JP2002067864A - Airbag module holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To structure an airbag module holder provided with a clip which can be simply and reliably stuck and fixed to the side plate of a seatback frame. SOLUTION: A clip 43 comprising a prop part 43a rising from the plate surface of a bottom plate part 41 brought into face to face contact with the side plate 3 of a seatback frame, and plural stretching collars 43b-43e to press-in from holes 30 drilled in the plate surface of the side plate 3 side by side with each other and parallel to the rising direction of the prop part 43a is provided in the airbag module holder 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an airbag module holder which accommodates an airbag module in a box and fastens and fixes the airbag module to a side plate of a seat back frame with fastening bolts protruding from the airbag module. is there.

[0002]

2. Description of the Related Art In general, in an automobile seat, as shown in FIG. 6, an airbag module 1 is accommodated inside a cavity (not shown) provided on a side of a back pad, and a seat back frame 2 is provided. Attached and fixed to the side plate 3 of the seat back B, a device externally attached to a side portion of the seat back B is known.

[0003] As the airbag module 1,
As shown in FIG. 7, an outer cover 13 in which a gas generating inflator 10 is held by a retainer 11 and provided inside the airbag 12 and a broken portion 13a formed by a thin fragile portion is provided on the inner surface near the edge of the cover plate portion 13b. And an inner plate 14 fitted and fixed to the side wall portion 13c of the outer cover 13 at the open edge. The air bag 12 is folded so as to be inflatable and deployable, accommodated inside the outer cover 13, and has a tightening bolt 15 for the retainer 11. May be made to protrude from the through hole of the inner plate 14 to assemble.

In order to accommodate the airbag module in the cavity of the back pad, the terminal of the opening provided on the side surface of the seat cover for installing the airbag module is rolled up from the open end of the side wall portion and is inserted inside the side wall portion. In order to fix and prevent the inflation pressure due to the compression deformation of the back pad from acting on the outer cover, it is planned to assemble a substantially box-shaped module holder with a bottom that houses the airbag module inside. I have.

The module holder can be fastened and fixed to a side plate of a seat back frame by a fastening bolt of a retainer projecting from the airbag module. To do this, wind the end of the opening provided on the side of the seat cover from the open end of the side wall, fasten it to the inside of the side wall, and insert the tightening bolts into the through holes in the inner plate to mount the air bag module. It is necessary to assemble the module holder together with the airbag module into the cavity of the back pad by inserting the tightening bolt into the stop hole of the side plate after being housed inside the holder.

However, in this case, since the stop hole of the side plate is not visible from the outside, it is difficult to insert the tightening bolt into the stop hole of the side plate.

The module holder is fixed to the side plate of the seat back frame in advance with a fastening bolt and another clip or the like, and the end of the opening provided on the side surface of the seat cover is rolled up from the open end of the side wall. If you fasten it to the inside of the module in advance and insert the tightening bolt protruding from the airbag module through the through hole of the module holder into the stop hole of the side plate that matches, all of them can be easily fastened together with the tightening bolt it can.

However, in this case, since the number of parts by another clip or the like is increased, the clip may be formed integrally with the module holder.

[0009]

SUMMARY OF THE INVENTION An object of the present invention is to provide an airbag module holder having a clip which can be easily and securely fixed to a side plate of a seat back frame.

[0010]

In the airbag module holder according to the first aspect of the present invention, a pillar portion rising from a plate surface of a bottom plate portion which is in contact with a side plate of a seat back frame, and a support member extending in a rising direction of the pillar portion. And a plurality of overhanging flanges which are press-fitted through stop holes formed in the plate surface of the side plate.

In the air bag module holder according to a second aspect of the present invention, the air bag module holder is provided with a clip for keeping an interval corresponding to the plate thickness of the side plate between the plate surface of the bottom plate and the nearest overhang flange. ing.

In the airbag module holder according to the third aspect of the present invention, the airbag module holder has a rising dimension longer than that of the clip and is provided with a guide pin that fits into a through hole formed in the plate surface of the side plate. ing.

The airbag module holder according to a fourth aspect of the present invention is configured by providing at least two clips at intervals in the vertical direction of the bottom plate.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, FIG. 1 shows an airbag module holder 4 (hereinafter, referred to as a plastic bag) molded from a synthetic resin such as polypropylene.
"Holder". ) Is shown from the bottom plate side.

The holder 4 has a vertically elongated, substantially bottomed box shape, and has a front wall portion 40a facing the front portion of the seat bag, a rear wall portion 40b facing the rear portion of the seat back, and a vertical direction facing the seat bag. An oblong side wall portion including an upper wall portion 40c and a lower wall portion 40d, a bottom plate portion 41 facing the side plate of the seat back frame, and a protruding flange portion 42a to an outer side from an open end of the side wall portions 40a to 40d. 42d.

As shown in FIG. 2, the holder 4 has a column 43a rising from the plate surface of the bottom plate 41, and a plurality of overhang flanges 43b to 43e arranged in parallel with each other along the rising direction of the column 43a. Are integrally provided.

In the structure, the column portion 43a is formed in a wide protruding piece shape having an arc-shaped tip. Overhang Tsuba 4
Each of 3b to 43e is provided so that the flange surface on the distal end side is slanted and the flange surface on the base side is made horizontal so as to protrude to both sides from the support portion 43a. An interval corresponding to the plate thickness of the side plate is formed between the plate surface of the bottom plate portion 41 and the nearest overhanging flange 43e so as to maintain an interval W corresponding to the plate thickness of the side plate.

It is preferable that at least two clips 43 are provided at intervals in the vertical direction of the bottom plate portion 41. In addition to the clip 43, a guide pin 44 having a longer rising dimension than the clip 43 is provided. The guide pin 44 is formed in a round bar shape having a conical tip, and is preferably provided at an intermediate side between two clips 43, 43 provided.

The holder 4 has a retaining hole 45 for fastening a terminal of an opening provided on a side surface of a seat cover described later.
a to 45c are provided in two sets on the front and rear walls 40a and 40b (only the front wall is shown), and on the upper and lower walls 40c and 40d (only the upper wall is shown). Each of these retaining holes 45
As for a-45c, both sides are reinforced with edging ribs 46a-46c from the hole edge near the overhanging edges 42a-42d.

In addition, a notch hole 47a into which a base of an inner plate described later is fitted, a through hole 47b through which a harness of an inflator is inserted, and a hole 47c formed by a positioning protrusion of a molding die are provided on the plate surface of the bottom plate portion 41. Have been. Further, at the corners extending from the front overhanging flange portion 42a to the overhanging flange portions 42c and 42d on both sides, concave grooves 48a and 49a for reducing the thickness and punched holes 48b and 49b located at the open end corners of the side wall portion. A fragile portion for breakage is provided by continuous holes 48c and 49c extending from the middle of the side wall portion to the bottom plate portion 41.

Prior to assembling the airbag module, the holder 4 configured as described above (hereinafter, common components will be described with the same reference numerals in FIGS. 6 and 7) will be described with reference to FIGS. 43 can be fitted and fixed by press-fitting into the stop hole 30 provided in the side plate 3 of the seat back frame (not shown). When press-fitting the clip 43, the guide pin 44
Since the length is longer than 3, the clip 43 can be easily positioned with respect to the stop hole 30 by fitting the guide pin 44 into the through hole 31.

When the clip 43 is press-fitted, the overhanging flanges 43b to 43b
e can be easily deformed and fitted into the stop hole 30. Further, when the clip 43 is completely fitted into the stop hole 30 and the interval W corresponding to the plate thickness of the side plate 3 is maintained between the plate surface of the bottom plate portion 41 and the nearest overhanging flange 43e, The thickness of the plate 3 can be pinched, and the fitting can be securely performed without rattling. Further, since at least two clips 43, 43 are provided at intervals in the vertical direction of the bottom plate portion 41, even when the holder 4 is long in the vertical direction, the clips can be stably applied to the plate surface of the side plate 3.

The holder 4 can be fixed to the surface of the side plate 3 through an opening 50 provided on the side surface of the seat cover 5 as shown in FIG. After the holder 4 is attached, the terminals 51a to 51d of the opening 50 can be wound around the holder 4 and fixed. Its opening 5
The zero terminals 51a to 51d can be wound and stopped by equipping each terminal 51a to 51d with a trim cord having hooks 52a to 52f.

The holder 4 is located inside a cavity 7 provided on the side of the back pad 6 as shown in FIG.
With respect to this holder 4, each terminal 51 a to 5 of the opening 50 is
1d (however, only those corresponding to the terminals 51a and 51b are shown) receives the periphery of the opening (unsigned) with the projecting flanges 42a and 42b of the holder 4 and holds the terminals 51a and 51b to the side walls 40a and 40b. While being wound inward from 40b, the hooks 52a and 52c can be fixed to the side wall portions 40a and 40b by being hooked on the hook holes 45a. The hooks 52a and 52c are connected to the rim 46a.
Is provided around the hole of the latch hole 45a, so that it can be latched stably.

After the ends 51a to 51d of the opening 50 are wound and fastened, the airbag module 1 is assembled inside the holder 4 and fastened to the side plate 3 of the seat back frame 2 together with the holder 4 with fastening bolts 15. Can be fixed. This airbag module 1
Since the mounting base of the inner plate 14 is fitted to the cut-and-raised portion 32 of the side plate 3 and fixed with the tightening bolt 15, the mounting is stable. The opening 5
The periphery of the edge 0 is the overhang flange portion 42a, 4 of the holder 4.
It is beautifully finished by sandwiching it between 2b and overhanging flange portions 13c and 13d extending from the cover plate 13a of the outer cover 13.

[0026]

As described above, according to the airbag module holder according to the first aspect of the present invention, the pillars rising from the plate surface of the bottom plate that is in contact with the side plate of the seat back frame, and the rising of the pillars. In order to integrally provide a clip consisting of a plurality of overhanging flanges that are press-fitted from stop holes that are formed in the side plate side by side in parallel with each other along the direction, each overhanging flange is bent and deformed to stop the side plate. It can be easily fitted into the hole and securely fixed to the plate surface of the side plate with the clip.

According to the airbag module holder according to the second aspect of the present invention, a temporary fixing clip for maintaining an interval corresponding to the plate thickness of the side plate between the plate surface of the bottom plate portion and the nearest overhang flange is provided. Therefore, the plate thickness of the side plate can be sandwiched between the plate surface of the bottom plate portion and the nearest overhang flange, so that the clip can be securely applied and fixed without clipping.

According to the airbag module holder according to the third aspect of the present invention, since the guide pin has a rising dimension longer than the clip and is fitted to the through hole formed in the plate surface of the side plate, Since the guide pin is fitted into the through hole of the side plate, the clip can be easily positioned with respect to the stop hole of the side plate.

According to the airbag module holder according to the fourth aspect of the present invention, since at least two clips are provided at intervals in the vertical direction of the bottom plate, even if the holder is long in the vertical direction, the plate of the side plate can be provided. It can be stably applied to the surface with clips.

[Brief description of the drawings]

FIG. 1 is an elevation perspective view showing an airbag module holder according to the present invention.

FIG. 2 is an extracted perspective view showing a clip of the airbag module holder according to the present invention.

FIG. 3 is a cross-sectional view showing an airbag module holder according to the present invention in an attached state to a side plate of a seat back frame.

FIG. 4 is a perspective view showing a seat equipped with an airbag module by the airbag module holder according to the present invention.

FIG. 5 is a partial cross-sectional view showing a seat back equipped with an airbag module using the airbag module holder according to the present invention.

FIG. 6 is a perspective view showing a seat back of an airbag module-equipped seat according to a general example.

FIG. 7 is a perspective view showing an airbag module according to a general example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Air bag module 2 Seat back frame 3 Seat back frame side plate 30 Side plate stop hole 31 Side plate through hole 4 Air bag module holder 40a-40d Holder side wall 41 Holder bottom plate 5 Seat cover 50 Seat cover Opening portions 51a to 51d Opening terminals 6 Back pad 7 Back pad cavity

Continuation of the front page F term (reference) 3B087 CD05 3D054 AA07 AA21 BB30 EE25 FF16 FF17

Claims (4)

[Claims] 1. A terminal of an opening provided on a side plate of a seat back frame as a bottom plate portion and housed inside a hollow portion provided on a side portion of a back pad and provided on a side surface of a seat cover for mounting an airbag module. Is wound around the open end of the side wall and fastened inside the side wall,
The airbag module is housed in a box and fixed together with the side plate of the seat back frame. The air bag module holder has a bottomed box shape and rises from the surface of the bottom plate that is in contact with the side plate of the seat back frame. A clip comprising a support portion and a plurality of overhanging flanges that are press-fitted from stop holes formed in the plate surface of the side plate in parallel with each other along the rising direction of the support portion is provided integrally. Air bag module holder. 2. The airbag module holder according to claim 1, further comprising a clip for keeping a space corresponding to a plate thickness of the side plate between a plate surface of the bottom plate portion and the nearest overhang flange. 3. has a rising dimension longer than the clip,
3. The airbag module holder according to claim 1, wherein a guide pin is provided on the plate surface of the side plate so as to fit with a through hole formed in the side plate. 4. The apparatus according to claim 1, wherein at least two clips are provided at intervals in a vertical direction of the bottom plate portion.
4. The airbag module holder according to any one of items 1 to 3.