Vehicle seats

Abstract

To provide a vehicle seat that can improve the rigidity of the support members. [Solution] The vehicle seat is equipped with a support member 20, the support member 20 having a plurality of erection wires 100 installed on a front frame 12 and a rear frame 13, reinforcing wires (horizontal wires 220) arranged to intersect the erection wires 100 when viewed from above, and a plate-shaped resin member 300 formed integrally with the plurality of erection wires 100 and the reinforcing wires, the resin member 300 having a sensor placement section where sensors are placed, and a sensor placement section located between two adjacent erection wires 100 (second vertical wires 120), the reinforcing wires having ends 224 extending front and rear at both left and right ends, the resin member 300 having a first covering section that covers the erection wires 100, a second covering section that covers the ends of the reinforcing wires, and a connecting section that connects the first covering section and the second covering section, and the ends 224 of the reinforcing wires are non-parallel to the erection wires 100 (first vertical wires 110) when viewed from the left and right directions.

Description

Technical Field

[0001] The present invention relates to a vehicle seat provided with a blower device.

Background Art

[0002] As a vehicle seat, for example, Patent Document 1 discloses a seat spring spanned between frames before and after a seat cushion, to which a blower device is attached.

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 the prior art, since the blower device is attached near the center of the seat spring, the load from the seated person sitting on the seat is likely to be applied to the blower device.

[0005] Therefore, an object is to make it difficult for the load from the seated person to be applied to the blower device. Another object is to improve the degree of freedom in attaching the blower device. Another object is to effectively utilize the space inside the seat. Another object is to reduce vibration and noise associated with the operation of the blower device. Another object is to reduce the operating sound of the blower device transmitted to the seated person. Another object is to improve the mounting rigidity of the blower device. Another object is to make the seat more compact.

Means for Solving the Problems

[0006] A vehicle seat comprises a frame member having a pair of opposing frames positioned apart from each other in an opposing state, and a first connecting frame connecting the pair of opposing frames; a plate-shaped support member positioned between the pair of opposing frames and receiving the load from the occupant; and a blower, wherein the blower is attached to the support member and a portion of it is positioned on the side of the first connecting frame opposite to the occupant's side.

[0007] With this configuration, a portion of the blower attached to the support member is positioned on the side of the first connecting frame opposite to the seated person, allowing the load from the seated person to be supported by the first connecting frame. This makes it less likely for the load from the seated person to be placed on the blower.

[0008] The aforementioned vehicle seat may be configured to include a bracket attached to the side of the support member opposite to the seated person, and the blower may be configured to have at least a portion of it attached to the bracket.

[0009] This allows for greater flexibility in mounting the ventilation device. Furthermore, it improves the flexibility in arranging the ventilation device within the sheet, allowing for more effective use of the space within the sheet.

[0010] In the vehicle seat described above, the frame member is arranged spaced apart from the first connecting frame and has a second connecting frame that connects the pair of opposing frames, the support member has a support wire installed between the first connecting frame and the second connecting frame and a plate-shaped resin member formed integrally with the support wire, and the blower is attached to the resin member.

[0011] According to this, compared to the case where the blower is attached to the overhead wire, it is possible to reduce the vibration of the support member associated with the operation of the blower and to reduce the noise generated by the vibration during the operation of the blower.

[0012] In the aforementioned vehicle seat, the resin member may be configured to have a wall that covers at least the impeller of the blower when viewed from the seated person's side.

[0013] According to this, the sound generated by the rotation of the impeller can be blocked by the resin wall, thus reducing the operating noise of the fan that is transmitted to the seated person.

[0014] In the aforementioned vehicle seat, the resin member may have a boss protruding toward the side opposite to the seated person, and the blower may be attached to the boss.

[0015] This allows for increased flexibility in the installation of the blower.

[0016] In the aforementioned vehicle seat, the boss can be configured to be positioned on both sides of the erection wire in the opposing direction of the pair of opposing frames.

[0017] According to this, the blower is attached to the resin member with a highly rigid section reinforced by the resin member's erection wire in between, thus improving the mounting rigidity of the blower.

[0018] In the aforementioned vehicle seat, the resin member may be configured to have a through-hole through which a duct connected to the blower passes.

[0019] According to this, the sheet can be made more compact compared to the case where the duct is arranged to bypass the support member.

[0020] In the vehicle seat described above, the frame member is a cushion frame that constitutes the frame of the seat cushion, the pair of opposing frames are arranged at intervals in the left-right direction, the first connecting frame connects the front portions of the pair of opposing frames, the support member has an inclined portion extending obliquely upward at the front side portion, and the blower device can be configured to be disposed below the inclined portion.

[0021] According to this, since the blower device can be compactly arranged below the support member, the seat can be made compact.

[0022] In the vehicle seat described above, the frame member is a cushion frame that constitutes the frame of the seat cushion, the pair of opposing frames are arranged at intervals in the left-right direction, the first connecting frame connects the front portions of the pair of opposing frames, the blower device can be configured such that the front side portion is attached to the bracket and disposed below the first connecting frame, and the rear side portion is directly attached to the support member.

[0023] According to this, the degree of freedom in attaching the blower device can be further improved. Also, the degree of freedom in arranging the blower device within the seat can be further improved, so that the space within the seat can be more effectively utilized.

Advantages of the Invention

[0024] It is possible to make it difficult for the load from the seated person to be applied to the blower device.

[0025] Also, by attaching at least a part of the blower device to the support member via a bracket, the degree of freedom in attaching the blower device can be improved, and the space within the seat can be effectively utilized.

[0026] Also, by attaching the blower device to the resin member constituting the support member, vibrations and noises associated with the operation of the blower device can be reduced.

[0027] Furthermore, by providing a wall on the resin component that covers at least the impeller of the blower, the operating noise of the blower transmitted to the seated person can be reduced.

[0028] Furthermore, by attaching the blower to a boss provided on the resin component, the degree of freedom in mounting the blower can be improved.

[0029] Furthermore, by positioning bosses on both sides of the overhead wire in the opposing direction of a pair of opposing frames, the mounting rigidity of the blower can be improved.

[0030] Furthermore, by providing a through-hole in the resin component through which a duct connected to a blower passes, the sheet can be made more compact.

[0031] Furthermore, by positioning the blower below the inclined portion of the resin component, the sheet can be made more compact.

[0032] Furthermore, by attaching the front portion of the blower to the support member via a bracket and the rear portion directly to the support member, the degree of freedom in mounting the blower can be further improved, and the space within the seat can be used more effectively. [Brief explanation of the drawing]

[0033] [Figure 1] This figure shows a vehicle seat as a seat for a vehicle according to an embodiment. [Figure 2] This diagram shows the cushion frame and support members. [Figure 3] Figure (a) shows the erection wires and reinforcing wires, Figure (b) is a top view of the point where the second longitudinal wire and the second transverse wire intersect, Figure (c) is a view from the left and right, and Figure (d) is a view from the left and right of the point where the first longitudinal wire and the second transverse wire intersect. [Figure 4] This is a diagram showing the support members. [Figure 5] This is a top view of the support member. [Figure 6]Figure 5 is a cross-sectional view of the VV section. [Figure 7] Figure 5 is a cross-sectional view of the Wwn-Wave region. [Figure 8] This is a diagram showing a magnified view of a part of the support member. [Figure 9] (a) is a view of the cushion frame and support members from below, and (b) is a view from the rear. [Figure 10] This is a top view of the front part of the support member and the pan frame. [Figure 11] This is a cross-sectional view of XX in Figure 10. [Figure 12] This is a view from below of the area where the support member contacts the frame. [Figure 13] This diagram shows the blower, bracket, and support member. [Figure 14] This is a view of the blower, bracket, and support member from the left and right directions. [Figure 15] Figure (a) shows a top view of the support member related to the modified example, and Figure (b) is a YY cross-sectional view of Figure (a). [Modes for carrying out the invention]

[0034] Hereinafter, an embodiment of the invention will be described with reference to the attached drawings. In this specification, front, back, left, right, and up and down are based on the perspective of a person sitting in the seat (seated person). As shown in Figure 1, the vehicle seat of this embodiment is configured as a vehicle seat S used in the driver's seat or passenger seat of an automobile, and mainly comprises a seat cushion S1 and a seat back S2.

[0035] Inside the seat cushion S1 is a cushion frame F1, which is an example of a frame member as shown in Figure 2, that constitutes the frame of the seat cushion S1. The seat cushion S1 is constructed by covering the cushion frame F1 with a pad material made of urethane foam or the like, and a surface material made of fabric or leather or the like. Although not shown in the illustration, the seat back S2 is constructed by covering the back frame, which constitutes the frame of the seat back S2, with a pad material and a surface material.

[0036] The cushion frame F1 includes left and right side frames 11 as a pair of opposing frames, a front frame 12 as a first connecting frame, a rear frame 13 as a second connecting frame, and a pan frame 14 as a regulating frame. In this embodiment, the left-right direction corresponds to the "opposing direction of the pair of opposing frames," and the front-rear direction corresponds to the "orthogonal direction perpendicular to the opposing direction (left-right direction) of the pair of opposing frames." Also in this embodiment, the upper side corresponds to the "seater side," and the lower side corresponds to the "opposite side from the seater side."

[0037] The left and right side frames 11 are elongated frames that are long in the front-to-back direction and are positioned opposite each other and spaced apart in the left-to-right direction. Each side frame 11 is made of sheet metal and has a cross-sectional shape in which its peripheral edges extend inward in the left-to-right direction. The front frame 12 and rear frame 13 are positioned spaced apart in the front-rear direction and constitute a pair of connecting frames that link the left and right side frames 11. More specifically, the front frame 12 and rear frame 13 are made of metal pipe material, with the front frame 12 connecting the front ends of the left and right side frames 11. The rear frame 13 is positioned behind the front frame 12, spaced apart from the front frame 12, and connects the rear ends of the left and right side frames 11. The pan frame 14 is a connecting frame that connects the left and right side frames 11, and is made of sheet metal. The pan frame 14 is positioned to connect the front ends of the left and right side frames 11.

[0038] Inside the frame-shaped cushion frame F1, in other words, between the left and right side frames 11, a plate-shaped support member 20 is positioned. The support member 20 is a member that receives the load from the occupant via a pad material (not shown) of the seat cushion S1, and is composed of a support wire 100, a reinforcing wire 200, and a plate-shaped resin member 300. As will be described in detail later, the support wire 100 and the reinforcing wire 200 are wires positioned between the left and right side frames 11. The support wire 100 and the reinforcing wire 200 are made of metal wire. The resin member 300 is made of resin and is integrally formed with the support wire 100 and the reinforcing wire 200 by insert molding or the like, covering them.

[0039] As shown in Figure 3(a), the erection wires 100 are erected on the front frame 12 and the rear frame 13. In this embodiment, multiple erection wires 100 are arranged side by side in the left-right direction. Specifically, the erection wires 100 include left and right first vertical wires 110 as left and right first erection wires, and two second vertical wires 120 as second erection wires.

[0040] The left and right first longitudinal wires 110 are spaced apart in the left-right direction and each has an extension portion, such as a front extension portion 111 and a rear extension portion 112, a bent portion 113, a front inclined portion 114, a front hook-shaped portion 115, a rear inclined portion 116, and a rear hook-shaped portion 117. The front extension 111 and the rear extension 112 extend in a substantially front-to-back direction. In this embodiment, the front extension 111 corresponds to the "first extension," and the rear extension 112 corresponds to the "second extension." The front inclined portion 114 extends diagonally upward and forward from the front end of the front extension portion 111, and the rear inclined portion 116 extends diagonally backward and upward from the rear end of the rear extension portion 112. The front hook-shaped portion 115 is the part that is hooked onto the front frame 12, and extends from the front end of the front inclined portion 114 and is formed in a substantially arc shape that is convex upwards. The rear hook-shaped portion 117 is the part that is hooked onto the rear frame 13, and extends from the upper end of the rear inclined portion 116 and is formed in a substantially arc shape.

[0041] The bent portion 113 is formed by bending between the front extension portion 111 and the rear extension portion 112 in the front-rear direction, so as to protrude in a roughly U-shape outward in the left-right direction relative to the front and rear extension portions 111 and 112. Furthermore, as shown in Figure 6, the bent portion 113 is located above the plane PL through which the respective extension portions 111 and 112 of the left and right first longitudinal wires 110 pass. That is, the bent portion 113 is formed to protrude diagonally upward in the left-right direction outward relative to the front and rear extension portions 111 and 112. As shown in Figure 3(a), the aforementioned front extension portion 111 extends roughly forward from the front end, which is one of the left-right inner ends of the bent portion 113, and the rear extension portion 112 extends roughly backward from the rear end, which is the other of the left-right inner ends of the bent portion 113.

[0042] The second vertical wire 120 is arranged side by side in the left-right direction between the left and right first vertical wires 110, and each has an extended portion 121, a front inclined portion 124, a front hook-shaped portion 125, a rear inclined portion 126, and a rear hook-shaped portion 127. The extended portion 121 extends in a substantially front-to-back direction and is arranged substantially parallel to the front-to-back extended portions 111 and 112 of the left and right first longitudinal wires 110. The front inclined portion 124 and the front hook-shaped portion 125 are formed in substantially the same shape as the front inclined portion 114 and the front hook-shaped portion 115 of the first vertical wire 110, and the rear inclined portion 126 and the rear hook-shaped portion 127 are formed in substantially the same shape as the rear inclined portion 116 and the rear hook-shaped portion 117 of the first vertical wire 110. In this embodiment, the front hook-shaped portions 115 and 125 of the vertical wires 110 and 120 correspond to the "hook-shaped portions formed on the erection wire material".

[0043] The reinforcing wires 200 are arranged so as to intersect with the erection wires 100 (first vertical wire 110 and second vertical wire 120) when viewed from above. In this embodiment, multiple reinforcing wires 200 are provided so as to be aligned in the front-to-back direction. Specifically, the reinforcing wires 200 include a first transverse wire 210 and a second transverse wire 220 positioned in front of the first transverse wire 210. The first transverse wire 210 consists of a single wire and has a first wire section 211 and left and right first support sections 212 as first reinforcing wires, and two left and right second wire sections 213 as second reinforcing wires. The first wire section 211 and the second wire sections 213 are arranged to intersect with the extended section 121 of the second longitudinal wire 120.

[0044] The first wire section 211 extends in the left-right direction. As shown in Figure 5, a portion of the first wire section 211 is positioned behind the ischial tuberosity position SP so as to avoid the seated person's ischial tuberosity position SP. Specifically, the first wire section 211 has left and right ends 211A, intermediate sections 211B that bend from the left-right inner ends of each end 211A and extend diagonally backward in the left-right direction, and a central section 211C that extends along the left-right direction to connect the rear ends of the left and right intermediate sections 211B, with the central section 211C positioned behind the ischial tuberosity position SP. On the other hand, the left and right ends 211A are positioned in front of the ischial tuberosity position SP. The left and right ends 211A may be positioned at the same front-rear position as the ischial tuberosity position SP. In this specification, the ischial tuberosity position SP is the position corresponding to the lowest protruding part of the seated person's ischial tuberosity.

[0045] The first support portion 212 extends substantially in the front-to-back direction, bending backward from both left and right ends of the first wire portion 211 (the left and right outer ends of each end portion 211A). Each first support portion 212 extends substantially in the front-to-back direction from the front extension portion 111 to the rear extension portion 112 of the corresponding first longitudinal wire 110, and is positioned below the front extension portion 111 and the rear extension portion 112. As a result, the first support portion 212 supports the front extension portion 111 and the rear extension portion 112 of the first longitudinal wire 110 from below via the resin member 300, and further supports the bent portion 113 from below via the front extension portion 111 and the rear extension portion 112. As shown in Figure 3(a), the first transverse wire 210 has a first support portion 212, which intersects with the first longitudinal wire 110, positioned below the front and rear extensions 111 and 112 of the first longitudinal wire 110, while the portion that intersects with the second longitudinal wire 120 is positioned above the second longitudinal wire 120. Specifically, the central portion 211C of the first wire portion 211 and the left-right inner ends of the second wire portion 213 of the first transverse wire 210 are positioned above the extension portion 121 of the second longitudinal wire 120.

[0046] The second wire section 213 bends inward in the left-right direction from the rear end of each first support section 212 and extends inward in the left-right direction, and is positioned behind the first wire section 211 and alongside the first wire section 211. More specifically, as shown in Figure 5, the second wire section 213 is positioned further behind the central section 211C, which is the part of the first wire section 211 that is positioned after the ischial tuberosity position SP.

[0047] As shown in Figure 3(a), the second transverse wire 220 has a central portion 221, a first intermediate portion 222, a second intermediate portion 223, and an end portion 224. The central section 221 extends in the left-right direction and is positioned above the front inclined sections 124 of the left and right second vertical wires 120 so as to intersect with them. The first intermediate section 222 bends from the left and right ends of the central section 221 and extends toward the rear end, which is one end of the front inclined section 124. The second intermediate section 223 bends from the rear end of the first intermediate section 222 and extends outward in the left-right direction. The second intermediate section 223 is positioned above the front extension 111 of the first longitudinal wire 110 such that its outward end intersects with the front extension 111 of the first longitudinal wire 110. The end portion 224 bends from the left-right outer end of the second intermediate portion 223 and extends toward the rear end, which is one end of the front extension portion 111.

[0048] As shown in Figure 3(b), the first intermediate portion 222 of the second transverse wire 220 is non-parallel to the front inclined portion 124 of the second vertical wire 120 when viewed from above. Furthermore, as shown in Figure 3(c), the first intermediate portion 222 intersects with the front inclined portion 124 when viewed from the left-right direction. Here, the front inclined portion 124 of the second vertical wire 120 corresponds to the "first part," the central portion 221 of the second transverse wire 220 corresponds to the "second part," and the first intermediate portion 222 corresponds to the "third part." Furthermore, as shown in Figure 3(d), the end 224 of the second transverse wire 220 intersects with the front extension 111 of the first longitudinal wire 110 when viewed from the left-right direction, and is non-parallel to the front extension 111. Here, the front extension 111 of the first longitudinal wire 110 corresponds to the "first part," the second intermediate part 223 of the second transverse wire 220 corresponds to the "second part," and the end 224 corresponds to the "third part."

[0049] As shown in Figure 3(a), the resin member 300 covers the erection wire 100 and the reinforcing wire 200, and also connects the erection wire 100 and the reinforcing wire 200. Specifically, the erection wire 100 and the reinforcing wire 200 are arranged with a predetermined distance between them so that their intersecting parts do not come into contact with each other, and the resin member 300 covers and connects the entire erection wire 100 and the reinforcing wire 200 in this state. For this reason, the resin member 300, or more specifically the resin that makes up the resin member 300, is interposed in the gap between the part of the erection wire 100 that intersects with the reinforcing wire 200 and the part of the reinforcing wire 200 that intersects with the erection wire 100.

[0050] As shown in Figure 4, the resin member 300 is composed of a base portion 310, a wire covering portion 320, a mounting portion 330, a second support portion 340, a front hooking portion 350 and a rear hooking portion 360, and a pair of left and right frame contact portions 370.

[0051] The wire covering portion 320 is a part that covers the erection wire 100 or reinforcing wire 200, and in this embodiment, it is formed in a bead shape that protrudes upward relative to the base portion 310 and the mounting portion 330. The wire covering portion 320 includes a first vertical wire covering portion 321 that covers the first vertical wire 110, a second vertical wire covering portion 322 that covers the second vertical wire 120, a first horizontal wire covering portion 323 that covers the first horizontal wire 210, and a second horizontal wire covering portion 324 that covers the second horizontal wire 220. In this embodiment, the first vertical wire covering portion 321 and the second vertical wire covering portion 322 correspond to the "erection wire covering portion," and the first horizontal wire covering portion 323 and the second horizontal wire covering portion 324 correspond to the "reinforcing wire covering portion." In the portion where the erection wire 100 and the reinforcing wire 200 intersect, the wire covering portion 320 is connected with resin interposed between the erection wire 100 and the reinforcing wire 200.

[0052] The base portion 310 is the part between the left and right first vertical wire covering portions 321, and is provided to connect adjacent first vertical wire covering portions 321 and second vertical wire covering portions 322, or adjacent second vertical wire covering portions 322 to each other. The base portion 310 has a horizontal portion 311 and an inclined portion 312 formed on the front side of the support member 20.

[0053] As shown in an enlarged view in Figure 8, the horizontal portion 311 extends approximately in the front-rear direction along the extended portion 121 of the second vertical wire 120. Multiple ribs 313 are formed on the upper surface of the horizontal portion 311, convex upward on the same side as the wire covering portion 320. Each rib 313 is connected to the wire covering portion 320 and is formed integrally with the wire covering portion 320. In other words, each rib 313 is formed to extend from the wire covering portion 320. With this configuration, the rigidity of the resin member 300 can be improved, and therefore the rigidity of the support member 20 can be improved.

[0054] In this embodiment, the rib 313 includes a first rib 313A, a second rib 313B, and a third rib 313C. The first rib 313A is positioned between the front and rear first transverse wire covering portions 323 and extends approximately in the front-rear direction. One end of the first rib 313A, the rear end, is connected to the rear first transverse wire covering portion 323 (the portion covering the second wire portion 213) of the wire covering portion 320. The upper surface of the first rib 313A is formed to be inclined diagonally downward and forward, such that the amount of protrusion from the upper surface of the horizontal portion 311, in other words, the height, gradually decreases toward the other end, the front end. With this configuration, the feeling of step caused by the presence of the first rib 313A can be reduced, thereby improving the seating feeling when a person sits on the seat.

[0055] The second rib 313B and the third rib 313C are positioned between the first transverse wire covering portion 323 and the second transverse wire covering portion 324, and extend inclined in the left-right direction. The front end of the second rib 313B is connected to the second longitudinal wire covering portion 322, and the rear end is connected to the front first transverse wire covering portion 323 (the portion covering the first wire portion 211). With this configuration, the rigidity of the resin member 300 can be further improved, and therefore the rigidity of the support member 20 can be further improved. The third rib 313C extends parallel or perpendicular to the second rib 313B. In this embodiment, a grid-like rib is formed between the first transverse wire covering portion 323 and the second transverse wire covering portion 324 by the second rib 313B and the third rib 313C. With this configuration, the rigidity of the resin member 300 can be further improved, and therefore the rigidity of the support member 20 can be further improved.

[0056] The inclined portion 312 extends diagonally upward and forward from the front end of the horizontal portion 311, following the front inclined portions 114 and 124 of the vertical wires 110 and 120 (see also Figure 14). As shown in Figure 7, a seating sensor 30 is positioned on the upper surface of the inclined portion 312. The seating sensor 30 is a known sensor for detecting seating on a vehicle seat S. In this embodiment, the seating sensor 30 is positioned between adjacent erection wires 100, specifically, between the second vertical wires 120. More specifically, the seating sensor 30 is positioned near the center of the upper surface of the inclined portion 312, between the covering portions 322 of the second vertical wires. With this configuration, the seating sensor 30 is positioned between the highly rigid portions of the resin member 300 that are reinforced by adjacent second vertical wires 120, thereby improving the mounting rigidity of the seating sensor 30. A roughly rectangular first through-hole 314, which penetrates vertically, is formed near the center of the inclined portion 312. As shown in Figure 9, the harness 31 extending from the seating sensor 30 is pulled out through the first through hole 314 to the underside of the support member 20, laid out toward the front, and connected to a connector 32 attached to the pan frame 14.

[0057] As shown in Figure 8, the resin member 300 has a second longitudinal wire covering portion 322A that covers the front inclined portion 124, a second transverse wire covering portion 324A that covers the first intermediate portion 222, and a base portion 310 that has a connecting portion 310A that connects the first covering portion 322A and the second covering portion 324A. As mentioned above, the first intermediate portion 222 is not parallel to the front inclined portion 124, so compared to the case where the first intermediate portion 222 is parallel to the front inclined portion 124, the first covering portion 322A and the second covering portion 324A connected by the connecting portion 310A are in a twisted positional relationship with respect to the other, making it difficult for one to rotate around the other as an axis. In other words, the resin member 300 is less prone to deformation near the connecting portion 310A. With this configuration, the rigidity of the resin member 300 can be improved, and therefore the rigidity of the support member 20 can be improved.

[0058] The mounting portion 330 is a plate-shaped portion that constitutes the front portion of both the left and right ends of the resin member 300, and is provided so as to extend outward in the left and right direction from the front ends of the left and right first vertical wire covering portions 321. The mounting portion 330 extends front and back along the front inclined portions 114 and 124 of the vertical wires 110 and 120. Multiple mounting holes 331 that penetrate vertically are formed in the mounting portion 330, or in other words, in a position that avoids the wire covering portion 320 of the resin member 300. The mounting holes 331 are holes for attaching other members to the support member 20. Other members that can be attached to the support member 20 include, for example, harnesses 81 to 83 that are connected to electrical components such as motors and planar heaters (not shown) provided in the vehicle seat S, as shown in Figure 9. Specifically, the harnesses 81-83 are held by a known harness clip 84 and attached to the support member 20 by engaging the claws (not shown) of the harness clip 84 with the mounting holes 331. By forming the mounting holes 331 in a position that avoids the wire covering portion 320, it is possible to easily form mounting holes 331 for attaching other members to the resin member 300. Furthermore, compared to a case where, for example, claw-shaped portions that engage with other members are formed on the resin member 300 as parts for attaching other members, the structure of the support member 20 can be kept from becoming complex. The harnesses 81-83 are connected to a connector 85 attached to the pan frame 14. The holes for attaching other members may be provided in a position that avoids the wire covering portion 320, for example, on the base portion 310.

[0059] As shown in Figure 4, the second support portion 340 (support portion) is a roughly plate-shaped portion that constitutes the rear portion of the left and right ends of the resin member 300, and is formed to extend diagonally upward outward in the left and right directions from the base portion 310 (more specifically, the rear ends of the horizontal portion 311 and the inclined portion 312). The second support portion 340 covers the rear end of the front extension portion 111, the rear extension portion 112 and the bent portion 113 of the first longitudinal wire 110, the left and right ends of the first transverse wire 210, and the end 224 of the second transverse wire 220. As shown in Figure 9, ribs 341 and 342 that protrude downward are formed on the lower surface of the second support portion 340. The ribs 341 extend roughly in the front-to-back direction and are arranged in multiples side by side in the left-to-right direction. Similarly, the ribs 342 extend roughly in the left-to-right direction and are arranged in multiples side by side in the front-to-back direction. As shown in Figure 6, the ribs 342 extending to the left and right have a roughly triangular shape when viewed from the front-to-back direction, and extend from a position outside the left-to-right outer end of the bent portion 113 to a position inside the left-to-right inner end of the bent portion 113.

[0060] As shown in Figure 8, in this embodiment, the second support portion 340 has a first covering portion 340A that covers the rear end of the front extension portion 111 of the first longitudinal wire 110, a second covering portion 340B that covers the end portion 224 of the second transverse wire 220, and a connecting portion 340C that connects the first covering portion 340A and the second covering portion 340B. As mentioned above, since the end portion 224 is not parallel to the front extension portion 111, compared to the case where the end portion 224 is parallel to the front extension portion 111, the first covering portion 340A and the second covering portion 340B are less likely to rotate relative to the other, and the second support portion 340 is less likely to deform near the connecting portion 340C. As a result, the rigidity of the resin member 300 can be improved, and therefore the rigidity of the support member 20 can be improved.

[0061] The front fastening portion 350 is the part that is fastened to the front frame 12 and is formed in a roughly semi-cylindrical shape that is long in the left-right direction. The front fastening portion 350 is constructed by covering the front hook-shaped portions 115 and 125 of the vertical wires 110 and 120 with a resin member 300, specifically the resin that makes up the resin member 300.

[0062] As shown in Figure 4, the rear fastening portion 360 is the part that is fastened to the rear frame 13. The rear fastening portion 360 includes left and right first rear fastening portions 361 and a second rear fastening portion 362 positioned between the left and right first rear fastening portions 361. The left and right first rear fastening portions 361 are each constructed by covering the rear hook-shaped portion 117 of the corresponding first vertical wire 110 with resin. The second rear fastening portion 362 is constructed by covering the rear hook-shaped portions 127 of two second vertical wires 120 with resin. As shown in Figures 9(a) and (b), the harnesses 81 and 82 are positioned on the rear frame 13 so as to pass between the left first rear fastening portion 361 and the second rear fastening portion 362. The portion between the first rear latch 361 and the second rear latch 362 has a recessed area that is concave relative to the upper parts of the first rear latch 361 and the second rear latch 362. By placing the harnesses 81 and 82 in this area, the feeling of height difference caused by the placement of the harnesses 81 and 82 can be reduced.

[0063] As shown in Figure 4, the frame contact portion 370 is a portion that can contact the position regulating surface 14A (see Figure 10), which will be described later, of the pan frame 14 from the inside in the left-right direction, and is provided on both the left and right sides of the front latch portion 350. More specifically, the frame contact portion 370 is provided so as to protrude upward from both the left and right sides of the front latch portion 350. The frame contact portion 370 has a contact surface 371 on the left-right outer side of its front end that can contact the position regulating surface 14A of the pan frame 14.

[0064] As shown in Figure 10, the pan frame 14 has a pair of position-regulating surfaces 14A facing inward in the left-right direction. More specifically, the pan frame 14 has a roughly U-shaped recess 14B at the center of the rear end in the left-right direction, which is concave toward the front, and the left and right surfaces of this recess 14B are the position-regulating surfaces 14A. The resin member 300 (support member 20) is positioned so that its front end fits into the recess 14B of the pan frame 14, and the frame contact portion 370 is positioned adjacent to the left and right corresponding position-regulating surfaces 14A on the inside in the left-right direction. More specifically, the contact surface 371 of the frame contact portion 370 is positioned adjacent to the left and right inner surface of the corresponding position-regulating surface 14A and faces the position-regulating surface 14A. The contact surface 371 and the position-regulating surfaces 14A are formed as inclined surfaces that are located outward in the left-right direction as you move toward the rear side, i.e., toward the rear side, in the front-rear direction where the pan frame 14 and the support member 20 are aligned. As shown in Figure 11, the frame contact portion 370 is provided so as to protrude above the position regulating surface 14A formed on the rear edge of the pan frame 14 from both the left and right sides of the front latch portion 350.

[0065] As shown in Figures 9 and 11, the pan frame 14, made of sheet metal, has plate-like portions 14C located on the left-right outer side of the recess 14B and on the left-right outer side of the frame contact portion 370. Harnesses 82 and 83 are positioned below the left plate-like portion 14C. In this embodiment, harnesses 82 and 83 correspond to "electric wires". With this configuration, since the harnesses 82 and 83 are positioned below the highly rigid cushion frame F1, it is possible to suppress the force applied to the harnesses 82 and 83, which are flexible members placed inside the vehicle seat S. The harnesses 82 and 83 are held by harness clips 86 and attached to the pan frame 14 by engaging the harness clips 86 with mounting holes 14H formed in the plate-like portion 14C.

[0066] As shown from below in Figure 12, the resin member 300 has an outer wall 381 and a rib 382 at its front end. The outer wall 381 forms the outer wall in the left-right direction of the front end of the resin member 300, including the outer wall in the left-right direction of the frame contact portion 370. The rib 382 is convex on its lower side and extends inward in the left-right direction from the outer wall 381 which extends roughly front to back, connecting to the upper part of the front latch portion 350. Two ribs 382 are provided side by side in the front-to-back direction at two locations: near the rear end of the inclined contact surface 371 of the frame contact portion 370 in the front-to-back direction, and at a position further back than that. When the front latch portion 350 is latched to the front frame 12, the rib 382 is positioned above the front frame 12.

[0067] As shown in Figure 13, a blower 40 is positioned below the support member 20. Although not shown in the figure, the pad material of the seat cushion S1 has a plurality of ventilation holes formed on its upper surface and ventilation passages communicating with the ventilation holes, and the outlet 40B of the blower 40 is connected to the ventilation passages via a duct 50 (see Figure 14). With this configuration, the vehicle seat S is configured to blow air from the upper surface of the seat cushion S1 when the blower 40 is operating.

[0068] The blower 40 is, for example, a sirocco fan and comprises a housing 41, an impeller 42, and a motor (not shown) for rotating the impeller 42. The housing 41 includes a housing body 44 that houses the impeller 42 and motor, a cylindrical discharge section 45 extending rearward from the left end of the housing body 44, and a plate-shaped fixing section 46 extending outward from the housing body 44. An intake port (not shown) for drawing in air is formed on the upper surface of the housing body 44, and an outlet port 40B for blowing out air is formed at the rear end of the discharge section 45. The fixing section 46 includes a first fixing section 46A, a second fixing section 46B, and a third fixing section 46C. The first fixing section 46A is formed to extend diagonally forward to the right from the housing body 44, and the second fixing section 46B is formed to extend diagonally forward to the left from the housing body 44. The third fixing section 46C is formed to extend approximately rearward from the housing body 44. Through holes 46H are formed in each fixing section 46.

[0069] The blower 40 is attached to the support member 20. More specifically, the front part of the blower 40 is attached to the support member 20 via a bracket 60, and the rear part is directly attached to the support member 20. Bracket 60 is attached to the lower side of support member 20 and has a plate-shaped bracket body 61, bosses 62A and 62B, and through holes 63A and 63B. Bracket body 61 is roughly U-shaped and has an opening 61A that opens upward, downward, and backward at a position opposite the intake port of blower 40. Bosses 62A and 62B are cylindrical and protrude downward from the lower surface of bracket body 61. Boss 62A is provided on the right side of the front end of bracket body 61, and boss 62B is provided on the left side of the front end of bracket body 61. Through holes 63A and 63B are holes that go through vertically. Through holes 63A and 63B are located on either side of the opening 61A, with through hole 63A on the right side of the rear end of bracket body 61 and through hole 63B on the left side of the rear end of bracket body 61.

[0070] As shown in Figure 9, the resin member 300 constituting the support member 20 has left and right blower mounting sections 390R and 390L to which the blower 40 is attached. In this embodiment, the mounting position of the blower 40 differs depending on the specifications of the vehicle seat S. Specifically, depending on the specifications of the vehicle seat S, the blower 40 is attached to either the right blower mounting section 390R or the left blower mounting section 390L. For example, if the vehicle seat S is used in the right seat, the blower 40 is attached to the right blower mounting section 390R, and if the vehicle seat S is used in the left seat, the blower 40 is attached to the left blower mounting section 390L. Since the configurations of the left and right blower mounting sections 390R and 390L are substantially the same, the configuration of the right blower mounting section 390R will be described in detail below.

[0071] As shown in Figure 13, the blower mounting section 390R has a plurality of cylindrical bosses 391 that protrude downward from the lower surface of the resin member 300. The bosses 391 include a first boss 391A, a second boss 391B, and a third boss 391C. The first boss 391A, the second boss 391B, and the third boss 391C are arranged to form the vertices of a triangle when viewed from below. Specifically, the first boss 391A and the second boss 391B are arranged side by side, spaced apart in the left-right direction, and the third boss 391C is located behind the first boss 391A and the second boss 391B, and is positioned between the first boss 391A and the second boss 391B in the left-right direction. Furthermore, the first boss 391A is positioned at the front end of the right mounting portion 330, and the second boss 391B and the third boss 391C are positioned at the front end of the inclined portion 312, between the right first vertical wire 110 and the right second vertical wire 120. More specifically, the first boss 391A is positioned to the right of the right first vertical wire 110, and the second boss 391B and the third boss 391C are positioned to the left of the right first vertical wire 110. In other words, the bosses 391 are positioned on both sides of the right first vertical wire 110 in the left-right direction.

[0072] As shown in Figure 9, for the left blower mounting section 390L, the first boss 391A is positioned between the left and right second vertical wires 120 at the front end of the inclined section 312, and the second boss 391B and third boss 391C are positioned between the left second vertical wire 120 and the left first vertical wire 110 at the front end of the inclined section 312. To elaborate further, for the left blower mounting section 390L, the first boss 391A is positioned to the right of the left second vertical wire 120, and the second boss 391B and third boss 391C are positioned to the left of the left second vertical wire 120. In other words, for the left blower mounting section 390L as well, bosses 391A to 391C are positioned on both sides of the left second vertical wire 120 in the left-right direction.

[0073] Here, we will describe an example of attaching the blower 40 to the support member 20. As shown in Figure 13, when attaching the blower 40 to the support member 20, first the bracket 60 is attached to the lower side of the support member 20. Specifically, screw 91 is inserted through the through hole 63A of the bracket 60 and screwed into the first boss 391A, and screw 92 is inserted through the through hole 63B of the bracket 60 and screwed into the second boss 391B. After that, the blower 40 is attached to the lower side of the bracket 60 and the support member 20. Specifically, screw 93 is inserted through the through hole 46H of the first fixing part 46A formed in the blower 40 and screwed into the boss 62A of the bracket 60, and screw 94 is inserted through the through hole 46H of the second fixing part 46B and screwed into the boss 62B of the bracket 60, thereby attaching the front part of the blower 40 to the bracket 60. Furthermore, the rear portion of the blower 40 is directly attached to the support member 20 by inserting the screw 95 through the through hole 46H of the third fixing portion 46C formed in the blower 40 and screwing it into the third boss 391C of the resin member 300.

[0074] In this embodiment, since a portion of the blower 40 is attached to the support member 20 via a bracket 60, the degree of freedom in mounting the blower 40 can be improved compared to the case where the entire blower 40 is directly attached to the support member 20. Furthermore, since the degree of freedom in arranging the blower 40 within the vehicle seat S can be improved, the space within the vehicle seat S can be used effectively.

[0075] In particular, in this embodiment, the blower 40 is attached to the support member 20 via the bracket 60 by having its front portion attached to the bracket 60, and its rear portion is directly attached to the support member 20. This allows the blower 40 to be mounted below the front latch portion 350, where it is difficult to provide mounting bosses. This further improves the mounting flexibility of the blower 40. Furthermore, it improves the flexibility of the placement of the blower 40 within the vehicle seat S, allowing for more effective use of the space within the vehicle seat S.

[0076] Furthermore, since the blower 40 is attached to the resin member 300, compared to the case where the blower 40 is attached to a metal overhead wire 100 or the like, it is possible to reduce the vibration of the support member 20 associated with the operation of the blower 40 and to reduce the noise generated by the vibration when the blower 40 is operating.

[0077] Furthermore, since the blower 40 is attached to a protruding boss 391 provided on the resin member 300, the degree of freedom in mounting the blower 40 can be further improved compared to, for example, the case where the blower 40 is attached to a flat surface of the resin member 300.

[0078] Furthermore, since the bosses 391 are positioned on both sides of the overhead wire 100, the blower 40 is attached to the resin member 300, sandwiching the highly rigid portion of the resin member 300 that is reinforced by the overhead wire 100. This improves the mounting rigidity of the blower 40.

[0079] As shown in Figure 14, the blower 40 attached to the support member 20 is positioned below the inclined portion 312 of the resin member 300 that constitutes the support member 20. With this configuration, the blower 40 can be compactly positioned below the support member 20, making the vehicle seat S in which the blower 40 is built more compact. In addition, the blower 40 is positioned below the front frame 12, the front portion of which is made of metal.

[0080] As shown in Figure 9, a second through-hole 315 is formed in the inclined portion 312 of the resin member 300, located behind the second boss 391B, and extending vertically through it. The second through-hole 315 is provided on both the left and right sides of the inclined portion 312, corresponding to the left and right blower mounting portions 390R and 390L. As shown in Figure 14, the second through-hole 315 is a through-hole through which a duct 50 connected to the blower outlet 45 of the blower 40 passes. With this configuration, the cushion frame F1 (seat cushion S1) can be made more compact compared to the case where the duct is arranged to bypass the support member 20, and thus the vehicle seat S can be made more compact.

[0081] Furthermore, as shown in Figure 5, the portion of the resin member 300 (inclined portion 312) between the front latch portion 350 and the second through hole 315, when viewed from above, forms a sound-insulating wall 316 that covers the housing body 44 of the blower 40, and more specifically, the impeller 42 housed in the housing body 44. With this configuration, the sound generated by the rotation of the impeller 42 can be blocked by the sound-insulating wall 316 of the resin member 300, thereby reducing the operating noise of the blower 40 transmitted to the seated person. The sound-insulating wall 316 may also be provided so as to cover the entire blower 40, including the air outlet portion 45, when viewed from above.

[0082] As described above, according to this embodiment, as shown in Figure 2, the support member 20 that receives the load from the seated person can be made of a temporary wire 100, a reinforcing wire 200, and a plate-shaped resin member 300 that covers the temporary wire 100 and the reinforcing wire 200. As a result, the load from the seated person can be received over a surface. In addition, compared to the case where the support member is made of a metal plate, the support member 20 can be given appropriate flexibility. Furthermore, since the plate-shaped resin member 300 can be reinforced with the temporary wire 100 and the reinforcing wire 200 made of metal wire, the support member 20 can be given appropriate rigidity. As a result, the seating feeling of the vehicle seat S can be improved. Also, since the resin member 300 covers the temporary wire 100 and the reinforcing wire 200 with a gap so that they do not come into contact with each other, the generation of noise due to contact between the wires can be prevented.

[0083] Furthermore, according to this embodiment, as shown in Figures 3 and 4, the left and right first vertical wires 110 each have substantially U-shaped bent portions 113 that are bent so as to protrude diagonally upward and outward in the left-right direction relative to the front and rear extensions 111 and 112. Therefore, the seated person can be supported by the left and right bent portions 113 via the second support portion 340 of the resin member 300, sandwiching the seated person from both sides. This improves the holding ability of the vehicle seat S. On the other hand, since the bent portions 113 are provided by bending a part of the left and right first vertical wires 110, the number of parts in the vehicle seat S can be reduced compared to the case where a member having a part that supports the seated person by sandwiching them from both sides is provided separately from the first vertical wires 110.

[0084] Furthermore, in this embodiment, since the first support portion 212 of the first transverse wire 210 supports the bent portion 113 from below via the extension portions 111 and 112, even if the first vertical wire 110 having the bent portion 113 bends downward when a person sits down, the first support portion 212 can support the bent portion 113. As a result, it is possible to suppress the bending portion 113 from moving too far downward, or in other words, from sinking too low. This makes it possible to maintain good holding performance when seated by the left and right bent portions 113.

[0085] Furthermore, in this embodiment, the first support portion 212 can support both the front and rear sides of the bent portion 113, specifically both the front extension portion 111 and the rear extension portion 112. This effectively prevents the bent portion 113 from sagging too much when the first longitudinal wire 110 bends. As a result, the holding performance when seated by the left and right bent portions 113 can be maintained more effectively.

[0086] Furthermore, in this embodiment, the portion of the first transverse wire 210 that intersects with the second vertical wire 120 is positioned above the second vertical wire 120, so that the first transverse wire 210 having the first support portion 212 can be supported by the second vertical wire 120. As a result, when the first vertical wire 110 bends, the first transverse wire 210 itself is prevented from sagging, and the first support portion 212 can more effectively prevent the bent portion 113 from sagging too much. Consequently, the holding ability when seated by the left and right bent portions 113 can be maintained even better.

[0087] Furthermore, in this embodiment, since the resin member 300 has a plate-shaped second support portion 340 that covers the bent portion 113, the seated person can be supported over a surface area by the second support portion 340. This improves the seating feeling.

[0088] Furthermore, in this embodiment, as shown in Figure 6, the rib 342 provided on the back side of the second support portion 340 extends further inward in the left-right direction than the bent portion 113. Therefore, the rib 342 can support and suppress the tendency of the bent portion 113 to rotate downward around its inner end in the left-right direction. This prevents the left and right bent portions 113 from deforming outward due to the load from the seated person, thus maintaining good holding performance when seated by the left and right bent portions 113.

[0089] Furthermore, in this embodiment, as shown in Figure 5, the first wire portion 211 is arranged to intersect the vertical wires 110 and 120, thereby reinforcing the support member 20 that receives the load from the seated person. In addition, the central portion 211C of the first wire portion 211 is positioned behind the ischial tuberosity position SP so as to avoid the ischial tuberosity position SP, thereby suppressing a decrease in seating comfort caused by the first wire portion 211 coming into contact with the seated person's ischial tuberosity area.

[0090] Furthermore, in this embodiment, since there is a second wire portion 213 in addition to the first wire portion 211, the support member 20 can be reinforced more firmly. Also, since the second wire portion 213 is positioned behind the central portion 211C of the first wire portion 211, it is possible to suppress the deterioration of the seating feeling caused by the second wire portion 213 coming into contact with the area around the seated person's ischial tuberosities.

[0091] Furthermore, according to this embodiment, as shown in Figure 14, the front portion of the blower 40, which is part of the blower attached to the support member 20, is positioned below the front frame 12. This allows the load from a occupant sitting in the vehicle seat S to be received and supported by the highly rigid metal front frame 12. This makes it less likely for the load from the occupant to be applied to the blower 40.

[0092] Furthermore, according to this embodiment, as shown in Figure 10, the pan frame 14 has a pair of left and right position-regulating surfaces 14A, and the support member 20 has a pair of left and right frame contact portions 370. Therefore, when the support member 20 attempts to move significantly in the left-right direction from the state shown in Figure 10, the frame contact portions 370 of the support member 20 contact the position-regulating surfaces 14A of the pan frame 14 from the inside in the left-right direction. This restricts further left-right movement of the support member 20, thereby suppressing the left-right displacement of the support member 20.

[0093] Furthermore, in this embodiment, since the support member 20 tends to move left and right along the front frame 12 to which the front latch portion 350 is latched, by providing frame contact portions 370 on both the left and right sides of the front latch portion 350, the frame contact portions 370 can be brought into good contact with the position regulating surface 14A from the inside in the left-right direction. This effectively suppresses the position of the support member 20 from shifting left and right.

[0094] Furthermore, in this embodiment, since the frame contact portion 370 is provided to protrude above the position regulating surface 14A, even if, for example, there is a dimensional error in the frame contact portion 370, or if the pan frame 14 is provided to be movable up and down by a tilt mechanism or the like, the frame contact portion 370 and the position regulating surface 14A can be brought into good contact. This makes it possible to more effectively suppress the lateral displacement of the support member 20.

[0095] Furthermore, in this embodiment, since the support member 20 has ribs 382 extending inward in the left-right direction from the outer wall 381 which includes the frame contact portion 370, the rigidity of the outer wall 381 can be improved. As a result, the rigidity of the frame contact portion 370 can also be improved, so that the lateral displacement of the support member 20 due to contact between the frame contact portion 370 and the position regulating surface 14A can be effectively suppressed.

[0096] Furthermore, in this embodiment, since the frame contact portion 370 is provided to protrude above the front latch portion 350, the size of the contact surface 371 can be sufficiently secured. As a result, the frame contact portion 370 and the position regulating surface 14A can be brought into good contact, and the lateral displacement of the support member 20 can be suppressed more effectively.

[0097] Furthermore, in this embodiment, since the position regulating surface 14A and the contact surface 371 are inclined surfaces that are located outward in the left-right direction as they move toward the rear, the impact when the position regulating surface 14A and the contact surface 371 come into contact can be reduced compared to the case where the position regulating surface 14A and the contact surface 371 are surfaces perpendicular to each other in the left-right direction. This reduces the impact when suppressing displacement of the support member 20.

[0098] Furthermore, since the frame contact portion 370 is formed from a resin member 300 made of resin, it is possible to suppress the generation of noise when the position regulating surface 14A formed on the metal pan frame 14 comes into contact with the frame contact portion 370. This makes it possible to suppress the generation of noise when suppressing the misalignment of the support member 20.

[0099] Although one embodiment of the invention has been described above, the present invention is not limited to the above embodiment. Specific configurations can be modified as appropriate without departing from the spirit of the invention, as described below. In the following, components similar to those in the above embodiment will be denoted by the same reference numerals and their descriptions will be omitted as appropriate, while differences from the above embodiment will be described in detail. For example, as shown in Figures 15(a) and (b), the modified support member 20 comprises left and right first longitudinal wires 110 and one third longitudinal wire 130 as erection wires, a first transverse wire 210 as a reinforcing wire, and a resin member 300 integrally formed covering the wires 110, 130, and 210.

[0100] The third longitudinal wire 130 is positioned between the left and right first longitudinal wires 110 and is installed on the front frame 12 and the rear frame 13. The third longitudinal wire 130 mainly has a front first parallel section 131, a rear second parallel section 132, and a bent section 133 positioned between the first parallel section 131 and the second parallel section 132. The first parallel section 131 and the second parallel section 132 are positioned parallel to a straight line L that extends in a substantially front-to-back direction. More specifically, the first parallel section 131 and the second parallel section 132 are positioned on the same straight line L when viewed from above and extend in a substantially front-to-back direction. The bent section 133 is bent in a left-to-right direction so as to deviate from the straight line L. More specifically, the bent section 133 is bent such that the front part 133A protrudes in a substantially U-shape to the right of the straight line L, and the rear part 133B protrudes in a substantially U-shape to the left of the straight line L. The bent portion 133 has a roughly S-shape overall, as the rear end of the front portion 133A and the front end of the rear portion 133B are connected and extend straight in the left-right direction.

[0101] The resin member 300 includes a third longitudinal wire covering portion 325 that covers the third longitudinal wire 130 as part of the wire covering portion 320. The third longitudinal wire covering portion 325 is formed in a bead shape that is convex upward relative to the base portion 310 and the mounting portion 330, and has a bent portion covering portion 326 that covers the bent portion 133. The resin member 300 also has a thickened portion 317 that is thicker than the surrounding portion. The thickened portion 317 is formed in a bead shape that is convex upward relative to the surrounding portion, similar to the third longitudinal wire covering portion 325. The thickened portion 317 includes a first thickened portion 317A and a second thickened portion 317B. The first thickened portion 317A is formed in a substantially L-shape, connecting the end of the front opening 326A formed by the bent portion covering portion 326 that is closer to the first parallel portion 131 and the end that is closer to the second parallel portion 132. Furthermore, the second thickened portion 317B is formed in a substantially L-shape, connecting the end of the rear opening 326B formed by the bent portion covering portion 326 that is closer to the first parallel portion 131 and the end that is closer to the second parallel portion 132. With this configuration, the front portion of the bent portion covering portion 326 and the first thickened portion 317A, and the rear portion of the bent portion covering portion 326 and the second thickened portion 317B form a closed thickened portion with a substantially rectangular outline, thereby improving the rigidity of the resin member 300 compared to the case where the thickened portion 317 is not provided. This improves the rigidity of the support member 20.

[0102] Furthermore, in the configuration shown in Figure 15, the seating sensor 30 is positioned inside the region surrounded by the front portion of the bent portion covering 326 and the first thickened portion 317A. With this configuration, the seating sensor 30 is positioned inside the highly rigid portion of the resin member 300 reinforced by the third longitudinal wire 130 and the thickened portion 317, thereby improving the mounting rigidity of the seating sensor 30. In the above description, a bead-shaped thickened portion 317 was used as an example of the thickened portion, but the configuration is not limited to this. In other words, the thickened portion can be any portion that is thicker than the surrounding portion, and its shape is not particularly limited. Also, in Figure 15, a configuration in which the third longitudinal wire 130 as the erection wire has a first parallel portion 131, a second parallel portion 132, and a bent portion 133 is shown as an example, but the configuration is not limited to this. For example, the reinforcing wire may have a first parallel portion, a second parallel portion, and a bent portion, or both the erection wire and the reinforcing wire may have a first parallel portion, a second parallel portion, and a bent portion.

[0103] Furthermore, in the above embodiment, one bent portion 113 was formed on each of the left and right first vertical wires 110, but the invention is not limited to this, and multiple bent portions may be formed on each.

[0104] Furthermore, in the above embodiment, a portion of the first wire portion 211, which serves as the first reinforcing wire, was positioned behind the ischial tuberosity position SP, but the embodiment is not limited to this, and may be positioned in front of the ischial tuberosity position SP. Also, the entire first wire portion 211 may be positioned in front of or behind the ischial tuberosity position SP.

[0105] Furthermore, in the above embodiment, the first transverse wire 210 was configured as a single wire, including a first wire portion 211 and a first support portion 212 as the first reinforcing wire, and two second wire portions 213 as the second reinforcing wire, but it is not limited to this configuration. For example, the wire constituting the first wire portion 211 and the first support portion 212 as the first reinforcing wire, and the two wires constituting the two second wire portions 213 as the second reinforcing wire, may be provided as separate parts. Also, when the wire constituting the first reinforcing wire and the wire constituting the second reinforcing wire are provided as separate parts, the second reinforcing wire may be configured as a single wire instead of two wires. Note that by configuring the first reinforcing wire and the second reinforcing wire as a single wire, as in the above embodiment, the number of wires can be reduced compared to the case where the first reinforcing wire and the second reinforcing wire are made of different wires, thus reducing the number of parts in the vehicle seat S.

[0106] Furthermore, in the above embodiment, the first support portion 212 extended in the front-rear direction across the front and rear extension portions 111, 112, and was positioned below the front and rear extension portions 111, 112, supporting the extension portions 111, 112 from below. However, the configuration is not limited to this. For example, the first support portion may extend in the left-right direction, be positioned to intersect below one of the front extension portion 111 and the rear extension portion 112, and support that one from below. Also, the first reinforcing wire may not have a first support portion.

[0107] Furthermore, in the above embodiment, the second transverse wire 220 as a reinforcing wire had a central portion 221 (second portion) and a first intermediate portion 222 (third portion), and the first intermediate portion 222 was configured to be non-parallel to the front inclined portion 124 (first portion) of the second vertical wire 120 (erecting wire), but the invention is not limited to this. For example, instead of a reinforcing wire, the erecting wire may have a second portion and a third portion, and the third portion of the erecting wire may be configured to be non-parallel to the first portion of the reinforcing wire. In this case, it is desirable that the resin member has a configuration that includes a first covering portion covering the first portion of the reinforcing wire, a second covering portion covering the third portion of the erecting wire, and a connecting portion connecting the first covering portion and the second covering portion, in order to improve the rigidity of the support member.

[0108] Furthermore, in the above embodiment, the erection wire 100 and reinforcing wire 200 were entirely covered by the resin member 300, but the embodiment is not limited to this, and a part of them may be exposed to the outside. For example, the erection wire 100 and reinforcing wire 200 may be connected and covered by the resin member with a gap between them so that the intersecting parts do not come into contact with each other, and other parts such as the bent portion 113 may not be covered by the resin member.

[0109] Furthermore, in the above embodiment, the wire covering portion 320 was convex on the upper side, which is the side of the seated person, but it is not limited to this, and for example, it may be convex on the lower side, which is the opposite side from the seated person. Also, the wire covering portion 320 may be convex on both the upper and lower sides.

[0110] Furthermore, although the above embodiment was described on the premise that the frame contact portion 370 of the support member 20 and the position regulating surface 14A of the pan frame 14 come into direct contact, the invention is not limited to this. For example, referring to Figure 11, rubber or felt may be placed on at least one of the contact surface 371 of the frame contact portion 370 and the position regulating surface 14A so that the frame contact portion 370 and the position regulating surface 14A come into contact via the rubber or felt. This reduces the noise and impact that occur when the contact surface 371 and the position regulating surface 14A come into contact.

[0111] Furthermore, in the above embodiment, the frame contact portion 370 was provided to protrude above the front hooking portion 350, but the invention is not limited to this. For example, the resin member may not have a frame contact portion that protrudes upward, and the left-right outer surface of the front hooking portion may be used as the frame contact portion. Also, in the above embodiment, the position regulating surface 14A and the frame contact portion 370 were provided on the front side of the cushion frame F1 and the support member 20, but the invention is not limited to this. For example, they may be provided on the rear side. In addition, the position regulating surface and the contact surface may be surfaces that are substantially perpendicular to the left-right direction. Furthermore, the frame having the position regulating surface and the frame to which the support member is hooked may be the same member.

[0112] Furthermore, in the above embodiment, the blower 40 was attached to the support member 20 via a bracket 60 at its front and directly attached to the support member 20 at its rear, but is not limited to this. For example, the entire blower may be attached to a bracket and then attached to the support member via the bracket. Alternatively, the entire blower may be directly attached to the support member 20.

[0113] Furthermore, although the blower 40 was positioned below the inclined section 312 in the above embodiment, it is not limited to this. For example, referring to Figure 14, the blower may be positioned below the horizontal section 311. Also, although the front portion of the blower 40 was positioned below the front frame 12 in the above embodiment, it is not limited to this. For example, a rear portion may be positioned below the rear frame 13, which is another example of the first connecting frame.

[0114] Furthermore, although a sirocco fan was exemplified as the blower 40 in the above embodiment, the invention is not limited to this, and may be a propeller fan, turbo fan, or the like. Also, although the vehicle seat S was configured to blow air out by the operation of the blower 40 in the above embodiment, the invention is not limited to this, and may be configured to suck in air by the operation of the blower. In addition, the blower may be capable of switching between blowing and sucking by, for example, switching the rotation direction of the impeller.

[0115] Furthermore, although the cushion frame F1 was exemplified as a frame member in the above embodiment, the invention is not limited to this, and for example, the frame member may be a back frame that constitutes the frame of the seat back S2. That is, the vehicle seat S may be configured such that a plate-shaped support member including a support wire, a reinforcing wire, and a resin member is placed inside a frame-shaped back frame, and the same configuration as the seat cushion S1 in the above embodiment is applied to the seat back S2. In the configuration in which the support member is placed inside the back frame, the front side corresponds to the "seater side," and the rear side corresponds to the "opposite side from the seater side." Also, in the configuration in which the support member is placed inside the back frame, if the side frames of the back frame are used as a pair of opposing frames, the vertical direction corresponds to the "orthogonal direction perpendicular to the opposing direction (left-right direction) of the pair of opposing frames."

[0116] Furthermore, the vehicle seat S may be configured such that the support members are placed inside the back frame, and the upper and lower frames of the frame-shaped back frame can be used as a pair of opposing frames. Also, as in the above embodiment, the support members may be placed inside the cushion frame, and the front and rear frames of the frame-shaped cushion frame can be used as a pair of opposing frames. In such cases, the left and right frames of the back frame or cushion frame can be used as connecting frames. In addition, the vehicle seat S may be configured such that, for example, the overhead wires are mounted on the rear frame 13 and the pan frame 14.

[0117] Furthermore, although the support member 20 in the above embodiment was configured to include a temporary wire 100, a reinforcing wire 200, and a resin member 300, it is not limited to this. For example, the support member may be configured without a reinforcing wire. In addition, the support member may consist only of a temporary wire, a plate-shaped support member consisting only of resin, or a support member made of sheet metal.

[0118] Furthermore, although the above embodiment exemplified a vehicle seat S installed in an automobile as a seat for a vehicle, it is not limited to this, and may also be a seat installed in vehicles other than automobiles, such as railway cars, ships, aircraft, etc.

[0119] Furthermore, the elements described in the above-mentioned embodiments and modifications may be combined in any way. [Explanation of Symbols]

[0120] 11 Side Frames 12 Front Frame 13 Rear Frame 20 Support members 40 Blower 42 Impeller 50 duct 60 bracket 100 Erection wire rod 110 First longitudinal wire 120 Second vertical wire 300 Resin component 312 Slope 315 Second through hole 316 Sound barrier 391 Boss F1 Cushion Frame S Vehicle Seat S1 Seat Cushion

Claims

[Claim 1] A cushion frame comprising a seat cushion frame, having a pair of opposing frames positioned apart and facing each other in the left-right direction, a first connecting frame connecting the front portions of the pair of opposing frames, and a second connecting frame positioned apart from the first connecting frame and connecting the pair of opposing frames, It comprises a plate-shaped support member positioned between the pair of opposing frames and receiving the load from the seated person, The support member comprises a plurality of erection wires installed on the first connecting frame and the second connecting frame, reinforcing wires arranged to intersect the erection wires when viewed from above, and a plate-shaped resin member integrally formed with the plurality of erection wires and the reinforcing wires. The resin member has a sensor placement portion where a sensor is placed, and the sensor placement portion is located between two adjacent overhead wire members. The reinforcing wire has ends that extend in the front-to-back direction at both the left and right ends, The resin member has a first covering portion that covers the erection wire, a second covering portion that covers the end of the reinforcing wire, and a connecting portion that connects the first covering portion and the second covering portion. A vehicle seat characterized in that the end of the reinforcing wire is non-parallel to the erecting wire when viewed from the left-right direction.

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