JP2011046314A - Speaker mounting structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a speaker mounting structure of a vehicle arranging a speaker on an instrument panel rear part and guiding a sound from the speaker to a position of an occupant by reflecting the sound on a reflecting surface provided on a step portion, whereby the speaker is arranged by effectively utilizing the instrument panel rear part provided continuously to the step part. <P>SOLUTION: The speaker mounting structure of a vehicle includes an instrument panel 7 having: a step part 11 provided on an intermediate part in the longitudinal direction of an instrument panel upper surface 8 positioned below a front window 6; an instrument panel front part 12 positioned in front of the step part 11 on the instrument panel upper surface 8; an instrument panel rear part 13 positioned in rear of the step part 11 on the instrument panel upper surface 8 and lower than the instrument panel front part 12. A speaker 15 is arranged on the instrument panel rear part 13. A reflecting surface RE for reflecting the sound from the speaker 15 and guiding the sound in a rearward direction is provided on the step portion 11. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle speaker mounting structure in which a speaker is attached to an instrument panel located in a vehicle compartment under a front window.

Conventionally, when a speaker is provided on an instrument panel, the speaker is laid out at the rear position of a defroster duct that blows out the defogging conditioned air on the front window. However, if the information providing device is moved forward in the longitudinal direction of the vehicle in the instrument panel for the purpose of improving the visibility of the passenger of the navigation device or other information providing device, the speaker and the information providing device interfere with each other. Thus, the layout of the speaker becomes difficult.
On the other hand, if an attempt is made to lay out the speaker behind the defroster duct so as not to interfere with the information providing device, the speaker is required to be greatly reduced in size, and it is difficult to maintain sufficient performance as a speaker. .

  By the way, in Patent Document 1, side speakers are attached to the upper left and right of the instrument panel, a reflector is provided on the upper part of each side speaker or the outer end in the vehicle width direction, and the sound from the side speaker is reflected by the reflector. Although a speaker system configured to guide the passenger is disclosed, there is a problem in that a reflection plate as a separate member is required and the appearance is deteriorated.

  Patent Document 2 discloses a configuration in which a speaker that outputs various kinds of audio information to a driver (driver) is provided at the lower part of the meter hood, and the sound wave emission surface of the speaker is directed toward the rear of the vehicle. However, there is no disclosure or suggestion about the technical idea that the sound from the speaker is reflected by the hood.

  Further, in Patent Document 3, a speaker is incorporated in a front portion of the instrument panel below the front window, where the instrument panel faces the front window, and the sound from the speaker is reflected by the front window. The vehicle speaker arrangement structure configured to guide the occupant is disclosed, but the technical idea of effectively reflecting the sound from the speaker using the instrument panel is not disclosed at all. There is no suggestion.

JP 2005-27054 A JP 2007-55430 A Japanese Utility Model Publication No. 58-173984

  In view of this, the present invention is provided with a step portion formed in the front-rear direction intermediate portion of the upper surface portion of the instrument panel, an instrument panel front portion positioned in front of the step portion, a rear portion of the step portion, and a lower side of the instrument panel front portion. An instrument panel having an instrument panel rear portion, a speaker is disposed on the instrument panel rear portion, and a reflection surface that reflects the sound from the speaker and guides it rearward is provided on the step portion, so that the instrument panel rear portion is continuous with the step portion. An object of the present invention is to provide a speaker mounting structure for a vehicle in which a speaker can be arranged by effectively utilizing the above.

  The present invention is also provided with a step portion formed in the front-rear direction intermediate portion of the upper surface portion of the instrument panel, an instrument panel front portion positioned in front of the step portion, a rear portion of the step portion, and a lower side of the instrument panel front portion. An instrument panel having an instrument panel rear part is provided, a speaker is arranged on the step part, and a reflective surface that reflects sound from the speaker and guides it rearward is provided on the instrument panel rear part, thereby effectively utilizing the step part. It is an object of the present invention to provide a speaker mounting structure for a vehicle in which a speaker can be disposed.

A speaker mounting structure for a vehicle according to the present invention includes a step portion formed at a vehicle front-rear direction intermediate portion of an upper surface portion of an instrument panel located in a vehicle interior under a front window, and a position positioned forward of the step portion on the upper surface portion of the instrument panel. Of the instrument panel having an instrument panel front portion and an instrument panel rear portion located behind the step portion and below the instrument panel front portion on the instrument panel upper surface portion. In the speaker mounting structure, the speaker is disposed in the rear portion of the instrument panel, and a reflection surface that reflects sound from the speaker and guides it backward is provided in the stepped portion.
The above-described speaker may be set as a center speaker or a side speaker.
According to the above configuration, the speaker is disposed at the rear of the instrument panel, and the sound from the speaker is reflected by the reflecting surface formed on the stepped portion and guided to the occupant. Therefore, the rear of the instrument panel that is continuous with the stepped portion is effectively used. Thus, a speaker can be provided.

The speaker mounting structure for a vehicle according to the present invention also includes a step portion formed in a vehicle front-rear direction middle portion of an instrument panel upper surface portion located in a vehicle compartment below the front window, and a front portion of the instrument panel upper surface portion from the step portion. The instrument panel is attached to an instrument panel having an instrument panel front portion located at the rear of the instrument panel and a rear portion of the instrument panel located rearward of the step portion and lower than the instrument panel front portion. In the vehicle speaker mounting structure, the speaker is disposed in the stepped portion, and a reflection surface that reflects sound from the speaker and guides it backward is provided in the rear portion of the instrument panel.
According to the above configuration, the speaker is arranged at the stepped portion, and the sound from the speaker is reflected by the reflecting surface formed at the rear of the instrument panel and guided to the occupant. Therefore, the speaker is arranged using the stepped portion effectively. Can be set.

In one embodiment of the present invention, the rear end of the instrument panel front portion is located behind the front end of the instrument panel rearward in the vehicle front-rear direction, and the reflecting surface is directed from the rear end of the instrument panel front portion toward the front end of the instrument panel rear portion. And inclined forward and downward.
According to the above configuration, since the reflecting surface is provided so as to be inclined forward and downward (inclined to the front, rear, and rear), the sound of the speaker provided at the rear of the instrument panel is transmitted to the rear passenger side on the reflecting surface. It can be reflected efficiently.

In one embodiment of the present invention, the rear part of the instrument panel is inclined toward the front of the vehicle with respect to the horizontal plane so that the front part is positioned below the rear part.
According to the above configuration, the sound from the speaker provided at the rear of the instrument panel is reflected by the reflecting surface by inclining the rear of the instrument panel toward the front of the vehicle with respect to the horizontal plane (inclined in the front low rear height). Can be led backward.

In one embodiment of the present invention, the speaker is disposed downward with respect to the stepped portion, and the reflection surface is disposed below the speaker arrangement position.
According to the above configuration, the reflection surface is provided below the speaker arrangement position, so that the sound from the speaker provided at the step portion can be reflected and efficiently guided backward.

In one embodiment of the present invention, an audio unit that outputs acoustic data to the speaker is provided inside the instrument panel below the rear of the instrument panel, and the front of the audio unit is positioned below the rear. Inclined and arranged toward the front of the vehicle, the inclination of the arrangement angle of the audio unit is set larger than the inclination of the rear of the instrument panel, and a speaker is arranged between the rear of the instrument panel and the audio unit. .
According to the above configuration, since the inclination angle of the rear portion of the instrument panel and the inclination angle of the audio unit are made different and the speaker is disposed in the space between the two (the rear portion of the instrument panel and the audio unit), the space can be effectively used. In addition, the layout of the speaker and the audio unit can be compatible.

  In one embodiment of the present invention, an information providing device that displays and provides information related to a vehicle to an occupant is provided in the interior of the stepped portion, and the sound from the speaker is reflected behind the information providing device. A reflective surface is formed to guide backward.

The information providing device described above may be a navigation device or a device that displays the vehicle speed, the presence / absence of wearing a seat belt, and the like to the occupant.
According to the above configuration, the information providing apparatus can be provided at a position as far as possible from the occupant and in the inner part of the stepped portion, thereby achieving both improvement in the visibility of displayed information and ensuring the layout of the speaker. be able to.

In one embodiment of the present invention, the reflecting surface is formed so as to extend in the vehicle width direction, and the reflecting surface is positioned so that the occupant side end of the reflecting surface is located in front of the vehicle occupant side end. It is formed in a curved surface shape.
According to the above configuration, since the reflecting surface is formed in a curved shape so that the occupant side end portion is positioned in front of the vehicle with respect to the anti-occupant side end portion in the vehicle width direction, the sound from the speaker is reflected on the reflecting surface. The reflected sound is efficiently transmitted to the passenger.

In one embodiment of the present invention, the speaker is attached to the rear portion of the instrument panel via an attachment portion, and the attachment inclination angle of the speaker to the rear portion of the instrument panel is changed by changing the attachment angle of the attachment portion to the rear portion of the instrument panel. It is structured as much as possible.
According to the above configuration, since the mounting angle of the speaker can be changed by changing the mounting angle of the mounting portion, the degree of freedom in design can be improved.

  According to this invention, the step part formed in the front-rear direction intermediate part of the instrument panel upper surface part, the instrument panel front part located in front of the step part, the rear part of the step part, and the lower part of the instrument panel front part An instrument panel having an instrument panel rear part is provided, a speaker is arranged at the instrument panel rear part, and a reflection surface that reflects the sound from the speaker and guides it backward is provided at the step part. There is an effect that the speaker can be arranged by effectively using the.

The front view which shows the state which looked at the instrument panel provided with the speaker mounting structure of the vehicle of this invention from the vehicle interior side Side view including vehicle body structure along line AA in FIG. 2 is an enlarged side view of the main part of FIG. Plane part around instrument panel with vehicle speaker mounting structure 4 is a cross-sectional view taken along line BB in FIG. Partial enlarged side view of FIG. Spring nut perspective view Illustration when changing the mounting angle of the speaker Partial side view showing another embodiment of the speaker mounting structure Side view showing still another embodiment of vehicle speaker mounting structure Side view showing still another embodiment of vehicle speaker mounting structure Side view showing still another embodiment of vehicle speaker mounting composition Side view showing still another embodiment of vehicle speaker mounting structure Side view showing still another embodiment of vehicle speaker mounting structure

  The step part formed in the vehicle front-rear direction intermediate part of the upper part of the instrument panel located in the vehicle compartment under the front window for the purpose of effectively using the rear part of the instrument panel that is continuous with the step part of the instrument panel An instrument panel front portion positioned in front of the step portion in the instrument panel upper surface portion; and an instrument panel rear portion positioned rearward of the step portion in the instrument panel upper surface portion and lower than the instrument panel front portion. A speaker mounting structure for a vehicle to which a speaker is attached to an instrument panel, wherein the speaker is disposed at a rear portion of the instrument panel, and a reflection surface that reflects sound from the speaker and guides it backward is provided on the stepped portion. It was realized by the configuration that is provided in.

An embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a vehicle speaker mounting structure, FIG. 1 is a front view of the instrument panel as viewed from the vehicle interior side, FIG. 2 is a side view including the vehicle body structure along the line AA in FIG. FIG. 2 is an enlarged side view of a main part of FIG. 2, and in FIG. A fixed header cross section 4 extending in the vehicle width direction is formed between the roof panel 2 and the front header 3 in a fixed manner.

  The front header 3 and the lower surface of the roof panel 2 are covered with a top sealing 5 as an interior member, and a front window 6 is provided so as to extend obliquely forward and downward from the front end of the roof panel 2.

In the above-described vehicle compartment 1, an instrument panel 7 supported by an instrument panel member (not shown) is disposed below the front window 6 as shown in FIGS. Yes.
The instrument panel 7 includes an instrument panel upper surface portion 8 located in a vehicle compartment below the front window 6, an instrument panel central lower portion 9 extending downward continuously from the instrument panel upper surface portion 8 at the instrument panel central portion, and the instrument panel lower central portion 9. Instrument panel lower surface portions 10D and 10P (see FIG. 1) on the driver's seat side and the passenger seat side extending in the vehicle width direction on both the left and right sides.

  As shown in FIG. 3, a step portion 11 is formed in the middle portion of the above-mentioned instrument panel upper surface portion 8 in the vehicle front-rear direction. Further, an instrument panel front portion 12 is formed on the above-mentioned instrument panel upper surface portion 8 so as to be located above and in front of the step portion 11, and is located on the instrument panel upper surface portion 8 below and below the step portion 11. An instrument panel rear portion 13 located below the front portion 12 is formed.

In this embodiment, the rear end 12R of the instrument panel front portion 12 is formed so as to be located behind the front end 13F of the instrument panel rear portion 13 in the front-rear direction of the vehicle. The part 11 and the instrument panel rear part 13 are formed so as to form a substantially Z-shape.
A folded portion 14 extending downward and forward from the rear end 12R of the instrument panel front portion 12 is formed integrally with the instrument panel front portion 12, and the folded portion 14 constitutes a part of the step portion 11.

Moreover, a speaker 15 (specifically, a center speaker) is attached to the lower surface of the instrument panel rear portion 13 described above. The speaker 15 has a voice coil 15a. The speaker 15 is mounted such that the sound wave emitting surface faces upward and the voice coil 15a is positioned on the lower side. The speaker 15 is attached to the speaker 15 mounting surface of the rear panel 13 of the instrument panel. A speaker grill 13a is formed.
Further, a non-reflective transparent plate 16 made of glass or resin is provided between the above-described stepped portion 11, specifically, between the front end of the folded portion 14 and the front end 13 F of the instrument panel rear portion 13, and this non-reflective transparent plate The rear surface 16 is set as a reflection surface RE that reflects sound from the speaker 15 and guides it backward.

  As shown in FIG. 3, the reflecting surface RE is provided to be inclined forward and downward from the rear end 12R of the instrument panel front portion 12 (specifically, the front end of the folded portion 14) toward the front end 13F of the instrument panel rear portion 13. .

In this embodiment, the non-reflective transparent plate 16 and the reflective surface RE on the rear surface are curved to have a predetermined curvature, and the sound from the speaker 15 is diffusely reflected by the reflective surface RE by the round structure. By transmitting to the audio-visual area Y (especially the auditory area) of the occupant X shown in FIG. 2, the occupant X is configured to guide the sound to an easily hearable range.
Here, the above-described instrument panel rear portion 13 is configured to be inclined at a predetermined angle, for example, about 15 degrees toward the front of the vehicle with respect to the horizontal plane so that the front portion thereof is positioned below the rear portion.

On the other hand, inside the instrument panel 7 below the instrument panel rear part 13 (specifically, inside the center panel), an audio unit 17 that outputs acoustic data to the speaker 15 and a heater control that controls the air conditioning temperature. Unit 18 is provided.
The audio unit 17 described above is formed with an operation unit 17a having a display unit on its rear surface, and the operation unit 17a can be viewed and operated from the opening 19 of the center panel.

Similarly, the above-described heater control unit 18 is formed with an operation portion 18a having a display portion on its rear surface, and the operation portion 18a can be viewed and operated from the opening 20 of the center panel.
The audio unit 17 described above is inclined toward the front of the vehicle so that the front part is positioned below the rear part, and the heater control unit 18 is parallel to the audio unit 17 at the lower part of the audio unit 17. It is arranged to become.
Moreover, the inclination of the arrangement angle (for example, about 30 degrees) of the audio unit 17 is set to be larger than the inclination of the rear panel 13 (an inclination of about 15 degrees), and the instrument panels having the different inclination angles are set. The speaker 15 described above is disposed in a space between the lower surface of the rear portion 13 and the upper surface of the audio unit 17.

Further, as shown in FIG. 3, a navigation device 21 is provided as an information providing device that displays and provides information on the vehicle to the occupant, and this navigation device 21 is provided on the non-reflective transparent plate 16 constituting the above-described step portion 11. It is arranged at the inner back (vehicle front side).
The above-described navigation device 21 has a display unit 21a, and the display unit 21a is disposed so as to face the occupant X side, that is, the rear of the vehicle.

The reflection surface RE for reflecting the sound from the speaker 15 and guiding it backward is formed by the non-reflective transparent plate 16 behind the navigation device 21 described above.
That is, the non-reflective transparent plate 16 is formed to be transparent so that the occupant X can visually recognize the display unit 21a of the navigation device 21 and to act to reflect sound from the speaker 15. In short, the non-reflective transparent plate 16 achieves both a light transmitting action and a sound reflecting action.

By the way, an air conditioning unit 22 is disposed between the above-described instrument panel 7 and a dash lower panel (dash panel) (not shown). A predetermined portion of the air conditioning unit 22 and a front portion of the instrument panel front portion 12 are disposed. A defroster duct 24 communicates with the defroster outlet 23 formed at the bottom.
Further, as shown in FIG. 1, side vent outlets 25 and 25 are provided on the left and right side portions of the instrument panel 7, while the driver's seat side of the instrument panel 7 is steered via a steering column (not shown). A wheel 26 is provided.

Thus, the vehicle speaker mounting structure (corresponding to claims 1, 3, 4, 6, 7) of the first embodiment shown in FIGS. 1 to 3 is located in the vehicle compartment 1 below the front window 6. A step portion 11 formed at an intermediate portion in the vehicle front-rear direction of the instrument panel upper surface portion 8, an instrument panel front portion 12 positioned in front of the step portion 11 in the instrument panel upper surface portion 8, and the step difference in the instrument panel upper surface portion 8. A speaker mounting structure for a vehicle in which a speaker 15 is attached to an instrument panel 7 having an instrument panel rear part 13 located behind the instrument panel 11 and located below the instrument panel front part 12. The speaker 15 is disposed on the rear portion 13 of the instrument panel, and a reflection surface RE that reflects the sound from the speaker 15 and guides it backward is provided on the step portion 11 (see FIG. 3).
In this embodiment, the speaker 15 is set as a center speaker.
According to this configuration, the speaker 15 is disposed on the rear portion 13 of the instrument panel, and the sound from the speaker 15 is reflected by the reflecting surface RE formed on the stepped portion 11 to the occupant X (particularly, the audiovisual region Y). Therefore, the speaker 15 can be disposed by effectively utilizing the instrument panel rear portion 13 continuing to the step portion 11.

Further, the rear end 12R of the instrument panel front part 12 is located behind the front end 13F of the instrument panel rear part 13 in the vehicle longitudinal direction, and the reflection surface RE extends from the rear end 12R of the instrument panel front part 12 to the front end 13F of the instrument panel rear part 13. Inclined forward and downward toward the front (see FIG. 3).
According to this configuration, since the reflection surface RE is provided to be inclined forward and downward (inclination to the front and rear and rear), the sound of the speaker 15 provided in the instrument panel rear portion 13 is rearward by the reflection surface RE. Can be efficiently reflected toward the passenger X side.

Further, the instrument panel rear portion 13 is inclined toward the front of the vehicle with respect to the horizontal plane so that the front portion thereof is positioned below the rear portion (see FIG. 3).
According to this configuration, the sound from the speaker 15 provided in the instrument panel rear part 13 is reflected on the reflection surface RE by inclining the instrument panel rear part 13 toward the front of the vehicle with respect to the horizontal plane (inclination in the front low rear height). Can be reflected and effectively led backward.

In addition, an audio unit 17 that outputs acoustic data to the speaker 15 is provided inside the instrument panel 7 (inside the center panel) below the instrument panel rear portion 13, and the front portion of the audio unit 17 with respect to the rear portion. The audio unit 17 is inclined so as to be positioned downward and the inclination of the audio unit 17 is set larger than the inclination of the instrument panel rear portion 13 (in this embodiment, the inclination angle of the instrument panel rear portion 13 is about 15). The inclination angle of the audio unit 17 is set to about 30 degrees with respect to the angle, and the speaker 15 is disposed in the space between the rear panel 13 and the audio unit 17 (see FIG. 3).
According to this configuration, the inclination angle of the instrument panel rear portion 13 and the inclination angle of the audio unit 17 are made different, and the speaker 15 is disposed in the space between the two (the instrument panel rear portion 13 and the audio unit 17). Effective use can be achieved, and the layout of the speaker 15 and the audio unit 17 can be compatible.

Furthermore, an information providing device (see the navigation device 21) for displaying and providing information related to the vehicle to the occupant X is provided in the inner part (vehicle front side) of the step portion 11, and the information providing device (navigation device 21) is provided. A reflection surface RE for reflecting the sound from the speaker 15 and guiding it to the rear is formed behind.
In this embodiment, the navigation device 21 is shown as the information providing device. However, instead of the navigation device 21, other information providing devices that display information such as the vehicle speed and the presence / absence of seat belts to the passengers. May be.
According to this configuration, the information providing device (see the navigation device 21) can be provided at a position as far as possible from the occupant and in the interior of the step portion 11, and the visibility of displayed information can be improved, and the speaker 15 can be provided. It is possible to achieve compatibility with securing the layout of

4 to 8 show other embodiments of the vehicle speaker mounting structure, FIG. 4 is a plan view of the instrument panel and its peripheral portion, and FIG. 5 is a cross-sectional view taken along line B-B in FIG. 6 is a partially enlarged view of FIG. 5, FIG. 7 is a perspective view of a spring nut, and FIG. 8 is an explanatory view when the mounting angle of the speaker is changed.
4 to 8, the same reference numerals are given to the same portions as those in the previous drawings, and detailed description thereof is omitted. In the figure, arrow F indicates the front of the vehicle, and arrow R indicates the rear of the vehicle.

  In Example 1 shown in FIGS. 1-3, the instrument panel 7 was comprised by one member, but in this Example 2 shown in FIGS. 4-8, the instrument panel 7 is a front part. The instrument panel 7F and the rear instrument panel 7R are two members.

As shown in FIG. 5, the rear instrument panel 7R located on the upper side and the rear side with respect to the front instrument panel 7F includes an instrument panel front part 12, a rear end 12R, a folded part 14, a step part 11, an instrument panel rear part 13, and a speaker grille. 13a and the opening 19 are formed under substantially the same conditions as in the first embodiment, and are inclined forward and downward from the rear end 12R of the instrument panel front part 12 toward the front end 13F of the instrument panel rear part 13, and are round-shaped reflecting surfaces RE. Is configured using a non-reflective transparent plate 16.
Further, as shown in FIG. 4, side vent air outlets 25, 25 are formed on both sides in the vehicle width direction of the rear instrument panel 7 </ b> R described above, and at a portion facing the steering wheel 26 in the front-rear direction. A meter hood 27 is formed.

As shown in FIG. 5, the front instrument panel 7 </ b> F located on the lower side and the front side with respect to the rear instrument panel 7 </ b> R includes a horizontal part 30 that is continuous with the instrument panel front part 12 from the front side to the rear side, A step portion 31 extending downward from the rear end of the horizontal portion 30, a slant portion 32 extending downward from the lower end of the step portion 31, a vertical wall portion 33 extending downward from the rear end of the slant portion 32, and a vertical wall A speaker mounting portion 34 that extends rearward from the lower end of the portion 33 and is located below the instrument panel rear portion 13 and an L-shaped folded portion 35 that is folded back from the rear end of the speaker mounting portion 34 are integrally formed. It is a thing.
As shown in FIG. 4, a defroster outlet 23 is formed in the horizontal portion 30 of the front instrument panel 7 </ b> F.

By the way, the above-mentioned speaker 15 is attached to the instrument panel rear portion 13 via a speaker attachment portion 34 as an attachment portion.
That is, as shown in a partially enlarged view in FIG. 6, the speaker 15 has a voice coil 15a and a flange portion 15b, while the speaker mounting portion 34 has an opening 34a for speaker mounting. The speaker 15 has a plurality of spring nuts 36 and 36 inserted from the radially inner side to the lip of the opening 34a, and screws 37 and 37 (attachment) for fastening and fixing the flange portion 15b of the speaker 15 to the spring nut 36. Are attached to the speaker attachment portion 34.

Here, as shown in the perspective view of FIG. 7, the above-described spring nut 36 is formed by integrally forming an upper piece 36a and a lower piece 36b in a horizontal U-shape, and the lower piece 36b is nuts by burring or the like. The part 36c is integrally formed.
For this reason, as shown in FIG. 6, the above-described screw 37 is placed under the spring nut 36 via the opening of the flange portion 15b of the speaker 15, the opening of the upper piece 36a of the spring nut 36, and the opening of the speaker mounting portion 34. When fastened to the nut portion 36c of the piece 36b, the speaker 15 can be attached to the speaker attachment portion 34.

  In this embodiment, the mounting inclination angle of the speaker 15 with respect to the instrument panel rear portion 13 is changed by changing the mounting angle of the speaker mounting portion 34 with respect to the instrument panel rear portion 13.

Specifically, as shown in FIG. 8, between the upper surface 36a of the upper portion 36a of the spring nut 36 on one side (the rear side of the vehicle is illustrated in FIG. 8) and the lower surface of the flange portion 15b of the speaker 15 facing this. In addition, when an arbitrary number of washers 38 (interposition members) are interposed, the mounting inclination angle of the speaker 15 to be tightened with the screws 37 and the spring nut 36 with respect to the rear panel 13 of the instrument panel can be changed. That is, in this embodiment, the mounting angle of the speaker mounting portion 34 with respect to the instrument panel rear portion 13 is configured to be indirectly changed by using a predetermined number of washers 38. As shown in FIG. If the washer 38 is provided on the rear side, the inclination angle of the front, rear, and rear height of the speaker 15 can be increased. Conversely, if the washer 38 is provided on the front side of the vehicle, the front, rear, and rear height of the speaker 15 is increased. The tilt angle can be reduced, and the tilt angle of the speaker 15 can be arbitrarily set according to the thickness and number of washers 38 used.
In place of the structure using the spring nut 36 shown in FIG. 6, as shown in FIG. 9, synthetic resin bosses 39, 39 are integrally formed on the speaker mounting portion 34, and the boss 39 has an inner peripheral portion. A structure may be employed in which a screw hole (not shown) is formed and the speaker 15 is attached to the speaker attachment portion using an attachment member such as a bolt (not shown).

  When configured as shown in FIG. 9, the speaker mounting portion 34 and the boss 39 can be integrally formed of the same synthetic resin, so that the number of parts can be reduced.

Incidentally, as shown in FIG. 5, the non-reflective transparent plate 16 is inclined forward and downward from the rear end 12 </ b> R of the instrument panel front portion 12 (specifically, the front end of the folded portion 14) toward the front end 13 </ b> F of the instrument panel rear portion 13. The rear surface is set as the reflective surface RE.
The reflection surface RE is formed so as to extend in the vehicle width direction as shown in a plan view in FIG. 4, and the passenger side end REa (drivers side end) of the reflection surface RE is opposite. The reflecting surface RE is formed in a curved shape so as to be positioned in front of the vehicle with respect to the passenger side end REb (passengers side end).

As described above, in the second embodiment shown in FIGS. 4 to 9 (corresponding to claims 1, 3, 4, 6, 7, 8, and 9), the reflecting surface RE is formed to extend in the vehicle width direction. Then, the reflecting surface RE is formed in a curved surface shape so that the occupant side end REa of the reflecting surface RE is positioned in front of the anti-occupant side end REb (see FIG. 4).
According to this configuration, the reflection surface RE is formed in a curved shape so that the occupant side end portion REa is positioned in front of the anti-occupant side end portion REb in the vehicle width direction. Reflected by the reflecting surface RE, the reflected sound RE is efficiently transmitted to the occupant (driver).

The speaker 15 is attached to the instrument panel rear part 13 via an attachment part (refer to the speaker attachment part 34), and the instrument panel rear part 13 of the speaker 15 is changed by changing the attachment angle of the attachment part 34 to the instrument panel rear part 13. It is comprised so that the attachment inclination angle with respect to may be changed (refer FIG. 6, FIG. 8).
According to this configuration, the mounting angle of the speaker 15 can be changed by changing the mounting angle of the mounting portion (see the speaker mounting portion 34) (in this embodiment, indirectly changing using the washer 38). The design flexibility of the instrument panel 7 including the non-reflective transparent plate 16 can be improved.

  In the second embodiment shown in FIGS. 4 to 9, the other points (points related to claims 1, 3, 4, 6, and 7) are the same as those in the first embodiment, and the details thereof are the same. The explanation is omitted.

FIG. 10 shows still another embodiment of the speaker mounting structure for a vehicle. In this third embodiment as well, it is formed at the middle portion in the vehicle longitudinal direction of the instrument panel upper surface portion 8 located in the passenger compartment 1 below the front window 6. The instrument panel upper surface portion 8, the instrument panel front portion 12 positioned in front of the step portion 11, the instrument panel upper surface portion 8 positioned rearward of the step portion 11, and the instrument panel front portion 12. A speaker 15 is attached to an instrument panel 7 having an instrument panel rear portion 13 located on the lower side.
The above-described speaker 15 is disposed in the instrument panel rear portion 13, and a reflective surface RE that reflects sound from the speaker 15 and guides it backward is provided in the step portion 11.

Further, in the third embodiment, the instrument panel rear portion 13 is formed in a substantially horizontal shape, and the above-described speaker 15 is attached to the lower surface of the instrument panel rear portion 13.
The third embodiment corresponds to the first, third, sixth, and seventh aspects, and is the same as the first embodiment except that the instrument panel rear portion 13 is substantially horizontal. The same parts are denoted by the same reference numerals, and detailed description thereof is omitted.

FIG. 11 shows still another embodiment of the vehicle speaker mounting structure. In this fourth embodiment as well, it is formed in the vehicle front-rear direction intermediate portion of the instrument panel upper surface portion 8 located in the passenger compartment 1 below the front window 6. The instrument panel upper surface portion 8, the instrument panel front portion 12 positioned in front of the step portion 11, the instrument panel upper surface portion 8 positioned rearward of the step portion 11, and the instrument panel front portion 12. A speaker 15 is attached to an instrument panel 7 having an instrument panel rear portion 13 located on the lower side.
The above-described speaker 15 is disposed in the instrument panel rear portion 13, and a reflective surface RE that reflects sound from the speaker 15 and guides it backward is provided in the step portion 11.

In the fourth embodiment, the reflection surface RE and the non-reflective transparent plate 16 are disposed substantially vertically, and the folded portion 14 is also folded substantially vertically. On the other hand, the instrument panel rear portion 13 is provided so as to be inclined toward the front of the vehicle with respect to a horizontal plane so that the front portion thereof is positioned below the rear portion. 15 is attached. Further, an audio unit 17 and a heater control unit 18 are arranged substantially parallel to the speaker 15 described above.
The fourth embodiment corresponds to the first, fourth and seventh aspects, and is substantially the same as the first embodiment except for the structure in which the reflecting surface RE is substantially vertical. Parts are denoted by the same reference numerals, and detailed description thereof is omitted.

FIG. 12 shows still another embodiment of the vehicle speaker mounting structure. In this fifth embodiment as well, it is formed in the middle portion of the instrument panel upper surface portion 8 located in the vehicle compartment 1 below the front window 6 in the vehicle longitudinal direction. The stepped portion 11, the instrument panel front portion 12 positioned in front of the stepped portion 11 in the instrument panel upper surface portion 8, the rear portion of the instrument panel upper surface portion 8 relative to the stepped portion 11, and the instrument panel front portion 12. A speaker 15 is attached to an instrument panel 7 having an instrument panel rear portion 13 located on the lower side.
The above-described step portion 11 is formed by a non-reflective transparent plate 16 and a folded portion 14, the folded portion 14 has a length in the front-rear direction sufficient for mounting the speaker 15, and the instrument panel front portion 12 and the folded portion. The folded portion 14 is integrally formed from the rear end 12 </ b> R of the instrument panel front portion 12 toward the lower front of the vehicle so as to have a sufficient vertical space between the speaker 14 and the speaker 15.

In particular, in the fifth embodiment, the speaker 15 is disposed in the folded portion 14 that forms the step portion 11, and the folded portion 14 is formed with a speaker grille 14 a and reflects sound from the speaker 15. A reflection surface RE that leads rearward is formed in the above-mentioned instrument panel rear portion 13.
The instrument panel rear portion 13 is formed in an inclined shape so that the front is high and the rear is low in order to reflect the sound from the speaker 15 and guide it toward the passenger. That is, it is formed in a slant structure with a low height before and after.

Further, the above-described speaker 15 is disposed downward with respect to the folded portion 14 constituting the step portion 11. That is, the sound wave emitting surface of the speaker 15 is directed downward and the voice coil 15a is mounted on the upper side.
Furthermore, the reflection surface RE described above is provided below the position where the speaker 15 is disposed, and is configured to reflect sound from the speaker 15 by the reflection surface RE and guide it backward.

  An audio unit 17 for outputting acoustic data to the speaker 15 and a heater control unit 18 are provided inside the instrument panel 7 below the instrument panel rear part 13 (specifically, a lower extension part of the instrument panel rear part 13). A navigation device 21 is disposed in the inner part (front side of the vehicle) of the non-reflective transparent plate 16 constituting the step portion 11 as an example of an information providing device that displays and provides information related to the vehicle to the passenger.

Thus, the vehicle speaker mounting structure of the embodiment shown in FIG. 12 (corresponding to claims 2 and 5) is the middle of the instrument panel upper surface portion 8 located in the vehicle compartment 1 below the front window 6 in the vehicle longitudinal direction. A step portion 11 formed in a portion, an instrument panel front portion 12 positioned in front of the step portion 11 in the instrument panel upper surface portion 8, a position rearward of the step portion 11 in the instrument panel upper surface portion 8, and A speaker mounting structure for a vehicle in which a speaker 15 is attached to an instrument panel 7 having an instrument panel rear portion 13 positioned below the instrument panel front portion 12, and the speaker 15 is disposed in the step portion 11. A reflection surface RE that reflects the sound from the speaker 15 and guides it backward is provided on the rear panel 13 (see FIG. 12).
According to this configuration, the speaker 15 is disposed in the step portion 11, and the sound from the speaker 15 is reflected by the reflecting surface RE formed on the rear panel 13 of the instrument panel and guided to the passenger. The speaker 15 can be disposed by using it.

Further, the speaker 15 is disposed downward with respect to the step portion 11, and the reflection surface RE is disposed below the position where the speaker 15 is disposed (see FIG. 12).
According to this configuration, the reflection surface RE is provided below the speaker installation position, so that the sound from the speaker 15 provided in the step portion 11 is reflected and efficiently guided rearward. it can.

Further, as disclosed in the embodiment, the navigation device 21 is provided in the back of the non-reflective transparent plate 16 in the step portion 11 as an example of an information providing device that displays and provides information on the vehicle to the occupant. A device (see the navigation device 21) can be provided at a position as far as possible from the occupant and in the inner part of the step portion 11, so that both improvement in the visibility of displayed information and securing of the layout of the speaker 15 can be achieved. be able to.
In FIG. 12, the same parts as those in the previous figure are denoted by the same reference numerals, and detailed description thereof is omitted.

FIG. 13 shows still another embodiment of the vehicle speaker mounting structure (corresponding to claims 2 and 5). In this sixth embodiment as well, the instrument panel upper surface portion 8 located in the vehicle compartment 1 below the front window 6 is shown. A step portion 11 formed at an intermediate portion in the vehicle front-rear direction, an instrument panel front portion 12 positioned in front of the step portion 11 in the instrument panel upper surface portion 8, and behind the step portion 11 in the instrument panel upper surface portion 8. A speaker 15 is attached to an instrument panel 7 that is located and has an instrument panel rear portion 13 that is located below the instrument panel front portion 12.
The above-described step portion 11 is formed by a non-reflective transparent plate 16 and a folded portion 14, the folded portion 14 has a length in the front-rear direction sufficient for mounting the speaker 15, and the instrument panel front portion 12 and the folded portion. The folded portion 14 is formed from the rear end 12R of the instrument panel front portion 12 toward the front lower side of the vehicle or toward the front of the vehicle so as to have a vertical space sufficient for mounting the speaker 15 between the front panel 14 and the front panel 14 (see FIG. That is, it is forwardly inclined or substantially horizontal).

In particular, in the sixth embodiment, the speaker 15 is disposed in the folded portion 14 that forms the step portion 11, and the folded portion 14 is formed with a speaker grille 14 a and reflects sound from the speaker 15. A reflection surface RE that leads rearward is formed in the front half portion of the instrument panel rear portion 13 described above.
The instrument panel rear part 13 is formed in an inclined shape so that the front half of the instrument panel rear part is higher in the front and lower in the rear in order to reflect the sound from the speaker 15 and guide it toward the passenger. That is, it is formed in a slant structure with a low height before and after.

The latter half portion of the instrument panel rear portion 13 is formed in a slant shape that is opposite to the front half portion, that is, a slant shape having a front low, high rear, and a low front portion and a high rear portion.
Further, the above-described speaker 15 is disposed downward with respect to the folded portion 14 constituting the step portion 11. That is, the sound wave emitting surface of the speaker 15 is directed downward and the voice coil 15a is mounted on the upper side.
Furthermore, the reflection surface RE described above is provided below the position where the speaker 15 is disposed, and is configured to reflect sound from the speaker 15 by the reflection surface RE and guide it backward.

An audio unit 17 that outputs acoustic data to the speaker 15 and a heater control unit 18 are provided inside the instrument panel 7 below and behind the instrument panel rear portion 13, and a non-reflective transparent plate that forms the step portion 11. A navigation device 21 is disposed in the inner part (front side of the vehicle) 16 as an example of an information providing device that displays and provides information related to the vehicle to the occupant.
Even if comprised in this way, there exists an effect | action and effect similar to previous Example 5, In FIG. 13, the same code | symbol is attached | subjected to the part same as FIG. 12, and the detailed description is abbreviate | omitted.

FIG. 14 shows still another embodiment (corresponding to claims 2 and 5) of a speaker mounting structure for a vehicle. In this seventh embodiment as well, an instrument panel upper surface portion 8 located in the passenger compartment 1 below the front window 6 is shown. A step portion 11 formed at an intermediate portion in the vehicle front-rear direction, an instrument panel front portion 12 positioned in front of the step portion 11 in the instrument panel upper surface portion 8, and behind the step portion 11 in the instrument panel upper surface portion 8. A speaker 15 is attached to an instrument panel 7 that is located and has an instrument panel rear portion 13 that is located below the instrument panel front portion 12.
The rear end 12R of the instrument panel front portion 12 is located behind the front end 13F of the instrument panel rear portion 13 in the vehicle front-rear direction. It is inclined forward and downward toward 13F (inclined in a front-rear-rear-high state).

In particular, in the seventh embodiment, the speaker 15 is disposed on the surface of the step portion 11 on the front side of the vehicle, and the step portion 11 is formed with a speaker grille 11a and reflects sound from the speaker 15. A reflection surface RE that leads rearward is formed in the above-mentioned instrument panel rear portion 13.
The instrument panel rear portion 13 is formed to be substantially horizontal or inclined so that the front is slightly lower and the rear is slightly higher in order to reflect the sound from the speaker 15 and guide it to the passenger side.

Further, the above-described speaker 15 is disposed rearward and downward with respect to the step portion 11. That is, the sound wave emitting surface of the speaker 15 is attached so that the rear lower side faces and the voice coil 15a is located on the upper front side.
Furthermore, the reflection surface RE described above is provided below the position where the speaker 15 is disposed, and is configured to reflect sound from the speaker 15 by the reflection surface RE and guide it backward.

Note that an audio unit 17 for outputting acoustic data to the speaker 15 and a heater control unit 18 are provided inside the instrument panel 7 below the instrument panel rear portion 13. In Example 7, the folded portion 14 and the non-reflective transparent plate 16 are not used.
Even if configured in this manner, the same operations and effects as those of the fifth embodiment and the sixth embodiment are obtained. Therefore, in FIG. Is omitted.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The information providing device of the present invention corresponds to the navigation device 21 of the embodiment,
Similarly,
The mounting portion corresponds to the speaker mounting portion 34,
The present invention is not limited to the configuration of the above-described embodiment.

For example, as the information providing device, instead of the navigation device 21, other information related to the vehicle such as the vehicle speed and whether or not the seat belt is worn may be displayed and provided to the occupant.
In each of the above embodiments, the center speaker is exemplified as the speaker 15. However, the vehicle speaker mounting structure having the above-described configuration may of course be used for mounting the side speaker.

DESCRIPTION OF SYMBOLS 1 ... Vehicle compartment 6 ... Front window 7 ... Instrument panel 8 ... Instrument panel upper surface part 11 ... Step part 12 ... Instrument panel front part 13 ... Instrument panel rear part 15 ... Speaker 17 ... Audio unit 21 ... Navigation apparatus (information provision apparatus)
34 ... Speaker mounting part (mounting part)
RE ... reflective surface

Claims (9)

A stepped portion formed in the vehicle front-rear direction intermediate portion of the upper panel portion of the instrument panel located in the vehicle interior under the front window;
An instrument panel front portion positioned in front of the step portion on the instrument panel upper surface,
A vehicle speaker mounting structure for mounting a speaker to an instrument panel having an instrument panel rear portion positioned rearward of the stepped portion on the upper surface of the instrument panel and lower than the front portion of the instrument panel. ,
A speaker mounting structure for a vehicle in which the speaker is disposed at a rear portion of the instrument panel, and a reflection surface that reflects sound from the speaker and guides it backward is provided at the stepped portion. A stepped portion formed in the vehicle front-rear direction intermediate portion of the upper panel portion of the instrument panel located in the vehicle interior under the front window;
An instrument panel front portion positioned in front of the step portion on the instrument panel upper surface,
A vehicle speaker mounting structure for mounting a speaker to an instrument panel having an instrument panel rear portion positioned rearward of the stepped portion on the upper surface of the instrument panel and lower than the front portion of the instrument panel. ,
A speaker mounting structure for a vehicle in which the speaker is disposed at the stepped portion, and a reflection surface for reflecting sound from the speaker and guiding it backward is provided at the rear portion of the instrument panel. The rear end of the instrument panel front portion is located behind the front end of the instrument panel rear portion in the vehicle longitudinal direction,
The vehicle speaker mounting structure according to claim 1, wherein the reflecting surface is provided to be inclined forward and downward from the rear end of the instrument panel front portion toward the front end of the instrument panel rear portion. The vehicle speaker mounting structure according to claim 1, wherein the rear portion of the instrument panel is inclined toward the front of the vehicle with respect to a horizontal plane so that a front portion thereof is positioned below the rear portion. The speaker mounting structure for a vehicle according to claim 2, wherein the speaker is disposed downward with respect to the stepped portion, and the reflecting surface is disposed below the speaker mounting position. An audio unit that outputs acoustic data to the speaker is provided inside the instrument panel below the rear of the instrument panel,
The audio unit is inclinedly arranged toward the front of the vehicle so that the front part is positioned below the rear part,
The inclination of the arrangement angle of the audio unit is set larger than the inclination of the rear of the instrument panel,
The vehicle speaker mounting structure according to claim 1, wherein a speaker is disposed between the rear of the instrument panel and the audio unit. An information providing device that displays and provides information on the vehicle to the passenger is provided in the interior of the stepped portion,
The vehicle speaker mounting structure according to any one of claims 1, 3, 4, and 6, wherein a reflection surface for reflecting the sound from the speaker and guiding it backward is formed behind the information providing device. The reflective surface is formed to extend in the vehicle width direction,
8. The reflection surface according to claim 1, wherein the reflection surface is formed in a curved shape so that an occupant-side end portion of the reflection surface is positioned in front of the vehicle from an anti-occupant-side end portion. Vehicle speaker mounting structure. The speaker is attached to the rear of the instrument panel via an attachment part,
5. The vehicle speaker mounting structure according to claim 1, wherein the mounting angle of the mounting portion with respect to the rear portion of the instrument panel is changed to change the mounting inclination angle with respect to the rear portion of the instrument panel.

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