double-sided tape 6.
The double-sided adhesive tape 6 may be the same as the double-sided adhesive tape for attaching the heater H to the surface of the pad P on the seat occupant's side.

  As shown in FIG. 8, the surface material 7 has a three-layer structure including a first sheet 71, a second sheet 72, and a third sheet 73, and includes the first sheet 71, the second sheet 72, and the third sheet. The sheets 73 are sewn together to form one sheet-like member. The first sheet 71 is a member that constitutes the surface portion of the surface material 7, and has a plurality of fine through holes 71A (circular punched holes). The third sheet 73 is a member that constitutes the back side portion (portion on the pad P side) of the surface material 7 and has air permeability. The second sheet 72 is a member disposed between the first sheet 71 and the third sheet 73, and has air permeability. The second sheet 72 is exposed from the through hole 71A of the first sheet 71 by being disposed on the opposite side of the first sheet 71 to the seat occupant side. The colors of the first sheet 71 and the second sheet 72 are different from each other. As an example, the first sheet 71 is black and the second sheet 72 is blue.

  As shown in FIG. 7, the surface material 7 has a suture portion 7A formed by sewing a plurality of sheets (two sheets). The suture portion 7A is formed to follow the shape of the suture portion disposition groove 25 provided in the seat back pad P2. In the present invention, the structure and formation method of the suture portion 7A are not particularly limited. The rear surface of the surface material 7, specifically, a portion of the suture portion 7A provided so as to face the suture portion disposition groove 25 along with the first fastener member 51 on the portion facing the first fastener member 51. A second fastener member 52 constituting the surface fastener 5 is provided. The second fastener member 52 is fixed to the surface material 7 by being attached to the surface material 7 with an adhesive or being sewn together. The skin material 7 is fixed to the seat back pad P2 by attaching the second fastener member 52 to the first fastener member 51 of the seat back pad P2 through the opening 413 of the seat back heater H2. Then, as shown in FIG. 6, the skin material 7 is arranged such that the sutured part 7A, which is a part of the skin material 7, enters the sutured part placement groove 25 together with the seat back heater H2. As a result, it is possible to suppress that the sutured portion 7A protrudes to the front side, so that the touch feeling of the sutured portion 7A can be suppressed.

  Referring back to FIG. 7, in the seat back S 2, the seat back heater H 2 has an opening 413 for exposing the first fastener member 51, so the skin 7 is made of the second fastener member 52 and the first fastener member 51. It can be fixed to the seat back pad P2. And by this fixing, the portion around the opening 413 of the seat back heater H2 is sandwiched between the seat back pad P2 and the skin 7 so that the position of the seat back heater H2 can be determined. As described above, since the first fastener member 51 functions as a positioning member, it is not necessary to provide the pad P with both a member for fixing the heater H and a member for determining the position of the heater H. The configuration of the pad P can be simplified, and the number of parts constituting the vehicle seat S can be reduced.

  As shown in FIG. 9, the seat cushion pad P1 mainly includes a cushion pad body 11, a fourth cover member 12, and a fifth cover member 13, and an air passage 10 for passing air therethrough is formed. ing. Further, the seat cushion pad P1 has a cushion central portion P11 and left and right cushion side portions P12 provided to project above the cushion central portion P11 on the left and right sides of the cushion central portion P11.

  The cushion pad body 11 is formed of urethane foam or the like. The cushion pad main body 11 is formed in the front of the cushion central portion P11 so as to be recessed downward in the upper surface, and has a third recess 111 in which the fourth cover member 12 and the fifth cover member 13 can be engaged. doing. The bottom surface of the third recess 111 is provided with a through hole 112 at a position on the right side of the rear end, which penetrates to the lower side opposite to the seat occupant side of the seat cushion S1.

  The fourth cover member 12 is a member that engages with the third recess 111 to form the air passage 10. The fourth cover member 12 is formed of a urethane foam or the like, and is formed in a substantially plate shape having a front end portion extending downward, which is long in the front-rear direction. The fourth cover member 12 is provided with an air passage forming hole 121 which is formed vertically and which forms the air passage 10. The air passage forming hole 121 extends from the position facing the through hole 112 toward the center in the left-right direction, and then bends and extends forwardly the first forming hole 122 and the front end of the first forming hole 122 laterally outward. A second forming hole 123 extending substantially forward from the left and right direction end after extending to branch toward the direction. The fourth cover member 12 is fixed to the cushion pad body 11 by affixing the lower surface thereof to the bottom surface of the third recess 111 of the cushion pad body 11 with an adhesive.

  The fifth cover member 13 is a member that forms the front surface portion of the cushion central portion P11 by engaging the third recess 111 so as to cover the fourth cover member 12. The fifth cover member 13 is formed of a urethane foam or the like and formed in a substantially plate shape long in the front and rear direction and having a front end portion extending downward. The fifth cover member 13 is provided with a vertically extending third ventilation hole 131 communicating the inside of the ventilation passage 10 with the outside of the seat cushion pad P1. A plurality of third vent holes 131 are provided. More specifically, as shown in FIG. 10, the third vent holes 131 are arranged to overlap with the left and right end portions of the second formation hole 123 as viewed from the upper side of the seat cushion S1 on the seat occupant side. . Further, two left and right third vents 131 are provided side by side, and four pairs of two third vents 131 aligned side by side are provided substantially in front and rear. Further, the fifth cover member 13 is provided with a groove forming recess 132 which is recessed downward in the vicinity of the central portion in the left-right direction of the upper surface. The fifth cover member 13 is fixed to the cushion pad main body 11 via the fourth cover member 12 by affixing the lower surface thereof to the upper surface of the fourth cover member 12 with an adhesive. The seat cushion pad P1 is provided with the third vent hole 131 in the fifth cover member 13, and thus has the third vent hole 131 communicating the inside of the vent passage 10 with the outside on the upper surface. .

  The seat cushion S1 is configured to blow out air from the third air hole 131 by feeding air from the through hole 112 into the air passage 10 by a blower (not shown). The seat cushion S1 may be configured to suck air from the third vent hole 131.

The seat cushion pad P1 has a suture portion disposition groove 15 as a first groove and a hanging groove 16 as a second groove, which are formed to be recessed downward in the upper surface.
The hanging grooves 16 are grooves for hanging the skin material 7 and are provided one by one between the cushion central portion P11 and the left and right cushion side portions P12. Each hanging groove 16 is formed as a groove deeper than the suture portion arranging groove 15 and is provided to extend substantially in the front-rear direction.

  The suture portion disposition groove 15 is a groove in which the suture portion 7A of the skin material 7 is inserted and disposed, and two are provided side by side in the lateral direction central portion of the cushion central portion P11. The suture portion disposition groove 15 is provided to extend substantially in the front-rear direction so that the distance between the front end portions is slightly larger than the distance between the rear end portions when viewed from the upper side. The front end portion of the suture portion placement groove 15 is formed by a groove forming recess 132 provided in the fifth cover member 13. Each of the suture portion disposition grooves 15 is a part of the third vent hole 131 (131A) disposed at the rearmost inside in the left-right direction, specifically, an end portion of the third vent hole 131 in the left-right direction , Is provided to overlap. Each suture portion disposition groove 15 has a wide portion 153 at the center in the front-rear direction. Similar to the wide portion 253, the wide portion 153 is formed such that the edge on the outer side in the left-right direction of the suture portion positioning groove 15 is spread more outward than the other portions. It is wider than it is. The first fastener members 51 are provided on the bottom of the wide portion 153, for example.

  As shown in FIG. 11A, the seat cushion heater H1 mainly includes a sheet-like base material 31 and a plurality of heater wires 32 supported by the base material 31, and includes a seat cushion pad P1. It is arranged between the skins 7. The seat cushion heater H1 has a central heater H11 and left and right side heaters H12 provided on the left and right sides of the central heater H11.

  The substrate 31 is made of non-woven fabric and has breathability. The base 31 has a substantially rectangular base central portion 311 which is long before and after the central portion heater H11, and left and right base side portions 312 which constitute the left and right side heaters H12. The left and right base side portions 312 are formed symmetrically, and each extend from the rear end of the side body 312A elongated in the front-rear direction and inward in the left-right direction from the rear end of the side body 312A It is formed in the substantially L shape which has the connection part 312B.

The base material central portion 311 is disposed so as to cover substantially the entire upper surface of the cushion central portion P11 when viewed from the upper side. More specifically, the substrate central portion 311 is arranged to cover all the third vents 131 (see FIG. 10). The base substrate central portion 311 has one opening 313 at a position where the first fastener member 51 is disposed. The opening 313 is formed in the shape of a rectangular hole penetrating vertically and exposes the first fastener member 51.
The substrate side portions 312 are disposed inward in the left-right direction on the upper surface of the corresponding cushion side portion P12.

  The heater wire 32 is fixed to the base 31 by being attached to the surface of the base 31 on the seat occupant side by an adhesive. The heater wire 32 has a fourth heater portion 32A, a fifth heater portion 32B, and a sixth heater portion 32C which are formed in a substantially zigzag shape and formed as viewed from the upper side.

  The fourth heater portion 32A is provided in the central heater H11 so as to face the thighs of the seated person. As shown in FIG. 11B, the heater wire 32 positioned inside in the left-right direction of the fourth heater portion 32A has a plurality of straight portions 321 and a plurality of bent portions 322. The plurality of straight portions 321 extend linearly along the substantially horizontal direction (the direction crossing the suture portion placement groove 15), and are arranged side by side in the substantially front and rear direction (the direction in which the suture portion placement groove 15 extends). The bent portion 322 is bent in a U-shape connecting the ends of the adjacent straight portions 321. The heater wire 32 is disposed such that the plurality of straight portions 321 intersect the left and right edges 15 E of the suture portion placement groove 15 when viewed from the upper side. As shown in FIG. 12, the seat cushion pad P1 is formed on both of the edges 15E of the suture portion placement groove 15 by the upper surface of the seat cushion pad P1 and the left or right face of the suture portion placement groove 15. It has a corner 15A. The bending portion 322 is disposed so as to avoid the corner portion 15A. More specifically, the heater wire 32 is disposed so that the straight portion 321, not the bent portion 322, is placed on the corner portion 15A.

As shown to Fig.11 (a), the 5th heater part 32B is provided in the center part heater H11 so that a seating person's butt may be faced. The heater wire 32 constituting the left and right end portions of the fifth heater portion 32B also has a plurality of straight portions 321 and bent portions 322, and the plurality of straight portions 321 are laterally outside of the stitching portion disposition groove 15 when viewed from the upper side. It is disposed so as to intersect the edge 15E, and is disposed between the left and right edges 15E so that the laterally inward bent portion 322 does not overlap with the laterally inner edge 15E of the suture portion placement groove 15. The bending portion 322 is disposed to avoid the corner 15A formed on the edge 15E.
The sixth heater portions 32C are respectively provided to the left and right side heaters H12 so as to face the left and right sides of the portion from the buttocks to the thighs of the seated person.

  The seat cushion heater H1 configured in this way is fixed to the seat cushion pad P1 by being attached to the upper surface of the seat cushion pad P1 with double-sided tape at several locations. Here, the substrate central portion 311 extends to the outside of the range in which the heater wire 32 is disposed, as viewed from the upper side. Specifically, the front end portion of the substrate central portion 311 extends to the front side of the front end of the heater wire 32, and the rear end portion of the substrate central portion 311 is disposed at the rearmost of the fifth heater portion 32B. It extends to the rear side of the straight portion 321. Further, the left and right end portions of the base material central portion 311 extend outward in the left-right direction more than the left and right ends of the fourth heater portion 32A. Thus, the seat cushion heater H1 can be attached to the seat cushion pad P1 at the front end portion or the rear end portion of the base member 31, so that the attachment strength of the seat cushion heater H1 can be improved.

  Further, the seat cushion heater H1 is attached to the inner surface of the stitch portion placement groove 15 with the double-sided tape 6 at several positions, as illustrated in FIG. 12, as with the seat back heater H2. More specifically, the seat cushion pad P1 has, on the upper surface, a first surface F1 and a second surface F2 sandwiching one suture portion disposition groove 15, and the double-sided tape 6 has a first surface F1 is disposed to be stuck along the inner surface and the second surface F2 of the suture portion disposition groove 15. The seat cushion heater H1 is attached by the double-sided adhesive tape 6 along the first surface F1 and the inner surface and the second surface F2 of the stitch portion placement groove 15 via the double-sided adhesive tape 6. As a result, the seat cushion heater H1 is disposed such that the portion facing the suture portion placement groove 15 enters the suture portion placement groove 15. Since the suture portion disposition groove 15 is a groove shallower than the sloping groove 16, as in the case of the seat back S2, the assembling workability of the heater H can be improved.

  In the skin material 7 covering the seat cushion pad P1, as in the case of the seat back S2, the suture portion 7A and the seat cushion heater H1 are disposed in the suture portion disposition groove 15. As shown in FIG. 11A, also in the seat cushion S1, since the seat cushion heater H1 has the opening 313 for exposing the first fastener member 51, the skin member 7 is not shown and the second fastener member is not shown. It can be fixed to the seat cushion pad P1 by the first fastener member 51. And by this fixing, the portion around the opening 313 of the seat cushion heater H1 is sandwiched between the seat cushion pad P1 and the skin material 7, so that the position of the seat cushion heater H1 can be determined.

  According to the present embodiment described above, the optimum configuration, material, and the like can be set for the cover members 22 and 23 and the film-like member 24 of the seat back pad P2 shown in FIG. 211 and 212 and the hole 213 are covered by the corresponding cover members 22 and 23 and the film-like member 24, the air passage 20, specifically, between the through portion 213A and the air hole 221, 231. Good air flow. Thereby, the air conditioning performance of the vehicle seat S can be improved.

  In addition, since the film-like member 24 has lower air permeability than the back pad main body 21 and the cover members 22 and 23, air leakage from the vicinity of the hole portion 213 can be suppressed. be able to. Thus, the air conditioning performance of the vehicle seat S can be further improved.

  Further, since the cover members 22 and 23 provided as separate parts from the back pad main body 21 have the vent holes 221 and 231, for example, in comparison with a pad having a structure in which the pad main body and the cover member are integrally formed. Thus, the pad P having the air passage 20 and the air holes 221 and 231 can be easily manufactured. The same applies to the seat cushion S1.

  In addition, since the second concave portion 212 and the suture portion arrangement groove 25 are provided to intersect with each other, the suture portion 7A of the surface material 7 is formed in the suture portion arrangement groove 25 without inhibiting the air conditioning performance of the vehicle seat S. Can be placed (can be passed through the sewing line). Thereby, the degree of freedom in the design of the vehicle seat S can be improved while improving the air conditioning performance.

  Further, as shown in FIG. 5A, since the base material 41 is disposed so as to cover all the air holes 221 and 231, the ease of air flow in each air hole 221 and 231 is substantially uniform. Can be As a result, air can be favorably flowed through the air holes 221 and 231, so that the air conditioning performance of the vehicle seat S can be improved. The same applies to the seat cushion S1.

  Further, since the through portion 213A of the hole 213 is covered by both the film-like member 24 and the base member 41, the vicinity of the through portion 213A is doubly covered, and the vicinity of the through portion 213A of the seat back pad P2 is Can improve the strength of the In addition, by covering the penetrating portion 213A with both the film-like member 24 and the base member 41, the air permeability in the vicinity of the hole portion 213 is further reduced, so that air leakage from the vicinity of the hole portion 213 can be further suppressed. . Thereby, air can be more favorably flowed in the air passage 20, so that the air conditioning performance of the vehicle seat S can be further improved.

  Further, since the heater wire 42 (the second heater portion 42B) is disposed to overlap the film-like member 24, the heater wire 42 may be disposed also at the location where the hole portion 213 of the seat back pad P2 is formed. it can. Thereby, the heating performance of the vehicle seat S can be improved.

  Further, since the heater wire 42 is disposed to face the back portion excluding the shoulder of the seated person, the heater wire 42 can be disposed in a portion where the seated person and the seat back S2 are in close contact with each other. Thereby, the heating performance of the vehicle seat S can be improved.

  Further, since the first fastener member 51 is provided on the surface of the pad P on the seat occupant's side, the skin material 7 can be fixed to the pad P from the front side, so that the workability of assembling the skin material 7 can be improved. The same applies to the seat cushion S1.

  Further, since the first fastener member 51 is provided in the suture portion arrangement groove 25, the skin material 7 is in a state where the suture portion 7A has entered the suture portion arrangement groove 25 and at the position of the suture portion arrangement groove 25. It can be fixed. Thereby, the position of the surface material 7 can be determined well. The same applies to the seat cushion S1.

  In addition, since the first fastener member 51 is provided in the first portion 251, for example, the first fastener member is provided where the heater wire of the suture portion disposition groove is disposed, such as the second portion 252. The configuration of the seat back pad P2 can be simplified as compared with the above configuration. In addition, since the first fastener member 51 can be easily attached to the seat back pad P2, the seat back pad P2 including the first fastener member 51 can be easily manufactured.

  Moreover, since the first fastener member 51 is provided in the wide portion 253, the area of the first fastener member 51 can be increased. Thereby, the attachment strength of the surface material 7 can be improved. The same applies to the seat cushion S1.

  Further, since the base material 41 has air permeability and is disposed so as to cover the vent holes 221 and 231, it is not necessary to provide the heater H with a through hole or the like for exposing the vent holes 221 and 231. Therefore, the configuration of the heater H can be simplified. In addition, since the heater H does not have a through hole or the like, alignment of the heater H and the vent holes 221 and 231 becomes unnecessary when assembling the heater H, so the assembling workability of the heater H can be improved. . The same applies to the seat cushion S1.

  Further, since the base 41 is disposed so as to cover the entire cover members 22 and 23, the base 41 can be attached to the back pad main body 21 around the cover members 22 and 23. Thereby, since the cover members 22 and 23 can be pressed by the base material 41, the attachment strength of the cover members 22 and 23 can be improved.

  In addition, since the hanging groove 26 is deeper than the suture portion arranging groove 25, the back central portion P21 and the back side protruding beyond the back central portion P21 when the skin material 7 is suspended in the hanging groove 26. It is possible to suppress the generation of wrinkles of the surface material 7 due to the step (height difference) with the portion P22. Thereby, the appearance of the vehicle seat S can be improved. The same applies to the seat cushion S1.

  As shown in FIG. 6, the heater H enters the suture portion arrangement groove 25 of the pad P and is affixed to the inner surface of the suture portion arrangement groove 25. Therefore, when the pad P is deformed, the heater H is used as the pad P Can follow. Thereby, since the heater H is supported by the pad P, unnecessary deformation of the heater H can be suppressed. As a result, for example, the durability of the heater H can be improved, and the life can be extended. The same applies to the seat cushion S1.

  Further, since the heater H is in the suture portion disposing groove 25, the skin material 7 can be disposed in the state of being in the suture portion disposing groove 25. As a result, the line formed by the portion of the surface of the vehicle seat S that has entered the stitching portion arrangement groove 25 of the skin material 7 can be beautifully drawn, so the design of the vehicle seat S can be improved. The same applies to the seat cushion S1.

  In addition, the position of the skin material 7 can be determined by the suture portion 7A of the skin material 7 entering the suture portion disposition groove 25. In addition, by determining the position of the skin material 7 (stitching portion 7A), the line of the stitching portion 7A can be made to look clean, so that the design of the vehicle seat S can be further improved. The same applies to the seat cushion S1.

  Further, since the position of the skin material 7 is determined by the suture portion 7A coming into the suture portion disposition groove 25, the installation location of the first fastener member 51, that is, the fixing location of the skin material 7 is minimized. It can be fixed and positioned well. The same applies to the seat cushion S1.

  In addition, since the double-sided tape 6 for affixing the heater H to the inner surface of the suture portion disposition groove 25 is disposed along the first surface F1, the inner surface of the suture portion disposition groove 25 and the second surface F2, for example The heater H can be attached to the pad P in a large area, as compared with a configuration in which the double-sided tape is disposed only on the bottom surface of the suture portion placement groove. Thereby, the attachment strength of the heater H can be improved. The same applies to the seat cushion S1.

  In addition, since the bent portion 422 of the heater wire 42 is disposed to avoid the corner 25A formed at the edge of the suture portion disposition groove 25, the bent portion 422 locally from the corner 25A when the seated person sits down, etc. It is possible to suppress the application of a constant load. Thereby, the influence of the load applied to the heater wire 42 can be reduced as a whole. The same applies to the seat cushion S1.

  As shown in FIG. 7, the thin film-like member 24 is adopted as a member disposed so as to cover the hole 213 of the back pad main body 21 and forming a part of the air passage 20 with the hole 213. Therefore, the seat back pad P2 can be thinned while securing the size of the air passage 20. And, since the seatback heater H2 is disposed to overlap the film-like member 24, the film-like member 24 can support the seatback heater H2, so unnecessary deformation of the seatback heater H2 can be suppressed. . As a result, the durability of the seat back heater H2 can be improved, and life extension can be achieved.

  Further, since the first fastener member 51 is disposed on both sides of the hole 213 and the film-like member 24 so as to sandwich the hole 213 and the film-like member 24, the skin material 7 is seatbacked on both sides of the hole 213. It can be fixed to the pad P2. Thereby, while being able to control bending of skin material 7 near hole 213, by suppression of bending, unnecessary deformation of a portion of seat back heater H2 arranged near hole 213 is further suppressed. be able to. Moreover, since the film-like member 24 can be pressed by the surface material 7 fixed to the back pad main body 21, the attachment strength of the film-like member 24 can be improved.

  Moreover, since the surface fastener 5 is used for fixing the skin material 7, the floating of the skin material 7 can be suppressed and the appearance of the vehicle seat S can be improved. Moreover, since the skin material 7 can be easily fixed by using the surface fastener 5 for fixation, the assembly | attachment workability | operativity of the skin material 7 can be improved.

  In addition, as shown in FIG. 8, since the skin material 7 includes the first sheet 71 and the second sheet 72 exposed from the through holes 71A of the first sheet 71, for example, the first sheet 71 and the second sheet 72 may be used. The sheet 72 can be formed of different materials or the like. Thereby, the functionality of the surface material 7 can be improved, and the degree of freedom in the design of the vehicle seat S can be improved.

  Further, since the colors of the first seat 71 and the second seat 72 are different, a three-dimensional design can be realized, and the design of the vehicle seat S can be further improved.

  Further, as shown in FIG. 10, since the suture portion disposition groove 15 and the third vent hole 131A are provided so as to partially overlap with each other, stitching is performed without inhibiting the air conditioning performance of the vehicle seat S. The suture portion 7A of the skin material 7 can be disposed in the portion disposition groove 25 (sewing line can be passed). Thereby, the degree of freedom in the design of the vehicle seat S can be improved while improving the air conditioning performance.

  As mentioned above, although embodiment was described, this invention is not limited to the said embodiment. About a specific structure, it can change suitably in the range which does not deviate from the meaning of invention as follows.

  In the said embodiment, as shown in FIG. 3, although penetration part 213A which is a part of hole 213 was formed so that it may penetrate on the opposite side to a seating person side, it is not limited to this, for example The hole may be formed so that the whole penetrates on the opposite side to the seat occupant side.

  In the said embodiment, as shown in FIG. 4, although the 2nd recessed part 212 and the stitching | suture part arrangement | positioning groove | channel 25 were provided so that it might cross seeing from a seated person side, it is not limited to this. For example, instead of the second recess, the first recess and the suture portion arrangement groove may be provided so as to intersect with each other as viewed from the seated person. Further, both the first recess and the second recess and the suture portion disposition groove may be provided so as to intersect with each other as viewed from the seat occupant.

  In the embodiment, the first cover member 22, the second cover member 23, and the film-like member 24 are fixed by being attached to the back pad main body 21 with an adhesive, but the present invention is not limited to this. For example, the first cover member, the second cover member, and the film-like member (third cover member) may be fixed by being attached to the pad main body with a double-sided tape or the like.

  In the said embodiment, although the thin film-like member 24 which consists of synthetic resin type materials, such as PP and PE, was illustrated as a 3rd cover member, it is not limited to this. For example, similarly to the first cover member 22 and the second cover member 23 of the embodiment, the third cover member is formed of urethane foam or the like in a plate shape thicker than the film-like member 24 of the embodiment. It is also good. Further, the third cover member may be formed of a synthetic resin material, a foam, a fiber material such as paper or cloth, a composite material of these, or the like. Moreover, in the said embodiment, the film-like member 24 (3rd cover member) was a structure whose air permeability is lower than the 1st cover member 22 and the 2nd cover member 23 by the through-hole not being provided. However, it is not limited to this. For example, the third cover member may have a through hole (vent), in which case the number of holes may be smaller than the number of vents of the first cover member or the second cover member, or By reducing the diameter, the air permeability may be lower than that of the first cover member and the second cover member.

  In the above-mentioned embodiment, although pad P had suture part arrangement grooves 15 and 25 in the field by the side of a seated person, it is not limited to this, for example, a pad can be sutured part arrangement groove in the field by the side of a seated person (The first groove) may not be provided.

  In the said embodiment, although the surface fastener 5 which consists of the 1st fastener member 51 and the 2nd fastener member 52 was illustrated as a member which fixes the skin material 7 to the pad P, it is not limited to this. For example, the member for fixing the skin material to the pad may be a snap button or the like. The fixing member provided on the pad may be, for example, a double-sided tape.

  In the said embodiment, as shown to Fig.5 (a), although the base material 41 was arrange | positioned so that all the vent holes 221 and 231 may be covered, it is not limited to this, For example, the base material is plural. Among the vent holes of the above, only a part of the vent holes may be covered. Moreover, in the said embodiment, although opening part 313,413 provided in the heater H was formed in the shape of a hole, it is not limited to this, For example, an opening part is a notch shape in which one part opened outside. It may be formed.

  In the embodiment, as shown in FIG. 6, the heater H is attached to the entire inner surface of the suture portion placement groove 25. However, the present invention is not limited to this. For example, the heater is the inner surface of the suture portion placement groove May be attached only to the bottom of the According to such a configuration, the double-sided tape or the like can be easily disposed in the suture portion disposition groove, so that the assembling workability of the heater can be improved. In addition, the heater may be attached to the inner surface of the suture portion disposition groove with, for example, an adhesive or the like instead of the double-sided tape.

  In the embodiment, as shown in FIG. 7, the film-like member 24 is attached to the back pad main body 21 with an adhesive, and the seat back heater H2 is attached to the film-like member 24 with the double-sided tape 6 as a sticking member. However, the present invention is not limited to this. For example, as shown in FIG. 13, the film-like member 24 has an adhesive layer 24A for attaching the seat back heater H2 to the back pad main body 21 at least on the front side, and the seat back heater H2 is a double-sided tape. It may be affixed to the adhesive layer of the film-like member 24 without interposition. Further, even if the film-like member 24 has the adhesive layer 24A on both the front and back sides, and the seat back heater H2 is directly attached to the back pad main body 21 by the film-like member 24 functioning as a double-sided tape. Good. According to such a configuration, since the film-like member 24 and a member for attaching the seat back heater H2 to the back pad main body 21 can be attached at one time, assembling workability can be improved.

  In the embodiment, as shown in FIG. 10, the suture portion disposition groove 15 and the third vent hole 131A are provided so as to partially overlap with each other when viewed from the seated person, but the present invention is limited thereto is not. For example, to explain with reference to FIG. 10, the suture portion disposition groove 15 and the third vent hole 131A are such that the entire third vent hole 131A overlaps with the suture portion disposition groove 15 when viewed from the seated person side. In other words, the third vent hole 131A may be provided so as to be disposed in the suture portion disposition groove 15.

  In the said embodiment, although the vehicle seat S as a sheet | seat was equipped with the heater H, it is not limited to this. For example, the sheet may have a configuration without a heater.

  In the embodiment described above, the suture portion 7A is formed by stitching together a plurality of the skin materials 7, but the invention is not limited thereto. For example, the suture portion may be a fold of one skin material and a folded portion It may be formed by sewing together.

  In the above embodiment, the pad P is configured to include the seat cushion pad P1 and the seat back pad P2. However, the present invention is not limited to this. For example, in the pad, the seat cushion pad and the seat back pad are integrally formed. The configuration may be different.

  Although the vehicle seat S used by a car was illustrated as a sheet in the above-mentioned embodiment, it is not limited to this, but a sheet is a sheet used by vehicles other than a car, for example, rail cars, ships, and aircraft It may be Further, the seat is not limited to a vehicle seat, and may be, for example, a seat used at home or the like.

5 surface fastener 7 surface material 7A sutured portion 10 air passage 15 sutured portion arrangement groove 16 hanging groove 20 air passage 21 back pad main body 22 first cover member 23 second cover member 24 film-like member (third cover member)
25 suture part arranging groove 26 hanging groove 51 first fastener member 52 second fastener member 71 first sheet 71A through hole 72 second sheet 131 third vent hole 211 first concave portion 212 second concave portion 213 hole portion 221 first through Pore 231 2nd ventilation hole P pad P1 seat cushion pad P2 seat back pad S vehicle seat

Claims (14)

A sheet comprising a pad formed with vents for the passage of air,
The pad is
Provided between a first recess and a second recess formed at an interval on the surface on the seat occupant side, between the first recess and the second recess to connect the first recess and the second recess, A pad body having a hole part of which penetrates on the side opposite to the seat occupant side;
A first cover disposed so as to cover the first recess and forming a part of the air passage between the first recess and the first recess, and providing a first air hole communicating the inside of the air passage with the outside Members,
A second cover disposed so as to cover the second recess and forming a part of the air passage between the second recess and a second air hole communicating the inside and the outside of the air passage. Members,
And a third cover member disposed between the first cover member and the second cover member so as to cover the hole from the seat occupant side ,
The hole has a length in the orthogonal direction orthogonal to the direction in which the first recess, the hole and the second recess are arranged, as viewed from the seated person, and is smaller than the first recess and the second recess, The sheet | seat which has connected the center parts of the said orthogonal direction of the said 1st recessed part and the said 2nd recessed part . The sheet according to claim 1, wherein the third cover member has a length in the orthogonal direction smaller than that of the first cover member and the second cover member. The sheet according to claim 1 or 2 , wherein the third cover member has a lower air permeability than the first cover member and the second cover member. And a skin material covering the pad,
The surface material has a suture portion,
The seat according to any one of claims 1 to 3, wherein the pad has a suture portion disposition groove in which the suture portion is inserted and disposed on a surface on the seat occupant side. The seat according to claim 4 , wherein the pad includes a fixing member for fixing the skin material to the pad on a surface of the pad body on the seat occupant side. The sheet according to claim 5 , wherein the fixing member is provided in the suture portion disposition groove. And a skin material covering the pad,
The said pad is equipped with the fixing member for fixing the said skin material to the said pad in the surface by the side of the seater of the said pad main body, The said member is any one of the Claims 1-3 characterized by the above-mentioned. Sheet. The sheet according to any one of claims 5 to 7 , wherein the fixing members are disposed on both sides of the third cover member so as to sandwich the third cover member. A hook and loop fastener comprising a detachable first fastener member and a second fastener member;
The fixing member is the first fastener member,
The seat according to any one of claims 5 to 8 , wherein the second fastener member is provided on the surface of the surface material opposite to the seat occupant. The pad has a hanging groove on the surface on the seat occupant side for hanging the skin material,
The sheet according to any one of claims 4 to 6 , wherein the hanging groove is deeper than the suture portion arranging groove. Wherein the first recess and at least one said suture portion disposed groove of the second recess, as viewed from the occupant side, claim 6 and claim from claim 4, characterized in that is provided so as to intersect 11. A sheet according to any one of items 10 . The pad has, on the surface on the seat occupant side, a third vent for communicating the inside and the outside of the vent.
The stapling portion arranged grooves and said third vent when viewed from the occupant side, claim 6 claim 4, characterized in that is provided so as at least partially overlap, claim 10 and claim The sheet | seat of any one of claim | item 11 . And a skin material covering the pad,
The skin material is
A first sheet having a plurality of through holes and constituting a surface portion of the skin material;
Breathable, any of claims 1 to 12, characterized in that it comprises a second sheet which is exposed from the through hole is disposed on the side opposite to the seat side of said first sheet The sheet described in item 1. The sheet according to claim 13 , wherein the first sheet and the second sheet have different colors.

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