JPH0667214U - Side cover airbag device trim cover closure structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To prevent the trim cover from being opened accidentally by foreign matter being inserted between the other end of the trim cover and the other end of the case body. In a side-impact airbag apparatus configured to inflate an airbag 16 while opening a trim cover 17 by gas emitted from an inflator 15, the trim cover 17 covers a board 18 and a surface of a board 18 on a vehicle compartment side. The trim cover 17 is provided, and the trim cover 17 is provided.
One end of is attached to one end of the case body 12 by a hinge 19 so as to be openable and closable. The end portion of the trim skin 21 is extended so as to cover the gap S between the other end of the trim cover 17 and the other end of the case body 12, and the end extension 2
2 and the back side of the other end of the case body 12 are engaged with each other in a disengageable manner to lock and hold the trim cover 17.
5 are provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a trim cover closing structure for a side impact airbag device.

[0002]

[Prior art]

 Generally, a side-impact airbag device includes a case body fixed to a side panel (mainly a door inner panel) of a vehicle, an airbag folded and stored in the case body, and a compartment side opening of the case body. It is mainly composed of a trim cover that can be opened and closed. Then, in the event of a side collision of the vehicle, the airbag is inflated while the trim cover is opened by the gas emitted from the inflator, so that the safety of the occupant is ensured.

In such a side impact airbag device, the trim cover is openably and closably attached to the lower flange portion of the case main body by a hinge plate provided at one end (lower end) thereof. In order to hold the trim cover closed, conventionally, as shown in FIG. 6, it is detachably engaged with the opposite surface of the trim cover 17 'and the upper flange portion 13a' of the case body 12 '. Locking projections 30 'and elastic clips 31' are respectively provided, or, as shown in FIG. 7, the other end of the trim cover 17 'and the upper flange portion 13a' of the case body 12 'face each other. Some of them are provided with loop pieces 32 'and hook pieces 33' of Velcro tape on their respective surfaces.

[0004]

[Problems to be solved by the device]

 By the way, in the above-mentioned conventional device, a gap S is formed between the other end portion of the trim cover 17 'and the facing surface of the upper flange portion 13a' of the case body 12 '. Therefore, foreign matter is artificially inserted into the gap S to disengage the engagement protrusion 30 'from the elastic clip 31' or disengage the velcro tape, and the trim cover 17 'is removed. There was a problem that was opened unexpectedly.

In view of the above-mentioned conventional problems, an object of the present invention is to provide a trim cover capable of preventing foreign matter from being artificially inserted between the other end of the trim cover and the other end of the case body. To provide a closed structure.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, according to the present invention, an airbag is folded and stored in a case body fixed to a side panel of a vehicle and opening to the vehicle compartment side, and the case body is provided at an opening portion of the case body on the vehicle compartment side. A side impact airbag device configured such that a trim cover that closes the opening is openably and closably mounted, and the airbag is inflated while the trim cover is opened by gas emitted from an inflator. The trim cover includes a board and a trim skin covering the surface of the board on the passenger compartment side, and one end of the trim cover is hingedly attached to one end of the case body. The end portion of the trim skin is extended so as to cover the gap between the other end portion of the case body and the other end portion of the case body, and the end extension portion and the rear side portion of the other end portion of the case body are extended. Between Is provided with locking means for releasably engaging and closing and holding the trim cover.

[0007]

[Action]

 In the trim cover closing structure of the side impact airbag device configured as described above, the gap between the other end of the trim cover and the other end of the case body is covered by the terminal extension of the trim skin. This eliminates the problem that foreign matter is artificially inserted into the gap. Further, when the airbag is inflated by the gas emitted from the inflator during a side collision of the vehicle, the engagement of the locking means of the trim cover is disengaged based on the inflation of the airbag, and the trim cover uses the hinge as a fulcrum. It will be released.

[0008]

EXAMPLE 1 Example 1 of the present invention will be described with reference to FIGS. In FIG. 1 and FIG. 2, a door trim board 2 is mounted on the passenger compartment side of an inner panel 1 of a side door of a vehicle.

The inner panel 1 and the door trim board 2 are respectively formed with opening holes 3 and 4 into which the side impact airbag device 11 is assembled. The side impact airbag device 11 is mainly composed of a case body 2, an inflator 15, an airbag 16 and a trim cover 17.

The case body 12 is formed in a box shape having an opening on the vehicle compartment side, and a flange 13 is projected on the periphery of the opening. When the case body 12 is fitted in the opening hole 3 of the inner panel 1, the flange 13 is fixed to the periphery of the opening hole 3 of the inner panel 1.

An inflator 15 that generates gas at the time of a side collision is attached to the back side wall 14 of the case body 12, and an airbag 16 that is inflated by the gas emitted by the inflator 15 is folded in a storage chamber of the case body 12. It is packed and stored.

A trim cover 17 for closing the opening is attached to the opening of the case body 12 so as to be openable and closable. The trim cover 17 includes a substrate 18 and a trim skin 21 attached so as to cover the surface of the substrate 18 on the vehicle interior side. A hinge plate 19 is provided at the lower end of the substrate 18 via a thin hinge portion 20, and the hinge plate 19 is fixed to the lower flange portion 13b of the flange 13 of the case body 12 by a fixing member 24. Then, the trim cover 17 is mounted such that it can be opened and closed with the hinge portion 20 as a fulcrum.

The upper end portion of the trim skin 21 of the trim cover 17 is extended so as to cover the gap S between the upper end portion of the trim cover 17 and the upper flange portion 12d of the case body 12. The end extension 22 of the trim skin 21 and the rear side of the upper edge of the upper flange 13d of the case body 12 are detachably engaged with each other to hold the trim cover 17 closed. Stop means 25 are provided.

In the first embodiment, the locking means 25 includes a locking hook 26 having a hook-shaped cross section fixed to the end of the terminal extension 22 of the trim skin 21, and an upper flange portion of the case body 12. A latching piece 27 is formed at the upper edge of 13a so as to be formed in a right-angled shape toward the rear side, and the locking hook 26 is latched. Then, when the airbag 16 is inflated by the gas emitted from the inflator 15 at the time of a side collision, the engagement force between the locking hook 26 and the hooking piece 27 is released by the inflating force as shown in FIG. In addition, the locking hook 26 is adapted to be plastically deformed.

The first embodiment is configured as described above. Therefore, since the gap S between the upper end of the trim cover 17 and the upper flange portion 13a of the case body 12 is covered by the end extension 22 of the trim skin 21, foreign matter is artificially placed in the gap S. The problem that the trim cover 17 is opened by being inserted is eliminated.

Further, when the air bag 16 is inflated by the gas emitted from the inflator 15 during a side collision of the vehicle, the case body 12 is locked as shown in FIG. 3 based on the inflation of the airbag 16. The locking hook 26 of the trim cover 17 is plastically deformed with respect to the piece 27 and disengages from the hooking piece 27 of the case body 12. The airbag 16 is largely inflated into the passenger compartment while the trim cover 17 is opened with the hinge portion 20 of the hinge plate 19 serving as a fulcrum, thereby ensuring the safety of the occupant.

Second Embodiment Next, a second embodiment of the present invention will be described with reference to FIGS. 4 and 5. In the second embodiment, the structure of the locking means 25 that holds the trim cover 17 closed is changed. That is, in the second embodiment, the locking means 25 includes the resin core material 28 sewn to the end portion of the end extension portion 22 of the trim skin 21 and the upper edge of the upper flange 13a of the case body 12. It is configured by a fitting portion 29 which is formed on the back side and into which the core material 28 is fitted and which has an arc-shaped cross section. As shown in FIG. 5, when the airbag 16 is inflated by the gas emitted from the inflator 15 at the time of a side impact, the inflating force of the inflator 15 causes the core material 28 to be deformed and pulled out from the fitting portion 29. The fitting force between the material 28 and the fitting portion 29 is set appropriately.

Since other parts and members are the same as those in the first embodiment, the same parts and members are designated by the same reference numerals and the description thereof will be omitted.

[0019]

[Effect of device]

 As described above, according to the present invention, the gap between the other end of the trim cover and the other end of the case body can be covered by the terminal extension of the trim skin, so that the foreign matter is not caught in the gap. It is possible to eliminate the problem that the trim cover is opened by artificially inserting the trim cover.

[Brief description of drawings]

FIG. 1 is a sectional view showing a trim cover closing structure according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a simplified state of a state where the same is assembled to a vehicle door.

FIG. 3 is a sectional view showing a state in which the trim cover is opened by inflation of the airbag at the time of a side collision.

FIG. 4 is a sectional view showing a trim cover closing structure according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a state in which the trim cover is opened by inflation of the airbag at the time of a side collision.

FIG. 6 is a cross-sectional view showing a conventional trim cover closing structure.

FIG. 7 is a sectional view showing another example of a conventional trim cover closing structure.

[Explanation of symbols]

 1 Inner Panel (Side Panel) 11 Side Impact Airbag Device 12 Case Body 15 Inflator 16 Airbag 17 Trim Cover 18 Substrate 19 Hinge Plate 20 Hinge Part 21 Trim Skin 22 Terminal Extension Part 25 Locking Means

Claims (1)

[Scope of utility model registration request] 1. A case body fixed to a side panel of a vehicle and opened toward a vehicle compartment has an airbag folded and accommodated therein, and a trim for closing the opening at a vehicle compartment side opening of the case body. In a side impact airbag device configured such that a cover is openably and closably mounted, and the airbag is inflated while the trim cover is opened by a gas emitted from an inflator, wherein the trim cover is a substrate and a vehicle compartment of the substrate. A trim cover covering a side surface, one end of the trim cover is openably and closably attached to one end of the case body by a hinge, and the other end of the trim cover and the other end of the case body are further provided. An end portion of the trim skin is extended so as to cover a gap between the end extension portion and a rear side portion of the other end portion of the case body, and the end portion is releasably engaged. The above Trim cover closed conformation of the side impact airbag apparatus characterized by locking means for closing retain Mukaba is provided.