JP6920622B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat mounted on a vehicle such as an automobile.

As a vehicle seat, for example, Patent Document 1 discloses a seat provided with a cushion frame, an S-shaped spring spanned inside the cushion frame, and left and right inclined plates that support the pad together with the S-shaped spring. Has been done.

Japanese Unexamined Patent Publication No. 2016-117406

By the way, in the conventional vehicle seat, it is necessary to arrange the S-shaped spring on the cushion frame and attach it so as to bridge it, and further, arrange the left and right inclined plates on the cushion frame and fix them with screws, so that the assembly man-hours are required. There was a problem that there were many.

Therefore, an object of the present invention is to provide a vehicle seat capable of reducing assembly man-hours.
Another object of the present invention is to realize a comfortable sitting comfort when a person sits on a seat.
Another object of the present invention is to easily attach the member to the cushion frame.

In order to achieve the above object, the vehicle seat of the present invention includes left and right side frames arranged apart from each other on the left and right, and a cushion frame having front and rear cross members connecting the left and right side frames, and left and right. The left and right linear members arranged apart from each other and erected on the front and rear cross members, and the left and right first support members made of resin and integrally formed with the linear members are provided. 1 The support member is characterized by having an engaging portion that engages with the side frame.

According to such a configuration, the linear member is erected on the front and rear cross members, and the engaging portion of the first support member is engaged with the side frame to cushion both the linear member and the first support member. Since it can be attached to the frame, it is not necessary to arrange the first support member at the attachment position separately from the linear member or to fix the first support member with screws. As a result, the assembly man-hours can be reduced.

In the vehicle seat described above, the first support member has a first support surface located inside the side frame in the left-right direction, and the first support surface is located higher toward the outside in the left-right direction. Can be configured as

According to this, since the linear member and the first support surfaces of the left and right first support members form a concave shape along the shape of the human body when viewed from the front-rear direction, it is comfortable when a person sits on the seat. It is possible to realize a comfortable sitting comfort.

In the vehicle seat described above, the first support member has a plate-shaped support portion located inside the side frame in the left-right direction, and the support portion has at least a part of the width in the front-rear direction left and right. The configuration can be increased toward the inside of the direction.

According to this, since the front-rear width on the outside in the left-right direction of the support portion is relatively small, the support portion can be flexed appropriately, and the front-rear width on the inside in the left-right direction of the support portion is relatively large. Therefore, the load can be supported by a wide portion. As a result, it is possible to realize a comfortable sitting comfort when a person sits on the seat.

In the vehicle seat described above, the engaging portion can be configured to engage with the side frame by being hooked on the side frame from above.

According to this, the first support member can be easily attached to the cushion frame.

In the vehicle seat described above, the left and right first support members may be integrally formed by being connected by connecting portions extending to the left and right.

According to this, since the left and right first support members and the left and right linear members can be handled as an integral part, the assembly man-hours can be further reduced.

The vehicle seat described above may be configured to include a second support member made of resin, which is integrally formed with the rear end portions of the left and right linear members and connects the left and right linear members.

According to this, since the left and right linear members are connected by the second support member, the left and right linear members and the left and right first support members can be handled as an integral part. As a result, the assembly man-hours can be further reduced.

In the vehicle seat described above, the second support member has a second support surface located on the front side of the cross member on the rear side, and the second support surface is located higher toward the rear. It can be configured.

According to this, since the linear member and the second support surface of the second support member form a shape that follows the shape of the human body when viewed from the left-right direction, it is comfortable to sit when a person sits on the seat. Can be realized.

In the vehicle seat described above, the left and right first support members may be connected to the second support member and integrally formed.

According to this, since the left and right first support members, the second support members, and the left and right linear members can be easily handled as an integral part, they can be easily attached to the cushion frame.

The vehicle seat described above is made of resin and includes left and right cover members that cover at least the inside of the rear end portion of the side frame in the left-right direction, and the first support member is integrally formed by being connected to the cover member. Can be configured as

According to this, since the cover member, the first support member, and the linear member can be handled as an integral part, the assembly man-hours can be further reduced.

According to the present invention, the assembly man-hours can be reduced.

Further, according to the present invention, by configuring the first support surface of the first support member so as to be located upward as it goes outward in the left-right direction, it is possible to realize a comfortable sitting comfort when a person sits on a seat. Can be done.

Further, according to the present invention, by increasing the width of at least a part of the support portion of the first support member in the front-rear direction toward the inside in the left-right direction, a comfortable sitting comfort is realized when a person sits on the seat. can do.

Further, according to the present invention, the first support member can be easily attached to the cushion frame by having the engaging portion hooked on the side frame from above.

Further, according to the present invention, the assembly man-hours can be further reduced by connecting the left and right first support members with the connecting portion to form them integrally.

Further, according to the present invention, the number of assembly steps can be further reduced by providing the second support member that connects the left and right linear members.

Further, according to the present invention, by configuring the second support surface of the second support member to be positioned higher toward the rear, it is possible to realize a comfortable sitting comfort when a person sits on the seat.

Further, according to the present invention, the left and right first support members and the second support members are connected and integrally formed, so that these can be easily attached to the cushion frame.

Further, according to the present invention, the assembly man-hours can be further reduced by connecting the first support member to the cover member and forming the first support member integrally.

It is a perspective view of the vehicle seat as the vehicle seat which concerns on embodiment. It is a perspective view of the cushion frame built in the seat cushion. It is sectional drawing which looked at the seat cushion along the front-rear direction. It is the figure which looked at the cushion pad from the top. It is the figure which looked at the cushion frame and the cover member from the rear. It is sectional drawing which looked at the seat cushion with a person sitting in the front-rear direction. It is a perspective view of the cushion frame which concerns on the 1st modification. It is sectional drawing which looked at the seat cushion which concerns on 1st modification in the left-right direction. It is a perspective view of the cushion frame which concerns on the 2nd modification. It is a perspective view of the cushion frame which concerns on the 3rd modification.

Hereinafter, an embodiment of the invention will be described with reference to the accompanying drawings. In this specification, the front / rear, left / right, and up / down are based on the front / rear, left / right, and up / down as seen from the person sitting on the vehicle seat (seat person).
As shown in FIG. 1, the vehicle seat of the present embodiment is configured as a vehicle seat S mounted on an automobile, and includes a seat cushion S1, a seat back S2, and a headrest S3.

A cushion frame F1 as shown in FIG. 2 is built in the seat cushion S1. The cushion frame F1 is a member that constitutes the skeleton of the seat cushion S1. As shown in FIG. 3, the seat cushion S1 is configured by covering the cushion frame F1 with a cushion pad C1 made of urethane foam or the like and a skin material U1 made of cloth or leather.

As shown in FIG. 2, the cushion frame F1 has left and right side frames 11, a front frame 12 and a rear frame 13 as examples of front and rear cross members, and a pan frame 14.

The left and right side frames 11 are frames formed of a metal plate, and are arranged so as to be separated from each other on the left and right. Each side frame 11 has a side frame main body 11A extending substantially in the front-rear direction and a back mounting portion 11B extending substantially upward from the rear end portion of the side frame main body 11A, and a cross section having a peripheral edge extending inward in the left-right direction. It has a shape. A back frame (not shown) constituting the skeleton of the seat back S2 is rotatably attached to the back attachment portion 11B via a reclining mechanism. Similar to the seat cushion S1, the seat back S2 is configured by covering the back frame with a pad material made of urethane foam or the like and a skin material.

The front frame 12 and the rear frame 13 are frames formed of a metal pipe material, and are arranged apart from each other in the front-rear direction. The front frame 12 connects the front portions of the left and right side frames 11 (side frame main body 11A) to each other, and the rear frame 13 connects the rear portions of the left and right side frames 11 (side frame main body 11A) to each other. ..
The pan frame 14 is a frame formed of a metal plate, and is arranged so as to connect the front ends of the left and right side frames 11.

Three support wires 20 that support the cushion pad C1 (see FIG. 3) from below are arranged between the left and right side frames 11. Each support wire 20 is erected on the front frame 12 and the rear frame 13 and arranged so as to extend in the front-rear direction. The support wire 20 is made of a metal wire. The front end of the support wire 20 is bent and extended diagonally upward in the front, and then bent in a substantially arc shape along the outer peripheral surface of the front frame 12. Further, the rear end of the support wire 20 is bent upward and extended, and then bent in a substantially arc shape along the outer peripheral surface of the rear frame 13.

The support wire 20 includes one first support wire 21 and two second support wires 22 as an example of the left and right linear members. The first support wire 21 is arranged at the center in the left-right direction inside the cushion frame F1. Further, the left and right second support wires 22 are arranged one by one on the left and right sides of the first support wire 21 inside the cushion frame F1. In other words, the left and right second support wires 22 are arranged apart from each other on the left and right, and the first support wire 21 is arranged between them.

Side support members 30 as an example of the first support member are arranged on the left and right sides of the support wire 20. The left and right side support members 30 are members that support the cushion pad C1 (see FIG. 3) together with the support wire 20, and are made of resin. As shown in FIG. 4, the left and right side support members 30 are arranged one by one on the left and right sides of the seated person's hip point HP. Each side support member 30 is arranged in a range including the hip point HP in the front-rear direction. In other words, the side support members 30 are arranged on both the left and right sides of the hip point HP so as to sandwich the hip point HP when viewed from the vertical direction. In the present specification, the hip point HP is the position of the hip point when the 3D mannequin based on SAE J-826 is seated on the seat. As shown in FIG. 2, each side support member 30 has a side support portion 31, a connection portion 32, and an engagement portion 33 as an example of the support portion.

The side support portion 31 is a plate-shaped portion located inside the side frame 11 in the left-right direction, and is arranged in an inclined state so as to be located upward toward the outside in the left-right direction. Each side support portion 31 has a substantially trapezoidal shape in which the width in the front-rear direction increases toward the inside in the left-right direction (see also FIG. 4). As an example, the side support portion 31 preferably has a width of 10 cm or more in the front-rear direction. Specifically, it is desirable that the width of the upper end of the side support portion 31 having the smallest width in the front-rear direction is 10 cm or more.

Each side support portion 31 has a first support surface 31A, which is an upper surface. In the present embodiment, the first support surface 31A is arranged so as to be inclined so that the plate-shaped side support portion 31 is positioned upward as it goes outward in the left-right direction, so that it is positioned higher as it goes outward in the left-right direction. It is an inclined surface. Further, the lower end portion of each side support portion 31 is branched in a three-pronged shape.

The connecting portion 32 is provided so as to extend inward in the left-right direction from each of the lower ends of the side support portions 31, specifically, the tips of the three-pronged portions. The left-right inner end of the connecting portion 32 is connected to the second support wire 22. Specifically, as shown in FIG. 3, the connecting portion 32 encloses a part of the second support wire 22 in a state where the inner end portion in the left-right direction covers the entire circumference of a part of the second support wire 22. It is provided so that it can be used. In other words, the second support wire 22 is arranged so as to penetrate the inner end portion of the connecting portion 32 in the left-right direction. The resin side support member 30 is integrally formed with the metal second support wire 22 by connecting the connecting portion 32 to the second support wire 22 in this way.

The engaging portion 33 is a portion that engages with the side frame 11. Specifically, the engaging portion 33 has a substantially U-shaped cross-sectional shape (hook shape) that extends upward from the upper end of the side support portion 31, extends outward in the left-right direction along the upper surface of the side frame 11, and further extends downward. Is doing. The engaging portion 33 engages with the side frame 11 by being hooked on the upper end portion of the side frame 11 from above.

In the present embodiment, the left and right side support members 30 are connected by a connecting portion 40. The connecting portion 40 is a substantially plate-shaped member made of resin, and is arranged so as to extend left and right between the connecting portions 32 of the left and right side support members 30. The connecting portion 40 is integrally formed with the connecting portion 32 of the side support member 30, and connects the left and right side support members 30.

As shown in FIG. 2, a total of three connecting portions 40 are provided, one for each of the three sets of connecting portions 32 arranged in the front-rear direction. The central portion of each connecting portion 40 in the left-right direction is connected to the first support wire 21 and integrally formed with the first support wire 21. Specifically, each connecting portion 40 is provided so as to wrap a part of the first support wire 21 with the central portion in the left-right direction covering the entire circumference of a part of the first support wire 21 (FIG. 3). See also). In other words, the first support wire 21 is arranged so as to penetrate the central portion in the left-right direction of each connecting portion 40.

Further, in the present embodiment, the three support wires 20 are connected to each other in front of the connecting portion 40 by a plurality of wire connecting members 50 arranged in the front-rear direction. The wire connecting member 50 is a substantially plate-shaped member made of resin. Each wire connecting member 50 is provided so as to wrap a part of the first support wire 21 with a central portion in the left-right direction covering the entire circumference of a part of the first support wire 21. Further, each wire connecting member 50 is provided so as to wrap a part of the second support wire 22 with both ends in the left-right direction covering the entire circumference of a part of the second support wire 22. As a result, the first support wire 21 is arranged so as to penetrate the central portion in the left-right direction of each wire connecting member 50, and the second support wire 22 penetrates both ends in the left-right direction of each wire connecting member 50. Have been placed.

The connecting portion 32, the connecting portion 40, and the wire connecting member 50 of the side support member 30 are formed with substantially rectangular through holes (reference numerals omitted) penetrating vertically. In the vehicle seat S of the present embodiment, a wire harness or the like can be attached by engaging a clip for fastening the wire harness or the like with the through holes of the connecting portion 32, the connecting portion 40 and the wire connecting member 50. ing. In other words, the connecting portion 32, the connecting portion 40, and the wire connecting member 50 are mounting seats to which a wire harness or the like is attached.

A covering member 60 is arranged on each of the front portions of the three support wires 20. The covering member 60 is made of resin, is provided so as to cover and wrap the front end of the support wire 20 bent in a substantially arc shape, and is integrally formed with the support wire 20. The covering member 60 has a substantially C-shaped tubular shape as if a cut was formed in the left-right direction. The front end of each support wire 20 is hooked to the front frame 12 in a state of being covered with the covering member 60.

Further, a rear support member 70 as an example of the second support member is arranged at the rear portion of the three support wires 20. The rear support member 70 is a member that supports the cushion pad C1 together with the support wire 20 and the side support member 30, and is made of resin. The rear support member 70 is provided so as to cover and wrap the rear end portion of the support wire 20 including the left and right second support wires 22, and is integrally formed with the support wire 20. The rear support member 70 has a rear support portion 71 and a hook portion 72.

The rear support portion 71 is a plate-shaped portion located on the front side of the rear frame 13 which is a cross member on the rear side, and has a substantially L-shape when viewed from the left-right direction.
The hook portion 72 is a portion that covers the rear end of the support wire 20, and has a substantially U-shape when viewed from the left-right direction.
The rear support portion 71 and the rear end portion of the hook portion 72 extend to the left and right, and connect the rear end portions of the three support wires 20 including the left and right second support wires 22 to each other.

The rear end of each support wire 20 is hooked to the rear frame 13 in a state of being covered with the hooking portion 72 of the rear support member 70. In the vehicle seat S of the present embodiment, the front end of the metal support wire 20 is hooked on the metal front frame 12 in a state of being covered with the resin covering member 60, and the rear end is hooked on the resin. Since the metal rear frame 13 is hooked on the metal rear frame 13 while being covered with the stop portion 72, contact noise between the metal members is not generated.

The support wire 20 made of metal and the side support member 30, the connecting portion 40, the wire connecting member 50, the covering member 60, and the rear support member 70 made of resin, which have been described above, are integrally formed by, for example, insert molding. There is.

The rear end portion of each side frame 11 is covered with a cover member 80 so that, for example, a person cannot touch the metal side frame 11. The left and right cover members 80 are made of resin and have an inner cover portion 81, an upper cover portion 82, and a rear cover portion 83, respectively.

The inner cover portion 81 is a portion that covers the inside of the rear end portion of the side frame 11 in the left-right direction. The inner cover portion 81 is located below the back mounting portion 11B and is arranged so as to extend from the position on the rear side of the side support member 30 to the trailing edge portion of the side frame main body 11A.

The upper cover portion 82 is a portion that covers a portion of the rear end portion of the side frame 11 on the front side of the back mounting portion 11B from above, and is provided so as to extend outward in the left-right direction from the front side portion of the upper end of the inner cover portion 81. ing. In the present embodiment, the upper cover portion 82 has a substantially L-shaped cross-sectional shape because the outer end portion in the left-right direction extends downward along the side surface of the side frame 11, and together with the inner cover portion 81. It forms a hook shape. The cover member 80 is engaged with the side frame 11 by hook-shaped portions formed by the inner cover portion 81 and the upper cover portion 82 being hooked on the upper end portion of the side frame 11 from above.

As shown in FIG. 5, the rear cover portion 83 is a portion that covers the rear end of the side frame 11 from the rear side, and is provided so as to extend outward in the left-right direction from the rear end of the inner cover portion 81.

As shown in FIG. 4, the cushion pad C1 has a central portion C10 and left and right side portions C20 provided on both left and right sides of the central portion C10 and projecting above the central portion C10. Further, the cushion pad C1 has a hanging groove C30 for hanging the skin material U1 (see FIG. 3).

The suspension groove C30 includes left and right first grooves C31 extending in the front-rear direction, and second grooves C32 and third grooves C33 extending in the left-right direction.
The left and right first grooves C31 are formed so as to extend along the boundary between the central portion C10 and each side portion C20 on both the left and right sides of the hip point HP.
The second groove C32 is formed on the front side of the hip point HP so as to connect the vicinity of the central portion in the front-rear direction of the left and right first grooves C31.
The third groove C33 is formed on the rear side of the hip point HP so as to connect the rear portions of the left and right first grooves C31.

Further, in the cushion pad C1, a suspension wire (not shown) for suspending the skin material U1 into the suspension groove C30 is embedded by insert molding. The suspension wire is arranged along the suspension groove C30 and is partially exposed from a plurality of holes C50 formed in the bottom of the suspension groove C30. The skin material U1 is fastened to the cushion pad C1 by engaging a hook (not shown) provided on the skin material U1 with a portion exposed from the hole C50 of the hanging wire.

The side support portion 31 of the side support member 30 is arranged below the first groove C31 so as to straddle the corresponding first groove C31 in the left-right direction. That is, the side support portion 31 and the first groove C31 are arranged so as to intersect with each other. Further, the side support portion 31 is arranged at a position between the second groove C32 and the third groove C33 in the front-rear direction.

Next, the action and effect of the vehicle seat S configured as described above will be described.
As shown in FIG. 6, when a person (seat P) sits on the vehicle seat S, the side support portions 31 of the left and right side support members 30 arranged so as to sandwich the hip point HP on both the left and right sides of the hip point HP. It is possible to support the seated person P so as to sandwich the side portions of the buttocks and thighs from the left and right outside. As a result, the side portions of the buttocks and thighs of the seated person P can be firmly supported as compared with the case where the side support portion 31 is not arranged. As a result, the pressure around the ischium P1 (to be exact, the part protruding to the bottom of the ischium P1; the same applies hereinafter) is relatively reduced, so that the seated person is around the ischium P1 and the entire buttocks and thighs. P can be supported in a well-balanced manner. As a result, the blood circulation around the ischial bone P1 of the seated person P is less likely to deteriorate, so that the tiredness of the seated person P can be reduced even if the seated person P sits for a long time.

Further, since the left and right side support members 30 integrally formed with the second support wire 22 have an engaging portion 33 that engages with the side frame 11, the second support wire 22 and the like can be attached to the front frame 12 and the rear frame 13. By engaging the engaging portion 33 with the side frame 11, both the support wire 20 and the side support member 30 can be attached to the cushion frame F1. As a result, it is not necessary to arrange the side support member at the mounting position separately from the support wire, or to fix the side support member with screws or the like, so that the man-hours for assembling the vehicle seat S can be reduced.

Further, since the first support surface 31A of the side support member 30 is an inclined surface located higher toward the left and right outer sides, the human body (seat P) is formed by the support wire 20 and the left and right first support surfaces 31A when viewed from the front-rear direction. ) Can be formed into a concave shape. As a result, when the seated person P sits on the vehicle seat S, the seated person P can be stably supported, so that a comfortable sitting comfort can be realized.

Further, since the width of the side support portion 31 in the front-rear direction becomes larger toward the left and right inward, the front-rear width of the left and right outside of the side support portion 31 becomes relatively small, and the side support portion 31 is appropriately moved up and down. Since it can be bent, it can have an appropriate cushioning property. Further, since the front-rear width on the left and right inside of the side support portion 31 is relatively large, the load can be supported by the portion having a large width, so that the seated person P can be stably supported. As a result, it is possible to realize a more comfortable sitting comfort when the seated person P sits on the vehicle seat S. By setting the front-rear width of the upper end having the smallest front-rear width of the side support portion 31 to 10 cm or more, it is possible to improve the strength of the side support portion 31 near the upper end where a large load is applied when bending.

Further, since the engaging portion 33 engages with the side frame 11 by being hooked on the side frame 11 from above, the side support member 30 can be easily attached to the cushion frame F1.

Further, since the left and right side support members 30 are connected by the connecting portion 40 and integrally formed, the left and right side support members 30 and the support wire 20 can be handled as an integral part. As a result, the man-hours for assembling the vehicle seat S can be further reduced as compared with the case where the left and right side support members are arranged and attached.

Further, since the rear end portion of the support wire 20 is connected by the rear support member 70, the support wire 20 and the left and right side support members 30 can be handled as an integral part. As a result, the man-hours for assembling the vehicle seat S can be further reduced as compared with the case where the rear ends of the plurality of support wires are hooked to the rear frame 13 one by one.

Further, since the left and right side support members 30 are connected by a connecting portion 40, a rear support member 70, and the like to be integrally formed, the support wire 20, the left and right side support members 30, and the rear support member 70 are handled as an integral part. It's getting easier. Thereby, these can be easily attached to the cushion frame F1.

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

For example, as shown in FIGS. 7 and 8, the rear portion of the support wire 20 is bent and extended diagonally upward rearward, and then bent in a substantially arc shape along the outer peripheral surface of the rear frame 13. The plate-shaped rear support portion 71 of the rear support member 70 may be arranged in an inclined state so as to be positioned higher toward the rear. More specifically, in the form shown in FIGS. 7 and 8, the rear support portion 71 of the rear support member 70 has a second support surface 71A which is an upper surface. The second support surface 71A is arranged so as to be inclined so that the plate-shaped rear support portion 71 is positioned higher toward the rear, so that the second support surface 71A is an inclined surface that is positioned higher toward the rear. According to such a configuration, the support wire 20 and the second support surface 71A form a shape that follows the shape of the human body when viewed from the left-right direction. Therefore, when the seater sits on the seat cushion S1, he / she is seated. The person P can be stably supported, and a comfortable sitting comfort can be realized.

Further, as shown in FIG. 9, the left and right side support members 30 may be integrally formed by being connected to the rear support member 70. Specifically, in the left and right side support members 30, the side support portion 31 and the rear support portion 71 are connected by a plate-shaped side connecting portion 90. The side connecting portion 90 has a third support surface 90A which is an upper surface, and the third support surface 90A is an inclined surface which is located higher toward the outside of the cushion frame F1. The support surface 31A and the second support surface 71A are smoothly connected. According to such a configuration, the left and right side support members 30, the rear support member 70, and the support wire 20 can be easily handled as an integral part, so that these can be easily attached to the cushion frame F1.

Further, as shown in FIG. 10, the side support member 30 may be integrally formed by being connected to the cover member 80. Specifically, the left and right side support members 30 are integrally formed with the rear end of the engaging portion 33 connected to the front end of the upper cover portion 82 of the cover member 80. According to such a configuration, the cover member 80, the side support member 30, and the support wire 20 can be handled as an integral part, so that the man-hours for assembling the vehicle seat S can be further reduced.

Further, in the above-described embodiment, the cover member 80 has an inner cover portion 81, an upper cover portion 82, and a rear cover portion 83, but the present invention is not limited thereto. For example, the cover member may have an inner cover portion 81 and a rear cover portion 83 and may not have an upper cover portion 82, or may have an inner cover portion 81 and an upper cover portion 82 and may have a rear cover portion 83. It may not be provided. Further, the cover member may have an inner cover portion 81 and may not include an upper cover portion 82 and a rear cover portion 83. That is, the cover member may be a member that covers at least the inside of the rear end portion of the side frame in the left-right direction.

Further, in the above-described embodiment, the vehicle seat S includes a rear support member 70 for connecting the support wires 20, but the present invention is not limited to this. For example, the vehicle seat may not include a rear support member. Even in this case, it is desirable that the rear end of the support wire, which is hooked to the rear frame, is covered with a resin member. According to this, it is possible to prevent the contact sound generated by the contact between the metal members.

Further, in the above-described embodiment, the left and right side support members 30 are connected and integrally formed by the connecting portion 40, but the present invention is not limited to this, and for example, the left and right side support members are not connected. May be good.

Further, in the above-described embodiment, the engaging portion 33 is configured to be hooked on the side frame 11 from above, but the present invention is not limited to this. For example, the engaging portion may be configured to engage a hole formed in the side frame. Further, the engaging portion may be configured to engage with a hook-shaped portion formed on the side frame.

Further, in the above-described embodiment, the side support portion 31 has a substantially trapezoidal shape in which the width in the front-rear direction increases toward the inside in the left-right direction, but the present invention is not limited to this. For example, the side support portion may have a shape in which the width of a part of the side support portion in the front-rear direction becomes larger toward the inside in the left-right direction, instead of the entire side support portion. Further, the side support portion may have a substantially rectangular shape, for example, in which the width in the front-rear direction hardly changes.

Further, in the above-described embodiment, the side support portion 31 having the first support surface 31A has a plate shape, but the present invention is not limited to this. For example, the side support portion may have a thickness such that it has a substantially triangular shape in a cross section viewed along the front-rear direction.

Further, in the above-described embodiment, the first support surface 31A is an inclined surface located upward toward the left and right outer sides, but the present invention is not limited to this, and for example, the first support surface is a surface facing upward. There may be. The first support surface may be a flat surface or a curved surface.

Further, in the above-described embodiment, the side support member 30 as the first support member and the rear support member 70 as the second support member are provided so as to cover and wrap a part of the entire circumference of the support wire 20. It was formed integrally with 20, but is not limited to this. For example, the first support member and the second support member may be integrally formed with the support wire by engaging a U-shaped or C-shaped portion in cross section with a part of the support wire. That is, the first support member and the second support member may have a configuration that does not cover (wrap) the entire circumference of the support wire 20.

Further, in the above-described embodiment, only one first support wire 21 is arranged in the center in the left-right direction, but the present invention is not limited to this, and for example, a plurality of first support wires 21 may be arranged side by side in the left-right direction. Further, in the above-described embodiment, the second support wire 22 (support wire 20) is exemplified as the linear member, but the present invention is not limited to this, and for example, the linear member is at least partially left and right, such as an S spring. It may be an elastically deformable member that is bent alternately in the direction.

Further, in the above-described embodiment, the front frame 12 and the rear frame 13 are exemplified as the front and rear cross members, but the present invention is not limited thereto. For example, the cross member on the front side may be the pan frame 14 shown in FIG. Further, the cross member on the rear side may be a member formed of a metal plate or the like instead of a member formed of a pipe material. Further, in the above-described embodiment, the side frame formed from a metal plate has been exemplified, but the present invention is not limited to this, and for example, a side frame may be formed from a pipe material or the like.

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

In addition, each element described in the above-described embodiment and modification may be arbitrarily combined and implemented.

11 Side frame 12 Front frame 13 Rear frame 22 2nd support wire 30 Side support member 31 Side support part 31A 1st support surface 33 Engagement part 40 Connecting part 70 Rear support member 71A 2nd support surface 80 Cover member F1 Cushion frame S Vehicle seat

Claims (7)

A cushion frame having left and right side frames arranged apart from each other on the left and right, and front and rear cross members connecting the left and right side frames.
The left and right linear members, which are arranged apart from each other on the left and right and erected on the front and rear cross members,
The cushion pad over the cushion frame and
The skin material covered on the cushion pad and
The left and right first support members made of resin and integrally formed with the linear member are provided.
The cushion pad has a hanging groove for hanging the skin material, and has a hanging groove.
The first support member has an engaging portion that engages with the side frame, and is arranged so as to straddle the suspension groove in the left-right direction, and a portion inside the suspension groove in the left-right direction is formed. A vehicle seat characterized in that it is larger than a portion outside the hanging groove. A cushion frame having left and right side frames arranged apart from each other on the left and right, and front and rear cross members connecting the left and right side frames.
The left and right linear members, which are arranged apart from each other on the left and right and erected on the front and rear cross members,
The cushion pad over the cushion frame and
The skin material covered on the cushion pad and
The left and right first support members made of resin and integrally formed with the linear member are provided.
The cushion pad has a hanging groove for hanging the skin material, and has a hanging groove.
The first support member has a first support surface that is inclined so as to be located upward toward the outside in the left-right direction, is arranged so as to straddle the suspension groove, and is arranged from the suspension groove in the left-right direction. A vehicle seat characterized in that the inner portion is larger than the outer portion of the hanging groove. The first support member according to claim 1 or 2, wherein a portion inside the hanging groove has a larger dimension in the left-right direction than a portion outside the hanging groove in the left-right direction. The listed vehicle seat. Claims 1 to 3 of the first support member, wherein the portion inside the suspension groove has a larger dimension in the front-rear direction than the portion outside the suspension groove in the left-right direction. The vehicle seat according to any one of the items. The hanging groove includes a first groove extending in the front-rear direction and a second groove extending in the left-right direction.
The vehicle seat according to any one of claims 1 to 4, wherein the first support member overlaps with the first groove and does not overlap with the second groove when viewed from above. The hanging groove is located behind the second groove and further includes a third groove extending in the left-right direction.
The vehicle seat according to claim 5, wherein the first support member is located behind the second groove and before the third groove. With a seat back and a headrest,
The method according to any one of claims 1 to 6 , wherein the seat back includes a seat back frame, a pad material and a skin material that cover the seat back frame. Vehicle seat.

Images