JPH01189803A - Car-mounted warning lamp - Google Patents

Abstract

PURPOSE:To prevent snow or water infiltrating to the inside of covers through sound discharging holes from infiltrating into speaker horns by covering sound- permeable sheets rarely stuck with snow on the front faces of speakers covered by the covers. CONSTITUTION:A car-mounted warning lamp 1 is fixed on the roof of an automobile. Speakers 6 and 6' are fixed in parallel on the right and left in the base 2 of this warning lamp 1. Frames 23 and 23' provided with wire nets 22 are press-fitted to front end sections of speaker horns 6a and 6'a, thereby front faces of the horns 6a and 6'a are covered by the wire nets 22, i.e., sound- permeable sheets rarely stuck with snow. The portion of the base 2 where the speakers 6 and 6' are arranged is covered with speaker covers 28 and 28' formed with many sound discharging holes 3a. When snow or rain water infiltrates into the covers 28 and 28' through the wound discharging holes 31, snow or rain water is shielded by the wire nets 22 and does not infiltrate into the horns 6 and 6'a and is not accumulated on the front faces of the wire nets 22 according to this constitution.

Description

[Detailed description of the invention] The vehicle-mounted warning light of the present invention will be explained according to the following items.

A. Industrial field of application B0 Overview of the invention C0 Prior art [Fig.'s6] D0 Problem to be solved by the invention [Fig. 6] E0 Means for solving the problem F. Example [Fig. 1 to Fig. 5] a. Overview of vehicle-mounted warning light [Fig. 1, Fig. 2] b. Base [Fig. 1, Fig. 2, Fig.'s4] C. Glove [Fig. 1, Fig. 2]
] d, Unit base, warning light unit [Fig. 1] e, Speaker [Fig. 1, Fig. 3, Fig. 4] f. Sheet that has sound transparency and prevents snow from adhering [Fig. 1,
3, 4, 5] g. Cover attachment part [341, 3, 4] h. Speaker cover [Fig. 1 to 4] 1. Effect G6 Effect of the invention ( A. Field of Industrial Application) The present invention relates to a novel vehicle-mounted warning light. In detail, regarding a vehicle-mounted warning light that is equipped with a glove in which a warning unit is housed, a speaker, and a cover that covers the speaker and has a sound emission hole formed therein, it has an extremely simple configuration, and it is possible to penetrate inside the cover through the sound emission hole. The present invention aims to provide a new vehicle-mounted warning light that can prevent snow and water from entering the speaker horn of a speaker.

(B. Summary of the Invention) The vehicle-mounted warning light of the present invention comprises a base fixed to the vehicle body, a glove fixed to the base and housing a warning unit, and a speaker fixed to the base. In a vehicle-mounted warning light that is equipped with a cover that covers the speaker and has a sound emission hole formed therein, the front surface of the speaker horn is covered with a sheet that is sound-transparent and prevents snow from adhering to it, and thereby the sound emission hole of the cover is It is possible to prevent snow or water that has entered the inside of the cover through the cover from entering the speaker horn.

(C, Prior Art) [Fig. 6] A sixth type of warning light is installed on the roof of a vehicle such as a car.
There is a type a as shown in the figure.

b is a base fixed to the roof of an automobile, etc.; C1C' is a speaker fixed to the center of the base; speaker C is placed facing forward, and speaker C' is placed facing rearward; d is a cover attached to the base so as to cover the speakers c and c', and on the front and rear surfaces of the cover d are a number of sound emitting units for improving the sound flow of the speakers C and C'. Holes e, e, . . . are formed.

Symbols f and f are globes placed on both sides of the central speaker placement part of the base, and inside the globes f and f, a warning unit (not shown) consisting of a light bulb, a reflector, etc. is placed. There is.

Therefore, the vehicle-mounted warning light a as described above is used by being mounted on the roof of an emergency vehicle such as a police car or a fire engine, and the warning light unit in the glove f%f emits light, which appeals visually. By using speakers "c" and "c", people in the vicinity can be notified of the approach of an emergency vehicle by appealing to the senses of hearing.

(D. Problem to be Solved by the Invention) [Figure 6] By the way, the cover d of the above-mentioned car warning light a has a sound emitting hole e in order to improve the passage of the sound from the speakers c and c'.
, e,... are formed, so these sound emitting holes e,
There is a problem in that fine snow and rainwater enters the inside of the cover d from e, . . . and further enters the speaker horns of the speakers c and c'.

Intrusion of snow or water into the speaker horns g, g' will not only cause damage to the speakers C, C', but if snow remains inside the speaker horns g, g', the speakers C, C' will be damaged. There is a problem in that it interferes with the ringing itself.

(E. Means for Solving the Problems) In order to solve the above-mentioned problems, the vehicle-mounted warning light of the present invention has a sound-transparent structure on the front surface of the speaker horn of the speaker covered with a cover having a sound emission hole. It is covered with a sheet that prevents snow from adhering to it.

Therefore, in the vehicle-mounted warning light of the present invention, even if snow or water enters the inside of the cover through the sound emitting hole of the cover, the front surface of the speaker horn is covered with a sheet, so the snow or water will not come out of the speaker horn. This can prevent it from penetrating into the horn. In addition, since the sheet has sound transparency, it does not prevent the sound of the speaker from reaching a long distance, and furthermore, since the sheet is difficult for snow to adhere to, snow or water does not adhere to it. It does not impede its sound transparency.

Furthermore, since the sheet is hidden within the cover, the appearance of the vehicle-mounted warning light is not impaired, and it can be used not only during snowfall, but throughout the entire season.

(F. Embodiment) [FIGS. 1 to 5] Details of the in-vehicle warning light of the present invention will be described below according to the illustrated embodiment.

(a. Overview of a vehicle-mounted warning light) [Figures 1 and 2] In the figure, 1 is a vehicle-mounted warning light, 2 is a base that is fixed on the roof of a car, and 3 and 3 are bases. Glove supported on 2, 4.4
5.5 is a unit stand mounted in the glove 3.3, and 5.5 is a warning light unit supported on the unit stand 4.4.

6.6' is a speaker fixed to the center of the base 2. Further, 6a and 6'a are speaker horns of the speakers 6 and 6'.

(b, Base) [Figures 1, 2, and 4] The base 2 is made of extruded aluminum, and legs 7.7 are fixed to the lower surface of the base, spaced apart on the left and right. 7.
By fixing 7 to the roof of the automobile, the base 2 is fixed to the roof of the automobile.

(c, Glove) [Figs. 1 and 2] The glove 3.3 is formed of a transparent material, for example, a transparent synthetic resin, into a substantially elliptical cylinder shape, and both ends thereof are closed. Note that the glove 3.3 may be colored in a predetermined color depending on the type of emergency vehicle in which the vehicle-mounted warning light 1 is mounted. For example, when mounted on a police car, the color may be red and transparent, and when mounted on an emergency road repair vehicle, the color may be yellow and transparent.

The glove 3.3 is then fixed on the base 2. The two globes 3 are appropriately spaced apart from each other, so that an appropriate space 8 is formed between the globes 3 at the center of the base 2.

(d. Unit stand, warning light unit) [Fig. 1] The unit stand 4 is formed of metal into a plate shape, and is housed within the glove 3.

The warning light unit 5 includes a rotating unit 9 provided on a unit stand 4, a sequential blinking unit 10, and the like.

The rotating unit 9 includes a light bulb 12 attached to a light bulb supporter 11 fixed to the unit base 4, and a reflecting mirror 14 supported on a rotating body 13 rotatably supported on the unit base 4. It is equipped with

The reflecting mirror 14 has a shape in which two paraboloidal reflecting parts 15 and 15 each having a top-cut shape are joined back to back, and an insertion hole 16 is formed in the lower surface of the center thereof. The light emitting part of the light bulb 12 passes through the insertion hole 16.
located at the common focus of the two reflecting sections 15.15.

The rotating body 13 is rotated by a drive unit (not shown), and when the rotating body 13 rotates, the reflecting mirror 14 is rotated, and the rotating unit 5 can be viewed with the light bulb 12 lit. It looks like a flash of light.

The sequential blinking unit 10 is constituted by a tilting mirror. Reference numeral 17 is a tilted mirror erected on the unit base 4, and has three parts 18a and 18b.

18c, and as the reflecting mirror 14 rotates, the three parts 18a, 18b, and 18c sequentially touch the light bulb 12.
It is designed to reflect light from the front towards the front.

Reference numeral 19 denotes a parabolic reflecting mirror provided on the unit stand 4 so as to face rearward, and reference numeral 20 denotes a light bulb provided on the unit stand 4 so that the light emitting part is located approximately at the focal point of the reflecting mirror 19.

(e, Speaker) [Figures 1, 3, and 4] Speakers 6, 6' are fixed in the base 2 in the space 8 in the center in a state in which they are lined up left and right. One speaker 6 is arranged to face forward, and the other speaker 6' is arranged to face rearward.

These speakers 6.6' are mounted on the base 2 by mounting bands 21.21 fixed to the base 2 at both ends.

(f, sheet that has sound transparency and is difficult for snow to adhere to) [1st
, FIG. 3, FIG. 4, FIG.
Here, wire mesh is used. The wire mesh 22 is preferably made of stainless steel having a relatively high mesh density of mesh standard 14400J to IJ500J or a metal wire having equivalent corrosion resistance.

23 is a frame whose inner diameter is the same as that of the speaker 6.6'.
The wire mesh 22 has an annular shape equal to the outer diameter of the tips of the speaker horns 6a and 6'a, and the wire mesh 22 is stretched around the frame 23 and its peripheral edge is fixed to the frame 23. .

Then, the frame body 23.23 on which the wire mesh 22 is stretched is press-fitted into the front end portions of the speaker horns 6a, 6'a, and
As a result, the front surfaces of the speaker horns 6a, 6'a are covered with the wire mesh 22, that is, a sheet that has sound transparency and is difficult for snow to adhere to.

In addition, the speaker horn 6a of the frame body 23.23.

The attachment to the front end portion 6'a is not limited to press-fitting, and various methods such as adhesion, clamping with a clip, screwing, etc. can be used.

Moreover, the speaker 6 (6
') may be attached. That is, the wire mesh 22 is made slightly thicker, and the wire mesh 22 is attached to the front end of the speaker horn 6a (6'a) before fixing the speaker 6 (6') to the base 2. When fixing the speaker 6 (6') to the base 2, attach the speaker 6 (6') with the mounting band 21.
At the same time, tighten the periphery of the gold w42 and attach the speaker 6 (6'
) may be fixed to the base 2 and the front surface of the speaker horn 6a (6'a) may be covered with the wire mesh 22 at the same time (see FIG. 5).

(g, cover attachment part) [Fig. m1, Fig. 3, Fig. 4] 24.24 are supporting walls erected from the base 2, and are located in contact with the inner end of the globe 3.3, respectively. There is.

Reference numeral 25 is a beam body, and a frame is passed between the upper ends of the support walls 24 and 24. The beam body 25 is formed with screw holes 26, 26, . . . (only one is shown in FIG. 4) opened on its upper surface.

Reference numerals 27 and 27' are protrusions that protrude downward from both the front and rear edges of the base 2, and at the lower ends of these protrusions 27 and 27' there are engaging strips 27a and 27' that protrude inwardly. a is formed.

(h, speaker cover) [Figures 1 to 4] 28.28' is a speaker cover that covers the part of the base 2 where the speaker 6.6' is arranged; is formed by curving an aluminum plate to have approximately the same shape as half of the outer shape of the globe 3.3 when viewed from the side, and the lower end portion 29.29' has an abbreviated shape when viewed from the side. The lower end 29.29
Engagement pieces 29a and 29'a, which are bent into a hook shape when viewed from the side, are formed at the tips of the substantially horizontally extending portions. Further, insertion holes 30, 30, . . . are formed at the upper edge thereof.

And a large number of sound emitting holes 31, 31 in the part excluding the outer periphery,
... is formed.

The speaker covers 28, 28' as described above are attached to the base 2 in the following manner.

First, engage the engaging pieces 29a, 29'a formed at the lower end of the speaker cover 28, 28' with the engaging strips 2a, 2'a formed on both the front and rear edges of the base 2. Then, the upper end portions of the speaker covers 28 and 28' are overlapped on the upper surface of the beam body 25. Then, the mounting screws 32.32,...
・ are inserted into the insertion holes 30.30, . Screw on.

This allows the speaker cover 28, 28' to be attached to the base 2.
The speaker cover 28.28' covers the speaker 6.6'.

(i. Effect) In the vehicle-mounted warning light 1 described above, snow and rainwater enters the speaker cover 28.28' through the sound emission holes 31.31, . . . of the speaker cover 28.28'. Even if snow and rainwater comes in, the wire mesh 22.22 blocks the snow and rainwater from entering the speaker horns 6a, 6'a, and does not accumulate on the front surface of the wire mesh 22.22.

(G. Effects of the Invention) As is clear from the above description, the in-vehicle warning light of the present invention includes a base fixed to the vehicle body and a glove fixed to the base and housing the warning unit. It is equipped with a speaker fixed to the base and a cover that covers the speaker and has a sound emission hole formed therein, and the front surface of the speaker horn is covered with a sheet that is sound-transparent and prevents snow from adhering to it. It is characterized by

Therefore, in the vehicle-mounted warning light of the present invention, even if snow or water enters the inside of the cover through the sound emitting hole of the cover, the front surface of the speaker horn is covered with a sheet, so the snow or water will not come out of the speaker horn. This can prevent it from penetrating into the horn. In addition, since the sheet has sound transparency, it does not prevent the sound of the speaker from reaching a long distance, and furthermore, since the sheet is difficult for snow to adhere to, snow or water does not adhere to it. It does not impede its sound transparency.

Furthermore, since the sheet is hidden within the cover, the appearance of the vehicle-mounted warning light is not impaired, and it can be used not only during snowfall, but throughout the entire season.

In the above example, a wire mesh was used as a sheet that has sound permeability and prevents snow from adhering to it, but this does not necessarily mean that it has to be a wire mesh, but rather a sheet that has sound permeability and prevents snow from adhering to it. It's fine as long as it's something. For example, a sheath body formed of water-repellent fibers or a sheath body subjected to water-repellent treatment can also be used.

Moreover, the above-mentioned embodiments are merely examples of embodiments of the present invention, and the technical scope of the present invention is not interpreted to be limited thereby.

[Brief explanation of the drawing]

Figures 1 to 5 show an example of the implementation of the vehicle-mounted warning light of the present invention. Figure 1 is an exploded perspective view, Figure 2 is a perspective view of the assembled state, and Figure 3 is an exploded view of the main parts. An enlarged perspective view shown as
Figure 4 is an enlarged sectional view taken along line IV-IV in Figure 2;
FIG. 6 is a side view showing a modification of the mounting example of a sheet that has sound transparency and prevents snow from adhering to it, and FIG. 6 is a partially cutaway perspective view showing an example of a conventional vehicle-mounted warning light. Explanation of symbols 1...Vehicle warning light, 2...Base, 3...Globe, 5...Warning unit, 6.6'...Speaker, 6a, 6'a... Speaker horn, 22... Sheet that has sound transparency and prevents snow from adhering to it, 28. 28'... Cover, 31... Sound emission hole Fig. 5

Claims (1)

[Scope of Claims] A base fixed to the vehicle body, a glove fixed to the base and housing a warning unit, a speaker fixed to the base, and a sound emitting hole covering the speaker. A vehicle-mounted warning light comprising a cover, and the front surface of the speaker horn is covered with a sheet that is sound-transparent and prevents snow from adhering to it.