Vehicle seats

Abstract

To provide a vehicle seat capable of improving mounting strength of a blower.SOLUTION: A vehicle seat comprises: a seat frame having right and left side frames arranged apart from each other in a right / left direction; a first pressure-receiving member 30 for supporting a seated person, the first pressure-receiving member 30 being arranged between the right and left side frames; and a blower mounted on the first pressure-receiving member 30. The first pressure-receiving member 30 has: a plate-shaped blower mounting part 390 having a first through-hole 391 with which an engagement part for mounting the blower on the first pressure-receiving member 30 engages; and a thick wall part 361 in contact with the blower mounting part 390 and disposed at least on a portion around the blower mounting part 390, the thick wall part 361 being projected at least above the blower mounting part 390.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a vehicle seat.

Background Art

[0002] Conventionally, a vehicle seat is known that includes left and right side frames, a front frame connected to the front ends of the left and right side frames, a rear frame connected to the rear ends of the left and right side frames, and a support panel that supports an occupant (Patent Document 1). The support panel is formed by bending a metal plate-like member and is attached so as to span the front frame and the rear frame. Further, a blower is fixed to the back surface of the support panel.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, in a vehicle seat, it is desirable that the mounting strength of the blower is high.

[0005] Therefore, an object is to provide a vehicle seat capable of improving the mounting strength of the blower.

Means for Solving the Problems

[0006] A vehicle seat comprises a seat frame having left and right side frames spaced apart in the left-right direction, a pressure-receiving member for supporting a seated person, the pressure-receiving member being positioned between the left and right side frames, and a blower attached to the pressure-receiving member, wherein the pressure-receiving member has a plate-shaped blower mounting portion having a first through hole into which an engaging portion for attaching the blower to the pressure-receiving member engages, and a thickened portion provided in contact with the blower mounting portion and around at least a part of the blower mounting portion, the thickened portion being at least a portion that protrudes toward the seated person than the blower mounting portion.

[0007] By having a thickened section around the blower mounting area, the strength of the blower mounting area is improved, thereby enhancing the mounting strength of the blower. Furthermore, by having a thickened section around the blower mounting area, the amount of protrusion of the engaging portion toward the seated person when engaged with the blower mounting area can be relatively reduced.

[0008] The vehicle seat includes a mounting member for attaching the blower to the pressure receiving member, the mounting member having an engaging portion that engages with the first through hole from the seated side toward the opposite side of the seated side, and the tip of the engaging portion can be configured to protrude further toward the opposite side of the seated side than the blower mounting portion.

[0009] The tip of the engaging part that engages with the blower mounting part protrudes on the side opposite to the seated person compared to the blower mounting part, thereby reducing the amount the mounting member protrudes toward the seated person.

[0010] The aforementioned thickened portion can be configured to protrude toward the seated person more than the mounting member.

[0011] The thicker portion protrudes towards the seated person more than the mounting member, which prevents the mounting member from protruding further towards the seated person than the thicker portion.

[0012] The thickened portion includes a first thickened portion and a second thickened portion, the first thickened portion and the second thickened portion protrude from the side opposite to the seated person compared to the blower mounting portion, the blower mounting portion is located between the first thickened portion and the second thickened portion, and the blower has a plate-shaped mounting portion having a second through hole into which the engaging portion engages, and the mounting portion is arranged in contact with the first thickened portion and the second thickened portion on the side opposite to the seated person compared to the blower mounting portion.

[0013] By positioning the mounting portion of the blower in contact with the first and second thickened portions, rattling of the mounting portion can be suppressed.

[0014] The blower may have a protrusion that extends from the mounting portion toward the blower mounting portion and has a protrusion that contacts the blower mounting portion.

[0015] The blower has a protrusion that contacts the blower mounting portion, and the protrusion, along with the first and second thickened portions, can further suppress rattling of the mounting portion.

[0016] The blower mounting portion can be configured to be provided on one side in the left-right direction relative to the left-right center of the pressure receiving member.

[0017] Since the blower mounting section is located on one side in the left-right direction relative to the left-right center of the pressure receiving member, the blower can be positioned on one side in the left-right direction relative to the left-right center of the pressure receiving member, and space can be secured on the other side for mounting a component other than the blower.

[0018] The pressure-receiving member has a mesh portion that forms a mesh shape, the blower mounting portion is provided so as to close one of the meshes inside the mesh portion, and the thick portion can be configured to be the mesh portion of the mesh portion.

[0019] By having a mesh portion on which a blower mounting section is provided, the pressure-receiving member can be equipped with a blower mounting section while the cushioning properties of the pressure-receiving member can be improved by the mesh portion.

[0020] The pressure receiving member may have a frame portion provided so as to surround the mesh portion, and the blower mounting portion may be provided in contact with the frame portion.

[0021] Since the blower mounting portion is provided in contact with the frame portion, the strength of the blower mounting portion is further improved, so that the mounting strength of the blower can be further improved.

[0022] The blower may be configured to have the engaging portion.

[0023] Since the blower has the engaging portion, the number of parts can be reduced.

Advantages of the Invention

[0024] The mounting strength of the blower can be improved. Further, the amount of protrusion of the engaging portion engaged with the blower mounting portion toward the seated person side can be relatively reduced.

[0025] Since the tip of the engaging portion engaged with the blower mounting portion protrudes on the side opposite to the seated person side with respect to the blower mounting portion, the amount of protrusion of the mounting member toward the seated person side can be reduced.

[0026] Since the thick portion protrudes on the side of the seated person with respect to the mounting member, the mounting member can be prevented from protruding on the side of the seated person more than the thick portion.

[0027] Since the mounted portion of the blower is arranged in contact with the first thick portion and the second thick portion, rattling of the mounted portion can be suppressed.

[0028] Since the blower has a convex portion in contact with the blower mounting portion, rattling of the mounted portion can be further suppressed by the first thick portion, the second thick portion, and the convex portion.

[0029] Since the blower mounting portion is provided on one side in the left-right direction with respect to the center in the left-right direction of the pressure receiving member, a blower can be arranged on one side in the left-right direction with respect to the center in the left-right direction of the pressure receiving member, and a space for attaching a member different from the blower can be secured on the other side.

[0030] By having a mesh portion on which a blower mounting section is provided, the pressure-receiving member can be equipped with a blower mounting section while the cushioning properties of the pressure-receiving member can be improved by the mesh portion.

[0031] Because the blower mounting section is located in contact with the frame, the strength of the blower mounting section is improved, thus further enhancing the mounting strength of the blower.

[0032] The blower's number of parts can be reduced by incorporating an engaging mechanism. [Brief explanation of the drawing]

[0033] [Figure 1] This is a perspective view of a vehicle seat according to the first embodiment. [Figure 2] This is a perspective view of the seat frame. [Figure 3] This is a perspective view of the first pressure-receiving member. [Figure 4] This is a top view of the first pressure-receiving member. [Figure 5] This is a view of the first pressure-receiving member from the left. [Figure 6] This is a top view of the seat cushion frame, the first pressure-receiving member, and the side frame cover. [Figure 7] This is a perspective view of a blower. [Figure 8] This is a cross-sectional view showing the mounting structure of a blower. [Figure 9] The first pressure receiving member, blower, duct, ECU, and sensor are shown in a top view (a) and a bottom view (b). [Figure 10] This is a cross-section of a seat cushion. [Figure 11] These are cross-sectional views (a) and (b) showing a modified version of the first embodiment of the blower mounting structure. [Figure 12] This is a top view of the seat cushion frame, first pressure-receiving member, and side frame cover of a vehicle seat according to the second embodiment. [Figure 13]The first pressure receiving member, blower, duct, ECU, and sensor are shown in a top view (a) and a bottom view (b). [Figure 14] (a) is a view from below of the first pressure-receiving member of a vehicle seat according to the first modified example, and (b) is a cross-sectional view AA of (a). [Figure 15] This is a view from below of the first pressure-receiving member of a vehicle seat according to the second modified example (a), and a cross-sectional view of (a) at BB (b). [Figure 16] This is a top view of the seat cushion of a vehicle seat according to the third modified example. [Figure 17] (a) is a top view of the seat cushion of a vehicle seat according to the fourth modified example, and (b) is a top view of the seat cushion of a vehicle seat according to the fifth modified example. [Figure 18] (a) is a top view of the seat cushion of a vehicle seat according to the sixth modified example, and (b) is a top view of the seat cushion of a vehicle seat according to the seventh modified example. [Figure 19] This is a top view of the seat cushion of a vehicle seat according to the eighth modified example. [Figure 20] (a) is a top view of the seat cushion of a vehicle seat according to the ninth modified example, and (b) is a perspective view showing the ECU, moving mechanism, and support member. [Figure 21] This is a top view of the seat cushion of a vehicle seat according to the tenth modified example. [Modes for carrying out the invention]

[0034] Next, the first embodiment will be described. In this specification, front-to-back, left-to-right, and up-and-down correspond to the front-to-back, left-to-right, and up-and-down directions as viewed from the perspective of a person sitting in the seat (seated person). As shown in Figure 1, the vehicle seat of the embodiment is configured as a vehicle seat S to be installed in an automobile as a vehicle. The vehicle seat S comprises a seat cushion S1, a seat back S2, and a headrest S3.

[0035] Furthermore, the vehicle seat S is equipped with a movement mechanism SR that allows the seat cushion S1 to move relative to the floor of the vehicle. The movement mechanism SR has left and right lower rails R1 fixed to the floor of the vehicle, and left and right upper rails R2 that engage with the lower rails R1 so as to be slidable forward and backward. The seat cushion S1 is fixed to the left and right upper rails R2. As a result, the seat cushion S1 (vehicle seat S) is slidable forward and backward relative to the floor of the vehicle.

[0036] As shown in Figures 1 and 2, the vehicle seat S comprises a seat frame F, a pad P that covers the seat frame F, and a surface material SK that covers the seat frame F and the pad P. The seat frame F includes the seat cushion frame F1, which is the frame for the seat cushion S1, and the seat back frame F2, which is the frame for the seat back S2.

[0037] The pad P is made of a foamed resin such as urethane foam, and includes a seat cushion pad P1 that covers the seat cushion frame F1 and a seat back pad P2 that covers the seat back frame F2. The seat cushion pad P1 has a first central part PC1 and left and right first side parts PS1 that are provided on the left and right sides of the first central part PC1 and protrude above the first central part PC1. The seat back pad P2 has a second central part PC2 and left and right second side parts PS2 that are provided on the left and right sides of the second central part PC2 and protrude in front of the second central part PC2.

[0038] The surface material SK is made of, for example, leather or fabric, and includes a seat cushion surface material SK1 that covers the seat cushion frame F1 and seat cushion pad P1, and a seat back surface material SK2 that covers the seat back frame F2 and seat back pad P2.

[0039] As shown in Figure 2, the seat cushion S1 comprises a seat cushion frame F1, a first pressure-receiving member 30 as a pressure-receiving member, and left and right side frame covers 40. The seat cushion S1 is constructed by covering the seat cushion frame F1, the first pressure-receiving member 30, and the side frame covers 40 with a seat cushion pad P1 and a seat cushion surface SK1. The seat cushion pad P1 covers the seat cushion frame F1, the first pressure-receiving member 30, and the side frame covers 40.

[0040] The seat cushion frame F1 includes first side frames 11 as left and right side frames, a front frame 12 and a rear frame 13 as a pair of connecting frames, and a pan frame 14.

[0041] The first side frame 11 is made of a metal plate and is elongated in the front-to-back direction, which is perpendicular to the left-to-right direction. In this embodiment, the front-to-back direction corresponds to the "longitudinal direction of the side frame". The left and right first side frames 11 are spaced apart in the left-to-right direction.

[0042] The front frame 12 and the rear frame 13 connect the left and right first side frames 11. Specifically, the front frame 12 is made of metal pipe and connects the front ends of the left and right first side frames 11. The rear frame 13 is made of metal pipe and connects the rear ends of the left and right first side frames 11. The front frame 12 and the rear frame 13 are spaced apart in the front-rear direction.

[0043] The pan frame 14 is made of a metal plate and connects the front ends of the left and right first side frames 11.

[0044] The seat back S2 comprises a seat back frame F2 and a second pressure-receiving member 50. The seat back S2 is constructed by covering the seat back frame F2 and the second pressure-receiving member 50 with a seat back pad P2 and a seat back surface SK2. The seat back pad P2 covers the seat back frame F2 and the second pressure-receiving member 50.

[0045] The seat back frame F2 includes left and right lower side frames 22, a pipe frame 23, a lower frame 24, and a bridging frame 25.

[0046] The lower side frame 22 is made of a metal plate and is formed to be long in the vertical direction, which is perpendicular to the left-right direction. The pipe frame 23 is made of a metal pipe and has left and right upper side frames 23A and upper frames 23B that extend to the left and right so as to connect the upper ends of the upper side frames 23A.

[0047] The upper side frame 23A is connected to the upper part of the lower side frame 22 and together with the lower side frame 22 constitutes the second side frames 21, which are the left and right frames of the seat back frame F2. The left and right second side frames 21 are formed to be long in the vertical direction and spaced apart in the left and right direction. A pair of holders 26 for holding the headrest S3 are fixed to the upper frame 23B.

[0048] The lower frame 24 and the bridging frame 25 connect the left and right second side frames 21. Specifically, the lower frame 24 is made of a metal pipe or metal plate and connects the lower parts of the left and right second side frames 21. The bridging frame 25 is made of a metal plate and connects the upper parts of the left and right second side frames 21. The bridging frame 25 is located below the upper frame 23B. The lower frame 24 and the bridging frame 25 are spaced apart in the vertical direction.

[0049] The second pressure-receiving member 50 is a plate-shaped member that supports the seated person and is positioned between the left and right second side frames 21. The second pressure-receiving member 50 has a resin member 51 and an attachment wire 52. The mounting wire 52 is a metal wire that reinforces the resin member 51, and a portion of it is covered by the resin member 31. The mounting wire 52 is stretched between the lower frame 24 and the bridging frame 25.

[0050] The resin member 51 is the part that supports the seated person from behind and covers a portion of the mounting wire 52. The resin member 51 is plate-shaped. The resin member 51 has a central support portion 51A and left and right side support portions 51B. The side support portions 51B extend diagonally forward from both the left and right ends of the central support portion 51A so that they are positioned forward as they move outward in the left-right direction.

[0051] The second pressure-receiving member 50 is attached to the seat back frame F2 by fixing the lower end of the mounting wire 52 to the lower frame 24 and inserting the upper end of the mounting wire 52 into, for example, a hole formed in the bridging frame 25.

[0052] The first pressure-receiving member 30 is a plate-shaped member that supports the seated person and is positioned between the left and right first side frames 11. As shown in Figure 3, the first pressure-receiving member 30 has a resin member 31 as an elastic member and vertical wires 32 and horizontal wires 33 as wires. In this embodiment, the vertical wires 32 correspond to the "first reinforcing wires" and the horizontal wires 33 correspond to the "second reinforcing wires".

[0053] The vertical wires 32 and horizontal wires 33 are metal wires that reinforce the resin member 31 and are covered by the resin member 31. As shown in Figure 4, the vertical wire 32 extends in the front-to-back direction when viewed from above. In this embodiment, the top corresponds to the "seater side," and the bottom corresponds to the "opposite side from the seater side." The vertical wire 32 is stretched between the front frame 12 and the rear frame 13 via the resin member 31. In this embodiment, the front-to-back direction corresponds to the "direction in which the first reinforcing wire is stretched."

[0054] The vertical wire 32 includes a center wire 32A, a first side wire 32B, and a second side wire 32C. The center wire 32A is positioned in the left-right center of the first pressure-receiving member 30. The center wire 32A is positioned between the first side wire 32B and the second side wire 32C.

[0055] The first side wire 32B is positioned to the right of the center wire 32A, which is one side in the left-right direction. The center wire 32A and the first side wire 32B are spaced apart in the left-right direction. In this embodiment, the left-right direction corresponds to "the direction perpendicular to the direction in which the first reinforcing wire is stretched." The second side wire 32C is positioned to the left of the center wire 32A, which is the other side in the left-right direction. The center wire 32A and the second side wire 32C are spaced apart in the left-right direction.

[0056] In this embodiment, the center wire 32A, the first side wire 32B, and the second side wire 32C have the same shape. Specifically, as shown in Figure 5, the center wire 32A, the first side wire 32B, and the second side wire 32C each have a wire body 321, a front hook 322, and a rear hook 323. The wire body 321 has a first extended portion 321A, a second extended portion 321B, a third extended portion 321C, a first bent portion 321D, and a second bent portion 321E as a bent portion.

[0057] The front hook 322 is the part that engages with the front frame 12 via the resin member 31. The front hook 322 extends forward from the front end of the wire body 321 (first extension portion 321A) in an arc shape. The rear hook 323 is the part that engages with the rear frame 13 via the resin member 31. The rear hook 323 extends diagonally upward and backward from the rear end of the wire body 321 (third extension portion 321C), and is curved so that its rear end forms an arc shape.

[0058] The first extension portion 321A extends approximately in the front-to-back direction. Specifically, the first extension portion 321A extends diagonally downward and backward. The second extension portion 321B extends diagonally upward and backward from the rear end of the first extension portion 321A. The first bent portion 321D is formed between the first extension portion 321A and the second extension portion 321B. The third extension portion 321C extends diagonally downward and backward from the rear end of the second extension portion 321B. The third extension portion 321C extends approximately parallel to the first extension portion 321A. The second bent portion 321E is formed between the second extension portion 321B and the third extension portion 321C.

[0059] As shown in Figure 4, the transverse wire 33 extends in a direction perpendicular to the vertical wire 32 when viewed from above. Specifically, the transverse wire 33 extends in the left-right direction when viewed from above. The second reinforcing wire is positioned to pass over the first extended portion 321A (see Figure 5) of the vertical wire 32 and span across the first side wire 32B, the center wire 32A, and the second side wire 32C. The transverse wire 33 also passes through a portion of the edges of the through holes 351 and 352 provided in the resin member 31. Specifically, the transverse wire 33 passes through the front edge of the through holes 351 and 352.

[0060] The resin member 31 is plate-shaped. The resin member 31 has a main body portion 310, a front latch portion 320, and a rear latch portion 330. The front fastening portion 320 is the part that hooks onto the front frame 12 and covers the front hook 322 of the vertical wire 32 (see Figure 5).

[0061] The rear fastening portion 330 is the part that hooks onto the rear frame 13 and covers the rear hook 323 of the vertical wire 32 (see Figure 5). The first pressure-receiving member 30 is attached to the seat cushion frame F1 by having its front fastening portion 320 hooked onto the front frame 12 and its rear fastening portion 330 hooked onto the rear frame 13.

[0062] The main body 310 is the part that supports the seated person from below and covers the wire body 321 of the vertical wire 32 (see Figure 5) and the horizontal wire 33. The main body 310 has a central support section 311 and left and right side support sections 312. The side support sections 312 extend diagonally upward from both the left and right ends of the central support section 311 so that they are positioned higher as they move outward in the left and right directions (see also Figure 3).

[0063] The resin member 31 has a sensor mounting portion 340, through holes 351 and 352, a mesh portion 360, a frame portion 370, and a mounting portion 380. The sensor mounting portion 340 is the part to which the sensor 140 (see Figure 6) is attached, and is located at the front of the central support portion 311. The sensor mounting portion 340 is located at the center of the first pressure receiving member 30 in the left-right direction.

[0064] The through holes 351 and 352 are holes that penetrate vertically and are provided on the left and right sides of the sensor mounting portion 340. Specifically, through hole 351 is provided on the right side of the sensor mounting portion 340, and through hole 352 is provided on the left side of the sensor mounting portion 340.

[0065] The mesh portion 360 is a mesh-shaped portion and is provided on the central support portion 311. The mesh portion 360 includes a first mesh portion 360A provided to the right of the left-right center of the first pressure-receiving member 30, and a second mesh portion 360B provided to the left of the left-right center of the first pressure-receiving member 30. The first mesh portion 360A is provided behind the through hole 351, and the second mesh portion 360B is provided behind the through hole 352.

[0066] The frame portion 370 is a frame-shaped part provided so as to surround the mesh portion 360. The frame portion 370 includes a first frame portion 371, a second frame portion 372, a third frame portion 373, a fourth frame portion 374, and a fifth frame portion 375. The first frame portion 371 is located between the first mesh portion 360A and the second mesh portion 360B, and extends in the front-rear direction. The first frame portion 371 covers the wire body 321 of the center wire 32A (see Figure 5).

[0067] The second frame portion 372 is located to the right of the first mesh portion 360A and extends in the front-rear direction. The second frame portion 372 covers the wire body 321 of the first side wire 32B. The third frame portion 373 is located to the left of the second mesh portion 360B and extends in the front-to-back direction. The third frame portion 373 covers the wire body 321 of the second side wire 32C.

[0068] The fourth frame portion 374 is located in front of the mesh portion 360 (360A, 360B). The fourth frame portion 374 extends in the left-right direction and connects the front ends of the first frame portion 371, the second frame portion 372, and the third frame portion 373. The fourth frame portion 374 forms the trailing edge of the through holes 351, 352. The fifth frame section 375 is located behind the mesh section 360 (360A, 360B). The fifth frame section 375 extends in the left-right direction and connects the rear ends of the first frame section 371, the second frame section 372, and the third frame section 373.

[0069] The mounting portion 380 is a part for attaching a component other than the blower 110 (see Figure 7) to the first pressure receiving member 30. The mounting portion 380 has a bottomed cylindrical shape with an open top (see Figure 3), and has a mounting hole 381 that penetrates vertically through its plate-shaped bottom wall. The component other than the blower 110 is, for example, a harness or connector. As an example, a harness can be attached to the mounting portion 380 via a harness clip or the like.

[0070] The mounting portion 380 includes a first mounting portion 380A, a second mounting portion 380B, and a third mounting portion 380C. The first mounting portion 380A and the second mounting portion 380B are provided on the central support portion 311. Specifically, the first mounting portion 380A is provided at the front end of the central support portion 311, and the second mounting portion 380B is provided in the central part of the central support portion 311.

[0071] The first mounting portions 380A are provided in three on each side in the left-right direction at the front end of the central support portion 311, in front of the through holes 351 and 352. The second mounting portions 380B are provided one on each side behind the through holes 351 and 352. The second mounting portions 380B are provided inside one of the mesh holes of the mesh portion 360 so as to close that mesh hole.

[0072] The third mounting portion 380C is provided on the left and right side support portions 312. Four third mounting portions 380C are provided on each side support portion 312, arranged in the front-to-back direction. The third mounting portion 380C located furthest forward has two mounting holes 381.

[0073] The resin member 31 is elastic. The resin member 31 (elastic member) is made of an elastic material. Specifically, the resin member 31 is made of an elastic resin. In this embodiment, the resin member 31 is made of an elastomer. As an example, the elastomer may be a polyurethane thermoplastic elastomer, a polyethylene thermoplastic elastomer, a polystyrene thermoplastic elastomer, or a polyolefin thermoplastic elastomer. The first pressure-receiving member 30 is integrally molded by insert molding or the like, with the resin member 31 covering the vertical wires 32 and the horizontal wires 33.

[0074] As shown in Figure 6, the side frame cover 40 is a member that covers the rear end of the first side frame 11. The side frame cover 40 is made of resin. The side frame cover 40 integrally includes an upper cover 41 and a side cover 42. In this embodiment, the rear end of the first side frame 11 corresponds to "one end in the longitudinal direction of the side frame," and the front end of the first side frame 11 corresponds to "the other end in the longitudinal direction of the side frame."

[0075] The upper cover 41 is the part that covers the upper part of the rear end of the first side frame 11. The side cover 42 is the portion that covers the inner side of the rear end of the first side frame 11 in the left-right direction, and extends downward from the inner side of the upper cover 41 in the left-right direction. Specifically, the side cover 42 extends diagonally downward so that it is positioned lower as you move from the outer side to the inner side in the left-right direction (see also Figure 2).

[0076] The vehicle seat S further comprises a blower 110, a duct 120, an ECU 130 as a control device, and a sensor 140. The blower 110 is, for example, a sirocco fan. The ECU 130 is an electronic control unit for controlling the blower 110 and includes a CPU, RAM, ROM, input / output circuits, etc. The sensor 140 is a sensor for detecting a person sitting in the vehicle seat S. The sensor 140 is, for example, a pressure sensor.

[0077] The blower 110 is positioned below the first pressure-receiving member 30. Furthermore, the blower 110 is attached to the first pressure-receiving member 30. In other words, the blower 110 is attached to the lower surface of the first pressure-receiving member 30, which is the side opposite to the seated person. The blower 110 is attached to the resin member 31 of the first pressure-receiving member 30. In this embodiment, the blower 110 is directly attached to the resin member 31 without the use of a bracket or the like. The blower 110 is supported by the seat frame F via the resin member 31 (first pressure-receiving member 30). In other words, the blower 110 is not directly supported by the seat frame F.

[0078] As shown in Figure 7, the blower 110 includes an impeller 111, a motor that rotates the impeller 111, a casing 113 that houses the impeller 111 and the motor, and two mounting portions 114. The mounting portions 114 are plate-shaped parts that protrude from the casing 113 and have a second through hole 115 into which the engaging portion 152 of the mounting member 150 (see Figure 8) engages.

[0079] In this embodiment, the mounting portion 114 includes a first mounting portion 114A and a second mounting portion 114B. The first mounting portion 114A extends from the casing 113 in the opposite direction from the outlet 113A of the casing 113. The second mounting portion 114B extends from the casing 113 in a different direction from the first mounting portion 114A. Specifically, the first mounting portion 114A extends backward from the casing 113, and the second mounting portion 114B extends left from the casing 113 (towards the left-right center of the first pressure receiving member 30) (see also Figure 9(b)).

[0080] As shown in Figure 8, the vehicle seat S further comprises a mounting member 150. The mounting member 150 is a member for attaching the blower 110 to the first pressure receiving member 30. The mounting member 150 is, for example, a clip and has a head 151 and an engaging portion 152.

[0081] The first pressure-receiving member 30 has a plate-shaped blower mounting portion 390. The blower mounting portion 390 is the part for attaching the blower 110 to the first pressure-receiving member 30. The blower mounting portion 390 has a first through-hole 391 that penetrates in the vertical direction. The first through-hole 391 is a hole into which the engaging portion 152 of the mounting member 150 engages for attaching the blower 110 to the first pressure-receiving member 30.

[0082] As shown in Figure 4, the blower mounting portion 390 is located to the right of the left-right center of the first pressure receiving member 30. Specifically, the blower mounting portion 390 is located inside one of the meshes of the first mesh portion 360A, which is located to the right of the left-right center of the first pressure receiving member 30, and is positioned to close off that mesh.

[0083] The blower mounting section 390 includes a first blower mounting section 390A and a second blower mounting section 390B. The first blower mounting section 390A is provided at the right end of the rear end of the first mesh section 360A (the end furthest from the left-right center of the first pressure receiving member 30). The second blower mounting section 390B is provided at the rear of the left end of the first mesh section 360A (the end closer to the left-right center of the first pressure receiving member 30). The second blower mounting section 390B is provided in front of the first blower mounting section 390A.

[0084] The blower mounting section 390 is provided in contact with the frame section 370. Specifically, the rear edge of the first blower mounting section 390A is provided in contact with the fifth frame section 375 of the frame section 370. The left edge of the second blower mounting section 390B (the end closest to the left-right center of the first pressure receiving member 30) is provided in contact with the first frame section 371 of the frame section 370. The first frame section 371 protrudes above the second blower mounting section 390B. Also, the first frame section 371 protrudes below the second blower mounting section 390B. The fifth frame section 375 protrudes above the first blower mounting section 390A. Also, the fifth frame section 375 protrudes below the first blower mounting section 390A.

[0085] A thickened portion 361 is provided around the blower mounting portion 390. In the first embodiment, the thickened portion 361 is the mesh portion of the first mesh portion 360A. The thickened portion 361 is provided in contact with the blower mounting portion 390. Specifically, the thickened portion 361 is provided in contact with the front edge and the left and right edges of the first blower mounting portion 390A. The thickened portion 361 is also provided in contact with the front and rear edges and the right edge of the second blower mounting portion 390B. The thickened portion 361 protrudes above the blower mounting portion 390. The thickened portion 361 also protrudes below the blower mounting portion 390. The thickened portion 361 includes thickened portions 361A to 361F.

[0086] Thickened portion 361A is in contact with the front edge of the first blower mounting portion 390A, thickened portion 361B is in contact with the right edge of the first blower mounting portion 390A, and thickened portion 361C is in contact with the left edge of the first blower mounting portion 390A. The first blower mounting portion 390A is located between thickened portions 361B and 361C. Thickened portions 361A, 361B, and 361C protrude above the first blower mounting portion 390A. Also, thickened portions 361A, 361B, and 361C protrude below the first blower mounting portion 390A.

[0087] The thickened portion 361D is in contact with the front edge of the second blower mounting portion 390B, the thickened portion 361E is in contact with the rear edge of the second blower mounting portion 390B, and the thickened portion 361F is in contact with the right edge of the second blower mounting portion 390B. The second blower mounting portion 390B is located between the thickened portions 361D and 361E. The thickened portions 361D, 361E, and 361F protrude above the second blower mounting portion 390B. Also, the thickened portions 361D, 361E, and 361F protrude below the second blower mounting portion 390B.

[0088] As shown in Figure 8, the mounting member 150 has an engaging portion 152 that engages from top to bottom with the first through hole 391 of the blower mounting portion 390 provided on the first pressure receiving member 30, and with the second through hole 115 of the mounting portion 114 provided on the blower 110. The tip of the engaging portion 152 protrudes below the blower mounting portion 390.

[0089] The thickened portion 361 (361A to 361F) protrudes above the mounting member 150. Specifically, the thickened portion 361 protrudes above the head portion 151 of the mounting member 150. In other words, the head portion 151 of the mounting member 150 does not protrude above the thickened portion 361 (see dashed line).

[0090] The first mounting portion 114A of the blower 110 is positioned below the first blower mounting portion 390A, in contact with the thickened portion 361B and the thickened portion 361C. Here, one of the thickened portion 361B and the thickened portion 361C corresponds to the "first thickened portion," and the other of the thickened portion 361B and the thickened portion 361C corresponds to the "second thickened portion."

[0091] The second mounting portion 114B of the blower 110 is positioned below the second blower mounting portion 390B, in contact with the thickened portion 361D and the thickened portion 361E. Here, one of the thickened portion 361D and the thickened portion 361E corresponds to the "first thickened portion," and the other of the thickened portion 361D and the thickened portion 361E corresponds to the "second thickened portion."

[0092] As shown in Figures 9(a) and (b), the blower 110 is positioned so as not to overlap with the mounting portion 380 when viewed from above. Specifically, the blower 110 is positioned so as not to overlap with any of the first mounting portion 380A, the second mounting portion 380B, and the third mounting portion 380C when viewed from above.

[0093] The blower 110 is positioned so as not to overlap with the vertical wires 32 when viewed from above. Specifically, the blower 110 is positioned so as not to overlap with the center wire 32A, the first side wire 32B, or the second side wire 32C when viewed from above. Furthermore, the blower 110 is positioned so as not to overlap with the horizontal wires 33 when viewed from above.

[0094] The blower 110 is positioned to the right of the center wire 32A. Specifically, when viewed from above, the blower 110 is positioned between the center wire 32A and the first side wire 32B. In this embodiment, one of the center wire 32A and the first side wire 32B corresponds to the "first wire," and the other of the center wire 32A and the first side wire 32B corresponds to the "second wire."

[0095] As shown in Figure 5, the blower 110 is positioned so that its front-to-back position coincides with the first bend 321D and the second bend 321E of the vertical wire 32. Also, when viewed from the left-to-right direction, the blower 110 is positioned so that it coincides with both the first bend 321D and the second bend 321E of the vertical wire 32. The blower 110 is positioned between the bends 321D and 321E of the center wire 32A and the bends 321D and 321E of the first side wire 32B.

[0096] As shown in Figure 6, the blower 110 is positioned so that its position in the front-to-back direction coincides with that of the side frame cover 40. Specifically, when viewed from above, the blower 110 is positioned behind the front end of the side frame cover 40 and in front of the rear end of the side frame cover 40. In the first embodiment, when viewed from above, the blower 110 is positioned between the left and right side frame covers 40.

[0097] As shown in Figure 10, the duct 120 is a tubular member that connects the blower 110 and the ventilation passage 60 provided in the seat cushion pad P1. The seat cushion pad P1 has a ventilation passage 60 inside. For example, the ventilation passage 60 includes a first ventilation passage 61, a second ventilation passage 62, and a plurality of third ventilation passages 63. The first ventilation passage 61 is provided to connect the second ventilation passage 62 and the space below the seat cushion pad P1. The third ventilation passages 63 are provided to connect the second ventilation passage 62 and the space above the seat cushion pad P1.

[0098] The duct 120 has one end, the first end 121, connected to the outlet 113A of the blower 110, and the other end, the second end 122, connected to the first ventilation passage 61 of the ventilation passage 60. The seat cushion S1 is configured so that air blown from the blower 110 passes through the duct 120 and the ventilation passage 60 and is blown out from the top surface of the seat cushion pad P1 towards the occupant.

[0099] The duct 120 has an L-shape when viewed from the left and right directions, extending forward from the blower 110, then bending and extending upward. The duct 120 extends from the lower side of the first pressure receiving member 30 through the through hole 351 to the upper side of the first pressure receiving member 30.

[0100] As shown in Figures 9(a) and (b), the duct 120 is positioned so as not to overlap with the mounting portion 380 when viewed from above. Specifically, the duct 120 is positioned so as not to overlap with any of the first mounting portion 380A, the second mounting portion 380B, and the third mounting portion 380C when viewed from above.

[0101] The second end 122 of the duct 120, which is the connection point between the duct 120 and the ventilation passage 60 (see Figure 10), is positioned in the front-to-back direction to coincide with the sensor 140. Specifically, when viewed from above, the second end 122 of the duct 120 is positioned side-by-side with the sensor 140 in the left-to-right direction. When viewed from above, the second end 122 of the duct 120 is positioned to the right of the sensor 140.

[0102] Furthermore, the second end 122 of the duct 120 is positioned to the right of the left-right center of the first pressure receiving member 30. Also, when viewed from above, the second end 122 of the duct 120 is positioned between the horizontal wire 33 and the blower 110. When viewed from above, the second end 122 of the duct 120 is positioned closer to the horizontal wire 33 than to the blower 110.

[0103] As shown in Figure 6, the duct 120 and its second end 122 are positioned closer to the front end of the first side frame 11 than to the side frame cover 40 in the front-rear direction. In other words, the second end 122 of the duct 120 is positioned in front of the front end of the side frame cover 40 when viewed from above.

[0104] As shown in Figures 9(a) and (b), the ECU 130 is attached to the first pressure-receiving member 30. The ECU 130 is positioned so as not to overlap with the vertical wires 32 when viewed from above. Specifically, the ECU 130 is positioned so as not to overlap with the center wire 32A, the first side wire 32B, and the second side wire 32C when viewed from above. In addition, the ECU 130 is positioned so as not to overlap with the horizontal wires 33 when viewed from above.

[0105] The ECU130 is positioned to the left of the center wire 32A. Specifically, when viewed from above, the ECU130 is positioned between the center wire 32A and the second side wire 32C. The ECU130's position in the front-to-back direction overlaps with that of the blower 110. In other words, the blower 110 and the ECU130 are positioned side by side in the left-to-right direction.

[0106] Furthermore, as shown in Figure 5, the ECU 130 is positioned so that its front-to-back position coincides with the second bend 321E of the vertical wire 32. Alternatively, the ECU 130 may be positioned so that it coincides with the second bend 321E of the vertical wire 32 when viewed from the left-to-right direction. Also, the ECU 130 may be positioned so that it coincides with the first bend 321D of the vertical wire 32 when viewed from the left-to-right direction.

[0107] As shown in Figures 9(a) and (b), the sensor 140 is attached to the upper surface of the first pressure-receiving member 30, which is the side facing the seated person. Specifically, the sensor 140 is attached to the upper surface of the sensor mounting portion 340. The sensor 140 is positioned to the left of the left-right center of the first pressure-receiving member 30. Specifically, the sensor 140 is positioned on the left portion of the sensor mounting portion 340 with respect to the left-right center of the first pressure-receiving member 30.

[0108] The sensor 140 is positioned so as not to overlap with the blower 110 when viewed from above. The sensor 140 does not overlap with the blower 110 in both the front-to-back and left-to-right directions. Specifically, the sensor 140 is positioned in front of the blower 110 and to the left of the blower 110 when viewed from above. The sensor 140 is positioned diagonally to the front left of the blower 110 when viewed from above.

[0109] The sensor 140 is positioned so as not to overlap with the duct 120 when viewed from above. Specifically, the sensor 140 is positioned to the left of the duct 120 when viewed from above. More precisely, the sensor 140 is positioned to the left of the second end 122 of the duct 120 when viewed from above.

[0110] As shown in Figure 6, the sensor 140 is positioned closer to the front end of the first side frame 11 than to the side frame cover 40 in the front-rear direction. Specifically, when viewed from above, the sensor 140 is positioned in front of the front end of the side frame cover 40.

[0111] Next, the effects of the vehicle seat S according to the first embodiment will be described. Since the first pressure-receiving member 30 includes an elastic resin member 31 and the blower 110 is attached to the resin member 31, vibrations when the blower 110 is operating can be suppressed.

[0112] Because the first pressure-receiving member 30 is plate-shaped, the blower 110 is easy to attach to the first pressure-receiving member 30.

[0113] Since the resin member 31 to which the blower 110 is attached is made of elastomer, vibrations when the blower 110 is operating can be effectively suppressed.

[0114] The blower 110 is positioned so that, when viewed from above, it does not overlap with the mounting section 380. This makes it less likely for the blower 110 to get in the way when attaching other components, such as harnesses, to the mounting section 380.

[0115] Since the duct 120 is positioned so that it does not overlap with the mounting part 380 when viewed from above, the duct 120 is less likely to get in the way when attaching components other than the blower 110, such as harnesses, to the mounting part 380.

[0116] Since the duct 120 extends upward from the lower side of the first pressure-receiving member 30 through the through-hole 351 of the first pressure-receiving member 30, the duct 120 can be arranged more compactly compared to, for example, a case where the duct extends upward through the front, back, left, and right sides of the first pressure-receiving member.

[0117] The position of the second end 122 of the duct 120 in the front-rear direction is closer to the front end of the first side frame 11 than to the side frame cover 40, allowing the second end 122 of the duct 120 to be positioned away from the side frame cover 40.

[0118] The position of the blower 110 in the front-to-back direction coincides with that of the side frame cover 40, allowing the blower 110 to be positioned within the width of the side frame cover 40 in the front-to-back direction.

[0119] Since the blower 110 is directly attached to the resin member 31, the number of parts can be reduced compared to, for example, when the blower is attached to the resin member via a bracket or the like.

[0120] Since the sensor 140 is mounted on the upper surface of the first pressure-receiving member 30 and the blower 110 is mounted on the lower surface of the first pressure-receiving member 30, the sensor 140 and the blower 110 can be arranged more compactly compared to, for example, the case where both the sensor and the blower are mounted on the same upper and lower sides of the first pressure-receiving member.

[0121] To elaborate, if both the sensor and the blower are mounted on the same upper and lower side of the first pressure-receiving member, the blower must be positioned a certain distance from the sensor so as not to interfere with the sensor's detection, making it difficult to arrange the sensor and blower compactly. In the first embodiment, even if the blower 110 is positioned close to the sensor 140, it does not interfere with the sensor 140's detection. This allows the sensor 140 and blower 110 to be arranged compactly.

[0122] The position of the second end 122 of the duct 120 in the front-to-back direction coincides with that of the sensor 140, allowing the sensor 140 and the second end 122 of the duct 120 to be compactly arranged in the front-to-back direction.

[0123] With respect to the left-right center of the first pressure-receiving member 30, the second end 122 of the duct 120 is positioned to the right, and the sensor 140 is positioned to the left. This allows for a reduction in the size of the first pressure-receiving member 30 compared to, for example, a case where the connection portion of the duct to the air passage and the sensor are positioned on the same left and right sides.

[0124] By positioning the sensor 140 in a location that does not overlap with the duct 120 when viewed from above, the duct 120 can be made shorter. Furthermore, the duct 120 can be made into a simpler shape.

[0125] Since the sensor 140 is positioned so as not to overlap with the blower 110 when viewed from above, vibrations from the blower 110 when it is operating are less likely to affect the detection of the sensor 140.

[0126] Since the position of the sensor 140 in the left-right direction does not overlap with the blower 110, the sensor 140 can be positioned further away from the blower 110.

[0127] The position of the blower 110 in the front-rear direction overlaps with the side frame cover 40, and the position of the sensor 140 in the front-rear direction is closer to the front end of the first side frame 11 than the side frame cover 40, allowing the sensor 140 to be positioned further away from the blower 110.

[0128] By positioning the blower 110 in a location that does not overlap with the vertical wire 32 when viewed from above, the blower 110 can be positioned to overlap with the vertical wire 32 in the vertical direction, which is the direction in which the first pressure receiving member 30 faces the seated person. This allows the first pressure receiving member 30 and the blower 110 to be arranged compactly in the vertical direction.

[0129] The position of the blower 110 in the front-to-back direction coincides with the bent portions 321D and 321E of the vertical wire 32, allowing the blower 110 to be mounted near the highly rigid bent portions 321D and 321E of the vertical wire 32. This improves the mounting strength of the blower 110.

[0130] The position of the ECU130 in the front-to-back direction coincides with the second bend 321E of the vertical wire 32, allowing the ECU130 to be mounted near the highly rigid second bend 321E of the vertical wire 32. This improves the mounting strength of the ECU130.

[0131] By positioning the ECU130 in a location that does not overlap with the vertical wire 32 when viewed from above, the ECU130 can be positioned to overlap with the vertical wire 32 in the vertical direction. This allows the first pressure-receiving member 30 and the ECU130 to be arranged compactly in the vertical direction.

[0132] The blower 110 is positioned between the center wire 32A and the first side wire 32B when viewed from above, allowing the blower 110 to be attached to the portion of the first pressure receiving member 30 that is reinforced by the center wire 32A and the first side wire 32B, between the center wire 32A and the first side wire 32B. This improves the mounting strength of the blower 110.

[0133] The second end 122 of the duct 120 is positioned closer to the lateral wire 33 than to the blower 110 when viewed from above, allowing the second end 122 of the duct 120 to be positioned near the portion of the first pressure-receiving member 30 that is reinforced by the lateral wire 33.

[0134] With respect to the center wire 32A, the blower 110 is positioned to the right and the ECU 130 is positioned to the left. This makes it easier to secure mounting locations for the blower 110 and the ECU 130 compared to, for example, a case where the blower and the control device are positioned on the same side.

[0135] The blower 110 is positioned between the center wire 32A and the first side wire 32B when viewed from above, allowing the blower 110 to be attached to the portion of the first pressure receiving member 30 that is reinforced by the center wire 32A and the first side wire 32B, between the center wire 32A and the first side wire 32B. Similarly, the ECU 130 is positioned between the center wire 32A and the second side wire 32C when viewed from above, allowing the ECU 130 to be attached to the portion of the first pressure receiving member 30 that is reinforced by the center wire 32A and the second side wire 32C, between the center wire 32A and the second side wire 32C. This improves the mounting strength of the blower 110 and the ECU 130.

[0136] Since the transverse wire 33 passes through the leading edges of the through holes 351 and 352 in the resin member 31, the transverse wire 33 can reinforce the edges of the through holes 351 and 352 in the resin member 31.

[0137] The resin member 31 having a mesh portion 360 improves the cushioning properties of the first pressure-receiving member 30. Furthermore, it allows for a reduction in the weight of the first pressure-receiving member 30.

[0138] The presence of a thickened portion 361 around the blower mounting portion 390 improves the strength of the blower mounting portion 390, thereby improving the mounting strength of the blower 110. Furthermore, the presence of a thickened portion 361 around the blower mounting portion 390 allows for a relatively smaller upward protrusion of the engaging portion 152 that engages with the blower mounting portion 390.

[0139] The tip of the engaging portion 152, which engages with the blower mounting portion 390, protrudes below the blower mounting portion 390, thereby reducing the amount of upward protrusion of the mounting member 150.

[0140] Since the thickened portion 361 protrudes above the mounting member 150, the mounting member 150 can be prevented from protruding above the thickened portion 361.

[0141] The first mounting portion 114A of the blower 110 is positioned in contact with the thick portion 361B and the thick portion 361C, thereby suppressing rattle of the first mounting portion 114A. The second mounting portion 114B of the blower 110 is positioned in contact with the thick portion 361D and the thick portion 361E, thereby suppressing rattle of the second mounting portion 114B. As a result, rattle of the blower 110 can be suppressed.

[0142] Since the blower mounting section 390 is provided to the right of the left-right center of the first pressure receiving member 30, the blower 110 can be positioned to the right of the left-right center of the first pressure receiving member 30, and space can be secured to the left for mounting a component other than the blower 110, such as an ECU 130.

[0143] The first pressure-receiving member 30 has a mesh portion 360 on which a blower mounting portion 390 is provided, thereby allowing the first pressure-receiving member 30 to have a blower mounting portion 390 while improving the cushioning properties of the first pressure-receiving member 30 with the mesh portion 360.

[0144] Since the blower mounting portion 390 is provided in contact with the frame portion 370 surrounding the mesh portion 360, the strength of the blower mounting portion 390 is further improved, and thus the mounting strength of the blower 110 can be further improved.

[0145] Next, a modified example of the first embodiment will be described. As shown in Figures 11(a) and (b), the blower 110 may have a configuration that includes protrusions 116A and 116B that project from the mounting portion 114 toward the blower mounting portion 390. For example, as shown in Figure 11(a), the protrusion 116A can have a rectangular prism shape or a cylindrical shape. The protrusion 116A may also be trapezoidal.

[0146] Furthermore, as shown in Figure 11(b), the protrusions 116B may have a rib shape extending in the front-to-back direction and be configured in a configuration where multiple protrusions are arranged in the front-to-back direction.

[0147] The protrusions 116A and 116B contact the blower mounting portion 390 from below when the engaging portion 152 of the mounting member 150 is engaged with the first through hole 391 of the blower mounting portion 390 and the second through hole 115 of the mounting portion 114. The mounting portion 114 is positioned in contact with the thickened portions 361B, 361C or 361D, 361E, and furthermore, the blower 110 has protrusions 116A and 116B that contact the blower mounting portion 390, so that rattling of the mounting portion 114 can be further suppressed by the thickened portions 361B, 361C or 361D, 361E and the protrusions 116A and 116B. As a result, rattling of the blower 110 can be further suppressed.

[0148] Next, a second embodiment will be described. The following description will focus on the differences from the previously described embodiment. Points that are the same as those described in the previously described embodiment will be omitted from the description by using the same reference numerals for the same elements.

[0149] As shown in Figures 12 and 13(a) and (b), in the second embodiment, the blower 110 is attached to the lower side of the sensor mounting portion 340 provided on the resin member 31 of the first pressure receiving member 30. The blower 110 is directly attached to the resin member 31. For example, the blower 110 has a plate-shaped mounting portion and is fixed to the resin member 31 by screws, rivets, or the like.

[0150] The blower 110 is positioned in the left-right center of the first pressure receiving member 30. When viewed from above, the blower 110 is positioned so as to overlap with the center wire 32A. When viewed from above, the blower 110 is positioned so as not to overlap with the first side wire 32B and the second side wire 32C. When viewed from above, the blower 110 is positioned so as to overlap with the horizontal wire 33.

[0151] The blower 110 is positioned closer to the front end of the first side frame 11 than to the side frame cover 40 in the front-rear direction. Specifically, when viewed from above, the blower 110 is positioned in front of the front end of the side frame cover 40.

[0152] The blower 110 is positioned so that its front-to-back orientation coincides with the through-holes 351 and 352. Specifically, when viewed from above, the blower 110 is located to the left of through-hole 351. Also, when viewed from above, the blower 110 is located to the right of through-hole 352. In other words, when viewed from above, the blower 110 is located between through-holes 351 and 352.

[0153] The blower 110 is positioned so that it overlaps with the sensor 140 when viewed from above. In other words, the sensor 140 is positioned so that it overlaps with the blower 110 when viewed from above. The position of the sensor 140 in the front-to-back direction overlaps with the blower 110. Also, the position of the sensor 140 in the left-to-right direction overlaps with the blower 110. The sensor 140 is positioned above the blower 110. The blower 110 and the sensor 140 are positioned opposite each other in the vertical direction, with the sensor mounting portion 340 in between.

[0154] In the second embodiment, the duct 120 extends to the right from the blower 110, then bends and extends upward. The duct 120 extends from the lower side of the first pressure receiving member 30 through the through hole 351 to the upper side of the first pressure receiving member 30.

[0155] The duct 120 is positioned so as not to overlap with the mounting portion 380 when viewed from above. Specifically, the duct 120 is positioned so as not to overlap with any of the first mounting portion 380A, the second mounting portion 380B, and the third mounting portion 380C when viewed from above.

[0156] In the second embodiment, the ECU 130 is attached to a mounting portion 380 provided on the first pressure-receiving member 30. Specifically, the ECU 130 is attached to a third mounting portion 380C provided on the left side support portion 312. For example, the ECU 130 is attached to the first pressure-receiving member 30 by engaging a clip, a claw portion provided on the ECU 130 itself, etc., with a mounting hole 381.

[0157] ECU130 is positioned so as not to overlap with the center wire 32A and the first side wire 32B when viewed from above. ECU130 is positioned to the left of the center wire 32A. ECU130 is positioned so as to overlap with the second side wire 32C when viewed from above.

[0158] Next, the effects of the vehicle seat S according to the second embodiment will be described. By aligning the front-to-back position of the blower 110 with the through-hole 351 of the first pressure-receiving member 30, the distance from the blower 110 to the through-hole 351 can be shortened. This allows the duct 120 to be shortened.

[0159] The position of the blower 110 in the front-rear direction is closer to the front end of the first side frame 11 than to the side frame cover 40, allowing the blower 110 to be positioned away from the side frame cover 40.

[0160] By positioning the sensor 140 so that it overlaps with the blower 110 when viewed from above, the sensor 140 and the blower 110 can be arranged more compactly.

[0161] The embodiments have been described above, but the vehicle seat can be modified as appropriate as shown in the following examples.

[0162] In the above embodiment, the vehicle seat S was configured to include a mounting member 150 having an engaging portion 152. However, for example, the vehicle seat S may not include the mounting member 150, and the blower 110 may have an engaging portion 117, as shown in the first modified example in Figures 14(a) and (b). In the first modified example, the blower 110 is attached to the first pressure receiving member 30 by the engaging portion 117 engaging with the mounting hole 381 of the second mounting portion 380B from below. Since the blower 110 has an engaging portion 117, a mounting member having an engaging portion is unnecessary, thus reducing the number of parts.

[0163] The second mounting section 380B has a bottom wall 382 with a mounting hole 381 and a side wall 383 that protrudes upward from around the bottom wall 382. The upper end of the side wall 383 is connected to the mesh section 362 of the mesh section 360 (360A, 360B). In the first modified example, the bottom wall 382 corresponds to the "blower mounting section," and the mounting hole 381 corresponds to the "first through hole." Also, the side wall 383 and the mesh section 362 correspond to the "thickened section."

[0164] In the first modification, the side wall 383 and mesh portion 362, which are thickened sections, are provided around the entire circumference of the bottom wall 382, ​​rather than just on a portion of its periphery. In other words, in the first modification, the bottom wall 382, ​​which serves as the blower mounting section, is not in contact with the frame portion 370 (371-375). Also, in the first modification, the side wall 383 and mesh portion 362, which are thickened sections, protrude only above the bottom wall 382, ​​and not below it.

[0165] The tip of the engaging portion 117 protrudes above the bottom wall 382. Of the side walls 383 and mesh portion 362 that constitute the thickened portion, the mesh portion 362 protrudes above the engaging portion 117. Specifically, the mesh portion 362 protrudes above the tip of the engaging portion 117. In other words, the engaging portion 117 does not protrude above the mesh portion 362.

[0166] As shown in the second modified example in Figures 15(a) and (b), the vehicle seat S may be configured such that the first pressure-receiving member 30 has an engaging portion 384. Specifically, the engaging portion 384 protrudes downward from the resin member 31. In the second modified example, the blower 110 is attached to the first pressure-receiving member 30 by the engaging portion 384 engaging from above with the second through-hole 115 of the mounting portion 114 provided on the blower 110. Since the first pressure-receiving member 30 has an engaging portion 384, a mounting member with an engaging portion is not required, thus reducing the number of parts.

[0167] The engaging portion 384 may have a mounting hole 385 that penetrates vertically at its tip. A component other than the blower 110 can be attached to the mounting hole 385. For example, a harness can be attached to the first pressure receiving member 30 by engaging a harness clip 70 for holding the harness with the mounting hole 385.

[0168] As shown in the third modified example in Figure 16, the vehicle seat S may be configured to include a seat cushion airbag 160. The seat cushion airbag 160 inflates during a collision to suppress the so-called submarining phenomenon, in which the occupant slides off the seat cushion S1 and into the space under their feet. The seat cushion airbag 160 is positioned on top of the pan frame 14.

[0169] The blower 110, duct 120, ECU 130, and sensor 140 are each positioned so as not to overlap with the seat cushion airbag 160 in its uninflated state when viewed from above. Specifically, the blower 110, duct 120, ECU 130, and sensor 140 are each positioned behind the seat cushion airbag 160 in its uninflated state when viewed from above.

[0170] Furthermore, the second end 122 of the duct 120 is positioned so as not to overlap with the seat cushion airbag 160 when viewed from above. Specifically, the second end 122 of the duct 120 is positioned behind the seat cushion airbag 160 in its uninflated state when viewed from above.

[0171] As shown in Figures 17(a) and (b), the vehicle seat S may be configured to include vibration generating devices 171 and 172 that generate vibrations. For example, as in the fourth modified example shown in Figure 17(a), the vibration generating device 171 includes two eccentric motors 171A. The eccentric motors 171A are arranged, for example, one each in the left and right recesses formed in the front part of the first central part PC1 of the seat cushion pad P1.

[0172] The blower 110, duct 120, ECU 130, and sensor 140 are each positioned so as not to overlap with the eccentric motor 171A when viewed from above. Specifically, the blower 110, duct 120, ECU 130, and sensor 140 are each positioned behind the eccentric motor 171A when viewed from above.

[0173] Furthermore, as shown in the fifth modified example in Figure 17(b), the vibration generating device 172 comprises a rod-shaped vibration transmitting member 172A and a vibration output device 172B that outputs vibrations to the vibration transmitting member 172A. The vibration transmitting member 172A is located within the seat cushion pad P1.

[0174] The blower 110, duct 120, ECU 130, and sensor 140 are each positioned so as not to overlap with the vibration transmission member 172A when viewed from above. The blower 110, duct 120, and ECU 130 are each positioned behind the rear end of the vibration transmission member 172A when viewed from above. The sensor 140 is positioned between the rear ends of the two vibration transmission members 172A when viewed from above.

[0175] As shown in Figures 18(a) and (b), the vehicle seat S may be configured to include a plurality of air bladders 181, 182. In a vehicle seat S equipped with air bladders 181, 182, the support position for the occupant can be changed, for example, by adjusting the amount of air in the air bladders 181, 182. In addition, in a vehicle seat S equipped with air bladders 181, 182, the repeated inflation and deflation of the air bladders 181, 182 can provide the occupant with a massage effect, an alerting effect, etc.

[0176] As shown in the sixth modified example in Figure 18(a), multiple air bladders 181 are arranged between the first central part PC1 of the seat cushion pad P1 and the seat cushion surface SK1. Specifically, the air bladders 181 include a first air bladder 181A, a second air bladder 181B positioned behind the first air bladder 181A, and a third air bladder 181C positioned behind the second air bladder 181B.

[0177] The first air bag 181A and the second air bag 181B are positioned so as to sandwich the sensor mounting portion 340 and the through holes 351 and 352 from the front and back when viewed from above. The second end 122 of the duct 120 and the sensor 140 are positioned so as not to overlap with the air bag 181 when viewed from above. Specifically, the second end 122 of the duct 120 and the sensor 140 are positioned so as not to overlap with the air bag 181 when viewed from above. The blower 110 may also be positioned so as not to overlap with the air bag 181 when viewed from above. The duct 120 may also be positioned so as not to overlap with the air bag 181 when viewed from above. The ECU 130 may also be positioned so as not to overlap with the air bag 181 when viewed from above.

[0178] Furthermore, as shown in the seventh modified example in Figure 18(b), the air bladder 182 is positioned between each first side PS1 of the seat cushion pad P1 and the seat cushion surface SK1. Specifically, the air bladder 182 includes a right air bladder 182A positioned on the right first side PS1 and a left air bladder 182B positioned on the left first side PS1.

[0179] The blower 110, duct 120, ECU 130, and sensor 140 are each positioned so as not to overlap with the air bag 182 when viewed from above. Specifically, the blower 110, duct 120, ECU 130, and sensor 140 are each positioned between the right air bag 182A and the left air bag 182B when viewed from above.

[0180] Furthermore, the second end 122 of the duct 120 and the sensor 140 are positioned so as not to overlap with the air bag 182 when viewed from above. Specifically, the second end 122 of the duct 120 and the sensor 140 are positioned between the right air bag 182A and the left air bag 182B when viewed from above.

[0181] In the above embodiment, a vertical wire 32 stretched between the front frame 12 and the rear frame 13 was exemplified as the first reinforcing wire, but the first reinforcing wire may be a wire stretched between the left and right first side frames 11. As an example, as shown in the eighth modified example in Figure 19, the horizontal wire 33 as the first reinforcing wire includes a front wire 33A and a rear wire 33B.

[0182] The front wire 33A and the rear wire 33B each extend in the left-right direction, with their right ends engaging with the right first side frame 11 and their left ends engaging with the left first side frame 11. The left-right central portion of both the front wire 33A and the rear wire 33B is covered by a resin member 31. The left and right ends of the front wire 33A and the rear wire 33B may also be covered with resin or the like.

[0183] The blower 110, duct 120, ECU 130, and sensor 140 are each positioned so as not to overlap with the horizontal wire 33 when viewed from above. Specifically, the blower 110, duct 120, ECU 130, and sensor 140 are each positioned between the front wire 33A and the rear wire 33B when viewed from above.

[0184] In a configuration where the horizontal wire 33 is stretched across the left and right first side frames 11, the vertical wire 32 (a wire extending in the front-to-back direction) may not be stretched across the front frame 12 and the rear frame 13. Also, the first pressure receiving member may not have a wire extending in the front-to-back direction.

[0185] In the above embodiment, the ECU 130 was attached to the first pressure-receiving member 30, but the ECU 130 may be attached to a member other than the first pressure-receiving member 30. For example, the ECU 130 may be attached to the seat frame F, such as the first side frame 11.

[0186] Furthermore, as shown in the ninth modified example in Figures 20(a) and (b), the vehicle seat S may include a support member 190 mounted across the left and right upper rails R2, and the ECU 130 may be attached to the support member 190. The support member 190 is made of, for example, a metal plate or resin. The ECU 130 is attached, for example, to the upper surface of the support member 190. The seat cushion S1, the support member 190, and the ECU 130 are slidable back and forth together with the upper rails R2.

[0187] In the ninth modification, the blower 110 is attached to the first pressure receiving member 30, similar to the first embodiment. In the ninth modification, as shown in Figure 20(a), the blower 110 and duct 120 are positioned so as not to overlap with the ECU 130 when viewed from above. In this configuration, the blower 110 and duct 120 and the ECU 130 can be positioned so that their vertical positions overlap, making the vehicle seat S more compact in the vertical direction. The sensor 140 is positioned so as to overlap with the ECU 130 when viewed from above. The sensor 140 is located on the upper surface of the sensor mounting portion 340, and the ECU 130 is located below the sensor mounting portion 340.

[0188] In the tenth modified example shown in Figure 21, the blower 110 is attached to the first pressure receiving member 30, similar to the second embodiment, and the ECU 130 is attached to the support member 190, similar to the ninth modified example (see Figure 20(b)). In the tenth modified example, the blower 110 is positioned so as to overlap with the ECU 130 when viewed from above. Specifically, the blower 110 is positioned above the ECU 130. With this configuration, the wiring connecting the blower 110 and the ECU 130 can be shortened.

[0189] In the above embodiment, the blower mounting portion 390 was provided on the mesh portion 360 of the first pressure receiving member 30. However, for example, the blower mounting portion may be provided on a part of the first pressure receiving member other than the mesh portion, such as a side support portion, a sensor mounting portion, or a frame portion.

[0190] In the above embodiment, the entire wires 32 and 33 were covered by the resin member 31 (elastic member), but for example, only a part of the wire may be covered by the resin member (elastic member). In other words, a part of the wire may be exposed from the resin member (elastic member).

[0191] In the above embodiment, the side frame cover 40 was configured to cover the upper side and the left-right inner side of the rear end of the first side frame 11. However, for example, the side frame cover may be configured to cover only the left-right inner side of the rear end of the first side frame. Also, the vehicle seat may be configured without a side frame cover.

[0192] In the above embodiment, the blower 110 was directly attached to the resin member 31 (elastic member), but for example, the blower may be attached to the elastic member via a bracket or the like.

[0193] In the above embodiment, the sensor 140 was positioned so as not to overlap with the duct 120 when viewed from above. However, for example, the sensor may be positioned so as to overlap with the duct when viewed from above.

[0194] In the above embodiment, the second end portion 122 of the duct 120 (the connection portion between the duct and the ventilation passage) was positioned in the front-rear direction at the same location as the sensor 140. However, for example, the connection portion between the duct and the ventilation passage does not necessarily have to be positioned in the front-rear direction at the same location as the sensor.

[0195] For example, the blower, blower mounting section, duct, ECU (control unit), sensor, etc., may be arranged symmetrically to those in the embodiments and modified examples described above.

[0196] In the above embodiment, the sensor 140 was a pressure sensor, but for example, the sensor may be a temperature sensor, humidity sensor, sound sensor, light sensor, heart rate sensor, respiration sensor, sensor that detects the movement of a seated person, sensor that detects the amount of sweat of a seated person, etc.

[0197] In the above embodiment, the vehicle seat S was configured to blow air from the upper surface of the seat cushion S1, but for example, the vehicle seat may be configured to draw in air from the upper surface of the seat cushion.

[0198] In the above embodiment, the invention was applied to the seat cushion S1, but it may also be applied to, for example, the seat back. When the invention is applied to the seat back, the front corresponds to the "seater side" and the rear corresponds to the "opposite side from the seater side". Furthermore, when the invention is applied to the seat back, the "side frame" can be configured to be long in the vertical direction, which is perpendicular to the left-right direction.

[0199] In the above embodiment, a vehicle seat S installed in an automobile was given as an example of a seat for use in a vehicle, but it may also be a seat for use in vehicles other than automobiles, such as a railway car, ship, or aircraft. Furthermore, the invention may also be applied to a seat used, for example, in a home.

[0200] The elements described in the above embodiments and modifications may be implemented in any combination. [Explanation of Symbols]

[0201] 11. First side frame 30 First pressure-receiving member 110 Blower 114 Mounting part 115 Second through hole 116A, 116B protrusions 150 Mounting components 152 Engaging part 360 Mesh section 361(361A~361F) Thick part 370 Frame section 390 Blower mounting section 391 First through hole F Seat Frame S Vehicle Seat

Claims

1. A seat frame having left and right side frames spaced apart in the left-right direction, A pressure-receiving member that supports a seated person, comprising a pressure-receiving member positioned between the left and right side frames, The system comprises a blower attached to the pressure receiving member, The pressure-receiving member is A plate-shaped blower mounting portion having a first through-hole into which an engaging portion for attaching the blower to the pressure receiving member engages, A vehicle seat characterized by having a thickened portion provided in contact with the blower mounting portion and extending to at least a part of the periphery of the blower mounting portion, the thickened portion protruding at least from the blower mounting portion toward the seated person.

2. A mounting member for attaching the blower to the pressure receiving member, comprising a mounting member having an engaging portion that engages with the first through hole from the seated person side toward the opposite side from the seated person side, The vehicle seat according to claim 1, characterized in that the tip of the engaging portion protrudes on the side opposite to the seated person from the blower mounting portion.

3. The vehicle seat according to claim 2, characterized in that the thickened portion protrudes toward the seated person more than the mounting member.

4. The aforementioned thickened portion includes a first thickened portion and a second thickened portion. The first and second thickened portions protrude from the blower mounting portion on the side opposite to the seated person, The blower mounting portion is located between the first thick portion and the second thick portion. The blower has a plate-shaped mounting portion having a second through hole into which the engaging portion engages, The vehicle seat according to claim 2, characterized in that the mounting portion is located on the side opposite to the seated person with respect to the blower mounting portion and is in contact with the first thick portion and the second thick portion.

5. The vehicle seat according to claim 4, characterized in that the blower has a protrusion that extends from the mounting portion toward the blower mounting portion and has a protrusion that contacts the blower mounting portion.

6. The vehicle seat according to claim 1, characterized in that the blower mounting portion is provided on one side in the left-right direction with respect to the left-right center of the pressure receiving member.

7. The pressure-receiving member has a mesh portion that forms a mesh shape, The blower mounting portion is provided so as to close one of the mesh holes inside the mesh portion. The vehicle seat according to claim 1, characterized in that the thickened portion is the mesh portion of the mesh.

8. The pressure-receiving member has a frame portion provided so as to surround the mesh portion, The vehicle seat according to claim 7, characterized in that the blower mounting portion is provided in contact with the frame portion.

9. The vehicle seat according to claim 1, characterized in that the blower has the engagement portion.

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