JPH08301044A - Cover body of air bag device - Google Patents

Abstract

PURPOSE: To enhance decorativeness by using a decorative body of a separate member from a covering part, and reliably hold the decorative body by a connecting film. CONSTITUTION: A decorative part 31 of a separate member is installed in a resinous covering part 22 of a cover main body 21 of an air bag device 3 to be installed on a steering wheel of an automobile. The decorative part 31 is composed of an annular ring-shaped decorative body 33, a plate 35, a center pad 34, plural shafts 36 and a retaining ring 37. The center pad 34 and the covering part 22 are sandwiched by the decorative body 33 and the plate 35, and the decorative part 31 is fixed to the covering part 22. A disk-shaped part 38a of a connecting film 38 is sandwiched and fixed between the center pad 34 and the covering part 22, and a leg piece part 38b is sandwiched and fixed between an installing wall part 23 of the cover main body 21 and a basplate 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover body for an airbag device to which decorative parts are attached.

[0002]

2. Description of the Related Art Conventionally, an inflator for injecting gas,
An airbag device including an airbag that inflates and deploys by the gas, a cover body that covers the airbag, an inflator, an airbag, a base plate to which the cover body is attached, and the like are used. The airbag is housed inside the cover body in a small folded state, and is expanded by the pressure of the gas injected from the inflator in the event of a vehicle collision or the like, and the cover body is covered with a soft resin. The parts are torn apart and deployed on the front of the occupant. Further, the airbag device is, for example, an airbag device incorporated in a pad body at the center of a steering wheel for protecting a driver of a vehicle from a shock of a collision, and a passenger seat passenger built in an instrument panel. Airbag device, airbag device for rear seats built into the front seat back, or
Various types of devices have been developed and put into practical use, such as an airbag device provided for a side collision and a door or a side of a seat.

In this type of airbag device,
For the purpose of decoration, decoration marks such as logo mark and car name,
A configuration is known in which the cover is integrally formed with the cover of the airbag device.

However, in the structure in which the decorative mark is formed integrally with the cover body, the decorative mark has the same texture and color tone of the entire cover body, and therefore, there is a problem that it is not noticeable and the decorative effect is poor. .

Further, when such a decorative mark is constituted by a decorative part which is separate from the covering portion of the cover body,
It is necessary to firmly attach the decorative component to the soft resin covering portion that deploys at high speed when the airbag device operates.

In this respect, for example, the structure described in Japanese Utility Model Laid-Open No. 2-66353 is known. Further, in this configuration, a plate of another member serving as a decoration mark is attached to the surface of the cover portion of the cover body, and the hook portion of the locking portion projecting from the plate is attached to the reinforcing net embedded in the cover portion. It is adapted to engage and attach the plate to the cover of the cover body.

However, this actual Kaihei 2-66353
The configuration described in the publication can be applied only to the cover body in which the reinforcing net is integrally embedded in the covering portion, and has a problem that the applicable range is narrow.

Further, for example, the structure described in Japanese Patent Laid-Open No. 5-139231 is known. In this configuration, a part of the decorative component that is a separate member is embedded and fixed in the covering portion of the cover body. In this decorative component, the decorative portion exposed on the surface side of the covering portion and the decorative portion And a base portion formed around. A plurality of through holes are formed in the base portion, and the base portion is insert-molded so as to be embedded in the covering portion, so that the decorative mark is surely attached to the covering portion.

However, this Japanese Patent Laid-Open No. 13923/1993
In the configuration described in Japanese Patent No. 1, since the decorative part is insert-molded in the cover part of the cover body, the decorative part of the decorative part is easily soiled, and there is a problem that the positioning process and the finishing process of the decorative part are complicated. .

[0010]

As described above, in the structure in which the decorative mark is integrally formed on the cover body, the decorative mark has the same texture and color tone of the entire cover body, so that it is less noticeable and has a decorative effect. Have a problem with being scarce. Further, the decorative mark is a plate separate from the covering portion, and the reinforcing net embedded in the covering portion of the cover body is engaged with the hook portion of the locking portion projecting from the plate, so that the plate becomes the cover body. In the structure of attachment, it can be applied only to the cover body in which the reinforcing net is integrally embedded in the covering portion, and there is a problem that the applicable range is narrow. In addition, in the structure in which the decorative component that is a separate member is insert-molded on the cover body, there is a problem that the decorative component is easily soiled, the appearance is difficult to improve, and the work for removing the soil becomes complicated.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cover body of an airbag device capable of reliably holding a decorative component.

[0012]

According to a first aspect of the present invention, there is provided a cover body for an airbag apparatus, comprising: a cover main body having a covering portion for covering the airbag and an attaching portion for attaching to an attached member; and a cover body attached to the covering portion. The decorative part and the connecting means for connecting the decorative part and the mounted member are provided.

According to a second aspect of the present invention, there is provided a cover body for an airbag apparatus according to the first aspect, wherein the decorative component is a decorative body arranged on a surface side of the covering portion, and It is provided with a leg portion projectingly provided and penetrating the covering portion and the connecting means, and a locking member arranged on the back surface side of the covering portion and the connecting means and coupled to the leg portion.

According to a third aspect of the present invention, there is provided the cover body of the airbag apparatus according to the first or second aspect, wherein the connecting means is provided with a switch facing the decorative component.

[0015]

In the cover body of the airbag device according to the present invention, a decorative part which is a separate member from the cover part is attached to the cover part of the cover body for covering the airbag, so that the decorative part is integrated with the cover part. The decorative effect is enhanced as compared with the configuration to be formed. Since the decorative part is connected to the member to be attached by the connecting means, it can be securely held even when the airbag device is operated.

In the cover body of the airbag device according to a second aspect of the present invention, in addition to the function of the first aspect, the ornamental body of the ornamental component has a leg portion protruding from the ornamental body penetrating the covering portion and the connecting means. By connecting the locking member to the leg portion on the rear surface side of the covering portion and the connecting means, the covering portion and the connecting means are sandwiched between the decorative body and the locking member, and the decorative component can be easily and surely provided. Retained. Further, it is not necessary to perform insert molding, and the decorative body is not contaminated during the molding process.

In the cover body of the airbag device according to the third aspect, in addition to the operation according to the first or second aspect, since the switch facing the decorative component is provided in the connecting means, this can be achieved by pressing the decorative component. The switch is operated.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of a cover body of an airbag device of the present invention will be described below with reference to the drawings.

In FIG. 2, reference numeral 1 denotes a steering wheel of an automobile. The steering wheel 1 comprises a steering wheel main body 2 and an airbag device 3 mounted on an upper side of the steering wheel main body 2 which is an occupant side. Has been done.

The steering wheel body 2 is
An annular rim portion (ring portion) 5 which is a grip steering portion, a boss portion 6 located inside the rim portion 5, and these rim portions 5
And four spokes 7 connecting the bosses 6. A boss fitted to a steering shaft (not shown) is arranged below the steering wheel body 2 on the vehicle body side, and a boss plate is fixed to the boss by welding or the like. Also,
The core of the spoke 7 is connected to this boss plate,
The core metal of the rim portion 5 is connected to the core metal of the spoke portion 7. A skin portion 8 made of a soft synthetic resin or the like is formed on an outer peripheral portion of the core metal of the rim portions 5 and an outer peripheral portion of a portion of the spoke portion 7 on the rim portion 5 side of the core metal.

Further, as shown in FIGS. 1 to 4, the airbag device 3 includes a metal base plate 11 as a member to be attached, and the base plate 11 attaches a bracket or the like to the boss plate of the steering wheel body 2. Is attached through. And this base plate
11 includes an upper plate portion 11a having a substantially rectangular plane shape and the upper plate portion 11a.
A peripheral wall 11b bent downward from the peripheral edge of 11a
And are formed. A circular hole-shaped inflator mounting hole (not shown) is formed in the upper plate portion 11a, and a substantially columnar inflator 12 that is fitted into the inflator mounting hole from below and injects gas is mounted. . Further, an airbag 14 is attached to the upper surface of the upper plate portion 11a so as to cover the upper side of the inflator 12 in a small folded state.

The airbag 14 is an inflator.
The upper part of 12 is formed in a bag shape having an opening 14a formed therethrough. Inside the airbag 14, an annular retainer 16 for pressing the opening 14a of the airbag 14 is provided.
Has been inserted. A plurality of bolts (not shown) attached to the retainer 16 are respectively attached to the mounting holes formed in the airbag 14, the mounting holes formed around the inflator mounting holes of the upper plate portion 11a of the base plate 11, and the inflator 12. The air bag 14 is fastened to the base plate 11 together with the inflator 12 by inserting the nut into the mounting through hole formed in the flange portion 12a protruding from the outer peripheral portion of the flange portion 12a and screwing a nut (not shown) from the lower surface of the flange portion 12a. It is fixed.

Further, peripheral wall portions on both sides of the base plate 11
Each of the 11b has a bracket portion 11c attached to the boss plate.

Then, as shown in FIGS. 1 to 4, the cover body 20 of the airbag device 3 is attached to the base plate 11 so as to cover the folded airbag 14. The cover body 20 has a cover body 21 integrally formed by an injection molding method using a synthetic resin such as a thermoplastic elastomer.
The boss portion 6 and the spoke portion 7 in which the airbag 14 is stored
A covering portion 22 that covers a part of the covering portion 22 and a mounting wall portion 23 that has a substantially rectangular tubular shape as a mounting portion that projects downward from the back surface of the covering portion 22.
And are formed.

The cover body 21 has a mounting wall portion 23.
Is fitted to the outside of the peripheral wall portion 11b of the base plate 11, the rivet 26 is inserted into the through holes 23a and 11d formed in the mounting wall portion 23 and the peripheral wall portion 11b, respectively, and the mounting wall portion is caulked. 23 is fixed to the peripheral wall portion 11b of the base plate 11.

Further, a decorative component mounting portion 28 is integrally formed at a substantially central portion of the covering portion 22 of the cover body 21, and a decorative component 31 is mounted on the decorative component mounting portion 28. The decorative component mounting portion 28 is provided with a concave portion 28a in which the surface side of the covering portion 22 is circularly concave. Also,
A plurality of through holes 28b communicating from the vicinity of the outer peripheral portion to the back surface side are formed at a predetermined interval in the recess 28a, and a connecting opening 28c communicating from the recess 28a to the front side.
Are formed. Further, the decorative component mounting portion 28 is formed with a projection 28d located on the back surface side of the recess 28a and projecting on the back surface side.

The decorative component 31 includes an annular plate-shaped decorative body 33, a disk-shaped center pad 34, a plate 35 as a locking member having substantially the same shape as the decorative body 33, and legs. And a plurality of retaining rings 37 serving as retaining members.

Further, the cover body 21 is provided with a connecting film 38 as a connecting means. The connecting film 38 is formed of a flexible film such as polyester resin (abbreviated as PET), and has a circular circular portion 38a, and a leg piece portion 38b extending from the circular portion 38a. And the plane is formed in a so-called keyhole shape. In addition, the circular portion 38a is the decorative component mounting portion 28.
It fits into the recess 28a of the
A through hole 38c communicating with the through hole 28b is formed. On the other hand, the leg piece portion 38b is inserted into the connecting opening portion 28c and led out to the inner surface side of the mounting wall portion 23 of the cover body 21, and communicates with the through hole 23a of the mounting wall portion 23 in the vicinity of the tip portion. Through hole 38d
Are formed.

The center pad 34 is made of a soft material, and is formed on the upper side of the connecting film 38 and fits into the recess 28a. The base portion 34a and the circular shape protruding from the base portion 34a to the front side. And a through hole 34c communicating with the through hole 28b of the decorative component mounting portion 28 is formed in the base portion 34a.

The decorative body 33 is made of an aluminum alloy whose surface is hairline-processed, and is formed into an annular plate shape.
It is adapted to be fitted between the outer peripheral portion of the protruding portion 34b of the center pad 34 and the recess 28a of the decorative component mounting portion 28. The decorative body 33 is formed with through holes 33a corresponding to the through holes 28b of the decorative component mounting portion 28. The through holes 33a have a diameter dimension of a portion opened on the front surface side. While it is almost constant along the direction, the diameter of the opening on the back side becomes smaller toward the back side in a taper or step shape, and the diameter of the opening on the back side becomes
It is formed to have a diameter substantially equal to that of each through hole 28b of the decorative component mounting portion 28.

On the other hand, the plate 35 is formed of, for example, a thermoplastic resin, and in this embodiment, it is formed by cutting out a sheet-shaped polycarbonate resin in an annular shape, and the through hole 28b of the decorative component mounting portion 28 is formed. Multiple through holes corresponding to
35a is formed.

Further, the retaining ring 37 is made of an elastically deformable member, and is a so-called E in which locking pieces project from the three sides of both ends and the middle of the main body having a plane arc shape toward the center. It is formed as a retaining ring.

Each shaft 36 is made of, for example, a steel material, and has a tapered head portion 36a formed at the base end thereof, and an annular portion (not shown) near the tip end portion. Groove portions are formed. When the shafts 36 are inserted into the through holes 33a of the decorative body 33 from the surface side, the head portions 36a of the respective shafts 36 are locked to the reduced diameter portions of the through holes 33a, and in this state, the head portions 36a. The surface of the decorative body 33 is flush with the surface of the decorative body 33, or the surface of the decorative body 33 is recessed toward the back side of the surface of the decorative body 33. Furthermore, in this state, each shaft 36 is
3, center pad 34, connecting film 38, cover body 21,
And the through holes 33a, 34c, 38c, 28b, 35a of the plate 35
The annular groove can be projected through to the rear surface side of the cover body 21.

In order to attach the decorative component 31 to the covering portion 22 of the cover body 21, first, the concave portion of the decorative component attaching portion 28 is to be attached.
The circular portion 38a of the connecting film 38 is fitted to 28a, and the leg piece portion 38b is inserted into the connecting opening portion 28c and led out to the inner surface side of the mounting wall portion 23 of the cover body 21. Further, the center pad 34 is fitted over the circular portion 38a of the connecting film 38.

Then, the shafts 36 are previously inserted into the through holes 33a of the decorative body 33 from the front side, and the shafts 36 are inserted into the through holes 28b of the decorative component mounting portion 28 and the like in alignment with each other. At the same time, the decorative body 33 is inserted into the recess 28a and incorporated into the outer periphery of the protruding portion 34b of the center pad 34. Further, a plate 35 is applied to the back surface side of the covering portion 22, and the shafts are respectively inserted into the through holes 35a of the plate 35.
Insert the tip of 36.

In this state, when the decorative body 33 and the head portion 36a of the shaft 36 are pressed toward the back surface side and the plate 35 is pressed toward the front surface side, the cover main body 21 formed of an elastic elastomer. The cover portion 22 and the center pad 34 of the plate are compressed and deformed, and the through holes 35 of the plate 35 are
The protruding dimension of the tip of the shaft 36 from a increases,
The groove portion of each shaft 36 is also largely exposed on the back surface side of the plate 35. In this state, the retaining rings 37 are mounted and locked in the groove portions of the shafts 36, respectively.

Here, when the pressing of the decorative body 33 and the plate 35 is released, the covering portion 22 near the decorative component mounting portion 28 is restored and deformed, and the plate 35 and the retaining ring 37 are elastically pressed to the back side, The retaining ring 37 is brought into contact with the wall portion on the tip end side of the groove portion. In this state, the retaining ring 37 engages with the groove of the shaft 36 due to the elasticity of the main body portion 37a, and is pressed along the longitudinal direction of the shaft 36 due to the elasticity of the covering portion 22 to be firmly fixed.

In this state, the plate 35 is prevented from coming off by the retaining ring 37, and the base portion 34a of the center pad 34 and the connecting film 38 are provided between the plate 35 and the decorative body 33.
The circular part 38a and the cover 22 of the cover body 21 are sandwiched, and the decorative component 31 is attached to the cover 22.

Further, the connecting film is inserted into the connecting opening 28c and led out to the inner surface side of the mounting wall portion 23 of the cover body 21.
The leg piece portion 38b of 38 is clamped between the mounting wall portion 23 of the cover body 21 and the peripheral wall portion 11b of the base plate 11 with the rivet 26 inserted into the through hole 38d of the leg piece portion 38b and caulked. It is designed to be fixed.

A tear line 39, which is weaker than other portions of the covering portion 22, is provided on the back surface side of the covering portion 22 of the cover body 21. The tear line 39 is composed of a central breaking line 39a extending in both directions and a pair of side breaking lines (not shown) connected to the central breaking line 39a and extending in the front-rear direction in the vicinity of both sides of the covering portion 22. Has been done.

When a vehicle collides, a igniter of the inflator 12 is activated by a signal from a collision diagnosis unit (not shown), and the propellant charged is burned to form on the peripheral surface of the inflator 12. Further, nitrogen gas or the like is rapidly injected from the gas injection holes 12b into the inside of the airbag 14 to rapidly inflate the folded airbag 14. Then, in the airbag 14, due to the inflation pressure, the tear line 39 is broken from the central portion of the central break line 39a, the covering portion 22 of the cover body 21 is split along the tear line 39, and the pair of front and rear door pieces is broken. Parts are formed. Further, when the airbag 14 is inflated, the decorative parts 31 are held in the front door piece, and these door pieces are deployed forward and backward to form a protruding port of the airbag 14, and through the protruding port. The airbag 14 is projected and inflated and deployed to the front side of the occupant.

According to the present embodiment, the airbag 14
On the surface side of the resin-made cover portion 22 of the cover body 20 for covering the cover body 22, by attaching a metal decorative body 33 which is a member different from the cover portion 22, the cover portion 22 is integrally formed with the decorative portion. In comparison, the decorative effect can be enhanced, and the decorativeness of the vehicle interior can be enhanced. Further, since the shafts 36 are arranged at a predetermined interval along the circumferential direction of the decorative body 33, it is possible to give a fine mechanical impression to a person who sees the airbag device 3, and at the same time, soft and large swing. The steering wheel 1 provided with the airbag device 3, which tends to give a monotonous impression, can be made to look neat.

Further, since the decorative part 31 is connected to the base plate 11 by the connecting film 38, the airbag device 3
Can be reliably and firmly held even when the cover main body 21 is deployed due to the operation of. In particular, the shaft 36 protruding from the decorative body 33 side is provided with a through hole for the covering portion 22 and the connecting film 38.
28b and 38c are inserted, and the tip side of this shaft 36 is fixed to the plate 35 on the back side of the covering portion 22, so that the covering portion 22 and the connecting film are provided between the decorative body 33 and the plate 35.
38 is sandwiched, and the decorative part 31 is connected to the covering portion 22 and the connecting film 38.
The connection film 38 can be securely fixed to the base plate 11 and the cover body 21 by tightening the rivets 26 together to securely fix the connection film 38.

Furthermore, since the E-shaped retaining ring 37 is locked in the groove 36c of the shaft 36 to prevent the plate 35 from coming off the shaft 36 and being fixed, the decorative component 31 can be attached by a simple operation, and the manufacturing process The workability can be improved by simplifying, and the decorative component 31 can be reliably attached to the covering portion 22. Further, since the thickness dimension of the decorative component 31 can be made small and the protruding amount of the shaft 36 to the inside of the cover body 21 can be made small, a storage space for the airbag 14 can be secured and the airbag 14 can be smoothly inflated. It does not hinder deployment.

Since the decorative part 31 can be securely held, even when the airbag device 3 is activated and the covering part 22 is cleaved and the door piece is deployed at high speed, the decorative part is attached to the front door piece.
The air bag 14 can be smoothly inflated and deployed by securely holding the air bag 31.

Furthermore, since it is not necessary to perform insert molding or the like to attach the decorative component 31 to the covering portion 22, the decorative body 33 is not contaminated during the molding process, the manufacturing process can be simplified, and the workability can be improved. The appearance can be improved, and the process yield can be improved.

Since the decorative part 31 is attached by sandwiching the covering portion 22 from the front surface side and the back surface side, the covering portion 22 is attached.
It can be securely fixed regardless of the shape of 22, and it can improve versatility.

Although the E-shaped retaining ring 37 is used as the retaining member in the above embodiment, another retaining member having a similar retaining action may be used, for example, a substantially U-shaped retaining ring. A so-called U-shaped retaining ring that engages the shaft in two directions, a so-called K-shaped retaining ring that engages the shaft in two directions, and a plurality of engagement pieces that are elastically deformable from the annular portion toward the inside A so-called push nut, a so-called flat push nut in which a shaft insertion hole and an elastically deformable engaging piece are formed in the center of the disc, and a plurality of engaging pieces from the annular portion toward the inside. Various types of retaining members are used, such as a so-called round speed nut that projects, and a P-type speed nut that has locking pieces that engage with the shaft 36 from two directions formed on the main body that is a substantially rectangular plate. can do. Also, depending on these retaining members,
The groove portion of the shaft 36 can also be formed in various shapes.

In the above embodiment, the ornamental body 33 of the ornamental part 31 is formed in an annular shape from the aluminum alloy whose surface is hairline-finished, but other materials and other shapes can be adopted. . For example, the shape may be a disc shape, an elliptical plate shape, a triangle formed of smooth corners, a quadrangle, a rhombus, a pentagon, a polygon having six or more hexagons, or an irregular shape such as a cloud shape. In addition to aluminum alloy, titanium alloy, metal plate such as stainless steel, polycarbonate, various nylon resins, AB
S resin, various elastomer-modified resins, resins such as unsaturated polyester, sliced wood pieces laminated with aluminum alloy, the above various resins with films attached, or the above various resins with wood grain pattern, marble Handle
It is possible to use those in which a pattern such as a carbon composite pattern is printed, foils such as gold foil are attached, and further those in which a metallizing process is applied are used.

Also, the plate 35 of the decorative component 31 can be formed from various materials as in the case of the above-mentioned decorative body 33, and the molding method is not only a method of cutting out a sheet-shaped material but also injection molding and compression molding. And the like.

As the connecting means, in addition to the connecting film 38 made of polyester resin, a resin sheet made of an elastomer such as nylon, polycarbonate or polyurethane, a synthetic paper impregnated with a resin such as polypropylene, or a woven fabric such as nylon fiber is used. Alternatively, it can be formed using a film-shaped or thin plate-shaped member such as a nonwoven fabric. Further, the shape of the connecting means can be various shapes other than the so-called keyhole shape, according to the shapes of the various decorative parts described above.

For example, as the connecting means, as shown in FIG. 5, a ribbon-like connecting film 41 having a substantially constant width from the base end to the tip can be used. When such a ribbon-shaped connecting film 41 is used, a through hole 41a through which a shaft or a rivet that is not common to the shaft 36 of the decorative component 31 is inserted is formed.
The connecting film 41 is fixed to the decorative component 31 by using a rivet or the like attached to a, or the connecting film 41 is fixed to the cover body 21, and the connecting film 41 is attached to the decorative component 31 via the cover body 21. Can be fixed to.

Further, for example, the concave portion 28 of the decorative component mounting portion 28
It is also possible to extend a plurality of leg pieces from the circular portion fitted to a and fix these leg pieces to the base plate 11 respectively.

Further, in each of the above-described embodiments, as shown in FIG. 6, an extending portion 43 which can extend along the longitudinal direction is formed at an intermediate position in the longitudinal direction of the leg piece portion 38b of the connecting film 38. As a result, the cover main body 21 can be smoothly expanded when the airbag device 3 is operated, and a strong force can be prevented from being applied to the portion where the connecting film 38 is fixed to the decorative component 31 or the base plate 11.

Further, for example, as in the connecting film 44 shown in FIGS. 7 and 8, a plurality of through holes are formed in the circular portion 45 fitted in the recess 28a of the decorative component mounting portion 28 along the vicinity of the outer peripheral portion. It is also possible to form the film-shaped contact portion 46 which forms the switch while being formed inside the through holes 45a while forming the 45a. The contact portion 46 is a connection film.
Base film 47 that composes 44, and this base film
The cover film 49 is attached to the member 47 via the joining member 48 so as not to be displaced. And
Copper foils 51 and 52, which are conductors, are attached to the opposing surfaces of the base film 47 and the cover film 49, respectively, and between the copper foils 51 and 52,
An insulating member 54 that connects the copper foils 51, 52 to each other in a state of being separated from each other is provided to form a switch.
The insulating member 54 is made of, for example, silicone.
The insulating members 54 having elasticity are arranged in a dot shape with a predetermined interval.

The leg piece portion 56 extending from the circular portion 45 of the connecting film 44 is formed with a through hole 57 through which the rivet 26 is inserted in the vicinity of the tip and along the vicinity of both side portions. , Lead wire part electrically connected to each copper foil 51, 52
51a and 52a are provided. Then, with the connecting film 44 assembled to the cover body 21, the lead wire portions 51a, 52a are connected to the horn switch device on the vehicle body side through a steering shaft, a cable reel device, and the like (not shown). It has become.

Therefore, as shown in FIG. 9, when the elastically deformable center pad 34 is pressed in a state where the connecting film 44 provided with the contact portion 46 is assembled to the cover body 21, the contact is made through the center pad 34. Part 46 is pressed and each copper foil 5
The horn switch device is activated and the horn is sounded when the first and the second 52 are in contact with each other and are in conduction.

In this way, the connecting film 44 is attached to the decorative parts.
The switch can be provided at the mounting position of the decorative component 31 by providing the switch facing the 31. Then, the annular ornament 33 makes the center pad 34, which is the operation portion of the switch, conspicuous, visually guides the operator, and ensures the operation of the switch. In addition, since a switch can be provided at a place most easily recognized by the driver, it is possible to intuitively represent the operation as compared with a configuration in which a horn symbol is integrally formed on the covering portion. The operability can be improved.

When the connecting film 44 provided with a switch is used, for example, as shown in FIG. 10, an uneven portion 61 facing the switch is formed on the back surface of the center pad 34 with a predetermined gap. This ensures the operation of the switch.

The switch provided on the connecting film 44 is not limited to the horn switch, and may be, for example, an air conditioner (air conditioner), an audio device, or a constant speed traveling device (A).
It can be used as a setting switch for SCD).

Further, in each of the above embodiments, the shaft 36 inserted into the through hole 33a of the decorative body 33 is inserted into the through hole 35a of the plate 35, and the plate 35 is attached by using a retaining member such as a retaining ring 37. Although fixed, it is also possible to use a rivet that crimps the tip without using the retaining member. Further, the shaft and the rivet may be formed integrally with the decorative body 33.

In each of the above embodiments, the airbag device 3 mounted on the steering wheel main body 2 has been described, but the shape and mounting position of the airbag device are not limited to those described above. Applicable to passenger-side passenger airbag devices built into the panel, rear-seat airbag devices built into the front seat back, or airbag devices installed at the door or side of the seat for side collisions. be able to.

[0063]

According to the cover body of the airbag apparatus of the first aspect, the cover portion of the cover body for covering the airbag is attached to the cover portion by a decorative component which is a member different from the cover portion, so that the cover portion is decorated. The decorative effect can be enhanced as compared with the configuration in which the parts are integrally formed. Since the decorative part is connected to the member to be attached by the connecting means, it can be securely held even when the airbag device operates.

According to the cover body of the airbag device of the second aspect, in addition to the effect of the first aspect, the ornament body of the ornamental component has a leg portion projecting from the ornament body, the covering portion and the connecting means. The cover part and the connecting means are sandwiched between the decorative body and the locking member by connecting the cover member and the locking member to the leg portion on the back side of the covering part and the connecting means to facilitate the decorative component. And it can be held securely. Further, since it is not necessary to perform insert molding and the decorative body is not contaminated in the molding process, the appearance can be improved and the manufacturing process can be simplified.

According to the cover body of the airbag device of the third aspect, in addition to the effect of the first aspect or the second aspect, since the switch facing the decorative component is provided in the connecting means, the decorative component is pressed. This switch can be operated. The decorative component can make the operation of the switch reliable by making the operation portion of the switch conspicuous.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a cover body of an airbag device of the present invention.

FIG. 2 is a plan view of a steering wheel including the same airbag device.

FIG. 3 is a cross-sectional view of the above airbag device.

FIG. 4 is a perspective view of the same airbag device.

FIG. 5 is a partial exploded perspective view showing another embodiment of the cover body of the airbag device of the present invention.

FIG. 6 is a perspective view showing another embodiment of the connecting means of the cover body of the airbag device of the present invention.

FIG. 7 is a plan view showing another embodiment of the connecting means of the cover body of the airbag device of the present invention.

8 is a cross-sectional view taken along the line I-I of FIG. 7 showing the above connecting means.

FIG. 9 is a sectional view of a part of the cover body provided with the above connecting means.

FIG. 10 is a partial cross-sectional view showing another embodiment of the cover body of the airbag device of the present invention.

[Explanation of symbols]

 3 Airbag device 11 Base plate 14 as attached member 14 Airbag 20 Cover body 21 Cover body 22 Covering portion 23 Mounting wall portion as mounting portion 31 Decorative component 33 Decorative body 35 Plate as locking member 36 Constituting legs Shaft 38 Connection film as connection means 46 Contact part that constitutes a switch

Claims (3)

[Claims] 1. A cover body having a covering portion for covering an airbag and a mounting portion mounted on a mounted member, a decorative component mounted on the covering portion, and connecting the decorative component and the mounted member. A cover body for an airbag device, comprising a connecting means. 2. The decorative component is a decorative body arranged on a front surface side of a covering portion, a leg portion protruding from the decorative body and penetrating the covering portion and the connecting means, and a back surface of the covering portion and the connecting means. The cover body of the airbag device according to claim 1, further comprising: a locking member disposed on a side and coupled to the leg portion. 3. The cover body for an airbag device according to claim 1, wherein the connecting means is provided with a switch that faces the decorative component.