JP6056602B2 - Vehicle seat - Google Patents

Description

  The present invention relates to a vehicle seat. More specifically, the present invention relates to a vehicle seat having a front bracket that supports the front skeleton of the seat cushion and a rear bracket that supports the rear skeleton of the seat cushion that is configured integrally with the front skeleton.

  Conventionally, in a vehicle seat, a skeleton of a seat cushion is fixed and supported on a floor via a bracket (Patent Document 1). Specifically, the bracket is formed of a plate material that is coupled to slide rails that are provided on the floor in a pair of left and right sides and that extends in the height direction. The seat cushion has a structure in which the front region and the rear region of the skeleton are supported by the bracket by being coupled to the side surface of the bracket formed by the plate material.

JP 2012-30632 A

  However, the conventional technology has a problem that the supporting strength is weak because the skeleton of the seat cushion is supported only from the side by the bracket. The present invention was devised to solve the above-described problems, and the problem to be solved by the present invention is to provide a simple and high structural strength support structure for supporting the skeleton of the seat cushion. .

In order to solve the above problems, the vehicle seat of the present invention takes the following means.
1st invention is a vehicle seat which has the front bracket which supports the front skeleton of a seat cushion, and the rear bracket which supports the rear skeleton of the seat cushion comprised integrally with the front skeleton. The front bracket is configured to be assigned to the front skeleton of the seat cushion from the lower side and to support the front skeleton from the lower side. Further, the rear bracket is configured to be assigned to the rear skeleton of the seat cushion from the side and to support the rear skeleton from the side.

  According to the first aspect of the invention, the front skeleton of the seat cushion is supported from the lower side by the front bracket, so that the seat cushion is supported with high support strength. Further, the rear skeleton of the seat cushion configured integrally with the front skeleton is configured to be applied by being connected to the side surface of the rear bracket so that the rear bracket supports the seat back or the seat belt buckle. Even in the case of being provided extending in the height direction for the purpose of attaching, it is possible to attach it to such a rear bracket in a good manner. Thus, the support structure that supports the skeleton of the seat cushion can be configured simply and with high structural strength.

  The second invention is the following configuration in the first invention described above. The front skeleton and the rear skeleton of the seat cushion are each formed of a pipe material. A concave portion having a shape capable of receiving and fitting the pipe material is formed in each surface portion to which the pipe material of the front bracket and the rear bracket is assigned.

  According to the second aspect of the present invention, each support of the front skeleton and the rear skeleton of the seat cushion by these brackets can be strengthened by a simple configuration in which the recesses are formed in the front bracket and the rear bracket, respectively.

  The third invention is the following configuration in the first or second invention described above. The rear bracket is configured to support the rear skeleton of the seat cushion from the outside of the seat.

  According to the third invention, the rear bracket can appropriately suppress the opening of the rear skeleton of the seat cushion to the outside, and the support strength of the rear skeleton can be further increased.

  According to a fourth invention, in any one of the first to third inventions described above, the following configuration is adopted. The rear bracket is formed of a plate material extending in the height direction, and is configured as a bracket that supports the seat back.

  According to the fourth aspect of the present invention, the rear skeleton of the seat cushion can be well connected to the bracket provided to extend in the height direction to support the seat back, thereby rationalizing the configuration.

  According to a fifth invention, in any of the first to fourth inventions described above, the following configuration is adopted. The skeleton of the seat cushion is formed of a pipe material bent into a U shape in a plan view that forms a skeleton along both the left and right side portions and the front side portion of the seat cushion. The rear bracket has a pair of configurations that respectively support the left and right rear ends that are both ends of the pipe material bent into the U-shape. A reinforcing frame is integrally bridged between the pair of rear brackets. Between the reinforcing frame and the front frame that forms a skeleton along the front side of the seat cushion of the pipe material, a support member that supports the seating load of the occupant immediately below is bridged.

  According to the fifth aspect of the present invention, since the seating load of the occupant is supported between the front and rear frames having high support strength, the support structure for supporting the skeleton of the seat cushion is embodied as a simple and high structure strength. can do.

1 is a perspective view illustrating a schematic configuration of a vehicle seat of Example 1. FIG. It is an expansion perspective view of the frame structure of a seat cushion. It is a top view of the frame structure of a seat cushion. It is IV arrow line view of FIG. FIG. 4 is a view taken in the direction of arrow V in FIG. 3. FIG. 4 is a view taken along arrow VI in FIG. 3. It is the VII-VII sectional view taken on the line of FIG.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated using drawing.

  First, the configuration of the seat 1 (vehicle seat) according to the first embodiment will be described with reference to FIGS. As shown in FIG. 1, the seat 1 according to the present embodiment is configured as a driver's seat of an automobile, and includes a seat back 2 that serves as a backrest for a seated occupant and a seat cushion 3 that serves as a seating portion. It is said that. The seat back 2 is supported by the lower end portions of the left and right sides being connected to the rear end portions of the left and right sides of the seat cushion 3, and the bottom portion of the seat cushion 3 is a pair of left and right slide rails. 4 is connected to and supported on the floor F through 4.

  Specifically, the above-described seat back 2 has a rear end on the same side of the seat cushion 3 via a recliner 5 whose lower end side portion on the vehicle outer side (left side in the drawing) functions as a rotation shaft device capable of stopping rotation. It is the state connected with the side part. Further, the seat back 2 is configured such that the lower end side portion on the vehicle inner side (right side in the drawing) can be rotated to the rear end side portion on the same side of the seat cushion 3 by a simple hinge pin 6 having no rotation stop function. It is supposed to be pivotally attached. Thus, the seat back 2 has a simple configuration in which only the side portion outside the vehicle is connected to the seat cushion 3 by the recliner 5 having a function of fixing the backrest angle. Note that the configuration of the recliner 5 described above is the same as a known configuration disclosed in a document such as Japanese Patent Application Laid-Open No. 2010-221935, and a specific description thereof will be omitted.

  As shown in FIG. 2, the seat cushion 3 has two left and right front portions and two left and right rear portions via a pair of left and right front brackets 20A and 20B and rear brackets 30A and 30B, respectively. Each slide rail 4 is connected to the upper rail 4B. Here, each slide rail 4 has a lower rail 4A fixedly installed on the floor F, and an upper rail 4B assembled so as to be slidable back and forth with respect to the lower rail 4A. The upper rail 4B and the lower rail 4A Between these, a slide lock device (not shown) capable of locking these slide operations is provided. In addition, about the structure of each slide rail 4 mentioned above, since it is the same structure as the well-known thing disclosed by literature, such as Unexamined-Japanese-Patent No. 2010-221935, concrete description shall be abbreviate | omitted. Moreover, in each figure shown in FIGS. 3-7, it is the figure by which the structure of the slide rail 4 was abbreviate | omitted.

  As shown in FIGS. 2 to 3, the front brackets 20 </ b> A and 20 </ b> B described above respectively support the left and right portions of the front part of the seat cushion 3 from below, and the rear brackets 30 </ b> A and 30 </ b> B are respectively seat cushions. It is the structure which supports two places of right and left of the rear part of 3 from the side. With this configuration, the seat cushion 3 is configured such that the left and right portions of the front portion thereof are supported by the front brackets 20A and 20B with high support strength from below. In addition, the seat cushion 3 is configured such that the left and right portions of the rear portion are well attached to and supported by rear brackets 30A and 30B configured as support brackets that support the seat back 2 as will be described later. .

  Hereinafter, the support structure of the seat cushion 3 described above will be described in more detail. As shown in FIGS. 2 to 3, the seat cushion 3 includes a pipe material 11 made of a circular steel pipe formed by bending a cushion frame 10 serving as a skeleton into a U shape in a plan view, and the pair of left and right described above. Reinforcement pipes 12 made of a circular steel pipe integrally bridged between the rear brackets 30A and 30B, and a support wire 13 bridged between the front frame part (front frame 11A) of these pipe members 11 and the reinforcement pipes 12 , Is composed of. Here, the reinforcing pipe 12 corresponds to the “reinforcing frame” of the present invention, and the support wire 13 corresponds to the “supporting member” of the present invention.

  The pipe material 11 described above is formed in a shape that forms a skeleton along both the left and right side portions and the front side portion of the seat cushion 3 by being bent in a U shape in a plan view as described above. In the pipe member 11, the front portions of the left and right side frames 11B and 11C forming a skeleton along the left and right side portions of the seat cushion 3 are integrally formed from the lower side by the front brackets 20A and 20B, respectively. It is in a supported state. Further, the pipe member 11 is in a state in which the rear portions of the left and right side frames 11B and 11C serving as the rear ends are respectively supported by the rear brackets 30A and 30B described above from the outside of the seat. ing.

  The reinforcing pipe 12 is formed of a straight circular steel pipe material, and is inserted into the rear brackets 30A and 30B on the respective sides and penetrates in the seat width direction, and is inserted into the rear brackets 30A and 30B on the respective sides. They are integrally welded and connected. The support wire 13 has a structure in which two steel wire wires extending in the sheet width direction are bridged between a pair of left and right steel wire wires extending in the front-rear direction.

  The support wire 13 has front and rear steel wire wires extending in the front-rear direction between the front frame 11A and the reinforcing pipe 12 that form a skeleton along the front side portion of the seat cushion 3 of the pipe member 11 described above. And are integrally welded and bonded to each other. As a result, the support wire 13 is bridged between the front and rear frame portions of the cushion frame 10 assembled in a square frame shape by the U-shaped pipe material 11 and the reinforcing pipe 12 described above. Due to the assembled wide support shape, the seating load of the occupant can be widely supported immediately below the seat.

  As shown in FIGS. 2 to 4, the front brackets 20 </ b> A and 20 </ b> B are each formed by pressing a single steel sheet into a U-shape. Specifically, the front brackets 20A and 20B are bent in a shape that stands up from the bottom surface portions 21A and 21B facing the surface in the seat height direction and the front and rear edges of the bottom surface portions 21A and 21B. It is formed by being bent into a U-shape when viewed from the side, having elevation surfaces 22A and 22B facing the surfaces so as to face each other. As shown in FIG. 2, the front brackets 20 </ b> A and 20 </ b> B described above have their bottom surface portions 21 </ b> A and 21 </ b> B applied to the upper surface portions of the upper rails 4 </ b> B of the slide rails 4 and are firmly integrated by bolt fastening. Are connected to each other.

  Moreover, as shown in FIG. 4, the side frames 11B and 11C of the above-described pipe material 11 are applied to the bent vertical surfaces 22A and 22B of the front brackets 20A and 20B. At the edges, curved concave portions 23A and 23B are formed that are recessed along the curved lower surface shape of the side frames 11B and 11C. The front brackets 20A and 20B are set in a state in which the lower surface portions of the side frames 11B and 11C are fitted in the recesses 23A and 23B, and the fitting portions are welded to each other, whereby the side frames 11B and 20B are welded. It is in a state of being firmly and integrally coupled to 11C.

  As shown in FIGS. 2 to 3 and FIGS. 5 to 7, the rear brackets 30 </ b> A and 30 </ b> B are each formed by pressing a single steel sheet into an L-shape. Specifically, the rear brackets 30A and 30B are bent in the seat width direction by being bent from the bottom surface portions 31A and 31B facing the surface in the seat height direction and the edges of the bottom surface portions 31A and 31B outside the seat. It is formed by being bent into an L-shape when viewed from the front, having upright portions 32A and 32B facing the surface. As shown in FIG. 2, the rear brackets 30 </ b> A and 30 </ b> B described above are attached to the top surface of the upper rail 4 </ b> B of the slide rail 4 at the front and rear portions of the bottom surface portions 31 </ b> A and 31 </ b> B, respectively, and are bolted. Therefore, it is in a state of being firmly and integrally coupled.

  In addition, the side frames are provided at the intermediate portions in the height direction in which the rear end portions of the side frames 11B and 11C of the pipe material 11 described above are applied to the raised surfaces 32A and 32B of the rear brackets 30A and 30B. Curved recesses 33A and 33B that are recessed in a semi-cylindrical shape are formed along the curved side surface shapes of 11B and 11C. As shown in FIGS. 2 and 5 to 7, the rear brackets 30 </ b> A and 30 </ b> B are arranged in the side frames 11 </ b> B and 11 </ b> C in the recesses 33 </ b> A and 33 </ b> B formed in the intermediate portions in the height direction of the rising surfaces 32 </ b> A and 32 </ b> B. These side portions are set in a fitted state, and the fitting portions are welded to each other, so that the side frames are firmly and integrally coupled to the side frames 11B and 11C.

  Here, as shown in FIG. 5 to FIG. 7, the side brackets 11 </ b> B and 11 </ b> B are formed in the regions where the side frames 11 </ b> B and 11 </ b> C are fitted, Slot-shaped slits 34A and 34B extending along the length direction (front-rear direction) of the frames 11B and 11C are formed. Then, the welding of the rear brackets 30A, 30B and the side frames 11B, 11C described above is performed by applying an arc welding torch between the contact portions exposed to the outside from the slits 34A, 34B described above. Yes. Specifically, as shown in FIG. 7, the above-mentioned welding is performed by arc welding between the contact portions of the side frames 11B and 11C exposed upward in the slits 34A and 34B and the lower surfaces of the slits 34A and 34B. Torch is applied.

  By making such a part to be welded, the operator can easily recognize the above-mentioned welding location from the oblique upper side, and easily apply the arc welding torch from the upper oblique side. Therefore, welding work can be performed easily. In addition, since the above-mentioned welding location is set to a non-downward-facing surface portion (sideways or upward-facing surface portion) in the recesses 33A and 33B of the rear brackets 30A and 30B, input to the side frames 11B and 11C. The applied load acts as a compressive force on each welding point. Therefore, it is difficult for the welding to peel off, and the two can be held in a tightly coupled state.

  The rear brackets 30A and 30B described above are formed such that their elevational surfaces 32A and 32B extend in a triangular shape from the connecting position with the upper rail 4B of each slide rail 4 to the rear upper side. Yes. The rear brackets 30A and 30B are attached with components (extension bracket 40 and hinge pin 6) for supporting the seat back 2 at the end portions extending to the rear upper side of the elevation surfaces 32A and 32B. Thus, the seat back 2 is supported from below.

  Specifically, the rear surface bracket 30A of the rear bracket 30A outside the vehicle is previously connected to the lower end side portion (outside portion) of the back frame 2F constituting the skeleton of the seat back 2 via the recliner 5 in advance. The attached extension bracket 40 made of thick steel plate is attached in a state of being integrally coupled by bolt fastening. Specifically, the extension bracket 40 is attached to the outer surface of the elevation surface portion 32A of the rear bracket 30A. Further, the rear bracket 30B on the vehicle inner side has a lower end side portion (outer side portion) on the vehicle inner side of the back frame 2F that forms the skeleton of the seat back 2 described above at the upper end portion of the elevation surface portion 32B via the hinge pin 6. It is attached in a pivotally mounted state. A lower end side portion on the vehicle inner side of the back frame 2F is attached to the inner side surface of the elevation surface portion 32B of the rear bracket 30B. With the above configuration, the seat back 2 is supported from below by the rear brackets 30A and 30B.

  Thus, the seat 1 of the present embodiment includes the front brackets 20A and 20B that support the front skeleton (the front portions of the side frames 11B and 11C) of the seat cushion 3, and the front skeleton (the front of the side frames 11B and 11C). And rear brackets 30A and 30B that support the rear skeleton (rear end portions of the side frames 11B and 11C) of the seat cushion 3 configured integrally with the rear portion. The front brackets 20A and 20B are assigned to the front skeleton of the seat cushion 3 (front portions of the side frames 11B and 11C) from the lower side and support the front skeleton from the lower side. The rear brackets 30A and 30B are assigned to the rear skeleton (rear end portions of the side frames 11B and 11C) of the seat cushion 3 from the side to support the rear skeleton from the side. Yes.

  With such a configuration, the front skeleton of the seat cushion 3 (the front portions of the side frames 11B and 11C) is supported from below by the front brackets 20A and 20B, thereby supporting with high support strength. It is supposed to be configured. The rear skeleton (rear end portions of the side frames 11B and 11C) configured integrally with the front skeleton is applied to the side surfaces of the rear brackets 30A and 30B and joined together. In this way, it is possible to attach to the rear brackets 30A and 30B provided to extend in the height direction to support the seat back 2 in a good manner. Thus, the support structure that supports the skeleton of the seat cushion 3 can be configured simply and with high structural strength.

  Further, the front skeleton (the front part of the side frames 11B and 11C) and the rear skeleton (the rear end part of the side frames 11B and 11C) of the seat cushion 3 are each formed by bending one pipe member 11. ing. Then, the concave portions 23A, 23B, 33A, 33B having shapes that can receive and fit the pipe material 11 to the respective surface portions to which the pipe material 11 of the front brackets 20A, 20B and the rear brackets 30A, 30B are assigned. Is formed. As described above, the front bracket 20A, 20B and the rear bracket 30A, 30B are formed with the recesses 23A, 23B, 33A, 33B, respectively, so that the front of the seat cushion 3 by the brackets 20A, 20B, 30A, 30B. Each support of the partial skeleton (front portions of the side frames 11B and 11C) and the rear skeleton (rear end portions of the side frames 11B and 11C) can be strengthened. Further, by forming the recesses 33A and 33B in the rear brackets 30A and 30B applied from the side to the rear portions of the side frames 11B and 11C, the side frames 11B and 11C having a circular pipe shape are not crushed flat. Since these can be applied in a state where they are brought into surface contact with the upright portions 32A and 32B of the rear brackets 30A and 30B, the side frames 11B and 11C are simply and firmly integrated with the rear brackets 30A and 30B. Can be combined.

  Further, the rear brackets 30A and 30B support the rear skeleton (rear end portions of the side frames 11B and 11C) of the seat cushion 3 from the outside of the seat. With such a configuration, the rear brackets 30A and 30B can appropriately suppress the outward opening of the rear skeleton (the rear end portions of the side frames 11B and 11C) of the seat cushion 3, and the rear skeleton ( The support strength of the rear ends of the side frames 11B and 11C) can be further increased.

  Further, the skeleton of the seat cushion 3 is formed by a pipe material 11 bent into a U-shape in a plan view that forms a skeleton along both the left and right side portions and the front side portion of the seat cushion 3. The rear brackets 30 </ b> A and 30 </ b> B have a pair of structures that respectively support the left and right rear ends that are both ends of the pipe material 11 bent into the U shape. A reinforcing pipe 12 (reinforcing frame) is integrally bridged between the pair of rear brackets 30A and 30B. Between the reinforcing pipe 12 and the front frame 11A that forms a skeleton along the front side portion of the seat cushion 3 of the pipe material 11, a support wire 13 that supports an occupant's seating load immediately below is bridged. With such a configuration, the seat cushion 3 can be supported between the front and rear frames (between the front frame 11A and the reinforcing pipe 12) with high support strength. The supporting support structure can be embodied as a simple and high structural strength configuration.

  Specifically, the front portions of the side frames 11B and 11C of the pipe material 11 constituting the left and right sides of the seat cushion 3 are strongly supported from the lower side by the front brackets 20A and 20B, respectively. When an occupant seated in the seat cushion 3 opens the passenger door on the outside of the vehicle and gets off the vehicle, the seat cushion 3 is directed toward the outside of the vehicle by applying a strong seating pressure to the front region on the outside of the vehicle. However, this load can be strongly supported by the front bracket 20A provided at a position directly below the same portion. Such a load applied when getting off the vehicle is particularly easily applied to a vehicle having a high vehicle height, such as a truck or an RV vehicle. By setting the front bracket 20 </ b> A that supports the front portion of the frame 11 </ b> B from the lower side, it is possible to support the load appropriately and strongly.

  As mentioned above, although the embodiment of the present invention has been described using one example, the present invention can be implemented in various forms in addition to the above example. For example, the vehicle seat of the present invention can be applied to a seat other than the driver's seat of an automobile, and can also be applied to a vehicle used for other vehicles such as a railway, an aircraft, a ship, etc. Can also be widely applied.

  Further, the front bracket and the rear bracket of the present invention are not limited to those formed by bending a steel plate material into an L shape or a U shape, and various metal processed materials can be applied. In addition, each bracket may be provided by being directly coupled to the vehicle floor, or may be provided by being coupled to equipment such as a slide rail shown in the above embodiment. Further, the brackets may be joined by a method other than bolt fastening such as caulking, screwing, adhesion, or press fitting.

  In addition, the rear bracket may be designed so that other equipment such as a seat belt buckle can be attached in addition to the bracket having the function of supporting the seat back. What is necessary is just to be provided extending in the horizontal direction. Further, the rear bracket may be formed such that a portion to which the rear skeleton of the seat cushion is attached rises obliquely in the height direction.

  Further, the front skeleton supported by the front bracket of the seat cushion and the rear skeleton supported by the rear bracket may be made of other than a circular tube such as a square tube or a plate material. In addition, the frame (cushion frame) of the seat cushion is formed by integrally combining a plurality of frame materials in addition to the one formed by bending a single pipe material as shown in the above embodiment. It may be a thing. Further, in the above-described embodiment, the skeleton of the seat cushion has been formed so as to be connected in a loop shape through the rear bracket. However, the skeleton of the seat cushion has a single pipe material formed in a loop shape. It may be formed in a loop shape by bending and connecting them or connecting a plurality of frame materials in a loop shape.

  Further, the front bracket and the rear bracket that support the front skeleton and the rear skeleton of the seat cushion are not formed with recesses for receiving and fitting the front skeleton and the rear skeleton. It may be simply obtained and combined. Further, in the case where the concave portion is formed in the front bracket or the rear bracket, the concave portion does not have to be formed in a shape along the outer peripheral surface shape of the front skeleton or the rear skeleton. Any shape that can be used is acceptable. Specifically, a tubular front part skeleton or rear part skeleton may be received and fitted into a recessed part that is recessed in a rectangular shape, or may have a fitting shape of the opposite relationship.

  Further, the rear bracket may be configured to support the rear skeleton of the seat cushion from the inside of the seat. Also, the front bracket is provided to support the front frame that forms the skeleton along the front side portion of the seat cushion from the lower side, not the front portion of the side frame that forms the skeleton along the left and right side portions of the seat cushion. It may be. Further, the rear bracket is not limited to the one that supports the rear end of the side frame of the seat cushion, and may be configured to support the rear intermediate portion.

  Further, the reinforcing frame does not have to be made of the round pipe material as shown in the above embodiment, and may be made of each pipe material or plate material. Further, the support member does not have to be made of a wire material as shown in the above embodiment, and a plate material (so-called cushion pan) that supports the seating load of the occupant on the surface, an S spring that elastically supports the seating load, etc. It may be made of a spring material. Further, the number of supporting members set is not particularly limited, and may be one or plural.

1 seat (vehicle seat)
2 Seat Back 2F Back Frame 3 Seat Cushion 4 Slide Rail 4A Lower Rail 4B Upper Rail 5 Recliner 6 Hinge Pin 10 Cushion Frame 11 Pipe Material 11A Front Frame 11B Side Frame 11C Side Frame 12 Reinforcement Pipe (Reinforcement Frame)
13 Support wire (support member)
20A, 20B Front bracket 21A, 21B Bottom portion 22A, 22B Elevated portion 23A, 23B Recessed portion 30A, 30B Rear bracket 31A, 31B Bottom portion 32A, 32B Elevated portion 33A, 33B Recessed portion 34A, 34B Slit 40 Extension bracket F Floor

Claims (5)

A vehicle seat comprising: a front bracket that supports a front skeleton of a seat cushion with respect to a vehicle floor ; and a rear bracket that supports the rear skeleton of the seat cushion configured integrally with the front skeleton with respect to the vehicle floor. Because
Said front bracket devoted from the lower side to the front framework of the seat cushion to support the same front skeleton from the lower side, said rear bracket the rear devoted laterally side to the rear framework of the seat cushion It is configured to support the skeleton from the side ,
The vehicle seat according to claim 1, wherein a rear skeleton of the seat cushion is supported in a state of being fitted from a side into a recess formed in an intermediate portion in the height direction of the rear bracket . The vehicle seat according to claim 1,
Said front framework of the seat cushion and the rear framework are formed by a pipe member, respectively, be fitted to accept the pipe to the respective surface portion pipe material is hit between said front bracket said rear bracket A vehicle seat characterized in that a recess having a shape that can be deformed is formed. The vehicle seat according to claim 1 or 2,
The vehicle seat, wherein the rear bracket is configured to support the rear skeleton of the seat cushion from the outside in the seat width direction . The vehicle seat according to any one of claims 1 to 3,
The vehicle seat according to claim 1, wherein the rear bracket is formed of a plate material having a surface extending in a height direction, and is configured as a bracket for supporting a seat back. The vehicle seat according to any one of claims 1 to 4,
The skeleton of the seat cushion is formed by a pipe material bent in a U shape in a plan view that forms a skeleton along the left and right side portions and the front side portion of the seat cushion, and the rear bracket is bent in the U shape. A pair of configurations that respectively support the left and right rear ends, which are both ends of the pipe material, and the reinforcing frame is inserted between the pair of rear brackets so as to penetrate in the seat width direction. The support member that is integrally bridged and supports the seating load of the occupant immediately below is bridged between the reinforcing frame and the front frame that forms a skeleton along the front side portion of the seat cushion of the pipe material. A vehicle seat characterized by having a configuration as described above.

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