JPH10150315A - Interior material for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a characteristic of an antenna part and to reduce the manufacture cost by providing an antenna device to an interior material provided in a compartment of an automobile. SOLUTION: A front pillar garnish 31 is fitted to a front pillar 21 of an automobile in the inside of a compartment and is composed of an antenna device 34 and a surface skin material 35 fitted to a trim 33 being made of resin parts. In the antenna device 34, a film shaped antenna part 46 is adhered to a surface side 33a of the trim 33 and a connection terminal 47 is led-out to a rear side 33b of the trim 33. The surface skin material 35 is adhered to the surface side 33a of the trim 33 while covering the antenna part 46. The connection terminal 47 is connected to a device for locking/unlocking a door.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interior material used for the interior of an automobile body, and more particularly to an interior material for an automobile having an antenna device.

[0002]

2. Description of the Related Art Conventionally, as an interior material (antenna trim) for a vehicle having an antenna device, for example, Japanese Unexamined Patent Publication No.
A front garnish described in Japanese Patent No. 31222 or the like is known. And in this configuration, the front garnish is the front pillar (body panel) of the car.
A resin part (trim) that covers the inside of the front pillar and is attached to the front pillar, and a frame that is attached to the back side of the resin part, that is, the vehicle body panel side. Alternatively, it is provided with an antenna device such as a film. Therefore, by attaching the front garnish to the front pillar, the interior of the vehicle can be decorated and the antenna can function as an antenna device of a so-called keyless entry device.

[0003]

However, in the conventional configuration in which the antenna device is mounted on the back side of the resin component, the mounting portion for the front pillar of the automobile is provided on the back side of the resin component. The shape of the antenna device is limited, and for example, it is necessary to form a notch or a hole in the antenna device in accordance with the position of the mounting portion of the resin component. In particular, when a thin flexible antenna film is used, and when the back side of the resin component is concavely curved, it is difficult to maintain and position the shape of the antenna film, and it is necessary to provide a large number of stopping points. However, there is a problem that the manufacturing process becomes complicated. Further, such a configuration in which the antenna film is attached to the resin component at a large number of stop points has a problem that the antenna film is difficult to follow when the dimensions of the resin component change due to thermal expansion or contraction. In addition, in the configuration in which the antenna device is attached to the back side of the resin component, the reception characteristics are affected by the resin component, and it takes time to adjust the characteristics (antenna tuning), making it difficult to select a pattern and increasing the manufacturing cost. Have problems. Furthermore, the reception performance (gain) is improved by separating the antenna film from the metal body panel by 5 mm or more. However, in the configuration in which the antenna device is mounted on the back side of the resin part, the back surface of the resin part and the body panel There is a problem in that it is difficult to secure such an interval in a place where is approaching.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an interior material for an automobile which has an antenna device having good characteristics and is easy to manufacture.

[0005]

According to a first aspect of the present invention, there is provided an interior material for a vehicle, wherein the resin component is mounted on a vehicle interior of a vehicle body of an automobile, and the resin component is disposed on a surface side of the resin component facing the vehicle interior. And an antenna device provided with an antenna portion disposed between the resin component and the coating material.

[0006] In this configuration, since the antenna device is provided on the resin component mounted in the cabin of the vehicle, by mounting the interior material for the vehicle, the vehicle body is formed by the resin component having the covering material disposed on the surface side. Is covered and decorated, and the antenna device is arranged at a predetermined position. Since the antenna portion of the antenna device is disposed on the front side of the resin component, the influence of the resin component on the characteristics of the antenna portion is reduced as compared with a configuration in which the antenna portion is disposed on the back side of the resin component. It is easy to separate them, and the setting of characteristics becomes easy. Since the antenna device is covered with the covering material, the appearance is easily improved.

According to a second aspect of the present invention, in the automobile interior material according to the first aspect, the antenna device includes a film-shaped antenna portion.

In this configuration, since the antenna portion in the form of a film is provided, the antenna portion is easily arranged between the surface side of the resin component and the covering material, and the effect of the antenna device on the external appearance is provided. Becomes smaller.

According to a third aspect of the present invention, there is provided an automobile interior material according to the first or second aspect, wherein the resin component has a penetrating portion penetrating from a front surface side to a rear surface side. And a connection terminal portion led out of the resin component to the rear surface side of the resin component through the through portion.

[0010] In this configuration, since the connection terminal portion is led out to the rear surface side of the resin component, wiring is facilitated, and the effect of the antenna device on the appearance is reduced.

According to a fourth aspect of the present invention, there is provided an automobile interior material according to any one of the first to third aspects, wherein the antenna portion of the antenna device is bonded to a surface of a resin component.

In this configuration, the antenna section is easily arranged at a predetermined position on the resin component.

According to a fifth aspect of the present invention, there is provided an automobile interior material according to any one of the first to fourth aspects, wherein the covering material is a decorative material having non-transparency.

[0014] In this configuration, the antenna portion of the antenna device is covered with the covering material serving as a decorating material and becomes invisible, so that the appearance is improved.

According to a sixth aspect of the present invention, there is provided an automotive interior material according to any one of the first to fifth aspects, wherein the resin component is a pillar-shaped vehicle which is formed upright next to a vehicle compartment and forms a vehicle body. It can be installed indoors.

In this configuration, the interior material for automobiles is hardly interrupted by radio waves because no large metal plate is disposed around the interior material, and is attached to a pillar erected adjacent to the cabin, so that decoration can be provided. The effect is high, and the characteristics of the antenna section are easily improved.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle interior material according to an embodiment of the present invention.

In FIG. 4, reference numeral 1 denotes an automobile. The automobile 1 has a vehicle body 11, and the vehicle body 11 is configured by attaching a plurality of metal door panels 14 to a metal body main body 12. The body body 12 has a roof 16 and supports the roof 16 so that a front pillar 21, a center pillar 22, and a rear pillar
23 are provided in pairs on both sides.

The roof 16 of the body 12, the pillars 21, 22, 23, the windshield 25 fixed between the front pillars 21, the window glass 26 attached to the door panel 14, and the center pillar 22 and the rear pillar A vehicle room 28 is surrounded by a window glass 27 attached to the vehicle 23 and the like. Also, in this cabin 28,
The front and rear seats are mounted, and the right front seat is the driver's seat.

As shown in FIGS. 1 to 3, a front pillar garnish (decorative antenna trim) 31 for covering the inner panel of the front pillar 21 is provided inside the cabin 28 as an interior material for an automobile. Installed. In addition to the front pillar garnish 31, inside the passenger compartment 28, as a vehicle interior material, a center pillar garnish covering the center pillar 22, a rear pillar garnish covering the rear pillar 23, a door trim covering the door panel 14, a roof 16 A roof garnish that covers the vicinity of the ends on both sides of the vehicle, an instrument panel, a rear par shell board, and the like are provided.

Also, the right front pillar garnish
31 is configured by attaching an antenna device (antenna film) 34, a skin material (decorative material) 35 as a covering material, and the like to a trim 33 as a resin component.

The trim 33 is integrally formed of an insulating synthetic resin, and covers the inside of the front pillar 21 so that the metal front pillar 21 is not exposed to the passenger compartment 28. I have. Further, the trim 33 is formed with a trim main body 41 which has an elongated plate shape and is slightly curved corresponding to the shape of the front pillar 21. The front surface 33a of the trim main body 41 has a smoothly bulging curved surface, while the terminal mounting portion 42 protrudes from the rear surface 33b of the trim main body 41 in the vicinity of one end in the longitudinal direction. In addition, a positioning portion 43 and a mounting portion (not shown) are protruded continuously or at predetermined intervals along the longitudinal direction. The mounting portion engages with the front pillar 21 directly or via a clip made of metal or the like, and holds the trim 33. In a state where the trim 33 is attached to the front pillar 21, the positioning portion 43 contacts the front pillar 21, and positions the trim 33 at a predetermined position separated from the front pillar 21 by a predetermined dimension. Further, the terminal mounting portion 42 includes a boss 42a protruding toward the rear surface 33b, and a hole 42b such as a screw hole or a recess formed inside the boss 42a.
In the vicinity of the terminal mounting portion 42, a through portion 44 penetrating from the front surface 33a side of the trim main body 41 to the back surface 33b side is formed.

The antenna device 34 includes an elongated rectangular film-shaped (sheet-shaped) antenna portion 46, a narrow connection terminal portion 47 extending from one end in the longitudinal direction of the antenna portion 46, and Is provided. And the antenna section 46
Is formed by embedding or printing an antenna wire in a predetermined pattern on a resin film, for example, to transmit and receive radio waves. Also, connection terminal
47 is formed, for example, by embedding or printing an electric wire connected to the antenna wire in a resin film integrated with the antenna section 46. And this antenna device 34
In the state where the connection terminal portion 47 is led out from the front surface 33a side to the back surface 33b side through the through portion 44, the antenna portion 46 is
It is attached to the trim 33 by bonding it to a predetermined position on the surface 33a of the surface 41 using an adhesive or the like.

Further, the connection terminal portion 47 led out to the back surface 33b side is a screw (tap screw) screwed into the hole portion 42b.
The terminal device (HARN-CONN) 51 is connected (supplied) to a connection piece 51a of a terminal device (48) by a 48, and the terminal device 51 is a control device for driving a door lock through a lead wire 52 to perform locking / unlocking. It is connected to a so-called keyless entry device.

On the other hand, the skin material 35 is non-transparent, that is, made of a material such as skin, cloth, synthetic leather or the like, which cannot be seen through the underlying material.
Is attached to the trim 33 so as to cover a portion of the trim body 41 from the front surface 33a to a part of the rear surface 33b.

Then, with the front pillar garnish 31 constructed as described above attached to the front pillar 21, a portable remote control transmitter is operated within a predetermined range from the vehicle body 11, and a weak 315 MHz, for example, is transmitted. When the control signal wave is transmitted, the control signal wave is received by the antenna device 34 provided in the front pillar garnish 31, and is input to the control device. Then, the control device drives a door lock provided on each door panel 14 to lock or unlock each door lock.

As described above, according to the present embodiment, the antenna device 34 is attached to the front pillar garnish 31 as an interior material for a vehicle, which is mounted in the cabin 28 of the vehicle body 11 of the vehicle 1.
By attaching this front pillar garnish 31 to the front pillar 21, the front pillar
21 can be decorated by covering it with the skin material 35 of the front pillar garnish 31, and the antenna device 34 can be easily arranged at a predetermined position.

Further, since the antenna portion 46 of the antenna device 34 is disposed on the front surface 33a side of the trim 33 which is a resin component, the trim 33 with respect to the reception characteristics of the antenna portion 46 is compared with the configuration in which the antenna portion 46 is disposed on the rear surface 33b side. And it is easy to separate the antenna section 46 from the metal front pillar 21 by a predetermined dimension, for example, within a range of 5 mm to 50 mm. For example, the capacitor effect can be suppressed, and the gain and omnidirectionality can be reduced. It is possible to facilitate setting and adjustment (tuning) of characteristics such as the above, facilitate selection of an antenna pattern, and reduce manufacturing cost.

Further, the rear surface 33b side of the trim 33 is gently recessed and is provided with a mounting portion and the like. In order to arrange the antenna portion 46 on the rear surface 33b side of the trim 33, these mounting portions are required. However, in the present embodiment, since the antenna section 46 is disposed on the surface 33a side of the trim 33, only the rectangular film-shaped antenna section 46 is adhered. Antenna device 34
Can be easily attached to the trim 33, and the manufacturing cost can be reduced.

Since the antenna device 34 has a film shape and is covered or decorated with a skin material 35 having non-transparency, the antenna device 34 does not affect the appearance and the appearance is easily improved. Can be

The antenna unit 46 of the antenna device 34
Since it is formed in a film shape and disposed so as to be sandwiched between the trim 33 and the skin material 35, it can be easily and firmly attached, and the manufacturing cost can be reduced.

The connection terminal 47 of the antenna device 34
Is led out to the rear surface 33b side of the trim 33 through the penetrating portion 44, so that the wiring can be facilitated and the manufacturing cost can be reduced, and the effect of the antenna device 34 on the external appearance is reduced, thereby reducing the manufacturing cost. be able to.

The front pillar garnish 31 is
Since the radio wave is not blocked by the large metal plate and can be attached to the front pillar 21 standing upright facing the occupant, the effect of decoration is high, and it is covered by a large metal plate such as the door panel 14, for example. As compared with a door trim or the like, characteristics such as gain and omnidirectionality of the antenna unit 46 can be easily improved.

In the above embodiment, the so-called right-hand drive vehicle 1 in which the front right seat is the driver's seat has been described. However, the present invention is applied to a so-called left-hand drive vehicle in which the front left seat is the driver's seat. And may be applied to various automobiles. In the above embodiment, the right front pillar garnish 31 is the front pillar garnish 31 provided with the antenna device 34.However, the left front pillar garnish 31 may be provided with the antenna device 34, The antenna device 34 can be provided in the front pillar garnish 31. Further, the antenna device 34 has a front pillar garnish.
Not limited to 31, the center pillar garnish, rear pillar garnish, door trim, roof garnish, or instrument panel, rear par shell board, or other automotive interior materials can be provided.

In the above-described embodiment, the antenna device 34 is connected to the keyless entry device. However, the antenna device 34 can be connected to, for example, a radio receiving device, a television receiving device, or the like.

[0036]

According to the automobile interior material according to the first aspect, since the antenna device is provided on the resin component mounted in the interior of the automobile, the front side is covered by mounting the automobile interior material. The vehicle body can be covered and decorated with a resin component on which the material is disposed, and the antenna device can be disposed at a predetermined position and used for various purposes. Also,
Since the antenna portion of the antenna device is disposed on the front side of the resin component, the effect of the resin component on the characteristics of the antenna portion can be reduced as compared with a configuration in which the antenna portion is disposed on the back side of the resin component, and the antenna portion is separated from the vehicle body by a predetermined size. Separation is facilitated, characteristics can be easily set, and manufacturing costs can be reduced. Since the antenna device is covered with the covering material, the appearance can be easily improved.

According to the automobile interior material according to the second aspect,
In addition to the effect of claim 1, the antenna device is provided with the film-shaped antenna portion, so that the antenna portion can be easily arranged between the surface side of the resin component and the covering material, and the manufacturing cost can be reduced. The external appearance can be improved by reducing the influence of the antenna device on the external appearance.

According to the automobile interior material according to the third aspect,
In addition to the effects of the first or second aspect, the connection terminal portion of the antenna device is led out to the back surface side of the resin component through the through portion, so that wiring can be facilitated and manufacturing cost can be reduced. The influence on the appearance can be reduced, and the manufacturing cost can be reduced.

According to the automobile interior material of the fourth aspect,
In addition to the effects of any one of claims 1 to 3, the antenna unit of the antenna device is adhered to the front surface of the resin component, so that the antenna unit is easily arranged at a predetermined position of the resin component, thereby reducing the manufacturing cost. can do.

According to the automobile interior material of the fifth aspect,
In addition to the effect of any one of claims 1 to 4, the covering material is a non-transparent decorating material, so that the antenna portion of the antenna device is covered with the decorating material and becomes invisible, improving the appearance. can do.

According to the automotive interior material of claim 6,
In addition to the effects described in any one of claims 1 to 5, the automobile interior material is hardly shielded by radio waves because a large metal plate is not disposed around the interior material, and is attached to a pillar standing upright adjacent to the vehicle compartment. Therefore, the effect of decorating is high, and the characteristics of the antenna unit can be easily improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along a line AA in FIG. 3, showing one embodiment of an automobile interior material of the present invention.

FIG. 2 is a cross-sectional view of the interior material for an automobile, taken along the line BB in FIG. 3;

FIG. 3 is a plan view showing a state where a covering material of the interior material for an automobile is removed.

FIG. 4 is a perspective view of an automobile provided with the interior material for the automobile.

[Explanation of symbols]

1 Automobile 11 Body 28 Cabin 31 Front pillar garnish as interior material for car 33 Trim as resin part 33a Surface 33b Back surface 34 Antenna device 35 Skin material as coating material 44 Penetrating part 46 Antenna part 47 Connection terminal part

Claims (6)

[Claims] 1. A resin component mounted in a vehicle interior of a vehicle body constituting an automobile, a coating material disposed on a surface side of the resin component facing the vehicle interior, and a resin material between the resin component and the coating material. An interior material for a vehicle, comprising: an antenna device provided with an antenna unit to be arranged. 2. The interior material for a vehicle according to claim 1, wherein the antenna device includes an antenna portion having a film shape. 3. The resin component has a penetrating portion penetrating from the front surface side to the rear surface side, and the antenna device is connected to a connection terminal portion led out from the antenna portion and led to the rear surface side of the resin component through the penetrating portion. The interior material for a vehicle according to claim 1 or 2, further comprising: 4. The interior material for a vehicle according to claim 1, wherein the antenna portion of the antenna device is adhered to a surface side of the resin component. 5. The automotive interior material according to claim 1, wherein the coating material is a decorative material having a non-transparency. 6. The interior material for an automobile according to claim 1, wherein the resin component is attached to a vehicle interior side of a pillar which constitutes a vehicle body and is erected adjacent to the vehicle interior.