JP2020019347A - Vehicle seat - Google Patents

Abstract

To provide a vehicle seat which enables easy attachment of a guide member which guides a deployment direction of an airbag.SOLUTION: A vehicle seat S includes a seat back S1, and the seat back S1 has: a side frame 10 extending in a vertical direction of the vehicle seat S; an airbag module 30 which stores an airbag 32; a guide member 50 which guides a deployment direction of the airbag 32; and an attachment member 60 fixed to the side frame 10. The guide members 50 include bag parts 53a, 55a, 55b at an end part and is attached to the attachment member 60 by the bag parts 53a, 55a, 55b covering a hooked part of the attachment member 60.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a vehicle seat provided with an airbag, and more particularly to a vehicle seat having a guide member attached to a side frame side for guiding a deployment direction of the airbag.

  2. Description of the Related Art A vehicle seat including a side airbag device that protects an occupant by inflating and deploying an airbag provided on a side portion of the vehicle seat at the time of a side collision of the vehicle is known (for example, Patent Documents listed below). 1).

  The vehicle seat described in Patent Literature 1 includes a webbing as a guide member for guiding the deployment direction of the airbag, a hole fixed to a bracket fixed to the side frame, and an end of the webbing is formed in the hole. After passing through the portion, the end of the webbing is sewn to attach the webbing to the bracket.

International Publication No. 2012/035619

  In the above prior art, since the operation of sewing the webbing after passing the webbing as the guide member through the hole of the bracket is necessary, the labor for attaching the webbing to the bracket is large.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle seat in which a guide member that guides a deployment direction of an airbag can be easily attached.

  According to the vehicle seat of the present invention, the object is a vehicle seat including a seatback, wherein the seatback stores a side frame extending in a vertical direction of the vehicle seat and an airbag. An airbag module, a guide member for guiding a deployment direction of the airbag, and an attachment member fixed to the side frame, wherein the guide member has a bag portion at an end, and the bag portion has The problem is solved by being attached to the attachment member by covering the hooked portion of the attachment member.

  In the vehicle seat of the present invention configured as described above, it is possible to mount the mounting member fixed to the side frame so as to cover the hooked portion of the mounting member with the bag provided at the end of the guide member. Therefore, the guide member can be easily attached to the side frame.

Further, in the above configuration, the attachment member may be a wire member, and the hooked portion may be a curved portion formed by bending the wire member.
In the above configuration, since the wire member is used as the attachment member, and the wire member is curved to form the hooked portion, the hooked portion can be formed with a simple configuration, and the hooked portion is covered. The hanging state of the bag portion is stable.

Further, in the above configuration, it is preferable that the attachment member is a plate member, and the hooked portion is a protrusion protruding from the plate member.
In the above configuration, since the plate member is used as the attachment member, and the protruding portion protruding from the plate member is used as the hooked portion, the hooked portion can be formed with a simple configuration, and the bag covering the hooked portion can be formed. The hooking state of the part becomes stable.

Further, in the above configuration, a reinforcing member for reinforcing the mounting member may be provided, and the reinforcing member may extend in a vertical direction of the vehicle seat.
In the above configuration, since the mounting member is reinforced in the vertical direction of the seat, it is possible to prevent the mounting member from being twisted and deformed when the airbag is deployed.

In the above configuration, the guide member may include a first webbing arranged inside the side frame and a second webbing arranged outside the side frame in the width direction of the vehicle seat. Wherein the bag portion of the first webbing is attached to the mounting member from outside the side frame, and the bag portion of the second webbing is attached to the mounting member from inside the side frame. It is good to be attached to.
In the above configuration, the first webbing and the second webbing arranged with the side frame interposed each have a bag portion at an end, and are attached to the mounting member from outside or inside the side frame. When the bag is deployed, the first webbing and the second webbing are prevented from coming off the attachment member.

Further, in the above configuration, the second webbing includes a plurality of the bag portions, and the first webbing is provided between the plurality of the bag portions of the second webbing in the up-down direction of the vehicle seat. It is good that the said bag part is located.
In the above configuration, since the bag portion of the first webbing is positioned between the bag portions of the second webbing in the sheet vertical direction, the state of attachment of the first webbing and the second webbing to the mounting member is stable. It will be.

Further, in the above configuration, the first webbing and the second webbing include a base and an extension extending from the base, and the bag is formed by folding the extension. Good to be.
In the above configuration, since the bag portions of the first webbing and the second webbing are formed by folding back the extending portion, even if the bag portion moves in the opposite direction to the mounting direction, the baggage is not covered. Detachment from the hook portion is suppressed.

According to the vehicle seat of the present invention, the hooked portion of the mounting member fixed to the side frame can be mounted so as to be covered with the bag provided at the end of the guide member, so that the guide is provided. It becomes easy to attach the member to the side frame.
Further, according to the vehicle seat of the present invention, since the wire member is used as the attachment member, and the wire member is curved to form the hooked portion, the hooked portion can be formed with a simple configuration, The locked state of the bag covering the locked portion is stable.
Further, according to the vehicle seat of the present invention, since the plate member is used as the attachment member and the protruding portion projecting from the plate member is used as the hooked portion, the hooked portion can be formed with a simple configuration, and the hooked portion can be formed. The hanging state of the bag portion covering the locking portion is stable.
Further, according to the vehicle seat of the present invention, since the mounting member is reinforced in the vertical direction of the seat, it is possible to suppress the mounting member from being twisted and deformed when the airbag is deployed.
Further, according to the vehicle seat of the present invention, the first webbing and the second webbing arranged with the side frame interposed therebetween each have a bag portion at an end, and are attached from outside or inside of the side frame. Since the first webbing and the second webbing are detached from the mounting member when the airbag is deployed, it is suppressed.
Further, according to the vehicle seat of the present invention, since the bag portion of the first webbing is located between the bag portions of the second webbing in the seat up-down direction, the first webbing and the second webbing are positioned in the same direction. The mounting state with respect to the mounting member becomes stable.
According to the vehicle seat of the present invention, since the bag portions of the first webbing and the second webbing are formed by folding back the extending portions, the bag portions have moved in the opposite direction to the mounting direction. Even in this case, detachment from the hooked portion is suppressed.

1 is an external view of a vehicle seat according to an embodiment of the present invention. It is a perspective view of the seat frame of the vehicle seat concerning one embodiment of the present invention. FIG. 2 is an AA cross-sectional view of FIG. 1 and is an explanatory view showing a state after an outer webbing is attached to an attachment member according to an embodiment of the present invention. It is BB sectional drawing of FIG. 1, Comprising: It is explanatory drawing which shows the state after attaching an inner web to the attachment member which concerns on one Embodiment of this invention. It is explanatory drawing which shows the webbing which concerns on one Embodiment of this invention. It is CC sectional drawing of FIG. 5A, Comprising: It is explanatory drawing which shows the structure of the bag part of webbing. It is a rear view of the seat back frame concerning one embodiment of the present invention. It is an explanatory view showing an attachment member concerning one embodiment of the present invention. It is explanatory drawing which shows the state which attached the webbing with respect to the attachment member which concerns on one Embodiment of this invention. It is an explanatory view showing an attachment member provided in a seat back frame according to a first modification of the embodiment of the present invention. It is an explanatory view showing an attachment member provided in a seat back frame according to a second modification of the embodiment of the present invention. It is an explanatory view showing an attachment member provided in a seat back frame according to a third modification of the embodiment of the present invention. It is an explanatory view showing a mounting member provided in a seat back frame according to a fourth modification of the embodiment of the present invention. It is explanatory drawing which shows the webbing concerning the modification of embodiment of this invention. It is explanatory drawing which shows the state which attached the webbing which concerns on the modification of embodiment of this invention with respect to the attachment member.

  Hereinafter, a configuration of a vehicle seat according to an embodiment of the present invention (hereinafter, this embodiment) will be described with reference to the drawings. However, the embodiments described below are intended to facilitate understanding of the present invention, and do not limit the present invention. That is, the present invention can be changed and improved without departing from the spirit thereof, and the present invention naturally includes equivalents thereof. Further, in the following description, the contents related to the material, shape and size of the seat component are merely one of specific examples, and do not limit the present invention.

  As the vehicle seat according to the present embodiment, a vehicle seat mounted on a vehicle will be described as an example, but is not limited thereto.

  In the following description, the “front-rear direction” means the front-rear direction as viewed from a seated person in the vehicle seat, and is a direction that matches the traveling direction of the vehicle. Further, the “seat width direction” means the width direction of the vehicle seat, and coincides with the left-right direction when viewed from the occupant of the vehicle seat. The “vertical direction” means the height direction of the vehicle seat, and coincides with the vertical direction when the vehicle seat is viewed from the front.

<Configuration of vehicle seat S>
FIG. 1 shows a perspective view of the vehicle seat S. In FIG. 1, a part of the vehicle seat S (specifically, a front end corner of the seat back S1) is illustrated in a configuration in which the trim cover 4 is removed for convenience of illustration.

  As shown in FIG. 1, the vehicle seat S is provided on a seat back S1 serving as a backrest portion for supporting the back of the seated person, a seat cushion S2 serving as a seating portion for supporting the buttocks of the seated person, and an upper portion of the seat back S1. The main component is a headrest S3 that supports the head of the seated person.

(Seat frame F)
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 which is a frame of the seat back S1, and a seat cushion frame 2 which is a frame of the seat cushion S2. The seat cushion frame 2 and the seat back frame 1 are connected via a reclining mechanism (not shown). A cushion pad 3 and a trim cover 4 are provided outside the seat back frame 1 and the seat cushion frame 2 to form a seat back S1 and a seat cushion S2. The cushion pad 3 is a urethane base material formed by foam molding using, for example, a urethane foam material, and the trim cover 4 is made of a material such as cloth or leather.

  As shown in FIG. 2, the seat back frame 1 includes side frames 10 that are vertically separated from each other and extend vertically, an upper frame 21 that connects the upper ends of the side frames 10, and a lower end that connects the lower frames. And the lower frame 22 is formed in a frame shape.

  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 width below the upper side is wider than that above the upper side. As shown in FIG. 2, a substantially flat side plate 11, a front edge portion 12 formed by folding a front end portion of the side plate 11 inward in a U-shape, and a rear end portion bent inward into an L shape are formed. And a trailing edge 13.

  The upper frame 21 is provided with a pillar support 23, and the pillar support 23 is provided with a headrest frame (not shown). The headrest S3 is configured by providing a cushion member outside the headrest frame.

<Airbag module 30>
Further, as shown in FIG. 1, an airbag module 30 is provided inside the side of the seat back S1. The airbag module 30 is a caseless airbag module having no module case. As shown in FIGS. 3 and 4, the airbag module 30 includes an inflator 31, a folded airbag 32, a retainer 33 that holds the inflator 31, and a wrap material 34 that wraps the airbag 32.

  The outer peripheral portion of the inflator 31 is fixed to the retainer 33 and the side frame 10 by a bolt 35 erected toward the inside of the vehicle seat S and a nut 36 corresponding to the bolt 35. Note that the inflator 31 may be fixed to the side frame 10 by an inflator mounting member other than bolts.

  The inflator 31 is a device that generates gas when an operation signal is input from a sensor that detects a collision of the vehicle, injects the generated gas into the airbag 32, and moves the airbag 32 forward of the vehicle seat S. Inflate to expand. The airbag 32 is held in a folded state by a wrapping material 34 made of a cloth bag or the like. The wrapping material 34 can be easily broken when the airbag 32 is deployed. In the present embodiment, the airbag module 30 is configured from a caseless type. However, the airbag module 30 is not limited to this, and may be configured to include a module case.

<Trim cover 4>
As shown in FIGS. 3 and 4, the trim cover 4 sewes a front gusset 40 covering the left and right bank surfaces from the center of the seat surface to a side gusset 41 extending from the peripheral side to the back. A rear gusset (not shown) is sewn to the end of the portion 41 opposite to the front gusset 40 to form a bag.

  A break 42 is formed at the apex of the front gusset 40 and the side gusset 41 bulging at the bank. The breaking portion 42 is configured such that the ends of the front gusset 40 and the side gusset 41 are sandwiched between a first end 51a of an inner web 51 and a first end 55a of an outer web 55, which will be described later. They are sewn together so that they can be torn by the tensile force due to the inflation of the airbag while maintaining the strength that can withstand normal usability.

<Power cloth 50>
As shown in FIGS. 3 and 4, the inner web 51 (the first web) and the outer web 55 (the second web) of the web 50 are sewn together at the break 42. The force cloth 50 is made of a cloth material having a small elasticity, guides the deployment direction of the airbag 32 of the airbag module 30, and plays a role of transmitting the stress caused by the expansion of the airbag 32 to the break portion 42.

  As shown in FIG. 5A, the webbing 50 includes an inner webbing 51 as a first webbing and an outer webbing 55 as a second webbing at the ends of the front gusset 40 and the side gusset 41. It is configured by being stitched at the sandwiched tear line TL.

(Inner web 51)
As shown in FIG. 5A, the inner web 51 includes a first end 51a on the tear line TL side and a second end 51b on the side opposite to the first end 51a. The inner web 51 includes a first end portion 51a, an inner base portion 52 serving as a base portion, and an extending portion 53 extending from the inner base portion 52 toward the second end portion 51b. Here, the extension portion 53 includes bag portions 53a and 53b that are attached so as to cover an attachment member 60 described later. In detail, as shown in FIG. 5B, the bag portion 53a (main pocket 53a) is formed by folding and extending the extension portion 53 to the first end portion 51a side, and forms the bag portion 53b (sub pocket). 53b) is formed by folding back the extension portion 53 again in the direction toward the second end portion 51b inside the bag portion 53a and sewing the same. Therefore, the bag portion 53b can be bent at the bending line 53c with respect to the bag portion 53a to expose the bag portion 53a.

  As shown in FIGS. 3 and 4, the inner web 51 has the first end 51 a sewn together with the break 42, and is drawn into the side frame 10. Then, as described later, the bag portions 53a and 53b are hooked on the hooked portions of the attachment members 60 provided on the side frames 10.

(Outer web cloth 55)
As shown in FIG. 5A, the outer webbing 55 includes a first end 55a on the tear line TL side and a second end 55b on the side opposite to the first end 55a. The outer webbing 55 includes a first end portion 55a, an outer base portion 56 serving as a base portion, two extending portions extending in a direction from the outer base portion 56 toward the second end portion 55b, and a first extending portion 57. And a second extending portion 58. Here, the first extension portion 57 and the second extension portion 58 include bag portions 57a and 57b and bag portions 58a and 58b, respectively, which are attached so as to cover an attachment member 60 described later. The bag portions 57a and 57b are formed by folding and sewing the first extension portion 57, and the bag portions 58a and 58b are formed by folding and sewing the second extension portion 58. The bag portion of the outer web cloth 55 is configured in the same manner as the above-described bag section of the inner web cloth (FIG. 5B), and a description thereof will be omitted. The bag portion 57b can be bent at the bending line 57c with respect to the bag portion 57a to expose the bag portion 57a, and the bag portion 58b is bent at the bending line 58c with respect to the bag portion 58a. The bag portion 58a can be exposed.

  As shown in FIGS. 3 and 4, the outer webbing 55 has a first end portion 55 a sewn together with the break portion 42, and the outer webbing 55 is in contact with the cushion pad 3 arranged on the rear and side surfaces of the airbag module 30. It is drawn into the space between the bag module 30. As will be described later, the bag portion 57a and the bag portion 58a are hooked on a hooked portion of the attachment member 60 provided on the side frame 10.

<Mounting member 60>
As shown in FIGS. 3 and 4, the airbag module 30 is attached to the side frame 10. As shown in FIGS. 3 and 4, an attachment member 60 is attached to the rear edge 13 of the rear end of the side frame 10 in the front-rear direction of the seat. Here, the attachment member 60 includes an inner webbing 51 (first webbing) and an outer webbing 55 (second webbing), which are guide members for guiding the deployment direction of the airbag 32 of the airbag module 30. This is a member for attaching. Hereinafter, the configuration of the mounting member 60 will be described with reference to FIGS.

  As shown in FIGS. 6 and 7, the attachment member 60 is formed of a wire member (for example, a resin or metal wire member) having a first end 60a and a second end 60b. By bending the member, a first bending portion 61, a second bending portion 62, and a third bending portion 63 as hooked portions are formed. As will be described later, a bag portion of the webbing 50 is hooked on the first bending portion 61, the second bending portion 62, and the third bending portion 63, which are hooked portions.

  As shown in FIG. 7, each of the first bending portion 61 and the third bending portion 63 is formed to have three convex portions. Specifically, the first curved portion 61 and the third curved portion 63 include two convex portions protruding toward the inside of the side frame 10 and one convex portion protruding toward the outside of the side frame 10. ing. Similarly, the second curved portion 62 includes two convex portions protruding outside the side frame 10 and one convex portion protruding inside the side frame 10. As described above, since the curved portions 61, 62, and 63, which are the locked portions, are formed so as to have a plurality of convex portions (in other words, the curved portions 61, 62, and 63 include the plurality of curved portions). ), The rigidity is increased, and the stability when the bag portion of the webbing 50 is hooked is improved.

  As shown in FIG. 7, the first bending portion 61 and the second bending portion 62 of the mounting member 60 are connected by a first connecting portion 64, and the second bending portion 62 and the third bending portion 63 They are connected by a second connecting portion 65. The first end 60a and the second end 60b of the attachment member 60 are respectively attached to the rear edge 13 of the side frame 10 by welding or the like.

<Reinforcing member 70>
As shown in FIG. 7, the first bending portion 61, the second bending portion 62, and the third bending portion 63 are connected and reinforced by a reinforcing member 70 extending in the seat vertical direction. The reinforcing member 70 is formed of a wire member (for example, a resin or metal wire member) having a first end 70a and a second end 70b, and includes a first bent portion 71a and a second bent portion 71b. It is bent. The reinforcing member 70 includes a reinforcing portion 72 that connects the first bending portion 61, the second bending portion 62, and the third bending portion 63 between the first bending portion 71a and the second bending portion 71b. As described above, since the mounting member 60 is reinforced by the reinforcing member 70 in the seat vertical direction, the mounting member 60 is suppressed from being twisted and deformed when the airbag is deployed. The reinforcing member 70 may or may not be joined to the curved portions 61, 62, 63 of the mounting member 60 by a method such as welding.

  Next, attachment of the webbing 50 to the attachment member 60 will be described with reference to FIG. The inner web 51 is arranged inside the side frame 10, and the outer web 55 is arranged outside the side frame 10. The bag 53a formed at the second end 51b of the inner web 51 covers the second curved portion 62 as a hooked portion from outside the side frame 10, and the bag 53b is The second curved portion 62 as a hooked portion is covered from the inside. Further, a bag portion 57a formed at the second end portion 55b of the outer webbing 55 covers the first curved portion 61 as a hooked portion from the inside of the side frame 10, and the bag portion 57b is The first curved portion 61 as a hooked portion is covered from the outside of 10. The bag portion 58a also covers the third curved portion 63 as a hooked portion from inside the side frame 10, and the bag portion 58b is a third curved portion as a hooked portion from outside the side frame 10. 63 is covered. As described above, the inner webbing 51 and the outer webbing 55 of the webbing 50 are configured such that the respective bag portions 53a, 53b, 57a, 57b, 58a, 58b cover the curved portions 61, 62, 63 of the mounting member 60. It is attached to the attachment member 60.

  As described above, since the wire member is used as the attachment member 60 and the wire members are curved to form the curved portions 61, 62, and 63 as the hooked portions, the hooked portion can be formed with a simple configuration. At the same time, the hooking state of the bag covering the locked portion is stable.

  The inner web 51 and the outer web 55, which are arranged with the side frame 10 interposed therebetween, each have a bag portion at an end, and are attached to the mounting member 60 from outside or inside of the side frame 10, so that the airbag deployment. At this time, the inner web 51 and the outer web 55 are prevented from coming off the mounting member 60. Specifically, when the airbag is deployed, a force directed to the inside of the side frame 10 is input to the inner web 51 and a force directed to the outside of the side frame 10 is input to the outer web 55. Since the direction in which the bag portion engages with the curved portion is opposite to the force input direction, the inner web 51 and the outer web 55 may come off from the mounting member 60 when the airbag is deployed. Is suppressed.

  As shown in FIG. 8, the outer webbing 55 includes a plurality of bag sections 57a, 58a (57b, 58b), and the bag section 57a (57b) and the bag section 58a of the second webbing in the sheet vertical direction. The bag portion 53a (53b) of the inner web 51 is located between (58b). In the seat up-down direction, the bag portions 53a (53b) of the inner web 51 are located between the bag portions 57a, 58a (57b, 58b) of the outer web 55, so that the inner web 51 and the outer web 55 The state of attachment to the attachment member 60 becomes stable.

  Further, since the bag portions of the inner web 51 and the outer web 55 are formed by folding back the extending portions, the bag shown in FIG. 8 may be moved in the opposite direction to the mounting direction. Even so, it is possible to prevent detachment from the hooked portion. Specifically, in the state shown in FIG. 8, since the bag portion 53a covers the second curved portion 62 from the direction inward from the outside of the side frame 10 (the mounting direction), the bag portion 53a is Even when the bag portion 53a moves in the opposite direction, that is, in the direction from the inside to the outside of the side frame 10, the bag portion 53a is prevented from coming off the second curved portion 62. Similarly, since the bag portions 57a and 58a cover the first curved portion 61 and the third curved portion 63 from the direction from the inside to the outside of the side frame 10 (mounting direction), the bag portions 57a and 58a are Is reversed, that is, even when the bag portion 57a moves from the outside to the inside of the side frame 10, the bag portion 57a may be disengaged from the first curved portion 61, or the bag portion 58a may be moved from the third curved portion. Departure from 63 is suppressed. This effect is further enhanced by forming the bag portions 53b, 57b, 58b as sub pockets in addition to the bag portions 53a, 57a, 58a as main pockets.

<Attaching work of the airbag module 30>
Here, the work of attaching the airbag module 30 will be described. First, the cushion pads 3 are arranged in front and side of the airbag module 30, and furthermore, the trim cover 4 that covers the cushion pads 3 is arranged. Here, the first end portion 51a of the inner web cloth 51 and the first end section 55a of the outer web cloth 55 are formed at the apex-formed break section 42 bulging at the bank of the front gusset section 40 and the side gusset section 41. Sew while pulling in.

  Next, the airbag module 30 is attached to the side frame 10. Specifically, a bolt 35 protruding from a retainer 33 holding the inflator 31 is passed through a hole formed in the side plate 11 of the side frame 10 and fastened from the inside of the side plate 11 by a nut 36. Thereby, the airbag module 30 and the side frame 10 are fastened and fixed together.

  Next, the inner web 51 and the outer web 55 are mounted on the mounting member 60. Specifically, the inner bending cloth 51 is mounted on the mounting member 60 by covering the second curved portion 62 of the mounting member 60 with the bag portions 53a and 53b of the inner cloth 51. Similarly, the first bending portion 61 of the mounting member 60 is covered with the bag portions 57a and 57b of the outer webbing 55, and the third bending portion 63 is covered with the bag portions 58a and 58b of the outer webbing 55. Is attached to the attachment member 60.

  Then, when the inflator 31 of the airbag module 30 operates, the gas generated by the inflator 31 is injected into the airbag 32 and the airbag 32 is inflated. At this time, the airbag 32 is guided by the inner web 51 and the outer web 55 so that the deployment direction is directed to the break 42. Specifically, with the inflation of the airbag 32, the inner web 51 and the outer web 55 act to tear the break 42, whereby the airbag 32 breaks the break 42, The swelling portion 42 swells to the outside of the sheet.

  As described above, in the vehicle seat S, the second curved portion 62 of the mounting member 60 is covered with the bag portions 53a and 53b of the inner web 51, and the first curved portion 61 of the mounting member 60 is formed of the outer web 55. By covering the third curved portion 63 with the bag portions 58a, 58b of the outer web 55, the inner web 51 and the outer web 55 can be easily attached to the side frame 10 by covering with the bag portions 57a, 57b. is there.

<Modification>
The present invention is not limited to the above embodiment. Hereinafter, first to fourth modifications of the attachment member 60 will be described with reference to FIGS. 9 to 12, and modifications of the webbing 50 will be described with reference to FIGS. 13 and 14.

(First Modification)
FIG. 9 is an explanatory diagram illustrating the attachment member 160 according to the first modification. The mounting member 160 shown in FIG. 9 is the same as the embodiment shown in FIG. 7 except that it is not reinforced by the reinforcing member 70. In the mounting member 160 according to the first modified example, since the reinforcing member 70 is not provided, the work of covering the bag portion of the webbing with the first bending portion 161, the second bending portion 162, and the third bending portion 163 is easy to perform.

(Second Modification)
FIG. 10 is an explanatory diagram illustrating an attachment member 260 according to the second modification. In the mounting member 60 shown in FIG. 9, the first bending portion 61, the second bending portion 62, and the third bending portion 63 are each formed so as to have three convex portions, but the mounting member 260 shown in FIG. Is formed such that each of the first curved portion 261, the second curved portion 262, and the third curved portion 263 has one convex portion. According to such an attachment member 260, the process of bending the wire member can be simplified, so that the attachment member can be easily manufactured. Further, as shown in FIG. 10, the reinforcing member 270 may have a curved shape. In the example illustrated in FIG. 10, the reinforcing member 270 includes a first reinforcing portion 271 for reinforcing the first curved portion 261, a second reinforcing portion 272 for reinforcing the second curved portion 262, and a third reinforcing portion for reinforcing the third curved portion 263. A reinforcing portion 273 is provided.

(Third Modification)
FIG. 11 is an explanatory diagram illustrating an attachment member 360 according to a third modification. The attachment member 360 shown in FIG. 11 is formed from a first plate member 361, a second plate member 362, and a third plate member 363. The first plate member 361 includes a first protrusion 361a protruding inside the side frame 10, the second plate member 362 includes a second protrusion 362a protruding outside the side frame 10, and a third plate member. 363 is provided with a third protruding portion 363a that protrudes inside the side frame 10. Since each protruding portion as the hooked portion is covered by the bag portion of the webbing, the hooked portion can be formed with a simple configuration, and the hooking state of the bag portion covering the hooked portion is stable. It will be.

(Fourth modification)
FIG. 12 is an explanatory diagram illustrating an attachment member 460 according to a fourth modification. The attachment member 460 shown in FIG. 12 is formed from a first plate member 461, a second plate member 462, and a third plate member 463. The first plate member 461 includes a first protrusion 461a protruding inside the side frame 10, the second plate member 462 includes a second protrusion 462a protruding outside the side frame 10, and a third plate member. 463 includes a third protruding portion 463a protruding inside the side frame 10. Further, the first plate member 461, the second plate member 462, and the third plate member 463 are connected and reinforced by a reinforcing member 470 extending in the up-down direction of the seat. Further, the first plate member 461, the second plate member 462, and the third plate member 463 are attached to the side frame 10 via a reinforcing member 470.

  In the above embodiment, the front seat as the front seat of the vehicle has been described as an example of the vehicle seat S. However, the present invention is not limited to this, and the vehicle seat S corresponds to the rear seat of the vehicle. It can also be used as a middle seat in a second row or a rear seat in a third row in a vehicle having three rows of seats in the front-rear direction.

  In the above-described embodiment, the example in which the airbag module 30 is disposed on one side of the vehicle seat S has been described. However, the present invention is not limited to this. It is also possible to arrange the airbag module 30 on the side and the airbag module 30 on the side opposite to the direction shown in FIG.

  In the webbing 50 in the above embodiment, the inner webbing 51 has one bag 53a and the outer web 55 has two bags 57a and 58a. It is also possible for the webbing 51 to have two or more bag sections, and for the outer webbing 55 to have one or more bag sections. Similarly, the number and shape of the curved portions of the mounting member 60 can be changed as appropriate.

  Further, in the webbing 50 in the above embodiment, the bag portion is formed by folding and sewing the extended portion of each webbing, but the forming method of the bag portion is not limited to this. The bag portions may be formed appropriately so as not to interfere with each other when the bag portions cover the hooked portions. Further, it is also possible to form the bag portion by welding the extended portion of each webbing by folding the bag portion.

  In the above embodiment, as shown in FIG. 8, the inner web 51 and the outer web 55 overlap both the mounting member 60 and the reinforcing member 70 when viewed from the rear side of the seat. The inner web 51 and the outer web 55 can be arranged between the member 60 and the reinforcing member 70. In this case, since the inner web 51 and the outer web 55 are sandwiched between the mounting member 60 and the reinforcing member 70, the mounting state of the inner web 51 and the outer web 55 is stabilized.

  In the above-described embodiment, as shown in FIGS. 6 and 7, the reinforcing portion 72 of the reinforcing member 70 is formed to extend linearly in the seat up-down direction. The reinforcing portion 72 may be formed so as to extend in the sheet up-down direction while bending in the sheet width direction. And if the attachment member 60 is suppressed from being twisted and deformed, the arrangement of the reinforcing member 70 with respect to the attachment member 60 can be changed as appropriate.

(Modification of webbing)
Further, in the above embodiment, as shown in FIGS. 5A and 5B, each webbing is provided with the bag portions 53a, 57a, 58a (main pocket) and the bag portions 53b, 57b, 58b (sub pocket). However, as shown in FIGS. 13 and 14, unlike the webbing 50 </ b> X according to the modified example, a configuration in which only the bag portions 53 a, 57 a, and 58 a (main pocket) are provided without providing a sub pocket. Is also possible.

  In the above, the seat frame according to the present embodiment has been described as an example of a seat frame of a vehicle seat mounted on a vehicle. The seat frame according to the present embodiment is not limited to the seat frame of the vehicle seat, and a seat configured by covering a cushion pad placed on the seat frame with a cover member, particularly, the cover member is a seat. There is no particular limitation on the use as long as the seat frame is a seat frame that employs a structure to be hooked on the frame. For example, the seat frame of the present invention can be used as a seat frame of a normal seat used in a facility or a building, or as a seat frame of a vehicle seat used in a vehicle other than a vehicle.

S Vehicle seat S1 Seat back S2 Seat cushion S3 Headrest F Seat frame 1 Seat back frame 2 Seat cushion frame 3 Cushion pad 4 Trim cover 10 Side frame 11 Side plate 12 Front edge 13 Rear edge 21 Upper frame 22 Lower frame 23 Pillar Supporting part 30 Airbag module 31 Inflator 32 Airbag 33 Retainer 34 Wrap material 35 Bolt 36 Nut 40 Breaking part 41 Front gusset part 42 Side gusset part 50, 50X Power cloth (guide member)
51 Inner web (1st web)
51a 1st end 51b 2nd end 52 inner base 53 extension 53a bag (main pocket)
53b bag (sub pocket)
53c Bending line TL tear line 55 Outer webbing (2nd webbing)
55a First end 55b Second end 56 Outer base 57 First extension 57a Bag (main pocket)
57b bag (sub pocket)
57c Bending line 58 Second extension part 58a Bag part (main pocket)
58b bag (sub pocket)
58c Bending line 60 Mounting member 60a First end 60b Second end 61 First bending portion 62 Second bending portion 63 Third bending portion 64 First connecting portion 65 Second connecting portion 70 Reinforcement member 70a First end 70b Second end portion 71a First bent portion 71b Second bent portion 72 Reinforcement portions 160, 260 Attachment members 161,261 First bend portions 162, 262 Second bend portions 163, 263 Third bend portions 270 Reinforcement members 271 First reinforcement Part 272 Second reinforcing part 273 Third reinforcing part 360, 460 Mounting member 361, 461 First plate member 361a, 461a First protrusion 362, 462 Second plate member 362a, 462a Second protrusion 363, 463 Third plate Member 363a, 463a Third protrusion 470 Reinforcement member

Claims (7)

A vehicle seat having a seat back,
The seat back is fixed to the side frame that extends in a vertical direction of the vehicle seat, an airbag module that stores an airbag, a guide member that guides a deployment direction of the airbag, and the side frame. And a mounting member,
The guide member includes a bag portion at an end,
A vehicle seat, wherein the bag portion is attached to the attachment member by covering a hooked portion of the attachment member. The mounting member is a wire member,
The vehicle seat according to claim 1, wherein the hooked portion is a curved portion formed by curving the wire member. The mounting member is a plate member,
The vehicle seat according to claim 1, wherein the hooked portion is a protruding portion that protrudes from the plate member. A reinforcing member for reinforcing the mounting member,
The vehicle seat according to any one of claims 1 to 3, wherein the reinforcing member extends in a vertical direction of the vehicle seat. The guide member includes a first webbing arranged inside the side frame and a second webbing arranged outside the side frame in a width direction of the vehicle seat,
The bag portion of the first webbing is attached to the attachment member from outside the side frame,
The vehicle seat according to any one of claims 1 to 4, wherein the bag portion of the second webbing is attached to the attachment member from the inside of the side frame. The second webbing includes a plurality of the bag portions,
The vehicle according to claim 5, wherein the bag portion of the first webbing is located between the plurality of bag portions of the second webbing in the up-down direction of the vehicle seat. Sheet. The first webbing and the second webbing include a base and an extending portion extending from the base.
The vehicle seat according to claim 5, wherein the bag portion is formed by folding the extension portion.

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