CN212115596U

CN212115596U - Sound box

Info

Publication number: CN212115596U
Application number: CN202021217138.4U
Authority: CN
Inventors: 林志源
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-12-08
Anticipated expiration: 2030-06-28

Abstract

The utility model belongs to the technical field of the audio amplifier, concretely relates to sound box that the structure is succinct, tone quality is clear stable. The sound box comprises a box body, wherein the box body is formed by mutually connecting a front plate, a left side plate, a right side plate, a bottom plate, a top plate and a rear plate to form a closed cavity; the front plate is obliquely arranged at the front end of the bottom plate, the left side plate and the right side plate are respectively vertically arranged at two sides of the bottom plate, the rear plate is arranged at the rear end of the bottom plate, and the top plate is connected with the front plate, the left side plate, the right side plate and the rear plate; the middle part of the rear plate transversely protrudes towards the outside of the box body, so that the vertical section of the rear plate forms a shape of' >; the front plate is provided with at least 2 horns and at least 2 inverter tubes. The sound box can realize good bass effect without adopting a high-power loudspeaker and a complex phase reversal tube structure.

Description

Sound box

Technical Field

The utility model belongs to the technical field of the audio amplifier, concretely relates to sound box that the structure is succinct, tone quality is clear stable.

Background

The loudspeaker box is used as a common playing device in daily life, and along with the improvement of the living standard of substances, people have higher and higher requirements on various aspects such as the tone quality and the performance of the loudspeaker box, and especially have higher pursuits on the definition, the fidelity and the like of sound.

At present, the high-fidelity sound box has a complex structure and high cost of electronic elements, so that the integral price of the sound box is higher.

SUMMERY OF THE UTILITY MODEL

Based on the defect and not enough of above-mentioned prior art, the utility model aims to provide a sound box, simple structure to good tone quality has.

The purpose of the utility model is realized through the following technical scheme:

a sound box comprises a box body, wherein the box body is formed by mutually connecting a front plate, a left side plate, a right side plate, a bottom plate, a top plate and a rear plate to form a closed cavity; the front plate is obliquely arranged at the front end of the bottom plate, the left side plate and the right side plate are respectively vertically arranged at two sides of the bottom plate, the rear plate is arranged at the rear end of the bottom plate, and the top plate is connected with the front plate, the left side plate, the right side plate and the rear plate; the middle part of the rear plate transversely protrudes towards the outside of the box body, so that the vertical section of the rear plate forms a shape of' >;

the front plate is provided with at least 2 loudspeakers and at least 2 phase-reversing tubes, the loudspeakers are arranged below the front plate side by side, and the phase-reversing tubes are arranged side by side

And the inverter tube extends from the front plate to the interior of the box body at the position above the horn.

In a first possible implementation manner, at least one side plate reinforcing rib is fixedly arranged on each of the inner side walls of the left side plate and the right side plate.

In combination with the first possible implementation manner, in a second possible implementation manner, the side plate reinforcing ribs are vertically arranged.

In a third possible implementation manner, a plurality of support bars for fixedly supporting the front plate and the rear plate are fixedly arranged between the front plate and the rear plate.

In combination with the third possible implementation manner, in a fourth possible implementation manner, the supporting bars are arranged along the extending direction of the inverter tube.

In combination with any one of the first to fourth possible implementation manners, in a fifth possible implementation manner, the inverter tube is detachably mounted to the front plate.

Specifically, the rear panel is provided with a control panel for providing audio signals and power to the speaker.

The sound box of the utility model constructs a good sound wave reflection space inside the box body by obliquely arranging the front plate and matching with the rear plate protruding outwards, so that the sound emitted by the loudspeaker is directly and quickly conducted out from the phase reversal pipe, and the sound is prevented from forming multiple reflections in the cavity to form interference; by reasonably arranging the side plate reinforcing ribs and the supporting strips, the vibration of each plate is greatly reduced, and the sound is clearer; in addition, through the arrangement of the double horn and the double phase inversion tube, a high-power horn and a complex phase inversion tube structure are not needed, and a good bass effect can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a sound box according to a preferred embodiment of the present invention.

Fig. 2 is a side schematic view of the enclosure shown in fig. 1.

Fig. 3 is a schematic sectional perspective view of a-a in fig. 2 (with the horn and inverter tube hidden to view the internal structure).

Fig. 4 is a top view of the enclosure of fig. 1.

Fig. 5 is a cross-sectional view of B-B in fig. 4.

Description of reference numerals:

100-a box body; 110-a front plate; 111-a loudspeaker; 112-inverter tube; 120-left side panel; 130-right side plate; 140-a base plate; 150-a top plate; 160-back plate; 161-upper back plate; 162-lower back plate; 121-side plate reinforcing ribs; 113-a support bar; 163-control panel.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

The utility model provides a sound box, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the sound box comprises a box body 100, the box body 100 is formed by mutually connecting a front plate 110, a left side plate 120, a right side plate 130, a bottom plate 140, a top plate 150 and a rear plate 160 to form a closed cavity; the front plate 110 is obliquely arranged at the front end of the bottom plate 140, the left side plate 120 and the right side plate 130 are respectively vertically arranged at two sides of the bottom plate 140, the rear plate 160 is arranged at the rear end of the bottom plate 140, and the top plate 150 is connected with the front plate 110, the left side plate 120, the right side plate 130 and the rear plate 160; the middle of the rear plate 160 protrudes laterally toward the outside of the cabinet 100, so that the vertical cross-section of the rear plate 160 forms a ">".

Specifically, the rear plate 160 is composed of an upper rear plate 161 and a lower rear plate 162, the upper end of the upper rear plate 161 is connected to the top plate 150, the lower end of the lower rear plate 161 is connected to the bottom plate 140, and the lower end of the upper rear plate 161 is connected to the upper end of the lower rear plate 162; the junction of the upper rear plate 161 and the lower rear plate 162 protrudes outward. In the present embodiment, the upper rear plate 161 and the lower rear plate 162 are integrally formed. In other embodiments, the upper back plate 161 and the lower back plate 162 may be split and joined together, without departing from the scope of the present disclosure.

The front plate 110 is provided with at least 2 horns 111 and at least 2 inverter tubes 112, the horns 111 are arranged below the front plate 110 side by side, the inverter tubes 112 are arranged above the horns 111 side by side, and the inverter tubes 112 extend from the front plate 110 to the inside of the box 100.

By arranging the front plate 110 obliquely and matching with the rear plate 160 protruding toward the inside, a good sound wave reflection space is constructed inside the box 100, the sound wave emitted by the horn 111 will pass through the shortest and least interfered reasonable path and then be directly and rapidly conducted out from the inverter tube 112 of the oblique front plate 110, so that the sound is prevented from forming multiple reflections in the cavity to form interference, and the front plate 110 inclined upward can make the sound more directly face the ear position of the listener.

By providing the dual horn 111 and the dual inverter tube 112, a good bass effect can be achieved without using the high-power horn 111 and the complex inverter tube 112.

In this embodiment, as shown in fig. 3, at least one side plate reinforcing rib 121 is fixedly disposed on each of the inner side walls of the left side plate 120 and the right side plate 130. Specifically, the side plate reinforcing ribs 121 are vertically arranged.

In this embodiment, as shown in fig. 3, a plurality of supporting bars 113 for fixedly supporting the front plate 110 and the rear plate 160 are fixedly disposed between the front plate 110 and the rear plate 160. Specifically, the supporting bars 113 are disposed along the extending direction of the inverter tube 112.

Specifically, the supporting bars 113 are provided with 3 groups, which are respectively disposed at the inner side of the left side plate 120, the inner side of the right side plate 130, and the middle position of the box body 100.

Through reasonable arrangement of the side plate reinforcing ribs 121 and the supporting bars 113, vibration of each plate is greatly reduced, resonance of the box body 100 is reduced, and sound is clearer.

In this embodiment, the inverter tube 112 is detachably mounted on the front plate 110. Through the detachable installation, the consumer can replace the inverter tube 112 with a proper shape or size according to the pursuit of different playing tone qualities.

Specifically, the inverter tube 112 has a straight cylindrical shape. In order to meet the change of different sound quality, the inverter tube 112 can be replaced by a bent tube, a reducing tube, a horn 111 and the like.

Specifically, the rear plate 160 is mounted with a control board 163 for supplying an audio signal and power to the speaker 111. The control panel 163 includes a power switch, a tone quality equalizer, a volume adjusting knob, and an audio input terminal. The power input end of the control board 163 is connected to an external power supply circuit, and the power output end of the control board 163 is connected to the speaker 111 to supply current to the speaker 111. Since the control board 163 is connected to the external power supply circuit for normal operation, detailed drawings and technical description are not given in this embodiment.

The audio input end is a wired interface or a wireless interface. Specifically, the audio line access port is an audio line access port or a bluetooth receiving port.

According to different requirements, the control panel 163 can also be added with other control functions, which do not violate or exceed the technical scope of the present invention.

In other embodiments, in order to provide a more stable input current for the speaker 111, a reserve power supply is provided inside the box 100, an input end of the reserve power supply is connected to an external power supply circuit, an output end of the reserve power supply is connected to the power input end of the control board 163, and a power output end of the control board 163 is connected to the speaker 111. The reserve power supply can directly output current to the control board 163, receive current of an external circuit for charging while outputting the current, and rapidly supply power when an audio signal is started or changed, thereby avoiding current input delay caused by an overlong external power supply circuit, and avoiding delay of sound change.

Specifically, the reserve power supply is a capacitor or an energy storage battery.

In this embodiment, the reserve power supply is installed inside the box 100, specifically, on the inner surface (not shown) of the bottom plate 140. In other embodiments, the reserve power supply is mounted in other spaces on the inner wall of the box 100.

In order to enhance the aesthetic effect of the external appearance of the sound box, the top plate 150, the left side plate 120, the right side plate 130 or the front plate 110 of the box 100 is provided with an LED lamp.

In order to improve the playing vibration sense effect of the sound box, a vibration sensor may be installed inside the box body 100.

The sound box has the use mode that: communicating the speaker to an external power supply circuit and communicating the audio input of the control board 163 to an external audio signal; and starting a sound box power supply, inputting an audio signal, and starting the sound box to play sound.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations that are equivalent to those of the above-described embodiments may be made without departing from the scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a sound box, includes the box, its characterized in that: the box body is formed into a closed cavity by mutually connecting a front plate, a left side plate, a right side plate, a bottom plate, a top plate and a rear plate; the front plate is obliquely arranged at the front end of the bottom plate, the left side plate and the right side plate are respectively vertically arranged at two sides of the bottom plate, the rear plate is arranged at the rear end of the bottom plate, and the top plate is connected with the front plate, the left side plate, the right side plate and the rear plate; the middle part of the rear plate transversely protrudes towards the outside of the box body, so that the vertical section of the rear plate forms a shape of' >;

at least 2 loudspeaker of front bezel installation and at least 2 inverter tube, loudspeaker set up side by side in the below position of front bezel, inverter tube set up side by side in the top position of loudspeaker, inverter tube by the front bezel is to inside extension of box.

2. The loudspeaker of claim 1, wherein: the inside wall of left side board with the right side board is fixed respectively and is set up an at least curb plate strengthening rib.

3. The loudspeaker of claim 2, wherein: the lateral plate reinforcing ribs are vertically arranged.

4. The loudspeaker of claim 1, wherein: a plurality of supporting strips used for fixedly supporting the front plate and the rear plate are fixedly arranged between the front plate and the rear plate.

5. The loudspeaker of claim 4, wherein: the supporting bars are arranged along the extending direction of the inverter tube.

6. The loudspeaker of claim 1, wherein: the inverter tube is detachably mounted on the front plate.

7. The loudspeaker of claim 1, wherein: the phase inversion tube is in a straight tube shape, a bent tube shape, a reducing tube shape or a horn shape.

8. The loudspeaker of claim 1, wherein: the rear plate is provided with a control panel used for providing audio signals and power supply for the loudspeaker.

9. The loudspeaker of claim 8, wherein: the storage power supply is arranged inside the box body, the input end of the storage power supply is connected with an external power supply circuit, the output end of the storage power supply is connected with the power input end of the control panel, and the power output end of the control panel is connected with the horn.