JP7317460B2 - vehicle seat - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat in which a plurality of seats are arranged side by side.

Conventionally, a seat cushion and a seat back in which an air outlet and an air passage are formed, an air blower attached to the bottom surface of the seat cushion, and a duct for communicating the air blower and the air passage of the seat back are provided. , a vehicle seat that is configured to send conditioned air to an air outlet through an air passage or a duct is known (Patent Document 1).

JP 2009-023477 A

By the way, conventionally, each sheet is provided with one air blower, which causes a problem of high manufacturing cost.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle seat having an air conditioning function at a low cost.

Another object of the present invention is to increase the degree of freedom in arranging device-side connection ports.

Another object of the present invention is to appropriately protect the duct from baggage and the like.

In order to achieve the above object, the present invention provides a first seat portion having a first seat cushion and a first seat back, and a second seat portion having a second seat cushion and a second seat back, which are adjacent to each other on the left and right. A vehicle seat arranged in a row, comprising a blower device and a duct connecting a first seat portion and a second seat portion.
The duct includes a main duct portion having a device-side connection port connected to the blower device, and a first air passage branching from the main duct portion and connected to an air passage formed in one of the first seat cushion and the first seat back. a first duct portion having a connection port; and a second duct portion branching from the main duct portion and extending and having a second connection port connected to an air passage formed in one of the second seat cushion and the second seat back. have

According to such a configuration, for example, in a vehicle seat in which two seat portions are arranged adjacent to each other on the left and right, such as those often mounted on the rear seat of a passenger car, one air blower can provide a main duct portion and an air blower. Air can be circulated through the first duct portion to the air passage of the first seat portion, and air can be circulated through the main duct portion and the second duct portion to the air passage of the second seat portion.
Therefore, it is possible to realize a vehicle seat having an air conditioning function at low cost.

In the vehicle seat described above, the first duct portion may extend across the first seat cushion and the first seat back.

According to such a configuration, the device-side connection port can be arranged at a position away from the position where the air passage is provided, so that the degree of freedom in arranging the device-side connection port can be increased.

The above-described vehicle seat may further include a first cover member that covers from behind at least the entire portion of the first duct portion above the first seat cushion.

According to such a configuration, the presence of the first cover member allows the luggage behind the first seat portion and the occupant behind the first seat portion (hereinafter simply referred to as "baggage, etc.") to be transported through the first duct portion. It is possible to prevent the first duct portion from being distorted by the contact. That is, the first duct portion can be protected from baggage and the like.

In the vehicle seat described above, it is preferable that the first duct portion is formed by connecting a plurality of parts, and the first cover member covers the connecting portion of the plurality of parts of the first duct portion from behind.

According to such a configuration, the presence of the first cover member makes it possible to suppress disconnection of the plurality of components caused by objects such as baggage hitting the connection portion of the plurality of components of the first duct portion from behind. . That is, the first duct portion can be protected from baggage and the like.

In the vehicle seat described above, the second duct portion may extend across the second seat cushion and the second seat back.

According to such a configuration, the device-side connection port can be arranged at a position away from the portion where the air passage is provided, so that the degree of freedom in arranging the device-side connection port can be increased.

The above-described vehicle seat may further include a second cover member that covers from behind at least the entire portion of the second duct portion above the second seat cushion.

According to such a configuration, the presence of the second cover member makes it possible to prevent the second duct from being distorted due to the luggage or the like behind the second seat portion coming into contact with the second duct. That is, the second duct portion can be protected from baggage and the like.

In the vehicle seat described above, it is preferable that the second duct portion is formed by connecting a plurality of parts, and the second cover member covers the connecting portion of the plurality of parts of the second duct portion from behind.

With such a configuration, the presence of the second cover member makes it possible to suppress disconnection of the plurality of components caused by objects such as baggage hitting the connection portion of the plurality of components of the second duct portion from behind. . That is, the second duct portion can be protected from baggage and the like.

In the vehicle seat described above, the first cover member and the second cover member may be configured as an integral cover member.

With such a configuration, the number of parts of the cover member can be reduced, and the cost can be further lowered.

The cover member includes a rear wall portion covering the first duct portion and the second duct portion from behind, a pair of side wall portions extending forward from both left and right ends of the rear wall portion, and a pair of side wall portions extending forward from the upper end of the rear wall portion. , a pair of side walls and a contiguous top wall.

According to such a configuration, the cover member is formed in a substantially box-like shape by the rear wall portion, the pair of side wall portions, and the upper wall portion, and has high rigidity. The member is less likely to deform, and distortion of the first duct portion and the second duct portion can be further suppressed.

The vehicle seat described above is, for example, a rear seat of a vehicle in which a trunk room is arranged adjacent to the rear side of the first seat back and the second seat back.

In such a case, the first duct portion or the second duct portion can be protected by the first cover member or the second cover member when the luggage in the trunk moves vigorously forward during sudden braking.

In the vehicle seat described above, the first duct portion may further have a third connection port that connects to an air passage formed in the other of the first seat cushion and the first seat back.

According to such a configuration, air can be circulated through the air passages of both the first seat cushion and the first seat back by a single air blower.

In the vehicle seat described above, the second duct portion may further have a fourth connection port that connects to an air passage formed in the other of the second seat cushion and the second seat back.

According to such a configuration, air can be circulated through the air passages of both the second seat cushion and the second seat back by a single air blower.

ADVANTAGE OF THE INVENTION According to this invention, the air-conditioning function can be implement|achieved at low cost in the vehicle seat with which several seats|seats are arrange|positioned adjacently right and left.

According to the present invention, it is possible to increase the degree of freedom in arranging the device-side connection port.

ADVANTAGE OF THE INVENTION According to this invention, a 1st duct part or a 2nd duct part can be appropriately protected from luggage etc.

ADVANTAGE OF THE INVENTION According to this invention, the connection part of several components of a 1st duct part, and the connection part of several components of a 2nd duct part can be protected appropriately from luggage etc.

According to the present invention, air can be circulated through the air passages of both the first seat cushion and the first seat back by a single air blower. In addition, air can be circulated through the air passages of both the second seat cushion and the second seat back by a single air blower.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the vehicle seat as a vehicle seat which concerns on embodiment. It is a perspective view of a seat frame and an air conditioner. 1 is a perspective view of a duct; FIG. It is a rear view of a vehicle seat. It is a perspective view of a cover member. FIG. 2 is a cross-sectional view illustrating the configuration of an air conditioner for a vehicle seat; FIG. 10 is a rear view of a vehicle seat according to a first modified example; FIG. 11 is a perspective view of a seat frame and an air conditioner of a vehicle seat according to a second modified example; FIG. 11 is a perspective view of a seat frame and an air conditioner of a vehicle seat according to a third modified example; FIG. 11 is a perspective view of a seat frame and an air conditioner of a vehicle seat according to a fourth modified example; FIG. 11 is a cross-sectional view illustrating a configuration of an air conditioner for a vehicle seat according to a fifth modified example;

An embodiment of the invention will be described below with reference to the accompanying drawings. In this specification, the front, rear, left, right, and top and bottom are based on the front, back, left, right, and top and bottom as seen from the person sitting on the seat.
As shown in FIG. 1, the vehicle seat of this embodiment is configured as a vehicle seat S mounted in an automobile, and includes a first seat portion S1 and a second seat portion S2. The first seat portion S1 and the second seat portion S2 are arranged adjacent to each other on the left and right sides without a gap.

The first seat portion S1 has a first seat cushion S11 and a first seat back S12. The first seat portion S1 also has a first headrest S13 and a third headrest S14.
The second seat portion S2 has a second seat cushion S21 and a second seat back S22. The second seat portion S2 also has a second headrest S23.
The first seat portion S1 is wider than the second seat portion S2, and the first seat back S12 and the second seat back S22 can be folded forward independently. That is, the vehicle seat S is a so-called 6:4 split foldable seat.

Inside the vehicle seat S, a seat frame F as shown in FIG. 2 is incorporated. As shown in FIG. 1, the seat frame F is covered with a pad P, and the pad P is further covered with a skin (not shown).

A ventilation path A11 is formed in the pad P11 of the first seat cushion S11, and a plurality of ventilation holes H11 communicating with the ventilation path A11 are arranged on the surface of the pad P11. A connection port T11 communicating with the air passage A11 is arranged on the lower surface of the pad P11.
A ventilation path A12 is formed in the pad P12 of the first seat back S12, and a plurality of ventilation holes H12 communicating with the ventilation path A12 are arranged on the surface of the pad P12. A connection port T12 communicating with the air passage A12 is arranged on the rear surface of the pad P12.

A ventilation path A21 is formed in the pad P21 of the second seat cushion S21, and a plurality of ventilation holes H21 communicating with the ventilation path A21 are arranged on the surface of the pad P21. A connection port T21 communicating with the air passage A21 is arranged on the lower surface of the pad P21.
A ventilation path A22 is formed in the pad P22 of the second seat back S22, and a plurality of ventilation holes H22 communicating with the ventilation path A22 are arranged on the surface of the pad P22. A connection port T22 communicating with the air passage A22 is arranged on the rear surface of the pad P22.

As shown in FIG. 2, the seat frame F has a first seat frame F1 corresponding to the first seat portion S1 and a second seat frame F2 corresponding to the second seat portion S2.
The first seat frame F1 has a first seat cushion frame F11 and a first seat back frame F12 connected to the first seat cushion frame F11 via a hinge RL.
The second seat frame F2 has a second seat cushion frame F21 and a second seat back frame F22 connected to the second seat cushion frame F21 via a hinge RL.

In addition, the vehicle seat S includes an air conditioner AC that blows air from each of the vents H11, H12, H21, H22.
The air conditioner AC includes an air blower 10 and a duct D. As shown in FIG.

The blower device 10 is, for example, a sirocco fan. The blower device 10 is arranged below the first seat cushion frame F11 and fixed to the first seat cushion frame F11 via a bracket (not shown).
The duct D connects the blower device 10 to the first seat portion S1 and the second seat portion S2.

As shown in FIG. 3, the duct D has a main duct portion DM, a first duct portion D1, and a second duct portion D2.

The main duct portion DM extends in the front-rear direction and has a device-side connection port 3M connected to the blower device 10 at the front end. The device-side connection port 3M is connected to the outlet of the blower device 10 (see FIGS. 2 and 6).

The first duct portion D1 branches and extends leftward from the main duct portion DM. The first duct portion D1 includes a first main duct portion D11 extending to the left from the main duct portion DM, a first branch duct portion D12 extending backward from the first main duct portion D11, and the first main duct portion D11. and a third branch duct portion D13 branching and extending leftward from the .

The first branch duct portion D12 extends across the first seat cushion S11 and the first seat back S12. Specifically, the first branch duct portion D12 includes a first lower duct 110 extending longitudinally in the first seat cushion S11, and a bellows portion 120 extending vertically in the rear portions of the first seat cushion S11 and the first seat back S12. and a first upper duct 130 extending obliquely upward to the left at the rear portion of the first seat back S12.

The rear end of the first lower duct 110 is inserted into and connected to the inside of the lower end of the bellows portion 120 . The lower end of the first upper duct 130 is inserted into and connected to the upper end of the bellows portion 120 . That is, the first branch duct portion D12 that constitutes the first duct portion D1 is configured by connecting a plurality of parts. Here, the connecting portion between the bellows portion 120 and the first lower duct 110 is referred to as a first connecting portion C1, and the connecting portion between the bellows portion 120 and the first upper duct 130 is referred to as a second connecting portion C2. A first connection portion C1 is a portion where the bellows portion 120 and the first lower duct 110 overlap, and a second connection portion C2 is a portion where the bellows portion 120 and the first upper duct 130 overlap.

The bellows portion 120 has flexibility and stretchability. Therefore, when the first seat back S12 is tilted forward, the bellows portion 120 bends and extends to change the shape of the first duct portion D1.

The upper end portion of the first upper duct 130 is bent forward and has a first connection port 31 connected to the air passage A12 formed in the first seat back S12 at its front end. The upper end of the first upper duct 130 is inserted into the connection port T12 of the air passage A12 of the first seat back S12, thereby connecting the first connection port 31 to the connection port T12 (see FIG. 6). ).

A distal end portion of the third branch duct portion D13 is bent upward, and has a third connection port 33 connected to the air passage A11 formed in the first seat cushion S11 at its upper end. The tip of the third branch duct portion D13 is inserted into the connection port T11 of the air passage A11 of the first seat cushion S11, thereby connecting the third connection port 33 to the connection port T11 (see FIG. 6). reference).

The second duct portion D2 branches and extends to the right from the main duct portion DM. The second duct portion D2 includes a second main duct portion D21 extending to the right from the main duct portion DM, a second branch duct portion D22 branching and extending rearward from the second main duct portion D21, and the second main duct portion D21. and a fourth branch duct portion D23 branching and extending rightward from.

The second branch duct portion D22 extends across the second seat cushion S21 and the second seat back S22. Specifically, the second branch duct portion D22 includes a second lower duct 210 extending longitudinally in the second seat cushion S21 and a bellows portion 220 extending vertically in the rear portions of the second seat cushion S21 and the second seat back S22. and a second upper duct 230 extending obliquely upward to the right at the rear portion of the second seat back S22.

The rear end portion of the second lower duct 210 is inserted into and connected to the inside of the lower end portion of the bellows portion 220 . The lower end of the second upper duct 230 is inserted into and connected to the upper end of the bellows portion 220 . That is, the second branch duct portion D22 forming the second duct portion D2 is configured by connecting a plurality of parts. Here, the connecting portion between the bellows portion 220 and the second lower duct 210 is referred to as a third connecting portion C3, and the connecting portion between the bellows portion 220 and the second upper duct 230 is referred to as a fourth connecting portion C4. A third connection portion C3 is a portion where the bellows portion 220 and the second lower duct 210 overlap, and a fourth connection portion C4 is a portion where the bellows portion 220 and the second upper duct 230 overlap.

The bellows portion 220 has flexibility and stretchability. Therefore, when the second seat back S22 is tilted forward, the bellows portion 220 bends and extends to change the shape of the second duct portion D2.

The upper end of the second upper duct 230 is bent forward, and has a second connection port 32 at its front end that connects to the air passage A22 formed in the second seat back S22. The upper end of the second upper duct 230 is inserted into the connection port T22 of the air passage A22 of the second seat back S22, thereby connecting the second connection port 32 to the connection port T22 (see FIG. 6). ).

A distal end portion of the fourth branch duct portion D23 is bent upward, and has a fourth connection port 34 connected to the air passage A21 formed in the second seat cushion S21 at its upper end. The tip of the fourth branch duct portion D23 is inserted into the connection port T21 of the air passage A21 of the second seat cushion S21, thereby connecting the fourth connection port 34 to the connection port T21 (see FIG. 6). reference).

As shown in FIG. 4, the vehicle seat S includes a cover member 40 that covers the entire first duct portion D1 and the second duct portion D2 from behind.

As shown in FIG. 5, the cover member 40 includes a first cover member 40A and a second cover member 40B. The first cover member 40A is provided corresponding to the first seat cushion S11 and the first seat back S12, and covers at least the entire portion above the first seat cushion S11 of the first duct portion D1 from behind. The second cover member 40B covers from behind at least the entire portion above the second seat cushion S21 of the second duct portion D2. In this embodiment, the first cover member 40A and the second cover member 40B are configured as an integrated cover member 40. As shown in FIG.
Note that the cover member 40 is made of a plate-like member different from the skin. This plate-shaped member is made of, for example, resin (including fiber-reinforced resin) or metal.

The cover member 40 includes a rear wall portion 41 covering the first duct portion D1 and the second duct portion D2 from behind, a pair of side wall portions 42 extending forward from both left and right ends of the rear wall portion 41, and the rear wall portion 41. It has an upper wall portion 43 extending forward from the upper end and connected to the pair of side wall portions 42 , and a lower wall portion 44 extending forward from the lower end of the rear wall portion 41 and connected to the pair of side wall portions 42 .

As shown in FIG. 6, the vehicle seat S is a rear seat of a vehicle in which a trunk room 25 is arranged adjacent to the rear side of the first seat back S12 and the second seat back S22. The connection between the first duct portion D1 and the first seat portion S1 and the connection between the second duct portion D2 and the second seat portion S2 have the same structure. The reference numerals of the seat portion S2 are arranged side by side.

A weld nut 95 is fixed to the floor 50 of the vehicle. The cover member 40 is fixed to the floor 50 by passing a bolt 91 through a hole (not shown) provided in the lower wall portion 44 and engaging the bolt 91 with a weld nut 95 .

As shown in FIGS. 4 and 6, the first cover member 40A covers the connecting portions of the multiple components of the first duct portion D1 from behind. Specifically, the first cover member 40A covers the first connection portion C1 and the second connection portion C2 of the first duct portion D1 from behind. In addition, the second cover member 40B covers the connecting portions of the components of the second duct portion D2 from behind. Specifically, the second cover member 40B covers the third connection portion C3 and the fourth connection portion C4 of the second duct portion D2 from behind.

The effects of the vehicle seat S of this embodiment configured as described above will be described.
As shown in FIG. 2, in the vehicle seat S of the present embodiment, air is circulated from one air blower 10 to the ventilation paths A11 and A12 of the first seat portion S1 through the main duct portion DM and the first duct portion D1. The air can be blown out from the air vents H11 and H12, and the air can be circulated to the air passages A21 and A22 of the second seat portion S2 through the main duct portion DM and the second duct portion D2, and from the air vents H21 and H22. Air can be blown out. Therefore, the air-conditioning function can be realized at low cost in the seat in which the two seat portions are arranged adjacent to each other on the left and right.

In the vehicle seat S, the first duct portion D1 is arranged to straddle the first seat cushion S11 and the first seat back S12, and the second duct portion D2 is arranged to extend between the second seat cushion S21 and the second seat back S22. Therefore, air can be sent to the first seat back S12 and the second seat back S22 from the air blower 10 provided on the first seat cushion S11. That is, since the device-side connection port 3M can be arranged at a position away from the positions where the ventilation paths A12 and A22 are located, the degree of freedom in the arrangement of the device-side connection port 3M can be increased.

In addition, as shown in FIG. 6, the vehicle seat S has a cover member 40 that covers the entire duct D from the rear, so that luggage 60 in the trunk room 25 behind the vehicle seat S can be Even if it moves forward vigorously and collides with the vehicle seat S, the cover member 40 can protect the first duct portion D1 and the second duct portion D2. As a result, it is possible to prevent the load 60 from hitting the first duct portion D1 or the second duct portion D2 and distorting the first duct portion D1 or the second duct portion D2. In addition, when the rear side of the vehicle seat S is not the trunk room 25 but another seat, the duct D can be prevented from being distorted by the legs of the occupant sitting on the rear side seat.

Further, the cover member 40 includes a first connection portion C1, a second connection portion C2, a third connection portion C3 and a fourth connection portion C4, which are connection portions of a plurality of parts of the first duct portion D1 and the second duct portion D2. are covered from the rear, it is possible to prevent the plurality of parts from being disconnected due to the load 60 or the feet of the rear passenger hitting these connection parts.

In addition, the bellows portions 120, 220 are flexible and easily deformed, but the cover member 40 covers the bellows portions 120, 220 from behind, so that the bellows portions 120, 220 are covered with the baggage 60 and the rear. It is possible to suppress distortion due to contact with the leg of the occupant on the side.

In addition, since the cover member 40 is integrally formed of the first cover member 40A and the second cover member 40B, the number of parts of the cover member can be reduced and the cost can be further lowered.

Further, the cover member 40 is formed in a substantially box-like shape by the rear wall portion 41, the pair of side wall portions 42, and the upper wall portion 43, and has high rigidity. The member 40 is less likely to deform, and distortion of the first duct portion D1 and the second duct portion D2 can be further suppressed. In particular, in the present embodiment, the cover member 40 has a substantially box-like shape together with the rear wall portion 41, the pair of side wall portions 42, the upper wall portion 43, and the lower wall portion 44. Duct D can be effectively protected.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment. The specific configuration can be changed as appropriate without departing from the spirit of the invention as described below. In addition, below, the same code|symbol is attached|subjected about the structure similar to the said embodiment, and description is abbreviate|omitted.

In the above-described embodiment, the first cover member 40A and the second cover member 40B are configured integrally, but as shown in FIG. 7, the first cover member 140A and the second cover member 140B are separately You may be comprised by the member. In this case, the first cover member 140A or the second cover member 140B does not straddle the boundary between the first seat back S12 and the second seat back S22, and the first cover member 140A is positioned behind the first seat portion S1. However, it is desirable that the second cover member 140B is arranged only on the rear side of the second seat portion S2. In the example of FIG. 7, the boundary between the first cover member 140A and the second cover member 140B coincides with the boundary between the first seatback S12 and the second seatback S22.

Further, in the above embodiment, the cover member 40 is fixed to the floor 50 of the vehicle body, but may be fixed to the vehicle seat S. For example, in the vehicle seat S of FIG. Bolts or clips can be inserted into the holes to fix the first cover member 140A and the second cover member 140B to the first seat back S12 and the second seat back S22.
7, the first cover member 140A is arranged only on the rear side of the first seat portion S1, and the second cover member 140B is arranged only on the rear side of the second seat portion S2. Even when the first seat back S12 or the second seat back S22 is tilted forward, the first cover member 140A interferes with the second seat back S22, or the second cover member 140B interferes with the first seat back S12. never.

In the above-described embodiment, the duct D includes one air blower 10 and air passages A11, A12, A21, A21, A21, A21, A12, A21, S21, S21, S21, S21, S21, S21, S21, S21, S21, S21, S22, S21, S22, S22, S21, S22, S22, S21, S22, S22, S21, S21, S22, S21, S22, S21, S22, S21, S22, S21, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22, S22. However, as shown in FIG. 8, the duct D is connected to the ventilation paths A12 and A22 ( In FIGS. 8 to 10, the illustration of the ventilation path is omitted.). In the example of FIG. 8, the blower device 10 is provided in the first seat cushion S11, the first connection port 31 is connected to the air passage A12 of the first seat back S12, and the second connection port 32 is connected to the second seat back S22. It is connected to the ventilation path A22.

Further, in the above-described embodiment, the blower device 10 is provided on the seat cushion, but as shown in FIG. 9, the blower device 10 may be provided on the seat back. In the example of FIG. 9, the blower device 10 is provided in the first seat back S12, the first connection port 31 of the duct D is connected to the air passage A12 of the first seat back S12, and the second connection port 32 is connected to the first seat back S12. It is connected to the ventilation path A12 of the 2 seat back S22.

Furthermore, as in the embodiment of FIG. 10, the air blower 10 is provided on the seat back, and the duct D includes one air blower 10, the first seat cushion S11, the first seat back S12, the second seat cushion S21 and the air blower 10. It may be configured to connect the air passages A11, A12, A21, A22 of the second seat back S22. In the example of FIG. 10, the duct D includes a first connection port 31 connected to the air passage A11 of the first seat cushion S11, a third connection port 33 connected to the air passage A12 of the first seat back S12, It has a second connection port 32 connected to the air passage A21 of the second seat cushion S21 and a fourth connection port 34 connected to the air passage A22 of the second seat back S22.

In the above-described embodiment, the air blower 10 is provided in the vehicle seat S, but the vehicle seat S may not include the air blower 10 . For example, as shown in FIG. 11, a duct 55 connected to an air blower (not shown) provided in front of the vehicle seat S is arranged on the floor 50 of the vehicle. is connected to a duct 55 on the vehicle side.

In the above embodiment, the first cover member 40A covers the entire first duct portion D1 from behind, and the second cover member 40B covers the entire second duct portion D2 from the rear. The member 40A only needs to cover at least the entire portion of the first duct portion D1 above the first seat cushion S11 from behind. All or part of the rear side of the first seat cushion S11 may not be covered. Further, the second cover member 40B only needs to cover at least the entire portion of the second duct portion D2 above the second seat cushion S21 from behind. The duct portion D2 may not cover all or part of the rear side of the second seat cushion S21.

In the above-described embodiment, the device-side connection port 3M is connected to the blower port of the blower device 10, and the air conditioner AC is configured to blow air from each of the vents H11, H12, H21, H22. The device-side connection port 3M may be connected to the suction port of the blower device 10, and the air conditioner AC may be configured to suck air from each of the ventilation ports H11, H12, H21, H22.

In the above embodiment, a sirocco fan is shown as an example of the blower, but any type of blower may be used, such as a propeller fan or a turbo fan.

In the above-described embodiment, the vehicle seat S mounted in an automobile was exemplified as a vehicle seat. may be

Also, the elements described in the above-described embodiment and modification may be arbitrarily combined and implemented.

3M device-side connection port 10 blower device 25 trunk room 31 first connection port 32 second connection port 33 third connection port 34 fourth connection port 40 cover member 40A first cover member 40B second cover member 41 rear wall portion 42 side wall portion 43 Upper wall portion 50 Floor A11, A12, A21, A22 Air passage AC Air conditioner C1 First connection C2 Second connection C3 Third connection C4 Fourth connection D Duct D1 First duct D2 Second duct DM Main duct H11, H12, H21, H22 Vent P Pad S Vehicle seat S1 First seat S2 Second seat S11 First seat cushion S12 First seat back S21 Second seat cushion S22 Second seat back

Claims (11)

A vehicle seat in which a first seat portion having a first seat cushion and a first seat back and a second seat portion having a second seat cushion and a second seat back are arranged adjacent to each other on the left and right,
The first seat cushion and the first seat back each have an air passage,
The second seat cushion and the second seat back each have an air passage,
A duct that connects the air blower and the air passage of the first seat and connects the air blower and the air passage of the second seat,
The duct is
a main duct portion having a device-side connection port connected to the air blower;
a first duct portion branching from the main duct portion and extending and connected to the air passage of the first seat portion ;
a second duct portion branching from the main duct portion and extending and connected to the air passage of the second seat portion ;
The first duct portion includes a first main duct portion extending to the left from the main duct portion, and a first branch extending backward from the first main duct portion and connected to the air passage of the first seat back. a duct portion; and a third branch duct portion branching and extending leftward from the first main duct portion and connected to the air passage of the first seat cushion,
The second duct portion includes a second main duct portion extending to the right from the main duct portion, and a second branch extending rearwardly from the second main duct portion and connected to the air passage of the second seat back. A vehicle seat, comprising: a duct portion; and a fourth branch duct portion that branches rightward from the second main duct portion and extends to connect to an air passage of the second seat cushion. 2. The vehicle seat according to claim 1, wherein the first duct portion extends across the first seat cushion and the first seat back. 3. The vehicle seat according to claim 2, further comprising a first cover member that covers at least the entire portion of the first duct portion above the first seat cushion from behind. The first duct portion is formed by connecting a plurality of parts,
4. The vehicle seat according to claim 3, wherein the first cover member covers the connecting portion of the plurality of components of the first duct portion from behind. 5. The vehicle seat according to claim 3, wherein the second duct portion extends across the second seat cushion and the second seat back. 6. The vehicle seat according to claim 5, further comprising a second cover member that covers from behind at least the entire portion of the second duct portion above the second seat cushion. The second duct portion is formed by connecting a plurality of parts,
7. The vehicle seat according to claim 6, wherein the second cover member covers the connecting portion of the plurality of components of the second duct portion from behind. 8. The vehicle seat according to claim 6, wherein the first cover member and the second cover member are configured as an integrated cover member. The cover member is
a rear wall portion covering the first duct portion and the second duct portion from behind;
a pair of side wall portions extending forward from left and right end portions of the rear wall portion;
9. The vehicle seat according to claim 8, further comprising an upper wall portion extending forward from an upper end of said rear wall portion and connected to said pair of side wall portions. 10. The vehicle seat according to any one of claims 6 to 9, wherein the vehicle seat is a rear seat of a vehicle in which a trunk room is arranged adjacently behind the first seat back and the second seat back. The vehicle seat according to item 1. The first branch duct portion has a first connection port connected to the air passage of the first seat back, and the third branch duct portion has a third air passage connected to the air passage of the first seat cushion. A connection port is provided, the second branch duct portion has a second connection port connected to the air passage of the second seat back, and the fourth branch duct portion is connected to the air passage of the second seat cushion. having a fourth connection port connected to
The vehicle seat according to any one of claims 1 to 10, wherein the blower device is positioned between the third connection port and the fourth connection port in the left-right direction .

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