JP2013209030A - Airbag module-equipped seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an airbag module-equipped seat in which guiding members for guiding the deployment direction of an airbag module are attached to the side of an airbag module and in which assembly man-hours of the airbag module-equipped seat can be reduced through reduction in the number of components.SOLUTION: A seat S is equipped with an airbag module 6 housing an airbag 6b therein; a seat frame F forming a framework of the seat S; the airbag module 6 attached to the seat frame F; and guiding members 31, 32 attached to a cover member 4 of the seat S and guiding the deployment direction of the airbag module 6. The seat frame F is configured to include holding parts 15, 14 for holding the guiding members 31, 32 in such a manner that the holding parts are integrally formed with the seat frame F.

Description

  The present invention relates to an airbag module equipment sheet, and more particularly to an airbag module equipment sheet in which an end portion of a guide member for guiding a deployment direction of an airbag is attached to a side frame.

  Conventionally, as an airbag module equipped seat, the airbag module is attached to the side frame of the seat back frame, and the trim cover rupture part is formed by jointly sewing each end of the trim cover and one end of two blanches, There has been proposed a technique in which an airbag module is wrapped with two blanches pulled into the inside of a trim cover from a broken portion, and the entire seat back including the airbag module is covered with a trim cover (for example, Patent Document 1). ).

In Patent Document 1, a module cover that accommodates an air bag module is provided with a bar-shaped latching pin that extends in the vertical direction, and is hooked on the opposite end of the rupture portion of the webbing that continues from the rupture portion of the trim cover. The hook is connected. The opposite end portion of the rupture portion of the bundling is fixedly connected to the module cover by hooking the hook on the latch pin of the module cover.
According to the invention of Patent Document 1, it is only necessary to pull the bundling into the inside of the cavity from the opening edge of the back pad, and to hook the hook of the trim cord on the latching pin of the module cover inside the cavity. , Can be assembled compactly and easily.

Japanese Patent No. 4560659

  However, in the structure in which the guide member for guiding the deployment direction of the airbag module is attached to the attachment portion such as the seat frame via the attachment member such as the hook of Patent Document 1, the number of parts is large, and the assembly man-hours are large. The reduction of was desired.

The present invention has been made in view of the above problems, and an object of the present invention is an airbag module equipped sheet in which a guide member for guiding the deployment direction of an airbag module is attached to the airbag module side, The object is to provide an airbag module-equipped seat that can reduce assembly man-hours by reducing the number of parts.
Another object of the present invention is an airbag module-equipped seat in which a guide member for guiding the deployment direction of the airbag module is attached to the airbag module side, and the airbag module side and the guide member by the deployment force of the airbag. It is in providing the airbag module equipment sheet | seat by which it was suppressed that a connection part deform | transforms.
Still another object of the present invention is an airbag module equipped sheet in which a guide member for guiding the deployment direction of an airbag module is attached to the airbag module side, and the mounting rigidity between the airbag module side and the guide member It is to provide a seat equipped with a high air bag module.

  According to the airbag module equipped seat of claim 1, the subject is a seat equipped with an airbag module for storing an airbag, the seat frame forming a skeleton of the seat, and attached to the seat frame The airbag module; and a guide member that is attached to a cover member of the seat and guides a deployment direction of the airbag module, and the seat frame includes a holding portion that holds the guide member, the seat frame It is solved by forming it integrally.

  If comprised in this way, since a separate attachment member is not used, the number of parts can be reduced and the number of assembly steps can be reduced.

At this time, it is preferable that the holding part includes a restricting part that restricts movement of the guide member held by the holding part.
Since it comprises in this way, it can suppress that a guide member remove | deviates from a holding | maintenance part, and the guidance of the airbag deployment direction at the time of airbag deployment by a guide member can be stabilized more.

At this time, as in claim 3, it is preferable that the holding portion is provided on a flange portion where an end portion of the seat frame is bent.
Thus, since the holding portion is provided on the highly rigid flange portion, the mounting rigidity of the guide member is improved.

At this time, as in claim 4, the seat frame includes a plate portion and the flange portion where the end portion of the plate portion is bent, and the flange portion of the seat frame includes the flange portion at the end portion of the flange portion. A plate portion facing portion that is bent from an end portion of the portion to form a surface that faces the plate portion, and a first return portion that is further bent from the plate portion facing portion toward the plate portion, It is preferable that the restricting portion includes the first return portion, and the holding portion includes an area surrounded by the flange portion, the plate portion facing portion, and the first return portion.
Since it comprises in this way, the attaching part for attaching a guide member directly to the seat frame side with a simple structure is realizable.

At this time, as in claim 5, the seat frame includes a plate portion and the flange portion where the end portion of the plate portion is bent, and the flange portion of the seat frame includes the flange portion at the end portion of the flange portion. A plate portion facing portion that is bent from an end portion of the portion to form a surface facing the plate portion, a first return portion that is further bent from the plate portion facing portion toward the plate portion, and the first return portion And a second return portion provided between the plate portion facing portion and the plate portion, and the restricting portion from the second return portion. It is preferable that the holding portion includes a region surrounded by the plate portion facing portion, the first return portion, and the second return portion.
Since it comprises in this way, the attaching part for attaching a guide member directly to the seat frame side with a simple structure is realizable.

At this time, as in claim 6, the flange portion is provided so as to extend in the vertical direction along the horizontal end portion of the seat frame, and the holding portion is one of the vertical directions of the flange portion. The upper end portion of the holding portion is open upward, and is located above the upper end portion of the holding portion and adjacent to the upper end portion. It is preferable that the portion is not formed.
Since it comprises in this way, a guide member can be attached to a holding | maintenance part by sliding from the upper direction of a holding | maintenance part. Accordingly, since the direction of the force applied to the guide member when the airbag module is deployed and the direction of attaching the guide member have an angle, even if force is applied to the guide member when the airbag module is deployed, guidance is provided from the attachment port of the guide member. It can suppress that a member remove | deviates and can improve support rigidity.

At this time, as described in claim 7, a material including a fiber reinforced material is used for the wall portion constituting the holding portion, and a fiber direction of the fiber reinforced material is determined when the airbag module is deployed. Is preferably along the direction pulled by the guide member.
Since it comprises in this way, when the force which pulls a guide member at the time of airbag module expansion | deployment is applied, it can suppress that a holding | maintenance part deform | transforms.

At this time, as in the eighth aspect, a fillet portion is formed in a portion where the side plate and the flange portion are continuous, and the fillet portion of the holding portion is formed in the corner other than the holding portion. It is preferable that the thick part is thicker than the thick part.
Since it comprises in this way, when the force which pulls a guide member at the time of airbag module expansion | deployment is applied, it can suppress that a holding | maintenance part deform | transforms.

At this time, as in the ninth aspect, it is preferable that the thick portion is formed in the vertical direction of the holding portion and is inclined with respect to the plate portion and the flange portion.
Since it comprises in this way, the support rigidity by a thick part can be improved more.

At this time, as described in claim 10, a terminal shape holding member that holds the shape of the end portion is fixed to the end portion of the guide member, and the restriction portion covers the terminal shape holding member. It is preferred that it extends.
Thus, the support rigidity of the guide member can be improved by providing the terminal shape holding member and by covering the terminal shape holding member with the restricting portion during assembly.

At this time, it is preferable that a wall for closing the end portion is formed at the lower end portion of the holding portion.
Since it comprises in this way, it can suppress that a guide member falls from the downward direction of a holding | maintenance part.

  According to the invention of claim 1, since a separate mounting member is not used, the number of parts can be reduced, and the number of assembling steps can be reduced.

  According to invention of Claim 2, it can suppress that a guide member remove | deviates from a holding | maintenance part, and the guidance of the airbag deployment direction at the time of airbag deployment by a guide member can be stabilized more.

  According to the invention of claim 3, since the holding portion is provided on the highly rigid flange portion, the mounting rigidity of the guide member is improved.

  According to the invention of claim 4, it is possible to realize an attachment portion for directly attaching the guide member to the seat frame side with a simple configuration.

  According to the invention of claim 5, it is possible to realize an attachment portion for directly attaching the guide member to the seat frame side with a simple configuration.

  According to invention of Claim 6, the edge part of a guide member can be attached to a holding | maintenance part by sliding a guide member from the upper direction of a holding | maintenance part. Accordingly, since the direction of the force applied to the guide member when the airbag module is deployed and the direction of attaching the guide member have an angle, even if force is applied to the guide member when the airbag module is deployed, guidance is provided from the attachment port of the guide member. It can suppress that a member remove | deviates and can improve support rigidity.

  According to the seventh aspect of the present invention, it is possible to suppress the holding portion from being deformed when a force for pulling the guide member is applied when the airbag module is deployed.

  According to invention of Claim 8, when the force which pulls a guide member at the time of airbag module expansion | deployment is applied, it can suppress that a holding | maintenance part deform | transforms.

  According to invention of Claim 9, the support rigidity by a thick part can be improved more.

  According to the invention of claim 10, the support rigidity of the guide member can be improved by providing the terminal shape holding member and covering the terminal shape holding member by the restricting portion at the time of assembly.

  According to invention of Claim 11, it can suppress that a guide member falls out from the downward direction of a holding | maintenance part.

It is an external view of the airbag module equipment sheet | seat which concerns on one Embodiment of this invention. It is a perspective view of a seat frame of an air bag module equipment seat concerning one embodiment of the present invention. It is AA sectional drawing of FIG. It is a perspective view showing a side frame according to an embodiment of the present invention. It is sectional explanatory drawing which shows the holding | maintenance part by the side of the front edge which concerns on one Embodiment of this invention. It is a perspective explanatory view showing a holding part on the front edge side according to an embodiment of the present invention. It is a section explanatory view showing a holding part by the side of a rear edge part concerning one embodiment of the present 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 sectional explanatory drawing which shows the holding | maintenance part by the side of the front edge part which concerns on other embodiment of this invention. It is sectional explanatory drawing which shows the holding | maintenance part by the side of the rear edge part which concerns on other embodiment of this invention.

  The present invention relates to an airbag module equipped seat in which an end portion side of a guide member for guiding a deployment direction of an airbag module is attached to a side frame.

The guide member of the present invention is a sheet-like member that is less stretchable than the skin, and one end is stitched to a break portion provided in the skin of the storage location of the airbag module, and the force applied when the airbag is deployed is In order to prevent damage to other members such as the cushion pad that is transmitted to the ruptured part and promotes the deployment of the airbag, or the cushion pad due to the force associated with the airbag expansion when the airbag is deployed, Including a blanket placed between them.
In addition, the present invention is suitably used for a resin side frame as an example of a seat frame, but can also be applied to a side frame made of other materials such as metal.
In the present specification, “integrated and formed” includes a case where the resin is poured into an integral mold and the member is integrally molded, or a case where the resin is integrally formed by processing such as bending a metal member. .
Hereinafter, the airbag module equipment sheet | seat which concerns on one Embodiment of this invention is demonstrated, referring FIGS. 1-10.

  FIG. 1 is an external view of an airbag module equipment sheet according to an embodiment of the present invention. FIG. 2 is a perspective view of a seat frame of an airbag module equipment seat according to an embodiment of the present invention. 3 is a cross-sectional view taken along the line AA in FIG. FIG. 4 is a perspective explanatory view showing a side frame according to an embodiment of the present invention. FIG. 5 is an explanatory cross-sectional view showing the holding portion on the front edge side according to the embodiment of the present invention. FIG. 6 is a perspective explanatory view showing a holding portion on the front edge side according to an embodiment of the present invention. FIG. 7 is an explanatory cross-sectional view showing the holding portion on the trailing edge side according to the embodiment of the present invention. FIG. 8 is an explanatory diagram illustrating 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. 9 is a cross-sectional explanatory view showing a holding portion on the front edge side according to another embodiment of the present invention. FIG. 10 is a cross-sectional explanatory view showing a holding portion on the trailing edge side according to another embodiment of the present invention.

As shown in FIG. 1, the airbag module equipment seat 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 is an airbag attachment member to which an airbag is attached, and 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 S <b> 1 serves as a seat back frame 1, a cushion pad 5 placed on the seat back frame 1, and a cover member that covers the seat back frame 1 and the cushion pad 5. The main component is the trim cover 4 which is the skin, and the first and second force cloths 31, which are sewn at one end to the fractured portion 40 of the trim cover 4.
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 of a resin molded body, and is formed of a substantially D-shaped substantially plate body in which a front end side is curved and a lower portion of the front end projects forward. As shown in FIGS. 3 and 4, a substantially flat side plate 11 as a plate portion, a front edge portion 12 formed by folding the front end portion of the side plate 11 inwardly in a U shape, and a rear end portion L-shaped. The mold has a rear edge 13 bent inward. On the inner surface of the portion where the side plate 11 and the rear edge portion 13 are continuous, as shown in FIG. 4, a fillet portion 13 a is formed so that the inner surface has a curved shape. The front edge part 12 and the rear edge part 13 correspond to the flange part of a claim.
As shown in FIGS. 2, 4, and 5, the ends of the second webbing 32 are internally provided at two locations in the extending direction of the front edge 12 extending substantially in the vertical direction of the sheet. A holding portion 14 is formed to be held.

  The holding portion 14 includes a U-shaped portion 14a in which a front end of the side plate 11 is bent in a U-shape toward the inside of the sheet S, and an end portion on the inside of the sheet S of the U-shaped portion 14a extending toward the rear of the sheet S. The side plate 11 is bent toward the outer side of the sheet S substantially perpendicularly from the end of the side plate facing portion 14b at the rear side of the sheet S, as a plate portion facing portion composed of a surface facing the side plate 11. A first return portion 14c having a surface having a near-perpendicular angle with respect to the sheet S, and the first return portion 14c is bent substantially perpendicularly from the outer end portion of the sheet S toward the front side of the sheet S. A second return portion 14d as a restricting portion having a surface substantially parallel to the facing portion 14b. The second return portion 14d extends between the side plate facing portion 14b and the side plate 11 with the end portion directed toward the U-shaped portion 14a.

As shown in FIG. 5, the tip of the second return portion 14 d and the trim plate 37 are chamfered at the corners so as to be able to suppress damage to the second webbing 32.
Further, as shown in FIG. 5, the trim plate 37 is an outer periphery of a surface perpendicular to the longitudinal direction of the trim plate 37 by a portion on the end side of the second webbing 32, and is in the holding portion 14. Almost all of the contained part is covered. Since it comprises in this way, it is suppressed that the inner surface of the holding | maintenance part 14 and the trim plate 37 contact directly, and abnormal noise generation | occurrence | production is suppressed.
The side plate facing portion 14b and the second return portion 14d extend in parallel with each other at a distance slightly larger than the thickness of the trim plate 37, and the side plate facing portion 14b and the second return portion 14d are disposed between the side plate facing portion 14b and the second return portion 14d. The trim plate 37 to which the second force cloth 32 is sewn is configured to be held in parallel with the side plate facing portion 14b and the second return portion 14d.

As shown in FIG. 5, the surface of the side plate 11 on the inner side of the sheet S and facing the second return portion 14 d rises toward the inner side of the sheet S and the second return portion 14 d, and the thickness is increased. The thick portion 19 that is thick is provided so as to face the second webbing 32. By comprising in this way, the support rigidity of the holding | maintenance part 14 improves. Further, since the thick portion 19 is provided along the second webbing 32, it also functions as a guide when the second webbing 32 and the trim plate 37 are assembled.
Since the front edge portion 12 is in a position on the front side of the seat S that supports the back surface of the occupant, it is desirable that the front edge portion 12 does not protrude toward the inside of the seat S. Therefore, the holding portion 14 is arranged with the side plate facing portion 14b and the second return portion 14d serving as the holding surface of the trim plate 37 along the front-rear direction of the seat S, and becomes the front end portion of the side frame 10. The front edge portion 12 is prevented from projecting inside the sheet S.

As shown in FIGS. 4 and 6, the upper end 14 u and the lower end 14 l of the holding portion 14 are end surfaces that are cut in the horizontal direction of the sheet S. Further, the U-shaped portion 14 a is formed over the entire area of the side frame 10 in the extending direction, and the upper end 14 u and the lower end 141 of the holding portion 14 are not provided with end portions.
The upper end 14u of the holding part 14 is opened upward, but the lower end 14l of the holding part 14 is closed with a wall made of a resin material as a lid.
Accordingly, at the upper end 14u of the holding portion 14, only the side plate facing portion 14b, the first return portion 14c, and the second return portion 14d have end portions. With this configuration, the holding portion 14 has the first return portion 14 c protruding on the front edge portion 12 in the extending direction of the front edge portion 12, and the end portion of the second force cloth 32. And since it becomes easy to confirm the holding | maintenance part 14 used as the attachment position of the trim plate 37, attachment workability | operativity improves.
Further, the U-shaped portion 14a is formed so as to rise toward the outside of the curved surface at a position slightly above the upper end 14u of the front edge portion 12 and a position slightly below the lower end 14l, and the thickness is increased. A thick portion 17 is provided. By comprising in this way, the rigidity of the holding | maintenance part 14 improves.

  As shown in FIG. 4, the rear edge portion 13 holds the end portion of the first webbing 31 at one place in the center in the extending direction of the rear edge portion 13 extending substantially in the vertical direction of the sheet. The holding part 15 is formed.

As shown in FIG. 7, the holding portion 15 includes an L-shaped portion 15 a in which the rear end of the side plate 11 is bent in an L-shape toward the inside of the sheet S, and an end portion inside the sheet S of the L-shaped portion 15 a. The side plate facing portion 15b as a plate portion facing portion extending from the front side of the sheet S and facing the side plate 11 and the end of the side plate facing portion 15b at the front side of the sheet S are substantially perpendicular to the outside of the sheet S. A restriction portion that is bent toward the side plate 11 and is substantially perpendicular to the side plate 11 and a return portion 15c as a first return portion are provided.
The L-shaped portion 15a is formed by laminating a known sheet-like CFRP (carbon fiber reinforced plastic) material in which fibers are substantially aligned and hardened in one direction at the time of molding. The fiber direction of the CFRP material is a direction in which a force is applied to the L-shaped portion 15a when the airbag module 6 is deployed, and is parallel to the surface of the trim plate 33 accommodated in the holding portion 15 as shown in FIG. It is the width direction.
As shown in FIG. 7, the tip of the return portion 15 c and the trim plate 33 are chamfered at the corners and formed so as to suppress damage to the first webbing 31.
Further, as shown in FIG. 7, the trim plate 33 has the outer periphery of the surface perpendicular to the longitudinal direction of the trim plate 33 covered almost entirely by the end portion side of the first webbing 31. Since it comprises in this way, it is suppressed that the inner surface of the holding | maintenance part 15 and the trim plate 33 contact directly, and abnormal noise generation | occurrence | production is suppressed.

The L-shaped portion 15a and the return portion 15c extend in parallel with each other at a distance slightly larger than the thickness of the trim plate 33, and the first baffle is provided between the L-shaped portion 15a and the return portion 15c. The trim plate 33 sewn 31 is configured to be held parallel to the L-shaped portion 15a and the return portion 15c.
Since there is a relatively large space around the rear edge portion 13, the holding portion 15 arranges the L-shaped portion 15 a and the return portion 15 c serving as the holding surface of the trim plate 33 along the width direction of the sheet S. ing.

  The terminal of the first baffle 31 is disposed behind the sheet S with respect to the bolt 18. By comprising in this way, the deterioration of the workability | operativity of the terminal of the 1st bedding 31 and the trim plate 33 is suppressed. Further, depending on the setting of the positional relationship between the bolt 18 and the end of the first webbing 31 and the trim plate 33, the end of the first webbing 31 and the trim plate 33 may rotate when the airbag module 6 is deployed. It is also possible to suppress by the bolt 18.

As shown in FIGS. 4 and 7, the upper end 15 u and the lower end 15 l of the holding portion 15 are end faces that are shaped in the horizontal direction of the sheet S. Further, the L-shaped portion 15 a is formed over the entire region of the side frame 10 in the extending direction, and no end portion is provided at the upper end 15 u and the lower end 15 l of the holding portion 15.
The upper end 15u of the holding part 15 is opened upward, but the lower end 15l of the holding part 15 is closed with a wall made of a resin material as a lid.
Therefore, at the upper end 15u of the holding portion 15, only the side plate facing portion 15b and the return portion 15c have end portions. By configuring in this way, the holding portion 15 has the side plate facing portion 15b protruding on the rear edge portion 13 in the extending direction of the rear edge portion 13, and the end portion and trim of the first force cloth 31. Since it becomes easy to confirm the holding part 15 used as the attachment position of the plate 33, attachment workability | operativity improves.

Moreover, the part adjacent to the holding | maintenance part 15 among the fillet parts 13a becomes the thick part 13b formed thicker than the part of the other fillet parts 13a. As shown in FIG. 3, the thick portion 13 b is disposed so that the cushion pad 5 on the rear side of the seat S faces the recessed portion 5 a that is recessed so that the inner side of the seat S moves backward toward the rear of the seat S. By comprising in this way, it can suppress that the surrounding structure of the thick part 13b becomes large.
Further, on the inner surface of the sheet S of the side plate 11, from the position adjacent to the upper holding portion 14 to the position adjacent to the holding portion 15, the position adjacent to the holding portion 15 from the position adjacent to the lower holding portion 14. The bead 16 is formed in a straight line and the holding portions 14 and 15 are reinforced to the extent that there is no hindrance to the attachment of the first webbing 31 and the second webbing 32. The means for reinforcing the holding portions 14 and 15 is not limited to beads, and other means for improving rigidity may be used.

An airbag module 6 is fixed to the side frame 10.
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, a space 7 for storing the airbag module 6 is formed in the cushion pad 5.

The trim cover 4 is made of a known material, and as shown in FIG. 8, a front gusset portion 41 that encloses the left and right bank surfaces from the seat surface center and a side gusset portion 42 that extends from the circumferential side surface to the back surface, and further, The back gusset portion (not shown) is sewn in a bag shape by being connected to the side gusset portion 42 with a slide fastener (not shown) so as to be opened and closed.
The trim cover 4 is formed with a rupture portion 40 at the apex bulging at the bank portion between 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.

The first force cloth 31 and the second force cloth 32 are made of a cloth-like material having small stretchability, and play a role of transmitting stress due to the inflation of the airbag to the breaking portion 40.
As shown in FIG. 8, the first webbing 31 is made of a substantially rectangular fabric that is elongated in the direction in which a tensile force is applied, and one end is a breakage 40, and a front gusset 41 and a side gusset of the trim cover 4. The end portion of the portion 42 and one end of the second webbing 32 are sewn together. A trim plate 33 is sewn to the other end of the first force cloth 31.

As shown in FIG. 8, the second webbing 32 has a substantially parallel structure in which the side 34 on the broken part 40 side and the side 35 on the opposite side of the broken part 40 are substantially parallel, and the side 34 on the broken part 40 side is formed long. Made of trapezoidal cloth. The side 35 on the opposite side of the fractured portion 40 is provided with two mounting portions 36 for mounting the trim plate 37 protruding in a rectangular shape.
The side 34 of the second webbing 32 on the side of the fractured portion 40 is the fractured portion 40 and is sewn together with the front gusset portion 41 and the side gusset portion 42 of the trim cover 4 and one end of the first webbing 31. ing. As shown in FIG. 8, trim plates 37 are sewn on the attachment portions 36 on the side 35 opposite to the second force cloth 32.

  The trim plates 33 and 37 are rectangular plates made of hard resin. The trim plates 33 and 37 are force end portions holding members used to hold the shapes of the ends of the first force cloth 31 and the second force cloth 32. Since the trim plates 33 and 37 are fixed to the ends of the first and second webbings 31 and 32, the terminals of the first and second webbings 31 and 32 are held by the holding portions 14 and 15. Workability when plugged into is improved. In the present embodiment, the trim plates 33 and 37 are fixed to the ends of the first and second webbings 31 and 32, but the present invention is not limited to this, and the trim plates 33 and 37 are not used. In addition, a plurality of ends of the first baffle 31 and the second baffle 32 that are folded back and sewn, those that are wound in a plurality of layers and sewn and wound in a plurality of layers are sewn in one direction. You may insert what was crushed in the holding | maintenance parts 14 and 15. FIG.

  As shown in FIG. 3, the first webbing 31 and the second webbing 32 are drawn into the space 7 from the breaking portion 40. The trim plate 33 at the other end of the first webbing 31 is held by the holding unit 15 at the rear edge 13 of the side frame 10, and the trim plate 37 at the other end of the second webbing 32 is attached to the side frame 10. It is held by the holding portion 14 of the front edge portion 12.

As shown in FIGS. 3 and 5, the end portion of the second baffle 32 is attached to the side frame 10 by being integrated with the trim plate 37 and being accommodated in the holding portion 14. At this time, the second return portion 14 d of the holding portion 14 is formed longer than the width of the trim plate 37 in the direction perpendicular to the longitudinal direction, and the second return portion 14 d covers the trim plate 37. ing.
As shown in FIGS. 3 and 7, the end portion of the first baffle 31 is attached to the side frame 10 by being integrated with the trim plate 33 and being accommodated in the holding portion 15. At this time, the return portion 15 c of the holding portion 15 is formed longer than the width of the trim plate 33 in the direction perpendicular to the longitudinal direction, and the return portion 15 c covers the trim plate 33.

Attachment of the first webbing 31 and the second webbing 32 to the side frame 10 is performed according to the following procedure.
First, the operator bends the attachment portion 36 of the second webbing 32 once at the boundary between the trim plate 37 and the attachment portion 36, and overlaps the trim plate 37 and the attachment portion 36 by the width of the trim plate 37.

Next, while holding the trim plate 37 and the mounting portion 36, the trim plate 37 is brought into contact with the inside of the curved surface of the front edge portion 12 and is disposed at a position slightly above the upper end 14 u of the holding portion 14. Next, the trim plate 37 is slid downward along the inside of the curved surface of the front edge portion 12 and inserted into the holding portion 14. The trim plate 37 is pushed in until the end of the trim plate 37 in the advancing direction comes into contact with the wall of the lower end 14l of the holding portion 14 and cannot move further downward. The connection with the frame 10 is completed.
The same operation is performed for all the attachment portions 36, and the attachment of the second webbing 32 to the side frame 10 is completed.

Next, the end of the first webbing 31 is bent once at the boundary between the trim plate 33 and the end, and the trim plate 33 and the end are overlapped by the width of the trim plate 33.
Next, while holding the trim plate 33 and the end portion, the trim plate 33 is brought into contact with the inner surface of the rear edge portion 13 and disposed at a position slightly above the upper end 15 u of the holding portion 15. Next, the trim plate 33 is slid downward along the inner surface of the rear edge portion 13 and inserted into the holding portion 15. The trim plate 33 is pushed in until the end portion of the trim plate 33 in the advancing direction comes into contact with the wall portion of the lower end 15l of the holding portion 15 and cannot move further downward. The connection with the frame 10 is completed.

In the present embodiment, the end portions of the first force cloth 31 and the second force cloth 32 are attached to the holding portions 14 and 15 provided integrally with the side frame 10, and separate members such as hooks and listing wires are provided. Since no mounting member is used, the number of parts can be reduced, and costs, warranty parts and assembly man-hours can be reduced.
Further, it is not necessary to use separate attachment members such as hooks or listing wires in order to attach the end portions of the first baffle 31 and the second baffle 32 to the side frame 10 side. The attachment rigidity of the attachment part of the edge part of the cloth 31 and the 2nd force cloth 32 can be improved. As a result, the guidance of the airbag deployment direction when the airbag module 6 is deployed by the end portions of the first and second webbings 31 and 32 can be further stabilized. In addition, in order to attach the end portions of the first baffle 31 and the second baffle 32 to the holding portions 14 and 15 provided integrally with the side frame 10, as compared with the case where separate attachment members are used. And the deformation | transformation of the to-be-attached part to which the edge part of the 1st force cloth 31 and the 2nd force cloth 32 is attached is suppressed.

Although the holding portion 14 shown in FIGS. 3 to 6 is provided on the front edge portion 12, a holding portion 14 ′ shown in FIG. 9 may be provided instead of the holding portion 14.
The holding portion 14 ′ has a raised portion 14 a ′ in which the front end of the side plate 11 ′ is raised toward the inner side of the sheet S, and branches from the root 14 b ′ of the raised portion 14 a ′ to the front side of the sheet S, The regulation part 14c 'which protruded along 14a', and the protrusion 14d 'which the front-end | tip inside sheet | seat S of regulation part 14c' protruded toward sheet | seat S back are provided.

A portion from the raised portion 14a ′ to the restricting portion 14c ′ through the root 14b ′ serves as a groove for accommodating the trim plate 37 ′.
The regulating portion 14c ′ is formed over the entire length of the side frame in the longitudinal direction, but the raised portion 14a ′ is provided only in the holding portion 14 ′, and above and below the holding portion 14 ′. Since the raised portion 14 a ′ is not provided, the trim plate 37 ′ is brought into contact with the inner side surface on the rear side of the sheet S of the restricting portion 14 c ′ above the holding portion 14 ′ and is then slid to thereby hold the holding portion. 14 'can be easily attached.

As shown in FIG. 9, the trim plate 37 ′ attached to the second force cloth 32 is made of a hard resin plate, and the cross section cut along a plane perpendicular to the longitudinal direction is a long and narrow elliptical direction. The end portion is provided with a concave portion 37a ′ having an L-shaped cross section that is recessed in the thickness direction of the trim plate 37 ′, and a portion adjacent to the L-shaped concave portion 37a ′ is formed at the end. The thin portion 37b 'is formed thinner than the other portions.
The thin-walled portion 37b ′ is attached with the attachment portion 36 of the second webbing 32, and the recessed portion 37a ′ is engaged with the protrusion 14d ′ at the time of assembly so that the holding portion 14 ′ of the trim plate 37 ′ can be engaged. It is possible to suppress the dropout of the.
Since the other configuration of the holding unit 14 ′ is the same as that of the holding unit 14, description thereof is omitted.

Although the holding part 15 shown in FIGS. 3, 4, and 7 is provided on the rear edge part 13, a holding part 15 ′ shown in FIG. 10 may be provided instead of the holding part 15.
The holding portion 15 ′ has a sheet S from a first wall portion 15 a ′ in which the rear end of the side plate 11 ′ is bent in an L shape and vertically bent toward the inside of the sheet S, and a root 15 b ′ of the first wall portion 15 a ′. The second wall portion 15c ′ branched backward and erected in parallel along the first wall portion 15a ′ toward the inside of the sheet S, and the tip of the second wall portion 15c ′ inside the sheet S are the sheet S is provided with a protrusion 15d ′ protruding toward the front.
A portion extending from the first wall portion 15a ′ to the second wall portion 15c ′ through the root 15b ′ serves as a groove for accommodating the trim plate 33 ′.

The second wall 15c ′ is formed over the entire length of the side frame 10 ′ in the longitudinal direction, but the first wall 15a ′ is provided only in the holding portion 15 ′. Since the first wall portion 15a ′ is not provided above and below 15 ′, the trim plate 33 ′ is attached to the inner surface of the second wall portion 15c ′ above the holding portion 15 ′ on the front side of the sheet S. It can be easily attached to the holding portion 15 'by sliding after being brought into contact with.
Since the configuration of the trim plate 33 ′ attached to the first webbing 31 is the same as that of the trim plate 37 ′, description thereof is omitted.
An end portion of the first baffle 32 is attached to the thin wall portion 33b ′ of the trim plate 33 ′, and the recess portion 33a ′ is retained by holding the trim plate 33 ′ by engaging the projection 15d ′ at the time of assembly. The drop-off from the portion 15 ′ can be suppressed.
Since the other configuration of the holding unit 15 ′ is the same as that of the holding unit 15, description thereof is omitted.

S Seat S1 Seat back S2 Seat part S3 Headrest F Seat frame 1 Seat back frame 2 Seat frame 3 Reclining mechanism 4 Trim cover 5 Cushion pad 5a Recess 6 Air bag module 6a Inflator 6b Air bag 6c Retainer 6d Wrap material 7 Space 10 Side frame 11, 11 'Side plate 12 Front edge portion 13 Rear edge portion 13a Fillet portions 13b, 17, 19 Thick portions 14, 14', 15, 15 'Holding portion 14a U-shaped portion 14a' Raised portion 14b Side plate facing portion 14b ', 15b' Root 14c First return portion 14c 'Restriction portion 14d Second return portion 14d', 15d 'Projection 14l, 15l Lower end 14u, 15u Upper end 15a L-shaped portion 15a' First wall portion 15b Side plate facing Part 15c Return part 15c 'Second wall part 16 Bead 18 Bolt 21 Upper part Frame 22 Lower frame 23 Pillar support portion 31 First force cloth 32 Second force cloths 33, 33 ', 37, 37' Trim plates 33a ', 37a' Recesses 33b ', 37b' Thin portion 34 Side on the fractured portion side 35 Side of breakage portion opposite side 36 Attaching portion 40 Breakage portion 41 Front gusset portion 42 Side gusset portion

Claims (11)

A seat equipped with an airbag module for storing an airbag,
A seat frame forming a skeleton of the seat;
The airbag module attached to the seat frame;
A guide member attached to the cover member of the seat and guiding a deployment direction of the airbag module,
The airbag module equipment seat, wherein the seat frame includes a holding portion that holds the guide member integrally formed with the seat frame.   The airbag module equipment sheet according to claim 1, wherein the holding portion includes a restricting portion that restricts movement of the guide member held by the holding portion.   The airbag module equipment seat according to claim 1 or 2, wherein the holding portion is provided in a flange portion where an end portion of the seat frame is bent. The seat frame includes a plate portion and the flange portion where the end portion of the plate portion is bent,
At the end portion of the flange portion of the seat frame, a plate portion facing portion that is bent from the end portion of the flange portion to form a surface facing the plate portion, and further from the plate portion facing portion toward the plate portion. And a first return part bent and
The restricting portion includes the first return portion,
The airbag module equipment sheet according to claim 3, wherein the holding portion includes an area surrounded by the flange portion, the plate portion facing portion, and the first return portion. The seat frame includes a plate portion and the flange portion where the end portion of the plate portion is bent,
At the end portion of the flange portion of the seat frame, a plate portion facing portion that is bent from the end portion of the flange portion to form a surface facing the plate portion, and further from the plate portion facing portion toward the plate portion. A first return portion that is bent and a second return portion that is further opposed to the plate portion facing portion from the first return portion, and is provided between the plate portion facing portion and the plate portion. Provided,
The restricting portion includes the second return portion,
4. The airbag module equipment sheet according to claim 3, wherein the holding portion includes a region surrounded by the plate portion facing portion, the first return portion, and the second return portion. 5. . The flange portion is provided so as to extend in the vertical direction along the horizontal end portion of the seat frame.
The holding portion is provided in a part of the flange portion in the vertical direction,
The upper end of the holding part opens upward,
The airbag according to any one of claims 3 to 5, wherein the restriction portion is not formed at a position adjacent to the upper end portion above the upper end portion of the holding portion. Module equipment seat. For the wall portion constituting the holding portion, a material including a fiber reinforced material is used,
The airbag module equipment according to any one of claims 1 to 6, wherein a fiber direction of the fiber reinforced material is along a direction in which the holding portion is pulled by the guide member when the airbag module is deployed. Sheet.   A fillet portion is formed at a portion where the plate portion and the flange portion are continuous, and the fillet portion of the holding portion is thicker than the fillet portion at a location other than the holding portion. The airbag module equipment sheet according to claim 5, wherein the airbag module equipment sheet is formed as a portion.   The airbag module equipment sheet according to claim 8, wherein the thick portion is formed in a vertical direction of the holding portion and is inclined with respect to the plate portion and the flange portion.   The terminal shape holding member that holds the shape of the end portion is fixed to the end portion of the guide member, and the restricting portion extends to cover the terminal shape holding member. The airbag module equipment sheet according to any one of 2 to 9. The airbag module equipment sheet according to any one of claims 6 to 10, wherein a wall for closing the end portion is formed at an end portion below the holding portion.

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