JP7096971B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat mounted on a vehicle such as a four-wheeled vehicle.

Patent Document 1 discloses an electric reclining device. The electric reclining device includes a drive motor supported by the mounting surface of the seat frame. The drive motor generates a driving force that causes the seat back to swing in response to the supply of electric power. The drive motor is covered with a cover attached to the seat frame.

Japanese Patent No. 5617660

The cover is partitioned by a resonance chamber facing the mounting surface across the accommodation space of the drive motor. Although the sound spreading in the direction orthogonal to the mounting surface is reduced in the resonance chamber, the sound is removed from the side of the drive motor along the mounting surface, so that a sufficient sound reduction effect is not obtained.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle seat that contributes to further noise reduction in the vehicle interior.

According to the first aspect of the present invention, a seat frame having a flat mounting surface, an actuator mounted on the mounting surface and housed in a rectangular cuboid space having the mounting surface as one surface, and supported by the seat frame. A vehicle seat comprising a cover that covers the actuator from at least two surfaces of the rectangular cuboid space and supports a sound reduction means having sound reduction characteristics along the two surfaces, wherein the cover is attached to the mounting surface. It has a side wall that covers the actuator from the side surface of the rectangular cuboid space facing the surface, and a rear wall that covers the actuator from the rear surface of the rectangular cuboid space that is continuous with the side surface, and the distance from the side wall to the actuator is from the rear wall. Vehicle seats longer than the distance to the actuator are provided.

According to the second side surface, a seat frame having a flat mounting surface, an actuator mounted on the mounting surface and accommodated in a rectangular space having the mounting surface as one surface, and the rectangular body supported by the seat frame. A vehicle seat comprising a cover that covers the actuator from at least two surfaces of a space and supports a sound reduction means having sound reduction characteristics along the two surfaces, wherein the cover is a side frame of a seat cushion frame. A side cover to be attached, further comprising an inner cover attached to the inside of the side frame and arranged on the side opposite to the side cover across the side frame, the inner cover and a part of the sound reducing means. Is provided with vehicle seats that are arranged at overlapping positions in the left-right direction.

According to the third side surface, in addition to the configuration of the first or second side surface, the cover is a side cover attached to the side frame of the seat cushion frame, and the side cover is the rectangular parallelepiped space facing the attachment surface. It has a side wall covering the actuator from a side surface thereof and a rear wall covering the actuator from a rear surface of the rectangular parallelepiped space continuous from the side surface, and the side wall and the rear wall support the sound reducing means.

According to the fourth side surface, a seat frame having a flat mounting surface, an actuator mounted on the mounting surface and housed in a rectangular parallelepiped space having the mounting surface as one surface, and the rectangular parallelepiped supported by the seat frame. A vehicle seat including a cover that covers the actuator from at least two surfaces of a space and supports a sound reduction means having sound reduction characteristics along the two surfaces, wherein the cover is a side frame of a seat cushion frame. A side cover to be attached, further provided with an inner cover attached to the inside of the side frame and facing the rectangular parallelepiped space across the side frame, the side cover having the sound reducing means on the surface facing the mounting surface. Supporting vehicle seats are provided .

According to the fifth side surface, in addition to the configuration of the first or fourth side surface, the sound reducing means is arranged on the inner cover at least at a position facing the actuator.

According to the sixth side surface, a seat frame having a flat mounting surface, an actuator mounted on the mounting surface and housed in a rectangular parallelepiped space having the mounting surface as one surface, and a rectangular parallelepiped supported by the seat frame. A vehicle seat comprising a cover that covers the actuator from at least two sides of the space and supports sound-reducing means having sound-reducing characteristics along the two sides, wherein the cover is on the rear side of the seat back frame. A back cover to be attached, wherein the back cover has a protruding piece covering the actuator from the side surface of the rectangular parallelepiped space facing the mounting surface, and a rear wall covering the actuator from the rear surface of the rectangular parallelepiped space continuous from the side surface. A vehicle seat having and supporting the sound reducing means with the projecting piece and the rear wall is provided .

According to the seventh side surface, a seat frame having a flat mounting surface, an actuator mounted on the mounting surface and housed in a rectangular cuboid space having the mounting surface as one surface, and the rectangular cuboid supported by the seat frame. A vehicle seat comprising a cover that covers the actuator from at least two sides of the space and supports sound-reducing means having sound-reducing characteristics along the two sides, wherein the cover is attached to the outside of the seat back frame. The airbag module bracket is a side wall that covers the actuator from the side surface of the rectangular cuboid space facing the mounting surface, and before covering the actuator from the front surface of the rectangular cuboid space continuous from the side surface. A vehicle seat having a wall and supporting the sound reducing means on the side wall and the front wall is provided .

According to the eighth aspect, in addition to the configuration of any one of the first to seventh aspects, the sound reducing means is integrally formed with the cover.

According to the ninth aspect, in addition to the configuration of any one of the first to eighth aspects, the sound reducing means is provided between the head of the occupant and the actuator.

According to the tenth aspect, in addition to the configuration of any one of the first to ninth aspects, the sound reducing means is a plurality of ribs protruding toward the actuator.

According to the first side surface, in addition to the configuration of the tenth side surface, the ribs are a group of first ribs, which is a collection of ribs extending parallel to each other in the first direction along the plane of the rectangular cuboid space. It includes a second rib group which is an aggregate of ribs extending parallel to each other in a second direction intersecting the first direction along a plane of the rectangular cuboid space .

According to the first , second, fourth, sixth, and seventh aspects, the actuator is surrounded by the sound reducing means on at least two surfaces of the rectangular parallelepiped space, so that the sound reducing effect is improved as compared with the conventional case .

According to the third aspect, since the side wall and the rear wall are defined in the existing side cover, the sound reducing means can be arranged on two surfaces of the rectangular parallelepiped space without increasing the number of parts. Manufacturing costs are reduced.

According to the fourth aspect, the sound reduction effect is achieved by the side frame and the inner cover on the side opposite to the sound reduction means of the side cover, so that the sound reduction effect is improved.

According to the fifth aspect, since the actuator is arranged between the sound reducing means of the side cover and the sound reducing means of the inner cover, the sound reducing effect is improved.

According to the sixth aspect, since the projecting piece and the rear wall are defined in the existing back cover, the sound reducing means can be arranged on two surfaces of the rectangular parallelepiped space without increasing the number of parts. Manufacturing costs are reduced.

According to the seventh aspect, since the side wall and the front wall are defined in the existing airbag module bracket, the sound reducing means can be arranged on two surfaces of the rectangular parallelepiped space without increasing the number of parts. Manufacturing costs are reduced.

According to the eighth aspect, since the sound reducing means is integrated with the cover, the cover and the sound reducing means can be manufactured in one step, and the manufacturing cost can be suppressed.

According to the ninth aspect, the sound reduction structure can be arranged in an effective position.

According to the tenth aspect, the sound reducing means can be easily manufactured.

According to the first side surface, the sound reduction effect is improved by arranging the ribs in a grid pattern .

It is a perspective view schematically showing the whole structure of the vehicle seat which concerns on one Embodiment of this invention. It is a perspective view which shows the structure of a seat frame schematically. It is a perspective view which shows schematic structure of a seat cushion pad and a seat back pad. It is an enlarged perspective view which shows roughly the structure of the side cover which covers the side frame of a seat cushion frame. FIG. 5 is an enlarged cross-sectional view taken along line 5-5 of FIG. It is the enlarged plan view which shows the structure of the sound reducing means roughly, and the enlarged perspective view which excerpted a part. It is an enlarged sectional view along the line 7-7 of FIG. It is an exploded perspective view of the seat back which concerns on another specific example. FIG. 8 is an enlarged cross-sectional view taken along the line 9-9 of FIG. It is a perspective view which shows schematic structure of the airbag module bracket attached to a seat back. FIG. 3 is an enlarged cross-sectional view taken along the line 11-11 of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the front / rear, left / right, and top / bottom refer to the directions seen from the occupant seated on the vehicle seat.

FIG. 1 schematically shows the overall configuration of a vehicle seat according to the first embodiment of the present invention. The vehicle seat 11 is, for example, a base 12 installed on the floor of the vehicle, a seat cushion 13 that is supported on the base 12 so as to be movable in the front-rear direction and receives the buttocks and thighs of an occupant, and a seat cushion 13 that swings. It is provided with a seat back 14 that is swingably connected around the shaft SX in the front-rear direction and receives the back of the occupant, and a head rest 15 that is supported by the upper end of the seat back 14 and receives the head of the occupant. The seat cushion 13, the seat back 14, and the headrest 15 each have skin materials 13a, 14a, 15a that individually wrap the inner pad. The skin materials 14a and 15a are brought into close contact with the outer surface of the pad by the action of the hanging thread 16 following the recess of the pad. Details of the pad will be described later.

A first switch 17a and a second switch 17b are attached to the base 12. The first switch 17a and the second switch 17b are housed in a recess 18 partitioned by the base 12. The first switch 17a is formed by a long knob in the front-rear direction. When the first switch 17a is operated forward, the seat cushion 13 and the seat back 14 move forward. When the first switch 17a is operated backward, the seat cushion 13 and the seat back 14 move backward. The second switch 17b is formed by a long knob in the vertical direction. When the second switch 17b is operated forward, the seat back 14 swings forward around the swing shaft SX. When the second switch 17b is operated backward, the seat back 14 swings backward around the swing shaft SX.

As shown in FIG. 2, the vehicle seat 11 includes a seat frame 21 that supports the pad. The seat frame 21 includes a seat cushion frame 22 that supports the pad of the seat cushion 13, and a seat back frame 23 that is swingably connected to the seat cushion frame 22 around the swing axis SX. The base 12 includes left and right rails 24 that support the seat cushion frame 22 so as to be slidable in the front-rear direction. The front-back movement of the seat cushion frame 22 is guided by the rail 24.

The seat cushion frame 22 connects the side frames 22a extending in parallel to the individual rails 24, the pan frame 22b connecting the side frames 22a at the front end of the seat cushion 13, and the side frames 22a at the rear end of the seat cushion 13. The connecting pipe 22c is provided. A plurality of S springs 25 are arranged between the pan frame 22b and the connecting pipe 22c. Each S spring 25 has a zigzag shape and extends back and forth. The zigzag shape is formed by alternately combining a wire rod 25a extending in the front-rear direction and a wire rod 25b extending in the left-right direction.

An electric front-rear moving device 26 is attached to the side frame 22a of the seat cushion frame 22. The electric front-rear moving device 26 includes an electric motor 27 supported by the side frame 22a. The electric motor 27 generates power according to the supply of electric power. The electric power is supplied based on the operation of the first switch 17a. The power of the electric motor 27 causes the seat cushion frame 22 to move back and forth along the rail 24 of the base 12.

The seat back frame 23 includes a sheet metal frame 23a connected to the inside of each side frame 22a by a swing shaft SX, and an upper frame 23b connecting the upper ends of the sheet metal frame 23a to each other. A pipe member 28 that supports the slide rod of the headrest 15 is fixed to the upper frame 23b so as to be slidable in the vertical direction.

An electric reclining device 31 is connected to the sheet metal frame 23a of the seat back frame 23. The electric reclining device 31 includes an actuator 32 that is attached to the side frame 22a of the seat cushion frame 22 around the swing shaft SX. The actuator 32 is formed by an electric motor 33 and a transmission mechanism 34 that converts the power of the electric motor 33 into a driving force around the swing shaft SX. The electric motor 33 generates power according to the supply of electric power. The electric power is supplied based on the operation of the second switch 17b. The power of the electric motor 33 causes the seat back frame 23 to swing back and forth around the swing shaft SX with respect to the seat cushion frame 22.

As shown in FIG. 3, the seat cushion 13 further includes a seat cushion pad 35 supported by the seat cushion frame 22 and wrapped in the skin material 13a. The seat back 14 further includes a seat back pad 36 supported by the seat back frame 23 and wrapped in the skin material 14a. The seat cushion pad 35 and the seat back pad 36 are formed of an elastic material such as urethane foam.

As shown in FIG. 4, the base 12 includes a side cover 41 attached to the side frame 22a of the seat cushion frame 22. A mounting surface 42 is defined on the side frame 22a. The mounting piece 32a of the actuator 32 is superposed on the mounting surface 42. The mounting surface 42 is formed of a flat surface.

The actuator 32 is mounted on the mounting surface 42. The actuator 32 is housed in a rectangular parallelepiped space 43 having a mounting surface 42 as one surface. The rectangular parallelepiped space 43 may have a minimum volume that completely accommodates the actuator 32 (which may be either the electric motor 33 or the transmission mechanism 34). The rectangular parallelepiped space 43 includes a mounting surface 42, a side surface 44a facing the mounting surface 42, a front surface 44b continuously located on the front side from the side surface 44a, a rear surface 44c continuously located on the rear side from the side surface 44a, and a side surface 44a. It has an upper surface 44d which is continuously located on the upper side and a lower surface 44e which is continuously located on the lower side from the side surface 44a. The side cover 41 covers the actuator 32 from the side surface 44a, the rear surface 44b, the upper surface 44d, and the lower surface 44e.

As shown in FIG. 5, in the side cover 41, the side wall (wall body) 41a that covers the actuator 32 along the side surface 44a and the rear wall (wall body) 41b that covers the actuator 32 along the rear surface 44c are bent portions. They are connected to each other at 45. The distance from the side wall 41a to the actuator 32 is longer than the distance from the rear wall 41b to the actuator 32. The side cover 41 supports the sound reducing means 46 having a sound reducing characteristic at the side wall 41a, the rear wall 41c, and the bent portion 45. As shown in FIG. 6, the sound reducing means 46 is integrally formed on the inner surface of the side cover 41 and is composed of ribs 47 protruding toward the actuator 32. The rib 47 intersects the first direction DRF along the plane of the rectangular cuboid space 43 with the first rib group 48a, which is an aggregate of the ribs 47 extending parallel to each other along the plane of the rectangular cuboid space 43. Includes a second rib group 48b, which is an aggregate of ribs 47 extending parallel to each other in the second direction DRS.

Next, the operation of this embodiment will be described. When the electric motor 27 operates, an operating noise is generated. Noise such as the operating noise of the electric motor 27 is reduced by the noise reducing means 46. Since the actuator 32 is surrounded by the sound reducing means on at least two surfaces of the rectangular parallelepiped space, the sound reducing effect is improved as compared with the conventional case. The sound that reaches the occupants is suppressed. The vehicle seat 11 greatly contributes to the noise reduction in the vehicle interior.

Moreover, the side cover 41 has a side wall 41a that covers the actuator 32 from the side surface 44a of the rectangular parallelepiped space 43 facing the mounting surface 42, and a rear wall 41b that covers the actuator 32 from the rear surface 44c of the rectangular parallelepiped space continuous from the side surface 44a. The sound reducing means 46 is supported by the side wall 41a and the rear wall 41b. Since the side wall 41a and the rear wall 41b are defined in the existing side cover 41, the sound reducing means 46 can be arranged on the two surfaces of the rectangular parallelepiped space 43 without increasing the number of parts. Manufacturing costs are reduced.

The sound reducing means 46 is a plurality of ribs 47 protruding toward the actuator 32. In this way, the sound reducing means 46 can be easily manufactured. Moreover, since the sound reducing means 46 is integrally formed with the side cover 41, the side cover 41 and the sound reducing means 46 can be manufactured in one step, and the manufacturing cost can be suppressed.

The rib 47 intersects the first direction DRF along the plane of the rectangular cuboid space 43 with the first rib group 48a, which is an aggregate of the ribs 47 extending parallel to each other along the plane of the rectangular cuboid space 43. Includes a second rib group 48b, which is an aggregate of ribs 47 extending parallel to each other in the second direction DRS. The sound reduction effect is improved by arranging the ribs 47 in a grid pattern.

The side cover 41 has a bent portion 45 that interconnects the side wall 41a and the rear wall 41b that cover the actuator 32 from the side surface 44a and the rear surface 44c. A sound reducing means 46 is supported on the bent portion 45 inside the side cover 41. Since the bent portion 45 is reinforced by the rib 47 in this way, it also contributes to improving the strength of the bent portion 45.

As shown in FIG. 2, the vehicle seat 11 is attached to the inside of the right side frame 22a, and includes an inner cover 51 facing the rectangular parallelepiped space 43 outside the side frame 22a with the side frame 22a interposed therebetween. As shown in FIG. 7, the right side cover 41 supports the sound reducing means 46 by the side wall 41a and the rear wall 41b, similarly to the left side cover 41 described above. The inner cover 51 and a part of the sound reducing means 46 of the side cover 41 are arranged at overlapping positions in the left-right direction. On the side opposite to the sound reducing means 46 of the side cover 41, the sound reducing effect is achieved by the side frame 22a and the inner cover 51, so that the sound reducing effect is improved. Moreover, the sound reducing means 50 is arranged on the inner cover 51 at least at a position facing the actuator 32. The sound reducing means 50 is composed of ribs 47 like the sound reducing means 46. Since the actuator 32 is arranged between the sound reducing means 46 of the side cover 41 and the sound reducing means 50 of the inner cover 51, the sound reducing effect is improved.

As shown in FIG. 8, the seat back 14 includes a back cover 52 fixed to the seat back frame 23 from the rear, and a trim cover 53 that covers the seat back pad 36 from the front instead of the skin material 14a. May be good. The actuator 54 is fixed to the inside of the sheet metal frame 23a. The actuator 54 includes, for example, an electric motor. The power of the actuator 54 can be used, for example, in adjusting the lumbar support (not shown).

The upper ends of the sheet metal frames 23a are connected to the seat back frame 23, and the cross wire 55 located behind the upper frame 23b and the sheet metal frames 23a are connected to the seat back frame 23 as far as possible from the cross wire 55. A crossbar 56 is attached. A plurality of receiving pieces 57 are fixed to the crossbar 56 at regular intervals in the left-right direction. A receiving hole 58 is formed in each receiving piece 57.

The back cover 52 includes a hook 61 extending upward from a fixed position on the plate surface, and an anchor-shaped clip 62 located below the hook 61 at a distance corresponding to the distance between the cross wire 55 and the receiving piece 56. The engaging piece 64 arranged on the annular line 63 drawn along the plate surface and the projecting piece 65 fixed to the plate surface at a position facing the actuator 54 are integrally formed. The hook 61 is hooked on the cross wire 55 from below and restricts the movement of the back cover 52 to the rear with respect to the cross wire 55. The clip 62 is press-fitted into the receiving hole 58 of the individually corresponding receiving piece 57. In this way, the back cover 52 is attached to the seat back frame 23.

The individual engaging pieces 64 face each other with the contact surface 66 including the annular wire 63 orthogonal to the plate surface, and are fixed to the tips of the long elastic pieces 67 standing up from the plate surface. Has 68 hooks. The hook piece 68 is partitioned by an inclined surface 71 that approaches each other toward the contact line 69 toward the plate surface. On the other hand, the wire 72 is embedded in the seat back pad 36. The shape of the wire 72 reflects the shape of the annular wire 63. The seat back pad 36 exposes the wire 72 at a position corresponding to the engaging piece 64. When the wire 72 acts on the slope 71 of the engaging piece 64, the hook pieces 68 are separated from each other against the pressure of the seat back pad 36. The wire 72 passes through the hook pieces 68 and fits in the space between the elastic pieces 67. Since the hook pieces 68 maintain contact with each other under the pressure of the seat back pad 36, the seat back pad 36 and the back cover 52 are securely coupled to each other.

As shown in FIG. 9, the back cover 52 includes a plate-shaped cover body 52a that closes the back surface of the seat back frame 23 and supports the hook 61, the clip 62, the engaging piece 64, and the projecting piece 65, and the cover body 52a. It is provided with a side wall 52b that continuously wraps around the sheet metal frame 23a and faces the outer surface of the sheet metal frame 23a on the outside in the left-right direction. The side wall 52b faces the mounting surface 42 of the rectangular parallelepiped space 43 with the sheet metal frame 23a interposed therebetween. The projecting piece 65 covers the actuator 54 from the side surface 44a of the rectangular parallelepiped space 43 facing the mounting surface 42. The cover body 52a functions as a rear wall covering the actuator 54 from the rear surface 44c of the rectangular parallelepiped space 43 continuous from the side surface 44a. The distance from the side wall 52b to the actuator 54 is longer than the distance from the cover body 52a, which is the rear wall, to the actuator 54. The side wall 52b supports the sound reducing means 73 facing the actuator 54 from the mounting surface 42 of the rectangular parallelepiped space 43. The projecting piece 65 supports a sound reducing means 74 facing the actuator 54 from the side surface 44a of the rectangular parallelepiped space 43. The cover body 52a supports the sound reducing means 75 facing the actuator 54 from the rear surface 44c of the rectangular parallelepiped space 43. Each of the sound reducing means 73, 74, 75 is composed of the rib 47 like the sound reducing means 46.

In the present embodiment, since the projecting piece 65 and the rear wall (cover body 52a) are defined on the existing back cover 52, the sound reducing means 74 and 75 are provided on the two surfaces of the rectangular parallelepiped space 43 without increasing the number of parts. Can be placed. Manufacturing costs are reduced. On the side of the projecting piece 65 opposite to the sound reducing means 74, the sound reducing effect is achieved by the sheet metal frame 23a and the side wall 52b, so that the sound reducing effect is improved. Moreover, since the actuator 54 is arranged between the sound reducing means 74 of the protruding piece 65 and the sound reducing means 73 of the side wall 52b, the sound reducing effect is improved.

As shown in FIG. 10, the seat back 14 includes an airbag module bracket 81 made of a resin material fixed to the upper end of the sheet metal frame 23a. The airbag module bracket 81 is covered with the seat back pad 36. The airbag module bracket 81 has a flat plate mounting plate 81a that is overlapped with the outer surface of the sheet metal frame 23a, and an inner plate 81c that is continuous from the mounting plate 81a via a curved region 81b and faces the mounting plate 81a. The inner plate 81c receives the load acting from the occupant according to the acceleration applied in the left-right direction. The mounting plate 81a has a mounting hole 82 for receiving a screw (not shown) when mounting the airbag module bracket 81 on the seat back frame 23, and a mounting hole 82 for mounting the airbag module (not shown) on the airbag module bracket 81. A module mounting hole 83 for receiving a screw and a relief hole 84 for receiving a weld bead (not shown) formed on the outer surface of the sheet metal frame 23a are formed.

The mounting plate 81a faces the mounting surface 42 of the rectangular parallelepiped space 43 with the sheet metal frame 23a interposed therebetween. The inner plate 81c covers the actuator 54 from the side surface 44a of the rectangular parallelepiped space 43 facing the mounting surface 42. The curved region 81b functions as a front wall covering the actuator 54 from the front surface 44b of the rectangular parallelepiped space 43 continuous from the side surface 44a. The mounting plate 81a supports the sound reducing means 85 facing the actuator 54 from the mounting surface 42 of the rectangular parallelepiped space 43. The inner plate 81c supports the sound reducing means 86 facing the actuator 54 from the side surface 44a of the rectangular parallelepiped space 43. The bending region 81b supports the sound reducing means 87 facing the actuator 54 from the front surface 44b of the rectangular parallelepiped space 43. Each of the sound reducing means 85, 86, 87 is composed of the rib 47 like the sound reducing means 46.

In the present embodiment, since the side wall and the front wall are defined in the existing airbag module bracket 81, the sound reducing means can be arranged on two surfaces of the rectangular parallelepiped space without increasing the number of parts. Manufacturing costs are reduced. On the side of the inner plate 81c opposite to the sound reducing means 85, the sound reducing effect is achieved by the sheet metal frame 23a and the mounting plate 81a, so that the sound reducing effect is improved. Moreover, since the actuator 54 is arranged between the sound reducing means 85 of the inner plate 81c and the sound reducing means 84 of the mounting plate 81a, the sound reducing effect is improved.

The above-mentioned side cover 41 and inner cover 51 have a wall body that covers the actuator 32 from above and is arranged between the occupant's head and the actuator 32. A sound reducing means can be installed on such a wall as described above. According to such a sound reduction means, the sound reduction structure can be arranged at an effective position.

11 ... Vehicle seat, 21 ... Seat frame, 22 ... Seat cushion frame, 22a ... Side frame, 23 ... Seat back frame, 32 ... Actuator, 41 ... Cover (side cover), 41a ... Side wall, 41b ... Rear wall, 42 ... mounting surface, 43 ... square body space, 44a ... side surface (of square body space), 44b ... front surface (of square body space), 44c ... rear surface (of square body space), 45 ... bending part, 46 ... sound reducing means, 47 ... rib , 48a ... 1st rib group, 48b ... 2nd rib group, 50 ... sound reduction means, 51 ... inner cover, 52 ... cover (back cover), 52a ... rear wall (cover body), 54 ... actuator, 65 ... protrusion One, 73 ... Sound reduction means, 74 ... Sound reduction means, 75 ... Sound reduction means, 81 ... Cover (airbag module bracket), 81b ... Front wall (curved area), 81c ... Side wall (inner plate), 85 ... Reduction Sound means, 86 ... Sound reduction means, 87 ... Sound reduction means.

Claims (11)

A seat frame (21) having a flat mounting surface (42) and
An actuator (32; 54) mounted on the mounting surface (42) and housed in a rectangular parallelepiped space (43) having the mounting surface (42) as one surface.
The actuator (32; 54) is covered from at least two surfaces of the rectangular parallelepiped space (43) supported by the seat frame (21), and the sound reducing means (46; 73,) having sound reducing characteristics along the two surfaces. A vehicle seat with a cover (41; 52; 81) that supports 74, 75; 85, 86, 87).
The cover (41; 52) is continuous with the side wall (41a; 52b) covering the actuator (32; 54) from the side surface (44a) of the rectangular parallelepiped space (43) facing the mounting surface (42). It has a rear wall (41b; 52a) covering the actuator (32; 54) from the rear surface (44c) of the rectangular parallelepiped space (43).
The vehicle seat characterized in that the distance from the side wall (41a; 52b) to the actuator (32; 54) is longer than the distance from the rear wall (41b; 52a) to the actuator (32; 54). .. A seat frame (21) having a flat mounting surface (42) and
An actuator (32; 54) mounted on the mounting surface (42) and housed in a rectangular parallelepiped space (43) having the mounting surface (42) as one surface.
The actuator (32; 54) is covered from at least two surfaces of the rectangular parallelepiped space (43) supported by the seat frame (21), and the sound reducing means (46; 73,) having sound reducing characteristics along the two surfaces. A vehicle seat with a cover (41; 52; 81) that supports 74, 75; 85, 86, 87).
The cover (41; 52; 81) is a side cover (41) attached to the side frame (22a) of the seat cushion frame (22), and is attached to the inside of the side frame (22a). An inner cover (51) arranged on the side opposite to the side cover (41) across the 22a) is further provided.
A vehicle seat characterized in that the inner cover (51) and a part of the sound reducing means (46) are arranged at positions where they overlap in the left-right direction . In the vehicle seat according to claim 1 or 2, the cover (41) is a side cover (41) attached to the side frame (22a) of the seat cushion frame (22), and the side cover (41) is The side wall (41a) covering the actuator (32) from the side surface (44a) of the rectangular parallelepiped space (43) facing the mounting surface (42), and the rectangular parallelepiped space (43) continuous from the side surface (44a). A vehicle having a rear wall (41b) covering the actuator (32) from a rear surface (44c), and supporting the sound reducing means (46) with the side wall (41a) and the rear wall (41b). Sheet for. A seat frame (21) having a flat mounting surface (42) and
An actuator (32; 54) mounted on the mounting surface (42) and housed in a rectangular parallelepiped space (43) having the mounting surface (42) as one surface.
The actuator (32; 54) is covered from at least two surfaces of the rectangular parallelepiped space (43) supported by the seat frame (21), and the sound reducing means (46; 73,) having sound reducing characteristics along the two surfaces. A vehicle seat with a cover (41; 52; 81) that supports 74, 75; 85, 86, 87).
The cover (41; 52; 81) is a side cover (41) attached to the side frame (22a) of the seat cushion frame (22).
An inner cover (51) attached to the inside of the side frame (22a) and facing the rectangular parallelepiped space (43) across the side frame (22a) is further provided, and the side cover (41) is provided with the mounting surface (41). A vehicle seat characterized in that the sound reducing means (46) is supported on a surface facing the 42). The vehicle seat according to claim 2 or 4 , wherein the sound reducing means (50) is arranged on the inner cover (51) at least at a position facing the actuator (32). Sheet. A seat frame (21) having a flat mounting surface (42) and
An actuator (32; 54) mounted on the mounting surface (42) and housed in a rectangular parallelepiped space (43) having the mounting surface (42) as one surface.
The actuator (32; 54) is covered from at least two surfaces of the rectangular parallelepiped space (43) supported by the seat frame (21), and the sound reducing means (46; 73,) having sound reducing characteristics along the two surfaces. A vehicle seat with a cover (41; 52; 81) that supports 74, 75; 85, 86, 87).
The cover (52) is a back cover attached to the rear side of the seat back frame (23), and the back cover (52) is a side surface (44a) of the rectangular parallelepiped space (43) facing the attachment surface (42). ) To the protruding piece (65) covering the actuator (54), and the rear wall (52a) covering the actuator (54) from the rear surface (44c) of the rectangular parallelepiped space (43) continuous from the side surface (44a). A vehicle seat having, characterized in that the sound reducing means (74, 75) is supported by the projecting piece (65) and the rear wall (52a). A seat frame (21) having a flat mounting surface (42) and
An actuator (32; 54) mounted on the mounting surface (42) and housed in a rectangular parallelepiped space (43) having the mounting surface (42) as one surface.
The actuator (32; 54) is covered from at least two surfaces of the rectangular parallelepiped space (43) supported by the seat frame (21), and the sound reducing means (46; 73,) having sound reducing characteristics along the two surfaces. A vehicle seat with a cover (41; 52; 81) that supports 74, 75; 85, 86, 87).
The cover (81) is an airbag module bracket attached to the outside of the seat back frame (23), and the airbag module bracket (81) is a rectangular cuboid space (43) facing the attachment surface (42). A side wall (81c) covering the actuator (54) from the side surface (44a) and a front wall (81b) covering the actuator (54) from the front surface (44b) of the rectangular cuboid space (43) continuous from the side surface (44a). ), And the sound reducing means (86, 87) is supported by the side wall (81c) and the front wall (81b). In the vehicle seat according to any one of claims 1 to 7, the sound reducing means (46; 73, 74, 75; 85, 86, 87) is integrated with the cover (41; 52; 81). A vehicle seat characterized by being formed in. In the vehicle seat according to any one of claims 1 to 8 , the sound reducing means (74; 85) is provided between the head of an occupant and the actuator (54). Vehicle seats. In the vehicle seat according to any one of claims 1 to 9 , the sound reducing means (46; 73, 74, 75; 85, 86, 87) protrudes toward the actuator (32; 54). A vehicle seat characterized by having a plurality of ribs (47). In the vehicle seat according to claim 10 , the rib (47) is an aggregate of ribs (47) extending parallel to each other in the first direction (DRF) along the plane of the rectangular cuboid space (43). An aggregate of the first rib group (48a) and ribs (47) extending parallel to each other in the second direction (DRS) intersecting the first direction (DRF) along the plane of the rectangular cuboid space (43). A vehicle seat comprising a second rib group (48b).

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