JP4242268B2 - Airbag device - Google Patents

Description

  The present invention relates to an airbag apparatus including an airbag that is deployed along a side window portion of an automobile, for example.

  2. Description of the Related Art Conventionally, as an airbag apparatus including an airbag that inflates and deploys by introducing gas, a so-called curtain airbag that is deployed along a side window of an automobile is known. And, such an airbag is normally folded and stored along the roof side rail of an automobile, and when it receives an impact from the side, gas is introduced into the interior and along the window. It expands and deploys downward. In addition, the airbag is provided with attachment pieces (ear portions) at predetermined intervals on the upper edge of the airbag, and these attachment pieces are fixed to the vehicle body panel of the automobile by bolts (for example, Patent Document 1). reference.).

  However, the configuration using bolts has a problem in that it is difficult to reduce the manufacturing cost for each of a large number of mounting pieces, which requires a complicated operation of screwing the bolts onto the nuts. Further, when removing the airbag for maintenance management, that is, maintenance, etc., there is a problem that it is difficult to reduce the cost required for maintenance because a complicated operation of removing each bolt is required.

  In this regard, a configuration in which an airbag is fixed to a vehicle body using a so-called clip is known. This clip is formed of an elastically deformable member. Generally, the clip is fixed to the back side of the plate-like member by press-fitting into a mounting hole formed in the plate-like member to which the component is attached. (For example, see Patent Document 2).

However, since a large force may be applied to the attachment piece when the airbag is deployed, it is necessary to use a clip having a high strength in order to firmly attach the airbag. If a clip having high strength and not easily deformed is used, it is difficult to remove the clip, and it is difficult to reduce the cost required for maintenance.
Japanese Patent Application Laid-Open No. 10-138861 (FIG. 6 on page 6) Japanese Patent Laid-Open No. 11-257317

  As described above, in the configuration in which the bolt is used for attaching the airbag, for each of a large number of attachment pieces, a complicated operation of screwing and fastening the bolt to the nut is required, and it is difficult to reduce the manufacturing cost. Have a problem. Further, when removing the airbag for maintenance management, that is, maintenance, etc., there is a problem that it is difficult to reduce the cost required for maintenance because a complicated operation of removing each bolt is required.

  Moreover, in the structure which uses a clip for attachment of an airbag, in order to attach an airbag firmly, it is necessary to use a clip with big intensity | strength. If a clip having high strength and not easily deformed is used, it is difficult to remove the clip and it is difficult to reduce the cost required for maintenance.

  This invention is made | formed in view of such a point, and it aims at providing the airbag apparatus which can attach and remove an airbag easily while being able to attach an airbag firmly.

The airbag device according to claim 1 is an airbag device attached to a member to be attached, and the airbag device is provided in an airbag that is inflated and deployed by introduction of gas , an attachment body, and the attachment member. And a mounting body that is a separate component from the mounting body, and the mounting body folds and stores the airbag, and constitutes the case section and the case section to which the airbag is mounted. A base, and a mounting shaft projecting from the base, and a mounting portion positioned at a tip of the mounting shaft and having a diameter larger than the mounting shaft , the mounting receiving portion being a plate A mounting receiving plate portion and a mounting receiving hole portion which is a non-circular through hole opening in the mounting receiving plate portion, and the connecting body is rotatably attached to the mounting portion, and the connecting body is rotated at one rotational position. that it is possible through the mounting receiving hole portion and The attachment receiving hole portion inserted into the connection bar portion to be locked to the mounting receiving plate portion in a state of being rotated in the other rotational position, the large-diameter portion provided on the connection bar portion is pressed into the locking A large-diameter receiving portion that is prevented from slipping off, a shaft hole portion that communicates with the large-diameter receiving portion, the shaft portion into which the mounting shaft portion is inserted, and a connecting base portion that projects from the connecting base portion. it is the ash with the rotational operation can handle the connection bar portion while inserted into the attachment receiving hole portion.

  In this configuration, the connecting base portion of the connecting body is mounted and received in a state where the large diameter portion of the mounting body in which the airbag is folded and stored in the case portion is press-fitted and locked to the large diameter portion receiving portion of the connecting body. By inserting the mounting body into the mounting receiving hole portion and rotating the connecting body using the handle portion, the connecting base portion is locked to the mounting receiving plate portion, and the airbag together with the mounting body is easily and firmly attached to the mounted member. Attached to. Further, by rotating the connecting body using the handle portion, the engagement between the connecting base portion and the mounting receiving plate portion is released, and the airbag together with the mounting body is easily detached from the attached member.

The airbag device according to claim 2 is the airbag device according to claim 1, wherein the airbag has an airbag body portion that is inflated and deployed by introducing gas, and a locking hole that is continuous with the airbag body portion. provided with a mounting piece portion arranged along the Rutotomoni base coupling member is provided with a mounting piece holding portion for holding engagement locks with the mount piece the locking hole provided coaxially in the connection bar portion, shaft hole portion is provided on the axis of the mounting piece holding portion, the large diameter portion receiving is the ash is provided the axis of the connection bar portion.

In this configuration, the attachment portion of the attachment body is inserted into the shaft hole portion of the coupling body, the large diameter portion of the attachment body is press-fitted into the large diameter portion receiving portion of the coupling body and locked, and the airbag is attached. By connecting the connecting base part of the connecting body into the mounting receiving hole part of the mounting receiving part with the one part locked to the mounting piece holding part, and rotating the connecting body using the handle part, the connecting base part Is fixed to the attachment receiving plate portion, and the airbag is easily and firmly attached to the attached member together with the attachment body .

  The airbag device according to claim 3 is the airbag device according to claim 1 or 2, wherein the attached member is a vehicle, and the attachment body is an interior material of the vehicle.

  In this configuration, the interior material can be easily and firmly attached to the vehicle together with the airbag.

  The airbag device according to claim 4 is the airbag device according to claim 3, wherein the attachment receiving portions are provided at a plurality of locations of the roof side rail, and the airbag is inflated and deployed along the side surface of the vehicle interior. It is. And in this structure, the curtain airbag which can attach an air bag firmly and is easy to attach and detach is comprised.

According to the air bag device of the present invention, by rotating the connecting body with a handle portion, and lock the connection bar portion to the attachment receiving plate portion, easily and firmly to the airbag to the mounting member with the attachment body Can be attached to. Further, by rotating the coupling body using the handle portion, the engagement between the coupling base portion and the attachment receiving plate portion can be released, and the airbag together with the attachment body can be easily detached from the attached member.

  Hereinafter, an embodiment of an airbag device of the present invention will be described with reference to the drawings.

  1 to 3, reference numeral 1 denotes an airbag. As shown in FIGS. 2 to 4, an airbag apparatus 2 including the airbag 1 is a vehicle of a vehicle body 3 that is a vehicle as a mounted member. Arranged on the roof side 5 of the chamber 4. The airbag 1 is also called a curtain airbag, a side impact airbag, a side airbag, an inflatable curtain, or a head protection airbag. It is developed in a planar shape on the side of the occupant to protect the occupant as a protected object.

  Further, as shown in FIG. 4, the vehicle body 3 includes a front seat 6 and a rear seat 7 in which a passenger can be seated in a passenger compartment 4, and corresponding to the front seat 6 and the rear seat 7. A door (not shown) having a window portion (side window) that constitutes a predetermined surface that can be opened is provided. Further, on both sides of the passenger compartment 4, a front pillar 11 also called an A pillar as a pillar, a center pillar 12 also called a B pillar, and a rear pillar 13 also called a C pillar are provided in order from the front side. The roof side rail 15 shown in FIG. 1 thru | or FIG. The roof side rail 15 is also called a vehicle body panel, and the ceiling panel 16 is supported via the roof side rail 15. An airbag device 2 that also serves as a pillar garnish as an interior material is attached to the side of the compartment 4 from the front pillar 11 to the roof side rail 15 to cover the front pillar 11 and the roof side rail 15. ing. Further, pillar garnishes 12a and 13a, which are interior materials, are attached to a part of the passenger compartment 4 of the center pillar 12 and the rear pillar 13, respectively, and the pillars 12 and 13 are covered. A head lining (roof lining) 16a, which is a soft ceiling plate, is attached to the side of the compartment 4 from the ceiling panel 16 to the roof side rail 15. Further, an elastically deformable packing body 17 formed of a soft resin or the like is attached to the lower end portion of the roof side rail 15. The packing body 17 is also called a welt or a body seal, and the upper portions of the doors are in contact with and in close contact with each other, and the gap between the roof side rail 15 and the airbag device 2 is covered. Each seat 6, 7 is provided with a seat belt, and the center pillar 12 is provided with a support portion 12 b that supports these seat belts.

  The airbag device 2 is a so-called curtain airbag device for front and rear seats that can protect the passengers in the front and rear seats. The airbag 20 is a case body that also serves as an interior material, and the attachment body 20 is elongated. The airbag 1 stored in a folded manner, an inflator (not shown) that is stored in the mounting body 20 and supplies gas to the airbag 1 positioned above the rear seat 7, and the mounting body 20 are fixed to the roof side rail 15. A plurality of connectors 22 and the like are provided. Moreover, members, such as a sleeve which hold | maintains the folding shape of the airbag 1, are used as needed.

  Further, the roof side rail 15 is provided with attachment receiving portions 25 at a plurality of locations along the longitudinal direction. Each attachment receiving portion 25 is formed with an attachment receiving plate portion 26 having a flat plate shape and an attachment receiving hole portion 27 which is a through hole formed in the attachment receiving plate portion 26. Further, each attachment receiving hole portion 27 has a shape other than a circle, and in the present embodiment, is formed in a substantially rectangular shape having a long side and a short side.

  The airbag 1 is formed by combining one or a plurality of base fabrics, and has an airbag body 31 formed in a flat bag shape, and an attachment portion extending from a plurality of locations of the airbag body 31 And an attachment piece portion 32.

  Although not shown, the airbag main body 31 overlaps the outer base fabric portion disposed on the outer side on the vehicle body side and the inner base fabric portion disposed on the vehicle compartment side, and performs predetermined sewing as a joint portion. A bag-like inflatable part that is inflated and deployed by inflow of gas, a gas inlet that is located at the upper rear end of the airbag main body 31 and communicates with the inflatable part, and inflates without inflow of gas A sheet-like non-inflatable portion that does not expand is provided. Furthermore, the inflating part is an air chamber that is a hollow part, and a communication part that is located at the upper part of the central part in the longitudinal direction that is the front-rear direction of the airbag body part 31, and a first part that communicates with the front side of this communication part A front seat protection part (front seat protection area) as an inflating part and a rear seat protection part (rear seat protection area) as a second inflating part communicating with the rear side of the communication part are provided. Moreover, the sewing part is provided with the outer periphery sewing part which is an outer periphery connection part which sews the outer periphery of an expansion | swelling part, and the control part which controls the width dimension at the time of expansion | deployment of each protection part. And this restriction | limiting part is located in one place or several places of an expansion | swelling part, and is formed in the outer peripheral sewing part integrally or separately. Further, for example, an annular protection portion is formed at the terminal portion of the restriction portion. Furthermore, between the outer base fabric portion and the inner base fabric portion, as necessary, as a means for guiding the gas, or as a means for regulating the width dimension of the expansion portion during deployment, an inner pipe, a front partition wall body, Alternatively, a rear partition wall or the like is attached by sewing or the like.

  The attachment piece 32 is formed to project from a plurality of, for example, six locations at a predetermined interval on the upper edge of the airbag body 31. Each attachment piece 32 is formed integrally with a base fabric constituting the airbag main body 31, and is formed, for example, by overlapping and sewing an outer base fabric portion and an inner base fabric portion. As shown in FIG. 1, each mounting piece 32 is provided in a tongue-like shape with a predetermined width from the airbag body 31, and has a circular hole shape at the center in the width direction near the tip. A locking hole 32a is formed. Furthermore, in this embodiment, in order to temporarily increase the size of the locking hole 32a, a notch 32b continuous to the locking hole 32a is formed.

  Further, the attachment body 20 as a whole has a flat cylindrical shape in which the airbag housing portion 41 is formed along the longitudinal direction, which is the front-rear direction, and in the present embodiment, the core member 42 constituting the case portion, A cover member 43 and a skin 44 constituting the case part are provided. The core member 42 is integrally formed in a plate shape with, for example, a hard synthetic resin, and is recessed from the other portion on the roof side rail 15 side to form the airbag storage portion 41, and the base portion 51. Edge portions 52 and 53 that are continuous via stepped portions on both sides along the longitudinal direction. Further, the base portion 51 is formed with pin-shaped attachment portions 55 projecting from the back surface side, that is, the roof side rail 15 side at predetermined intervals along the longitudinal direction. Each mounting portion 55 includes a cylindrical mounting shaft portion 56, and a spherical large-diameter portion 57 that is a protrusion having a diameter larger than that of the mounting shaft portion 56, which is located at the distal end portion of the mounting shaft portion 56. ing. Further, the base 51 is formed with a plurality of slits 58 that are adjacent to one side of each attachment portion 55 and that are insertion portions through which the attachment piece portions 32 can be inserted. Further, a thick portion 59 having a large thickness dimension is formed around the base end portion of the mounting shaft portion 56 in the base portion 51 in order to increase the strength of the portion of the mounting shaft portion 56.

  Further, the cover member 43 is formed in a curved plate shape with a soft or deformable resin, and is disposed on the vehicle compartment 4 side so as to face the base 51 and cover the opening of the base 51 so as to be opened and closed. . For example, one edge 61 along the longitudinal direction is locked or connected to the core member 42, and the other edge 62 is detachably locked to the core member 42.

  Further, the skin 44 is formed of resin, cloth, leather, etc., and is disposed on the side of the passenger compartment 4 of the core member 42 and the cover member 43, and the members 42, 43 and the stored airbag 1 are mounted on the vehicle. It is covered so that it cannot be seen by the passengers in room 4. For example, the skin 44 is integrally bonded to the cover member 43 with an adhesive, and is integrally bonded to one edge portion 52 of the core member 42 by vibration welding, ultrasonic welding, bonding, or the like.

  Further, the connecting body 22 is a fastening part that is a separate part from the mounting body 20, and is integrally formed of a resin that is slightly elastically deformable, as shown in FIGS. 1 to 3, 5, and 6. The connecting body main body 71 and a handle 72 projecting from the connecting body main body 71 are provided. Then, the connecting body main body 71 includes a cylindrical shaft portion 75 provided with a shaft hole portion 74 penetrating vertically in the shaft center, a connecting base portion 76 provided on the upper portion of the shaft portion 75, a shaft And an attachment piece holding part 77 provided on the lower side of the part 75. The connecting table 76 has a shape obtained by cutting both sides of the truncated cone with parallel surfaces 76a, and the base end surface 76c having a large width with respect to the distal end surface 76b has a substantially rectangular shape with a short side forming a curved surface. It is a locking surface. A large-diameter receiving portion 79 that is coaxially connected to the shaft portion 75 and forms a part of a spherical surface having a diameter larger than the diameter of the shaft 75 is formed at the center of the coupling base portion 76. Yes. The attachment piece holding portion 77 includes a pair of disk-like flange portions 77a and 77b projecting outward from the shaft portion 75, and the airbag 1 is attached between the flange portions 77a and 77b. The locking hole 32a of the piece 32 is locked.

  Furthermore, a pair of groove-shaped notches 81 are formed along the axial direction from a part of the connecting base part 76 located on one end side to the end on the other end side along the longitudinal direction of the shaft part 75. Yes. Note that these notches 81 are also notched on the inner peripheral side of the flanges 77a and 77b, but do not penetrate to the outer peripheral side.

  The handle portion 72 can also be referred to as a rotation lever. In the present embodiment, the handle portion 72 protrudes in a plate shape from the outer peripheral portion of the flange portion 77b on the other end side to the outer peripheral side. Yes. The handle portion 72 is bent at an intermediate position according to the shape of other members, and can be deformed in a surface direction along the axial direction of the shaft portion 75, that is, a non-operation direction that is a non-rotating direction. It is configured.

  Next, the assembly process of this airbag apparatus 2 and the attachment / detachment process to the vehicle body 3 are demonstrated.

  First, a module 84 that can also be called a curtain trim module is configured by combining the airbag 1, the attachment body 20, and the plurality of coupling bodies 22. That is, first, the airbag body 31 of the airbag 1 is folded into a predetermined elongated shape, and is stored in the airbag storage 41 of the mounting body 20 as shown in FIG. Pull outward from 58. The airbag body 31 can be folded in various ways, for example, the lower part is folded into a roll shape to form an integrated part, and the upper part wraps the integrated part from both sides. It can also be folded as a parasol-shaped guide.

  In addition, the connecting body 22 is press-fitted into the shaft hole portion 74 of the attachment portion 55 and attached to the attachment portion 55 so as to be rotatable. In this press-fitting process, since the diameter dimension of the large diameter part 57 is larger than the diameter dimension of the shaft hole part 74, the connecting body main body 71 is deformed while the notch part 81 is expanded, and the large diameter part 57 is It passes through the hole 74. Then, with the large-diameter portion 57 reaching the large-diameter portion receiving portion 79, the connecting body main body portion 71 is restored and deformed, the mounting shaft portion 56 is rotatably supported by the shaft hole portion 74, and the large-diameter portion The portion 57 is locked to the large diameter portion receiving portion 79 and is prevented from coming off in the axial direction.

  Then, with the connecting body 22 attached to each mounting portion 55, the locking hole 32 a of the mounting piece portion 32 is locked to the mounting piece holding portion 77 so as to cover the tip of the connecting body 22. In this state, the attachment piece portion 32 is locked to the attachment piece holding portion 77 of the coupling body 22 and is prevented from coming off, and is also locked to the attachment portion 55 of the attachment body 20 via the attachment piece holding portion 77. To prevent it from coming off. Note that when the locking hole 32a is put on the connecting body 22, the end surface 76d inclined to the curved surface of the connecting base portion 76 serves as a guide portion. In this way, the module 84 is configured.

  Next, with respect to each connecting body 22 of this module 84, as shown in FIG. 6 (a), the handle portion so that the longitudinal direction of the connecting base portion 76 matches the longitudinal direction of the mounting receiving hole portion 27 of the mounting receiving portion 25. 72 is rotated to a predetermined position (detachment position). Then, the module 84 is lifted, and the module 84 is disposed along the roof side rail 15 while inserting the connecting base portions 76 of the connecting bodies 22 into the corresponding attachment receiving hole portions 27. In addition, when the connecting base portion 76 is inserted into the attachment receiving hole portion 27, an end surface 76d inclined in a curved shape of the connecting base portion 76 serves as a guide portion.

  Next, the handle portion 72 of each connecting body 22 projecting laterally from the gap between the module 84 and the roof side rail 15 is pushed into the gap so as to be approximately 90 degrees in a predetermined direction (the direction of arrow A shown in FIG. 6). As shown in FIG. 6 (b), it rotates to a predetermined position (locking position). As shown in FIG. 6B, the attachment receiving portion 25 of the roof side rail 15 is provided with a restricting portion 88 such as a protrusion that restricts the rotational position of the handle portion 72 and guides the locking position. It can also be provided. The handle portion 72 can also be rotated so as to be pushed into the gap while being deformed in the surface direction.

  In the state shown in FIG. 6B, the base end surface 76c of the coupling base portion 76 protrudes laterally from the attachment receiving hole portion 27, and is latched to the attachment receiving plate portion 26 of the attachment receiving portion 25 to prevent it from coming off. The module 84 is mechanically fixed to the roof side rail 15. Further, the airbag 1 and the inflator are connected, and the inflator and the control device installed on the vehicle body 3 side are electrically connected using a harness or the like, and the packing body 17 is attached to the roof side rail 15 and the airbag is installed. By covering the gap with the device 2 and the tip of the handle portion 72, the installation of the airbag device 2 is completed as shown in FIG. Here, when each connecting body 22, that is, the handle portion 72 is not sufficiently rotated and the rotational position is not correct, the handle portion 72 protrudes as shown by a broken line B in FIG. It is clearly shown that the rotation position is not correct.

  In the airbag device 2, the inflator is operated by the control device in the event of a side collision of the vehicle body 3, and as shown in FIG. 3, the gas injected from the inflator is sent from the gas inlet to the airbag 1. The expansion portion is expanded while pushing the cover member 43 open, and quickly protrudes downward from the roof side portion 5. Then, the airbag 1 is inflated and deployed downward along the window portion, that is, is deployed so as to cover the front and rear window portions in a curtain shape and to protect the heads, chests, etc. of the passengers in the front seat and the rear seat. .

  On the other hand, during maintenance management of the airbag device 2, that is, maintenance, the handle body 72 is pulled out from the gap between the module 84 and the roof side rail 15 with the packing body 17 removed, that is, during the locking operation. By rotating in the opposite direction to a predetermined position (attachment / detachment position), the connection between the connection base portion 76 and the attachment receiving portion 25 of the connection body 22 is released, and the module 84 can be removed.

  As described above, according to the present embodiment, the curtain airbag device that is deployed along the side surface of the vehicle compartment 4 that is a vehicle is configured with the module 84 in which the airbag 1 is housed in the mounting body 20. Since the module 84 is attached to and detached from the roof side rail 15 of the vehicle body 3, the operation of attaching and detaching the airbag device 2 to the vehicle body 3 is facilitated, and the cost required for installation of the airbag device 2 and the cost of maintenance and the like are easily reduced. can do.

  Further, the surface side of the mounting body 20 also serves as an interior material, and since the skin 44 is provided so as to cover the airbag 1 in advance, it is not necessary to arrange a separate interior material or skin, and the appearance can be easily improved. it can.

  Further, regarding the mounting structure of the module 84, that is, the mounting body 20 and the airbag 1 to the vehicle body 3, the connecting body 22 is rotatably mounted on the mounting portion 55 provided on the mounting body 20, and the handle portion 72 is rotated. The attachment body 20 together with the connecting body 22 can be easily attached to the attachment receiving portion 25 on the vehicle body 3 side, and can be easily attached, or can be easily removed by releasing the engagement. Thus, since the airbag device 2 can be detachably attached to the roof side rail 15 by using the attachment portion 55 provided on the attachment body 20, the attachment to the vehicle body 3 can be facilitated and the installation cost can be reduced. In addition, the operation of removing the airbag 1 for repair and maintenance can be performed efficiently in a short time, and the cost of repair and maintenance can be reduced.

  Further, since this attachment / detachment work does not require the use of a dedicated tool and can be performed manually, for example, the work can be facilitated and the cost can be reduced as compared with a configuration in which a bolt is screwed onto a nut.

  Further, in a state where the coupling body 22 is engaged and combined with the mounting body 20, the shaft hole portion 74 and the large-diameter receiving portion 79 of the coupling body 22 are attached to the mounting shaft portion 56 and the diameter of the mounting portion 55 of the mounting body 20. The large part 57 is engaged, and the connecting body 22 is so-called solid. In particular, the connecting base part 76 has a block shape that is not easily deformed. And in the state which fixed the airbag apparatus 2, the longitudinal direction of the connection stand part 76 of the connection body 22 cross | intersects the longitudinal direction of the attachment receiving hole part 27 of the attachment receiving part 25, and it is a block-shaped connection stand. The connecting body 22 is firmly locked and fixed to the attachment receiving portion 25 of the vehicle body 3 by the portion 76. Therefore, even if the airbag 1 is inflated and deployed due to a side collision of the vehicle and a large tensile force generated in the attachment piece 32 of the airbag 1 is applied from the attachment portion 55 of the attachment body 20 to the connecting body 22, the airbag 1 is surely secured. Can be held on the vehicle body 3 side. That is, the airbag 1 can be reliably held on the vehicle body 3 side unless the connecting body 22, that is, the handle portion 72 is rotated to a predetermined position.

  Further, as described above, the attachment piece portion 32 of the airbag 1 is engaged with the attachment portion 55 and the connecting body 22 which are attachment structures of the attachment body 20 to the vehicle body 3 side which is a member to be attached. The bag 1 can be firmly fixed to the attachment body 20, and the structure can be simplified to reduce the manufacturing cost.

  In the above embodiment, the airbag 1 is attached by locking the attachment piece 32 to the coupling body 22, but is not limited to this configuration, and the attachment piece 32 is locked to the attachment portion 55. Alternatively, it may be attached by being locked at a position other than the attachment portion 55 of the attachment body 20.

  Further, in the above embodiment, the attachment body 20 is configured by the core material 42, the cover member 43, and the skin 44, but is not limited to this configuration, and the core material 42 and the cover member 43 are not separated but are substantially cylindrical. It is also possible to form a single body and open at a predetermined position by the pressure developed by the airbag 1. Further, the skin 44 can be omitted.

  In addition, the attachment receiving portion 25 is provided on the roof side rail 15 of the vehicle body 3 of the automobile. However, if the plate-like member can form a hole such as a rectangular shape, the pillars 11, 12, 13 and the like are appropriately provided. Can be provided in position.

  The present invention is not limited to a configuration that extends from the upper side to the lower side and covers the side window portion of the automobile, and can be applied to an appropriate airbag device that needs to be inflated and deployed in a planar shape along a predetermined surface. .

It is a disassembled perspective view which shows one Embodiment of the airbag apparatus of this invention. It is II sectional drawing of FIG. 4 which shows a state of the accommodation state of the airbag apparatus mounted in the vehicle same as the above. It is sectional drawing of the II equivalent position of FIG. 4 which shows the state of the expansion | deployment state of the airbag apparatus mounted in the vehicle same as the above. It is explanatory drawing of a part of vehicle which shows the state which mounts an airbag apparatus same as the above. It is a partial cross section figure which shows the attachment body and coupling body of an airbag apparatus same as the above. It is explanatory drawing which shows the attachment or detachment operation | movement of an airbag apparatus same as the above, (a) is a detachable state, (b) is the latched state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Airbag 2 Airbag apparatus 3 The vehicle body which is a vehicle as a to-be-attached member 4 Car interior
15 Roof side rail
20 Mounting body
22 Connected body
25 Mounting bracket
26 Mounting plate
27 Mounting hole
31 Airbag body
32 Mounting piece
32a Locking hole
42 Core material constituting the case
43 Cover members that make up the case
51 Base
55 Mounting part
56 Mounting shaft
57 diameter
72 Handle
74 Shaft hole
76 Connecting base
77 Mounting piece holder
79 Large diameter receiving part

Claims (4)

An airbag device attached to a member to be attached,
The airbag device includes an airbag that is inflated and deployed by introducing gas , an attachment body, an attachment receiving portion provided on the attached member, and a connection body that is a separate component from the attachment body,
The attachment body folds and stores the airbag, and a case portion to which the airbag is attached, a base portion constituting the case portion, an attachment shaft portion protruding from the base portion, and a tip portion of the attachment shaft portion And a mounting portion provided with a larger diameter portion than the mounting shaft portion .
The mounting receiving portion includes a plate-shaped mounting receiving plate portion and a mounting receiving hole portion which is a non-circular through hole opened in the mounting receiving plate portion ,
Wherein the coupling element is pivotally mounted to the mounting portion, in a state of being rotated in the other rotational position is inserted into the attachment receiving hole portion as well as a possible inserted into the attachment receiving hole portion in one rotational position said mounting receiving plate connection bar portion to be engaged in part, large-diameter portion receiving said large-diameter portion provided on the connection bar portions are retained by locking by press-fitting, communicating with the large-diameter portion receiving In addition, a shaft hole portion into which the mounting shaft portion is inserted, and the connection base portion can be rotated while the connection base portion is inserted into the attachment receiving hole portion. such is provided with a handle portion
Air bag device comprising a call. Airbag includes an airbag body portion is inflated and deployed gas is introduced, and a continuous mounting piece portion arranged along Rutotomoni base provided a locking hole in the airbag body portion,
The coupling body is provided with a mounting piece holding portion that is provided coaxially on the connecting base portion and holds the mounting piece portion by locking the locking hole, and the shaft hole portion is provided at an axial center of the mounting piece holding portion. The large-diameter receiving part is provided at the shaft center of the connecting base part .
Airbag apparatus according to claim 1, wherein the this. The mounted member is a vehicle,
The airbag device according to claim 1, wherein the attachment body is an interior material of the vehicle. Mounting receiving parts are provided at multiple locations on the roof side rail,
The airbag device according to claim 3, wherein the airbag is inflated and deployed along a side surface of the vehicle interior.

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