JP2004070019

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DESCRIPTION JP2004070019
An object of the present invention is to prevent the penetration of seawater and rainwater into
the body of a horn as much as possible, and to make the horn body have a strong anticorrosion
property, thereby achieving durability. It consists in constructing a good waterproof horn. The
horn main body 3 is accommodated along the inner surface of a disk-shaped front cover 2 which
is connected to the base end of the sound ring 1 and has rising portions 2 'at its peripheral edge,
and the horn main body 3 is accommodated along the inner surface. A protective cover 5 made
of a synthetic resin molded to be in intimate contact with the outer periphery of the flange
portion 3 and the flange portion 3 is fitted, and the outer periphery of the protective cover is
covered with a back cover 6 formed in a wedge shape. The edge 6 'is fitted into the rising portion
2' of the front cover, and the horn main body 3 waterproofed by the protective cover 5 is
installed in the sealed space 7 formed between the front cover 2 and the back cover 6
Waterproof horn. [Selected figure] Figure 1
Waterproof horn
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
waterproof horn designed mainly to be used as a marine horn, a marine fishing boat, or a marine
horn for a small boat, comprising a horn body covered with a synthetic resin protective cover.
The horn main body is double waterproofed and rustproofed by accommodating it between the
wedge-shaped back cover water-tightly fitted to each other at the peripheral portion and the
front cover forming the base end of the sound tube. It is characterized by [0002] Conventionally,
this type of horn is coated with anti-corrosion coating in the space formed between the back
cover made of metal plate, which is relatively hard to rust, and the base end of the ring tube.
Generally, the one having a structure in which the horn main body is installed is used. According
to this conventional horn, there is a drawback that seawater or rainwater intrudes into the vessel
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from the surface of the rod during many years of use, which tends to cause a problem such as
rust or voice malfunction. was there. SUMMARY OF THE INVENTION The problem to be solved
by the present invention is to prevent the entry of water into the body of the horn as described
above as much as possible, and to prevent the horn body from being strong. An object of the
present invention is to provide a waterproof horn having excellent durability by providing
rusting. SUMMARY OF THE INVENTION Therefore, the present invention is directed to a horn
having a flange portion along the inner surface of a disk-shaped front cover which is connected
to the base end portion of the ring tube and has a rising portion at the peripheral edge. A main
body is accommodated, a synthetic resin protective cover molded to be in close contact with the
outer periphery of the main body and the flange portion is fitted, and the outer periphery of the
protective cover is covered with a wedge-shaped back cover. The lower edge portion of the horn
is fitted to the rising portion of the front cover, and the horn main body waterproofed by the
protective cover is installed in the enclosed space formed between the front cover and the back
cover. Provide a waterproof horn. As described above, according to the present invention, the
horn main body is covered with a synthetic resin protective cover, and the outer periphery of the
protective cover is further formed by a wedge-shaped back cover and a front cover constituting
the base end of the sound ring. Since the horn body is doubly waterproofed, not only the
corrosion resistance on the outside of the horn body is enhanced, but also the waterproofness of
the horn body against water entering the inside of the body is provided. In addition, the front
cover and the back cover are made of stainless steel respectively, and are disposed at a plurality
of locations in the circumferential direction of the front cover, and the horn attachment for
inserting the flange portion of the front cover and the horn and the protective cover According to
the invention of claim 2, the screw for screw attachment and the screw for cover attachment
through which the back cover is inserted are screwed into the screw receiving portions
respectively provided on the outer periphery of the protective cover. It is possible to further
enhance the durability of the horn according to the present invention by eliminating the
penetration of the screw into the body of the device.
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a partially cut away longitudinal sectional view showing an embodiment of the present
invention. In the figure, 1 is a sound tube whose front end is omitted, 2 is a disk-shaped front
cover that forms the base end of the sound tube 1, 3 is a flange 3 'along the front cover 2. The
horn main body is fixed to the inner surface (upper surface in the figure) of the front cover 2 by
fixing screws 4 disposed at a plurality of circumferential positions. Reference numeral 5 is a
protective cover closely fitted along the outer periphery of the flange portion 3 'together with the
horn main body 3 and fitted so as to cover the horn main body 3 from the upper surface, and 6 is
a hook-shaped back cover A sealed space 7 of an appropriate size for installing the protective
cover 5 and the horn main body 3 is formed inside, the lower outer periphery of the protective
cover 5 is fitted, and the lower edge 6 ′ is the outer periphery of the front cover 2 It is closely
attached to the inner periphery of the formed rising portion 2 ′ and is waterproofly coupled to
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each other. 8 is a horn drive lead wire which is inserted through the back cover 6 and the side
surface of the protective cover 5 and is connected to a terminal 9 having a terminal provided on
the top surface of the horn body 3; 10 is a lead wire insertion portion The waterproof rubber
bush 11 fitted to the cover 11 is a screw for mounting the cover inserted through the back cover
5 and screwed into the upper part of the protective cover 12, the inner surface of the front cover
2 of the nozzle tube 1 and the horn main body 3 The packing 13, which is respectively
interposed between the flange portion 3 'and the flange portion 3', is formed particularly thick at
the outer periphery and at the top of the protective cover 5, and the screw 4 for fixing the horn
main body and the screw for attaching the back cover A screw receiving portion for screwing the
inner end of 11 and a vibrating plate 14 in which a packing 12 is interposed between the horn
main body 3 and the front cover portion 2 are provided. In this embodiment, the front cover 2
and the back cover 6 forming the base end portion of the sound ring 1 are made of stainless steel
respectively, and the protective cover 5 is integrally formed including the screw receiving
portions 13. It is made of synthetic resin. The waterproof horn configured as described above
seals the inside of the device and is waterproofed by the connection of the rising portion 2 ′ on
the outer periphery of the front cover 2 and the lower edge 6 ′ of the back cover 6. The horn
main body 3 installed in the container (in the sealed space 7) is waterproofed by a protective
cover 5 made of resin. As described above, this waterproof type horn is excellent in water
resistance and durability because the horn main body 3 is doubly waterproofed. In addition, since
the conventionally well-known horn is employ ¦ adopted as the horn main body 3, description is
abbreviate ¦ omitted about the operation ¦ movement.
In the implementation of the present invention, it is needless to say that the shapes of the front
cover portion, the back cover portion, the shape of each portion of the protective cover portion,
etc. can be appropriately changed in design according to the scope of the present invention.
According to the present invention configured as described above and in which the horn body is
waterproofed as described above, the double waterproof structure is provided, as compared to
the conventional horn of this type. It has high water resistance, corrosion resistance, and
excellent durability. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway front
view of an embodiment. [Description of the code] 1 sound ring 2 front cover (2 'rising part) 3
horn main body (3' flange part) 4 screw for fixing horn 5 protective cover 6 back cover (6 'lower
edge) 7 space 8 lead wire 9 terminal 10 rubber bush 11 screw for back cover installation 12
packing 13 screw receiver 14 diaphragm
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