Sound box with good tone quality effect

Abstract

The utility model discloses a sound box with good sound quality effect, which comprises a shell and a loudspeaker, the shell is provided with a cavity and an air guide channel, the loudspeaker is arranged on the cavity, the air guide channel is communicated with the cavity through an air outlet, the air guide channel penetrates through the shell and is provided with an air inlet, and the air guide channel is of an arc-shaped structure. The air guide channel comprises a first arc-shaped channel, a connecting channel and a second arc-shaped channel which are connected in sequence, the air inlet is formed in the first arc-shaped channel, and the air outlet is formed in the second arc-shaped channel; therefore, through the design of the air guide channel, air sequentially passes through the first arc-shaped channel, the connecting channel, the second arc-shaped channel and the air outlet from the air inlet and enters the cavity, so that the air pressure in the cavity is balanced, the low-frequency penetrating power and the bandwidth of the loudspeaker are improved, the distortion phenomenon during the use of the loudspeaker is avoided, and the service life of the loudspeaker is prolonged. The playing effect of the loudspeaker is ensured, the experience effect of a user is further improved, the usability is good, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the field of sound box technology, in particular to a sound box with good sound quality. Background Art

[0002] At present, a speaker is a transducer device that converts electrical signals into acoustic signals. Audio electrical energy makes the speaker cone or membrane vibrate and resonate or resonate with the surrounding air through electromagnetic, piezoelectric or electrostatic effects to produce sound. With the rapid development of speakers, people's requirements for sound are getting higher and higher. Since the speaker is the weakest device in the world, it is also the most important component for notebooks and tablets.

[0003] Existing speakers usually include a shell and a speaker, and the speaker is arranged on the shell. The speakers are classified into full-range speakers, tweeters, woofers, etc.; however, the existing speaker structure design is poor. Since the internal sound cavity of the speaker shell is closed, the low-frequency penetration of the speaker is relatively weak, the low-frequency bandwidth is small, the low-frequency distortion is large, the sound restoration, clarity and balance are not ideal, which reduces the user experience effect, cannot meet the user's usage needs, has poor usability, and has a small scope of application.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a speaker with good sound quality. The utility model uses air to pass through the first arc channel, the connecting channel, the second arc channel, and the air outlet in sequence from the air inlet into the cavity to achieve a balanced air pressure inside the cavity, thereby improving the low-frequency penetration and bandwidth of the speaker, avoiding distortion when the speaker is used, ensuring the playback effect of the speaker, and further improving the user experience, and has a wide range of applications.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sound box with good sound quality comprises a shell and a speaker arranged on the shell, wherein: a cavity and an air guide channel are arranged in the shell, the speaker is arranged on the cavity, one end of the air guide channel is connected to the cavity through an air outlet, and the other end of the air guide channel passes through the shell and is provided with an air inlet, the air guide channel is an arc-shaped structure, and the air guide channel comprises a first arc-shaped channel, a connecting channel, and a second arc-shaped channel connected in sequence, the air inlet is arranged on the first arc-shaped channel, and the air outlet is arranged on the second arc-shaped channel.

[0008] As a preferred solution, the outer diameter of the first arc-shaped channel is larger than that of the second arc-shaped channel.

[0009] As a preferred solution, air-guiding arc surfaces are provided on the inner walls on both sides of the air inlet.

[0010] As a preferred solution, the speaker includes a bracket and a voice coil, drum paper, elastic wave, T-iron, magnet, and washer arranged on the bracket. The upper end of the shell is provided with a mounting port connected to the cavity, and the bracket is arranged at the mounting port and exposed outside the shell.

[0011] As a preferred embodiment, the upper end of the shell has a positioning boss extending upward, and the positioning boss is located at the periphery of the mounting port. The bracket is provided with a positioning port matching the positioning boss, and the positioning port is adapted to be positioned on the positioning boss to realize the connection positioning of the speaker at the mounting port.

[0012] As a preferred solution, two positioning bosses are provided and are symmetrically arranged on the housing.

[0013] As a preferred solution, a pad is provided between the bracket and the shell.

[0014] As a preferred solution, the pad is an EVA pad.

[0015] As a preferred embodiment, a shock absorbing device is provided on the shell, and the shock absorbing device is respectively arranged at the four corners of the shell, and the shock absorbing device includes an upper plate portion, a lower plate portion and a connecting plate portion connected between the upper plate portion and the lower plate portion, and the connecting plate portion is provided with a through hole which passes through the upper and lower portions, and a connecting ring portion is provided in the through hole, and a plurality of elastic connecting arms are provided between the inner wall of the through hole and the outer wall of the connecting ring portion, and the plurality of elastic connecting arms are arranged in a spaced manner around the inner wall of the through hole, and the connecting ring portion is provided with a connecting hole for a connecting piece to assemble the shell to the product.

[0016] As a preferred solution, the upper end of the upper plate portion and the lower end of the lower plate portion are both provided with a plurality of contact protrusions which are evenly arranged axially around the through hole.

[0017] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it mainly uses the design of the air guide channel to use air to pass through the first arc channel, the connecting channel, the second arc channel, and the air outlet in sequence to enter the cavity, so as to achieve the balance of the air pressure inside the cavity, thereby improving the low-frequency penetration and bandwidth of the speaker, avoiding distortion when the speaker is used, ensuring the playback effect of the speaker, and thus improving the user experience effect. The structural design is ingenious and reasonable, meets the user's use needs, has good usability, and a wide range of applications.

[0018] Secondly, the setting of the air guide arc surface is conducive to guiding the air from the air inlet into the air guide channel, ensuring the stability of the air guide channel. At the same time, the setting of the positioning boss and the positioning port is conducive to improving the assembly efficiency of the speaker on the shell, with simple operation, accurate positioning and convenient assembly. In addition, the setting of the pad is conducive to reducing the vibration generated when the speaker is used and the resonance phenomenon between the shell, ensuring the stability of the speaker and the shell as a whole.

[0019] In addition, the setting of the shock-absorbing device utilizes the connecting holes for connecting the connecting parts to assemble the shell on the product, and cooperates with the elastic connecting arm to buffer and absorb the vibration generated when the speaker is in use, thereby reducing the vibration generated when the speaker is working and transmitting it to the whole machine, so as to mitigate the adverse consequences caused by the vibration. At the same time, the setting of the contact protrusion is conducive to the stable assembly of the whole speaker in the product, avoiding the influence of the speaker on the product when it is subjected to external impact, and ensuring the normal use of the speaker.

[0020] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0022] Figure 2 It is a first cross-sectional view of an embodiment of the utility model;

[0023] Figure 3 It is a second cross-sectional view of an embodiment of the utility model;

[0024] Figure 4 It is a partial schematic diagram of the positioning boss and the positioning opening of the embodiment of the utility model;

[0025] Figure 5 It is a structural schematic diagram of a shock absorbing device according to an embodiment of the utility model;

[0026] Description of the accompanying drawings:

[0027] 10. Shell 11. Cavity

[0028] 12. Air guide channel 121, first arc channel

[0029] 122, connecting channel 123, second arc channel

[0030] 13. Air outlet 14. Air inlet

[0031] 141, air guide arc surface 15, positioning boss

[0032] 16. Shock-absorbing device 161. Upper plate

[0033] 162, lower plate portion 163, through hole

[0034] 164, connecting ring portion 165, elastic connecting arm

[0035] 166, connection hole 167, contact protrusion

[0036] 17. Installation port

[0037] 20. Speaker 21. Bracket

[0038] 211, positioning port 22, voice coil

[0039] 23. Drum paper 24. Spring wave

[0040] 25. T iron 26. Magnet

[0041] 27. Washer 28. Pad. DETAILED DESCRIPTION

[0042] Please refer to Figures 1 to 5 As shown, it shows the specific structure of an embodiment of the utility model.

[0043] A sound box with good sound quality includes a housing 10 and a speaker 20 disposed on the housing 10, wherein:

[0044] The shell 10 is provided with a cavity 11 and an air guide channel 12, the speaker 20 is provided on the cavity 11, one end of the air guide channel 12 is connected to the cavity 11 through an air outlet 13, and the other end of the air guide channel 12 passes through the shell 10 and is provided with an air inlet 14, the air guide channel 12 is an arc-shaped structure, and the air guide channel 12 includes a first arc-shaped channel 121, a connecting channel 122, and a second arc-shaped channel 123 which are sequentially connected from the outside to the inside, the air inlet 14 is provided on the first arc-shaped channel 121, and the air outlet 13 is provided on the second arc-shaped channel 123. On the channel 123; specifically, the outer diameter of the first arc-shaped channel 121 is larger than the second arc-shaped channel 123. In this way, through the design of the air guide channel, air is used to pass through the first arc-shaped channel, the connecting channel, the second arc-shaped channel, and the air outlet from the air inlet in sequence into the cavity to achieve a balanced air pressure inside the cavity, thereby improving the low-frequency penetration and bandwidth of the speaker, avoiding distortion when the speaker is used, ensuring the playback effect of the speaker, and then improving the user's experience effect. The structural design is ingenious and reasonable, meets the user's usage needs, has good usability, and a wide range of applications.

[0045] Preferably, the inner walls on both sides of the air inlet 14 are provided with air guiding arc surfaces 141, which is conducive to guiding the air from the air inlet into the air guiding channel, thereby ensuring the stability of the air guiding channel.

[0046] In addition, the speaker 20 includes a bracket 21 and a voice coil 22, a drum paper 23, a spring 24, a T iron 25, a magnet 26, and a washer 27 disposed on the bracket 21. The upper end of the housing 10 is provided with a mounting opening 17 connected to the cavity. The bracket 21 is disposed at the mounting opening 17 and exposed outside the housing 10.

[0047] Specifically, the upper end of the shell 10 has a positioning boss 15 extending upward, and the positioning boss 15 is located on the periphery of the installation port 17. The bracket 21 is provided with a positioning port 211 matching the positioning boss, and the positioning port 211 is adapted to be positioned on the positioning boss 17 to realize the connection positioning of the speaker 20 at the installation port 17, and a pad 28 is provided between the lower end of the bracket 21 and the upper end of the shell 10. Preferably, two positioning bosses 15 are provided and symmetrically arranged on the shell 10, and the pad 28 is an EVA pad. In this way, the setting of the positioning boss and the positioning port is conducive to improving the assembly efficiency of the speaker on the shell, with simple operation, accurate positioning and convenient assembly. In addition, the setting of the pad is conducive to reducing the vibration generated when the speaker is used and the resonance phenomenon between the shell, thereby ensuring the overall stability of the speaker and the shell.

[0048] In addition, the shell 10 is provided with a shock absorbing device 16, which is respectively arranged at the four corners of the shell 10. The shock absorbing device 16 includes an upper plate portion 161, a lower plate portion 162 and a connecting plate portion (not shown in the figure) connected between the upper plate portion 161 and the lower plate portion 162. The connecting plate portion is provided with a through hole 163 which passes through from top to bottom. A connecting ring portion 164 is provided in the through hole 163. A plurality of elastic connecting arms 165 are provided between the inner wall of the through hole 163 and the outer wall of the connecting ring portion 164. The plurality of elastic connecting arms 165 are arranged in a spaced manner around the inner wall of the through hole 163. The connecting ring portion 164 is provided with a connecting hole 166 for a connecting member to assemble the shell to a product. In this way, the connecting hole is used for the connecting member to connect so as to assemble the shell to a product, and the elastic connecting arm is used to buffer and absorb the vibration generated when the speaker is in use, thereby reducing the vibration generated when the speaker is working and transmitting it to the whole machine, so as to mitigate the adverse consequences caused by the vibration.

[0049] Preferably, the upper end of the upper plate portion 161 and the lower end of the lower plate portion 162 are provided with a plurality of contact protrusions 167 uniformly arranged axially around the through hole. In this way, the provision of the contact protrusions is conducive to the stable assembly of the speaker as a whole in the product, avoids the speaker being affected by external impacts on the product, and ensures the normal use of the speaker.

[0050] The design focus of the utility model is that it mainly uses the design of the air guide channel to use air from the air inlet to pass through the first arc channel, the connecting channel, the second arc channel, and the air outlet in sequence to enter the cavity, so as to achieve the balance of the air pressure inside the cavity, thereby improving the low-frequency penetration and bandwidth of the speaker, avoiding distortion when the speaker is used, ensuring the playback effect of the speaker, and then improving the user experience effect. The structural design is ingenious and reasonable, meets the user's use needs, has good usability, and a wide range of applications;

[0051] Secondly, the setting of the air guide arc surface is conducive to guiding the air from the air inlet into the air guide channel, ensuring the stability of the air guide channel. At the same time, the setting of the positioning boss and the positioning port is conducive to improving the assembly efficiency of the speaker on the shell, with simple operation, accurate positioning and convenient assembly. In addition, the setting of the pad is conducive to reducing the vibration generated when the speaker is used and the resonance phenomenon between the shell, ensuring the stability of the speaker and the shell as a whole.

[0052] In addition, the setting of the shock-absorbing device utilizes the connecting holes for connecting the connecting parts to assemble the shell on the product, and cooperates with the elastic connecting arm to buffer and absorb the vibration generated when the speaker is in use, thereby reducing the vibration generated when the speaker is working and transmitting it to the whole machine, so as to mitigate the adverse consequences caused by the vibration. At the same time, the setting of the contact protrusion is conducive to the stable assembly of the whole speaker in the product, avoiding the influence of the speaker on the product when it is subjected to external impact, and ensuring the normal use of the speaker.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A speaker with good sound quality, characterized by: It includes a shell and a speaker arranged on the shell, wherein: a cavity and an air guide channel are arranged in the shell, the speaker is arranged on the cavity, one end of the air guide channel is connected to the cavity through an air outlet, and the other end of the air guide channel passes through the shell and is provided with an air inlet, the air guide channel has an arc-shaped structure, and the air guide channel includes a first arc-shaped channel, a connecting channel, and a second arc-shaped channel connected in sequence, the air inlet is arranged on the first arc-shaped channel, and the air outlet is arranged on the second arc-shaped channel.

2. A speaker with good sound quality according to claim 1, characterized in that: The outer diameter of the first arc-shaped channel is greater than that of the second arc-shaped channel.

3. A sound box with good sound quality according to claim 1, characterized in that: The inner walls on both sides of the air inlet are provided with air guiding arc surfaces.

4. A sound box with good sound quality according to claim 1, characterized in that: The speaker includes a bracket and a voice coil, drum paper, spring wave, T iron, magnet, and washer arranged on the bracket. The upper end of the shell is provided with a mounting opening connected to the cavity. The bracket is arranged at the mounting opening and exposed outside the shell.

5. A sound box with good sound quality according to claim 4, characterized in that: The upper end of the shell has a positioning boss extending upward, and the positioning boss is located at the periphery of the installation port. The bracket is provided with a positioning port matching the positioning boss, and the positioning port is adapted to be positioned on the positioning boss to realize the connection positioning of the speaker at the installation port.

6. A sound box with good sound quality according to claim 5, characterized in that: Two positioning bosses are provided and are symmetrically arranged on the housing.

7. A sound box with good sound quality according to claim 4, characterized in that: A pad is arranged between the bracket and the shell.

8. A sound box with good sound quality according to claim 7, characterized in that: The pad is an EVA pad.

9. A sound box with good sound quality according to claim 1, characterized in that: A shock absorbing device is arranged on the shell, and the shock absorbing device is respectively arranged at the four corners of the shell. The shock absorbing device includes an upper plate portion, a lower plate portion and a connecting plate portion connected between the upper plate portion and the lower plate portion. A through hole that passes through the upper and lower portions is opened on the connecting plate portion. A connecting ring portion is arranged in the through hole. A plurality of elastic connecting arms are arranged between the inner wall of the through hole and the outer wall of the connecting ring portion. The plurality of elastic connecting arms are arranged in a spaced manner around the inner wall of the through hole. The connecting ring portion is provided with a connecting hole for a connecting piece to assemble the shell to the product.

10. A sound box with good sound quality according to claim 9, characterized in that: The upper end of the upper plate portion and the lower end of the lower plate portion are both provided with a plurality of contact protrusions which are evenly arranged around the axial direction of the through hole.

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