JP6116977B2 - Vehicle seat - Google Patents

Description

  The present invention relates to a vehicle seat in which a cloth-like body that transmits a tensile force is attached to a frame side.

  Conventionally, an airbag module-equipped seat is a seat in which an airbag module is attached to a side frame of a seat back frame, and each end of the trim cover and one end of two blanches are sewn together. It has been proposed to form a rupture portion, wrap an airbag module with two blanches drawn from the rupture portion to the inside of the trim cover, and enclose the entire seat back including the airbag module with the trim cover. (For example, Patent Document 1).

In Patent Document 1, two listing wires are provided on the side frame opposite to the airbag module so as to be intertwined in a wisdom ring shape. The ends of the two blanches pulled into the airbag module from the broken portion are extended to the two listing wires so as to wrap the airbag module, and are attached to each of the listing wires.
According to the invention of Patent Document 1, the airbag module can be directly wrapped with a bundling, and each bundling can be securely fastened with a listing wire provided at the end, so that the inflation pressure of the airbag is trimmed with the bundling. It is possible to concentrate efficiently on the seam that becomes the broken portion of the cover, and high deployment performance of the airbag can be achieved.
However, in the invention of Patent Document 1, since the listing wire is provided so as to be entangled with the ring of wisdom, the structure of the listing wire is complicated and the mounting process is complicated. There has been a demand for a simple structure in the assembly structure of the force cloth and the mounting member.

In view of this, the present inventors, in Japanese Patent Application No. 2011-260623, are attachment members for attaching a webbing to the airbag module side, and are provided with a groove portion that extends along the vertical direction at the time of installation and attaches the webbing to the inside. I proposed something.
The attachment member includes a connecting portion for attaching the attachment member itself to the airbag module side, and a groove portion that holds an end portion of the baffle inside and extends along a vertical direction at the time of attachment. It has a simple structure that can be assembled simply by sliding it.

Japanese Patent No. 4543270

However, since the attachment member proposed in Japanese Patent Application No. 2011-260623 holds the end portion of the baffle in the groove extending along the vertical direction of the attachment member, there is a possibility that the baffle moves in the holding space. .
The present invention has been made in view of the above-described problems, and an object of the present invention is to restrict a movement of an end portion of a webbing attached to the mounting member within the webbing mounting portion in the mounting member. It is to provide a sheet for use.

According to the vehicle seat of claim 1, the subject is a vehicle seat including a frame, a cloth-like body that transmits a tensile force, and an attachment member that connects the cloth-like body to the frame. The attachment member includes a groove-like holding portion that engages with an end portion side in the extending direction of the cloth-like body and detachably holds the end portion side, and the frame includes the attachment member. A mounting hole through which the holding portion is inserted, the holding portion being a thickness direction regulating portion for regulating a position in the thickness direction on the end side in the extending direction of the cloth-like body, and an end side of the cloth-like body And a width direction restricting portion that restricts the position in the width direction perpendicular to the thickness direction.
Since it comprises in this way, the position regulation of the up-and-down and right-and-left on the cloth-like body edge part side is attained.
Further, when the attachment member is assembled to the frame, the engagement state of the attachment member of the cloth-like body becomes strong, and the holding force of the end portion of the cloth-like body by the attachment member can be improved.

In this case, as in claim 2, of the front Kiatsumi direction restricting portion and the width direction regulating portion, at least one, in a state in which the mounting member is inserted into the mounting hole, from the inner wall of the mounting hole It is preferable to bend in a direction in which the engagement state with the holding portion on the end portion side in the extending direction of the cloth-like body is further strengthened by the pressing force.
Since it comprises in this way, when an attachment member is assembled | attached to a flame | frame, the engagement state of the attachment member of a cloth-like body becomes strong, and the retention strength of the edge part of the cloth-like body by an attachment member can be improved.

At this time, as in claim 3, at least one of the thickness direction restricting portion and the width direction restricting portion is inserted in the attachment hole into the thickness direction or the width direction. It is preferable to regulate the end side in the extending direction of the cloth-like body.
Since it is configured in this manner, until the mounting member is inserted into the mounting hole of the frame, the upper and lower and left and right restrictions on the cloth body end side are not restricted or weakened. It is possible to easily assemble the cloth-like body to the attachment member until it is inserted into the attachment member.

At this time, as in claim 4, one of the thickness direction restricting portion and the width direction restricting portion is opposed to the fixed wall by a hinge and a hinge, and the end in the extending direction of the cloth-like body. A hinge wall that is displaced between a regulation state that regulates a part side and a non-regulation state that does not regulate the end part side, and the other of the thickness direction regulation part and the width direction regulation part is the fixed wall Or a lid provided at an end of the hinge wall, bridges the fixed wall and the end of the hinge wall in the restricted state, and closes an end of a space between the fixed wall and the hinge wall. When the hinge wall is displaced to the restricted state and the lid portion closes the end of the space, the position on the end side in the extending direction of the cloth-like body is preferably restricted. It is.
Since it is configured in this manner, the end side of the cloth-like body is assembled to the attachment member in a non-restricted state until the attachment member is inserted into the attachment hole of the frame, and then the attachment member is inserted into the attachment hole of the frame. Thus, the mounting member in the restricted state can be achieved with a simple configuration.

At this time, as claimed in claim 5, wherein the hand of the thickness direction regulating portion and the width direction regulating portion, said at non-regulated state, the space between the fixed wall and the hinge walls from the outside It is preferable to provide an opening that can be visually recognized and closed in the restricted state.
Since it is configured in this manner, the end of the cloth-like body that is held in the space between the fixed wall and the hinge wall in the non-restricted state before the mounting member is inserted into the mounting hole of the frame through the opening. The assembled state can be easily confirmed, and in the restricted state, the opening is closed, so that the rigidity of the mounting member is not affected.

At this time, as in claim 6, in a state where the attachment member is inserted through the attachment hole, it is preferable that the lid portion is sandwiched between the attachment hole, the fixed wall, and the hinge wall. is there.
Since it comprises in this way, the support rigidity of a cover part is improved.

In this case, as in claim 7, between the fixed wall and the hinge walls, the spaced position and the mounting hole, preferably when the confirmation window that allows viewing the space from the outside Ru provided is there.
Since it comprises in this way, the assembly | attachment state by the side of the edge part of a cloth-like body can be confirmed easily after inserting an attachment member in the attachment hole of a flame | frame.

At this time, as in claim 8, it is preferable that the lid portion includes a positioning portion that positions a mutual position of the hinge wall and the lid portion in the restricted state.
Since it comprises in this way, the position shift of a cover part is suppressed and it can suppress that the position control force by a cover part falls.

At this time, as in claim 9, the hinge wall is provided with a fixed end fixed to the fixed wall and a free end that is provided on the opposite side of the fixed end and is movable with respect to the fixed wall. It is preferable that a concave portion is formed in the surface of the fixed end portion facing the fixed wall along the extending direction of the fixed end portion.
Since it comprises in this way, the fixed end part plays the role of a hinge by the recessed part of a fixed end part, and the smooth movement between the control state of a hinge wall and a controlled state is attained.

At this time, as in claim 10, the attachment member includes a claw portion that engages with an edge portion of the attachment hole on an outer surface, and the claw portion is a center in the width direction of the attachment member. It is preferable that the hinge wall is provided at a position separated from the fixed end portion.
Since it comprises in this way, the support force to the attachment hole of the flame | frame of an attachment member improves.

At this time, as in the eleventh aspect, in the restricted state, the inner surface of the hinge wall on the space side is preferably in contact with the wide surface of the cloth-like body.
Since it comprises in this way, the position control force of the cloth-like body by a hinge wall improves.

At this time, as described in claim 12, the mounting member stands at an angle with respect to the fixed wall or the hinge wall from the opposite ends of the fixed wall and the hinge wall to the fixed end. It is preferable that the hooking portion is provided, the hooking portion is in contact with one surface of the frame, and the hooking portion is provided with a guide portion along an extending direction of the cloth-like body drawn out from the space. is there.
Thus, since the attachment member includes the catch portion, the attachment member can be locked in the attachment hole of the frame with a simple configuration. In addition, since the guide portion is provided, the cloth body can be guided and regulated in an appropriate direction with a simple configuration.

At this time, as in a thirteenth aspect of the present invention, the frame includes a fragile portion that becomes a starting point of buckling at the time of rearward collision of the vehicle, and the mounting hole extends along a direction in which the fragile portion guides the buckling. And preferably provided at a position interlocked with the buckling.
With this configuration, when the frame buckles starting from the fragile portion, the mounting hole is interlocked with the buckling without hindering deformation by the fragile portion, and the rear impact impact mitigation performance is improved. .

According to the first aspect of the present invention, it is possible to regulate the vertical and horizontal positions on the cloth body end side.
Further, when the attachment member is assembled to the frame, the engagement state of the attachment member of the cloth-like body becomes strong, and the holding force of the end portion of the cloth-like body by the attachment member can be improved.
According to the invention of claim 2, when the attachment member is assembled to the frame, the engagement state of the attachment member of the cloth-like body becomes strong, and the holding force of the end portion of the cloth-like body by the attachment member can be improved.
According to the invention of claim 3, until the mounting member is inserted into the mounting hole of the frame, the upper and lower and left and right restrictions on the cloth body end side are not restricted or weakened. It is possible to easily assemble the cloth-like body to the attachment member until it is inserted into the attachment member.

According to the invention of claim 4, the end side of the cloth-like body is assembled to the attachment member in a non-restricted state until the attachment member is inserted into the attachment hole of the frame, and then the attachment member is inserted into the attachment hole of the frame. Thus, the mounting member in the restricted state can be achieved with a simple configuration.
According to the invention of claim 5, through the opening, in the non-restricted state before the attachment member is inserted into the attachment hole of the frame, the end of the cloth-like body to be held in the space between the fixed wall and the hinge wall. The assembled state can be easily confirmed, and in the restricted state, the opening is closed, so that the rigidity of the mounting member is not affected.

According to the invention of claim 6, the support rigidity of the lid is improved.
According to the seventh aspect of the present invention, the assembled state on the end side of the cloth-like body can be easily confirmed even after the attachment member is inserted into the attachment hole of the frame.
According to the eighth aspect of the present invention, it is possible to suppress the displacement of the lid portion and to suppress the position regulating force by the lid portion from being reduced.

According to the ninth aspect of the present invention, the recessed portion of the fixed end portion allows the fixed end portion to serve as a hinge, and enables smooth movement between the restricted state and the restricted state of the hinge wall.
According to the invention of claim 10, the supporting force of the mounting member to the mounting hole of the frame is improved.
According to the invention of claim 11, the position regulating force of the cloth-like body by the hinge wall is improved.

According to the twelfth aspect of the present invention, since the attachment member includes the catch portion, the attachment member can be locked in the attachment hole of the frame with a simple configuration. In addition, since the guide portion is provided, the cloth body can be guided and regulated in an appropriate direction with a simple configuration.
According to the invention of claim 13, when the frame buckles starting from the weakened portion, the mounting hole is disposed at a position for guiding the buckling. Improves impact impact mitigation performance.

1 is an external view of a vehicle seat according to an embodiment of the present invention. It is a perspective view of a seat frame of a vehicular seat concerning one embodiment of the present invention. It is AA sectional drawing of FIG. 1, Comprising: It is explanatory drawing which shows the state which connected the bedding to the side frame via the attachment member which concerns on one Embodiment of this invention. It is explanatory drawing which shows the state which sewed together the trim cover and power cloth which concern on one Embodiment of this invention in the fracture | rupture part. It is a perspective view which shows the expansion | deployment state of the attachment member which concerns on one Embodiment of this invention. It is the perspective view which shows the unfolded state of the attachment member which concerns on one Embodiment of this invention, Comprising: It is the figure seen from the different angle. It is a perspective view which shows the bending state of the attachment member which concerns on one Embodiment of this invention. It is a section explanatory view showing the state where a blanket was connected to a side frame via an attachment member concerning one embodiment of the present invention. It is a perspective view showing the state where the attachment member concerning one embodiment of the present invention was connected with the side frame.

Hereinafter, a vehicle seat according to an embodiment of the present invention will be described with reference to FIGS.
In addition, although this embodiment demonstrates the example which connects the power cloth 32 as a cloth-like body via the attachment member 50 to the side frame 10 as a frame, it is not limited to this, The vehicle seat S Any structure may be used as long as the cloth-like body is connected to the frame provided in the frame via the attachment member 50.
In the present embodiment, as the cloth-like body, a force cloth 32 that is a guide member that guides the deployment direction of the airbag will be described as an example, but the cloth-like body is not limited thereto.

  FIG. 1 is an external view of a vehicle seat according to an embodiment of the present invention. FIG. 2 is a perspective view of a seat frame of a vehicle seat according to an embodiment of the present invention. FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1, and is an explanatory diagram illustrating a state in which a webbing is connected to a side frame via an attachment member according to an embodiment of the present invention. FIG. 4 is an explanatory view showing a state in which the trim cover and the bundling according to the embodiment of the present invention are stitched together at the break portion. FIG. 5 is a perspective view showing a developed state of the attachment member according to the embodiment of the present invention. FIG. 6 is a perspective view showing a developed state of the mounting member according to the embodiment of the present invention, as seen from a different angle. FIG. 7 is a perspective view showing a bent state of the attachment member according to the embodiment of the present invention. FIG. 8 is an explanatory cross-sectional view showing a state in which a webbing is connected to a side frame via an attachment member according to an embodiment of the present invention. FIG. 9 is an explanatory perspective view showing a state in which the attachment member according to the embodiment of the present invention is connected to the side frame.

As shown in FIG. 1, the vehicle seat S according to the present embodiment includes a seat back S1, a seating portion S2, and a headrest S3.
In the vehicle seat S, a seat frame F as shown in FIG. 2 is provided. The seat frame F includes a seat back frame 1 that is a frame of the seat back S1 and a seating frame 2 that is a frame of the seating portion S2. The seating frame 2 and the seat back frame 1 are connected via a reclining mechanism 3. A cushion and a trim cover are provided outside the seat back frame 1 and the seating frame 2 to constitute a seat back S1 and a seating portion S2.

As shown in FIGS. 1 to 3, the seat back S1 includes a seat cover frame 1, a cushion pad 5 placed on the seat back frame 1, and a trim cover that covers the seat back frame 1 and the cushion pads 5 and 5a. 4 and a webbing 32, one end of which is sewn to the breaking portion 40 of the trim cover 4, is used as a main component.
As shown in FIGS. 1 and 2, the seat back frame 1 includes a side frame 10 that is spaced apart from the left and right and extends in the vertical direction, an upper frame 21 that connects the upper ends of the side frames 10, and a lower end. It is comprised by frame shape by the lower frame 22 which connects a part.
The upper frame 21 is provided with a pillar support portion 23, and the pillar support portion 23 is provided with a headrest frame (not shown). The headrest S3 is configured by providing a cushion member on the outside of the headrest frame.

The side frame 10 is formed by pressing a sheet metal, and is formed of a substantially plate body that is curved so that the lower width is wider than the upper one. As shown in FIG. 3, the substantially flat side plate 11, the front edge portion 12 formed by folding the front end portion of the side plate 11 inward in a U shape, and the rear end portion bent inward in an L shape. And a rear edge portion 13.
The side frame 10 is attached with a locking portion 15 having a locking hole for locking both ends of the erection member 25 as a pair of occupant support members made of S springs that support the occupant from the rear, and an attachment member 50. A pair of mounting holes 16 are provided.
The attachment hole 16 is provided as a vertically long rectangular hole along the inclination of the front edge 12 at a portion near the front edge 12 of the side plate 11.

The side frame is provided with the mounting hole 16 of the mounting member 50 at a position different from the shaft portion of the bolt 18 to which the airbag module 6 is attached, and it is not necessary to support the force cloth 32 with the shaft portion of the bolt 18. It is not necessary to make a hole directly in the cloth 32 itself. Therefore, the durability of the connecting portion between the force cloth 32 and the side frame 10 can be improved. Further, since the attachment of the airbag module 6 to the side frame 10 and the connection of the force cloth 32 to the side frame 10 are performed at different positions, the attachment structure can be simplified and the side frame 10 of the force cloth 32 can be simplified. Due to the connection structure, the attachment to the airbag module 6 is not affected.
In the present embodiment, the attachment holes 16 for attaching the inner side bundling 32 are provided only at a position close to the front edge portion 12 of the side frame 10. When both the cloths 31 are attached to the side frame 10 using the attachment members 50, it is preferable to provide attachment holes 16 for attaching the outer-side force cloth 31 also at positions close to the rear edge portion 13.

A pair of attachment holes 16 are provided near the upper end and the lower end of the side plate 11 and are formed above and below the locking portion 15 so as to sandwich the locking portion 15 of the erection member 25. Thus, the mounting hole 16 is not aligned with the locking portion 15 in the horizontal direction, but is formed at a different position in the vertical direction. By configuring in this way, it is possible to improve the workability of attachment of the erection member 25 and the attachment member 50, and it is possible to suppress the rigidity of the side frame 10 from being lowered at the attachment location of the erection member 25 or the attachment member 50.
The narrow front and rear narrow portions of the side frames 10 have lower rigidity than the wide front and rear wide portions below the side frames 10, but the upper mounting holes 16 are formed at the narrow front and rear narrow portions of the side frames 10. Among these, since it arrange | positions near the upper frame 21, rigidity can be supplemented.

As shown in FIG. 2, a fragile portion 17 is formed at the same height as the mounting hole 16 of the side frame 10 and at a position behind the mounting hole 16.
The weak part 17 is formed in the left and right side frames 10 so as to be symmetrical.
The fragile portion 17 protrudes at the same height as the bead 17a provided on the side plate 11, the bead 17a, the bent portion 17b formed on the rear edge portion 13, the rear end of the bead 17a, and the outer side of the curved portion 17b. And a hole portion 17c formed between the end portions.
The bead 17a is curved so that the center in the vertical direction of the sheet projects toward the outside of the side of the sheet, and extends substantially horizontally from the center rear side of the side plate 11 to the vicinity of the rear end.

The curved portion 17b is formed such that a portion having the same height as the bead 17a of the rear edge portion 13 is curved so that the center in the vertical direction of the seat projects toward the front of the seat. It is formed so that the inner end side in the sheet width direction is located slightly upward from the inner part to the inner end. The width of the curved portion 17b in the vertical direction of the seat and the height of the side frame 10 in the thickness direction are formed larger than the bead 17a.
A hole 17c is formed in a corner portion on the rear outer side of the side frame 10 between the bead 17a and the curved portion 17b where the side plate 11 and the rear edge portion 13 intersect.
By weak portion 17 is formed in this manner, the rear-end collision or the like, first, guided by the bead 17a and the hole 17 c projecting toward the outer sheet lateral side plate 11 along the bead 17a And start to open outward. Next, the side plate 11 is opened to the outside, and the rear edge 13 is buckled along the curved portion 17b so that the portion above the rear edge 13 of the curved portion 17b is directed rearward.

Thus, by providing the fragile portion 17, it is possible to suppress the side frame 10 from being complicatedly deformed due to a complicated input load such as bending, compression, and elongation at the time of a rear collision and the like, and stable. A deformation mode can be realized.
As shown in FIG. 2, the attachment hole 16 is the same height as the fragile portion 17 and is formed in front of the seat of the side plate 11 with respect to the fragile portion 17.

With this configuration, the mounting hole 16 is provided along the deformation direction of the bead 17a that is deformed first in the event of a rear collision, so that the deformation of the bead 17a is not hindered and the mounting hole is buckled. Interlocking will improve the rear impact impact mitigation performance.
Further, since the mounting hole 16 is provided on the back side of the fragile portion 17 which is a starting point of buckling and is provided at a position where the amount of deformation at the time of buckling is small, the mounting hole 16 is hardly affected by the stress at the time of buckling. As a result, since stress at the time of rear collision concentrates on the fragile portion 17, it is possible to suppress the influence of the load due to rear collision on the attachment portion of the attachment member 50 to the attachment hole 16 at the time of rear collision.
As shown in FIG. 3, the airbag module 6 is fixed to the side frame 10 on the outer surface of the seat.

The airbag module 6 of the present embodiment is a caseless airbag module that does not have a module case. As shown in FIG. 3, the airbag module 6 includes an inflator 6a, a folded airbag 6b, a retainer 6c that holds the inflator 6a, and a wrap material 6d that wraps the airbag 6b.
The outer peripheral portion of the inflator 6a is fixed to the retainer 6c and the side frame 10 by bolts 18 erected toward the inside of the seat S. The inflator 6a may be fixed to the side frame 10 by an inflator mounting member other than a bolt.

The inflator 6a is disposed in the airbag 6b, and the airbag 6b is deployed in front of the seat S by the gas ejected from the inflator 6a.
The airbag 6b is held in a folded state by a wrap material 6d made of a cloth bag or the like, and the wrap material 6d can be easily broken when the airbag 6b is deployed.
In the present embodiment, the airbag module 6 is configured from a caseless one, but is not limited to this and may be configured as a module case.
As shown in FIG. 3, an opening 8 for storing the airbag module 6 is formed in the cushion pad 5, and a space 7 is formed by the opening 8.

The trim cover 4 is made of a known material. As shown in FIGS. 3 and 4, the trim cover 4 includes a front gusset portion 41 that encloses the left and right bank surfaces from the center of the seat surface and a side gusset portion 42 that extends from the peripheral side surface to the back surface. Further, the rear gusset portion (not shown) is sewn to the end portion of the side gusset portion 42 on the opposite side of the front gusset portion 41 so as to be sewn into a bag shape.
A broken portion 40 is formed at the apex bulged at the bank portion of the front gusset portion 41 and the side gusset portion 42. The breaking portion 40 is sewn to each other so that the ends of the front gusset portion 41 and the side gusset portion 42 can be torn by the tensile force due to the inflation of the airbag while maintaining the strength that can withstand normal usability. Yes.

As shown in FIG. 4, force cloths 31 and 32 are sewn together at the break portion 40.
The force cloths 31 and 32 are made of a cloth-like material having small stretchability, and transmit the stress due to the expansion of the airbag 6b to the breaking portion 40, and play a role of guiding the deployment direction of the airbag 6b.

As shown in FIG. 4, the force cloth 32 is made of a substantially rectangular cloth. A side 35 opposite to the breaking portion 40 is provided with a mounting portion 36 for mounting a trim plate 37 protruding in a rectangular shape at each end. An end portion of the attachment portion 36 to which the trim plate 37 is attached corresponds to an end portion in the extending direction of the cloth-like body in the claims.
The trim plate 37 is a rectangular plate made of hard resin. The trim plate 37 is used to maintain the shape of the end of the attachment portion 36 of the webbing 32. Since the trim plate 37 is fixed to the end of the webbing 32, workability when the terminal of the webbing 32 is inserted into the space 51s of the holding portion 51 is improved. In the present embodiment, the trim plate 37 is fixed to the attachment portion 36 of the force cloth 32, but the present invention is not limited to this, and the end of the attachment portion 36 of the force cloth 32 is not limited to this. A space 51s of the holding portion 51 of the mounting member 50 is formed by sewing a plurality of folds, sewed by wrapping a plurality of folds, or crushed in a single direction by wrapping and sewing a plurality of wraps. May be inserted.

As shown in FIG. 3, the force cloth 32 is drawn into the space 7 from the breaking portion 40. The trim plate 37 fixed to the attachment portion 36 of the force cloth 32 is engaged with the attachment hole 16 of the side frame 10 via the attachment member 50.
Further, as shown in FIG. 3, a locking hook 33 is fixed to the other end of the webbing 31 by sewing. The force cloth 31 is drawn into the space between the cushion pad 5 a disposed behind the airbag module 6 and the airbag module 6, and the locking hook 33 is locked to the rear edge 13 of the side frame 10. Yes.
In addition, when the attachment member 50 is used also for attachment of the outer side webbing 31, the trim plate 37 is also fixed to the end part of the webbing 31 by sewing. An attachment hole 16 is provided near the rear edge portion 13 of the side frame 10, and the force cloth 31 is attached to the attachment hole 16 via the attachment member 50 in the same manner as the inner-side force cloth 32.
The configuration for attaching the webbing 31 to the side frame 10 via the mounting member 50 is the same as the configuration for mounting the webbing 32 except that the webbing 31 is reversely attached in the front-rear direction of the seat.

The attachment member 50 is integrally molded from a hard resin, is formed in an unfolded state as shown in FIGS. 5 and 6, and is bent when the side frame 10 is attached to a bent state shown in FIG. 7. The unfolded state corresponds to the unregulated state of the claims, and the bent state corresponds to the regulated state of the claims.
In the bent state of FIG. 7, the attachment member 50 includes a holding portion 51 made of a substantially hollow rectangular parallelepiped, and a substantially plate-like flange portion 52 projecting outward from each of the two sides of one side of the holding portion 51. , 53.
The holding portion 51 is formed of a substantially hollow rectangular parallelepiped that holds the end portion of the power cloth 32 to which the trim plate 37 is fixed in the bent state when the power cloth 32 is assembled. A fixed wall 54 with which the wide side surface abuts, a movable wall 55 as a hinge wall parallel to the fixed wall 54 when assembled, and a ceiling wall 56 that connects the fixed wall 54 and the movable wall 55 at one end. The lids 57 and 58 that close both ends of the groove-shaped space 51s surrounded by the fixed wall 54, the ceiling wall 56, and the movable wall 55 when assembled are the main components.

The fixed wall 54 is formed of a substantially rectangular plate-like body, and one of the long sides is continuous with a rectangular plate-shaped flange portion 52 that rises vertically from the fixed wall 54 in an L shape, and the other is from the fixed wall 54. It is continuous with a rectangular plate-like top wall 56 that rises vertically in the L-shape on the opposite side of the flange portion 52.
As shown in FIG. 8, the outer surface of the fixed wall 54 opposite to the space 51 s is connected to the flange portion 52 at a position where the thickness of the side plate 11 is separated from the end portion continuous to the flange portion 52 on the outer surface of the fixed wall 54. Claw portions 54p that sandwich the side plate 11 therebetween are provided. The claw portion 54p is provided in the center in the width direction of the fixed wall 54 and spaced from both ends in the width direction of the fixed wall 54.

The side of the top wall 56 on the opposite side of the fixed wall 54 is continuous with the movable wall 55 via a thin hinge 59.
The hinge part 59 is formed thin by forming a gentle recess 59g on the inner surface on the space 51s side. Since the top wall 56 and the movable wall 55 have substantially the same thickness and the hinge portion 59 is thin, the movable wall passes from the top wall 56 through the hinge portion 59 in the unfolded state shown in FIGS. The portion up to 55 constitutes a substantially flat surface. However, in the folded state shown in FIG. 7 at the time of assembly, the top wall 56 and the movable wall 55 are folded at the hinge portion 59 between them, and are substantially mutually. A vertical L-shaped cross section is formed.

The movable wall 55 is formed of a substantially rectangular plate-like body, and one of the long sides (the fixed end portion of the movable wall 55) is continuous with the hinge portion 59, and the other (the free end portion of the movable wall 55) is the movable wall. A rectangular plate-shaped flange portion 53 that rises vertically from L to 55 in a L-shape.
The movable wall 55 is provided with concave grooves 55g on the side surfaces of the two sides other than the side continuous with the top wall 56 and the flange portion 53 among the four sides.
As shown in FIG. 8, the outer surface of the movable wall 55 opposite to the space 51 s is connected to the flange portion 53 at a position where the thickness of the side plate 11 is separated from the end portion continuous to the flange portion 53 on the outer surface of the movable wall 55. Claw portions 55p that sandwich the side plate 11 therebetween are provided. The claw portion 55p is provided in the center of the movable wall 55 in the width direction and spaced from both ends of the movable wall 55 in the width direction.
On the inner surface of the movable wall 55 on the space 51s side, a partition wall 60 that divides the space 51s is integrally formed at the end on the opposite side of the hinge portion 59.
As shown in FIG. 8, the partition wall 60 includes a connecting portion 60 a erected vertically from the inner surface of the movable wall 55, and the opposite side of the movable portion 55 of the connecting portion 60 a is curved toward the top wall 56. It is formed from the partition wall part 60b which became parallel with respect to.

Of the four sides of the fixed wall 54, two sides where the top wall 56 and the flange portion 52 are not provided are perpendicular to the fixed wall 54 and the top wall 56, and are plate-like lid portions 57 that stand on the same side as the top wall 56. , 58.
The lids 57 and 58 have one side continuous to the fixed wall 54, and among the sides adjacent to the side continuous to the fixed wall 54, the top sides 57 a and 58 a closer to the top wall 56 are separated from the top wall 56 by a predetermined distance. It is arrange | positioned so that it may become parallel to the top wall 56 in the position. Therefore, a slit-like confirmation window 56g is formed between the top sides 57a, 58a and the top wall 56, and the inside of the space 51s can be visually recognized from the outside of the mounting member 50 through the confirmation window 56g.

As shown in FIG. 5, protrusions 57 b extending in a direction perpendicular to the top wall 56 and parallel to the fixed wall 54 are formed on the inner surfaces of the ends of the lid portions 57 and 58 facing the side continuous with the fixed wall 54. 58b is formed. The projections 57 b and 58 b can be positioned with respect to the fixed wall 54 by being locked in a pair of concave grooves 55 g provided in the movable wall 55 in the bent state.
Further, when the mounting member 50 is assembled to the side plate 11 as shown in FIGS. 8 and 9, the protrusions 57b and 58b are fitted deeper into the concave groove 55g, and the locked state is further strengthened.
As shown in FIGS. 5 to 7, the bottom sides 57 c and 58 c of the lid portions 57 and 58 that oppose the top sides 57 a and 58 a are cut out into rectangular shapes at the ends on the fixed wall 54 side and the fixed wall 54 opposite side. The workability when the attachment member 50 is bent into the bent state by being bent at the portion 59 is improved.
The fixed wall 54 and the movable wall 55 correspond to the thickness direction restricting portion in the claims, and the lid portions 57 and 58 correspond to the width direction restricting portion in the claims. In the present embodiment, when the mounting member 50 is assembled, the fixed wall 54 and the movable wall 55 extend in a substantially vertical direction, and the lid portion extends in a substantially horizontal direction. The position of the end side of the webbing 32 is regulated in the substantially horizontal direction or the left-right direction, and the lid parts 57 and 58 regulate the position in the vertical direction of the side of the webbing 32.

The flange portions 52 and 53 as the hook portions are substantially rectangular plate-like bodies, and are vertically erected from the opposite ends of the fixed wall 54 and the movable wall 55 on the top wall 56 side. The flange 53 on the side of the movable wall 55 on which the webbing 32 with the end held in the space 51 s is pulled out, that is, the two sides adjacent to the side continuous to the movable wall 55, respectively. Guide walls 53 a and 53 b erected along the extending direction of the two sides are formed over the entire length of the flange portion 53 in the extending direction.
The height of the guide walls 53a and 53b is the same as the thickness of the flange portion 52, and the thickness of the flange portion main body 53c in the region sandwiched between the guide walls 53a and 53b is greater than the height of the guide walls 53a and 53b. However, the thickness is reduced by at least the thickness of one power cloth.

Of the mounting member 50, the flange portion 52, the fixed wall 54, the top wall 56, the movable wall 55, and the flange portion main body 53c have the same width as shown in FIGS. 5 and 6, and cover portions 5 7 and 5 8. , Guide walls 53a and 53b project in the width direction.
Further, the flange portion 52 and the flange portion main body 53c are formed thinner than other portions.
The mounting member 50 is fixed between the flange portion 52 and the fixed wall 54, between the fixed wall 54 and the top wall 56, and between the movable wall 55 and the flange portion so that the mutual angles are perpendicular to each other. Since the space between the top wall 56 and the movable wall 55 is movable between substantially horizontal and substantially vertical by the hinge portion 59, it can be changed between the unfolded state of FIGS. 5 and 6 and the folded state of FIG. ing.

A procedure for attaching the end portion of the webbing 32 using the attachment member 50 to the side frame 10 will be described.
First, the end of the attachment portion 36 of the webbing 32 to which the trim plate 37 is sewn is engaged with the attachment member 50.
The attachment of the force cloth 32 to the attachment member 50 is performed according to the following procedure. In the unfolded state shown in FIGS. 5 and 6, the side end 60 c of the groove between the movable wall 55 and the partition wall 60 is exposed from the lid portions 57 and 58. The trim plate 37 with the webbing 32 sewn is inserted from the side end 60c into the groove between the exposed movable wall 55 and the partition wall 60 of the mounting member 50, and the trim plate 37 is slid, The entire trim plate 37 is pushed into the groove between the movable wall 55 and the partition wall 60. The side end 60c of the groove corresponds to the opening of the claims.

Next, a portion of the force cloth 32 adjacent to the trim plate 37 is interposed between the partition wall portion 60 b and the fixed wall 54 through the end portion of the partition wall portion 60 b from the groove between the movable wall 55 and the partition wall 60. Pull out to the area.
Next, the hinge portion 59 is bent so that the angle between the movable wall 55 and the top wall 56 is substantially vertical, and the protrusions 57b and 58b are respectively engaged with the pair of concave grooves 55g. At this time, the attachment member 50 is in a bent state shown in FIG.
Next, the mounting member 50 is inserted into the mounting hole 16 from the outside of the seat of the side frame 10, and as shown in FIGS. 8 and 9, the front and rear edges of the mounting hole 16 of the side plate 11, respectively, The attachment member 50 is pushed in until it is sandwiched between the flange portion 53 and the claw portion 55p and between the flange portion 53 and the claw portion 54p.

At this time, as shown in FIG. 9, the lid portions 57 and 58 receive a pressing force by the edge of the mounting hole 16, and the engagement between the projections 57b and 58b and the concave groove 55g becomes stronger. The movable wall 55 receives a pressing force by the edge of the mounting hole 16 from the outer surface, and receives a pressing force by the trim plate 37 and the baffle 32 from the inner surface, and the engagement between the concave groove 55g and the protrusions 57b and 58b. When the joint becomes stronger, the attachment member 50 is stably maintained in the bent state.
The airbag module 6 is assembled from the outside of the seat. At this time, the retainer 6 c is fixed by the bolt 18 so as to press at least a part of the flange portion 52.
Thereafter, the cushion pad 5a is disposed outside the airbag module 6, and the cushion cover 5a is covered with the trim cover 4 to complete.

  In the present embodiment, the thickness direction of the end portion of the webbing 32 is regulated by the fixed wall 54 and the movable wall 55, and the width direction of the end portion of the webbing 32 is regulated by the lid portions 57 and 58. However, conversely, the thickness direction of the end portion of the webbing 32 may be regulated by the lid portion, and the width direction of the end portion of the webbing 32 may be regulated by the fixed wall and the movable wall.

DESCRIPTION OF SYMBOLS S Vehicle seat S1 Seat back S2 Seating part S3 Headrest F Seat frame 1 Seat back frame 2 Seating frame 3 Reclining mechanism 4 Trim cover 5, 5a Cushion pad 6 Air bag module 6a Inflator 6b Air bag 6c Retainer 6d Wrap material 7 Space 8 Opening 10 Side frame 11 Side plate 12 Front edge portion 13 Rear edge portion 15 Locking portion 16 Mounting hole 17 Fragile portion 17a Bead 17b Curved portion 17c Hole portion 18 Bolt 21 Upper frame 22 Lower frame 23 Pillar support portion 25 Installation members 31 and 32 Force cloth 33 Locking hook 35 Side 36 Mounting portion 37 Trim plate 40 Breaking portion 41 Front gusset portion 42 Side gusset portion 50 Mounting member 51 Holding portion 51s Space 52, 53 Flange portion 53a, 53b Guide wall 53c Flange portion main body 54 Wall 54p, 55p Claw 55 Movable wall 55g Groove 56 Top wall 56g Confirmation window 57, 58 Lid 57b, 58b Protrusion 57a, 58a Top 57c, 58c Bottom 59 Hinge 59g Recess 60 Partition wall 60a Connection portion 60b Partition wall 60c side edge

Claims (13)

A vehicle seat comprising a frame, a cloth-like body that transmits a tensile force, and an attachment member that connects the cloth-like body to the frame,
The mounting member includes a groove-shaped holding portion that engages with an end side in the extending direction of the cloth-like body and holds the end side in a detachable manner.
The frame includes a mounting hole through which the holding portion of the mounting member is inserted,
The holding portion includes a thickness direction regulating portion that regulates a position in the thickness direction on the end side in the extending direction of the cloth-like body, and a position in the width direction perpendicular to the thickness direction on the end side of the cloth-like body. A vehicle seat comprising: a width direction restricting portion that restricts. Among pre Kiatsumi direction restricting portion and the width direction regulating portion, at least one, in a state in which the mounting member is inserted into the mounting hole, by the pressing force from the inner wall of the mounting hole, the extension of the cloth-like member The vehicle seat according to claim 1, wherein the vehicle seat is bent in a direction in which a state of engagement with the holding portion on the end side in the direction is further strengthened.   At least one of the thickness direction restricting portion and the width direction restricting portion has the end in the extending direction of the cloth-like body in the thickness direction or the width direction when the attachment member is inserted into the attachment hole. The vehicle seat according to claim 1, wherein the vehicle side is regulated. One of the thickness direction restricting portion and the width direction restricting portion is a fixed wall, a restricted state that opposes the fixed wall by a hinge and restricts the end side in the extending direction of the cloth-like body and the end. A hinge wall that is displaced between a non-regulated state that does not regulate the part side, and
The other of the thickness direction restricting portion and the width direction restricting portion is provided at an end portion of the fixed wall or the hinge wall, and bridges the end portions of the fixed wall and the hinge wall in the restricted state to fix the fixed portion. A lid that closes the end of the space between the wall and the hinge wall;
The position of the end side in the extending direction of the cloth-like body is restricted by the hinge wall being displaced to the restricted state and the lid portion closing the end of the space. The vehicle seat according to any one of claims 1 to 3. The hand of the thickness direction regulating portion and the width direction regulating portion, said at non-regulated state, as well as the visible to the space between the fixed wall and the hinge walls from the outside, in the restricted state The vehicle seat according to claim 4, further comprising an opening to be closed.   6. The vehicle according to claim 4, wherein the lid is sandwiched between the mounting hole, the fixed wall, and the hinge wall in a state where the mounting member is inserted through the mounting hole. Sheet. Wherein between the fixed wall and the hinge walls, the in the mounting hole and a position spaced, according to any one of claims 4 to 6, wherein Rukoto confirmation window is provided to allow viewing the space from the outside Vehicle seats.   The vehicle seat according to any one of claims 4 to 7, wherein the lid portion includes a positioning portion that positions a mutual position of the hinge wall and the lid portion in the restricted state. The hinge wall includes a fixed end fixed to the fixed wall, and a free end provided on the opposite side of the fixed end and movable with respect to the fixed wall,
The vehicular seat according to any one of claims 4 to 8, wherein a concave portion is formed in a surface of the fixed end portion facing the fixed wall along an extending direction of the fixed end portion. The mounting member includes a claw portion that engages with an edge portion of the mounting hole on an outer surface,
The vehicle seat according to claim 9, wherein the claw portion is provided at a center of the mounting member in the width direction and spaced from the fixed end portion of the hinge wall.   11. The vehicle seat according to claim 4, wherein, in the restricted state, an inner surface of the hinge wall on the space side is in contact with a wide surface of the cloth-like body. The mounting member includes a hook portion erected at an angle with respect to the fixed wall or the hinge wall from an end portion of the fixed wall and the hinge wall opposite to the fixed end portion,
The hooking portion is in contact with one surface of the frame,
The latching portion is claim 9 or 1 0 Symbol mounting of the vehicle seat, characterized in that it comprises a guide portion along the extending direction of the cloth-like material drawn from the space. The frame includes a fragile portion that becomes a starting point of buckling in the event of a vehicle rear collision,
The vehicular seat according to any one of claims 2 to 12, wherein the mounting hole is provided at a position along the direction in which the fragile portion guides the buckling and interlocks with the buckling.

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