JP2022190117A - Vehicular sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular sheet capable of improving seating comfortability.

SOLUTION: A vehicular sheet includes: right and left side frames 11 arranged so as to be separated in a lateral direction; a front frame 12 and a rear frame 13 which are arranged so as to be separated in a longitudinal direction and connect the right and left side frames 11; a first vertical wire 110 and a second vertical wire 120 stretched over the front frame 12 and the rear frame 13; a reinforcement wire material 200 arranged so as to cross at least the second vertical wire 120 when viewed from the upper side; a first plate-like resin member 310 connecting the first vertical wire 110 and the reinforcement wire material 200 in a state of covering a part of the first vertical wire 110 and a part of the reinforcement wire material 200, and a second plate-like resin member 320 connecting the second vertical wire 120 and the reinforcement wire material 200 in a state of covering a part of the second vertical wire 120 and a part of the reinforcement wire material 200. The first resin member 310 and the second resin member 320 are arranged so as to be separated from each other.

SELECTED DRAWING: Figure 2

COPYRIGHT: (C)2023,JPO&INPIT

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat provided with a support member that receives a load from an occupant.

As a vehicle seat, for example, Patent Literature 1 discloses a frame-shaped cushion frame, two front and rear wires installed between a front panel and a rear pipe of the cushion frame, and two front and rear wires arranged to cross each other. Disclosed is one with a central wire and bridging wires. In this technique, wires (wire rods) arranged inside the cushion frame function as members that receive the load from the seated person via the cushion pad.

JP 2014-162431 A

By the way, it is desired that a member that receives a load from a seated person (hereinafter referred to as a "supporting member") has a configuration that can improve the sitting comfort of the vehicle seat.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a vehicle seat capable of improving sitting comfort.
Another object of the present invention is to prevent the pad material from being damaged.

In order to achieve the above object, the vehicle seat of the present invention comprises a pair of opposed frames spaced apart in a first direction and a pair of frames spaced apart in a second direction orthogonal to the first direction. A pair of connection frames that connect the opposing frames, a first installation wire and a second installation wire that are installed on the pair of connection frames, and a reinforcing wire arranged to intersect at least the second installation wire when viewed from the seated person side. a plate-shaped first resin member that connects the first installation wire and the reinforcing wire while covering a part of the first installation wire and a part of the reinforcing wire; and a part of the second installation wire and the reinforcing wire. A plate-shaped second resin member that connects the second installation wire and the reinforcing wire in a partially covered state is provided. The first resin member and the second resin member are arranged apart from each other.

According to such a configuration, the support member that receives the load from the seated person can be composed of the first installation wire, the second installation wire, the reinforcing wire, the first resin member, and the second resin member. Further, since the first resin member and the second resin member are plate-shaped, the load from the seated person can be received on the surface. In addition, since the first resin member and the second resin member are spaced apart from each other, the support member can be given appropriate flexibility. As a result, it is possible to improve the sitting comfort of the vehicle seat.

In the vehicle seat described above, the first construction wire and the first resin member may be provided on both sides of the second construction wire and the second resin member in the first direction. In this case, the second resin member may include a third resin member having a pair of connecting portions connected to the reinforcing wire. And a pair of connection part can be set as the structure arrange|positioned at the same position in a 2nd direction.

According to this, the seated person can be stably supported by the second resin member including the third resin member and the first resin members provided on both sides of the second resin member. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the reinforcing wire includes a first extension portion extending in the first direction and a pair of second extension portions extending from both ends of the first extension portion while being bent in one direction in the second direction. The third resin member is arranged between the pair of second extension portions when viewed from the seated person side, and the pair of connecting portions includes one of the pair of second extension portions. and the other is connected to the other of the pair of second extensions.

According to this, since the seated person can be firmly supported by the third resin member, the seated person can be more stably supported by the support member. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the first resin member includes a first portion extending in the first direction and a second portion extending from a part of the end of the first portion on the second construction wire side toward the second construction wire. At least a part of the second extension part of the reinforcing wire is arranged at a corner between the first part and the second part, and both side parts of the part arranged at the corner of the second extension part is covered and held by the first portion and the second portion.

According to this, since the mounting rigidity of the third resin member can be improved, the third resin member can more firmly support the seated person, and the support member can more stably support the seated person. can. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the reinforcing wire extends in the first direction and includes a second reinforcing portion arranged in parallel with the first reinforcing portion in the second direction, and the second reinforcing portion is an end portion in the first direction. is covered and held by the first resin member.

According to this, the supporting member can be strongly reinforced by the first reinforcing portion and the second reinforcing portion, so that the seated person can be more stably supported by the supporting member. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the first reinforcing portion and the second reinforcing portion may be configured by a single wire rod.

According to this, the support member can be reinforced more firmly, so that the support member can further stably support the seated person. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the first direction is the left-right direction, and the first resin members each have a support portion including a support surface that inclines so as to be positioned toward the seated person as it goes outward in the left-right direction, The third resin member may be arranged between the left and right support portions when viewed from the seated occupant.

According to this, since the surface of the support member that supports the seated person can conform to the shape of the human body, the support member can support the seated person in a well-balanced manner. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, at least one of the first resin member and the second resin member may have a thick reinforcing portion.

According to this, the rigidity of the first resin member and the second resin member can be improved, so that the seated person can be stably supported by the first resin member and the second resin member. Thereby, the sitting comfort of the vehicle seat can be further improved.

In the vehicle seat described above, the reinforcing portion may include a rib that protrudes toward the side opposite to the seated occupant.

According to this, since the edge of the rib does not come into contact with the pad material arranged on the seated person side of the first resin member and the second resin member, it is possible to suppress damage to the pad material.

The vehicle seat described above is made of resin and includes a first covering member covering a portion of the first installation wire that is hooked to the connection frame, and the first resin member and the first covering member are spaced apart from each other. A part of the first installation wire may be exposed between the first resin member and the first covering member.

The vehicle seat described above is made of resin and includes a second covering member that covers a portion of the second installation wire that is hooked to the connecting frame, and the second resin member and the second covering member are spaced apart from each other. A part of the second installation wire may be exposed between the second resin member and the second covering member.

According to the present invention, it is possible to improve the sitting comfort of the vehicle seat.

Further, according to the present invention, the first construction wire and the first resin member are provided on both sides of the second construction wire and the second resin member, and the pair of connecting portions of the third resin member that constitutes the second resin member is the second resin member. By arranging them in the same position in two directions, it is possible to further improve the sitting comfort of the vehicle seat.

Further, according to the present invention, the third resin member is arranged between the pair of second extension portions of the first reinforcement portion, one of the pair of connection portions is connected to one of the second extension portions, and the other is connected to one of the second extension portions. is connected to the other of the second extending portions, the seating comfort of the vehicle seat can be further improved.

Further, according to the present invention, at least part of the second extension is arranged in the corner between the first part and the second part of the first resin member, and the corner arrangement part of the second extension is By covering and holding both side portions with the first portion and the second portion, it is possible to further improve the sitting comfort of the vehicle seat.

Further, according to the present invention, by covering and holding the end portion of the second reinforcing portion arranged in parallel with the first reinforcing portion with the first resin member, the sitting comfort of the vehicle seat can be further improved. can.

Further, according to the present invention, the sitting comfort of the vehicle seat can be further improved by forming the first reinforcing portion and the second reinforcing portion from one wire rod.

Further, according to the present invention, by arranging the third resin member between the left and right support portions of the first resin member, it is possible to further improve the sitting comfort of the vehicle seat.

Further, according to the present invention, by providing the reinforcing portion in at least one of the first resin member and the second resin member, it is possible to further improve the sitting comfort of the vehicle seat.

Further, according to the present invention, the reinforcing portion includes a rib that protrudes toward the side opposite to the seated person, so that damage to the pad material can be suppressed.

It is a figure showing a vehicle seat concerning an embodiment. It is a figure which shows a cushion frame and a support member. It is a figure which shows an erection wire and a reinforcement wire. It is a figure which shows a support member. It is the figure which looked at the support member from the upper side. It is the figure which looked at the rear-end part of the support member from the upper side. It is the figure which looked at the support member from the lower side. It is the figure which looked at the rear-end part of the support member which concerns on a 1st modification from the upper side. It is the figure which looked at the rear-end part of the support member which concerns on a 2nd modification from the upper side. It is the figure (a), (b) which shows the connection part which concerns on a modification.

Embodiments of the invention will be described below with reference to the accompanying drawings. In this specification, the front, rear, left, right, and top and bottom refer to the front, back, left, right, and top and bottom as seen from a person sitting on the seat (seated person).
As shown in FIG. 1, the vehicle seat of this embodiment is configured as a vehicle seat S used in a driver's seat or a passenger's seat of an automobile, and includes a seat cushion S1 and a seat back S2.

Inside the seat cushion S1, a cushion frame F1 as shown in FIG. 2, which constitutes the frame of the seat cushion S1, is incorporated. The seat cushion S1 is configured by covering a cushion frame F1 with a pad material such as urethane foam and a skin material such as cloth or leather. Although not shown, the seat back S2 is constructed by covering a back frame, which constitutes 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 an example of a pair of opposing frames, a front frame 12 and a rear frame 13 as an example of a pair of connecting frames, and a pan frame 14 . In this embodiment, the left-right direction corresponds to the "first direction", and the front-rear direction corresponds to the "second direction perpendicular to the first direction". Further, in the present embodiment, the upper side corresponds to the "seat occupant side" and the lower side corresponds to the "opposite side to the occupant side".

The left and right side frames 11 are elongated frames that are long in the front-rear direction, and are spaced apart while facing each other in the left-right direction. Each side frame 11 is made of sheet metal.
The front frame 12 and the rear frame 13 are spaced apart in the front-rear direction. The front frame 12 and the rear frame 13 are made of metal pipe material extending left and right. connect them together.
The pan frame 14 is arranged to connect the front ends of the left and right side frames 11 to each other. The pan frame 14 is made of sheet metal.

A support member 20 is arranged between the left and right side frames 11 . The support member 20 is a member that receives a load from a seated person via a pad material (not shown) of the seat cushion S1, and includes an installation wire rod 100, a reinforcing wire rod 200, a plate-shaped resin member 300, and a covering member 400. configured with. Although the details will be described later, the installation 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 construction wire 100 and the reinforcement wire 200 by insert molding or the like while covering a part of the construction wire 100 and a part of the reinforcement wire 200 . The covering member 400 is made of resin, and is integrally formed with the construction wire 100 by insert molding or the like to cover the rear end portion of the construction wire 100 .

As shown in FIG. 3 , the construction wire rod 100 is constructed between the front frame 12 and the rear frame 13 . A plurality of installation wires 100 are provided side by side. Specifically, the construction wire 100 includes left and right first vertical wires 110 as the first construction wire and second vertical wires 120 as the second construction wire.
The first vertical wire 110 is spaced apart from the left and right, and includes a first extending portion 111, a second extending portion 112, a bent portion 113, a first inclined portion 114, a first hook portion 115, It has a second inclined portion 116 and a second hook portion 117 .

The first extending portion 111 and the second extending portion 112 extend forward and backward.
The bent portion 113 is positioned between the first extension portion 111 and the second extension portion 112 and protrudes obliquely upward in the left-right direction from the extension portions 111 and 112 in a substantially U shape. .
The first inclined portion 114 extends diagonally forward and upward from the front end of the first extension portion 111 , and the second inclined portion 116 extends diagonally upward and rearward from the rear end of the second extension portion 112 . .
The first hook portion 115 extends from the front end of the first inclined portion 114 and is formed in a generally arcuate shape that protrudes upward, and the second hook portion 117 extends from the upper end of the second inclined portion 116 to It is formed in a substantially arc shape.

The second longitudinal wire 120 is disposed between the left and right first longitudinal wires 110 and includes an extension portion 121, a first slant portion 124, a first hook portion 125, a second slant portion 126 and a second hook. and a portion 127 .
The extending portion 121 extends in the front-rear direction and is arranged substantially parallel to the extending portions 111 and 112 of the left and right first longitudinal wires 110 . Also, the first inclined portion 124 and the first hook portion 125 are formed in substantially the same shape as the first inclined portion 114 and the first hook portion 115 of the first vertical wire 110, and the second inclined portion 126 and the second hook portion are formed to have substantially the same shape. 127 is formed in substantially the same shape as the second inclined portion 116 and the second hook portion 117 of the first vertical wire 110 .

The reinforcing wire 200 is arranged to cross at least the second vertical wire 120 when viewed from above. A plurality of reinforcing wires 200 are provided side by side in the front-rear direction. Specifically, the reinforcing wire 200 includes a first horizontal wire 210 , a second horizontal wire 220 and a third horizontal wire 230 .
The first horizontal wire 210 is formed by bending one wire into a ring shape, and includes a first reinforcement portion 211, a second reinforcement portion 212, a connection portion 213, a first end portion 215, and a second end portion. 216.

The first reinforcement portion 211 includes a first extension portion 211A extending in the left-right direction, and a pair of second extension portions 211B extending from both left and right ends of the first extension portion 211A while bending forward, which is one of the front-rear directions. have. The second extension portion 211B extends obliquely forward in the left-right direction from the end of the first extension portion 211A and is connected to the connection portion 213 or the front end of the first end portion 215 . The first reinforcing portion 211 is arranged above the extending portion 121 of the second vertical wire 120 while intersecting the center portion of the extending portion 121 in the front-rear direction.

The second reinforcing portion 212 extends in the left-right direction and is arranged side by side with the first reinforcing portion 211 in the front-rear direction. Specifically, the second reinforcing portion 212 is arranged behind the first reinforcing portion 211 . The second reinforcing portion 212 is arranged above the extending portion 121 of the second vertical wire 120 while crossing the extending portion 121 .

The connecting portion 213 extends in the front-rear direction and connects the right ends of the first reinforcing portion 211 and the second reinforcing portion 212 .
The first end portion 215 is bent from the left end of the first reinforcing portion 211 and extends rearward, and the second end portion 216 is bent from the left end of the second reinforcing portion 212 and extends frontward. . The first end portion 215 and the second end portion 216 are arranged side by side in the front-rear direction, and face each other in the front-rear direction with the rear end surface of the first end portion 215 and the front end surface of the second end portion 216 being close to each other.

The front and rear ends of the connecting portion 213 are arranged below the extending portions 111 and 112 . Also, the first end 215 is positioned below the first extension 111 of the left first longitudinal wire 110 at the front end, and the second end 216 is positioned at the rear end of the left first longitudinal wire. It is arranged below the second extension 112 of 110 . Thereby, the first horizontal wire 210 supports the extending portions 111 and 112 and the bending portion 113 of the first vertical wire 110 from below via the resin forming the resin member 300 .

The second horizontal wire 220 is arranged in front of the first horizontal wire 210 and has a crossing portion 221 and an end portion 222 .
The intersection 221 extends left and right. The intersecting portion 221 is arranged above the first inclined portion 124 of the second longitudinal wire 120 in a state where the crossing portion 221 intersects the first inclined portion 124 of the second longitudinal wire 120 at its central portion in the left-right direction, and the end portion thereof extends along the first extension of the first longitudinal wire 110 . It is arranged above the first extension portion 111 while intersecting with the portion 111 .
The ends 222 are bent from the left and right ends of the intersection 221 and extend rearward.

The third horizontal wire 230 is positioned in front of the second horizontal wire 220 and has a central portion 231 , a first intermediate portion 232 , a second intermediate portion 233 and end portions 234 .
The central portion 231 extends left and right and is arranged above the first inclined portion 124 of the second longitudinal wire 120 while intersecting the first inclined portion 124 .
The first intermediate portion 232 is bent from the left and right ends of the central portion 231 and extends rearward.
The second intermediate portion 233 is bent from the rear end of the first intermediate portion 232 and extends outward in the left-right direction. The laterally outer end portion of the second intermediate portion 233 is arranged above the first inclined portion 114 of the first vertical wire 110 while crossing the first inclined portion 114 .
The end portion 234 is bent from the left-right direction outer end of the second intermediate portion 233 and extends forward.

As shown in FIG. 2 , resin member 300 includes first resin member 310 and second resin member 320 . The first resin member 310 connects the first vertical wire 110 and the reinforcing wire 200 while covering part of the first vertical wire 110 and part of the reinforcing wire 200 . In addition, the second resin member 320 connects the second vertical wire 120 and the reinforcing wire 200 while covering part of the second vertical wire 120 and part of the reinforcing wire 200 . The construction wire rod 100 and the reinforcement wire rod 200 are arranged with a predetermined gap therebetween so that the overlapping portions do not contact each other when viewed from above, and the resin member 300 covers the construction wire rod 100 and the reinforcement wire rod 200 in this state. are concatenated. Therefore, the resin member 300, more specifically, the resin forming the resin member 300, enters and intervenes in the gap between the portion of the construction wire 100 overlapping the reinforcing wire 200 and the portion of the reinforcing wire 200 overlapping the construction wire 100. doing.

As shown in FIG. 4 , the first resin member 310 is provided along with the first vertical wire 110 on each side of the second vertical wire 120 and the second resin member 320 in the left-right direction. The left and right first resin members 310 each have a body portion 311 as a first portion, an extension portion 312 as a second portion, and a hook portion 315 .

As shown in FIG. 5, the body portion 311 extends in the front-rear direction. The body portion 311 includes the extension portions 111 and 112 of the first vertical wire 110, the bent portion 113, the lower ends of the first inclined portion 114 and the second inclined portion 116, and the connection portion 213 or end portion of the first horizontal wire 210. 215 , 216 , the end 222 of the second transverse wire 220 , and a portion of the second intermediate section 233 and the end 234 of the third transverse wire 230 . Further, the body portion 311 has a support portion 313 . The support portion 313 is a plate-like portion that covers the bent portion 113 and extends obliquely upward in the left-right direction, and is provided at the rear portion of the main body portion 311 . The upper surface of the support portion 313 is a support surface 313A that inclines so as to be positioned upward toward the outer side in the left-right direction (see also FIG. 4).

The extending portion 312 extends from a part of the end of the body portion 311 on the side of the second vertical wire 120 toward the second vertical wire 120 . Specifically, the extending portion 312 extends inward in the left-right direction from the rear portion of the main body portion 311 . More specifically, the extending portion 312 extends inward in the left-right direction from the rear portion of the supporting portion 313 . The extending portion 312 covers the left and right ends of the first extending portion 211A of the first reinforcing portion 211, the rear end portion of the second extending portion 211B, and the left and right ends of the second reinforcing portion 212. there is

As shown in an enlarged view in FIG. 6, the first resin member 310 has a corner portion 314 between the front end of the extension portion 312 and the inner end of the body portion 311 (support portion 313) in the left-right direction. there is
The front end of the second extension 211B of the first horizontal wire 210 is arranged at the corner 314 . The first horizontal wire 210 has a portion arranged at a corner portion 314 of the second extension portion 211B, that is, both side portions of the front end portion of the second extension portion 211B are covered by the main portion 311 and the extension portion 312. are held. Specifically, in the first horizontal wire 210, the connecting portion 213 or the first end portion 215, which is one side of the front end portion of the second extending portion 211B, is covered with the body portion 311, and the second extending portion 211B is covered with the main portion 311. A rear end portion of the second extension portion 211</b>B, which is the other side of the front end portion, is covered with the extension portion 312 . In addition, the second reinforcing portion 212 of the first horizontal wire 210 is held by being covered with the extending portion 312 of the first resin member 310 at the lateral ends thereof.

Returning to FIG. 5, the second resin member 320 is provided within the front-to-rear width of the vertical wires 110, 120, more specifically, between the front and rear ends of the vertical wires 110, 120 in the front-to-rear direction. In addition, a plurality of second resin members 320 are provided side by side in the front-rear direction. Specifically, the second resin member 320 includes a third resin member 330 , a fourth resin member 340 and a fifth resin member 350 .

The fourth resin member 340 includes a portion of the extending portion 121 of the second vertical wire 120 and the lower end portion of the second inclined portion 126, and the first reinforcing portion 211 (first extending portion 211A) of the first horizontal wire 210. and the central portion of the second reinforcing portion 212 in the left-right direction.
The fourth resin member 340 and the left and right first resin members 310 are arranged apart from each other. More specifically, the fourth resin member 340 is arranged between the left and right first resin members 310, more specifically, between the left and right extending portions 312 when viewed from above, and between the extending portions 312. It is spaced inward in the left-right direction from the extending portion 312 so as to form a slit-like gap in the . The left and right first resin member 310 and the fourth resin member 340 are connected by the first horizontal wire 210 . Part of the front and rear reinforcing portions 211 and 212 of the first horizontal wire 210 is exposed between the first resin member 310 and the fourth resin member 340 .

As shown in FIG. 6 , the third resin member 330 is arranged on the front side of the fourth resin member 340 and has a body portion 331 and a pair of left and right connecting portions 332 .
The body portion 331 extends left and right. A central portion in the left-right direction of the body portion 331 partially covers the extending portion 121 of the second vertical wire 120 .
The connection part 332 is a part connected to the first horizontal wire 210 . Specifically, the connecting portion 332 is connected to the first horizontal wire 210 while covering the front end portion of the second extending portion 211B of the first horizontal wire 210 . The third resin member 330 is formed substantially symmetrically, and the pair of connecting portions 332 are arranged at the same positions in the front-rear direction. The third resin member 330 is arranged between the pair of second extension portions 211B when viewed from above, and one of the pair of connecting portions 332 is connected to one of the pair of second extension portions 211B. and the other is connected to the other of the pair of second extensions 211B. Specifically, the right connecting portion 332 is connected to the right second extending portion 211B, and the left connecting portion 332 is connected to the left second extending portion 211B.

The third resin member 330 and the left and right first resin members 310 are arranged apart from each other. Specifically, the third resin member 330 is arranged between the left and right first resin members 310, more specifically, between the left and right support portions 313 when viewed from above, and extends inward from the support portion 313 in the left-right direction. are provided separately. In addition, the third resin member 330 has left and right end portions including the connecting portion 332 arranged in front of the extension portion 312 when viewed from above, and is spaced forward from the extension portion 312 . The left and right first resin member 310 and the third resin member 330 are connected by the first horizontal wire 210 . A portion of the first reinforcing portion 211 of the first horizontal wire 210 is exposed between the first resin member 310 and the third resin member 330 . In addition, the third resin member 330 and the fourth resin member 340 are arranged apart from each other in the front-rear direction. It is exposed between the resin members 340 .

As shown in FIG. 5 , the fifth resin member 350 is arranged on the front side of the third resin member 330 and has a body portion 351 and a hook portion 355 .
The body portion 351 covers part of the first inclined portion 124 of the second vertical wire 120 and mainly the central portion 231 and the left and right first intermediate portions 232 of the third horizontal wire 230 .
The fifth resin member 350 and the left and right first resin members 310 are arranged apart from each other. More specifically, the fifth resin member 350 is arranged between the left and right first resin members 310, more specifically, between the front portions of the main body portion 311 when viewed from the upper side, and is positioned inside the main body portion 311 in the left-right direction. are spaced apart. The left and right first resin member 310 and fifth resin member 350 are connected by a third horizontal wire 230 . Part of the second intermediate portion 233 of the third horizontal wire 230 is exposed between the first resin member 310 and the fifth resin member 350 . In addition, the fifth resin member 350 and the third resin member 330 are spaced apart from each other in the front-rear direction, and the second vertical wire 120 has a part of the first inclined portion 124 that is separated from the third resin member 330 and the third resin member 330 . 5 is exposed between the resin members 350 .

As shown in FIG. 4, the hooking portion 355 and the hooking portion 315 of the first resin member 310 are portions hooked to the front frame 12 (see FIG. 2) of the support member 20, and are made of pipe material. It is formed in a generally arcuate cross-sectional view along the shape of the outer peripheral surface of the frame 12 . The hooking portion 315 covers the first hook portion 115 , which is the portion of the first vertical wire 110 hooked to the front frame 12 , and the hooking portion 355 hooks the second vertical wire 120 to the front frame 12 . It covers the first hook portion 125 which is the portion to be stopped.

As shown in FIGS. 4 and 7, the first resin member 310, the third resin member 330, the fourth resin member 340 and the fifth resin member 350 have ribs 316, 317A, 317B, 336, 346, 357A and 357B. The first resin member 310, the third resin member 330, the fourth resin member 340, and the fifth resin member 350 have ribs 316, 317A, 317B, 336, 346, 357A, and 357B. It is thicker than the part where is not provided).

As shown in FIG. 6 , the ribs 316 , 346 are positioned in front of and behind the second reinforcing portion 212 of the first horizontal wire 210 and extend from the extending portion 312 of the first resin member 310 or the upper surface of the fourth resin member 340 . It is formed so as to protrude upward from the bottom (see also FIG. 4). The ribs 316 and 346 extend in the front-rear direction and are arranged side by side in the left-right direction.

Further, the rib 336 is formed so as to protrude upward from the upper surface of the main body portion 331 of the third resin member 330 (see FIG. 4). The ribs 336 include a pair of ribs 336A projecting from the front and rear ends of the body portion 331 and extending in the left and right direction, and ribs 336B, 336C, and 336D arranged between the pair of ribs 336A in the front and rear direction. The ribs 336B extend in the front-rear direction and are provided on the left and right ends of the body portion 331 one by one. The ribs 336C and 336D are arranged between the pair of ribs 336B in the left-right direction. The rib 336C extends obliquely away from the second longitudinal wire 120 (the center of the support member 20) as it goes forward. Further, the rib 336D obliquely extends toward the second longitudinal wire 120 as it goes forward, and intersects the corresponding one rib 336C in a cross shape.

As shown in FIG. 7, the ribs 317A and 317B are provided so as to protrude downward from the lower surface of the support portion 313 of the first resin member 310 . Further, the ribs 357A and 357B are provided so as to protrude downward from the lower surface of the body portion 351 of the fifth resin member 350 . The ribs 317A and 357A extend in the front-rear direction and are arranged side by side in the left-right direction. Moreover, the ribs 317B and 357B extend left and right, and are arranged side by side in the front-rear direction. Ribs 317A and 317B cross each other. Also, the ribs 357A and 357B intersect each other.

As shown in FIG. 4, the covering member 400 includes a first covering member 410 and a second covering member 420. As shown in FIG.
The first covering member 410 and the second covering member 420 are portions of the support member 20 that are hooked to the rear frame 13 (see FIG. 2), and are made of a pipe material and have a cross section along the shape of the outer peripheral surface of the rear frame 13 . It is formed in a substantially circular arc shape. The first covering member 410 covers the second hook portion 117 of the first vertical wire 110 hooked to the rear frame 13 , and the second covering member 420 covers the rear frame 13 of the second vertical wire 120 . It covers the second hook portion 127, which is the portion to be hooked on. In this embodiment, since the front and rear hook portions 115, 117, 125, 127 of the vertical wires 110, 120 are covered with resin (the resin member 300 or the coating member 400), metal members are in direct contact with each other. Compared to the case, it is possible to suppress the generation of sound.

The first resin member 310 and the first covering member 410 are arranged apart from each other and are not directly connected. As a result, part of the first vertical wire 110 , more specifically, the upper end of the second inclined portion 116 is exposed between the first resin member 310 and the first covering member 410 . Similarly, the second resin member 320 and the second covering member 420 are arranged apart from each other and are not directly connected. As a result, part of the second vertical wire 120 , more specifically, the upper end of the second inclined portion 126 is exposed between the second resin member 320 and the second covering member 420 .

According to the present embodiment described above, the support member 20 that receives the load from the seated person can be composed of the construction wire rod 100 , the reinforcing wire rod 200 , the first resin member 310 and the second resin member 320 . Since the first resin member 310 and the second resin member 320 are plate-shaped, they can receive the load from the seated person. In addition, since the first resin member 310 and the second resin member 320 are arranged apart from each other and are not directly connected, for example, compared to the case where the entire construction wire rod 100 and the reinforcing wire rod 200 are covered with a plate-like resin. As a result, the support member 20 can be given appropriate flexibility. Thereby, the sitting comfort of the vehicle seat S can be improved.

In addition, the first vertical wire 110 and the first resin member 310 are provided on both sides of the second vertical wire 120 and the second resin member 320 in the left-right direction, and the pair of connecting portions 332 of the third resin member 330 are the same in the front-rear direction. Since it is arranged in the position, the seated person can be stably supported by the second resin member 320 including the third resin member 330 and the left and right first resin members 310 . Thereby, the sitting comfort of the vehicle seat S can be further improved.

Further, the third resin member 330 is arranged between the pair of left and right second extension portions 211B of the first reinforcing portion 211, the right connecting portion 332 is connected to the right second extending portion 211B, and the left connecting portion 332 is connected to the right second extension portion 211B. Since the portion 332 is connected to the left second extension portion 211B, the third resin member 330 can firmly support the seated person. As a result, the seated person can be more stably supported by the support member 20, so that the seating comfort of the vehicle seat S can be further improved.

The first horizontal wire 210 has the front end of the second extending portion 211B arranged at the corner 314 of the first resin member 310, and both sides of the front end of the second extending portion 211B extending from the main body portion 311. Since it is covered and held by the projecting portion 312, the mounting rigidity of the third resin member 330 can be improved. As a result, the third resin member 330 can more firmly support the seated person, so that the support member 20 can more stably support the seated person, and the seating comfort of the vehicle seat S can be further improved. can be done.

In addition, the first horizontal wire 210 has a first reinforcing portion 211 and a second reinforcing portion 212 arranged side by side behind the first reinforcing portion 211, and the left and right ends of the second reinforcing portion 212 Since it is covered and held by the extension portion 312 of the first resin member 310 , the support member 20 can be strongly reinforced by the first reinforcement portion 211 and the second reinforcement portion 212 . As a result, the seated person can be more stably supported by the support member 20, so that the seating comfort of the vehicle seat S can be further improved.

Also, since the first reinforcing portion 211 and the second reinforcing portion 212 are made of one wire rod, the support member 20 can be reinforced more firmly by the first reinforcing portion 211 and the second reinforcing portion 212 . As a result, the seated person can be more stably supported by the support member 20, so that the seating comfort of the vehicle seat S can be further improved.

In addition, since the third resin member 330 is arranged between the left and right support portions 313, the surface of the support member 20 that supports the seated person can conform to the shape of the human body, and the support member 20 supports the seated person. It can be well balanced and supported. Thereby, the sitting comfort of the vehicle seat S can be further improved.

In addition, since first resin member 310 and second resin member 320 have ribs 316, 317A, 317B, 336, 346, 357A, and 357B as thick reinforcing portions, first resin member 310 and second resin member 320 are Rigidity can be improved. As a result, the seated person can be stably supported by the first resin member 310 and the second resin member 320, so that the sitting comfort of the vehicle seat S can be further improved.

In addition, since the ribs 317A, 317B, 357A, and 357B project downward, the edges of the ribs 317A, 317B, 357A, and 357B are arranged above the first resin member 310 and the second resin member 320 in the illustration. Since it does not come into contact with the pad material that does not come into contact with the pad material, it is possible to suppress damage to the pad material.

Although one embodiment of the invention has been described above, the invention is not limited to the embodiment. The specific configuration can be changed as appropriate without departing from the spirit of the invention as described below. In the following description, the same reference numerals are given to the same configurations as in the above embodiment, and the description thereof will be omitted as appropriate, and the points different from the above embodiment will be described in detail.

For example, as shown in FIG. 8 , one and the other of the pair of connecting portions 332 of the third resin member 330 may each have a plurality of portions connected to the first horizontal wire 210 . Specifically, the right connecting portion 332, which is one of the pair of connecting portions 332, has two connecting portions 332A and 332B connected to the right second extending portion 211B of the first horizontal wire 210, The left connecting portion 332 , which is the other of the pair of connecting portions 332 , has two connecting portions 332 C and 332 D connected to the left second extending portion 211 B of the first horizontal wire 210 . Note that each of the left and right connecting portions 332 may be configured to have three or more connecting portions.

Further, for example, as shown in FIG. 9 , the third resin member 330 may have a pair of second connecting portions 333 in addition to the pair of connecting portions (first connecting portions) 332 . Each of the second connecting portions 333 extends rearward from the rear end of the main body portion 331 so as to enter the gap between the extending portion 312 of the first resin member 310 and the fourth resin member 340 . The first horizontal wire 210 has a connecting extension portion 211</b>C that extends laterally between the extension portion 312 and the fourth resin member 340 so as to connect the extension portion 312 and the fourth resin member 340 . 211 C of connection extension parts are a part of 211 A of 1st extension parts. A rear end portion of the second connecting portion 333 is connected to the connecting extension portion 211C while covering the connecting extension portion 211C.

Note that the connecting portion 332 and the second connecting portion 333 are not limited to a configuration in which they are connected while covering the first horizontal wire 210 . For example, as shown in FIGS. 10A and 10B, the connecting portion 332 has a distal end portion that is formed in a generally arcuate cross-sectional shape along the shape of the outer peripheral surface of the first horizontal wire 210 to form the first horizontal wire. It may be configured to engage with and connect to the wire 210 . 10 is applied to each of the connecting portions 332A to 332D shown in FIG. 8, the attachment load to the first horizontal wire 210 per connecting portion can be reduced.

Moreover, the configurations of the first resin member 310 and the second resin member 320 are not limited to the configurations described above. For example, in the above-described embodiment, ribs are used as thick reinforcing portions, but the present invention is not limited to this, and the reinforcing portions may be bosses or the like. Further, the reinforcing portion may be configured as a portion having a thicker plate thickness than other portions, instead of having a rib-like or boss-like shape. Also, in the above-described embodiment, both the first resin member 310 and the second resin member 320 have reinforcing portions, but the present invention is not limited to this, and only one of the first resin member and the second resin member is reinforced. It may be a configuration having a part. Further, if the first resin member and the second resin member have sufficient rigidity, a configuration in which the reinforcing portion is not provided may be adopted. Further, the first resin member may be configured without the support portion 313, for example. Also, the second resin member may include, for example, a member such that the third resin member 330 and the fourth resin member 340 of the above-described embodiment are directly connected in the front-rear direction. Also, the second resin member may be configured as one member in which the third resin member 330, the fourth resin member 340 and the fifth resin member 350 are directly connected in the front and rear directions.

Moreover, in the above-described embodiment, the first resin member 310 and the first covering member 410 are not directly connected, but the present invention is not limited to this. For example, referring to FIG. 4, the first covering member 410 is integrally formed with the first resin member 310 as a part of the first resin member 310, and is directly connected to the first resin member 310. may In other words, the second inclined portion 116 (part of the first installation wire) of the first vertical wire 110 may be covered with resin instead of being exposed. The same applies to the second resin member, the second covering member, and the second construction wire.

Further, in the above-described embodiment, only the front end portion (part of) of the second extension portion 211B of the first horizontal wire 210 is arranged at the corner portion 314 between the main portion 311 and the extension portion 312. Not limited to this, for example, the entire second extension portion 211B may be arranged at the corner portion 314 .

Moreover, the configurations of the construction wire rod 100 and the reinforcing wire rod 200 described in the above embodiment are examples, and the present invention is not limited to the above embodiment. For example, the number of construction wires and reinforcing wires may be greater or less than in the configuration described in the above embodiment. Also, the construction wire may be, for example, an S spring. Also, referring to FIG. 3, the first horizontal wire 210 has, for example, a structure in which the right portion (213) is divided into front and rear portions (215 and 216) like the left portion, that is, the first horizontal wire 210 The first reinforcing portion 211 and the second reinforcing portion 212 may be configured by two wires.

Further, in the above-described embodiment, the pair of connecting frames on which the construction wire is constructed is the front frame 12 and the rear frame 13, but the present invention is not limited to this. For example, the pair of connecting frames may be the pan frame 14 and the rear frame 13 .

In the above-described embodiment, the left and right side frames 11 of the seat cushion S1 are illustrated as a pair of opposing frames, and the front frame 12 and rear frame 13 of the seat cushion S1 are illustrated as a pair of connecting frames, but the present invention is not limited to this. . For example, the pair of opposing frames may be the left and right frames of the seat back S2, and the pair of connecting frames may be the upper and lower frames of the seat back S2. In this case, the vertical direction corresponds to "the second direction orthogonal to the first direction", the front side corresponds to the "seat occupant side", and the rear side corresponds to the "opposite side to the occupant side".

Alternatively, the pair of opposing frames may be the front frame 12 and the rear frame 13 of the seat cushion S1, and the pair of connecting frames may be the left and right side frames 11. FIG. In this case, the front-rear direction corresponds to the "first direction", and the left-right direction corresponds to the "second direction perpendicular to the first direction". Alternatively, the pair of opposing frames may be the upper and lower frames of the seat back S2, and the pair of connecting frames may be the left and right frames of the seat back S2. In this case, the vertical direction corresponds to the "first direction".

Further, in the above-described embodiment, the first construction wire and the first resin member are provided on both sides of the second construction wire and the second resin member in the first direction. It may be configured such that it is provided only on one side of the second installation wire and the second resin member in the direction.

In the above-described embodiment, the vehicle seat S mounted in an automobile was exemplified as a vehicle seat. may be

Also, the elements described in the above-described embodiment and modification may be arbitrarily combined and implemented.

11 side frame 12 front frame 13 rear frame 110 first vertical wire 120 second vertical wire 200 reinforcing wire 210 first horizontal wire 211 first reinforcing portion 211A first extending portion 211B second extending portion 212 second reinforcing portion 310 First resin member 311 Body portion 312 Extension portion 313 Support portion 313A Support surface 314 Corners 316, 317A, 317B, 336, 346, 357A, 357B Ribs 320 Second resin member 330 Third resin member 332 Connecting portion 410 First first Covering member 420 Second covering member S Vehicle seat

Claims (1)

a pair of opposed frames spaced apart in the first direction;
a pair of connecting frames spaced apart in a second direction perpendicular to the first direction and connecting the pair of opposing frames;
a first installation wire and a second installation wire that are installed on the pair of connection frames;
a reinforcing wire arranged to intersect at least the second construction wire when viewed from the seated person;
a plate-shaped first resin member that connects the first installation wire and the reinforcement wire in a state that covers a part of the first installation wire and a part of the reinforcement wire;
a plate-shaped second resin member that connects the second installation wire and the reinforcement wire in a state that covers a part of the second installation wire and a part of the reinforcement wire,
The first resin member and the second resin member are arranged apart from each other,
The first installation wire and the first resin member are provided on both sides of the second installation wire and the second resin member in the first direction,
The second resin member includes a third resin member having a pair of connecting portions connected to the reinforcing wire,
The vehicle seat, wherein the pair of connecting portions are arranged at the same position in the second direction.

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