WO2019194302A1 - Vehicle seat - Google Patents

Abstract

Provided is a vehicle seat in which the imposing of a load on a resin member from a wire can be minimized. This vehicle seat comprises: a pair of opposing frames (side frames 11) disposed apart from each other in a first direction in a state of opposing each other; a pair of linking frames (a front frame 12 and a rear frame 13) that are disposed apart from each other in a second direction orthogonal to the first direction, and that link the pair of opposing frames (11) together; a spanning wire (100) spanning between the pair of linking frames (12, 13); a reinforcing wire (200) disposed so as to intersect the spanning wire (100) as seen from the rider's side; and a plate-shaped resin member (300) linking the spanning wire (100) and the reinforcing wire (200) together while covering the spanning wire (100) and the reinforcing wire (200). End parts (210A, 210B) of the reinforcing wire (200) (a first cross-wire 210) are exposed from the resin member (300).

Description

Vehicle seat

The present invention relates to a vehicle seat provided with a member that receives a load from a seated person.

As a vehicle seat, for example, in Patent Document 1, a frame-shaped cushion frame, two front and rear wires laid on a front panel and a rear pipe of the cushion frame, and two front and rear wires are arranged to intersect. A central wire and a bridging wire are disclosed. In this technique, a wire (wire) arranged inside the cushion frame functions as a member that receives a load from a seated person via a cushion pad.

JP 2014-164431 A

By the way, if the wires arranged inside the cushion frame are connected to each other in a state of being covered with a plate-like resin member, the load from the seated person can be received by the surface, so that the seating feeling is good It can be. On the other hand, when a wire such as the central wire of Patent Document 1 is covered with resin, when a person sits and the wire or resin member bends, the edge of the end of the wire is rubbed against the resin member and burdens the resin member. May take.

Therefore, it is desired to provide a vehicle seat that can suppress the burden on the resin member from the wire.
It is also desirable to improve the rigidity (strength) of the resin member.
Moreover, it is desired that both end portions of the wire can be easily and firmly connected and the structure strength of the wire can be increased.
Moreover, it is desirable that the resin member has a configuration that can prevent the pad material disposed on the seated person side from being damaged.
Further, a member that receives a load from a seated person (hereinafter referred to as a “support member”) is preferably configured to improve the sitting comfort of the vehicle seat.

In view of the above-described background, a vehicle seat including a pair of opposed frames, a pair of connecting frames, an erected wire, a reinforcing wire, and a plate-like resin member is proposed. The pair of opposed frames are spaced apart from each other. The facing direction of the pair of facing frames is referred to as a first direction. The pair of connection frames are spaced apart from each other in the orthogonal direction orthogonal to the first direction, and connect the pair of opposed frames. An orthogonal direction orthogonal to the first direction is referred to as a second direction. The erected wire is erected on the pair of connecting frames, and the reinforcing wire is arranged so as to intersect the erected wire as viewed from the seated person side. The resin member connects the erected wire and the reinforcing wire while covering a part of the erected wire and the reinforcing wire. At least one end of the reinforcing wire is exposed from the resin member.

According to such a configuration, even if a person sits and the reinforcing wire or the resin member bends, the edge of the reinforcing wire does not rub against the resin member, so that the resin member is prevented from being burdened by the reinforcing wire. Can do.

In the vehicle seat described above, the reinforcing wire may be configured such that both end portions are exposed from the resin member and are opposed to each other in a state of being close to each other.

According to this, since the reinforcing wire arranged so as to intersect the erected wire can be formed into a ring shape, a plurality of portions extending in the opposing direction of the reinforcing wire can be provided so as to be arranged in the orthogonal direction. Thereby, the rigidity of the resin member which covers a reinforcing wire can be improved.

In the vehicle seat described above, both the end portions can be connected to each other.

According to this, since the rigidity of the reinforcing wire can be improved, the rigidity of the resin member covering the reinforcing wire can be further improved.

The vehicle seat described above may be configured to include a connecting member that engages both the end portions and connects the both end portions.

This makes it possible to easily connect both ends of the reinforcing wire.

In the vehicle seat described above, both the end portions can be caulked and fixed.

According to this, both ends of the reinforcing wire can be firmly connected.

In the vehicle seat described above, both the end portions may be welded.

According to this, both ends of the reinforcing wire can be firmly connected.

In the vehicle seat described above, the resin member may include an opening that exposes the end portion and a thick reinforcing portion that is formed around the opening.

According to this, the rigidity of the resin member, specifically, the rigidity around the opening for exposing the end of the reinforcing wire can be improved.

In the vehicle seat described above, the connecting member may have a thick reinforcing portion.

According to this, since the rigidity of the connecting member can be improved, both ends of the reinforcing wire can be firmly connected by the connecting member.

In the vehicle seat described above, the end portion may be bent from a portion extending in the orthogonal direction of the reinforcing wire and extend toward the side opposite to the seated person side.

According to this, since the edge of the end of the reinforcing wire becomes difficult to contact the pad material arranged on the seat side of the resin member, it is possible to suppress the pad material from being damaged.

In the above-described vehicle seat, the resin member has support portions extending at the left and right end portions so as to be positioned on the seat occupant side as going outward in the left-right direction, and the end portions are orthogonal to the reinforcing wire. It can be set as the structure which is bent from the part extended in a direction and extended toward the left-right direction outer side, and the front-end | tip part is arrange | positioned on the opposite side to the seated person side of the said support part.

According to this, since the edge of the end of the reinforcing wire becomes difficult to contact the pad material arranged on the seat side of the resin member, it is possible to suppress the pad material from being damaged.

In the vehicle seat described above, the erected wire may include a first erected wire and a second erected wire. The reinforcing wire is arranged so as to cross at least the second erected wire as viewed from the seated side, and the resin member is reinforced with the first erected wire in a state of covering a part of the first erected wire and a part of the reinforcing wire. A plate-like first resin member for connecting the wire, a plate-like second resin member for connecting the second erected wire and the reinforcing wire in a state of covering a part of the second erected wire and a part of the reinforcing wire, including. And the 1st resin member and the 2nd resin member are arranged mutually spaced apart.

According to such a configuration, the support member that receives the load from the seated person can be configured by the first erected wire, the second erected wire, the reinforcing wire, the first resin member, and the second resin member. And since the 1st resin member and the 2nd resin member are tabular, the load from a seated person can be received in a field. Moreover, moderate flexibility can be given to a support member because the 1st resin member and the 2nd resin member are arrange | positioned mutually spaced apart. Thereby, the sitting comfort of the vehicle seat can be improved.

In the vehicle seat described above, the first erected wire and the first resin member may be provided on both sides of the second erected wire and the second resin member in the first direction. In this case, the second resin member can 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 in 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 member 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 extending portion extending in the first direction and a pair of second extending portions extending bent from one end in the second direction from both ends of the first extending portion. The third resin member is disposed between the pair of second extending portions as viewed from the seated person side, and one of the pair of connecting portions is one of the pair of second extending portions. And the other is connected to the other of the pair of second extending portions.

According to this, since the seated person can be firmly supported by the third resin member, the seated person can be supported more stably 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 first portion on the second erected wire side toward the second erected wire. The reinforcing wire has at least a part of the second extending portion disposed at a corner portion between the first portion and the second portion, and both side portions of the portion disposed at the corner portion of the second extending portion. Can be covered and held by the first part and the second part.

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

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

According to this, since the support member can be strongly reinforced by the first reinforcement portion and the second reinforcement portion, the seated person can be supported more stably by the support 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 can be configured by a single wire.

According to this, since the supporting member can be reinforced more firmly, the seated person can be supported more stably by the supporting member. 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 member includes a support portion including a support surface that is inclined so as to be positioned on the seated person side as going outward in the left-right direction, The 3rd resin member can be set as the structure arrange | positioned between the support parts on either side seeing from the seated person side.

According to this, since the surface of the support member that supports the seated person can be made to conform to the shape of the human body, the seated person can be supported in a balanced manner by the support member. 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, since the rigidity of the first resin member or the second resin member can be improved, the seated person can be stably supported by the first resin member or 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 on the side opposite to the seated side.

According to this, since the edge of the rib does not contact the pad material arranged on the seat side of the first resin member or the second resin member, the pad material can be prevented from being damaged.

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

It is a figure which shows the vehicle seat which concerns on embodiment. It is a figure which shows the cushion frame and support member of the vehicle seat which concern on 1st Embodiment. It is a figure which shows the construction wire and reinforcement wire which concern on 1st Embodiment. It is the figure which expanded the opening part vicinity of the supporting member which concerns on 1st Embodiment. It is the figure which looked at the supporting member concerning a 1st embodiment from the bottom. FIG. 6 is a sectional view taken along line XX in FIG. 5. It is the figure (a) which shows the form from which the edge part of the 1st horizontal wire which concerns on 1st Embodiment extends below, and the figure (b) which shows the form extended to the left-right direction outer side. It is the figure (a) which shows the form with which the edge part of the 1st horizontal wire which concerns on 1st Embodiment was connected by the connection member, and the figure (b) which shows a connection member. It is a figure which shows the form with which the edge part of the 1st horizontal wire which concerns on 1st Embodiment was connected by the crimping tool. FIG. 6 is a diagram (a) to (c) showing a form in which the end portions of the first horizontal wire according to the first embodiment are connected by a welded portion. It is a figure which shows the form with which the edge part of the 1st horizontal wire which concerns on 1st Embodiment was connected by the welding part. It is a figure which shows the cushion frame and support member which concern on 2nd Embodiment. It is a figure which shows the construction wire and reinforcement wire which concern on 2nd Embodiment. It is a figure which shows the supporting member which concerns on 2nd Embodiment. It is the figure which looked at the supporting member which concerns on 2nd Embodiment from the upper side. It is the figure which looked at the rear end part of the support member concerning a 2nd embodiment from the upper part. It is the figure which looked at the supporting member concerning a 2nd embodiment from the lower side. It is the figure which looked at the rear end part of the supporting member concerning the 1st modification from the upper part. It is the figure which looked at the rear-end part of the supporting member which concerns on a 2nd modification from the upper side. It is figure (a), (b) which shows the connection part which concerns on a modification.

[First Embodiment]
Hereinafter, a first embodiment of a vehicle seat will be described with reference to the accompanying drawings. In this specification, front and rear, left and right, and top and bottom are based on front and rear, left and right, and top and bottom as viewed from a person sitting on the seat (sitting 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 or a passenger seat of an automobile, and includes a seat cushion S1 and a seat back S2.

A cushion frame F1 as shown in FIG. 2 constituting the frame of the seat cushion S1 is built in the seat cushion S1. 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 fabric or leather. 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 an example of a pair of opposed 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 the present embodiment, the left-right direction corresponds to “the facing direction of a pair of opposed frames”, and the front-rear direction corresponds to “an orthogonal direction orthogonal to the facing direction”. In the present embodiment, the upper side corresponds to the “seat person side” and the lower side corresponds to the “opposite side to the seat person side”.

The left and right side frames 11 are long frames that are long in the front-rear direction, and are spaced apart in a state of facing each other in the left-right direction. Each side frame 11 is made of sheet metal and has a cross-sectional shape with a peripheral edge extending inward in the left-right direction.
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 a metal pipe material, the front frame 12 connects the front portions of the left and right side frames 11, and the rear frame 13 is disposed behind the front frame 12, The rear portions of the side frames 11 are connected to each other.
The pan frame 14 is disposed so as to connect the front end portions of the left and right side frames 11. The pan frame 14 is made of sheet metal.

A plate-like support member 20 is disposed inside the frame-like 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 seated person via a pad material (not shown) of the seat cushion S1, and includes a construction wire 100, a reinforcing wire 200, and a plate-like resin member 300. Yes. Although details will be described later, the erected wire 100 and the reinforcing wire 200 are made of a metal wire and are disposed between the left and right side frames 11. The resin member 300 is made of resin, and is formed integrally with the erected wire 100 and the reinforcing wire 200 in a state of covering the erected wire 100 and the reinforcing wire 200 by insert molding or the like.

As shown in FIG. 3, the installation wire 100 is installed on the front frame 12 and the rear frame 13. A plurality of erected wires 100 are provided side by side. Specifically, the erected wire 100 includes left and right first vertical wires 110 and second vertical wires 120.

The first vertical wires 110 are arranged to be separated from each other on the left and right sides, and the first extending part 111, the second extending part 112, the bent part 113, the first inclined part 114, the first hook part 115, A second inclined portion 116 and a second hook portion 117 are provided.
The first extension part 111 and the second extension part 112 extend in the front-rear direction.

The bent portion 113 is located between the first extending portion 111 and the second extending portion 112, and protrudes in a substantially U shape toward the outer side in the left-right direction with respect to the extending portions 111 and 112. Specifically, the bent portion 113 protrudes obliquely upward on the outer side in the left-right direction with respect to the extending portions 111 and 112.

The first inclined portion 114 extends obliquely upward from the front end of the first extending portion 111, and the second inclined portion 116 extends obliquely upward and rearward from the rear end of the second extending portion 112. .
The first hook portion 115 is formed in a substantially arc shape that protrudes from the front end of the first inclined portion 114 and protrudes upward, and the second hook portion 117 extends from the upper end of the second inclined portion 116. It is formed in a substantially arc shape.

The second vertical wire 120 is disposed between the left and right first vertical wires 110, and includes an extension part 121, a first inclined part 124, a first hook part 125, a second inclined part 126, and a second hook. Part 127.
The extending part 121 extends in the front-rear direction and is disposed substantially parallel to the extending parts 111 and 112 of the left and right first vertical wires 110. 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. 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 disposed so as to intersect the erected wire 100 when viewed from above. A plurality of reinforcing wire rods 200 are provided side by side. 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 in an annular shape, and includes a first reinforcing portion 211, a second reinforcing portion 212, a connecting portion 213, a first end portion 215, and a second end portion. 216.
The 1st reinforcement part 211 is arrange | positioned above the 2nd vertical wire 120 so that the 2nd vertical wire 120 may be cross | intersected. The first reinforcing portion 211 includes a first extending portion 211A extending in the left-right direction, and a front end or a first end portion of the connecting portion 213 extending from the left and right ends of the first extending portion 211A toward the diagonally forward side in the left-right direction. And a second extending portion 211B connected to the front end of 215.

The second reinforcing portion 212 extends in the left-right direction and is arranged so as to line up with the first reinforcing portion 211 behind the first reinforcing portion 211. The 2nd reinforcement part 212 is arrange | positioned above the 2nd vertical wire 120 so that the 2nd vertical wire 120 may be cross | intersected.
The connection part 213 extends in the front-rear direction and connects the right ends of the first reinforcement part 211 and the second reinforcement part 212.

The first end portion 215 is bent from the left end of the first reinforcing portion 211 and extends toward the rear side, and the second end portion 216 is bent from the left end of the second reinforcing portion 212 and extends toward the front side. . The first end portion 215 and the second end portion 216 are arranged side by side in the front-rear direction, and are disposed opposite to 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 in proximity to each other. ing. In other words, the first horizontal wire 210 is disposed so as to be opposed to the front and rear in a state where the end surfaces of the one end 210A and the other end 210B are close to each other.

The connection portion 213 extends in the front-rear direction from the first extension portion 111 to the second extension portion 112 of the right first vertical wire 110, and the front and rear end portions are disposed below the extension portions 111 and 112. . The first end 215 is disposed below the first extending portion 111 of the left first vertical wire 110 at the front end, and the second end 216 is the first vertical wire at the rear end of the left. 110 is disposed below the second extension 112. Thus, the first horizontal wire 210 supports the extending portions 111 and 112 of the first vertical wire 110 from the lower side via the resin member 300, and further, the bent portion 113 is supported via the extending portions 111 and 112. Support from below.

The second horizontal wire 220 is disposed on the front side of the first horizontal wire 210 and has an intersecting portion 221 and an end portion 222.
The intersection 221 extends to the left and right. The intersecting portion 221 is disposed on the upper side of the second vertical wire 120 so that the center portion intersects the second vertical wire 120, and on the upper side of the first vertical wire 110 so that the end portion intersects the first vertical wire 110. Has been placed.
The end portion 222 is bent from the left and right ends of the intersecting portion 221 and extends toward the rear side.

The third horizontal wire 230 is disposed on the front side of the second horizontal wire 220 and has a central portion 231, a first intermediate portion 232, a second intermediate portion 233, and an end portion 234.
The central portion 231 is disposed on the upper side of the second vertical wire 120 so as to extend left and right and intersect the second vertical wire 120.
The first intermediate portion 232 is bent from the left and right ends of the central portion 231 and extends toward the rear side.
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. An end portion on the outer side in the left-right direction of the second intermediate portion 233 is disposed on the upper side of the first vertical wire 110 so as to intersect the first vertical wire 110.
The end portion 234 is bent from the outer end in the left-right direction of the second intermediate portion 233 and extends toward the front side.

As shown in FIG. 2, the resin member 300 connects the erected wire 100 and the reinforcing wire 200 while covering at least a part of the erected wire 100 and the reinforcing wire 200. Specifically, the erected wire 100 and the reinforcing wire 200 are arranged with a predetermined interval so that the intersecting portions do not contact each other, and the resin member 300 covers the erected wire 100 and the reinforcing wire 200 in this state. It is connected. For this reason, the resin member 300, specifically, the resin constituting the resin member 300 enters a gap between the portion of the erected wire 100 that intersects the reinforcing wire 200 and the portion of the reinforced wire 200 that intersects the erected wire 100. Is intervening.

The resin member 300 includes a plate-shaped main body part 310, left and right support parts 340, a first hooking part 350, a second hooking part 360, and an opening part 370.
The support portion 340 is a substantially plate-like portion extending so as to be located on the upper side as going outward in the left-right direction, and is formed in the rear portion of the left and right end portions of the main body portion 310. Specifically, the support portion 340 is formed so as to extend obliquely upward on the outer side in the left-right direction from the rear side portions of the left and right ends of the main body portion 310. The support part 340 covers the bent part 113 of the first vertical wire 110.

As shown in FIG. 4, the opening 370 is formed from the rear side portion of the left end portion of the main body portion 310 to the end portion of the left support portion 340 in the left-right direction. The opening 370 is an opening that exposes both ends 210A and 210B of the first horizontal wire 210, and penetrates vertically. In other words, both ends 210 </ b> A and 210 </ b> B of the reinforcing wire 200 are exposed to the outside of the resin member 300 from the opening 370 of the resin member 300.

A rib 311 that protrudes upward is formed on the top surface of the main body 310. In the plate-like main body 310, the portion where the rib 311 is provided is thicker than the other portion (the portion where no rib is provided). The ribs 311 are provided so as to protrude upward from the upper surface of the main body 310 at positions before and after the second reinforcing portion 212 of the first horizontal wire 210. The ribs 311 extend in the front-rear direction, and a plurality of ribs 311 are provided side by side.

Further, as shown in FIGS. 5 and 6, ribs 312, 313, 341, and 342 are formed on the lower surfaces of the main body portion 310 and the support portion 340 so as to protrude downward. In the plate-like main body 310 and the support 340, the portions where the ribs 312, 313, 341, 342 are provided are thicker than the other portions (portions where no rib is provided). In the present embodiment, the ribs 311, 312, 313, 341 and 342 correspond to “thick reinforcing portions”.

The rib 312 is provided so as to protrude downward from the lower surface of the main body 310 at a position substantially in front of the first reinforcing portion 211 of the first horizontal wire 210. The ribs 312 extend so as to be inclined with respect to the front-rear direction and the left-right direction, and a plurality of ribs 312 are provided so as to form a lattice shape as a whole. The rib 313 is provided at a position behind the first reinforcing portion 211 of the first horizontal wire 210 so as to protrude downward from the lower surface of the main body portion 310. The rib 313 extends in the front-rear direction, and a plurality of ribs 313 are provided side by side.

The rib 341 and the rib 342 are provided so as to protrude downward from the lower surface of the support portion 340. The rib 341 extends in the front-rear direction, and a plurality of ribs 341 are provided side by side. The ribs 342 extend in the left and right directions so as to intersect the ribs 341, and a plurality of ribs 342 are provided side by side.

The ribs 311, 312, 313, 341 and 342 are formed around the opening 370. Specifically, the rib 311 is formed on the rear side of the opening 370, and the rib 312 is formed on the front side of the opening 370. The rib 313 is formed on the inner side in the left-right direction of the opening 370, and the ribs 341 and 342 are formed on the outer side in the left-right direction of the opening 370.

As shown in FIG. 2, the first hooking portion 350 is a portion that is hooked to the front frame 12 and is formed to extend to the left and right. The first hooking portion 350 covers the first hook portions 115 and 125 of the vertical wires 110 and 120.
The second hooking portion 360 is a portion hooked to the rear frame 13 and is divided into left and right portions and is formed in three. The second hooking portion 360 covers the second hook portion 117 of the first vertical wire 110 or the second hook portion 127 of the second vertical wire 120.

According to the present embodiment described above, since the end portions 210A and 210B of the first horizontal wire 210 are exposed from the resin member 300, a person sits on the vehicle seat S and the first horizontal wire 210 and the resin member 300 are present. Even if the wire is bent, the edge of the first horizontal wire 210 does not rub against the resin member 300. Thereby, it can suppress that a burden is applied to the resin member 300 from the 1st horizontal wire 210. FIG. Further, by exposing the end portions 210A and 210B of the first horizontal wire 210, the first horizontal wire 210 is exposed to the first horizontal wire 210 rather than the case where the end portions 210A and 210B of the first horizontal wire 210 are covered with the resin member 300 and the movement is restricted. The wire 210 can be easily bent. Then, by adjusting how much the end portions 210 </ b> A and 210 </ b> B are exposed, it is possible to adjust the amount of bending of the resin member 300 that covers the first horizontal wire 210. Further, by exposing the end portions 210A and 210B of the first horizontal wire 210, the end portions 210A and 210B can be confirmed from the outside of the resin member 300.

In addition, the first horizontal wire 210 is disposed so as to intersect the erected wire 100 because both end portions 210A and 210B are exposed from the resin member 300 and opposed to each other while being close to each other. The first horizontal wire 210 to be formed can be annular. Accordingly, a plurality of portions extending in the left-right direction of the first horizontal wire 210 such as the first reinforcing portion 211 and the second reinforcing portion 212 can be provided so as to be lined up in the front-rear direction, so that the first horizontal wire 210 is covered. The rigidity of the resin member 300 can be improved.

Further, since the resin member 300 has ribs 311, 312, 313, 341, and 342 formed around the opening 370, the rigidity of the resin member 300, in particular, the ends 210 </ b> A and 210 </ b> B of the first horizontal wire 210 are exposed. Therefore, the rigidity around the opening 370 can be improved.

Although one embodiment has been described above, the specific configuration can be appropriately changed as described below. In the following description, the same components as those in the above-described embodiment will be denoted by the same reference numerals, description thereof will be omitted as appropriate, and differences from the above-described embodiment will be described in detail.

For example, as shown in FIG. 7A, the end portions 210A and 210B of the first horizontal wire 210 are
A portion extending in the front-rear direction of the first horizontal wire 210, specifically, the first end portion 215 and the second end portion 216 may be bent and extend downward. Further, as shown in FIG. 7B, the end portions 210A and 210B of the first horizontal wire 210 are bent from the first end portion 215 and the second end portion 216 and extend outward in the left-right direction, and the tips thereof The part may be arranged so as to be located below the support part 340. According to such a structure, since the edge of the end of the 1st horizontal wire 210 becomes difficult to contact the pad material of seat cushion S1 arrange | positioned above the resin member 300, it suppresses that a pad material is damaged. Can do. In the configuration shown in FIGS. 7A and 7B, the first horizontal wire 210 is arranged to face each other not in the end faces of both ends 210A and 210B but in the state where the side faces are close to each other. Has been.

Further, both end portions 210A and 210B of the first horizontal wire 210 may be connected to each other. For example, as shown in FIGS. 8A and 8B, the vehicle seat S engages both ends 210A and 210B of the first horizontal wire 210 to connect both ends 210A and 210B. A connecting member 410 may be provided. Specifically, the connecting member 410 is made of, for example, resin, and includes a connecting member main body 411 and a rib 412 as an example of a thick reinforcing portion. The connecting member main body 411 is a portion having a substantially C-shaped cross section that can be engaged with the end portions 210A and 210B. The rib 412 is provided so as to protrude from the outer peripheral surface of the connecting member main body 411 toward the radially outer side of the connecting member main body 411. The ribs 412 extend along the outer peripheral surface of the connecting member main body 411, and a plurality of ribs 412 are provided side by side.

Thus, by connecting the end portions 210A and 210B of the first horizontal wire 210 to each other, the rigidity of the annular first horizontal wire 210 can be improved. Thereby, the rigidity of the resin member 300 which covers the 1st horizontal wire 210 can be improved more.

Moreover, according to the form shown to Fig.8 (a), (b), since both edge part 210A, 210B of the 1st horizontal wire 210 can be connected only by engaging the connection member 410, edge part 210A, 210B. Can be easily connected.

Also, since the connecting member 410 has the ribs 412, the rigidity of the connecting member 410 can be improved. Thereby, both the end portions 210 </ b> A and 210 </ b> B of the first horizontal wire 210 can be firmly connected by the connecting member 410. Further, since the end portions 210A and 210B of the first horizontal wire 210 can be firmly connected, the rigidity of the annular first horizontal wire 210 can be further improved, and thereby, the resin member 300 covering the first horizontal wire 210. Can be further improved in rigidity.

Also, as shown in FIG. 9, both ends 210A and 210B of the first horizontal wire 210 may be fixed by caulking. Specifically, the end portions 210 </ b> A and 210 </ b> B are arranged to face left and right (or up and down) in a state where the side surfaces are close to each other, and are inserted into the sleeve-shaped caulking tool 420 from the front and rear. The caulking tool 420 is connected to each other by being plastically deformed and being crimped to the caulking tool 420. Thus, the end portions 210A and 210B can be firmly connected by caulking and fixing the end portions 210A and 210B.

Further, as shown in FIGS. 10A to 10C and FIG. 11, both end portions 210A and 210B of the first horizontal wire 210 may be welded. For example, as shown in FIG. 10A, the end portions 210A and 210B are arranged facing the left and right (or up and down) in a state where the side surfaces are substantially in contact with each other, and bead-like welded portions 431 extending in the front and rear directions. It may be connected. Further, as shown in FIG. 10B, the end portions 210A and 210B are arranged so as to face each other up and down in a state where they intersect in a substantially cross shape and in which the side surfaces are in contact with each other, as shown in FIG. As shown in FIG. 5, the welded portions 432 formed by spot welding or the like may be connected to each other. Further, as shown in FIG. 11, the end portions 210A and 210B are bent from the first end portion 215 and the second end portion 216 and extend downward, and the front and rear sides thereof are substantially in contact with each other. May be connected to each other by bead-shaped welds 433 that are disposed opposite to each other and extend vertically. By thus welding the end portions 210A and 210B, the end portions 210A and 210B can be firmly connected.

Also, the construction of the erected wire 100 and the reinforcing wire 200 described in the above embodiment is an example, and can be implemented with various modifications. For example, the number of erected wires and reinforcing wires may be larger or smaller than the configuration described in the embodiment. Further, the erected wire may be, for example, an S spring. Further, referring to FIG. 3, the first horizontal wire 210 (reinforcing wire) has a configuration in which, for example, the right side portion (213) is divided into the front and rear (215 and 216) like the left side portion. That is, the structure which consists of two wires may be sufficient. In this case, the right end portions of the two wires may be exposed from the resin member in the same manner as the left end portions.

In the above embodiment, both ends 210A and 210B of the first horizontal wire 210 are exposed from the resin member 300. However, the present invention is not limited to this. For example, the first horizontal wire 210 may be configured such that only one end is exposed from the resin member 300. Moreover, in the said embodiment, although only the edge part of the 1st horizontal wire 210 was exposed from the resin member 300 among the reinforcement wire materials 200, it is not limited to this. For example, instead of the first horizontal wire 210 or together with the first horizontal wire 210, the end of the second horizontal wire 220 and / or the third horizontal wire 230 may be exposed from the resin member 300. Good.

Further, the configuration of the resin member 300 described in the above embodiment is merely an example, and the present invention is not limited thereto, and various modifications can be made. For example, in the above-described embodiment, the ribs 311, 312, 313, 341, and 342 are exemplified as the thick reinforcing portions. However, the present invention is not limited to this, and the reinforcing portions may be bosses or the like. Moreover, the reinforcement part may be comprised not as a rib shape or a boss | hub shape but as a part whose plate | board thickness is thicker than another part. Further, as long as the resin member has sufficient rigidity, a configuration in which the reinforcing portion is not provided may be employed. 7A, the resin member 300 does not include, for example, the opening portion 370, and the end portion of the first horizontal wire 210 is below the support portion 340 and the main body portion 310. The structure which exposes from the resin member 300 may be sufficient by protruding from the side surface to the left-right direction outer side. Further, the resin member may be configured not to include the support portion 340, for example. In addition, the modification of the reinforcement part mentioned above is the same also about the reinforcement part of the connection member demonstrated in FIG.

Further, the resin member may be composed of two parts. Specifically, a pair of opposed frames that are spaced apart in the first direction, a pair of connection frames that are spaced apart in the second direction orthogonal to the first direction and connect the pair of opposed frames, and a pair of A first erected wire and a second erected wire erected on the connecting frame, a reinforcing wire disposed at least intersecting with the second erected wire as viewed from the seated side, a part of the first erected wire, and a reinforcing wire A plate-like first resin member that connects the first erected wire and the reinforcing wire in a state of covering a part, and a second erected wire and reinforcement in a state of covering a part of the second erected wire and a part of the reinforcing wire. It is possible to implement a vehicle seat that includes a plate-like second resin member that connects the wires, and the first resin member and the second resin member are arranged apart from each other. In this case, the end portion of the reinforcing wire may be exposed from the resin member as in the first embodiment, but may not be exposed from the resin member. In the second embodiment described below, the end portion of the reinforcing wire is not exposed from the resin member.

[Second Embodiment]
The second embodiment will be described with reference mainly to FIGS. In the following description, the same elements as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In the present embodiment, the left-right direction corresponds to a “first direction”, and the front-rear direction corresponds to a “second direction orthogonal to the first direction”. In the present embodiment, the upper side corresponds to the “seat person side” and the lower side corresponds to the “opposite side to the seat person side”.

As shown in FIG. 12, a support member 20 is disposed 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 (see FIG. 1), and includes an erected wire 100, a reinforcing wire 200, a plate-like resin member 500, A covering member 600 is provided. Although details will be described later, the erected wire 100 and the reinforcing wire 200 are made of a metal wire. The resin member 500 is made of resin, and is formed integrally with the erected wire 100 and the reinforcing wire 200 so as to cover a part of the erected wire 100 and a part of the reinforcing wire 200 by insert molding or the like. The covering member 600 is made of resin and is formed integrally with the erected wire 100 in a state where the rear end portion of the erected wire 100 is covered by insert molding or the like.

As shown in FIG. 13, the installation wire 100 is installed on the front frame 12 and the rear frame 13. A plurality of erected wires 100 are provided side by side. Specifically, the erected wire 100 includes left and right first vertical wires 110 as first erected wires, and second vertical wires 120 as second erected wires.
The first vertical wires 110 are arranged to be separated from each other on the left and right sides, and the first extending part 111, the second extending part 112, the bent part 113, the first inclined part 114, the first hook part 115, A second inclined portion 116 and a second hook portion 117 are provided.

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

The second vertical wire 120 is disposed between the left and right first vertical wires 110, and includes an extension part 121, a first inclined part 124, a first hook part 125, a second inclined part 126, and a second hook. Part 127.
The extending part 121 extends in the front-rear direction and is disposed substantially parallel to the extending parts 111 and 112 of the left and right first vertical wires 110. 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. 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 disposed so as to intersect at least the second vertical wire 120 when viewed from above. A plurality of reinforcing wire rods 200 are provided side by side. 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 in an annular shape, and includes a first reinforcing portion 211, a second reinforcing portion 212, a connecting portion 213, a first end portion 215, and a second end portion. 216.

The first reinforcing portion 211 includes a first extending portion 211A extending in the left-right direction, a pair of second extending portions 211B extending from the left and right ends of the first extending portion 211A and bent forward, which is one of the front and rear directions. have. The second extending portion 211B extends from the end of the first extending portion 211A toward the diagonally forward side on the outer side in the left-right direction, and is connected to the front end of the connecting portion 213 or the first end portion 215. The 1st reinforcement part 211 is arrange | positioned above the extension part 121 in the state which cross | intersected the front-back direction center part of the extension part 121 of the 2nd vertical wire 120. As shown in FIG.

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 disposed behind the first reinforcing portion 211. The second reinforcing portion 212 is disposed on the upper side of the extending portion 121 in a state of intersecting with the extending portion 121 of the second vertical wire 120.

The connection part 213 extends in the front-rear direction and connects the right ends of the first reinforcement part 211 and the second reinforcement part 212.
The first end portion 215 is bent from the left end of the first reinforcing portion 211 and extends toward the rear side, and the second end portion 216 is bent from the left end of the second reinforcing portion 212 and extends toward the front side. . The first end 215 and the second end 216 are arranged side by side in the front-rear direction, and face the front-rear in a state where the rear end surface of the first end 215 and the front end surface of the second end 216 are close to each other.

The connecting part 213 has the front and rear end parts disposed below the extending parts 111 and 112. The first end 215 is disposed below the first extending portion 111 of the left first vertical wire 110 at the front end, and the second end 216 is the first vertical wire at the rear end of the left. 110 is disposed below the second extension 112. Thereby, the 1st horizontal wire 210 is supporting the extension parts 111 and 112 and the bending part 113 of the 1st vertical wire 110 from the lower side through resin which comprises the resin member 500. FIG.

The second horizontal wire 220 is disposed on the front side of the first horizontal wire 210 and has an intersecting portion 221 and an end portion 222.
The intersection 221 extends to the left and right. The intersecting portion 221 is disposed on the upper side of the first inclined portion 124 in a state where the central portion in the left-right direction intersects with the first inclined portion 124 of the second vertical wire 120, and an end portion thereof is the first extension of the first vertical wire 110. It is arranged on the upper side of the first extension part 111 in a state of intersecting with the part 111.
The end portion 222 is bent from the left and right ends of the intersecting portion 221 and extends toward the rear side.

The third horizontal wire 230 is disposed on the front side of the second horizontal wire 220 and has a central portion 231, a first intermediate portion 232, a second intermediate portion 233, and an end portion 234.
The central portion 231 extends left and right, and is disposed on the upper side of the first inclined portion 124 so as to intersect the first inclined portion 124 of the second vertical wire 120.
The first intermediate portion 232 is bent from the left and right ends of the central portion 231 and extends toward the rear side.
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. An end portion on the outer side in the left-right direction of the second intermediate portion 233 is disposed on the upper side of the first inclined portion 114 so as to intersect the first inclined portion 114 of the first vertical wire 110.
The end portion 234 is bent from the outer end in the left-right direction of the second intermediate portion 233 and extends toward the front side.

As shown in FIG. 12, the resin member 500 includes a first resin member 510 and a second resin member 520. The first resin member 510 connects the first vertical wire 110 and the reinforcing wire 200 in a state of covering a part of the first vertical wire 110 and a part of the reinforcing wire 200. The second resin member 520 connects the second vertical wire 120 and the reinforcing wire 200 in a state of covering a part of the second vertical wire 120 and a part of the reinforcing wire 200. The erected wire 100 and the reinforcing wire 200 are arranged in a state of being spaced apart from each other so that overlapping portions viewed from above do not contact each other, and the resin member 500 covers the erected wire 100 and the reinforcing wire 200 in this state. Are connected. For this reason, the resin member 500, specifically, the resin constituting the resin member 500 enters the gap between the portion of the erection wire 100 that overlaps the reinforcing wire 200 and the portion of the reinforced wire 200 that overlaps the erection wire 100. is doing.

As shown in FIG. 14, one first resin member 510 is provided on each side of the second vertical wire 120 and the second resin member 520 in the left-right direction together with the first vertical wire 110. The left and right first resin members 510 each have a body portion 511 as a first portion, an extension portion 512 as a second portion, and a latching portion 515.

As shown in FIG. 15, the main body 511 extends in the front-rear direction. The main body 511 includes the extending portions 111 and 112 of the first vertical wire 110, the bent portion 113, the lower end portions of the first inclined portion 114 and the second inclined portion 116, and the connecting portion 213 or the end portion of the first horizontal wire 210. 215, 216, the end portion 222 of the second lateral wire 220, and a part of the second intermediate portion 233 and the end portion 234 of the third lateral wire 230 are covered. The main body portion 511 has a support portion 513. The support portion 513 is a plate-like portion that covers the bent portion 113 and extends obliquely upward on the outer side in the left-right direction, and is provided at the rear portion of the main body portion 511. The support portion 513 is a support surface 513A that is inclined so that the upper surface is positioned on the upper side in the left-right direction (see also FIG. 14).

The extending portion 512 extends from a part of the end of the main body portion 511 on the second vertical wire 120 side toward the second vertical wire 120. Specifically, the extension part 512 extends inward in the left-right direction from the rear part of the main body part 511. More specifically, the extension portion 512 extends inward in the left-right direction from the rear portion of the support portion 513. The extension part 512 covers the left and right end parts of the first extension part 211A of the first reinforcement part 211, the rear end part of the second extension part 211B, and the left and right end parts of the second reinforcement part 212. Yes.

As shown in an enlarged view in FIG. 16, the first resin member 510 has a corner portion 514 between the front end of the extension portion 512 and the inner end in the left-right direction of the main body portion 511 (support portion 513). Yes.
As for the 1st horizontal wire 210, the front-end part of the 2nd extension part 211B is arrange | positioned in the corner part 514. As shown in FIG. In addition, the first horizontal wire 210 is covered by the body portion 511 and the extension portion 512 at a portion disposed at the corner portion 514 of the second extension portion 211B, that is, both side portions of the front end portion of the second extension portion 211B. Has been held. Specifically, in the first horizontal wire 210, the connection portion 213 or the first end portion 215, which is one side of the front end portion of the second extension portion 211B, is covered by the main body portion 511, and the second extension portion 211B The rear end portion of the second extending portion 211B, which is the other side of the front end portion, is covered with the extending portion 512. Further, the second reinforcing portion 212 of the first horizontal wire 210 is held with its left and right end portions covered with the extending portion 512 of the first resin member 510.

Referring back to FIG. 15, the second resin member 520 is provided within the front-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-rear direction. Moreover, the 2nd resin member 520 is provided with two or more along with back and front. Specifically, the second resin member 520 includes a third resin member 530, a fourth resin member 540, and a fifth resin member 550.

The fourth resin member 540 includes a part 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 in the left-right direction of the second reinforcing portion 212 is covered.
The fourth resin member 540 and the left and right first resin members 510 are spaced apart from each other. Specifically, the fourth resin member 540 is disposed between the left and right first resin members 510 as viewed from above, more specifically, between the left and right extending portions 512, and between the extending portions 512. The slits are provided so as to be spaced apart from the extending portion 512 in the left-right direction so as to form a slit-like gap. The left and right first resin members 510 and the fourth resin member 540 are connected by a first horizontal wire 210. In the first horizontal wire 210, a part of the front and rear reinforcing portions 211 and 212 is exposed between the first resin member 510 and the fourth resin member 540.

As shown in FIG. 16, the third resin member 530 is disposed on the front side of the fourth resin member 540 and includes a main body portion 531 and a pair of left and right connecting portions 532.
The main body portion 531 extends to the left and right. A central portion in the left-right direction of the main body portion 531 covers a part of the extending portion 121 of the second vertical wire 120.
The connecting part 532 is a part connected to the first horizontal wire 210. Specifically, the connecting portion 532 is connected to the first horizontal wire 210 in a state in which the front end portion of the second extending portion 211B of the first horizontal wire 210 is covered. The third resin member 530 is formed substantially symmetrically, and the pair of connecting portions 532 are disposed at the same position in the front-rear direction. The third resin member 530 is disposed between the pair of second extending portions 211B as viewed from above, and one of the pair of connecting portions 532 is connected to one of the pair of second extending portions 211B. The other is connected to the other of the pair of second extending portions 211B. Specifically, the right connecting portion 532 is connected to the right second extending portion 211B, and the left connecting portion 532 is connected to the left second extending portion 211B.

The third resin member 530 and the left and right first resin members 510 are spaced apart from each other. Specifically, the third resin member 530 is disposed between the left and right first resin members 510, more specifically, between the left and right support portions 513 as viewed from above, and from the support portion 513 to the inside in the left-right direction. They are spaced apart. In addition, the third resin member 530 has left and right end portions including the connecting portion 532 disposed in front of the extending portion 512 as viewed from above, and is provided to be separated from the extending portion 512 to the front side. The left and right first resin members 510 and the third resin member 530 are connected by a first horizontal wire 210. In the first lateral wire 210, a part of the first reinforcing portion 211 is exposed between the first resin member 510 and the third resin member 530. Further, the third resin member 530 and the fourth resin member 540 are arranged to be separated from each other in the front-rear direction, and the second vertical wire 120 has a part of the extending portion 121 that is the third resin member 530 and the fourth resin member 540. It is exposed between the resin members 540.

As shown in FIG. 15, the fifth resin member 550 is disposed on the front side of the third resin member 530 and has a main body portion 551 and a hooking portion 555.
The main body 551 covers a 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 550 and the left and right first resin members 510 are spaced apart from each other. Specifically, the fifth resin member 550 is disposed between the left and right first resin members 510 as viewed from above, more specifically, between the front portions of the main body portion 511, and the inner side in the left-right direction from the main body portion 511. Are spaced apart from each other. The left and right first resin members 510 and the fifth resin member 550 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 510 and the fifth resin member 550. In addition, the fifth resin member 550 and the third resin member 530 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 the same as the third resin member 530 and the The five resin members 550 are exposed.

As shown in FIG. 14, the latching portion 555 and the latching portion 515 of the first resin member 510 are portions that are latched to the front frame 12 (see FIG. 12) of the support member 20, and are made of a pipe material. The frame 12 is formed in a substantially arc shape in sectional view along the shape of the outer peripheral surface of the frame 12. The hooking portion 515 covers the first hook portion 115 that is a portion hooked to the front frame 12 of the first vertical wire 110, and the hooking portion 555 is hooked to the front frame 12 of the second vertical wire 120. The first hook portion 125 that is a portion to be stopped is covered.

As shown in FIGS. 14 and 17, the first resin member 510, the third resin member 530, the fourth resin member 540, and the fifth resin member 550 include ribs 516, 517 A, 517 B, 536, which are examples of reinforcing portions. 546, 557A, 557B. In the first resin member 510, the third resin member 530, the fourth resin member 540, and the fifth resin member 550, the portion where the ribs 516, 517A, 517B, 536, 546, 557A, 557B are provided is the other portion (rib It is thicker than the part where no is provided.

As shown in FIG. 16, the ribs 516 and 546 are the front surface of the first reinforcing member 212 and the upper surface of the fourth resin member 540 at the positions before and after the second reinforcing portion 212 of the first horizontal wire 210. It is formed so as to protrude upward from (see also FIG. 14). The ribs 516 and 546 extend in the front-rear direction, and a plurality of ribs 516 and 546 are provided side by side.

Further, the rib 536 is formed so as to protrude upward from the upper surface of the main body portion 531 of the third resin member 530 (see FIG. 14). The ribs 536 include a pair of ribs 536A that protrude from the front and rear ends of the main body portion 531 and extend left and right, and ribs 536B, 536C, and 536D that are disposed between the pair of ribs 536A in the front-rear direction. The ribs 536 </ b> B extend in the front-rear direction, and are provided one by one at the left and right ends of the main body portion 531. The ribs 536C and 536D are disposed between the pair of ribs 536B in the left-right direction. The rib 536C extends obliquely away from the second vertical wire 120 (center of the support member 20) as it goes forward. Further, the rib 536D extends obliquely so as to approach the second vertical wire 120 as it goes forward, and intersects the corresponding one rib 536C in a cross shape.

As shown in FIG. 17, the ribs 517A and 517B are provided so as to protrude downward from the lower surface of the support portion 513 of the first resin member 510. The ribs 557A and 557B are provided so as to protrude downward from the lower surface of the main body 551 of the fifth resin member 550. The ribs 517A and 557A extend in the front-rear direction, and a plurality of ribs 517A, 557A are provided side by side. The ribs 517B and 557B extend in the left and right directions, and a plurality of ribs 517B and 557B are provided side by side. The ribs 517A and 517B intersect each other. Further, the ribs 557A and 557B intersect each other.

As shown in FIG. 14, the covering member 600 includes a first covering member 610 and a second covering member 620.
The first covering member 610 and the second covering member 620 are portions that are hooked to the rear frame 13 (see FIG. 12) of the support member 20, and are cross sections along the shape of the outer peripheral surface of the rear frame 13 made of a pipe material. It is formed in a generally arcuate shape. The first covering member 610 covers the second hook portion 117 that is a portion hooked to the rear frame 13 of the first vertical wire 110, and the second covering member 620 is the rear frame 13 of the second vertical wire 120. 2nd hook part 127 which is a part hooked by is covered. In the present embodiment, the hook portions 115, 117, 125, 127 before and after the vertical wires 110, 120 are covered with resin (the resin member 500 or the covering member 600), so that the metal members are in direct contact with each other. Compared to the case, the generation of sound can be suppressed.

The first resin member 510 and the first covering member 610 are arranged apart from each other and are not directly connected. Accordingly, a part of the first vertical wire 110, specifically, the upper end portion of the second inclined portion 116 is exposed between the first resin member 510 and the first covering member 610. Similarly, the second resin member 520 and the second covering member 620 are arranged apart from each other and are not directly connected. Thereby, a part of the second vertical wire 120, specifically, the upper end portion of the second inclined portion 126 is exposed between the second resin member 520 and the second covering member 620.

According to the present embodiment described above, the support member 20 that receives a load from the seated person can be constituted by the erected wire 100, the reinforcing wire 200, the first resin member 510, and the second resin member 520. And since the 1st resin member 510 and the 2nd resin member 520 are plate-shaped, the load from a seated person can be received by a surface. Further, since the first resin member 510 and the second resin member 520 are arranged apart from each other and are not directly connected to each other, for example, compared with a case where the entire construction wire 100 and the reinforcing wire 200 are covered with a plate-like resin. Thus, the support member 20 can have appropriate flexibility. Thereby, the sitting comfort of the vehicle seat S can be improved.

Further, the first vertical wire 110 and the first resin member 510 are provided on both sides of the second vertical wire 120 and the second resin member 520 in the left-right direction, and the pair of connecting portions 532 of the third resin member 530 are the same in the front-rear direction. Since it is disposed at the position, the seated person can be stably supported by the second resin member 520 including the third resin member 530 and the left and right first resin members 510. Thereby, the sitting comfort of the vehicle seat S can be further improved.

Also, the third resin member 530 is disposed between the pair of left and right second extending portions 211B of the first reinforcing portion 211, the right connecting portion 532 is connected to the right second extending portion 211B, and the left connecting portion Since the portion 532 is connected to the left second extending portion 211B, the seating person can be firmly supported by the third resin member 530. Thereby, since a seated person can be more stably supported by the support member 20, the sitting comfort of the vehicle seat S can be further improved.

The first horizontal wire 210 has a front end portion of the second extending portion 211B disposed at a corner portion 514 of the first resin member 510, and both side portions of the front end portion of the second extending portion 211B extend from the main body portion 511. Since it is covered and held by the protruding portion 512, the mounting rigidity of the third resin member 530 can be improved. Thereby, since the seated person can be supported more firmly by the third resin member 530, the seated person can be supported more stably by the support member 20, and the sitting comfort of the vehicle seat S can be further improved. Can do.

Moreover, the 1st horizontal wire 210 has the 2nd reinforcement part 212 arrange | positioned along with the 1st reinforcement part 211 along with the back of the 1st reinforcement part 211, and the right and left ends of the 2nd reinforcement part 212 are the 1st. Since the first resin member 510 is covered and held by the extended portion 512, the support member 20 can be strongly reinforced by the first reinforcing portion 211 and the second reinforcing portion 212. Thereby, since a seated person can be more stably supported by the support member 20, the sitting comfort of the vehicle seat S can be further improved.

In addition, since the first reinforcing portion 211 and the second reinforcing portion 212 are made of one wire, the support member 20 can be reinforced more firmly by the first reinforcing portion 211 and the second reinforcing portion 212. Thereby, since a seated person can be more stably supported by the support member 20, the sitting comfort of the vehicle seat S can be further improved.

In addition, since the third resin member 530 is disposed between the left and right support portions 513, the surface of the support member 20 that supports the seated person can be made to conform to the shape of the human body. It can be supported in a well-balanced manner. Thereby, the sitting comfort of the vehicle seat S can be further improved.

Further, since the first resin member 510 and the second resin member 520 have ribs 516, 517A, 517B, 536, 546, 557A, 557B as thick reinforcing portions, the first resin member 510 and the second resin member 520 Stiffness can be improved. Thereby, since the seated person can be stably supported by the first resin member 510 and the second resin member 520, the sitting comfort of the vehicle seat S can be further improved.

Also, since the ribs 517A, 517B, 557A, 557B are convex downward, the edges of the ribs 517A, 517B, 557A, 557B are arranged above the first resin member 510 and the second resin member 520. Since it does not contact the pad material that does not, the pad material can be prevented from being damaged.

Although the second embodiment has been described above, the specific configuration can be appropriately changed as follows. In the following description, the same components as those in the second embodiment are denoted by the same reference numerals, description thereof will be omitted as appropriate, and differences from the second embodiment will be described in detail.

For example, as shown in FIG. 18, one and the other of the pair of connecting portions 532 of the third resin member 530 may each include a plurality of portions connected to the first horizontal wire 210. Specifically, the right connecting portion 532 that is one of the pair of connecting portions 532 includes two connecting portions 532A and 532B that are connected to the right second extending portion 211B of the first lateral wire 210, The left connecting portion 532 which is the other of the pair of connecting portions 532 has two connecting portions 532C and 532D connected to the left second extending portion 211B of the first horizontal wire 210. Each of the left and right connecting portions 532 may have a configuration having three or more connecting portions.

For example, as shown in FIG. 19, the third resin member 530 may have a pair of second connection portions 533 in addition to the pair of connection portions (first connection portions) 532. Each of the second connecting portions 533 extends rearward from the rear end of the main body portion 531 so as to enter the gap between the extending portion 512 of the first resin member 510 and the fourth resin member 540. The first horizontal wire 210 has a connecting extension portion 211 </ b> C extending to the left and right so as to connect the extension portion 512 and the fourth resin member 540 between the extension portion 512 and the fourth resin member 540. The connecting extension part 211C is a part of the first extension part 211A. The rear end portion of the second connecting portion 533 is connected to the connecting extension portion 211C in a state of covering the connecting extension portion 211C.

In addition, the connection part 532 and the 2nd connection part 533 are not limited to the structure connected in the state which covered the 1st horizontal wire 210. FIG. For example, as shown in FIGS. 20A and 20B, the connecting portion 532 has a distal end portion formed in a substantially arc shape in a sectional view along the shape of the outer peripheral surface of the first horizontal wire 210, and A configuration in which the wire 210 is engaged and connected may be employed. When the connection configuration shown in FIG. 20 is applied to each of the connecting portions 532A to 532D shown in FIG. 8, the mounting load on the first horizontal wire 210 per connecting portion can be reduced.

Further, the configuration of the first resin member 510 and the second resin member 520 is not limited to the above-described configuration. For example, in the above-described embodiment, the rib is exemplified as the thick reinforcing portion. However, the present invention is not limited to this, and the reinforcing portion may be a boss or the like. Moreover, the reinforcement part may be comprised not as a rib shape or a boss | hub shape but as a part whose plate | board thickness is thicker than another part. Moreover, in the said embodiment, although both the 1st resin member 510 and the 2nd resin member 520 had the reinforcement part, it is not limited to this, Only one of the 1st resin member and the 2nd resin member is reinforced. The structure which has a part may be sufficient. Moreover, as long as the 1st resin member and the 2nd resin member have sufficient rigidity, it is good also as a structure which does not provide a reinforcement part. Moreover, the 1st resin member may be the structure which is not provided with the support part 513, for example. In addition, the second resin member may include, for example, a member in which the third resin member 530 and the fourth resin member 540 of the above embodiment are directly connected in the front-rear direction. Further, the second resin member may be configured by a single member in which the third resin member 530, the fourth resin member 540, and the fifth resin member 550 are directly connected in the front-rear direction.

In the embodiment, the first resin member 510 and the first covering member 610 are not directly connected to each other. However, the present invention is not limited to this. For example, referring to FIG. 14, the first covering member 610 is formed integrally with the first resin member 510 as a part of the first resin member 510 and directly connected to the first resin member 510. May be. In other words, the second inclined portion 116 (a part of the first erected wire) of the first vertical wire 110 may not be exposed and may be covered with resin. The same applies to the second resin member, the second covering member, and the second erected wire.

In the embodiment, the first horizontal wire 210 has only the front end portion (part) of the second extending portion 211B disposed in the corner portion 514 between the main body portion 511 and the extending portion 512. For example, the entire second extending portion 211 </ b> B may be disposed in the corner portion 514.

Also, the construction of the erected wire 100 and the reinforcing wire 200 described in the above embodiment is an example, and can be implemented with various modifications. For example, the number of erected wires and reinforcing wires may be larger or smaller than the configuration described in the embodiment. Further, the erected wire may be, for example, an S spring. Referring to FIG. 13, the first horizontal wire 210 has a configuration in which, for example, the right side portion (213) is divided into front and rear (215 and 216) like the left side portion, that is, The 1 reinforcement part 211 and the 2nd reinforcement part 212 may consist of two wires.

In the above embodiment, the first erected wire and the first resin member are provided on both sides of the second erected wire and the second resin member in the first direction. However, the present invention is not limited to this, for example, the first The structure provided in only one side of a 2nd construction wire and a 2nd resin member in a direction may be sufficient.

Also in the second embodiment, as in the first embodiment, the ends (first end 215 and second end 216) of the reinforcing wire 200 are exposed from the resin member 500 (first resin member 510). Alternatively, the first end 215 and the second end 216 may be connected.

Further, in the first embodiment and the second embodiment described above, the pair of connecting frames on which the erected wire is laid 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 a pan frame 14 and a rear frame 13.

In the first and second embodiments described above, the left and right side frames 11 of the seat cushion S1 are illustrated as a pair of opposed frames, and the front frame 12 and the rear frame 13 of the seat cushion S1 are used as a pair of connecting frames. Although illustrated, it is not limited to this. For example, the pair of opposed 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 “orthogonal direction orthogonal to the facing direction” in the first embodiment, the “second direction orthogonal to the first direction” in the second embodiment, and the front side is the “seat person side” The rear side corresponds to “the side opposite to the seated person”.

Further, the pair of opposed 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. In this case, the front-rear direction corresponds to the “opposite direction of a pair of opposing frames” in the first embodiment and the “first direction” in the second embodiment, and the left-right direction is “perpendicular to the opposing direction” in the first embodiment. Corresponds to the “second direction perpendicular to the first direction” in the second embodiment. Further, the pair of opposed frames may be the upper and lower frames of the seat back S2, and the pair of connection frames may be the left and right frames of the seat back S2. In this case, the vertical direction corresponds to the “opposing direction of a pair of opposing frames” in the first embodiment and the “first direction” in the second embodiment.

Moreover, in the said embodiment, although vehicle seat S mounted in a motor vehicle was illustrated as a vehicle seat, it is not limited to this, The seat mounted in vehicles other than a motor vehicle, for example, a rail vehicle, a ship, an aircraft, etc. It may be.

Further, the elements described in the above-described embodiments and modifications may be implemented in any combination.

Claims (21)

1. A pair of opposed frames spaced apart in the first direction;
   A pair of connecting frames that are spaced apart in a second direction orthogonal to the first direction and connect the pair of opposed frames;
   An erected wire erected on the pair of connecting frames;
   A reinforcing wire arranged so as to intersect the erected wire as seen from the seated person side;
   A plate-shaped resin member that connects the erected wire and the reinforcing wire in a state of covering a part of the erected wire and the reinforcing wire,
   The vehicle reinforcing sheet is characterized in that at least one end of the reinforcing wire is exposed from the resin member.
2. 2. The vehicle seat according to claim 1, wherein both ends of the reinforcing wire are exposed from the resin member and are opposed to each other in a state of being close to each other.
3. The vehicle seat according to claim 2, wherein the both ends are connected.
4. 4. The vehicle seat according to claim 3, further comprising a connecting member that engages both the end portions to connect the both end portions.
5. The vehicle seat according to claim 3, wherein the both ends are fixed by caulking.
6. 4. The vehicle seat according to claim 3, wherein both the end portions are welded.
7. The vehicle seat according to claim 1, wherein the resin member includes an opening exposing the end portion and a thick reinforcing portion formed around the opening.
8. The vehicle seat according to claim 4, wherein the connecting member has a thick reinforcing portion.
9. 2. The vehicle seat according to claim 1, wherein the end portion is bent from a portion extending in the second direction of the reinforcing wire and extends toward a side opposite to a seated person side.
10. The resin member has support portions extending at the left and right end portions so as to be positioned on the seat occupant side as going outward in the left-right direction,
    The end portion is bent from a portion extending in the second direction of the reinforcing wire and extends outward in the left-right direction, and a distal end portion is disposed on the side opposite to the seated side of the support portion. The vehicle seat according to claim 1.
11. The erected wire includes a first erected wire and a second erected wire,
    The reinforcing wire is arranged so as to intersect at least the second erected wire as seen from the seated side,
    The resin member is
    A plate-like first resin member for connecting the first erected wire and the reinforcing wire in a state of covering a part of the first erected wire and a part of the reinforcing wire;
    A plate-like second resin member connecting the second erected wire and the reinforcing wire in a state of covering a part of the second erected wire and part of the reinforcing wire;
    Including
    The vehicle seat according to any one of claims 1 to 10, wherein the first resin member and the second resin member are spaced apart from each other.
12. The first erected wire and the first resin member are provided on both sides of the second erected 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 according to claim 11, wherein the pair of connecting portions are arranged at the same position in the second direction.
13. 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 so as to bend in one direction of the second direction. Including reinforcements,
    The third resin member is disposed between the pair of second extending portions as viewed from the seated person side,
    13. The pair of connecting portions, one of which is connected to one of the pair of second extending portions, and the other is connected to the other of the pair of second extending portions. Vehicle seats.
14. The first resin member has a first portion extending in the first direction and a second portion extending from a part of an end of the first portion on the second erected wire side toward the second erected wire. And
    In the reinforcing wire, at least a part of the second extending portion is disposed at a corner portion between the first portion and the second portion, and the portion of the second extending portion is disposed at the corner portion. The vehicle seat according to claim 13, wherein both side portions are covered and held by the first portion and the second portion.
15. The reinforcing wire includes a second reinforcing portion that extends in the first direction and is arranged alongside the first reinforcing portion in the second direction,
    The vehicle seat according to claim 14, wherein the second reinforcing portion has an end portion in the first direction covered and held by the first resin member.
16. The vehicle seat according to claim 15, wherein the first reinforcing portion and the second reinforcing portion are formed of a single wire.
17. The first direction is a left-right direction;
    Each of the first resin members has a support portion including a support surface that is inclined so as to be positioned on the seat occupant side as going outward in the left-right direction,
    The vehicle seat according to claim 12, wherein the third resin member is disposed between the left and right support portions when viewed from the seated person side.
18. 12. The vehicle seat according to claim 11, wherein at least one of the first resin member and the second resin member has a thick reinforcing portion.
19. 19. The vehicle seat according to claim 18, wherein the reinforcing portion includes a rib that protrudes on the side opposite to the seated side.
20. A first covering member that is made of resin and covers a portion that is hooked to the connection frame of the first erected wire,
    The first resin member and the first covering member are spaced apart from each other, and a part of the first erected wire is exposed between the first resin member and the first covering member. The vehicle seat according to claim 11.
21. A second covering member that is made of resin and covers a portion of the second erected wire that is hooked to the connection frame;
    The second resin member and the second covering member are spaced apart from each other, and a part of the second erected wire is exposed between the second resin member and the second covering member. The vehicle seat according to claim 20.
    

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