JPH0834646B2 - Mounting direction rotary speaker device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting direction rotary type speaker device mounted on a ceiling, a wall or the like for use.

2. Description of the Related Art Conventionally, as this type of speaker device, a configuration is known in which a speaker is directly attached to a ceiling, a wall, or the like. Hereinafter, the conventional speaker device will be described with reference to FIG.

As shown in FIG. 4, for example, the speaker 53 is inserted into the speaker mounting hole 52 formed in the ceiling 51, the mounting portion 54 of the speaker 53 is overlapped with the outer edge portion of the speaker mounting hole 52,
The mounting portion 54 is fixed to the outer edge portion of the speaker mounting hole 52 with a screw 55.

However, in the above-described conventional speaker device, since the speaker 53 is fixed to the ceiling 51 or the like by the screws 55 or the like, the speaker 53 cannot be changed in any direction after the speaker device is installed. Therefore, if the speaker 53 is installed in a non-optimal position due to restrictions on the installation of the speaker 53, flutter echo may occur between the ceiling and the floor, which may disturb the sound field. There is a problem that a good sound cannot be supplied to the listener depending on the position of the listener.

The present invention is to solve such a conventional problem, and even after the speaker is installed on the ceiling, wall, etc., its direction can be changed, and the occurrence of flutter echo can be prevented. A mounting direction that can supply a good sound to the listener, can easily and reliably define the direction of the speaker, and can create an optimal sound field for the listener. An object of the present invention is to provide a rotary speaker device.

Means for Solving the Problems The present invention, in order to achieve the above object, has a speaker having a spherical portion at least in a part of a speaker box,
The spherical part of this speaker is rotatably supported by the receiving part,
A speaker mounting seat to be mounted on a mounting portion such as a ceiling or a wall, an annular speaker pressing member that presses the spherical upper portion of the speaker so as to allow the speaker mounting seat to rotate, and the speaker mounting seat and the speaker pressing member are connected. A connecting member made of an elastic material, an angle defining line which is concentrically provided on the speaker box and which is selectively aligned with a receiving portion of the speaker mounting seat, and which is provided on the speaker box and the speaker mounting seat. And a radial angle defining line, and a stopper provided on the speaker box and restricted in rotation by engaging with a receiving portion of the speaker mounting seat.

Further, the angle defining line and the angle reference line are provided by printing, provided by a convex strip, or provided by a concave groove.

Operation The present invention has the following effects due to the above-mentioned configuration.

That is, the speaker is slid with respect to the speaker mounting seat and the speaker pressing member using the spherical portion of the speaker box, freely rotated in both the horizontal and vertical directions, and changed in any direction even after the speaker is mounted. be able to. At this time, the angle can be specified by aligning the concentric angle defining line of the speaker box and the receiving portion of the speaker mounting seat, and by aligning the angle reference line and the angle defining line of the speaker box and speaker mounting seat. it can. Further, by restricting the rotation angle of the speaker with the stopper, it is possible to prevent the sound from being emitted to the inside of the attached portion.

Examples Hereinafter, examples of the present invention will be described with reference to the drawings.

1 to 3 show a mounting direction rotary type speaker device in one embodiment of the present invention. FIG. 1 is a partially cutaway side view, FIG. 2 is a bottom view and FIG. 3 is a speaker direction. It is a partially cutaway side view of the changed state.

1 and 2, 1 is a speaker,
The sound radiating portion 3 of the speaker unit is exposed in a part of the speaker box 2, and the whole is formed in a spherical shape. Angle defining lines 4 for defining vertical angles of a plurality of lines (four lines in the illustrated example) are concentrically provided on the sound emitting portion 3 side of the speaker box 2. Further, on the sound emitting portion 3 side of the speaker box 2, a single angle reference line 5 for defining an angle in the horizontal direction in a direction perpendicular to the angle defining line 4 is provided. Reference numeral 6 denotes a stopper for restricting a rotation angle, which is provided so as to be concentric with the angle defining line 4 at the center of the speaker box 2. Reference numeral 7 is a speaker mounting seat, which is an annular mounting portion 9 on the large diameter side of the tapered portion 8.
Are continuously provided, and the receiving portion 10 made of a cushion material is covered on the small diameter portion side of the tapered portion 8, and the receiving portion 10 is formed to have the maximum diameter of the speaker box 2. The taper-shaped part 8 has cylindrical fixing parts at four equally spaced positions on the circumference.
11 and the hook-shaped engaging portion 12 are alternately provided, and the attaching portion 9
The screw insertion holes 13 are formed at a plurality of positions. A plurality of (12 in the illustrated example) angle defining lines 14 for radially defining an angle in the horizontal direction are radially provided on the tapered portion 8. Reference numeral 15 denotes an annular speaker pressing member, which has an inner diameter smaller than the maximum diameter of the speaker box 2, and has holes 16 formed at four equidistant positions on the circumference. Reference numeral 17 denotes a pair of connecting members for connecting the speaker mounting seat 7 and the speaker pressing member 15, which are formed of an elastic material such as rubber. Each connecting member 17 is inserted into the adjacent holes 16 in the speaker pressing member 15, one end is inserted into the cylindrical fixing portion 11 of the speaker mounting seat 7, and the connecting member 17 is pulled out by locking means (not shown) such as forming a knot. A ring-shaped locking portion 18 that is fixed in the stopped state and is locked to the locking portion 12 of the speaker mounting seat 7 is provided at the other end. The angle defining line 4, the angle reference line 5 and the angle defining line 14 are provided by silk screen printing or the like, or are provided by a convex strip or are provided by a groove.

Next, the order of mounting the speaker 1 on the ceiling according to the above embodiment will be described.

As shown in FIGS. 1 and 2, first, the spherical portion of the speaker box 2 of the speaker 1 is supported by the receiving portion 10 of the speaker mounting seat 7, and the sound emitting portion 3 is attached to the speaker mounting seat 7.
Position it in the open part of. Next, the speaker pressing member 15 is placed on the other side of the spherical portion of the speaker box 2, and each connecting member
The locking portion 18 of 17 is locked to the locking portion 12 of the speaker mounting seat 7. In this way, the speaker mounting seat 7 that supports the speaker box 2 in a narrow manner and the speaker pressing member 15 are connected by the elastic connecting member 17, so that the speaker box 2 is fixed to the speaker mounting seat 7 and the speaker pressing member 15. By supporting and forcibly sliding and rotating the speaker box 2, the sound emitting portion 3 can be oriented in any direction. Then, the speaker 1 or the like is inserted into the speaker mounting hole 20 formed in the ceiling 19 from the front side, the mounting portion 9 of the speaker mounting seat 7 is overlapped with the outer edge of the surface of the speaker mounting hole 20, and the screw insertion hole 13 of the mounting portion 9 is inserted. The speaker body 1 is attached to the ceiling 19 by screwing the twisted screws 21 into the screw holes 22 formed at the outer edge of the speaker mounting hole 20.
Can be mounted on

If the above speaker device is installed at a non-optimal position due to installation restrictions, etc., and the sound does not reach the listener,
As shown in FIG. 3, the speaker 1 is forcibly slid with respect to the receiving portion 10 of the speaker mounting seat 7 and the speaker pressing member 15, and the mounting direction is arbitrarily changed, so that the cover area is changed by the listener. Can provide good sound. Further, by changing the mounting direction of the speaker 1 as described above, it is possible to prevent flutter echo from being generated between the ceiling 19 and the floor, and to create an optimum sound field. At this time, the vertical angle of the speaker 1 is determined by aligning the angle defining line 4 of the speaker box 2 with the receiving portion 10 of the speaker mounting seat 7, and the horizontal angle of the speaker 1 is determined by the speaker box 2 The angle can be defined by aligning the angle reference line 5 and the angle defining line 14 of the speaker mounting seat 7. Further, the stopper 6 is engaged with the receiving portion 10 of the speaker mounting seat 7 to restrict the rotation of the speaker 1, and the sound emitting portion 3 is prevented from being directed from the speaker mounting hole 20 of the ceiling 19 toward the inside of the ceiling 19. However, it is possible to prevent sound from being emitted into the ceiling 19.

The speaker 1 does not have to be spherical in shape. Further, the horizontal angle defining line 14 may be provided on the speaker box 2 side, and the horizontal angle reference line 5 may be provided on the tapered portion 8 side of the speaker mounting seat 7.

As described above, according to the present invention, the spherical portion of the speaker box is supported by the speaker mounting seat, the spherical portion of the speaker box is pressed by the speaker pressing member, and the speaker is connected by the elastic member. Since the mounting seat and speaker holding member are connected and the speaker box is rotatably supported, it can be freely rotated in both the horizontal and vertical directions even after the speaker is mounted, and can be changed in any direction. . Therefore, even if the speaker is mounted at a non-optimal position due to mounting restrictions and the sound does not reach the listener, by changing the mounting direction of the speaker, a better sound can be supplied to the listener. Further, it is possible to prevent the occurrence of flutter echo between the ceiling and the floor. At this time, the angle can be specified by aligning the concentric angle defining line of the speaker box and the receiving portion of the speaker mounting seat, and by aligning the angle defining line and the angle reference line of the speaker mounting seat and the speaker box. Therefore, the angle can be defined easily and surely. Further, by restricting the rotation angle of the speaker with the stopper, it is possible to prevent the sound from being emitted to the inside of the attached portion, and to create an optimum sound field for the listener.

In addition, the configuration is simplified by providing the angle defining line and the angle reference line by printing.

Further, by providing the angle defining line and the angle reference line by the convex stripe or the concave groove, the angle can be defined more easily and surely.

[Brief description of drawings]

1 to 3 show a mounting direction rotary type speaker device in one embodiment of the present invention. FIG. 1 is a partially cutaway side view, FIG. 2 is a bottom view and FIG. 3 is a speaker direction. FIG. 4 is a partially cutaway side view of the state where it is changed, and FIG. 4 is a partially cutaway exploded view showing a conventional speaker device. 1 ... Speaker, 2 ... Speaker box, 3 ... Angle defining line, 5 ... Angle reference line, 6 ... Stopper, 7 ...
Speaker mounting seat, 14 ... Angle defining line, 15 ... Speaker holding member, 17 ... Connecting member, 19 ... Ceiling.

Claims (4)

[Claims] 1. A speaker having a spherical portion at least in a part of a speaker box, and a speaker mounting seat rotatably supported by a receiving portion of the spherical portion of the speaker and attached to an attached portion such as a ceiling or a wall. An annular speaker pressing member that presses the spherical upper portion of the speaker with respect to the speaker mounting seat to allow rotation, an elastic connecting member that connects the speaker mounting seat and the speaker pressing member, and the speaker box to the speaker box. An angle defining line provided concentrically and selectively fitted to the receiving portion of the speaker mounting seat, and an angle reference line and a radial angle defining line provided selectively to the speaker box and the speaker mounting seat. And provided on the speaker box,
An installation direction rotating type speaker device, comprising: a stopper which is engaged with a receiving portion of the speaker mounting seat and whose rotation is restricted. 2. The mounting direction rotary speaker device according to claim 1, wherein the angle defining line and the angle reference line are printed. 3. The mounting direction rotary type speaker device according to claim 1, wherein the angle defining line and the angle reference line are ridges. 4. The mounting direction rotary speaker device according to claim 1, wherein the angle defining line and the angle reference line are concave grooves.