JPS60165199A - Speaker device - Google Patents

Abstract

PURPOSE:To offer a speaker device capable of most proper reproduced sound field by accommodating a member by which a speaker is turned freely in a minute range to the entire surrounding and center part of a cabinet. CONSTITUTION:The cylindrical cabinet 6 is turned freely in the circumferential direction, the cabinet 6 mounted with a tweeter 1, the cabinet 6 mounted with a speaker 23 and the cabinet 6 mounted with a woofer 2 are laminated, each cabinet 6 is turned and the optimum sound field is obtained by controlling the directivity of each speaker within a minute range.

Description

[Detailed Description of the Invention] [Technology-Field of the Invention] The present invention provides a method for freely rotating a speaker in the circumferential direction so that the directivity of the speaker can be adjusted within a minute range. The present invention relates to a speaker device in which a cabinet can be easily attached and detached so that the arrangement of the speakers can be changed.

[Prior art]

FIG. 1 is a perspective view showing the 119 configuration of a conventional speaker device.

In the figure, 1 is a speaker for reproducing high frequencies, 2 is a speaker for reproducing low frequencies, and 3 is a cabinet, in which a speaker 1 for reproducing high frequencies and a speaker 2 for reproducing low frequencies are provided. Reference numeral 4 denotes an auxiliary board, which is installed in the cabinet 3. 5 is a front baffle in the cabinet 3.

The high-frequency sound reproducing speaker 1, the low-frequency sound reproducing speaker 2, the auxiliary plate 4, and the like are fixed to the front baffle 5 using fasteners formed by screws or the like.

The conventional speaker device is configured as described above. For example, the high-frequency sound reproduction speaker 1 is set at a position with the auxiliary plate 4 so as to match the actual speaker setting location or the desired position of the listener in a room or the like. It is possible to change the

However, changing the position of the high-frequency sound reproduction speaker 1
In the conventional device shown in the figure, there are only two locations, and it is impossible for the listener to freely control the sound etc. reproduced from the speaker device according to his/her preference.
Alternatively, it has been impossible to adjust the directivity of the sound etc. reproduced from the bass reproduction speaker 2 so as to match the configuration of the room etc. or the listening position of the sound etc. by the listener.

Furthermore, in order to change the set position of the speaker, it is necessary to attach and detach a fastener formed of screws, etc., which is not easily possible. .

[Summary of the invention]

The present invention has been made with the aim of improving the above-mentioned drawbacks. For example, in a speaker system composed of a plurality of speakers, each speaker is housed in each cabinet, so that it can be used indoors, etc. It is possible to freely change the position of each speaker and adjust the directivity of the sound etc. reproduced by the speaker to match any situation or the desired position of the listener. This invention proposes a speaker device that can obtain an appropriate reproduction sound field.

[Embodiments of the invention]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 2 is a sectional view showing an embodiment of the present invention.

FIG. 3 is a sectional view showing members for constructing an embodiment of the present invention. FIG. 4 is an enlarged 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, there are six cabinets formed in a cylindrical shape, 7 housing a speaker provided in the cylindrical cabinet 6, and 8 housing a rotating shaft provided in the center of the cylindrical cabinet 6. air core for,
9 is a guide groove recessed on the circumference formed on the upper or lower surface of the cylindrical cabinet 6; 1;
0 is the guide; a spherical stopper for preventing rotation is attached to a predetermined number P)r (multiple locations) of the groove 9; 11 is for storing the spherical stopper 1o for preventing rotation;
A guide rail provided with a predetermined number (plurality) of retaining grooves formed by recessing and recessing the circumferential upper part of the cabinet 6 having a cylindrical shape; 12 is an air core for storing the rotating shaft; 1 is a spherical stopper attached to a predetermined position (a plurality of pieces Wr) of the U-shaped groove;
4 is a cavity formed in the cylindrical cabinet 6 and a sound absorbing material attached to the cavity 14; 15 is a spherical stopper 1o for preventing rotation; and a spherical stopper 13.
16 Fi is a rotating shaft body inserted into the air core 8 for storing the rotating shaft; 17 is a spherical stopper; 13 is accommodated and rotated; 18 is a claw part (protrusion) provided at both the upper and lower ends of the groove, and 19 is a claw part for fastening the cabinet 6 when the cylindrical cabinets 6 are layered. The fastener 20 formed by the screw or the like used is a large fastener screw groove, for example, a thread groove, into which the fastener 19 such as the screw is screwed.

In the speaker device configured as described above, for example, when a speaker system is configured by stacking a predetermined number (plurality) of cylindrical cabinets 6 shown in FIG. 2, the lower layer of the stacked cabinets 6 is 6 for storing the rotating shaft in the cylindrical cabinet 6.
Insert the rotating shaft main body 16 into the interior of the section 8.

At that time, a spherical stopper 13 formed by storing a predetermined number (plurality of stoppers) in a U-shaped groove 12 recessed in the 6th part 8 for storing the rotating shaft is inserted into the recess provided in the rotating shaft body 16. Groove 1
It is stored in 7. Claw portions (knots) 18 are provided at both upper and lower ends of the groove 17 . This is to prevent the spherical stopper 13 from coming off easily, and conversely, when removing stacked cabinets 6, the claw portion (protrusion) 18 is used to forcibly remove the cabinet 6. This is to make sure that it is executed properly.

Further, the spherical stopper 13 rotates inside the groove 17 to rotate the cylindrical cabinet 6 in the circumferential direction.

When stacking the individual cabinets 6, a second screw is inserted into the upper fastener threading groove 20 provided on the upper part of the rotating shaft 16, which is inserted in advance into the air core 8 provided in the lower cylindrical cabinet 6. The fastener 19 provided on the rotating shaft main body 16 of the second rotating shaft main body 1 is screwed into the air core 8 provided in the upper layer cabinet 6 in the same manner as described above.
Insert 6.

Similarly, it is easy to stack the cylindrical cabinets 6, and conversely, it is also easy to separate the cabinets 6.

Next, what controls and adjusts the rotation range of the cabinet 6 in the south direction of the circle J is a spherical stopper 10 for preventing rotation.
It operates when the guide rail 11 provided with the stop grooves is accommodated in a predetermined number (plurality) of stop grooves.

As described above, since the device is fully assembled and can be operated, the cylindrical cabinet 6 can freely rotate in the circumferential direction, and its rotation is also caused by the stopper groove. Because of the predetermined number (plurality) of stopper grooves formed on the guide rail 11 provided with the guide rail 11, it is possible to control within a minute range.

That is, it becomes possible to control the directivity of the speaker within a minute range.

FIG. 6 is a perspective view showing an embodiment of the present invention actually combined with a speaker.

The figure shows a case where a 3-way speaker system is configured. 21 is a decorative plate on the upper part of the speaker system, 22
23 is a rotary table at the bottom of the speaker system, and a speaker 23 is used to reproduce medium and low frequencies.

The configuration of the speaker system is not limited to the configuration shown in FIG. 6, but also the configurations A and I are possible. Furthermore, the number of spill power units stored in one cabinet 6 is not limited to just one, but can be provided in a predetermined number.As a result, a speaker system with omnidirectionality can also be constructed. It becomes possible to do so.

(The spilker system shown in Figure 2 is one example.

) Also, the order in which the speakers 6 are stacked can be easily changed.

In addition, in the embodiment of the present invention described above, a spherical stopper lO for preventing one roll and a guide rail 11 provided with a stopper groove are used.
Although a case is shown in which the spherical stoppers 13 are combined into one set, the same effect can be achieved even if the number of sets is increased.

FIG. 7 shows another embodiment of the present invention, which has a shape in which one spherical stopper 13 is added, and is suitable when the cabinet 6 is relatively long in the vertical direction.

FIG. 8 shows a shape in which one spherical stopper 10 for preventing rotation and one guide rail 11 provided with a stopper groove are added to the shape shown in FIG. 7, and the cabinet 6 has relatively vertical and horizontal dimensions. It is suitable for large objects and can operate smoothly.

FIG. 9 shows the LhG shown in FIG. 8 having only one spherical stopper 13, and is suitable for a case where the cabinet 6 is relatively uniform.

FIG. 10 shows a case in which two spherical stoppers 10 for preventing rotation and two guide rails 11 provided with stopper grooves are housed one above the other.

In any of the above cases (t), the number of spherical stoppers 1 (1), guide rails 11 provided with stopper grooves, and spherical stoppers 13 for preventing one-turn method is not explained or illustrated as an embodiment of the present invention. Not only the size or shape of the cabinet 6, but also the rotation range of the cabinet 601714K
It is possible to easily change the storage number by making it dependent on the directional lees content.

The rotating shaft main body 16 can also be easily provided in conjunction with this.

In addition, in the above figure, the spherical stopper 1 for preventing rotation is
0 is housed on the bottom surface of the cabinet 6, but the same effect can be obtained by reversing the settings of the cabinet 6 body.

In addition, FIG. 6 shows a case where three cabinets 6 are stacked, and it is clear that fc is not limited to this number, etc. p1 Therefore, the above-mentioned speaker It is possible to use the device.

Further, although the cabinet 6 housing the speaker device according to the embodiment of the present invention has a cylindrical shape, this shape causes the diffraction phenomenon that occurs at the corner of a conventional rectangular parallelepiped cabinet. will inevitably decrease.

Conventionally, in the case of a 4-way speaker system consisting of a plurality of speakers, for example, the volume of the cabinet increases and the weight increases, so it requires considerable effort to move or set up the cabinet 6. However, by using the above speaker device,
Since the cabinet 6 in which the individual speakers are housed can be easily removed, the effort required to move or set the cabinet 6 is no longer required.

In the above case, in the embodiment of the present invention, the speaker is provided in the cylindrical cabinet 6;
It is obvious that the shape of the cabinet 6 is not limited to a cylindrical shape, and can be formed into various shapes for use.

FIGS. 11 and 12 are perspective views of a speaker system configured with a cabinet 6 having a shape other than a cylindrical shape.

In addition, in the above description, regarding the case where the speaker of the present invention is stored and used in the cabinet 6,
Although described, it will be obvious that the present invention can be applied to devices other than speakers.

〔Effect of the invention〕

In addition to the above, the present invention has a simple configuration in which a member that can be freely rotated within a minute range is housed in the entire periphery and center of the cabinet, thereby improving the directivity of the speaker. It has the excellent effect of being able to change the direction within a minute range, and the above-mentioned member not only allows the speaker to be directed in any direction, but also allows the cabinet to be attached and removed. is performed freely, and by increasing the number of rotating shaft bodies υ, it is possible to freely connect speakers.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing a conventional speaker device, Fig. 2 is a sectional view showing an embodiment of the present invention, Fig. 3 is a sectional view showing constituent members in an embodiment of the invention, and Fig. 4 is a sectional view showing a conventional speaker device. FIG. 5 is an enlarged 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; FIG. 6 is a perspective view of a speaker system showing an embodiment of the present invention; Figures 7 to 1
FIG. 0 is a sectional view showing another embodiment of the present invention, and FIGS. 11 and 12 are perspective views showing other embodiments of the invention. DESCRIPTION OF SYMBOLS 1...Speaker for high frequency reproduction, 2...Speaker for bass reproduction, 6...Cabinet, 7...Speaker, 8.
・Air core for storing rotating shaft, 9 ・Guide groove, 10 ・・
- Spherical stopper for rotation prevention, 11... Idle rail with a stopper groove, 12... U-shaped groove, 13... Spherical stopper, 16... Rotating shaft body, 17... Concave groove ,
18... Claw portion (protrusion), 19... Threaded portion, 20.
・Screw groove. In the figures, the same reference numerals indicate the same or corresponding parts. Agent Masuo Oiwa Figure 1 Figure 4 Figure 5 Figure 8 IO10 Figure 11 Procedural Amendment (Voluntary) 1. Indication of the case: Japanese Patent Application No. 59-20174 No. 3, Part 5 of the person making the amendment, Representative Kata Yuhito, Column 6 of the scope of claims of the specification subject to the amendment, Attachment showing the scope of claims of the description of the contents of the amendment Correct the rules. 2. Revised list of attached documents Claims 1 copy 2. Claims (1) In a speaker device constructed by stacking at least one cabinet containing a speaker, etc., the cabinet is 1. A speaker device characterized in that the speaker device can be rotated in a direction and the cabinet can be freely attached and detached. (21) In the speaker device, the speaker device according to claim 1, characterized in that a cylindrical air core portion is provided in the center of the cabinet. (3) In the speaker device, the air core portion The speaker device according to claim 1 or 2, characterized in that the speaker device houses a rotating shaft having a cylindrical shape that can be housed in the speaker device. , a guide rail having a retaining groove in a U-shaped recess formed in a toroidal shape over the entire periphery of the upper and lower surfaces of the cabinet; The speaker device according to claim 1, characterized in that a spherical stopper for preventing rotation of the speaker device stored in the storage case is recessed. Claims 1, 2, or 4, characterized in that the spherical stopper is attached to a U-shaped recess formed in a toroidal shape inside and is recessed. The speaker device according to any one of the claims. (6) In the speaker device, a groove for accommodating the spherical stop horn 4 is provided all around the rotating shaft. The speaker device according to any one of Item 3, Item 3, and Item 5. (7) In the speaker device, a predetermined number (plurality) of retaining grooves provided on the guide rail are provided on the circumference at predetermined intervals. The speaker device according to claim 4, characterized in that: (8) In the speaker device, the stop groove provided in the guide rail is formed in a hemispherical shape. The speaker device according to claim 4 or 7. (9) In the speaker device, the number of spherical stoppers for preventing the rotation is at least one. The speaker device according to claim 1 or 4. a1 In the speaker device, the number of spherical stoppers is at least one or more. (6) In the speaker device, the groove provided on the rotating shaft is formed in a semicircular shape. Speaker device. (6) In the speaker device, claw portions (protrusions) are provided at both upper and lower ends of the groove provided on the rotating shaft, all around the rotating shaft. The speaker device according to any one of Item 3, Item 6, and Item 11. (2) In the speaker device, a spherical stopper for preventing the rotation, a guide rail provided with the stopper groove, a spherical stop horn 4, and the rotating shaft;
4. The speaker device according to claim 1, wherein there is at least one method of connecting the grooves provided on the rotating shaft with only one groove. (b) In the speaker device, a guide rail having a spherical stopper and a stop groove for preventing the rotation may be provided on either the upper surface or the lower surface of the cabinet in any direction. A speaker device according to claim 1 or 4. (to) The speaker device according to any one of claims 1, 2, and 3, wherein the cabinet has a cylindrical outer shape.

Claims (1)

[Scope of Claims] (1) A speaker device configured by at least one M layer of cabinets each housing a speaker, etc., wherein the cabinet is rotated in a circumferential direction. A speaker device characterized in that the speaker device is configured to be freely attached and detached. (2) The speaker device according to claim 1, wherein a cylindrical core portion is provided in the center of the cabinet. (3) Claims 1 or 2, characterized in that the speaker system is adapted to accommodate a rotating shaft having a cylindrical shape that can be accommodated in the air core. The speaker device described. (4) In the above-mentioned speaker device, a guide rail provided with a stop groove in a U-shaped recess formed in a toroidal shape and a guide rail formed in a toroidal shape over the entire periphery of the upper and lower surfaces of the cabinet; The speaker device according to claim 1, characterized in that a spherical stopper for preventing rotation stored in the U-shaped storage case is recessed. (5) The speaker device In the device, the spherical stopper is attached to and recessed in a U-shaped recess formed in a toroidal shape inside the air core. The spill force device according to any one of Items 1 and 4. (6) In the speaker device, a concave groove for accommodating the spherical stopper is provided all around the rotating shaft. Claim 1,
The speaker device according to claim 3 or 5. (7) In the speaker device, the stopper grooves provided on the guide rail are depressed for a predetermined period and a predetermined number (a
5. The speaker device according to claim 4, wherein the speaker device is provided with several speakers. (8) The speaker device according to claim 4 or 7, wherein the stopper groove provided in the guide rail is formed in a hemispherical shape. (9) The speaker device according to claim 1 or 4, wherein the number of spherical stoppers for preventing the rotation is at least one. (10) In the speaker device, the speaker device has a spherical shape.
'The speaker device according to claim 1 or 5, wherein the number of brim is at least one. aυ The speaker device according to claim 3 or 6, wherein in the speaker device, the concave groove provided on the rotating shaft is formed in a semicircular shape. αEnokiClaim 3: In the speaker device, claw portions (protrusions) are provided at both upper and lower ends of the groove provided on the rotation shaft, all around the rotation shaft. , the speaker device according to any one of Item 6 and Item 11. Q3) In the speaker device, a spherical stopper for preventing the rotation, a guide rail provided with the stop groove, a spherical stopper, the rotating shaft, and a groove provided on the rotating shaft. 4. The speaker device according to claim 1, wherein there is at least one set of all 6° angles formed by multiple combinations of only one each. In the speaker device, a spherical stopper and stopper groove for preventing the rotation are provided on either the upper surface or the lower surface of the cabinet, but the idle rail may be provided in any direction. A speaker device according to claim 1 or 4. 3. The speaker device according to claim 1, wherein the cabinet has a cylindrical outer shape.