JP2018150040A - Seat equipped with airbag module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat equipped with an airbag module in which operability of attachment of a guide member for guiding a development direction of an airbag is improved, and to provide an assembling method of the same.SOLUTION: There is provided an assembling method of a seat equipped with an airbag module including: a seat back frame equipped with a side frame; a cushion pad; an airbag module attached to the side frame; a trim cover; and a guide member which allows one edge side thereof to be fastened to a breakage part of the trim cover, allows the other edge side thereof to be connected to the side frame and guides a development direction of the airbag module. The assembling method of the seat includes: a guide member connection procedure for connecting the other edge side of the guide member to the side frame; and an airbag module attachment procedure for attaching the airbag module to the side frame.SELECTED DRAWING: Figure 17

Description

  The present invention relates to an airbag module equipment seat in which a guide member that guides a deployment direction of an airbag is disposed between a break portion of a trim cover and a side frame, and an assembling method thereof.

  Conventionally, as a seat in which an air bag module is attached to a side frame of a seat back, a stitched portion of a trim cover is arranged on the front side portion of the seat on the vehicle door side, and at the stitched portion, a terminal of the trim cover and a single end of a force cloth The two sides of the trim cover are cut together to form the break part of the trim cover, and the air bag module is wrapped with two blanks drawn from the break part to the inside of the trim cover, and the tip of the bundling is attached to the side frame side. It has been proposed (for example, Patent Document 1).

  In Patent Document 1, one end of two blanches is sewn to the broken portion, the other end is attached to the side frame, and the entire airbag module is wrapped with the bundling. For this reason, the inflation pressure of the airbag can be efficiently concentrated on the broken portion of the trim cover, and the airbag can be quickly inflated and deployed.

Japanese Patent No. 4454860

  However, in the invention of Patent Document 1, after the airbag module is fixed to the side frame in the seat assembling step, the two blankets are passed through the front and the rear of the airbag module, respectively, and the seat of the airbag module and the side frame. It was pulled inward. And since it was mutually connected inside the seat | sheet of the side frame with the listing wire, it was necessary to perform the connection operation | work of a listing wire in the back which separated the airbag module, and workability | operativity was bad.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide an airbag module equipment sheet with improved workability in attaching a guide member for guiding the deployment direction of the airbag, and its assembly It is to provide a method.

  According to the method for assembling an airbag module equipment seat according to claim 1, the subject is mounted on the seat back frame including a side frame extending along a side portion of the seat, and the seat back frame. A cushion pad, an airbag module attached to the side frame, a trim cover that covers the cushion pad, and one end side of the trim cover are fixed to a rupture portion that is formed to be more fragile than the other parts. An assembly method of an airbag module equipment sheet comprising: a guide member having an end side connected to the side frame and guiding a deployment direction of the airbag module, the other end side of the guide member A guide member connecting procedure for connecting the airbag module to the side frame, and the airbag module. Further comprising an air bag module mounting procedure for mounting the lead frame, and is solved by.

  Thus, in order to provide the guide member connecting procedure for connecting the other end side of the guide member to the side frame, and the airbag module attaching procedure for attaching the airbag module to the side frame, After the other end side of the guide member is connected to the side frame, the airbag module is attached, and the attachment workability of the guide member is improved. That is, as in the case where the airbag module is attached first, the airbag module is not obstructed when the guide member is attached, and it is easy to attach.

At this time, as in claim 2, in the guide member connecting procedure, the other end of the guide member is locked by locking a locking member attached to the other end side of the guide member to the side frame. The side is preferably connected to the side frame.
In this way, by locking the locking member to the side frame, the other end side of the guide member is connected to the side frame, so that the mounting work is simple compared to the case of connecting with a listing wire or the like. High workability.

At this time, it is preferable to perform an upper covering procedure for covering the upper part of the cushion pad with a part of the trim cover before the guide member connecting procedure.
Since it comprises in this way, since a trim cover and a cushion pad are assembled | attached ahead of an airbag module, workability | operativity improves.
Further, since the guide member connecting procedure is performed during the covering operation while sequentially covering the cushion pads with the trim cover, the work area can be made compact and the workability can be improved. Furthermore, it is possible to realize a trim cover that minimizes openings such as fasteners and slits for securing a work area for attaching guide members and the like. For example, a fastener cover and a slitless trim cover can be realized.

At this time, as in claim 4, in the upper covering procedure, in the upper connecting portion disposed above the seat with respect to the upper locking member attached to the upper portion of the other end of the guide member, the trim cover and In the lower connection portion disposed below the seat than the lower locking member attached to the lower portion of the other end of the guide member after the airbag module attachment procedure, the seating surface of the cushion pad is connected. It is preferable to connect the trim cover and the seating surface.
Thus, after connecting the lower part of the seating surface of the trim cover and the cushion pad at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then the trim cover and the cushion pad at the lower connecting portion. Since the lower part of the seating surface is connected, it is possible to fix the trim cover and the guide member sequentially from the upper part of the seat, and the work area is sequentially moved from the upper part to the lower part, improving work efficiency and workability. Is expensive.
Further, when the upper locking member and the lower locking member are attached, the trim cover is fixed to the cushion pad at the upper connecting portion above the seat with respect to the upper locking member. Workability is improved without moving.
Since the trim cover and the cushion pad are connected below the seat after the upper locking member and the lower locking member are attached, the trim cover and the cushion pad are fixed to each other even below the seat of the lower locking member. Further, the connection rigidity between the trim cover, the cushion pad, and the side frame is increased.

At this time, as in claim 5, in the airbag module attachment procedure, the airbag module is disposed through an opening provided on a side surface of the cushion pad so as to face the locking member in the seat width direction. It is preferable to perform a module arrangement procedure and a module fixing procedure for fixing the airbag module inserted in the module arrangement procedure to the side frame.
Thus, since the airbag module is disposed through the opening provided on the side surface of the cushion pad, workability is improved.

At this time, as in claim 6, in the guide member connecting procedure, the upper locking member is locked from the upper part of the cushion pad by the upper locking procedure for locking the upper locking member to the side frame and the trim cover. A center covering procedure for covering the center portion of the cushion pad, which is below the seat and is located above the mounting position of the lower locking member on the side frame, and the lower locking member on the side frame. It is preferable to perform a downward locking procedure for locking.
In this manner, after the upper portion of the guide member is attached by the upper locking member, the center portion is covered with the trim cover, and then the lower portion of the guide member is attached by the lower locking member. The members can be fixed sequentially from the upper side of the seat, and the work area is sequentially moved from the upper side to the lower side, so that the work efficiency is improved and the workability is high.

At this time, when the cushion pad and the trim cover are positioned relative to each other with a positioning member provided above the seat from the upper locking member before the upper locking procedure, as in claim 7. Is preferred.
Since it is configured in this way, the upper locking member that locks the upper locking member to the side frame after the cushion pad and the trim cover are positioned relative to each other by the positioning member above the upper locking member. Since the procedure is performed, when the upper locking member is locked, the cushion pad and the trim cover are positioned relative to each other above the upper locking member, so that workability in the upper locking procedure is improved.
Further, the trim cover and the guide member can be fixed sequentially from the upper side of the seat, and the work area is sequentially moved from the upper side to the lower side, so that the work efficiency is improved and the workability is high.

At this time, as in claim 8, in the upper locking procedure and the lower locking procedure, when the upper locking member and the lower locking member are not covered with the trim cover, the locking member When the central portion is covered so that the upper locking member and the lower locking member are not covered at the rear of the seat in the central covering procedure Is preferred.
With this configuration, after the upper locking procedure, the center covering procedure, and the lower locking procedure are sequentially performed, in the airbag module mounting procedure, at least a part of the upper and lower locking members is visible from the rear of the seat. It becomes possible to attach the airbag module after visually confirming whether or not the upper and lower locking members are properly connected.
Further, at this time, since the upper and lower locking members are connected to a position where at least a part is visible from the rear of the seat, it is possible to perform operations such as turning over the rear portion of the trim cover and the cushion pad. The connected state of the upper and lower members can be easily recognized.

At this time, as in claim 9, in the upper covering procedure and the central covering procedure, it is preferable to cover with a slitless trim cover not provided with a slit.
In this way, since it is covered with a slitless trim cover that does not have slits that need to be closed with fasteners, hook-and-loop fasteners, and buttons, the process of closing the slits can be omitted, and the assembly method of the seat with the airbag module can be reduced by the number of processes. It can be a method with less.

  According to the airbag module equipped seat of claim 10, the subject is a seat equipped with an airbag module for storing an airbag, the seat having a side frame extending along a side portion of the seat. A back frame, a cushion pad placed on the seat back frame, the airbag module attached to the side frame, a trim cover covering the cushion pad, and one end side of the trim cover being another part of the trim cover A guide member that is fixed to the breakage portion formed to be more fragile, the other end side is connected to the side frame, and guides the deployment direction of the airbag module, and discontinuously along the seat vertical direction A connecting member that extends and connects the trim cover and the seating surface of the cushion pad; The guide member is disposed at a position connectable to the side frame prior to the airbag module, and the cushion pad includes an opening for inserting the airbag module on a side surface, and the connection The member includes at least an upper connecting portion disposed above the seat with respect to an upper locking member attached to an upper portion of the other end of the guide member, and a lower portion attached to a lower portion of the other end of the guide member. A lower connecting portion disposed below the seat with respect to the locking member, and the upper connecting portion and the lower connecting portion are each formed independently of other portions of the connecting member. It is solved by.

Since it is configured in this manner, after the trim cover and the seating surface of the cushion pad are connected at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then the trim is performed at the lower connecting portion. By connecting the cover and the seating surface of the cushion pad, it is possible to fix the trim cover and the guide member sequentially from the upper part of the seat, and the work area is sequentially moved from the upper part to the lower part. , Workability is improved.
In addition, since the upper connecting member is provided above the seat with respect to the upper locking member mounted on the upper end of the other end of the guide member, the upper locking member and the lower locking member are more attached than the upper locking member. Since the trim cover is fixed to the cushion pad at the upper connecting portion above the seat, the trim cover does not slide or move with respect to the cushion pad, and workability is improved.
In addition, since the lower connecting portion disposed below the seat is provided below the lower engaging member attached to the lower portion of the other end of the guide member, the trim cover is disposed below the seat after the upper engaging member and the lower engaging member are attached. It is possible to connect the cushion pad with the seating surface, and the trim cover and the cushion pad are fixed to each other even under the seat of the lower locking member, and the connection rigidity between the guide member and the trim cover, the cushion pad, and the side frame is secured. Will increase.

At this time, it is preferable that the trim cover is a slitless trim cover not provided with a slit.
At this time, the trim cover consists of a slitless trim cover that does not have a slit that needs to be closed with a fastener, hook-and-loop fastener, or button, so the process of closing the slit of the trim cover can be omitted, and assembly of the seat with the airbag module The method can be a method with a small number of steps.

At this time, as in claim 12, a locking member is attached to the other end of the guide member, the locking member is attached to the side frame, and the opening extends in the seat width direction. In this case, it is preferable that the contact member is formed at a position facing the locking member.
Since it comprises in this way, the said airbag module can be arrange | positioned through opening, and workability | operativity improves. Further, since the opening is formed at a position facing the locking member in the seat width direction, the mounting position of the locking member and the opening into which the airbag module is inserted face each other, and the work area is narrowed. Thus, workability can be improved.

At this time, as in claim 13, in a state where the lower part of the back surface of the cushion pad is not covered with the trim cover, the locking member is placed on the back surface of the cushion pad and the seat inner surface of the side frame. It is preferable that at least a part of the region is visible from the back side in the enclosed region.
Thus, when the airbag module is attached, at least a part of the upper and lower locking members can be visually recognized from the rear of the seat, and whether or not the upper and lower locking members are appropriately connected. It is possible to attach the airbag module after visual confirmation.
Further, at this time, since the upper and lower locking members are connected to a position where at least a part is visible from the rear of the seat, it is possible to perform operations such as turning over the rear portion of the trim cover and the cushion pad. The connected state of the upper and lower members can be easily recognized.

  According to invention of Claim 1, the guide member connection procedure which connects the said other end side of the said guide member with respect to the said side frame, The airbag module attachment procedure which attaches the said airbag module to the said side frame, Therefore, after connecting the other end side of the guide member to the side frame, the airbag module is attached, so that the workability of attaching the guide member is improved. That is, as in the case where the airbag module is attached first, the airbag module is not obstructed when the guide member is attached, and it is easy to attach.

  According to the invention of claim 2, in order to connect the other end side of the guide member to the side frame by locking the locking member to the side frame, as compared with the case of connecting with a listing wire or the like, Installation work is simple and workability is high.

According to the invention of claim 3, since the trim cover and the cushion pad are assembled before the airbag module, workability is improved.
Further, since the guide member connecting procedure is performed during the covering operation while sequentially covering the cushion pads with the trim cover, the work area can be made compact and the workability can be improved. Furthermore, it is possible to realize a trim cover that minimizes openings such as fasteners and slits for securing a work area for attaching guide members and the like. For example, a fastener cover and a slitless trim cover can be realized.

According to the invention of claim 4, after connecting the lower part of the seating surface of the trim cover and the cushion pad at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then at the lower connecting portion. Since the lower part of the seating surface of the trim cover and the cushion pad is connected, the trim cover and the guide member can be fixed sequentially from the upper part of the seat, and the work area is sequentially moved from the upper part to the lower part. Improves workability.
Further, when the upper locking member and the lower locking member are attached, the trim cover is fixed to the cushion pad at the upper connecting portion above the seat with respect to the upper locking member. Workability is improved without moving.
Since the trim cover and the cushion pad are connected below the seat after the upper locking member and the lower locking member are attached, the trim cover and the cushion pad are fixed to each other even below the seat of the lower locking member. Further, the connection rigidity between the trim cover, the cushion pad, and the side frame is increased.

  According to the invention of claim 5, since the airbag module is arranged through the opening provided on the side surface of the cushion pad, workability is improved.

  According to the sixth aspect of the invention, after the upper portion of the guide member is attached by the upper locking member, the center portion is covered with the trim cover, and then the lower portion of the guide member is attached by the lower locking member. The trim cover and the guide member can be fixed sequentially from the upper side of the seat, and the work area is sequentially moved from the upper side to the lower side, so that the work efficiency is improved and the workability is high.

According to the seventh aspect of the present invention, the upper locking member that locks the upper locking member to the side frame after the cushion pad and the trim cover are positioned relative to each other above the seat by the positioning member from the upper locking member. Since the procedure is performed, when the upper locking member is locked, the cushion pad and the trim cover are positioned relative to each other above the upper locking member, so that workability in the upper locking procedure is improved.
Further, the trim cover and the guide member can be fixed sequentially from the upper side of the seat, and the work area is sequentially moved from the upper side to the lower side, so that the work efficiency is improved and the workability is high.

According to the invention of claim 8, after the upper locking procedure, the center covering procedure, and the lower locking procedure are sequentially performed, in the airbag module mounting procedure, at least a part of the upper and lower locking members is visually recognized from the rear of the seat. It becomes possible to attach the airbag module after visually confirming whether or not the upper and lower locking members are properly connected.
Further, at this time, since the upper and lower locking members are connected to a position where at least a part is visible from the rear of the seat, it is possible to perform operations such as turning over the rear portion of the trim cover and the cushion pad. The connected state of the upper and lower members can be easily recognized.

  According to the ninth aspect of the invention, since it is covered with a slitless trim cover that does not have a slit that needs to be closed with a fastener, a hook-and-loop fastener, or a button, the step of closing the slit can be omitted, and the assembly of the seat with the airbag module is possible. The method can be a method with a small number of steps.

According to the invention of claim 10, after the trim cover and the seating surface of the cushion pad are connected at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then the trim is performed at the lower connecting portion. By connecting the cover and the seating surface of the cushion pad, it is possible to fix the trim cover and the guide member sequentially from the upper part of the seat, and the work area is sequentially moved from the upper part to the lower part. , Workability is improved.
In addition, since the upper connecting member is provided above the seat with respect to the upper locking member mounted on the upper end of the other end of the guide member, the upper locking member and the lower locking member are more attached than the upper locking member. Since the trim cover is fixed to the cushion pad at the upper connecting portion above the seat, the trim cover does not slide or move with respect to the cushion pad, and workability is improved.
In addition, since the lower connecting portion disposed below the seat is provided below the lower engaging member attached to the lower portion of the other end of the guide member, the trim cover is disposed below the seat after the upper engaging member and the lower engaging member are attached. It is possible to connect the cushion pad with the seating surface, and the trim cover and the cushion pad are fixed to each other even under the seat of the lower locking member, and the connection rigidity between the guide member and the trim cover, the cushion pad, and the side frame is secured. Will increase.

  According to the eleventh aspect of the present invention, the trim cover is formed of a slitless trim cover that does not have a slit that needs to be closed with a fastener, a hook-and-loop fastener, or a button, and therefore, the step of closing the slit of the trim cover can be omitted. The method of assembling the module equipment sheet can be a method with a small number of steps.

  According to invention of Claim 12, the said airbag module can be arrange | positioned through opening, and workability | operativity improves. Further, since the opening is formed at a position facing the locking member in the seat width direction, the mounting position of the locking member and the opening into which the airbag module is inserted face each other, and the work area is narrowed. Thus, workability can be improved.

According to the invention of claim 13, when the airbag module is attached, at least a part of the upper and lower locking members can be visually recognized from the rear of the seat, and whether or not the upper and lower locking members are appropriately connected. It is possible to attach the airbag module after visual confirmation.
Further, at this time, since the upper and lower locking members are connected to a position where at least a part is visible from the rear of the seat, it is possible to perform operations such as turning over the rear portion of the trim cover and the cushion pad. The connected state of the upper and lower members can be easily recognized.

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. 1, Comprising: It is explanatory drawing which shows the state which connected the bedding to the side frame via the attachment member which concerns on one Embodiment of this invention. It is an appearance perspective view of a cushion pad concerning one embodiment of the present invention. It is explanatory drawing which shows the back surface of the trim cover which concerns on one Embodiment of this invention. It is a perspective view of the attachment member concerning one embodiment of the present invention. It is a bottom view of the attachment member concerning one embodiment of the present invention. It is a section explanatory view showing the state where a blanket was connected to a side frame via an attachment member concerning one embodiment of the present invention. It is AA sectional drawing of FIG. 1, Comprising: It is explanatory drawing which shows the state which attached the attachment member to the side frame which concerns on other embodiment of this invention. It is explanatory drawing which shows the state which applied the upper end of the trim cover which concerns on one Embodiment of this invention to the upper end surface of the cushion pad. It is explanatory drawing which shows the state when hanging a trim cover above the front side of a cushion pad. It is explanatory drawing which shows the state which suspended the trim cover above the back side of a cushion pad. It is explanatory drawing which shows the state which attached the upper attachment member to the side frame. It is front explanatory drawing which shows the state coat | covered with the trim cover to the center part of the side frame. It is side surface explanatory drawing which shows the state coat | covered with the trim cover to the center part of the side frame. It is side surface explanatory drawing which has arrange | positioned the airbag module in the space provided in the side part of the cushion pad. It is explanatory drawing which shows the state which looked at the attachment member attaching part from the sheet | seat back side at the time of airbag module attachment. It is an example in which a trim cover is provided with a slit, and is an explanatory view showing a state in which the seat back is viewed from the back side of the seat.

Hereinafter, an airbag module equipment sheet and an assembling method thereof according to an embodiment of the present invention will be described with reference to FIGS.
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. FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1, and is an explanatory diagram illustrating a state in which a webbing is connected to a side frame via an attachment member according to an embodiment of the present invention. FIG. 4 is an external perspective view of a cushion pad according to an embodiment of the present invention. FIG. 5 is an explanatory view showing the back surface of the trim cover according to the embodiment of the present invention. FIG. 6 is a perspective view of an attachment member according to an embodiment of the present invention. FIG. 7 is a bottom view of the mounting member according to the embodiment of the present invention. FIG. 8 is an explanatory cross-sectional view showing a state in which a webbing is connected to a side frame via an attachment member according to an embodiment of the present invention. FIG. 9 is a cross-sectional view taken along the line AA of FIG. 1 and is an explanatory view showing a state in which an attachment member is attached to a side frame according to another embodiment of the present invention. FIG. 10 is an explanatory diagram illustrating a state in which the upper end of the trim cover according to the embodiment of the present invention is applied to the upper end surface of the cushion pad. FIG. 11 is an explanatory view showing a state when the trim cover is suspended above the front side of the cushion pad of the present invention. FIG. 12 is an explanatory view showing a state in which the trim cover is suspended above the back side of the cushion pad of the present invention. FIG. 13 is an explanatory view showing a state in which the upper attachment member is attached to the side frame of the present invention. FIG. 14 is an explanatory front view showing a state in which the center portion of the side frame of the present invention is covered with a trim cover. FIG. 15 is an explanatory side view showing a state in which the center portion of the side frame of the present invention is covered with a trim cover. FIG. 16 is an explanatory side view in which an airbag module is arranged in a space provided in the side portion of the cushion pad of the present invention. FIG. 17 is an explanatory view showing a state in which the attachment member attachment portion is viewed from the back side of the seat when the airbag module is attached. FIG. 18 is an explanatory view showing a state in which the trim cover is provided with a slit and the seat back is viewed from the back side of the seat.

As shown in FIG. 1, the vehicle seat S as 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 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 includes a seat back frame 1, a cushion pad 5 disposed on the front and side of the seat back frame 1, and a trim that covers the seat back frame 1 and the cushion pad 5. The main component is the cover 4 and the webbing 32 having one end sewn to the breakage 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 by pressing a sheet metal, and is formed of a substantially plate body that is curved so that the lower width is wider than the upper one. As shown in FIG. 2, the substantially flat side plate 11, the front edge portion 12 formed by folding the front end portion of the side plate 11 inwardly in a U shape, and the rear end portion bent inward in an L shape. And a rear edge portion 13.
As shown in FIG. 2, the rear edge portion 13 includes a wide portion 13 w that becomes wider toward the inside of the seat at the lower end.
The side frame 10 has a locking portion 15 having locking holes for locking both ends of a pair of erection members 25 made of S springs that support the occupant from the rear, and a pair of mountings for mounting the mounting members 50. A hole 16 and a bolt hole 17 for attaching the airbag module 6 are provided.

As shown in FIG. 2, a pair of the locking portions 15 are provided on the side plates 11 of the left and right side frames 10, and the upper locking portions 15 are positioned close to the rear edge portion 13 at the lower locking portions 15. Is provided at a position closer to the front edge portion 12 than the upper locking portion 15.
As shown in FIG. 2, a pair of mounting holes 16 are provided in the side plates 11 of the left and right side frames 10, respectively, between the front edge portion 12 and the rear edge portion 13 of the side plate 11, and in the front edge portion 12. It is provided as a vertically long rectangular hole along the front edge 12 at a close position.
The upper mounting hole 16 is formed in front of and below the seat with respect to the upper locking portion 15 and above the seat with respect to the lower locking portion 15. The lower mounting hole 16 is formed in front of the seat with respect to the lower locking portion 15.
Each mounting hole 16 is formed in front of the bolt hole 17, the upper mounting hole 16 is formed above the bolt hole 17, and the lower mounting hole 16 is formed below the bolt hole 17. . The bolt hole 17 is disposed at a position sandwiched between the upper and lower mounting holes 16 in the vertical direction.

As shown in FIG. 3, the airbag module 6 is fixed to the side frame 10 on the outer surface of the seat.
The airbag module 6 of the present embodiment is a caseless airbag module that does not have a module case. As shown in FIG. 3, the airbag module 6 includes an inflator 6a, a folded airbag 6b, a retainer 6c that holds the inflator 6a, and a wrap material 6d that wraps the airbag 6b.
The outer peripheral portion of the inflator 6a is fixed to the retainer 6c and the side frame 10 by bolts 18 erected toward the inside of the seat S. The bolt 18 is fastened to the bolt hole 17 in FIG.
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.

The cushion pad 5 is a member that can elastically support an occupant by forming a seat outer shape, and a flat planar member 5L formed of a nonwoven fabric or the like is provided on the back surface of a foamed molded body 5F of a foamed resin such as polyurethane foam. It is formed by bonding.
As shown in FIGS. 3 and 4, the cushion pad 5 includes a front pad portion 5 </ b> A disposed in front of the seat back frame 1 and a side pad portion 5 </ b> B disposed on the side of the side frame 10 as one body. Is formed. An opening 8 through which the webbing 32 is inserted is formed in the side pad portion 5B, and a space 7 for storing the airbag module 6 is formed by the opening 8.

The front pad portion 5A has a substantially plate shape and forms the outer shape of the front surface of the seat back S1 in FIG. The front pad portion 5A is located at the center in the seat width direction, and the seat portion 5c that supports the upper back of the occupant, and the bank portion that is located on both sides of the seat portion 5c in the seat width direction and supports the occupant's upper body side portion. 5d.
As shown in FIGS. 3 and 4, the bank portion 5 d is located at the front of the seat rather than the seat portion 5 c so that the opposite end of the seat portion 5 c of the bank portion 5 d is positioned in front of the seat relative to the end portion on the seat portion 5 c side. Projects outward.
A hanging groove 5m for hanging and connecting the wire 41m attached to the back surface of the trim cover 4 is formed along the seat width direction above the center of the seating portion 5c. The illustrated hanging wire is provided. Also, the boundary between the seat portion 5c and the bank portion 5d along the seat up-down direction, upholstered grooves 5n for connecting hanging wires 41n ₁ ~ ₃ which is attached to the trim cover 4 back surface is formed, A suspension wire (not shown) is provided in the suspension groove 5n.

  As shown in FIGS. 3 and 12, the portion of the planar member 5 </ b> L that constitutes the seating portion 5 c is configured to be substantially flat so as to come into contact with the erection member 25 that is laid between the side frames 10.

Further, on the rear surface of the planar member 5L front pad portion 5A of the cushion pad 5, as shown in FIG. 12, the groove _5p 1, 5p ₂ hanging for coupling narrowing suspended wires _43m 1, 43m ₂ is formed A suspension wire (not shown) is provided in the suspension grooves 5p ₁ and 5p ₂ .
The suspending grooves 5p ₁ and 5p ₂ extend linearly along the sheet width direction, and are provided independently and discontinuously so as to be placed on the same straight line with a predetermined interval. Yes.

The hanging grooves 5p ₁ and 5p ₂ are located in the seat vertical direction near the upper end of the airbag module 6 mounting position and near the upper end of the opening 8, for example, slightly below the upper end of the airbag module 6 mounting position. It is provided at a position slightly below the upper end of the opening 8.

As shown in FIG. 3, the portion constituting the bank portion 5 d of the planar member 5 </ b> L has an end on the seat center side continuous to the portion constituting the seating portion 5 c of the planar member 5 </ b> L. A front inclined portion 5g that bends outward from the center end and extends obliquely outwardly from the front, and a side that bends outward from the front end of the front inclined portion 5g and extends laterally to the seat And an extending portion 5h.
The boundary portion between the front inclined portion 5g and the side extending portion 5h is bent and is configured to abut against the seat inner end portion of the front edge portion 12 of the side frame 10 at the time of assembly.
The outer end portion in the sheet width direction of the bank portion 5d of the front pad portion 5A is bent rearward of the seat and is continuous with the side surface pad portion 5B that forms the outer shape of the seat side portion.

The side pad portion 5B shown in FIGS. 3 and 4 includes a side portion 5i forming the outer shape of the side portion of the seat back S1, and a back portion 5j extending from the rear end of the side portion 5i toward the inside of the seat. Yes.
A space 7 is formed in the side portion 5i. The space 7 is a substantially rectangular parallelepiped through-hole penetrating the side portion 5i in the seat width direction along the outer shape of the airbag module 6. The space 7 is used for storing the airbag module 6 and includes an opening 8 that is open toward the outside in the seat width direction.
Further, the space 7 is also used as a passage for drawing the webbing 32 from the fractured portion 40 of the trim cover 4 toward the side frame 10 as shown in FIG.
In the present embodiment, the front pad portion 5A and the side pad portion 5B are configured as a continuous integrated shape, but the present invention is not limited to this, and the front pad portion 5A and the side pad portion 5B are configured as separate bodies. May be.

As shown in FIG. 3, the side surface pad portion 5B is arranged so that a portion constituting the back portion 5j of the planar member 5L is in contact with the surface of the airbag module 6 on the seat rear side.
The end of the back side 5j of the side pad part 5B is inclined so that the front inner side of the seat is cut obliquely, the inner end of the seat is rearward, and the outer end of the seat is frontward. A surface 5k is provided.

The trim cover 4 is made of a known material, and as shown in FIGS. 3 and 5, a front gusset portion 41 that encloses the left and right bank portions 5d from the seating portion 5c at the center of the seat surface and a side surface from the peripheral side surface to the back surface. The gusset portion 42 is sewn together, and the rear gusset portion 43 shown in FIG. 12 is sewn to the end portion of the side gusset portion 42 on the opposite side of the front gusset portion 41, so that the lower part of the seat is sewn into a bag shape. Yes.
As shown in FIG. 5, the trim cover 4 is formed of a bag-like body that is closed on the upper side of the seat and opened on the lower side of the seat. A pair of pillar insertion holes 45 for inserting a headrest pillar (not shown) along the sheet width direction is provided in the bag portion above the trim cover 4.
The front gusset portion 41 is formed by stitching a seat portion gusset portion 41c covering the seat portion 5c and a bank portion gusset portion 41d covering the bank portion 5d with a stitching portion 46.

  As shown in FIG. 5, a wire 41 m is provided on the back surface of the front gusset portion 41 along the seat width direction at a position about 1/3 from the upper end of the front pad portion 5 </ b> A of the cushion pad 5. The wire 41m is a straight wire, and is used for suspending by being connected to a suspending wire (not shown) in the suspending groove 5m of the front pad portion 5A by a C ring.

Further, on the bank part gusset part 41d side of the stitching part 46 between the seating part gusset part 41c and the bank part gusset part 41d covering the bank part 5d, wires 41n ₁ , ₂ , ₃ are provided along the stitching part 46. Is provided. Each of the wires 41n ₁ , ₂ and ₃ is a straight wire, and is arranged at a position below the wire 41m at a position below the sheet so as to be placed on the same line. The wires 41 n ₁ , ₂ , ₃ are disposed independently of each other and discontinuously. The wires 41 n ₁ , ₂ , ₃ are used to hang by being connected to a suspending wire (not shown) in the suspending groove 5 n of the front pad portion 5 A by a C ring.
Further, a pair of left and right wires 41n ₁ , ₂ and ₃ are provided at positions corresponding to the hanging grooves 5n provided on the left and right sides of the front pad portion 5A.

When the vehicle seat S is assembled, the uppermost wire 41n ₁ is above the seat above the upper mounting hole 16, and the lowermost wire 41n ₃ is the lower mounting hole when the vehicle seat S is assembled. 16 is provided below the seat.
As shown in FIGS. 3 and 5, a stitched portion 44 of a front gusset portion 41 and a side gusset portion 42 is disposed at a position facing the bulging vertex of the bank portion 5d in FIG. A broken portion 40 is formed along the line. The breaking portion 40 is sewn to each other so that the ends of the front gusset portion 41 and the side gusset portion 42 can be torn by the tensile force due to the inflation of the airbag while maintaining the strength that can withstand normal usability. Yes.
As shown in FIG. 12, suspension connection wires 43 m ₁ and 43 m ₂ are fixed at positions of about ¼ to ３ from the upper surface of the rear surface of the rear surface gusset portion 43 of the trim cover 4. The wires 43m ₁ and 43m ₂ extend linearly along the sheet width direction, and are provided independently and discontinuously so as to be placed on the same straight line at a predetermined interval from each other. .
The wires 43m ₁ and 43m ₂ are located near the upper end of the airbag module 6 attachment position and near the upper end of the opening 8, for example, slightly below the upper end of the airbag module 6 attachment position and slightly above the upper end of the opening 8. Is provided at a lower position.

As shown in FIG. 5, the webbing 32 is sewn to the breakage portion 40.
The force cloth 32 is made of a cloth-like material with small stretchability, and plays a role of transmitting stress due to the inflation of the airbag to the breaking portion 40. The force cloth 32 corresponds to the guide member in the claims.

As shown in FIG. 5, the force cloth 32 is made of a cloth having a substantially almond shape or a substantially rugby ball shape in which a pair of arcs face each other. A pair of mounting portions 36 for mounting the trim plate 37 projecting in a rectangular shape are provided on both sides of the side 35 facing the breaking portion 40.
The trim plate 37 is a rectangular plate made of hard resin. The trim plate 37 is used to maintain the shape of the end of the attachment portion 36 of the webbing 32. Since the trim plate 37 is fixed to the end of the force cloth 32, workability when the end of the force cloth 32 is inserted into the holding space 59 is improved. In the present embodiment, the trim plate 37 is fixed to the attachment portion 36 of the force cloth 32, but the present invention is not limited to this, and the end of the attachment portion 36 of the force cloth 32 is not limited to this. Insert into the holding space 59 of the mounting member 50 what has been sewed in multiple turns, sewed by winding in multiple layers, or crushed in one direction by winding in multiple layers. May be.

As shown in FIG. 3, the force cloth 32 is drawn into the space 7 from the breaking portion 40. The trim plate 37 fixed to the attachment portion 36 of the force cloth 32 is engaged with the attachment hole 16 of the side frame 10 via the attachment member 50.
The force cloth 32 is made of a color different from the color of the inner surface of the side plate 11 of the side frame 10, for example, a color having different brightness, saturation, and hue. In particular, it is preferable that the side plates 11 are formed of colors having different brightness values, and the side plate 11 is often formed of a silver or brown-colored steel plate. Therefore, the webbing 32 has a white color or a yellow color such as white. Etc.
Moreover, the color of the holding | maintenance part 51 may be comprised with a fluorescence color, and it shape | molds using the resin which mixed the phosphorescent pigment, and you may comprise so that it may have afterglow.
In the present embodiment, the guide member for guiding the deployment direction of the airbag 6b is provided only with the inner side webbing 32, but along the outer side and the rear side surface of the airbag module 6 from the breaking portion 40. In this case, an outer bundling (not shown) that extends from the rear of the seat to the inside of the seat and is engaged with the rear edge portion 13 of the side frame 10 may be provided.

The mounting member 50 is integrally molded from a hard resin, and as shown in FIG. 6, a holding part 51 having a shape in which a periphery of one side of the hollow rectangular parallelepiped is cut out, and a reverse side of the cut out side of the holding part 51. And a plate-like flange portion 52 continuously projecting from the side and projecting in all directions.
The holding portion 51 includes a front wall 53, a horizontal wall 54, a rear wall 55, a horizontal wall 56, a ceiling wall 57 that stands vertically from the end of the front wall 53 on the opposite side to the flange portion 52, and a horizontal wall. A partition wall 58 that bridges the wall 54 and the horizontal wall 56 and is parallel to the front wall 53 and the rear wall 55 is provided.
A space surrounded by the front wall 53, the horizontal wall 54, the rear wall 55, the horizontal wall 56, and the top wall 57 is a holding space 59 for locking the trim plate 37 inside. The holding space 59 is divided by a partition wall 58 into a front space 59a and a rear space 59b.
When the attachment member 50 is attached to the right side frame 10 of the seat S, the horizontal wall 54 is located above and the horizontal wall 56 is located below, and the attachment member 50 is attached to the left side frame 10 of the seat S. When the horizontal wall 54 is used, the horizontal wall 54 is positioned below and the horizontal wall 56 is positioned above.

As shown in FIG. 6, the horizontal wall 54 and the horizontal wall 56 have a substantially L-shaped shape in which one corner of a rectangle is cut out.
Further, as shown in FIG. 6, the center of the top wall 57 in the up-down direction has a shape that is cut back to the front wall 53.
The notched portions of the horizontal wall 54, the horizontal wall 56, and the top wall 57 form a substantially T-shaped opening as a whole, and the force cloth 32 and the trim plate that are locked in the holding space 59 through the opening. 37 is visible. Further, the opening allows the mounting member 50 to be formed by two molds from the holding portion 51 side and the flange portion 52 side.

A slit 55 s is formed at the center of the rear wall 55 in the vertical direction. The slit 55s is continuous with the slit 52s provided at the center of the rear portion of the flange portion 52, and the rear wall 55 and the rear portion of the flange portion 52 are divided into two at the center by the slits 55s and 52s. ing. The slits 55 s and 52 s are used for inserting the webbing 32 into the holding space 59.
On the outer surface of the rear wall 55 on the rear side of the sheet, as shown in FIG. 6, protrusions 60 are formed on both sides of the slit 55s.
In the protrusion 60, the surface 60 a on the flange portion 52 side forms an angle close to a right angle with respect to the rear wall 55, and the surface 60 b on the opposite side of the flange portion 52 forms a small acute angle with respect to the rear wall 55. It has a substantially triangular prism shape. The distance between the surface 60a and the flange portion 52 is formed to be the same as or slightly larger than the thickness of the attachment hole 16 of the side frame 10. The surface 60 a is a surface facing the flange portion 52, and the edge of the attachment hole 16 is sandwiched between the surface 60 a and the flange portion 52, and the attachment member 50 is prevented from coming off from the attachment hole 16. It is possible.

As shown in FIGS. 6 and 7, the partition wall 58 and the front wall 53 are connected by a bridging portion 61 at an end portion outside the seat. The bridging portion 61 is provided as a short strip-like portion at the center in the vertical direction of the partition wall 58 and the front wall 53, and forms the same surface as the surface of the flange portion 52. The width of the bridging portion 61 in the vertical direction of the sheet is formed to be smaller than the width of the notch portion provided in the center of the top wall 57, and the mounting member is divided into two parts from the holding portion 51 side and the flange portion 52 side. 50 can be molded. The bridging portion 61 serves as a retaining member that prevents the trim plate 37 and the end portion of the webbing 32 inserted into the holding space 59 from slipping out of the holding space 59.
A protrusion 57a protruding toward the front space 59a is provided at the tip of the inner surface of the top wall 57 on the rear wall 55 side. The protrusion 57a is pulled out of the front space 59a when the trim plate 37 inserted in the front space 59a receives a pulling force out of the front space 59a via the power cloth 32 when the airbag 6b is inflated. It serves as a retaining mechanism that suppresses

  The projection 57a has a surface on the outer side of the front space 59a which is a flat surface continuous from the tip of the top wall 57, and has a substantially L-shaped bowl-shaped step on the surface on the front space 59a side. 37 can be inserted into the front space 59a by the force of a human hand, but when a force is applied to pull out the trim plate 37 from the front space 59a, the end of the trim plate 37 is locked by a step. The trim plate 37 is not easily pulled out from the front space 59a.

The holding portion 51 is made of a color different from the color of the inner surface of the side plate 11 of the side frame 10, for example, a color having different brightness, saturation, and hue. In particular, it is preferable to be configured from colors having different lightness, and the side plate 11 is often formed from silver or a steel plate with a brown color, so that the holding portion 51 is configured from white, yellow, or the like, for example, white. The
Moreover, the color of the holding | maintenance part 51 may be comprised with a fluorescence color, and it shape | molds using the resin which mixed the phosphorescent pigment, and you may comprise so that it may have afterglow.

The flange portion 52 has a flat plate shape including a contact surface 52a that contacts the side frame 10 and a pressing surface 52b on the back side of the contact surface 52a. The contact surface 52a is a flat surface, and the pressing surface 52b forms a curved surface 52c whose peripheral edge is curved toward the contact surface 52a so that the end of the contact surface 52b intersects the end of the contact surface 52a. ing.
The flange portion 52 is formed so that the front portion of the flange portion 52 is longer than the rear portion, and a force is applied to the boundary portion between the side plate 11 and the front edge portion 12 of the side frame 10 when assembled to the side frame 10. It is possible to suppress the cloth 32 from being damaged by contact.

FIG. 8 shows a cross-sectional view of the state in which the end portion of the force cloth 32 is attached to the side plate 11 of the side frame 10 via the attachment member 50.
The mounting member 50 has a long formed portion of the flange portion 52 forward, and the outer surface of the end portion on the flange portion 52 side of the holding portion 51 is brought into contact with the inner surface of the mounting hole 16 of the side frame 10. 16 is inserted. At this time, the edge of the rear portion of the mounting hole 16 is sandwiched between the flange portion 52 and the protrusion 60.
As described above, since the mounting member 50 is inserted through the mounting hole 16, the mounting position of the mounting member 50 in the up and down direction can be easily regulated by the contact surface between the mounting hole 16 and the mounting member 50. The pulling direction of the force cloth 32 suppresses the force cloth 32 from contacting the end portion of the side frame 10.

The trim plate 37 is held in the front space 59a with the trim plate 37 facing the front surface of the partition wall 58 in a state where the trim plate 37 is stitched to the end portion of the force cloth 32. The end portions of the trim plate 37 and the webbing 32 are in contact with the inner surface of the bridging portion 61.
In this way, the trim plate 37 having rigidity higher than that of the force cloth 32 is fixed to the end portion of the force cloth 32, and the attachment member 50 holds the trim plate 37 in the holding space 59 in the attachment hole 16. Since it is inserted, compared with the case where a hole is made in the force cloth 32 itself and the shaft on the side frame side is inserted and fixed in this hole, the force cloth 32 has a tensile force due to the expansion of the airbag 6b. Durability when received can be improved.

  The flange portion 52 is disposed with the contact surface 52 a in contact with the side plate 11. Further, the pressing surface 52b of the flange portion 52 is pressed by the retainer 6c in a state where the force cloth 32 is sandwiched between the pressing surface 52b and the retainer 6c.

In the present embodiment, the example of the side frame 10 in which the side plate 11 is a flat plate is shown. However, the present invention is not limited to this. For example, as shown in FIG. A step portion 11s provided so as to surround the upper, lower, and rear sides of the seat may be provided.
The step portion 11s is formed of a step portion provided so that only the periphery of the attachment hole 16 protrudes to the inside of the seat, and is continuous in a substantially U-shape that surrounds the upper, lower, and rear sides of the attachment hole 16. .
The step portion 11s is not limited to a substantially U-shape that surrounds the upper, lower, and rear sides of the mounting hole 16, but may extend in a straight line or a curved line in the vertical direction of the seat.
As described above, since the step portion 11s is provided, the attachment member 50 can be arranged on the inner side in the sheet width direction, and can be easily viewed from the back side of the sheet.

Next, the procedure of the method for assembling the seat back S1 in the vehicle seat S as the airbag module equipment seat of the present embodiment will be described.
As shown in FIG. 5, the webbing 32 is previously stitched to the trim cover 4 at the breaking portion 40 of the stitching portion 44 between the front gusset portion 41 and the side gusset portion 42 on the vehicle door side. The trim plate 37 is fixed to the mounting portions 36 provided at two locations.
First, the attachment members 50 are attached to the pair of trim plates 37, respectively.

The connection between the trim plate 37 and the mounting member 50 is performed according to the following procedure.
As shown in FIG. 5, the attachment portion 36 is formed in a band shape. The attachment portion 36 is inserted into the slits 55s and 52s from one side of the two sides of the band-like portion, and is inserted into the rear space 59b. As a result, half of the attachment portion 36 is inserted into a half area of the rear space 59b in FIG. 6 that is divided by the slits 55s and 52s. At this time, the trim plate 37 is positioned on the rear wall 55 side and the end of the attachment portion 36 is positioned on the front wall 53 side.
Of the two sides of the belt-like portion of the attachment portion 36, the remaining one side is also inserted into the rear space 59b through the slits 55s and 52s, and the attachment portion 36 penetrates the rear space 59b in FIG. .

Next, the trim plate 37 is inverted 180 °, the end portion side of the attachment portion 36 is bent toward the front space 59a in FIG. 6, and the trim plate 37 is separated from the gap between the partition wall 58 and the ceiling wall 57. Is inserted into the front space 59a until the tip of the trim plate 37 abuts against the bridging portion 61. The connection between the webbing 32 and the attachment member 50 is thus completed.
As shown in FIG. 2, the installation member 25 is installed on the seat back frame 1. Next, the front pad portion 5A is disposed on the front surface of the seat back frame 1 and the erection member 25, and the back pad portion 5j of the side pad portion 5B is in contact with the rear edge portion 13 of the side frame 10, so that the cushion pad 5 is seated back. Attach to frame 1.

Next, a procedure for covering the cushion pad 5 with the trim cover 4 is performed.
An upper covering procedure for covering the upper portion of the cushion pad 5 is performed on the upper portion of the trim cover 4.
In the upper covering procedure, the trim cover 4 turned upside down as shown in FIG. 5 is covered from the upper end side of the cushion pad 5 as shown in FIG.
FIG. 5 shows a state in which the upper end of the trim cover 4 is applied to the upper end surface of the cushion pad.
As shown in FIG. 5, the upper end of the trim cover 4 is applied to the upper end surface of the cushion pad. A pillar insertion hole 45 formed in the upper part of the trim cover 4 is aligned with a hole for a headrest pillar (not shown) formed in the upper end surface of the cushion pad 5. In this state, a pillar guide 47 for a headrest pillar shown in FIG. 14 is fitted into the pillar insertion hole 45 and a hole (not shown) on the upper end surface of the cushion pad 5, whereby the upper part of the trim cover 4 is mounted on the cushion pad 5. Fix the positioning.

Next, as shown in FIG. 11, the trim cover 4 is pulled down so that the portion of the trim cover 4 above the wire 41 m covers the cushion pad 5. The wire 41m is connected to a suspension wire (not shown) provided in the suspension groove 5m by a C ring (not shown) and suspended.
Also, as shown in FIG. 12, the cushion pad 5 back surface and the trim cover 4 are suspended and connected also on the back surface side of the seat.
In the sheet rear side, the wires _43m 1, 43m _2, the C-ring (not shown) coupled respectively with hanging (not shown) provided in the upholstered groove _5p 1, 5p ₂ wires, performing hanging.

The trim cover 4 is further pulled down, and the left and right wires 41n ₁ provided on the uppermost of the wires 41n ₁ , ₂ and ₃ are connected to the wires (not shown) in the left and right hanging grooves 5n to be hung.
At this time, as shown in FIG. 13, the position of the lower end of the trim cover 4 is slightly above the upper mounting hole 16, and the portion covered by the trim cover 4 at this time is Applies to the top of the range cushion pad.

Thus, when the seat 8 is hung on the front side and the back side in the vicinity of the upper end of the opening 8, most of the opening 8 except the upper end is exposed from the trim cover 4 as shown in FIG. 13. It becomes a state. At this time, the upper and lower mounting holes 16 are also exposed from the trim cover 4.
This completes the top coating procedure.

Next, a guide member coupling procedure for coupling the webbing 32 to the side frame 10 is performed.
In this guide member connecting procedure, first, in the upper locking procedure, the upper mounting member 50 is fitted into the upper mounting hole 16 as shown in FIG. Connect to

Next, in the center covering procedure, the trim cover 4 is further pulled down to the position shown in FIG. 14, and the left and right wires 41n ₂ provided at the center of the wires 41n ₁ , ₂ and ₃ are not connected to the left and right hanging grooves 5n. It is connected to the wire shown and suspended.
At this time, the position of the lower end of the trim cover 4 is slightly above the lower mounting hole 16 as shown in FIGS. Lower attachment hole 16 is exposed from the trim cover 4, a state which is not incorporated hanging the lowermost wire 41n _3.
At this time, a portion excluding the upper portion of the cushion pad 5 among the portions covered with the trim cover 4 corresponds to the central portion of the cushion pad in the claims.

Next, as shown in FIG. 15, the lower mounting member 50 is fitted into the lower mounting hole 16, and the lower part of the end of the webbing 32 is connected to the side frame 10.
Then, the airbag module 6 is attached to the side frame 10 by an airbag module attachment procedure.
In this procedure, in FIG. 15, the lower end of the side gusset portion 42 of the trim cover 4 that covers the side portion 5 i of the side surface pad portion 5 B at that time, and the opening 8 is exposed from the trim cover 4. The air bag module 6 is inserted into the region surrounded by the edge of the existing portion from the end side above the seat and slid toward the upper portion of the seat, and the air bag module 6 is inserted into the space 7 as shown in FIG. To place. At this time, the bolt 18 attached in advance to the airbag module 6 is passed through the bolt hole 17.

Next, a procedure for fixing the airbag module 6 to the side frame 10 is performed by fastening the nut 19 to the bolt 18 from the seat inner side of the side plate 11.
In this procedure, before the nut 19 is fastened, the state of attachment of the webbing 32 and the attachment member 50 is visually confirmed.
When the airbag module 6 is inserted into the space 7 formed by the side plate 11 and the opening 8 of the side frame 10 and viewed from the back side of the seat S in the direction of arrow A in FIG. 11 is exposed from the rear gusset portion 43 and looks as shown in FIG.
The upper and lower mounting holes 16 are provided in the lower part of the side plate 11, above the wide part 13 w and near the bolt hole 17. Therefore, the seat back frame 1 and the cushion pad 5, to a position where elaborate hanging central wire 41n _2, even in a state coated with the trim cover 4 can be confirmed by easily visible from the seat back side.
Since the attachment member 50 and the force cloth 32 are made of white, which is a color different from that of the side plate 11, the attachment member 50 is attached to the upper and lower attachment holes 16 in a state where the ends of the force cloth 32 are connected. It can be easily confirmed visually.

Further, as shown in FIG. 3, the end portion on the seat inner side of the back portion 5j of the side pad portion 5B is provided with the inclined surface 5k. It is easy to see the area surrounded by.
In addition, as shown in FIG. 17, the inclined surface 5 k is formed with a steep angle only in the vicinity of the mounting hole 16 and the bolt 18. Easy to see from the back.
Since the holding portion 51 and the force cloth 32 are made of a color different from the color of the inner surface of the side plate 11, even in a narrow area surrounded by the side plate 11 and the planar member 5L on the back surface of the front pad portion 5A. Easy to see.

When it is confirmed that the attachment member 50 and the webbing 32 are properly attached, the nut 19 is fastened to the bolt 18 to complete the procedure of fixing the airbag module 6 to the side frame 10.
Next, the trim cover 4 is further pulled down, and the left and right wires 41n ₃ provided at the lowermost of the wires 41n ₁ , ₂ and ₃ are connected to wires (not shown) in the left and right hanging grooves 5n. Do. Thereafter, the lower surface processing is performed to complete the seat back S1 shown in FIG. 1 and the procedure of the assembling method of the seat back S1 of the vehicle seat S is completed.

In the above embodiment, the example using the slitless trim cover 4 not provided with the slit is shown, but the present invention is not limited to this, and the side surface on the side where the airbag module 6 is mounted as shown in FIG. A slit 43s' may be provided along the stitched portion between the gusset portion 42 'and the rear gusset portion 43'.
In the example of FIG. 18, the slit 43 s ′ is provided from the lower end of the stitched portion of the side gusset portion 42 ′ and the rear gusset portion 43 ′ to a position about 2/3 of the seat vertical direction. A fastener 43f 'is provided along the slit 43s', and the slit 43s 'can be opened and closed by the fastener 43f'.
The other configurations in FIG. 18 are the same as those in FIGS. 1 to 8 and FIGS.

A Arrow S Vehicle 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 Front pad part 5B Side pad part 5c Seat part 5d Bank part 5F Foam molding body 5g front inclined portion 5h side extending portion 5i side 5j back 5k inclined surfaces 5L planar member _{5m, 5n, 5p 1, 5p} 2 upholstered grooves 6 airbag module 6a inflator 6b airbag 6c retainer 6d wrapper 7 Space 8 Opening 10 Side frame 11 Side plate 11s Step part 12 Front edge part 13 Rear edge part 13w Wide part 15 Locking part 16 Mounting hole 17 Bolt hole 18 Bolt 19 Nut 21 Upper frame 22 Lower frame 23 Pillar support part 25 Construction member 32 Force cloth 35 Side 36 Mounting part 37 G Mupureto 40 breaks 41 front gusset portion 41c seat gusseted portion 41d bank portion gusseted portion _{41m, 41n, 41n 1, 41n} 2, 41n 3, 43m 1, 43m 2 wires 42, 42 'side gusseted portion 43,43' rear gusset Portion 43f 'fastener 43s' slit 44, 46 stitching portion 45 pillar insertion hole 47 pillar guide 50 mounting member 51 holding portion 52 flange portion 52a contact surface 52b holding surface 52c curved surface 52s, 55s slit 53 front wall 54 horizontal wall 55 rear wall 56 Horizontal wall 57 Top wall 57a, 60 Projection 58 Partition wall 59 Holding space 59a Front space 59b Rear space 60a, 60b Surface 61 Bridge portion

The present invention, guide members for guiding the deployment direction of the airbag, relates to an air bag module equipped sheet disposed between the fracture portion and the side frame of the trim cover.

The present invention has been made in view of the above problems, an object of the present invention provides an airbag module fitted sheet workability of attachment of the guide member for guiding the deployment direction of the airbag is improved There is.

According to the airbag module-equipped seat of the present invention, the subject is a seat equipped with an airbag module for storing an airbag, the seat back having a side frame extending along a side portion of the seat A frame, a cushion pad placed on the seat back frame, the airbag module attached to the side frame, a trim cover covering the cushion pad, and one end side of the trim cover from the other part Also fixed to the ruptured portion formed weakly, the other end is connected to the side frame, and the guide member that guides the deployment direction of the airbag module, and discontinuously arranged along the seat vertical direction And a connecting member for connecting the trim cover and the seating surface of the cushion pad. The connecting member may have a lower coupling part arranged on the sheet below the lower engaging member attached to the lower portion of the other end of the guide member, is solved by.

As described above, since the lower connecting portion disposed below the seat is provided rather than the lower engaging member attached to the lower portion of the other end of the guide member, the trim cover and the cushion pad are disposed below the seat after the lower engaging member is attached. The seating surface can be connected, and the trim cover and the cushion pad are fixed to each other even under the seat of the lower locking member, and the connection rigidity between the guide member, the trim cover, the cushion pad, and the side frame is increased.

At this time, it is preferable that the connecting member has an upper connecting portion disposed above the seat with respect to an upper locking member attached to an upper portion of the other end of the guide member.

As described above, since the upper connecting member is provided above the seat with respect to the upper locking member mounted on the upper end of the other end of the guide member, the upper locking member is attached when the upper locking member and the lower locking member are attached. Since the trim cover is fixed to the cushion pad at the upper connecting portion above the seat, the trim cover does not slide or move with respect to the cushion pad, and workability is improved.

At this time, it is preferable that the upper connecting portion and the lower connecting portion are each formed independently of the other portions of the connecting member.

Since it is configured in this manner, after the trim cover and the seating surface of the cushion pad are connected at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then the trim is performed at the lower connecting portion. By connecting the cover and the seating surface of the cushion pad, it is possible to fix the trim cover and the guide member sequentially from the upper part of the seat, and the work area is sequentially moved from the upper part to the lower part. , Workability is improved.

At this time, it is preferable that at least a part of the lower connecting portion is disposed behind the lower locking member.

At this time, it is preferable that the lower connecting portion is disposed on the inner side in the seat width direction than the lower locking member.

At this time, it is preferable that the lower locking member is disposed between the lower connecting portion and the fracture portion in the sheet width direction.

At this time, it has a bolt for fixing the inflator of the airbag module to the side frame, and at least a part of the lower connecting portion is disposed between the lower locking member and the bolt in the seat front-rear direction. It is preferable that

At this time, it is preferable that the lower connecting portion and the lower locking member are disposed with the cushion pad therebetween.

At this time, it is preferable that a pair of the connecting members is provided on the left and right, and a suspension wire is provided along the sheet width direction between the pair of connecting members in the sheet width direction.

At this time, in a state where the lower portion of the back surface of the cushion pad is not covered with the trim cover, the upper locking member and the lower locking member are disposed on the back surface of the cushion pad and the inner surface of the side frame. It is preferable that at least a part of the region is visible from the back side in the enclosed region.

Because it is constructed as this, when the air bag module mounting, at least a portion of the upper and lower locking member is visible from the seat behind, the upper locking member and the lower locking member is suitably coupled It is possible to attach the airbag module after visually confirming whether or not it is present.
The upper side engaging member and the lower engaging member, since at least partially disposed in a position visible from the seat behind, even without operations such as turning the rear portion of the trim cover and the cushion pad, The connected state of the upper and lower members can be easily recognized.

According to the present invention, the trim cover and the cushion are provided below the seat after the lower locking member is mounted because the lower connecting portion is disposed below the seat with respect to the lower locking member mounted to the lower portion of the other end of the guide member. The pad can be connected to the seating surface, and the trim cover and the cushion pad are fixed to each other even under the seat of the lower locking member, and the connection rigidity between the guide member and the trim cover, the cushion pad, and the side frame is increased. Rise.

According to the present invention, since the upper connecting portion is provided above the seat with respect to the upper locking member mounted on the upper end of the other end of the guide member, the upper locking member is attached when the upper locking member and the lower locking member are mounted. Since the trim cover is fixed to the cushion pad at the upper connection portion above the seat with respect to the stop member, the trim cover does not slide or move with respect to the cushion pad, and workability is improved.

According to the present invention, after the trim cover and the seating surface of the cushion pad are connected at the upper connecting portion, the upper locking member and the lower locking member are sequentially fixed, and then the trim cover and the cushion at the lower connecting portion. By connecting with the seating surface of the pad, it becomes possible to fix the trim cover and the guide member sequentially from the upper part of the seat, and the work area is moved from the upper part to the lower part in order to improve work efficiency and workability. Will improve.

According to the present invention, when the airbag module is attached, at least a part of the upper and lower locking members can be visually recognized from the rear of the seat, and whether or not the upper locking member and the lower locking member are appropriately connected. It is possible to attach the airbag module after visual confirmation.
In addition, since the upper locking member and the lower locking member are arranged at a position where at least part of the upper locking member and the lower locking member are visible from the rear of the seat, it is easy to perform operations such as turning the rear portion of the trim cover and the cushion pad. The connection state of the upper and lower members can be visually confirmed.

Claims (13)

A seat back frame having a side frame extending along a side portion of the seat, a cushion pad placed on the seat back frame, an airbag module attached to the side frame, and a trim covering the cushion pad A cover and one end side are fixed to a break portion formed weaker than the other part of the trim cover, and the other end side is connected to the side frame to guide the deployment direction of the airbag module. A method for assembling the airbag module equipment sheet comprising:
A guide member connecting procedure for connecting the other end side of the guide member to the side frame;
An airbag module attachment procedure for attaching the airbag module to the side frame;
A method for assembling a seat equipped with an air bag module.   In the guide member connecting procedure, the other end side of the guide member is connected to the side frame by locking a locking member attached to the other end side of the guide member to the side frame. The method for assembling an airbag module equipment seat according to claim 1.   3. The assembly of the airbag module equipped seat according to claim 1, wherein an upper covering procedure for covering an upper portion of the cushion pad is performed with a part of the trim cover before the guide member connecting procedure. Method. In the upper covering procedure, the trim cover and the seating surface of the cushion pad are connected at the upper connecting portion disposed above the seat with respect to the upper locking member attached to the upper portion of the other end of the guide member. ,
After the airbag module attachment procedure, the trim cover and the seating surface are connected at a lower connection portion disposed below the seat with respect to a lower locking member attached to a lower portion of the other end of the guide member. The method for assembling an airbag module equipment seat according to claim 3. In the airbag module attachment procedure, a module arrangement procedure for arranging the airbag module through an opening provided on a side surface of the cushion pad so as to face the locking member in the seat width direction;
The method for assembling an airbag module equipment seat according to any one of claims 1 to 4, wherein a module fixing procedure for fixing the airbag module inserted in the module arranging procedure to the side frame is performed. In the guide member connecting procedure,
An upper locking procedure for locking the upper locking member to the side frame;
A center covering procedure for covering the center portion of the cushion pad, which is the trim cover and is below the seat from the upper part of the cushion pad and above the mounting position of the lower locking member on the side frame. When,
A lower locking procedure for locking the lower locking member to the side frame;
The method for assembling the airbag module equipment seat according to claim 4 or 5, wherein:   The cushion pad and the trim cover are positioned relative to each other with a positioning member provided above the seat from the upper locking member before the upper locking procedure. How to assemble the seat with the airbag module. In the upper locking procedure and the lower locking procedure, when the upper locking member and the lower locking member are not covered with the trim cover, at least a part of the locking member is visible from the rear of the seat. Connect to the correct position,
The airbag module equipment sheet according to claim 6 or 7, wherein, in the center covering procedure, the center portion is covered so that the upper locking member and the lower locking member are not covered behind the seat. Assembly method.   The method for assembling a seat with an airbag module according to any one of claims 6 to 8, wherein the upper covering step and the central covering step are covered with a slitless trim cover not provided with a slit. A seat equipped with an airbag module for storing an airbag,
A seat back frame having a side frame extending along a side portion of the seat;
A cushion pad placed on the seat back frame;
The airbag module attached to the side frame;
A trim cover covering the cushion pad;
One end side of the trim cover is fixed to a ruptured portion formed to be weaker than the other part, and the other end side is connected to the side frame to guide the deployment direction of the airbag module. When,
A connecting member that extends discontinuously along the seat vertical direction and connects the trim cover and the seating surface of the cushion pad;
The guide member is disposed at a position connectable to the side frame before the airbag module,
The cushion pad has an opening for inserting the airbag module on a side surface,
The connecting member is attached to at least an upper connecting portion disposed above the seat with respect to an upper locking member attached to an upper portion of the other end of the guide member, and a lower portion of the other end of the guide member. A lower connecting portion disposed below the seat with respect to the lower locking member, and the upper connecting portion and the lower connecting portion are each formed independently of other portions of the connecting member. A seat equipped with an air bag module.   The airbag module equipment seat according to claim 10, wherein the trim cover is a slitless trim cover that does not include a slit. A locking member is attached to the other end of the guide member,
The locking member is attached to the side frame,
The airbag module equipped seat according to claim 10 or 11, wherein the opening is formed at a position facing the locking member in the seat width direction.   In a state where the lower part of the back surface of the cushion pad is not covered with the trim cover, the locking member is at least one from the back side in a region surrounded by the back surface of the cushion pad and the inner surface of the side frame. The airbag module equipment sheet according to any one of claims 10 to 12, wherein the portion is arranged in a state in which the portion is visible.

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