JP2019038427A - Vehicle seat - Google Patents

Abstract

To further easily stretch a cover member by creeping a part of the cover member into a clearance between a leg member and an undersurface of a seat cushion.SOLUTION: A vehicle seat comprises a trim cover 30 covering an undersurface of a seat cushion S1 and a leg member 10 installed in a lower part of the seat cushion, and the leg member 10 comprises an extension part 11 extending in a state of providing a clearance between the undersurface of the seat cushion S1 and itself. The trim cover 30 comprises a first cover part 31 covering a first area of the undersurface of the seat cushion S, a second cover part 32 covering a second area adjacent to the first area and connected to the first cover part 31 by creeping into the clearance, and a third cover part 33 overlapped on the second cover part 32 and creeping into the clearance together with the second cover part 32. Of the second cover part 32, an engaging hook 42 provided in a part of creeping into the clearance is divided into a plurality of hook pieces 42a.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a vehicle seat, and more particularly, to a vehicle seat in which a cover member is stretched so as to cover a lower surface of a seat cushion and a leg member for supporting the seat cushion is attached to a lower portion of the seat cushion.

  Among vehicle seats, there is a seat in which a cover member such as a trim cover is stretched so as to cover the lower surface (back surface) of the seat cushion. Further, as a configuration of a vehicle seat, a configuration in which a leg member is attached to a lower portion of the seat cushion in order to support the seat cushion is known (for example, see Patent Document 1). In the vehicle seat (vehicle seat) described in Patent Document 1, a leg member that is rotatable with respect to the seat cushion is attached to a lower portion of the seat cushion. In the vehicle seat described in Patent Document 1, the leg member can be folded with respect to the seat cushion by rotating the leg member in a direction approaching the seat cushion.

  When the cover member is stretched so as to cover the lower surface of the seat cushion to which the leg member is attached, the cover member is placed in the gap between the leg member (strictly, the leg member in a folded state) and the lower surface of the seat cushion. Will pass.

  More specifically, the end of the cover member that covers one of the two areas adjacent to each other on the lower surface of the seat cushion is hidden in the gap. And the edge part of the cover member which passed the said clearance gap is connected with the edge part of the cover member which covers the other area | region of said 2 area | regions. As a configuration for connecting the end portions of the cover member, it is common to provide an engaging portion at the end portion of one cover member and provide an engaged portion at the end portion of the other cover member. That is, the end of the cover member provided with the engaging portion is hidden in the gap between the leg member and the lower surface of the seat cushion, and is brought close to the end of the cover member provided in the engaged portion. Thus, the end portions of the cover member are connected to each other by engaging the engaging portion with the engaged portion.

International Publication No. 2016/024543

Regarding the connection mode of the cover member, it is desirable that the portion of the cover member provided with the engaging portion can be more easily hidden in the gap from the viewpoint of the attachment of the cover member.
Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle seat in which a part of the cover member is hidden in a gap between the leg member and the lower surface of the seat cushion and the cover member is stretched. It is providing the vehicle seat which can attach a cover member more easily.

  According to the vehicle seat of the present invention, the subject includes a cover member that is stretched so as to cover a lower surface of the seat cushion, and a leg member that is attached to a lower portion of the seat cushion to support the seat cushion. And the leg member includes an extending portion that extends in a state where a gap is provided between the leg member and the lower surface of the seat cushion, and the cover member covers a first region in the lower surface of the seat cushion. A first cover part; a second cover part that covers the second area adjacent to the first area on the lower surface of the seat cushion; and that is connected to the first cover part through the gap; and the second cover Is overlapped with the second cover portion at a position closer to the lower surface of the seat cushion than the portion, covers the second region together with the second cover portion, and hides the gap. An engagement portion that is engageable with an engaged portion provided in the first cover portion is provided in a portion of the second cover portion that goes under the gap. The engagement portion is solved by being divided into a plurality of engagement portion pieces.

In the vehicle seat of the present invention configured as described above, the first cover portion of the cover member covers the first region of the lower surface of the seat cushion, and the second cover portion covering the second region is a leg. It is connected to the first cover part through a gap between the member and the lower surface of the seat cushion. The third cover portion of the cover member is overlapped with the second cover portion on the side closer to the lower surface of the seat cushion than the second cover portion. As a result, it is possible to effectively cover the lower surface of the seat cushion to make it difficult to see the inside of the seat, and to prevent foreign matter from entering the seat.
Moreover, the part in which the engaging part engaged with the to-be-engaged part of a 1st cover member among the 2nd cover parts is provided in said clearance gap. The engaging portion is divided into a plurality of engaging portion pieces. If it is such composition, since an engaging part can be bent at a parting part of an engaging part piece (namely, a break of an engaging part), a part in which an engaging part is provided in the second cover part, It becomes easier to dive in the gap. As a result, the cover member can be attached more easily.

Further, in the above configuration, the engaging portion is engaged with the engaged portion in a state where the plurality of engaging portion pieces are arranged in a straight line, and each of the plurality of engaging portion pieces is mutually connected. It is good to form so that the amount of extension may become the same.
In said structure, when constructing an engaging part by arranging a plurality of engaging part pieces, it is possible to use engaging part pieces of the same length. Thereby, it becomes possible to easily attach the engaging pieces without mistaking the order (arrangement position) when arranging the engaging pieces.

Further, in the above configuration, the engaged portion extends along a predetermined direction, and the engaging portion includes a first engaging piece and a second engaging portion that are located at both ends of the engaging portion. One having a mating piece and being away from the first engagement piece in the second engagement piece from the end of the first engagement piece that is away from the second engagement piece The extension amount of the engaged portion is preferably longer than the distance to the end of the engagement portion.
In said structure, the length of the to-be-engaged part is longer than the length from the one end of the engaging part comprised by the several engaging part piece to the other end. With such a configuration, it is possible to absorb the variation in the length of the engaging portion and appropriately engage the engaging portion with the engaged portion.

In the above configuration, the engaged portion may extend along a predetermined direction, and may be continuous from one end to the other end in the extending direction of the engaged portion.
In the above configuration, the engaging portion is divided into a plurality of engaging portion pieces, whereas the engaged portion is provided in a continuous state without being divided. With such a configuration, the engaged portion can be provided more easily than the configuration in which the engaged portion is divided into a plurality of pieces.

In the above configuration, the engagement portion includes a first engagement portion piece and a second engagement portion piece located at both ends of the engagement portion, and the first engagement portion piece includes the first engagement portion piece. The distance from the end away from the second engagement piece to the end away from the first engagement piece in the second engagement piece is larger than the extension amount of the extension. Long is good.
In said structure, the length from the one end of the engaging part comprised by the several engaging part piece to the other end to the other end is longer than the extension amount of the extension part of a leg part. With such a configuration, the range in which the engaging portion engages with the engaged portion can be secured longer (wider) than the extending amount of the extending portion of the leg portion. As a result, the engaging portion can be more appropriately engaged with the engaged portion, and the second cover portion can be more appropriately connected to the first cover portion.

Further, in the above configuration, the leg member has an attachment portion disposed at a side position of the extension portion for attaching the leg member to the seat cushion, and the second cover portion and the third cover Each of the portions is provided with a notch for allowing the attachment portion to pass therethrough, and of the outer edge of the notch provided in the second cover portion, the attachment portion in the extending direction of the extension portion. The portion adjacent to the mounting portion may be located at a position different from the portion adjacent to the attachment portion in the extending direction, of the outer edge of the notch provided in the third cover portion.
In the above configuration, of the outer edge of the notch provided in the second cover part, the part adjacent to the attachment part of the leg member is adjacent to the attachment part of the outer edge of the notch provided in the third cover part. It is in a position off the mating part. In such a positional relationship, the outer edge of the notch is displaced between the second cover portion and the third cover portion that are overlapped with each other, so that the portion that is not covered by the formation of the notch in the lower surface of the seat cushion Can be reduced.

Further, in the above configuration, the cover member includes a fourth cover portion that covers a third region at a side position of the first region and the second region on the lower surface of the seat cushion, and the second cover portion A second engaging portion is provided at an end of the second cover portion to connect the second cover portion to the fourth cover portion, and the third cover portion is provided at the end of the third cover portion. A third engagement portion is provided to connect to the fourth cover portion, and in a state where each of the second cover portion and the third cover portion is connected to the fourth cover portion, the second engagement portion is provided. The engaging portion is in a position aligned with the third engaging portion in a straight line, and is overlapped with a portion of the end portion of the third cover portion that is out of the portion where the third engaging portion is provided. It is good to be.
In the above configuration, the second engagement portion provided at the end portion of the second cover portion is arranged at a position aligned with the third engagement portion in a straight line, and among the end portions of the third cover portion, the third engagement portion is arranged. It overlaps with the part which remove | deviated from the part in which the engaging part was provided. That is, since the end portion of the second cover portion provided with the second engagement portion is overlapped with the end portion of the third cover portion, it becomes possible to make the inside of the seat more difficult to see.

According to the vehicle seat of the present invention, it is possible to effectively cover the lower surface of the seat cushion to make it difficult to see the inside of the seat, and to prevent foreign matters from entering the seat.
Further, as a result of the gap between the leg member and the lower surface of the seat cushion, the portion where the engaging portion is provided in the second cover portion can more easily dive, the cover member can be attached more easily. .
Moreover, according to the vehicle seat of the present invention, it is possible to easily attach the engaging part pieces without mistaking the order (arrangement position) when arranging the engaging part pieces.
Moreover, according to the vehicle seat of the present invention, it is possible to absorb the variation in the length of the engaging portion and to appropriately engage the engaging portion with the engaged portion.
Further, according to the vehicle seat of the present invention, since the engaged portion is provided in a continuous state without being divided, more than the configuration in which the engaged portion is divided into a plurality of pieces. The engaged portion can be easily provided.
Further, according to the vehicle seat of the present invention, the range in which the engaging portion engages with the engaged portion is ensured longer (wider) than the extending amount of the extending portion of the leg portion. As a result, the engaging portion engages with the engaged portion better, and the second cover portion is more appropriately connected to the first cover portion.
Further, according to the vehicle seat of the present invention, since the outer edge of the notch is displaced between the second cover portion and the third cover portion that are overlapped with each other, it is covered by the formation of the notch in the lower surface of the seat cushion. It becomes possible to reduce the part which is not broken.
In addition, according to the vehicle seat of the present invention, the end of the second cover portion provided with the second engagement portion is overlapped with the end of the third cover portion, so that the interior of the seat is made more difficult to see. It becomes possible.

It is a figure when the vehicle seat which concerns on one Embodiment of this invention exists in a seatable state. It is a figure when the vehicle seat which concerns on one Embodiment of this invention exists in a chip-up state. It is a perspective view which shows a seat cushion frame and its peripheral devices. It is the figure which looked at the seat cushion from the lower part. It is a figure which shows the AA cross section of FIG. It is a figure which shows the state which rolled up a part of cover member which covers the lower surface of a seat cushion. It is a figure which shows a mode that a cover member is stretched so that the lower surface of a seat cushion may be covered. It is a figure which expands and shows each side edge part of the 2nd cover part and 3rd cover part which mutually overlapped. It is an enlarged view which shows the side edge part of a 3rd cover part.

  Hereinafter, the structure of the vehicle seat which concerns on one Embodiment (this embodiment) of this invention is demonstrated, referring drawings. However, the embodiment described below is an example for facilitating understanding of the present invention, and does not limit the present invention. That is, the present invention can be changed and improved without departing from the gist thereof, and the present invention includes its equivalents.

  In the following, a vehicle seat is taken as an example of a vehicle seat, and a configuration example thereof will be described. However, the present invention can also be applied to a vehicle seat other than a vehicle seat, for example, a seat mounted on a ship or an aircraft.

  Further, in the following description, the “front-rear direction” is the front-rear direction of the vehicle seat and is the direction that coincides with the traveling direction during vehicle travel. Further, the “seat width direction” is the width direction of the vehicle seat and is the direction that coincides with the left-right direction viewed from the occupant seated on the vehicle seat. The “vertical direction” is the vertical direction of the vehicle seat, and is the direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane.

  The shape, position, state, etc. of each part of the seat described below is a case where the vehicle seat is in a seatable state (that is, a state where each part of the seat is disposed at the seatable position) unless otherwise specified. The explanation will be made on the assumption. For example, the “lower surface of the seat cushion” is a surface that is located at the lower end of the seat cushion when the vehicle seat is in a seatable state, and is a surface on which an occupant is seated (sitting surface). It is the opposite surface (back surface).

<< Basic configuration of vehicle seat according to this embodiment >>
A basic configuration of a vehicle seat (hereinafter, vehicle seat S) according to the present embodiment will be described with reference to FIGS. 1 to 3. 1 and 2 are side views of the vehicle seat S, FIG. 1 is a view when in a seatable state, and FIG. 2 is a view when in a tip-up state described later. FIG. 3 is a perspective view showing the seat cushion frame 1 and its peripheral devices.

  The vehicle seat S is used as a rear seat of the vehicle. The vehicle seat S has a seat cushion S1 and a seat back S2 as shown in FIGS. The seat cushion S1 can rotate with respect to the seat back S2 about an axis along the seat width direction.

  Further, as shown in FIG. 1 and the like, the vehicle seat S includes a leg member 10 below the seat cushion S1. The leg member 10 is configured by bending a metal pipe into a substantially U shape, and is attached to the lower portion of the seat cushion S1. As shown in FIG. 1, the leg member 10 supports the seat cushion S1 from below when the vehicle seat S is in a seatable state. At this time, the leg member 10 is held by a leg holding member 20 made of a substantially C-shaped leaf spring fixed to the vehicle body floor.

  The vehicle seat S is normally in the seatable state shown in FIG. 1, but can be shifted to the tip-up state shown in FIG. 2 when not in use. As shown in FIG. 2, the tip-up state is a state reached by flipping up the seat cushion S1 toward the seat back S2 when the seat back S2 is in the standing posture.

  In order to shift the vehicle seat S to the tip-up state, the leg member 10 held by the leg holding member 20 is removed from the leg holding member 20, and the seat cushion S1 is rotated backward so as to approach the seat back S2. become. At this time, the leg member 10 rotates integrally with the seat cushion S1. Further, the leg member 10 is attached to the seat cushion S1 in a state where the leg member 10 can rotate about an axis along the seat width direction. As a result, the leg member 10 can be folded with respect to the seat cushion S1 as shown in FIG. 2 when in the tip-up state.

  Hereinafter, a state in which the leg member 10 is folded with respect to the seat cushion S1 will be referred to as a “storing state”, and a state in which the leg member 10 is standing with respect to the seat cushion S1 will be referred to as “deployment”. It will be called "state". The leg member 10 supports the seat cushion S1 from below when it is in the deployed state when the seat cushion S1 is in a seatable position. On the other hand, when the leg member 10 is in the stored state, the leg member 10 is folded so as to be adjacent to the lower surface of the seat cushion S1.

<< Configuration of seat cushion and leg member >>
Next, the configuration of the seat cushion S1 and the leg member 10 will be described with reference to FIGS. 4 to 6 together with FIGS. FIG. 4 is a view of the seat cushion S1 as viewed from below, strictly speaking, when the leg member 10 is in the retracted state. FIG. 5 is a view showing a cross section taken along the line AA of FIG. 6 is a view showing a state in which a part of the trim cover 30 (specifically, a second cover part 32 and a third cover part 33 described later) are turned from the state shown in FIG.

  The seat cushion S <b> 1 is configured by placing a cushion pad material (not shown) on the seat cushion frame 1 shown in FIG. 3 and covering the surface with a trim cover 30. The trim cover 30 corresponds to a cover member, is constituted by a skin, a cloth, a film, a sheet, and the like, and is provided in a state of being stretched so as to apply a predetermined tension. In the present embodiment, the trim cover 30 is stretched so as to cover the lower surface of the seat cushion S1.

  When the trim cover 30 is stretched, the end portion of the trim cover 30 is hooked at a predetermined position. In this embodiment, as shown in FIG. The other end is hooked. The configuration of the trim cover 30 will be described in detail later.

  As shown in FIG. 4, the leg member 10 includes an extension portion 11 that extends long along the seat width direction, and attachment portions 12 that are disposed on both sides of the extension portion 11. The extension portion 11 is held by the leg holding member 20 when the vehicle seat S can be seated and the leg member 10 is in the expanded state (that is, the inside of the C-shaped leg holding member 20). Part that fits in). In the present embodiment, the extension portion 11 is shorter than the lateral width (length in the seat width direction) of the seat cushion S1.

  The attachment portion 12 is provided to attach the leg member 10 to the seat cushion S1, and a pair of attachment portions 12 are provided at positions separated in the seat width direction. The attachment part 12 on one end side in the sheet width direction is connected to one end part in the sheet width direction of the extension part 11 and is substantially orthogonal to the extension part 11. The attachment portion 12 on the other end side in the sheet width direction is connected to the other end portion in the sheet width direction of the extending portion 11 and extends in an oblique direction with respect to the extending portion 11. And each attachment part 12 is attached to the side edge part (namely, side part frame) of the seat cushion frame 1 via the attachment bracket. More specifically, each attachment portion 12 is attached to a side end portion of the seat cushion frame 1 in a state where it can be rotated around an axis along the seat width direction with respect to the seat cushion frame 1. . That is, the leg member 10 is configured to be able to rotate relative to the seat cushion S1.

  The leg member 10 faces the lower surface of the seat cushion S1 when in the stored state. More specifically, as shown in FIG. 4, each part of the leg member 10 (that is, the extension part 11 and the attachment part 12) comes to be located inside the outer edge of the seat cushion S <b> 1. Further, when the leg member 10 is in the retracted state, the extending portion 11 has a gap V between the lower surface of the seat cushion S1 (strictly speaking, the surface facing the extending portion 11 in the seat cushion frame 1). It is extended in the state where it was done.

  The end portion of the trim cover 30 is passed through the gap V as shown in FIG. In other words, a portion of the trim cover 30 dives in the gap V when the trim cover 30 is stretched so as to cover the lower surface of the seat cushion S1.

<< Detailed configuration of trim cover 30 >>
Next, a detailed configuration of the trim cover 30 will be described with reference to FIGS. 7 to 9 together with FIGS. FIG. 7 is a diagram illustrating a state in which the trim cover 30 is stretched so as to cover the lower surface of the seat cushion S1. FIG. 8 is an enlarged view of the side end portions of the second cover portion 32 and the third cover portion 33 that overlap each other among the side end portions of the trim cover 30.

  FIG. 9 is an enlarged view showing a side end portion of the third cover portion 33 when the second cover portion 32 is rolled up from the state shown in FIG. 9 is not attached to the third cover portion 33 shown in FIG. 9, but the second cover portion 33 and the second engagement portion 43 are shown in FIG. 9, the arrangement position of the second engaging portion 43 is indicated by a broken line.

  In the following description, the “cushion front-rear direction” is a direction from the front end to the rear end of the seat cushion S1, and coincides with the front-rear direction when the vehicle seat S is in a seatable state. When in the up state, it substantially coincides with the vertical direction. Further, in the front-rear direction of the cushion, “front” means that the free end of the seat cushion S1 is located.

  Hereinafter, the configuration of the trim cover 30 will be described on the assumption that the leg member 10 is in the stored state.

  As shown in FIG. 4, the trim cover 30 that covers the lower surface of the seat cushion S1 includes a plurality of portions. Here, the lower surface of the seat cushion S1 is divided into three regions in order to describe the region covered by each part of the trim cover 30 on the lower surface of the seat cushion S1. The first region is a substantially front half region in the front-back direction of the cushion in the lower surface of the seat cushion S1, and is hereinafter referred to as a first region. The second region is a substantially rear half region in the front-back direction of the cushion in the lower surface of the seat cushion S1, and is hereinafter referred to as a second region. The third region is a region located at the side end portion (end portion in the seat width direction) of the lower surface of the seat cushion S1, and is hereinafter referred to as a third region.

  The first region and the second region are regions adjacent to each other in the cushion front-rear direction. The third area is located on both sides of the first area and the second area and is adjacent to these areas in the sheet width direction. Further, when the leg member 10 is in the housed state, each part of the leg member 10 (that is, the extension part 11 and the attachment part 12) faces the second region.

  A portion of the trim cover 30 that covers the first region is the first cover portion 31 illustrated in FIGS. 4 and 6. In order to cover the first region, the first cover portion 31 extends from the seating surface of the seat cushion S1 to the lower surface of the seat cushion S1 at the front end of the seat cushion S1 in the front-rear direction of the cushion.

  A portion of the trim cover 30 that covers the second region is the second cover portion 32 illustrated in FIG. 4. In order to cover the second region, the second cover portion 32 wraps around the lower surface of the seat cushion S1 from the seating surface of the seat cushion S1 at the rear end of the seat cushion S1 in the front-rear direction of the cushion. As shown in FIG. 4, the second cover portion 32 is stretched forward in the cushion front-rear direction, and is connected to the rear end portion of the first cover portion 31.

  Further, as shown in FIG. 7, the second cover portion 32 dives in the gap V between the extending portion 11 of the leg member 10 and the lower surface of the seat cushion S1, as shown in FIG. It has become. A portion of the second cover portion 32 that has entered the gap V is connected to the rear end portion of the first cover portion 31.

  In the present embodiment, the trim cover 30 has a portion that covers the second region in addition to the second cover portion 32, and specifically includes a third cover portion 33 illustrated in FIGS. 5 and 6. The third cover portion 33 is superimposed on the second cover portion 32 at a position closer to the lower surface of the seat cushion S1 than the second cover portion 32 (strictly speaking, the surface facing the trim cover 30 in the seat cushion frame 1). In this state, the second cover portion 32 is sewn. The third cover portion 33 covers the second region together with the second cover portion 32. Further, the third cover portion 33 divides the gap V together with the second cover portion 32 when the second cover portion 32 divides into the gap V.

  As described above, in the second region, the third cover portion 33 is overlapped with the second cover portion 32 on the side closer to the lower surface of the seat cushion S1 than the second cover portion 32. As a result, it is possible to effectively cover the lower surface of the seat cushion S1 to make it difficult to see the inside of the seat, and to prevent foreign matter from entering the seat.

  Cutouts 32a and 33a are formed in the side end portions of the second cover portion 32 and the third cover portion 33, and the attachment portion 12 of the leg member 10 is passed through the cutouts 32a and 33a. As a result, the second cover portion 32 and the third cover portion 33 are in a state where the attachment portion 12 is avoided (in an easy-to-understand manner, the attachment portion 12 penetrates the side end portions of the second cover portion 32 and the third cover portion 33). State).

  A portion of the trim cover 30 that covers the third region is the fourth cover portion 34 illustrated in FIGS. 4 and 6. In order to cover the third region, the fourth cover portion 34 extends from the seating surface of the seat cushion S1 to the lower surface of the seat cushion S1 at the side end (end position in the seat width direction) of the seat cushion S1. The fourth cover portion 34 is stretched inward in the sheet width direction, and the side end portions (end portions on the outer side in the sheet width direction) of the first cover portion 31, the second cover portion 32, and the third cover portion 33. )It is connected to the.

  Hereinafter, the structure which connects each part in the trim cover 30 is demonstrated. In the present embodiment, in order to connect the second cover portion 32 to the first cover portion 31, a trim plate 41 is provided on the first cover portion 31, and an engagement hook 42 is provided on the second cover portion 32. ing.

  The trim plate 41 corresponds to the engaged portion, and is constituted by a long and narrow rectangular plate-shaped member made of resin. As shown in FIG. 6, the trim plate 41 is sewn to the rear end portion of the first cover portion 31 in the front-rear direction of the cushion in a state where the longitudinal direction (extending direction) is along the seat width direction. That is, in the present embodiment, the sheet width direction corresponds to a direction (predetermined direction) in which the trim plate 41 extends.

  Moreover, in this embodiment, the trim plate 41 is comprised by one component, and in other words, it is continuing without dividing | segmenting from the one end to the other end in the longitudinal direction (extension direction). With such a configuration, it becomes easier to sew the trim plate 41 to the first cover portion 31.

  The engagement hook 42 corresponds to an engagement portion, and is configured by a resin hook having a J-shaped cross section. As shown in FIGS. 5 and 7, the engagement hook 42 is sewn to the front end portion of the second cover portion 32 in the cushion front-rear direction. More specifically, as shown in FIG. 5, the engagement hook 42 is connected to the front end portion of the second cover portion 32 in a state where the front end portion of the second cover portion 32 enters the inside of the hook-shaped portion of the engagement hook 42. Is sewn on.

  The engagement hook 42 can be engaged with the trim plate 41. The second cover portion 32 is connected to the first cover portion 31 by the engagement hook 42 engaging with the trim plate 41. Specifically, referring to FIG. 5, the rear end portion of the first cover portion 31 to which the trim plate 41 is sewn is bent in a U shape along the front end portion of the hook-like portion of the engagement hook 42. . Thereafter, the trim plate 41 is placed in the space formed between the front end portion of the second cover portion 32 and the front end portion of the hook-shaped portion that has entered the hook-shaped portion inside the hook-shaped portion of the engagement hook 42. Inserted (inserted). By reaching such a state, the engagement hook 42 engages with the trim plate 41.

  In the state where the engagement hook 42 is engaged with the trim plate 41, the engagement hook 42 extends along the sheet width direction so as to correspond to the trim plate 41.

  Here, the front end portion of the second cover portion 32 to which the engagement hook 42 is sewn is connected to the extension portion 11 of the leg member 10 and the seat when the second cover portion 32 is connected to the first cover portion 31. The gap V between the lower surface of the cushion S1 is dived. In the present embodiment, the engagement hook 42 is divided into a plurality of pieces (specifically, hook pieces 42a) and fragmented so that the front end portion of the second cover portion 32 can easily enter the gap V.

  More specifically, as shown in FIG. 7, the engagement hook 42 is divided into a plurality of hook pieces 42a. In the present embodiment, the engagement hook 42 is constituted by two hook pieces 42a. Each hook piece 42a is equivalent to an engaging part piece, and has the same shape between the hook pieces 42a.

  In the present embodiment, the engagement hook 42 is configured by connecting two hook pieces 42a side by side. The number of hook pieces 42a constituting the engagement hook 42 is not limited to two, and may be three or more.

  The engagement hook 42 engages with the trim plate 41 in a state where the two hook pieces 42a are arranged in a straight line. Further, the hook pieces 42a are separated from each other. For this reason, as shown in FIG. 7, the cut | interruption is formed in the location (parting part) located between the hook pieces 42a in the engagement hook 42. As shown in FIG. Thereby, the engagement hook 42 comes to be bent at the parting portion between the hook pieces 42a. As a result, the gap V can be more easily hidden in the front end portion of the second cover portion 32 to which the engagement hook 42 is sewn. With the above operation, in the present embodiment, the second cover portion 32 can be more easily connected to the first cover portion 31, and the workability of the trim cover 30 can be improved.

  The trim plate 41 and the engagement hook 42 will be described in detail. The lengths (extension amounts) of the hook pieces 42a constituting the engagement hook 42 are uniform. That is, the two hook pieces 42a are formed so that their lengths (extension amounts) are uniform. As a result, when the two hook pieces 42a are sewn to the second cover portion 32, the hook pieces 42a can be easily attached without mistaking the order (arrangement position).

  Further, in the present embodiment, the engagement hook 42 has two hook pieces 42a, and these hook pieces 42a are first engagement piece pieces located at both ends of the engagement hook 42 in the seat width direction, and It corresponds to the second engaging piece. Hereinafter, the hook piece 42a on one end side in the sheet width direction is referred to as a first engagement part piece, and the hook piece 42a on the other end side in the sheet width direction is referred to as a second engagement part piece.

Here, the length of each component will be described. The length (extension amount) of the trim plate 41 is d1, the length of the engagement hook 42 is d2, and the length of the extension portion 11 of the leg member 10 ( When the extension amount is d3, the following relationship is established between the respective lengths.
d1>d2> d3

  The length d2 of the engagement hook is determined from the end of the hook piece 42a that is the first engagement piece (the end away from the hook piece 42a that is the second engagement piece) from the end of the second engagement portion. This is the distance to the end of the hook piece 42a that is the combined piece (the end away from the hook piece 42a that is the first engaging piece).

  As described above, in the present embodiment, the length d1 of the trim plate 41 is longer than the length d2 of the engagement hook 42. As a result, even if the length d2 of the engagement hook 42 varies due to the mounting accuracy of the hook piece 42a, the length of the engagement hook 42 is longer because the trim plate 41 is longer. It becomes possible to absorb the variation in d2. As a result, the engagement hook 42 is appropriately engaged with the trim plate 41 even when the length varies.

  In the present embodiment, the length d2 of the engagement hook 42 is longer than the length d3 of the extending portion 11. As a result, it is possible to ensure a range in which the engagement hook 42 engages with the trim plate 41 in the sheet width direction longer (wider) than the length d3 of the extending portion 11. As a result, the engagement state between the engagement hook 42 and the trim plate 41 is further stabilized, so that the second cover portion 32 is more appropriately connected to the first cover portion 31.

  Next, the notches 32a and 33a formed in the second cover part 32 and the third cover part 33 will be described with reference to FIGS. As shown in FIG. 8, the notch 32a provided in the second cover portion 32 is formed by cutting out the side end of the front end portion of the second cover portion 32 in the cushion front-rear direction in a substantially triangular shape. Further, the notch 32 a in the second cover portion 32 is formed such that its front end is located somewhat rearward of the front end of the second cover portion 32.

  As shown in FIG. 9, the notch 33a provided in the third cover portion 33 is formed by notching the front end portion of the third cover portion 33 in the cushion front-rear direction into a V-shaped slit shape. Further, in the third cover portion 33, the notch 33 a extends relatively long along the cushion front-rear direction, and is formed so as to be located somewhat inside the seat width direction from the side end of the third cover portion 33. Yes.

8 and 9, when the second cover portion 32 and the third cover portion 33 are overlapped with each other, the two notches 32a and 33a are arranged in the sheet width direction (in other words, the leg member 10). In the extending direction of the extending portion 11). More specifically, among the outer edges of the notches 32a provided in the second cover portion 32, the portions located on the inner side in the sheet width direction are the outer edges of the notches 33a provided in the third cover portion 33. , It is shifted from the portion located inside the sheet width direction, and strictly speaking, it is located more inside in the sheet width direction.
Of the outer edges of the notches 32a and 33a, the “portion located on the inner side in the sheet width direction” corresponds to a portion adjacent to the attachment portion 12 of the leg member 10 in the sheet width direction.

  As described above, in the present embodiment, when the second cover portion 32 and the third cover portion 33 are overlaid, the notches 32a and 33a provided in the respective cover portions are at different positions in the sheet width direction. . As described above, the positions of the cutouts 32a and 33a can be reduced as much as possible in the lower surface of the seat cushion S1 so as not to be covered by the formation of the cutouts 32a and 33a.

  Next, the configuration of the second cover portion 32 and the third cover portion 33 will be described in more detail with reference to FIGS. 8 and 9. As shown in FIG. 8, a second engagement portion 43 is provided at a side end portion (corresponding to the end portion) of the second cover portion 32. The second engaging portion 43 is a part provided to connect the second cover portion 32 to the fourth cover portion 34 and engages with a predetermined portion of the fourth cover portion 34. Further, as shown in FIG. 8, the second engagement portion 43 is disposed at a position adjacent to the notch 32 a on the front side of the notch 32 a in the front-rear direction of the cushion in the side end portion of the second cover portion 32. Yes.

  As shown in FIG. 9, a third engagement portion 44 is provided at a side end portion (corresponding to an end portion) of the third cover portion 33. The third engagement portion 44 is a component provided to connect the third cover portion 33 to the fourth cover portion 34, and a predetermined portion (strictly speaking, the second engagement portion 43) of the fourth cover portion 34. And a portion different from the portion to be engaged. Further, as shown in FIG. 9, the third engagement portion 44 is provided in a portion located slightly rearward of the front end of the third cover portion 33 in the front-rear direction of the cushion in the side end portion of the third cover portion 33. It has been.

  8 and 9, when the second cover portion 32 and the third cover portion 33 are overlapped with each other, the second engagement portion 43 and the third engagement portion 44 are the same in the sheet width direction. Located in a straight line in the longitudinal direction of the cushion. At this time, as shown in FIG. 8, the second engagement portion 43 is positioned further forward and the third engagement portion 44 is positioned further rearward. In addition, the second engagement portion 43 is overlapped with the side end portion of the third cover portion 33, strictly speaking, the front end of the third cover portion 33 is more forward than the third engagement portion 44. It is overlaid on the part located at.

  When the side end portions of the second cover portion 32 and the third cover portion 33 configured as described above are connected to the fourth cover portion 34, as shown in FIG. It is arranged at a position that is linearly aligned with the third engagement portion 44 and is superposed on a portion of the side end portion of the third cover portion 33 that is out of the portion where the third engagement portion 44 is provided. become. With such a configuration, since the side end portion of the second cover portion 32 provided with the second engagement portion 43 is overlapped with the side end portion of the third cover portion 33, the inside of the seat is more difficult to see. As a result, the appearance of the sheet can be improved.

DESCRIPTION OF SYMBOLS 1 Seat cushion frame 10 Leg member 11 Extension part 12 Attachment part 20 Leg holding member 30 Trim cover (cover member)
31 1st cover part 32 2nd cover part 32a Notch 33 3rd cover part 33a Notch 34 4th cover part 41 Trim plate (engaged part)
42 Engagement hook (engagement part)
42a Hook piece (engagement piece)
43 Second engagement portion 44 Third engagement portion S Vehicle seat S1 Seat cushion S2 Seat back V Clearance

Claims (7)

A cover member stretched to cover the lower surface of the seat cushion;
A leg member attached to a lower portion of the seat cushion to support the seat cushion;
The leg member includes an extending portion that extends in a state where a gap is provided between the leg member and the lower surface of the seat cushion,
The cover member is
A first cover portion covering a first region in the lower surface of the seat cushion;
A second cover portion that covers the second region adjacent to the first region on the lower surface of the seat cushion and is connected to the first cover portion through the gap;
A third cover portion that is superimposed on the second cover portion at a position closer to the lower surface of the seat cushion than the second cover portion, covers the second region together with the second cover portion, and dives in the gap. Prepared,
Of the second cover part, an engaging part that is engageable with an engaged part provided in the first cover part is provided in a part that goes through the gap,
The vehicle seat according to claim 1, wherein the engagement portion is divided into a plurality of engagement portion pieces. The engaging portion engages with the engaged portion in a state where the plurality of engaging portion pieces are arranged in a straight line,
2. The vehicle seat according to claim 1, wherein each of the plurality of engaging portion pieces is formed to have the same extension amount. The engaged portion extends along a predetermined direction,
The engaging part has a first engaging part piece and a second engaging part piece located at both ends of the engaging part,
More than the distance from the end away from the second engagement piece in the first engagement piece to the end away from the first engagement piece in the second engagement piece The vehicle seat according to claim 1, wherein an extension amount of the engaged portion is long.   4. The device according to claim 1, wherein the engaged portion extends along a predetermined direction and is continuous from one end to the other end in the extending direction of the engaged portion. The vehicle seat according to the item. The engaging part has a first engaging part piece and a second engaging part piece located at both ends of the engaging part,
The distance from the end away from the second engagement piece in the first engagement piece to the end away from the first engagement piece in the second engagement piece is: The vehicle seat according to any one of claims 1 to 4, wherein the vehicle seat is longer than an extension amount of the extension portion. The leg member has an attachment part disposed at a side position of the extension part in order to attach the leg member to the seat cushion,
Each of the second cover part and the third cover part is provided with a notch for passing the attachment part,
Of the outer edge of the notch provided in the second cover part, the part adjacent to the attachment part in the extending direction of the extension part is the outer edge of the notch provided in the third cover part. 6. The vehicle seat according to claim 1, wherein a portion adjacent to the attachment portion in the extending direction is located at a different position in the extending direction. The cover member has a fourth cover portion that covers a third region at a side position of the first region and the second region on the lower surface of the seat cushion;
A second engaging portion is provided at an end of the second cover portion to connect the second cover portion to the fourth cover portion,
A third engagement portion is provided at an end of the third cover portion to connect the third cover portion to the fourth cover portion,
In a state where each of the second cover portion and the third cover portion is connected to the fourth cover portion, the second engagement portion is in a position aligned with the third engagement portion in a straight line, 7. The vehicle according to claim 1, wherein the vehicle is overlapped with a portion of the end portion of the third cover portion that is out of a portion where the third engagement portion is provided. Sheet.

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