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JPS60165199

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DESCRIPTION JPS60165199
[0001]
[Technical Field of the Invention] The present invention allows the speaker to freely rotate in the
circumferential direction and arranges the speaker so that the directivity of the speaker can be
adjusted in a minute range. The present invention relates to a speaker device capable of
facilitating attachment and detachment of a cabinet so as to be changeable. [Prior Art] FIG. 1 is a
perspective view showing 119 of a conventional speaker apparatus. In the figure, 1 is a speaker
for reproducing high-pitched sound, 2 is a speaker for reproducing low-pitched sound, 3 is a
cabinet, and a high-pitched sound reproducing speaker 1 and a low-pitched sound reproducing
speaker 2 are provided. An auxiliary plate 4 is provided in the cabinet 3. 5 is a front baffle in the
cabinet 3; The high-pitched reproduction speaker l, the low-pitched reproduction speaker 2, the
auxiliary plate 4 and the like are fixed to the front baffle 5 by fasteners formed by screws or the
like. The conventional speaker device is configured as described above, for example, a position
where the high-tone reproduction speaker 1 is set as the auxiliary plate 4 so as to match the
actual speaker setting place or the listener's desired position in the room etc. It is possible to
change However, changing the position of the high-tone reproduction speaker 1 is only two
places in the illustrated conventional device, and the listener can not freely control the sound etc.
reproduced from the speaker device according to preference. It is impossible to adjust the
directivity of the sound etc. reproduced from the high sound reproduction speaker l or the bass
reproduction speaker 2 to match the configuration of the room etc. or the listening position of
the sound etc. by the listener. The In addition, in order to change the set position of the speaker,
an operation of attaching and detaching the fastener formed by a screw or the like is necessary,
and it has a drawback that it is not easily possible. . SUMMARY OF THE INVENTION The present
invention has been made to solve the above-mentioned drawbacks. For example, in a speaker
system constituted by a plurality of speakers, each speaker is housed in each cabinet. By this, it is
possible to freely change the position of each speaker and adjust the directivity of the sound to
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be reproduced by the speaker to match any situation in the room etc. or the desired position of
the listener. Therefore, it proposes a speaker device capable of obtaining the most appropriate
reproduction sound field. Embodiments of the invention will now be described with reference to
the accompanying drawings. FIG. 2 is a sectional view showing an embodiment of the present
invention. FIG. 3 is a cross-sectional view showing members for constituting an embodiment of
the present invention.
FIG. 4 is an enlarged cross-sectional view of a speaker device showing an embodiment of the
present invention. FIG. 5 is a top sectional view showing an embodiment of the present invention.
In these figures, a cabinet formed in a six-cylinder shape, 7 is a speaker provided in the cabinet 6
forming the cylindrical shape, and 8 stores a rotary shaft provided at the central portion of the
cabinet 6 forming the cylindrical shape. An air core portion 9; a guide groove recessed on a
circumference formed on the upper surface or the lower surface of the cylindrical cabinet 6; A
spherical stopper for preventing rotation mounted at a plurality of points), and 11 a
circumferential bevel formed on the cylindrical cabinet 6 so as to accommodate the spherical
stopper 1o for preventing rotation. A guide rail provided with a retaining groove having a
predetermined number (plurality) of retaining grooves provided, and an annular shape 12
recessed inside the air core portion 8 for storing the rotary shaft. Form a U-shape Grooves 13 are
spherical stoppers mounted at predetermined positions (a plurality of Wr) K of grooves forming
the U-shape, 14 are mounted on the air-spacing portion and the air-spacing portion 14 formed
on the cylindrical cabinet 6 The sound absorbing member 15 is an extensible member formed on
a spring material or the like for holding the spherical stopper 1o for rotation prevention and the
spherical stopper 13 inside the hollow core portion 8 for storing the rotary shaft 16Fi. The rotary
shaft main body to be inserted, 17 is the above-mentioned spherical stopper, 13 is housed, and a
concave groove for giving rotation, 18 is a claw portion (protrusion) provided on both upper and
lower ends of the concave groove, 19 is the above In the case where the cabinet 6 having a
cylindrical shape is overlaid, a fastener formed of a screw or the like used for fastening the
cabinet 6 is a fastener 20 for screwing in the fastener 19 such as a screw. Threaded groove, for
example with thread That. In the speaker apparatus configured as described above, for example,
when a predetermined number (plural) of cabinets 6 having a cylindrical shape shown in FIG.
The rotary shaft main body 16 is inserted into the interior of the portion 8 for housing the rotary
shaft in the cabinet 6 having a cylindrical shape. At that time, a concave stopper 13 provided in
the rotary shaft main body 16 has a spherical stopper 13 housed and formed in a predetermined
number (plurality) in a U-shaped groove 12 concaved in 6 parts 8 for housing the rotary shaft. It
is stored in the groove 17. At the upper and lower end portions of the recessed groove 17, claw
portions (clad portions) 18 are provided. This is an operation for forcibly disengaging the cabinet
6 in order to prevent the stopper 13 having a spherical shape from being easily detached and
when the cabinet 6 which is overlaid on the other hand is detached. To execute the
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In addition, the stopper 13 having a spherical shape is rotated inside the recessed groove 17 to
execute an operation of rotating the cylindrical cabinet 6 in the circumferential direction. When
overlaying the individual cabinets 6, the upper fastener screw-in groove 20 provided on the
upper portion of the rotary shaft 16 previously inserted in the air core portion 8 provided in the
lower cylindrical cavity 6) The screwing tool 19 provided on the rotary shaft main body 16 is
screwed in, and the second rotary shaft main body 16 is inserted into the air core portion 8
provided on the cabinet 6 serving as the upper layer in the same manner as described above.
Similarly, it is possible to easily stack the cabinet 6 having a cylindrical shape, and conversely, it
is also possible to easily separate the cabinet 6. Next, to control and adjust the rotation range in
the south direction of the circle J of the cabinet 6, a spherical stopper 10 for rotation prevention
is provided on a predetermined number (plural) on the guide rail 11 on which the locking groove
is provided. Operates when stored. As described above, since the device can be formed and
operated, the cylindrical cabinet 6 can freely rotate in the circumferential direction, and its
rotation radius is also fixed. It is possible to control in a minute range because of the
predetermined number (plurality) of locking grooves formed on the guide rails 11 provided with
the. That is, it becomes possible to control the directivity of the speaker in a minute range. FIG. 6
is a perspective view showing an embodiment of the present invention actually mounted on a
speaker. The figure shows a 3-way speaker system. Further, 21 is a decorative plate on the upper
side of the speaker system, 22 is a rotary base on the bottom of the speaker system, and 23 is a
speaker for reproducing middle bass. The configuration of the speaker system is not limited to
the configuration shown in FIG. Moreover, the number of spill forces stored in one cabinet 6 is
not limited to only one, and it is possible to provide a predetermined number, and as a result, a
speaker system having nondirectionality is also configured. It is possible to (The Spirka system
shown in FIG. 2 is an example. The order in which the speakers 6 are superimposed can also be
easily dusted. In the above-described embodiment of the present invention, the spherical stopper
10 for preventing one-rotation, the guide rail 11 provided with the locking groove, and the
spherical stopper 13 are combined by one each to form one set. Although the case has been
shown, it is possible to achieve the same effect by increasing the number of sets. FIG. 7 shows
another embodiment of the present invention, which is suitable for the case where the spherical
stopper 13 is increased by one and the cabinet 6 is relatively long in the longitudinal direction.
FIG. 8 shows the shape shown in FIG. 7, in which the spherical stopper 10 for rotation prevention
and the guide rail 11 provided with the locking groove are each increased by one, and the
cabinet 6 has relatively long and short dimensions Both are suitable for large ones, and their
operation can be smooth. FIG. 9 is suitable for the case where the spherical stopper 13 in FIG. 8
is only one Lh G and the cabinet 6 is a dog in a relatively uniform manner. FIG. 10 shows the case
where the spherical stopper 10 for rotation prevention and the guide rail 11 provided with the
locking groove are accommodated in the upper and lower parents two by two. In any of the
above cases (even if the spherical stop 1 for preventing the method 1 has been described or
illustrated as an embodiment of the present invention, the guide rail 11 provided with the
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retaining groove and the number of the spherical stoppers 13 are Not only that, but the size or
shape of the cabinet 6 or the directivity degree by the cabinet 60 rotation range 1714 K can be
related to lJj to easily change the number of storages. In conjunction with this, it is possible to
easily provide the rotating shaft main body 16 as well. In the above-mentioned figure, although
the case where all spherical stoppers 10 for rotation prevention were stored in the bottom of
cabinet 6 was indicated, the same effect is produced by setting up the main part of cabinet 6
upside down. Further, FIG. 6 shows the case where three cabinets 6 are stacked, and it is
apparent that fc is not limited to this number etc. p1 Therefore, the above-mentioned speaker is
not related to the class A of the speaker. It is possible to use the device. Further, although the
cabinet 6 accommodating the speaker device according to the embodiment of the present
invention has been described as having a cylindrical shape, the diffraction phenomenon which
has occurred in the corner portion of the cabinet or the like having a conventional rectangular
shape because of this shape Will inevitably decrease. Conventionally, in the case of, for example,
a 4-way speaker system in which a plurality of speakers are used, for example, the volume of the
cabinet increases and the weight becomes heavy, so considerable effort is required to move or
set the cabinet 6. Although it was necessary, the use of the above-mentioned speaker device
makes it possible to easily remove the cabinet 6 in which the individual speakers are housed, so
that the cabinet 6 can be moved or its setting as in the past. No longer needed In the abovementioned case, in the embodiment of the present invention, the speaker is provided to the
cabinet 6 having a cylindrical shape, but it is obvious that the shape of the cabinet 6 is not
limited to the cylindrical shape. It can be formed into various shapes and used.
11 and 12 show perspective views of a speaker system configured with a cabinet 6 having a
shape other than a cylindrical shape. In the above description, the case of using the cabinet 6
equipped with the speaker according to the present invention is described. However, it is also
obvious that the present invention can be applied to devices other than the speaker. I will.
[Effects of the Invention] As described above, according to the present invention, a simple and
easy configuration is to accommodate a member capable of freely performing rotation within a
minute range over the entire periphery and center of the cabinet. The speaker has an excellent
effect of being able to change the directivity of the speaker in a minute range, and it is of course
possible to direct the speaker in any direction by the above-mentioned members. The mounting
and demounting of the cabinet can be freely performed, and by increasing the number of rotary
shaft bodies, it is possible to freely connect the speakers.
[0002]
Brief description of the drawings
[0003]
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FIG. 1 is a perspective view showing a conventional speaker device, FIG. 2 is a cross-sectional
view showing an embodiment of the present invention, FIG. 3 is a cross-sectional view showing
constituent members in an embodiment of the present invention, FIG. FIG. 5 is an enlarged
sectional view of a speaker apparatus showing an embodiment of the present invention, FIG. 5 is
a top sectional view showing an embodiment of the present invention, and FIG. 6 is a perspective
view of a speaker system showing an embodiment of the present invention FIGS. 7 to 10 are
sectional views showing another embodiment of the present invention, and FIGS. 11 and 12 are
perspective views showing another embodiment of the present invention.
1 ... treble reproducing speaker, 2 ... low-frequency sound reproducing speaker, 6 ... cabinet, 7 ...
speaker, air-core section for 8 ... rotational shaft housing, 9 ... guide groove, 10- · · · Spherical
stopper for rotation prevention, 11 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Grooves, 18: claws
(protrusions), 19: threaded portions, 20: threaded grooves. In the figures, the same reference
numerals denote the same or corresponding parts. Agent Masaru Oiwa Figure 1 Figure 4 Figure
5 Figure 8 IO 10 11 Figure 12 Procedure Amendment (Spontaneous) 1. Indication of the case
Japanese Patent Application No. 59-20174 No. 3, to the person making corrections to Yuhito
Katano, Part 5 of the claims of the specification subject to correction, claim 6 of the content
specification of the correction Correct the problem. 2. Listed claims for correction of attached
documents Claims 1. Claim 2 (1) A speaker device constituted by superposing at least one or
more cabinets containing a speaker etc. A speaker device characterized in that it is rotated in a
direction and the cabinet can be freely attached and detached. (21) The speaker device according
to claim 1, wherein a cylindrical air core portion is provided at a central portion of the cabinet.
(3) In the above-mentioned speaker device, the rotary shaft having a cylindrical shape which can
be stored in the air core portion is accommodated. Speaker device. (4) In the above speaker
device, a guide rail provided with a locking groove in a U-shaped recess formed in an annular
shape over the entire circumference of the upper surface and the lower surface of the cabinet,
and an annular shape The speaker device according to claim 1, characterized in that a spherical
stopper for preventing rotation housed in the formed U-shaped storage case is recessed. (5) In
the above-mentioned speaker device, a claim is characterized in that the spherical stopper is
attached to a U-shaped recess formed in an annular shape inside the air-core portion and
recessed. The speaker device according to any one of the first, second and fourth terms. (6) The
speaker device according to any one of claims 1 to 3, characterized in that a concave groove for
housing the stout 4 having a spherical shape is provided all around the rotation shaft. The
speaker apparatus in any one of a term.
(7) The speaker device according to claim 4, characterized in that, in the speaker device, a
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predetermined number (plurality) of locking grooves provided on the guide rail are provided at
predetermined intervals on the circumference of the wheel. . (8) The speaker device according to
claim 4 or 7, wherein in the speaker device, the shape of the retaining groove provided in the
guide rail is formed to have a hemispherical shape. (9) The speaker device according to any one
of claims 1 to 4, wherein in the speaker device, the number of spherical stoppers for preventing
the rotation is at least one or more. The speaker device according to any one of claims 1 to 5,
wherein in the a1 speaker device, the number of spherical stoppers is at least one. (6) The
speaker device according to claim 3 or 6, wherein in the speaker device, the concave groove
provided in the rotation shaft is formed to have a semicircular shape. (6) In the above-mentioned
speaker device, the claws (protrusions) are provided at the upper and lower end portions of the
concave groove provided on the rotary shaft over the entire circumference of the rotary shaft,
The speaker apparatus according to any one of items 6 and 11. (2) In the speaker device, the
stopper having a spherical shape for preventing the rotation, the guide rail provided with the
retaining groove, the stony 4 having a spherical shape, the rotary shaft, and the concave
provided on the rotary shaft The speaker device according to claim 1 or 3, wherein there is at
least one method in which one groove and one groove are combined and configured. (B) In the
above speaker device, any of the upper and lower surfaces of the cabinet may be provided with a
guide rail provided with spherical stoppers and locking grooves for preventing the rotation. The
speaker apparatus according to claim 1 or claim 4. In the speaker device, the outer shape of the
cabinet is formed in a cylindrical shape. The speaker device according to any one of claims 1 to
3, wherein the cabinet is formed in a cylindrical shape.
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