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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing a medium and high-tone
cone speaker attached to a closed cabinet. FIG. 2 is a perspective view of an example of a cone
speaker with a closed speaker frame. FIG. 3 is a cross-sectional view of an example of a cone
speaker with a closed speaker frame. FIG. 4 is a partially enlarged view of FIG. FIG. 5 is a
perspective view of a cone speaker having a hole in the speaker frame of the embodiment of the
present invention. FIG. 6 is a partial cross-sectional view of the hole of the speaker frame of the
embodiment of the present invention. 7 and 8 are a sectional view and a perspective view of the
plug of the embodiment of the present invention. FIG. 9 is a partial sectional view showing a state
in which the hole of the speaker frame is closed by a plug in the embodiment of the present
invention. 1
························································ Plug . 1 year o 2 Figure f3 @ 1 87 1 開 50-43732 (2) year 4 藺 + 5
figure threat 6 figure 17 figure 夙 8 figure 4 °-88-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cone speaker
structure in which an edge portion of a cone is attached to a flange portion of a speaker frame
with an adhesive. Conventionally, medium and high-tone cone speakers are used by attaching
them to a closed cabinet or the like as shown in the VC3 px diagram in order to eliminate the
influence of sound from the rear face of the speaker. As shown in Fig. 2 section 1.13, the speaker
frame is sealed and I only has sound from the rear surface of the two hundred sides of the
speaker. In order to attach the cone to the inside of the speaker frame during the manufacture of
the cone speaker, the rubber adhesive containing the solvent is used to prevent the influence of
(It is in close contact with the adhesive layer, so that it does not affect the taking action of the
cone. However, if a cone is attached to the inner reconnaissance of a speaker frame using a
rubber-based C ′ containing the above-mentioned solvent, and an adhesive and a wide opening
(2), evaporation of the solvent in the used adhesive to the atmosphere Dissipation advances
through the above-mentioned opening differently, but it is an interval-in the case where the cone
2 is attached to the inside lII of the closed speaker frame 1 as shown in v4. That is, an annular
portion of the flange portion upper surface of the flange portion 2 of the nupinan leem and the
lower surface of the tip end portion of the tocone 2 And an adhesive which is wound in an
annular manner in an outer peripheral edge of the upper end portion of the voice coil bobbin 75
and an inner peripheral edge 1τ of the cone 3. The adhesive 3 supported in an annular shape on
the inner surface of the speaker frame 1 and the outer edge of the damper 6 supporting the
voice coil hovin 5 has the speaker frame 1 and the cone 2c 挾 ih * space 4 cut from the outside
air. Therefore, an adhesive using a rubber 3 page adhesive containing the above solvent. , 3. , 3.
The volatilization of the solvent into the space 4 is slowed by the saturation of the solvent
volatiles in the crucible space 4, and the generation of the adhesive effect of volatilizing the
solvent is extremely delayed. -J! Of the adhesive effect generation of the above adhesive. i! Not
only does it reduce the yield, it also requires 3 glues from the part to be glued! It was likely to
cause diffusion diffusion to j, change the responsibility of the part that was penetrated, or to
cause adhesion spots. Since there was no work 41IllI mouth part which puts a finger tip from the
opening red of a speaker frame and corrects y1 adhesion gap, it was impossible before. The
present invention aims to eliminate the above-mentioned drawbacks and to exhibit the function
of the closed speaker frame silently. Next, an embodiment of the present invention will be
described with reference to the drawings.
As shown in FIGS. 5 and 6, a hole 7 communicating with the inside and the outside is formed in
the material surface of the closed speaker frame 1, and the diaphragm is closed in FIGS. 7 and
811i! ! It is 設 け l provided that 詮 8 shown in I is provided. 11 and, as shown in FIG. 6, a fourpage adhesive comprising a speaker frame 1 having a slot as in the prior art. . 3. , 33, between
the upper surface of the 7 flanges of the speaker frame 1 and the lower surface of the end of the
cone 2; between the outer edge of the upper end of the voice coil bobbin 5 and the inner edge of
the cone; If the other part is applied in an annular form in advance and the other part is brought
into contact with each other between the inner surfaces of 1), the case of attaching to the inside
of a normal C7 speaker frame with a wide open [] portion and an adhesive 31 like IT31. . The
evaporation of the solvent in the atmosphere at 3 °, 33 intervenes through the holes 7a. If
necessary, a finger tip can be inserted from the hole 7 to correct the bonding posture of the cone
2 or the like. After the solvent escapes the adhesive effect, the hole 7 is closed by the plug 8 as
shown in FIG. According to the present invention, according to the present invention, adhesion by
the adhesive between the speaker frame and the cone, between the voice coil bobbin supporting
damper, and between the cone and the voice coil bobbin is similar to the case of bonding to the
speaker frame having a normal opening. The solvent can be evaporated and dissipated by using a
rubber-based adhesive, so that it is possible to fix the long-wearing posture of a cone etc., and
after the occurrence of the adhesive effect, after 5 pages, the hole of the speaker frame is
blocked by a plug [ Since the function as a closed-type speaker frame can be exhibited, the
closed-type speaker frame is extremely effective for improving the fabrication efficiency and
quality of the present cone speaker.
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