CN214544661U

CN214544661U - Portable musical instrument type sound equipment

Info

Publication number: CN214544661U
Application number: CN202120730886.0U
Authority: CN
Inventors: 陈轶哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-29
Anticipated expiration: 2031-04-09

Abstract

The portable music instrument type sound equipment comprises a back closing plate, wherein the outer edge of the front surface of the back closing plate is provided with a front concave-convex matching part; the rear end face of the middle box body is provided with a rear concave-convex matching part, and the front concave-convex matching part is matched with the rear concave-convex matching part so that the rear closing plate and the middle box body are fixed together; the front concavo-convex matching part and the rear concavo-convex matching part are connected together by glue; a front closing plate for closing a front opening of the middle box; the detachable mechanism is used for fixing the front closing plate and the middle box body together; the loudspeaker is fixed in a cavity formed by the enclosure of the rear enclosing plate, the middle box body and the front enclosing plate; the loudspeaker hole is arranged on the front sealing plate and is communicated with the cavity; and the function button is fixed on the middle box body and/or the rear closing plate and is used for controlling the loudspeaker.

Description

Portable musical instrument type sound equipment

Technical Field

The utility model belongs to the technical field of raise one's voice, especially, relate to a portable musical instrument formula audio equipment.

Background

Speakers are widely used in various places.

The loudspeaker has various shapes, such as a lute shape or a violin.

The box structure of speaker has front and back board and box, because the speaker is wooden material, and the front and back board is fixed through gluing even, and the connection structure intensity of its junction of this kind of fixed mode is lower, and follow-up fracture and drop and so on phenomenon appear easily influences normal use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a portable musical instrument formula stereo set that can solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

this portable musical instrument formula audio unit includes:

the outer edge of the front surface of the rear closing plate is provided with a front concave-convex matching part;

the rear end face of the middle box body is provided with a rear concave-convex matching part, and the front concave-convex matching part is matched with the rear concave-convex matching part so that the rear closing plate and the middle box body are fixed together;

the front concavo-convex matching part and the rear concavo-convex matching part are connected together by glue;

a front closing plate for closing a front opening of the middle box;

the detachable mechanism is used for fixing the front closing plate and the middle box body together;

the loudspeaker is fixed in a cavity formed by the enclosure of the rear enclosing plate, the middle box body and the front enclosing plate;

the loudspeaker hole is arranged on the front sealing plate and is communicated with the cavity;

and the function button is fixed on the middle box body and/or the rear closing plate and is used for controlling the loudspeaker.

In the portable music instrument sound device, the cavity is internally provided with a control circuit board, and the function button and the loudspeaker are respectively connected with the control circuit board.

In the portable music instrument sound device, the cavity is internally provided with a built-in power supply, and the control circuit board is connected with the built-in power supply.

In the portable music instrument sound device, the control circuit board is connected with a mains supply power line with a plug.

In the above portable piano type audio device, the front concave-convex fitting portion includes a plurality of outer protrusions, the rear concave-convex fitting portion includes a plurality of grooves corresponding to the outer protrusions one-to-one, and the outer protrusions are clamped in the grooves.

In the above-mentioned portable music box, the recess is provided with glue, the outer protrusion is in clearance fit with the recess and the gap between the outer protrusion and the recess is filled with glue.

In the portable music instrument type sound device, the detachable mechanism comprises a plurality of locking screws penetrating the outer edge of the front sealing plate, a plurality of threaded holes corresponding to the locking screws one to one are formed in the surface of the front end of the middle box body, and the locking screws are in threaded connection with the threaded holes.

In the portable music instrument, the speaker includes one or a combination of two of a tweeter and a woofer; the sound-emitting holes comprise any one or combination of a high-pitch sound-emitting hole, a sound mixing hole and a low-pitch sound-emitting hole; the function button comprises any one or combination of a plurality of volume switches, a high pitch switch, a power switch and a low pitch switch.

In the portable piano type acoustic device, the lower support frame is connected to the lower part of the front surface of the front sealing plate, the upper support frame with the upper end extending to the upper part of the upper end of the front sealing plate is connected to the upper part of the front surface of the front sealing plate, the upper support frame is positioned above the lower support frame and distributed at intervals, the volume luminous indicating optical fiber crossing the interval is connected between the upper support frame and the lower support frame, and the volume luminous indicating optical fiber is connected with the control circuit board.

In the portable piano type audio device, a microphone jack, a sub-box audio jack and an audio input jack, which are connected to a control circuit board, are connected to the rear closing plate.

Compared with the prior art, the utility model has the advantages of:

utilize unsmooth cooperation fixed together, it has enlarged the connection contact surface between the two to unsmooth cooperation is connected it, and it has improved connection structure intensity between the two to further improve stability in use, secondly, it can realize that directional installation is fixed to utilize unsmooth cooperation, with further improvement packaging efficiency. In addition, the structure may be formed reinforced.

Utilize its structural strength that not only can improve the junction of detachable mechanism, but also can be convenient for the dismouting to utilize subsequent maintenance, and assemble earlier stage.

Drawings

Fig. 1 is a schematic diagram of the front structure of the device provided by the present invention.

Fig. 2 is a schematic diagram of a back structure of the device provided by the present invention.

Fig. 3 is a schematic view of a partial structure of the device provided by the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure, a rear closing plate 1, a front concave-convex matching part 10, a microphone socket 11, an auxiliary box audio socket 12, an audio input socket 13, a middle box body 2, a rear concave-convex matching part 20, a front closing plate 3, a sound raising hole 30, a lower support frame 31, an upper support frame 32, a volume luminous indicating optical fiber 33, a detachable mechanism 4, a locking screw 40, a threaded hole 41, a loudspeaker 5, a function button 6, a control circuit board 7, a mains supply power line 70, a built-in power supply 8 and a cavity a.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the portable piano type acoustic device includes a rear closing plate 1, the rear closing plate 1 is made of a wood material, and a front concavo-convex fitting portion 10 is provided on an outer edge of a front surface of the rear closing plate 1.

The rear end face of the middle box body 2 is provided with a rear concave-convex matching part 20, and the front concave-convex matching part 10 is matched with the rear concave-convex matching part 20 to fix the rear closing plate 1 and the middle box body 2 together. Utilize unsmooth cooperation fixed together, it has enlarged the connection contact surface between the two to unsmooth cooperation is connected it, and it has improved connection structure intensity between the two to further improve stability in use, secondly, it can realize that directional installation is fixed to utilize unsmooth cooperation, with further improvement packaging efficiency. In addition, the structure may be formed reinforced.

The front male and

female mating parts

10 and 20 are joined together by glue. The design of the glue can further improve the connection strength of the connection part, prevent the connection part from falling off and achieve good sealing performance.

The middle box body 2 is also made of wood, so that the cost is low.

And a front closing plate 3 for closing a front opening of the intermediate box 2. The enclosure can protect internal components to prolong the service life of the sound box. Similarly, the front closing plate 3 is also made of wood.

Preferably, the rear closure panel 1 is shaped to resemble the front closure panel 3 to enhance the overall aesthetics.

The outer box of the sound box of the embodiment imitates the appearance structure of a violin so as to meet the requirement of aesthetic property.

And the detachable mechanism 4 is used for fixing the front closing plate 3 and the middle box body 2 together. Specifically, the detachable mechanism 4 of this embodiment includes a plurality of locking screws 40 penetrating the outer edge of the front closing plate 3, and a plurality of threaded holes 41 corresponding to the locking screws one to one are provided on the front end surface of the middle box 2, and the locking screws are in threaded connection with the threaded holes.

Of course, a gasket may be provided on the joint surface between the front closing plate 3 and the intermediate case 2 to improve the sealing performance.

The loudspeaker 5 is fixed in a cavity a formed by the enclosure of the rear enclosing plate 1, the middle box body 2 and the front enclosing plate 3; preferably, the speaker 5 of the present embodiment includes either one of a tweeter and a woofer or a combination of both. A loudspeaker 5 is fixed to the rear closure plate 1.

The speaker hole 30 is arranged on the front closing plate 3 and is communicated with the cavity a; the sound emitting holes 30 include any one or a combination of a high pitch sound emitting hole, a sound mixing hole and a low pitch sound emitting hole.

And a function button 6 fixed on the middle case 2 and/or the rear closure panel 1, and the function button 6 is used for controlling the speaker 5. The function buttons 6 comprise any one or more of a volume switch, a high-pitch switch, a power switch and a low-pitch switch, and the three function buttons 6 at the top of the function buttons are sequentially the volume switch, the high-pitch switch and the low-pitch switch from left to right at the angle shown in the attached drawing 1. The square coil at the upper position of the power supply is taken as a power switch in the angle of the attached figure 2.

A control circuit board 7 is arranged in the cavity a, and the function button 6 and the loudspeaker 5 are respectively connected with the control circuit board 7. Next, a built-in power supply 8 is arranged in the cavity a, the built-in power supply 8 is a rechargeable power supply, for example, a rectangular line at the lower position of fig. 2 represents a charging socket, the control circuit board 7 is connected with the built-in power supply 8, and the control circuit board 7 is fixed on the front closing plate. In addition, the control circuit board 7 is connected to a mains power supply line 70 with a plug. There are two ways of use, in the case of mains supply, the mains supply line 70 can be used to connect with the mains supply, and in the case of no mains supply, the control circuit board can be powered by the electricity of the built-in power supply 8.

The loudspeaker 5, the function button 6, the control circuit board 7 and the built-in power supply 8 are directly purchased and belong to commercial products, and meanwhile, the circuit part also belongs to the existing simple technology, and the corresponding functions can be realized by only electrically connecting the components.

Specifically, the front concave-convex matching part 10 of the present embodiment includes a plurality of outer protrusions, and the rear concave-convex matching part 20 includes a plurality of grooves corresponding to the outer protrusions one-to-one, and the outer protrusions are clamped in the grooves. Glue is arranged in the groove, the outer protrusion is in clearance fit with the groove, and a clearance between the outer protrusion and the groove is filled with the glue.

This male-female fit significantly improves the structural strength of the joint.

And a lower support frame 31 is connected to the lower part of the front surface of the front closing plate 3, an upper support frame 32 with the upper end extending to the upper part of the front closing plate 3 is connected to the upper part of the front surface of the front closing plate 3, the upper support frame 32 is positioned above the lower support frame 31 and distributed at intervals, a volume luminous indicating optical fiber 33 crossing the interval is connected between the upper support frame 32 and the lower support frame 31, and the volume luminous indicating optical fiber 33 is connected with the control circuit board 7.

The volume light-emitting indicating optical fiber 33 belongs to a commercial product, for example, an LED light-emitting optical fiber, and several volume light-emitting indicating optical fibers 33 are designed with different light-emitting colors to improve the visual effect.

Further, function expansion jacks connected to the control circuit board 7, for example, a microphone jack 11, a sub-box audio jack 12, and an audio input jack 13 are connected to the rear closing plate 1.

In this embodiment, the control circuit board powers each speaker after being powered on, the speaker can start playing related music, and the volume light-emitting indication fiber 33 performs real-time conversion according to the volume to improve the visual effect.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Portable piano type audio device, characterized in that, this device includes:

the rear sealing plate (1), the outer edge of the front surface of the rear sealing plate (1) is provided with a front concave-convex matching part (10);

the rear end face of the middle box body (2) is provided with a rear concave-convex matching part (20), the front concave-convex matching part (10) is matched with the rear concave-convex matching part (20), and the rear closing plate (1) is fixed with the middle box body (2);

the front concave-convex matching part (10) and the rear concave-convex matching part (20) are connected together through glue;

a front closing plate (3) for closing the front opening of the intermediate box (2);

the detachable mechanism (4) is used for fixing the front closing plate (3) and the middle box body (2) together;

the loudspeaker (5) is fixed in a cavity (a) formed by the enclosure of the rear enclosing plate (1), the middle box body (2) and the front enclosing plate (3);

the loudspeaker holes (30) are arranged on the front closing plate (3) and are communicated with the cavity (a);

and the function button (6) is fixed on the middle box body (2) and/or the rear closing plate (1), and the function button (6) is used for controlling the loudspeaker (5).

2. A portable piano type acoustic device according to claim 1, wherein a control circuit board (7) is provided in said cavity (a), and said function button (6) and speaker (5) are connected to said control circuit board (7) respectively.

3. A violin-type audio unit according to claim 2, wherein the cavity (a) is provided with a built-in power supply (8), and the control circuit board (7) is connected to the built-in power supply (8).

4. A violin-type audio unit according to claim 2 or 3, wherein the control circuit board (7) is connected to a mains power cord (70) with a plug.

5. A portable piano type acoustic device according to claim 1, wherein said front concavo-convex fitting portion (10) includes a plurality of outer protrusions, and said rear concavo-convex fitting portion (20) includes a plurality of grooves corresponding one-to-one to said outer protrusions, said outer protrusions being caught in the grooves.

6. A portable piano type audio device according to claim 5, wherein a glue is provided in the recess, the male protrusion and the recess are in clearance fit and the gap between the male protrusion and the recess is filled with the glue.

7. A portable piano type acoustic device according to claim 1, wherein the detachable mechanism (4) comprises a plurality of locking screws (40) penetrating the outer edge of the front closing plate (3), a plurality of screw holes (41) corresponding to the locking screws one by one are formed in the front end surface of the middle box body (2), and the locking screws are in threaded connection with the screw holes.

8. A portable piano type acoustic device according to claim 1, wherein said speaker (5) comprises either one of a tweeter and a woofer, or a combination of both; the sound-emitting holes (30) comprise any one or combination of a high-pitch sound-emitting hole, a sound mixing hole and a low-pitch sound-emitting hole; the function button (6) comprises any one or combination of a plurality of volume switches, treble switches, power switches and bass switches.

9. A portable piano type acoustic device according to claim 2, wherein a lower support frame (31) is attached to a lower portion of a front surface of the front closing plate (3), an upper support frame (32) having an upper end extending above the upper end of the front closing plate (3) is attached to an upper portion of the front surface of the front closing plate (3), the upper support frame (32) is located above the lower support frame (31) and spaced apart from the lower support frame (31), a volume lighting indicating optical fiber (33) crossing the space is attached between the upper support frame (32) and the lower support frame (31), and the volume lighting indicating optical fiber (33) is connected to the control circuit board (7).

10. A violin-type audio unit according to claim 2, wherein a function expansion jack connected to the control circuit board (7) is connected to the rear closing plate (1).