Vehicle seat

Abstract

To reduce manufacturing costs of a vehicle seat having an air-conditioning function.SOLUTION: A vehicle seat 1 includes: an air-conditioning mat 61; a blower device 63; and a bracket 64 supporting the blower device 63. The bracket 64 has an air passage 641D connecting the blower device 63 with a duct part 61B of the air-conditioning mat 61 therein.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a vehicle seat.

Background Art

[0002] Patent Document 1 describes a vehicle seat including a seat back frame constituting a skeleton of a seat back, a blower disposed in the seat back, a bracket to which the blower is fixed, and a cover member provided on a rear side of the seat back frame, wherein the bracket sandwiches the seat back frame between the bracket and the cover member and is fixed to the cover member.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The technology of the present disclosure aims to reduce the manufacturing cost of a vehicle seat having an air conditioning function.

Means for Solving the Problems

[0005] A vehicle seat according to one aspect of the technology of the present disclosure includes an intake and exhaust unit that performs intake and exhaust, a blower, and a bracket that supports the blower, wherein the bracket has an air flow path inside that connects the blower and an exhaust port of the intake and exhaust unit.

Effects of the Invention

[0006] According to the technology of the present disclosure, the manufacturing cost of a vehicle seat having an air conditioning function can be reduced.

Brief Description of the Drawings

[0007]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Mode for Carrying Out the Invention

[0008] Figure 1 is an external perspective view showing a schematic configuration of a vehicle seat 1 which is an embodiment of the technology of the present disclosure. The vehicles in this specification include automobiles, airplanes, trains, mobile drones, or ships, etc. In the following description, the front of the occupant sitting on the vehicle seat 1 in a regular posture is described as the front direction Fr, the reverse direction of the front direction Fr is described as the rear direction Rr, and these are collectively described as the front-rear direction. Also, when the above-mentioned occupant is viewed from the rear side, the right side with respect to the occupant is described as the right direction R, the left side of the occupant is described as the left direction L, and these are collectively described as the left-right direction. Further, a direction perpendicular to the front-rear direction and the left-right direction, and the direction from the headrest toward the seat surface side is described as the downward direction D, the reverse direction of the downward direction D is described as the upward direction U, and these are collectively described as the up-down direction. The front-rear direction, the left-right direction, and the up-down direction are directions that intersect each other.

[0009] The vehicle seat 1 includes a seat cushion 2 that supports the occupant's buttocks and thighs, a seat back 3 that supports the occupant's waist and back, and a headrest 4 that supports the occupant's head. In the example of FIG. 1, the vehicle seat 1 is a driver's seat side seat or a passenger seat side seat in an automobile, but may also be a bench seat in a rear seat or the like.

[0010] The seat cushion 2 has a seat frame (not shown) that forms a skeleton, and this seat frame is covered by a cushion pad 21 made of a relatively soft resin foam material such as urethane foam, and is further covered by a trim cover 22 including a skin material such as leather, woven fabric, or non-woven fabric.

[0011] The seat back 3 has a seat frame (not shown) that forms a skeleton, and this seat frame is covered by a cushion pad 31 made of a relatively soft resin foam material such as urethane foam, and is further covered by a trim cover 32 including a skin material such as leather, woven fabric, or non-woven fabric. Inside the seat back 3, an air-conditioning mat 61 for air-conditioning the inside of the vehicle seat 1 is provided.

[0012] FIG. 2 is a schematic diagram showing the internal structure of the seat back 3. FIG. 2 shows the state of the seat back 3 with the cushion pad 31 and the trim cover 32 removed. Inside the seat back 3, there are provided an air-conditioning mat 61, a blower 63, a bracket 64 that supports the blower 63, a seat frame 33 that supports the bracket 64, and a connecting member 62 that connects the bracket 64 and the air-conditioning mat 61. In the example of FIG. 2, the seat frame 33 is in a frame shape and has a pair of side frames arranged on the left and right, a lower frame that connects the lower ends of this pair of side frames, and an upper frame 33U that connects the upper ends of this pair of side frames. The bracket 64 is supported by the upper frame 33U.

[0013] The air-conditioning mat 61 is supported by a seat frame 33 by a support member (not shown) extending from the seat frame 33. The air-conditioning mat 61 may be joined to the cushion pad 31 with an adhesive. The air-conditioning mat 61 includes a main body portion 61A having a hollow and flat rectangular parallelepiped shape, and a flat tubular duct portion 61B extending upward in a U shape from the upper end portion of the main body portion 61A. A plurality of ventilation holes communicating with the inside are provided on the front surface of the main body portion 61A. The duct portion 61B communicates with the internal space of the main body portion 61A. The air-conditioning mat 61 can take in air into the main body portion 61A from the ventilation holes of the main body portion 61A and discharge the taken-in air from the duct portion 61B. In this way, the air-conditioning mat 61 constitutes an intake and exhaust unit capable of taking in air from the ventilation holes and discharging air from the duct portion 61B. The duct portion 61B constitutes an exhaust port of the air-conditioning mat 61. The configuration of the intake and exhaust unit is not limited to that shown in FIG. 2, and various configurations can be adopted.

[0014] The connecting member 62 connects the duct portion 61B (the exhaust port of the air-conditioning mat 61) and the bracket 64. The connecting member 62 may be integrally formed with the duct portion 61B or may be integrally formed with the bracket 64.

[0015] FIG. 3 is an exploded perspective view of the connecting member 62, the blower device 63, and the bracket 64 shown in FIG. 2. FIG. 4 is a perspective view of the blower device 63 and the bracket 64 as viewed from a direction different from that in FIG. 3. FIG. 5 is a perspective view of the bracket 64 as viewed from a direction different from those in FIGS. 3 and 4. FIG. 6 is a view of the bracket 64 as viewed from the rear side. FIG. 7 is a schematic cross-sectional view of the connection state of the blower device 63, the bracket 64, and the upper frame 33U.

[0016] The blower device 63 is a machine that pumps gas by the rotational movement of an impeller or rotor or the reciprocating movement of a piston. In one example, it can be an electric fan device. In the examples of FIGS. 3 and 4, the blower device 63 includes, for example, a flat plate 631 made of metal whose thickness direction coincides with the front-rear direction, a substantially cylindrical housing member 632 fixed to the rear surface of the flat plate 631, a rotor 633 housed inside the housing member 632 and rotatably supported by the flat plate 631, and a first cable 634 electrically connected to the rotor 633. A female connector 634A is provided at the tip of the first cable 634.

[0017] On the rear surface of the housing member 632, an air inlet 632A formed of a circular opening, for example, is formed. On this surface, around the air inlet 632A, four engaging claws 632B project rearward in the Rr direction in the example of the figure. On the right side surface of the housing member 632, an exhaust port 632C formed of a rectangular opening, for example, is formed. When the blower device 63 operates, the rotor 633 rotates and air is sucked from the air inlet 632A, and the air is discharged from the exhaust port 632C.

[0018] The bracket 64 has a structure having an air flow path 641D (see FIGS. 5 and 7) inside that connects the blower device 63 and the exhaust port (duct portion 61B) of the air conditioning mat 61. The bracket 64 includes a flat plate-like planar portion 641 whose thickness direction substantially coincides with the front-rear direction, a U-shaped wall portion 642 erected rearward in the Rr direction from the rear surface of the planar portion 641 and formed in a substantially U shape when viewed in the front-rear direction, and a flat plate-like rear surface portion 643 connecting the rear end edge of the U-shaped wall portion 642. The space partitioned by the planar portion 641, the U-shaped wall portion 642, and the rear surface portion 643 constitutes the air flow path 641D. The planar portion 641, the U-shaped wall portion 642, and the rear surface portion 643 are flow path forming portions that form the air flow path 641D.

[0019] A circular first opening 641B, for example, communicating with the air flow path 641D, is formed in the flat surface portion 641. When viewed in the rearward direction Rr, the U-shaped wall portion 642 starts at the right end and bottom end of the flat surface portion 641 and extends to the left end and bottom end of the flat surface portion 641. As shown in FIG. 5, a second opening 641C communicating with the air flow path 641D is formed by the lower edge of the U-shaped wall portion 642, the lower edge of the flat surface portion 641, and the lower edge of the rear surface portion 643. The second opening 641C has a shape corresponding to the connecting member 62, and the connecting member 62 connected to the duct portion 61B is inserted into and engaged with the second opening 641C. As shown in FIG. 3, the connecting member 62 has a slender rectangular cylindrical shape with a flange, and an engaging claw 62B is provided on the side surface in the front-rear direction. The tip of the duct portion 61B is inserted into and fixed in the hollow portion 62A of the connecting member 62. The engaging claws 62B engage with engaging recesses (not shown) provided on the lower ends of the flat surface portion 641 and the rear surface portion 643 of the bracket 64.

[0020] 3 engage with the first opening 641B of the flat portion 641. This engagement connects the air intake 632A of the air blower 63 with the air flow path 641D. As described above, the second opening 641C communicates with the duct portion 61B when the connecting member 62 engages therewith. In this manner, the bracket 64 has the first opening 641B connected to the air intake 632A of the air blower 63 and the second opening 641C connected to the duct portion 61B of the air-conditioning mat 61. The first opening 641B and the second opening 641C face in different directions (directions perpendicular to the opening surfaces). In the illustrated example, the first opening 641B faces the forward direction Fr, and the second opening 641C faces the downward direction D.

[0021] Three bosses 641A are erected in the forward direction Fr on the peripheral edge of the front surface of the flat portion 641. Screw holes are formed in the flat plate 631 of the blower 63 at positions corresponding to the bosses 641A, and screws are inserted into the screw holes and fixed to the bosses 641A, thereby fixing the blower 63 to the bracket 64.

[0022] As shown in FIG. 4, on the rear surface portion 643 of the bracket 64, a lower boss BD for fixing to the upper frame 33U is erected rearward in the Rr direction. Further, on the rear surface portion 643 of the bracket 64, a pair of reinforcing upper ribs RU arranged on the left and right sides with the lower boss BD interposed therebetween, and a reinforcing lower rib RD provided below the upper rib RU and the lower boss BD, are erected rearward in the Rr direction. As shown in FIG. 4, the height L1 in the front-rear direction of the upper rib RU and the height L2 in the front-rear direction of the lower rib RD are different, and the height L1 is larger than the height L2. Note that it is preferable that the height of the lower boss BD in the front-rear direction is the same as the height L1 of the upper rib RU.

[0023] As shown in FIG. 4, on the upper side of the U-shaped wall portion 642 on the rear surface of the flat surface portion 641, an engaging claw 644 capable of engaging with the upper frame 33U is erected rearward in the Rr direction substantially at the center in the left-right direction. Further, on the rear surface of the flat surface portion 641, upper bosses BU for fixing to the upper frame 33U are provided to the right and left adjacent to the engaging claw 644. Through holes are provided in the upper frame 33U at positions corresponding to the lower boss BD and the two upper bosses BU in the bracket 64. Screws are inserted into these through holes, and the screws are connected to the lower boss BD and the two upper bosses BU, so that the bracket 64 is fixed to the upper frame 33U, and the bracket 64 is supported by the upper frame 33U.

[0024] As shown in FIG. 7, an engaging hole portion 33H is provided in the upper frame 33U at a position corresponding to the engaging claw 644. When fixing the bracket 64 to the upper frame 33U, first, the engaging claw 644 is engaged with the engaging hole portion 33H, so that the bracket 64 can be positioned (temporarily fixed) with respect to the upper frame 33U. In this state, each of the upper boss BU and the lower boss BD is disposed facing the through hole provided in the upper frame 33U. Therefore, the work of assembling the bracket 64 to the seat frame 33 can be efficiently performed.

[0025] As shown in FIG. 3, the bracket 64 has an overhanging portion 641E that projects rightward in the R direction and downward in the D direction from the right end of the upper end of the flat portion 641. The front surface of the overhanging portion 641E and the front surface of the flat portion 641 are substantially aligned in the front-rear direction. In the bracket 64, a guide portion G for guiding the flow of air discharged from the exhaust port 632C of the blower device 63 fixed to the bracket 64 is provided between the overhanging portion 641E and the flat portion 641.

[0026] The guide portion G is configured to direct the air discharged rightward in the R direction from the exhaust port 632C of the blower device 63 downward in the D direction. As shown in FIG. 6, the guide portion G includes a right guide wall portion 647 that extends obliquely downward along the overhanging portion 641E from the upper end and the right end of the flat portion 641, a left guide wall portion 646 that extends downward adjacent to the lower end and the right end of the flat portion 641, a front wall portion 648 that connects the front edges of the left guide wall portion 646 and the right guide wall portion 647, and a flow path adjustment portion 649.

[0027] The right guide wall portion 647 stands upright forward in the Fr direction from the lower edge 641EA of the overhanging portion 641E. The right guide wall portion 647 extends beyond the tip 641EB of the overhanging portion 641E and then extends downward in the D direction.

[0028] As shown in FIG. 4, the left guide wall portion 646 stands upright forward in the Fr direction from the right edge of the lower end of the flat portion 641. The front edge of the left guide wall portion 646 and the front edge of the right guide wall portion 647 are connected by a plate-shaped front wall portion 648 that is substantially perpendicular to the front-rear direction. As shown in FIG. 3, it is preferable that the front wall portion 648 is provided with lattice-shaped reinforcing ribs 648A on the front surface. On the rear surface of the front wall portion 648, a flat plate-shaped flow path adjustment portion 649 that is perpendicular to the vertical direction stands upright rearward in the Rr direction near the upper end.

[0029] As shown in FIG. 6, a curved space SP extending in the lower right direction is defined by a left guide wall portion 646, a right guide wall portion 647, a front wall portion 648, and a flow path adjustment portion 649. When the bracket 64 is fixed to the upper frame 33U, the upper frame 33U is disposed facing the front wall portion 648. Therefore, the space SP is in a state of being substantially closed by the upper frame 33U when the left guide wall portion 646, the right guide wall portion 647, and the flow path adjustment portion 649 abut against the upper frame 33U.

[0030] The space SP faces the exhaust port 632C of the blower 63. The exhaust port 632C is disposed between the flow path adjustment portion 649 and the left guide wall portion 646 when viewed in the left-right direction. Therefore, the air discharged from the exhaust port 632C flows into the space SP from between the flow path adjustment portion 649 and the left guide wall portion 646. The air flowing into the space SP flows along this space SP and is finally discharged downward from the space SP in the direction D.

[0031] In FIG. 6, the path of the air flowing in from the second opening 641C of the bracket 64 is schematically shown by a broken-line arrow. The air flowing in from the second opening 641C reaches the intake port 632A of the blower 63 from the first opening 641B through the air flow path 641D. Thereafter, this air is discharged from the exhaust port 632C of the blower 63, moves to the space SP, flows in the lower right direction, and is discharged in the downward direction D.

[0032] In the above description, it is assumed that the space SP is closed by the upper frame 33U. However, even when the space SP is not closed by the upper frame 33U, the guide portion G can guide the flow of the air discharged from the blower 63 so that the air is directed downward in the direction D. In the present embodiment, a substantially C-shaped opening formed by the lower end edge of the left guide wall portion 646, the lower end edge of the front wall portion 648, and the lower end edge of the right guide wall portion 647 constitutes the outlet of the guide portion G (the outlet of the air guided by the guide portion G). This guide portion G is not essential, but by providing the guide portion G, the flow of the air can be controlled, and it becomes easier to suppress the noise during exhaust.

[0033] When the portion excluding the guide portion G in the bracket 64 is defined as the first portion, the guide portion G has a second portion (front wall portion 648) located in the forward direction Fr with respect to this first portion, and a third portion (left guide wall portion 646 and right guide wall portion 647) connecting this first portion and the second portion (front wall portion 648). By providing the guide portion G, the front wall portion 648 can receive the load from the forward direction Fr, so that the strength of the bracket 64 can be increased. In a state where the blower device 63 is fixed to the bracket 64, it is preferable that the flat plate 631 of the blower device 63 and the front wall portion 648 of the bracket 64 are arranged at substantially the same position in the front-rear direction. By doing so, the front wall portion 648 and the blower device 63 can receive the load from the forward direction Fr over a wide area, and it becomes possible to efficiently release this load to the seat frame 33.

[0034] As shown in FIG. 3, the vehicle seat 1 is provided with a second cable 50 that connects the first cable 634 of the blower device 63 and the vehicle's electrical wiring. The base end of the second cable 50 passes through the inside of the vehicle seat 1 and is connected to, for example, a control device or the like built into the vehicle body. A male connector 50A is provided at the tip of the second cable 50, and by connecting the male connector 50A and the female connector 634A of the first cable 634, the blower device 63 can be driven from the above control device or the like.

[0035] As shown in FIG. 4, the bracket 64 is provided with an engagement hole H1 penetrating in the front-rear direction at the upper end of the flat surface portion 641 facing the blower device 63. The female connector 634A of the first cable 634 is provided with an engagement protrusion 634B that engages with the engagement hole H1. By the engagement protrusion 634B engaging with the engagement hole H1, the first cable 634 is supported by the bracket 64. The engagement hole H1 provided in the bracket 64 constitutes a first support portion for supporting the first cable 634. Note that the engagement hole H1 may be replaced with an engagement protrusion, and the engagement protrusion 634B may be constituted by an engagement hole that engages with the engagement protrusion. The engagement hole does not necessarily have to be a through hole, and may be a recess or the like.

[0036] As shown in FIG. 6, an engagement hole H2 penetrating in the front-rear direction is provided in the overhanging portion 641E of the bracket 64. A C-shaped clip 51 (see FIG. 5) is attached to the second cable 50, and the second cable 50 is supported by the bracket 64 when the engagement protrusion 51A integrated with the clip 51 engages with the engagement hole H2. The engagement hole H2 provided in the bracket 64 constitutes a second support portion that supports the second cable 50. The engagement hole H2 may be replaced by an engagement protrusion, and the engagement protrusion 51A may be constituted by an engagement hole that engages with the engagement protrusion. The engagement hole does not necessarily have to be a through hole and may be a recess or the like.

[0037] As shown in FIG. 5, the second cable 50 supported by the overhanging portion 641E of the bracket 64 is arranged along the right guide wall portion 647. The protruding height (length in the front-rear direction) of the right guide wall portion 647 from the overhanging portion 641E is preferably smaller than the outer diameter of the second cable 50. By doing so, the second cable 50 can be arranged on the rear side of the front wall portion 648, and the second cable 50 can be protected against an impact on the bracket 64 from the front side.

[0038] As shown in FIGS. 4 and 5, a cable locking portion 650 for locking the second cable 50 is provided at the lower end portion of the right guide wall portion 647. The cable locking portion 650 includes a locking plate 650A having a C-shaped cross section extending forward from the rear edge of the right guide wall portion 647, and two locking claws 650B provided at a vertical interval on the front edge of the right guide wall portion 647. The second cable 50 is locked to the bracket 64 when a portion of the second cable 50 on the base end side with respect to the portion supported by the bracket 64 in the clip 51 is sandwiched between the locking plate 650A and the locking claws 650B.

[0039] By providing the cable locking portion 650 on the bracket 64, the position of the second cable 50 can be stabilized. Further, the locking plate 650A is configured to cover the rear side of the second cable 50 and is positioned between the upper frame 33U and the second cable 50. Therefore, the locking plate 650A can protect the second cable 50 against the load from the upper frame 33U. Note that, in the second cable 50, the portion above the cable locking portion 650 has the overhanging portion 641E existing between it and the upper frame 33U. Therefore, the overhanging portion 641E can protect the second cable 50.

[0040] In the vehicle seat 1 configured as described above, for example, the assembly is performed as follows. First, the upper frame 33U and the bracket 64 are fixed by screwing. Next, the blower device 63 is fixed to the bracket 64 by screwing. At this time, the engagement between the engagement hole H1 of the bracket 64 and the engagement protrusion 634B of the first cable 634 of the blower device 63 is also performed. Next, the clip 51 is attached to the second cable 50, and the male connector 50A is connected to the female connector 634A. Next, the engagement protrusion 51A is engaged with the engagement hole H2, and the second cable 50 is locked to the cable locking portion 650. Finally, the connection between the second opening 641C of the bracket 64 and the connecting member 62 is made.

[0041] According to this embodiment, the bracket 64 has the air flow path 641D and also functions as a support member for the second cable 50. Therefore, compared with the conventional configuration, the number of parts can be reduced, the size of the bracket 64 can be reduced, and the manufacturing cost can be reduced, and miniaturization and weight reduction are possible.

[0042] In the above description, an example in which the air-conditioning mat 61, the connecting member 62, the blower device 63, the bracket 64, and the second cable 50 are provided inside the seat back 3 has been shown. However, the air-conditioning mat 61, the connecting member 62, the blower device 63, the bracket 64, and the second cable 50 may be provided inside the seat cushion 2, or may be provided inside each of the seat cushion 2 and the seat back 3.

[0043] As described above, the following matters are disclosed in this specification. Although the corresponding components and the like in the above embodiments are described in the following parentheses, the present invention is not limited thereto.

[0044] (1) An intake and exhaust unit (air conditioning mat 61) that performs intake and exhaust, A blower (blower 63), A bracket (bracket 64) that supports the blower, and The bracket is a vehicle seat having an air flow path (air flow path 641D) inside that connects the blower and an exhaust port (duct portion 61B) of the intake and exhaust unit.

[0045] According to (1), since air can flow from the intake and exhaust unit to the blower by using the bracket required for supporting the blower, the structure from the intake and exhaust unit to the blower can be simplified. For example, compared with a configuration in which a member forming an air flow path from the intake and exhaust unit to the blower is provided separately from the bracket and the member is supported by the bracket, the member becomes unnecessary, so that the bracket can also be made smaller, contributing to weight reduction, size reduction, and cost reduction of the vehicle seat.

[0046] (2) The vehicle seat according to (1), The bracket has a first opening (first opening 641B) connected to an intake port (intake port 632A) of the blower and a second opening (second opening 641C) connected to an exhaust port (duct portion 61B) of the intake and exhaust unit, The vehicle seat in which the first opening and the second opening face different directions.

[0047] According to (2), since the direction of the air discharged from the intake and exhaust unit can be changed by the bracket, the structure from the intake and exhaust unit to the blower can be simplified. Further, even when the bracket is fixed to, for example, a seat frame, this can be easily realized.

[0048] (3) The vehicle seat according to (2), wherein the first opening faces forward of the vehicle seat, and the second opening faces downward of the vehicle seat.

[0049] According to (3), the internal structure of the seat can be simplified.

[0050] (4) The vehicle seat according to any one of (1) to (3), wherein the bracket has a guide portion (guide portion G) for guiding the flow of air discharged from the blower.

[0051] According to (4), by providing the guide portion, the flow of air can be controlled, and it becomes easy to suppress the noise during exhaust. Also, by providing the guide portion, it becomes possible to improve the strength of the bracket.

[0052] [[ID=2,8]](5) The vehicle seat according to (4), wherein the bracket has a first opening (first opening 641B) connected to the intake port (intake port 632A) of the blower and a second opening (second opening 641C) connected to the exhaust port (duct portion 61B) of the intake and exhaust unit. and the outlet of the guide portion and the second opening face the same direction.

[0053] According to (5), the internal structure of the seat can be simplified.

[0054] (6) The vehicle seat according to (4) or (5), wherein the outlet of the guide portion faces downward of the vehicle seat.

[0055] According to (6), since there is often more space below the seat, it is easier to create a path for air to escape. This can increase the space utilization efficiency within the seat and contribute to weight reduction and miniaturization.

[0056] (7) The vehicle seat according to any one of (4) to (6), The bracket has a first part (the part excluding the guide part G) that has the air flow path inside and includes a flow path forming part (a flat part 641, a U-shaped wall part 642, and a rear part 643) facing the blower, a second part (a front wall part 648) located in front of the vehicle seat with respect to the first part, and a third part (a left guide wall part 646 and a right guide wall part 647) connecting the first part and the second part. The guide part includes the second part and the third part and constitutes a vehicle seat.

[0057] (7) According to this, the second part constituting the guide part can receive the load from the front of the seat, and the strength of the bracket can be increased. Also, when the surface on the front side of the seat of the blower arranged in the flow path forming part and the second part of the bracket are substantially on the same plane, the load from the front of the seat can be received on a wide surface by the second part and the front surface of the blower. When the bracket is supported by the seat frame, the load can be efficiently released to the seat frame.

[0058] (8) The vehicle seat according to (7), including a seat frame (seat frame 33), A vehicle seat in which the space partitioned by the second part and the third part is closed by a part (upper frame 33U) of the seat frame, and the bracket is supported by the seat frame.

[0059] According to (8), the air flow can be controlled by using the seat frame, and the air flow can be controlled with high precision. By using the seat frame, it is possible to simplify the structure of the bracket, reduce its weight, and cut costs.

Explanation of Signs

[0060] 1 Vehicle seat 2 Seat cushion 3 Seat back 4 Headrest 21, 31 Cushion pad 22, 32 Trim cover 33 Seat frame 33H Engagement hole part 33U Upper frame 50 Second cable 50A Male connector 51 Clip 51A, 634B Engagement protrusion 61 Air conditioning mat 61A Body part 61B Duct part 62 Connecting member 62A Hollow part 62B, 632B, 644 Engagement claw 63 Blower 64 Bracket 631 Flat plate 632 Housing member 632A Air intake 632C Exhaust port 633 Rotor 634 First cable 634A Female connector 641 Flat surface part 641A Boss 641B First opening 641C Second opening 641EB Tip 641D Air flow path 641E Overhanging part 642 U-shaped wall part 643 Rear part 646 Left guide wall part 647 Right guide wall part 648 Front wall part 648A Reinforcing rib 649 Flow path adjusting part 650 Cable locking part 650A Locking plate 650B Locking claw H1, H2 Engagement holes

Claims

1. An intake and exhaust unit that performs intake and exhaust, A blower, A bracket that supports the blower, and includes a vehicle seat having an air flow path inside that connects the blower and the exhaust port of the intake and exhaust unit.

2. The vehicle seat according to Claim 1, wherein the bracket has a first opening connected to the intake port of the blower and a second opening connected to the exhaust port of the intake and exhaust unit, and the first opening and the second opening face different directions.

3. The vehicle seat according to Claim 2, wherein the first opening faces the front of the vehicle seat, and the second opening faces the bottom of the vehicle seat.

4. The vehicle seat according to any one of Claims 1 to 3, wherein the bracket has a guide portion that guides the flow of air discharged from the blower.

5. The vehicle seat according to Claim 4, wherein the bracket has a first opening connected to the intake port of the blower and a second opening connected to the exhaust port of the intake and exhaust unit, and the outlet of the guide portion and the second opening face the same direction.

6. The vehicle seat according to Claim 4, wherein the outlet of the guide portion faces the bottom of the vehicle seat.

7. The vehicle seat according to Claim 4, wherein the bracket includes a first portion having the air flow path inside and facing the blower, a second portion located in front of the vehicle seat than the first portion, and a third portion connecting the first portion and the second portion, and the guide portion is configured to include the second portion and the third portion.

8. The vehicle seat according to Claim 7, including a seat frame, wherein the bracket is supported by the seat frame in a state where the space partitioned by the second portion and the third portion is closed by a part of the seat frame. ​

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