CN212324299U - Horn angle adjustable three-frequency division sound box - Google Patents
Horn angle adjustable three-frequency division sound box Download PDFInfo
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- CN212324299U CN212324299U CN202021374899.0U CN202021374899U CN212324299U CN 212324299 U CN212324299 U CN 212324299U CN 202021374899 U CN202021374899 U CN 202021374899U CN 212324299 U CN212324299 U CN 212324299U
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Abstract
The utility model discloses a bugle angularly adjustable three-frequency division audio amplifier, include the box, be fixed in the inside bugle of box, the bugle both sides all are fixed with medium pitch loudspeaker and woofer, the one end and the tweeter of bugle are connected, the bugle other end is connected with angle adjustment mechanism. The utility model adopts the above structure's bugle angularly adjustable three-frequency division audio amplifier through setting up the bugle between loudspeaker for woofer, middle-range loudspeaker, loudspeaker all take the compression bugle, and then make woofer, middle-range loudspeaker, loudspeaker all accessible bugle compression increase acoustic pressure, have better long-range shooting nature, and go back the play sound angle that angle adjustment mechanism adjusted loudspeaker, thereby make the short high pitch of wavelength have better directive property.
Description
Technical Field
The utility model relates to an audio amplifier technique especially relates to a bugle angularly adjustable three-frequency-division audio amplifier.
Background
A speaker refers to a device that can convert an audio signal into sound. The popular way is that a power amplifier is arranged in a main box body or a bass box body of the sound box, and the sound box generates sound after amplifying an audio signal, so that the sound is amplified and radiated to a space. It is an extremely important component of an audio system and is responsible for the task of converting electrical signals into acoustic signals for direct listening by the human ear.
Because the music reproduction frequency bands of the single loudspeakers have certain widths and generally cannot completely meet the wide range of 20-20 kHz, most of the existing sound boxes adopt high, middle and low-pitch loudspeakers to respectively reproduce respective frequency bands and then synthesize the whole music so as to meet the requirement of music reproduction.
However, the existing sound box has poor sound wave directivity and is not suitable for being used in large occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bugle angularly adjustable three-frequency-division sound box, through setting up the bugle between loudspeaker for woofer, middle-range loudspeaker, loudspeaker all take the compression bugle, and then make woofer, middle-range loudspeaker, loudspeaker all accessible bugle compression increase acoustic pressure, have better long-range shooting nature, and still can adjust loudspeaker's play sound angle through angle adjustment mechanism, thereby make the short high pitch of wavelength have better directive property.
In order to achieve the above object, the utility model provides a bugle angularly adjustable three-frequency-division sound box, include the box, be fixed in the inside bugle of box, the bugle both sides all are fixed with medium range loudspeaker and woofer, the one end and the tweeter of bugle are connected, the bugle other end is connected with angle adjustment mechanism.
Preferably, the angle adjusting mechanism comprises adjusting units respectively arranged at two sides of the horn outlet end.
Preferably, the adjusting unit comprises a base and a movable shell, the base corresponds to the horn outlet end and is connected with the box body, the base is of an L-shaped structure facing the opening of the movable shell, the movable shell is of an inverted L-shaped structure buckled at the opening end of the base, one end of the movable shell is rotatably connected with one end of the base through a torsion spring, and the other end of the movable shell is clamped with the base through an adjusting piece.
Preferably, the adjusting part comprises a shifting part, a buckling spring and a limiting plate, wherein the shifting part mainly comprises a shifting plate, positioning rods and pressure connecting rods, the positioning rods and the pressure connecting rods are respectively arranged on two sides of the shifting plate, the limiting plate is a tool plate, two ends of the tool plate are connected with the inner side of the movable shell through screws, a guide rail is arranged in the middle of the tool plate, the pressure connecting rods penetrate through the guide rail and then are in pressure connection with the inner side of the movable shell, and the pressure connecting rods are inclined plates inclined towards the direction of the shifting plate;
the positioning rod penetrates through the movable shell and then is in compression joint with the inner side of the base through the buckling spring.
Preferably, one end of the poking plate penetrates out of the movable shell through a poking hole formed in the movable shell, and a poking allowance is reserved between the poking hole and the poking plate.
Preferably, the contact surface of the base in compression joint with the positioning rod is an arc-shaped surface, the arc-shaped surface bends towards the positioning rod, and the contact surface of the positioning rod and the arc-shaped surface is an inclined surface inclining upwards towards the poking hole.
Preferably, the snap spring is disposed between the positioning rod and the toggle plate.
Preferably, one end of the movable shell, which is far away from the torsion spring, is fixed with a hook plate, and the hook plate is in compression joint with the side face of the base, which is in compression joint with the positioning rod.
Preferably, a plurality of the box bodies are arranged in a linear array, and two adjacent box bodies are connected through a hanging connecting piece.
Therefore, the utility model adopts the above structure's horn angle adjustable three-frequency division sound box is through setting up the horn between loudspeaker for woofer, middle-range loudspeaker, loudspeaker all have the compression horn, and then make woofer, middle-range loudspeaker, loudspeaker all accessible horn compression increase acoustic pressure, have better long-range shooting nature, and still can adjust loudspeaker's play sound angle through angle adjustment mechanism, thereby make the short high pitch of wavelength have better directive property.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention;
fig. 2 is a sectional view of an adjusting unit of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention;
fig. 3 is a perspective view of a movable casing of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention;
fig. 4 is a perspective view of a toggle member of a three-frequency division sound box with an adjustable bugle angle according to an embodiment of the present invention;
fig. 5 is a perspective view of a limiting plate of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention;
fig. 6 is an assembly diagram of the three-frequency division sound box with an adjustable horn angle according to the present invention.
Wherein: 1. a box body; 2. a woofer; 3. a tweeter; 4. a horn; 5. a mediant loudspeaker; 6. An adjustment member; 60. a buckling spring; 61. a limiting plate; 610. a guide rail; 62. a toggle piece; 620. A poking plate; 621. a compression link rod; 622. positioning a rod; 63. a torsion spring; 7. a base; 8. a movable shell.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is a cross-sectional view of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention; fig. 2 is a sectional view of an adjusting unit of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention; fig. 3 is a perspective view of a movable casing of a three-frequency division sound box with an adjustable horn angle according to an embodiment of the present invention; fig. 4 is a perspective view of a toggle member of a three-frequency division sound box with an adjustable bugle angle according to an embodiment of the present invention; fig. 5 is the utility model discloses an embodiment a limiting plate stereogram of bugle angularly adjustable three-frequency-division sound box, fig. 6 is the utility model discloses an embodiment a bugle angularly adjustable three-frequency-division sound box's equipment picture, as shown in the figure, the utility model discloses a structure, including the box, be fixed in the inside bugle of box, the bugle both sides all are fixed with medium pitch loudspeaker and woofer, the one end and the tweeter of bugle are connected, the bugle other end is connected with angle adjustment mechanism.
Specifically, the angle adjusting mechanism comprises adjusting units which are respectively arranged on two sides of the horn outlet end. The adjusting unit comprises a base and a movable shell, the base corresponds to the horn outlet end and is connected with the box body, the base is of an L-shaped structure facing the opening of the movable shell, the movable shell is of an inverted L-shaped structure buckled at the opening end of the base, one end of the movable shell is rotatably connected with one end of the base through a torsion spring, and the other end of the movable shell is clamped with the base through an adjusting piece. The adjusting part comprises a shifting part, a buckling spring and a limiting plate, wherein the shifting part mainly comprises a shifting plate, positioning rods and pressure connecting rods, the positioning rods and the pressure connecting rods are respectively arranged on two sides of the shifting plate, the limiting plate is a tool plate, two ends of the tool plate are connected with the inner side of the movable shell through screws, a guide rail is arranged in the middle of the tool plate, the pressure connecting rods penetrate through the guide rail and then are in compression joint with the inner side of the movable shell, the shifting plate is further in plug-in connection with the tool plate through a plug-in board, a movable allowance is reserved between the plug-in holes and the plug-in board, the shifting plate is convenient to further position, and the; the positioning rod penetrates through the movable shell and then is in compression joint with the inner side of the base through the buckling spring. Preferably, the snap spring is disposed between the positioning rod and the toggle plate, so that the positioning rod of the toggle member is pressed against the base by the pressure of the snap spring. And the contact surface of the base and the positioning rod in compression joint is an arc-shaped surface, the arc-shaped surface bends towards the positioning rod, the contact surface of the positioning rod and the arc-shaped surface is an inclined surface which inclines upwards towards the direction of the poking hole, and the arrangement of the inclined surface and the arc-shaped surface enables the compression joint of the positioning rod and the base to be more stable, so that the movable shell and the base can be positioned by means of the positioning rod.
Meanwhile, one end of the poking plate penetrates out of the movable shell through a poking hole formed in the movable shell, and a poking allowance is reserved between the poking hole and the poking plate.
Preferably, the one end that the activity shell kept away from the torsional spring is fixed with and colludes the board, collude the board with the base crimping has the side crimping of locating lever, makes the location more stable between activity shell and the base under the positioned state.
Preferably, the plurality of box bodies are arranged in a linear array, and two adjacent box bodies are connected through a hanging connector, where the hanging connector is a connector described in a previous patent application (CN208987121U, CN210042110U) of this company, which is common knowledge and therefore will not be described herein again.
The working principle is as follows: when the bugle angle needs to be adjusted to be small, the poking plate is poked towards the direction of the torsion spring, the compression joint rod extrudes the movable shell outwards, the movable shell rotates towards the direction far away from the base, the angle between the two movable shells can be reduced by adjusting the two adjusting pieces in the same way, the hand is loosened after the movable shell is in place, the positioning rod can press the inner wall of the base under the pressure of the buckling spring to realize positioning, and therefore the bugle angle is adjusted to be small; when the horn angle needs to be enlarged, the movable shell is pressed towards the direction of the base, the movable shell drives the adjusting piece to rotate inwards, the hand is loosened after the adjusting piece is in place, the positioning rod can press the inner wall of the base again under the pressure of the buckling spring to realize positioning, and therefore the horn angle is enlarged
Application example:
the HFT-520 linear array sound is taken as an example for explanation, and when the HFT-520 linear array sound is connected in series and hung, bass, middle and treble have compressed horns, so that the linear array sound is compared with a three-frequency division sound with the same power, the sound pressure is improved, and the remote transmission is improved. As described by taking the HFT-520 three-frequency division sound system composed of six linearly arranged sound boxes as an example, the variable angle of the high-pitched sound horn of the upper side 4, which only needs to be far radiated and directive property, can be adjusted to the minimum (when the distance between the two movable shells is the closest), and the variable angle of the high-pitched sound horn of the lower side 2, which only needs to be near radiated, can be adjusted to the maximum (when the distance between the two movable shells is the farthest) when in use. It should be noted that the high-pitched sound horn of each sound can be adjusted to the required angle according to different sites in the whole string of sounds.
Therefore, the utility model adopts the above structure's horn angle adjustable three-frequency division sound box is through setting up the horn between loudspeaker for woofer, middle-range loudspeaker, loudspeaker all have the compression horn, and then make woofer, middle-range loudspeaker, loudspeaker all accessible horn compression increase acoustic pressure, have better long-range shooting nature, and still can adjust loudspeaker's play sound angle through angle adjustment mechanism, thereby make the short high pitch of wavelength have better directive property.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a bugle angularly adjustable three-frequency-division sound box, includes the box, is fixed in the inside bugle of box, the bugle both sides all are fixed with well loudspeaker and woofer, the one end and the tweeter of bugle are connected its characterized in that: the other end of the horn is connected with an angle adjusting mechanism.
2. The horn angle adjustable triple-division sound box of claim 1, wherein: the angle adjusting mechanism comprises adjusting units which are respectively arranged on two sides of the horn outlet end.
3. The horn angle adjustable triple-division sound box of claim 2, wherein: the adjusting unit comprises a base and a movable shell, the base corresponds to the horn outlet end and is connected with the box body, the base is of an L-shaped structure facing the opening of the movable shell, the movable shell is of an inverted L-shaped structure buckled at the opening end of the base, one end of the movable shell is rotatably connected with one end of the base through a torsion spring, and the other end of the movable shell is clamped with the base through an adjusting piece.
4. The horn angle adjustable triple-division sound box of claim 3, wherein: the adjusting part comprises a shifting part, a buckling spring and a limiting plate, wherein the shifting part mainly comprises a shifting plate, positioning rods and pressure connecting rods, the positioning rods and the pressure connecting rods are respectively arranged on two sides of the shifting plate, the limiting plate is a tool plate, two ends of the tool plate are connected with the inner side of the movable shell through screws, a guide rail is arranged in the middle of the tool plate, the pressure connecting rods penetrate through the guide rail and then are in pressure connection with the inner side of the movable shell, and the pressure connecting rods are inclined plates inclined towards the direction of the shifting plate;
the positioning rod penetrates through the movable shell and then is in compression joint with the inner side of the base through the buckling spring.
5. The horn angle adjustable triple-division sound box of claim 4, wherein: one end of the poking plate penetrates out of the movable shell through a poking hole formed in the movable shell, and a poking allowance is reserved between the poking hole and the poking plate.
6. The horn angle adjustable triple-division sound box of claim 5, wherein: the contact surface of the base and the positioning rod in compression joint is an arc-shaped surface, the arc-shaped surface bends towards the positioning rod, and the contact surface of the positioning rod and the arc-shaped surface is an inclined surface which inclines upwards towards the poking hole.
7. The horn angle adjustable triple-division sound box of claim 5, wherein: the buckling spring is arranged between the positioning rod and the poking plate.
8. The horn angle adjustable triple-division sound box of claim 5, wherein: and one end of the movable shell, which is far away from the torsion spring, is fixedly provided with a hook plate, and the hook plate is in compression joint with the side face of the base, which is in compression joint with the positioning rod.
9. The horn angle adjustable triple-division sound box of claim 1, wherein: the plurality of box bodies are arranged in a linear array, and two adjacent box bodies are connected through a hanging connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021374899.0U CN212324299U (en) | 2020-07-14 | 2020-07-14 | Horn angle adjustable three-frequency division sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021374899.0U CN212324299U (en) | 2020-07-14 | 2020-07-14 | Horn angle adjustable three-frequency division sound box |
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| Publication Number | Publication Date |
|---|---|
| CN212324299U true CN212324299U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021374899.0U Active CN212324299U (en) | 2020-07-14 | 2020-07-14 | Horn angle adjustable three-frequency division sound box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
-
2020
- 2020-07-14 CN CN202021374899.0U patent/CN212324299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
| CN113810824B (en) * | 2021-10-27 | 2023-04-28 | 安徽井利电子有限公司 | High sensitivity speaker for improving medium and high frequency |
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