Vehicular rotary seat device

Abstract

To avoid such the problems as occurring flexure or damage in an electrical wire continuing to an electrical component when a seat body rotates on a vehicular rotary seat device that includes: a seat frame for supporting a seat body; a rotary member for supporting the seat frame; a base member for supporting the rotary member from below so as to be rotatable; and an electrical component mounted to at least one of the seat frame and rotary member.SOLUTION: In a vehicular rotary seat device, electrical wires 59, 69, 76, 80 continuing to electrical components 50, 65, 74, 78 are held by an electric wire holding member 60 that is disposed and fixed in the rotation center C of a rotary member 30.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a rotating seat device for a vehicle comprising a seat frame that supports a seat body, a rotating member that supports the seat frame, a base member that rotatably supports the rotating member from below, and electrical equipment attached to at least one of the seat frame and the rotating member. [Background technology]

[0002] A vehicle rotating seat device that includes a rotating member that supports a seat frame, a base member that rotatably supports the rotating member, and electrical components such as an electric motor that rotates the rotating member is known, for example from Patent Document 1. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2004-123044 A Summary of the Invention [Problem to be solved by the invention]

[0004] In such vehicle rotating seat devices, electrical equipment is often attached to the seat frame, but it is desirable to avoid bending the electric wires connected to the electrical equipment or subjecting them to excessive loads that could cause damage when the seat body and seat frame are rotated.

[0005] The present invention has been made in consideration of the above circumstances, and aims to provide a vehicle seat rotation device that can prevent bending or damage to the electric wires connected to the electrical equipment when the seat body is rotated. [Means for solving the problem]

[0006] In order to achieve the above-mentioned object, the present invention provides a vehicle rotating seat device comprising a seat frame that supports a seat body, a rotating member that supports the seat frame, a base member that rotatably supports the rotating member from below, and electrical equipment attached to at least one of the seat frame and the rotating member, the first feature of which is that electric wires connected to the electrical equipment are held by an electric wire holding member that is fixedly positioned at the rotation center of the rotating member.

[0007] In addition to the configuration of the first characteristic, the present invention has a second characteristic in that the electric wires individually connected to the electric components are collectively held in the single electric wire holding member.

[0008] The present invention has a third feature in that, in addition to the configuration of the first or second feature, a cushion-side pressure-receiving member that receives a load from above on the seat cushion that constitutes part of the seat body is attached to a seat cushion frame that constitutes part of the seat frame and is supported by the rotating member, and the electric wire holding member is positioned below the cushion-side pressure-receiving member in a position to hold the electric wire.

[0009] In addition to the configuration of the third characteristic, the present invention has a fourth characteristic in that the electric wire holding member is directly attached to the cushion side pressure-receiving member.

[0010] A fifth feature of the present invention is that, in addition to the configuration of the first or second feature, a cushion-side pressure-receiving member that receives a load from above on the seat cushion that constitutes part of the seat body is attached to a seat cushion frame that constitutes part of the seat frame and is supported by the rotating member, and the electric wire holding member is directly attached to the cushion-side pressure-receiving member.

[0011] The present invention has a sixth feature in that, in addition to any one of the configurations of the third to fifth features, the seat frame comprises a seat cushion frame supported by the rotating member, and a seat back frame tiltably attached to the seat cushion frame or the rotating member via a support shaft, the tilting electric actuator being the electrical component is attached to a lower part of the seat back frame so as to be capable of tilting the seat back frame, and the electric wire connected to the tilting electric actuator is held by the electric wire holding member via an intermediate holding member attached to the seat back frame or the rotating member near the support shaft.

[0012] A seventh feature of the present invention is that, in addition to the configuration of the third feature, a supporting member for a holding member is attached to the base member, and the electric wire holding member is attached to the supporting member for a holding member.

[0013] The present invention has an eighth feature in that, in addition to the seventh feature, the electric wire holding member is attached to the holding member support member by holding the electric wire above the holding member support member.

[0014] Furthermore, the present invention has a ninth feature in that, in addition to the seventh feature, the electric wire holding member is attached to the holding member support member while holding the electric wire below the holding member support member. Effect of the Invention

[0015] According to a first feature of the present invention, electric wires connected to electrical equipment attached to at least one of the seat frame and the rotating member are held by an electric wire holding member located at the rotation center of the rotating member, thereby preventing the electric wires connected to the electrical equipment from bending or being damaged when the seat body rotates.

[0016] According to the second feature of the present invention, a plurality of electric wires individually connected to a plurality of the electrical components are collected and held in a single electric wire holding member, so that the plurality of electric wires can be collected and wired compactly.

[0017] According to a third feature of the present invention, the electric wire holding member is arranged in a position to hold the electric wire below the cushion side pressure-receiving member attached to the seat cushion frame that constitutes part of the seat frame, thereby preventing the electric wire holding member from protruding toward the occupant's seat surface and preventing the electric wire holding member from interfering with the occupant sitting on the seat surface.

[0018] According to a fourth feature of the present invention, the electric wire holding member is attached directly to the cushion side pressure-receiving member while holding the electric wire below the cushion side pressure-receiving member. This makes it possible to avoid interference of the electric wire holding member with an occupant sitting on the seat surface, and also makes it possible to efficiently position the electric wire holding member at the rotation center of the rotating member while avoiding an increase in the number of parts without providing a new member for attaching the electric wire holding member.

[0019] According to the fifth feature of the present invention, the electric wire holding member is directly attached to the cushion side pressure-receiving member, so that there is no need to provide a new member for attaching the electric wire holding member, and the electric wire holding member can be efficiently positioned at the rotation center of the rotating member while avoiding an increase in the number of parts.

[0020] According to a sixth aspect of the present invention, a seat cushion is provided with a seat cushion frame or a rotating member via a support shaft. A tilting electric actuator for tilting the seatback frame which is tiltably mounted on the seat back frame is attached to the lower part of the seat back frame, and an electric wire connected to the tilting electric actuator is held by an electric wire holding member via an intermediate holding member which is attached to the seat cushion frame or a rotating member near the support shaft, so that bending or damage to the electric wire between the electric wire holding member and the tilting electric actuator can be prevented when the seat body rotates and the seat back frame tilts.

[0021] According to the seventh feature of the present invention, the electric wire holding member is attached to a holding member support member which is attached to a base member which holds the electric wire holding member above the electric wire holding member and is attached to the holding member support member. Therefore, the electric wire holding member can be easily assembled when assembling the seat rotation device, improving workability.

[0022] According to the eighth aspect of the present invention, the electric wire holding member holds the electric wires above the holding member support member, so that the electric wires can be wired compactly together inside the seat rotation device.

[0023] Furthermore, according to a ninth feature of the present invention, the electric wire holding member holds the electric wire below the holding member support member, so that when assembling the seat rotation device, the seat rotation device can be laid on its side, thereby making it easy to hold the electric wire in the electric wire holding member, thereby improving workability. [Brief description of the drawings]

[0024] [Figure 1] 1 is a perspective view showing a vehicle seat rotating device in a state where a seat body of a first embodiment is omitted; [Diagram 2] 2 is a plan view of a main part of the vehicle seat rotating device as viewed from above. FIG. [Diagram 3] 3 is a cross-sectional view of the seat rotating device taken along line 3-3 in FIG. 2. [Figure 4] 4 is a view taken along the arrow 4 in FIG. 3 with the seat cushion frame and the cushion side pressure-receiving member omitted. [Diagram 5] 5 is a cross-sectional view of the sheet rotating device taken along line 5-5 in FIG. 4. [Figure 6] FIG. 4 is a cross-sectional view corresponding to FIG. 3 of the second embodiment. [Figure 7] 7 is a view taken along the arrow 7 in FIG. 6 in a state in which the seat cushion frame and the cushion side pressure-receiving member are omitted. [Figure 8] FIG. 11 is a cross-sectional view corresponding to FIG. 3 of a third embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0025] Hereinafter, an embodiment of the present invention will be described with reference to the attached drawings. In the following description, the terms "front, back," "left, right," and "up and down" refer to the direction seen from a seated person in a normal seated position, with the front being defined as the front.

[0026] A first embodiment of the present invention will be described with reference to Figures 1 to 6. First, in Figure 1, a seat body 11 of a vehicle seat mounted in a vehicle includes a seat cushion 11a and a seat back 11b arranged above the seat cushion 11a, and a headrest 11c for supporting the head of an occupant is provided on the upper part of the seat back 11b.

[0027] The seat frame 15 supporting the seat body 11 includes a seat cushion frame 16 supporting the seat cushion 11a, and a seat back frame 17 supporting the seat back 11b and connected to the rear of the seat cushion frame 16 via a support shaft 12, and is supported via a seat rotation device 14 that can slide in the fore-and-aft direction of the vehicle on a pair of left and right slide rails 13 that extend in the fore-and-aft direction of the vehicle and are provided on the floor surface of the vehicle.

[0028] The seat cushion frame 16 is provided with a pair of left and right rotatable frames 16a and 16b extending along the longitudinal direction of the slide rail 13 when the seat rotation device 14 is in a position in which the occupant faces forward in the vehicle longitudinal direction. The vehicle comprises a pair of side frames 16a, a pan frame 16b connecting the front ends of the side frames 16a, and a connecting pipe 16c connecting the rear ends of the pair of side frames 16a.

[0029] The seatback frame 17 includes a pair of left and right seatback side frames 17a which extend in the vertical direction and have their lower ends tiltably connected to the rear ends of the side frames 16a via the support shafts 12, an upper frame 17b which connects upper ends of the seatback side frames 17a, and a lower frame 17c which connects lower ends of the pair of seatback side frames 17a. A pair of left and right tubular members 18 which guide the vertical movement of the headrest 11c are fixed to the upper frame 17b.

[0030] 2 and 3, a cushion-side pressure-receiving member 19 that receives a load from above the seat cushion 11a is suspended between the pan frame 16b and the rear pipe 16c of the seat cushion frame 16. This cushion-side pressure-receiving member 19 has a plurality of seat springs 20 (four in this embodiment) that are formed by bending a metal wire in a zigzag pattern so as to snake left and right, and the seat springs 20 are arranged so that adjacent seat springs 20 are symmetrical with each other, and adjacent seat springs 20 are connected to each other by a plurality of resin intermediate connecting members 21 that are molded integrally with the seat springs 20 by insert molding.

[0031] The front ends of the plurality of seat springs 20 are engaged with locking portions 22 provided on the pan frame 16b of the seat frame 15. The rear ends of the adjacent seat springs 20 are engaged with the support shaft 12 between the seat frame 15 and the seat back frame 17 and are connected by a resin rear end connecting member 23 molded integrally with the seat springs 20 by insert molding, and the rear end connecting member 23 is formed so as to cover the support shaft 12.

[0032] Referring again to FIG. 1, a back-side pressure-receiving member 24 formed of a resin or the like so as to be elastically deformable is disposed between a pair of seatback side frames 17a of the seatback frame 17, and this back-side pressure-receiving member 24 is bridged between the left and right seatback side frames 17a via an upper connecting wire 25 and a lower connecting wire 26.

[0033] The slide rail 13 is composed of a fixed rail 45 extending in the vehicle longitudinal direction and a movable rail 46 slidably fitted to the fixed rail 45, with the front part of the fixed rail 45 fixed to the vehicle floor surface 47 via a front bracket 48 and the rear part of the fixed rail 45 fixed to the floor surface 47 via a rear bracket 49. Moreover, the front bracket 48 is formed higher than the rear bracket 49, and the fixed rail 45, i.e., the slide rail 13, extends in the vehicle longitudinal direction at an incline so as to become lower toward the rear in the vehicle longitudinal direction.

[0034] Referring to Figures 4 and 5 together, the seat cushion frame 16 is placed on the seat rotation device 14, and this seat rotation device 14 includes a base member 29 movable along the slide rail 13, an annular rotating member 30 that supports the seat cushion frame 16 and is rotatably supported on the base member 29, and a cover member 31 that covers a portion of the rotating member 30 from above and is fixed to the base member 29.

[0035] The base member 29 has a first bottom wall portion 29a which is annular, a first side wall portion 29b which is cylindrical and rises upward from the outer periphery of the first bottom wall portion 29a, and a first flange portion 29c which protrudes outward from the upper end portion of the first side wall portion 29b, and the first flange portion 29c is formed in a rectangular shape.

[0036] The cover member 31 also has an annular second bottom wall portion 31a abutted from above against the first bottom wall portion 29a of the base member 29, a cylindrical second side wall portion 31b rising slightly upward from the outer periphery of the second bottom wall portion 31a, a first tapered portion 31c formed so as to have a larger diameter as it extends upward and connected to the upper end portion of the second side wall portion 31b, a first annular flat wall portion 31d protruding laterally from the upper end portion of the first tapered portion 31c, and a cylindrical third side wall portion 31e rising upward from the outer periphery of the first flat wall portion 31d, and the second bottom wall portion 31a is joined to the first bottom wall portion 29a of the base member 29 with a plurality of rivets 32.

[0037] The rotating member 30 has a second tapered portion 30a that is arranged at a position facing the first tapered portion 31c of the cover member 31 from the outside and is formed so as to have a larger diameter toward the top, a cylindrical fourth side wall portion 30b that rises upward from the upper end of the second tapered portion 30a and faces the third side wall portion 31e of the cover member 31 from the outside, and a second flange portion 30c that protrudes outward from the fourth side wall portion 30b, and the second flange portion 30c is formed in a rectangular shape.

[0038] A frame support member 33 extending parallel to the side frame 16a of the seat cushion frame 16 is fastened to the second flange portion 30c of the rotating member 30 by a plurality of first bolts 34 and a plurality of second nuts 35. The side frame 16a is supported by the frame support member 33 so as to be movable up and down and non-rotatable relative to the frame support member 33.

[0039] The rotating member 30 is rotatably supported by a ring-shaped rotating support portion 36 of the base member 29 via a bearing 37, and the rotating support portion 36 is formed so that a cross-sectional shape of the first bottom wall portion 29a of the base member 29 and the first side wall portion 29b is approximately L-shaped.

[0040] The bearing 37 is configured by holding balls 39 at multiple positions in the circumferential direction of an annular retainer 38, and an annular recess 40 for rolling the balls 39 is formed in the first tapered portion 31c of the rotating member 30.

[0041] Meanwhile, the central portion of the rotating member 30 is configured to be open upward and downward by the second tapered portion 30a and the fourth side wall portion 30b of the rotating member 30, and the cover member 31 is accommodated and positioned within the accommodating portion 41.

[0042] Further, the first flange portion 29c of the base member 29 is fastened to the movable rail 46 by a plurality of second bolts 42 and second nuts 43.

[0043] The rotating member 30 is rotationally driven by the power exerted by a rotary electric actuator 50 serving as a first electrical component attached to at least one of the seat frame 15 and the rotating member 30 (the rotating member 30 in this embodiment), and an input gear 52 provided on the base member 29 is meshed with an output gear 51 provided on this rotary electric actuator 50.

[0044] The rotary electric actuator 50 includes an electric motor 53 having a rotation axis extending in the vehicle width direction, a gear box 55 connected to a case 54 of the electric motor 53, and an output shaft 56 protruding from the gear box 55 with its rotation axis parallel to the rotation center C of the rotating member 30, and the output gear 51 is provided on the output shaft 56. A gear reduction mechanism (not shown) is housed in the gear box 55, which reduces the speed of the rotational power of the electric motor 53, changes the direction of rotation by 90 degrees, and transmits the rotational power to the output shaft 56. This gear reduction mechanism The rotational power from the output shaft 56 side is prevented from being transmitted to the electric motor 53 side by including a worm gear.

[0045] The rotating member 30 is driven to rotate within a range of 180 degrees, and the input gear 52 has a gear portion 52a on its inner circumference and is formed in an arc shape spanning approximately 180 degrees. The gear portion 52a is fixed to the underside of the inner circumference of a first bottom wall portion 29a of the base member 29 so that it protrudes radially inward from the inner circumference of the first bottom wall portion 29a.

[0046] When fixing the input gear 52 to the base member 29, some of the multiple rivets 32 that connect the second bottom wall portion 31a of the cover member 31 to the first bottom wall portion 29a of the base member 29 are used to connect the second bottom wall portion 31a and the input gear 52 together to the first bottom wall portion 29a, sandwiching the first bottom wall portion 29a.

[0047] Meanwhile, a mounting member 58 is attached to the rotating member 30, the mounting member 58 being disposed on the inside of the outer periphery 30d of the rotating member 30 in a plan view, and the actuator 50 including the electric motor 53 is attached to the mounting member 58. That is, the gear box 55 of the actuator 50 is attached to an upper surface of the mounting member 58, and the output gear 51 is provided on the output shaft 56 penetrating the mounting member 58.

[0048] The mounting member 58 is disposed forward of the rotation center C of the rotating member 30. The mounting member 58 has at both ends connected plate portions 58a which are connected to the upper surface of the third flange portion 30c of the rotating member 30, and extends perpendicular to the longitudinal direction of the slide rail 13. The mounting member 58 is formed integrally with the pair of connected plate portions 58a, a pair of left and right inclined plate portions 58b whose upper ends are connected to the connected plate portions 58a while inclining downward toward the radially inward direction of the rotating member 30, and a flat support plate portion 58c which connects the lower ends of the inclined plate portions 58b.

[0049] An electric wire 59 connected to the electric motor 53 of the electric rotary actuator 50 is held by an electric wire holding member 60 fixedly disposed at the rotation center C of the rotating member 30.

[0050] An annular slider 61 is interposed between the first tapered portion 31c of the cover member 31 and the second tapered portion 30a of the rotating member 30, and is in sliding contact with the tapered portions 31c, 30a. This slider 61 is used to make the cover member 31 and the rotating member 30 compatible with a vehicle seat device in which the rotating member 30 is rotated by applying human power to the seat rotation device 14 instead of the electric power of the rotation electric actuator 50. In a vehicle seat device in which rotation by human power is possible, an annular member constituting a part of a mechanism for suppressing rattling of the rotating member 30 in a locked state in which the rotation of the rotating member 30 is prevented is interposed between the first tapered portion 31c and the second tapered portion 30a instead of the slider 61.

[0051] In addition, a blower 65, which is a second electrical component, is attached to at least one of the seat frame 15 and the rotating member 30, in this embodiment, the pan frame 16b of the seat cushion frame 16 in the seat frame 15. One end 66a of a duct 66 is connected to the blower 65, and the other end 66b of the duct 66 has an opening 67 formed therein as an outlet.

[0052] 3, the blower 65 is attached to the lower part of the pan frame 16b via a blower support member 68, and the opening 67 is disposed radially inward of the annular rotating member 30 and radially inward of the cover member 31 in a plan view. Portion 67 opens toward the seat cushion 11a, and in a plan view, as shown in Figure 2, is positioned between a pair of adjacent seat springs 20 among the multiple seat springs 20 that constitute the cushion side pressure-receiving member 19.

[0053] The other end 66b of the duct 66 protrudes slightly upward from the cushion side pressure-receiving member 19, and an upper end opening edge 67a of the opening 67 is positioned above the annular rotating member 30 in a side view.

[0054] An electric wire 69 connected to an electric motor (not shown) of the blower 65 is held by the electric wire holding member 60 which is fixedly disposed at the rotation center C of the rotating member 30 .

[0055] 1, a link mechanism 71 is provided between the rotating member 30 of the seat rotation device 14 and the seat frame 15, and this link mechanism 71 includes a pair of left and right link members 72 each having one end rotatably connected to the connecting pipe 16c inside a pair of side frames 16a of the seat cushion frame 16 of the seat frame 15, and the other end of each of the link members 72 is rotatably connected via a connecting pin 73 to the frame support member 33 fixed to the rotating member 30. In other words, the side frames 16a of the seat cushion frame 16 of the seat frame 15 are supported by the frame support member 33 fixed to the rotating member 30 so as to be able to rise and fall.

[0056] A lifting electric actuator 74, which is a third electrical component, is attached to at least one of the seat frame 15 and the rotating member 30, in this embodiment, to the outer surface of one of the pair of side frames 16a of the seat frame 15, so as to be capable of exerting power to lift and lower the seat frame 15.

[0057] The link mechanism 71 is provided between the frame support member 33 fixed to the rotating member 30 and the seat frame 15. Of the pair of link members 72 included in the link mechanism 71, the link member 72 on the side of the one side frame 16a is integrally provided with a sector gear (not shown) that can rotate about the axis of the connecting pin 73, and the lifting electric actuator 74 is provided with a drive gear (not shown) that meshes with the sector gear, and the sector gear is driven to rotate around the axis of the connecting pin 73 together with the link member 72 by rotation of the drive gear, thereby enabling the seat frame 15 to be raised and lowered.

[0058] An electric wire 76 connected to an electric motor 75 of the lift electric actuator 74 is led to the inside of the seat rotation device 14 through an insertion hole 77 formed in one of the side frames 16 a and held by the electric wire holding member 60 .

[0059] A tilt electric actuator 78, which is a fourth electrical component, is attached to the lower part of the seatback frame 17 of the seat frame 15. In this embodiment, the tilt electric actuator 78 is attached to the lower part of one of a pair of seatback side frames 17a that the seatback frame 17 includes.

[0060] An electric wire 80 connected to an electric motor 79 of the electric tilt actuator 78 is extended to the inside of the seat rotation device 14 and held by the electric wire holding member 60 .

[0061] In addition, an intermediate holding member 81 is attached to the seatback frame 17 or the rotating member 30 (the lower part of one of the seatback side frames 17a of the seatback frame 17 in this embodiment) near the support shaft 12 that connects the seatback frame 17 to the seat cushion frame 15 in a tiltable manner, and the electric wire 80 is held by the electric wire holding member 60 through this electric wire holding member 81.

[0062] The electric wires 59, 69, 76, 80 individually connected to the rotation electric actuator 50 which is the first electric equipment, the blower 65 which is the second electric equipment, the lifting electric actuator 74 which is the third electric equipment, and the tilting electric actuator 78 which is the fourth electric equipment, are all held together in the single electric wire holding member 60.

[0063] Moreover, the electric wire holding member 60 is disposed at a position below the cushion side pressure receiving portion 19 to hold the electric wires 59 , 69 , 76 , 80 , and is directly attached to the cushion side pressure receiving portion 19 .

[0064] Next, the operation of this embodiment will be described. Electrical equipment is attached to at least one of the seat frame 15 that supports the seat body 11 and the rotating member 30 that supports the seat frame 15. In this embodiment, the electrical equipment, the blower 65, the lifting electric actuator 74, and the tilting electric actuator 78, are attached to the seat frame 15, and the rotation electric actuator 50, which is an electrical equipment, is attached to the rotating member 30. The electric wire 59 connected to the rotation electric actuator 50, the electric wire 69 connected to the blower 65, the electric wire 76 connected to the lifting electric actuator 74, and the electric wire 80 connected to the tilting electric actuator 78 are held by the electric wire holding member 60 that is fixedly disposed at the rotation center C of the rotating member 30, so that it is possible to prevent the electric wires 59, 69, 76, 80 from bending or being damaged when the seat body 11 rotates.

[0065] In addition, the electric wires 59, 69, 76, 80 individually connected to the multiple electrical components, namely the rotation electric actuator 50, the blower 65, the lifting electric actuator 74, and the tilting electric actuator 78, are collected and held in the single electric wire holding member 60, so that the multiple electric wires 59, 69, 76, 80 can be collected and wired compactly.

[0066] In addition, the cushion side pressure receiving member 19, which receives a load from above the seat cushion 11a, is attached to the seat cushion frame 16 which forms part of the seat frame 15 and is supported by the rotating member 30, and the electric wire holding member 60 is positioned below the cushion side pressure receiving member 19 to hold the electric wires 59, 69, 76, 80. This prevents the electric wire holding member 60 from protruding toward the seat surface of the occupant, and prevents the electric wire holding member 60 from interfering with the occupant sitting on the seat surface.

[0067] Moreover, since the electric wire holding member 60 is directly attached to the cushion side pressure-receiving member 19, there is no need to provide a new member for attaching the electric wire holding member 60, and the electric wire holding member 60 can be efficiently disposed at the rotation center C of the rotating member 30 while avoiding an increase in the number of parts.

[0068] Furthermore, the seat frame 15 includes a seat cushion frame 15 supported by the rotating member 30, and a seat back frame 17 tiltably attached to the seat cushion frame 15 via a support shaft 12, and an electric tilting actuator 78, which is an electrical component, is attached to the lower part of the seat back frame 17 so as to be able to tilt the seat back frame 17, and the electric wire 80 connected to the electric tilting actuator 78 is held by the electric wire holding member 60 via an intermediate holding member 81 attached to the seat back frame 17 near the support shaft 12, so that bending or damage to the electric wire 80 between the electric wire holding member 60 and the electric tilting actuator 78 can be prevented when the seat main body 11 rotates and the seat back frame 17 tilts.

[0069] A second embodiment of the present invention will be described with reference to FIGS. 6 and 7. Parts corresponding to those in the first embodiment are shown with the same reference symbols, and detailed descriptions thereof will be omitted.

[0070] A holding member support portion 83 is attached to the base member 29 of the seat rotating device 14, and an electric wire holding member 84 is attached to the holding member support portion 83.

[0071] The holding member support member 83 is attached to the base member 29 so as to pass through the rotation center C of the rotating member 30, and the electric wire holding member 84 is attached to the holding member support member 83 while being positioned at the rotation center C and holding the electric wires 59, 69, 76, 80 individually connected to the electrical equipment, that is, the rotation electric actuator 50, the blower 65, the lifting electric actuator 74, and the tilting electric actuator 78, above the holding member support member 83.

[0072] According to the second embodiment, as in the above-mentioned first embodiment, it is possible to prevent the electric wires 59, 69, 76, 80 from being bent or damaged when the seat body 11 is rotated, and it is possible to wire the electric wires 59, 69, 76, 80 in a compact manner. In addition, the electric wire holding member 84 can be easily attached when assembling the seat rotation device 14, improving workability, and since the electric wire holding member 84 holds the electric wires 59, 69, 76, 80 above the holding member support member 83, it is possible to wire the electric wires 59, 69, 76, 80 in a compact manner inside the seat rotation device 14.

[0073] As a third embodiment of the present invention, as shown in FIG. 8 , an electric wire holding member 86 that holds electric wires 59, 69, 76, 80 that are individually connected to the electric rotation actuator 50, the blower 65, the electric lift actuator 74, and the electric tilt actuator 78, which are electrical components, is attached to a holding member support member 85 that is attached to the base member 29 of the seat rotation device 14, and the electric wires 59, 69, 76, 80 are held by the electric wire holding member 86 so that they are below the holding member support member 85 and at the rotation center C of the rotating member 30.

[0074] According to this third embodiment, it is possible to achieve the same effects as the second embodiment described above, and in addition, by performing the work in a laid-down state when assembling the seat rotation device 14, the electric wires 59, 69, 76, 80 can be easily held by the electric wire holding member 86, thereby improving workability.

[0075] Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various design modifications can be made without departing from the present invention described in the claims. [Explanation of symbols]

[0076] 11 Seat body 11a Seat cushion 12...Spindle 15 Seat frame 16···Seat cushion frame 17 Seat back frame 19. Cushion side pressure receiving member 29...Base member 30...Rotating member 50. Electric actuator for rotation, which is an electrical component 59,69,76,80...Electric wire 60, 84, 86... Wire retaining member 65 Blower, an electrical component 74... Electric actuator for lifting, which is an electrical component 78. An electric actuator for tilting which is an electrical component 81... Intermediate holding member 83, 85... Support member for holding member C: Center of rotation

Claims

[Claim 1] A seat frame for supporting a seat body, and a seat support member for supporting the seat frame and having a through hole. A ring-shaped rotating member, a base member that rotatably supports the rotating member from below, and the and an electrical component attached to at least one of the vehicle frame and the rotating member. A rotating seat device for a vehicle, The seat body includes a seat cushion and a seat back. The seat frame constitutes the seat cushion and is configured to absorb a load from above. a cushion-side pressure-receiving member for receiving the pressure, At a position where the rotation center of the rotating member passes through, the electric wire holding member is Directly attached to pressure member, A plurality of electric wires connected to the electric equipment are arranged so as to extend from the floor surface on which the seat body is placed to the front The pressure receiving member is formed at the center of rotation. The electric wires are gathered and held by the electric wire holding member, and extend radially from the rotation center when viewed from above. A rotating seat device for a vehicle.

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