CN219085639U

CN219085639U - Piano loudspeaker

Info

Publication number: CN219085639U
Application number: CN202223367142.0U
Authority: CN
Inventors: 何伟聪
Original assignee: Quanzhou Bolanshi Electronic Technology Co ltd
Current assignee: Quanzhou Bolanshi Electronic Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-26
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a piano sound emitting loudspeaker, which belongs to the technical field of pianos and comprises a reverberation box and a first reflecting plate positioned on the outer side wall of the reverberation box, wherein a second reflecting plate is connected to the outer side wall of the reverberation box, the loudspeaker is connected to the outer side wall of the first reflecting plate, a positioning plate is connected to the outer side wall of the first reflecting plate, a sleeve is connected to the inner side wall of the positioning plate in a threaded manner, a stay bar is connected to one side, far away from the positioning plate, of the sleeve, an annular plate is connected to one end, far away from the sleeve, of the stay bar, a dustproof pad is arranged on one side, far away from the stay bar, of the annular plate, and a non-woven fabric is connected to the outer side wall of the stay bar. This piano loudspeaker that makes sound uses through the cooperation of first reflecting plate and second reflecting plate, to the sound wave reflection processing, uses through locating plate and telescopic cooperation, and the installation of sleeve and vaulting pole of being convenient for uses, and the rethread non-woven fabrics uses with the cooperation of dustproof pad, to the gas filtration processing of contact with loudspeaker to avoid partial dust to flow to the inside of loudspeaker as far as possible, and then increase the life of loudspeaker.

Description

Piano loudspeaker

Technical Field

The utility model belongs to the technical field of pianos, and particularly relates to a piano sounding loudspeaker.

Background

The modern piano has wide range, changeable tone and excellent expressive force, and can be used as an ensemble instrument and an accompaniment instrument, and is one of essential basic instruments in music creation and hearing training.

Existing loudspeaker of making a sound:

the utility model discloses an electric piano with good tone quality for CN209880142U, which relates to the technical field of electronic musical instruments, in particular to an electric piano with good tone quality, comprising a piano body and a first sounding part arranged on the piano body, wherein the first sounding part comprises a loudspeaker and a reverberation box, the reverberation box is provided with a through hole for communicating the inside of the reverberation box and the outside of the reverberation box, and the loudspeaker is arranged in the through hole; the reverberation box comprises a first reflecting plate, a second reflecting plate and a third reflecting plate, sound waves emitted by the loudspeaker are reflected to the second reflecting plate through the first reflecting plate, and sound waves on the second reflecting plate reflect the third reflecting plate. According to the utility model, the reverberation box is arranged in the electric piano, and the sound waves emitted by the loudspeaker are reflected for multiple times by utilizing the first reflecting plate, the second reflecting plate and the third reflecting plate in the reverberation box, so that the reverberation effect is realized through a simple mechanism, the electric piano has good tone quality, and the manufacturing cost of the electric piano is reduced;

however, when the horn is installed and used, the air flowing into contact with the horn is possibly inconvenient to be filtered, so that part of dust can flow into contact with the horn, and the service life of the horn is further shortened;

for this reason, we propose a piano horn to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, air flowing into contact with a loudspeaker is inconvenient to filter, and therefore part of dust can flow into contact with the loudspeaker, and the service life of the loudspeaker is shortened.

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

the utility model provides a piano loudspeaker that makes sound, includes the reverberation case and is located the first reflecting plate of reverberation case lateral wall, the lateral wall of reverberation case is connected with the lateral wall of first reflecting plate, the lateral wall of reverberation case is connected with the second reflecting plate, the top of second reflecting plate is connected with the top of first reflecting plate, the lateral wall of first reflecting plate is connected with loudspeaker, the locating plate is connected to the lateral wall of first reflecting plate, the inside wall threaded connection of locating plate has the sleeve, one side that the locating plate was kept away from to the sleeve is connected with the vaulting pole, the one end that the telescopic annular plate was kept away from to the vaulting pole is connected with the annular plate, the dust pad is installed to one side that the vaulting pole was kept away from to the annular plate, the lateral wall of vaulting pole is connected with the non-woven fabrics.

Preferably, the outer side wall of the reverberation box is connected with a gasket, and the outer side wall of the gasket is connected with an outer frame.

Through setting up gasket and frame, realized initially slowing down the vibrations range of reverberation case.

Preferably, the outer side wall of the outer frame is connected with an ear plate, and the inner side wall of the ear plate is provided with a mounting hole.

Through setting up otic placode and mounting hole, realize being convenient for install the reverberation case in piano sounding department.

Preferably, the inside wall sliding connection of frame has the slide bar, the one end that the slide bar kept away from the frame is connected with the acoustic celotex board, one side that the acoustic celotex board kept away from the slide bar is connected with the lateral wall of reverberation case.

By arranging the sliding bars and the sound insulation plates, the vibration amplitude of the reverberation box is further reduced.

Preferably, the spring is installed to the inside wall of frame, the one end that the frame was kept away from to the spring is connected with the one end that the slide bar is close to the frame.

Through setting up the spring, realized the buffering support to the slide bar.

Preferably, the inner side wall of the outer frame is provided with a sliding groove, and the inner side wall of the sliding groove is attached to the outer side wall of the sliding rod.

Through setting up the spout, realized being convenient for slide bar slip regulation.

In summary, the technical effects and advantages of the present utility model are: this piano loudspeaker that makes sound uses through the cooperation of first reflecting plate and second reflecting plate, to the sound wave reflection processing, uses through locating plate and telescopic cooperation, and the installation of sleeve and vaulting pole of being convenient for uses, and the rethread non-woven fabrics uses with the cooperation of dustproof pad, to the gas filtration processing of contact with loudspeaker to avoid partial dust to flow to the inside of loudspeaker as far as possible, and then increase the life of loudspeaker.

Through the effect of gasket, the vibrations range of reverberation case is initially slowed down, and rethread slide bar, acoustic celotex board and spring's cooperation is used, further slows down the vibrations range of reverberation case to reduce the production of noise.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a first reflector structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the nonwoven fabric of the present utility model;

fig. 4 is a schematic view of a sound insulation board structure of the present utility model.

In the figure: 1. a reverberation box; 2. a first reflection plate; 3. a second reflection plate; 4. a horn; 5. a positioning plate; 6. a sleeve; 7. a brace rod; 8. an annular plate; 9. a nonwoven fabric; 10. a dust-proof pad; 11. a gasket; 12. an outer frame; 13. ear plates; 14. a mounting hole; 15. a slide bar; 16. a sound insulation board; 17. a spring; 18. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a piano loudspeaker comprises a reverberation box 1 and a first reflecting plate 2 positioned on the outer side wall of the reverberation box 1, wherein the outer side wall of the reverberation box 1 is connected with the outer side wall of the first reflecting plate 2, the outer side wall of the reverberation box 1 is connected with a second reflecting plate 3, the first reflecting plate 2 and the second reflecting plate 3 are symmetrically distributed by taking the central axis of the reverberation box 1 as the center, the top of the second reflecting plate 3 is connected with the top of the first reflecting plate 2, the outer side wall of the first reflecting plate 2 is connected with loudspeakers 4, the loudspeakers 4 are provided with two loudspeakers 4 which are symmetrically distributed by taking the central axis of the first reflecting plate 2 as the center, the outer side wall of the first reflecting plate 2 is connected with a positioning plate 5, the inner side wall of the positioning plate 5 is in threaded connection with a sleeve 6, the outer side wall of the sleeve 6 is matched with the inner side wall of the positioning plate 5, the number of the positioning plate 5 is equal to the sleeve 6, one side of the sleeve 6 far from the positioning plate 5 is connected with a supporting rod 7, the supporting rod 7 is provided with two groups, each supporting rod 7 is circumferentially distributed on the outer side of each supporting rod 6, the supporting rod 7 is positioned on the outer side of each sleeve 6, the supporting rod 7 is connected with a supporting rod 8 far from the supporting rod 7, one side 9 of the non-woven fabric is connected with a supporting rod 9, which is arranged on the outer side 9 far from the supporting rod 7, and is connected with a non-woven fabric pad 9, and the non-woven fabric is wrapped by the supporting rod 9;

after the reverberation box 1 is installed at the piano sounding department, the acoustic wave reflection processing of first reflecting plate 2 and second reflecting plate 3 to the transmission, sleeve 6 rotary motion is to being connected with locating plate 5, and nonwoven fabric 9 winding parcel is in the outside of vaulting pole 7, and the sound wave of reflection is discharged through loudspeaker 4, and nonwoven fabric 9 and dustproof pad 10 are to flowing to the gas filtration processing of contact with loudspeaker 4, avoid partial dust to flow to the inside of loudspeaker 4 as far as possible to increase loudspeaker 4's life.

Referring to fig. 1, a spacer 11 is connected to an outer sidewall of a reverberation box 1, the spacer 11 is mainly made of rubber material, and has a certain elasticity, an outer frame 12 is connected to the outer sidewall of the spacer 11, the spacer 11 is located between the outer frame 12 and the reverberation box 1, and the spacer 11 primarily slows down the vibration frequency of the reverberation box 1.

Referring to fig. 1, the outer side wall of the outer frame 12 is connected with ear plates 13, the ear plates 13 are provided with four, four ear plates 13 are located at four corners of the outer side wall of the outer frame 12, mounting holes 14 are formed in the inner side walls of the ear plates 13, and the ear plates 13 and the mounting holes 14 facilitate mounting the reverberation box 1 at the piano sounding site.

Referring to fig. 1 and 4, the inner side wall of the outer frame 12 is slidably connected with two groups of sliding rods 15, the sliding rods 15 are symmetrically distributed by taking the central axis of the outer frame 12 as the center, one end of the sliding rod 15 away from the outer frame 12 is connected with a sound insulation plate 16, one side of the sound insulation plate 16 away from the sliding rod 15 is connected with the outer side wall of the reverberation box 1, and the sliding rods 15 and the sound insulation plate 16 further slow down the vibration frequency of the reverberation box 1.

Referring to fig. 1 and 4, a spring 17 is mounted on the inner side wall of the outer frame 12, the spring 17 is located between the slide bar 15 and the outer frame 12, the number of the spring 17 is equal to that of the slide bars 15, one end of the spring 17 away from the outer frame 12 is connected with one end of the slide bar 15 close to the outer frame 12, and the spring 17 buffers and supports the slide bar 15.

Referring to fig. 4, the inner side wall of the outer frame 12 is provided with sliding grooves 18, the number of the sliding grooves 18 is equal to that of the springs 17, the inner side wall of the sliding grooves 18 is attached to the outer side wall of the sliding rod 15, and the sliding grooves 18 facilitate the sliding rod 15 to float up and down.

Working principle: firstly, the reverberation box 1 and the sound insulation plate 16 are installed together, then the reverberation box 1 is installed at the piano sounding part through the ear plate 13 and the installation hole 14, sound generated by a piano is transmitted to the interior of the reverberation box 1, the first reflection plate 2 and the second reflection plate 3 are subjected to sound wave reflection treatment, then the sound is transmitted out through the loudspeaker 4, the non-woven fabric 9 surrounds the outer sides of the supporting rods 7, the non-woven fabric 9 wraps the supporting rods 7, the sleeve 6 is rotationally moved towards the direction close to the positioning plate 5, the sleeve 6 is enabled to be connected with the positioning plate 5, the non-woven fabric 9 and the dustproof pad 10 are subjected to air filtration treatment for flowing to contact with the loudspeaker 4, and therefore partial dust is prevented from flowing into the loudspeaker 4 as much as possible, and the service life of the loudspeaker 4 is prolonged.

When the sound wave is transmitted to the interior of the reverberation box 1, the gasket 11 is positioned between the reverberation box 1 and the outer frame 12 to slow down the vibration of the reverberation box 1, meanwhile, the sound insulation plate 16 drives the sliding rod 15 to float up and down, and the spring 17 buffers and supports the sliding rod 15, so that the vibration amplitude of the reverberation box 1 is further slowed down, and noise is further reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a piano loudspeaker that makes sound, includes reverberation case (1) and is located first reflecting plate (2) of reverberation case (1) lateral wall, its characterized in that, the lateral wall of reverberation case (1) is connected with the lateral wall of first reflecting plate (2), the lateral wall of reverberation case (1) is connected with second reflecting plate (3), the top of second reflecting plate (3) is connected with the top of first reflecting plate (2), the lateral wall of first reflecting plate (2) is connected with loudspeaker (4), locating plate (5) are connected to the lateral wall of first reflecting plate (2), the inside wall threaded connection of locating plate (5) has sleeve (6), one side that locating plate (5) was kept away from to sleeve (6) is connected with vaulting pole (7), one end that sleeve (6) were kept away from to vaulting pole (7) is connected with annular slab (8), one side that keeps away from vaulting pole (7) is installed dustproof pad (10), the lateral wall that vaulting pole (7) is connected with non-woven fabrics (9).

2. The piano loudspeaker according to claim 1, characterized in that the outer side wall of the reverberation box (1) is connected with a gasket (11), and the outer side wall of the gasket (11) is connected with an outer frame (12).

3. A piano loudspeaker according to claim 2, characterized in that the outer side wall of the outer frame (12) is connected with an ear plate (13), and the inner side wall of the ear plate (13) is provided with a mounting hole (14).

4. The piano loudspeaker according to claim 2, characterized in that the inner side wall of the outer frame (12) is slidably connected with a sliding rod (15), one end of the sliding rod (15) far away from the outer frame (12) is connected with a sound insulation plate (16), and one side of the sound insulation plate (16) far away from the sliding rod (15) is connected with the outer side wall of the reverberation box (1).

5. The piano loudspeaker of claim 4, wherein the inner side wall of the outer frame (12) is provided with a spring (17), and one end of the spring (17) far away from the outer frame (12) is connected with one end of the slide bar (15) close to the outer frame (12).

6. The piano loudspeaker of claim 4, wherein the inner side wall of the outer frame (12) is provided with a chute (18), and the inner side wall of the chute (18) is attached to the outer side wall of the slide bar (15).