JP7237620B2 - Vehicle seat and vehicle having it - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat, and more particularly to a vehicle seat having a support member provided inside a frame to support a passenger, and a vehicle having the same.

2. Description of the Related Art In a vehicle seat, a support member that is provided inside a seat cushion frame and supports an occupant is a plate-like resin member in which a metal wire is insert-molded (for example, Patent Document 1). . The support member has slanted portions that slant upward and extend outward from the left and right side edges of the rear portion of the main body. Since the inclined portion supports the buttocks of the occupant from the oblique sides, the supporting force on the buttocks of the occupant is dispersed. In addition, there is a well-known vehicle seat in which a pressure sensor is provided between a support member and a pad in order to confirm seating of an occupant (for example, Patent Document 2).

Patent No. 6309130 JP 2016-144987 A

The pressure sensor must be arranged so as to easily detect the pressure due to the load of the occupant. Moreover, when the wire harness electrically connected to the pressure sensor is fixed to the rear surface of the support member by a clip, the clip may easily come off due to the load of the occupant.

In view of the above background, the present invention provides a vehicle seat having a plate-shaped support member in which a metal wire is insert-molded, and a pressure sensor arranged in the support member, wherein the pressure sensor detects pressure. To provide a vehicle seat which is easy to remove and whose clips are difficult to come off.

In order to solve the above problems, at least some embodiments of the present invention provide a vehicle seat (1) having a seat cushion (2), wherein the seat cushion is provided with a pair of left and right side members (14). ), and front cross-members (15) and rear cross-members (16) connecting the front and rear corresponding ends of the side members respectively, and a metal wire ( 24) is formed of insert-molded resin, is supported by the frame so as to be positioned within the frame, and extends substantially parallel to the frame. a front mounting portion (22) for engaging said front cross member and a rear mounting portion (23) extending from said rear edge of said body for engaging said rear cross member for supporting an occupant; A support member (8), a pad (9) arranged on the front side of the frame and the support member, a skin material (10) covering the pad, and a part of the wire in plan view, a pressure sensor (25) attached to the front side of the support member, and the main body of the support member is a wire harness electrically connected to the pressure sensor at a position not overlapping the wire in plan view. It is characterized by having a plurality of clip attachment portions (35) to which clips for holding (27a) can be attached.

According to this configuration, since the pressure sensor is arranged on the wire, which is more rigid than resin, the portion on which the pressure sensor is placed flexes relatively little when the load of the occupant is applied. A significant amount of pressure is applied, making it easier for the pressure sensor to detect the pressure. In the vicinity of the wire, the load of the occupant is supported with a relatively large force, and the wire harness electrically connected to the pressure sensor is gripped by the clip mounting portion provided at a position that does not overlap the wire in a plan view. Therefore, the clip is restrained from coming off due to the load of the occupant.

In at least some embodiments of the present invention, in the configuration described above, the wires include a plurality of longitudinal wires (24a, 24b) extending in the front-rear direction, and at least a portion of the clip attaching portion includes a plurality of the It is characterized by being positioned between longitudinal wires.

According to this configuration, the space between the vertical wires can be effectively used.

In at least some embodiments of the present invention, in the configuration described above, the vertical wire includes a central vertical wire (24a) positioned at the center of the left and right so as to partially overlap the pressure sensor in a plan view, and the support member. a pair of left and right side longitudinal wires (24b) passing through the sides, and at least more than half of said clip attachment portions provided between said central longitudinal wire and each said side longitudinal wire; It is characterized by being positioned laterally outward from the center between the central longitudinal wire and each of the side longitudinal wires.

According to this configuration, since many clip mounting portions are arranged on the side vertical wire side where the influence of the load of the occupant is relatively small, the influence of the load of the occupant on the clip is suppressed.

In at least some embodiments of the present invention, in the configuration described above, the clip mounting portion includes a hole vertically penetrating the support member, and the main body of the support member is positioned to the left and right of the portion where the width in the horizontal direction is the maximum. When the directional width is divided into three equal parts and divided into a central area (A) and two left and right side areas (B), the number of clip attachment portions included in each side area is It is characterized by having more than the number of said clip attaching parts included.

According to this configuration, although the rigidity of the support member is reduced by providing the through hole forming the clip attachment portion in the support member, it is possible to suppress the deterioration of the rigidity of the central region near the pressure sensor.

In at least some embodiments of the present invention, in any one of the above configurations, the wire includes a plurality of horizontal wires (24c) extending in the left-right direction, and at least a portion of the clip attaching portion includes a plurality of It is positioned between the horizontal wires.

According to this configuration, the space between the horizontal wires can be effectively used.

In at least some embodiments of the present invention, in the configuration described above, the support member has inclined portions (21) extending outward from left and right side edges of the rear portion of the main body while being inclined toward the front side, and the clip At least part of the mounting portion is arranged forward of the inclined portion and rearward of the pressure sensor.

According to this configuration, since the inclined portion is positioned higher than the main body, arranging the clip attachment portion in the above region makes it difficult for the occupant to apply a load to the clip.

In at least some embodiments of the present invention, in the configuration described above, the main body is positioned below the upper end of the front attachment portion, and at least a portion of the clip attachment portion extends from the first It is characterized by being located inside a triangle (C) connecting the center of the rear edge of the mounting portion in the left-right direction and the inside of the front edges of the left and right inclined portions in the left-right direction.

According to this configuration, since the first attachment portion and the inclined portion are positioned above the main body, the clip attachment portion is arranged in the triangular region surrounded by the first attachment portion and the occupant's load is applied to the clip. it gets harder.

In at least some embodiments of the present invention, in any of the above configurations, the main body of the support member has an opening (28), the wire harness is routed below the support member, and is planar. It is attached to the clip so as to visually overlap the opening.

According to this configuration, the mounting state of the wire harness routed on the back side of the support member can be confirmed from above through the opening.

According to at least some embodiments of the present invention, there is provided a vehicle having a pair of left and right configurations, wherein the support member of each of the vehicle seats includes a plurality of clip attachment portions arranged on the left and right sides in a plan view. It is characterized by being arranged symmetrically with respect to a center line extending forward and backward from the center.

According to this configuration, when a common support member is used for two seats, wire harnesses and the like attached to the support member via clips can be arranged symmetrically in the two seats.

According to the present invention, since the pressure sensor is placed on the wire, which has a higher rigidity than resin, the portion where the pressure sensor is placed flexes relatively little when the passenger's load is applied. A significant amount of pressure is applied, making it easier for the pressure sensor to detect the pressure. In the vicinity of the wire, the load of the occupant is supported with a relatively large force, and the wire harness electrically connected to the pressure sensor is gripped by the clip mounting portion provided at a position that does not overlap the wire in a plan view. Therefore, the clip is restrained from coming off due to the load of the occupant.

At least some embodiments of the present invention allow for efficient use of the space between the longitudinal wires because at least a portion of the clip attachment portion is located between the longitudinal wires.

In at least some embodiments of the present invention, at least more than half of the clip attachments provided between the central longitudinal wire and each side longitudinal wire are located between said central longitudinal wire and each said side longitudinal wire. Since the clips are positioned laterally outward of the center between the wires, the impact of the load of the occupant on the clips is suppressed.

According to at least some embodiments of the present invention, the number of clip mounting portions including through-holes is larger in the side regions than in the central region, thereby suppressing a decrease in stiffness in the central region near the pressure sensor. .

At least some embodiments of the present invention enable efficient use of the space between the transverse wires by having at least a portion of the clip attachment portion located between the transverse wires.

In at least some embodiments of the present invention, at least a portion of the clip mounting portion is located forward of the ramp and rearward of the pressure sensor, thereby making it difficult for the clip to be loaded by the occupant.

In at least some embodiments of the present invention, at least a portion of the clip mounting portion is a triangle connecting the center of the rear edge of the front mounting portion in the left-right direction and the inner side of the front edge of the left and right inclined portions in the left-right direction in plan view. By positioning the clip on the inner side of the clip, it is difficult for the clip to be loaded by an occupant.

In at least some embodiments of the present invention, the wire harness is routed below the support member and overlaps the opening in a plan view, thereby mounting the wire harness routed on the back side of the support member. The state can be confirmed from above through the opening.

According to at least some embodiments of the present invention, a plurality of clip attachment portions are arranged symmetrically with respect to a center line extending forward and backward from the center in the left and right direction in a plan view, so that the pair of left and right seats can be used in common. When the support member is used, wire harnesses and the like attached to the support member via clips can be arranged in a bilaterally symmetrical manner in the two seats.

Side view of the seat according to the embodiment A plan view of a frame and a support member according to the embodiment FIG. 2 is a front perspective view of a support member according to an embodiment;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the front-rear, left-right, and up-down directions follow the front-rear, left-right, and up-down directions of the vehicle unless otherwise specified.

As shown in FIG. 1, a seat 1 is used as a driver's seat and/or a passenger's seat of a vehicle and has a seat cushion 2, a seat back 3 and a headrest 4. As shown in FIG. The seat cushion 2 is supported by a pair of left and right slide rails 6 fixed to the floor 5 of the passenger compartment so as to be slidable forward and backward. The seat 1 also has a flexible pad 9 made of urethane foam or the like arranged on the frame 7 and the support member 8 (see FIG. 2), and a skin material 10 covering the pad 9 . The slide rail 6 has a lower rail 11 coupled to the floor 5 and an upper rail 12 supported by the lower rail 11 so as to be slidable back and forth.

As shown in FIG. 2, the seat cushion 2 is supported by a frame-shaped frame 7 and positioned within the frame 7, and is attached to the seat via a skin material 10 and a pad 9 (see FIG. 1). and a support member 8 for resiliently supporting the load of one passenger. The frame 7 and the support member 8 form a substantially mirror-symmetrical shape (left-right symmetrical shape in a plan view) with respect to a central plane perpendicular to the left-right direction.

The frame 7 includes a pair of left and right side members 14, 14, a front cross member 15 connecting front ends of the pair of left and right side members 14, 14, and a rear end of the pair of left and right side members 14, 14. It has a rear cross member 16 to be connected, and a pan frame 17 which is connected to the front end portions of the pair of left and right side members 14 , 14 and whose left and right intermediate portions are located forward of the front cross member 15 . The pair of left and right side members 14, 14 are long members made of sheet metal that are long in the front-rear direction, and flanges are formed on the upper and lower sides. The front cross member 15 and the rear cross member 16 are made of metal pipes extending in the left-right direction. The pan frame 17 is made of sheet metal and has a surface generally along the front portion of the seat surface.

As shown in FIGS. 2 and 3, the support member 8 includes a plate-like main body 20 extending substantially parallel to the frame 7 and a rear portion 20a of the main body 20 that is inclined outward from left and right side edges. a front mounting portion 22 extending forward from the front edge of the main body 20 to engage the front cross member 15; and a rear cross member extending obliquely upward and rearward from the rear edge of the main body 20. and a rear mounting portion 23 that engages the member 16 . The main body 20 and the inclined portion 21 are positioned within the frame 7 in plan view. The front side of the main body 20 is slightly slanted upward with respect to the rear portion 20a from the intermediate position in the front-rear direction. The support member 8 is made of resin in which a metal wire 24 is insert-molded, bends under the load of the occupant, and elastically supports the occupant. The front mounting portion 22 is engaged with the front cross member 15 from above. It has front attachment pieces 22b, 22b. The rear mounting portion 23 is engaged with the rear cross member 16 from above, and has a first rear mounting piece 23a positioned in the center in the left-right direction and a pair of second rear mounting pieces positioned near the left and right ends. 23b, 23b. As described above, since the front mounting portion 22 and the rear mounting portion 23 are each separated into three parts, the front cross member 15 and the rear cross member 16 can be easily mounted. In addition, the main body 20 is positioned below the upper end of the front mounting portion 22 and the upper end of the rear mounting portion 23 . The wires 24 are composed of a central vertical wire 24a positioned in the left-right center and extending back and forth, a pair of left and right side vertical wires 24b, 24b extending back and forth partially passing through the inclined portion, and generally extending in the left and right direction. and a plurality of transverse wires 24c extending to the .

Seat 1 (see FIG. 1) employs a seat belt reminder (SBR) system that warns if the occupant is seated but not wearing a seat belt. 25 is installed. A sensor mounting portion 26 on which a pressure sensor 25 is mounted is formed on the front side of the central portion in the left-right direction of the front portion 20 b of the main body 20 . The central vertical wire 24 a runs vertically through the sensor mounting portion 26 . A pressure sensor 25 detects pressure applied to the seat cushion 2 in order to determine whether or not an occupant is seated on the seat 1 . Since the load of the occupant is dispersed by the inclined portion 21, the rear portion 20a of the main body 20 receives less pressure when the passenger is seated. Therefore, the pressure sensor 25 is arranged at a position shifted forward with respect to the inclined portion 21 so as not to be affected by the pressure dispersion caused by the inclined portion 21 . Therefore, the accuracy of seating determination by a seating determination means (not shown) such as an ECU that receives a signal from the pressure sensor 25 via the connector 27 and the wire harness 27a is improved. Further, since the pressure sensor 25 is supported by the central vertical wire 24a having higher rigidity than resin, the pressure sensor is easily applied with pressure due to the load of the occupant.

The seat 1 (see FIG. 1) employs an air ventilation system that sucks or blows air against the surface of the seat 1 to adjust the humidity. , a pair of air openings 28, 28 are provided vertically penetrating so as to provide air passages. Each of the air openings 28 is generally rectangular in plan view, and the left and right side edges of the air openings 28 , 28 define the left and right side edges of the sensor mounting portion 26 . In the resin portion formed by the sensor mounting portion 26 sandwiched between the pair of air openings 28, 28, a center vertical wire 24a for reinforcement is embedded, passing along the vertical direction.

Further, in the rear part 20a of the main body 20, there are through holes for engaging a plurality of hooks (not shown) attached to the ends of the upholstery material 10 and for adjusting the bending of the support member 8. A central locking hole 29 located in the center and a pair of side locking holes 30, 30 located on the left and right sides of the central locking hole 29 are provided. The central locking hole 29 and the pair of side locking holes 30, 30 each form a rectangle in plan view.

The inclined portion 21 is formed with a tubular portion 31 projecting downward (backward in a direction perpendicular to the main body 20), and a clip 32 can be attached to the tubular portion 31 from below. The clip 32 holds another member at its lower portion, and engages with a through hole provided in the bottom wall of the tubular portion 31 at its upper portion so as to be engaged with the upper surface of the bottom wall of the tubular portion 31, thereby providing a supporting member. Fixed to 8. Since the upper end of the clip 32 engaged with the tubular portion 31 is located inside the tubular portion 31 and does not protrude upward from the surface of the inclined portion 21, even if the clip 32 is attached to the tubular portion 31, the seating feeling is affected. do not give The cylindrical portion 31 is positioned between the left-right inner edge of each inclined portion 21 (boundary between the inclined portion 21 and the rear portion 20a) and the left-right outer edge. 1/3 of the lateral width of the inclined portion 21 from the edge, more preferably, from the laterally inner edge of the lateral direction of the inclined portion 21 to the outside of 1/2 of the lateral width of the inclined portion 21 . Due to the load of the occupant acting on the inclined portion 21, the moment closer to the inner edge in the left-right direction is borne by the inclined portion 21. By arranging the clip 32, the clip 32 can be attached at a site where the load of the moment is less likely to be received.

Side cutouts 33 are formed in the left and right side edges of the support member 8 in front of the inclined portion 21 and in the rear end portion of the front portion 20 b of the main body 20 . By providing the side notches 33, the support member 8 can be made smaller and lighter.

The side cutouts 33 are provided, and the intermediate portions of the left and right edges of the front portion 20b are positioned further outward than the left and right edges of the front mounting portion 22, so that the front portion 20b has both left and right sides. A feather portion 34 is formed. The wings 34 are not inclined with respect to the middle portion in the left-right direction of the front portion 20b. A portion of the wing portion 34 is aligned with the pressure sensor 25 in the left-right direction. Since the load applied to the front portion 20b is dispersed by the wings 34, application of an excessive load to the pressure sensor 25 is suppressed. The length of the front portion 20b in the front-rear direction is shorter than the length of the rear portion 20a in the front-rear direction. Therefore, the load applied to the front portion 20b is reduced, and the load applied to the rear portion 20a is distributed laterally, thereby improving the strength of the support member 8 as a whole. In order to suppress a decrease in rigidity between the wing portion 34 and the sensor mounting portion 26, the longitudinal length of the air opening 28 is preferably 1.2 times or less the longitudinal length of the pressure sensor.

A plurality of clip attachment holes 35 for attaching clips 32 are provided in the front portion 20b. The clip mounting hole 35 is provided at a position that is shifted left and right and front and rear with respect to the sensor mounting portion 26 . Moreover, the clip attachment hole 35 is provided at a position not overlapping the wire 24 in plan view. In order to effectively utilize the space between the wires 24, at least part of the clip attachment holes 35 are located between the central vertical wire 24a and the side vertical wires 24b, and at least part of the clip attachment holes 35 are It is positioned between a plurality of horizontal wires 24c. More than half of the clip mounting holes 35 located between the central longitudinal wire 24a and the side longitudinal wires 24b are arranged between the central longitudinal wire 24a and each side longitudinal wire 24b in order to reduce the effect of the occupant's load on the clip 32. It is preferable that it is located on the left and right outside of the center between the vertical wires 24b. The pressure applied to the pressure sensor 25 may be affected by the tip of the clip 32 protruding from the clip mounting hole 35 to the front side of the support member 8 , but the clip mounting hole 35 is positioned forward and backward and left and right with respect to the sensor mounting portion 26 . Since it is provided at a shifted position, its influence is suppressed. In addition, in order to make the supporting member 8 near the sensor mounting portion 26 easy to flex, instead of displacing a part of the clip mounting hole 35 back and forth with respect to the sensor mounting portion 26, it is not displaced back and forth ( It may be provided at a position aligned in the left-right direction. A portion of the clip attachment hole 35 is provided behind the rear edge of the pressure sensor 25 in order to effectively utilize the space between the sensor mounting portion 26 and the rear portion 20a. Further, when the main body 20 of the support member 8 is divided into three equal parts by the width in the left-right direction of the portion where the width in the left-right direction is the largest, and divided into a central region A and two left and right side regions B, B, each side The number of clip attachment holes 35 included in the partial region B is greater than the number of clip attachment holes 35 included in the central region A. By arranging the clip attachment holes 35 in this way, it is possible to suppress a decrease in rigidity of the central region A near the pressure sensor 25 . At least a portion of the clip mounting hole 35 is positioned inside a triangle C connecting the center of the rear edge of the first front mounting piece 22a in the left-right direction and the inner side of the front edge of the left and right inclined portions 21 in the left-right direction in plan view. Located in Since the first front attachment piece 22a and the inclined portion 21 are located above the main body 20, the clip attachment hole 35 is arranged in the region surrounded by them, so that the load from the occupant is less likely to be applied to the clip. . Also, for the same reason, at least part of the clip mounting hole 35 is arranged forward of the inclined portion 21 and rearward of the pressure sensor 25 . A part of the clip attachment hole 35 is provided at a position aligned with the side notch 33 in the left-right direction. As a result, when the pressure sensor 25 receives a load, the area closer to the front portion 20b than the inclined portion 21 can be easily bent. Moreover, in order to effectively use the space in the left-right direction, it is preferable that part of the clip attachment holes 35 be arranged side by side in the front-rear direction. A clip mounting hole 35 may be provided in the wing portion 34 in order to increase the positions where the clip 32 can be mounted. It should be noted that the clip 32 and the members held by the clip 32 may be arranged to avoid the height brake (not shown) that regulates the elevation of the seat cushion 2 in plan view so as not to affect the height brake. preferable. Moreover, it is preferable that a part of the clip attachment hole 35 is provided in the vicinity of the wings 34 and the second front attachment piece 22b to weaken the rigidity of the periphery thereof. It is preferable that the clip attachment hole 35 is arranged in the front portion 20b located forward of the inclined portion 21 and not provided in the rear portion 20a of the main body 20. As shown in FIG. Since the load of the occupant is likely to be applied to the inclined portion 21 and the rear portion 20a adjacent to the inclined portion 21 on the left and right sides, the provision of the clip mounting holes 35 in the front portion 20b, which is relatively hard to receive the load, reduces the strength of the rear portion 20a. can be suppressed.

At least some of the clips 32 grip the wire harness 27a electrically connected to the pressure sensor 25 via the connector 27 and are attached to the clip attachment holes 35 from the back side of the support member 8 . The wire harness 27a is preferably routed below the support member 8 so as to overlap the air opening 28 in plan view so that the mounting state can be confirmed. Moreover, the clip 32 holding the wire harness 27a is preferably attached to a clip attachment hole 35 provided in the vicinity of the opening 28 for air. It is preferable that the clip attachment holes 35 are arranged symmetrically with respect to a center line extending in the front-rear direction in the left-right center in a plan view. By arranging the clip mounting holes 35 left-right symmetrically, even when it is desired to arrange the members held by the clips 32 such as the wire harness 27a in the opposite direction between the driver's seat and the front passenger's seat, the common support member 8 can be placed on the driver's seat. and passenger seat.

A portion of the front portion 20b of the main body 20 on the left and right outside the air opening 28 has a crank shape 36 in which the front is lower than the rear when viewed from the side, and the rigidity reduced by the side cutouts 33 is reduced. Compensating. Since the crank shape 36 is lower at the front than at the rear, the load on the legs of the occupant is small. Further, the portions near the left and right outer sides of the pair of left and right air openings 28, 28 in the main body 20 are bent when viewed from the front so as to be connected to the portion lowered by the crank shape 36 in the front portion 20b of the main body 20. A portion 37 is provided. The bent portion 37 extends from the vicinity of the air opening 28 to the vicinity of the front edge of the main body 20 . The bent portion 37 compensates for the rigidity reduced by the pair of left and right air openings 28 , 28 . A flange 38 protruding to the front side is provided on the outer edge portion in the left-right direction of the feather portion 34 . Further, the front portion 20b is provided with a front wall portion 39 extending outward in the left-right direction from the front end of the bent portion 37 to reach the front end of the flange 38 . The crank shape 36, the bent portion 37, the flange 38 and the front wall portion 39 define recesses 40 on the front surface of both left and right sides of the front portion 20b. In addition, when the clip mounting hole 35 is provided in the portion lowered by the recess 40 and another member is attached to the back side thereof by the clip 32, the effect of the tip of the clip 32 protruding to the front side is alleviated by the recess 40, and the seating comfort is reduced. and the influence on the pressure sensor 25 is suppressed. In addition, even if the front side is lowered, the rear side supports the buttocks of the occupant, so the influence of the recessed portion 40 on the support of the buttocks is small, and the deterioration of the seating feeling is suppressed. Since the portion 37, the flange 38 and the front wall portion 39 improve the rigidity of the periphery thereof, the mounting stability of the second front mounting pieces 22b arranged on both left and right sides to the front cross member 15 is improved.

A connecting portion 41 in which the wire 24 is embedded is formed between the sensor mounting portion 26 and the first front attachment piece 22a. The outer contour of the first front attachment piece 22 a is substantially rectangular in plan view, and the width in the left-right direction is wider than the width in the left-right direction of the sensor mounting portion 26 . Therefore, the swinging of the support member 8 about the front-rear direction is suppressed. Preferably, the left edge of the sensor mounting portion 26 is positioned to the right of the left edge of the first front mounting piece 22a, and the right edge of the sensor mounting portion 26 is positioned to the right of the first front mounting piece 22a. Located to the left of the edge.

The first front mounting piece 22 a has a first mounting piece opening 42 in the curved portion that engages the front cross member 15 . The first attachment piece opening 42 makes it possible to partially bend the support member 8 easily while suppressing a decrease in the attachment strength of the first front attachment piece 22 a to the front cross member 15 . The first mounting piece opening 42 has two inner openings 42a and two outer openings 42b provided laterally outwardly of the inner openings 42a. The lateral lengths of the inner opening 42a and the outer opening 42b are substantially equal to each other, and the longitudinal length of the inner opening 42a is longer than the longitudinal length of the outer opening 42b. Due to the difference in size between the inner opening 42a and the outer opening 42b, the inner side of the support member 8 in the left-right direction can be easily bent, and the application of an extreme load to the pressure sensor 25 can be suppressed. In addition, in the extension range in the left-right direction, the inner opening 42a overlaps the sensor mounting portion in a wider range than the outer opening 42b, so the sensor mounting portion 26 is easily bent.

The second front mounting piece 22b has a second mounting piece opening 43 in a curved portion that engages with the front cross member 15, and a notch 44 provided in the outer side edge in the left-right direction. The second mounting piece opening 43 and the notch 44 have approximately the same length in the left-right direction, and also have approximately the same length in the front-rear direction. The second attachment piece opening 43 and the notch 44 allow the outer side of the support member 8 to be easily bent in the left-right direction while suppressing a decrease in the attachment strength of the second front attachment piece 22b to the front cross member 15 .

The sensor mounting portion 26 has a mounting portion opening 45 whose top is covered with the pressure sensor 25 , engaging claws 46 that engage with the pressure sensor 25 , and a pair of left and right sides that engage the left and right side edges of the pressure sensor 25 . locking ribs 47, 47. Since the sensor mounting portion 26 is aligned in the front-rear direction with respect to the first front mounting piece 22a, the pressure sensor 25 is mounted at a relatively stable portion within the support member 8. The pressure sensor 25 is further stabilized because it is engaged with the locking ribs 47 which are located inside the right and left side edges of the first front attachment piece 22a in the left-right direction. Further, the engaging claw 46 is positioned inside the left and right side edges of the first front attachment piece 22a in the left-right direction, and is aligned with at least a portion of the first attachment piece opening 42 in the front-rear direction. Therefore, when a load is applied to the pressure sensor 25 , the portion of the support member that receives the load can be easily bent with respect to the front cross member 15 . In order to allow the sensor mounting portion 26 and its vicinity to be easily bent, the mounting portion opening 45 is preferably aligned with a portion of the clip mounting hole 35 in the left-right direction.

As shown in FIG. 3, the pan frame 17 may be provided with clip attachment holes 35 .

Since the pressure sensor 25 is arranged on the central vertical wire 24a, which is more rigid than resin, the sensor mounting portion 26 is flexed relatively little when the load of the occupant is applied, and the pressure sensor 25 receives a relatively large pressure. This makes it easier for the pressure sensor 25 to detect the pressure. In the vicinity of the wire 24, the load of the occupant is supported with a relatively large force. Since it is attached to the provided clip attachment hole 35, the clip 32 is restrained from coming off under the load of the occupant.

Although the specific embodiments have been described above, the present invention is not limited to the above embodiments and can be widely modified. The configuration of the above embodiment may be applied to a seat of a vehicle other than a vehicle, such as an airplane. Instead of the clip attachment hole and/or the tubular portion, a protrusion to which the clip can be attached may be provided on the back surface of the support member.

1: Seat 2: Seat cushion 8: Support member 9: Pad 10: Skin material 14: Side member 15: Front cross member 16: Rear cross member 20: Main body 20a: Rear 20b: Front 21: Inclined portion 22: Front Part mounting part 23: Rear mounting part 25: Pressure sensor 28: Air opening (opening)
32: Clip 33: Side notch 35: Clip mounting hole (clip mounting portion)

Claims (9)

A vehicle seat having a seat cushion,
a frame-shaped frame provided on the seat cushion and having a pair of left and right side members, and a front cross member and a rear cross member connecting corresponding front and rear ends of the side members, respectively;
A plate-shaped main body formed of resin in which a metal wire is insert-molded, supported by the frame so as to be positioned within the frame, and extending substantially parallel to the frame; a support member for supporting an occupant, having a front mounting portion that engages a front cross member and a rear mounting portion that extends from a rear edge of the body and engages the rear cross member;
a pad disposed on the front side of the frame and the support member;
a skin material covering the pad;
a pressure sensor attached to the front side of the support member so as to overlap a part of the wire in plan view;
The main body of the support member has a plurality of clip attachment portions to which clips for holding a wire harness electrically connected to the pressure sensor can be attached at positions not overlapping the wires in a plan view. vehicle seat. The wire includes a plurality of vertical wires extending in the front-rear direction,
2. The vehicle seat according to claim 1, wherein at least a portion of said clip attachment portion is positioned between said plurality of longitudinal wires. The vertical wires include a central vertical wire positioned at the center of the left and right so as to partially overlap the pressure sensor in a plan view, and a pair of left and right side vertical wires passing through the sides of the support member,
At least more than half of the clip attachment portions provided between the central longitudinal wire and each of the side longitudinal wires are left and right of the center between the central longitudinal wire and each of the side longitudinal wires. 3. The vehicle seat of claim 2, wherein the vehicle seat is outwardly positioned. The clip mounting portion includes a hole vertically penetrating the support member,
When the main body of the support member is divided into three equal parts by the width in the left-right direction of the portion with the largest width in the left-right direction and divided into a central region and two left and right side regions, each of the side regions includes 4. The vehicle seat according to claim 3, wherein the number of said clip attachment portions is greater than the number of said clip attachment portions included in said central region. The wire includes a plurality of horizontal wires extending in the left-right direction,
The vehicle seat according to any one of claims 1 to 4, wherein at least part of said clip attachment portion is positioned between said plurality of lateral wires. The support member has inclined portions extending outward from the left and right side edges of the rear portion of the main body while being inclined toward the front side,
The vehicle seat according to any one of claims 1 to 5, wherein at least part of the clip mounting portion is arranged forward of the inclined portion and rearward of the pressure sensor. The main body is positioned below an upper end of the front mounting portion,
At least a portion of the clip attachment portion is positioned inside a triangle connecting the center of the rear edge of the front attachment portion in the left-right direction and the inside of the front edges of the left and right inclined portions in the left-right direction in plan view. 7. A vehicle seat according to claim 6. the body of the support member having an aperture;
The vehicle according to any one of claims 1 to 6, wherein the wire harness is routed below the support member and attached to the clip so as to overlap the opening in a plan view. sheet. A vehicle having a pair of left and right vehicle seats according to any one of claims 1 to 8,
A vehicle according to claim 1, wherein, in each of the support members of the vehicle seat, the plurality of clip attachment portions are arranged symmetrically with respect to a center line extending in the front-rear direction in the left-right center in a plan view.

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