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JPS56147666

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DESCRIPTION JPS56147666
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing the
structure of a conventional speaker device, FIG. 2 is a partial sectional view showing a
conventional network and sound absorbing material attachment, and FIG. 3 is an embodiment of
this invention 4 is a partial sectional view showing another embodiment of the present invention.
In the drawings, the same reference numerals indicate the same or corresponding parts, 3 is a
cabinet, 4 is a network, 5 is a sound absorbing material, and 9 is a nail-like protrusion.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a speaker device
having an improved attachment of a network and a sound absorbing material incorporated in a
speaker cabinet. Conventionally, this type of network has been brazed as shown in FIG. 1 and
FIG. That is, in FIG. 1, (1 + 121 is a speaker unit, (3) is a cabinet, (4) is a network, and (5) is a
threshold (1). Sound absorbing material such as -7 y 7 jji swool; Fig. 2 is a detailed view showing
the installation of the network 14), and (6) is a glass fiber cloth machined to the network (4), and
(7) this cloth (6) to the cabinet (3) It is a staple to fix. As shown in FIG. 1 and FIG. 2 configured as
described above, the network (4) has coils, resistances, etc. and generates heat due to the input.
Therefore, covering these parts directly with a sound absorbing material is a fire hazard, so once
cover the network (4) with a glass fiber cloth (6) and attach the sound absorbing material on top
of this. The Although the conventional attachment means is configured as described above, it is
impossible to move the sound absorbing material (5) away from the heat generating component,
and as a result, the air layer between the network (4) and the sound absorbing material) is lost.
And the work of fixing the glass fiber cloth (6) and the sound absorbing material (5) with staples
(7) must be performed in a narrow space, which is very difficult. The glass fibers of the sound
absorbing material stop) were scattered around by the compressed air (2) of the air tacker used
at the time of operation, and the working environment was deteriorated. The present invention
was made to eliminate the above-mentioned drawbacks, and by simply pushing in the sound
absorbing material, an air layer was formed between the heat generating parts of the network
19-04-2019
1
and the holding of the sound absorbing material. It is a thing. Hereinafter, an embodiment of the
present invention will be described with reference to the drawings. In FIG. 3, (3) is a cabinet, +41
Fi network, (5) is a sound absorbing material, and (8) is a substrate of the network (4). (9) is a
nail-like projection fixed to the substrate (8), and the tip-is pointed to point the sound-absorbing
material (5), and there are a plurality of small projections in the form of triangles for stopping
extraction. A raised ridge is formed, and in the middle part, a flange Sa'a for holding the sound
absorbing material (5) is provided. Here, uan is a resistance of the network component and a coil.
In such a configuration, several nail-like protrusions (9) are fixed in advance to the substrate (8),
and the flange portion a3 of the middle (3) portion is formed of the resistance of the heating
element and the coil axis. It is provided at a high position.
When the sound absorbing material is pressed against the nail-like projection (9) in such a state,
it penetrates the sound absorbing material a # i end tip fist, passes through a small protrusion
and stops the reception of the middle part with a heel. A stop is provided for the small protrusion
11) Ka removal, and the sound absorbing material is held here. And since a space, ie, an air layer,
is formed between the flange portion of the intermediate portion and the heating element a 314,
the heating element exchanges heat with this air layer and is cooled. In the above embodiment,
although a pointed end with a pointed end is shown, it may be formed simply by a holder such as
a collar ring, and many small projections may be provided on the surface of the receiver. Also
good. Furthermore, one substrate itself may be made of wood, or may be integrally molded with a
molded article of the network. Further, although the nail-like projections are erected from the
substrate of the network in the above embodiment, the same effect can be obtained by erecting
them directly from the cabinet as shown in FIG. (4) As described above, according to this
invention, the cooling is promoted by the air layer provided between the heat generating
component of the network and the sound absorbing material, and the sound absorbing material
is attached and held only by pushing the sound absorbing material. Therefore, tools such as an
air tacker can be inserted and work can be easily performed even in a K-shaped narrow space,
and it is possible to prevent the scattering of glass fibers and the like.
19-04-2019
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