JP6764121B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat.

Conventionally, as a seat equipped with an airbag module, an airbag module is attached to the side frame of the seat back frame, and each terminal of the trim cover and one end of two cloths are sewn together to form a broken portion of the trim cover. It has been proposed that the airbag module is wrapped with two cloths drawn from the broken portion into the inside of the trim cover, and the entire seat back including the airbag module is covered with the trim cover (for example, Patent Document 1). ).

In Patent Document 1, the module cover that houses the airbag module is provided with a rod-shaped hook pin that extends in the vertical direction, and is hooked on the opposite end of the break portion of the force cloth that is continuous from the break portion of the trim cover. The hooks are connected. The end on the opposite side of the broken portion of the force cloth is connected and fixed to the module cover by hooking the hook on the hook pin of the module cover.
According to the invention of Patent Document 1, it is only necessary to pull the force cloth from the opening edge of the back pad into the inside of the cavity and hook the hook of the trim cord to the hook pin of the module cover inside the cavity. , The power cloth can be assembled compactly and easily.

Japanese Patent No. 4560656

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

The present invention includes a side frame provided on the side of the seat, a plurality of reinforcing portions provided on the side surface of the side frame, separated in the vertical direction, and extending in the front-rear direction, and provided on the side surface of the side frame. It has a vertical reinforcing portion extending in the vertical direction, the vertical reinforcing portion connects the plurality of reinforcing portions, and the plurality of airbag modules for storing the airbag are separated in the vertical direction. It is attached to the side frame at a height position straddling the reinforcing portion, the airbag module faces the plurality of reinforcing portions and the upper and lower reinforcing portions, and the side frame is a deployment of the airbag module. It is a vehicle seat characterized by further having a holding portion for attaching and holding a guide member for guiding a direction, and the holding portion is provided at a position overlapping the upper and lower reinforcing portions in the front-rear direction.
In the vehicle seat, it is preferable that the plurality of reinforcing portions extend in different directions.
In the vehicle seat, it is preferable that the distances between the plurality of reinforcing portions differ between the front and the rear.
In the vehicle seat, it is preferable that the upper and lower reinforcing portions and the plurality of reinforcing portions are continuous.
In the vehicle seat, it is preferable that the plurality of reinforcing portions are continuous via the upper and lower reinforcing portions.
In the vehicle seat, it is preferable that the reinforcing portion protrudes inside the seat.
In the vehicle seat, it is preferable that the upper and lower reinforcing portions are provided at the rear end of the side surface of the side frame, and the reinforcing portion extends from the rear end to the front end of the side surface of the side frame. Is.
It is preferable that the vehicle seat has a plurality of the holding portions, and the reinforcing portion is provided between the plurality of the holding portions.
The present invention includes a side frame provided on the side of the seat, a plurality of reinforcing portions provided on the side surface of the side frame, separated in the vertical direction, and extending in the front-rear direction, and provided on the side surface of the side frame. It has a vertical reinforcing portion extending in the vertical direction, the vertical reinforcing portion connects the plurality of reinforcing portions, and the plurality of airbag modules for storing the airbag are separated in the vertical direction. It is attached to the side frame at a height position straddling the reinforcing portion, the airbag module faces the plurality of reinforcing portions and the upper and lower reinforcing portions, and the side frame is a deployment of the airbag module. A vehicle seat having a holding portion for attaching and holding a guide member for guiding a direction, and the holding portion is provided at a position where it overlaps with at least a part of the plurality of reinforcing portions in the front-rear direction. is there.
D A bag module equipped sheet is a sheet equipped with an air bag module for storing the air bag, a seat frame forming a skeleton of the seat, and the air bag module attached to the seat frame, the seat attached to the cover member, and a guide member for guiding the deployment direction of the airbag module, the seat frame, a holding portion for holding the guide member, Ru includes integrally formed on the seat frame.

With this configuration, since a separate mounting member is not used, the number of parts can be reduced and the assembly man-hours can be reduced.

At this time, the front Symbol holder, it is preferable that has a regulating portion for regulating movement of the guide member that is held by the holding portion.
Since it is configured in this way, it is possible to prevent the guide member from coming off from the holding portion, and it is possible to more stable the guidance in the airbag deployment direction when the airbag is deployed by the guide member.

At this time, the front Symbol holder, it is preferable that is provided in the flange portion end is bent in the seat frame.
In this way, since the holding portion is provided on the flange portion having high rigidity, the mounting rigidity of the guide member is improved.

At this time, before Symbol seat frame includes a plate portion, and said flange portion bent end of the plate portion, the end portion of the flange portion of the seat frame, bent from an end portion of the flange portion A plate portion facing portion forming a surface facing the plate portion and a first return portion bent from the plate portion facing portion toward the plate portion are provided, and the regulating portion is the first It is preferable that the holding portion is composed of one return portion, and the holding portion is composed of a region surrounded by the flange portion, the plate portion facing portion, and the first return portion.
With such a configuration, it is possible to realize a mounting portion for directly mounting the guide member on the seat frame side with a simple structure.

At this time, before Symbol seat frame includes a plate portion, and said flange portion bent end of the plate portion, the end portion of the flange portion of the seat frame, bent from an end portion of the flange portion A plate portion facing portion forming a surface facing the plate portion, a first return portion bent from the plate portion facing portion toward the plate portion, and a plate portion further from the first return portion. A second return portion, which faces the facing portion and is provided between the plate portion facing portion and the plate portion, is provided, the regulation portion includes the second return portion, and the holding portion includes the second return portion. It is preferable that the region is surrounded by the plate portion facing portion, the first return portion, and the second return portion.
With such a configuration, it is possible to realize a mounting portion for directly mounting the guide member on the seat frame side with a simple structure.

At this time, the front Symbol flange along the ends of the horizontal direction of the seat frame, is provided so as to extend in the vertical direction, the holding portion is provided in a part of the vertical direction of the flange portion, wherein The upper end of the holding portion opens upward, and the restricting portion is not formed at a position above the upper end of the holding portion and adjacent to the upper end. Is suitable.
Since it is configured in this way, the guide member can be attached to the holding portion by sliding from above the holding portion. Therefore, since the direction of the force applied to the guide member when the airbag module is deployed and the direction in which the guide member is attached have an angle, even if a force is applied to the guide member when the airbag module is deployed, the guide member is guided from the mounting port of the guide member. It is possible to prevent the member from coming off and improve the support rigidity.

In this case, the wall portion constituting the front Symbol holder, material is used containing a fiber-reinforced material, pulling the fiber direction of the fiber-reinforced material, by the guide member the holding portion upon deployment of the air bag module It is preferable to follow the direction in which the fiber is used.
Since it is configured in this way, it is possible to prevent the holding portion from being deformed when a force for pulling the guide member is applied when the airbag module is deployed.

In this case, the portion where the front Symbol plate and said flange portion is continuous, fillet portions are formed, the fillet portion of the holding portion, thicker than the fillets of a portion other than the holding portion It is preferable that it is formed as a thick portion of.
Since it is configured in this way, it is possible to prevent the holding portion from being deformed when a force for pulling the guide member is applied when the airbag module is deployed.

At this time, the front KiAtsu meat portion, is formed over the vertical direction of the holding portion, it is preferable that is inclined with respect to the plate portion and the flange portion.
Since it is configured in this way, the support rigidity due to the thick portion can be further increased.

In this case, an end portion of the front Symbol guiding member, the terminal shape retaining member for retaining the shape of the end portion is fixed, the regulating portion is preferably the extend so as to cover the terminal shape-retaining member is there.
As described above, 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 regulating portion at the time of assembly.

In this case, an end portion of the lower front Symbol holder, it is preferable that the wall for closing the end portion is formed.
Since it is configured in this way, it is possible to prevent the guide member from falling off from below the holding portion.

It is an external view of the airbag module equipment seat which concerns on one Embodiment of this invention. It is a perspective view of the seat frame of the airbag module equipment seat which concerns on one Embodiment of this invention. FIG. 1 is a sectional view taken along the line AA of FIG. It is a perspective explanatory view which shows the side frame which concerns on one Embodiment of this invention. It is sectional drawing which shows the holding part on the front edge part side which concerns on one Embodiment of this invention. It is a perspective explanatory view which shows the holding part on the front edge part side which concerns on one Embodiment of this invention. It is sectional drawing which shows the holding part on the trailing edge side which concerns on one Embodiment of this invention. It is explanatory drawing which shows the state which the trim cover and the force cloth which concerns on one Embodiment of this invention are sewn together at the break part. It is sectional drawing which shows the holding part on the front edge part side which concerns on other embodiment of this invention. It is sectional drawing which shows the holding part on the trailing edge side which concerns on other embodiment of this invention.

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

The guide member of the present invention is a sheet-like member having less elasticity than the epidermis, and one end is sewn to a broken portion provided in the epidermis or the like where the airbag module is stored to apply a force applied when the airbag is deployed. The airbag module and other members are connected so that the force cloth that transmits to the broken part to promote the deployment of the airbag and other members such as the cushion pad are not damaged by the force associated with the expansion of the airbag when the airbag is deployed. Includes airbags placed between them.
Further, the present invention is preferably used for a side frame made of resin as an example of a seat frame, but it can also be applied to a side frame made of another material such as metal.
In the present specification, "integrally formed and prepared" includes a case where a resin is poured into an integral mold to integrally mold a member, and a case where a metal member is integrally formed by processing such as bending. ..
Hereinafter, the airbag module equipment seat according to the embodiment of the present invention will be described with reference to FIGS. 1 to 10.

FIG. 1 is an external view of an airbag module equipment seat 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. FIG. 3 is a cross-sectional view taken along the line AA of FIG. FIG. 4 is a perspective explanatory view showing a side frame according to an embodiment of the present invention. FIG. 5 is a cross-sectional explanatory view showing a holding portion on the front edge portion side according to the embodiment of the present invention. FIG. 6 is a perspective explanatory view showing a holding portion on the front edge portion side according to the embodiment of the present invention. FIG. 7 is a cross-sectional explanatory view showing a holding portion on the trailing edge portion side according to the embodiment of the present invention. FIG. 8 is an explanatory view showing a state in which the trim cover and the force cloth according to the embodiment of the present invention are co-sewn at the broken portion. FIG. 9 is a cross-sectional explanatory view showing a holding portion on the front edge portion 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 portion side according to another embodiment of the present invention.

As shown in FIG. 1, the airbag module equipment seat according to the present embodiment is composed of a seat back S1, a seating portion S2, and a headrest S3.
A seat frame F as shown in FIG. 2 is provided in the vehicle seat S. The seat frame F is an airbag mounting member to which an airbag is mounted, and is composed of a seat back frame 1 which is a frame of the seat back S1 and a seating frame 2 which 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 on the outside of the seat back frame 1 and the seating frame 2, so that the seat back S1 and the seating portion S2 are configured.

As shown in FIGS. 1 to 3, the seat back S1 serves as a cover member for covering the seat back frame 1, the cushion pad 5 mounted on the seat back frame 1, and the seat back frame 1 and the cushion pad 5. The trim cover 4, which is the skin, and the first force cloth 31 and the second force cloth 32, one ends of which are sewn to the broken portion 40 of the trim cover 4, are the main components.
As shown in FIGS. 1 and 2, the seat back frame 1 includes a side frame 10 which is arranged apart from each other on the left and right and extends in the vertical direction, an upper frame 21 which connects the upper end portion of the side frame 10, and a lower end. It is formed in a frame shape by a lower frame 22 connecting the portions.
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 made of a resin molded body, and is made of a substantially D-shaped substantially plate body having a curved front end side and a lower portion of the front end protruding 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 inward in a U shape, and an L-shaped rear end portion. The mold has a trailing edge portion 13 that is bent inward. As shown in FIG. 4, a fillet portion 13a raised so that the inner surface has a curved shape is formed on the inner surface of the portion where the side plate 11 and the trailing edge portion 13 are continuous. The front edge portion 12 and the trailing edge portion 13 correspond to the flange portion within the scope of the claims.
As shown in FIGS. 2, 4, and 5, the front edge portion 12 has the end portions of the second force cloth 32 inside at two locations in the extension direction of the front edge portion 12 extending substantially in the vertical direction of the sheet. A holding portion 14 is formed to hold the cloth.

The holding portion 14 has a U-shaped portion 14a in which the front end of the side plate 11 is bent toward the inside of the sheet S in a U-shape, and the holding portion 14 extends from the inner end of the seat S of the U-shaped portion 14a toward the rear of the seat S. The side plate 11 is bent toward the outside of the seat S substantially vertically from the side plate facing portion 14b as the plate portion facing portion consisting of the surfaces facing the side plate 11 and the end portion of the side plate facing portion 14b behind the seat S. A side plate is bent toward the front of the sheet S substantially perpendicularly from the outer end of the sheet S of the first barb 14c and the first barb 14c, which are formed of surfaces having an angle close to perpendicular to the sheet S. It is provided with a second return portion 14d as a regulating portion formed of 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 its end directed toward the U-shaped portion 14a.

As shown in FIG. 5, the tip of the second return portion 14d and the trim plate 37 are chamfered at the corners and formed so as to suppress damage to the second force cloth 32.
Further, as shown in FIG. 5, the trim plate 37 is the outer circumference of the surface perpendicular to the elongated direction of the trim plate 37 due to the end side portion of the second force cloth 32, and is inside the holding portion 14. Almost the entire area of the house is covered. With this configuration, direct contact between the inner surface of the holding portion 14 and the trim plate 37 is suppressed, and the generation of abnormal noise 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 between the side plate facing portion 14b and the second return portion 14d, a first The trim plate 37 on which the second force cloth 32 is sewn can 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, which faces the second return portion 14d, rises toward the inner side of the sheet S and the second return portion 14d, and has a thickness. The thick-walled portion 19 is provided so as to face the second force cloth 32. With such a configuration, the support rigidity of the holding portion 14 is improved. Further, since the thick portion 19 is provided along the second force cloth 32, it also functions as a guide when assembling the second force cloth 32 and the trim plate 37.
Since the front edge portion 12 is located 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 inward of the seat S. Therefore, in the holding portion 14, the side plate facing portion 14b and the second return portion 14d, which are the holding surfaces of the trim plate 37, are arranged along the front-rear direction of the seat S, and become the front end portion of the side frame 10. The front edge portion 12 is prevented from protruding inward of the seat S.

As shown in FIGS. 4 and 6, the upper end 14u and the lower end 14l of the holding portion 14 have end faces having a shape as if the sheet S was cut in the horizontal direction. Further, the U-shaped portion 14a is formed over the entire area in the extension direction of the side frame 10, and does not have an end portion at the upper end 14u and the lower end 14l of the holding portion 14.
The upper end 14u of the holding portion 14 is opened upward, but the lower end 14l of the holding portion 14 is closed by a wall made of a resin material as a lid.
Therefore, 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, in the holding portion 14, in the extension direction of the front edge portion 12, the first return portion 14c protrudes on the front edge portion 12, and the end portion of the second force cloth 32 Since the holding portion 14 which is the mounting position of the trim plate 37 can be easily confirmed, the mounting workability is improved.
Further, at a position slightly above the upper end 14u of the front edge portion 12 and a position slightly below the lower end 14l, a U-shaped portion 14a is formed so as to bulge toward the outside of the curved surface, and the thickness is increased. The thickened portion 17 is provided. With this configuration, the rigidity of the holding portion 14 is improved.

As shown in FIG. 4, the trailing edge portion 13 holds the end portion of the first force cloth 31 inside at one place in the center of the trailing edge portion 13 extending in the vertical direction of the sheet. Holding portion 15 is formed.

As shown in FIG. 7, the holding portion 15 has an L-shaped portion 15a in which the rear end of the side plate 11 is bent toward the inside of the sheet S in an L-shape, and an end portion inside the sheet S of the L-shaped portion 15a. Side plate facing portion 15b as a plate portion facing portion composed of surfaces facing the side plate 11 extending toward the front of the seat S, and substantially perpendicular to the front end of the seat S of the side plate facing portion 15b, to the outside of the seat S. It is provided with a regulating portion formed of a surface substantially perpendicular to the side plate 11 and a return portion 15c as a first return portion, which is bent toward the side plate 11.
The L-shaped portion 15a is formed by laminating a known sheet-shaped CFRP (carbon fiber reinforced plastic) material in which fibers are aligned and hardened in substantially one direction at the time of molding. The fiber direction of the CFRP material is the direction in which a force is applied to the L-shaped portion 15a when the airbag module 6 is deployed, and as shown in FIG. 7, the sheet S is parallel to the surface of the trim plate 33 housed in the holding portion 15. In the width direction.
As shown in FIG. 7, the tip of the return portion 15c and the trim plate 33 are chamfered at the corners to prevent damage to the first force cloth 31.
Further, as shown in FIG. 7, in the trim plate 33, the outer circumference of the surface perpendicular to the elongated direction of the trim plate 33 is covered almost entirely by the portion on the end side of the first force cloth 31. With this configuration, direct contact between the inner surface of the holding portion 15 and the trim plate 33 is suppressed, and the generation of abnormal noise 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 a first force cloth is provided between the L-shaped portion 15a and the return portion 15c. The trim plate 33 on which 31 is sewn can be held in parallel with the L-shaped portion 15a and the return portion 15c.
Since there is a relatively large space around the trailing edge portion 13, the holding portion 15 arranges the L-shaped portion 15a and the return portion 15c, which are the holding surfaces of the trim plate 33, along the width direction of the sheet S. ing.

The terminal of the first force cloth 31 is arranged behind the seat S with respect to the bolt 18. With such a configuration, deterioration of the attachment workability of the terminal and the trim plate 33 of the first force cloth 31 is suppressed. Further, depending on the setting of the positional relationship between the bolt 18 and the terminal and trim plate 33 of the first force cloth 31, the terminal and trim plate 33 of the first force cloth 31 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 15u and the lower end 15l of the holding portion 15 have end faces having a shape as if the sheet S was cut in the horizontal direction. Further, the L-shaped portion 15a is formed over the entire area in the extension direction of the side frame 10, and the upper end 15u and the lower end 15l of the holding portion 15 do not have an end portion.
The upper end 15u of the holding portion 15 is opened upward, but the lower end 15l of the holding portion 15 is closed by 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. With this configuration, in the holding portion 15, the side plate facing portion 15b protrudes on the trailing edge portion 13 in the extension direction of the trailing edge portion 13, and the end portion and trim of the first force cloth 31 are formed. Since the holding portion 15 which is the mounting position of the plate 33 can be easily confirmed, the mounting workability is improved.

Further, the portion of the fillet portion 13a adjacent to the holding portion 15 is a thick portion 13b formed to be thicker than the portion of the other fillet portion 13a. As shown in FIG. 3, the thick portion 13b is arranged so that the cushion pad 5 on the rear side of the seat S faces the recess 5a recessed so that the inside of the seat S recedes rearward of the seat S. With such a configuration, it is possible to prevent the peripheral structure of the thick portion 13b from becoming 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, and from the position adjacent to the lower holding portion 14 to the position adjacent to the holding portion 15. Beads 16 are formed linearly at two locations so as to the extent that the attachment of the first force cloth 31 and the second force cloth 32 is not hindered, and the holding portions 14 and 15 are reinforced. The means for reinforcing the holding portions 14 and 15 is not limited to the bead, and other means for improving the rigidity may be used.

The airbag module 6 is fixed to the side frame 10.
The airbag module 6 of the present embodiment comprises a caseless airbag module having no module case. As shown in FIG. 3, the airbag module 6 includes an inflator 6a, a folded airbag 6b, a retainer 6c for holding the inflator 6a, and a wrap material 6d for wrapping the airbag 6b.
The outer peripheral portion of the inflator 6a is fixed to the retainer 6c and the side frame 10 by a bolt 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 arranged 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 torn when the airbag 6b is deployed.
In the present embodiment, the airbag module 6 is configured from a caseless one, but the present invention is not limited to this, and the airbag module 6 may be configured to include a module case.
As shown in FIG. 3, the cushion pad 5 is formed with a space 7 for storing the airbag module 6.

The trim cover 4 is made of a known material, and as shown in FIG. 8, a front gusset portion 41 covering the left and right bank surfaces from the center of the seat surface and a side gusset portion 42 extending from the peripheral side surface to the back surface are sewn together, and further. The back gusset portion (not shown) is sewn in a bag shape by being openably and closably connected to the side gusset portion 42 by a slide fastener (not shown).
The trim cover 4 has a broken portion 40 formed at a bulging apex on the bank portion of the front gusset portion 41 and the side gusset portion 42. The fractured 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 expansion of the airbag while maintaining the strength that can withstand normal usability. There is.

The first force cloth 31 and the second force cloth 32 are made of a cloth-like material having low elasticity, and play a role of transmitting stress due to expansion of the airbag to the fractured portion 40.
As shown in FIG. 8, the first force cloth 31 is made of a substantially rectangular cloth that is elongated in the direction in which the tensile force is applied, and one end thereof is a broken portion 40, and the front gusset portion 41 and the side gusset portion of the trim cover 4 are gusseted. It is co-sewn with the end of the portion 42 and one end of the second force cloth 32. A trim plate 33 is sewn on the other end of the first force cloth 31.

As shown in FIG. 8, in the second force cloth 32, the side 34 on the side of the broken portion 40 and the side 35 on the opposite side of the broken portion 40 are substantially parallel to each other, and the side 34 on the side of the broken portion 40 is formed long. It consists of a trapezoidal cloth. The side 35 on the opposite side of the broken portion 40 is provided with two mounting portions 36 for mounting the trim plate 37 protruding in a rectangular shape.
The side 34 on the broken portion 40 side of the second force cloth 32 is the broken portion 40 and is co-sewn with the front gusset portion 41 of the trim cover 4, the end portion of the side gusset portion 42, and one end of the first force cloth 31. ing. As shown in FIG. 8, a trim plate 37 is sewn to the attachment portion 36 of the side 35 on the opposite side of the second force cloth 32, respectively.

The trim plates 33 and 37 are rectangular plates made of hard resin. The trim plates 33 and 37 are terminal shape holding members of the force cloth used for holding the shape of the end of the first force cloth 31 and the second force cloth 32. By fixing the trim plates 33 and 37 to the terminals of the first force cloth 31 and the second force cloth 32, the terminals of the first force cloth 31 and the second force cloth 32 are held by the holding portions 14, 15 Workability when inserting into is improved. In the present embodiment, the trim plates 33 and 37 are fixed to the terminals of the first force cloth 31 and the second force cloth 32, but the present invention is not limited to this, and the trim plates 33 and 37 are not used. In addition, the terminals of the first force cloth 31 and the second force cloth 32 are sewn by folding back multiple times, those sewn by winding multiple layers, and those sewn by winding multiple layers in one direction. The crushed material may be inserted into the holding portions 14 and 15.

As shown in FIG. 3, the first force cloth 31 and the second force cloth 32 are drawn into the space 7 from the broken portion 40. The trim plate 33 at the other end of the first force cloth 31 is held by the holding portion 15 of the trailing edge portion 13 of the side frame 10, and the trim plate 37 at the other end of the second force cloth 32 is held by 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 force cloth 32 is attached to the side frame 10 by being housed in the holding portion 14 together with the trim plate 37. At this time, the second return portion 14d of the holding portion 14 is formed longer than the width in the direction perpendicular to the elongated direction of the trim plate 37, and the second return portion 14d covers the trim plate 37. ing.
Further, as shown in FIGS. 3 and 7, the end portion of the first force cloth 31 is attached to the side frame 10 by being housed in the holding portion 15 together with the trim plate 33. At this time, the return portion 15c of the holding portion 15 is formed longer than the width in the direction perpendicular to the elongated direction of the trim plate 33, and the return portion 15c covers the trim plate 33.

The first force cloth 31 and the second force cloth 32 are attached to the side frame 10 by the following procedure.
First, the operator bends the mounting portion 36 of the second force cloth 32 once at the boundary between the trim plate 37 and the mounting portion 36, and overlaps the trim plate 37 and the mounting portion 36 by the width of the trim plate 37.

Next, while holding the trim plate 37 and the mounting portion 36, they are brought into contact with the inside of the curved surface of the front edge portion 12, and are arranged at a position slightly above the upper end 14u of the holding portion 14. The trim plate 37 is then slid downward along the inside of the curved surface of the front edge 12 and inserted into the holding portion 14. The end of the trim plate 37 in the traveling direction abuts on the wall of the lower end 14l of the holding portion 14 and is pushed further downward until it cannot travel further, and the trim plate 37 and the side to which the second force cloth 32 is attached are attached. The connection with the frame 10 is completed.
The same operation is performed for all the mounting portions 36 to complete the mounting of the second force cloth 32 on the side frame 10.

Next, the end portion of the first force cloth 31 is bent once at the boundary between the trim plate 33 and the end portion, and the trim plate 33 and the end portion 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 trailing edge portion 13 and arranged at a position slightly above the upper end 15u of the holding portion 15. The trim plate 33 is then slid downward along the inner surface of the trailing edge 13 and inserted into the holding portion 15. The end of the trim plate 33 in the traveling direction abuts on the wall portion of the lower end 15l of the holding portion 15 and is pushed further downward until it cannot travel further, and the trim plate 33 and the side to which the first force cloth 31 is attached are attached. The connection with the frame 10 is completed.

In the present embodiment, the ends of the first force cloth 31 and the second force cloth 32 are attached to the holding portions 14 and 15 integrally provided on the side frame 10, and a separate body such as a hook or a listing wire is attached. Since no mounting member is used, the number of parts can be reduced, the cost can be reduced, the guaranteed parts can be reduced, and the assembly man-hours can be reduced.
Further, in order to attach the ends of the first force cloth 31 and the second force cloth 32 to the side frame 10 side, it is not necessary to use a separate mounting member such as a hook or a listing wire, and the first force The mounting rigidity of the mounting portion at the end of the cloth 31 and the second force cloth 32 can be improved. As a result, the guidance in the airbag deployment direction when the airbag module 6 is deployed by the ends of the first force cloth 31 and the second force cloth 32 can be made more stable. Further, since the ends of the first force cloth 31 and the second force cloth 32 are attached to the holding portions 14 and 15 integrally provided on the side frame 10, compared with the case where a separate attachment member is used. , Deformation of the attached portion to which the end portions of the first force cloth 31 and the second force cloth 32 are attached is suppressed.

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

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

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 the plane perpendicular to the long direction is an elongated elliptical long direction. The shape is cut near the center of the above, and the end portion is provided with an L-shaped recess 37a'which is recessed in the thickness direction of the trim plate 37', and the portion adjacent to the L-shaped recess 37a' , It is a thin-walled portion 37b'formed thinner than other portions.
The attachment portion 36 of the second force cloth 32 is attached to the thin-walled portion 37b', and the recess 37a'from the holding portion 14'of the trim plate 37' by engaging with the protrusion 14d' during assembly. It is possible to suppress the dropout of.
Since the other configurations of the holding portion 14'are the same as those of the holding portion 14, the description thereof will be omitted.

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

The second wall portion 15c'is formed over the entire length of the side frame 10'in the elongated direction, but the first wall portion 15a'is provided only on the holding portion 15', and the holding portion 15a'is provided. Since the first wall portion 15a'is not provided above and below the 15', the trim plate 33'is placed on the inner surface of the second wall portion 15c'above the holding portion 15'on the front side of the seat S. It can be easily attached to the holding portion 15'by sliding after being brought into contact with the holding portion 15'.
Since the configuration of the trim plate 33'attached to the first force cloth 31 is the same as that of the trim plate 37', the description thereof will be omitted.
The end of the first force cloth 32 is attached to the thin portion 33b'of the trim plate 33', and the recess 33a'holds the trim plate 33' by engaging with the protrusion 15d' at the time of assembly. It is possible to prevent the portion 15'from falling off.
Since the other configurations of the holding unit 15'are the same as those of the holding unit 15, description thereof will be omitted.

S Seat S1 Seatback S2 Seating part S3 Headrest F Seat frame 1 Seatback frame 2 Seating frame 3 Reclining mechanism 4 Trim cover 5 Cushion pad 5a Recess 6 Airbag module 6a Inflator 6b Airbag 6c Retainer 6d Wrap material 7 Space 10 Side frame 11, 11'Side plate 12 Front edge 13 Rear edge 13a Fillet 13b, 17, 19 Thick portion 14, 14', 15, 15' Holding portion 14a U-shaped portion 14a'Rising 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 Opposite side plate Part 15c Return part 15c'Second wall part 16 Bead 18 Bolt 21 Upper frame 22 Lower frame 23 Pillar support 31 First force cloth 32 Second force cloth 33, 33', 37, 37' Trim plate 33a' , 37a'Recess 33b', 37b' Thin-walled part 34 Side on the side of the broken part 35 Side on the opposite side of the broken part 36 Mounting part 40 Broken part 41 Front gusset part 42 Side gusset part

Claims (9)

The side frame provided on the side of the seat and
A plurality of reinforcing portions provided on the side surface of the side frame, separated in the vertical direction, and extending in the front-rear direction,
It has a vertical reinforcing portion provided on the side surface of the side frame and extending in the vertical direction.
The upper and lower reinforcing portions connect the plurality of reinforcing portions, and the upper and lower reinforcing portions are connected to each other.
The airbag module for storing the airbag is attached to the side frame at a height position straddling the plurality of reinforcing portions separated in the vertical direction.
The airbag module faces the plurality of reinforcing portions and the upper and lower reinforcing portions.
The side frame further has a holding portion for attaching and holding a guide member for guiding the deployment direction of the airbag module.
A vehicle seat characterized in that the holding portion is provided at a position where it overlaps with the upper and lower reinforcing portions in the front-rear direction. The vehicle seat according to claim 1, wherein the plurality of reinforcing portions extend in different directions. The vehicle seat according to claim 1 or 2, wherein the distance between the plurality of reinforcing portions is different between the front and the rear. The vehicle seat according to claim 1, wherein the upper and lower reinforcing portions and the plurality of reinforcing portions are continuous. The vehicle seat according to claim 1, wherein the plurality of reinforcing portions are continuous via the upper and lower reinforcing portions. The vehicle seat according to claim 1, wherein the reinforcing portion projects inside the seat. The upper and lower reinforcing portions are provided at the rear end of the side surface of the side frame.
The vehicle seat according to claim 4, wherein the reinforcing portion extends from the rear end to the front end of the side surface of the side frame. It has a plurality of the holding parts and
The vehicle seat according to claim 1, wherein the reinforcing portion is provided between the plurality of holding portions. The side frame provided on the side of the seat and
A plurality of reinforcing portions provided on the side surface of the side frame, separated in the vertical direction, and extending in the front-rear direction,
It has a vertical reinforcing portion provided on the side surface of the side frame and extending in the vertical direction.
The upper and lower reinforcing portions connect the plurality of reinforcing portions, and the upper and lower reinforcing portions are connected to each other.
The airbag module for storing the airbag is attached to the side frame at a height position straddling the plurality of reinforcing portions separated in the vertical direction.
The airbag module faces the plurality of reinforcing portions and the upper and lower reinforcing portions.
The side frame further has a holding portion for attaching and holding a guide member for guiding the deployment direction of the airbag module.
A vehicle seat characterized in that the holding portion is provided at a position where it overlaps with at least a part of the plurality of reinforcing portions in the front-rear direction.

Images