JP3972487B2 - Automobile horn mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a horn mounting structure for mounting a horn to the front of an automobile.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, an automobile horn that generates a horn sound toward the front is disposed at the front of the automobile as shown in FIGS.
As shown in FIGS. 6 and 7, the outer shape of the front part of the automobile is composed of a metal front hood e and a resin front bumper a that are freely openable and closable. The front end is covered with a predetermined interval. An upper portion of the front bumper is inserted between the body panel c and the front hood e so as to overlap with the front hood e.
A mounting plate d is fixed to the front end portion of the body panel c so as to protrude downward, and a horn b is fixed to the lower end portion of the mounting plate d. The horn b is disposed in the rear space of the front bumper a so that rainwater or the like can be prevented.
[0003]
[Problems to be solved by the invention]
However, in the above prior art, it is possible to prevent rain water from being applied by the front bumper a, but since the front is completely covered, the horn sound generated from the horn b has a high sound absorbing property such as resin. It was blocked by the front bumper formed by the members, preventing the sound from being emitted forward. For this reason, conventionally, in order to obtain a sufficient volume, measures such as increasing the output of the horn or arranging the horn at two locations have been taken, but this has the problem of causing a cost increase. In addition, since the installation position of the horn is restricted for securing the sound volume, there is a problem that a sufficient degree of design freedom cannot be obtained.
[0004]
The present invention has been made by paying attention to the above-mentioned problems of the prior art, and can efficiently radiate a warning sound output from the horn to the outside, obtain a sufficient volume, An object of the present invention is to provide a horn mounting structure for an automobile that can obtain a good degree of freedom in design.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has the following configuration.
That is, the invention according to claim 1 of the present application is directed to an automobile in which the front part of the vehicle body is configured by a metal front hood that is freely opened and closed and a resin front bumper that is provided below the front hood. A vehicle horn mounting structure for mounting a horn that generates a horn at the front of the vehicle body, wherein the horn is disposed in a rear space of the front hood through a space communicating with an inner surface of the front hood, in front view The upper half of the horn is covered with the front hood in the closed state, and the horn is arranged to face the front end of the front hood with a predetermined interval, and is located in front of the horn below the front end of the front hood. edge is positioned, in a space formed between the front end of the front hood and the horn, the resin chlorofluorocarbon A protruding portion formed on the bumper that protrudes upward is inserted, and the protruding portion is provided with a horn covering portion that covers the upper half of the horn in a non-contact state. An opening that communicates between the space on the front end side of the front hood and the space on the horn side at a position facing the front surface of the horn and having a substantially semicircular front shape with a large radius of curvature. It is a formed automobile horn mounting structure .
[0007]
As described above, in the invention according to claim 1, wherein, with covering divided by the front hood upper half of the horn in front view is in a closed state, the horn predetermined intervals on the front end of the front hood The front hood lower edge is positioned in front of the horn and the front hood is covered with the front hood, so that rainwater or the like is applied to the horn. without addition sound generated from the horn, it is possible to obtain a sufficient volume for sound is propagated to the outside through the front hood made of metal likely to be propagated.
[0008]
Further, in the above invention, in a space formed between the horn and the front end portion of the front hood, an upward projecting portion formed on the resin front bumper is inserted, The protruding portion is provided with a horn covering portion that covers the upper half of the horn in a non-contact state, and the horn covering portion has a substantially semicircular front shape having a radius of curvature larger than the outer diameter of the horn, And since the opening part which connects the space at the front end side of the front hood and the space at the horn side is formed at the position facing the front part of the horn, the upper part of the front bumper covering the front of the horn is formed. Since the sound of the horn is radiated from the formed opening toward the front hood, sound propagation is not hindered by the front bumper, and sufficient sound volume can be obtained, and the opening Since covered by the front hood, rainwater Here without even entering the horn it is protected from reliably rainwater.
Moreover, since the upper part of the front bumper covers the horn except for the opening formed here, even when the front hood is opened upward, it is not completely exposed and partially Since it is in the covered state, the horn can be protected from interference with the external member.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 and 2 are explanatory front views of an automobile according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of the main part of what is shown in FIG. 1, and FIG. 4 is a part showing the main part of the front bumper shown in FIG. FIG. 5 is a cross-sectional view taken along line BB in FIG.
[0010]
1 and 2, in the vehicle 1 shown here, a vehicle body front portion 2 positioned in front of the windshield 1a has a body panel 3 constituting the front half of the left and right side surfaces, and a front side of the body panel 3. A resin front bumper 4 that is fixed and fixed, a front hood 5 that covers the opening on the upper surface side of the body panel 3 so as to be openable and closable, left and right headlights 6, a radiator grill 7, and the like constitute an outer shell.
[0011]
And the horn 11 is attached to the front-end part of the said body panel 3 via the attachment board 10 which protrudes below, as shown in FIG. The horn 11 emits a horn sound forward from a sound generator 11a formed on the front surface thereof, and the upper half of the horn 11 is a front end portion of the front hood 5 when the front hood 5 is closed. It arrange | positions so that the inner surface of 5a may be opposed via predetermined spacing.
[0012]
2 and 3, the front bumper 4 includes a grill mounting portion 41 for mounting the radiator grill 7, a fog lamp mounting portion 42 for mounting the fog lamp 8, a number plate mounting portion 43, a vent hole 44, and the like. In the upper part of the grill mounting part 41, a protruding part 45 that is recessed slightly rearward and protrudes upward is formed. The protrusion 45 is covered with a predetermined interval by the front end 5a of the front hood 5 when the front hood 5 is closed, and is positioned forward of the horn 11.
[0013]
The projecting portion 45 is provided with an attachment portion 46 to be fastened and fixed to the body panel 3 and a horn covering portion 47. The horn covering portion 47 has a slightly larger radius of curvature than the outer diameter of the horn 11. It has a substantially semicircular front shape and has a slightly curved side surface shape, is inserted between the horn 11 and the front end 5a of the front hood 5, and does not contact the upper half of the horn 11. It is designed to cover with the state. The horn covering portion 47 is formed with a plurality of (here, four) openings 47a, and the spaces before and after the horn covering portion 47 communicate with each other through the openings 47a. . In this embodiment, it is formed at the right end of the protruding portion so as to avoid the position facing the radiator.
[0014]
In the embodiment having the above-described configuration, when the front hood 5 is in the closed state, the protrusion 45 and the horn covering portion 47 of the front bumper 4 are covered with the front bumper 4 by the front end portion 5a of the front hood 5. For this reason, even during rainy weather or when traveling on a rough road, rainwater or splashed muddy water is blocked by the front end of the front hood 5, and the horn 11 does not get rainwater or muddy water. The performance can be maintained for a long time.
[0015]
When a horn sound is emitted from the horn 11, the horn sound is transmitted to the front through the opening 47 a formed in the horn cover portion 47, so that the sound is almost insulated by the horn cover portion 47. In this case, sufficient sound volume is propagated to the front hood 5 in front. Since the front hood 5 is formed of a metal having high sound propagation characteristics, the front hood 5 can receive a horn sound that has passed through the opening 47a and can propagate the sound to the external space without being greatly attenuated. Therefore, compared with the conventional case where the horn is disposed inside the resin bumper, a warning sound having a required volume can be emitted to the external space with a small driving power, and the power can be reduced or the volume can be increased. be able to. Moreover, since sufficient sound volume can be obtained, there is no need to place horns at a plurality of locations as in the conventional case, and the configuration can be made at low cost.
[0016]
Furthermore, even when the front hood 5 is opened for maintenance or inspection, the horn 11 and the mounting plate 10 are not exposed to the front side because they are covered with the resin horn cover 47 and the front bumper 4. There is no direct interference with the outside, and there is no problem that the horn 11 is damaged or the mounting plate 10 is deformed, and a good protection state can be obtained.
[0017]
In the above-described embodiment, the case where the horn covering portion 47 is formed in a semicircular shape so as to cover the upper half portion of the horn 11 has been described .
[0019]
【The invention's effect】
As described above, according to the first aspect of the present invention, in the automobile having the resin front bumper, the upper half of the horn is covered with the metal front hood in the closed state when viewed from the front, and the horn is The front hood is disposed so as to face the front end of the front hood with a predetermined interval, and the lower edge of the front end of the front hood is located in front of the horn, so that rainwater or the like can be prevented from being applied to the horn. At the same time, the warning sound from the horn can be efficiently propagated to the external space through the metal front hood excellent in sound transmission, and a horn sound with a sufficient volume can be generated with a small electric power.
Moreover, since a sufficient volume can be obtained if the horn is in a range facing the front hood, a good degree of design freedom can be obtained.
[0020]
Further, according to the present invention, by inserting the upper portion of the front bumper between the front hood and the horn, at the position facing the front surface of the horn to the upper part, the space of the front end portion side of the front hood wherein for forming the opening communicating the space of the horn side, the warning sound of the horn through the opening can be transmitted to efficiently front bumper Rutotomoni, portion except for the opening of the front bumper horn and Since the front surface of the horn is covered, interference between the horn and the outside can be prevented, and the life of the horn can be improved.
[Brief description of the drawings]
FIG. 1 is an explanatory front view of an automobile according to an embodiment of the present invention.
FIG. 2 is an explanatory front view showing a state where a front bumper of the automobile shown in FIG. 1 is opened.
3 is an exploded perspective view of the main part of what is shown in FIG. 1. FIG.
4 is a partial front view showing a main part of the front bumper shown in FIG. 3; FIG.
FIG. 5 is a cross-sectional view taken along line BB in FIG.
FIG. 6 is an explanatory perspective view showing a front portion of a conventional automobile.
7 is a cross-sectional view taken along line AA of what is shown in FIG. 6. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car 2 Car body front part 4 Front bumper 5 Front hood 11 Horn 45 Protruding part (above front bumper)
47 Horn cover 47a Opening

Claims (1)

A horn that generates a horn on the front part of the vehicle body is provided for a vehicle having a vehicle body front part constituted by a metal front hood that can be opened and closed and a resin front bumper provided below the front hood. An automobile horn mounting structure for mounting,
The horn is arranged in the space behind the front hood through a space communicating with the inner surface of the front hood,
The upper half of the horn is covered with the front hood in the closed state in front view,
The horn is disposed so as to face the front end of the front hood with a predetermined interval therebetween,
The front hood lower edge of the front hood is located in front of the horn ,
In the space formed between the horn and the front end portion of the front hood, a protruding portion protruding upward formed on the resin front bumper is inserted,
The protruding portion is provided with a horn covering portion that covers the upper half of the horn in a non-contact state,
The horn covering portion has a substantially semicircular front shape having a radius of curvature larger than the outer diameter of the horn, and at a position facing the front portion of the horn, a space on the front end side of the front hood and An automobile horn mounting structure, wherein an opening for communicating the space on the horn side is formed .

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