JP6993586B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat having a good seating feeling.

As a vehicle seat, for example, in Patent Document 1, a frame-shaped cushion frame, two front and rear wires erected on the front panel and the rear pipe of the cushion frame, and two front and rear wires are arranged so as to intersect with each other. It is disclosed that the central wire and the cross-linking wire are provided. In this technique, the wire arranged inside the cushion frame functions as a member that receives a load from the seater via the cushion pad.

Japanese Unexamined Patent Publication No. 2014-162431

By the way, it is desired that the member that receives the load from the seated person (hereinafter referred to as "support member") has a structure that gives a good seating feeling when a person sits on the seat.

Therefore, an object of the present invention is to provide a vehicle seat capable of improving the seating feeling.
Another object of the present invention is to improve the rigidity of the support member.
It also aims to improve the mounting rigidity of the sensor .
Another object of the present invention is to easily form a hole for attaching another member.
Another object of the present invention is to prevent the support member from having a complicated structure.

The vehicle seats for achieving the above-mentioned object are arranged so as to be spaced apart from each other in an orthogonal direction orthogonal to the facing direction of the pair of facing frames arranged so as to face each other. A pair of connecting frames for connecting a pair of facing frames, a pair of hooking portions to be hooked on the pair of connecting frames, a base portion arranged between the pair of hooking portions, and a base portion of the base portion. A plate-shaped member having left and right support portions extending diagonally from the left and right sides to the left and right outside and toward the seated side is provided, and the base portion has a base extending portion and the base extending portion in the orthogonal direction. It has an inclined portion extending obliquely from the end of the base extending portion with respect to the extending portion of the base, and the left and right supporting portions extend from both the left and right sides of the extending portion of the base and the inclined portion.
In the above-mentioned vehicle seat, the seater-side surface of the left and right support portions, the seater-side surface of the base extending portion, and the seater-side surface of the inclined portion are formed continuously with each other. Can be configured as
In the vehicle seat described above, the plate-shaped member may be made of resin.
The vehicle seat described above further includes an erection wire rod erected on the pair of connecting frames, and the erection wire rod has a pair of hook-shaped portions corresponding to the pair of hooking portions, and the plate-shaped member has a pair of hook-shaped portions. It can be covered and integrally formed with the plate-shaped member.
In the vehicle seat described above, the erection wire may be entirely covered with the plate-shaped member.
The vehicle seat described above further includes a reinforcing wire rod arranged so as to intersect the erected wire rod when viewed from the seated side, and the portion where the erected wire rod and the reinforcing wire rod intersect is left and right in the orthogonal direction. It can be configured to be located in the region between one end of the support portion in the orthogonal direction and the other end of the left and right support portions in the orthogonal direction.
In the vehicle seat described above, the reinforcing wire rod may be configured to be arranged in the region in the orthogonal direction.
In the vehicle seat described above, the reinforcing wire rod includes two wire rods provided so as to be arranged in the orthogonal direction, and both of the two wire rods are arranged in the region in the orthogonal direction. Can be.
Further, the vehicle seat includes a pair of facing frames arranged apart from each other in a facing state, and a plate-shaped member arranged between the pair of facing frames, and the plate-shaped member is the pair. The base portion arranged at the center position in the facing direction of the pair of facing frames between the facing frames, and the left and right support portions extending diagonally from the left and right sides of the base portion to the left and right outside and toward the occupant side. The base portion has a base extending portion and an inclined portion of the base extending portion extending diagonally from an orthogonal end orthogonal to the facing direction with respect to the base extending portion. However, the left and right support portions are characterized in that they extend from the left and right sides of the base extending portion and the inclined portion.
Further , the vehicle seats are arranged apart from each other in a pair of facing frames arranged so as to face each other, and the pair of facing frames are arranged apart from each other in an orthogonal direction orthogonal to the facing direction of the pair of facing frames. A frame member having a pair of connecting frames to be connected, an erection wire erected on the pair of connecting frames, a reinforcing wire arranged so as to intersect the erection wire when viewed from the seater side, and at least the erection wire. The portion where the reinforcing wire intersects with the reinforcing wire is covered with an interval so that the erection wire and the reinforcing wire do not come into contact with each other, and a plate-shaped resin member connecting the erection wire and the reinforcing wire is provided. It can be configured .

According to such a configuration, the support member can be composed of an erection wire, a reinforcing wire, and a plate-shaped resin member covering the erection wire and the reinforcing wire. As a result, the load from the seated person can be received on the surface. Further, the support member can be provided with appropriate flexibility as compared with the case where the support member is made of a metal plate. Further, since the plate-shaped resin member can be reinforced with the erection wire and the reinforcing wire, the support member can have appropriate rigidity. As a result, the seating feeling can be improved.

In the vehicle seat described above, one of the erection wire and the reinforcing wire has a second portion that intersects with the other first portion and bends from the second portion and extends toward one end side of the first portion. The resin member has a third portion, and the resin member connects a first covering portion that covers the first portion, a second coating portion that covers the third portion, and the first coating portion and the second coating portion. It has a connecting portion, and the third portion can be configured to be non-parallel to the first portion.

According to this, one of the first covering portion and the second covering portion connected by the connecting portion is less likely to rotate with respect to the other as compared with the case where the third portion is parallel to the first portion. Therefore, the rigidity of the resin member can be improved. Thereby, the rigidity of the support member can be improved.

In the above-mentioned vehicle sheet, the resin member covers the erection wire or the reinforcing wire and is convex to the seated side or the side opposite to the seated side, and the resin member is on the same side as the wire covering portion. It has a rib that is convex, and the rib can be configured to be connected to the wire covering portion.

According to this, since the rigidity of the resin member can be improved, the rigidity of the support member can be improved.

In the above-mentioned vehicle seat, the rib is configured to include a first rib whose one end is connected to one of the wire covering portions which is convex toward the seated person and the amount of protrusion gradually decreases toward the other end. be able to.

According to this, it is possible to reduce the feeling of step due to the provision of the first rib, so that the seating feeling can be improved.

In the vehicle sheet described above, the wire covering portion includes an erection wire covering portion covering the erection wire and a reinforcing wire covering portion covering the reinforcing wire, and one end of the rib is connected to the erection wire covering portion. The other end may include a second rib connected to the reinforcing wire covering portion.

According to this, since the rigidity of the resin member can be further improved, the rigidity of the support member can be further improved.

The vehicle seat described above includes a seating sensor for detecting seating on the seat, a plurality of erection wires are arranged side by side in the facing direction, and the seating sensors are arranged between adjacent erection wires. It can be configured as such.

According to this, since the seating sensor is arranged between the highly rigid portions reinforced by the adjacent erection wires of the resin member, the mounting rigidity of the seating sensor can be improved.

In the vehicle seat described above, the resin member may be configured to have a mounting hole for mounting another member at a position avoiding the portion covering the erection wire or the reinforcing wire.

According to this, the mounting hole can be easily formed in the resin member. Further, as a portion for attaching another member, for example, it is possible to suppress the support member from having a complicated structure as compared with the case where a claw-shaped portion that engages with the other member is formed on the resin member. can.

In the vehicle seat described above, at least one of the erection wire rod and the reinforcing wire rod is a first parallel portion and a second parallel portion arranged in parallel to one straight line, and the first parallel portion and the first parallel portion. It has a bent portion that is arranged between two parallel portions and is bent so as to deviate from the straight line, and the resin member has a bent portion covering portion that covers the bent portion and the first parallel portion of the bent portion covering portion. It can be configured to have a thick portion connecting an end close to the portion and an end close to the second parallel portion.

According to this, since the rigidity of the resin member can be improved, the rigidity of the support member can be improved.

The vehicle seat described above includes a seating sensor that detects seating on the seat, and the seating sensor is configured to be arranged inside a region surrounded by the bent portion covering portion and the walled portion. Can be done.

According to this, since the seating sensor is arranged inside the highly rigid portion reinforced by the erection wire rod of the resin member and the thick portion, the mounting rigidity of the seating sensor can be improved.

According to the present invention, the seating feeling can be improved.

Further, the rigidity of the support member is improved by connecting the third portion of the erection wire and the reinforcing wire covered with one resin so as to be non-parallel to the first portion covered with the other resin. Can be done.

Further , by providing the resin member with a rib connected to the wire rod covering portion, the rigidity of the support member can be improved.

Further , by including the first rib in which one end is connected to the wire covering portion and the protrusion amount gradually decreases toward the other end, the seating feeling can be improved.

Further , by including a second rib as a rib, one end of which is connected to the erected wire covering portion and the other end of which is connected to the reinforcing wire covering portion, the rigidity of the support member can be further improved.

Further, by arranging the seating sensor between the adjacent erection wires, the mounting rigidity of the seating sensor can be improved.

Further , by providing the mounting hole at a position avoiding the portion of the resin member that covers the wire rod, the mounting hole can be easily formed and the support member can be prevented from having a complicated structure.

Further , the rigidity of the support member can be improved by providing the resin member with a thick portion connecting the ends of the bent portion covering portion and the bent portion covering portion.

Further, by arranging the seating sensor inside the region surrounded by the bent portion covering portion and the thickened portion, the mounting rigidity of the seating sensor can be improved.

It is a figure which shows the vehicle seat as the vehicle seat which concerns on embodiment. It is a figure which shows the cushion frame and the support member. The figure (a) showing the erection wire and the reinforcing wire, the view (b) from above at the intersection of the second vertical wire and the second horizontal wire, the view (c) from the left and right direction, and the first It is the figure (d) which looked at the part where the vertical wire and the 2nd horizontal wire intersect from the left-right direction. It is a figure which shows the support member. It is the figure which looked at the support member from the top. FIG. 5 is a sectional view taken along line VV of FIG. It is a WW sectional view of FIG. It is a figure which shows the part of the support member in an enlarged manner. It is the figure (a) which looked at the cushion frame and the support member from the bottom, and the figure (b) which looked at from the back. It is the figure which looked at the front side part of a support member and a pan frame from the top. FIG. 10 is a cross-sectional view taken along the line XX of FIG. It is the figure which looked at the vicinity of the frame contact part of a support member from the bottom. It is a figure which shows the blower, the bracket and the support member. It is the figure which looked at the blower, the bracket and the support member from the left-right direction. It is the figure (a) which looked at the support member which concerns on the modification, and the YY sectional view (b) of FIG.

Hereinafter, an embodiment of the invention will be described with reference to the accompanying drawings. In this specification, front-back, left-right, and up-down are based on front-back, left-right, and up-down as seen from a person sitting on the seat (seated person).
As shown in FIG. 1, the vehicle seat of the present embodiment is configured as a vehicle seat S used in a driver's seat, a passenger seat, or the like of an automobile, and mainly includes a seat cushion S1 and a seat back S2. It is equipped with.

Inside the seat cushion S1, a cushion frame F1 as an example of a frame member as shown in FIG. 2 that constitutes the frame of the seat cushion S1 is built. The seat cushion S1 is configured by covering the cushion frame F1 with a pad material made of urethane foam or the like and a skin material made of cloth or leather. Further, although not shown, the seat back S2 is configured by covering the back frame constituting the frame of the seat back S2 with a pad material and a skin material.

The cushion frame F1 includes left and right side frames 11 as a pair of facing 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 regulation frame. is doing. In the present embodiment, the left-right direction corresponds to the "opposite direction of the pair of facing frames", and the front-rear direction corresponds to the "orthogonal direction orthogonal to the facing direction (left-right direction) of the pair of facing frames". Further, in the present embodiment, the upper side corresponds to the "seat side" and the lower side corresponds to the "opposite side to the seater side".

The left and right side frames 11 are long frames that are long in the front-rear direction, and are arranged so as to face each other in the left-right direction. Each side frame 11 is made of sheet metal and has a cross-sectional shape in which a peripheral portion extends inward in the left-right direction.
The front frame 12 and the rear frame 13 are arranged apart from each other in the front-rear direction, and form a pair of connecting frames for connecting the left and right side frames 11. Specifically, the front frame 12 and the rear frame 13 are made of a metal pipe material, and the front frame 12 connects the front portions of the left and right side frames 11 to each other. Further, the rear frame 13 is arranged behind the front frame 12 so as to be separated from the front frame 12, and connects the rear portions 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 arranged so as to connect the front end portions of the left and right side frames 11 to each other.

A plate-shaped support member 20 is arranged inside the frame-shaped cushion frame F1, in other words, between the left and right side frames 11. The support member 20 is a member that receives a load from a seater via a pad material (not shown) of the seat cushion S1, and includes an erection wire material 100, a reinforcing wire material 200, and a plate-shaped resin member 300. ing. Although the details will be described later, the erection wire 100 and the reinforcing wire 200 are wires arranged between the left and right side frames 11. The erection wire 100 and the reinforcing wire 200 are made of metal. Further, the resin member 300 is made of resin and is integrally formed with the erection wire 100 and the reinforcing wire 200 in a state of being covered with the erection wire 100 and the reinforcing wire 200 by insert molding or the like.

As shown in FIG. 3A, the erection wire 100 is erected on the front frame 12 and the rear frame 13. In this embodiment, a plurality of erection wire rods 100 are arranged side by side in the left-right direction. Specifically, the erection wire 100 includes left and right first vertical wires 110 as the left and right first erection wires, and two second vertical wires 120 as the second erection wires.

The left and right first vertical wires 110 are arranged apart from each other in the left-right direction, and the front extending portion 111 and the rear extending portion 112 as the extending portions, the bending portion 113, and the front inclined portion 114, respectively. It has a front hook-shaped portion 115, a rear inclined portion 116, and a rear hook-shaped portion 117.
The front extending portion 111 and the rear extending portion 112 extend substantially in the front-rear direction. In the present embodiment, the front extension portion 111 corresponds to the "first extension portion", and the rear extension portion 112 corresponds to the "second extension portion".
The front inclined portion 114 extends diagonally forward and upward from the front end of the front extending portion 111, and the rear inclined portion 116 extends upward and diagonally rearward from the rear end of the rear extending portion 112. ..
The front hook-shaped portion 115 is a portion to be hooked on the front frame 12, and is formed in a substantially arc shape extending from the front end of the front inclined portion 114 and projecting upward. Further, the rear hook-shaped portion 117 is a portion to be hooked on the rear frame 13, and extends from the upper end of the rear inclined portion 116 and is formed in a substantially arc shape.

The bent portion 113 projects in a substantially U-shape between the front extending portion 111 and the rear extending portion 112 in the front-rear direction with respect to the front-rear extending portions 111 and 112 toward the outside in the left-right direction. It is formed by bending. Further, as shown in FIG. 6, the bent portion 113 is located above the plane PL passing through the extending portions 111 and 112 of the left and right first vertical wires 110. That is, the bent portion 113 is formed so as to project diagonally upward on the lateral side in the left-right direction with respect to the front-rear extending portions 111 and 112. As shown in FIG. 3A, the above-mentioned front extending portion 111 extends substantially forward from one of the left and right inner ends of the bending portion 113, which is the front end. The posterior extending portion 112 extends substantially rearward from the rear end, which is the other of the left-right inner ends of the bent portion 113.

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 the extending portion 121, the front inclined portion 124, the front hook-shaped portion 125, and the rear inclined portion, respectively. It has 126 and a rear hook-shaped portion 127.
The extending portion 121 extends substantially in the front-rear direction, and is arranged substantially parallel to the front-rear extending portions 111 and 112 of the left and right first vertical 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. Is formed to have substantially the same shape as the rear inclined portion 116 and the rear hook-shaped portion 117 of the first vertical wire 110. In the present embodiment, the front hook-shaped portions 115 and 125 of the vertical wires 110 and 120 correspond to "hook-shaped portions formed on the erection wire".

The reinforcing wire 200 is arranged so as to intersect the erection wire 100 (first vertical wire 110 and second vertical wire 120) when viewed from above. In the present embodiment, a plurality of reinforcing wire rods 200 are provided so as to be arranged in the front-rear direction. Specifically, the reinforcing wire 200 includes a first horizontal wire 210 and a second horizontal wire 220 arranged on the front side of the first horizontal wire 210.
The first horizontal wire 210 is composed of one wire, the first wire portion 211 as the first reinforcing wire, the left and right first support portions 212, and the two left and right second wire portions 213 as the second reinforcing wire. have. The first wire portion 211 and the second wire portion 213 are arranged so as to intersect the extending portion 121 of the second vertical wire 120.

The first wire portion 211 extends in the left-right direction. As shown in FIG. 5, the first wire portion 211 is partially arranged after the ischial position SP so as to avoid the ischial position SP of the seated person. Specifically, the first wire portion 211 includes left and right end portions 211A, an intermediate portion 211B that bends from the left and right inner ends of each end portion 211A and extends diagonally rearward in the left and right direction, and left and right intermediate portions. It has a central portion 211C extending along the left-right direction so as to connect the rear ends of the 211B, and the central portion 211C is arranged after the ischial position SP. On the other hand, the left and right end portions 211A are arranged in front of the ischium position SP. The left and right end portions 211A may be arranged at the same anterior-posterior position as the ischium position SP. In the present specification, the ischium position SP is a position corresponding to the lowest protruding portion of the ischial bone of the seated person.

The first support portion 212 bends rearward from both left and right ends of the first wire portion 211 (the outer ends in the left-right direction of each end portion 211A) and extends substantially in the front-rear direction. Each first support portion 212 extends substantially in the front-rear direction from the front extension portion 111 of the corresponding first vertical wire 110 to the rear extension portion 112, and the front extension portion 111 and the rear extension portion 112. It is located on the lower side. As a result, the first support portion 212 supports the front extension portion 111 and the rear extension portion 112 of the first vertical wire 110 from below via the resin member 300, and further, the front extension portion 111. And the bent portion 113 is supported from below via the posterior extending portion 112. As shown in FIG. 3A, in the first horizontal wire 210, the first support portion 212, which is a portion intersecting with the first vertical wire 110, is larger than the extending portions 111 and 112 before and after the first vertical wire 110. While it is arranged on the lower side, the portion intersecting with the second vertical wire 120 is arranged on the upper side of the second vertical wire 120. Specifically, in the first horizontal wire 210, the central portion 211C of the first wire portion 211 and the inner end portions of the second wire portion 213 in the left-right direction are arranged above the extending portion 121 of the second vertical wire portion 120. Has been done.

The second wire portion 213 bends inward in the left-right direction from the rear end of each first support portion 212 and extends inward in the left-right direction, and is behind the first wire portion 211 with the first wire portion 211. They are arranged side by side. More specifically, as shown in FIG. 5, the second wire portion 213 is arranged further after the central portion 211C, which is a portion of the first wire portion 211 arranged after the ischial position SP.

As shown in FIG. 3A, the second horizontal wire 220 has a central portion 221, a first intermediate portion 222, a second intermediate portion 223, and an end portion 224.
The central portion 221 extends in the left-right direction and is arranged above the front inclined portion 124 so as to intersect the front inclined portion 124 of the left and right second vertical wires 120.
The first intermediate portion 222 is bent from the left and right ends of the central portion 221 and extends toward the rear end side which is one end of the front inclined portion 124.
The second intermediate portion 223 is bent from the rear end of the first intermediate portion 222 and extends outward in the left-right direction. The second intermediate portion 223 is arranged above the front extending portion 111 so that the outer end portion in the left-right direction intersects the front extending portion 111 of the first vertical 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 side, which is one end of the front extending portion 111.

As shown in FIG. 3B, the first intermediate portion 222 of the second horizontal 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 FIG. 3C, the first intermediate portion 222 intersects 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 portion", the central portion 221 of the second horizontal wire 220 corresponds to the "second portion", and the first intermediate portion 222 corresponds to the "second portion". Corresponds to "3 parts".
Further, as shown in FIG. 3D, the end portion 224 of the second horizontal wire 220 intersects the front extending portion 111 of the first vertical wire 110 when viewed from the left-right direction, and the front extending portion It is non-parallel to 111. Here, the front extending portion 111 of the first vertical wire 110 corresponds to the "first portion", the second intermediate portion 223 of the second horizontal wire 220 corresponds to the "second portion", and the end portion 224 corresponds to the "second portion". Corresponds to "the third part".

As shown in FIG. 3A, the resin member 300 covers the erection wire 100 and the reinforcing wire 200, and connects the erection wire 100 and the reinforcing wire 200. Specifically, the erection wire 100 and the reinforcing wire 200 are arranged at a predetermined interval so that the intersecting portions do not come into contact with each other, and the resin member 300 is the erection wire 100 and the reinforcing wire 200 in this state. It covers the whole and is connected. Therefore, the resin member 300, specifically, the resin constituting the resin member 300, enters the gap between the portion of the erection wire 100 that intersects the reinforcing wire 200 and the portion of the reinforcing wire 200 that intersects the erection wire 100. Intervenes in.

As shown in FIG. 4, the resin member 300 includes a base portion 310, a wire covering portion 320, a mounting portion 330, a second support portion 340, a front hooking portion 350 as a hooking portion, and a rear hooking portion. It is configured to have a stop portion 360 and a pair of left and right frame contact portions 370.

The wire covering portion 320 is a portion that covers the erection wire 100 or the reinforcing wire 200 so as to wrap it, and in the present embodiment, the wire covering portion 320 is formed in a bead shape that is convex upward with respect 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, and a first horizontal wire covering that covers the first horizontal wire 210. A portion 323 and a second transverse wire covering portion 324 covering the second transverse wire 220 are included. In the present embodiment, the first vertical wire covering portion 321 and the second vertical wire covering portion 322 correspond to the "overhead wire covering portion", and the first horizontal wire covering portion 323 and the second horizontal wire covering portion 324 are "reinforcing wire rods". Corresponds to the "covered part". The wire covering portion 320 is connected in a state where the resin is interposed between the erection wire 100 and the reinforcing wire 200 at the portion where the erection wire 100 and the reinforcing wire 200 intersect.

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

As shown enlarged in FIG. 8, the horizontal portion 311 extends substantially in the front-rear direction along the extending portion 121 of the second vertical wire 120. On the upper surface of the horizontal portion 311, a plurality of ribs 313 that are convex on the upper side on the same side as the wire rod covering portion 320 are formed. Each rib 313 is connected to the wire covering portion 320 and is integrally formed with the wire covering portion 320. In other words, each rib 313 is formed so as to extend from the wire covering portion 320. According to such a configuration, the rigidity of the resin member 300 can be improved, so that the rigidity of the support member 20 can be improved.

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 arranged between the front and rear first lateral wire covering portions 323 and extends substantially in the front-rear direction. The rear end of the first rib 313A is connected to the rear first horizontal wire covering portion 323 (the portion covering the second wire portion 213) of the wire rod covering portion 320. Then, the upper surface of the first rib 313A is obliquely forward and downward so that the amount of protrusion from the upper surface of the horizontal portion 311 toward the front end, which is the other end, in other words, the height gradually decreases. It is formed in a shape inclined toward. According to such a configuration, it is possible to reduce the feeling of step due to the provision of the first rib 313A, so that the seating feeling when a person sits on the seat can be improved.

The second rib 313B and the third rib 313C are arranged between the first horizontal wire covering portion 323 and the second horizontal wire covering portion 324, and extend so as to be inclined in the left-right direction. The front end of the second rib 313B is connected to the second vertical wire covering portion 322, and the rear end of the other end is connected to the front first horizontal wire covering portion 323 (the portion covering the first wire portion 211). linked. According to such a configuration, the rigidity of the resin member 300 can be further improved, so that the rigidity of the support member 20 can be further improved. Further, the third rib 313C extends so as to be parallel or orthogonal to the second rib 313B. In the present embodiment, a grid-like rib is formed between the first horizontal wire covering portion 323 and the second horizontal wire covering portion 324 by the second rib 313B and the third rib 313C. According to such a configuration, the rigidity of the resin member 300 can be further improved, so that the rigidity of the support member 20 can be further improved.

The inclined portion 312 extends from the front end of the horizontal portion 311 toward the front diagonally upward along the front inclined portions 114 and 124 of the vertical wires 110 and 120 (see also FIG. 14). As shown in FIG. 7, a seating sensor 30 is arranged on the upper surface of the inclined portion 312. The seating sensor 30 is a known sensor for detecting seating on the vehicle seat S. In the present embodiment, the seating sensor 30 is arranged between the adjacent erection wires 100, specifically, the second vertical wire 120. Specifically, the seating sensor 30 is arranged near the center of the upper surface of the inclined portion 312 and between the second vertical wire covering portions 322. According to such a configuration, the seating sensor 30 is arranged between the highly rigid portions reinforced by the adjacent second vertical wires 120 of the resin member 300, so that the mounting rigidity of the seating sensor 30 is improved. Can be made to. A substantially rectangular first through hole 314 penetrating vertically is formed near the center of the inclined portion 312. As shown in FIG. 9, the harness 31 extending from the seating sensor 30 is pulled out to the lower side of the support member 20 through the first through hole 314, laid toward the front side, and attached to the pan frame 14. It is connected to 32.

As shown in FIG. 8, in the resin member 300, the second vertical wire covering portion 322 has a first covering portion 322A in which the second vertical wire covering portion 322 covers the front inclined portion 124, and the second horizontal wire covering portion 324 covers the first intermediate portion 222. The second covering portion 324A is provided, and the base portion 310 has a connecting portion 310A connecting the first covering portion 322A and the second covering portion 324A. As described above, since the first intermediate portion 222 is not parallel to the front inclined portion 124, the connecting portion 310A is compared with the case where the first intermediate portion 222 is parallel to the front inclined portion 124. Since one of the connected first covering portion 322A and the second covering portion 324A has a twisted positional relationship with respect to the other, it is difficult for one to rotate about the other as an axis. That is, the resin member 300 is less likely to be deformed in the vicinity of the connection portion 310A. According to such a configuration, the rigidity of the resin member 300 can be improved, so that the rigidity of the support member 20 can be improved.

The mounting portion 330 is a plate-shaped portion constituting the front side portion of the left and right end portions of the resin member 300, and is provided so as to extend outward in the left-right direction from the front end portion of the left and right first vertical wire covering portions 321. ing. The mounting portion 330 extends back and forth along the front inclined portions 114 and 124 of the vertical wires 110 and 120. A plurality of mounting holes 331 penetrating vertically are formed at a position avoiding the mounting portion 330, in other words, the wire covering portion 320 of the resin member 300. The mounting hole 331 is a hole for mounting another member on the support member 20. Examples of other members attached to the support member 20 include harnesses 81 to 83 connected to electrical components such as motors and planar heaters (not shown) provided on the vehicle seat S, as shown in FIG. be able to. Specifically, the harnesses 81 to 83 are attached to the support member 20 by engaging a claw (not shown) of the harness clip 84 with the attachment hole 331 while being held by the known harness clip 84. By forming the mounting hole 331 at a position avoiding the wire covering portion 320 in this way, it is possible to easily form the mounting hole 331 for mounting another member on the resin member 300. Further, as a portion for attaching the other member, for example, as compared with the case where the resin member 300 is formed with a claw-shaped portion that engages with the other member, the support member 20 is prevented from having a complicated structure. be able to. The harnesses 81 to 83 are connected to the connector 85 attached to the pan frame 14. A hole for attaching another member may be provided, for example, in the base portion 310 or the like as long as the position avoids the wire rod covering portion 320.

As shown in FIG. 4, the second support portion 340 is a substantially plate-shaped portion constituting the rear side portion of the left and right end portions of the resin member 300, and the base portion 310 (specifically, the horizontal portion 311 and the inclined portion). It is formed so as to extend diagonally upward from the rear end portion of 312) on the outer side in the left-right direction. The second support portion 340 includes the rear end portion of the front extension portion 111 of the first vertical wire 110, the rear extension portion 112 and the bending portion 113, the left and right ends of the first horizontal wire 210, and the second horizontal wire. It covers the end 224 of the 220 so as to wrap it. As shown in FIG. 9, ribs 341 and 342 protruding downward are formed on the lower surface of the second support portion 340. The ribs 341 extend substantially in the front-rear direction, and a plurality of ribs 341 are arranged side by side in the left-right direction. Further, the ribs 342 extend substantially in the left-right direction, and a plurality of ribs 342 are arranged side by side in the front-rear direction. As shown in FIG. 6, the ribs 342 extending to the left and right have a substantially triangular shape when viewed from the front-rear direction, and from a position outside the left-right direction of the bent portion 113 in the left-right direction, the left-right direction of the bent portion 113. It extends from the inner edge to the inner position in the left-right direction.

As shown in FIG. 8, in the present embodiment, the second support portion 340 includes a first covering portion 340A that covers the rear end portion of the front extension portion 111 of the first vertical wire 110, and the ends of the second horizontal wire 220. It has a second covering portion 340B that covers the portion 224, and a connecting portion 340C that connects the first covering portion 340A and the second covering portion 340B. As described above, since the end portion 224 is non-parallel to the front extension portion 111, the first covering portion 340A and the first covering portion 340A and the case where the end portion 224 is parallel to the front extension portion 111 are compared with the case where the end portion 224 is parallel to the front extension portion 111. One of the second covering portion 340B is less likely to rotate with respect to the other, and the second support portion 340 is less likely to be deformed in the vicinity of the connecting portion 340C. As a result, the rigidity of the resin member 300 can be improved, so that the rigidity of the support member 20 can be improved.

The front hooking portion 350 is a portion to be hooked on the front frame 12, and is formed in a substantially semi-cylindrical shape long in the left-right direction. The front hooking portion 350 is configured such that the front hook-shaped portions 115 and 125 of the vertical wires 110 and 120 are covered with a resin member 300, specifically, a resin constituting the resin member 300.

As shown in FIG. 4, the rear hooking portion 360 is a portion to be hooked on the rear frame 13. The rear hooking portion 360 includes a left and right first rear hooking portion 361 and a second rear hooking portion 362 arranged between the left and right first rear hooking portions 361. The left and right first rear hooking portions 361 are configured such that the rear hook-shaped portions 117 of the corresponding first vertical wires 110 are covered with resin, respectively. Further, the second rear hooking portion 362 is configured such that the rear hook-shaped portions 127 of the two second vertical wires 120 are covered with resin. As shown in FIGS. 9A and 9B, the harnesses 81 and 82 are placed on the rear frame 13 between the left first rear hooking portion 361 and the second rear hooking portion 362. Arranged to pass through. The portion between the first rear side hooking portion 361 and the second rear side hooking portion 362 has a concave portion that is concave with respect to the upper portions of the first rear side hooking portion 361 and the second rear side hooking portion 362. Since it is formed, by arranging the harnesses 81 and 82 in this portion, it is possible to reduce the feeling of step due to the arrangement of the harnesses 81 and 82.

As shown in FIG. 4, the frame contact portion 370 is a portion capable of contacting the position restricting surface 14A (see FIG. 10) described later of the pan frame 14 from the inside in the left-right direction, and the left and right sides of the front hook portion 350. It is provided in. Specifically, the frame contact portion 370 is provided so as to project from the left and right sides of the front side hooking portion 350 to the upper side of the front side hooking portion 350. The frame contact portion 370 has a contact surface 371 capable of contacting the position restricting surface 14A of the pan frame 14 on the outer side in the left-right direction of the front end portion.

As shown in FIG. 10, the pan frame 14 has a pair of position limiting surfaces 14A facing inward in the left-right direction. Specifically, the pan frame 14 has a substantially U-shaped concave portion 14B that is concave toward the front side at the center of the rear end portion in the left-right direction, and the left and right surfaces of the concave portion 14B are the position limiting surface 14A. It has become. The front end portion of the resin member 300 (support member 20) is arranged so as to enter the recess 14B of the pan frame 14, and the frame contact portion 370 is adjacent to the inside of the left and right corresponding position regulation surfaces 14A in the left-right direction. And are arranged. Further, the contact surface 371 of the frame contact portion 370 is arranged adjacent to the inside of the corresponding position regulation surface 14A in the left-right direction and facing the position regulation surface 14A. The contact surface 371 and the position restricting surface 14A are inclined so as to be located outward in the left-right direction toward the side where the support member 20 is arranged in the front-rear direction in which the pan frame 14 and the support member 20 are arranged, that is, toward the rear side. It is formed as an inclined surface. As shown in FIG. 11, the frame contact portion 370 is provided so as to protrude upward from the left and right sides of the front hooking portion 350 with respect to the position restricting surface 14A formed on the rear edge of the pan frame 14. ing.

As shown in FIGS. 9 and 11, the pan frame 14 made of sheet metal has a plate-shaped portion 14C arranged on the lateral side of the recess 14B in the left-right direction and on the lateral side of the frame contact portion 370. Harnesses 82 and 83 are arranged below the left plate-shaped portion 14C. In this embodiment, the harnesses 82 and 83 correspond to "electric wires". According to such a configuration, since the harnesses 82 and 83 are arranged under the cushion frame F1 having high rigidity, the harness 82 which is a flexible member arranged in the vehicle seat S , 83 can be suppressed from applying force. The harnesses 82 and 83 are attached to the pan frame 14 by engaging the harness clip 86 with the attachment hole 14H formed in the plate-shaped portion 14C while being held by the harness clip 86.

As shown from the lower side in FIG. 12, the resin member 300 has an outer wall 381 and a rib 382 at the front end portion.
The outer side wall 381 forms a left-right outer wall of the front end portion of the resin member 300, including a left-right outer wall of the frame contact portion 370.
The rib 382 is convex downward, and is formed so as to extend inward in the left-right direction from the outer wall 381 extending substantially in the front-rear direction and to be connected to the upper portion of the front hooking portion 350. Two ribs 382 are provided side by side at two positions, one near the rear end of the inclined contact surface 371 of the frame contact portion 370 in the front-rear direction and the other after the position. The rib 382 is arranged above the front frame 12 when the front hooking portion 350 is hooked on the front frame 12.

As shown in FIG. 13, a blower 40 is arranged under the support member 20. Although not shown, the pad material of the seat cushion S1 has a plurality of ventilation holes formed on the upper surface and ventilation passages communicating with the ventilation holes, and the outlet 40B of the blower device 40 is a duct 50 ( It is connected to the air passage via (see FIG. 14). With such a configuration, the vehicle seat S is configured to blow out air from the upper surface of the seat cushion S1 when the blower device 40 operates.

The blower 40 is, for example, a sirocco fan, which includes a housing 41, an impeller 42, and a motor (not shown) for rotating the impeller 42.
The housing 41 includes a housing body 44 in which an impeller 42 and a motor are housed, a cylindrical blowout portion 45 extending rearward from the left end portion of the housing body 44, and an outward direction from the housing body 44. It has a plate-shaped fixing portion 46 that extends. A suction port (not shown) for sucking air is formed on the upper surface of the housing body 44, and an outlet 40B for blowing air is formed at the rear end of the blowout portion 45. The fixing portion 46 includes a first fixing portion 46A, a second fixing portion 46B, and a third fixing portion 46C. The first fixing portion 46A is formed so as to extend diagonally forward to the right from the housing main body 44, and the second fixing portion 46B is formed so as to extend diagonally forward to the left from the housing main body 44. Further, the third fixing portion 46C is formed so as to extend substantially rearward from the housing main body 44. Through holes 46H are formed in each fixing portion 46.

The blower 40 is attached to the support member 20. Specifically, in the blower device 40, the front side portion is attached to the support member 20 via the bracket 60, and the rear side portion is directly attached to the support member 20.
The bracket 60 is attached to the lower side of the support member 20, and has a plate-shaped bracket main body 61, bosses 62A, 62B, and through holes 63A, 63B. The bracket main body 61 has a substantially U-shape, and an opening 61A opened vertically and rearward is formed at a position facing the suction port of the blower device 40. The bosses 62A and 62B are formed in a cylindrical shape that protrudes downward from the lower surface of the bracket main body 61. The boss 62A is provided on the right side of the front end portion of the bracket main body 61, and the boss 62B is provided on the left side of the front end portion of the bracket main body 61. The through holes 63A and 63B are holes that penetrate vertically. The through holes 63A and 63B are provided with the through holes 63A on the right side of the rear end portion of the bracket main body 61 and the through holes 63B provided on the left side of the rear end portion of the bracket main body 61 with the opening 61A interposed therebetween.

As shown in FIG. 9, the resin member 300 constituting the support member 20 has left and right blower attachment portions 390R and 390L to which the blower device 40 is attached. The vehicle seat S of the present embodiment has a different mounting position of the blower 40 according to its specifications. Specifically, the blower 40 is attached to either the right blower mounting portion 390R or the left blower mounting portion 390L according to the specifications of the vehicle seat S. For example, when the vehicle seat S is used in the right seat, the blower 40 is attached to the right blower mounting portion 390R, and the vehicle seat S is used in the left seat. The blower device 40 is attached to the left blower device attachment portion 390L. Since the configurations of the left and right blower mounting portions 390R and 390L are substantially the same, the configuration of the right blower mounting portion 390R will be mainly described in detail below.

As shown in FIG. 13, the blower mounting portion 390R has a plurality of cylindrical bosses 391 protruding downward from the lower surface of the resin member 300. The boss 391 includes 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 so as to be located at the vertices of the triangle when viewed from below. Specifically, the first boss 391A and the second boss 391B are arranged so as to be spaced apart from each other in the left-right direction, and the third boss 391C is positioned after the first boss 391A and the second boss 391B. , Is arranged at a position between the first boss 391A and the second boss 391B in the left-right direction. Further, the first boss 391A is arranged at the front end portion of the right mounting portion 330, and the second boss 391B and the third boss 391C are the right first vertical wire 110 and the right of the front end portions of the inclined portion 312. It is arranged at a position between the second vertical wires 120. Further, the first boss 391A is arranged on the right side of the first vertical wire 110 on the right side, and the second boss 391B and the third boss 391C are arranged on the left side of the first vertical wire 110 on the right side. That is, the bosses 391 are arranged on both sides of the first vertical wire 110 on the right in the left-right direction.

As shown in FIG. 9, for the left blower mounting portion 390L, the first boss 391A is arranged at a position between the left and right second vertical wires 120 in the front end portion of the inclined portion 312, and the first boss 391A is arranged. The two bosses 391B and the third boss 391C are arranged at positions between the left second vertical wire 120 and the left first vertical wire 110 in the front end portion of the inclined portion 312. Further explaining, for the left blower mounting portion 390L, the first boss 391A is arranged on the right side of the left second vertical wire 120, and the second boss 391B and the third boss 391C are the left second vertical wire. It is located on the left side of 120. That is, also for the left blower mounting portion 390L, the bosses 391A to 391C are arranged on both sides of the left second vertical wire 120 in the left-right direction.

Here, an example of attaching the blower 40 to the support member 20 will be described.
As shown in FIG. 13, when the blower 40 is attached to the support member 20, the bracket 60 is first attached to the lower side of the support member 20. Specifically, the screw 91 is inserted into the through hole 63A of the bracket 60 and screwed into the first boss 391A, and the screw 92 is inserted into the through hole 63B of the bracket 60 and screwed into the second boss 391B. do. After that, the blower 40 is attached to the lower side of the bracket 60 and the support member 20. Specifically, the screw 93 is inserted into the through hole 46H of the first fixing portion 46A formed in the blower device 40 and screwed into the boss 62A of the bracket 60, and the screw 94 is screwed into the second fixing portion 46B. The front portion of the blower 40 is attached to the bracket 60 by inserting it through the through hole 46H and screwing it into the boss 62B of the bracket 60. Further, the screw 95 is inserted into the through hole 46H of the third fixing portion 46C formed in the blower device 40 and screwed into the third boss 391C of the resin member 300 to support the rear portion of the blower device 40. It is directly attached to the member 20.

In the present embodiment, since a part of the blower device 40 is attached to the support member 20 via the bracket 60, the blower device 40 is compared with the case where the entire blower device 40 is directly attached to the support member 20. The degree of freedom of mounting can be improved. Further, since the degree of freedom in arranging the blower device 40 in the vehicle seat S can be improved, the space in the vehicle seat S can be effectively used.

In particular, in the present embodiment, the blower 40 is attached to the support member 20 via the bracket 60 by attaching the front side portion thereof to the bracket 60, and the rear side portion is directly attached to the support member 20. Therefore, the blower device 40 can be mounted at a position below the front hooking portion 350 where it is difficult to provide a mounting boss. As a result, the degree of freedom in mounting the blower 40 can be further improved. Further, since the degree of freedom in arranging the blower device 40 in the vehicle seat S can be further improved, the space in the vehicle seat S can be used more effectively.

Further, since the blower device 40 is attached to the resin member 300, the vibration of the support member 20 accompanying the operation of the blower device 40 is generated as compared with the case where the blower device 40 is attached to the metal erection wire 100 or the like. It can be reduced or the noise generated by the vibration during the operation of the blower device 40 can be reduced.

Further, since the blower device 40 is attached to the protruding boss 391 provided on the resin member 300, for example, the blower device 40 is compared with the case where the blower device 40 is attached to the flat surface of the resin member 300. The degree of freedom of mounting can be further improved.

Further, since the bosses 391 are arranged on both sides of the erection wire 100, the blower 40 is attached to the resin member 300 with a highly rigid portion reinforced by the erection wire 100 of the resin member 300. Thereby, the mounting rigidity of the blower device 40 can be improved.

As shown in FIG. 14, the blower device 40 attached to the support member 20 is arranged below the inclined portion 312 of the resin member 300 constituting the support member 20. According to such a configuration, since the blower device 40 can be compactly arranged under the support member 20, the vehicle seat S in which the blower device 40 is built can be made compact. Further, the front side portion of the blower device 40 is arranged on the lower side of the metal front frame 12.

As shown in FIG. 9, the inclined portion 312 of the resin member 300 is formed with a second through hole 315 penetrating vertically at a position on the rear side of the second boss 391B. The second through hole 315 is provided on each side of the inclined portion 312 corresponding to the left and right blower mounting portions 390R and 390L. As shown in FIG. 14, the second through hole 315 is a through hole through which the duct 50 connected to the blowout portion 45 of the blower device 40 passes. According to such a configuration, the cushion frame F1 (seat cushion S1) can be made compact as compared with the case where the duct is arranged so as to bypass the support member 20, so that the vehicle seat S can be made compact. can do.

Further, as shown in FIG. 5, the portion between the front hooking portion 350 and the second through hole 315 of the resin member 300 (inclined portion 312) is the housing main body 44 of the blower 40, and further, when viewed from above. Speaking of which, it is a sound insulation wall 316 as a wall covering the impeller 42 housed in the housing body 44. According to such a 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, so that the operating noise of the blower 40 transmitted to the seated person can be reduced. The sound insulation wall 316 may be provided so as to cover the entire blower device 40 including the blowout portion 45 when viewed from above.

According to the present embodiment described above, as shown in FIG. 2, the support member 20 that receives the load from the seated person is provided with the erection wire 100, the reinforcing wire 200, and the plate that covers the erection wire 100 and the reinforcing wire 200. It can be composed of a resin member 300 having a shape. As a result, the load from the seated person can be received on the surface. Further, the support member 20 can be provided with appropriate flexibility as compared with the case where the support member is made of a metal plate. Further, since the plate-shaped resin member 300 can be reinforced by the erection wire 100 made of a metal wire and the reinforcing wire 200, the support member 20 can be made to have appropriate rigidity. As a result, the seating feeling of the vehicle seat S can be improved. Further, since the resin member 300 covers the erection wire 100 and the reinforcing wire 200 at intervals so as not to come into contact with each other, it is possible to prevent the generation of sound due to the contact between the wires.

Further, according to the present embodiment, as shown in FIGS. 3 and 4, the left and right first vertical wires 110 project diagonally upward in the left-right direction with respect to the front-rear extending portions 111 and 112, respectively. Since it has a substantially U-shaped bent portion 113 that is bent so as to be bent, the seated person is supported by the left and right bent portions 113 so as to be sandwiched from both the left and right sides via the second support portion 340 of the resin member 300. Can be done. This makes it possible to improve the holdability of the vehicle seat S. On the other hand, since the bent portion 113 is provided by bending a part of the left and right first vertical wires 110, a member having a portion that supports the seated person from both the left and right sides is referred to as the first vertical wire 110. The number of parts of the vehicle seat S can be reduced as compared with the case where the seat S is provided separately.

Further, in the present embodiment, the first support portion 212 of the first lateral wire 210 supports the bent portion 113 from below via the extending portions 111 and 112, so that the bent portion 113 is bent when the seated person sits down. Even when the first vertical wire 110 having the portion 113 is bent downward, the bent portion 113 can be supported by the first support portion 212. As a result, it is possible to prevent the bent portion 113 from moving too downward, in other words, to prevent the bent portion 113 from moving too low. As a result, the holdability at the time of sitting by the left and right bent portions 113 can be kept good.

Further, in the present 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, so that the first vertical wire can be supported. It is possible to effectively prevent the bent portion 113 from being lowered too much when the 110 is bent. As a result, the holdability at the time of sitting by the left and right bent portions 113 can be better maintained.

Further, in the present embodiment, since the portion of the first horizontal wire 210 that intersects with the second vertical wire 120 is arranged above the second vertical wire 120, the first horizontal wire 210 having the first support portion 212 is provided. Can be supported by the second vertical wire 120. As a result, when the first vertical wire 110 is bent, the first horizontal wire 210 itself is suppressed from being lowered, so that the bent portion 113 is more effectively suppressed from being lowered too much by the first support portion 212. be able to. As a result, the holdability at the time of sitting by the left and right bent portions 113 can be maintained even better.

Further, in the present 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 on the surface by the second support portion 340. This makes it possible to improve the sitting feeling.

Further, in the present embodiment, as shown in FIG. 6, since the rib 342 provided on the back side of the second support portion 340 extends inward in the left-right direction from the bent portion 113, the bent portion 113 extends in the left-right direction. It can be suppressed by supporting the rib 342 from trying to rotate downward about the inner end. As a result, it is possible to suppress the deformation of the left and right bent portions 113 so as to open to the left and right outward due to the load from the seated person, so that the holdability of the left and right bent portions 113 at the time of sitting can be kept good.

Further, in the present embodiment, as shown in FIG. 5, since the first wire portion 211 arranged so as to intersect the vertical wires 110 and 120 is provided, the support member 20 that receives the load from the seated person is reinforced. Can be done. Further, since the central portion 211C of the first wire portion 211 is arranged after the ischium position SP so as to avoid the ischium position SP, the seating fee due to the contact between the vicinity of the ischial bone of the seated person and the first wire portion 211 It is possible to suppress the decrease of the ring.

Further, in the present embodiment, since the second wire portion 213 is further provided in addition to the first wire portion 211, the support member 20 can be reinforced more firmly. Further, since the second wire portion 213 is arranged after the central portion 211C of the first wire portion 211, it is possible to suppress a decrease in the seating feeling due to contact between the vicinity of the ischium of the seated person and the second wire portion 213. be able to.

Further, according to the present embodiment, as shown in FIG. 14, since the front side portion which is a part of the blower device 40 attached to the support member 20 is arranged on the lower side of the front frame 12, it is for vehicles. The load from the seated person sitting on the seat S can be received and supported by the highly rigid front frame 12 made of metal. As a result, the load from the seated person can be made less likely to be applied to the blower device 40.

Further, according to the present embodiment, as shown in FIG. 10, the pan frame 14 has a pair of left and right position restricting surfaces 14A, and the support member 20 has a pair of left and right frame contact portions 370. When the support member 20 tries to move significantly in the left-right direction from the state shown in the above, the frame contact portion 370 of the support member 20 comes into contact with the position restricting surface 14A of the pan frame 14 from the inside in the left-right direction. As a result, the movement of the support member 20 in the left-right direction is restricted, so that the position of the support member 20 can be prevented from shifting to the left or right.

Further, in the present embodiment, since the support member 20 tends to move left and right along the front frame 12 on which the front side hooking portion 350 is hooked, the frame contact portion 370 is moved to the left and right sides of the front side hooking portion 350. By providing the frame contact portion 370, the frame contact portion 370 can be satisfactorily contacted with the position restricting surface 14A from the inside in the left-right direction. As a result, it is possible to effectively suppress the position of the support member 20 from shifting to the left or right.

Further, in the present embodiment, since the frame contact portion 370 is provided so as to project above the position restricting surface 14A, for example, a dimensional error may occur in the frame contact portion 370, or the pan frame 14 may be formed. Even if it is provided so as to be movable up and down by a tilt mechanism or the like, the frame contact portion 370 and the position restricting surface 14A can be brought into good contact with each other. As a result, it is possible to more effectively suppress the position of the support member 20 from shifting to the left or right.

Further, in the present embodiment, since the support member 20 has a rib 382 extending inward in the left-right direction from the outer wall 381 including 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 position of the support member 20 can be satisfactorily suppressed from being displaced to the left or right due to the contact between the frame contact portion 370 and the position restricting surface 14A. can.

Further, in the present embodiment, since the frame contact portion 370 is provided so as to project upward from the front side hooking portion 350, the size of the contact surface 371 can be sufficiently secured. As a result, the frame contact portion 370 and the position restricting surface 14A can be brought into good contact with each other, so that the position of the support member 20 can be better suppressed from shifting to the left or right.

Further, in the present embodiment, since the position regulating surface 14A and the contact surface 371 are inclined surfaces that are located outward in the left-right direction toward the rear side, the position regulation surface 14A and the contact surface 371 are orthogonal to each other in the left-right direction. As compared with the case where, the impact when the position restricting surface 14A and the contact surface 371 come into contact with each other can be reduced. As a result, it is possible to reduce the impact when suppressing the positional deviation of the support member 20.

Further, since the frame contact portion 370 is formed on the resin member 300 made of resin, noise occurs when the position restricting surface 14A formed on the metal pan frame 14 and the frame contact portion 370 come into contact with each other. Can be suppressed from occurring. As a result, it is possible to suppress the generation of noise when suppressing the positional deviation of the support member 20.

Although one embodiment of the invention has been described above, the present invention is not limited to the above embodiment. The specific configuration can be appropriately changed as described below without departing from the spirit of the invention. In the following, the same configurations as those of the above-described embodiment will be designated by the same reference numerals, and description thereof will be omitted as appropriate, and differences from the above-described embodiments will be described in detail.
For example, as shown in FIGS. 15A and 15B, the support member 20 according to the modified example includes left and right first vertical wires 110 and one third vertical wire 130 as erection wires, and a reinforcing wire. It includes a first horizontal wire 210 and a resin member 300 integrally formed so as to cover the wires 110, 130, and 210.

The third vertical wire 130 is arranged between the left and right first vertical wires 110, and is erected on the front frame 12 and the rear frame 13. The third vertical wire 130 mainly includes a first parallel portion 131 on the front side, a second parallel portion 132 on the rear side, and a bent portion 133 arranged between the first parallel portion 131 and the second parallel portion 132. have. The first parallel portion 131 and the second parallel portion 132 are arranged in parallel with one straight line L extending in the substantially front-back direction. Specifically, the first parallel portion 131 and the second parallel portion 132 are arranged on the same straight line L when viewed from above, and extend substantially in the front-rear direction. The bent portion 133 is bent in the left-right direction so as to deviate from the straight line L. Specifically, the bent portion 133 is bent so that the front portion 133A projects in a substantially U shape toward the right side with respect to the straight line L, and the rear portion 133B is substantially U-shaped toward the left side with respect to the straight line L. It is bent so as to protrude like a shape. The bent portion 133 has a substantially S-shape as a whole because 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.

The resin member 300 includes a third vertical wire covering portion 325 that covers the third vertical wire 130 as a part of the wire covering portion 320. The third vertical wire covering portion 325 is formed in a bead shape that is convex upward with respect to the base portion 310 and the mounting portion 330, and has a bent portion covering portion 326 that covers the bent portion 133. Further, the resin member 300 has a thick portion 317 that is thicker than the surrounding portion. The thick portion 317 is formed in a bead shape that is convex upward with respect to the surrounding portion, similarly to the third vertical wire covering portion 325. The thick portion 317 includes a first thick portion 317A and a second thick portion 317B. The first thick portion 317A has a substantially L-shape connecting the end of the front opening 326A formed by the bending portion covering portion 326 near the first parallel portion 131 and the end near the second parallel portion 132. It is formed. Further, the second thick portion 317B is substantially L connecting the end of the rear opening 326B formed by the bent portion covering portion 326 near the first parallel portion 131 and the end near the second parallel portion 132. It is formed in a character shape. According to such a configuration, the contour of a substantially rectangular shape is formed by the front side portion and the first thick portion 317A of the bent portion covering portion 326, and the rear portion and the second thick portion 317B of the bent portion covering portion 326. Since the closed thick portion is formed, the rigidity of the resin member 300 can be improved as compared with the case where the thick portion 317 is not provided. Thereby, the rigidity of the support member 20 can be improved.

Further, in the form shown in FIG. 15, the seating sensor 30 is arranged inside the region surrounded by the front side portion of the bent portion covering portion 326 and the first thick portion 317A. According to such a configuration, the seating sensor 30 is arranged inside the highly rigid portion reinforced by the third vertical wire 130 of the resin member 300 and the thick portion 317, so that the seating sensor 30 is arranged. The mounting rigidity can be improved. In the above description, the bead-shaped thick portion 317 is exemplified as the thick portion, but the present invention is not limited to this. In other words, the thick portion may be a portion having a thickness larger than that of the surrounding portion, and the shape is not particularly limited. Further, FIG. 15 illustrates a configuration in which the third vertical wire 130 as the erection wire has the first parallel portion 131, the second parallel portion 132, and the bent portion 133, but the present invention is not limited to this. For example, the reinforcing wire may have a first parallel portion, a second parallel portion and a bent portion, and both the erection wire and the reinforcing wire have a first parallel portion, a second parallel portion and a bent portion. May be.

Further, in the above embodiment, one bent portion 113 is formed on each of the left and right first vertical wires 110, but the present invention is not limited to this, and a plurality of bent portions 113 may be formed.

Further, in the above embodiment, a part of the first wire portion 211 as the first reinforcing wire is arranged after the ischium position SP, but the present invention is not limited to this, and the first wire portion 211 may be arranged before the ischium position SP. good. Further, the entire first wire portion 211 may be arranged before or after the ischium position SP.

Further, in the above embodiment, the first horizontal wire 210 includes a first wire portion 211 and a first support portion 212 as a first reinforcing wire rod, and two second wire portions 213 as a second reinforcing wire rod. It was composed of one wire, but it is not limited to this. For example, the wire rods constituting the first wire portion 211 and the first support portion 212 as the first reinforcing wire rod and the two wire rods constituting the two second wire portions 213 as the second reinforcing wire rod are separate parts. It may be provided as. Further, when the wire rod constituting the first reinforcing wire rod and the wire rod constituting the second reinforcing wire rod are provided as separate parts, the second reinforcing wire rod is composed of one wire rod instead of two wire rods. May be. In addition, as in the above-described embodiment, by configuring the first reinforcing wire and the second reinforcing wire to be composed of one wire, the case where the first reinforcing wire and the second reinforcing wire are made of different wires is compared with the case where the first reinforcing wire and the second reinforcing wire are made of different wires. Since the number of wire rods can be reduced, the number of parts of the vehicle seat S can be reduced.

Further, in the above-described embodiment, the first support portion 212 extends in the front-rear direction over the front-rear extension portions 111 and 112, and is arranged below the front-rear extension portions 111 and 112. Was supported from below, but it is not limited to this. For example, the first support portion extends in the left-right direction and is arranged so as to intersect the lower side of one of the front extension portion 111 and the rear extension portion 112, and the one is supported from the lower side. May be good. Further, the first reinforcing wire may be configured not to have a first support portion.

Further, in the above embodiment, the second horizontal wire 220 as the reinforcing wire has a central portion 221 (second portion) and a first intermediate portion 222 (third portion), and the first intermediate portion 222 is the first. The configuration is non-parallel to the front inclined portion 124 (first portion) of the two vertical wires 120 (erection wire), but the present invention is not limited to this. For example, instead of the reinforcing wire, the erection wire may have a second portion and a third portion, and the third portion of the erection wire may be non-parallel to the first portion of the reinforcing wire. .. In this case, in order to improve the rigidity of the support member, the resin member has a first covering portion that covers the first portion of the reinforcing wire, a second covering portion that covers the third portion of the erection wire, a first covering portion, and a first portion. It is desirable to have a configuration having a connecting portion connecting the two covering portions.

Further, in the above-described embodiment, the erection wire 100 and the reinforcing wire 200 are entirely covered with the resin member 300, but the present invention is not limited to this, and a part thereof may be exposed to the outside. For example, the erection wire 100 and the reinforcing wire 200 are covered and connected by a resin member in a state where the intersecting portions do not come into contact with each other, and other portions such as the bent portion 113 are covered with the resin member. It may not have a configuration.

Further, in the above-described embodiment, the wire covering portion 320 is convex to the upper side on the seater side, but is not limited to this, and is, for example, convex to the lower side opposite to the seater side. May be. Further, the wire covering portion 320 may be convex on both the upper side and the lower side.

Further, in the above embodiment, the description has been made on the premise that the frame contact portion 370 of the support member 20 and the position restricting surface 14A of the pan frame 14 are in direct contact with each other, but the description is not limited thereto. For example, to explain with reference to FIG. 11, rubber, felt, or the like is arranged on at least one of the contact surface 371 and the position regulation surface 14A of the frame contact portion 370, and the frame contact portion 370 and the position regulation surface 14A are connected to each other. The contact may be made through rubber, felt, or the like. According to this, it is possible to reduce the sound and impact when the contact surface 371 and the position restricting surface 14A come into contact with each other.

Further, in the above embodiment, the frame contact portion 370 is provided so as to project upward from the front hooking portion 350, but the present invention is not limited to this, and for example, the frame hit portion projecting upward from the resin member. The contact portion may not be provided, and the outer surface of the front hooking portion in the left-right direction may be used as the frame contact portion. Further, in the above embodiment, the position restricting surface 14A and the frame contact portion 370 are provided on the front side of the cushion frame F1 and the support member 20, but the present invention is not limited to this, and may be provided on the rear side, for example. Further, the position limiting surface and the contact surface may be surfaces that are substantially orthogonal to each other in the left-right direction. Further, the frame having the position restricting surface and the frame on which the support member is hooked may be the same member.

Further, in the above embodiment, the blower 40 has a front side portion attached to the support member 20 via the bracket 60 and a rear side portion directly attached to the support member 20, but the present invention is not limited to this. For example, the blower may be entirely attached to the bracket and attached to the support member via the bracket. Further, the entire blower device may be directly attached to the support member 20.

Further, in the above embodiment, the blower device 40 is arranged under the inclined portion 312, but the present invention is not limited to this, and for example, to explain with reference to FIG. 14, the blower device is located under the horizontal portion 311. It may be arranged. Further, in the above-described embodiment, the front side portion of the blower device 40 is arranged on the lower side of the front frame 12, but the present invention is not limited to this, and for example, the rear side portion which is a part is the first connecting frame. It may be arranged under the rear frame 13 as another example.

Further, in the above embodiment, the sirocco fan is exemplified as the blower device 40, but the present invention is not limited to this, and for example, a propeller fan or a turbo fan may be used. Further, in the above embodiment, the vehicle seat S is configured to blow out air by the operation of the blower device 40, but is not limited to this, and is configured to suck in air by the operation of the blower device, for example. You may. Further, the blower device may be capable of switching between blower and suction by switching the rotation direction of the impeller, for example.

Further, in the above embodiment, the cushion frame F1 is exemplified as the frame member, but the frame member is not limited to this, and for example, the frame member may be a back frame constituting the frame of the seat back S2. That is, in the vehicle seat S, a plate-shaped support member including an erection wire, a reinforcing wire, and a resin member is arranged inside a frame-shaped back frame, and the seat has the same configuration as the seat cushion S1 of the embodiment. The configuration may be applied to the back S2. In the configuration in which the support member is arranged inside the back frame, the front side corresponds to the "seat side" and the rear side corresponds to the "opposite side to the seater side". Further, in the configuration in which the support member is arranged inside the back frame and the side frames of the back frame are adopted as the pair of facing frames, the vertical direction is "orthogonal to the facing direction (horizontal direction) of the pair of facing frames". Corresponds to "orthogonal direction".

Further, the vehicle seat S has a configuration in which the support member is arranged inside the back frame, and there are cases where upper and lower frames of the frame-shaped back frame can be adopted as a pair of facing frames. Further, in the configuration in which the support member is arranged inside the cushion frame as in the above-described embodiment, the frames before and after the frame-shaped cushion frame may be adopted as a pair of facing frames. In such a case, the left and right frames of the back frame and the cushion frame can be used as a connecting frame. Further, as the vehicle seat S, for example, a configuration in which the erection wire material is erected on the rear frame 13 and the pan frame 14 may be adopted.

Further, in the above embodiment, the support member 20 is configured to include the erection wire 100, the reinforcing wire 200, and the resin member 300, but the present invention is not limited thereto. For example, the support member may be configured not to include a reinforcing wire. Further, as the support member, a support member made of only an erection wire, a plate-shaped support member made of only resin, a support member made of sheet metal, or the like may be adopted.

Further, in the above-described embodiment, the vehicle seat S mounted on an automobile is exemplified as a vehicle seat, but the present invention is not limited to this, and the seat is mounted on a vehicle other than an automobile, for example, a railroad vehicle, a ship, or an aircraft. May be.

Further, each element described in the above-described embodiment and modification may be arbitrarily combined and carried out.

11 Side frame 12 Front frame 13 Rear frame 30 Seating sensor 100 Elevating wire 110 1st vertical wire 111 Front extension 112 Rear extension 120 2nd vertical wire 121 3rd extension 124 Front slope 200 Reinforcing wire 210 1st horizontal wire 211 1st wire part 212 1st support part 213 2nd wire part 220 2nd horizontal wire 221 Central part 222 1st intermediate part 300 Resin member 310A Connection part 313 Rib 313A 1st rib 313B 2nd rib 320 Wire rod Covering part 321 1st vertical wire covering part 322 2nd vertical wire covering part 322A 1st covering part 323 1st horizontal wire covering part 324 2nd horizontal wire covering part 324A 2nd covering part 331 Mounting hole F1 Cushion frame S Vehicle seat

Claims (6)

A pair of facing frames arranged apart from each other in a facing state,
A pair of connecting frames arranged apart from each other in an orthogonal direction orthogonal to the facing direction of the pair of facing frames and connecting the pair of facing frames.
A pair of hooking portions to be hooked on the pair of connecting frames, a base portion arranged between the pair of hooking portions, and diagonally from the left and right sides of the base portion to the left and right outside and toward the occupant side. A plate-shaped member having left and right support portions extending to
The erection wire rod erected on the pair of connecting frames is provided.
The base portion has a base extending portion and an inclined portion extending obliquely from the orthogonal end of the base extending portion with respect to the base extending portion.
The left and right support portions extend from both the left and right sides of the base extending portion and the inclined portion .
The plate-shaped member is made of resin and is made of resin.
The erection wire has a pair of hook-shaped portions corresponding to the pair of hook-shaped portions, and is covered with the plate-shaped member and integrally formed with the plate-shaped member. .. The surface of the left and right support portions on the seater side, the surface of the base extending portion on the seater side, and the surface of the inclined portion on the seater side are continuously formed with each other. The vehicle seat according to claim 1. The vehicle sheet according to claim 1 or 2 , wherein the erection wire is entirely covered with the plate-shaped member. Further provided with a reinforcing wire arranged so as to intersect the erected wire when viewed from the seated side.
In the reinforcing wire, a region where a portion intersecting with the erection wire is located between one end of the left and right support portions in the orthogonal direction and the other end of the left and right support portions in the orthogonal direction in the orthogonal direction. The vehicle seat according to any one of claims 1 to 3, further comprising a first reinforcing wire rod located in. The vehicle seat according to claim 4 , wherein the first reinforcing wire is arranged in the region in the orthogonal direction. The reinforcing wire includes a second reinforcing wire provided so as to be aligned with the first reinforcing wire in the orthogonal direction.
The vehicle seat according to claim 4 or 5 , wherein both the first reinforcing wire and the second reinforcing wire are arranged in the region in the orthogonal direction.

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