JP7397825B2 - vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat, and more particularly to a vehicle seat in which a transmission member such as a cable or wire harness is routed from the seat back to the seat cushion.

BACKGROUND ART Conventionally, in a vehicle seat, a structure is known in which a transmission member such as a cable is covered with a tubular cover member disposed between a seat back and a seat cushion (for example, Patent Document 1). In the structure described in Patent Document 1, a tension member is attached to at least one end of the tubular cover member, and the tension member pulls the slack that occurs in the cover member when the seat back is collapsed into the seat cushion or the seat back side. There is.

Jitszen No. 59-105526

In the invention disclosed in Patent Document 1, when the seat back is folded down, the cover member that covers the transmission member is retracted, so if the cover member gets caught on another member, the folding operation of the seat back may be hindered. there were. Further, if the tubular cover member is exposed, the appearance and merchantability may be deteriorated.

Therefore, in vehicle seats where the seat back tilts forward, the transmission member running from the seat back to the seat cushion operates smoothly without any hindrance when the seat back is folded down, and the transmission member does not interfere with the frame, etc. A structure without clutter was required. Additionally, there is a need for a vehicle seat with good appearance and marketability without the transmission member protruding from the seat body.

The present invention has been made in view of the above-mentioned problems, and its purpose is to provide a vehicle seat in which the transmission member operates smoothly without any hindrance when the seat back is folded down, and interference with the frame etc. is suppressed. It is about providing.

The problem is a vehicle seat that includes a seat cushion, a seat back connected to the seat cushion so that its angle can be adjusted, and a reclining mechanism that adjusts the inclination angle of the seat back. a transmission member arranged from the seat back to the seat cushion; a plurality of protection members provided on the seat back or the seat cushion in proximity to the reclining mechanism to protect the transmission member ; Among the plurality of protection members, a protection member provided on the rear side of the seat cushion in proximity to the reclining mechanism constitutes a cover member, and the plurality of protection members forming the cover member forms one first space through which the transmission member arranged on the seat cushion side is inserted, and the plurality of protection members forming the first space include an inner portion of the reclining mechanism. This problem is solved by including a reclining inner cover that covers the seat cushion, a seat cushion undercover that covers the lower surface of the seat cushion, and a cushion cover .

According to the above-mentioned vehicle seat, by inserting transmission members such as cables and wire harnesses routed from the seat back to the seat cushion into the space formed by the plurality of protection members, the protection members can protect the seat frame, etc. It can be protected from interfering with or coming into contact with peripheral members, and malfunctions due to disconnection or the like can be suppressed.
In addition, by providing a cover member made of a protective member provided on the rear side of the seat cushion, interference with or contact with peripheral members arranged on the seat cushion side is suppressed, and malfunctions due to wire breakage etc. are suppressed. I can do it.
Further, interference with or contact with members such as the reclining mechanism and the seat cushion frame is suppressed, and the transmission member is protected. Thereby, malfunctions due to disconnection or the like can be suppressed.

Further, in the vehicle seat described above, among the plurality of protection members , a protection member provided on the seat back in proximity to the reclining mechanism constitutes a striated body support member, and It is preferable that the plurality of protection members constituting the member form one second space into which the transmission member arranged on the seat back side is inserted and sandwiched .
With the above configuration, the transmission member can be protected from interfering with or coming into contact with surrounding members such as the reclining mechanism or the seat back frame, and malfunctions due to disconnection or the like can be suppressed.

In the above-mentioned vehicle seat, the filament support member has an opening that opens toward the seat cushion in the second space sandwiching the transmission member, and the opening opens when the seat back is in an upright state. In some cases, the groove may be formed in the shape of a groove extending in the longitudinal direction of the vehicle seat.
By forming the opening in the shape of a groove extending in the front-rear direction, the transmission member can be branched in the front-rear direction, and the transmission member can be swung according to the reclining motion of the seat back.

In the vehicle seat described above, each of the plurality of protection members constituting the linear body support member has a wall portion and a plurality of connection portions protruding from the wall portion, and the plurality of protection members It is preferable that the wall portion and the connecting portion form the groove-shaped opening by being connected by the connecting portion.
The groove-shaped opening is formed by the walls of the plurality of protection members and the plurality of connection parts, so that the groove-shaped opening can be easily formed and the transmission member can be sandwiched between the protection members. At the same time, the transmission member can be branched at the groove-shaped opening, or the transmission member can be swung according to the reclining movement of the seat back.

In the above-mentioned vehicle seat, the plurality of protection members constituting the linear body support member include an engaging portion provided on one of the plurality of connecting portions that connect to each other and an engaged portion provided on the other. It is best if they fit together.
With this configuration, the protection members can be easily connected to each other, an increase in the number of parts, assembly man-hours, and weight can be suppressed, and the transmission member can be easily protected.

In the above-mentioned vehicle seat, the linear support member has an insertion hole through which the transmission member is inserted from the seat back formed by the plurality of connecting portions and connected to the opening;
The opening may be formed in a shape that is open 180 degrees in the front-rear direction of the vehicle seat with the exit of the insertion hole as the center.
With this configuration, when the seat back is reclined, the wall portion of the protection member protects the transmission member in the left-right direction while suppressing movement of the transmission member in the left-right direction. Further, since the opening is open 180 degrees in the front-back direction, the transmission member can be smoothly bent in the front-back direction.

In the vehicle seat described above, it is preferable that the transmission member is not fixed by the plurality of protection members constituting the linear support member.
Since the transmission member is not fixed by the plurality of protection members, the transmission member can freely move within the space formed by the protection members without being restrained. Therefore, the lodging motion of the seat back is not inhibited by the transmission member.

In the vehicle seat described above, the transmission member inserted into the first space of the cover member may be sandwiched between a seat back skin trim cover and a seat cushion skin trim cover.
By being sandwiched between the seat back skin trim cover and the seat cushion skin trim cover, interference with or contact with peripheral members such as the frame is suppressed, and the transmission member is protected. Thereby, malfunctions due to disconnection or the like can be suppressed.

In the above vehicle seat, the seatback side fixing portion fixes the transmission member at a position close to the reclining mechanism of the seat back, and a seatback side fixing portion fixes the transmission member at a position close to the reclining mechanism of the seat cushion. a seat cushion-side fixing part for fixing, and the transmission member is configured to transmit a signal between the seat back-side fixing part and the seat cushion-side fixing part when the seat back is in a reclined state toward the seat cushion side. It is preferable that it is bent in an L-shape when viewed from below.

Since the transmission member is bent in an L-shape when viewed from below, when the seat back is folded down, the transmission member is bent in the front-rear direction. Therefore, the transmission member does not interfere with the reclining operation of the seat back, and the transmission member can be smoothly bent and moved.

In the vehicle seat described above, the transmission member may have a bending angle that changes from the seat back side fixing part toward the seat cushion side fixing part in a side view in accordance with the inclination angle of the seat back. good.
Since the bending angle of the transmission member changes in accordance with the angle at which the seatback is tilted, the transmission member does not inhibit the reclining operation of the seatback, and the load on the transmission member can be reduced.

According to the vehicle seat of the present invention, the transmission member arranged from the seat back to the seat cushion can be protected from interfering with or coming into contact with peripheral members such as the seat frame, and malfunctions due to wire breakage etc. can be suppressed. can do.
In addition, by providing a linear body support member composed of a plurality of protection members in close proximity to the reclining mechanism, it is possible to protect the reclining mechanism from interfering with or coming into contact with peripheral members such as the seat back frame. Malfunctions due to disconnection or the like can be suppressed.
Further, by forming the opening in the shape of a groove extending in the front-rear direction, the transmission member can be branched in the front-rear direction or can be swung in response to the movement of tilting the seat back.
Further, since the groove-shaped opening is formed by the walls of the plurality of protection members and the plurality of connection parts, the groove-shaped opening can be easily formed, and the transmission member can be sandwiched between the protection members. At the same time, the transmission member can be branched at the groove-shaped opening, or the transmission member can be swung according to the operation of tilting the seat back.
In addition, by connecting the engaging parts and engaged parts provided on multiple protective members by fitting them together, the protective members can be easily joined together, reducing the number of parts, assembly man-hours, and weight. It is possible to suppress the increase and easily protect the transmission member.
In addition, since the opening is formed in a shape that is open 180 degrees in the front-rear direction, when the seat back is folded down, the wall of the protection member protects the transmission member in the left-right direction, while the transmission member is protected in the left-right direction. restrain the movement of Moreover, since the opening is open 180 degrees in the front-back direction, the transmission member can be smoothly bent in the front-back direction.
Further, since the transmission member is not fixed by the plurality of protection members, the transmission member can freely move without being restrained within the space formed by the protection members. Therefore, the movement of tilting the seat back is not hindered by the transmission member.
By providing a cover member composed of a protective member provided on the rear side of the seat cushion, interference with or contact with members arranged on the seat cushion side such as the seat cushion frame is suppressed, the transmission member is protected, and wire breakage is prevented. It is possible to suppress malfunctions caused by such problems.
In addition, since the plurality of protection members constituting the cover member include a reclining inner cover, a seat cushion undercover, and a cushion cover, interference with or contact with peripheral members such as the reclining mechanism and the seat cushion frame is suppressed. and the transmission member is protected. Thereby, malfunctions due to disconnection or the like can be suppressed.
Furthermore, since the transmission member is sandwiched between the seat back skin trim cover and the seat cushion skin trim cover, interference with or contact with the seat back frame, seat cushion frame, etc. is suppressed, and the transmission member is protected. Become. Thereby, malfunctions due to disconnection or the like can be suppressed.
Moreover, since the transmission member is bent in an L-shape when viewed from below, the transmission member is bent in the front-rear direction even when the seat back is operated to fall down. Therefore, the transmission member can smoothly bend and move without hindering the lodging motion of the seat back.
Since the bending angle of the transmission member changes in accordance with the angle at which the seatback is tilted, the transmission member does not inhibit the reclining operation of the seatback, and the load on the transmission member can be reduced.

1 is a perspective view showing the appearance of a vehicle seat according to an embodiment of the present invention, as seen diagonally from the front. FIG. 2 is a perspective view showing the appearance of the vehicle seat, viewed diagonally from the rear. FIG. 2 is an enlarged view showing the interior of the seat in part III of FIG. 1, and is a view showing the frame and the filament support member with the cushion trim cover removed. FIG. 3 is a perspective view showing the filament support member, as seen from the outside of the vehicle seat. It is a perspective view showing the first support member which constitutes a filament support member. It is a perspective view which shows the 2nd support member which comprises a filament|striate body support member. FIG. 3 is a perspective view showing the arrangement of a filament support member and a cover member. FIG. 2 is a perspective view of the reclining inner cover constituting the cover member, viewed obliquely from the rear. It is an explanatory view of a seat cushion undercover which constitutes a cover member. FIG. 2 is an explanatory diagram showing the state of the transmission member when the seat back is erected, and is a view of the vehicle seat viewed diagonally from the rear. FIG. 2 is an explanatory diagram showing the state of the transmission member when the seat back is erected, and is a view of the vehicle seat viewed diagonally from the lower rear side. FIG. 2 is an explanatory view showing the state of the transmission member when the seat back is folded forward, and is a view of the vehicle seat viewed diagonally from the upper rear side. FIG. 3 is an explanatory diagram showing the state of the transmission member when the seat back is folded forward, and is a view of the vehicle seat viewed diagonally from the rear inside. FIG. 3 is an explanatory diagram showing the state of the transmission member when the seat back is folded forward, and is a view of the vehicle seat viewed from the rear.

Hereinafter, the configuration of a vehicle seat according to an embodiment of the present invention will be described with reference to the drawings. However, the embodiments described below are for facilitating understanding of the present invention, and are not intended to limit the present invention. That is, the present invention may be modified and improved without departing from its spirit, and it goes without saying that the present invention includes equivalents thereof.
Further, in the following description, the content regarding the material, shape, and size of the seat component parts is merely one specific example, and does not limit the present invention.

In addition, below, a vehicle seat mounted in a vehicle will be cited as an example of a vehicle seat, and an example of its configuration will be described. However, the present invention is not limited to vehicle seats installed in ground vehicles with wheels such as automobiles and trains, but can also be applied to seats installed in aircraft, ships, etc. that move on areas other than the ground. may be applied.

In addition, in the following description, the "front-back direction" refers to the front-back direction of the vehicle seat, and is a direction that coincides with the direction in which the vehicle travels. Moreover, the "seat width direction" is the width direction of the vehicle seat (in other words, the width direction of the seat body), and is a direction that coincides with the left-right direction as seen from an occupant seated on the vehicle seat. Moreover, the "vertical direction" refers to the vertical direction of the vehicle seat, and is a direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane.

In addition, "outside the car" in the seat width direction means the side closer to the outside of the car body (for ease of understanding, the side closest to the nearest door), and "inside the car" means the side closer to the inside of the car body (for ease of understanding, the side closest to the nearest door). Easy means the side farthest from the nearest door).
In addition, in the following description, "rotation" means a rotation movement about an axis along the sheet width direction, unless otherwise specified.

Note that the shape, position, posture, etc. of each part of the vehicle seat described below will be described assuming that the vehicle seat is in the seated state, which will be described later, unless otherwise specified.

<Vehicle seat S>
The basic configuration of a vehicle seat (hereinafter referred to as vehicle seat S) according to this embodiment will be described with reference to FIG. FIG. 1 is a perspective view of a vehicle seat S, and a portion of the vehicle seat S in FIG. 1 is shown with the cushion trim cover T and pad P removed for convenience of illustration.

The vehicle seat S is placed on the floor of the vehicle body, and is a seat on which a vehicle occupant sits. In this embodiment, the vehicle seat S is used as a rear seat corresponding to a rear seat of a vehicle. However, the vehicle seat S is not limited to this, and the vehicle seat S can also be used as a front seat, and can also be used as a second-row middle seat or a third-row seat in a vehicle equipped with three rows of seats in the front and rear direction. It can also be used as a rear seat.

In the configuration illustrated in FIG. 1, the vehicle seat S includes a left seat Sa disposed on the left side, a right seat Sb disposed on the right side, and a center seat Sc provided between them. The center seat Sc is provided with a movable armrest and its storage box. The left seat Sa and the center seat Sc are configured so that their seat backs 1 are folded forward together, but the right seat Sb and the left seat Sa basically have the same configuration, so Below, the structure of the left seat Sa of the vehicle seat S will be mainly described.

As shown in FIG. 1, the left seat Sa includes a seat back 1 serving as a backrest portion that supports the back of the occupant, a seat cushion 2 serving as a seating portion supporting the buttocks of the occupant, and an upper portion of the seat back 1. , the main component is a headrest 3 that supports the head of the seated person. The seat back 1 and the seat cushion 2 are connected to sandwich a reclining mechanism 7, which will be described later. The seat back 1 is rotatably connected to the seat cushion 2 so that its angle can be adjusted. The reclining mechanism 7 adjusts the inclination angle of the seat back. Further, the reclining mechanism 7 is covered on the outside by a reclining outer cover 41. Moreover, the inside is covered with a reclining inner cover 42.

As shown in FIG. 3, a seat frame F is provided in the left seat Sa. It is composed of a cushion frame 20.

The seat back frame 10 has a rectangular frame shape as a whole, and includes back side frames 11 arranged on both sides and a back panel 16 arranged therebetween.

The seat cushion frame 20 is also formed into a rectangular frame shape, and cushion side frames 21 are provided on the sides thereof. It also includes a front connection frame (not shown) that connects the cushion side frames 21 at the front, and a rear connection frame 23 that connects the cushion side frames 21 at the rear. (See Figure 6)

A pad P and a cushion trim cover T (cushion cover) are provided on the outside of the seat back frame 10 and the seat cushion frame 20, so that the seat back 1 and the seat cushion 2 are configured. The pad P is a urethane base material formed by foam molding using, for example, a urethane foam material, and the cushion trim cover T is made of a skin material such as cloth, synthetic leather, or genuine leather.

Further, a reclining mechanism 7 is provided between the rear end of the seat cushion 2 and the lower end of the seat back 1. More specifically, the reclining mechanism 7 connects the seat back frame 10 of the seat back 1 and the seat cushion frame 20 of the seat cushion 2. The reclining mechanism 7 allows adjustment of the angle of the seat back 1 (seat back frame 10) with respect to the seat cushion 2 (seat cushion frame 20). The reclining mechanism 7 allows the seat back 1 to be locked at a predetermined angle and maintained in an inclined state. Further, by releasing the lock, the seat back 1 can be folded forward or backward.

Moreover, a slide rail 4 is installed at the bottom of the vehicle seat S, as shown in FIGS. 1 and 2. With this slide rail 4, the vehicle seat S is attached to the vehicle body floor in a slidable manner in the front and rear directions.

The slide rail 4 is a device for sliding the left seat Sa and the center seat Sc, or the right seat Sb along the front-rear direction, and has a known structure (the structure of a general slide rail mechanism). . The slide rail 4 has a lower rail fixed on the vehicle body floor and an upper rail that is slidable relative to the lower rail. The upper rail can slide against the lower rail fixed to the vehicle body. The slide rail 4 has a lock mechanism that locks the sliding movement of the vehicle seat S. The locking mechanism can be released, for example, by pulling up a lever 15 provided on the shoulder of the left seat Sa. The lever 15 and the locking mechanism are connected by a cable 13, and an operating force is transmitted by the cable 13 to release the locked state of the slide rail 4. As shown in FIGS. 1 and 3, the cable 13 is routed internally from the seat back 1 to the seat cushion 2.

Furthermore, an airbag device 8 is provided on the side of the vehicle seat S. The airbag device 8 is electrically connected to an engine control unit (ECU) (not shown) by a wire harness 14. The wire harness 14 is a bundle of electric wires used for power supply and signal communication, and like the cable 13, it is routed from the seat back 1 to the seat cushion 2 in order to connect the airbag device 8 and the ECU. There is. Note that the wire harness 14 is not limited to the airbag device 8, but is designed to be connected to a lighting provided in the seatback 1 or an electric motor for automatically lowering or raising the seatback 1. There may be. In this application, the cable 13 or wire harness 14 routed from the seat back 1 to the seat cushion 2 may be collectively referred to as a transmission member.

In conventional vehicle seats, the cable or wire harness routed from the seat back to the seat cushion comes out at the connection between the seat back and the seat cushion. Alternatively, it was covered with a tubular member as disclosed in Patent Document 1. Therefore, when the seat back is folded down, the cable or the tubular member covering the cable may come into contact with other members and get caught, and the cable may obstruct the folding operation of the seat back. In addition, there were cases where a part of the cable went out to the rear.

In the vehicle seat S of this embodiment, a plurality of protection members are provided on the seat back 1 or the seat cushion 2 in close proximity to the reclining mechanism 7. By inserting the cable 13 or the wire harness 14 into the space formed by the plurality of protection members provided, interference with or contact with peripheral members within the seat is suppressed. More specifically, as shown in FIG. 3, a linear body support member 30 provided at the lower end of the seat back frame 10 and a cover member 40 provided at the rear of the seat cushion frame 20 shown in FIG. It is used to protect transmission members such as the cable 13 and wire harness 14.

<Striatal body support member>
The linear body support member 30 will be explained using FIGS. 3 to 5B. The filament support member 30 is a member provided on the seat back 1 in proximity to the reclining mechanism 7. The filament support member 30 is composed of a first support member 31 and a second support member 32, which are protection members. In the filament support member 30, the first support member 31 and the second support member 32 form an insertion hole 34 and an opening 33 as a space R1 through which the cable 13 and the like are inserted. The cable 13 and wire harness 14 inserted into the space R1 are protected by being sandwiched between the first support member 31 and the second support member 32.

The filament support member 30 is attached to the seat back frame 10 of the seat back 1 by a mounting bracket 35. More specifically, as shown in FIG. 3, it is attached to the opposite side of the reclining mechanism 7 at the lower end of the back side frame 11 of the seat back frame. The filament support member 30 supports the cable 13 and wire harness 14 extending from the seat back 1 by sandwiching them between a first support member 31 and a second support member 32 .

An opening 33 through which the cable 13 and the like are exposed toward the seat cushion 2 is formed in a space R1 formed by the first support member 31 and the second support member 32. As shown in FIG. 3, the opening 33 is formed in the shape of a groove that extends in the front-rear direction of the vehicle seat S when the seat back 1 is in the upright state. Since the opening 33 is formed in a groove shape, the cable 13 and wire harness 14 that are pinched can be branched in the front and back direction, and the cable 13 and wire harness 14 can be swung back and forth in response to the reclining movement of the seat back 1. You can move it.

5A and 5B are perspective views individually showing the first support member 31 and the second support member 32 of the filamentary body support member 30. FIG. The first support member 31 and the second support member 32 have wall portions 31a and 32a, respectively, which serve as walls of the space R1 through which the cable 13 and the like are inserted. Further, it has a plurality of connecting portions 31b, 32b that protrude from the wall portions 31a, 32a and connect the first support member 31 and the second support member 32. The connecting portions 31b and 32b provided on each of the first support member 31 and the second support member 32 are coupled to each other, so that the filament support member 30 is integrated.

As shown in FIG. 5A, the connecting portion 31b of the first support member 31 is formed with a slit-shaped recess 31c (an example of an engaged portion) extending upward from the lower surface of the connecting portion 31b. There is. Furthermore, as shown in FIG. 5B, the connecting portion 31b of the second support member 32 is provided with a convex portion 32c (an example of an engaging portion) extending upward from the lower surface. By sliding the second support member 32 onto the first support member 31 from below to above, the concave portion 31c and the convex portion 32c fit together, and the second support member 32 is coupled to the first support member 31.

Note that the method of fixing the first support member 31 and the second support member 32 by fitting the concave portion 31c and the convex portion 32c is one example, and the first support member 31 is provided with the convex portion, and the second support member A recess may be formed in the member 32. A plurality of convex portions and concave portions may be formed in each of the connecting portions 31b and 32b. Alternatively, the first support member 31 and the second support member 32 may be fixed by adhesive, without forming recesses or protrusions on the surfaces that contact each other, or by using screws or resin clips. It may also be fixed.

By coupling the second support member 32 to the first support member 31, the filament support member 30 has an inverted T-shape in side view between the first support member 31 and the second support member 32. A space R1 is formed. The cable 13 or wire harness 14 extending from the seat back 1 is first inserted into the insertion hole 34 and then into the groove-shaped opening 33, as shown in FIGS. 3 to 5B. Further, as can be seen from FIGS. 5A and 5B, the groove-shaped opening 33 extends from the exit of the insertion hole 34 in the front-rear direction (direction of arrow A) centered on the insertion direction (direction of arrow A) of the cable 13 and wire harness 14 shown by dotted lines. It is opened 180 degrees in the horizontal direction.

Moreover, the cable 13 and the wire harness 14 are not directly fixed to the first support member 31 and the second support member 32 that constitute the filament support member 30 . Therefore, in the insertion hole 34, the cable 13 and the wire harness 14 are restricted from moving in the front-rear direction and left-right direction by the walls 31a, 32a and the connecting parts 31b, 32b, but are free to move in the vertical direction. be able to.
Further, in the groove-shaped opening 33, the cable 13 and the wire harness 14 are restricted from moving in the left-right direction by the walls 31a and 32a, but are not restricted from moving in the front-back direction. Therefore, even when the seat back 1 is reclined, the cable 13 and the wire harness 14 can freely bend in the front-rear direction at the opening 33. That is, the cable 13 and the wire harness 14 can be swung back and forth in response to the reclining motion of the seat back 1. In addition, since it is protected in the left and right direction by the walls 31a and 32a of the first support member 31 and the second support member 32, it may interfere with or come into contact with peripheral members in the seat, such as the backside frame 11 or the reclining mechanism 7. things are suppressed. As a result, malfunctions due to wire breakage and the like are suppressed, and interference with the reclining movement of the seat back 1 is suppressed.

The linear support member 30 is fixed to the opposite side of the reclining mechanism 7 at the lower end of the backside frame 11 by a mounting bracket 35. The mounting bracket 35 is fixed to the backside frame 11 at its upper end, as shown in FIG. The mounting bracket 35 has an L-shaped cross section, and has a flange portion 35b at the lower end and an arm portion 35a extending rearward. The filament support member 30 is fixed to the mounting bracket 35 using a plurality of fixing members 39. A through hole 35c is formed in the flange portion 35b, into which a cross rib 39b (FIG. 4) provided inside the first support member 31 is inserted and the claw portion 39a (FIG. 3) is engaged. Then, the resin clip 39c is inserted into a hole in the arm portion 35a of the mounting bracket 35 and a hole formed in the side of the first support member 31, and is fixed.

The mounting bracket 35 is provided with a cable fixing part 51 that holds the cable 13 along the backside frame 11 as a seatback side fixing part. Further, a first clip 52 for holding the wire harness 14 is provided on the side of the mounting bracket 35 as a seatback side fixing part.

<Cover member>
The cover member 40 of this embodiment will be explained using FIGS. 6 to 8. The cover member 40 is a member constituted by a plurality of protection members provided on the rear side of the seat cushion 2 in proximity to the reclining mechanism 7. Specifically, the cover member 40 includes a reclining inner cover 42, a seat cushion undercover 43, and a cushion trim cover T, which are protective members, and the cable 13 and wire harness 14 are inserted into the space R2 formed by them. are doing. The cable 13 and the wire harness 14 are protected by a reclining inner cover 42, a seat cushion undercover 43, and a cushion trim cover T, which are protective members.

The reclining inner cover 42 is a member that covers the inner part of the reclining mechanism 7 and a part of the seat cushion frame 20. More specifically, as shown in FIG. 7, the reclining inner cover 42 includes a reclining mechanism cover part 42a that covers the inside of the reclining mechanism 7, and a cushion frame cover part that covers the rear connecting frame 23 of the seat cushion frame 20. 42b.

The seat cushion undercover 43 is a member that covers the lower surface of the seat cushion 2. As shown in FIG. 8, the seat cushion undercover 43 includes a cushion bottom cover part 43a that covers the bottom surface of the seat cushion 2, and a cushion rear cover part 43b that covers the rear part of the seat cushion 2. The cushion rear cover portion 43b is formed with a curved surface so as to correspond to the shape of the rear portion of the seat cushion 2, and a portion of the cushion rear cover portion 43b in which the cable 13 and the like are accommodated is further formed in a concave shape. The seat cushion undercover 43 is configured such that, when attached to the seat cushion 2, a space R2 through which the cable 13 and the wire harness 14 are inserted is formed between the seat cushion undercover 43 and the cushion frame cover portion 42b. By forming the space R2, the cable 13 and the wire harness 14, which are sandwiched between the reclining mechanism cover part 42a, are prevented from interfering with or coming into contact with the seat cushion frame 20. Further, the cable 13 and wire harness 14 are not visible from the outside. Further, the cushion rear cover portion 43b suppresses the cable 13 and the wire harness 14 from jumping out from the rear of the seat cushion 2 when the seat back 1 is reclined. It protects 14.

9A and 9B are diagrams showing how the cable 13 and wire harness 14 are routed when the seat back 1 is erected. Note that the seat cushion undercover 43 is shown with the seat cushion undercover 43 removed to make it easier to understand the routing state of the cable 13 and wire harness 14.

As shown in FIGS. 9A and 9B, the cable 13 and wire harness 14 routed from the opening 33 of the filamentary body support member 30 to the seat cushion 2 extend in the width direction after extending rearward (in the direction of arrow D). (direction of arrow C). The cable 13 and wire harness 14 extending from the filament support member 30 are sandwiched between a seat back skin trim cover 44 and a seat cushion skin trim cover 45 extending from the lower end of the seat back 1, as shown in the figure. This prevents interference or contact with surrounding members.

As shown in FIG. 9B, the seat back skin trim cover 44 and the seat cushion skin trim cover 45 form a slit opening 46 through which the cable 13 and the like exit. This slit opening 46 is held by the walls 31a and 32a of the filament support member 30. Therefore, the slit opening 46 and the cable 13 passing through it do not get close to the inside of the vehicle seat S, and for example, a certain space (lift area 9) can be secured above the rear communication frame (see FIG. 10C). .

The seat back skin trim cover 44 is a part of the cushion trim cover T of the seat back 1 and extends from its lower end. The seat cushion skin trim cover 45 is a part of the cushion trim cover T of the seat cushion 2 and extends from the rear end. The members of the seat back skin trim cover and the seat cushion skin trim cover that come into contact with the cable 13 and the wire harness 14 are made of nonwoven fabric from which padding has been removed. By configuring the portions that contact the cable 13 and the wire harness 14 with nonwoven fabric, generation of abnormal noise due to contact is suppressed. Furthermore, by configuring the abutting portion with a nonwoven fabric, it is possible to reduce the resistance that occurs when the cable 13 and the wire harness 14 move, and it is possible to suppress the obstruction of the lodging movement of the seat back 1. .

The arrangement state of the cable 13 and wire harness 14 on the seat cushion 2 side will be explained. As described above, the seat cushion frame 20 of the seat cushion 2 includes a pair of cushion side frames 21 provided on both sides, and a front connection frame (not shown) and a rear connection frame 23 that connect them. The cable 13 on the seat cushion 2 side is arranged to extend in the width direction (arrow C direction), and as shown in FIGS. 9A and 9B, a second clip 53 ( It is fixed using the seat cushion side fixing part). Further, the wire harness 14 arranged on the seat cushion 2 side also extends in the width direction, and is attached to the bracket 25 using a third clip 54 (seat cushion side fixing part) arranged at a different location from the second clip 53. Fixed.
On the other hand, as described above, the cable 13 routed to the seat back 1 side is fixed by the cable fixing part 51 of the mounting bracket 35 so as to extend in the width direction (direction of arrow C) along the backside frame 11. There is. The wire harness 14 is fixed by a first clip 52 of the mounting bracket 35 so as to extend in the width direction (direction of arrow C) along the backside frame 11.

10A to 10C are rear views of the vehicle seat S with the seat back 1 folded forward, and show the arrangement of the cable 13 and the wire harness 14. Note that the seat cushion under cover 43 is shown with the seat cushion under cover 43 removed in order to make the arrangement state easier to understand.
When the seat back 1 is folded forward, the portion of the cable 13 routed to the seat back 1 is extended forward of the vehicle seat S (in the direction of arrow B) by the cable fixing portion 51 of the mounting bracket 35. Placed. Further, the wire harness 14 is arranged to extend forward of the vehicle seat S (in the direction of arrow B) by the first clip 52.

Therefore, the cable 13 is bent into an L-shape when viewed from below between the cable fixing portion 51 of the mounting bracket and the second clip 53 of the seat cushion. Further, when the wire harness 14 is in a state where the seat back 1 is folded forward, the portion of the wire harness 14 that is routed to the seat back 1 is extended to the front of the vehicle seat S by the first clip 52 of the mounting bracket 35. It is arranged like this.
Therefore, like the cable 13, the wire harness 14 is bent in an L-shape when viewed from below between the first clip 52 of the mounting bracket 35 and the third clip 54 of the seat cushion 2. Become.

In this way, the cable 13 and the wire harness 14 are bent into an L shape by the cable fixing part 51, the first clip 52, and the second clip and the third clip 54, so that when the seat back 1 is laid down, Be able to bend and move smoothly. Therefore, the cable 13 and the wire harness 14 are prevented from obstructing the lodging operation of the seat back 1.

That is, by bending the cable 13 and the wire harness 14 in an L-shape when viewed from below, the cable 13 and the wire harness 14 routed around the seat back 1 can be bent in an L-shape when viewed from below. Their curvature changes depending on the angle. Since the cable 13 and the wire harness 14 are bent according to the inclination angle of the seat back 1, the cable 13 and the wire harness 14 arranged around the seat back 1 do not swing in the width direction, and the seat back 1 is bent. Does not inhibit lodging motion. Further, extreme bending of the cable 13 and wire harness 14 is suppressed, thereby reducing the load on the cable 13 and wire harness 14.

Note that when transporting the vehicle seat S into the vehicle body, the fork (lifting portion) of the lift is inserted into the space above the rear connection frame 23 of the seat cushion 2 (lift area 9, see FIG. 10C). Since the fork is inserted, the lift area 9 is not normally wired in order to prevent the cable 13 and wire harness 14 from being disconnected. Furthermore, swinging of the cable 13 and wire harness 14 in the lift area 9 is also prohibited.
By using the filament support member 30 and the cover member 40 of this embodiment, swinging of the cable 13 and wire harness 14 in the lift area 9 is suppressed, and disconnection due to the fork of the lift is suppressed.

Further, as shown in FIG. 6, the cable 13 and wire harness 14 routed to the seat cushion 2 side are protected by a cushion rear cover portion 43b that stands up at the rear portion of the seat cushion undercover 43. Therefore, when the seat back 1 is laid down, the cable 13 and wire harness 14 extending from the seat back 1 are prevented from coming into contact with the cushion rear cover portion 43b and being exposed to the outside. The cable 13 and the wire harness 14 are not exposed at the rear of the vehicle seat S and are not visible from the outside even when the seat back 1 is reclined, so that the appearance and marketability are improved.

The vehicle seat S of this embodiment has been described above using the drawings. Although the description has been made regarding the filament support member 30 and cover member 40 provided on the left seat of the vehicle seat S, the filament body support member 30 and cover member 40 having similar configurations are also applicable to the right seat Sb. It is provided. Further, the vehicle seat S includes both the filament support member 30 provided on the seat back 1 and the cover member 40 provided on the seat cushion 2. The harness 14 may be protected.

S Vehicle seat (vehicle seat)
Sa Left seat Sb Right seat Sc Center seat T Cushion trim cover (cushion cover)
P Pad 1 Seat back 2 Seat cushion 3 Headrest 4 Slide rail 7 Reclining mechanism 8 Air bag device F Seat frame R1, R2 Space 9 Lift area 10 Seat back frame 11 Back side frame 13 Cable (transmission member)
14 Wire harness (transmission member)
15 Lever 16 Back panel 20 Seat cushion frame 21 Cushion side frame 23 Rear connection frame 25 Bracket 30 Wire support member 31 First support member (protection member)
31a Wall portion 31b Connecting portion 31c Recessed portion (engaged portion)
32 Second support member (protection member)
32a Wall portion 32b Connecting portion 32c Convex portion (engaging portion)
33 Opening 34 Insertion hole 35 Mounting bracket 35a Arm 35b Flange 39 Fixing member 39a Claw 39b Cross rib 39c Resin clip 40 Cover member 41 Reclining outer cover 42 Reclining inner cover (protective member)
42a Reclining mechanism cover part 42b Cushion frame cover part 43 Seat cushion under cover (protective member)
43a Cushion bottom cover portion 43b Cushion rear cover portion 44 Seat back skin trim cover (protective member)
45 Seat cushion skin trim cover (protective member)
46 Slit opening 51 Cable fixing part (seat back side fixing part)
52 First clip (seat back side fixing part)
53 Second clip (seat cushion side fixing part)
54 Third clip (seat cushion side fixing part)

Claims (10)

A vehicle seat comprising a seat cushion, a seat back connected to the seat cushion so that its angle can be adjusted, and a reclining mechanism that adjusts the inclination angle of the seat back,
a transmission member arranged from the seat back to the seat cushion;
a plurality of protection members that protect the transmission member provided on the seat back or the seat cushion in proximity to the reclining mechanism ;
Among the plurality of protection members, a protection member provided on the rear side of the seat cushion in proximity to the reclining mechanism constitutes a cover member,
The plurality of protection members constituting the cover member form one first space through which the transmission member arranged on the seat cushion side is inserted,
The plurality of protection members forming the first space include a reclining inner cover that covers an inner portion of the reclining mechanism, a seat cushion undercover that covers a lower surface of the seat cushion, and a cushion cover. Characteristic vehicle seats. Among the plurality of protection members , a protection member provided on the seat back in close proximity to the reclining mechanism constitutes a striated body support member,
The plurality of protection members constituting the filamentary support member form one second space into which the transmission member arranged on the seat back side is inserted and sandwiched. The vehicle seat according to claim 1. The filament support member has an opening that opens toward the seat cushion in the second space sandwiching the transmission member, and the opening opens toward the seat cushion when the seat back is in an upright state. The vehicle seat according to claim 2, wherein the vehicle seat is formed in a groove shape extending in the front-rear direction. Each of the plurality of protection members constituting the striatal body support member has a wall portion and a plurality of connection portions protruding from the wall portion, and the plurality of protection members are connected by the connection portions. The vehicle seat according to claim 3, wherein the groove-shaped opening is formed by the wall portion and the connecting portion. The plurality of protection members constituting the filamentary body support member are formed by fitting an engaging portion provided on one of the plurality of connecting portions that connect with each other and an engaged portion provided on the other. 5. The vehicle seat according to claim 4, wherein the vehicle seat is connected to the vehicle seat. The filament support member has an insertion hole through which the transmission member is inserted from the seat back formed by the plurality of connecting portions and connected to the opening,
6. The vehicle seat according to claim 5, wherein the opening is formed in a shape that is open 180 degrees in the front-rear direction of the vehicle seat centering on the exit of the insertion hole. The vehicle seat according to any one of claims 2 to 6, wherein the transmission member is not fixed by the plurality of protection members constituting the filament support member. The vehicle seat according to claim 1 , wherein the transmission member inserted into the first space of the cover member is sandwiched between a seat back skin trim cover and a seat cushion skin trim cover. a seatback side fixing portion that fixes the transmission member at a position close to the reclining mechanism of the seatback;
a seat cushion side fixing part that fixes the transmission member at a position close to the reclining mechanism of the seat cushion;
The transmission member is bent in an L-shape when viewed from below between the seat back side fixing part and the seat cushion side fixing part when the seat back is in a state of being reclined toward the seat cushion side. The vehicle seat according to any one of claims 1 to 8, characterized in that: 10. The transmission member according to claim 9 , wherein the bending angle of the transmission member changes from the seat back side fixing part toward the seat cushion side fixing part in accordance with the inclination angle of the seat back when viewed from the side. Vehicle seat as described.